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Cable breakpoint tester

A tester and cable technology, which is applied in the field of cable breakpoint tester, can solve the problems of wasting cables, failing to find out the location of fault points, and difficult to troubleshoot hidden faults, etc., and achieves the effect of convenient use and light weight

Inactive Publication Date: 2012-05-09
国网宁夏电力有限公司信息通信公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, this wastes most of the cables, on the other hand, it is impossible to find out the location of the fault point, and it is difficult to troubleshoot hidden troubles

Method used

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  • Cable breakpoint tester
  • Cable breakpoint tester

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Experimental program
Comparison scheme
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Embodiment Construction

[0010] The key to the cable breakpoint test is how to extract the breakpoint signal. The tester of the present invention converts the passive signal into an active signal, applies an oscillating signal to the cable under test, and uses the cable under test as a signal generating circuit 2 and the coupling element between the power amplifying circuit 3, judge whether the coupling is successful according to the oscillating signal output of the power amplifying circuit 3, so as to judge whether there is a breakpoint in the cable, thereby forming an accurate and flexible cable breakpoint tester.

[0011] A cable breakpoint tester, including a DC power supply 1, the DC power supply 1 is connected to a signal generating circuit 2, the output end of the signal generating circuit 2 is connected to one end of the cable to be tested to output an oscillating signal, and a power amplifier is also included Circuit 3, the input end of the power amplification circuit 3 is connected to the pro...

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PUM

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Abstract

The invention relates to a cable breakpoint tester. The tester comprises a direct current power supply (1) and is characterized in that the direct current power supply (1) is connected with a signal generation circuit (2); the output end of the signal generation circuit (2) is connected with one end of a cable to be tested so as to output an oscillation signal; the cable breakpoint tester also comprises a power amplification circuit (3); the input end of the power amplification circuit (3)is connected with a probe, and the output end of the power amplification circuit (3) is grounded through a buzzer. The cable breakpoint tester has the advantages that single-core and multi-core interruption of cables, telephone wires, five types of net cables and the like can be accurately measured with error less than 3cm, and the tester has light total weight, can be held by hands, does not require an external independent power supply, and is convenient in use.

Description

technical field [0001] The invention relates to a cable breakpoint tester. Background technique [0002] In the process of on-site work, it is often encountered that the cable is damaged by external force and a breakpoint occurs. In the past, damaged cables were usually replaced and old cables discarded. In this way, most cables are wasted on the one hand, and on the other hand, it is impossible to find out the location of the fault point, and it is difficult to troubleshoot hidden troubles. Contents of the invention [0003] The purpose of the present invention is to provide a cable breakpoint tester, which can measure the breakpoint position in common cables. [0004] A cable breakpoint tester, including a DC power supply, which is particularly characterized in that the DC power supply is connected to a signal generating circuit, and the output end of the signal generating circuit is connected to one end of the cable to be tested so as to output an oscillating signal. ...

Claims

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Application Information

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IPC IPC(8): G01R31/02G01R31/08
Inventor 朱银为王福生张亮
Owner 国网宁夏电力有限公司信息通信公司