Air conditioning system with hot water supply

Abstract

The application relates to the technical field of air conditioning systems, and discloses an air conditioning system capable of supplying hot water, which comprises a compressor, a first heat exchanger, a second heat exchanger and a hot water supply unit. The compressor comprises an exhaust port and a suction port. The first heat exchanger comprises first fluorine channels, first water channels and air channels which can exchange heat with each other. The second heat exchanger comprises second fluorine channels and second water channels which can exchange heat with each other. The exhaust port of the compressor, the first fluorine channels, the second fluorine channels and the suction port are connected in communication to form a refrigerant circulation loop. The hot water supply unit comprises a first water tank and a first water circulation loop connected to the first water channels, and the first water circulation loop is used for adjusting the temperature of the first water tank. The cold and warm supply unit comprises a cold and warm supply terminal and a second water circulation loop connected to the second water channels, and the second water circulation loop is used for adjusting the temperature of the cold and warm supply terminal. The second water circulation loop is connected to the first water circulation loop through a first bypass loop, and / or the second water circulation loop directly adjusts the temperature of the first water tank through a second bypass loop.

Description

Technical Field

[0001] This application relates to the field of air conditioning system technology, for example to an air conditioning system that can provide hot water. Background Technology

[0002] With the improvement of living standards, people's demand for air conditioning (cooling and heating) and domestic hot water is constantly increasing, which has promoted the development of tri-generation air conditioning systems. Related technology discloses a tri-generation air conditioning system, including a heat pump unit, a hot water side, and an air conditioning side. When performing air conditioning cooling, air conditioning cooling and hot water production, underfloor heating, underfloor heating and hot water production, and hot water production, corresponding controls are applied to the cooling expansion valve, heating expansion valve, water flow switch, enthalpy injection solenoid valve, air conditioning circulating water pump, air conditioning cooling solenoid valve, hot water circulating water pump, heat recovery expansion valve, and underfloor heating solenoid valve.

[0003] In the process of implementing the embodiments of this disclosure, at least the following problems were found in the related art:

[0004] Tri-generation air conditioning systems are complex, resulting in higher costs.

[0005] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0006] To provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. This summary is not intended as a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these embodiments, but rather as a prelude to the detailed description that follows.

[0007] This disclosure provides an air conditioning system that can provide hot water, solving the problem of high cost due to system complexity.

[0008] In some embodiments, the air conditioning system that provides hot water includes:

[0009] The compressor includes an exhaust port and an intake port;

[0010] The first heat exchanger includes a first fluorine channel, a first water channel, and an air channel capable of exchanging heat between each other;

[0011] The second heat exchanger includes a second refrigerant channel and a second water channel that can exchange heat with each other; wherein, the compressor's exhaust port, first refrigerant channel, second refrigerant channel and suction port are connected to form a refrigerant circulation loop;

[0012] A hot water supply unit includes a first water tank and a first water circulation loop connected to a first water channel, wherein the first water circulation loop is used to regulate the temperature of the first water tank;

[0013] The heating and cooling unit includes a heating and cooling terminal and a second water circulation loop connected to a second water channel. The second water circulation loop is used to regulate the temperature of the heating and cooling terminal.

[0014] Furthermore, the second water circulation loop is connected to the first water circulation loop via the first bypass loop, and / or the second water circulation loop directly regulates the temperature of the first water tank via the second bypass loop.

[0015] The air conditioning system that provides hot water according to the embodiments of this disclosure can achieve the following technical effects:

[0016] When heat exchange occurs between the first refrigerant channel and the first water channel, heat is transferred to the first water circulation loop via the first water channel, thereby regulating the temperature of the first water tank. When heat exchange occurs between the second refrigerant channel and the second water channel, heat or cooling is transferred to the second water circulation loop via the second water channel, thereby regulating the temperature of the heating / cooling terminals. Furthermore, if the second water circulation loop has a first bypass loop, hot water from the second circulation loop can flow into the first water circulation loop through the first bypass loop, thus regulating the temperature of the first water tank. If the second water circulation loop has a second bypass loop, the hot water flowing into the second bypass loop does not need to flow into the first water circulation loop; instead, it can be directly used to regulate the temperature of the first water tank. Thus, the air conditioning system has a simple and ingenious layout, achieving cooling, heating, and hot water supply functions, also known as a tri-generation system.

[0017] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0018] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein:

[0019] Figure 1 This is a schematic diagram of the structure of an air conditioning system with a first bypass circuit provided in an embodiment of this disclosure;

[0020] Figure 2 This is a schematic diagram of the refrigerant flow direction under the cooling mode provided in the embodiments of this disclosure;

[0021] Figure 3 This is a schematic diagram of the refrigerant flow direction under the heating mode provided in the embodiments of this disclosure;

[0022] Figure 4 This is a schematic diagram of the refrigerant flow direction in the cooling and hot water modes provided in the embodiments of this disclosure;

[0023] Figure 5 This is a schematic diagram of the refrigerant flow direction in heating and hot water modes provided in the embodiments of this disclosure;

[0024] Figure 6 This is a schematic diagram of the refrigerant flow direction in the hot water mode provided in the embodiments of this disclosure;

[0025] Figure 7 This is a schematic diagram of the refrigerant flow direction in the first defrosting mode provided in this embodiment of the present disclosure;

[0026] Figure 8 This is a schematic diagram of the refrigerant flow direction in the second defrosting mode provided in this embodiment of the present disclosure;

[0027] Figure 9 This is a schematic diagram of the structure of an air conditioning system with a second bypass circuit provided in an embodiment of this disclosure;

[0028] Figure 10 This is a schematic diagram of the refrigerant flow direction under the cooling mode provided in the embodiments of this disclosure;

[0029] Figure 11 This is a schematic diagram of the refrigerant flow direction under the heating mode provided in the embodiments of this disclosure;

[0030] Figure 12 This is a schematic diagram of the refrigerant flow direction in the cooling and hot water modes provided in the embodiments of this disclosure;

[0031] Figure 13 This is a schematic diagram of the refrigerant flow direction in heating and hot water modes provided in the embodiments of this disclosure;

[0032] Figure 14 This is a schematic diagram of the refrigerant flow direction in the hot water mode provided in the embodiments of this disclosure;

[0033] Figure 15 This is a schematic diagram of the refrigerant flow direction in the first defrosting mode provided in this embodiment of the present disclosure;

[0034] Figure 16 This is a schematic diagram of the refrigerant flow direction in the second defrosting mode provided in the embodiments of this disclosure.

[0035] Figure label:

[0036] 1. Compressor; 11. Discharge port; 12. Inlet port; 13. Four-way reversing valve; 14. Throttling device;

[0037] 2. First heat exchanger; 21. First refrigerant channel; 22. First water channel; 23. First water circulation loop; 231. First water path; 232. Second water path; 24. First water pump; 25. Check valve; 26. Multi-way valve;

[0038] 3. Second heat exchanger; 31. Second refrigerant channel; 32. Second water channel; 33. Second water circulation loop; 331. Third water circuit; 332. Fourth water circuit; 34. Second water pump; 35. First control valve; 36. Heating and cooling terminal; 361. Underfloor heating coil; 362. Fan coil unit; 37. Second water tank;

[0039] 4. First water tank; 401. First water inlet; 402. Second water inlet; 403. Third water inlet; 404. Fourth water inlet; 405. Fifth water inlet; 406. Sixth water inlet; 41. Inlet pipe; 42. Outlet pipe;

[0040] 5. First bypass circuit; 51. Fifth water passage; 52. Sixth water passage; 53. Second conduction valve;

[0041] 6. Second bypass circuit; 61. Seventh water circuit; 62. Eighth water circuit; 63. Third conduction valve. Detailed Implementation

[0042] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0043] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for describing embodiments of this disclosure herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0044] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0045] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0046] Unless otherwise stated, the term "multiple" means two or more.

[0047] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0048] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0049] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0050] This disclosure provides an air conditioning system (hereinafter referred to as the air conditioning system) that can supply hot water. The air conditioning system includes a compressor 1, a first heat exchanger 2, a second heat exchanger 3, a hot water supply unit, and a cooling and heating unit. Figure 1 As shown, compressor 1 includes an exhaust port 11 and an intake port 12. First heat exchanger 2 includes a first refrigerant channel 21, a first water channel 22, and an air channel capable of heat exchange between each other. Second heat exchanger 3 includes a second refrigerant channel 31 and a second water channel 32 capable of mutual heat exchange. The exhaust port 11, first refrigerant channel 21, second refrigerant channel 31, and intake port 12 of compressor 1 are connected to form a refrigerant circulation loop. Hot water supply unit includes a first water tank 4 and a first water circulation loop 23 connected to the first water channel 22. The first water circulation loop 23 is used to regulate the temperature of the first water tank 4. Cooling and heating unit includes a cooling and heating terminal 36 and a second water circulation loop 33 connected to the second water channel 32. The second water circulation loop 33 is used to regulate the temperature of the cooling and heating terminal 36. Furthermore, the second water circulation loop 33 is connected to the first water circulation loop 23 via a first bypass loop 5, and / or, the second water circulation loop 33 directly regulates the temperature of the first water tank 4 via a second bypass loop 6.

[0051] In this embodiment, the air conditioning system includes two heat exchangers. The first heat exchanger 2 can be referred to as an air-water-fluorine three-medium heat exchanger, which uses a fan to guide airflow along the air channel, and the heat generated by the first fluorine channel 21 can be transferred to the first water channel 22 and the air channel. The second heat exchanger 3 can be referred to as a water-fluorine dual-medium heat exchanger, and the second fluorine channel 31 can exchange heat with the second water channel 32. When the first fluorine channel 21 exchanges heat with the first water channel 22, the heat is transferred to the first water circulation loop 23 through the first water channel 22, and the temperature of the first water tank 4 is then regulated by the first water circulation loop 23. When the second fluorine channel 31 exchanges heat with the second water channel 32, the heat or cold energy is transferred to the second water circulation loop 33 through the second water channel 32, and the temperature of the heating / cooling terminal 36 is then regulated by the second water circulation loop 33. Furthermore, when the second water circulation loop 33 has a first bypass loop 5, the hot water in the second water circulation loop 33 can flow into the first water circulation loop 23 through the first bypass loop 5, thereby regulating the temperature of the first water tank 4. With the second bypass circuit 6 in the second water circulation loop 33, the hot water flowing into the second bypass circuit 6 does not need to flow into the first water circulation loop 23. Instead, the hot water in the second bypass circuit 6 can be used directly to regulate the temperature of the first water tank 4. In this way, the layout of the air conditioning system is simple and ingenious, and it can realize the functions of cooling, heating and hot water supply, also known as tri-generation.

[0052] Optionally, such as Figure 1 As shown, the first water circulation loop 23 includes a first water path 231 and a second water path 232. The first end of the first water path 231 is connected to the first end of the first water channel 22, and the second end of the first water path 231 is connected to the first water outlet 401 of the first water tank 4. The first end of the second water path 232 is connected to the second end of the first water channel 22, and the second end of the second water path 232 is connected to the second water outlet 402 of the first water tank 4. A first water pump 24 is installed on the first water path 231. The second water circulation loop 33 includes a third water path 331 and a fourth water path 332. The first end of the third water path 331 is connected to the first end of the second water channel 32, and the second end of the third water path 331 is connected to the first end of the heating / cooling terminal 36 via a first connecting valve 35. The first end of the fourth water path 332 is connected to the second end of the second water channel 32, and the second end of the fourth water path 332 is connected to the second end of the heating / cooling terminal 36. A second water pump 34 is installed on the fourth water path 332. In this embodiment, when the first water pump 24 is turned on, the first water circulation loop 23 is open. When the first water pump 24 is turned off, the first water circulation loop 23 is closed. When the second water pump 34 is turned on and the first open valve 35 is open, the second water circulation loop 33 is open. When the second water pump 34 is turned on but the first open valve 35 is closed, water in the third water path 331 cannot flow to the heating / cooling terminal 36.

[0053] Optionally, such as Figure 1 As shown, the first water tank 4 is equipped with an inlet pipe 41 and an outlet pipe 42. The inlet pipe 41 is used to replenish water into the first water tank 4, and the outlet pipe 42 is connected to a water-using device. When the water level in the first water tank 4 is insufficient, room temperature water is added to the first water tank 4 through the inlet pipe 41. The heated hot water in the first water tank 4 flows to the water-using device through the outlet pipe 42. A mixing valve is installed on the outlet pipe 42, and the inlet pipe 41 is connected to the mixing valve through a mixing branch. When the mixing valve is closed, room temperature water flows through the inlet pipe 41, and hot water flows through the outlet pipe 42. When the mixing valve is open, the room temperature water in the inlet pipe 41 flows to the outlet pipe 42 through the mixing branch, and the room temperature water and hot water mix before flowing to the water-using device. In this embodiment, the inlet pipe 41 is connected to the fifth water outlet 405 of the first water tank 4, and the outlet pipe 42 is connected to the sixth water outlet 406 of the first water tank 4. Thus, with the first water tank 4 having a first water outlet 401, a second water outlet 402, a fifth water outlet 405, and a sixth water outlet 406, the first water tank 4 can be referred to as a four-outlet water tank.

[0054] Optionally, the water inside the first water tank 4 can flow directly along the first water circulation loop 23 or the second water circulation loop 33. Alternatively, the first water tank 4 has a first internal pipe section, with its first end connected to the inside of the first water inlet 401 and its second end connected to the inside of the second water inlet 402. The first water passage 231 is connected to the outside of the first water inlet 401, and the second water passage 232 is connected to the outside of the second water inlet 402. In this case, the water inside the first water tank 4 does not participate in the flow of the first water circulation loop 23 or the second water circulation loop 33, and antifreeze can be filled into the first water circulation loop 23.

[0055] Optionally, the heating and cooling terminal 36 includes a floor heating coil 361 and a fan coil unit 362. The first connecting valve 35 is a three-way valve with a first valve port, a second valve port, and a third valve port. The first valve port is connected to the first end of the second water channel 32, the first end of the fan coil unit 362 is connected to the second valve port, and the first end of the floor heating coil 361 is connected to the third valve port. The second ends of the fan coil unit 362 and the second ends of the floor heating coil 361 meet and are connected to the second end of the second water channel 32. In this way, the floor heating coil 361 and the fan coil unit 362 are arranged in parallel on the second water circulation loop 33. The floor heating coil 361 transfers heat to the room through floor radiation. A fan is provided on one side of the fan coil unit 362, and the airflow of the fan transfers the heat or cold energy of the fan coil unit 362 to the room.

[0056] Optionally, a second water tank 37 is provided on the second water circulation loop, and the second water tank 37 is located between the first end of the second water channel 32 and the first guide valve 35. The second water tank 37 serves as a buffer tank, which regulates the water volume and stabilizes the pressure.

[0057] Optionally, such as Figure 1 As shown, a multi-way valve 26 is provided on the first water passage 231. The multi-way valve 26 includes valve port a, valve port b, and valve port c. Valve port a is connected to the first end of the first water channel 22, and valve port b is connected to the first water outlet 401. Furthermore, a first water pump 24 is located between valve port a and the first end of the first water channel 22. When the second water circulation loop 33 has a first bypass loop 5, the first bypass loop 5 includes a fifth water passage 51 and a sixth water passage 52. The first end of the fifth water passage 51 is connected to valve port c, and the second end of the fifth water passage 51 is connected to the fourth water passage 332. Furthermore, a second water pump 34 is located between the second end of the fifth water passage 51 and the second end of the second water channel 32. A one-way valve 25 is provided on the second water passage 232, and the conduction direction of the one-way valve 25 is limited to flow from the second end of the first water channel 22 to the second water outlet 402. The first end of the sixth water passage 52 is connected between the one-way valve 25 and the second water inlet 402, and the second end of the sixth water passage 52 is connected to the third water passage 331. In addition, the sixth water passage 52 is equipped with a second guide valve 53.

[0058] In this embodiment, when valve port a and valve port b are connected, the first water path 231 is open. When valve port b and valve port c are connected, the fifth water path 51 is open. When the second open valve 53 is open, the sixth water path 52 is open. Furthermore, when the fifth water path 51 and the sixth water path 52 are both open, the hot water in the second water circulation loop 33 can flow to the first water circulation loop 23 through the first bypass loop 5.

[0059] Optionally, such as Figure 1 As shown, the compressor 1's discharge port 11 is connected to a four-way reversing valve 13. The four-way reversing valve 13 includes valve ports C, D, E, and S. Valve port D is connected to the discharge port 11, valve port S is connected to the suction port 12, valve port E is connected to the first end of the first refrigerant passage 21, and valve port C is connected to the first end of the second refrigerant passage 31. When valve ports D and E are connected, refrigerant flows from the first refrigerant passage 21 to the second refrigerant passage 31. When valve ports D and C are connected, refrigerant flows from the second refrigerant passage 31 to the first refrigerant passage 21. Furthermore, a throttling device 14 is provided between the second end of the first refrigerant passage 21 and the second end of the second refrigerant passage 31. When refrigerant flows in the refrigerant circulation loop, the throttling device 14 reduces the pressure of the flowing refrigerant.

[0060] Optionally, the air conditioning system includes a cooling mode. The cooling mode corresponds to: refrigerant flowing from the first refrigerant passage 21 to the second refrigerant passage 31, the first water pump 24 being turned off and the second water pump 34 being turned on, valve port c being closed, the first open valve 35 being opened and the second open valve 53 being closed.

[0061] In this embodiment, the refrigerant circulation path in the cooling mode is as follows: Figure 2 As shown. Valve port D is connected to valve port E, and valve port C is connected to valve port S, allowing refrigerant to flow from the first refrigerant channel 21 to the second refrigerant channel 31. At this time, the first refrigerant channel 21 generates heat, and the second refrigerant channel 31 generates cooling. When valve port C is closed and the second bypass valve 53 is closed, no water flows through the first bypass circuit 5. When the second water pump 34 is on and the first bypass valve 35 is open, the second water circulation circuit 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31, and the cooling is transferred to the cooling / heating terminal 36 through the second water circulation circuit 33. Thus, cooling is achieved using the cooling / heating terminal 36.

[0062] Optionally, the air conditioning system includes a heating mode. The heating mode corresponds to: refrigerant flowing from the second refrigerant channel 31 to the first refrigerant channel 21, the first water pump 24 being turned off and the second water pump 34 being turned on, valve port c being closed, the first open valve 35 being opened and the second open valve 53 being closed.

[0063] In this embodiment, the refrigerant circulation path in the heating mode is as follows: Figure 3 As shown. Valve port D is connected to valve port C and valve port E is connected to valve port S, allowing refrigerant to flow from the second refrigerant channel 31 to the first refrigerant channel 21. At this time, the first refrigerant channel 21 generates cooling and the second refrigerant channel 31 generates heat. When valve port C is closed and the second open valve 53 is closed, there is no water flow in the first bypass circuit 5. When the second water pump 34 is on and the first open valve 35 is on, the second water circulation circuit 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31, and transfers the heat to the heating / cooling terminal 36 through the second water circulation circuit 33. Thus, heating is generated using the heating / cooling terminal 36.

[0064] Optionally, the air conditioning system includes cooling and hot water modes. The cooling and hot water modes correspond to: refrigerant flowing from the first refrigerant channel 21 to the second refrigerant channel 31, both the first water pump 24 and the second water pump 34 being turned on, valve port a and valve port b being connected and valve port c being closed, the first open valve 35 being opened and the second open valve 53 being closed.

[0065] In this embodiment, the cooling mode and the refrigerant circulation path for hot water are as follows: Figure 4As shown. When valve port D is connected to valve port E and valve port C is connected to valve port S, refrigerant flows from the first refrigerant channel 21 to the second refrigerant channel 31. At this time, the first refrigerant channel 21 generates heat and the second refrigerant channel 31 generates cooling. When valve port c is closed and the second bypass valve 53 is closed, no water flows through the first bypass circuit 5. When valve port a is connected to valve port b and the first water pump 24 is turned on, the first water circulation circuit 23 is open. At this time, the first water channel 22 exchanges heat with the first refrigerant channel 21, and the heat is transferred to the first water tank 4 through the first water circulation circuit 23. When the second water pump 34 is turned on and the first bypass valve 35 is turned on, the second water circulation circuit 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31, and the cooling is transferred to the heating / cooling terminal 36 through the second water circulation circuit 33. Thus, cooling is achieved using the heating / cooling terminal 36, and hot water is supplied using the first water tank 4.

[0066] Optionally, the air conditioning system includes heating and hot water modes. The heating and hot water modes correspond to: refrigerant flowing from the second refrigerant channel 31 to the first refrigerant channel 21, the first water pump 24 being closed and the second water pump 34 being open, valve port b and valve port c being connected and valve port a being closed, and both the first connecting valve 35 and the second connecting valve 53 being open.

[0067] In this embodiment, the refrigerant circulation path for both heating and hot water modes is as follows: Figure 5 As shown. Valve ports D and C are connected, and valve ports E and S are connected, allowing refrigerant to flow from the second refrigerant channel 31 to the first refrigerant channel 21. At this time, the first refrigerant channel 21 generates cooling, and the second refrigerant channel 31 generates heat. With the second water pump 34 open and the first bypass valve 35 open, the second water circulation loop 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31, transferring the heat to the heating / cooling terminal 36 via the second water circulation loop 33. With valve ports b and c connected and the second bypass valve 53 open, the first bypass loop 5 is open, allowing hot water from the third water path 331 to flow through the sixth water path 52 to the second water path 232, heating the first water tank 4, and then returning to the fourth water path 332 via the fifth water path 51. Thus, heating is provided by the heating / cooling terminal 36, and hot water is supplied by the first water tank 4.

[0068] Optionally, the air conditioning system includes a hot water mode. The hot water mode corresponds to: refrigerant flowing from the second refrigerant passage 31 to the first refrigerant passage 21, the first water pump 24 being closed and the second water pump 34 being open, valve port b and valve port c being connected and valve port a being closed, the first connecting valve 35 being closed and the second connecting valve 53 being open.

[0069] In this embodiment, the refrigerant circulation path in hot water mode is as follows: Figure 6As shown. Valve port D is connected to valve port C and valve port E is connected to valve port S, allowing refrigerant to flow from the second refrigerant channel 31 to the first refrigerant channel 21. At this time, the first refrigerant channel 21 generates cooling and the second refrigerant channel 31 generates heat. With the second water pump 34 on and the first open valve 35 closed, the second water channel 32 exchanges heat with the second refrigerant channel 31, but the hot water in the second water channel 32 cannot continue flowing to the heating / cooling terminal 36 after flowing into the third water path 331. With valve port b connected to valve port c and the second open valve 53 open, the first bypass circuit 5 is open, and the hot water in the third water path 331 can flow through the sixth water path 52 to the second water path 232, heating the first water tank 4 before returning to the fourth water path 332 through the fifth water path 51. In this way, hot water is supplied using the first water tank 4.

[0070] Optionally, the air conditioning system includes a first defrost mode. The first defrost mode corresponds to: compressor 1 is off, first water pump 24 is on and second water pump 34 is off, valve port a and valve port b are connected and valve port c is closed, and second connecting valve 53 is closed.

[0071] In this embodiment, the refrigerant circulation path of the first defrosting mode is as follows: Figure 7 As shown. When compressor 1 is off, the refrigerant circulation loop is not flowing. When valve port a and valve port b are open, the first water circulation loop 23 flows when the first water pump 24 is turned on. Furthermore, when the hot water in the first water tank 4 flows through the first water channel 22, it exchanges heat with the first refrigerant channel 21, thereby defrosting the first refrigerant channel 21. In this way, the heat from the first water tank 4 is used to defrost the first refrigerant channel 21.

[0072] Optionally, the air conditioning system includes a second defrost mode. The second defrost mode corresponds to: compressor 1 is stopped, first water pump 24 is turned off and second water pump 34 is turned on, valve port b and valve port c are connected and valve port a is closed, first open valve 35 is closed and second open valve 53 is opened.

[0073] In this embodiment, the refrigerant circulation path of the second defrosting mode is as follows: Figure 8 As shown. When valve port b and valve port c are connected and the second conduction valve 53 is open, when the second water pump 34 is turned on, the hot water in the first water tank 4 can flow through the fifth water passage 51 to the fourth water passage 332. As the hot water continues to flow through the second water passage 32, it exchanges heat with the second refrigerant passage 31, thereby defrosting the second refrigerant passage 31. The defrosted cold water continues to flow along the sixth water passage 52 to the first water tank 4 and is reheated. In this way, the heat from the first water tank 4 is used to defrost the second refrigerant passage 31.

[0074] Optionally, such as Figure 9As shown, when the second water circulation loop 33 has a second bypass loop 6, the second bypass loop 6 includes a seventh water path 61 and an eighth water path 62. The first end of the seventh water path 61 is connected to the third water inlet 403 of the first water tank 4, and the second end of the seventh water path 61 is connected to the fourth water path 332. Furthermore, the second water pump 34 is located between the second end of the seventh water path 61 and the second end of the second water passage 32. The first end of the eighth water path 62 is connected to the fourth water inlet 404 of the first water tank 4, and the second end of the eighth water path 62 is connected to the third water path 331. Furthermore, the eighth water path 62 is equipped with a third through valve 63.

[0075] In this embodiment, the first water circulation loop 23 and the second water circulation loop 33 are arranged independently. The hot water from the second water circulation loop 33 flows into the second bypass loop 6 and then no longer flows into the first water circulation loop 23. Instead, the hot water from the second bypass loop 6 is used directly to heat the first water tank 4. Thus, with the first water tank 4 having a first water inlet 401, a second water inlet 402, a third water inlet 403, a fourth water inlet 404, a fifth water inlet 405, and a sixth water inlet 406, the first water tank 4 can be referred to as a six-inlet water tank.

[0076] Optionally, the first water tank 4 has a second internal pipe section inside, with its first end connected to the inside of the third water inlet 403 and its second end connected to the inside of the fourth water inlet 404. A seventh water passage 61 is connected to the outside of the third water inlet 403, and an eighth water passage 62 is connected to the outside of the fourth water inlet 404. In this case, the water inside the first water tank 4 does not participate in the flow of the second bypass circuit 6.

[0077] Optionally, the air conditioning system includes a cooling mode. The cooling mode corresponds to: refrigerant flowing from the first refrigerant passage 21 to the second refrigerant passage 31, the first water pump 24 being turned off and the second water pump 34 being turned on, the first open valve 35 being turned on and the third open valve 63 being turned off.

[0078] In this embodiment, the refrigerant circulation path in the cooling mode is as follows: Figure 10 As shown. Valve port D is connected to valve port E, and valve port C is connected to valve port S, allowing refrigerant to flow from the first refrigerant channel 21 to the second refrigerant channel 31. At this time, the first refrigerant channel 21 generates heat, and the second refrigerant channel 31 generates cooling. With the third bypass valve 63 closed, there is no water flow in the second bypass circuit 6. With the second water pump 34 open and the first bypass valve 35 open, the second water circulation circuit 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31, and the cooling is transferred to the cooling / heating terminal 36 through the second water circulation circuit 33. Thus, cooling is achieved using the cooling / heating terminal 36.

[0079] Optionally, the air conditioning system includes a heating mode. The heating mode corresponds to: refrigerant flowing from the second refrigerant passage 31 to the first refrigerant passage 21, the first water pump 24 being turned off and the second water pump 34 being turned on, the first open valve 35 being turned on and the third open valve 63 being turned off.

[0080] In this embodiment, the refrigerant circulation path in the heating mode is as follows: Figure 11 As shown. Valve port D is connected to valve port C and valve port E is connected to valve port S, allowing refrigerant to flow from the second refrigerant channel 31 to the first refrigerant channel 21. At this time, the first refrigerant channel 21 generates cooling and the second refrigerant channel 31 generates heat. With the third open valve 63 closed, there is no water flowing in the second bypass circuit 6. With the second water pump 34 open and the first open valve 35 open, the second water circulation circuit 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31, and transfers the heat to the heating / cooling terminal 36 through the second water circulation circuit 33. Thus, heating is generated using the heating / cooling terminal 36.

[0081] Optionally, the air conditioning system includes cooling and hot water modes. The cooling and hot water modes correspond to: refrigerant flowing from the first refrigerant passage 21 to the second refrigerant passage 31, both the first water pump 24 and the second water pump 34 being turned on, the first open valve 35 being turned on and the third open valve 63 being turned off.

[0082] In this embodiment, the refrigerant circulation path for cooling and hot water is as follows: Figure 12 As shown. Valve port D is connected to valve port E, and valve port C is connected to valve port S, allowing refrigerant to flow from the first refrigerant channel 21 to the second refrigerant channel 31. At this time, the first refrigerant channel 21 generates heat, and the second refrigerant channel 31 generates cooling. With the third bypass valve 63 closed, there is no water flow in the second bypass circuit 6. With the first water pump 24 on, the first water circulation circuit 23 is open. At this time, the first water channel 22 exchanges heat with the first refrigerant channel 21, transferring heat to the first water tank 4 through the first water circulation circuit 23. With the second water pump 34 on and the first bypass valve 35 open, the second water circulation circuit 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31, transferring cooling to the heating / cooling terminal 36 through the second water circulation circuit 33. Thus, cooling is achieved using the heating / cooling terminal 36, and hot water is supplied using the first water tank 4.

[0083] Optionally, the air conditioning system includes heating and hot water modes. The heating and hot water modes correspond to: refrigerant flowing from the second refrigerant passage 31 to the first refrigerant passage 21, the first water pump 24 being closed and the second water pump 34 being open, and both the first open valve 35 and the third open valve 63 being open.

[0084] In this embodiment, the refrigerant circulation path for both heating and hot water modes is as follows: Figure 13As shown. Valve port D is connected to valve port C and valve port E is connected to valve port S, allowing refrigerant to flow from the second refrigerant channel 31 to the first refrigerant channel 21. At this time, the first refrigerant channel 21 generates cooling and the second refrigerant channel 31 generates heat. With the second water pump 34 and the first open valve 35 open, the second water circulation loop 33 is open. At this time, the second water channel 32 exchanges heat with the second refrigerant channel 31 and transfers the heat to the heating / cooling terminal 36 through the second water circulation loop 33. With the third open valve 63 open, the second bypass loop 6 is open, and the hot water in the third water path 331 can flow to the first water tank 4 through the eighth water path 62. After heating the first water tank 4, it returns to the fourth water path 332 through the seventh water path 61. In this way, heating is generated by the heating / cooling terminal 36, and hot water is supplied by the first water tank 4.

[0085] Optionally, the air conditioning system includes a hot water mode. The hot water mode corresponds to: refrigerant flowing from the second refrigerant passage 31 to the first refrigerant passage 21, the first water pump 24 being turned off and the second water pump 34 being turned on, the first open valve 35 being turned off and the third open valve 63 being turned on.

[0086] In this embodiment, the refrigerant circulation path in hot water mode is as follows: Figure 14 As shown, valve port D is connected to valve port C and valve port E is connected to valve port S, allowing refrigerant to flow from the second refrigerant channel 31 to the first refrigerant channel 21. At this time, the first refrigerant channel 21 generates cooling and the second refrigerant channel 31 generates heat. With the second water pump 34 on and the first open valve 35 closed, the second water channel 32 exchanges heat with the second refrigerant channel 31, but the hot water in the second water channel 32 cannot continue flowing to the heating / cooling terminal 36 after flowing into the third water circuit 331. With the third open valve 63 open, the second bypass circuit 6 is open, and the hot water in the third water circuit 331 can flow to the first water tank 4 through the eighth water circuit 62. After heating the first water tank 4, it returns to the fourth water circuit 332 through the seventh water circuit 61. Thus, hot water is supplied using the first water tank 4.

[0087] Optionally, the air conditioning system includes a first defrost mode. The first defrost mode corresponds to: compressor 1 being stopped, first water pump 24 being turned on and second water pump 34 being turned off, and third control valve 63 being closed.

[0088] In this embodiment, the refrigerant circulation path of the first defrosting mode is as follows: Figure 15 As shown. When compressor 1 is off, the refrigerant circulation loop is not flowing. When the first water pump 24 is on, the first water circulation loop 23 is flowing. Furthermore, when the hot water in the first water tank 4 flows through the first water channel 22, it exchanges heat with the first refrigerant channel 21, thereby defrosting the first refrigerant channel 21. In this way, the heat from the first water tank 4 is used to defrost the first refrigerant channel 21.

[0089] Optionally, the air conditioning system includes a second defrost mode. The second defrost mode corresponds to: compressor 1 stopping, first water pump 24 shutting off and second water pump 34 turning on, first open valve 35 closing and third open valve 63 opening.

[0090] In this embodiment, the refrigerant circulation path of the second defrosting mode is as follows: Figure 16 As shown. With the first open valve 35 closed and the third open valve 63 open, when the second water pump 34 is turned on, the hot water in the first water tank 4 can flow through the seventh water passage 61 to the fourth water passage 332. As the hot water continues to flow through the second water passage 32, it exchanges heat with the second refrigerant passage 31, thus defrosting the second refrigerant passage 31. The defrosted cold water then continues to flow along the eighth water passage 62 back to the first water tank 4 to be reheated. In this way, the heat from the first water tank 4 is used to defrost the second refrigerant passage 31.

[0091] Optionally, the air conditioning system also has a first bypass circuit 5 and a second bypass circuit 6. Based on the above embodiments, in cooling and hot water mode, heating and hot water mode, and hot water mode, the first water tank 4 can be heated by either the first bypass circuit 5, the second bypass circuit 6, or both the first bypass circuit 5 and the second bypass circuit 6.

[0092] The foregoing description and accompanying drawings fully illustrate embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An air conditioning system that can supply hot water, characterized in that, include: The compressor (1) includes an exhaust port (11) and an intake port (12); The first heat exchanger (2) includes a first fluorine channel (21) capable of exchanging heat between each other, a first water channel (22) and an air channel; The second heat exchanger (3) includes a second fluorine channel (31) and a second water channel (32) that can exchange heat with each other; wherein the exhaust port (11), the first fluorine channel (21), the second fluorine channel (31) and the suction port (12) of the compressor (1) are connected to form a refrigerant circulation loop. The hot water supply unit includes a first water tank (4) and a first water circulation loop (23) connected to a first water channel (22). The first water circulation loop (23) is used to regulate the temperature of the first water tank (4). The heating and cooling unit includes a heating and cooling terminal (36) and a second water circulation loop (33) connected to the second water channel (32). The second water circulation loop (33) is used to regulate the temperature of the heating and cooling terminal (36). Furthermore, the second water circulation loop (33) is connected to the first water circulation loop (23) through the first bypass loop (5), and / or the second water circulation loop (33) directly regulates the temperature of the first water tank (4) through the second bypass loop (6).

2. The air conditioning system for supplying hot water according to claim 1, characterized in that, The first water circulation loop (23) includes a first water path (231) and a second water path (232). The first end of the first water path (231) is connected to the first end of the first water channel (22), and the second end of the first water path (231) is connected to the first water outlet (401) of the first water tank (4). The first end of the second water path (232) is connected to the second end of the first water channel (22), and the second end of the second water path (232) is connected to the second water outlet (402) of the first water tank (4). A first water pump (24) is provided on the first water path (231). The second water circulation loop (33) includes a third water path (331) and a fourth water path (332). The first end of the third water path (331) is connected to the first end of the second water channel (32), and the second end of the third water path (331) is connected to the first end of the heating and cooling terminal (36) through the first guide valve (35). The first end of the fourth water path (332) is connected to the second end of the second water channel (32), and the second end of the fourth water path (332) is connected to the second end of the heating and cooling terminal (36). A second water pump (34) is provided on the fourth water path (332).

3. The air conditioning system for supplying hot water according to claim 2, characterized in that, A multi-way valve (26) is provided on the first water passage (231). The multi-way valve (26) includes valve port a, valve port b and valve port c. Valve port a is connected to the first end of the first water channel (22) and valve port b is connected to the first water outlet (401). Furthermore, the first water pump (24) is located between valve port a and the first end of the first water channel (22). In the case where the second water circulation loop (33) has a first bypass loop (5), the first bypass loop (5) includes a fifth water path (51) and a sixth water path (52). The first end of the fifth water path (51) is connected to the valve port c, and the second end of the fifth water path (51) is connected to the fourth water path (332). Furthermore, the second water pump (34) is located between the second end of the fifth water path (51) and the second end of the second water channel (32). A one-way valve (25) is provided on the second water path (232), and the conduction direction of the one-way valve (25) is limited to flow from the second end of the first water channel (22) to the second water outlet (402). The first end of the sixth water path (52) is connected between the one-way valve (25) and the second water outlet (402), and the second end of the sixth water path (52) is connected to the third water path (331). Furthermore, a second conduction valve (53) is provided on the sixth water path (52).

4. The air conditioning system for supplying hot water according to claim 3, characterized in that, The air conditioning system includes: The cooling mode corresponds to: refrigerant flowing from the first refrigerant channel (21) to the second refrigerant channel (31), the first water pump (24) being off and the second water pump (34) being on, valve port c being closed, the first open valve (35) being on and the second open valve (53) being off; and / or, The heating mode corresponds to: the refrigerant flows from the second refrigerant channel (31) to the first refrigerant channel (21), the first water pump (24) is closed and the second water pump (34) is open, the valve port c is closed, the first conducting valve (35) is open and the second conducting valve (53) is closed.

5. The air conditioning system for supplying hot water according to claim 3, characterized in that, The air conditioning system includes: The cooling and hot water modes correspond to: refrigerant flowing from the first refrigerant channel (21) to the second refrigerant channel (31), both the first water pump (24) and the second water pump (34) being turned on, valve port a and valve port b being connected and valve port c being closed, the first open valve (35) being opened and the second open valve (53) being closed; and / or, The heating and hot water modes correspond to: refrigerant flowing from the second refrigerant channel (31) to the first refrigerant channel (21), the first water pump (24) being closed and the second water pump (34) being open, valve port b and valve port c being connected and valve port a being closed, and both the first connecting valve (35) and the second connecting valve (53) being open; and / or, Hot water mode corresponds to: refrigerant flowing from the second refrigerant channel (31) to the first refrigerant channel (21), the first water pump (24) being closed and the second water pump (34) being open, valve port b and valve port c being connected and valve port a being closed, the first connecting valve (35) being closed and the second connecting valve (53) being open.

6. The air conditioning system for supplying hot water according to claim 3, characterized in that, The air conditioning system includes: The first defrosting mode corresponds to: the compressor (1) is stopped, the first water pump (24) is turned on and the second water pump (34) is turned off, valve port a and valve port b are connected and valve port c is closed, and the second connecting valve (53) is closed. The second defrosting mode corresponds to: the compressor (1) stops, the first water pump (24) is closed and the second water pump (34) is open, valve port b and valve port c are connected and valve port a is closed, the first conducting valve (35) is closed and the second conducting valve (53) is open.

7. The air conditioning system for supplying hot water according to claim 2, characterized in that, In the case where the second water circulation loop (33) has a second bypass loop (6), the second bypass loop (6) includes a seventh water path (61) and an eighth water path (62). The first end of the seventh water path (61) is connected to the third water outlet (403) of the first water tank (4), and the second end of the seventh water path (61) is connected to the fourth water path (332). Furthermore, the second water pump (34) is located between the second end of the seventh water path (61) and the second end of the second water channel (32). The first end of the eighth water path (62) is connected to the fourth water outlet (404) of the first water tank (4), and the second end of the eighth water path (62) is connected to the third water path (331). Furthermore, a third guide valve (63) is provided on the eighth water path (62).

8. The air conditioning system for supplying hot water according to claim 7, characterized in that, The air conditioning system includes: The cooling mode corresponds to: refrigerant flowing from the first refrigerant channel (21) to the second refrigerant channel (31), the first water pump (24) being off and the second water pump (34) being on, the first open valve (35) being on and the third open valve (63) being off; and / or, The heating mode corresponds to: the refrigerant flows from the second refrigerant channel (31) to the first refrigerant channel (21), the first water pump (24) is closed and the second water pump (34) is open, the first open valve (35) is open and the third open valve (63) is closed.

9. The air conditioning system for supplying hot water according to claim 7, characterized in that, The air conditioning system includes: The cooling and hot water modes correspond to: refrigerant flowing from the first refrigerant channel (21) to the second refrigerant channel (31), both the first water pump (24) and the second water pump (34) being turned on, the first open valve (35) being turned on and the third open valve (63) being turned off; and / or, The heating and hot water modes correspond to: refrigerant flowing from the second refrigerant channel (31) to the first refrigerant channel (21), the first water pump (24) being off and the second water pump (34) being on, and both the first open valve (35) and the third open valve (63) being on; and / or, Hot water mode corresponds to: refrigerant flowing from the second refrigerant channel (31) to the first refrigerant channel (21), the first water pump (24) being closed and the second water pump (34) being open, the first control valve (35) being closed and the third control valve (63) being open.

10. The air conditioning system for supplying hot water according to claim 3, characterized in that, The air conditioning system includes: The first defrosting mode corresponds to: compressor (1) stopping, first water pump (24) starting and second water pump (34) stopping, and third control valve (63) closing; and / or, The second defrosting mode corresponds to: the compressor (1) is stopped, the first water pump (24) is turned off and the second water pump (34) is turned on, the first control valve (35) is turned off and the third control valve (63) is turned on.

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