Compression-resistant waterproof double-sided circuit board

By designing a multi-layer structure and strengthening the support structure on the double-sided circuit board, the problem of insufficient compression and waterproofing ability of the existing double-sided circuit board is solved, which significantly improves the compression and waterproofing ability of the circuit board, and enhances the safety of use.

CN222839952UActive Publication Date: 2025-05-06SHENZHEN XINGJIETE CIRCUIT CO LTD
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Patent Information

Application Number
CN202421578327.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-05-06
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The existing double-sided circuit boards have weak compressive and waterproofing capabilities in underwater operations, and are prone to damage due to excessive water pressure, resulting in problems with the circuit board and low safety of use.

Method used

A compression-resistant and waterproof double-sided circuit board is designed. By setting up a multi-layer structure on the aluminum substrate, including a conductive protective layer, a conductive layer, a waterproof layer, a heat dissipation layer, a reinforced isolation layer, a capsule protective layer and a compressive protection layer, and the compression-resistant and waterproofing capabilities of the circuit board are enhanced with the cooperation of the compression-resistant spring column and a reinforced communication rod.

Benefits of technology

Through the design and strengthening of the support structure of the multi-layer structure, the compression resistance and waterproofing capabilities of the circuit board are significantly enhanced, and the stability and use safety of the circuit board are improved.

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Abstract

The utility model provides a compression-resistant waterproof double-sided circuit board, which relates to the technical field of double-sided circuit boards, and comprises a reinforced isolation layer, a bag body protection layer is arranged on one side of the reinforced isolation layer, a compression-resistant protection layer is arranged on one side of the bag body protection layer, one end of the compression-resistant protection layer is fixedly provided with a compression-resistant spring column, and the other end of the compression-resistant protection layer is provided with a compression-resistant waterproof layer. And a reinforcing communicating rod is fixedly mounted at one end of the compression-resistant spring column. Compared with the prior art, the circuit board has the advantages that the through reinforced supporting structure is arranged in the circuit board, the compression-resistant structures on the two sides of the circuit board are supported by the reinforced supporting structure, the compression-resistant capability and stability of the compression-resistant structures on the two sides of the circuit board can be further enhanced, and the elastic supporting structure is arranged in the reinforced supporting structure, so that the service life of the circuit board is prolonged. The elastic supporting structure is used for providing certain buffering support for the pressure-resistant structure, so that the pressure-resistant structure can have certain buffering capacity after being pressed, and the use stability of the pressure-resistant structure on the two sides of the circuit board is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of double-sided circuit boards, in particular to a pressure-resistant and waterproof double-sided circuit board. Background Art

[0002] As people's living standards continue to improve, more electronic and electrical products are used in underwater operation equipment. As the complexity of electronic and electrical products increases, single-layer panels are gradually unable to meet the needs of electronic and electrical products. More and more double-sided circuit boards are used in electronic and electrical products, and the requirements for the pressure resistance and waterproofness of double-sided circuit boards are gradually increasing.

[0003] However, the existing double-sided circuit boards have weak pressure and waterproof capabilities and are easily damaged by excessive water pressure during underwater operations, causing problems with the circuit boards and low safety of use. Utility Model Content

[0004] Therefore, the purpose of the present invention is to provide a pressure-resistant and waterproof double-sided circuit board to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a pressure-resistant and waterproof double-sided circuit board, including an aluminum substrate, wherein a conductive protection layer is arranged at both ends of the aluminum substrate, a conductive layer is arranged on one side of the conductive protection layer, a waterproof layer is arranged on one side of the conductive layer, a heat dissipation layer is arranged on one side of the waterproof layer, a reinforcement isolation layer is arranged on one side of the heat dissipation layer, a capsule protection layer is arranged on one side of the reinforcement isolation layer, a pressure-resistant protection layer is arranged on one side of the capsule protection layer, a pressure-resistant spring column is fixedly installed on one end of the pressure-resistant protection layer, and a reinforcing connecting rod is fixedly installed on one end of the pressure-resistant spring column.

