High-toughness reinforced cable
By introducing a highly elastic silicone buffer layer, a carbon fiber tensile reinforcement layer, and a self-healing coating into the cable, the damage problem of traditional cables under frequent bending or stretching is solved, achieving a combination of high toughness and reinforcement capabilities, and improving the stability and durability of the cable.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-03
AI Technical Summary
Traditional cables are easily damaged by external forces when frequently bent or stretched, affecting their stability and practicality.
The cable's toughness and damage resistance are enhanced by using a buffer layer made of highly elastic silicone and a tensile reinforcement layer made of carbon fiber braid, combined with a self-healing coating and a biomimetic texture layer.
It improves the cable's resistance to damage and service life, enhances its environmental adaptability, reduces maintenance costs, and improves its abrasion resistance and reliability.
Smart Images

Figure CN224082223U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cable technology, specifically to a high-toughness reinforced cable. Background Technology
[0002] Cables are a combination of conductors used to transmit electrical energy or signals. They are widely used in various power systems and communication networks. In power systems, cables are used to transmit and distribute high-power electrical energy and are an important component of the main power lines. In information transmission systems, cables are used to transmit audio, video, data and other telecommunication information. In addition, in mechanical equipment and instrumentation systems, cables also play an important role in connecting power sources, transmitting signals and control signals. In power transmission and communication systems, cables serve as an important carrier for information transmission and power distribution, and their quality and performance are directly related to the stability and reliability of the entire system.
[0003] For example, the authorized patent (a cable) with announcement number CN203839098U includes an inner core and a sheath layer. The inner core consists of a conductor, an insulation layer, and glass fibers from the inside out. The sheath layer includes a sun-proof layer and a fire-resistant layer. The fire-resistant layer is connected to the glass fibers, and the sun-proof layer is wrapped around the fire-resistant layer. The thickness of the sun-proof layer is 1-2 mm, and the thickness of the fire-resistant layer is 0.5-1 mm.
[0004] While the aforementioned existing technologies enable long-term fire and sun protection, traditional cables often neglect environmental adaptability in their design. In complex and ever-changing real-world environments, especially during frequent bending or stretching, cables are easily damaged by external forces, affecting their stability and practicality. Therefore, the market urgently needs to develop a high-toughness reinforced cable to help people solve existing problems. Utility Model Content
[0005] The purpose of this invention is to provide a high-toughness reinforced cable to solve the problem mentioned in the background art that the cable is easily damaged by external force when frequently bent or stretched, which affects the stability and practicality of the cable.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-toughness reinforced cable, comprising a cable body, the cable body comprising a functional sleeve and a cable core, the cable core being disposed inside the functional sleeve, the functional sleeve comprising an insulating shielding layer, a buffer layer, an inner sheath layer, a tensile reinforcement layer, a water-blocking layer, a fireproof layer, and an outer sheath layer, the insulating shielding layer, buffer layer, inner sheath layer, tensile reinforcement layer, water-blocking layer, fireproof layer, and outer sheath layer being arranged sequentially from the inside to the outside, the buffer layer being made of high-elasticity silicone, and the tensile reinforcement layer being configured as a mesh structure woven from carbon fiber.
[0007] Preferably, the insulating shielding layer is made of a semi-conductive polymer material, and the outside of the insulating shielding layer is wrapped with a metal foil.
[0008] Preferably, both the inner and outer sheaths are made of polyvinyl chloride, the water-blocking layer is made of polyvinyl alcohol, and the fireproof layer is made of flame-retardant polyolefin.
[0009] Preferably, the outer sheath layer is coated with a self-healing coating, and the self-healing coating is a self-healing polymer containing microcapsules. The outer side of the self-healing coating of the outer sheath layer is provided with a biomimetic texture layer, and the biomimetic texture layer is a polymer with a sharkskin-like structure.
[0010] Preferably, the cable core includes conductors and filler material, and multiple conductors are provided.
[0011] Preferably, the conductor includes a core, a semi-conductive shielding layer, and an insulating layer, which are arranged sequentially from the inside to the outside. The semi-conductive shielding layer is made of a semi-conductive polymer material, and the insulating layer is made of cross-linked polyethylene material.
[0012] Preferably, the outer surface of the insulation layer of the conductor is provided with an identification strip.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] (1) This utility model sets a buffer layer and a tensile reinforcement layer inside the functional sleeve. The buffer layer is made of high elastic silicone, which can effectively absorb external impact and vibration, improve the toughness of the cable, and reduce damage caused by frequent bending or stretching. The tensile reinforcement layer is made of a mesh structure woven from carbon fiber, which can maintain structural stability under high-intensity tensile or compressive environment, thereby improving the cable's damage resistance and service life, and realizing the combination of high toughness and reinforcement.
