CN221043049U

CN221043049U - Vehicle-mounted camera

Info

Publication number: CN221043049U
Application number: CN202322912602.1U
Authority: CN
Inventors: 罗小平; 麦福利
Original assignee: Shenzhen Longhorn Automotive Electronic Equipment Co Ltd
Current assignee: Shenzhen Longhorn Automotive Electronic Equipment Co Ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-05-28
Anticipated expiration: 2033-10-27

Abstract

The embodiment of the utility model provides a vehicle-mounted camera, which comprises a main shell, a lens, an optical circuit board and a control circuit board, wherein one end of the main shell is provided with a mounting hole, an opening is arranged at the opposite end of the main shell, the lens is penetrated in the mounting hole, the optical circuit board and the control circuit board are arranged in parallel, the optical circuit board is arranged between the lens and the control circuit board, the inner wall of the main shell surrounds the mounting hole, a mounting step and a plurality of bosses are arranged on the inner wall of the main shell, the optical circuit board is aligned with the bosses through a clearance gap formed by the corresponding bosses, is placed in the main shell through the opening and is locked on the mounting step through screws penetrating through holes correspondingly arranged on the optical circuit board, and the edge part of the control circuit board is placed on each boss and clamped and fixed by means of glue or by means of cooperation of a pressing piece fixed in the main shell and the bosses. According to the embodiment of the utility model, the mounting holes are not required to be arranged on the surface of the control circuit board, so that the utilization rate of the surface of the control circuit board is improved, and the miniaturized design of the vehicle-mounted camera is facilitated.

Description

Vehicle-mounted camera

Technical Field

The embodiment of the utility model relates to the technical field of motor vehicle accessories, in particular to a vehicle-mounted camera.

Background

In order to improve the driving safety of motor vehicles, it is becoming increasingly popular to mount driving auxiliary vision systems on motor vehicles. In order to construct the driving auxiliary vision system, at least one vehicle-mounted camera is required to be arranged on the motor vehicle to shoot images in the corresponding direction.

In order to install the vehicle-mounted camera to the front grille, rearview mirror and other narrow and small space parts of the motor vehicle, the existing vehicle-mounted camera needs to be miniaturized, and for this purpose, the PCB inside the vehicle-mounted camera can be divided into two pieces, such as: one is an optical circuit board with a photosensitive chip and arranged at the inner end of a lens of the vehicle-mounted camera, the other is a control circuit board which is connected with a vehicle-mounted camera system of a motor vehicle to control functions of the vehicle-mounted camera, two PCB layers are arranged, and screws sequentially penetrate through the two circuit boards and are locked on a shell of the vehicle-mounted camera to fix the two PCB layers.

However, the inventor found that in the implementation process, the existing vehicle-mounted camera locks two circuit boards by means of screws, corresponding screw hole sites are required to be reserved for the two circuit boards, and an opening is required to be formed in one circuit board positioned below for a screw fixing column required for installing the circuit board positioned above to pass through, so that the space utilization rate of the board surface of the circuit board is low, and the miniaturization of the vehicle-mounted camera is not facilitated.

Disclosure of utility model

The technical problem to be solved by the embodiment of the utility model is to provide the vehicle-mounted camera, which can improve the board space utilization rate of the PCB, reduce the space requirement of the vehicle-mounted camera and is more beneficial to the miniaturization design of the vehicle-mounted camera.

In order to solve the technical problems, the embodiment of the utility model provides the following technical scheme: the utility model provides a vehicle-mounted camera, includes that one end is equipped with the mounting hole and sets up open-ended main casing body in the other end relative with the mounting hole, wears to locate camera lens in the mounting hole and all be fixed in the main casing body and each other parallel arrangement's optical circuit board and control circuit board, optical circuit board is between camera lens with between the control circuit board, the inner wall of main casing is around the mounting hole is equipped with installation step and a plurality of boss and the installation step is between the mounting hole with between the boss, optical circuit board's edge corresponds to the boss is formed with keeps away the position breach, optical circuit board with keep away the position breach with the boss aligns and puts into in the main casing body and put in the installation step through the opening, pass in addition by the screw optical circuit board on the through-hole that corresponds to set up, control circuit board's edge position put in each boss and with the help of fix in the main casing body with the clamp the tight cooperation clamp of pressing member.

Further, the boss is provided at each corner inside the main casing, and the boss is integrally protruded and extended from a surface of a side of the mounting step facing the opening toward the opening direction.

Further, the mounting step is further provided with a positioning column protruding out and perpendicular to the surface of the optical circuit board, the optical circuit board is provided with a positioning hole corresponding to the positioning column, and the positioning column penetrates through the positioning hole to position the optical circuit board.

