Super high drudging current limiting special throw-in type circuit breaker
An investment-type circuit breaker technology, which is applied to circuit breaker components, circuit breaker contacts, electromagnetic release switches, etc., can solve the problems of high current limiting coefficient and low inherent power factor of circuit breakers
Inactive Publication Date: 2010-09-01
WENZHOU NEW BLUD SKY ELECRICIAL
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Problems solved by technology
[0002] At present, the circuit breakers appearing on the market and data mainly include housing, handle, operating mechanism, contact system, arc extinguishing system, and thermal-magnetic tripping device. Traditional circuit breakers have a high current limiting coefficient, generally E≥ 0.5, the inherent power factor of the circuit breaker is low
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[0014] Such as figure 1 , figure 2 The specific input type circuit breaker for ultra-high breaking and current limiting includes a housing 1, a handle 11, an operating mechanism 2, a contact system 3, an arc extinguishing system 4, and a thermal-magnetic tripping device 5. The thermal The magnetic tripping device 5 includes an armature 51 and a coil 52. The housing 1 is provided with a circuit breaking chamber 12 and a current limiting chamber 13. The current limiting chamber 13 is provided with a current limiting system 6. The current limiting system 6 It includes an armature 51 shared with the magnetic tripping device 5, a moving contact piece 61, a brush wire 62, a current limiting wire 63 and a terminal 64, the terminal 64 is provided with a static contact 65, and the moving One end of the contact piece 61 is hinged with the armature 51, and the other end is adjacent to or separated from the static contact 65 provided on the terminal 64. The movable contact piece 61 and ...
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The invention relates to a breaker, in particular to an ultrahigh breaking current limiting specific inputting type breaker. The invention adopts the technical scheme as follows: the ultrahigh breaking current limiting specific inputting type breaker comprises a shell, a handle, a control mechanism, a contact terminal system, an arc extinguishing system and a thermomagnetic tripping device; a breaking cavity and a current limiting cavity are arranged in the shell; a current limiting system is arranged in the current limiting cavity; the current limiting system comprises a gag bit, a movable wafer, an electric brush wire, a current limiting wire and a post head which are shared with the thermomagnetic tripping device; a static contact terminal is arranged on the post head; one end of the movable contact terminal is hinged with the gag bit and the other end is matched with the static contact terminal arranged on the post head in a closing or separating way; the movable contact terminal and a loop are connected by the electric brush wire; and the static contact terminal and the movable terminal contact arranged on the post head are connected by the current limiting wire. The ultrahigh breaking current limiting specific inputting type breaker with low power consumption and simple structure is provided by adopting the technical scheme.
Description
technical field [0001] The invention relates to a circuit breaker, in particular to an ultra-high breaking and current-limiting specific input type circuit breaker. Background technique [0002] At present, the circuit breakers appearing on the market and data mainly include housing, handle, operating mechanism, contact system, arc extinguishing system, and thermal-magnetic tripping device. Traditional circuit breakers have a high current limiting coefficient, generally E≥ 0.5, the inherent power factor of the circuit breaker is low. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the present invention provides an ultra-high breaking current-limiting specific input circuit breaker with low power consumption and simple structure. [0004] In order to achieve the above purpose, the present invention provides the following technical solutions: an ultra-high breaking and current limiting specific input circuit breaker, including a housing, a ha...
Claims
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IPC IPC(8): H01H73/04H01H73/36
Inventor 黄明光
Owner WENZHOU NEW BLUD SKY ELECRICIAL