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Multifunctional combined type ice melting isolating switch

An isolating switch and combined technology, which is applied in the field of structural design of ice melting disconnecting switches, can solve the problems of long operation time, high work intensity, affecting the efficiency of ice melting operation, etc., so as to avoid safety risks, shorten downtime, improve The effect of melting ice operation efficiency

Pending Publication Date: 2019-06-18
SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a risk of high-altitude operations during manual ice melting, and the operation is time-consuming and intensive, which greatly affects the efficiency of ice-melting operations

Method used

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  • Multifunctional combined type ice melting isolating switch
  • Multifunctional combined type ice melting isolating switch
  • Multifunctional combined type ice melting isolating switch

Examples

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] Such as figure 1 , figure 2 , image 3 The multifunctional combined ice-melting isolating switch shown specifically includes a grounding switch 120, a grounding switch operating mechanism 119, a horizontally opening knife switch operating mechanism 101, a vertically opening knife switch 108, a vertically opening knife switch operating mechanism 113, a second A horizontal opening knife switch 114 and a second horizontal opening knife switch 116, the first horizontal opening knife switch 114 is installed on the top of the first horizontal opening operation insulator 103, and the second hor...

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Abstract

The invention provides a multifunctional combined type ice melting isolating switch. The multifunctional combined type ice melting isolating switch comprises a vertical opening type knife switch (108), a grounding switch (120), a first horizontal opening type knife switch (114), a second horizontal opening type knife switch (116) and a horizontal opening type knife switch operating mechanism (101); the end part of the first horizontal opening type knife switch (114) is fixedly connected with a first movable contact (115); the end part of the second horizontal opening type knife switch (116) isfixedly connected with a second movable contact (117); and the first horizontal opening type knife switch (114) and the second horizontal opening type knife switch (116) perform relative motion underthe driving of the horizontal opening type knife switch operating mechanism (101) to enable the first movable contact (115) and the second movable contact (117) to form embedded conductive connection. The multifunctional combined type ice melting isolating switch is used for power transmission line ice melting operation, manual wire disconnection operation can be avoided, ice melting operation safety risks are avoided, the outage time of the power transmission line during ice melting operation can be greatly shortened, and the ice melting operation efficiency is greatly improved.

Description

technical field [0001] The invention relates to the field of structural design of an ice-melting isolating switch, in particular to a multifunctional combined ice-melting isolating switch. Background technique [0002] With global climate change and the construction of UHV transmission projects, more and more high-voltage and ultra-high-voltage transmission lines across ice-covered areas are increasing, and the possibility of large-scale icing on transmission lines in winter is increasing; Ice usually leads to galloping accidents of ice-coated conductors and ice flash accidents of insulators. When the conductors are seriously ice-coated, there are even dangers of disconnection and tower collapse. [0003] For the icing of transmission lines, DC deicing devices are mainly used at present. For the safety of AC equipment, AC equipment and DC ice-melting lines need to be isolated when power transmission lines are thawed. In order to ensure that the DC voltage during ice meltin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/02H02G7/16
Inventor 冯千秀高元邹家勇余波许泳吴怡敏周德才李龙才蔡德江丁晓飞邢毅胡晓樊艳冯川曾捷李珊珊杨凌霜周特陈嘉翌梁弘毅牟婷婷郑旺
Owner SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
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