CN114458641A - Air outlet device - Google Patents
Air outlet device Download PDFInfo
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- CN114458641A CN114458641A CN202210164883.4A CN202210164883A CN114458641A CN 114458641 A CN114458641 A CN 114458641A CN 202210164883 A CN202210164883 A CN 202210164883A CN 114458641 A CN114458641 A CN 114458641A
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- reposition
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- 230000000694 effects Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 230000035807 sensation Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The air outlet device provided by the invention comprises: the air inlet assembly comprises an air inlet cavity provided with an air inlet and an air outlet and a power assembly; the air outlet piece is communicated with the air outlet of the air inlet cavity and is provided with a plurality of air outlets; the reposition of redundant personnel structure is used in the air exit along the downstream side of gas flow, including windward end and a plurality of reposition of redundant personnel wall, and the windward end sets up towards the air exit, and the reposition of redundant personnel wall sets up in windward end week side to correspond the air outlet setting, reposition of redundant personnel structure along the direction of keeping away from the air exit, its radial cross-section's external diameter crescent is suitable for the air current reposition of redundant personnel to first air outlet and second air outlet with air inlet chamber flow direction air-out spare. Through set up the reposition of redundant personnel structure at the air exit along the downstream side that gas flows, realize the water conservancy diversion and loose wind to through the reposition of redundant personnel structure of external diameter crescent, improve the guide effect to the air current, avoid the air current direct impact to the choke position between different air outlets, improve the homogeneity of reposition of redundant personnel.
Description
Technical Field
The invention relates to the technical field of fans, in particular to an air outlet device.
Background
At present, various fans exist in the market and can be selected by consumers, wherein the bladeless fan is deeply used by the majority of users due to the advantages of safety, easiness in cleaning, attractiveness and the like.
However, in the existing bladeless fan, the joint between the pneumatic system and the air outlet duct is not in shunting transition, so that the air outlet speed at different air outlet positions of the air duct is uneven, the comfort degree of the air flow blowing to a user is affected, meanwhile, the noise at the air outlet position is increased due to uneven air speed, and the user experience is further affected.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the wind speed at different wind outlet positions of the wind outlet device is not uniform in the wind outlet process in the prior art, so that the use experience is influenced, and thus the wind outlet device is provided.
The invention provides an air outlet device, comprising:
the air inlet assembly comprises an air inlet cavity provided with an air inlet and an air outlet, and a power assembly;
the air outlet piece is communicated with the air outlet of the air inlet cavity and is provided with a plurality of air outlets;
the reposition of redundant personnel structure is used in the air exit is along the downstream side of gas flow, including windward end and a plurality of reposition of redundant personnel wall, the windward end orientation the air exit sets up, the reposition of redundant personnel wall sets up windward end week side, and correspond the air outlet sets up reposition of redundant personnel structure is along keeping away from its radial cross-section's of direction external diameter crescent of air exit is suitable for with the air inlet chamber flow direction the air current reposition of redundant personnel to each of air-out piece the air outlet.
The windward end is arranged in an arc shape, and the outer diameters of radial sections of the windward end and the end part opposite to the shunting wall are arranged in equal length.
The air outlet piece includes a plurality of air-out passageways, one side correspondence of air-out passageway is provided with the air outlet, the opposite side is provided with the influent stream mouth, the reposition of redundant personnel structure sets up the air exit center, and with each the influent stream mouth equidistance on the air-out passageway sets up, each the reposition of redundant personnel wall is isometric setting along axial cross-sectional length, and respectively towards each the influent stream mouth direction is extended.
And defining the distance from the windward end to the top point of the air outlet to the end surface of the flow dividing wall far away from the air outlet as H, defining the diameter length of the end surface of the flow dividing wall far away from the air outlet as L, wherein H/L is more than or equal to 0.5.
And defining the corresponding central angle between the flow dividing walls on the axial section of the flow dividing structure, wherein the theta is less than or equal to 90 degrees.
The windward end and the air outlet are arranged at intervals, and the distance is S.
S≤100mm。
The outer wall of the shunting wall is arranged in a smooth inclined plane.
The end part of the flow dividing wall, which is far away from the windward end, is connected with the inflow opening.
The reposition of redundant personnel structure with air-out piece integrated into one piece sets up, or, the reposition of redundant personnel structure with air-out piece detachably connects the setting.
The air outlet part is arranged on the upper side of the air inlet component.
The air outlet device is a bladeless fan.
The technical scheme of the invention has the following advantages:
1. the air outlet device provided by the invention comprises: the air inlet assembly comprises an air inlet cavity provided with an air inlet and an air outlet, and a power assembly; the air outlet piece is communicated with the air outlet of the air inlet cavity and is provided with a plurality of air outlets; the reposition of redundant personnel structure is used in the air exit is along the downstream side of gas flow, including windward end and a plurality of reposition of redundant personnel wall, the windward end orientation the air exit sets up, the reposition of redundant personnel wall sets up windward end week side, and correspond the air outlet sets up, reposition of redundant personnel structure is along keeping away from the direction of air exit, its radial cross-section's external diameter crescent is suitable for with the air inlet chamber flow direction the air current of air-out piece shunts to each the air outlet.
Set up the reposition of redundant personnel structure through the downstream side along gas flow at the air exit, through the reposition of redundant personnel wall that corresponds each air outlet setting on the reposition of redundant personnel structure, can be with concentrated air current, dispersion to each air outlet position department, realize water conservancy diversion and scattered wind, and through the reposition of redundant personnel structure of external diameter crescent, improve the direction effect to the air current, avoid the air current direct impact to the choke position between different air outlets, reduce the influence to the air current wind speed of reposition of redundant personnel in-process, improve the homogeneity of reposition of redundant personnel, set up like this, the wind speed of air-out device is uneven in the different air outlet position departments of air-out in-process among the prior art has effectively been overcome, influence and use the defect of experience.
2. According to the air outlet device provided by the invention, the windward end is arranged in an arc shape, and the outer diameters of the radial sections of the windward end and the end part opposite to the flow dividing wall are arranged in equal length.
Through setting up the windward end into the arc, simultaneously with windward end and reposition of redundant personnel wall hookup location external diameter equal, the hookup location department level and smooth setting of two structures promptly, the reposition of redundant personnel wall is the face-like setting simultaneously, and at windward end department and two structure hookup location departments, reduced the effect of hindering the wind to the water conservancy diversion effect of reposition of redundant personnel wall has been improved, the homogeneity of reposition of redundant personnel in-process has further been guaranteed.
3. The air outlet device provided by the invention is characterized in that the air outlet piece comprises a plurality of air outlet channels, one side of each air outlet channel is correspondingly provided with the air outlet, the other side of each air outlet channel is provided with the air inlet, the flow dividing structure is arranged in the center of the air outlet and is arranged at equal intervals with the air inlets on the air outlet channels, and the flow dividing walls are arranged at equal length along the axial section and extend towards the direction of the air inlets respectively.
The shunting structure is arranged at the center of the air outlet and is arranged at the same distance with the air outlets of the air outlet channels, and the shunting walls are arranged to be equal in length, so that the shunting structure can effectively equally divide the air flow at the position of the air outlet, and the equally divided air flow is respectively guided to the air outlet channels through the equal-length flow guide walls, thereby further ensuring the air speed uniformity of the air outlet device at different air outlet positions in the air outlet process.
4. The air outlet device provided by the invention is defined in the position from the windward end to the top point of the air outlet, the distance from the end surface of the flow dividing wall far away from the air outlet is H, the diameter length of the end surface of the flow dividing wall far away from the air outlet is defined as L, and H/L is more than or equal to 0.5.
Through the reposition of redundant personnel structure that sets up the taper to through the proportion of control reposition of redundant personnel structure's height and end length, can further balance the reposition of redundant personnel and the choked flow effect to the air current, improve user and use experience, through the experiment, when H/L is greater than or equal to 0.5, reposition of redundant personnel wall and windward side are lower in the choked flow effect of air current, and the reposition of redundant personnel effect influence to the air current is less.
5. According to the air outlet device provided by the invention, on the axial section of the shunting structure, the corresponding central angle between the shunting walls is defined as theta, and the theta is less than or equal to 90 degrees.
Through setting up the central angle that corresponds between the reposition of redundant personnel wall on the reposition of redundant personnel structure and being less than 90 for theta, set up like this, when guaranteeing the reposition of redundant personnel effect to the air current, restricted the increase of central angle, and then restricted each reposition of redundant personnel wall towards the increase of air exit direction choked flow area, reduced the choked flow effect, guaranteed the balance of reposition of redundant personnel structure between reposition of redundant personnel and choked flow effect.
6. The S of the air outlet device provided by the invention is less than or equal to 100 mm.
Through the restriction to windward end and air exit interval distance, on the one hand, reduced the interval that the air current flows to inflow opening position department through reposition of redundant personnel structure, shortened air current route and reduced the energy loss of air current in the transmission course, improve the air supply distance and the wind sense of air-out device, on the other hand, there is a small amount of intervals, when the installation sets up reposition of redundant personnel structure, reduces the impact of air current to the structure to guarantee that reposition of redundant personnel in-process air current flow space is abundant, reduce the air current noise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of an internal structure of an air outlet device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the air outlet device shown in fig. 1;
fig. 3 is an enlarged schematic view of a part of the structure of the air outlet device shown in fig. 1;
FIG. 4 is a schematic diagram showing the variation of the functional relationship between the H/L distance ratio and the wind speed at the wind outlet of the wind outlet device shown in FIG. 1;
FIG. 5 is a schematic diagram showing a functional relationship change between a distance S between a windward end and an air outlet and an air speed at the air outlet in the air outlet device shown in FIG. 1;
fig. 6 is a schematic diagram showing a functional relationship change between a distance between a windward end and an air outlet and a wind speed at an air outlet of each of the inclined-plane-shaped diverging wall and the streamline-shaped diverging wall in the air outlet device shown in fig. 1;
description of reference numerals:
1-an air inlet cavity; 11-an air inlet; 12-an air outlet; 2-a power assembly; 3-an air outlet channel; 31-air outlet; 32-an inlet; 4-a flow splitting structure; 41-windward end; 42-dividing wall.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 6, this embodiment provides an air outlet device, specifically a bladeless fan, or other electric fans, air conditioners, or air coolers, including: air inlet subassembly, air-out spare and reposition of redundant personnel structure 4.
The air inlet assembly comprises an air inlet cavity 1 and a power assembly 2, in the embodiment, the air inlet cavity 1 is arranged at the lower side of the air outlet member, the air inlet cavity 1 is provided with an air inlet 11 and an air outlet 12, the air inlet 11 is arranged at two sides of the air inlet cavity 1, the air outlet 12 is arranged at the upper side of the air inlet cavity 1, the power assembly 2 comprises a motor and a wind wheel which are arranged in the air inlet cavity 1, and can suck airflow into the air inlet cavity 1 from the outside and convey the airflow into the air outlet member from the air outlet 12, and as a changeable implementation mode, the power assembly 2 can also be arranged on the air outlet member or hung outside the air inlet cavity 1;
the air-out piece is the cylindric setting, also can be the annular setting, and air-out piece includes the air-out passageway 3 that two intervals set up in this embodiment, and 3 downside of air-out passageway still are provided with accommodation space for set up reposition of redundant personnel structure 4, air-out passageway 3 and the setting of air exit 12 intercommunication of air inlet chamber 1, and its one side of keeping away from air-out passageway 3 is provided with the air outlet 31 of adjacent setting, and as the convertible embodiment, air-out passageway 3 can set up many.
The shunting structure 4 is arranged in a taper shape in the embodiment, acts on the downstream side of the air outlet 12 along the air flow, and comprises a windward end 41 and a plurality of shunting walls 42, wherein the windward end 41 is arranged towards the air outlet 12, the shunting walls 42 are arranged on the periphery of the windward end 41 and correspond to the air outlet 31, the shunting structure 4 is arranged along the direction far away from the air outlet 12, the outer diameter of the radial section of the shunting structure is gradually increased, and the shunting structure is suitable for shunting the air flow flowing to the air outlet part from the air inlet cavity 1 to each air outlet 31.
Set up reposition of redundant personnel structure 4 through the downstream side along the gas flow at air exit 12, through the reposition of redundant personnel wall 42 that corresponds each air outlet 31 setting on the reposition of redundant personnel structure 4, can be with concentrated air current, dispersion to each air outlet 31 position department, realize water conservancy diversion and scattered wind, and through the gradually increasing reposition of redundant personnel structure 4 of external diameter, improve the guide effect to the air current, avoid the air current direct impact to the choke position between different air outlets 31, reduce the influence to the air current wind speed of reposition of redundant personnel in-process, improve the homogeneity of reposition of redundant personnel, thus the setting, the air outlet device is in the air-out in-process different air outlet 31 position wind speed inequality among the prior art, influence the defect of using experience.
The windward end 41 is arranged in an arc shape, and the radial cross-sectional outer diameters of the end parts of the windward end 41 opposite to the diversion wall 42 are arranged in equal length.
Through setting up windward end 41 to the arc, simultaneously equal windward end 41 and reposition of redundant personnel wall 42 hookup location department external diameter, the hookup location department level and smooth setting of two structures promptly, simultaneously in this embodiment, reposition of redundant personnel wall 42 is continuous inclined plane form setting, and the outer wall is smooth, and windward end 41 department and two structural connection position departments have reduced the effect of holding up the wind to the water conservancy diversion effect of reposition of redundant personnel wall 42 has been improved, the homogeneity of reposition of redundant personnel in-process has further been guaranteed.
As an alternative embodiment, the windward end 41 may be configured as a flat end or a pointed end, and the diversion wall 42 may be configured as a concave arc, a convex arc, a step, and the like.
The air outlet piece comprises two air outlet channels 3, in this embodiment, the two air outlet channels 3 are arranged in equal length, the lower sides of the air outlet channels 3 are correspondingly provided with air outlets 31, the other sides of the air outlet channels are provided with air inlets 32, the sizes of the air outlets 31 and the air inlets 32 on the two air outlet channels 3 are equally divided and respectively equal, the distance between the air outlets is equal, furthermore, the flow dividing structure 4 is arranged in the center of the air outlet 12 and is arranged at equal intervals with the air inlets 32 on the air outlet channels 3, and each flow dividing wall 42 is arranged in equal length along the length of the axial section and extends towards the direction of each air inlet 32.
Set up reposition of redundant personnel structure 4 in air exit 12 center to set up with the air outlet 31 equidistance of each air-out passageway 3, and set up reposition of redundant personnel wall 42 to isometric, set up like this, make reposition of redundant personnel structure 4 can realize effectively equally dividing with the air current of air exit 12 position department, and lead to each air-out passageway 3 respectively with the air current of equalling through isometric water conservancy diversion wall, further guarantee the wind speed homogeneity of air-out device in air-out in-process different air outlet 31 positions department.
As an alternative embodiment, the outlet channel 3 may not be provided, and only the outlet port 31 may be left.
In the present embodiment, as shown in fig. 4, the distance from the top position of the windward end 41 toward the exhaust outlet 12 to the end surface of the flow dividing wall 42 away from the exhaust outlet 12 is defined as H, the diameter length of the end surface of the flow dividing wall 42 away from the exhaust outlet 12 is defined as L, H/L ≧ 0.5, and as a preferred embodiment, H/L is 0.9, and in this state of the optimal ratio, the wind speed at the outlet 31 is about 11.6 m/s.
Through the reposition of redundant personnel structure 4 that sets up the taper to through the proportion of control reposition of redundant personnel structure 4's height and end length, can further balance the reposition of redundant personnel and the choked flow effect to the air current, improve user and use experience, through the experiment, when H/L is greater than or equal to 0.5, reposition of redundant personnel wall 42 and windward end 41 are lower to the choked flow effect of air current, and the reposition of redundant personnel effect influence to the air current is less.
Further, on the axial section of the flow dividing structure 4, the central angle corresponding to the flow dividing walls 42 is defined as θ, and θ is less than or equal to 90 °. As a preferred embodiment, θ is 45 °. Through setting up the central angle that corresponds between reposition of redundant personnel wall 42 on reposition of redundant personnel structure 4 and be less than 90 for theta, set up like this, when guaranteeing the reposition of redundant personnel effect to the air current, restricted the increase of central angle, and then restricted each reposition of redundant personnel wall 42 towards the increase of exhaust exit 12 direction choked flow area, reduced the choked flow effect, guaranteed the balance of reposition of redundant personnel structure 4 between reposition of redundant personnel and choked flow effect.
As shown in FIG. 5, the windward end 41 and the air outlet 12 are spaced at an interval S, wherein S is less than or equal to 100 mm. In a preferred embodiment, S is 40 mm. Through the restriction to windward end 41 and exhaust outlet 12 interval distance, on the one hand, reduced the interval that the air current flows to inflow 32 position department through reposition of redundant personnel structure 4, shorten the energy loss of air current route reduction air current in the transmission process, improve air-out device's air supply distance and wind sense, on the other hand, there is a small amount of intervals, when the installation sets up reposition of redundant personnel structure 4, reduce the impact of air current to the structure, and guarantee that reposition of redundant personnel in-process air current flow space is abundant, reduce the air current noise.
In this embodiment, the air outlet device (curved channel) with the flow dividing structure is compared with the air outlet device (straight channel) without the flow dividing structure in the prior art, and the experimental results are shown in the following table: .
| Air quantity | Monitoring surface outlet V Max | Pressure difference between inlet and outlet | Average wind speed of monitoring surface | |
| Straight channel | 140 | 11.62 | 65 | 9.35 |
| Elbow force-pushing device | 140 | 10.76 | 70 | 9.44 |
In addition, the air outlet device with the flow dividing structure having the smooth inclined surface-shaped flow dividing wall is compared with the air outlet device with the flow dividing structure having the streamline-shaped flow dividing wall, as shown in fig. 6.
In the present embodiment, the end of the dividing wall 42 remote from the windward end 41 is connected to the inflow opening 32. The arrangement further shortens the air flow path, reduces the energy loss of the air flow in the transmission process, and improves the air supply distance and the wind sensation of the air outlet device. As an alternative embodiment, the end of the dividing wall 42 remote from the windward end 41 may be spaced from the inflow opening 32.
In this embodiment, the flow dividing structure 4 and the air outlet member are integrally formed, so as to improve the stability of the flow dividing structure 4, and as a changeable implementation manner, the flow dividing structure 4 may be detachably connected to the air outlet member.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (12)
1. The utility model provides an air-out device which characterized in that includes:
the air inlet assembly comprises an air inlet cavity (1) provided with an air inlet (11) and an air outlet (12) and a power assembly (2);
the air outlet piece is communicated with the air outlet (12) of the air inlet cavity (1), and a plurality of air outlets (31) are arranged on the air outlet piece;
reposition of redundant personnel structure (4), the effect is in air exit (12) are along the downstream side of gas flow, including windward end (41) and a plurality of reposition of redundant personnel wall (42), windward end (41) orientation air exit (12) set up, reposition of redundant personnel wall (42) set up windward end (41) week side, and correspond air outlet (31) set up, reposition of redundant personnel structure (4) are along keeping away from the direction of air exit (12), its radial cross-section's external diameter crescent is suitable for with air inlet chamber (1) flow direction the air current of air-out piece shunts to each air outlet (31).
2. The air outlet device of claim 1, wherein the wind-facing end (41) is disposed in an arc shape, and the radial cross-sectional outer diameters of the wind-facing end (41) and the end opposite to the flow dividing wall (42) are disposed in equal length.
3. The air outlet device of claim 2, wherein the air outlet member includes a plurality of air outlet channels (3), one side of each air outlet channel (3) is correspondingly provided with the air outlet (31), the other side of each air outlet channel is provided with an inlet (32), the flow dividing structure (4) is disposed in the center of the air outlet (12) and is disposed at an equal distance from the inlet (32) on each air outlet channel (3), and each flow dividing wall (42) is disposed at an equal length along the axial cross-sectional length and extends toward each inlet (32).
4. The air outlet device of any one of claims 1 to 3, wherein a distance from the windward end (41) to a vertex position of the air outlet (12) to an end surface of the flow dividing wall (42) far away from the air outlet (12) is defined as H, a diameter length of the end surface of the flow dividing wall (42) far away from the air outlet (12) is defined as L, and H/L is greater than or equal to 0.5.
5. An air outlet device according to any one of claims 1-3, characterized in that, in the axial cross section of the flow dividing structure (4), the corresponding central angle between the flow dividing walls (42) is θ, and θ is less than or equal to 90 °.
6. The air outlet device of any one of claims 1 to 3, wherein the windward end (41) is spaced from the air outlet (12) by a distance S.
7. The air outlet device of claim 6, wherein S is less than or equal to 100 mm.
8. The air outlet device of any one of claims 1 to 3, wherein the outer wall of the flow dividing wall (42) is provided with a smooth inclined surface.
9. The air outlet device of claim 4, characterized in that the end of the flow dividing wall (42) far away from the windward end (41) is connected with the inlet (32).
10. The air outlet device of claim 1, wherein the flow dividing structure (4) and the air outlet member are integrally formed, or the flow dividing structure (4) and the air outlet member are detachably connected.
11. The air outlet device of claim 1, wherein the air outlet member is disposed on an upper side of the air inlet assembly.
12. The air outlet device of any one of claims 1 to 3, 7 and 9 to 11, wherein the air outlet device is a bladeless fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210164883.4A CN114458641A (en) | 2022-02-23 | 2022-02-23 | Air outlet device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210164883.4A CN114458641A (en) | 2022-02-23 | 2022-02-23 | Air outlet device |
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| CN114458641A true CN114458641A (en) | 2022-05-10 |
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| CN202210164883.4A Pending CN114458641A (en) | 2022-02-23 | 2022-02-23 | Air outlet device |
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| WO2021164567A1 (en) * | 2020-02-19 | 2021-08-26 | 应辉 | Fan |
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Application publication date: 20220510 |