Composite high-voltage-resistant insulating sheet
By introducing a thermal conductive layer and heat dissipation groove into the insulating sheet, the problem of difficulty in heat dissipation of traditional insulating sheets is solved, more efficient heat conduction and heat dissipation are achieved, and the service life of the insulating sheets is extended.
Patent Information
- Application Number
- CN202421757009.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-24
AI Technical Summary
Due to the lack of a heat dissipation structure, traditional insulating sheets are not easy to dissipate, which reduces the service life of the insulating sheets.
A composite high-voltage resistant insulating sheet is designed, using structures such as base material, colloidal layer, thermal conductivity layer and heat dissipation groove. Through the design of aluminum material and heat dissipation groove of the thermal conductivity layer, the thermal conductivity and heat dissipation performance of the insulating sheet are improved.
Effectively conduct heat, ensure rapid heat dissipation, avoid close fit between the insulating sheet and electronic devices, and improve the service life and structural stability of the insulating sheet.
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Figure CN222952884U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of insulating sheets, in particular to a composite high-voltage insulating sheet. Background Art
[0002] Insulating sheet is a key component commonly found in electronic and electrical equipment. Its main function is to provide electrical insulation protection to prevent the current in the circuit from accidentally leaking or causing danger to the equipment and users. The main function of insulating sheet is to prevent the current from flowing uncontrollably in the equipment, thereby preventing electrical accidents such as short circuits and fires. It is usually used in electronic and electrical equipment such as circuit boards, power supply equipment, and transformers to isolate electrical signals or power parts. Insulating sheet plays an indispensable role in modern electronic and electrical engineering. Composite high-voltage insulating sheet usually refers to a special material used in electrical engineering and electronic equipment. It has excellent insulation properties and voltage resistance. Composite high-voltage insulating sheet is a key insulating material in electrical engineering, which is crucial to the safety and performance of electrical equipment.
[0003] It is usually installed between electrical equipment to play an insulating and separating role. However, with the increase of electronic devices in electronic products, the heat transferred to the insulating layer continues to increase. The traditional insulating sheet does not have a heat dissipation structure. The insulating sheet and the electronic devices are in close contact, and the heat is not easy to dissipate. The temperature on the insulating sheet cannot be dissipated in time, which can easily reduce the service life of the insulating sheet. Therefore, a composite high-voltage insulating sheet is proposed. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a composite high-voltage insulation sheet, which aims to improve the problem that the insulation sheet and electronic devices are in close contact and the insulation sheet is not easy to dissipate heat.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite high-voltage insulation sheet, comprising a substrate, wherein a colloid layer is provided on the upper and lower sides of the substrate, a heat-conducting layer is provided on the side away from the two colloid layers, and a plurality of heat-dissipating grooves are provided inside the two heat-conducting layers, the heat-dissipating grooves are longitudinally distributed inside the heat-conducting layer, the heat-dissipating grooves are distributed at equal distances, and an anti-slip pad is fixedly connected to the surface of the side away from the two heat-conducting layers, and the anti-slip pad is made of rubber.
[0006] Preferably, the substrate includes an insulating layer, a reinforcing layer, a filling layer, and a protective layer. The upper and lower layers of the insulating layer are fixedly connected to the reinforcing layer, the sides of the two reinforcing layers away from each other are fixedly connected to the filling layer, the sides of the two filling layers away from each other are fixedly connected to the protective layer, and the sides of the two protective layers away from each other are arranged on the surface of the colloidal layer.
[0007] Preferably, the insulating layer is made of polyimide material.
[0008] Preferably, the reinforcement layer is made of glass fiber material.
[0009] Preferably, the filling layer is made of aluminum oxide material.
[0010] Preferably, the protective layer is made of polytetrafluoroethylene material.
[0011] Preferably, the heat conducting layer is made of aluminum.
[0012] Preferably, the substrate is arranged in a plurality of continuous triangles.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, the thermal conductivity of the insulating sheet can be enhanced by the colloid layer and the thermal conductive layer, and the heat can be effectively transferred to ensure that the heat can be quickly transferred from the inside of the insulating sheet to the external environment. Then, by setting a plurality of heat dissipation grooves in the thermal conductive layer, the insulating sheet and the electronic device can be effectively prevented from being closely fitted, and ventilation between the insulating sheet and the electronic device through the heat dissipation grooves is facilitated, thereby facilitating heat dissipation.
[0015] 2. In the utility model, the substrate is composed of an insulating layer, a reinforcing layer, a filling layer and a protective layer. The insulating layer is made of polyimide material, the reinforcing layer is made of glass fiber material, the filling layer is made of alumina material, and the protective layer is made of polytetrafluoroethylene material. The substrate is arranged as a plurality of continuous triangles, thereby further improving the stability of the insulating sheet structure. Thus, the insulating sheet has higher hardness, heat resistance and stability, thereby effectively improving the service life of the insulating sheet. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A three-dimensional diagram of a composite high-voltage insulation sheet proposed by the utility model;
[0017] Figure 2 A schematic diagram of a protective layer of a composite high-voltage insulation sheet proposed by the utility model;
[0018] Figure 3 The utility model is a schematic diagram of the insulating layer of a composite high-voltage insulation sheet.
[0019] Legend:
[0020] 1. Base material; 2. Colloid layer; 3. Thermal conductive layer; 4. Heat dissipation groove; 5. Anti-slip pad; 101. Insulation layer; 102. Reinforcement layer; 103. Filling layer; 104. Protective layer. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Reference Figure 1 The utility model provides an embodiment: a composite high-voltage insulation sheet, including a substrate 1, a colloid layer 2 is provided on the upper and lower sides of the substrate 1, a heat-conducting layer 3 is provided on the side away from the two colloid layers 2, and a plurality of heat-dissipating grooves 4 are opened inside the two heat-conducting layers 3, the heat-dissipating grooves 4 are longitudinally distributed inside the heat-conducting layer 3, and the heat-dissipating grooves 4 are distributed at equal distances. The surface of the side away from the two heat-conducting layers 3 is fixedly connected with an anti-skid pad 5, the anti-skid pad 5 is made of rubber, and the heat-conducting layer 3 is made of aluminum.
[0023] Specifically, by using the colloid layer 2 as heat dissipation glue, the thermal conductivity of the insulating sheet can be effectively enhanced. By using the heat-conducting layer 3 made of aluminum material, aluminum has good thermal conductivity and can effectively conduct heat, effectively ensuring that heat can be quickly transferred from the inside of the insulating sheet to the external environment. There are multiple heat dissipation grooves 4 inside the heat-conducting layer 3, and the heat dissipation grooves 4 are longitudinally distributed inside the heat-conducting layer 3, so that a certain space can be left between the insulating sheet and the electronic device, effectively avoiding the insulating sheet and the electronic device from fitting closely, thereby facilitating ventilation between the insulating sheet and the electronic device through the heat dissipation grooves 4, thereby facilitating heat dissipation. By using the anti-slip pad 5 made of rubber material, rubber has good friction and wear resistance, and can increase the friction with the contact surface, ensuring that the insulating sheet can be firmly fixed in its desired position after installation, and will not affect the normal operation or safety of the equipment due to accidental movement or sliding.
[0024] Reference Figure 1-Figure 3 The substrate 1 includes an insulating layer 101, a reinforcing layer 102, a filling layer 103, and a protective layer 104. The upper and lower layers of the insulating layer 101 are fixedly connected to the reinforcing layer 102, the sides of the two reinforcing layers 102 away from each other are fixedly connected to the filling layer 103, the sides of the two filling layers 103 away from each other are fixedly connected to the protective layer 104, and the sides of the two protective layers 104 away from each other are arranged on the surface of the colloid layer 2.
[0025] Reference Figure 3 , the insulating layer 101 is made of polyimide material.
[0026] Specifically, the insulating layer 101 is made of a polyimide material, which has excellent insulation performance and heat resistance and provides a main electrical insulation function.
[0027] The reinforcement layer 102 is made of glass fiber material.
[0028] Specifically, the reinforcing layer 102 is made of glass fiber material. The glass fiber itself has a very high tensile strength, which can effectively increase the overall strength and rigidity of the insulation sheet, making it more able to withstand mechanical stress and pressure.
[0029] The filling layer 103 is made of aluminum oxide material.
[0030] Specifically, by making the filling layer 103 of aluminum oxide material, the hardness and heat resistance of the insulating sheet are effectively enhanced, so that the insulating sheet can work at a higher temperature without failure.
[0031] The protective layer 104 is made of polytetrafluoroethylene material.
[0032] Specifically, the protective layer 104 is made of polytetrafluoroethylene material. Polytetrafluoroethylene has excellent electrical insulation performance, heat resistance and chemical stability, and is suitable for high temperature and chemical corrosion environments, thereby ensuring the reliability and long-term performance of the insulation sheet.
