CN207111476U - Magneto with low noise efficient fan - Google Patents
Magneto with low noise efficient fan Download PDFInfo
- Publication number
- CN207111476U CN207111476U CN201720808962.9U CN201720808962U CN207111476U CN 207111476 U CN207111476 U CN 207111476U CN 201720808962 U CN201720808962 U CN 201720808962U CN 207111476 U CN207111476 U CN 207111476U
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- magneto
- fan blade
- fan
- helicoid
- periphery
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- Motor Or Generator Cooling System (AREA)
Abstract
It the utility model is related to a kind of magneto with low noise efficient fan, including magneto body, the rotation shaft rear end of the magneto body passes the rear end cap of magneto and is connected with axle sleeve, if dry plate internal helicoid fan blade is arranged at intervals with the periphery of the axle sleeve, 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 axle sleeve, if dry plate external helicoid fan blade is arranged at intervals with the periphery of the first annular skeleton, 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 is additionally provided with positioned at the periphery of external helicoid fan blade.The magneto is not only simple in structure, and effectively high compared with low noise, radiating efficiency.
Description
Technical field
It the utility model is related to a kind of magneto with low noise efficient fan.
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 the vertical chip of original common electric machine fan blade generally use tradition, and fan housing is housed on motor housing, fan blade is set
Area is big, and large area turbulent air can be formed inside fan housing when fan blade rotates, 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
Gas and thin-walled fan housing form air blast sympathetic response, just there is roar in fan housing, and noise is very big.For this reason, it may be necessary to a kind of have low noise pitch
Imitate the magneto of fan.
The content of the invention
The purpose of this utility model is to provide a kind of magneto with low noise efficient fan, not only structure letter
It is single and effectively high compared with low noise, radiating efficiency.
The technical solution of the utility model is：A kind of magneto with low noise efficient fan, including Permanent Magnet and Electric
Machine body, the rotation shaft rear end of the magneto body pass the rear end cap of magneto and are connected with axle sleeve, the axle sleeve
If periphery on be arranged at intervals with dry plate internal helicoid fan blade, the periphery of internally positioned spiral fan blade is provided with and internal helicoid
The outer of fan blade is fixedly connected and the first annular skeleton in internal air channel, the circle of the first annular skeleton is formed between axle sleeve
If being arranged at intervals with dry plate external helicoid fan blade on side face, it is additionally provided with and external helicoid wind positioned at the periphery of external helicoid fan blade
The outer of leaf is fixedly connected and the second ring skeleton of external air channel is formed between first annular skeleton.
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 is arranged at intervals with axial heat dissipation ventilation hole, is also spaced on the drive end bearing bracket of magneto
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 the housing of fresh air inlet, fan housing and magneto.
Further, the housing week portion of the magneto is also arranged at intervals with fin.
Further, 3 ~ 5 internal helicoid flabellums, the first annular bone are arranged at intervals with the periphery of the axle sleeve
Four external helicoid fan blades are arranged at intervals with the periphery of frame.
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 °.
Compared with prior art, the utility model has advantages below：
1. the magneto is not only simple in structure, practical function is good, and effectively improves radiating efficiency compared with low noise；
2. the fan blade of the magneto uses properller formula structure so that fan blade setting area only has former identical work(
The 1/3 of rate fan blade；Internal helicoid fan blade and external helicoid fan blade are respectively arranged with air channel, and external air channel tilts to motor drive direction
3 ~ 5 °, so as to effectively be that motor housing cools, effect is good；
3. improving the service efficiency of magneto, increase run time significantly, and contrast with former 2 grades of 2.2KW motors
Noise drops to 55 decibels by 73 decibels, and radiator fan institute wasted work rate 38W drops to 10W, improves 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, carry
The utilization rate of high wind energy, and can effectively reduce noise.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of fan of the present utility model；
Fig. 3 is Fig. 2 of the present utility model A-A sectional views；
Fig. 4 is outer foil of the present utility model and the angle schematic diagram of axial direction；
Fig. 5 is inner vanes of the present utility model and the angle schematic diagram of axial direction；
In figure：Spiral shell outside the first annular skeleton 5- of air channel 4- inside 1- axle sleeve 2- internal helicoid fan blade 21- angles 3-
Before cyclone leaf 51- angle 6- external air channels 7- the second ring skeleton 71- angle 10- magneto 11- rear end caps 12-
End cap 13- rotary shaft 14- fan housing 15- fin 16- housings.
Embodiment
For features described above and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing,
It is described in detail below, but the utility model is not limited to this.
Referring to figs. 1 to Fig. 5
A kind of magneto with low noise efficient fan, including magneto body 10, the magneto body
Rotation shaft rear end pass the rear end cap 11 of magneto and be connected with axle sleeve 1, be arranged at intervals with the periphery of the axle sleeve
If dry plate internal helicoid fan blade 2, the periphery of internally positioned spiral fan blade is provided with to be fixedly connected with the outer of internal helicoid fan blade
And the first annular skeleton 4 in internal air channel 3 is formed between fixed seat, so that the wind that internal helicoid fan blade is formed can be permanent magnetism
The inside of motor is cooled.If dry plate external helicoid fan blade 5, position are arranged at intervals with the periphery of the first annular skeleton
It is additionally provided with the periphery of external helicoid fan blade and is fixedly connected and between first annular skeleton with the outer of external helicoid fan blade
The second ring skeleton 7 of external air channel 6 is formed, so that the wind that external helicoid fan blade is formed can be the shell drop of magneto
Temperature.
In the present embodiment, interval is laid with what is formed for internal helicoid flabellum on the rear end cap 11 of the magneto 10
The air-permeating hole that wind passes through, the rotor week portion of magneto are 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 that wind caused by internal helicoid fan blade can be efficiently entering motor internal, ensure motor internal
The cooling-down effect of component, so as to improve the service life of magneto and power.
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 wind caused by external helicoid fan blade coordinates fin
And the cooling of outside motor is effectively ensured in the groove between fin.
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, there was only former equal-wattage fan blade so as to fan blade setting area 1/3, improve the power of fan blade.
In the present embodiment, 3 ~ 5 internal helicoid flabellums, first ring are arranged at intervals with the periphery of the fixed seat
Four external helicoid fan blades are arranged at intervals with the periphery of shape skeleton, 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 produce
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 to produce the cooling of 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 °, in order to so that wind caused by external helicoid fan blade can be with useful effect in magneto housing, the wind prevented
Because being unable to reach the front portion of magneto housing after diffusion.
The operation principle of the magneto：Motor is both met by the cooperation of external helicoid fan blade and internal helicoid fan blade
Internal cooling, outside motor cooling is met again, the temperature for guarantee motor of working along both lines prevents motor because of height at a normal temperature
Warm and operating efficiency reduction situation.
The foregoing is only preferred embodiment of the present utility model, it is all done according to present utility model application the scope of the claims it is equal
Deng change and modification, it should all belong to covering scope of the present utility model.
Claims (7)
1. a kind of magneto with low noise efficient fan, including magneto body, it is characterised in that the Permanent Magnet and Electric
The rotation shaft rear end of machine body passes the rear end cap of magneto and is connected with axle sleeve, is arranged at intervals on the periphery of the axle sleeve
If there is dry plate internal helicoid fan blade, the periphery of internally positioned spiral fan blade is provided with to be fixedly connected with the outer of internal helicoid fan blade
And the first annular skeleton in internal air channel is formed between axle sleeve, if being arranged at intervals with the periphery of the first annular skeleton
Dry plate external helicoid fan blade, it is additionally provided with positioned at the periphery of external helicoid fan blade and is fixedly connected simultaneously with the outer of external helicoid fan blade
The second ring skeleton of external air channel is formed between first annular skeleton.
2. the magneto according to claim 1 with low noise efficient fan, it is characterised in that the magneto
Rear end cap on interval be laid with the air-permeating hole that passes through of wind formed for internal helicoid flabellum, the rotor week of magneto is between portion
Every being provided with axial heat dissipation ventilation hole, exhaust vent is also arranged at intervals on the drive end bearing bracket of magneto.
3. the magneto according to claim 1 or 2 with low noise efficient fan, it is characterised in that the permanent magnetism
The rear end releasable connection of motor has fan housing, and the rear end face interval of the fan housing is laid with the shell of fresh air inlet, fan housing and magneto
The gap of the wind output for external air channel is provided between the outer surface of body.
4. the magneto according to claim 3 with low noise efficient fan, it is characterised in that the magneto
Housing week portion be also arranged at intervals with fin.
5. the magneto with low noise efficient fan according to claim 1,2 or 4, it is characterised in that the axle
3 ~ 5 internal helicoid flabellums are arranged at intervals with the periphery of set, are arranged at intervals with the periphery of the first annular skeleton
Four external helicoid fan blades.
6. the magneto according to claim 1 with low noise efficient fan, it is characterised in that the internal helicoid
The angle of 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 °.
7. the magneto according to claim 6 with low noise efficient fan, it is characterised in that the internal air channel
Direction is parallel with the axial line of rotary shaft, and the external air channel tilts 3 ~ 5 ° to magneto direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808962.9U CN207111476U (en) | 2017-07-06 | 2017-07-06 | Magneto with low noise efficient fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808962.9U CN207111476U (en) | 2017-07-06 | 2017-07-06 | Magneto with low noise efficient fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111476U true CN207111476U (en) | 2018-03-16 |
Family
ID=61575391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720808962.9U Expired - Fee Related CN207111476U (en) | 2017-07-06 | 2017-07-06 | Magneto with low noise efficient fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207111476U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218234A (en) * | 2017-07-06 | 2017-09-29 | 亿德机电科技（福建）有限公司 | Low noise efficient fan applied to magneto |
| CN112412840A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
| CN112412846A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
| CN112412835A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
-
2017
- 2017-07-06 CN CN201720808962.9U patent/CN207111476U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218234A (en) * | 2017-07-06 | 2017-09-29 | 亿德机电科技（福建）有限公司 | Low noise efficient fan applied to magneto |
| CN107218234B (en) * | 2017-07-06 | 2024-02-20 | 福建省福安市力德泵业有限公司 | Low-noise high-efficiency fan applied to permanent magnet motor |
| CN112412840A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
| CN112412846A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
| CN112412835A (en) * | 2019-08-23 | 2021-02-26 | 广东美的环境电器制造有限公司 | Air supply device |
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| 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: 20180316 Termination date: 20190706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |