Expansion valve assembly and air conditioner

Abstract

The embodiment of the utility model provides an expansion valve assembly and an air conditioner. The expansion valve assembly comprises an expansion valve body and at least two switching assemblies. The expansion valve body comprises an expansion valve structure and at least two pipe connecting parts, the pipe connecting parts are connected with the expansion valve structure, and the at least two pipe connecting parts are arranged in a first plane. The adapter assembly comprises a pipe joint, a filter and an adapter pipe group, the adapter pipe group is connected with the pipe joint and the pipe connecting part, and the filter is arranged on a flowing path of a fluid medium of the adapter pipe group. And the pipe joints and the filters of the two switching assemblies are positioned on the same side of the first plane. In the projection of the first plane, the two switching assemblies are arranged in the first direction, and the pipe joints of the two switching assemblies are oppositely arranged in the first direction. In this way, the space on the same side of the first plane can be used for pipe distribution, and the distance between the two pipe joints in the first direction can be shortened.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, and more particularly to an expansion valve assembly and an air conditioner. Background Technology

[0002] As users' demands for air conditioners increase, they no longer want air conditioners to disrupt their interior design and require indoor units to be installed in confined spaces such as ceilings. Related technologies involve externalizing the expansion valve of the indoor unit to reduce its size; however, external expansion valves require more space, making them inconvenient for installation in limited spaces. Summary of the Invention

[0003] In view of this, the present application aims to provide an expansion valve assembly and an air conditioner to reduce the installation space required for an external expansion valve and improve the ease of installation of the expansion valve.

[0004] The first aspect of this application provides an expansion valve assembly, including:

[0005] An expansion valve body includes an expansion valve structure and at least two connecting pipes, the connecting pipes being connected to the expansion valve structure, and the at least two connecting pipes being arranged in a first plane;

[0006] At least two adapter components, each adapter component including a pipe fitting, a filter, and an adapter assembly, the adapter assembly connecting the pipe fitting and the pipe section, the filter being disposed in the flow path of the fluid medium in the adapter assembly;

[0007] Wherein, the pipe joints and the filter of the two adapter assemblies are located on the same side of the first plane;

[0008] In the projection of the first plane, the two adapter components are arranged along the first direction, and the pipe joints of the two adapter components are arranged opposite to each other in the first direction.

[0009] In some implementations, in the orthographic projection of the first plane, the distance from the pipe joint to the expansion valve structure in the second direction is less than the distance from the filter to the expansion valve structure in the second direction, wherein the first direction and the second direction are perpendicular.

[0010] In some implementations, in the orthographic projection of the first plane, the distance between the projections of the two filters in the first direction does not exceed the distance between the projections of the two connectors in the first direction.

[0011] In some implementations, the projection of the filter onto the first plane at least partially overlaps with the projection of the connector.

[0012] In some implementations, the distance between the two pipe fittings in the first direction is no more than 150 mm in the projection of the first plane.

[0013] In some implementations, in the projection of the first plane, the distance between any one of the pipe fittings and the expansion valve structure in the second direction does not exceed 50 mm;

[0014] The second direction is perpendicular to the first direction.

[0015] In some implementations, the adapter assembly includes a bend and a U-shaped pipe. The filter is arranged along a second direction, and the interface of the connector faces a first side of the second direction. One end of the first bend is connected to the pipe joint, and the other end is bent toward the first side of the second direction and connected to the end of the filter near the expansion valve structure. The U-shaped pipe connects the connector and the end of the filter away from the expansion valve structure.

[0016] In some embodiments, the expansion valve assembly includes a housing, in which the expansion valve body, the filter, and the adapter assembly are all disposed;

[0017] The pipe fittings of the at least two adapter components are at least partially located outside the housing and on opposite sides of the housing in the first direction, and the pipe fittings are formed with connecting ears that are connected to the housing.

