CN106996380B

CN106996380B - Air supply device

Info

Publication number: CN106996380B
Application number: CN201710141146.1A
Authority: CN
Inventors: 贾铌; 柳洲; 梁浩; 马恒川; 尚勇
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2017-03-09
Filing date: 2017-03-09
Publication date: 2023-07-07
Anticipated expiration: 2037-03-09
Also published as: CN106996380A

Abstract

The invention provides an air supply device. The air supply device comprises: the shell is provided with an annular air outlet, a central air outlet and only one air inlet structure; the fan is arranged in the shell. The invention solves the problems of poor structural strength and difficult cleaning of the air supply device in the prior art.

Description

Air supply device

Technical Field

The invention relates to the technical field of household appliances, in particular to an air supply device.

Background

With the improvement of living standard, people have put higher demands on comfort of living environment, and the variety of air supply devices is also increasing.

The existing air supply devices are mostly common fans with fan blades, air conditioners with heat exchangers, air supply devices without fan blades and the like.

For the air supply device without fan blades, a plurality of air inlets are usually arranged on the shell of the air supply device so as to ensure the air supply quantity, but the air supply device with the structure is easy to accumulate ash and difficult to clean because the shell is provided with the plurality of air inlets. In addition, the plurality of air inlets also can lead to the problems of complicated appearance structure, poor appearance, high processing difficulty, poor structural strength and the like of the air supply device.

Disclosure of Invention

The invention mainly aims to provide an air supply device which solves the problems of poor structural strength and difficult cleaning of the air supply device in the prior art.

In order to achieve the above object, the present invention provides an air blowing device including: the shell is provided with an annular air outlet, a central air outlet and only one air inlet structure; the fan is arranged in the shell.

Further, the central air outlet is located the central point of annular air outlet, and air supply arrangement still includes the inner shell that has the opening structure, and the inner shell sets up in the shell and forms the wind passageway with between the shell, and the fan is located between air inlet structure and the inner shell, and opening structure orientation central air outlet, annular air outlet and central air outlet separate through the wall of inner shell, and the inner shell has the intercommunication mouth.

Further, the air supply device further includes: the first air path consists of an air inlet structure, an air passage and an annular air outlet; the second air passage consists of an air inlet structure, an air passage, a communication port and a central air outlet.

Further, the air supply device also comprises a spacer bush which is arranged in the outer shell, the inner shell and the fan are arranged in the spacer bush, the spacer bush is provided with an air outlet, and the air outlet is communicated with the communication port through a communication pipe; the spacer sleeve divides the air passage into a first sub-passage and a second sub-passage, the first sub-passage is formed between the spacer sleeve and the inner shell, and the first air path of the air supply device consists of an air inlet structure, the first sub-passage and an annular air outlet; a second sub-channel is formed between the spacer bush and the shell, and a second air channel of the air supply device consists of an air inlet structure, the second sub-channel, an air passing port, a communicating pipe, a communicating port and a central air outlet.

Further, the number of the air inlets is multiple, and the air inlets are arranged at intervals around the circumference of the spacer bush.

Further, the communication ports and the communicating pipes are multiple, the communication ports and the communicating pipes are in one-to-one correspondence, the communicating pipes and the air inlets are in one-to-one correspondence, and the cavity of the inner shell is a gas mixing cavity.

Further, the communication ports are multiple, the multiple communication ports are arranged around the circumference of the inner shell at intervals, and the cavity of the inner shell is a gas mixing cavity.

Further, the air inlet end of the spacer bush is connected with the inner wall of the shell.

Further, the air outlet end of the spacer bush is aligned with and connected with the outer periphery of the annular air outlet of the shell.

Further, the orthographic projection of the air inlet opening of the spacer bush on the air inlet structure is positioned in the periphery of the air inlet structure.

Further, the shell is of an egg-shaped structure or a spherical structure.

Further, the air inlet structure is a grid structure.

Further, the air supply device further comprises a base, and the shell is arranged on the base.

Further, the housing is detachably connected to the base.

Further, the base is provided with a positioning groove, and at least one part of the shell is embedded in the positioning groove.

By applying the technical scheme of the invention, the shell is provided with only one air inlet structure, and wind entering the shell from the air inlet structure can be blown out through the annular air outlet and the central air outlet respectively. Therefore, the reliability of air outlet is guaranteed, the shell is tidier and more attractive, and the cleaning difficulty of the shell is reduced.

