CN105915001A - Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor - Google Patents
Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor Download PDFInfo
- Publication number
- CN105915001A CN105915001A CN201610314116.1A CN201610314116A CN105915001A CN 105915001 A CN105915001 A CN 105915001A CN 201610314116 A CN201610314116 A CN 201610314116A CN 105915001 A CN105915001 A CN 105915001A
- Authority
- CN
- China
- Prior art keywords
- pole
- rotor
- rectangular channel
- salient pole
- inverted
- 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
- 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
- H02K1/278—Surface mounted magnets; Inset magnets
-
- 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 a biradial permanent magnet invisible magnetic pole and electromagnetic driving motor, belonging to the automobile motor electric appliance technical field, and comprises a front end cover, a rear end cover, a casing, a rotor and a stator; rectangular permanent magnet steels are respectively installed in first and second rectangular notches of rotor iron core T-shaped salient poles; electro-magnetic coils wind the T-shaped salient poles; a magnetic field in drive motor air gaps is provided by the permanent magnet steels and the electro-magnetic coils; a generated magnetic field directly faces air gaps, generates less leakage flux, and has high efficiency.
Description
Technical field
The present invention provides a kind of biradial permanent magnetic invisible magnetic pole and Electromagnetic Drive motor, belongs to motor in electric automobile electrical equipment skill
Art 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, the magnetic field of generation directly facing air gap, biradial permanent magnetic invisible magnetic pole that leakage field is few and Electromagnetic Drive
Motor, its technology contents is:
Biradial permanent magnetic invisible magnetic pole and Electromagnetic Drive motor are by drive end bearing bracket, rear end cap, casing, rotor with hybrid excitation, stator pack
Become, it is characterised in that: rotor with hybrid excitation is made up of salient pole electrical excitation rotor and biradial permanent magnetic invisible magnetic pole rotor；
Biradial permanent magnetic invisible magnetic pole rotor is made up of axle, the first rectangle permanent-magnet steel, the second rectangle permanent-magnet steel, rotor core, turns
Being evenly equipped with even number T font salient pole on sub-iron core, the outside of all T font salient pole lateral parts is circular arc and at same circumference
On, the inner side of all T font salient pole lateral parts is straight line and tangent with same circumference, sets at interval of a T font salient pole
Have and run through the inverted "eight" shape groove formed by two the first rectangular channels of rotor core thickness and inverted "eight" shape groove is convex in T font
The bosom of lateral part, pole, at outer end, forms outer end and the T font of two the first rectangular channels of inverted "eight" shape groove
The external arc of salient pole lateral part does not connects, and the inner of two the first rectangular channels forming inverted "eight" shape groove does not connects, by
It is provided with, in the middle of the outer end of the inverted "eight" shape groove of two the first rectangular channel formation, the second rectangular channel running through rotor core thickness, the
Two rectangular channels and the first rectangular channel do not connect, and the outside of the second rectangular channel all connects with the external arc of T font salient pole, and each second
The inner edge midpoint of rectangular channel is the most equal with the line at rotor core center；
Identical two panels the first rectangle permanent-magnet steel is respectively placed at being formed by two the first rectangular channels of rotor core
In inverted "eight" shape groove and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel is N pole, by the second rectangle forever
The inner side that magnet steel is placed on rotor core be N pole inverted "eight" shape outer end in the middle of the second rectangular channel in and the second rectangle forever
The polarity of magnet steel lateral surface is N pole, the S pole outside the inverted "eight" shape of two panels the first rectangle permanent-magnet steel formation and the second rectangle
The S of permanent-magnet steel medial surface the most all by rotor core guide on T font salient pole lateral part not only without the first rectangular channel, but also without second
On the exterior arc surface of the T font salient pole of rectangular channel, forming the S pole of hidden magnetic pole, 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 separately mounted to the first rectangle of rotor core T font salient pole to the present invention
In groove and the second rectangular channel, electrical excitation winding is wrapped on T font salient pole, drives the magnetic field in motor gas-gap by permanent-magnet steel and electricity
Exciting Windings for Transverse Differential Protection provides jointly, and the magnetic field of generation is directly facing air gap, and leakage field is few, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the p-m rotor profile of embodiment illustrated in fig. 1.