[0006] Preferably, any of the above schemes has a conducting hole connecting the aluminum substrate and the conductive layer formed inside the conducting protection layer, and the conducting protection layer is made of graphite material as an insulating layer.

[0007] The above technical solution is adopted: the aluminum substrate and the conductive layer are connected to each other through the through holes, thereby ensuring the double-sided connectivity of the circuit board.

[0008] Preferably, in any of the above schemes, the conductive layer is made of metallic copper, the heat dissipation layer is made of thermally conductive silicone material, and the reinforced isolation layer is made of metal foil.

[0009] The above technical solution is adopted: the heat dissipation layer is used to facilitate the heat dissipation of the circuit board, thereby improving the heat dissipation efficiency of the circuit board. At the same time, the reinforced isolation layer is used to reinforce and protect the entire circuit board, thereby enhancing the overall stability of the circuit board.

[0010] Preferably, any of the above schemes has an isolation cavity formed inside the bladder protection layer, the bladder protection layer is made of rubber material, and the pressure-resistant protection layer is made of pressure-resistant material.

[0011] The above technical solution is adopted: a light-weight inert gas is filled inside the capsule protective layer, and the inert gas is used to form an isolation protective layer on the outer layer of the circuit board, thereby improving the circuit board's resistance to external forces and enhancing the protection of the circuit.

[0012] Preferably, any of the above schemes has connecting grooves adapted to the reinforcing connecting rods at four corners of the aluminum substrate, the conduction protection layer, the conductive layer, the waterproof layer, the heat dissipation layer, the reinforcement isolation layer and the capsule protection layer.

[0013] Preferably, any of the above schemes is that the reinforced connecting rod passes through the aluminum substrate, the conductive protection layer, the conductive layer, the waterproof layer, the heat dissipation layer, the reinforced isolation layer and the capsule protection layer, and both ends of the reinforced connecting rod are provided with movable grooves adapted to the pressure-resistant columns.

[0014] The above technical solution is adopted: the reinforcing connecting rod is used to penetrate the entire circuit board, and the compressive protection layer on both sides of the circuit board is supported by the penetrated reinforcing connecting rod to enhance the stability of the compressive protection layer.

[0015] Preferably, from any of the above schemes, the anti-compression spring column comprises a support spring and an anti-compression column, the support spring is fixedly installed inside the reinforcing connecting rod, and one end of the support spring is fixedly installed with an anti-compression column movably connected to the reinforcing connecting rod.

[0016] The above technical solution is adopted: the support spring is used to support the anti-compression column, so that the anti-compression column can move within a certain range, which is convenient for the anti-compression column to support the anti-compression protective layer, so that the anti-compression protective layer can move to a certain extent, thereby improving the compression resistance of the anti-compression protective layer.

[0017] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0018] 1. A penetrating reinforcing support structure is set inside the circuit board, and the reinforced support structure is used to support the pressure-resistant structure on both sides of the circuit board, which can further enhance the pressure resistance and stability of the pressure-resistant structure on both sides of the circuit board, and an elastic support structure is set inside the reinforced support structure, and the elastic support structure is used to provide a certain buffer support for the pressure-resistant structure, so that the pressure-resistant structure can have a certain buffer capacity after being subjected to pressure, thereby ensuring the stability of the pressure-resistant structure on both sides of the circuit board.

[0019] 2. A capsule structure is arranged on the inner side of the pressure-resistant structure, and the capsule structure is used to ensure the waterproofness of both sides of the circuit board, and the capsule structure can seal and protect the pressure-resistant structure to enhance the pressure-resistant and waterproof capabilities.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure according to an embodiment of the utility model;