[0018] In some embodiments, the expansion valve assembly includes a suspension member disposed outside the housing, the suspension member being used to establish a connection between the housing and the object to be installed.

[0019] A second aspect of this application provides an air conditioner including the expansion valve assembly described in any of the above embodiments.

[0020] In some implementations, the air conditioner includes:

[0021] Outdoor unit;

[0022] Indoor unit;

[0023] The first pipeline and the second pipeline are provided, and the expansion valve assembly is disposed in the first pipeline. The expansion valve assembly is arranged at intervals with the indoor unit and the outdoor unit, respectively.

[0024] In some implementations, the first conduit is located below the second conduit.

[0025] The expansion valve assembly and air conditioner provided in this application embodiment, by setting both the pipe joint and the filter on one side of the first plane where the pipe connection is located, can utilize the space on the same side of the first plane for pipe laying, thereby shortening the distance between the two pipe joints in the first direction and reducing the operating space required for installers to connect the two pipe joints to the refrigerant circulation loop, thus improving the ease of installation of the expansion valve assembly. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the expansion valve assembly according to the first embodiment of this application;

[0027] Figure 2 for Figure 1 A structural diagram omitting the box body;

[0028] Figure 3 for Figure 1 A schematic diagram of the expansion valve assembly connected to the first pipeline;

[0029] Figure 4 for Figure 3 A schematic diagram from another perspective.

[0030] Explanation of reference numerals in the attached figures

[0031] 1. Expansion valve assembly; 11. Expansion valve body; 111. Expansion valve structure; 112. Connecting pipe section; 12. Adapter assembly; 121. Pipe fitting; 121a. Connecting lug; 122. Adapter pipe assembly; 122a. Bend; 122b. U-shaped pipe; 13. Filter; 14. Box body; 141. Housing; 142. Cover; 15. Insulation component; 16. Hanging component; 2. Indoor unit; 3A. First pipeline; 3B. Second pipeline. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0033] The specific technical features described in the specific embodiments can be combined in any suitable manner without contradiction. For example, different combinations of specific technical features can form different embodiments and technical solutions. To avoid unnecessary repetition, the various possible combinations of the specific technical features in this application will not be described separately.

[0034] In the following description, the terms "first," "second," etc., are used merely to distinguish different objects and do not indicate that the objects have the sameness or relationship. It should be understood that the directional descriptions "above," "below," "outside," and "inside" refer to the orientation under normal use conditions, while "left" and "right" refer to the left and right directions shown in the corresponding diagrams, which may or may not be the left and right directions under normal use conditions.

[0035] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. "A plurality of" means two or more.

[0036] This application provides an expansion valve assembly 1.

[0037] It should be noted that the expansion valve assembly 1 is used in the refrigerant circulation loop. The expansion valve assembly 1 can reduce the pressure of the high-pressure liquid refrigerant from the condenser to low-pressure liquid-gas refrigerant through the narrow valve orifice, thereby lowering the temperature of the refrigerant and making it easier for the refrigerant to enter the evaporator for evaporation and heat absorption.

[0038] Please refer to Figure 1 and Figure 2 The expansion valve assembly 1 includes an expansion valve body 11 and at least two adapter assemblies 12.

[0039] Please refer to Figure 1 and Figure 2 The expansion valve body 11 includes an expansion valve structure 111 and at least two connecting parts 112. The connecting parts 112 are connected to the expansion valve structure 111, and the aforementioned at least two connecting parts 112 (i.e., all connecting parts 112) are arranged in a first plane. It can be understood that all connecting parts 112 are connected to the expansion valve structure 111 and are all arranged in the first plane. The arrangement of the connecting parts 112 is reasonable and the structure is compact.

[0040] It should be noted that the above-mentioned arrangement of at least two connectors 112 (i.e. all connectors 112) in the first plane means that the center line of the connector 112 is located in the first plane. The center line of the connector 112 can be a straight line or a curve in the first plane.

[0041] In this embodiment, two connection ports 112 are used as an example for explanation. Refrigerant enters the expansion valve structure 111 from one of the connection ports 112, and refrigerant flowing through the expansion valve structure 111 is discharged from the other connection port 112.

[0042] Please refer to Figure 1 and Figure 2 The adapter assembly 12 includes a pipe connector 121, a filter 13, and an adapter pipe assembly 122. The adapter pipe assembly 122 connects the pipe connector 121 and the pipe fitting 112. The filter 13 is disposed on the flow path of the fluid medium in the adapter pipe assembly 122.

[0043] It should be noted that there is a one-to-one mapping relationship between the adapter component 12 and the connector 112, that is, one connector 112 corresponds to one adapter component 12.

[0044] Understandably, filter 13 can intercept impurities carried by the refrigerant, ensuring the stable operation of expansion valve structure 111 and extending the service life of expansion valve structure 111.

[0045] It should be noted that the specific type of filter 13 is not limited. For example, filter 13 can be a metal mesh filter, a desiccant filter, or a centrifugal filter.

[0046] It is understood that all the adapter components 12 are connected to the expansion valve structure 111 through the pipe fitting 112, and the pipe fitting 121 in the adapter component 12 is used to connect to the pipeline.

[0047] For example, the pipe fitting 121 is provided with external threads, and the part of the pipe used to connect with the pipe fitting 121 is provided with internal threads, and the pipe fitting 121 and the pipe are threadedly connected.

[0048] In this configuration, the pipe joints 121 and the filter 13 of the two adapter assemblies 12 are located on the same side of the first plane. Thus, the pipe joints 121 and the filter 13 are not in the same plane as the connecting pipe 112, which helps to reduce the size of the projection of the expansion valve assembly 1 onto the first plane, making the structure of the expansion valve assembly 1 more compact.

[0049] In the projection of the first plane, the two adapter components 12 are arranged along the first direction, and the pipe joints 121 of the two adapter components 12 are arranged opposite to each other in the first direction.

[0050] It should be noted that the aforementioned opposite arrangement refers to the fact that the pipe joints 121 of the two adapter components 12 are arranged in a direction away from each other in the first direction.

[0051] It is understandable that the two pipe fittings 121 are arranged opposite each other in the first direction, so as to facilitate the connection of the pipe fittings 121 with the pipeline in the first direction.

[0052] In related technologies, when piping for an expansion valve assembly is bent within a plane—for example, when the piping is bent back and forth perpendicular to its length—the distance between the pipe joints at both ends of the expansion valve assembly in the first direction is relatively large. This requires a significant amount of operating space for installers to connect the expansion valve assembly to the refrigerant circulation loop, making installation inconvenient. For instance, in applications where the expansion valve assembly is used in central air conditioning systems, the assembly and some piping are located within the ceiling. When connecting or repairing the pipes, the large distance between the pipe joints at both ends in the first direction means that a single ceiling window may not be large enough to access the joints, potentially requiring drilling holes in the ceiling and damaging the ceiling structure.

[0053] The expansion valve assembly 1 provided in this application embodiment, by setting both the pipe joint 121 and the filter 13 on one side of the first plane where the pipe connection part 112 is located, can utilize the space on the same side of the first plane for pipe laying, thereby shortening the distance between the two pipe joints 121 in the first direction and reducing the operating space required for installers to connect the two pipe joints 121 to the refrigerant circulation loop, thus improving the ease of installation of the expansion valve assembly 1.

[0054] The application scenarios of the expansion valve assembly 1 in this application embodiment are not limited, such as heat pump dryers, refrigerators, air conditioners, etc.

[0055] In this embodiment, the expansion valve assembly 1 is used as an example in an air conditioner.

[0056] This application provides an air conditioner, including an expansion valve assembly 1 according to any embodiment of this application.

