High-temperature-resistant digital cable for automotive bus

A technology for digital cables and automobile buses, which is applied to cables, circuits, electrical components, etc. with double-stranded/quad-stranded, which can solve the problems of good heat resistance and wear resistance, and achieve good wear resistance. , The effect of good anti-interference performance and good flame retardant performance

Inactive Publication Date: 2012-05-16
北京斯普乐电线电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the harsh environment of automobile driving engineering, the current automobile bus cables cannot meet the requirements of high heat resistance, good wear resistance, oil resistance and flame retardancy

Method used

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  • High-temperature-resistant digital cable for automotive bus
  • High-temperature-resistant digital cable for automotive bus
  • High-temperature-resistant digital cable for automotive bus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] see figure 1 (accompanying drawing only shows the cross-section of the present invention, and the longitudinal appearance diagram of the present invention is omitted), and the high-temperature-resistant digital cable for automobile bus of the present invention has two digital signal transmission cores 1 arranged in parallel, and the digital signal transmission core 1 Filling cores 2 are arranged symmetrically on both sides. The digital signal transmission core and the filling core form a composite transmission core. A spiral-wrapped shielding layer 3 is arranged outside the composite transmission core. At least one interference signal lead-out core 4 parallel to the composite transmission core is set, a metal wire braided shielding layer 5 is arranged outside the spirally wrapped shielding layer, and a cable sheath 6 is arranged outside the metal wire braided shielding layer; The signal transmission wire core is composed of multi-strand copper wire bundles covered with ...

Embodiment 2

[0024] The high-temperature-resistant digital cable for automobile bus in this embodiment is an improvement on the basis of Embodiment 1. The technical content similar to that of Embodiment 1 will not be described here one by one. The technical content disclosed in Embodiment 1 is also It should be understood as the technical content disclosed in this embodiment.

[0025] In order to improve the high temperature resistance of the present invention, the maximum operating temperature of the insulating layer (normal operation) in the digital signal transmission core in the present embodiment is 150° C., and the material of the insulating layer is a cross-linked polyolefin material (150° C. XLPO; 150°C cross-linked polyolefin), fluoroplastics (polyfluoroethylene propylene FEP, commonly known as F46; ethylene-tetrafluoroethylene copolymer ETFE, commonly known as F40), elastomer insulating materials (TPE-E; thermoplastic polyester elastomer one of the materials). The maximum workin...

Embodiment 3

[0027] The high temperature resistant digital cable for the automobile bus in this embodiment is an improvement on the basis of the second embodiment.

[0028] In order to improve the high temperature resistance of the present invention, the maximum working temperature of the filled core in this embodiment is 150°C; the wire diameter of the filled core is 45%-65% of the digital signal transmission core wire diameter; the filled The core material is low-loss radiation cross-linked polyolefin material (150°C XLPO; 150°C cross-linked polyolefin), fluoroplastic (polyfluoroethylene propylene FEP, commonly known as F46; ethylene-tetrafluoroethylene copolymer ETFE, Commonly known as F40), elastomer insulation material (TPE-E; thermoplastic polyester elastomer material).

[0029] see figure 2 , in this embodiment, in order to improve the transmission performance and overall performance of the cable, the filled core 21 is designed to be an irregular oval shape.

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Abstract

The invention relates to a high-temperature-resistant digital cable for an automotive bus, comprising two digital signal transmission cores disposed in parallel, wherein filling cores are symmetrically disposed at the both sides of each digital signal transmission core; the digital signal transmission cores and the filling cores compose a compound transmission core; a spiral lapped shielding layer is disposed outside the compound transmission core; at least one interference signal leading-out core parallel to the compound transmission core is disposed outside the spiral lapped shielding layer; a metal wire weaved shielding layer is disposed outside the spiral lapped shielding layer, and a cable jacket is disposed outside the metal wire weaved shielding layer; the digital signal transmission cores are formed by wrapping an insulating layer outside a multi-strand copper wire bundle respectively; and the interference signal leading-out core is composed of the multi-strand copper wire bundle. The high-temperature-resistant digital cable for an automotive bus disclosed by the invention is good in interference resistance, capable of achieving a heat-resisting class of 150 DEG C, as well as good in flame resistance, wear resistance and oil resistance.

Description

technical field [0001] The invention relates to a high-temperature-resistant digital cable for automobile bus. The cable has two digital signal transmission cores arranged in parallel. The digital signal transmission core and the filling core form a composite transmission core, and a spiral-wrapped shielding layer is arranged outside the composite transmission core. , the shielding layer is provided with an interference signal lead-out core, and a cable sheath is provided outside it. Background technique [0002] With the improvement of people's requirements for the safety and comfort of automobiles, the number of automatic control units and equipment in automobiles continues to increase, and their performance requirements are also getting higher and higher. In the automotive electronic system, there are a large number of automotive electronic control units, such as: automotive ABS anti-lock braking system, automotive anti-theft system, and various monitoring and control ele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/10H01B5/08
CPCY02A30/00
Inventor 蔡顺祥刘万峰李大立陈果
Owner 北京斯普乐电线电缆有限公司
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