Horizontal vacuum circuit breaker
A vacuum circuit breaker and circuit breaker technology, which is applied to high-voltage air circuit breakers, circuits, electrical components, etc., can solve problems such as deformation, and achieve the effects of improving bending resistance, avoiding deformation under force, and improving safety in use
Inactive Publication Date: 2022-03-08
武汉黎赛科技有限责任公司
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Problems solved by technology
[0004] Based on the above problems, the purpose of the present invention is to provide a horizontal vacuum circuit breaker, which has strong bending resistance and can effectively solve the problem of deformation during use
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[0034] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.
[0035] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describin...
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The invention relates to the technical field of rail transit high-voltage equipment, and discloses a horizontal vacuum circuit breaker which comprises a circuit breaker shell, a mounting assembly and a supporting assembly. The circuit breaker shell is transversely arranged, the mounting assembly comprises a base and a supporting plate, and the supporting assembly comprises a first insulating supporting piece and a second insulating supporting piece which are connected with the circuit breaker shell. Under the requirement of horizontal installation, the first insulation supporting piece and the second insulation supporting piece can provide stable support for the circuit breaker shell, the circuit breaker shell is prevented from being deformed due to bending moment in the long-term use process, and the bending resistance of the vacuum circuit breaker is improved. As the circuit breaker shell is transversely arranged, the wiring end of the primary terminal can be directly wired from one end of the vacuum circuit breaker, and a lead mode of horizontal installation of the vacuum circuit breaker is met. Due to the existence of the base, the vacuum circuit breaker can be directly fixed at the bottom in the high-voltage box, so that the circuit breaker shell does not bear transverse load, the vacuum circuit breaker is prevented from being stressed and deformed, and the use safety of the vacuum circuit breaker is improved.
Description
technical field [0001] The invention relates to the technical field of rail transit high-voltage equipment, in particular to a horizontal vacuum circuit breaker. Background technique [0002] The core component of the vacuum circuit breaker is the vacuum interrupter. When the vacuum interrupter breaks the current, an arc is generated between the two electrodes. The arc contains metal vapor of the electrode material and tiny metal droplets. The metal vapor and metal droplets cool to form metal dust. With the accumulation of vacuum circuit breaker switching times, metal dust will accumulate. For vertical vacuum circuit breakers, the metal dust in the vacuum interrupter will accumulate in the collector at the front end of the bellows under the action of gravity when installed vertically, which will not affect the work of the vacuum interrupter. If the vacuum circuit breaker is placed horizontally, it is necessary to additionally design a corresponding metal dust collector to ...
Claims
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IPC IPC(8): H01H33/66H01H33/662H01H33/664H01H33/666
CPCH01H33/66H01H33/662H01H33/666H01H33/664
Inventor 黎莎刘江锋
Owner 武汉黎赛科技有限责任公司