CN212115472U

CN212115472U - Camera head

Info

Publication number: CN212115472U
Application number: CN202021125617.3U
Authority: CN
Inventors: 李俊俊; 程爱明
Original assignee: Beijing Jingwei Hirain Tech Co Ltd
Current assignee: Beijing Jingwei Hirain Tech Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-12-08
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a camera technical field discloses a camera. The camera comprises a shell, a first circuit board and an end cover, wherein the shell is provided with a cavity, and a first boss is arranged in the cavity; the end cover is fixedly connected with the shell, and a support column is arranged on the end cover; the first circuit board is installed in the cavity, and two sides of the first circuit board are respectively abutted to the first boss and the supporting column. Compared with the prior art, the installation mode of the first circuit board in the utility model has simple structure, saves the BOM cost, reduces the part structure and the production procedures, and is convenient to install and maintain; in addition, the first circuit board is not fixed by screws, so that the mounting space of the second circuit board below the first circuit board is not limited, and the practicability of the camera is improved.

Description

Camera head

Technical Field

The utility model relates to a camera technical field especially relates to a camera.

Background

In numerous early warning and discernment type ADAS function, vision image processing system is comparatively basic, also more directly perceived to the driver, and the camera is vision image processing system's basis again, therefore on-vehicle camera is essential in intelligent driving. Along with the expansion of functions, the number of the vehicle-mounted cameras is increased.

The circuit board of the existing camera module adopts a double-layer circuit board structure, the fixing mode of the first circuit board is generally screw fastening and adhesive, however, the screw fastening mode occupies a larger board surface, the second circuit board needs to avoid screws, the surface area of the second circuit board is further reduced, and the BOM cost and the assembly process are increased; the gluing process is required to be added in the mode of fixing by using the adhesive, so that the material cost and the production process are increased.

Accordingly, a camera is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on above, the utility model aims at providing a camera, simple structure reduces the BOM cost, has reduced spare part structure and production processes, and the installation is maintained conveniently.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a camera, comprising:

the shell is provided with a cavity, and a first boss is arranged in the cavity;

the end cover is fixedly connected with the opening end of the shell, and a support column is arranged on the end cover;

the first circuit board is installed in the cavity, and two sides of the first circuit board are respectively abutted to the first boss and the supporting column.

As a preferred technical scheme of the camera, the camera further comprises a second circuit board arranged in the cavity, wherein the second circuit board is positioned on one side, far away from the end cover, of the first circuit board and is arranged in parallel with the first circuit board;

a second boss is further arranged in the cavity, the height of the second boss is lower than that of the first boss in the direction perpendicular to the bottom surface of the shell, and an avoidance notch for avoiding the first boss is formed in the second circuit board;

the upper surface of the second boss is provided with a threaded hole, and the second circuit board is fixed on the second boss through the threaded hole.

As a preferred technical scheme of the camera, the first bosses are arranged at four corners of the cavity, and the two second bosses are arranged in the cavity and arranged diagonally.

As an optimal technical scheme of the camera, one of the four first bosses is provided with a first positioning column, and a first positioning notch matched with the positioning column is formed in the first circuit board.

As a preferred technical scheme of a camera, one of the two second bosses is provided with a second positioning column, and a second positioning notch matched with the positioning column is formed in the second circuit board.

As a preferred technical scheme of the camera, a sealing ring is arranged between the shell and the end cover.

As a preferred technical scheme of a camera, in the direction perpendicular to the bottom surface of the shell, the height of the supporting column is higher than that of the end cover, the sealing ring is provided with a through hole, and the supporting column penetrates through the through hole.

As a preferred technical scheme of camera, still include the lens subassembly, the casing is kept away from end cover one side is provided with the adapter sleeve, the adapter sleeve is located the lens subassembly.

As a preferred technical scheme of the camera, a stop boss is arranged on the lens component, and the front end of the connecting sleeve is abutted against the stop boss.

The camera further comprises an adapter, wherein the adapter is mounted at one end, far away from the shell, of the end cover, and the adapter is used for being connected with an external wiring harness.

The utility model has the advantages that:

the first circuit board is arranged in the cavity, and two sides of the first circuit board are respectively abutted against the first boss and the supporting column so as to fix the first circuit board. Compared with the prior art, the installation mode of the first circuit board in the utility model has simple structure, saves the BOM cost, reduces the part structure and the production procedures, and is convenient to install and maintain; in addition, the first circuit board is not fixed by screws, so that the mounting space of the second circuit board below the first circuit board is not limited, and the practicability of the camera is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a camera according to an embodiment of the present invention;

fig. 2 is an exploded view of a camera according to an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a camera according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second circuit board mounting according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a seal ring installation according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an adapter installation according to an embodiment of the present invention.

