Control Circuit System using Additional Signal of Electronic Watt-Hour Meter

摘要

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a latch type electromagnetic contactor circuit system and a driving method of an electronic watt-hour meter, and more particularly to a technique for starting a circuit for controlling a load by receiving a power supply at a time point or an additional signal of an electronic watt-Type electronic watt-hour meter, a G-type low-voltage electronic watt-hour meter, and the like.A latch type electromagnetic contactor circuit system and a driving method of an electronic watt-hour meter according to the present invention includes a G-type detection circuit module for sensing and controlling a G-type latch type signal; A low voltage standard detection circuit module for detecting and controlling an open collector signal; A G-type / low-voltage standard type compound circuit module for performing control according to a type of a signal input based on a mode selection signal; A time position detection circuit module for maintaining a voltage supplied to the central control module and sensing and controlling a power input signal; And a central control module for controlling and controlling the G-type detection circuit module, the low-voltage standard detection circuit module, the G-type / low-voltage standard integrated circuit module, and the time position detection circuit module.