[0015] (2) This utility model provides a shielding layer made of semi-conductive polymer material and wrapped with metal foil, which can distribute the electric field evenly and prevent partial discharge. The inner and outer sheaths are made of polyvinyl chloride, which can provide reliable mechanical protection and environmental adaptability for the cable. The water-blocking layer is made of polyvinyl alcohol, which can effectively prevent moisture from penetrating into the cable and avoid electrical performance degradation or short circuit problems caused by humid environment. The fireproof layer is made of flame-retardant polyolefin material, which can effectively delay the spread of flame in high temperature or fire environment and improve the safety and reliability of the cable.
[0016] (3) This utility model has a self-healing coating on the outside of the outer sheath layer, which can automatically repair cracks when the cable surface is damaged, extend the service life of the cable, reduce maintenance costs, and set a biomimetic texture layer on the outside of the self-healing coating, which can reduce the friction between the cable and the external environment and improve wear resistance. In addition, the combination of the self-healing coating and the biomimetic texture layer not only improves the durability and damage resistance of the cable, but also enhances its environmental adaptability. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of a high-toughness reinforced cable according to the present invention;
[0018] Figure 2 This is a side sectional view of the cable body of this utility model;
[0019] Figure 3 This is a schematic diagram of the wire of this utility model;
[0020] Figure 4 This is a schematic diagram of the internal structure of the functional sleeve of this utility model.
[0021] In the diagram: 1. Cable body; 2. Functional sleeve; 201. Insulation shielding layer; 202. Buffer layer; 203. Inner sheath layer; 204. Tensile reinforcement layer; 205. Water-blocking layer; 206. Fireproof layer; 207. Outer sheath layer; 3. Cable core; 301. Conductor; 3011. Core; 3012. Semi-conductive shielding layer; 3013. Insulation layer; 302. Filler material. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] Please see Figure 1-4 The present invention provides an embodiment of a high-toughness reinforced cable, comprising a cable body 1, the cable body 1 comprising a functional sleeve 2 and a cable core 3, the cable core 3 being disposed inside the functional sleeve 2, the functional sleeve 2 comprising an insulating shielding layer 201, a buffer layer 202, an inner sheath layer 203, a tensile reinforcement layer 204, a water-blocking layer 205, a fireproof layer 206, and an outer sheath layer 207, the insulating shielding layer 201, the buffer layer 202, the inner sheath layer 203, the tensile reinforcement layer 204, the water-blocking layer 205, the fireproof layer 206, and the outer sheath layer 207 being arranged sequentially from the inside out, the buffer layer 202 being made of high-elasticity silicone, and the tensile reinforcement layer 204 being configured as a mesh structure woven from carbon fiber.
[0024] The buffer layer 202 is made of highly elastic silicone, which can effectively absorb external impacts and vibrations, disperse stress concentration, improve the cable's toughness, and reduce damage caused by frequent bending or stretching. The tensile reinforcement layer 204 is made of a mesh structure woven from carbon fiber, which gives the cable excellent tensile strength and compressive strength, enabling it to maintain structural stability under high-intensity tensile or compressive environments. This improves the cable's resistance to damage and service life, and also ensures its stability and safety in complex and variable environments, achieving a combination of high toughness and reinforcement.
[0025] Please see Figure 4 The insulating shielding layer 201 is made of semi-conductive polymer material, and the outer side of the insulating shielding layer 201 is wrapped with metal foil. The inner sheath layer 203 and the outer sheath layer 207 are both made of polyvinyl chloride material. The water-blocking layer 205 is made of polyvinyl alcohol material, and the fireproof layer 206 is made of flame-retardant polyolefin material.
[0026] The insulation shielding layer 201 is made of semi-conductive polymer material and wrapped with metal foil, which can uniformly distribute the electric field, prevent partial discharge, and ensure the stable electrical performance of the cable. The inner sheath layer 203 and the outer sheath layer 207 are both made of polyvinyl chloride (PVC). PVC has good mechanical strength and chemical corrosion resistance, which can provide reliable mechanical protection and environmental adaptability for the cable. The water-blocking layer 205 is made of polyvinyl alcohol (PVA) material, which has excellent waterproof performance and can effectively prevent moisture from penetrating into the cable, avoiding electrical performance degradation or short circuit problems caused by humid environments. The fireproof layer 206 is made of flame-retardant polyolefin material, which can effectively delay the spread of flames in high temperature or fire environments, improving the safety and reliability of the cable.
[0027] Please see Figure 4 The outer sheath layer 207 is coated with a self-healing coating, which is a self-healing polymer containing microcapsules. The outer sheath layer 207 is provided with a biomimetic texture layer, which is a polymer with a sharkskin-like structure.
[0028] The self-healing coating can automatically repair cracks when the cable surface is damaged, extending the cable's service life and reducing maintenance costs. The biomimetic texture layer can reduce friction between the cable and the external environment, improving wear resistance.
[0029] Please see Figure 3 The cable core 3 includes conductors 301 and filler material 302. Multiple conductors 301 are provided. Each conductor 301 includes a core 3011, a semi-conductive shielding layer 3012 and an insulating layer 3013. The core 3011, the semi-conductive shielding layer 3012 and the insulating layer 3013 are arranged sequentially from the inside to the outside. The semi-conductive shielding layer 3012 is made of semi-conductive polymer material, and the insulating layer 3013 is made of cross-linked polyethylene material.
[0030] The semiconductive shielding layer 3012 is made of semiconductive polymer material, which can uniformly distribute the electric field, prevent partial discharge, and improve the electrical performance of the cable. The insulation layer 3013 is made of cross-linked polyethylene material, which has excellent electrical insulation performance and high temperature resistance, and can ensure the stable operation of the cable in high voltage or high temperature environments. The filler material 302 is used to fill the gaps between the conductors, enhance the overall structural stability of the cable, prevent conductor displacement or damage caused by external forces, and improve the structural stability of the cable.
[0031] Please see Figure 3 An identification strip is provided on the outer surface of the insulation layer 3013 of the conductor 301.
[0032] The design of the identification tape improves the cable's identifiability, reduces human error during installation and maintenance, and increases work efficiency.
[0033] Working Principle: In use, the cable body 1 consists of a functional sleeve 2 and a cable core 3. The functional sleeve 2 includes, from the inside out, an insulating shielding layer 201, a buffer layer 202, an inner sheath layer 203, a tensile reinforcement layer 204, a water-blocking layer 205, a fireproof layer 206, and an outer sheath layer 207. The insulating shielding layer 201 is made of semi-conductive polymer material and wrapped with metal foil, providing a uniform electric field distribution, preventing partial discharge, and ensuring stable electrical performance of the cable. The buffer layer 202 is made of high-elasticity silicone, which can effectively absorb external impacts and vibrations, disperse stress concentration, improve the cable's toughness, and reduce damage caused by frequent bending or stretching. The tensile reinforcement layer 204 uses a mesh structure woven from carbon fiber, giving the cable excellent... Its high tensile and compressive strength allows it to maintain structural stability even under high-intensity tensile or compressive conditions. The water-blocking layer 205 is made of polyvinyl alcohol to prevent moisture penetration and avoid degradation of electrical performance. The fireproof layer 206 is made of flame-retardant polyolefin to slow the spread of flames and improve safety. The outer sheath layer 207 is made of polyvinyl chloride to provide mechanical protection and environmental adaptability. Its outer self-healing coating can automatically repair cracks when the cable surface is damaged, extending its service life. The biomimetic texture layer reduces friction between the cable and the external environment and improves wear resistance. This combination of high toughness and reinforcement enhances the cable's damage resistance, service life, and environmental adaptability, increasing its practicality.
[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A high tenacity reinforced cable comprising a cable body (1), characterized in that: The cable body (1) comprises a functional sleeve (2) and a cable core (3), the cable core (3) is arranged in the inside of the functional sleeve (2), the functional sleeve (2) comprises an insulating shielding layer (201), a buffer layer (202), an inner sheath layer (203), a tensile reinforcing layer (204), a water blocking layer (205), a fireproof layer (206) and an outer sheath layer (207), the insulating shielding layer (201), the buffer layer (202), the inner sheath layer (203), the tensile reinforcing layer (204), the water blocking layer (205), the fireproof layer (206) and the outer sheath layer (207) are sequentially arranged from inside to outside, the buffer layer (202) is made of high-elasticity silica gel, and the tensile reinforcing layer (204) is arranged in a mesh structure woven by carbon fibers.
2. A high tenacity armored cable according to claim 1, characterized in that: The insulating shielding layer (201) is made of semi-conductive polymer material, and the outer side of the insulating shielding layer (201) is wrapped with a metal foil.
3. A high tenacity armored cable according to claim 1, characterized in that: The inner sheath layer (203) and the outer sheath layer (207) are both made of polyvinyl chloride material, the water blocking layer (205) is made of polyvinyl alcohol material, and the fireproof layer (206) is made of flame-retardant polyolefin material.
4. A high tenacity armored cable according to claim 1, characterized in that: The outer side of the outer sheath layer (207) is coated with a self-repairing coating, the self-repairing coating is arranged as a self-repairing polymer containing microcapsules, the outer side of the self-repairing coating of the outer sheath layer (207) is provided with a biomimetic texture layer, and the biomimetic texture layer is arranged as a polymer with a sharkskin structure.
5. A high tenacity armored cable according to claim 1, characterized in that: The cable core (3) comprises wires (301) and filling materials (302), and the wires (301) are arranged in multiple.
6. A high tenacity armored cable according to claim 5, characterized in that: The wire (301) comprises a core (3011), a semi-conductive shielding layer (3012) and an insulating layer (3013), which are sequentially arranged from inside to outside, the semi-conductive shielding layer (3012) is made of semi-conductive polymer material, and the insulating layer (3013) is made of cross-linked polyethylene material.
7. A high tenacity armored cable according to claim 6, characterized in that: The outer surface of the insulating layer (3013) of the wire (301) is provided with an identification band.
Citation Information
Patent Citations
Cable
CN203839098U