CN213636307U - Novel high-isolation 5G MIMO vehicle-mounted T-box vehicle machine structure - Google Patents

Abstract

The utility model relates to a novel high isolation 5G MIMO vehicle-mounted T-box car machine structure, comprises a box bod, the PCB board of setting in the box body, 5G communication host computer module, MCU, 5G main antenna, 5G diversity antenna, first 5G MIMO antenna and second 5G MIMO antenna etching are distributed on the first face of PCB board and along PCB all around, 5G communication host computer module and MCU set up on the first face of PCB board, 5G communication host computer module respectively with MCU, 5G main antenna, 5G diversity antenna, first 5G MIMO antenna and second 5G MIMO antenna communication are connected. The utility model discloses a set up 5G communication host computer module and a plurality of antenna element compactly in a box body, and a plurality of antenna element distribute around the PCB board, realized the high isolation design.

Description

Novel high-isolation 5G MIMO vehicle-mounted T-box vehicle machine structure

Technical Field

The utility model relates to a vehicle-mounted T-Box car machine technical field, more specifically relates to novel high isolation 5G MIMO vehicle-mounted T-Box car machine structure.

Background

With the arrival of the 5G, V2X and high-precision positioning era, the number and the types of vehicle-mounted antennas are greatly increased, the height of the traditional shark fin is high, the gain is easy to realize, but the internal space of the shark fin is very limited in consideration of the aesthetic design of a vehicle body and the influence of air resistance, the 5G vehicle-mounted radio frequency module which is luxurious and high in the market supports 4 × 4MIMO at present, and the isolation of the communication antenna is generally required to be more than 15 dB. As 4 5G antennas are concentrated in shark fins, isolation is more difficult to achieve.

Meanwhile, the T-box is connected with the antenna through a coaxial radio frequency wire, the wire length generally needs to be high-frequency low-loss coaxial, and the wire harness is high in cost and large in loss. In the design of the built-in antenna, the traditional communication antenna only needs to cover 2G/3G/4G and cannot meet the requirement of the bandwidth of the 5G intelligent antenna.

SUMMERY OF THE UTILITY MODEL

The utility model provides a overcome the problem that current shark fin isolation is low, can not satisfy the communication requirement of 5G smart antenna bandwidth simultaneously, provide a novel high isolation 5G MIMO vehicle-mounted T-box car machine structure.

The utility model provides a novel high isolation 5G MIMO vehicle-mounted T-box car machine structure, is in including box body, setting PCB board, 5G communication host computer module, MCU, 5G main antenna, 5G diversity antenna, first 5G MIMO antenna and second 5G MIMO antenna in the box body, 5G main antenna, 5G diversity antenna, first 5G MIMO antenna and second 5G MIMO antenna etching are in on the first face of PCB board and follow PCB distributes all around, 5G communication host computer module and MCU set up on the first face of PCB board, 5G communication host computer module respectively with MCU, 5G main antenna, 5G diversity antenna, first 5G MIMO antenna and second 5G MIMO antenna communication connection.

Further, as an optimal technical scheme, the wireless communication system further comprises a BLE antenna, a WIFI antenna and a GNSS antenna, wherein the BLE antenna and the WIFI antenna are etched on the first surface of the PCB and distributed around the PCB, the GNSS antenna is arranged on the second surface of the PCB, and the BLE antenna, the WIFI antenna and the GNSS antenna are respectively in communication connection with the 5G communication host module.

Further, as a preferred technical solution, distances from the 5G main antenna, the 5G diversity antenna, the first 5G MIMO antenna, the second 5G MIMO antenna, the BLE antenna, and the WIFI antenna to a board edge of the PCB where the antennas are located are all less than or equal to 15 mm.

Further, as an optimal technical scheme, a WIFI signal processing module and a BLE signal processing module are further arranged on the PCB, the WIFI antenna is in communication connection with the 5G communication host module through the WIFI signal processing module, and the BLE antenna is in communication connection with the 5G communication host module through the BLE signal processing module.

Further, as preferred technical scheme, follow on the second face of PCB board a week still is equipped with V2X interface, CAN interface and ETH interface, 5G communication host computer module passes through V2X interface and peripheral hardware V2X antenna communication, MCU passes through the CAN interface and EMU communication connection in the car, 5G communication host computer module passes through the ETH interface and EMU communication connection in the car.

Further, as a preferred technical scheme, the mobile terminal further comprises a power module arranged on the PCB, and the power module is connected with the 5G communication host module.

Further, as a preferred technical solution, the 5G main antenna and the 5G diversity antenna are respectively distributed along two opposite short sides of the PCB, the first 5G MIMO antenna and the second 5G MIMO antenna are respectively distributed along two opposite long sides of the PCB, and the BLE antenna and the WIFI antenna are respectively distributed along two opposite long sides of the PCB and are respectively spaced from the first 5G MIMO antenna or the second 5G MIMO antenna.

Further, as a preferred technical scheme, a first through groove, a second through groove and a third through groove are respectively formed in the positions, corresponding to the V2X interface, the CAN interface and the ETH interface, of the box body at one circle.

Further, as a preferred technical scheme, the box body comprises an upper shell and a lower shell which are fixedly connected, and the first surface of the PCB is arranged opposite to the lower shell.

Furthermore, as preferred technical scheme be equipped with the box body plug connector on the casing down, the box body plug connector to go up the casing direction and extend.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the utility model realizes the high isolation design by compactly arranging the 5G communication host module and the plurality of antenna units in one box body, and the plurality of antenna units are distributed around the PCB, so that the isolation in the working frequency band reaches more than 15 dB; meanwhile, the plurality of antenna units are etched on the PCB by adopting a PCB manufacturing process, so that the production is easy, the edge of the PCB is fully utilized, and the product height cannot be increased. The produced product has thin shell and compact structure, is convenient to be arranged at the rear part of the car roof or on the spoiler, and can not temporarily use the space at the top of the head of a passenger; and 5G communication host computer module and a plurality of processing module set up in the suitable position that is close to PCB board middle part, and through this spatial layout, the isolation is better, and the GNSS antenna sets up in PCB board intermediate position, and axial ratio and directional diagram satisfy more easily. Finally, the product meets the requirement of 5G high-speed communication, can realize faster-speed communication and supports 1000MHz 5G data throughput.

Drawings

Fig. 1 is an explosion diagram of the present invention.

Fig. 2 is an explosion diagram of the present invention.

Fig. 3 is a schematic view of a first side structure of the PCB of the present invention.

Fig. 4 is a structural diagram of the present invention.

Fig. 5 is a structural diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the following embodiments.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.

Example 1

This embodiment discloses a novel high isolation 5G MIMO vehicle-mounted T-box car machine structure, as shown in fig. 1-5: the antenna comprises a box body 1, a PCB 2 arranged in the box body 1, and a plurality of antenna units, a plurality of connectors and a plurality of communication units which are arranged on the PCB. Because a plurality of antenna unit, a plurality of connector and a plurality of communication unit set up in a box body 1 compactly, reduced the size of box body 1, realized the car machine design of thickness less.

In this embodiment, the plurality of antenna units specifically include: the 5G master antenna 41, the 5G diversity antenna 42, the first 5G MIMO antenna 43 and the second 5G MIMO antenna 44, the BLE antenna 45, the WIFI antenna 46 and the GNSS antenna 47, whereas the 5G master antenna 41, the 5G diversity antenna 42, the first 5G MIMO antenna 43 and the second 5G MIMO antenna 44, the BLE antenna 45, the WIFI antenna 46 are etched on the first face of the PCB board 2 and distributed along the periphery of the PCB, and the GNSS antenna 47 is disposed on the second face of the PCB board 2.

Meanwhile, the distances from the 5G main antenna 41, the 5G diversity antenna 42, the first 5G MIMO antenna 43, the second 5G MIMO antenna 44, the BLE antenna 45 and the WIFI antenna 46 to the board edge of the PCB board 2 where the antennas are located are all less than or equal to 15mm, and preferably, the distances from the 5G main antenna 41, the 5G diversity antenna 42, the first 5G MIMO antenna 43, the second 5G MIMO antenna 44, the BLE antenna 45 and the WIFI antenna 46 to the board edge of the PCB board 2 where the antennas are located are all less than or equal to 10 mm.

The 5G main antenna 41 is a 2G/3G/4G/5G main antenna, and the 5G diversity antenna 42 is a 3G/4G/5G diversity antenna.

In this embodiment, the setting positions of the multiple antenna units are specifically: the 5G main antenna 41 and the 5G diversity antenna 42 are respectively distributed along two opposite short sides of the PCB 2, the first 5G MIMO antenna 43 and the second 5G MIMO antenna 44 are respectively distributed along two opposite long sides of the PCB 2, and the BLE antenna 45 and the WIFI antenna 46 are respectively distributed along two opposite long sides of the PCB 2 and are respectively spaced from the first 5G MIMO antenna 43 or the second 5G MIMO antenna 44.

In another embodiment, the setting positions of the plurality of antenna units are specifically: the 5G main antenna 41 and the 5G diversity antenna 42 are respectively distributed along two opposite long sides of the PCB 2, the first 5G MIMO antenna 43 and the second 5G MIMO antenna 44 are respectively distributed along two opposite short sides of the PCB 2, and the BLE antenna 45 and the WIFI antenna 46 are respectively distributed along two opposite long sides of the PCB 2 and are respectively spaced from the 5G main antenna 41 and the 5G diversity antenna 42.

The utility model discloses in, 5G main antenna 41, 5G diversity antenna 42, first 5G MIMO antenna 43, second 5G MIMO antenna 44, BLE antenna 45 and WIFI antenna 46 are all distributed all around along PCB on PCB board 2's the first face at interval etching, and it is all less than or equal to 15mm apart from the distance on its place PCB board 2 flange limit respectively, a plurality of antenna unit's concrete distribution position and distribution order can be adjusted according to setting up needs or debugging result, the illustration is not carried out one by one here.

In the embodiment, the 5G main antenna 41, the 5G diversity antenna 42, the first 5G MIMO antenna 43, the second 5G MIMO antenna 44, the BLE antenna 45 and the WIFI antenna 46 are etched on the PCB by using a PCB manufacturing process, so that the production is easy, the antennas are distributed around the PCB, the edge of the PCB is fully utilized, the height of a product cannot be increased, and meanwhile, the high-isolation design is realized, so that the isolation in the working frequency band reaches more than 15 dB.

In this embodiment, the plurality of communication units specifically include: 5G communication host module 31, MCU32, WIFI signal processing module 33 and BLE signal processing module 34, 5G communication host module 31, MCU32, WIFI signal processing module 33 and BLE signal processing module 34 all set up on PCB board 2's first face and the interval sets up, 5G communication host module 31 is close to 5G main antenna 41, WIFI signal processing module 33 is close to WIFI antenna 46 antenna, BLE signal processing module 34 is close to BLE antenna 45.

The plurality of connectors specifically include: the V2X interface 51, the CAN interface 52 and the ETH interface 53, the V2X interface 51, the CAN interface 52 and the ETH interface 53 are arranged on the second surface of the PCB 2 and distributed along the periphery of the PCB 2, and meanwhile, a first through groove 13, a second through groove 14 and a third through groove 15 are respectively arranged at the positions, corresponding to the V2X interface 51, the CAN interface 52 and the ETH interface 53, of the periphery of the box body 1.

The communication process of this embodiment is: the MCU32, the 5G main antenna 41, the 5G diversity antenna 42, the first 5G MIMO antenna 43, the second 5G MIMO antenna 44, the BLE antenna 45, the WIFI antenna 46 and the GNSS antenna 47 are respectively in communication connection with the 5G communication host module 31.

The WIFI antenna 46 is in communication connection with the 5G communication host module 31 through the WIFI signal processing module 33, the BLE antenna 45 is in communication connection with the 5G communication host module 31 through the BLE signal processing module 34, and the GNSS antenna 47 is in communication connection with the 5G communication host module 31 through the GPS filter; the 5G communication host module 31 is in antenna communication with the peripheral V2X through a V2X interface 51, the MCU32 is connected with the vehicle CAN-BUS through a CAN interface 52 to further realize communication with the in-vehicle EMU, and the 5G communication host module 31 is in communication connection with the in-vehicle EMU through an ETH interface 53 to realize the 1000MHz 5G data throughput.

And BLE signal processing module 34 passes through UART and 5G communication host computer module 31 communication connection, and WIFI signal processing module 33 passes through SDIO and 5G communication host computer module 31 communication connection, and 5G communication host computer module 31 is connected with MCU32 communication through UART and SDIO respectively.

Meanwhile, in this embodiment, the power module 6 is further included and disposed on the PCB 2, and the power module 6 is connected to the 5G communication host module 31.

In this embodiment, the box body 1 includes fixed connection's last casing 11 and casing 12 down, and the first face and casing 12 down of PCB board 2 set up relatively, simultaneously, are equipped with box body plug connector 16 on casing 12 down, and box body plug connector 16 extends to last casing 11 direction, and this box body plug connector 16 of setting can realize the fixed connection and the communication of box body 1.

In the embodiment, the height of the box body 1 is determined according to the adopted communication units and connectors, so that the product thickness is thinner and can be controlled within 30 mm; a plurality of antenna unit adopt PCB system board technology etching on PCB board 2, and make full use of 2 flange edges of PCB board, can not increase the product height, and production is simple.

The product shell produced by the embodiment is thin, compact in structure, convenient to mount on the rear part of the roof or a spoiler, free of temporary passenger overhead space and controllable in size within 250 x 150 x 20 mm; and 5G communication host computer module 31 and a plurality of processing module set up in the suitable position near PCB board 2 middle part, and through this spatial layout, the isolation is better, and GNSS antenna 47 sets up in PCB board 2 intermediate position, and axial ratio and directional diagram satisfy more easily.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a novel high isolation 5G MIMO vehicle-mounted T-box car machine structure, a serial communication port, be in including box body (1), setting PCB board (2), 5G communication host computer module (31), MCU (32), 5G main antenna (41), 5G diversity antenna (42), first 5G MIMO antenna (43) and second 5G MIMO antenna (44) in box body (1), 5G main antenna (41), 5G diversity antenna (42), first 5GMIMO antenna (43) and second 5G MIMO antenna (44) etching are in on the first face of PCB board (2) and follow PCB distributes all around, 5G communication host computer module (31) and MCU (32) set up on the first face of PCB board (2), 5G communication host computer module (31) respectively with MCU (32), 5G main antenna (41), 5G diversity antenna (42), The first 5G MIMO antenna (43) and the second 5G MIMO antenna (44) are communicatively connected.

2. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle structure according to claim 1, further comprising a BLE antenna (45), a WIFI antenna (46) and a GNSS antenna (47), wherein the BLE antenna (45) and the WIFI antenna (46) are etched on the first surface of the PCB (2) and distributed around the PCB, the GNSS antenna is arranged on the second surface of the PCB (2), and the BLE antenna (45), the WIFI antenna (46) and the GNSS antenna (47) are respectively in communication connection with the 5G communication host module (31).

3. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle structure according to claim 2, wherein distances from the 5G main antenna (41), the 5G diversity antenna (42), the first 5G MIMO antenna (43), the second 5G MIMO antenna (44), the BLE antenna (45) and the WIFI antenna (46) to the board edge of the PCB (2) where the antennas are located are less than or equal to 15 mm.

4. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle structure according to claim 2, wherein the PCB (2) is further provided with a WIFI signal processing module (33) and a BLE signal processing module (34), the WIFI antenna (46) is in communication connection with the 5G communication host module (31) through the WIFI signal processing module (33), and the BLE antenna (45) is in communication connection with the 5G communication host module (31) through the BLE signal processing module (34).

5. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle structure as claimed in claim 1, wherein a V2X interface (51), a CAN interface (52) and an ETH interface (53) are further arranged on the second surface of the PCB (2) along a circle of the PCB (2), the 5G communication host module (31) communicates with an external V2X antenna through the V2X interface (51), the MCU (32) is in communication connection with an in-vehicle EMU through the CAN interface (52), and the 5G communication host module (31) is in communication connection with the in-vehicle EMU through the ETH interface (53).

6. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle machine structure according to claim 1, further comprising a power module (6) disposed on the PCB (2), wherein the power module (6) is connected with the 5G communication host module (31).

7. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle structure according to claim 2, wherein the 5G main antenna (41) and the 5G diversity antenna (42) are respectively distributed along two opposite short sides of the PCB (2), the first 5G MIMO antenna (43) and the second 5G MIMO antenna (44) are respectively distributed along two opposite long sides of the PCB (2), and the BLE antenna (45) and the WIFI antenna (46) are respectively distributed along two opposite long sides of the PCB (2) and are respectively arranged at intervals with the first 5G MIMO antenna (43) or the second 5G MIMO antenna (44).

8. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle structure as claimed in claim 5, wherein a first through groove (13), a second through groove (14) and a third through groove (15) are respectively formed in a circle of the box body (1) corresponding to the V2X interface (51), the CAN interface (52) and the ETH interface (53).

9. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle structure as claimed in claim 1, wherein the box body (1) comprises an upper shell (11) and a lower shell (12) which are fixedly connected, and the first surface of the PCB (2) is arranged opposite to the lower shell (12).

10. The novel high-isolation 5G MIMO vehicle-mounted T-box vehicle machine structure according to claim 9, wherein a box connector (16) is arranged on the lower housing (12), and the box connector (16) extends towards the upper housing (11).

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