Time switch

The utility model provides a time switch, includes the casing, arranges the inside display module of casing in, power module, binding post and control output module. Power module's input is connected with binding post's input connection copper spare, and the output is connected with control output module with the display module, the display module is connected with control output module, control output module's output is connected with binding post's output connection copper spare, the display module includes liquid crystal display, battery and microcontroller, power module and liquid crystal display and microcontroller are connected, place display module inside in the battery in and are connected with microcontroller, when the main circuit cuts off the power supply, liquid crystal display outage, the battery is the microcontroller power supply, and microcontroller can carry out the save of data and the timing of current time, when the main circuit begins to supply power, cuts off the battery to microcontroller's power supply, and power module is microcontroller and liquid crystal display supplies power. The utility model provides a simple structure, it is small, the time switch of stable performance.