The figures are labeled as follows:

1-a shell; 11-a chamber; 12-a first boss; 121-a first positioning column; 13-a second boss; 131-a second positioning column; 14-connecting sleeves;

2-a first circuit board; 3-a second circuit board; 31-a second positioning notch;

4-end cover; 41-support column; 5-sealing ring;

6-lens assembly; 61-a stop boss;

7-an adapter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The circuit board of the existing camera module adopts a double-layer circuit board structure, the fixing mode of the circuit board is generally screw fastening and adhesive, however, the screw fastening mode occupies a larger board surface, and when two circuit boards exist, the BOM cost and the assembly process are increased; the gluing process is required to be added in the mode of fixing by using the adhesive, so that the material cost and the production process are increased.

To solve the above problem, as shown in fig. 1 to 7, the present invention provides a camera including a housing 1 with an open end, a first circuit board 2 and an end cover 4.

Specifically, as shown in fig. 2 and 3, a cavity 11 is disposed in the housing 1, the first circuit board 2 is mounted in the cavity 11, the end cap 4 is fastened to the open end of the housing 1, and the end cap 4 is fixedly connected to the housing 1, for example, by a screw connection.

Specifically, a first boss 12 is arranged in the cavity 11, a support column 41 is arranged in the end cover 4, and when the first circuit board 2 is mounted in place, two sides of the first circuit board 2 abut against the first boss 12 and the support column 41 respectively, so that the first circuit board 2 is fixed.

Specifically, in the direction perpendicular to the bottom surface of the housing 1, the height of the supporting column 41 is higher than that of the end cover 4, and after the end cover 4 is fixed to the housing 1, the supporting column 41 abuts against the first circuit board 2, so that the two sides of the first circuit board 2 abut against the first boss 12 and the supporting column 41 respectively, and thus the first circuit board 2 is fixed.

Further, as shown in fig. 4 and 5, a second boss 13 and a second circuit board 3 parallel to the first circuit board 2 are disposed in the cavity 11, and the second circuit board 3 is located on a side of the first circuit board 2 away from the end cap 4. In order to meet the requirement that the second circuit board 3 is convenient to install and maintain, the second circuit board 3 is detachably installed on the second boss 13, the height of the first boss 12 is higher than that of the second boss 13 in the direction perpendicular to the bottom surface of the shell 1, and meanwhile, an avoiding notch for avoiding the first boss 12 is formed in the second circuit board 3, so that the second circuit board 3 can penetrate through the first boss 12 and is fixedly connected to the second boss 13. In this embodiment, a threaded hole is formed in the upper surface of the second boss 13, and the second circuit board 3 is fixed to the second boss 13 by a screw.

Preferably, the second bosses 13 are multiple and have the same height, so as to increase the mounting stability of the second circuit board 3, and preferably two bosses are provided at the diagonal positions of the cavity 11. One of the two second bosses 13 is provided with a semicircular second positioning column 131, and the second circuit board 3 is provided with a second positioning notch 31 matched with the second positioning column 131 in shape, so that on one hand, the position of the second circuit board 3 can be positioned; on the other hand, the second circuit board 3 can be effectively prevented from being installed in a misplaced manner.

Preferably, the contour of the first circuit board 2 is the same as the contour of the side wall of the cavity 11 but slightly smaller than the contour of the cavity 11, so that the cavity 11 can position the first circuit board 2 and can limit the displacement of the first circuit board 2.

Further preferably, in order to increase the mounting stability of the first circuit board 2, the number of the first bosses 12 is also multiple and the height is the same, in this embodiment, the number of the first bosses 12 is four, and the first bosses are disposed at four corners of the cavity 11.

Preferably, one of the four first bosses 12 is provided with a first positioning column 121, and the first circuit board 2 is provided with a first positioning notch matched with the first positioning column 121, so that the function of preventing the first circuit board 2 from being mistakenly mounted is realized.

Preferably, as shown in fig. 6, a sealing ring 5 is arranged between the housing 1 and the end cover 4, and sealing between the housing 1 and the end cover 4 is realized. The sealing ring 5 is provided with a through hole, and the supporting column 41 penetrates through the through hole, so that the positioning and installation of the sealing ring 5 are realized. Further preferably, in this embodiment, the number of the support columns 41 is multiple, one of the support columns 41 has a square cross section, and the other support columns 41 have a circular cross section, so as to effectively prevent the sealing ring 5 from being installed in a staggered manner.

Further specifically, this camera still includes lens subassembly 6, and one side that cavity 11 was kept away from to casing 1 is provided with adapter sleeve 14, is provided with backstop boss 61 and the grafting portion that matches with the adapter sleeve 14 internal diameter shape on the lens subassembly 6, and the grafting portion is located the one end that lens subassembly 6 is close to casing 1, and when lens subassembly 6 installed in casing 1, the grafting portion was located to adapter sleeve 14 cover, and backstop boss 61 butt in the front end of adapter sleeve 14 increases the steadiness of lens subassembly 6 installation. The lens assembly 6 is mounted on the housing 1 after being focused by special equipment and is electrically connected with a circuit board in the camera. Preferably, an adhesive is arranged between the stop boss 61 and the connecting sleeve 14, so that on one hand, the lens assembly 6 is fixed on the housing 1; on the other hand, sealing between the lens assembly 6 and the housing 1 is achieved.

Further, as shown in fig. 7, the adaptor 7 is mounted at an end of the end cover 4 away from the housing 1, and is used for being connected with an external wiring harness to connect with a controller, so as to realize signal transmission between the camera and the external controller. The adapter 7 is detachably fixed on the end cover 4 and electrically connected with the circuit board inside the camera.

Compared with the prior art, the installation mode of the first circuit board 2 in the utility model has simple structure, reduces the structure of parts and production procedures, is convenient to install and maintain, and the arrangement mode of the first circuit board 2 and the second circuit board 3 is more beneficial to the miniaturization of the whole camera module; in addition, in the embodiment, the camera has high waterproof sealing performance, and the practicability of the camera is improved.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A camera, comprising:

the shell (1) is provided with a cavity (11), and a first boss (12) is arranged in the cavity (11);

the end cover (4), the end cover (4) is fixedly connected with the opening end of the shell (1), and a support column (41) is arranged on the end cover (4);

the first circuit board (2) is installed in the cavity (11), and two sides of the first circuit board (2) are respectively abutted to the first boss (12) and the supporting column (41).

2. The camera according to claim 1, further comprising a second circuit board (3) disposed in the cavity (11), wherein the second circuit board (3) is located on a side of the first circuit board (2) away from the end cap (4) and is disposed in parallel with the first circuit board (2);

a second boss (13) is further arranged in the cavity (11), the height of the second boss (13) is lower than that of the first boss (12) in the direction perpendicular to the bottom surface of the shell (1), and an avoiding gap for avoiding the first boss (12) is formed in the second circuit board (3);

the upper surface of the second boss (13) is provided with a threaded hole, and the second circuit board (3) is fixed on the second boss (13) through the threaded hole.

3. The camera according to claim 2, wherein the first bosses (12) are arranged at four corners of the chamber (11), and two second bosses (13) are arranged in the chamber (11) and arranged diagonally.

4. The camera head according to claim 3, wherein one of the four first bosses (12) is provided with a first positioning column (121), and the first circuit board (2) is provided with a first positioning notch matched with the first positioning column (121).

5. The camera head according to claim 3, wherein one of the two second bosses (13) is provided with a second positioning column (131), and the second circuit board (3) is provided with a second positioning notch (31) matched with the second positioning column (131).

6. A camera head according to claim 1, characterized in that a sealing ring (5) is arranged between the housing (1) and the end cap (4).

7. The camera according to claim 6, wherein the supporting column (41) is higher than the end cap (4) in a direction perpendicular to the bottom surface of the housing (1), and the sealing ring (5) is provided with a through hole through which the supporting column (41) is inserted.

8. The camera head according to claim 1, further comprising a lens assembly (6), wherein a connecting sleeve (14) is disposed on a side of the housing (1) away from the end cover (4), and the connecting sleeve (14) is sleeved on the lens assembly (6).

9. The camera head according to claim 8, wherein a stop boss (61) is provided on the lens assembly (6), and the connecting sleeve (14) is pressed against the stop boss (61).

10. The camera head according to claim 1, further comprising an adapter (7), wherein the adapter (7) is mounted at an end of the end cap (4) remote from the housing (1), and wherein the adapter (7) is used for connecting with an external wiring harness.