CN107492718B - Double-antenna structure applied to terminal, terminal shell and terminal - Google Patents
Double-antenna structure applied to terminal, terminal shell and terminal Download PDFInfo
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- CN107492718B CN107492718B CN201710620480.5A CN201710620480A CN107492718B CN 107492718 B CN107492718 B CN 107492718B CN 201710620480 A CN201710620480 A CN 201710620480A CN 107492718 B CN107492718 B CN 107492718B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
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Abstract
The present disclosure relates to a dual antenna structure applied to a terminal, a terminal housing and a terminal, wherein the structure includes: the antenna comprises a terminal metal frame, a first main antenna and a second main antenna, wherein the first frame of the terminal metal frame comprises a first metal edge, a metal connecting part and a second metal edge which are sequentially arranged; a first broken seam is arranged between the first metal edge and the metal connecting part, and a second broken seam is arranged between the second metal edge and the metal connecting part; the length of the metal connecting part is smaller than that of the first metal edge and smaller than that of the second metal edge; the first main antenna includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge, and a first feed point is arranged on the first antenna part; the first antenna part and the second antenna part are arranged in a coupling mode; the second main antenna is connected with the second metal edge, and a second feed point is arranged on the second main antenna. The length of the antenna structure is prolonged, the performance of the double-antenna structure of the terminal is improved, and signals of different frequency bands are received and sent.
Description
Technical Field
The present disclosure relates to the field of terminal technologies, and in particular, to a dual antenna structure applied to a terminal, a terminal housing, and a terminal.
Background
With the development of terminal technology, the demands of users on communication rate and communication quality are higher and higher, and therefore, more and more new communication technologies are generated to meet the higher communication requirements of users.
In the related art, an antenna is arranged in a terminal, and a dual-antenna structure can be arranged on the terminal; the terminal is provided with a first main antenna and a second main antenna, two side edges of a metal frame of the terminal are respectively provided with a broken seam, and the first main antenna and the second main antenna are respectively connected with the metal frame of the terminal, so that the first main antenna and the second main antenna respectively form an antenna structure with the metal frame, and further signals with different frequencies are received and sent.
However, in the related art, after the first main antenna and the second main antenna are respectively connected to the metal frame of the terminal, since the gap is formed at the side of the metal frame of the terminal, the length of the antenna usable by the antenna structure formed by the first main antenna and the metal frame is short, and meanwhile, the length of the antenna usable by the antenna structure formed by the second main antenna and the metal frame is short, so that the performance of the dual-antenna structure of the terminal is affected, and the communication quality of the terminal is reduced.
Disclosure of Invention
In order to overcome the problems of low performance of a dual-antenna structure of a terminal and low communication quality of the terminal in the related art, the disclosure provides the dual-antenna structure applied to the terminal, a terminal shell and the terminal.
According to a first aspect of the embodiments of the present disclosure, there is provided a dual antenna structure applied to a terminal, including:
the antenna comprises a terminal metal frame, a first main antenna and a second main antenna;
the terminal metal frame comprises a first frame, and the first frame comprises a first metal edge, a metal connecting part and a second metal edge which are sequentially arranged; a first broken joint is arranged between the first metal edge and the metal connecting part, and a second broken joint is arranged between the second metal edge and the metal connecting part;
the length of the metal connecting part is smaller than that of the first metal edge, and the length of the metal connecting part is smaller than that of the second metal edge;
the first main antenna and the second main antenna are arranged in the terminal metal frame;
the first main antenna comprises a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge, and a first feed point is arranged on the first antenna part; the first antenna part is positioned between the first frame and the second antenna part, and the first antenna part and the second antenna part are arranged in a coupling mode;
the second main antenna is connected with the second metal edge, and a second feed point is arranged on the second main antenna.
Furthermore, the terminal metal frame further comprises a second frame connected with the first metal edge and vertically arranged, and a third frame connected with the second metal edge and vertically arranged;
the first main antenna is positioned between the first broken joint and the second frame;
the second main antenna is located between the second broken seam and the third frame.
Further, the first antenna part comprises a first branch section, the first branch section is parallel to the first frame, and a first setting distance is formed between the first branch section and the first frame;
a second branch section extends vertically from one end of the first branch section adjacent to the second frame, and is connected with the first metal edge; a boss extends from the other end of the first branch section, and the first branch section is located between the first frame and the boss;
the first feed point is located on the first leg.
Further, the second antenna portion comprises a third branch section, the third branch section is parallel to the first frame, and a second setting distance is formed between the third branch section and the first branch section;
a fourth branch section vertically extends from one end of the third branch section adjacent to the second frame, a fifth branch section horizontally extends from the tail end of the fourth branch section, and the third branch section is positioned between the first branch section and the fifth branch section; a sixth branch section vertically extends from the other end of the third branch section, and a metal sheet is arranged on the sixth branch section;
the first branch node is provided with a concave part matched with the metal sheet, the first feed point is positioned on the first branch node and adjacent to the concave part, and the first feed point is positioned between the second branch node and the sixth branch node.
Further, the first main antenna further includes a third antenna portion;
the third antenna part is located between the first antenna part and the first broken seam, and the third antenna part is connected with one end, adjacent to the first broken seam, of the first metal edge.
Furthermore, the third antenna part comprises a seventh branch section, the seventh branch section is parallel to the second frame, the seventh branch section is located between the protruding part and the first broken seam, and a third setting distance is formed between the seventh branch section and the protruding part;
an eighth branch node extends horizontally from one end of the seventh branch node adjacent to the first broken joint, a ninth branch node extends vertically from the tail end of the eighth branch node, the ninth branch node is connected with one end of the first metal edge adjacent to the first broken joint, and the eighth branch node is located between the second branch node and the seventh branch node;
a tenth branch section extends horizontally from the other end of the seventh branch section, and the tenth branch section is located between the second antenna portion and the seventh branch section.
Further, the length of the eighth tributary node is smaller than the length of the tenth tributary node.
Further, the second main antenna comprises an eleventh stub and a twelfth stub which are connected with each other;
the eleventh branch section is parallel to the second metal edge, and the second feed point is arranged on the eleventh branch section;
the twelfth branch section is perpendicular to the eleventh branch section, and the twelfth branch section is connected with one end, adjacent to the second broken seam, of the second metal edge.
Further, a fourth setting distance is arranged between the eleventh branch node and the second metal edge.
