Fire-resistant arc-resistant flame-retardant wrapping tape

Abstract

The utility model belongs to the technical field of power cables, and discloses a fire-resistant arc-resistant flame-retardant wrapping tape, which comprises a base layer, fire-resistant flame-retardant layers, arc-resistant layers and protective coatings, the fire-resistant flame-retardant layers are adhered to two sides of the base layer through silicone rubber glue, the arc-resistant layers are arranged on two sides of the fire-resistant flame-retardant layers through silicone rubber glue, and the protective coatings are arranged on the two sides of the fire-resistant flame-retardant layers. The protective coatings are arranged on the two sides of the arc-resistant layer in a spraying mode, the base layer is made of glass fiber cloth, the thickness of the base layer is the sum of the thickness of the single-side fire-resistant flame-retardant layer and the thickness of the arc-resistant layer, and the fire-resistant flame-retardant layer is made of polyetherimide. The arc-resistant layer is made of chlorotrifluoroethylene, the thickness of the fire-resistant flame-retardant layer is the same as that of the arc-resistant layer, and the protective coating is one or two of a polytetrafluoroethylene coating, a fluorinated ethylene-vinyl fluorine-containing acrylic acid copolymer coating, an acrylate polymer coating and an inorganic coating. According to the utility model, the resistance-resistant performance of the wrapping tape can be improved, and the fire-resistant and flame-retardant performance of the wrapping tape can also be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power cable technical field especially relates to a fire -resistant arc -resistant flame -retardant wrapping tape. BACKGROUND

[0002] The fire -resistant arc -resistant flame -retardant wrapping tape is a kind of wrapping tape made of special material, is used to prevent fire, prevent the fire caused by arc and the protection of electrical equipment, the wrapping tape has good flame -retardant, fire -resistant and arc -resistant performance, can keep stable performance under high temperature and arc for a long time, so that equipment and facilities are better protected.

[0003] The patent with the announcement number CN216212497U discloses a fire -resistant arc -resistant flame -retardant wrapping tape, including glass fiber cloth, fire -retardant layer coated on the one side of glass fiber cloth, semi -conductive coating coated on the other side of glass fiber cloth and the surface of fire -retardant layer.The utility model fire -retardant layer sintering into shell when high temperature, can reach fire -retardant effect, the surface semi -conductive coating is favorable to the operation safety of cable and maintenance personnel, also has very good waterproof, salt -resistant and acid -alkali resistance, also can be favorable to the heat dissipation of cable load, ensure non -toxic environmental protection when burning, cable outer surface contact surface and the outer surface exposed to air are semi -conductive coating, the interface of the wrapping when is semi -conductive coating, forms multiple closed loops from cable outer surface and wrapping outer surface, does not affect current -carrying, avoids the fire caused by short circuit, also can provide time for fire -retardant layer sintering into shell, ensure that whether from internal fire or external fire can effectively flame -retardant, protect cable safety, but the present application person gradually found in application above -mentioned wrapping tape: the arc -resistant performance of the wrapping tape is poor, therefore, we propose a fire -resistant arc -resistant flame -retardant wrapping tape. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research thereon, and after a lot of creative labor, the present utility model has been completed.

[0005] Specifically, the technical problem to be solved by the present utility model is to provide a fire -resistant arc -resistant flame -retardant wrapping tape to solve the technical problem of poor arc -resistant performance of the current fire -resistant arc -resistant flame -retardant wrapping tape.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions:

[0007] A fire -resistant arc -resistant flame -retardant wrapping tape, including base layer, fire -resistant flame -retardant layer, arc -resistant layer and protective coating, the fire -resistant flame -retardant layer is glued on both sides of the base layer by silicone rubber glue, the arc -resistant layer is arranged on both sides of the fire -resistant flame -retardant layer by silicone rubber glue, and the protective coating is sprayed on both sides of the arc -resistant layer.

[0008] As an improved technical scheme, the base layer is arranged by using glass fiber cloth, and the thickness of the base layer is the sum of the thicknesses of the single-sided fire-resistant and flame-retardant layer and the electric arc-resistant layer.

[0009] As an improved technical scheme, the fire-resistant and flame-retardant layer is arranged by using polyetherimide.

[0010] The electric arc-resistant layer is arranged by using trifluorochloroethylene, and the thickness of the fire-resistant and flame-retardant layer is the same as that of the electric arc-resistant layer.

[0011] As an improved technical scheme, the protective coating is one or two of a polytetrafluoroethylene coating, a fluorinated ethylene-vinyl fluoride propylene acid copolymer coating, an acrylate polymer coating and an inorganic coating.

[0012] The thickness of the protective coating is one fourth of the thickness of the fire-resistant and flame-retardant layer / electric arc-resistant layer.

[0013] As an improved technical scheme, the overall thickness of the base layer, the fire-resistant and flame-retardant layer, the electric arc-resistant layer and the protective coating is not greater than 0.75 mm.

[0014] After the above technical scheme is adopted, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses an electric arc-resistant wrapping tape, which comprises a base layer, a fire-resistant and flame-retardant layer, an electric arc-resistant layer and a protective coating arranged on the base layer in sequence.

[0016] 2. The utility model discloses an electric arc-resistant wrapping tape, which comprises a base layer, a fire-resistant and flame-retardant layer, an electric arc-resistant layer and a protective coating arranged on the base layer in sequence.

[0017] 3. The utility model discloses an electric arc-resistant wrapping tape, which comprises a base layer, a fire-resistant and flame-retardant layer, an electric arc-resistant layer and a protective coating arranged on the base layer in sequence.

