CN218734638U - Vehicle-mounted camera circuit board fastening device - Google Patents
Vehicle-mounted camera circuit board fastening device Download PDFInfo
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- CN218734638U CN218734638U CN202222985441.4U CN202222985441U CN218734638U CN 218734638 U CN218734638 U CN 218734638U CN 202222985441 U CN202222985441 U CN 202222985441U CN 218734638 U CN218734638 U CN 218734638U
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- circuit board
- vehicle
- outer cover
- camera
- fastening device
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- 238000000034 method Methods 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 10
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The application provides a vehicle-mounted camera circuit board fastener, vehicle-mounted camera circuit board fastener includes: a circuit board including a photosensitive chip; the first outer cover is connected with the circuit board by using a spin riveting process; the circuit board is fastened on the first outer cover, and the optical axis of the lens is aligned with the center of the photosensitive chip. This application adopts and rivets the fixed camera circuit board of mode soon, can the control circuit board X, Y, Z direction removal, has realized the stability at image center, has also saved the cost of screw simultaneously.
Description
Technical Field
The application belongs to the technical field of vehicle-mounted equipment, relates to a camera device, and particularly relates to a vehicle-mounted camera circuit board fastening device.
Background
In recent years, with the development of advanced driving assistance technology, the image quality of the vehicle-mounted camera for the eyes of the automobile is higher and higher. At present, pure aluminum materials with high heat transfer speed and light weight are often adopted in the market, and a circuit board is fastened by adopting a locking screw mode.
The existing pure aluminum laser welding camera adopts a pan head screw to lock a circuit board. Because of the soft texture of pure aluminum material, often adhere to the thread and cause to twist to block and attack tooth inefficacy, lock and pay not tightly in the lock pay process, so can't overcome the camera and shake test, cold and hot shock test and vehicle and go on the road surface of jolting the back, the skew appears in the camera circuit board, leads to the image center skew to influence the reliability of panorama system image concatenation, the accurate positioning of auxiliary drive.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a vehicle-mounted camera circuit board fastening device for solve the problem that the lock of pure aluminum welding camera circuit board when the screw lock is paid appears and pay not tightly.
In a first aspect, the present application provides a vehicle-mounted camera circuit board fastening device, the vehicle-mounted camera circuit board fastening device includes: a circuit board including a photosensitive chip; the first outer cover is connected with the circuit board by using a spin riveting process; the circuit board is fastened on the first outer cover, and the optical axis of the lens is aligned with the center of the photosensitive chip.
In this application, the problem that pure aluminum welding camera circuit board lock is paid not tightly has been solved through the connected mode of riveting technology soon, provides a more reliable fastening mode.
In an implementation manner of the first aspect, a set of diagonal positions of the first outer cover is provided with a rivet column, and a riveting hole is formed in each of diagonal positions of the circuit board, which are vertically corresponding to the set of diagonal positions of the first outer cover.
In one implementation manner of the first aspect, the rivet head to be installed is rotated and pressed down to contact with the rivet column penetrating through the riveting hole, and the riveted rivet column gradually forms regular and firm overall deformation from local deformation so that the circuit board is screwed and fastened on the camera head.
In the implementation mode, the riveting column achieves plastic deformation through rotary riveting and fastening, the circumference of the workpiece is continuously rolled through the eccentric rotation process of the riveting head, and the riveting column deforms and limits the X, Y and Z directions of the circuit board to move.
In one implementation manner of the first aspect, after the optical axis of the lens is aligned with the center of the photosensitive chip, the lens is adhesively connected with the first outer cover.
In one implementation manner of the first aspect, the vehicle-mounted camera circuit board fastening device further includes a second outer cover; and after the lens is bonded and connected with the first outer cover, the second outer cover is welded and fixed with the first outer cover.
In one implementation manner of the first aspect, the vehicle-mounted camera circuit board fastening device further includes a wire harness; the wiring harness is locked and attached to the outer side of the second outer cover.
In one implementation of the first aspect, the camera includes at least one of a look-around camera, a look-ahead camera, or a look-around camera.
In one implementation form of the first aspect, the camera comprises a 2M camera or a 2.5M camera.
As described above, the vehicle-mounted camera circuit board fastening device has the following beneficial effects:
this application pure aluminum welding camera adopts and rivets technology fastening circuit board soon, and through the plastic deformation of riveting the post, the circular head of riveting the post provides the axial pretightning force, and the side of riveting the post root and withstanding circuit board screw hole effectively controls the X of circuit board, Y, Z direction and removes and rotate, keeps the unchangeable of camera lens optical axis and chip photosurface central point and puts, has realized the position stability at image center. The reliability of the image splicing of the panoramic system is further improved, and the accurate positioning of auxiliary driving is realized.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle-mounted camera circuit board fastening device according to an embodiment of the present application.
Fig. 2 is a diagram showing a riveting structure of the vehicle-mounted camera circuit board fastening device according to the embodiment of the present application.
Fig. 3 is a view showing a lens assembly structure of the vehicle-mounted camera circuit board fastening device according to the embodiment of the present application.
Fig. 4 is a diagram illustrating an assembly structure of an outer cover of the vehicle-mounted camera circuit board fastening device according to the embodiment of the present application.
Fig. 5 is a diagram illustrating a wiring harness assembly structure of the vehicle-mounted camera circuit board fastening device according to the embodiment of the present application.
Description of the element reference numerals
1. Circuit board
2. First outer cover
3. Riveting column
31. Riveting head
4. Lens barrel
5. Second outer cover
6. Wire harness
7 screw
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application and are not drawn according to the number, shape and size of the components in actual implementation, and the type, number and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The inventor realizes that the pan head screw is adopted to lock the circuit board, and the pure aluminum material is soft, so that the pan head screw often adheres to the screw teeth in the locking process to cause screw-in blockage, tapping failure and locking tightness.
The inventors have also recognized that in the art, for the problem of circuit board offset in pure aluminum soldered cameras, it is common to assemble the circuit boards using AA (active focus) process and fix the circuit boards with shadowless glue or AA (active focus) process and solder the circuit boards. In the 2 modes, although locking screws can be eliminated, and the position of the circuit board can be kept still, the lens and the upper cover of the camera head need to be fixed well, and the gap between the circuit board and the shell needs to be increased, namely the external dimension of the camera head needs to be increased, and meanwhile, soldering equipment needs to be added on the AA equipment.
The following embodiment of the application provides a vehicle-mounted camera circuit board fastening device, and the problems that the image center deviates, the image splicing reliability of a panoramic system is influenced, the accurate positioning of driving assistance is influenced and the like due to the fact that the camera circuit board deviates after vibration testing, cold and hot shock tests and running of a vehicle on a bumpy road surface can be solved. In addition, the lens and the upper cover of the camera do not need to be fixed well, the overall dimension of the camera does not need to be increased, soldering equipment does not need to be added on the AA equipment, and the problem that the pure aluminum welding camera circuit board is not locked tightly when a screw is locked is solved.
The principle and the implementation of the vehicle-mounted camera circuit board fastening device of the present embodiment will be described in detail below with reference to the accompanying drawings, so that those skilled in the art can understand the vehicle-mounted camera circuit board fastening device of the present embodiment without creative work.
As shown in fig. 1 and 3, the present embodiment provides a vehicle-mounted camera circuit board fastening device based on laser welding, including: the circuit board 1, first enclosing cover 2, riveting post 3 and camera lens 4.
The circuit board 1 includes a photosensitive chip.
The first outer cover 2 and the circuit board 1 are connected through a spin riveting process by using riveting columns 3.
The circuit board 1 is fastened on the first outer cover 2, and the optical axis of the lens 4 is ensured to be aligned with the center of the photosensitive chip.
As shown in fig. 2, the stud 3 includes a rivet head 31. A set of diagonal positions of the first outer cover 2 are respectively provided with a riveting column 3, and the diagonal positions of the circuit board 1 and the set of diagonal positions of the first outer cover 2 which are vertically corresponding are respectively provided with a riveting hole.
The riveting head 31 to be installed rotates and presses downwards to be in contact with the riveting column 3 penetrating through the riveting hole, and the riveted riveting column 3 gradually forms regular and firm overall deformation through local deformation so that the circuit board 1 is screwed and fastened on the camera. Therefore, the riveting head 31 rotates and presses downwards to enable the riveting column 3 to achieve plastic deformation, the circumference of the riveting column 3 is continuously rolled through the eccentric rotation process of the riveting head, and the riveting column 3 deforms and limits the X, Y and Z directions of the circuit board to move.
Specifically, the first outer cover 2 is a camera head upper cover. Pure aluminium welding camera upper cover diagonal angle corresponds circuit board diagonal angle trompil position, and each design has 1 riveting post. Generally, the riveting method is characterized in that after the circuit board is assembled, the riveting column protrudes out of the upper surface of the circuit board, preferably, the riveting process is preferably utilized in the application, after the circuit board is assembled, an eccentric riveting head on an automatic riveting machine rotates and presses downwards, and the eccentric riveting head contacts with the riveting column to be riveted at a swinging angle of 3-5 degrees, so that the riveting column to be riveted gradually forms regular and firm integral deformation through local deformation, the optimal riveting effect is achieved, and the riveting method is a process from quantitative change to qualitative change. After riveting is finished, the head of the riveting column is changed into a round shape, and axial pre-tightening force is provided for the circuit board; meanwhile, the root of the riveting column becomes thick and large and props against the side wall of the screw hole, so that the circuit board is limited to move and rotate, and the reliable fixation of the circuit board is completed.
