CN217685378U - Air duct assembly and air conditioner indoor unit with same - Google Patents

Abstract

The utility model provides an air duct assembly and an air conditioner indoor unit with the same, wherein the air duct assembly is arranged in a casing of the air conditioner indoor unit, and the air conditioner indoor unit is provided with a first air conditioner air outlet for upward air outlet and a second air conditioner air outlet for downward air outlet; the air duct assembly comprises a first air duct component, a second air duct component and a third air duct component, wherein the first air duct component is provided with a first air duct, a first air duct inlet and a first air duct outlet, and the first air duct inlet and the first air duct outlet are communicated with the first air duct; the first air duct outlet is communicated with the first air conditioner air outlet; a first through-flow fan blade is arranged in the first air duct; the second air duct component is provided with a second air duct, a second air duct inlet and a second air duct outlet, the second air duct and the first air duct are independently arranged, and the second air duct inlet and the second air duct outlet are both communicated with the second air duct; the second air duct outlet is communicated with a second air conditioner air outlet; and a second cross-flow fan blade is arranged in the second air duct. The utility model discloses a big problem of wind channel subassembly consumption among the prior art has been solved to the wind channel subassembly.

Description

Air duct assembly and air conditioner indoor unit with same

Technical Field

The utility model relates to a domestic appliance field particularly, relates to a wind channel subassembly and have its air conditioning indoor set.

Background

At present, the air supply mode of the cross-flow fan blade in the air conditioner is to suck air from an air inlet at the rear side, refrigerate or heat through an evaporator part, and send the air out from an air outlet in the horizontal direction. This kind of wall-hanging air conditioner of single air inlet, single air-out mode, air inlet and air-out mode are comparatively single, lead to the air conditioner actual operation ability to be difficult to promote, and the air supply air current tissue is relatively poor when refrigeration and heating operation, influences the actual performance of air conditioner and user's comfortable experience to this kind of air supply mode still has cold wind and directly blows people's drawback, produces the air conditioner disease among old person and child's the consumer group easily.

Therefore, the vertical cabinet machine of upper and lower air-out has been proposed among the prior art, but, upper and lower air-out air conditioner adopts centrifugal fan mostly, and tone quality is poor, and the loudness is high, and is especially obvious at the low band, and the air-out is inhomogeneous at both ends about the air outlet, and the consumption is big, and the efficiency is low, influences user experience.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a wind channel subassembly and have its air conditioning indoor set to solve the big problem of wind channel subassembly consumption among the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided an air duct assembly for being disposed in a casing of an indoor air-conditioning unit, the indoor air-conditioning unit having a first air-conditioning outlet for upward air-out and a second air-conditioning outlet for downward air-out; the wind channel subassembly includes: the first air duct component is provided with a first air duct, a first air duct inlet and a first air duct outlet, and the first air duct inlet and the first air duct outlet are communicated with the first air duct; the first air duct outlet is communicated with the first air conditioner air outlet; a first through flow fan blade is arranged in the first air channel; the second air duct component is provided with a second air duct, a second air duct inlet and a second air duct outlet, the second air duct and the first air duct are independently arranged, and the second air duct inlet and the second air duct outlet are communicated with the second air duct; the second air duct outlet is communicated with a second air conditioner air outlet; and a second cross-flow fan blade is arranged in the second air duct.

Further, the first air duct part comprises a first driving part, and the first driving part is in driving connection with the first through-flow fan blade; the second air duct component comprises a second driving piece, and the second driving piece is in driving connection with the second cross-flow fan blade.

Furthermore, at least two first through-flow fan blades are arranged in the first air channel; and/or at least two second cross-flow fan blades are arranged in the second air duct.

Further, at least two first through-flow fan blades are sequentially arranged along the extending direction of the first air duct.

Furthermore, at least two second cross-flow fan blades are sequentially arranged along the extending direction of the second air duct.

Further, the air duct assembly comprises a volute and a volute cover, the volute cover is arranged on the volute, and a first air duct and a second air duct which are independent of each other are formed between the volute and the volute cover.

Furthermore, the air conditioner indoor unit is provided with an air conditioner air inlet; the first air duct inlet and the second air duct inlet are communicated with an air inlet of an air conditioner.

According to the utility model discloses an on the other hand provides an air-conditioning indoor unit, including the wind channel subassembly, the wind channel subassembly is foretell wind channel subassembly.

Furthermore, a first air guide plate is arranged at a first air conditioner air outlet of the indoor air conditioner, and the first air guide plate is movably arranged to open or close the first air conditioner air outlet.

Furthermore, a second air deflector is arranged at a second air conditioner air outlet of the indoor air conditioner, and the second air deflector is movably arranged to open or close the second air conditioner air outlet.

The air duct component of the utility model is arranged in the casing of the indoor air-conditioning unit, and the indoor air-conditioning unit is provided with a first air-conditioning outlet for upward air outlet and a second air-conditioning outlet for downward air outlet; the air duct assembly comprises a first air duct component and a second air duct component, the first air duct component is provided with a first air duct, a first air duct inlet and a first air duct outlet, the first air duct inlet and the first air duct outlet are communicated with the first air duct, the first air duct outlet is communicated with a first air conditioner air outlet, a first through-flow fan blade is arranged in the first air duct, airflow enters the first air duct from the first air duct inlet, is converted into working airflow through the first through-flow fan blade, then the working airflow passes through the first air duct outlet and reaches the communicated first air conditioner air outlet, and an air outlet effect of the first air conditioner air outlet is formed; the second air duct component is provided with a second air duct, a second air duct inlet and a second air duct outlet, a second through-flow fan blade is arranged in the second air duct, the second air duct component and the first air duct component have the same effect, and the air flow entering the second air duct component is converted through the second through-flow fan blade to form an air outlet effect at the second air conditioner air outlet. The cross-flow fan blade is adopted to replace a centrifugal fan blade in the prior art, airflow enters the blade grids from the opening position of the impeller of the cross-flow fan blade, passes through the inside of the impeller and is discharged into the volute from the position of the blade grid on the other side, turbulence is avoided, the wind speed of the air outlet is more uniform than that of the centrifugal fan blade, the power consumption is lower, the energy efficiency is higher, and the problem of large power consumption of a wind channel assembly in the prior art is solved. Moreover, the cross-flow fan blade is adopted, so that the wind pressure is low, the rotating speed is low, and the noise is low; in addition, when the first cross flow fan blade and the second cross flow fan blade rotate, airflow passes through the impeller and flows and is acted by the force of the blades twice, and therefore the airflow can reach a long distance.

Drawings

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

fig. 1 shows a schematic view of an embodiment of an air conditioning indoor unit according to the present invention;

fig. 2 shows a front view of the whole of the air conditioning indoor unit according to the present invention;

fig. 3 shows a side view of the whole of the indoor unit of an air conditioner according to the present invention;

fig. 4 shows a top view of the whole unit of the indoor unit of the air conditioner according to the present invention;

fig. 5 shows an exploded view of the whole unit of the indoor unit of an air conditioner according to the present invention;

figure 6 illustrates a front view of an embodiment of an air duct assembly according to the present invention;

figure 7 illustrates a side view of an embodiment of an air duct assembly according to the present invention;

fig. 8 shows a top view of an embodiment of a duct assembly according to the present invention; and

figure 9 shows an exploded view of an embodiment of a duct assembly according to the present invention.

Wherein the figures include the following reference numerals:

10. an air duct assembly; 11. a first air duct member; 111. a first air duct; 112. a first duct inlet; 113. a first air duct outlet; 114. a first through flow fan blade; 115. a first driving member; 116. a first bearing; 12. a second air duct member; 121. a second air duct; 122. a second air duct inlet; 123. a second air duct outlet; 126. a second bearing; 124. a second cross-flow fan blade; 125. a second driving member; 13. a volute; 14. a worm case cover; 20. a first air-conditioning outlet; 21. a first air deflector; 30. a second air-conditioning outlet; 31. a second air deflector; 40. an air inlet of an air conditioner; 50. a chassis; 60. an air intake component; 70. an evaporator assembly; 71. an evaporator; 72. an evaporator mount; 73. a water pan; 80. a decorative plate; 90. a panel.

Detailed Description

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

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

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.

The utility model provides an air duct assembly, please refer to fig. 1 to 9, for being arranged in a casing of an air-conditioning indoor unit, the air-conditioning indoor unit is provided with a first air-conditioning outlet 20 for upward air outlet and a second air-conditioning outlet 30 for downward air outlet; the air duct assembly 10 includes: the first air duct component 11 is provided with a first air duct 111, a first air duct inlet 112 and a first air duct outlet 113, and the first air duct inlet 112 and the first air duct outlet 113 are both communicated with the first air duct 111; the first air duct outlet 113 is used for being communicated with the first air-conditioning outlet 20; a first through-flow fan blade 114 is arranged in the first air duct 111; the second air duct component 12 is provided with a second air duct 121, a second air duct inlet 122 and a second air duct outlet 123, the second air duct 121 and the first air duct 111 are independently arranged, and the second air duct inlet 122 and the second air duct outlet 123 are both communicated with the second air duct 121; the second air duct outlet 123 is used for being communicated with the second air-conditioning outlet 30; a second cross-flow fan 124 is arranged in the second air duct 121.

The air duct assembly 10 of the present invention is arranged in a casing of an air-conditioning indoor unit, and the air-conditioning indoor unit has a first air-conditioning outlet 20 for upward air-out and a second air-conditioning outlet 30 for downward air-out; the air duct assembly 10 includes a first air duct member 11 and a second air duct member 12, the first air duct member 11 has a first air duct 111, a first air duct inlet 112 and a first air duct outlet 113, both the first air duct inlet 112 and the first air duct outlet 113 are communicated with the first air duct 111, the first air duct outlet 113 is used for being communicated with the first air conditioner outlet 20, a first through-flow fan blade 114 is arranged in the first air duct 111, the air flow enters the first air duct 111 from the first air duct inlet 112, is converted into a working air flow through the first through-flow fan blade 114, then the working air flow passes through the first air duct outlet 113, and then reaches the communicated first air conditioner outlet 20, so as to form an air outlet effect of the first air conditioner outlet 20; the second air duct member 12 has a second air duct 121, a second air duct inlet 122 and a second air duct outlet 123, a second cross-flow fan 124 is disposed inside the second air duct 121, the second air duct member 12 has the same function as the first air duct member 11, and the airflow entering the second air duct member 12 is converted by the second cross-flow fan 124, so as to form an air outlet effect at the second air-conditioning outlet 30. The cross-flow fan blade is adopted to replace a centrifugal fan blade in the prior art, airflow enters the blade grids from the opening position of the impeller of the cross-flow fan blade, passes through the inside of the impeller and is discharged into the volute from the position of the blade grid on the other side, turbulence is avoided, the wind speed of the air outlet is more uniform than that of the centrifugal fan blade, the power consumption is lower, the energy efficiency is higher, and the problem that the power consumption of the air duct assembly 10 in the prior art is large is solved. Moreover, the cross-flow fan blade is adopted, so that the wind pressure is low, the rotating speed is low, and the noise is low; in addition, when the first cross-flow fan 114 and the second cross-flow fan 124 rotate, the airflow passes through the impeller and is subjected to the force of the blades twice, so that the airflow can reach a long distance.

In the present embodiment, referring to fig. 9, the first air duct member 11 includes a first driving member 115, and the first driving member 115 is in driving connection with the first through-flow fan blade 114; the second air duct member 12 includes a second driving member 125, and the second driving member 125 is in driving connection with the second cross-flow fan 124. The first driving member 115 and the second driving member 125 have an effect of driving the first cross-flow fan blade 114 and the second cross-flow fan blade 124 to rotate.

Specifically, the first driving member 115 is installed at one side of the first through-flow fan blade 114; the second driving member 125 is installed at one side of the second cross-flow fan 124. Alternatively, the first driving member 115 may be connected to the first through-flow fan blade 114 by screws, and the second driving member 125 may be connected to the second through-flow fan blade 124 by screws.

Specifically, a first bearing 116 is installed on the other side of the first through-flow fan blade 114, and the first through-flow fan blade 114 is connected with the volute 13 of the air duct assembly 10 through the first bearing 116; a second bearing 126 is installed on the other side of the second cross-flow fan blade 124, and the second cross-flow fan blade 124 is connected with the volute 13 of the air duct assembly 10 through the second bearing 126. The first bearing 116 and the second bearing 126 are arranged to support the first cross-flow fan blade 114 and the second cross-flow fan blade 124, so that the first cross-flow fan blade 114 and the second cross-flow fan blade 124 can keep stable rotation under the driving of the first driving member 115 and the second driving member 125.

Specifically, the first cross-flow fan blade 114 and the second cross-flow fan blade 124 are both composed of a plurality of sections of impellers, and the lengths of the impellers can be selected arbitrarily according to different use requirements. The air current gets into the cascade from the impeller open department, passes inside the impeller, discharges from another side cascade, so the wind speed of first air-conditioning air outlet 20 and second air-conditioning air outlet 30 is more even than the air-out that adopts the air-conditioning indoor set of centrifugal fan blade, and the travelling comfort is higher. Meanwhile, the tone quality is better, the power consumption is lower, and the energy efficiency is higher.

Specifically, the first drive member 115 and the second drive member 125 are both motors.

In this embodiment, at least two first through-flow blades 114 are disposed in the first air duct 111; and/or at least two second cross-flow fan blades 124 are arranged in the second air duct 121. The arrangement of the at least two first cross-flow blades 114 and the at least two second cross-flow blades 124 can increase the air outlet volume, thereby achieving higher air outlet requirements of users.

In this embodiment, at least two first through-flow wind blades 114 are sequentially arranged along the extending direction of the first wind channel 111.

In this embodiment, at least two second cross-flow blades 124 are sequentially arranged along the extending direction of the second air duct 121.

Specifically, the at least two first through-flow blades 114 and the at least two second through-flow blades 124 are respectively arranged along the extending direction of the first air duct 111 and the extending direction of the second air duct 121, so that the air flow entering the first air duct 111 and the second air duct 121 can be converted by two or more air flows, and a better air outlet effect is obtained.

In this embodiment, referring to fig. 9, the air duct assembly 10 includes a volute casing 13 and a volute casing cover 14, the volute casing cover 14 is covered on the volute casing 13, and a first air duct 111 and a second air duct 121 which are independent from each other are formed between the volute casing 13 and the volute casing cover 14. The arrangement enables the integrated volute casing 13 and the integrated volute casing cover 14 to jointly form the first air duct component 11 and the second air duct component 12, the number of parts is small, and production and assembly efficiency is high. In addition, the first through-flow fan blade 114 and the second through-flow fan blade 124 are fixed on the volute casing 13, so that the structure is simple and ingenious, and the production efficiency is high.

Specifically, the first through-flow fan blade 114 and the second through-flow fan blade 124 are located between the volute 13 and the volute cover 14, the first through-flow fan blade 114 is located in the upper half of a space formed by the volute 13 and the volute cover 14, and the second through-flow fan blade 124 is located in the lower half, so that the first air duct 111 and the second air duct 121 are formed.

Specifically, the first and second drivers 115 and 125 are each interposed between the volute housing cover 14 and the volute 13 to secure the first and second drivers 115 and 125.

In other embodiments, the first air channel member 11 and the second air channel member 12 are provided separately.

In the present embodiment, referring to fig. 1, the indoor unit of the air conditioner has an air inlet 40; the first air duct inlet 112 and the second air duct inlet 122 are both in communication with the air inlet 40. The air conditioning inlet 40 is configured to introduce airflow into the first and second duct inlets 112, 122.

The utility model also provides an air-conditioning indoor unit, please refer to fig. 1 to 5, including air duct assembly 10, air duct assembly 10 is air duct assembly 10 in the above-mentioned embodiment.

