CN201409070Y - Flux motor with hybrid excitation switch - Google Patents
Flux motor with hybrid excitation switch Download PDFInfo
- Publication number
- CN201409070Y CN201409070Y CN2009201203775U CN200920120377U CN201409070Y CN 201409070 Y CN201409070 Y CN 201409070Y CN 2009201203775 U CN2009201203775 U CN 2009201203775U CN 200920120377 U CN200920120377 U CN 200920120377U CN 201409070 Y CN201409070 Y CN 201409070Y
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- winding
- core unit
- excitation
- shape core
- 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.)
- Expired - Lifetime
Links
- 230000005284 excitation Effects 0.000 title claims abstract description 33
- 230000004907 flux Effects 0.000 title abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 35
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003475 lamination Methods 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 210000003456 pulmonary alveoli Anatomy 0.000 claims description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 2
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses a flux motor with a hybrid excitation switch, which comprises a rotor, a stator, a three-phrase armature winding, a single-phrase excitation winding and a casing. The stator comprises U-shaped iron core units sequentially arranged and first PMs; grooves are formed on two sides at the bottom of the U-shaped iron core units, and the first PMs with N poles and S poles alternatively arranged are arranged between two edges of the adjacent U-shaped iron core units; second PMs are arranged between the bottom edges of the adjacent U-shaped iron core units; on the same radius, the magnetizing directions of the first PMs and the second PMs are identical; an armature tooth is formed by a first PM and the U-shaped iron cores clung to two sides of the first PM; the three-phrase concentrated armature winding is wound on the armature tooth; and the single-phrase excitation concentrated winding is arranged in the groove at the bottom of each U-shaped iron core unit. By adopting the flux motor, the PM excitation and the excitation winding electric excitation are combined to form an air gap magnetic field, thereby realizing the adjustability of the air gap magnetic fieldand guaranteeing better controllability of the motor.
Description
Technical field
The utility model relates to flux switching motor.
Background technology
Motor is the main driver part in the modern industry system, and the motor of excellent performance is most important to whole drive system.In recent years, development along with power electronic technology, permanent magnetic material and Control Technique of Microcomputer, permanent-magnet brushless DC electric machine is developed rapidly, permanent-magnet brushless DC electric machine has efficiently, the characteristics of high power density, along with the appearance of high performance permanent magnetic materials, improved the power density and the performance of permanent-magnet brushless DC electric machine greatly.On the other hand, switched reluctance machines is because characteristics such as simple in structure, good reliability obtain application more and more widely.In the middle of the stator tooth of switched reluctance machines, place the permanent-magnetic-switch flux linkage motor that permanent magnet obtains, combine the characteristics of switched reluctance machines and magneto, characteristics such as existing switched reluctance machines property simple and reliable for structure is good have characteristics such as magneto power density height simultaneously concurrently.In permanent-magnetic-switch flux linkage motor, rotor only is made of core lamination, and is simple and reliable for structure; Permanent magnet and armature winding all place on the stator, are highly susceptible to the heat radiation cooling.But the air-gap field of traditional permanent-magnetic-switch flux linkage motor is mainly produced by permanent magnet excitation, is difficult to regulate, and has so just limited the operational speed range of motor.
Summary of the invention
The purpose of this utility model is to propose the adjustable mixed excitation type switch magnetic linkage motor of a kind of air gap.
Mixed excitation type switch magnetic linkage motor of the present utility model, comprise rotor, stator, the threephase armature winding, single-phase excitation winding and casing, casing is a permeability magnetic material, rotor is made of the Alveolus type core lamination, the stator that is fixed in the casing comprises " U " the shape core unit and first permanent magnet that is arranged in order, " U " shape core unit two bottom sides has groove, first permanent magnet places between two limits of adjacent ' U ' shape core unit, and first permanent magnet is along the circumference cutting orientation magnetizing, and the N utmost point, the S utmost point are alternately arranged; Adjacent ' U ' shape core unit is equipped with second permanent magnet between the base, and second permanent magnet is along the circumference cutting orientation magnetizing, and the N utmost point, the S utmost point are alternately arranged; First permanent magnet on the same radius is identical with the second permanent magnet magnetizing direction, armature tooth is made of first permanent magnet and " U " shape that is close to first permanent magnet both sides limit unshakable in one's determination, the threephase armature winding is for concentrating winding, on armature tooth, single-phase excitation winding is for concentrating winding, in the groove of each " U " shape core unit bottom.
Above-mentioned rotor and " U " shape core unit can be formed by silicon steel plate packing.The opening of said " U " core unit is standard-sized sheet mouth or half opening.Said casing is rolled into by steel plate or is formed by silicon steel plate packing.
First permanent magnet in the utility model and second permanent magnet are neodymium iron boron, SmCo or the ferrite of parallel magnetization.
The utility model can be settled magnetic conduction sheet between second permanent magnet and casing, the two ends of magnetic conduction sheet prop up the base of adjacent two " U " shape iron cores respectively.Like this, magnetic conduction sheet constitutes corresponding parallel circuits, under same exciting current condition, can obtain better to regulate the effect of air-gap field.
During work, the threephase armature winding of mixed excitation type switch magnetic linkage motor is linked to each other with the control circuit that connects DC power supply.Utilize rotor-position sensor detection rotor position, determine the conducting state of threephase armature winding thus, because it is the three-phase voltage of f that DC power supply is given threephase armature winding loading frequency by control circuit, then in the threephase armature winding, flow through the three-phase current that frequency is all f, so rotor speed n=60f/p (p is the armature winding number of pole-pairs).Be added to voltage swing and frequency on the threephase armature winding, the then speed of scalable motor by control.Be added to voltage swing and frequency on the threephase armature winding, the then speed of scalable motor by control.Single-phase excitation winding is connect DC power supply, as required excitation winding is imposed electric current forward or backwards, the permanent magnetism air-gap field is played the effect of strengthening or weakening.By adjusting to exciting current direction and size, realize adjusting, thereby regulate the motor speed of service, torque etc. the synthetic air-gap field of motor, be fit to the needs of different occasions.
The beneficial effects of the utility model:
1. permanent magnet excitation and excitation winding electricity excitation is synthesized air-gap field jointly, has realized the controllability of air-gap field, makes mixing excitation type permanent magnet switch magnetic linkage electric machine have better controllability.
2 rotors only are made of core lamination, and are simple in structure, reliable.
3. permanent magnet and winding all place on the stator, are easy to heat radiation, cooling, improve power density.
4. can adopt conventional permanent magnet brushless control of DC method, control flexible, various.
Description of drawings
Fig. 1 is a kind of structural representation of mixed excitation type switch magnetic linkage motor, and the direction of arrow is the permanent magnet magnetizing direction among the figure;
Fig. 2 is the structural representation of second kind of mixed excitation type switch magnetic linkage motor, and the direction of arrow is the permanent magnet magnetizing direction among the figure.
Embodiment
With reference to Fig. 1, mixed excitation type switch magnetic linkage motor comprises rotor 1, stator 2, threephase armature winding 3, single-phase excitation winding 4 and casing 5, casing is a permeability magnetic material, rotor is made of the Alveolus type core lamination, the stator that is fixed in the casing comprises " U " shape core unit 2.1 and first permanent magnet 2.2 that is arranged in order, " U " shape core unit two bottom sides has groove, first permanent magnet places between two limits of adjacent ' U ' shape core unit, and first permanent magnet is along the circumference cutting orientation magnetizing, and the N utmost point, the S utmost point are alternately arranged; Be equipped with second permanent magnet, 2.3, the second permanent magnets between adjacent ' U ' shape core unit 2.1 bases along the circumference cutting orientation magnetizing, the N utmost point, the S utmost point are alternately arranged; First permanent magnet on the same radius is identical with the second permanent magnet magnetizing direction, armature tooth is made of first permanent magnet 2.2 and " U " shape that is close to first permanent magnet both sides limit unshakable in one's determination, threephase armature winding 3 is for concentrating winding, on armature tooth, single-phase excitation winding 4 is for concentrating winding, in the groove of each " U " shape core unit bottom.
Shown in Figure 2, between second permanent magnet 2.3 and casing, settle magnetic conduction sheet 2.4, magnetic conduction sheet 2.4 two ends prop up the base of adjacent two " U " shape iron cores 2.1 respectively.Said magnetic conduction sheet 2.4 can be an integral body with " U " shape iron core 2.1.Like this, magnetic conduction sheet constitutes corresponding parallel circuits, under same exciting current condition, can obtain better to regulate the effect of air-gap field.
Claims (6)
1. mixed excitation type switch magnetic linkage motor, it is characterized in that comprising rotor (1), stator (2), threephase armature winding (3), single-phase excitation winding (4) and casing (5), casing is a permeability magnetic material, rotor is made of the Alveolus type core lamination, the stator that is fixed in the casing comprises " U " shape core unit (2.1) and first permanent magnet (2.2) that is arranged in order, " U " shape core unit two bottom sides has groove, first permanent magnet places between two limits of adjacent ' U ' shape core unit, and first permanent magnet is along the circumference cutting orientation magnetizing, and the N utmost point, the S utmost point are alternately arranged; Adjacent ' U ' shape core unit (2.1) is equipped with second permanent magnet (2.3) between the base, and second permanent magnet is along the circumference cutting orientation magnetizing, and the N utmost point, the S utmost point are alternately arranged; First permanent magnet on the same radius is identical with the second permanent magnet magnetizing direction, armature tooth is made of first permanent magnet (2.2) and " U " shape limit unshakable in one's determination of being close to the first permanent magnet both sides, threephase armature winding (3) is for concentrating winding, on armature tooth, single-phase excitation winding (4) is for concentrating winding, in the groove of each " U " shape core unit bottom.
2. mixed excitation type switch magnetic linkage motor according to claim 1 is characterized in that said rotor (1) and " U " shape core unit (2.1) are formed by silicon steel plate packing.
3. mixed excitation type switch magnetic linkage motor according to claim 1 is characterized in that said first permanent magnet (2.2) and second permanent magnet (2.3) neodymium iron boron, SmCo or the ferrite for magnetizing.
4. mixed excitation type switch magnetic linkage motor according to claim 1 is characterized in that the opening of said " U " shape core unit is standard-sized sheet mouth or half opening.
5. mixed excitation type switch magnetic linkage motor according to claim 1 is characterized in that settling magnetic conduction sheet (2.4) between second permanent magnet (2.3) and casing, and the two ends of magnetic conduction sheet (2.4) prop up the base of adjacent two " U " shape iron cores (2.1) respectively.
6. mixed excitation type switch magnetic linkage motor according to claim 5 is characterized in that said magnetic conduction sheet (2.4) and " U " shape core unit (2.1) are an integral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201203775U CN201409070Y (en) | 2009-05-14 | 2009-05-14 | Flux motor with hybrid excitation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201203775U CN201409070Y (en) | 2009-05-14 | 2009-05-14 | Flux motor with hybrid excitation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201409070Y true CN201409070Y (en) | 2010-02-17 |
Family
ID=41680017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201203775U Expired - Lifetime CN201409070Y (en) | 2009-05-14 | 2009-05-14 | Flux motor with hybrid excitation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201409070Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552527B (en) * | 2009-05-14 | 2010-12-08 | 浙江大学 | A mixed excitation type switch magnetic linkage motor |
-
2009
- 2009-05-14 CN CN2009201203775U patent/CN201409070Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552527B (en) * | 2009-05-14 | 2010-12-08 | 浙江大学 | A mixed excitation type switch magnetic linkage motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101552497B (en) | A mixed excitation biconvex pole motor T | |
| CN101355286B (en) | Mixing excitation type permanent magnet switch magnetic linkage electric machine | |
| CN101355289B (en) | Modularization error-tolerance type permanent magnet switch magnetic linkage straight line motor | |
| Zheng et al. | Magnetic characteristics investigation of an axial-axial flux compound-structure PMSM used for HEVs | |
| CN103078466B (en) | Magnetism-gathering-type magnetic flux switching permanent magnet memory motor | |
| CN103066719B (en) | A kind of magneticfocusing stator permanent magnetic type vernier motor | |
| CN101431284B (en) | Composite switch reluctance motor | |
| CN103051138B (en) | Multi-tooth magnetic flux switching permanent magnetic memory motor | |
| CN201278474Y (en) | Mixed excitation type permanent magnet switch magnet link motor | |
| CN101820192A (en) | Mixed excitation permanent magnet flux switching motor | |
| CN104242501A (en) | Application method of mixed permanent magnets in flux-switching permanent magnet motor | |
| CN107222075A (en) | A kind of bimorph transducer mixed excitation electric machine with T-shaped inner stator unshakable in one's determination | |
| CN105553128B (en) | A kind of mixed excited magnetic pass switch motor | |
| CA2380575A1 (en) | Brushless motor | |
| CN101662198A (en) | Stator surface mounted doubly salient pole permanent magnet motor | |
| CN101562384B (en) | Magnetic-field-enhanced permanent-magnetic switching flux linkage motor with high fault tolerance | |
| CN101651371B (en) | Stator surface mounted doubly salient permanent magnet motor with auxiliary salient pole | |
| CN108616203A (en) | Misplace bimorph transducer composite excitation type axial magnetic field flux switch motor | |
| CN104467333B (en) | Rotor excitation multi-phase reluctance motor and control method thereof | |
| CN104410180A (en) | E-shaped stator core flux switching type hybrid permanent magnet memory motor | |
| CN109951038A (en) | Bilateral excitation type tangential magnet-steel hybrid exciting brushless motor | |
| CN108110978A (en) | A kind of bilateral hybrid excitation stator partition magnetic flux adjustable permanent-magnet motor of few rare earth | |
| CN101552494B (en) | A mixed excitation switch magnetic linkage motor | |
| CN201409069Y (en) | Hybrid excitation doubly-salient motor | |
| CN101552527B (en) | A mixed excitation type switch magnetic linkage motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100217 Effective date of abandoning: 20090514 |