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A metal-enclosed high-voltage switchgear internal dehumidification device

A high-voltage switchgear, metal-enclosed technology, applied in the setting of switchgear with metal casing, cooling/ventilation of substation/switchgear, details of substation/switch layout, etc., can solve the problems of poor dehumidification effect and achieve dehumidification Good effect, ensure normal operation, and reduce the effect of humidity content

Active Publication Date: 2022-03-29
HUBEI LIANGYUAN ELECTRIC POWER ENERGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the disadvantage of poor dehumidification effect in the prior art, and propose a dehumidification device inside a metal-enclosed high-voltage switchgear

Method used

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  • A metal-enclosed high-voltage switchgear internal dehumidification device
  • A metal-enclosed high-voltage switchgear internal dehumidification device
  • A metal-enclosed high-voltage switchgear internal dehumidification device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] refer to Figure 1-4 , a dehumidification device inside a metal-enclosed high-voltage switchgear, including a lower plate 1, a plurality of air intake pipes 2 are placed on the upper end of the lower plate 1, and a plurality of first through holes 3 are opened on the upper end of each air intake pipe 2, the first The function of the through hole 3 is to inhale moist air. The upper end of the lower plate 1 is fixedly connected with the upper plate 4, and the upper end of the upper plate 4 is connected with a humidity sensor 10. The function of the humidity sensor 10 is to detect the humidity in the high-voltage switchgear. The upper surface of 4 is provided with several second through holes 9, and the lower surface of the upper plate 4 is provided with grooves 5, and a net pocket 6 is fixedly connected in the groove 5, and the function of the net pocket 6 is to fix the water-absorbing agent 7, and the net pocket 6 is filled with There is water-absorbing agent 7, the effe...

Embodiment 2

[0022] refer to Figure 1-4 , as another preferred embodiment of the present invention, the difference from Embodiment 1 is that the condensing mechanism includes a condenser 19, and the function of the condenser 19 is to liquefy the moisture in the air after work and reduce the controlled humidity. The condenser 19 is fixed on On the box body 17, the upper end of the condenser 19 is provided with a first air outlet 20, and the bottom end of the condenser 19 is provided with an air inlet, and the air inlet is connected with a second conduit 18, and one end of the second conduit 18 is connected with the fan 16, The bottom end of the condenser 19 is connected with a water outlet pipe 21, and the function of the water outlet pipe 21 is to discharge the water droplets generated during the liquefaction process.

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Abstract

The invention relates to the technical field of electric power equipment, in particular to an internal dehumidification device of a metal-enclosed high-voltage switchgear, which includes a lower plate, a plurality of air intake pipes are placed on the upper end of the lower plate, and a plurality of first passages are opened on the upper end of each air intake pipe. hole, the upper end of the upper plate is connected with a humidity sensor, the groove is fixedly connected with a net bag, the net bag is filled with water absorbent, the lower surface of the net bag is connected with water absorbent cotton, the upper end of the first conduit is connected with the box, and the upper end of the support frame is connected There is a fan, the air inlet of the fan is connected with the first conduit, the air outlet of the fan is connected with a condensing mechanism, and the bottom of the condensing mechanism is connected with a collecting mechanism. The invention detects the internal humidity through the humidity sensor, controls the fan to start, and the water-absorbing agent and the water-absorbing cotton to dry the air initially, and the controller controls the start-up of the condensation mechanism to perform secondary drying of the air. The dehumidification effect is good, and the normal operation of the high-voltage switchgear is guaranteed.

Description

technical field [0001] The invention relates to the technical field of electric equipment, in particular to a dehumidification device inside a metal-enclosed high-voltage switch cabinet. Background technique [0002] The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. The main function of the switch cabinet is to generate, transmit, distribute and In the process of electric energy conversion, open and close, control and protect electrical equipment. The components in the switch cabinet are mainly composed of circuit breakers, isolating switches, load switches, operating mechanisms, transformers and various protection devices. Inside the switch cabinet equipment Condensation causes creepage and flashover accidents. In order to ensure the safe operation of the power grid system and the long life and saf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02B13/02H02B1/28H02B1/56B01D53/28B01D53/26
CPCH02B13/02H02B1/28H02B1/565B01D53/26B01D53/261B01D53/265B01D53/28
Inventor 袁银华刘亮
Owner HUBEI LIANGYUAN ELECTRIC POWER ENERGY CO LTD