Circuit breaker arc-extinguishing device
A technology of arc striking device and circuit breaker, which is applied in the direction of circuit breaker components, circuits, electrical components, etc. It can solve the problems of weak electric field, long arc burning time, and fast contact ablation, so as to strengthen the strength of the magnetic field, The effect of shortening the arcing time and obvious economic benefits
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[0016] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:
[0017] Such as figure 1 with figure 2 The shown arc striking device of a circuit breaker includes a moving contact 1, a static contact 2, an arc striking piece 3, a magnetizing block 4 and an arc extinguishing chamber 5, and an arc extinguishing grid is arranged at the front end of the arc extinguishing chamber 5 6. The moving contact 1 is located above the static contact 2, the front end of the arc striker 3 is fixedly installed on the static contact 2, the middle and tail of the arc striker 3 are suspended in the air, and the arc striker 3 is suspended in the air. The tail of the arc plate 3 extends to the lower part of the arc extinguishing grid 6, and the charged particles in the arc quickly enter the arc extinguishing chamber 5 along the arc plate. There is a gap 31 between the front end of the arc plate 3 and the static contact 2 , the magnetiz...
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