CN202585701U - Antenna device of Beidou terminal - Google Patents
Antenna device of Beidou terminal Download PDFInfo
- Publication number
- CN202585701U CN202585701U CN2011205625186U CN201120562518U CN202585701U CN 202585701 U CN202585701 U CN 202585701U CN 2011205625186 U CN2011205625186 U CN 2011205625186U CN 201120562518 U CN201120562518 U CN 201120562518U CN 202585701 U CN202585701 U CN 202585701U
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- China
- Prior art keywords
- terminal
- big dipper
- antenna assembly
- sided pcb
- radio frequency
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides an antenna device of a Beidou terminal, which overcomes the defect of the operation adaptive ability of a carrier under the condition that the dynamic change of minitype microstrip antennae is influenced by the mutual coupling existing between the near-field regions of minitype microstrip antennae adopted by the Beidou terminals of existing mobile products. The antenna device comprises a double-sided printed circuit board, three microstrip antennae and three radio frequency connectors. The first surface of the double-sided printed circuit board is provided with three mutually separated assembling positions. The three microstrip antennae are correspondingly assembled at the three assembling positions. The second surface of the double-sided printed circuit board is provided with three insertion positions corresponding to the three assembling positions. The three radio frequency connectors are correspondingly assembled at the three insertion positions. Due to the adoption of the antenna device, a shipborne Beidou terminal or a vehicle-mounted Beidou terminal is ensured to be better in technical characteristics, larger in attitude rate and wider in dynamic working range.
Description
Technical field
The utility model relates to Big Dipper terminal, relates in particular to the antenna assembly at a kind of Big Dipper terminal.
Background technology
The Beidou satellite navigation system of Big Dipper terminal applies China can provide information such as position, short message communication and time; Can realize location, navigation, monitoring and scientific management, be widely used in fields such as workers and peasants' fishery, communications and transportation, geological mapping, hydraulic and electric engineering, city management its various carriers.
At present, the small-sized microstrip antenna of a large amount of boat-carrying Big Dipper terminal applies is the low-cost small-sized microstrip antenna of independent design and manufacturing separately, according to applicable cases several small-sized microstrip antennas is assembled on the limited metallic plate of size then.Because the mutual coupling that exists between each microstrip antenna near field; The performance of each microstrip antenna is distorted; Especially make each microstrip antenna at the performance depreciation that hangs down on the elevation coverage; Can not satisfy the actual demand at boat-carrying Big Dipper terminal fully, finally have influence on the work accommodation ability of boat-carrying Big Dipper terminal under attitude of ship dynamic change situation.For the Big Dipper terminal on vehicle-mounted Big Dipper terminal or other mobile objects, there is similar situation equally.
The utility model content
The utility model technical problem to be solved is the small-sized microstrip antenna that overcomes the Big Dipper terminal applies on the existing mobile object influences the carrier work accommodation ability under the dynamic change situation having mutual coupling between the near field a defective.
In order to solve the problems of the technologies described above, the utility model provides the antenna assembly at a kind of Big Dipper terminal, comprises two sided pcb, three microstrip antennas and three radio frequency connectors, wherein:
Be distributed with three equipped positions that are separated from each other on the first surface of this two sided pcb, corresponding equipped these three microstrip antennas in these three equipped positions; On the second surface of this two sided pcb, be distributed with three accordingly with these three equipped positions and patch the position, these three patch corresponding equipped these three the radio frequency connectors in position.
Preferably, the profile of this two sided pcb comprises circle, rectangle, oval or triangle.
Preferably, these three microstrip antennas comprise two single-band antennas and a dual-band antenna.
Preferably, this two sided pcb is the ground plane of these three microstrip antennas.
Preferably, the position of the geometric figure of the base material dielectric coefficient of these three microstrip antennas and thickness, bay radiating surface and size and feed point is all different.
Preferably, three radio frequency connectors of these three microstrip antennas and this are corresponding one by one.
Preferably, these three radio frequency connectors are welded on patching on the position separately.
Preferably, this device comprises:
The fixture of annular is distributed with pillar on the first surface of this fixture, is distributed with the card post on the second surface, on this card column end opening and the outer surface buckle is set;
Wherein, also be distributed with installing hole on the marginal portion of this two sided pcb, this installing hole matches with this card post.
Preferably, this card post adopts elastomeric material to process.
Preferably, the end face of this pillar is provided with tapped blind hole.
Compared with prior art, the antenna assembly of the utility model embodiment can guarantee that boat-carrying or vehicle-mounted Big Dipper terminal reach the dynamic duty scope of better technical performance and the variation of bigger attitude.The embodiment of the utility model, its antenna miniaturization, performance is good, the manufacturing is low-cost, efficient is high.The embodiment of the utility model, its installing and fixing method simple and fast, operating efficiency and reliability are high, are convenient to produce in batches, use and keep in repair.The embodiment of the utility model is applicable to the Big Dipper terminal on the mobile objects such as vehicle-mounted or boat-carrying.
Description of drawings
Fig. 1 is the plan structure sketch map of two sided pcb first surface in the antenna assembly at Big Dipper terminal of the utility model embodiment.
Fig. 2 is the plan structure sketch map behind the equipped microstrip antenna on the two sided pcb first surface shown in Figure 1.
Fig. 3 is the plan structure sketch map of two sided pcb second surface shown in Figure 1.
Fig. 4 is the plan structure sketch map behind the equipped radio frequency connector on the two sided pcb second surface shown in Figure 1.
Fig. 5 is the side-looking structural representation behind equipped microstrip antenna of two sided pcb shown in Figure 1 and the radio frequency connector.
Fig. 6 is the plan structure sketch map of the fixture in embodiment illustrated in fig. 1.
Fig. 7 is the side-looking structural representation of the fixture in embodiment illustrated in fig. 1.
Fig. 8 is a plan structure sketch map embodiment illustrated in fig. 1.
Fig. 9 is the structural representation of looking up embodiment illustrated in fig. 1.
Figure 10 is a side-looking structural representation embodiment illustrated in fig. 1.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, hereinafter will combine accompanying drawing that the embodiment of the utility model is elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
The antenna assembly at the Big Dipper terminal of the utility model embodiment mainly comprises two sided pcb 1, three microstrip antennas 21 and three radio frequency connectors 22, can also comprise fixture as shown in Figure 63 etc.Two sided pcb 1 in the present embodiment is circular, and in other embodiments, the profile of two sided pcb 1 also can be rectangle, ellipse, triangle or other rules or irregular figure.
Two sided pcb 1 is the ground plane and the equipped fixed head of three microstrip antennas 21.In three microstrip antennas 21, have two to be single-band antenna, one is dual-band antenna.The position of the base material dielectric coefficient that each microstrip antenna 21 is used and the geometric figure of thickness, bay radiating surface and size and feed point is all not different mutually.The above-mentioned difference of three microstrip antennas 21 mainly is according to the working frequency points of each microstrip antenna 21 and technical performance requirements such as bandwidth, polarization mode and axial ratio, directional pattern and gain, standing wave and impedance, and carries out taking all factors into consideration of integrated design with two sided pcb 1.
As depicted in figs. 1 and 2, on the first surface of two sided pcb 1, be distributed with three equipped positions 11 that are separated from each other, these three equipped position 11 corresponding equipped three microstrip antennas 21.These three microstrip antennas 21 are in three equipped positions 11 of two sided pcb 1 first surface, need to consider the technical performance requirements such as directional pattern and isolation thereof of each microstrip antenna 21.Like Fig. 3 and shown in Figure 4; On the second surface of two sided pcb 1; Be distributed with three accordingly with these three equipped positions 11 and patch position 12, these three the radio frequency connectors 22 that patch the microstrip antenna 21 that is equipped with on 12 corresponding equipped each self-corresponding equipped position 11, position.Technical performance requirements such as standing wave and impedance have also been considered in the position of radio frequency connector 22 on two sided pcb 1.Three microstrip antennas 21 are corresponding one by one with three radio frequency connectors 22.
As shown in Figure 5; On this two sided pcb 1 three microstrip antennas 21 and corresponding radio frequency connector 22 thereof are welded on the equipped position 11 on two sided pcb 1 first surface respectively and are patching on the position 12, promptly forming a technological performance, independent antenna elements parts that reliability is high.
As shown in Figure 6, fixture 3 integral body among the utility model embodiment are annular, and the profile of its profile and two sided pcb 1 is complementary.Fixture 3 is an annular in the present embodiment, and in other embodiments, it also can be oval ring, rectangular loop or other rule or irregular annular.
As shown in Figure 7, be distributed with pillar 31 on the first surface of fixture 3, be distributed with card post 32 on the second surface.The end face of this pillar 31 is provided with tapped blind hole, can this fixture 3 be fixedly mounted on the Big Dipper terminal of vehicle-mounted or boat-carrying through this pillar 31.This card post 32 adopts elastomeric materials (such as plastics) to process, and on its open-ended and outer surface buckle is set.Owing to block the open-ended of post 32 and have certain elasticity, when therefore applying pressure radially in the end of card post 32, the end of card post 32 is stressed can contraction.
Also be distributed with two or more installing holes 23 on the marginal portion of the utility model two sided pcb 1, as depicted in figs. 1 and 2.Opening through card post 32 ends on compression fixture 3 second surfaces; Can this card post 32 be stretched in the installing hole 23 on this two sided pcb 1; And, fixture 3 is fixedly mounted in two sided pcb 1 through blocking the buckle of post 32 outer surfaces.The present embodiment that is installed together such as Fig. 8 are to shown in Figure 10.
The card distribution of post 32 on fixture 3 second surfaces, corresponding with the distributing position of installing hole 23 on this two sided pcb 1 on the two sided pcb 1.So; Through these installing holes 23 and card post 32; This two sided pcb 1 that can will be equipped with microstrip antenna 21 and patch radio frequency connector 22 is fixedly installed on the fixture 3 of annular, wherein the first surface of this annular fixture 3 of the second surface of this two sided pcb 1 contact.
When the fixture 3 with two sided pcb 1 and annular is installed together, aim at good corresponding card post 32 and installing hole 23 after, the two is applied certain pressure, make the end of card post 32 shrink and the buckle of outer surface is pushed in the installing hole 23.Because the elastic force of card post 32 locks each installing hole 23 reliably and is clamped on the card post 32.Being used of card post 32 and installing hole 23 makes fixture 3 installation and removal apace of two sided pcb 1 and annular, and simple and reliable for structure.
When needs dismounting fixture 3 and two sided pcb 1; Opening through card post 32 ends on the compression fixture 3; Make the buckle of card post 32 outer surfaces be reduced in the installing hole 23 on the two sided pcb 1, can easily fixture 3 and two sided pcb 1 be disassembled.
The low cost that the utility model embodiment provides, miniaturization, four frequency high performance antennas and fixing device for installing thereof can guarantee that boat-carrying Big Dipper terminal reaches the dynamic duty scope that good technical performance and bigger attitude change.The employed microstrip antenna miniaturization of the utility model embodiment, performance is good, the manufacturing is low-cost, efficient is high.The utility model embodiment installing and fixing method simple and fast, low preparation cost, it is high to install and remove easy to operate, operating efficiency and reliability, is convenient to produce in batches, use and keep in repair.The utility model embodiment is equally applicable to the vehicle-mounted application that waits Big Dipper end product, is convenient to standardization and makes, and helps applying.
Though the execution mode that the utility model disclosed as above, the execution mode that described content just adopts for the ease of understanding the utility model is not in order to limit the utility model.Technical staff under any the utility model in the technical field; Under the prerequisite of spirit that does not break away from the utility model and disclosed and scope; Can do any modification and variation what implement in form and on the details; But the scope of patent protection of the utility model still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. the antenna assembly at a Big Dipper terminal is characterized in that, comprises two sided pcb, three microstrip antennas and three radio frequency connectors, wherein:
Be distributed with three equipped positions that are separated from each other on the first surface of this two sided pcb, corresponding equipped these three microstrip antennas in these three equipped positions; On the second surface of this two sided pcb, be distributed with three accordingly with these three equipped positions and patch the position, these three patch corresponding equipped these three the radio frequency connectors in position.
2. the antenna assembly at the Big Dipper according to claim 1 terminal is characterized in that,
The profile of this two sided pcb comprises circle, rectangle, oval or triangle.
3. the antenna assembly at the Big Dipper according to claim 1 terminal is characterized in that,
These three microstrip antennas comprise two single-band antennas and a dual-band antenna.
4. the antenna assembly at the Big Dipper according to claim 1 terminal is characterized in that,
This two sided pcb is the ground plane of these three microstrip antennas.
5. the antenna assembly at the Big Dipper according to claim 1 terminal is characterized in that,
The geometric figure of the base material dielectric coefficient of these three microstrip antennas and thickness, bay radiating surface and the position of size and feed point are all different.
6. the antenna assembly at the Big Dipper according to claim 1 terminal is characterized in that,
Three radio frequency connectors of these three microstrip antennas and this are corresponding one by one.
7. the antenna assembly at the Big Dipper according to claim 1 terminal is characterized in that,
These three radio frequency connectors are welded on patching on the position separately.
8. according to the antenna assembly at the described Big Dipper of each claim terminal in the claim 1 to 6, it is characterized in that this device comprises:
The fixture of annular is distributed with pillar on the first surface of this fixture, is distributed with the card post on the second surface, on this card column end opening and the outer surface buckle is set;
Wherein, also be distributed with installing hole on the marginal portion of this two sided pcb, this installing hole matches with this card post.
9. the antenna assembly at the Big Dipper according to claim 8 terminal is characterized in that,
This card post adopts elastomeric material to process.
10. the antenna assembly at the Big Dipper according to claim 8 terminal is characterized in that,
The end face of this pillar is provided with tapped blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205625186U CN202585701U (en) | 2011-12-29 | 2011-12-29 | Antenna device of Beidou terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205625186U CN202585701U (en) | 2011-12-29 | 2011-12-29 | Antenna device of Beidou terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585701U true CN202585701U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205625186U Expired - Fee Related CN202585701U (en) | 2011-12-29 | 2011-12-29 | Antenna device of Beidou terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585701U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105338494A (en) * | 2015-11-26 | 2016-02-17 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Aviation emergency locator beacon device based on Beidou |
| CN105474462A (en) * | 2014-06-30 | 2016-04-06 | 华为技术有限公司 | Mixed structure dual-band dual-beam three-column phased array antenna |
| US9871296B2 (en) | 2013-06-25 | 2018-01-16 | Huawei Technologies Co., Ltd. | Mixed structure dual-band dual-beam three-column phased array antenna |
-
2011
- 2011-12-29 CN CN2011205625186U patent/CN202585701U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9871296B2 (en) | 2013-06-25 | 2018-01-16 | Huawei Technologies Co., Ltd. | Mixed structure dual-band dual-beam three-column phased array antenna |
| CN105474462A (en) * | 2014-06-30 | 2016-04-06 | 华为技术有限公司 | Mixed structure dual-band dual-beam three-column phased array antenna |
| CN105338494A (en) * | 2015-11-26 | 2016-02-17 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Aviation emergency locator beacon device based on Beidou |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100094 Beijing city Haidian District Xian Feng Road No. 7 BDStar tower two Patentee after: Beijing BDStar Navigation Co., Ltd. Patentee after: BDStar Information Service Co., Ltd. Address before: 100085, Beijing, Haidian District information industry base on the 3rd Street, No. 9 Jinyu Ka Wah building, block A, 10 Patentee before: Beijing BDStar Navigation Co., Ltd. Patentee before: BDStar Information Service Co., Ltd. |
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| 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: 20121205 Termination date: 20171229 |