CN112303012A

CN112303012A - Air duct component and air conditioner

Info

Publication number: CN112303012A
Application number: CN201910713268.2A
Authority: CN
Inventors: 林金煌; 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

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; the fan blade assembly comprises a mounting plate and a driving assembly, wherein the mounting plate is mounted in the circulation channel, the driving assembly is mounted on the mounting plate, the driving assembly is in driving connection with the fan blade assembly, a yielding channel is arranged on the mounting plate, and a rectifying assembly is arranged in the yielding channel; the first flow guide assembly is arranged at the first end of the circulation channel, and the second flow guide assembly is arranged at the second end of the circulation channel. The air duct component can switch the directions of the inlet and the outlet of air flow, and simultaneously has the first flow guide component, the rectifying component and the second flow guide component, so that the air duct component has the functions of inlet pre-rotation, outlet rectification and middle rectifying, the air flow direction channel is greatly optimized, and the working efficiency of the fan blade component is improved.

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 duct component in the prior art cannot be switched and the efficiency is low.

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; the fan blade assembly comprises a mounting plate and a driving assembly, wherein the mounting plate is mounted in the circulation channel, the driving assembly is mounted on the mounting plate, the driving assembly is in driving connection with the fan blade assembly, an abdicating channel is arranged on the mounting plate, and a rectifying assembly is arranged in the abdicating channel; the first flow guide assembly is arranged at the first end of the circulation channel, and the second flow guide assembly is arranged at the second end of the circulation channel.

Further, the first flow guide assembly and the second flow guide assembly each include: a positioning column; the stator, the polylith the stator is followed the periphery interval arrangement of reference column.

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

Further, the kuppe is the setting of horn-shaped structure, the great one end orientation of opening of horn-shaped structure the first end setting of circulation passageway.

Furthermore, the driving assembly is positioned inside the air guide sleeve, and the abdicating channel is an annular channel positioned on the periphery of the air guide sleeve; the rectifying assembly comprises a plurality of rectifying blades which are uniformly arranged in the annular channel.

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 every two adjacent blades.

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 peripheries of the fan blade assembly, the mounting plate, the driving assembly, the first flow guide assembly and the second flow guide 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, the first flow guide assembly is arranged at the first end of the circulation channel, the second flow guide assembly is arranged at the second end of the circulation channel, the mounting plate with the rectifying assembly is arranged in the circulation channel, and the first flow guide assembly, the rectifying assembly and the second flow guide assembly exist simultaneously, so that the air channel part has the functions of inlet pre-rotation and outlet rectification and middle rectifying, the air flow moving channel is greatly optimized, and the working efficiency of the fan blade assembly is improved.

Specifically, when the air conditioner works in a lower inlet and upper outlet mode, the driving assembly rotates in the anticlockwise direction, the fan blade assembly is driven to rotate in the anticlockwise direction in the circulation channel, air flows from the first end to the second end of the circulation channel, and at the moment, the first flow guide assembly and the second flow guide assembly respectively play roles in inlet pre-rotation and outlet rectification; under the mode of going in from top to bottom out, drive assembly rotates along the clockwise, and drive fan blade subassembly rotates along the clockwise in the circulation passageway, and the air current flows to first end direction from the second end of circulation passageway, and at this moment, second water conservancy diversion subassembly and first water conservancy diversion subassembly play the import and prerevolve and export rectification's effect respectively. Under two kinds of modes, take the mounting panel of rectification subassembly can satisfy drive assembly installation fixed the time play the rectification effect to the air current, and it can change into axial motion from circumferential motion with the air current direction between the circulation passageway, reduces vortex loss between the air current, greatly improves fan blade subassembly efficiency, the increase air output.

Because the plurality of fan blade assemblies are arranged in the axial direction of the circulation channel of the air channel component, the air quantity in the circulation channel can be greatly increased through the action of the plurality of fan blade assemblies, and the effect of pressurizing for many times is achieved.

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 schematically illustrates a front view of an air duct component of the present invention when assembled with 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 with a second air 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 perspective view schematically illustrating the air duct component of the present invention when assembled with a first air duct body;

FIG. 6 is a perspective view schematically illustrating the air duct component of the present invention when assembled with a second air duct body;

FIG. 7 schematically illustrates a perspective view of a first and second flow directing assembly of the present invention;

figure 8 schematically illustrates a perspective view of a first embodiment of a fan blade assembly of the present invention;

figure 9 schematically illustrates a front view of a first embodiment of a fan blade assembly of the present invention;

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

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

FIG. 12 schematically illustrates a first perspective view of the mounting plate of the present invention;

FIG. 13 schematically illustrates a top view of the mounting plate of the present invention;

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

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

FIG. 16 schematically illustrates a cross-sectional view of the mounting plate of the present invention;

FIG. 17 is a schematic representation of the fluid flow pattern of the air duct member of the present invention in a down-wind and up-wind position;

FIG. 18 schematically illustrates the fluid flow pattern of the air duct member of the present invention when the air duct member is 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; 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. a yielding channel; 43. a rectifying component; 50. a first flow guide assembly; 60. a second flow guide assembly; 561. a positioning column; 562. 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 18, according to an embodiment of the present invention, there is provided an air conditioner including an air duct member.

Referring to fig. 1 to 6, the air duct component in this embodiment includes an air duct body 10, a fan blade assembly 20, a mounting plate 40, a driving assembly 30, a first air guide assembly 50, and a second air guide assembly 60.

Wherein, a circulation channel 121 is arranged on the air duct body 10; the fan blade assemblies 20 are arranged in the flow channel 121 and are arranged at intervals along the axial direction of the flow channel 121; the mounting plate 40 penetrates through the flow passage 121, the driving assembly 30 is mounted on the mounting plate 40, the driving assembly 30 is in driving connection with the fan blade assembly 20 to drive the fan blade assembly 20 to rotate in the clockwise direction or in the anticlockwise direction, a yielding passage 42 is arranged on the mounting plate 40, and a rectifying assembly 43 is arranged in the yielding passage 42; the first flow guide assembly 50 is disposed at a first end of the flow passage 121, and the second flow guide assembly 60 is disposed at a second end of the flow passage 121.

According to the invention, the first flow guide assembly 50 is arranged at the first end of the circulation channel 121, the second flow guide assembly 60 is arranged at the second end of the circulation channel 121, the mounting plate 40 with the rectifying assembly 43 is arranged in the circulation channel 121, and the first flow guide assembly 50, the rectifying assembly 43 and the second flow guide assembly 60 have the functions of inlet pre-rotation, outlet rectification and middle rectifying of an air duct component, so that the air flow direction channel is greatly optimized, and the working efficiency of the fan blade assembly 20 is increased.

Specifically, when the air conditioner works in the lower-inlet and upper-outlet mode, as seen from the top view of fig. 2, the driving assembly 30 rotates in the counterclockwise direction, the driving fan blade assembly 20 rotates in the flow channel 121 in the counterclockwise direction, and the airflow flows from the first end to the second end of the flow channel 121, at this time, the first flow guide assembly 50 and the second flow guide assembly 60 respectively perform the inlet pre-rotation and outlet rectification functions; in the top-in-bottom-out mode, when viewed from the top view of fig. 4, the driving assembly 30 rotates clockwise, the driving blade assembly 20 rotates clockwise in the flow channel 121, and the airflow flows from the second end to the first end of the flow channel 121, at this time, the second flow guide assembly 60 and the first flow guide assembly 50 respectively perform the inlet pre-rotation and outlet rectification functions. In two modes, the mounting plate 40 with the rectifying component 43 can achieve the effect of rectifying the air flow while the driving component 30 is mounted and fixed, and can convert the air flow direction between the circulation channels 121 from circumferential movement to axial movement, so that the eddy loss between the air flows is reduced, the efficiency of the fan blade component 20 is greatly improved, and the air output is increased.

Because the plurality of fan blade assemblies 20 are arranged in the axial direction of the circulation channel 121 of the air duct component in the embodiment, the air volume in the circulation channel 121 can be greatly increased through the action of the plurality of fan blade assemblies 20, and meanwhile, the effect of multiple pressurization is achieved.

Preferably, the number of the fan blade assemblies 20 in this embodiment is two, and the two fan blade assemblies 20 are respectively located on two sides of the mounting plate 40, and in actual work, the mounting plate 40 with the rectifying assembly 43 can achieve an airflow rectifying effect while the driving assembly 30 is mounted and fixed, and can convert the airflow direction between the two fan blade assemblies 20 from circumferential movement to axial movement, so that the eddy loss between airflows is reduced, the efficiency of the fan blade assemblies is greatly improved, and the air output is increased.

