Air conditioner

Abstract

The utility model discloses an air conditioner, air conditioner includes the casing, the valve island subassembly and the reversing valve, the valve island subassembly installs in the casing, and the reversing valve is located in the casing, and the connecting pipeline is connected between the reversing valve and the valve island subassembly, and the length of connecting pipeline is S1, and satisfy: S1<=400mm, and / or, the distance between the axis of reversing valve and valve island subassembly is S2, and satisfy: S2<=420mm. According to the air conditioner of the utility model, by limiting the length of connecting pipeline not more than 400mm, the distance between the axis of reversing valve and valve island subassembly is S2 not more than 420mm, can avoid the space that connecting pipeline between reversing valve and valve island subassembly occupies in the casing is too big, improves the integration of reversing valve, connecting pipeline and valve island subassembly, reduces the flow loss of refrigerant between reversing valve and valve island subassembly, guarantees the refrigeration effect of air conditioner, and the support between reversing valve and valve island subassembly is better.

Description

Technical Field

[0001] This utility model mainly relates to the field of air handling equipment technology, and in particular to an air conditioner. Background Technology

[0002] In the existing technology, the internal layout of the air conditioner is relatively compact. After the valve island assembly is installed, if the distance between the reversing valve and the valve island assembly is too large, the refrigerant flow rate is poor, the pipeline layout is difficult, and the position of the reversing valve is not reliable enough. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes an air conditioner that improves the integration of the reversing valve, connecting pipes, and valve island assembly, ensuring the cooling effect of the air conditioner, and providing better support between the reversing valve and the valve island assembly.

[0004] An air conditioner according to an embodiment of the present invention includes a housing, a valve island assembly, and a reversing valve. The valve island assembly is installed inside the housing. The reversing valve is disposed inside the housing. A connecting pipe is connected between the reversing valve and the valve island assembly. The length of the connecting pipe is S1, and satisfies: S1≤400mm; and / or, the distance between the axis of the reversing valve and the valve island assembly is S2, and satisfies: S2≤420mm.

[0005] According to the embodiment of the present invention, the air conditioner is equipped with a valve island assembly and a reversing valve. The reversing valve and the valve island assembly are connected by a connecting pipe. The length of the connecting pipe is no more than 400mm, and the distance S2 between the axis of the reversing valve and the valve island assembly is no more than 420mm. This avoids the connecting pipe between the reversing valve and the valve island assembly occupying too much space inside the housing, improves the integration of the reversing valve, the connecting pipe and the valve island assembly, reduces the flow loss of refrigerant between the reversing valve and the valve island assembly, and ensures the cooling effect of the air conditioner. The shorter length of the connecting pipe also provides better support between the reversing valve and the valve island assembly.

[0006] In some embodiments of this utility model, the connecting pipe extends in a vertical direction.

[0007] In some embodiments of this utility model, there are two connecting pipes, one end of which is connected to two first interfaces on the valve island assembly, and the other end is connected to two second interfaces on the reversing valve.

[0008] In some embodiments of this utility model, the air conditioner further includes an expansion valve, which is disposed inside the housing and connected to the valve island assembly by a first connecting pipe. The length of the first connecting pipe in the vertical direction is L1, and satisfies: L1≤450mm.

[0009] In some embodiments of this utility model, the valve island assembly includes: a plurality of integrated valve islands and a plate heat exchanger. The plurality of integrated valve islands include a first integrated valve island and a second integrated valve island. The expansion valve includes: a first expansion valve and a second expansion valve. The first expansion valve is integrated on the first integrated valve island, and the second expansion valve is integrated on the second integrated valve island. The first integrated valve island and the second integrated valve island are both located on the same side of the vertical direction of the plate heat exchanger, and at least the first expansion valve and the second expansion valve are located within the projected outline of the plate heat exchanger in the horizontal plane.

[0010] In some embodiments of this utility model, the valve island assembly includes a valve island body and a valve island bracket, the valve island body is disposed on the valve island bracket, the air conditioner further includes a support member, the support member is disposed inside the housing, and the valve island bracket is mounted on the support member.

[0011] In some embodiments of this utility model, a first gap exists between the valve island assembly and the top plate of the housing, and the reversing valve is located within the first gap.

[0012] In some embodiments of this utility model, the distance between the highest point of the pipeline connected to the reversing valve and the top plate is L2, and satisfies: L2≥60mm.

[0013] In some embodiments of this utility model, the air conditioner further includes a compressor having an exhaust port, and the reversing valve is connected to the exhaust port via a first pipeline. The first pipeline has a top pipe section located above the reversing valve, and the connecting pipeline does not protrude from the top pipe section in the vertical direction.

[0014] In some embodiments of this utility model, the top pipe section and the valve island assembly are arranged at a distance in the vertical direction. The air conditioner also includes an expansion valve, which is located on the side of the valve island assembly in the vertical direction where the top pipe section is located. The maximum distance between the expansion valve and the valve island assembly in the vertical direction is less than the maximum distance between the top pipe section and the valve island assembly in the vertical direction.

[0015] In some embodiments of this utility model, a partition is provided inside the housing, and the air conditioner further includes an electronic control component. The partition is used to divide the housing into a compressor chamber and a fan chamber spaced apart in the horizontal direction. A fan assembly is installed in the fan chamber. The compressor, the valve island assembly, the electronic control component, and the reversing valve are all installed in the compressor chamber. The top pipe section is provided with a clearance structure, which is used to avoid the electronic control component.

[0016] In some embodiments of this utility model, the compressor further has a return air port; the air conditioner further includes: a gas-liquid separator having a separation inlet and a separation outlet, the separation inlet being connected to the valve island assembly, and the separation outlet being connected to the return air port; wherein: the projection of the valve island assembly and the gas-liquid separator and / or the compressor on the horizontal plane at least partially coincides.

[0017] 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

[0018] 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: Figure 1 This is a partial structural diagram of the internal structure of an air conditioner according to an embodiment of the present utility model; Figure 2 yes Figure 1 Exploded view of the middle structure; Figure 3 This is a perspective view of a portion of the valve island assembly of an air conditioner according to an embodiment of the present utility model; Figure 4 This is a cross-sectional view of a portion of the valve island assembly of an air conditioner according to an embodiment of the present utility model; Figure 5 Side view of a portion of the valve island assembly of an air conditioner according to an embodiment of the present utility model; Figure 6 This is a schematic diagram of the air conditioner structure according to an embodiment of the present utility model; Figure 7 This is a partial enlarged view of an air conditioner according to an embodiment of the present utility model.

[0019] Figure label: 100. Air conditioner; 1. Shell; 11. Base plate; 21. Compressor; 22. Reversing valve; 221. Second port; 23. Connecting pipeline; 24. Expansion valve; 241. First expansion valve; 242. Second expansion valve; 243. Third port; 25. Copper sleeve; 31. Plate heat exchanger; 32. Oil-gas separator; 33. Solenoid valve; 34. High-pressure valve; 341. High-pressure valve interface; 35. Low-pressure valve; 36. First connecting pipe; 4. Gas-liquid separator; 5. Valve island assembly; 51. Valve island body; 52. Valve island bracket; 531. First interface; 54. First integrated valve island; 55. Low-pressure valve interface; 57. Second integrated valve island; 581. First flow channel; 582. Second flow channel; 59. Third integrated valve island; 501. First side; 502. Second side; 6. Gas separator mounting bracket; 61. Top plate mounting; 62. Intermediate plate; 63. Base plate mounting; 7. First pipeline; 71. Top pipe section; 72. Avoidance structure; 8. Second piping; 91. Low-pressure valve connecting pipe; 92. Filter; 93. Enthalpy-increasing pipe; 94. Refrigerant heat dissipation pipe; a) First gap; b) Second gap. Detailed Implementation

[0020] 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.

[0021] 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. 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.

[0022] The air conditioner 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0023] like Figure 1 As shown, the air conditioner 100 according to an embodiment of the present utility model includes a housing 1, a valve island assembly 5, and a reversing valve 22.

[0024] In this context, air conditioner 100 refers to an air conditioning unit, which is a machine used to provide air temperature control for a space (generally enclosed). The function of air conditioner 100 is to regulate parameters such as temperature, humidity, cleanliness, and airflow velocity of the air in a room (or enclosed space, area) by generating cold or hot air to meet the requirements of human comfort or process control. In this embodiment, air conditioner 100 may refer to the outdoor unit of an air conditioner.

