Outdoor unit and air conditioning system

Abstract

The utility model discloses an outdoor unit and an air conditioning system, and relates to the technical field of air conditioning equipment, the outdoor unit comprises a chassis, a double-pipe heat exchanger, a liquid storage tank, a mounting structure and a compressor, the double-pipe heat exchanger is arranged on the chassis, a spiral sleeve of the double-pipe heat exchanger forms a containing space, and the liquid storage tank is arranged in the containing space; the space required for mounting the liquid storage tank and the double-pipe heat exchanger can be reduced, the mounting structure is connected to the top of the double-pipe heat exchanger, the liquid storage tank can be connected with the mounting structure, and the compressor can be connected to the mounting structure, so that the compressor is fixed to the upper portion of the double-pipe heat exchanger; therefore, by integrating the mounting structure on the double-pipe heat exchanger, the liquid storage tank, the compressor and the double-pipe heat exchanger can be compactly arranged together in the vertical direction, so that the horizontal space occupied by mounting the liquid storage tank, the compressor and the double-pipe heat exchanger is reduced, and the utilization rate of the internal space of the outdoor unit can be increased.

Description

Technical Field

[0001] This application relates to the technical field of air conditioning equipment, and particularly to an outdoor unit and an air conditioning system. Background Art

[0002] In the related art, a partition is provided inside the casing of an air conditioning outdoor unit. The partition divides the interior of the casing into a heat exchange chamber and a main machine chamber. Components such as a shell and tube heat exchanger, a compressor, and a liquid storage tank are installed in the main machine chamber. However, the shell and tube heat exchanger, the liquid storage tank, and the compressor respectively occupy a relatively large space inside the outdoor unit, resulting in a low utilization rate of the internal space of the outdoor unit. Summary of the Utility Model

[0003] Embodiments of this application provide an outdoor unit and an air conditioning system, which can solve the technical problem of low utilization rate of the internal space of the outdoor unit.

[0004] In a first aspect, embodiments of this application provide an outdoor unit, which is characterized in that it includes a chassis, a shell and tube heat exchanger, a liquid storage tank, an installation structure, and a compressor. The shell and tube heat exchanger is disposed on the chassis, and the shell and tube heat exchanger forms an accommodation space. The liquid storage tank is disposed in the accommodation space. The installation structure is disposed on the top of the shell and tube heat exchanger and is connected to the shell and tube heat exchanger and the liquid storage tank. The compressor is located above the installation structure and is connected to the installation structure.

[0005] In some embodiments, the installation structure includes a first mounting plate and a second mounting plate. The first mounting plate is inserted into the accommodation space and is connected to the shell and tube heat exchanger and the liquid storage tank. The second mounting plate is connected to the first mounting plate, and the second mounting plate is disposed at an angle to the first mounting plate. The second mounting plate supports below the compressor.

[0006] In some embodiments, the connection manner between the first mounting plate and the shell and tube heat exchanger includes at least one of screwing, riveting, and welding.

[0007] In some embodiments, the connection manner between the first mounting plate and the second mounting plate includes at least one of screwing, riveting, welding, and clamping.

[0008] In some embodiments, the first mounting plate is provided with a first folded edge, and the second mounting plate is provided with a second folded edge. The second folded edge is folded downward relative to the second mounting plate, and the second folded edge is connected to the first folded edge.

[0009] In some embodiments, the installation structure further includes a support disc. The support disc is connected to the second mounting plate. A plurality of fixing parts are spaced apart on the support disc, and the fixing parts are connected to the compressor.

[0010] In some of these embodiments, the second mounting plate is provided with a limiting edge, the limiting edge is folded upward relative to the second mounting plate, and the limiting edge is located on the side of the support plate.

[0011] In some of these embodiments, the limiting edge is connected to the support plate.

[0012] In some of these embodiments, the mounting structure further includes a support plate, the support plate is disposed on the periphery of the shell-and-tube heat exchanger, and one end of the support plate is connected to the chassis, and the other end of the support plate is connected to the support plate.

[0013] In some of these embodiments, the outdoor unit further includes a middle partition plate, the middle partition plate is disposed on the chassis, and the middle partition plate is connected to the support plate.

[0014] In some of these embodiments, at least one of the liquid storage tank and the mounting structure is provided with a first clamping portion, at least the other of the liquid storage tank and the mounting structure is provided with a second clamping portion, and the first clamping portion and the second clamping portion are snap-fitted.

[0015] In some of these embodiments, the outdoor unit further includes a fixing plate, the fixing plate is disposed on the periphery of the shell-and-tube heat exchanger, and the fixing plate is connected to the chassis and the shell-and-tube heat exchanger.

[0016] In a second aspect, an embodiment of the present application provides an air conditioning system, which is characterized in that it includes an indoor unit and the outdoor unit as described above, and the indoor unit and the outdoor unit are communicated through a pipeline.

[0017] Based on the outdoor unit and the air conditioning system of the embodiments of the present application, at least the following beneficial effects are achieved:

[0018] By disposing the shell-and-tube heat exchanger on the chassis, and a receiving space is formed in the spiral casing of the shell-and-tube heat exchanger, and the liquid storage tank is disposed in the receiving space, the space required for installing the liquid storage tank and the shell-and-tube heat exchanger can be reduced, and by connecting the mounting structure to the top of the shell-and-tube heat exchanger, and the liquid storage tank can be connected to the mounting structure, and the compressor can be connected to the mounting structure, so that the compressor is fixed above the shell-and-tube heat exchanger. Thus, by integrating the mounting structure on the shell-and-tube heat exchanger, the liquid storage tank, the compressor and the shell-and-tube heat exchanger can be vertically and compactly arranged together, thereby reducing the horizontal space occupied by the liquid storage tank, the compressor and the shell-and-tube heat exchanger, and improving the utilization rate of the internal space of the outdoor unit. Description of the Drawings

[0019] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 Schematic diagram of the internal structure of the outdoor unit from the first perspective provided by the embodiment of the present application;

[0021] Figure 2 Schematic diagram of the internal structure of the outdoor unit from the second perspective provided by the embodiment of the present application;

[0022] Figure 3 Schematic diagram of the structure in which the liquid storage tank is installed inside the shell-and-tube heat exchanger provided by the embodiment of the present application;

[0023] Figure 4 For Figure 3 The enlarged structure diagram at position A in

[0024] Figure 5 Schematic diagram of the structure in which the installation structure is arranged at the top of the shell-and-tube heat exchanger provided by the embodiment of the present application;

[0025] Figure 6 Top view of the structure in which the liquid storage tank is installed inside the shell-and-tube heat exchanger provided by the embodiment of the present application;

[0026] Figure 7 For Figure 6 The cross-sectional structure diagram at B-B in

[0027] Explanation of the reference numerals:

[0028] 100, outdoor unit; 1, chassis; 2, shell-and-tube heat exchanger; 21, accommodation space; 3, liquid storage tank; 4, installation structure; 41, first mounting plate; 411, first folding edge; 42, second mounting plate; 421, second folding edge; 422, limiting edge; 43, support disk; 431, fixing part; 44, support plate; 5, compressor; 6, middle partition plate; 7, first clamping part; 8, second clamping part; 9, fixing plate. Detailed implementation manners

[0029] In order to make the purpose, technical solutions and advantages of the present application clearer and more understandable, the following further details the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0030] Please refer to Figure 1 and Figure 2, An outdoor unit 100 provided by an embodiment of the present application. The outdoor unit 100 is a device installed outdoors in a household or commercial air conditioning system and is an important part of the air conditioning system. The main function of the outdoor unit 100 is to discharge the heat indoors outdoors through the circulation of the refrigerant, and at the same time release cold air into the room, so as to achieve the control of the room temperature and humidity. The outdoor unit 100 can include a chassis 1, a tube-in-tube heat exchanger 2, a liquid storage tank 3, an installation structure 4, and a compressor 5.

[0031] Optionally, the chassis 1 serves as the support structure of the outdoor unit 100. Support feet are provided at the bottom of the chassis 1, and the support feet are in direct contact with the ground or the installation surface, providing stable support for the entire outdoor unit 100. And the support feet are not only used to increase the distance between the chassis 1 and the ground for drainage and ventilation, but also can reduce the impact of vibration and noise on the surrounding environment to a certain extent. The support feet are usually made of durable materials such as rubber, plastic, or metal alloy to ensure their stability and durability.

[0032] Combined with Figure 3 As shown, the tube-in-tube heat exchanger 2 can be arranged on the chassis 1, and the tube-in-tube heat exchanger 2 can be fixed to the chassis 1. The fixing method of the tube-in-tube heat exchanger 2 to the chassis 1 can include at least one of welding, bolt connection, and snap ring locking. The tube-in-tube heat exchanger 2 can include a spiral tube, and the spiral tube can form a receiving space 21. The receiving space 21 can be used to install the liquid storage tank 3, so that the liquid storage tank 3 and the tube-in-tube heat exchanger 2 can be integrally arranged together, thereby reducing the space required for installing the liquid storage tank 3 and the tube-in-tube heat exchanger 2.

[0033] The installation structure 4 can be connected to the top of the tube-in-tube heat exchanger 2, and a part of the installation structure 4 can extend into the receiving space 21 to be connected to the liquid storage tank 3, so that the liquid storage tank 3 can be more stably fixed in the receiving space 21. Another part of the installation structure 4 can extend to the top of the tube-in-tube heat exchanger 2, so that at least a part of the installation structure 4 is higher than the tube-in-tube heat exchanger 2.

[0034] Combined with Figure 1 , the compressor 5 can be located above the installation structure 4, and the compressor 5 is connected to the installation structure 4, so that the installation structure 4 can support the compressor 5 above the tube-in-tube heat exchanger 2 and the liquid storage tank 3. Thus, by integrating the installation structure 4 on the tube-in-tube heat exchanger 2, the liquid storage tank 3, the compressor 5, and the tube-in-tube heat exchanger 2 can be arranged vertically and compactly together, thereby reducing the horizontal space occupied by installing the liquid storage tank 3, the compressor 5, and the tube-in-tube heat exchanger 2, and improving the utilization rate of the internal space of the outdoor unit 100.

[0035] Please refer to Figure 4 , In some embodiments, the installation structure 4 can include a first mounting plate 41 and a second mounting plate 42 that are connected to each other.

[0036] Optionally, the first mounting plate 41 is a straight plate arranged vertically. A part of the first mounting plate 41 can be inserted into the accommodation space 21, and the first mounting plate 41 can be connected to the shell-and-tube heat exchanger 2 and the liquid storage tank 3. Another part of the first mounting plate 41 can extend out of the accommodation space 21. The second mounting plate 42 can be connected to the part of the first mounting plate 41 extending out of the accommodation space 21, so that the second mounting plate 42 is higher than the shell-and-tube heat exchanger 2, and the second mounting plate 42 can be arranged at an angle with the first mounting plate 41.

[0037] Preferably, the second mounting plate 42 is a straight plate arranged horizontally, and the second mounting plate 42 is perpendicular to the first mounting plate 41, so that the second mounting plate 42 can form a mounting platform, and the compressor 5 can be mounted on the second mounting plate 42, so that the second mounting plate 42 can support the compressor 5 directly above the shell-and-tube heat exchanger 2 and the liquid storage tank 3. Thus, the shell-and-tube heat exchanger 2, the liquid storage tank 3, and the compressor 5 are mounted in the vertical direction, which can further improve the space utilization rate.

[0038] Optionally, the connection manner between the first mounting plate 41 and the shell-and-tube heat exchanger 2 can include at least one of screwing, riveting, and welding. Taking the welding of the first mounting plate 41 and the shell-and-tube heat exchanger 2 as an example, the shell-and-tube heat exchanger 2 can have a welding surface, the first mounting plate 41 can overlap with the welding surface, and the first mounting plate 41 can be welded to the welding surface, so that the first mounting plate 41 and the shell-and-tube heat exchanger 2 are fixed more stably.

[0039] In some other embodiments, the shell-and-tube heat exchanger 2 can be provided with connection holes (screw holes), and the first mounting plate 41 can be provided with mating holes corresponding to the screw holes. The first mounting plate 41 is fixed to the shell-and-tube heat exchanger 2 by inserting bolts into the screw holes and the mating holes and through the cooperation of the bolts and nuts. Of course, the first mounting plate 41 can also be fixed to the shell-and-tube heat exchanger 2 by axially driving rivets into the screw holes and the mating holes to form a connection.

[0040] Of course, it should be noted that the connection manner between the first mounting plate 41 and the shell-and-tube heat exchanger 2 can include screwing and welding at the same time, or riveting and welding at the same time, which can fix the first mounting plate 41 more stably.

[0041] Optionally, the first mounting plate 41 and the liquid storage tank 3 can be detachably connected, which is convenient for installing the liquid storage tank 3 on the first mounting plate 41.

