CN102361382A - Stator air duct and rotor air duct structure of bipolar motor - Google Patents
Stator air duct and rotor air duct structure of bipolar motor Download PDFInfo
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- CN102361382A CN102361382A CN2011103302029A CN201110330202A CN102361382A CN 102361382 A CN102361382 A CN 102361382A CN 2011103302029 A CN2011103302029 A CN 2011103302029A CN 201110330202 A CN201110330202 A CN 201110330202A CN 102361382 A CN102361382 A CN 102361382A
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Abstract
The invention relates to a stator air duct and rotor air duct structure of a bipolar motor. A plurality of laminated sheet units of a stator punching sheet are fixedly arranged in an outer casing, a stator air duct is formed between each two adjacent laminated sheet units of the stator punching sheet, a rotary shaft is erected in the outer casing rotationally and fixedly provided with a plurality of laminated sheet units of a rotor punching sheet, a rotor air duct is formed between each two adjacent laminated sheet units of the stator punching sheet , an air gap is formed between an inner ring of each laminated sheet unit of the stator punching sheet and an outer ring of each laminated sheet unit of the rotor punching sheet, and the stator air ducts and the rotor air ducts are arranged in a staggered manner. The stator air duct and rotor air duct structure of the bipolar motor is simple and compact in structure and evident in action effect. Noise of the bipolar motor is reduced since the number of the rotor air ducts is one second of that of the stator air ducts and the stator air ducts and the rotor air ducts are arranged in a staggered manner on the premise of guaranteeing the magnetic performance and mechanical performance of the bipolar motor and on the condition without changing the materials of the structures of a rotor and a stator.
Description
Technical field
The present invention relates to a kind of stator-rotor iron core air channel structure of threephase asynchronous, especially a kind of bipolar machine rotor air channel structure.
Background technology
Along with science and technology development, people deepen continuously to what explore naturally, make the whirler of big torque, big electric current, high-magnetodensity produce, and this will improve the electromagnetic load of motor, and therefore big noise will inevitably be following.The noise pollution problem receives much concern, and strong noise makes troubles not only for people's productive life, the more important thing is that noise and vibration significantly can reduce the useful life of motor and driven equipment thereof, is in a disadvantageous position China's motor product in the international market.
The bipolar machine synchronous speed is 3000 rev/mins because rotating speed is high, wind from rotor alignment air channel air gap through the time pressure big, be easy to produce tangible shriek, noise is outstanding in the bipolar machine problem.When the user proposed noise requirements, general producer was employed in quencher moiety increase noise reduction measure and reduces noise, increases cost so undoubtedly, and standardization level reduces.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, a kind of bipolar machine rotor air channel structure that can effectively reduce noise is provided.
According to technical scheme provided by the invention; Said bipolar machine rotor air channel structure; Be included in the lamination of some groups of stator punching bodies of shell internal fixation setting, form the stator air duct between the lamination of two adjacent groups stator punching body, rotating turret is provided with rotating shaft in the enclosure; In rotating shaft, be fixed with the lamination of some group rotor punching bodies; Form the rotor ventilation road between the lamination of two adjacent groups rotor punching body, form air gap between the lamination cylindrical of circle and rotor punching body in the lamination of stator punching body, described stator air duct and rotor ventilation road are and shift to install.
When the number of said stator air duct was odd number, the number in said rotor ventilation road was that stator air duct number deducts half the after the numeral.
When the number of said stator air duct was even number, the number in said rotor ventilation road was that stator air duct number deducts numeral after half.
Described stator punching body comprises circular stator punching; On a side surface of stator punching, be fixed with the stator vent segment that radially is provided with; On the stator punching between adjacent two stator vent segments, offer the stator that radially is provided with and blurt out, the opening that stator is blurted out is positioned on the circle of stator punching.
Described rotor punching body comprises circular rotor punching; On rotor punching, offering the rotor that radially is provided with blurts out; The opening that rotor is blurted out is positioned on the cylindrical of rotor punching;, rotor offers axial ventilation hole on blurting out inboard rotor punching; Be fixed with radially the rotor ventilation outer end slotted vane that is provided with on one side surface of the rotor punching between adjacent two rotors are blurted out, on rotor is blurted out a side surface of inboard rotor punching, be fixed with the inner slotted vane of the rotor ventilation that radially is provided with, the inner end of slotted vane is connected slotted vane connection one with the outer end of the inner slotted vane of rotor ventilation through rotor ventilation in the rotor ventilation outer end.
The present invention is simple in structure, compact, and action effect is obvious; Under the situation that does not change the stator and rotor sructure material, guaranteeing under motor magnetic property and the mechanical performance acceptance condition that through being staggered in stator air channel, rotor air channel, and rotor ventilation road number is about half structure of stator air duct number, improves noise of motor.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
Fig. 2 is the front view of the stator punching body among the present invention.
Fig. 3 is the left view of the stator punching body among the present invention.
Fig. 4 is the front view of the rotor punching body among the present invention.
Fig. 5 is the left view of the rotor punching body among the present invention.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
As shown in the figure: this bipolar machine rotor air channel structure; Be included in the lamination of some groups of stator punching bodies 2 of shell 1 internal fixation setting; Form stator air duct 3 between the lamination of two adjacent groups stator punching body 2, rotating turret is provided with rotating shaft 4 in shell 1, in rotating shaft 4, is fixed with the lamination of some group rotor punching bodies 5; Fan 8 is installed at rotating shaft 4 two ends; Form rotor ventilation road 6 between the lamination of two adjacent groups rotor punching body 5, form air gap 7 between the lamination cylindrical of circle and rotor punching body 5 in the lamination of stator punching body 2, described stator air duct 3 and rotor ventilation road 6 are and shift to install.
When the number of said stator air duct 3 was odd number, the number in said rotor ventilation road 5 was that stator air duct 3 numbers deduct half after digital 1.
When the number of said stator air duct 3 was even number, the number in said rotor ventilation road 5 was that stator air duct 3 numbers deduct numeral 1 after half.
Described stator punching body 2 comprises circular stator punching 2.1; On a side surface of stator punching 2.1, be fixed with the stator vent segment 2.2 that radially is provided with; On the stator punching 2.1 between adjacent two stator vent segments 2.2, offer radially the stator that is provided with and blurt out 2.3, blurt out 2.3 opening of stator is positioned on the circle of stator punching 2.1.
Described rotor punching body 5 comprises circular rotor punching 5.1; On rotor punching 5.1, offer the rotor that radially is provided with and blurt out 5.2; Blurt out 5.2 opening of rotor is positioned on the cylindrical of rotor punching 5.1;, rotor offers axial ventilation hole 5.3 on blurting out 5.2 inboard rotor punchings 5.1;, adjacent two rotors are fixed with the rotor ventilation outer end slotted vane 5.4 that radially is provided with on blurting out a side surface of the rotor punching 5.1 between 5.2; On rotor is blurted out a side surface of 5.2 inboard rotor punchings 5.1, be fixed with the inner slotted vane 5.5 of the rotor ventilation that radially is provided with, the inner end of slotted vane 5.4 is connected slotted vane 5.6 connection one with the outer end of the inner slotted vane 5.5 of rotor ventilation through rotor ventilation in the rotor ventilation outer end.
Stator vent segment 7 materials are the little I-steel of 8 * 4mm; It is thickness 3mm steel plate with the inner slotted vane 5.5 of rotor ventilation that rotor ventilation outer end slotted vane 5.4, rotor ventilation connect slotted vane 5.6, and stator punching body 2, rotor punching body 5 are laminated by the thick electrical steel sheet of individual 0.5mm to be formed.
Behind the electric motor starting; Fan 8 rotates and produces blast and blows to rotor core, and wind gets into rotor ventilation road 6, stator air duct 3 respectively through axial ventilation hole 5.3 and air gap 7, because stator air duct 3 and 6 dislocation of rotor ventilation road; The air port does not line up; Avoid producing tangible shriek, improve the bipolar machine noise under same case, the rotor air channel structure noise that staggers can reduce 3dB.
Claims (5)
1. bipolar machine rotor air channel structure; Be included in the lamination of the some groups of stator punching bodies (2) of shell (1) internal fixation setting; Form stator air duct (3) between the lamination of two adjacent groups stator punching body (2); Rotating turret is provided with rotating shaft (4) in shell (1); In rotating shaft (4), be fixed with the lamination of some group rotor punching bodies (5); Form rotor ventilation road (6) between the lamination of two adjacent groups rotor punching body (5), form air gap (7) between the lamination cylindrical of circle and rotor punching body (5) in the lamination of stator punching body (2), it is characterized in that: described stator air duct (3) and rotor ventilation road (6) are and shift to install.
2. bipolar machine rotor air channel structure as claimed in claim 1 is characterized in that: when the number of said stator air duct (3) was odd number, the number in said rotor ventilation road (5) was that stator air duct (3) number deducts half after digital 1.
3. bipolar machine rotor air channel structure as claimed in claim 1 is characterized in that: when the number of said stator air duct (3) was even number, the number in said rotor ventilation road (5) was that stator air duct (3) number deducts numeral 1 after half.
4. bipolar machine rotor air channel structure as claimed in claim 1; It is characterized in that: described stator punching body (2) comprises circular stator punching (2.1); On a side surface of stator punching (2.1), be fixed with the stator vent segment (2.2) that radially is provided with; On the stator punching (2.1) between adjacent two stator vent segments (2.2), offer radially the stator that is provided with and blurt out (2.3), the blurt out opening of (2.3) of stator is positioned on the circle of stator punching (2.1).
5. bipolar machine rotor air channel structure as claimed in claim 1; It is characterized in that: described rotor punching body (5) comprises circular rotor punching (5.1); On rotor punching (5.1), offer radially the rotor that is provided with blurt out (5.2); The blurt out opening of (5.2) of rotor is positioned on the cylindrical of rotor punching (5.1); Blurt out at rotor and offer axial ventilation hole (5.3) on (5.2) inboard rotor punching (5.1);, adjacent two rotors are fixed with the rotor ventilation outer end slotted vane (5.4) that radially is provided with on blurting out a side surface of the rotor punching (5.1) between (5.2); Blurting out at rotor is fixed with the inner slotted vane (5.5) of the rotor ventilation that radially is provided with on the side surface of (5.2) inboard rotor punching (5.1), and the inner end of slotted vane (5.4) is connected slotted vane (5.6) connection one with the outer end of the inner slotted vane of rotor ventilation (5.5) through rotor ventilation in the rotor ventilation outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103302029A CN102361382A (en) | 2011-10-26 | 2011-10-26 | Stator air duct and rotor air duct structure of bipolar motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103302029A CN102361382A (en) | 2011-10-26 | 2011-10-26 | Stator air duct and rotor air duct structure of bipolar motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102361382A true CN102361382A (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103302029A Pending CN102361382A (en) | 2011-10-26 | 2011-10-26 | Stator air duct and rotor air duct structure of bipolar motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023217A (en) * | 2012-12-18 | 2013-04-03 | 上海电机学院 | Overall machine wind path structure of high-power and high-peed permanent magnet synchronous motor |
| CN103973014A (en) * | 2013-01-31 | 2014-08-06 | 安徽明腾永磁机电设备有限公司 | Rotor of permanent magnet motor |
| WO2014139355A1 (en) * | 2013-03-15 | 2014-09-18 | Techtronic Power Tools Technology Limited | Cooling arrangement for an electric motor and method of fabricating a hollow shaft therefor |
| CN104779741A (en) * | 2015-03-17 | 2015-07-15 | Abb技术有限公司 | Motor |
| CN106329744A (en) * | 2016-08-29 | 2017-01-11 | 北京交通大学 | Motor structure based on transverse H-shaped sectional ventilating channel steel |
| CN112072855A (en) * | 2020-09-21 | 2020-12-11 | 中车株洲电机有限公司 | Electric machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546849A (en) * | 1978-09-26 | 1980-04-02 | Mitsubishi Electric Corp | Rotary electric machine |
| JPS57202854A (en) * | 1981-06-05 | 1982-12-11 | Hitachi Ltd | Cooling device for rotor |
| JPS5866544A (en) * | 1981-10-12 | 1983-04-20 | Fuji Electric Co Ltd | Squirrel cage rotor with air duct |
| JP2889145B2 (en) * | 1995-02-01 | 1999-05-10 | 株式会社東芝 | Rotating electric machine |
| CN201594780U (en) * | 2009-12-30 | 2010-09-29 | 三一电气有限责任公司 | Motor |
| CN201918815U (en) * | 2010-12-12 | 2011-08-03 | 南车株洲电机有限公司 | Ventilating structure for copper bar rotor of motor |
| CN202309443U (en) * | 2011-10-26 | 2012-07-04 | 中电电机股份有限公司 | Bipolar motor stator and rotor air channel structure |
-
2011
- 2011-10-26 CN CN2011103302029A patent/CN102361382A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546849A (en) * | 1978-09-26 | 1980-04-02 | Mitsubishi Electric Corp | Rotary electric machine |
| JPS57202854A (en) * | 1981-06-05 | 1982-12-11 | Hitachi Ltd | Cooling device for rotor |
| JPS5866544A (en) * | 1981-10-12 | 1983-04-20 | Fuji Electric Co Ltd | Squirrel cage rotor with air duct |
| JP2889145B2 (en) * | 1995-02-01 | 1999-05-10 | 株式会社東芝 | Rotating electric machine |
| CN201594780U (en) * | 2009-12-30 | 2010-09-29 | 三一电气有限责任公司 | Motor |
| CN201918815U (en) * | 2010-12-12 | 2011-08-03 | 南车株洲电机有限公司 | Ventilating structure for copper bar rotor of motor |
| CN202309443U (en) * | 2011-10-26 | 2012-07-04 | 中电电机股份有限公司 | Bipolar motor stator and rotor air channel structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023217A (en) * | 2012-12-18 | 2013-04-03 | 上海电机学院 | Overall machine wind path structure of high-power and high-peed permanent magnet synchronous motor |
| CN103023217B (en) * | 2012-12-18 | 2015-06-10 | 上海电机学院 | Overall machine wind path structure of high-power and high-peed permanent magnet synchronous motor |
| CN103973014A (en) * | 2013-01-31 | 2014-08-06 | 安徽明腾永磁机电设备有限公司 | Rotor of permanent magnet motor |
| WO2014139355A1 (en) * | 2013-03-15 | 2014-09-18 | Techtronic Power Tools Technology Limited | Cooling arrangement for an electric motor and method of fabricating a hollow shaft therefor |
| CN104779741A (en) * | 2015-03-17 | 2015-07-15 | Abb技术有限公司 | Motor |
| CN104779741B (en) * | 2015-03-17 | 2017-05-03 | Abb技术有限公司 | Motor |
| CN106329744A (en) * | 2016-08-29 | 2017-01-11 | 北京交通大学 | Motor structure based on transverse H-shaped sectional ventilating channel steel |
| CN112072855A (en) * | 2020-09-21 | 2020-12-11 | 中车株洲电机有限公司 | Electric machine |
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Application publication date: 20120222 |