CN105846054B - Terminal back-cover and mobile terminal - Google Patents
Terminal back-cover and mobile terminal Download PDFInfo
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- CN105846054B CN105846054B CN201610153982.7A CN201610153982A CN105846054B CN 105846054 B CN105846054 B CN 105846054B CN 201610153982 A CN201610153982 A CN 201610153982A CN 105846054 B CN105846054 B CN 105846054B
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- main body
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- frame
- cover
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Classifications
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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
-
- 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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
-
- 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
- H01Q5/10—Resonant antennas
-
- 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
-
- 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
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of terminal back-cover and mobile terminals.Terminal back-cover includes: back-cover main body, antenna body, the first frame, the second frame, feed elastic slice and returns ground elastic slice.Antenna body includes first part, second part and two Part III, and the first side and the back-cover main body of first part separate, and second side and the second part of first part separate, and the first side is opposite with second side.First part includes the first sub- main body and the second sub- main body separated, and a Part III is for connecting the first sub- main body and second part, another Part III is for connecting the second sub- main body and second part.Feed elastic slice is connect with the first sub- main body, is returned ground elastic slice and is connect with the second sub- main body.Terminal back-cover according to the present invention, can enhance the radiation efficiency of antenna body.
Description
Technical field
The present invention relates to cell phone apparatus technical fields, specifically, more particularly to a kind of terminal back-cover and mobile terminal.
Background technique
Current metal edge frame mobile phone is becoming increasingly popular due to fashion, and mainstream cell phone manufacturer releases metal machine one after another,
All-metal mobile phone is always the target that each cell phone manufacturer is pursued.All-metal mobile phone can reduce the radiation efficiency of antenna module, opponent
The transmitting of machine signal has an adverse effect, and can seriously reduce speech quality.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of end
Back-cover is held, the terminal back-cover has the advantages that radiation efficiency is high.
The present invention is provided with a kind of mobile terminal, and the mobile terminal has terminal back-cover as described above.
A kind of terminal back-cover is provided according to an aspect of an embodiment of the present invention, comprising: back-cover main body；Antenna body,
The antenna body includes first part, second part and two Part III, the first side and the back of the first part
One end of lid main body is separated by the first gap, second side of the first part and the second part by the second gap every
Open, first side is opposite with described second side, the first part include the first sub- main body for being opened by third gap length and
Second sub- main body, one of them described Part III are connected between the described first sub- main body and the second part, another
The Part III is connected between the described second sub- main body and the second part；First frame, the portion of first frame
Divide and separated by the 4th gap and the third side of the first part, the second part is connect with first frame；Second
The part of frame, second frame is separated by the 5th gap and the 4th side of the first part, the third side and institute
It is opposite to state the 4th side, the second part is connect with second frame；Feed elastic slice, the feed elastic slice and first son
Main body connection；And ground elastic slice is returned, described time ground elastic slice is connect with the feed elastic slice, described time ground elastic slice and second son
Main body connection.
Terminal back-cover according to an embodiment of the present invention, by make feed elastic slice and return elastic slice respectively with the first sub- main body and
Second sub- main body is correspondingly connected with, and is electrically connected the first sub- main body, the second sub- main body with second part respectively using Part III,
First sub- main body and the second sub- main body are spaced apart and arranged in back-cover main body, so that antenna body is configured to, it is possible thereby to enhance
The radiation efficiency of antenna body.
According to one embodiment of present invention, the second part be equipped with the 6th gap and the 7th gap, the described 6th
The one end in gap is connected and opposite with the described first sub- main body with second gap, and the other end in the 6th gap extends to
Far from the side of the first part on the second part；The one end in the 7th gap be connected with second gap and with
The second sub- main body is opposite, and the other end in the 7th gap extends to the separate first part on the second part
Side.
According to one embodiment of present invention, in the 6th gap and the 7th gap fill insulant to be formed
Insulating layer.
According to one embodiment of present invention, in first gap to the 5th gap fill insulant to be formed
Insulating layer, the insulating layer connects the back-cover main body and the first part, the first sub- main body and second son are main
Body, first frame and the first part, second frame and the first part and the first part and institute
State second part.
According to one embodiment of present invention, the insulating layer with a thickness of H, the H meets: H >=1mm.
According to one embodiment of present invention, the insulating materials is using nanometer Shooting Technique and the back-cover main body, institute
Antenna body, first frame and second frame connection is stated to be integrated.
According to one embodiment of present invention, the length of the second part is 0.25 λ, and the λ is 770MHz electromagnetic wave
Respective wavelength.
According to one embodiment of present invention, the described first sub- main body is identical as the shape of the described second sub- main body.
According to one embodiment of present invention, first frame and second frame with the antenna body electricity every
From.
According to one embodiment of present invention, first frame and second frame are made of metal material.
According to one embodiment of present invention, first frame and second frame are made of nonmetallic materials, and
The spray coating of metalloid color is coated on first frame and second frame.
According to one embodiment of present invention, the band limits of the antenna body covering is 770MHz-2700MHz.
According to one embodiment of present invention, the antenna body is located at the downside of the back-cover main body.
According to an embodiment of the present invention another aspect provides a kind of mobile terminals, comprising: terminal back as described above
Lid；Circuit board, the circuit board include antenna feed point and circuit grounding point；First conducting connecting part, described first is conductively connected
Part is used to be electrically connected the feed elastic slice of the antenna feed point and the terminal back-cover；And second conducting connecting part, it is described
Second conducting connecting part is used to be electrically connected described time ground elastic slice of the circuit grounding point and the terminal back-cover.
Mobile terminal according to an embodiment of the present invention, by make feed elastic slice and return elastic slice respectively with the first sub- main body and
Second sub- main body is correspondingly connected with, and is electrically connected the first sub- main body, the second sub- main body with second part respectively using Part III,
First sub- main body and the second sub- main body are spaced apart and arranged in back-cover main body, so that antenna body is configured to, it is possible thereby to enhance
The radiation efficiency of antenna body.
According to one embodiment of present invention, mobile terminal further include: radio-frequency devices, the antenna feed point are set to described
On radio-frequency devices, coupled from the wireless signal that the radio-frequency devices issue from the antenna feed point by the first conducting connecting part
To the terminal back-cover, and launch.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of terminal back-cover according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of terminal back-cover according to an embodiment of the present invention；
Fig. 3 is the schematic perspective view of the part-structure of terminal back-cover according to an embodiment of the present invention；
Fig. 4 is the return loss plot figure of mobile terminal according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of mobile terminal according to an embodiment of the present invention.
Appended drawing reference:
Terminal back-cover 100,
Back-cover main body 101,
First part 110, the first side 111, second side 112, third side 113, the 4th side 114,
First sub- main body 115, the second sub- main body 116,
Second part 120, Part III 130,
First gap 151, the second gap 152, third gap 153, the 4th gap 154, the 5th gap 155, the 6th
Gap 156, the 7th gap 157,
First frame 160,
Second frame 170,
Elastic slice 181 is fed, ground elastic slice 182 is returned,
Mobile terminal 500,
Processing component 501, processor 502, the interface 503 of input/output (I/O), memory 504, power supply module
505, multimedia component 506, audio component 507, communication component 508, sensor module 509.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technical characteristic
Quantity." first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more spy
Sign.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Terminal back-cover 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Fig. 4.
As Figure 1-Figure 4, terminal back-cover 100 according to an embodiment of the present invention, comprising: back-cover main body 101, antenna master
Body, the first frame 160, the second frame 170, feed elastic slice 181 and time ground elastic slice 182.
It should be noted that the terminal back-cover 100 of the embodiment of the present invention is the gold of the rectangular parallelepiped structure of conductive energy
Belong to shell, the shell that can be used as mobile phone is carried out using making material of the alloy as shell can also be used in certain shell, such as not
Become rusty steel, magnesium alloy etc., obtains, including left and right side, top surface, bottom surface and front by the production such as milling, forging and pressing, can also be multi-panel
Shape, herein with no restriction.It may be provided with the related accessory on display screen and mobile phone on shell, such as main screen key, raise
The setting position of sound device, camera, USB, side key etc., certain each component can be designed as the case may be, not made herein
Limitation.
As Figure 1-Figure 2, antenna body includes first part 110, second part 120 and two Part III 130.Its
In, the first side 111 of first part 110 is separated with one end of back-cover main body 101 by the first gap 151, first part 110
Second side 112 is separated with second part 120 by the second gap 152, and the first side 111 is opposite with second side 112.First part
110 include the first sub- main body 115 and the second sub- main body 116 being spaced apart by third gap 153, one of Part III 130
It is connected between the first sub- main body 115 and second part 120, another Part III 130 is connected to the second sub- main body 116 and
Between two parts 120.Here, the first sub- main body 115 and the second sub- main body 116 and back-cover master can be made using third gap 153
The insulation connection of body 101.
The part of first frame 160 is separated by the 4th gap 154 and the third side 113 of first part 110, second part
120 connect with the first frame 160.The 4th side 114 that the part of second frame 170 passes through the 5th gap 155 and first part 110
It separates, third side 113 and the 4th side 114 are opposite, and second part 120 is connect with the second frame 170.Feed elastic slice 181 and first
Sub- main body 115 connects, and returns ground elastic slice 182 and connect with feed elastic slice 181, returns ground elastic slice 182 and connect with the second sub- main body 116.
Antenna body is for receiving and emitting signal, and signal has different working frequencies, corresponding different wavelength, day
When the length of the current path of line main body is equal to corresponding wavelength (such as 0.25 wavelength), referred to as resonance, i.e. the first of antenna
A mode (frequency at this time is lower, is thus low frequency mode).And Ν times of the length of the current path, if equally connect
It at this moment can also be exactly high frequency mode (such as 1 wavelength, 1.5 wavelength, 2 wavelength etc.) with resonance when the high-frequency wavelength of nearly signal.
When low frequency mode described in the present embodiment, the length that antenna feed point is coupled to current path composed by antenna body is just connect
Required low frequency wavelength is closely arrived, therefore can be with resonance.When same high frequency mode, rely on the length of current path and antenna high
Secondary mode frequency multiplication generates, and the length of this current path is similarly close to the wavelength of high-frequency signal.
The generation of the low frequency mode of Antenna Operation: it is coupled to open loop composed by the antenna body of ground connection from antenna feed point
Loop antenna excitation；High frequency mode be gap between antenna part and antenna part, open loop Loop antenna higher modes swash
Encourage generation.Here low frequency refers to 770 Μ Η z to 960 Μ Η z, and high frequency refers to 1710MHz to 2170MHz and 2520MHz to 2700 Μ
Ηz。
Terminal back-cover 100 according to an embodiment of the present invention, by make to feed elastic slice 181 and return elastic slice 182 respectively with the
One sub- main body 115 and the second sub- main body 116 are correspondingly connected with, and keep first sub- the 115, second son of main body main using Part III 130
Body 116 is electrically connected with second part 120 respectively, and the first sub- main body 115 and the second sub- main body 116 are spaced apart and arranged in back-cover main body
On 101, so that antenna body is configured to, it is possible thereby to enhance the radiation efficiency of antenna body.
According to one embodiment of present invention, second part 120 be equipped with the 6th gap 156 and the 7th gap 157, the 6th
The one end in gap 156 is connected and opposite with the first sub- main body 115 with the second gap 152, and the other end in the 6th gap 156 extends to
Far from the side of first part 110 on second part 120.The one end in the 7th gap 157 is connected with the second gap 152 and with second
Sub- main body 116 is opposite, and the other end in the 7th gap 157 extends to the side on second part 120 far from first part 110.
According to one embodiment of present invention, fill insulant is exhausted to be formed in 151 to the 7th gap 157 of the first gap
Edge layer, the insulating layer in the first gap 151 can be used for connecting back-cover main body 101 and first part 110, in the second gap 152
Insulating layer can be used for connecting first part 110 and second part 120, the insulating layer in third gap 153 can be used for connecting
The first sub- main body 115 and the second sub- main body 116 are connect, the insulating layer in the 4th gap 154 is for connecting the first frame 160 and first
The sub- main body 115 of the first of part 110, the insulating layer in the 5th gap 155 is for connecting the second frame 170 and first part 110
The second sub- main body 116.The insulating materials can be ring-type, can also in the form of sheets or rectangular-shape etc.；Insulating materials can be height
Molecularly Imprinted Polymer such as PC, ABS etc..According to one embodiment of present invention, insulating materials is using nanometer Shooting Technique and the back
Lid main body 101, antenna body, the first frame 160 and the connection of the second frame 170 are integrated.
Further, as Figure 1-Figure 2, insulating layer with a thickness of H, H satisfaction: H >=1mm.Experiment proves that when H1 >=
When 1mm, the radiation efficiency of antenna module 100 is significantly increased.In the exemplary embodiment, the first gap 151, the second gap 152,
Third gap 153, the 4th gap 154, the 5th gap 155, the 6th gap 156 and the 7th gap 157 width can be identical.It is logical
Often, the width in gap is the bigger the better, can be with minimum 1mm.Certainly, the width in 151 to the 7th gap 157 of the first gap can root
It is set according to concrete condition, but since the smaller deterioration to antenna performance of the width in gap is more obvious, the gap
Situations such as visual specific performance requirement of width and appearance requirement, is adjusted.In some embodiments, the tune of the width in the gap
Section can be used to adjust the frequency shift (FS) of high-frequency band resonance.
In the exemplary embodiment, the width in 151 to the 7th gap 157 of the first gap can not also be identical, such as
The width for designing first gap 151 is 2mm, and the width in the second gap 152 is 1mm.It is on the one hand to obtain lower
Low-frequency resonant, on the other hand in order to meet the design requirement of phone housing.
According to one embodiment of present invention, the band limits of antenna body covering is 770MHz-2700MHz.According to this
One embodiment of invention, the length of second part 120 are 0.25 λ, and λ is the respective wavelength of 770MHz electromagnetic wave.For example, as schemed
Shown in 1- Fig. 2, the length of second part 120 is L, and the L meets: the λ of 0.2 λ≤L≤0.3.It should be noted that " λ " can refer to
The coverage area of the wavelength of electromagnetic wave, the frequency f of the electromagnetic wave of the mobile devices such as mobile phone is 770MHz-2700MHz, wherein λ=
Cf, c are the light velocity.Thus, it is possible to realize GMS call and the covering of LTE full frequency band, wherein low-frequency resonant is by feed point to the whole of place
A length and mobile phone complete machine generate, and high frequency is generated by high-order mode resonance.Further, the length of second part 120 is
0.25 λ, i.e. L=0.25 λ improve the performance of antenna body it is possible thereby to enhance the radiation efficiency of antenna body.
According to one embodiment of present invention, the first sub- main body 115 is identical as the shape of the second sub- main body 116.Thus may be used
To simplify process, production cost is saved.Further, the first sub- main body 115 and the second sub- main body 116 can be formed as
Rectangular, i.e., the first sub- main body 115 and the second sub- main body 116 can be formed as square or rectangular.Thus, it is possible to simplify the
The structure of one sub- main body 115 and the second sub- main body 116, improves the compact-sized degree of antenna body.
Further, as shown in Figure 1, the first sub- main body 115 is identical with the size of the second sub- main body 116.Thus not only
It can simplify process, shorten the production cycle, the quantity in stock of components can also be reduced, so as to save production cost.
For the radiation efficiency for improving antenna body, the first sub- main body 115 and the second sub- main body 116 are symmetrically disposed in back-cover main body 101.
Thus, it is possible to improve the compact-sized degree of terminal back-cover 100, enhance the radiation efficiency of antenna body.As shown in Figure 1, back-cover
Main body 101 is symmetrical about center line on left and right directions, and the first sub- main body 115 and the second sub- main body 116 are also about the center line pair
Claim.
According to one embodiment of present invention, the first frame 160 and the second frame 170 are electrically isolated with antenna body.Root
According to some embodiments of the present invention, the first frame 160 and the second frame 170 are made of nonmetallic materials, and 160 He of the first frame
The spray coating of metalloid color is coated on second frame 170.Other embodiments according to the present invention, the first frame 160
It is made of metal material with second frame 170.
As Figure 1-Figure 2, according to one embodiment of present invention, first part 110 is parallel with second part 120 sets
It sets, and first part 110 and second part 120 are perpendicular with Part III 130.As Figure 1-Figure 2, according to the present invention
One embodiment, the first gap 151 and the second gap 152 be arranged in parallel, third gap 153, the 4th gap 154 and the 5th seam
Gap 155 is parallel to each other, and the first gap 151 and the second gap 152 are perpendicular with 153 to the 5th gap 155 of third gap.
According to one embodiment of present invention, antenna body is located at the downside of back-cover main body 101, it is possible thereby to be effectively reduced holding hand
Adverse effect of the hand to antenna when machine.
Terminal back-cover 100 according to an embodiment of the present invention is described in detail referring to Fig. 1-Fig. 4.It is worth understanding, under
Description is stated to be merely illustrative, rather than to concrete restriction of the invention.It should be noted that the terminal of the embodiment of the present invention
Back-cover 100 is the metal shell of the rectangular parallelepiped structure of conductive energy, and the shell that can be used as mobile phone carries out using certain shell
The making material of alloy as shell, such as stainless steel, magnesium alloy etc. can also be used, obtained by the production such as milling, forging and pressing, wrap
Left and right side, top surface, bottom surface and front are included, it can also be to be polyhedron-shaped, herein with no restriction.It may be provided with display on shell
Related accessory on screen and mobile phone, such as main screen key, loudspeaker, camera, USB, side key, certain each component
Setting position can be designed as the case may be, herein with no restriction.
As Figure 1-Figure 4, terminal back-cover 100 includes: back-cover main body 101, antenna body, the first frame 160, the second side
Frame 170, feed elastic slice 181 and time ground elastic slice 182.
Specifically, as Figure 1-Figure 2, antenna body be located at back-cover main body 101 lower end (as shown in Figure 1 to
Under one end).The band limits of antenna body covering is 770MHz-2700MHz, and antenna body includes first part 110, the
Two parts 120 and two Part III 130.For convenience of description, by the surrounding of first part 110 be respectively designated as the first side 111,
Second side 112, third side 113 and the 4th side 114, wherein the first side 111 is oppositely arranged with second side 112, third side 113 and
Four sides 114 are oppositely arranged.The left end of second part 120 is connect with the first frame 160, the right end of second part 120 and the second side
Frame 170 connects.