Further, a first spacing distance is arranged between the first main antenna and the second frame, and a second spacing distance is arranged between the second main antenna and the third frame;
the first separation distance is less than the second separation distance.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the terminal comprises a terminal metal frame, a first main antenna and a second main antenna, wherein the terminal metal frame comprises a first frame, and the first frame comprises a first metal edge, a metal connecting part for setting a USB (universal serial bus) and a second metal edge which are sequentially arranged; a first broken seam is arranged between the first metal edge and the metal connecting part, and a second broken seam is arranged between the second metal edge and the metal connecting part; the length of the metal connecting part is smaller than that of the first metal edge, and the length of the metal connecting part is smaller than that of the second metal edge; the first main antenna and the second main antenna are arranged in the terminal metal frame; the first main antenna includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge, and a first feed point is arranged on the first antenna part; the first antenna part is positioned between the first frame and the second antenna part and is arranged in a coupling mode; the second main antenna is connected with the second metal edge, and a second feed point is arranged on the second main antenna. Therefore, a first broken seam and a second broken seam are formed in the first frame and are respectively positioned on two sides of the metal connecting part of the first frame, and the first frame comprises a first metal edge, the metal connecting part and a second metal edge which are sequentially arranged; the first main antenna is connected with the first metal edge, the second main antenna is connected with the metal connecting portion, wherein the length of the first metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the first main antenna and the first metal edge can be prolonged, and meanwhile, the length of the second metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the second main antenna and the second metal edge can be prolonged, the performance of the double-antenna structure of the terminal can be improved, and the communication quality of the terminal can be improved. In addition, the first antenna part and the first metal edge form an IFA antenna structure, so that the first antenna part and the first metal edge form a structure for receiving and transmitting signals of a first frequency band; the first antenna part and the second antenna part are arranged in a coupling mode, the second antenna part forms a parasitic coupling branch structure, and the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge; connecting a second main antenna with a second metal edge, wherein the second main antenna and the second metal edge also form an IFA antenna structure, so that the second main antenna and the second metal edge form a structure for receiving and transmitting signals of a third frequency band; the frequency of the third frequency band is greater than that of the second frequency band, and the frequency of the second frequency band is greater than that of the first frequency band; furthermore, the dual-antenna structure provided by the application can receive and send signals of different frequency bands, covers the conditions of low frequency, medium frequency and high frequency, and can realize the function of integrating wireless channels across frequency bands, namely, the carrier aggregation performance is realized.
According to a second aspect of the embodiments of the present disclosure, there is provided a terminal housing provided with the dual antenna structure applied to a terminal as described in any one of the above.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the terminal comprises a terminal metal frame, a first main antenna and a second main antenna, wherein the terminal metal frame comprises a first frame, and the first frame comprises a first metal edge, a metal connecting part for setting a USB (universal serial bus) and a second metal edge which are sequentially arranged; a first broken seam is arranged between the first metal edge and the metal connecting part, and a second broken seam is arranged between the second metal edge and the metal connecting part; the length of the metal connecting part is smaller than that of the first metal edge, and the length of the metal connecting part is smaller than that of the second metal edge; the first main antenna and the second main antenna are arranged in the terminal metal frame; the first main antenna includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge, and a first feed point is arranged on the first antenna part; the first antenna part is positioned between the first frame and the second antenna part and is arranged in a coupling mode; the second main antenna is connected with the second metal edge, and a second feed point is arranged on the second main antenna. Therefore, a first broken seam and a second broken seam are formed in the first frame and are respectively positioned on two sides of the metal connecting part of the first frame, and the first frame comprises a first metal edge, the metal connecting part and a second metal edge which are sequentially arranged; the first main antenna is connected with the first metal edge, the second main antenna is connected with the metal connecting portion, wherein the length of the first metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the first main antenna and the first metal edge can be prolonged, and meanwhile, the length of the second metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the second main antenna and the second metal edge can be prolonged, the performance of the double-antenna structure of the terminal can be improved, and the communication quality of the terminal can be improved. In addition, the first antenna part and the first metal edge form an IFA antenna structure, so that the first antenna part and the first metal edge form a structure for receiving and transmitting signals of a first frequency band; the first antenna part and the second antenna part are arranged in a coupling mode, the second antenna part forms a parasitic coupling branch structure, and the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge; connecting a second main antenna with a second metal edge, wherein the second main antenna and the second metal edge also form an IFA antenna structure, so that the second main antenna and the second metal edge form a structure for receiving and transmitting signals of a third frequency band; the frequency of the third frequency band is greater than that of the second frequency band, and the frequency of the second frequency band is greater than that of the first frequency band; furthermore, the dual-antenna structure provided by the application can receive and send signals of different frequency bands, covers the conditions of low frequency, medium frequency and high frequency, and can realize the function of integrating wireless channels across frequency bands, namely, the carrier aggregation performance is realized.
According to a third aspect of the embodiments of the present disclosure, there is provided a terminal provided with the terminal housing as described above.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the terminal comprises a terminal metal frame, a first main antenna and a second main antenna, wherein the terminal metal frame comprises a first frame, and the first frame comprises a first metal edge, a metal connecting part for setting a USB (universal serial bus) and a second metal edge which are sequentially arranged; a first broken seam is arranged between the first metal edge and the metal connecting part, and a second broken seam is arranged between the second metal edge and the metal connecting part; the length of the metal connecting part is smaller than that of the first metal edge, and the length of the metal connecting part is smaller than that of the second metal edge; the first main antenna and the second main antenna are arranged in the terminal metal frame; the first main antenna includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge, and a first feed point is arranged on the first antenna part; the first antenna part is positioned between the first frame and the second antenna part and is arranged in a coupling mode; the second main antenna is connected with the second metal edge, and a second feed point is arranged on the second main antenna. Therefore, a first broken seam and a second broken seam are formed in the first frame and are respectively positioned on two sides of the metal connecting part of the first frame, and the first frame comprises a first metal edge, the metal connecting part and a second metal edge which are sequentially arranged; the first main antenna is connected with the first metal edge, the second main antenna is connected with the metal connecting portion, wherein the length of the first metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the first main antenna and the first metal edge can be prolonged, and meanwhile, the length of the second metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the second main antenna and the second metal edge can be prolonged, the performance of the double-antenna structure of the terminal can be improved, and the communication quality of the terminal can be improved. In addition, the first antenna part and the first metal edge form an IFA antenna structure, so that the first antenna part and the first metal edge form a structure for receiving and transmitting signals of a first frequency band; the first antenna part and the second antenna part are arranged in a coupling mode, the second antenna part forms a parasitic coupling branch structure, and the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge; connecting a second main antenna with a second metal edge, wherein the second main antenna and the second metal edge also form an IFA antenna structure, so that the second main antenna and the second metal edge form a structure for receiving and transmitting signals of a third frequency band; the frequency of the third frequency band is greater than that of the second frequency band, and the frequency of the second frequency band is greater than that of the first frequency band; furthermore, the dual-antenna structure provided by the application can receive and send signals of different frequency bands, covers the conditions of low frequency, medium frequency and high frequency, and can realize the function of integrating wireless channels across frequency bands, namely, the carrier aggregation performance is realized.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a first embodiment of a dual antenna structure applied to a terminal according to an exemplary embodiment;
fig. 2 is a schematic structural diagram of a second embodiment of a dual-antenna structure applied to a terminal according to an exemplary embodiment;
fig. 3 is a schematic cross-sectional view of a third embodiment of a terminal housing according to an exemplary embodiment.
