High-efficiency heat recycling energy-saving unit of indoor central air conditioning system

The invention discloses a high-efficiency heat recycling energy-saving unit of an indoor central air conditioning system. The high-efficiency heat recycling energy-saving unit comprises a unit body and a controller, wherein the controller is fixed to the outer part of the unit body; a heat exchanger, an evaporator and a fan are arranged inside the unit body; a cavity is formed in one side of the evaporator; the evaporator is arranged between the heat exchanger and the cavity; a first air inlet and a second air inlet are formed in the upper end of the cavity; an air outlet is formed in the lower end of the cavity; the fan is arranged at the air outlet; a central air outlet is formed in the lower side of the heat exchanger. The high-efficiency heat recycling energy-saving unit is simple in structural principle, can effectively control the indoor heat and cold and the air outlet volume, and is high in energy-saving efficiency. 本发明公开了种室内中央空调系统高效热回收节能机组，包括机组本体和控制器，控制器固定在机组本体外部，机组本体内部设有热交换机、蒸发器、鼓风机，蒸发器侧设置腔体，蒸发器设置在热