In addition, due to the fact that only one air inlet structure is arranged, the shell is prevented from being perforated at multiple points, the structural strength of the shell is guaranteed, and processing and manufacturing difficulties are reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of an air supply device according to an embodiment of the present invention;

fig. 2 shows a front view of fig. 1;

fig. 3 shows a back view of fig. 2;

fig. 4 shows a left side view of fig. 2;

FIG. 5 shows a top view of FIG. 2;

FIG. 6 is a schematic flow diagram of a first air path of the air supply device of FIG. 1; and

fig. 7 shows a flow diagram of a second air path of the air supply device of fig. 1.

Wherein the above figures include the following reference numerals:

10. a housing; 11. an annular air outlet; 12. a central air outlet; 13. an air inlet structure; 20. a blower; 30. a wind passage; 31. a first sub-channel; 32. a second sub-channel; 40. an inner case; 41. a communication port; 42. a gas mixing chamber; 50. a spacer bush; 51. an air port; 60. and communicating pipe.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present invention.

The invention provides an air supply device, which aims to solve the problems of poor structural strength and difficult cleaning of the air supply device in the prior art.

As shown in fig. 1 to 7, the air supply device includes a housing 10 and a blower 20, the housing 10 having an annular air outlet 11, a central air outlet 12, and only one air inlet structure 13; a blower 20 is disposed within the housing 10.

The shell 10 is provided with only one air inlet structure 13, and wind entering the shell 10 through the air inlet structure 13 can be blown out through the annular air outlet 11 and the central air outlet 12 respectively. Thus, the reliability of air outlet is ensured, the shell 10 is tidier and more attractive, and the cleaning difficulty of the shell is reduced.

In addition, due to the fact that only one air inlet structure 13 is arranged, multiple points of holes are avoided in the shell 10, the structural strength of the shell 10 is guaranteed, and processing and manufacturing difficulties are reduced.

Specifically, the center air outlet 12 is located at the center of the annular air outlet 11.

The annular air outlet 11 is in a narrow annular structure relative to the central air outlet 12, so that the air flowing out of the annular air outlet 11 has the characteristic of high flow velocity, a certain negative pressure is formed at the central air outlet 12, the air in the shell 10 is pumped out of the central air outlet 12 under the action of the negative pressure, the effect of increasing the ventilation quantity and the air velocity is achieved, the ventilation efficiency of the air supply device is further improved, and the temperature of the indoor environment is more comfortable.

The air inlet structure 13 in the invention is a grid structure. The grille structure can ensure the air intake, also can make the appearance of the air supply device beautiful, and avoid the injury caused by the mistaken entering of hands into the air supply device.

Optionally, the grid structure is a mesh-like structure or an elongated hole-like structure. In the particular embodiment shown in fig. 3, the grating structure is formed of a plurality of arcuate elongated hole-like structures to form an elliptical grating structure.

The inlet of the blower 20 in the present invention is directed towards the air intake structure 13. In this way, under the action of the blower 20, air outside the casing 10 is sucked into the casing 10 through the air inlet structure 13, and is blown out through the annular air outlet 11 and the center air outlet 12.

Alternatively, the fan 20 is a centrifugal fan or a cross-flow fan. When the blower 20 is a cross flow blower, the housing 10 needs to be further elongated to reserve a sufficient installation space for the cross flow blower.

In the embodiment shown in fig. 1-7, the air intake structure 13 is located in the rear half of the housing 10 directly opposite the inlet end of the blower 20.

In order to better plan the path of the air flowing in the outer casing, the air supply device further comprises an inner casing 40 with an opening structure, the inner casing 40 is arranged in the outer casing 10 and forms an air passing channel 30 with the outer casing 10, the fan 20 is arranged between the air inlet structure 13 and the inner casing 40, the opening structure faces the central air outlet 12, the annular air outlet 11 is separated from the central air outlet 12 by the wall surface of the inner casing 40, and the inner casing 40 is provided with a communication port 41. Thus, the gas outside the inner case 40 is blown out through the annular air outlet 11, and the gas entering the inner case 40 is blown out through the center air outlet 12.

Specifically, the air supply device further comprises a first air passage and a second air passage, wherein the first air passage is composed of an air inlet structure 13, an air passage 30 and an annular air outlet 11; the second air path is composed of an air inlet structure 13, an air passage 30, a communication port 41 and a central air outlet 12.

