CN1604390A - Printed circuit board antenna and electronic equipment having same - Google Patents
Printed circuit board antenna and electronic equipment having same Download PDFInfo
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- CN1604390A CN1604390A CN 200410090383 CN200410090383A CN1604390A CN 1604390 A CN1604390 A CN 1604390A CN 200410090383 CN200410090383 CN 200410090383 CN 200410090383 A CN200410090383 A CN 200410090383A CN 1604390 A CN1604390 A CN 1604390A
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- antenna
- circuit board
- main circuit
- ground plane
- electronic installation
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Abstract
This invention discloses a printing circuit plate antenna and its electron apparatus, which comprises the following steps: to locate a level antenna in the main circuit board inside the electron apparatus, wherein the antenna has one emitter to receive and send frequency signals using main circuit board as earth surface to provide needed eradiation gain effect; to a conductive pad at certain position to the antenna on the main circuit board, wherein the conductive pad is electrically connected with the earth surface of the main circuit board to make the conductive pad have the earth connection function; the antenna can generate a vertical polarized electricity wave through the conductive pad.
Description
Technical field
The electronic installation that the present invention relates to a kind of PCB antenna and have this PCB antenna refers to that especially a kind of antenna that makes has preferable perpendicular polarization electric wave, to strengthen the flat plane antenna of its radiation intensity.
Background technology
Continual renovation development along with electronics technology, occur various on the market for the individual telecommunications product of carrying and using, for example mobile phone, personal digital aid (PDA), palmtop computer or mobile computer etc., so that all functions such as management, mobile phone communication, two-way call and wireless network online that provide the user to carry out personal information, and by this type of powerful portable electronic product with the various affairs in instant processing daily life or the work, and the communication of carrying out various information with exchange.And aforementioned these telecommunications products generally are to see through radio wave to receive or transmit various instant messages, and therefore in the middle of this series products, antenna becomes one of wherein important element far and away.
But existing telecommunications product carrying for ease of the user, its fuselage is gradually towards compact and design, therefore the antenna space that is arranged on internal body also is severely limited step by step, can not take too big space, also can not reduce the effect of its communication.See also shown in Figure 1, for commonly using the schematic diagram that antenna is arranged at the inner main circuit board of electronic installation.As shown in the figure, this electronic installation mainly is to be example with the personal digital aid (PDA), existing antenna is for saving the usage space in electronic installation inside, taked antenna 2 ' directly is arranged on the main circuit board 1 ' of electronic installation inside with printing or etched mode, and this antenna 2 ' is mainly a kind of concealed one pole flat plane antenna, its feed side is arranged at the end of antenna 2 ', to link to each other with the signal transmission terminal of main circuit board 1 ', to reach the transmission radio-frequency (RF) signal.
Only, for above-mentioned flat plane antenna, because this flat plane antenna is to be horizontally placed on the main circuit board, make that flat plane antenna and ground plane are to be surface state altogether, therefore for this kind flat plane antenna, because its antenna is that level is in ground, make it have preferable horizontal polarization electric wave, but for the perpendicular polarization electric wave that can produce perpendicular to ground then because be subjected to antenna and ground is coplanar state, make that its perpendicular polarization electric wave is not easy to occur and produce, and the H-Plane of its antenna (magnetic field face) generally also can present relatively poor effect, and then makes the electromagnetic riveting machine signal reception and the transmission of this kind antenna can't reach preferableization.
Summary of the invention
The electronic installation that the main technical problem to be solved in the present invention provides a kind of PCB antenna and has this PCB antenna, mainly be on the main circuit board of electronic installation inside, to provide with the ground plane of antenna and main circuit board to be vertical ground plane mutually, so that antenna can produce the perpendicular polarization electric wave of preferableization.
The electronic installation that another technical problem that the present invention will solve provides a kind of PCB antenna and has this PCB antenna, this antenna can be strengthened the perpendicular polarization electric wave, uses the radiation efficiency and the gain that improve antenna.
For solving the problems of the technologies described above, the present invention proposes a kind of PCB antenna, it is horizontally disposed with an antenna on main circuit board, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, this antenna is as ground plane with main circuit board, so that the effect of the required radiation gain of antenna to be provided, wherein: be positioned on the main circuit board surface of antenna a distance a conducting strip is set, and be vertical mutually with the main circuit board surface and be provided with, and the ground plane on this conducting strip and the main circuit board is one and electrically conducts, and makes this conducting strip have the function of ground plane, and antenna can produce the perpendicular polarization electric wave of preferableization by the setting of this conducting strip.
Preferable, this conducting strip is made of a long vertical bar shape sheet metal.
The invention allows for a kind of PCB antenna, it is horizontally disposed with an antenna on main circuit board, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, this antenna with main circuit board as ground plane, so that the effect of the required radiation gain of antenna to be provided, wherein: main circuit board is provided with a masking device, its outward appearance is a lid, in order to cover the circuit or the electronic component that can produce noise or frequency electromagnetic waves on the main circuit board, reach the effect of covering noise or frequency electromagnetic waves, this masking device periphery extends respectively and is provided with a sidewall perpendicular to the main circuit board surface, and the ground plane on these sidewalls and the main circuit board is one and electrically conducts, make these sidewalls can become ground plane perpendicular to main circuit board, this antenna can produce the perpendicular polarization electric wave of preferableization thus by the formed ground plane of these sidewalls.
Preferable, this masking device is made by the metal material that is easy to conduct electricity.
The present invention has further proposed a kind of electronic installation with PCB antenna, it is horizontally disposed with an antenna on the inner set main circuit board of electronic installation, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, and this antenna is as ground plane with main circuit board, so that the effect of the required radiation gain of antenna to be provided, wherein: have a conducting strip perpendicular to the main circuit board surface on the main circuit board, and be one and electrically conduct with ground plane on the main circuit board, make this conducting strip can become ground plane perpendicular to main circuit board, make this antenna produce the perpendicular polarization electric wave of preferableization thus by the formed ground plane of this conducting strip.
Preferable, this conducting strip is made of a long vertical bar shape sheet metal.
Preferable, this electronic installation be mobile phone, personal digital aid (PDA), palmtop computer and mobile computer one of them.
The present invention has also proposed a kind of electronic installation with PCB antenna in addition, it is horizontally disposed with an antenna on the inner set main circuit board of electronic installation, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, and this antenna is as ground plane with main circuit board, so that the effect of the required radiation gain of antenna to be provided, it is characterized in that: main circuit board is provided with a masking device, this masking device periphery has a sidewall perpendicular to the setting of main circuit board surface, and the ground plane on this masking device and the main circuit board is one and electrically conducts, make this conducting strip can become ground plane perpendicular to main circuit board, make the sidewall formed ground plane of this antenna, produce the perpendicular polarization electric wave of preferableization by masking device.
Preferable, this masking device is made by the metal material that is easy to conduct electricity.
Preferable, this electronic installation be mobile phone, personal digital aid (PDA), palmtop computer and mobile computer one of them.
In sum, PCB antenna of the present invention, mainly on the main circuit board of electronic installation inside, be vertically installed with a conducting strip apart from antenna certain distance position, and make ground plane on conducting strip and the main circuit board be one to electrically conduct, make antenna be vertical mutually with the formed ground plane of this conducting strip, and then can produce a perpendicular polarization electric wave, and strengthen its magnetic field face (H-Plane), so that being provided, electronic installation has the usefulness of preferable reception and emission signal.
Description of drawings
Fig. 1 commonly uses the schematic diagram that antenna is arranged at the inner main circuit board of electronic installation.
Fig. 2 is the first enforcement illustration that flat plane antenna of the present invention is arranged at the inner main circuit board of electronic installation.
Fig. 3 is the second enforcement illustration that flat plane antenna of the present invention is arranged at the inner main circuit board of electronic installation.
Fig. 4 is PCB antenna of the present invention and commonly uses antenna emission receiving gain (S2 1) performance diagram of antenna in a certain position.
The drawing reference numeral explanation:
1 ' main circuit board goes out 2 ' antenna, 1 main circuit board
2 antennas, 20 emitters, 22 feed sides
3 conducting strips, 4 masking devices, 40 sidewalls
Embodiment
See also shown in Figure 2ly, implement illustration for flat plane antenna of the present invention is arranged at first of the inner main circuit board of electronic installation.As shown in the figure, the present invention mainly is when antenna 2 is horizontally placed on the inner set main circuit board of electronic installation 1 surperficial going up with printing or etching mode, be the copline state and cause the not good situation of magnetic field face (H-Plane) in order to the ground plane (not shown) that solves antenna 2 and main circuit board 1, the electronic installation that the front is narrated can be any portable electronic equipments such as mobile phone, personal digital aid (PDA), palmtop computer or mobile computer, and the described electronic installation of present embodiment then mainly is to be that example narrates with the personal digital aid (PDA).This antenna 2 has the emitter 20 that is a long vertical bar shape, this emitter 20 is directly constituted on main circuit board 1 surface in arbitrary modes such as printing or etchings, in order to the transmitting-receiving radio-frequency (RF) signal, then has a feed side 22 at emitter 20 ends in addition, be connected with the signal transmission terminal (not shown) on the main circuit board 1, use the transmission radio-frequency (RF) signal, wherein this antenna 2 mainly be ground plane with main circuit board 1 as ground plane, the effect of required radiation gain so that antenna 2 runnings to be provided; Wherein the present invention mainly is provided with the conducting strip 3 of a metal material on main circuit board 1 surface of distance antenna 2 one appropriate positions, this conducting strip 3 has certain height and its outward appearance is a long vertical bar shape, and be arranged at main circuit board 1 in mode perpendicular to main circuit board 1 surface and antenna 2, the present embodiment the best is to adopt the solid welding mode directly to be fixedly arranged on main circuit board 1 surface, and the ground plane on this conducting strip 3 and the main circuit board 1 is one and electrically conducts, so can make this conducting strip 3 have the effect on ground equally, make antenna 2 to produce the perpendicular polarization electric wave by the setting of this conducting strip 3; Person in addition, the distance of this conducting strip 3 and antenna 2, and conducting strip 3 is perpendicular to the height of main circuit board 1, the size of visual antenna 2 is done suitable adjustment, to reach preferable effect.
