CN112087108A - Rare earth permanent magnet synchronous motor with absolute origin signal - Google Patents
Rare earth permanent magnet synchronous motor with absolute origin signal Download PDFInfo
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- CN112087108A CN112087108A CN202010964719.2A CN202010964719A CN112087108A CN 112087108 A CN112087108 A CN 112087108A CN 202010964719 A CN202010964719 A CN 202010964719A CN 112087108 A CN112087108 A CN 112087108A
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- rotor
- rare earth
- synchronous motor
- earth permanent
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to a rare earth permanent magnet synchronous motor with an absolute origin signal, which comprises: a housing, a stator and a rotor; a stator is arranged on the inner wall of the shell, an induction assembly is arranged on one side of the stator and comprises an original point magnetic ring and a magnetism isolating ring, and the original point magnetic ring is positioned on the outer side of the magnetism isolating ring; the original point magnetic ring comprises a first original point magnetic ring and a second original point magnetic ring, and the first original point magnetic ring and the second original point magnetic ring are concentrically sleeved; the rotor is arranged on the inner side of the shell along the axis direction, a plurality of grooves are formed in the outer wall of the rotor along the circumferential direction, permanent magnets are arranged in the grooves, and the grooves are parallel to the rotation center of the rotor.
Description
Technical Field
The invention relates to the field of motors, in particular to a rare earth permanent magnet synchronous motor with an absolute origin signal.
Background
The rare earth permanent magnet synchronous motor has starting torque and overload capacity higher than that of three-phase asynchronous motor by one power level, the ratio of maximum starting torque to rated torque can reach 3.6 times, while the normal asynchronous motor is only 1.6 times, the rare earth permanent magnet synchronous motor has no slip, the rotor has no fundamental iron and copper consumption, the rare earth permanent magnet synchronous motor is double-side excited, mainly the rotor is excited by permanent magnet, and the power factor can reach or approach 1.0. The improvement of the power factor saves reactive power on one hand, and on the other hand, the stator current is also reduced, the stator copper consumption is reduced, the efficiency is improved, the pole arc coefficient of the rare earth permanent magnet synchronous motor is generally larger than that of an asynchronous motor, and when the power supply voltage and the stator structure are fixed, the average magnetic induction intensity of the rare earth permanent magnet synchronous motor is smaller than that of the asynchronous motor, and the iron loss is small.
The rare earth permanent magnet synchronous motor has small constant loss (iron loss and mechanical loss), the variable loss (stator copper loss) changes slower than the variable loss (stator copper loss and rotor copper loss) of the asynchronous motor, so that the efficiency characteristic of the rare earth permanent magnet synchronous motor has the characteristic of high and flat efficiency, the rare earth permanent magnet synchronous motor has the highest efficiency in a quite wide area under light load, the rated efficiency of the rare earth permanent magnet synchronous motor is 4% -7% higher than that of the asynchronous motor, but the average efficiency in the whole load change range can be 12% higher than that of a three-phase asynchronous motor, and the reactive power saving rate can reach 85% by adopting the rare earth permanent magnet synchronous motor; the power saving rate of active power can reach 23-25%, the power saving effect is very obvious,
The existing rare earth permanent magnet synchronous motor is not provided with an original point magnetic ring capable of monitoring an absolute original point signal, the relative position between the outer rotor and the inner stator cannot be known through the original point magnetic ring, and further the precise control of the relative position between the rotor and the inner stator is difficult, the traditional rare earth permanent magnet synchronous motor only radiates heat in an air cooling mode, and the heat radiation performance is poor.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the rare earth permanent magnet synchronous motor with an absolute origin signal.
In order to achieve the purpose, the invention adopts the technical scheme that: a rare earth permanent magnet synchronous motor having an absolute origin signal, comprising: a housing, a stator and a rotor;
a stator is arranged on the inner wall of the shell, an induction assembly is arranged on one side of the stator and comprises an original point magnetic ring and a magnetism isolating ring, and the original point magnetic ring is positioned on the outer side of the magnetism isolating ring;
the original point magnetic ring comprises a first original point magnetic ring and a second original point magnetic ring, and the first original point magnetic ring and the second original point magnetic ring are concentrically sleeved;
the rotor is arranged on the inner side of the shell along the axis direction, a plurality of grooves are formed in the outer wall of the rotor along the circumferential direction, permanent magnets are arranged in the grooves, and the grooves are parallel to the rotation center of the rotor.
In a preferred embodiment of the present invention, the groove is disposed perpendicular to a radial direction of the rotor.
In a preferred embodiment of the invention, the outer wall of the rotor is provided with a plurality of cooling holes, the cooling holes can be ventilated, and the sizes of the plurality of cooling holes can be the same or different.
In a preferred embodiment of the present invention, an air gap is disposed between the stator and the rotor, and a cooling ring is disposed in the air gap.
In a preferred embodiment of the present invention, a plurality of cooling channels are disposed inside the cooling ring, and the plurality of cooling channels intersect and converge to a center in a divergent structure.
In a preferred embodiment of the present invention, the cooling oil or condensate can be injected into the cooling channel.
In a preferred embodiment of the present invention, the permanent magnet can be a rare earth permanent magnet, and a magnetic isolation plate is disposed between a plurality of the rare earth permanent magnets.
In a preferred embodiment of the present invention, the rotor is fixed to the central shaft, the central shaft is movably connected to the housing in the axial direction, and the central shaft is capable of rotating.
In a preferred embodiment of the present invention, the non-two or more pairs of permanent magnets comprise an even number of permanent magnets having two pairs of poles.
In a preferred embodiment of the present invention, the permanent magnet can be a rectangular parallelepiped, and the permanent magnet is a neodymium iron boron permanent magnet.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) through set up the cooling hole at the rotor outer wall and carry out the aeration cooling, can improve the heat dispersion of motor, reduce the temperature of rotor at rotatory in-process, reduce the weight of rotor simultaneously, can prevent the demagnetization phenomenon of permanent magnet when the high temperature, increase the stability of motor.
(2) An air gap is formed between the rotor and the stator, so that the rotor can be prevented from expanding due to temperature rise in the rotating process of the rotor, friction between the rotor and the stator can be prevented, and the running safety of the motor can be improved.
(3) Be provided with the cooling ring in the air gap, be provided with divergent formula cooling channel in the cooling ring, let in cooling oil or condensate in cooling channel, can realize high-efficient water-cooling, cooperate with the rotor air-cooling, improve cooling efficiency.
(4) Through the first original point magnetic ring and the second original point magnetic ring that cup joint, can real-time output mechanical angle be 360 degrees standard voltage square wave periodic signal, can real-time supervision rotor for the circumference position of stator, and then realize electric motor rotor location, improve the control accuracy.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic partial perspective view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing of the preferred embodiment of the present invention;
in the figure:
1. the magnetic field generator comprises a shell, 2, a fixing bolt hole, 3, a fixing piece, 4, a central shaft, 5, a rotor, 6, a stator, 7, a magnetism isolating ring, 8, an original point magnetic ring, 9, a cooling ring, 10, a cooling hole, 11 and a groove.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description, wherein the drawings are simplified schematic drawings and only the basic structure of the present invention is illustrated schematically, so that only the structure related to the present invention is shown, and it is to be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1-2, the invention discloses a schematic view of a local three-dimensional structure of a rare earth permanent magnet synchronous motor;
a rare earth permanent magnet synchronous motor having an absolute origin signal, comprising: a housing 1, a stator 6 and a rotor 5;
a stator 6 is arranged on the inner wall of the shell 1, an induction assembly is arranged on one side of the stator 6, the induction assembly comprises an original point magnetic ring 8 and a magnetism isolating ring 7, and the original point magnetic ring 8 is positioned on the outer side of the magnetism isolating ring 7;
the original point magnetic ring 8 comprises a first original point magnetic ring 8 and a second original point magnetic ring 8, and the first original point magnetic ring 8 and the second original point magnetic ring 8 are concentrically sleeved;
the rotor 5 is arranged on the inner side of the shell 1 along the axis direction, the outer wall of the rotor 5 is provided with a plurality of grooves 11 along the circumferential direction, permanent magnets are arranged inside the grooves 11, and the grooves 11 are parallel to the rotating center of the rotor 5.
It should be noted that, two fixing pieces 3 are arranged at one end of the casing 1, a fixing piece is arranged on the fixing piece 3, a pin hole is formed in the fixing piece and used for fixing the casing 1, a plurality of fixing bolt holes 2 are formed in one end of the casing 1 along the circumferential direction, the casing 1 is fixed by inserting bolts into the fixing bolt holes 2, and the two fixing modes are matched with each other to improve the fixing firmness of the casing 1. The first origin magnetic ring 8 and the second origin magnetic ring 8 which are sleeved can output standard voltage square wave periodic signals with a mechanical angle of 360 degrees in real time, the circumferential position of the rotor 5 relative to the stator 6 can be monitored in real time, further, the positioning of the motor rotor 5 is realized, the heat dissipation performance of the motor can be improved by arranging the cooling holes 10 on the outer wall of the rotor 5 for ventilation cooling, the temperature of the rotor 5 in the rotating process is reduced, the weight of the rotor 5 is reduced, the demagnetization phenomenon of a permanent magnet at high temperature can be prevented, the stability of the motor is improved, the permanent magnet and the origin magnetic ring 8 can be isolated by the magnetism isolating ring 7, the mutual influence between the permanent magnet and the origin magnetic ring 8 is avoided, the origin magnetic ring 8 can form a pair of north and south magnetic fields which are distributed in the radial direction by adopting a radiation magnetizing mode, a sensor is arranged on the origin magnetic ring 8, and the standard voltage square, the accuracy of the control can be improved.
