CN114458626A

CN114458626A - Fan subassembly, blast apparatus

Info

Publication number: CN114458626A
Application number: CN202210263846.9A
Authority: CN
Inventors: 姚建伟; 张心予; 陈锐; 蒋力
Original assignee: Aupu Home Style Corp Ltd
Current assignee: Aupu Home Style Corp Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-05-10

Abstract

The invention discloses a fan assembly and a blowing device, which relate to the field of household equipment, and the technical scheme is characterized by comprising the following steps of: the volute is provided with a plurality of mutually independent air channels which are sequentially arranged along the axial direction, and each air channel is matched with a mutually independent air outlet; the impeller at least comprises a first blade and a second blade with opposite rotation directions, and the first blade and the second blade with different rotation directions are matched with different air channels. By adopting the technical scheme, the volute is provided with the layered upper air outlet and the layered lower air outlet, and when the impeller rotates forwards, the first blades can form flowing air flow and send the air flow out from the upper air outlet; when the impeller rotates reversely, the second blade can form flowing air flow and is sent out from the lower air outlet, the single impeller realizes the switching of double air outlets, an air door and a motor do not need to be additionally arranged, and the cost is reduced.

Description

Fan subassembly, blast apparatus

Technical Field

The invention relates to the field of household equipment, in particular to a fan assembly and a blowing device.

Background

At present, when the air supply state of a traditional household appliance product such as a heater or a bathroom heater needs to be switched, the combination of an air door and a motor needs to be arranged in an air duct to realize the switching of the air duct and change the air outlet position.

Although the structure achieves the effect of switching the air duct, the cost of the household appliance is increased after the air door and the motor are added in the air duct, the internal layout of the air duct is also complicated, the air door is easy to switch incompletely in the using process, and even the reliability of the phenomenon that the air door is blocked is improved.

Disclosure of Invention

The invention aims to provide a fan assembly which has the advantage of being capable of switching an air supply state without relying on an air door.

The technical purpose of the invention is realized by the following technical scheme.

A fan assembly, comprising:

the volute is provided with a plurality of mutually independent air channels, and each air channel is matched with at least one air outlet;

the impeller at least comprises a first blade and a second blade with opposite rotation directions, and the first blade and the second blade with different rotation directions are matched with different air channels.

Further setting: the air outlets of the at least two air ducts are different in number.

Further setting: the volute comprises two air ducts, wherein one air duct is provided with two air outlets with different air outlet directions.

Further setting: the more the air outlets are arranged, the higher the axial height of the impeller corresponding to the air duct is.

Further setting: two air outlets on the same air duct face opposite directions.

Further setting: the wind channel includes:

the air outlet comprises a substrate and an enclosing part arranged on the substrate, wherein at least one notch is arranged on the enclosing part, and the notch forms the air outlet.

Further setting: further comprising:

the through hole is arranged on the substrate and is arranged in a space enclosed by the enclosing part.

Another object of the present invention is to provide a blowing device, comprising:

the fan assembly is arranged in the shell, the air duct is detachably connected with the shell, or at least one air duct is integrally formed with the shell.

a housing;

the two blowing channels are arranged on the shell and provided with blowing openings, the two blowing channels extend in opposite directions, and the blowing openings are in a strip shape;

the fan assembly is arranged in the shell, and the two air blowing openings are respectively and correspondingly communicated with the two air outlets which face opposite directions on the same air duct.

a housing;

the blowing channel is arranged on the shell and provided with a blowing opening.

The fan assembly is arranged in the shell.

And the heating device is arranged in the air duct and/or the blowing channel.

In conclusion, the invention has the following beneficial effects:

because the volute with the independent air channels is adopted, when the impeller rotates forwards, the second impeller does not work, and the first blade can form flowing air flow and send out from one air channel; when the impellers rotate reversely, the first impeller does not work, the second impeller can form flowing air flow and is sent out from the other air channel, the two air channels are provided with air outlets in different quantities, when the air flow flows out of the two air channels respectively, the switching of different air supply states is realized, the switching of double air outlets is realized by a single impeller, an air door and a motor do not need to be additionally arranged, and the cost is reduced.

Drawings

FIG. 1 is an exploded view of a fan assembly;

FIG. 2 is a schematic structural view of an impeller;

FIG. 3 is a schematic vertical cross-sectional view of a fan assembly;

FIG. 4 is a schematic transverse cross-sectional view of a first blade of the fan assembly;

FIG. 5 is a schematic transverse cross-sectional view of a second blade of the fan assembly;

fig. 6 is an exploded view of the structure of the blowing device;

FIG. 7 is a schematic view of the blower assembly, the blower channel connection;

fig. 8 is a schematic view of the internal structure of the blower assembly and the blowing passage.

In the figure, 100, a volute; 200. an impeller; 201. a first blade; 202. a second blade; 203. a motor; 300. an air outlet; 400. a housing; 500. an air inlet; 600. a heating device; 700. an air duct; 701. a substrate; 702. a surrounding part; 703. a notch; 704. an extension portion; 705. through holes; 800. a blowing channel; 900. an air blowing opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

First preferred embodiment:

a fan assembly, as shown in fig. 1, includes a volute 100 and an impeller 200 disposed within the volute 100.

As shown in fig. 2, the impeller 200 includes at least a first blade 201 and a second blade 202 having opposite rotation directions, and the impeller 200 rotates clockwise, the first blade 201 generates a flowing wind flow, the impeller 200 rotates counterclockwise, and the second blade 202 generates a flowing wind flow.

As shown in fig. 1 and 2, the scroll casing 100 has a plurality of independent wind channels 700, and each wind channel 700 is adapted to at least one wind outlet 300.

Preferably, the number of the air ducts 700 in this embodiment is at least two, and according to the air ducts 700 in which the impellers 200 are axially layered, in the viewing angles of fig. 2, 4, and 5, the impellers 200 rotate clockwise, the airflow generated by the first blade 201 is discharged from one of the air ducts 700, and when the impellers 200 rotate counterclockwise, the airflow generated by the second blade 202 is discharged from the other air duct 700.

As shown in fig. 3, 4 and 5, the air duct 700 inside the scroll casing 100 is independent and has a plurality of air ducts 700, and for convenience of illustration, the two air ducts are preferably provided, and the upper and lower layers are divided according to the perspective of fig. 1 and 3, and each layer of space corresponds to at least one air outlet 300. According to fig. 1, the number of outlets 300 having at least two air ducts 700 is different. The lower air duct 700 in the view of fig. 1 has two air outlets 300, and the upper air duct 700 has one air outlet 300.

Further, the air outlet directions of the two air outlets of the lower air duct 700 are different, and the air outlet directions are opposite to each other, or certainly, they may form an angle of 90 degrees with each other. Or any angle. The number of the air outlets 300 can be changed according to the requirement, and a plurality of air outlets 300 can be connected into one air duct 700. The upper air duct 700 may also be arranged according to the above rule according to the user's requirement.

Impeller 200's axial length is different, and the length of the first blade 201 and the second blade 202 that form is different, and when the user required the air output great, the axial length of first blade 201 can increase to the twice of second blade 202 to, the wind channel 700 that corresponds second blade 202 also can set up two, arranges respectively in same radial both sides, forms the air-out of two directions. The air duct 700 corresponding to the first blade 201 may be provided with one air duct to serve as auxiliary air outlet to realize other functions. In this embodiment, referring to fig. 2 and 4, the height (i.e., the axial length) of the first blade 201 is longer, and the height of the space in the corresponding air duct 700 with 2 air outlets 300 is higher, so that sufficient air volume is ensured when the air in the air duct flows out through two air outlets.

Of course, the axial length of the first blade 201 and the second blade 202 and the number of the corresponding wind channels 700 may be set according to the user's needs.

According to the requirement of the user, one or more air ducts 700 corresponding to the first blade 201 may be provided, and one or more air ducts 700 corresponding to the second blade 202 may also be provided, which are set according to the requirement of the air output. In the present embodiment, it is preferable to use one impeller unit and one air duct unit as an example. Under other application scenes, the impeller unit and the air duct unit can be added to meet the requirements of the scenes.

In addition to the above embodiments, as a further limited embodiment, as shown in fig. 1, fig. 4 and fig. 5, the air duct 700 includes a base plate 701 and an enclosure portion 702 provided on the base plate 701, a notch 703 is provided on the enclosure portion 702, and the air outlet 300 is formed at the notch 703. Specifically, the enclosing part 702 is an annular wall which is provided on the base plate 701 and extends upward perpendicular to the base plate 701, the annular wall does not close the notch 703, and the airflow generated by the rotation of the impeller 200 rotates around the annular wall and is blown out from the notch 703. One or more notches 703 may be provided.

Further, as shown in fig. 1, a through hole 705 is provided in the base plate 701, the through hole 705 is located in the surrounding range of the surrounding portion 702, and the through hole 705 is used for passing through the impeller 200. In this embodiment, a space for accommodating the impeller 200 is formed inside the whole scroll casing 100, the top air duct is closed by a cover, an independent space is formed inside the scroll casing 100, and the bottom air duct is closed by another cover to form an independent space. The impeller 200 and motor 203 are mounted on the base 701 of the duct and pass through the through holes 705 in the view of fig. 1, with part of the impeller 200 in both layers of the duct. That is, the first impeller 200 corresponds to the bottom air duct unit, and the second impeller 200 corresponds to the top air duct unit. At this time, the impeller 200 is driven by the motor 203 to rotate forward or backward to generate air flows, and the air flows are blown out through the air outlets 300 of the different air duct units. For example, when the impeller 200 is rotating in the forward direction, the second impeller 200 is not functioning, and the first blades 201 can form a flowing air flow to be sent out from one of the air channels 700; when the impellers 200 rotate in the opposite directions, the first impeller 200 does not work, the second impeller 202 can form flowing air flow and send out from the other air duct 700, double air outlet switching is realized by the single impeller 200, an air door and a motor 203 do not need to be additionally arranged, and the cost is reduced.

The specific application of the blower assembly of the present embodiment is not limited, and in the present embodiment, with reference to fig. 1 to 8, the blower assembly of the above embodiment is used for constructing a blowing device, the blowing device includes a housing 400, a space capable of accommodating the blowing device is provided in the housing 400, and a surface of the housing 400 has a blowing outlet matching with the air outlet 300.

Specifically, the embodiment takes the bathroom heater as an example, explains the specific implementation structure of the blowing device, and in practical application, the fan assembly can be applied to other blowing devices except for the heater and the bathroom heater.

As shown in fig. 6, the housing 400 of the present embodiment is a rectangular parallelepiped, and as an alternative embodiment, the housing 400 has other shapes such as a cube, a cylinder, a sphere, and a prism. The air duct 700 in the above embodiment is detachably coupled in the housing 400. As an alternative embodiment, the air duct 700 is integrally connected with the housing 400.

Further, the housing 400 is open at the top and closed by a panel. The panel seals the upper air duct and the lower air duct. As an alternative embodiment, the panel is integrally formed with the duct unit. It should be noted that the upper and lower panels should have air inlets 500 connected to the air duct.

As shown in fig. 7 and 8, the air duct further includes a blowing channel 800, and the blowing channel 800 has a blowing opening 900 and is communicated with the air outlet 300 of the air duct 700. Two strip-shaped air ducts 700 which are used for blowing air in opposite directions are formed by extending the end, and strip-shaped air blowing is formed. The blowing passage 800 is detachably connected to the air duct 700, and the blowing passage 800 is integrally connected to the air duct 700 as an alternative embodiment. In order to enable the strip-shaped blowing channel 800 to uniformly blow out air, air deflectors arranged at intervals are additionally arranged in the blowing channel 800, and air flow is uniformly conveyed out through the air deflectors.

Also comprises a heating device 600 arranged in the blowing channel 800. Alternatively, the heating device 600 may be disposed directly within the air chute 700 of the fan assembly.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. A fan assembly, comprising:

a volute (100) having a plurality of mutually independent air ducts (700), each air duct (700) being adapted to at least one air outlet (300);

the impeller (200) at least comprises a first blade (201) and a second blade (202) with opposite rotation directions, and the first blade (201) and the second blade (202) with different rotation directions are matched with different air channels (700).

2. The fan assembly of claim 1, wherein: the number of the air outlets (300) of at least two air ducts (700) is different.

3. The fan assembly of claim 1, wherein: the volute (100) comprises two air ducts (700), wherein one air duct (700) is provided with two air outlets (300) with different air outlet directions.

4. The fan assembly of claim 3, wherein: the more the air outlets (300) are arranged, the higher the axial height of the impeller (200) corresponding to the air duct (700) is.

5. The fan assembly of claim 3 or 4, wherein: the two air outlets (300) on the same air duct (700) are opposite in direction.

6. The fan assembly of any of claims 1-4, wherein: the air duct (700) comprises:

the air outlet comprises a substrate (701) and an enclosing part (702) arranged on the substrate (701), wherein at least one notch (703) is arranged on the enclosing part (702), and the notch (703) forms the air outlet (300).

7. The fan assembly of claim 6, wherein: further comprising:

and a through hole (705) which is arranged on the substrate (701), wherein the through hole (705) is arranged in a space enclosed by the enclosing part (702).

8. A blowing device, comprising:

a housing (400), the fan assembly of any of claims 1-7 being disposed within the housing (400), the air duct (700) being removably connected to the housing (400), or at least one of the air ducts (700) being integrally formed with the housing (400).

9. The utility model provides a blast apparatus which characterized in that: the method comprises the following steps:

a housing (400);

the two blowing channels (800) are arranged on the shell (400), each blowing channel (800) is provided with a blowing opening (900), the two blowing channels (800) extend in opposite directions, and the blowing openings (900) are strip-shaped;

the blower assembly of any one of claims 3-5, being disposed in the housing (400), wherein the two blowing openings (900) are respectively and correspondingly communicated with two opposite air outlets (300) on the same air duct (700).

10. The utility model provides a blast apparatus which characterized in that: the method comprises the following steps:

a housing (400);

the blowing channel (800) is arranged on the shell (400), and the blowing channel (800) is provided with a blowing opening (900);

the blower assembly of any of claims 1-7, disposed within the housing (400);

a heating device (600) disposed in the air duct (700) and/or the blowing channel (800).