[0057] For example, please refer to Figure 3 The air conditioner also includes an indoor unit 2, an outdoor unit (not shown in the figure), a first pipe 3A, and a second pipe 3B. It is understood that both the first pipe 3A and the second pipe 3B are connected to the indoor unit 2 and the outdoor unit to form a refrigerant circulation loop.

[0058] Expansion valve assembly 1 is installed in the first pipeline 3A. High-pressure liquid refrigerant flows into expansion valve assembly 1 in the first pipeline 3A upstream of expansion valve assembly 1. After being throttled and depressurized by expansion valve assembly 1, it becomes low-temperature, low-pressure gas-liquid two-phase refrigerant and flows into the first pipeline 3A downstream of expansion valve assembly 1.

[0059] The expansion valve assembly 1 is arranged separately from the indoor unit 2 and the outdoor unit. In other words, the expansion valve assembly 1 is an external expansion valve assembly, which is neither integrated into the indoor unit 2 nor the outdoor unit. This not only reduces the size of the indoor unit 2, making it easier to place in small spaces such as inside the ceiling, but also facilitates the replacement or maintenance of the expansion valve assembly 1.

[0060] In related technologies, the working principle of a refrigeration system is as follows: The compressor draws in low-pressure gaseous refrigerant, compresses it, and discharges it as high-pressure gas. The discharged high-pressure gaseous refrigerant enters the condenser, where it is cooled and condensed into a high-pressure liquid by the ambient air around the condenser (simultaneously transferring heat to the surrounding air). In other words, the air around the condenser is heated. The high-pressure liquid refrigerant flows through a throttling device to reduce pressure, becoming a low-pressure, low-temperature gas-liquid two-phase mixture. This mixture enters the evaporator, where the liquid refrigerant evaporates and cools (simultaneously absorbing heat from the surrounding air). In other words, the air around the evaporator is cooled. The resulting low-pressure gaseous refrigerant flows through a gas-liquid separator and is then drawn back into the compressor for pressurization. This cycle repeats continuously, achieving heat exchange.

[0061] It should be noted that when indoor unit 2 is in heating mode, the heat exchanger inside indoor unit 2 is an evaporator, and the heat exchanger inside outdoor unit 2 is a condenser. When indoor unit 2 is in cooling mode, the heat exchanger inside indoor unit 2 is a condenser, and the heat exchanger inside outdoor unit 2 is an evaporator.

[0062] For example, please refer to Figure 3 The first pipe 3A is located below the second pipe 3B. It can be understood that in the refrigerant circulation loop, the refrigerant flowing in the first pipe 3A is either liquid or a two-phase gaseous mixture, while the refrigerant flowing in the second pipe 3B is gaseous. The first pipe 3A being located below facilitates the flow of liquid refrigerant in the first pipe 3A, while the second pipe 3B being located above facilitates the flow of gaseous refrigerant in the second pipe 3B. Furthermore, gravity reduces the inflow of unevaporated liquid refrigerant into the second pipe 3B, thus ensuring the efficiency of refrigerant evaporation and refrigeration.

[0063] It should be noted that the first pipe 3A refers to the general term for the pipes that guide the flow of refrigerant. The first pipe 3A includes at least two pipe sections, and the expansion valve assembly 1 connects the two pipe sections. The second pipe 3B refers to the general term for the pipes that guide the flow of refrigerant. The second pipe 3B can be a single pipe section or multiple pipe sections connected together.

[0064] It should be noted that the up and down directions are... Figure 3 The second direction in.

[0065] It should be noted that the specific distance between the two pipe fittings 121 is not limited.

[0066] In some embodiments, please refer to Figure 1In the projection of the first plane, the distance between the two pipe joints 121 in the first direction (hereinafter referred to as D1) does not exceed 150mm (mm, millimeters), that is, D1≤150mm, for example, D1 is 150mm, 140mm, 130mm, 120mm, 110mm or 100mm, etc. In this way, the distance between the two pipe joints 121 in the first direction is reasonable, and when the installer connects the expansion valve assembly 1 to the first pipeline 3A, the installation space required by the installer is reasonable, which makes it convenient for the installer to install through narrow spaces such as the inspection port in the ceiling, thereby improving the installation convenience of the expansion valve assembly 1.

