CN103312067A - Outer rotor permanent magnet generator magnetic pole structure and assembling method - Google Patents
Outer rotor permanent magnet generator magnetic pole structure and assembling method Download PDFInfo
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- CN103312067A CN103312067A CN2013101947127A CN201310194712A CN103312067A CN 103312067 A CN103312067 A CN 103312067A CN 2013101947127 A CN2013101947127 A CN 2013101947127A CN 201310194712 A CN201310194712 A CN 201310194712A CN 103312067 A CN103312067 A CN 103312067A
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Abstract
The invention discloses an outer rotor permanent magnet generator magnetic pole structure. The structure comprises a plurality of magnetic steels, wherein each magnetic steel is in a tile shape; the internal and external arc surfaces of the magnetic steels are processed into arc surfaces which correspond to the surface of an inner cavity of a hub; the two sides of the magnetic steels are processed into V-shaped diagonal planes; the longitudinal cross sections of the magnetic steels are parallelograms; the hub is formed by assembling front and rear half hubs; the magnetic pole structure further comprises a plurality of insulation check bars, wherein the two sides of each insulation check bar are processed into V-shaped diagonal planes; the insulation check bars are fixed on the surfaces of the inner cavities of the front and rear half hubs; the magnetic steels are embedded and fixed in grooves which are defined by every two adjacent insulation check bars and the surfaces of the inner cavities of the hubs; and the magnetic steels which are respectively embedded and fixed on the surfaces of the inner cavities of the front half hub and the rear half hub are symmetrically arranged in an inverse Y shape. The invention further discloses a magnetic pole assembling method. The magnetic pole structure and the assembling method have the advantages of low torque pulsation, small open circuit voltage fluctuation, low vibration noise, uniform air gap, convenience in process, reliable installation, high efficiency and the like.
Description
Technical field
The present invention relates to a kind of permanent magnet generator and assembly method, particularly relate to field structure and the assembly method thereof of external rotor permanent magnet generator.
Background technology
The direct-drive aerogenerator group is not used gearbox, but adopts straight drive blower and the multipole permanent-magnetic wind driven generator direct-coupling of low speed, and that can avoid that gearbox brings is many unfavorable.The direct-drive aerogenerator group possesses low noise, unit durability is high, volume is little, operation expense is low, the plurality of advantages such as high efficiency during low wind speed.
Existing permanent magnet wind power generator rotor magnet steel mainly contains two kinds of versions, i.e. surface-mount type and embedded.Surface-mount type mainly directly is adhered on the surface of internal cavity of permanent magnet generator wheel hub by magnet steel, is coated with sealing fixed again.Because permanent magnetism magnetic pole is larger, each magnetic pole forms by tens blocks of little magnet steel, therefore on the one hand bonding workload is larger, and the fixing reliability of bonding magnetic steel is also poor on the other hand, and can not fit with the inner chamber curved surfaces of wheel hub well in the magnet steel surface during bonding magnetic steel simultaneously.Embedded generally magnet steel being packaged in the magnetic pole box, each magnetic pole is box-packed the polylith magnet steel, and a plurality of magnetic pole boxes are axially fixed on the wheel hub holder along wheel hub; Since the magnetic pole box generally through punching press, rivet and be welded, be fixed on the wheel hub holder through voussoir again, cause so on the one hand mould process complicated, cause on the other hand assembling to waste time and energy, as reducing floating voltage and staring torque by the rotor magnetic pole skewed slot again, manufacture difficulty and cost are larger.
US Patent No. 7987579 B2 formerly, name is called the installation method that " Method for mounting permanent magnet that form magnet poles on the rotor of an electric machine " discloses a kind of external rotor permanent magnet generator magnetic pole magnet steel, this scheme adopts the magnet steel that will charge magnetic by fixing tool is installed, overcome the suction between magnet steel and rotor, repulsive force between magnet steel and magnet steel is installed the location with every block of magnet steel exactly.But this scheme installation effectiveness is lower, and the magnet steel breakage also easily occurs length consuming time, and the magnet steel owing to same polarity in the installation process repels each other simultaneously, and magnet steel easily flies out and hurts sb.'s feelings, and can't guarantee the uniformity of air gap simultaneously, easily causes the fluctuation of floating voltage.
Summary of the invention
The technical problem to be solved in the present invention provides that a kind of not only torque pulsation is low, the floating voltage fluctuation is little, vibrating noise is low and the air gap uniformity, and simple and compact for structure, easy to process, reliable external rotor permanent magnet generator magnetic pole structure is installed.Another technical problem that will solve of the present invention provides a kind of assembly method of external rotor permanent magnet generator magnetic pole.
For solving the problems of the technologies described above, the present invention adopts a kind of like this external rotor permanent magnet generator magnetic pole structure, comprise some blocks of magnet steel, described magnet steel is fixedly mounted in the inner chamber of permanent magnet generator wheel hub, every block of magnet steel all be have in, the tile shape of outer arcuate face, in the described magnet steel, the outer arcuate face is processed into and the corresponding arcwall face of wheel hub surface of internal cavity, the both sides processing forming V-shape scarf of described magnet steel, the longitudinal cross-section parallelogram of magnet steel, described wheel hub is by front, rear hub halves assembles, this field structure also comprises several strip insulation blend stops, the V-arrangement inclined-plane that matches with described magnet steel scarf is processed in the both sides of each insulation blend stop, before described insulation blend stop is fixedly mounted on along circumference of hub direction space certain distance, on the surface of internal cavity of rear hub halves, described magnet steel setting-in is fixed in the groove that adjacent two insulation blend stops and wheel hub surface of internal cavity surround, and setting-in is fixed on magnet steel on the first half wheel hub surface of internal cavity and setting-in and is fixed on magnet steel on the later half wheel hub surface of internal cavity and is herringbone and is symmetrical arranged.
Described wheel hub by forward and backward hub halves be bolted be assembled into as a whole, described insulation blend stop is fixedly mounted on the surface of internal cavity of forward and backward hub halves by screw, described magnet steel setting-in and in bonding agent is fixed on the groove that adjacent two insulation blend stops and wheel hub surface of internal cavity surround, the magnet steel surface outside being positioned at described groove is provided with the glass fiber layer of cloth that is coated with envelope by epoxy resin and curing agent.
Pole polarity at the magnet steel between adjacent two insulation blend stops on the forward and backward hub halves surface of internal cavity is identical; Pole polarity between the adjacent two blocks of magnet steel that separated by the insulation blend stop on the first half wheel hub surface of internal cavity is opposite, pole polarity between the adjacent two blocks of magnet steel that separated by the insulation blend stop on the later half wheel hub surface of internal cavity is opposite, and the pole polarity of described first half wheel hub upper magnetic steel is identical with the pole polarity of the symmetrically arranged later half wheel hub upper magnetic steel of its herringbone.
The invention provides a kind of method be used to assembling described external rotor permanent magnet generator magnetic pole, may further comprise the steps:
A, the magnet steel that will not magnetize on the surface of internal cavity of forward and backward hub halves, and adopt the insulation blend stop that the described magnet steel setting-in that does not magnetize is fixed on the surface of internal cavity of forward and backward hub halves by the herringbone symmetric arrays;
B, the described magnet steel that does not magnetize fixedly finished after, adopt magnet charger to the processing of magnetizing of the described magnet steel that does not magnetize.
The present invention is further comprising the steps of after the b step:
C, at the outer magnet steel surface laying glass wool cloth layer of groove that is positioned at adjacent two insulation blend stops and wheel hub surface of internal cavity and surrounds, the employing vacuum perfusion process also bonds and encapsulation process to the magnet steel that magnetizes by epoxy resin and curing agent.
The present invention is carrying out magnetizing of b step when processing, the pole polarity of the magnet steel between adjacent two insulation blend stops on the forward and backward hub halves surface of internal cavity is identical, pole polarity between the adjacent two blocks of magnet steel that separated by the insulation blend stop on the first half wheel hub surface of internal cavity is opposite, pole polarity between the adjacent two blocks of magnet steel that separated by the insulation blend stop on the later half wheel hub surface of internal cavity is opposite, the pole polarity of described first half wheel hub upper magnetic steel is identical with the pole polarity of the symmetrically arranged later half wheel hub upper magnetic steel of its herringbone.
After adopting above-mentioned field structure and assembly method, the present invention has following beneficial effect:
Field structure strict guarantee of the present invention the uniformity consistency of air gap, and have that the floating voltage consistency is good, torque pulsation is low, simple and compact for structure, easy to process and the plurality of advantages such as reliable are installed.The generator floating voltage is compared traditional structure and is reduced by 5%, and Current Control is convenient in the reduction of electromagnetic torque pulsation on the one hand, improves control precision, has also reduced on the other hand vibration and the noise of motor.
Pole polarity between the adjacent two blocks of magnet steel that separated by the insulation blend stop on the first half wheel hub surface of internal cavity is opposite, pole polarity between the adjacent two blocks of magnet steel that separated by the insulation blend stop on the later half wheel hub surface of internal cavity is opposite, and the pole polarity of described first half wheel hub upper magnetic steel is identical with the pole polarity of the symmetrically arranged later half wheel hub upper magnetic steel of its herringbone.Adopt such structure, can make that the torque pulsation of motor and vibrating noise are lower, the floating voltage fluctuation is less.
In the scheme of traditional fixing magnet steel of first magnet steel being magnetized again, because each magnetic pole all is comprised of tens blocks of magnet steel, need with the bonding magnetic steel frock every block of magnet steel to be installed fix in position, cause inefficiency, generally be made of several thousand blocks of magnet steel for the high-power permanent magnet motor magnetic pole, magnetic pole is in place needs tens days time, and the situation of magnet steel breakage also easily occurs, magnet steel owing to same polarity in the installation process repels each other simultaneously, and the danger that magnet steel flies out and hurts sb.'s feelings easily occurs.And the magnet steel that the present invention will not magnetized first is fixed on the wheel hub surface of internal cavity, the whole assembly method that magnetizes has improved operating efficiency on the one hand greatly again, whenever fill a magnetic pole and only need a few minutes, magneto for high-power tens utmost points can be finished in one day, the stability that magnetizes simultaneously is high, and is convenient to the rear magnetic pole magnetic flux that magnetizes is detected, and guarantees the consistency of magnetic flux, also cracky not of magnet steel on the other hand, and effectively avoided same polarity magnet steel in the installation process to repel each other flying out the generation of casualty accident.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is a kind of structural representation of external rotor permanent magnet generator magnetic pole structure of the present invention.
Fig. 2 is that insulation blend stop and magnet steel are installed in a kind of structural representation on the first half wheel hub surface of internal cavity.
Fig. 3 is the enlarged diagram at I place among Fig. 2.
Fig. 4 is a kind of generalized section of first half wheel hub among the present invention.
Fig. 5 is a kind of generalized section of later half wheel hub among the present invention.
Fig. 6 is a kind of generalized section when forward and backward half wheel hub is bolted the whole wheel hub of formation among the present invention.
Fig. 7 is a kind of schematic perspective view of magnet steel among the present invention.
Fig. 8 is that the master of magnet steel among Fig. 7 looks schematic diagram.
Fig. 9 is along the generalized section of A-A line among Fig. 8.
Figure 10 is the elevational schematic view of magnet steel among Fig. 7.
Figure 11 is that the master of insulation blend stop among the present invention looks schematic diagram.
Figure 12 is the elevational schematic view of insulation blend stop among Figure 11.
Figure 13 is the schematic side view of insulation blend stop among Figure 11.
Figure 14 is a kind of scheme of installation of insulation blend stop and magnet steel.
Embodiment
Referring to Fig. 1 to a kind of external rotor permanent magnet generator magnetic pole structure shown in Figure 14, comprise some blocks of magnet steel 1, described magnet steel 1 is fixedly mounted in the inner chamber of permanent magnet generator wheel hub 2, every block of magnet steel 1 all be have in, outer arcuate face 1-1, the tile shape of 1-2, in the described magnet steel 1, outer arcuate face 1-1,1-2 is processed into and the corresponding arcwall face of wheel hub 2 surface of internal cavity, the both sides processing forming V-shape scarf 1-3 of described magnet steel 1, the longitudinal cross-section parallelogram of magnet steel 1, described wheel hub 2 is by front, rear hub halves 2-1,2-2 assembles, this field structure also comprises the insulation blend stop 3 that several strips are processed by insulating material, the V-arrangement inclined-plane 3-1 that matches with described magnet steel 1 scarf is processed in the both sides of each insulation blend stop 3, before described insulation blend stop 3 is fixedly mounted on along wheel hub 2 circumferencial direction space certain distances, rear hub halves 2-1, on the surface of internal cavity of 2-2, described magnet steel 1 setting-in is fixed in the groove that adjacent two insulation blend stops 3 and wheel hub 2 surface of internal cavity surround, and setting-in is fixed on magnet steel 1 and setting-in on the first half wheel hub 2-1 surface of internal cavity and is fixed on magnet steel 1 on the later half wheel hub 2-2 surface of internal cavity and is herringbone and is symmetrical arranged.In the present invention, the inside and outside arcwall face 1-1 of magnet steel 1,1-2 are processed into and wheel hub 2 surface of internal cavity, the stator outer surface size with radian, thus strict guarantee the uniformity consistency of air gap.
As shown in Figure 6, by forward and backward hub halves 2-1,2-2 assembles by bolt 4 becomes an Integral hub 2, namely forms generator amature.Because forward and backward hub halves 2-1,2-2 can separate independent mounting magnetic steel 1 and insulation blend stop 3, have therefore greatly improved operating efficiency.Shown in Fig. 1～3 and Figure 11～13, each insulation blend stop 3 is processed with four equidistant countersunk head through hole 3-2, described insulation blend stop 3 is fixedly mounted on forward and backward hub halves 2-1 by the soket head cap screw 5 that passes described countersunk head through hole 3-2, on the surface of internal cavity of 2-2, adding man-hour, be processed with the radially screw suitable with described screw 5 at wheel hub 2 surface of internal cavity, not shown in the figures.As Fig. 2,3 and Fig. 4～6 shown in, described magnet steel 1 setting-in and in bonding agent is fixed on the groove that adjacent two insulation blend stops 3 and wheel hub 2 surface of internal cavity surround, magnet steel 1 surface outside being positioned at described groove is provided with the glass fiber layer of cloth 6 that is coated with envelope by epoxy resin and curing agent.In the present invention, because the conjunction surface that mutually coincide is processed in the both sides of insulation blend stop 3 and magnet steel 1, magnet steel 1 setting-in and in bonding agent is fixed on described groove, glass fiber layer of cloth 6 connects into all magnet steel 1 as a whole, therefore guaranteed that rotor is under the state of running up, magnet steel can be fixed reliably, stable and reliable working performance.
As shown in Figure 1, at forward and backward hub halves 2-1, the pole polarity of the magnet steel 1 on the 2-2 surface of internal cavity between adjacent two insulation blend stops 3 is identical, and for example the magnet steel 1 between adjacent two insulation blend stops 3 all is the N utmost point or all is the S utmost point.Pole polarity between the adjacent two blocks of magnet steel 1 that separated by insulation blend stop 3 on the first half wheel hub 2-1 surface of internal cavity is opposite, and when blend stop 3 left sides of for example insulating were the N utmost point, then the right was the S utmost point.Pole polarity between the adjacent two blocks of magnet steel 1 that separated by insulation blend stop 3 on the later half wheel hub 2-2 surface of internal cavity is opposite, and when blend stop 3 left sides of for example insulating were the N utmost point, then the right was the S utmost point.The pole polarity of described first half wheel hub 2-1 upper magnetic steel 1 is identical with the pole polarity of the symmetrically arranged later half wheel hub 2-2 upper magnetic steel 1 of its herringbone, when first half wheel hub 2-1 upper magnetic steel 1 as shown in Figure 1 is the N utmost point, also be the N utmost point with the symmetrically arranged later half wheel hub 2-2 upper magnetic steel 1 of its herringbone then, vice versa.Adopt such structure, can make that the torque pulsation of motor and vibrating noise are lower, the floating voltage fluctuation is less.
The present invention also provides a kind of method be used to assembling described external rotor permanent magnet generator magnetic pole, may further comprise the steps:
A, the magnet steel 1 that will not magnetize at forward and backward hub halves 2-1, on the surface of internal cavity of 2-2, and adopt insulation blend stop 3 that the described magnet steel that does not magnetize 1 setting-in is fixed on forward and backward hub halves 2-1, on the surface of internal cavity of 2-2 by the herringbone symmetric arrays;
B, the described magnet steel that does not magnetize 1 fixedly finished after, adopt magnet charger to the processing of magnetizing of the described magnet steel that does not magnetize 1.
The present invention preferably includes following steps after the b step:
C, lay glass wool cloth layer 6 being positioned at outer magnet steel 1 surface of groove that adjacent two insulation blend stops 3 and wheel hub 2 surface of internal cavity surround, then adopt the vacuum perfusion process of routine and by epoxy resin and curing agent the magnet steel 1 that magnetizes is bondd and encapsulation process.
The present invention is carrying out magnetizing of b step when processing, before preferably inciting somebody to action, rear hub halves 2-1, the pole polarity of the magnet steel 1 on the 2-2 surface of internal cavity between adjacent two insulation blend stops 3 is identical, pole polarity between the adjacent two blocks of magnet steel 1 that separated by insulation blend stop 3 on the first half wheel hub 2-1 surface of internal cavity is opposite, pole polarity between the adjacent two blocks of magnet steel 1 that separated by insulation blend stop 3 on the later half wheel hub 2-2 surface of internal cavity is opposite, the pole polarity of described first half wheel hub 2-1 upper magnetic steel 1 is identical with the pole polarity of the symmetrically arranged later half wheel hub 2-2 upper magnetic steel 1 of its herringbone.The present invention is when assembling, and at forward and backward hub halves 2-1, the magnet steel 1 that do not magnetize on the 2-2 surface of internal cavity magnetizes to each magnetic pole fast by magnet charger after installing respectively and fixedly finishing, thereby has guaranteed polarity and the effect that magnetizes.Magnetize finish after, forward and backward hub halves 2-1,2-2 connect by bolt 4 can become an Integral hub 2, namely forms generator amature.
Field structure of the present invention, simple in structure, easy to process on the one hand, shortened man-hour, improved operating efficiency, air gap is even on the other hand, and torque pulsation is low, and the floating voltage fluctuation is little, and control is simple, and vibrating noise is low.
Claims (6)
1. external rotor permanent magnet generator magnetic pole structure, comprise some blocks of magnet steel (1), described magnet steel (1) is fixedly mounted in the inner chamber of permanent magnet generator wheel hub (2), it is characterized in that: every block of magnet steel (1) all be have in, outer arcuate face (1-1, tile shape 1-2), in the described magnet steel (1), outer arcuate face (1-1,1-2) be processed into and the corresponding arcwall face of wheel hub (2) surface of internal cavity, the both sides processing forming V-shape scarf (1-3) of described magnet steel (1), the longitudinal cross-section parallelogram of magnet steel (1), described wheel hub (2) is by front, rear hub halves (2-1,2-2) assemble, this field structure also comprises several strip insulation blend stops (3), the V-arrangement inclined-plane (3-1) that matches with described magnet steel (1) scarf is processed in the both sides of each insulation blend stop (3), before described insulation blend stop (3) is fixedly mounted on along wheel hub (2) circumferencial direction space certain distance, rear hub halves (2-1, on surface of internal cavity 2-2), described magnet steel (1) setting-in is fixed in the groove that adjacent two insulation blend stops (3) surround with wheel hub (2) surface of internal cavity, and setting-in is fixed on magnet steel (1) and setting-in on first half wheel hub (2-1) surface of internal cavity and is fixed on magnet steel (1) on later half wheel hub (2-2) surface of internal cavity and is herringbone and is symmetrical arranged.
2. external rotor permanent magnet generator magnetic pole structure according to claim 1, it is characterized in that: described wheel hub (2) is by front, rear hub halves (2-1,2-2) assemble into as a whole by bolt (4), before described insulation blend stop (3) is fixedly mounted on by screw (5), rear hub halves (2-1, on surface of internal cavity 2-2), described magnet steel (1) setting-in and in bonding agent is fixed on the groove that adjacent two insulation blend stops (3) surround with wheel hub (2) surface of internal cavity, the magnet steel outside being positioned at described groove (1) surface is provided with the glass fiber layer of cloth (6) that is coated with envelope by epoxy resin and curing agent.
3. external rotor permanent magnet generator magnetic pole structure according to claim 1 and 2 is characterized in that: the pole polarity at the magnet steel (1) between adjacent two insulation blend stops (3) on forward and backward hub halves (2-1, the 2-2) surface of internal cavity is identical; Pole polarity between the adjacent two blocks of magnet steel (1) that separated by insulation blend stop (3) on first half wheel hub (2-1) surface of internal cavity is opposite, pole polarity between the adjacent two blocks of magnet steel (1) that separated by insulation blend stop (3) on later half wheel hub (2-2) surface of internal cavity is opposite, and the pole polarity of described first half wheel hub (2-1) upper magnetic steel (1) is identical with the pole polarity of the symmetrically arranged later half wheel hub of its herringbone (2-2) upper magnetic steel (1).
4. method that is used for the described external rotor permanent magnet generator magnetic pole of assembling claim 1 is characterized in that: may further comprise the steps:
A, the magnet steel (1) that will not magnetize are pressed the herringbone symmetric arrays at forward and backward hub halves (2-1, on surface of internal cavity 2-2), and adopt insulation blend stop (3) that the described magnet steel that does not magnetize (1) setting-in is fixed on the surface of internal cavity of forward and backward hub halves (2-1,2-2);
B, the described magnet steel that does not magnetize (1) fixedly finished after, adopt magnet charger to the described magnet steel that does not magnetize (1) processing of magnetizing.
5. assembly method according to claim 4 is characterized in that: further comprising the steps of after the b step:
C, at outer magnet steel (1) the surface laying glass wool cloth layer (6) of groove that is positioned at adjacent two insulation blend stops (3) and surrounds with wheel hub (2) surface of internal cavity, the employing vacuum perfusion process also bonds and encapsulation process to the magnet steel (1) that magnetizes by epoxy resin and curing agent.
6. according to claim 4 or 5 described assembly methods, it is characterized in that: carrying out magnetizing of b step when processing, before inciting somebody to action, rear hub halves (2-1,2-2) pole polarity of the magnet steel (1) between adjacent two insulation blend stops (3) is identical on the surface of internal cavity, pole polarity between the adjacent two blocks of magnet steel (1) that separated by insulation blend stop (3) on first half wheel hub (2-1) surface of internal cavity is opposite, with opposite by the pole polarity between adjacent two blocks of magnet steel (1) of separating of insulation blend stop (3) on later half wheel hub (2-2) surface of internal cavity, that the pole polarity of the symmetrically arranged later half wheel hub of pole polarity and its herringbone (2-2) upper magnetic steel (1) of described first half wheel hub (2-1) upper magnetic steel (1) is identical.
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| CN104158373A (en) * | 2014-08-21 | 2014-11-19 | 江西工埠机械有限责任公司 | External rotor motor |
| CN104158325A (en) * | 2014-08-21 | 2014-11-19 | 江西工埠机械有限责任公司 | Permanent magnet installation structure of external rotor motor |
| CN104362813A (en) * | 2014-12-08 | 2015-02-18 | 上海电气集团上海电机厂有限公司 | Magnetic steel mounting method for 50kW ultrahigh permanent magnet generator rotor |
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| WO2016026214A1 (en) * | 2014-08-21 | 2016-02-25 | 江西工埠机械有限责任公司 | Low speed and high torque electric motor outer rotor, electric motor and related crane |
| CN104158373B (en) * | 2014-08-21 | 2017-06-13 | 江西工埠机械有限责任公司 | External rotor electric machine |
| CN104362813B (en) * | 2014-12-08 | 2017-03-22 | 上海电气集团上海电机厂有限公司 | Magnetic steel mounting method for 50kW ultrahigh permanent magnet generator rotor |
| CN104362813A (en) * | 2014-12-08 | 2015-02-18 | 上海电气集团上海电机厂有限公司 | Magnetic steel mounting method for 50kW ultrahigh permanent magnet generator rotor |
| CN104362814A (en) * | 2014-12-08 | 2015-02-18 | 上海电气集团上海电机厂有限公司 | Magnetic steel mounting tool of 50kW ultrahigh-speed permanent magnet generator rotor |
| CN104362814B (en) * | 2014-12-08 | 2017-01-25 | 上海电气集团上海电机厂有限公司 | Magnetic steel mounting tool of 50kW ultrahigh-speed permanent magnet generator rotor |
| CN105048677A (en) * | 2015-08-31 | 2015-11-11 | 永济新时速电机电器有限责任公司 | Direct-driven permanent-magnet rotor having magnetic steel component based structure |
| CN105553144A (en) * | 2015-12-23 | 2016-05-04 | 北京金风科创风电设备有限公司 | Rotor magnetic pole fixing method and rotor |
| CN106787319A (en) * | 2016-12-29 | 2017-05-31 | 北京金风科创风电设备有限公司 | Rotor magnetic steel fixing structure and method |
| CN106787319B (en) * | 2016-12-29 | 2019-10-25 | 北京金风科创风电设备有限公司 | Rotor magnetic steel fixing structure and method |
| CN110235340A (en) * | 2017-01-31 | 2019-09-13 | 西门子股份公司 | The manufacturing method and method for dismounting of the rotating electric machine of permanent-magnet-field |
| CN112054614A (en) * | 2019-06-06 | 2020-12-08 | 北京金风科创风电设备有限公司 | Whole-pole magnetic pole module and rotor for permanent magnet motor |
| EP3780354A4 (en) * | 2019-06-06 | 2021-06-09 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Magnetic pole module and rotor used for permanent magnetic motor |
| CN112054614B (en) * | 2019-06-06 | 2022-12-27 | 北京金风科创风电设备有限公司 | Whole-pole magnetic pole module and rotor for permanent magnet motor |
| US11888369B2 (en) | 2019-06-06 | 2024-01-30 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Magnetic pole module and rotor for permanent magnet generator |
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Effective date of registration: 20160825 Address after: 213166 Jiangsu province Changzhou Fenglin Wujin high tech Industrial Development Zone, Road No. 199 Patentee after: Xin Yu track traffic Science and Technology Ltd. Address before: 213164 Jiangsu city of Changzhou province were Wujin high tech Industrial Development Zone, Road No. 68 Patentee before: New United Group Co., Ltd. Patentee before: Jiangsu Changqian Motor Co., Ltd. |
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Denomination of invention: Outer rotor permanent magnet generator magnetic pole structure and assembling method Effective date of registration: 20191111 Granted publication date: 20160420 Pledgee: New United Group Co., Ltd. Pledgor: Xin Yu track traffic Science and Technology Ltd. Registration number: Y2019980000550 |
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