CN105978272A - Mechanical-type flux-weakening motor - Google Patents
Mechanical-type flux-weakening motor Download PDFInfo
- Publication number
- CN105978272A CN105978272A CN201610314882.8A CN201610314882A CN105978272A CN 105978272 A CN105978272 A CN 105978272A CN 201610314882 A CN201610314882 A CN 201610314882A CN 105978272 A CN105978272 A CN 105978272A
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- CN
- China
- Prior art keywords
- plane
- limiting section
- base plate
- main shaft
- spacing base
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
- H02K21/021—Means for mechanical adjustment of the excitation flux
- H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
Abstract
The invention belongs to the technical field of automatic speed regulation permanent magnet motors, and especially relates to a mechanical-type flux-weakening motor. The motor comprises a motor case, a stator body, a main shaft, and a rotor body which is fixed on the main shaft and is corresponding to the stator body. The motor also comprises a rotating speed regulating unit which is disposed in the motor case and is used for adjusting the rotating speed of the main shaft through the adjustment of magnetic flux. The rotating speed regulating unit comprises a slope limiting part, a plane limiting part, and a pushing part which is disposed between the slope limiting part and the plane limiting part. One of the slope limiting part and the plane limiting part is fixed on the main shaft, and the other one of the slope limiting part and the plane limiting part is fixed on an inner wall of the motor case. The motor is simple and effective in structure, is large in speed regulating range, is convenient to output a big torque during low-speed operation, is low in loss during flux-weakening operation, is low in production cost, and is high in generalization performance.
Description
Technical field
The invention belongs to from speed governing magneto technical field, particularly relate to a kind of weak magneto of mechanical type.
Background technology
When magneto size and winding once it is determined that after, the maximum speed of motor determines that, has two methods when motor needs higher speed: one is to improve voltage, and another is to carry out controls in advance or weak magnetic control by controller.First method cannot realize in same system, and such as on an electric automobile, the voltage of system secures, it is impossible to improves voltage.In weak magnetic control, magnetic flux is inversely proportional to rotating speed, and weak magnetic control has control efficiently, and little advantage is lost.
Patent publication No. is CN 204597740 U, publication date is that the Chinese utility model patent of 2015.08.26 discloses a kind of movable stator formula from speed governing magneto, including stator, outer rotor, internal rotor, and magnetic line of force adjusting means, stator is arranged on floral axis, internal rotor and outer rotor are successively outside stator, internal rotor is made up of magnet steel and iron core, described magnetic line of force adjusting means makes stator and internal rotor produce axial displacement simultaneously, change stator, internal rotor and the coupling length of outer rotor, adjust the area of rotor cutting magnetic line, thus control the rotating speed of rotor, realize motor from speed governing.
But there is structure complexity, speed governing weak effect and inconvenient problem with use in this utility model.
Summary of the invention
It is an object of the invention to provide a kind of weak magneto of mechanical type, it is effective that the present invention has simple in construction, and speed adjustable range is big, exports high pulling torque convenient, be lost low during weak magnetic field operation during low speed, and production cost is low, the advantage that generalization is strong.
The present invention solves the problems referred to above and the technical scheme is that a kind of weak magneto of mechanical type, including motor casing, stator body, main shaft and be fixed on rotor block corresponding with described stator body on described main shaft, also include being arranged on the interior rotational speed regulation unit being regulated the described speed of mainshaft by regulation magnetic flux of described motor casing, described rotational speed regulation unit includes inclined-plane limiting section, plane limiting section and be arranged on the pushing part between described inclined-plane limiting section and described plane limiting section, in both described inclined-plane limiting section and plane limiting section, one is fixed on described main shaft, another is fixed on described motor casing inwall.Pushing part described in this setting is followed when described rotor block rotates and is promoted the distance between regulation described inclined-plane limiting section and described plane limiting section, and then control to adjust the magnetic flux of described motor, finally carry out speed regulation and high pulling torque exports, ensure that described motor has a self-regulation Volume control, and there is regulation control advantage fast and effectively.
Further preferred technical scheme is: described inclined-plane limiting section includes the base plate connecting plate that the spacing base plate in inclined-plane is connected and the first tilt slide groove being arranged on the spacing base plate in described inclined-plane with described main shaft, and the spacing base plate of two piece of first side shield and described inclined-plane surrounds described first tilt slide groove.
Further preferred technical scheme is: described first tilt slide groove is to be located at the groove on the spacing base plate in described inclined-plane or the notch surrounded by the spacing base plate in described inclined-plane and two the first side shields being located on the spacing base plate in described inclined-plane.
Further preferred technical scheme is: described plane limiting section includes the spacing base plate of plane, is arranged on the spacing base plate of described plane the base plate perforate passed for described main shaft and is arranged on the circumference limiting plate on described plane spacing base plate outer ring surface, the 1/2-2/3 that height is described pushing part height of described circumference limiting plate.Circumference limiting plate described in this setting is for the scope of limiting magnetic flux, it is ensured that speed is unlikely to excessive and damages motor itself.
Further preferred technical scheme is: described pushing part includes the cylinder that spheroid or axial direction are vertical with described first side shield.
Further preferred technical scheme is: described inclined-plane limiting section is provided with slip anchor ring and the inclined-plane limiting section perforate of inclination.
Further preferred technical scheme is: described plane limiting section includes the spacing base plate of plane, the second sliding tray side plate of sliding for described pushing part and the plane limiting section limiting plate being arranged on described plane spacing base plate outer end, and the spacing base plate of described plane is fixed on described main shaft.
Further preferred technical scheme is: the quantity of described plane limiting section is 2-4 group, is evenly provided on the circumferencial direction of described main shaft.
Further preferred technical scheme is: the angular range formed between described slip anchor ring and described main shaft is 40 °-60 °.
Further preferred technical scheme is: the 1/2-2/3 that height is described pushing part height of described plane limiting section limiting plate.
It is effective that the present invention has simple in construction, and speed adjustable range is big, exports high pulling torque convenient, be lost low during weak magnetic field operation during low speed, and production cost is low, the advantage that generalization is strong.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the present invention.
Fig. 2 is principle schematic during motor high-speed rotation in the present invention.
Fig. 3 is the structural representation of embodiment one medium speed regulation unit.
Fig. 4 is the structural representation of embodiment two medium speed regulation unit.
Fig. 5 is principle schematic during motor high-speed rotation in embodiment two.
Fig. 6 is the operation principle schematic diagram of motor in embodiment three.
Detailed description of the invention
The following stated is only presently preferred embodiments of the present invention, is not defined the scope of the present invention.
Embodiment one: such as accompanying drawing 1, 2 and accompanying drawing 3 shown in, a kind of weak magneto of mechanical type, including motor casing 1, stator body 2, main shaft 3 and be fixed on rotor block 4 corresponding with described stator body 2 on described main shaft 3, also include being arranged on the interior rotational speed regulation unit 5 being regulated described main shaft 3 rotating speed by regulation magnetic flux of described motor casing 1, described rotational speed regulation unit 5 includes inclined-plane limiting section 501, plane limiting section 502 and be arranged on the pushing part 503 between described inclined-plane limiting section 501 and described plane limiting section 502, described inclined-plane limiting section 501 is fixed on described main shaft 3, described plane limiting section 502 is fixed on described motor casing 1 inwall.Described pushing part 503 is followed and is promoted the distance regulated between described inclined-plane limiting section 501 and described plane limiting section 502 when described rotor block 4 rotates, and then control to adjust the magnetic flux of described motor, finally carry out speed regulation and high pulling torque exports, ensure that described motor has a self-regulation Volume control, and there is regulation control advantage fast and effectively.
Described inclined-plane limiting section 501 includes the base plate connecting plate 50102 that the spacing base plate in inclined-plane 50101 is connected and the first tilt slide groove being arranged on the spacing base plate in described inclined-plane 50101 with described main shaft 3, and the spacing base plate of two piece of first side shield 50103 and described inclined-plane 50101 surrounds described first tilt slide groove.Described first tilt slide groove is to be located at the groove on the spacing base plate in described inclined-plane 50101 or the notch surrounded by the spacing base plate in described inclined-plane 50101 and two the first side shields 50103 being located on the spacing base plate in described inclined-plane 50101.Described plane limiting section 502 includes the spacing base plate of plane 50201, is arranged on the spacing base plate of described plane 50201 the base plate perforate 50202 passed for described main shaft 3 and is arranged on the circumference limiting plate 50203 on described plane spacing base plate 50201 outer ring surface, the height of described circumference limiting plate 50203 is the 1/2-2/3 of described pushing part 503 height, described circumference limiting plate 50203 is for the scope of limiting magnetic flux, it is ensured that speed is unlikely to excessive and damages motor itself.Described pushing part 503 includes the cylinder that spheroid or axial direction are vertical with described first side shield 50103.
