CN210694469U

CN210694469U - Circuit board with dust removal and anti-static functions

Info

Publication number: CN210694469U
Application number: CN201921661489.1U
Authority: CN
Inventors: 黄秋虎; 方桓周
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2020-06-05
Anticipated expiration: 2029-10-07

Abstract

The utility model discloses a circuit board with dust removal antistatic function, including mounting base and circuit board, mounting base bottom position is equipped with the ground connection pin, and ground connection pin one side is located mounting base both ends position and is equipped with the insulation board, insulation board through connection has the bolt, and bolt one side is located mounting base top position and is equipped with bellows, and the inside fan that is equipped with of bellows, bellows side surface is equipped with the air outlet, and goes up the air outlet below and be equipped with down the air outlet, bellows one side is located the mounting base top and is equipped with mounting structure. The utility model discloses in, install the circuit board on mounting structure, utilize bellows to blow the air through last air outlet and lower air outlet to the positive and negative of circuit board, make the circuit board reach dirt-proof purpose, utilize the graphite layer to distribute away the heat that produces effectively when the circuit board moves fast simultaneously to reach the effect of good heat dissipation and dust removal.

Description

Circuit board with dust removal and anti-static functions

Technical Field

The utility model relates to a circuit board technical field especially relates to a circuit board with static function is prevented in dust removal.

Background

The circuit board is named as a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultra-thin circuit board, a printed (copper etching technology) circuit board and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, and a flexible-rigid printed circuit board (FPC) and a Printed Circuit Board (PCB) are born and developed, so that a new product of the flexible-rigid printed circuit board is promoted. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.

The existing circuit board in the market can be stained with a thick layer of dust on the surface when being used for a long time, causes certain influence to the heat dissipation of the circuit itself, and can produce static electricity under the condition that the environment is drier to cause influence to the safety of the circuit board itself, so the circuit board with the dust removal and static electricity prevention functions is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a circuit board with the dust removal and anti-static functions.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a circuit board with dust removal and static electricity prevention functions comprises a mounting base and a circuit board, wherein a grounding pin is arranged at the bottom of the mounting base, insulating plates are arranged at the positions, located at the two ends of the mounting base, of one side of the grounding pin, the insulating plates are connected with bolts in a penetrating mode, an air box is arranged at the position, located at the top of the mounting base, of one side of each bolt, a fan is arranged inside the air box, an upper air outlet is arranged on the surface of one side of each air box, a lower air outlet is arranged below the upper air outlet, a mounting structure is arranged at the top of the mounting base, the circuit board is mounted on the mounting structure, a wiring layer is arranged in the middle of the circuit board, a sealing glue layer is arranged at the surface of the wiring layer, an anti-static layer is arranged at the top of the sealing glue layer, mounting structure bottom position is equipped with the support column, and support column surface position is equipped with down the stopper, stopper top position is equipped with the circuit board down, the circuit board is connected with metal bolt through the mounting hole, metal bolt top position is equipped with the locking cap, and locking cap bottom position is equipped with second contact copper sheet, the locking cap top is equipped with the rubber sleeve.

Preferably, the antistatic layer is provided with two layers, and the antistatic layer is symmetrical about a vertical central line of the circuit board.

Preferably, the mounting holes are arranged in plurality, and the mounting holes are uniformly distributed at the edge of the circuit board in pairwise symmetry.

Preferably, the fixing cap is internally provided with an internal thread meshed with the metal bolt.

Preferably, the number of the bellows is two, and the bellows is symmetrical about a vertical center line of the mounting base.

Preferably, the first contact copper sheet and the second contact copper sheet are of identical metal structures.

