Synthesis data acquisition terminal of energy-saving scheduling system

• Main Authors: QIN YUYI, FENG HAN, LIU DINGCHUN
• Format: Patent
• Language: Chinese; English
• Published: 12.08.2009
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

The utility model relates to a comprehensive data acquisition terminal of an energy conservation dispatching system, which belongs to an intelligent data acquisition device used for collecting signals of electric quantity remote measurement, water level, flow rate and remote signaling in a small hydropower station and uploading the signals to a host computer of the dispatching system. The utility model comprises an Atmega128 singlechip; a current and voltage sampling circuit which mainly comprises MAX125 chips for collecting the voltage and current data of a voltage transformer and a current transformer as well as the water level and the flow rate signals of the hydropower station and then transmitting the data and the signals to the singlechip; a 232 level interface circuit which serves as a direct connection serial port communicating channel between the singlechip and the host computer; a data storage circuit comprising AT45DB081 chips; 485 or 422 interface circuit. The electrical energy data of a multifunc