PCB explosion-proof structure and PCB

By designing explosion-proof structures and multi-layer components on the PCB board, the problem of high-temperature explosion caused by short circuit of the PCB board is solved, and the multi-layer structure and flexibility of use are improved.

CN223379357UActive Publication Date: 2025-09-23SHENZHEN XIANGYU CIRCUIT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422722183.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-23
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing PCBs in consumer electronics containing batteries are prone to local overheating due to short circuits, which may cause combustion or explosion. In addition, most of them are single-sided structures, which limits their flexibility.

Method used

It adopts explosion-proof structure and multi-layer component design, including installation slots, heat pipes, sliding covers, handles, heat sinks and heat sinks, etc., combined with insulation layer, conductive layer and flame retardant layer to disperse heat source and enhance heat dissipation capacity, and increase layer structure.

Benefits of technology

It effectively reduces the risk of explosion of PCB boards caused by high temperature and improves the adaptability and ease of use of the multi-layer structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223379357U_ABST
    Figure CN223379357U_ABST
Patent Text Reader

Abstract

The utility model discloses a PCB explosion-proof structure and a PCB, the PCB explosion-proof structure comprises a board body, the board body is provided with an explosion-proof mechanism and a multilayer assembly; and the explosion-proof mechanism comprises a mounting groove, a first electronic element, a heat dissipation pipe, a sliding cover, a handle, a second electronic element, a heat dissipation groove and a heat dissipation sheet. According to the utility model, through the arrangement of the explosion-proof mechanism, the mounting groove, the first electronic element, the heat dissipation pipe, the sliding cover, the handle, the second electronic element, the heat dissipation groove and the heat dissipation fins, the electronic elements which are prone to high temperature can be dispersedly mounted, the distance between the electronic elements is increased, and the equipped heat dissipation device can effectively absorb heat generated by the electronic elements, so that the heat dissipation efficiency is improved. Therefore, the purpose of heat dissipation is achieved, the possibility of explosion in long-time use is reduced, and the surrounding safety is maintained; through the arrangement of the insulating layer, the conductive layer and the flame-retardant layer, the layer surface of the PCB can be increased, so that the PCB can adapt to more use requirements, and certain convenience is provided for users.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of PCB boards, in particular to an explosion-proof structure of a PCB board and a PCB board. Background Art

[0002] In modern electronic devices, PCBs are core components. PCBs, or printed circuit boards, provide the electrical connections for electronic components. Using printing technology, they form conductive traces, patterns, and pads on an insulating substrate. These are used to mount and connect various electronic components, such as chips, resistors, and capacitors, to achieve circuit functionality.

[0003] Existing PCB boards have the following disadvantages:

[0004] 1. In some consumer electronic products containing energy sources such as batteries, the PCB board may cause local overheating due to short circuits during long-term use. Heat accumulation may cause flammable gas combustion or even explosion;

[0005] 2. Most existing PCB boards are single-sided structures, which have great limitations in the use of different electronic products and are therefore inconvenient. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a PCB board explosion-proof structure and a PCB board.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A PCB board explosion-proof structure and a PCB board, comprising a board body, on which an explosion-proof mechanism and a multi-layer component are mounted;

[0009] The explosion-proof mechanism includes a mounting groove, a first electronic component, a heat dissipation pipe, a sliding cover, a handle, a second electronic component, a heat dissipation groove and a heat sink. The first electronic component is connected to the inner walls of the mounting groove. The surface groove of the first electronic component is tightly connected to the heat dissipation pipe. The surface of the second electronic component is welded with a heat dissipation groove. The top of the heat dissipation groove is open, and the heat sink is inserted into the top opening of the heat dissipation groove.

[0010] Through the above scheme, the explosion-proof mechanism is installed, and the arrangement of the mounting groove, the first electronic component, the heat dissipation pipe, the sliding cover, the handle, the second electronic component, the heat dissipation groove and the heat sink can disperse the electronic components that are prone to high temperatures and increase the distance between them. The equipped heat dissipation device can effectively absorb the heat generated by the electronic components, thereby defeating the purpose of heat dissipation, reducing the possibility of explosion during long-term use, and maintaining the safety of the surrounding area.

[0011] Preferably, the multi-layer assembly includes an insulating layer, a conductive layer and a flame retardant layer, the insulating layer is laid on one side surface of the conductive layer, and the other side surface of the conductive layer is fixedly connected to the top outer wall of the flame retardant layer.

[0012] Through the above scheme, multi-layer components are installed, and the setting of the insulating layer, the conductive layer and the flame retardant layer can increase the level of the PCB board, so that it can adapt to more usage requirements and provide certain convenience for users.

[0013] Preferably, a plurality of connecting through holes are respectively provided at four corners of the plate body, the insulating layer, the conductive layer and the flame retardant layer, and the plate body, the insulating layer, the conductive layer and the flame retardant layer are fixedly connected via the connecting through holes.

[0014] Preferably, a mounting groove is provided on the surface of the plate, and the second electronic component is fixedly welded to the other end of the surface of the plate.

[0015] Preferably, the insulating layer is made of polyimide material, and the flame retardant layer is made by applying conformal coating.

[0016] Preferably, thermal grease is disposed on one side of the heat sink, a plurality of heat sink fins are fixedly mounted on the other side of the heat sink, the bottom of the heat sink is a hollow structure, and the interior of the heat pipe is filled with a liquid wick.

[0017] The beneficial effects of the utility model are:

[0018] 1. By installing an explosion-proof mechanism, the arrangement of the mounting slot, the first electronic component, the heat dissipation pipe, the sliding cover, the handle, the second electronic component, the heat dissipation slot and the heat sink can disperse the electronic components that are prone to high temperatures and increase the distance between them. The heat dissipation device can effectively absorb the heat generated by the electronic components, thereby defeating the purpose of heat dissipation, reducing the possibility of explosion during long-term use, and maintaining the safety of the surrounding area;

[0019] 2. By installing multi-layer components, the setting of insulation layer, conductive layer and flame retardant layer can increase the level of PCB board, so that it can adapt to more usage requirements and provide certain convenience for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of a PCB explosion-proof structure and a PCB board structure proposed by the utility model;

[0021] Figure 2 This is a top view of the structure of a PCB board explosion-proof structure and an explosion-proof mechanism of a PCB board proposed by the utility model;

[0022] Figure 3This is a PCB board explosion-proof structure proposed by the utility model and a structural side view of the PCB board.

[0023] In the figure: 1. Board; 2. Connecting through hole; 3. Mounting slot; 4. First electronic component; 5. Heat dissipation pipe; 6. Sliding cover; 7. Handle; 8. Second electronic component; 9. Heat dissipation slot; 10. Heat sink; 11. Insulation layer; 12. Conductive layer; 13. Flame retardant layer. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Example 1, with reference to Figure 1 , a PCB board explosion-proof structure and PCB board, including a board body 1, on which an explosion-proof mechanism and a multi-layer component are installed;

[0026] The explosion-proof mechanism includes a mounting groove 3, a first electronic component 4, a heat dissipation pipe 5, a sliding cover 6, a handle 7, a second electronic component 8, a heat dissipation groove 9 and a heat sink 10. The first electronic component 4 is connected to the inner walls of the mounting groove 3. The surface groove of the first electronic component 4 is tightly connected to the heat dissipation pipe 5. The surface of the second electronic component 8 is welded with a heat dissipation groove 9. The top of the heat dissipation groove 9 is open. The heat sink 10 is inserted into the top opening of the heat dissipation groove 9. The explosion-proof mechanism is installed. The arrangement of the mounting groove 3, the first electronic component 4, the heat dissipation pipe 5, the sliding cover 6, the handle 7, the second electronic component 8, the heat dissipation groove 9 and the heat sink 10 can disperse the electronic components that are prone to high temperatures and increase the distance between them. The equipped heat dissipation device can effectively absorb the heat generated by the electronic components, thereby defeating the purpose of heat dissipation, reducing the possibility of explosion during long-term use, and maintaining the safety of the surrounding area.

[0027] Preferably, the multi-layer assembly includes an insulating layer 11, a conductive layer 12 and a flame retardant layer 13. The insulating layer 11 is laid on one side surface of the conductive layer 12, and the other side surface of the conductive layer 12 is fixedly connected to the top outer wall of the flame retardant layer 13. When the multi-layer assembly is installed, the arrangement of the insulating layer 11, the conductive layer 12 and the flame retardant layer 13 can increase the layers of the PCB board, thereby making it adaptable to more usage requirements and providing certain convenience for users.

[0028] Preferably, a plurality of connecting through holes 2 are respectively provided at the four corners of the board body 1, the insulating layer 11, the conductive layer 12 and the flame retardant layer 13, the board body 1, the insulating layer 11, the conductive layer 12 and the flame retardant layer 13 are fixedly connected through the connecting through holes 2, a mounting groove 3 is provided on the surface of the board body 1, the second electronic component 8 is fixedly welded to the other end of the surface of the board body 1, the insulating layer 11 is made of polyimide material, the flame retardant layer 13 is made by brushing three-proof paint, one side of the heat sink 10 is provided with thermal grease, and a plurality of heat sink fins are fixedly installed on the other side of the heat sink 10, the bottom of the heat sink 9 is a hollow structure, and the interior of the heat pipe 5 is filled with a liquid absorbent core.

[0029] Working principle: By installing an explosion-proof mechanism, the arrangement of the mounting groove 3, the first electronic component 4, the heat dissipation pipe 5, the sliding cover 6, the handle 7, the second electronic component 8, the heat dissipation groove 9 and the heat sink 10 can disperse the electronic components that are prone to high temperatures and increase the distance between them. The equipped heat dissipation device can effectively absorb the heat generated by the electronic components, thereby defeating the purpose of heat dissipation, reducing the possibility of explosion during long-term use, and maintaining the safety of the surrounding area; by installing multi-layer components, the arrangement of the insulating layer 11, the conductive layer 12 and the flame retardant layer 13 can increase the level of the PCB board, so that it can adapt to more usage requirements and provide certain convenience for users.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PCB board explosion-proof structure and a PCB board, comprising a board body (1), characterized in that: The plate body (1) is equipped with an explosion-proof mechanism and a multi-layer assembly; The explosion-proof mechanism comprises a mounting groove (3), a first electronic component (4), a heat dissipation pipe (5), a sliding cover (6), a handle (7), a second electronic component (8), a heat dissipation groove (9) and a heat dissipation fin (10), wherein the first electronic component (4) is connected to the inner walls of the mounting groove (3), the surface groove of the first electronic component (4) is tightly connected to the heat dissipation pipe (5), the surface of the second electronic component (8) is welded with a heat dissipation groove (9), the top of the heat dissipation groove (9) is open, and the heat dissipation fin (10) is plugged into the top opening of the heat dissipation groove (9).

2. The explosion-proof structure of a PCB board and the PCB board according to claim 1, characterized in that: The multilayer assembly comprises an insulating layer (11), a conductive layer (12) and a flame retardant layer (13); the insulating layer (11) is laid on one side surface of the conductive layer (12); and the other side surface of the conductive layer (12) is fixedly connected to the top outer wall of the flame retardant layer (13).

3. The explosion-proof structure of a PCB board and the PCB board according to claim 2, characterized in that: A plurality of connecting through holes (2) are respectively provided at the four corners of the plate body (1), the insulating layer (11), the conductive layer (12) and the flame retardant layer (13); the plate body (1), the insulating layer (11), the conductive layer (12) and the flame retardant layer (13) are fixedly connected via the connecting through holes (2).

4. The explosion-proof structure of a PCB board and the PCB board according to claim 1, characterized in that: A mounting groove (3) is provided on the surface of the plate body (1), and the second electronic component (8) is fixedly welded to the other end of the surface of the plate body (1).

5. The explosion-proof structure of a PCB board and the PCB board according to claim 2, characterized in that: The insulating layer (11) is made of polyimide material, and the flame retardant layer (13) is made by applying three-proof paint.

6. The explosion-proof structure of a PCB board and the PCB board according to claim 1, characterized in that: One side of the heat sink (10) is provided with thermal grease, and the other side of the heat sink (10) is fixedly provided with a plurality of heat dissipation fins. The bottom of the heat dissipation groove (9) is a hollow structure, and the interior of the heat dissipation pipe (5) is filled with a liquid absorption core.