CN112303728A

CN112303728A - Cabinet air conditioner and control method

Info

Publication number: CN112303728A
Application number: CN201910713842.4A
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: 2021-02-02
Also published as: EP4008971A4; WO2021022897A1; EP4008971A1; EP4008971B1

Abstract

The invention provides a cabinet air conditioner and a control method. The cabinet air conditioner comprises a shell, wherein the shell is provided with an upper air inlet and a lower air inlet; the heat exchanger is arranged in the shell and is positioned between the upper air inlet and the lower air inlet; the mixed flow fan part is arranged in the shell; when the adjusting mechanism is positioned at the necking position, the mixed flow fan part can suck external air flow into the shell from an upper air inlet to exchange heat with the heat exchanger and then discharge the air flow out of the shell through a lower air inlet. The temperature difference of indoor temperature in the longitudinal direction is small, and the utilization rate of energy generated by the cabinet air conditioner can be effectively utilized.

Description

Cabinet air conditioner and control method

Technical Field

The invention relates to the technical field of air conditioner equipment, in particular to a cabinet air conditioner and a control method.

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.

Disclosure of Invention

The invention mainly aims to provide a cabinet air conditioner and a control method, and aims to solve the problem of low utilization rate of refrigerating capacity in the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided a cabinet air conditioner including: the shell is provided with an upper air inlet and a lower air inlet; the mixed flow fan part is arranged in the shell; and when the adjusting mechanism is positioned at the necking position, the mixed flow fan part sucks external airflow into the shell from the upper air inlet and then discharges the external airflow out of the shell through the lower air inlet.

Further, the cabinet air conditioner includes: the heat exchanger is arranged in the shell and located between the upper air inlet and the lower air inlet, the adjusting mechanism is located between the mixed flow fan part and the heat exchanger, the adjusting mechanism is provided with a necking position which shrinks towards the axis of the shell, the adjusting mechanism is provided with an expanding position which gradually opens away from the axis of the shell, and when the adjusting mechanism is located at the necking position, the mixed flow fan part sucks external air flow into the shell from the upper air inlet to exchange heat with the heat exchanger, and then the external air flow is discharged out of the shell through the lower air inlet.

Further, when the adjusting mechanism is located at the flaring position, the mixed flow fan part sucks external air flow into the shell from the lower air inlet to exchange heat with the heat exchanger and then discharges the air flow out of the shell through the upper air inlet.

Further, the cabinet air conditioner comprises an air duct, the air duct comprises a first air duct and a second air duct, the first air duct is arranged in the shell, a first end of the first air duct is communicated with the lower air opening, a second end of the first air duct is connected with the adjusting mechanism, the adjusting mechanism and the first air duct are enclosed to form a second air duct, and the mixed flow fan portion is arranged in the first air duct.

Further, the wind channel still includes third wind channel and fourth wind channel, and cabinet air conditioner includes: the supporting part is connected with the inner wall of the shell, the adjusting mechanism is located below the supporting part, a flow passage is arranged on the supporting part, and the heat exchanger is connected with the supporting part.

Furthermore, the heat exchanger is of a hollow structure, the hollow structure is communicated with the second air channel through the overflowing channel to form a third air channel, the outer surface of the heat exchanger and the shell are arranged at a distance to form a fourth air channel, and the fourth air channel is communicated with the air inlet and the third air channel.

Further, the support portion includes: and the water receiving tray is connected with the shell, an overflowing channel is formed in the water receiving tray, and the water receiving tray is used for collecting condensed water generated by the heat exchanger.

Furthermore, the heat exchanger is of a barrel-shaped structure with an opening at one end, the opening end of the heat exchanger is connected with the water receiving tray, the inner diameter of the opening end of the heat exchanger is larger than that of the overflowing channel, and airflow in the third air channel can pass through the heat exchanger or can flow into the third air channel after heat exchange through the side wall of the heat exchanger.

Further, the adjustment mechanism includes: the first end of the first adjusting mechanism is movably connected with the second end of the first air duct, the second end of the first adjusting mechanism is far away from the first air duct, the second end of the first adjusting mechanism is provided with a necking position close to the axis of the shell, and the second end of the first adjusting mechanism is provided with a flaring position far away from the axis of the shell; when the first adjusting mechanism and the second adjusting mechanism are both positioned at the necking positions, the first end of the first adjusting mechanism is contacted with the second end of the second adjusting mechanism, and the first adjusting mechanism and the second adjusting mechanism are enclosed into a sealed second air channel.

Further, when the first adjusting mechanism and the second adjusting mechanism are both located at the flaring positions, at least one of the first adjusting mechanism, the second adjusting mechanism, the shell, the supporting portion and the water pan is enclosed into a second air duct.

Further, when the first adjusting mechanism and the second adjusting mechanism are both located at the necking positions, the area of the cross section of the second air duct is gradually reduced along the direction away from the mixed flow fan portion.

Further, when the first adjusting mechanism and the second adjusting mechanism are both located at the flaring positions, the area of the cross section of the air duct structure enclosed by the second adjusting mechanism is gradually increased along the direction towards the mixed flow fan part.

Further, the first adjustment mechanism includes: first arc regulating plate, the first end of first arc regulating plate is articulated mutually with the end lateral wall in first wind channel, and first wind channel setting is kept away from to the second end of first arc regulating plate, and first arc regulating plate is a plurality of, and a plurality of first arc regulating plates set up along the circumference in first wind channel, and when each first arc regulating plate was located the throat position, a plurality of first arc regulating plates were enclosed and are established annular wind channel structure.

Further, the second end of the first arc-shaped adjusting plate is provided with a folding edge, and the folding edge is bent towards one side of the shell.

Further, the second adjustment mechanism includes: the first end of the second arc-shaped adjusting plate is hinged to the bottom of the water receiving tray, the second end of the second arc-shaped adjusting plate can be rotatably arranged around a hinged point of the first end of the second arc-shaped adjusting plate and the water receiving tray, the second arc-shaped adjusting plates are multiple, the second arc-shaped adjusting plates are arranged along the circumferential direction of the overflowing channel, and when each second arc-shaped adjusting plate is located at the necking position, the second arc-shaped adjusting plates are surrounded to form an annular air duct structure.

Further, the support portion further includes: annular brace table, annular brace table are connected with the inner wall of casing, and the water collector is connected with annular brace table and is located annular brace table's top, and when second arc regulating plate was located the flaring position, the second end of second arc regulating plate and annular brace table's inner peripheral surface sealing connection.

Further, the bottom of the annular support platform is provided with an inclined plane, and when the second arc-shaped adjusting plate is located at the flaring position, the lower surface of the second arc-shaped adjusting plate is parallel to the inclined plane.

Further, the heat exchanger is cylindrical structure, and the axis of heat exchanger sets up along vertical direction, and the one end that is close to the air inlet of heat exchanger is provided with the roof.

According to another aspect of the present invention, there is provided a method for controlling a cabinet air conditioner, the method comprising the steps of: when a heating mode is selected by a controller of the cabinet air conditioner, the adjusting mechanism is positioned at the necking position, and the mixed flow fan part sucks external airflow into the shell from the upper air inlet to exchange heat with the heat exchanger and then discharges the external airflow out of the shell through the lower air inlet; when the refrigeration mode is selected by the controller, the adjusting mechanism is located at the flaring position, and the mixed flow fan part sucks external airflow into the shell from the lower air inlet to exchange heat with the heat exchanger and then discharges the external airflow out of the shell through the upper air inlet.

The cabinet air conditioner further comprises an air supply mode, when the air supply mode is selected through the controller, the adjusting mechanism is located at the necking position, the mixed flow fan part sucks external air flow into the shell from the upper air inlet and then discharges the external air flow out of the shell through the lower air inlet, or when the air supply mode is selected through the controller, the adjusting mechanism is located at the flaring position, and the mixed flow fan part sucks the external air flow into the shell from the lower air inlet and then discharges the external air flow out of the shell through the upper air inlet; and when the air supply mode is in the air supply mode, the heat exchanger is in a non-working state.

By applying the technical scheme of the invention, the adjusting mechanism is arranged in the shell, and the adjusting mechanism is controlled to be positioned at the flaring position or the necking position, so that the cabinet air conditioner with the mixed flow fan part realizes the air inlet mode of the upper air inlet and the air outlet mode of the lower air inlet, or the cabinet air conditioner realizes the air outlet mode of the upper air inlet and the air inlet mode of the lower air inlet. Especially, under the cabinet air conditioner in the refrigeration mode, adopt the air outlet of air inlet, the air inlet mode of leeward, under the cabinet air conditioner in the heating mode, adopt the air inlet of air inlet, the air outlet mode of leeward, can avoid the indoor problem that the heat is stratified effectively appearing, can make indoor temperature very little in vertical direction difference in temperature, can utilize the utilization ratio of the energy that the cabinet air conditioner produced effectively moreover.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, 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 is a schematic structural view showing an embodiment of a cabinet air conditioner according to the present invention when an upper air inlet and a lower air inlet are closed;

fig. 2 is a schematic structural view showing a first embodiment of an upper air inlet and a lower air inlet of a cabinet air conditioner according to the present invention when they are opened;

FIG. 3 is a schematic structural diagram of an embodiment of the cabinet air conditioner according to the present invention when the air enters the upper air inlet and exits from the lower air inlet;

fig. 4 is a schematic structural view showing a second embodiment of the cabinet air conditioner according to the present invention when the upper and lower outlets are opened;

fig. 5 is a schematic structural diagram illustrating an embodiment of the cabinet air conditioner when air is discharged from an upper air outlet and is discharged from a lower air inlet according to the present invention;

FIG. 6 is a schematic cross-sectional view of an embodiment of a cabinet air conditioner according to the present invention when air is discharged from an upper air outlet and is introduced from a lower air inlet;

fig. 7 is a schematic cross-sectional view illustrating an embodiment of the cabinet air conditioner according to the present invention when the air is supplied from the upper air inlet and discharged from the lower air outlet.

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 top plate;

30. a mixed flow fan part;

40. an adjustment mechanism; 41. a first adjustment mechanism; 411. a first arc-shaped adjusting plate; 412. folding edges;

42. a second adjustment mechanism; 421. a second arc-shaped adjusting plate;

51. a first air duct; 52. a second air duct; 53. a third air duct; 54. a fourth air duct;

60. a support portion; 61. a water pan; 62. an annular support table;

70. and a flow passage.

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 embodiments with reference to the attached drawings.

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, as shown in fig. 1 and 7, the cabinet air conditioner includes a casing 10, a heat exchanger 20, a mixed flow fan unit 30, and an adjustment mechanism 40. The housing 10 has an upper tuyere 11 and a lower tuyere 12. The heat exchanger 20 is disposed in the casing 10 between the upper and

lower ports

11 and 12. The mixed flow fan portion 30 is disposed in the casing 10. The adjusting mechanism 40 is arranged in the casing 10, the adjusting mechanism 40 is located between the mixed flow fan part 30 and the heat exchanger 20, the adjusting mechanism 40 has a necking position which is shrunk towards the axis of the casing 10, and the adjusting mechanism 40 has a flaring position which is gradually flared away from the axis of the casing 10, when the adjusting mechanism 40 is located at the necking position, the mixed flow fan part 30 can suck external air flow into the casing 10 from the upper air inlet 11 to exchange heat with the heat exchanger 20, and then the external air flow is discharged out of the casing 10 through the lower air inlet 12.

In this embodiment, the adjusting mechanism is disposed in the housing, and the adjusting mechanism is controlled to be located at the flaring position or the necking position, so that the cabinet air conditioner with the mixed flow fan portion can realize the upper air inlet mode and the lower air outlet mode, or the cabinet air conditioner can realize the upper air outlet mode and the lower air inlet mode. Especially, under the cabinet air conditioner in the refrigeration mode, adopt the air outlet of air inlet, the air inlet mode of leeward, under the cabinet air conditioner in the heating mode, adopt the air inlet of air inlet, the air outlet mode of leeward, can avoid the indoor problem that the heat is stratified effectively appearing, can make indoor temperature very little in vertical direction difference in temperature, can utilize the utilization ratio of the energy that the cabinet air conditioner produced effectively moreover.

As shown in fig. 6, when the adjusting mechanism 40 is located at the flaring position, the mixed flow fan portion 30 can suck the external air flow into the casing 10 from the lower air inlet 12 to exchange heat with the heat exchanger 20, and then discharge the external air flow out of the casing 10 through the upper air inlet 11. The air inlet direction and the air outlet direction of the shell can be changed by arranging the adjusting mechanism 40 in the shell, the mode that the air inlet mode of the shell can be changed only by adopting a plurality of fans in the shell in the prior art can be solved by the arrangement, the change of the air inlet mode of the shell can be realized without changing the rotating direction of the mixed flow fan part 30 in the embodiment, and the practicability of the cabinet air conditioner is effectively improved.

Specifically, as shown in fig. 6 and 7, the cabinet air conditioner includes a duct. The air duct includes a first air duct 51 and a second air duct 52. The first air duct 51 is disposed in the casing 10, a first end of the first air duct 51 is communicated with the lower air inlet 12, a second end of the first air duct 51 is connected with the adjusting mechanism 40, the adjusting mechanism 40 and the first air duct 51 enclose a second air duct 52, and the mixed flow fan unit 30 is disposed in the first air duct 51. The arrangement can improve the sealing performance between the adjusting mechanism 40 and the first air duct 51, so that the air flow at the lower air inlet 12 can smoothly enter the shell through the second air duct 52 to exchange heat with the heat exchanger.

Further, the air duct further includes a third air duct 53 and a fourth air duct 54, and the cabinet air conditioner includes a support portion 60. The support portion 60 is connected to the inner wall of the housing 10. The adjusting mechanism 40 is located below the supporting portion 60, the supporting portion 60 is provided with a flow passage 70, the heat exchanger 20 is connected to the supporting portion 60, the heat exchanger 20 is of a hollow structure (i.e., as shown in fig. 6, the hollow structure is a hollow cylindrical structure enclosed by the heat exchanger body), the hollow structure is communicated with the second air duct 52 through the flow passage 70 to form a third air duct 53, the outer surface of the heat exchanger 20 is arranged at a distance from the housing 10 to form a fourth air duct 54, and the fourth air duct 54 is communicated with the upper air inlet 11 and the third air duct 53. The arrangement can effectively improve the installation stability of the heat exchanger, and can also be effective, and meanwhile, the external air flow of the shell can conveniently enter the fourth air duct 54 from the third air duct 53, or the external air flow of the shell can conveniently enter the third air duct 53 from the fourth air duct 54.

In order to effectively discharge the condensed water generated in the cabinet in time, a water receiving tray 61 is provided on the supporting portion 60. The water pan 61 is connected to the housing 10, a flow passage 70 is formed in the water pan 61, and the water pan 61 is used for collecting condensed water generated by the heat exchanger 20.

The heat exchanger 20 is a barrel-shaped structure with an opening at one end, the opening end of the heat exchanger 20 is connected with the water pan 61, the inner diameter of the opening end of the heat exchanger 20 is larger than that of the overflowing channel 70, the airflow in the third air duct 53 can flow into the fourth air duct 54 after heat exchange through the side wall of the heat exchanger 20, or the airflow in the fourth air duct 54 can flow into the third air duct 53 after heat exchange through the side wall of the heat exchanger 20. The arrangement can increase the heat exchange area of the airflow and the heat exchanger. Wherein, an annular fourth air duct 54 is formed between the outer surface of the heat exchanger 20 and the inner wall of the casing. Of course, it is also possible to arrange part of the side walls of the heat exchanger 20 in a manner connected to the side walls of the housing. Preferably, the axis of the heat exchanger 20 coincides with the axis of the vertical direction of the housing.

The adjustment mechanism 40 includes a first adjustment mechanism 41 and a second adjustment mechanism 42. The first end of the first adjusting mechanism 41 is movably connected with the second end of the first air duct 51, the second end of the first adjusting mechanism 41 is disposed away from the first air duct 51, the second end of the first adjusting mechanism 41 has a reduced position close to the axis of the casing 10, and the second end of the first adjusting mechanism 41 has a flared position away from the axis of the casing 10. The first end of the second adjusting mechanism 42 is movably connected with the water-receiving tray 61. The second end of the second adjusting mechanism 42 has a necking position approaching towards the axis of the casing 10, and the second end of the second adjusting mechanism 42 has a flaring position far away from the axis of the casing 10 (i.e. the geometric center line of the vertical direction of the casing 10), when the first adjusting mechanism 41 and the second adjusting mechanism 42 are both located at the necking position, the first end of the first adjusting mechanism 41 is in contact with the second end of the second adjusting mechanism 42, and the first adjusting mechanism 41 and the second adjusting mechanism 42 enclose the sealed second air duct 52. This arrangement makes the first adjustment mechanism 41 and the second adjustment mechanism 42 simple in structure, and facilitates switching between different positions.

When the first adjusting mechanism 41 and the second adjusting mechanism 42 are both located at the flaring positions, at least one of the first adjusting mechanism 41 and the second adjusting mechanism 42, the housing 10, the supporting portion 60 and the water pan 61 is enclosed into the second air duct 52. The arrangement ensures that no matter what state the adjusting mechanism is in, a sealed channel structure is always enclosed between the adjusting mechanism and the shell, so that the condition of air leakage inside the cabinet air conditioner can be avoided, and the reliability of the cabinet air conditioner is improved.

When the first adjustment mechanism 41 and the second adjustment mechanism 42 are both in the necking position. The area of the cross section of the second air duct 52 is arranged to be gradually reduced in a direction away from the mixed flow fan portion 30. When the second adjusting mechanisms 42 are located at the flaring positions, the cross-sectional areas of the air duct structures enclosed by the second adjusting mechanisms 42 are gradually increased along the direction towards the mixed flow fan part 30. The cross-sectional area of the air inlet channel at the upper end of the mixed flow fan part is changed, so that the mixed flow fan part 30 can realize the functions of air suction or air supply. The arrangement enables the effect of air suction or air supply to be realized without separately arranging a plurality of fans, and effectively improves the practicability of the mixed flow fan part 30.

Specifically, the first adjustment mechanism 41 includes a first arc-shaped adjustment plate 411. First arc regulating plate 411's first end and the tip lateral wall of first wind channel 51 are articulated mutually, and first wind channel 51 sets up is kept away from to first arc regulating plate 411's second end, and first arc regulating plate 411 is a plurality of, and a plurality of first arc regulating plate 411 set up along first wind channel 51's circumference, and when each first arc regulating plate 411 was located the throat position, a plurality of first arc regulating plate 411 were enclosed and are established annular wind channel structure. Wherein, a driving part can be arranged inside the housing to drive the first arc-shaped adjusting plate 411 to rotate. The driving part may drive the single first arc adjustment plate 411 individually, or one driving part may drive a plurality of first arc adjustment plates 411 to rotate at the same time. Because first arc regulating plate 411 is when being located flaring position, the distance between it is the grow, so can be when being located flaring position according to each first arc regulating plate 411, guarantee that a plurality of first arc regulating plates 411 can also enclose and establish into under the sealed wind channel prerequisite, set up the corresponding width and the length and the crooked camber of first arc regulating plate 411.

Preferably, the second end of the first arc adjustment plate 411 is provided with a folding edge 412, and the folding edge 412 is folded toward one side of the housing 10. This arrangement can improve the reliability of connection between first arc adjustment plate 411 and the housing.

The second adjustment mechanism 42 includes a second arc-shaped adjustment plate 421. The first end of the second arc-shaped adjusting plate 421 is hinged to the bottom of the water-receiving tray 61, and the second end of the second arc-shaped adjusting plate 421 can be rotatably disposed around the hinge point between the first end of the second arc-shaped adjusting plate 421 and the water-receiving tray 61. The number of the second arc-shaped adjusting plates 421 is multiple, the second arc-shaped adjusting plates 421 are arranged along the circumferential direction of the flow passage 70, and when each second arc-shaped adjusting plate 421 is located at the necking position, the second arc-shaped adjusting plates 421 surround to form an annular air duct structure. The second adjusting mechanism 42 is set to be in an arc-shaped adjusting plate-shaped structure, so that the processing difficulty of the second adjusting mechanism can be reduced, and meanwhile, the structure is simple, and the running reliability is high. The driving mode of the second adjusting mechanism can adopt the driving mode of the first adjusting mechanism.

Further, the support portion 60 also includes an annular support table 62. The annular support 62 is connected to the inner wall of the housing 10. The water pan 61 is connected to the annular support platform 62 and located above the annular support platform 62, and when the second arc-shaped adjusting plate 421 is located at the flaring position, the second end of the second arc-shaped adjusting plate 421 is connected to the inner peripheral surface of the annular support platform 62 in a sealing manner. Set up like this and can improve the installation stability of water collector, improved the leakproofness between adjustment mechanism and the casing simultaneously.

The bottom of the annular support platform 62 is provided with an inclined surface, and when the second arc-shaped adjusting plate 421 is located at the flaring position, the lower surface of the second arc-shaped adjusting plate 421 is parallel to the inclined surface. The arrangement can effectively reduce the wind resistance of the airflow and reduce the flowing noise of the airflow.

Preferably, the heat exchanger 20 is a cylindrical structure, the axis of the heat exchanger 20 is arranged along the vertical direction, and one end of the heat exchanger 20 close to the air inlet 11 is provided with a top plate 21. The arrangement enables the airflow to enter or exit only through the side wall of the heat exchanger, the heat exchange area of the airflow and the heat exchanger is increased, and the heat exchange performance of the cabinet air conditioner is improved. Preferably, the heat exchanger is an evaporator.

Specifically, the cabinet air conditioner adopting the structure can realize the selection of the comfortable air outlet function of up-down convection, optimize the distribution of an indoor temperature field and improve the energy utilization efficiency. Specifically for respectively arranging an air port above and below vertical cabinet air conditioner, inner structure sets up mixed flow fan structure, utilize mixed flow fan characteristic, the different wind channel air-out mode of convection current about the transform through inner structure realizes, thereby realize the circulation convection about the refrigeration mode realization, from last wind gap air-out during refrigeration, from wind gap return air down, from wind gap air-out down, go up wind gap return air during heating, can carry out heat recovery according to cold and hot air characteristic, and then adjustable complete machine operational mode, reach energy-conserving comfortable power saving's effect.

As shown in fig. 6 and 7, the casing includes a base, a mixed flow fan, an air duct, a water pan, an evaporator, an adjusting mechanism, an upper air inlet, a lower air inlet, and a top cover. The product operation mainly relies on the characteristic of mixed flow fan, mixed flow fan is the fan between centrifugation and axial fan, can export the effect of axial doing work and centrifugation doing work, through the deep study to mixed flow fan, mixed flow fan exports the condition differently under the different internal pressure condition, in the structure of the drawing, when inside adjustment mechanism opens completely, internal channel pressure diminishes, then mixed flow fan does work more and is the axial compressor mode, then the fan sucks the wind up air supply from the lower tuyere, through the middle through-hole position of water collector, passes the evaporimeter from both sides and carries out the heat transfer, gathers to the upper tuyere at last and carries out the air supply. When inside adjustment mechanism closed for a throat, inside wind channel has pressure grow, then the mixed flow fan acting more is centrifugal mode, and toward radial air supply and direct lower wind gap air supply from the fan next door and play, cause inside induced drafting to realize reverse operation mode, the last wind gap air inlet passes the evaporimeter from all around toward the centre, and gets into the wind channel from the water collector intermediate position, is driven down the wind gap air supply by the fan, realizes air supply purpose down.

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 heating mode is selected by the controller of the cabinet air conditioner, the adjusting mechanism 40 is located at the necking position, the mixed flow fan part 30 sucks external air flow into the shell 10 from the upper air inlet 11 to exchange heat with the heat exchanger 20, and then the external air flow is discharged out of the shell 10 through the lower air inlet 12; when the cooling mode is selected by the controller, the adjusting mechanism 40 is located at the flaring position, and the mixed flow fan part 30 sucks external air flow from the lower air inlet 12 into the shell 10 to exchange heat with the heat exchanger 20 and then discharges the air flow out of the shell 10 through the upper air inlet 11. When the air supply mode is selected by the controller, the adjusting mechanism 40 is located at the necking position, the mixed flow fan part 30 sucks external air flow into the shell 10 from the upper air inlet 11 and then discharges the external air flow out of the shell 10 through the lower air inlet 12, or when the air supply mode is selected by the controller, the adjusting mechanism 40 is located at the flaring position, the mixed flow fan part 30 sucks the external air flow into the shell 10 from the lower air inlet 12 and then discharges the external air flow out of the shell 10 through the upper air inlet 11, and when the air supply mode is used, the heat exchanger 20 is in a non-working state, namely, the heat exchanger does not perform heat exchange work.

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 mixed flow fan part (30), the mixed flow fan part (30) is arranged in the shell (10);

the adjusting mechanism (40) is arranged in the shell (10), the adjusting mechanism (40) is provided with a necking position and a flaring position, when the adjusting mechanism (40) is located at the necking position, the mixed flow fan part (30) sucks external air flow into the shell (10) from the upper air opening (11), and then the external air flow is discharged out of the shell (10) through the lower air opening (12).

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

the heat exchanger (20), the heat exchanger (20) set up in casing (10) and be located go up wind gap (11) with between wind gap (12) down, adjustment mechanism (40) are located mixed flow fan portion (30) with between heat exchanger (20), adjustment mechanism (40) have towards casing (10) axis shrink throat position, and adjustment mechanism (40) have keep away from casing (10) axis opens gradually the flaring position, work as adjustment mechanism (40) are located when the throat position, mixed flow fan portion (30) are followed outside air current is inhaled go up wind gap (11) in casing (10) with heat exchanger (20) carry out the heat exchange after, through wind gap (12) are discharged down outside casing (10).

3. The cabinet air conditioner according to claim 2, wherein when the adjusting mechanism (40) is located at the flared position, the mixed flow fan portion (30) draws an external air flow from the lower air opening (12) into the casing (10) to exchange heat with the heat exchanger (20) and then discharges the external air flow out of the casing (10) through the upper air opening (11).

4. The cabinet air conditioner as claimed in claim 2, wherein the cabinet air conditioner includes an air duct, the air duct includes a first air duct (51) and a second air duct (52), the first air duct (51) is disposed in the casing (10), a first end of the first air duct (51) is communicated with the lower air inlet (12), a second end of the first air duct (51) is connected with the adjusting mechanism (40), the adjusting mechanism (40) and the first air duct (51) are enclosed to form the second air duct (52), and the mixed flow fan portion (30) is disposed in the first air duct (51).

5. A cabinet air conditioner according to claim 3, characterized in that the air duct further comprises a third air duct (53) and a fourth air duct (54), the cabinet air conditioner comprising:

the heat exchanger comprises a supporting part (60), the supporting part (60) is connected with the inner wall of the shell (10), the adjusting mechanism (40) is located below the supporting part (60), a flow passage (70) is arranged on the supporting part (60), and the heat exchanger (20) is connected with the supporting part (60).

6. The cabinet air conditioner according to claim 5, wherein the heat exchanger (20) is a hollow structure communicating with the second air duct (52) through the transfer passage (70) to form the third air duct (53), an outer surface of the heat exchanger (20) is disposed at a distance from the housing (10) to form the fourth air duct (54), and the fourth air duct (54) communicates with the upper air opening (11) and the third air duct (53).

7. A cabinet air conditioner according to claim 5, characterized in that the support (60) comprises:

the water collecting tray (61) is connected with the shell (10), the overflowing channel (70) is formed in the water collecting tray (61), and the water collecting tray (61) is used for collecting condensed water generated by the heat exchanger (20).

8. The cabinet air conditioner as recited in claim 7, wherein the heat exchanger (20) is a barrel structure with an open end, the open end of the heat exchanger (20) is connected to the water pan (61), the inner diameter of the open end of the heat exchanger (20) is larger than that of the overflow channel (70), the airflow in the third air duct (53) can flow into the fourth air duct (54) after exchanging heat through the side wall of the heat exchanger (20), or the airflow in the fourth air duct (54) can flow into the third air duct (53) after exchanging heat through the side wall of the heat exchanger (20).

9. A cabinet air conditioner according to claim 7, characterized in that the adjusting mechanism (40) comprises:

a first adjustment mechanism (41), a first end of the first adjustment mechanism (41) being movably connected with a second end of the first air duct (51), a second end of the first adjustment mechanism (41) being disposed away from the first air duct (51), a second end of the first adjustment mechanism (41) having the reduced position approaching toward the axis of the housing (10), and a second end of the first adjustment mechanism (41) having the expanded position away from the axis of the housing (10);

a second adjusting mechanism (42), a first end of the second adjusting mechanism (42) is movably connected with the water pan (61), a second end of the second adjusting mechanism (42) has a necking position close to the axis of the casing (10), and a second end of the second adjusting mechanism (42) has a flaring position far away from the axis of the casing (10), when the first adjusting mechanism (41) and the second adjusting mechanism (42) are both located at the necking position, the first end of the first adjusting mechanism (41) is in contact with the second end of the second adjusting mechanism (42), and the first adjusting mechanism (41) and the second adjusting mechanism (42) enclose the second air duct (52) to be sealed.

10. A cabinet air conditioner according to claim 9, wherein when the first and second adjustment mechanisms (41, 42) are both in the flared position, at least one of the first and second adjustment mechanisms (41, 42), the housing (10), the support portion (60), and the drip tray (61) enclose the second air duct (52).

11. The cabinet air conditioner according to claim 9, wherein when the first adjustment mechanism (41) and the second adjustment mechanism (42) are both located at the throat position, the area of the cross section of the second air duct (52) is gradually decreased in a direction away from the mixed flow fan portion (30).

12. A cabinet air conditioner according to claim 9, characterized in that when the first adjusting mechanism (41) and the second adjusting mechanism (42) are both located at the flared position, the area of the cross section of the duct structure enclosed by the second adjusting mechanism (42) is gradually increased in a direction towards the mixed flow fan portion (30).

13. A cabinet air conditioner according to claim 9, characterized in that the first adjusting mechanism (41) comprises:

first arc regulating plate (411), the first end of first arc regulating plate (411) with the end side wall in first wind channel (51) is articulated mutually, the second end of first arc regulating plate (411) is kept away from first wind channel (51) sets up, first arc regulating plate (411) are a plurality of, and are a plurality of first arc regulating plate (411) are followed the circumference setting in first wind channel (51), when each first arc regulating plate (411) are located during the throat position, it is a plurality of first arc regulating plate (411) enclose and establish annular wind channel structure.

14. The cabinet air conditioner according to claim 13, wherein the second end of the first arc-shaped adjusting plate (411) is provided with a folded edge (412), and the folded edge (412) is folded towards one side of the shell (10).

15. A cabinet air conditioner according to claim 9, characterized in that the second adjustment mechanism (42) comprises:

second arc regulating plate (421), the first end of second arc regulating plate (421) with the bottom of water collector (61) is articulated, the second end of second arc regulating plate (421) can wind the first end of second arc regulating plate (421) with the pin joint of water collector (61) sets up with rotating, second arc regulating plate (421) are a plurality of, and are a plurality of second arc regulating plate (421) are followed the circumference that overflows passageway (70) sets up, works as each second arc regulating plate (421) are located during the throat position, and are a plurality of second arc regulating plate (421) enclose and establish annular wind channel structure.

16. A cabinet air conditioner according to claim 15, characterized in that the support portion (60) further comprises:

annular supporting bench (62), annular supporting bench (62) with the inner wall of casing (10) is connected, water collector (61) with annular supporting bench (62) are connected and are located the top of annular supporting bench (62), work as second arc regulating plate (421) are located when the flaring position, the second end of second arc regulating plate (421) with the inner peripheral surface sealing connection of annular supporting bench (62).

17. A cabinet air conditioner according to claim 16, characterized in that the bottom of the annular support platform (62) is provided with a slope, and when the second arc-shaped regulation plate (421) is in the flared position, the lower surface of the second arc-shaped regulation plate (421) is parallel to the slope.

18. The cabinet air conditioner as recited in claim 2, wherein the heat exchanger (20) is a cylindrical structure, the axis of the heat exchanger (20) is arranged along the vertical direction, and a top plate (21) is arranged at one end of the heat exchanger (20) close to the air inlet (11).

19. A cabinet air conditioner control method for controlling the cabinet air conditioner of any one of claims 1 to 18, the method comprising the steps of:

when a heating mode is selected through a controller of the cabinet air conditioner, the adjusting mechanism (40) is located at the necking position, the mixed flow fan part (30) sucks external air flow into the shell (10) from the upper air inlet (11) to exchange heat with the heat exchanger (20), and then the external air flow is discharged out of the shell (10) through the lower air inlet (12);

when the controller selects a refrigeration mode, the adjusting mechanism (40) is located at the flaring position, and the mixed flow fan part (30) sucks external air flow into the shell (10) from the lower air opening (12) to exchange heat with the heat exchanger (20) and then discharges the air flow out of the shell (10) through the upper air opening (11).

20. The method of claim 19, wherein the cabinet air conditioner further comprises a blowing mode, the adjusting mechanism (40) is located at the throat position when the blowing mode is selected by the controller, and the mixed flow fan portion (30) draws 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), or the adjusting mechanism (40) is located at the flared position when the blowing mode is selected by the controller, and the mixed flow fan portion (30) draws the 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);

wherein, in the air supply mode, the heat exchanger (20) is in a non-working state.