As Figure 1-Figure 2, the first side 111 and the lower end of back-cover main body 101 are separated by the first gap 151, second side
112 are separated with the upper end of second part 120 by the second gap 152.The part of first frame 160 by the 4th gap 154 with
Third side 113 separates, and the part of the second frame 170 is separated by the 5th gap 155 and the 4th side 114 of first part 110.
First part 110 includes the first sub- main body 115 and the second sub- main body 116 being spaced apart by third gap 153.Such as 1-
Shown in Fig. 2, the first sub- main body 115 is located at the left side in third gap 153, and the second sub- main body 116 is located at the right side in third gap 153
Side.One of Part III 130 is connected between the first sub- main body 115 and second part 120, another Part III 130
It is connected between the second sub- main body 116 and second part 120.Here, the first sub- main body 115 can be made using third gap 153
It is connected with the second sub- main body 116 with the insulation of back-cover main body 101.As Figure 1-Figure 2, the first sub- main body 115 and the second sub- main body
116 shape is identical.
Second part 120 is equipped with the 6th gap 156 and the 7th gap 157, the upper end and the second gap in the 6th gap 156
152 are connected, and the upper end in the 6th gap 156 is opposite with the first sub- main body 115, and the lower end in the 6th gap 156 extends to second
Divide 120 lower end.The upper end in the 7th gap 157 is connected with the second gap 152, and the upper end in the 7th gap 157 and the second son are main
Body 116 is opposite, and the lower end in the 7th gap 157 extends to 120 lower end of second part.Second part 120 extends in left-right direction, the
The left end of two parts 120 is connect with the first frame, and the right end of second part 120 is connect with the second frame.
The length of second part 120 is L, and L=0.25 λ improves day it is possible thereby to enhance the radiation efficiency of antenna body
The performance of line main body.It should be noted that " λ " can refer to the wavelength of electromagnetic wave, the frequency f of the electromagnetic wave of the mobile devices such as mobile phone
Coverage area be 770MHz-2700MHz, wherein λ=cf, c are the light velocity.Thus, it is possible to realize GMS call and LTE full frequency band
Covering, wherein low-frequency resonant is generated by the whole length and mobile phone complete machine of feed point to place, and high frequency is produced by high-order mode resonance
It is raw.
Fill insulant is exhausted in the first gap 151 to form insulating layer in first gap, 151 to the 7th gap 157
Edge layer can be used for connecting back-cover main body 101 and first part 110, and the insulating layer in the second gap 152 can be used for connecting
A part 110 and second part 120, the insulating layer in third gap 153 can be used for connecting the first sub- main body 115 and the second son
Main body 116, the insulating layer in the 4th gap 154 are used to connect the first sub- main body 115 of the first frame 160 and first part 110,
Insulating layer in 5th gap 155 is used to connect the second sub- main body 116 of the second frame 170 and first part 110.The insulation
Material can be high molecular polymer such as PC, ABS etc..Insulating materials is using nanometer Shooting Technique and the back-cover main body 101, antenna
Main body, the first frame 160 and the connection of the second frame 170 are integrated.
As Figure 1-Figure 2, insulating layer with a thickness of H, H satisfaction: H >=1mm.Experiment proves that as H1 >=1mm, day
The radiation efficiency of line component 100 significantly increases.First gap 151, the second gap 152, third gap 153, the 4th gap 154,
The width in the 5th gap 155, the 6th gap 156 and the 7th gap 157 can be identical.In general, the width in gap is the bigger the better, it can
With minimum 1mm.Certainly, the width in 151 to the 7th gap 157 of the first gap can be set as the case may be, but by
The smaller deterioration to antenna performance of width in gap is more obvious, therefore the visual specific performance of width in the gap requires and outer
Situations such as sight requires is adjusted.In addition, the frequency that the adjusting of the width in the gap can be used to adjust high-frequency band resonance is inclined
It moves.
As Figure 1-Figure 2, first part 110 and second part 120 are arranged in parallel, and first part 110 and second
Part 120 is perpendicular with Part III 130, and the first gap 151 and the second gap 152 are arranged in parallel, third gap 153,
Four gaps 154 and the 5th gap 155 are parallel to each other, the first gap 151 and the second gap 152 with third gap 153 to the 5th
Gap 155 is perpendicular.
