The invention provides a self-locking circuit. The self-locking circuit comprises a first switching element and a second switching element. The control end of the first switch element is used for acquiring a closing control signal; the control end of the second switch element is connected with the first connecting end of the first switch element, the first connecting end of the second switch element is used for being connected with a power supply, and the second connecting end of the second switch element is connected with the control end of the first switch element. According to the configuration, after the first switch element obtains the closing control signal, the first switch element and the second switch element can be kept in a long-term closing state and do not need to be limited by an external control signal any more; on the basis of the structure, the specific normally open switch can be further controlled to be kept closed on the premise that no control signal exists, the design requirements for dormancy of the controller and reduction of energy consumption and/or cost are met, and the problems existing in the prior art are solved.
本发明提供了一种自锁电路,所述自锁电路包括第一开关元件和第二开关元件。所述第一开关元件的控制端用于获取闭合控制信号;所述第二开关元件的控制端与所述第一开关元件的第一连接端连接,所述第二开关元件的第一连接端用于连接电源,所述第二开关元件的第二连接端与所述第一开关元件的控制端连接。如此配置,当所述第一开关元件获取所述闭合控制信号之后,所述第一开关元件和所述第二开关元件可以保持长期闭合状态而不再需要外部控制信号进行限制,基于上述结构可以进一步控制特定的常开开关在没有控制信号的前提下保持闭合,满足了控制器休眠和降低能耗和/或成本的设计需求,解决了现有技术中存在的问题。
Self-locking circuit
自锁电路
2022-09-23
Patent
Electronic Resource
Chinese
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