CN216624559U - Shark fin antenna for heavy truck - Google Patents

Abstract

The utility model discloses a shark fin antenna for a heavy truck, which comprises an ABS (acrylonitrile butadiene styrene) baking varnish shell (1), a networking antenna oscillator (2), a GPS/BD positioning antenna module (3), an FM/AM radio oscillator (4), a signal amplification PCB (6), an alloy supporting bottom plate (7) and a coaxial cable (10); the shark fin antenna ensures the stability and reliability of the internal components of the shark fin antenna; the antenna has the advantages that multiple groups of antenna oscillators and modules are integrated in a common suitable space, so that the function diversity and high integration degree of the antenna are ensured, the problem of spatial arrangement is solved, the signal stability of the antenna is improved, and meanwhile, the cost can be reduced by nearly 20 percent compared with the cost of the original antenna. The integration level of the whole vehicle can be effectively improved.

Description

Shark fin antenna for heavy truck

Technical Field

The utility model belongs to the technical field of vehicle-mounted antennas, and particularly relates to a shark fin antenna for a heavy truck, which is applied to the heavy truck or other commercial vehicles to realize networking, positioning, receiving and sending functions of communication equipment, and replaces a traditional split type single-function antenna.

Background

With the development and application of the car networking technology, terminal devices of a vehicle end, which need to be networked, positioned or otherwise communicated, are gradually increased, and therefore, a corresponding communication antenna needs to be matched with each communication device. At present, the traditional split type single-function antenna scheme is generally adopted in the heavy truck industry, but the antennas of all devices cannot be shared. Most of traditional single-function antennas need to be arranged inside a vehicle cab, the antenna arrangement requirement is high, and metal objects need to be prevented from approaching and shielding; the antenna module placement direction generally has special requirements. The conventional antenna has the following disadvantages:

1. the traditional antenna has a single function, the antennas of all devices cannot be shared, and the data volume of the whole vehicle communication antenna is excessive; the antenna arrangement space occupies a large area; the antenna is exposed to influence the appearance of the interior and exterior decorations; and the integration level of the whole vehicle is reduced.

2. Due to the fact that the space inside the cab is limited, metal pieces are common, and the cab is of a metal structure, the performance of a traditional single-function antenna is easily affected and limited, and the difficulty of a production and assembly process is increased;

3. the conventional antenna has a high cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a shark fin antenna for a heavy truck, which solves the defects of the traditional split type antenna.

In order to solve the technical problem, the utility model provides a shark fin antenna for a heavy truck, which is characterized in that: the system comprises an ABS baking varnish shell 1, a networking antenna oscillator 2, a GPS/BD positioning antenna module 3, an FM/AM radio oscillator 4, a signal amplification PCB 6, an alloy supporting bottom plate 7 and a coaxial cable 10; the antenna shell 1 is fixed on the alloy bottom plate 7, the antenna shell 1 is of a streamline shark fin structure, and a large cavity is arranged inside the antenna shell; the networking antenna oscillator 2 and the FM/AM radio oscillator 4 are welded on a signal amplification PCB board 6, and the signal amplification PCB board 6 is fixed on an alloy supporting bottom plate 7; the GPS/BD positioning antenna module is fixed with the alloy supporting bottom plate 7; one end of each coaxial cable 10 is welded with the corresponding point on the GPS/BD positioning antenna module 3 and the signal amplification PCB 6, and the other end is connected with an antenna connector of the corresponding signal in a pressing mode.

Has the advantages that: the main structural form of the shark fin antenna adopts an ABS baking varnish protective shell, a high-strength alloy bottom plate and a fully-wrapped waterproof rubber mat as shown in the attached drawing 1, and the structure not only ensures the stability and reliability of components inside the shark fin antenna; multiple groups of antenna elements and modules are integrated in a common suitable space, so that the function diversity and high integration degree of the antenna are ensured; meanwhile, the position in contact with a metal plate of the vehicle body is provided with a double-layer waterproof rubber convex figure 3, so that a good waterproof and dustproof effect can be realized, and the problems of antenna or vehicle body damage and the like caused by water inflow are avoided; the shark fin shell is subjected to surface baking finish treatment, so that ultraviolet rays can be effectively reflected, and the photoaging time of the shell is delayed; the shark fin antenna is designed with a pre-assembled clamping part structure to clamp a metal plate, and the metal plate of a vehicle body is tightly pressed by adopting a combined nut with strength shown in an attached figure 2, so that the assembly manufacturability is ensured. In addition, the shark fin antenna replaces 5 split type antennas of 3 original vehicles, is arranged at the top of the cab, solves the problem of spatial arrangement, improves the stability of antenna signals, and reduces the cost by nearly 20 percent compared with the original antenna. The integration level of the whole vehicle can be effectively improved.

Drawings

FIG. 1 is an exploded view of a shark fin antenna structure;

FIG. 2 is a detailed view of the structure of the pre-assembled card of the shark fin antenna;

fig. 3 is a detailed view of the structure of the shark fin antenna waterproof rubber mat.

1ABS baking varnish outer shell; 2 networking antenna elements; 3GPS/BD positioning antenna module; 4FM/AM radio oscillator; 5, pre-assembling and threading card structure; 6, amplifying the signal by a PCB (printed circuit board); 7 an alloy supporting baseplate; 8, waterproof rubber mat; 9 fastening the combined nut; 10 coaxial cable lines; 11FAKRA antenna connector.

Detailed Description

In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention is provided.

The utility model provides a shark fin antenna for a heavy truck, which comprises an ABS (acrylonitrile butadiene styrene) baking varnish shell 1, a networking antenna oscillator 2, a GPS/BD (global positioning system/BD) positioning antenna module 3, an FM/AM (frequency modulation/amplitude modulation) radio oscillator 4, a pre-assembly and wire-passing clamping piece structure 5, a signal amplification PCB (printed circuit board) 6, an alloy supporting bottom plate 7, a waterproof rubber mat 8, a fastening combination nut 9, a coaxial cable 10 and a FAKRA antenna connector 11;

the antenna shell 1 is fixed on the alloy bottom plate 7 through 9 self-tapping screws, the antenna shell 1 is in a streamline shark fin-shaped shape, and a large cavity is formed inside the antenna shell; the two networking antenna oscillators 2 and the FM/AM radio oscillator 4 are welded on the signal amplification PCB 6 and ensure the isolation requirement, and the signal amplification PCB 6 is fixed on the alloy support bottom plate 7 through 4 screws; the GPS/BD positioning antenna module-3 is fixed with the alloy supporting bottom plate 7 through three screws; one end of each of 5 coaxial cables 10 is respectively welded with a corresponding point position on the GPS/BD positioning antenna module 3 and the signal amplification PCB 6, the other end of each coaxial cable passes through a central wire passing hole of the preassembly and wire passing clamping piece 5 which is fixed on the alloy supporting bottom plate 7 by 4 screws, and the end of each coaxial cable 10 is in press connection with a FAKRA antenna connector male 11 corresponding to a signal; the waterproof rubber mat-8 is half wrapped on the alloy supporting bottom plate 7, and the edge of the waterproof rubber mat-8 is fixedly clamped by the antenna shell 1 and the alloy supporting bottom plate 7; the fastening combination nut 9 and the high-strength bolt on the alloy supporting bottom plate 7 fasten the vehicle body metal plate 12.

Shark fin antenna ABS baking finish shell 1 adopts the streamlined outward appearance design of low windage, guarantees the inside spare part space maximize utilization of antenna under the prerequisite of considering pleasing to the eye and minimum windage, simultaneously with vehicle outward appearance design perfect integration, guarantees the whole pleasing to the eye degree of vehicle.

Referring to the attached drawing 2, in order to ensure the installation manufacturability, a pre-assembly clamping piece structure 5 is designed, 4 pre-assembly buckles are designed at the bottom of the pre-assembly clamping piece structure 5, and a metal plate of a vehicle body can be clamped by the aid of resilience of the pre-assembly clamping piece structure, so that the pre-assembly clamping piece structure can be conveniently fastened indoors after being assembled indoors.

Referring to fig. 2, in order to ensure the dustproof and waterproof performance of the antenna installation, a double-layer rubber raised ring 12 on a waterproof rubber cushion 8 is designed, and can be in contact with a vehicle body metal plate for sealing under the tensioning force of an antenna fastening combination nut 9, so as to ensure the waterproof and airtight performance.

Functionally, a GPS/BD positioning antenna module 3, a dual-network antenna oscillator 2 and an FM/AM radio oscillator 4 are arranged in the shark fin antenna; satellite positioning signals, 4G communication signals and frequency modulation broadcast signals are received and transmitted to a signal amplification PCB 6 through a GPS/BD positioning antenna module 3, a dual-network antenna oscillator 2 and an FM/AM radio oscillator 4 respectively, and are finally transmitted to a signal receiving terminal along a coaxial cable 10 through a signal amplification circuit; the signal transmission path is reversed. Therefore, the shark fin antenna simultaneously supports 2 paths of 4G networking, two paths of GPS/BD positioning and 1 path of FM/AM radio reception, and simultaneously meets the communication use of equipment such as a vehicle-mounted terminal, a vehicle-mounted central control display screen, a radio, a T-box and the like; in addition, the shark fin antenna can be expanded to 2 paths of high-precision positioning, 2 paths of V2X, 4 paths of 5G networking and 1 path of FM/AM radio reception.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (4)

1. A shark fin antenna for heavy truck, its characterized in that: the system comprises an ABS baking varnish shell (1), a networking antenna oscillator (2), a GPS/BD positioning antenna module (3), an FM/AM radio oscillator (4), a signal amplification PCB (6), an alloy bottom plate (7) and a coaxial cable (10); the ABS baking finish shell (1) is fixed on the alloy bottom plate (7), and the ABS baking finish shell (1) is of a streamline shark fin structure and is internally provided with a large cavity; the networking antenna oscillator (2) and the FM/AM radio oscillator (4) are welded on the signal amplification PCB (6), and the signal amplification PCB (6) is fixed on the alloy bottom plate (7); the GPS/BD positioning antenna module is fixed with the alloy bottom plate (7); one end of each coaxial cable (10) is welded with the corresponding point on the GPS/BD positioning antenna module (3) and the signal amplification PCB (6), and the other end of each coaxial cable is connected with the antenna connector of the corresponding signal in a pressing mode.

2. A shark fin antenna for a heavy truck according to claim 1, further comprising: the waterproof rubber mat is wrapped by the alloy bottom plate (7) in a half mode, and the edge of the waterproof rubber mat is fixedly clamped by the ABS baking finish shell (1) and the alloy bottom plate (7).

3. A shark fin antenna for a heavy truck according to claim 1, further comprising: the waterproof rubber cushion (8) is provided with a double-layer rubber raised ring.

4. A shark fin antenna for a heavy truck according to claim 1, further comprising: satellite positioning signals, 4G communication signals and frequency modulation broadcast signals are received and transmitted to a signal amplification PCB (6) through a GPS/BD positioning antenna module (3), a dual-network antenna oscillator (2) and an FM/AM radio oscillator (4), and are finally transmitted to a signal receiving terminal along a coaxial cable (10) through a signal amplification circuit.

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