A flexible cable with cold resistance
By using silicone rubber insulating material, polyurethane material and electric heating fabric layer in the cable, the problem of insulating freezing cracks and wire brittle breakage caused by low temperature in cold environments is solved, and the cold resistance and flexibility of the cable are achieved.
Patent Information
- Application Number
- CN202421164569.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-23
AI Technical Summary
In cold environments, existing cables are prone to freezing and cracking of insulation due to low temperatures, which can speed up aging and reduce flexibility and practicality.
A flexible cable with cold resistance is designed, using silicone rubber insulating material and polyurethane material as reinforcement layers, and the electric heating fabric layer is energized to heat the cable layers to avoid hardening or brittle breakage caused by severe cold.
By heating all layers of the cable, maintain flexibility, extend service life, increase the practicality and cold resistance of the cable, avoiding insulation damage and wire damage caused by low temperatures.
Smart Images

Figure CN222705195U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cables, in particular to a flexible cable with cold resistance. Background Art
[0002] Cables are common devices for transmitting electrical energy or signals. Most cables have the advantages of being able to bend and deform and not easily break. Cables are widely used in life. According to the application environment of cables, cables on the market are divided into waterproof type, high temperature resistant type, etc.
[0003] However, some cables are operated outdoors for a long time, laid vertically in the air, frequently twisted, and exposed to oil and seawater corrosion. Cables in cold areas, in particular, must be resistant to low temperatures. When used in high-cold environments, cables often suffer accidents due to insulation freezing and cracking, and conductor brittle breaking due to low temperatures, which accelerates the aging of cables, reduces their flexibility, and thus reduces their practicality. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a flexible cable with cold resistance, which has the advantages of preventing the cable core, wire core insulation layer, filling layer, reinforcement layer, inner insulation layer, outer insulation layer, thermal insulation layer, glass fiber cloth layer, rubber layer, anti-wear layer, etc. from becoming hard and brittle due to severe cold, thereby ensuring the flexibility of the cable, ensuring the service life of the cable, thereby increasing the practicality of the cable, and also ensuring the cold resistance of the cable. It solves the problem that the electric heating fabric layer is energized, so that the electric heating fabric layer can heat the cable core, wire core insulation layer, filling layer, reinforcement layer, inner insulation layer, outer insulation layer, thermal insulation layer, glass fiber cloth layer, rubber layer, anti-wear layer, etc., thereby preventing the cable core, wire core insulation layer, filling layer, reinforcement layer, inner insulation layer, outer insulation layer, thermal insulation layer, glass fiber cloth layer, rubber layer, anti-wear layer, etc. from becoming hard and brittle due to severe cold, thereby ensuring the flexibility of the cable, ensuring the service life of the cable, thereby increasing the practicality of the cable, and also ensuring the cold resistance of the cable.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cold-resistant flexible cable, comprising a plurality of cable cores, the outer surfaces of the plurality of cable cores are fixedly covered with a core insulation layer, and the core insulation layer is made of silicone rubber insulation material;
[0008] Wherein, a reinforcement layer is arranged outside the wire core insulation layer;
[0009] Among them, the reinforcement layer is made of polyurethane material;
[0010] The reinforcing layer is sheathed with a filling layer, and the filling layer is sheathed outside the wire core insulation layer;
[0011] Wherein, the filling layer is made of rubber material;
[0012] Wherein, a heating mechanism is arranged outside the reinforcement layer.
[0013] Preferably, the heating mechanism comprises an inner insulating layer, and the inner insulating layer is sleeved on the outer surface of the reinforcing layer;
[0014] Among them, the inner insulation layer is made of fluoroplastic material;
[0015] Wherein, an electric heating fabric layer is provided outside the inner insulating layer;
[0016] Among them, the electric heating fabric layer includes a base material and a conductive material. The electric heating fabric layer uses glass fiber fabric as the base material and matches it with the conductive material. Metal copper wire is used as the conductive material. An insulating coating is arranged on the outside of the metal copper wire, so that the metal copper wire and yarn are mixed to form a woven electric heating fabric layer.
[0017] Preferably, the electrically heated fabric layer is covered with an outer insulating layer;
[0018] Among them, the outer insulation layer is also made of fluoroplastic material;
[0019] Wherein, the outer insulating layer is provided with a heat preservation layer;
[0020] Among them, the insulation layer is made of polyurethane material.
[0021] Preferably, the outer jacket of the thermal insulation layer is provided with a glass fiber cloth layer;
[0022] Among them, the glass fiber cloth layer is made of glass fiber cloth;
[0023] Wherein, the outer cover of the glass fiber cloth layer is provided with a rubber layer;
[0024] Among them, the rubber layer is made of rubber material.
[0025] Preferably, the rubber layer outer shell is provided with an anti-friction layer.
