A waste cooling recovery type radiant cooling and heating heat pump system and control method thereof

Abstract

The present invention provides a waste cold recovery type radiant cooling and heating heat pump system and a control method thereof, comprising a heat exchange device, a radiant heating device and a fresh air device, wherein the heat exchange device comprises a first compressor, a gas-liquid separator, a four-way valve, a first heat exchanger, a first expansion valve, a filter, a liquid storage device, a second heat exchanger and a third heat exchanger; the radiant heating device comprises a floor radiant panel, a ceiling radiant panel and a wall radiant panel, and the floor radiant panel, the ceiling radiant panel and the wall radiant panel are connected in parallel between the shell inlet and outlet of the third heat exchanger; the fresh air device comprises a fresh air precooling device, a fresh air dehumidification device, a fresh air reheating device, a wet film humidification device and an air supply device, and the air outlet of the fresh air precooling device is sequentially connected to the fresh air dehumidification device, the fresh air reheating device, the wet film humidification device and the air supply device. The present invention can realize the multifunctional cooling and heating of the unit and the room humidity requirements through different control logic methods according to the different temperature differences in the application season and the use place.

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