Anti-static camera

Abstract

The utility model discloses an anti-static camera, which comprises a front cover, a rear cover, a PCBA (Printed Circuit Board Assembly) board, PINs, a front shielding case and a rear shielding case. A lens body is fixedly mounted on the front cover; the rear cover and the front cover are fixedly installed into a whole, and the rear cover and the front cover jointly enclose to form an installation cavity. The PCBA board is installed in the installation cavity, and the PCBA board is arranged right opposite to the lens body. The PIN needle is embedded in the rear cover, and one end of the PIN needle is in signal connection with the board body of the PCBA board; the front shielding case is installed between the front cover and the PCBA board and used for separating the front cover from the PCBA board, and the front shielding case is in contact with the lens body; the rear shielding case is installed between the rear cover and the PCBA board and used for separating the rear cover from the PCBA board, one end of the rear shielding case is in contact with one end of the front shielding case, and the other end of the rear shielding case is in contact with the PINs; the front shielding case and the rear shielding case are respectively made of conductive materials. According to the utility model, a better electrostatic protection effect can be achieved, the failure risk of the camera caused by electrostatic discharge is effectively reduced, and the normal use of the camera is ensured.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and more specifically to an anti-static camera. Background Technology

[0002] With the increasing prevalence of intelligent driving systems in China, the reliability of cameras, as key components on the sensing side, is becoming increasingly crucial. Electrostatic discharge (ESD) is a common cause of camera failure. Currently, similar products on the market typically employ a conductive shielding layer connected to the PCBA ground plane, or use insulating plastic as the lens material. However, in practice, we have found that due to the extremely high instantaneous voltage of static electricity, even using insulating plastic as the lens material cannot completely prevent electrostatic breakdown of the lens. Furthermore, when electrostatic breakdown occurs and the static voltage enters the camera's interior, even if it directly connects to the PCBA ground plane along the shielding layer, it can still affect components other than the PCBA through the ground plane, leading to product failure. Therefore, developing a new camera structure that overcomes the aforementioned deficiencies in existing technologies is a direction that those skilled in the art need to research. Utility Model Content

[0003] The purpose of this invention is to provide an anti-static camera that can achieve better electrostatic protection, effectively reduce the risk of camera failure caused by electrostatic discharge, and ensure normal use of the camera.

[0004] This utility model discloses an anti-static camera, which includes:

[0005] Front cover, on which the lens body is fixedly mounted;

[0006] The rear cover is fixedly installed as a whole with the front cover, and the rear cover and the front cover together form an installation cavity;

[0007] PCBA board, wherein the PCBA board is installed in the mounting cavity and one side of the PCBA board is positioned facing the lens body;

[0008] The PIN pin has its body embedded in the back cover, and one end of the PIN pin is connected to the signal on the other side of the PCBA board.

[0009] A front shielding cover is installed between the front cover and the PCBA board to separate the front cover from the PCBA board, and the front shielding cover is in contact with the lens body.

[0010] A rear shield is installed between the rear cover and the PCBA board to separate the rear cover from the PCBA board. One end of the rear shield is in contact with one end of the front shield, and the other end of the rear shield is in contact with the PIN pin.

[0011] The front shield and the rear shield are both made of conductive materials.

[0012] By employing this technical solution, when electrostatic discharge (ESD) causes lens breakdown, the ESD is directed from the lens to the front shield, then to the rear shield, and finally to the ground via a pin. This creates an ESD path between the lens, the front / rear shields, and the pin, perfectly bypassing the PCBA board. This achieves better ESD protection, effectively reducing the risk of camera failure due to ESD and ensuring normal camera operation.

[0013] Preferably, the rear cover is provided with a first slot, the first slot including a first inner protrusion and a first outer protrusion; the front cover is provided with a first insert that matches the first slot;

[0014] One end of the front shield is provided with a first extension section that fits into the inner sidewall of the first insert;

[0015] One end of the rear shield is provided with a first U-shaped spring piece that is inverted and fastened to the first inner convex edge.

[0016] By employing this technical solution, the front cover and the rear cover are connected as a single unit through a first insert inserted into a first slot. During this process, the first extension section enters the first slot along with the first insert and compresses the first U-shaped spring clip. This achieves contact between the front and rear shielding covers. Therefore, this structure facilitates the installation and fixation of the front and rear covers as a single unit.

[0017] Preferably, the front shield includes a second U-shaped spring for contacting the lens body;

[0018] The rear cover is provided with a first ejector pin structure, one end of which is configured to abut against the second U-shaped spring and press the second U-shaped spring into contact with the lens body.

[0019] By adopting this technical solution, a non-rigid connection is maintained between the front shield and the lens, meaning that the front shield only comes into contact with the lens body when the front and rear covers are assembled as a single unit. This makes it easier to adjust the focal length of the lens body and the PCBA board during assembly.

[0020] Preferably, the front cover has a mounting hole at its center, and the lens body is glued to the mounting hole by an adhesive layer.

[0021] Preferably, the front shield and the rear shield are made of stainless steel.

[0022] Compared with the prior art, the present invention has the following technical advantages:

[0023] First, this invention achieves better electrostatic protection, effectively reducing the risk of camera failure caused by electrostatic discharge and ensuring normal camera operation.

[0024] Secondly, this utility model facilitates the installation and fixing of the front cover and the rear cover into one piece.

[0025] Thirdly, this utility model allows for easy adjustment of the focal length between the lens body and the PCBA board during the assembly process.

[0026] Finally, this invention has a simple structure and is easy to prepare and implement. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the external structure of this utility model.

[0028] Figure 2 for Figure 1 A cross-sectional structural diagram of AA.

[0029] Figure 3 This is a top view of the structure of this utility model.

[0030] Figure 4 for Figure 3 A cross-sectional structural diagram of BB.

[0031] Figure 5 for Figure 4 A magnified view of a portion of region D.

[0032] The component names corresponding to the various reference numerals in the diagram are as follows:

[0033] 100, Front cover; 200, Rear cover; 300, PCBA board; 400, PIN pin; 500, Front shielding cover; 600, Rear shielding cover; 700, Adhesive layer; 110, Lens body; 120, First insert; 210, First ejector pin structure; 510, Second U-shaped spring; 520, First extension section; 610, First U-shaped spring; 621, First inner convex edge; 622, First outer convex edge. Detailed Implementation

[0034] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model.

[0035] Example 1, please refer to Figure 1-5 :

[0036] An anti-static camera includes: a front cover 100, a rear cover 200, a PCBA board 300, a PIN pin 400, a front shielding cover 500, and a rear shielding cover 600.

[0037] The front cover 100 has a mounting hole at its center, and a lens body 110 is glued to the mounting hole using an adhesive layer 700. The rear cover 200 is fixedly installed as a single unit with the front cover 100, and the rear cover 200 and the front cover 100 together form a mounting cavity. The PCBA board 300 is installed in the mounting cavity, and the upper side of the PCBA board 300 faces the lens body 110.

[0038] The pin body of the PIN pin 400 is embedded in the back cover 200, and one end of the PIN pin 400 is connected to the lower side of the PCBA board 300 for signal connection (the signal connection between the PIN pin 400 and the PCBA board 300 is omitted in the figure).

[0039] The front shield 500 is installed between the front cover 100 and the PCBA board 300 to separate the front cover 100 from the PCBA board 300, and the front shield 500 is in contact with the lens body 110.

[0040] The rear shield 600 is installed between the rear cover 200 and the PCBA board 300 to separate the rear cover 200 from the PCBA board 300. One end of the rear shield 600 is in contact with one end of the front shield 500, and the other end of the rear shield 600 is in contact with the PIN pin 400.

[0041] Preferably, the rear cover 200 is provided with a first slot, the first slot including a first inner protrusion 621 and a first outer protrusion 622; the front cover 100 is provided with a first insert 120 that matches the first slot;

[0042] One end of the front shield 500 is provided with a first extension section 520 that fits into the inner sidewall of the first insert 120;

[0043] One end of the rear shield 600 is provided with a first U-shaped spring piece 610 that is inverted and fastened to the first inner convex edge 621.