Reference numerals:
| 1-terminal metal frame | 2-first main antenna | 3-second main antenna |
| 4-first frame | 5-first metal edge | 6-metal connection |
| 7-second metal edge | 8-first break | 9-second break |
| 10-first feed point | 11-second feed point | 12-second frame |
| 13-third frame | 14-fourth frame | 15-USB |
| 16-first section | 17-second Branch node | 18-lobe |
| 19-third Branch node | 20-fourth branch node | 21-fifth tributary node |
| 22-sixth Branch node | 23-metal sheet | 24-third antenna section |
| 25-seventh Branch node | 26-eighth Branch knot | 27-ninth tributary node |
| 28-tenth subsection | 29-eleventh Branch node | 30-twelfth Branch knot |
| 31-terminal housing |
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a schematic structural diagram of a first embodiment of a dual-antenna structure applied to a terminal according to an exemplary embodiment, where the dual-antenna structure applied to the terminal, as shown in fig. 1, includes:
a terminal metal frame 1, a first main antenna 2 and a second main antenna 3;
the terminal metal frame 1 comprises a first frame 4, wherein the first frame 4 comprises a first metal edge 5, a metal connecting part 6 for arranging a Universal Serial Bus (USB) 15 and a second metal edge 7 which are sequentially arranged; a first broken seam 8 is arranged between the first metal edge 5 and the metal connecting part 6, and a second broken seam 9 is arranged between the second metal edge 7 and the metal connecting part 6;
the length of the metal connecting part 6 is less than that of the first metal edge 5, and the length of the metal connecting part 6 is less than that of the second metal edge 7;
the first main antenna 2 and the second main antenna 3 are arranged in the terminal metal frame 1;
the first main antenna 2 includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge 5, and a first feed point 10 is arranged on the first antenna part; the first antenna part is positioned between the first frame 4 and the second antenna part, and the first antenna part and the second antenna part are arranged in a coupling mode;
the second main antenna 3 is connected with the second metal edge 7, and a second feed point 11 is arranged on the second main antenna 3.
In this embodiment, the dual-antenna structure applied to the terminal provided by this embodiment includes a terminal metal frame 1, a first main antenna 2, and a second main antenna 3; the terminal metal frame 1 is a metal frame of the terminal itself, and generally has a quadrilateral structure. The terminal metal frame 1 comprises a first frame 4 and a fourth frame 14 which are oppositely arranged, and a second frame 12 and a third frame 13 which are oppositely arranged; the first frame 4 is parallel to the fourth frame 14, the second frame 12 is parallel to the third frame 13, two ends of the second frame 12 are respectively connected to one end of the first frame 4 and one end of the fourth frame 14, and two ends of the third frame 13 are respectively connected to the other end of the first frame 4 and the other end of the fourth frame 14. For example, from the perspective of the user viewing the terminal, the lower frame of the terminal is the first frame 4, the upper frame of the terminal is the fourth frame 14, the left frame of the terminal is the third frame 13, and the right frame of the terminal is the second frame 12.
The first frame 4 comprises a first metal edge 5, a metal connecting part 6 and a second metal edge 7 which are arranged in sequence; wherein, the metal connecting part 6 is used for setting the USB15 of the terminal; the first frame 4 is provided with a first broken seam 8 and a second broken seam 9, the first broken seam 8 is positioned between the first metal edge 5 and the metal connecting part 6, and the second broken seam 9 is positioned between the second metal edge 7 and the metal connecting part 6. Meanwhile, the length of the metal connecting part 6 is smaller than that of the first metal edge 5, and the length of the metal connecting part 6 is smaller than that of the second metal edge 7. Both the first main antenna 2 and the second main antenna 3 are arranged inside the terminal metal frame 1, i.e. the first main antenna 2 and the second main antenna 3 are located inside the terminal.
The first main antenna 2 is constituted by a first antenna portion and a second antenna portion. The first antenna part is connected with the first metal edge 5, and the first antenna part and the first metal edge 5 form an Inverted-F (IFA) antenna structure; meanwhile, the first antenna part is provided with the first feed point 10, the first feed point 10 can be arranged on the first antenna part in a spring structure mode, the impedance of the current IFA antenna structure can be influenced by the position of the first feed point 10, and then the frequency band of the current IFA antenna structure is influenced by the first feed point 10. The first antenna part is positioned between the first frame 4 and the second antenna part, the first antenna part and the second antenna part are arranged in a coupling mode, and the second antenna part forms a parasitic coupling branch structure; the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge 5, wherein the frequency of the second frequency band is greater than that of the first frequency band, the signals of the second frequency band are intermediate frequency signals, and the frequency of the second frequency band is generally 1710MHz-2170 MHz.
The second main antenna 3 is connected with the second metal edge 7, and then the second main antenna 3 and the second metal edge 7 form an IFA antenna structure together; meanwhile, a second feed point 11 is arranged on the second main antenna 3, the second feed point 11 can be arranged on the second main antenna 3 in a spring structure manner, the position of the second feed point 11 can affect the impedance of the current IFA antenna structure, and then the second feed point 11 affects the frequency band of the current IFA antenna structure, in this application, the second feed point 11 is arranged on the second main antenna 3, and then the IFA antenna structure formed by the second main antenna 3 and the second metal edge 7 in this application can receive and send signals of a third frequency band, the frequency of the third frequency band is greater than that of the second frequency band, wherein the signals of the third frequency band are high-frequency signals, and the frequency of the third frequency band is generally 2300MHz-2700 MHz.
The present embodiment provides a dual antenna structure applied to a terminal, which is composed of a terminal metal frame 1, a first main antenna 2 and a second main antenna 3, wherein the terminal metal frame 1 includes a first frame 4, and the first frame 4 includes a first metal edge 5, a metal connecting portion 6 for setting USB15, and a second metal edge 7, which are sequentially arranged; a first broken seam 8 is arranged between the first metal edge 5 and the metal connecting part 6, and a second broken seam 9 is arranged between the second metal edge 7 and the metal connecting part 6; the length of the metal connecting part 6 is less than that of the first metal edge 5, and the length of the metal connecting part 6 is less than that of the second metal edge 7; the first main antenna 2 and the second main antenna 3 are arranged in the terminal metal frame 1; the first main antenna 2 includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge 5, and a first feed point 10 is arranged on the first antenna part; the first antenna part is positioned between the first frame 4 and the second antenna part, and the first antenna part and the second antenna part are arranged in a coupling mode; the second main antenna 3 is connected with the second metal edge 7, and a second feed point 11 is arranged on the second main antenna 3. Therefore, a first broken seam 8 and a second broken seam 9 are formed in the first frame 4, and the first broken seam 8 and the second broken seam 9 are respectively positioned on two sides of the metal connecting part 6 of the first frame 4, wherein the first frame 4 comprises a first metal edge 5, the metal connecting part 6 and a second metal edge 7 which are sequentially arranged; connect first main antenna 2 with first metal limit 5, second main antenna 3 is connected with metal connecting portion 6, wherein, because the length of first metal limit 5 is greater than metal connecting portion 6's length, thereby can prolong the length of the antenna structure that first main antenna 2 and first metal limit 5 constitute, simultaneously, because the length of second metal limit 7 is greater than metal connecting portion 6's length, thereby can prolong the length of the antenna structure that second main antenna 3 and second metal limit 7 constitute, and then can improve the performance of the double antenna structure at terminal, can improve the communication quality at terminal. Moreover, the first antenna part and the first metal edge 5 form an IFA antenna structure, so that the first antenna part and the first metal edge 5 form a structure for receiving and transmitting signals of the first frequency band; the first antenna part and the second antenna part are arranged in a coupling mode, the second antenna part forms a parasitic coupling branch structure, and the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge 5; connecting the second main antenna 3 with the second metal edge 7, wherein the second main antenna 3 and the second metal edge 7 also form an IFA antenna structure, so that the second main antenna 3 and the second metal edge 7 form a structure for receiving and transmitting signals of a third frequency band; the frequency of the third frequency band is greater than that of the second frequency band, and the frequency of the second frequency band is greater than that of the first frequency band; furthermore, the dual-antenna structure provided by the application can receive and send signals of different frequency bands, covers the conditions of low frequency, medium frequency and high frequency, and can realize the function of integrating wireless channels across frequency bands, namely, the carrier aggregation performance is realized.
On the basis of the first embodiment, fig. 2 is a schematic structural diagram of a second embodiment of a dual antenna structure applied to a terminal according to an exemplary embodiment, as shown in fig. 2, in the dual antenna structure applied to the terminal, the terminal metal frame 1 further includes a second frame 12 connected to the first metal edge 5 and vertically disposed, and a third frame 13 connected to the second metal edge 7 and vertically disposed;
the first main antenna 2 is positioned between the first broken seam 8 and the second frame 12; the second main antenna 3 is located between the second break 9 and the third frame 13.
The first antenna part comprises a first support section 16, the first support section 16 is parallel to the first frame 4, and a first setting distance is reserved between the first support section 16 and the first frame 4; a second branch section 17 extends vertically from one end of the first branch section 16 adjacent to the second frame 12, and the second branch section 17 is connected with the first metal edge 5; a boss 18 extends from the other end of the first section 16, and the first section 16 is located between the first frame 4 and the boss 18; the first feed point 10 is located on the first leg 16.
The second antenna part comprises a third branch section 19, the third branch section 19 is parallel to the first frame 4, and a second setting distance is formed between the third branch section 19 and the first branch section 16; a fourth branch section 20 is vertically extended from one end of the third branch section 19 adjacent to the second frame 12, a fifth branch section 21 is horizontally extended from the end of the fourth branch section 20, and the third branch section 19 is located between the first branch section 16 and the fifth branch section 21; a sixth branch section 22 vertically extends from the other end of the third branch section 19, and a metal sheet 23 is arranged on the sixth branch section 22; the first branch node 16 is provided with a concave part matched with the metal sheet 23, the first feed point 10 is located on the first branch node 16 and adjacent to the concave part, and the first feed point 10 is located between the second branch node 17 and the sixth branch node 22.
The first main antenna 2 further comprises a third antenna portion 24; the third antenna part is located between the first antenna part and the first broken seam 8, and the third antenna part is connected with one end of the first metal edge 5 adjacent to the first broken seam 8.
The third antenna part comprises a seventh branch section 25, the seventh branch section 25 is parallel to the second frame 12, the seventh branch section 25 is located between the convex part 18 and the first broken seam 8, and a third setting distance is formed between the seventh branch section 25 and the convex part 18; an eighth branch node 26 extends horizontally from one end of the seventh branch node 25 adjacent to the first broken joint 8, a ninth branch node 27 extends vertically from the tail end of the eighth branch node 26, the ninth branch node 27 is connected with one end of the first metal edge 5 adjacent to the first broken joint 8, and the eighth branch node 26 is located between the second branch node 17 and the seventh branch node 25; a tenth branch section 28 extends horizontally from the other end of the seventh branch section 25, and the tenth branch section 28 is located between the second antenna portion and the seventh branch section 25.
The length of the eighth leg 26 is less than the length of the tenth leg 28.
The second main antenna 3 comprises an eleventh stub 29 and a twelfth stub 30 connected to each other; the eleventh branch 29 is parallel to the second metal edge 7, and the second feed point 11 is disposed on the eleventh branch 29; the twelfth branch 30 is perpendicular to the eleventh branch 29, and the twelfth branch 30 is connected to an end of the second metal edge 7 adjacent to the second broken seam 9.
A fourth setting distance is provided between the eleventh stub 29 and the second metal edge 7.
A first spacing distance is arranged between the first main antenna 2 and the second frame 12, and a second spacing distance is arranged between the second main antenna 3 and the third frame 13; the first separation distance is less than the second separation distance.
In the present embodiment, in the first embodiment, the following has been described: the terminal metal frame 1 comprises a first frame 4 and a fourth frame 14 which are oppositely arranged, and a second frame 12 and a third frame 13 which are oppositely arranged; the first frame 4 is parallel to the fourth frame 14, the second frame 12 is parallel to the third frame 13, two ends of the second frame 12 are respectively connected to one end of the first frame 4 and one end of the fourth frame 14, and two ends of the third frame 13 are respectively connected to the other end of the first frame 4 and the other end of the fourth frame 14. The first frame 4 comprises a first metal edge 5, a metal connecting part 6 and a second metal edge 7 which are arranged in sequence; the first metal edge 5 is adjacent to the second frame 12, so that the second frame 12 is connected and perpendicular to the first metal edge 5; the second metal rim 7 is adjacent to the third rim 13, so that the third rim 13 is connected to and perpendicular to the second metal rim 7. In the present embodiment, in terms of position, the first main antenna 2 is located between the first broken seam 8 and the second frame 12, specifically, the first main antenna 2 is located between the second frame 12 and a vertical line where the first broken seam 8 is located, and the first main antenna 2 does not exceed the first broken seam 8 in the horizontal direction; in the position relation, the second main antenna 3 is located between the second broken seam 9 and the third frame 13, specifically, the second main antenna 3 is located between the third frame 13 and a vertical line where the second broken seam 9 is located, and the second main antenna 3 does not exceed the second broken seam 9 in the horizontal direction; and one USB15 is connected with the metal connection part 6, and the USB15 is located between the first main antenna 2 and the second main antenna 3, and neither the first main antenna 2 nor the second main antenna 3 is in contact with the USB 15.
Meanwhile, a first spacing distance is formed between the first main antenna 2 and the second frame 12, and a second spacing distance is formed between the second main antenna 3 and the third frame 13; the first separation distance is less than the second separation distance.
The first antenna portion of the first main antenna 2 comprises a first stub 16, the first stub 16 is parallel to the first rim 4, and the first stub 16 is spaced apart from the first rim 4 by a first distance. One end of the first branch section 16 extends vertically to a second branch section 17 towards the direction of the first frame 4, wherein one end of the first branch section 16 is the end of the first branch section 16 adjacent to the second frame 12; connecting the second branch section 17 with the first metal edge 5, wherein the second branch section 17 is connected with one end of the first metal edge 5 adjacent to the second frame 12; a convex part 18 extends from the other end of the first branch section 16 to the direction of the fourth frame 14, and the first branch section 16 is located between the first frame 4 and the convex part 18; the first feed point 10 is disposed on the first branch section 16, and the first feed point 10 may be disposed on the first branch section 16 in a spring structure manner. The first antenna part and the first metal edge 5 form an IFA antenna structure, and the first antenna part and the first metal edge 5 form a structure for receiving and transmitting signals of a first frequency band; furthermore, each branch of the first main antenna 2 is a Pattern (Pattern) trace.
The first antenna part is located between the first frame 4 and the second antenna part; a second antenna section of the first main antenna 2, comprising a third stub 19; the third branch section 19 is parallel to the first frame 4, and a second setting distance is set between the third branch section 19 and the first branch section 16; one end of the third branch section 19 extends vertically to a fourth branch section 20 towards the direction of the fourth frame 14, wherein one end of the third branch section 19 is the end of the third branch section 19 adjacent to the second frame 12; the end of the fourth branch node 20 faces the direction of the third frame 13, a fifth branch node 21 horizontally extends, and the third branch node 19 is arranged between the first branch node 16 and the fifth branch node 21; the length of the third branch node 19 is equal to that of the fifth branch node 21, the length of the fourth branch node 20 is smaller than that of the third branch node 19, meanwhile, the width of the third branch node 19 is smaller than that of the first branch node 16, and the width of the fifth branch node 21 is smaller than that of the first branch node 16; a sixth branch section 22 vertically extends from the other end of the third branch section 19 toward the direction of the first branch section 16, a metal sheet 23 is disposed on the sixth branch section 22, and the metal sheet 23 may be disposed on the sixth branch section 22 in a manner of a spring structure, so that the metal sheet 23 may be used as a location of the first main antenna 2. A concave part matched with the metal sheet 23 is arranged on the first support section 16, and the width of the concave part can be larger than that of the metal sheet 23; the first feed point 10 is arranged on the first branch 16 adjacent to the recess, while the first feed point 10 is located between the second branch 17 and the sixth branch 22. According to the above configuration, it is understood that the first antenna portion and the second antenna portion are provided in a coupling manner, and the second antenna portion constitutes a parasitic coupling branch structure; and because a place is arranged on the second antenna part and a first feed point 10 matched with the place is arranged on the first antenna part, the second antenna part can receive and transmit signals of the second frequency band through the first antenna part and the first metal edge 5.
The first main antenna 2 further comprises a third antenna portion 24; the third antenna portion is arranged between the first antenna portion and the first break 8 and is connected to one end of the first metal rim 5, wherein the one end of the first metal rim 5 is the end of the first metal rim 5 adjacent to the first break 8. Specifically, the third antenna portion includes a seventh branch 25, the seventh branch 25 is parallel to the second frame 12, the seventh branch 25 is disposed between the protruding portion 18 of the first antenna portion and the first broken seam 8, and a third disposing distance is provided between the seventh branch 25 and the protruding portion 18, so that the first branch 16 is not in contact with the first antenna portion; one end of the seventh branch node 25 extends horizontally to form an eighth branch node 26 towards the direction of the second frame 12, wherein one end of the seventh branch node 25 is the end of the seventh branch node 25 adjacent to the first broken seam 8, and the eighth branch node 26 is further arranged between the second branch node 17 and the seventh branch node 25; the end of the eighth branch node 26 extends vertically to a ninth branch node 27 towards the direction of the first frame 4; the ninth stub 27 is connected to one end of the first metal edge 5, wherein one end of the first metal edge 5 is the end of the first metal edge 5 adjacent to the first break 8; and, the other end of the seventh branch 25 is extended horizontally with a tenth branch 28 toward the direction of the first frame 4, the tenth branch 28 does not enter the area of the second antenna part, and the tenth branch 28 is disposed between the second antenna part and the seventh branch 25, and the convex part 18 on the first antenna part is disposed between the eighth branch 26 and the tenth branch 28. Meanwhile, the length of eighth leg 26 is less than the length of tenth leg 28. Since the first antenna portion is connected to the first metal rim 5 and the third antenna portion 24 is connected to the first metal rim 5, the third antenna portion 24 can extend the antenna structure formed by the first antenna portion and the first metal rim 5.
The second main antenna 3 is constituted by an eleventh stub 29 and a twelfth stub 30, and the eleventh stub 29 and the twelfth stub 30 are connected; the eleventh branch 29 is parallel to the second metal edge 7, and meanwhile, a fourth setting distance is formed between the eleventh branch 29 and the second metal edge 7; the second feed point 11 is arranged on the eleventh branch node 29, and the second feed point 11 is arranged on the eleventh branch node 29 in a spring structure manner; the twelfth branch 30 is perpendicular to the eleventh branch 29, and the twelfth branch 30 is connected to one end of the second metal edge 7, where the one end of the second metal edge 7 is an end of the second metal edge 7 adjacent to the second broken seam 9. On the basis of the above structure, the second main antenna 3 and the second metal edge 7 in this application may form an IFA antenna structure, and the IFA antenna structure formed by the second main antenna 3 and the second metal edge 7 may receive and transmit signals in the third frequency band. And, each branch section on the second main antenna 3 is a mode wire.
Through above mode of setting up, the first main antenna 2 that obtains is IFA antenna structure + parasitic coupling structure, and second main antenna 3 adopts IFA antenna structure.
Besides, the terminal is provided with a USB15, and the terminal is also provided with a fingerprint identification module, a speaker (speaker), a motor, a microphone (Mic) and other structures; first main antenna 2 respectively with USB15, fingerprint identification module, the speaker, the motor, certain distance has between the microphone, second main antenna 3 respectively with USB15, fingerprint identification module, the speaker, the motor, certain distance has between the microphone, thereby with first main antenna 2, second main antenna 3 and each device in the terminal have been kept apart, in order to guarantee that first main antenna 2 and second main antenna 3 do not receive the influence of each device, first main antenna 2 and second main antenna 3's performance has been guaranteed.
The present embodiment provides a dual antenna structure applied to a terminal, which is composed of a terminal metal frame 1, a first main antenna 2 and a second main antenna 3, wherein the terminal metal frame 1 includes a first frame 4, and the first frame 4 includes a first metal edge 5, a metal connecting portion 6 for setting USB15, and a second metal edge 7, which are sequentially arranged; a first broken seam 8 is arranged between the first metal edge 5 and the metal connecting part 6, and a second broken seam 9 is arranged between the second metal edge 7 and the metal connecting part 6; the length of the metal connecting part 6 is less than that of the first metal edge 5, and the length of the metal connecting part 6 is less than that of the second metal edge 7; the first main antenna 2 and the second main antenna 3 are arranged in the terminal metal frame 1; the first main antenna 2 includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge 5, and a first feed point 10 is arranged on the first antenna part; the first antenna part is positioned between the first frame 4 and the second antenna part, and the first antenna part and the second antenna part are arranged in a coupling mode; the second main antenna 3 is connected with the second metal edge 7, and a second feed point 11 is arranged on the second main antenna 3. Therefore, a first broken seam 8 and a second broken seam 9 are formed in the first frame 4, and the first broken seam 8 and the second broken seam 9 are respectively positioned on two sides of the metal connecting part 6 of the first frame 4, wherein the first frame 4 comprises a first metal edge 5, the metal connecting part 6 and a second metal edge 7 which are sequentially arranged; connect first main antenna 2 with first metal limit 5, second main antenna 3 is connected with metal connecting portion 6, wherein, because the length of first metal limit 5 is greater than metal connecting portion 6's length, thereby can prolong the length of the antenna structure that first main antenna 2 and first metal limit 5 constitute, simultaneously, because the length of second metal limit 7 is greater than metal connecting portion 6's length, thereby can prolong the length of the antenna structure that second main antenna 3 and second metal limit 7 constitute, and then can improve the performance of the double antenna structure at terminal, can improve the communication quality at terminal. Moreover, the first antenna part and the first metal edge 5 form an IFA antenna structure, so that the first antenna part and the first metal edge 5 form a structure for receiving and transmitting signals of the first frequency band; the first antenna part and the second antenna part are arranged in a coupling mode, the second antenna part forms a parasitic coupling branch structure, and the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge 5; connecting the second main antenna 3 with the second metal edge 7, wherein the second main antenna 3 and the second metal edge 7 also form an IFA antenna structure, so that the second main antenna 3 and the second metal edge 7 form a structure for receiving and transmitting signals of a third frequency band; the frequency of the third frequency band is greater than that of the second frequency band, and the frequency of the second frequency band is greater than that of the first frequency band; furthermore, the dual-antenna structure provided by the application can receive and send signals of different frequency bands, covers the conditions of low frequency, intermediate frequency and high frequency, can realize the function of integrating wireless channels across frequency bands, namely, the carrier aggregation performance is realized, the communication quality of the terminal can be further improved, and the communication experience of a user is improved. The first main antenna 2 further includes a third antenna portion 24, and since the first antenna portion is connected to the first metal rim 5 and the third antenna portion 24 is connected to the first metal rim 5, the third antenna portion 24 can extend the antenna structure formed by the first antenna portion and the first metal rim 5.
Fig. 3 is a schematic cross-sectional structure diagram of a third embodiment of a terminal housing according to an exemplary embodiment, and as shown in fig. 3, the terminal housing 31 is provided with a dual antenna structure applied to a terminal as provided in the above embodiments.
In this embodiment, a dual antenna structure applied to the terminal is provided on the terminal housing 31, and the dual antenna structure applied to the terminal adopts the dual antenna structure applied to the terminal provided in the first embodiment and the second embodiment.
The structure and principle of the dual-antenna structure applied to the terminal are the same as those of the dual-antenna structure applied to the terminal provided in the first and second embodiments, and a detailed description thereof will not be provided here.
