Temperature control system coupled with heat pump water heater

A temperature control system with a circulating water coupled with a heat pump water heater, comprising:

• a heat exchanging host (1), in which said heat exchanging host (1) is equipped with a heat exchanger (11) and a cooling system,
• a supply water pipeline (2), in which said supply water pipeline (2) is in communication with said heat exchanger (11),
• a return water pipeline (3), in which at least one room temperature adjusting apparatus is installed in parallel between said return water pipeline (3) and said supply water pipeline (2),
• a heat pump water heater (6), in which said heat pump water heater (6) further comprises a temperature-rise water tank (61), a heat pump evaporator (63), and a compressor (64) wherein said temperature-rise water tank (61) is provided with a heat exchanging tube (62) with the two ends of said heat exchanging tube (62) being connected to said heat pump evaporator (63) and said compressor (64) respectively, wherein an expansion valve (67) is provided between said heat exchanging tube (62) and said heat pump evaporator (63), wherein said heat pump evaporator (63) is in communication with said compressor (64) and coupled to said return water pipeline (3) or said supply water pipeline (2), and wherein said temperature-rise water tank (61) is provided with a cold water inlet (65) and a hot water outlet (66),
• a buffer water tank (5), in which said buffer water tank (5) is connected to said heat exchanger (11) and to the end of said return water pipeline (3), and there is a circulating water body provided in said buffer water tank (5), said supply water pipeline (2) and said return water pipeline (3), and
• a water pump, in which said water pump is provided in the supply water pipeline (2) or in the return water pipeline (3).