CN205160225U - Novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture - Google Patents
Novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture Download PDFInfo
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- CN205160225U CN205160225U CN201520960267.5U CN201520960267U CN205160225U CN 205160225 U CN205160225 U CN 205160225U CN 201520960267 U CN201520960267 U CN 201520960267U CN 205160225 U CN205160225 U CN 205160225U
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Abstract
The utility model relates to a novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture, include stator (1), the rotor fan type utmost point (2) and separate magnetosheath (6), its characterized in that: stator (1) has 12 teeth, and the rotor fan type utmost point (2) has eight to inlay on separating magnetosheath (6), stator (1) is equipped with six armature tooth (8) and every one armature tooth (8) towards the piece and distributes and be provided with six excitation tooth (9), be equipped with respectively between armature tooth (8) and excitation tooth (9) heterotypic groove (10), abnormal shape groove (10) divide into, it is two -layer down, establish one armature coil (3) and one excitation coil (4) respectively, it is isolated with insulating layer (5) between armature coil (3) and excitation coil (4), circle department is equipped with yoke protruding (7) in the stator that excitation tooth (9) correspond, armature coil (3) area and excitation coil (4) area are than being 57: 74. The utility model discloses shorten the magnetic flow route, improved power density.
Description
Technical field
The utility model relates to a kind of double salient-pole electric machine, particularly relates 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, cause the supersaturation that iron core is serious; 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 purpose of this utility model is to provide one 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 coil and magnet exciting coil 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 utility model adopts can ensure that the copper factor of motor stator punching teeth groove is consistent, armature coil is consistent with magnet exciting coil end height, be conducive to improving copper factor, reduce 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 iron core supersaturation 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 utility model adopts can ensure that the copper factor of motor stator punching teeth groove is consistent, armature coil is consistent with magnet exciting coil end height, be conducive to improving copper factor, reduce 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 iron core supersaturation 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 utility model.
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 coil 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 magnet exciting coil 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 utility model makes the armature coil 3 of the same teeth groove of embedding consistent with the end height of magnet exciting coil 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 °.The utility model shortens 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 coil (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 magnet exciting coil (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 |
|---|---|---|---|
| CN201520960267.5U CN205160225U (en) | 2015-11-27 | 2015-11-27 | Novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960267.5U CN205160225U (en) | 2015-11-27 | 2015-11-27 | Novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205160225U true CN205160225U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520960267.5U Expired - Fee Related CN205160225U (en) | 2015-11-27 | 2015-11-27 | Novel towards two salient pole machine of piecemeal external rotor magnetic flow switching type of chip architecture |
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| CN (1) | CN205160225U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375656A (en) * | 2015-11-27 | 2016-03-02 | 济南吉美乐电源技术有限公司 | Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor |
| CN110048573A (en) * | 2019-04-04 | 2019-07-23 | 南京航空航天大学 | A kind of bimorph transducer electric excitation biconvex electrode electric machine that loss of excitation is fault-tolerant and its method |
-
2015
- 2015-11-27 CN CN201520960267.5U patent/CN205160225U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375656A (en) * | 2015-11-27 | 2016-03-02 | 济南吉美乐电源技术有限公司 | Novel punching sheet structure block external rotor magnetic flux switching type doubly-salient motor |
| CN110048573A (en) * | 2019-04-04 | 2019-07-23 | 南京航空航天大学 | A kind of bimorph transducer electric excitation biconvex electrode electric machine that loss of excitation is fault-tolerant and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20181127 |