Control device for circuit breaker
A control device and circuit breaker technology, which is applied in the direction of emergency protection circuit devices, circuits, electrical components, etc., can solve problems such as unsafe control of circuit breakers, and achieve the effect of ensuring safety
Pending Publication Date: 2019-04-09
STATE GRID CORP OF CHINA +1
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Problems solved by technology
[0003] The embodiment of the present invention provides a circuit breaker control device, aiming to solve the problem of unsafe control of circuit breakers in the prior art
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[0031] In order to enable those skilled in the art to better understand this solution, the technical solution in this solution embodiment will be clearly described below in conjunction with the accompanying drawings in this solution embodiment. Obviously, the described embodiment is a part of this solution Examples, but not all examples. Based on the embodiments in this solution, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this solution.
[0032] The term "comprising" and any other variants in the description and claims of this solution and the above drawings mean "including but not limited to", and are intended to cover non-exclusive inclusion. In addition, the terms "first" and "second", etc. are used to distinguish different objects, not to describe a specific order.
[0033] The realization of the present invention is described in detail below in conjunction with specific accompa...
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The invention discloses a control device for a circuit breaker, and is used for controlling the circuit breaker to be switched on and off. The device comprises a switching-on switch module, a switching-off switch module, a switching-on coil control module and a switching-off coil control module, wherein the input end of the switching-on switch module and the input end of the switching-off switch module are jointly connected with a direct current positive power supply or an alternating current live wire; the output end of the switching-on switch module and the output end of the switching-off switch module are jointly connected with a direct current negative power supply or an alternating current ground wire; the switching-on coil control module is connected with the switching-on coil of thecircuit breaker; the switching-off coil control module is connected with the switching-off coil of the circuit breaker; when the switching-on switch module is conducted, the switching-on coil controlmodule is controlled to be conducted, the switching-on coil of the circuit breaker is electrified, and the circuit breaker is switched on; and when the switching-off switch module is conducted, the switching-off coil control module is controlled to be conducted, the switching-off coil of the circuit breaker is electrified, and the circuit breaker is switched off. By use of the device, the circuitbreaker can be controlled to be switched on and off, a situation that the circuit breaker is directly controlled to be switched on and off during overhauling is avoided, and the safety of workers isguaranteed.
Description
technical field [0001] The invention relates to the technical field of circuit design, in particular to a control device for a circuit breaker. Background technique [0002] With the development of urbanization, due to the scarcity of land and the increase of high-rise residential buildings, most power distribution rooms are built on the first or second floor of the basement. If the humidity is above 65%, after long-term operation, the insulation of some primary electrical equipment will drop. Due to the insulation drop of high-voltage primary electrical equipment, single-phase grounding and phase-to-phase short-circuit faults may occur. Directly operate the circuit breaker on and off during the line maintenance process. There is a safety hazard when the gate is opened. Contents of the invention [0003] An embodiment of the present invention provides a control device for a circuit breaker, aiming to solve the problem of unsafe control of the circuit breaker in the prior ...
Claims
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IPC IPC(8): H01H9/54H02H7/22
CPCH02H7/222H01H9/54
Inventor 邢月良张静波詹新民候立民张社安沈建良张凯王海涛冀娟唐捷张鹏亮王慧娟温拥军郭刚
Owner STATE GRID CORP OF CHINA