[0033] Reference Figure 2 , the substrate 1 is arranged in a plurality of continuous triangles.
[0034] Specifically, the triangle is stable, and by providing the substrate 1 as a plurality of continuous triangles, the stability of the insulating sheet structure can be further improved.
[0035] Working principle: When the device is used, the anti-slip pad 5 is made of rubber material. Rubber has good friction and wear resistance, which can increase the friction with the contact surface to ensure that the insulating sheet can be firmly fixed in its required position after installation, and will not affect the normal operation or safety of the equipment due to accidental movement or sliding. The substrate 1 is composed of an insulating layer 101, a reinforcing layer 102, a filling layer 103 and a protective layer 104. The insulating layer 101 is made of polyimide material, which has excellent insulation performance and heat resistance and effectively provides electrical insulation function. The reinforcing layer 102 is made of glass fiber material, which can effectively increase the overall strength and rigidity of the insulating sheet, making it more able to withstand mechanical stress and pressure. The filling layer 103 is made of aluminum oxide material, which effectively enhances the hardness and heat resistance of the insulating sheet, so that it can work at higher temperatures without failure. The protective layer 104 is made of polytetrafluoroethylene material and has excellent electrical insulation. Performance, heat resistance and chemical stability, suitable for high temperature and chemical corrosion environment, ensure the reliability and long-term performance of the insulating sheet, and then the substrate 1 is set as a plurality of continuous triangles to further improve the stability of the insulating sheet structure, so that the insulating sheet has higher hardness, heat resistance and stability, thereby effectively improving the service life of the insulating sheet, and the colloid layer 2 is a heat dissipation glue, which can enhance the thermal conductivity of the insulating sheet, and the thermal conductive layer 3 is made of aluminum material, aluminum has good thermal conductivity, can effectively conduct heat, and effectively ensure that heat can be quickly transferred from the inside of the insulating sheet to the external environment, and then there are a plurality of heat dissipation grooves 4 inside the thermal conductive layer 3, and the heat dissipation grooves 4 are longitudinally distributed inside the thermal conductive layer 3, so that a certain space can be left between the insulating sheet and the electronic device, effectively avoiding the insulating sheet and the electronic device from fitting closely, thereby facilitating ventilation between the insulating sheet and the electronic device through the heat dissipation grooves 4, thereby facilitating heat dissipation.
[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A composite high-voltage insulation sheet, comprising a substrate (1), characterized in that: The upper and lower sides of the substrate (1) are both provided with a colloid layer (2), the sides away from each other of the two colloid layers (2) are both provided with a heat-conducting layer (3), the insides of the two heat-conducting layers (3) are both provided with a plurality of heat-dissipating grooves (4), the heat-dissipating grooves (4) are longitudinally distributed inside the heat-conducting layer (3), the heat-dissipating grooves (4) are distributed at equal intervals, and the surfaces of the sides away from each other of the two heat-conducting layers (3) are both fixedly connected with an anti-skid pad (5), and the anti-skid pad (5) is made of rubber.
2. The composite high-voltage insulation sheet according to claim 1, characterized in that: The substrate (1) comprises an insulating layer (101), a reinforcing layer (102), a filling layer (103), and a protective layer (104); the upper and lower layers of the insulating layer (101) are both fixedly connected to the reinforcing layer (102); the two sides of the two reinforcing layers (102) that are away from each other are both fixedly connected to the filling layer (103); the two sides of the two filling layers (103) that are away from each other are both fixedly connected to the protective layer (104); and the two sides of the two protective layers (104) that are away from each other are arranged on the surface of the colloid layer (2).
3. The composite high-voltage insulation sheet according to claim 2, characterized in that: The insulating layer (101) is made of polyimide material.
4. The composite high-voltage insulation sheet according to claim 3, characterized in that: The reinforcement layer (102) is made of glass fiber material.
5. The composite high-voltage insulation sheet according to claim 4, characterized in that: The filling layer (103) is made of aluminum oxide material.
6. The composite high-voltage insulation sheet according to claim 5, characterized in that: The protective layer (104) is made of polytetrafluoroethylene material.
7. The composite high-voltage insulation sheet according to claim 1, characterized in that: The heat conducting layer (3) is made of aluminum.
8. The composite high-voltage insulation sheet according to claim 2, characterized in that: The substrate (1) is arranged in the form of a plurality of continuous triangles.