Heat pump system and regulating method thereof
AssigneeCarrier Corporation
InventorsWeijuan Wang, Haijun Li, Guangyu Shen, Yingzheng Fu
Life of this patent
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Abstract
A heat pump system comprises a compressor, a first heat exchanger, a second heat exchanger, a mode switching valve, a throttling element and a reservoir, wherein the throttling element is arranged on a flow path between the first heat exchanger and the second heat exchanger; and which further comprises a mode switching flow path in which a first flow path and a second flow path are arranged, the reservoir is arranged on the second flow path and each flow path is controllably opened or closed to realize different functional modes.
Claims13
A heat pump system, characterized in that the heat pump system comprises a compressor, a first heat exchanger, a second heat exchanger, a mode switching valve, a throttling element and a reservoir, wherein the throttling element is arranged on a flow path between the first heat exchanger and the second heat exchanger;
- and the heat pump system further comprises:
- a mode switching flow path, wherein a first flow path and a second flow path are arranged in the mode switching flow path, the reservoir is arranged on the second flow path and each flow path is controllably opened or closed to realize different functional modes, wherein,
- in a refrigeration mode, a refrigeration medium circulating flow direction is from a gas outlet of the compressor to a gas suction port of the compressor through the mode switching valve, the first heat exchanger, the first flow path, the second heat exchanger and the mode switching valve;
- and/or in a heating mode, the refrigeration medium circulating flow direction is from the gas outlet of the compressor to the gas suction port of the compressor through the mode switching valve, the second heat exchanger, the second flow path, the first heat exchanger and the mode switching valve.
A heat pump system, characterized in that the heat pump system comprises a compressor, a first heat exchanger, a second heat exchanger, a heat recovery heat exchanger, a mode switching valve, a throttling element and a reservoir, wherein the throttling element is arranged on a flow path between any two of the first heat exchanger, the second heat exchanger and the heat recovery heat exchanger;
- and the heat pump system further comprises:
- a mode switching flow path, wherein a first flow path, a second flow path, a third flow path and a fourth flow path are arranged in the mode switching flow path, the reservoir is arranged on the second flow path and/or the third flow path and/or the fourth flow path and each flow path is controllably opened or closed to realize different functional modes, wherein,
- in a refrigeration mode, a refrigeration medium circulating flow direction is from a gas outlet of the compressor to a gas suction port of the compressor through the mode switching valve, the first heat exchanger, the first flow path, the second heat exchanger and the mode switching valve;
- and/or in a heating mode, the refrigeration medium circulating flow direction is from the gas outlet of the compressor to the gas suction port of the compressor through the mode switching valve, the second heat exchanger, the second flow path, the first heat exchanger and the mode switching valve;
- and/or in a refrigeration heat recovery mode, the refrigeration medium circulating flow direction is from the gas outlet of the compressor to the gas suction port of the compressor through the mode switching valve, the heat recovery heat exchanger, the third flow path, the second heat exchanger and the mode switching valve;
- and/or
- in a hot water production mode, the refrigeration medium circulating flow direction is from the gas outlet of the compressor to the gas suction port of the compressor through the mode switching valve, the heat recovery heat exchanger, the fourth flow path, the first heat exchanger and the mode switching valve.
Dependencies are inferred from the claim text.