CN219019114U

CN219019114U - Circuit board of plastic package explosion-proof structure

Info

Publication number: CN219019114U
Application number: CN202223094233.1U
Authority: CN
Inventors: 刘倩
Original assignee: Xinyi Heling Mechanical Equipment Co ltd
Current assignee: Xinyi Heling Mechanical Equipment Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-05-12
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a circuit board with a plastic package explosion-proof structure, which comprises a base, a mounting groove, a water inlet hole, a water outlet hole, a water inlet pipe, a water outlet pipe, a circulating pipe, a heat dissipation plate, a fixing groove, a fixing block, a circuit board body, a limit column, a vent groove, a pressure relief groove and a plastic package shell, wherein the top of the base is provided with the mounting groove, the bottom of the base is respectively provided with the water inlet hole and the water outlet hole, the bottom of the base is symmetrically provided with the vent groove, and the circulating pipe is arranged at the bottom end of the inside of the mounting groove. Utilize plastic envelope shell on the base to seal the protection to the circuit board body, when components and parts overheat on the circuit board body, the air of inflation is led out through pressure release groove and ventilation groove, has played the explosion-proof effect of pressure release to the security performance of circuit board has been improved.

Description

Circuit board of plastic package explosion-proof structure

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a circuit board with a plastic package explosion-proof structure.

Background

The circuit board is also called a circuit board, so that the circuit is miniaturized and visualized, plays an important role in mass production of a fixed circuit and optimizing the layout of an electrical appliance, is widely used in the field of the electrical appliance, can basically meet the use requirements of people, but has certain defects, firstly, the heat dissipation performance of the existing circuit board is poor, and the circuit board is damaged due to overheating in the use process, so that the service life of the circuit board is shortened; secondly, the existing circuit board lacks the decompression explosion-proof function, and the overheat of components on the circuit board can cause the expansion of surrounding air due to heating, so that certain potential safety hazards exist; therefore, it is necessary to design the circuit board with the plastic package explosion-proof structure.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a circuit board with a plastic package explosion-proof structure, which is used for solving the problems that the existing circuit board is poor in heat dissipation performance and has potential safety hazards due to lack of a pressure relief explosion-proof function.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a circuit board of plastic envelope explosion-proof structure, includes base, mounting groove, circulating pipe, heating panel, fixed slot, fixed block, circuit board body, spliced pole, ventilation groove, pressure release groove and plastic envelope, the mounting groove has been seted up at the top of base, and inlet port and apopore have been seted up respectively to the bottom of base, and ventilation groove has been seted up to the bottom symmetry of base, and the inside bottom of mounting groove is provided with the circulating pipe, and the heating panel has been cup jointed at the top of mounting groove, and the inlet tube has been passed to the one end of circulating pipe, and the other end of circulating pipe has passed the outlet pipe of fixed cup jointing of apopore.

Preferably, the fixed slot has been seted up to the top bilateral symmetry of base, and the inside bottom of fixed slot is provided with spacing post, spacing post sliding connection in the logical groove that the fixed block was seted up.

Preferably, the screw hole has been seted up at the top of spacing post, and the cooperation is connected with fixing bolt in the screw hole, and fixing bolt cup joints in the through-hole on the connecting plate, and the bottom of connecting plate and fixed block laminating each other are provided with the closed roof between the connecting plate, and closed roof and connecting plate cup joint in the recess of plastic envelope bottom.

Preferably, the pressure relief groove has been seted up on the fixed block, and pressure relief groove and ventilation groove intercommunication each other are provided with the circuit board body between the fixed block, and the laminating of the bottom of circuit board body is at the top of heating panel.

Preferably, the plastic envelope is fixed on the base, is provided with the spliced pole in the through-hole of seting up in plastic envelope top one side, and the spliced pole runs through the top that seals the roof welding at the circuit board body, and the bilateral symmetry of sealing the roof is provided with the curb plate, and the curb plate is laminated each other with the both sides of circuit board body.

(III) beneficial effects

The circuit board with the plastic package explosion-proof structure has the advantages that: the circulating pipe and the heat dissipation plate are fixed and installed through the installation groove formed in the base, and in the running process of the circuit board, the circuit board body is in contact with the heat dissipation plate for heat exchange, condensed water enters the circulating pipe from the water inlet pipe and is discharged through the water outlet pipe for water-cooling heat dissipation, so that the heat dissipation performance of the circuit board is improved, the circuit board is prevented from being overheated and damaged, and the service life of the circuit board is prolonged; utilize plastic envelope shell on the base to seal the protection to the circuit board body, when components and parts overheat on the circuit board body, the air of inflation is led out through pressure release groove and ventilation groove, has played the explosion-proof function of pressure release to the security performance of circuit board has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a three-dimensional view of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

fig. 4 is a partial enlarged view of the region B in fig. 2.

In the figure: 1. a base; 2. a mounting groove; 3. a water inlet hole; 4. a water outlet hole; 5. a water inlet pipe; 6. a water outlet pipe; 7. a circulation pipe; 8. a heat dissipation plate; 9. a fixing groove; 10. a fixed block; 11. a circuit board body; 12. a limit column; 13. a threaded hole; 14. a fixing bolt; 15. a connecting plate; 16. a closed top plate; 17. a side plate; 18. a connecting column; 19. a vent groove; 20. a pressure relief groove; 21. and (5) plastic packaging.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the circuit board of the plastic package explosion-proof structure comprises a base 1, a mounting groove 2, a circulating pipe 7, a heat radiation plate 8, a fixing groove 9, a fixing block 10, a circuit board body 11, a connecting column 18, an air vent groove 19, a pressure relief groove 20 and a plastic package shell 21, wherein the mounting groove 2 is arranged at the top of the base 1, a water inlet hole 3 and a water outlet hole 4 are respectively arranged at the bottom of the base 1, the air vent groove 19 is symmetrically arranged at the bottom of the base 1, the circulating pipe 7 is arranged at the inner bottom end of the mounting groove 2, the heat radiation plate 8 is sleeved at the top of the mounting groove 2, one end of the circulating pipe 7 penetrates through the water inlet hole 3 to fixedly sleeve a water inlet pipe 5, the other end of the circulating pipe 7 penetrates through the water outlet hole 4 to fixedly sleeve a water outlet pipe 6, the fixing groove 9 is symmetrically arranged at the two sides of the top of the base 1, a limit column 12 is arranged at the inner bottom of the fixing groove 9, the limit column 12 is slidingly connected in the through groove arranged at the fixing block 10, a threaded hole 13 is arranged at the top of the limit column 12, the fixing bolts 14 are connected in the threaded holes 13 in a matching way, the fixing bolts 14 are sleeved in through holes on the connecting plates 15, the bottoms of the connecting plates 15 are mutually attached to the fixing blocks 10, a closed top plate 16 is arranged between the connecting plates 15, the closed top plate 16 and the connecting plates 15 are sleeved in grooves at the bottoms of the plastic package 21, the fixing blocks 10 are provided with pressure relief grooves 20, the pressure relief grooves 20 are mutually communicated with the ventilation grooves 19, a circuit board body 11 is arranged between the fixing blocks 10, the bottoms of the circuit board body 11 are attached to the top of the heat dissipation plate 8, the plastic package 21 is fixed on the base 1, connecting columns 18 are arranged in through holes formed in one side of the top of the plastic package 21, the connecting columns 18 penetrate through the closed top plate 16 and are welded on the top of the circuit board body 11, two sides of the closed top plate 16 are symmetrically provided with side plates 17, the side plates 17 are mutually attached to two sides of the circuit board body 11, the connecting post 18 is used for facilitating the electrical connection between the circuit board body 11 and an external circuit;

specifically, when in use, the circulating pipe 7 and the heat dissipation plate 8 are fixed and installed through the installation groove 2 formed in the base 1, and in the running process of the circuit board, the circuit board body 11 is in contact with the heat dissipation plate 8 for heat exchange, condensed water enters the circulating pipe 7 from the water inlet pipe 5 and is discharged through the water outlet pipe 6 for water cooling and heat dissipation, so that the heat dissipation performance of the circuit board is improved, the overheat damage of the circuit board is avoided, and the service life of the circuit board is prolonged; the circuit board body 11 is sealed and protected by the plastic package shell 21 which is packaged on the base 1, when components on the circuit board body 11 are overheated, the expanded air is released through the pressure release groove 20 and the ventilation groove 19, so that the pressure release and explosion prevention functions are realized, and the safety performance of the circuit board is improved.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a circuit board of plastic envelope explosion-proof structure, includes base (1), mounting groove (2), circulating pipe (7), heating panel (8), fixed slot (9), fixed block (10), circuit board body (11), spliced pole (18), ventilation groove (19), pressure release groove (20) and plastic envelope shell (21), its characterized in that: mounting groove (2) have been seted up at the top of base (1), and inlet opening (3) and apopore (4) have been seted up respectively to the bottom of base (1), ventilation groove (19) have been seted up to the bottom symmetry of base (1), the inside bottom of mounting groove (2) is provided with circulating pipe (7), and heating panel (8) have been cup jointed at the top of mounting groove (2), inlet tube (5) have been fixedly cup jointed in inlet opening (3) are passed to one end of circulating pipe (7), and outlet pipe (6) have been fixedly cup jointed in the other end of circulating pipe (7) through apopore (4).

2. The circuit board of the plastic package explosion-proof structure according to claim 1, wherein: the base is characterized in that fixing grooves (9) are symmetrically formed in the two sides of the top of the base (1), limiting columns (12) are arranged at the bottom ends of the inside of the fixing grooves (9), and the limiting columns (12) are slidably connected in through grooves formed in the fixing blocks (10).

3. The circuit board of the plastic package explosion-proof structure according to claim 2, wherein: screw holes (13) have been seted up at the top of spacing post (12), and the cooperation is connected with fixing bolt (14) in screw holes (13), and fixing bolt (14) cup joints in the through-hole on connecting plate (15), and the bottom of connecting plate (15) is laminated each other with fixed block (10), is provided with between connecting plate (15) and seals roof (16), and seals roof (16) and connecting plate (15) and cup joints in the recess of plastic envelope (21) bottom.

4. The circuit board of the plastic package explosion-proof structure according to claim 1, wherein: the pressure relief groove (20) is formed in the fixing block (10), the pressure relief groove (20) is communicated with the ventilation groove (19), the circuit board body (11) is arranged between the fixing blocks (10), and the bottom of the circuit board body (11) is attached to the top of the heat dissipation plate (8).

5. The circuit board of the plastic package explosion-proof structure according to claim 3, wherein: the plastic package shell (21) is fixed on the base (1), a connecting column (18) is arranged in a through hole formed in one side of the top of the plastic package shell (21), the connecting column (18) penetrates through the closed top plate (16) and is welded on the top of the circuit board body (11), side plates (17) are symmetrically arranged on two sides of the closed top plate (16), and the side plates (17) are mutually attached to two sides of the circuit board body (11).