CN208127428U - A Beidou generation and GPS multisystem compatible navigation antenna - Google Patents
A Beidou generation and GPS multisystem compatible navigation antenna Download PDFInfo
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- CN208127428U CN208127428U CN201820682238.0U CN201820682238U CN208127428U CN 208127428 U CN208127428 U CN 208127428U CN 201820682238 U CN201820682238 U CN 201820682238U CN 208127428 U CN208127428 U CN 208127428U
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- antenna
- receiving antenna
- gps
- beidou
- sma
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Abstract
The utility model discloses an a kind of Beidou generation and GPS multisystem compatible navigation antenna, including the Beidou generation transmitting antenna L stacked gradually from top to bottom, Beidou generation receiving antenna S, GPS receiving antenna and feeding network printed circuit board, the lower surface of feeding network printed circuit board is provided with the first SMA head, 2nd SMA and the 3rd SMA head, first SMA bottom feed probes are connected between GPS receiving antenna, 2nd SMA be connected with middle layer feed probes between Beidou generation receiving antenna S, 3rd SMA be connected with top layer feed probes between Beidou generation transmitting antenna L.The utility model can cover multiple frequency ranges, meet the needs of multisystem compatible navigation equipment, simultaneously effective improve multiport isolation problem, realize multiband multiplexing and the simple embodiment for solving multiport isolation.
Description
Technical field
The utility model relates to a kind of multiband combined antenna more particularly to a Beidou generation and GPS multisystem compatible navigation
Antenna.
Background technique
World today's mainstream satellite navigation system has GPS global satellite system, GLONASS global satellite system, GALILEO
The Beidou satellite system of global satellite system and China, wherein GPS global satellite system occupation rate of market and cognition degree are higher, and
Terminal industrial chain comparative maturity, in order to preferably combine market to push the development of Beidou industry, domestic major navigation companies, communication
Enterprise, colleges and universities etc. are dedicated to Beidou, GPS and multiple navigation system and study in combination, and this requires radio frequency component and antennas
Develop toward the compatible direction of multisystem, the antenna applications of multi-system compatible type are fewer at present, and reason is the realization of multiband
And the isolation solution between multiple ports be not yet received it is perfect.
Summary of the invention
To solve the above-mentioned problems, the utility model discloses an a kind of Beidou generation and GPS multisystem compatible navigation antenna,
Multiple frequency ranges can be covered, meet the needs of multisystem compatible navigation equipment, multiport isolation is simultaneously effective improved and asks
Topic.
The utility model is achieved through the following technical solutions：
An a kind of Beidou generation and GPS multisystem compatible navigation antenna, including the Beidou generation hair stacked gradually from top to bottom
Antenna L, Beidou generation receiving antenna S, GPS receiving antenna and feeding network printed circuit board are penetrated, the Beidou generation emits day
Line L is made of radiation fin first and substrate first, and the radiation fin first is located at the top of substrate first, the Beidou generation receiving antenna S
It is made of radiation fin second and substrate second, the radiation fin second is located at the top of substrate second, and the GPS receiving antenna includes radiation fin
Third and substrate third form, the radiation fin third is located at the top of substrate third, and the lower surface of the feeding network printed circuit board is set
Be equipped with the first SMA, the 2nd SMA and the 3rd SMA head, the described first SMA be connected with bottom between the GPS receiving antenna
Layer feed probes, the tie point of the bottom feed probes and the GPS receiving antenna is as the first feeding point, and described second
Middle layer feed probes, the middle layer feed probes and the Beidou are connected between SMA and the Beidou generation receiving antenna S
The tie point of generation receiving antenna S as the second feeding point, the described 3rd SMA between the Beidou generation transmitting antenna L
Top layer feed probes are connected with, the top layer feed probes and the tie point of the Beidou generation transmitting antenna L are presented as third
Electric point.
Opened up in the Beidou generation transmitting antenna radiation fin first it is fluted, be loaded in the groove for third feed
The microstrip line of point, to realize the matching properties of antenna, the silver patch of square uses corner cut perturbation, to realize left-handed polarization
Characteristic.
The Beidou generation receiving antenna S realizes right-hand polarization characteristic using corner cut perturbation, and center is equipped with metallization VIA
First, to avoid top layer feed probes.Second feeding point is apart from Beidou generation receiving antenna S center 4mm.
The GPS receiving antenna is fed using Single probe, is provided with metallization VIA at the GPS receiving antenna center
Second is equipped with metallization VIA third, at the GPS receiving antenna center 4mm to avoid top layer feed probes to avoid middle layer
Feed probes.
First feeding point is apart from GPS receiving antenna center 11mm.
Compared with prior art, the utility model has the beneficial effects that：
The utility model can cover multiple frequency ranges, meet the needs of multisystem compatible navigation equipment, simultaneously effective change
It has been apt to multiport isolation problem, has realized multiband multiplexing and the simple embodiment for solving multiport isolation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model Beidou generation transmitting antenna L；
Fig. 3 is the overlooking structure diagram of the utility model Beidou generation receiving antenna S；
Fig. 4 is the overlooking structure diagram of the utility model GPS receiving antenna.
In figure：1, radiation fin first；2, substrate first；3, radiation fin second；4, substrate second；5, radiation fin third；6, substrate third；7, it presents
Electric network printed circuit board；8, the first SMA head；9, the 2nd SMA head；10, the 3rd SMA head；11, bottom feed probes；12, top layer
Feed probes；13, middle layer feed probes；14, groove；15, third feeding point；16, microstrip line；17, metallization VIA first；18,
Second feeding point；19, the first feeding point；20, metallization VIA second；21, metallization VIA third.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing：
As shown in Figure of description Fig. 1 to Fig. 4, an a kind of Beidou generation and GPS multisystem compatible navigation antenna, including from upper
Beidou generation transmitting antenna L, Beidou generation receiving antenna S, GPS receiving antenna and the feeding network printing electricity stacked gradually under and
Road plate 7, Beidou generation transmitting antenna L are made of radiation fin first 1 and substrate first 2, and radiation fin first 1 is located at the top of substrate first 2, north
Bucket generation receiving antenna S is made of radiation fin second 3 and substrate second 4, and radiation fin second 3 is located at the top of substrate second 4, GPS receiver day
Line includes the third 6 composition of radiation fin the third 5 and substrate, and radiation fin the third 5 is located at the top of substrate the third 6, feeding network printed circuit board 7
Lower surface is provided with the first SMA head 8, the 2nd SMA head 9 and the 3rd SMA head 10, connects between the first SMA head 8 and GPS receiving antenna
It is connected to bottom feed probes 11, the tie point of bottom feed probes 11 and GPS receiving antenna is as the first feeding point 19, and second
Middle layer feed probes 13, middle layer feed probes 13 and one pickup of Beidou are connected between SMA head 9 and Beidou generation receiving antenna S
The tie point of antenna S is received as the second feeding point 18, is connected with top layer between the 3rd SMA head 10 and Beidou generation transmitting antenna L
The tie point of feed probes 12, top layer feed probes 12 and Beidou generation transmitting antenna L are as third feeding point 15.
In the present embodiment, combined antenna is all made of single feedback quadrature excitation, and feed mouth is connected to 50 ohm of SMA heads, SMA spies
Needle is coupled on corresponding antenna and forms feeding point.
As shown in Figure of description Fig. 2, radiation fin first 1 is square silver patch, opens up in radiation fin first 1 fluted
14, the microstrip line 16 for third feeding point 15 is loaded in groove 14, to realize the matching properties of antenna, the silver patch of square
Piece uses corner cut perturbation, to realize left-handed polarization characteristic.
As shown in Figure of description Fig. 3, the second feeding point 18 is apart from Beidou generation receiving antenna S center 4mm, a Beidou generation
Receiving antenna S realizes right-hand polarization characteristic using corner cut perturbation, and center is equipped with metallization VIA first 17, is visited with avoiding top layer feed
Needle 12.
As shown in Figure of description Fig. 4, GPS receiving antenna has the first feeding point 19, and GPS receiving antenna uses Single probe
It feeds, metallization VIA second 20 is provided at GPS receiving antenna center, to avoid top layer feed probes 12, apart from GPS receiver day
Metallization VIA the third 21 is equipped at the 4mm of line center, to avoid middle layer feed probes 13.First feeding point 19 is apart from GPS receiver day
Line center 11mm.The utility model can cover multiple frequency ranges, meet the needs of multisystem compatible navigation equipment, simultaneously effective
Multiport isolation problem is improved, multiband multiplexing and the simple embodiment for solving multiport isolation are realized.
In conclusion the preferred embodiment of only the utility model, is not used to limit the utility model implementation
Range, all equivalent changes according to carried out by shape described in the utility model claims range, construction, feature and spirit with repair
Decorations, should be included in the scope of the claims of the utility model.
Claims (5)
1. an a kind of Beidou generation and GPS multisystem compatible navigation antenna, it is characterised in that：Including the north stacked gradually from top to bottom
Struggle against generation transmitting antenna L, Beidou generation receiving antenna S, GPS receiving antenna and feeding network printed circuit board (7), the Beidou
Generation transmitting antenna L is made of radiation fin first (1) and substrate first (2), and the radiation fin first (1) is located at the top of substrate first (2),
The Beidou generation receiving antenna S is made of radiation fin second (3) and substrate second (4), and the radiation fin second (3) is located at substrate second
(4) top, the GPS receiving antenna include that radiation fin third (5) and substrate third (6) composition, the radiation fin third (5) are located at base
The top of piece third (6), the lower surface of the feeding network printed circuit board (7) are provided with the first SMA (8), the 2nd SMA head
(9) and the 3rd SMA (10) bottom feed probes, are connected between the described first SMA (8) and the GPS receiving antenna
(11), the tie point of the bottom feed probes (11) and the GPS receiving antenna is as the first feeding point (19), and described second
It is connected with middle layer feed probes (13) between SMA (9) and the Beidou generation receiving antenna S, the middle layer feed probes
(13) with the tie point of the Beidou generation receiving antenna S as the second feeding point (18), the described 3rd SMA (10) with it is described
It is connected with top layer feed probes (12) between Beidou generation transmitting antenna L, the top layer feed probes (12) and the Beidou one
For transmitting antenna L tie point as third feeding point (15).
2. a Beidou generation according to claim 1 and GPS multisystem compatible navigation antenna, it is characterised in that：The radiation
Piece first (1) is square silver patch, opens up fluted (14) on the radiation fin first (1), is loaded in the groove (14)
For the microstrip line (16) of third feeding point (15), to realize the matching properties of antenna, the silver patch of square, which uses, to be cut
Angle perturbation, to realize left-handed polarization characteristic.
3. a Beidou generation according to claim 1 and GPS multisystem compatible navigation antenna, it is characterised in that：The Beidou
Generation receiving antenna S realizes right-hand polarization characteristic using corner cut perturbation, and center is equipped with metallization VIA first (17), to avoid top layer
Feed probes (12).
4. a Beidou generation according to claim 1 and GPS multisystem compatible navigation antenna, it is characterised in that：Second feed
Point (18) is apart from Beidou generation receiving antenna S center 4mm, and the first feeding point (19) is apart from GPS receiving antenna center 11mm.
5. a Beidou generation according to claim 1 and GPS multisystem compatible navigation antenna, it is characterised in that：The GPS connects
It receives antenna to feed using Single probe, is provided with metallization VIA second (20) at the GPS receiving antenna center, to avoid top layer feedback
Electric probe (12) is equipped with metallization VIA third (21) at the GPS receiving antenna center 4mm, is visited with avoiding middle layer feed
Needle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820682238.0U CN208127428U (en) | 2018-05-08 | 2018-05-08 | A Beidou generation and GPS multisystem compatible navigation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820682238.0U CN208127428U (en) | 2018-05-08 | 2018-05-08 | A Beidou generation and GPS multisystem compatible navigation antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208127428U true CN208127428U (en) | 2018-11-20 |
Family
ID=64184882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820682238.0U Active CN208127428U (en) | 2018-05-08 | 2018-05-08 | A Beidou generation and GPS multisystem compatible navigation antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571523A (en) * | 2019-09-06 | 2019-12-13 | 深圳大学 | Three-wire polarized antenna with large frequency ratio |
| CN112582787A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Antenna structure and electronic equipment |
| CN113013585A (en) * | 2021-02-20 | 2021-06-22 | 上海海积信息科技股份有限公司 | Antenna and vehicle-mounted equipment |
| CN115207615A (en) * | 2022-09-16 | 2022-10-18 | 南京隼眼电子科技有限公司 | Radiation unit, microstrip antenna and electronic equipment |
-
2018
- 2018-05-08 CN CN201820682238.0U patent/CN208127428U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571523A (en) * | 2019-09-06 | 2019-12-13 | 深圳大学 | Three-wire polarized antenna with large frequency ratio |
| CN110571523B (en) * | 2019-09-06 | 2021-03-30 | 深圳大学 | Three-wire polarized antenna with large frequency ratio |
| CN112582787A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Antenna structure and electronic equipment |
| WO2021063094A1 (en) * | 2019-09-30 | 2021-04-08 | 华为技术有限公司 | Antenna structure and electronic device |
| CN112582787B (en) * | 2019-09-30 | 2022-04-22 | 华为技术有限公司 | Antenna structure and electronic equipment |
| US11973278B2 (en) | 2019-09-30 | 2024-04-30 | Huawei Technologies Co., Ltd. | Antenna structure and electronic device |
| CN113013585A (en) * | 2021-02-20 | 2021-06-22 | 上海海积信息科技股份有限公司 | Antenna and vehicle-mounted equipment |
| CN113013585B (en) * | 2021-02-20 | 2023-10-24 | 上海海积信息科技股份有限公司 | Antenna and vehicle-mounted equipment |
| CN115207615A (en) * | 2022-09-16 | 2022-10-18 | 南京隼眼电子科技有限公司 | Radiation unit, microstrip antenna and electronic equipment |
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