CN102611222A - Motor ventilating system with gear type wind mixing structure - Google Patents
Motor ventilating system with gear type wind mixing structure Download PDFInfo
- Publication number
- CN102611222A CN102611222A CN2012100421336A CN201210042133A CN102611222A CN 102611222 A CN102611222 A CN 102611222A CN 2012100421336 A CN2012100421336 A CN 2012100421336A CN 201210042133 A CN201210042133 A CN 201210042133A CN 102611222 A CN102611222 A CN 102611222A
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- stator
- air
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- ventilation
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- 238000009423 ventilation Methods 0.000 claims description 92
- 238000003756 stirring Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract 4
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor ventilating system with a gear type wind mixing structure in the technical field of motors. The motor ventilating system comprises a stator part and a rotor part, wherein the stator part comprises an axial air feeding chamber, a stator radial ventilating trench and a radial air discharging chamber, the stator radial ventilating trench comprises a stator radial air feeding ventilating trench and stator radial air discharging ventilating trenches, the stator radial air discharging trenches are positioned on two sides of the stator radial air feeding ventilating trench; the axial air feeding chamber and the radial air discharging chamber are alternatively distributed on yoke back parts at two sides of the stator part; the rotor part comprises a rotor axial air feeding ventilating trench, rotor radial ventilating trenches and a groove; and the groove is positioned between the outlets of the rotor radial ventilating trenches on the surface of the rotor part and plays a role in mixing wind. According to the invention, the temperature rise of the rotor is effectively reduced so that the average temperature of the motor is decreased, and the service life of the motor can be prolonged.
Description
Technical field
The invention belongs to technical field of motors, relate in particular to a kind of motor ventilation system that gear type is stirred the wind structure that carries.
Background technology
Compare with the permanent magnet motor of laminated rotor, adopt the particularity of the permanent magnet motor of solid rotor to be that rotor promptly is that magnetic conductor is again an electric conductor, these characteristics make it have high starting torque, let motor have better starting performance.And the defective of this structure is to induce eddy current at rotor surface; This part eddy current loss is prone to cause rotor temperature rise too high; When the work of motor periodicity nominal load, the temperature rise meeting of rotor is higher, and the performance and the temperature of permanent magnet are closely related; The too high performance that can reduce permanent magnet of temperature, even produce the irreversible demagnetization problem.
Existing solid-rotor permanent-magnet motor ventilation structure is to set up armature spindle radial ventilation ditch mostly, makes permanent magnet machine rotor have better cooling effect through changing rotor radial ventilation ditch openings of sizes or rotor axial ventilating opening incline direction.But this cooling structure all is by cooling in the middle of two side direction, and the temperature in the middle of the motor can be higher than both sides like this, causes interior temperature distribution inhomogeneous.
Summary of the invention
Can't in time take away the deficiencies such as heat of motor gas-gap and rotor surface to mentioning existing motor ventilation cooling structure in the above-mentioned background technology, the present invention proposes a kind of motor ventilation system that gear type is stirred the wind structure that carries.
Technical scheme of the present invention is, carries the motor ventilation system that gear type is stirred the wind structure, it is characterized in that this ventilating system comprises stationary part and rotor portion;
Said stationary part comprises air inlet through hollow shaft air compartment, stator radial ventilation ditch and air-out air compartment radially; Stator radial ventilation ditch comprises radially air inlet ventilation ditch and stator air-out ventilation ducts radially of stator; Stator radially air-out ventilation ducts is positioned at the radially both sides of air inlet ventilation ditch of stator;
Said air inlet through hollow shaft air compartment and radially the air-out air compartment alternately be distributed in the yoke back of stator both sides;
Said rotor portion comprises rotor axial air inlet ventilation ditch, rotor radial ventilation ducts and groove; Groove works the wind effect of stirring between the rotor radial ventilation ditch outlet of rotor surface;
Said air inlet through hollow shaft air compartment and stator radially air inlet ventilation ditch are communicated with; Stator is air inlet ventilation ditch and the connection of rotor radial ventilation ducts radially; Radially air-out ventilation ducts and rotor axial air inlet ventilation ditch are communicated with the rotor radial ventilation ducts with stator respectively; Stator is air-out ventilation ducts and radially air-out air compartment connection radially.
Said stationary part and rotor portion have the air gap of setpoint distance.
Said air inlet through hollow shaft air compartment and radially the air-out air compartment isolate through insulating barrier.
The axial ventilation of said air inlet through hollow shaft air compartment, radially stuffy.
Said radially air-out air compartment radial ventilation, axially stuffy.
Said stator radial ventilation ditch is 7.
Beneficial effect of the present invention: through the iris action of stator yoke back air compartment structure and the wind effect of stirring of rotor radial ventilation ducts air outlet grooves on two sides; Change the tradition ventilation structure; Extraneous cold wind can in time be taken away air gap and rotor surface heat; Thereby reduced the temperature rise of rotor effectively, made the mean temperature of motor reduce the useful life that to improve permanent magnet.
Description of drawings
Fig. 1 is the whole front view of motor stator yoke back individual layer aeration structure;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the B-B profile of Fig. 1;
Fig. 4 is the rotor vertical view;
Fig. 5 is a motor stator yoke back double-layer ventilation structural entity front view;
Fig. 6 is the C-C profile of Fig. 5;
Fig. 7 is the D-D profile of Fig. 5.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit scope of the present invention and application thereof.
Technical problem to be solved by this invention is to overcome the heat that existing motor ventilation structure can not in time be taken away motor gas-gap and rotor surface; Permanent magnet is demagnetized easily; For reducing the permanent magnet temperature; A kind of novel ventilated system is provided, and this structure is applicable to other solid rotor synchronous machines or solid rotor asynchronous machine simultaneously.
Embodiment 1:
The present invention includes stationary part and rotor portion, stationary part comprises air inlet through hollow shaft air compartment, stator radial ventilation ditch and air-out air compartment radially; Stator radial ventilation ditch comprises radially air inlet ventilation ditch and stator air-out ventilation ducts radially of stator; Stator radially air-out ventilation ducts is positioned at the radially both sides of air inlet ventilation ditch of stator;
Rotor portion comprises rotor axial air inlet ventilation ditch, rotor radial ventilation ducts and groove; Groove works the wind effect of stirring between the rotor radial ventilation ditch outlet of rotor surface.Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4.
Stator is distributed with stator radial ventilation ditch 1 vertically;
The air compartment structure 2 at the stator yoke back, and there are air inlet through hollow shaft air compartment 2-1,2-2 in both sides vertically, are axial ventilation, radially stuffy;
The air inlet through hollow shaft air compartment axially communicates with middle air channel 2-5, stator radial ventilation ditch 1-3,1-4, the 1-5 in cold wind district in the middle of the middle air channel covering stator;
Between adjacent two wind inlet channels radial ventilation, axial nonventilated radially air-out air compartment 2-3,2-4, stator radial ventilation ditch 1-1,1-2,1-6, the 1-7 in hot blast district, covering stator both sides respectively;
The air inlet through hollow shaft air compartment at stator yoke back with radially by insulating barrier 6 it is separated between the air-out air compartment;
The rotor correspondence has rotor radial ventilation ducts 3-1,3-2,3-3,3-4 at the radial ventilation ditch of stator both sides;
Corresponding rotor radial ventilation ducts, rotor has rotor axial air inlet ventilation ditch 5-1 to 5-24 along circle distribution;
In both sides, exit, rotor radial ventilation ducts surface, respectively have groove 4-1,4-2,4-3, the 4-4 of certain depth, play and stir wind action;
Embodiment 2:
Stationary part comprises bilayer turnover wind aeration structure and the stator radial ventilation ditch that stator core is outside; Rotor portion comprises: rotor axial air inlet ventilation ditch and rotor radial ventilation ducts, the groove of rotor radial ventilation ducts outlet both sides.Like Fig. 5,6,7,4, it is characterized in that:
Stator is distributed with 7 stator radial ventilation ditches 1 vertically;
At the stator core outer surface special aeration structure 2 is arranged, be divided into three sections vertically, the left and right sides is a double-decker, and the upper strata is wind inlet channel 2-1, the 2-2 of an axial ventilation, and axially communicates with the air channel 2-5 of centre;
Middle air channel axial-radial all ventilates, and stator radial ventilation ditch 1-3,1-4, the 1-5 in the middle cold wind of covering stator district;
Lower floor is air-out air channel 2-3,2-4, and axial-radial all ventilates, respectively hot blast district, covering stator both sides to radially ventilation ducts 1-1,1-2,1-6,1-7;
Along the circumferential direction, the air inlet through hollow shaft air compartment is with radially the air-out air compartment is adjacent, and has insulation barrier 6 keep off respectively extremely to pass in and out the wind inlet channel that goes out in the double-decker of wind air channel;
The air inlet through hollow shaft air compartment of the double-deck turnover in both sides, stator yoke back wind structure with radially also it is separated between the air-out air compartment by insulating barrier 6;
The rotor correspondence has rotor radial ventilation ducts 3-1,3-2,3-3,3-4 at the stator radial ventilation ditch of stator both sides;
Corresponding rotor radial ventilation ducts, rotor has rotor axial air inlet ventilation ditch 5-1 to 5-24 along circle distribution;
In both sides, exit, rotor radial ventilation ducts surface, respectively have groove 4-1,4-2,4-3, the 4-4 of certain depth, play and stir wind action;
The wind path that when motor rotates, forms is: stator surface air inlet through hollow shaft air compartment air intake → cold wind district, enterings stator centre → converge → get into the radially air-out air compartment air-out of stator both sides hot blast district → stator surface to the wind that stirs the wind effect to the wind and the rotor recesses of both sides → go out with armature spindle radial ventilation ditch by intermediate flow along air-gap shaft.
The invention provides a kind of novel ventilated system.This structure one transportation work style gets into from the air inlet through hollow shaft air compartment at stator yoke back; Via cold fetch rear air gap in the middle of the stator to the both sides air draft; Through whole rotor surface; The groove that stirs the wind effect that plays to both sides by rotor radial ventilation ducts air outlet both sides is introduced into hot blast district, stator both sides, goes upward to the radially air-out air compartment at stator yoke back, the air inlet through hollow shaft air compartment at yoke back and radially between the air-out air compartment with dividing plate with cold and hot wind subregion; Rotor axial air inlet ventilation ditch that another transportation work style is opened from the rotor surface two ends gets into, and is up and converge up simultaneously again air-out at the wind that air outlet place and that transportation work style of stator and rotor stir wind by the rotor radial ventilation ducts.This structure has reduced the temperature rise of rotor effectively, has improved the useful life of permanent magnet.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (6)
1. carry gear type and stir the motor ventilation system of wind structure, it is characterized in that this ventilating system comprises stationary part and rotor portion;
Said stationary part comprises air inlet through hollow shaft air compartment, stator radial ventilation ditch and air-out air compartment radially; Stator radial ventilation ditch comprises radially air inlet ventilation ditch and stator air-out ventilation ducts radially of stator; Stator radially air-out ventilation ducts is positioned at the radially both sides of air inlet ventilation ditch of stator;
Said air inlet through hollow shaft air compartment and radially the air-out air compartment alternately be distributed in the yoke back of stator both sides;
Said rotor portion comprises rotor axial air inlet ventilation ditch, rotor radial ventilation ducts and groove; Groove works the wind effect of stirring between the rotor radial ventilation ditch outlet of rotor surface;
Said air inlet through hollow shaft air compartment and stator radially air inlet ventilation ditch are communicated with; Stator is air inlet ventilation ditch and the connection of rotor radial ventilation ducts radially; Radially air-out ventilation ducts and rotor axial air inlet ventilation ditch are communicated with the rotor radial ventilation ducts with stator respectively; Stator is air-out ventilation ducts and radially air-out air compartment connection radially.
2. according to claim 1ly carry the motor ventilation system that gear type is stirred the wind structure, it is characterized in that said stationary part and rotor portion have the air gap of setpoint distance.
3. according to claim 1ly carry the motor ventilation system that gear type is stirred the wind structure, it is characterized in that said air inlet through hollow shaft air compartment and radially the air-out air compartment isolate through insulating barrier.
4. according to claim 1ly carry the motor ventilation system that gear type is stirred the wind structure, it is characterized in that the axial ventilation of said air inlet through hollow shaft air compartment, radially stuffy.
5. according to claim 1ly carry the motor ventilation system that gear type is stirred the wind structure, it is characterized in that said radially air-out air compartment radial ventilation, axially stuffy.
6. according to claim 1ly carry the motor ventilation system that gear type is stirred the wind structure, it is characterized in that said stator radial ventilation ditch is 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210042133.6A CN102611222B (en) | 2012-02-22 | 2012-02-22 | Motor ventilating system with gear type wind mixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210042133.6A CN102611222B (en) | 2012-02-22 | 2012-02-22 | Motor ventilating system with gear type wind mixing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102611222A true CN102611222A (en) | 2012-07-25 |
| CN102611222B CN102611222B (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210042133.6A Expired - Fee Related CN102611222B (en) | 2012-02-22 | 2012-02-22 | Motor ventilating system with gear type wind mixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102611222B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801238A (en) * | 2012-08-15 | 2012-11-28 | 北京交通大学 | Permanent magnet motor rotor beneficial for radiating |
| CN103746485A (en) * | 2013-12-24 | 2014-04-23 | 上海电机***节能工程技术研究中心有限公司 | Rotor cooling structure of permanent magnet synchronous motor |
| CN104821669A (en) * | 2015-04-29 | 2015-08-05 | 哈尔滨理工大学 | Stator ventilation loop type permanent magnet motor |
| CN107134885A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous electric thermomechanical components and compressor and air conditioner with it |
| WO2018054224A1 (en) * | 2016-09-20 | 2018-03-29 | 北京交通大学 | Honeycomb-type closed ventilation and cooling device for motor |
| CN110607656A (en) * | 2019-09-27 | 2019-12-24 | 珠海格力电器股份有限公司 | Motor heat radiation structure, external rotor motor and washing machine with same |
| CN110729853A (en) * | 2018-07-17 | 2020-01-24 | 盖多·瓦伦蒂尼 | Electric motor with magnetic gear arrangement |
| CN112713676A (en) * | 2020-11-17 | 2021-04-27 | 北京交通大学 | Optimization method for ventilation hole of axial variable-section stator of traction motor |
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| CN101316058A (en) * | 2008-06-04 | 2008-12-03 | 哈尔滨理工大学 | Rotor protection sleeve of high speed permanent magnet motor |
| CN101409475A (en) * | 2007-09-03 | 2009-04-15 | 株式会社日立制作所 | Rotating electric machine |
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| US20110175494A1 (en) * | 2010-01-15 | 2011-07-21 | Marchitto Luciano | Rotor for an electric motor |
| CN102290922A (en) * | 2011-09-06 | 2011-12-21 | 永济新时速电机电器有限责任公司 | Double-fed wind generator |
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2012
- 2012-02-22 CN CN201210042133.6A patent/CN102611222B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS4835304A (en) * | 1971-09-06 | 1973-05-24 | ||
| JPH0835304A (en) * | 1994-07-22 | 1996-02-06 | Tsutsunaka Plast Ind Co Ltd | Paste applying device of existing sheet of vinyl chloride |
| CN101409475A (en) * | 2007-09-03 | 2009-04-15 | 株式会社日立制作所 | Rotating electric machine |
| CN101316058A (en) * | 2008-06-04 | 2008-12-03 | 哈尔滨理工大学 | Rotor protection sleeve of high speed permanent magnet motor |
| US20110175494A1 (en) * | 2010-01-15 | 2011-07-21 | Marchitto Luciano | Rotor for an electric motor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801238A (en) * | 2012-08-15 | 2012-11-28 | 北京交通大学 | Permanent magnet motor rotor beneficial for radiating |
| CN103746485A (en) * | 2013-12-24 | 2014-04-23 | 上海电机***节能工程技术研究中心有限公司 | Rotor cooling structure of permanent magnet synchronous motor |
| CN103746485B (en) * | 2013-12-24 | 2016-08-31 | 上海电机***节能工程技术研究中心有限公司 | A kind of cooling structure of permagnetic synchronous motor |
| CN104821669A (en) * | 2015-04-29 | 2015-08-05 | 哈尔滨理工大学 | Stator ventilation loop type permanent magnet motor |
| CN104821669B (en) * | 2015-04-29 | 2017-12-08 | 哈尔滨理工大学 | Stator ventilation circuit formula magneto |
| CN107134885A (en) * | 2016-02-29 | 2017-09-05 | 珠海格力电器股份有限公司 | Permanent magnet synchronous electric thermomechanical components and compressor and air conditioner with it |
| WO2018054224A1 (en) * | 2016-09-20 | 2018-03-29 | 北京交通大学 | Honeycomb-type closed ventilation and cooling device for motor |
| CN110729853A (en) * | 2018-07-17 | 2020-01-24 | 盖多·瓦伦蒂尼 | Electric motor with magnetic gear arrangement |
| CN110607656A (en) * | 2019-09-27 | 2019-12-24 | 珠海格力电器股份有限公司 | Motor heat radiation structure, external rotor motor and washing machine with same |
| CN112713676A (en) * | 2020-11-17 | 2021-04-27 | 北京交通大学 | Optimization method for ventilation hole of axial variable-section stator of traction motor |
| CN112713676B (en) * | 2020-11-17 | 2021-12-10 | 北京交通大学 | Optimization method for ventilation hole of axial variable-section stator of traction motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102611222B (en) | 2014-10-29 |
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Granted publication date: 20141029 |