Embodiment two: as shown in accompanying drawing 4 and accompanying drawing 5, a kind of weak magneto of mechanical type, including motor casing 1, stator body 2, main shaft 3 and be fixed on rotor block 4 corresponding with described stator body 2 on described main shaft 3, also include being arranged on the interior rotational speed regulation unit 5 being regulated described main shaft 3 rotating speed by regulation magnetic flux of described motor casing 1, described rotational speed regulation unit 5 includes inclined-plane limiting section 501, plane limiting section 502 and be arranged on the pushing part 503 between described inclined-plane limiting section 501 and described plane limiting section 502, described inclined-plane limiting section 501 is fixed on described motor casing 1 inwall, described plane limiting section 502 is fixed on described main shaft 3.Described pushing part 503 is followed and is promoted the distance regulated between described inclined-plane limiting section 501 and described plane limiting section 502 when described rotor block 4 rotates, and then control to adjust the magnetic flux of described motor, finally carry out speed regulation and high pulling torque exports, ensure that described motor has a self-regulation Volume control, and there is regulation control advantage fast and effectively.
Described inclined-plane limiting section 501 is provided with slip anchor ring 50104 and the inclined-plane limiting section perforate 50105 of inclination.Described plane limiting section 502 includes the spacing base plate of plane 50204, the second sliding tray side plate 50205 slided for described pushing part 503 and is arranged on the plane limiting section limiting plate 50206 of described plane spacing base plate 50204 outer end, the spacing base plate of described plane 50204 is fixed on described main shaft 3, described plane limiting section limiting plate 50206 is for the scope of limiting magnetic flux, it is ensured that speed is unlikely to excessive and damages motor itself.
The quantity of described plane limiting section 502 is 2-4 group, is evenly provided on the circumferencial direction of described main shaft 3.The angular range formed between described slip anchor ring 50104 and described main shaft 3 is 40 °-60 °.The height of described plane limiting section limiting plate 50206 is the 1/2-2/3 of described pushing part 503 height.
Embodiment three: as shown in Figure 6, described inclined-plane limiting section 501 is provided with outside limited block 50106, described plane limiting section 502 be fixed on described motor casing 1 in be provided with the disk of described base plate perforate 50202, the most described outside limited block 50106 not only has the described pushing part 3 of control to external rotation to regulate the feature of magnetic flux size, also by the interior survey face of described outside limited block 50106 and the position-limiting action of the outer ring surface of described plane limiting section 502 disk, described main shaft 3 is made to carry out rotary limited in the middle part of described motor, which further increases the rotational stabilization of described main shaft 3.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the invention is not restricted to above-mentioned embodiment, in the ken that described technical field those of ordinary skill is possessed, it is also possible on the premise of without departing from present inventive concept, various modification can be adapted.These are all the most creative amendments, as long as all being protected by Patent Law in scope of the presently claimed invention.
Claims (10)
1. the weak magneto of mechanical type, including motor casing (1), stator body (2), main shaft (3) and be fixed on the upper rotor block (4) the most corresponding with described stator body (2) of described main shaft (3), it is characterized in that: also include being arranged on the interior rotational speed regulation unit (5) being regulated described main shaft (3) rotating speed by regulation magnetic flux of described motor casing (1), described rotational speed regulation unit (5) includes inclined-plane limiting section (501), plane limiting section (502) and the pushing part (503) being arranged between described inclined-plane limiting section (501) and described plane limiting section (502), described inclined-plane limiting section (501) and both middle one of plane limiting section (502) are fixed on described main shaft (3), another is fixed on described motor casing (1) inwall.
A kind of weak magneto of mechanical type the most according to claim 1, it is characterized in that: described inclined-plane limiting section (501) includes the base plate connecting plate (50102) that the spacing base plate in inclined-plane (50101) is connected and the first tilt slide groove being arranged on the spacing base plate in described inclined-plane (50101) with described main shaft (3), and two piece of first side shield (50103) and described inclined-plane spacing base plate (50101) surround described first tilt slide groove.
A kind of weak magneto of mechanical type the most according to claim 2, it is characterised in that: described first tilt slide groove is to be located at the groove on the spacing base plate in described inclined-plane (50101) or the notch surrounded by the spacing base plate in described inclined-plane (50101) and two the first side shields (50103) being located on the spacing base plate in described inclined-plane (50101).
A kind of weak magneto of mechanical type the most according to claim 2, it is characterized in that: described plane limiting section (502) includes the spacing base plate of plane (50201), is arranged on the upper base plate perforate (50202) passed for described main shaft (3) of the spacing base plate of described plane (50201) and is arranged on the circumference limiting plate (50203) on described plane spacing base plate (50201) outer ring surface, and the height of described circumference limiting plate (50203) is the 1/2-2/3 of described pushing part (503) height.
A kind of weak magneto of mechanical type the most according to claim 2, it is characterised in that: described pushing part (503) include the cylinder that spheroid or axial direction are vertical with described first side shield (50103).
A kind of weak magneto of mechanical type the most according to claim 1, it is characterised in that: described inclined-plane limiting section (501) is provided with slip anchor ring (50104) and inclined-plane limiting section perforate (50105) of inclination.
A kind of weak magneto of mechanical type the most according to claim 6, it is characterized in that: described plane limiting section (502) includes the spacing base plate of plane (50204), the second sliding tray side plate (50205) slided for described pushing part (503) and plane limiting section limiting plate (50206) being arranged on described plane spacing base plate (50204) outer end, and the spacing base plate of described plane (50204) is fixed on described main shaft (3).
A kind of weak magneto of mechanical type the most according to claim 6, it is characterised in that: the quantity of described plane limiting section (502) is 2-4 group, is evenly provided on the circumferencial direction of described main shaft (3).
A kind of weak magneto of mechanical type the most according to claim 6, it is characterised in that: the angular range formed between described slip anchor ring (50104) and described main shaft (3) is 40 °-60 °.
A kind of weak magneto of mechanical type the most according to claim 7, it is characterised in that: the height of described plane limiting section limiting plate (50206) is the 1/2-2/3 of described pushing part (503) height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314882.8A CN105978272A (en) | 2016-05-13 | 2016-05-13 | Mechanical-type flux-weakening motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314882.8A CN105978272A (en) | 2016-05-13 | 2016-05-13 | Mechanical-type flux-weakening motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105978272A true CN105978272A (en) | 2016-09-28 |
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ID=56991731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314882.8A Pending CN105978272A (en) | 2016-05-13 | 2016-05-13 | Mechanical-type flux-weakening motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105978272A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655680A (en) * | 2017-02-25 | 2017-05-10 | 兰州交通大学 | Adjustable-magnetic rotation motor |
| CN108418374A (en) * | 2018-02-09 | 2018-08-17 | 郑州轻工业学院 | A kind of grid shape weak-magnetic speed-regulating permanent magnetic synchronous motor structure |
| JP2020005441A (en) * | 2018-06-29 | 2020-01-09 | ボッシュ株式会社 | Driving motor and electric vehicle |
| CN114288434A (en) * | 2021-12-31 | 2022-04-08 | 江阴市飞扬器械有限公司 | Sterilization system for nuclear magnetic resonance chamber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11122886A (en) * | 1997-10-16 | 1999-04-30 | Honda Motor Co Ltd | Electric rotating machine |
| JP2008160995A (en) * | 2006-12-25 | 2008-07-10 | Yamaha Motor Co Ltd | Generator, and vehicle equipped with the same |
| CN101795031A (en) * | 2010-03-23 | 2010-08-04 | 杨荷 | Permanent magnetic brushless speed-changing motor for electric vehicle and method thereof |
| CN201821244U (en) * | 2010-03-23 | 2011-05-04 | 杨荷 | Hub-type permanent magnet brushless speed regulating motor for electric vehicle |
-
2016
- 2016-05-13 CN CN201610314882.8A patent/CN105978272A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11122886A (en) * | 1997-10-16 | 1999-04-30 | Honda Motor Co Ltd | Electric rotating machine |
| JP2008160995A (en) * | 2006-12-25 | 2008-07-10 | Yamaha Motor Co Ltd | Generator, and vehicle equipped with the same |
| CN101795031A (en) * | 2010-03-23 | 2010-08-04 | 杨荷 | Permanent magnetic brushless speed-changing motor for electric vehicle and method thereof |
| CN201821244U (en) * | 2010-03-23 | 2011-05-04 | 杨荷 | Hub-type permanent magnet brushless speed regulating motor for electric vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655680A (en) * | 2017-02-25 | 2017-05-10 | 兰州交通大学 | Adjustable-magnetic rotation motor |
| CN106655680B (en) * | 2017-02-25 | 2023-09-05 | 兰州交通大学 | Adjustable magnetic rotating motor |
| CN108418374A (en) * | 2018-02-09 | 2018-08-17 | 郑州轻工业学院 | A kind of grid shape weak-magnetic speed-regulating permanent magnetic synchronous motor structure |
| CN108418374B (en) * | 2018-02-09 | 2019-07-05 | 郑州轻工业学院 | A kind of grid shape weak-magnetic speed-regulating permanent magnetic synchronous motor structure |
| JP2020005441A (en) * | 2018-06-29 | 2020-01-09 | ボッシュ株式会社 | Driving motor and electric vehicle |
| CN114288434A (en) * | 2021-12-31 | 2022-04-08 | 江阴市飞扬器械有限公司 | Sterilization system for nuclear magnetic resonance chamber |
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Application publication date: 20160928 |
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