CN106440046B

CN106440046B - Top air outlet air conditioner and control method thereof

Info

Publication number: CN106440046B
Application number: CN201610931879.0A
Authority: CN
Inventors: 叶海林
Original assignee: Midea Group Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date: 2016-10-31
Filing date: 2016-10-31
Publication date: 2021-11-02
Anticipated expiration: 2036-10-31
Also published as: CN106440046A

Abstract

The invention provides a top air-out air conditioner, which comprises a front air outlet, a shell, an air-out frame, a heat exchanger and a front air-out assembly, wherein the front air outlet is positioned at the front part of the top air-out air conditioner; and the fan sucks a part of air flow in the shell after heat exchange by the heat exchanger from the through hole and discharges the air flow from the flow guide hole. The air conditioner not only has the traditional front air outlet function, but also has the air outlet function at the top, so that part of air flow entering the air conditioner body after heat exchange is discharged from the top, and the air exhaust quantity from the front of the air conditioner body is reduced, thereby realizing the purpose that the air conditioner does not feel uncomfortable such as overcooling, overheating and the like when directly blowing on the premise of ensuring that the air conditioner has enough air quantity when refrigerating and heating indoor air.

Description

Top air outlet air conditioner and control method thereof

Technical Field

The invention relates to the technical field of air conditioners, in particular to a top air outlet air conditioner and a control method thereof.

Background

Currently, an air conditioner, which is a kind of home appliance, has been gradually applied to various general households. The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit is also provided with a vertical air conditioner and a wall-mounted air conditioner, and the vertical air conditioner is also called a cabinet air conditioner. In the vertical air conditioner, the air outlet is generally positioned at the front part of the machine body, some air outlets are directly communicated with the inside and the outside of the machine body, and some air outlets are externally provided with a switch door which is opened when in use and closed when not in use, thus playing a dustproof role. However, most of the existing vertical air conditioners are only provided with the air outlet in the front of the air conditioner body, so that only front air outlet can be performed regardless of refrigeration and heating, the function is single, and meanwhile, cold air or hot air is directly blown out from the front air outlet of the air conditioner and blown to the body of an indoor user, so that the user can feel too cold or too hot, the user feels uncomfortable, and the use experience of the user is influenced.

Therefore, it is an urgent technical problem to be solved by those skilled in the art to ensure that the air conditioner has a sufficient air volume when cooling or heating the indoor air and does not cause a user to feel uncomfortable feeling such as supercooling or overheating during the direct blowing.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a top-outlet air conditioner, which not only has a conventional front-outlet function, but also has an outlet function at the top thereof, so that a part of the air flow entering the air conditioner body after heat exchange is discharged from the top, thereby reducing the amount of air discharged from the front of the air conditioner body, and thus, on the premise of ensuring that the air conditioner has sufficient air volume when cooling and heating the indoor air, the discomfort of supercooling, overheating, etc. caused by direct blowing is not caused to the user.

The technical scheme for solving the technical problems is as follows: a top air-out air conditioner comprises a front air outlet, a shell, an air-out frame, a heat exchanger and a front air-out assembly, wherein the front air outlet is positioned at the front part of the top air-out air conditioner; the mounting bracket is provided with a through hole which is communicated up and down; the sealing partition plate is provided with a flow guide hole which is communicated up and down, and the sealing partition plate is arranged above the fan; the fan is arranged on the mounting bracket; and the fan sucks a part of air flow in the shell after heat exchange by the heat exchanger from the through hole and discharges the air flow from the flow guide hole.

On the basis of the technical scheme, the invention can be further improved as follows.

Furthermore, a coaming is arranged around the through hole of the mounting bracket, and the coaming is attached and sealed with the shell and the air outlet frame.

Furthermore, the inner side surface of the upper part of the shell is provided with a mounting rib plate, the edge part of the sealing partition plate is fixedly mounted on the mounting rib plate through a screw, and the periphery of the sealing partition plate is attached and sealed with the shell.

Further, the air exit orientation of fan is upwards, sealed baffle the water conservancy diversion hole just right the fan the air exit, the air exit of fan pass through the screw with sealed baffle's downside fixed connection.

Further, the bottom of fan is equipped with three to five interval distribution's installation foot, the position that corresponds on the installing support is equipped with the mount table, the installation foot one-to-one seat in through screw fixed connection on the mount table.

Further, the fan is a centrifugal fan, and an air outlet of the centrifugal fan is positioned at the position, close to the rear, of the center of the shell.

Further, a top air duct assembly for guiding the air flow discharged from the air guide holes to the air flow is further installed above the sealing partition plate.

Further, the top air duct assembly comprises a guide air duct and a top cover plate;

the guide air duct is provided with an enclosure and a guide plate, the enclosure is in an annular shape which is communicated up and down, the guide plate is arranged in the enclosure, two ends of the guide plate are connected with the inner wall of the enclosure, the guide plate and the enclosure form an air duct structure with the front part in an expanded shape, the rear part of the air duct structure is positioned above the guide holes, the rear side wall of the enclosure is provided with a circular arc-shaped transition surface from bottom to top, and air flow discharged from the guide holes can be guided to the front part from the rear part of the air duct structure; an air outlet which is communicated up and down is arranged at the front part of the top cover plate and is communicated with the air duct structure; the top cover plate is fixedly connected with the top of the diversion air duct through screws.

Furthermore, a plurality of connecting rib plates are arranged between the non-wind-conducting side of the guide plate and the inner wall of the enclosure.

Further, the air outlet of the top cover plate is of a grid structure or is provided with air guide blades.

Furthermore, the top-outlet air conditioner also comprises a cross-flow wind wheel which is arranged in the shell and used for discharging airflow from the front air outlet, the front air outlet is arranged on the air outlet frame, and the top-outlet air conditioner also comprises a switch door which is arranged outside the air outlet frame and can be freely opened and closed.

The technical scheme of the invention has the beneficial effects that the top air outlet assembly is arranged at the top of the air conditioner, and partial air flow in the shell after heat exchange by the heat exchanger can be discharged from the top of the vertical air conditioner by utilizing the top air outlet assembly, while the heat exchanger in the air conditioner is not increased. The whole air conditioner equivalently comprises two air outlet systems, one air outlet system is a traditional front air outlet system, the other air outlet system is a top air outlet assembly, and the two air outlet systems share one heat exchanger. Therefore, the top air outlet assembly can be utilized to split the air volume which can only be discharged from the front air outlet originally into a part and discharge the part from the top, the air volume required for heating and refrigerating a room is not reduced, the air discharged from the front air outlet can be blown to a user, the supercooling and overheating feeling can not be generated, and the user experience is greatly improved. In addition, the air flow is discharged to a high position by the top air outlet assembly, heat exchange circulation of air in a room is facilitated, particularly in the refrigeration process, the cold air sinks due to the fact that the density of the cold air is higher than that of hot air, and the upward discharge of the cold air is more beneficial to heat exchange of the air in the room.

In the top air outlet air conditioner provided by the invention, the fan is fixed with the mounting table on the mounting bracket through the mounting feet, and is fixed with the sealing partition plate through the screw at the air outlet, and the sealing partition plate is simultaneously fastened with the box body through the screw. Therefore, the fan forms a cavity with sealed periphery and two open ends through the sealing partition plate, the mounting bracket, the shell (rear box body) and the air outlet frame, the cavity is an air flowing cavity of the top air outlet air duct system, air is sucked by the centrifugal fan from the through hole in the middle of the bracket and is blown out from the flow guide hole in the middle of the sealing partition plate, and air flowing is formed.

In order to ensure that the peripheral sealing performance of the cavity is good, the peripheral boards on the periphery of the mounting bracket are sealed with the shell and the air outlet frame, and the periphery of the sealing partition board is attached to the shell for sealing, so that air flow can be prevented from leaking from gaps and affecting the using effect.

In addition, through installing in top air-out subassembly upper portion top wind channel subassembly because it has the water conservancy diversion structure, can once carry out the water conservancy diversion with the air current of top air-out subassembly discharge and then change the flow direction according to predetermined direction to satisfy user's multiple demand, further reinforcing user experience effect simultaneously.

The invention also provides a control method of the top air outlet air conditioner, which comprises the following steps:

s1, starting the air conditioner and selecting an automatic operation mode;

s2, when the temperature detection device detects that the current room temperature is greater than a preset temperature value, controlling the air conditioner to operate in a refrigeration mode, simultaneously starting the front air outlet assembly and the top air outlet assembly to operate, and simultaneously starting the humidity detection device to detect the current humidity;

if the humidity detection device detects that the current air humidity is smaller than a preset humidity range, the heat exchanger is controlled to operate at an increased temperature, the frequency of the compressor is reduced, and the front air outlet assembly and the top air outlet assembly continue to operate simultaneously; if the current air humidity is detected to be larger than the preset humidity range value, controlling the heat exchanger to reduce the temperature and operate, simultaneously increasing the frequency of a compressor, closing the front air outlet assembly, and continuing to operate the top air outlet assembly;

and S3, when the temperature detection device detects that the current room temperature is less than a preset temperature value, controlling the air conditioner to operate in a heating mode, simultaneously starting the front air-out assembly and the top air-out assembly to operate, and controlling the front air-out assembly to close or reduce the air volume to operate after the room temperature rises to the preset temperature value.

Further, the preset humidity range value is 45% -70%, and in the humidity range, the human body is most comfortable.

Further, S2, when the humidity detection device detects that the current air humidity is smaller than the preset humidity range, controlling the heat exchanger to operate at 1.5-2.5 ℃ and simultaneously reducing the frequency of the compressor; when the humidity detection device detects that the current air humidity is larger than a preset humidity range value, the heat exchanger is controlled to reduce the temperature to 1.5-2.5 ℃ for operation, meanwhile, the frequency of the compressor is improved, and the front air outlet assembly is closed. The heat exchanger is increased or reduced within the range of 1.5-2.5 ℃ according to the requirement, the influence on the adjustment of the air temperature is not caused, and the dehumidification requirement can be met.

When the user uses the vertical air conditioner, in order to improve the intelligent degree of the air conditioner, an automatic operation mode is set, the user can select the mode when the air conditioner is just started, and in the mode, the air conditioner can automatically select a cooling or heating mode according to the current room temperature without selecting any more, so that the requirement of one-key operation of the user is met.

When the temperature detection device detects that the current room temperature is greater than the preset temperature value, the air conditioner is controlled to operate in a refrigeration mode, and the humidity needs to be adjusted in the refrigeration mode. The front air outlet assembly and the top air outlet assembly are simultaneously started to operate, and a humidity detection device is simultaneously started to detect the current humidity;

if the humidity detection device detects that the current air humidity is smaller than the preset humidity range, the indoor space is too dry, the dehumidification capacity of the air conditioner needs to be reduced, the heat exchanger is controlled to operate at the increased temperature, the frequency of the compressor is reduced, and the front air outlet assembly and the top air outlet assembly continue to operate simultaneously; if the current air humidity is detected to be larger than the preset humidity range value, the indoor space is too humid, the dehumidification amount of the air conditioner needs to be increased, the heat exchanger is controlled to operate at a reduced temperature, the frequency of the compressor is increased, the front air outlet assembly is closed, and the top air outlet assembly continues to operate;

when the temperature detection device detects that the current room temperature is smaller than a preset temperature value, the air conditioner is controlled to operate in a heating mode, the front air outlet assembly and the top air outlet assembly are simultaneously started to operate, and when the room temperature rises to the preset temperature value, the front air outlet assembly is controlled to be closed to operate or reduce the air volume to operate.

Under the heating mode, generally be winter, the air is generally comparatively dry, after indoor temperature reached preset temperature, because hot-air can rise, can close top air-out subassembly, and preceding air-out subassembly continues the operation. Therefore, energy can be saved and consumption can be reduced to the maximum extent, and the user feels more comfortable.

Drawings

FIG. 1 is a front view of a top-outlet air conditioner;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

fig. 3 is a schematic view of an overall disassembled structure of the top-outlet air conditioner shown in fig. 1;

fig. 4 is another disassembled schematic view of the top-outlet air conditioner shown in fig. 1;

fig. 5 is a schematic structural view of the air guide duct.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the air conditioner comprises a door switch, a door 2, an air outlet frame, a door 3, a volute, a casing 4, a casing 5, a heat exchanger, a fan 6, a fan 7, a mounting support 8, a sealing partition plate 9, a guide air duct 10, a top cover plate 11, a grid structure 12, a top plate 13, a guide pressure plate 14, a mounting rib plate 21, a front air outlet 51, a heat exchanger support 61, an air outlet 62, a mounting foot 71, a through hole 72, a mounting platform 81, a guide hole 91, a baffle 92, a guide plate 93, a connecting rib plate 94 and an air duct structure.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, fig. 1 is a front view of a top-outlet air conditioner; FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1; fig. 3 is a schematic view of an overall disassembled structure of the top-outlet air conditioner shown in fig. 1; fig. 4 is another disassembled schematic view of the top-outlet air conditioner shown in fig. 1; fig. 5 is a schematic structural view of the air guide duct.

The invention provides a top air-out air conditioner, which comprises a front air outlet 21 positioned at the front part of the top air-out air conditioner, a shell 4, an air-out frame 2, a heat exchanger 5 arranged in the shell 4 and a front air-out component, wherein a mounting bracket 7, a fan 6 and a sealing partition plate 8 are sequentially arranged in the shell above the heat exchanger from bottom to top; the mounting bracket 7 is provided with a through hole 71 which is vertically communicated; the sealing partition plate 8 is provided with a vertically through flow guide hole 81, and the sealing partition plate 8 is arranged above the fan 6; the fan 6 is arranged on the mounting bracket 7; the fan sucks a part of air flow in the shell 4 after heat exchange by the heat exchanger 5 from the through hole 71 and discharges the air flow from the diversion hole 81.

The mounting bracket 7 is arranged at the top of the heat exchanger bracket 51 and is fastened by screws, a coaming 72 is arranged around the through hole 71 of the mounting bracket 7, and the coaming 72 is attached and sealed with the shell 4 and the air outlet frame 2. And the inner side surface of the upper part of the shell 4 is provided with a mounting rib plate 14, the edge part of the sealing partition plate 8 is fixedly mounted on the mounting rib plate 14 through a screw, and the periphery of the sealing partition plate is attached and sealed with the shell 4. Fan 6's air exit 61 orientation upwards, sealed bulkhead 8 the water conservancy diversion hole 81 is just right fan 6 air exit 61, fan 6's air exit 61 through the screw with sealed bulkhead 8's downside fixed connection.

The bottom of fan 6 is equipped with four interval distribution's installation foot 62, the position that corresponds on the installing support 7 is equipped with mount table 72, installation foot 62 one-to-one is in on the mount table 72 and through screw fixed connection.

The fan 6 forms a cavity with sealed periphery and two open ends through the sealing partition plate 8, the mounting bracket 7, the rear box body and the air outlet frame 2, and is an air flowing cavity of the top air outlet duct system, air is sucked by the centrifugal fan from a through hole 71 in the middle of the bracket and is blown out from a flow guide hole 81 in the middle of the sealing partition plate 8, and air flowing is formed.

The fan 6 is fixed with the mounting bracket 7 through four feet of the top air outlet volute, and is fixed with the sealing partition plate 8 through screws at the air outlet 61, and the sealing partition plate 8 is simultaneously fastened with the mounting rib plate 14 on the shell 4 through screws.

The enclosing plates 72 around the mounting bracket 7 are attached to the housing 4 and the air outlet frame 2 to form a seal.

The casing 4 is generally a split structure, and includes a rear casing and a front casing, which are fastened to each other and mounted on the base to form a main structure of the air conditioner. An air inlet is arranged at the rear part of the rear box body, and a heat exchanger 5 is arranged inside the shell 4 and is arranged on a heat exchanger bracket. The front air outlet assembly generally mainly comprises a driving motor, a cross-flow wind wheel (not shown in the figure), a volute 3 and a volute tongue (not shown in the figure), wherein the cross-flow wind wheel is driven by the driving motor to suck air outside the machine body from an air inlet at the rear end of the shell 4, and after heat exchange is carried out through a heat exchanger, all air flow is sent out from a front air outlet 21, so that the purposes of refrigerating and heating are achieved. In the invention, under the condition of keeping the front air outlet unchanged, a top air outlet assembly is arranged above the heat exchanger, so that a part of air flow in the shell 4 after heat exchange by the heat exchanger 5 can be discharged from the top of the vertical air conditioner, and the other part of air flow is still discharged from the front air outlet. Many current top air-out adopt independent air duct system, and the air duct system who goes out the air with preceding is separated, adopts the form of two heat exchangers even, so not only can increase the cost of manufacturing, but also can increase the degree of difficulty of assembly. The invention is an integrated air duct system, is more stable, better for the system, and simple to install, and the top air outlet and the front air outlet share the same heat exchanger, thus the cost is lower.

The fan 6 can be a centrifugal fan or a cross flow fan, and the centrifugal fan is small in transverse size and is suitable for a top air outlet mode, so that the centrifugal fan 6 is preferably centrifugal. The air outlet 61 is located at the rear position of the center of the shell 4, so that the air flow is conveniently discharged from the rear to the front.

The air exit 61 periphery of fan 6 is equipped with one or more screw holes, sealed baffle 8 the water conservancy diversion hole 81 periphery be equipped with the mounting hole that the screw hole position corresponds, the air exit 61 of fan 6 pass through the screw with sealed baffle 8's downside fixed connection. Therefore, the sealing partition plate 8 and the air outlet 61 of the fan 6 can be stably fixed together, vibration noise generated by the action of wind power in work can be prevented, and the fan 6 is favorable for guiding airflow into the top air duct assembly.

The top air channel assembly comprises a guide air channel 9 and a top cover plate 10; the water conservancy diversion wind channel 9 has and encloses fender 91 and guide plate 92, enclose the annular that keeps off 91 for lining up from top to bottom, guide plate 92 locates enclose in the fender 91, guide plate 92's both ends with the inner wall that encloses fender 91 meets, guide plate 92 with enclose and keep off 91 and form the anterior wind channel structure 94 for flaring form, wind channel structure 94's rear portion is located water conservancy diversion hole 81 top covers the air exit of fan 6 just in time, takes in its combustion gas stream. The rear side wall of the enclosure 91 is provided with a circular arc-shaped transition surface from bottom to top, and the airflow discharged from the flow guide holes 81 can be guided to the front part from the rear part of the air duct structure 94; an air outlet which is communicated up and down is arranged at the front part of the top cover plate 10 and is communicated with the air duct structure 94; the top cover plate 10 is fixedly connected with the top of the guide air duct 9 through screws, so that good sealing is ensured.

A plurality of connecting rib plates 93 are arranged between the non-air-guide side of the guide plate 92 and the inner wall of the enclosure 91 so as to enhance the overall strength of the guide air duct 9 and prolong the service life.

The top cover plate 10 may be a disc-shaped structure or other structures, and is provided with a top air outlet. The top cover plate 10 is mounted on the top of the housing 4 to cover the fan 6 inside the housing 4. The structure of the air outlet of the top cover plate 10 may be diversified, for example, the air outlet may be designed as a grid structure 11, or may be provided with air guide vanes, the air guide vanes may be manual or automatic, or the air guide direction may be set to swing left and right or up and down as required, or may be in various combinations.

The upper portion of the top cover plate 10 can also be provided with a diversion pressure plate 13, the diversion pressure plate 13 is provided with a top plate 12, the top plate 12 is fixedly connected to the top of the diversion pressure plate 13, as shown in the figure, the bottom of the diversion pressure plate 13 is fixedly connected to the center of the top cover plate 10, and the longitudinal section of the diversion pressure plate 13 is in an arc shape which is bent inwards. The flow guide pressure plate 13 is of a hollow structure with an open upper part, the upper part of the flow guide pressure plate 13 is provided with an outward extending edge along the circumferential direction, and the bottom of the flow guide pressure plate 13 is fixed on the upper surface of the top cover plate 10 through screws; the top plate 12 is horizontally fixed on the upper part of the diversion pressure plate 13 in a buckling and screw connection or bonding mode, and is attached to the edge of the upper part of the diversion pressure plate 13.

The top-outlet air conditioner shown in fig. 1 to 4 is a cross-flow front outlet air conditioner, and the cross-flow wind wheel is mounted on the volute 3 in the housing 4 and is used for discharging airflow from the front outlet 21. The air conditioner is characterized in that an air outlet frame 2 is arranged at the front part of the air conditioner, and a front air outlet 21 is arranged on the air outlet frame 2. And a switch door 1 which can be freely opened and closed is arranged outside the air outlet frame 2.

When the switch door 1 is used, the switch door 1 can be opened through the controller and closed when not used, so that dust or foreign matters are prevented from entering.

s1, starting the air conditioner and selecting an automatic operation mode;

Further, S2, when the detection device detects that the current air humidity is less than the preset humidity range, the controller controls the heat exchanger to increase the temperature to 1.5-2.5 ℃ and reduce the frequency of the compressor; when the detection device detects that the current air humidity is larger than the preset humidity range value, the controller controls the heat exchanger to reduce the temperature of 1.5-2.5 ℃ for operation, and meanwhile, the frequency of the compressor is increased, and the front air outlet assembly is closed. The heat exchanger is increased or reduced within the range of 1.5-2.5 ℃ according to the requirement, the influence on the adjustment of the air temperature is not caused, and the dehumidification requirement can be met.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Claims

1. A top air outlet air conditioner comprises a front air outlet (21) positioned at the front part of the top air outlet air conditioner, a shell (4), an air outlet frame (2), a heat exchanger (5) installed inside the shell (4) and a front air outlet assembly, and is characterized in that an installation support (7), a fan (6) and a sealing partition plate (8) are sequentially arranged in the shell (4) above the heat exchanger (5) from bottom to top;

the mounting bracket (7) is provided with a through hole (71) which is communicated up and down;

the sealing partition plate (8) is provided with a guide hole (81) which is communicated up and down, and the sealing partition plate (8) is arranged above the fan (6);

the fan (6) is arranged on the mounting bracket (7);

the fan sucks a part of air flow in the shell (4) after heat exchange through the heat exchanger (5) from the through hole (71) and discharges the air flow from the diversion hole (81);

the fan (6) is a centrifugal fan, and an air outlet (61) of the centrifugal fan is positioned at the position behind the center of the shell (4);

a top air duct assembly for guiding the air flow discharged from the flow guide holes (81) in the air flow direction is further installed above the sealing partition plate;

the top air channel assembly comprises a guide air channel (9) and a top cover plate (10);

the guide air duct (9) is provided with an enclosure (91) and a guide plate (92), the enclosure (91) is in an annular shape which is communicated up and down, the guide plate (92) is arranged in the enclosure (91), two ends of the guide plate (92) are connected with the inner wall of the enclosure (91), the guide plate (92) and the enclosure (91) form an air duct structure (94) with the front part being in an expanded shape, the rear part of the air duct structure (94) is positioned above the guide holes (81), the rear side wall of the enclosure (91) is provided with a circular arc-shaped transition surface from bottom to top, and air discharged from the guide holes (81) can be guided to the front part from the rear part of the air duct structure (94);

an air outlet which is communicated up and down is arranged at the front part of the top cover plate (10), and the air outlet is communicated with the air duct structure (94);

the top cover plate (10) is fixedly connected with the top of the guide air duct (9) through screws.

2. A top outlet air conditioner according to claim 1, wherein a surrounding plate (72) is provided around the through hole of the mounting bracket (7), and the surrounding plate (72) is attached and sealed with the casing (4) and the outlet frame (2).

3. A top-outlet air conditioner according to claim 2, wherein the inner side surface of the upper part of the casing (4) is provided with a mounting rib plate (14), the edge part of the sealing partition plate (8) is fixedly mounted on the mounting rib plate (14) through a screw, and the periphery of the sealing partition plate is attached and sealed with the casing (4).

4. A top-outlet air conditioner according to claim 3, characterized in that the air outlet (61) of the fan (6) is upward, the guiding hole (81) of the sealing partition (8) is right opposite to the air outlet (61) of the fan (6), and the air outlet (61) of the fan (6) is fixedly connected with the lower side of the sealing partition (8) through a screw.

5. The top-outlet air conditioner according to claim 4, wherein three to five mounting feet (62) are arranged at the bottom of the fan (6) and are distributed at intervals, mounting platforms (72) are arranged at corresponding positions on the mounting bracket (7), and the mounting feet (62) are correspondingly arranged on the mounting platforms (72) one by one and are fixedly connected through screws.

6. A top outlet air conditioner according to claim 1, wherein a plurality of connecting rib plates (93) are provided between the non-air-guiding side of the deflector (92) and the inner wall of the enclosure (91).

7. A top outlet air conditioner according to claim 1, wherein the outlet of the top cover plate (10) is a grid structure (11) or is provided with wind guiding blades.

8. A top-outlet air conditioner according to any one of claims 1 to 5, further comprising a cross-flow wind wheel installed inside the casing (4) for discharging airflow from the front outlet (21), wherein the front outlet (21) is disposed on the outlet frame (2), and the top-outlet air conditioner further comprises a freely openable and closable switch door (1) disposed outside the outlet frame (2).

9. A method for controlling a top-outlet air conditioner according to any one of claims 1 to 8, comprising the steps of:

s1, starting the air conditioner and selecting an automatic operation mode;

10. The control method according to claim 9, characterized in that said preset humidity range value is 45% -70%.

11. The control method according to claim 9 or 10,

s2, when the humidity detection device detects that the current air humidity is smaller than a preset humidity range, controlling the heat exchanger to operate at 1.5-2.5 ℃ and simultaneously reducing the frequency of the compressor;

when the humidity detection device detects that the current air humidity is larger than a preset humidity range value, the heat exchanger is controlled to reduce the temperature to 1.5-2.5 ℃ for operation, meanwhile, the frequency of the compressor is improved, and the front air outlet assembly is closed.