Automobile camera module

Abstract

The utility model belongs to the technical field of automobile cameras, and discloses an automobile camera module. The automobile camera module comprises a circuit board, a shell assembly, a shielding assembly, a locking piece and a lens. The shell assembly comprises a first anti-static shell and a second anti-static shell; the shielding assembly comprises a first shielding case and a second shielding case, and the circuit board is arranged between the first shielding case and the second shielding case; the lens is fixed on the shell assembly and is in communication connection with the circuit board. And the first anti-static shell and the second anti-static shell are arranged, so that a protection effect is achieved, and damage to the automobile camera caused by static electricity is reduced. The shielding assembly is arranged, so that the influence of electromagnetic pulses on the circuit board can be reduced. During installation, the first anti-static shell, the first shielding case and the circuit board are fixed through the locking piece, then the second shielding case and the second anti-static shell are connected in a clamped mode, and finally the first anti-static shell and the second anti-static shell are mutually fixed, so that disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile cameras, in particular to an automobile camera module. Background Art

[0002] A car camera is an image acquisition device installed on a car to monitor the surrounding environment. It has the advantages of convenient reversing, driving recording, and real-time observation of the environment outside the car.

[0003] The car camera used in the prior art includes a metal housing, a circuit board and a lens. The circuit board is arranged in the metal housing, and the lens is fixed on the metal housing and electrically connected to the circuit board. By setting the metal housing, the external electromagnetic pulse is prevented from generating electromagnetic interference to the circuit board. However, the metal housing can easily conduct static electricity into the metal housing and break through the circuit board, making the car camera unable to work. Therefore, it is urgent to design a car camera module to reduce the damage caused by static electricity to the car camera. Utility Model Content

[0004] The utility model aims to provide a car camera module, which prevents electromagnetic pulses from generating electromagnetic interference on a circuit board, reduces damage to the car camera caused by static electricity, and facilitates disassembly and assembly.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A car camera module, comprising:

[0007] Circuit boards;

[0008] The housing assembly comprises a first antistatic housing and a second antistatic housing, wherein a receiving cavity is formed between the first antistatic housing and the second antistatic housing;

[0009] A shielding assembly, comprising a first shielding cover and a second shielding cover, wherein the first shielding cover and the second shielding cover are both arranged in the accommodating cavity, and the circuit board is arranged between the first shielding cover and the second shielding cover;

[0010] A locking member, wherein the locking member fixes the first antistatic housing, the first shielding cover and the circuit board; the second shielding cover is disposed outside the circuit board and the first shielding cover, and is engaged with the second antistatic housing; the first antistatic housing and the second antistatic housing can be fixed to each other;

[0011] A lens is fixed to the housing assembly and is communicatively connected to the circuit board.

[0012] Preferably, a positioning protrusion is provided on one side of the first anti-static shell close to the first shielding cover, the positioning protrusion is provided with an internal threaded hole, the first shielding cover is correspondingly provided with a first connecting hole, the circuit board is correspondingly provided with a second connecting hole, the first connecting hole and the second connecting hole are both plugged into the positioning protrusion, the locking piece is threadedly connected to the internal threaded hole, and is tightly pressed against the circuit board.

[0013] Preferably, at least one first positioning portion is circumferentially provided on one side of the first antistatic housing close to the first shielding cover, and at least one step groove is correspondingly provided on the second antistatic housing, and the first positioning portion is engaged with the step groove.

[0014] Preferably, the end surface of the first positioning portion is welded to the groove surface of the step groove.

[0015] Preferably, a positioning groove is provided on a side of the first antistatic housing close to the first shielding cover, and a second positioning portion is correspondingly provided on an inner wall of the second antistatic housing, and the second positioning portion is engaged with the positioning groove.

[0016] Preferably, the automobile camera module further comprises a decorative piece, wherein the decorative piece is sleeved outside the lens and is detachably connected to the first antistatic housing.

