Ultra-fast dual-power switching mechanism and switching method

Abstract

The invention relates to an ultra-fast dual-power switching mechanism and a switching method. The mechanism comprises a low-voltage direct-current electromagnet, a high-voltage direct-current electromagnet and a gear and rack mechanism. The gear and rack mechanism comprises a gear, a high-voltage direct-current rack and a low-voltage direct-current rack, and the gear is located between the high-voltage direct-current rack and the low-voltage direct-current rack; the low-voltage direct-current electromagnet comprises low-voltage left and right mounting seats and low-voltage left and right sliding iron cores; a low-voltage left sliding iron core and a low-voltage right sliding iron core are respectively arranged in the low-voltage left mounting seat and the low-voltage right mounting seat; the high-voltage direct-current electromagnet comprises high-voltage left and right mounting seats and high-voltage left and right sliding iron cores; a high-voltage left sliding iron core and a low-voltage right sliding iron core are respectively arranged in the high-voltage left mounting seat and the high-voltage right mounting seat; and coils are arranged on the peripheries of the sliding iron cores of the low-voltage and high-voltage direct-current electromagnets. The high-voltage direct-current electromagnet is used for accelerating, and the low-voltage direct-current electromagnet is used for closing the circuit, so that the circuit conversion is quickly and accurately carried out. And power supply switching can be carried out within milliseconds.

Description

technical field [0001] The present invention relates to a dual power supply switching mechanism and switching method, in particular to an ultra-fast dual power supply switching mechanism and switching method that uses a high-voltage DC electromagnet to accelerate and a low-voltage DC electromagnet to close the circuit to achieve fast and accurate circuit conversion . Background technique [0002] At present, the switching time of dual power switches and DC circuit breakers is too long when the circuit is switched, which makes it difficult to extinguish the arc and cause arc extinguishing difficulties. The switching time of conventional motors is in seconds, and it is difficult to switch in milliseconds. In order to solve the problem of long switching time of the dual power switch and the complexity of the switching device of the motor transmission mechanism, an ultra-fast dual power switching mechanism is proposed. Contents of the invention [0003] In view of the above p...

AI Technical Summary

Problems solved by technology

[0002] At present, the switching time of dual power switches and DC circuit breakers is too long when the circuit is switched, which makes it difficult to extinguish the arc and cause difficulty in arc extinguishing. The conventional motor switching time is in seconds, and it is difficult to achieve switching in milliseconds.

In order to solve the problem of long switching time of the dual power switch and the complexity of the switching device of the motor transmission mechanism, an ultra-fast dual power switching mechanism is proposed

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