Air conditioning system for hot water supply and cold and warm supply

Abstract

The application relates to the technical field of air conditioning systems, and discloses an air conditioning system capable of supplying hot water and supplying cooling and heating, which comprises a compressor, a first heat exchanger, a second heat exchanger, a hot water supply unit and a cooling and heating supply unit. The first heat exchanger comprises a first fluorine channel and a water channel capable of exchanging heat with each other; the second heat exchanger comprises a second fluorine channel and an air channel capable of exchanging heat with each other; a part of a communication pipeline between an exhaust port and the first fluorine channel serves as a first heating pipeline; the hot water supply unit comprises a first water tank, and the first heating pipeline is located in the first water tank; the cooling and heating supply unit comprises a first water circulation loop, a floor heating coil, a second water circulation loop and a fan coil; the first water circulation loop comprises a second heating pipeline located in the first water tank, and the first water circulation loop is used for adjusting the temperature of the floor heating coil; the second water circulation loop is communicated with the water channel, and the second water circulation loop is used for adjusting the temperature of the fan coil.

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 and heating / cooling. 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] The complexity of tri-generation air conditioning systems leads to 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 and heating / cooling, solving the problem of high cost due to system complexity.

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

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

[0010] The first heat exchanger includes a first fluorine channel and a water channel that are capable of exchanging heat with each other;

[0011] The second heat exchanger includes a second refrigerant channel and an air 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, and the first refrigerant channel and the second refrigerant channel are arranged in parallel, and a part of the connecting pipe between the exhaust port and the first refrigerant channel serves as the first heating pipe.

[0012] A hot water supply unit includes a first water tank, and a first heating pipe is located inside the first water tank;

[0013] The heating and cooling unit includes a first water circulation loop, a floor heating coil, a second water circulation loop, and a fan coil unit; wherein, the first water circulation loop includes a second heating pipe located in a first water tank, and the first water circulation loop is used to regulate the temperature of the floor heating coil; the second water circulation loop is connected to a water channel, and the second water circulation loop is used to regulate the temperature of the fan coil unit.

[0014] Optionally, the first end of the first heating pipe is connected to the exhaust port via a four-way reversing valve, the first end of the first refrigerant passage is connected to the second end of the first heating pipe, and the second end of the first refrigerant passage is directly connected to the intake port; the refrigerant circulation loop is equipped with:

[0015] The first one-way valve is located between the first heating pipe and the first refrigerant channel, and its conduction direction is limited to flow from the first heating pipe to the first refrigerant channel.

[0016] The first throttling device is located between the first check valve and the first fluorine passage;

[0017] The second one-way valve is located between the first fluorine channel and the suction port, and its conduction direction is limited to flow from the first fluorine channel to the suction port.

[0018] Optionally, the first end of the second refrigerant channel is connected between the first one-way valve and the first throttling device, and the second end of the second refrigerant channel is connected to the suction port via a four-way reversing valve; the refrigerant circulation loop is also equipped with:

[0019] The first conduction valve is located between the first check valve and the first throttling device;

[0020] The second control valve is located between the first check valve and the second refrigerant channel;

[0021] The second throttling device is located between the second conduction valve and the second fluorine passage.

[0022] Optionally, the four-way reversing valve includes valve port C, valve port D, valve port E, and valve port S, wherein valve port D is connected to the exhaust port, valve port S is connected to the intake port, valve port C is connected to the first end of the first heating pipeline, and valve port E is connected to the second end of the second refrigerant channel.

[0023] The first water circulation loop is equipped with a first water pump, and the second water circulation loop is equipped with a second water pump.

[0024] Optionally, the air conditioning system includes:

[0025] The cooling mode corresponds to: valve port D and valve port E are connected, both the first and second conducting valves are open, the first throttling device throttles and the second throttling device is fully open, the first water pump is off and the second water pump is on.

[0026] Optionally, the air conditioning system includes:

[0027] The cooling and hot water modes correspond to: valve port D and valve port C being connected, the first conducting valve being open and the second conducting valve being closed, the first throttling device throttling, and the first water pump being closed and the second water pump being open.

[0028] Optionally, the air conditioning system includes:

[0029] The heating and hot water modes correspond to: valve port D and valve port C being connected, valve port E and valve port S being connected, the first conducting valve being closed and the second conducting valve being open, the second throttling device throttling, and the first water pump being turned on and the second water pump being turned off.

[0030] Optionally, the air conditioning system includes:

[0031] In hot water mode, valve ports D and C are connected, valve ports E and S are connected, the first connecting valve is closed and the second connecting valve is open, the second throttling device throttles, and both the first and second water pumps are closed.

[0032] Optionally, the two ends of the underfloor heating coil are connected in series in the first water circulation loop; and / or,

[0033] The two ends of the fan coil unit are connected in series to the second water circulation loop.

[0034] Optionally, the first water tank is equipped with an inlet pipe and an outlet pipe. The inlet pipe is used to replenish water into the first water tank, and the outlet pipe is connected to water-using equipment.

[0035] Furthermore, a mixing valve is installed on the outlet pipe, and the inlet pipe is connected to the mixing valve through a mixing branch.

[0036] The air conditioning system that provides hot water and heating / cooling according to the embodiments of this disclosure can achieve the following technical effects:

[0037] The air conditioning system employs two heat exchangers: the first can be called a water-fluorine dual-medium heat exchanger, and the second a gas-fluorine dual-medium heat exchanger. With both the first and second heating pipes located within the first water tank, when the high-temperature refrigerant discharged from the compressor flows through the first heating pipe, it exchanges heat with the water in the first water tank, transferring heat to the water. Conversely, when water in the first water circulation loop flows through the second heating pipe, it exchanges heat with the water in the first water tank, transferring heat to the first water circulation loop, which then regulates the temperature of the underfloor heating coils. Furthermore, the first refrigerant channel can exchange heat with the water channel, transferring heat to the second water circulation loop, which in turn regulates the temperature of the fan coil units. This simple and ingenious layout allows the air conditioning system to provide cooling, heating, and hot water.

[0038] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0039] 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:

[0040] Figure 1 This is a schematic diagram of the structure of an air conditioning system provided in an embodiment of this disclosure;

[0041] Figure 2 This is a schematic diagram of the refrigerant flow direction under the cooling mode provided in the embodiments of this disclosure;

[0042] Figure 3 This is a schematic diagram of the refrigerant flow direction in the cooling and hot water modes provided in the embodiments of this disclosure;

[0043] Figure 4 This is a schematic diagram of the refrigerant flow direction in heating and hot water modes provided in the embodiments of this disclosure;

[0044] Figure 5 This is a schematic diagram of the refrigerant flow direction in the hot water mode provided in the embodiments of this disclosure.

[0045] Figure label:

[0046] 1. Compressor; 11. Discharge port; 12. Inlet port; 13. First throttling device; 14. Second throttling device; 15. First open valve; 16. Second open valve; 17. First check valve; 18. Second check valve; 19. Four-way reversing valve;

[0047] 2. First heat exchanger; 21. First refrigerant channel; 22. Water channel;

[0048] 3. Second heat exchanger; 31. Second refrigerant channel;

[0049] 4. First water tank; 41. First heating pipe; 42. Inlet pipe; 43. Outlet pipe; 44. Mixing valve; 45. Mixing branch;

[0050] 5. First water circulation loop; 51. Underfloor heating coil; 52. Second heating pipe; 53. First water pump; 54. Second water tank;

[0051] 6. Second water circulation loop; 61. Fan coil unit; 62. Second water pump. Detailed Implementation

[0052] 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.

[0053] 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.

[0054] 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.

[0055] 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.

[0056] Unless otherwise stated, the term "multiple" means two or more.

[0057] 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.

[0058] 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.

[0059] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0060] This disclosure provides an air conditioning system (hereinafter referred to as the air conditioning system) that can provide hot water and heating / cooling. 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 heating / cooling 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 and a water channel 22 capable of exchanging heat with each other. Second heat exchanger 3 includes a second refrigerant channel 31 and an air channel capable of exchanging heat with each other. A fan is provided on one side of the second heat exchanger 3, and the airflow from the fan blows through the second refrigerant channel 31 to form an air channel. 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, and the first refrigerant channel 21 and second refrigerant channel 31 are arranged in parallel. A portion of the connecting pipe between the exhaust port 11 and the first refrigerant channel 21 serves as a first heating pipe 41. The hot water supply unit includes a first water tank 4, and the first heating pipe 41 is located inside the first water tank 4. The cooling and heating unit includes a first water circulation loop 5, a floor heating coil 51, a second water circulation loop 6, and a fan coil unit 61. The first water circulation loop 5 includes a second heating pipe 52 located inside the first water tank 4, and is used to regulate the temperature of the underfloor heating coil 51. The second water circulation loop 6 is connected to the water channel 22, and is used to regulate the temperature of the fan coil unit 61.

[0061] In this embodiment, the air conditioning system employs two heat exchangers. The first heat exchanger 2 can be referred to as a water-fluorine dual-medium heat exchanger, and the second heat exchanger 3 can be referred to as a gas-fluorine dual-medium heat exchanger. With both the first heating pipe 41 and the second heating pipe 52 located in the first water tank 4, when the high-temperature refrigerant discharged from the compressor 1 flows through the first heating pipe 41, it exchanges heat with the water in the first water tank 4, transferring heat to the water in the first water tank 4. Furthermore, when the water in the first water circulation loop 5 flows through the second heating pipe 52, it exchanges heat with the water in the first water tank 4, transferring heat to the first water circulation loop 5, thereby regulating the temperature of the underfloor heating coil 51. Additionally, the first fluorine channel 21 can exchange heat with the water channel 22, transferring heat to the second water circulation loop 6, thereby regulating the temperature of the fan coil unit 61. Thus, the air conditioning system has a simple and ingenious layout, capable of providing cooling, heating, and hot water functions, also known as a tri-generation system.

[0062] Optionally, both ends of the underfloor heating coil 51 are connected in series to the first water circulation loop 5. The underfloor heating coil 51 transfers heat to the room through floor radiation.

[0063] Optionally, both ends of the fan coil unit 61 are connected in series to the second water circulation loop 6. A fan is provided on one side of the fan coil unit 61, and the airflow of the fan is used to transfer the heat or cold of the fan coil unit 61 to the room.

[0064] Optionally, such as Figure 1 As shown, the first water tank 4 is equipped with an inlet pipe 42 and an outlet pipe 43. The inlet pipe 42 is used to replenish water into the first water tank 4, and the outlet pipe 43 is connected to water-using equipment. When the water level in the first water tank 4 is insufficient, room temperature water is replenished into the first water tank 4 through the inlet pipe 42. The heated hot water in the first water tank 4 flows to the water-using equipment through the outlet pipe 43.

[0065] Optionally, a mixing valve 44 is provided on the outlet pipe 43, and the inlet pipe 42 is connected to the mixing valve 44 via a mixing branch 45. When the mixing valve 44 is closed, normal temperature water flows in the inlet pipe 42, and hot water flows in the outlet pipe 43. When the mixing valve 44 is open, the normal temperature water in the inlet pipe 42 flows to the outlet pipe 43 through the mixing branch 45, and the normal temperature water and hot water mix and flow to the water-using equipment.

[0066] Optionally, a second water tank 54 is provided on the first water circulation loop 5. The second water tank 54 serves as a buffer tank, which plays a role in regulating the water volume and stabilizing the pressure.

[0067] Optionally, such as Figure 1 As shown, the first end of the first heating pipe 41 is connected to the exhaust port 11 via a four-way reversing valve 19. The first end of the first refrigerant channel 21 is connected to the second end of the first heating pipe 41, and the second end of the first refrigerant channel 21 is directly connected to the suction port 12. A first one-way valve 17, a first throttling device 13, and a second one-way valve 18 are provided on the refrigerant circulation loop. The first one-way valve 17 is located between the first heating pipe 41 and the first refrigerant channel 21, and its flow direction is limited to flow from the first heating pipe 41 to the first refrigerant channel 21. The first throttling device 13 is located between the first one-way valve 17 and the first refrigerant channel 21. The second one-way valve 18 is located between the first refrigerant channel 21 and the suction port 12, and its flow direction is limited to flow from the first refrigerant channel 21 to the suction port 12.

