Etching liquid fine line distribution circuit board

Abstract

The utility model relates to the related technical field of circuit boards, in particular to an etching liquid fine line distribution circuit board, which comprises a bottom plate and threaded holes, a mounting mechanism is arranged on the surface of one side of the bottom plate, and a fireproof mechanism is arranged on the surface of one side of the circuit board. According to the etching liquid fine line distribution circuit board, on the aspect of fireproof protection, multiple coatings which are sequentially coated provide strong fireproof guarantee for the circuit board, and the flame-retardant paint coating can prevent flame from spreading and slow down the burning speed; the fireproof silica gel coating forms a barrier and is weather-proof and sealed; the ceramic coating is resistant to high temperature and stable in insulation; the intumescent fire retardant coating expands and insulates heat at high temperature; the nanometer fireproof coating is efficient in flame retardance and simple in construction, in the aspect of installation, the bottom plate is fixed through the threaded holes, the pressing blocks are extruded to achieve fixation of the connecting frame and the fixing blocks, operation is convenient and fast, the installation efficiency is improved, the cost is reduced, fixation is firm, and it is ensured that the circuit board is stable and does not shake or move in the use and transportation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of circuit board especially relates to a fine line distribution circuit board of etching liquid. BACKGROUND

[0002] The type of fine line distribution circuit board of etching liquid (usually refers to high-precision PCB) is mainly applied to the high-frequency signal transmission scene of 5G communication base station or mainstream consumer electronic PCB (such as mobile phone, computer mainboard), and the fine line distribution circuit board of etching liquid is a kind of product with important position in electronic field, which mainly realizes the distribution of fine line by using specific etching liquid to process circuit board substrate, in the production process, first, the designed circuit pattern is transferred to the circuit board substrate by photoetching technology, then the unwanted part is etched and removed by using etching liquid, the etching liquid can accurately control the depth and width of etching, so that extremely fine and complex line can be formed on the circuit board, the fine line distribution of such circuit board can meet the demand of modern electronic equipment on high performance, miniaturization and high integration, it can carry more electronic components and more complex circuit connection in limited space, improve the running speed and functional diversity of electronic equipment, at the same time, the fine line distribution also helps to reduce the loss and interference of signal transmission, improve the quality and stability of electronic signal, the fine line distribution circuit board of etching liquid plus the convenient installation mechanism, on the one hand, greatly improves the installation efficiency, so that the circuit board can be quickly and accurately installed into the equipment, reduces the installation time and labor cost, on the other hand, the convenient installation mechanism ensures the stability and reliability of circuit board installation, reduces the risk of failure caused by improper installation, in actual application, this design facilitates the maintenance and upgrading of equipment, when the circuit board needs to be replaced or repaired, it can be operated more conveniently, therefore, there is a great need for a fine line distribution circuit board of etching liquid.

[0003] But the existing fine line distribution circuit board of etching liquid is more troublesome to install when using, manual alignment is needed to install and fix with the help of external tools, and the fireproof effect is not good when using. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a fine line distribution circuit board of etching liquid to solve the problem of the existing fine line distribution circuit board of etching liquid being more troublesome to install when using, manual alignment being needed to install and fix with the help of external tools, and the fireproof effect being not good when using in the above background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a kind of etching liquid fine line distribution circuit board, including bottom plate and threaded hole, the upper surface of the bottom plate is penetrated and is provided with threaded hole, the upper surface of the bottom plate is provided with connecting frame, the inner side surface of the connecting frame is provided with circuit board, the side surface of the bottom plate is provided with mounting mechanism, the side surface of the circuit board is provided with fireproof mechanism;

[0006] Mounting mechanism includes installation slot, spring, pressing block, fixed block and clamping groove, the outer side surface of the connecting frame is provided with installation slot, the inner side surface of the installation slot is fixedly connected with spring, the end surface of the spring is fixedly connected with pressing block, the upper surface of the bottom plate is provided with fixed block.

[0007] Preferably, the side surface of the fixed block is provided with clamping groove.

[0008] Preferably, the spring is provided with two groups and symmetrically distributed.

[0009] Preferably, the inner side spring of the installation slot is connected with pressing block and constitutes telescopic structure.

[0010] Preferably, the inner wall size of the connecting frame is consistent with the outer wall size of the circuit board.

