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Structure for high-voltage on-line temperature monitoring of photo-electric conversion embedded pole

A technology of solid-sealing poles and photoelectric converters, applied in radiation pyrometry, electrical radiation detectors, measuring devices, etc., can solve problems such as poor heat dissipation and insulation aging of contact boxes, to prevent switchgear accidents, reduce The effect of reducing power failure loss and improving the reliability of power supply

Inactive Publication Date: 2012-01-04
陈津
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the contacts are in the contact box and have poor heat dissipation, their overheating causes the insulation of the contact box to age and cause short-circuit accidents to occur frequently

Method used

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  • Structure for high-voltage on-line temperature monitoring of photo-electric conversion embedded pole
  • Structure for high-voltage on-line temperature monitoring of photo-electric conversion embedded pole
  • Structure for high-voltage on-line temperature monitoring of photo-electric conversion embedded pole

Examples

Experimental program
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Effect test

Embodiment 1

[0014] see figure 1 , figure 2 and image 3 , there is a solid-sealed pole main body 15, and the solid-sealed pole main body 15 is provided with an upper contact temperature sensing unit and a lower contact temperature sensing unit; An upper induction power supply 2 is embedded in the upper outlet seat of the upper outlet, and an upper photoelectric converter 3 is provided at the upper end of the solid-sealed pole main body 15. The upper induction power supply 2 is connected to the upper photoelectric converter 3 through embedded wires, and the upper photoelectric converter 3 is connected to There is an upper heat detector 1, the upper heat detector 1 and the upper movable contact of the external handcart touch the sensing temperature signal, the inner end of the upper photoelectric converter 3 is connected with the upper infrared emission tube 4, and the upper infrared emission tube 4 corresponds to the upper gas Gap channel 5, the other end of upper air gap channel 5 is p...

Embodiment 2

[0016] see figure 1 , Figure 4 and Figure 5 , there is a solid-sealed pole main body 15, and the solid-sealed pole main body 15 is provided with an upper contact temperature sensing unit and a lower contact temperature sensing unit; An upper induction power supply 2 is embedded in the upper outlet seat of the upper outlet, and an upper photoelectric converter 3 is provided at the upper end of the solid-sealed pole main body 15. The upper induction power supply 2 is connected to the upper photoelectric converter 3 through embedded wires, and the upper photoelectric converter 3 is connected to There is an upper heat detector 1, the upper heat detector 1 and the upper movable contact of the external handcart touch the sensing temperature signal, the inner end of the upper photoelectric converter 3 is connected with the upper infrared emission tube 4, and the upper infrared emission tube 4 corresponds to the upper gas Gap channel 5, the upper infrared emission tube 4 is connec...

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Abstract

The invention discloses a structure for high-voltage on-line temperature monitoring of a photo-electric conversion embedded pole, belonging to an on-line temperature monitor for high-voltage electric power equipment. The structure is provided with an embedded pole main body, and the main body is provided with an upper contact temperature sensing unit and a lower contact temperature sensing unit. In the invention, the temperature sensing unit for online circuit breaker contact temperature monitoring and the embedded pole are combined into one; a thermal detector is directly contacted with the circuit breaker moving contact of switch equipment with accurate measuring positions and an measuring temperature; and an induction power supply is adopted for supplying power, thus preventing power cut, battery replacement and battery voltage reduction from influencing the temperature measurement. The structure with the sensing unit being modularization-embedded in the embedded pole is safe and reliable and convenient for self-maintenance, does not occupy additional space and damage the original equipment structure, realizes online circuit breaker contact temperature monitoring, reduces switch equipment failure, improves power supply reliability, and is convenient for realizing switch equipment status overhaul and smart grid construction.

Description

technical field [0001] The invention relates to an online temperature monitoring device for high-voltage electric equipment. Specifically, it is a structure of high-voltage temperature on-line monitoring photoelectric conversion solid-sealed pole. Background technique [0002] The measure to prevent the overheating of the current-carrying circuit of the switchgear is one of the eighteen major anti-accident measures of the State Grid Corporation of China. Switchgear is a key device in the power system, and its operating status directly affects the reliability of power supply in the distribution network. At present, the mainstream product of medium-voltage switch cabinets produced in my country is medium-weight handcart cabinets, accounting for about 75%. Handcart contacts often overheat due to poor contact, running vibration, oxidation and other reasons. Because the contacts are in the contact box and have poor heat dissipation, the overheating of the contact box leads to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J5/10G01J5/02
Inventor 陈津
Owner 陈津
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