Generally speaking, when the electric field strength direction of antenna 2 during perpendicular to ground, the electric wave that it produced is referred to as the perpendicular polarization electric wave, and when the electric field strength direction of antenna 2 is parallel to ground, the electric wave that is produced is referred to as the horizontal polarization electric wave, but because the signal of horizontal polarization radio wave propagation can produce a polarization current on the ground when ground proximity, this polarization current is vulnerable to the impedance influences of the earth and produces heat energy, electric field signal is decayed rapidly, make the effect spread that has of signal be restricted, therefore, by the invention provides this conducting strip 3, make antenna 2 to produce a perpendicular polarization electric wave as its ground plane by this conducting strip 3, because the perpendicular polarization electric wave is difficult for producing polarization current when ground proximity, so can avoid the decay of its energy, make the effect spread that has of signal of electronic installation can reach optimization, and strengthen the radianting capacity of its magnetic field face (H-Plane).
See also shown in Figure 3ly, implement illustration for flat plane antenna of the present invention is arranged at second of the inner main circuit board of electronic installation.As shown in the figure, the present invention is vertical conducting strip 3 mutually except first embodiment as Fig. 2 directly is provided with one on the main circuit board 1 of electronic installation inside, outside ground plane use as antenna 2, can see through the source of the masking device 4 of original setting on the main circuit board 1 of electronic installation inside in addition as its vertical junction ground, in a second embodiment, be that an antenna 2 is set on the main circuit board 1 of electronic installation inside equally, this antenna 2 has the emitter 20 that is a long vertical bar shape, this emitter 20 is directly constituted on main circuit board 1 surface in arbitrary modes such as printing or etchings, in order to the transmitting-receiving radio-frequency (RF) signal, then has a feed side 22 at emitter 20 ends in addition, be connected with the signal transmission terminal on the main circuit board 1, use the transmission radio-frequency (RF) signal, wherein this antenna 2 mainly is as ground plane with main circuit board 1, so that the effect of required radiation gain of antenna when running to be provided, wherein main circuit board 1 is provided with a masking device 4, this masking device 4 is by the made lid of the metal material that is easy to conduct electricity, can be used to cover the circuit or the electronic component that can produce noise or frequency electromagnetic waves on the main circuit board 1, reach the effect of covering noise or frequency electromagnetic waves, to avoid influencing the running of other electron component or circuit, these masking device 4 peripheries have a sidewall 40 perpendicular to the setting of main circuit board surface, ground plane on this masking device 4 and main circuit board 1 is one and electrically conducts, use feasible masking device 4 sidewall 40 all around that is located on, can become with main circuit board 1 and be the ground plane of vertical aspect mutually, setting by this masking device 4, this antenna 2 can be by the sidewall 40 formed ground planes of masking device 4, produce the perpendicular polarization electric wave, make the effect spread that has of signal of electronic installation also can reach optimization.
Seeing also shown in Figure 4ly, is PCB antenna of the present invention and commonly use antenna emission receiving gain (S21) performance diagram of antenna in a certain position.As shown in the figure, wherein having leg-of-mutton curve is to commonly use the result that antenna measures, and there is not leg-of-mutton curve is the result that antenna of the present invention measured, can learn that by the result who is measured in this curve chart the present invention is between operation frequency range 2.4～2.5GHz, one conducting strip is being set with after as its ground plane, can obtain the reflection loss numerical value of low numerical value, so can make antenna have preferable effect in the radianting capacity of reception and emission signal.
The above person of thought, it only is a preferred embodiment of the present invention, be not to be used for limiting scope of the invention process, the equalization of doing according to the described shape of the present patent application claim, structure, feature and spirit changes and modifies such as, all should be included in the claim of the present invention.
Claims (10)
1, a kind of PCB antenna, it is horizontally disposed with an antenna on main circuit board, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, this antenna is as ground plane with main circuit board, so that the effect of the required radiation gain of antenna to be provided, it is characterized in that: be positioned on the main circuit board surface of antenna a distance a conducting strip is set, and be vertical mutually with the main circuit board surface and be provided with, and the ground plane on this conducting strip and the main circuit board is one and electrically conducts, make this conducting strip have the function of ground plane, antenna can produce the perpendicular polarization electric wave of preferableization by the setting of this conducting strip.
2, PCB antenna as claimed in claim 1 is characterized in that, this conducting strip is made of a long vertical bar shape sheet metal.
3, a kind of PCB antenna, it is horizontally disposed with an antenna on main circuit board, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, this antenna with main circuit board as ground plane, so that the effect of the required radiation gain of antenna to be provided, it is characterized in that: main circuit board is provided with a masking device, its outward appearance is a lid, in order to cover the circuit or the electronic component that can produce noise or frequency electromagnetic waves on the main circuit board, reach the effect of covering noise or frequency electromagnetic waves, this masking device periphery extends respectively and is provided with a sidewall perpendicular to the main circuit board surface, and the ground plane on these sidewalls and the main circuit board is one and electrically conducts, and makes these sidewalls can become the ground plane perpendicular to main circuit board, this antenna can produce the perpendicular polarization electric wave of preferableization thus by the formed ground plane of these sidewalls.
4, PCB antenna as claimed in claim 3 is characterized in that, this masking device is made by the metal material that is easy to conduct electricity.
5, a kind of electronic installation with PCB antenna, it is horizontally disposed with an antenna on the inner set main circuit board of electronic installation, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, and this antenna is as ground plane with main circuit board, so that the effect of the required radiation gain of antenna to be provided, it is characterized in that: have a conducting strip perpendicular to the main circuit board surface on the main circuit board, and be one and electrically conduct with ground plane on the main circuit board, make this conducting strip can become ground plane perpendicular to main circuit board, make this antenna produce the perpendicular polarization electric wave of preferableization thus by the formed ground plane of this conducting strip.
6, the electronic installation with PCB antenna as claimed in claim 5 is characterized in that, this conducting strip is made of a long vertical bar shape sheet metal.
7, the electronic installation with PCB antenna as claimed in claim 5 is characterized in that, this electronic installation be mobile phone, personal digital aid (PDA), palmtop computer and mobile computer one of them.
8, a kind of electronic installation with PCB antenna, it is horizontally disposed with an antenna on the inner set main circuit board of electronic installation, this antenna has an emitter, in order to the transmitting-receiving radio-frequency (RF) signal, and this antenna is as ground plane with main circuit board, so that the effect of the required radiation gain of antenna to be provided, it is characterized in that: main circuit board is provided with a masking device, this masking device periphery has a sidewall perpendicular to the setting of main circuit board surface, and the ground plane on this masking device and the main circuit board is one and electrically conducts, make this conducting strip can become ground plane perpendicular to main circuit board, make the sidewall formed ground plane of this antenna, produce the perpendicular polarization electric wave of preferableization by masking device.
9, the electronic installation with PCB antenna as claimed in claim 8 is characterized in that, this masking device is made by the metal material that is easy to conduct electricity.
10, the electronic installation with PCB antenna as claimed in claim 8 is characterized in that, this electronic installation be mobile phone, personal digital aid (PDA), palmtop computer and mobile computer one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410090383 CN1604390A (en) | 2004-11-12 | 2004-11-12 | Printed circuit board antenna and electronic equipment having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410090383 CN1604390A (en) | 2004-11-12 | 2004-11-12 | Printed circuit board antenna and electronic equipment having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1604390A true CN1604390A (en) | 2005-04-06 |
Family
ID=34667193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410090383 Pending CN1604390A (en) | 2004-11-12 | 2004-11-12 | Printed circuit board antenna and electronic equipment having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1604390A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378420A (en) * | 2012-04-28 | 2013-10-30 | 国基电子（上海）有限公司 | Antenna system |
-
2004
- 2004-11-12 CN CN 200410090383 patent/CN1604390A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378420A (en) * | 2012-04-28 | 2013-10-30 | 国基电子（上海）有限公司 | Antenna system |
| TWI487191B (en) * | 2012-04-28 | 2015-06-01 | Hon Hai Prec Ind Co Ltd | Antenna system |
| CN103378420B (en) * | 2012-04-28 | 2016-06-08 | 国基电子（上海）有限公司 | Antenna system |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |