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Power switching circuit and intelligent door lock
An embodiment of the invention provides a power switching circuit and an intelligent door lock, relating to the field of electronic equipment. The power supply switching circuit comprises: an LDO power supply circuit, a DC-DC power supply circuit, an inversion circuit and a control circuit, wherein a first wiring end of the LDO power supply circuit is connected with to-be-powered equipment; a first wiring end of the DC-DC power supply circuit is connected with the to-be-powered equipment; a first wiring end of the inversion circuit is connected with a second wiring end of the LDO power supplycircuit, a second wiring end of the inversion circuit is connected with the control circuit, and a second wiring end of the DC-DC power supply circuit is connected with the control circuit. The LDO power supply circuit and the DC-DC power supply circuit are switched through using the control circuit, and the use efficiency of the power supply can be improved to a certain extent.
本申请实施例提供了一种电源切换电路及智能门锁,涉及电子设备领域,该电源切换电路包括:LDO供电电路,所述LDO供电电路的第一接线端与待供电设备连接,DC‑DC供电电路,所述DC‑DC供电电路的第一接线端与所述待供电设备连接,取反电路,所述取反电路的第一接线端与所述LDO供电电路的第二接线端连接,控制电路,所述取反电路的第二接线端与所述控制电路连接,所述DC‑DC供电电路的第二接线端与所述控制电路连接。本申请利用控制电路实现对LDO供电电路和DC‑DC供电电路的切换,其在一定程度上可以提升电源的使用效率。
Power switching circuit and intelligent door lock
An embodiment of the invention provides a power switching circuit and an intelligent door lock, relating to the field of electronic equipment. The power supply switching circuit comprises: an LDO power supply circuit, a DC-DC power supply circuit, an inversion circuit and a control circuit, wherein a first wiring end of the LDO power supply circuit is connected with to-be-powered equipment; a first wiring end of the DC-DC power supply circuit is connected with the to-be-powered equipment; a first wiring end of the inversion circuit is connected with a second wiring end of the LDO power supplycircuit, a second wiring end of the inversion circuit is connected with the control circuit, and a second wiring end of the DC-DC power supply circuit is connected with the control circuit. The LDO power supply circuit and the DC-DC power supply circuit are switched through using the control circuit, and the use efficiency of the power supply can be improved to a certain extent.
本申请实施例提供了一种电源切换电路及智能门锁,涉及电子设备领域,该电源切换电路包括:LDO供电电路,所述LDO供电电路的第一接线端与待供电设备连接,DC‑DC供电电路,所述DC‑DC供电电路的第一接线端与所述待供电设备连接,取反电路,所述取反电路的第一接线端与所述LDO供电电路的第二接线端连接,控制电路,所述取反电路的第二接线端与所述控制电路连接,所述DC‑DC供电电路的第二接线端与所述控制电路连接。本申请利用控制电路实现对LDO供电电路和DC‑DC供电电路的切换,其在一定程度上可以提升电源的使用效率。
Power switching circuit and intelligent door lock
电源切换电路及智能门锁
CHEN YUPING (author)
2020-10-09
Patent
Electronic Resource
Chinese
European Patent Office | 2023
|European Patent Office | 2020
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