Further, the optical circuit board is connected with the control circuit board in a plugging manner through a plug connector.

Further, the vehicle-mounted camera further comprises a rear cover which is in butt joint with the main shell and correspondingly seals the opening, and the main shell and the rear cover are connected into a whole through laser welding.

Further, the main shell and the rear cover are both made of metal materials.

Further, the vehicle-mounted camera further comprises a heat dissipation material layer filled between the electronic element on the control circuit board and the inner wall of the rear cover.

Further, a pin connector penetrating through the rear cover to be correspondingly inserted with a socket connector at the tail end of the external wiring harness is arranged on the control circuit board.

After the technical scheme is adopted, the embodiment of the utility model has at least the following beneficial effects: according to the embodiment of the utility model, the optical circuit board and the control circuit board are respectively positioned and installed by arranging the mounting steps and the boss around the mounting holes in the main shell of the vehicle-mounted camera, wherein the mounting steps are arranged between the mounting holes and the boss, the edge of the optical circuit board is provided with the gap corresponding to the boss so as to pass through the position of the boss and be placed on the mounting steps, and then the optical circuit board is locked on the mounting steps by means of screws, so that the positioning is accurate, the connection is stable, and the requirement of the optical circuit board on high-precision installation is met; the top surfaces of the bosses serve as mounting planes of the control circuit board, the edge portions of the control circuit board are placed on the bosses and are adhered to the bosses by means of glue or are clamped and fixed by means of cooperation of the pressing piece fixed in the main shell and the bosses, mounting holes are not required to be formed in the plate surfaces of the control circuit board, the utilization rate of the control circuit board is improved, the content space requirement of the vehicle-mounted camera is reduced, and the miniaturized design of the vehicle-mounted camera is facilitated.

Drawings

Fig. 1 is a schematic overall perspective view of an alternate embodiment of a vehicle camera and an external harness of the present utility model.

Fig. 2 is a schematic perspective view of an alternative embodiment of the vehicle camera according to the present utility model in a disassembled state.

Fig. 3 is a schematic perspective view of a main housing of an alternative embodiment of the vehicle camera according to the present utility model.

Fig. 4 is a schematic cross-sectional view of an alternative embodiment of the in-vehicle camera of the present utility model, intersecting the glue layer.

Fig. 5 is a schematic cross-sectional view of an alternative embodiment of the vehicle camera head according to the present utility model.

Fig. 6 is a longitudinal cross-sectional view through the central axis of the screw of an alternative embodiment of the in-vehicle camera of the present utility model.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples. It should be understood that the following exemplary embodiments and descriptions are only for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that the embodiments and features of the embodiments of the utility model may be combined with one another without conflict.

As shown in fig. 1-6, an alternative embodiment of the present utility model provides a vehicle-mounted camera, comprising a main housing 1 provided with a mounting hole 12 at one end and an opening 10 at the other end opposite to the mounting hole 12, a lens 2 penetrating into the mounting hole 12, and an optical circuit board 3 and a control circuit board 4 both fixed in the main housing 1 and arranged parallel to each other, the optical circuit board 3 is interposed between the lens 2 and the control circuit board 4, a mounting step 14 and a plurality of bosses 16 are provided on an inner wall of the main housing 4 around the mounting hole 12, the mounting step 14 is interposed between the mounting hole 12 and the bosses 16, an edge of the optical circuit board 3 is formed with a clearance gap 32 corresponding to the bosses 16, the optical circuit board 3 is placed in the main housing 1 via the opening 10 and rests on the mounting step 14, a through hole 34 correspondingly provided on the optical circuit board 3 by a screw 11 is penetrated through the mounting step 14 and is fixed on the respective boss 16 by means of a glue or a clamping member of the respective boss 16.

According to the embodiment of the utility model, the mounting step 14 and the boss 16 are arranged in the main shell 1 of the vehicle-mounted camera around the mounting hole 12 to respectively position and mount the optical circuit board 3 and the control circuit board 4, wherein the mounting step 14 is arranged between the mounting hole 12 and the boss 16, the edge of the optical circuit board 3 is provided with the clearance gap 32 corresponding to the boss 16 so as to be conveniently placed on the mounting step 14 through the position of the boss 16, and then the optical circuit board 3 is locked on the mounting step 14 by penetrating through the through hole 34 correspondingly formed in the optical circuit board 3 through the screw 11, so that the positioning is accurate, the connection is stable, and the requirement of the optical circuit board 3 on high-precision mounting is met; the top surface of each boss 16 is used as an installation plane of the control circuit board 4, the edge part of the control circuit board 4 is placed on each boss 16 and is adhered by means of glue 18 or is clamped and fixed by means of cooperation of a pressing piece 19 fixed in the main shell 1 and the boss 16, an installation hole is not required to be formed in the board surface space of the control circuit board 4, the utilization rate of the control circuit board 4 is improved, the content space requirement of the vehicle-mounted camera is reduced, and the miniaturized design of the vehicle-mounted camera is facilitated.

