CN211088502U

CN211088502U - Shark fin smart antenna

Info

Publication number: CN211088502U
Application number: CN201921989188.1U
Authority: CN
Inventors: 陈海清; 薛华斌; 朱晓颖
Original assignee: Shanghai Amphenol Airwave Communication Electronics Co Ltd
Current assignee: Shanghai Amphenol Airwave Communication Electronics Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-24
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a shark fin smart antenna, including shell, PCB board, bottom plate and antenna system, PCB board and antenna system set up in the shell closes the cavity that forms with the bottom plate lid, antenna system includes one or more antennas in a plurality of 5G antennas, GNSS antenna, V2X-F antenna, V2X-R antenna and the SDARS antenna. The utility model discloses can realize the arbitrary combination overall arrangement of multiple antennas such as a plurality of 5G antennas, GNSS antenna, V2X-F antenna, V2X-R antenna and SDARS antenna, satisfy different scene application demands.

Description

Shark fin smart antenna

Technical Field

The application relates to the technical field of shark fin antennas, in particular to a shark fin intelligent antenna.

Background

At present, mainstream vehicle-mounted communication antennas are often designed in shark fins, and a 2G/3G/4G main antenna, a 2G/3G/4G diversity antenna, a GNSS satellite positioning antenna and the like are arranged in the shark fin intelligent antenna at present. The arrival of the 5G technology provides higher transmission rate and transmission quality, more antennas need to be integrated into the shark fin smart antenna to meet the requirement of 5G, the integration of multiple antennas can cause poor antenna isolation, crosstalk is generated between signals, and the antenna performance is influenced.

With the increasing maturity of the vehicle-mounted 5G and V2X technologies, more antennas need to be integrated inside the shark fin smart antenna. As multimedia receivers, positioning and navigation receivers and communication modules are increasingly integrated into one PCB, more antennas are required to perform their functions. However, when the antennas are dispersedly arranged at different positions of the whole vehicle, loss of the cables is brought certainly, in order to avoid loss of the cables and guarantee isolation performance between the antennas, the problem that how to distribute the antennas inside the shark fins and reasonably utilize space becomes important attention is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel shark fin smart antenna, can more effectively utilize shark fin inner space, improve the isolation between each antenna, promote the antenna performance.

In order to solve the above problem, the utility model provides a shark fin smart antenna, including shell, PCB board, bottom plate and antenna system, PCB board and antenna system set up in the shell closes the cavity that forms with the bottom plate lid, antenna system includes the combination of any kind or multiple antenna in a plurality of 5G antennas, GNSS antenna, V2X-F antenna, V2X-R antenna and the SDARS antenna.

Preferably, the 5G antennas are all disposed on the PCB or partially disposed on the PCB and partially disposed on the housing.

Preferably, the plurality of 5G antennas includes a first 5G antenna, a second 5G antenna, a third 5G antenna and a fourth 5G antenna.

Preferably, the first 5G antenna is disposed at a position close to the front end of the PCB, the second 5G antenna is disposed at a position close to the rear end of the PCB, and the third 5G antenna and the fourth 5G antenna are disposed at left and right positions of the PCB respectively.

Preferably, the first 5G antenna is disposed on the PCB near the front end, the second 5G antenna is disposed on the PCB near the rear end, and the third 5G antenna and the fourth 5G antenna are disposed on the housing.

Preferably, the first 5G antenna frequency covers 617-.

Preferably, the GNSS antenna is disposed at a front position or a rear position of the first 5G antenna on the PCB.

Preferably, the GNSS antenna is a dual-band high-precision GNSS antenna.

Preferably, the V2X-F antenna is disposed on the PCB board in a position forward of the first 5G antenna.

Preferably, the PCB further comprises a V2X-R antenna, and the V2X-R antenna is arranged at the rear position of the second 5G antenna on the PCB.

Preferably, the antenna also comprises an SDARS antenna, and the SDARS antenna is arranged between the V2X-F antenna and the first 5G antenna on the PCB board.

Preferably, the 5G antenna, the V2X-F antenna and the V2X-R antenna can be PCB antennas, coil antennas, steel sheet antennas or L DS antennas respectively.

Compared with the prior art, the utility model discloses there are following technological effect:

1. the embodiment of the utility model provides a can realize the arbitrary combination overall arrangement of multiple antennas such as a plurality of 5G antennas, GNSS antenna, V2X-F antenna, V2X-R antenna and SDARS antenna, satisfy different scene application demands.

2. The embodiment of the utility model provides a through set up the 5G antenna respectively on PCB board and casing, make the antenna layout become three-dimensionally from the two dimension, improve the space isolation.

3. The embodiment of the utility model provides a can adopt PCB antenna, coil antenna, steel sheet antenna or L DS antenna to different antennas according to different scenes, improve the flexibility of antenna layout, improve the space isolation, promote the antenna performance.

4. The embodiment of the utility model provides a GNSS antenna adopts dual-frenquency high accuracy GNSS antenna, and supports the GNSS antenna and adopts pottery, high dielectric plastics + stamping, high dielectric plastics + printing metal thick liquid (silver thick liquid, copper prize etc.), high dielectric plastics + PCB, high dielectric plastics + FPC or high dielectric plastics + L DS scheme, improves GNSS positioning system's accuracy and interference immunity, realizes that positioning accuracy promotes the millimeter level by the meter level through the dual-frenquency antenna.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts. In the drawings:

fig. 1 is a schematic structural diagram of a shark fin smart antenna according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a shark fin smart antenna including 4 antennas of 5G and 1 GNSS antennas according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a shark fin smart antenna including 4 antennas of 5G, 1 GNSS and 1V 2X-F according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a shark fin smart antenna including 4 5G antennas, 1 GNSS antenna, 1V 2X-F antenna, and 1V 2X-R antenna according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a shark fin smart antenna according to a third embodiment of the present invention;

fig. 6 is a schematic structural diagram of a shark fin smart antenna according to a fourth embodiment of the present invention;

fig. 7 is a schematic structural diagram of a shark fin smart antenna including five 4 antennas 5G and 1V 2X-F according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a shark fin smart antenna including five 4 antennas, 5G antenna, 1V 2X-F antenna, and 1V 2X-R antenna according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a shark fin smart antenna including 4 5G antennas, 1 GNSS antenna, 1V 2X-F antenna, 1V 2X-R antenna, and 1 SDARS antenna according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a shark fin smart antenna according to a sixth embodiment of the present invention.

Detailed Description

The present invention provides a shark fin smart antenna, which will be described in detail with reference to the accompanying drawings, and the present embodiment is implemented on the premise of the technical solution of the present invention, and provides detailed embodiments and specific operation procedures, but the protection scope of the present invention is not limited to the following embodiments, and those skilled in the art can modify and color the shark fin smart antenna without changing the spirit and content of the present invention.

Example one

Referring to fig. 1, a shark fin smart antenna includes a housing 1, a PCB 3, a bottom plate 2 and an antenna system 4, where the PCB 3 and the antenna system 4 are disposed in a cavity formed by the housing 1 and the bottom plate 2, the antenna system 4 includes a first 5G antenna 41, a second 5G antenna 42, a third 5G antenna 43 and a fourth 5G antenna 44, where the first 5G antenna 41 is disposed on the PCB 3 near a front end, the second 5G antenna 42 is disposed on the PCB 3 near a rear end, and the third 5G antenna 43 and the fourth 5G antenna 44 are disposed on left and right sides of the PCB 3, respectively.

Here, the first 5G antenna 41, the second 5G antenna 42, the third 5G antenna 43 and the fourth 5G antenna 44 may be PCB antennas, coil antennas or steel sheet antennas, respectively, according to practical requirements, and in fig. 1, the first 5G antenna 41, the second 5G antenna 42, the third 5G antenna 43 and the fourth 5G antenna 44 are all PCB antennas.

In this embodiment and the following embodiments, all antennas can be realized by using a socket and welding method, unless otherwise specified.

The first 5G antenna 41 frequency covers 617-.

Example two

Referring to fig. 2, on the basis of the shark fin smart antenna of the first embodiment, a GNSS antenna 45 is further included, the GNSS antenna 45 is disposed between the first 5G antenna 41 and the second 5G antenna 42 on the PCB 3, in this embodiment, the GNSS antenna 45 is disposed near the second 5G antenna 42.

The GNSS antenna 45 is a dual-frequency high-precision GNSS antenna, L1 & L2 & L5 three frequencies are realized by adopting a double-feed laminating mode, the GNSS antenna 45 can adopt the schemes of ceramic materials, high-medium plastics + stabilizing, high-medium plastics + printed metal paste (silver paste, copper paste and the like), high-medium plastics + PCB, high-medium plastics + FPC, high-medium plastics + L DS and the like, the multi-band coverage can be realized, and the GNSS antenna is small in size and excellent in performance.

As a preferred embodiment, please refer to fig. 3, further comprising a V2X-F antenna 46, wherein the V2X-F antenna 46 may be a PCB antenna, a coil antenna or a steel sheet antenna, and the V2X-F antenna 46 is disposed at a front position of the first 5G antenna 41 on the PCB 3, and the frequency covers 5850 and 5935 MHz.

Referring to fig. 4, a preferred embodiment further includes a V2X-R antenna 47, the V2X-R antenna 47 may be a PCB antenna, a coil antenna or a steel sheet antenna, the V2X-R antenna 47 is disposed at a position behind the second 5G antenna 42 on the PCB 3, and the frequency covers 5850 and 5935 MHz.

Referring to fig. 9, as a preferred embodiment, the cellular phone further includes an SDARS antenna 48, the SDARS antenna 48 is disposed between the V2X-F antenna 46 and the first 5G antenna 41 on the PCB board 3, so as to realize integration of the plurality of 5G antennas, GNSS antennas, V2X-F antennas, V2X-R antennas and SDARS antennas, in this embodiment, the frequency of the SDARS antenna covers 2320-2345 MHz.

In the embodiment, the 5G antenna, the GNSS antenna, the V2X-F antenna, the V2X-R antenna and the SDARS antenna are all PCB antennas, and because the PCB antennas are stable in performance and small in occupied space, the internal height of the shark fins can be better utilized, and the performance of the antennas is improved; meanwhile, the GNSS antenna adopts double-fed lamination, multi-band coverage can be realized, the size of the antenna is small, and the performance is excellent; through adopting this multiaerial integration in shark fin shell structure, when guaranteeing the antenna performance, can reduce whole car wiring, reduce the cable loss, reduce cost.

Understandably, according to the actual application needs, the types of the antennas can adopt antennas such as a PCB antenna, a steel sheet antenna, a coil antenna or an L DS antenna, the reasonable layout of the antennas is realized, the available antenna space inside the shark fin is increased, the number of the antennas is effectively increased, the performance of the antennas is improved, and the attractiveness and the practicability of the shark fin are improved.

EXAMPLE III

Referring to fig. 5, the first 5G antenna 41, the second 5G antenna 42, the third 5G antenna 43, the fourth 5G antenna 44, the V2X-F antenna 46, and the V2X-R antenna 47 in the second embodiment are all replaced by steel plate antennas, which can adapt to the more complicated internal space of the shark fin, effectively utilize the space for antenna routing, and improve the performance of the antenna.

Example four

Referring to fig. 6, the first 5G antenna 41, the second 5G antenna 42, the third 5G antenna 43, the fourth 5G antenna 44, the V2X-F antenna 46, and the V2X-R antenna 47 in the second embodiment are all replaced by coil antennas, which can adapt to the more complicated internal space of the shark fin, effectively utilize the space for antenna routing, and improve the performance of the antenna.

EXAMPLE five

Referring to FIG. 7, the shark fin smart antenna according to the first embodiment further includes a V2X-F antenna 46, and the V2X-F antenna 46 may be a PCB antenna, a coil antenna or a steel plate antenna.

In this embodiment, the V2X-F antenna 46 is a PCB antenna and is disposed in front of the first 5G antenna 41 on the PCB 3.

Preferably, referring to fig. 8, the V2X-R antenna 47 is further included, and the V2X-R antenna 47 may be a PCB antenna, a coil antenna or a steel sheet antenna.

In this embodiment, the V2X-R antenna 47 is a PCB antenna and is disposed behind the second 5G antenna 42 on the PCB 3.

EXAMPLE six

On the basis of the first to fifth embodiments, the third 5G antenna 43 and the fourth 5G antenna can be arranged on the housing 1, and the L DS process is specifically adopted to implement antenna routing, so that the third 5G antenna 43 and the fourth 5G antenna are formed inside the cavity, the antenna heights of the third 5G antenna 43 and the fourth 5G antenna are increased, and the antenna performance can be effectively improved.

Here, the positional arrangement of the third 5G antenna 43 and the fourth 5G antenna 44 is explained as a specific example. Referring to fig. 10, in a cavity formed by the housing 1 and the bottom plate 2, the antenna system 4 includes a first 5G antenna 41, a second 5G antenna 42, a third 5G antenna 43, and a fourth 5G antenna 44, wherein the first 5G antenna 41 is disposed on the PCB 3 near the front end, the second 5G antenna 42 is disposed on the PCB 3 near the rear end, the third 5G antenna 43 and the fourth 5G antenna 44 are disposed inside the housing 1, the GNSS antenna 45 is disposed on the PCB 3 between the first 5G antenna 41 and the second 5G antenna 42, and the V2X-F antenna 46 is disposed on the PCB 3 in front of the first 5G antenna 41.

The disclosure above is only one specific embodiment of the present application, but the present application is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present application.

Claims

1. A shark fin smart antenna, comprising a housing, a PCB, a base plate, and an antenna system, the PCB and the antenna system disposed within a cavity formed by the housing and the base plate, the antenna system comprising one or more of a plurality of 5G antennas, a GNSS antenna, a V2X-F antenna, a V2X-R antenna, and an SDARS antenna.

2. A shark fin smart antenna according to claim 1, wherein a plurality of the 5G antennas are all provided on the PCB board or are partially provided on the PCB board and partially provided on the housing.

3. The shark fin smart antenna of claim 2, wherein the plurality of 5G antennas comprises a first 5G antenna, a second 5G antenna, a third 5G antenna, and a fourth 5G antenna.

4. A shark fin smart antenna according to claim 3, wherein the first 5G antenna is located near a front end of the PCB, the second 5G antenna is located near a rear end of the PCB, and the third 5G antenna and the fourth 5G antenna are located at left and right positions of the PCB, respectively.

5. A shark fin smart antenna according to claim 3, wherein the first 5G antenna is provided on the PCB near a front end, the second 5G antenna is provided on the PCB near a rear end, and the third 5G antenna and the fourth 5G antenna are provided on the housing.

6. The shark fin smart antenna as claimed in claim 3, wherein the first 5G antenna frequency covers 617-.

7. Shark fin smart antenna according to claim 4 or 5, wherein the GNSS antenna is arranged in front of or behind the first 5G antenna on the PCB board.

8. The shark fin smart antenna of claim 1, wherein the GNSS antenna is a dual-frequency high-precision GNSS antenna.

9. Shark fin smart antenna according to claim 4 or 5, wherein the V2X-F antenna is arranged on the PCB board in front of the first 5G antenna.

10. A shark fin smart antenna according to claim 4 or 5, further comprising a V2X-R antenna, the V2X-R antenna being disposed on the PCB board at a location behind a second 5G antenna.

11. The shark fin smart antenna of claim 9, further comprising an SDARS antenna disposed on the PCB between the V2X-F antenna and the first 5G antenna.

12. The shark fin smart antenna of claim 1, wherein the 5G antenna, the V2X-F antenna, and the V2X-R antenna may be PCB antennas, coil antennas, steel sheet antennas, or L DS antennas, respectively.