CN101197521B - Electric motor with large torque - Google Patents
Electric motor with large torque Download PDFInfo
- Publication number
- CN101197521B CN101197521B CN2006101572126A CN200610157212A CN101197521B CN 101197521 B CN101197521 B CN 101197521B CN 2006101572126 A CN2006101572126 A CN 2006101572126A CN 200610157212 A CN200610157212 A CN 200610157212A CN 101197521 B CN101197521 B CN 101197521B
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- armature winding
- stator
- magnetic
- direct current
- 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.)
- Active
Links
Images
Abstract
The invention discloses a high torque motor which comprises a rotor and a stator. The rotor comprises a rotating shaft and at least a non-magnetic material disc rotor housing provided with at least two magnetic poles, and the disc rotor housing is connected to the rotating shaft. The stator comprises at least four stator teeth. Each stator tooth comprises end covers positioned on the rotating shaft and axially facing the two ends, a mounting frame made of magnetic materials which are arranged on the rotating shaft via a non-magnetic connector, and armature winding components which are fixed on the mounting frame. The armature winding components comprise cores made of a iron magnetic material with the number of the cores not less than that of the disc rotor housing, and an armature winding part constituted by a winding, wherein, the cores are fixed on the mounting frame and every two armature winding parts corresponds to one rotor housing. The poles on the mounting frame, armature winding parts and the rotor plates form a close magnetic circuit. The invention has the advantages of high specific power, high torque, and power conversion efficiency.
Description
Technical field
The present invention relates to motor, relate in particular to DC motor or generator.
Background technology
At the mechanical/electrical energy of big moment, the perhaps transformation applications of electric energy/mechanical energy, the motor of existing multiple structure.As, the disclosed a kind of coreless high power density disk type electric machine of Chinese patent application CN02132316.X, its structure is: the motor housing internal fixation has the disc type stator coil, on disc type stator coil both sides two-sided rotor yoke dish is arranged, be fixed with some on the two-sided rotor yoke dish to permanent magnet, two-sided rotor yoke dish links to each other with machine shaft, and machine shaft is supported on the shaft bearing, and shaft bearing is supported on the motor housing; And for example, the disclosed a kind of bypass mixed excitation electrical motor of Chinese patent application CN200510112090.4, include housing, two end caps, two cover direct excitation windings, stator and rotors, the rotor surface magnetic pole is staggered by permanent-magnet pole and ferromagnetism rotor magnetic pole and constitutes, about having two cover DC excitation windings to be placed in respectively in two end caps, housing and end cap are made by permeability magnetic material, and rotating shaft is that nonferromugnetic material is made.
How to make up electric machine structure, especially concerning the lower application of rated speed, improve the unit power and the moment of motor, improve the conversion efficiency of energy, people seek better solution always constantly.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, and proposes to improve the unit power and the moment of motor, improves the new electric machine structure of the conversion efficiency of energy.
To achieve these goals, the present invention manufactures a kind of big moment direct current machine, comprise rotor and stator, and: described rotor, comprise rotating shaft and at least one disk type rotor seat that links to each other with this rotating shaft, those rotator seats are nonmagnetic substances, along being provided with at least two magnetic poles on the radial circumference of rotating shaft;
Described stator comprises along equally distributed four stator tooths on the radial circumference of rotating shaft at least;
Each stator tooth of described stator, comprise two end caps that link to each other with rotating shaft that lay respectively at the axial two ends of rotating shaft, between this two end cap and be connected the installing rack and the armature winding assembly of the magnetic material of two end cap outer, this armature winding assembly is installed on the described installing rack, and this installing rack is fixed in the described rotating shaft by the connector of a nonmagnetic substance;
Described armature winding assembly comprises that number is not less than the armature winding parts of the number of described disk type rotor seat;
Described armature winding parts comprise the core of a ferrimagnet and the coil on this core, and this core is fixed on the described installing rack;
The corresponding rotator seat of per two armature winding parts, the position of the magnetic pole on axial and this corresponding rotator seat of the core of these two armature winding parts and coil is corresponding, and the gap of each armature winding parts and this magnetic pole remains in the setting range;
In each stator tooth of described stator, the magnetic pole on installing rack, armature winding assembly and the rotating disk constitutes closed magnetic circuit.
Also comprise excitation winding, be arranged in described closed magnetic circuit.
At least two magnetic poles that described rotator seat upwards is provided with in the footpath along rotating shaft, be the ferromagnetism utmost point and the permanent-magnet pole that distributes in pairs, the ferromagnetism utmost point and permanent-magnet pole on same rotator seat are interspersed, and the ferromagnetism utmost point on the different rotor seat and the ferromagnetism utmost point, permanent-magnet pole and permanent-magnet pole are axially aligning along rotating shaft.
All permanent-magnet poles in the described rotator seat have identical polarity.
The core of the ferrimagnet in the described ferromagnetism utmost point and the armature winding parts all is high magnetic conductive materials.
The number of described excitation winding is one or two, is positioned at the inboard place of two end cap of stator tooth.
The two end cap of described stator tooth is a nonmagnetic substance.
Described rotating shaft is a magnetic material.
The number of stator tooth is four multiple in the described stator.
The number of the disk type rotor seat of described rotor is one to six.
Compared with prior art, electric motor with large torque of the present invention, unit power and moment are big, the conversion efficiency height of energy.
Description of drawings
Fig. 1 is the overall structure signal of electric motor with large torque embodiment of the present invention;
Fig. 2 is the operation principle signal of electric motor with large torque embodiment of the present invention;
Fig. 3 is that A-A looks signal to cutting among Fig. 2;
Fig. 4 is the rotor structure signal of electric motor with large torque embodiment of the present invention;
Fig. 5 is the armature structure signal of electric motor with large torque embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is given elaboration further.
Electric motor with large torque embodiment of the present invention, shown in Fig. 1-5, comprise: one has the stator 1 of the groove that is used to install armature coil, one is equipped with the rotor 2 of the strong ferrimagnet utmost point and the permanent magnet material utmost point, one has the magnet exciting coil 4 and a commutator 5 of armature coil assemblies 3, the one spiral windings that laminate armature core; Stator 1 by some magnetic compartments, form with the stator tooth of the parallel distribution of rotor, the number of the stator tooth in stator, a representative value is 96; Rotor 2 contains the strong ferrimagnet utmost point 21 and the permanent magnet material utmost point 22 of equivalent amount, and they distribute by a graded with respect to the fixed armature assembly of annular; Rotator seat 24 is made by nonmagnetic substance, is fixed together with rotating shaft 23; The end of the strong ferromagnetic material post of ∏ shape of the axial distribution on the stator 1 is fixed on the nonmagnetic installing rack 14, by non magnetic disk 13, is fixed in the rotating shaft 23 by bearing 12 on the installing rack 14 of stator 1 again; The coil of each armature all is loaded in the space/groove of profile of tooth magnetic intercolumniation separately, whole armature coil assemblies 3 is then by a conversion equipment, be commutator 5---control, this commutator 5 is fixedly installed on the end face 6 of motor, also be provided with the connectivity port that is electrically connected between armature coil assemblies 3, magnet exciting coil 4 and the commutator 5 on this end face 6, the brush pivot in the commutator 5 then is fixed together with rotating shaft 23.
The composite excitation of motor is by a common spiral Wound-rotor type magnet exciting coil 4, constitute with the strong ferrimagnet utmost point 22 and the permanent magnet material utmost point 21 that are installed in according to a definite sequence on the disk type rotor 24/25, and make the strong ferrimagnet utmost point 22 on the rotor 2 be distributed on the polarity zone, and the permanent magnet material utmost point 21 is distributed on another polarity zone, and the quantity of the strong ferrimagnet utmost point 22 always equates with the quantity of the permanent magnet material utmost point 21.
This structure can make the armature reaction of motor weaken greatly, can improve the unit power and the moment of motor, especially concerning the lower motor of rated speed.And, because the religion of the quality of rotor portion is light, can improve the overwork ability of motor, also can improve the responsiveness of motor, the energy consumption when being reduced in the conversion work state; Structure is modular, existence is along two structural members of an axial alternation, promptly comprise the armature assembly of tooth components and armature coil and the disk type rotor assembly of the non magnetic disk of the strong ferromagnetic material utmost point and the permanent magnet material utmost point is housed, can simplify the manufacturing process of motor, reduce manufacturing cost.
