High-stability anti-interference multilayer PCB (Printed Circuit Board)

Abstract

The utility model discloses a high-stability anti-interference multilayer PCB circuit board, which comprises side plates, a first detachable plate and a second detachable plate, the number of the side plates is two, the opposite sides of the two side plates are provided with a plurality of T-shaped sliding chutes, the T-shaped sliding chutes are internally provided with limiting pieces, and the limiting pieces are connected with the first detachable plate and the second detachable plate. The limiting piece comprises a T-shaped sliding block slidably connected into the T-shaped sliding groove, a concave block is fixedly connected to the side, away from the T-shaped sliding groove, of the T-shaped sliding block, and springs are fixedly connected to the positions, close to the front end and the rear end, of the top of the concave block. According to the utility model, through reasonable structural design and high-quality material selection, the stability and reliability of the circuit board during working are ensured, through the arrangement of the cooling fan and the air inlet, the working temperature of the circuit board is effectively reduced, the working efficiency of the circuit is improved, and the service life of the circuit is prolonged. Through the design of the first detachable plate and the second detachable plate, the circuit board can be subjected to function expansion according to needs, and the flexibility and adaptability of the circuit are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a highly stable and anti-interference multi-layer PCB circuit board. Background Art

[0002] PCB circuit board is also called printed circuit board. The main advantage of using circuit board is that it greatly reduces wiring and assembly errors, improves the level of automation and production labor rate. According to the number of circuit board layers, it can be divided into single-sided board, double-sided board, four-layer board, six-layer board and other multi-layer circuit boards.

[0003] The traditional multi-layer PCB circuit board is complicated to disassemble and assemble. When multiple circuit boards are combined together, it is not convenient to replace a single circuit board, install and maintain it. At the same time, the heat dissipation device cannot be replaced according to the installation conditions. Therefore, we propose a highly stable and anti-interference multi-layer PCB circuit board. Utility Model Content

[0004] The purpose of the utility model is to provide a highly stable and anti-interference multi-layer PCB circuit board to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highly stable and anti-interference multi-layer PCB circuit board, comprising a side panel, a first detachable panel and a second detachable panel, wherein two side panels are provided, and a plurality of T-shaped slots are provided on opposite sides of the two side panels, and a limiting member is provided in the T-shaped slot, wherein the limiting member comprises a T-shaped slider slidably connected in the T-shaped slot, a concave block is fixedly connected to a side of the T-shaped slider away from the T-shaped slot, and a spring is fixedly connected to the front and rear ends of the top of the concave block, and a limiting rod is provided in the middle sleeve of the spring, and a connecting plate is fixedly connected between the two limiting rods arranged in parallel in the front and rear directions;

[0006] Insertion rods are fixedly connected to the front and rear ends of the first detachable plate and the second detachable plate close to the side plate, and insertion holes are provided on the front and rear sides and the bottom of the side plate.

[0007] The top of the insertion rod is plugged and fixed with the insertion hole.

[0008] A heat dissipation fan is fixedly mounted on the top of each of the first detachable plate and the second detachable plate.

[0009] An air inlet is provided in the middle of the bottom of the first detachable plate and the second detachable plate, and a filter is fixedly installed in the air inlet.

[0010] The first detachable plate and the second detachable plate are provided with mounting holes at their respective ends close to the top.

[0011] The bottom end surface of the limit rod is trapezoidal, a circuit board body is clamped between the two concave blocks, round holes are opened at the four corners of the top of the circuit board body, and the bottom end of the limit rod passes through the concave block and extends into the round hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. High stability: Through reasonable structural design and high-quality material selection, the stability and reliability of the circuit board at work are guaranteed.

[0014] 2. High heat dissipation performance: The setting of cooling fan and air inlet effectively reduces the operating temperature of the circuit board and improves the working efficiency and life of the circuit.

[0015] 3. Modular design: The design of the first detachable board and the second detachable board allows the circuit board to expand its functions as needed, improving the flexibility and adaptability of the circuit.