First frame 160 and the second frame 170 are electrically isolated with antenna body, and the first frame 160 and the second frame
170 are made of metal material.Feed elastic slice 181 is connect with the first sub- main body 115, returns ground elastic slice 182 and feed elastic slice 181 connects
It connects, returns ground elastic slice 182 and connect with the second sub- main body 116.The upper end of first frame 160 can extend upwardly to and back plate main body
At the concordant position in 101 upper surface, the upper end of the second frame 170 can extend upwardly to the upper surface with back plate main body 101
At concordant position.
Antenna body is for receiving and emitting signal, and signal has different working frequencies, corresponding different wavelength, institute
When stating the length (length of such as second part) of the current path of antenna body and being equal to corresponding wavelength (such as 0.25 wavelength),
Referred to as resonance, i.e. the first of antenna mode (frequency at this time is lower, is thus low frequency mode).And the current path
Ν times of length, if at this moment can also be exactly high frequency mode (such as 1 wave with resonance when the high-frequency wavelength of same approach signal
It is long, 1.5 wavelength, 2 wavelength etc.).When low frequency mode described in the present embodiment, antenna feed point is coupled to antenna part and is formed
Current path length be just close to required for low frequency wavelength, therefore can be with resonance.When same high frequency mode, rely on
The length and antenna higher modes frequency multiplication of current path generate, and the length of this current path is similarly close to the wave of high-frequency signal
It is long.
The generation of the low frequency mode of Antenna Operation: it is coupled to open loop composed by the antenna part of ground connection from antenna feed point
Loop antenna excitation；High frequency mode be gap between antenna part and antenna part, open loop Loop antenna higher modes swash
Encourage generation.Here low frequency refers to 770 Μ Η z to 960 Μ Η z, and high frequency refers to 1710MHz to 2170MHz and 2520MHz to 2700 Μ
Ηz。
As shown in figure 4, Fig. 4 is antenna return loss figure, abscissa indicates frequency d, ordinate S11 (unit dB),
It can use what vector network analyzer was measured, the present embodiment requires the working frequency range S11 of antenna all in -5dB hereinafter, in figure
The frequency of point 1 is 770.13977MHz, and antenna return loss is -4.7798dB；The frequency of point 2 is 960MHz, and antenna returns
Wave loss is -3.6482dB；The frequency of point 3 is 1.7082592GHz, and antenna return loss is -25.202dB；In the frequency of point 4
Rate is 2.17GHz, and antenna return loss is -15.382dB；It is 2.6902160GHz, antenna echo damage in the frequency of point 8
Consumption is -8.2518dB.
The antenna body can form a radiant loop between the external circuit, specifically: feed elastic slice 181-
First sub- main body 115- is located at left side Part III 130- second part 120- and is located at right side Part III 130- times ground elastic slices
182- external circuit, the circuit generate return loss.The radiant loop formed between antenna body and external circuit generates first
Low-frequency resonant, frequency range 770MHz-800MHz, the first high-frequency resonant, frequency range 1710MHz-2170MHz, the second high frequency
Resonance, frequency range 2170MHz-2300MHz and third high-frequency resonant, frequency range 2500MHz-2700MHz, at these
The antenna can work under working frequency range.
As Figure 1-Figure 5, mobile terminal according to an embodiment of the present invention, comprising: such as above-mentioned end as described in the examples
Hold back-cover 100, circuit board, the first conducting connecting part and the second conducting connecting part.
Specifically, circuit board includes antenna feed point and circuit grounding point, the first conducting connecting part is used for electrically connected antenna
The feed elastic slice 181 of feed point and terminal back-cover 100, the second conducting connecting part is for being electrically connected circuit grounding point and terminal back-cover
100 time ground elastic slice 182.
Mobile terminal according to an embodiment of the present invention, it is sub with first respectively by making feed elastic slice 181 and returning ground elastic slice 182
Main body 115 and the second sub- main body 116 are correspondingly connected with, and make the first sub- main body 115, the second sub- main body 116 using Part III 130
It is electrically connected respectively with second part 120, the first sub- main body 115 and the second sub- main body 116 are spaced apart and arranged in back-cover main body 101
On, so that antenna body is configured to, it is possible thereby to enhance the radiation efficiency of antenna body.
According to one embodiment of present invention, the first conducting connecting part and the second conducting connecting part include elastic slice, screw, collection
Total element, conducting foam.According to one embodiment of present invention, mobile terminal can also include: radio-frequency devices, and antenna feed point is set
It is placed on radio-frequency devices, is coupled to end by the first conducting connecting part from the wireless signal that radio-frequency devices issue from antenna feed point
Back-cover 100 is held, and is launched.
As shown in figure 5, mobile terminal 500 includes: processor 502；Storage for 502 executable instruction of storage processor
Device 504.
