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Multifunctional cable tester

A tester, multifunctional technology, applied in the field of multifunctional cable tester

Active Publication Date: 2017-06-13
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the development of technology, manual testers and single-item testers can no longer meet the needs of current cable testing, so there is an urgent need for a multi-functional cable automatic tester with high test coverage and test accuracy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] see Figure 1 to Figure 8 , a multifunctional cable tester, comprising a power supply circuit, an MCU circuit, a low voltage detection drive circuit, a high voltage detection drive circuit, a microwave noise source, a signal acquisition and amplification circuit, a microwave detection circuit and a display circuit, the power supply circuit is used for Supply power to the MCU circuit, the low-voltage detection drive circuit, the high-voltage detection drive circuit, the microwave noise source, the signal acquisition and amplification circuit, and the microwave detection circuit respectively. The low-voltage detection drive circuit is used to receive the control signal of the MCU circuit and output the measurement current to the line The positive pole of the cable DC resistance detection head, the positive pole of the cable DC resistance detection head is used to connect one end of the cable under test, the other end of the cable under test is connected to the common detec...

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PUM

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Abstract

The invention discloses a multifunctional cable tester. The multifunctional cable tester comprises a power supply circuit, an MCU circuit, a low voltage detection driving circuit, a high voltage detection driving circuit, a microwave noise source, a signal acquisition and amplification circuit, a microwave detection circuit and a display circuit. The multifunctional cable tester is divided into three independent function parts and two common function parts in the internal circuit design. The three independent function parts are a direct current resistance measurement part, a direct current insulation resistance measurement part and a coaxial line loss measurement part. The two common parts are a power source and a logic processing part. Basic parameters of a wire and a cable are measured in a single instrument, the test coverage rate is high and the accuracy of the test precision is high, and therefore the overall performance of the cable is ensured more effectively.

Description

technical field [0001] The invention belongs to the field of cable testing, in particular to a multifunctional cable testing instrument. Background technique [0002] Cable is a general term for optical cables, wires and cables, etc. used for optical signal transmission items. Cables have many uses and can be seen everywhere in real life. They are mainly used to control installation, connect equipment, transmit power and signal transmission, etc. They are common and indispensable items in daily life. [0003] Since cables are mainly used for signal transmission, there are certain requirements for their physical characteristics and electrical performance. Various tests need to be carried out during use to check whether its performance is normal and meets the requirements of use. The detection content generally includes open circuit short circuit, wiring error, insulation performance, withstand voltage performance, attenuation and crosstalk, etc. [0004] With the developme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R27/08G01R21/00G01B5/26
CPCG01B5/26G01R21/00G01R27/08
Inventor 青志明秦燕张宏艳傅望周飞刘克恒康成林谢焰章陈勇杨彬乐宗明常仕亮谢佳邹燕陈渝谢晨星
Owner STATE GRID CORP OF CHINA
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