US 11,898,779 B2
Subway hybrid-energy multifunctional-end-integrated heat pump system and method
Songtao Hu, Qingdao (CN); Guodan Liu, Qingdao (CN); Yongming Ji, Qingdao (CN); Haiying Wang, Qingdao (CN); Li Tong, Qingdao (CN); and Zhen Tong, Qingdao (CN)
Assigned to QINGDAO UNIVERSITY OF TECHNOLOGY, Qingdao (CN)
Appl. No. 17/274,998
Filed by QINGDAO UNIVERSITY OF TECHNOLOGY, Shandong (CN)
PCT Filed Jun. 3, 2020, PCT No. PCT/CN2020/094096
§ 371(c)(1), (2) Date Mar. 10, 2021,
PCT Pub. No. WO2021/017630, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 201910704035.6 (CN), filed on Jul. 31, 2019.
Prior Publication US 2022/0034556 A1, Feb. 3, 2022
Int. Cl. F25B 27/02 (2006.01); F24D 3/14 (2006.01); B61K 13/00 (2006.01); F25B 27/00 (2006.01); F24D 19/10 (2006.01)
CPC F25B 27/02 (2013.01) [B61K 13/00 (2013.01); F24D 3/14 (2013.01); F24D 19/1072 (2013.01); F25B 27/002 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A subway hybrid-energy multifunctional-end-integrated heat pump system adopting a capillary-tube heat exchanger, the system comprising: an energy end, a user end, a hot water storage and a control system,
wherein the energy end comprises a first energy end, a second energy end and a third energy end, the first energy end comprises a capillary-tube front-end heat exchanger laid in surrounding rocks of a tunnel and a subway capillary-tube heat pump unit, the second energy end comprises a solar panel, the third energy end comprises an air-cooled heat pump unit, the user end comprises an air conditioner end, a hot water supply end, an underfloor heating end, and a radiator heating end, the first energy end, the second energy end, and the third energy end are connected to a water inlet of the hot water storage tank, a water outlet of the hot water storage tank is connected to the air conditioner end, the hot water supply end, the underfloor heating end, and the radiator heating end, water outlets of the air conditioner end, the underfloor heating end, and the radiator heating end are connected to the hot water storage tank through a first return pipe, the water outlet of the air conditioner end is connected to the third energy end through a second return pipe, and the third energy end is connected to the air conditioner end through a cooling pipe; and
wherein the control system comprising a temperature monitor, a water level monitor, a valve controller, a unit controller, a water pump controller, and a central processing device, wherein the temperature monitor is provided at an outlet of the solar panel and an outlet of the hot water storage tank, the water level monitor is provided in the hot water storage tank, the valve controller is provided at a first valve to a sixteenth valve, the unit controller is provided at the air-cooled heat pump unit, the water pump controller is provided at a first circulating water pump to an eleventh circulating water pump, and the temperature monitor, the water level monitor, the valve controller, the unit controller, and the water pump controller are connected to the central processing device.