Wear-resistant high-toughness electric vehicle cable
By introducing a combination of aluminum silicate fiber cotton insulation layer and metal aluminum foil shielding layer into electric vehicle cables, the problems of freezing and insufficient wear resistance of electric vehicle cables in low-temperature environments are solved, and the overall performance of the cables is improved.
Patent Information
- Application Number
- CN202520618000.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing electric vehicle cables are prone to freezing in low winter temperatures, have poor insulation, and are not waterproof or wear-resistant. They also provide insufficient protection for the internal cable core and lack toughness during long-term use.
The cable employs a combination structure consisting of an aluminum silicate fiber cotton insulation layer, a metal aluminum foil shielding layer, a mica tape fireproof layer, a non-woven fabric moisture-proof layer, a plastic oil paper waterproof layer, and a wear-resistant layer. Combined with the design of a metal ring and a rubber protective sleeve, this enhances the cable's insulation, waterproofing, fireproofing, wear resistance, and toughness.
It improves the thermal insulation performance of the cable, enhances its waterproof and fireproof capabilities, extends its service life, improves its abrasion resistance and strength, prevents breakage, and increases its toughness.
Smart Images

Figure CN223977719U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of electric vehicle cables, specifically a wear-resistant and high-toughness electric vehicle cable. Background Technology
[0002] Electric vehicles refer to vehicles that are powered by electricity. They use batteries as their energy source and convert electrical energy into mechanical energy for movement through components such as controllers and motors. Electric vehicles do not emit harmful gases, which helps reduce air pollution and greenhouse gas emissions and is in line with the concept of energy conservation and environmental protection. Electric vehicle cables are special cables used to transmit electrical energy and signals in electric vehicles and are an important component of electric vehicles.
[0003] For example, CN215007590U discloses a special cable for electric vehicles, which includes, from the inside out, a conductive unit, a PVC insulation layer, a second shielding layer, an inner sheath, a metal armor layer, and an outer sheath. The inner sheath is a PVC sheath, and the outer sheath is an FEP sheath. A glass fiber layer is filled between the conductive unit and the PVC insulation layer. This application has the effect of minimizing safety hazards during charging.
[0004] However, existing technologies have problems such as poor heat insulation, easy freezing in low winter temperatures, poor waterproofing and wear resistance, poor protection of the internal cable core during long-term use, and insufficient toughness. For example, the comparative patents listed above have these problems.
[0005] To address these issues, we propose a wear-resistant, high-toughness electric vehicle cable. Utility Model Content
[0006] The purpose of this utility model is to provide a wear-resistant and high-toughness electric vehicle cable to solve the problems mentioned in the background art, such as poor heat insulation, easy freezing in low winter temperatures, poor waterproof and wear-resistant effects, poor protection of the internal cable core during long-term use, and insufficient toughness.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a wear-resistant and high-toughness electric vehicle cable, comprising a cable core and a rubber protective outer layer;
[0008] Also includes:
[0009] A metal aluminum foil shielding layer is disposed on the outside of the cable core, and an aluminum silicate fiber cotton insulation layer is filled between the metal aluminum foil shielding layer and the cable core.
[0010] Abrasion-resistant layer, wherein the abrasion-resistant layer is formed by intertwining and weaving flax fiber strips and nylon fiber strips;
[0011] Multiple rubber protective sleeves are provided, which are arranged at equal angles on the outside of the wear-resistant layer.
[0012] By employing the above technical solution, the aluminum silicate fiber cotton insulation layer filled on the outside of the cable core provides excellent heat insulation and cold resistance. The aluminum foil shielding layer effectively blocks external interference signals. Combined with the mica tape fireproof layer, the cable exhibits a certain degree of fire resistance. The non-woven fabric moisture-proof layer and the plastic oil paper waterproof layer enhance the cable's moisture and water resistance. The wear-resistant layer significantly improves the cable's wear resistance, extending its service life. Furthermore, the metal ring enhances the cable's strength. The rubber protective sleeve placed between the wear-resistant layer and the rubber protective outer layer provides excellent protection when the cable is subjected to external pressure and prevents breakage during bending, thus improving the cable's toughness.
