Air conditioning system and air conditioner

Abstract

This utility model discloses an air conditioning system and an air conditioner. The air conditioning system includes: a compressor; a first heat exchanger and a second heat exchanger, with a throttling element between the first and second heat exchangers. The second heat exchanger includes multiple heat exchange modules with flow-diverting interfaces, and these multiple heat exchange modules are connected to a first main interface; an integrated valve, which has an exhaust valve port, an intake valve port, a first valve port, a second valve port, a third valve port, a fourth valve port, and multiple connecting valve ports. The exhaust valve port and the intake valve port are respectively connected to the compressor. The first valve port is connected to the first heat exchanger, the third valve port is connected to the throttling element, the fourth valve port is connected to the first main interface, the multiple flow-diverting interfaces are correspondingly connected to the multiple connecting valve ports, and the second valve port is connected to one of the flow-diverting interfaces and a corresponding connecting valve port. The integrated valve allows at least some heat exchange modules to be connected in series; and / or, at least some heat exchange modules to be connected in parallel. The air conditioning system proposed in this utility model simplifies the structure of air conditioning systems.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning, and in particular to an air conditioning system and an air conditioner. Background Technology

[0002] An air conditioning system includes a heat exchanger, within which a refrigerant flow path is installed. As the refrigerant flows through this path, it exchanges heat with the air via the heat exchanger. Given a fixed area and volume of the heat exchanger, there are different optimal flow path designs for the refrigerant within the heat exchanger in cooling and heating modes.

[0003] In related technologies, in order to improve the performance in cooling and heating modes, multiple valves need to be added to switch the flow path of the refrigerant in the heat exchanger, resulting in a complex overall structure and high cost of the air conditioning system. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an air conditioning system in which an integrated valve can not only switch between cooling and heating modes, but also switch the refrigerant flow path, effectively simplifying the structure of the air conditioning system, reducing its cost, and facilitating its miniaturization.

[0005] This utility model also proposes an air conditioner that includes the above-mentioned air conditioning system.

[0006] An air conditioning system according to an embodiment of the present invention includes: a compressor having an exhaust port and an intake port; a first heat exchanger and a second heat exchanger, wherein a throttling element is provided between a first end of the first heat exchanger and the second heat exchanger, the second heat exchanger including a plurality of heat exchange modules, each heat exchange module having a diversion interface, the second heat exchanger including a first main interface, the plurality of heat exchange modules being connected to the first main interface; and an integrated valve having an exhaust valve port, an intake valve port, a first valve port, a second valve port, a third valve port, a fourth valve port, and a plurality of connecting valve ports, the exhaust valve port being connected to the exhaust port, the intake valve port being connected to the intake port, the first valve port being connected to the second end of the first heat exchanger, the third valve port being connected to the second end of the first heat exchanger, and the fourth valve port being connected to the second end of the first heat exchanger. The throttling element is connected, the fourth valve port is connected to the first main interface, the plurality of the branch interfaces are connected to the plurality of the connecting valve ports one by one, and the second valve port is connected to one of the branch interfaces and the corresponding connecting valve port through a connecting pipe; the integrated valve is configured to be switchable such that the exhaust valve port is connected to one of the first valve port and the second valve port, and the intake valve port is connected to the other of the first valve port and the second valve port; the integrated valve is configured to be switchable such that the third valve port is connected to the connecting valve port so that at least some heat exchange modules are connected in series; and / or, the integrated valve is configured to be switchable such that the plurality of connecting valve ports are connected, and the third valve port and the fourth valve port are connected so that at least some heat exchange modules are connected in parallel.

[0007] According to the air conditioning system of this utility model embodiment, the integrated valve enables the air conditioning system to switch between cooling and heating modes, simplifying the structure of the air conditioning system and increasing its practicality. Furthermore, the integrated valve can also switch the flow path of the refrigerant within the second heat exchanger, allowing the refrigerant to switch between different flow paths in cooling and heating modes, which is beneficial for improving the overall performance of the air conditioning system. In this utility model embodiment, the integrated valve not only enables the switching between cooling and heating modes but also the switching of the refrigerant flow path, effectively simplifying the structure of the air conditioning system, reducing its cost, and facilitating its miniaturization.

[0008] In some embodiments, the integrated valve is configured to actuate when the exhaust valve port is in communication with the first valve port, thereby connecting multiple heat exchange modules in series or in parallel.

[0009] In some embodiments, the integrated valve is configured to actuate when the exhaust valve port is connected to the second valve port, thereby connecting the plurality of heat exchange modules in series or in parallel.

[0010] In some embodiments, the integrated valve includes: a valve housing, wherein an exhaust valve port, an intake valve port, a first valve port, a second valve port, a third valve port, a fourth valve port, and a plurality of connecting valve ports are disposed in the valve housing; and a valve core, wherein the valve core is rotatably disposed within the valve housing, the valve core having a first communication channel and a second communication channel, the second valve port being switched to communicate with the exhaust valve port and the intake valve port through the first communication channel; and the first valve port being switched to communicate with the exhaust valve port and the intake valve port through the second communication channel.

[0011] In some embodiments, the first connecting channel and the second connecting channel are arranged sequentially in a direction perpendicular to the rotation axis of the valve core, with the first connecting channel located on the side of the second connecting channel closer to the valve housing.

[0012] In some embodiments, in the rotation direction of the valve core, the fourth valve port, the third valve port, and a plurality of connecting valve ports are arranged sequentially, the valve core is provided with a plurality of third connecting channels spaced apart along the rotation direction, the plurality of connecting valve ports are adapted to communicate through one of the third connecting channels, the third valve port and the fourth valve port are adapted to communicate through one of the third connecting channels, and the third valve port is adapted to communicate with the connecting valve port through one of the third connecting channels.

[0013] In some embodiments, the integrated valve further includes a drive element for driving the valve core to rotate.

[0014] In some embodiments, the drive includes a stator and a rotor, the stator being fixedly disposed relative to the valve housing, the rotor being rotatable relative to the valve housing, the rotor being connected to the valve core, and the stator being coupled to the rotor to drive the rotor to rotate.

[0015] In some embodiments, the rotor is disposed inside the valve housing, and the stator is disposed outside the valve housing.

[0016] In some embodiments, each heat exchange module includes a plurality of heat exchange branches connected in parallel.

[0017] In some embodiments, the air conditioning system further includes an electronic control module and a heat dissipation pipe for cooling the electronic control module, the heat dissipation pipe being located between the first heat exchanger and the second heat exchanger.

[0018] In some embodiments, the air conditioning system further includes a switching component connected to the heat pipe and the throttling element, respectively, and the switching component is configured to operate during mode switching such that the heat pipe is located upstream of the throttling element.

[0019] In some embodiments, the switching component includes a plurality of unidirectional conduction structures, wherein the third valve port and the first end of the first heat exchanger are respectively connected to the end of the electronic control module away from the throttling element through the unidirectional conduction structures, and the end of the throttling element away from the electronic control module is respectively connected to the third valve port and the first end of the first heat exchanger through two unidirectional conduction structures.

[0020] An air conditioner according to an embodiment of the present invention includes: the air conditioning system described in the above technical solution.

[0021] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0022] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0023] Figure 1 This is a schematic diagram of an air conditioning system according to some embodiments of the present invention. Figure 1 ;

[0024] Figure 2 This is a schematic diagram of an air conditioning system according to some embodiments of the present invention. Figure 2 ;

[0025] Figure 3 This is a schematic diagram of an air conditioning system according to some embodiments of the present invention. Figure 3 ;

[0026] Figure 4 This is a schematic diagram of an air conditioning system according to some embodiments of the present invention. Figure 4 ;

[0027] Figure 5 This is a schematic diagram of an air conditioning system according to other embodiments of the present invention. Figure 1 ;

[0028] Figure 6 This is a schematic diagram of an air conditioning system according to other embodiments of the present invention. Figure 2 ;

[0029] Figure 7 This is a schematic diagram of an air conditioning system according to other embodiments of the present invention. Figure 3 ;

[0030] Figure 8 This is a schematic diagram of an air conditioning system according to other embodiments of the present invention. Figure 4 ;

[0031] Figure 9This is a schematic diagram showing the fit between the valve core and the valve body;

[0032] Figure 10 This is an exploded view of an integrated valve.

[0033] Reference numerals: 100, Air conditioning system; 1, Compressor; 11, Exhaust port; 12, Intake port; 2, First heat exchanger; 3, Second heat exchanger; 31, Heat exchange module; 32, First main interface; 31A, First heat exchange module; 31B, Second heat exchange module; 4, Integrated valve; 41, Valve housing; 411, Exhaust valve port; 412, Intake valve port; 413, First valve port; 414, Second valve port; 415, Third valve port; 416, Fourth valve port; 417, Connecting valve port; 42, Valve core; 421, First connecting channel; 422, Second connecting channel; 423, Third connecting channel; 43, Drive component; 431, Stator; 432, Rotor; 433, Rotating shaft; 5, Throttling element; 6, Connecting pipe; 7, Heat dissipation pipe; 8, Switching assembly; 81, One-way conduction structure. Detailed Implementation

[0034] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0035] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] The following is for reference. Figures 1-10 This invention describes an air conditioning system 100 and an air conditioner according to an embodiment of the present invention.

[0038] Reference Figure 1 An air conditioning system 100 according to an embodiment of the present invention includes: a compressor 1, a first heat exchanger 2, a second heat exchanger 3, and an integrated valve 4. The compressor 1 has an exhaust port 11 and an intake port 12. A throttling element 5 is provided between the first end of the first heat exchanger 2 and the second heat exchanger 3. The second heat exchanger 3 includes multiple heat exchange modules 31, each heat exchange module 31 having a branch interface. The second heat exchanger 3 includes a first main interface 32, and the multiple heat exchange modules 31 are connected to the first main interface 32.

[0039] The integrated valve 4 is provided with an exhaust valve port 411, an intake valve port 412, a first valve port 413, a second valve port 414, a third valve port 415, a fourth valve port 416 and multiple connecting valve ports 417. The exhaust valve port 411 is connected to the exhaust port 11, the intake valve port 412 is connected to the intake port 12, the first valve port 413 is connected to the second end of the first heat exchanger 2, the third valve port 415 is connected to the throttling element 5, the fourth valve port 416 is connected to the first main interface 32, and the multiple branch interfaces are connected to the multiple connecting valve ports 417 one by one. The second valve port 414 is connected to one of the branch interfaces and the corresponding connecting valve port 417 through the connecting pipe 6.

[0040] In this embodiment of the present invention, the integrated valve 4 is configured to be switchable such that the exhaust valve port 411 is connected to one of the first valve port 413 and the second valve port 414, and the intake valve port 412 is connected to the other of the first valve port 413 and the second valve port 414.

[0041] Reference Figure 3 and Figure 4When the integrated valve 4 switches to connect the exhaust valve port 411 with the first valve port 413 and the suction valve port 412 with the second valve port 414, the exhaust port 11 of the compressor 1 is connected to the second end of the first heat exchanger 2 through the exhaust valve port 411 and the first valve port 413, and the suction port 12 of the compressor 1 is connected to the second heat exchanger 3 through the suction valve port 412 and the second valve port 414. The refrigerant discharged by the compressor 1 at a higher temperature can enter the first heat exchanger 2 through the exhaust valve port 411 and the first valve port 413, and the first heat exchanger 2 provides heating; the refrigerant discharged by the first heat exchanger 2 can flow to the throttling element 5, and the refrigerant at a lower temperature after being throttled by the throttling element 5 flows to the second heat exchanger 3, and the second heat exchanger 3 provides cooling. The refrigerant discharged by the second heat exchanger 3 enters the compressor 1 through the second valve port 414 and the suction valve port 412.

[0042] In other words, when the integrated valve 4 switches to connect the exhaust valve port 411 with the first valve port 413 and the intake valve port 412 with the second valve port 414, the first heat exchanger 2 heats and the second heat exchanger 3 cools.

[0043] Reference Figure 1 and Figure 2 When the integrated valve 4 is switched to connect the exhaust valve port 411 and the second valve port 414, and the suction valve port 412 and the first valve port 413, the exhaust port 11 of the compressor 1 is connected to the second heat exchanger 3 through the exhaust valve port 411 and the second valve port 414, and the suction port 12 of the compressor 1 is connected to the second end of the first heat exchanger 2 through the suction valve port 412 and the first valve port 413. The refrigerant discharged by the compressor 1 at a higher temperature can enter the second heat exchanger 3 through the exhaust valve port 411 and the second valve port 414, and the second heat exchanger 3 provides heating; the refrigerant discharged by the second heat exchanger 3 can flow to the throttling element 5, and the refrigerant at a lower temperature after being throttled by the throttling element 5 flows to the first heat exchanger 2, and the first heat exchanger 2 provides cooling. The refrigerant discharged by the first heat exchanger 2 enters the compressor 1 through the first valve port 413 and the suction valve port 412.

[0044] In other words, when the integrated valve 4 is switched to connect the exhaust valve port 411 with the second valve port 414 and the intake valve port 412 with the first valve port 413, the first heat exchanger 2 cools and the second heat exchanger 3 heats.

[0045] It should be noted that one of the first heat exchanger 2 and the second heat exchanger 3 is an indoor heat exchanger and the other is an outdoor heat exchanger; this utility model does not impose any limitations on this.

[0046] For example, the first heat exchanger 2 is an indoor heat exchanger and the second heat exchanger 3 is an outdoor heat exchanger. When the integrated valve 4 is switched so that the exhaust valve port 411 is connected to the first valve port 413 and the intake valve port 412 is connected to the second valve port 414, the first heat exchanger 2 heats up and the second heat exchanger 3 cools down, and the air conditioning system 100 is in heating mode. When the integrated valve 4 is switched so that the exhaust valve port 411 is connected to the second valve port 414 and the intake valve port 412 is connected to the first valve port 413, the first heat exchanger 2 cools down and the second heat exchanger 3 heats up, and the air conditioning system 100 is in cooling mode.

[0047] For example, the first heat exchanger 2 is an outdoor heat exchanger and the second heat exchanger 3 is an indoor heat exchanger. When the integrated valve 4 is switched so that the exhaust valve port 411 is connected to the first valve port 413 and the intake valve port 412 is connected to the second valve port 414, the first heat exchanger 2 heats up and the second heat exchanger 3 cools down, and the air conditioning system 100 is in cooling mode. When the integrated valve 4 is switched so that the exhaust valve port 411 is connected to the second valve port 414 and the intake valve port 412 is connected to the first valve port 413, the first heat exchanger 2 cools down and the second heat exchanger 3 heats up, and the air conditioning system 100 is in heating mode.

[0048] In this embodiment of the present invention, the integrated valve 4 is configured to be switchable so that the exhaust valve port 411 is connected to one of the first valve port 413 and the second valve port 414, and the intake valve port 412 is connected to the other of the first valve port 413 and the second valve port 414, thereby enabling the air conditioning system 100 to switch between the cooling module and the heating mode, simplifying the structure of the air conditioning system 100 and increasing the practicality of the air conditioning system 100.

[0049] Reference Figure 1 and Figure 2 In this embodiment of the present invention, the integrated valve 4 is also configured to be switchable such that the third valve port 415 is connected to the connecting valve port 417 so that at least some of the heat exchange modules 31 are connected in series; and / or, the integrated valve 4 is configured to be switchable such that multiple connecting valve ports 417 are connected, and the third valve port 415 and the fourth valve port 416 are connected so that at least some of the heat exchange modules 31 are connected in parallel.

[0050] Because the second valve port 414 is connected to one of the branch interfaces and the corresponding connecting valve port 417 through the connecting pipe 6, that is, the second valve port 414 is connected to the corresponding heat exchange module 31 through the branch interface, and the heat exchange module 31 is the first heat exchange module 31A. (Refer to...) Figure 1 When the integrated valve 4 is switched to the third valve port 415 and connected to one of the connecting valve ports 417, the third valve port 415 is connected to the heat exchange module 31 corresponding to the connecting valve port 417, and the heat exchange module 31 is the second heat exchange module 31B.

[0051] Because the third valve port 415 is connected to the first end of the first heat exchanger 2 through the throttling element 5, the refrigerant in the first heat exchange module 31A can only flow to the first heat exchanger 2 through the second heat exchange module 31B; or, the refrigerant in the first heat exchanger 2 can only flow to the first heat exchange module 31A through the second heat exchange module 31B. That is to say, at this time, among the multiple heat exchange modules 31 in the second heat exchanger 3, at least the first heat exchange module 31A and the second heat exchange module 31B are connected in series.

[0052] In embodiments where there are two heat exchange modules 31, when the integrated valve 4 is switched to the third valve port 415 and connected to one of the connecting valve ports 417, the first heat exchange module 31A and the second heat exchange module 31B are connected in series. In embodiments where there are more than two heat exchange modules 31, when the integrated valve 4 is switched to the third valve port 415 and connected to one of the connecting valve ports 417, the first heat exchange module 31A and the second heat exchange module 31B are connected in series. Other heat exchange modules 31 besides the first heat exchange module 31A and the second heat exchange module 31B can be connected in parallel with the first heat exchange module 31A, or in parallel with the second heat exchange module 31B, or connected in series between the first heat exchange module 31A and the second heat exchange module 31B. This invention does not limit this.

[0053] Reference Figure 2 When the integrated valve 4 switches to connect multiple connecting valve ports 417, and connects the third valve port 415 and the fourth valve port 416, because the second valve port 414 is connected to one of the branch interfaces and the corresponding connecting valve port 417 through the connecting pipe 6, when multiple connecting valve ports 417 are connected, that is, multiple heat exchange modules 31 are all connected to the second valve port 414. In addition, multiple heat exchange modules 31 are also connected to the first main interface 32. Because the first main interface 32 is connected to the fourth valve port 416, and the third valve port 415 is connected to the first end of the first heat exchanger 2 through the throttling element 5, at this time, the third valve port 415 and the fourth valve port 416 are connected. At this time, the refrigerant in the second valve port 414 can be diverted to multiple connecting valve ports 417 after passing through the connecting pipe 6, that is, diverted to multiple heat exchange modules 31, and then merged at the first main interface 32. The merged refrigerant then flows sequentially through the fourth valve port 416, the third valve port 415, and the throttling element 5 to the first heat exchanger 2; or, the refrigerant in the first heat exchanger 2 can be diverted to multiple heat exchange modules 31 after passing sequentially through the throttling element 5, the third valve port 415, the fourth valve port 416, and the first main interface 32, and then flow to multiple connecting valve ports 417 respectively. After merging through the connecting pipe 6, it flows to the second valve port 414. In other words, at this time, the multiple heat exchange modules 31 in the second heat exchanger 3 are connected in parallel.

[0054] In this embodiment of the invention, the integrated valve 4 is configured to be switchable so that the third valve port 415 is connected to one of the connecting valve ports 417 so that at least some of the heat exchange modules 31 are connected in series; or the integrated valve 4 is configured to be switchable so that multiple connecting valve ports 417 are connected, and the third valve port 415 and the fourth valve port 416 are connected so that at least some of the heat exchange modules 31 are connected in parallel. That is, the integrated valve 4 is configured to switch the flow path of the refrigerant in the second heat exchanger 3, so that the refrigerant can switch different flow paths in cooling mode and heating mode, which is beneficial to improving the overall performance of the air conditioning system 100.

[0055] It should be noted that, in the embodiment where the second heat exchanger 3 is an outdoor heat exchanger, the integrated valve 4 can switch the flow path of the refrigerant in the outdoor heat exchanger between cooling and heating modes. In the embodiment where the second heat exchanger 3 is an indoor heat exchanger, the integrated valve 4 can switch the flow path of the refrigerant in the indoor heat exchanger between cooling and heating modes. Both the embodiment where the second heat exchanger 3 is an outdoor heat exchanger and the embodiment where the second heat exchanger 3 is an indoor heat exchanger are within the protection scope of this utility model.

[0056] According to the air conditioning system 100 of this utility model embodiment, the integrated valve 4 enables the air conditioning system 100 to switch between the cooling module and the heating mode, simplifying the structure of the air conditioning system 100 and increasing its practicality. In addition, the integrated valve 4 can also switch the flow path of the refrigerant in the second heat exchanger 3, allowing the refrigerant to switch different flow paths in the cooling mode and the heating mode, which is beneficial to improving the overall performance of the air conditioning system 100. In this utility model embodiment, the integrated valve 4 can not only realize the switching between the cooling mode and the heating module, but also realize the switching of the refrigerant flow path, effectively simplifying the structure of the air conditioning system 100, which is beneficial to reducing the cost of the air conditioning system 100, and also beneficial to realizing the miniaturization of the air conditioning system 100.

[0057] In some embodiments, each heat exchange module 31 includes multiple heat exchange branches connected in parallel to improve the heat exchange efficiency of each heat exchange module 31. The number of heat exchange branches can be two, three, or other numbers, and this invention does not limit this number.

[0058] Reference Figure 3 and Figure 4 In some embodiments, the integrated valve 4 is configured to actuate when the exhaust valve port 411 is connected to the first valve port 413, so that the multiple heat exchange modules 31 are connected in series or in parallel.

[0059] When the exhaust valve port 411 is connected to the first valve port 413, the first heat exchanger 2 heats, and the second heat exchanger 3 cools. At this time, the integrated valve 4 is activated to connect multiple heat exchange modules 31 in series or in parallel. That is to say, the integrated valve 4 allows the flow path of the refrigerant in the second heat exchanger 3 to be switched when the second heat exchanger 3 is cooling.

[0060] When the second heat exchanger 3 is cooling, multiple heat exchange modules 31 in the second heat exchanger 3 are connected in series, the refrigerant can be deeply evaporated, the superheat can be controlled, and the frost on the second heat exchanger 3 can be avoided, which is suitable for precise temperature control under low load; multiple heat exchange modules 31 in the second heat exchanger 3 are connected in parallel, the refrigerant can quickly absorb heat and reduce flow resistance, which is suitable for rapid temperature adjustment under high load.

[0061] In this embodiment of the utility model, the integrated valve 4 allows the flow path of the refrigerant in the second heat exchanger 3 to be switched when the second heat exchanger 3 is cooling, so that the air conditioning system 100 can be applied to more different application scenarios, effectively improving the practicality of the air conditioning system 100.

[0062] Reference Figure 1 and Figure 2 In some embodiments, the integrated valve 4 is configured to actuate when the exhaust valve port 411 is connected to the second valve port 414, so that the multiple heat exchange modules 31 are connected in series or in parallel.

[0063] When the exhaust valve port 411 is connected to the second valve port 414, the first heat exchanger 2 cools and the second heat exchanger 3 heats. At this time, the integrated valve 4 is activated to connect multiple heat exchange modules 31 in series or in parallel. That is to say, the integrated valve 4 allows the flow path of the refrigerant in the second heat exchanger 3 to be switched when the second heat exchanger 3 is heating.

[0064] When the second heat exchanger 3 is heating, multiple heat exchange modules 31 in the second heat exchanger 3 are connected in series, which can improve the subcooling, optimize the throttling efficiency, maintain the condensing temperature stable under low load, and reduce the control complexity; multiple heat exchange modules 31 in the second heat exchanger 3 are connected in parallel, so that the refrigerant can dissipate heat efficiently in the second heat exchanger 3 and control the condensing pressure.

[0065] In this embodiment of the present invention, the integrated valve 4 allows the flow path of the refrigerant in the second heat exchanger 3 to be switched when the second heat exchanger 3 is heating, so that the air conditioning system 100 can be applied to more different application scenarios, effectively improving the practicality of the air conditioning system 100.

[0066] In some embodiments, the integrated valve 4 is configured such that when the exhaust valve port 411 is connected to the first valve port 413, the integrated valve 4 causes multiple heat exchange modules 31 to be connected in series; when the integrated valve 4 is switched to connect the exhaust valve port 411 to the second valve port 414, the integrated valve 4 causes multiple heat exchange modules 31 to be connected in parallel.

[0067] In other words, in this embodiment of the present invention, when the second heat exchanger 3 is cooling, multiple heat exchange modules 31 are connected in series to increase the heat absorption depth of the refrigerant in the second heat exchanger 3; when the second heat exchanger 3 is heating, multiple heat exchange modules 31 are connected in parallel to improve the heat dissipation efficiency of the refrigerant in the second heat exchanger 3.

[0068] In other embodiments, the integrated valve 4 is configured such that when the exhaust valve port 411 is connected to the first valve port 413, the integrated valve 4 causes multiple heat exchange modules 31 to be connected in parallel; when the integrated valve 4 is switched to connect the exhaust valve port 411 to the second valve port 414, the integrated valve 4 causes multiple heat exchange modules 31 to be connected in series.

[0069] In other words, in this embodiment of the present invention, when the second heat exchanger 3 is cooling, multiple heat exchange modules 31 are connected in parallel to improve the heat dissipation efficiency of the refrigerant in the second heat exchanger 3; when the second heat exchanger 3 is heating, multiple heat exchange modules 31 are connected in series to improve the subcooling of the refrigerant in the second heat exchanger 3.

[0070] Reference Figure 4 , Figure 9 and Figure 10 In some embodiments, the integrated valve 4 includes a valve housing 41 and a valve core 42. An exhaust valve port 411, an intake valve port 412, a first valve port 413, a second valve port 414, a third valve port 415, a fourth valve port 416, and a plurality of connecting valve ports 417 are disposed in the valve housing 41. The valve core 42 is rotatably disposed within the valve housing 41, and the valve core 42 has a first connecting channel 421 and a second connecting channel 422. The second valve port 414 is switched to communicate with the exhaust valve port 411 and the intake valve port 412 through the first connecting channel 421; the first valve port 413 is switched to communicate with the exhaust valve port 411 and the intake valve port 412 through the second connecting channel 422.

[0071] When the valve core 42 rotates, it drives the first connecting channel 421 and the second connecting channel 422 to rotate, as shown in the reference. Figure 1 and Figure 2 When the valve core 42 rotates to the first connecting channel 421, connecting the second valve port 414 with the exhaust valve port 411, the second connecting channel 422 connects the first valve port 413 with the intake valve port 412; refer to Figure 3 and Figure 4 When the valve core 42 rotates to the first connecting channel 421 to connect the second valve port 414 with the intake valve port 412, the second connecting channel 422 connects the first valve port 413 with the exhaust valve port 411.

[0072] In this embodiment of the utility model, the switching method between cooling mode and heating mode is simple, the structure of integrated valve 4 is simple, and the cost of integrated valve 4 is reduced.

[0073] In some embodiments, in a direction perpendicular to the rotation axis of the valve core 42, a first connecting channel 421 and a second connecting channel 422 are arranged sequentially, with the first connecting channel 421 located on the side of the second connecting channel 422 closer to the valve housing 41. That is, in the rotation direction of the valve core 42, the two ends of the second connecting channel 422 are distributed on both sides of the first connecting channel 421.

[0074] In the rotation direction of the valve core 42, the exhaust valve port 411, the second valve port 414, the intake valve port 412, and the first valve port 413 are arranged sequentially. (Refer to...) Figure 1 and Figure 2 When one end of the second connecting channel 422 is simultaneously connected to both the first valve port 413 and the intake valve port 412, the first connecting channel 421 is simultaneously connected to both the second valve port 414 and the exhaust valve port 411; refer to Figure 3 and Figure 4 When the two ends of the second connecting channel 422 are connected to the first valve port 413 and the exhaust valve port 411 respectively, the first connecting channel 421 is simultaneously connected to the intake valve port 412 and the second valve port 414.

[0075] In this embodiment of the utility model, the arrangement of the first connecting channel 421 and the second connecting channel 422 is simple, which further reduces the cost of the integrated valve 4 and the cost of the air conditioning system 100.

[0076] In some embodiments, in the rotation direction of the valve core 42, the fourth valve port 416, the third valve port 415 and a plurality of connecting valve ports 417 are arranged sequentially. The valve core 42 is provided with a plurality of third communication channels 423 spaced apart along the rotation direction. The plurality of connecting valve ports 417 are adapted to communicate through one of the third communication channels 423. The third valve port 415 and the fourth valve port 416 are adapted to communicate through one of the third communication channels 423. The third valve port 415 is adapted to communicate with the connecting valve port 417 through one of the third communication channels 423.

[0077] Reference Figure 2 When multiple connecting valve ports 417 are connected through one of the third connecting channels 423, and the third valve port 415 and the fourth valve port 416 are connected through one of the third connecting channels 423, multiple heat exchange modules 31 are arranged in parallel. (Refer to...) Figure 1 When the third valve port 415 is connected to the connecting valve port 417 through one of the third connecting channels 423, at least some of the heat exchange modules 31 are connected in series.

[0078] In this embodiment of the utility model, the switching method of parallel and series connection of multiple heat exchange modules 31 is simple, the structure of integrated valve 4 is simple, the cost of integrated valve 4 is reduced, and the cost of air conditioning system 100 is reduced.

[0079] In some specific embodiments, the second heat exchanger 3 includes two heat exchange modules 31, namely a first heat exchange module 31A and a second heat exchange module 31B. The integrated valve 4 has two connection ports 417, namely a first connection port 417 and a second connection port 417. The first connection port 417 is connected to the flow branch interface of the first heat exchange module 31A, and the second connection port 417 is connected to the flow branch interface of the second heat exchange module 31B. The second valve port 414 is connected to the first connection port 417 via a connecting pipe 6.

[0080] In the rotation direction of the valve core 42, the exhaust valve port 411, the second valve port 414, the intake valve port 412, and the first valve port 413 are arranged in sequence. In the direction perpendicular to the rotation axis of the valve core 42, the first connecting channel 421 and the second connecting channel 422 are arranged in sequence, with the first connecting channel 421 located on the side of the second connecting channel 422 closer to the valve housing 41.

[0081] The valve core 42 is rotatably disposed within the valve housing 41 to switch between a first state and a second state, see reference. Figure 1 and Figure 2 In the first state, the exhaust valve port 411 and the second valve port 414 are connected through the first connecting channel 421, and the intake valve port 412 and the first valve port 413 are connected through one end of the second connecting channel 422, thus enabling the second heat exchanger 3 to generate heat. (Refer to...) Figure 3 and Figure 4 In the second state, the exhaust valve port 411 and the first valve port 413 are connected through the two ends of the second connecting channel 422, and the second valve port 414 and the intake valve port 412 are connected through the first connecting channel 421, so that the second heat exchanger 3 is cooled.

[0082] Reference Figure 9 In the rotation direction of the valve core 42, the fourth valve port 416, the third valve port 415, the second connecting valve port 417, and the first connecting valve port 417 are arranged in sequence. In the rotation direction of the valve core 42, three third connecting channels 423 are arranged in sequence on the valve core 42, namely the third connecting channel 423A, the third connecting channel 423B, and the third connecting channel 423C.

[0083] Reference Figure 1 , Figure 2 and Figure 9 When the valve core 42 is in the first state, the valve core 42 can rotate within a certain range to switch between the first position and the second position. (Refer to...) Figure 1 and Figure 9In the first position, valve core 42 closes the first connecting valve port 417, the third connecting channel 423C connects the second connecting valve port 417 and the third valve port 415, and the third connecting channel 423B only connects to the fourth valve port 416. At this time, the high-temperature refrigerant is discharged from the exhaust port 11 of compressor 1 and flows sequentially through the exhaust valve port 411, the first connecting channel 421, the second valve port 414, the connecting pipe 6, the first heat exchange module 31A, the first main interface 32, the second heat exchange module 31B, the second connecting valve port 417, the third connecting channel 423C, the third valve port 415, the throttling element 5, the first heat exchanger 2, the first valve port 413, the second connecting channel 422, and the suction valve port 412 before flowing to the suction port 12 of compressor 1. That is to say, when the second heat exchanger 3 is heating, the first heat exchange module 31A and the second heat exchange module 31B are connected in series.

[0084] Reference Figure 2 and Figure 9 In the second position, the third connecting channel 423C connects the first connecting valve port 417 and the second connecting valve port 417, and the third connecting channel 423B connects the third valve port 415 and the fourth valve port 416. At this time, the refrigerant with a higher temperature is discharged from the exhaust port 11 of the compressor 1 and then flows sequentially through the exhaust valve port 411, the first connecting channel 421, the second valve port 414 and the connecting pipe 6 before being split. One part flows to the first heat exchange module 31A, and the other part flows sequentially through the first connecting valve port 417, the third connecting channel 423C and the second connecting valve port 417 before flowing to the second heat exchange module 31B. The refrigerant in the first heat exchange module 31A and the second heat exchange module 31B merges at the first main interface 32 and then flows sequentially through the fourth valve port 416, the third connecting channel 423B, the third valve port 415, the throttling element 5, the first heat exchanger 2, the first valve port 413, the second connecting channel 422 and the suction valve port 412 before flowing to the suction port 12 of the compressor 1. In other words, when the second heat exchanger 3 is heating, the first heat exchange module 31A and the second heat exchange module 31B are connected in parallel.

[0085] Reference Figure 3 , Figure 4 and Figure 9 When valve core 42 is in the second state, valve core 42 can rotate within a certain range to switch between the third and fourth positions. (Refer to...) Figure 3 and Figure 9In the third position, the third connecting channel 423C is only connected to the first connecting valve port 417, the third connecting channel 423B is connected to the second connecting valve port 417 and the third valve port 415, and the third connecting channel 423A is only connected to the fourth valve port 416. At this time, the high-temperature refrigerant is discharged from the exhaust port 11 of the compressor 1 and flows sequentially through the exhaust valve port 411, the second connecting channel 422, the first valve port 413, the first heat exchanger 2, the throttling element 5, the third valve port 415, the third connecting channel 423B, the second connecting valve port 417, the second heat exchange module 31B, the first main interface 32, the first heat exchange module 31A, the connecting pipe 6, the second valve port 414, the first connecting channel 421, and the suction valve port 412 before flowing to the suction port 12 of the compressor 1. That is to say, when the second heat exchanger 3 is cooling, the first heat exchange module 31A and the second heat exchange module 31B are connected in series.

[0086] Reference Figure 4 and Figure 9 In the fourth position, the third connecting channel 423B connects the first connecting valve port 417 and the second connecting valve port 417, and the third connecting channel 423A connects the third valve port 415 and the fourth valve port 416. At this time, the refrigerant with a higher temperature is discharged from the exhaust port 11 of the compressor 1 and passes through the exhaust valve port 411, the second connecting channel 422, the first valve port 413, the first heat exchanger 2, the throttling element 5, the third valve port 415, the third connecting channel 423A, the fourth valve port 416 and the first main interface 32 in sequence before being diverted to the first heat exchange module 31A and the second heat exchange module 31B. The refrigerant in the first heat exchange module 31A flows to the connecting pipe 6, and the refrigerant in the second heat exchange module 31B flows to the connecting pipe 6 in sequence after passing through the second connecting valve port 417, the third connecting channel 423B and the first connecting valve port 417 in sequence. The refrigerant in the connecting pipe 6 flows to the suction port 12 of the compressor 1 in sequence after passing through the second valve port 414, the first connecting channel 421 and the suction valve port 412 in sequence. In other words, the parallel connection of the first heat exchange module 31A and the second heat exchange module 31B is achieved when the second heat exchanger 3 is cooling.

[0087] In this embodiment of the utility model, the structure of the integrated valve 4 can not only realize the switching between the air conditioning system 100 in cooling mode and heating mode, but also realize the switching between multiple heat exchange modules 31 in series and parallel in cooling mode, and the switching between multiple heat exchange modules 31 in series and parallel in heating mode, effectively increasing the applicability of the air conditioning system 100, improving the overall performance of the air conditioning system 100, and enhancing the practicality of the air conditioning system 100.

[0088] Reference Figure 9 and Figure 10 In some embodiments, the integrated valve 4 further includes a drive 43 for driving the valve core 42 to rotate.

[0089] In this embodiment of the present invention, the integrated valve 4 is configured to be driven by the driving component 43, so that the integrated valve 4 can be directly controlled by the set program or the input command to control the working state, thereby improving the intelligence of the integrated valve 4 and thus improving the applicability of the integrated valve 4.

[0090] In some embodiments, the drive unit 43 includes a stator 431 and a rotor 432. The stator 431 is fixedly disposed relative to the valve housing 41, and the rotor 432 is rotatable relative to the valve housing 41. The rotor 432 is connected to the valve core 42, and the stator 431 and the rotor 432 are coupled together to drive the rotor 432 to rotate.

[0091] In this embodiment of the invention, the drive component 43 has a simple structure, reducing the cost of the integrated valve 4. In other embodiments, the drive component 43 may further include an electric drive component 43 and a transmission assembly. The transmission assembly includes an input component connected to the electric drive component 43 and an output component connected to the valve core 42. The electric drive component 43 is a device that converts electrical energy into mechanical energy, and the transmission assembly is used to transmit the power output by the electric drive component 43 to the valve core 42 through the output component, driving the valve core 42 to rotate. Exemplarily, the electric drive component 43 can be a motor, suitable for driving the input component to rotate, and the transmission assembly can be a linkage assembly or a gear assembly. The electric drive component 43 can also be other devices, and the transmission assembly can also be other transmission mechanisms, as long as the valve core 42 can rotate; this invention does not impose any limitations on these aspects.

[0092] In some specific embodiments, the drive unit 43 further includes a rotating shaft 433, a stator 431 and a rotor 432 disposed outside the valve housing 41, the rotating shaft 433 is connected to the rotor 432, a part of the rotating shaft 433 extends into the valve housing 41 to connect with the valve core 42, and a sealing assembly is provided between the rotating shaft 433 and the valve housing 41 to prevent the medium from leaking from between the rotating shaft 433 and the valve housing 41, thus ensuring the reliability of the integrated valve 4.

[0093] In other embodiments, the rotor 432 is disposed inside the valve housing 41, and the stator 431 is disposed outside the valve housing 41.

[0094] In this embodiment of the utility model, by setting the rotor 432 inside the valve housing 41, the valve core 42 does not need to pass through the valve housing 41, which effectively improves the overall sealing performance of the valve housing 41, and also omits the sealing components, simplifying the structure of the integrated valve 4 and reducing the cost of the integrated valve 4.

[0095] In some specific embodiments, the rotor 432 includes a magnet with a toothed structure on its periphery to form magnetic poles, and the stator 431 is disposed outside the valve housing 41 and sleeved on the rotor 432.

[0096] In this embodiment of the invention, the rotor 432 has a simple structure, which reduces the cost of the integrated valve 4.

[0097] In some further embodiments, the magnet and valve core 42 are constructed as a single molded part.

[0098] The above technical solution improves the stability of the connection between the magnet and the valve core 42, eliminates the step of connecting the rotor 432 to the valve core 42, and effectively reduces the cost of the integrated valve 4.

[0099] Reference Figures 5-8 In some other embodiments of the present invention, the air conditioning system 100 further includes an electronic control module and a heat dissipation pipe 7 for dissipating heat from the electronic control module, the heat dissipation pipe 7 being located between the first heat exchanger 2 and the second heat exchanger 3.

[0100] In this embodiment of the present invention, the heat dissipation pipe 7 can dissipate heat from the electronic control module through the refrigerant, thereby reducing the risk of thermal runaway of the electronic control module, improving the safety of the air conditioning system 100, and helping to extend the service life of the air conditioning system 100.

[0101] In some embodiments, the air conditioning system 100 further includes a switching component 8, which is connected to the heat pipe 7 and the throttling element 5 respectively. The switching component 8 is configured to operate during mode switching such that the heat pipe 7 is located upstream of the throttling element 5.

[0102] Because the refrigerant is throttled by the throttling element 5 when it flows through the throttling element 5, the refrigerant downstream of the throttling element 5 has a lower temperature. This utility model sets the switching component 8 so that the heat dissipation pipe 7 is located upstream of the throttling element 5. This allows the refrigerant to dissipate heat from the electronic control module without causing condensation on the electronic control module due to the low temperature of the refrigerant. This reduces the risk of damage to the electronic control module and further improves the safety of the air conditioning system 100.

[0103] In some embodiments, the switching assembly 8 includes a plurality of unidirectional conduction structures 81, wherein the third valve port 415 and the first end of the first heat exchanger 2 are respectively connected to the end of the heat dissipation pipe 7 away from the throttling element 5 through the unidirectional conduction structure 81, and the end of the throttling element 5 away from the heat dissipation pipe 7 is respectively connected to the third valve port 415 and the first end of the first heat exchanger 2 through two unidirectional conduction structures 81.

[0104] Reference Figure 5 and Figure 6When the refrigerant flows from the third valve port 415 to the first heat exchanger 2, after the refrigerant is discharged from the third valve port 415, under the action of the one-way conduction structure 81 between the third valve port 415 and the throttling element 5, the refrigerant cannot flow directly from the third valve port 415 to the throttling element 5. Under the action of the one-way conduction structure 81 between the third valve port 415 and the heat dissipation pipe 7, the refrigerant first flows to the heat dissipation pipe 7, and then flows to the throttling element 5. After the refrigerant is discharged from the throttling element 5, under the action of the one-way conduction structure 81 between the throttling element 5 and the first heat exchanger 2, the refrigerant flows to the first heat exchanger 2.

[0105] Reference Figure 7 and Figure 8 When the refrigerant flows from the first end of the first heat exchanger 2 to the third valve port 415, after the refrigerant is discharged from the first end of the first heat exchanger 2, under the action of the one-way conduction structure 81 between the first heat exchanger 2 and the throttling element 5, the refrigerant cannot flow directly from the first heat exchanger 2 to the throttling element 5. Under the action of the one-way conduction structure 81 between the first heat exchanger 2 and the heat dissipation pipe 7, the refrigerant first flows to the heat dissipation pipe 7, and then flows to the throttling element 5. After the refrigerant is discharged from the throttling element 5, under the action of the one-way conduction structure 81 between the throttling element 5 and the third valve port 415, the refrigerant flows to the third valve port 415.

[0106] In this embodiment of the invention, the switching component 8 has a simple structure, which reduces the cost of the air conditioning system 100.

[0107] The air conditioner according to an embodiment of the present utility model includes: the air conditioning system 100 in the above technical solution.

[0108] According to the air conditioner of this utility model embodiment, the integrated valve 4 enables the air conditioning system 100 to switch between the cooling module and the heating mode, simplifying the structure of the air conditioning system 100 and increasing its practicality. In addition, the integrated valve 4 can also switch the flow path of the refrigerant in the second heat exchanger 3, allowing the refrigerant to switch different flow paths in the cooling mode and the heating mode, which is beneficial to improving the overall performance of the air conditioning system 100. In this utility model embodiment, the integrated valve 4 can not only realize the switching between the cooling mode and the heating module, but also realize the switching of the refrigerant flow path, effectively simplifying the structure of the air conditioning system 100, which is beneficial to reducing the cost of the air conditioner and also to realizing the miniaturization of the air conditioner.

[0109] Other components of the air conditioner according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0110] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0111] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An air conditioning system, characterized in that, include: The compressor has an exhaust port and an intake port; A first heat exchanger and a second heat exchanger, wherein a throttling element is provided between a first end of the first heat exchanger and the second heat exchanger, the second heat exchanger includes a plurality of heat exchange modules, each heat exchange module having a flow-diverting interface, the second heat exchanger includes a first main interface, and the plurality of heat exchange modules are all connected to the first main interface; An integrated valve is provided with an exhaust valve port, an intake valve port, a first valve port, a second valve port, a third valve port, a fourth valve port, and multiple connecting valve ports. The exhaust valve port is connected to the exhaust port, the intake valve port is connected to the intake port, the first valve port is connected to the second end of the first heat exchanger, the third valve port is connected to the throttling element, the fourth valve port is connected to the first main interface, the multiple branch interfaces are connected to the multiple connecting valve ports one by one, and the second valve port is connected to one of the branch interfaces and the corresponding connecting valve port through a connecting pipe. The integrated valve is configured to be switchable such that the exhaust valve port is connected to one of the first valve port and the second valve port, and the intake valve port is connected to the other of the first valve port and the second valve port; The integrated valve is configured to be switchable such that a third valve port communicates with the connecting valve port, thereby connecting at least a portion of the heat exchange modules in series; and / or The integrated valve is configured to switch multiple connection ports to be connected, with the third and fourth valve ports connected to allow at least some heat exchange modules to be connected in parallel.

2. The air conditioning system according to claim 1, characterized in that, The integrated valve is configured to operate when the exhaust valve port is connected to the first valve port, thereby connecting multiple heat exchange modules in series or in parallel.

3. The air conditioning system according to claim 2, characterized in that, The integrated valve is configured to operate when the exhaust valve port is connected to the second valve port, thereby causing the plurality of heat exchange modules to be connected in series or in parallel.

4. The air conditioning system according to claim 3, characterized in that, The integrated valve includes: The valve housing contains the exhaust valve port, the intake valve port, the first valve port, the second valve port, the third valve port, the fourth valve port, and a plurality of connecting valve ports. The valve core is rotatably disposed within the valve housing. The valve core is provided with a first communication channel and a second communication channel. The second valve port is switched to communicate with the exhaust valve port and the intake valve port through the first communication channel. The first valve port is switched to be connected to the exhaust valve port and the intake valve port through the second connecting channel.

5. The air conditioning system according to claim 4, characterized in that, In a direction perpendicular to the rotation axis of the valve core, the first connecting channel and the second connecting channel are arranged sequentially, with the first connecting channel located on the side of the second connecting channel closer to the valve body.

6. The air conditioning system according to claim 4, characterized in that, In the rotation direction of the valve core, the fourth valve port, the third valve port, and a plurality of connecting valve ports are arranged sequentially. The valve core is provided with a plurality of third connecting channels spaced apart along the rotation direction. The plurality of connecting valve ports are adapted to be connected through one of the third connecting channels. The third valve port and the fourth valve port are adapted to be connected through one of the third connecting channels. The third valve port is adapted to be connected to the connecting valve port through one of the third connecting channels.

7. The air conditioning system according to claim 4, characterized in that, The integrated valve also includes a drive unit for driving the valve core to rotate.

8. The air conditioning system according to claim 7, characterized in that, The driving component includes a stator and a rotor. The stator is fixed relative to the valve housing, and the rotor is rotatable relative to the valve housing. The rotor is connected to the valve core, and the stator is coupled to the rotor to drive the rotor to rotate.

9. The air conditioning system according to claim 8, characterized in that, The rotor is disposed inside the valve housing, and the stator is disposed outside the valve housing.

10. The air conditioning system according to claim 1, characterized in that, Each of the heat exchange modules includes multiple heat exchange branches connected in parallel.

11. The air conditioning system according to any one of claims 1-10, characterized in that, It also includes an electronic control module and a heat dissipation pipe for cooling the electronic control module, the heat dissipation pipe being located between the first heat exchanger and the second heat exchanger.

12. The air conditioning system according to claim 11, characterized in that, It also includes a switching component connected to the heat pipe and the throttling element, respectively, and the switching component is configured to operate during mode switching such that the heat pipe is located upstream of the throttling element.

13. The air conditioning system according to claim 12, characterized in that, The switching assembly includes multiple unidirectional conduction structures. The third valve port and the first end of the first heat exchanger are respectively connected to the end of the heat dissipation tube away from the throttling element through the unidirectional conduction structures. The end of the throttling element away from the heat dissipation tube is connected to the third valve port and the first end of the first heat exchanger through two unidirectional conduction structures.

14. An air conditioner, characterized in that, include: The air conditioning system according to any one of claims 1-13.

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