Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Online abnormity monitor of high tension switchgear

A high-voltage switchgear and monitoring device technology, applied in measuring devices, radiation pyrometry, optical radiation measurement, etc., can solve problems such as increasing the number of power outages and power outage time, complicating the temperature measurement workflow, and inability to guarantee high temperature phenomena. Achieve the effects of avoiding high temperature accidents, reliable monitoring results and simple structure

Inactive Publication Date: 2015-11-25
STATE GRID SHANDONG ELECTRIC POWER COMPANY WEIFANG POWER SUPPLY +1
View PDF7 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The thermistor method measures temperature, the thermistor is easy to damage and requires a lot of maintenance; the temperature display wax film method can judge the approximate temperature of the temperature measurement point according to the melting of the wax film, but the temperature measurement accuracy of this method is low and reliable. Poor performance; the infrared temperature measurement method is a non-contact temperature measurement, which is not easy to damage the device, but most of the high-voltage switchgear is a closed structure, which cannot penetrate the metal cabinet door to measure the temperature inside
Due to the mechanical lock and electrical lock of the metal door of the switch cabinet, the metal cabinet door can only be opened for measurement when the equipment is powered off and the grounding switch is closed. This obviously increases the number of power outages and power outage time, and complicates the temperature measurement workflow.
In addition, the use of the above temperature measurement methods cannot guarantee that the operation and maintenance personnel will discover the high temperature phenomenon of the equipment in time.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Online abnormity monitor of high tension switchgear
  • Online abnormity monitor of high tension switchgear

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] With reference to the accompanying drawings, the abnormal online monitoring device for high-voltage switchgear of the present invention includes a plurality of temperature detection modules 3 installed in the cabinet body 1 and corresponding to the cable terminal joints 2 one by one, and the signal output terminals of each temperature detection module 3 are electrically connected On a single-chip microcomputer 4, the temperature detection module 3 can adopt a non-contact infrared temperature sensor, which can continuously measure temperature repeatedly. Also electrically connected with alarm bell module 5, warning lamp module 6, GSM module 7 and display module 8 on the single-chip microcomputer 4, display module 8 can adopt liquid crystal display and display module 8 is installed on the outer wall of cabinet body 1.

[0017] In the above structure, a temperature detection module 3 is installed in the cabinet to dynamically monitor the temperature of the cable terminal jo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an online abnormity monitor of a high tension switchgear. The monitor comprises multiple temperature detection modules which are mounted in the switchgear body in one to one correspondence with cable termination joints, the signal output ends of the temperature detection modules are electrically connected to a single-chip microcomputer, the single-chip microcomputer is also electrically connected with an alarm bell module, an alarm lamp module, a GSM module and a display module, and the display module is mounted at the outer wall of the switchgear body. An alarm device comprises a smog detection module which is mounted in the switchgear body and electrically connected with the single-chip microcomputer as well as an image collection which is mounted in the switchgear body and electrically connected with the single-chip microcomputer. The monitor has the advantages of simple structure, convenient use and comprehensive and reliable monitoring.

Description

technical field [0001] The invention relates to an abnormal online monitoring device for a high-voltage switch cabinet. Background technique [0002] With the rapid development of social economy, the demand for electric power is increasing, and users have higher and higher requirements for power supply reliability. Correspondingly, higher requirements are put forward for the safety and stability of high-voltage switchgear in substations. Require. [0003] Key parts such as switch contacts, busbar transition points, and cable terminal joints in the high-voltage switchgear are prone to high temperature phenomena during long-term operation, which affects the safe operation of equipment. The study found that when the joints at the inlet and outlet cables of the high-voltage switchgear have poor contact, poor manufacturing technology, unqualified materials, and excessive loads, the cable terminal joints will experience high temperatures. If hidden dangers cannot be detected and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12G01J5/00G01N33/00
Inventor 高振国吴杰赵中亮高金伟仪大勇张笑庆陈岩刘洋刘勇孙光亮
Owner STATE GRID SHANDONG ELECTRIC POWER COMPANY WEIFANG POWER SUPPLY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products