Interruption device
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsMIMA FURUKAWA, HIDEKI IWAKI, EIICHI SADAYUKI, TOMOAKI FURUSE, KENJIRO KUMAZAWA, SHINYA SAITO
Life of this patent
Estimating the term…
Abstract
A cutoff device includes a conductor wire, a pyrotechnic circuit breaker, a plurality of drive circuits connected to the pyrotechnic circuit breaker in parallel and configured to activate the pyrotechnic circuit breaker, and a control circuit. The control circuit sets an output current value and a period for which the output current is output to each of the drive circuits, and causes the drive circuits to supply the power for activating the pyrotechnic circuit breaker when the pyrotechnic circuit breaker needs to be activated.
Claims13
A cutoff device comprising:
- a conductor wire;
- a pyrotechnic circuit breaker configured to cut off the conductor wire irreversibly;
- a first drive circuit group including a plurality of drive circuits connected to the pyrotechnic circuit breaker in parallel, and configured to supply power for activating the pyrotechnic circuit breaker;
- and
- a control circuit configured to control operations of the plurality of drive circuits, wherein
- the control circuit is configured:
- when the pyrotechnic circuit breaker needs to be activated, to control an output current value and a period for which the output current is output, for each one of the plurality of drive circuits;
- and
- to cause the first drive circuit group to supply the power for activating the pyrotechnic circuit breaker.
Dependencies are inferred from the claim text.