Isolation switch shunt bridge

A technology of isolating switch and shunt bridge, which is used in electrical switches, air switch parts, high-voltage air circuit breakers, etc., to reduce the degree of overheating and avoid the loss of power supply

Inactive Publication Date: 2017-04-19
HEBI POWER SUPPLY OF HENAN ELECTRIC POWERCORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a disconnector shunt bridge to solve the problem of shunting between disconnectors

Method used

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Experimental program
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Effect test

Embodiment 1

[0022] An isolating switch shunt bridge, such as figure 1 As shown, it includes: a bridge-shaped main body 2 and a control assembly; wherein, the two ends of the bridge-shaped main body 2 are provided with connectors connecting the contact fingers 1 of the isolating switch, the control assembly includes a temperature sensor and a push rod, and the sensing end of the temperature sensor is connected to the isolation switch. The contact 3 of the switch is connected, and the other end is connected with the push rod, and the push rod is connected with the bridge-shaped main body 2 to push the bridge-shaped main body 2 to move. The bridge-shaped main body 2 can form a bridge on the two isolating switch contacts 3 to realize effective shunting. In order to track the temperature rise of the isolating switch contact 3 more automatically and intelligently, a temperature sensor is used for temperature collection, and the high-temperature driving push rod is skillfully moved, and the driv...

Embodiment 2

[0029] This embodiment 2 is slightly modified on the basis of embodiment 1:

[0030] The connecting piece in embodiment 1 is modified as follows: two connecting arms, one connecting arm is hinged at both ends of the bridge-shaped main body 2, and the connecting arm overlaps with the contact finger 1 of the isolating switch. The connecting arm can be connected to the bridge body 2

[0031] Such as figure 2 As shown, the temperature sensor in Embodiment 1 is modified to: a gas expander 4, one end of the gas expander 4 is provided with a temperature-sensing contact 3, and the temperature-sensing contact 3 extends to the inside of the gas expander 4, and the gas expander 4 Contains gas that expands when heated and contracts when cooled.

Embodiment 3

[0033] Present embodiment 3 carries out slight modification on the basis of embodiment 1:

[0034] The control assembly also includes: a processor and a driving motor; the sensing end of the temperature sensor is in contact with the contact of the isolating switch, the signal output end is connected with the signal input end of the processor, the processor is connected with the driving motor, and the output rod of the driving motor for the push rod. After the temperature sensor senses the temperature, it will transmit the temperature value to the processor. The processor processes the data and sends a driving signal to the drive motor. The output rod of the drive motor drives the push rod to push the bridge-shaped main body to move.

[0035] The present invention analyzes the existing equipment, and the large current-carrying capacity is the main reason causing the heating of the isolating switch contacts. The developed isolating switch shunt bridge can reduce the carrying cap...

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Abstract

The invention relates to power transformation maintaining, in particular to a disconnecting switch shunting bridge which comprises a bridge-shaped body and a control component. The two ends of the bridge-shaped body are provided with connecting pieces which are connected with disconnecting switch touch fingers. The control component comprises a temperature sensor and a pushing rod. A sensing end of the temperature sensor is connected with a contact of a disconnecting switch. The other end of the temperature sensor is connected with the pushing rod which is connected with the bridge-shaped body, so that the bridge-shaped body is pushed to move. The shunting bridge can be erected between two disconnecting switches, the overheating degree of the disconnecting switch contact is avoided or lowered, time is bought for disconnecting switch contact overheating fault processing, fault processing is carried out during a load low ebb, and loss of power supply amount is avoided.

Description

technical field [0001] The invention relates to the field of substation maintenance, in particular to an isolating switch shunt bridge. Background technique [0002] In recent years, due to the rapid growth of load, the power grid is under great power supply pressure during the peak load period, and various equipment is also prone to failure during this period. Among them, the outdoor isolating switch is more common. Once such a failure occurs, it is often necessary to deal with it immediately. While dealing with the failure, it will also bring about the loss of power supply, the decline of power supply reliability, and the occurrence of customer complaints. To sum up, how to deal with the contradiction between maintenance power outage and customer power supply demand is the key to solving the problem. Contents of the invention [0003] The purpose of the present invention is to provide an isolating switch shunt bridge to solve the problem of shunting between isolating sw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H31/02H01H1/62
CPCH01H1/62H01H31/026
Inventor 武晓亮王勇王贵宾陈玉文高龙郑巍梁顺宁
Owner HEBI POWER SUPPLY OF HENAN ELECTRIC POWERCORP
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