[0044] Preferably, the front shield 500 includes a second U-shaped spring 510 for contacting the lens body 110;

[0045] The rear cover 200 is provided with a first ejector pin structure 210, one end of which is configured to abut against the second U-shaped spring 510 and press the second U-shaped spring 510 into contact with the lens body 110.

[0046] By adopting this technical solution, a non-rigid connection is maintained between the front shield 500 and the lens, meaning that the front shield 500 only comes into contact with the lens body 110 when the front and rear covers 200 are assembled as a single unit. This makes it easier to adjust the focal length of the lens body 110 and the PCBA board 300 during the assembly process.

[0047] In this example, to save on material costs, the front shield 500 and the rear shield 600 are both made of stainless steel. In practice, other conductive materials can also be selected to make the front shield 500 and the rear shield 600.

[0048] In practice, its working process is as follows:

[0049] When electrostatic discharge (ESD) causes lens breakdown, the ESD is conducted from the lens to the front shield 500, from the front shield 500 to the rear shield 600, and from the rear shield 600 to the ground wire via the PIN pin 400. This creates an ESD path between the lens, the front / rear shields 600, and the PIN pin 400, perfectly bypassing the PCBA board 300. This achieves better ESD protection, effectively reducing the risk of camera failure due to ESD and ensuring normal camera operation. During the assembly process: the front cover 100 and the rear cover 200 are connected as a single unit by inserting the first insert 120 into the first slot. During this process, the first extension 520 enters the first slot along with the first insert 120 and presses against the first U-shaped spring 610. This achieves contact between the front shield 500 and the rear cover 200. Therefore, this structure facilitates the installation and fixation of the front cover 100 and the rear cover 200 as a single unit. Simultaneously, during this process, one end of the first ejector pin structure 210 moves to abut against the second U-shaped spring 510, pressing the second U-shaped spring 510 into contact with the lens body 110. This achieves a contact connection between the front shield 500 and the lens body 110. This ensures a non-rigid connection between the front shield 500 and the lens body 110, facilitating adjustment of the focal length between the lens body 110 and the lens body in practice.

[0050] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings. However, this utility model is not limited to the above embodiments. Even if various changes are made to this utility model, if these changes fall within the scope of the claims of this utility model and their equivalents, they shall still fall within the protection scope of this utility model.

Claims

1. An anti-static camera, characterized in that, include: Front cover, on which the lens body is fixedly mounted; The rear cover is fixedly installed as a whole with the front cover, and the rear cover and the front cover together form an installation cavity; PCBA board, wherein the PCBA board is installed in the mounting cavity and one side of the PCBA board is positioned facing the lens body; The PIN pin has its body embedded in the back cover, and one end of the PIN pin is connected to the signal on the other side of the PCBA board. A front shielding cover is installed between the front cover and the PCBA board to separate the front cover from the PCBA board, and the front shielding cover is in contact with the lens body. A rear shield is installed between the rear cover and the PCBA board to separate the rear cover from the PCBA board. One end of the rear shield is in contact with one end of the front shield, and the other end of the rear shield is in contact with the PIN pin. The front shield and the rear shield are both made of conductive materials.

2. The anti-static camera according to claim 1, characterized in that, The rear cover is provided with a first slot, the first slot including a first inner protrusion and a first outer protrusion; the front cover is provided with a first insert that matches the first slot. One end of the front shield is provided with a first extension section that fits into the inner sidewall of the first insert; One end of the rear shield is provided with a first U-shaped spring piece that is inverted and fastened to the first inner convex edge.

3. The anti-static camera according to claim 2, characterized in that, The front shield includes a second U-shaped spring for contacting the lens body; The rear cover is provided with a first ejector pin structure, one end of which is configured to abut against the second U-shaped spring and press the second U-shaped spring into contact with the lens body.

4. The anti-static camera according to claim 3, characterized in that, The front cover has a mounting hole at its center, and the lens body is glued to the mounting hole by an adhesive layer.

5. The anti-static camera according to claim 4, characterized in that, The front shield and the rear shield are both made of stainless steel.

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