CN114294266B - Air guide structure and air outlet device - Google Patents
Air guide structure and air outlet device Download PDFInfo
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- CN114294266B CN114294266B CN202111683216.9A CN202111683216A CN114294266B CN 114294266 B CN114294266 B CN 114294266B CN 202111683216 A CN202111683216 A CN 202111683216A CN 114294266 B CN114294266 B CN 114294266B
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Abstract
The invention discloses an air guide structure and an air outlet device, wherein the air guide structure comprises a shell and a spiral guide vane structure; the shell is provided with an air outlet; the spiral guide vane structure comprises a spiral guide vane extending spirally along a first direction, and the spiral guide vane can be rotatably installed at the air outlet along an axis extending along the first direction; that is, when the air flow is blown out from the air outlet, pressure difference is formed at two sides of the spiral guide vane, so that the spiral guide vane is driven to rotate, and the structure is simple and the cost is low; meanwhile, the spiral air flow is formed at the air outlet through the rotation of the spiral guide vane, so that a spiral air supply mode is realized, the air supply direction can be changed, the problems of strong vertical air supply and air supply sense in the prior art are solved, and the comfort level of users is improved; furthermore, the spiral guide vane can reduce the air outlet resistance, so that the air speed of the air outlet is improved, the rotating speed and the power of the motor are further reduced, and the problems of the motor cost and the temperature rise are solved.
Description
Technical Field
The invention relates to the technical field of air outlet devices, in particular to an air guide structure and an air outlet device.
Background
The existing air outlet device has various types, taking a tower fan product as an example, and the existing tower fan is taken as a fan electrical appliance, and has the advantages of small volume, up-down air supply, low noise and the like, thus being popular in the market. The existing tower fan designs the aviation baffle structure in the air-out grid, and the air current forms perpendicular efflux flow field through the runner constraint between the aviation baffle, leads to the tower fan out mouth air current to blow perpendicularly to user's face, and the sense of blowing is strong, leads to the uncomfortable problem of blowing to appear in user's the use.
Disclosure of Invention
The invention mainly provides an air guide structure and an air outlet device, and aims to solve the problems that an existing air guide structure is vertical to air outlet and strong in air blowing sense, so that user comfort is reduced.
The main object of the present invention is to provide an air guiding structure, comprising:
A shell, which is provided with an air outlet; and
The spiral guide vane structure comprises a spiral guide vane extending spirally along a first direction, and the spiral guide vane can be rotatably installed at the air outlet along an axis extending along the first direction.
Optionally, the spiral vane structure further includes a rotating shaft rotatably installed at the air outlet along the first direction;
the spiral guide vane is spirally wound on the periphery of the rotating shaft along the axis of the rotating shaft.
Optionally, a bearing is arranged between at least one end of the rotating shaft and the shell.
Optionally, the spiral guide vane sets up a plurality of, and a plurality of spiral guide vane interval is disposed in the week side of pivot, and adjacent two the center contained angle that the spiral guide vane corresponds is alpha, and alpha = 360/N, wherein, the quantity of spiral guide vane is N, and N is greater than or equal to 2.
Optionally, two spiral guide vanes are arranged, the two spiral guide vanes are arranged on the periphery of the rotating shaft at intervals, and an air outlet flow channel is formed between the two spiral guide vanes;
The spiral guide vane structure is provided with at least two air outlet channels which are mutually close along the air outlet direction to form a contracted flow channel, so that the air guide structure is provided with a central air supply mode, and the two air outlet channels are mutually far away along the air outlet direction to form an expanded flow channel, so that the air guide structure is provided with a dispersed air supply mode.
Optionally, a plurality of spiral vane structures are provided, and a plurality of the spiral vane structures are arranged at intervals in the second direction.
The invention also provides an air outlet device, which comprises an air guide structure, wherein the air guide structure comprises:
A shell, which is provided with an air outlet; and
The spiral guide vane structure comprises a spiral guide vane extending spirally along a first direction, and the spiral guide vane can be rotatably installed at the air outlet along an axis extending along the first direction so as to form spiral airflow at the air outlet.
Optionally, an air inlet and an air flow channel between the air inlet and the air outlet are further formed on the shell, and a wind wheel is arranged in the air flow channel to guide air flow to be led in from the air inlet and blown out from the air outlet.
Optionally, the wind wheel comprises a cross flow wind wheel, and the cross flow wind wheel is arranged along the first direction and is installed in the airflow channel along the axial direction of the cross flow wind wheel.
Optionally, the rotating shaft of the wind wheel extends out of the airflow channel to form a connecting part;
the air outlet device further comprises a driving motor, and the driving motor is in driving connection with the connecting part.
Optionally, the air outlet device comprises one of a tower fan, a warm fan and an air conditioner.
According to the technical scheme, the spiral guide vane is rotatably arranged at the air outlet of the shell along the axis extending in the first direction, and when air flow is blown out from the air outlet, pressure difference is formed at two sides of the spiral guide vane, so that the spiral guide vane is driven to rotate, a driving mechanism is prevented from being added, the structure of the air guide structure is simplified, and the cost is reduced; meanwhile, the spiral air flow can be formed at the air outlet through the rotation of the spiral guide vane, so that a spiral air supply mode is realized, the air supply direction can be changed, the problems of strong sense of vertical air supply and air supply in the prior art are solved, and the comfort level of users is improved; furthermore, the spiral guide vane can reduce air outlet resistance, so that the air speed of the air outlet is improved, the rotating speed and the power of the motor are further reduced, and the problems of motor cost and temperature rise are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic plan view of an embodiment of an air guiding structure according to the present invention;
FIG. 2 is a schematic structural view of the helical vane of FIG. 1;
FIG. 3 is a schematic illustration of the airflow direction (vertical blow) of the helical vane of FIG. 1 in operation;
FIG. 4 is a schematic illustration of the airflow direction (center supply) of the helical vane of FIG. 1 in operation;
FIG. 5 is a schematic illustration of the airflow direction (distributed supply) of the helical vane of FIG. 1 in operation;
fig. 6 is a schematic structural diagram of an embodiment of an air supply device according to the present invention.
Description of the embodiments of the invention the reference numerals:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 1000 | Air supply device | 21 | Spiral guide vane |
| 100 | Air guide structure | 22 | Rotating shaft |
| 1 | Shell body | 200 | Wind wheel |
| 11 | Air outlet | 300 | Driving motor |
| 12 | Air inlet | 400 | Flow guiding structure |
| 2 | Spiral guide vane structure |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only 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 invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The existing air outlet device has various types, taking a tower fan product as an example, and the existing tower fan is taken as a fan electrical appliance, and has the advantages of small volume, up-down air supply, low noise and the like, thus being popular in the market. The existing tower fan designs the aviation baffle structure in the air-out grid, and the air current forms perpendicular efflux flow field through the runner constraint between the aviation baffle, leads to the tower fan out mouth air current to blow perpendicularly to user's face, and the sense of blowing is strong, leads to the uncomfortable problem of blowing to appear in user's the use.
In view of the above, the present invention provides an air guiding structure and an air supplying device. Fig. 1 to 5 are specific embodiments of an air guiding structure provided by the present invention; fig. 6 is a schematic diagram of an embodiment of an air supply device according to the present invention.
Referring to fig. 1 to 3, the air guiding structure 100 includes a housing 1 and a helical vane structure 2, wherein the housing 1 is formed with an air outlet 11; the helical vane structure 2 comprises helical vanes 21 extending helically in a first direction F1, the helical vanes 21 being rotatably mounted at the air outlet 11 along an axis extending in the first direction F1 for forming a helical air flow at the air outlet 11.
