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Signal transmission line for new energy automobile and preparation method and application thereof

A signal transmission line, new energy vehicle technology, applied in transportation and packaging, vehicle parts, cable/conductor manufacturing, etc., can solve the problems of signal loss, poor safety, and restricting the development of new energy vehicles, etc., to achieve small signal loss and safety high effect

Pending Publication Date: 2022-07-05
FAR EAST CABLE +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, most of the automotive signal transmission lines provided in the prior art have the problems of heavy weight, serious signal loss and poor safety, which limit the further development of new energy vehicles

Method used

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  • Signal transmission line for new energy automobile and preparation method and application thereof
  • Signal transmission line for new energy automobile and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] A signal transmission line for new energy vehicles, the schematic diagram of its cross-sectional structure is as follows figure 1 As shown, it includes 2 cable cores, the cable core is composed of two cores twisted together and a cladding 3 wrapped around the two cores twisted together, each core is made of aluminum alloy The conductor 1 is composed of an insulating layer 2 wrapped outside the aluminum alloy conductor 1, and the cross section of each wire core is a five-pointed star, and the outer side of the cable core is sequentially coated with a shielding layer 5 and an outer sheath 6. , the filling layer is filled in the gap between the shielding layer 5 and the cable core;

[0063] Among them, the aluminum alloy conductor 1 consists of 18 stranded aluminum alloy wires (the boron content is controlled at 0.013-0.032%; the rare earth content is controlled at 0.03-0.05%, the magnesium content is controlled at 0.3-0.4%, and the iron content is controlled at 0.1 ~0.5%...

Embodiment 2

[0075] A signal transmission line, which differs from Embodiment 1 only in that it includes 4 cable cores, and other structures, parameters and preparation methods are the same as those in Embodiment 1.

Embodiment 3

[0077] A signal transmission line, which differs from Embodiment 1 only in that it includes a single cable core, and other structures, parameters and preparation methods are the same as those in Embodiment 1.

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Abstract

The invention provides a signal transmission line for a new energy automobile and a preparation method and application of the signal transmission line. The signal transmission line comprises at least one cable core, a filling layer, a shielding layer and an outer sheath. The cable core is composed of two wire cores which are twisted together and a wrapping layer which wraps the outer sides of the two wire cores which are twisted together. Each wire core is composed of an aluminum alloy conductor and an insulating layer wrapping the aluminum alloy conductor, and the cross section of each wire core is in a star shape. The outer side of the cable core is sequentially coated with a shielding layer and an outer sheath, and a gap between the cable core and the shielding layer further comprises a filling layer. According to the signal transmission line, through the special design of the wire core structure and the special selection of the matched material of each layer, the finally obtained signal transmission line has the advantages of light weight, small signal loss and higher safety, and is completely suitable for being used in a new energy automobile.

Description

technical field [0001] The invention belongs to the technical field of cables, and in particular relates to a signal transmission line and a preparation method and application thereof. Background technique [0002] With the rapid development of new energy vehicles, the requirements for light weight, intelligence and safety of the whole vehicle and its parts are getting higher and higher. Safer direction continues to work. [0003] CN204332529U discloses a signal transmission line for automobiles, which includes a conductor, and the conductor is further covered with polyester tape, aluminum-magnesium alloy wire mesh and wear-resistant insulating layer in sequence, the conductor includes a hollow core body, and the hollow core body has an inner conductor, The hollow core body further includes an inner ring portion covering the inner conductor, a plurality of rib portions extending radially from the inner ring portion, and an outer ring portion connecting outer ends of the rib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/02H01B11/06H01B13/00H01B13/14B60R16/02
CPCH01B11/06H01B7/02H01B13/00H01B13/14B60R16/0207
Inventor 李林森徐静田崇军夏霏霏刘倩倩徐健张志力
Owner FAR EAST CABLE