In the implementation process, as shown in fig. 4, a certain gap may be provided between the control circuit board 4 and the inner wall of the main casing 1, after the installation position of the control circuit board 4 on the boss 16 is determined, the glue is filled in the gap, so that the position of the control circuit board 4 is convenient to adjust, and the compatibility of dimensional tolerance of the connection between boards is strong; or as shown in fig. 6, the glue is directly coated on the top surface of the boss 16, then the control circuit board 4 is placed on the boss 16, after the mounting position of the control circuit board 4 on the boss 16 is determined, the glue curing operation is performed, corresponding gaps are not required to be reserved, the whole volume of the camera is further miniaturized, the mode of fixing the glue 18 is adopted, the internal structure of the camera is not required to be changed, and the operation is simple. As shown in fig. 5, the inner wall of the main housing 1 may be provided with a corresponding pressing member to be matched with the boss to be clamped and fixed, the pressing member 19 is used to fix the control circuit board 4, which is more convenient for the disassembly of the control circuit board 4 and the subsequent modification and maintenance, the pressing member 19 may be provided with a plurality of elastic members 190 which can stretch relative to the inner surface of the main housing 1, the control circuit board 4 elastically presses and passes over the elastic members 190, the elastic members 190 elastically reset to be matched with the boss 16 to clamp the control circuit board 4, or one side of the inner part of the main housing 1 is provided with the elastic members 190, the opposite side is provided with a fixing bump 192 protruding relative to the inner wall of the main housing 1, one side of the control circuit board 4 is inserted into a gap between the fixing bump 192 and the boss 16, and the opposite side elastically presses and passes over the elastic members 190, and the elastic members 190 elastically reset to clamp the control circuit board 4. It can be understood that the pressing piece 19 may also be a rotary pressing piece screwed in and out relative to the inner wall of the main housing 1, and the rotary pressing piece is screwed in the main housing 1 to facilitate the installation of the control circuit board 4, and then the rotary pressing piece is screwed out to tightly press and fix the control circuit board 4; or a toggle block is adopted, wherein one end of the toggle block pivoted with the main housing 1 in the middle is embedded into the main housing 1, and the opposite end of the toggle block is protruded relative to the inner wall of the main housing 1, the toggle block is pressed down to enable the control circuit board 4 to rest on the boss 16, and the protruded end of the toggle block relative to the inner wall of the main housing 1 is abutted against the control circuit board 4.

In another alternative embodiment of the present utility model, as shown in fig. 2 to 3, the boss 16 is provided at each corner of the inside of the main casing 1, and the boss 16 is integrally protruded from the surface of the side of the mounting step 14 facing the opening 10 toward the opening 10. In this embodiment, the boss 16 is disposed at the corner of the main housing 1, so as to avoid affecting the design of the circuit trace on the control circuit board 4, the boss 16 is formed by integrally protruding and extending from the surface of the mounting step 14 facing to the opening 10 toward the opening 10, and the distance between the control circuit board 4 and the optical circuit board 3 can be defined by designing the thickness of the boss 16, so that the structural stability of the vehicle-mounted camera is enhanced.

In another alternative embodiment of the present utility model, as shown in fig. 2 and 3, the mounting step 14 further protrudes a positioning post 141 perpendicular to the board surface of the optical circuit board 3, the optical circuit board 3 is provided with a positioning hole 30 corresponding to the positioning post 141, and the positioning post 141 is disposed through the positioning hole 30 to position the optical circuit board 3. In this embodiment, the positioning posts 141 perpendicular to the board surface of the optical circuit board 3 protrude from the mounting step 14, and the positioning holes 30 are correspondingly disposed on the optical circuit board 3, and the positioning posts 141 are disposed through the positioning holes 30 to position the mounting position of the optical circuit board 3, so as to ensure the accuracy of the assembly position of the optical circuit board 3, and facilitate the operation of the subsequent locking screws 11.

In another alternative embodiment of the present utility model, as shown in fig. 2 and 6, the optical circuit board 3 and the control circuit board 4 are connected by plugging through a plugging connector 5. The optical circuit board 3 in this embodiment is connected to the control circuit board 4 by a plug connector 5, so that on one hand, the two circuit boards are electrically connected, and on the other hand, the two ends of the plug connector 5 respectively provide a certain board supporting force for the optical circuit board 3 and the control circuit board 4, so as to enhance the assembly firmness between the optical circuit board 3 and the control circuit board 4 and the main housing 1.

In another alternative embodiment of the present utility model, as shown in fig. 2 and 4, the vehicle-mounted camera further includes a rear cover 6 that is in butt joint with the main housing 1 and closes the opening 10 correspondingly, and the main housing 1 and the rear cover 6 are integrally connected by laser welding. In this embodiment, the rear cover 6 is welded to the opening 10 of the main housing 1 to form a complete housing of the vehicle-mounted camera, and the optical circuit board 3 and the control circuit board 4 are correspondingly assembled in the interior in a sealing manner, so that the process is relatively simple, the sealing performance is good, and the waterproof performance of the vehicle-mounted camera is improved.

In another alternative embodiment of the present utility model, as shown in fig. 2 and 6, the main housing 1 and the rear cover 6 are both made of metal materials. In this embodiment, the main housing 1 and the rear cover 6 are made of metal materials, so that the heat conduction performance of the metal materials is good, the overall heat dissipation performance of the vehicle-mounted camera can be enhanced, and the shooting function of the optical element is prevented from being influenced by too high temperature inside the vehicle-mounted camera.

In another alternative embodiment of the present utility model, as shown in fig. 2 and 6, the vehicle-mounted camera further includes a heat dissipation material layer 7 filled between the electronic components on the control circuit board 4 and the inner wall of the rear cover 6. According to the embodiment, the heat dissipation material layer 7 is filled between the electronic components on the control circuit board 4 and the inner wall of the rear cover 6, so that heat conduction to the rear cover 6 is quickened, the rear cover 6 made of metal dissipates heat to the external environment, the heat dissipation and cooling performance of the electronic components on the control circuit board 4 is enhanced, and circuit faults caused by local overheating on the control circuit board 4 are avoided. In the specific implementation process, the heat dissipation material layer 7 may be a heat conduction silica gel, a heat conduction metal sheet, a heat conduction ceramic sheet, or the like.

In another alternative embodiment of the present utility model, as shown in fig. 1 and 2, the control circuit board 4 is provided with a pin connector 41 penetrating the rear cover 6 to be plugged with a socket connector 81 at the end of the external harness 8. In this embodiment, the control circuit board 4 is provided with the pin connector 41, and the pin connector 41 penetrates through the rear cover 6 to be connected with the socket connector 81 at the tail end of the external wiring harness 8 in a plugging manner, so as to realize the access and data transmission of an external power supply.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many changes may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.

Claims

1. The vehicle-mounted camera comprises a main shell, a lens, an optical circuit board and a control circuit board, wherein one end of the main shell is provided with a mounting hole, an opening is formed in the other end of the main shell opposite to the mounting hole, the lens is arranged in the mounting hole in a penetrating mode, the optical circuit board and the control circuit board are all fixed in the main shell and are arranged in parallel, the optical circuit board is arranged between the lens and the control circuit board, the vehicle-mounted camera is characterized in that a mounting step and a plurality of bosses are arranged on the inner wall of the main shell around the mounting hole, the mounting step is arranged between the mounting hole and the bosses, a clearance gap is formed at the edge of the optical circuit board, the clearance gap is aligned with the bosses, the optical circuit board is placed in the main shell through the opening and is placed on the mounting step, the optical circuit board is locked on the mounting step through corresponding through holes formed in the optical circuit board, and the edge part of the control circuit board is placed on each boss and is clamped and fixed with the boss by means of glue or by means of pressing piece fixed in the main shell.

2. The vehicle-mounted camera according to claim 1, wherein the boss is provided at each corner of the inside of the main housing, and the boss is integrally protruded and extended from a surface of the mounting step toward the opening side toward the opening direction.

3. The vehicle-mounted camera of claim 1, wherein the mounting step further protrudes a positioning column perpendicular to the surface of the optical circuit board, the optical circuit board is provided with a positioning hole corresponding to the positioning column, and the positioning column penetrates through the positioning hole to position the optical circuit board.

4. The vehicle camera of claim 1, wherein the optical circuit board is connected to the control circuit board by a plug connector.

5. The vehicle-mounted camera according to claim 1, further comprising a rear cover that interfaces with the main housing and that correspondingly closes the opening, the main housing and the rear cover being integrally connected by laser welding.

6. The vehicle camera of claim 5, wherein the main housing and the rear cover are both made of metal.

7. The vehicle camera of claim 6, further comprising a layer of heat dissipating material filled between the electronic components on the control circuit board and the inner wall of the rear cover.

8. The vehicle-mounted camera of claim 5, wherein the control circuit board is provided with a pin connector penetrating the rear cover to be plugged with a socket connector at the tail end of the external wiring harness.