[0018] 4. The utility model discloses an electric arc-resistant wrapping tape, which comprises a base layer, a fire-resistant and flame-retardant layer, an electric arc-resistant layer and a protective coating arranged on the base layer in sequence. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is an overall structure schematic diagram of the fire-resistant arc-resistant flame-retardant wrapping tape of the present application.

[0021] Figure 2 It is an overall cut structure schematic diagram of the fire-resistant arc-resistant flame-retardant wrapping tape of the present application.

[0022] Figure 3 It is an overall cut structure schematic diagram of the fire-resistant arc-resistant flame-retardant wrapping tape of the present application. Figure 2 It is an enlarged structure schematic diagram of A in the middle.

[0023] Explanation of reference signs:

[0024] In the drawings: 1, base layer; 2, fire-resistant flame-retardant layer; 3, arc-resistant layer; 4, protective coating. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0027] Meanwhile, the meaning of "and / or" or "and / or" in the whole text is that three schemes are included. Taking "A and / or B" as an example, the A scheme, the B scheme, or the scheme of A and B being satisfied at the same time are included.

[0028] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0029] Referring to Figures 1-3 , a kind of fire-resistant arc-resistant flame-retardant wrapping is provided, and the fire-resistant arc-resistant flame-retardant wrapping includes, base layer 1, fire-retardant layer 2, arc-resistant layer 3 and protective coating 4, fire-retardant layer 2 is glued on both sides of base layer 1 by silicone rubber glue, arc-resistant layer 3 is set on both sides of fire-retardant layer 2 by silicone rubber glue, protective coating 4 is sprayed on both sides of arc-resistant layer 3.

[0030] Referring to Figure 2 And Figure 3 , base layer 1 is set using glass fiber cloth, and the thickness of base layer 1 is the sum of the thickness of single-sided fire-retardant layer 2 and arc-resistant layer 3, in application, base layer 1 is set by glass fiber cloth, since glass fiber is made by weaving, weaving, printing and other processing technology, it has good high temperature resistance, corrosion resistance, wear resistance, tensile resistance and electrical insulation, so that the wrapping has good high temperature resistance and tensile strength, so as to improve the high temperature resistance and tensile strength performance of the wrapping, and further facilitate to prolong the service life of the wrapping.

[0031] Referring to Figure 2 And Figure 3 , fire-retardant layer 2 is set using polyetherimide;

[0032] Arc-resistant layer 3 is set using trifluorochloroethylene, and the thickness of fire-retardant layer 2 is the same as the thickness of arc-resistant layer 3, in application, fire-retardant layer 2 is set using polyetherimide, since polyetherimide has good high temperature resistance, wear resistance, flame retardance and chemical corrosion resistance, it can maintain stable performance at a high temperature below 300 DEG C, so that the wrapping has good fire-retardant performance, so as to improve the fire-retardant performance of the wrapping.

[0033] Arc-resistant layer 3 is set using trifluorochloroethylene, since it has excellent electrical insulation, flame retardance and chemical resistance, and can maintain good performance in an environment of -200 DEG C to 150 DEG C, so that the wrapping has good arc resistance, so as to improve the arc resistance of the wrapping.

[0034] Referring to Figures 1-3The protective coating 4 is one or two of a polytetrafluoroethylene coating, a fluorinated ethylene-vinyl fluoride propylene acid copolymer coating, an acrylate polymer coating, and an inorganic coating (including aluminum oxide, iron phosphate, titanium dioxide, etc.);

[0035] The thickness of the protective coating 4 is one quarter of the fire-retardant layer 2 / arc-resistant layer 3, and in application, the protective coating 4 is various, can be selected according to market demand, has wide application surface, and is convenient to use.

[0036] Referring to Figures 1-3 The overall thickness of the base layer 1, the fire-retardant layer 2, the arc-resistant layer 3, and the protective coating 4 is not greater than 0.75 mm.

[0037] It should be understood that the use of these embodiments is only for illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. A fire resistant arc resistant flame resistant wrap, characterized by: It comprises a base layer (1), a fire-retardant layer (2), an arc-resistant layer (3) and a protective coating (4), the fire-retardant layer (2) is adhered to both sides of the base layer (1) by silicone rubber glue, the arc-resistant layer (3) is adhered to both sides of the fire-retardant layer (2) by silicone rubber glue, and the protective coating (4) is sprayed on both sides of the arc-resistant layer (3).

2. The fire resistant arc resistant flame retardant wrap of claim 1, wherein: The base layer (1) is made of glass fiber cloth, and the thickness of the base layer (1) is the sum of the thicknesses of the fire-retardant layer (2) and the arc-resistant layer (3) on one side.

3. The fire resistant arc resistant flame retardant wrap of claim 2, wherein: The fire-retardant layer (2) is made of polyetherimide. The arc-resistant layer (3) is made of trifluorochloroethylene, and the thickness of the fire-retardant layer (2) is the same as that of the arc-resistant layer (3).

4. The fire resistant arc resistant flame retardant wrap of claim 3, wherein: The protective coating (4) is one or two of polytetrafluoroethylene coating, fluorinated ethylene-vinyl fluoride propylene acid copolymer coating, acrylate polymer coating and inorganic coating. The thickness of the protective coating (4) is one quarter of the thickness of the fire-retardant layer (2) / arc-resistant layer (3).

5. The fire resistant arc resistant flame retardant wrap of claim 4, wherein: The overall thickness of the base layer (1), the fire-retardant layer (2), the arc-resistant layer (3) and the protective coating (4) is not more than 0.75 mm.

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