대표
청구항
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1. A heat pump system, comprising: a compressor, a first heat exchanger, a second heat exchanger, a heat-recovery-type heat exchanger, a multi-way valve, and a throttling element, wherein any flow path between any two of the first heat exchanger, the second heat exchanger, and the heat-recovery-type heat exchanger is disposed with the throttling element; further comprising:a mode-switching flow path, having a first flow path, a second flow path, a third flow path, and a fourth flow path, wherein each of the flow paths is controllably turned on or off to ...
1. A heat pump system, comprising: a compressor, a first heat exchanger, a second heat exchanger, a heat-recovery-type heat exchanger, a multi-way valve, and a throttling element, wherein any flow path between any two of the first heat exchanger, the second heat exchanger, and the heat-recovery-type heat exchanger is disposed with the throttling element; further comprising:a mode-switching flow path, having a first flow path, a second flow path, a third flow path, and a fourth flow path, wherein each of the flow paths is controllably turned on or off to implement a different functional mode, wherein the different functional modes include at least one of,a cooling mode, a cooling medium sequentially circulates through an outlet of the compressor, the multi-way valve, the first heat exchanger, the first flow path of the mode-switching flow path, the second heat exchanger, and the multi-way valve, and reaches an inlet of the compressor; anda heating mode, the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the second heat exchanger, the second flow path of the mode-switching flow path, the first heat exchanger, and the multi-way valve, and reaches the inlet of the compressor; anda heat recovery mode, the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the heat-recovery-type heat exchanger, the third flow path of the mode-switching flow path, the second heat exchanger, and the multi-way valve, and reaches the inlet of the compressor; anda water heating mode, the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the heat-recovery-type heat exchanger, the fourth flow path of the mode-switching flow path, the first heat exchanger, and the multi-way valve, and reaches the inlet of the compressor;wherein the mode-switching flow path comprises a first three-way port, a second three-way port, a third three-way port, and a four-way port, and the throttling element is disposed within the mode-switching flow path. 2. The heat pump system according to claim 1, whereinthe first flow path of the mode-switching flow path is a flow path from the first three-way port to the third three-way port through the throttling element; andthe second flow path of the mode-switching flow path is a flow path from the third three-way port to the first three-way port through the throttling element; andthe third flow path of the mode-switching flow path is a flow path from the four-way port to the third three-way port through the throttling element; andthe fourth flow path of the mode-switching flow path is a flow path from the four-way port to the first three-way port through the throttling element. 3. The heat pump system according to claim 2, wherein the first flow path of the mode-switching flow path is a flow path staring from the first three-way port, passing through the four-way port, the throttling element, and the second three-way port, and reaching the third three-way port; andthe second flow path of the mode-switching flow path is a flow path starting from the third three-way port, passing through the four-way port, the throttling element, and the second three-way port, and reaching the first three-way port; andthe third flow path of the mode-switching flow path is a flow path starting from the four-way port, passing through the throttling element and the second three-way port, and reaching the third three-way port; andthe fourth flow path of the mode-switching flow path is a flow path starting from the four-way port, passing through the throttling element and the second three-way port, and reaching the first three-way port. 4. The heat pump system according to claim 3, wherein 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 second three-way port via a first electromagnetic valve, and a third end of the first three-way port is connected with a first end of the four-way port via a first check valve; a second end of the second three-way port is connected with a first end of the third three-way port via a second electromagnetic valve, and a third end of the second three-way port is connected with a third end of the four-way port via the throttling element; a second end of the third three-way port is connected with the second heat exchanger, and a third end of the third three-way port is connected with a second end of the four-way port by a second check valve; and a fourth end of the four-way port is connected with the heat-recovery-type heat exchanger via a third check valve. 5. The heat pump system according to claim 4, wherein a fourth check valve is disposed between the first electromagnetic valve and the second end of the first three-way port; and/or a fifth check valve is disposed between the second electromagnetic valve and the first end of the third three-way port. 6. The heat pump system according to claim 5, wherein a liquid storage tank is disposed between the throttling element and the third end of the four-way port. 7. The heat pump system according to claim 5, wherein a gas-liquid separator is disposed between the multi-way valve and the inlet of the compressor. 8. The heat pump system according to claim 5, wherein the throttling element is an electronic expansion valve. 9. The heat pump system according to claim 1, wherein the multi-way valve has a first switching position, a second switching position, a third switching position, and a fourth switching position;in the first switching position, the multi-way valve respectively communicates the outlet of the compressor with the first heat exchanger, and communicates the inlet of the compressor with the second heat exchanger, andin the second switching position, the multi-way valve respectively communicates the outlet of the compressor with the second heat exchanger, and communicates the inlet of the compressor with the first heat exchanger; andin the third switching position, the multi-way valve respectively communicates the outlet of the compressor with the heat-recovery-type heat exchanger, and communicates the inlet of the compressor with the second heat exchanger; andin the fourth switching position, the multi-way valve respectively communicates the outlet of the compressor with the heat-recovery-type heat exchanger; and communicates the inlet of the compressor with the first heat exchanger. 10. The heat pump system according to claim 9, wherein the multi-way valve comprises a first four-way valve and a second four-way valve that are serially connected with each other;in the first switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the first heat exchanger, and communicate the inlet of the compressor with the second heat exchanger; andin the second switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the second heat exchanger, and communicate the inlet of the compressor with the first heat exchanger; andin the third switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the heat-recovery-type heat exchanger, and communicate the inlet of the compressor with the second heat exchanger; andin the fourth switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the heat-recovery-type heat exchanger, and communicate the inlet of the compressor with the first heat exchanger. 11. A heat pump system, comprising: a compressor, a first heat exchanger, a second heat exchanger, a heat-recovery-type heat exchanger, a multi-way valve, and a throttling element, wherein any flow path between any two of the first heat exchanger, the second heat exchanger, and the heat-recovery-type heat exchanger is disposed with the throttling element, the heat pump system operable in modes including:a cooling mode, wherein a cooling medium sequentially circulates through an outlet of the compressor, the multi-way valve, the first heat exchanger, the second heat exchanger, and the multi-way valve, and reaches an inlet of the compressor;a heating mode, wherein the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the second heat exchanger, the first heat exchanger, and the multi-way valve, and reaches the inlet of the compressor; ada heat recovery mode, the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the heat-recovery-type heat exchanger, the second heat exchanger, and the multi-way valve, and reaches the inlet of the compressor; anda water heating mode, wherein the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the heat-recovery-type heat exchanger, the first heat exchanger, and the multi-way valve, and reaches the inlet of the compressor;wherein the multi-way valve has a first switching position, a second switching position, a third switching position, and a fourth switching position;in the first switching position, the multi-way valve respectively communicates the outlet of the compressor with the first heat exchanger, and communicates the inlet of the compressor with the second heat exchanger, andin the second switching position, the multi-way valve respectively communicates the outlet of the compressor with the second heat exchanger, and communicates the inlet of the compressor with the first heat exchanger; andin the third switching position, the multi-way valve respectively communicates the outlet of the compressor with the heat-recovery-type heat exchanger, and communicates the inlet of the compressor with the second heat exchanger; andin the fourth switching position, the multi-way valve respectively communicates the outlet of the compressor with the heat-recovery-type heat exchanger; and communicates the inlet of the compressor with the first heat exchanger; wherein the multi-way valve comprises a first four-way valve and a second four-way valve that are serially connected with each other;in the first switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the first heat exchanger, and communicate the inlet of the compressor with the second heat exchanger; andin the second switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the second heat exchanger, and communicate the inlet of the compressor with the first heat exchanger; andin the third switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the heat-recovery-type heat exchanger, and communicate the inlet of the compressor with the second heat exchanger; andin the fourth switching position, the first four-way valve and the second four-way valve communicate the outlet of the compressor with the heat-recovery-type heat exchanger, and communicate the inlet of the compressor with the first heat exchanger;the first four-way valve has an a1 port, a b1 port, a c1 port, and a d1 port, and the second four-way valve has an a2 port, a b2 port, a c2 port, and a d2 port; the a1 port is connected with the outlet of the compressor, the b1 port is connected with the heat-recovery-type heat exchanger, the c1 port is connected with the inlet of the compressor, the d1 port is connected with the a2 port, the b2 port is connected with the first heat exchanger, the c2 port is connected with the inlet of the compressor, and the d2 port is connected with the second heat exchanger;in the first switching position, the a1 port is communicated with the d1 port, the b1 port is communicated with the c1 port, the a2 port is communicated with the b2 port, and the c2 port is communicated with the d2 port; andin the second switching position, the a1 port is communicated with the d1 port, the b1 port is communicated with the c1 port, the a2 port is communicated with the d2 port, and the b2 port is communicated with the c2 port; andin the third switching position, the a1 port is communicated with the b1 port, the c1 port is communicated with the d1 port, the a2 port is communicated with the b2 port, and the c2 port is communicated with the d2 port; andin the fourth switching position, the a1 port is communicated with the d1 port, the b 1 port is communicated with the c 1 port, the a2 port is communicated with the d2 port, and the b2 port is communicated with the c2 port. 12. A heat pump unit, comprising the heat pump system according to claim 1, and further comprising an indoor side system, a water chamber system, and a heat-exchanging side system; wherein the indoor side system, the water chamber system, and the heat-exchanging side system are thermodynamically connected with the heat pump system via pipelines respectively. 13. The heat pump unit according to claim 12, wherein the indoor side system comprises a first water pump and an indoor-side heat exchanger, and the indoor-side heat exchanger and the first water pump are thermodynamically connected with the second heat exchanger via pipelines. 14. The heat pump unit according to claim 12, wherein the heat-exchanging side system comprises a second water pump and a heat-exchanging side heat exchanger, and the heat-exchanging side heat exchanger and the second water pump are thermodynamically connected with the first heat exchanger via pipelines. 15. The heat pump unit according to claim 12, wherein the water chamber system comprises a third water pump and a water chamber, and the water chamber and the third water pump are thermodynamically connected with the heat-recovery-type heat exchanger via pipelines. 16. A method for controlling multiple functions mode for a heat pump system, wherein the heat pump system comprises a compressor, a first heat exchanger, a second heat exchanger, a heat-recovery-type heat exchanger, a multi-way valve, a throttling element, and a mode-switching flow path; any flow path between any two of the first heat exchanger, the second heat exchanger, and the heat-recovery-type heat exchanger is disposed with the throttling element; and the mode-switching flow path is disposed with a first flow path, a second flow path, a third flow path, and a fourth flow path, when the heat pump system runs in at least one mode including;a cooling mode, the first flow path of the mode-switching flow path is turned on, and the second flow path, the third flow path, and the fourth flow path of the mode-switching flow path are turned off; in this case, a cooling medium sequentially circulates through an outlet of the compressor, the multi-way valve, the first heat exchanger, the first flow path of the mode-switching flow path, the second heat exchanger, and the multi-way valve, and reaches an inlet of the compressor; anda heating mode, the second flow path of the mode-switching flow path is turned on, and the first flow path, the third flow path, and the fourth flow path of the mode-switching flow path are turned off; in this case, the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the second heat exchanger, the second flow path of the mode-switching flow path, the first heat exchanger, and the multi-way valve, and reaches the inlet of the compressor; anda heat recovery mode, the third flow path of the mode-switching flow path is turned on, and the first flow path, the second flow path, and the fourth flow path of the mode-switching flow path are turned off; in this case, the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the heat-recovery-type heat exchanger, the third flow path of the mode-switching flow path, the second heat exchanger, and the multi-way valve, and reaches the inlet of the compressor; anda water heating mode, the fourth flow path of the mode-switching flow path is turned on, and the first flow path, the second flow path, and the third flow path of the mode-switching flow path are turned off; in this case, the cooling medium sequentially circulates through the outlet of the compressor, the multi-way valve, the heat-recovery-type heat exchanger, the fourth flow path of the mode-switching flow path, the first heat exchanger, and the multi-way valve, and reaches the inlet of the compressor;wherein the mode-switching flow path is further disposed with a first electromagnetic valve and a second electromagnetic valve;when the first electromagnetic valve is powered off, the second electromagnetic valve is powered on, and the multi-way valve is switched to a first switching position, the first flow path of the mode-switching flow path is turned on, and the second flow path, the third flow path, and the fourth flow path of the mode-switching flow path are turned off; andwhen the second electromagnetic valve is powered off, the first electromagnetic valve is powered on, and the multi-way valve is switched to a second switching position, the second flow path of the mode-switching flow path is turned on, and the first flow path, the third flow path, and the fourth flow path of the mode-switching flow path are turned off; andwhen the first electromagnetic valve is powered off, the second electromagnetic valve is powered on, and the multi-way valve is switched to a third switching position, the third flow path of the mode-switching flow path is turned on, and the first flow path, the second flow path, and the fourth flow path of the mode-switching flow path are turned off; andwhen the second electromagnetic valve is powered off, the first electromagnetic valve is powered on, and the multi-way valve is switched to a fourth switching position, the fourth flow path of the mode-switching flow path is turned on, and the first flow path, the second flow path, and the third flow path of the mode-switching flow path are turned off. 17. The method for controlling multiple functions modes for the heat pump system according to claim 16, wherein the mode-switching flow path comprises a first three-way port, a second three-way port, a third three-way port, and a four-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 second three-way port via the first electromagnetic valve, and a third end of the first three-way port is connected with a first end of the four-way port via a first check valve; a second end of the second three-way port is connected with a first end of the third three-way port via the second electromagnetic valve, and a third end of the second three-way port is connected with a third end of the four-way port via the throttling element; a second end of the third three-way port is connected with the second heat exchanger, and a third end of the third three-way port is connected with a second end of the four-way port via a second check valve; and a fourth end of the four-way port is connected with the heat-recovery-type heat exchanger via a third check valve;when the first flow path of the mode-switching flow path is turned on, and the second flow path, the third flow path, and the fourth flow path of the mode-switching flow path are turned off, the cooling medium sequentially circulates through the first three-way port, the first check valve, the four-way port, the throttling element, the second three-way port, and the second electromagnetic valve, and reaches the third three-way port in the mode-switching flow path; and/orwhen the second flow path of the mode-switching flow path is turned on, and the first flow path, the third flow path, and the fourth flow path of the mode-switching flow path are turned off, the cooling medium sequentially circulates through the third three-way port, the second check valve, the four-way port, the throttling element, the second three-way port, and the first electromagnetic valve, and reaches the first three-way port in the mode-switching flow path; and/orwhen the third flow path of the mode-switching flow path is turned on, and the first flow path, the second flow path, and the fourth flow path of the mode-switching flow path are turned off, the cooling medium sequentially circulates through the third check valve, the four-way port, the throttling element, the second three-way port, and the second electromagnetic valve, and reaches the third three-way port in the mode-switching flow path; and/orwhen the fourth flow path of the mode-switching flow path is turned on, and the first flow path, the second flow path, and the third flow path of the mode-switching flow path are turned off, the cooling medium sequentially circulates through the third check valve, the four-way port, the throttling element, the second three-way port, the first electromagnetic valve, and reaches the first three-way port in the mode-switching flow path. 18. The method for controlling multiple functions modes for the heat pump system according to claim 16, further comprising a combined functional mode, wherein the combined functional mode comprises a preset condition, a first running mode, and a second running mode; the first running mode is any one of the cooling mode, the heating mode, the heat recovery mode, or the water heating mode; and the second running mode is any other of the cooling mode, the heating mode, the heat recovery mode, or the water heating mode;when the heat pump system runs the combined functional mode, the heat pump system runs the first running mode firstly, and then when the preset condition is satisfied, the heat pump system switches to run the second running mode. 19. The method for controlling multiple functions modes for the heat pump system according to claim 18, wherein the combined functional mode comprises a heating and heat recovery mode, the first running mode is any one of the heating mode or the water heating mode, and the second running mode is another one of the heating mode or the water heating mode; when the heat pump system runs the heating and heat recovery mode, the heat pump system runs the first running mode firstly, and then, when the preset condition is satisfied, the heat pump system switches to the second running mode. 20. The method for controlling multiple functions modes for the heat pump system according to claim 18, wherein the preset condition is at least one of that an air temperature and the hot water temperature is higher than or equals to a preset value.