The present embodiment provides a dual antenna structure applied to a terminal, which is composed of a terminal metal frame 1, a first main antenna 2 and a second main antenna 3, by providing the dual antenna structure applied to a terminal provided in the above embodiment on a terminal housing 31, the terminal metal frame 1 including a first rim 4, the first rim 4 including a first metal rim 5, a metal connecting portion 6 for providing a USB15, and a second metal rim 7, which are sequentially provided; a first broken seam 8 is arranged between the first metal edge 5 and the metal connecting part 6, and a second broken seam 9 is arranged between the second metal edge 7 and the metal connecting part 6; the length of the metal connecting part 6 is less than that of the first metal edge 5, and the length of the metal connecting part 6 is less than that of the second metal edge 7; the first main antenna 2 and the second main antenna 3 are arranged in the terminal metal frame 1; the first main antenna 2 includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge 5, and a first feed point 10 is arranged on the first antenna part; the first antenna part is positioned between the first frame 4 and the second antenna part, and the first antenna part and the second antenna part are arranged in a coupling mode; the second main antenna 3 is connected with the second metal edge 7, and a second feed point 11 is arranged on the second main antenna 3. Therefore, a first broken seam 8 and a second broken seam 9 are formed in the first frame 4, and the first broken seam 8 and the second broken seam 9 are respectively positioned on two sides of the metal connecting part 6 of the first frame 4, wherein the first frame 4 comprises a first metal edge 5, the metal connecting part 6 and a second metal edge 7 which are sequentially arranged; connect first main antenna 2 with first metal limit 5, second main antenna 3 is connected with metal connecting portion 6, wherein, because the length of first metal limit 5 is greater than metal connecting portion 6's length, thereby can prolong the length of the antenna structure that first main antenna 2 and first metal limit 5 constitute, simultaneously, because the length of second metal limit 7 is greater than metal connecting portion 6's length, thereby can prolong the length of the antenna structure that second main antenna 3 and second metal limit 7 constitute, and then can improve the performance of the double antenna structure at terminal, can improve the communication quality at terminal. Moreover, the first antenna part and the first metal edge 5 form an IFA antenna structure, so that the first antenna part and the first metal edge 5 form a structure for receiving and transmitting signals of the first frequency band; the first antenna part and the second antenna part are arranged in a coupling mode, the second antenna part forms a parasitic coupling branch structure, and the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge 5; connecting the second main antenna 3 with the second metal edge 7, wherein the second main antenna 3 and the second metal edge 7 also form an IFA antenna structure, so that the second main antenna 3 and the second metal edge 7 form a structure for receiving and transmitting signals of a third frequency band; the frequency of the third frequency band is greater than that of the second frequency band, and the frequency of the second frequency band is greater than that of the first frequency band; furthermore, the dual-antenna structure provided by the application can receive and send signals of different frequency bands, covers the conditions of low frequency, medium frequency and high frequency, and can realize the function of integrating wireless channels across frequency bands, namely, the carrier aggregation performance is realized.
The fourth embodiment provides a terminal, and the terminal housing provided in the fourth embodiment is arranged on the terminal.
In this embodiment, a terminal housing is provided on the terminal, and the terminal housing is the terminal housing provided in the third embodiment; the terminal shell is provided with a double-antenna structure applied to the terminal, and the double-antenna structure applied to the terminal adopts the double-antenna structure applied to the terminal provided by the first embodiment and the second embodiment.
The structure and the principle of the terminal shell are the same as those of the terminal shell provided by the third embodiment; the structure and principle of the dual-antenna structure applied to the terminal are the same as those of the dual-antenna structure applied to the terminal provided in the first embodiment and the second embodiment; and will not be described in detail herein.
In this embodiment, a terminal housing is disposed on a terminal, a dual-antenna structure applied to the terminal is disposed on the terminal housing, and the dual-antenna structure applied to the terminal is provided, which is composed of a terminal metal frame, a first main antenna and a second main antenna, where the terminal metal frame includes a first frame, and the first frame includes a first metal edge, a metal connecting portion for disposing a USB, and a second metal edge, which are sequentially disposed; a first broken seam is arranged between the first metal edge and the metal connecting part, and a second broken seam is arranged between the second metal edge and the metal connecting part; the length of the metal connecting part is smaller than that of the first metal edge, and the length of the metal connecting part is smaller than that of the second metal edge; the first main antenna and the second main antenna are arranged in the terminal metal frame; the first main antenna includes a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge, and a first feed point is arranged on the first antenna part; the first antenna part is positioned between the first frame and the second antenna part and is arranged in a coupling mode; the second main antenna is connected with the second metal edge, and a second feed point is arranged on the second main antenna. Therefore, a first broken seam and a second broken seam are formed in the first frame and are respectively positioned on two sides of the metal connecting part of the first frame, and the first frame comprises a first metal edge, the metal connecting part and a second metal edge which are sequentially arranged; the first main antenna is connected with the first metal edge, the second main antenna is connected with the metal connecting portion, wherein the length of the first metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the first main antenna and the first metal edge can be prolonged, and meanwhile, the length of the second metal edge is larger than that of the metal connecting portion, so that the length of the antenna structure formed by the second main antenna and the second metal edge can be prolonged, the performance of the double-antenna structure of the terminal can be improved, and the communication quality of the terminal can be improved. In addition, the first antenna part and the first metal edge form an IFA antenna structure, so that the first antenna part and the first metal edge form a structure for receiving and transmitting signals of a first frequency band; the first antenna part and the second antenna part are arranged in a coupling mode, the second antenna part forms a parasitic coupling branch structure, and the second antenna part can receive and transmit signals of a second frequency band through the first antenna part and the first metal edge; connecting a second main antenna with a second metal edge, wherein the second main antenna and the second metal edge also form an IFA antenna structure, so that the second main antenna and the second metal edge form a structure for receiving and transmitting signals of a third frequency band; the frequency of the third frequency band is greater than that of the second frequency band, and the frequency of the second frequency band is greater than that of the first frequency band; furthermore, the dual-antenna structure provided by the application can receive and send signals of different frequency bands, covers the conditions of low frequency, medium frequency and high frequency, and can realize the function of integrating wireless channels across frequency bands, namely, the carrier aggregation performance is realized.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A dual antenna structure for a terminal, comprising:
the antenna comprises a terminal metal frame, a first main antenna and a second main antenna;
the terminal metal frame comprises a first frame, and the first frame comprises a first metal edge, a metal connecting part and a second metal edge which are sequentially arranged, wherein the metal connecting part is used for arranging a Universal Serial Bus (USB); a first broken joint is arranged between the first metal edge and the metal connecting part, and a second broken joint is arranged between the second metal edge and the metal connecting part;
the length of the metal connecting part is smaller than that of the first metal edge, and the length of the metal connecting part is smaller than that of the second metal edge;
the first main antenna and the second main antenna are arranged in the terminal metal frame;
the first main antenna comprises a first antenna portion and a second antenna portion; the first antenna part is connected with the first metal edge, and a first feed point is arranged on the first antenna part; the first antenna part is positioned between the first frame and the second antenna part, and the first antenna part and the second antenna part are arranged in a coupling mode;
the second main antenna is connected with the second metal edge, and a second feed point is arranged on the second main antenna;
the first main antenna further comprises a third antenna portion;
the third antenna part is positioned between the first antenna part and the first broken seam, and the third antenna part is connected with one end of the first metal edge, which is adjacent to the first broken seam;
the terminal metal frame also comprises a second frame which is connected with the first metal edge and is vertically arranged, and a third frame which is connected with the second metal edge and is vertically arranged;
the first main antenna is positioned between the first broken joint and the second frame;
the second main antenna is located between the second broken seam and the third frame.