[0011] Preferably, the fireproof mechanism includes fire-retardant paint coating, fireproof silica gel coating, ceramic coating, intumescent fireproof coating and nano fireproof coating, the side surface of the circuit board is coated with fire-retardant paint coating, the side surface of the circuit board is coated with fireproof silica gel coating, the side surface of the circuit board is coated with ceramic coating, the side surface of the circuit board is coated with intumescent fireproof coating, the side surface of the circuit board is coated with nano fireproof coating.

[0012] Preferably, the amount of fire-retardant paint coating and nano fireproof coating is consistent.

[0013] Compared with the prior art, the etching liquid fine line distribution circuit board has the advantages that: in the aspect of fire protection, the fire-retardant paint coating, the fireproof silica gel coating, the ceramic coating, the intumescent fireproof paint and the nano fireproof coating are sequentially coated to provide strong fire protection for the circuit board, the fire-retardant paint coating can prevent the spread of fire to a certain extent, and the combustion speed is slowed down in case of fire, so that time is gained for fire extinguishing and personnel evacuation, meanwhile, the fire-retardant paint coating has insulation performance, so that the risk of fire caused by circuit failure is reduced; the fireproof silica gel coating has good flexibility and elasticity, forms a fireproof barrier, expands and insulates heat in high temperature, can also buffer mechanical impact, and has good weather resistance and sealing performance, so that moisture and dust are prevented from entering; the ceramic coating has very high high-temperature resistance, provides protection for the circuit board in a high-temperature environment, has good insulation performance and chemical stability; the intumescent fireproof paint expands rapidly to form a foam layer in high temperature, so that the degree of fire damage is reduced, and the intumescent fireproof paint is convenient to construct and has low cost; the nano fireproof coating forms an extremely thin fireproof film by using nanotechnology, has high fire retardation, good heat dissipation and insulation performance, is simple to construct and has little influence on the appearance of the circuit board; in the aspect of installation, after the bottom plate is fixed by the threaded holes, the circuit board is placed into the connecting frame, the pressing block is extruded to make the spring enter the mounting groove, when the connecting frame is placed into the fixed block and the mounting groove and the clamping groove are in position, the spring pushes the pressing block into the clamping groove to complete the fixing, so that the fixing mode is simple and convenient to operate, the installation efficiency is improved, the installation time and labor cost are reduced, meanwhile, the fixing is firm and reliable, so that the circuit board is prevented from shaking or shifting during use and transportation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view appearance structure schematic diagram of the utility model;

[0015] Figure 2 It is an installation mechanism structure schematic diagram of the utility model;

[0016] Figure 3 It is a heat dissipation mechanism structure schematic diagram of the utility model;

[0017] Figure 4 It is an aluminum heat dissipation fin connecting heat conduction pipe structure schematic diagram of the utility model.

[0018] In the drawing: 1, bottom plate; 2, threaded hole; 3, connecting frame; 4, circuit board; 5, installation mechanism; 501, mounting groove; 502, spring; 503, pressing block; 504, fixed block; 505, clamping groove; 6, fireproof mechanism; 601, fire-retardant paint coating; 602, fireproof silica gel coating; 603, ceramic coating; 604, intumescent fireproof paint; 605, nano fireproof coating. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a fine line distribution circuit board of etching solution, including bottom plate 1 and threaded hole 2, threaded hole 2 is set up in the upper surface of bottom plate 1, the upper surface of bottom plate 1 is provided with connecting frame 3, the inner side surface of connecting frame 3 is provided with circuit board 4, the side surface of bottom plate 1 is provided with mounting mechanism 5, the side surface of circuit board 4 is provided with fire prevention mechanism 6;

[0021] Mounting mechanism 5 includes installation groove 501, spring 502, pressing block 503, fixed block 504 and clamping groove 505, the outer side surface of connecting frame 3 is set up with installation groove 501, the inner side surface of installation groove 501 is fixedly connected with spring 502, the end surface of spring 502 is fixedly connected with pressing block 503, the upper surface of bottom plate 1 is installed with fixed block 504, by the setting of installation groove 501, spring 502, pressing block 503, fixed block 504 and clamping groove 505, it is more convenient to install, first, bottom plate 1 is fixed by threaded hole 2, then circuit board 4 is placed into connecting frame 3, then extrude pressing block 503, then pressing block 503 extrude spring 502 into installation groove 501, then when pressing block 503 is completely entered into installation groove 501, then connecting frame 3 is placed into fixed block 504, then when the position of installation groove 501 and clamping groove 505 is consistent, spring 502 pushes pressing block 503 into clamping groove 505, and the fixation of connecting frame 3 and fixed block 504 is completed.

[0022] Further, the side surface of fixed block 504 is set up with clamping groove 505, by the setting of fixed block 504, clamping groove 505 can be set up.

[0023] Further, spring 502 is provided with two groups and is symmetrically distributed, by the setting of two groups of spring 502, it is more stable to press.

[0024] Further, the inner side spring 502 of installation groove 501 is connected with pressing block 503 to constitute telescopic structure, by the setting of installation groove 501, spring 502 can be installed.

[0025] Further, the inner wall size of connecting frame 3 and the outer wall size of circuit board 4 are consistent, by the setting of connecting frame 3, circuit board 4 can be installed.

[0026] Further, the fireproof mechanism 6 includes a fire-retardant paint coating 601, a fireproof silica gel coating 602, a ceramic coating 603, an intumescent fireproof paint 604 and a nano fireproof coating 605, one side surface of the circuit board 4 is coated with the fire-retardant paint coating 601, one side surface of the circuit board 4 is coated with the fireproof silica gel coating 602, one side surface of the circuit board 4 is coated with the ceramic coating 603, one side surface of the circuit board 4 is coated with the intumescent fireproof paint 604, and one side surface of the circuit board 4 is coated with the nano fireproof coating 605. The fire-retardant paint coating 601, the fireproof silica gel coating 602, the ceramic coating 603, the intumescent fireproof paint 604 and the nano fireproof coating 605 are arranged to achieve better fireproof effect. First, the fire-retardant paint coating 601 can prevent the spread of fire to a certain extent. When a fire breaks out, the fire-retardant paint can slow down the burning speed, giving time for fire extinguishing and personnel evacuation. It forms a heat insulation layer through chemical reaction, reduces the heat transfer to the inside of the circuit board, protects electronic components from high temperature damage. At the same time, the fire-retardant paint also has certain insulation performance, preventing short circuit from causing more fire. In daily use, it can also reduce the risk of fire caused by circuit failure. Then, the fireproof silica gel coating 602 has good flexibility and elasticity, which can form a fireproof barrier on the surface of the circuit board 4. When it encounters high temperature or flame, it will expand to form a heat insulation layer to prevent the spread of fire. The fireproof silica gel can also play a buffering role to protect the circuit board 4 from mechanical impact. In addition, it has good weather resistance and sealing performance, which can prevent moisture and dust from entering the circuit board 4. Then, the ceramic coating 603 has extremely high high-temperature resistance and can withstand extremely high temperature without burning. It can effectively protect the circuit board 4 from damage in high-temperature environment and prevent fire. The ceramic coating 603 also has good insulation performance and chemical stability, which can resist the erosion of various chemicals. This coating is hard and durable, which can provide long-term fire protection for the circuit board 4. Then, the intumescent fireproof paint 604 will expand rapidly when it encounters high temperature, forming a thick foam layer to play a role in heat and oxygen insulation, preventing the spread of flame to the inside of the circuit board. This paint can effectively reduce the damage of fire to the circuit board and protect the safety of electronic components. The intumescent fireproof paint 604 also has the advantages of easy construction and low cost. Then, the nano fireproof coating 605 uses nanotechnology to form an extremely thin fireproof film on the surface of the circuit board 4. This film has high efficient fire-retardant performance and can quickly stop the spread of flame. The nano fireproof coating 605 also has good heat dissipation performance and insulation performance, which will not affect the normal work of the circuit board 4. It is simple to construct and has little effect on the appearance of the circuit board 4.

[0027] Further, the amount of the fire-retardant paint coating 601 and the nano fireproof coating 605 is consistent. The fire-retardant paint coating 601 is arranged to achieve better protection effect.

[0028] Working principle: firstly, the fire-retardant paint coating 601 can prevent the spread of fire to some extent, when a fire occurs, the fire-retardant paint can slow down the burning speed, giving time for fire extinguishing and personnel evacuation, it forms a heat insulation layer through chemical reaction, reduces the heat transfer to the inside of the circuit board, protects electronic components from high temperature damage, at the same time, the fire-retardant paint also has certain insulation performance, prevents short circuit from causing greater fire, in daily use, it can also reduce the risk of fire caused by circuit failure, then the fireproof silicone coating 602 has good flexibility and elasticity, can form a fireproof barrier on the surface of the circuit board 4, when encountering high temperature or flame, it will expand to form a heat insulation layer, preventing the spread of fire, the fireproof silicone can also play a buffering role, protecting the circuit board 4 from mechanical impact, in addition, it has good weather resistance and sealing performance, can prevent moisture and dust from entering the circuit board 4, then the ceramic coating 603 has extremely high high-temperature resistance, can withstand extremely high temperature without burning, it can effectively protect the circuit board 4 from damage in high temperature environment, preventing the occurrence of fire, the ceramic coating 603 also has good insulation performance and chemical stability, can resist the erosion of various chemicals, this coating is hard and durable, can provide long-term fire protection for the circuit board 4, then the intumescent fireproof paint 604 will expand rapidly when encountering high temperature, forming a thick foam layer, playing a role of heat insulation and oxygen isolation, preventing the spread of flame to the inside of the circuit board, this paint can effectively reduce the damage degree of fire to the circuit board, protecting the safety of electronic components, the intumescent fireproof paint 604 also has the advantages of convenient construction and low cost, then the nano fireproof coating 605 uses nanotechnology to form an extremely thin fireproof film on the surface of the circuit board 4, this film has high efficient fire-retardant performance, can quickly stop the spread of flame, the nano fireproof coating 605 also has good heat dissipation performance and insulation performance, will not affect the normal work of the circuit board 4, it is simple to construct, has little influence on the appearance of the circuit board 4, fix the bottom plate 1 through the threaded holes 2, then place the circuit board 4 into the connecting frame 3, then extrude the pressing block 503, then the spring 502 enters into the installation groove 501 through the extrusion of the pressing block 503, then when the pressing block 503 completely enters into the installation groove 501, place the connecting frame 3 into the fixed block 504, then when the installation groove 501 and the clamping groove 505 are matched, the spring 502 pushes the pressing block 503 into the clamping groove 505, completing the fixation of the connecting frame 3 and the fixed block 504.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An etching liquid fine line distribution circuit board comprising a base plate (1) and a threaded hole (2), characterized in that: The upper surface of the bottom plate (1) is provided with threaded holes (2), the upper surface of the bottom plate (1) is provided with a connecting frame (3), the inner surface of the connecting frame (3) is provided with a circuit board (4), one side surface of the bottom plate (1) is provided with a mounting mechanism (5), and one side surface of the circuit board (4) is provided with a fireproof mechanism (6). The mounting mechanism (5) comprises a mounting groove (501), a spring (502), a pressing block (503), a fixed block (504) and a clamping groove (505), the outer surface of the connecting frame (3) is provided with the mounting groove (501), the inner surface of the mounting groove (501) is fixedly connected with the spring (502), one end surface of the spring (502) is fixedly connected with the pressing block (503), and the upper surface of the bottom plate (1) is provided with the fixed block (504).

2. The fine line distribution circuit board of claim 1 wherein: One side surface of the fixed block (504) is provided with the clamping groove (505).

3. The fine line distribution circuit board of claim 1 wherein: the etching solution is a solution of 0.5% hydrofluoric acid and 0.5% ammonium fluoride in deionized water. The spring (502) is provided with two groups and is symmetrically distributed.

4. The fine line distribution circuit board of claim 1 wherein: the etching solution is a solution of 0.5% hydrofluoric acid and 0.5% ammonium fluoride in deionized water. The inner spring (502) of the mounting groove (501) is connected with the pressing block (503) to form an extension structure.

5. The fine line distribution circuit board of claim 1 wherein: the etching solution is a solution of 0.5% hydrofluoric acid and 0.5% ammonium fluoride in deionized water. The inner wall size of the connecting frame (3) is consistent with the outer wall size of the circuit board (4).

6. The fine line distribution circuit board of claim 1 wherein: The fireproof mechanism (6) comprises a fire-retardant paint coating (601), a fireproof silica gel coating (602), a ceramic coating (603), an intumescent fire retardant coating (604) and a nano fireproof coating (605), one side surface of the circuit board (4) is coated with the fire-retardant paint coating (601), one side surface of the circuit board (4) is coated with the fireproof silica gel coating (602), one side surface of the circuit board (4) is coated with the ceramic coating (603), one side surface of the circuit board (4) is coated with the intumescent fire retardant coating (604), and one side surface of the circuit board (4) is coated with the nano fireproof coating (605).

7. The etching liquid fine line distributed circuit board of claim 6, wherein: The amount of the fire-retardant paint coating (601) and the nano fireproof coating (605) is consistent.

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