Double-condenser stepped temperature difference air energy high-temperature heat pump hot water unit

• Main Authors: YIN YINGDE, ZHU DONGSHENG, LIN CHENGDI, LIU SHIJIE, TU AIMIN
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2019
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS; ELEMENTS OR COMPONENTS THEREFOR; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; RANGES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; VENTILATING; WEAPONS

The utility model discloses a double-condenser cascade temperature difference air energy high-temperature heat pump hot water unit. The utility model discloses an air energy high-temperature heat pumphot water unit. The air conditioner comprises a compressor, a four-way valve, a first condenser, a second condenser, a first electronic expansion valve, an intermediate economizer, a second electronic expansion valve, an evaporator and a gas-liquid separator, the compressor, the four-way valve, the user side high-temperature condenser, the user side low-temperature condenser, the middle economizer, the second electronic expansion valve, the evaporator and the gas-liquid separator are sequentially communicated through refrigerant pipelines to form a main loop. The main loop is provided with anauxiliary loop, the auxiliary loop is provided with a first electronic expansion valve, and the first electronic expansion valve is arranged between the user side low-temperature condenser and the middle economizer. The air e