[0068] In this embodiment, under the action of the first one-way valve 17, only the refrigerant in the first heating pipe 41 is allowed to flow to the first refrigerant channel 21. Under the action of the second one-way valve 18, only the refrigerant in the first refrigerant channel 21 is allowed to flow to the suction port 12. The first throttling device 13 has a throttling state, a closed state, and a fully open state. In the throttling state, the first throttling device 13 can throttle and reduce the pressure of the flowing refrigerant. In the closed state, the first throttling device 13 blocks the flow of refrigerant. In the fully open state, the first throttling device 13 allows the flowing refrigerant to continue to flow without throttling or reducing pressure.

[0069] Optionally, the first end of the second refrigerant channel 31 is connected between the first one-way valve 17 and the first throttling device 13, and the second end of the second refrigerant channel 31 is connected to the suction port 12 via a four-way reversing valve 19. The refrigerant circulation loop is also equipped with a first open valve 15, a second open valve 16, and a second throttling device 14. The first open valve 15 is located between the first one-way valve 17 and the first throttling device 13. The second open valve 16 is located between the first one-way valve 17 and the second refrigerant channel 31. The second throttling device 14 is located between the second open valve 16 and the second refrigerant channel 31.

[0070] In this embodiment, the first conducting valve 15 has an open state and a closed state. When the first conducting valve 15 is open, it allows refrigerant to continue flowing. When the first conducting valve 15 is closed, it blocks the flow of refrigerant. The second conducting valve 16 also has an open state and a closed state. When the second conducting valve 16 is open, it allows refrigerant to continue flowing. When the second conducting valve 16 is closed, it blocks the flow of refrigerant. The second throttling device 14 has a throttling state, a closed state, and a fully open state. When the second throttling device 14 is in the throttling state, it can throttle and reduce the pressure of the flowing refrigerant. When the second throttling device 14 is closed, it blocks the flow of refrigerant. When the second throttling device 14 is fully open, it allows the flowing refrigerant to continue flowing without throttling or reducing pressure.

[0071] Optionally, such as Figure 1 As shown, the four-way reversing valve 19 includes valve port C, valve port D, valve port E, and valve port S. Valve port D is connected to the exhaust port 11, valve port S is connected to the intake port 12, valve port C is connected to the first end of the first heating pipe 41, and valve port E is connected to the second end of the second refrigerant channel 31. A first water pump 53 is provided on the first water circulation loop 5, and a second water pump 62 is provided on the second water circulation loop 6.

[0072] In this embodiment, when valve port D and valve port C are connected, the refrigerant from the exhaust port 11 of compressor 1 flows sequentially through valve port D and valve port C to the first heating pipe 41. When valve port D and valve port E are connected, the refrigerant from the exhaust port 11 of compressor 1 flows sequentially through valve port D and valve port E to the second refrigerant channel 31. When the first water pump 53 is turned on, the water in the first water circulation loop 5 begins to circulate, and when it flows through the second heating pipe 52, it can exchange heat with the water in the first water tank 4. When the second water pump 62 is turned on, the water in the second water circulation loop 6 begins to circulate, and when it flows through the water channel 22, it can exchange heat with the first refrigerant channel 21.

[0073] Optionally, the air conditioning system includes a cooling mode. The cooling mode corresponds to: valve port D and valve port E being open, both the first open valve 15 and the second open valve 16 being open, the first throttling device 13 throttling and the second throttling device 14 being fully open, the first water pump 53 being closed and the second water pump 62 being open.

[0074] In this embodiment, the refrigerant circulation path in the cooling mode is as follows: Figure 2 As shown, the refrigerant at the discharge port 11 of compressor 1 flows sequentially through valve port D, valve port E, second refrigerant passage 31, second throttling device 14, second open valve 16, first open valve 15, first throttling device 13, first refrigerant passage 21, and second one-way valve 18 to the suction port 12 of compressor 1. At this time, the first refrigerant passage 21 generates cooling, the second refrigerant passage 31 generates heat, and there is no refrigerant flowing through the first heating pipe 41. Simultaneously, the second water pump 62 is turned on to circulate the second water circulation loop 6, the water passage 22 exchanges heat with the first refrigerant passage 21, and transfers the cooling energy to the fan coil unit 61 through the second water circulation loop 6. In this way, cooling is achieved using the fan coil unit 61.

[0075] Optionally, the air conditioning system includes cooling and hot water modes. The cooling and hot water modes correspond to: valve port D and valve port C being connected, the first conducting valve 15 being open and the second conducting valve 16 being closed, the first throttling device 13 throttling, and the first water pump 53 being closed and the second water pump 62 being open.

[0076] In this embodiment, the refrigerant circulation path for both cooling and hot water modes is as follows: Figure 3 As shown, the refrigerant at the discharge port 11 of compressor 1 flows sequentially through valve port D, valve port C, first heating pipe 41, first one-way valve 17, first conduction valve 15, first throttling device 13, first refrigerant passage 21, and second one-way valve 18 to the suction port 12 of compressor 1. At this time, the first refrigerant passage 21 generates cooling, the second refrigerant passage 31 has no refrigerant flow, and the first heating pipe 41 generates heat. Simultaneously, the second water pump 62 is activated to circulate the second water circulation loop 6, allowing heat exchange between the water passage 22 and the first refrigerant passage 21, and transferring the cooling energy to the fan coil unit 61 through the second water circulation loop 6. Furthermore, the water in the first water tank 4 is heated by the first heating pipe 41. Thus, cooling is achieved using the fan coil unit 61, and hot water is supplied using the first water tank 4.

[0077] Optionally, the air conditioning system includes heating and hot water modes. The heating and hot water modes correspond to: valve port D and valve port C being connected, valve port E and valve port S being connected, the first conducting valve 15 being closed and the second conducting valve 16 being open, the second throttling device 14 throttling, and the first water pump 53 being turned on and the second water pump 62 being turned off.

[0078] In this embodiment, the refrigerant circulation path for both heating and hot water modes is as follows: Figure 4As shown, the refrigerant from the exhaust port 11 of compressor 1 flows sequentially through valve port D, valve port C, first heating pipe 41, first one-way valve 17, second throttling device 16, second refrigerant passage 31, valve port E, and valve port S to the suction port 12 of compressor 1. At this time, no refrigerant flows through the first refrigerant passage 21, the second refrigerant passage 31 generates cooling, and the first heating pipe 41 generates heat. Under the action of the first heating pipe 41, the water in the first water tank 4 is heated. Simultaneously, the first water pump 53 is activated to circulate the first water circulation loop 5, allowing the water in the first water tank 4 to exchange heat with the second heating pipe 52, and transferring the heat to the underfloor heating coil 51 through the first water circulation loop 5. Thus, the underfloor heating coil 51 provides heating, and the first water tank 4 supplies hot water.

[0079] Optionally, the air conditioning system includes a hot water mode. The hot water mode corresponds to: valve port D and valve port C being connected, valve port E and valve port S being connected, the first conducting valve 15 being closed and the second conducting valve 16 being open, the second throttling device 14 throttling, and both the first water pump 53 and the second water pump 62 being closed.

[0080] In this embodiment, the refrigerant circulation path in hot water mode is as follows: Figure 5 As shown, the refrigerant from the discharge port 11 of compressor 1 flows sequentially through valve port D, valve port C, first heating pipe 41, first check valve 17, second throttling device 16, second refrigerant passage 31, valve port E, and valve port S to the suction port 12 of compressor 1. At this time, no refrigerant flows through the first refrigerant passage 21, the second refrigerant passage 31 generates cooling, and the first heating pipe 41 generates heat. Under the action of the first heating pipe 41, the water in the first water tank 4 is heated. Thus, hot water is supplied using the first water tank 4.

[0081] 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 provides hot water and heating / cooling, 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) and a water channel (22) capable of exchanging heat with each other; The second heat exchanger (3) includes a second fluorine passage (31) and an air passage that can exchange heat with each other; wherein, the exhaust port (11), the first fluorine passage (21), the second fluorine passage (31) and the suction port (12) of the compressor (1) are connected to form a refrigerant circulation loop, and the first fluorine passage (21) and the second fluorine passage (31) are arranged in parallel, and the part of the connecting pipe between the exhaust port (11) and the first fluorine passage (21) serves as the first heating pipe (41); The hot water supply unit includes a first water tank (4), and a first heating pipe (41) is located inside the first water tank (4); The heating and cooling unit includes a first water circulation loop (5), a floor heating coil (51), a second water circulation loop (6), and a fan coil unit (61); wherein, the first water circulation loop (5) includes a second heating pipe (52) located in the first water tank (4), and the first water circulation loop (5) is used to regulate the temperature of the floor heating coil (51); the second water circulation loop (6) is connected to the water channel (22), and the second water circulation loop (6) is used to regulate the temperature of the fan coil unit (61).

2. The air conditioning system providing hot water and heating / cooling according to claim 1, characterized in that, The first end of the first heating pipe (41) is connected to the exhaust port (11) via a four-way reversing valve (19); the first end of the first refrigerant channel (21) is connected to the second end of the first heating pipe (41); and the second end of the first refrigerant channel (21) is directly connected to the intake port (12). The refrigerant circulation loop is equipped with: The first one-way valve (17) is located between the first heating pipe (41) and the first fluorine channel (21), and its conduction direction is limited to flow from the first heating pipe (41) to the first fluorine channel (21); The first throttling device (13) is located between the first check valve (17) and the first fluorine passage (21); The second one-way valve (18) is located between the first fluorine channel (21) and the suction port (12), and its conduction direction is limited to flow from the first fluorine channel (21) to the suction port (12).

3. The air conditioning system providing hot water and heating / cooling according to claim 2, characterized in that, The first end of the second refrigerant channel (31) is connected between the first one-way valve (17) and the first throttling device (13), and the second end of the second refrigerant channel (31) is connected to the suction port (12) through a four-way reversing valve (19); the refrigerant circulation loop is also equipped with: The first conducting valve (15) is located between the first check valve (17) and the first throttling device (13); The second conduction valve (16) is located between the first check valve (17) and the second fluorine passage (31); The second throttling device (14) is located between the second conduction valve (16) and the second fluorine channel (31).

4. The air conditioning system providing hot water and heating / cooling according to claim 3, characterized in that, The four-way reversing valve (19) includes valve port C, valve port D, valve port E and valve port S, wherein valve port D is connected to the exhaust port (11), valve port S is connected to the intake port (12), valve port C is connected to the first end of the first heating pipe (41) and valve port E is connected to the second end of the second fluorine channel (31). The first water circulation loop (5) is equipped with a first water pump (53), and the second water circulation loop (6) is equipped with a second water pump (62).

5. The air conditioning system providing hot water and heating / cooling according to claim 4, characterized in that, The air conditioning system includes: The cooling mode corresponds to: valve port D and valve port E are connected, the first connecting valve (15) and the second connecting valve (16) are both open, the first throttling device (13) throttles and the second throttling device (14) is fully open, the first water pump (53) is closed and the second water pump (62) is open.

6. The air conditioning system providing hot water and heating / cooling according to claim 4, characterized in that, The air conditioning system includes: The cooling and hot water modes correspond to: valve port D and valve port C being connected, the first conducting valve (15) being open and the second conducting valve (16) being closed, the first throttling device (13) being throttled, the first water pump (53) being closed and the second water pump (62) being turned on.

7. The air conditioning system providing hot water and heating / cooling according to claim 4, characterized in that, The air conditioning system includes: The heating and hot water modes correspond to: valve port D and valve port C are connected, valve port E and valve port S are connected, the first conducting valve (15) is closed and the second conducting valve (16) is open, the second throttling device (14) throttles, the first water pump (53) is turned on and the second water pump (62) is turned off.

8. The air conditioning system providing hot water and heating / cooling according to claim 4, characterized in that, The air conditioning system includes: In hot water mode, valve port D is connected to valve port C, valve port E is connected to valve port S, the first conducting valve (15) is closed and the second conducting valve (16) is open, the second throttling device (14) throttles, and the first water pump (53) and the second water pump (62) are both closed.

9. The air conditioning system providing hot water and heating / cooling according to any one of claims 1 to 7, characterized in that, The two ends of the underfloor heating coil (51) are connected in series to the first water circulation loop (5); and / or, The two ends of the fan coil unit (61) are connected in series to the second water circulation loop (6).

10. The air conditioning system providing hot water and heating / cooling according to any one of claims 1 to 7, characterized in that, The first water tank (4) is equipped with an inlet pipe (42) and an outlet pipe (43). The inlet pipe (42) is used to replenish water into the first water tank (4), and the outlet pipe (43) is connected to water-using equipment. Furthermore, a mixing valve (44) is provided on the outlet pipe (43), and the inlet pipe (42) is connected to the mixing valve (44) through the mixing branch (45).

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