CN111806355A

CN111806355A - Motor vehicle ultrasonic radar mounting structure

Info

Publication number: CN111806355A
Application number: CN202010560050.0A
Authority: CN
Inventors: 罗小平; 曾峰; 李周; 张永; 陈森秀
Original assignee: Shenzhen Longhorn Automotive Electronic Equipment Co Ltd
Current assignee: Shenzhen Longhorn Automotive Electronic Equipment Co Ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-10-23

Abstract

The embodiment of the invention provides a motor vehicle ultrasonic radar mounting structure, which is used for mounting an ultrasonic radar on the inner side surface of a metal plate of a motor vehicle body. The ultrasonic wave transmitting end of the ultrasonic radar is tightly bonded on the inner side surface of the metal plate by means of the ultrasonic wave conduction double faced adhesive tape, ultrasonic detection is achieved, ultrasonic waves are conducted to the metal plate of the car body through the ultrasonic wave conduction double faced adhesive tape and then are transmitted outside the car body, the energy absorption material layer absorbs the ultrasonic waves outside the ultrasonic wave transmitting end, and therefore the metal plate outside the ultrasonic wave transmitting end is prevented from resonating, and holes can be prevented from being formed in the car body.

Description

Motor vehicle ultrasonic radar mounting structure

Technical Field

The embodiment of the invention relates to the technical field of motor vehicle radar installation, in particular to a motor vehicle ultrasonic radar installation structure.

Background

Generally, an ultrasonic radar can be used for a motor vehicle to realize door detection and parking, taking the door detection as an example, the ultrasonic radar is generally installed in a hollow inner cavity of a door of the motor vehicle, and the ultrasonic radar sends and receives ultrasonic ranging to realize judgment of a door distance, so as to detect whether the door is opened or not. The door of the vehicle is usually made of a metal material (e.g., aluminum plate) which resonates with the ultrasonic waves to affect the detection, and therefore, in order to transmit and receive the ultrasonic waves, the door of the vehicle is usually perforated to expose the ultrasonic wave transmitting end of the ultrasonic radar. However, the waterproof performance of the door of the vehicle after opening the hole is lowered, and the aesthetic appearance of the entire vehicle door is also lowered.

Disclosure of Invention

The technical problem to be solved by the embodiments of the present invention is to provide a mounting structure for an ultrasonic radar of a motor vehicle, which can effectively avoid the formation of holes on a body of the motor vehicle.

In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: the utility model provides a motor vehicle ultrasonic radar mounting structure for install ultrasonic radar to the sheet metal inboard surface of motor vehicle automobile body, mounting structure is including being fixed in sheet metal inboard surface supplies the equipment ultrasonic radar's fixed bolster, both sides respectively closely paste in ultrasonic radar's ultrasonic emission end the terminal surface with the ultrasonic wave conduction double faced adhesive tape of sheet metal inboard surface and set up in the inboard surface of sheet metal and encircle the energy-absorbing material layer of ultrasonic emission end and ultrasonic wave conduction double faced adhesive tape.

Furthermore, the fixed bolster includes a core section of thick bamboo and from the outside supporting legs that supports on the sheet metal inboard surface that the outside lateral wall symmetry of first end of core section of thick bamboo formed that extends, ultrasonic radar inserts and locates in the core section of thick bamboo, just ultrasonic emission end is worn out from the first end of core section of thick bamboo.

Furthermore, the energy-absorbing material layer uniformly extends along the inner side surface of the metal plate to the periphery by taking the ultrasonic conduction double faced adhesive tape adhered to the metal plate as a center, and the supporting legs are supported and adhered to the energy-absorbing material layer.

Furthermore, the fixing bracket further comprises an end cover assembled at the second end of the core barrel, a bearing seat assembled between the ultrasonic radar and the end cover, and an elastic element in a pre-compression state, wherein two ends of the elastic element are respectively abutted against the inner side of the end cover and the bearing seat.

Furthermore, a flexible cushion pad is arranged between the bearing seat and the end face of one end of the ultrasonic radar far away from the ultrasonic transmitting end.

Furthermore, a buckling hole is formed in the second end of the core barrel, a buckle is arranged on the inner side wall of the end cover, and the end cover is assembled on the buckling hole in the second end of the core barrel through the buckle.

Furthermore, the side wall of the core barrel is also provided with a through hole for the wiring port of the ultrasonic radar to extend out.

After the technical scheme is adopted, the embodiment of the invention at least has the following beneficial effects: according to the embodiment of the invention, the fixing support is arranged on the inner side surface of the metal plate of the motor vehicle body, the ultrasonic radar is assembled on the fixing support, the assembly is convenient, the ultrasonic transmitting end of the ultrasonic radar is tightly adhered to the inner side surface of the metal plate by virtue of the ultrasonic transmission double faced adhesive tape to realize ultrasonic detection, the ultrasonic wave transmitted by the ultrasonic transmitting end is transmitted to the metal plate of the vehicle body through the ultrasonic transmission double faced adhesive tape and then transmitted to the outside of the vehicle body, the inner side surface of the metal plate is also provided with the energy absorption material layer surrounding the ultrasonic transmitting end and the ultrasonic transmission double faced adhesive tape, and the energy absorption material layer absorbs the ultrasonic wave outside the ultrasonic transmitting end, so that the metal plate outside the ultrasonic transmitting end is prevented from resonating, and the opening of a hole in the vehicle body of the motor vehicle.

Drawings

Fig. 1 is a schematic view showing a disassembled state of an alternative embodiment of the ultrasonic radar mounting structure for a motor vehicle according to the present invention.

Fig. 2 is a perspective view schematically showing an alternative embodiment of the ultrasonic radar mounting structure for a motor vehicle according to the present invention.

FIG. 3 is a schematic perspective sectional view of an alternative embodiment of the mounting structure for an ultrasonic radar of a motor vehicle according to the present invention taken along the central axis of a support foot.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only intended to explain the present invention, and are not intended to limit the present invention, and features of the embodiments and examples in the present application may be combined with each other without conflict.

As shown in fig. 1 to 3, an alternative embodiment of the present invention provides a mounting structure for an ultrasonic radar of a motor vehicle, for mounting an ultrasonic radar 1 on an inner side surface of a metal plate 3 of a body of the motor vehicle, the mounting structure including a fixing bracket 5 fixed on the inner side surface of the metal plate 3 for assembling the ultrasonic radar 1, an ultrasonic conductive double-sided tape 7 having both sides respectively adhered to an end surface of an ultrasonic emitting end 10 of the ultrasonic radar 1 and the inner side surface of the metal plate 3, and an energy absorbing material layer 9 disposed on the inner side surface of the metal plate 3 and surrounding the ultrasonic emitting end 10 and the ultrasonic conductive double-sided tape 7.

The embodiment of the invention arranges the fixed bracket 5 on the inner side surface of the metal plate 3 of the automobile body, assembles the ultrasonic radar 1 on the fixed bracket 5, is convenient for assembly, and the ultrasonic transmitting end 10 of the ultrasonic radar 1 is tightly adhered to the inner side surface of the metal plate 3 by means of the ultrasonic conduction double-sided adhesive tape 7 to realize ultrasonic detection, the ultrasonic wave transmitted by the ultrasonic transmitting end 10 is conducted to the metal plate 3 of the car body by the ultrasonic conduction double-sided adhesive tape 7 and then is transmitted to the outside of the car body, the inner surface of the metal plate 3 is also provided with an energy-absorbing material layer 9 surrounding the ultrasonic transmitting end 10 and the ultrasonic conducting double-sided adhesive tape 7, the energy-absorbing material layer 9 absorbs the ultrasonic outside the ultrasonic transmitting end 10, thereby avoiding the resonance of the metal plate 3 outside the ultrasonic wave transmitting end 10 and effectively avoiding the hole opening on the body of the motor vehicle. In specific implementation, the energy-absorbing material layer 9 may be made of a material capable of absorbing ultrasonic waves, such as silica gel. In specific implementation, the motor vehicle ultrasonic radar mounting structure can be used for parking radars or motor vehicle door detection and the like.

In an alternative embodiment of the present invention, the fixing bracket 5 includes a core cylinder 50 and supporting legs 52 formed by symmetrically extending from an outer side wall of a first end of the core cylinder 50 to the outside and supported on an inner side surface of the metal plate 3, the ultrasonic radar 1 is inserted into the core cylinder 50, and the ultrasonic transmitting end 10 penetrates through the first end of the core cylinder 50. In the embodiment, the ultrasonic radar 1 is inserted into the core cylinder 50, so that the ultrasonic radar 1 is fixed, the supporting legs 52 support the whole body, the ultrasonic transmitting end 10 can be very conveniently bonded with the inner side surface of the metal plate 3, and the structure is relatively simple.

In another alternative embodiment of the present invention, the energy-absorbing material layer 9 is uniformly extended along the inner surface of the metal plate 3 around the ultrasonic conductive double-sided tape 7 adhered to the metal plate 3, and the supporting leg 52 supports and adheres to the energy-absorbing material layer 9. In the embodiment, the energy-absorbing material layer 9 is uniformly extended to the edge of the inner side surface of the metal plate 3 by taking the ultrasonic conduction double-sided adhesive tape 7 as a center, so that the whole ultrasonic absorption of the metal plate 3 outside the ultrasonic emission end 10 is ensured, and the supporting leg 52 is directly bonded to the energy-absorbing material layer 9, so that the structure is simple, the fixing through structures such as screw holes is avoided, and the hole opening on the metal plate 3 is also avoided.

In yet another alternative embodiment of the present invention, the fixing bracket 5 further includes an end cap 54 assembled on the second end of the core barrel 50, a bearing seat 56 assembled between the ultrasonic radar 1 and the end cap 54, and an elastic member 58 in a pre-compressed state and having two ends abutting against the inner side of the end cap 54 and the bearing seat 56, respectively. In the embodiment, the end cover 54, the bearing seat 56 and the elastic member 58 are arranged to cooperate, and the elastic member 58 in a pre-compression state pushes against the bearing seat 56, so that the ultrasonic transmitting end 10 of the ultrasonic radar 1 is tightly adhered to the inner surface of the metal plate 3, and the loosening caused by vibration of the motor vehicle in the advancing process is avoided. In the embodiment shown in fig. 1-3, the elastic member 58 is a coil spring, and it is understood that the elastic member 58 may be a torsion spring, a V-shaped compression spring, or the like.

In yet another alternative embodiment of the present invention, a flexible buffer pad 59 is further disposed between the bearing seat 56 and an end surface of the ultrasonic radar 1 far from the ultrasonic transmitting end 10. In this embodiment, by providing the flexible cushion pad 59, the elastic member 58 is prevented from damaging the ultrasonic radar 1 due to an excessive pushing force, and the ultrasonic radar 1 can be effectively protected.

In an alternative embodiment of the present invention, a fastening hole 501 is formed on the second end of the cartridge 50, a fastener 54 is formed on the inner sidewall of the end cap 54, and the end cap 54 is assembled to the fastening hole 501 of the second end of the cartridge 50 by the fastener 541. In this embodiment, the assembling and the fitting of the fastening hole 501 and the fastening 541 can be flexibly performed, and the assembling efficiency is high.

In yet another alternative embodiment of the present invention, the sidewall of the cartridge 50 is further provided with a through hole 503 through which the wiring port 12 of the ultrasonic radar 1 protrudes. This embodiment is still stretched out through setting up perforation 503 confession ultrasonic radar 1's wiring port 12, makes things convenient for ultrasonic radar 1's wiring port 12 and external equipment's butt joint, improves assembly efficiency.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a motor vehicle ultrasonic radar mounting structure for install ultrasonic radar to the sheet metal inboard surface of motor vehicle automobile body, its characterized in that, mounting structure is including being fixed in the sheet metal inboard surface supplies the equipment ultrasonic radar's fixed bolster, both sides respectively closely paste in the terminal surface of ultrasonic radar's ultrasonic emission end with the ultrasonic wave conduction double faced adhesive tape of sheet metal inboard surface and set up in the inboard surface of sheet metal and encircle the energy-absorbing material layer of ultrasonic emission end and ultrasonic wave conduction double faced adhesive tape.

2. The ultrasonic radar mounting structure for motor vehicles as claimed in claim 1, wherein the fixing bracket includes a core cylinder and supporting legs extending symmetrically outward from an outer sidewall of a first end of the core cylinder and supported on an inner surface of the metal plate, the ultrasonic radar is inserted into the core cylinder, and the ultrasonic transmitting end extends out from the first end of the core cylinder.

3. The ultrasonic radar mounting structure for motor vehicles as claimed in claim 2, wherein the energy absorbing material layer is uniformly extended around the inner side surface of the metal plate centering on the ultrasonic conductive double-sided tape adhered to the metal plate, and the supporting legs are supported and adhered to the energy absorbing material layer.

4. The ultrasonic radar mounting structure for motor vehicles as claimed in claim 2, wherein the fixing bracket further comprises an end cap assembled to the second end of the core barrel, a bearing seat assembled between the ultrasonic radar and the end cap, and an elastic member in a pre-compressed state and having two ends abutting against the inner side of the end cap and the bearing seat, respectively.

5. The ultrasonic radar mounting structure for motor vehicles as claimed in claim 4, wherein a flexible cushion is further provided between the bearing seat and an end surface of the ultrasonic radar remote from the ultrasonic transmitting end.

6. The ultrasonic radar mounting structure for motor vehicles as claimed in claim 4, wherein a fastening hole is provided on the second end of the cartridge, and a snap is provided on an inner sidewall of the cap, and the cap is assembled to the fastening hole of the second end of the cartridge by the snap.

7. The ultrasonic radar mounting structure for motor vehicles according to claim 2, wherein the side wall of the cartridge is further provided with a through hole through which a connection port of the ultrasonic radar protrudes.