CN103196604B - Location torque testing device of permanent-magnet synchronous motor of non-shafting outer rotor structure - Google Patents
Location torque testing device of permanent-magnet synchronous motor of non-shafting outer rotor structure Download PDFInfo
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- CN103196604B CN103196604B CN201310093216.2A CN201310093216A CN103196604B CN 103196604 B CN103196604 B CN 103196604B CN 201310093216 A CN201310093216 A CN 201310093216A CN 103196604 B CN103196604 B CN 103196604B
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Abstract
The invention discloses a location torque testing device of a permanent-magnet synchronous motor of a non-shafting outer rotor structure, and belongs to the field of motor control. The location torque testing device of the permanent-magnet synchronous motor of the non-shafting outer rotor structure solves the problem that an existing technology for detecting location torque of the permanent-magnet synchronous motor is poor in accuracy and complex in structure. According to the technical scheme, two parallel disc-shaped base supports are arranged on a base, the two base supports are respectively sleeved at two ends of a shafting, the middle section of the shafting is also connected with a rotor support in a rotary mode through two bearings, the bearings are fixed through fastening nuts, the rotor support is disc-shaped, an annular groove is formed in the side wall of an excircle of the rotor support, a plurality of concentric rotor control key circular rings are arranged on a disc-shaped end face on one side of the rotor support, a plurality of rotor control keys are evenly distributed on each rotor control key circular ring along the peripheral direction, a plurality of concentric stator control key circular rings are arranged on a disc-shaped end face of each base support, the disc-shaped end face of each base support is opposite to the disc-shaped end face of the rotor support, wherein the rotor control keys are arranged on the disc-shaped end face of the rotor support, and a plurality of stator control keys are evenly distributed on each stator control key circular ring along the peripheral direction.
Description
Technical field
The present invention relates to shaftless system outer-rotor structure permasyn morot location torque proving installation, belong to Motor Control Field.
Background technology
In permanent magnetism class (brushless or have brush) motor, even if when motor winding is opened a way, motor also presents a kind of periodically pulsing moment, this moment is caused by teeth groove factor or magnetic saturation factor, and always attempt by rotor fixed position in a certain position, this moment is exactly usually said location torque.
Location torque makes that magnetic resistance of motor is uneven to be caused due to the existence of stator teeth groove, and it is the intrinsic phenomenon of permagnetic synchronous motor.The location torque of permasyn morot be motor the state be not energized just exist and the moment relevant with position, from source analysis, comprise magnetic hysteresis location torque and magnetic resistance location torque.Location torque directly produces fluctuation moment in Direct Driving System, and location torque exerts an adverse impact to the performance of motor, such as, has obvious impact to the low-speed performance of speed control system and the hi-Fix of position control system.Therefore, Accurate Determining torque motor location torque has vital effect to the characteristic analyzing permasyn morot.
There is the not high problem of precision in the technology of existing mensuration permagnetic synchronous motor location torque, and complex structure.
Summary of the invention
It is not high to there is precision in the technology that the present invention seeks to solve existing mensuration permagnetic synchronous motor location torque, and baroque problem, provide a kind of shaftless system outer-rotor structure permasyn morot location torque proving installation.
Shaftless system of the present invention outer-rotor structure permasyn morot location torque proving installation, it comprises rotor field spider, two bearings, clamp nut, axle system, base, two base supports, multiple rotor operating key and multiple stator operating keys,
Base is arranged two discoidal base supports be parallel to each other, the disk end face of two base supports is oppositely arranged, two base supports are enclosed within the two ends of axle system respectively, and the stage casing of axle system is also rotationally connected by two bearings and rotor field spider, and bearing is fixed by clamp nut;
Rotor field spider is disc, and the cylindrical sidewall of rotor field spider has annular groove, a side discs end face of rotor field spider is arranged multiple concentric rotor operating key annulus, each rotor operating key annulus is along the circumferential direction uniformly distributed multiple rotor operating key,
The disk end face of base support is arranged multiple concentric stator operating key annulus, the disk end face that this disk end face and rotor field spider arrange rotor operating key is relative, and each stator operating key annulus is along the circumferential direction uniformly distributed multiple stator operating key.
Advantage of the present invention: apparatus of the present invention are for testing shaftless system outer-rotor structure permasyn morot location torque.Apparatus structure is simple, and cost of manufacture is lower, the location torque of energy Accurate Determining shaftless system permasyn morot.
Accompanying drawing explanation
Fig. 1 is the structural representation of shaftless system of the present invention outer-rotor structure permasyn morot location torque proving installation;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the B-B cut-open view of Fig. 1.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 to Fig. 3, shaftless system outer-rotor structure permasyn morot location torque proving installation described in present embodiment, it comprises rotor field spider 1, two bearings 2, clamp nut 3, axle system 4, base 6, two base supports 7, multiple rotor operating key 5 and multiple stator operating key 8
Base 6 is arranged two discoidal base supports 7 be parallel to each other, the disk end face of two base supports 7 is oppositely arranged, two base supports 7 are enclosed within the two ends of axle system 4 respectively, and the stage casing of axle system 4 is also rotationally connected by two bearings 2 and rotor field spider 1, and bearing 2 is fixed by clamp nut 3; Clamp nut 3 has multiple, and clamp nut 3 role bearing 2 is fixed on the inner circle sidewall of rotor field spider 1 and is fixed on the outer round surface of axle system 4.
Rotor field spider 1 is disc, and the cylindrical sidewall of rotor field spider 1 has annular groove, a side discs end face of rotor field spider 1 is arranged multiple concentric rotor operating key annulus, each rotor operating key annulus is along the circumferential direction uniformly distributed multiple rotor operating key 5,
The disk end face of base support 7 is arranged multiple concentric stator operating key annulus, the disk end face that this disk end face and rotor field spider 1 arrange rotor operating key 5 is relative, and each stator operating key annulus is along the circumferential direction uniformly distributed multiple stator operating key 8.
Multiple concentric rotor operating key annulus is equidistantly distribution along multiple rotor operating keys 5 that same radial direction is arranged.
Multiple concentric stator operating key annulus is equidistantly distribution along multiple stator operating keys 8 that same radial direction is arranged.
Device described in present embodiment is for testing the location torque of shaftless system outer-rotor structure permasyn morot, when testing, the stator stator operating key 8 of shaftless system outer-rotor structure permasyn morot is fixed on base support 7, and, stator sleeve is in axle system 4, the rotor rotor operating key 5 of motor is fixed on rotor field spider 1, rotor field spider 1 is with rotor turns, as for the rotor operating key 5 selected on which rotor operating key annulus, to decide according to the size of root diameter, select the stator operating key 8 on which stator operating key annulus, to decide according to the size of stator diameter.Rotor field spider 1 is provided with multiple concentric rotor operating key annulus, object adapts to different rotor diameter, base support 7 is arranged multiple concentric stator operating key annulus, object adapts to different stator diameters, rotor connects torque sensor, the rotor of rotary electric machine, it is allowed to move to a certain position, torque sensor will show the location torque of this rotor-position, method successively, the location torque of this motor can be recorded in detail, simple to operate, be applicable to shaftless system outer-rotor structure permasyn morot.
Claims (3)
1. shaftless system outer-rotor structure permasyn morot location torque proving installation, it is characterized in that, it comprises rotor field spider (1), two bearings (2), clamp nut (3), axle system (4), base (6), two base supports (7), multiple rotor operating key (5) and multiple stator operating keys (8)
Base (6) is arranged two discoidal base supports (7) be parallel to each other, the disk end face of two base supports (7) is oppositely arranged, two base supports (7) are enclosed within the two ends of axle system (4) respectively, the stage casing of axle system (4) is also rotationally connected by two bearings (2) and rotor field spider (1), and bearing (2) is fixed by clamp nut (3);
Rotor field spider (1) is disc, the cylindrical sidewall of rotor field spider (1) has annular groove, one side discs end face of rotor field spider (1) is arranged multiple concentric rotor operating key annulus, each rotor operating key annulus is along the circumferential direction uniformly distributed multiple rotor operating key (5)
The disk end face of base support (7) is arranged multiple concentric stator operating key annulus, this disk end face is relative with the disk end face that rotor field spider (1) arranges rotor operating key (5), and each stator operating key annulus is along the circumferential direction uniformly distributed multiple stator operating key (8).
2. shaftless system outer-rotor structure permasyn morot location torque proving installation according to claim 1, is characterized in that, multiple concentric rotor operating key annulus be equidistantly distribute along multiple rotor operating keys (5) that same radial direction is arranged.
3. shaftless system outer-rotor structure permasyn morot location torque proving installation according to claim 1 or 2, is characterized in that, multiple concentric stator operating key annulus is equidistantly distribution along multiple stator operating keys (8) that same radial direction is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310093216.2A CN103196604B (en) | 2013-03-22 | 2013-03-22 | Location torque testing device of permanent-magnet synchronous motor of non-shafting outer rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310093216.2A CN103196604B (en) | 2013-03-22 | 2013-03-22 | Location torque testing device of permanent-magnet synchronous motor of non-shafting outer rotor structure |
Publications (2)
| Publication Number | Publication Date |
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| CN103196604A CN103196604A (en) | 2013-07-10 |
| CN103196604B true CN103196604B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310093216.2A Active CN103196604B (en) | 2013-03-22 | 2013-03-22 | Location torque testing device of permanent-magnet synchronous motor of non-shafting outer rotor structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823583B (en) * | 2016-03-10 | 2018-08-14 | 中国第一汽车股份有限公司 | Used in new energy vehicles permanent magnet synchronous motor location torque test device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0484249A2 (en) * | 1990-10-31 | 1992-05-06 | Sony Corporation | Permanent magnet type stepping motor and adjusting method for minimizing its detent torque |
| CN2321160Y (en) * | 1997-12-29 | 1999-05-26 | 钱国民 | Self-starting three-phase rare-earth permanent-magnet synchronous motor |
| CN101521447A (en) * | 2008-11-20 | 2009-09-02 | 天津清源电动车辆有限责任公司 | Water-cooled permanent magnet synchronous motor with a built-in outer rotor and rotary transformation magnetic resistance for hybrid power automobiles |
| CN101944813A (en) * | 2010-09-26 | 2011-01-12 | 沈阳工业大学 | Outer rotor direct-drive permanent magnet synchronous motor for belt conveyer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101228346B1 (en) * | 2010-09-01 | 2013-02-21 | (주)스마텍 | the torque generation apparatus with rare earth element permanent magnets |
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2013
- 2013-03-22 CN CN201310093216.2A patent/CN103196604B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0484249A2 (en) * | 1990-10-31 | 1992-05-06 | Sony Corporation | Permanent magnet type stepping motor and adjusting method for minimizing its detent torque |
| CN2321160Y (en) * | 1997-12-29 | 1999-05-26 | 钱国民 | Self-starting three-phase rare-earth permanent-magnet synchronous motor |
| CN101521447A (en) * | 2008-11-20 | 2009-09-02 | 天津清源电动车辆有限责任公司 | Water-cooled permanent magnet synchronous motor with a built-in outer rotor and rotary transformation magnetic resistance for hybrid power automobiles |
| CN101944813A (en) * | 2010-09-26 | 2011-01-12 | 沈阳工业大学 | Outer rotor direct-drive permanent magnet synchronous motor for belt conveyer |
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| CN103196604A (en) | 2013-07-10 |
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