Of course, in other embodiments of the present invention, more than two fan blade assemblies 20 may be provided, and any other modifications under the concept of the present invention are within the protection scope of the present invention.

Referring to fig. 1 to 6, 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, the first flow guide assembly 50 and the second flow guide assembly 60 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 located between the first flow guide assembly 50 and the fan blade 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 on the peripheries of the fan blade assembly 20, the mounting plate 40, the driving assembly 30, the first flow guide assembly 50 and the second flow guide assembly 60, 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 fan 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.

Referring to fig. 1 to 7, each of the first flow guiding assembly 50 and the second flow guiding assembly 60 in the present embodiment includes a positioning column 561 and a guide vane 562, wherein a plurality of guide vanes 562 are arranged at intervals along the periphery of the positioning column 561, and the structure is simple, stable and reliable.

Preferably, the driving assembly 30 in this embodiment is a driving motor, and during actual installation, the fan blade assembly 20 is installed on the output shaft 31 of the driving motor, and the fan blade assembly 20 is driven to rotate clockwise or counterclockwise by the forward rotation and the reverse rotation of the driving motor, so that the air duct member enters air from the first end of the circulation channel 121 and exits air from the second end of the circulation channel 121; or the air duct member is supplied with air from the second end of the flow channel 121 and discharged with air from the first end of the flow channel 121.

Referring to fig. 1 to 6 and 12 to 16, a flow guide sleeve 41 is disposed on the mounting plate 40 in this embodiment, the flow guide sleeve 41 in this embodiment is in a trumpet-shaped structure, one end of the trumpet-shaped structure with a larger opening is disposed toward the second end of the flow channel 121, and the driving assembly 30 is located inside the flow guide sleeve 41, so as to protect the driving assembly 30.

Preferably, the relief passage 42 in this embodiment is an annular passage located at the outer periphery of the pod 41, so as to provide the necessary space for fluid communication inside the communication passage 121. The rectifying assembly 43 in this embodiment includes a plurality of rectifying blades, and the plurality of rectifying blades are uniformly arranged in the annular passage, so as to rectify the airflow in the flow passage 121, increase the guide vane area in the flow passage 121, and reduce energy loss.

Referring to fig. 8 to 9, 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. 10 and 11, in another embodiment of the present invention, the structure of the blade assembly 20 is substantially the same as that of fig. 8 and 9, 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 18 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 the lower end of the bottom fan blade assembly 20 after being subjected to the pre-tightening and rectifying dual functions of the first flow guide assembly 50, and after the airflow works by the bottom fan blade assembly 20, the airflow passes through the mounting plate 40 with the rectifying assembly 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 loss among the airflow, the rectified airflow enters the upper end from the lower end of the flow channel 121, after the airflow works for the second time by the upper fan blade assembly 20, the airflow is blown out from the upper end of the upper fan blade assembly 20 and then is subjected to secondary rectification by the second flow guide assembly 60, and then the airflow is blown out of the air channel body 10, so that an air supply mode of lower inlet and upper outlet is realized, and the flow direction of.

In the heating mode, the air conditioner adopts an air supply mode of top-in-bottom-out, as shown in fig. 4, when viewed from the top of the air duct component, both the two-stage fan blade assemblies 20 rotate clockwise. After entering from the second end, i.e. the top end, of the flow channel 121, the airflow first passes through the second flow guide assembly 60, at this time, the second flow guide assembly 60 performs double functions of inlet preselection and rectification, then passes through the fan blade assembly 20 at the upper end to do work, and then passes through the mounting plate 40 with the rectification assembly 43, the rectification assembly 43 can rectify the airflow blown out from the fan blade assembly 20 at the upper end, convert the circumferential motion of the airflow into axial motion to reduce the eddy loss between the airflows, after the rectified airflow is secondarily worked by the fan blade assembly 20 at the bottom end, the first flow guide assembly 50 converts the circumferential motion of the airflow into the axial motion again, and finally blows out the air duct body 10, so that an air supply mode of upward feeding and downward discharging is realized, and the flow direction of the airflow inside the fan blade assembly.

