High-voltage cable for new energy

Through the combined structures such as wear-resistant layer, flame-retardant rubber layer, flame-retardant polyester fiber layer, buffered sponge and aramid rope, the problem of poor flame retardancy of high-voltage cables is solved, and higher cable stability and copper conductor protection are achieved, and the service life is extended.

CN223296566UActive Publication Date: 2025-09-02SHANDONG XINYU CONSTRUCTION ENGINEERING DESIGN CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422323709.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-09-02
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

Existing high-voltage cables have poor flame retardancy and are prone to generate a large amount of smoke and toxic gases, which affects the performance and safety of cables.

Method used

It adopts a combination structure such as wear-resistant layer, flame-retardant rubber layer, flame-retardant polyester fiber layer, buffered sponge and aramid rope, and combines a corrosion-resistant layer to improve the flame retardant and mechanical strength of the cable, disperse external forces, and protect copper conductors.

Benefits of technology

Improves the flame retardancy and stability of the cable, reduces the production of smoke and toxic gases, extends the service life of cables and copper conductors, and reduces maintenance costs and failure rates.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223296566U_ABST
    Figure CN223296566U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of new energy cables, and discloses a high-voltage cable for new energy, which comprises a wear-resistant layer and a copper conductor, the middle part of the wear-resistant layer is fixedly connected with a flame-retardant rubber layer, the middle part of the flame-retardant rubber layer is fixedly connected with a flame-retardant polyester fiber layer, the middle part of the flame-retardant polyester fiber layer is fixedly connected with a buffer cotton body, and the buffer cotton body is fixedly connected with the copper conductor. A dispersing assembly is arranged on the outer side of the buffering cotton body, the dispersing assembly is used for dispersing external force borne by the buffering cotton body, the dispersing assembly comprises a plurality of aramid ropes, and the aramid ropes are fixedly connected to the outer side of the buffering cotton body. According to the utility model, the overall service life of the cable can be prolonged under the action of the wear-resistant layer, and the purpose of good flame retardance of the cable can be achieved under the action of the flame-retardant polyester fiber layer and the flame-retardant rubber layer, so that the use safety of the cable is ensured, the stability of the cable is improved, and the generation of smoke and toxic gas is reduced at the same time.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of new energy cables, in particular to a high-voltage cable for new energy. Background Art

[0002] High-voltage cables are an important component in power transmission and distribution, mainly used to transmit electrical energy between 1 kilovolt (1kV) and 1000 kilovolt (1000kV).

[0003] Currently, the vast majority of motor vehicles are still powered by oil and gas. Both oil and gas are non-renewable energy sources. With increasing use and dependence, their depletion is becoming increasingly serious, and they also cause severe environmental pollution. New energy vehicles are powered by renewable electricity. my country's new energy vehicle industry is a rising star in the automotive industry. In just over a decade, its development has formed a relatively complete system of technology, products, standards, and management, and has been identified as the leading direction for the future development of my country's automotive industry. The electric drive and control system is the core of electric vehicles. Electricity is transmitted through high-voltage cables within the vehicle, so the importance of high-voltage cables as core components of power transmission and distribution is self-evident.

[0004] Cables in the prior art have poor flame retardancy. Generally, the insulation layer and sheath layer of the cable are made of a single flame retardant mixed with cable materials. Due to the use of a single flame retardant material, the cable either produces a large amount of smoke and toxic gases or reduces the cable performance due to dehydration reaction, thereby affecting the flame retardant temperature and flame retardant time of the cable, making it difficult to meet daily use. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a high-voltage cable for new energy, which aims to improve the problem that cables in the existing technology are generally made of a single flame retardant mixed with cable materials, resulting in the cable either generating a large amount of smoke and toxic gases or reducing cable performance due to dehydration reaction.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A high-voltage cable for new energy, comprising a wear-resistant layer and a copper conductor, wherein a flame-retardant rubber layer is fixedly connected to the middle of the wear-resistant layer, a flame-retardant polyester fiber layer is fixedly connected to the middle of the flame-retardant rubber layer, and a buffer sponge is fixedly connected to the middle of the flame-retardant polyester fiber layer. A dispersion component is provided on the outside of the buffer sponge, and the dispersion component is used to disperse external forces acting on the buffer sponge;