[0024] Among them: 1-aluminum substrate, 2-conduction protection layer, 3-conductive layer, 4-waterproof layer, 5-heat dissipation layer, 6-reinforced isolation layer, 7-bladder protection layer, 8-pressure protection layer, 9-pressure spring column, 91-support spring, 92-pressure column, 10-reinforced connecting rod. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0026] like Figure 1-2 As shown, a pressure-resistant and waterproof double-sided circuit board of an embodiment of the utility model includes an aluminum substrate 1, a conductive protective layer 2 is arranged at both ends of the aluminum substrate 1, a conductive layer 3 is arranged on one side of the conductive protective layer 2, a waterproof layer 4 is arranged on one side of the conductive layer 3, a heat dissipation layer 5 is arranged on one side of the waterproof layer 4, a reinforcement isolation layer 6 is arranged on one side of the heat dissipation layer 5, a capsule protective layer 7 is arranged on one side of the reinforcement isolation layer 6, a pressure-resistant protective layer 8 is arranged on one side of the capsule protective layer 7, a pressure-resistant spring column 9 is fixedly installed at one end of the pressure-resistant protective layer 8, and a reinforcing connecting rod 10 is fixedly installed at one end of the pressure-resistant spring column 9.

[0027] Preferably, any of the above schemes has a conducting hole in the conductive protection layer 2 which is connected to the aluminum substrate 1 and the conductive layer 3 , and the conductive protection layer 2 is made of graphite material as an insulating layer.

[0028] The above technical solution is adopted: the aluminum substrate 1 and the conductive layer 3 are connected to each other through the through holes, thereby ensuring the double-sided connectivity of the circuit board.

[0029] Preferably, in any of the above schemes, the conductive layer 3 is made of metallic copper, the heat dissipation layer 5 is made of thermally conductive silicone material, and the reinforcement isolation layer 6 is made of metal foil.

[0030] The above technical solution is adopted: the heat dissipation layer 5 is used to dissipate heat from the circuit board, thereby improving the heat dissipation efficiency of the circuit board. At the same time, the reinforced isolation layer 6 is used to reinforce and protect the entire circuit board, thereby enhancing the overall stability of the circuit board.

[0031] Preferably, any of the above schemes has an isolation cavity formed inside the bladder protection layer 7 , the bladder protection layer 7 is made of rubber material, and the pressure-resistant protection layer 8 is made of pressure-resistant material.

[0032] The above technical solution is adopted: a light-weight inert gas is filled inside the capsule protective layer 7, and an isolation protective layer is formed on the outer layer of the circuit board using the inert gas, thereby improving the circuit board's resistance to external forces and enhancing the protectiveness of the circuit.

[0033] Preferably, any of the above schemes has connecting grooves adapted to the reinforcing connecting rods 10 at the four corners of the aluminum substrate 1 , the conductive protection layer 2 , the conductive layer 3 , the waterproof layer 4 , the heat dissipation layer 5 , the reinforced isolation layer 6 and the capsule protection layer 7 .

[0034] Preferably, any of the above schemes comprises a reinforcing connecting rod 10 which passes through the aluminum substrate 1, the conductive protection layer 2, the conductive layer 3, the waterproof layer 4, the heat dissipation layer 5, the reinforced isolation layer 6 and the capsule protection layer 7, and movable grooves which are compatible with the pressure-resistant column 92 are provided at both ends of the reinforcing connecting rod 10.

[0035] The above technical solution is adopted: the reinforcing connecting rod 10 is used to penetrate the entire circuit board, and the compressive protection layer 8 on both sides of the circuit board is supported by the penetrated reinforcing connecting rod 10 to enhance the stability of the compressive protection layer 8.

[0036] Preferably, in any of the above schemes, the anti-compression spring column 9 includes a support spring 91 and an anti-compression column 92, the support spring 91 is fixedly installed inside the reinforcing connecting rod 10, and one end of the support spring 91 is fixedly installed with the anti-compression column 92 movably connected to the reinforcing connecting rod 10.

[0037] The above technical solution is adopted: the support spring 91 is used to support the anti-pressure column 92, so that the anti-pressure column 92 can move within a certain range, which is convenient for the anti-pressure column 92 to support the anti-pressure protective layer 8, so that the anti-pressure protective layer 8 can move to a certain extent, thereby improving the anti-pressure ability of the anti-pressure protective layer 8.

[0038] The utility model is a pressure-resistant and waterproof double-sided circuit board, and its working principle is as follows:

[0039] When the pressure-resistant protective layer 8 is subjected to pressure, the pressure-resistant column 92 is driven to compress the support spring 91, so that the reinforced connecting rod 10 supports and fixes the pressure-resistant protective layer 8. At the same time, the capsule protective layer 7 is used to support and protect the pressure-resistant protective layer 8, thereby improving the pressure resistance of the pressure-resistant protective layer 8.

[0040] Compared with the prior art, the present invention has the following beneficial effects:

[0041] 1. A penetrating reinforcing support structure is set inside the circuit board, and the reinforced support structure is used to support the pressure-resistant structure on both sides of the circuit board, which can further enhance the pressure resistance and stability of the pressure-resistant structure on both sides of the circuit board, and an elastic support structure is set inside the reinforced support structure, and the elastic support structure is used to provide a certain buffer support for the pressure-resistant structure, so that the pressure-resistant structure can have a certain buffer capacity after being subjected to pressure, thereby ensuring the stability of the pressure-resistant structure on both sides of the circuit board.

[0042] 2. A capsule structure is arranged on the inner side of the pressure-resistant structure, and the capsule structure is used to ensure the waterproofness of both sides of the circuit board, and the capsule structure can seal and protect the pressure-resistant structure to enhance the pressure-resistant and waterproof capabilities.

Claims

1. A pressure-resistant and waterproof double-sided circuit board, characterized in that: The invention comprises an aluminum substrate (1), wherein two ends of the aluminum substrate (1) are provided with a conductive protective layer (2), one side of the conductive protective layer (2) is provided with a conductive layer (3), one side of the conductive layer (3) is provided with a waterproof layer (4), one side of the waterproof layer (4) is provided with a heat dissipation layer (5), one side of the heat dissipation layer (5) is provided with a reinforcement isolation layer (6), one side of the reinforcement isolation layer (6) is provided with a capsule protection layer (7), one side of the capsule protection layer (7) is provided with a pressure-resistant protective layer (8), one end of the pressure-resistant protective layer (8) is fixedly mounted with a pressure-resistant spring column (9), and one end of the pressure-resistant spring column (9) is fixedly mounted with a reinforcing connecting rod (10).

2. A pressure-resistant and waterproof double-sided circuit board as claimed in claim 1, characterized in that: A conducting hole connecting the aluminum substrate (1) and the conductive layer (3) is provided inside the conducting protection layer (2), and the conducting protection layer (2) is made of graphite material as an insulating layer.

3. A pressure-resistant and waterproof double-sided circuit board as claimed in claim 2, characterized in that: The conductive layer (3) is made of metallic copper, the heat dissipation layer (5) is made of thermally conductive silicone material, and the reinforcement isolation layer (6) is made of metal foil.

4. A pressure-resistant and waterproof double-sided circuit board as claimed in claim 3, characterized in that: An isolation cavity is provided inside the bladder protection layer (7), the bladder protection layer (7) is made of rubber material, and the pressure-resistant protection layer (8) is made of pressure-resistant material.

5. A pressure-resistant and waterproof double-sided circuit board as claimed in claim 4, characterized in that: The aluminum substrate (1), the conductive protection layer (2), the conductive layer (3), the waterproof layer (4), the heat dissipation layer (5), the reinforced isolation layer (6) and the capsule protection layer (7) are all provided with connecting grooves adapted to the reinforced connecting rods (10) at the four corners.

6. A pressure-resistant and waterproof double-sided circuit board as claimed in claim 5, characterized in that: The reinforcing connecting rod (10) passes through the aluminum substrate (1), the conductive protection layer (2), the conductive layer (3), the waterproof layer (4), the heat dissipation layer (5), the reinforced isolation layer (6) and the capsule protection layer (7), and movable grooves adapted to the pressure-resistant columns (92) are provided at both ends of the reinforcing connecting rod (10).

7. A pressure-resistant and waterproof double-sided circuit board as claimed in claim 6, characterized in that: The anti-compression spring column (9) comprises a support spring (91) and an anti-compression column (92); the support spring (91) is fixedly mounted inside the reinforcing connecting rod (10); and one end of the support spring (91) is fixedly mounted with an anti-compression column (92) movably connected to the reinforcing connecting rod (10).