[0017] Preferably, at least one clamping portion is provided at intervals between the decorative members, and at least one clamping groove is correspondingly provided at the first antistatic housing, and the clamping portion is clamped with the clamping groove.

[0018] Preferably, the lens is bonded to the housing assembly.

[0019] Preferably, the first antistatic housing and the second antistatic housing are both made of plastic material; and / or,

[0020] The first shielding cover and the second shielding cover are both made of metal material.

[0021] Preferably, the circuit board includes a circuit board body and a connector, the connector is fixed to the circuit board body, and the connector is communicatively connected to the circuit board body; the second antistatic shell includes a shell body and two sockets, the shell body and the first antistatic shell can be fixed to each other, and the two sockets are communicatively connected; one of the sockets is arranged on the inner side of the shell body, passes through the second shielding cover and is communicatively connected to the connector, and the other socket is arranged on the outer side of the shell body.

[0022] Beneficial effects of the utility model:

[0023] The automobile camera module provided by the utility model includes a circuit board, a shell assembly, a shielding assembly, a locking piece and a lens. A first antistatic shell and a second antistatic shell are provided to play a protective role and reduce the damage to the automobile camera caused by static electricity. A shielding assembly is provided to have a strong anti-electromagnetic pulse interference capability and can reduce the impact of electromagnetic pulses on the circuit board. During installation, the first antistatic shell, the first shielding cover and the circuit board are fixed by the locking piece, and then the second shielding cover is clamped with the second antistatic shell, and finally the first antistatic shell and the second antistatic shell are fixed to each other for easy disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an exploded view of the automotive camera module provided by the utility model;

[0025] Figure 2 It is a structural schematic diagram of the automobile camera module provided by the utility model;

[0026] Figure 3 is a cross-sectional view of the automotive camera module provided by the utility model;

[0027] Figure 4 It is a structural schematic diagram of the first antistatic housing involved in the utility model;

[0028] Figure 5 It is a partial structural schematic diagram of the automobile camera module provided by the utility model.

[0029] In the figure:

[0030] 1. Circuit board; 11. Second connecting hole; 12. Circuit board body; 13. Connector;

[0031] 2. Shell assembly; 21. First antistatic shell; 211. Positioning protrusion; 212. First positioning portion; 213. Positioning groove; 214. Mounting portion; 2141. Groove; 215. Connecting portion; 216. Clamping groove; 22. Second antistatic shell; 221. Step groove; 222. Welding weld; 223. Second positioning portion; 224. Shell body; 225. Socket;

[0032] 31. first shielding cover; 311. first connecting hole; 32. second shielding cover;

[0033] 4. Locking parts;

[0034] 5. Lens; 51. Adhesive parts;

[0035] 6. Decorative parts. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0037] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0039] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0040] like Figures 1 to 5As shown, the utility model provides a car camera module, including a circuit board 1, a housing assembly 2, a shielding assembly, a locking member 4 and a lens 5; the housing assembly 2 includes a first antistatic housing 21 and a second antistatic housing 22, and a receiving cavity is formed between the first antistatic housing 21 and the second antistatic housing 22; the shielding assembly includes a first shielding cover 31 and a second shielding cover 32, and the first shielding cover 31 and the second shielding cover 32 are both arranged in the receiving cavity, and the circuit board 1 is arranged between the first shielding cover 31 and the second shielding cover 32; the locking member 4 fixes the first antistatic housing 21, the first shielding cover 31 and the circuit board 1; the second shielding cover 32 is arranged outside the circuit board 1 and the first shielding cover 31, and is clamped with the second antistatic housing 22; the first antistatic housing 21 and the second antistatic housing 22 can be fixed to each other; the lens 5 is fixed to the housing assembly 2, and is connected to the circuit board 1 in communication. The first antistatic housing 21 and the second antistatic housing 22 are provided to protect and reduce the damage to the car camera caused by static electricity. The shielding assembly is provided, and the anti-electromagnetic pulse interference ability is strong, which can reduce the influence of electromagnetic pulses on the circuit board 1. The shell component 2 and the shielding component are combined to improve the overall performance of the car camera module, and compared with the all-metal shell in the prior art, the cost of the car camera module is lower and can better meet the market demand. During installation, the first anti-static shell 21, the first shielding cover 31 and the circuit board 1 are fixed by the locking member 4, and then the second shielding cover 32 is clamped with the second anti-static shell 22, and finally the first anti-static shell 21 and the second anti-static shell 22 are fixed to each other for easy disassembly and assembly.

[0041] Optionally, the first antistatic housing 21 and the second antistatic housing 22 are made of plastic material. In the present embodiment, the plastic material is PBT (polybutylene terephthalate), which has good antistatic performance. Optionally, the first shielding cover 31 and the second shielding cover 32 are made of metal material. In the present embodiment, the metal material is stainless steel.

[0042] Optionally, in the present embodiment, the lens 5 is bonded to the housing assembly 2. With such an arrangement, the lens 5 is more securely fixed. Specifically, the first antistatic housing 21 is provided with a through hole, one end of the lens 5 extends into the first antistatic housing 21 through the through hole, and the lens 5 is bonded to the outer surface of the first antistatic housing 21 at the entrance of the through hole. Extending one end of the lens 5 into the first antistatic housing 21 through the through hole makes the structure compact and saves space. As shown in the figure, the lens 5 is bonded to the outer surface of the first antistatic housing 21 by an adhesive 51, and the adhesive 51 is made by solidifying AA glue.

[0043] Optionally, in this embodiment, part of the outer wall of the second shielding cover 32 is in contact with and follows the inner wall of the second antistatic housing 22. This arrangement makes the structure compact and saves space. In order to achieve a better shielding effect and make the installation of the second shielding cover 32 more secure, optionally, when the first antistatic housing 21 and the second antistatic housing 22 are fixed to each other, the end surface of the opening end of the second shielding cover 32 can be tightly pressed against the first antistatic housing 21.

[0044] Optionally, in the present embodiment, a positioning protrusion 211 is provided on one side of the first antistatic housing 21 close to the first shielding cover 31, the positioning protrusion 211 is provided with an internal threaded hole, the first shielding cover 31 is correspondingly provided with a first connecting hole 311, the circuit board 1 is correspondingly provided with a second connecting hole 11, the first connecting hole 311 and the second connecting hole 11 are both plugged with the positioning protrusion 211, and the locking member 4 is threadedly connected with the internal threaded hole and is tightly pressed against the circuit board 1. By providing the positioning protrusion 211 on one side of the first antistatic housing 21 close to the first shielding cover 31, a positioning function is played when the first shielding cover 31 and the circuit board 1 are installed. The locking member 4 is threadedly connected with the internal threaded hole, and the fixing effect is good. In the present embodiment, the locking member 4 is a screw. In addition, two positioning protrusions 211 are provided, and the two positioning protrusions 211 are arranged diagonally.

[0045] In other embodiments, the locking member 4 is a bolt, which passes through the first antistatic housing 21, the first shielding cover 31 and the circuit board 1 in sequence and is threadedly connected to the nut. Alternatively, the locking member 4 is a clamping column, which passes through the first antistatic housing 21, the first shielding cover 31 and the circuit board 1 in sequence and is buckled with the buckle.

[0046] Alternatively, if Figure 4 As shown, at least one first positioning portion 212 is circumferentially provided on one side of the first antistatic housing 21 close to the first shielding cover 31, and at least one step groove 221 is correspondingly provided on the second antistatic housing 22, and the first positioning portion 212 is engaged with the step groove 221. Such an arrangement ensures that the installation position is accurate while achieving mutual fixation of the first antistatic housing 21 and the second antistatic housing 22. Optionally, in this embodiment, a first positioning portion 212 is circumferentially provided on the outer edge of one side of the first antistatic housing 21 close to the first shielding cover 31, the first positioning portion 212 is an annular structure, and the step groove 221 is an annular step groove.

[0047] Furthermore, in this embodiment, the end surface of the first positioning portion 212 is welded to the groove surface of the step groove 221. This arrangement makes the first antistatic housing 21 and the second antistatic housing 22 more securely fixed. Figure 3As shown, a welding seam 222 is left between the end face of the first positioning portion 212 and the groove surface of the step groove 221. The end face of the first positioning portion 212 and the groove surface of the step groove 221 are laser welded through the welding seam 222, so that the first antistatic shell 21 and the second antistatic shell 22 are welded into one.

[0048] Alternatively, if Figure 4 and Figure 5 As shown, a positioning groove 213 is provided on one side of the first antistatic housing 21 close to the first shielding cover 31, and a second positioning portion 223 is correspondingly provided on the inner wall of the second antistatic housing 22, and the second positioning portion 223 is engaged with the positioning groove 213. When the first antistatic housing 21 and the second antistatic housing 22 are fixed, it plays a role of further positioning. Optionally, in this embodiment, a mounting portion 214 is provided on one side of the first antistatic housing 21 close to the first shielding cover 31, and the positioning groove 213 is arranged at the bottom of the mounting portion 214.

[0049] Optionally, in this embodiment, two connecting parts 215 arranged opposite to each other are provided on one side of the first antistatic housing 21 close to the first shielding cover 31, and the two ends of the connecting part 215 are respectively connected to the outer walls of the two positioning protrusions 211, and the mounting part 214 is arranged on the outer wall of one connecting part 215, and part of the first shielding cover 31 is arranged in the mounting cavity formed by the two connecting parts 215 and the two positioning protrusions 211, and is shaped in accordance with the inner wall of the mounting cavity, so that the structure is compact and space-saving. In addition, the second shielding cover 32 is sleeved outside the structure formed by the two connecting parts 215 and the two positioning protrusions 211, and the end face of the opening end of the second shielding cover 32 is tightly pressed against the bottom surface of the groove 2141 of the mounting part 214. The second shielding cover 32 is sleeved outside the structure formed by the two connecting parts 215 and the two positioning protrusions 211, so that the second shielding cover 32 can be easily positioned during installation.

[0050] Optionally, in this embodiment, the automobile camera module further includes a decorative piece 6, which is sleeved outside the lens 5 and detachably connected to the first antistatic housing 21. The decorative piece 6 is provided to decorate and protect the lens 5. The decorative piece 6 is detachably connected to the first antistatic housing 21 for easy disassembly and assembly.

[0051] For easy installation, optionally, at least one clamping portion is provided at intervals on the decorative member 6, and at least one clamping groove 216 is provided correspondingly on the first antistatic housing 21, and the clamping portion is clamped with the clamping groove 216. To prevent the decorative member 6 from falling, specifically, in this embodiment, a plurality of clamping portions are provided at equal intervals in the circumferential direction on the inner wall of the decorative member 6, and a plurality of clamping grooves 216 are provided one by one on the outer wall of the first antistatic housing 21. Optionally, in other embodiments, an internal thread is provided on the inner wall of the decorative member 6, and an external thread is provided on the outer wall of the first antistatic housing 21, and the internal thread is threadedly connected with the external thread.

[0052] To facilitate power connection, optionally, Figure 3 As shown, in this embodiment, the circuit board 1 includes a circuit board body 12 and a connector 13, the connector 13 is fixed to the circuit board body 12, and the connector 13 is communicatively connected with the circuit board body 12; the second antistatic housing 22 includes a housing body 224 and two sockets 225, the housing body 224 and the first antistatic housing 21 can be fixed to each other, and the two sockets 225 are communicatively connected; one socket 225 is arranged on the inner side of the housing body 224, and passes through the second shielding cover 32 and is communicatively connected with the connector 13, and the other socket 225 is arranged on the outer side of the housing body 224. Optionally, components for data acquisition, video data processing and data transmission are arranged on the circuit board body 12. Optionally, the connector 13 is a circuit board connector, and the circuit board connector includes a floating connector. The floating connector has strong applicability and high reliability.

[0053] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A car camera module, characterized in that: include; Circuit board (1); A housing assembly (2) comprising a first antistatic housing (21) and a second antistatic housing (22), wherein a receiving cavity is formed between the first antistatic housing (21) and the second antistatic housing (22); A shielding assembly, comprising a first shielding cover (31) and a second shielding cover (32), wherein the first shielding cover (31) and the second shielding cover (32) are both arranged in the accommodating cavity, and the circuit board (1) is arranged between the first shielding cover (31) and the second shielding cover (32); A locking member (4), wherein the locking member (4) fixes the first antistatic housing (21), the first shielding cover (31) and the circuit board (1); the second shielding cover (32) is disposed outside the circuit board (1) and the first shielding cover (31), and is snap-connected with the second antistatic housing (22); the first antistatic housing (21) and the second antistatic housing (22) can be fixed to each other; A lens (5), the lens (5) is fixed to the housing assembly (2) and is communicatively connected to the circuit board (1).

2. The automotive camera module according to claim 1, characterized in that: A positioning protrusion (211) is provided on one side of the first antistatic shell (21) close to the first shielding cover (31), and the positioning protrusion (211) is provided with an internal threaded hole. The first shielding cover (31) is correspondingly provided with a first connecting hole (311), and the circuit board (1) is correspondingly provided with a second connecting hole (11). The first connecting hole (311) and the second connecting hole (11) are both plugged into the positioning protrusion (211), and the locking piece (4) is threadedly connected to the internal threaded hole and is tightly pressed against the circuit board (1).

3. The automotive camera module according to claim 1, characterized in that: At least one first positioning portion (212) is circumferentially provided on one side of the first antistatic housing (21) close to the first shielding cover (31), and the second antistatic housing (22) is correspondingly provided with at least one step groove (221), and the first positioning portion (212) is snap-fitted with the step groove (221).

4. The automotive camera module according to claim 3, characterized in that: The end surface of the first positioning portion (212) is welded to the groove surface of the step groove (221).

5. The automotive camera module according to claim 1, characterized in that: A positioning groove (213) is provided on one side of the first antistatic shell (21) close to the first shielding cover (31), and a second positioning portion (223) is correspondingly provided on the inner wall of the second antistatic shell (22), and the second positioning portion (223) is snap-fitted with the positioning groove (213).

6. The automotive camera module according to claim 1, characterized in that: The automobile camera module further comprises a decorative piece (6), wherein the decorative piece (6) is sleeved outside the lens (5) and is detachably connected to the first antistatic housing (21).

7. The automotive camera module according to claim 6, characterized in that: The decorative element (6) is provided with at least one clamping portion at intervals, and the first antistatic housing (21) is correspondingly provided with at least one clamping groove (216), and the clamping portion is clamped with the clamping groove (216).

8. The automotive camera module according to any one of claims 1 to 7, characterized in that: The lens (5) is bonded to the housing assembly (2).

9. The automotive camera module according to any one of claims 1 to 7, characterized in that: The first antistatic housing (21) and the second antistatic housing (22) are both made of plastic material; and / or, The first shielding cover (31) and the second shielding cover (32) are both made of metal material.

10. The automotive camera module according to any one of claims 1 to 7, characterized in that: The circuit board (1) comprises a circuit board body (12) and a connector (13), wherein the connector (13) is fixed to the circuit board body (12), and the connector (13) is communicatively connected to the circuit board body (12); the second antistatic housing (22) comprises a housing body (224) and two sockets (225), wherein the housing body (224) and the first antistatic housing (21) can be fixed to each other, and the two sockets (225) are communicatively connected to each other; one of the sockets (225) is arranged on the inner side of the housing body (224), passes through the second shielding cover (32) and is communicatively connected to the connector (13), and the other socket (225) is arranged on the outer side of the housing body (224).

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