For example, mobile terminal 500 can be smart phone, computer, digital broadcasting terminal, messaging device, game
Console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Referring to Fig. 5, mobile terminal 500 may include following one or more components: processing component 501, memory 504,
Power supply module 505, multimedia component 506, audio component 507, the interface 503 of input/output (I/O), sensor module 509,
And communication component 508.
Processing component 501 usually control mobile terminal 500 integrated operation, such as with display, data communication, camera operation
Associated operation is operated with record.Processing component 501 may include one or more processors 502 to execute instruction.In addition,
Processing component 501 may include one or more modules, convenient for the interaction between processing component 501 and other assemblies.For example, place
Managing component 501 may include multi-media module, to facilitate the interaction between multimedia component 506 and processing component 501.
Memory 504 is configured as storing various types of data to support the operation in equipment 500.These data are shown
Example includes the instruction of any application or method for operating on mobile terminal 500, message, picture, video etc..Storage
Device 504 can be realized by any kind of volatibility or non-volatile memory device or their combination, as static random is deposited
Access to memory (SRAM), electrically erasable programmable read-only memory (EEPROM), Erasable Programmable Read Only Memory EPROM
(EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, disk or light
Disk.
Power supply module 505 provides electric power for the various assemblies of mobile terminal 500.Power supply module 505 may include power supply pipe
Reason system, one or more power supplys and other with for mobile terminal 500 generate, manage, and distribute the associated component of electric power.
Multimedia component 506 includes the screen of one output interface of offer between the mobile terminal 500 and user.
In some embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch surface
Plate, screen may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touches
Sensor is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding
The boundary of movement, but also detect duration and pressure associated with the touch or slide operation.In some embodiments,
Multimedia component 506 includes a front camera and/or rear camera.When equipment 500 is in operation mode, as shot mould
When formula or video mode, front camera and/or rear camera can receive external multi-medium data.Each preposition camera shooting
Head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 507 is configured as output and/or input audio signal.For example, audio component 507 includes a Mike
Wind (MIC), when mobile terminal 500 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone
It is configured as receiving external audio signal.The received audio signal can be further stored in memory 504 or via logical
Believe that component 508 is sent.In some embodiments, audio component 507 further includes a loudspeaker, is used for output audio signal.
I/O interface 503 provides interface between processing component 501 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 509 includes one or more sensors, for providing the state of various aspects for mobile terminal 500
Assessment.For example, sensor module 509 can detecte the state that opens/closes of equipment 500, the relative positioning of component, such as institute
The display and keypad that component is mobile terminal 500 are stated, sensor module 509 can also detect mobile terminal 500 or mobile
The position change of 500 1 components of terminal, the existence or non-existence that user contacts with mobile terminal 500,500 orientation of mobile terminal
Or the temperature change of acceleration/deceleration and mobile terminal 500.Sensor module 509 may include proximity sensor, be configured to
It detects the presence of nearby objects without any physical contact.Sensor module 509 can also include optical sensor, such as
CMOS or ccd image sensor, for being used in imaging applications.In some embodiments, which can be with
Including acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 508 is configured to facilitate the communication of wired or wireless way between mobile terminal 500 and other equipment.
Mobile terminal 500 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.Show at one
In example property embodiment, communication component 508 receives broadcast singal or broadcast from external broadcasting management system via broadcast channel
Relevant information.In one exemplary embodiment, the communication component 508 further includes near-field communication (NFC) module, short to promote
Cheng Tongxin.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In exemplary embodiment, mobile terminal 500 can be by one or more application specific integrated circuit (ASIC), number
Signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized.
In exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction is additionally provided, such as
Memory 504 including instruction.For example, the non-transitorycomputer readable storage medium can be ROM, random access memory
Device (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (15)
1. a kind of terminal back-cover characterized by comprising
Back-cover main body；
Antenna body, the antenna body include first part, second part and two Part III, and the of the first part
Side and one end of the back-cover main body are separated by the first gap, and second side of the first part and the second part are logical
It crosses the second gap to separate, first side is opposite with described second side, and the first part includes being opened by third gap length
First sub- main body and the second sub- main body, one of them described Part III are connected to the described first sub- main body and the second part
Between, another described Part III is connected between the described second sub- main body and the second part；
The part of first frame, first frame is separated by the 4th gap and the third side of the first part, and described
Two parts are connect with first frame；
The part of second frame, second frame is separated by the 5th gap and the 4th side of the first part, and described
Three sides are opposite with the 4th side, and the second part is connect with second frame；
Elastic slice is fed, the feed elastic slice is connect with the described first sub- main body；And
Ground elastic slice is returned, described time ground elastic slice is connect with the feed elastic slice, and described time ground elastic slice is connect with the described second sub- main body；
Wherein, in first gap to the 5th gap fill insulant to form insulating layer.
