Detecting method for short dot position of cable

A detection method and short-circuit point technology, applied in the direction of fault location, etc., can solve the problems of complex test process and high test requirements, and achieve the effect of simple test principle and simple operation

Inactive Publication Date: 2013-03-13
陕西海泰电子有限责任公司
View PDF2 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems of high testing requirements and complicated testing process of existing cable fault point detection methods, the

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Detecting method for short dot position of cable
  • Detecting method for short dot position of cable
  • Detecting method for short dot position of cable

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] like figure 1 As shown in the figure, a method for detecting the position of a cable breakpoint, assuming that the wire ab and the wire cd are selected as two uniform wires of equal length and equal spacing in the cable,

[0018] The steps for detecting the position of the short-circuit point of the cable are as follows:

[0019] a) Connect the two test leads of the resistance test instrument or equipment to the figure 1 The shown endpoint a and endpoint c, the measured wire resistance Rac=R1+R2;

[0020] b) Connect the two test leads of the resistance test instrument or equipment to the figure 1 The shown end point a and end point b, the measured wire resistance Rab=R1+R3;

[0021] c) Connect the two test leads of the resistance test instrument or equipment to the figure 1 The shown end point c and end point d, the measured wire resistance Rcd=R2+R4;

[0022] d) Calculate the relative distance X from the position of the short-circuit point to point c according to ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a detecting method for a short dot position of a cable. The detecting method includes the following steps that (1) two even leads equal in length and interval are selected in the cable; (2) two testing meter pens of a resistance testing instrument or device are connected with an endpoint a and an endpoint c of the lead ab and the lead cd respectively to obtain resistance Rac; (3) the two testing meter pens of the resistance testing instrument or device are connected with the endpoint a and an endpoint b of the lead ab respectively to obtain resistance Rab; and (4) the two testing meter pens of the resistance testing instrument or device are connected with the endpoint c and an endpoint d of the lead cd to obtain resistance Rcd and the like. By means of the method, the technical problem that the existing cable fault point detecting method is high in testing requirements and complex in a testing process is solved. The detecting method has the advantages of being convenient, easy to operate and the like.

Description

technical field [0001] The invention relates to a method for detecting the position of a cable short-circuit point. Background technique [0002] Existing cable testing methods generally test the on-resistance of each core wire of the cable, the insulation resistance between the core wires, and the withstand voltage. [0003] The common fault location testing method is the pulse reflection method, which mainly uses the reflection of the pulse wave caused by the impedance change of the cable at the fault location to locate the fault. The pulse reflection method uses the transmission speed and transmission time of the pulse wave in the cable (that is, the time difference between the reflected pulse wave and the incident pulse wave) to calculate the location of the fault point in the cable. The operation of the pulse reflection method is complicated, and a special pulse signal generator and pulse wave testing equipment are required. At the same time, the operator is required t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01R31/08
Inventor 郭恩全高宝平宁成军杨朋白晓峰郭永锋
Owner 陕西海泰电子有限责任公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap