Composite heat-resistant insulation paper
By introducing a structure of thermal conduction strips and conduction grooves into the insulating paper, combined with the cooperation of micropores and grooves, the problem of insulating paper becoming brittle due to thermal aging in high temperature environments is solved, and efficient heat dissipation and long-term maintenance of the insulating paper are achieved.
Patent Information
- Application Number
- CN202421681925.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-16
AI Technical Summary
When used in high temperature environments, existing insulating paper becomes brittle due to thermal aging, losing its mechanical and electrical properties, affecting its use effect.
Composite heat-resistant insulating paper, including cushion layer, film layer, non-woven layer, adhesive layer, fill layer and thermal conduction strip, provide a thermal conduction path through the setting of thermal conduction strips and conduction grooves, and combine the combination of micropores and grooves to improve the heat dissipation efficiency of insulating paper.
Effectively conduct and dissipate heat, avoid insulating paper being in high temperature for a long time, extend the service life of insulating paper, and maintain its mechanical and electrical properties.
Smart Images

Figure CN222795493U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of insulating paper, in particular to a composite heat-resistant insulating paper. Background Art
[0002] Insulating paper is a general term for electrical insulating paper, which is mainly used as insulating material for various electrical equipment such as cables and coils.
[0003] In the prior art, when the insulating paper is in use, if the temperature of the object to which the insulating paper is attached increases during operation, the insulating paper will be used in a high-temperature state for a long time. If the insulating paper is used in a high-temperature environment for a long time, it will become brittle due to thermal aging and gradually lose its mechanical and electrical properties, affecting the use effect of the insulating paper. Utility Model Content
[0004] The utility model aims to solve the problem in the prior art that when the insulating paper is in use, when the temperature of the object to which the insulating paper is attached rises during operation, the insulating paper will be used in a high-temperature state for a long time, and the insulating paper will become brittle due to thermal aging when used in a high-temperature environment for a long time, and gradually lose its mechanical and electrical properties, thereby affecting the use effect of the insulating paper. A composite heat-resistant insulating paper is proposed.
[0005] In order to achieve the above-mentioned objectives, the utility model adopts the following technical scheme: a composite heat-resistant insulating paper, comprising a cushion layer, a film layer is arranged on the top of the cushion layer, a first non-woven fabric layer is arranged on the top of the film layer, an adhesive layer is arranged on the top of the first non-woven fabric layer, a filling layer is arranged at the bottom of the cushion layer, a second non-woven fabric layer is arranged on the top of the filling layer, a plurality of thermal conductive strips are arranged equidistantly on the top of the first non-woven fabric layer, and a plurality of conducting grooves are opened equidistantly on the top of the first non-woven fabric layer near the side of the thermal conductive strips.
[0006] Preferably, the plurality of thermally conductive strips and the plurality of conducting grooves are arranged in a staggered manner, and the thermally conductive strips are located between the first non-woven fabric layer and the adhesive layer.
[0007] Preferably, a plurality of first micropores are uniformly formed on the top of the film layer, and a plurality of second micropores are uniformly formed on the top of the filling layer.
[0008] Preferably, the film layer and the filling layer have the same thickness, and the first micropores and the second micropores are arranged in a matching manner.
[0009] Preferably, a plurality of side holes are equidistantly formed in the longitudinal cross section of the cushion layer, and a plurality of grooves are equidistantly formed on the outer surfaces of the upper and lower sides of the cushion layer.
[0010] Preferably, the grooves and the side holes are arranged in a staggered manner.
[0011] Compared with the prior art, the advantages and positive effects of the utility model are:
[0012] 1. In the utility model, when the composite insulating paper is used, by setting a plurality of heat-conducting strips spaced between the adhesive layer and the first non-woven fabric layer, the heat-conducting strips can effectively conduct the heat absorbed by the object to which the adhesive layer is attached, and the absorbed heat is conducted outward through the film layer, the cushion layer, the filling layer and the second non-woven fabric layer. By coordinating the first micropores and the second micropores, and coordinating the heat-conducting strips and the conducting grooves, a stable heat-conducting path can be provided at the outer side of the adhesive layer, ensuring that the heat at the insulating paper attachment position is effectively dissipated, and preventing the insulating paper from being in a high temperature state for a long time and affecting the use effect.
[0013] 2. In the utility model, by coordinating the side holes and the grooves, the grooves can increase the heat dissipation area on the surface of the cushion layer, and at the same time, the side holes can provide a heat dissipation channel for the heat from the side positions of the insulating paper, thereby achieving the purpose of improving the heat dissipation efficiency of the insulating paper. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional diagram of a composite heat-resistant insulating paper is proposed for the utility model;
[0015] Figure 2 An exploded diagram of a composite heat-resistant insulating paper is proposed for the utility model;
[0016] Figure 3 A bottom view of a composite heat-resistant insulating paper is provided for the utility model;
[0017] Figure 4 The utility model provides a schematic diagram of a cushion structure of a composite heat-resistant insulating paper.
[0018] Legend: 1. Pad layer; 2. Film layer; 3. First non-woven fabric layer; 4. Adhesive layer; 5. Filling layer; 6. Second non-woven fabric layer; 7. Side hole; 8. Groove; 9. First micropore; 10. Second micropore; 11. Thermal conductive strip; 12. Conductive groove. DETAILED DESCRIPTION
[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0021] Embodiment 1, as Figure 1-Figure 4As shown, the utility model provides a composite heat-resistant insulating paper, including a cushion layer 1, a film layer 2 is arranged on the top of the cushion layer 1, a first non-woven fabric layer 3 is arranged on the top of the film layer 2, an adhesive layer 4 is arranged on the top of the first non-woven fabric layer 3, a filling layer 5 is arranged at the bottom of the cushion layer 1, and a second non-woven fabric layer 6 is arranged on the top of the filling layer 5. A plurality of thermal conductive strips 11 are equidistantly arranged on the top of the first non-woven fabric layer 3, a plurality of conducting grooves 12 are equidistantly opened on the top of the first non-woven fabric layer 3 near the side of the thermal conductive strip 11, the plurality of thermal conductive strips 11 and the plurality of conducting grooves 12 are staggered, the thermal conductive strips 11 are located between the first non-woven fabric layer 3 and the adhesive layer 4, a plurality of first micropores 9 are evenly opened on the top of the film layer 2, a plurality of second micropores 10 are evenly opened on the top of the filling layer 5, the film layer 2 is consistent in thickness with the filling layer 5, the first micropores 9 and the second micropores 10 are matched, a plurality of side holes 7 are equidistantly opened on the longitudinal section of the cushion layer 1, a plurality of grooves 8 are equidistantly opened on the upper and lower outer surfaces of the cushion layer 1, and the grooves 8 and the side holes 7 are staggered.
[0022] The effect achieved by the entire embodiment 1 is that when the composite insulating paper is used, the insulating paper is cut to a suitable length, and then one side of the adhesive layer 4 of the insulating paper is adhered to the surface of the object. At this time, the adhesive layer 4 is in the innermost layer of the insulating paper, and the second non-woven fabric layer 6 is in the outermost layer of the insulating paper. The cushion layer 1 provides central support for the center of the insulating paper. The film layer 2 and the first non-woven fabric layer 3 are arranged in coordination with each other close to the adhesive layer 4. The film layer 2 is made of polyester film material. The film layer 2 of polyester film material has good hardness and toughness, and can maintain stable performance in a large temperature range, providing the main insulating performance for the insulating paper, while ensuring that the insulating paper has a certain heat resistance. There are multiple thermally conductive strips 11 spaced apart between the adhesive layer 4 and the first non-woven fabric layer 3. The thermally conductive strips 11 are made of acrylic material, which has a high thermal conductivity and good high temperature resistance, so that the thermally conductive strips 11 can effectively conduct the heat absorbed by the object bonded to the adhesive layer 4. The absorbed heat is conducted outward through the film layer 2, the cushion layer 1, the filling layer 5 and the second non-woven fabric layer 6. Through the coordinated arrangement of the first micropores 9 and the second micropores 10, and the coordinated arrangement of the thermally conductive strips 11 and the conducting grooves 12, a stable heat conduction path can be provided at the outer position of the adhesive layer 4, ensuring that the heat at the bonding position of the insulating paper is effectively dissipated, and preventing the insulating paper from being in a high temperature state for a long time, affecting the use effect.
[0023] Embodiment 2, as Figure 1-Figure 4 As shown, multiple grooves 8 are evenly spaced on the outer surfaces of the upper and lower sides of the cushion layer 1, and the grooves 8 and the side holes 7 are staggered.
[0024] The effect achieved by the entire embodiment 2 is that, through the coordinated arrangement of the side hole 7 and the groove 8, the cushion layer 1 provides overall support at the center position of the insulating paper, while the groove 8 can increase the heat dissipation area on the surface of the cushion layer 1. At the same time, the side hole 7 can provide a heat dissipation channel for the heat from the side position of the insulating paper, thereby achieving the purpose of improving the heat dissipation efficiency of the insulating paper.
[0025] Working principle: When the composite insulating paper is used, the second non-woven fabric layer 6 is located at the outermost layer of the insulating paper, and the cushion layer 1 provides central support for the center of the insulating paper. The film layer 2 on the side close to the adhesive layer 4 and the first non-woven fabric layer 3 are arranged in coordination. The film layer 2 is made of polyester film material, which can maintain stable performance in a large temperature range, providing the main insulating performance for the insulating paper and ensuring that the insulating paper has a certain heat resistance. The plurality of heat-conducting strips 11 are arranged with intervals between the adhesive layer 4 and the first non-woven fabric layer 3. The heat-conducting strips 11 are made of acrylic material and have good high temperature resistance, so that the heat-conducting strips 11 can effectively conduct the adhesive layer 4. The heat absorbed by the object is conducted outward through the film layer 2, the cushion layer 1, the filling layer 5 and the second non-woven fabric layer 6. The first micropores 9 and the second micropores 10 are arranged in coordination with each other, and the heat-conducting strips 11 and the conducting grooves 12 are arranged in coordination with each other, so as to provide a stable heat-conducting path at the outer side of the adhesive layer 4, thereby ensuring that the heat at the bonding position of the insulating paper is effectively dissipated, and preventing the insulating paper from being in a high temperature state for a long time and affecting the use effect. Through the coordinated arrangement of the side holes 7 and the grooves 8, the grooves 8 can increase the heat dissipation area on the surface of the cushion layer 1, and at the same time, a heat dissipation channel can be provided from the side position of the insulating paper from the side hole 7, thereby achieving the purpose of improving the heat dissipation efficiency of the insulating paper.
[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A composite heat-resistant insulating paper, comprising a cushion layer (1), characterized in that: A film layer (2) is arranged on the top of the cushion layer (1), a first non-woven fabric layer (3) is arranged on the top of the film layer (2), an adhesive layer (4) is arranged on the top of the first non-woven fabric layer (3), a filling layer (5) is arranged on the bottom of the cushion layer (1), a second non-woven fabric layer (6) is arranged on the top of the filling layer (5), a plurality of heat-conducting strips (11) are arranged at equal distances on the top of the first non-woven fabric layer (3), and a plurality of conducting grooves (12) are arranged at equal distances on the top of the first non-woven fabric layer (3) near the side of the heat-conducting strips (11).
2. The composite heat-resistant insulating paper according to claim 1, characterized in that: The plurality of heat-conducting strips (11) and the plurality of conducting grooves (12) are arranged in a staggered manner, and the heat-conducting strips (11) are located between the first non-woven fabric layer (3) and the adhesive layer (4).
3. The composite heat-resistant insulating paper according to claim 1, characterized in that: A plurality of first micropores (9) are evenly arranged on the top of the film layer (2), and a plurality of second micropores (10) are evenly arranged on the top of the filling layer (5).
4. The composite heat-resistant insulating paper according to claim 3, characterized in that: The film layer (2) and the filling layer (5) have the same thickness, and the first micropores (9) and the second micropores (10) are arranged in a matching manner.
5. The composite heat-resistant insulating paper according to claim 1, characterized in that: The cushion layer (1) has a plurality of side holes (7) equidistantly formed in the longitudinal section, and a plurality of grooves (8) equidistantly formed on the upper and lower outer surfaces of the cushion layer (1).
6. The composite heat-resistant insulating paper according to claim 5, characterized in that: The grooves (8) and the side holes (7) are arranged in a staggered manner.