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Infrared array temperature measurement monitoring system of high-voltage isolating switch contact

A high-voltage isolation switch and monitoring system technology, applied in the field of temperature measurement systems, can solve problems such as inconvenient maintenance, heavy wiring, and tedious installation, and achieve the effects of improving reliability, avoiding adverse effects, and solving difficult monitoring.

Inactive Publication Date: 2015-01-28
重庆瑞升康博电气有限公司
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AI Technical Summary

Problems solved by technology

The first reason is that there is exposed high voltage in the cabinet, and the usual temperature measurement method cannot be used; second, the online real-time temperature measurement system of the switch cabinet currently used in the power system is complicated to install, heavy wiring, inconvenient to maintain, and high in cost.

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  • Infrared array temperature measurement monitoring system of high-voltage isolating switch contact
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  • Infrared array temperature measurement monitoring system of high-voltage isolating switch contact

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Embodiment Construction

[0018] High-voltage isolating switch contact infrared array temperature measurement and monitoring system includes infrared temperature array sensor, microprocessor unit, keyboard unit, display unit, sound and light alarm unit, level conversion unit, CAN bus controller, optocoupler isolation unit, CAN Composed of transceiver controller and power conversion unit.

[0019] Infrared temperature array sensor 1 performs non-contact measurement of the contact temperature of the high-voltage isolating switch in the high-voltage switchgear. Temperature measurement sensor, the measured signal passes through I 2 The C interface communicates with the microprocessor unit 2; after the calculation and analysis by the microprocessor unit 2, the result is displayed in real time through the display screen 4 on the contact temperature of the high-voltage isolating switch and the ambient temperature inside the high-voltage switch cabinet;

[0020] On the other hand, the level conversion is carr...

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Abstract

The invention relates to a temperature measurement system of a transformer substation, in particular to an infrared array temperature measurement monitoring system of a high-voltage isolating switch contact. The infrared array temperature measurement monitoring system is composed of an infrared temperature array sensor, a microprocessor unit, a keyboard unit, a display screen unit, a sound and light alarm unit, a level conversion unit, a CAN bus controller, an opto-isolator unit, a CAN transceiver controller and a power supply conversion unit. The infrared temperature array sensor carries out non-contact measurement on the temperature of the high-voltage isolating switch contact in a high-voltage switch cabinet, and measured signals are transmitted to the microprocessor unit; after the microprocessor unit carries out operational analysis on the measured signals, results are displayed in real time through a display screen and output to a CAN-BAS through the CAN bus controller and the CAN transceiver controller so that a far-end duty room mounted on a CAN bus or control center computer equipment can share and process the data in real time.

Description

technical field [0001] The invention relates to a temperature measuring system of a substation, in particular to a high-voltage isolating switch contact infrared array temperature measuring and monitoring system. Background technique [0002] In the power system, high-voltage switch cabinets and cable branch boxes in power plants and substations are important equipment to ensure stable and reliable power supply. Existing electrical equipment has higher and higher requirements for the reliability of power supply. Under the condition of high voltage and high current, the working reliability of the high-voltage switchgear is closely related to the temperature rise of the isolating switch contacts. During the operation of the power grid, mechanical vibration, contact ablation and other reasons can deteriorate the contact conditions, increase the contact resistance, cause the temperature of the contact point to rise, and aggravate the oxidation of the contact surface. [0003] I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/10
Inventor 陈军许祝杨波冯伟胡涛
Owner 重庆瑞升康博电气有限公司
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