Anti-static circuit board

Abstract

The utility model relates to the technical field of circuit boards, in particular to an anti-static circuit board, which comprises an anti-static isolation frame and a circuit board body, positioning clamping grooves are arranged at four corners of the circuit board body, and the anti-static isolation frame is used as a peripheral protection structure of the circuit board body and is made of anti-static PVC (polyvinyl chloride) materials. A conductive foam layer is arranged on the periphery of the interior of the anti-static isolation frame, and the four corners of the interior of the anti-static isolation frame are each fixedly connected with a threaded cylinder. Through the arrangement of the anti-static isolation frame, the circuit board body can be effectively isolated from the external environment, damage to the circuit board caused by static electricity generated by external contact is prevented, in addition, the conductive foam layer covers the interior of the anti-static isolation frame, an effective shielding layer is formed through the good conductive performance of the conductive foam layer, and the anti-static performance of the circuit board is improved. Therefore, static accumulation and discharge are prevented, the anti-interference performance of the circuit board is greatly improved, and stable operation of the circuit board is ensured.

Description

Technical Field

[0001] This utility model relates to the field of circuit board technology, and in particular to an anti-static circuit board. Background Technology

[0002] As electronic devices continue to evolve towards miniaturization and integration, circuit boards, as the core components of these devices, are crucial to the reliable operation of the entire system. However, during the production and use of circuit boards, electrostatic discharge (ESD) has become one of the key factors leading to their failure. ESD can not only directly damage sensitive components but may also cause potential, hard-to-detect faults, thereby reducing the overall reliability of the product. Therefore, taking effective anti-static measures is an important means to improve the quality of circuit boards and extend their service life.

[0003] Current antistatic technologies on the market mainly include surface coating, which involves coating the circuit board surface with a layer of conductive polymer or other antistatic material to reduce surface resistivity and promote rapid dissipation of charge. Although this method can reduce static electricity accumulation to some extent, it has the problem of poor durability. The coating is prone to losing its protective effect due to wear or aging. In addition, even if surface coating is used, the circuit board may still be affected by static electricity in the external environment, such as the accumulation of static electricity generated when operators or mechanical equipment come into contact with it. Once this static electricity is released onto sensitive electronic components, it will cause irreversible damage. Even under normal use conditions, if the circuit board lacks sufficient protection, it may also be damaged by static electricity due to contact with objects carrying static charges.

[0004] Therefore, there is an urgent need to provide a circuit board that has physical isolation protection and anti-static properties. Utility Model Content

[0005] In order to overcome the shortcomings of existing anti-static technology using surface coating on circuit boards, such as poor durability and susceptibility to static electricity from the external environment, this utility model provides a circuit board with physical isolation protection and anti-static properties.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: an anti-static circuit board, comprising an anti-static isolation frame and a circuit board body. Positioning slots are provided at the four corners of the circuit board body. The anti-static isolation frame, serving as the outer protective structure of the circuit board body, is made of anti-static PVC material. A conductive foam layer is provided around the inside of the anti-static isolation frame. A threaded cylinder is fixed to each of the four corners inside the anti-static isolation frame, and the four threaded cylinders correspond to the four positioning slots of the circuit board body. A threaded locking block is threaded inside each threaded cylinder. Furthermore, a limiting ring is fitted onto each threaded cylinder. U-shaped clamping plates are clamped to both sides of the anti-static isolation frame, and pressure strips are provided at the bottom of the U-shaped clamping plates, with the pressure strips in close contact with the top surface of the circuit board body.

[0007] Optionally, the bottom of the antistatic isolation frame is provided with a ventilation and protective net structure.

[0008] Optionally, both sides of the anti-static isolation frame are fixedly installed with guide tubes by screws, and a fan is installed inside the guide tube.

[0009] Optionally, the antistatic isolation frame is provided with symmetrically distributed heat-conducting plates inside, one end of the heat-conducting plate is fixedly connected to a snap-fit ​​block, and the side of the antistatic isolation frame is provided with snap-fit ​​holes that match the snap-fit ​​block.

[0010] Optionally, a rubber strip is provided on the snap-fit ​​surface of the U-shaped card plate.

[0011] Optionally, a wind guide plate is fixedly connected inside the flow guide tube.

[0012] Optionally, a pull ring is fixedly connected to the snap-fit ​​block.

