CN216924547U

CN216924547U - Air outlet switching component and air conditioner indoor unit

Info

Publication number: CN216924547U
Application number: CN202122855363.1U
Authority: CN
Inventors: 李骋; 张中晓; 徐雪峰; 顾超; 李婧; 田志强; 魏伟; 孙明明
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-07-08
Anticipated expiration: 2031-11-19

Abstract

The application relates to the technical field of air conditioners and discloses an air outlet switching assembly and an air conditioner indoor unit. The application provides an air outlet switches subassembly includes centrifugal fan, sealed baffle, connecting plate and power component. The centrifugal fan comprises a volute and a wind wheel in the volute; the sealing partition plate is fixedly connected with the volute; the sealing partition plate and the connecting plate are rotatably connected with the inlet air flow and the outlet air flow of the volute through bearings and are positioned on two sides of the sealing partition plate; the power assembly is used for driving the sealing partition plate to drive the volute to axially rotate relative to the connecting plate; wherein x is within the range of 0.6-0.9, and the ratio x of the diameter of the wind wheel to the height of the volute is within the range of 0.6-0.9. The sealing partition plate drives the volute to axially rotate around the axis of the bearing under the driving of the power assembly, so that the air outlet switching assembly can switch the air outlet direction without additionally arranging an avoiding space. On the premise of ensuring the air supply performance, the problem that the air direction of the air conditioner indoor unit with the thickness of the whole machine in a 200mm space cannot be switched is solved.

Description

Air outlet switching component and air conditioner indoor unit

Technical Field

The application relates to the technical field of air conditioners, for example, to an air outlet switching assembly and an air conditioner indoor unit.

Background

With the improvement of living standard, the air conditioner becomes an indispensable household appliance for improving the quality of life, and the application is wide. The indoor air conditioner installed on the wall above a room or the suspended ceiling of the room is mainly lateral air outlet, the density of hot air is low during heating, the hot air floats upwards through the lateral air outlet, the hot air cannot be blown to a user located in the lower region of the room, the temperature distribution in the room is uneven, the problem of up-heating and down-cooling is caused, and particularly, the experience feeling is poor for a user who is easy to feel cold with hands and feet.

In the prior art, in order to realize the switching of the airflow direction of an air conditioner indoor unit and enable the air conditioner indoor unit to have different air outlet forms in different modes, the air conditioner indoor unit comprises a shell and a rotary air duct assembly. The shell is provided with a first air port and a second air port; the rotary air duct assembly is arranged in the shell and can rotate relative to the shell so that the indoor air conditioner can be switched between a first air outlet mode and a second air outlet mode. The housing includes a stationary housing portion and a movable housing portion that is movable in a direction away from the stationary housing portion and has a travel that allows the rotary air duct assembly to freely rotate within the housing. The bottom of the fixed shell part is opened to form an open opening, the movable shell part is closed to the open opening, the movable shell part can move downwards relative to the open opening to form an avoiding space between the open opening and the movable shell part, and the avoiding space allows the rotary air duct assembly to at least partially penetrate into the avoiding space when rotating.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the existing rotary air duct assembly needs to provide a certain avoiding space for rotation of the rotary air duct assembly in the air opening switching process, so that the air-conditioning indoor unit occupies a large space, and the small-size requirement of a user on the reversible air-conditioning indoor unit cannot be met.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides an air outlet switching assembly and an air conditioner indoor unit, wherein a sealing partition plate drives a volute to axially rotate around the axis of a bearing under the driving of a power assembly, so that the air outlet switching assembly can switch the air outlet direction without additionally arranging an avoiding space. On the premise of ensuring the air supply performance, the problem that the air direction of the air conditioner indoor unit with the thickness of the whole machine in a 200mm space cannot be switched is solved.

In some embodiments, the outlet switching assembly includes a centrifugal fan, a sealing baffle, a connecting plate, and a power assembly. The centrifugal fan comprises a volute and a wind wheel in the volute; the sealing partition plate is fixedly connected with the volute; the sealing partition plate is rotationally connected with the connecting plate through a bearing; the power assembly is used for driving the sealing partition plate to drive the volute to axially rotate relative to the connecting plate; wherein, the range of the ratio x of the diameter of the wind wheel to the height of the volute is as follows: x is more than or equal to 0.6 and less than or equal to 0.9.

In some alternative embodiments, the volute comprises an upper volute section and a lower volute section. The upper volute part comprises a volute air outlet; the lower volute part is connected with the upper volute part in a clamping manner; wherein, the range of the volute height h is as follows: h is more than or equal to 160mm and less than or equal to 195 mm.

In some optional embodiments, the sealing partition plate is rotatably connected with the connecting plate, and the sealing partition plate comprises a plurality of avoidance gaps; the centrifugal fans are multiple in number, and the multiple volutes are fixed on the multiple avoidance notches in a one-to-one correspondence mode.

In some optional embodiments, the seal further comprises a baffle plate pivotally connected with the seal partition plate through a pivot; wherein, the baffle is used for the air inlet air current and the air-out air current of sealed baffle in order keeping apart centrifugal fan in the cooperation.

In some alternative embodiments, the power assembly includes a drive gear, a driven gear, and a first drive device. The driven gear is meshed with the driving gear and is fixedly connected with the sealing partition plate; the driving output end of the first driving device is connected with the driving gear to drive the driving gear to rotate, and then the driven gear is driven to rotate, so that the driven gear drives the sealing partition plate to rotate relative to the connecting plate.

In some alternative embodiments, the tooth surface of the driven gear is an arcuate tooth surface, and the range of the arcuate angle θ of the arcuate tooth surface is: theta is more than or equal to 55 degrees and less than or equal to 75 degrees.

In some optional embodiments, the air outlet switching assembly further comprises a rotating shaft; the wind wheel of a plurality of centrifugal fan is worn to establish by the fixed pivot, and pivot axial rotation can drive a plurality of wind wheels rotatory.

In some embodiments, the indoor unit of an air conditioner includes the air outlet switching assembly, the indoor unit of an air conditioner is provided with a side air outlet and a lower air outlet, the indoor unit of an air conditioner can be switched between a first air outlet mode and a second air outlet mode, and when the indoor unit of an air conditioner is in the first air outlet mode, air is supplied from the side air outlet and is discharged from the lower air outlet; and when the indoor unit of the air conditioner is in the second air outlet mode, air is fed in through the lower air inlet and is discharged through the side air outlet.

In some optional embodiments, the plane where the side air inlet is located is a first side surface, and the first side surface is a vertical surface; the plane of the lower air inlet is a first bottom surface, and the first bottom surface is a horizontal plane; under the first air outlet mode, the range of the offset angle alpha between the plane where the air outlet of the volute is located and the first bottom surface is as follows: alpha is more than or equal to 5 degrees and less than or equal to 15 degrees, and under the second air outlet mode, the range of the offset angle beta between the plane where the air outlet of the volute is located and the first side surface is as follows: beta is more than or equal to 10 degrees and less than or equal to 20 degrees.

In some optional embodiments, the air conditioning indoor unit further includes a control part configured to: when the first air outlet mode is switched to the second air outlet mode, the volute is controlled to rotate firstly, and then the baffle is controlled to rotate; and/or in the process of switching the second air outlet mode to the first air outlet mode, firstly controlling the baffle to rotate and then controlling the volute to rotate.

The air outlet switching component and the air conditioner indoor unit provided by the embodiment of the disclosure can realize the following technical effects:

the air outlet switching component comprises a centrifugal fan, a sealing partition plate, a connecting plate and a power component. The centrifugal fan comprises a volute and a wind wheel in the volute; the sealing partition plate is fixedly connected with the volute; the connecting plate is fixed in a shell of the indoor unit of the air conditioner, and the sealing partition plate is rotationally connected with the connecting plate through a bearing; the power assembly is used for driving the sealing partition plate to drive the volute to axially rotate relative to the connecting plate; wherein, the range of the ratio x of the diameter of the wind wheel to the height of the volute is more than or equal to 0.6 and less than or equal to 0.9. The sealing partition plate drives the volute to axially rotate around the axis of the bearing under the driving of the power assembly, so that the air outlet switching assembly can switch the air outlet direction without additionally arranging an avoiding space. On the premise of ensuring the air supply performance, the problem that the air direction of the air conditioner indoor unit with the thickness of the whole machine in a 200mm space cannot be switched is solved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic overall structure diagram of an air conditioner indoor unit provided in an embodiment of the present disclosure;

fig. 2 is a schematic partial structure diagram of an air conditioner indoor unit provided in the embodiment of the present disclosure;

fig. 3 is another partial schematic structural diagram of an air conditioning indoor unit according to an embodiment of the present disclosure;

fig. 4 is a schematic partial structure view of another air conditioning indoor unit provided in the embodiment of the present disclosure;

FIG. 5 is a schematic diagram of the overall structure of a volute provided by the embodiments of the present disclosure;

FIG. 6 is a schematic illustration of a partial structure of a connection plate and a power assembly provided by an embodiment of the disclosure;

FIG. 7 is a schematic view of a partial structure of a connection plate and a sealing diaphragm provided by an embodiment of the present disclosure;

fig. 8 is a partial structural schematic diagram of a housing and a centrifugal fan provided in the embodiment of the present disclosure.

Reference numerals:

1: a housing; 101: a side tuyere; 102: a lower tuyere; 2: sealing the partition plate; 21: avoiding the notch; 3: a volute; 31: a volute air outlet; 32: an upper volute portion; 33: a lower volute portion; 4: a connecting plate; 5: a power assembly; 51: a driven gear; 52: a first driving device; 53: a driving gear; 6: a rotating shaft; 7: a wind wheel; 8: a baffle plate; 81: a pivotal shaft; 9: a second driving device; 10: a heat exchanger; 11: a fixed seat; 12: a fixing frame.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure may be understood as specific cases by those of ordinary skill in the art.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

The air-conditioning indoor unit in this application includes wall-mounted air-conditioning indoor unit and air duct type air-conditioning indoor unit. The embodiments of the present disclosure will be described in detail with reference to an air duct type air conditioner indoor unit as an example.

The traditional single-air-outlet air pipe type air conditioner indoor unit comprises a side air opening and a lower air opening, wherein air is usually supplied through the lower air opening, air is supplied through the side air opening, an air channel in a shell of the air pipe type air conditioner indoor unit is formed by a fan and an air channel assembly, wherein the air channel assembly is fixed in the shell to form a fixed air channel, and air flow is supplied through the lower air opening, passes through the fan and a heat exchanger and then is supplied through the side air opening. The traditional single-air-outlet air pipe type air conditioner indoor unit cannot meet the requirement of a user on the heating process. Although the existing partial air pipe type air conditioner indoor unit can supply air through the side air inlet and supply air through the lower air outlet, when the air conditioner indoor unit is switched between modes, the air wheel component needs to rotate greatly relative to the shell, so that the air conditioner indoor unit capable of supplying air in a reversible manner cannot rotate within a space of 200mm in the thickness of the whole unit, and not only can the air supply performance be ensured, but also the air supply in a reversible manner can be realized.

Referring to fig. 1 to 8, an embodiment of the present disclosure provides an air outlet switching assembly and an indoor unit of an air conditioner.

The air outlet switching assembly provided by the embodiment of the disclosure comprises a centrifugal fan, a sealing partition plate 2, a connecting plate 4 and a power assembly 5. The centrifugal fan comprises a volute 3 and a wind wheel 7 in the volute 3; the sealing partition plate 2 is fixedly connected with the volute 3, and the air inlet flow and the air outlet flow of the volute 3 are positioned on two sides of the sealing partition plate 2; the sealing partition plate 2 is rotationally connected with the connecting plate 4 through a bearing; the power assembly 5 is used for driving the sealing partition plate 2 to drive the volute 3 to axially rotate relative to the connecting plate 4; wherein, the range of the ratio x of the diameter of the wind wheel 7 to the height of the volute 3 is more than or equal to 0.6 and less than or equal to 0.9. The sealing partition plate 2 drives the volute 3 to axially rotate around the axis of the bearing under the driving of the power assembly 5, so that the air outlet switching assembly can switch the air outlet direction without additionally arranging an avoiding space. The air supply performance of the indoor unit of the air conditioner is ensured by setting the ratio of the diameter of the wind wheel 7 to the height of the volute 3. The volute 3 axially rotates, and an extra avoiding space is not required to be provided, so that the problem that the air direction of the air conditioner indoor unit with the thickness of the whole machine in the 200mm space cannot be switched on the premise of ensuring the air supply performance is solved.

The air-conditioning indoor unit provided by the embodiment of the disclosure comprises the air outlet switching assembly, wherein the air-conditioning indoor unit is provided with a side air inlet 101 and a lower air inlet 102, the air-conditioning indoor unit can be switched between a first air outlet mode and a second air outlet mode, and air is fed from the side air inlet 101 and discharged from the lower air inlet 102 when the air-conditioning indoor unit is in the first air outlet mode; and when the indoor unit of the air conditioner is in the second air outlet mode, air is fed in from the lower air inlet 102 and is discharged from the side air inlet 101.

Optionally, the plane where the side wind port 101 is located is a first side surface, and the first side surface is a vertical surface; the plane where the lower air inlet 102 is located is a first bottom surface, and the first bottom surface is a horizontal plane; under the first air outlet mode, the range of the offset angle α between the plane where the air outlet of the volute 3 is located and the first bottom surface is as follows: alpha is more than or equal to 5 degrees and less than or equal to 15 degrees, and under the second air outlet mode, the range of the offset angle beta between the plane where the air outlet of the volute 3 is positioned and the first side surface is as follows: beta is more than or equal to 10 degrees and less than or equal to 20 degrees.

Specifically, when the air duct type air conditioner indoor unit operates in a heating working condition, the air is in a first air outlet mode, air is supplied through the side air inlet 101, and air is discharged through the lower air inlet 102. The air outlet direction of the air pipe type air conditioner indoor unit is downward air outlet, hot air is light and easy to float at the top of a room, and hot air can be conveyed to a human body region through the air outlet mode of the downward air outlet, so that the comfort of a space in the region where a user is located is better. When the air pipe type air conditioner indoor unit operates in a refrigerating working condition, the air is in a second air outlet mode, air is fed from the lower air inlet 102, and air is discharged from the side air inlet 101. The air outlet direction of the air pipe type air conditioner indoor unit is lateral air outlet, cold air descends from top to bottom during refrigeration, and refrigeration air supply is more uniform.

Because under the first air-out mode, the range of the offset angle α between the plane where the air outlet of the volute 3 is located and the first bottom surface is as follows: alpha is more than or equal to 5 degrees and less than or equal to 15 degrees, and under the second air outlet mode, the range of the offset angle beta between the plane where the air outlet of the volute 3 is positioned and the first side surface is as follows: beta is more than or equal to 10 degrees and less than or equal to 20 degrees. Therefore, when different air outlet modes are switched, the rotation angle of the volute 3 does not need to reach 90 degrees, and the air outlet direction switching of the lower air outlet and the side air outlet can be realized. Preferentially, the rotation angle of the sealing partition plate 2 is 65 degrees, so that the air pipe type air conditioner indoor unit can have better air outlet performance in a space with the thickness of 200mm of the whole machine.

Optionally, the sealing partition plate 2 is rotatably connected with the connecting plate 4, and the sealing partition plate 2 comprises a plurality of avoiding gaps 21; wherein, the quantity of centrifugal fan is a plurality of, and a plurality of volutes 3 one-to-one are fixed on a plurality of dodge breach 21. Specifically, the sealing separator 2 includes a first separator and a second separator. The first partition plate is provided with an avoiding gap 21, and the volute air outlet 31 is fixed on the avoiding gap 21; the second clapboard is vertically and fixedly connected with the first clapboard; the number of the second partition plates is two, the second partition plates are respectively positioned on two sides of the air inlet of the volute 3, and the first partition plate is positioned between the two second partition plates. Therefore, the first partition plate and the second partition plate can be connected more reliably, and the positioning is more accurate. The sealing partition plate 2 plays a certain role in bearing and supporting the plurality of volutes 3 and prevents the shell 1 from deforming. And can drive spiral case 3 and rotate, make the indoor set of air conditioner need not extra wind channel and switch the component and just can realize the switching air-out in wind gap.

Optionally, the volute 3 is removably connected to the sealing diaphragm 2. When the air pipe type air conditioner indoor unit is overhauled and cleaned, the connection between the volute 3 and the sealing partition plate 2 can be disassembled, the volute 3 is disassembled from the air outlet 102 of the shell 1, and the convenience of component disassembly is improved.

Optionally, the air outlet switching assembly further comprises a rotating shaft 6, and the rotating shaft 6 can be driven to rotate; the wind wheel 7 of a plurality of centrifugal fan is worn to establish by pivot 6 is fixed, and 6 axial rotations of pivot can drive a plurality of wind wheel 7 rotatoryly. The rotating shaft 6 and the sealing partition plate 2 are independent from each other, so that the volute 3 and the wind wheel 7 can work independently to realize multiple air outlet modes.

Optionally, the volute 3 comprises an upper volute portion 32 and a lower volute portion 33. The upper volute portion 32 includes a volute outlet 31; the lower volute part 33 is connected with the upper volute part 32 in a clamping manner; the range of the height h of the volute 3 is as follows: h is more than or equal to 160mm and less than or equal to 195 mm. The lower volute part 33 and the upper volute part 32 may be connected by a bayonet catch, or may be connected by other detachable connection forms, which are not limited herein. In order to strengthen the strength of the upper volute portion 32, an L-shaped fixing plate may be added, and two side edges of the L-shaped fixing plate are respectively fixed on the air outlet position of the upper volute portion 32 and the sealing partition plate 2. Wherein, the range of the height h of the volute 3 is as follows: h is not less than 160mm and not more than 195mm, the rotation of the volute 33 can be realized in the space with the thickness of the whole machine of 200mm, and the air supply performance is ensured.

Optionally, the air outlet switching assembly further includes a baffle 8 pivotally connected to the sealing partition 2 by a pivot; wherein, baffle 8 is used for the air inlet air current and the air-out air current of sealed baffle 2 in order to keep apart centrifugal fan in the cooperation. The volute air outlet 31 is fixed on the avoiding gap 21 of the sealing partition plate 2, the sealing partition plate 2 separates the volute air outlet 31 from air inlets at two sides of the volute 3, and the lower part of the sealing partition plate 2 can be in pivot connection with the baffle 8 through a pivot shaft 81. When the air pipe type air-conditioning indoor unit is switched from the first air outlet mode to the second air outlet mode, the sealing partition plate 2 drives the volute 3 to rotate, so that the air outlet direction of the volute air outlet 31 is switched from the lower air outlet 102 to the side air outlet 101, then the air channel forms a complete air channel curve through the rotating angle of the adjusting baffle plate 8, and further the air inlet air channel and the air outlet air channel are separated, the problem that turbulence and turbulence are caused by mutual interference of the air inlet air channel and the air outlet air channel is solved, the noise in the air-conditioning indoor unit is favorably reduced, and the air supply performance of the air-conditioning indoor unit is improved.

Optionally, the sealing diaphragm 2 comprises a first end plate and a second end plate. The first end plate is positioned at the side part of the volute 3; the second end plate is fixedly connected with the first end plate in a vertical mode, a plurality of avoiding openings are formed in the second end plate, and the avoiding openings are used for being connected with an air outlet of the volute 3 in a clamping mode. First end plate and connecting plate 4 parallel arrangement, the both sides of second end plate all are connected with first end plate. Two opposite first end plates are respectively arranged at two ends of the pivot shaft 81 in a penetrating manner so as to improve the rotation stability of the baffle plate 8.

Alternatively, the power assembly 5 includes a driving gear 53, a driven gear 51, and a first driving device 52. The driving gear 53 is rotatably arranged on the connecting plate 4; the driven gear 51 is meshed with the driving gear 53, and the driven gear 51 is fixedly connected with the sealing partition plate 2; the driving output end of the first driving device 52 is connected to the driving gear 53 to drive the driving gear 53 to rotate, so as to drive the driven gear 51 to rotate, so that the driven gear 51 drives the sealing partition 2 to rotate relative to the connecting plate 4. Specifically, a connecting plate 4 is fixed in the casing 1 of the indoor unit of the air conditioner, and a bearing is fixedly arranged on the connecting plate 4 in a penetrating way. The driven gear 51 and the sealing partition plate 2 are positioned at two sides of the connecting plate 4, and the driven gear 51 and the sealing partition plate 2 are fixedly connected through a bearing. The rotation of the driven gear 51 allows the seal partition plate 2 to rotate relative to the connection plate 4. The bearing is arranged, so that the problem of element damage caused by rotation friction between the sealing partition plate 2 and the connecting plate 4 is solved.

Alternatively, the tooth surface of the driven gear 51 is an arc-shaped tooth surface, and the range of the arc angle θ of the arc-shaped tooth surface is: theta is more than or equal to 55 degrees and less than or equal to 75 degrees. The first driving device 52 drives the driving gear 53 to rotate, and the driven gear 51 is in meshing transmission with the driving gear 53, so that the driven gear 51 is driven to rotate. Preferably, the sector angle of the driven gear 51 is 65 °. When different air outlet modes need to be switched, the driven gear 51 rotates 65 degrees, and air outlet can be switched between two air outlets which are perpendicular to each other. In the first air outlet mode, the driving gear 53 is located at one end of the sector tooth surface; in the second air outlet mode, the driving gear 53 is located at the other end of the sector-shaped tooth surface. Therefore, the air conditioner indoor unit can accurately butt joint the volute air outlet 31 to the preset position corresponding to the air outlet mode without additionally arranging other elements such as a micro-control switch.

Optionally, the indoor air conditioner further includes a heat exchanger 10, the heat exchanger 10 is located between the first side surface and the scroll casing 3, and the heat exchanger 10 includes a plurality of fins; wherein the plurality of fins are perpendicular to the first side surface. In the first air outlet mode, the volute 3 is obliquely discharged from the lower air inlet 102 downwards; under the second air-out mode, because 3 rotation angles of spiral case are the acute angle, and then lead to the air-out direction of spiral case air outlet 31 department to be the side air-out downwards, easily make cold wind blow directly the user, experience feels relatively poor. The fins of the heat exchanger 10 are obliquely arranged on the surface of the base plate of the heat exchanger 10, so that the fins are perpendicular to the first side face, cold air can be horizontally discharged from the side air inlet 101, the distance from the air flow at the side air inlet 101 to a human body is increased, and the condition that the discharged air of the air pipe type air conditioner indoor unit directly faces a user is avoided.

Optionally, the air inlet distance l of the wind wheel 7 is more than or equal to 30 mm. Therefore, the rotation of the volute 3 can be realized in the space with the thickness of 200mm of the whole machine, and the air supply performance is ensured. Preferably, the distance between the wind wheels 7 is 60mm, and the distance between the wind wheels 7 and the sealing partition plate 2 is 30mm, so that the air supply quantity and the air inlet uniformity of the air pipe type air conditioner indoor unit are improved.

Optionally, the air conditioning indoor unit further comprises a fixing seat 11 and a second driving device 9. The fixed seat 11 is fixed on the upper wall surface of the shell 1; the second driving device 9 is located on the fixing seat 11, wherein the rotating shaft 6 penetrates through the fixing seat 11, and the second driving device 9 is used for driving the rotating shaft 6 to rotate axially. The fixing seat 11 is located between two adjacent volutes 3, and the fixing seat 11 plays a certain bearing role for the rotating shaft 6. The driving output end of the second driving device 9 is connected with the rotating shaft 6 to drive the rotating shaft 6 to axially rotate, and then the plurality of wind wheels 7 are driven to rotate. The wind wheel 7 and the volute 3 in the application can move independently, so that the requirements of more air supply modes can be met.

Optionally, the air conditioning indoor unit further includes a fixing frame 12. The fixing frame 12 is fixed on the upper wall surface of the shell 1, the bearing is embedded in the fixing frame 12, the outer ring of the bearing is fixedly connected with the fixing frame 12, and the inner ring of the bearing is fixedly connected with the rotating shaft 6. The fixed mount 12 and the fixed mount 11 bear the load of the rotating shaft 6 together, so that the rotating shaft 6 operates more stably.

Optionally, the air conditioning indoor unit further comprises a control unit configured to: when the first air outlet mode is switched to the second air outlet mode, the volute 3 is controlled to rotate firstly, and then the baffle 8 is controlled to rotate; and/or in the process of switching the second air outlet mode to the first air outlet mode, the baffle 8 is controlled to rotate firstly, and then the volute 3 is controlled to rotate. The utility model provides a machine in air duct type air conditioning can play certain guide effect to the air current under the different operating modes through setting up rotatable baffle 8, and no matter be the refrigeration operating mode or heat the operating mode, through the rotatory certain angle of baffle 8, the homoenergetic forms complete wind channel curve, avoids air current turbulent flow and torrent in the wind channel to promoted the air supply amount of wind, reduced the wind channel noise.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The utility model provides an air outlet switching module is applied to machine in the air conditioning which characterized in that includes:

the centrifugal fan comprises a volute and a wind wheel in the volute;

a connecting plate is arranged on the upper surface of the connecting plate,

the sealing partition plate is fixedly provided with a volute, the sealing partition plate is rotationally connected with the connecting plate, and the air inlet flow and the air outlet flow of the volute are positioned on two sides of the sealing partition plate; and the combination of (a) and (b),

the power assembly is used for driving the sealing partition plate to rotate relative to the connecting plate so as to drive the volute to rotate, so that the air outlet direction of the volute air outlet is changed;

wherein x is more than or equal to 0.6 and less than or equal to 0.9 when the ratio x of the diameter of the wind wheel to the height of the volute is within the range of 0.6 and less than or equal to 0.9.

2. The air outlet switching assembly of claim 1, wherein the volute comprises:

an upper volute part including a volute outlet; and the combination of (a) and (b),

the lower volute part is connected with the upper volute part in a clamping manner;

wherein the range of the volute height h is: h is more than or equal to 160mm and less than or equal to 195 mm.

3. The outlet switching assembly according to any one of claims 1 and 2,

the sealing partition plate is rotatably connected with the connecting plate and comprises a plurality of avoidance notches;

the centrifugal fans are multiple in number, and the multiple volutes are fixed on the avoidance notches in a one-to-one correspondence mode.

4. The outlet switching assembly of claim 3, further comprising:

the baffle is pivotally connected with the sealing partition plate through a pivot;

the baffle is used for matching with the sealing partition plate to isolate the air inlet flow and the air outlet flow of the centrifugal fan.

5. The outlet switching assembly of claim 1, wherein the power assembly comprises:

a first drive device comprising a drive output;

a driving gear; the driving output end is arranged on the driving output end; and the combination of (a) and (b),

the driven gear is meshed with the driving gear and is fixedly connected with the sealing partition plate;

the driving output end of the first driving device drives the driving gear to rotate so as to drive the driven gear to rotate, so that the driven gear drives the sealing partition plate to rotate relative to the connecting plate.

6. The outlet switching assembly of claim 5,

the tooth surface of the driven gear is an arc tooth surface, and the arc angle theta of the arc tooth surface ranges from: theta is more than or equal to 55 degrees and less than or equal to 75 degrees.

7. The outlet switching assembly of claim 3, further comprising:

the pivot can be driven and rotate, the fixed wind wheel of wearing to establish a plurality of centrifugal fan of pivot, pivot axial rotation can drive a plurality of wind wheel rotations.

8. An indoor unit of air conditioner, whose shell is opened with a side air inlet and a down air inlet, characterized in that it comprises the air outlet switching component of claim 4,

the air-conditioning indoor unit can be switched between a first air outlet mode and a second air outlet mode, and air is fed from a side air inlet and discharged from a lower air inlet when the air-conditioning indoor unit is in the first air outlet mode; and the indoor unit of the air conditioner is in a second air outlet mode, air is fed from the lower air inlet and is discharged from the side air inlet.

9. An indoor unit of an air conditioner according to claim 8,

the plane where the side air opening is located is a first side face, and the first side face is a vertical face;

the plane of the lower air opening is a first bottom surface, and the first bottom surface is a horizontal plane;

in the first air outlet mode, the range of the offset angle α between the plane where the air outlet of the volute is located and the first bottom surface is as follows: alpha is more than or equal to 5 degrees and less than or equal to 15 degrees, and under the second air outlet mode, the offset angle beta between the plane where the air outlet of the volute is located and the first side face is in the range as follows: beta is more than or equal to 10 degrees and less than or equal to 20 degrees.

10. An air conditioning indoor unit according to claim 8, further comprising a control section configured to:

in the process of switching the first air outlet mode to the second air outlet mode, the volute is controlled to rotate firstly, and then the baffle is controlled to rotate; or the like, or a combination thereof,

when the second air outlet mode is switched to the first air outlet mode, the baffle is controlled to rotate firstly, and then the volute is controlled to rotate.