CN2722495Y - Inductive motor with external and internal rotors - Google Patents
Inductive motor with external and internal rotors Download PDFInfo
- Publication number
- CN2722495Y CN2722495Y CN 200420070230 CN200420070230U CN2722495Y CN 2722495 Y CN2722495 Y CN 2722495Y CN 200420070230 CN200420070230 CN 200420070230 CN 200420070230 U CN200420070230 U CN 200420070230U CN 2722495 Y CN2722495 Y CN 2722495Y
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- stator
- rotor
- external
- left end
- internal
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Abstract
The utility model provides an inductive motor with external and internal rotors. The utility model aims at the difficulty of further increasing the efficiency and power factors and discloses the inductive motor with external and internal rotors, comprising an internal rotor, a shaft and an engine base. Wherein, the left end of a centre shaft is sequentially provided with a bearing and a left end cap, and the right end is sequentially provided with a bearing and a right end cap. The middle part of the shaft is sequentially provided with an internal rotor, a stator, an external rotor and an external rotor sleeve. One end of the stator is provided with a connecter which is connected with the left end cap. One end of the external rotor sleeve is provided with a screw. The screw is connected with a rotating member fixed on the shaft. A stator system structure is composed of the left end cap, the connecter, the stator and the engine base. A rotor system structure is composed of the shaft, the internal rotor, the external rotor, the external rotor sleeve, the screw and the rotating member. Wherein, the internal circle wall and the external circle wall are provided with channels for arranging winding coils. Coils are winded in the channels on internal and external walls. Thus, numbers of relative pole pairs are formed. Compared with the prior, the efficiency and the power factor of the inductive motor are higher.
Description
Technical field
The utility model relates to a kind of induction machine, especially about having the induction machine of inner and outer rotors.
Background technology
At present, commercially available induction machine is made up of stator, rotor, support, be widely used in the industrial and agricultural production, be its energy index, as the raising of efficient and power factor, produce obvious energy-saving effect, adopt the high-performance electromagnetic material usually, or adopt optimisation technique to carry out the motor optimal design, yet the effect of above-mentioned measure and not obvious.
Summary of the invention
At above-mentioned weak point, the purpose of this utility model be to provide that a kind of volume is little, power output is big, efficient and the high inner-outer birotor induction machine of power factor.
The technical scheme in the invention for solving the technical problem is: it includes internal rotor, axle, support, its axis left end is fitted with bearing and left end cap successively, right-hand member is fitted with bearing and right end cap successively, the axle middle part vertically is fitted with internal rotor successively, stator, external rotor and external rotor cover, stator one end is provided with connector, this part links to each other with left end cap, external rotor overlaps an end and is provided with screw, this nail revolving part last with being fixed on axle links to each other, left end cap, connector, stator, support is formed the stator system structure altogether, axle, internal rotor, external rotor, the external rotor cover, screw, revolving part is formed the rotor-support-foundation system structure altogether, wherein have the groove that is used to install winding coil on stator inner round wall and the cylindrical wall, wound coil in the groove on inside and outside wall constitutes corresponding number of pole-pairs.
The beneficial effects of the utility model are: the excitation reactance of motor is big, and works as motor pole number more after a little while, and the end of motor stator winding is shorter, and the resistance and the leakage reactance of winding are little, and efficient and power factor are higher, are particularly suitable for few number of poles motor.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1: be the utility model structural principle schematic diagram;
Fig. 2: be Fig. 1 winding wiring schematic diagram;
Fig. 3: be rotor sectional schematic diagram among Fig. 1;
Fig. 4: be the utility model motor magnetic line of force distribution schematic diagram.
Among the figure, 1 bearing cap, 2 nuts, packing ring, 3 bearings, 4 left end caps, 5 external rotors, 6 stators, 7 external rotor covers, 8 revolving parts, 9 sieve bars, nut, 10 right end caps, 11 fans, 12 back-up rings, 13 fan housings, 14 supports, 15 internal rotors, 16,17 connectors, 18 screws, 19 grooves, 20 coils.
Embodiment
By Fig. 1～4 as can be known its execution mode be: it comprises internal rotor 15, axle 16, support 14, its axis 16 left ends are fitted with bearing 3 and left end cap 4 successively, right-hand member is fitted with bearing 3 and right end cap 10 successively, axle 16 middle parts vertically are fitted with internal rotor 15 successively, stator 6, external rotor 5 and external rotor cover 7, stator 6 one ends are provided with connector 17, this part links to each other with left end cap 4, external rotor overlaps 7 one ends and is provided with screw 18, this nail be fixed on the revolving part 8 of axle on 16 and link to each other, left end cap 4, connector 17, stator 6, support 14 is formed the stator system structure altogether, axle 16, internal rotor 15, external rotor 5, external rotor cover 7, screw 18, revolving part 8 is formed the rotor-support-foundation system structure altogether, wherein have the groove 19 that is used to install winding coil 20 on stator 6 inner round wall and the cylindrical wall, wound coil 20 in the groove 19 on inside and outside wall constitutes corresponding number of pole-pairs; During assembling stator 6 three phase windings according to certain rules as the solenoid coil uniform winding in the groove of stator surfaces externally and internally, inside and outside the cartridge type stator core of garden, be placed with inside and outside two cage-type rotors respectively, have air gap to exist between the rotor.Stator is fixed on the support, and inner and outer rotors is fixed on simultaneously in the rotating shaft and rotates to drag load, between stationary parts and the rotatable parts bearing is arranged.Three-phase stator winding distributes in stator core symmetrically.Its operation principle is:
When the stator three-phase symmetric winding passes to the three-phase symmetrical current, can produce circular rotating field, its main flux is divided into two-way and strides across inside and outside air gap and enter rotor core, because magnetic field rotates, cut inner and outer rotors cage bar respectively so stride across the magnetic flux of inside and outside air gap, thereby in inside and outside cage bar, produce induced electromotive force respectively, and then produce electric current and corresponding electromagnetic torque respectively.Inside and outside rotor is common drive load rotation under the effect of electromagnetic torque.
Claims (1)
1, a kind of inner-outer birotor induction machine, it includes internal rotor, axle, support, it is characterized in that a left end is fitted with bearing and left end cap successively, right-hand member is fitted with bearing and right end cap successively, the axle middle part vertically is fitted with internal rotor successively, stator, external rotor and external rotor cover, stator one end is provided with connector, this part links to each other with left end cap, external rotor overlaps an end and is provided with screw, this nail revolving part last with being fixed on axle links to each other, left end cap, connector, stator, support is formed the stator system structure altogether, axle, internal rotor, external rotor, the external rotor cover, screw, revolving part is formed the rotor-support-foundation system structure altogether, wherein has the groove that is used to install winding coil on stator inner round wall and the cylindrical wall, wound coil in the groove on inside and outside wall constitutes corresponding number of pole-pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420070230 CN2722495Y (en) | 2004-08-11 | 2004-08-11 | Inductive motor with external and internal rotors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420070230 CN2722495Y (en) | 2004-08-11 | 2004-08-11 | Inductive motor with external and internal rotors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2722495Y true CN2722495Y (en) | 2005-08-31 |
Family
ID=35012865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420070230 Expired - Fee Related CN2722495Y (en) | 2004-08-11 | 2004-08-11 | Inductive motor with external and internal rotors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2722495Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100438278C (en) * | 2006-09-14 | 2008-11-26 | 湖南大学 | Combined type motor |
| CN101873041A (en) * | 2010-07-19 | 2010-10-27 | 邓传义 | Coaxial double-rotor permanent magnet direct current motor |
| CN101882847A (en) * | 2010-07-19 | 2010-11-10 | 邓传义 | Coaxial birotor permanent magnetic alternating current motor |
| CN101098099B (en) * | 2006-06-27 | 2011-11-16 | 通用电气公司 | Electrical machine with improved winding |
| CN103647378A (en) * | 2013-11-21 | 2014-03-19 | 北京信息科技大学 | A birotor wheel hub electric automobile motor |
| CN103929026A (en) * | 2013-01-16 | 2014-07-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet motor |
-
2004
- 2004-08-11 CN CN 200420070230 patent/CN2722495Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101098099B (en) * | 2006-06-27 | 2011-11-16 | 通用电气公司 | Electrical machine with improved winding |
| CN100438278C (en) * | 2006-09-14 | 2008-11-26 | 湖南大学 | Combined type motor |
| CN101873041A (en) * | 2010-07-19 | 2010-10-27 | 邓传义 | Coaxial double-rotor permanent magnet direct current motor |
| CN101882847A (en) * | 2010-07-19 | 2010-11-10 | 邓传义 | Coaxial birotor permanent magnetic alternating current motor |
| CN103929026A (en) * | 2013-01-16 | 2014-07-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet motor |
| CN103929026B (en) * | 2013-01-16 | 2016-01-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Magneto |
| CN103647378A (en) * | 2013-11-21 | 2014-03-19 | 北京信息科技大学 | A birotor wheel hub electric automobile motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |