CN107218234A - Low noise efficient fan applied to magneto - Google Patents
Low noise efficient fan applied to magneto Download PDFInfo
- Publication number
- CN107218234A CN107218234A CN201710544624.3A CN201710544624A CN107218234A CN 107218234 A CN107218234 A CN 107218234A CN 201710544624 A CN201710544624 A CN 201710544624A CN 107218234 A CN107218234 A CN 107218234A
- Authority
- CN
- China
- Prior art keywords
- magneto
- fan blade
- fan
- periphery
- low noise
- 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.)
- Granted
Links
- 241000883990 Flabellum Species 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
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
- F04D25/082—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provision for cooling the motor
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
-
- 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
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention relates to a kind of low noise efficient fan applied to magneto, including the fixed seat being connected for the rotation shaft rear end with magneto, if being arranged at intervals with dry plate internal helicoid fan blade on the periphery of the fixed seat, the periphery of internally positioned spiral fan blade is provided with the first annular skeleton for being fixedly connected with the outer of internal helicoid fan blade and internal air channel being formed between fixed seat, if being arranged at intervals with dry plate external helicoid fan blade on the periphery of the ring skeleton, the periphery of externally-located spiral fan blade is additionally provided with the second ring skeleton for being fixedly connected with the outer of external helicoid fan blade and external air channel being formed between first annular skeleton.The fan is not only simple in structure, and effectively compared with low noise, improves radiating efficiency.
Description
Technical field
The present invention relates to a kind of low noise efficient fan applied to magneto.
Background technology
Motor belongs to machine driving standard machinery, will in many suitable application areas because original Radiution vane for motor noise is big
Ask and do not reach, and original common electric machine fan blade, generally using the vertical chip of tradition, and equipped with fan housing on motor housing, fan blade is set
Area is big, and large area turbulent air can be formed inside fan housing when fan blade is rotated, and most of wind-force is in idle work, and only one
Part is exported by fan housing one end and blown out, and the air blown out is also turbulent condition, can actually enter motor housing radiating
Air is seldom, that is, has substantial amounts of effect heat radiation power loss, causes electric efficiency low, and due to turbulent flow sky in fan housing
Just there is roar in gas and the formation air blast sympathetic response of thin-walled fan housing, fan housing, noise is very big.
The content of the invention
It is an object of the invention to provide a kind of low noise efficient fan applied to magneto, it is not only simple in structure,
And effectively compared with low noise, improve radiating efficiency.
Technical program of the present invention lies in：A kind of low noise efficient fan applied to magneto, including for forever
The fixed seat that the rotation shaft rear end of magneto is connected, if being arranged at intervals with dry plate internal helicoid on the periphery of the fixed seat
Fan blade, the periphery of internally positioned spiral fan blade is provided with to be fixedly connected and the shape between fixed seat with the outer of internal helicoid fan blade
Into the first annular skeleton in internal air channel, if being arranged at intervals with dry plate external helicoid fan blade on the periphery of the ring skeleton,
The periphery of externally-located spiral fan blade be additionally provided be fixedly connected with the outer of external helicoid fan blade and with first annular skeleton it
Between formed external air channel the second ring skeleton.
Further, 3 ~ 5 internal helicoid flabellums are arranged at intervals with the periphery of the fixed seat, the annular frame
Four outside flabellums are arranged at intervals with periphery.
Further, the angle of the internal helicoid fan blade and rotary shaft axial line is 60 °, the external helicoid fan blade with
The angle of rotary shaft axial line is 73.5 °.
Further, the internal air channel is parallel with the axial line of rotary shaft, and the external air channel is to Permanent Magnet and Electric
Machine direction tilts 3 ~ 5 °.
Further, it is spaced to be laid with the rear end cap of the magneto and is passed through for the wind of internal helicoid flabellum formation
Air-permeating hole, the rotor week portion of magneto, which is arranged at intervals with axial heat dissipation ventilation hole, the drive end bearing bracket of magneto, to be also spaced
Exhaust vent is set.
Further, the rear end releasable connection of the magneto has fan housing, and the rear end face interval of the fan housing is laid with
The gap of the wind output for external air channel is provided between the outer surface of fresh air inlet, fan housing and magneto housing.
Further, the housing week portion of the magneto is also arranged at intervals with fin.
Compared with prior art, the present invention has advantages below：
1. the fan is not only simple in structure, practical function is good, and effectively compared with low noise, improves radiating efficiency；
2. the fan blade of the fan uses properller formula structure so that fan blade setting area only has former equal-wattage fan blade
1/3；Internal helicoid fan blade and external helicoid fan blade are respectively arranged with air channel, and external air channel tilts 3 ~ 5 ° to motor drive direction, with
Just effectively it can cool for motor housing, effect is good；
3. improving the service efficiency of magneto, increase run time significantly, and noise is contrasted with former 2 grades of 2.2KW motors
55 decibels are dropped to by 73 decibels, radiator fan institute wasted work rate 38W drops to 10W, improve electric efficiency up to 1.4%；
4. by internal helicoid fan blade and external helicoid fan blade fan can be made to form stable laminar flow in fan housing, wind is improved
The utilization rate of energy, and can effectively reduce noise.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is Fig. 1 of present invention A-A sectional views；
Fig. 3 is the outer foil of the present invention and the angle schematic diagram of axial direction；
Fig. 4 is the inner vanes of the present invention and the angle schematic diagram of axial direction；
Fig. 5 is the fan of the present invention and the mated condition schematic diagram of magneto；
In figure：Inside 1- fixed seat 2- internal helicoid fan blade 21- angles 3- outside the first annular skeleton 5- of air channel 4-
After portion spiral fan blade 51- angle 6- external air channels 7- the second ring skeleton 71- angle 10- magnetoes 11-
End cap 12- drive end bearing bracket 13- rotary shaft 14- fan housing 15- fin 16- housings.
Embodiment
For the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows, but the present invention is not limited thereto.
Referring to figs. 1 to Fig. 5
A kind of low noise efficient fan applied to magneto, including be connected for the rear end of rotary shaft 13 with magneto
Fixed seat 1, if being arranged at intervals with dry plate internal helicoid fan blade 2 on the periphery of the fixed seat, internally positioned spiral fan blade
Periphery be provided with the first annular of internal air channel 3 be fixedly connected with and formed between fixed seat with the outer of internal helicoid fan blade
Skeleton 4, can be cooled so as to the wind of internal helicoid fan blade formation for the inside of magneto.The circumference of the ring skeleton
If being arranged at intervals with dry plate external helicoid fan blade 5 on face, the periphery of externally-located spiral fan blade is additionally provided with and external helicoid wind
The outer of leaf is fixedly connected and the second ring skeleton 7 of external air channel 6 is formed between first annular skeleton, so as to external helicoid
The wind of fan blade formation can cool for the shell of magneto.
In the present embodiment by taking 2 grades of motor 2.2KW as an example, the internal helicoid fan blade and external helicoid fan blade are respectively adopted winged
Machine propeller type structure, the power of fan blade is improved in there was only former equal-wattage fan blade so as to fan blade setting area 1/3.
In the present embodiment, 3 ~ 5 internal helicoid flabellums, the toroidal frame are arranged at intervals with the periphery of the fixed seat
Four outside flabellums are arranged at intervals with the periphery of body, to fully ensure that the structural strength of fan.
In the present embodiment, the angle 21 of the internal helicoid fan blade and rotary shaft axial line is 60 °, so as to effectively production
Raw stable laminar flow, and ensure to supply the wind energy of magneto internal cooling.The external helicoid fan blade and rotary shaft axle center
The angle 51 of line is 73.5 °, so as to ensure the cooling for producing enough unidirectional laminar flow wind energy supply magneto housings.
In the present embodiment, the internal air channel is parallel with the axial line of rotary shaft, second ring skeleton
Angle 71 between the periphery of periphery and magneto housing is 3 ~ 5 °, to make external air channel incline to magneto direction
Oblique 3 ~ 5 °, so as to make the wind of external helicoid fan blade generation can be with useful effect in magneto housing, the wind prevented
Because being unable to reach the front portion of magneto housing after diffusion.
In the present embodiment, interval is laid with for the formation of internal helicoid flabellum on the rear end cap 11 of the magneto 10
The air-permeating hole that wind is passed through, the rotor week portion of magneto is arranged at intervals with axial heat dissipation ventilation hole, the drive end bearing bracket 12 of magneto
On be also arranged at intervals exhaust vent, so as to internal helicoid fan blade produce wind can be efficiently entering motor internal, it is ensured that motor internal
The cooling-down effect of component, so as to improve the service life and power of magneto.
In the present embodiment, the rear end releasable connection of the magneto has fan housing 14, the rear end face interval cloth of the fan housing
Provided with fresh air inlet, the gap of the wind output for external air channel is provided between the outer surface of fan housing and magneto housing 16,
The housing week portion of the magneto is also arranged at intervals with fin 15.So that the wind that external helicoid fan blade is produced coordinates fin
And the cooling of outside motor is effectively ensured in the groove between fin.
Motor internal had both been met by the cooperation of external helicoid fan blade and internal helicoid fan blade to cool, and motor is met again
Outside cooling, the temperature for guarantee motor of working along both lines prevents the motor feelings that operating efficiency is reduced because of high temperature at a normal temperature
Condition.
Presently preferred embodiments of the present invention is the foregoing is only, for the ordinary skill in the art, according to this hair
Bright teaching, designs various forms of low noise efficient fans applied to magneto and does not need performing creative labour,
Without departing from the principles and spirit of the present invention all equivalent changes made according to scope of the present invention patent, modification,
Replace and modification, should all belong to the covering scope of the present invention.
Claims (7)
1. a kind of low noise efficient fan applied to magneto, including be connected for the rotation shaft rear end with magneto
Fixed seat, it is characterised in that it is internally positioned if being arranged at intervals with dry plate internal helicoid fan blade on the periphery of the fixed seat
The periphery of spiral fan blade is provided with is fixedly connected with and is formed between fixed seat internal air channel with the outer of internal helicoid fan blade
First annular skeleton, if being arranged at intervals with dry plate external helicoid fan blade, externally-located spiral on the periphery of the ring skeleton
The periphery of fan blade is additionally provided with is fixedly connected with and is formed between first annular skeleton outside wind with the outer of external helicoid fan blade
Second ring skeleton in road.
2. the low noise efficient fan according to claim 1 applied to magneto, it is characterised in that the fixed seat
Periphery on be arranged at intervals with 3 ~ 5 internal helicoid flabellums, the periphery of the annular frame be arranged at intervals with four it is outer
Portion's flabellum.
3. the low noise efficient fan according to claim 1 or 2 applied to magneto, it is characterised in that in described
The angle of portion's spiral fan blade and rotary shaft axial line is 60 °, and the angle of the external helicoid fan blade and rotary shaft axial line is
73.5°。
4. the low noise efficient fan according to claim 3 applied to magneto, it is characterised in that the internal wind
Road direction is parallel with the axial line of rotary shaft, and the external air channel tilts 3 ~ 5 ° to magneto direction.
5. the low noise efficient fan according to claim 4 applied to magneto, it is characterised in that the Permanent Magnet and Electric
Interval is laid with the air-permeating hole passed through for the wind of internal helicoid flabellum formation, the rotor week portion of magneto on the rear end cap of machine
It is arranged at intervals with axial heat dissipation ventilation hole, the drive end bearing bracket of magneto and is also arranged at intervals exhaust vent.
6. the low noise efficient fan applied to magneto according to claim 4 or 5, it is characterised in that it is described forever
The rear end releasable connection of magneto has fan housing, and the rear end face interval of the fan housing is laid with fresh air inlet, fan housing and Permanent Magnet and Electric casing
The gap of the wind output for external air channel is provided between the outer surface of body.
7. the low noise efficient fan according to claim 6 applied to magneto, it is characterised in that the Permanent Magnet and Electric
The housing week portion of machine is also arranged at intervals with fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544624.3A CN107218234B (en) | 2017-07-06 | 2017-07-06 | Low-noise high-efficiency fan applied to permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710544624.3A CN107218234B (en) | 2017-07-06 | 2017-07-06 | Low-noise high-efficiency fan applied to permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107218234A true CN107218234A (en) | 2017-09-29 |
| CN107218234B CN107218234B (en) | 2024-02-20 |
Family
ID=59952102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710544624.3A Active CN107218234B (en) | 2017-07-06 | 2017-07-06 | Low-noise high-efficiency fan applied to permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218234B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087299A (en) * | 2017-11-29 | 2018-05-29 | 苏州诺纳可电子科技有限公司 | A kind of electronic equipment radiator |
| CN110657109A (en) * | 2019-09-23 | 2020-01-07 | 江南造船(集团)有限责任公司 | Fan capable of generating spiral wind |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184804A (en) * | 1975-10-10 | 1980-01-22 | Nippon Soken, Inc. | Rotary electric machine having a cooling fan |
| US6724106B1 (en) * | 2003-02-27 | 2004-04-20 | Sunonwealth Electric Machine Industry Co., Ltd. | Miniature brushless dc fan motor |
| JP2007192034A (en) * | 2006-01-17 | 2007-08-02 | Matsushita Electric Ind Co Ltd | Electric blower and vacuum cleaner using it |
| CN101490931A (en) * | 2006-07-14 | 2009-07-22 | Abb有限公司 | Cooling arrangement for an electrical machine |
| CN202059297U (en) * | 2011-04-27 | 2011-11-30 | 杭州赛孚机电科技有限公司 | Integrated radiation-sharing permanent magnet synchronous motor |
| CN202418030U (en) * | 2011-12-29 | 2012-09-05 | 中山大洋电机股份有限公司 | Novel cooling fan and motor applying same |
| CN102777395A (en) * | 2011-05-11 | 2012-11-14 | 松下电器产业株式会社 | Electric air blower and electric dust collector using the same |
| CN104641124A (en) * | 2012-09-03 | 2015-05-20 | 株式会社美全 | Blower |
| CN205154695U (en) * | 2015-11-26 | 2016-04-13 | 浙江久友电器科技有限公司 | Fan with two fan blade wind channels |
| CN105827079A (en) * | 2016-05-10 | 2016-08-03 | 苏州市润豪电机有限公司 | Dust collector blower fan using axial magnetic flux brushless motor |
| CN205489978U (en) * | 2016-01-26 | 2016-08-17 | 浙江科宁电机有限公司 | Motor heat dissipation fan blade structure |
| CN106026498A (en) * | 2016-07-12 | 2016-10-12 | 合肥国轩高科动力能源有限公司 | High heat dissipation permanent magnet synchronous motor |
| CN106787566A (en) * | 2017-02-05 | 2017-05-31 | 无锡方远海工电机有限公司 | A kind of permasyn morot |
| CN207111476U (en) * | 2017-07-06 | 2018-03-16 | 亿德机电科技（福建）有限公司 | Magneto with low noise efficient fan |
-
2017
- 2017-07-06 CN CN201710544624.3A patent/CN107218234B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184804A (en) * | 1975-10-10 | 1980-01-22 | Nippon Soken, Inc. | Rotary electric machine having a cooling fan |
| US6724106B1 (en) * | 2003-02-27 | 2004-04-20 | Sunonwealth Electric Machine Industry Co., Ltd. | Miniature brushless dc fan motor |
| JP2007192034A (en) * | 2006-01-17 | 2007-08-02 | Matsushita Electric Ind Co Ltd | Electric blower and vacuum cleaner using it |
| CN101490931A (en) * | 2006-07-14 | 2009-07-22 | Abb有限公司 | Cooling arrangement for an electrical machine |
| CN202059297U (en) * | 2011-04-27 | 2011-11-30 | 杭州赛孚机电科技有限公司 | Integrated radiation-sharing permanent magnet synchronous motor |
| CN102777395A (en) * | 2011-05-11 | 2012-11-14 | 松下电器产业株式会社 | Electric air blower and electric dust collector using the same |
| CN202418030U (en) * | 2011-12-29 | 2012-09-05 | 中山大洋电机股份有限公司 | Novel cooling fan and motor applying same |
| CN104641124A (en) * | 2012-09-03 | 2015-05-20 | 株式会社美全 | Blower |
| CN205154695U (en) * | 2015-11-26 | 2016-04-13 | 浙江久友电器科技有限公司 | Fan with two fan blade wind channels |
| CN205489978U (en) * | 2016-01-26 | 2016-08-17 | 浙江科宁电机有限公司 | Motor heat dissipation fan blade structure |
| CN105827079A (en) * | 2016-05-10 | 2016-08-03 | 苏州市润豪电机有限公司 | Dust collector blower fan using axial magnetic flux brushless motor |
| CN106026498A (en) * | 2016-07-12 | 2016-10-12 | 合肥国轩高科动力能源有限公司 | High heat dissipation permanent magnet synchronous motor |
| CN106787566A (en) * | 2017-02-05 | 2017-05-31 | 无锡方远海工电机有限公司 | A kind of permasyn morot |
| CN207111476U (en) * | 2017-07-06 | 2018-03-16 | 亿德机电科技（福建）有限公司 | Magneto with low noise efficient fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087299A (en) * | 2017-11-29 | 2018-05-29 | 苏州诺纳可电子科技有限公司 | A kind of electronic equipment radiator |
| CN110657109A (en) * | 2019-09-23 | 2020-01-07 | 江南造船(集团)有限责任公司 | Fan capable of generating spiral wind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107218234B (en) | 2024-02-20 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231211 Address after: 355000 plot A18, Jianshan community, Xibing Industrial Park, Fu'an City, Ningde City, Fujian Province Applicant after: FUJIAN FUAN LEAD PUMP Co.,Ltd. Address before: 363600 Nanping Municipal and Economic Development Zone, Fujian Province Applicant before: YIDE ELECTROMECHANICAL TECHNOLOGY (FUJIAN) CO.,LTD. |
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