In the technical scheme of the invention, the spiral guide vane 21 is rotatably arranged at the air outlet 11 of the shell 1 along the axis extending in the first direction F1, and when air flow is blown out from the air outlet 11, pressure difference is formed at two sides of the spiral guide vane 21, so that the spiral guide vane 21 is driven to rotate, a driving mechanism is prevented from being added, the structure of the air guide structure 100 is simplified, and the cost is reduced; meanwhile, the spiral air flow can be formed at the air outlet 11 through the rotation of the spiral guide vane 21, so that a spiral air supply mode is realized, the air supply direction can be changed, the problems of strong sense of vertical air supply and air supply in the prior art are solved, and the comfort level of users is improved; furthermore, the spiral guide vane 21 can reduce the air outlet resistance, thereby improving the air speed of the air outlet 11, further reducing the rotating speed and the power of the motor and solving the problems of the motor cost and the temperature rise.
Specifically, the spiral vane structure 2 further includes a rotating shaft 22, and the rotating shaft 22 is rotatably installed at the air outlet 11 along the first direction F1; wherein the spiral guide vane 21 is spirally wound on the circumferential side of the rotating shaft 22 along the axis of the rotating shaft 22; the spiral guide vane 21 is rotatably installed at the air outlet 11 through the rotating shaft 22, so that the spiral guide vane 21 is stably installed, and the spiral guide vane 21 can smoothly rotate.
More specifically, a bearing is provided between at least one end of the rotating shaft 22 and the housing 1; by arranging the bearing, the stability of the rotating shaft 22 can be improved, the friction force between the rotating shaft 22 and the shell 1 can be reduced, the abrasion of the rotating shaft 22 is avoided, and the service life of the rotating shaft 22 is prolonged.
The present invention does not limit the specific number of the spiral guide vanes 21, specifically, in this example, a plurality of spiral guide vanes 21 are provided, a plurality of spiral guide vanes 21 are arranged at intervals on the peripheral side of the rotating shaft 22, and the central included angle corresponding to two adjacent spiral guide vanes 21 is α, where α=360°/N, where the number of spiral guide vanes 21 is N, and N is equal to or greater than 2; through set up a plurality of on pivot 22 screw guide vane 21, and a plurality of screw guide vane 21 even interval sets up for each screw guide vane 21 atress is even, and then makes pivot 22 can stably drive a plurality of screw guide vane 21 rotates, further improves screw guide vane structure 2's stability.
More specifically, in this embodiment, two spiral guide vanes 21 are disposed at intervals on the circumferential side of the rotating shaft 22, and the center included angle corresponding to the two spiral guide vanes 21 is 180 °, that is, the phase difference between the two spiral guide vanes 21 is 180 °, when the air flows out from the air outlet 11, the two opposite sides of the two spiral guide vanes 21 form a pressure difference, so that the rotating shaft 22 is driven to drive the spiral guide vanes 21 to rotate, and spiral air supply is realized.
It should be noted that, in this embodiment, the three-dimensional curve of the helical guide vane 21 is a conventional curve, that is, the helical guide vane 21 is generated along a space spline curve, where the curve is derived from the formula: x=a×cost, y=a× sint, z=t×t; wherein, the amplitude a=0.01h, the period t=0.02h, t=0 to H, H is the length of the helical guide vane 21 in the first direction F1; in this way, the model generation step and the processing process of the helical guide vane 21 are simplified.
Referring to fig. 4 to 5, two spiral guide vanes 21 are provided, the two spiral guide vanes 21 are spaced apart from each other and arranged on the circumferential side of the rotating shaft 22, and an air outlet is formed between the two spiral guide vanes 21; the at least two spiral guide vane structures 2 are arranged, the two air outlet holes are opposite to each other to enable the air guide structure 100 to have a central air supply mode, and the two air outlet holes are opposite to each other to enable the air guide structure 100 to have a distributed air supply mode; that is, in this embodiment, at least two spiral guide vane structures 2 are provided, and when the air outlets on two adjacent spiral guide vane structures 2 are opposite to each other, referring to fig. 4, air flow is blown out from the middle of the air outlet 11, so as to form the central air supply mode; when the air outlets on two adjacent spiral guide vane structures 2 are opposite to each other for air outlet, referring to fig. 5, air flows are diffused outwards from the air outlets 11 to form the scattered air supply mode; therefore, the air supply direction can be periodically changed along with the rotation of the rotating shaft 22, and the experience of the user is further improved.
In the present invention, the length direction of the air outlet 11 is the first direction F1, and the width direction of the air outlet 11 is the second direction F2.
The invention is not limited to a specific number of the helical guide vane structures 2, and in some embodiments, one helical guide vane structure 2 may be provided; in this embodiment, a plurality of the spiral vane structures 2 are provided, and a plurality of the spiral vane structures 2 are provided at intervals in the second direction F2; by arranging a plurality of spiral guide vane structures 2, the air flow is easier to form spiral air flow when flowing through the air outlet 11, and the spiral air supply effect is improved.
Specifically, in the present embodiment, the number of the spiral vane structures 2 is n, and n is 2.ltoreq.n.ltoreq.4; considering the actual application scene and the actual production product specification, although the more the spiral guide vane structures 2 are arranged, the better the spiral air supply effect is, but the more the number of the spiral guide vane structures 2 is, the larger the volume of the shell 1 is, so that the volume of the air supply structure can be greatly increased, and the volume and the production cost of the actual product are further increased, therefore, the n is more than or equal to 2 and less than or equal to 4, and the spiral air supply effect is enhanced to the greatest extent on the premise that the original structure and specification of the existing actual product are not changed.
It should be noted that, taking a tower fan as an example, the pneumatic performance and noise of the whole tower fan adopting the spiral guide vane structure 2 are tested according to national standards, and the test results are shown in table 1. At the same rotating speed, the outlet wind speed of the existing tower fan is 6.5m/s, the noise sound power is 58.3dB, the outlet wind speed of the tower fan adopting the spiral guide vane structure 2 reaches 7.1m/s, the noise sound power is 57.5dB, that is, the wind speed of the air outlet of the tower fan is improved by 9% by the spiral guide vane structure 2, and the noise is reduced by 0.8dB; so, not only can realize big amount of wind air supply, still reduced the noise, further promoted user experience.
Further, in the case that the outlet wind speed is the same, for example, the outlet wind speed is set to 6.5m/s, the rotation speed of the driving motor of the tower fan adopting the spiral guide vane structure 2 can be reduced by 105rpm; because the spiral guide vane structure 2 is arranged at the air outlet, the spiral guide vane 21 can automatically rotate under the action of pressure difference generated by air flow, so that a driving motor of a tower fan does not need to do work on the spiral guide vane 21, the power of the motor can be effectively reduced, and the temperature rise problem can be solved.
The present invention further provides an air outlet device 1000, where the air outlet device 1000 includes an air guiding structure, and the air guiding structure is set as the air guiding structure 100 described above, that is, the air outlet device 1000 includes all technical features in all embodiments of the air guiding structure 100 described above, that is, all the beneficial effects brought by all the embodiments described above are provided, and will not be described in detail herein.
Specifically, referring to fig. 6, the housing 1 is further formed with an air inlet 12 and an air flow channel between the air inlet 12 and the air outlet 11, in which a wind wheel 200 is disposed to guide the air flow to be introduced from the air inlet 12 and blown out from the air outlet 11; by arranging the wind wheel 200 in the airflow channel, when the wind wheel 200 applies work to the air, the air flow is guided from the air inlet 12 and blown out from the air outlet 11, the spiral guide vane 21 at the outlet is driven to rotate, so that spiral air flow is formed at the air outlet 11, and spiral air supply is realized.
Specifically, the wind wheel 200 includes a cross-flow wind wheel, which is disposed along the first direction F1 and rotatably installed in the airflow channel along the axial direction thereof; the cross flow wind wheel is called as a cross flow wind wheel 200, and the impeller of the cross flow wind wheel is multi-blade and long cylindrical and has forward multi-wing blades. When the impeller rotates, air flow enters the blade grating from the opening position of the impeller, passes through the inside of the impeller, and is discharged into the volute from the blade grating on the other side to form working air flow; the axial length of the cross flow wind wheel is not limited, and the length of the impeller can be arbitrarily selected according to different use requirements; because the sizes of the air outlets 11 of the air outlet devices 1000 with different specifications are different, the cross flow wind wheel can select a proper impeller according to the length of the air outlet 11, so that the practicability of the wind wheel 200 is improved; meanwhile, when the air flow passes through the impeller, the air flow is acted by the action of the blades twice, so that the air flow can reach a long distance, the air supply distance of the air outlet device 1000 is long, and the air outlet device can adapt to various application environments; furthermore, the cross flow wind wheel has no turbulence and uniform air outlet, so that the stability of air supply of the air outlet device 1000 is further improved, and the user experience is further improved.
In this embodiment, the rotation shaft of the wind wheel 200 extends out of the airflow channel to form a connection part; the air outlet device 1000 further comprises a driving motor 300, and the driving motor 300 is in driving connection with the connecting part; the wind wheel 200 is driven to rotate by the driving motor 300, so as to apply work to the air, guide the air flow to be led in from the air inlet 12, and when the air is blown out from the air outlet 11, the spiral guide vane 21 at the outlet is driven to rotate, so that spiral air flow is formed at the air outlet 11, and spiral air supply is realized.
Specifically, the wind wheel 200 includes a cross-flow wind wheel, which includes a cross-flow shaft and an impeller, and the impeller includes two hubs and a plurality of blades; the through-flow rotary shaft is arranged along the first direction F1 and is rotatably arranged in the airflow channel along the axis of the through-flow rotary shaft; the two hubs are arranged on the through-flow rotary shaft and are arranged at intervals in the first direction F1; the blades extend along the first direction F1 and are arranged between the two hubs, and the blades are arranged at intervals along the axial direction of the hubs; wherein the connecting part comprises the through-flow rotary shaft; the driving motor 300 is in driving connection with the through-flow rotary shaft; when running, the air flow passes through the impeller and is acted by the force of the blades twice, so that the air flow can reach a long distance, the air supply distance of the air outlet device 1000 is long, and the air outlet device can adapt to various application environments.
Specifically, a flow guiding structure 400 is further disposed in the airflow channel, and by disposing the flow guiding structure 400, the airflow can smoothly flow from the air inlet 12 to the air outlet 11.
More specifically, in the present embodiment, the air flow passage has a first inner wall and a second inner wall disposed opposite to each other in the second direction F2, wherein:
In the present invention, the flow guiding structure 400 includes a first arc-shaped flow guiding portion formed on the first inner wall and at least at the position of the air outlet 11, where the first arc-shaped flow guiding portion is used for guiding the air flow at the air outlet 11; by providing the arc-shaped flow guiding part, the air flow is easier to blow out from the air outlet 11.
In the present invention, the flow guiding structure 400 includes a flow blocking portion formed on the second inner wall and located at the position of the air outlet 11, where the flow blocking portion is used for preventing the air flow at the air outlet 11 from flowing back; it should be noted that, in some smaller air outlet devices 1000, due to the limitation of the original structure of the product, the distance between the air inlet 12 and the air outlet 11 is very short, that is, the air flow channel is relatively short, and during the operation, the air flow at the air outlet 11 is very easy to be brought back into the air flow channel by the wind wheel 200, so that the air volume of the air outlet 11 is reduced; by providing the choke part at the air outlet 11, the backflow of the air flow is prevented, and the air quantity of the air outlet 11 is increased.
It should be noted that the above two technical features may be alternatively or simultaneously provided, and specifically, in this embodiment, the above two technical features are simultaneously provided, that is, the flow guiding structure 400 includes a first arc-shaped flow guiding portion and a flow blocking portion, where the first arc-shaped flow guiding portion is disposed on the first inner wall and is at least located at the position of the air outlet 11, and the flow blocking portion is disposed on the second inner wall and is located at the position of the air outlet 11; the air flow is easier to blow out from the air outlet 11 through the arc-shaped flow guiding part; and the flow blocking part prevents the air flow from flowing back, so that the air quantity of the air outlet 11 is greatly improved.
Specifically, in this embodiment, a second arc-shaped flow guiding portion is further formed on the first inner wall, and the second arc-shaped flow guiding portion is in smooth transition connection with the first arc-shaped flow guiding portion; wherein, at least part of the second arc-shaped flow guiding part is matched with the shape of the outer side wall of the cross flow wind wheel; by providing the second arcuate flow guide portion, the airflow formed at the air inlet 12 is made to flow into the airflow passage more easily.
Specifically, in the rotation direction of the cross flow wind wheel, the flow blocking part comprises a protrusion which is arranged on the second inner wall and protrudes towards the cross flow wind wheel; by arranging the protrusions, the air flow flowing back from the air outlet 11 can be intercepted, and the air quantity of the air outlet 11 is increased.
The specific form of the air outlet device 1000 is not limited in the present invention, and may be a tower fan, a warm air fan, or an air conditioner, that is, all devices having an air supply function are included in the present invention.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (11)
1. An air guiding structure, characterized by comprising:
The shell is provided with an air outlet, the length direction of the air outlet is a first direction, and the width direction of the air outlet is a second direction; and
The spiral guide vane structure comprises a spiral guide vane extending spirally along a first direction, and the spiral guide vane can be rotatably installed at the air outlet along an axis extending along the first direction so as to form spiral air flow at the air outlet and enable the air flow to be blown out from inside to outside along the depth direction of the air outlet.
2. The air guiding structure of claim 1, wherein the helical vane structure further comprises a shaft rotatably mounted at the air outlet in the first direction;
the spiral guide vane is spirally wound on the periphery of the rotating shaft along the axis of the rotating shaft.
3. The air guiding structure according to claim 2, wherein a bearing is provided between at least one end of the rotating shaft and the housing.
4. The wind guiding structure according to claim 2, wherein a plurality of spiral guide vanes are provided, the plurality of spiral guide vanes are arranged at intervals on the periphery of the rotating shaft, and the central included angle corresponding to two adjacent spiral guide vanes is α, and α=360°/N, wherein the number of the spiral guide vanes is N, and n+.2.
5. The wind guiding structure according to claim 2, wherein two spiral guide vanes are arranged, the two spiral guide vanes are arranged at intervals on the periphery side of the rotating shaft, and an air outlet flow channel is formed between the two spiral guide vanes;
The spiral guide vane structure is provided with at least two air outlet channels which are mutually close along the air outlet direction to form a contracted flow channel, so that the air guide structure is provided with a central air supply mode, and the two air outlet channels are mutually far away along the air outlet direction to form an expanded flow channel, so that the air guide structure is provided with a dispersed air supply mode.
6. The air guiding structure of claim 1, wherein a plurality of the spiral vane structures are provided, the plurality of the spiral vane structures being spaced apart in a second direction.
7. An air outlet device, characterized by comprising an air guiding structure according to any one of claims 1 to 6.
8. The air outlet device according to claim 7, wherein an air inlet and an air flow channel between the air inlet and the air outlet are further formed on the housing, and a wind wheel is arranged in the air flow channel to guide air flow to be led in from the air inlet and blown out from the air outlet.
9. The air outlet device of claim 8, wherein the wind wheel comprises a cross flow wind wheel disposed along the first direction and mounted in the airflow channel along an axial direction thereof.
10. The air outlet device according to claim 8, wherein the rotation shaft of the wind wheel extends out of the airflow channel to form a connection portion;
the air outlet device further comprises a driving motor, and the driving motor is in driving connection with the connecting part.
11. The air outlet device of claim 7, wherein the air outlet device comprises one of a tower fan, a warm fan, and an air conditioner.
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| CN202111683216.9A CN114294266B (en) | 2021-12-31 | 2021-12-31 | Air guide structure and air outlet device |
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| CN202111683216.9A CN114294266B (en) | 2021-12-31 | 2021-12-31 | Air guide structure and air outlet device |
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| CN114294266A CN114294266A (en) | 2022-04-08 |
| CN114294266B true CN114294266B (en) | 2024-05-28 |
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