Air conditioner

Abstract

A refrigerant circulation system of the air conditioner comprises a compressor, a first heat exchanger, a throttling device and a second heat exchanger, the first heat exchanger, the throttling device and the second heat exchanger are sequentially arranged from an outlet to an inlet of the compressor, the air conditioner comprises a first unit and a second unit which are arranged in a split mode, and the first unit comprises the compressor and the first heat exchanger. The second unit comprises a second heat exchanger, and the first heat exchanger comprises a refrigerant flow path and a liquid cooling flow path which are mutually independent and matched in a heat exchange mode. A shell of the first unit comprises a first shell wall, the first shell wall is provided with a concave part, the first unit comprises a junction box arranged in the concave part, the first shell wall is further provided with a concave wiring groove, the wiring groove extends to the concave part from the edge of the first shell wall, and the second unit is connected with the first unit through an external wiring harness. And the external wiring harness extends to be connected with the junction box through the wiring groove. The selection of the arrangement position of the first unit is wide, the arrangement difficulty of the first unit is reduced, and the overall fitting rate of the air conditioner can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of air-conditioning equipment, in particular to an air-conditioner. Background Art

[0002] At present, as people pay more and more attention to the living environment, the improvement of indoor environment in scenes such as kitchens and bathrooms has become the focus of people's attention. In order to meet the condenser heat dissipation requirements of air conditioners in scenes such as kitchens and bathrooms, split air conditioners with water cooling are usually used to cool down scenes such as kitchens and bathrooms.

[0003] In the related art, a split-type air conditioner with water cooling concentrates components such as a condenser and a compressor in one main unit. The main unit where the condenser is located is relatively large, and wiring harnesses, refrigerant pipes, and water pipes need to be connected between the main unit and the main unit where the evaporator is located. This makes the layout of the main unit where the condenser is located more difficult, making it impossible to install the air conditioner in a smaller indoor space. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an air conditioner, the arrangement difficulty of the first unit is relatively low, and the overall installation rate of the air conditioner can be effectively improved.

[0005] According to the air conditioner of the embodiment of the utility model, the refrigerant circulation system of the air conditioner includes a compressor and a first heat exchanger, a throttling device and a second heat exchanger arranged in sequence from the outlet to the inlet of the compressor, the air conditioner includes a first unit and a second unit arranged separately, the first unit includes the compressor and the first heat exchanger, the second unit includes the second heat exchanger, the first heat exchanger includes a refrigerant flow path and a liquid cooling flow path that are independent of each other and cooperate in heat exchange. The outer shell of the first unit includes a first shell wall, the first shell wall has a recessed portion, the first unit includes a junction box arranged in the recessed portion, the first shell wall is also provided with a recessed wiring groove, the wiring groove extends from the edge of the first shell wall to the recessed portion, the second unit is connected to the first unit through an external wiring harness, and the external wiring harness extends through the wiring groove to connect with the junction box.

[0006] According to the air conditioner of the embodiment of the utility model, by arranging the junction box in the recessed part, the overall volume of the first unit is reduced, the arrangement of the first unit is facilitated, and the space occupied in the direction directly facing the first shell wall can be reduced, so that the wall surface of the first shell wall is relatively flat. By arranging a wiring groove in the first shell wall to regularize the external wiring harness, the regularity of the wiring of the external wiring harness is improved, and the space occupied in the direction directly facing the first shell wall can be further reduced. The first unit can be arranged close to the wall in a manner that the first shell wall is directly facing the wall, which provides a wider choice of the arrangement position of the first unit, reduces the difficulty of arranging the first unit, and can effectively improve the overall adaptability of the air conditioner and improve the application range of the air conditioner.

[0007] In some embodiments, the first unit further includes a wire crimping cover, which is detachably disposed on the first shell wall and blocks the wiring trough and confines the external wiring harness within the wiring trough.

[0008] In some embodiments, at least one of the outer surface of the wire crimping cover and the outer surface of the junction box is flush with the outer surface of the first shell wall, or at least one of the outer surface of the wire crimping cover and the outer surface of the junction box is retracted into the outer surface of the first shell wall; and / or the wire crimping cover is engaged with the first shell wall by a spring clip.

[0009] In some embodiments, the first heat exchanger is disposed on a side of the compressor close to the first shell wall, and a wire clamp is provided on the first heat exchanger, and at least part of the internal wiring harness in the first unit extends through the wire clamp to be connected to the junction box.

[0010] In some embodiments, the junction box is located above the first heat exchanger, and the wire clamping member is fixed at the upper end of the first heat exchanger; and / or, the first heat exchanger includes a heat exchange tube, the heat exchange tube has the refrigerant flow path and the liquid cooling flow path arranged in isolation, the wire clamping member includes a first open clamping ring and a second open clamping ring, the first open clamping ring is clamped on the outside of the heat exchange tube, and the internal wiring harness is clamped into the second open clamping ring through the opening of the second open clamping ring.

[0011] In some embodiments, the casing of the first unit also includes a second shell wall, the first shell wall and the second shell wall are adjacently arranged and face different directions, the wiring trough extends from the junction box to the edge of the first shell wall in the direction toward the second shell wall, a drainage joint is provided outside the second shell wall, the drainage joint includes a water inlet and a sewage outlet that are connected to each other, the water inlet is at least one and includes a first water inlet, and the water outlet end of the liquid cooling flow path is connected to the first water inlet.

[0012] In some embodiments, the water inlet is multiple and also includes a second water inlet, the second unit has a first condensate drain outlet, the first condensate drain outlet is connected to the second water inlet, and the second water inlet is higher than the first water inlet.

[0013] In some embodiments, the water inlet is multiple and also includes a third water inlet, the first unit has a second condensate drain outlet, the second condensate drain outlet is connected to the third water inlet, and the third water inlet is higher than the first water inlet.

[0014] In some embodiments, the water inlet is multiple and also includes a third water inlet, the first unit has a second condensate drain outlet, the second condensate drain outlet is connected to the third water inlet, and the third water inlet is higher than the first water inlet, and the second water inlet is higher than the third water inlet.

[0015] In some embodiments, the drain connector is detachably connected to the second shell wall.

[0016] In some embodiments, a water collecting box cover protrudes from the second shell wall, the refrigerant circulation system includes high and low pressure valves, the high and low pressure valves are arranged corresponding to the water collecting box cover, and the drain connector is located on a side of the water collecting box cover away from the first shell wall.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a structural schematic diagram of an air conditioner according to an embodiment of the utility model;

[0019] Figure 2 is a structural schematic diagram of a first unit according to an embodiment of the utility model;

[0020] Figure 3 is a side view of a first unit according to an embodiment of the utility model;

[0021] Figure 4 is a cross-sectional view of a first unit according to an embodiment of the utility model;

[0022] Figure 5 It is a structural schematic diagram of a wire crimping cover according to an embodiment of the utility model;

[0023] Figure 6 is based on Figure 4 A partial enlarged view of area A of the example shown;

[0024] Figure 7 is based on Figure 4 A partial enlarged view of region B of the example shown;

[0025] Figure 8 is a cross-sectional view of a heat exchange tube according to an embodiment of the utility model;

[0026] Fig. 9 is a rear view of a first unit according to an embodiment of the utility model;

[0027] Fig.10 is a cross-sectional view of a drainage joint according to an embodiment of the utility model;

[0028] Fig.11 It is a schematic diagram of the arrangement of the first unit according to an embodiment of the utility model.

[0029] Reference numerals:

[0030] Air conditioner 1000;

[0031] The first unit 100; the compressor 101; the first heat exchanger 102; the heat exchange tube 1021; the refrigerant flow path 1022; the liquid cooling flow path 1023; the second unit 200; the external wiring harness 201;

[0032] First shell wall 1; recessed portion 11; wiring groove 12; card slot 121;

[0033] Junction box 2;

[0034] Wire pressing cover 3; spring buckle 31; first spring buckle 311; second spring buckle 312; limiting plate 32;

[0035] Wire clamp 4; first open clamp ring 41; second open clamp ring 42;

[0036] Internal wiring harness 5;

[0037] Second shell wall 6;

[0038] Drainage connector 7; water inlet 71; first water inlet 711; second water inlet 712; third water inlet 713; sewage outlet 72; main channel 73; drainage body 7a; connector 7b;

[0039] Liquid cooling water pipe 81; first condensed water drainage pipe 82; sewage pipe 84;

[0040] Water collection box cover 9. DETAILED DESCRIPTION

[0041] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0042] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model can repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the applicability of other processes and / or the use of other materials.

[0043] The air conditioner 1000 according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0044] According to the air conditioner 1000 of the embodiment of the utility model, the refrigerant circulation system of the air conditioner 1000 includes a compressor 101 and a first heat exchanger 102, a throttling device and a second heat exchanger arranged in sequence from the outlet to the inlet of the compressor 101. Figure 1 As shown, the air conditioner 1000 includes a first unit 100 and a second unit 200 which are separately arranged. The first unit 100 includes a compressor 101 and a first heat exchanger 102. The second unit 200 includes a second heat exchanger. The first heat exchanger 102 includes a refrigerant flow path 1022 and a liquid cooling flow path 1023 which are independent of each other and cooperate in heat exchange.

[0045] The refrigerant circulation system works based on the principle of three-phase circulation of matter. The compressor 101 sucks in low-temperature and low-pressure gaseous refrigerant from the inlet and compresses the refrigerant, and the compressed refrigerant is converted into high-temperature and high-pressure gaseous state; the high-temperature and high-pressure gaseous refrigerant flows from the outlet to the first heat exchanger 102, and the refrigerant liquefies and releases heat in the first heat exchanger 102. The refrigerant that fully dissipates heat in the first heat exchanger 102 is converted into low-temperature and high-pressure liquid refrigerant; the low-temperature and high-pressure liquid refrigerant is converted into low-temperature and low-pressure liquid through the throttling device. Due to the sudden decrease in the pressure of the refrigerant, the refrigerant changes from liquid to gaseous state. The refrigerant vaporizes and absorbs heat in the second heat exchanger, and exchanges heat with the airflow flowing through the second heat exchanger, thereby refrigerating the airflow flowing through the second heat exchanger, and the refrigerant flowing through the second heat exchanger is converted into low-temperature and low-pressure gaseous refrigerant; the low-temperature and low-pressure gaseous refrigerant is sucked in from the inlet by the compressor 101 and compressed again, and the cycle works in this way.

[0046] The second heat exchanger cools the airflow when it is working, and the second heat exchanger is arranged in the second unit 200; the first heat exchanger 102 releases heat when it is working, and the compressor 101 also generates heat when it is working, and also needs to dissipate heat, so the compressor 101 and the first heat exchanger 102 are arranged in the first unit 100. In the related art, when the air conditioner is working in cooling mode, the second unit is usually arranged on the indoor side to reduce the indoor space temperature, and the first unit is arranged on the outdoor side to accelerate the heat dissipation of the first heat exchanger and the compressor, so as to improve the working efficiency of the refrigerant circulation system.

[0047] The first heat exchanger 102 of the utility model is provided with a liquid cooling circuit 1023 to accelerate the heat dissipation of the refrigerant in the first heat exchanger 102 and improve the working efficiency of the refrigerant circulation system. It is worth noting that by setting the liquid cooling circuit 1023 to exchange heat with the refrigerant circuit 1022, on the one hand, it is possible to save the components for air cooling and heat dissipation of the refrigerant circuit 1022 of the first heat exchanger 102, thereby saving the manufacturing cost and reducing the volume of the first unit 100; on the other hand, the second unit 200 can be directly arranged on the indoor side without arranging the first unit 100 on the outer wall of the outdoor side, and there is no need to perform operations such as drilling holes in the wall and passing the refrigerant pipe through the wall, thereby reducing the difficulty of installation and arrangement of the first unit 100 and increasing the applicable scenarios of the first unit 100.

[0048] For example, in indoor spaces such as kitchens or bathrooms, the air conditioner in the related art cannot be directly installed in the above space due to the limitation that the outer wall is part of the indoor wall, it is difficult to arrange the first unit on the outer wall, or there is no installation position for the first unit, and the cooling demand of the above scene cannot be met. However, the air conditioner 1000 of the embodiment of the utility model can directly arrange the first unit 100 indoors, such as in the corner of the kitchen, on the countertop, in the kitchen cabinet, under the sink, etc., by setting the liquid cooling flow path 1023 to exchange heat with the refrigerant flow path 1022 in the first heat exchanger 102, without the need for a dedicated external position, without drilling a wall hole, and is not restricted by factors such as the external position, the property does not allow the external wall to be supported, and the wall cannot be drilled through the wall. The operation is relatively simple, the installation time is short, and the overall adaptability rate of the air conditioner 1000 can be effectively improved, thereby meeting the cooling demand of spaces such as kitchens and bathrooms.

[0049] like Figure 2 and Figure 3 As shown, the outer shell of the first unit 100 includes a first shell wall 1, the first shell wall 1 has a recessed portion 11, the first unit 100 includes a junction box 2 arranged in the recessed portion 11, and the first shell wall 1 is also provided with a recessed wiring groove 12, the wiring groove 12 extends from the edge of the first shell wall 1 to the recessed portion 11, the second unit 200 is connected to the first unit 100 through an external wiring harness 201, and the external wiring harness 201 extends through the wiring groove 12 to connect with the junction box 2.

[0050] The junction box 2 is connected to various components of the air conditioner 1000, such as the compressor 101, the control unit, etc., through wires; at the same time, the junction box 2 is also connected to an external power supply to provide power supply for the air conditioner 1000. The second unit 200, which is separately arranged, is connected to the junction box 2 on the first unit 100 through an external wiring harness 201.

[0051] like Figure 2 As shown, the junction box 2 is arranged in the recessed portion 11 of the first shell wall 1. Optionally, the outer surface of the junction box 2 in the same direction as the first shell wall 1 is lower than the first shell wall 1; or, alternatively, the outer surface of the junction box 2 in the same direction as the first shell wall 1 is flush with the first shell wall 1; or, alternatively, the outer surface of the junction box 2 in the same direction as the first shell wall 1 is slightly protruding from the first shell wall 1. Compared with directly arranging the junction box 2 on the first shell wall 1, by arranging the junction box 2 in the recessed portion 11, the overall volume of the first unit 100 can be reduced, and the arrangement of the first unit 100 is convenient. In addition, the space occupied in the direction opposite to the first shell wall 1 can be reduced, and the wall surface of the first shell wall 1 is relatively flat, which is conducive to the arrangement of the first unit 100.

[0052] The external wiring harness 201 extends through the wiring trough 12 to connect with the junction box 2. The wiring trough 12 can play a role in wiring bundles, and improve the wiring regularity of the external wiring harness 201. In addition, the wiring trough 12 extends from the edge of the first shell wall 1 to the recessed portion 11, and at least the connection section of the external wiring harness 201 and the junction box 2 extends in a direction parallel to the first shell wall 1. Compared with directly extending the external wiring harness 201 from the direction directly opposite to the first shell wall 1 to the junction box 2, the space occupied in the direction directly opposite to the first shell wall 1 can be reduced, which facilitates the arrangement of the first unit 100.

[0053] By reducing the space occupied in the direction opposite to the first shell wall 1, and the surface of the first shell wall 1 is relatively flat, such as Figure 1 and Fig.11 As shown, the first unit 100 can be arranged close to the wall along the first shell wall 1 in a manner of facing the wall, so that a wide range of choices can be provided for the arrangement position of the first unit 100. For example, the first unit 100 can be arranged in a corner, a countertop, a corner in a kitchen cabinet, a space under a sink, etc. The difficulty of arranging the first unit 100 is reduced, and the overall adaptability of the air conditioner 1000 can be effectively improved, thereby enhancing the application scope of the air conditioner 1000.

[0054] According to the air conditioner 1000 of the embodiment of the utility model, by arranging the junction box 2 in the recessed portion 11, the overall volume of the first unit 100 is reduced, the arrangement of the first unit 100 is facilitated, and the space occupied in the direction directly facing the first shell wall 1 can be reduced, so that the wall surface of the first shell wall 1 is relatively flat. By arranging the wiring groove 12 in the first shell wall 1 to regularize the external wiring harness 201, the regularity of the wiring of the external wiring harness 201 is improved, and the space occupied in the direction directly facing the first shell wall 1 can be further reduced. The first unit 100 can be arranged close to the wall in a manner that the first shell wall 1 is directly facing the wall, which provides a wider choice of the arrangement position of the first unit 100, reduces the difficulty of arranging the first unit 100, and can effectively improve the overall adaptability of the air conditioner 1000 and improve the application range of the air conditioner 1000.

[0055] In some embodiments of the present invention, the outer surface of the junction box 2 is flush with the outer surface of the first shell wall 1, or the outer surface of the junction box 2 is retracted into the outer surface of the first shell wall 1. The inner and outer directions here are based on the first unit 100 as a reference coordinate. By setting the outer surface of the junction box 2 flush with the outer surface of the first shell wall 1, or retracting the outer surface of the junction box 2 into the outer surface of the first shell wall 1, the space occupied in the direction facing the first shell wall 1 can be reduced, and the first unit 100 can be arranged close to the wall in a manner that the first shell wall 1 faces the wall, which facilitates the arrangement of the first unit 100.

[0056] In some embodiments of the present invention, Figure 2 and Figure 3 As shown, the first unit 100 further includes a wire crimping cover 3 , which is detachably disposed on the first shell wall 1 , shielding the wiring trough 12 and limiting the external wiring harness 201 in the wiring trough 12 .

[0057] By setting the wire crimping cover 3, the external wiring harness 201 can be limited in the wiring groove 12. On the one hand, the wire crimping cover 3 and the wiring groove 12 jointly play a role in bundling the wires, thereby improving the regularity of the wiring of the external wiring harness 201. On the other hand, the wire crimping cover 3 and the wiring groove 12 jointly play a role in limiting, thereby reducing the occurrence of separation of the external wiring harness 201 and the junction box 2 when impacted, thereby improving the working reliability of the air conditioner 1000.

[0058] When the wire crimping cover 3 is arranged on the first shell wall 1, the space between the wire crimping cover 3 and the wiring trough 12 is small, and it is difficult to connect and separate the external wiring harness 201 through the space between the wire crimping cover 3 and the wiring trough 12 with the junction box 2. By detachably connecting the wire crimping cover 3 to the first shell wall 1, after the external wiring harness 201 extends along the wiring trough 12 to connect with the junction box 2, the wire crimping cover 3 can be connected to the first shell wall 1, so that the external wiring harness 201 is limited in the wiring trough 12; when separating the external wiring harness 201 from the junction box 2, the wire crimping cover 3 can be disassembled from the first shell wall 1 first, and then the external wiring harness 201 can be moved out of the wiring trough 12, so as to facilitate the connection and separation of the external wiring harness 201 and the junction box 2.

[0059] In some embodiments of the present invention, Figure 2 As shown, the outer surface of the wire crimping cover 3 is flush with the outer surface of the first shell wall 1 .

[0060] Taking the first unit 100 as the reference coordinate, the wire crimping cover 3 limits the external wiring harness 201 on the inner side of the first shell wall 1, and the outer surface of the wire crimping cover 3 is flush with the outer surface of the first shell wall 1, which can reduce the space occupied in the direction facing the first shell wall 1, and the wall surface of the first shell wall 1 is relatively flat, and the integrity of the first shell wall 1 is good. The first unit 100 can be arranged close to the wall in a manner that the first shell wall 1 faces the wall, which is convenient for the arrangement of the first unit 100.

[0061] In other embodiments of the present invention, the outer surface of the wire cover 3 is retracted into the outer surface of the first shell wall 1. The space occupied in the direction facing the first shell wall 1 can be reduced, and the first unit 100 can be arranged close to the wall in a manner that the first shell wall 1 faces the wall, which facilitates the arrangement of the first unit 100.

[0062] In some embodiments of the present invention, the wire pressing cover 3 is snap-fitted with the first shell wall 1 via a spring buckle 31 .

[0063] The wire crimping cover 3 and the first shell wall 1 are convenient to disassemble and assemble, which can improve the operational efficiency of connecting and separating the external wiring harness 201 and the junction box 2, and is beneficial to the assembly of the wire crimping cover 3 and the external wiring harness 201 and the subsequent maintenance and replacement.

[0064] In some embodiments of the present invention, Figure 5 and Figure 6 As shown, a spring buckle 31 is provided on the side of the wire crimping cover 3 facing the wire routing groove 12 , and a clamping groove 121 is provided in the wire routing groove 12 . The spring buckle 31 is engaged with the clamping groove 121 to mount the wire crimping cover 3 on the first shell wall 1 .

[0065] like Figure 5As shown, the spring buckle 31 includes a first spring buckle 311 and a second spring buckle 312 that can be deformed in opposite directions. The first spring buckle 311 and the second spring buckle 312 are arranged at intervals along the deformation direction. After the first spring buckle 311 and the second spring buckle 312 are deformed, they are clamped in the slot 121, which can improve the connection stability between the wire pressing cover 3 and the first shell wall 1.

[0066] Furthermore, there can be multiple first spring buckles 311 and second spring buckles 312, which further improves the connection stability between the wire crimping cover 3 and the first shell wall 1. Multiple first spring buckles 311 are arranged at intervals along the extension direction of the wiring groove 12, and multiple second spring buckles 312 are arranged at intervals along the extension direction of the wiring groove 12.

[0067] In some embodiments of the present invention, Figure 5 and Figure 6 As shown, a limiting plate 32 is provided on the wire crimping cover 3 toward the wiring groove 12, and the limiting plates 32 include at least two plates spaced apart along the width direction of the wiring groove 12. When the wire crimping cover 3 is assembled to the first shell wall 1, the limiting plate 32 stops against the inner wall of the wiring groove 12, and the limiting plate 32 and the inner wall of the wiring groove 12 jointly define a wiring space for the external wiring harness 201 to pass through. The wiring space has a smaller cross-sectional area, which can further enhance the limiting effect on the external wiring harness 201, reduce the shaking of the external wiring harness 201, and enhance the layout stability of the external wiring harness 201.

[0068] Furthermore, if Figure 5 and Figure 6 As shown, there are multiple limit plates 32 , and the multiple limit plates 32 and the spring buckle 31 together define a wiring space extending along the extension direction of the outlet groove, and the external wiring harness 201 passes through the wiring space and extends to connect with the wiring box 2 .

[0069] In some embodiments of the present invention, Figure 4 As shown, the first heat exchanger 102 is arranged on one side of the compressor 101 close to the first shell wall 1 , and a wire clamp 4 is provided on the first heat exchanger 102 . At least part of the internal wiring harness 5 in the first unit 100 extends through the wire clamp 4 to connect with the junction box 2 .

[0070] Not only is the second unit 200 connected to the junction box 2 on the first unit 100 through the external wiring harness 201, the wiring harness of the first unit 100 is also connected to the junction box 2, and at least part of the internal wiring harness 5 in the first unit 100 is extended to be connected to the junction box 2 via the clamping member 4. Exemplarily, the wiring harness of the compressor 101 and the control element in the first unit 100 is extended to be connected to the junction box 2 via the clamping member 4.

[0071] The wire clamping member 4 can play a role in bundling wires, thereby improving the regularity of the routing of the internal wire harness 5 in the first unit 100, reducing the shaking of the internal wire harness 5, and reducing the separation of the internal wire harness 5 from the junction box 2 when impacted, thereby improving the working reliability of the air conditioner 1000.

[0072] Since the first heat exchanger 102 is disposed on the side of the compressor 101 close to the first shell wall 1, the first heat exchanger 102 is closer to the junction box 2 than the compressor 101 and other components. Disposing the wire clamping member 4 on the first heat exchanger 102 has a better wiring harness effect.

[0073] In some embodiments of the present invention, Figure 4 As shown, the junction box 2 is located above the first heat exchanger 102, and the clamping member 4 is fixed to the upper end of the first heat exchanger 102, so that the internal wiring harness 5 extending through the clamping member naturally extends to the upper junction box 2 to connect with the junction box 2, further improving the routing regularity of the internal wiring harness 5. By fixing the clamping member 4 to the first heat exchanger 102, the layout stability of the clamping member 4 can be improved.

[0074] Optionally, the wire clamping member 4 is fixed to the upper end of the first heat exchanger 102 by welding, threaded connection, bonding, positioning pin fixation, spring fixation, etc.

