CN202309441U - High efficiency motor - Google Patents
High efficiency motor Download PDFInfo
- Publication number
- CN202309441U CN202309441U CN201120430848XU CN201120430848U CN202309441U CN 202309441 U CN202309441 U CN 202309441U CN 201120430848X U CN201120430848X U CN 201120430848XU CN 201120430848 U CN201120430848 U CN 201120430848U CN 202309441 U CN202309441 U CN 202309441U
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- stator
- rotor
- core
- housing
- stator core
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Abstract
The utility model relates to a high efficiency motor, comprising a housing, a stator core fixedly connected on the housing and a rotor core movably assembled on the housing. The stator core and the rotor core are respectively provided with stator grooves and rotor grooves, wherein the number of the stator grooves is 48 and the number of the rotor grooves is 44; the stator windings are connected in a mode of double layer laminated type winding and two paths are in delta connection; the pitch is 1-11; the length of the stator cores is 252 mm. Two layers of coils are winded in each stator groove and each layer of coils comprises 15 turns of coils; each turn of coils is winded by three leads with a diameter of 1.0mm. The utility model provides a 22kW high efficiency motor with a higher operating efficiency.
Description
Technical field
The utility model relates to machine field, relates in particular to the high-efficiency electric motor of a kind of 22KW.
Background technology
High efficiency motor is meant that universal standard type motor has high efficiency motor.High efficiency motor is to take measures from design, material and technology, for example adopts means such as rational stator and rotor groove number, fan parameter and winding mode to reduce the loss of motor, thereby improves the operating efficiency of motor.Along with China joined WTO, the great competition pressure and the challenge of the international community that China's electromechanics trade is faced increasingly sharpen, and the efficient that how can further improve high efficiency motor is a problem demanding prompt solution.
The efficient asynchronous machine of existing Y180L-4-22kW type comprises the rotor core that rotates assembling on the stator core that is connected on housing, the housing and the housing; Have stator slot on the stator core; Have rotor in the rotor core; The technical data of wherein corresponding iron core and winding has, and the number of stator slot is 48, and the number of rotor is 44; The stator winding connected mode is: double-deck lap winding, and two-way △ connects; Pitch 1-11; Stator core length 220mm; The stator coil number of turn: every groove 48 circles; Wire gauge: the naked footpath of double joint be 1.30mm lead and around.But the GB efficient of the efficient asynchronous machine of this Y180L-4-22kW type has only 91.5%, and stator current reaches 42.5A, remains further to be improved.
Summary of the invention
The purpose of the utility model is the 22kW high-efficiency electric motor that provides a kind of operating efficiency higher.
In order to address the above problem, the technical scheme of the utility model is:
High-efficiency electric motor comprises the rotor core that rotates assembling on the stator core that is connected on housing, the housing and the housing, offers stator slot and rotor on stator core and the rotor core respectively, and the number of wherein said stator slot is 48, and the number of rotor is 44; The stator winding connected mode is: two stacked windings, and two-way △ connects; Pitch: 1-11; The length of stator core is 252mm; All be wound with double-layer coil in described each stator slot, each coil layer includes 15 circle coils; Lead and winding that each circle coil is 1.0mm by three diameters become.
Gas length between said stator core and rotor core is 0.4mm.
Described stator core and rotor core are formed by a plurality of DR510-50,50WW600 or 50WW470 silicon steel sheet.
The beneficial effect of the utility model is: the utility model is through more reasonably adjusting the length of copper factor and stator core; Can reach 93.7% through the operating efficiency of adjusted 22kW high-efficiency electric motor is verified; Stator current is reduced to 40.03A, has improved the operating efficiency of existing 22kW type high-efficiency electric motor.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
The embodiment of high-efficiency electric motor is as shown in Figure 1: comprise the rotor core 3 that rotates assembling on the stator core 1 that is connected on housing (not shown), the housing and the housing, stator core 1 all has a plurality of DR510-50 (or 50WW600 or 50WW470) silicon steel sheet to be formed by stacking along the axial stratiform of rotor core 3 with rotor core 3.Offer stator slot 2 and rotor 4 on stator core 1 and the rotor core 3 respectively, the number of wherein said stator slot 2 is 48, and the number of rotor 4 is 44; The stator winding connected mode is: two stacked windings, and two-way △ connects; Pitch: 1 ~ 11; The length of stator core 1 is 252mm; All be wound with double-layer coil in described each stator slot 2, each coil layer includes 15 circle coils; Lead and winding that each circle coil is 1.0mm by three diameters become; The gas length that said stator core 1 and rotor core are 3 is 0.4mm.The silicon steel sheet that in other embodiment of the utility model, constitutes stator core 1 and rotor core 3 can also adopt performance than the better silicon steel sheet of DR510-50 type, such as DR450 or DR420.
To the efficient asynchronous motor experiment of this 22kW type the time, when fictitious load is complete year 143.3Nm, to compare with original motor, armature supply is reduced to 40.03A, and rotating speed is 1480r/min, and operating efficiency is increased to 93.7%, and power factor is 0.92.
Claims (3)
1. high-efficiency electric motor comprises the rotor core that rotates assembling on the stator core that is connected on housing, the housing and the housing, offers stator slot and rotor on stator core and the rotor core respectively, and the number of wherein said stator slot is 48, and the number of rotor is 44; The stator winding connected mode is: two stacked windings, and two-way △ connects; Pitch: 1-11; It is characterized in that: the length of stator core is 252mm; All be wound with double-layer coil in described each stator slot, each coil layer includes 15 circle coils; Lead and winding that each circle coil is 1.0mm by three diameters become.
2. high-efficiency electric motor according to claim 1 is characterized in that: the gas length between said stator core and rotor core is 0.4mm.
3. high-efficiency electric motor according to claim 1 is characterized in that: described stator core and rotor core are formed by a plurality of DR510-50,50WW600 or 50WW470 silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120430848XU CN202309441U (en) | 2011-11-03 | 2011-11-03 | High efficiency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120430848XU CN202309441U (en) | 2011-11-03 | 2011-11-03 | High efficiency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309441U true CN202309441U (en) | 2012-07-04 |
Family
ID=46378252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120430848XU Expired - Fee Related CN202309441U (en) | 2011-11-03 | 2011-11-03 | High efficiency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704715A (en) * | 2012-10-05 | 2015-06-10 | Abb技术有限公司 | Rotor structure and electrical machine |
-
2011
- 2011-11-03 CN CN201120430848XU patent/CN202309441U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104704715A (en) * | 2012-10-05 | 2015-06-10 | Abb技术有限公司 | Rotor structure and electrical machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131103 |