[0016] 4. Easy to install and maintain: The quick connection method of the plug-in rod and the socket simplifies the installation and maintenance process and improves work efficiency.

[0017] 5. Good electromagnetic compatibility: The conductive lines and insulation layers of the circuit board are reasonably designed, which can effectively reduce electromagnetic interference and improve the transmission quality of signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of Embodiment 1 of the present utility model;

[0019] Figure 2 It is a side cross-sectional view of the utility model;

[0020] Figure 3 It is a cross-sectional schematic diagram of the connection between the limiter and the circuit board body of the utility model;

[0021] Figure 4 It is a top view of the first detachable plate and the second detachable plate of the utility model;

[0022] Figure 5 This is a schematic diagram of Example 2 of the utility model.

[0023] In the figure: 1. side panel; 2. first detachable panel; 3. second detachable panel; 4. socket; 5. plug rod; 6. cooling fan; 7. circuit board body; 8. T-shaped slide groove; 9. limiter; 901. T-shaped slider; 902. concave block; 903. limit rod; 904. spring; 905. connecting plate; 10. air inlet; 11. mounting hole; 12. round hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: a highly stable and anti-interference multi-layer PCB circuit board, comprising a side panel 1, a first detachable panel 2 and a second detachable panel 3, two side panels 1 are provided, a plurality of T-shaped slots 8 are provided on opposite sides of the two side panels 1, a limiting member 9 is provided in the T-shaped slot 8, the limiting member 9 comprises a T-shaped slider 901 slidably connected in the T-shaped slot 8, a concave block 902 is fixedly connected to the side of the T-shaped slider 901 away from the T-shaped slot 8, a spring 904 is fixedly connected to the top of the concave block 902 at both ends near the front and rear, a limiting rod 903 is provided in the middle sleeve of the spring 904, and a connecting plate 905 is fixedly connected between the two limiting rods 903 arranged in parallel in the front and rear;

[0026] Insertion rods 5 are fixedly connected to the front and rear ends of the first detachable plate 2 and the second detachable plate 3 close to the side plate 1, and insertion holes 4 are provided on the front and rear sides and the bottom of the side plate 1.

[0027] The top of the insertion rod 5 is plugged and fixed with the insertion hole 4.

[0028] A heat dissipation fan 6 is fixedly mounted on the top of the first detachable plate 2 and the second detachable plate 3 .

[0029] An air inlet 10 is provided in the middle of the bottom of the first detachable plate 2 and the second detachable plate 3 , and a filter is fixedly installed in the air inlet 10 .

[0030] A mounting hole 11 is formed at one end of the first detachable plate 2 and the second detachable plate 3 near the top.

[0031] The bottom end surface of the limiting rod 903 is trapezoidal, and the circuit board body 7 is clamped between the two concave blocks 902. Circular holes 12 are opened at the four corners of the top of the circuit board body 7. The bottom end of the limiting rod 903 passes through the concave blocks 902 and extends into the circular hole 12.

[0032] During installation, the circuit board body 7 is inserted between the two concave blocks 902 from the side, and the limiting rod 903 is lifted by the connecting plate 905. After the circuit board is positioned, the connecting plate 905 is lowered to allow the limiting rod 903 to be inserted into the circular hole 12 to achieve limiting and fixing of the circuit board body 7. Example

[0033] The first detachable plate 2 and the second detachable plate 3 at the bottom are respectively plugged into the side plates 1 at the left and rear sides through the plug rods 5 to realize the installation of the cooling fan 6 at the bottom; Example

[0034] The first detachable plate 2 and the second detachable plate 3 are respectively plugged into the plug holes 4 on the front sides of the two side plates 1 through the plug rods 5 to achieve the installation of the cooling fan 6 on the front side or the rear side of the bottom.

[0035] Side panel 1: As the supporting frame of the entire circuit board structure, it provides stability and structural strength. It is usually made of high-strength, high-insulation engineering plastics or synthetic materials to ensure its stability and durability.

