CN103051131A - Alternating current asynchronous motor for fan - Google Patents
Alternating current asynchronous motor for fan Download PDFInfo
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- CN103051131A CN103051131A CN2012105954977A CN201210595497A CN103051131A CN 103051131 A CN103051131 A CN 103051131A CN 2012105954977 A CN2012105954977 A CN 2012105954977A CN 201210595497 A CN201210595497 A CN 201210595497A CN 103051131 A CN103051131 A CN 103051131A
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- fan
- transmission shaft
- rotor
- power transmission
- stator punching
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Abstract
The invention discloses an alternating current asynchronous motor for a fan. The alternating current asynchronous motor comprises a transmission shaft, a bearing, a rotor, a stator punching sheet and a base, wherein the transmission shaft is used for fixing fan blades, the other end of the transmission shaft is connected with the rotor, the transmission shaft is rotatablely arranged in the bearing, the rotor is rotatablely arranged in the stator punching sheet, and the stator punching sheet is fixedly arranged in the base. Through a round lug boss arranged at the tooth bottom of the stator punching sheet, the heat radiation function of the stator punching sheet is higher, the motor failure caused by poor motor heat radiation is avoided, and a split type structure of the transmission shaft and the rotor is adopted, so in the operation process of the motor, the vibration is reduced, the noise is also reduced, and in addition, the alternating current asynchronous motor has the characteristics that the structure is simple, the use is safe and convenient, and the like.
Description
Technical field
The present invention relates to a kind of fan electromotor, particularly a kind of fan AC induction motor.
Background technology
Asynchronous machine is a kind of alternating current machine, and the rotating speed during its load is not constant relationship with the ratio of the frequency that gets access to grid.Also the size along with load changes.Load torque is larger, and the rotating speed of rotor is lower.Asynchronous machine comprises induction machine, double fed asynchronous machine and AC commutator machine.Induction machine is most widely used, in the situation that unlikelyly lead to misunderstanding or obscure, can claim that generally induction machine is asynchronous machine.
The stator punching winding of common asynchronous moter connects AC network, and the rotor winding does not need to be connected with other power supplys.The advantages such as therefore, it has simple in structure, and manufacturing, operation and maintenance make things convenient for, and be reliable and quality is less, and cost is lower.Asynchronous machine has higher operational efficiency and operating characteristic preferably, from the zero load to the full-load range near constant-speed operation, can satisfy the transmission requirement of most of industrial and agricultural production machineries.Asynchronous machine also is convenient to derive from into various protection types, to adapt to the needs of varying environment condition.During the asynchronous machine operation, must draw idle exciting power from electrical network, the power factor of electrical network is degenerated.Therefore, to high-power, slow-revving plant equipment such as drive ball grinding machine, compressors, often adopt synchronous machine.Because the rotating speed of asynchronous machine and its rotating magnetic field rotating speed have certain slip relation, its speed adjusting performance relatively poor (except the alternating-current commutator motor).To requiring transportation machinery, milling train, heavy duty machine tools, printing and dyeing and the papermaking equipment etc. of broad and level and smooth speed adjustable range, adopt direct current machine less expensive, convenience.But the development along with high-power electronic device and Alternating Current Governor System, be applicable at present the speed adjusting performance of asynchronous machine of wide range speed control and economy can with the comparing favourably of direct current machine, but present all AC induction motor on the market, its motor internal heat radiation is relatively poor, frequent starting easily cause because of electric current excessive, damage motor, and easily shake in the running, affect result of use.
Summary of the invention
It is better that the technical problem to be solved in the present invention provides a kind of thermal diffusivity, stable, and simple in structure, easily manufactured fan AC induction motor.
For addressing the above problem, the present invention adopts following technical scheme: a kind of fan AC induction motor, comprise power transmission shaft, bearing, rotor, stator punching and pedestal, described power transmission shaft is used for the fan attachment leaf, the described power transmission shaft other end connects rotor, described power transmission shaft is rotatable to be arranged in the described bearing, and described rotor is rotatable to be arranged in the described stator punching, and described stator punching is fixed in the pedestal.
