A high voltage cable for new energy vehicles

Abstract

The utility model discloses a high-voltage cable for new energy vehicles, and relates to the technical field of cables. It comprises a main hollow tube, four wire cores are wound around the outer surface of the main hollow tube, a first elastic silicone layer is filled between the wire core and the main hollow tube, a secondary hollow tube is evenly wound around the outer surface of the first elastic silicone layer, a second elastic silicone layer is arranged on the outer surface of the secondary hollow tube, a first shielding layer is wound around the outer surface of the second elastic silicone layer, a first protective mechanism is arranged on the outer surface of the first shielding layer, an outer sheath is arranged on the outer surface of the first protective mechanism, and a reinforcing sleeve is evenly arranged on the outer surface of the outer sheath. The utility model greatly improves the elasticity and anti-bending performance of the cable, so that the cable is not easily damaged by bending, and has good elasticity and strong tensile strength, so that the cable is not easily damaged during use, improves the shielding strength, does not interfere with each other, increases the wear resistance and corrosion resistance of the cable, and prolongs the service life.

Description

Technical Field

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

[0002] Green travel is a concept advocated nowadays. In the development of new energy vehicles, cables are one of the important components of electric vehicles. The power system, control system and safety system of electric vehicles are all completed through electrical transmission. The reliability of wires and cables is crucial to driving safety, so the research and development of cables is equally important.

[0003] In the prior art, conventional high-voltage cables for new energy vehicles have poor elasticity and bending resistance during use. During use, affected by external factors, the cables may break and deform. At the same time, the conductors in the cables squeeze each other and break, resulting in poor shielding effect. In addition, during use, the cables are easily worn and corroded due to leakage, resulting in a short service life. Utility Model Content

[0004] The utility model provides a high-voltage cable for new energy vehicles to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-voltage cable for new energy vehicles, comprising a main hollow tube, four wire cores are wound around the outer surface of the main hollow tube, a first elastic silicone layer is filled between the wire core and the main hollow tube, a secondary hollow tube is evenly wound around the outer surface of the first elastic silicone layer, a second elastic silicone layer is arranged on the outer surface of the secondary hollow tube, a first shielding layer is wound around the outer surface of the second elastic silicone layer, a first protective mechanism is arranged on the outer surface of the first shielding layer, an outer sheath is arranged on the outer surface of the first protective mechanism, a reinforcing sleeve is evenly arranged on the outer surface of the outer sheath, and a second protective mechanism is evenly coated on the exposed outer surface of the outer sheath of the reinforcing sleeve.

[0006] Furthermore, the main hollow tube and the auxiliary hollow tube are both made of elastic rubber material.

[0007] Furthermore, the wire core includes a conductor, an insulating tape, a second shielding layer, a waterproof tape and a flame-retardant EVA hot-melt adhesive layer. The conductor is wrapped with the insulating tape, the second shielding layer and the waterproof tape in sequence from the inside to the outside, and the explosion-proof membrane of the waterproof tape is provided with a flame-retardant EVA hot-melt adhesive layer.

[0008] Furthermore, the first protection mechanism comprises a temperature-insulating film, a waterproof film and a flame-retardant film, and the temperature-insulating film, the waterproof film and the flame-retardant film are sequentially wound around the outer surface of the first shielding layer from the inside to the outside.

[0009] Furthermore, the reinforcement sleeve is made of stainless steel, and the length of the reinforcement sleeve is 1.5cm-3cm.

[0010] Furthermore, the second protection mechanism comprises a reflective coating, a corrosion-resistant coating and a wear-resistant coating, and the reflective coating, the corrosion-resistant coating and the wear-resistant coating are sequentially arranged on the outer surfaces of the outer sheath and the reinforcement sheath from the inside to the outside.

[0011] Compared with the prior art, the utility model provides a high-voltage cable for new energy vehicles, which has the following beneficial effects:

[0012] 1. The high-voltage cable for new energy vehicles greatly improves the elasticity and bending resistance of the cable by arranging a main hollow tube, a first elastic silicone layer, a secondary hollow tube and a second elastic silicone layer, so that the cable is not easily damaged by bending, and has good elasticity and strong tensile strength. The cable is not easily damaged during use, and the signal shielding function of the cable is improved without mutual interference.

[0013] 2. The high-voltage cable for new energy vehicles improves the strength of the outer surface of the cable by setting a reinforcement sleeve, and then increases the wear resistance and corrosion resistance of the cable through a second protective mechanism, thereby extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the wire core of the utility model.

[0016] In the figure: 1. main hollow tube; 2. wire core; 201. conductor; 202. insulating tape; 203. second shielding layer; 204. waterproof tape; 205. flame-retardant EVA hot-melt adhesive layer; 3. first elastic silicone layer; 4. secondary hollow tube; 5. second elastic silicone layer; 6. first shielding layer; 7. first protective mechanism; 701. thermal insulation film; 702. waterproof film; 703. flame-retardant film; 8. outer sheath; 9. reinforcement sleeve; 10. second protective mechanism; 101. reflective coating; 102. corrosion-resistant coating; 103. wear-resistant coating. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1 and Figure 2The utility model discloses a high-voltage cable for new energy vehicles, including a main hollow tube 1, four wire cores 2 are wound on the outer surface of the main hollow tube 1, a first elastic silicone layer 3 is filled between the wire core 2 and the main hollow tube 1, a secondary hollow tube 4 is evenly wound on the outer surface of the first elastic silicone layer 3, a second elastic silicone layer 5 is arranged on the outer surface of the secondary hollow tube 4, a first shielding layer 6 is wound on the outer surface of the second elastic silicone layer 5, a first protective mechanism 7 is arranged on the outer surface of the first shielding layer 6, an outer surface of the first protective mechanism 7 is arranged with an outer sheath 8, a reinforcing sleeve 9 is evenly arranged on the outer surface of the outer sheath 8, and a second protective mechanism 10 is evenly painted on the exposed outer surface of the reinforcing sleeve 9 and the outer sheath 8.

[0019] Specifically, the main hollow tube 1 and the auxiliary hollow tube 4 are both made of elastic rubber material.

[0020] In this embodiment, both the main hollow tube 1 and the auxiliary hollow tube 4 have good elasticity and bending performance.

[0021] Specifically, the wire core 2 includes a conductor 201, an insulating tape 202, a second shielding layer 203, a waterproof tape 204 and a flame-retardant EVA hot-melt adhesive layer 205. The conductor 201 is sequentially wrapped with the insulating tape 202, the second shielding layer 203 and the waterproof tape 204 from the inside to the outside, and the explosion-proof film of the waterproof tape 205 is provided with a flame-retardant EVA hot-melt adhesive layer 205.

[0022] In this embodiment, the insulating tape 202, the second shielding layer 203, the waterproof tape 204 and the flame-retardant EVA hot melt adhesive layer 205 increase the insulation, shielding, waterproof and flame-retardant properties of the conductor 201, so that the conductors 201 will not interfere with each other.

[0023] Specifically, the first protection mechanism 7 includes a temperature-insulating film 701 , a waterproof film 702 and a flame-retardant film 703 , and the temperature-insulating film 701 , the waterproof film 702 and the flame-retardant film 703 are sequentially wound around the outer surface of the first shielding layer 6 from inside to outside.

[0024] In this embodiment, the temperature-insulating film 701 , the waterproof film 702 and the flame-retardant film 703 increase the isolation from external environmental interference.

[0025] Specifically, the reinforcement sleeve 9 is made of stainless steel, and the length of the reinforcement sleeve 9 is 1.5 cm-3 cm.

[0026] In this embodiment, the reinforcing sleeve 9 is strong, so that the cable is not easily damaged by squeezing.

[0027] Specifically, the second protection mechanism 10 includes a reflective coating 101 , a corrosion-resistant coating 102 and a wear-resistant coating 103 , which are sequentially arranged on the outer surfaces of the outer sheath 8 and the reinforcement sleeve 9 from the inside to the outside.

[0028] In this embodiment, the reflective coating 101, the corrosion-resistant coating 102 and the wear-resistant coating 103 increase the light reflection, corrosion resistance and corrosion resistance of the cable, making it difficult for the external environment to damage the cable, thereby increasing the service life of the cable.

[0029] When in use, the elasticity and bending resistance of the cable are greatly improved through the main hollow tube 1, the first elastic silicone layer 3, the secondary hollow tube 4 and the second elastic silicone layer 5, and the core 2 can have a larger bending space, so that the core 2 will not be damaged, and the cable is not easily damaged by bending. In addition, the cable has good elasticity and strong tensile strength, and is not easily damaged during use. The signal shielding function of the cable is improved through the first shielding layer 6 and the second shielding layer 203, and the conductors 201 will not interfere with each other. The outer surface strength of the cable is improved by the reinforcing sleeve 9, so that the cable is not easily squeezed and damaged. The reflective coating 101, the corrosion-resistant coating 102 and the wear-resistant coating 103 in the second protective mechanism 10 increase the light reflection, corrosion resistance and corrosion resistance of the cable, so that the external environment is not easy to damage the cable, thereby increasing the service life of the cable.

[0030] In summary, the high-voltage cable for new energy vehicles greatly improves the elasticity and bending resistance of the cable, making the cable not easily damaged by bending, and has good elasticity and strong tensile strength. The cable is not easily damaged during use, improves shielding properties, does not interfere with each other, increases the wear resistance and corrosion resistance of the cable, and extends its service life.

[0031] 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 high-voltage cable for new energy vehicles, comprising a main hollow tube (1), characterized in that: Four wire cores (2) are wound around the outer surface of the main hollow tube (1); a first elastic silicone layer (3) is filled between the wire core (2) and the main hollow tube (1); a secondary hollow tube (4) is evenly wound around the outer surface of the first elastic silicone layer (3); a second elastic silicone layer (5) is provided on the outer surface of the secondary hollow tube (4); a first shielding layer (6) is wound around the outer surface of the second elastic silicone layer (5); a first protective mechanism (7) is provided on the outer surface of the first shielding layer (6); an outer sheath (8) is provided on the outer surface of the first protective mechanism (7); a reinforcing sleeve (9) is evenly provided on the outer surface of the outer sheath (8); and a second protective mechanism (10) is evenly applied on the exposed outer surface of the reinforcing sleeve (9) and the outer sheath (8).

2. A high voltage cable for new energy vehicles according to claim 1, characterized in that: The main hollow tube (1) and the auxiliary hollow tube (4) are both made of elastic rubber material.

3. A high-voltage cable for new energy vehicles according to claim 1, characterized in that: The wire core (2) comprises a conductor (201), an insulating tape (202), a second shielding layer (203), a waterproof tape (204) and a flame-retardant EVA hot-melt adhesive layer (205); the conductor (201) is sequentially wound with the insulating tape (202), the second shielding layer (203) and the waterproof tape (204) from the inside to the outside; and the explosion-proof film of the waterproof tape (204) is provided with a flame-retardant EVA hot-melt adhesive layer (205).

4. A high voltage cable for new energy vehicles according to claim 1, characterized in that: The first protection mechanism (7) comprises a temperature-insulating film (701), a waterproof film (702) and a flame-retardant film (703), wherein the temperature-insulating film (701), the waterproof film (702) and the flame-retardant film (703) are sequentially wound around the outer surface of the first shielding layer (6) from the inside to the outside.

5. A high voltage cable for new energy vehicles according to claim 1, characterized in that: The reinforcing sleeve (9) is made of stainless steel, and the length of the reinforcing sleeve (9) is 1.5 cm-3 cm.

6. A high-voltage cable for new energy vehicles according to claim 1, characterized in that: The second protection mechanism (10) comprises a reflective coating (101), a corrosion-resistant coating (102) and a wear-resistant coating (103), wherein the reflective coating (101), the corrosion-resistant coating (102) and the wear-resistant coating (103) are sequentially arranged on the outer surfaces of the outer sheath (8) and the reinforcing sheath (9) from the inside to the outside.

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