2. The dual antenna structure applied to a terminal of claim 1, wherein the first antenna portion comprises a first stub, the first stub being parallel to the first rim, the first stub and the first rim having a first setting distance therebetween;
a second branch section extends vertically from one end of the first branch section adjacent to the second frame, and is connected with the first metal edge; a boss extends from the other end of the first branch section, and the first branch section is located between the first frame and the boss;
the first feed point is located on the first leg.
3. The dual antenna structure applied to a terminal according to claim 2, wherein the second antenna portion comprises a third leg section, the third leg section is parallel to the first frame, and the third leg section and the first leg section have a second setting distance therebetween;
a fourth branch section vertically extends from one end of the third branch section adjacent to the second frame, a fifth branch section horizontally extends from the tail end of the fourth branch section, and the third branch section is positioned between the first branch section and the fifth branch section; a sixth branch section vertically extends from the other end of the third branch section, and a metal sheet is arranged on the sixth branch section;
the first branch node is provided with a concave part matched with the metal sheet, the first feed point is positioned on the first branch node and adjacent to the concave part, and the first feed point is positioned between the second branch node and the sixth branch node.
4. The dual antenna structure applied to a terminal according to claim 2, wherein the third antenna portion comprises a seventh stub, the seventh stub is parallel to the second frame, the seventh stub is located between the protruding portion and the first broken seam, and a third setting distance is provided between the seventh stub and the protruding portion;
an eighth branch node extends horizontally from one end of the seventh branch node adjacent to the first broken joint, a ninth branch node extends vertically from the tail end of the eighth branch node, the ninth branch node is connected with one end of the first metal edge adjacent to the first broken joint, and the eighth branch node is located between the second branch node and the seventh branch node;
a tenth branch section extends horizontally from the other end of the seventh branch section, and the tenth branch section is located between the second antenna portion and the seventh branch section.
5. The dual antenna structure applied to the terminal of claim 4, wherein the length of the eighth stub is smaller than the length of the tenth stub.
6. The dual antenna structure applied to a terminal according to any one of claims 1 to 5, wherein the second main antenna comprises an eleventh branch and a twelfth branch connected to each other;
the eleventh branch section is parallel to the second metal edge, and the second feed point is arranged on the eleventh branch section;
the twelfth branch section is perpendicular to the eleventh branch section, and the twelfth branch section is connected with one end, adjacent to the second broken seam, of the second metal edge.
7. The dual antenna structure applied to a terminal according to claim 6, wherein a fourth setting distance is provided between the eleventh stub and the second metal edge.
8. The dual antenna structure applied to the terminal according to any one of claims 1 to 5, wherein the first main antenna has a first separation distance from the second rim, and the second main antenna has a second separation distance from the third rim;
the first separation distance is less than the second separation distance.
9. A terminal housing, characterized in that it is provided with a dual antenna structure for a terminal according to any of claims 1-8.
10. A terminal, characterized in that the terminal is provided with a terminal housing according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620480.5A CN107492718B (en) | 2017-07-26 | 2017-07-26 | Double-antenna structure applied to terminal, terminal shell and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710620480.5A CN107492718B (en) | 2017-07-26 | 2017-07-26 | Double-antenna structure applied to terminal, terminal shell and terminal |
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| Publication Number | Publication Date |
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| CN107492718A CN107492718A (en) | 2017-12-19 |
| CN107492718B true CN107492718B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710620480.5A Active CN107492718B (en) | 2017-07-26 | 2017-07-26 | Double-antenna structure applied to terminal, terminal shell and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108281753B (en) * | 2018-01-25 | 2020-11-20 | 瑞声科技（南京）有限公司 | Antenna system and mobile terminal |
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| CN102856641A (en) * | 2012-09-29 | 2013-01-02 | 电子科技大学 | Multiband wireless terminal antenna |
| CN203932323U (en) * | 2014-05-28 | 2014-11-05 | 瑞声精密制造科技(常州)有限公司 | Be applicable to have the antenna system of the mobile terminal of metal frame structure |
| CN104810605A (en) * | 2014-01-23 | 2015-07-29 | 维沃移动通信有限公司 | Separately coupled feed-in antenna apparatus |
| CN204577574U (en) * | 2015-03-27 | 2015-08-19 | 深圳光启智能光子技术有限公司 | Antenna |
| JP2016025538A (en) * | 2014-07-23 | 2016-02-08 | レノボ・シンガポール・プライベート・リミテッド | Antenna system for electronic apparatus, and method for strengthening isolation |
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|---|---|---|---|---|
| CN102856641A (en) * | 2012-09-29 | 2013-01-02 | 电子科技大学 | Multiband wireless terminal antenna |
| CN104810605A (en) * | 2014-01-23 | 2015-07-29 | 维沃移动通信有限公司 | Separately coupled feed-in antenna apparatus |
| CN203932323U (en) * | 2014-05-28 | 2014-11-05 | 瑞声精密制造科技(常州)有限公司 | Be applicable to have the antenna system of the mobile terminal of metal frame structure |
| JP2016025538A (en) * | 2014-07-23 | 2016-02-08 | レノボ・シンガポール・プライベート・リミテッド | Antenna system for electronic apparatus, and method for strengthening isolation |
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