CN106523401B - 360 ° of fans of optimizing pneumatic performance - Google Patents
360 ° of fans of optimizing pneumatic performance Download PDFInfo
- Publication number
- CN106523401B CN106523401B CN201610675932.5A CN201610675932A CN106523401B CN 106523401 B CN106523401 B CN 106523401B CN 201610675932 A CN201610675932 A CN 201610675932A CN 106523401 B CN106523401 B CN 106523401B
- Authority
- CN
- China
- Prior art keywords
- turbine
- blade
- motor
- plate
- ladder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Abstract
The invention discloses 360 ° of fan turbine apparatus of optimizing pneumatic performance, including shaft and blade and plate three parts, this turbine is covered by a netted outer cover.In addition, there are also the shaft, motor fixing frame and the pedestals that connect turbine and work drive motor.Blade is circumferentially equidistantly mounted in shaft, blade is connected directly with plate simultaneously, turbine is connected to the motor by rotary shaft and is connect, motor correspondence is fixed on motor fixing frame, motor fixing frame is then fixed in pedestal, turbine apparatus is improved, that is, deflector, tooth-shape structure with impact-reducing, hierarchic structure three aspect remodeling improve 360 ° of fan aeroperformances.Apparatus of the present invention have efficient aeroperformance, and the features such as low noise.
Description
Original application date:2014.5.26 original applying number:201410226769.5,
Former denomination of invention:A kind of 360 ° of fans of optimizing pneumatic performance
Technical field
The invention belongs to fan technology field more particularly to a kind of 360 ° of fans of optimizing pneumatic performance.
Background technique
Conventional fan can only often blow a direction, such as tube-axial fan on air-out direction.Conventional fan cannot be guaranteed
Hearsay is delivered in all orientation.The some fans occurred on the market need ceaselessly to wave, so that there is wind in each direction, but
It is to be unable to satisfy each moment to all have and blow air over.And it is common in appearance, in the fan market of competitive excitation, does not have and induce one
The characteristic gazed at.
To solve the above problems, being proposed 360 ° of fans on the market.As its name suggests, 360 ° of fans, 360 ° of annulars one
Circle can blow to wind.360 ° of each moment is solved the problems, such as without dead angle outlet air.360 ° of fans not only have it is so excellent go out
Wind performance, while again with the appearance of Greco-Roman Style.The classic feature with the modern times of fan fusion, can regard is that an art work is glad
Reward.Although current 360 ° of fan air-out effects are preferable, relatively some other fan, air quantity a bit deficient in.And noise
It is smaller, but air-flow is caused not due to causing ambient gas to be pulsed when turbine rotation on the leaves top such as axial leaf top and radial leaf top
Stablize, increases rotational noise and generate probability.
Accordingly, it is considered to which above-mentioned analysis, is badly in need of designing a kind of turbine of bladeless fan, it can guarantee that bladeless fan is whole
In the case of aeroperformance optimization, reduces the pulsation of turbo blade ambient pressure and air-flow inhomogeneities and rotational noise increases
Deng influence.A possibility that also reducing the generation possibility of resonance simultaneously, and then leading to blade fatigue and be broken reduction.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of 360 ° of fans of optimizing pneumatic performance, in energy
Enough in the case where improving 360 ° of fan entirety outlet air performances, the aerodynamic noise of turbo blade generation is reduced.
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of 360 ° of fan turbine apparatus of low noise.,
A kind of 360 ° of fans of optimizing pneumatic performance of the present invention include motor, rotation axis, turbine, motor fixing frame and netted
Outer cover;Netted outer cover integrally wraps up turbine, and motor is provided on motor fixing frame, and the output shaft of motor passes through transmission shaft and whirlpool
Wheel connection, motor, motor fixing frame, shaft are arranged in pedestal.The turbine include five blades and plate, blade and
Plate is orthogonal, and five blade equidistantly distributeds, blade height is consistent with the diameter of plate, and wherein the camber of blade is plate
0.2 times of radius, with a thickness of 4mm.Turbine is equipped with guiding device.
The turbine plate top and bottom are covered by deflector, the position coordinates point on deflector and shaft axis diameter
To 0~20mm of distance, radius of curvature increases to 100 by the 20 of deflector center, the position coordinates point on deflector and shaft axis
Line 20~60mm of radial distance, radius of curvature increase to infinitely great from 100.
6~16 teeth are shared on each blade of the turbine, axial blade upper top and next top respectively account for half, each
Toothing is identical, and tooth form is arc-shaped structure, and tooth root and tooth top are rounding off.Tooth high setting is 2.5~4mm, tooth pitch 5
~8mm;
All there are two ladders at the turbine each blade radial leaf top, symmetrical by symmetrical plane of plate.Rank
It is to smoothly transit that ladder, which connect transition with blade,.The height control of ladder is in 3~6mm, and width is 6~15mm, and the arc length of ladder is
1/8 circumference,
Preferably, ladder a height of 4mm, ladder width 10mm.Stepped surfaces are arc-shaped, and height radially increases
Height increases to 4mm by 0.About 1/8 circumference of the arc length of ladder.
The present invention has following good effect:
Due to being added to deflector, impact when air-flow enters turbine portion is reduced, air-flow is by more stable entrance
In runner, air-flow is more steady along radial motion in runner, and caused pressure fluctuation is less, and both having played reduces noise
Effect, while air quantity of fan is also improved.Since deflector covers part shaft and root of blade, make air will not be
It is detained around shaft or slows down, is conducive to air-flow and is more sufficiently moved along air-out direction, improve the outlet air efficiency of fan.
Also root of blade air low speed is solved the problems, such as.Tooth-shape structure remodeling has been done on turbo blade axial direction leaf top, which changes
The pressure distribution at the axial top of blade, weakens noise source at blade axial direction leaf top, advantageously reduces fan when air inlet
Noise.Blade radial leaf devises hierarchic structure at top, and since this ladder is on the pressure face of blade, and stepped surfaces band is curved
Song is conducive to drive surrounding air movement when turbine rotation, improves Radial Flow rate, improve air-out volume.The structure simultaneously
Remodeling reduce the pressure fluctuation of blade surface, reduce the generation of rotational noise.
Detailed description of the invention
Fig. 1 is 360 ° of fan structure diagrams of the invention;
Fig. 2 is 360 ° of fan turbine prototype structure schematic diagrames of the invention;
Fig. 3 a is the schematic diagram of the first turbine of 360 ° of fan turbine apparatus of the invention;
Fig. 3 b is the schematic diagram of the first turbine deflector of 360 ° of fan turbine apparatus of the invention;
Fig. 4 is the schematic diagram of second of turbine of 360 ° of fan turbine apparatus of the invention;
Fig. 5 is the schematic diagram of the third turbine of 360 ° of fan turbine apparatus of the invention;
Fig. 6 is the specification specified figure of the third turbine of the invention;
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figure 1 and Figure 2, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of 360 ° of fans of low noise
Turbine apparatus, a kind of 360 ° of fans of optimizing pneumatic performance of the present invention include motor 5, rotation axis 2, turbine 1, motor fixing frame 7
With netted outer cover 8;Netted outer cover integrally wraps up turbine, and motor is provided on motor fixing frame, and the output shaft of motor passes through biography
Moving axis is connect with turbine 1, and motor, motor fixing frame, shaft are arranged in pedestal 4.The turbine include five blades and
Plate, blade and plate 3 are orthogonal, and five blade equidistantly distributeds, 6 height of blade is consistent with the diameter of plate, the middle period
The camber of piece is 0.2 times of plate radius, with a thickness of 4mm.Turbine is equipped with guiding device.
As shown in Figure 3a, 3b, the turbine plate top and bottom are covered by deflector, and the position on deflector is sat
Punctuate and 0~20mm of shaft axis radial distance, radius of curvature increase to 100 by the 20 of deflector center, the position on deflector
Coordinate points and 20~60mm of shaft axis radial distance are set, radius of curvature increases to infinitely great from 100.Streamline is presented in its contour line
Type directs air flow in runner, air-flow is more stably in runner while reducing axial flow and entering turbine portion impact
Along radial motion, both play the role of reducing noise, while air quantity of fan is also improved.The song of contour line front half section
Rate radius is smaller, radius of curvature by deflector center 20 to increment 100.And the second half section due to tending towards stability close to plate,
Then radius of curvature is larger, because parallel with plate, therefore radius of curvature increases to infinitely great by 100.Contour line front half section is leaned on
It at nearly shaft, plays drainage and reduces impact effect, allow the entrance turbine flow stable from the gas for flowing axially through turbine
Road.And the second half section is then to play the role of steady flow, by air-flow gently steadily outside radial delivery to turbine.
As shown in figure 4, sharing 10 teeth on each blade of the turbine, axial blade upper top and next top respectively account for one
Half, each toothing is identical, and tooth form is arc-shaped structure, and tooth root and tooth top are rounding off.Tooth high setting is 2.5mm, tooth
Away from for 5mm;
The number of teeth can excessively cause flow losses, therefore need to control the number of teeth, by number of teeth control on each blade at 6 to 16
Within it is ideal.The tooth height and the facewidth of tooth-shape structure must be maintained within 4mm, and tooth is excessively high or wide, then easily causes blade
The reduction of acting ability easily makes air-flow conveying unstable, and flow losses increase.Blade axial top when the structure changes air inlet
The pressure distribution on surface weakens noise source at blade axial direction leaf top, and being conducive to fan reduces noise.
As shown in Figure 5, Figure 6, all there are two ladders at the turbine each blade radial leaf top, are symmetrical flat with plate
Face is symmetrical.It is to smoothly transit that ladder, which connect transition with blade,.Ladder a height of 4mm, ladder width 10mm.Stepped surfaces are in
Arc-shaped, height radially increases, and increases to 4mm by 0.The arc length of each ladder is 1/8 circumference.
Blade radial leaf devises hierarchic structure at top.The ladder of on piece cannot be arranged excessively, can excessively make air trajectory
Disorder, while more turbine is generated, the efficiency of fan is reduced, control is preferred within 4.It is arranged on each blade herein
All there are two ladders, i.e. plate each one up and down.It is to smoothly transit that ladder, which connect transition with blade,.
360 ° of fan outlet air processes of the present invention are air motion mode substantially according to arrow and verbal description.Wind is from outer cover
Top and bottom air inlet through hollow shaft, by turbine runner from radial outlet air.Meet 360 ° of outlet air of fan, annular air outlet effect.
Claims (1)
1. 360 ° of fans of optimizing pneumatic performance, including motor, rotation axis, turbine, motor fixing frame and netted outer cover;It is netted outer
Cover integrally wraps up turbine, and motor is provided on motor fixing frame, and rotation axis is connect by transmission shaft with turbine, motor, motor
Fixed frame, rotation axis are arranged in pedestal;It is characterized in that:The turbine includes plate and five blades, blade peace
Plate is orthogonal, and five blade equidistantly distributeds, blade height is consistent with the diameter of plate, and wherein the camber of blade is plate half
0.2 times of diameter, with a thickness of 4mm;Turbine is equipped with guiding device;
All there are two ladders at each blade radial leaf top of the turbine, symmetrical by symmetrical plane of plate;Ladder
It is to smoothly transit with blade junction;The ladder a height of 4mm, ladder width 10mm;The arc length of ladder is the circular arc institute
The 1/8 of round circumference;The bending of stepped surfaces band is conducive to drive surrounding air movement when turbine rotation, improves radial flow
Dynamic rate, improves air-out volume, reduces the pressure fluctuation of blade surface, reduce rotational noise.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610675932.5A CN106523401B (en) | 2014-05-26 | 2014-05-26 | 360 ° of fans of optimizing pneumatic performance |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410226769.5A CN104088802B (en) | 2014-05-26 | 2014-05-26 | A kind of 360 ° of fans of optimizing pneumatic performance |
CN201610675932.5A CN106523401B (en) | 2014-05-26 | 2014-05-26 | 360 ° of fans of optimizing pneumatic performance |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410226769.5A Division CN104088802B (en) | 2014-05-26 | 2014-05-26 | A kind of 360 ° of fans of optimizing pneumatic performance |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106523401A CN106523401A (en) | 2017-03-22 |
CN106523401B true CN106523401B (en) | 2018-11-30 |
Family
ID=51636546
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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CN201610675932.5A Expired - Fee Related CN106523401B (en) | 2014-05-26 | 2014-05-26 | 360 ° of fans of optimizing pneumatic performance |
CN201610670338.7A Pending CN106640700A (en) | 2014-05-26 | 2014-05-26 | 360-degree fan with optimized aerodynamic performance |
CN201410226769.5A Expired - Fee Related CN104088802B (en) | 2014-05-26 | 2014-05-26 | A kind of 360 ° of fans of optimizing pneumatic performance |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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CN201610670338.7A Pending CN106640700A (en) | 2014-05-26 | 2014-05-26 | 360-degree fan with optimized aerodynamic performance |
CN201410226769.5A Expired - Fee Related CN104088802B (en) | 2014-05-26 | 2014-05-26 | A kind of 360 ° of fans of optimizing pneumatic performance |
Country Status (1)
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CN (3) | CN106523401B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106523429B (en) * | 2016-12-05 | 2019-06-25 | 珠海格力电器股份有限公司 | The fan blade of circumferential outlet air and fan with it |
CN107198808A (en) * | 2017-07-10 | 2017-09-26 | 杭州超德斯实业有限公司 | A kind of oxygen mask |
CN107701488A (en) * | 2017-08-08 | 2018-02-16 | 永春百祥茶业有限公司 | A kind of new energy-saving fan device |
CN110966231B (en) * | 2018-09-29 | 2021-08-06 | 广东威灵电机制造有限公司 | Circumferential air outlet fan |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1455048A1 (en) * | 1986-02-05 | 1989-01-30 | Азербайджанский Научно-Исследовательский Электротехнический Институт Производственного Объединения "Азерэлектромаш" | Domestic fan |
CN2303959Y (en) * | 1997-01-20 | 1999-01-13 | 李书印 | Divergent electric fan |
CN2463571Y (en) * | 2001-01-18 | 2001-12-05 | 张绍喜 | 360 degree circular plenum electric fan |
TW526901U (en) * | 2002-05-15 | 2003-04-01 | Fanthing Electrical Corp | Damping hanging ball for ceiling fan |
US20060172688A1 (en) * | 2005-01-13 | 2006-08-03 | Aaron Johnson | Ceiling fan |
CN1865711A (en) * | 2006-04-18 | 2006-11-22 | 吉林大学 | Method for reducing noise of axial flow fan |
CN200961588Y (en) * | 2006-07-27 | 2007-10-17 | 范富平 | Power-free automatic ventilator |
KR20090015269A (en) * | 2007-08-08 | 2009-02-12 | 유가은 | 360 degree electric fan |
CN101782077A (en) * | 2009-01-01 | 2010-07-21 | 肜春延 | Novel centrifugal type electric fan |
CN201377456Y (en) * | 2009-03-20 | 2010-01-06 | 宋佳佳 | Novel fan |
CN202228398U (en) * | 2011-10-14 | 2012-05-23 | 蒙凌 | Novel electric fan |
JP2013127216A (en) * | 2011-12-19 | 2013-06-27 | Panasonic Corp | Fan |
CN202381363U (en) * | 2011-12-31 | 2012-08-15 | 浙江理工大学 | Electric fan capable of blowing air at 360 degrees |
CN102635573A (en) * | 2012-04-27 | 2012-08-15 | 浙江理工大学 | Tooth-shaped trailing edge axial flow fan |
CN202646063U (en) * | 2012-04-27 | 2013-01-02 | 贵州大学 | 360-degree wind source desk fan |
CN203223391U (en) * | 2013-04-28 | 2013-10-02 | 李海波 | 360-degree vertical rotating fan |
CN103711717A (en) * | 2013-12-23 | 2014-04-09 | 张广舜 | Spherical electric fan |
CN204003526U (en) * | 2014-05-26 | 2014-12-10 | 浙江理工大学 | 360 ° of fans of optimizing pneumatic performance |
-
2014
- 2014-05-26 CN CN201610675932.5A patent/CN106523401B/en not_active Expired - Fee Related
- 2014-05-26 CN CN201610670338.7A patent/CN106640700A/en active Pending
- 2014-05-26 CN CN201410226769.5A patent/CN104088802B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN106640700A (en) | 2017-05-10 |
CN106523401A (en) | 2017-03-22 |
CN104088802B (en) | 2017-01-04 |
CN104088802A (en) | 2014-10-08 |
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