As shown in fig. 6 and 7, the air supply device further includes a spacer 50, the spacer 50 is disposed in the outer casing 10, the inner casing 40 and the fan 20 are disposed in the spacer 50, the spacer 50 has an air-passing opening 51, and the air-passing opening 51 is communicated with the communication opening 41 through the communication pipe 60; the spacer 50 divides the air passage 30 into a first sub-passage 31 and a second sub-passage 32, the first sub-passage 31 is formed between the spacer 50 and the inner shell 40, and the first air path of the air supply device is composed of an air inlet structure 13, the first sub-passage 31 and an annular air outlet 11; a second sub-channel 32 is formed between the spacer bush 50 and the housing 10, and a second air path of the air supply device is composed of an air inlet structure 13, the second sub-channel 32, an air passing port 51, a communicating pipe 60, a communicating port 41 and a central air outlet 12. The spacer 50 is mainly used for separating the first air channel from the second air channel so as to ensure that the air can be blown out from the central air outlet 12 and the annular air outlet 11 respectively.

In the particular embodiment shown in fig. 6 and 7, the air inlet end of spacer 50 is connected to the inner wall of housing 10. Thus, the air entering the housing 10 from the air intake structure 13 is split by the spacer 50 into two streams, one stream entering the fan 20 directly and the other stream flowing along the second sub-passage 32 between the spacer 50 and the inner wall of the housing 10.

Specifically, the air outlet end of the spacer 50 is aligned with and connected to the outer periphery of the annular air outlet 11 of the casing 10. In this way, the gas in the second sub-passage 32 can be blown out from the center air outlet 12 only after being mixed in the inner cavity of the inner case 40 through the communication pipe 60 and the communication port 41 via the air passage 51. That is, the first air path and the second air path do not meet in the housing 10, so that turbulence in the air supply device can be effectively reduced, reliability of air supply is improved, and noise is reduced.

From this, it can be seen that the communication tube 60 forms a dark flow path in the housing 10, ensuring the smoothness of the second gas path.

In order to ensure the air intake reliability, the orthographic projection of the air intake opening of the spacer 50 on the air intake structure 13 is located within the periphery of the air intake structure 13. In this way, the air outside the casing 10 can be ensured to directly enter the second sub-channel 32 through the air inlet structure 13, so as to ensure the smoothness of the flow of the second air path.

Specifically, the number of the air vents 51 is plural, and the plural air vents 51 are arranged at intervals around the circumference of the spacer 50. In this way, the air in the second sub-channel 32 can uniformly enter the inner casing 40 through the plurality of air inlets 51, so as to avoid noise caused by excessive local air pressure.

In order to reduce turbulence of the gas in the outer casing 10, the communication ports 41 and the communication pipes 60 are plural, the communication ports 41 are disposed in one-to-one correspondence with the communication pipes 60, the communication pipes 60 are disposed in one-to-one correspondence with the air inlets 51, and the cavity of the inner casing 40 is the gas mixing cavity 42. In this way, the air flow passing through the air passage 51 can be smoothly introduced into the inner case 40 through the communication pipe 60 and the communication port 41 to ensure the smoothness of the second air passage.

The number of the air vents 51, the communication pipes 60, and the communication ports 41 may be any number, and in the embodiment of the present invention, the number is 6.

In order to uniformly mix the gas in the gas mixing chamber 42, a plurality of communication ports 41 are provided at intervals around the circumference of the inner case 40. In this way, the gas in the second gas path can be uniformly mixed in the gas mixing chamber 42 of the inner shell 40, so that the smoothness of the gas flow is improved, and the turbulence is reduced.

The housing 10 in the present invention is an egg-shaped structure or a spherical structure. Preferably an egg-shaped structure. The egg-shaped structure of the housing 10 has the characteristic of attractive appearance.

In order to ensure that the air supply device can be reliably placed, the air supply device further comprises a base, and the housing 10 is arranged on the base. By providing the base, the housing 10 can be fixed to ensure reliable air supply of the air supply device.

In order to improve the convenience of assembling and disassembling the air supply device, the housing 10 is detachably connected with the base. Thus, the air supply device can be rotated and moved conveniently.

Optionally, the base has a detent in which at least a portion of the housing 10 is embedded. Like this, shell 10 can easily realize the location on the base, guarantees dismouting convenience and placement stability.

The air supply device reduces the number of the air inlet structures 13 on the shell 10, directly utilizes one air inlet structure 13 to achieve the arrangement of two air paths, and has a tidier and more attractive appearance.

In order to better understand the solution, the working principle of the air supply device in the present invention will be described in the following.

The air inlet structure 13 is positioned at the center of the rear half part of the shell 10 and is opposite to the inlet end of the fan 20, and the air is divided into two air paths by the spacer 50 after passing through the air inlet structure 13.

As shown in fig. 6, the air in the first air path flows out from the annular air outlet 11 along the first sub-channel 31 after passing through the fan 20 under the action of the fan 20. The driving force of the air flow of the first air path is generated by a fan 20, and the fan 20 is axially air-in and radially air-out. The design can combine the two air inlets into one, so that the appearance of the air supply device is simplified, and the air supply device is more concise.

As shown in fig. 7, the gas in the second gas path passes through the air inlet structure 13, enters the second sub-channel 32, passes through the air inlet 51, the communication pipe 60 and the communication port 41, enters the gas mixing chamber 42 of the inner shell 40, and finally flows out from the central air outlet 12. The driving force of the second air path is derived from the air flow of the first air path, and the annular width of the annular air outlet 11 is narrow, so that the air outlet speed is high, a certain negative pressure is formed at the periphery of the annular air outlet 11, and the air flow of the central air outlet 12 is induced under the influence of pressure difference, so that the air of the second air path circulates.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

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 in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. 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 blowing device, comprising:

a shell (10), wherein the shell (10) is provided with an annular air outlet (11), a central air outlet (12) and only one air inlet structure (13), and the central air outlet (12) is positioned at the central position of the annular air outlet (11);

the fan (20) is arranged in the shell (10), and an inlet of the fan (20) faces the air inlet structure (13);

an inner shell (40), the inner shell (40) being disposed within the outer shell (10) and forming an over-wind channel (30) with the outer shell (10);

the spacer bush (50), the spacer bush (50) is arranged in the outer shell (10), the inner shell (40) and the fan (20) are arranged in the spacer bush (50), the spacer bush (50) is provided with an air passing opening (51), and the air passing opening (51) is communicated with the communication opening (41) through a communication pipe (60); the spacer bush (50) divides the air passage (30) into a first sub-passage (31) and a second sub-passage (32),

the first sub-channel (31) is formed between the spacer bush (50) and the inner shell (40), and the first air path of the air supply device is composed of the air inlet structure (13), the first sub-channel (31) and the annular air outlet (11);

the second sub-channel (32) is formed between the spacer bush (50) and the shell (10), and the second air path of the air supply device is composed of the air inlet structure (13), the second sub-channel (32), the air passing port (51), the communicating pipe (60), the communicating port (41) and the central air outlet (12).

2. The air supply device according to claim 1, characterized in that the inner casing (40) has an opening structure, the fan (20) is located between the air intake structure (13) and the inner casing (40), the opening structure faces the central air outlet (12), the annular air outlet (11) is separated from the central air outlet (12) by a wall surface of the inner casing (40), and the inner casing (40) has the communication port (41).

3. The air supply device according to claim 1, wherein the number of the air vents (51) is plural, and the plural air vents (51) are arranged at intervals around the circumference of the spacer (50).

4. The air supply device according to claim 2, wherein the communication ports (41) and the communication pipes (60) are plural, the communication ports (41) and the communication pipes (60) are arranged in one-to-one correspondence, the communication pipes (60) and the air vents (51) are arranged in one-to-one correspondence, and the cavity of the inner casing (40) is a gas mixing cavity (42).

5. The air supply device according to claim 2, wherein the plurality of communication ports (41) are provided, the plurality of communication ports (41) are arranged at intervals around the circumference of the inner casing (40), and the cavity of the inner casing (40) is a gas mixing cavity (42).

6. A blowing device according to claim 1, characterized in that the air inlet end of the spacer (50) is connected to the inner wall of the housing (10).

7. A blowing device according to claim 1, characterised in that the air outlet end of the spacer (50) is aligned with and connected to the outer periphery of the annular air outlet (11) of the casing (10).

8. A blowing device according to claim 1, characterized in that the orthographic projection of the air inlet opening of the spacer (50) on the air inlet structure (13) is located within the periphery of the air inlet structure (13).

9. A blowing device according to any one of claims 1 to 8, characterized in that the casing (10) is of egg-shaped or spherical construction.

10. A blowing arrangement according to any one of claims 1 to 8, characterized in that the air inlet structure (13) is a grille structure.

11. A blowing device according to any one of claims 1 to 8, characterised in that the blowing device further comprises a base on which the housing (10) is arranged.

12. A blowing device according to claim 11, characterised in that said housing (10) is detachably connected to said base.

13. The air supply device according to claim 11, wherein the base has a positioning groove, and at least a portion of the housing (10) is embedded in the positioning groove.