An air conditioning system

Abstract

An air conditioning system, a fluid device, the fluid device can control the on-off of a fourth interface and a first interface, the on-off of the fourth interface and a third interface, the fluid device can control the on-off of the second interface and the third interface, the fluid device can control the on-off of the second interface and the inlet of a gas-liquid separation component, the inlet of a first heat exchanger is connected to the first interface, the outlet of the first heat exchanger is connected to the second interface, the inlet of an expansion valve is connected to the third interface, the outlet of the expansion valve is connected to the inlet of a third heat exchanger, the outlet of the third heat exchanger is connected to the sixth interface, the inlet of a compressor is connected to the fifth interface, the outlet of the compressor is connected to the inlet of a second heat exchanger, and the outlet of the second heat exchanger is connected to the fourth interface, so that the number of components that need to be connected by pipelines in the air conditioning system is reduced, thereby reducing the installation space of the air conditioning system.

Description

Technical Field

[0001] The invention relates to the technical field of automobile air conditioning, and in particular to an air conditioning system. Background Art

[0002] The various components of the existing automobile air-conditioning system are connected by pipes. The installation design of the air-conditioning system requires not only installation space for the various components, but also wiring space for the pipes. Sometimes the space occupied by the pipes is larger than the space occupied by some components, so that the air-conditioning system requires a larger installation space. Summary of the invention

[0003] The following technical solution is adopted: an air conditioning system, comprising a first heat exchanger, a compressor, a second heat exchanger, a third heat exchanger, and an expansion valve, characterized in that it also comprises a fluid device;

[0004] The fluid device includes a circulation block, the circulation block has a first interface, a second interface, a third interface, a fourth interface, a fifth interface, and a sixth interface, the fluid device can control the connection and disconnection of the fourth interface and the first interface, the size of the fluid flow from the fourth interface to the first interface, the fluid device can control the connection and disconnection of the fourth interface and the third interface, the fluid device can control the connection and disconnection of the second interface and the third interface, the fluid device also includes a gas-liquid separation component, the inlet of the gas-liquid separation component is connected to the sixth interface, the outlet of the gas-liquid separation component is the fifth interface, and the fluid device can control the connection and disconnection of the second interface and the inlet of the gas-liquid separation component;

[0005] When the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface; when the second interface is connected to the inlet of the gas-liquid separation component, the second interface is not connected to the third interface, and the second interface is not connected to the fourth interface;

[0006] The inlet of the first heat exchanger is connected to the first interface, the outlet of the first heat exchanger is connected to the second interface, the inlet of the expansion valve is connected to the third interface, the outlet of the expansion valve is connected to the inlet of the third heat exchanger, the outlet of the third heat exchanger is connected to the sixth interface, the inlet of the compressor is connected to the fifth interface, the outlet of the compressor is connected to the inlet of the second heat exchanger, and the outlet of the second heat exchanger is connected to the fourth interface.

[0007] The fluid device in the air-conditioning system of the above technical solution includes a circulation block, and the circulation block has a first interface, a second interface, a third interface, a fourth interface, a fifth interface, and a sixth interface. The fluid device can control the connection and disconnection of the fourth interface and the first interface, and the flow rate of the fluid from the fourth interface to the first interface passing through the fluid device. The fluid device can control the connection and disconnection of the fourth interface and the third interface, and the fluid device can control the connection and disconnection of the second interface and the third interface. The fluid device also includes a gas-liquid separation component, and the inlet of the gas-liquid separation component is connected to the sixth interface, and the outlet of the gas-liquid separation component is the fifth interface. The fluid device can control the connection and disconnection of the second interface and the inlet of the gas-liquid separation component, so that the number of components that need to be connected by pipelines in the air-conditioning system is reduced, thereby reducing the installation space of the air-conditioning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 is a schematic diagram of an air conditioning system of the present invention;

[0009] Figure 2 yes Figure 1 A system schematic diagram of a first embodiment of an air conditioning system is shown;

[0010] Figure 3 yes Figure 2 A schematic diagram of the three-dimensional structure of the fluid device shown;

[0011] Figure 4 yes Figure 3 A three-dimensional exploded schematic diagram of the fluid device shown;

[0012] Figure 5 yes Figure 3 A three-dimensional exploded schematic diagram of the fluid device shown in another angle;

[0013] Figure 6 yes Figure 1 A system schematic diagram of a second embodiment of the air conditioning system shown;

[0014] Figure 7 yes Figure 6 A schematic diagram of the three-dimensional structure of the first fluid component shown;

[0015] Figure 8 yes Figure 7 A schematic diagram of the three-dimensional structure of the first circulation block shown;

[0016] Fig. 9 yes Figure 7 A schematic cross-sectional view of the first fluid component shown;

[0017] Fig.10 yes Figure 7A schematic cross-sectional view of the first fluid component at another angle;

[0018] Fig.11 yes Figure 1 A system schematic diagram of a third embodiment of the air conditioning system shown;

[0019] Fig.12 yes Figure 1 A system schematic diagram of a fourth embodiment of an air conditioning system shown;

[0020] Fig.13 yes Figure 1 A schematic diagram of a system in a fifth embodiment of an air conditioning system shown;

[0021] Fig.14 yes Figure 1 A schematic diagram of a sixth embodiment of an air conditioning system shown;

[0022] Fig.15 yes Figure 1 A system schematic diagram of a seventh embodiment of an air-conditioning system is shown. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to fundamentally understand the technical solution of the present invention, further detailed description is given below in conjunction with the accompanying drawings and specific embodiments.

[0024] Please refer to Figure 1 As shown, in this embodiment, the air conditioning system includes a second heat exchanger 1, a fluid device 2, a first heat exchanger 3, an expansion valve 4, a third heat exchanger 5, and a compressor 6.

