CN202352828U - Planar single-pole built-in antenna working in ultra high frequency (UHF) full band - Google Patents
Planar single-pole built-in antenna working in ultra high frequency (UHF) full band Download PDFInfo
- Publication number
- CN202352828U CN202352828U CN201120425818XU CN201120425818U CN202352828U CN 202352828 U CN202352828 U CN 202352828U CN 201120425818X U CN201120425818X U CN 201120425818XU CN 201120425818 U CN201120425818 U CN 201120425818U CN 202352828 U CN202352828 U CN 202352828U
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- metal plate
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Abstract
The utility model relates to a built-in antenna, and provides a planar single-pole built-in antenna working in an ultra high frequency (UHF) full band, which comprises a printed circuit board (PCB) and a rectangular block-shaped metal plate used as an antenna radiating body, wherein the metal plate is welded on an antenna interface of the PCB; and one or multiple grooves arrayed in parallel at equal intervals are arranged on the metal plate. When the size of the PCB is 55 multiplied by 50 square millimeters, a groove of which the size is 47 multiplied by 2 multiplied by 0.5 cubic millimeters is arranged at one end of the metal plate. When multiple grooves are arranged on the metal plate, the distance between adjacent grooves is 3mm and two adjacent grooves are respectively arranged at two opposite ends of the metal plate in a staggered manner. The planar single-pole built-in antenna is applied to receivers and emitters of television signals, electronic devices of wireless communication equipment, and the like.
Description
Technical field
The utility model relates to a kind of built-in aerial of the UHF of being operated in full frequency band, relates in particular to a kind of planar monopole miniaturization wide frequency antenna.
Background technology
For the electronic installation (for example Wireless Telecom Equipment) that application has the antenna relevant design, along with the trend of electronic installation microminiaturization and design simplification, comprising that the various assembly volumes of built-in antenna are corresponding also has microminiaturized and a standardized demand.Because frequency and wavelength are inversely proportional to; The bandwidth and the gain of antenna are inversely proportional to, and the low more length requirement of antenna that requires of frequency is long more, and antenna must possess certain service behaviour requirement; And be to keep specific voltage standing wave ratio (Voltage Standing Wave Ratio; VSWR), bandwidth and gain to be to meet the industry specification standards, antenna must have certain dimensions length, to meet the demand of particular job frequency band.But dwindling of antenna volume except that causing structure to be difficult for also can causing the complexity of circuit design on it design.
The utility model content
The utility model technical problem to be solved is; Provide a kind of and can be operated in that UHF full frequency band, circuit design are simple, the planar monopole built-in aerial of designs simplification; Improve the antenna shapes structure, make antenna flattening, miniaturization, it is met settle the confined space that antenna limited.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of planar monopole built-in aerial; Comprise the PCB circuit board and as the rectangular block shape metallic plate of antenna radiator; Said metallic plate is welded in the antennal interface of PCB circuit board, offers 1 or many grooves that equidistant parallel is arranged on the said metallic plate.
Further, be of a size of 55*50 mm when the PCB circuit board
2The time, offer groove from an end of metallic plate, the size of groove is 47*2*0.5mm
3
Further, when offering many grooves on the said metallic plate, the distance of adjacent slot is 3mm.
Further, when offering many grooves on the said metallic plate, adjacent slot is offered from the relative two ends of metallic plate are staggered respectively.
Compared with prior art, its advantage of the utility model is: adopt the planar monopole built-in aerial, on the metallic plate as antenna radiator, offer 1 or many grooves that equidistant parallel is arranged, circuit design is simple, designs simplification; Improve the contour structures of original antenna, make antenna miniaturization, it is met settle the space that antenna limited.
Description of drawings
Fig. 1 is the structure chart of unipole antenna among the embodiment of the utility model.
Fig. 2 is the standing wave pattern of unipole antenna among the embodiment of the utility model.
Fig. 3 is the sketch map of the embodiment 1 midplane antenna (not offering groove) of the utility model.
Fig. 4 is the standing wave pattern of the embodiment 1 midplane antenna (not offering groove) of the utility model.
Fig. 5 is the sketch map of the embodiment 1 midplane antenna (offering a groove) of the utility model.
Fig. 6 is the standing wave pattern of the embodiment 1 midplane antenna (offering a groove) of the utility model.
Fig. 7 is the sketch map of the embodiment 2 midplane antennas (offering two grooves) of the utility model.
Fig. 8 is the standing wave pattern of the embodiment 2 midplane antennas (offering two grooves) of the utility model.
Embodiment
Combine accompanying drawing and embodiment that the utility model is further specified at present.
Ideal antenna generally designs at 1/4th of wavelength, and the frequency range of the utility model is 500MHz-800MHz, get wherein between frequency, i.e. 650MHz, calculating its quarter-wave is 10cm.
Under the situation of using unipole antenna, use a lead to place 55*50 mm
2The PCB circuit board on as antenna radiator, its length is 105mm, its structure chart is as shown in Figure 1; Standing wave pattern is as shown in Figure 2, at VSWR<3 bandwidth is 510-800MHz; In frequency is the field pattern of 660MHz, and its gain is: 0.4381.
With length under the above-mentioned perfect condition is that to narrow down to area be 25*50 mm for the antenna size of 10cm
2Within; The conventional method of utilization can't realize; The technical scheme that the utility model adopted is: a kind of planar monopole built-in aerial comprises the PCB circuit board and as the rectangular block shape metallic plate of antenna radiator, said metallic plate is welded in the antennal interface of PCB circuit board; Offer 1 or many grooves that equidistant parallel is arranged on the said metallic plate, adjust frequency and bandwidth.
With above-mentioned 55*50 mm
2The PCB circuit board be example, as shown in Figure 3, as the metallic plate of antenna radiator, area 50*25*0.5mm
3, when not offering groove, the frequency that is produced is 1.35 GHz, its standing wave pattern is seen Fig. 4.
As shown in Figure 5, offer a groove from an end of metallic plate, the size of groove is 47*2*0.5mm
3, the frequency that is produced is 0.85GHz, and antenna-path has increased 33.3mm, and its standing wave pattern is seen Fig. 6.
Embodiment 2
Adopt like embodiment 1 described PCB circuit board with as the metallic plate of antenna radiator, offer article one groove from an end of metallic plate, the size of groove is 47*2*0.5mm
3, as shown in Figure 7, offer parallel with article one groove, staggered second groove from the relative other end of metallic plate, the distance of article one groove and second groove is 3mm, and its standing wave pattern is seen Fig. 8, and this moment is at VSWR<2.5 under the condition, bandwidth 450MHz-870MHz, VSWR<under 3 conditions, bandwidth more can reach 420MHz-920MHz, realizes UHF broadband miniature antenna; In frequency is the field pattern of 660MHz, and its gain is: 0.15.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the utility model that does not break away from appended claims and limited; Can make various variations to the utility model in form with on the details, be the protection range of the utility model.
Claims (4)
1. planar monopole built-in aerial that is operated in the UHF full frequency band; Comprise the PCB circuit board and as the rectangular block shape metallic plate of antenna radiator; Said metallic plate is welded in the antennal interface of PCB circuit board, it is characterized in that: offer 1 or many grooves that equidistant parallel is arranged on the said metallic plate.
2. the planar monopole built-in aerial that is operated in the UHF full frequency band according to claim 1 is characterized in that: when the PCB circuit board is of a size of 55*50 mm
2The time, offer groove from an end of metallic plate, the size of groove is 47*2*0.5mm
3
3. the planar monopole built-in aerial that is operated in the UHF full frequency band according to claim 1 is characterized in that: when offering many grooves on the said metallic plate, the distance of adjacent slot is 3mm.
4. the planar monopole built-in aerial that is operated in the UHF full frequency band according to claim 1 is characterized in that: when offering many grooves on the said metallic plate, adjacent slot is offered from the relative two ends of metallic plate are staggered respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120425818XU CN202352828U (en) | 2011-11-01 | 2011-11-01 | Planar single-pole built-in antenna working in ultra high frequency (UHF) full band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120425818XU CN202352828U (en) | 2011-11-01 | 2011-11-01 | Planar single-pole built-in antenna working in ultra high frequency (UHF) full band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202352828U true CN202352828U (en) | 2012-07-25 |
Family
ID=46541798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120425818XU Expired - Fee Related CN202352828U (en) | 2011-11-01 | 2011-11-01 | Planar single-pole built-in antenna working in ultra high frequency (UHF) full band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202352828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293844A (en) * | 2016-03-31 | 2017-10-24 | 宇龙计算机通信科技(深圳)有限公司 | A kind of antenna |
-
2011
- 2011-11-01 CN CN201120425818XU patent/CN202352828U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293844A (en) * | 2016-03-31 | 2017-10-24 | 宇龙计算机通信科技(深圳)有限公司 | A kind of antenna |
| CN107293844B (en) * | 2016-03-31 | 2020-12-22 | 宇龙计算机通信科技(深圳)有限公司 | Antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN AUBEST?INDUSTRY CO.,?LTD. Free format text: FORMER OWNER: XIAMEN AUBEST?INFORMATION TECHNOLOGY CO., LTD. Effective date: 20141222 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141222 Address after: Siming District of Jiahe city Xiamen road 361000 Fujian province No. 265 unit two 12E Patentee after: Xiamen Aubest?Industry Co.,?Ltd. Address before: Siming District of Jiahe city Xiamen road 361000 No. 265 unit of Fujian province 12E Patentee before: Aubest (Xiamen) Information Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20151101 |
|
| EXPY | Termination of patent right or utility model |