CN105375656A - Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor - Google Patents
Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor Download PDFInfo
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- CN105375656A CN105375656A CN201510840830.XA CN201510840830A CN105375656A CN 105375656 A CN105375656 A CN 105375656A CN 201510840830 A CN201510840830 A CN 201510840830A CN 105375656 A CN105375656 A CN 105375656A
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Abstract
The invention relates to a novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor comprising a stator (1), rotor fan-shaped poles (2) and a magnetic insulation sleeve (6). The doubly-salient motor is characterized in that the stator (1) is provided with twelve teeth. There are eight rotor fan-shaped poles (2) which are inlaid in the magnetic insulation sleeve (6). A stator (1) punching sheet is provided with six armature teeth (8), and six excitation teeth (9) are arranged in a distribution way every other armature tooth (8). Special-shaped grooves (10) are respectively arranged between the armature teeth (8) and the excitation teeth (9). Each special-shaped groove (10) is divided into upper and lower layers which are respectively provided with an armature coil (3) and an excitation coil (4). The armature coil (3) and the excitation coil (4) are isolated by an insulating layer (5). The stator internal circle corresponding to the excitation teeth (9) is provided with magnet yoke bumps (7). The ratio of the area of the armature coils (3) to the area of the excitation coils (4) is 57:74. A magnetic flux path is shortened and power density is enhanced.
Description
Technical field
The present invention relates to a kind of double salient-pole electric machine, particularly relate to a kind of piecemeal external rotor Magneticflux-switching type double salient-pole electric machine of novel laminating structure.
Background technology
The double salient-pole electric machine being excitation source with electric excitation winding at present, adds magnet exciting coil, makes motor be converted to electric field switch reluctance motor by the switched reluctance machines becoming magnetic resistance in stator teeth groove.Motor maintains the good sound state speed governing of Traditional DC motor, reliable and be easy to the features such as controls, its speed-regulating range width, avoids general motor and produces torque by current－carrying conductor Interaction Force, but by the magnetic pull generation between rotor.Biconvex is adopted to hit structure for general electric excitation biconvex electrode stator, designing three adjacent stators teeth by rational teeth groove is parallel teeth, after being divided into four groups there are four vats, eight sulculuses in stator punching, two armature winding and two excitation winding are embedded in vat, two armature winding are embedded in sulculus, certain copper factor, same end height and same stator punching yoke size can be ensured.The half that piecemeal external rotor Magneticflux-switching type electric excitation biconvex electrode electric machine is original because armature tooth is reduced to, ensure that exciting watts that certain output end voltage needs is large and excitation winding internal resistance is less than 1 Ω, cause the excitation winding number of turn of needs large and wire diameter slightly and then cause copper factor high and end height is inconsistent; Piecemeal external rotor Magneticflux-switching type electric excitation biconvex electrode electric machine designed size groove structure on stator punching, can cause stator yoke size uneven, cause stator yoke magnetic flux density too high, causes serious supersaturation unshakable in one's determination; Simultaneously electric excitation biconvex electrode electric machine is distributed on 12 straight-tooth due to 12 armature coils, each magnet exciting coil is across three armature tooths, 4 magnet exciting coils are distributed on stator, when magnet exciting coil is energized, the magnetic line of force of generation, through air gap, passes air gap again by rotor, enter armature pole and form closed-loop path, but the rotor mechanical angle that now magnetic flux path is crossed over is 90 °, can not ensure that magnetic resistance is minimum, be unfavorable for the raising of power density.
Summary of the invention
The object of this invention is to provide one and can ensure that each teeth groove copper factor of stator punching is consistent and end height is consistent; Can ensure that motor stator punching yoke magnetic flux density is consistent; Improve the piecemeal external rotor Magneticflux-switching type double salient-pole electric machine of the novel laminating structure of power density simultaneously.The problem that will solve required for the present invention realizes by the following technical solutions: a kind of piecemeal external rotor Magneticflux-switching type double salient-pole electric machine of novel laminating structure, comprise stator, rotor fan pole and magnetic shield, it is characterized in that: stator has 12 teeth, rotor fan pole has eight to be embedded on magnetic shield, described stator punching is provided with six armature tooths and an armature tooth distribution is provided with six excitation teeth, special-shaped groove is respectively equipped with between armature tooth and excitation tooth, special-shaped groove is divided into, lower two-layer, establish an armature coil and a magnet exciting coil respectively, completely cut off with insulating barrier between armature coil and magnet exciting coil, insulating barrier makes with insulating material, the stator inner circle that excitation tooth is corresponding is provided with yoke projection, described armature coil area and magnet exciting coil area ratio are 57:74, identical with excitation total number of turns area ratio with the armature total number of turns area in single groove and armature winding and excitation winding end height is consistent.The yoke that described armature tooth is corresponding with excitation tooth 9 is measure-alike, and the copper factor of 12 teeth groove is consistent.
The said structure that the present invention adopts can ensure that the copper factor of motor stator punching teeth groove is consistent, armature winding is consistent with excitation winding end height, is conducive to improving copper factor, reduces motor axial dimension, avoid coil to vibrate by electromagnetic force in punching groove, ensure motor security of operation; Can ensure that motor stator punching yoke magnetic flux density is consistent, avoid causing supersaturation unshakable in one's determination because magnetic flux density is too high, ensure motor security of operation; Said structure shortens magnetic flux path simultaneously, can ensure that magnetic resistance is minimum, reduce ferromagnetic loss; Increase winding flux change rate simultaneously and improve electromagnetism torsion, improve power density.
The said structure that the present invention adopts can ensure that the copper factor of motor stator punching teeth groove is consistent, armature winding is consistent with excitation winding end height, is conducive to improving copper factor, reduces motor axial dimension, avoid coil to vibrate by electromagnetic force in punching groove, ensure motor security of operation; Can ensure that motor stator punching yoke magnetic flux density is consistent, avoid causing supersaturation unshakable in one's determination because magnetic flux density is too high, ensure motor security of operation; Said structure shortens magnetic flux path simultaneously, can ensure that magnetic resistance is minimum, reduce ferromagnetic loss; Increase winding flux change rate simultaneously and improve electromagnetism torsion, improve power density.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1, stator, 2, rotor fan pole, 3, armature coil, 4, magnet exciting coil, 5, insulating barrier, 6, magnetic shield, 7, yoke projection, 8, armature tooth, 9, excitation tooth, 10, special-shaped groove.
Embodiment
From accompanying drawing, a kind of piecemeal external rotor Magneticflux-switching type double salient-pole electric machine of novel laminating structure, comprise stator 1, rotor fan pole 2 and magnetic shield 6, it is characterized in that: stator 1 has 12 teeth, rotor fan pole 2 has eight to be embedded on magnetic shield 6, the punching of described stator 1 is provided with six armature tooths 8 and armature tooth 8 distribution is provided with six excitation teeth 9, special-shaped groove 10 is respectively equipped with between armature tooth 8 and excitation tooth 9, special-shaped groove 10 is divided into, lower two-layer, establish an armature coil 3 and a magnet exciting coil 4 respectively, completely cut off with insulating barrier 5 between armature coil 3 and magnet exciting coil 4, insulating barrier 5 makes with insulating material, the stator inner circle of excitation tooth 9 correspondence is provided with yoke projection 7, described armature coil 3 area and magnet exciting coil 4 area ratio are 57:74, and armature winding identical with excitation total number of turns area ratio with the armature total number of turns area in single groove 3 is consistent with the end height of excitation winding 4.The yoke that described armature tooth 8 is corresponding with excitation tooth 9 is measure-alike, and the copper factor of 12 teeth groove is consistent.
The present invention makes the armature winding 3 of the same teeth groove of embedding consistent with the end height of excitation winding 4 and copper factor that is 12 teeth groove is consistent.The present invention makes the yoke size at armature tooth place and the yoke consistent size at excitation tooth place, reduces the magnetic flux density of excitation tooth place yoke, reduces ferromagnetic loss.When magnet exciting coil 4 is energized, the magnetic line of force of generation, through air gap, by rotor fan pole 2 again through air gap, enters armature pole, forms closed-loop path with the shortest magnetic flux path, and the rotor mechanical angle that now magnetic flux path is crossed over is 30 °.Present invention reduces magnetic flux path, can ensure that magnetic resistance is minimum, reduce ferromagnetic loss; Increase winding flux change rate simultaneously and improve electromagnetism torsion, improve power density.The present invention's electricity consumption excitation in motor substitutes permanent-magnet structure, by regulating magnet exciting coil size of current to regulate motor-field intensity, controls motor torque size.
Claims (3)
1. the piecemeal external rotor Magneticflux-switching type double salient-pole electric machine of a novel laminating structure, comprise stator (1), rotor fan pole (2) and magnetic shield (6), it is characterized in that: stator (1) has 12 teeth, rotor fan pole (2) has eight to be embedded on magnetic shield (6), described stator (1) punching is provided with six armature tooths (8) and armature tooth (8) distribution is provided with six excitation teeth (9), special-shaped groove (10) is respectively equipped with between armature tooth (8) and excitation tooth (9), special-shaped groove (10) is divided into, lower two-layer, establish an armature coil (3) and a magnet exciting coil (4) respectively, completely cut off with insulating barrier (5) between armature coil (3) and magnet exciting coil (4), the stator inner circle that excitation tooth (9) is corresponding is provided with yoke projection (7).
2. according to the piecemeal external rotor Magneticflux-switching type double salient-pole electric machine of novel laminating structure according to claim 1, it is characterized in that: described armature coil (3) area and magnet exciting coil (4) area ratio are 57:74, and armature winding (3) identical with excitation total number of turns area ratio with the armature total number of turns area in single groove is consistent with the end height of excitation winding (4), and the copper factor of 12 teeth groove is consistent.
