CN112303015A

CN112303015A - Air duct component and air conditioner

Info

Publication number: CN112303015A
Application number: CN201910713852.8A
Authority: CN
Inventors: 梁博; 王千千; 陈诚; 何振健; 吴晓岳; 戴志炜
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2021-02-02
Also published as: WO2021022896A1

Abstract

The invention provides an air duct component and an air conditioner. The air duct component includes: the air duct body is provided with a circulation channel; the fan blade assemblies are arranged in the circulation channel and are arranged at intervals along the axial direction of the circulation channel, and one of the fan blade assemblies is located at the first end of the air duct body and protrudes out of the end face of the first end of the air duct body. The air duct component can switch the air inlet and outlet directions of air flow, and when the air duct component is in a lower air inlet and upper air outlet mode, the fan blade component at the first end of the air duct body has the functions of axial air suction and lateral (radial) air suction at the same time, so that the acting capacity of the fan blade component is improved, and the efficiency of the fan blade component is improved; when the air-out mode under last air inlet, the fan blade subassembly of the first end of wind channel body can throw away partial air current in advance out the wind channel, and the internal resistance of wind channel body reduces, and the efficiency of acting increases substantially.

Description

Air duct component and air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air duct component and an air conditioner.

Background

In order to improve the energy utilization rate of the air conditioner and improve the comfort of a human body, different air outlet modes are required under different modes. In the cooling mode, cold air is blown out from the upper part to realize the bath type cooling effect; in the heating mode, hot air is blown out from below to achieve a carpet type heating effect. The shower type refrigeration and the carpet type heating can more efficiently utilize the performance of the gas, and realize higher energy utilization rate.

However, the widely used blades of the air conditioning products on the market at present mainly include three types, namely a centrifugal blade, a cross-flow blade and an axial flow blade, and different blade forms need to be configured to meet machine type development for different use requirements and air inlet and outlet modes. However, no fan blade and air duct thereof can only change the direction of air flowing in and out through the change of the rotation direction of the fan blade, so that the air inlet of the traditional air conditioner can only supply air, and the air outlet can only supply air. Although the existing distributed air supply technology can realize air supply through an upper air opening and a lower air opening, the lower air opening can also blow out cold air in a refrigeration mode, and the upper air opening can also blow out hot air in a heating mode, so that the optimal energy utilization rate cannot be realized.

Therefore, it is urgently needed to provide an air duct structure capable of realizing the switching of the direction of air flowing in and out in the market.

Disclosure of Invention

The invention mainly aims to provide an air duct component and an air conditioner, and aims to solve the problems that the air inlet direction and the air outlet direction of the air conditioner in the prior art can not be switched and the work is insufficient.

In order to achieve the above object, according to one aspect of the present invention, there is provided an air channel member comprising: the air duct body is provided with a circulation channel; the fan blade assemblies are arranged in the circulation channel and are arranged at intervals along the axial direction of the circulation channel, and one of the fan blade assemblies is located at the first end of the air duct body and protrudes out of the end face of the first end of the air duct body.

Further, the end face of the first end of the air duct body is perpendicular to the axis of the circulation channel.

Further, the air duct member further includes: the driving assembly is in driving connection with the fan blade assembly so as to drive the fan blade assembly to rotate along the clockwise direction or rotate along the anticlockwise direction.

Further, the air duct member further includes: a mounting plate, the mounting plate passes the flow channel, drive assembly is installed on the mounting plate.

Further, the driving assembly comprises a driving motor, and the fan blade assembly is mounted on an output shaft of the driving motor.

Further, be provided with the kuppe on the mounting panel, the kuppe is the setting of loudspeaker column structure, the great one end orientation of opening of loudspeaker column structure the second end setting of circulation passageway, drive assembly is located the inside of kuppe.

Furthermore, the periphery of the air guide sleeve is provided with an annular channel, and a plurality of rectifying blades arranged at intervals are arranged in the annular channel.

Further, the air duct component further comprises a flow guide assembly, and the flow guide assembly is arranged at the second end of the circulation channel.

Further, the flow guide assembly includes: a positioning column; the stator, the polylith the stator is followed the periphery interval arrangement of reference column.

Furthermore, the fan blade subassembly includes position sleeve and polylith fan blade, the polylith the fan blade is followed the periphery interval of position sleeve is evenly arranged.

Furthermore, the fan blade assembly further comprises a splitter blade, and the splitter blade is fixed on the outer side wall of the positioning sleeve and located between two adjacent fan blades.

Furthermore, the number of the fan blade assemblies is two, the two fan blade assemblies are placed in the same mode, and the two fan blade assemblies are respectively located on two sides of the mounting plate.

Further, the wind channel body includes: the middle section of the circulation channel on the first air duct body is provided with an inner concave necking, and the fan blade assemblies are respectively positioned on two sides of the inner concave necking; the cross-sectional area of the middle section of the circulation channel on the second air duct body does not change along the axial direction, and the fan blade assembly is positioned in the middle section; the first air duct body and the second air duct body are sleeved on the periphery of the fan blade assembly in a switchable manner.

Furthermore, the distance between the fan blade assembly closest to the inner concave necking in the first air duct body and the first end of the circulation channel is smaller than the distance between the inner concave necking and the first end of the circulation channel.

According to another aspect of the present invention, there is provided an air conditioner comprising an air duct component as described above.

By applying the technical scheme of the invention, in the actual work, under the mode of lower air inlet and upper air outlet, the fan blade assembly can rotate clockwise, and airflow flows from the first end to the second end of the circulation channel; under the air-out mode under the last air inlet, the fan blade subassembly is rotatory along the clockwise in the circulation passageway, and the air current flows to first end direction from the second end of circulation passageway. Through the effect of a plurality of fan blade assemblies, can increase the amount of wind channel part, play the effect of pressure boost many times simultaneously.

Because the first end of the air duct body is provided with the fan blade assembly which is protruded out of the end surface of the first end of the air duct body, namely the fan blade assembly is partially exposed out of the air duct body, when the air is in a mode of lower air inlet and upper air outlet, the fan blade assembly at the first end of the air duct body simultaneously has the functions of axial air suction and lateral (radial) air suction, the acting capacity of the fan blade assembly is increased, and the efficiency of the fan blade assembly is improved; when the air-out mode under last air inlet, the fan blade subassembly of the first end of wind channel body can throw away partial air current in advance out the wind channel, and the internal resistance of wind channel body reduces, and the efficiency of acting increases substantially.

Drawings

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

FIG. 1 is a schematic front view of the air duct component of the present invention assembled to a first air duct body;

FIG. 2 schematically illustrates a cross-sectional view of the air duct component of the present invention in a down-wind and up-wind mode;

FIG. 3 schematically illustrates a front view of the air duct component of the present invention when assembled to a second duct body;

FIG. 4 is a cross-sectional view schematically illustrating the air duct component of the present invention in an up-wind and down-wind mode;

FIG. 5 is a first perspective view schematically illustrating the assembly of the air duct component of the present invention to a first air duct body;

FIG. 6 is a second perspective view schematically illustrating the assembly of the air duct component of the present invention to the first air duct body;

FIG. 7 is a first perspective view schematically illustrating the duct component of the present invention when assembled to a second duct body;

FIG. 8 is a second perspective view schematically illustrating the duct component of the present invention when assembled to a second duct body;

FIG. 9 schematically illustrates a perspective view of the flow directing assembly of the present invention;

figure 10 schematically illustrates a perspective view of a first embodiment of a fan blade assembly of the present invention;

figure 11 schematically illustrates a front view of a first embodiment of a fan blade assembly of the present invention;

figure 12 schematically illustrates a perspective view of a second embodiment of a fan blade assembly of the present invention;

figure 13 schematically illustrates a front view of a second embodiment of a fan blade assembly of the present invention;

FIG. 14 schematically illustrates a first perspective view of the mounting plate of the present invention;

FIG. 15 schematically illustrates a top view of the mounting plate of the present invention;

FIG. 16 schematically illustrates a second perspective view of the mounting plate of the present invention;

FIG. 17 schematically illustrates a bottom view of the mounting plate of the present invention;

FIG. 18 schematically illustrates a cross-sectional view of the mounting plate of the present invention;

FIG. 19 is a schematic representation of the fluid flow pattern of the air duct member of the present invention in the down-wind and up-wind positions;

FIG. 20 is a schematic representation of the fluid flow pattern of the air duct component of the present invention in the up-wind and down-wind positions.

Wherein the figures include the following reference numerals:

10. an air duct body; 11. a first air duct body; 111. an inward concave necking; 12. a second air duct body; 121. a flow-through channel; 123. an end face; 20. a fan blade assembly; 21. a positioning sleeve; 22. a fan blade; 23. a splitter blade; 30. a drive assembly; 31. an output shaft; 40. mounting a plate; 41. a pod; 42. an annular channel; 43. a rectifying blade; 50. a flow guide assembly; 51. a positioning column; 52. a guide vane.

Detailed Description

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

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

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

Referring to fig. 1 to 20, according to an embodiment of the present invention, there is provided an air conditioner including an air duct part.

Referring to fig. 1 to 8, the air duct component in the present embodiment includes an air duct body 10 and a fan blade assembly 20. Wherein, the air duct body 10 is provided with a circulation channel 121; the fan blade assemblies 20 are arranged in the flow passage 121 and are arranged at intervals along the axial direction of the flow passage 121, and one of the fan blade assemblies 20 is located at the first end of the air duct body 10 and protrudes out of the end face 123 of the first end of the air duct body 10.

In actual operation, in the mode of downward air intake and upward air outlet, the fan blade assembly 20 in this embodiment can rotate clockwise, and the airflow flows from the first end to the second end of the flow channel 121; under the air-out mode under the upper air inlet, fan blade subassembly 20 rotates along the clockwise in circulation passageway 121, and the air current flows to first end direction from the second end of circulation passageway 121. Through the effect of a plurality of fan blade assemblies 20, the air quantity of the air duct component can be increased, and the effect of multiple pressurization is achieved.

Because the first end of the air duct body 10 in the invention is provided with the fan blade assembly 20 which protrudes out of the end surface 123 of the first end of the air duct body 10, namely the fan blade assembly 20 is partially exposed out of the air duct body 10, when the air is in a lower air inlet and upper air outlet mode, the fan blade assembly 20 at the first end of the air duct body 10 has the functions of axial air suction and lateral (radial) air suction at the same time, the power-applying capacity of the fan blade assembly 20 is increased, and the efficiency of the fan blade assembly 20 is improved; when the air outlet mode under last air inlet, the fan blade subassembly 20 of wind channel body 10 first end can throw away partial air current in advance out the wind channel, and wind channel body 10 internal resistance reduces, and the efficiency of doing work improves by a wide margin.

Preferably, the end face 123 in the present embodiment is perpendicular to the axis of the flow channel 121, and has a simple structure, stability and reliability. Of course, in other embodiments of the invention, the end face 123 may also be arranged in a manner inclined to the axis of the flow-through channel 121.

The air duct component in this embodiment further includes a driving component 30, and the driving component 30 is drivingly connected to the fan blade component 20 to drive the fan blade component 20 to rotate in the clockwise direction or rotate in the counterclockwise direction, so as to facilitate switching between an upper air inlet and lower air outlet mode and a lower air inlet and upper air outlet mode.

To facilitate mounting of the drive assembly 30, the air duct assembly in this embodiment further includes a mounting plate 40, the mounting plate 40 passing through the flow passage 121, the drive assembly 30 being mounted on the mounting plate 40.

Preferably, the driving assembly 30 in this embodiment is a driving motor, and during actual installation, the fan assembly 20 is installed on the output shaft 31 of the driving motor, and the fan assembly 20 is driven to rotate clockwise or counterclockwise by the forward rotation and the reverse rotation of the driving motor, so as to switch the air duct component between the upper air inlet and lower air outlet mode and the lower air inlet and upper air outlet mode.

Be provided with kuppe 41 on the mounting panel 40, drive assembly 30 is located the inside of kuppe 41, through the effect of kuppe 41, is convenient for protect driving motor, can also play the effect of water conservancy diversion and rectification air current.

The air guide sleeve 41 in this embodiment is in a horn-shaped structure, one end of the horn-shaped structure with a large opening is arranged towards the second end of the circulation channel 121, the annular channel 42 is arranged on the periphery of the air guide sleeve 41, so that fluid can pass through the annular channel conveniently, and a rectification assembly is arranged in the annular channel 42, so that air flow in the circulation channel 121 can be rectified conveniently.

The rectifying assembly in this embodiment includes a plurality of rectifying blades 43, and a plurality of rectifying blades 43 are evenly arranged along annular passage 42 circumference, are convenient for rectify the air flow in flow passage 121, increase the guide vane area in flow passage 121, and reduce energy loss.

Referring to fig. 1 to 9, the air duct component in this embodiment further includes a flow guide assembly 50, where the flow guide assembly 50 is disposed at the second end of the flow channel 121, and can convert the airflow direction from circumferential movement to axial movement, so as to reduce the eddy loss between airflows and improve the fan efficiency.

Referring to fig. 9, the flow guiding assembly 50 in this embodiment includes a positioning column 51 and a plurality of guide vanes 52, the plurality of guide vanes 52 are arranged at intervals along the outer periphery of the positioning column 51, and one end of each guide vane 52 far away from the positioning column 51 is fixed on the air duct body 10, so that the structure is simple, stable and reliable.

Referring to fig. 10 to 11, in a preferred embodiment of the present invention, the fan blade assembly 20 includes a positioning sleeve 21 and a plurality of fan blades 22, and the plurality of fan blades 22 are uniformly arranged along the periphery of the positioning sleeve 21.

Referring to fig. 12 and 13, in another embodiment of the present invention, the structure of the blade assembly 20 is substantially the same as that of fig. 10 and 11, except that the blade assembly 20 in this embodiment further includes a splitter blade 23, and the splitter blade 23 is fixed on the outer side wall of the positioning sleeve 21 and is located between two adjacent blades 22.

Referring to fig. 1 to 9, an air duct body 10 in this embodiment includes a first air duct body 11 and a second air duct body 12, wherein an inner concave throat 111 is disposed at a middle section of a circulation passage 121 on the first air duct body 11, a plurality of fan blade assemblies 20 are respectively located at two sides of the inner concave throat 111, and an end of one of the fan blade assemblies 20 protrudes out of the inner concave throat 111; the cross-sectional area of the middle section of the flow channel 121 on the second air duct body 12 does not change along the axial direction, and the fan blade assembly 20 is located in the middle section; the first air duct body 11 and the second air duct body 12 are sleeved on the peripheries of the fan blade assembly 20, the mounting plate 40, the driving assembly 30 and the flow guide assembly 50 in a switchable manner.

It should be noted that, the middle section of the flow channel 121 in this embodiment refers to a spacing section of the flow channel 121 between the flow guide assembly 50 and the fan assembly 20 at the first end of the air duct body 10.

In practical operation, the first air duct body 11 and the second air duct body 12 in this embodiment are switchably sleeved around the fan blade assembly 20, the mounting plate 40, the driving assembly 30, and the flow guide assembly 50, and can meet different air outlet requirements. Specifically, the first air duct body 11 in this embodiment is particularly suitable for the upper air outlet mode of the lower air inlet, and the second air duct body 12 is particularly suitable for the lower air outlet mode of the upper air inlet.

The distance between the blade assembly 20 closest to the inner concave throat 111 in the first air duct body 11 and the first end of the flow channel 121 is smaller than the distance between the inner concave throat 111 and the first end of the flow channel 121. That is to say, the position of the concave throat 111 of the first air duct body 11 in this embodiment is located above the bottom end of the fan blade assembly 20 at the top end (see fig. 2), so that the fan blade assembly 20 at the top end can have the axial air suction effect and the lateral (radial) air suction effect at the same time, the secondary work capacity of the secondary air duct is increased, the efficiency of the fan blade assembly 20 is improved, and the effect is very significant.

Preferably, the number of the fan blade assemblies 20 in this embodiment is two, the two fan blade assemblies 20 are placed in the same manner, and the two fan blade assemblies 20 are respectively located on two sides of the mounting plate 40. Of course, in other embodiments of the present invention, three or more fan blade assemblies 20 may also be provided.

The two fan blade assemblies 20 in this embodiment are placed in the same manner, and here means: the two fan blade assemblies 20 in the air duct body 10 are placed in the same manner, that is, the rotating directions of the fan blades 22 on the two fan blade assemblies 20 are the same, the end with the large outer diameter of the fan blade assembly 20 is arranged close to the second end of the air duct body 10, and the end with the small outer diameter of the fan blade assembly 20 is arranged close to the first end of the air duct body 10, so that the working capacity of the fan blade assembly 20 can be increased.

Referring to fig. 1 to 20 again, the air duct component in this embodiment is a two-stage mixed flow air duct, and during actual operation, the air duct component can realize switching of air flow inlet and outlet directions, so as to realize two air supply modes, i.e., top-in bottom-out air supply mode or bottom-in top-out air supply mode. Fig. 2 and 4 show two air outlet modes of the air duct component according to the present invention, respectively, in which the fan blade assembly 20 of the fan blade assembly 20 in this embodiment has a wide blade, no outer sealing ring, and has two forms, namely, a form with a splitter blade 23 and a form without a splitter blade 23, and the fan blade assembly 20 can achieve two effects in the axial direction and the centrifugal direction during the working process. The fan blade assembly 20 can realize two air supply modes of top-in bottom-out or bottom-in top-out by matching with the first air duct body 11 and the second air duct body 12 shown in fig. 2 and 4.

In the cooling mode, the air conditioner adopts a bottom-in and top-out air supply mode, and as shown in fig. 2, when viewed from the top of the air duct component, both the two stages of fan blade assemblies 20 rotate counterclockwise. The airflow enters from the lower end of the bottom fan blade assembly 20, after being blown out from the bottom fan blade assembly 20, the airflow passes through the mounting plate 40 with the rectifying blades 43, the mounting plate 40 can rectify the airflow blown out from the bottom fan blade assembly 20 while meeting the function of a fixed driving motor, the circumferential motion of the airflow is converted into axial motion so as to reduce the eddy current loss among the airflow, the rectified airflow enters the circulation channel 121 from the lower end of the bottom fan blade assembly 20, after doing secondary work through the upper fan blade assembly 20, the rectified airflow is blown out from the upper end of the upper fan blade assembly 20, then is secondarily rectified through the flow guide assembly 50, and then is blown out of the air channel body 10, so that a lower-in and upper-out air supply mode is realized, and the flow direction of the airflow in the fan blade assembly.

In the heating mode, the air conditioner adopts an air supply mode of top-in-bottom-out, as shown in fig. 3, when viewed from the top of the air duct component, both the two-stage fan blade assemblies 20 rotate clockwise. After entering the circulation channel 121 from the top end, the airflow firstly passes through the flow guide assembly 50, at this time, the flow guide assembly 50 plays dual roles of inlet preselection and rectification, then after the upper-end fan blade assembly 20 does work, the airflow passes through the mounting plate 40 with the rectification blades 43, the rectification blades 43 can rectify the airflow blown out from the upper-end fan blade assembly 20, the circumferential motion of the airflow is converted into axial motion, so as to reduce the eddy loss between the airflows, the rectified airflow enters from the upper end of the bottom-end fan blade assembly 20, after the second work of the bottom-end fan blade assembly 20, the airflow finally blows out of the air duct body 10 from the lower end of the bottom-end fan blade assembly 20, the air supply mode of the upward-in and downward-out is realized, and the.

During actual installation, two fan blade components 20 are located the both ends of mounting panel 40 respectively, and this mounting panel 40 can play fan blade component 20 within a definite time airflow rectification effect when satisfying fixed driving motor function, and kuppe 41 on the mounting panel 40 is connected with the fairing 43, and this structure can play the guide effect to the air current for the air current all gathers to fairing 43 department, has also increased the area of the interior stator of wind channel body 10 simultaneously, has reduced energy loss. The guide vanes 52 on the upper flow guide assembly 50 can respectively have the effects of outlet rectification and inlet preselection in two modes. The rectifying blades 43 on the mounting plate 40 can convert the air flow direction from circumferential motion to axial motion, so that the eddy loss between air flows is reduced, the efficiency of the fan is greatly improved, and the air output is increased.

The air duct component in the invention can realize the secondary work-doing process of the fan blade assembly 20, and the mode can increase the work-doing capability of the whole fan blade assembly 20. For example, after the bottom fan blade assembly 20 applies work, the flow is rectified by the mounting plate 40 with the rectifying blades 43, so that the eddy current loss between airflows can be reduced, and then the top fan blade assembly 20 applies work for a second time, so that the working capacity of the fan blade assembly 20 can be greatly improved, and the effect of secondary pressurization can be achieved. Therefore, the air duct component can greatly improve air output, reduce energy loss of a fan, simultaneously play a role in large supercharging, overcome larger resistance, and have remarkable effect when being applied to an air conditioner with two air supply modes of top-in bottom-out or bottom-in top-out.

Of course, in other embodiments of the present invention, the air duct member is not limited to use in an air conditioner, nor is it limited to use in a heating mode or a cooling mode, and any other configuration that requires the use of the air duct member of the present invention is within the scope of the present invention.

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

(1) the air duct component can realize the switching of the air inlet and outlet directions.

(2) The air duct component can greatly increase the air quantity and simultaneously has the effect of secondary pressurization.

(3) The mounting plate with the rectifying assembly reduces the eddy current loss among air flows and improves the efficiency of the fan blade assembly. The mounting plate is combined with the rectifying component, so that the motor can be mounted and fixed and can achieve the rectifying effect on airflow. The air guide sleeve on the lower portion of the mounting plate is connected with the rectifying assembly, so that the air guide sleeve can guide airflow, the guide vane area is increased, and energy loss is reduced.

