CN215187544U

CN215187544U - Corrosion-resistant circuit board

Info

Publication number: CN215187544U
Application number: CN202120462210.8U
Authority: CN
Inventors: 刘闯闯
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-12-14
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a corrosion-resistant circuit board, which comprises a protective cover, wherein the peripheral side edges of the bottom end surface of the protective cover are fixedly connected with connecting plates, a bottom plate is arranged under the protective cover, the bottom plate is fixedly connected with the connecting plate through a plurality of bolts, a circuit board main body is arranged in the protective cover, an anti-corrosion layer is arranged on the upper end surface of the circuit board main body, the upper end surface of the corrosion-resistant layer is provided with an oxidation-resistant layer, the upper end surface of the oxidation-resistant layer is provided with a waterproof layer, the bottom end surface of the circuit board main body is fixedly connected with a high-resistance plate, and the circuit board is characterized in that the bottom end surface of the circuit board main body is fixedly connected with the high-resistance plate through a corrosion-resistant layer, an oxidation-resistant layer, a waterproof layer and the high-resistance plate, the circuit board main body is protected, the corrosion resistance of the circuit board main body can be improved, and meanwhile, the circuit board main body is isolated and protected through the protective cover and the bottom plate, so that the corrosion resistance of the circuit board main body can be further improved.

Description

Corrosion-resistant circuit board

Technical Field

The utility model relates to a circuit board technical field specifically is a corrosion-resistant circuit board.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc.

The circuit board can be called as a printed circuit board or a printed circuit board, and the FPC circuit board is also called as a flexible printed circuit board which is made of polyimide or polyester film as a base material and has high reliability and excellent flexibility. The circuit board has the characteristics of high wiring density, light weight, thin thickness and good bending property) and the birth and development of the FPC and the PCB, and the new product of the rigid-flexible printed circuit board is promoted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant circuit board to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a corrosion-resistant circuit board, includes the safety cover, the equal fixedly connected with connecting plate of side all around of bottom face of safety cover, be provided with the bottom plate under the safety cover, the bottom plate passes through a plurality of bolt fixed connection with the connecting plate, the inside of safety cover is equipped with the circuit board main part, the up end of circuit board main part is equipped with the corrosion resistant layer, the up end on corrosion resistant layer is equipped with the antioxidation layer, the up end of antioxidation layer is provided with the waterproof layer, the bottom face fixedly connected with high resistance board of circuit board main part.

Preferably, the corrosion-resistant layer is a phenolic resin layer, and the high-resistance plate is made of a low-pressure polyethylene material.

Preferably, four groups of guide rods are fixedly connected to the bottom end face of the bottom plate, sliders are fixedly connected to the front side and the rear side of the left end face and the front side and the rear side of the right end face of the circuit board main body, jacks are formed in the upper end faces of the sliders, the guide rods penetrate through the corresponding jacks, springs are spirally sleeved on the outer surfaces of the guide rods, one ends of the springs are fixedly connected with the bottom end face of the slider, and the other ends of the springs are fixedly connected with the upper end face of the bottom plate.

Preferably, a plurality of radiating fins with equal intervals are embedded in the bottom end face of the high-resistance plate, a cooling pipe is wound between every two adjacent radiating fins and is arranged in a snake shape, one end of the cooling pipe is fixedly connected with a water inlet pipe, and the other end of the cooling pipe is fixedly connected with a water outlet pipe.

Preferably, the middle part of the upper end face of the bottom plate and the side wall of the inner top end of the protection cover are fixedly connected with rubber pads.

Preferably, the left side and the right side of the rear end face of the bottom plate and the left side and the right side of the front end face of the bottom plate are fixedly connected with connecting lugs, and threaded holes are formed in the upper end faces of the connecting lugs.

Compared with the prior art, the beneficial effects of the utility model are that: can conveniently carry out fixed mounting with the device through the screw hole on the engaging lug, through corrosion resistant layer, the oxidation resisting layer, waterproof layer and high resistance board, protect the circuit board main part, can improve the corrosion resistance of circuit board main part, keep apart the protection with the circuit board main part through safety cover and bottom plate simultaneously, can further improve the corrosion resistance of circuit board main part, reduce or eliminate the vibrations of circuit board main part through the spring, avoid external vibrations to influence the circuit board main part, thereby effectively improve the life of circuit board main part, the fin is used for the heat dissipation of reinforcing circuit board main part, at circuit board main part during operation, it is inside to pass through the inlet tube entering cooling liquid cooling pipe, thereby can take away the heat of fin surface, can further strengthen the heat dissipation efficiency of circuit board main part.

Drawings

FIG. 1 is a schematic front cross-sectional view of a main structure of a corrosion-resistant circuit board;

FIG. 2 is a schematic top view of a main structure of a corrosion-resistant circuit board;

fig. 3 is a schematic bottom view of a circuit board main structure of a corrosion-resistant circuit board.

In the figure: 1-bottom plate, 2-heat radiating fin, 3-connecting plate, 4-spring, 5-sliding block, 6-guide rod, 7-protective cover, 8-rubber pad, 9-waterproof layer, 10-oxidation resisting layer, 11-corrosion resisting layer, 12-circuit board main body, 13-bolt, 14-high-resistance plate, 15-cooling pipe, 16-connecting lug, 17-threaded hole, 18-jack, 19-water inlet pipe and 20-water outlet pipe.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a corrosion-resistant circuit board, includes safety cover 7, the equal fixedly connected with connecting plate 3 of side all around of bottom face of safety cover 7, be provided with bottom plate 1 under the safety cover 7, bottom plate 1 and connecting plate 3 are through a plurality of bolt 13 fixed connection, the inside of safety cover 7 is equipped with circuit board main part 12, the up end of circuit board main part 12 is equipped with corrosion-resistant layer 11, the up end on corrosion-resistant layer 11 is equipped with oxidation resisting layer 10, oxidation resisting layer 10's up end is provided with waterproof layer 9, circuit board main part 12's bottom face fixedly connected with height resists board 14.

The circuit board main body 12 is protected by the corrosion-resistant layer 11, the oxidation-resistant layer 10, the waterproof layer 9 and the high-resistance plate 14, so that the corrosion resistance of the circuit board main body 12 can be improved, and meanwhile, the circuit board main body 12 is isolated and protected by the protective cover 7 and the bottom plate 1, so that the corrosion resistance of the circuit board main body 12 can be further improved.

The corrosion-resistant layer 11 is a phenolic resin layer which has oil resistance, water resistance, heat resistance and acid and alkali resistance, the high-resistance plate 14 is made of a low-pressure polyethylene material which has excellent heat resistance, cold resistance, wear resistance, dielectricity and chemical stability, is almost insoluble in any organic solvent at room temperature, can resist corrosion of various acid-base and various salt solutions, and has low water absorption and water vapor permeability.

The bottom end face of the bottom plate 1 is fixedly connected with four groups of guide rods 6, sliders 5 are fixedly connected to the front side and the rear side of the left end face and the front side and the rear side of the right end face of the circuit board main body 12, jacks 18 are formed in the upper end faces of the sliders 5, the guide rods 6 penetrate through the corresponding jacks 18, springs 4 are spirally sleeved on the outer surfaces of the guide rods 5, one ends of the springs 4 are fixedly connected with the bottom end face of the sliders 5, and the other ends of the springs 4 are fixedly connected with the upper end face of the bottom plate 1.

The vibration of the circuit board main body 12 is reduced or eliminated by the spring 4, and the circuit board main body 12 is prevented from being influenced by external vibration, so that the service life of the circuit board main body 12 is effectively prolonged.

The bottom end face of the high-resistance plate 14 is embedded with a plurality of radiating fins 2 at equal intervals, a cooling pipe 15 is coiled between adjacent radiating fins 17, the cooling pipe 15 is arranged in a snake shape, one end of the cooling pipe 15 is fixedly connected with a water inlet pipe 19, and the other end of the cooling pipe 15 is fixedly connected with a water outlet pipe 20.

The heat sink 2 is used to enhance the heat dissipation of the circuit board main body 12, and when the circuit board main body 12 is in operation, the cooling liquid enters the cooling tube 15 through the water inlet tube 19, so as to take away the heat on the outer surface of the heat sink 2, thereby further enhancing the heat dissipation efficiency of the circuit board main body 12.

The middle part of the upper end face of the bottom plate 1 and the side wall of the inner top end of the protective cover 7 are fixedly connected with rubber pads 8, when vibration is too large, the circuit board main body 12 is in contact with the rubber pads 8, and the rubber pads 8 can further enhance the shock absorption performance of the circuit board main body 12.

The left side and the right side of the rear end face of the bottom plate 1 and the left side and the right side of the front end face are fixedly connected with connecting lugs 16, and threaded holes 17 are formed in the upper end faces of the connecting lugs 16 and used for conveniently and fixedly mounting the device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A corrosion-resistant circuit board, comprising a protective cover (7), characterized in that: the utility model discloses a safety protection cover, including safety cover (7), bottom face all around the equal fixedly connected with connecting plate of side (3), be provided with bottom plate (1) under safety cover (7), bottom plate (1) and connecting plate (3) are through a plurality of bolts (13) fixed connection, the inside of safety cover (7) is equipped with circuit board main part (12), the up end of circuit board main part (12) is equipped with corrosion-resistant layer (11), the up end of corrosion-resistant layer (11) is equipped with oxidation resisting layer (10), the up end of oxidation resisting layer (10) is provided with waterproof layer (9), the bottom face fixedly connected with high resistance board (14) of circuit board main part (12).

2. A corrosion resistant circuit board according to claim 1, wherein: the corrosion-resistant layer (11) is a phenolic resin layer, and the high-resistance plate (14) is made of a low-pressure polyethylene material.

3. A corrosion resistant circuit board according to claim 2, wherein: the bottom face fixedly connected with four groups of guide arms (6) of bottom plate (1), equal fixedly connected with slider (5) of left end face front and back side and right end face front and back side of circuit board main part (12), jack (18) have been seted up to the up end of slider (5), guide arm (6) are worn to establish inside jack (18) that correspond, the surface spiral cover of guide arm (6) is equipped with spring (4), the one end of spring (4) and the bottom face fixed connection of slider (5), the other end of spring (4) and the up end fixed connection of bottom plate (1).

4. A corrosion resistant circuit board according to claim 3, wherein: the bottom end face of high resistance board (14) inlays and is equipped with a plurality of equidistant fin (2), coils between adjacent fin (2) cooling tube (15), cooling tube (15) are snakelike setting, the one end fixedly connected with inlet tube (19) of cooling tube (15), the other end fixedly connected with outlet pipe (20) of cooling tube (15).

5. The corrosion-resistant circuit board of claim 4, wherein: the middle part of the upper end face of the bottom plate (1) and the side wall of the inner top end of the protective cover (7) are fixedly connected with rubber pads (8).

6. A corrosion resistant circuit board according to claim 5, wherein: the left side and the right side of the rear end face of the bottom plate (1) and the left side and the right side of the front end face are fixedly connected with connecting lugs (16), and threaded holes (17) are formed in the upper end faces of the connecting lugs (16).