CN209743121U - Bladeless fan with uniform wind speed - Google Patents
Bladeless fan with uniform wind speed Download PDFInfo
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- CN209743121U CN209743121U CN201920497119.2U CN201920497119U CN209743121U CN 209743121 U CN209743121 U CN 209743121U CN 201920497119 U CN201920497119 U CN 201920497119U CN 209743121 U CN209743121 U CN 209743121U
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- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of fans, in particular to a bladeless fan with uniform wind speed, which comprises a base, a fan shell, a wind wheel cover, a motor, a wind wheel and a wind outlet cover, wherein a cover opening of the wind wheel cover is matched and communicated with the wind outlet cover, the wind outlet cover comprises a front cover, a rear cover, an annular wind gap, a wind cavity and a wind folding plate, a single wind outlet ring is arranged at the inner side of the front cover, a wind blocking sheet is arranged on the single wind outlet ring, the included angle formed by the intersection points of extension lines at two sides of the annular wind gap is 20-40 degrees, the structure of the utility model is reasonable, the wind quantity entering the wind cavity is equally divided by the wind folding plate arranged on the inner wall of the rear cover, partial wind quantity at the bottom of the fan is sent to the upper part through the wind folding plate, a wind cutting angle is additionally arranged, the effect of increasing the wind quantity at the upper end and the lower end of the blad, the compactness of air-out is guaranteed, the air output is optimized to the greatest extent, and the use performance of the bladeless fan is improved.
Description
Technical Field
The utility model relates to a bladeless fan technical field especially relates to an even bladeless fan of wind speed.
Background
at present, the use of bladeless fans has become increasingly popular. The bladeless fan mainly adopts the working principle that air is sucked from an air suction hole at the bottom, the air circulation speed is greatly increased after the air is accelerated by a turbine fan, the air is surrounded in an annular fan head of the bladeless fan, is blown out from a fine air outlet of the annular fan head at a high speed, and carries the air at the rear end of the annular fan head forward to finally form uninterrupted cold air flow. The bladeless fan gets rid of the traditional fan blade structure, is safer and more dustproof in use, and has no fan blades to reduce wind resistance and energy consumption.
The bladeless fan in the prior art rotates through the wind wheel to produce negative pressure, transports the amount of wind to the wind chamber and blows out through the air outlet, but receives the restriction of wind corner cut when the amount of wind gets into the wind chamber, often can lead to the air output uneven from top to bottom, and the bottom air-out is big promptly, and the upper portion air-out is little, and then causes bad conditions such as the air-out effect is poor, whole amount of wind is stable, has reduced bladeless fan's performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the air-out restriction that receives wind corner cut to the bladeless fan among the prior art leads to the uneven shortcoming of air output, provides one kind and can guarantee that the air-out is even, the air output is big, the bladeless fan that the practicality is strong.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
The utility model provides an even bladeless fan of wind speed, includes the base, sets up fan casing on the base, sets up wind wheel cover in fan casing, sets up motor in wind wheel cover, the wind wheel of being connected with the motor cooperation and the play fan housing of being connected with the cooperation of wind wheel cover, the cover mouth of wind wheel cover link up the setting with a play fan housing cooperation, go out the fan housing and include the front shroud, with the rear shroud that the front shroud cooperation is connected, correspond set up annular wind gap on front shroud and rear shroud, form the wind chamber between front shroud and rear shroud and set up the wind board on the rear shroud inner wall, the front shroud inboard is equipped with single wind outlet ring, be equipped with on the single wind outlet ring and separate the wind blocking piece for a plurality of wind gap, the contained angle scope that the nodical formation of annular wind gap both sides extension line is at 20 degrees to 40 degrees.
Preferably, the method comprises the following steps: the height of the wind deflector is set to 2/3 of the depth of the rear cover.
Preferably, the method comprises the following steps: the base is connected with a bottom cover which is connected with the fan shell in a matched mode, and a first air inlet is formed in the bottom cover.
Preferably, the method comprises the following steps: the fan shell is characterized by further comprising a control part, a control panel electrically connected with the control part in a matched mode is arranged at the front end of the fan shell, and second air inlets are evenly distributed at the rear end of the fan shell.
The utility model discloses beneficial effect: the utility model discloses the structure sets up rationally, through the book aerofoil that sets up on the rear cover inner wall to getting into the amount of wind in wind chamber and carry out the partition, send partial amount of wind to the upper portion through a book aerofoil with the amount of wind of fan bottom, add the position of wind corner cut, and then reach the even effect of air-out increase of air output and air-out of lower extreme on the bladeless fan, inject the contained angle in annular wind gap simultaneously, guarantee the compactedness of air-out, maximum optimization air output improves the performance of bladeless fan.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded schematic view of the present invention.
Fig. 3 is a schematic view of the rear cover structure of the present invention.
Reference numerals: 1. a base; 2. a fan housing; 3. a wind wheel cover; 4. a motor; 5. a wind wheel; 6. an air outlet cover; 10. a bottom cover; 11. a first air inlet; 20. a control unit; 21. a second air inlet; 22. a control panel; 60. a front cover; 61. a rear cover; 62. an annular tuyere; 63. a wind cavity; 64. a wind folding plate; 65. a single-channel air outlet ring; 66. a wind shield sheet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, a bladeless fan with uniform wind speed comprises a base 1, a fan housing 2 arranged on the base 1, a wind wheel 5 cover 3 arranged in the fan housing 2, a motor 4 arranged in the wind wheel 5 cover 3, a wind wheel 5 connected with the motor 4 in a matching manner, and an air outlet cover 6 connected with the wind wheel 5 cover 3 in a matching manner, wherein a cover opening of the wind wheel 5 cover 3 is arranged in a matching and penetrating manner with the air outlet cover 6, the air outlet cover 6 comprises a front cover 60, a rear cover 61 connected with the front cover 60 in a matching manner, annular wind ports 62 correspondingly arranged on the front cover 60 and the rear cover 61, a wind cavity 63 formed between the front cover 60 and the rear cover 61, and a wind folding plate 64 arranged on the inner wall of the rear cover 61, a single wind outlet ring 65 is arranged on the inner side of the front cover 60, a wind blocking sheet 66 for blocking the single wind outlet ring 65 is arranged on the single wind outlet ring 65, the extension line of two sides of the annular wind port 62 is divided into an included angle of 20 degrees to 40, the motor 4 is started, the wind wheel 5 rotates to generate negative pressure, external wind is led into the wind wheel 5 cover 3 through the first air outlet and the second air outlet, then is led into the wind cavity 63 through the wind wheel 5 cover 3, and the wind volume entering the wind cavity 63 can circulate in the wind cavity 63 under the action of the wind folding plate 64, namely, a wind cutting angle is added at the wind folding plate 64 at the position of the original wind cutting angle, so that the wind output at the upper part of the bladeless fan is increased, and the effect of uniform wind volume at the upper part and the lower part of the fan is achieved; the air quantity entering the air cavity 63 is equally divided by the air folding plate 64 arranged on the inner wall of the rear cover 61, partial air quantity at the bottom of the fan is sent to the upper part by the air folding plate 64, the position of an air cutting angle is additionally arranged, the effects of increasing the air quantity at the upper end and the lower end of the bladeless fan and uniformly discharging air are further achieved, the included angle of the annular air port 62 is limited, the compactness of discharging air is ensured, the air quantity is optimized to the maximum degree, the preferable included angle formed by the intersection points of the extension lines at the two sides of the annular air port 62 is set to be 30 degrees, the maximum air quantity is discharged at the moment, and meanwhile, the condition that the air outlet interference is generated due to too close distance between the air ports of; preferably, the baffle plate 64 is disposed at a position which is right of the inner wall of the rear cover 61 and occupies 1/3 of the length of the rear cover 61, and here, the bottom air can be further cut, and part of the air volume is sent to the upper part through the air cavity 63, so that the practicability of the bladeless fan is improved.
In this embodiment, the height of the wind deflector 64 is set to 2/3 of the depth of the rear cover 61, the setting height of the wind deflector 64 cannot be equal to the depth of the rear cover 61, so as to avoid shielding the process of introducing the bottom air volume into the upper part, and the wind deflector is arranged at 2/3 of the depth of the rear cover 61, so that the position of the additionally-arranged wind corner cut can be controlled to the maximum extent, the air volume part at the bottom is introduced into the upper part, and the effect of equalizing the upper air volume and the lower air volume of the bladeless fan is achieved.
In this embodiment, be connected with the end cover 7 of being connected with fan housing 2 cooperation on the base 1, be equipped with first air intake 11 on the end cover 7, the first air intake 11 that sets up on the end cover 7 can further improve the external volume of introducing wind of follow when motor 4 drives wind wheel 5 and rotates.
In this embodiment, still include control part 20 in fan housing 2, fan housing 2 front end is equipped with the control panel 22 of being connected with control part 20 cooperation electricity, fan housing 2 rear end still equipartition has second air intake 21, control panel 22 cooperation control part 20's electric connection control bladeless fan's amount of wind size and the opening and closing of power, the second air intake 21 cooperation first air intake 11 at fan housing 2 rear end equipartition simultaneously increases the intake when bladeless fan uses, improves the air output of fan in step.
The utility model discloses during the use, starter motor 4, 5 rotations of wind wheel produce the negative pressure and introduce 5 covers 3 of wind wheel through first air outlet and second air outlet with outside wind, introduce wind chamber 63 via 5 covers 3 of wind wheel again, under the effect of folding wind board 64, the amount of wind that gets into wind chamber 63 can be at wind chamber 63 inner loop, through the processing of two wind corner cuts, the air output on no leaf fan upper portion can increase, and then reach the even effect of the upper and lower portion amount of wind of fan, user's travelling comfort is improved.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides an even bladeless fan of wind speed, includes the base, sets up fan casing on the base, sets up wind wheel cover in fan casing, sets up the motor in wind wheel cover, the wind wheel of being connected with the motor cooperation and the play fan housing of being connected with the cooperation of wind wheel cover, the cover mouth of wind wheel cover link up the setting with a play fan housing cooperation, its characterized in that: the air outlet cover comprises a front cover, a rear cover connected with the front cover in a matched mode, an annular air port arranged on the front cover and the rear cover correspondingly, an air cavity formed between the front cover and the rear cover and an air folding plate arranged on the inner wall of the rear cover, wherein a single air outlet ring is arranged on the inner side of the front cover, a wind blocking sheet for separating the single air outlet ring into a plurality of air ports is arranged on the single air outlet ring, and the included angle range formed by the intersection points of extension lines on the two sides of the annular air port is 20-40 degrees.
2. The bladeless fan of claim 1, wherein the fan has a uniform wind speed, and further comprises: the height of the wind deflector is set to 2/3 of the depth of the rear cover.
3. The bladeless fan of claim 1, wherein the fan has a uniform wind speed, and further comprises: the base is connected with a bottom cover which is connected with the fan shell in a matched mode, and a first air inlet is formed in the bottom cover.
4. The bladeless fan of claim 1, wherein the fan has a uniform wind speed, and further comprises: the fan shell is characterized by further comprising a control part, a control panel electrically connected with the control part in a matched mode is arranged at the front end of the fan shell, and second air inlets are evenly distributed at the rear end of the fan shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497119.2U CN209743121U (en) | 2019-04-13 | 2019-04-13 | Bladeless fan with uniform wind speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497119.2U CN209743121U (en) | 2019-04-13 | 2019-04-13 | Bladeless fan with uniform wind speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743121U true CN209743121U (en) | 2019-12-06 |
Family
ID=68720635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920497119.2U Expired - Fee Related CN209743121U (en) | 2019-04-13 | 2019-04-13 | Bladeless fan with uniform wind speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209743121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021164566A1 (en) * | 2020-02-19 | 2021-08-26 | 应辉 | Fan |
| WO2022151997A1 (en) * | 2021-01-16 | 2022-07-21 | 洪佳林 | Mute powerful bladeless fan |
-
2019
- 2019-04-13 CN CN201920497119.2U patent/CN209743121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021164566A1 (en) * | 2020-02-19 | 2021-08-26 | 应辉 | Fan |
| WO2022151997A1 (en) * | 2021-01-16 | 2022-07-21 | 洪佳林 | Mute powerful bladeless fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |