CN117559689B - Built-in motor magnetic field adjusting system - Google Patents
Built-in motor magnetic field adjusting system Download PDFInfo
- Publication number
- CN117559689B CN117559689B CN202410044154.4A CN202410044154A CN117559689B CN 117559689 B CN117559689 B CN 117559689B CN 202410044154 A CN202410044154 A CN 202410044154A CN 117559689 B CN117559689 B CN 117559689B
- Authority
- CN
- China
- Prior art keywords
- magnetic steel
- passage
- movable magnetic
- shaft
- end plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 126
- 239000010959 steel Substances 0.000 claims abstract description 126
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a built-in motor magnetic field adjusting system, and relates to the field of motors. The technical scheme is characterized by comprising a rotor core, wherein a plurality of magnetic steel components are arranged in the rotor core along the circumferential direction, and each magnetic steel component comprises fixed magnetic steel and movable magnetic steel; the adjusting component is used for controlling the movable magnetic steel to rotate, so that an included angle between the magnetizing direction of the movable magnetic steel and the magnetizing direction of the fixed magnetic steel is adjusted. According to the invention, the magnetizing direction of the fixed magnetic steel is fixed, and the magnetizing direction of the movable magnetic steel can be adjusted through rotation, so that the magnetic field adjustment can be realized through the movable magnetic steel; the magnetic field adjustment is realized by rotating the movable magnetic steel in an adjusting mode, so that the magnetic field adjustment is simpler, and the risk of demagnetizing the magnetic steel can be effectively reduced while the energy consumption is reduced.
Description
Technical Field
The invention relates to the field of motors, in particular to a built-in motor magnetic field adjusting system.
Background
In the field of new energy automobiles, the motor has the requirements of low speed, large torque and large speed regulation range for a driving motor. In order to realize a large-interval speed regulation range, the current phase of a stator of the conventional built-in permanent magnet motor can be regulated to weaken a permanent magnet excitation field, so that the effect of weak magnetic acceleration is achieved. However, the stator current phase is adjusted to achieve the effect of weakening magnetism and regulating speed, accurate control of a controller is needed, the control process is complex, and the magnetic steel is demagnetized due to a certain risk.
Therefore, how to perform magnetic field adjustment more simply and avoid demagnetization of the magnetic steel is a problem to be solved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a built-in motor magnetic field adjusting system, wherein the magnetizing direction of fixed magnetic steel is fixed, and the magnetizing direction of movable magnetic steel can be adjusted through rotation, so that the magnetic field adjustment can be realized through the movable magnetic steel; the magnetic field adjustment is realized by rotating the movable magnetic steel in an adjusting mode, so that the magnetic field control is simpler; compared with the speed regulation by the stator weak current alone, the invention can reduce energy consumption, improve the efficiency of the motor in a high-speed operation interval to a certain extent, and effectively reduce the risk of demagnetizing the magnetic steel.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a built-in motor magnetic field regulation system comprising:
the rotor comprises a rotor core, wherein a plurality of magnetic steel components are arranged in the rotor core along the circumferential direction, and each magnetic steel component comprises fixed magnetic steel and movable magnetic steel;
the adjusting component is used for controlling the movable magnetic steel to rotate, so that an included angle between the magnetizing direction of the movable magnetic steel and the magnetizing direction of the fixed magnetic steel is adjusted.
Further, the movable magnetic steel is cylindrical and is magnetized in parallel along the radial direction of the movable magnetic steel.
Further, the movable magnetic steel is located at the outer side of the fixed magnetic steel along the radial direction of the rotor core.
Further, the magnetic steel assembly comprises two movable magnetic steels respectively arranged at two circumferential sides of the fixed magnetic steel.
Further, the system comprises two adjusting components, wherein the two adjusting components are respectively used for controlling the two movable magnetic steels to rotate.
Further, two adjusting assemblies are respectively disposed at both ends of the rotor core.
Further, the adjustment assembly includes:
a driven gear fixedly sleeved at one end of the movable magnetic steel; the method comprises the steps of,
the driving gear and the driven gears are respectively meshed with the driving gear.
Further, a motor shaft is arranged in the middle of the rotor core, and a shell is supported on the motor shaft in a rolling way; end plates are respectively arranged at two ends of the rotor core, and a driven gear is sleeved at one end, extending out of the end plates, of the movable magnetic steel; the driving gear is rotatably sleeved on the motor shaft.
Further, the adjusting assembly further comprises a driving piston movably arranged in the end plate and an elastic reset piece acting on the driving piston; the driving piston is used for driving the driving gear to rotate;
and a medium channel opposite to the driving piston is formed among the shell, the motor shaft and the end plate or between the motor shaft and the end plate, and a medium for applying pressure to the driving piston is arranged in the medium channel.
Further, the driving piston comprises an axial extension section extending out of the end plate, and the driving gear is provided with a driving hole matched with the axial extension section.
In summary, the invention has the following beneficial effects:
1. the magnetizing direction of the fixed magnetic steel is fixed, and the magnetizing direction of the movable magnetic steel can be adjusted through rotation, so that the magnetic field adjustment can be realized through the movable magnetic steel; compared with a motor control mode of achieving weak magnetic speed regulation by changing stator current, the invention realizes magnetic field regulation by rotating the regulation mode of the movable magnetic steel, so that the magnetic field control is simpler; because the stator weak current is not used for speed regulation, the energy consumption can be reduced to a certain extent, the efficiency of a motor in a high-speed operation interval is improved, and the risk of demagnetizing magnetic steel can be effectively reduced.
2. The rotor core is a rotating piece, so that the pressure is applied to the driving piston by utilizing the medium in the medium channel, and the implementation and the processing can be convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a built-in motor magnetic field adjusting system according to an embodiment;
FIG. 2 is a schematic diagram of the structures of a fixed magnetic steel and a movable magnetic steel in an embodiment;
FIG. 3 is a schematic diagram of a movable magnetic steel and an adjusting assembly according to an embodiment;
FIG. 4 is a schematic diagram of a second embodiment of a movable magnetic steel and an adjusting assembly;
FIG. 5 is a schematic diagram of a movable magnetic steel and an adjusting assembly according to a third embodiment;
FIG. 6 is a schematic diagram of a movable magnetic steel and an adjusting assembly according to a fourth embodiment;
FIG. 7 is a schematic diagram of a first medium channel according to an embodiment;
FIG. 8 is a schematic diagram of a second medium channel in an embodiment;
FIG. 9 is a schematic diagram of simulation of magnetic fields of a rotor and a stator according to an embodiment;
fig. 10 is a schematic diagram of magnetic field simulation of a rotor and a stator in the second embodiment.
In the figure: 1. a motor shaft; 11. a first intra-shaft passage; 12. a second shaft inner passage; 13. a third intra-axial passage; 14. a fourth intra-shaft passage; 15. a fifth intra-shaft passage; 21. a cartridge housing; 22. a first end cap; 221. a first end cap channel; 222. a first buffer chamber; 23. a second end cap; 231. a second end cap channel; 232. a second buffer chamber; 31. a rotor core; 32. fixing magnetic steel; 33. a movable magnetic steel; 4. a stator; 5. an end plate; 51. a first end plate channel; 52. a second end plate channel; 53. a limiting block; 61. a driven gear; 62. a drive gear; 621. a drive hole; 631. driving a piston; 632. an axially extending section; 64. and (3) a spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Examples
A built-in motor magnetic field adjusting system, which can be applied to an inner rotor motor or an outer rotor motor, in this embodiment, the inner rotor motor is taken as an example for concrete explanation; referring to fig. 1 to 8, it includes a motor shaft 1, a rotor core 31 sleeved on the motor shaft 1, a housing rollably supported on the motor shaft 1, and a stator 4 provided in the housing; the casing in this embodiment includes a casing 21, and a first end cover 22 and a second end cover 23 disposed at two ends of the casing 21.
Referring to fig. 1 to 8, a plurality of magnetic steel assemblies arranged in a circumferential direction are provided in a rotor core 31, the magnetic steel assemblies including fixed magnetic steel 32 and movable magnetic steel 33; eight magnetic steel components uniformly distributed along the circumferential direction are arranged in the rotor core 31 in the embodiment; in other alternative embodiments, the number of the magnetic steel components can be adjusted according to the need, and the number is not limited herein; the magnetic steel component in the embodiment comprises two fixed magnetic steels 32 and two movable magnetic steels 33; the two movable magnetic steels 33 are respectively arranged at the two circumferential sides of the two fixed magnetic steels 32, and the movable magnetic steels 33 are positioned at the outer sides of the fixed magnetic steels 32 along the radial direction of the rotor core 31, so that the magnetic focusing effect is improved; in this embodiment, the two fixed magnetic steels 32 are arranged in a straight line; in other alternative embodiments, the number and shape of the fixed magnetic steels 32 may be adjusted, for example, one fixed magnetic steel is adopted, or two fixed magnetic steels are arranged in a V-shape, or C-shaped magnetic steels are adopted, which is not limited herein; in other alternative embodiments, the number of the movable magnetic steels 33 may also be increased, for example, one or more movable magnetic steels may be further disposed between two movable magnetic steels 33, which is not limited herein.
Referring to fig. 1 to 8, the fixed magnet steel 32 in the present embodiment is rectangular, and is magnetized in parallel along the thickness direction of the fixed magnet steel 32; the fixed magnetic steel 32 is fixedly embedded in the rotor core 31, and the magnetizing direction of the fixed magnetic steel 32 extends outwards along the radial direction of the rotor core 31 and faces the stator 4; in this embodiment, the movable magnetic steel 33 is cylindrical, and is magnetized in parallel along the radial direction of the movable magnetic steel 33; the movable magnetic steel 33 can rotate around the axis of the movable magnetic steel 33, namely the movable magnetic steel 33 can rotate.
Referring to fig. 1 to 10, in the present embodiment, the magnetizing direction of the fixed magnetic steel 32 is fixed, and the magnetizing direction of the movable magnetic steel 33 can be adjusted by rotation, so that the direction of the magnetic field can be changed by the movable magnetic steel 33, and the magnetic field adjustment is realized; for example, in fig. 9, the included angle between the magnetizing direction of the movable magnetic steel 33 and the magnetizing direction of the fixed magnetic steel 32 is approximately 90 °, that is, the magnetizing direction of the movable magnetic steel 33 and the magnetizing direction of the fixed magnetic steel 32 are considered to be perpendicularly intersected; meanwhile, the magnetizing directions of the two movable magnetic steels 33 are opposite, wherein the magnetizing direction of one movable magnetic steel 33 points to the other movable magnetic steel 33, namely, the magnetizing directions of the two movable magnetic steels 33 can be considered to be parallel and opposite; the movable magnetic steel 33 in fig. 9 can enhance the magnetic field, and the adjusted magnetic field and the torque are improved, so that the requirement of low speed and large torque is met; in fig. 10, it can be considered that the magnetizing directions of the movable magnetic steel 33 are parallel and opposite to the magnetizing directions of the fixed magnetic steel 32, and the magnetizing directions of the two movable magnetic steels 33 are parallel and identical; the movable magnetic steel 33 in fig. 10 can weaken the magnetic field, and the torque is reduced by the adjusted magnetic field, so that the requirement of weak magnetic speed regulation is met; compared with the method of adjusting the current phase of the stator to weaken the permanent magnet exciting field, the method of rotating the movable magnetic steel 33 in the embodiment realizes the field adjustment, so that the field control is simpler, and the risk of demagnetizing the magnetic steel can be effectively reduced.
Referring to fig. 1 to 8, the magnetic field adjusting system in the present embodiment further includes two adjusting assemblies, which are respectively used for controlling the two movable magnetic steels 33 to rotate; in this embodiment, the magnetizing directions of the two movable magnetic steels 33 are symmetrically arranged with respect to the longitudinal section of the rotor core 31, so that the rotating directions of the two movable magnetic steels 33 are opposite when the magnetic field is adjusted.
Referring to fig. 1 to 8, two adjustment assemblies are respectively disposed at both ends of the rotor core 31 in the present embodiment, which enables easy arrangement; in other alternative embodiments, two adjustment assemblies may be disposed at the same end of rotor core 31, without limitation; specifically, both ends of the rotor core 31 are provided with end plates 5, respectively; in this embodiment, two movable magnetic steels 33 in the magnetic steel assembly, wherein one end of one movable magnetic steel 33 extends out of one end plate 5, and one end of the other movable magnetic steel 33 extends out of the other end plate 5; the adjusting component in this embodiment includes a driven gear 61 fixedly sleeved on the extending end of the movable magnetic steel 33, and a driving gear 62 rotatably sleeved on the motor shaft 1; the driven gears 61 are respectively meshed with the driving gears 62, the driven gears 61 are in linkage with the movable magnetic steels 33 along the circumferential direction, and the driving gears 62 are rotated to drive the movable magnetic steels 33 to rotate simultaneously, so that the adjustment can be facilitated.
Referring to fig. 1 to 8, the adjusting assembly in this embodiment further includes a driving piston 631 movably disposed in the end plate 5, and a spring 64 sleeved on the driving piston 631; specifically, in the present embodiment, a first end plate passage 51 and a second end plate passage 52 communicating with the first end plate passage 51 are provided in the end plate 5, the first end plate passage 51 forming an opening in the inner side wall of the end plate 5; two limiting blocks 53 are provided in the second end plate channel 52 to limit the stroke of the driving piston 631; one end of the spring 64 contacts the driving piston 631, and the other end contacts the stopper 53; the elastic force of the spring 64 causes the driving piston 631 to have a tendency to move close to the first end plate channel 51; the driving piston 631 comprises an axial extension section 632 extending out of the end plate 5, and the driving gear 62 is provided with a driving hole 621 matched with the axial extension section 632; that is, the driving piston 631 moves linearly in the second end plate passage 52 to thereby drive the driving gear 62 to rotate.
Referring to fig. 1 to 8, in the present embodiment, a medium channel opposite to the driving piston 631 is formed between the housing, the motor shaft 1 and the end plate 5, and a medium for applying pressure to the driving piston 631, preferably a gas, is disposed in the medium channel; the pressure of the medium is increased, so that the driving piston 631 can move forwards against the elastic force of the spring 64, and after the pressure of the medium is balanced with the elastic force of the spring, the driving piston 631 is kept motionless; when the pressure of the medium is reduced, the driving piston 631 moves backward under the action of the elastic force of the spring 64, and after the pressure of the medium is balanced with the elastic force of the spring, the driving piston 631 remains motionless; that is, in this embodiment, by adjusting the pressure of the medium in the medium channel, the driving piston 631 can be controlled to advance or retract, so as to drive the movable magnetic steel 33 to rotate forward or backward; in this embodiment, the rotation directions of the two movable magnetic steels 33 are opposite, so the rotation directions of the two driving gears 62 are also opposite.
Referring to fig. 1 to 8, specifically, in the present embodiment, a first medium passage is formed between a first end cap 22, a motor shaft 1, and an end plate 5 near the first end cap 22, the first medium passage being opposite to a driving piston 631 in the end plate 5; the first medium passage includes a first end cap passage 221 extending inward from the outer side wall of the first end cap 22, a first buffer chamber 222 communicating with the first end cap passage 221 and formed on the inner side wall of the first end cap 22, a first in-shaft passage 11 communicating with the first buffer chamber 222 and formed on the motor shaft 1, a second in-shaft passage 12 communicating perpendicularly with the first in-shaft passage 11, a third in-shaft passage 13 communicating perpendicularly with the second in-shaft passage 12, and a first end plate passage 51 communicating with the third in-shaft passage 13.
Referring to fig. 1 to 8, specifically, in the present embodiment, a second medium passage is formed between the second end cover 23, the motor shaft 1, and the end plate 5 adjacent to the second end cover 23, the second medium passage being opposite to the driving piston 631 in the end plate 5; the second medium passage includes a second end cap passage 231 extending inward from an outer side wall of the second end cap 23, a second buffer chamber 232 communicating with the second end cap passage 231 and formed at an inner end surface of the second end cap 23, a fourth in-shaft passage 14 communicating with the second buffer chamber 232 and formed in the motor shaft 1, a fifth in-shaft passage 15 communicating perpendicularly with the fourth in-shaft passage 14, and a first end plate passage 51 communicating with the fifth in-shaft passage 15.
