CN104165148B - Outer rotor is adjustable wind speed blower fan - Google Patents
Outer rotor is adjustable wind speed blower fan Download PDFInfo
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- CN104165148B CN104165148B CN201410265402.4A CN201410265402A CN104165148B CN 104165148 B CN104165148 B CN 104165148B CN 201410265402 A CN201410265402 A CN 201410265402A CN 104165148 B CN104165148 B CN 104165148B
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- skewed slot
- rotor
- blower fan
- stator
- outer rotor
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- 210000003205 muscle Anatomy 0.000 claims abstract description 22
- 238000003780 insertion Methods 0.000 claims description 3
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- 230000003292 diminished effect Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The present invention relates to a kind of adjustable wind speed blower fan of outer rotor, including stator, rotor, fan blade, preceding protecting cover, rear protecting cover, guard and end cap, it is characterised in that：End cap is provided with the two annular muscle coordinated with the end ring of rotor, and the annular muscle in inner side extends forward, and its end protrudes from the annular muscle end in outside.Cover internal annular muscle is lengthened, and is strengthened the degree of cooperation of annular muscle and rotor end ring, the two gap is diminished, rainwater is hardly entered；It is suitable for using in changeable environment.
Description
Technical field
The present invention relates to a kind of blower fan, more particularly, to a kind of adjustable wind speed blower fan of outer rotor.
Background technology
The information-based, era development of technicalization promotes the producers of fan industry to start constantly to inquire into the new road of enterprise development
Road, among these it is consistent by enterprises pay attention be exactly during blower fan is produced core technology cultivate.In order to major technologies and equipment state
Productionization is pushed to higher level, produces more sophisticated product, secondary development and comprehensive autonomous innovation are numerous blower fan enterprises
Main goal of attack.Manufacturing and designing for outer rotor blower fan is related to aerodynamics, thermodynamics, thermal conduction study, materialogy, mechanical theory etc.
Multiple ambits.
Adjustable speed blower fan is a kind of novel fan machine grown up with developing rapidly for electronic technology.In social section
Under the driving of skill development, the requirement that people are used outer rotor blower fan also more and more higher, just outer rotor blower fan skill both at home and abroad at present
For art development trend, energy-efficient will be trend.Outer rotor adjustable speed blower fan detects rotor-position according to three-phase Hall, utilized
Temperature sensor determines the setting of rotating speed, effective regulation of rotating speed is realized by fuzzy PI hybrid control, makes it in wide workspace, protects
The high efficiency of fan operation has been held, the energy is saved, quality and yield is improved, the reliability of blower fan is improved, has mitigated the labor of operator
Fatigue resistance, reduces disorderly closedown and repair and maintenance time, extends the service life of consumable accessory, reduces the consumption of raw material.With
Outer rotor blower fan use environment is continually changing, and in the versatility room in market with outdoor requirement, indoor often use environment is good
It is good, but often environment is relatively severe more rainy during outdoor application, and conventional outer rotor blower fan has not been adapted to this changeable
Used in environment, outdoor often makes motor internal intake when raining, make its short circuit, cause what motor and its integrated equipment burnt
Risk.In addition, the requirement that uses centrifugal fan of people also more and more higher, more efficient outer rotor blower fan demand is more next
It is bigger, therefore, technological innovation is carried out on the basis of existing conventional outer rotor blower fan and realizes that the efficiency maximum of blower fan is optimized.
The content of the invention
Present invention is primarily intended to provide the adjustable wind speed blower fan of outer rotor that a kind of a variety of environment of adaptation, efficiency are higher.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：A kind of outer rotor wind adjustable
Fast blower fan, including stator, rotor, fan blade, preceding protecting cover, rear protecting cover, guard and end cap, it is characterised in that：End cap be provided with
Two annular muscle that the end ring of rotor coordinates, the annular muscle in inner side extends forward, and its end protrudes from the annular muscle in outside
End.Cover internal annular muscle is lengthened, and is strengthened the degree of cooperation of annular muscle and rotor end ring, the two gap is diminished, rainwater
Hardly enter；It is suitable for using in changeable environment.
Preferably, setting waterproof protecting cover outside described end cap；Waterproof protecting cover is annular solid, is set on end cap, is sealed
Hide the joint portion of annular muscle and rotor end ring.Increase waterproof protecting cover outside end cap, in structure waterproof protecting cover end cap and its with
The fit clearance covering of rotor, effectively reduces the possibility of rainwater entrance.This structure, it is rational in infrastructure, be easy to make.
Preferably, setting the skewed slot at several insertion stator two ends in stator circumference；Each skewed slot is evenly distributed on fixed
On sub- circumference；Skewed slot bottom is arc, is arranged concentrically with the cylindrical body axle center of stator；The side wall of both sides is relative at the top of skewed slot encircles
Rise into and form bar-shaped trough between projection, two projections；The two side of skewed slot is the plane clamping stator axis where plane, and two side
One skewed slot of heart opposite side.This structure, improves groove profile, increases groove utilization rate；Rotor chute optimizes, and reduces harmonic effects,
So as to improve overall efficiency.
Preferably, each skewed slot is symmetrical two-by-two centered on stator；For two symmetrical skewed slots, the two of one of skewed slot
Plane where side wall, the respectively co-planar where the side wall of the neighbouring symmetrical skewed slot of two skewed slots adjacent with another skewed slot.
It can further improve efficiency.
Preferably, the depth of skewed slot is equal to stator shaft hole radius, and equal to the distance of skewed slot bottom surface to axis hole wall.Enter
One step rotor chute optimizes.
Therefore, the present invention have it is rational in infrastructure, be easy to make the features such as, be especially suitable for a variety of environment, efficiency higher
Beneficial effect.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the present invention.
Accompanying drawing 2 is a kind of structural representation of stator.
Accompanying drawing 3 is a kind of structural representation of end cap.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：The adjustable wind speed blower fan of outer rotor of the present invention, as shown in Figure 1, it includes stator 15, rotor 26, fan blade
20th, preceding protecting cover 11, rear protecting cover 19, the power line 8 of guard 4, terminal plate 12, every printing paper 13, slot insulation 16, bearing block 17, Hu frame 18
And end cap 10, it is characterised in that：End cap 10 is provided with the two annular muscle 101,102 coordinated with the end ring of rotor 26, is in
The annular muscle 102 of inner side extends forward, and its end protrudes from the end of annular muscle 101 in outside.
The outside of end cap 10 sets waterproof protecting cover 33；Waterproof protecting cover 33 is annular solid, is set on end cap 10, and envelope hides annular muscle
101st, 102 with the joint portion of the end ring of rotor 26.
The skewed slot 151 at several two ends of insertion stator 15 provided circumferentially about of stator 15；Each skewed slot 151 is evenly distributed on fixed
On sub 15 circumference；The bottom of skewed slot 151 is arc, is arranged concentrically with the cylindrical body axle center of stator 15；The top both sides of skewed slot 151
Side wall forms bar-shaped trough relative to arching upward between projection, two projections；The two side of skewed slot 151 is where plane, and two side
Plane clamps a skewed slot 151 of stator axis heart opposite side.
Each skewed slot 151 is symmetrical two-by-two centered on stator 15；For two symmetrical skewed slots 151, the two of one of skewed slot
Plane where the wall of side, the plane where the side wall of the neighbouring symmetrical skewed slot of two skewed slots 151 adjacent with another skewed slot is common respectively
Face.
The depth of skewed slot 151 is equal to the axis hole radius of stator 15, and equal to the distance of the bottom surface of skewed slot 151 to axis hole wall.
Groove cooperation to stator and rotor is optimized, and is improved groove profile, is increased groove utilization rate；Rotor chute optimizes, and reduces harmonic wave
Influence；To line footpath, number of turn optimization so as to improve overall efficiency.Using Electromagnetic field mode, optimization is adjusted to Distribution of Magnetic Field,
Reduce electromagnetic noise.
Traditional motor be stator outside, rotor rotation produce power.Outer rotor blower fan is structure in contrast, fixed
Son is in the centre of motor, and rotor is outside.Outer rotor blower fan is to employ the advanced configuration that outer rotor blower fan directly drives fan blade
With rational pneumatic design, and with efficiency high, low, lightweight noise, compact conformation, it is convenient to install and maintain the features such as.
Under the driving of social development in science and technology, the requirement that people are used centrifugal fan also more and more higher, more efficiently
It is stronger with adaptability, the life-span it is higher outer rotor blower fan demand it is increasing, possess the outer rotor wind of waterproof structure
Machine can be applied to more bad working environments.
The present invention uses new rotor core structure, by the transfer of internal heat dissipating system, makes rotor surface non-porous, breaks
The possibility that water enters from rotor core surface absolutely.Meanwhile, the processing to heat emission hole is reduced, electric energy has been saved, cost of labor,
Improve production efficiency.Aluminium skimmings are reduced to the pollution of environment and the injury to operating personnel's body.
Cover internal annular muscle is lengthened, and is strengthened the degree of cooperation of annular muscle and rotor end ring, the two gap is diminished, rain
Water separates collective effect by its surface tension and rotor rotary dehydration, hardly enters.
Increase waterproof protecting cover outside end cap, waterproof protecting cover is covered end cap and its with the fit clearance of rotor in structure,
Waterproof protecting cover, annular muscle, rotor end ring three is formed W structures, effectively reduce the possibility of rainwater entrance.End cap end ring is long
The lengthening of degree and the increase of waterproof protecting cover, have initiated W type structures, have improved motor classification of waterproof.
Outer rotor adjustable speed blower fan is a kind of novel fan machine grown up with developing rapidly for electronic technology, it
Armature winding be placed on stator, permanent-magnet steel is installed on rotor.The armature winding of motor can use heterogeneous form, via driving
Device is connected on dc source, and stator replaces the brush and mechanical commutator of brush motor using electronic commutation, each to be mutually gradually powered
Magnetic field, and the interaction of rotor magnetic pole main field are produced in space, torque is produced, rotates motor.Outer rotor adjustable speed wind
Owner will be passed through by magneto body, power driving circuit, inverter, the part of detecting apparatus for rotor position four composition, operation
Power device of inverter correspondingly changes its different triggering assembled state with the diverse location of rotor.Therefore accurate detection turns
Son position and according to the triggering assembled state of the punctual power switched device of rotor-position be control brshless DC motor normally transport
Capable key.High performance debugging system, it is desirable to have one be suitable for system control strategy.Outer rotor adjustable speed blower fan is
One multivariable, non-linear, close coupling object.Therefore there is self study, adaptive, self organizing function using fuzzy control etc.
Intelligent control come the control carried out to brshless DC motor be a kind of effective means.In this project implementation process, by root
Rotor-position is detected according to three-phase Hall, the setting of rotating speed is determined using temperature sensor, rotating speed is realized by fuzzy PI hybrid control
Effectively regulation.Pass through the governing system based on fuzzy PI hybrid control so that outer rotor adjustable speed fan failure speed is controlled in real time.Using
Special design software, by motor body, power driving circuit, inverter, detecting apparatus for rotor position are combined, and are made whole
Individual system is more stablized, efficiently.
Claims (4)
1. a kind of adjustable wind speed blower fan of outer rotor, including stator（15）, rotor（26）, fan blade（20）, preceding protecting cover（11）, rear protecting cover
（19）, guard（4）And end cap（10）, it is characterised in that：End cap（10）It is provided with and rotor（26）End ring coordinate two
Annular muscle（101、102）, the annular muscle in inner side（102）Extend forward, its end protrudes from the annular muscle in outside（101）End
Portion；Stator（15）Several insertion stators provided circumferentially about（15）The skewed slot at two ends（151）, skewed slot（151）Two side be flat
Face, each skewed slot（151）It is evenly distributed on stator（15）On circumference, with stator（15）Centered on it is symmetrical two-by-two；For symmetrical
Two skewed slots（151）, plane where the two side of one of skewed slot clamps another skewed slot after intersection, and respectively with being pressed from both sides
Hold the skewed slot of skewed slot both sides（151）Neighbouring clamped skewed slot side wall where co-planar.
2. the adjustable wind speed blower fan of outer rotor according to claim 1, it is characterised in that：Described end cap（10）Outside is set
Waterproof protecting cover（33）；Waterproof protecting cover（33）For annular solid, end cap is set in（10）On, envelope hides annular muscle（101、102）With rotor
（26）The joint portion of end ring.
3. the adjustable wind speed blower fan of outer rotor according to claim 1 or 2, it is characterised in that：Skewed slot（151）Bottom is arc
Shape, with stator（15）Cylindrical body axle center be arranged concentrically；Skewed slot（151）The side wall of top both sides is relative to arching upward into projection, two
Bar-shaped trough is formed between projection.
4. the adjustable wind speed blower fan of outer rotor according to claim 3, it is characterised in that：Skewed slot（151）Depth be equal to it is fixed
Son（15）Axis hole radius, and equal to skewed slot（151）Bottom surface to axis hole wall distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265402.4A CN104165148B (en) | 2014-06-16 | 2014-06-16 | Outer rotor is adjustable wind speed blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265402.4A CN104165148B (en) | 2014-06-16 | 2014-06-16 | Outer rotor is adjustable wind speed blower fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104165148A CN104165148A (en) | 2014-11-26 |
| CN104165148B true CN104165148B (en) | 2017-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410265402.4A Active CN104165148B (en) | 2014-06-16 | 2014-06-16 | Outer rotor is adjustable wind speed blower fan |
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| Country | Link |
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| CN (1) | CN104165148B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201466935U (en) * | 2009-07-20 | 2010-05-12 | 沈建生 | Outer rotor three-phase asynchronous motor |
| CN201918821U (en) * | 2010-12-30 | 2011-08-03 | 上虞市曹娥电机制造有限公司 | Special motor for cooling tower |
| CN202273884U (en) * | 2011-09-07 | 2012-06-13 | 杭州微光电子股份有限公司 | Outer rotor axial flow fan with labyrinth waterproof structure |
| CN202856503U (en) * | 2012-09-14 | 2013-04-03 | 高乾进 | External rotor fan motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405002B1 (en) * | 1989-06-30 | 1993-12-08 | Jakob, Karl, Dipl.-Ing.(FH) | Electric external rotor motor |
| CN201286053Y (en) * | 2008-10-27 | 2009-08-05 | 李树国 | Permanent magnet synchronous motor and stator iron core |
| CN202889010U (en) * | 2012-09-18 | 2013-04-17 | 无锡锡山特种风机有限公司 | Rotor structure of three-phase permanent-magnet synchronous motor |
-
2014
- 2014-06-16 CN CN201410265402.4A patent/CN104165148B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201466935U (en) * | 2009-07-20 | 2010-05-12 | 沈建生 | Outer rotor three-phase asynchronous motor |
| CN201918821U (en) * | 2010-12-30 | 2011-08-03 | 上虞市曹娥电机制造有限公司 | Special motor for cooling tower |
| CN202273884U (en) * | 2011-09-07 | 2012-06-13 | 杭州微光电子股份有限公司 | Outer rotor axial flow fan with labyrinth waterproof structure |
| CN202856503U (en) * | 2012-09-14 | 2013-04-03 | 高乾进 | External rotor fan motor |
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| Publication number | Publication date |
|---|---|
| CN104165148A (en) | 2014-11-26 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20141126 Assignee: Hangzhou Jintou Finance Leasing Co.,Ltd. Assignor: HANGZHOU SAIWEI MOTOR Co.,Ltd. Contract record no.: X2023980033024 Denomination of invention: External rotor adjustable wind speed fan Granted publication date: 20171107 License type: Exclusive License Record date: 20230227 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: External rotor adjustable wind speed fan Effective date of registration: 20230302 Granted publication date: 20171107 Pledgee: Hangzhou Jintou Finance Leasing Co.,Ltd. Pledgor: HANGZHOU SAIWEI MOTOR Co.,Ltd. Registration number: Y2023980033828 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hangzhou Jintou Finance Leasing Co.,Ltd. Assignor: HANGZHOU SAIWEI MOTOR Co.,Ltd. Contract record no.: X2023980033024 Date of cancellation: 20240327 |
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| EC01 | Cancellation of recordation of patent licensing contract | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20171107 Pledgee: Hangzhou Jintou Finance Leasing Co.,Ltd. Pledgor: HANGZHOU SAIWEI MOTOR Co.,Ltd. Registration number: Y2023980033828 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |