Solar energy and electric energy combined heat pump system and cooling and heating method

The invention discloses a solar energy and electric energy combined heat pump system and a cooling and heating method. The heat pump system comprises a solar energy absorption heat pump unit, an intermediate work medium circulating device and a compression heat pump unit, wherein a solar drive absor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHAO SHIYANG, WANG LIN, TAN YINGYING, MA AIHUA, WANG YU, BAI CHAOQIN, ZHOU XIWEN, REN XIUHONG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses a solar energy and electric energy combined heat pump system and a cooling and heating method. The heat pump system comprises a solar energy absorption heat pump unit, an intermediate work medium circulating device and a compression heat pump unit, wherein a solar drive absorption heat pump drives the absorption heat pump unit to prepare a lower-temperature intermediate work medium or higher-temperature intermediate work medium; the intermediate work medium bears partial/all cold energy/heat energy required by a user through first heat mass exchange equipment, and enters an intermediate heat exchanger of the compression heat pump unit for heat exchange; and the cold energy/heat energy contained in the intermediate work medium is recycled once again through the heat pump unit so as to save the electric consumption of the compressor of the compression heat pump unit. The system realizes high-efficiency utilization of a low-level renewable energy source solar energy, and has the advantage