The two fan blade assemblies 20 in this embodiment are placed in the same direction, 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, so that the working capacity of the fan blade assemblies 20 can be increased.

The first flow guide assembly 50, the mounting plate 40 with the rectifying assembly 43 between the two stages of fan blade assemblies 20 and the second flow guide assembly 60 exist simultaneously, so that the air duct component has the inlet pre-rotation and outlet rectifying functions, and the rectifying function between the two stages of fan blade assemblies 20 is realized, the airflow moving channel is greatly optimized, the efficiency of the fan blade assemblies 20 is increased, and the effect of the two stages of mixed flow fan blade assemblies 20 is exerted. In the lower-in and upper-out mode, the first flow guide assembly 50 and the second flow guide assembly 60 respectively play roles in inlet pre-rotation and outlet rectification; in the up-in and down-out mode, the two functions are just opposite. In two modes, the mounting plate 40 with the rectifying component 43 can achieve the effect of rectifying the air flow while the mounting and fixing of the driving motor are met, the air flow direction between the two stages of fan blade components 20 can be converted from circumferential movement to axial movement, the eddy loss between the air flows is reduced, the efficiency of the fan blade components is greatly improved, and the air output is increased. And the outer edge of the air guide sleeve 41 on the mounting plate 40 is connected with the rectifying assembly 43, and the structure can guide the air flow, so that the air flow is converged towards the rectifying blades, the guide vane area is increased, and the energy loss is reduced.

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 assembly, 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 the fan blade assembly, simultaneously play a role in large pressurization, overcome larger resistance, and have obvious effect when being applied to air conditioners 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) Compared with the air duct with a single fan blade assembly, the air duct component can greatly increase the air quantity and has the effect of pressurizing for many times.

(3) 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.

(4) According to the invention, a first flow guide assembly is additionally arranged below the fan blade assembly at the bottom end, an installation plate with a flow rectification assembly is additionally arranged between two stages of fan blade assemblies, and a second flow guide assembly is additionally arranged above the fan blade assembly at the upper end. The first flow guide assembly, the rectifying assembly and the second flow guide assembly exist simultaneously, so that the air duct component has the functions of inlet pre-rotation and outlet rectification and rectification between two stages of fan blade assemblies, the airflow moving channel is greatly optimized, and the efficiency of the fan blade assemblies is improved.

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);

the fan blade assembly comprises a mounting plate (40) and a driving assembly (30), wherein the mounting plate (40) is mounted in the circulation channel (121), the driving assembly (30) is mounted on the mounting plate (40), the driving assembly (30) is in driving connection with the fan blade assembly (20), a yielding channel (42) is arranged on the mounting plate (40), and a rectifying assembly (43) is arranged in the yielding channel (42);

the flow guide device comprises a first flow guide assembly (50) and a second flow guide assembly (60), wherein the first flow guide assembly (50) is arranged at a first end of the circulation channel (121), and the second flow guide assembly (60) is arranged at a second end of the circulation channel (121).

2. The air duct component according to claim 1, wherein the first flow guide assembly (50) and the second flow guide assembly (60) each comprise:

a positioning post (561);

the guide vanes (562) are arranged along the periphery of the positioning column (561) at intervals.

3. The air duct component according to claim 1, 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 at two sides of the mounting plate (40).

4. 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.

5. Air duct component according to claim 1, characterized in that air guide hoods (41) are arranged on the mounting plate (40), the air guide hoods (41) being arranged in a trumpet-shaped structure, the end of the trumpet-shaped structure with the larger opening being arranged towards the first end of the flow channel (121).

6. An air duct component according to claim 5, characterized in that the drive assembly (30) is located inside the air guide casing (41), the relief passage (42) being an annular passage located at the periphery of the air guide casing (41);

the rectifying assembly (43) comprises a plurality of rectifying blades (431), and the plurality of rectifying blades (431) are uniformly arranged in the annular channel.

7. 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.

8. The air duct component according to claim 7, characterized in that 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).

9. The duct component according to any one of claims 1-8, characterized in that the duct 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 peripheries of the fan blade assembly (20), the mounting plate (40), the driving assembly (30), the first flow guide assembly (50) and the second flow guide assembly (60) in a switchable mode.

10. An air duct component according to claim 9, 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).

11. An air conditioner comprising an air duct component, wherein the air duct component is as claimed in any one of claims 1 to 10.