Specifically, referring to fig. 5, the indoor unit of an air conditioner further includes a bottom chassis 50, an air inlet member 60, an evaporator assembly 70, a decorative plate 80, and a panel 90. The base plate 50 is arranged at the bottom of the indoor unit of the air conditioner, and the air inlet component 60, the evaporator component 70, the air duct component 10, the decorative plate 80 and the panel 90 are sequentially arranged on the base plate 50.

Specifically, the air inlet 40 is located on the air inlet component 60 and provides an inlet airflow to the evaporator assembly 70 and the air duct assembly 10. After the indoor unit of the air conditioner is started, the first driving member 115 and the second driving member 125 of the air duct assembly 10 start to operate, so as to drive the first through-flow fan blade 114 and the second through-flow fan blade 124 to rotate, and the air flow enters from the air inlet member 60, generates a cooling or heating effect through the evaporator assembly 70, and enters into the air duct assembly 10 through the cooled or heated air flow. Specifically, the evaporator assembly 70 includes an evaporator 71, an evaporator bracket 72 and a water pan 73, the evaporator bracket 72 is fixed on the air intake component 60, and the air duct assembly 10 is fixed on the evaporator 71.

Alternatively, the evaporator mount 72 is fixed to the air intake member 60 by a latch and a screw.

Specifically, the decorative plate 80 is fitted on the air inlet member 60, and the panel 90 is finally fitted on the decorative plate 80.

Alternatively, the decorative panel 80 and the face panel 90 are exterior members, and other types of face panel members may be used instead.

In the present embodiment, referring to fig. 5, a first air guiding plate 21 is disposed at a first air outlet 20 of the indoor unit of the air conditioner, and the first air guiding plate 21 is movably disposed to open or close the first air outlet 20. In specific implementation, the first air guiding plate 21 moves between an open position and a closed position to guide air so as to change the air outlet direction of the upper air outlet.

In the present embodiment, referring to fig. 5, a second air guiding plate 31 is disposed at a second air outlet 30 of the indoor unit of the air conditioner, and the second air guiding plate 31 is movably disposed to open or close the second air outlet 30. In specific implementation, the second air guiding plate 31 moves between the open position and the closed position to guide air so as to change the air outlet direction of the lower outlet air.

Specifically, the first air deflector 21 is arranged at the uppermost part of the air-conditioning indoor unit and connected with the first air-conditioning outlet 20 to achieve the purpose of guiding air; the second air deflector 31 is arranged at the lower part of the air-conditioning indoor unit, is connected with the second air-conditioning outlet 30, and can stably send airflow out of the air-conditioning indoor unit.

Specifically, the first air deflector 21 and the second air deflector 31 are both driven by a motor to rotate.

Specifically, the indoor unit of the air conditioner is a vertical indoor unit of the air conditioner, and the axis of the first through-flow fan blade 114 and the axis of the second through-flow fan blade 124 are arranged along the horizontal direction. If the air duct assembly comprises at least two first through-flow fan blades 114, the at least two first through-flow fan blades 114 are sequentially arranged along the vertical direction; if the air duct assembly comprises at least two second cross-flow blades 124, the at least two second cross-flow blades 124 are sequentially arranged in the vertical direction.

The air duct assembly of the utility model is communicated with the first air duct 111 through the second air duct 121 and the first air duct 111 which are independently arranged, the first air duct 111 is communicated with the first air-conditioning outlet 20, the second air duct 121 is communicated with the second air-conditioning outlet 30, an upper and lower air outlet structure is formed, and the first air-conditioning outlet 20 or the second air-conditioning outlet 30 can be independently opened according to the requirements of users for refrigeration and heating; when the first air-conditioning outlet 20 is opened, the second cross-flow fan blade 124 is in an inoperative state, and the second air-conditioning outlet 30 is closed; when the second air conditioner outlet 30 is opened, the first through-flow fan blade 114 is in an inoperative state, and the first air conditioner outlet 20 is closed, so that the purposes of energy conservation and low power consumption can be achieved by free selection. Like this, close second air conditioner outlet 30 under the refrigeration mode and realize the effect of no wind sense, avoid the cold wind to blow the people, close first air conditioner outlet 20 under the heating mode and realize that the carpet formula is sent warm, improve the air conditioner travelling comfort greatly. And, the wind channel subassembly can also open first air conditioner air outlet 20 and second air conditioner air outlet 30 simultaneously, has realized going up the air-out, down the air-out and the multiple air supply mode of air-out simultaneously from top to bottom.

The application solves the following technical problems: the air outlet of the vertical cabinet air conditioner is in the form that the air outlet is arranged on the front side of the vertical cabinet air conditioner, hot air cannot fall to the ground immediately, and the heating comfort effect is poorer than that of an up-down air-out type air conditioner. Most of air conditioners with upper and lower air outlets are air conditioners with centrifugal fan blades, air enters from the center of an impeller, flows through the blades along the radius direction of the impeller, and is collected to an air outlet at an outlet of each blade along the direction of a volute 13 to be discharged.

The beneficial effect of this application: the utility model provides a novel go up and down air-out formula air conditioning indoor set, upper and lower air outlet carries on two through-flow fan blades, first through-flow fan blade 114 and second through-flow fan blade 124 are when rotatory, and the air current gets into the cascade from the open department of impeller, passes inside the impeller, arranges into spiral case 13 from another side cascade department, forms working air current, and the air current runs through the impeller and flows, receives the effect of blade twice power, therefore the air current can reach very far away distance to produce no turbulent flow, the even effect of air-out. The double cross-flow fan blade structure has low wind pressure, low rotating speed and low noise, and solves the problems of poor sound quality and uneven air outlet of the traditional centrifugal fan blade system; the indoor temperature is more uniform and the comfort is greatly improved by adopting a mode of heating by up-down air outlet; when the refrigeration mode is used, the effect of no wind sensation can be realized by closing the lower air outlet, cold wind is prevented from blowing people, and the comfort of the air conditioner is improved.

The utility model discloses a point of this application: the double cross-flow fan blades are used for realizing upper and lower air outlet, so that people are not blown in a refrigeration mode, a carpet type heating effect is realized in a heating mode, and the comfort of the air conditioner is greatly improved. The double cross-flow fan blades are respectively and independently driven by the first driving piece 115 and the second driving piece 125, a user can select different modes according to indoor temperature, the modes comprise a single-upper fan driving mode, a single-lower fan driving mode and a double-fan blade driving mode, and the purposes of energy conservation and low power consumption can be achieved by selecting the single-upper fan driving mode and the single-lower fan driving mode according to requirements. The first through-flow fan blade 114 and the second through-flow fan blade 124 are fixed on the integrated volute 13, the structure is simple and ingenious, and the production efficiency is high.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the air duct assembly 10 of the present invention is arranged in a casing of an air-conditioning indoor unit, and the air-conditioning indoor unit has a first air-conditioning outlet 20 for upward air-out and a second air-conditioning outlet 30 for downward air-out; the air duct assembly 10 includes a first air duct member 11 and a second air duct member 12, the first air duct member 11 has a first air duct 111, a first air duct inlet 112 and a first air duct outlet 113, both the first air duct inlet 112 and the first air duct outlet 113 are communicated with the first air duct 111, the first air duct outlet 113 is used for being communicated with the first air conditioner outlet 20, a first through-flow fan blade 114 is arranged in the first air duct 111, the air flow enters the first air duct 111 from the first air duct inlet 112, is converted into a working air flow through the first through-flow fan blade 114, then the working air flow passes through the first air duct outlet 113, and then reaches the communicated first air conditioner outlet 20, so as to form an air outlet effect of the first air conditioner outlet 20; the second air duct member 12 has a second air duct 121, a second air duct inlet 122 and a second air duct outlet 123, a second cross-flow fan 124 is disposed inside the second air duct 121, the second air duct member 12 has the same function as the first air duct member 11, and the airflow entering the second air duct member 12 is converted by the second cross-flow fan 124, so as to form an air outlet effect at the second air-conditioning outlet 30. The cross-flow fan blade is adopted to replace a centrifugal fan blade in the prior art, airflow enters the blade grids from the opening position of the impeller of the cross-flow fan blade, passes through the inside of the impeller and is discharged into the volute from the position of the blade grid on the other side, turbulence is avoided, the wind speed of the air outlet is more uniform than that of the centrifugal fan blade, the power consumption is lower, the energy efficiency is higher, and the problem that the power consumption of the air duct assembly 10 in the prior art is large is solved. Moreover, the cross-flow fan blades are adopted, so that the wind pressure is low, the rotating speed is low, and the noise is low; in addition, when the first cross-flow fan 114 and the second cross-flow fan 124 rotate, the airflow passes through the impeller and is subjected to the force of the blades twice, so that the airflow can reach a long distance.

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 data so used may be interchanged under appropriate circumstances such that, for example, embodiments of the application described herein may be implemented in sequences other than those illustrated or 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.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown 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 terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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 (10)

1. The air duct assembly is characterized by being arranged in a shell of an air-conditioning indoor unit, wherein the air-conditioning indoor unit is provided with a first air-conditioning outlet (20) for upward air outlet and a second air-conditioning outlet (30) for downward air outlet; the air duct assembly (10) includes:

the first air duct component (11) is provided with a first air duct (111), a first air duct inlet (112) and a first air duct outlet (113), and the first air duct inlet (112) and the first air duct outlet (113) are communicated with the first air duct (111); the first air duct outlet (113) is communicated with the first air-conditioning outlet (20); a first through flow fan blade (114) is arranged in the first air duct (111);

the second air duct component (12) is provided with a second air duct (121), a second air duct inlet (122) and a second air duct outlet (123), the second air duct (121) and the first air duct (111) are independently arranged, and the second air duct inlet (122) and the second air duct outlet (123) are communicated with the second air duct (121); the second air duct outlet (123) is communicated with the second air-conditioning outlet (30); and a second cross-flow fan blade (124) is arranged in the second air duct (121).

2. The air duct assembly according to claim 1, characterized in that the first air duct member (11) comprises a first drive member (115), the first drive member (115) being in driving connection with the first fan blade (114); the second air duct component (12) comprises a second driving part (125), and the second driving part (125) is in driving connection with the second cross-flow fan blade (124).

3. The air duct assembly according to claim 1, characterized in that at least two first through-flow blades (114) are arranged in the first air duct (111); and/or the presence of a gas in the gas,

at least two second cross-flow fan blades (124) are arranged in the second air duct (121).

4. The air duct assembly according to claim 3, characterized in that at least two first through-flow blades (114) are arranged one after the other in the extension direction of the first air duct (111).

5. The air duct assembly according to claim 3, characterized in that at least two second cross-flow blades (124) are arranged in sequence along the extension direction of the second air duct (121).

6. The air duct assembly according to any one of claims 1 to 5, characterized in that the air duct assembly (10) comprises a volute (13) and a volute cover (14), the volute cover (14) is covered on the volute (13), and the first air duct (111) and the second air duct (121) which are independent of each other are formed between the volute (13) and the volute cover (14).

7. The air duct assembly according to any one of claims 1 to 5, wherein the air conditioning indoor unit has an air conditioning inlet (40); the first air duct inlet (112) and the second air duct inlet (122) are both communicated with the air conditioner air inlet (40).

8. An indoor unit of an air conditioner, comprising an air duct assembly, wherein the air duct assembly is the air duct assembly according to any one of claims 1 to 7.

9. The indoor unit of claim 8, wherein a first air outlet (20) of the indoor unit is provided with a first air deflector (21), and the first air deflector (21) is movably disposed to open or close the first air outlet (20).

10. The indoor unit of claim 8, wherein a second air outlet (30) of the indoor unit is provided with a second air deflector (31), and the second air deflector (31) is movably disposed to open or close the second air outlet (30).

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