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US 10,473,364 B2Granted
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.
Claims12
A heat pump system, wherein 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 of the first flow path, the second flow path, the third flow path and the fourth 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
- 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
- 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
- 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.
6 more elements
A heat pump system, wherein 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 of the first flow path, the second flow path, the third flow path and the fourth 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;
- wherein the first flow path, the second flow path, the third flow path and the fourth flow path are provided with a second common flow path and the throttling element is arranged on the second common flow path;
- wherein at the downstream of the second common flow path, the first flow path, the second flow path, the third flow path and the fourth flow path are respectively provided with solenoid valves for controlling the opening and closing of the first flow path, the second flow path, the third flow path and the fourth flow path.
8 more elements
A heat pump system, wherein 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 of the first flow path, the second flow path, the third flow path and the fourth 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;
- the mode switching flow path comprises a first three-way port, a second three-way port, a third three-way port, a fourth three-way port and a multi-way port, wherein, the first flow path is a flow path from the first three-way port to the third three-way port through the second three-way port, the throttling element and the multi-way port;
- and/or
- the second flow path is a flow path from the third three-way port to the first three-way port through the fourth three-way port, the reservoir, the second three-way port, the throttling element and the multi-way port;
- and/or
- the third flow path is a flow path from the fourth three-way port to the third three-way port through the reservoir, the second three-way port, the throttling element and the multi-way port;
- and/or
- the fourth flow path is a flow path from the fourth three-way port to the first three-way port through the reservoir, the second three-way port, the throttling element and the multi-way port;
- a first end of the first three-way port is connected with the first heat exchanger, a second end of the first three-way port is connected with a first end of the multi-way port through a first solenoid valve, and a third end of the first three-way port is connected with a first end of the second three-way port through a first one-way valve;
- a second end of the second three-way port is connected with a second end of the multi-way port through the throttling element, and a third end of the second three-way port is connected with a first end of the fourth three-way port through the reservoir;
- a first end of the third three-way port is connected with the second heat exchanger, a second end of the third three-way port is connected with a third end of the multi-way port through a second solenoid valve, and a third end of the third three-way port is connected with a third end of the fourth three-way port through a second one-way valve;
- and a second end of the fourth three-way port is connected with the heat recovery heat exchanger through a third one-way valve.
17 more elements
Dependencies are inferred from the claim text.