CN214378821U

CN214378821U - Distributed vehicle-mounted antenna structure, antenna integrated glass and automobile

Info

Publication number: CN214378821U
Application number: CN202120650458.7U
Authority: CN
Inventors: 孙靖虎; 张园园; 田苗; 洪荣强
Original assignee: Huizhou Desay SV Intelligent Transport Technology Research Institute Co Ltd
Current assignee: Huizhou Desay SV Intelligent Transport Technology Research Institute Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-08
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a distributed vehicle-mounted antenna structure, antenna integrated glass and car adopts transparent film material printed antenna, then integrates on front windshield and back windshield, wherein on the front windshield distributed integration 5G, V2X and ETC antenna, on the back windshield integration V2X assist antenna, FM and AM antenna; the GNSS antenna is integrated on the rearview mirror and is installed in parallel with the ground; WiFi and BT antenna are printed on the PCB inside the smart antenna box, and the box is installed in the center console. The utility model discloses an adopt the mode of transparent film material printed antenna on windshield, make smart antenna box size reduce greatly, and the isolation can obtain great improvement between 5G MIMO antenna and the V2X antenna.

Description

Distributed vehicle-mounted antenna structure, antenna integrated glass and automobile

Technical Field

The utility model relates to a vehicle antenna technical field, in particular to distributing type vehicle antenna structure, integrated glass of antenna and car.

Background

With the increasing popularization of 5G and V2X technologies, 5G and V2X are also used in vehicle-mounted projects, but the number of 5G and V2X antennas is large, the efficiency requirement is high, and the design of the antennas is a difficult problem. Generally, antennas such as 5G/V2X/GNSS/WiFi/BT/ETC/FM/AM/UWB are integrated on a vehicle with an intelligent networking function, the increase of the antennas will inevitably cause the size of a shark fin antenna box or a flat antenna box to be increased, and the isolation between the antennas is also reduced in a crowded environment, so that the index requirement cannot be met. The size of the antenna box is increased, so that the arrangement of the antenna box is difficult, especially for vehicle types such as panoramic skylights or open roofs, shark fin antennas cannot be placed on the roofs, and the problem of poor antenna isolation in the intelligent panel antennas or the shark fin antenna boxes is also a difficult point to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a distributing type vehicle antenna structure, integrated glass of antenna and car mainly arranges vehicle antenna through to the automobile body structure distributing type to according to panorama skylight series motorcycle type, motorcycle types such as uncovered train type through make full use of automobile body structure, with antennas such as 5G, V2X, with ETC through the mode of transparent film material printing on front windshield, make smart antenna box size reduce about 20% at least, 5G MIMO antenna isolation promotes more than 5 dB.

Specifically, a distributing type vehicle antenna structure, include at least:

a dielectric substrate for printing an antenna; the antennas at least comprise a V2X antenna, an ETC antenna, a GNSS antenna, a V2X auxiliary antenna, an FM antenna, an AM antenna, a WiFi antenna, a BT antenna and a 5G MIMO antenna;

the antenna is integrated on the automobile glass in a distributed mode, and the automobile glass at least comprises a front windshield, a rear windshield and a rearview mirror.

The V2X antenna and the ETC antenna are integrally arranged on the front windshield of the automobile at a preset interval and connected with a host behind the rearview mirror.

Furthermore, the V2X auxiliary antenna, the FM antenna and the AM antenna are respectively and integrally arranged on the rear windshield of the automobile.

Preferably, the GNSS antenna is integrally arranged on the rearview mirror and is kept to be installed in parallel with the ground.

Preferably, the WiFi antenna and the BT antenna are printed on a PCB inside a smart antenna box, and the smart antenna box is installed in the center console.

Preferably, the 5G MIMO antenna is integrated on the front windshield, keeps a preset distance with the V2X antenna and the ETC antenna, and is connected with the center console.

Wherein the 5G MIMO antenna further comprises at least:

5G-main antenna, 5G-diversity antenna, 5G-MIMO3 antenna and 5G-MIMO4 antenna;

the distance between the 5G-main antenna and the 5G-diversity antenna is set to be 300 mm.

Preferably, the dielectric substrate is a transparent film material.

As another preferred, the utility model also provides an antenna integrated glass includes automobile front windshield at least, rear windshield, and the rear-view mirror, and corresponds respectively and be provided with foretell vehicle antenna structure, wherein, vehicle antenna structure set up with on the antenna integrated glass, or embedded extremely at least in the antenna integrated glass.

As another preferred, the utility model also provides an automobile, includes foretell vehicle antenna structure at least, just the automobile is open-top type car at least, or panorama skylight type car.

To sum up, the utility model provides a distributed vehicle antenna structure, antenna integrated glass and car adopts transparent film material printed antenna, then integrates on front windshield and back windshield, wherein the distributed integration 5G, V2X and ETC antenna on the front windshield, integrated V2X on the back windshield assists antenna, FM and AM antenna; the GNSS antenna is integrated on the rearview mirror and is installed in parallel with the ground; WiFi and BT antenna are printed on the PCB inside the smart antenna box, and the box is installed in the center console. The utility model discloses an adopt the mode of transparent film material printed antenna on windshield, make smart antenna box size reduce greatly, and the isolation can obtain great improvement between 5G MIMO antenna and the V2X antenna.

Drawings

Fig. 1 is a schematic view of the front windshield of the present invention.

Fig. 2 is a schematic diagram of isolation between a 5G main antenna and a 5G diversity antenna.

Fig. 3 is a schematic diagram of isolation between 5G MIMO3 and 5G MIMO 4.

Fig. 4 is a schematic diagram of isolation between the 5G main antenna and the 5G MIMO 3.

Fig. 5 is a schematic diagram of isolation between the 5G main antenna and the 5G MIMO 4.

Fig. 6 is a schematic diagram of isolation between 5G diversity antennas and 5G MIMO 3.

Fig. 7 is a schematic diagram of 5G diversity antenna isolation from 5G MIMO 4.

Detailed Description

The following will be described in detail with reference to the specific embodiments and the accompanying drawings, wherein the present invention provides a distributed vehicle-mounted antenna structure, an antenna integrated glass and an automobile.

As shown in fig. 1, the front windshield according to the present invention includes a 1-front windshield, a 2-V2X and an ETC antenna module; a 3-5G MIMO antenna module; preferably, the V2X and ETC antenna module are used for intervening in a host behind a rearview mirror; the 5G MIMO antenna module is used for accessing to a central console.

The V2X and ETC antenna module comprises a V2X antenna and an ETC antenna, and are integrally arranged at a preset distance.

The 5G MIMO antenna module further includes at least: 5G-main antenna, 5G-diversity antenna, 5G-MIMO3 antenna and 5G-MIMO4 antenna; wherein the 5G-main antenna is spaced from the 5G-diversity antenna by 300 mm. Preferably, the 5G MIMO antenna is integrally disposed on the front windshield glass, and maintains a preset distance from the V2X antenna and the ETC antenna. Preferably, the V2X antenna and the ETC antenna are disposed at an upper side edge of the front windshield glass, and the 5G MIMO antenna is integrally disposed at a lower side edge of the front windshield glass, but is not limited thereto. Thereby ensuring that the isolation between the 5G MIMO antenna and the V2X antenna can be greatly improved.

As another preferred embodiment, the utility model provides a distributed vehicle antenna structure includes at least:

a dielectric substrate for printing an antenna; preferably, the dielectric substrate is a transparent Film material, wherein the transparent Film material includes, but is not limited to, Liquid Crystal Polymer (LCP), Polyimide Film (PI), Modified Polyimide Film (MPI), and the like

Further, the antennas include at least a V2X antenna, an ETC antenna, a GNSS antenna, a V2X auxiliary antenna, an FM antenna, an AM antenna, a WiFi antenna, a BT antenna, and a 5G MIMO antenna;

Further, the V2X auxiliary antenna, the FM antenna, and the AM antenna are respectively integrated on the rear windshield of the automobile (not shown).

Further, the GNSS antenna is integrally provided on the rear view mirror and remains installed parallel to the ground (not shown).

Furthermore, the WiFi antenna and the BT antenna are printed on a PCB inside the intelligent antenna box, and the intelligent antenna box is installed in the center console.

In order to further explain the technical feasibility of the present invention, it is further proved through the test that the isolation between the 5G MIMO antenna and the V2X antenna has a promotion of more than 5dB, as shown in fig. 2, wherein, the dotted line is the isolation between the 5G main antenna and the 5G diversity antenna after the distributed vehicle-mounted antenna structure is optimized, it can be seen from the figure that the isolation is improved as a whole compared with the isolation of the shark fin antenna before the solid line is optimized. Also, as shown in fig. 3, the isolation dB between 5G MIMO3 and 5G MIMO4 is very good. Further, as shown in fig. 4-7, the isolation of the 5G main antenna from 5G MIMO3, the isolation of the 5G main antenna from 5G MIMO4, and the isolation dB of the 5G diversity antenna from 5G MIMO3, and the isolation dB of the 5G diversity antenna from 5G MIMO4 all show good improvement. From this the adoption can further be proved the utility model discloses an adopt on-vehicle antenna structure of distributing type no matter obtains fabulous improvement effect in the performance, also can make full use of automobile body structure upgrade in the space, solves the great problem of structure size that many antennas brought, makes smart antenna box size reduce about 20% at least.

As another preferred embodiment, the utility model provides an antenna integrated glass includes car front windshield at least, rear windshield, and the rear-view mirror, and correspond respectively and be provided with preceding vehicle antenna structure, vehicle antenna structure set up with on the antenna integrated glass, or embedded extremely at least in the antenna integrated glass.

As another preferred embodiment, the present invention provides an automobile at least comprising the vehicle antenna structure as described above, and the automobile is at least a convertible type automobile or a panoramic sunroof type automobile, but is not limited thereto.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A distributed vehicle antenna structure, comprising at least:

2. The distributed vehicle antenna structure of claim 1, further comprising:

3. The distributed vehicle antenna structure of claim 1, further comprising:

the V2X auxiliary antenna, the FM antenna and the AM antenna are respectively integrated on the rear windshield of the automobile.

4. The distributed vehicle antenna structure of claim 1, further comprising:

the GNSS antenna is integrated on the rearview mirror and is kept to be installed in parallel with the ground.

5. The distributed vehicle antenna structure of claim 1, further comprising:

the WiFi antenna and the BT antenna are printed on a PCB inside the intelligent antenna box, and the intelligent antenna box is installed in the center console.

6. The distributed vehicle antenna structure of claim 1, further comprising:

the 5G MIMO antenna is integrated to be arranged on a front windshield, keeps a preset distance with the V2X antenna and the ETC antenna, and is connected with the center console.

7. The distributed vehicle antenna structure of claim 6, further comprising: the 5G MIMO antenna further comprises at least:

5G-main antenna, 5G-diversity antenna, 5G-MIMO3 antenna and 5G-MIMO4 antenna;

8. The distributed vehicle antenna structure of claim 1,

the medium substrate is made of a transparent film material.

9. An antenna integrated glass, characterized in that at least comprises a front windshield, a rear windshield and a rearview mirror of an automobile, and the vehicle-mounted antenna structure according to any one of claims 1-8 is correspondingly arranged on the antenna integrated glass, or at least embedded into the antenna integrated glass.

10. A vehicle comprising at least a vehicle antenna arrangement according to any of claims 1-8, and wherein the vehicle is at least a convertible vehicle or a panorama sunroof vehicle.