[0067] It should be noted that the distance D1 between the two pipe connectors 121 in the first direction refers to the distance between the ports of the two pipe connectors 121 used to connect to the first management port, such as... Figure 1 As shown in the D1 label.

[0068] In some embodiments, please refer to Figure 1 In the orthographic projection of the first plane, the distance between the projections of the two filters 13 in the first direction (hereinafter referred to as D2) does not exceed the maximum distance between the projections of the two connecting parts 112 in the first direction (hereinafter referred to as D3), that is, D2≤D3. In this way, the distance between the two filters 13 in the first direction is minimized, so as to further shorten the distance between the two pipe joints 121 in the first direction, which can reduce the installation space required for the installer to connect the expansion valve assembly 1 to the first pipeline 3A and improve the installation convenience of the expansion valve assembly 1.

[0069] In some embodiments, please refer to Figure 1 In the projection of the first plane, the projection of the filter 13 at least partially overlaps with the projection of the connecting pipe 112. That is, the filter 13 can be arranged on the side of the connecting pipe 112 located on the first plane, so that the arrangement of the filter 13 does not increase the size of the expansion valve assembly 1 in the first direction, making the expansion valve assembly 1 compact.

[0070] In some embodiments, please refer to Figure 1 and Figure 2 In the orthographic projection of the first plane, the distance between the pipe joint 121 and the expansion valve structure 111 in the second direction (hereinafter referred to as D4) is smaller than the distance between the filter 13 and the expansion valve assembly 1 in the second direction (hereinafter referred to as D5).

[0071] It should be noted that the distance D4 between the pipe connector 121 and the expansion valve structure 111 in the second direction refers to the distance between the centerline of the pipe connector 121 and the top surface of the expansion valve structure 111 in the second direction, as projected onto the first plane. Figure 1 Shown in D4.

[0072] The distance D5 between the filter 13 and the expansion valve assembly 1 in the second direction refers to the distance between the top end of the filter 13 and the top surface of the expansion valve structure 111 in the projection onto the first plane. Figure 1 As shown in D5.

[0073] It should be noted that the first direction is perpendicular to the second direction, and both the first and second directions are parallel to the first plane.

[0074] In this embodiment, the pipe connector 121 is positioned close to the expansion valve structure 111, thereby shortening the distance between the pipe connector 121 and the top surface of the expansion valve structure 111. This makes it easier for installers to connect the expansion valve assembly 1 to the first pipe 3A, as the distance between the first pipe 3A and the second pipe 3B in the second direction is less required. This allows for full utilization of the space on the side of the first pipe 3A away from the second pipe 3B in the second direction (which can also be understood as the space below the first pipe 3A).

[0075] In some embodiments, please refer to Figure 1 In the projection of the first plane, the distance D4 between any pipe joint 121 and the expansion valve structure 111 in the second direction does not exceed 50mm, i.e., D4 ≤ 50mm. For example, D4 ​​is 50mm, 40mm, 30mm, 20mm, or 10mm. This ensures that the distance between the pipe joint 121 and the expansion valve structure 111 in the second direction is reasonable, and when the expansion valve assembly 1 is connected to the first pipeline 3A, there is sufficient space between the second pipeline 3B and the top of the expansion valve assembly 1, facilitating installation by the installer.

[0076] It should be noted that the specific structure of the transfer pipe group 122 is not limited.

[0077] In some embodiments, please refer to Figure 2 The adapter assembly 122 includes a bend 122a and a U-shaped pipe 122b. The filter 13 is arranged along the second direction. The interface of the connector 112 faces the first side of the second direction. One end of the bend 122a is connected to the pipe joint 121, and the other end is bent toward the first side of the second direction and connected to the end of the filter 13 near the expansion valve structure 111. The U-shaped pipe 122b connects the connector 112 and the end of the filter 13 away from the expansion valve structure 111.

[0078] For example, bend 122a is bent at approximately 90° within the second plane. Bend 122a and filter 13 are arranged within the second plane, with the first and second planes parallel. U-shaped tube 122b is bent in a third plane, which is perpendicular to both the first and second planes. Specifically, the first and second planes can be understood as being parallel to... Figure 1 The orientation of the paper, the third plane can be understood as perpendicular to Figure 1 The orientation of the paper.

[0079] In this embodiment, the bend 122a is bent only within the same plane (the second plane), which reduces the manufacturing difficulty of the bend 122a. The U-shaped tube 122b is bent within the same plane (the third plane), which reduces the manufacturing difficulty of the U-shaped tube 122b. The overall structure of the expansion valve assembly 1 is simple.

[0080] It is understood that the bottom of the U-shaped tube 122b is located at the end of the adapter assembly 12 furthest from the expansion valve structure 111 (which can be understood as the bottom end in the second direction). The pipe connector 121 is located at the end of the adapter assembly 12 closest to the expansion valve structure 111 (which can be understood as the top end in the second direction). Thus, while keeping the dimensions of the filter 13 unchanged in the second direction, the embodiments of this application enable the pipe connector 121 to be as close as possible to the expansion valve structure 111 in the second direction.

[0081] It should be noted that the specific materials of the bend 122a and the U-shaped tube 122b are not limited; for example, copper tubes can be used.

[0082] The bend 122a can be a one-piece molded structure or it can be composed of multiple interconnected parts. The U-shaped tube 122b can be a one-piece molded structure or it can be composed of multiple interconnected parts.

[0083] In some embodiments, please refer to Figures 1 to 4 The expansion valve assembly 1 includes a housing 14, within which the expansion valve body 11, filter 13, and adapter pipe assembly 122 are all housed. It is understood that the housing 14 possesses a certain structural strength, enabling it to protect the expansion valve body 11, filter 13, and adapter pipe assembly 122.

[0084] For example, please refer to Figure 1 At least two adapter assemblies 12 have their pipe fittings 121 at least partially located outside the housing 14 and on opposite sides of the housing 14 in a first direction. Each pipe fitting 121 has a connecting lug 121a that connects to the housing 14. It is understood that the pipe fittings 121 being at least partially located outside the housing 14 facilitates connection of the pipe fittings 121 to the first conduit 3A. Furthermore, the connecting lugs 121a enhance the connection strength between the pipe fittings 121 and the housing 14, thereby improving the stability of the expansion valve assembly 1 during installation.

[0085] It should be noted that the specific structure of box 14 is not limited.

[0086] For example, please refer to Figure 4The housing 14 includes a detachably connected shell 141 and a cover 142. This allows installers to easily open the housing 14 to repair or replace the expansion valve body 11 and the adapter pipe inside the housing 14.

[0087] For example, housing 141 and / or cover 142 have a notch (covered by pipe fitting 121 in the figure), which is formed after housing 14 and cover 142 are connected to allow pipe fitting 121 to protrude. Thus, when the installer opens cover 142, pipe fitting 121 can be removed through the open notch on one side, facilitating the installer's maintenance or replacement of expansion valve assembly 1.

[0088] For example, please refer to Figure 1 and Figure 2 The expansion valve assembly 1 includes an insulation element 15, which is disposed at one end of the adapter pipe near the pipe joint 121 and located inside the housing 14, covering the notch. It is understood that the insulation element 15 has a sound-absorbing function, reducing the volume of noise generated by the expansion valve structure 111 transmitted to the housing 14. The insulation element 15 also has good thermal insulation properties, making the external temperature of the housing 14 less susceptible to the influence of the internal refrigerant and less prone to condensation.

