CN220963760U - Vehicle-mounted shark fin integrated antenna - Google Patents
Vehicle-mounted shark fin integrated antenna Download PDFInfo
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- CN220963760U CN220963760U CN202322452100.5U CN202322452100U CN220963760U CN 220963760 U CN220963760 U CN 220963760U CN 202322452100 U CN202322452100 U CN 202322452100U CN 220963760 U CN220963760 U CN 220963760U
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- 241000251730 Chondrichthyes Species 0.000 title claims abstract description 80
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a vehicle-mounted shark fin integrated antenna, which comprises a shark fin shell, wherein the shark fin shell comprises a shark fin upper shell and a shark fin lower shell which are detachably connected; an antenna bottom plate is arranged on the shark fin lower shell; the antenna base plate is provided with a first antenna part, a second antenna part and a third antenna part from front to back in sequence, the first antenna part, the second antenna part and the third antenna part divide the shark fin inner space into three parts through the arrangement of metal on the antenna base plate, the first antenna part comprises a plurality of GNSS antennas, the second antenna part comprises a plurality of 5G antennas, and the third antenna part comprises a plurality of V2X antennas. According to the utility model, through reasonably arranging each antenna in the shark fin shell, the performance of each antenna is ensured, more electromagnetic interference and electromagnetic coupling are avoided, the electromagnetic compatibility of the whole antenna system is improved, and the reasonable layout of the existing antenna system is improved, so that the diversity of automobile functions is improved.
Description
Technical Field
The utility model belongs to the technical field of antennas, and particularly relates to a vehicle-mounted shark fin integrated antenna.
Background
At present, with the development of mobile communication technology, particularly the arrival of 5G communication and internet of vehicles technology, the functions of wireless networking are more and more emphasized on automobiles, so that the number of antennas and the antenna arrangement become more and more challenges.
In the related art, the conventional vehicle-mounted antenna design scheme integrates the GNSS antenna and the 4G antenna in a shark fin with a small size, but with the addition of the 5G antenna and the V2X antenna, the number of the antennas is increased more and more, so that the space between the antennas in the shark fin is reduced, the antennas are mutually influenced, the performance of the antenna is deteriorated, the problems of electromagnetic interference, electromagnetic coupling and the like occur, the electromagnetic compatibility of the whole antenna system is reduced, and the normal operation of the vehicle-mounted antenna system is influenced. At the same time, automobile factories are increasingly demanding in terms of automobile ID design and aesthetics, controlling the size of the shark fins, and it is desirable that the shark fins be as small as possible, thereby increasing challenges for vehicle antenna design. Therefore, how to design more and more antennas in shark fins with limited space and meet the performance of the antennas is a current urgent problem to be solved.
Disclosure of utility model
In view of the above, the present utility model aims to overcome the shortcomings of the prior art, and provides a vehicle-mounted shark fin integrated antenna to solve the existing problems of how to design more and more antennas in shark fins with limited space and meet the performance of the antennas.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an on-board shark fin integrated antenna comprising: a shark fin housing comprising a detachably connected shark fin upper housing and shark fin lower housing; an antenna bottom plate is arranged on the shark fin lower shell;
The antenna base plate is provided with a first antenna part, a second antenna part and a third antenna part from front to back in sequence, the first antenna part, the second antenna part and the third antenna part divide the shark fin inner space into three parts through arranging metal on the antenna base plate, the first antenna part comprises a plurality of GNSS antennas, the second antenna part comprises a plurality of 5G antennas, and the third antenna part comprises a plurality of V2X antennas.
Further, the plurality of 5G antennas includes: the antenna comprises a first 5G main antenna, a second 5G main antenna, a first 5G auxiliary antenna and a second 5G auxiliary antenna;
The first 5G main antenna, the second 5G main antenna, the first 5G auxiliary antenna and the second 5G auxiliary antenna are placed in a cross symmetry mode, wherein the first 5G main antenna and the second 5G main antenna are oppositely arranged, and the first 5G auxiliary antenna and the second 5G auxiliary antenna are oppositely arranged;
The first 5G main antenna comprises a 2G frequency band, a 3G frequency band, a 4G frequency band and a 5G frequency band, and the second 5G main antenna comprises a 2G frequency band, a 3G frequency band, a 4G frequency band and a 5G frequency band.
Further, a separation plate is arranged between the first 5G auxiliary antenna and the second 5G auxiliary antenna, and the length of the separation plate is one quarter wavelength.
Further, the isolation of every two 5G antennas is greater than 13dB, the elevation angle range of each 5G antenna is 0-30 degrees, the average gain of the used frequency is greater than-3 dBi, and the minimum gain is greater than-6 dBi.
Further, the first antenna part is positioned at the front end of the shark fin, and the GNSS antenna is formed by overlapping an upper ceramic antenna and a lower ceramic antenna with different sizes;
Wherein, the frequency band of the signals received by the upper layer ceramic antenna is 1559 MHz-1606 MHz, and the frequency band of the signals received by the lower layer ceramic antenna is 1166 MHz-1186 MHz or 1217 MHz-1238 MHz.
Further, the third antenna part is located at the tail end of the shark fin, the V2X antenna is made of a high-frequency substrate and is an array antenna, and each array antenna is composed of 2 array elements;
The elevation angle range of the V2X antenna is-10 degrees, and the average gain is greater than 4dBi.
Further, the plurality of V2X antennas includes a first V2X antenna and a second V2X antenna;
the first V2X antenna and the second V2X antenna are symmetrical with the central axis of the antenna base plate and are arranged on two sides of the antenna base plate.
Further, the shark fin shell has dimensions of 200mm long, 75mm wide and 70mm high.
Further, the antenna base plate adopts a PCB.
Furthermore, the upper shark fin shell and the lower shark fin shell are both made of plastic.
By adopting the technical scheme, the utility model has the following beneficial effects:
According to the vehicle-mounted shark fin integrated antenna provided by the embodiment of the application, each antenna is reasonably distributed in the shark fin shell, so that the performance of each antenna is ensured, more electromagnetic interference and electromagnetic coupling are avoided, the electromagnetic compatibility of the whole antenna system is improved, the reasonable layout of the existing antenna system is improved, the diversity of the vehicle functions is improved, the vehicle-mounted shark fin antenna reasonably distributes different types of antennas by adopting a scheme of combining a 5G antenna, a GNSS antenna and a V2X antenna, and the requirements of the future vehicle industry on diversity and multiple functions of the antenna system are met.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a vehicle-mounted shark fin integrated antenna according to the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
A specific vehicle-mounted shark fin integrated antenna provided in an embodiment of the present application is described below with reference to the accompanying drawings.
As shown in fig. 1, the present utility model provides a vehicle-mounted shark fin integrated antenna, comprising: a shark fin housing 1, the shark fin housing 1 comprising a detachably connected shark fin upper shell 11 and a shark fin lower shell 12; an antenna bottom plate 13 is arranged on the shark fin lower shell 12;
The antenna base plate 13 is provided with a first antenna portion, a second antenna portion and a third antenna portion from front to back in sequence, the antenna base plate 13 is provided with metal so that the first antenna portion, the second antenna portion and the third antenna portion divide the shark fin inner space into three parts, the first antenna portion comprises a plurality of GNSS antennas 21, the second antenna portion comprises a plurality of 5G antennas, and the third antenna portion comprises a plurality of V2X antennas.
Specifically, in the present application, a plurality of GNSS antennas 21, a plurality of 5G antennas and a plurality of V2X antennas are all disposed in the shark fin housing 1, and the antenna base 13 divides the shark fin space into three areas, front, middle and rear.
The working principle of the vehicle-mounted shark fin integrated antenna provided by the application is that the 5G antenna, the GNSS antenna 21 and the V2X antenna are combined, and the space inside the shark fin shell 1 is divided to reasonably layout different types of antennas, so that the requirements of the future automobile industry on diversity and multiple functions of an antenna system can be met, and the shark fin antenna simultaneously gives consideration to various antenna functions such as vehicle-mounted acoustic navigation, system entertainment, road safety and the like, and brings excellent use experience to users.
In some embodiments, as shown in fig. 1, the plurality of 5G antennas includes: a first 5G main antenna 14, a second 5G main antenna 15, a first 5G sub antenna 16, and a second 5G sub antenna 17;
the first 5G main antenna 14, the second 5G main antenna 15, the first 5G auxiliary antenna 16 and the second 5G auxiliary antenna 17 are disposed in a cross symmetry manner, wherein the first 5G main antenna 14 and the second 5G main antenna 15 are disposed opposite to each other, and the first 5G auxiliary antenna 16 and the second 5G auxiliary antenna 17 are disposed opposite to each other;
the first 5G main antenna 14 includes a 2G band, a 3G band, a 4G band, and a 5G band, and the second 5G main antenna 15 includes a 2G band, a 3G band, a 4G band, and a 5G band.
Specifically, the antenna base 13 of the present application divides the shark fin space into three regions, front, middle and rear. The front end position of the antenna base plate 13 is provided with a GNSS antenna 21. The rear end position of antenna bottom plate 13 is provided with the V2X antenna, and the middle part is provided with first 5G main antenna 14, second 5G main antenna 15, first 5G auxiliary antenna 16 and second 5G auxiliary antenna 17, and first 5G main antenna 14 sets up at the middle part rear end, and second 5G main antenna 15 is close to the middle part front end, and first 5G auxiliary antenna 16 sets up on the middle part right side, and second 5G auxiliary antenna 17 sets up in the middle part left side, and first 5G auxiliary antenna 16 and second 5G auxiliary antenna 17 are with the axis symmetry.
In some embodiments, a spacer 18 is disposed between the first 5G secondary antenna 16 and the second 5G secondary antenna 17, and the length of the spacer 18 is a quarter wavelength.
In some embodiments, the isolation between each two 5G antennas is greater than 13dB, the elevation angle of each 5G antenna ranges from 0 degrees to 30 degrees, the average gain of the used frequency is greater than-3 dBi, and the minimum gain is greater than-6 dBi.
Specifically, the isolation plate 18 is provided in the middle of the first 5G sub-antenna 16 and the second 5G sub-antenna 17. It will be appreciated that the first 5G sub-antenna 16 is on the midline between the first 5G sub-antenna 16 and the second 5G sub-antenna 17 with the second 5G sub-antenna 17, and that the first 5G sub-antenna 16 and the second 5G sub-antenna 17 are symmetrically arranged with a spacer 18.
It is understood that the first 5G main antenna 14 includes 2G band, 3G band, 4G band, and 5G band. The second 5G main antenna 15 includes a 2G band, a 3G band, a 4G band, and a 5G band. The height of the first 5G main antenna 14 is higher than that of the second 5G main antenna 15, because the first 5G main antenna 14 and the second 5G main antenna 15 both comprise low-frequency sections, the antenna wires are longer and are easy to influence each other, so that the first 5G main antenna 14 and the second 5G main antenna are respectively arranged at two positions on the antenna base plate 13 with a longer interval, and the ground of the antenna base plate 13 is separated by metal, so that the isolation between the antennas can be controlled to be more than 13dB through reasonable layout, and the performance of the single antenna can be well ensured.
As a preferred embodiment, the first 5G sub-antenna 16 comprises a 2G band, a 3G band, a 4G band and a 5G majority band. The second 5G sub-antenna 17 comprises a 2G band, a 3G band, a 4G band and a 5G majority band. The first 5G antenna and the second 5G antenna are designed consistently, because the first 5G antenna and the second 5G antenna only comprise high-frequency bands, the signal wavelength is short, the penetrating power is strong, and the signals are easy to influence each other, therefore, the isolation plate 18 is arranged between the two antennas, the isolation degree between the antennas can be controlled to be more than 13dB through reasonable layout, and the performance of the single antenna can be well ensured.
In some embodiments, the first antenna part is located at the front end of the shark fin, and the GNSS antenna 21 is formed by stacking two ceramic antennas with different sizes;
Wherein, the frequency band of the signals received by the upper layer ceramic antenna is 1559 MHz-1606 MHz, and the frequency band of the signals received by the lower layer ceramic antenna is 1166 MHz-1186 MHz or 1217 MHz-1238 MHz.
In some embodiments, the third antenna portion is located at a tail end of the shark fin, and the V2X antenna is made of a high-frequency substrate and is an array antenna, and each array antenna is composed of 2 array elements;
The elevation angle range of the V2X antenna is-10 degrees, and the average gain is greater than 4dBi.
In some embodiments, the plurality of V2X antennas includes a first V2X antenna 19 and a second V2X antenna 20;
The first V2X antenna 19 and the second V2X antenna 20 are symmetrical about the central axis of the antenna base 13, and are disposed on both sides of the antenna base 13.
In the present application, the first V2X antenna 19 and the second V2X antenna 20 are 2-array antennas, and have a height lower than the first 5G main antenna 14 and higher than the second 5G main antenna 15.
In some embodiments, the antenna chassis 13 is a PCB board.
In some embodiments, the shark fin housing 11 has dimensions of 200mm long, 75mm wide and 70mm high, the number of antennas is seven, and seven antennas are all located in the shark fin housing 1, and under the limiting conditions of the appearance dimensions of the shark fin housing 11 and the number of antennas, the antennas are reasonably arranged, so that isolation among the antennas is ensured, more electromagnetic interference and electromagnetic coupling are avoided, and electromagnetic compatibility of the whole antenna system is improved.
In some embodiments, the shark fin upper shell 11 and the shark fin lower shell 12 are both made of plastic.
The shark fin space is divided into three areas, front, middle and rear, by the antenna base 13 in the present application. The front end position of the antenna base plate 13 is provided with a GNSS antenna 21. The rear end position of the antenna base plate 13 is provided with a V2X antenna, and the first V2X antenna 19 and the second V2X antenna 20 are disposed on both right and left sides of the base plate and are symmetrical with each other about a central axis. The middle part of antenna bottom plate 13 is provided with first 5G main antenna 14, second 5G main antenna 15, first 5G auxiliary antenna 16 and second 5G auxiliary antenna 17, and first 5G main antenna 14 sets up at the middle part rear end, and second 5G main antenna 15 is close to the middle part front end, and first 5G auxiliary antenna 16 sets up in the middle part right side, and second 5G auxiliary antenna 17 sets up in the middle part left side, and first 5G auxiliary antenna 16 and second 5G auxiliary antenna 17 are with the axis symmetry. The spacer 18 is provided in the middle of the first 5G sub-antenna 16 and the second 5G sub-antenna 17. The vehicle-mounted shark fin integrated antenna is simple in structure, reasonable in layout of each antenna, performance of each antenna is guaranteed, more electromagnetic interference and electromagnetic coupling are avoided, and electromagnetic compatibility of the whole antenna system is improved.
In summary, the vehicle-mounted shark fin integrated antenna provided by the utility model has a simple structure, and each antenna is reasonably arranged under the limiting conditions of the appearance size of the shark fin shell and the number of the antennas, so that the performance of each antenna is ensured, more electromagnetic interference and electromagnetic coupling are avoided, and the electromagnetic compatibility of the whole antenna system is improved. The reasonable layout of the existing antenna system is improved, so that the diversity of automobile functions is improved, the 5G vehicle-mounted shark fin antenna reasonably lays out different types of antennas by adopting a scheme of combining a 5G antenna, a GNSS antenna and a V2X antenna, so that the requirements of the future automobile industry on diversity and multiple functions of the antenna system are met, and the shark fin antenna simultaneously gives attention to various antenna functions such as vehicle-mounted acoustic navigation, system entertainment and road safety, and brings excellent use experience to users.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. An on-board shark fin integrated antenna comprising: a shark fin housing comprising a detachably connected shark fin upper housing and shark fin lower housing; an antenna bottom plate is arranged on the shark fin lower shell;
The antenna base plate is provided with a first antenna part, a second antenna part and a third antenna part from front to back in sequence, the first antenna part, the second antenna part and the third antenna part divide the shark fin inner space into three parts through arranging metal on the antenna base plate, the first antenna part comprises a plurality of GNSS antennas, the second antenna part comprises a plurality of 5G antennas, and the third antenna part comprises a plurality of V2X antennas.
2. The vehicle-mounted shark fin integrated antenna of claim 1, wherein the plurality of 5G antennas comprises: the antenna comprises a first 5G main antenna, a second 5G main antenna, a first 5G auxiliary antenna and a second 5G auxiliary antenna;
The first 5G main antenna, the second 5G main antenna, the first 5G auxiliary antenna and the second 5G auxiliary antenna are placed in a cross symmetry mode, wherein the first 5G main antenna and the second 5G main antenna are oppositely arranged, and the first 5G auxiliary antenna and the second 5G auxiliary antenna are oppositely arranged;
The first 5G main antenna comprises a 2G frequency band, a 3G frequency band, a 4G frequency band and a 5G frequency band, and the second 5G main antenna comprises a 2G frequency band, a 3G frequency band, a 4G frequency band and a 5G frequency band.
3. The vehicle-mounted shark fin integrated antenna of claim 2 wherein the antenna is configured to,
And a separation plate is arranged between the first 5G auxiliary antenna and the second 5G auxiliary antenna, and the length of the separation plate is one quarter wavelength.
4. The vehicle-mounted shark fin integrated antenna of claim 2 wherein the antenna is configured to,
The isolation degree of every two 5G antennas is larger than 13dB, the elevation angle range of each 5G antenna is 0-30 degrees, the average gain of the used frequency is larger than-3 dBi, and the minimum gain is larger than-6 dBi.
5. The vehicle-mounted shark fin integrated antenna of claim 1 wherein the antenna is configured to,
The first antenna part is positioned at the front end of the shark fin, and the GNSS antenna is formed by overlapping an upper ceramic antenna and a lower ceramic antenna with different sizes;
Wherein, the frequency band of the signals received by the upper layer ceramic antenna is 1559 MHz-1606 MHz, and the frequency band of the signals received by the lower layer ceramic antenna is 1166 MHz-1186 MHz or 1217 MHz-1238 MHz.
6. The vehicle-mounted shark fin integrated antenna of claim 1 wherein the antenna is configured to,
The third antenna part is positioned at the tail end of the shark fin, the V2X antenna is made of a high-frequency substrate and is an array antenna, and each array antenna consists of 2 array elements;
The elevation angle range of the V2X antenna is-10 degrees, and the average gain is greater than 4dBi.
7. The vehicle-mounted shark fin integrated antenna of any of claims 1 to 6,
The plurality of V2X antennas includes a first V2X antenna and a second V2X antenna;
the first V2X antenna and the second V2X antenna are symmetrical with the central axis of the antenna base plate and are arranged on two sides of the antenna base plate.
8. The vehicle-mounted shark fin integrated antenna of claim 2 wherein the antenna is configured to,
The shark fin shell has dimensions of 200mm long, 75mm wide and 70mm high.
9. The vehicle-mounted shark fin integrated antenna of claim 1 wherein the antenna is configured to,
The antenna base plate adopts a PCB.
10. The vehicle-mounted shark fin integrated antenna of claim 1 wherein the antenna is configured to,
The upper shark fin shell and the lower shark fin shell are both made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322452100.5U CN220963760U (en) | 2023-09-08 | 2023-09-08 | Vehicle-mounted shark fin integrated antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322452100.5U CN220963760U (en) | 2023-09-08 | 2023-09-08 | Vehicle-mounted shark fin integrated antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220963760U true CN220963760U (en) | 2024-05-14 |
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ID=90972848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322452100.5U Active CN220963760U (en) | 2023-09-08 | 2023-09-08 | Vehicle-mounted shark fin integrated antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220963760U (en) |
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2023
- 2023-09-08 CN CN202322452100.5U patent/CN220963760U/en active Active
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