[0025] Specifically, such as Figure 1 As shown, the air conditioner 100 is provided with a housing 1, which is located on the outside of the air conditioner 100 and can support the air conditioner 100. An installation space is formed inside the housing 1, in which various structures required for the operation of the air conditioner 100 can be installed. The housing 1 can protect the various structures and also provide installation points for the various structures inside the air conditioner 100, thus ensuring installation reliability.

[0026] The structure inside the housing 1 includes multiple refrigeration components, which are connected by pipes to form a refrigerant circuit. The refrigerant can flow in the refrigerant circuit to achieve the air conditioning function of the air conditioner 100.

[0027] Furthermore, the air conditioner 100 also includes a valve island assembly 5. The valve island assembly 5 can be installed and supported on the housing 1 by means of connectors or welding. It is understood that some refrigeration components can be connected to the housing 1 by means of connectors or welding. The valve island assembly 5 can be installed and supported on one or more refrigeration components by means of connectors or welding, so that the valve island assembly 5 can be fixedly installed in the housing 1 by means of only refrigeration components. Multiple pipes can be connected to the valve island assembly 5 to integrate the refrigerant circuit in the valve island assembly 5, thereby increasing the integration of the refrigerant circuit.

[0028] In some specific embodiments, such as Figure 6As shown, the refrigeration assembly includes a compressor 21 and a gas-liquid separator 4. The compressor 21 and the gas-liquid separator 4 are spaced apart within the housing 1 and can be connected to the housing 1 by means of connectors or welding. The valve island assembly 5 can be installed and supported on the gas-liquid separator 4 by means of connectors or welding, so that the valve island assembly 5 can be fixedly installed in the housing 1 only through the gas-liquid separator 4. Multiple pipelines can be connected to the valve island assembly 5, and multiple pipelines can be connected to the compressor 21 and the gas-liquid separator 4 to form a refrigerant circuit. This allows the valve island assembly 5 to be spaced apart from the compressor 21 and other structures to isolate the vibration generated by the compressor 21 and other structures during operation, thereby reducing the noise generated by the air conditioner 100 during operation and improving the user experience.

[0029] In addition, multiple pipelines are connected to valve island assembly 5, which shortens the pipeline length, reduces the space occupied by the refrigerant circuit, thereby improving integration, enhancing weight reduction, and lowering installation costs.

[0030] The air conditioner 100 also includes a reversing valve 22, which is located inside the housing 1. A connecting pipe 23 connects the reversing valve 22 to the valve island assembly 5. The connecting pipe 23 is part of the aforementioned pipe system, allowing refrigerant to flow between the reversing valve 22 and the valve island assembly 5. The reversing valve 22 can be located on the vertical side of the valve island assembly 5 away from the compressor 21. The length of the connecting pipe 23 is S1, and it satisfies the condition: S1 ≤ 400 mm. It is understood that the length of the connecting pipe 23 can be 40 mm, 80 mm, 120 mm, 160 mm, 200 mm, 240 mm, 280 mm, 320 mm, 360 mm, or 400 mm.

[0031] Specifically, the valve island assembly 5 is provided with multiple first interfaces 531, the reversing valve 22 is provided with multiple second interfaces 221, and both ends of the connecting pipe 23 extend into one first interface 531 and one second interface 221. The length of the connecting pipe 23 refers to the length between the free end face of the first interface 531 connected to the connecting pipe 23 and the free end face of the second interface 221 connected to the connecting pipe 23, excluding the part of the connecting pipe 23 extending into the first interface 531 and the second interface 221.

[0032] If the materials at the connection points of the connecting pipe 23 and the first interface 531 are different, a copper sleeve 25 needs to be installed at the first interface 531 to ensure the reliability of the connection between the connecting pipe 23 and the valve island assembly 5. The length of the copper sleeve 25 is equal to the length of the connecting pipe 23. Or, if the materials at the connection points of the connecting pipe 23 and the second interface 221 are different, a copper sleeve 25 needs to be installed at the second interface 221 to ensure the reliability of the connection between the connecting pipe 23 and the reversing valve 22. The length of the copper sleeve 25 is equal to the length of the connecting pipe 23. Or, if the materials at the connection points of the connecting pipe 23 and both the first interface 531 and the second interface 221 are different, a copper sleeve 25 needs to be installed at both the first interface 531 and the second interface 221 to ensure the reliability of the connection between the connecting pipe 23 and the reversing valve 22 and the valve island assembly 5. The lengths of the copper sleeves 25 at both ends of the connecting pipe 23 are equal to the length of the connecting pipe 23.

[0033] The length of the connecting pipe 23 is no more than 400mm. While ensuring the normal flow of refrigerant, firstly, it can avoid the connecting pipe 23 being too long, thus avoiding the connecting pipe 23 between the reversing valve 22 and the valve island assembly 5 occupying too much space inside the housing 1, improving the integration of the reversing valve 22, the connecting pipe 23 and the valve island assembly 5, and facilitating the layout of other structures within the air conditioner 100; secondly, it can reduce the flow path of refrigerant between the reversing valve 22 and the valve island assembly 5, reduce refrigerant loss, and ensure the cooling effect of the air conditioner 100.

[0034] Thirdly, the reversing valve 22 and the valve island assembly 5 are connected by a connecting pipe 23. The reversing valve 22 and the valve island assembly 5 can be supported by the connecting pipe 23. The connecting pipe 23 is relatively short, and the supporting force between the reversing valve 22 and the valve island assembly 5 is good. For example, the valve island assembly 5 can be installed and supported on the housing 1 by means of connectors or welding. The connecting pipe 23 supports the reversing valve 22, realizing the installation of the reversing valve 22. When the length of the connecting pipe 23 is relatively short, the rigidity of the connecting pipe 23 can be increased, and the supporting effect of the connecting pipe 23 on the reversing valve 22 is good. At the same time, the internal structure of the air conditioner 100 is subject to vibration. If the length of the connecting pipe 23 is not too short, the connection stress between the reversing valve 22 and the valve island assembly 5 can be reduced, thereby improving the service life of the reversing valve 22 and the valve island assembly 5.

[0035] In some embodiments, such as Figure 5 As shown, the distance between the axis of the reversing valve 22 and the valve island assembly 5 is S2, and satisfies: S2≤420mm.

[0036] Here, the distance between the axis of the reversing valve 22 and the valve island assembly 5 refers to the vertical distance between the axis of the reversing valve 22 and the free end face of the first interface 531 on the valve island assembly 5. A distance of no more than 420mm between the axis of the reversing valve 22 and the valve island assembly 5 avoids the reversing valve 22 occupying too much space above the valve island assembly 5. This limits the reversing valve 22 to a specified range above the valve island assembly 5, reducing the space occupied by the reversing valve 22 above the valve island assembly 5, improving the integration of the internal structure of the air conditioner 100, and reducing the space occupied by the reversing valve 22 and the valve island assembly 5.

[0037] According to the embodiment of the present invention, the air conditioner 100 is equipped with a valve island assembly 5 and a reversing valve 22. The reversing valve 22 and the valve island assembly 5 are connected by a connecting pipe 23. The length of the connecting pipe 23 is no more than 400mm, and the distance S2 between the axis of the reversing valve 22 and the valve island assembly 5 is no more than 420mm. This can avoid the connecting pipe 23 between the reversing valve 22 and the valve island assembly 5 occupying too much space inside the housing 1, improve the integration of the reversing valve 22, the connecting pipe 23 and the valve island assembly 5, reduce the flow loss of refrigerant between the reversing valve 22 and the valve island assembly 5, and ensure the cooling effect of the air conditioner 100. The shorter length of the connecting pipe 23 provides better support between the reversing valve 22 and the valve island assembly 5.

[0038] In some embodiments, such as Figure 1 As shown, the reversing valve 22 is a four-way valve, and the second port 221 located at the bottom of the four-way valve is constructed to have three ports.

[0039] In some embodiments of this utility model, such as Figure 1 and Figure 2 As shown, the valve island assembly 5 includes a valve island body 51 and a valve island support 52. The valve island support 52 is mounted and supported on the gas-liquid separator 4, and the valve island body 51 is supported above the valve island support 52. Multiple pipelines are connected to the valve island body 51.

[0040] Specifically, the valve island assembly 5 is mounted and supported on the gas-liquid separator 4, and the valve island assembly 5 is provided with a valve island body 51 and a valve island bracket 52. The valve island bracket 52 can be mounted on the gas-liquid separator 4 by welding or connecting parts, and the valve island body 51 can be mounted and supported on top of the valve island bracket 52, so that the valve island body 51 can be mounted and supported on the gas-liquid separator 4 through the valve island bracket 52, which is convenient for installation. It also ensures that the valve island body 51 is only connected to the gas-liquid separator 4, thereby isolating the vibration generated by the operation of other structures, reducing the noise generated by the air conditioner 100 during operation, and improving the user experience.

[0041] Furthermore, multiple pipelines are connected to the valve island body 51, which can shorten the installation length of the pipelines, improve the integration, reduce the space occupied by multiple pipelines, improve the lightweight of the air conditioner 100, and reduce production costs. In actual installation, the valve island bracket 52 can be made of carbon steel, stainless steel, aluminum alloy, etc., which can ensure the structural strength of the valve island bracket 52 and improve the installation reliability of the valve island body 51.

[0042] The valve island body 51 can be composed of multiple valve bodies, which can share the same air intake source, but each has an independent output end. Each valve body can open and send a pneumatic signal to drive other components upon receiving an electronic control signal. The valve island body 51 can control multiple valves and their signal processing, thereby achieving automatic fluid regulation and diversion. By controlling the opening and closing of valves, the valve island body 51 can regulate fluid flow and pressure, thus improving the automation level of the air conditioner 100.

[0043] In some embodiments of this utility model, the air conditioner 100 further includes a compressor 21, the compressor 21 having an exhaust port, the reversing valve 22 being connected to the exhaust port via a first pipe 7, the first pipe 7 having a top pipe section 71 located above the reversing valve 22, and the connecting pipe 23 not protruding from the top pipe section 71 in the vertical direction.

[0044] Here, the top pipe section 71 is located on the side of the valve island assembly 5 away from the compressor 21 in the vertical direction. The reversing valve 22 is connected to the valve island body 51 through the connecting pipe 23. The two ends of the connecting pipe 23 are connected to the second interface 221 on the reversing valve 22 and the first interface 531 on the valve island body 51, respectively. The connecting pipe 23 does not protrude from the top pipe section 71 in the vertical direction, which can limit the reversing valve 22 to a height range that does not protrude from the top pipe section 71. This allows the placement space of the reversing valve 22 and the top pipe section 71 to overlap in the height direction, reducing the space occupied by the reversing valve 22 above the valve island assembly 5, improving the integration of the reversing valve 22, the connecting pipe 23 and the valve island assembly 5 inside the air conditioner 100, and reducing the space occupied by the reversing valve 22, the connecting pipe 23 and the valve island assembly 5.

[0045] In some embodiments of this utility model, the weight of the valve island body 51 is W, and satisfies: 50g ≤ W ≤ 2334g. The weight of the valve island body 51 is in the range of 50g to 2334g, which is lower than that of a conventional transmission system composed of multiple pipe sections and welded parts under the same fluid transmission conditions.

[0046] In some embodiments of this utility model, the valve island body 51 is made of aluminum and its weight satisfies: 50g≤W≤975g.

[0047] Understandably, the valve island body 51 is constructed of aluminum, which inherently possesses low density. Combined with its integrated flow channels, it can replace traditional multi-section welded pipes, eliminating the redundant weight generated by splicing and bending processes in traditional pipes. Furthermore, the low density of aluminum further amplifies the weight optimization effect, ensuring fluid flow while keeping the weight within a reasonable range. This range of 50g ≤ W ≤ 975g leverages the properties of aluminum to ensure sufficient strength and normal flow channel function while maintaining a lightweight design, avoiding the loss of advantages due to excessive weight. Simultaneously, the ease of processing aluminum allows for more precise shaping of the flow channels within the valve island body 51, ensuring stable fluid transmission.

[0048] In some embodiments of this utility model, the valve island body 51 is constructed of stainless steel and its weight satisfies: 765g≤W≤2334g.

[0049] Understandably, stainless steel possesses high strength and corrosion resistance, making it suitable for scenarios requiring stable fluid transmission, pressure resistance, and resistance to media corrosion. Similarly, the internally integrated flow channel can replace traditional multi-section welded pipes, eliminating structural redundancy caused by splicing and bending processes in traditional pipework. Stainless steel has a higher density than aluminum; this weight range ensures sufficient wall thickness to maintain high strength and structural stability under fluid pressure, while the integrated connecting channel avoids redundant weight in traditional pipework, optimizing the weight of traditional multi-section stainless steel pipework and achieving the core goal of reducing overall weight. Furthermore, the corrosion resistance of stainless steel prevents fluid media from eroding the channel, extending module lifespan and ensuring long-term reliable operation. Within the weight range of 765g ≤ W ≤ 2334g, the valve island component 5 can effectively replace traditional multi-section pipework while ensuring sufficient strength, meeting fluid transmission and corrosion resistance requirements, achieving both weight reduction and simplified installation.

[0050] In some embodiments of this utility model, such as Figure 1 and Figure 2 As shown, the connecting pipe 23 is along the vertical direction (e.g., Figure 1 As shown in the first direction, the refrigerant flows through a shorter path between the reversing valve 22 and the valve island assembly 5, increasing the refrigerant flow efficiency.

[0051] In some embodiments of this utility model, such as Figure 3 As shown, there are two connecting pipes 23. One end of each connecting pipe 23 is connected to the two first interfaces 531 on the valve island assembly 5, and the other end is connected to the two second interfaces 221 on the reversing valve 22. It can be understood that the four ports of the reversing valve 22 are connected to the gas-liquid separator 4, the compressor 21 and the first interfaces on the two valve island assemblies 5, respectively, so as to realize the smooth flow of refrigerant in the pipeline and meet different usage requirements.

[0052] According to some embodiments of the present invention, the compressor 21 has a return port; such as Figures 1-5 As shown, the air conditioner 100 also includes a gas-liquid separator 4, which is located on the same side of the valve island assembly 5 in the vertical direction as the compressor 21 and has a separation inlet and a separation outlet. The separation inlet is connected to the valve island assembly 5, and the separation outlet is connected to the return gas port. The projections of the valve island assembly 5 and the gas-liquid separator 4 and / or the compressor 21 on the horizontal plane at least partially overlap.

[0053] Specifically, the compressor 21, the valve island assembly 5, and the pipeline connected to the valve island assembly 5 are suitable for circulating refrigerant. The compressor 21 is suitable for providing power for the circulation of refrigerant in the whole system. It is suitable for drawing in low-temperature and low-pressure gaseous refrigerant through the return port, compressing it into high-temperature and high-pressure gaseous refrigerant, and then discharging it through the exhaust port.

[0054] For ease of description and understanding of the scheme, the valve island assembly 5 can be used as the boundary, with the compressor 21 located on the first side 501 of the valve island assembly 5 in the vertical direction, and the top pipe section 71 located on the second side 502 of the valve island assembly 5 in the vertical direction.

[0055] The second interface 221 is connected to the refrigeration components other than the reversing valve 22 outside the valve island assembly 5 through the second pipe 8. The second pipe 8 does not protrude from the top pipe section 71 in the vertical direction, so that at least one pipe in the integrated pipe of the valve island assembly 5 does not protrude from the top pipe section 71 of the first pipe 7 in the vertical direction. That is, the second pipe 8 does not protrude from the top pipe section 71 of the first pipe 7 in the vertical direction.

[0056] At this time, at least a portion of the second pipe 8 in the vertical direction can extend toward the compressor 21, that is, at least a portion of the second pipe 8 extends toward the first side 501 of the valve island assembly 5, so that the second pipe 8 and the compressor 21 overlap in the vertical placement space, reducing the space occupied by the second pipe 8 on the second side 502 of the valve island assembly 5; or, at least a portion of the second pipe 8 in the vertical direction can extend toward the top pipe section 71 and not protrude from the top pipe section 71 in the vertical direction, that is, at least a portion of the second pipe 8 extends toward the second side 502 of the valve island assembly 5 and is located between the top pipe section 71 and the valve island assembly 5, so that the second pipe 8 and the top pipe section 71 overlap in the vertical placement space, reducing the space occupied by the second pipe 8 on the second side 502 of the valve island assembly 5.

[0057] Specifically, the gas-liquid separator 4 is generally installed on the return gas path of the compressor 21. The gas-liquid separator 4 has a separation inlet and a separation outlet. The separation inlet is connected to a first interface 531 of the valve island assembly 5 through a second pipeline 8, and the separation outlet is connected to the return gas port. This separates the gaseous refrigerant flowing from the valve island body 51 to the return gas port of the compressor 21 from the liquid refrigerant. Generally, the gas-liquid separator 4 reduces the flow rate and uses gravity to separate and temporarily store any liquid refrigerant that may be mixed in with the gaseous refrigerant. The gaseous refrigerant separated by the gas-liquid separator 4 is transported to the compressor 21 through the return gas port. The liquid refrigerant in the gas-liquid separator 4 is slowly vaporized and then transported to the compressor 21 through the return gas port. The gas-liquid separator 4 is used to ensure that only pure gaseous refrigerant enters the compressor 21, preventing liquid slugging in the compressor 21 and ensuring its safety.

[0058] More specifically, such as Figure 6 As shown, the gas-liquid separator 4 and the compressor 21 are located on the same side of the valve island assembly 5 in the vertical direction, so that the placement space of the gas-liquid separator 4 and the compressor 21 overlaps in the vertical direction, thereby reducing the space occupied by the refrigeration components in the vertical direction.

[0059] Furthermore, in the vertical direction, the projections of the valve island assembly 5 onto the horizontal plane at least partially coincide with those of the gas-liquid separator 4 and / or compressor 21. The partial overlap between the projection of the valve island assembly 5 onto the horizontal plane and the projection of at least one of the gas-liquid separator 4 and compressor 21 makes the horizontal arrangement of the valve island assembly 5, gas-liquid separator 4, and compressor 21 more compact, thereby reducing the overall horizontal space occupied by the valve island assembly 5, gas-liquid separator 4, and compressor 21.

[0060] Of course, the projection of the valve island body 51 in the height direction can also overlap with the projection of other refrigeration components in the height direction, which can also achieve the effect of compact arrangement of multiple refrigeration components in the horizontal direction, and reduce the space occupied by the refrigeration components in the horizontal direction.

[0061] In some embodiments of this utility model, such as Figure 1 As shown, the air conditioner 100 also includes an expansion valve 24, which is generally an electronic expansion valve. It controls the flow rate of refrigerant entering other refrigeration components by controlling the opening of the corresponding flow channel, thereby achieving high efficiency, energy saving and precise temperature control.

[0062] like Figure 7 As shown, the vertical distance between the top surface of the expansion valve 24 and the valve island body 51 is S3, which satisfies: S3≤540mm.

[0063] Here, the vertical distance between the top surface of the expansion valve 24 and the valve island body 51 refers to the vertical distance between the free end face of the first interface 531 of the valve island body 51 and the top surface of the expansion valve 24 after the expansion valve 24 is connected to a first interface 531 of the valve island body 51. This distance satisfies S3 not greater than 540mm, so as to avoid the expansion valve 24 occupying too much space in the vertical direction. The expansion valve 24 can be limited to the height range of the top pipe section 71 without protruding, so that the vertical placement space of the expansion valve 24 and the top pipe section 71 overlaps, reducing the space occupied by the expansion valve 24 on the second side 502, improving the integration of the refrigeration components, and reducing the space occupied by the refrigeration components.

[0064] like Figure 7 As shown, the expansion valve 24 is disposed inside the housing 1 and connected to the valve island assembly 5 by a first connecting pipe 36. The expansion valve 24 is connected to the first interface 531 on the valve island assembly 5 through the first connecting pipe 36. The vertical length of the first connecting pipe 36 is L1, and satisfies: L1≤450mm. It can be understood that the vertical length of the first connecting pipe 36 can be 50mm, 100mm, 150mm, 200mm, 250mm, 300mm, 350mm, 400mm, or 450mm.

[0065] Specifically, the valve island assembly 5 is provided with multiple first interfaces 531, and the expansion valve 24 is provided with multiple third interfaces 243. The two ends of the first connecting pipe 36 extend into one first interface 531 and one third interface 243. The length of the first connecting pipe 36 refers to the length between the free end face of the first interface 531 connected to the first connecting pipe 36 and the free end face of the third interface 243 connected to the first connecting pipe 36, excluding the part of the first connecting pipe 36 that extends into the first interface 531 and the third interface 243.

[0066] If the materials at the connection points of the first connecting pipe 36 and the first interface 531 are different, a copper sleeve 25 needs to be installed at the first interface 531 to ensure the reliability of the connection between the first connecting pipe 36 and the valve island assembly 5. The length of the copper sleeve 25 is equal to the length of the first connecting pipe 36. Alternatively, if the materials at the connection points of the first connecting pipe 36 and the third interface 243 are different, a copper sleeve 25 needs to be installed at the third interface 243 to ensure the reliability of the connection between the first connecting pipe 36 and the expansion valve 24. The length of the copper sleeve 25 is equal to the length of the first connecting pipe 36. Or, if the materials at the connection points of the first connecting pipe 36 and both the first interface 531 and the third interface 243 are different, a copper sleeve 25 needs to be installed at both the first interface 531 and the third interface 243 to ensure the reliability of the connection between the first connecting pipe 36 and the expansion valve 24 and the valve island assembly 5. The lengths of the copper sleeves 25 at both ends of the first connecting pipe 36 are equal to the length of the first connecting pipe 36.

[0067] like Figure 7As shown, the extension direction of the first connecting pipe 36 is consistent with the vertical direction. The distance between the free end faces of the first interface 531 and the third interface 243 connected to the first connecting pipe 36 in the vertical direction is L1, which satisfies that L1 is not greater than 450mm. This further avoids the expansion valve 24 occupying too much space in the vertical direction. The expansion valve 24 can be limited to a height range that does not protrude from the top pipe section 71, so that the placement space of the expansion valve 24 and the top pipe section 71 overlaps in the height direction. This reduces the space occupied by the expansion valve 24 on the second side 502, improves the integration of the valve island assembly 5 and the expansion valve 24, and reduces the space occupied by the valve island assembly 5 and the expansion valve 24.

[0068] In some embodiments of this utility model, such as Figure 1 As shown, the valve island assembly 5 includes: multiple integrated valve islands and a plate heat exchanger 31. The multiple integrated valve islands include a first integrated valve island 54 and a second integrated valve island 57. The expansion valve 24 includes: a first expansion valve 241 and a second expansion valve 242. The first expansion valve 241 is integrated on the first integrated valve island 54, and the second expansion valve 242 is integrated on the second integrated valve island 57. The first integrated valve island 54 and the second integrated valve island 57 are both located on the same side of the vertical direction of the plate heat exchanger 31, and at least the first expansion valve 241 and the second expansion valve 242 are located within the projected outline of the plate heat exchanger 31 in the horizontal plane.

[0069] Specifically, the first expansion valve 241 is the main expansion valve, and the second expansion valve 242 is the enthalpy-increasing expansion valve. The first expansion valve 241 is integrated on the first integrated valve island 54, and the second expansion valve 242 is integrated on the second integrated valve island 57. The plate heat exchanger 31 has a first surface and a second surface that are arranged opposite to each other in its thickness direction. The first integrated valve island 54 and the second integrated valve island 57 are both arranged on the first surface of the plate heat exchanger 31 so that the first integrated valve island 54 and the second integrated valve island 57 can be stacked with the plate heat exchanger 31 to further improve the space occupation of the valve island assembly 5 and realize the integration of the plate heat exchanger 31 on the valve island assembly 5, which can further realize the compact setting of the valve island assembly 5.

[0070] Furthermore, the first expansion valve 241 and the second expansion valve 242 are both located within the projected outline of the plate heat exchanger 31 on the horizontal plane, i.e., the horizontal projection. This makes the flow channels of the first expansion valve 241 and the second expansion valve 242 closer to the plate heat exchanger 31, and the connection between the third interface 243 leading out from the flow channels of the first expansion valve 241 and the second expansion valve 242 and the plate heat exchanger 31 is easier. Moreover, protruding interfaces can be directly set on the first integrated valve island 54 and the second integrated valve island 57. The protruding interfaces can be inserted into the refrigerant inlet or refrigerant outlet of the plate heat exchanger 31 without the need for piping to achieve connection. This can further reduce the length and number of piping, thereby reducing costs and improving space utilization.

[0071] In some embodiments of this utility model, the length of the expansion valve connecting pipe between the first expansion valve 241 and the plate heat exchanger 31 is not less than 118 mm.

[0072] Specifically, the valve island body 51 is provided with multiple first interfaces 531. The first interfaces 531 are connected to the low-pressure valve 35, the high-pressure valve 34, and the reversing valve 22, and can also be connected to other refrigeration components. The multiple first interfaces 531 can be formed on the upper surface, lower surface, and side of the valve island body 51, and can at least partially protrude from the valve island body 51 to facilitate connection. The integration of multiple functional valves with the valve island body 51 can be achieved by integrating valve bodies of corresponding functional valves on the valve island body 51, with valve cores assembled to the valve island body 51, or by directly assembling the functional valves to the valve island assembly 5. On a portion of the first interface 531, or on the functional valve, a connecting sub-pipe is configured (different from the piping assembled later in the prior art, the connecting sub-pipe is used to realize the integration of the functional valve). The connecting sub-pipe is assembled to a portion of the first interface 531, and after the overall assembly is completed, it is further assembled into the housing 1. The valve island assembly 5 integrates at least a first expansion valve 241. The valve island assembly 5 can form a flow channel corresponding to the first expansion valve 241, which can reduce the number of piping and the length of piping, thereby reducing costs, reducing the number of solder joints, improving reliability, improving production efficiency, and improving flow resistance.

[0073] The housing 1 is provided with a partition, which is used to divide the housing 1 into a compressor chamber and a fan chamber that are separated in the horizontal direction. The fan chamber is equipped with a fan assembly, and the expansion valve 24, compressor 21, valve island assembly 5, electrical control assembly and reversing valve 22 are all installed in the compressor chamber.

[0074] Furthermore, the first expansion valve 241 is located above the plate heat exchanger 31, and the plate heat exchanger 31 is connected to the first expansion valve 241. The length of the expansion valve connecting pipe between the plate heat exchanger 31 and the first expansion valve 241 is greater than or equal to 118mm, such as 120mm or 125mm. This allows for a more reasonable distance between the plate heat exchanger 31 and the first expansion valve 241, and the size of the plate heat exchanger 31 itself can be set more reasonably. The refrigerant has a longer flow path in the plate heat exchanger 31, resulting in more complete heat exchange. The gap between the valve island assembly 5 and the partition can be fully utilized to arrange the plate heat exchanger 31 with a more reasonable size. The length of the expansion valve connecting pipe can be more reasonable, reducing the number of bends, thereby reducing the flow resistance of the refrigerant, improving pressure drop and pressure loss, reducing energy consumption, and improving the temperature regulation capability of the air conditioner 100.

[0075] like Figure 1 As shown, according to some embodiments of this application, the valve island assembly 5 includes a valve island body 51 and a valve island bracket 52. The air conditioner 100 also includes a support member, which is disposed inside the housing 1, and the valve island bracket 52 is mounted on the support member.

[0076] Specifically, the valve island support 52 can be constructed as a mounting plate, which can be assembled to the support member. The mounting plate can also be integrally formed with at least a part of the support member, such as: the support member is constructed as a gas-liquid separator 4, and the mounting plate is formed as at least a part of the end cap of the gas-liquid separator 4. A receiving groove can be formed on the mounting plate, and the plate heat exchanger 31 is disposed in the receiving groove. The upper surface of the mounting plate is flush with the first surface of the plate heat exchanger 31, and the two together define the "valve island plane". Multiple integrated valve islands can be disposed on the valve island plane to further improve the compactness of the valve island assembly 5 and reduce the difficulty of arrangement, thereby reducing the installation difficulty of the first integrated valve island 54, the second integrated valve island 57, and the plate heat exchanger 31 on the valve island support 52.

[0077] like Figure 1 As shown, at least a portion of the valve island support 52 is spaced apart from the valve island body 51 and together defines an installation area. The plate heat exchanger 31 is connected to the valve island body 51 and located within the installation area. The plate heat exchanger 31 and the reversing valve 22 are connected through the valve island body 51.

[0078] Specifically, the plate heat exchanger 31 is a high-efficiency heat exchanger made of stacked metal plates with a certain corrugated shape. Thin rectangular channels are formed between the various plates, and heat exchange is carried out through the plates. The plate heat exchanger 31 can be connected to the valve island body 51, so that the plate heat exchanger 31 can also be installed only on the valve island body 51, thereby isolating vibration.

[0079] Furthermore, the valve island body 51 is installed on the gas-liquid separator 4 via the valve island support 52, and at least a portion of the valve island support 52 is spaced apart from the valve island body 51, that is, the valve island body 51 is only partially connected to the valve island support 52 to connect to the gas-liquid separator 4, and another portion of the valve island body 51 can be spaced apart from the valve island support 52, so that the other portion of the valve island body 51 and the valve island support 52 can jointly define the installation area, and the plate heat exchanger 31 can be set in the installation area.

[0080] Thus, the valve island bracket 52 can support both the valve island body 51 and the plate heat exchanger 31, ensuring the reliable installation of both. It also allows the valve island body 51 and the plate heat exchanger 31 to be connected to the gas-liquid separator 4 only through the valve island bracket 52, thus isolating vibration, ensuring the reliability of the air conditioner 100, and improving the user experience. Furthermore, directly connecting the plate heat exchanger 31 to the valve island body 51 reduces piping, lowering installation costs, and increases integration, resulting in a lighter design.

[0081] In some embodiments, the valve island support 52 is connected to the gas-liquid separator 4 by welding, or the valve island support 52 is detachably connected to the gas-liquid separator 4. The valve island support 52 can be installed on the gas-liquid separator 4 by welding, which is convenient for installation. Alternatively, the valve island support 52 can be detachably installed on the gas-liquid separator 4 by means of connectors, such as bolts or rivets, which has low installation cost and facilitates later maintenance, saving maintenance time. Furthermore, the valve island support 52 and the gas-liquid separator 4 can be made of the same or different materials, which is flexible in terms of installation method.

[0082] In other embodiments, the valve island body 51 and the valve island support 52 are connected by welding, or the valve island body 51 and the valve island support 52 are detachably connected. The valve island body 51 can be installed on the valve island support 52 by welding, which is convenient for installation. Alternatively, the valve island body 51 can be detachably installed on the valve island support 52 by means of connectors, such as bolts or rivets, which has low installation cost and facilitates later maintenance, saving maintenance time. Furthermore, the valve island body 51 and the valve island support 52 can be made of the same or different materials, which is flexible in terms of installation method.

[0083] like Figure 1 As shown, according to some embodiments of this application, there is a first gap a between the valve island assembly 5 and the top plate of the housing 1. The first integrated valve island 54 is used to connect the reversing valve 22, which is located within the first gap a and at the end of the support.

[0084] Specifically, the first integrated valve island 54, the second integrated valve island 57, and the third integrated valve island 59 are all mounted on the valve island bracket 52, which is located at the top of the support member. A first gap a is formed between the upper surfaces of the first integrated valve island 54, the second integrated valve island 57, and the third integrated valve island 59 and the top plate of the housing 1. Figure 1 As shown in the diagram), the reversing valve 22 can be disposed on the first integrated valve island 54 and located within the first gap a.

[0085] In this way, on the one hand, the reversing valve 22 can be connected through the first integrated valve island 54, and the reversing valve 22 does not need to be set separately. The mounting structure is fixed in the compressor cavity, which can further reduce the assembly difficulty and improve the assembly efficiency. On the other hand, the piping length between the second interface 221 on the reversing valve 22 and the reversing valve interfaces on the first integrated valve island 54, the support, and other refrigerant components (i.e., the interfaces that are respectively connected to the four first interfaces 531 of the reversing valve 22) can be set to be shorter, and the degree of bending and the number of bends in the piping can be reduced. This not only reduces the piping length to reduce costs, but also further improves the flow resistance of the refrigerant, reduces energy loss, thereby reducing energy consumption and improving the temperature regulation capability and temperature regulation effect.

[0086] It is understandable that multiple integrated valve islands on valve island assembly 5 can be formed as installation platforms. Functional valves such as reversing valve 22 or refrigerant components (such as filter 92) can be directly fixed on valve island assembly 5. On the one hand, this can improve integration and rigidity, reduce vibration transmitted directly to the partition, facilitate the control of system noise, reduce operating noise, and shorten the length of the pipeline connecting some functional valves or refrigerant components to valve island assembly 5, thereby reducing refrigerant flow resistance, pressure loss, and pressure drop, which can improve the temperature regulation capability and energy efficiency ratio of air conditioner 100.

[0087] According to some embodiments of this application, the distance between the highest point of the pipeline connected to the reversing valve 22 and the top plate is L2, and satisfies: L2≥60mm.

[0088] Specifically, the pipeline leading out of the reversing valve 22 includes: a D-port connecting pipe leading upward and used to connect to the exhaust port of the compressor 21; an E-port connecting pipe and a C-port connecting pipe leading downward and respectively connected to the first integrated valve island 54; and an S-port connecting pipe leading downward and connected to the gas-liquid separator 4. The highest point of the connecting pipe leading out of the reversing valve 22 refers to the highest point of the D-port connecting pipe, and the distance between the highest point of the D-port connecting pipe and the top plate of the housing 1 should be greater than or equal to 60mm, such as 60mm, 100mm, etc.

[0089] This allows for a more reasonable length of the D-port connecting pipe, avoiding excessive length, thus improving space utilization, reducing costs, and providing more space above the valve island assembly 5 for accommodating other components within the compressor cavity. This enhances the expandability of the air conditioner 100, allowing for the addition of other functional modules within the space above the valve island assembly 5.

[0090] Combination Figure 3 As shown, according to some embodiments of this application, the multiple integrated valve islands further include: a third integrated valve island 59 for connecting the high-pressure valve 34, a first integrated valve island 54 for connecting the low-pressure valve 35, the first integrated valve island 54, the second integrated valve island 57 and the third integrated valve island 59 being arranged opposite to each other on the valve island bracket 52, and the first interface 531 including a high-pressure valve interface 341 and a low-pressure valve interface 55, the high-pressure valve interface 341 and the low-pressure valve interface 55 being led out from the same side of the valve island assembly 5.

[0091] Specifically, the air conditioner 100 may include refrigeration components such as an oil separator, a solenoid valve 33, a high-pressure valve 34, and a low-pressure valve 35. The first integrated valve island 54 is positioned in the middle of the valve island support 52, while the second integrated valve island 57 and the third integrated valve island 59 are positioned on either side of the first integrated valve island 54. The first integrated valve island 54, the second integrated valve island 57, and the third integrated valve island 59 can be arranged opposite each other on the valve island plane defined by the valve island support 52, so as to make full use of the space on the valve island plane and realize the first integrated valve island. 54. The compact arrangement of the second integrated valve island 57 and the third integrated valve island 59 allows the high-pressure valve interface 341 of the first integrated valve island 54 and the low-pressure valve interface 55 of the third integrated valve island 59 to be led out from the same side of the valve island assembly 5. This allows the high-pressure valve 34 and the low-pressure valve 35 to be set on the same side of the valve island assembly 5, avoiding the increased space occupation caused by setting the high-pressure valve 34 and the low-pressure valve 35 on different sides. This reduces the difficulty of layout and also makes the integration of the low-pressure valve 35 and the high-pressure valve 34 on the valve island assembly 5 easier.

[0092] See Figure 3 and Figure 4 As shown, according to some embodiments of this application, the first expansion valve 241 on the first integrated valve island 54 is located in the second gap b between the second integrated valve island 57 and the third integrated valve island 59.

[0093] Specifically, the second integrated valve island 57 and the third integrated valve island 59 can be disposed at both ends of the length of the plate heat exchanger 31, with a second gap b defined between them. The first integrated valve island 54 has a larger projected area toward the valve island plane, so that at least a part of the first integrated valve island 54 (i.e. the part that integrates the first expansion valve 241) can be located within the second gap b. This allows for a more compact arrangement of the first integrated valve island 54, the second integrated valve island 57, and the third integrated valve island 59, effectively reducing the space occupied by the valve island assembly 5.

[0094] Combination Figure 3 as well as Figure 4 As shown, according to some embodiments of this application, the low-pressure valve connecting pipe 91 for connecting the low-pressure valve 35 passes through the second gap b.

[0095] Specifically, the first integrated valve island 54 is provided with a low-pressure valve interface 55, which is located within the second gap b. The low-pressure valve connecting pipe 91 passes through the second gap b, with one end extending out to connect to the low-pressure valve 35. The second integrated valve island 57 is provided with a high-pressure valve interface 341. One end of the high-pressure valve connecting pipe is connected to the high-pressure valve interface 341, and the other end is connected to the high-pressure valve 34. The first expansion valve 241 is located between the low-pressure valve connecting pipe 91 and the high-pressure valve connecting pipe. The low-pressure valve connecting pipe 91 and the high-pressure valve connecting pipe extend substantially parallel to each other, so that there can be a larger arrangement gap between the low-pressure valve 35 and the high-pressure valve 34, avoiding interference between the low-pressure valve 35 and the high-pressure valve 34. Since the low-pressure valve connecting pipe 91 can be located at least partially within the second gap b, the compactness of the valve island assembly 5 can be further improved. Both the low-pressure valve connecting pipe 91 and the high-pressure valve connecting pipe can be constructed as straight pipes, making the connection easier, shorter in length, and more reliable.

[0096] like Figure 3 and Figure 4 As shown, according to some embodiments of this application, a first flow channel 581 and a second flow channel 582 are formed in the second integrated valve island 57. A filter 92 is provided on the first flow channel 581 and communicates with the plate heat exchanger 31. A second expansion valve 242 is provided on the second flow channel 582 and communicates with the plate heat exchanger 31.

[0097] Specifically, the second expansion valve 242 is an enthalpy-increasing expansion valve, while the first flow channel 581 and the second flow channel 582 are respectively connected to the main outlet and the enthalpy-increasing inlet of the plate heat exchanger 31. The main outlet is connected to the refrigerant heat dissipation pipe 94, and the other end of the refrigerant heat dissipation pipe 94 is connected to the main expansion valve of the second integrated valve island 57. The third integrated valve island 59 integrates a high-pressure valve 34, and the flow channel of the high-pressure valve 34 is connected to the main inlet of the plate heat exchanger 31. Another flow channel of the third integrated valve island 59, which is equipped with a filter 92, is connected to the enthalpy-increasing outlet and is connected to the enthalpy-increasing pipe 93. The second integrated valve island 57 is connected to the enthalpy-increasing port of the compressor 21, and is connected to the low-pressure valve 35, the main expansion valve 24, and the reversing valve 22. The reversing valve 22 is also connected to the gas-liquid separator 4 to define the complete main refrigerant flow path and the enthalpy-increasing branch refrigerant flow path. This allows the first flow channel 581 and the second flow channel 582 to be directly connected to the plate heat exchanger 31. The second expansion valve 242 is integrated in the second flow channel 582, and the filter 92 is integrated in the first flow channel 581, which can further achieve a compact design and reduce the number and length of piping.

[0098] In some embodiments of this utility model, such as Figure 1 As shown, the housing 1 includes a top plate and a bottom plate 11 arranged opposite each other in the vertical direction. The highest point of the refrigerant heat dissipation pipe 94 is spaced apart from the top plate, and the accommodating space is located above the highest point of the part of the pipe that is opposite to the valve island assembly 5. Multiple different flow paths can be integrated within the valve island assembly 5, that is, multiple refrigerant flow paths can be integrated through the valve island assembly 5. This can improve the integration degree of the refrigerant flow paths inside the valve island assembly 5, reduce the number of refrigerant pipes required by the air conditioner 100, and further reduce the installation space occupied by the refrigeration components by reducing the number of refrigerant pipes, thereby forming an accommodating space between the pipes and the top plate.

[0099] Therefore, by setting up the valve island assembly 5 and defining a receiving space between the pipe and the top plate, more flexible options can be provided for the internal layout of the housing 1. For example, some of the electronic control components can be placed in the receiving space, thereby reducing the difficulty of arranging components inside the housing 1 and improving the space utilization rate inside the housing 1. In addition, corresponding functional modules can be flexibly selected and installed in the receiving space according to the needs of the air conditioner 100, thereby improving the flexibility of the air conditioner 100's function adjustment. For example, an oxygen generation module can be added in the receiving space, enabling the air conditioner 100 to have the function of supplying oxygen to the room, etc.

[0100] According to some embodiments of this utility model, such as Figure 1As shown, the top pipe section 71 and the valve island body 51 are arranged at a distance in the vertical direction; the air conditioner 100 also includes an expansion valve 24, which is located on the side of the valve island assembly 5 in the vertical direction where the top pipe section 71 is located. The maximum distance between the expansion valve 24 and the valve island assembly 5 in the vertical direction is less than the maximum distance between the top pipe section 71 and the valve island assembly 5 in the vertical direction.

[0101] The expansion valve 24 is located on the second side 502 and is arranged in the arrangement space. The arrangement space defined between the top pipe section 71 and the valve island body 51 overlaps with the vertical placement space of the top pipe section 71. By placing the expansion valve 24 in the arrangement space so that the vertical placement space of the expansion valve 24 overlaps with that of the top pipe section 71, there is no need to reserve additional vertical placement space for the expansion valve 24. This can reduce the space required for the vertical arrangement of the expansion valve 24 and improve the integration of the valve island assembly 5, the reversing valve 22 and the expansion valve 24, thereby reducing the space occupied by the valve island assembly 5, the reversing valve 22 and the expansion valve 24.

[0102] In some embodiments of this utility model, a partition is provided inside the housing 1, and the air conditioner 100 also includes an electronic control component. The partition is used to divide the housing 1 into a compressor chamber and a fan chamber that are spaced apart in the horizontal direction. A fan assembly is installed in the fan chamber. The compressor 21, valve island assembly 5, electronic control component and reversing valve 22 are all installed in the compressor chamber. The top pipe section 71 is provided with a clearance structure 72, which is used to avoid the electronic control component.

[0103] Specifically, an installation space is formed inside the housing 1, and a partition can divide the installation space into a fan chamber and a compressor chamber. A fan assembly can be installed in the fan chamber. The fan assembly is equipped with a drive motor, fan blades, and a heat exchanger. The drive motor can drive the fan blades to rotate, and the fan blades can dissipate heat and cool the heat exchanger when they rotate, so as to ensure the stability of the heat exchanger operation. The compressor 21, valve island assembly 5, electrical control assembly and reversing valve 22 are all installed in the compressor chamber.

[0104] Thus, the fan chamber and the compressor chamber can be separated by a partition, so that when the drive motor, fan blades and compressor 21 are running, the partition can block the vibration between the fan chamber and the compressor chamber, so as to avoid interference between the structure in the fan chamber and the structure in the compressor chamber, and ensure the reliability of the air conditioner 100.

[0105] In some embodiments, the partition can be connected to the housing 1 by means of connectors or welding, and the connectors can be bolts, etc., which are simple in structure, convenient to install and have low installation cost.

[0106] In some embodiments, the compressor 21 and the gas-liquid separator 4 are arranged side by side in the compressor cavity and are both mounted and supported on the bottom wall of the housing 1.

[0107] Specifically, the compressor cavity is equipped with a compressor 21 and a gas-liquid separator 4, which are spaced apart and arranged side by side within the compressor cavity. This avoids interference between the compressor 21 and the gas-liquid separator 4, ensuring the reliability of their operation. Both the compressor 21 and the gas-liquid separator 4 are mounted and supported on the bottom wall of the housing 1. The compressor 21 can be detachably mounted on the bottom wall of the housing 1 via connectors, facilitating maintenance and replacement of the compressor 21. Similarly, the gas-liquid separator 4 can also be detachably mounted on the bottom wall of the housing 1 via connectors, facilitating maintenance and replacement of the gas-liquid separator 4. This saves on the maintenance time and costs of the air conditioner 100 in the later stages of maintenance.

[0108] In some embodiments, such as Figure 1 As shown, the compressor 21 and the gas-liquid separator 4 are both located below the valve island assembly 5. The top of the gas-liquid separator 4 is connected to the valve island assembly 5, and the top of the compressor 21 is spaced apart from the valve island assembly 5 to jointly define the partition space.

[0109] Specifically, the valve island assembly 5 is installed on top of the gas-liquid separator 4, and the length of the compressor 21 is set to be less than the length of the gas-liquid separator 4, so that the compressor 21 and the gas-liquid separator 4 can both be arranged below the valve island assembly 5, and the top of the compressor 21 is spaced apart from the valve island assembly 5, that is, there is a height difference between the top of the compressor 21 and the top of the gas-liquid separator 4, which can define a partition space, so that the valve island assembly 5 can be located in the partition space, and the vertical projection of the valve island assembly 5 overlaps at least partially with the vertical projection of the compressor 21, which can improve the utilization rate of the space inside the compressor cavity, thereby reducing the space occupied by the air conditioner 100 and improving the lightweight of the air conditioner 100.

[0110] The electronic control component can receive instructions from components such as the control panel, and can collect temperature data from the sensors to adjust the working status of the air conditioner 100.

[0111] like Figure 1 As shown, the reversing valve 22 is located above the compressor 21, and the upper end of the first pipeline 7 defines a clearance structure 72 for avoiding the electronic control components. While the first pipeline 7 connects the reversing valve 22 and the exhaust port of the compressor 21, it can provide sufficient installation space for the electronic control components, making the layout of the compressor cavity more reasonable.

[0112] Meanwhile, the first pipe 7 is separated from the electronic control component. When the air conditioner 100 is working, the compressor 21 vibrates, which drives the first pipe 7 to vibrate. There is no direct connection between the first pipe 7 and the electronic control component, so as to avoid the vibration of the electronic control component caused by the vibration of the first pipe 7, and to avoid damage to the precision circuit inside the electronic control component due to vibration.

[0113] In some embodiments, the electronic control component is disposed inside the compressor cavity. The electronic control component may be installed on the front side panel of the housing 1, or on the side panel of the housing 1, or on the partition of the housing 1.

[0114] In this embodiment, the electronic control component is located inside the compressor cavity and connected to the partition. The upper end of the first pipeline 7 facing the fan cavity defines a clearance structure 72 to avoid the electronic control component. While the first pipeline 7 connects the reversing valve 22 and the exhaust port of the compressor 21, it can provide sufficient installation space for the electronic control component, making the layout of the compressor cavity more reasonable.

[0115] In some embodiments, such as Figure 2 As shown, the air conditioner 100 also includes: a gas separator mounting bracket 6, and the gas-liquid separator 4 is detachably connected to the bottom wall of the housing 1 through the gas separator mounting bracket 6.

[0116] Specifically, the air conditioner 100 is also provided with a gas separator mounting bracket 6, which is installed at the bottom of the gas-liquid separator 4. The gas-liquid separator 4 can be detachably connected to the bottom wall of the housing 1 through the gas separator mounting bracket 6. That is, the gas-liquid separator 4 can be connected to the gas separator mounting bracket 6 through connectors, and the gas separator mounting bracket 6 can also be connected to the bottom wall of the housing 1 through connectors. This makes the gas-liquid separator 4 detachable from the bottom wall of the housing 1, which facilitates the later maintenance of the gas-liquid separator 4. Furthermore, the connection between the gas-liquid separator 4 and the bottom wall of the housing 1 through the gas separator mounting bracket 6 reduces the contact area between the gas-liquid separator 4 and the housing 1, thereby reducing the vibration transmitted from the gas-liquid separator 4 to the housing 1, reducing the noise generated during the operation of the air conditioner 100, and improving the user experience.

[0117] In some embodiments, such as Figure 2 As shown, the gas separator mounting bracket 6 includes a top mounting plate 61, a middle plate 62, and a bottom mounting plate 63. The top mounting plate 61 and the bottom mounting plate 63 are spaced apart and opposite to each other and connected to the two ends of the middle plate 62. The bottom of the gas-liquid separator 4 is supported by the top mounting plate 61, and the bottom mounting plate 63 is supported by the bottom wall of the housing 1.

[0118] Specifically, the gas-liquid separator 4 can be detachably connected to the bottom wall of the housing 1 via the gas separation mounting bracket 6. As shown in the figure, the gas separation mounting bracket 6 is provided with a top mounting plate 61, a middle plate 62, and a bottom mounting plate 63. The top mounting plate 61 and the bottom mounting plate 63 are both arranged along the second direction and are spaced apart in the vertical direction. The middle plate 62 extends in the vertical direction, and the upper and lower ends of the middle plate 62 are respectively connected to the top mounting plate 61 and the bottom mounting plate 63. The bottom of the gas-liquid separator 4 is detachably connected and supported by the top mounting plate 61, and the bottom mounting plate 63 is detachably connected and supported by the bottom wall of the housing 1.

[0119] By arranging the top mounting plate 61 and the bottom mounting plate 63 along the second direction, the contact area between the top mounting plate 61 and the bottom of the gas-liquid separator 4 can be increased, as can the contact area between the bottom mounting plate 63 and the bottom wall of the housing 1, ensuring the reliability of the support. Furthermore, by extending the intermediate plate 62 in the vertical direction, the connection area between the intermediate plate 62 and the top mounting plate 61 and the bottom mounting plate 63 can be reduced, thereby reducing the transmission of vibration, reducing the noise generated by the air conditioner 100 during operation, and improving user comfort.

[0120] In addition, a gas separator mounting bracket 6 is provided at the bottom of the gas-liquid separator 4, so that there is a height difference between the top of the gas-liquid separator 4 and the top of the compressor 21. This allows the valve island assembly 5 to be staggered from the top of the compressor 21, avoiding interference between the structures and ensuring the operational reliability of each structure. Both the mounting top plate 61 and the mounting bottom plate 63 are provided with second limiting flanges. The second limiting flange of the mounting top plate 61 can limit the gas-liquid separator 4 to ensure installation reliability, and the second limiting flange of the mounting bottom plate 63 can improve the structural strength of the mounting bottom plate 63 to ensure the reliability of the support for the gas-liquid separator 4.

[0121] In some embodiments, such as Figure 1 As shown, the air conditioner 100 also includes an oil-gas separator 32, a reversing valve 22, an expansion valve 24, a solenoid valve 33, a high-pressure valve 34, and a low-pressure valve 35. The oil-gas separator 32, the reversing valve 22, the expansion valve 24, the solenoid valve 33, the high-pressure valve 34, and the low-pressure valve 35 are all connected to the valve island assembly 5.

[0122] Specifically, the oil-gas separator 32 can separate the refrigeration oil discharged from the compressor 21 and return it to the compressor 21 through the oil return line, ensuring the reliability of the compressor 21 operation. The oil-gas separator 32 can be connected to the compressor 21 and the reversing valve 22 respectively.

[0123] Furthermore, the reversing valve 22 can be used to switch between cooling and heating modes and change the refrigerant flow direction. In cooling mode, the reversing valve 22 can be connected to the plate heat exchanger 31. At this time, the plate heat exchanger 31 can act as a condenser, where high-temperature and high-pressure gas releases heat and condenses into a high-pressure liquid. In heating mode, the reversing valve 22 can be connected to the indoor unit of the air conditioner. At this time, the plate heat exchanger 31 acts as an evaporator, where low-temperature and low-pressure liquid absorbs heat and vaporizes. The plate heat exchanger 31 is also connected to the expansion valve 24, which can throttle and reduce pressure, regulate the refrigerant flow, and ensure the reliable operation of the air conditioner 100.

[0124] Furthermore, the high-pressure valve 34 can connect to the high-pressure pipeline between the outdoor unit and the indoor unit of the air conditioner, and is usually located at the outlet of the plate heat exchanger 31 or the expansion valve 24. The low-pressure valve 35 connects to the low-pressure pipeline between the outdoor unit and the indoor unit of the air conditioner 100, and is usually connected to the reversing valve 22 or the gas-liquid separator 4. The gas-liquid separator 4 can store excess refrigerant to prevent liquid refrigerant from entering the compressor 21 and ensure the reliable operation of the compressor 21. In addition, the solenoid valve 33 can be set as a single-way solenoid valve 33. The single-way solenoid valve 33 can control the flow of refrigerant, such as cutting off part of the circuit during defrosting. The single-way solenoid valve 33 can be connected in series in the high-pressure pipeline or the bypass pipeline to increase the application scenarios of the air conditioner 100.

[0125] In some embodiments of this utility model, the high-pressure valve and the high-pressure valve interface 341 are connected by a high-pressure valve connecting pipe, the length of which is L3 and satisfies: L3≥110mm.

[0126] Specifically, the valve island body 51 needs to have at least one first interface 531 that communicates with the low-pressure valve 35, the high-pressure valve 34, and the reversing valve 22. Multiple first interfaces 531 can be formed on the upper surface, lower surface, and side surface of the valve island body 51, and can be at least partially protruding relative to the valve island body 51 to facilitate connection. After the valve island assembly 5 is fully assembled, it is further assembled into the compressor cavity. The valve island assembly 5 integrates at least the high-pressure valve 34. The valve island assembly 5 can form a flow channel corresponding to the high-pressure valve 34 inside, which can reduce the number and length of piping, thereby reducing costs, reducing the number of welding points, improving reliability, improving production efficiency, and improving flow resistance.

[0127] Furthermore, the high-pressure valve connecting pipe is located at one end of the length of the plate heat exchanger 31, and the interface connecting the plate heat exchanger 31 and the high-pressure valve 34 is located at the other end of the length. The length of the high-pressure valve connecting pipe between the plate heat exchanger 31 and the high-pressure valve is greater than or equal to 110mm, such as 110mm or 120mm. This allows for a more reasonable distance between the plate heat exchanger 31 and the valve island assembly 5, and the dimensions of the plate heat exchanger 31 can be set more reasonably. The refrigerant has a longer flow path in the plate heat exchanger 31, resulting in more complete heat exchange. The gap between the valve island assembly 5 and the partition can be fully utilized to arrange the plate heat exchanger 31 with a more reasonable size. The length of the high-pressure valve connecting pipe can be more reasonable, reducing the number of bends, thereby reducing the flow resistance of the refrigerant, improving pressure drop and pressure loss, reducing energy consumption, and improving the temperature regulation capability of the air conditioner 100.

[0128] Other configurations and operations of the air conditioner 100 according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0129] 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.

[0130] 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 conditioner, characterized in that, include: case; A valve island assembly, which is installed within the housing; A reversing valve is disposed within the housing, and a connecting pipe connects the reversing valve to the valve island assembly. The length of the connecting pipe is S1, and it satisfies: S1≤400mm; And / or, the distance between the axis of the reversing valve and the valve island assembly is S2, and satisfies: S2≤420mm.

2. The air conditioner according to claim 1, characterized in that, The connecting pipe extends vertically.

3. The air conditioner according to claim 1, characterized in that, There are two connecting pipes. One end of each connecting pipe is connected to one of the two first interfaces on the valve island assembly, and the other end is connected to one of the two second interfaces on the reversing valve.

4. The air conditioner according to claim 1, characterized in that, Also includes: An expansion valve is provided inside the housing and connected to the valve island assembly by a first connecting pipe. The length of the first connecting pipe in the vertical direction is L1, and satisfies: L1≤450mm.

5. The air conditioner according to claim 4, characterized in that, The valve island assembly includes: multiple integrated valve islands and a plate heat exchanger. The multiple integrated valve islands include a first integrated valve island and a second integrated valve island. The expansion valve includes: a first expansion valve and a second expansion valve. The first expansion valve is integrated on the first integrated valve island, and the second expansion valve is integrated on the second integrated valve island. The first integrated valve island and the second integrated valve island are both located on the same side of the vertical direction of the plate heat exchanger, and at least the first expansion valve and the second expansion valve are located within the projected outline of the plate heat exchanger in the horizontal plane.

6. The air conditioner according to claim 1, characterized in that, The valve island assembly includes a valve island body and a valve island bracket. The valve island body is disposed on the valve island bracket. The air conditioner also includes a support member, which is disposed inside the housing, and the valve island bracket is mounted on the support member.

7. The air conditioner according to claim 1, characterized in that, There is a first gap between the valve island assembly and the top plate of the housing, and the reversing valve is located within the first gap.

8. The air conditioner according to claim 7, characterized in that, The distance between the highest point of the pipeline connected to the reversing valve and the top plate is L2, and satisfies: L2≥60mm.

9. The air conditioner according to claim 1, characterized in that, Also includes: The compressor has an exhaust port, and the reversing valve is connected to the exhaust port via a first pipeline. The first pipeline has a top pipe section located above the reversing valve, and the connecting pipeline does not protrude from the top pipe section in the vertical direction.

10. The air conditioner according to claim 9, characterized in that, The top pipe section and the valve island assembly are vertically spaced apart. The air conditioner also includes an expansion valve, which is located on the side of the valve island assembly in the vertical direction where the top pipe section is located. The maximum vertical distance between the expansion valve and the valve island assembly is less than the maximum vertical distance between the top pipe section and the valve island assembly.

11. The air conditioner according to claim 9, characterized in that, The housing is provided with a partition, and the air conditioner also includes an electronic control component. The partition is used to divide the housing into a compressor chamber and a fan chamber that are spaced apart in the horizontal direction. A fan assembly is installed in the fan chamber. The compressor, the valve island assembly, the electronic control component and the reversing valve are all installed in the compressor chamber. The top pipe section is provided with a clearance structure, which is used to avoid the electronic control component.

12. The air conditioner according to claim 9, characterized in that, The compressor also has a return air port; The air conditioner also includes: A gas-liquid separator having a separation inlet and a separation outlet, the separation inlet being connected to the valve island assembly, and the separation outlet being connected to the return gas port; wherein: The valve island assembly at least partially overlaps with the projection of the gas-liquid separator and / or the compressor on the horizontal plane.

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