[0013] Compared with the prior art, the present invention has the following technical effects: 1. By setting the anti-static isolation frame, the circuit board body can be effectively isolated from the external environment, preventing damage to the circuit board caused by static electricity generated by external contact. In addition, a layer of conductive foam is covered inside the anti-static isolation frame. The good conductivity of the conductive foam layer forms an effective shielding layer, thereby preventing static electricity accumulation and discharge, greatly improving the anti-interference performance of the circuit board and ensuring its stable operation.

[0014] 2. Through the combined action of the ventilation and protective mesh structure, fan and heat conduction plate, a highly efficient heat dissipation system is formed. This not only helps to dissipate heat and avoid performance degradation or failure caused by local overheating, but also effectively prevents dust accumulation, keeps the working environment of the circuit board clean, and indirectly reduces the risk of static electricity accumulation caused by dust accumulation. Attached Figure Description

[0015] Figure 1This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional sectional view of the antistatic isolation frame, conductive foam layer, and circuit board body of this utility model.

[0017] Figure 3 This is a three-dimensional sectional view of the threaded cylinder, threaded locking block, and limiting ring of this utility model.

[0018] Figure 4 This is a three-dimensional structural diagram of the U-shaped card plate, pressure strip, and rubber strip of this utility model.

[0019] Figure 5 This is a three-dimensional sectional view of the components of this utility model, such as the air guide tube, fan, and screws.

[0020] Figure 6 This is a partial cross-sectional view of the heat-conducting plate, snap-fit ​​block, and pull ring of this utility model.

[0021] The meanings of the labels in the attached diagram are as follows: 1-Antistatic isolation frame, 2-Conductive foam layer, 3-Circuit board body, 4-Threaded cylinder, 5-Threaded locking block, 6-Limiting ring, 7-U-shaped clamping plate, 8-Pressure strip, 9-Guide tube, 10-Fan, 11-Screw, 12-Heat conduction plate, 13-Snap-fit ​​block, 14-Rubber strip, 15-Air guide plate, 16-Pull ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1: Please refer to Figures 1-4An anti-static circuit board includes an anti-static isolation frame 1 and a circuit board body 3. The circuit board body 3 has positioning slots at its four corners. The anti-static isolation frame 1, as the outer protective structure of the circuit board body 3, is made of anti-static PVC material, protecting the circuit board body 3 while ensuring its anti-static effect. A ventilation and protective mesh structure is provided at the bottom of the anti-static isolation frame 1 to increase airflow and facilitate heat dissipation from the circuit board body 3. A conductive foam layer 2 for shielding electrostatic interference is provided around the inside of the anti-static isolation frame 1. A threaded cylinder 4 is fixed to each of the four corners inside the anti-static isolation frame 1, and the four threaded cylinders 4 correspond to the four positioning slots of the circuit board body 3. The threaded cylinder 4 is internally threaded with a threaded locking block 5. By tightening the threaded locking block 5 into the threaded cylinder 4, pressure is applied to the circuit board body 3, thereby firmly fixing it inside the anti-static isolation frame 1. In addition, a limiting ring 6 is fitted on the threaded cylinder 4 to limit the downward installation position of the circuit board body 3. U-shaped clamping plates 7 are snapped onto both the front and rear sides of the anti-static isolation frame 1. Rubber strips 14 are provided on the snapping surface of the U-shaped clamping plate 7 to increase the friction of the snapping surface and ensure that the U-shaped clamping plate 7 is firmly fixed to the side of the anti-static isolation frame 1. A pressure strip 8 is provided at the bottom of the U-shaped clamping plate 7. The pressure strip 8 is in close contact with the top surface of the circuit board body 3 to enhance the stability of the circuit board fixation and prevent the circuit board from moving inside the anti-static isolation frame 1.

[0024] During the circuit board manufacturing process, an anti-static isolation frame 1 can be installed on the outside of the circuit board body 3. First, the circuit board body 3 is placed into the anti-static isolation frame 1, ensuring that the four positioning slots are aligned with the four threaded cylinders 4. Then, threaded locking blocks 5 are screwed into the four threaded cylinders 4 in sequence, causing the threaded locking blocks 5 to move down and contact the circuit board body 3, fixing it inside the anti-static isolation frame 1. Then, U-shaped clips 7 are inserted into both sides of the anti-static isolation frame 1, so that the pressure strips 8 press down on the circuit board body 3, thereby completing the fixation of the circuit board body 3 and the anti-static isolation frame 1. This design uses the anti-static isolation frame 1 to isolate the circuit board body 3 from the outside world, avoiding damage to the circuit board caused by static electricity generated from external contact. At the same time, the conductive foam layer 2 set inside the anti-static isolation frame 1 forms an effective shielding layer due to the conductivity of the conductive foam layer 2, effectively preventing static electricity accumulation and discharge, improving the anti-interference performance of the circuit board body 3, and ensuring stable operation.

[0025] Example 2: Based on Example 1, please refer to... Figure 5The anti-static isolation frame 1 has a guide tube 9 fixedly installed on both the left and right sides by screws 11. A fan 10 is installed inside the guide tube 9. When the fan 10 is working, it generates directional airflow, which increases the airflow around the circuit board, helps to dissipate heat and reduce dust accumulation. A guide plate 15 is fixedly connected inside the guide tube 9 to adjust the airflow direction generated by the fan 10, so that the airflow is more concentrated and effectively covers the area around the circuit board body 3.

[0026] Please see Figure 6 The antistatic isolation frame 1 is equipped with symmetrically distributed heat-conducting plates 12, which are mainly used to quickly conduct the heat generated by the circuit board to the vicinity of the ventilation and protective net to enhance the heat dissipation efficiency. A snap-fit ​​block 13 is fixed to the left end of the heat-conducting plate 12. The left side of the antistatic isolation frame 1 has a snap-fit ​​hole that matches the snap-fit ​​block 13. The snap-fit ​​block 13 and the snap-fit ​​hole are engaged to realize the detachable installation of the heat-conducting plate 12, which is convenient for disassembly and maintenance. A pull ring 16 is fixed to the snap-fit ​​block 13. The design of the pull ring 16 provides a convenient handhold for the user to operate when installing or removing the heat-conducting plate 12.

[0027] During the operation of the circuit board body 3, the fan 10 is activated. The airflow generated by the fan 10 can increase the airflow around the circuit board. Combined with the design of the heat conduction plate 12, the heat generated by the circuit board body 3 during operation can be quickly conducted to the vicinity of the ventilation and protection net, thereby further optimizing the heat dissipation performance, greatly improving the heat dissipation efficiency of the circuit board, avoiding performance degradation or failure caused by local overheating, and effectively preventing dust from accumulating on the circuit board, keeping the working environment of the circuit board clean, indirectly reducing the risk of static electricity accumulation caused by dust, thereby maintaining its working stability and reliability.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An anti-static circuit board, comprising an anti-static isolation frame (1) and a circuit board body (3), wherein positioning slots are provided at the four corners of the circuit board body (3), characterized in that, The antistatic isolation frame (1) serves as the outer protective structure of the circuit board body (3) and is made of antistatic PVC material. A layer of conductive foam (2) is provided around the inside of the antistatic isolation frame (1). A threaded cylinder (4) is fixed to each of the four corners inside the antistatic isolation frame (1). The four threaded cylinders (4) correspond to the four positioning slots of the circuit board body (3). A threaded locking block (5) is provided in the threaded cylinder (4). In addition, a limiting ring (6) is sleeved on the threaded cylinder (4). U-shaped clamping plates (7) are clamped on both sides of the antistatic isolation frame (1). A pressure strip (8) is provided at the bottom of the U-shaped clamping plate (7). The pressure strip (8) is in close contact with the top surface of the circuit board body (3).

2. The anti-static circuit board as described in claim 1, characterized in that, The bottom of the antistatic isolation frame (1) is equipped with a ventilation and protective net structure.

3. The anti-static circuit board as described in claim 2, characterized in that, The antistatic isolation frame (1) has a flow guide tube (9) fixedly installed on both sides by screws (11), and a fan (10) is installed inside the flow guide tube (9).

4. The anti-static circuit board as described in claim 3, characterized in that, The antistatic isolation frame (1) is provided with symmetrically distributed heat-conducting plates (12) inside. One end of the heat-conducting plate (12) is fixedly connected to a snap-fit ​​block (13). The side of the antistatic isolation frame (1) is provided with a snap-fit ​​hole that matches the snap-fit ​​block (13).

5. An anti-static circuit board as described in claim 4, characterized in that, A rubber strip (14) is provided on the snap-fit ​​surface of the U-shaped card plate (7).

6. The anti-static circuit board as described in claim 5, characterized in that, A wind guide plate (15) is fixedly connected inside the flow guide tube (9).

7. An anti-static circuit board as described in claim 6, characterized in that, A pull ring (16) is fixedly connected to the snap-fit ​​block (13).

Images