2. terminal back-cover according to claim 1, which is characterized in that the second part is equipped with the 6th gap and the 7th
The one end in gap, the 6th gap is connected with second gap and, sixth gap opposite with the described first sub- main body
The other end extend on the second part far from the first part side；
The one end in the 7th gap is connected and opposite with the described second sub- main body with second gap, the 7th gap
The other end extends to the side on the second part far from the first part.
3. terminal back-cover according to claim 2, which is characterized in that filled in the 6th gap and the 7th gap
Insulating materials is to form insulating layer.
4. terminal back-cover according to claim 1, which is characterized in that the insulating layer connect the back-cover main body with it is described
First part, the first sub- main body and the described second sub- main body, first frame and the first part, second side
Frame and the first part and the first part and the second part.
5. terminal back-cover according to claim 3 or 4, which is characterized in that the insulating layer is expired with a thickness of H, the H
Foot: H >=1mm.
6. terminal back-cover according to claim 3 or 4, which is characterized in that the insulating materials uses nanometer Shooting Technique
It is integrated with the connection of the back-cover main body, the antenna body, first frame and second frame.
7. terminal back-cover according to claim 1, which is characterized in that the length of the second part is 0.25 λ, the λ
For the respective wavelength of 770MHz electromagnetic wave.
8. terminal back-cover according to claim 1, which is characterized in that the first sub- main body and the described second sub- main body
Shape is identical.
9. terminal back-cover according to claim 1, which is characterized in that first frame and second frame are and institute
State antenna body electric isolution.
10. terminal back-cover according to claim 1, which is characterized in that first frame and second frame by
Metal material is made.
11. terminal back-cover according to claim 1, which is characterized in that first frame and second frame are by non-
Metal material is made, and the spray coating of metalloid color is coated on first frame and second frame.
12. terminal back-cover according to claim 1, which is characterized in that the band limits of antenna body covering is
770MHz-2700MHz。
13. terminal back-cover according to claim 1, which is characterized in that the antenna body is located at the back-cover main body
Downside.
14. a kind of mobile terminal characterized by comprising
Terminal back-cover according to claim 1 to 13；
Circuit board, the circuit board include antenna feed point and circuit grounding point；
First conducting connecting part, first conducting connecting part are used to be electrically connected the institute of the antenna feed point and the terminal back-cover
State feed elastic slice；And
Second conducting connecting part, second conducting connecting part are used to be electrically connected the circuit grounding point and the terminal back-cover
Described time ground elastic slice.
15. mobile terminal according to claim 14, which is characterized in that further include: radio-frequency devices, the antenna feed point are set
It is placed on the radio-frequency devices, connects from the wireless signal that the radio-frequency devices issue from the antenna feed point by the first conduction
Fitting is coupled to the terminal back-cover, and launches.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610066323X | 2016-01-29 | ||
| CN201610066323 | 2016-01-29 |
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| CN105846054A CN105846054A (en) | 2016-08-10 |
| CN105846054B true CN105846054B (en) | 2019-02-22 |
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ID=56587204
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610153982.7A Active CN105846054B (en) | 2016-01-29 | 2016-03-17 | Terminal back-cover and mobile terminal |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680152B (en) * | 2016-03-11 | 2019-03-01 | 北京小米移动软件有限公司 | Terminal back-cover and its mobile terminal |
| CN108650818B (en) | 2016-08-16 | 2020-08-18 | Oppo广东移动通信有限公司 | Shell machining method, shell and mobile terminal |
| CN109873887A (en) * | 2016-08-25 | 2019-06-11 | Oppo广东移动通信有限公司 | Mobile terminal, housing unit and its manufacturing method |
| EP3288248B1 (en) * | 2016-08-25 | 2019-01-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd | Mobile terminal, housing component, and manufacturing method thereof |
| CN106332479B (en) * | 2016-08-25 | 2018-05-18 | 广东欧珀移动通信有限公司 | Mobile terminal, housing unit and its manufacturing method |
| CN108123221A (en) * | 2016-11-28 | 2018-06-05 | 北京小米移动软件有限公司 | Terminal shell and terminal |
| CN106898866B (en) * | 2017-02-21 | 2019-04-12 | 维沃移动通信有限公司 | A kind of processing method of slot antenna, slot antenna and mobile terminal |
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| CN103390793A (en) * | 2013-07-29 | 2013-11-13 | 苏州维特比信息技术有限公司 | Mobile terminal using metal frame antenna |
| CN204375911U (en) * | 2015-02-11 | 2015-06-03 | 深圳市艾尔瑞通讯科技有限公司 | The antenna arrangement structure of metal-back mobile phone |
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