In one embodiment, after the optical axis of the lens 4 is aligned with the center of the optical sensor chip, the lens 4 is bonded to the first cover 2.
Specifically, the equipment adopting the AA process clamps the lens through a manipulator of the AA equipment, adjusts the optical axis of the lens to be aligned with the center of a photosensitive chip of the circuit board, and then bonds and connects the lens and the upper cover by shadowless glue. Therefore, the reliable fixing of the circuit board and the alignment of the optical axis of the lens and the photosensitive chip are completed.
As shown in fig. 4, in an embodiment, the vehicle-mounted camera circuit board fastening device further includes a second outer cover 5, and the second outer cover 5 is a camera lower cover.
After the lens 4 is bonded to the first outer cover 2, the second outer cover 5 is welded to the first outer cover 2. Specifically, the camera back cover is laser-welded.
As shown in fig. 5, in an embodiment, the vehicle-mounted camera circuit board fastening device further includes a wire harness 6. The wire harness 6 is locked to the outside of the second exterior cover 5. In practical application, the wire harness 6 is locked to the outer side of the second outer cover 5 through a screw 7. Specifically, a camera finished product is formed after the assembly line bundle.
In one embodiment, the camera includes at least one of a look-around camera, a look-ahead camera, or a look-around camera.
In an embodiment, the camera includes a 2M camera or a 2.5M camera.
The application relates to a vehicle-mounted camera circuit board fastening device, which mainly comprises the following two application scenes:
(1) The vehicle-mounted camera circuit board fastening device is applied to a panoramic all-around viewing system. On-vehicle camera circuit board fastener includes: a circuit board including a photosensitive chip; the first outer cover is connected with the circuit board by using a spin riveting process; the circuit board is fastened on the first outer cover, and the optical axis of the lens is aligned with the center of the photosensitive chip.
(2) The vehicle-mounted camera circuit board fastening device is applied to an auxiliary driving system. On-vehicle camera circuit board fastener includes: a circuit board including a photosensitive chip; the first outer cover is connected with the circuit board through a spin riveting process; the circuit board is fastened on the first outer cover, and the optical axis of the lens is aligned with the center of the photosensitive chip.
The description of the structures corresponding to the above drawings has emphasis, and for parts of a certain structure that are not described in detail, reference may be made to the description of other structures.
The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.
Claims (8)
1. The utility model provides a vehicle-mounted camera circuit board fastener which characterized in that, vehicle-mounted camera circuit board fastener includes:
a circuit board including a photosensitive chip;
the first outer cover is connected with the circuit board by using a spin riveting process;
the circuit board is fastened on the first outer cover, and the optical axis of the lens is aligned with the center of the photosensitive chip.
2. The vehicle-mounted camera circuit board fastening device according to claim 1, characterized in that:
and the group of diagonal positions of the first outer cover are respectively provided with a riveting column, and the diagonal positions of the circuit board, which are vertically corresponding to the group of diagonal positions of the first outer cover, are respectively provided with a riveting hole.
3. The vehicle-mounted camera circuit board fastening device according to claim 2, characterized in that:
and the riveting head to be installed is rotated and pressed downwards to be in contact with the riveting column penetrating through the riveting hole, and the riveted riveting column gradually forms regular and firm integral deformation through local deformation so that the circuit board is fastened on the camera in a riveting mode.
4. The vehicle-mounted camera circuit board fastening device according to claim 1, characterized in that:
and after the optical axis of the lens is aligned with the center of the photosensitive chip, the lens is bonded with the first outer cover.
5. The vehicle-mounted camera circuit board fastening device according to claim 4, characterized in that: the vehicle-mounted camera circuit board fastening device further comprises a second outer cover;
and after the lens is bonded and connected with the first outer cover, the second outer cover is welded and fixed with the first outer cover.
6. The vehicle-mounted camera circuit board fastening device according to claim 5, characterized in that: the vehicle-mounted camera circuit board fastening device further comprises a wire harness;
the wire harness is locked and attached to the outer side of the second outer cover.
7. The vehicle-mounted camera circuit board fastening device according to claim 1, characterized in that:
the camera comprises at least one of a look-around camera, a forward-looking camera or a panoramic camera.
8. The vehicle-mounted camera circuit board fastening device according to claim 1, characterized in that:
the camera comprises a 2M camera or a 2.5M camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222985441.4U CN218734638U (en) | 2022-11-07 | 2022-11-07 | Vehicle-mounted camera circuit board fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222985441.4U CN218734638U (en) | 2022-11-07 | 2022-11-07 | Vehicle-mounted camera circuit board fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218734638U true CN218734638U (en) | 2023-03-24 |
Family
ID=85612617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222985441.4U Active CN218734638U (en) | 2022-11-07 | 2022-11-07 | Vehicle-mounted camera circuit board fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218734638U (en) |
-
2022
- 2022-11-07 CN CN202222985441.4U patent/CN218734638U/en active Active
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