(4) The position of the concave throat between the two stages of air channels is arranged above the bottom end of the top end fan blade assembly, so that the top end fan blade assembly can simultaneously have the functions of axial air suction and lateral (radial) air suction, the secondary work doing capability of the secondary air channel is improved, and the efficiency of the fan blade assembly is improved.

(5) The fan blade assembly is partially exposed out of the air duct body, and when the air duct is in a lower air inlet and upper air outlet mode, the fan blade assembly at the first end of the air duct body has the functions of axial air suction and lateral (radial) air suction, so that the acting capacity of the fan blade assembly is improved, and the efficiency of the fan blade assembly is improved; when the air-out mode under last air inlet, the fan blade subassembly of the first end of wind channel body can throw away partial air current in advance out the wind channel, and the internal resistance of wind channel body reduces, and the efficiency of acting increases substantially.

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 is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. An air duct component, comprising:

the air duct body (10), wherein a circulation channel (121) is arranged on the air duct body (10);

the fan blade assemblies (20) are arranged in the circulation channel (121) and are arranged at intervals along the axial direction of the circulation channel (121), and one of the fan blade assemblies (20) is located at the first end of the air duct body (10) and protrudes out of the end face (123) of the first end of the air duct body (10).

2. An air duct component according to claim 1, characterized in that the end surface (123) of the first end of the air duct body (10) is perpendicular to the axis of the flow channel (121).

3. The air duct component of claim 1, further comprising:

the driving assembly (30) is in driving connection with the fan blade assembly (20) to drive the fan blade assembly (20) to rotate along the clockwise direction or rotate along the anticlockwise direction.

4. The air duct component of claim 3, further comprising:

a mounting plate (40), the mounting plate (40) passing through the flow channel (121), the driving assembly (30) being mounted on the mounting plate (40).

5. An air duct component according to claim 3, wherein the drive assembly (30) comprises a drive motor, and the fan assembly (20) is mounted on an output shaft (31) of the drive motor.

6. Air duct component according to claim 4, characterized in that a flow guiding cover (41) is arranged on the mounting plate (40), the flow guiding cover (41) is arranged in a trumpet-shaped structure, one end of the trumpet-shaped structure with a larger opening is arranged towards the second end of the flow channel (121), and the driving assembly (30) is positioned inside the flow guiding cover (41).

7. An air duct component according to claim 6, characterized in that the air guide sleeve (41) is provided with an annular channel (42) at its periphery, and a plurality of spaced-apart flow straightening vanes (43) are provided in the annular channel (42).

8. An air duct component according to claim 1, further comprising a flow guide assembly (50), the flow guide assembly (50) being arranged at the second end of the flow channel (121).

9. The air duct component according to claim 8, characterized in that the flow guide assembly (50) comprises:

a positioning post (51);

the guide vanes (52) are arranged along the periphery of the positioning column (51) at intervals.

10. The air duct component according to claim 1, wherein the fan blade assembly (20) comprises a positioning sleeve (21) and a plurality of fan blades (22), and the fan blades (22) are uniformly arranged along the periphery of the positioning sleeve (21) at intervals.

11. The air duct component according to claim 10, wherein the fan blade assembly (20) further comprises a splitter blade (23), and the splitter blade (23) is fixed on the outer side wall of the positioning sleeve (21) and is located between two adjacent fan blades (22).

12. The air duct component according to claim 4, wherein the number of the fan blade assemblies (20) is two, the two fan blade assemblies (20) are arranged in the same manner, and the two fan blade assemblies (20) are respectively located on two sides of the mounting plate (40).

13. The tunnel component of any one of claims 1-12, characterized in that the tunnel body (10) comprises:

the fan blade assembly comprises a first air duct body (11), wherein an inner concave reducing opening (111) is formed in the middle section of a circulation channel (121) on the first air duct body (11), and a plurality of fan blade assemblies (20) are respectively located on two sides of the inner concave reducing opening (111);

the cross-sectional area of the middle section of the circulation channel (121) on the second air duct body (12) does not change along the axial direction, and the fan blade assembly (20) is positioned in the middle section;

the first air duct body (11) and the second air duct body (12) are sleeved on the periphery of the fan blade assembly (20) in a switchable manner.

14. An air duct component according to claim 13, wherein a distance between one of the fan blade assemblies (20) in the first air duct body (11) nearest to the inner concave reduced opening (111) and the first end of the flow channel (121) is smaller than a distance between the inner concave reduced opening (111) and the first end of the flow channel (121).

15. An air conditioner comprising an air duct component, wherein the air duct component is as claimed in any one of claims 1 to 14.