CN210511923U

CN210511923U - Cabinet air conditioner

Info

Publication number: CN210511923U
Application number: CN201921252477.3U
Authority: CN
Inventors: 董明珠; 陈诚; 何振健; 王千千; 戴志炜
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-05-12
Anticipated expiration: 2029-08-02

Abstract

The utility model provides a cabinet air conditioner, which comprises a shell and a heat exchanger, wherein the heat exchanger is arranged in the shell and is of a hollow structure, the hollow structure forms a first channel, and at least part of the heat exchanger is arranged with a distance from the shell to form a second air channel; the fan part is arranged in the shell and is provided with an air inlet side and an air outlet side; the first end of the variable air duct is communicated with the first channel, the second end of the variable air duct is arranged adjacent to the fan part, and the second end of the variable air duct is selectively communicated with the air inlet side or the air outlet side so as to change the airflow direction between the air inlet and the air outlet. The arrangement enables the layering temperature difference of indoor airflow in the longitudinal direction to be small, effectively improves the utilization rate of energy of the cabinet air conditioner, and improves the use experience of users.

Description

Cabinet air conditioner

Technical Field

The utility model relates to an air conditioner equipment technical field particularly, relates to a cabinet air conditioner.

Background

The air conditioner of the vertical cabinet type air conditioner mainly has the cabinet type air outlet on the square at present, the cabinet type air outlet is long in circular shape, and the cabinet type air supply of upper and lower while air-out, sink because of air conditioning, the cold and hot air characteristic of steam come-up, when refrigeration, heat the air supply, can lead to the problem of indoor air heat layering, the return air position of cabinet type air conditioner is unchangeable, so heat distribution can not change, the air conditioner carries out the heat transfer to indoor temperature, the heat layering problem of the cabinet type air supply machine of distributing type is less relatively, the upper and lower temperature difference is less, but still can not overcome the energy utilization inefficiency problem that cold and hot air characteristic brought.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a cabinet air conditioner to solve the problem at the bottom of the utilization rate of air conditioner energy among the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a cabinet air conditioner, comprising: the shell is provided with an upper air inlet and a lower air inlet; the heat exchanger is arranged in the shell, the heat exchanger is of a hollow structure, the hollow structure forms a first channel, and at least part of the heat exchanger and the shell are arranged with a distance to form a second air duct; the fan part is arranged in the shell and is provided with an air inlet side and an air outlet side; the first end of the variable air duct is communicated with the first channel, the second end of the variable air duct is arranged adjacent to the fan part, and the second end of the variable air duct is selectively communicated with the air inlet side or the air outlet side so as to change the airflow direction between the air inlet and the air outlet.

Furthermore, the second end of the variable air duct is provided with a first conduction position and a second conduction position, when the second end of the variable air duct is located at the first conduction position, the second end of the variable air duct is communicated with the air outlet side, and a third air duct is formed between the air inlet side and the lower air inlet.

Furthermore, the fan part can suck the airflow outside the shell into the third air duct through the lower air opening, then the airflow enters the first channel through the variable air duct, passes through the side wall of the heat exchanger to exchange heat with the heat exchanger, then flows into the second air duct, and finally is exhausted outside the shell through the upper air opening.

Further, when the second end of the variable air duct is located at the second conduction position, the second end of the variable air duct is communicated with the air inlet side, and a fourth air duct is formed between the air outlet side and the lower air inlet.

Furthermore, the fan part can suck the airflow outside the shell into the second air duct through the upper air inlet, then the airflow passes through the side wall of the heat exchanger to exchange heat with the heat exchanger, flows into the first channel, and then enters the fan part through the variable air duct and is discharged from the lower air inlet.

Further, the variable duct includes: the first end of the first composition section is communicated with the first channel, and the second end of the first composition section is far away from the first channel; the first end of the second component section is movably connected with the second end of the first component section, and the second end of the second component section can be selectively positioned at the first conduction position or the second conduction position.

Further, the variable duct further includes: and when the switching mechanism is positioned at the first switching position, an air outlet channel communicated with the air outlet side is enclosed between the switching mechanism and the second assembly section.

Further, when the switching mechanism is located at the second switching position, an air inlet channel communicated with the air inlet side is enclosed between the switching mechanism and the second component section, and a fourth air channel communicated with the lower air inlet is enclosed between the switching mechanism and the air outlet side and the shell.

Further, the first component section is of a cylindrical structure, and the inner diameter of the first end of the first component section to the second end of the first component section is gradually increased.

Further, the second composition segment includes: the arc expansion plate, the first end and the first segmentation slidable ground of arc expansion plate set up, the arc expansion plate is a plurality of, a plurality of arc expansion plates set up in order enclosing into sealed passageway along first segmentation circumference, each arc expansion plate can be followed the direction of predetermineeing and stretched out to the edge of the air intake of air inlet side and realize sealing connection with the air intake edge of air inlet side, perhaps, each arc expansion plate can be followed the direction of predetermineeing and stretched out to the edge of the air outlet of air-out side and realize sealing connection with the air outlet edge of air-out side.

Further, the switching mechanism includes: the air conditioner comprises movable plates, wherein the first ends of the movable plates and part of the arc-shaped expansion plates are movably arranged, the movable plates are multiple, each movable plate can extend in the vertical direction for a preset distance and then is located at a first switching position, at the moment, each movable plate is in sealing connection with the edge of an air outlet on the air outlet side, or the movable plates located at the first switching positions are located at a second switching position after rotating towards the air inlet side for a preset angle, at the moment, each movable plate is in sealing connection with the edge of an air inlet on the air inlet side.

Further, the cabinet air conditioner includes: the water pan is arranged in the shell and connected with the shell, the heat exchanger is connected with the water pan, a through hole communicated with the first channel is formed in the water pan, and the water pan is used for collecting condensed water generated by the heat exchanger.

Further, the fan part is a centrifugal fan or a mixed flow fan.

Use the technical scheme of the utility model, through at the inside variable wind channel that sets up of casing to the air inlet side or the air-out side that are located fan portion through controlling variable wind channel change the casing lie in the wind gap and the flow direction of air current between the wind gap down, make this casing can realize the wind gap air inlet then, wind gap air-out down, perhaps, the mode of wind gap air-out, wind gap air-inlet down. The arrangement enables the layering temperature difference of indoor airflow in the longitudinal direction to be small, effectively improves the utilization rate of energy of the cabinet air conditioner, and improves the use experience of users.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a first embodiment of a cabinet air conditioner according to the present invention;

fig. 2 shows a schematic structural view of a second embodiment of a cabinet air conditioner according to the present invention;

fig. 3 shows a schematic structural view of a third embodiment of a cabinet air conditioner according to the present invention;

fig. 4 shows a schematic structural view of a fourth embodiment of a cabinet air conditioner according to the present invention;

fig. 5 shows a schematic structural view of a fifth embodiment of a cabinet air conditioner according to the present invention;

fig. 6 shows a schematic cross-sectional structure of a sixth embodiment of a cabinet air conditioner according to the present invention;

fig. 7 shows a schematic cross-sectional structure diagram of a seventh embodiment of a cabinet air conditioner according to the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 11. an air inlet; 12. a lower tuyere;

20. a heat exchanger; 21. a first channel; 22. a second air duct; 23. a third air duct; 24. a fourth air duct; 25. an air outlet channel; 26. an air inlet channel;

30. a fan section; 31. an air inlet side; 32. an air outlet side;

40. a variable duct; 41. a first composition segment; 42. a second composition segment; 43. a switching mechanism;

50. a water pan; 51. a through hole;

60. and a top cover.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 7, according to an embodiment of the present invention, a cabinet air conditioner is provided.

Specifically, the cabinet air conditioner includes a case 10, a heat exchanger 20, a fan part 30, and a variable duct 40. The housing 10 has an upper tuyere 11 and a lower tuyere 12. The heat exchanger 20 is disposed in the housing 10, the heat exchanger 20 is a hollow structure, the hollow structure forms a first channel 21, and at least a portion of the heat exchanger 20 is disposed at a distance from the housing 10 to form a second air duct 22. The fan section 30 is disposed within the housing 10, the fan section 30 having an inlet side 31 and an outlet side 32. A first end of the variable duct 40 communicates with the first passage 21. The second end of the variable duct 40 is disposed adjacent to the blower portion 30, and the second end of the variable duct 40 is selectively communicated with the air inlet side 31 or the air outlet side 32 to change the flow direction of the air between the upper air inlet 11 and the lower air inlet 12.

In this embodiment, through set up variable wind channel inside the casing to be located the air inlet side or the air-out side of fan portion through controlling variable wind channel and change the flow direction of air current between last wind gap and the wind gap down in the casing, make then this casing can realize the wind gap air inlet, wind gap air-out down, perhaps, the mode of wind gap air-out, wind gap air-in down. The arrangement enables the layering temperature difference of indoor airflow in the longitudinal direction to be small, effectively improves the utilization rate of energy of the cabinet air conditioner, and improves the use experience of users.

Wherein the second end of the variable duct 40 has a first conducting position and a second conducting position. As shown in fig. 6, when the second end of the variable air duct 40 is located at the first conducting position, the second end of the variable air duct 40 is communicated with the air outlet side 32, and a third air duct 23 is formed between the air inlet side 31 and the lower air inlet 12. The blower unit 30 may suck the air flow outside the casing 10 into the third air duct 23 through the lower air inlet 12, then enter the first channel 21 through the variable air duct 40, pass through the side wall of the heat exchanger 20 to exchange heat with the heat exchanger 20, then flow into the second air duct 22, and then exhaust the air flow outside the casing 10 through the upper air inlet 11. The air outlet mode can be selected as a refrigeration mode of the cabinet air conditioner. The arrangement can effectively utilize the cold energy generated by the cabinet air conditioner.

As shown in fig. 7, when the second end of the variable air duct 40 is located at the second conducting position, the second end of the variable air duct 40 is communicated with the air inlet side 31, and the fourth air duct 24 is formed between the air outlet side 32 and the lower air outlet 12. The fan unit 30 may suck the air flow outside the casing 10 into the second air duct 22 through the upper air inlet 11, pass through the side wall of the heat exchanger 20 to exchange heat with the heat exchanger 20, flow into the first passage 21, enter the fan unit 30 through the variable air duct 40, and then discharge the air flow from the lower air inlet 12. The air outlet mode can be selected as a heating mode of the cabinet air conditioner. The arrangement can effectively utilize the heat generated by the cabinet air conditioner. The utilization rate of the energy of the cabinet air conditioner is improved.

Specifically, the variable duct 40 includes a first constituent section 41 and a second constituent section 42. A first end of the first constituent section 41 communicates with the first passage 21. A second end of the first constituent segment 41 is disposed away from the first channel 21. The first end of the second component 42 is movably connected to the second end of the first component 41, and the second end of the second component 42 is selectively located at the first conducting position or the second conducting position. As shown in fig. 6, the first constituent segment 41 has a horn-like structure. The second component section 42 encloses a sealed channel with the first component section 41.

The variable duct 40 also includes a switching mechanism 43. The switching mechanism 43 is movably connected to the second assembly section 42, and the switching mechanism 43 has a first switching position and a second switching position. As shown in fig. 6, when the switching mechanism 43 is located at the first switching position, the air outlet passage 25 communicating with the air outlet side 32 is enclosed between the switching mechanism 43 and the second constituent segment 42. This arrangement can improve the flexibility of the switching mechanism 43, so that by moving the second constituent segment 42 and the switching mechanism 43 while enclosing a sealed passage structure, the complexity of the structure of the switching mechanism and the second constituent segment can be reduced, and the reliability of the switching mechanism and the second constituent segment is improved.

As shown in fig. 7, when the switching mechanism 43 is located at the second switching position. The switching mechanism 43 and the second constituent segment 42 enclose the intake duct 26 communicating with the intake side 31. The fourth air duct 24 is enclosed between the switching mechanism 43 and the air outlet side 32 and the housing 10 and is communicated with the lower air inlet 12. This arrangement can improve the reliability of the switching mechanism.

The first constituent segment 41 is a cylindrical structure, and the inner diameter of the first end of the first constituent segment 41 to the second end of the first constituent segment 41 is gradually increased. The second component section 42 comprises an arc-shaped retractable plate, a first end of which is slidably arranged with the first component section 41. The arc expansion plate is a plurality of, and a plurality of arc expansion plates set up in order to enclose into sealed passageway along first composition section 41 circumference. Each arc-shaped expansion plate can extend out to the edge of the air inlet side 31 along the preset direction and is in sealing connection with the edge of the air inlet side 31. Each arc expansion plate can also stretch out to the edge of the air outlet side 32 along the preset direction and realize sealing connection with the edge of the air outlet side 32. This arrangement makes the variable duct 40 simpler in structure and more reliable in use.

Further, the switching mechanism 43 includes an active plate. The first end of fly leaf and partial arc expansion plate movably connect the setting. The movable plates are multiple and can extend for a preset distance along the vertical direction and then are located at the first switching position, and at the moment, the movable plates are connected with the edge of the air outlet side 32 in a sealing mode. The movable plates located at the first switching position can also be located at the second switching position after rotating towards the air inlet side 31 by a preset angle, and at the moment, the movable plates are in sealing connection with the edge of the air inlet side 31.

In order to discharge the condensed water in the shell out of the shell in time, the cabinet air conditioner is provided with a water pan 50. The water pan 50 is disposed in the housing 10 and connected to the housing 10. The heat exchanger 20 is connected with a water pan 50, a through hole 51 communicated with the first channel 21 is formed in the water pan 50, and the water pan 50 is used for collecting condensed water generated by the heat exchanger 20. Wherein, the blower part 30 is a centrifugal blower or a mixed flow blower.

Specifically, adopt this cabinet air conditioner can realize the travelling comfort air-out function of upper and lower convection current and select, optimize the distribution of indoor temperature field, improve energy utilization efficiency. The vertical cabinet air conditioner is characterized in that air outlets are respectively arranged at the upper part and the lower part of the vertical cabinet air conditioner, the centrifugal fan structure is arranged in the internal structure, the air outlet mode of an air duct with different upper and lower convection is realized through the transformation of the internal mechanism by utilizing the air suction and exhaust characteristics of the centrifugal fan, so that the up-and-down circulation convection is realized in the heating and cooling mode, and air is discharged from the upper air outlet and returned from the lower air outlet during cooling. When heating, air is discharged from the lower air outlet and returned from the upper air outlet. The heat can be recycled according to the characteristics of cold air and hot air, so that the running mode of the whole machine can be adjusted, and the effects of energy conservation and power conservation are achieved. Wherein, the heat exchanger is an evaporator.

The internal structure of the cabinet machine is mainly divided into a centrifugal fan, an air duct, a water receiving tray, an evaporator, an upper air inlet, a lower air inlet and a top cover 60. The product operation mainly relies on the change of centrifugal fan's business turn over wind gap structure, realizes two kinds of different modes of return air and return air down, in figure 6, when centrifugal fan air outlet department to the ventilation channel connection in the middle of the evaporimeter, centrifugal fan air inlet department opens, then the fan induced drafts from the wind gap down and gets into, upward air supply, gathers last wind gap through the evaporimeter and supplies air. When the air outlet channel from the air outlet of the centrifugal fan to the lower air outlet is opened and the air inlet of the centrifugal fan is connected with the middle ventilation channel of the evaporator, the fan sucks air from the middle channel of the evaporator, so that the reverse operation mode is realized, the air enters from the upper air inlet, passes through the evaporator from the periphery to the middle, enters the air channel from the middle position of the water receiving disc, is driven by the fan to blow air to the lower air outlet, and the lower air blowing purpose is realized.

According to another embodiment of the present application, there is provided a method for controlling a cabinet air conditioner, the method being used for controlling the cabinet air conditioner, the method including the following steps: when the refrigeration mode is selected by the controller of the cabinet air conditioner, the second end of the variable air duct 40 is located at the first conduction position, and the fan portion 30 sucks external air flow into the shell 10 from the lower air inlet 12 to exchange heat with the heat exchanger 20 and then discharges the external air flow out of the shell 10 through the upper air inlet 11; when the heating mode is selected by the controller of the cabinet air conditioner, the second end of the variable air duct 40 is located at the second conduction position, and the fan portion 30 sucks external air flow into the casing 10 from the upper air inlet 11 to exchange heat with the heat exchanger 20, and then discharges the external air flow out of the casing 10 through the lower air inlet 12.

Further, the cabinet air conditioner further includes an air supply mode, when the air supply mode is selected by the controller, the second end of the variable air duct 40 is located at the first conduction position, the fan portion 30 sucks external air flow into the casing 10 from the lower air inlet 12 and then discharges the external air flow out of the casing 10 through the upper air inlet 11, or the second end of the variable air duct 40 is located at the second conduction position, and the fan portion 30 sucks the external air flow into the casing 10 from the upper air inlet 11 and then discharges the external air flow out of the casing 10 through the lower air inlet 12, wherein, in the air supply mode, the heat exchanger 20 is in a non-working state, that is, the heat exchanger 20 does not perform heat exchange operation.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cabinet air conditioner, comprising:

a housing (10), the housing (10) having an upper tuyere (11) and a lower tuyere (12);

the heat exchanger (20) is arranged in the shell (10), the heat exchanger (20) is of a hollow structure, the hollow structure forms a first channel (21), and at least part of the heat exchanger (20) is arranged at a distance from the shell (10) to form a second air duct (22);

a fan portion (30), the fan portion (30) being disposed within the housing (10), the fan portion (30) having an air inlet side (31) and an air outlet side (32);

the first end of the variable air duct (40) is communicated with the first channel (21), the second end of the variable air duct (40) is arranged adjacent to the fan portion (30), and the second end of the variable air duct (40) is selectively communicated with the air inlet side (31) or the air outlet side (32) so as to change the air flow direction between the upper air opening (11) and the lower air opening (12).

2. The cabinet air conditioner according to claim 1, wherein the second end of the variable air duct (40) has a first conducting position and a second conducting position, and when the second end of the variable air duct (40) is located at the first conducting position, the second end of the variable air duct (40) is communicated with the air outlet side (32), and a third air duct (23) is formed between the air inlet side (31) and the air outlet (12).

3. The cabinet air conditioner as claimed in claim 2, wherein the blower portion (30) is capable of sucking the airflow outside the housing (10) into the third air duct (23) through the lower air opening (12), passing through the variable air duct (40) into the first channel (21), passing through the side wall of the heat exchanger (20) to exchange heat with the heat exchanger (20), flowing into the second air duct (22), and then exhausting to the outside of the housing (10) through the upper air opening (11).

4. The cabinet air conditioner according to claim 2, wherein when the second end of the variable air duct (40) is located at the second conducting position, the second end of the variable air duct (40) is communicated with the air inlet side (31), and a fourth air duct (24) is formed between the air outlet side (32) and the lower air outlet (12).

5. The cabinet air conditioner according to claim 4, wherein the blower unit (30) is configured to draw an air flow outside the casing (10) into the second air duct (22) through the upper air inlet (11), pass through a side wall of the heat exchanger (20) to exchange heat with the heat exchanger (20), flow into the first channel (21), and then enter the blower unit (30) through the variable air duct (40) to be discharged from the lower air inlet (12).

6. A cabinet air conditioner according to claim 2, wherein the variable duct (40) comprises:

a first constituent segment (41), a first end of the first constituent segment (41) being in communication with the first channel (21), a second end of the first constituent segment (41) being disposed distal from the first channel (21);

a second component (42), a first end of the second component (42) is movably connected to a second end of the first component (41), and a second end of the second component (42) is selectively located at the first conducting position or the second conducting position.

7. A cabinet air conditioner according to claim 6, wherein the variable air duct (40) further comprises:

the air outlet device comprises a switching mechanism (43), the switching mechanism (43) is movably connected with the second assembly section (42), the switching mechanism (43) is provided with a first switching position and a second switching position, and when the switching mechanism (43) is located at the first switching position, an air outlet channel (25) communicated with the air outlet side (32) is enclosed between the switching mechanism (43) and the second assembly section (42).

8. A cabinet air conditioner according to claim 7, characterized in that when the switching mechanism (43) is in the second switching position, an air inlet duct (26) is enclosed between the switching mechanism (43) and the second component (42) and is in communication with the air inlet side (31), and a fourth air duct (24) is enclosed between the switching mechanism (43) and the air outlet side (32) and the housing (10) and is in communication with the air outlet opening (12).

9. A cabinet air conditioner according to claim 7, characterized in that the first component section (41) is of a cylindrical structure, the inner diameter of the first end of the first component section (41) to the second end of the first component section (41) being arranged to increase gradually.

10. A cabinet air conditioner according to claim 9, characterized in that the second constituent segment (42) comprises:

the air conditioner comprises an arc-shaped expansion plate, wherein a first end of the arc-shaped expansion plate is arranged with a first component section (41) in a sliding mode, the arc-shaped expansion plate is multiple and multiple, the arc-shaped expansion plate is arranged along the circumferential direction of the first component section (41) to form a sealed channel, and the arc-shaped expansion plate can extend to the edge of an air inlet side (31) along a preset direction and is in sealing connection with the edge of the air inlet side (31), or the arc-shaped expansion plate can extend to the edge of an air outlet of the air outlet side (32) along the preset direction and is in sealing connection with the edge of the air outlet side (32).

11. Cabinet air conditioner according to claim 10, characterized in that the switching mechanism (43) comprises:

the first end of the movable plate and part of the arc-shaped expansion plates are movably arranged, the movable plates are multiple, each movable plate can extend in the vertical direction for a preset distance and then is located at the first switching position, at the moment, each movable plate is in sealing connection with the edge of the air outlet side (32), or the movable plate located at the first switching position rotates towards the air inlet side (31) for a preset angle and then is located at the second switching position, at the moment, each movable plate is in sealing connection with the edge of the air inlet side (31).

12. A cabinet air conditioner according to claim 1, comprising:

the water receiving tray (50) is arranged in the shell (10) and connected with the shell (10), the heat exchanger (20) is connected with the water receiving tray (50), a through hole (51) communicated with the first channel (21) is formed in the water receiving tray (50), and the water receiving tray (50) is used for collecting condensed water generated by the heat exchanger (20).

13. A cabinet air conditioner according to claim 1, characterized in that the fan portion (30) is a centrifugal fan or a mixed flow fan.