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High voltage power equipment temperature online monitoring system based on MSP430 single chip microcomputer

A high-voltage power equipment and monitoring system technology, applied to thermometers, thermometers, and parts of thermometers that use directly heat-sensitive electric/magnetic elements, can solve the problems of unusable temperature measurement methods and small spaces, and achieve convenience Effect of installation and debugging, shielding electromagnetic field interference

Pending Publication Date: 2017-09-19
ELECTRIC POWER SCI RES INST OF GUIZHOU POWER GRID CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

Due to the exposed high voltage and narrow space in the high-voltage power equipment, the commonly used temperature measurement method cannot be used

Method used

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  • High voltage power equipment temperature online monitoring system based on MSP430 single chip microcomputer
  • High voltage power equipment temperature online monitoring system based on MSP430 single chip microcomputer
  • High voltage power equipment temperature online monitoring system based on MSP430 single chip microcomputer

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Embodiment Construction

[0020] The on-line temperature monitoring system for high-voltage power equipment consists of a temperature measurement module and a data processing module installed at temperature measurement points. The invention will be further described below in conjunction with the accompanying drawings.

[0021] in, figure 1 Components include: temperature probe, digital-to-analog converter, MSP430F123 single-chip microcomputer and MSP430F413 single-chip microcomputer, infrared transmitter, infrared receiver, storage module, key input module, liquid crystal display module, and host computer. figure 2 Components include: PT1000 platinum thermal resistance, parallel regulated voltage reference source TLV431, high-precision resistors R1 and R2 with one-thousandth precision, and bipolar transistors. image 3 Components include: MSP430 microcontroller, resistors, bipolar transistors, infrared transmitter and infrared receiver.

[0022] Such as figure 1 , the specific functions of the syste...

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Abstract

The invention relates to a high voltage power equipment temperature online monitoring system based on an MSP430 single chip microcomputer. The system comprises a temperature measurement module and a data processing module. The temperature measurement module collects an environmental temperature or power equipment surface temperature through a temperature probe. After multi-channel analog quantity is subjected to A / D conversion, the MSP430 single chip microcomputer controls an infrared emission head to send temperature data to the data processing module. After the data processing module receives the temperature data, the data processing module judges whether temperature exceeds a normal range and timely gives an alarm signal, and at the same time the temperature data of each channel is displayed in liquid crystal. A PT1000 temperature probe is used to collect the environmental temperature or power equipment surface temperature, the MSP430 single chip microcomputer controls the infrared emission head to send the temperature data to the data processing module, the data processing module transmits the data to a host machine through a serial port, and the online monitoring and early warning of high voltage power equipment temperature are realized.

Description

technical field [0001] The invention belongs to the field of on-line real-time inspection and maintenance of power equipment, in particular to an on-line temperature monitoring system of high-voltage power equipment based on MSP430 single-chip microcomputer. Background technique [0002] During the long-term operation of equipment in power plants and substations, some parts will heat up due to aging or excessive contact resistance, and the temperature of these heating parts cannot be monitored in real time, so it is very easy to cause accidents such as equipment burning or sudden power failure. Solving the overheating problem of power equipment is the key to prevent such accidents from happening. Due to the exposed high voltage and the narrow space in the high-voltage power equipment, the commonly used temperature measurement method cannot be used. This invention will introduce an MSP430-based high-voltage power equipment temperature online monitoring system, which uses a P...

Claims

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Application Information

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IPC IPC(8): G01K7/18G01K1/02G01K1/024G01K1/08G01K1/143
CPCG01K1/024G01K1/028G01K7/18
Inventor 刘君赵立进黄良曾华荣张迅彭辉周甜徐晓彤郑绘绘
Owner ELECTRIC POWER SCI RES INST OF GUIZHOU POWER GRID CO LTD
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