Patent ID: 11898779
Assignee: QINGDAO UNIVERSITY OF TECHNOLOGY
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 7:
8. A method for supplying energy from the subway hybrid-energy multifunctional-end-integrated heat pump system according to claim 1, the method comprising turning on the first valve to allow the subway capillary tube heat pump unit to absorb waste heat from the subway tunnel to heat hot water to generate the hot water, turning on the second valve to allow the hot water to enter the hot water storage tank, and turning on the twelfth valve and the seventh circulating water pump; in summer, controlling, by the central processing device, corresponding controllers to turn on the seventh valve, the eighth valve, the ninth valve, and the fifth circulating water pump to allow the air-cooled heat pump unit to supply cold energy to the air conditioner end; controlling, by the central processing device, corresponding controllers to turn on the third circulating water pump, the third valve, and the fourth valve to allow circulating water in the hot water storage tank to flow back to the solar panel and the subway capillary-tube heat pump unit to absorb solar energy and the subway waste heat, when a water temperature at an outlet of the solar panel is greater than or equal to 60° C.; controlling, by the central processing device, the corresponding controllers to turn off the third valve, the fourth valve, and the third circulating water pump to allow the circulating water in the hot water storage tank to flow back to the subway capillary-tube heat pump unit to be heated by the subway waste heat to supply hot water to the hot water supply end, if the water temperature at the outlet of the solar panel is less than 60° C.; in winter, turning on the thirteenth valve, the fourteenth valve, the eighth circulating water pump, and the ninth circulating water pump, and controlling, by the central processing device, the corresponding controllers to turn off the seventh valve, the eighth valve, the ninth valve, and the fifth circulating water pump; controlling, by the central processing device, the corresponding controllers to turn on the third valve, the fourth valve, and the third circulating water pump to allow the circulating water in the hot water storage tank to flow back to the solar panel and the subway capillary-tube heat pump unit to absorb the solar energy and the subway waste heat, when a water temperature at the outlet of the hot water storage tank is less than 60° C. and if the water temperature at the outlet of the solar panel is greater than or equal to 60° C. as monitored by a temperature monitor at the outlet of the hot water storage tank; controlling, by the central processing device, corresponding controllers to turn on the fifth valve, the sixth valve, and the fourth circulating water pump to allow the circulating water in the hot water storage tank to flow back to the air-cooled heat pump unit, the solar panel, and the subway capillary-tube heat pump unit such that the first energy end, the second energy end, and the third energy end jointly supply heat to the air conditioner end, the hot water supply end, the underfloor heating end, and the radiator heating end, if at this point the water temperature at the outlet of the hot water storage tank is still less than 60° C.; controlling, by the central processing device, the corresponding controllers to turn on the fifth valve, the sixth valve, and the fourth circulating water pump and turn off the third valve, the fourth valve, and the third circulating water pump to allow the circulating water to flow back to the air-cooled heat pump unit and the subway capillary-tube heat pump unit such that the first energy end and the third energy end supply heat to a multifunctional end, if the water temperature at the outlet of the solar panel is less than 60° C. as monitored by the temperature monitor at the outlet; in a transition season, controlling, by the central processing device, the corresponding controllers to turn off the seventh valve, the eighth valve, the ninth valve, the thirteenth valve, the fourteenth valve, the fifth circulating water pump, the eighth circulating water pump, and the ninth circulating water pump; controlling, by the central processing device, the corresponding controllers to turn off the third valve, the fourth valve, and the third circulating water pump, if the water temperature at the outlet of the solar panel is less than 60° C. as monitored by the temperature monitor at the outlet, and controlling, by the central processing device, the corresponding controllers to turn on the fifth valve, the sixth valve, and the fourth circulating water pump to allow the circulating water in the hot water storage tank to flow back to the air-cooled heat pump unit and the subway capillary-tube heat pump unit such that the first energy end and the third energy end supply heat, if at this point the water temperature at the outlet of the hot water storage tank is less than 60° C.; controlling, by the central processing device, the corresponding controllers to turn off the fifth valve, the sixth valve, and the fourth circulating water pump to allow the circulating water in the hot water storage tank to flow back to the subway capillary-tube heat pump unit such that the first energy end supplies heat, if at this point the water temperature at the outlet of the hot water storage tank is greater than 60° C.; controlling, by the central processing device, the corresponding controllers to turn on the third valve, the fourth valve, and the third circulating water pump to allow the circulating water in the hot water storage tank to flow back to the solar panel and the subway capillary-tube heat pump unit such that the first energy end and the second energy end supply heat, if the water temperature at the outlet of the solar panel is greater than or equal to 60° C. as monitored by the temperature monitor of the solar panel; and controlling, by the central processing device, the corresponding controllers to turn on the tenth circulating water pump and the fifteenth valve, if a water level of the hot water storage tank is less than a set value.