3. according to the piecemeal external rotor Magneticflux-switching type double salient-pole electric machine of novel laminating structure according to claim 1, it is characterized in that: the yoke that described armature tooth (8) is corresponding with excitation tooth (9) is measure-alike.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510840830.XA CN105375656A (en) | 2015-11-27 | 2015-11-27 | Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510840830.XA CN105375656A (en) | 2015-11-27 | 2015-11-27 | Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor |
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| CN105375656A true CN105375656A (en) | 2016-03-02 |
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| CN201510840830.XA Pending CN105375656A (en) | 2015-11-27 | 2015-11-27 | Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655550A (en) * | 2017-01-14 | 2017-05-10 | 山东理工大学 | Electric roller motor |
| CN106712339A (en) * | 2017-03-20 | 2017-05-24 | 山东理工大学 | Excitation fault tolerant running electric drum motor |
| CN107453572A (en) * | 2017-08-31 | 2017-12-08 | 华晨汽车集团控股有限公司 | A kind of piecemeal outer rotor switched reluctance motor |
| CN111585365A (en) * | 2020-04-20 | 2020-08-25 | 南京航空航天大学 | Auxiliary tooth type harmonic induction excitation motor |
| CN112421906A (en) * | 2020-12-18 | 2021-02-26 | 山东理工大学 | Production method of unilateral retaining modular driving motor rotor with bat-shaped groove |
| CN113193706A (en) * | 2020-06-22 | 2021-07-30 | 张湘明 | Principle and method of manufacturing technology of alternating current two-pole rotating motor |
| CN114514674A (en) * | 2019-09-19 | 2022-05-17 | 株式会社电装 | Armature and method of manufacturing the same |
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| DE202008017448U1 (en) * | 2008-08-15 | 2009-10-01 | Ina Drives & Mechatronics Gmbh & Co. Ohg | Active unit of an electrical machine |
| CN102185451A (en) * | 2011-04-19 | 2011-09-14 | 南京航空航天大学 | Segmented rotor type magnetic flux switching motor with hybrid excitation and magnetic adjustment method |
| CN103915920A (en) * | 2013-01-07 | 2014-07-09 | 济南吉美乐电源技术有限公司 | Segmented-rotor doubly salient motor with novel stamped plate structure |
| CN205160225U (en) * | 2015-11-27 | 2016-04-13 | 济南吉美乐电源技术有限公司 | Novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture |
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2015
- 2015-11-27 CN CN201510840830.XA patent/CN105375656A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202008017448U1 (en) * | 2008-08-15 | 2009-10-01 | Ina Drives & Mechatronics Gmbh & Co. Ohg | Active unit of an electrical machine |
| CN102185451A (en) * | 2011-04-19 | 2011-09-14 | 南京航空航天大学 | Segmented rotor type magnetic flux switching motor with hybrid excitation and magnetic adjustment method |
| CN103915920A (en) * | 2013-01-07 | 2014-07-09 | 济南吉美乐电源技术有限公司 | Segmented-rotor doubly salient motor with novel stamped plate structure |
| CN205160225U (en) * | 2015-11-27 | 2016-04-13 | 济南吉美乐电源技术有限公司 | Novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655550A (en) * | 2017-01-14 | 2017-05-10 | 山东理工大学 | Electric roller motor |
| CN106655550B (en) * | 2017-01-14 | 2019-01-18 | 山东理工大学 | A kind of motorized roller motor |
| CN106712339A (en) * | 2017-03-20 | 2017-05-24 | 山东理工大学 | Excitation fault tolerant running electric drum motor |
| CN106712339B (en) * | 2017-03-20 | 2018-08-31 | 山东理工大学 | A kind of motorized pulleys motor of excitation fault fault-tolerant operation |
| CN107453572A (en) * | 2017-08-31 | 2017-12-08 | 华晨汽车集团控股有限公司 | A kind of piecemeal outer rotor switched reluctance motor |
| CN114514674A (en) * | 2019-09-19 | 2022-05-17 | 株式会社电装 | Armature and method of manufacturing the same |
| CN111585365A (en) * | 2020-04-20 | 2020-08-25 | 南京航空航天大学 | Auxiliary tooth type harmonic induction excitation motor |
| CN111585365B (en) * | 2020-04-20 | 2021-10-26 | 南京航空航天大学 | Auxiliary tooth type harmonic induction excitation motor |
| CN113193706A (en) * | 2020-06-22 | 2021-07-30 | 张湘明 | Principle and method of manufacturing technology of alternating current two-pole rotating motor |
| CN112421906A (en) * | 2020-12-18 | 2021-02-26 | 山东理工大学 | Production method of unilateral retaining modular driving motor rotor with bat-shaped groove |
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Application publication date: 20160302 |