[0008] As a further description of the above technical solution:

[0009] The dispersion component includes an aramid rope, and the aramid rope is provided in plurality, and the plurality of aramid ropes are fixedly connected to the outside of the buffer sponge;

[0010] As a further description of the above technical solution:

[0011] The outer periphery of the copper conductor is fixedly connected with a corrosion-resistant layer, and a plurality of the copper conductors and the corrosion-resistant layers are provided, and the plurality of the copper conductors and the corrosion-resistant layers are evenly distributed in the middle of the buffer sponge;

[0012] As a further description of the above technical solution:

[0013] The wear-resistant layer is made of polyurethane rubber material, and the polyurethane rubber material is used to provide wear-resistant protection for the wear-resistant layer;

[0014] As a further description of the above technical solution:

[0015] The corrosion-resistant layer is made of cross-linked polyethylene material, which is used to provide corrosion-resistant protection for the corrosion-resistant layer;

[0016] As a further description of the above technical solution:

[0017] The diameter of the wear-resistant layer is greater than the diameter of the flame-retardant rubber layer;

[0018] As a further description of the above technical solution:

[0019] The buffer sponge is made of a composite material, and the composite material is used to provide cushioning for the buffer sponge;

[0020] The utility model has the following beneficial effects:

[0021] In the utility model, the wear-resistant layer can improve the service life of the cable as a whole, and the flame retardant polyester fiber layer and the flame retardant rubber layer can achieve the purpose of good flame retardancy of the cable, thereby ensuring the safe use of the cable, improving the stability of the cable, and reducing the generation of smoke and toxic gases.

[0022] In the present invention, the aramid rope can effectively disperse and withstand external mechanical forces when the cable vibrates and bends as a whole, thereby protecting the internal structure of the cable from damage. In addition, through the coverage of the corrosion-resistant layer, the aramid rope can further protect the copper conductor, extend its service life, and reduce the maintenance cost and failure rate of the cable system. This comprehensive protection measure not only improves the durability and reliability of the cable, but also ensures its long-term stable operation in various working environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1This is a three-dimensional schematic diagram of a high-voltage cable for new energy proposed in the utility model;

[0024] Figure 2 This is a schematic structural diagram of a copper conductor of a high-voltage cable for new energy use proposed in the utility model.

[0025] Legend:

[0026] 1. Wear-resistant layer; 2. Copper conductor; 3. Corrosion-resistant layer; 4. Buffer sponge; 5. Aramid rope; 6. Flame-retardant polyester fiber layer; 7. Flame-retardant rubber layer. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Reference Figure 1 and Figure 2 , the utility model provides an embodiment: a high-voltage cable for new energy, including a wear-resistant layer 1 and a copper conductor 2, a flame-retardant rubber layer 7 is fixedly connected to the middle of the wear-resistant layer 1, and a flame-retardant polyester fiber layer 6 is fixedly connected to the middle of the flame-retardant rubber layer 7, the flame-retardant polyester fiber layer 6 and the flame-retardant rubber layer 7 can conveniently provide flame retardancy to the entire cable, thereby ensuring the safety of the entire cable, while reducing the generation of smoke and toxic gases, a buffer sponge 4 is fixedly connected to the middle of the flame-retardant polyester fiber layer 6, the buffer sponge 4 can disperse the external force exerted on the copper conductor 2, thereby improving the service life of the copper conductor 2, a dispersion component is provided on the outside of the buffer sponge 4, the dispersion component is used to disperse the external force exerted on the buffer sponge 4, the dispersion component includes aramid rope 5, a plurality of aramid ropes 5 are provided, and the plurality of aramid ropes 5 are fixedly connected to the outside of the buffer sponge 4, the plurality of aramid ropes 5 have the characteristics of high strength, light weight, wear resistance and high temperature resistance, thereby improving the service life of the entire cable.

[0029] Reference Figure 2 The outer periphery of the copper conductor 2 is fixedly connected with a corrosion-resistant layer 3. Multiple copper conductors 2 and corrosion-resistant layers 3 are provided. Multiple copper conductors 2 and corrosion-resistant layers 3 are evenly distributed in the middle of the buffer sponge 4. Multiple corrosion-resistant layers 3 can protect the copper conductor 2, thereby preventing the copper conductor 2 from being damaged when used for a long time, thereby improving the service life of the copper conductor 2.

[0030] Reference Figure 2The wear-resistant layer 1 is made of polyurethane rubber. The polyurethane rubber material is used to provide wear-resistant protection for the wear-resistant layer 1. The wear-resistant layer 1 improves the overall wear resistance and service life of the cable. The corrosion-resistant layer 3 is made of cross-linked polyethylene. The cross-linked polyethylene material is used to provide corrosion-resistant protection for the corrosion-resistant layer 3. The corrosion-resistant layer 3 improves the overall service life of the cable, thereby improving the corrosion resistance. The diameter of the wear-resistant layer 1 is larger than the diameter of the flame-retardant rubber layer 7. The wear-resistant layer 1 is larger than the diameter of the flame-retardant rubber layer 7, which can more effectively protect the flame-retardant rubber layer 7. The buffer sponge 4 is made of a composite material, and the composite material is used to provide buffering for the buffer sponge 4.

[0031] Working principle: Through the action of the flame-retardant polyester fiber layer 6 and the flame-retardant rubber layer 7, the cable can achieve good flame retardancy, ensure the safe use of the cable, and improve the stability of the cable. Through the action of the aramid rope 5 and the corrosion-resistant layer 3, the cable can effectively disperse and withstand mechanical external forces when the cable as a whole vibrates and bends, and the copper conductor 2 can be further protected.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-voltage cable for new energy, comprising a wear-resistant layer (1) and a copper conductor (2), characterized in that: The middle of the wear-resistant layer (1) is fixedly connected to a flame-retardant rubber layer (7), the middle of the flame-retardant rubber layer (7) is fixedly connected to a flame-retardant polyester fiber layer (6), the middle of the flame-retardant polyester fiber layer (6) is fixedly connected to a buffer sponge (4), and a dispersion component is provided on the outside of the buffer sponge (4), and the dispersion component is used to disperse the external force applied to the buffer sponge (4).

2. A high-voltage cable for new energy according to claim 1, characterized in that: The dispersion component comprises an aramid rope (5), a plurality of the aramid ropes (5) are provided, and the plurality of the aramid ropes (5) are all fixedly connected to the outside of the buffer sponge (4).

3. The high-voltage cable for new energy according to claim 1, characterized in that: The outer periphery of the copper conductor (2) is fixedly connected with a corrosion-resistant layer (3), and a plurality of the copper conductor (2) and the corrosion-resistant layer (3) are provided. The plurality of the copper conductors (2) and the corrosion-resistant layer (3) are evenly distributed in the middle of the buffer sponge (4).

4. The high-voltage cable for new energy according to claim 1, characterized in that: The wear-resistant layer (1) is made of polyurethane rubber material, and the polyurethane rubber material is used to provide wear-resistant protection for the wear-resistant layer (1).

5. The high-voltage cable for new energy according to claim 3, characterized in that: The corrosion-resistant layer (3) is made of cross-linked polyethylene material, and the cross-linked polyethylene material is used to provide corrosion-resistant protection for the corrosion-resistant layer (3).

6. The high-voltage cable for new energy according to claim 1, characterized in that: The diameter of the wear-resistant layer (1) is greater than the diameter of the flame-retardant rubber layer (7).

7. The high-voltage cable for new energy according to claim 1, characterized in that: The buffer sponge (4) is made of a composite material, and the composite material is used to provide buffering for the buffer sponge (4).