New energy automobile cable with lightweight structure

By adopting aluminum alloy single-strand stranded conductors and multi-layer shielding and protection structures, the problems of heavy weight and insufficient protection performance of traditional new energy vehicle cables have been solved, achieving lightweight and efficient fireproof, waterproof and electromagnetic shielding effects, thus improving the overall performance of electric vehicles.

CN223651185UActive Publication Date: 2025-12-09XINYA ELECTRONICS +2
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Patent Information

Application Number
CN202422930975.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-09
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Traditional new energy vehicle cables are heavy, affecting the energy efficiency and range of electric vehicles, and lack good fireproof and waterproof properties.

Method used

The design employs an inner and outer structure consisting of an aluminum alloy single-strand stranded conductor, an aluminum foil Mylar-wrapped inner shielding layer, a graphite-coated outer shielding layer, a flame-retardant silicone layer, an aluminum-plastic composite waterproof layer, and a polyurethane outer sheath, combined with a polyethylene inner sheath, achieving lightweight and multi-layer protection.

Benefits of technology

It significantly reduces cable weight, improves the energy efficiency and range of electric vehicles, and provides excellent fire resistance, water resistance and electromagnetic shielding performance, enhancing the stability and safety of the cable in complex environments.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a new energy automobile cable with a lightweight structure, which comprises a lead, an insulating layer, an inner shielding layer, a flame retardant layer, an inner protective layer, an outer shielding layer, a waterproof layer and an outer protective layer which are sequentially arranged from inside to outside, the outer shielding layer is a graphite coating, and the thickness of the graphite coating is 0.5 mm. According to the utility model, the lightweight design is ensured, and meanwhile, the flame retardant layer is arranged on the outer shielding layer. And the fireproof, waterproof, electromagnetic shielding and comprehensive durability performances are obviously improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a new energy automobile cable of light structure. BACKGROUND

[0002] A large number of cables are used on new energy electric vehicles to transport electric power, and the cable is one of factors affecting the automaticity of the vehicle body of the electric vehicle, the cable of the electric vehicle of traditional structure adopts copper stranded conductor (1), and the overall weight is relatively heavy, and the use performance of the electric vehicle is similar to the lighter cable, which can reduce the quality of the electric vehicle, help to improve the energy efficiency and endurance capability of the electric vehicle, or strengthen the strength of other mechanical parts of the electric vehicle, improve the overall safety performance of the electric vehicle, and the cable on the electric vehicle also needs excellent fireproof and waterproof performance. SUMMARY

[0003] The utility model provides a new energy automobile cable of light structure to solve the technical problem of above.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A new energy automobile cable of light structure, comprising a conductor, an insulating layer, an inner shielding layer, a flame-retardant layer, an inner protective layer, an outer shielding layer, a waterproof layer and an outer protective layer arranged in order from inside to outside, the outer shielding layer is a graphite coating, and the thickness of the graphite coating is 0.5mm.

[0006] Further, the conductor is made of aluminum alloy single-strand wire.

[0007] Further, the inner shielding layer is an aluminum foil mica wrapping layer, and the wrapping overlap rate of the inner shielding layer is greater than 10%.

[0008] Further, the flame-retardant layer is flame-retardant silica gel, and the flame-retardant silica gel is also used for moisture-proof and waterproof inside the cable.

[0009] Further, the waterproof layer is an aluminum-plastic composite tape wrapping layer, and the wrapping overlap rate of the waterproof layer is greater than 10%.

[0010] Further, the inner protective layer is made of polyethylene.

[0011] Further, the outer protective layer is made of polyurethane.

[0012] Compared with the prior art, the utility model has the following advantages after adopting the above technical scheme:

[0013] The utility model discloses a light weight structure's new energy automobile cable, including the wire 1, the insulating layer 2, the inner shield layer 3, the flame -retardant layer 7, the inner protective layer 4, the outer shield layer 5, the waterproof layer 8 and the outer protective layer 6 that are arranged in proper order from inside to outside, the outer shield layer 5 is graphite coating, and the thickness of graphite coating is 0.5mm.

[0014] The utility model will be described in detail below in combination with the drawings and examples. DRAWINGS

[0015] Figure 1 It is the cross section structure schematic diagram of the utility model.

[0016] In the drawings, the component list that each sign represents is as follows:

[0017] 1, wire;2, insulating layer;3, inner shield layer;4, inner protective layer;5, outer shield layer;6, outer protective layer;7, flame -retardant layer;8, waterproof layer. DETAILED DESCRIPTION

[0018] The principles and features of the utility model will be described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.

[0019] In the description of the utility model, it is necessary to explain that the orientation or position relation that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise" indicate is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the indicated device or element must have a particular orientation, is constructed and operated with a particular orientation, therefore can not be understood as the limitation of the utility model.

[0020] As Figure 1 Shown, a light weight structure's new energy automobile cable, including by inside to outside in proper order setting wire 1, insulating layer 2, inner shield layer 3, flame -retardant layer 7, inner protective layer 4, outer shield layer 5, waterproof layer 8 and outer protective layer 6, the outer shield layer 5 is graphite coating, and the thickness of graphite coating is 0.5mm.

[0021] As an implementation, the wire 1 is made of aluminum alloy single-strand wire.

[0022] As an implementation form, the inner shielding layer 3 is an aluminum foil mica wrapping layer, and the wrapping overlap rate of the inner shielding layer 3 is greater than 10%.

[0023] As an implementation form, the flame-retardant layer 7 is a flame-retardant silica gel, and the flame-retardant silica gel is also used for preventing moisture and water in the cable.

[0024] As an implementation form, the waterproof layer 8 is an aluminum-plastic composite tape wrapping layer, and the wrapping overlap rate of the waterproof layer 8 is greater than 10%.

[0025] As an implementation form, the inner protective layer 4 is made of polyethylene.

[0026] As an implementation form, the outer protective layer 6 is made of polyurethane.

[0027] The working principle of the utility model is: when the cable is powered, double-layer shielding is realized through the aluminum foil mica and the graphite coating, and then the flame-retardant and moisture-proof and waterproof of the cable are realized through the flame-retardant silica gel and the aluminum-plastic composite tape.

[0028] The above is an example of the best implementation form of the utility model, wherein the parts not described in detail are all the common knowledge of the ordinary skilled in the art. The protection scope of the utility model is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A lightweight new energy vehicle cable, characterized in that, It includes, from the inside out, a conductor (1), an insulation layer (2), an inner shielding layer (3), a flame retardant layer (7), an inner protective layer (4), an outer shielding layer (5), a waterproof layer (8), and an outer protective layer (6). The outer shielding layer (5) is a graphite coating with a thickness of 0.5 mm.

2. The lightweight new energy vehicle cable according to claim 1, characterized in that, The conductor (1) is made of stranded aluminum alloy wire.

3. The lightweight new energy vehicle cable according to claim 1, characterized in that, The inner shielding layer (3) is an aluminum foil Mylar wrapping layer, and the wrapping overlap rate of the inner shielding layer (3) is greater than 10%.

4. The lightweight new energy vehicle cable according to claim 1, characterized in that, The flame-retardant layer (7) is flame-retardant silicone, which is also used for internal moisture and water protection of the cable.

5. A lightweight new energy vehicle cable according to claim 1, characterized in that, The waterproof layer (8) is an aluminum-plastic composite tape wrapping layer, and the wrapping overlap rate of the waterproof layer (8) is greater than 10%.

6. The lightweight new energy vehicle cable according to claim 1, characterized in that, The inner protective layer (4) is made of polyethylene.

7. The lightweight new energy vehicle cable according to claim 1, characterized in that, The outer protective layer (6) is made of polyurethane.