Intelligent switch circuit, power supply system and intelligent switch

The utility model discloses an intelligent switch circuit, a power supply system and an intelligent switch, and relates to the technical field of power supply, and the intelligent switch circuit is characterized in that a first connection end of a control module is connected with a zero line interface, and a second connection end of the control module is connected with a first connection end of a toggle switch; a second connecting end of the toggle switch is connected with the first live wire interface, and a third connecting end of the toggle switch is connected with the second live wire interface; the null line interface is used for being connected with the first null line end or the second null line end; the first live wire interface is used for being connected with a first live wire end corresponding to the first zero line end when the first connecting end of the toggle switch and the second connecting end of the toggle switch are conducted, so that the first live wire end is communicated with the second