Capacitance film resistant to high voltage corrosion

Abstract

The utility model discloses a high-voltage corrosion-resistant capacitor film which comprises a capacitor film layer, the top of the capacitor film layer is fixedly connected with an insulating layer, the top of the insulating layer is fixedly connected with an anti-corrosion layer, the top of the anti-corrosion layer is fixedly connected with a polyester film layer, and the top of the polyester film layer is fixedly connected with a polypropylene film layer. Belongs to the technical field of capacitor films. According to the high-voltage-corrosion-resistant capacitor film, through the arrangement of the polypropylene film layer made of the polypropylene material, the overall anti-pressure capacity is higher, breakage is not prone to occurring, polypropylene is good in chemical stability and does not react with most chemicals, the overall corrosion resistance can be further improved, meanwhile, polypropylene has the excellent mechanical property, and the high-voltage-corrosion-resistant capacitor film is good in anti-corrosion performance. The material has the advantages of good tensile strength, good compression strength and good hardness, has prominent rigidity and bending fatigue resistance, can improve the overall corrosion resistance, can adapt to a complex use environment, and prevents the overall surface from being corroded.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitor films, and more specifically to a capacitor film resistant to high-voltage corrosion. Background Art

[0002] Film capacitors use metal foil as electrodes, which are overlapped with plastic films such as polyethylene, polypropylene, polystyrene or polycarbonate at both ends and then rolled into a cylindrical structure. Depending on the type of plastic film, they are called polyethylene capacitors, polypropylene capacitors, polystyrene capacitors and polycarbonate capacitors.

[0003] Some existing capacitor films have poor corrosion resistance. After a period of use, the surface is prone to corrosion. They do not have pressure resistance, have poor toughness, and are prone to breakage. Utility Model Content

[0004] The purpose of the utility model is to provide a high voltage corrosion resistant capacitor film to solve the problems raised in the above background technology:

[0005] Some existing capacitor films have poor corrosion resistance. After a period of use, the surface is prone to corrosion. They do not have pressure resistance, have poor toughness, and are prone to breakage.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-voltage corrosion-resistant capacitor film comprises a capacitor film layer, an insulating layer is fixedly connected to the top of the capacitor film layer, an anti-corrosion layer is fixedly connected to the top of the insulating layer, a polyester film layer is fixedly connected to the top of the anti-corrosion layer, and a polypropylene film layer is fixedly connected to the top of the polyester film layer.

[0008] Preferably, the insulating layer is made of polyester insulating material, which has the characteristics of high wear resistance and high temperature resistance, as well as good corrosion resistance and chemical stability, and can be used in complex environments.

[0009] Preferably, the anti-corrosion layer is made of anti-corrosion and heat-insulating paint. The anti-corrosion layer made of anti-corrosion and heat-insulating paint can enhance the overall anti-corrosion effect and also play a role of heat-insulating protection.

[0010] Preferably, the polyester film layer is made of polyester resin material, which can improve the overall tensile strength and make it more resistant to compression and impact.

[0011] Preferably, the polypropylene film layer is made of polypropylene material. Polypropylene has good chemical stability, does not react with most chemicals, and has particularly good water resistance, which can further improve the overall corrosion resistance. At the same time, polypropylene has excellent mechanical properties, outstanding rigidity and bending fatigue resistance, which makes the overall compressive resistance strong.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1) When the high-voltage corrosion-resistant capacitor film is in use, the polypropylene film layer made of polypropylene material is set to make the overall pressure resistance stronger and not easy to break. Polypropylene has good chemical stability and does not react with most chemicals, which can further improve the overall corrosion resistance. At the same time, polypropylene has excellent mechanical properties, good tensile strength, compressive strength and hardness, and has outstanding rigidity and bending fatigue resistance.

[0014] 2) When the high-voltage corrosion-resistant capacitor film is in use, the insulating layer made of polyester insulating material can enhance the overall corrosion resistance. The polyester insulating material has good corrosion resistance and chemical stability, can adapt to complex use environments, and prevent corrosion on the overall surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic cross-sectional view of the whole of the utility model.

[0017] Figure 3 It is an enlarged view of point A of the present utility model.

[0018] Explanation of the numbers in the figure: 1. capacitor film layer; 2. insulation layer; 3. anti-corrosion layer; 4. polyester film layer; 5. polypropylene film layer. DETAILED DESCRIPTION

[0019] Some existing capacitor films have poor corrosion resistance. After a period of use, the surface is prone to corrosion. They do not have compressive strength, poor toughness, and are prone to breakage. The following solution can solve this problem.

[0020] See also Figures 1 to 3 A high-voltage corrosion-resistant capacitor film includes a capacitor film layer 1, an insulating layer 2 is fixedly connected to the top of the capacitor film layer 1, an anti-corrosion layer 3 is fixedly connected to the top of the insulating layer 2, a polyester film layer 4 is fixedly connected to the top of the anti-corrosion layer 3, a polypropylene film layer 5 is fixedly connected to the top of the polyester film layer 4, and the polyester film layer 4 cooperates with the polypropylene film layer 5, so that the whole has a stronger ability to resist high voltage.

[0021] The insulating layer 2 is made of polyester insulating material, which has the characteristics of high wear resistance and high temperature resistance. At the same time, the polyester insulating material also has good corrosion resistance and chemical stability, and can adapt to complex use environments.

[0022] The anti-corrosion layer 3 is made of anti-corrosion and heat-insulating paint. The anti-corrosion layer 3 made of anti-corrosion and heat-insulating paint can enhance the overall anti-corrosion effect and also play a role in heat insulation protection.

[0023] The polyester film layer 4 is made of polyester resin material, which can improve the overall tensile strength and toughness, and make it more resistant to compression and impact.

[0024] The polypropylene film layer 5 is made of polypropylene material. Polypropylene has good chemical stability, does not react with most chemicals, and has particularly good water resistance, which can further improve the overall corrosion resistance. At the same time, polypropylene has excellent mechanical properties, good tensile strength, compressive strength and hardness, outstanding rigidity and bending fatigue resistance, which makes the overall compressive resistance strong.

[0025] The use steps of the utility model are as follows: when the high-voltage corrosion-resistant capacitor film is in use, the anti-corrosion layer 3 can improve the overall anti-corrosion effect, and the polypropylene film layer 5 can further improve the overall corrosion resistance. At the same time, the polypropylene film layer 5 and the polyester film layer 4 can improve the overall toughness and ensure that the overall film has a higher compressive resistance.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high voltage corrosion resistant capacitor film, comprising a capacitor film layer (1), characterized in that: The top of the capacitor film layer (1) is fixedly connected to an insulating layer (2), the top of the insulating layer (2) is fixedly connected to an anti-corrosion layer (3), the top of the anti-corrosion layer (3) is fixedly connected to a polyester film layer (4), and the top of the polyester film layer (4) is fixedly connected to a polypropylene film layer (5).

2. The high voltage corrosion resistant capacitor film according to claim 1, characterized in that: The insulating layer (2) is made of polyester insulating material.

3. The high voltage corrosion resistant capacitor film according to claim 1, characterized in that: The anti-corrosion layer (3) is made of anti-corrosion and heat-insulating paint.

4. The high voltage corrosion resistant capacitor film according to claim 1, characterized in that: The polyester film layer (4) is made of polyester resin material.

5. The high voltage corrosion resistant capacitor film according to claim 1, characterized in that: The polypropylene film layer (5) is made of polypropylene material.

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