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Wire integrity check

A wire and wire protection technology, applied in the direction of conductors, insulated conductors, instruments, etc., can solve the problems of high temperature of wires, negative impact on functions, high power consumption, etc.

Pending Publication Date: 2021-11-19
INFINEON TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Variations in one or more of these parameters can negatively affect proper function
For example, an increase in wire resistance will result in higher power dissipation for a given current, resulting in higher temperature of the wire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1 1

[0098] Example 1. A method comprising: measuring at least one electrical parameter of at least one conductor in a motor vehicle at a particular time to obtain measurement data; comparing the measurement data to comparison data maintained in a data store; and taking based on the comparison scheduled action.

example 2

[0099] Example 2. The method of Example 1, wherein the electrical parameter includes at least one of resistance, inductance, or capacitance of the wire.

example 3

[0100] Example 3. The method of example 1 or 2, wherein the data store is external to the vehicle and is coupled to the vehicle through a wireless communication channel.

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PUM

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Abstract

The invention relates to wire integrity check. A method is disclosed. The method includes measuring at least one electrical parameter (R, L, C) of at least one wire (10) in a motor vehicle (100) at a certain time instance (ti) to obtain measurement data (M(ti)); comparing the measurement data (M(ti)) with comparative data (C(ti)) held in a data storage (5); and taking a predefined action (63) dependent on the comparing.

Description

technical field [0001] The present invention generally relates to a method for checking the integrity of wires, particularly wires of wire harnesses in motor vehicles, such as automobiles. Background technique [0002] Wiring harnesses in modern automobiles can include a large number of wires, each of which is coupled between a power source and a corresponding load. Over time, one or more electrical parameters of the wire may change due to aging. Examples of electrical parameters that may vary include the resistance, inductance or capacitance of the respective wires. Variations in one or more of these parameters can negatively affect proper function. For example, an increase in wire resistance results in higher power dissipation at a given current, which results in higher wire temperatures. [0003] Therefore, it is desirable to check the integrity of the wires in the motor vehicle during use. SUMMARY OF THE INVENTION [0004] An example involves a method. The method ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/58G01R31/00
CPCG01R31/58G01R31/006G01R27/08G01R27/2611H02H7/226H02H3/08H01B7/0045G01R19/16571B60R16/0207
Inventor A·穆里埃T·布拉休斯
Owner INFINEON TECH AG