PCBA board with anti-static function

Abstract

The utility model provides a PCBA board with an anti-static function, which comprises a board body and a surface layer, the surface of the board body is covered with the surface layer, and the middle part of the board body is provided with an input port. The utility model has the advantages that the middle part of the board body is provided with the input port, a power line is led in from the center of the board to connect the input port, the board is far away from an edge area which is easily and directly influenced by static electricity, and the risk of static electricity interference is reduced. The surface of the frame body adopts a grid-shaped design, and has two advantages: firstly, the integral heat dissipation of the terminals and the frame body is assisted, the heat dissipation surface area is increased, meanwhile, the dispersion and neutralization of charges can be promoted, the anti-static performance of the plate is improved, and the contact area between the surrounding layer and the frame body is increased through the forks, so that the purposes of good heat conduction and electricity conduction are achieved; and the end part of the surrounding layer is connected with the grounding strip to be grounded, and heat and static electricity generated near the terminals and the frame body are well led out, so that the anti-static performance of the plate can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCBA board technical field, especially a PCBA board of anti -static function. BACKGROUND

[0002] PCBA board, namely printed circuit board assembly board, is the important component part indispensable in modern electronic equipment.

[0003] For the PCBA board of many terminals, this board is easy to produce static electricity because of the large number of terminals, and the conventional static electricity discharge means cannot satisfy the anti-static demand of this board, therefore a kind of PCBA board of anti-static function is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical defects at least.

[0005] Therefore, one purpose of the utility model is to propose a kind of PCBA board of anti-static function to solve the problems mentioned in the background art and overcome the deficiencies existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a kind of PCBA board of anti-static function, including board body, surface layer, the surface of the board body is covered with a surface layer;

[0007] The middle part of the board body is provided with an input port, and the edge of the top surface of the board body is provided with a frame body;

[0008] The front part of the frame body is provided with a plurality of terminals, and the terminals are fastened by screws;

[0009] The surface of the frame body is provided with a plurality of surface holes, and the local of the top surface of the surface layer and the three surfaces of the frame body are attached with a surrounding layer;

[0010] The end of the surrounding layer is fixedly connected with a grounding belt, and the surface of the grounding belt is fixedly connected with a plurality of inclined cooling fins;

[0011] The top surface of the board body is fixedly connected with a pressing piece, and the bottom end of the pressing piece abuts against the top surface of the surrounding layer on the surface layer;

[0012] The top of the surrounding layer is fixedly connected with a plurality of bifurcations, and the bifurcations extend to the top surface of the back of the frame body.

[0013] It is preferred that the board body is divided into an epoxy resin base material layer at the lower part and a copper foil conductive layer at the upper part, and the surface layer is specifically a polyester fiber layer.

[0014] Adopting the technical scheme, the PCBA board has a surface layer, a copper foil layer and a substrate from top to bottom, wherein the surface layer is an anti-static shielding layer covering the surface of the circuit board to provide uniform shielding effect.

[0015] The substrate supports and protects the circuit elements and wires, has high hardness, is resistant to impact and can bear large mechanical load to provide solid physical support for the PCBA board.

[0016] The copper foil layer is a thin and continuous metal foil deposited on the substrate layer of the circuit board. As the conductor of the PCB, the copper foil has extremely low resistivity to ensure stable transmission of circuit signals. It constitutes the main conductive path of the circuit, connects various electronic components and realizes the connection and signal transmission of the circuit.

[0017] According to any one of the above schemes, the input port and the frame body are first inserted and connected with the board body through the pins and then the pins are welded to realize the connection with the board body.

[0018] According to the technical scheme, the core features of the PCBA board are as follows: first, the layout and design of the PCBA board are optimized, the input port is installed in the middle of the board body, the power cord is introduced from the center of the board to connect the input port, and the edge area which is easily directly affected by static electricity is far away, thereby reducing the risk of static interference.

[0019] At the same time, the frame body has a plurality of terminals, the surface of the frame body is provided with a plurality of surface holes, the surface area of the frame body is large, and the frame body has two advantages, one is to assist the heat dissipation of the terminals and the frame body as a whole, and the other is to increase the heat dissipation surface area, and at the same time, the dispersion and neutralization of electric charge are promoted, and the anti-static performance of the board is improved.

[0020] The frame body is attached with a surrounding layer on three sides, the local part of the top surface of the surface layer, i.e. the surrounding layer is attached to the periphery of the frame body, the surrounding layer increases the contact area with the frame body through bifurcation to achieve good heat conduction and electrical conduction, and the end of the surrounding layer is connected with a grounding belt to ground, and the heat and static electricity generated near the terminals and the frame body are well conducted, the surrounding layer and the grounding belt not only have the function of heat conduction, but also can well conduct static electricity, thereby providing double protection for the PCBA board, and the heat dissipation fins further increase the heat dissipation surface area, which can effectively improve the anti-static performance of the board.

[0021] According to any one of the above schemes, the surface holes are linearly arranged on the surface of the frame body, and the surface holes are arranged in a honeycomb shape.

[0022] According to any one of the above schemes, the surrounding layer is specifically an aluminum foil layer, and the surrounding layer is bonded to the surface of the frame body and the surface of the surface layer.

[0023] According to any one of the above schemes, the grounding belt is specifically an aluminum foil belt, the pressing piece is made of plastic material, and the pressing piece has elasticity.

[0024] Compared with the prior art, the anti-static PCBA board has the advantages and beneficial effects that:

[0025] The anti-static PCBA board is provided with a frame body, a surface hole, a surrounding layer, a grounding belt, a heat sink, a pressing piece and a bifurcation, which are cooperatively arranged, first, the layout and design of the PCBA board are optimized, the middle part of the board body is provided with an input port, and the power cord is introduced from the center of the board to connect the input port, thereby avoiding the edge area which is easily directly affected by static electricity, and reducing the risk of static interference.

[0026] Meanwhile, the frame body has a plurality of terminals, the surface of the frame body is provided with a plurality of surface holes, the surface area of the frame body is large, and the grid design has two advantages, one is to assist the heat dissipation of the terminals and the frame body as a whole, and increase the heat dissipation surface area, and the other is to promote the dispersion and neutralization of electric charges, and improve the anti-static performance of the board.

[0027] The surrounding layer is attached to three surfaces of the terminal frame body, the local part of the top surface of the surrounding layer is attached to the periphery of the frame body, the surrounding layer increases the contact area with the frame body through bifurcation to achieve good heat conduction and electrical conduction purposes, the end part of the surrounding layer is connected with a grounding belt to ground, and the heat and static electricity generated near the terminals and the frame body are well conducted, the surrounding layer and the grounding belt not only have heat conduction effect, but also can well conduct static electricity, thereby providing double protection for the PCBA board, and the heat sink further increases the heat dissipation surface area, thereby effectively improving the anti-static performance of the board.

[0028] The additional aspects and advantages of the present application will be partially given in the following description, and some will become apparent from the following description, or be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0029] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0030] Figure 1 It is a structural schematic view of the first perspective of the present application;

[0031] Figure 2 It is a structural schematic view of the second perspective of the present application;

[0032] Figure 3 It is a structural schematic view of the third perspective of the present application;

[0033] Figure 4 It is a structural schematic view of the fourth perspective of the present application.

[0034] In the figure: 1-plate body, 2-surface layer, 3-input port, 4-frame body, 5-terminal, 6-surface hole, 7-surrounding layer, 8-ground strap, 9-radiator, 10-pressing piece, 11-fork. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.

[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0037] As shown in the figure, the PCBA board with anti-static function comprises a plate body 1 and a surface layer 2, and the surface of the plate body 1 is covered with a surface layer 2. Figures 1-4

[0038] The middle part of the plate body 1 is provided with an input port 3, and the edge of the top surface of the plate body 1 is provided with a frame body 4.

[0039] The front part of the frame body 4 is provided with a plurality of terminals 5, and the terminals 5 are fastened by screws.

[0040] The surface of the frame body 4 is provided with a plurality of surface holes 6, and the top surface of the surface layer 2, three surfaces of the frame body 4 are attached with a surrounding layer 7.

[0041] The end part of the surrounding layer 7 is fixedly connected with a ground strap 8, and the surface of the ground strap 8 is fixedly connected with a plurality of inclined radiators 9.

[0042] The top surface of the plate body 1 is fixedly connected with a pressing piece 10, and the bottom end of the pressing piece 10 abuts against the top surface of the surrounding layer 7 on the surface layer 2.

[0043] The top part of the surrounding layer 7 is fixedly connected with a plurality of forks 11, and the forks 11 extend to the top surface of the back part of the frame body 4.

[0044] Embodiment 1: The plate body 1 is divided into an epoxy resin base material layer at the lower part and a copper foil conductive layer at the upper part, and the surface layer 2 is specifically a polyester fiber layer. The input port 3 and the frame body 4 are first inserted and connected with the plate body 1 through the pins, and then the pins are welded to realize the connection with the plate body 1. ​

[0045] In the embodiment 2, the surface linear array of the table holes 6 is arranged on the surface of the frame body 4, and the table holes 6 are arranged in a honeycomb shape. The surrounding layer 7 is specifically an aluminum foil layer, and the surrounding layer 7 is bonded to the surface of the frame body 4 and the surface of the table layer 2. The grounding belt 8 is specifically an aluminum foil belt, and the pressing piece 10 is made of plastic and has elasticity. The pressing piece 10 further fixes the surrounding layer 7 by using the elasticity of the pressing piece 10.

[0046] The working principle of the utility model is as follows:

[0047] The PCBA board 1 is sequentially provided with a table layer 2, a copper foil layer and a base material from top to bottom. The table layer 2 is an anti-static shielding layer, which is covered on the surface of the circuit board to provide a uniform shielding effect.

[0048] The base material supports and protects the circuit elements and wires. The base material has high hardness, impact resistance and can bear a large mechanical load to provide a solid physical support for the PCBA board.

[0049] The copper foil layer is a thin and continuous metal foil deposited on the base layer of the circuit board. The copper foil, as a conductor of the PCB, has extremely low resistivity to ensure stable transmission of circuit signals. The copper foil forms the main conductive path of the circuit, connects various electronic components and realizes the connection and signal transmission of the circuit.

[0050] The input port 3 and the frame body 4 are first inserted into the board body 1 through the pins and then the pins are welded to realize the connection with the board body 1. Then, the local top surface of the table layer 2 and three surfaces of the frame body 4 are attached with the surrounding layer 7. The surrounding layer 7 is connected with a grounding belt 8 at the end. The surface of the grounding belt 8 is fixedly connected with a plurality of inclined cooling fins 9, and the end of the grounding belt 8 is grounded.

[0051] Compared with the prior art, the utility model has the following beneficial effects:

[0052] The anti-static PCBA board is provided with the frame body 4, the table hole 6, the surrounding layer 7, the grounding belt 8, the cooling fin 9, the pressing piece 10 and the bifurcation 11. First, the layout and design of the PCBA board are optimized. The middle part of the board body 1 is provided with the input port 3. The power supply line is introduced from the center of the board to connect the input port, which is away from the edge area which is easily directly affected by static electricity, thereby reducing the risk of static interference.

[0053] Meanwhile, the frame body 4 is provided with a plurality of terminals 5. The surface of the frame body 4 is provided with a plurality of table holes 6. The surface area of the frame body 4 is large, and the frame body 4 is designed in a grid shape, which has two advantages. One is to assist the heat dissipation of the terminals 5 and the frame body 4 as a whole, and to increase the heat dissipation surface area. Meanwhile, the dispersion and neutralization of the electric charge are promoted, and the anti-static performance of the board is improved.

[0054] In terminal 5 frame 4 three face paste has surrounding layer 7, surface layer 2 top partial namely frame 4 periphery paste surrounding layer 7, surrounding layer 7 passes through bifurcation 11 increases the contact area with frame 4, to realize good heat conduction, electric purposes, surrounding layer 7 end connects a ground belt 8 to ground, and the heat and static electricity that generates near terminal 4, frame 5 is good to export, surrounding layer 7 and ground belt 8 not only have heat conduction effect, still can good static electricity guide, for PCBA board provides double protection, fin 9 further increases its heat dissipation surface area, above, can effectively improve the anti-static performance of the board.

Claims

1. A PCBA board with an anti-static function, characterized in that, Including plate body (1), surface layer (2), the surface of plate body (1) is covered with a surface layer (2); The middle part of plate body (1) is provided with input port (3), and the edge of plate body (1) is provided with frame body (4); The front part of frame body (4) is provided with a plurality of terminals (5), and the terminals (5) are fastened by screws; The surface of frame body (4) is provided with a plurality of surface holes (6), and the top of surface layer (2) is partially attached to the three surfaces of frame body (4) by surrounding layer (7); The end of surrounding layer (7) is fixedly connected with grounding belt (8), and the surface of grounding belt (8) is fixedly connected with a plurality of inclined radiating fins (9); The top surface of plate body (1) is fixedly connected with pressing piece (10), and the bottom end of pressing piece (10) abuts against the top surface of surrounding layer (7) on surface layer (2); The top of surrounding layer (7) is fixedly connected with a plurality of bifurcations (11), and the bifurcations (11) extend to the top surface of the back of frame body (4).

2. The PCBA board of claim 1, wherein: The plate body (1) is divided into lower epoxy resin base material layer and upper copper foil conductive layer, and the surface layer (2) is specifically polyester fiber layer.

3. A PCBA board with anti-static function as described in claim 2, characterized in that: The input port (3) and frame body (4) are first inserted into the plate body (1) through the pins and then the pins are welded to realize the connection with the plate body (1).

4. The PCBA board of claim 3, wherein: The surface holes (6) are linearly arranged on the surface of frame body (4), and the surface holes (6) are arranged in honeycomb shape.

5. The PCBA board of claim 4, wherein: the first and second conductive layers are formed of a conductive material; and the first and second conductive layers are formed of a material selected from the group consisting of copper, aluminum, and silver. The surrounding layer (7) is specifically aluminum foil layer, and the surrounding layer (7) is adhered to the surface of frame body (4) and the surface of surface layer (2).

6. The PCBA board of claim 5, wherein: The grounding belt (8) is specifically aluminum foil belt, the pressing piece (10) is plastic material, and the pressing piece (10) has elasticity.

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