Referring to fig. 1 to 8, the rotor core 31 is a rotating member in the present embodiment, so that the driving piston 631 is pressurized by the medium in the medium passage, which can be conveniently implemented and processed; of course, in alternative embodiments, the drive piston 631 may be disposed within the motor shaft 1, and the transmission between the drive piston 631 and the drive gear 62 may be adjusted, without limitation.
Claims (1)
1. A built-in motor magnetic field adjustment system, comprising:
the rotor comprises a rotor core, wherein a plurality of magnetic steel components are arranged in the rotor core along the circumferential direction, and each magnetic steel component comprises fixed magnetic steel and movable magnetic steel;
the adjusting component is used for controlling the movable magnetic steel to rotate so as to adjust an included angle between the magnetizing direction of the movable magnetic steel and the magnetizing direction of the fixed magnetic steel;
the movable magnetic steel is cylindrical and is magnetized in parallel along the radial direction of the movable magnetic steel;
the movable magnetic steel is positioned at the outer side of the fixed magnetic steel along the radial direction of the rotor core;
the magnetic steel assembly comprises two movable magnetic steels respectively arranged at two circumferential sides of the fixed magnetic steel;
the system comprises two adjusting components, wherein the two adjusting components are respectively used for controlling the two movable magnetic steels to rotate;
the two adjusting assemblies are respectively arranged at two ends of the rotor core;
the adjustment assembly includes:
a driven gear fixedly sleeved at one end of the movable magnetic steel; the method comprises the steps of,
the driving gear is respectively meshed with the driven gears;
a motor shaft is arranged in the middle of the rotor core, and a shell is supported on the motor shaft in a rolling way; end plates are respectively arranged at two ends of the rotor core, and a driven gear is sleeved at one end, extending out of the end plates, of the movable magnetic steel; the driving gear is rotatably sleeved on the motor shaft;
the adjusting assembly further comprises a driving piston movably arranged in the end plate and an elastic reset piece acting on the driving piston; the driving piston is used for driving the driving gear to rotate;
a medium channel opposite to the driving piston is formed among the shell, the motor shaft and the end plate or between the motor shaft and the end plate, and a medium for applying pressure to the driving piston is arranged in the medium channel;
the driving piston comprises an axial extension section extending out of the end plate, and a driving hole matched with the axial extension section is formed in the driving gear;
the shell comprises a cylinder shell, a first end cover and a second end cover, wherein the first end cover and the second end cover are respectively arranged at two ends of the cylinder shell;
a first medium channel is formed among the first end cover, the motor shaft and an end plate close to the first end cover, and the first medium channel is opposite to a driving piston in the end plate; the first media passage includes a first end cap passage extending inwardly from an outer sidewall of the first end cap, a first buffer chamber in communication with the first end cap passage and formed in an inner sidewall of the first end cap, a first intra-shaft passage in communication with the first buffer chamber and formed on the motor shaft, a second intra-shaft passage in vertical communication with the first intra-shaft passage, a third intra-shaft passage in vertical communication with the second intra-shaft passage, and a first end plate passage in communication with the third intra-shaft passage;