As preferably, described rotor stacks stamping forming lamination by one and forms, and this rotor has an above salient pole and a centre bore that is used for holding power transmission shaft.
As preferably, the link of described power transmission shaft and rotor is provided with insulating sleeve, this insulating sleeve inside is provided with central module, described central module has polygonal outer cross, the centre bore of described rotor has a corresponding polygonal internal cross section, to be suitable for being connected of power transmission shaft and rotor.
As preferably, described power transmission shaft is provided with engaging mechanism, so that insulating sleeve is fixed on the power transmission shaft.
As preferably, described engaging mechanism can be selected from spline, key seat, boss, dimple, distortion, platform and their combination.
As preferably, described pedestal one side is provided with the first through hole of rigid bearing, and described pedestal opposite side is provided with the second through hole of fixed rotor, and described base shell is provided with for the third through-hole that connects fan.
As preferably, described stator punching comprises ring body, and be arranged on the tooth on ring body surface, and be arranged on the winding section that winding around is used that is used on the tooth, winding around on the described winding section, be provided with the insulation film that keeps insulation between described stator punching and the coil, the tooth bottom of described stator punching also is provided with the circular arc boss.
As preferably, described winding section is provided with the holding tank of housing insulation film.
As preferably, described winding section is provided with the fixing lug boss that prevents that insulation film from moving up and down.
As preferably, described base interior also is provided with at least more than one opening, and the coil that twines on the described stator punching is fixed in the described opening.
The invention has the beneficial effects as follows: by round boss set at the bottom of the tooth of stator punching, so that the punching heat sinking function of stator is more powerful, avoided because of motor radiating poor, the electrical fault that causes is by adopting the split-type structure of power transmission shaft and rotor, so that motor is at running, vibrations are reduced, noise also reduces thereupon, and the present invention has the characteristics such as simple in structure, safe and convenient to use.
Description of drawings
Fig. 1 is the structural representation that fan of the present invention is used AC induction motor;
Fig. 2 is the partial sectional view that fan of the present invention is used the pedestal of AC induction motor;
Fig. 3 is the structural representation schematic diagram that fan of the present invention is used the rotor of AC induction motor;
Fig. 4 is the structural representation schematic diagram that fan of the present invention is used the lamination of AC induction motor;
Fig. 5 is the structural representation that fan of the present invention is used the stator punching of AC induction motor;
Fig. 6 is fan of the present invention with the partial enlarged drawing of the tooth of the stator punching of AC induction motor;
Fig. 7 is the fan of the present invention rotor of AC induction motor and the installation diagram of power transmission shaft.
Embodiment
Consult Fig. 1 to a kind of fan AC induction motor shown in Figure 7, comprise power transmission shaft 1, bearing 2, rotor 3, stator punching 4 and pedestal 5, described power transmission shaft 1 is used for the fan attachment leaf, described power transmission shaft 1 other end connects rotor 3, described power transmission shaft 1 rotatable being arranged in the described bearing 2, described rotor 3 rotatable being arranged in the described stator punching 4, described stator punching 4 is fixed in the pedestal 5.
Wherein, described rotor 3 stacks stamping forming lamination 6 by one and forms, and this rotor 3 has an above salient pole 7 and a centre bore 8 that is used for holding power transmission shaft 1;
Described power transmission shaft 1 is provided with insulating sleeve 9 with the link of rotor 3, these insulating sleeve 9 inside are provided with central module 10, described central module 10 has polygonal outer cross, the centre bore 8 of described rotor 3 has a corresponding polygonal internal cross section, to be suitable for being connected of power transmission shaft 1 and rotor 3;
Described power transmission shaft 1 is provided with engaging mechanism 11, so that insulating sleeve 9 is fixed on the power transmission shaft 1;
Described engaging mechanism 11 can be selected from spline, key seat, boss, dimple, distortion, platform and their combination;
Described pedestal 5 one sides are provided with the first through hole 12 of rigid bearing 2, and described pedestal 1 opposite side is provided with the second through hole 13 of fixed rotor 3, and described pedestal 5 shells are provided with for the third through-hole 14 that connects fan;
Described stator punching 4 comprises ring body 15, and be arranged on the tooth 16 on ring body 15 surfaces, and be arranged on the winding section 17 that winding around is used that is used on the tooth 16, winding around on the described winding section 17, be provided with the insulation film that keeps insulation between described stator punching 4 and the coil, tooth 16 bottoms of described stator punching 4 also are provided with circular arc boss 18;
Described winding section 17 is provided with the holding tank of housing insulation film;
Described winding section 17 is provided with the fixing lug boss that prevents that insulation film from moving up and down;
Described pedestal 5 inside also are provided with at least more than one opening 19, and the coil that twines on the described stator punching 4 is fixed in the described opening 19.
The invention has the beneficial effects as follows: by round boss set at the bottom of the tooth of stator punching, so that the punching heat sinking function of stator is more powerful, avoided because of motor radiating poor, the electrical fault that causes is by adopting the split-type structure of power transmission shaft and rotor, so that motor is at running, vibrations are reduced, noise also reduces thereupon, and the present invention has the characteristics such as simple in structure, safe and convenient to use.
Claims (10)
1. fan AC induction motor, comprise power transmission shaft, bearing, rotor, stator punching and pedestal, it is characterized in that: described power transmission shaft is used for the fan attachment leaf, the described power transmission shaft other end connects rotor, described power transmission shaft is rotatable to be arranged in the described bearing, described rotor is rotatable to be arranged in the described stator punching, and described stator punching is fixed in the pedestal.
2. fan AC induction motor according to claim 1, it is characterized in that: described rotor stacks stamping forming lamination by one and forms, and this rotor has an above salient pole and a centre bore that is used for holding power transmission shaft.
3. fan AC induction motor according to claim 1 and 2, it is characterized in that: the link of described power transmission shaft and rotor is provided with insulating sleeve, this insulating sleeve inside is provided with central module, described central module has polygonal outer cross, the centre bore of described rotor has a corresponding polygonal internal cross section, to be suitable for being connected of power transmission shaft and rotor.
4. according to claim 1 or 3 described fan AC induction motor, it is characterized in that: described power transmission shaft is provided with engaging mechanism, so that insulating sleeve is fixed on the power transmission shaft.
5. fan AC induction motor according to claim 4, it is characterized in that: described engaging mechanism can be selected from spline, key seat, boss, dimple, distortion, platform and their combination.
6. fan AC induction motor according to claim 1, it is characterized in that: described pedestal one side is provided with the first through hole of rigid bearing, described pedestal opposite side is provided with the second through hole of fixed rotor, and described base shell is provided with for the third through-hole that connects fan.
7. fan AC induction motor according to claim 1, it is characterized in that: described stator punching comprises ring body, and be arranged on the tooth on ring body surface, and be arranged on the winding section that winding around is used that is used on the tooth, winding around on the described winding section, be provided with the insulation film that keeps insulation between described stator punching and the coil, the tooth bottom of described stator punching also is provided with the circular arc boss.
8. fan AC induction motor according to claim 7, it is characterized in that: described winding section is provided with the holding tank of housing insulation film.
9. fan AC induction motor according to claim 7, it is characterized in that: described winding section is provided with the fixing lug boss that prevents that insulation film from moving up and down.
10. fan AC induction motor according to claim 1, it is characterized in that: described base interior also is provided with at least more than one opening, and the coil that twines on the described stator punching is fixed in the described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105954977A CN103051131A (en) | 2012-12-10 | 2012-12-10 | Alternating current asynchronous motor for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105954977A CN103051131A (en) | 2012-12-10 | 2012-12-10 | Alternating current asynchronous motor for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103051131A true CN103051131A (en) | 2013-04-17 |
Family
ID=48063669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105954977A Pending CN103051131A (en) | 2012-12-10 | 2012-12-10 | Alternating current asynchronous motor for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103051131A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025797A (en) * | 2018-08-14 | 2018-12-18 | 北京探矿工程研究所 | Transmission device is driven on rig top, rig top is driven and rig |
| CN109672306A (en) * | 2017-10-13 | 2019-04-23 | 丰田自动车株式会社 | The manufacturing method and rotary motor rotor of rotary motor rotor |
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| CN1383250A (en) * | 2001-04-21 | 2002-12-04 | 德昌电机股份有限公司 | Dynamo |
| CN2694596Y (en) * | 2003-04-01 | 2005-04-20 | 赖国赐 | Motor automatic wire-bundling arrangement |
| CN2777829Y (en) * | 2004-12-29 | 2006-05-03 | 上海日立电器有限公司 | Film slot insulation structure for dividing iron core |
| CN101392799A (en) * | 2007-09-21 | 2009-03-25 | 富准精密工业(深圳)有限公司 | Seal structure of oilless bearing and fan using the oilless bearing seal structure |
| CN101414775A (en) * | 2008-12-02 | 2009-04-22 | 江苏大学 | Freestanding bi-convex-pole fault-tolerance motor |
| CN201813282U (en) * | 2010-09-29 | 2011-04-27 | 美的集团有限公司 | Single-phase capacitor running motor for variable speed fan |
| CN202167966U (en) * | 2010-09-21 | 2012-03-14 | 中山市港联华凯电器制品有限公司 | Direct current motor for decorating ceiling fan |
| CN202405886U (en) * | 2011-10-17 | 2012-08-29 | 黄石艾博科技发展有限公司 | Compressor AC motor stator core |
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2012
- 2012-12-10 CN CN2012105954977A patent/CN103051131A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1383250A (en) * | 2001-04-21 | 2002-12-04 | 德昌电机股份有限公司 | Dynamo |
| CN2694596Y (en) * | 2003-04-01 | 2005-04-20 | 赖国赐 | Motor automatic wire-bundling arrangement |
| CN2777829Y (en) * | 2004-12-29 | 2006-05-03 | 上海日立电器有限公司 | Film slot insulation structure for dividing iron core |
| CN101392799A (en) * | 2007-09-21 | 2009-03-25 | 富准精密工业(深圳)有限公司 | Seal structure of oilless bearing and fan using the oilless bearing seal structure |
| CN101414775A (en) * | 2008-12-02 | 2009-04-22 | 江苏大学 | Freestanding bi-convex-pole fault-tolerance motor |
| CN202167966U (en) * | 2010-09-21 | 2012-03-14 | 中山市港联华凯电器制品有限公司 | Direct current motor for decorating ceiling fan |
| CN201813282U (en) * | 2010-09-29 | 2011-04-27 | 美的集团有限公司 | Single-phase capacitor running motor for variable speed fan |
| CN202405886U (en) * | 2011-10-17 | 2012-08-29 | 黄石艾博科技发展有限公司 | Compressor AC motor stator core |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672306A (en) * | 2017-10-13 | 2019-04-23 | 丰田自动车株式会社 | The manufacturing method and rotary motor rotor of rotary motor rotor |
| US10916996B2 (en) | 2017-10-13 | 2021-02-09 | Toyota Jtdosha Kabushiki Kaisha | Method of manufacturing rotational electric machine rotor |
| CN109672306B (en) * | 2017-10-13 | 2021-02-26 | 丰田自动车株式会社 | Method for manufacturing rotor of rotating electric machine, and rotor of rotating electric machine |
| US11258341B2 (en) | 2017-10-13 | 2022-02-22 | Toyota Jidosha Kabushiki Kaisha | Rotational electric machine rotor |
| US11271460B2 (en) | 2017-10-13 | 2022-03-08 | Toyota Jidosha Kabushiki Kaisha | Method of manufacturing a rotational electric machine rotor |
| CN109025797A (en) * | 2018-08-14 | 2018-12-18 | 北京探矿工程研究所 | Transmission device is driven on rig top, rig top is driven and rig |
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Application publication date: 20130417 |