CN112542676A

CN112542676A - Antenna box

Info

Publication number: CN112542676A
Application number: CN202011550716.0A
Authority: CN
Inventors: 王诗活; 吕康康; 管瑞
Original assignee: Jiangsu Huasheng Automotive Electronics Co ltd
Current assignee: Jiangsu Huasheng Automotive Electronics Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-03-23

Abstract

The invention provides an antenna box which is simultaneously provided with a 5G antenna, a V2X antenna and a high-precision GNSS navigation antenna and is arranged in an automobile, so that the appearance of the whole automobile is not influenced, and the requirement of vehicle-mounted communication is met. The two ends of the lower cover are provided with convex connecting bulges, positioning holes in the connecting bulges are used for fixedly connecting and positioning with a vehicle body, the periphery of the upper surface of the lower cover is convexly provided with a closed stop bulge, a waterproof pad is arranged around the periphery of the stop bulge, the periphery of the stop bulge is covered with the periphery of the upper cover and is pressed on the periphery of the stop bulge after the waterproof pad and is fixedly connected with screws at four corners, the upper cover is arranged in an inner cavity formed behind the lower cover, an antenna fixing bottom plate is arranged in the inner cavity, at least one pair of side positions of the antenna fixing bottom plate are provided with 5G antennas, the central area of the upper surface of the antenna fixing bottom plate is fixedly provided with a GNSS navigation antenna, and at least one V2X antenna is arranged in the interval area of the GNSS navigation antenna and the 5G antennas.

Description

Antenna box

Technical Field

The invention relates to the technical field of vehicle-mounted antennas, in particular to an antenna box.

Background

The high-speed development of automotive electronics technology, entertainment and office systems such as radio of hearing (AM/FM), satellite navigation (GPS), vehicle communication ((2G/3G), and vehicle television (ETV), etc., are essential configurations for automobiles.

The existing antenna has single function, more electronic equipment is needed, the number of the needed antennas is more, a plurality of transmitting and receiving antennas are mounted on an automobile with limited space, the antenna effect is affected by the shielding effect of the metal of the automobile body at the hidden position of the antenna mounted in the automobile, and the attractiveness of the automobile is affected by mounting various antennas outside the automobile body.

The conventional automobile antenna is arranged in a fin type antenna, the space is limited, mutual interference is easily generated among the antennas, the fin type antenna cannot meet more and more antenna requirements, or the size of the fin type antenna is increased, and the requirement of the overall automobile model design cannot be met.

With the development of 5G technology, vehicle-mounted communication is oriented to be more intelligent and high-speed transmission in the future. In the past, 4G can not meet the requirements of vehicle-mounted communication.

With the popularization of intelligent traffic and intelligent driving, the requirement for the V2X antenna is increasing, and the existing traditional antenna arrangement cannot meet the requirement of intelligent driving.

Disclosure of Invention

In order to solve the problems, the invention provides an antenna box which is provided with a 5G antenna, a V2X antenna and a high-precision GNSS navigation antenna at the same time and is arranged in an automobile, so that the appearance of the whole automobile is not influenced, and the requirement of vehicle-mounted communication is met.

An antenna box, characterized in that: the vehicle-mounted GNSS antenna comprises a lower cover and an upper cover, wherein convex connecting bulges are arranged at two ends of the lower cover, positioning holes on the connecting bulges are used for fixedly connecting and positioning with a vehicle body, the peripheral edge of the upper surface of the lower cover is convexly protruded to form a closed stopping bulge, the peripheral side edges of the upper cover are covered on the periphery of the stopping bulge and are fixedly connected through screws at four corners, the upper cover is arranged on the lower cover to form an inner cavity, an antenna fixing bottom plate is arranged in the inner cavity, at least one pair of side positions of the antenna fixing bottom plate are provided with 5G antennas, a GNSS navigation antenna is fixedly arranged in the central area of the upper surface of the antenna fixing bottom plate, at least one V2X antenna is arranged in the GNSS navigation antenna and the 5G antenna, the antenna fixing interval area is further connected with an antenna output end, and an avoiding notch is arranged at the position, corresponding to the upper cover, corresponding, one end rigid coupling of connecting wire is connected antenna output in antenna output, the other end and is connected the antenna output and connect, the connecting wire runs through to dodge the breach and arranges, 5G antenna, GNSS navigation antenna, V2X antenna are connected to through the circuit respectively the antenna output.

It is further characterized in that:

5G antennas are fixedly arranged on a pair of short edges of the antenna fixing bottom plate;

5G antennas are fixedly arranged on the inner sides of the peripheral edges of the antenna fixing bottom plate respectively;

the GNSS navigation antenna is integrated with a GPS/BD/GLONASS navigation antenna and supports vehicle navigation;

the antenna fixing bottom plate is integrated with a printed circuit board, and the 5G antenna, the GNSS navigation antenna and the V2X antenna are respectively connected to the output end of the antenna through printed circuits;

the 5G antenna and the V2X antenna are specifically PCB antennas or metal sheet antennas;

the 5G antenna adopts a primary-secondary MIMO technology according to the requirements of the vehicle-mounted host;

the high-precision GNSS navigation antenna frequency band comprises a GPS, a Beidou and a Glynes tri-band L1/B1/G1, and is extended to support L2/L5/B2/B3/G2, and a high-frequency material is adopted as an antenna for receiving;

the 5G main antenna has a frequency band of Sub6GHz, comprises 3300MHz-4200MHz, 4400MHz-5000MHz, is downward compatible with a 2G/3G/4G frequency band, comprises 690MHz-960MHz,1710MHz-2170MHz, 2300MHz-2690 MHz; the frequency bands of the secondary antenna comprise 3300MHz-4200MHz and 4400MHz-5000 MHz;

the V2X antenna frequency band comprises 5850MHz-5925 MHz.

After the antenna box structure is adopted, the antenna box structure is convenient to install, is fixedly installed in an automobile through the connecting bulge, does not affect the appearance of the whole automobile, can be installed near the front instrument panel of the automobile, can also be installed below the edge of a skylight due to the fact that the antenna and the size are thin, is simultaneously provided with a 5G antenna, a V2X antenna and a high-precision GNSS navigation antenna, is installed in the automobile, does not affect the appearance of the whole automobile, and ensures that the vehicle-mounted communication requirement is met.

Drawings

FIG. 1 is a schematic diagram of an exploded view of the present invention;

FIG. 2 is a schematic perspective view of the present invention with the upper cover removed;

the names corresponding to the sequence numbers in the figure are as follows:

the GNSS navigation antenna comprises a lower cover 1, an upper cover 2, a side 21, a connecting bulge 3, a positioning hole 4, a stopping bulge 5, a waterproof pad 6, a screw 7, an antenna fixing bottom plate 8, a 5G antenna 9, a GNSS navigation antenna 10, a V2X antenna 11, an antenna output end 12, an avoiding gap 13, a connecting wire 14 and an antenna output joint 15.

Detailed Description

An antenna box is shown in figures 1 and 2: the GNSS navigation antenna comprises a lower cover 1 and an upper cover 2, wherein convex connecting bulges 3 are arranged at two ends of the lower cover 1, positioning holes 4 on the connecting bulges 3 are used for fixedly connecting and positioning with a vehicle body, the peripheral edge of the upper surface of the lower cover 1 is convexly protruded to form a closed stopping bulge 5, the peripheral side edges 21 of the upper cover 2 are covered on the periphery of the stopping bulge 5 and are fixedly connected through screws 7 at four corners, the upper cover 2 is arranged on the lower cover 1 to form an inner cavity, an antenna fixing bottom plate 8 is arranged in the inner cavity, at least one pair of side positions of the antenna fixing bottom plate 8 are provided with 5G antennas 9, a GNSS navigation antenna 10 is fixedly arranged in the central area of the upper surface of the antenna fixing bottom plate 8, at least one V2X antenna 11 is arranged in the interval area of the GNSS navigation antennas 10 and the 5G antennas 9, the antenna fixing bottom plate 8 is also connected with an antenna output end 12, an avoiding gap, one end of a connecting wire 14 is fixedly connected to the antenna output end 12, the other end of the connecting wire is connected to the antenna output joint 15, the connecting wire 14 penetrates through the avoidance notch 13 to be arranged, and the 5G antenna 9, the GNSS navigation antenna 10 and the V2X antenna 11 are respectively connected to the antenna output end 12 through circuits.

In specific implementation, the waterproof pad 6 is annularly distributed on the outer periphery of the stopping protrusion 5, and the peripheral side 21 of the upper cover 2 is covered on the outer periphery of the stopping protrusion 5 and is pressed on the waterproof pad 6 and then is fastened and connected through the screws 7 at four corners.

The GNSS navigation antenna 10 integrates a GPS/BD/GLONASS navigation antenna to support vehicle navigation;

a printed circuit board is integrated on the antenna fixing bottom plate 8, and the 5G antenna 9, the GNSS navigation antenna 10 and the V2X antenna 11 are respectively connected to the output end of the antenna through printed circuits;

the 5G antenna 9 and the V2X antenna 11 are specifically PCB antennas or metal sheet antennas;

the 5G antenna 9 adopts a primary-secondary MIMO technology according to the requirements of the vehicle-mounted host;

the high-precision GNSS navigation antenna 10 frequency band comprises a GPS, a Beidou and a Glynes tri-band L1/B1/G1, and is extended to support L2/L5/B2/B3/G2, and a high-frequency material is adopted as an antenna for receiving;

the V2X antenna 11 band includes 5850MHz-5925 MHz.

The first embodiment is as follows: 4 5G antennas 9+ GNSS navigation antennas 10+ 2V 2X antennas 11, and at the moment, the 5G antennas 9 are fixedly arranged on the inner sides of the peripheral edges of the antenna fixing bottom plate 8 respectively; the double-antenna structure is used, the size of a single antenna is reduced, and the requirement of whole vehicle arrangement is met.

The second specific embodiment is shown in fig. 1: 2 pieces of 5G antenna 9+ GNSS navigation antenna 10+1 piece of V2X antenna 11, 5G antenna 9 is fixed to a pair of short sides of antenna fixed baseplate 8 this moment, when not needing GNSS navigation antenna, and when needing to set up other antennas, replace GNSS navigation antenna for corresponding antenna can.

Antenna box structure simple to operate, it is adorned in installing inside the car admittedly through connecting the arch, does not influence whole car outward appearance, and the mountable is near instrument board before the car, because of the antenna is thin with the size also can install in skylight edge below, and it installs 5G antenna, V2X antenna, high accuracy GNSS navigation antenna simultaneously, installs inside the car, does not influence whole car outward appearance, ensures to satisfy on-vehicle communication demand. The antenna area required by a communication system is reduced by utilizing the quasi-balanced antenna, the performance parameters of the antenna are improved, the antenna box is arranged on the inner side of the instrument panel and the edge of the lower part of the car window, the antenna can better receive radio signals, omni-directional signal receiving can be realized, the antenna has high sensitivity and good transmitting and receiving effects, the receiving requirements of wireless communication and broadcast radio antennas can be met, and a plurality of 5G antennas are designed, the transmission rate of the system is enhanced, and the high-progress navigation antenna and the V2X antenna are matched, the internal structure is optimized, and the requirement of the isolation between the antennas is met.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An antenna box, characterized in that: the vehicle-mounted GNSS antenna comprises a lower cover and an upper cover, wherein convex connecting bulges are arranged at two ends of the lower cover, positioning holes on the connecting bulges are used for fixedly connecting and positioning with a vehicle body, the peripheral edge of the upper surface of the lower cover is convexly protruded to form a closed stopping bulge, the peripheral side edges of the upper cover are covered on the periphery of the stopping bulge and are fixedly connected through screws at four corners, the upper cover is arranged on the lower cover to form an inner cavity, an antenna fixing bottom plate is arranged in the inner cavity, at least one pair of side positions of the antenna fixing bottom plate are provided with 5G antennas, a GNSS navigation antenna is fixedly arranged in the central area of the upper surface of the antenna fixing bottom plate, at least one V2X antenna is arranged in the GNSS navigation antenna and the 5G antenna, the antenna fixing interval area is further connected with an antenna output end, and an avoiding notch is arranged at the position, corresponding to the upper cover, corresponding, one end rigid coupling of connecting wire is connected antenna output in antenna output, the other end and is connected the antenna output and connect, the connecting wire runs through to dodge the breach and arranges, 5G antenna, GNSS navigation antenna, V2X antenna are connected to through the circuit respectively the antenna output.

2. An antenna box according to claim 1, wherein: and 5G antennas are fixedly arranged on a pair of short edges of the antenna fixing bottom plate.

3. An antenna box according to claim 1, wherein: and 5G antennas are fixedly arranged on the inner sides of the peripheral edges of the antenna fixing bottom plate respectively.

4. An antenna box according to claim 1, wherein: the GNSS navigation antenna integrates a GPS/BD/GLONASS navigation antenna and supports vehicle navigation.

5. An antenna box according to claim 1, wherein: the antenna fixing bottom plate is integrated with a printed circuit board, and the 5G antenna, the GNSS navigation antenna and the V2X antenna are connected to the antenna output end through printed circuits respectively.

6. An antenna box according to claim 1, wherein: the 5G antenna and the V2X antenna are specifically PCB antennas or metal sheet antennas.

7. An antenna box according to claim 1, wherein: the 5G antenna adopts a primary-secondary MIMO technology according to the requirements of the vehicle-mounted host.

8. An antenna box according to claim 1, wherein: the high-precision GNSS navigation antenna frequency band comprises a GPS, a Beidou and a Glynes tri-band L1/B1/G1, the high-precision GNSS navigation antenna frequency band supports L2/L5/B2/B3/G2 in an expanding mode, and a high-frequency material is adopted as an antenna for receiving.

9. An antenna box according to claim 1, wherein: the 5G main antenna has a frequency band of Sub6GHz, comprises 3300MHz-4200MHz, 4400MHz-5000MHz, is downward compatible with a 2G/3G/4G frequency band, comprises 690MHz-960MHz,1710MHz-2170MHz, 2300MHz-2690 MHz; the sub-antenna frequency band comprises 3300MHz-4200MHz, 4400MHz-5000 MHz.

10. An antenna box according to claim 1, wherein: the V2X antenna frequency band comprises 5850MHz-5925 MHz.