In the utility model, firstly, the circuit board is arranged on the mounting structure, the air is blown to the front and back sides of the circuit board by the air box through the upper air outlet and the lower air outlet, the circuit board achieves the dustproof purpose, simultaneously, the heat generated when the circuit board operates can be effectively and quickly distributed by the graphite layer, thereby achieving good heat dissipation and dust removal effects, secondly, the device can be more stably arranged by the insulation boards and the bolts at the two ends of the mounting base, the shaking is avoided, the performance of the circuit board is not influenced, meanwhile, the simple electrostatic protection can be realized by the sealing glue layer and the antistatic layer, the performance of the circuit board is more efficient and safe, finally, as the circuit board can be influenced by high-voltage static under the same conditions, the high-voltage static can instantaneously breakdown components, the circuit board is damaged, and the simple antistatic means can not solve the problem, therefore, the device is provided with the second contact copper sheet inside the mounting structure and the first contact copper sheet at the edge of the circuit board, and the device is grounded through the grounding pin arranged at the bottom of the mounting base, so that the device can protect the circuit board more stably.

Drawings

Fig. 1 is a schematic structural diagram of a circuit board with a dust removal and anti-static function according to the present invention;

fig. 2 is a schematic diagram of the inside of the circuit board with the functions of dust removal and static electricity prevention provided by the present invention;

fig. 3 is a schematic top view of a circuit board with a dust-removing and anti-static function according to the present invention;

fig. 4 is a schematic view of a mounting structure of a circuit board with a dust removal and anti-static function according to the present invention.

Illustration of the drawings:

1-mounting base, 2-mounting structure, 3-grounding pin, 4-bellows, 5-bolt, 6-insulating board, 7-circuit board, 8-upper air outlet, 9-fan, 10-lower air outlet, 11-graphite layer, 12-antistatic layer, 13-wiring layer, 14-sealant layer, 15-mounting hole, 16-first contact copper sheet, 17-rubber sleeve, 18-fixing cap, 19-second contact copper sheet, 20-metal bolt, 21-lower limit block and 22-support column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a circuit board with dust removal and anti-static functions comprises a mounting base 1 and a circuit board 7, wherein a grounding pin 3 is arranged at the bottom of the mounting base 1, an insulating plate 6 is arranged at the two ends of the mounting base 1 at one side of the grounding pin 3, the insulating plate 6 is connected with a bolt 5 in a penetrating manner, an air box 4 is arranged at the top of the mounting base 1 at one side of the bolt 5, a fan 9 is arranged inside the air box 4, an upper air outlet 8 is arranged on the surface of one side of the air box 4, a lower air outlet 10 is arranged below the upper air outlet 8, a mounting structure 2 is arranged at the top of the mounting base 1 at one side of the air box 4, the circuit board 7 is mounted on the mounting structure 2, a wiring layer 13 is arranged at the middle position of the circuit board 7, a sealing glue layer 14 is arranged at the surface position, 7 border position of circuit board is equipped with

mounting hole

15, and 15 border position of mounting hole is equipped with first

contact copper sheet

16, and 2 bottom positions of mounting structure are equipped with support column 22, and support column 22 surface position is equipped with down stopper 21, and lower stopper 21 top position is equipped with circuit board 7, and circuit board 7 is connected with metal bolt 20 through mounting hole 15, and metal bolt 20 top position is equipped with locking cap 18, and locking cap 18 bottom position is equipped with second contact copper sheet 19, and locking cap 18 top is equipped with rubber sleeve 17.

The antistatic layer 12 is provided with two layers, the antistatic layer 12 is symmetrical about the vertical central line of the circuit board 7, the mounting holes 15 are provided with a plurality of mounting holes, the mounting holes 15 are symmetrically and uniformly distributed at the edge of the circuit board 7 in pairs, internal threads meshed with the metal bolts 20 are arranged inside the fixing caps 18, the bellows 4 are provided with two mounting holes, the bellows 4 are symmetrical about the vertical central line of the mounting base 1, the first contact copper sheets 16 and the second contact copper sheets 19 are of completely same metal structures, the circuit board 7 can be in contact with the metal bolts 20, and meanwhile the rubber sleeve 17 is used for sealing.

The working principle is as follows: when the dustproof dust removal device is used, the insulation plates 6 and the bolts 5 at the two ends of the mounting base 1 can ensure that the device is more stably mounted, the phenomenon that the device shakes is avoided, the performance of the circuit board 7 is influenced, meanwhile, simple electrostatic protection can be achieved by the sealing adhesive layer 14 and the antistatic layer 12, the performance of the circuit board 7 is more efficient and safer, the circuit board 7 is mounted on the mounting structure 2, air is blown to the front side and the back side of the circuit board 7 through the upper air outlet 8 and the lower air outlet 10 by the air box 4, the circuit board 7 achieves the dustproof purpose, meanwhile, heat generated when the circuit board 7 runs can be effectively and rapidly dissipated by the graphite layer 11, so that good heat dissipation and dust removal effects are achieved, the circuit board 7 can be influenced by high-voltage static electricity, the high-voltage static electricity can instantaneously breakdown components, the circuit board is damaged, and the problem cannot be solved by, therefore, the device is provided with the second contact copper sheet 19 inside the mounting structure 2 and the first contact copper sheet 16 at the edge position of the circuit board 7, and the device is grounded through the grounding pin 3 arranged at the bottom of the mounting base 1, so that the device can protect the circuit board 7 more stably.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A circuit board with dust removal and anti-static functions comprises a mounting base (1) and a circuit board (7) and is characterized in that a grounding pin (3) is arranged at the bottom of the mounting base (1), insulating plates (6) are arranged at the positions, located at the two ends of the mounting base (1), of one side of the grounding pin (3), the insulating plates (6) are connected with bolts (5) in a penetrating mode, an air box (4) is arranged at the position, located at the top of the mounting base (1), of one side of each bolt (5), a fan (9) is arranged inside the air box (4), an upper air outlet (8) is arranged on the surface of one side of the air box (4), a lower air outlet (10) is arranged below the upper air outlet (8), a mounting structure (2) is arranged at the top of the mounting base (1) of one side of the air box (4), the circuit board (7), a sealing adhesive layer (14) is arranged on the surface of the wiring layer (13), an anti-static layer (12) is arranged on the top of the sealing adhesive layer (14), a graphite layer (11) is arranged on the top of the anti-static layer (12) and positioned on the surface of the circuit board (7), a mounting hole (15) is arranged on the edge of the circuit board (7), a first contact copper sheet (16) is arranged at the edge of the mounting hole (15), a support column (22) is arranged at the bottom of the mounting structure (2), a lower limiting block (21) is arranged on the surface of the supporting column (22), a circuit board (7) is arranged on the top of the lower limiting block (21), the circuit board (7) is connected with a metal bolt (20) through a mounting hole (15), a fixing cap (18) is arranged at the top of the metal bolt (20), and a second contact copper sheet (19) is arranged at the bottom of the fixing cap (18), and a rubber sleeve (17) is arranged above the fixing cap (18).

2. The circuit board with the dust removal and static electricity prevention functions as claimed in claim 1, wherein the static electricity prevention layer (12) is provided with two layers, and the static electricity prevention layer (12) is symmetrical about a vertical center line of the circuit board (7).

3. The circuit board with the functions of dust removal and static electricity prevention as claimed in claim 1, wherein a plurality of mounting holes (15) are provided, and the mounting holes (15) are uniformly distributed at the edge position of the circuit board (7) in pairwise symmetry.

4. The circuit board with dust removal and static electricity prevention functions as claimed in claim 1, wherein the fixing cap (18) is internally provided with an internal thread engaged with the metal bolt (20).

5. The circuit board with the functions of dust removal and static electricity prevention as claimed in claim 1, wherein there are two bellows (4), and the bellows (4) are symmetrical about the vertical center line of the mounting base (1).

6. The circuit board with the dust removal and static electricity prevention functions as claimed in claim 1, wherein the first contact copper sheet (16) and the second contact copper sheet (19) are identical metal structures.