Intelligent circuit breaker
A technology of intelligent circuit breaker and circuit board, which is applied in the direction of protection switch operation/release mechanism, etc., which can solve the problems of circuit breaker device damage, manual operation of circuit breaker, limited application, etc., and achieve power-off protection and automatic switching. Gate, to achieve the effect of remote control
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Embodiment 1
[0053] Such as Figure 1-5 As shown, this embodiment provides an intelligent circuit breaker, which mainly includes a housing 1, a contact system disposed in the housing 1, an arc extinguishing device 8, an electric operating mechanism and a circuit board.
[0054] Wherein, the contact system includes a movable contact 201 and a static contact 202 that cooperate with each other, and the movable contact 201 has a connected position with the static contact 202 and a disconnected position with the static contact 202 separated. The electric operating mechanism is used to drive the action of the moving contact of the contact system, and the circuit board is used to control the action of the electric operating mechanism.
[0055] When the main circuit is powered off, the circuit board responds to the main circuit’s power off, and automatically drives the electric operating mechanism to move forward, and the electric operating mechanism drives the moving contact 201 to move from its ...
Embodiment 2
[0085] As an alternative implementation of the smart circuit breaker in Embodiment 1, this embodiment provides a smart circuit breaker whose bistable electromagnetic mechanism is a single-coil electromagnetic mechanism, such as Figure 12 The shown includes: a third coil 401, a second moving iron core 402 arranged in the third coil 401 and capable of reciprocating axially along the third coil 401, respectively arranged in the second moving iron core 402 The third static iron core 403 and the fourth static iron core 404 at both axial ends, and the second permanent magnet 405 located on both radial sides of the third coil 401, the second moving iron core 402 has a The first pull-in position of the three static iron cores 403 and the second pull-in position of the fourth static iron core 404; The coil 401 provides a third current to generate a magnetic field force to drive the second moving iron core 402 to the second pull-in position, and the second moving iron core 402 drives t...
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