[0075] In some embodiments of the present invention, Figure 7 and Figure 8 As shown, the first heat exchanger 102 includes a heat exchange tube 1021, and the heat exchange tube 1021 has a refrigerant flow path 1022 and a liquid cooling flow path 1023 that are isolated and arranged. The wire clamping part 4 includes a first open clamping ring 41 and a second open clamping ring 42. The first open clamping ring 41 is clamped on the outside of the heat exchange tube 1021, and the internal wiring harness 5 is clamped into the second open clamping ring 42 through the opening of the second open clamping ring 42.

[0076] The first open clamp ring 41 is clamped on the outside of the heat exchange tube 1021, and the first open clamp ring 41 is stably connected to the heat exchange tube 1021 without sliding along the heat exchange tube 1021. In addition, the first open clamp ring 41 is clamped on the outside of the heat exchange tube 1021, which is convenient for disassembly and assembly of the clamping member 4 and the heat exchange tube 1021, and is conducive to the subsequent maintenance and replacement of the first heat exchanger 102.

[0077] The second open snap ring 42 connected to the first open snap ring 41 can be used for the internal wiring harness 5 to pass through. The internal wiring harness 5 extends toward the junction box 2 to be connected to the junction box 2. The internal wiring harness 5 can be directly inserted into the second open snap ring 42 through the opening of the second open snap ring 42. The opening size of the second open snap ring 42 is equal to the diameter of the internal wiring harness 5, or slightly larger than the diameter of the internal wiring harness 5. The internal wiring harness 5 is not easy to escape from the second open snap ring 42, which can improve the layout stability of the internal wiring harness 5 and the working reliability of the first unit 100.

[0078] In some embodiments, the opening of the second open snap ring 42 can be located at the upper side of the second open snap ring 42, and the internal wire harness 5 naturally hangs down under the action of gravity after passing through the second open snap ring 42, and the internal wire harness 5 is not easy to escape from the opening of the second open snap ring 42, which can improve the arrangement stability of the internal wire harness 5. Of course, it is not limited to this, and the opening of the second open snap ring 42 can also be located at any position such as the lower side or the front side of the second open snap ring 42, which all fall within the protection scope of the present utility model.

[0079] In some embodiments of the present invention, Figure 4 and Figure 7 As shown, the junction box 2 is located above the first heat exchanger 102, and the first heat exchanger 102 includes a heat exchange tube 1021. The clamping member 4 includes a first open clamping ring 41 and a second open clamping ring 42, the first open clamping ring 41 is clamped outside the heat exchange tube 1021 and is located at the upper end of the first heat exchanger 102, and the first open clamping ring 41 is fixedly connected to the heat exchange tube 1021, which can improve the arrangement stability of the clamping member 4. Optionally, the heat exchange tube 1021 is a metal tube, and the first open clamping ring 41 is sleeved outside the heat exchange tube 1021 and then welded and fixed to the heat exchange tube 1021.

[0080] The second open snap ring 42 is located at the upper end of the first open snap ring 41, and the internal wire harness 5 is inserted into the second open snap ring 42 through the opening of the second open snap ring 42. The internal wire harness 5 extending through the second open snap ring 42 naturally extends to the upper junction box 2 to connect with the junction box 2, further improving the routing regularity of the internal wire harness 5. The opening of the second open snap ring 42 is located on the upper side of the second open snap ring 42, and the internal wire harness 5 is not easy to fall out of the second open snap ring 42, which can improve the layout stability of the internal wire harness 5 and improve the working reliability of the first unit 100.

[0081] In some embodiments of the present invention, Figure 4 As shown, there are multiple wire clamps 4 and they are arranged at intervals along the extension direction of the heat exchange tube 1021. By providing multiple wire clamps 4, the regularity of the routing of the internal wire harness 5 can be further improved, and the limiting effect on the internal wire harness 5 can be improved.

[0082] In some embodiments, there are multiple wire clamps 4 , and the multiple wire clamps 4 are arranged at equal intervals along the extension direction of the heat exchange tube 1021 , which can improve the regularity of the routing of the internal wiring harness 5 .

[0083] In other embodiments, there are multiple wire-holding components 4 , and the multiple wire-holding components 4 are symmetrically arranged with the center line of the first heat exchanger 102 as the axis, which can improve the regularity of the routing of the internal wiring harness 5 .

[0084] In some further embodiments, there are multiple clamping parts, and the multiple clamping parts 4 can be distributed and arranged at any intervals along the extension direction of the heat exchange tube 1021.

[0085] In some embodiments of the present invention, the heat exchange tube 1021 has a refrigerant flow path 1022 and a liquid cooling flow path 1023 that are isolated and arranged therein. The liquid cooling flow path 1023 and the refrigerant flow path 1022 are independent of each other and cooperate in heat exchange.

[0086] Alternatively, if Figure 8 As shown, the heat exchange tube 1021 is a double-layer nested pipeline, the inner layer of the pipeline defines a liquid cooling flow path 1023, and the outer layer of the pipeline defines a refrigerant flow path 1022; or, further optionally, the heat exchange tube 1021 is a double-layer nested pipeline, the inner layer of the pipeline defines a refrigerant flow path 1022, and the outer layer of the pipeline defines the liquid cooling flow path 1023; or, again optionally, the heat exchange tube 1021 is a parallel pipeline, and the liquid cooling flow path 1023 and the refrigerant flow path 1022 share the same side wall.

[0087] In some embodiments of the present invention, Figure 2 and Fig. 9 As shown, the housing of the first unit 100 further includes a second housing wall 6. The first housing wall 1 and the second housing wall 6 are arranged adjacent to each other and face different directions. The wiring trough 12 extends from the junction box 2 toward the second housing wall 6 to the edge of the first housing wall 1. The second housing wall 6 is provided with a drainage joint 7. Fig.10 As shown, the drainage joint 7 includes a water inlet 71 and a sewage outlet 72 which are connected to each other. There is at least one water inlet 71 including a first water inlet 711 , and the water outlet end of the liquid cooling flow path 1023 is connected to the first water inlet 711 .

[0088] The liquid cooling circuit 1023 cooperates with the refrigerant circuit 1022 for heat exchange. After the liquid flows in from the water inlet end of the liquid cooling circuit 1023, the liquid flows along the liquid cooling circuit 1023 to cooperate with the refrigerant circuit 1022 for heat exchange. The liquid after heat exchange directly flows out from the water outlet end of the liquid cooling circuit 1023. The drainage joint 7 at least connects the water outlet end of the liquid cooling circuit 1023 with the sewage outlet 72 to directly discharge the liquid after heat exchange in the liquid cooling circuit 1023.

[0089] For example, the air conditioner 1000 is set in the kitchen to cool the kitchen space, and the first unit 100 is directly arranged in the kitchen. The kitchen has a tap water pipeline and a sewage pipeline, and tap water can be directly introduced into the liquid cooling flow path 1023. The tap water flows in the liquid cooling flow path 1023 and exchanges heat with the refrigerant flow path 1022. Then, the tap water after heat exchange can be introduced into the sewage pipeline through the drainage joint 7 to flow away naturally.

[0090] Optionally, the water inlet 71 of the drain joint 7 can be one and connected to the water outlet end of the liquid cooling flow path 1023; also optionally, the water inlet 71 of the drain joint 7 can be multiple and one of them is connected to the water outlet end of the liquid cooling flow path 1023, and the other water inlets of the drain joint 7 can collect and guide the liquid that needs to be discharged from the air conditioner 1000 to the drain joint 7, and discharge it together from the sewage outlet 72. The structure is compact, which helps to reduce the volume.

[0091] It is worth noting that the drainage connector 7 needs to be connected to a pipeline to allow liquid to flow. For example, the drainage connector 7 includes a first water inlet 711 and a sewage outlet 72. Fig. 9 As shown, a liquid cooling water pipe 81 is connected between the water outlet of the liquid cooling flow path 1023 and the first water inlet 711 , or a sewage pipe 84 is connected to the sewage outlet 72 , and the pipeline will occupy the space in the direction opposite to the second shell wall 6 .

[0092] The first unit 100 of the utility model embodiment extends the wiring trough 12 from the junction box 2 toward the second shell wall 6 to the edge of the first shell wall 1, and the external wiring harness 201 extends from the second shell wall 6 directly facing the junction box 2. The wiring of the external wiring harness 201 will only occupy the space directly facing the second shell wall 6, and reduce the space occupied in the direction directly facing the first shell wall 1. The wall surface of the first shell wall 1 of the first unit 100 is relatively flat, and the space directly facing the first shell wall 1 is relatively open. The pipelines and wiring harnesses are concentrated in the space directly facing the second shell wall 6. The first unit 100 can be arranged close to the wall in a manner that the first shell wall 1 is directly facing the wall. The choice of the arrangement position of the first unit 100 is relatively wide, and the difficulty of arranging the first unit 100 is reduced, which can effectively improve the overall fit rate of the air conditioner 1000.

[0093] Furthermore, by arranging the junction box 2 on the first shell wall 1 and arranging the drain connector 7 on the second shell wall 6 which is different from the first shell wall 1, compared with arranging the junction box 2 and the drain connector 7 on the same shell wall of the outer shell of the first unit 100, the overall volume of the first unit 100 can be effectively reduced, thereby facilitating the layout of the first unit 100.

[0094] In some embodiments of the present invention, Fig.10As shown, there are multiple water inlets 71, including a first water inlet 711 and a second water inlet 712. The second unit 200 has a first condensate drain port, which is connected to the second water inlet 712, and the second water inlet 712 is higher than the first water inlet 711.

[0095] The second heat exchanger in the second unit 200 cools the airflow passing through, and the moisture in the air with a higher temperature is liquefied when cooled, and the liquefied small water droplets will adhere to the second heat exchanger, and as the water droplets gradually accumulate, they form a stream of flowing condensed water. Therefore, the second unit 200 has a first condensed water drain port, and the condensed water formed on the second heat exchanger can flow out through the first condensed water drain port to improve the working stability of the second heat exchanger. The first condensed water drain port is connected to the second water inlet 712, and the condensed water can be discharged from the sewage outlet 72 through the drainage joint 7.

[0096] The water inlet 71 includes a first water inlet 711 and a second water inlet 712 , and the drain joint 7 can discharge the liquid after heat exchange in the liquid cooling flow path 1023 and the condensed water of the second unit 200 from the drain outlet 72 . The second water inlet 712 is arranged higher than the first water inlet 711. On the one hand, the water output of the liquid cooling flow path 1023 is much larger than the water output of the condensed water of the second unit 200. Therefore, the second water inlet 712 is arranged higher than the first water inlet 711, which can reduce the backflow of the water output of the liquid cooling flow path 1023 through the second water inlet 712. On the other hand, the second unit 200 is used for refrigeration, and the natural sedimentation of the cold air flow from a high place has a better cooling effect on the space. Therefore, the second unit 200 is usually arranged higher than the first unit 100. The condensed water of the second unit 200 can also naturally flow to the drain joint 7 on the first unit 100 under the action of gravity. Therefore, the second water inlet 712 is arranged higher than the first water inlet 711 to facilitate the arrangement of the second unit 200 and the flow of the condensed water of the second unit 200.

[0097] like Fig. 9 and Fig.10 As shown, the drain connector 7 includes a drain body 7a and a connector 7b, and the drain connector 7 includes at least three connectors 7b, the free ends of the connectors 7b are connected to the pipeline, and the water inlet 71 is not defined solely by the free ends of the connectors 7b, but the water inlet 71 is formed at the connection point between the connector 7b and the body. Therefore, the height difference between the first water inlet 711 and the second water inlet 712 cannot be judged by the height of the free end of the connector 7b.

[0098] like Fig.10As shown, the drain joint 7 defines a main channel 73, the sewage joint 7b is located at the lower end of the drain body 7a, and the lower end of the main channel 73 is connected with the sewage outlet 72; the first water inlet 711 and the second water inlet 712 are respectively formed on the main channel 73 and connected with the main channel 73, and the second water inlet 712 is higher than the first water inlet 711.

[0099] It is worth noting that the drain connector 7 needs to be connected to a pipeline to allow the liquid to flow. Fig. 9 As shown, a liquid cooling water pipe 81 is connected between the water outlet of the liquid cooling flow path 1023 and the first water inlet 711, a first condensed water drainage pipe 82 is connected between the first condensed water drainage port and the second water inlet 712, and a sewage pipe 84 is connected to the sewage outlet 72. The drainage joint 7 is connected to multiple pipelines to realize multi-pipe combined drainage, which is convenient to connect, simple and practical, and is conducive to reducing the volume of the first unit 100.

[0100] In some embodiments of the present invention, Fig.10 As shown, there are multiple water inlets 71, including a first water inlet 711 and a third water inlet 713. The first unit 100 has a second condensate drain port, which is connected to the third water inlet 713, and the third water inlet 713 is higher than the first water inlet 711.

[0101] The first heat exchanger 102 in the first unit 100 dissipates heat, which heats the air near the first heat exchanger 102. When the air with a higher temperature encounters other components of the first unit 100 with a lower temperature, the moisture in the air is cooled and liquefied to form condensed water. Therefore, the first unit 100 has a second condensed water drain port, and the condensed water in the first unit 100 can flow out through the second condensed water drain port to improve the working stability of the first heat exchanger 102. The second condensed water drain port is connected to the third water inlet 713, and the condensed water can be discharged from the drain port 72 through the drain joint 7.

[0102] The water inlet 71 includes a first water inlet 711 and a third water inlet 713. The drainage joint 7 can discharge the liquid after heat exchange in the liquid cooling circuit 1023 and the condensed water of the first unit 100 from the drain outlet 72. The water output of the liquid cooling circuit 1023 is much greater than the water output of the condensed water of the first unit 100. Therefore, the third water inlet 713 is set higher than the first water inlet 711, which can reduce the occurrence of backflow of the water output of the liquid cooling circuit 1023 through the third water inlet 713.

[0103] Similarly, the height difference between the first water inlet 711 and the third water inlet 713 cannot be determined by the height of the free end of the joint 7b, but Fig.10As shown, the first water inlet 711 and the third water inlet 713 are respectively formed on the main flow channel 73 and communicate with the main flow channel 73 , and the second water inlet 712 is higher than the first water inlet 711 .

[0104] It is worth noting that the drain connector 7 needs to be connected to the pipeline for liquid flow. A liquid cooling water pipe 81 is connected between the water outlet of the liquid cooling flow path 1023 and the first water inlet 711, a second condensed water drain pipe is connected between the second condensed water drain port and the third water inlet 713, and a sewage pipe 84 is connected to the sewage outlet 72.

[0105] In some embodiments of the present invention, Fig.10 As shown, there are multiple water inlets 71, including a first water inlet 711, a second water inlet 712 and a third water inlet 713. The first unit 100 has a second condensate drain outlet, which is connected to the third water inlet 713, and the third water inlet 713 is higher than the first water inlet 711, and the second water inlet 712 is higher than the third water inlet 713.

[0106] The condensed water of the second unit 200 flows out from the first condensed water drain port, which is connected to the second water inlet 712, and the condensed water of the second unit 200 can be discharged from the drain port 72 via the drain joint 7. The condensed water of the first unit 100 flows out from the second condensed water drain port, which is connected to the third water inlet 713, and the condensed water of the first unit 100 can be discharged from the drain port 72 via the drain joint 7. The drain joint 7 can discharge the liquid after heat exchange in the liquid cooling flow path 1023, the condensed water of the second unit 200, and the condensed water of the first unit 100 from the drain port 72 together.

[0107] like Fig.10 As shown, the third water inlet 713 is higher than the first water inlet 711, and the second water inlet 712 is arranged higher than the third water inlet 713, so in the height direction the water inlet 71 is arranged in the order of the second water inlet 712, the third water inlet 713 and the first water inlet 711.

[0108] First, the second unit 200 is used for refrigeration, and the natural settling of cold air flow from a high place has a better cooling effect on the space. Therefore, the second unit 200 is usually arranged higher than the first unit 100, and the condensed water of the second unit 200 can also flow naturally to the drainage joint 7 on the first unit 100 under the action of gravity. Secondly, the output of the condensed water of the second unit 200 is small, so the second water inlet 712 is arranged at the highest point to facilitate the arrangement of the second unit 200, and at the same time it is beneficial to the flow of the condensed water of the second unit 200.

[0109] Again, the condensed water in the first unit 100 is generated when the moisture in the air adheres to the components with lower temperature after the first heat exchanger 102 heats the air. The generation of condensed water can be reduced by adding a heat-insulating component or accelerating the heat dissipation of the first heat exchanger 102. Moreover, among the condensed water output of the first unit 100, the condensed water output of the second unit 200, and the output of the liquid cooling flow path 1023, the condensed water output of the first unit 100 is the smallest. Therefore, on the basis of setting the second water inlet 712 at the highest point, the third water inlet 713 is set below the second water inlet 712 and below the first water inlet 711.

[0110] Finally, since the water output of the liquid cooling circuit 1023 is much larger than the water output of the condensed water of the second unit 200 and the water output of the condensed water of the first unit 100, the first inlet is set at the bottom to reduce the occurrence of backflow of the water output of the liquid cooling circuit 1023 through the third water inlet 713 or the second water inlet 712.

[0111] like Fig. 9 As shown, the drain connector 7 includes four connectors 7b, which are used to connect with pipelines for liquid flow. A liquid cooling water pipe 81 is connected between the water outlet of the liquid cooling flow path 1023 and the first water inlet 711, a first condensate water drain pipe 82 is connected between the first condensate water drain port and the second water inlet 712, a second condensate water drain pipe (not shown in the figure) is connected between the second condensate water drain port and the third water inlet 713, and a sewage pipe 84 is connected to the sewage outlet 72. The drain connector 7 is connected to multiple pipelines to achieve multi-pipe combined drainage, which is convenient to connect, simple and practical, and is conducive to reducing the volume of the first unit 100.

[0112] In some embodiments of the present invention, the drainage connector 7 is detachably connected to the second shell wall 6 .

[0113] The drainage connector 7 and the second shell wall 6 are easy to disassemble and assemble. On the one hand, it is convenient for the subsequent maintenance of the drainage connector 7. On the other hand, it is convenient for the replacement and assembly of the drainage connector 7. Users can choose drainage connectors 7 of different specifications and quantities according to actual needs.

[0114] Optionally, the first heat exchanger 102 has a higher heat dissipation efficiency and better thermal insulation effect. The first unit 100 generates less condensed water, which can evaporate in the first unit 100 by itself. There is no need to set a drain connector 7 with a third water inlet 713. A drain connector 7 with three connectors can be used to connect to the second shell wall 6.

[0115] Alternatively, the air conditioner 1000 is arranged in the kitchen, and the drainage channel of the kitchen is also connected to the drainage joint 7, and is discharged through the sewage outlet 72 of the drainage joint 7. Then, the drainage joint 7 with five joints can be connected to the second shell wall 6.

[0116] The above two embodiments are only used for the purpose of illustration and description to facilitate the understanding of the technical solution of the present utility model. In addition, a drainage connector 7 with two connectors, a drainage connector 7 with six connectors, etc. can also be used.

[0117] In some embodiments of the present invention, Figure 2 and Fig. 9 As shown, a water collecting box cover 9 protrudes from the second shell wall 6, and the refrigerant circulation system includes high and low pressure valves, which are arranged corresponding to the water collecting box cover 9, and the drain connector 7 is located on the side of the water collecting box cover 9 away from the first shell wall 1.

[0118] The high and low pressure valves are used to limit the flow of refrigerant. The condensed flow changes pressure through the high and low pressure valves. The pressure reduction or increase of the refrigerant is accompanied by physical state changes and heat exchange, so the high and low pressure valves will also produce condensed water. The high and low pressure valves are set corresponding to the water collecting box cover 9, and the water collecting box cover 9 can collect condensed water to improve the working reliability of the first component. Optionally, the condensed water generated by the first heat exchanger 102 in the first unit 100 can also be collected by the water collecting box cover 9.

[0119] The water collecting box cover 9 protrudes from the second box wall, and the drainage joint 7 is arranged farther away from the first shell wall 1 than the water collecting box cover 9. The components on the first unit 100 are arranged in a reasonable position, which is conducive to reducing the volume of the first unit 100.

[0120] In some embodiments, a second condensate drain port is provided on the water collecting box cover 9. Disposing the drain connector 7 adjacent to the water collecting box cover 9 is also beneficial to the flow and discharge of condensate, and can improve the entanglement of the pipes connected to the drain connector 7.

[0121] In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0122] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0123] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0124] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0125] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations 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 one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0126] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An air conditioner, characterized in that: The refrigerant circulation system of the air conditioner includes a compressor and a first heat exchanger, a throttling device and a second heat exchanger arranged in sequence from the outlet to the inlet of the compressor. The air conditioner includes a first unit and a second unit arranged separately. The first unit includes the compressor and the first heat exchanger, and the second unit includes the second heat exchanger. The first heat exchanger includes a refrigerant flow path and a liquid cooling flow path that are independent of each other and cooperate in heat exchange. The shell of the first unit includes a first shell wall, the first shell wall has a recessed portion, the first unit includes a junction box arranged in the recessed portion, the first shell wall is also provided with a recessed wiring groove, the wiring groove extends from the edge of the first shell wall to the recessed portion, the second unit is connected to the first unit through an external wiring harness, and the external wiring harness extends through the wiring groove to connect with the junction box.

2. The air conditioner according to claim 1, characterized in that: The first unit further includes a wire crimping cover, which is detachably disposed on the first shell wall and shields the wiring trough and limits the external wiring harness to be located in the wiring trough.

3. The air conditioner according to claim 2, characterized in that: At least one of the outer surface of the crimping cover and the outer surface of the junction box is flush with the outer surface of the first shell wall, or at least one of the outer surface of the crimping cover and the outer surface of the junction box is retracted into the outer surface of the first shell wall; And / or, the wire pressing cover is engaged with the first shell wall by means of a snap-fit ​​connection.

4. The air conditioner according to claim 1, characterized in that: The first heat exchanger is arranged on a side of the compressor close to the first shell wall. A wire clamp is provided on the first heat exchanger. At least part of the internal wiring harness in the first unit extends through the wire clamp to be connected to the junction box.

5. The air conditioner according to claim 4, characterized in that: The junction box is located above the first heat exchanger, and the wire clamping member is fixed at the upper end of the first heat exchanger; and / or, the first heat exchanger includes a heat exchange tube, the heat exchange tube has the refrigerant flow path and the liquid cooling flow path arranged in isolation, the wire clamping member includes a first open clamping ring and a second open clamping ring, the first open clamping ring is clamped on the outside of the heat exchange tube, and the internal wiring harness is clamped into the second open clamping ring through the opening of the second open clamping ring.

6. The air conditioner according to any one of claims 1 to 5, characterized in that: The casing of the first unit also includes a second shell wall, the first shell wall and the second shell wall are adjacently arranged and face different directions, the wiring trough extends from the junction box to the edge of the first shell wall in the direction toward the second shell wall, a drainage joint is provided outside the second shell wall, the drainage joint includes a water inlet and a sewage outlet which are connected to each other, the water inlet is at least one and includes a first water inlet, and the water outlet end of the liquid cooling flow path is connected to the first water inlet.

7. The air conditioner according to claim 6, characterized in that: The water inlets are multiple and also include a second water inlet. The second unit has a first condensate drain outlet. The first condensate drain outlet is connected to the second water inlet, and the second water inlet is higher than the first water inlet.

8. The air conditioner according to claim 6, characterized in that: The water inlets are multiple and also include a third water inlet. The first unit has a second condensate drain outlet, the second condensate drain outlet is connected to the third water inlet, and the third water inlet is higher than the first water inlet.

9. The air conditioner according to claim 7, characterized in that: There are multiple water inlets and also include a third water inlet. The first unit has a second condensate drain outlet, the second condensate drain outlet is connected to the third water inlet, and the third water inlet is higher than the first water inlet, and the second water inlet is higher than the third water inlet.

10. The air conditioner according to claim 6, characterized in that: The drainage joint is detachably connected to the second shell wall.

11. The air conditioner according to claim 10, characterized in that: A water collecting box cover protrudes from the second shell wall, and the refrigerant circulation system includes high and low pressure valves, which are arranged corresponding to the water collecting box cover. The drainage joint is located on a side of the water collecting box cover away from the first shell wall.

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