CN104165148A - Outer rotor fan with adjustable air speed - Google Patents
Outer rotor fan with adjustable air speed Download PDFInfo
- Publication number
- CN104165148A CN104165148A CN201410265402.4A CN201410265402A CN104165148A CN 104165148 A CN104165148 A CN 104165148A CN 201410265402 A CN201410265402 A CN 201410265402A CN 104165148 A CN104165148 A CN 104165148A
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- Prior art keywords
- skewed slot
- stator
- rotor
- blower fan
- ring
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- 210000003205 muscle Anatomy 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003292 diminished effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004411 aluminium Substances 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change 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
- 238000009826 distribution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an outer rotor fan with the adjustable air speed. The fan comprises a stator, a rotor, fan blades, a front protection cover, a rear protection cover, a mesh enclosure and an end cover and is characterized in that the end cover is provided with two ring-shaped ribs matched with an end ring of the rotor, the inner ring-shaped rib extends forwards, and the end of the inner ring-shaped rib protrudes out of the end of the outer ring-shaped rib. Due to the fact that the ring-shaped ribs in the end cover are lengthened, the matching degree of the ring-shaped ribs and the end ring of the rotor can be increased, the gap between the ring-shaped ribs and the end ring of the rotor can be diminished, and rain water can not enter the fan easily. The fan can adapt to changeable environments.
Description
Technical field
The present invention relates to a kind of blower fan, especially relate to the adjustable wind speed blower fan of a kind of external rotor.
Background technique
The new road that era development information-based, technicalization impels the producers of blower fan industry to start constantly to inquire into enterprise development, what this was wherein unanimously subject to enterprises pay attention is exactly the cultivation of core technology during blower fan is produced.Higher level for major technologies and equipment production domesticization is pushed to, produce more most advanced and sophisticated product, secondary development and omnibearing autonomous innovation are the mains goal of attack of numerous blower fan enterprise.Outer rotor blower fan manufacture and design multiple ambits such as relating to gas dynamics, thermomechanics, thermal conduction study, materials science, mechanical theory.
Variable-speed outer rotor variable-speed blower fan is a kind of novel fan machine growing up along with developing rapidly of electronic technology.Under the ordering about of social development in science and technology, the requirement that people use outer rotor blower fan is also more and more higher, and with regard at present domestic and international outer rotor blower fan technology trends, energy-efficient will be trend.External rotor variable-speed blower fan according to three-phase Hall detection rotor position, utilize temperature transducer to determine the setting of rotating speed, realize effective adjusting of rotating speed by fuzzy PI hybrid control; make it in wide working area; keep the high efficiency of fan operation; energy saving, improves Quality and yield, improves the reliability of blower fan; alleviate operator's labor intensity; reduce disorderly closedown and repair and maintenance time, extend the working life of easily damaged parts, reduce raw-material consumption.Along with the continuous variation of outer rotor blower fan Environmental Conditions, indoor and the outdoor requirement of versatility with market, indoor often Environmental Conditions is good, but when outdoor application, often environment is more rainy, conventional outer rotor blower fan can not adapt to use in this changeable environment, outdoorly tend to make motor internal water inlet when rainy, make its short circuit, the risk that causes motor and integrated equipment thereof to burn.In addition, the requirement that people use centrifugal blower is also more and more higher, and outer rotor blower fan demand is increasing more efficiently, therefore, carries out technological innovation and realize the maximum optimization of efficiency of blower fan on the basis of existing conventional outer rotor blower fan.
Summary of the invention
Main purpose of the present invention is to provide a kind of multiple environment, adjustable wind speed blower fan of external rotor that efficiency is higher of adapting to.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of external rotor is adjustable wind speed blower fan, comprise stator, rotor, fan blade, front protecting cover, rear protecting cover, guard and end cap, it is characterized in that: end cap is provided with two annular muscle that coordinate with the end ring of rotor, annular muscle in inner side extends forward, and its end protrudes from the annular muscle end in outside.End cap inner annular muscle lengthens, and the cooperate degree of annular muscle and rotor end ring is strengthened, and makes the two gap smaller, and rainwater is difficult to enter; Can adapt to use in changeable environment.
As preferably, described end cap outer installment waterproof protecting cover; Waterproof protecting cover is annular solid, is set on end cap, and envelope hides the connecting part of annular muscle and rotor end ring.The outside waterproof protecting cover that increases of end cap, structurally waterproof protecting cover covers end cap and with the matching gap of rotor, effectively reduces the possibility that rainwater enters.This structure, rational in infrastructure, be easy to make.
As preferably, the skewed slot at several perforation stator two ends is set in stator circumference; Each skewed slot is evenly distributed in stator circumference; Skewed slot bottom is arc, with concentric setting the in cylindrical body axle center of stator; The sidewall of both sides, skewed slot top, with respect to arching upward into projection, forms bar-shaped trough between two projections; The two side of skewed slot is plane, and a skewed slot of the plane at place, two side clamping stator axis heart opposite side.This structure, improvement grooved, increases groove utilization ratio; Rotor chute is optimized, and reduces harmonic effects, thereby improves overall efficiency.
As preferably, each skewed slot is symmetrical between two centered by stator; For two symmetrical skewed slots, place, the two side plane of one of them skewed slot, a sidewall place plane of two skewed slots adjacent with another skewed slot is coplanar respectively.Can further improve efficiency.
As preferably, the degree of depth of skewed slot equals stator axis pore radius, and equals the distance of skewed slot bottom surface to axis hole wall.Further rotor chute optimization.
Therefore, that the present invention has is rational in infrastructure, be easy to the features such as making, especially can adapt to multiple environment, beneficial effect that efficiency is higher.
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 representations of stator.
Accompanying drawing 3 is a kind of structural representations of end cap.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment: external rotor of the present invention is adjustable wind speed blower fan, as shown in Figure 1, it comprises stator 15, rotor 26, fan blade 20, front protecting cover 11, rear protecting cover 19, guard 4, power line 8, wire board 12, every printing paper 13, slot insulation 16, bearing support 17, frame 18 and end cap 10 recklessly, it is characterized in that: end cap 10 is provided with two annular muscle 101,102 that coordinate with the end ring of rotor 26, annular muscle 102 in inner side extends forward, and its end protrudes from annular muscle 101 ends in outside.
End cap 10 outer installment waterproof protecting covers 33; Waterproof protecting cover 33 is annular solid, is set on end cap 10, and envelope hides the connecting part of annular muscle 101,102 and rotor 1 end ring.
The skewed slot 151 that several connect stator 15 two ends is set on stator 15 circumference; Each skewed slot 151 is evenly distributed on stator 15 circumference; Skewed slot 151 bottoms are arc, with concentric setting the in cylindrical body axle center of stator 15; The sidewall of skewed slot 151 both sides, top, with respect to arching upward into projection, forms bar-shaped trough between two projections; The two side of skewed slot 151 is plane, and a skewed slot 151 of the plane at place, two side clamping stator axis heart opposite side.
Each skewed slot 151 is symmetrical between two centered by stator 15; For two symmetrical skewed slots 151, place, the two side plane of one of them skewed slot, a sidewall place plane of two skewed slots 151 adjacent with another skewed slot is coplanar respectively.
The degree of depth of skewed slot 151 equals stator 15 axis hole radiuses, and equals the distance of skewed slot 151 bottom surfaces to axis hole wall.
The groove of stator and rotor is coordinated and is optimized, and improvement grooved, increases groove utilization ratio; Rotor chute is optimized, and reduces harmonic effects; Thereby wire diameter, number of turn optimization are improved to overall efficiency.Utilize a road combination, Magnetic field distribution is adjusted to optimization, reduce electromagnetic noise.
Traditional motor be stator outside, rotor produce power.Outer rotor blower fan is structure in contrast, and stator is in the centre of motor, and rotor outside.Outer rotor blower fan is to have adopted outer rotor blower fan directly to drive the advanced configuration of fan blade and rational pneumatic design, and have that efficiency is high, noise is low, the feature such as lightweight, compact structure, installation and maintenance are convenient.
Under the ordering about of social development in science and technology, the requirement that people use centrifugal blower is also more and more higher, more efficient and adaptability is stronger, the life-span higher outer rotor blower fan demand increasing, the outer rotor blower fan that has waterproof structure can be applied to more bad working environments.
The present invention adopts novel rotor core structure, by the transfer of internal heat dissipating system, makes rotor surface atresia, has broken off the possibility that water enters from rotor iron core surface.Meanwhile, reduced the processing to radiation hole, saved electric energy, cost of labor, has improved manufacturing efficiency.The aluminium pollution of bits to environment and the injury to operator's health are reduced.
End cap inner annular muscle lengthens, and the cooperate degree of annular muscle and rotor end ring is strengthened, and makes the two gap smaller, and rainwater separates acting in conjunction by its surface tension and rotor dehydration, is difficult to enter.
The outside waterproof protecting cover that increases of end cap, structurally waterproof protecting cover covers end cap and with the matching gap of rotor, makes waterproof protecting cover, annular muscle, rotor end ring three form W structure, effectively reduces the possibility that rainwater enters.The lengthening of end cap end ring length and the increase of waterproof protecting cover, initiated W type structure, improved motor classification of waterproof.
External rotor variable-speed blower fan is a kind of novel fan machine growing up along with developing rapidly of electronic technology, and its armature winding is placed on stator, and permanent-magnet steel is installed on rotor.The armature winding of motor can adopt heterogeneous form, receives in DC electrical source via driver, and stator adopts electronic commutation to replace brush and the mechanical commutator of brush motor, each phase is successively switched in generation magnetic field, space, interact with rotor magnetic pole main field, produce torque, make motor rotation.External rotor variable-speed blower fan is mainly by magneto body, power driving circuit, and inverter, detecting apparatus for rotor position four part compositions, move and correspondingly change its different triggering assembled state by power device of inverter with the diverse location of rotor.Therefore the accurate position of detection rotor be to control the key of the normal operation of brshless DC motor according to the triggering assembled state of the punctual power switched device of rotor-position.High performance debug system, need to have a control strategy that is suitable for system.External rotor variable-speed blower fan is the object of a multivariable, non-linear, strong coupling.Therefore it is a kind of effectively means that the intelligent control of utilizing fuzzy control etc. to have self study, self adaption, self organizing function is carried out the control of brshless DC motor.In this project implementation process, by according to three-phase Hall detection rotor position, utilize temperature transducer to determine the setting of rotating speed, realize effective adjusting of rotating speed by fuzzy PI hybrid control.By the speed control system based on fuzzy PI hybrid control, external rotor adjustable speed fan disable velocity is controlled in real time.Adopt special design software, by motor body, power driving circuit, inverter, detecting apparatus for rotor position combine, and make whole system more stable, efficient.
Claims (5)
1. the adjustable wind speed blower fan of external rotor, comprise stator (15), rotor (26), fan blade (20), front protecting cover (11), rear protecting cover (19), guard (4) and end cap (10), it is characterized in that: end cap (10) is provided with two the annular muscle (101,102) that coordinate with the end ring of rotor (26), annular muscle (102) in inner side extends forward, and its end protrudes from annular muscle (101) end in outside.
2. the adjustable wind speed blower fan of external rotor according to claim 1, is characterized in that: described end cap (10) outer installment waterproof protecting cover (33); Waterproof protecting cover (33) is annular solid, is set in end cap (10) upper, and envelope hides the connecting part of annular muscle (101,102) and rotor (1) end ring.
3. the adjustable wind speed blower fan of external rotor according to claim 1 and 2, is characterized in that: the skewed slot (151) that several perforation stator (15) two ends are set on stator (15) circumference; Each skewed slot (151) is evenly distributed on stator (15) circumference; Skewed slot (151) bottom is arc, with concentric setting the in cylindrical body axle center of stator (15); The sidewall of skewed slot (151) both sides, top, with respect to arching upward into projection, forms bar-shaped trough between two projections; The two side of skewed slot (151) is plane, and a skewed slot (151) of the plane at place, two side clamping stator axis heart opposite side.
4. the adjustable wind speed blower fan of external rotor according to claim 3, is characterized in that: each skewed slot (151) is symmetrical between two centered by stator (15); For two symmetrical skewed slots (151), place, the two side plane of one of them skewed slot, a sidewall place plane of two skewed slots (151) adjacent with another skewed slot is coplanar respectively.
5. the adjustable wind speed blower fan of external rotor according to claim 3, is characterized in that: the degree of depth of skewed slot (151) equals stator (15) axis hole radius, and equals the distance of skewed slot (151) bottom surface to axis hole wall.
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 true CN104165148A (en) | 2014-11-26 |
| CN104165148B CN104165148B (en) | 2017-11-07 |
Family
ID=51909096
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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405002A1 (en) * | 1989-06-30 | 1991-01-02 | 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 |
| 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 |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405002A1 (en) * | 1989-06-30 | 1991-01-02 | 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 |
| 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 |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 远，顾国彪等: "《中国电气工程大典 第9卷 电机工程》", 31 October 2008, 中国电力出版社 * |
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| Publication number | Publication date |
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| CN104165148B (en) | 2017-11-07 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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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 |