[0042] Please refer to Figure 4 , in some embodiments, the connection manner between the first mounting plate 41 and the second mounting plate 42 can include at least one of screwing, riveting, welding, and clamping.

[0043] Optionally, the first mounting plate 41 can have a lapping edge, and the lapping edge can lap with the second mounting plate 42, so that an area for welding can be formed between the first mounting plate 41 and the second mounting plate 42. That is to say, the first mounting plate 41 is welded to the second mounting plate 42 through the lapping edge, so that the first mounting plate 41 can be fixed to the second mounting plate 42.

[0044] It should be noted that a first through hole can also be provided on the lapping edge, and a second through hole coaxially arranged with the first through hole can be provided on the second mounting plate 42. A bolt can be inserted into the first through hole and the second through hole, so that the first mounting plate 41 and the second mounting plate 42 are screwed together. A rivet can also be inserted into the first through hole and the second through hole, so that the first mounting plate 41 and the second mounting plate 42 are riveted together. Of course, the first mounting plate 41 and the second mounting plate 42 can also be snapped together, and the connection manner between the first mounting plate 41 and the second mounting plate 42 can also be a combination of multiple connection manners such as screwing, riveting, welding and snapping.

[0045] Please refer to Figure 4 , in some embodiments, a first folding edge 411 can be provided on the side of the first mounting plate 41, and a second folding edge 421 can be provided on the side of the second mounting plate 42. The second folding edge 421 is folded downward relative to the second mounting plate 42, and the second folding edge 421 can be connected to the first folding edge 411.

[0046] Optionally, one first folding edge 411 can be provided on each of the opposite sides of the first mounting plate 41. The first folding edge 411 can extend in the same direction as the first mounting plate 41. That is to say, both the first folding edge 411 and the first mounting plate 41 extend vertically, and the two first folding edges 411 are folded toward the same side relative to the first mounting plate 41. The two first folding edges 411 can increase the structural strength of the first mounting plate 41, so that the first mounting plate 41 can more stably support the second mounting plate 42.

[0047] One second folding edge 421 can be provided on each of the opposite sides of the second mounting plate 42. The second folding edge 421 can extend in the same direction as the second mounting plate 42. That is to say, both the second folding edge 421 and the second mounting plate 42 extend horizontally, and the two second folding edges 421 can be folded downward relative to the second mounting plate 42, so that the two second folding edges 421 will not interfere with the compressor 5 fixed on the second mounting plate 42. The two second folding edges 421 can increase the structural strength of the second mounting plate 42, so that the second mounting plate 42 can more stably support the compressor, so that the compressor 5 can be more firmly installed above the shell and tube heat exchanger 2 and the liquid storage tank 3.

[0048] Please refer toFigure 1 and Figure 3 In some embodiments, the mounting structure 4 can further include a support plate 43. The support plate 43 can be connected to the second mounting plate 42. A plurality of fixing portions 431 are spaced on the support plate 43, and the fixing portions 431 can be connected to the compressor 5.

[0049] Optionally, the support plate 43 can be welded or bolted to the second mounting plate 42, so that the support plate 43 can be fixed above the shell-and-tube heat exchanger 2. A plurality of fixing portions 431 can be spaced on the support plate 43. Taking that there are three fixing portions 431 on the support plate 43 as an example, the three fixing portions 431 can be spaced along the circumferential direction of the compressor 5, and the three fixing portions 431 can be fixedly connected to the compressor 5, so that the compressor 5 can be fixed on the support plate 43. By providing the support plate 43, the compressor 5 can be supported more stably, preventing the compressor 5 from loosening.

[0050] Please refer to Figure 1 、 Figure 4 and Figure 5 In some embodiments, a limiting edge 422 can also be provided on the side of the second mounting plate 42. The limiting edge 422 is folded upward relative to the second mounting plate 42, and the limiting edge 422 is located on the side of the support plate 43.

[0051] Optionally, the limiting edge 422 can be provided between two second folding edges 421, and the limiting edge 422 extends along the width direction of the second mounting plate 42, that is to say, the limiting edge 422 extends along the direction intersecting with the second folding edges 421. The limiting edge 422 is folded upward relative to the second mounting plate 42, and the limiting edge 422 is located on the side of the support plate 43. Thus, the limiting edge 422 can play a role in limiting the support plate 43, preventing the support plate 43 from shaking.

[0052] Optionally, the limiting edge 422 can also be connected to the side of the support plate 43, so that the support plate 43 can be installed more firmly. More specifically, the limiting edge 422 is provided with a plurality of connection holes. Bolts are inserted into the connection holes and threadedly connected to the holes on the support plate 43, so that the limiting edge 422 is screwed to the support plate 43, or rivets are inserted into the connection holes and the holes on the support plate 43, so that the limiting edge 422 is riveted to the support plate 43. It can also be that the limiting edge 422 is welded to the side of the support plate 43, which can increase the stability of the connection between the limiting edge 422 and the support plate 43.

[0053] Please refer to Figure 4, in some embodiments, the mounting structure 4 can further include a support plate 44. The support plate 44 can be disposed on the circumferential side of the shell-and-tube heat exchanger 2, and one end of the support plate 44 can be connected to the chassis 1, and the other end of the support plate 44 can be connected to the support disk 43. Thus, the support plate 44 can support below the support disk 43, such that the support disk 43 can be installed more stably, and the compressor 5 can also be installed more smoothly on the support disk 43.

[0054] Optionally, the mounting structure 4 can include a plurality of support plates 44. The plurality of support plates 44 can be sequentially arranged along the circumferential direction of the shell-and-tube heat exchanger 2, and the plurality of support plates 44 can support on different sides of the support disk 43, such that the plurality of support plates 44 can provide support to the support disk 43 from multiple directions, such that the support disk 43 can be installed more stably, and the compressor 5 can be prevented from shaking.

[0055] Optionally, the support plate 44 can include a vertical support plate and a horizontal support plate that are connected to each other. The vertical support plate is fixed to the chassis 1, and the horizontal support plate can be connected to the bottom of the support disk 43, and can better support the compressor 5 above the shell-and-tube heat exchanger 2.

[0056] Please refer to Figure 1 and Figure 2 , in some embodiments, the outdoor unit 100 can further include a middle partition 6. The middle partition 6 can be disposed on the chassis 1, and the middle partition 6 is located on the side of the support disk 43, and the middle partition 6 is also connected to the support disk 43.

[0057] Optionally, the middle partition 6 can be fixed to the chassis 1 along the vertical direction. The middle partition 6 can divide the interior of the indoor unit into two spaces, which are a heat exchange chamber and a main machine chamber respectively. The shell-and-tube heat exchanger 2, the liquid storage tank 3, and the compressor 5 are all disposed in the main machine chamber, and the support disk 43 can be connected to the middle partition 6. Thus, the middle partition 6, the support plate 44, and the second mounting plate 42 can all support the support disk 43, such that the support disk 43 can be installed more stably.

[0058] Please refer to Figure 6 and Figure 7 , in some embodiments, at least one of the liquid storage tank 3 and the mounting structure 4 can be provided with a first clamping portion 7, and at least the other of the liquid storage tank 3 and the mounting structure 4 can be provided with a second clamping portion 8. The first clamping portion 7 can be snap-fitted with the second clamping portion 8, such that the liquid storage tank 3 can be connected to the mounting structure 4.

[0059] Optionally, a first clamping portion 7 may be provided on the first mounting plate 41. The first clamping portion 7 may be a clamping seat. A second clamping portion 8 may be provided on the liquid storage tank 3. The second clamping portion 8 may be a hook. When installing the liquid storage tank 3, the liquid storage tank 3 can be directly placed in the accommodation space 21. During the process of placing the liquid storage tank 3 from top to bottom, the second clamping portion 8 can be directly hooked on the first clamping portion 7. Under the action of the gravity of the liquid storage tank 3, the second clamping portion 8 is connected to the first clamping portion 7 more tightly. And when it is necessary to disassemble the liquid storage tank 3, only the liquid storage tank 3 needs to be lifted upwards, and the liquid storage tank 3 is more convenient to disassemble.

[0060] Please refer to Figure 1 and Figure 5 , in some embodiments, the outdoor unit 100 may further include a fixing plate 9. The fixing plate 9 is disposed on the circumferential side of the sleeve heat exchanger 2, and the fixing plate 9 is connected to the chassis 1 and the sleeve heat exchanger 2, so that the sleeve heat exchanger 2 is fixed on the chassis 1.

[0061] Optionally, a plurality of fixing plates 9 are sequentially arranged at intervals along the circumferential direction of the sleeve heat exchanger 2. One end of the fixing plate 9 is connected to the chassis 1, and the fixing plate 9 is also connected to the sleeve heat exchanger 2, so that the plurality of fixing plates 9 can fix the sleeve heat exchanger 2 on the chassis 1, and can prevent the sleeve heat exchanger 2 from loosening, so that the installation structure 4 can more stably support the compressor 5.

[0062] The embodiment of the present application further provides an air conditioning system. The air conditioning system includes an indoor unit and an outdoor unit 100. The indoor unit and the outdoor unit 100 are communicated through a pipeline to realize the circulation and adjustment of cold and hot air.

[0063] Optionally, the indoor unit is usually installed inside the room, usually at a position close to the wall or ceiling, so as to better disperse cold and hot air and reduce the impact on the indoor space. The main function of the indoor unit is to send the processed air (cooling or heating) into the room to maintain the set indoor temperature. It usually includes one or more fans, an evaporator (when cooling) or a heater (when heating), an air filter and other components. The outdoor unit 100 is installed outside the house, usually on a balcony, roof or a dedicated equipment platform, and the outdoor unit 100 is responsible for discharging the indoor heat (when cooling) or cold (when heating) to the outside through the refrigerant cycle to keep the indoor temperature constant.

[0064] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of this application, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings. This is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0065] The above are only the preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims

1. An outdoor unit, characterized in that: include: Chassis; A shell and tube heat exchanger is arranged on the chassis, and the shell and tube heat exchanger forms a containing space; A liquid storage tank, disposed in the accommodating space; A mounting structure, arranged on the top of the shell and tube heat exchanger and connected to the shell and tube heat exchanger and the liquid storage tank; The compressor is located above the mounting structure and connected to the mounting structure.

2. The outdoor unit according to claim 1, characterized in that: The mounting structure comprises: a first mounting plate, the first mounting plate being inserted into the accommodating space and connected to the shell and tube heat exchanger and the liquid storage tank; A second mounting plate is connected to the first mounting plate, and the second mounting plate and the first mounting plate are arranged at an angle, and the second mounting plate is supported below the compressor.

3. The outdoor unit according to claim 2, characterized in that: The connection method between the first mounting plate and the shell and tube heat exchanger includes at least one of screw connection, riveting and welding.

4. The outdoor unit according to claim 2, characterized in that: The connection method between the first mounting plate and the second mounting plate includes at least one of screw connection, riveting, welding and clamping.

5. The outdoor unit according to claim 2, characterized in that: The first mounting plate is provided with a first folded edge, and the second mounting plate is provided with a second folded edge. The second folded edge is folded downward relative to the second mounting plate, and the second folded edge is connected to the first folded edge.

6. The outdoor unit according to claim 2, characterized in that: The installation structure also includes: A support plate is connected to the second mounting plate, a plurality of fixing parts are arranged at intervals on the support plate, and the fixing parts are connected to the compressor.

7. The outdoor unit according to claim 6, characterized in that: The second mounting plate is provided with a limiting edge, the limiting edge is folded upward relative to the second mounting plate, and the limiting edge is located on the side of the supporting plate.

8. The outdoor unit according to claim 7, characterized in that: The limiting edge is connected to the supporting plate.

9. The outdoor unit according to claim 6, characterized in that: The mounting structure further includes a support plate, which is disposed on the peripheral side of the shell and tube heat exchanger, one end of which is connected to the bottom plate, and the other end of which is connected to the support plate.

10. The outdoor unit according to claim 6, characterized in that: The outdoor unit further comprises a middle partition plate, which is arranged on the bottom plate and connected to the supporting plate.

11. The outdoor unit according to claim 1, characterized in that: At least one of the liquid storage tank and the mounting structure is provided with a first clamping portion, and at least the other of the liquid storage tank and the mounting structure is provided with a second clamping portion, and the first clamping portion is snap-fitted with the second clamping portion.

12. The outdoor unit according to claim 1, characterized in that: The outdoor unit further comprises a fixing plate, which is arranged on the peripheral side of the shell and tube heat exchanger and is connected to a bottom plate and the shell and tube heat exchanger.

13. An air conditioning system, characterized in that: It comprises an indoor unit and an outdoor unit as described in any one of claims 1 to 12, wherein the indoor unit and the outdoor unit are connected via a pipeline.

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