CN210040570U - 4G antenna combined with GNSS antenna - Google Patents
4G antenna combined with GNSS antenna Download PDFInfo
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- CN210040570U CN210040570U CN201920798533.7U CN201920798533U CN210040570U CN 210040570 U CN210040570 U CN 210040570U CN 201920798533 U CN201920798533 U CN 201920798533U CN 210040570 U CN210040570 U CN 210040570U
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Abstract
The utility model discloses a with GNSS antenna combination formula 4G antenna, including GNSS antenna, 4G owner collection antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna, the GNSS antenna sets up between 4G owner collection antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna, 4G owner collection antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna are 90 even interval distribution. The utility model discloses a 4G main diversity antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna from the appearance form two bisymmetry, do not influence the phase center of GNSS antenna; and the design of the 4G main set antenna division land reduces the influence on the L2/L5 frequency band of the GNSS antenna, so that the gain of the GNSS antenna is controlled within the difference of 2dB under two different polarization modes of the GNSS antenna in the vertical and horizontal directions.
Description
Technical Field
The utility model belongs to the technical field of the satellite navigation system, concretely relates to with GNSS antenna combination formula 4G antenna.
Background
The GNSS navigation system overcomes the defects of a single navigation system, has wide application prospect in the civil field, and has wide application in ground traffic, water traffic and air traffic as the most basic navigation service. The GNSS can provide navigation and positioning services for vehicles, not only can reduce ground traffic jam, but also is convenient for scheduling and managing the vehicles, and vehicles (police cars, cash trucks, ambulances, outsider fleets) which are required by the government of China to execute special tasks in consideration of safety need to be equipped with GNSS receivers, so that the GNSS navigation services can play a decisive role in the field of unmanned driving in the future. The GNSS can also provide navigation and port-entering and port-exiting berthing navigation and monitoring services for ships, wireless navigation equipment is equipped for most fishing boats in China, and a 'China coastal radio beacon' with a roadbed navigation auxiliary function is built along a coastline, so that the positioning accuracy of the GNSS navigation equipment is improved. When the aircraft is provided with the GNSS navigation equipment, the aircraft can fly along a straight line accurately, so that not only can the flight time be reduced, but also the fuel consumption can be reduced.
In recent years, the integration of wireless communication systems is higher and higher, the research of antennas tends to be miniaturized, broadband, integrated and high-gain, the research of composite antennas meeting the communication requirements of a plurality of radio systems becomes an important research direction in the antenna field, the 4G network communication antennas built in the GNSS intelligent navigation system are explained in detail, the application performance of the composite antennas is complementary, the structure is compact and conformal, the miniaturization and the integration are realized, early products exist in GNSS system terminals in an independent form, the commonly-done form is that ① separates a plastic window at a metal part on the side surface of the terminal (below the horizontal plane of the GNSS antenna), the antenna form uses a PIFA form, the FPC process is adopted, the implementation has enough distance space with the GNSS antennas, the influence of the phase center and voltage ratio of the GNSS antenna is avoided, the antenna is designed in a mode, the antenna form uses a PIFA antenna, the design has only one defect that the GNSS antenna is positioned on the ground surface, the GNSS antenna is positioned in a mode that the GNSS antenna shield the GNSS antenna is positioned in a metal window, the GNSS antenna area is positioned in a mode that the GNSS antenna shield the GNSS antenna is positioned in a plane, the GNSS antenna area where the GNSS antenna is positioned in a traditional mode, and the GNSS antenna is positioned in a mode that the GNSS antenna, the GNSS antenna is positioned in a traditional mode that the plane, the GNSS antenna is positioned in a plane, the plane is positioned in which is positioned in a plane, and the plane, the GNSS antenna is positioned in a plane, the GNSS antenna, the plane is positioned in a plane of a mode of a plane.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a with GNSS antenna combination formula 4G antenna to the ground of proposing four antenna sharing GNSS antennas in solving above-mentioned background art, the isolation has the problem, and especially 4G owner collects antenna and GNSS antenna at L2/L5 frequency channel, and 4G antenna loading back moreover, under two kinds of different polarization modes of GNSS antenna vertical level, the problem within 2dB can not be controlled to the gain.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a with GNSS antenna combination formula 4G antenna, includes GNSS antenna, 4G owner and collects antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna, the GNSS antenna sets up between 4G owner and collects antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna, 4G owner collects antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna and is 90 even interval distribution.
Preferably, the GNSS antenna 1 is placed at the center of the terminal of the test system for the first time, and within an area with a diameter of 14cm, an area with a diameter of 9cm at the center is occupied by the GNSS antenna 1.
Preferably, the 4G diversity antenna, the WIFI antenna and the bluetooth antenna are within one annular band having a width of 5mm and 10cm from the center position.
Preferably, the 4G main set antenna is distributed with bandwidths of 800-.
Preferably, the 4G diversity antenna is covered with a bandwidth of 1700-.
Preferably, the 4G main set antenna, the 4G diversity antenna, the WIFI antenna and the Bluetooth antenna are provided with 0.5mm gap cutting lines at the intersection of the high-frequency and low-frequency separated wiring, and are also provided with 0.5mm cutting lines at the middle position of the high-frequency wiring.
Preferably, the ground utilized by the 4G diversity antenna located on the back of the GNSS antenna floor is different from the ground utilized by the GNSS antenna.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a 4G main diversity antenna, 4G diversity antenna, WIFI antenna and bluetooth antenna from the appearance form two bisymmetry, do not influence the phase center of GNSS antenna; and the design of the 4G main set antenna division land reduces the influence on the L2/L5 frequency band of the GNSS antenna, so that the gain of the GNSS antenna is controlled within the difference of 2dB under two different polarization modes of the GNSS antenna in the vertical and horizontal directions.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a GNSS antenna; 2. 4G main set antenna; 3. a 4G diversity antenna; 4. a WIFI antenna; 5. A bluetooth antenna.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a 4G antenna with GNSS antenna combination formula, includes that GNSS antenna 1, 4G mainly collect antenna 2, 4G diversity antenna 3, WIFI antenna 4 and bluetooth antenna 5, GNSS antenna 1 sets up and mainly collects between antenna 2, 4G diversity antenna 3, WIFI antenna 4 and bluetooth antenna 5 in 4G, 4G mainly collects antenna 2, 4G diversity antenna 3, WIFI antenna 4 and bluetooth antenna 5 and is 90 even interval distribution.
The GNSS antenna 1 is firstly placed at the central position of the terminal of the test system, in an area with the diameter of 14cm, the area with the diameter of 9cm at the central position is occupied by the GNSS antenna 1, the 4G diversity antenna 3, the WIFI antenna 4 and the Bluetooth antenna 5 are arranged in a ring-shaped band which is 10cm away from the center and 5mm wide, the 4G main set antenna 2 is distributed with the bandwidths of 800 and 1000MHz, 1700 and 2700MHz, the 4G diversity antenna 3 covers 1700-2700MHz bandwidth, the 4G main diversity antenna 2, the 4G diversity antenna 3, the WIFI antenna 4 and the Bluetooth antenna 5 are provided with 0.5mm gap cutting lines at the intersection of high-frequency and low-frequency separated wires, and the middle position of the high-frequency wiring is also cut off by 0.5mm, and the ground used by the 4G diversity antenna 3 positioned on the back surface of the floor of the GNSS antenna 1 is different from the ground used by the GNSS antenna 1.
It should be noted that, the utility model relates to a with GNSS antenna combination formula 4G antenna, if:
fig. 1 is a schematic structural view of the present invention; as a GNSS measurement system, a GNSS antenna 1 is used as the most important weight, the GNSS antenna 1 is firstly placed at the central position of a test system terminal, in an area with the diameter of 14cm, an area with the diameter of 9cm at the central position is occupied by the GNSS antenna 1, in an annular band with the width of 5mm and the distance of 10cm from the central position, a 4G main set antenna 2, a 4G diversity antenna 3, a WIFI antenna 4, a Bluetooth antenna 5 and four antennas are uniformly distributed at intervals of 90 degrees, the purpose is that the 4G main set antenna 2, the 4G diversity antenna 3, the WIFI antenna 4, the Bluetooth antenna 5 and the four antennas are simultaneously loaded, the phase center of the GNSS antenna 1 cannot be influenced, except that the 4G main set antenna 2 is distributed with the bandwidths of 800 minus charge of 1000MHz and 1700 minus charge of 2700MHz, the 4G antenna 3 only covers the bandwidth of 1700 charge of minus 2700MHz, but at the intersection of the high-low frequency separated routing, the line is cut off in 0.5mm gap has been done at the low frequency part, such needs the influence that the irregular walking line of four antennas is also great to the phase place center of reduction of circuit, WIFI antenna 4 and bluetooth antenna 5 are with the same reason, also 0.5mm gap is cut off to the intersection of separately walking the line at high and low frequency, and 0.5 mm's cutting off has also been done to the intermediate position of walking the line at the high frequency, form the resonant frequency point of wiFi bluetooth frequency channel, whole sees, these four antenna appearance forms have formed two bisymmetry's pattern, the effectual problem of solving GNSS phase place center. In addition, for the influence of the 4G main set antenna 2 on the GNSS antenna 1 in the L2/L5 frequency band, a design of dividing the ground is adopted, the ground used by the 4G main set antenna 2 is different from the ground used by the GNSS antenna 1 on the back of the floor of the GNSS antenna 1, and the design effectively avoids the difference of the gain control of the GNSS antenna 1 at 2dB under two different polarization modes of the GNSS antenna 1 in the vertical and horizontal directions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a with GNSS antenna combination formula 4G antenna, includes GNSS antenna (1), 4G owner collection antenna (2), 4G diversity antenna (3), WIFI antenna (4) and bluetooth antenna (5), its characterized in that: GNSS antenna (1) sets up between 4G owner collects antenna (2), 4G diversity antenna (3), WIFI antenna (4) and bluetooth antenna (5), 4G owner collects antenna (2), 4G diversity antenna (3), WIFI antenna (4) and bluetooth antenna (5) and is 90 even interval distribution.
2. The 4G antenna combined with a GNSS antenna according to claim 1, wherein: the GNSS antenna (1) is firstly placed at the center of a terminal of the test system, and in an area with the diameter of 14cm, an area with the diameter of 9cm at the center is occupied by the GNSS antenna (1).
3. The 4G antenna combined with a GNSS antenna according to claim 1, wherein: the 4G diversity antenna (3), the WIFI antenna (4) and the Bluetooth antenna (5) are arranged in a ring-shaped band which is 10cm away from the center and 5mm wide.
4. The 4G antenna combined with a GNSS antenna according to claim 1, wherein: the 4G main set antenna (2) is distributed with the bandwidths of 800 and 1000MHz and 1700 and 2700 MHz.
5. The 4G antenna combined with a GNSS antenna according to claim 1, wherein: the 4G diversity antenna (3) is covered with a bandwidth of 1700-.
6. The 4G antenna combined with a GNSS antenna according to claim 1, wherein: the 4G main set antenna (2), the 4G diversity antenna (3), the WIFI antenna (4) and the Bluetooth antenna (5) are used for cutting off a circuit by a gap of 0.5mm at the intersection of high-frequency and low-frequency separated wiring, and cutting off 0.5mm at the middle position of high-frequency wiring.
7. The 4G antenna combined with a GNSS antenna according to claim 1, wherein: the ground used by the 4G diversity antenna (3) positioned on the back of the floor of the GNSS antenna (1) is different from the ground used by the GNSS antenna (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798533.7U CN210040570U (en) | 2019-05-29 | 2019-05-29 | 4G antenna combined with GNSS antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798533.7U CN210040570U (en) | 2019-05-29 | 2019-05-29 | 4G antenna combined with GNSS antenna |
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| Publication Number | Publication Date |
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| CN210040570U true CN210040570U (en) | 2020-02-07 |
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| CN201920798533.7U Active CN210040570U (en) | 2019-05-29 | 2019-05-29 | 4G antenna combined with GNSS antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2019
- 2019-05-29 CN CN201920798533.7U patent/CN210040570U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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