CN201490330U - Beam-adjustable circularly polarized antenna applicable to electronic toll collection - Google Patents
Beam-adjustable circularly polarized antenna applicable to electronic toll collection Download PDFInfo
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- CN201490330U CN201490330U CN200920106680XU CN200920106680U CN201490330U CN 201490330 U CN201490330 U CN 201490330U CN 200920106680X U CN200920106680X U CN 200920106680XU CN 200920106680 U CN200920106680 U CN 200920106680U CN 201490330 U CN201490330 U CN 201490330U
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Abstract
The utility model discloses a beam-adjustable circularly polarized antenna applicable to electronic toll collection, which belongs to the field of non-contact toll collection systems. The antenna comprises a circularly polarized microstrip antenna array, beam adjustors, a grounding plate and connectors, and is mounted on a base plate; one side of a double-sided copper-clad single-layer microstrip plate is provided with the grounding plate of the antenna, and the other side of the double-sided copper-clad single-layer microstrip plate is provided with radiating units and a feed network; and the beam adjusters are fixed around the circularly polarized microstrip antenna array, and are height-adjustable reflectors. The antenna adopts the double-feed circularly polarized microstrip patch antennas as basic radiating units, a 2 multiplied by 2 array in total, 90-degree phase difference sequence feeds are arranged between the units of the array, and the free adjustment of the beam width of the antenna is successfully realized by adding the height-adjustable reflectors around the antenna. Compared with the conventional ETC antenna, the utility model has the advantages of beam adjustability, simple structure, easy processing, low cost and the like, and can be widely adopted by the communication field and the broadcasting field.
Description
Technical field
The utility model belongs to contactless Fare Collection System field, particularly is applicable to a kind of circular-polarization antenna with adjustable beam that is applicable to electronic charging of ETC E-payment system.
Background technology
E-payment system ETC (Electronic Toll Collection) requires track of covering strict about sphere of action, and the front and back coverage is an elliptical region of 5～10 meters.Because influences such as system design, installation environment, common ETC antenna, be generally micro-strip paster antenna, the form of unit is rectangle or circle, and circular polarization is produced by phase quadrature two point feed, and array is homophase or sequence feed, for increasing bandwidth and tolerance, adopt double-layer paster, the E of antenna, H ground roll bundle are fixed, and can't satisfy the adjustable requirement in systemic effect zone.
Summary of the invention:
The purpose of this utility model is to adopt double-layer paster at ETC antenna common in the prior art, the E of antenna, H ground roll bundle are fixed, can't satisfy the deficiency of the adjustable requirement in systemic effect zone, a kind of circular-polarization antenna with adjustable beam that is applicable to electronic charging is provided, it is characterized in that, the described circular-polarization antenna with adjustable beam of electronic charging that is applicable to comprises circular polarization microstrip antenna array, wave beam adjusting device, ground plate and joint, and is installed on the base plate; Described circular polarization microstrip antenna array is the ground plate of antenna in the one side of double-sided copper-clad single layer microstrip plate, and another side is radiating element and sequence feeding network; The wave beam adjusting device is fixed on around the circular polarization microstrip antenna array.
The adjustable circular polarization microstrip antenna array of described wave beam connects 90 degree phase difference two point feeds for the sequence feeding network, and 90 degree phase difference two point feeds connect radiating element, constitute the circular polarization microstrip antenna array feeding network of 2 * 2 arrays.
Described radiating element adopts rectangle or circular patch form, and two point feed, the phase difference of feed are 90 degree.
Described wave beam adjusting device installs the fixation reflex plate that becomes 25 °～75 ° of inclinations with the base plate of antenna additional around antenna array, fixedly chute is arranged on the fixation reflex plate, installs the adjustable metal reflecting plate on chute additional.
Fixedly chute on the described reflecting plate also is a plurality of regularly arranged ground fixing hole, or the telescope support form.
Described base plate is that a metallic plate or pcb board cover the copper layer, and is processed with and the corresponding installing hole of the ground plate of antenna.
Described joint is SMA, N type or cable, and joint is installed in the base plate back side.
The beneficial effects of the utility model are by installing adjustable for height reflecting plate additional around antenna, successful realization the free adjustment of antenna beamwidth.Compare with traditional E TC antenna, have adjustable, simple in structure, the easy processing of wave beam, low cost and other advantages, will be adopted in a large number at communication field.Overcome traditional ETC antenna, adopt the form of micro-strip paster antenna, do not have adjustable structure, have the fixing shortcoming of wave beam, can't satisfy the adjustable requirement in ETC systemic effect zone.
Description of drawings
Fig. 1 is an antenna structure view.
Fig. 2 is the antenna rearview.
Fig. 3 is the microstrip antenna array schematic diagram.
Embodiment
The utility model provides a kind of circular-polarization antenna with adjustable beam that is applicable to electronic charging.Below in conjunction with accompanying drawing the utility model is illustrated.
Figure 1 shows that antenna structure view.Among the figure, the one side of the double-sided copper-clad single layer microstrip plate on base plate 1 is the ground plate of antenna, another side is that radiating element 3,90 degree phase difference two point feeds 4 and sequence feeding network 5 constitute circular polarization microstrip antenna array feeding network (as shown in Figure 3), network using microstrip line form, the phase difference of feed are 0 degree homophase feed or 90 degree sequence feeds.The present invention adopt be fixed on around the circular polarization microstrip antenna array, (looking the covering adjusting range comes calmly with 1 one-tenths inclination certain angle of base plate of antenna, generally at 25 °～75 °) fixation reflex plate 6, on the fixation reflex plate, be processed with fixedly chute 8, install adjustable metal reflecting plate 9 on chute additional, the fixedly chute 8 on the described reflecting plate 6 also is a plurality of regularly arranged ground fixing hole 7; By the adjusting of adjustable metal reflecting plate position on chute, the beamwidth of realizing antenna is the cover width about the track; By the adjusting of pitching face, regulate before and after the track 5～10 meters overlay length and about 2～5 meters cover width.Joint 2 is installed in the base plate back side.Joint adopts SMA, N type or cable, by 50 Ω impedance matching conversion (as shown in Figure 2).Described base plate 1 is that a metallic plate or pcb board cover the copper layer, well contacts with the ground plate of microstrip antenna, and is processed with and the corresponding installing hole of the ground plate of antenna.
Wave beam is adjustable, and the circular polarization microstrip antenna functional description is as follows:
The utility model adopts the circularly polarization microstrip patch antenna of two point feed as basic radiating element, totally 2 * 2 arrays, 90 degree phase difference sequence feeds between array element, the foreign frequency signal passes through feeding network by the joint feed-in, the sequence phase that forms 90 degree is poor, each radiating element 3 of constant amplitude feed-in, each place, unit, the signal constant amplitude is divided into two, form the phase difference feed-in radiating elements of 90 degree, after the reflection of wave beam adjusting device to space radiation.
In sum, the utility model adopts little band individual layer paster antenna, successfully realizes simple in structure, easy processing, the low cost of antenna. By the two point feed, the broadband of unit, wide angle circular polarisation performance have been realized. By the sequence feed of array, realized the broadband and wideangle circular polarisation performance of whole aerial array. By the wave beam adjusting device, successfully realized independent, the free adjustment of orientation, pitching ground roll beam width. The utility model can be widely used in communication, broadcast world, compares with traditional antenna, has adjustable this outstanding advantages of wave beam.
Claims (7)
1. a circular-polarization antenna with adjustable beam that is applicable to electronic charging is characterized in that, the described circular-polarization antenna with adjustable beam of electronic charging that is applicable to comprises circular polarization microstrip antenna array, wave beam adjusting device, ground plate and joint, and is installed on the base plate; Described circular polarization microstrip antenna array is the ground plate of antenna in the one side of double-sided copper-clad single layer microstrip plate, and another side is radiating element and sequence feeding network; The wave beam adjusting device is fixed on around the circular polarization microstrip antenna array.
2. according to the described circular-polarization antenna with adjustable beam that is applicable to electronic charging of claim 1, it is characterized in that, the adjustable circular polarization microstrip antenna array of described wave beam connects 90 degree phase difference two point feeds for the sequence feeding network, 90 degree phase difference two point feeds connect radiating element, constitute the circular polarization microstrip antenna array feeding network of 2 * 2 arrays.
3. according to claim 1 or the 2 described circular-polarization antenna with adjustable beam that are applicable to electronic charging, it is characterized in that described radiating element adopts rectangle or circular patch form, two point feed, the phase difference of feed are 90 degree.
4. according to the described circular-polarization antenna with adjustable beam that is applicable to electronic charging of claim 1, it is characterized in that, described wave beam adjusting device, around antenna array, install the fixation reflex plate that becomes 25 °～75 ° of inclinations with the base plate of antenna additional, fixedly chute is arranged on the fixation reflex plate, on chute, install the adjustable metal reflecting plate additional.
5. according to the described circular-polarization antenna with adjustable beam that is applicable to electronic charging of claim 4, it is characterized in that the fixedly chute on the described fixation reflex plate also is a plurality of regularly arranged ground fixing hole, or the telescope support form.
6. according to the described circular-polarization antenna with adjustable beam that is applicable to electronic charging of claim 1, it is characterized in that described base plate is that a metallic plate or pcb board cover the copper layer, and is processed with and the corresponding installing hole of the ground plate of antenna.
7. according to the described circular-polarization antenna with adjustable beam that is applicable to electronic charging of claim 1, it is characterized in that described joint is SMA, N type or cable, joint is installed in the base plate back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106680XU CN201490330U (en) | 2009-04-02 | 2009-04-02 | Beam-adjustable circularly polarized antenna applicable to electronic toll collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106680XU CN201490330U (en) | 2009-04-02 | 2009-04-02 | Beam-adjustable circularly polarized antenna applicable to electronic toll collection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490330U true CN201490330U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920106680XU Expired - Fee Related CN201490330U (en) | 2009-04-02 | 2009-04-02 | Beam-adjustable circularly polarized antenna applicable to electronic toll collection |
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| CN (1) | CN201490330U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394360A (en) * | 2011-06-29 | 2012-03-28 | 北京航空航天大学 | Low-sidelobe circular polarized microstrip array antenna applied to electronic toll collection system |
| CN106463841A (en) * | 2014-02-19 | 2017-02-22 | 华为技术有限公司 | Dual vertical beam cellular array |
| CN110419144A (en) * | 2017-11-08 | 2019-11-05 | 深圳市大疆创新科技有限公司 | Antenna element and aerial array |
| CN112086745A (en) * | 2020-09-30 | 2020-12-15 | 广州市埃特斯通讯设备有限公司 | ETC antenna fused with V2X equipment |
-
2009
- 2009-04-02 CN CN200920106680XU patent/CN201490330U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394360A (en) * | 2011-06-29 | 2012-03-28 | 北京航空航天大学 | Low-sidelobe circular polarized microstrip array antenna applied to electronic toll collection system |
| CN102394360B (en) * | 2011-06-29 | 2013-07-24 | 北京航空航天大学 | Low-sidelobe circular polarized microstrip array antenna applied to electronic toll collection system |
| CN106463841A (en) * | 2014-02-19 | 2017-02-22 | 华为技术有限公司 | Dual vertical beam cellular array |
| US11011856B2 (en) | 2014-02-19 | 2021-05-18 | Huawei Technologies Co., Ltd. | Dual vertical beam cellular array |
| CN110419144A (en) * | 2017-11-08 | 2019-11-05 | 深圳市大疆创新科技有限公司 | Antenna element and aerial array |
| CN112086745A (en) * | 2020-09-30 | 2020-12-15 | 广州市埃特斯通讯设备有限公司 | ETC antenna fused with V2X equipment |
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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: BEIJING SUNWAVE COMMUNICATION CO., LTD. Free format text: FORMER OWNER: PUTIAN SHOUXIN COMMUNICATION EQUIPMENT COMPANY (GROUP) Effective date: 20100702 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100016 POTEVIO CAPITEL COMM EQUIPMENT, NO.5, JIANGTAI ROAD, CHAOYANG DISTRICT, BEIJING CITY TO: 100081 ROOM 109, BUILDING 9, NO.19, DAHUISI, HAIDIAN DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100702 Address after: 100081 Beijing city Haidian District Dahui Temple No. 19 Building No. 9 room 109 Patentee after: Beijing Sanwei Communication High-Tech Co., Ltd. Address before: No. 5 Capitel Putian Communication equipment factory in Beijing City, Chaoyang District road 100016 (Group) Patentee before: Putian Shouxin Communication Equipment Factory (Group) |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20160402 |