Coaxial circuit breaker tripping device
A technology of tripping device and circuit breaker, which is applied in the direction of protection switch operation/release mechanism, etc., which can solve the problems of complex structure of circuit breaker, easy burning of electromagnetic coil, difficulty in adapting electromagnetic tripping force, etc.
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Embodiment 1
[0039] Such as figure 1 and figure 2 As shown, the electromagnetic tripping device 5 is a cold electromagnetic tripping device 5A, and the cold electromagnetic tripping device 5A includes a cold tripping permanent magnet static iron core 9, a cold tripping moving iron core 10, a tripping impact energy storage Spring 11, cold tripping striker 12 and cold electromagnetic coil 14A;
[0040] The cold electromagnetic coil 14A is wound on the cold electromagnetic coil frame 14-1A, the cold tripping moving iron core 10 is movably arranged in the shaft hole of the cold electromagnetic coil frame 14-1A, and the cold tripping permanent magnet static iron The core 9 is fixedly embedded in one end of the cold electromagnetic coil frame 14-1A, and the cold trip striker 12 is arranged at the other end of the cold electromagnetic coil frame 14-1A, and is connected with the cold trip moving iron core. 10 is fixedly connected, the tripping impact energy storage spring 11 is connected betwee...
Embodiment 2
[0047] Such as image 3 and Figure 4 As shown, the electromagnetic tripping device 5 is a thermal electromagnetic tripping device 5B, and the thermal electromagnetic tripping device 5B includes a thermal electromagnetic coil 14B, a thermal tripping electromagnetic static iron core 15, a thermal tripping moving iron core 16, a thermal Tripping striker 17 and return spring 18; the thermal electromagnetic coil 14B is wound on the thermal electromagnetic coil frame 14-1B, and the thermal trip electromagnetic static iron core 15 is fixedly embedded in the thermal electromagnetic coil frame 14-1B At one end, the thermal tripping moving iron core 16 is movably arranged in the shaft hole of the thermal electromagnetic coil skeleton 14-1B, the thermal tripping moving iron core 16 and the thermal tripping striker 17 are co-cast together, the The thermal tripping striker 17 passes through the thermal tripping electromagnetic static iron core 15 and is close to the tripping pendulum 6; ...
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