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Interlocking device for high-voltage switch cabinet

A high-voltage switchgear and interlocking device technology, applied in the field of high-voltage switchgear, can solve the problems of increasing the production cost of switchgear and increasing the procurement cost of circuit breakers, and achieve the effect of reducing safety switching

Inactive Publication Date: 2016-11-23
ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional mechanical interlock requires the circuit breaker manufacturer to install the mechanical lock inside the circuit breaker when it leaves the factory, and realize the "two-in-one" function through the key on the front panel of the circuit breaker. Although this method is feasible, it increases the cost of the circuit breaker. Procurement cost, thus increasing the production cost of the switchgear

Method used

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  • Interlocking device for high-voltage switch cabinet
  • Interlocking device for high-voltage switch cabinet
  • Interlocking device for high-voltage switch cabinet

Examples

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Embodiment Construction

[0018] like Figure 1-6 As shown, the present invention includes that the upper part of the circuit breaker 5 is provided with a program lock 1 and is fixed on the circuit breaker 5 through the mounting bracket 2, and the side panel 4 of the switch cabinet is provided with an interlocking baffle 3, and the interlocking baffle 3 is provided with There are through holes, and the positions of the through holes correspond to the test positions of the circuit breaker 5 .

[0019] The interlocking baffle 3 is fixed on the cabinet side plate 4 by bolts. The position where the interlocking baffle 3 is fixed on the side panel 4 of the cabinet corresponds to the position where the program lock 1 is fixed.

[0020] The program lock 1 of the present invention is fixed on the upper part of the circuit breaker 5 through the mounting bracket 2, and the interlock baffle 3 is fixed on the side plate 4 of the cabinet body through bolts. The interlocking baffle 3 is provided with a through hol...

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PUM

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Abstract

The invention discloses an interlocking device for a high-voltage switch cabinet. The interlocking device is characterized by comprising a breaker, wherein an app lock is arranged at the upper part of the breaker and is fixed on the breaker by virtue of an assembly rack; an interlocking baffle is arranged on the side plate of the switching cabinet; and a running through hole is formed in the interlocking baffle, and is positioned corresponding to the test position of the breaker. By adopting the structure, the app lock is additionally arranged based on the existing breaker, so that mechanical locking for the testing position of the breaker can be realized, customization of a specific breaker is avoided, and the production cost can be furthest reduced while two paths of incoming power supplies of the high-voltage switch cabinet can be switched safely.

Description

technical field [0001] The invention relates to the technical improvement of a high-voltage switch cabinet, in particular to an interlocking device for a high-voltage switch cabinet. Background technique [0002] At present, the mid-mounted high-voltage switchgear is widely used in power supply and distribution systems. When the power supply mode of the system uses two incoming power supplies to supply power to the same section of the busbar, strict mechanical and electrical interlocks must be established between the two incoming power circuit breakers to ensure that only one incoming power circuit breaker is allowed to be in operation at any time. luck status. [0003] The traditional mechanical interlock requires the circuit breaker manufacturer to install the mechanical lock inside the circuit breaker when it leaves the factory, and realize the "two-in-one" function through the key on the front panel of the circuit breaker. Although this method is feasible, it increases ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H9/20
CPCH01H9/20
Inventor 李开明周波付强吴俊梅寒志
Owner ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD
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