[0025] The fluid device 2 includes a circulation block 27, and the circulation block 27 has a first interface 201, a second interface 202, a third interface 203, a fourth interface 204, a fifth interface 205, and a sixth interface 206. The fluid device 2 can control the connection and disconnection between the fourth interface 204 and the first interface 201, the size of the fluid flow from the fourth interface 204 to the first interface 201, the fluid device 2 can control the connection and disconnection between the fourth interface 204 and the third interface 203, and the fluid device 2 can control the connection and disconnection between the second interface 202 and the third interface 203. The fluid device 2 also includes a gas-liquid separation component 26, the inlet of the gas-liquid separation component 26 is connected to the sixth interface 206, the outlet of the gas-liquid separation component 26 is the fifth interface 205, and the fluid device 2 can control the connection and disconnection between the second interface 202 and the inlet of the gas-liquid separation component 26.

[0026] The first flow channel 001 is the flow channel between the fourth interface 204 and the first interface 201, the second flow channel 002 is the flow channel between the fourth interface 204 and the third interface 203, the third flow channel 003 is the flow channel between the third interface 203 and the second interface 202, and the fourth flow channel 004 is the flow channel between the second interface 202 and the inlet of the gas-liquid separation component 26.

[0027] When the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203. When the second interface 202 is connected to the inlet of the gas-liquid separation component 26, the second interface 202 is not connected to the third interface 203, and the second interface 202 is not connected to the fourth interface 204.

[0028] The inlet of the first heat exchanger 3 is connected to the first interface 201, the outlet of the first heat exchanger 3 is connected to the second interface 202, the inlet of the expansion valve 4 is connected to the third interface 203, the outlet of the expansion valve 4 is connected to the inlet of the third heat exchanger 5, the outlet of the third heat exchanger 5 is connected to the sixth interface 206, the inlet of the compressor 6 is connected to the fifth interface 205, the outlet of the compressor 6 is connected to the inlet of the second heat exchanger 1, and the outlet of the second heat exchanger 1 is connected to the fourth interface 204, so that the number of components that need to be connected by pipelines in the air-conditioning system is reduced, thereby reducing the installation space of the air-conditioning system.

[0029] Please refer to Figure 2-Figure 5 As shown, the fluid device 2 includes a first fluid component 210 and a second fluid component 220 . The first fluid component 210 includes a first flow block 271 , the second fluid component 220 includes a second flow block 272 , and the flow block 27 includes the first flow block 271 and the second flow block 272 .

[0030] In this embodiment, the circulation block 27 includes a first circulation block 271 and a second circulation block 272. The first circulation block 271 has a first interface 201, a fourth interface 204, and a seventh interface 207. The fourth interface 204 is connected to the seventh interface 207. The second circulation block 272 has a second interface 202, a third interface 203, a fifth interface 205, a sixth interface 206, and an eighth interface 208. The seventh interface 207 is connected to the eighth interface 208.

[0031] The second circulation block 272 further includes a ninth interface 209 , which is communicated with the inlet of the gas-liquid separation component 26 . This arrangement facilitates processing of the circulation block.

[0032] The first fluid component 210 can control the connection and disconnection between the fourth interface 204 and the first interface 201, and the flow rate of the fluid from the fourth interface 204 to the first interface 201 through the first fluid component 210. The second fluid component 220 can control the connection and disconnection between the fourth interface 204 and the third interface 203, the second fluid component 220 can control the connection and disconnection between the second interface 202 and the third interface 203, and the second fluid component 220 can control the connection and disconnection between the second interface 202 and the ninth interface 209.

[0033] Please refer to Figure 6 As shown, in this embodiment, the first fluid component 210 includes a first solenoid valve core component 21 and a throttle valve core component 22. The first solenoid valve core component 21 and the throttle valve core component 22 are fixed to the first circulation block 271. In this embodiment, the first solenoid valve core component 21 and the throttle valve core component 22 are fixed to the first circulation block by threaded connection.

[0034] The first solenoid valve core component 21 can control the connection between the first interface 201 and the fourth interface 204 , and the throttle valve core component 22 can control the connection between the first interface 201 and the fourth interface 204 , and the flow rate of the fluid from the fourth interface 204 to the first interface 201 through the throttle valve core component 22 .

[0035] The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode.

[0036] In cooling mode, the first solenoid valve core component 21 is opened, the throttling valve core component 22 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is connected to the third interface 203, the second interface 202 is not connected to the ninth interface 209, and the expansion valve 4 is opened.

[0037] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204, the medium in the first fluid component 210 flows out from the first interface 201 and enters the first heat exchanger 3, the medium in the first heat exchanger 3 flows out from the second interface 202 and enters the second fluid component 220, the medium in the second fluid component 220 flows out from the third interface 203 and enters the expansion valve 4, the medium in the expansion valve 4 flows out and enters the third heat exchanger 5, the medium in the third heat exchanger 5 flows out and enters the second fluid component 220 from the sixth interface 206, the medium in the second fluid component 220 flows out from the ninth interface 209 and enters the gas-liquid separation component 26, the medium in the gas-liquid separation component 26 flows out from the fifth interface 205 and enters the compressor 6, the medium in the compressor 6 flows out and enters the second heat exchanger 1, and the cycle works in this way to achieve cooling of the indoor air.

[0038] In heating mode, the first solenoid valve core component 21 is closed, the throttling valve core component 22 is opened, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the second interface 202 is connected to the ninth interface 209.

[0039] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204; after flowing out, the medium in the first fluid component 210 enters the first heat exchanger 3 from the first interface 201; after flowing out, the medium in the first heat exchanger 3 enters the second fluid component 220 from the second interface 202; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; the cycle works in this way to achieve heating of the indoor air.

[0040] In dehumidification mode, the first solenoid valve core component 21 is closed, the throttling valve core component 22 is closed, the fourth interface 204 is not connected to the first interface 201, the fourth interface 204 is connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the expansion valve 4 is opened.

[0041] After flowing out, the medium in the second heat exchanger 1 enters the second fluid component 220 from the fourth interface 204; after flowing out, the medium in the second fluid component 220 enters the expansion valve 4 from the third interface 203; after flowing out, the medium in the expansion valve 4 enters the third heat exchanger 5; after flowing out, the medium in the third heat exchanger 5 enters the second fluid component 220 from the sixth interface 206; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; and the cycle works in this way to achieve dehumidification of the indoor air.

[0042] Please refer to Figure 7-Figure 10 As shown, in this embodiment, the first circulation block 271 includes a first valve cavity 410, the first solenoid valve core component 21 is at least partially located in the first valve cavity 410, and the first solenoid valve core component 21 is fixedly arranged with the first circulation block 271. The first circulation block 271 also includes a first interface channel 100 and a second interface channel 200, the first interface channel 100 is in communication with the first valve cavity 410, and the first solenoid valve core component 21 can control the connection and disconnection of the first interface channel 100 and the second interface channel 200. The first circulation block 271 also includes a second valve cavity 510, the throttle valve core component 22 is at least partially located in the second valve cavity 510, and the throttle valve core component 22 is fixedly arranged with the first circulation block 271.

[0043] The first circulation block 271 also includes a first flow channel 300, which connects the first interface channel 100 and the second valve chamber 510, and the second valve chamber 510 is connected to the second interface channel 200. The throttling valve core component 22 can control the connection and disconnection of the first flow channel 300 and the second interface channel 200, as well as the fluid flow.

[0044] The first circulation block 271 also has a first valve port 110, which is located in the first valve cavity 410. The first valve port 110 can connect the first valve cavity 410 with the second interface channel 200. The first valve cavity 410 connects the first interface channel 100 with the first flow channel 300. The first flow channel 300 connects the first valve cavity 410 and the second valve cavity 510.

[0045] The first circulation block 271 also has a second valve port 120, which is located at the throttling valve core component 22. The first circulation block 271 also includes a second flow channel 400, which is connected to the second valve chamber 510. The second valve port 120 is located between the connection between the first flow channel 300 and the second valve chamber 510 and the connection between the second flow channel 400 and the second valve chamber 510.

[0046] The second flow channel 400 communicates with the second valve chamber 510 and the second interface channel 200 , or the second flow channel 400 is a part of the second interface channel 200 .

[0047] During operation, when the first valve port 110 is open and the second valve port 120 is closed, the refrigerant enters the first valve cavity 410 through the first interface channel 101, then enters the second interface channel 200, and finally flows out of the first valve body component from the fourth interface 204. When the first valve port 110 is closed and the second valve port 120 is open, the refrigerant enters the first flow channel 300 through the first interface 201, then enters the second valve cavity 510, and finally flows out of the first valve body component from the fourth interface 204.

[0048] The first circulation block integrates the first electromagnetic valve core component and the throttle valve core component, which can relatively reduce the connecting pipelines between the first electromagnetic valve and the throttle valve.

[0049] Please refer to Fig.11 As shown, the second fluid component 220 includes a one-way valve core component 23, a second solenoid valve core component 24, and a third solenoid valve core component 25. The one-way valve core component 23, the second solenoid valve core component 24, the third solenoid valve core component 25, and the gas-liquid separation component 26 are fixed to the second circulation block 272. In this embodiment, the second solenoid valve core component, the third solenoid valve core component 25 and the second circulation block 272 are fixed by threaded connection, the gas-liquid separation component 26 and the second circulation block 272 are fixed by screws, and the one-way valve core component 23 and the second circulation block 272 are fixed by an elastic retaining ring.

[0050] The one-way valve core component 23 can control the connection between the second interface 202 and the third interface 203 , the second electromagnetic valve core component 24 can control the connection between the second interface 202 and the ninth interface 209 , and the third electromagnetic valve core component 25 can control the connection between the fourth interface 204 and the third interface 203 .

[0051] The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode.

[0052] In cooling mode, the one-way valve core component 23 is opened, the second solenoid valve core component 24 is closed, the third solenoid valve core component 25 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is connected to the third interface 203, the second interface 202 is not connected to the ninth interface 209, and the expansion valve 4 is opened.

[0053] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204, the medium in the first fluid component 210 flows out from the first interface 201 and enters the first heat exchanger 3, the medium in the first heat exchanger 3 flows out from the second interface 202 and enters the second fluid component 220, the medium in the second fluid component 220 flows out from the third interface 203 and enters the expansion valve 4, the medium in the expansion valve 4 flows out and enters the third heat exchanger 5, the medium in the third heat exchanger 5 flows out and enters the second fluid component 220 from the sixth interface 206, the medium in the second fluid component 220 flows out from the ninth interface 209 and enters the gas-liquid separation component 26, the medium in the gas-liquid separation component 26 flows out from the fifth interface 205 and enters the compressor 6, the medium in the compressor 6 flows out and enters the second heat exchanger 1, and the cycle works in this way to achieve cooling of the indoor air.

[0054] In heating mode, the expansion valve 4 is closed, the second solenoid valve core component 24 is opened, the third solenoid valve core component 25 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the second interface 202 is connected to the ninth interface 209.

[0055] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204; after flowing out, the medium in the first fluid component 210 enters the first heat exchanger 3 from the first interface 201; after flowing out, the medium in the first heat exchanger 3 enters the second fluid component 220 from the second interface 202; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; the cycle works in this way to achieve heating of the indoor air.

[0056] In dehumidification mode, the one-way valve core component 23 is closed, the third electromagnetic valve core component 25 is opened, the fourth interface 204 is not connected to the first interface 201, the fourth interface 204 is connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the expansion valve 4 is opened.

[0057] After flowing out, the medium in the second heat exchanger 1 enters the second fluid component 220 from the fourth interface 204; after flowing out, the medium in the second fluid component 220 enters the expansion valve 4 from the third interface 203; after flowing out, the medium in the expansion valve 4 enters the third heat exchanger 5; after flowing out, the medium in the third heat exchanger 5 enters the second fluid component 220 from the sixth interface 206; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; and the cycle works in this way to achieve dehumidification of the indoor air.

[0058] Please refer to Fig.12 As shown, in this embodiment, the first fluid component 210 includes a first throttle valve core component 29 , and the first throttle valve core component 29 is fixed to the first flow block 271 .

[0059] The first throttle valve core component 29 can control the on-off connection between the first interface 201 and the fourth interface 204, and the flow rate of the fluid from the fourth interface 204 to the first interface 201 through the first throttle valve core component 29. The first throttle valve core component 29 is the valve core of a large-diameter electronic expansion valve. Using a large-diameter electronic expansion valve instead of a solenoid valve and an electronic expansion valve relatively reduces the number of components and makes the structure simpler.

[0060] The working modes of the air conditioning system include cooling mode, heating mode, and dehumidification mode;

[0061] In cooling mode, the first throttling valve core component 29 is opened, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is connected to the third interface 203, the second interface 202 is not connected to the ninth interface 209, and the expansion valve 4 is opened.

[0062] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204, the medium in the first fluid component 210 flows out from the first interface 201 and enters the first heat exchanger 3, the medium in the first heat exchanger 3 flows out from the second interface 202 and enters the second fluid component 220, the medium in the second fluid component 220 flows out from the third interface 203 and enters the expansion valve 4, the medium in the expansion valve 4 flows out and enters the third heat exchanger 5, the medium in the third heat exchanger 5 flows out and enters the second fluid component 220 from the sixth interface 206, the medium in the second fluid component 220 flows out from the ninth interface 209 and enters the gas-liquid separation component 26, the medium in the gas-liquid separation component 26 flows out from the fifth interface 205 and enters the compressor 6, the medium in the compressor 6 flows out and enters the second heat exchanger 1, and the cycle works in this way to achieve cooling of the indoor air.

[0063] In heating mode, the first throttle valve core component 29 is opened, the fourth interface 204 is connected to the first interface 201 , the fourth interface 204 is not connected to the third interface 203 , the second interface 202 is not connected to the third interface 203 , and the second interface 202 is connected to the ninth interface 209 .

[0064] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204; after flowing out, the medium in the first fluid component 210 enters the first heat exchanger 3 from the first interface 201; after flowing out, the medium in the first heat exchanger 3 enters the second fluid component 220 from the second interface 202; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; the cycle works in this way to achieve heating of the indoor air.

[0065] In the dehumidification mode, the first throttling valve core component 29 is closed, the fourth interface 204 is not connected to the first interface 201, the fourth interface 204 is connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the expansion valve 4 is opened.

[0066] After flowing out, the medium in the second heat exchanger 1 enters the second fluid component 220 from the fourth interface 204; after flowing out, the medium in the second fluid component 220 enters the expansion valve 4 from the third interface 203; after flowing out, the medium in the expansion valve 4 enters the third heat exchanger 5; after flowing out, the medium in the third heat exchanger 5 enters the second fluid component 220 from the sixth interface 206; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; and the cycle works in this way to achieve dehumidification of the indoor air.

[0067] Please refer to Fig.13 As shown, in this embodiment, the second fluid component 220 includes a three-way valve core component 2201 and a third electromagnetic valve core component 25 , and the three-way valve core component 2201 , the third electromagnetic valve core component 25 , and the gas-liquid separation component 26 are fixed to the second circulation block 272 .

[0068] The three-way valve core component 2201 can control the connection and disconnection between the second interface 202 and the ninth interface 209. The three-way valve core component 2201 can control the connection and disconnection between the second interface 202 and the third interface 203. The third solenoid valve core component 25 can control the connection and disconnection between the fourth interface 204 and the third interface 203. The three-way valve core component replaces the second solenoid valve component and the one-way valve core component, which can relatively reduce the number of parts, save costs, and have a simpler structure.

[0069] The working modes of the air conditioning system include cooling mode, heating mode, and dehumidification mode;

[0070] In cooling mode, the three-way valve core component 2201 is opened, the third solenoid valve core component 25 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is connected to the third interface 203, the second interface 202 is not connected to the ninth interface 209, and the expansion valve 4 is opened.

[0071] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204, the medium in the first fluid component 210 flows out from the first interface 201 and enters the first heat exchanger 3, the medium in the first heat exchanger 3 flows out from the second interface 202 and enters the second fluid component 220, the medium in the second fluid component 220 flows out from the third interface 203 and enters the expansion valve 4, the medium in the expansion valve 4 flows out and enters the third heat exchanger 5, the medium in the third heat exchanger 5 flows out and enters the second fluid component 220 from the sixth interface 206, the medium in the second fluid component 220 flows out from the ninth interface 209 and enters the gas-liquid separation component 26, the medium in the gas-liquid separation component 26 flows out from the fifth interface 205 and enters the compressor 6, the medium in the compressor 6 flows out and enters the second heat exchanger 1, and the cycle works in this way to achieve cooling of the indoor air.

[0072] In heating mode, the three-way valve core component 2201 is opened, the third solenoid valve core component 25 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the second interface 202 is connected to the ninth interface 209.

[0073] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204; after flowing out, the medium in the first fluid component 210 enters the first heat exchanger 3 from the first interface 201; after flowing out, the medium in the first heat exchanger 3 enters the second fluid component 220 from the second interface 202; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; the cycle works in this way to achieve heating of the indoor air.

[0074] In dehumidification mode, the three-way valve core component 2201 is closed, the third solenoid valve core component 25 is opened, the fourth interface 204 is not connected to the first interface 201, the fourth interface 204 is connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the expansion valve 4 is opened.

[0075] After flowing out, the medium in the second heat exchanger 1 enters the second fluid component 220 from the fourth interface 204; after flowing out, the medium in the second fluid component 220 enters the expansion valve 4 from the third interface 203; after flowing out, the medium in the expansion valve 4 enters the third heat exchanger 5; after flowing out, the medium in the third heat exchanger 5 enters the second fluid component 220 from the sixth interface 206; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; and the cycle works in this way to achieve dehumidification of the indoor air.

[0076] Please refer to Fig.14 As shown, in this embodiment, the second fluid component 220 includes a three-way valve core component 2201 ′ and a second electromagnetic valve core component 24 . The three-way valve core component 2201 ′, the second electromagnetic valve core component 24 , and the gas-liquid separation component 26 are fixed to the second circulation block 272 .

[0077] The three-way valve core component 2201' can control the connection and disconnection between the second interface 202 and the third interface 203. The three-way valve core component 2201' can control the connection and disconnection between the fourth interface 204 and the third interface 203. The second solenoid valve core component 24 can control the connection and disconnection between the second interface 202 and the ninth interface 209. The three-way valve core component replaces the third solenoid valve core component and the one-way valve core component, which can relatively reduce the number of parts, reduce costs, and have a simpler structure.

[0078] The working modes of the air conditioning system include cooling mode, heating mode, and dehumidification mode;

[0079] In cooling mode, the three-way valve core component 2201' is opened, the second solenoid valve core component 24 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is connected to the third interface 203, the second interface 202 is not connected to the ninth interface 209, and the expansion valve 4 is opened.

[0080] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204, the medium in the first fluid component 210 flows out from the first interface 201 and enters the first heat exchanger 3, the medium in the first heat exchanger 3 flows out from the second interface 202 and enters the second fluid component 220, the medium in the second fluid component 220 flows out from the third interface 203 and enters the expansion valve 4, the medium in the expansion valve 4 flows out and enters the third heat exchanger 5, the medium in the third heat exchanger 5 flows out and enters the second fluid component 220 from the sixth interface 206, the medium in the second fluid component 220 flows out from the ninth interface 209 and enters the gas-liquid separation component 26, the medium in the gas-liquid separation component 26 flows out from the fifth interface 205 and enters the compressor 6, the medium in the compressor 6 flows out and enters the second heat exchanger 1, and the cycle works in this way to achieve cooling of the indoor air.

[0081] In heating mode, the three-way valve core component 2201 ′ is closed, the second solenoid valve core component 24 is opened, the fourth interface 204 is connected to the first interface 201 , the fourth interface 204 is not connected to the third interface 203 , the second interface 202 is not connected to the third interface 203 , and the second interface 202 is connected to the ninth interface 209 .

[0082] After flowing out, the medium in the second heat exchanger 1 enters the first fluid component 210 from the fourth interface 204; after flowing out, the medium in the first fluid component 210 enters the first heat exchanger 3 from the first interface 201; after flowing out, the medium in the first heat exchanger 3 enters the second fluid component 220 from the second interface 202; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; the cycle works in this way to achieve heating of the indoor air.

[0083] In dehumidification mode, the three-way valve core component 2201 ′ is open, the fourth interface 204 is disconnected from the first interface 201 , the fourth interface 204 is connected to the third interface 203 , the second interface 202 is disconnected from the third interface 203 , and the expansion valve 4 is open.

[0084] After flowing out, the medium in the second heat exchanger 1 enters the second fluid component 220 from the fourth interface 204; after flowing out, the medium in the second fluid component 220 enters the expansion valve 4 from the third interface 203; after flowing out, the medium in the expansion valve 4 enters the third heat exchanger 5; after flowing out, the medium in the third heat exchanger 5 enters the second fluid component 220 from the sixth interface 206; after flowing out, the medium in the second fluid component 220 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; and the cycle works in this way to achieve dehumidification of the indoor air.

[0085] Please refer to Fig.15 As shown, in this embodiment, the fluid device 2 includes a first solenoid valve core component 21, a throttle valve core component 22, a one-way valve core component 23, a second solenoid valve core component 24, a third solenoid valve core component 25, and a gas-liquid separation component 26. The first solenoid valve core component 21, the throttle valve core component 22, the one-way valve core component 23, the second solenoid valve core component 24, the third solenoid valve core component 25, and the gas-liquid separation component 26 are fixed to the circulation block 27. The circulation block is an integrated structure, which simplifies the structure of the circulation block.

[0086] The first solenoid valve core component 21 can control the connection between the first interface 201 and the fourth interface 204 , and the throttle valve core component 22 can control the connection between the first interface 201 and the fourth interface 204 , and the flow rate of the fluid from the fourth interface 204 to the first interface 201 through the throttle valve core component 22 .

[0087] The one-way valve core component 23 can control the connection between the second interface 202 and the third interface 203 , the second electromagnetic valve core component 24 can control the connection between the second interface 202 and the ninth interface 209 , and the third electromagnetic valve core component 25 can control the connection between the fourth interface 204 and the third interface 203 .

[0088] The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode.

[0089] In the cooling mode, the first solenoid valve core component 21 is opened, the throttling valve core component 22 is closed, the one-way valve core component 23 is opened, the second solenoid valve core component 24 is closed, the third solenoid valve core component 25 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is connected to the third interface 203, the second interface 202 is not connected to the ninth interface 209, and the expansion valve 4 is opened.

[0090] After flowing out, the medium in the second heat exchanger 1 enters the fluid device 2 from the fourth interface 204; after flowing out, the medium in the fluid device 2 enters the first heat exchanger 3 from the first interface 201; after flowing out, the medium in the first heat exchanger 3 enters the fluid device 2 from the second interface 202; after flowing out, the medium in the fluid device 2 enters the expansion valve 4 from the third interface 203; after flowing out, the medium in the expansion valve 4 enters the third heat exchanger 5; after flowing out, the medium in the third heat exchanger 5 enters the fluid device 2 from the sixth interface 206; after flowing out, the medium in the fluid device 2 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; and the cycle works in this way to achieve cooling of the indoor air.

[0091] In heating mode, the first solenoid valve core component 21 is closed, the throttling valve core component 22 is opened, the expansion valve 4 is closed, the second solenoid valve core component 24 is opened, the third solenoid valve core component 25 is closed, the fourth interface 204 is connected to the first interface 201, the fourth interface 204 is not connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the second interface 202 is connected to the ninth interface 209.

[0092] The medium in the second heat exchanger 1 flows out and enters the fluid device 2 from the fourth interface 204, the medium in the fluid device 2 flows out from the first interface 201 and enters the first heat exchanger 3, the medium in the first heat exchanger 3 flows out and enters the fluid device 2 from the second interface 202, the medium in the fluid device 2 flows out from the ninth interface 209 and enters the gas-liquid separation component 26, the medium in the gas-liquid separation component 26 flows out from the fifth interface 205 and enters the compressor 6, the medium in the compressor 6 flows out and enters the second heat exchanger 1, and the cycle works in this way to achieve heating of the indoor air.

[0093] In dehumidification mode, the first solenoid valve core component 21 is closed, the throttling valve core component 22 is closed, the one-way valve core component 23 is closed, the third solenoid valve core component 25 is opened, the fourth interface 204 is not connected to the first interface 201, the fourth interface 204 is connected to the third interface 203, the second interface 202 is not connected to the third interface 203, and the expansion valve 4 is opened.

[0094] After flowing out, the medium in the second heat exchanger 1 enters the fluid device 2 from the fourth interface 204; after flowing out, the medium in the fluid device 2 enters the expansion valve 4 from the third interface 203; after flowing out, the medium in the expansion valve 4 enters the third heat exchanger 5; after flowing out, the medium in the third heat exchanger 5 enters the fluid device 2 from the sixth interface 206; after flowing out, the medium in the fluid device 2 enters the gas-liquid separation component 26 from the ninth interface 209; after flowing out, the medium in the gas-liquid separation component 26 enters the compressor 6 from the fifth interface 205; after flowing out, the medium in the compressor 6 enters the second heat exchanger 1; the cycle works in this way to achieve dehumidification of the indoor air.

[0095] Finally, it should be noted that the above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Therefore, although this specification has described the present invention in detail with reference to the above embodiments, a person of ordinary skill in the art should understand that the inventor of this patent can still make various changes and improvements to the present invention, and all technical solutions and improvements thereof that do not depart from the scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. An air conditioning system, comprising a first heat exchanger, a compressor, a second heat exchanger, a third heat exchanger, and an expansion valve, characterized in that: Also included is a fluid device; The fluid device includes a circulation block, the circulation block has a first interface, a second interface, a third interface, a fourth interface, a fifth interface, and a sixth interface, the fluid device can control the connection and disconnection of the fourth interface and the first interface, the size of the fluid flow from the fourth interface to the first interface, the fluid device can control the connection and disconnection of the fourth interface and the third interface, the fluid device can control the connection and disconnection of the second interface and the third interface, the fluid device also includes a gas-liquid separation component, the inlet of the gas-liquid separation component is connected to the sixth interface, the outlet of the gas-liquid separation component is the fifth interface, and the fluid device can control the connection and disconnection of the second interface and the inlet of the gas-liquid separation component; When the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface; when the second interface is connected to the inlet of the gas-liquid separation component, the second interface is not connected to the third interface, and the second interface is not connected to the fourth interface; The inlet of the first heat exchanger is connected to the first interface, the outlet of the first heat exchanger is connected to the second interface, the inlet of the expansion valve is connected to the third interface, the outlet of the expansion valve is connected to the inlet of the third heat exchanger, the outlet of the third heat exchanger is connected to the sixth interface, the inlet of the compressor is connected to the fifth interface, the outlet of the compressor is connected to the inlet of the second heat exchanger, and the outlet of the second heat exchanger is connected to the fourth interface.

2. The air conditioning system according to claim 1, characterized in that: The fluid device comprises a first fluid component and a second fluid component, the first fluid component comprises a first flow block, the second fluid component comprises a second flow block, and the flow block comprises the first flow block and the second flow block; The first circulation block has the first interface, the fourth interface, and the seventh interface, the fourth interface is in communication with the seventh interface, the second circulation block has the second interface, the third interface, the fifth interface, the sixth interface, and the eighth interface, the seventh interface is in communication with the eighth interface; The second circulation block further comprises a ninth interface, and the ninth interface is communicated with the inlet of the gas-liquid separation component; The first fluid component can control the connection and disconnection of the fourth interface and the first interface, and the flow rate of the first fluid component of the fluid from the fourth interface to the first interface. The second fluid component can control the connection and disconnection of the fourth interface and the third interface. The second fluid component can control the connection and disconnection of the second interface and the third interface. The second fluid component can control the connection and disconnection of the second interface and the ninth interface.

3. The air conditioning system according to claim 2, characterized in that: The first fluid component comprises a first electromagnetic valve core component and a throttle valve core component, and the first electromagnetic valve core component and the throttle valve core component are fixed to the first flow block; The first solenoid valve core component can control the connection and disconnection of the first interface and the fourth interface, and the throttle valve core component can control the connection and disconnection of the first interface and the fourth interface, and the flow rate of the fluid from the fourth interface to the first interface through the throttle valve core component.

4. The air conditioning system according to claim 3, characterized in that: The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode; In cooling mode, the first solenoid valve core component is opened, the throttling valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is connected to the third interface, the second interface is not connected to the ninth interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the third interface and enters the expansion valve, the medium in the expansion valve flows out and enters the third heat exchanger, the medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In heating mode, the first solenoid valve core component is closed, the throttle valve core component is opened, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is not connected to the third interface, and the second interface is connected to the ninth interface; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In the dehumidification mode, the first electromagnetic valve core component is closed, the throttling valve core component is closed, the fourth interface is not connected to the first interface, the fourth interface is connected to the third interface, the second interface is not connected to the third interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the second fluid component from the fourth interface. The medium in the second fluid component flows out from the third interface and enters the expansion valve. The medium in the expansion valve flows out and enters the third heat exchanger. The medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface. The medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component. The medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor. The medium in the compressor flows out and enters the second heat exchanger.

5. The air conditioning system according to claim 2, characterized in that: The first fluid component includes a first throttle valve core component, and the first throttle valve core component is fixed to the first flow block; The first throttling valve core component can control the on-off connection between the first interface and the fourth interface, and the flow rate of the fluid from the fourth interface to the first interface through the first throttling valve core component. The first throttling valve core component is a valve core of a large-diameter electronic expansion valve.

6. The air conditioning system according to claim 5, characterized in that: The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode; In cooling mode, the first throttle valve core component is opened, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is connected to the third interface, the second interface is not connected to the ninth interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the third interface and enters the expansion valve, the medium in the expansion valve flows out and enters the third heat exchanger, the medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In heating mode, the first throttle valve core component is opened, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is not connected to the third interface, and the second interface is connected to the ninth interface; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In the dehumidification mode, the first throttling valve core component is closed, the fourth interface is not connected to the first interface, the fourth interface is connected to the third interface, the second interface is not connected to the third interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the second fluid component from the fourth interface. The medium in the second fluid component flows out from the third interface and enters the expansion valve. The medium in the expansion valve flows out and enters the third heat exchanger. The medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface. The medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component. The medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor. The medium in the compressor flows out and enters the second heat exchanger.

7. The air conditioning system according to claim 2, characterized in that: The second fluid component comprises a three-way valve core component and a third electromagnetic valve core component, and the three-way valve core component, the third electromagnetic valve core component, the gas-liquid separation component and the second flow block are fixed; The three-way valve core component can control the connection and disconnection between the second interface and the ninth interface, the three-way valve core component can control the connection and disconnection between the second interface and the third interface, and the third solenoid valve core component can control the connection and disconnection between the fourth interface and the third interface.

8. The air conditioning system according to claim 7, characterized in that: The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode; In cooling mode, the three-way valve core component is opened, the third electromagnetic valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is connected to the third interface, the second interface is not connected to the ninth interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the third interface and enters the expansion valve, the medium in the expansion valve flows out and enters the third heat exchanger, the medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In heating mode, the three-way valve core component is opened, the third electromagnetic valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is not connected to the third interface, and the second interface is connected to the ninth interface; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In the dehumidification mode, the three-way valve core component is closed, the third electromagnetic valve core component is opened, the fourth interface is not connected to the first interface, the fourth interface is connected to the third interface, the second interface is not connected to the third interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the second fluid component from the fourth interface. The medium in the second fluid component flows out from the third interface and enters the expansion valve. The medium in the expansion valve flows out and enters the third heat exchanger. The medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface. The medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component. The medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor. The medium in the compressor flows out and enters the second heat exchanger.

9. The air conditioning system according to claim 2, characterized in that: The second fluid component comprises a three-way valve core component and a second electromagnetic valve core component, and the three-way valve core component, the second electromagnetic valve core component, the gas-liquid separation component and the second flow block are fixed; The three-way valve core component can control the connection and disconnection between the second interface and the third interface, the three-way valve core component can control the connection and disconnection between the fourth interface and the third interface, and the second solenoid valve core component can control the connection and disconnection between the second interface and the ninth interface.

10. The air conditioning system according to claim 9, characterized in that: The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode; In cooling mode, the three-way valve core component is opened, the second electromagnetic valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is connected to the third interface, the second interface is not connected to the ninth interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the third interface and enters the expansion valve, the medium in the expansion valve flows out and enters the third heat exchanger, the medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In heating mode, the three-way valve core component is closed, the second solenoid valve core component is opened, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is not connected to the third interface, and the second interface is connected to the ninth interface; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In the dehumidification mode, the three-way valve core component is opened, the fourth interface is not connected to the first interface, the fourth interface is connected to the third interface, the second interface is not connected to the third interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the second fluid component from the fourth interface. The medium in the second fluid component flows out from the third interface and enters the expansion valve. The medium in the expansion valve flows out and enters the third heat exchanger. The medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface. The medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component. The medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor. The medium in the compressor flows out and enters the second heat exchanger.

11. The air conditioning system according to claim 2, characterized in that: The second fluid component comprises a one-way valve core component, a second electromagnetic valve core component, and a third electromagnetic valve core component, and the one-way valve core component, the second electromagnetic valve core component, the third electromagnetic valve core component, and the gas-liquid separation component are fixed to the second flow block; The one-way valve core component can control the connection and disconnection between the second interface and the third interface, the second electromagnetic valve core component can control the connection and disconnection between the second interface and the ninth interface, and the third electromagnetic valve core component can control the connection and disconnection between the fourth interface and the third interface.

12. The air conditioning system according to claim 11, characterized in that: The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode; In cooling mode, the one-way valve core component is opened, the second electromagnetic valve core component is closed, the third electromagnetic valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is connected to the third interface, the second interface is not connected to the ninth interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the third interface and enters the expansion valve, the medium in the expansion valve flows out and enters the third heat exchanger, the medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In heating mode, the expansion valve is closed, the second electromagnetic valve core component is opened, the third electromagnetic valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is not connected to the third interface, and the second interface is connected to the ninth interface; The medium in the second heat exchanger flows out and enters the first fluid component from the fourth interface, the medium in the first fluid component flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the second fluid component from the second interface, the medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In the dehumidification mode, the one-way valve core component is closed, the third electromagnetic valve core component is opened, the fourth interface is not connected to the first interface, the fourth interface is connected to the third interface, the second interface is not connected to the third interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the second fluid component from the fourth interface. The medium in the second fluid component flows out from the third interface and enters the expansion valve. The medium in the expansion valve flows out and enters the third heat exchanger. The medium in the third heat exchanger flows out and enters the second fluid component from the sixth interface. The medium in the second fluid component flows out from the ninth interface and enters the gas-liquid separation component. The medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor. The medium in the compressor flows out and enters the second heat exchanger.

13. The air conditioning system according to claim 2, characterized in that: The fluid device comprises a first electromagnetic valve core component, a throttle valve core component, a one-way valve core component, a second electromagnetic valve core component, a third electromagnetic valve core component, and a gas-liquid separation component, wherein the first electromagnetic valve core component, the throttle valve core component, the one-way valve core component, the second electromagnetic valve core component, the third electromagnetic valve core component, and the gas-liquid separation component are fixed to the flow block; The first solenoid valve core component can control the connection and disconnection between the first interface and the fourth interface, and the throttle valve core component can control the connection and disconnection between the first interface and the fourth interface, and the flow rate of the fluid from the fourth interface to the first interface through the throttle valve core component; The one-way valve core component can control the connection and disconnection between the second interface and the third interface, the second electromagnetic valve core component can control the connection and disconnection between the second interface and the ninth interface, and the third electromagnetic valve core component can control the connection and disconnection between the fourth interface and the third interface.

14. The air conditioning system according to claim 13, characterized in that: The working modes of the air conditioning system include cooling mode, heating mode and dehumidification mode; In cooling mode, the first electromagnetic valve core component is opened, the throttling valve core component is closed, the one-way valve core component is opened, the second electromagnetic valve core component is closed, the third electromagnetic valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is connected to the third interface, the second interface is not connected to the ninth interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the fluid device from the fourth interface, the medium in the fluid device flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the fluid device from the second interface, the medium in the fluid device flows out from the third interface and enters the expansion valve, the medium in the expansion valve flows out and enters the third heat exchanger, the medium in the third heat exchanger flows out and enters the fluid device from the sixth interface, the medium in the fluid device flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In heating mode, the first electromagnetic valve core component is closed, the throttling valve core component is opened, the expansion valve is closed, the second electromagnetic valve core component is opened, the third electromagnetic valve core component is closed, the fourth interface is connected to the first interface, the fourth interface is not connected to the third interface, the second interface is not connected to the third interface, and the second interface is connected to the ninth interface; The medium in the second heat exchanger flows out and enters the fluid device from the fourth interface, the medium in the fluid device flows out from the first interface and enters the first heat exchanger, the medium in the first heat exchanger flows out and enters the fluid device from the second interface, the medium in the fluid device flows out from the ninth interface and enters the gas-liquid separation component, the medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor, and the medium in the compressor flows out and enters the second heat exchanger; In the dehumidification mode, the first electromagnetic valve core component is closed, the throttling valve core component is closed, the one-way valve core component is closed, the third electromagnetic valve core component is opened, the fourth interface is not connected to the first interface, the fourth interface is connected to the third interface, the second interface is not connected to the third interface, and the expansion valve is opened; The medium in the second heat exchanger flows out and enters the fluid device from the fourth interface. The medium in the fluid device flows out from the third interface and enters the expansion valve. The medium in the expansion valve flows out and enters the third heat exchanger. The medium in the third heat exchanger flows out and enters the fluid device from the sixth interface. The medium in the fluid device flows out from the ninth interface and enters the gas-liquid separation component. The medium in the gas-liquid separation component flows out from the fifth interface and enters the compressor. The medium in the compressor flows out and enters the second heat exchanger.

15. The air conditioning system according to claim 2, characterized in that: The first circulation block includes a first valve cavity, a first solenoid valve core component is at least partially located in the first valve cavity, the first solenoid valve core component is fixedly arranged with the first circulation block, the first circulation block also includes a first interface channel and a second interface channel, the first interface channel is connected to the first valve cavity, and the first solenoid valve core component can control the connection and disconnection of the first interface channel and the second interface channel; the first circulation block also includes a second valve cavity, a throttle valve core component is at least partially located in the second valve cavity, and the throttle valve core component is fixedly arranged with the first circulation block; the first circulation block also includes a first flow channel, the first flow channel connects the first interface channel and the second valve cavity, the second valve cavity is connected to the second interface channel, and the throttle valve core component can control the connection and disconnection of the first flow channel and the second interface channel, as well as the fluid flow rate.

16. The air conditioning system according to claim 15, characterized in that: The first circulation block further comprises a first valve port, the first valve port is located in the first valve cavity, the first valve port can connect the first valve cavity with the second interface channel, the first valve cavity connects the first interface channel with the first flow channel, and the first flow channel connects the first valve cavity with the second valve cavity; The first circulation block further comprises a second valve port, the second valve port is located at the throttling valve core component, the first circulation block valve seat further comprises a second flow channel, the second flow channel is connected to the second valve cavity, and the second valve port is located between the connection between the first flow channel and the second valve cavity and the connection between the second flow channel and the second valve cavity; The second flow channel communicates with the second valve cavity and the second interface channel, or the second flow channel is a part of the second interface channel.

17. The air conditioning system according to claim 13, characterized in that: The first solenoid valve core component, the throttling valve core component, the second solenoid valve core component, the third solenoid valve core component and the circulation block are fixed by threaded connection, the gas-liquid separation component and the circulation block are fixed by screws, and the one-way valve core component and the circulation block are fixed by an elastic retaining ring.

Images