CN203521619U - Satellite positioning microstrip antenna - Google Patents
Satellite positioning microstrip antenna Download PDFInfo
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- CN203521619U CN203521619U CN201320615508.3U CN201320615508U CN203521619U CN 203521619 U CN203521619 U CN 203521619U CN 201320615508 U CN201320615508 U CN 201320615508U CN 203521619 U CN203521619 U CN 203521619U
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- microstrip antenna
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- upper strata
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Abstract
The utility model discloses a satellite positioning microstrip antenna. The satellite positioning microstrip antenna comprises an upper layer microstrip antenna, a lower layer microstrip antenna, a feed network printed circuit board, and a metal round plate, wherein the lower layer microstrip antenna is disposed below the upper layer microstrip antenna, the feed network printed circuit board is disposed below the lower layer microstrip antenna, and the feed network printed circuit board is mounted in the metal round plate. The satellite positioning microstrip antenna is good in stability, capable of covering multi-frequency and multi-satellite, and applicable to many application occasions, such as geodetic surveying and mapping, sea measurement, navigation channel measurement, waterway dredging measurement, earthquake monitoring, bridge deformation monitoring, landsliding monitoring, and harbour container work, as well as airborne and vehicle-mounted satellite signal forwarding.
Description
Technical field:
The utility model relates to a kind of reception antenna, particularly satellite fix microstrip antenna.
Background technology:
Along with the development of Technique of Satellite Navigation and Positioning, satellite navigation and location system obtains increasingly extensive application.The U.S., Russia, Europe and China all successively set up the global position system of oneself.Perfect along with the development of a plurality of satellite navigation and location systems, the development of multimodal satellite navigation, location technology is also full-fledged at the same time.Antenna obtains extensive concern and research as one of global position system key technology parts, as be applied to antenna in multimodal satellite navigation navigation system requirement can accept the satellite-signal of a plurality of satellite navigation and location systems simultaneously.The performance of antenna directly has influence on final certainty of measurement, if the variation of antenna phase center and multipath effect are to affect the topmost source of error of precision.The phase center of antenna and its geometric center should be consistent in theory.Yet the phase center of antenna is actually that intensity with signal input is different with direction to be changed, while observing, the instantaneous position of phase center and theoretic phase center are by inconsistent, and this deviation is called antenna phase center position deviation.The impact of this deviation can reach several millimeters to several centimetres, so how to reduce antenna phase center position deviation, is a major issue in Antenna Design.
In order to guarantee the stability under multiple different operating environment, often antenna performance is had to a lot of higher requirements.As the antenna for such as in vehicle-mounted, airborne application platform, the mechanical oscillation meeting of carrier affects the stability of antenna structure, and then affect the stability of antenna, as mechanical oscillation may cause the unstable of antenna phase center, working band unstable etc., thereby require antenna to bear corresponding mechanical oscillation.Operating ambient temperature changes may cause expanding with heat and contract with cold of antenna medium, and then affects antenna performance.The corrosion of surrounding environment and steam dust also can produce harmful effect to antenna performance.Thereby require to bear certain variations in temperature and impact, anticorrosive and steam dust impact for antenna under complex work environment.
Utility model content:
In view of above-mentioned technical problem, the utility model provides satellite fix microstrip antenna, and the utility model antenna structure is relatively simple, and Receiver Precision is higher.
Concrete technical scheme of the present utility model is as follows:
Satellite fix microstrip antenna, comprises upper strata microstrip antenna, lower floor's microstrip antenna, feeding network printed circuit board (PCB) and rosette; Microstrip antenna below, described upper strata is provided with lower floor's microstrip antenna, and lower floor's microstrip antenna below is provided with feeding network printed circuit board (PCB), and feeding network printed circuit board (PCB) is arranged in rosette.
Above-mentioned satellite fix microstrip antenna, wherein, described upper strata microstrip antenna comprises the micro-band in upper strata, upper strata ceramic antenna dielectric-slab and upper strata microstrip antenna ground, and the below of the micro-band in upper strata is provided with upper strata ceramic antenna dielectric-slab, and ceramic antenna dielectric-slab below in upper strata is provided with microstrip antenna ground, upper strata.
Above-mentioned satellite fix microstrip antenna, wherein, the upper and lower of upper strata ceramic antenna dielectric-slab is also provided with metal covering, and the centre of upper strata ceramic antenna dielectric-slab is provided with plated-through hole and feed through hole.
Above-mentioned satellite fix microstrip antenna, wherein, satellite fix microstrip antenna also comprises feedback pin, described upper strata microstrip antenna, lower floor's microstrip antenna are connected with feeding network printed circuit board (PCB) by feedback pin.
Above-mentioned satellite fix microstrip antenna, wherein, described lower floor microstrip antenna comprises the micro-band of lower floor, lower floor's ceramic antenna dielectric-slab and lower floor's microstrip antenna ground, and the below of the micro-band of lower floor is provided with lower floor's ceramic antenna dielectric-slab, and lower floor's ceramic antenna dielectric-slab below is provided with lower floor's microstrip antenna ground.
Above-mentioned satellite fix microstrip antenna, wherein, the upper and lower of lower floor's ceramic antenna dielectric-slab is also provided with metal covering, and the centre of lower floor's ceramic antenna dielectric-slab is provided with plated-through hole and feed through hole.
Above-mentioned satellite fix microstrip antenna, wherein, comprises a 3dB electric bridge coupler, the 2nd 3dB electric bridge coupler and mixer on described feeding network printed circuit board (PCB); The one 3dB electric bridge coupler, the 2nd 3dB electric bridge coupler are connected with mixer respectively.
Above-mentioned satellite fix microstrip antenna, wherein, described rosette is also provided with radiofrequency signal output port.
Above-mentioned satellite fix microstrip antenna, wherein, also comprises antenna protection cover on described rosette.
The satellite fix microstrip antenna stability that the utility model provides is high, can contain many stars of multifrequency wide frequency antenna, can be widely used in the earth mapping, Ocean Surveying, water course survey, dredge and complete numerous application scenarios such as measurement, seismic monitoring, bridge deformation monitoring, mountain landslide supervision, dock container operation, also can be applicable to airborne, vehicle-mounted satellite-signal and forward.
Accompanying drawing explanation:
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
Fig. 1 is the general structure schematic diagram of the utility model satellite fix microstrip antenna;
Fig. 2 is the schematic block circuit diagram of the utility model feeding network printed circuit board (PCB);
Fig. 3 is the rosette structural representation of this practical embodiment.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, Figure 2, Figure 3 shows, the satellite fix microstrip antenna that the utility model provides, comprises upper strata microstrip antenna 10, lower floor's microstrip antenna 20, feeding network printed circuit board (PCB) 30 and rosette 60; Microstrip antenna 10 belows, described upper strata are provided with lower floor's microstrip antenna 20, and lower floor's microstrip antenna 20 belows are provided with feeding network printed circuit board (PCB) 30, and feeding network printed circuit board (PCB) 30 is arranged in rosette 60.
Upper strata microstrip antenna 10 comprises that upper strata is micro-ly with 11, upper strata ceramic antenna dielectric-slab 12 and upper strata microstrip antenna ground 13, and micro-below with 11, upper strata is provided with upper strata ceramic antenna dielectric-slab 12, and ceramic antenna dielectric-slab 12 belows, upper strata are provided with microstrip antenna ground, upper strata 13.Wherein, the upper and lower of upper strata ceramic antenna dielectric-slab 12 is also provided with metal covering, and the centre position of upper strata ceramic antenna dielectric-slab 12 is provided with plated-through hole and feed through hole.
Above-mentioned satellite fix microstrip antenna also comprises feedback pin 40, and described upper strata microstrip antenna 10, lower floor's microstrip antenna 20 are connected with feeding network printed circuit board (PCB) 30 by feedback pin 40.
Lower floor's microstrip antenna 20 comprises that lower floor is micro-ly with 21, ceramic antenna dielectric-slab 22He lower floor of lower floor microstrip antenna ground 23, and the micro-below with 21 of lower floor is provided with lower floor's ceramic antenna dielectric-slab 22, and lower floor's ceramic antenna dielectric-slab 22 belows are provided with lower floor's microstrip antenna ground 23.Wherein, the upper and lower of lower floor's ceramic antenna dielectric-slab 22 is also provided with metal covering, and lower floor's ceramic antenna dielectric-slab is provided with plated-through hole and feed through hole.
Above-mentioned satellite fix microstrip antenna, wherein, comprises a 3dB electric bridge coupler, the 2nd 3dB electric bridge coupler and mixer on described feeding network printed circuit board (PCB) 30; The one 3dB electric bridge coupler, the 2nd 3dB electric bridge coupler are connected with mixer respectively.
Above-mentioned satellite fix microstrip antenna, wherein, described rosette 60 is also provided with radiofrequency signal output port 50.
Above-mentioned satellite fix microstrip antenna, wherein, also comprises antenna protection cover on described rosette 60.
The satellite fix microstrip antenna stability that the utility model provides is high, can contain the many stars of multifrequency, can be widely used in the earth mapping, Ocean Surveying, water course survey, dredge and complete numerous application scenarios such as measurement, seismic monitoring, bridge deformation monitoring, mountain landslide supervision, dock container operation, also can be applicable to airborne, vehicle-mounted satellite-signal and forward.Microstrip antenna of the present utility model can receive the satellite-signal from GPS L1, GLONASSL1 and the Big Dipper two generations B3 frequency range, can avoid the movement of antenna phase center, by stablizing the phase center of two frequency band signals of multifrequency microstrip antenna reception, thereby can reduce the signal errors of multifrequency microstrip antenna, improve the precision that multifrequency microstrip antenna signal receives, this antenna has good mechanical stability simultaneously, and anti-high and low-temp impacts, anticorrosion properties.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. satellite fix microstrip antenna, is characterized in that: comprise upper strata microstrip antenna, lower floor's microstrip antenna, feeding network printed circuit board (PCB) and rosette; Microstrip antenna below, described upper strata is provided with lower floor's microstrip antenna, and lower floor's microstrip antenna below is provided with feeding network printed circuit board (PCB), and feeding network printed circuit board (PCB) is arranged in rosette.
2. satellite fix microstrip antenna according to claim 1, is characterized in that, described upper strata microstrip antenna comprises the micro-band in upper strata, upper strata ceramic antenna dielectric-slab and upper strata microstrip antenna ground; The below of the micro-band in upper strata is provided with upper strata ceramic antenna dielectric-slab, and ceramic antenna dielectric-slab below in upper strata is provided with microstrip antenna ground, upper strata.
3. satellite fix microstrip antenna according to claim 2, is characterized in that, the upper and lower of upper strata ceramic antenna dielectric-slab is also provided with metal covering, and the center of upper strata ceramic antenna dielectric-slab is provided with plated-through hole and feed through hole.
4. satellite fix microstrip antenna according to claim 1, is characterized in that, satellite fix microstrip antenna also comprises feedback pin, and described upper strata microstrip antenna, lower floor's microstrip antenna are connected with feeding network printed circuit board (PCB) by feedback pin.
5. satellite fix microstrip antenna according to claim 1, is characterized in that, described lower floor microstrip antenna comprises the micro-band of lower floor, lower floor's ceramic antenna dielectric-slab and lower floor's microstrip antenna ground; The below of the micro-band of lower floor is provided with lower floor's ceramic antenna dielectric-slab, and lower floor's ceramic antenna dielectric-slab below is provided with lower floor's microstrip antenna ground.
6. satellite fix microstrip antenna according to claim 5, is characterized in that, the upper and lower of lower floor's ceramic antenna dielectric-slab is also provided with metal covering, and lower floor's ceramic antenna dielectric-slab is provided with plated-through hole and feed through hole.
7. according to the satellite fix microstrip antenna described in right 1, it is characterized in that, on described feeding network printed circuit board (PCB), comprise a 3dB electric bridge coupler, the 2nd 3dB electric bridge coupler and mixer; The one 3dB electric bridge coupler, the 2nd 3dB electric bridge coupler are connected with mixer respectively.
8. according to the satellite fix microstrip antenna described in right 1, it is characterized in that, described rosette is also provided with radiofrequency signal output port.
9. according to the satellite fix microstrip antenna described in right 1, it is characterized in that, on described rosette, also comprise antenna protection cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615508.3U CN203521619U (en) | 2013-09-30 | 2013-09-30 | Satellite positioning microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615508.3U CN203521619U (en) | 2013-09-30 | 2013-09-30 | Satellite positioning microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203521619U true CN203521619U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320615508.3U Expired - Lifetime CN203521619U (en) | 2013-09-30 | 2013-09-30 | Satellite positioning microstrip antenna |
Country Status (1)
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| CN (1) | CN203521619U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107078395A (en) * | 2014-06-27 | 2017-08-18 | 莱尔德无线技术（上海）有限公司 | Satellite navigation aerial component |
| CN108039577A (en) * | 2017-12-08 | 2018-05-15 | 西安中星伟业通信科技有限公司 | A kind of wideband integration microstrip antenna based on 3dB electric bridges |
| CN111146573A (en) * | 2019-12-20 | 2020-05-12 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | High-precision navigation antenna designed based on disc excitation cup-shaped antenna |
-
2013
- 2013-09-30 CN CN201320615508.3U patent/CN203521619U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107078395A (en) * | 2014-06-27 | 2017-08-18 | 莱尔德无线技术（上海）有限公司 | Satellite navigation aerial component |
| CN107078395B (en) * | 2014-06-27 | 2020-06-12 | 莱尔德无线技术（上海）有限公司 | Antenna assembly |
| CN108039577A (en) * | 2017-12-08 | 2018-05-15 | 西安中星伟业通信科技有限公司 | A kind of wideband integration microstrip antenna based on 3dB electric bridges |
| CN111146573A (en) * | 2019-12-20 | 2020-05-12 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | High-precision navigation antenna designed based on disc excitation cup-shaped antenna |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201702 Shanghai city Qingpu District No. 599, building 1, 3 Gaojing Road, Room 301 Patentee after: SHANGHAI HIGH GAIN INFORMATION TECHNOLOGY Co.,Ltd. Address before: 200030, No. 481, Guiping Road, Xuhui District, Shanghai, 15, 6 floor Patentee before: Shanghai Haiji Information Technology Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |