CN107575406A - Bladeless fan - Google Patents
Bladeless fan Download PDFInfo
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- CN107575406A CN107575406A CN201710922918.5A CN201710922918A CN107575406A CN 107575406 A CN107575406 A CN 107575406A CN 201710922918 A CN201710922918 A CN 201710922918A CN 107575406 A CN107575406 A CN 107575406A
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Abstract
The present invention provides a kind of bladeless fan, including pedestal and air-out part, fan assembly is provided with pedestal, air-out part include with inlet section that pedestal is connected and the annular flow passage above inlet section, also set up the air outlet extended along gas channel on gas channel, gas channel is including being located at first passage and second channel, first passage Longitudinal extending, linearly, be advantageous to reduce the windage inside first passage, improve the air quantity into second channel.The length L of first passage is not less than 250 millimeters, optimizes air exhausting structure.Second channel is in arc-shaped, and air-flow smoothly can flow in second channel.Simultaneously, the line in the center of circle and the angle of sides adjacent first passage of the tie point of first passage and second channel and circular arc where second channel are 85 ° 95 °, enter second channel equivalent to tangential direction of the air-flow along the end of second channel or close to tangential direction, reduce further air-flow from first passage enter second channel when resistance.
Description
Technical field
The present invention relates to household electrical appliance technical field, more specifically to a kind of bladeless fan.
Background technology
At present, it is all the form for having blade fan used that fan is most of, by cutting driving air by the direction specified
Move, form wind-force.And the fan of this form, due to relatively dangerous property, noise is larger the drawbacks of, slowly used
Person is abandoned, and safe and reliable, the less bladeless fan of noise currently on the market slowly start to be welcome by consumer, no leaf
Fan is sprayed using by extracting air, is driven air to carry out injection and is formed air-flow.Existing bladeless fan goes out
There is gas channel annular in shape in wind part, the air outlet extended along gas channel is also set up on gas channel.In the market is common
Air-out part typically in annular shape, for user, be whether seated or stand, its longitudinal size is all greater than lateral dimension
, and the air-flow blown out by the air-out part of annular is in the form of a column, the diameter of air-out part is smaller, then it can only cover user's body
Part, air-out part is relatively large in diameter, then having more air-flow can not blow to user and be wasted in the horizontal, meanwhile,
Machine dimensions are also larger, not only unsightly, and deposit also problematic.In addition, in view of the above-mentioned problems, having occurs in the market
Longitudinal size is more than the bladeless fan of the air-out part of lateral dimension, and still, because longitudinal size becomes big, air outlet is close to air-flow
The air-flow of the air intake of passage is larger, and then air output is smaller for the part air outlet away from air intake, not even air-out, causes wind
Fan the uneven of overall air-out.Meanwhile fan assembly is often arranged at machine bottom, i.e. the air intake of air-out part is located under it
End, and the air-flow of air-out part upper end is often dried above the waist against user, cold and hot sense organ is sensitive, if air output is too small, can give
User brings bad experience.
The content of the invention
To solve the above problems, the invention provides a kind of air output it is big, use comfortable bladeless fan.
To achieve the above object, the present invention provides following technical scheme：
Bladeless fan, including pedestal and the air-out part above pedestal, fan assembly and thereon is provided with the pedestal
Air inlet is set, it is characterised in that the air-out part is included with inlet section that pedestal is connected and above inlet section and with entering
The gas channel that wind portion communicates, the gas channel is annular in shape, and going out along gas channel extension is also set up on the gas channel
Air port, the gas channel include the first passage positioned at both sides and the second channel of connection both sides first passage upper end, institute
First passage Longitudinal extending is stated, linearly, the length L of the first passage is not less than 250 millimeters, and the second channel is in circle
Arcuation, the tie point and the line and sides adjacent first in the center of circle of circular arc where second channel of the first passage and second channel
The angle of passage is 85 ° -95 °.
Further, the both sides first passage is symmetrical arranged, and the distance of its bottom is not less than the distance of upper end,
The angle of the first passage and vertical direction is α 1, then the central angle of circular arc is 180 ° of -2 α 1 where the second channel；Or
Person, the both sides first passage are symmetrical arranged, and the distance of its bottom be not more than upper end distance, the first passage with
The angle of vertical direction is α 2, then the central angle of circular arc is 180 ° of+2 α 2 where the second channel.
Further, the gas channel also include connection both sides first passage bottom third channel, the described 3rd
Passage is in arc-shaped, and the air-flow entered from inlet section is guided to the first passage of both sides respectively.
Further, the both sides first passage is symmetrical arranged, and the distance of its bottom is not less than the distance of upper end,
The angle of the first passage and vertical direction is β 1, then the central angle of circular arc is 180 ° of+2 β 1 where the third channel；Or
Person, the both sides first passage are symmetrical arranged, and the distance of its bottom be not more than upper end distance, the first passage with
The angle of vertical direction is β 2, then the central angle of circular arc is 180 ° of -2 β 2 where the third channel.
Further, the central angle of circular arc where the second channel is 120 ° -240 °.
Further, the spacing of the both sides tie point of the first passage and second channel is W, wherein, 250 millimeters≤L
≤ 400 millimeters, 0.3 ＜ W/L≤0.5；Or the spacing of the both sides tie point of the first passage and second channel is W, its
In, 500 millimeters≤L≤700 millimeter, 0.15≤W/L≤0.3.
Further, the first passage is provided with guide plate at air outlet, the guide plate from air outlet from inside to outside by
Gradually it is inclined upwardly.
Further, the center of the air-out part, which has, mends wind through hole, and the gas channel forms the outer for mending wind through hole,
The air-flow mended on rear side of wind through hole is in the case where the air-flow of air outlet drives to benefit wind through hole front side flow.
Further, the inner side of the gas channel has wind-guiding face, and the wind-guiding face is from rear side of mend wind passage toward benefit wind
Gradually outward-dipping on front side of passage, the air outlet is located on rear side of wind-guiding face.
Further, the lateral separation between the first passage is not more than 160 millimeters.
By foregoing description, gas channel includes the first passage and connection both sides first passage upper end positioned at both sides
The second channel in portion, also, first passage Longitudinal extending, linearly, second channel are in arc-shaped, are advantageous to reduction air-flow and lead to
Windage inside road, improve the air quantity into second channel.The length L of first passage is not less than 250 millimeters, optimizes air-out knot
Structure.Air outlet is respectively provided with first passage and second channel, and because it is located at the upper end of air-out part, from the part air outlet
The air-flow of blowout is often dried above the waist against user, and cold and hot sense organ is sensitive, and still, the part air outlet is away from inlet section, greatly
Second channel can be entered by first passage, easily make from the air outlet blowout on first passage, only a small amount of air-flow by measuring air-flow
It is smaller into the air outlet amount on second channel, not even air-out.In order to reduce the windage inside gas channel, second is improved
The air output of passage, second channel are in arc-shaped, and air-flow smoothly can flow in second channel, meanwhile, first passage and
The line in the center of circle and the angle of sides adjacent first passage of the tie point of second channel and circular arc where second channel be 85 °-
95 °, enter second channel equivalent to tangential direction of the air-flow along the end of second channel or close to tangential direction, further
Reduce air-flow from first passage enter second channel when resistance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the schematic diagram of bladeless fan of the present invention；
Fig. 2 is the schematic diagram near first passage in the present invention；
Fig. 3 is the schematic diagram near third channel in the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
As shown in Figure 1-Figure 3, a kind of bladeless fan, including pedestal 1 and the air-out part 2 above pedestal 1, in pedestal 1
Air inlet 12 is set provided with fan assembly 11 and thereon.Air-out part 2 includes the inlet section 21 being connected with pedestal 1 and positioned at inlet section
21 tops and the gas channel 22 communicated with inlet section 21, gas channel 22 is annular in shape, is also set up on gas channel 22 along air-flow
The air outlet that passage 22 extends, i.e. air outlet are in identical shape with gas channel 22, and air-flow flows in gas channel 22, and
Blown out afterwards from air outlet.Gas channel 22 includes the first passage 221 and connection both sides first passage 221 upper end positioned at both sides
Second channel 222.The Longitudinal extending of first passage 221, linearly, be advantageous to reduce the windage inside first passage 221, carry
Height enters the air quantity of second channel 222.The length L of first passage 221 is not less than 250 millimeters, optimizes air exhausting structure, specifically
Say, with reference to human body stance and sitting posture consider under, the length can cover human body major part area, and if the millis of L ＜ 250
Rice, except being unfavorable for the effect above, while on the premise of the power of fan assembly 11 is certain so that the air-out of first passage 221
Amount diminishes, and accordingly, the air quantity into second channel 222 then becomes big, air-out part cross wind sectional area it is constant in the case of, it is inevitable
Air-flow velocity is improved, and second channel 222 is in the non-linear shape different from first passage 221, higher air-flow velocity can band
Carry out larger wind to make an uproar.
Equally there is air outlet on second channel 222, and because it is located at the upper end of air-out part 2, from the part air-out
The air-flow of mouth blowout is often dried above the waist against user, and cold and hot sense organ is sensitive, and still, the part air outlet is away from inlet section
21, mass air flow can enter second from the air outlet blowout on first passage 221, only a small amount of air-flow by first passage 221
Passage 222, the air outlet amount easily caused on second channel 222 is smaller, not even air-out.In order to reduce gas channel 22
Internal windage, the air output of second channel 222 is improved, second channel 222 is in arc-shaped, and air-flow can be smoothly logical second
Flowed in road 222, and drop low wind noise to greatest extent, and the length L of first passage 221 is not less than 250 millimeters of premise
Under, ensure the enough air quantity of second channel 222.Meanwhile the tie point of first passage and second channel and circle where second channel
The line in the center of circle of arc and the angle of sides adjacent first passage are 85 ° -95 °, equivalent to end of the air-flow along second channel 222
Tangential direction or enter second channel 222 close to tangential direction, reduce further air-flow and enter the from first passage 221
Resistance during two passages 222.In addition, being different from conventional fan air-out, the air-flow of the fan assembly blowout in the present invention is by going out
The air-flow of axial direction is transformed into the air-flow laterally blown out by wind part, and air-out is uniform, gives people comfortably to feel.
Consider for the attractive in appearance and balance of machine center, general both sides first passage 221 is symmetrical arranged, and first is logical
The distance of the bottom of road 221 is not less than the distance of upper end, i.e. first passage 221 gradually tilts to each other from bottom to top.First
The angle of passage 221 and vertical direction is α 1, then the central angle of the place circular arc of second channel 222 is 180 ° of -2 α 1.As another
Kind of embodiment, both sides first passage are symmetrical arranged, and the distance of its bottom is not more than the distance of upper end, first passage with
The angle of vertical direction is α 2, then the central angle of circular arc where second channel is 180 ° of+2 α 2.
Preferably, the central angle of the place circular arc of second channel 222 is 120 ° -240 °, and the central angle is if greater than 240 °, one
Aspect, the path of second channel is longer, is unfavorable for the smooth air-out of air outlet of the part, on the other hand, is closed based on above-mentioned parameter
Connection, the gradient of first passage is larger, influences overall aesthetics, simultaneously so that overall center of gravity is higher；The central angle if less than
120 °, being associated based on above-mentioned parameter, first passage upper end tilts to each other so that second channel lateral dimension is smaller, even if the
Two passages can cross wind with smooth, but air output is still difficult to meet demand.
First passage 221 is provided with guide plate at air outlet, and because air-flow is to flow from bottom to top, guide plate is from air outlet
Gradually it is inclined upwardly from inside to outside, is advantageous to guide air-flow to flow out from air outlet, ensures air output.
In the present embodiment, gas channel 22 also includes the third channel 223 of connection both sides first passage 221 bottom, the
Triple channel 223 is in arc-shaped, and the air-flow entered from inlet section 21 flows axially upward, under the guiding of third channel 223, point
Do not flowed to the first passage 221 of both sides, due to the Mechanical Builds of arc-shaped cause air-flow by when it is more smoothly, avoid the formation of
Larger windage and noise.The angle of first passage 221 and vertical direction is β 1, then the central angle of the place circular arc of third channel 223
For 180 ° of+2 β 1, the further smaller windage of third channel 223 and the transition position of first passage 221.As another embodiment party
Formula, both sides first passage are symmetrical arranged, and the distance of its bottom is not more than the distance of upper end, first passage and vertical direction
Angle be β 2, then the central angle of circular arc where third channel is 180 ° of -2 β 2.
In the present embodiment, the spacing of the both sides tie point of first passage 221 and second channel 222 is W, in order to which air-flow can
Preferably covering user's whole body, preferably, 500 millimeters≤L≤700 millimeter, at the same it is logical in order to take into account first passage 221 and second
The air output of the corresponding air outlet in road 222, blow out the air-flow of comfortable, 0.15≤W/L≤0.3.On the other hand, because first is logical
Air output and air-flow velocity corresponding to road 221 are both greater than second channel 222, and air-flow diffusion effect horizontal after blowout can be obvious
More than the diffusion effect of longitudinal direction, that is to say, that the air-flow of blowout has the form substantially expanded to both sides, and longitudinal direction is then failed to understand
Aobvious, multiple users are when in use or unique user is when walking about, and larger horizontal coverage is necessary, and longitudinal direction
Diffusion effect unobvious then avoid waste.As another embodiment, the both sides tie point of first passage and second channel
Spacing be W, wherein, 250 millimeters≤L≤400 millimeter, 0.3 ＜ W/L≤0.5, air-flow can preferably cover user above the waist
Or the lower part of the body.
The center of air-out part 2, which has, mends wind through hole 23, and gas channel 22 forms the outer for mending wind through hole 23, because gas glues
Property, it can be driven close to the gas flowing for mending the immediate vicinity of wind through hole 23 from the annular flow of air outlet blowout so that mend wind through hole
The air-flow of 23 rear sides, to the front side flow of wind through hole 23 is mended, forms enough air quantity in the case where the air-flow of air outlet drives.Gas channel
22 inner side has wind-guiding face, and wind-guiding face is gradually outward-dipping toward mend wind passage front side from rear side of mend wind passage, and air outlet is located at
On rear side of wind-guiding face, be advantageous to guide air-flow to spread to surrounding, increase wind-engaging scope.Preferably, the transverse direction between first passage 221
Distance is not more than 160 millimeters, wherein, first passage can be inclined or vertical, if first passage is to tilt
, then, above-mentioned restriction refers to that the horizontal minimum range between first passage is not more than 160 millimeters, if first passage 221
Lateral separation is excessive, mends the center Chu Jiangyou subregions of wind through hole 23 and can not mend wind so that air-flow produces in the horizontal not to be connected
It is continuous.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. bladeless fan, including pedestal and the air-out part above pedestal, the pedestal is interior to be provided with fan assembly and sets thereon
Put air inlet, it is characterised in that the air-out part includes with inlet section that pedestal is connected and above inlet section and and air intake
The gas channel that portion communicates, the gas channel is annular in shape, and the air-out extended along gas channel is also set up on the gas channel
Mouthful, the gas channel includes the first passage positioned at both sides and the second channel of connection both sides first passage upper end, described
First passage Longitudinal extending, linearly, the length L of the first passage are not less than 250 millimeters, and the second channel is in circular arc
Shape, the tie point of the first passage and second channel and the line and sides adjacent first in the center of circle of circular arc where second channel are logical
The angle in road is 85 ° -95 °.
2. bladeless fan according to claim 1, it is characterised in that the both sides first passage is symmetrical arranged, and under it
The distance of end is not less than the distance of upper end, and the angle of the first passage and vertical direction is α 1, then the second channel
The central angle of place circular arc is 180 ° of -2 α 1；Or the both sides first passage is symmetrical arranged, and the distance of its bottom is little
Distance in upper end, the angle of the first passage and vertical direction is α 2, then the center of circle of circular arc where the second channel
Angle is 180 ° of+2 α 2.
3. bladeless fan according to claim 1, it is characterised in that it is logical that the gas channel also includes connection both sides first
The third channel of road bottom, the third channel are in arc-shaped, by the air-flow entered from inlet section respectively to the of both sides
One passage guides.
4. bladeless fan according to claim 3, it is characterised in that the both sides first passage is symmetrical arranged, and under it
The distance of end is not less than the distance of upper end, and the angle of the first passage and vertical direction is β 1, then the third channel
The central angle of place circular arc is 180 ° of+2 β 1；Or the both sides first passage is symmetrical arranged, and the distance of its bottom is little
Distance in upper end, the angle of the first passage and vertical direction is β 2, then the center of circle of circular arc where the third channel
Angle is 180 ° of -2 β 2.
5. bladeless fan according to claim 1, it is characterised in that the central angle of circular arc is where the second channel
120°-240°。
6. bladeless fan according to claim 1, it is characterised in that the first passage connects with the both sides of second channel
The spacing of point is W, wherein, 250 millimeters≤L≤400 millimeter, 0.3 ＜ W/L≤0.5；Or the first passage and second leads to
The spacing of the both sides tie point in road is W, wherein, 500 millimeters≤L≤700 millimeter, 0.15≤W/L≤0.3.
7. bladeless fan according to claim 1, it is characterised in that the first passage is provided with guiding at air outlet
Piece, the guide plate are gradually inclined upwardly from inside to outside from air outlet.
8. bladeless fan according to claim 1, it is characterised in that the center of the air-out part, which has, mends wind through hole, institute
State gas channel and form the outer for mending wind through hole, the air-flow mended on rear side of wind through hole is in the case where the air-flow of air outlet drives to benefit wind
Through hole front side flow.
9. bladeless fan according to claim 8, it is characterised in that the inner side of the gas channel has wind-guiding face, institute
It is gradually outward-dipping toward mend wind passage front side from rear side of mend wind passage to state wind-guiding face, the air outlet is located on rear side of wind-guiding face.
10. bladeless fan according to claim 8, it is characterised in that the lateral separation between the first passage is little
In 160 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922918.5A CN107575406A (en) | 2017-09-30 | 2017-09-30 | Bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922918.5A CN107575406A (en) | 2017-09-30 | 2017-09-30 | Bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575406A true CN107575406A (en) | 2018-01-12 |
Family
ID=61040454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710922918.5A Pending CN107575406A (en) | 2017-09-30 | 2017-09-30 | Bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575406A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611364A (en) * | 2018-11-06 | 2019-04-12 | 周泽煜 | A kind of bladeless fan |
| CN113137386A (en) * | 2020-01-19 | 2021-07-20 | 广东美的环境电器制造有限公司 | Air supply device |
| CN113137738A (en) * | 2020-01-19 | 2021-07-20 | 广东美的环境科技有限公司 | Air duct component and air supply device |
| CN114458641A (en) * | 2022-02-23 | 2022-05-10 | 珠海格力电器股份有限公司 | Air outlet device |
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| CN101424278A (en) * | 2007-09-04 | 2009-05-06 | 戴森技术有限公司 | Fan |
| GB2484503A (en) * | 2010-10-13 | 2012-04-18 | Dyson Technology Ltd | A fan assembly comprising a nozzle and means for creating an air flow through the nozzle. |
| CN202250956U (en) * | 2011-08-24 | 2012-05-30 | 泉州瑞森电子有限公司 | Novel bladeless fan |
| CN202280666U (en) * | 2011-10-28 | 2012-06-20 | 周学武 | Bladeless fan |
| US20120308375A1 (en) * | 2009-03-04 | 2012-12-06 | Dyson Technology Limited | Fan assembly |
| CN202732385U (en) * | 2012-06-01 | 2013-02-13 | 张钜标 | Novel bladeless fan |
| CN202811431U (en) * | 2012-05-23 | 2013-03-20 | 蔡炳照 | Non-blade fan |
| CN206290465U (en) * | 2016-12-09 | 2017-06-30 | 美的集团股份有限公司 | Fan head and bladeless fan |
| CN207195255U (en) * | 2017-09-30 | 2018-04-06 | 程凌军 | Bladeless fan |
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| CN101424278A (en) * | 2007-09-04 | 2009-05-06 | 戴森技术有限公司 | Fan |
| US20120308375A1 (en) * | 2009-03-04 | 2012-12-06 | Dyson Technology Limited | Fan assembly |
| GB2484503A (en) * | 2010-10-13 | 2012-04-18 | Dyson Technology Ltd | A fan assembly comprising a nozzle and means for creating an air flow through the nozzle. |
| CN202250956U (en) * | 2011-08-24 | 2012-05-30 | 泉州瑞森电子有限公司 | Novel bladeless fan |
| CN202280666U (en) * | 2011-10-28 | 2012-06-20 | 周学武 | Bladeless fan |
| CN202811431U (en) * | 2012-05-23 | 2013-03-20 | 蔡炳照 | Non-blade fan |
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| CN206290465U (en) * | 2016-12-09 | 2017-06-30 | 美的集团股份有限公司 | Fan head and bladeless fan |
| CN207195255U (en) * | 2017-09-30 | 2018-04-06 | 程凌军 | Bladeless fan |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611364A (en) * | 2018-11-06 | 2019-04-12 | 周泽煜 | A kind of bladeless fan |
| CN113137386A (en) * | 2020-01-19 | 2021-07-20 | 广东美的环境电器制造有限公司 | Air supply device |
| CN113137738A (en) * | 2020-01-19 | 2021-07-20 | 广东美的环境科技有限公司 | Air duct component and air supply device |
| CN113137386B (en) * | 2020-01-19 | 2024-04-05 | 广东美的环境电器制造有限公司 | Air supply device |
| CN114458641A (en) * | 2022-02-23 | 2022-05-10 | 珠海格力电器股份有限公司 | Air outlet device |
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Application publication date: 20180112 |