CN105914998A - Embedded double radial permanent magnetic and salient pole electromagnetic mixing excitation driving motor - Google Patents
Embedded double radial permanent magnetic and salient pole electromagnetic mixing excitation driving motor Download PDFInfo
- Publication number
- CN105914998A CN105914998A CN201610314095.3A CN201610314095A CN105914998A CN 105914998 A CN105914998 A CN 105914998A CN 201610314095 A CN201610314095 A CN 201610314095A CN 105914998 A CN105914998 A CN 105914998A
- Authority
- CN
- China
- Prior art keywords
- salient pole
- magnet steel
- permanent
- rotor
- arc
- 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
-
- 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
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
-
- 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]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- 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
- H02K21/04—Windings on magnets for additional excitation ; Windings and magnets for additional excitation
- H02K21/042—Windings on magnets for additional excitation ; Windings and magnets for additional excitation with permanent magnets and field winding both rotating
- H02K21/044—Rotor of the claw pole type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides an embedded double radial permanent magnetic and salient pole electromagnetic mixing excitation driving motor, belonging to the automobile motor electric appliance technical field, and comprises a front end cover, a rear end cover, a casing, a mixing excitation rotor, and a stator; a rectangular permanent magnet steel is embedded in a rectangular notch, and a tile permanent magnet steel is embedded in an circular arc groove; the driving motor rotor is an electromagnetic and embedded double radial permanent magnetic mixing excitation rotor; a magnetic field in driving motor air gaps is provided by the permanent magnet steels and electro-magnetic coils, the magnetic field intensity is great and power density is high.
Description
Technical field
The present invention provides a kind of embedded biradial permanent magnetism to drive motor with salient pole electromagnetic hybrid excitation, belongs to electric automobile electricity
Machine electric appliance technical field.
Background technology
The rotor of the permanent magnet drive motor used on electric automobile at present uses the outer damascene structures of permanent magnet mostly, as existing
There is technology, patent name: brushless DC motor rotor, the patent No.: ZL200920116549.1, disclose following technical scheme,
Including rotor core, rotating shaft and permanent magnet, rotor core is made up of punching superposition and is connected, and rotating shaft is fixed with rotor core
Connecting, the outer surface of rotor core is evenly distributed with even number T-shaped voussoir, constitutes slot, permanent magnet pair between adjacent T-shaped voussoir
Should be embedded in slot, the permanent magnet of this construction rotor is directly facing air gap, under the armature-reaction effect of dash current, and may
Producing irreversible demagnetization, permanent magnet once forms irreversible demagnetization, drives electric efficiency to reduce, and power, moment of torsion decline rapidly, its
Serviceability needs further improvement.
Summary of the invention
It is an object of the invention to provide one and can overcome drawbacks described above, drive the magnetic field in motor gas-gap by permanent-magnet steel and electricity
Exciting Windings for Transverse Differential Protection provides jointly, and magnetic field intensity is big, and the embedded biradial permanent magnetism that power density is high drives with salient pole electromagnetic hybrid excitation
Motor, its technology contents is:
Embedded biradial permanent magnetism and salient pole electromagnetic hybrid excitation drive motor to be turned by drive end bearing bracket, rear end cap, casing, composite excitation
Son, stator composition, it is characterised in that: rotor with hybrid excitation is made up of salient pole electrical excitation rotor and embedded biradial p-m rotor；
Embedded biradial p-m rotor is made up of axle, rectangle permanent-magnet steel, tile permanent-magnet steel, rotor core, uniform on rotor core
Even number T font salient pole, the outside of all T font salient pole lateral parts is had to be circular arc and on same circumference, all T fonts
The inner side of salient pole lateral part is straight line and tangent with same circumference, at the bosom of each T font salient pole lateral part
At outer end, it is provided with the inverted "eight" shape groove running through rotor core thickness and being formed by two rectangular channels, forms inverted "eight" shape
The outer end of two rectangular channels of groove does not connects with the external arc of T font salient pole lateral part, the inverted "eight" shape groove of formation
The inner of two rectangular channels does not connects, two rectangular channels be provided with in the middle of the outer end of the inverted "eight" shape groove formed and run through rotor ferrum
The inner arc surface of core thickness, towards the arc-shaped slot of T font salient pole external arc, does not connects between arc-shaped slot with rectangular channel, circular arc
The two ends of shape groove do not connect with the external arc of T font salient pole；
Identical two panels rectangle permanent-magnet steel is respectively placed at " eight " word formed by two rectangular channels of rotor core
In shape groove and the inner side of inverted "eight" shape that formed of two panels rectangle permanent-magnet steel is N pole, then by identical other two panels square
Shape permanent-magnet steel be respectively placed on another one T font salient pole adjacent on rotor core by two rectangular channels formed fall
In "eight" shape groove and the inner side of inverted "eight" shape that formed of two panels rectangle permanent-magnet steel is S pole, the like, finally by tile
Permanent-magnet steel is pressed the polarity of tile permanent-magnet steel inner arc surface and is formed with the two panels rectangle permanent-magnet steel lateral surface on same T font salient pole
The identical mode of polarity be sequentially arranged in arc-shaped slot, rotor core is fitted on axle.
Operation principle: when driving motor to be passed through by three-phase inverter after the three-phase alternating current of pulsewidth modulation, drive motor
Stator produces space rotating magnetic field, and it is magnetic field interaction produced by with rotor, and rotor produces and stator winding rotating excitation field
The rotating torques that direction is consistent, makes driving rotor rotate, and then drives electric automobile to run.
Compared with prior art, rectangle permanent-magnet steel is embedded in rectangular channel the present invention, and tile permanent-magnet steel is embedded in circular arc
In groove, driving rotor is electromagnetism and embedded biradial permanent magnetism mixing excitation rotor, drives the magnetic field in motor gas-gap by forever
Magnet steel and electrical excitation winding provide jointly, and magnetic field intensity is big, and power density is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the rotor profiles figure of embodiment illustrated in fig. 1.
In figure: 1, rear end cap 2, axle 3, casing 4, stator 5, rectangle permanent-magnet steel 6, tile permanent-magnet steel 7, rotor core
8, drive end bearing bracket.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
Embedded biradial permanent magnetism and salient pole electromagnetic hybrid excitation drive motor by drive end bearing bracket 8, rear end cap 1, casing 3, composite excitation
Rotor, stator 4 form, it is characterised in that: rotor with hybrid excitation is by salient pole electrical excitation rotor and embedded biradial p-m rotor group
Become；
Embedded biradial p-m rotor is made up of axle 2, rectangle permanent-magnet steel 5, tile permanent-magnet steel 6, rotor core 7, on rotor core 7
Being evenly equipped with even number T font salient pole, the outside of all T font salient pole lateral parts is circular arc and on same circumference, all T
The inner side of font salient pole lateral part is straight line and tangent with same circumference, in the inside of each T font salient pole lateral part
It is provided with, at middle close outer end, the inverted "eight" shape groove running through rotor core 7 thickness and being formed by two rectangular channels, is formed and
The outer end of two rectangular channels of "eight" shape groove does not connects with the external arc of T font salient pole lateral part, formation fall " eight "
The inner of two rectangular channels of font groove does not connects, two rectangular channels be provided with in the middle of the outer end of the inverted "eight" shape groove formed and pass through
Wear the inner arc surface arc-shaped slot towards T font salient pole external arc of rotor core 7 thickness, between arc-shaped slot and rectangular channel not
Connection, the two ends of arc-shaped slot do not connect with the external arc of T font salient pole；
Identical two panels rectangle permanent-magnet steel 5 is respectively placed at rotor core 7 by two rectangular channels formed fall " eight "
In font groove and the inner side of inverted "eight" shape that formed of two panels rectangle permanent-magnet steel 5 is N pole, then by identical other two panels
What what rectangle permanent-magnet steel 5 was respectively placed on another one T font salient pole adjacent on rotor core 7 formed by two rectangular channels
In inverted "eight" shape groove and the inner side of inverted "eight" shape that formed of two panels rectangle permanent-magnet steel 5 is S pole, the like, finally will
Tile permanent-magnet steel 6 press the polarity of tile permanent-magnet steel 6 inner arc surface with the two panels rectangle permanent-magnet steel 5 on same T font salient pole outside
The mode that the polarity of side formation is identical is sequentially arranged in arc-shaped slot, and rotor core 7 is fitted on axle 2.
Claims (1)
1. embedded biradial permanent magnetism drives a motor with salient pole electromagnetic hybrid excitation, by drive end bearing bracket (8), rear end cap (1), casing
(3), rotor with hybrid excitation, stator (4) composition, it is characterised in that: rotor with hybrid excitation is by salient pole electrical excitation rotor and embedded double
Radial permanent magnet rotor forms；
Embedded biradial p-m rotor is made up of axle (2), rectangle permanent-magnet steel (5), tile permanent-magnet steel (6), rotor core (7), turns
Being evenly equipped with even number T font salient pole on sub-iron core (7), the outside of all T font salient pole lateral parts is circular arc and same
On circumference, the inner side of all T font salient pole lateral parts is straight line and tangent with same circumference, horizontal at each T font salient pole
" eight " word running through rotor core (7) thickness and being formed by two rectangular channels it is provided with at the close outer end of bosom of part
Shape groove, the outer end of two rectangular channels forming inverted "eight" shape groove does not connects with the external arc of T font salient pole lateral part, shape
The inner of two rectangular channels of the inverted "eight" shape groove become does not connects, two rectangular channels the outer end of the inverted "eight" shape groove formed
Centre is provided with the inner arc surface running through rotor core (7) the thickness arc-shaped slot towards T font salient pole external arc, arc-shaped slot with
Not connecting between rectangular channel, the two ends of arc-shaped slot do not connect with the external arc of T font salient pole；
Identical two panels rectangle permanent-magnet steel (5) is respectively placed at rotor core (7) by two rectangular channels formed fall
In "eight" shape groove and the inner side of inverted "eight" shape that formed of two panels rectangle permanent-magnet steel (5) is N pole, then by identical separately
Outer two panels rectangle permanent-magnet steel (5) be respectively placed on rotor core (7) the most adjacent upper another one T font salient pole by two squares
In the inverted "eight" shape groove that shape groove is formed and the inner side of inverted "eight" shape that formed of two panels rectangle permanent-magnet steel (5) is S pole, successively
Analogize, finally tile permanent-magnet steel (6) is pressed polarity and two on same T font salient pole of tile permanent-magnet steel (6) inner arc surface
The mode that the polarity of sheet rectangle permanent-magnet steel (5) lateral surface formation is identical is sequentially arranged in arc-shaped slot, and rotor core (7) press-fits
On axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314095.3A CN105914998A (en) | 2016-05-13 | 2016-05-13 | Embedded double radial permanent magnetic and salient pole electromagnetic mixing excitation driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314095.3A CN105914998A (en) | 2016-05-13 | 2016-05-13 | Embedded double radial permanent magnetic and salient pole electromagnetic mixing excitation driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105914998A true CN105914998A (en) | 2016-08-31 |
Family
ID=56748834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314095.3A Pending CN105914998A (en) | 2016-05-13 | 2016-05-13 | Embedded double radial permanent magnetic and salient pole electromagnetic mixing excitation driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105914998A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0746896A1 (en) * | 1993-06-14 | 1996-12-11 | Ecoair Corporation | Hybrid alternator with voltage regulator |
| CN102664492A (en) * | 2012-04-26 | 2012-09-12 | 张学义 | Combined magnetic-pole-type composite excitation power generation device for automobile |
| CN103026586A (en) * | 2010-07-27 | 2013-04-03 | 日产自动车株式会社 | Rotor for electric motor |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
-
2016
- 2016-05-13 CN CN201610314095.3A patent/CN105914998A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0746896A1 (en) * | 1993-06-14 | 1996-12-11 | Ecoair Corporation | Hybrid alternator with voltage regulator |
| CN103026586A (en) * | 2010-07-27 | 2013-04-03 | 日产自动车株式会社 | Rotor for electric motor |
| CN102664492A (en) * | 2012-04-26 | 2012-09-12 | 张学义 | Combined magnetic-pole-type composite excitation power generation device for automobile |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160831 |
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| WD01 | Invention patent application deemed withdrawn after publication |