[0026] (III) Beneficial effects
[0027] Compared with the prior art, the utility model provides a cold-resistant flexible cable, which has the following beneficial effects:
[0028] 1. The electric heating fabric layer of the cold-resistant flexible cable is energized, so that the electric heating fabric layer can heat the cable core, wire core insulation layer, filling layer, reinforcement layer, inner insulation layer, outer insulation layer, thermal insulation layer, glass fiber cloth layer, rubber layer, anti-wear layer, etc., thereby preventing the cable core, wire core insulation layer, filling layer, reinforcement layer, inner insulation layer, outer insulation layer, thermal insulation layer, glass fiber cloth layer, rubber layer, anti-wear layer, etc. from becoming hard and brittle due to severe cold, thereby ensuring the flexibility of the cable, ensuring the service life of the cable, thereby increasing the practicality of the cable and ensuring the cold resistance of the cable.
[0029] 2. The inner insulation layer of the cold-resistant flexible cable is made of fluoroplastic material. The fluoroplastic material has excellent electrical insulation properties and can block the electric heating fabric layer and the cable core, thereby ensuring the safety of the cable.
[0030] 3. The glass fiber cloth layer of the cold-resistant flexible cable is made of glass fiber cloth, which has good strength and toughness, thereby increasing the strength of the cable.
[0031] 4. The filling layer of the cold-resistant flexible cable is made of rubber material, and the rubber material has good toughness and elasticity, so it can protect the cable core and increase the strength of the cable.
[0032] 5. The reinforcement layer of the cold-resistant flexible cable is made of polyurethane material, which has excellent elasticity, elongation, compression strength and softness, thereby ensuring the flexibility of the cable core. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] Figure 1 This is a schematic diagram of the overall structure of a cold-resistant flexible cable of the utility model;
[0034] Figure 2 The utility model is a schematic diagram of a cold-resistant flexible cable structure.
[0035] In the figure: 1. Cable core; 2. Wire core insulation layer; 3. Filling layer; 4. Reinforcement layer; 5. Inner insulation layer; 6. Electric heating fabric layer; 7. Outer insulation layer; 8. Thermal insulation layer; 9. Glass fiber cloth layer; 10. Rubber layer; 11. Anti-wear layer. DETAILED DESCRIPTION
[0036] 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.
[0037] See also Figure 1-2 The utility model provides a new technical solution: a cold-resistant flexible cable, comprising a plurality of cable cores 1, the outer surfaces of the plurality of cable cores 1 are fixedly sleeved with a core insulation layer 2, and the core insulation layer 2 is made of silicone rubber insulation material, and the silicone rubber has good insulation performance, thereby playing an insulating role for the cable core 1;
[0038] Wherein, a reinforcement layer 4 is arranged outside the wire core insulation layer 2;
[0039] Among them, the reinforcement layer 4 is made of polyurethane material, which has excellent elasticity, elongation, compression strength and softness, thereby ensuring the flexibility of the cable core;
[0040] The reinforcing layer 4 is sheathed with a filling layer 3, and the filling layer 3 is sheathed outside the wire core insulation layer 2;
[0041] The filling layer 3 is made of rubber material, which has good toughness and elasticity, and can protect the cable core 1 and increase the strength of the cable.
[0042] Wherein, a heating mechanism is arranged outside the reinforcement layer 4 .
[0043] Furthermore, the heating mechanism comprises an inner insulating layer 5, and the inner insulating layer 5 is sleeved on the outer surface of the reinforcing layer 4;
[0044] The inner insulating layer 5 is made of fluoroplastic material, which has excellent electrical insulation properties and can block the electric heating fabric layer 6 and the cable core 1, thereby ensuring the safety of the cable.
[0045] Wherein, the inner insulating layer 5 is covered with an electric heating fabric layer 6;
[0046] Among them, the electric heating fabric layer 6 includes a base material and a conductive material. In this embodiment, the electric heating fabric layer 6 uses glass fiber fabric as the base material, and matches it with a conductive material. Metal copper wire is used as the conductive material, and an insulating coating is provided on the outside of the metal copper wire, so that the metal copper wire and yarn are mixed to weave the electric heating fabric layer 6.
[0047] Furthermore, electrically heated fabrics are prior art and will not be described in detail herein.
[0048] Furthermore, the electrically heated fabric layer 6 is covered with an outer insulating layer 7;
[0049] The outer insulating layer 7 is also made of fluoroplastic material, thereby protecting the electric heating fabric layer 6 and ensuring the safety of the cable;
[0050] Wherein, the outer insulating layer 7 is covered with a heat preservation layer 8;
[0051] Among them, the insulation layer 8 is made of polyurethane material, which has strong low temperature resistance, thereby increasing the cold resistance of the cable.
[0052] Furthermore, the heat-insulating layer 8 is provided with a glass fiber cloth layer 9;
[0053] The glass fiber cloth layer 9 is made of glass fiber cloth, which has good strength and toughness, thereby increasing the strength of the cable.
[0054] The glass fiber cloth layer 9 is covered with a rubber layer 10;
[0055] The rubber layer 10 is made of rubber material.
[0056] Furthermore, an anti-friction layer 11 is provided on the outer cover of the rubber layer 10 .
[0057] Furthermore, when in use, the electric heating fabric layer 6 is energized, so that the electric heating fabric layer 6 can heat the cable core 1, the wire core insulation layer 2, the filling layer 3, the reinforcement layer 4, the inner insulation layer 5, the outer insulation layer 7, the thermal insulation layer 8, the glass fiber cloth layer 9, the rubber layer 10, the anti-wear layer 11, etc., thereby preventing the cable core 1, the wire core insulation layer 2, the filling layer 3, the reinforcement layer 4, the inner insulation layer 5, the outer insulation layer 7, the thermal insulation layer 8, the glass fiber cloth layer 9, the rubber layer 10, the anti-wear layer 11, etc. from becoming hardened or brittle due to severe cold, thereby ensuring the flexibility of the cable, ensuring the service life of the cable, thereby increasing the practicality of the cable, and also ensuring the cold resistance of the cable.
[0058] Furthermore, this solution is only applicable to low temperature and high cold environments.
[0059] Working principle: When the device is used, the electric heating fabric layer 6 includes a substrate and a conductive material. In this solution, the electric heating fabric layer 6 uses glass fiber fabric as the substrate and matches the conductive material. Metal copper wire is used as the conductive material. An insulating coating is provided on the outside of the metal copper wire, so that the metal copper wire and the yarn are mixed to weave the electric heating fabric layer 6. When in use, the electric heating fabric layer 6 is energized so that the electric heating fabric layer 6 can heat the cable core 1, the core insulation layer 2, the filling layer 3, the reinforcement layer 4, the inner insulation layer 5, the outer insulation layer 7, the thermal insulation layer 8, the glass fiber cloth layer 9, the rubber layer 10, the anti-wear layer 11, etc., so as to avoid the cable core 1, the core insulation layer 2, the filling layer 3, the reinforcement layer 4, the inner insulation layer 5, the outer insulation layer 7, the thermal insulation layer 8, the glass fiber cloth layer 9, the rubber layer 10, the anti-wear layer 11, etc. from becoming hard and brittle due to severe cold, thereby ensuring the flexibility of the cable, ensuring the service life of the cable, thereby increasing the practicality of the cable, and also ensuring the cold resistance of the cable.
[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cold-resistant flexible cable, comprising a plurality of cable cores (1), characterized in that: The outer surfaces of the plurality of cable cores (1) are all fixedly covered with a core insulation layer (2), and the core insulation layer (2) is made of silicone rubber insulation material; Wherein, a reinforcement layer (4) is arranged outside the wire core insulation layer (2); Wherein, the reinforcement layer (4) is made of polyurethane material; The reinforcing layer (4) is sheathed with a filling layer (3), and the filling layer (3) is sheathed outside the wire core insulation layer (2); Wherein, the filling layer (3) is made of rubber material; Wherein, a heating mechanism is arranged outside the reinforcement layer (4).
2. The cold-resistant flexible cable according to claim 1, characterized in that: The heating mechanism comprises an inner insulating layer (5), wherein the inner insulating layer (5) is sleeved on the outer surface of the reinforcing layer (4); Wherein, the inner insulating layer (5) is made of fluoroplastic material; Wherein, the inner insulating layer (5) is covered with an electric heating fabric layer (6); The electric heating fabric layer (6) comprises a base material and a conductive material. The electric heating fabric layer (6) uses glass fiber fabric as the base material and matches the conductive material. Metal copper wire is used as the conductive material. An insulating coating is provided on the outside of the metal copper wire, so that the metal copper wire and the yarn are mixed to weave the electric heating fabric layer (6).
3. The cold-resistant flexible cable according to claim 2, characterized in that: The electrically heated fabric layer (6) is covered with an outer insulating layer (7); Wherein, the outer insulating layer (7) is also made of fluoroplastic material; Wherein, the outer insulating layer (7) is provided with a heat-insulating layer (8) outside; Wherein, the thermal insulation layer (8) is made of polyurethane.
4. The cold-resistant flexible cable according to claim 3, characterized in that: The heat-insulating layer (8) is covered with a glass fiber cloth layer (9); Wherein, the glass fiber cloth layer (9) is made of glass fiber cloth; Wherein, the outer cover of the glass fiber cloth layer (9) is provided with a rubber layer (10); Wherein, the rubber layer (10) is made of rubber material.
5. The cold-resistant flexible cable according to claim 4, characterized in that: The outer cover of the rubber layer (10) is provided with an anti-friction layer (11).