Energy-saving system of central air conditioner

The utility model discloses an energy-saving system of a central air conditioner, which reduces energy consumption cost, improves the energy utilization efficiency and provides a comfortable environment for users. The energy-saving system of the central air conditioner comprises a dynamic temperature control module of a refrigerating machine, a dynamic flow control module of a chilled water pump, a dynamic flow control module of a cooling water pump, a cooling efficiency control module of a refrigeration water tower fan, an environment temperature control module of an air-conditioning wind cabinet, a refrigerant partitioning and time-division flow control module of a pipe network, an operating control module at the tail end of the air conditioner and an electricity-saving optimizing monitoring module arranged on an upper computer, wherein the electricity-saving optimizing monitoring module communicates with the dynamic temperature control module of the refrigerating machine, the dynamic flow control module of