Self-defrosting enhanced vapor injection heat pump device

• Main Authors: JING CONGLI, DU QINGYANG, HE HOUJIN, WANG HONGTAO, SUN PENGFEI
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; WEAPONS

A self-defrosting enhanced vapor injection heat pump device comprises a first four-way reversing valve, a second four-way reversing valve, an indoor heat exchanger, a liquid storage device, an economizer, a first outdoor heat exchanger, a second outdoor heat exchanger, a gas-liquid separator and a compressor. According to the refrigeration cycle and the heating cycle, the auxiliary circuits can be opened according to requirements to increase the refrigeration capacity and the heating capacity of the device, and the phenomenon that a certain conventional auxiliary circuit does not work is avoided; according to the utility model, all circulations are ensured to be condensed firstly, enter the liquid storage device, pass through the economizer and then reach the forward circulation of the main expansion valve, so that enough supercooling degree in front of the main expansion valve is ensured, and the refrigerating capacity of the unit is increased. 一种自融霜式喷气增焓热泵装置，包括第一四通换向阀、第二四通换向阀、室内换热器、储液器、经济器、第一室外换热器、第二室外换热器、气