[0036] The first detachable plate 2 and the second detachable plate 3 provide additional functional expansion, such as the installation position of the cooling fan, which can be flexibly installed or removed as needed. They are usually made of engineering plastics or synthetic materials similar to the side plates to ensure good fit with the side plates and overall stability.

[0037] T-shaped slide 8 and stopper 9: The T-shaped slide provides guidance and fixation for the stopper, which is used to position and fix the circuit board body 7 to ensure its stability between the side panels. The T-shaped slide is made of wear-resistant and corrosion-resistant materials, and the stopper is made of materials with a certain elasticity, such as stainless steel or special plastic, to ensure its reliability and durability.

[0038] Insertion rod 5 and insertion hole 4: realize quick connection and removal of first detachable plate 2 and second detachable plate 3 with side plate 1, and facilitate installation and maintenance. Insertion rod and insertion hole are usually made of metal or high-strength plastic to ensure the stability and durability of the connection.

[0039] Cooling fan 6: used to dissipate heat from the circuit board, reduce the working temperature, and improve the stability and reliability of the circuit. The cooling fan is usually composed of a metal shell and plastic blades, and the motor part uses a high-performance DC motor.

[0040] Air inlet 10 and filter: The air inlet allows air to enter the cooling fan, and the filter is used to block dust and debris and protect the circuit board from contamination. The air inlet is usually made of metal or plastic, and the filter uses a fine metal mesh or special synthetic material.

[0041] Mounting hole 11: used to mount other electronic components or fix other components on the circuit board. The mounting hole is usually directly opened on the circuit board body and the material is the same as the circuit board body.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly stable and anti-interference multi-layer PCB circuit board, comprising a side plate (1), a first detachable plate (2) and a second detachable plate (3), characterized in that: Two side plates (1) are provided, and a plurality of T-shaped grooves (8) are provided on opposite sides of the two side plates (1). A limiting member (9) is provided in the T-shaped groove (8), and the limiting member (9) comprises a T-shaped slider (901) slidably connected in the T-shaped groove (8). A concave block (902) is fixedly connected to the side of the T-shaped slider (901) away from the T-shaped groove (8). The top of the concave block (902) is fixedly connected to the front and rear ends. A limiting rod (903) is provided in the middle sleeve of the spring (904), and a connecting plate (905) is fixedly connected between the two limiting rods (903) arranged in parallel in the front and rear directions. Insertion rods (5) are fixedly connected to the front and rear ends of the first detachable plate (2) and the second detachable plate (3) close to the side plate (1), and insertion holes (4) are provided on the front and rear sides and the bottom of the side plate (1).

2. The highly stable and anti-interference multi-layer PCB circuit board according to claim 1, characterized in that: The top of the insertion rod (5) is plugged and fixed to the insertion hole (4).

3. The highly stable and anti-interference multi-layer PCB circuit board according to claim 1, characterized in that: A cooling fan (6) is fixedly mounted on the top of each of the first detachable plate (2) and the second detachable plate (3).

4. The highly stable and anti-interference multi-layer PCB circuit board according to claim 1, characterized in that: An air inlet (10) is provided in the middle of the bottom of each of the first detachable plate (2) and the second detachable plate (3), and a filter is fixedly installed in the air inlet (10).

5. The highly stable and anti-interference multi-layer PCB circuit board according to claim 1, characterized in that: A mounting hole (11) is provided at one end of the first detachable plate (2) and the second detachable plate (3) close to the top.

6. The highly stable and anti-interference multi-layer PCB circuit board according to claim 1, characterized in that: The bottom end surface of the limiting rod (903) is trapezoidal, a circuit board body (7) is clamped between the two concave blocks (902), circular holes (12) are provided at the four corners of the top of the circuit board body (7), and the bottom end of the limiting rod (903) passes through the concave blocks (902) and extends into the circular holes (12).

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