a second medium channel is formed among the second end cover, the motor shaft and the end plate close to the second end cover, and the second medium channel is opposite to the driving piston in the end plate; the second medium passage includes a second end cap passage extending inwardly from an outer side wall of the second end cap, a second buffer chamber communicating with the second end cap passage and formed at an inner end surface of the second end cap, a fourth in-shaft passage communicating with the second buffer chamber and formed in the motor shaft, a fifth in-shaft passage communicating perpendicularly with the fourth in-shaft passage, and a first end plate passage communicating with the fifth in-shaft passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410044154.4A CN117559689B (en) | 2024-01-12 | 2024-01-12 | Built-in motor magnetic field adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410044154.4A CN117559689B (en) | 2024-01-12 | 2024-01-12 | Built-in motor magnetic field adjusting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117559689A CN117559689A (en) | 2024-02-13 |
| CN117559689B true CN117559689B (en) | 2024-04-05 |
Family
ID=89817022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410044154.4A Active CN117559689B (en) | 2024-01-12 | 2024-01-12 | Built-in motor magnetic field adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117559689B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000152539A (en) * | 1998-11-17 | 2000-05-30 | Toyota Motor Corp | Permanent magnet motor |
| CN102067412A (en) * | 2008-06-20 | 2011-05-18 | 株式会社东芝 | Permanent magnet type rotating electric machine |
| CN201928103U (en) * | 2011-03-02 | 2011-08-10 | 向可为 | Permanent magnet motor capable of adjusting magnetic field strength |
| CN106992649A (en) * | 2017-05-27 | 2017-07-28 | 江西理工大学 | Become magnetic flow permanent magnet energy conversion |
| CN117200486A (en) * | 2023-07-07 | 2023-12-08 | 刘亚飞 | Super-deformable permanent magnet motor rotor |
-
2024
- 2024-01-12 CN CN202410044154.4A patent/CN117559689B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000152539A (en) * | 1998-11-17 | 2000-05-30 | Toyota Motor Corp | Permanent magnet motor |
| CN102067412A (en) * | 2008-06-20 | 2011-05-18 | 株式会社东芝 | Permanent magnet type rotating electric machine |
| CN201928103U (en) * | 2011-03-02 | 2011-08-10 | 向可为 | Permanent magnet motor capable of adjusting magnetic field strength |
| CN106992649A (en) * | 2017-05-27 | 2017-07-28 | 江西理工大学 | Become magnetic flow permanent magnet energy conversion |
| CN117200486A (en) * | 2023-07-07 | 2023-12-08 | 刘亚飞 | Super-deformable permanent magnet motor rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117559689A (en) | 2024-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102324829B (en) | Adjustable axial asynchronous magnetic force coupler | |
| CN102710044B (en) | Self-adaptive passive flux-weakening permanent magnet synchronous rotor | |
| US20100308601A1 (en) | Permanent Magnet Motion Amplified Motor and Control System | |
| CN106655680B (en) | Adjustable magnetic rotating motor | |
| JP4791013B2 (en) | Brushless motor | |
| CN104377923A (en) | Fixed-magnetic-gap permanent magnetic speed adjustor | |
| CN104935111B (en) | A kind of rotating electric machine of machinery magnetism-regulating type | |
| JP2009539336A (en) | Electrical synchronous machine | |
| CN102868271B (en) | Double-stator rotating linear motor | |
| CN103580412B (en) | A kind of Double-stator axial magnetic flow arcuate permanent magnetic motor | |
| CN117559689B (en) | Built-in motor magnetic field adjusting system | |
| JPH1012432A (en) | Variable magnetic field type magnetic circuit | |
| CN112953065B (en) | Connecting structure of rotor and crankshaft and motor with same | |
| CN112803695A (en) | Motor with adjustable air gap | |
| CN105298792A (en) | Electric linear compressor | |
| CN101630891B (en) | Miniature linear motion actuator and driving mode thereof | |
| JP2008148516A (en) | Rotary electric machine | |
| CN115864691A (en) | Small-caliber semi-integral miniature direct current servo motor | |
| CN112709781B (en) | Torsion quasi-zero stiffness vibration isolator with adjustable balance position and method | |
| CN111313648A (en) | Electromagnetic linear actuator based on heat dissipation of reed valve | |
| CN210397891U (en) | Electrically excited bidirectional rotary electromagnet with horizontal moment-corner characteristic | |
| CN204794527U (en) | Rotating electrical machines of magnetic -type is transferred to machinery | |
| CN105245084A (en) | Permanent magnet speed adjuster with fixed magnetic gap | |
| CN104808309A (en) | Electromechanical permanent magnet type force actuator for actively supporting astronomical telescope plane | |
| CN204349740U (en) | A kind of permanent-magnet speed governor of fixing magnetic gap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |