CN100569059C - Electronic installation with wireless communication function - Google Patents
Electronic installation with wireless communication function Download PDFInfo
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- CN100569059C CN100569059C CNB2005101050140A CN200510105014A CN100569059C CN 100569059 C CN100569059 C CN 100569059C CN B2005101050140 A CNB2005101050140 A CN B2005101050140A CN 200510105014 A CN200510105014 A CN 200510105014A CN 100569059 C CN100569059 C CN 100569059C
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Abstract
A kind of electronic installation with wireless communication function, it comprises first circuit board and second circuit board.First circuit board has first feed-in cushion and the first short circuit pad at its first surface, and has signal conductor and access area, and wherein first feed-in cushion is electrically connected to signal conductor, and the first short circuit pad is electrically connected to the access area.In addition, second circuit board has second feed-in cushion and the second short circuit pad at its second surface, and second surface is faced mutually with first surface, has radiation conductor at second circuit board with respect to the 3rd surface of second surface, wherein second feed-in cushion is electrically connected to radiation conductor, and be engaged to first feed-in cushion, and the second short circuit pad is electrically connected to radiation conductor, and be engaged to the first short circuit pad.
Description
Technical field
The present invention relates to a kind of electronic installation, and be particularly related to a kind of electronic installation with wireless communication function.
Background technology
In recent years, along with advancing by leaps and bounds of electronics technology, the size of electronic installation and electronic component is all more and more littler.With regard to wireless telecommunications science and technology, in order to satisfy the demand of microminiaturized (miniaturization) and efficient resonance frequency range (large effect resonant bandwidth), the antenna (antenna) that is applied in wireless communication function must reduce dimensionally, and improves on usefulness.
A kind of known traditional antenna normally directly is printed on the mainboard (motherboard), or is connected to mainboard by extra outstanding sheet metal from antenna itself.Yet above-mentioned traditional antenna still has bigger size or occupies bigger space, and also not satisfactory on usefulness.
In order to reduce the size of antenna, known technology also develops and a kind of planar inverted F-shape antenna (PlanerInverted-F Antenna is hereinafter to be referred as PIFA).Above-mentioned PIFA comprises radiation fin (radiatingpatch), feed-in passage (feed via), short-channel (shorting via) and ground plane (groundplane), wherein radiation fin is the signal source (for example signal conductor) that is connected to mainboard by the feed-in passage, and is connected to ground plane by short-channel.
With regard to a kind of known PIFA, the radiation fin of PIFA, short-channel and ground plane are made of single metalwork, owing to must have default spacing between radiation fin and the ground plane, so when the ground plane with metalwork is engaged to circuit board, if desire improves the operation frequency range of this PIFA, then must increase the spacing between radiation fin and the ground plane, the thickness of electronic installation is improved, this will be unfavorable for the thinning of electronic installation.
Summary of the invention
Purpose of the present invention just provides a kind of electronic installation with wireless communication function, in order to improve the frequency range of its wireless telecommunications.
Another object of the present invention provides a kind of electronic installation with wireless communication function, in order to reduce the thickness of its antenna element.
Based on above-mentioned purpose of the present invention or other purpose, the present invention proposes a kind of electronic installation with wireless communication function, and it comprises first circuit board and second circuit board.First surface at first circuit board has first feed-in cushion and the first short circuit pad, and has signal conductor and access area, and wherein first feed-in cushion is electrically connected to signal conductor, and the first short circuit pad is electrically connected to the access area.In addition, second surface at second circuit board has second feed-in cushion and the second short circuit pad, and second surface is faced mutually with first surface, has radiation conductor at second circuit board with respect to the 3rd surface of second surface, wherein second feed-in cushion is electrically connected to radiation conductor, and be engaged to first feed-in cushion, and the second short circuit pad is electrically connected to radiation conductor, and be engaged to the first short circuit pad.Wherein, this first circuit board also has the first feed-in passage, and this first feed-in cushion is electrically connected to this signal conductor via this first feed-in passage, this first circuit board also has first short-channel, and this first short circuit pad is electrically connected to this access area via this first short-channel, this second circuit board also has the second feed-in passage, and this second feed-in cushion is electrically connected to this radiation conductor via this second feed-in passage, this second circuit board also has second short-channel, and this second short circuit pad is electrically connected to this radiation conductor via this second short-channel.
Described according to embodiments of the invention, above-mentioned access area can be positioned at the 4th surface with respect to first surface of first circuit board.
Described according to embodiments of the invention, the mode that above-mentioned second feed-in cushion can weld is engaged to first feed-in cushion.In addition, the mode that then can weld of the above-mentioned second short circuit pad is engaged to the first short circuit pad.
Described according to embodiments of the invention, the mode that above-mentioned second circuit board can also weld is arranged on the first surface of first circuit board.
Described according to embodiments of the invention, above-mentioned signal conductor can be the high-frequency signal lead, and is electrically connected to the high-frequency signal district of first circuit board.
Based on the above, the present invention is that a plurality of elements with PIFA are integrated into two overlapping circuit boards, and make maximum spacing between radiation conductor and the access area (being the ground plane of known PIFA) can equal these circuit boards thickness and, and can change spacing between radiation fin and the access area by the thickness of adjusting these circuit boards, to reach required operation frequency range.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is a kind of part three-dimensional exploded view with electronic installation of wireless communication function of embodiments of the invention.
Fig. 2 is the part three-dimensional combination figure of the electronic installation of Fig. 1.
The explanation of main element component labelling
100: electronic installation
110: first circuit board
110a: first surface
110b: the 4th surface
112a: first feed-in cushion
112b: the first short circuit pad
114: signal conductor
116: the access area
118a: the first feed-in passage
118b: first short-channel
120: second circuit board
120a: second surface
120b: the 3rd surface
122a: second feed-in cushion
122b: the second short circuit pad
124: radiation conductor
128a: the second feed-in passage
128b: second short-channel
Embodiment
Fig. 1 is a kind of part three-dimensional exploded view with electronic installation of wireless communication function of embodiments of the invention, and Fig. 2 is the part three-dimensional combination figure of the electronic installation of Fig. 1.Please refer to Fig. 1 and Fig. 2, the electronic installation with wireless communication function 100 of present embodiment comprises first circuit board 110 and second circuit board 120, wherein first circuit board 110 can be used as component carrier (component carrier), and second circuit board 120 then is as antenna element (antenna component).
The first surface 110a of first circuit board 110 has first feed-in cushion (feed pad) 112a and the first short circuit pad (shorting pad) 112b.In addition, first circuit board 110 also has signal conductor 114, and the first feed-in cushion 112a also is electrically connected to signal conductor 114.Above-mentioned signal conductor 114 is the high-frequency signal lead for example, and is electrically connected to the high-frequency signal district (not shown) of first circuit board 110.For the first feed-in cushion 112a is electrically connected to signal conductor 114, first circuit board 110 also can have the first feed-in passage (feed via) 118a, and the first feed-in cushion 112a is electrically connected to signal conductor 114 via the first feed-in passage 118a.
The second surface 120a of second circuit board 120 has the second feed-in cushion 122a and the second short circuit pad 122b, and wherein the surperficial 120a of second circuit board 120 is the first surface 110a with respect to first circuit board 110.In addition, second circuit board 120 also has radiation conductor (radiating patch) 124 with respect to the 3rd surperficial 120b of second surface 120a, and the second feed-in cushion 122a also is electrically connected to radiation conductor 124.In the present embodiment, radiation conductor 124 can curved shape or other shape, and the shape of radiation conductor 124 or pattern will be made decision according to the required usefulness of wireless telecommunications.
For the second feed-in cushion 122a is electrically connected to radiation conductor 124, second circuit board 120 also can have the second feed-in passage 128a, and the second feed-in cushion 122a is electrically connected to radiation conductor 124 via the second feed-in passage 128a.In addition, for the second short circuit pad 122b is electrically connected to radiation conductor 124, second circuit board 120 also has the second short-channel 128b, and the second short circuit pad 122b is electrically connected to radiation conductor 124 via the second short-channel 128b.
Be arranged on when second circuit board 120 on the first surface 110a of first circuit board 110, and when the second surface 120a of second circuit board 120 fits in the first surface 110a of first circuit board 110, the second feed-in cushion 122a is engaged to the first feed-in cushion 112a, and the second short circuit pad 122b also is engaged to the first short circuit pad 112b.In the present embodiment, second circuit board 120 can be arranged at the first surface 110a of first circuit board 110 by the mode of welding, and the second feed-in cushion 122a also can be engaged to the first feed-in cushion 112a by the mode of welding, and the second short circuit pad 122b also can be engaged to the first short circuit pad 112b by the mode of welding.
After second circuit board 120 was assembled to first circuit board 110, radiation conductor 124 can be successively via the second feed-in passage 128a, the second feed-in cushion 122a, the first feed-in cushion 112a and the first feed-in passage 118a, and be electrically connected to signal conductor 114.Simultaneously, radiation conductor 124 also can be successively via the second short-channel 128b, the second short circuit pad 122b, the first short circuit pad 112b and the first short-channel 118b, and be electrically connected to access area 116.
In sum, with a kind of known radiation fin, short-channel and ground plane that constitutes PIFA with metalwork, and the design form that is engaged to circuit board with the ground plane of metalwork is compared, the present invention is that a plurality of elements with PIFA are integrated into two overlapping circuit boards, and make maximum spacing between radiation conductor and the access area (being the ground plane of known PIFA) can equal these circuit boards thickness and, and can change spacing between radiation fin and the access area by the thickness of adjusting these circuit boards, to reach required operation frequency range.
In addition, the present invention also can be located at the access area inside of circuit board, or is located at the one side of this circuit board.Under situation with same operation frequency range, to compare with known design with PIFA of metalwork, the spacing between radiation conductor of the present invention and the access area is less, thereby helps the thinning of electronic installation.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the present invention; when can doing a little change and improvement, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (6)
1. electronic installation with wireless communication function is characterized in that comprising:
First circuit board has signal conductor and access area, has first feed-in cushion and the first short circuit pad at the first surface of this first circuit board, and wherein this first feed-in cushion is electrically connected to this signal conductor, and this first short circuit pad is electrically connected to this access area; And
Second circuit board, second surface at this second circuit board has second feed-in cushion and the second short circuit pad, and this second surface is faced mutually with this first surface, has radiation conductor at this second circuit board with respect to the 3rd surface of this second surface, wherein this second feed-in cushion is electrically connected to this radiation conductor, and is engaged to this first feed-in cushion, and this second short circuit pad is electrically connected to this radiation conductor, and be engaged to this first short circuit pad
Wherein, this first circuit board also has the first feed-in passage, and this first feed-in cushion is electrically connected to this signal conductor via this first feed-in passage, this first circuit board also has first short-channel, and this first short circuit pad is electrically connected to this access area via this first short-channel, this second circuit board also has the second feed-in passage, and this second feed-in cushion is electrically connected to this radiation conductor via this second feed-in passage, this second circuit board also has second short-channel, and this second short circuit pad is electrically connected to this radiation conductor via this second short-channel.
2. the electronic installation with wireless communication function according to claim 1 is characterized in that this access area is positioned at four surface of this first circuit board with respect to this first surface.
3. the electronic installation with wireless communication function according to claim 1 is characterized in that this second feed-in cushion is soldered to this first feed-in cushion.
4. the electronic installation with wireless communication function according to claim 1 is characterized in that this second short circuit pad is soldered to this first short circuit pad.
5. the electronic installation with wireless communication function according to claim 1 is characterized in that this second circuit board is soldered to this first surface of this first circuit board.
6. the electronic installation with wireless communication function according to claim 1 is characterized in that this signal conductor is the high-frequency signal lead, and is electrically connected to the high-frequency signal district of this first circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101050140A CN100569059C (en) | 2005-09-26 | 2005-09-26 | Electronic installation with wireless communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101050140A CN100569059C (en) | 2005-09-26 | 2005-09-26 | Electronic installation with wireless communication function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1942090A CN1942090A (en) | 2007-04-04 |
| CN100569059C true CN100569059C (en) | 2009-12-09 |
Family
ID=37959742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101050140A Active CN100569059C (en) | 2005-09-26 | 2005-09-26 | Electronic installation with wireless communication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100569059C (en) |
-
2005
- 2005-09-26 CN CNB2005101050140A patent/CN100569059C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1942090A (en) | 2007-04-04 |
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| C14 | Grant of patent or utility model | ||
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