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Detection device for mining integrated protection system based on PLC and industrial control computer

A detection device and industrial computer technology, applied in the direction of testing dielectric strength, circuit breaker testing, etc., can solve the problems of simple function, complex structure, poor reliability, etc., and achieve the effect of reliable performance, simple structure, and complete functions

Inactive Publication Date: 2019-02-01
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing detection devices are mainly based on traditional relays or single-chip microcomputer control, which have complex structures, poor reliability, and simple functions

Method used

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  • Detection device for mining integrated protection system based on PLC and industrial control computer
  • Detection device for mining integrated protection system based on PLC and industrial control computer
  • Detection device for mining integrated protection system based on PLC and industrial control computer

Examples

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Embodiment Construction

[0024] In this embodiment, the PLC used is the S7-200CN series CPU226 PLC produced by Siemens, and the communication port PORT0 of the PLC is connected with the RS232 of the industrial computer. The configuration software used on the industrial computer is the Century Star configuration software of Beijing Century Changqiu Co., Ltd.

[0025] Digital ammeter, digital voltmeter and digital resistance meter are HD-A1-96B-R-A5, HD-V1-96B-R-V800, HD-OM-96B-R intelligent The digital meter and the withstand voltage tester are the YD9810A program-controlled withstand voltage tester produced by Changzhou Yangzi Electronics Co., Ltd.

[0026] Overload signal, overload time, phase failure signal, phase failure time, overvoltage signal, overvoltage time, undervoltage signal, undervoltage time, leakage lockout signal, synchronous test start, A phase synchronous timing, B phase synchronous timing, C phase Synchronous timing, timing reset, and withstand voltage test start are connected to t...

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Abstract

The invention discloses a detection device for a mining integrated protection system based on a PLC and an industrial control computer, which realizes the detection for overload, open-phase, over-voltage, under-voltage, and earth-leakage lockout of the electronic integrated protector in the mining integrated protection system, and realizes the detection for synchronous pull-in time and withstand voltage of the vacuum AC contactor. The ends of an overload signal, an overload time, an open-phase signal, an open-phase time, an over-voltage signal, an over-voltage time, an under-voltage signal, anunder-voltage time, an earth-leakage lockout signal, a synchronous test start, an A-phase synchronous timing, a B-phase synchronous timing, a C-phase synchronous timing, a timing reset, and a withstand voltage test start are connected with the input end of the PLC. The detection device for a mining integrated protection system based on a PLC and an industrial control computer is simple in structure, convenient to use, complete in function, and reliable in performance.

Description

technical field [0001] This patent relates to a detection device for a mine comprehensive protection system, in particular to a detection device for a mine comprehensive protection system based on PLC and an industrial computer. Background technique [0002] With the improvement of automation in coal mine production, a variety of mining integrated protection systems are widely used in underground power supply lines, branch lines, mobile substations, motors, coal drills, and underground lighting signals, mainly electromagnetic starters. Some are electronic integrated protectors and vacuum AC contactors. The working environment of the underground coal mine is harsh, and the comprehensive protector and the vacuum AC contactor may malfunction. Due to the important role of the comprehensive protector and the vacuum AC contactor, it must be ensured that they work normally. For this reason, regular testing is required. The new comprehensive protector is used Must be tested. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12G01R31/327
CPCG01R31/12G01R31/327
Inventor 陈伟何前进胡祥伟王亚明邓海顺
Owner ANHUI UNIV OF SCI & TECH
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