[0089] In some embodiments, please refer to Figure 2 The expansion valve assembly 1 includes a suspension member 16, which is disposed outside the housing 14. The suspension member 16 is used to establish a connection between the housing 14 and the installation object. In this way, the installer can install the expansion valve assembly 1 to the installation object through the suspension member 16, which not only improves the ease of installation of the expansion valve assembly 1, but also improves the connection strength between the expansion valve assembly 1 and the installation object, ensuring the operational stability of the expansion valve assembly 1.

[0090] It should be noted that the installation can be on walls, ceilings, etc.

[0091] In the description of this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this application, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine different embodiments or examples described in this application, as well as features of different embodiments or examples.

[0092] The above description is merely a preferred embodiment of this application and is not intended to limit the application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. An expansion valve assembly characterized by, The expansion valve assembly comprises: an expansion valve body comprising an expansion valve structure and at least two pipe connection portions connected with the expansion valve structure, the at least two pipe connection portions being arranged in a first plane; at least two adapter assemblies, each comprising a pipe joint, a filter and an adapter pipe group connecting the pipe joint and the pipe connection portion, the filter being arranged in a flow path of a fluid medium of the adapter pipe group; wherein the pipe joint and the filter of each of the at least two adapter assemblies are located on the same side of the first plane; in a projection of the first plane, the pipe joints of the at least two adapter assemblies are arranged in a first direction, and the pipe joints of the at least two adapter assemblies are arranged opposite to each other in the first direction.

2. The expansion valve assembly of claim 1, wherein, in the projection of the first plane, a distance between the pipe joint and the expansion valve structure in a second direction is smaller than a distance between the filter and the expansion valve structure in the second direction, wherein the first direction and the second direction are perpendicular to each other.

3. The expansion valve assembly of claim 1, wherein, in the projection of the first plane, a distance between the projections of the two filters in the first direction is not more than a maximum distance between the projections of the two pipe connection portions in the first direction.

4. The expansion valve assembly of claim 1, wherein, in the projection of the first plane, the projection of the filter at least partially overlaps the projection of the pipe connection portion.

5. The expansion valve assembly of claim 1, wherein, in the projection of the first plane, a distance between the two pipe joints in the first direction is not more than 150 mm.

6. The expansion valve assembly of claim 1, wherein, in the projection of the first plane, a distance between any one of the pipe joints and the expansion valve structure in a second direction is not more than 50 mm; wherein the second direction is perpendicular to the first direction.

7. An expansion valve assembly according to any one of claims 1-6, characterized in that The adapter pipe group comprises an elbow pipe and a U-shaped pipe, the filter is arranged in a second direction, an interface of the pipe connection portion faces a first side of the second direction, one end of the elbow pipe is connected with the pipe joint, the other end of the elbow pipe is bent towards the first side of the second direction and connected with one end of the filter close to the expansion valve structure, and the U-shaped pipe is connected with the pipe connection portion and one end of the filter away from the expansion valve structure.

8. An expansion valve assembly according to any one of claims 1-6, wherein, The expansion valve assembly comprises a box body, the expansion valve body, the filter and the adapter pipe group are arranged in the box body; the pipe joints of the at least two adapter assemblies are at least partially located outside the box body and on opposite sides of the box body in the first direction, and the pipe joints are formed with connecting ears connected with the box body.

9. The expansion valve assembly of claim 8, wherein, The expansion valve assembly comprises a suspension arranged outside the box body, the suspension is used to establish a connection relationship between the box body and a mounting object.

10. An air conditioner characterized by comprising: The air conditioner comprises:

11. The air conditioner of claim 10, wherein an outdoor unit; an indoor unit; a first pipeline and a second pipeline, the expansion valve assembly is arranged in the first pipeline, and the expansion valve assembly is arranged separately from the indoor unit and the outdoor unit. The first pipeline is located below the second pipeline.

12. The air conditioner of claim 11, wherein ​

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