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Multichannel super-soft low-loss high temperature-resistant vehicle-mounted CAN signal bus

A signal bus, low-loss technology, applied in the direction of conductors, climate change adaptation, insulated cables, etc., can solve problems such as extrusion, torsion, impact, and CAN bus stability, achieve high damping, improve heat exchange efficiency, The effect of increasing the heat exchange area

Pending Publication Date: 2019-11-01
HUAINAN WENFENG AEROSPACE CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the working environment of the CAN bus inside the car is relatively harsh, such as high temperature, electromagnetic interference, etc., and most CAN buses are arranged in a curved manner, sometimes being squeezed, twisted, and impacted, these factors have a greater impact on the stable operation of the CAN bus. Impact

Method used

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  • Multichannel super-soft low-loss high temperature-resistant vehicle-mounted CAN signal bus
  • Multichannel super-soft low-loss high temperature-resistant vehicle-mounted CAN signal bus
  • Multichannel super-soft low-loss high temperature-resistant vehicle-mounted CAN signal bus

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0069] The inside of the filling layer 3 6 is provided with a plurality of special-shaped heat pipes 1 9;

[0070] Such as figure 2 As shown, the special-shaped heat pipe-9 is a spiral micro heat pipe;

[0071] Each of the special-shaped heat pipes 19 is arranged parallel to the axial direction of the transmission line 7, and a plurality of special-shaped heat pipes 19 are arranged around and arranged in the filling layer 3 6;

[0072] The shell of the special-shaped heat pipe-9 is made of aluminum material, and the outer wall of the special-shaped heat pipe-9 is provided with a foamed aluminum layer;

no. 2 example

[0074] The interior of the filling layer 3 6 is provided with a special-shaped heat pipe 2 10;

[0075] Such as image 3 As shown, the special-shaped heat pipe 10 is a spiral micro-heat pipe, the number of which is multiple and intermittently arranged up and down, and each of the special-shaped heat pipes 9 is arranged parallel to the axial direction of the transmission line 7, and a plurality of special-shaped heat pipes 19 surrounds Arranged in the filling layer 3 6;

no. 3 example

[0077] Such as Figure 4 and Figure 5 As shown, the inside of the filling layer 3 6 is provided with a special-shaped heat pipe 3 11;

[0078] Such as Figure 6 As shown, the special-shaped heat pipe three 11 includes: arc heat pipe one 101, arc shrapnel one 102, through hole one 103, arc shrapnel two 104, arc heat pipe two 105, arc shrapnel three 106, arc shrapnel four 107, through hole two 108;

[0079] The upper part of the arc-shaped heat pipe 101 is connected with the lower part of the arc-shaped shrapnel 102;

[0080] The lower part of the first arc-shaped heat pipe 101 is connected to the upper part of the second arc-shaped shrapnel 104;

[0081] The upper part of the arc-shaped heat pipe two 105 is connected with the lower part of the arc-shaped shrapnel three 106;

[0082] The lower part of the arc-shaped heat pipe two 105 is connected with the upper part of the arc-shaped shrapnel four 107;

[0083] Described arc shrapnel one 102 is provided with through hole ...

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Abstract

The invention relates to the field of automobile accessories, in particular to a multichannel super-soft low-loss high temperature-resistant vehicle-mounted CAN signal bus, which comprises a first protective layer, a first filling layer, a second protective layer, a second filling layer, a third protective layer, a third filling layer, a transmission line, a terminal resistor, first special-shapedheat pipes, a second special-shaped heat pipe and a third special-shaped heat pipe, wherein the first special-shaped heat pipe is a spiral micro heat pipe; each first special-shaped heat pipe is parallel with the axial direction of the transmission line; and multiple first special-shaped heat pipes are arranged in a surrounding manner in the third filling layer. The first special-shaped heat pipes are used to cool the working environment of the transmission line, and the twisting, bending and compression resistance characteristics of the self spiral structure of the first special-shaped heatpipe play buffering and resisting roles for the external force applied to the transmission line.

Description

technical field [0001] The invention relates to the field of auto parts, in particular to a multi-channel super-flexible, low-loss, and high-temperature-resistant vehicle-mounted CAN signal bus. Background technique [0002] As consumers have more and more requirements for car functions, and the realization of these functions is mostly based on electronic operations, which makes the communication between electronic devices more and more complicated and means that more connection signal lines are required. The original motivation for proposing the CAN bus is to solve the communication between the huge electronic control devices in modern automobiles, reduce the increasing signal lines, and apply the CAN bus to reduce the wiring of the body and further save costs. [0003] Because the working environment of the CAN bus inside the car is relatively harsh, such as high temperature, electromagnetic interference, etc., and most CAN buses are arranged in a curved manner, sometimes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/42H01B7/24H01B7/285H01B7/295H01B7/20H01B7/28H01B11/06
CPCH01B7/421H01B7/24H01B7/285H01B7/295H01B7/205H01B7/2806H01B11/06Y02A30/00
Inventor 徐文利王迟龙叶桦张群刘庆永朱小红杨涛蒋华平姬永浩刘陆邹良龙赵莉
Owner HUAINAN WENFENG AEROSPACE CABLE CO LTD
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