CN213990809U - Vehicle-mounted camera - Google Patents
Vehicle-mounted camera Download PDFInfo
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- CN213990809U CN213990809U CN202120268158.2U CN202120268158U CN213990809U CN 213990809 U CN213990809 U CN 213990809U CN 202120268158 U CN202120268158 U CN 202120268158U CN 213990809 U CN213990809 U CN 213990809U
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- circuit board
- dustproof
- vehicle
- lens
- side wall
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Abstract
The utility model relates to an on-vehicle camera field discloses an on-vehicle camera, include: the circuit board, the photosensitive chip, the sealing element and the lens component are arranged on the circuit board; the photosensitive chip is arranged on the circuit board, and the circuit board is matched with the lens component to form an accommodating cavity for accommodating the photosensitive chip; a dustproof retaining wall is arranged on one side of the lens component, which faces the circuit board, and the dustproof retaining wall is positioned on the periphery of the photosensitive chip; the lens assembly is hermetically connected with the circuit board through a sealing element. The sealing member is located the sensitization chip periphery as first dustproof construction, dustproof barricade, and dustproof construction is said as the second, prevents to pass the dust pollution sensitization chip that first dustproof construction got into and hold the chamber. In addition, because the dust entering the accommodating chamber is usually carried by air to move, most of the dust enters the photosensitive chip region from the accommodating chamber side close to the lens assembly, and therefore, the dustproof retaining wall is arranged on the lens assembly by the vehicle-mounted camera so as to improve the dustproof effect.
Description
Technical Field
The utility model relates to an on-vehicle camera technical field, in particular to on-vehicle camera.
Background
With the continuous development of the automobile electronic technology to the direction of intellectualization and informatization, the application of the camera sensor on the automobile is more and more extensive. The image information inside and outside the automobile can be collected by a plurality of cameras configured on the automobile, and is presented to the driver in various forms after being processed, so that the driver can have safer and more comfortable driving experience when driving for traveling.
When the traditional vehicle-mounted camera is produced, dust and particles easily enter a cavity of the vehicle-mounted camera. When the vehicle-mounted camera is used, in a continuous moving process, dust in the cavity is likely to fall on components in the cavity, so that black spots and shadows appear on an imaging picture, and imaging quality is affected. The influence of the black points on the picture on the use experience of the user is very poor during imaging. How to realize a certain dustproof function by using a simple structure is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an on-vehicle camera for solve traditional on-vehicle camera can not dirt-proof problem.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an in-vehicle camera, comprising: the circuit board, the photosensitive chip, the sealing element and the lens component are arranged on the circuit board;
the photosensitive chip is arranged on the circuit board, and the circuit board is matched with the lens component to form an accommodating cavity for accommodating the photosensitive chip;
a dustproof retaining wall is arranged on one side, facing the circuit board, of the lens assembly and is positioned on the periphery of the photosensitive chip;
the lens assembly is connected with the circuit board in a sealing mode through the sealing piece.
In the vehicle-mounted camera, the photosensitive chip is mounted on the circuit board, specifically, the photosensitive chip is soldered on the circuit board, the lens assembly is assembled on the circuit board and is hermetically connected with the circuit board through the sealing element, and the sealing element is used as a first dustproof structure; lens barrel subassembly and circuit board cooperation form the chamber that holds that is used for holding the sensitization chip to, the lens barrel subassembly is equipped with dustproof barricade towards circuit board one side, and dustproof barricade is located the sensitization chip periphery after the lens barrel subassembly is assembled on the circuit board, and dustproof barricade is as the dustproof construction of second way, prevents to pass the dust pollution sensitization chip that the chamber was held in first dustproof construction entering. In addition, because the dust entering the accommodating chamber is usually carried by air to move, most of the dust enters the photosensitive chip region from the accommodating chamber side close to the lens assembly, and therefore, the dustproof retaining wall is arranged on the lens assembly by the vehicle-mounted camera so as to improve the dustproof effect.
Optionally, the seal is a gasket.
Optionally, the gasket is a rubber sheet.
Optionally, the circuit board is connected with the lens assembly through screws.
Optionally, the circuit board and the lens assembly are fixed by using a sealant.
Optionally, the dustproof retaining wall is an annular retaining wall.
Optionally, the dustproof retaining wall includes a first sidewall, a second sidewall, a third sidewall and a fourth sidewall, wherein the first sidewall is opposite to the third sidewall, and the second sidewall is opposite to the fourth sidewall.
Optionally, the first side wall, the second side wall, the third side wall and the fourth side wall are connected in sequence.
Optionally, the lens assembly includes a lens and a base, and the lens is mounted on a side of the base away from the circuit board.
Optionally, the lens is in threaded connection with the base, and the lens is fixed with the base through a sealant.
Drawings
Fig. 1 is an exploded view of a vehicle-mounted camera provided in an embodiment of the present invention;
fig. 2 is a three-dimensional perspective view of a vehicle-mounted camera provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a base in a vehicle-mounted camera provided in an embodiment of the present invention;
fig. 4 is a top view of a vehicle-mounted camera provided in the embodiment of the present invention;
fig. 5 is a sectional view taken along line a-a in fig. 4.
Icon: 1-a circuit board; 2-a photosensitive chip; 3-a seal; 4-a lens assembly; 5-a screw; 6-sealing glue; 41-lens; 42-a base; 421-dustproof retaining wall; 422-positioning column.
Detailed Description
When the vehicle-mounted camera is produced, the photosensitive chip is soldered on the circuit board, the lens is assembled on the base, then the base and the circuit board are pressed through screws, and finally glue is fixed on the periphery of the base in a circle. If the direct pressfitting of base and circuit board intermediate is, there is not filler such as glue, the dust in the environment very easily gets into from the clearance between base and the circuit board and holds the intracavity during production. And because when the vehicle-mounted camera is used, the vehicle-mounted camera is in a ceaseless moving process, dust in the accommodating cavity is likely to fall on the photosensitive chip, so that black spots and shadows appear on an imaging picture, and the imaging quality is influenced. The influence of the black points on the picture on the use experience of the user is very poor during imaging. The utility model discloses a certain dustproof function is realized to simple structure. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, an embodiment of the present invention provides an on-vehicle camera, including: the device comprises a circuit board 1, a photosensitive chip 2, a sealing element 3 and a lens assembly 4; the photosensitive chip 2 is arranged on the circuit board 1, and the circuit board 1 and the lens component 4 are matched to form an accommodating cavity for accommodating the photosensitive chip 2; the lens component 4 is provided with a dustproof retaining wall 421 towards one side of the circuit board 1, and the dustproof retaining wall 421 is positioned at the periphery of the photosensitive chip 2; the lens assembly 4 is hermetically connected with the circuit board 1 through a sealing piece 3.
In the vehicle-mounted camera, the photosensitive chip 2 is mounted on the circuit board 1, specifically, the photosensitive chip 2 is soldered on the circuit board 1, the lens component 4 is assembled on the circuit board 1 and is hermetically connected with the circuit board 1 through the sealing element 3, and the sealing element 3 is used as a first dustproof structure; lens subassembly 4 forms the chamber that holds that is used for holding sensitization chip 2 with the cooperation of circuit board 1 to, lens subassembly 4 is equipped with dustproof barricade 421 towards 1 one side of circuit board, and dustproof barricade 421 is located sensitization chip 2 peripherally after lens subassembly 4 equipment is on circuit board 1, and dustproof barricade 421 is as the dustproof construction of second way, prevents to pass the dust pollution sensitization chip 2 that the chamber was held in first dustproof construction entering. In addition, since the dust entering the accommodating chamber is generally carried by air and moved, most of the dust enters the photosensitive chip 2 area from the side of the accommodating chamber close to the lens assembly 4, and therefore, the dustproof retaining wall 421 is disposed on the lens assembly 4 to improve the dustproof effect.
The embodiment of the utility model provides an on-vehicle camera holds the chamber big, can satisfy electric capacity, resistance and deposit, also has the space to set up dustproof barricade 421, can strengthen the holistic intensity of module and also can play dustproof effect.
In one possible implementation, and with reference to fig. 1, the seal 3 is a gasket. The gasket is made of paper, rubber or copper sheet, and is placed between the contact surfaces of the lens assembly 4 and the circuit board 1 to reinforce the sealing material, and is a sealing member provided between the static sealing surfaces in the housing chamber in order to prevent dust, particles, etc. from entering. The vehicle-mounted camera is large in size, the flatness of the lens assembly 4 and the circuit board 1 is not high, a tilting gap is formed between the lens assembly 4 and the circuit board 1 easily, and a gasket is added to effectively fill the gap.
Optionally, the gasket is a rubber sheet. The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. Meanwhile, the rubber sheet can also reduce the vibration between the lens assembly 4 and the circuit board 1.
Optionally, the circuit board 1 and the lens assembly 4 are connected by a screw 5.
In a possible implementation manner, referring to fig. 3 and 5, a positioning column 422 is disposed on one side of the lens assembly 4 facing the circuit board 1, a positioning hole matched with the positioning column 422 is disposed on the circuit board 1 to achieve positioning and pre-fixing between the lens assembly 4 and the circuit board 1, and after the positioning column 422 on the lens assembly 4 is inserted into the positioning hole on the circuit board 1, the lens assembly 4 and the circuit board 1 are fixed by a screw 5.
Optionally, the circuit board 1 and the lens assembly 4 are fixed by using a sealant 6.
With continued reference to fig. 3 and 5, after the lens assembly 4 and the circuit board 1 are pressed together by the screw 5, a circle of glue is dispensed around the periphery for fixing, specifically, the glue may be a sealant 6. Because on-vehicle camera is bulky, and service environment is complicated, has stress to rock most of the time, uses glue fixed strength not enough between circuit board 1 and the camera lens subassembly 4, unsatisfied car rule trade life, so this embodiment adopts screw 5 and sealed 6 combination modes of gluing, can prevent dust and can fix again.
Alternatively, the dust retaining wall 421 is an annular retaining wall.
With reference to fig. 3, the lens assembly 4 is provided with an annular dustproof wall 421 facing the circuit board 1, and with reference to fig. 5, a certain gap is maintained between the dustproof wall 421 and the circuit board 1, and the dustproof wall surrounds the periphery of the photosensitive chip 2. Because dust or granule are usually carried by the air and move, so need guarantee dustproof barricade 421 and lens subassembly 4 between the zero clearance can, have the clearance simultaneously between dustproof barricade 421 and the circuit board 1, can realize dustproof effect on the one hand, on the other hand can also prevent dustproof barricade 421 from damaging circuit board 1.
It should be noted that the annular dustproof retaining wall 421 may be a closed annular dustproof retaining wall 421, or may be an annular shape surrounded by a plurality of retaining walls, and a certain gap is formed between the retaining walls, but because of the existence of the gap, the dustproof effect is not as good as that of the closed annular dustproof retaining wall 421. In addition, the specific shape of the annular dustproof retaining wall 421 can be polygonal or circular or oval or other irregular figures.
In a possible implementation manner, the annular dustproof retaining wall 421 is rectangular, and specifically, the dustproof retaining wall 421 includes a first side wall, a second side wall, a third side wall and a fourth side wall, where the first side wall is opposite to the third side wall, and the second side wall is opposite to the fourth side wall.
Optionally, the first side wall, the second side wall, the third side wall and the fourth side wall are sequentially connected to form a closed rectangular dustproof retaining wall 421, so that dust and particles entering the accommodating cavity can be effectively prevented from polluting the photosensitive chip 2.
Alternatively, referring to fig. 5, the lens assembly 4 includes a lens 41 and a base 42, and the lens 41 is mounted on a side of the base 42 facing away from the circuit board 1.
Optionally, the lens 41 is screwed with the base 42, and the lens 41 and the base 42 are fixed by the sealant 6.
Referring to fig. 1 in conjunction with fig. 5, the lens 41 is assembled on the base 42 and fixed by glue, specifically, the glue may be the sealant 6.
It should be noted that, the dustproof structure of the photosensitive chip 2 in the vehicle-mounted camera is simple, the cost is low, and the overall structural strength can be also met. For the base 42, the injection molded part can be molded by adding design, and the cost is not increased. The rubber sheet has low cost and simple assembly. Therefore, the vehicle-mounted camera is simple in overall structure and achieves the dustproof purpose.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An on-vehicle camera, characterized by, includes: the circuit board, the photosensitive chip, the sealing element and the lens component are arranged on the circuit board;
the photosensitive chip is arranged on the circuit board, and the circuit board is matched with the lens component to form an accommodating cavity for accommodating the photosensitive chip;
a dustproof retaining wall is arranged on one side, facing the circuit board, of the lens assembly and is positioned on the periphery of the photosensitive chip;
the lens assembly is connected with the circuit board in a sealing mode through the sealing piece.
2. The in-vehicle camera according to claim 1, wherein the seal is a gasket.
3. The vehicle camera according to claim 2, wherein the spacer is a rubber sheet.
4. The vehicle-mounted camera according to claim 1, wherein the circuit board is connected with the lens assembly through screws.
5. The vehicle-mounted camera according to claim 4, wherein the circuit board and the lens assembly are fixed by a sealant.
6. The vehicle-mounted camera according to claim 1, wherein the dustproof retaining wall is an annular retaining wall.
7. The vehicle-mounted camera according to claim 1, wherein the dust-proof retaining wall includes a first side wall, a second side wall, a third side wall, and a fourth side wall, wherein the first side wall is opposite to the third side wall, and the second side wall is opposite to the fourth side wall.
8. The on-vehicle camera according to claim 7, wherein the first side wall, the second side wall, the third side wall, and the fourth side wall are connected in this order.
9. The vehicle-mounted camera according to claim 1, wherein the lens assembly comprises a lens and a base, and the lens is mounted on a side of the base facing away from the circuit board.
10. The vehicle-mounted camera according to claim 9, wherein the lens is screwed to the base, and the lens is fixed to the base by a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268158.2U CN213990809U (en) | 2021-01-29 | 2021-01-29 | Vehicle-mounted camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120268158.2U CN213990809U (en) | 2021-01-29 | 2021-01-29 | Vehicle-mounted camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213990809U true CN213990809U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120268158.2U Active CN213990809U (en) | 2021-01-29 | 2021-01-29 | Vehicle-mounted camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213990809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157796A (en) * | 2021-12-20 | 2022-03-08 | 浙江舜宇智领技术有限公司 | Dustproof construction and module of making a video recording |
| CN117061855A (en) * | 2023-10-12 | 2023-11-14 | 泸州合达源电子科技有限公司 | Camera module with super wide angle is made a video recording |
-
2021
- 2021-01-29 CN CN202120268158.2U patent/CN213990809U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157796A (en) * | 2021-12-20 | 2022-03-08 | 浙江舜宇智领技术有限公司 | Dustproof construction and module of making a video recording |
| CN114157796B (en) * | 2021-12-20 | 2024-01-30 | 浙江舜宇智领技术有限公司 | Dustproof structure and camera module |
| CN117061855A (en) * | 2023-10-12 | 2023-11-14 | 泸州合达源电子科技有限公司 | Camera module with super wide angle is made a video recording |
| CN117061855B (en) * | 2023-10-12 | 2024-01-19 | 泸州合达源电子科技有限公司 | Camera module with super wide angle is made a video recording |
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