In figure: 1, rear end cap 2, axle 3, casing 4, stator the 5, first rectangle permanent-magnet steel the 6, second rectangle 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:
Biradial permanent magnetic invisible magnetic pole and Electromagnetic Drive motor are by drive end bearing bracket 8, rear end cap 1, casing 3, rotor with hybrid excitation, stator
4 compositions, it is characterised in that: rotor with hybrid excitation is made up of salient pole electrical excitation rotor and biradial permanent magnetic invisible magnetic pole rotor；
Biradial permanent magnetic invisible magnetic pole rotor is by axle the 2, first rectangle permanent-magnet steel the 5, second rectangle permanent-magnet steel 6, rotor core 7 groups
Becoming, rotor core 7 is evenly equipped with even number T font salient pole, the outside of all T font salient pole lateral parts is circular arc and same
On one circumference, the inner side of all T font salient pole lateral parts is straight line and tangent with same circumference, at interval of a T font
Salient pole is provided with and runs through the inverted "eight" shape groove formed by two the first rectangular channels of rotor core 7 thickness and inverted "eight" shape groove exists
The bosom of T font salient pole lateral part, at outer end, forms the outer end of two the first rectangular channels of inverted "eight" shape groove
Do not connect with the external arc of T font salient pole lateral part, form the inner of two the first rectangular channels of inverted "eight" shape groove not
Connection, two the first rectangular channels be provided with in the middle of the outer end of the inverted "eight" shape groove formed and run through the second of rotor core 7 thickness
Rectangular channel, the second rectangular channel and the first rectangular channel do not connect, and the outside of the second rectangular channel all connects with the external arc of T font salient pole
Logical, the inner edge midpoint of each second rectangular channel is the most equal with the line at rotor core 7 center；
Identical two panels the first rectangle permanent-magnet steel 5 is respectively placed at being formed by two the first rectangular channels of rotor core 7
Inverted "eight" shape groove in and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel 5 be N pole, by the second rectangle
Permanent-magnet steel 6 is placed in the second rectangular channel in the middle of the inverted "eight" shape outer end that the inner side on rotor core 7 is N pole and the second square
The polarity of shape permanent-magnet steel 6 lateral surface is N pole, the S pole outside inverted "eight" shape that two panels the first rectangle permanent-magnet steel 5 is formed and the
The S of two rectangle permanent-magnet steel 6 medial surface the most all by rotor core 7 guide on T font salient pole lateral part both without the first rectangular channel,
Again without on the exterior arc surface of the T font salient pole of the second rectangular channel, forming the S pole of hidden magnetic pole, rotor core 7 is fitted on axle 2.
Claims (1)
1. biradial permanent magnetic invisible magnetic pole and an Electromagnetic Drive motor, by drive end bearing bracket (8), rear end cap (1), casing (3), mixing
Excitation rotor, stator (4) form, it is characterised in that: rotor with hybrid excitation is by salient pole electrical excitation rotor and biradial permanent magnet invisible
Pole wheel forms；
Biradial permanent magnetic invisible magnetic pole rotor is by axle (2), the first rectangle permanent-magnet steel (5), the second rectangle permanent-magnet steel (6), rotor ferrum
Core (7) forms, and rotor core (7) is evenly equipped with even number T font salient pole, and the outside of all T font salient pole lateral parts is
Circular arc and on same circumference, the inner side of all T font salient pole lateral parts is straight line and tangent with same circumference, at interval of
One T font salient pole is provided with and runs through the inverted "eight" shape groove formed by two the first rectangular channels of rotor core (7) thickness and fall
The "eight" shape groove bosom in T font salient pole lateral part, at outer end, forms two first of inverted "eight" shape groove
The outer end of rectangular channel does not connects with the external arc of T font salient pole lateral part, forms two the first squares of inverted "eight" shape groove
The inner of shape groove does not connects, two the first rectangular channels be provided with in the middle of the outer end of the inverted "eight" shape groove formed and run through rotor core
(7) the second rectangular channel of thickness, the second rectangular channel and the first rectangular channel do not connect, the outside of the second rectangular channel and T font salient pole
External arc all connect, the inner edge midpoint of each second rectangular channel is the most equal with the line at rotor core (7) center；
Identical two panels the first rectangle permanent-magnet steel (5) is respectively placed at rotor core (7) by two the first rectangular channels
In the inverted "eight" shape groove formed and the inner side of inverted "eight" shape that formed of two panels the first rectangle permanent-magnet steel (5) is N pole, by the
The second rectangular channel in the middle of the inverted "eight" shape outer end that inner side is N pole that two rectangle permanent-magnet steels (6) are placed on rotor core (7)
Interior and the second rectangle permanent-magnet steel (6) lateral surface polarity is N pole, " eight " word that two panels the first rectangle permanent-magnet steel (5) is formed
S pole and the S of the second rectangle permanent-magnet steel (6) medial surface outside shape the most all guide to T font salient pole transverse part by rotor core (7)
On Fen not only without the first rectangular channel, but also without on the exterior arc surface of the T font salient pole of the second rectangular channel, form the S pole of hidden magnetic pole, turn
Sub-iron core (7) is fitted on axle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314116.1A CN105915001A (en) | 2016-05-13 | 2016-05-13 | Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314116.1A CN105915001A (en) | 2016-05-13 | 2016-05-13 | Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105915001A true CN105915001A (en) | 2016-08-31 |
Family
ID=56749012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314116.1A Pending CN105915001A (en) | 2016-05-13 | 2016-05-13 | Biradial permanent magnet invisible magnetic pole and electromagnetic driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105915001A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883289A (en) * | 2019-12-10 | 2020-03-17 | 西安电子科技大学 | Multi-degree-of-freedom linear driving radial forging forming equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090713A1 (en) * | 2005-10-26 | 2007-04-26 | Mitsubishi Electric Corporation | Hybrid-excited rotating machine, and vehicle with the hybrid-excited rotating machine |
| CN102355105A (en) * | 2011-10-25 | 2012-02-15 | 王荣华 | Novel synchronous electric motor and electric motor control system |
| CN102638147A (en) * | 2012-04-26 | 2012-08-15 | 张学义 | Hybrid excitation generator with permanent and electromagnetic series magnetic fields |
| CN202384969U (en) * | 2011-10-31 | 2012-08-15 | 上海电机学院 | Hybrid excitation synchronous motor having high power density |
| CN103001434A (en) * | 2011-09-15 | 2013-03-27 | 上海电驱动有限公司 | Magnetized salient pole type mixed excitation synchronous motor |
| CN103762766A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle |
| CN203722458U (en) * | 2014-01-20 | 2014-07-16 | 中国人民武装警察部队山东省消防总队 | Stealth magnetic pole permanent magnet generating device for fire fighting truck |
| 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 CN201610314116.1A patent/CN105915001A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090713A1 (en) * | 2005-10-26 | 2007-04-26 | Mitsubishi Electric Corporation | Hybrid-excited rotating machine, and vehicle with the hybrid-excited rotating machine |
| CN103001434A (en) * | 2011-09-15 | 2013-03-27 | 上海电驱动有限公司 | Magnetized salient pole type mixed excitation synchronous motor |
| CN102355105A (en) * | 2011-10-25 | 2012-02-15 | 王荣华 | Novel synchronous electric motor and electric motor control system |
| CN202384969U (en) * | 2011-10-31 | 2012-08-15 | 上海电机学院 | Hybrid excitation synchronous motor having high power density |
| CN102638147A (en) * | 2012-04-26 | 2012-08-15 | 张学义 | Hybrid excitation generator with permanent and electromagnetic series magnetic fields |
| CN203722458U (en) * | 2014-01-20 | 2014-07-16 | 中国人民武装警察部队山东省消防总队 | Stealth magnetic pole permanent magnet generating device for fire fighting truck |
| CN103762766A (en) * | 2014-02-18 | 2014-04-30 | 山东理工大学 | Permanent-magnet hybrid magnetic circuit drive motor of electric vehicle |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883289A (en) * | 2019-12-10 | 2020-03-17 | 西安电子科技大学 | Multi-degree-of-freedom linear driving radial forging forming equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160831 |