Green environment-friendly high-temperature-resistant fire-resistant flexible cable with polyolefin insulation and polyolefin sheath

Abstract

The utility model discloses a polyolefin insulation polyolefin sheath green environment-friendly high-temperature-resistant fireproof flexible cable, and relates to the technical field of cables. The cable comprises an inner conductor, a polyethylene sleeve layer is arranged outside the inner conductor, a filling layer is arranged outside the polyethylene sleeve layer, an insulating layer is arranged outside the filling layer, an isolating layer is arranged outside the insulating layer, a high-temperature-resistant layer is arranged outside the isolating layer, a first flame-retardant layer is arranged outside the high-temperature-resistant layer, and a second flame-retardant layer is arranged outside the second flame-retardant layer. A first flame-retardant layer is arranged outside the cable body, a second flame-retardant layer is arranged outside the first flame-retardant layer, a wear-resistant layer is arranged outside the second flame-retardant layer, an anti-oxidation coating is arranged outside the wear-resistant layer, and the number of the polyethylene jacket layers is five. According to the utility model, the high-temperature-resistant layer, the flame-retardant layer I, the flame-retardant layer II, the insulating layer and the anti-oxidation coating are arranged, so that the whole cable has the effects of environmental protection and high temperature resistance when a fire disaster occurs, and the problems that the cable is easy to burn to cause the fire disaster, the potential safety hazard is increased and the harm is caused to people are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a polyolefin insulated polyolefin sheathed green, environment-friendly, high-temperature-resistant and fire-resistant soft cable. Background Art

[0002] With the rapid development of society and the rapid development of the information society, electronic signal transmission is needed in any field today. Signal current transmission requires the installation and use of cables. The use of cables is wide. Traditional transmission signal cables have poor protection effects when used, and poor high temperature resistance when used.

[0003] The existing soft cables do not have good flame retardant and fire resistant properties. The cables are easy to burn and cause fires, which increases safety hazards and causes harm to the public, which is not conducive to widespread promotion. In response to the above problems, the inventors propose a polyolefin insulated, polyolefin sheathed, green, environmentally friendly, high-temperature and fire-resistant soft cable to solve the above problems. Utility Model Content

[0004] In order to solve the problem that cables are easy to burn and cause fires, which increases safety hazards and causes harm to people; the purpose of the utility model is to provide a polyolefin insulated, polyolefin sheathed, green, environmentally friendly, high-temperature and fire-resistant soft cable.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a polyolefin insulated polyolefin sheathed green environmentally friendly high temperature resistant and fire resistant soft cable, comprising an inner conductor, a polyethylene sheath is provided on the outside of the inner conductor, a filling layer is provided on the outside of the polyethylene sheath, an insulating layer is provided on the outside of the filling layer, an isolation layer is provided on the outside of the insulating layer, a high temperature resistant layer is provided on the outside of the isolation layer, a flame retardant layer one is provided on the outside of the high temperature resistant layer, a flame retardant layer two is provided on the outside of the flame retardant layer one, a wear-resistant layer is provided on the outside of the flame retardant layer two, and an anti-oxidation coating is provided on the outside of the wear-resistant layer.

[0006] Preferably, the number of the polyethylene jacket layers is five, and the five groups of polyethylene jacket layers are evenly distributed in an array inside the filling layer, and the insulating layer is made of rubber material.

[0007] Preferably, the first flame retardant layer is made of flame retardant polyvinyl chloride material or flame retardant polyethylene material, and the second flame retardant layer is made of flame retardant polyurethane material or cross-linked polyethylene material.

[0008] Preferably, the anti-oxidation coating is a galvanized coating material or an aluminum oxide coating material.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. The purpose of the present invention is to effectively protect the internal structure of the cable from external damage and enhance the structural stability and tensile strength of the cable by arranging a polyethylene sheath outside the inner conductor;

[0011] 2. In the utility model, a high temperature resistant layer, a flame retardant layer 1, a flame retardant layer 2, an insulating layer, and an antioxidant coating are provided, so that the whole has the effects of environmental protection and high temperature resistance when a fire occurs, thereby solving the problem that the cable is easy to burn and cause a fire, improving safety hazards, and causing harm to the public. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the filling layer structure of the utility model.

[0015] In the figure: 1. inner conductor; 11. polyethylene sheath; 12. filling layer; 2. insulating layer; 3. isolation layer; 4. high temperature resistant layer; 5. flame retardant layer 1; 6. flame retardant layer 2; 7. wear-resistant layer; 8. antioxidant coating. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments 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 in 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.

[0017] Example: Figure 1-2 As shown, the utility model provides a technical solution: a polyolefin insulated polyolefin sheathed green environmentally friendly high temperature resistant and fire resistant soft cable, comprising an inner conductor 1, a polyethylene sheath 11 is provided on the outside of the inner conductor 1, a filling layer 12 is provided on the outside of the polyethylene sheath 11, an insulating layer 2 is provided on the outside of the filling layer 12, an isolation layer 3 is provided on the outside of the insulating layer 2, a high temperature resistant layer 4 is provided on the outside of the isolation layer 3, a flame retardant layer 1 5 is provided on the outside of the high temperature resistant layer 4, a flame retardant layer 1 5 is provided on the outside of the flame retardant layer 1 6, a wear-resistant layer 7 is provided on the outside of the flame retardant layer 2 6, and an anti-oxidation coating 8 is provided on the outside of the wear-resistant layer 7.

[0018] The number of the polyethylene jacket layers 11 is five, and the five groups of polyethylene jacket layers 11 are evenly distributed in an array inside the filling layer 12 .

[0019] By adopting the above technical solution, the polyethylene sheath 11 is provided to effectively protect the internal structure of the cable from external damage and influence.

[0020] The insulating layer 2 is made of rubber material.

[0021] By adopting the above technical solution, the insulating layer 2 is provided in order to slow down the spread of flames when a fire occurs, thereby preventing the fire from causing greater damage.

[0022] The flame retardant layer 1 5 is made of flame retardant polyvinyl chloride material or flame retardant polyethylene material.

[0023] By adopting the above technical solution, the flame retardant polyvinyl chloride material can reduce the release of toxic gases when a fire occurs.

[0024] The second flame retardant layer 6 is made of flame retardant polyurethane material or cross-linked polyethylene material.

[0025] By adopting the above technical solution, the cross-linked polyethylene material can slow down the spread of fire when a fire occurs and improve the overall heat resistance of the cable.

[0026] The anti-oxidation coating 8 is a galvanized coating material or an aluminum oxide coating material.

[0027] By adopting the above technical solution, the galvanized coating material has excellent anti-oxidation and anti-corrosion properties, wherein the aluminum oxide coating material has good high temperature resistance.

[0028] Working principle: When the device is used, the signal docking transmission will be completed under the action of the inner conductor 1. The polyethylene sheath 11 is set to effectively protect the internal structure of the cable from external damage and influence. The filling layer 12 is set to enhance the structural stability and tensile strength of the cable, and also to reduce the electrical stress concentration inside the cable. The insulating layer 2 and the antioxidant coating 8 are set to increase the antioxidant and corrosion resistance. The high temperature resistant layer 4 is set to improve the high temperature resistance. The flame retardant layer 1 5 and the flame retardant layer 2 6 are set to slow down the spread of fire and reduce the release of toxic gases in the cable as a whole when a fire occurs, so that the whole has the effect of environmental protection and high temperature resistance when a fire occurs, thereby solving the problem that the cable is easy to burn and catch fire, improving safety hazards and causing harm to the public.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A polyolefin insulated, polyolefin sheathed, green, environmentally friendly, high temperature resistant and fire resistant flexible cable, comprising an inner conductor (1), characterized in that: The inner conductor (1) is provided with a polyethylene sheath (11) on the outside, the polyethylene sheath (11) is provided with a filling layer (12) on the outside, the filling layer (12) is provided with an insulating layer (2) on the outside, the insulating layer (2) is provided with an isolation layer (3) on the outside, the isolation layer (3) is provided with a high temperature resistant layer (4) on the outside, the high temperature resistant layer (4) is provided with a first flame retardant layer (5) on the outside, the first flame retardant layer (5) is provided with a second flame retardant layer (6) on the outside, the second flame retardant layer (6) is provided with a wear-resistant layer (7) on the outside, and the wear-resistant layer (7) is provided with an anti-oxidation coating (8) on the outside.

2. A polyolefin insulated polyolefin sheathed green environmentally friendly high temperature resistant and fire resistant flexible cable as claimed in claim 1, characterized in that: The number of the polyethylene jacket layers (11) is five groups, and the five groups of polyethylene jacket layers (11) are evenly distributed in an array inside the filling layer (12).

3. A polyolefin insulated polyolefin sheathed green environmentally friendly high temperature resistant and fire resistant flexible cable as claimed in claim 1, characterized in that: The insulating layer (2) is made of rubber material.

4. A polyolefin insulated polyolefin sheathed green environmentally friendly high temperature resistant and fire resistant flexible cable as claimed in claim 1, characterized in that: The flame retardant layer 1 (5) is made of flame retardant polyvinyl chloride material or flame retardant polyethylene material.

5. A polyolefin insulated polyolefin sheathed green environmentally friendly high temperature resistant and fire resistant flexible cable as claimed in claim 1, characterized in that: The second flame retardant layer (6) is made of flame retardant polyurethane material or cross-linked polyethylene material.

6. A polyolefin insulated polyolefin sheathed green environmentally friendly high temperature resistant and fire resistant flexible cable as claimed in claim 1, characterized in that: The anti-oxidation coating (8) is a galvanized coating material or an aluminum oxide coating material.

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