[0013] As a preferred embodiment of this utility model, a mica tape fireproof layer is provided on the outside of the metal aluminum foil shielding layer, and a non-woven fabric moisture-proof layer is provided on the outside of the mica tape fireproof layer.
[0014] By adopting the above technical solution, a mica tape fireproof layer is set on the outside of the metal aluminum foil shielding layer, and a non-woven fabric moisture-proof layer is set on the outside of the mica tape fireproof layer. The combination of the metal aluminum foil shielding layer and the mica tape fireproof layer can achieve good fireproof and cold-proof effects.
[0015] As a preferred embodiment of this utility model, the outer side of the non-woven moisture-proof layer is wrapped with a plastic oil paper waterproof layer, and a wear-resistant layer is provided on the outer side of the plastic oil paper waterproof layer.
[0016] By adopting the above technical solution, a plastic oil paper waterproof layer is wrapped around the outside of the non-woven fabric moisture-proof layer, and a wear-resistant layer is provided on the outside of the plastic oil paper waterproof layer, which can achieve a good moisture-proof and waterproof effect.
[0017] As a preferred embodiment of this invention, the wear-resistant layer is provided with a plurality of metal rings on its outer side.
[0018] By adopting the above technical solution, multiple metal rings are sleeved on the outside of the wear-resistant layer to improve the strength of the cable.
[0019] As a preferred embodiment of this utility model, a rubber protective sleeve is fitted to the outer side of the metal ring, and the rubber protective sleeve is fixedly connected to the inner wall of the rubber protective outer layer.
[0020] By adopting the above technical solution, a rubber protective sleeve is attached to the outside of the metal ring and fixedly connected to the inner wall of the rubber protective outer layer, which can play a good buffering and protection role for the outside of the cable and improve the toughness of the cable.
[0021] 1. It is equipped with an aluminum silicate fiber cotton insulation layer and a metal aluminum foil shielding layer. The metal aluminum foil shielding layer is wrapped around the outside of the cable core, which can play a good role in protecting against cold. Combined with the setting of the metal aluminum foil shielding layer, it can shield external interference signals.
[0022] 2. It is equipped with a mica tape fireproof layer, a non-woven fabric moisture-proof layer and a plastic oil paper waterproof layer. The fireproof, moisture-proof and waterproof effects of the cable are improved by setting the mica tape fireproof layer, the non-woven fabric moisture-proof layer and the plastic oil paper waterproof layer.
[0023] 3. It is equipped with a wear-resistant layer, a metal ring, and a rubber protective sleeve. The wear-resistant layer gives the cable excellent wear resistance, and the metal ring greatly improves the cable strength. Combined with the rubber protective sleeve, it can provide good pressure protection for the internal cable core. Attached Figure Description
[0024] Figure 1 This is a front view structural diagram of the present invention;
[0025] Figure 2 This is a schematic diagram of the braiding structure of the flax fiber braided strip and the nylon fiber braided strip of this utility model;
[0026] Figure 3 This is a schematic diagram of the overall structure of the wear-resistant layer and metal ring of this utility model;
[0027] Figure 4 This is a schematic diagram of the overall structure of the rubber protective sleeve and the rubber protective outer layer of this utility model.
[0028] In the diagram: 1. Cable core; 2. Aluminum silicate fiber cotton insulation layer; 3. Metal aluminum foil shielding layer; 4. Mica tape fireproof layer; 5. Non-woven fabric moisture-proof layer; 6. Plastic oil paper waterproof layer; 7. Wear-resistant layer; 8. Flax fiber braided strip; 9. Nylon fiber braided strip; 10. Metal ring; 11. Rubber protective sleeve; 12. Rubber protective outer layer. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] Please see Figures 1-4 The present invention provides the following technical solution.
[0031] Example 1: To address the problems of poor insulation, easy freezing in low winter temperatures, and poor waterproofing and wear resistance in existing technologies, this example provides a wear-resistant, high-toughness electric vehicle cable. The cable comprises a cable core 1, an aluminum silicate fiber cotton insulation layer 2, a metal aluminum foil shielding layer 3, a mica tape fireproof layer 4, a non-woven fabric moisture-proof layer 5, a plastic oil paper waterproof layer 6, and a wear-resistant layer 7. The metal aluminum foil shielding layer 3 is located on the outside of the cable core 1, and the aluminum silicate fiber cotton insulation layer 2 fills the space between the metal aluminum foil shielding layer 3 and the cable core 1. The wear-resistant layer 7 is formed by intertwining flax fiber braided strips 8 and nylon fiber braided strips 9. A mica tape fireproof layer 4 is located on the outside of the metal aluminum foil shielding layer 3, and a non-woven fabric moisture-proof layer 5 is located on the outside of the mica tape fireproof layer 4. A plastic oil paper waterproof layer 6 is wrapped around the outside of the non-woven fabric moisture-proof layer 5, and the wear-resistant layer 7 is located on the outside of the plastic oil paper waterproof layer 6. Figure 1 and Figure 2 As shown, an aluminum silicate fiber cotton insulation layer 2 is filled between the aluminum foil shielding layer 3 and the cable core 1. The aluminum silicate fiber cotton insulation layer 2 wraps around the outside of the cable core 1. The aluminum silicate fiber cotton insulation layer 2 provides good cold protection for the cable. The aluminum foil shielding layer 3 shields external signal interference. Combined with the mica tape fireproof layer 4, it provides good fire resistance. The non-woven fabric moisture-proof layer 5 and the plastic oil paper waterproof layer 6 provide a certain degree of moisture and water resistance. The wear-resistant layer 7 is set outside the plastic oil paper waterproof layer 6. The wear-resistant layer 7 greatly improves the wear resistance of the cable and extends its service life.
[0032] Example 2: To address the problem of poor protection and insufficient toughness of the internal cable core during long-term use in existing technologies, this example provides a wear-resistant, high-toughness electric vehicle cable. The cable includes a metal ring 10, a rubber protective sleeve 11, and a rubber protective outer layer 12. The rubber protective sleeve 11 is angled and positioned on the outside of the wear-resistant layer 7. Multiple metal rings 10 are fitted onto the outside of the wear-resistant layer 7. The rubber protective sleeve 11 is fitted against the outside of the metal rings 10 and fixedly connected to the inner wall of the rubber protective outer layer 12. Figure 3 and Figure 4 As shown, the metal ring 10 is sleeved on the outside of the wear-resistant layer 7, which greatly increases the strength of the cable. Combined with the rubber protective sleeve 11 set on the inside of the rubber protective outer layer 12, the rubber protective sleeve 11 provides good protection when the cable is subjected to external pressure, and prevents breakage when the cable is bent, thus improving the cable's toughness.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A wear-resistant high-toughness electric vehicle cable, comprising a cable core (1) and a rubber protective outer layer (12); characterized in that Further comprising: a metal aluminum foil shielding layer (3) arranged on the outer side of the cable core (1), and the metal aluminum foil shielding layer (3) is filled with an aluminum silicate fiber cotton heat preservation layer (2) between the cable core (1); a wear-resistant layer (7) which is woven by inter-winding of flax fiber woven strips (8) and nylon fiber woven strips (9); a plurality of rubber protective sleeves (11) arranged at equal angles on the outer side of the wear-resistant layer (7).
2. A high flexibility abrasion resistant electric vehicle cable according to claim 1, wherein: The outer side of the metal aluminum foil shielding layer (3) is provided with a mica tape fireproof layer (4), and the outer side of the mica tape fireproof layer (4) is provided with a non-woven fabric moisture-proof layer (5).
3. A high flexibility, abrasion resistant electric vehicle cable according to claim 2, wherein: The outer side of the non-woven fabric moisture-proof layer (5) is wrapped with a plastic oil paper waterproof layer (6), and the outer side of the plastic oil paper waterproof layer (6) is provided with a wear-resistant layer (7).
4. A high flexibility, abrasion resistant electric vehicle cable according to claim 3, wherein: The outer side of the wear-resistant layer (7) is sleeved with a plurality of metal rings (10).
5. A high flexibility, abrasion resistant electric vehicle cable according to claim 4, wherein: The outer side of the metal ring (10) is attached with a rubber protective sleeve (11), and the rubber protective sleeve (11) is fixedly connected to the inner wall of the rubber protective outer layer (12).