Real-time online monitoring device of outdoor terminal box temperature and humidity of transformer substation

A technology for monitoring devices and substations, which can be used in measurement devices, circuit devices, electrical components, etc., to solve the problem of not being able to monitor the temperature and humidity of terminal boxes in real time.

Inactive Publication Date: 2013-10-16
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a real-time online monitoring device for temperature and humidity of the outdoor terminal box of a substation, which solves the problem that the temperature and humidity inside the terminal box cannot be monitored in real time in the prior art

Method used

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  • Real-time online monitoring device of outdoor terminal box temperature and humidity of transformer substation

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Experimental program
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Embodiment

[0015] Such as figure 1 As shown, at least one temperature sensor and at least one humidity sensor are installed in the terminal box, and the temperature sensor and humidity sensor transmit the detected information to the remote control panel with electrical signals, and the remote control panel transmits the information to the substation through the network Local and dispatch monitoring system host computer.

[0016] The temperature sensor and the humidity sensor are respectively connected to a 220V DC system, and connected in series with a resistor and a relay. The relay is a microelectronic voltage relay, which prevents the relay from being damaged after a period of time due to the startup circuit being in a conduction state.

[0017] The working principle of the present invention is as follows: use the starting value of the relay and the characteristic curve of the temperature and humidity sensor to set the resistance, so that when the temperature and humidity reach the s...

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Abstract

The invention relates to a real-time online monitoring device of an outdoor terminal box temperature and humidity of a transformer substation. The device is characterized in that at least one temperature sensor and at least one humidity sensor are arranged in the terminal box; the temperature sensor and the humidity sensor transmit detected information to a telecontrol screen in an electric signal mode; the telecontrol screen transmits the information to a local place of the transformer substation and a scheduling monitoring system host computer through a network. According to the invention, in the terminal box of the transformer substation, real-time monitoring is performed on a display value of a temperature and humidity controller, which is convenient for operation maintenance personnel to timely and accurately analyze and determine temperature and humidity data in the terminal box. An insulation condition of a secondary loop cable and a temperature and humidity condition of a switch body are accurately transmitted to a monitoring system so that the real-time monitoring is realized and reliability of equipment operation is increased.

Description

technical field [0001] The invention relates to a temperature and humidity monitoring device, in particular to a real-time on-line temperature and humidity monitoring device for an outdoor terminal box of a substation, and belongs to the technical field of combining relay protection and automation. Background technique [0002] The outdoor terminal box of the substation is an important part of connecting the primary and secondary equipment. Therefore, whether the temperature and humidity in the box are normal or not affects the normal operation of the primary and secondary equipment; at the same time, the operating environment of the secondary control cables is monitored. Therefore, the monitoring terminal The temperature and humidity in the box play a certain role in the stable operation of the power system. [0003] In the existing technology, substation operators need to inspect the switches every day to check whether the temperature and humidity are normal, but real-time...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02G08C19/00H02J13/00
CPCY02E60/723Y04S40/143Y02E60/7884Y04S10/16Y02E60/00
Inventor 孙涛
Owner STATE GRID CORP OF CHINA
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