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Railway disconnecting switch opening and closing monitoring system

A technology of isolation switch and monitoring system, applied in electrical switches, circuits, measuring devices, etc., can solve the problems of inaccurate detection, image recognition easily affected by the environment, inaccurate measurement, etc., and achieve the effect of accurate angle information

Inactive Publication Date: 2021-05-11
EAST CHINA JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, image recognition is easily affected by the environment, resulting in inaccurate detection; pressure measurement, angle measurement, attitude detection, etc. all use electronic sensors. The influence of interference and voltage breakdown leads to inaccurate measurement

Method used

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  • Railway disconnecting switch opening and closing monitoring system
  • Railway disconnecting switch opening and closing monitoring system
  • Railway disconnecting switch opening and closing monitoring system

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Experimental program
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Embodiment Construction

[0036] The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings.

[0037] see Figure 1 to Figure 8 Shown is a railway isolating switch opening and closing monitoring system in the present invention, including an angle acquisition device 1 , a light source optical fiber 2 , a signal processing controller 3 , and a receiving optical fiber 4 .

[0038] Such as figure 1 As shown, the angle acquisition device 1 is installed on the upper part of the post insulator on one side of the moving contact of the railway isolating switch, and is connected with the rotating end of the moving contact. The signal processing controller 3 is installed on the base of the railway isolating switch, and the light source The optical fiber 2 and the receiving optical fiber 4 are connected between the angle acquisition device 1 and the signal processing controller 3, and the signal processing controller 3 contro...

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Abstract

The invention discloses a railway disconnecting switch opening and closing monitoring system which comprises an angle acquisition device, a light source optical fiber, a signal processing controller and a receiving optical fiber. The signal processing controller controls the light source optical fiber to irradiate light into the angle acquisition device, then the receiving optical fiber receives the reflected light, and the reflected light is transmitted to the signal processing controller for photoelectric conversion; the rotating angle information of a moving contact of a railway disconnecting switch is converted into a readable voltage signal through photoelectric conversion, so that the relation between the rotating angle of the moving contact of the railway disconnecting switch and an output voltage value is obtained, namely the opening and closing angle of the railway disconnecting switch can be detected. The calculated rotation angle information of the moving contact of the railway disconnecting switch is sent to a monitoring center of a railway related department through wireless transmission, so that the related operators can conveniently confirm the switching-on and switching-off condition of the railway disconnecting switch, and then switching-on and switching-off monitoring on the railway disconnecting switch is realized.

Description

technical field [0001] The invention relates to the field of railway isolating switches, in particular to a monitoring system for opening and closing of railway isolating switches. Background technique [0002] The railway isolating switch is one of the indispensable electrical equipment in the railway power supply system. It is a kind of high-voltage isolating switch and plays a role in ensuring the safety of power supply. It is necessary to confirm the opening and closing status of the isolating switch during the opening and closing operation of the high-voltage isolating switch, so as to avoid operating accidents caused by improper opening and closing. When it is in the closing position, the moving contact should have a sufficient cutting depth to ensure that the contact area meets the requirements, but it is not allowed to close too much. It is required that the moving contact has a gap of 3 to 5 mm from the base of the static contact, otherwise the closing is too much ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/26H01H9/16
CPCG01B11/26H01H9/16
Inventor 刘子英张靖文竞舟武刚朱琛磊谢瑞朱永才
Owner EAST CHINA JIAOTONG UNIVERSITY
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