Video driving circuit board with electrostatic protection

Abstract

The utility model belongs to the technical field of circuit boards, and particularly relates to a video driving circuit board with electrostatic protection, which comprises a mounting plate, a mounting groove is formed in the middle of the top of the mounting plate, and an electrostatic guide plate matched with the mounting groove in size is mounted in the mounting groove in a clamping manner. And a circuit board main body is clamped and mounted on the inner side of the mounting groove and at the top of the electrostatic guide plate. According to the video driving circuit board with the electrostatic protection function, the electrostatic guide plate is mounted in the mounting groove, and then the circuit board main body is mounted in the mounting groove, so that the bottom of the circuit board main body is tightly attached to the conductive foam at the top of the electrostatic guide plate, and after the circuit board main body generates static electricity, the static electricity is guided into the electrostatic guide plate by the conductive foam; and the grounding wire is connected with an external circuit and is grounded, so that the effect of quickly guiding and eliminating the static electricity generated by the circuit board main body can be realized, and the circuit board is simple in structure and easy to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board technical field, concretely is a video drive circuit board with static electricity protection. BACKGROUND

[0002] Static electricity is a very common natural phenomenon, there are many triggering static electricity reaction phenomenon in life, its to human body itself danger is not big, but to high precision precision instrument or circuit board equipment influence is very big, static electricity if accumulation on the circuit board, easy to cause equipment operation unstable, serious can lead to circuit board short circuit even burn, the video drive circuit board commonly used at home is one of the parts that are easy to produce static electricity, therefore, when installing or using the video circuit board, static electricity protection preparation should be done in advance.

[0003] The patent with the authorized announcement number CN214113582U discloses a circuit board with static electricity protection function, which comprises a bottom plate, a second threaded rod is arranged in the middle of the inner side of the bottom plate in a longitudinal direction, the utility model has reasonable structure, which can reduce the damage of static electricity and electric arc to the circuit board and electrical components during use, increase the service life, and facilitate heat dissipation, replacement and maintenance, so that the circuit board with static electricity protection function has better use effect and high practicality. Although the above-mentioned patent can realize static electricity protection of the circuit board, it has a large thickness and a complex structure, and it is difficult to repair if it is damaged. Moreover, the above-mentioned patent has poor effect when applied to the video drive circuit because the video equipment requires fine and thin workmanship. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a video drive circuit board with static electricity protection, which solves the existing problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a video drive circuit board with static electricity protection, which comprises a mounting plate, an installation groove is formed in the middle of the top of the mounting plate, a static electricity guide plate with the same size is clamped and mounted in the installation groove, a circuit board main body is clamped and mounted on the inner side of the installation groove and at the top of the static electricity guide plate, conductive foam is installed on the top of the static electricity guide plate and adheres to the bottom of the circuit board main body, a through hole is formed in the bottom of the inner side of the installation groove, one end of a grounding wire is fixedly installed on the bottom of the static electricity guide plate, and the other end of the grounding wire extends to the lower side of the mounting plate through the through hole.

[0006] As a preferred technical scheme of the utility model, the conductive foam is in a strip shape, and a plurality of conductive foams are distributed on the top of the static electricity guide plate at equal intervals.

[0007] As a preferred technical scheme of the utility model, the top of the mounting plate and at the edge of the mounting groove is provided with a limiting groove, the limiting groove is multiple and is distributed around the circuit board body, the inner side of the limiting groove is slidably provided with a limiting block, the top of the installed circuit board body is attached to the bottom of the limiting block.

[0008] As a preferred technical scheme of the utility model, the side of the limiting block away from the circuit board body is fixedly provided with one end of a compression spring, the other end of the compression spring is fixedly installed on the inner side of the limiting groove, the limiting block can be completely located in the limiting groove, the side of the limiting block close to the circuit board body extends above the mounting groove, the top of the side of the limiting block close to the circuit board body is designed to be inclined.

[0009] As a preferred technical scheme of the utility model, the side of the limiting block away from the circuit board body is provided with a plug-in groove, one end of a plug-in rod is fixedly installed on the inner side of the limiting groove, the other end of the plug-in rod is slidably plugged in the plug-in groove.

[0010] As a preferred technical scheme of the utility model, the compression spring is sleeved and installed on the outer side of the plug-in rod, the plug-in rod is multiple and is symmetrically distributed on the side of the limiting block, the top of the limiting block is fixedly installed with a lever.

[0011] Compared with the prior art, the utility model provides a video drive circuit board with electrostatic protection has the following beneficial effects:

[0012] 1、This video drive circuit board with electrostatic protection, through install the electrostatic guide board to the mounting groove, install the circuit board body to the mounting groove again, make the bottom of the circuit board body and the electrostatic guide board top conductive foam close, so after the circuit board body produces static electricity, will be guided to the electrostatic guide board by the conductive foam, then be guided out of the mounting plate by the ground wire, the ground wire is connected with the external circuit and is grounded, so the effect that the static electricity generated by the circuit board body is guided and eliminated quickly can be realized, and the structure is simple, and the maintenance is also simple.

[0013] 2、This video drive circuit board with electrostatic protection, through the bottom of the circuit board body is aligned with the mounting groove, the circuit board body is pressed down, under the action of pressure, the bottom of the circuit board body and the inclined surface of the limiting block contact and push the limiting block into the limiting groove, when the circuit board body is completely clamped into the mounting groove, under the action of the compression spring, the limiting block will move reversely, press the top edge of the circuit board body, the effect of the plug-in rod can make the limiting block not separate from the limiting groove, so that it can only move horizontally, so the quick installation of the circuit board body is completed, and the limiting effect of the limiting block on the circuit board body after installation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the utility model;

[0015] Figure 2 It is the structure distribution schematic view of the utility model installation groove inside structure;

[0016] Figure 3 It is the structure distribution schematic view of the utility model limiting block vicinity structure;

[0017] Figure 4 It is the structure distribution schematic view of the utility model static guide plate vicinity structure.

[0018] In the drawing: 1, mounting plate;11, installation groove;12, limiting groove;13, through hole;2, static guide plate;21, conductive foam;22, ground wire;3, circuit board main body;4, limiting block;41, plug-in slot;42, lever;5, plug-in rod;6, compression spring. Specific implementation

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] Embodiment one

[0021] Please refer to Figures 1-4 In the embodiment, a video drive circuit board with static protection includes a mounting plate 1, an installation groove 11 is formed in the middle top of the mounting plate 1, a static guide plate 2 with the same size is connected and installed in the installation groove 11, a circuit board main body 3 is connected and installed on the inner side of the installation groove 11 and at the top of the static guide plate 2, a conductive foam 21 is installed on the top of the static guide plate 2 and adheres to the bottom of the circuit board main body 3, a through hole 13 is formed in the inner bottom of the installation groove 11, one end of a ground wire 22 is fixedly installed on the bottom of the static guide plate 2, the other end of the ground wire 22 extends to the lower side of the mounting plate 1 through the through hole 13. In use, the static guide plate 2 is first installed in the installation groove 11, and then the circuit board main body 3 is installed in the installation groove 11, so that the bottom of the circuit board main body 3 is tightly attached to the conductive foam 21 on the top of the static guide plate 2. In this way, when static electricity is generated on the circuit board main body 3, it will be guided into the static guide plate 2 by the conductive foam 21, and then guided out of the mounting plate 1 by the ground wire 22. The ground wire 22 is connected with an external circuit and grounded. In this way, the static electricity generated by the circuit board main body 3 can be quickly guided and eliminated, and the structure is simple, easy to maintain, and does not affect the design of the thin and light video drive device.

[0022] As a preferred implementation, the conductive foam 21 is in a strip shape, and multiple conductive foams 21 are equidistantly distributed on the top of the static guide plate 2, which can guide the generated static electricity to multiple positions while ensuring the stability of the installed circuit board body 3.

[0023] As a preferred implementation, a limiting groove 12 is arranged on the top of the mounting plate 1 and at the edge of the mounting groove 11, multiple limiting grooves 12 are distributed around the circuit board body 3, a limiting block 4 is slidably installed on the inner side of the limiting groove 12, the top of the installed circuit board body 3 is attached to the bottom of the limiting block 4, the limiting block 4 can be slid to the top of the circuit board body 3, the circuit board body 3 is limited and fixed in the limiting groove 12, and the stability of the installed circuit board body 3 is improved.

[0024] Example two

[0025] Please refer to Figures 1-4 In the embodiment, one end of the compression spring 6 is fixedly installed on the side of the limiting block 4 away from the circuit board body 3, and the other end of the compression spring 6 is fixedly installed on the inner side of the limiting groove 12. The limiting block 4 can be completely located in the limiting groove 12, the side of the limiting block 4 close to the circuit board body 3 extends above the mounting groove 11, the top of the side of the limiting block 4 close to the circuit board body 3 is designed to be inclined, when installing the circuit board body 3, only the bottom of the circuit board body 3 is aligned with the mounting groove 11, and the circuit board body 3 is pressed downward, under the action of the pressure, the bottom of the circuit board body 3 contacts the inclined surface of the limiting block 4 and pushes the limiting block 4 into the limiting groove 12, when the circuit board body 3 is completely clamped into the mounting groove 11, under the action of the compression spring 6, the limiting block 4 moves reversely and presses the top edge of the circuit board body 3, so that the quick installation of the circuit board body 3 is completed.

[0026] As a preferred implementation, the limiting block 4 is provided with a plug-in groove 41 on the side away from the circuit board body 3, one end of a plug-in rod 5 is fixedly installed on the inner side of the limiting groove 12, and the other end of the plug-in rod 5 is slidably plugged into the plug-in groove 41. The plug-in rod 5 can prevent the limiting block 4 from separating from the limiting groove 12, so that the limiting block 4 can only move horizontally, thereby improving the limiting effect of the limiting block 4 on the circuit board body 3 after installation.

[0027] As a preferred implementation, the compression spring 6 is sleeved and installed on the outer side of the plug-in rod 5, multiple plug-in rods 5 are symmetrically distributed on the side of the limiting block 4, a push rod 42 is fixedly installed on the top of the limiting block 4, and the stability of the sliding of the limiting block 4 is improved.

[0028] The working principle and use process of the utility model: the operator installs the static electricity guide board 2 into the installation groove 11, and then installs the circuit board main body 3 into the installation groove 11, so that the bottom of the circuit board main body 3 is tightly attached to the conductive foam 21 on the top of the static electricity guide board 2, so that the static electricity generated by the circuit board main body 3 is guided into the static electricity guide board 2 by the conductive foam 21, and then guided out of the mounting plate 1 by the grounding wire 22, the grounding wire 22 is electrically connected with the outside and grounded, so that the effect of quickly guiding and eliminating the static electricity generated by the circuit board main body 3 can be realized, and the structure is simple, easy to maintain, and does not affect the light and thin design of the video driving device; when installing the circuit board main body 3, only the bottom of the circuit board main body 3 is aligned with the installation groove 11, and the circuit board main body 3 is pressed downward, under the action of the pressure, the bottom of the circuit board main body 3 is in contact with the inclined surface of the limiting block 4 and pushes the limiting block 4 into the limiting groove 12, when the circuit board main body 3 is completely clamped into the installation groove 11, under the action of the compression spring 6, the limiting block 4 will move reversely, and press the top edge of the circuit board main body 3, the action of the plug-in rod 5 can make the limiting block 4 not separate from the limiting groove 12, so that it can only move horizontally, so that the quick installation of the circuit board main body 3 is completed, and the limiting effect of the limiting block 4 on the circuit board main body 3 after installation is improved.

[0029] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A video driver circuit board with electrostatic protection comprising a mounting plate (1), characterized in that: The middle position of the top of the mounting plate (1) is provided with a mounting groove (11), the size of the static guide plate (2) is connected and mounted in the mounting groove (11), the inner side of the mounting groove (11) and the top of the static guide plate (2) are connected and mounted with the circuit board body (3), the top of the static guide plate (2) is provided with conductive foam (21) adhered to the bottom of the circuit board body (3), the inner side of the mounting groove (11) is provided with a through hole (13), one end of the grounding wire (22) is fixedly installed at the bottom of the static guide plate (2), the other end of the grounding wire (22) extends to the lower side of the mounting plate (1) through the through hole (13).

2. A video driver circuit board having electrostatic discharge protection as defined in claim 1, wherein: The conductive foam (21) is in a strip shape, and the conductive foam (21) is distributed on the top of the static guide plate (2) at equal intervals.

3. A video driver circuit board with electrostatic protection according to claim 1, characterized in that: The top of the mounting plate (1) and the edge of the mounting groove (11) are provided with a limiting groove (12), the limiting groove (12) is distributed around the circuit board body (3), the inner side of the limiting groove (12) is slidably installed with a limiting block (4), and the top of the installed circuit board body (3) is adhered to the bottom of the limiting block (4).

4. The video driver circuit board with electrostatic discharge protection of claim 3, wherein: One end of the compression spring (6) is fixedly installed on the side of the limiting block (4) away from the circuit board body (3), the other end of the compression spring (6) is fixedly installed on the inner side of the limiting groove (12), the limiting block (4) can be completely located in the limiting groove (12), the side of the limiting block (4) close to the circuit board body (3) extends to the upper side of the mounting groove (11), and the top of the side of the limiting block (4) close to the circuit board body (3) is designed to be inclined.

5. A video driver circuit board having electrostatic discharge protection as defined in claim 4, wherein: The side of the limiting block (4) away from the circuit board body (3) is provided with a plug-in groove (41), one end of the plug-in rod (5) is fixedly installed on the inner side of the limiting groove (12), and the other end of the plug-in rod (5) is slidably plugged in the plug-in groove (41).

6. A video driver circuit board having electrostatic discharge protection as defined in claim 5, wherein: The compression spring (6) is sleeved and installed on the outer side of the plug-in rod (5), the plug-in rod (5) is provided with a plurality of plug-in rods (5) and is symmetrically distributed on the side of the limiting block (4), and the top of the limiting block (4) is fixedly installed with a lever (42).

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