According to an embodiment of the invention, the grooves 11 are arranged radially perpendicular to the rotor 5.
It should be noted that, by arranging the grooves 118 parallel to the rotation center of the rotor 53 and perpendicular to the radial direction of the rotor 53, such permanent magnet arrangement can obtain the optimal magnetic field distribution, which is beneficial to improving the operation efficiency of the motor.
According to the embodiment of the invention, the outer wall of the rotor 5 is provided with a plurality of cooling holes 10, the cooling holes 10 can be ventilated, and the sizes of the plurality of cooling holes 10 can be the same or different.
It should be noted that the size of the cooling holes 10 is distributed in a gradient along the length direction of the rotor 5, or the size of the cooling holes 10 is gradually reduced from the center of the rotor 5 to both ends.
According to the embodiment of the invention, an air gap is arranged between the stator 6 and the rotor 5, and a cooling ring 9 is arranged in the air gap.
A plurality of cooling channels are arranged in the cooling ring 9, and the plurality of cooling channels are intersected and converged to the center to form a divergent structure.
It should be noted that, be provided with cooling ring 9 in the air gap, cooling ring 9 is a plurality of, a plurality of cooling ring 9 are along rotor length direction interval distribution, certain distance has between the adjacent cooling ring 9, and the distance between the adjacent cooling ring 9 can be the same or different, can cool down the air gap in different regions through a plurality of cooling ring 9, the cooling effect is better, be provided with the formula of dispersing cooling channel in the cooling ring 9, let in cooling oil or condensate in cooling channel, can realize high-efficient water-cooling, cooperate with rotor 5 forced air cooling, improve cooling efficiency.
According to the embodiment of the invention, cooling oil or condensate can be flushed into the cooling channel.
According to the embodiment of the invention, the permanent magnet can be a rare earth permanent magnet, and a magnetic isolation plate is arranged among a plurality of rare earth permanent magnets.
The magnetic isolation plate can isolate magnetic interference between adjacent permanent magnets to prevent magnetic field disorder.
According to the embodiment of the invention, the rotor 5 is fixed on the central shaft 4, the central shaft 4 is movably connected in the axial direction of the shell 1, and the central shaft 4 can rotate.
According to the embodiment of the invention, the permanent magnet is an even number of permanent magnets with more than two pairs of poles and including two pairs of poles.
It should be noted that the permanent magnet can be two pairs of poles, four pairs of poles or six pairs of poles, but is not limited to these arrangements, and those skilled in the art can make routine adjustments according to actual use.
According to the embodiment of the invention, the permanent magnet can be in a cuboid structure, and the permanent magnet is a neodymium iron boron permanent magnet.
The neodymium iron boron permanent magnet is divided into sintered neodymium iron boron and bonded neodymium iron boron, and the bonded neodymium iron boron is magnetic in all directions and is corrosion-resistant; the sintered neodymium iron boron is easy to corrode, and the surface of the sintered neodymium iron boron needs to be plated with zinc, nickel, environment-friendly zinc, environment-friendly nickel, nickel copper nickel, environment-friendly nickel copper nickel and the like. The sintered neodymium iron boron is generally divided into axial magnetization and radial magnetization according to a required working surface, and the cuboid permanent magnet shape can enable the motor to obtain a high permanent magnet utilization rate and improve the motor efficiency.
In summary, the cooling holes 10 are formed in the outer wall of the rotor 5 for ventilation cooling, so that the heat dissipation performance of the motor can be improved, the temperature of the rotor 5 in the rotating process is reduced, meanwhile, the weight of the rotor 5 is reduced, the demagnetization phenomenon of the permanent magnet at high temperature can be prevented, the stability of the motor is improved, an air gap is formed between the rotor 5 and the stator 6, the expansion of the rotor 5 due to the temperature rise in the rotating process of the rotor 5 can be prevented, the friction between the rotor 5 and the stator 6 is prevented, and the running safety of the motor is improved.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A rare earth permanent magnet synchronous motor having an absolute origin signal, comprising: a housing, a stator and a rotor; it is characterized in that the preparation method is characterized in that,
a stator is arranged on the inner wall of the shell, an induction assembly is arranged on one side of the stator and comprises an original point magnetic ring and a magnetism isolating ring, and the original point magnetic ring is positioned on the outer side of the magnetism isolating ring;
the original point magnetic ring comprises a first original point magnetic ring and a second original point magnetic ring, and the first original point magnetic ring and the second original point magnetic ring are concentrically sleeved;
the rotor is arranged on the inner side of the shell along the axis direction, a plurality of grooves are formed in the outer wall of the rotor along the circumferential direction, permanent magnets are arranged in the grooves, and the grooves are parallel to the rotation center of the rotor.
2. A rare earth permanent magnet synchronous motor having an absolute origin signal according to claim 1, characterized in that: the groove is perpendicular to the radial direction of the rotor.
3. A rare earth permanent magnet synchronous motor having an absolute origin signal according to claim 1, characterized in that: the rotor outer wall is provided with a plurality of cooling holes, the cooling holes can ventilate, and a plurality of the cooling holes can be the same or different in size.
4. A rare earth permanent magnet synchronous motor having an absolute origin signal according to claim 1, characterized in that: an air gap is arranged between the stator and the inner side of the rotor, and a cooling ring is arranged in the air gap.
5. The rare earth permanent magnet synchronous motor with an absolute origin signal according to claim 4, characterized in that: the cooling ring is internally provided with a plurality of cooling channels, and the plurality of cooling channels are intersected and converged to the center to form a divergent structure.
6. The rare earth permanent magnet synchronous motor with an absolute origin signal according to claim 5, characterized in that: the cooling channel can be internally flushed with cooling oil or condensate.
7. A rare earth permanent magnet synchronous motor having an absolute origin signal according to claim 1, characterized in that: the permanent magnets can be rare earth permanent magnets, and magnetic isolation plates are arranged among the rare earth permanent magnets.
8. A rare earth permanent magnet synchronous motor having an absolute origin signal according to claim 1, characterized in that: the rotor is fixed on the central shaft, the central shaft is movably connected to the axis direction of the shell, and the central shaft can rotate.
9. A rare earth permanent magnet synchronous motor having an absolute origin signal according to claim 7, characterized in that: the permanent magnet is an even number of permanent magnets with more than two pairs of poles and two pairs of poles.
10. A rare earth permanent magnet synchronous motor having an absolute origin signal according to claim 9, characterized in that: the permanent magnet shape can be the cuboid structure, just the permanent magnet is neodymium iron boron permanent magnet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010964719.2A CN112087108B (en) | 2020-09-15 | 2020-09-15 | Rare earth permanent magnet synchronous motor with absolute origin signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964719.2A CN112087108B (en) | 2020-09-15 | 2020-09-15 | Rare earth permanent magnet synchronous motor with absolute origin signal |
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| CN112087108A true CN112087108A (en) | 2020-12-15 |
| CN112087108B CN112087108B (en) | 2022-05-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922540A (en) * | 2021-10-12 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor, control method and device thereof and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206865243U (en) * | 2017-05-27 | 2018-01-09 | 温岭市龙工电器配件厂（普通合伙） | A kind of stator and rotor sructure |
| FR3056353A1 (en) * | 2016-09-21 | 2018-03-23 | Institut Vedecom | VENTILATED ROTOR |
| CN208386261U (en) * | 2018-07-16 | 2019-01-15 | 青岛恩能机械有限公司 | A kind of permanent magnet direct driving motor |
| CN109962544A (en) * | 2017-12-25 | 2019-07-02 | 安徽明腾永磁机电设备有限公司 | A kind of rotor core and permasyn morot |
| CN110311514A (en) * | 2019-07-31 | 2019-10-08 | 重庆灵龙实业发展有限公司 | Outer rotor brushless motor with absolute origin signal |
| CN111641281A (en) * | 2019-03-01 | 2020-09-08 | 本田技研工业株式会社 | Rotor of rotating electric machine |
-
2020
- 2020-09-15 CN CN202010964719.2A patent/CN112087108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3056353A1 (en) * | 2016-09-21 | 2018-03-23 | Institut Vedecom | VENTILATED ROTOR |
| CN206865243U (en) * | 2017-05-27 | 2018-01-09 | 温岭市龙工电器配件厂（普通合伙） | A kind of stator and rotor sructure |
| CN109962544A (en) * | 2017-12-25 | 2019-07-02 | 安徽明腾永磁机电设备有限公司 | A kind of rotor core and permasyn morot |
| CN208386261U (en) * | 2018-07-16 | 2019-01-15 | 青岛恩能机械有限公司 | A kind of permanent magnet direct driving motor |
| CN111641281A (en) * | 2019-03-01 | 2020-09-08 | 本田技研工业株式会社 | Rotor of rotating electric machine |
| CN110311514A (en) * | 2019-07-31 | 2019-10-08 | 重庆灵龙实业发展有限公司 | Outer rotor brushless motor with absolute origin signal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922540A (en) * | 2021-10-12 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor, control method and device thereof and vehicle |
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| CN112087108B (en) | 2022-05-20 |
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