CN202797299U - Satellite positioning navigation antenna - Google Patents
Satellite positioning navigation antenna Download PDFInfo
- Publication number
- CN202797299U CN202797299U CN 201220490348 CN201220490348U CN202797299U CN 202797299 U CN202797299 U CN 202797299U CN 201220490348 CN201220490348 CN 201220490348 CN 201220490348 U CN201220490348 U CN 201220490348U CN 202797299 U CN202797299 U CN 202797299U
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- antenna
- radiating element
- microstrip
- satellite positioning
- lead
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Abstract
The utility model provides a satellite positioning navigation antenna and belongs to the field of satellite positioning navigation antennas. The satellite positioning navigation antenna is of a layered structure and sequentially comprises a satellite guiding microstrip antenna coupling unit (5), a first layer of foam baseboard (6), a global position system (GPS) microstrip antenna radiation unit, a satellite guiding microstrip antenna radiation unit, a second layer of foam baseboard (7), an antenna installation baseboard (8) and a coaxial connector from top to bottom. The satellite positioning navigation antenna can meet the using requirements of a GPS antenna, simultaneously has the functions of a satellite navigation antenna, combines functions of satellite positioning and navigation, and is compact in structure and convenient to use.
Description
Technical field
The utility model relates to a kind of satellite positioning navigation antenna, particularly relates to a kind of multi-functional satellite positioning navigation antenna.
Background technology
Satellite system is deep among the civilian category gradually.Intersperse among on the whole sky owing to be used for the satellite of satellite fix, the in addition problem such as system definition and calculation method, requiring the ground dual-mode antenna is a wide lobe circular polarized antenna.This satellite positioning navigation antenna carries out integrated design with gps antenna and satellite navigation aerial, satisfies two user demands with individual antenna.
Multi-Function Antenna of the present utility model can satisfy the use of gps antenna, and its operating frequency is 1575MHz ± 1MHz, and polarization mode is right-handed circular polarization; The function that possesses simultaneously satellite navigation aerial, its operating frequency are 1626.5MHz～1660.5MHz(downstream frequency), 1525MHz～1559MHz(upstream frequency), polarization mode is right-handed circular polarization.This antenna with satellite fix with the navigation two function co-design, its compact conformation, easy to use.This antenna is applicable to ground satellite fix and navigation platform.
The utility model content
The technical problems to be solved in the utility model provides a kind of satellite positioning navigation antenna, satisfies two user demands with individual antenna.This satellite positioning navigation antenna can satisfy the use of gps antenna, possesses simultaneously the function of satellite navigation aerial, with two function co-design of satellite fix and navigation, and its compact conformation, easy to use.
The technical solution adopted in the utility model is as follows: the satellite positioning navigation antenna, comprise coaxial fitting, GPS microstrip antenna radiating element, defend and lead the microstrip antenna radiating element, defend and lead microstrip antenna coupling unit, foam substrate and antenna mounting base 8, it is characterized in that:
Described satellite positioning navigation antenna is hierarchy, is followed successively by from top to bottom to defend to lead microstrip antenna coupling unit 5, ground floor foam substrate 6, GPS microstrip antenna radiating element and defend and lead microstrip antenna radiating element, second layer foam substrate 7, antenna mounting base 8, coaxial fitting;
Described GPS microstrip antenna radiating element comprises GPS radiating element 3 and the first microstrip line 9, and GPS radiating element 3 links to each other with the first coaxial fitting 1 by the first microstrip line 9;
Described defending led the microstrip antenna radiating element and comprised defending and lead radiating element 4 and the second microstrip line 10, defends to lead radiating element 4 and link to each other with the second coaxial fitting 2 by the second microstrip line 10.
As preferably, described GPS radiating element 3, defend that to lead radiating element 4, the first microstrip line 9 and the second microstrip line 10 all be that the insulation thin-medium covers the conducting metal membrane structure.The thickness of described insulation thin-medium is 0.49 to 0.51 millimeter, is fitted on the second layer foam substrate 7, and it is 0.035 millimeter conductive metallic material that a layer thickness is being covered in insulation on the thin-medium, is etched with the shape of radiating element and microstrip line at conductive metallic material.
As preferably, described antenna mounting base 8 is conductive hard material.
As preferably, also comprise metal needle 11, be respectively arranged with metal needle 11 on described the first coaxial fitting 1 and the second coaxial fitting 2, metal needle 11 passes antenna mounting base 8 and links to each other with the second microstrip line 10 with the first microstrip line 9 respectively with second layer foam substrate 7.
As preferably, described GPS radiating element 3 and defend that to lead radiating element 4 all be cutting on the cross angular moment shape paster structure, and the corner cut direction is consistent.
As preferably, described defending led microstrip antenna coupling unit 5 and is the diagonal angle corner cut, with to defend the corner cut direction of leading radiating element 4 consistent and upper-lower position is corresponding.
Compared with prior art, the beneficial effects of the utility model are: this satellite positioning navigation antenna can satisfy the use of gps antenna, the function that possesses simultaneously satellite navigation aerial, have wider bandwidth and lobe width, with two function co-design of satellite fix and navigation, its compact conformation, device volume is little, radiation characteristic is good, convenient and flexible installation.
Description of drawings
Fig. 1 is the wherein general assembly schematic diagram of an embodiment of the utility model.
Fig. 2 is that middle GPS microstrip antenna radiating element embodiment illustrated in fig. 1 and defending is led microstrip antenna radiating element layer and the vertical view of foam substrate layer for the second time.
Fig. 3 is middle GPS microstrip antenna radiating element embodiment illustrated in fig. 1 and defends the end view of leading the following structure of microstrip antenna radiating element layer.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Disclosed all features in this specification except the feature of mutual eliminating, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
As shown in Figure 1, a specific embodiment of the present utility model.The satellite positioning navigation antenna comprises the first coaxial fitting 1, the second coaxial fitting 2, GPS microstrip antenna radiating element, defends and lead the microstrip antenna radiating element, defend and lead microstrip antenna coupling unit 5, for the first time foam substrate 6, second layer foam substrate 7 and antenna mounting base 8.
Described satellite positioning navigation antenna adopts hierarchy to realize location and navigation antenna function.Be followed successively by from top to bottom to defend and lead microstrip antenna coupling unit 5, ground floor foam substrate 6, GPS microstrip antenna radiating element and defend and lead microstrip antenna radiating element, second layer foam substrate 7, antenna mounting base 8, coaxial fitting;
Described GPS microstrip antenna radiating element comprises GPS radiating element 3 and the first microstrip line 9, and GPS radiating element 3 links to each other with the first coaxial fitting 1 by the first microstrip line 9;
Described defending led the microstrip antenna radiating element and comprised defending and lead radiating element 4 and the second microstrip line 10, defends to lead radiating element 4 and link to each other with the second coaxial fitting 2 by the second microstrip line 10.
The satellite positioning navigation antenna utilizes two coaxial line joints to give respectively GPS radiating element 3, defend and lead radiating element 4 feeds, by radiating element is carried out respectively feed, forms the circular polarization radiation wave beam.Defend and lead 4 pairs of radiating elements and defend and lead microstrip antenna coupling unit 5 and carry out electromagnetic coupled work.The acting in conjunction of parts forms effective wideband directional circular polarization radiation wave beam.
As shown in Figure 2, described GPS radiating element 3, defend that to lead radiating element 4, the first microstrip line 9 and the second microstrip line 10 be Metal Flake structure all, in this specific embodiment, be the insulation thin-medium and cover the conducting metal membrane structure.The thickness of described insulation thin-medium is 0.49 to 0.51 millimeter, is fitted on the second layer foam substrate 7, and it is 0.035 millimeter conductive metallic material that a layer thickness is being covered in insulation on the thin-medium, is etched with the shape of radiating element and microstrip line at conductive metallic material.In this specific embodiment, described conductive metallic material is copper.
Two radiating elements are emitted on two antennas together by optimized algorithm, when dwindling whole antenna size, two antenna-coupleds are reduced as far as possible as far as possible.
Described antenna mounting base 8 is conductive hard material, adopts the duralumin material in this specific embodiment.In this specific embodiment, utilize foam substrate to support as layering, form directed radiation by antenna mounting base 8 as the microstrip antenna floor, the material of antenna mounting base 8 is duralumin, play a part to reinforce and support whole antenna system, and make radiating element form effective directed radiation as the antenna floor.
As shown in Figure 3, the feed of antenna is to carry out feed by coaxial fitting, be respectively arranged with metal needle 11 on described the first coaxial fitting 1 and the second coaxial fitting 2, metal needle 11 passes antenna mounting base 8 and second layer foam substrate 7 and links to each other with the second microstrip line 10 with the first microstrip line 9 respectively.In this specific embodiment, metal needle 11 uses scolding tin to weld together with microstrip line.
Described GPS radiating element 3 and defend that to lead radiating element 4 all be cutting on the cross angular moment shape paster structure, and the corner cut direction is consistent.Wherein, the corner cut size is according to thickness and the material decision of foam substrate.The corner cut direction of this specific embodiment is not limited to corner cut direction of the present utility model, but is necessary for the diagonal angle corner cut.
Described defending led microstrip antenna coupling unit 5 and is cutting on the cross angular moment shape paster structure, with to defend the corner cut direction of leading radiating element 4 consistent and upper-lower position is corresponding.This design can better realize defending to be led 4 pairs of radiating elements and defends and lead microstrip antenna coupling unit 5 and carry out electromagnetic coupled work.Wherein, the corner cut size is according to thickness and the material decision of foam substrate.
In this specific embodiment, adopt the corner cut rectangular patch to realize circular polarization, but be not limited to this design, also can adopt other modes to realize circular polarization.
Claims (6)
1. satellite positioning navigation antenna comprises coaxial fitting, GPS microstrip antenna radiating element, defends and lead the microstrip antenna radiating element, defend and lead microstrip antenna coupling unit, foam substrate and antenna mounting base (8), it is characterized in that:
Described satellite positioning navigation antenna is hierarchy, is followed successively by from top to bottom to defend to lead microstrip antenna coupling unit (5), ground floor foam substrate (6), GPS microstrip antenna radiating element and defend and lead microstrip antenna radiating element, second layer foam substrate (7), antenna mounting base (8), coaxial fitting;
Described GPS microstrip antenna radiating element comprises GPS radiating element (3) and the first microstrip line (9), and GPS radiating element (3) links to each other with the first coaxial fitting (1) by the first microstrip line (9);
Described defending led the microstrip antenna radiating element and comprised defending and lead radiating element (4) and the second microstrip line (10), defends to lead radiating element (4) and link to each other with the second coaxial fitting (2) by the second microstrip line (10).
2. satellite positioning navigation antenna according to claim 1 is characterized in that:
Described GPS radiating element (3), defend lead radiating element (4), the first microstrip line (9) and the second microstrip line (10) all be the insulation thin-medium cover the conducting metal membrane structure.
3. satellite positioning navigation antenna according to claim 1 is characterized in that:
Described antenna mounting base (8) is conductive hard material.
4. satellite positioning navigation antenna according to claim 2 is characterized in that:
Also comprise metal needle (11), be respectively arranged with metal needle (11) on described the first coaxial fitting (1) and the second coaxial fitting (2), metal needle (11) passes antenna mounting base (8) and links to each other with the second microstrip line (10) with the first microstrip line (9) respectively with second layer foam substrate (7).
5. satellite positioning navigation antenna according to claim 2 is characterized in that:
Described GPS radiating element (3) and defend that to lead radiating element (4) all be cutting on the cross angular moment shape paster structure, and the corner cut direction is consistent.
6. satellite positioning navigation antenna according to claim 5 is characterized in that:
Described defending led microstrip antenna coupling unit (5) for the diagonal angle corner cut, with to defend the corner cut direction of leading radiating element (4) consistent and upper-lower position is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220490348 CN202797299U (en) | 2012-09-25 | 2012-09-25 | Satellite positioning navigation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220490348 CN202797299U (en) | 2012-09-25 | 2012-09-25 | Satellite positioning navigation antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797299U true CN202797299U (en) | 2013-03-13 |
Family
ID=47824495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220490348 Expired - Fee Related CN202797299U (en) | 2012-09-25 | 2012-09-25 | Satellite positioning navigation antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202797299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716422A (en) * | 2013-12-12 | 2015-06-17 | 深圳光启创新技术有限公司 | Circularly polarized antenna, antenna system and communication device |
| WO2023087162A1 (en) * | 2021-11-17 | 2023-05-25 | Boe Technology Group Co., Ltd. | Antenna and display apparatus |
-
2012
- 2012-09-25 CN CN 201220490348 patent/CN202797299U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716422A (en) * | 2013-12-12 | 2015-06-17 | 深圳光启创新技术有限公司 | Circularly polarized antenna, antenna system and communication device |
| WO2023087162A1 (en) * | 2021-11-17 | 2023-05-25 | Boe Technology Group Co., Ltd. | Antenna and display apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20180925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |