Heat pump and control method thereof

The present invention provides a heat pump system which comprises a compressor (110), a mode switch valve assembly (120), a mode switch flow path, and a first heat exchanger, a second heat exchanger and a heat recovery heat exchanger respectively connected between the mode switch valve assembly and...

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Bibliographic Details
Main Authors Weng, Jingkai, Shen, Guangyu
Format Patent
LanguageEnglish
Published 26.04.2022
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
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Summary:The present invention provides a heat pump system which comprises a compressor (110), a mode switch valve assembly (120), a mode switch flow path, and a first heat exchanger, a second heat exchanger and a heat recovery heat exchanger respectively connected between the mode switch valve assembly and the mode switch flow path, wherein the mode switch flow path is provided with a first flow path (160), a second flow path (170) and a third flow path (180) which converge at an intersection point, and at least the first flow path and the second flow path are respectively provided with a throttling section (161,171), and the first flow path, the second flow path and the third flow path are controllably switched on/off to realize different function modes. Therefore, a heat pump unit having a heat recovery function is provided, which has advantages of simple structure and high operational reliability, etc.
Bibliography:Application Number: US201816612893