In electric motor with large torque embodiment of the present invention, the magnetic force stream B closure of the magnetic force stream A of field coil for motor and the permanent magnet material utmost point is in two parallel planes, can guarantee like this in the polarity subregion of the disk type rotor that the strong ferromagnetic material utmost point is housed, magnetic force stream by the working clearance closure is arranged, and its size equals the magnetomotive force stream of magnet exciting coil.On the disk type rotor that the permanent magnet material utmost point is housed in the polarity subregion, magnetic force stream size in the work magnetic gap is the stack of permanent magnet material utmost point magnetic force stream and outside magnetic force stream, for outside magnetic force stream, the resistance that territory, permanent magnet material polar region is produced is bigger, so the extremely magnetomotive recruitment of permanent magnet material is littler than magnet exciting coil magnetomotive force.And, can realize that the intensity of two magnetic force streams in the polarity subregion equates by the outside magnetic force stream that the control field coil for motor produces.Like this, do not have the magnetic force stream A of field coil for motor and the magnetic force of the permanent magnet material utmost point in this motor and flow the common magnetic circuit zone that B passes through, the asymmetry of magnetic circuit can not occur.
Owing to taked the measure of restriction armature induction, promptly on the closed path of armature coil magnetomotive force magnetic force stream, a series of space/grooves are set, like this, during gap length in determining the main magnetic force stream of motor closed path between armature assembly and the disk type rotor, technically only need to guarantee that its minimum value is just passable, therefore, not only the size of magnet exciting coil winding can be dwindled, and the energy loss in the coil can reduce.
In electric motor with large torque embodiment of the present invention, because rotor 2 does not have the very large iron core of quality, so the quality of motor rotating parts is reduced the also corresponding increase of its responsiveness.The closed path of the magnetomotive force of armature coil stream by the armature tooth components side surface and the space/groove between the very little tooth components of magnetic conductivity, so just limited armature induction, also just can obtain the magnetic force stream of excess load, this is because the appearance of magnetic force stream excess load mainly is owing to there is not the inclination in magnetic field in the working clearance.The raising of motor overload ability to work can improve its dynamic characteristic, such as time of acceleration performance, starting and brake etc., thereby also just can improve the production efficiency of corresponding industrial equipment, the power consumption when being reduced in the operating state conversion.
In electric motor with large torque embodiment of the present invention, two kinds of methods that armature coil is installed can be arranged: each armature all adopts double-layer coil, perhaps all adopts single layer coil.And, the magnetic conductor of armature coil has relative displacement when installing in the polarity subregion, with respect to the coil 311 of armature 31 displacement is arranged as the coil 322 of armature 32, the coil 342 of armature 34 has displacement again with respect to the coil 332 of armature 33, so just can guarantee the magnetomotive force compensation of whole armature coil-end face portion magnetic current, that is to say that in the path of main magnetic force stream, there is not the magnetic current fluctuation of pulsed in the coil-end face portion.
Coil 312,322,332 and 342 forms the armature coil of a closure, its power supply is by conversion equipment---and be commutator 5 controls, this commutator is the commutator of common DC motor, and it is fixing by connector 51 and bearing 52, and its two ends are equipped with contact ring 54,55 across insulation spacer 53.According to the difference of loop construction, outlet the end of a thread of armature coil can be turned round and weave into rope 35, and is connected with commutator thin slice 56.Brush 58 is housed on the brush carriage 57, is connected with cross-arm 59 on being fixed on rotating shaft 23, alternating current is input on the ring 54,55 that insulate between fixed and shell.The brush 58 of commutator 5 contacts with contact ring 54,55 and corresponding commutator thin slice 56 simultaneously, promptly plays electric action, can be again to carry out electric current between the coil 312,322,332 and 342 of armature 31,32,33 and 34 and distribute.Commutator 5 can link to each other with external dc power with 72 by power supply terminal 71.
Electric motor with large torque embodiment of the present invention, use operation principle to be as motor:
When giving armature coil 312,322,332 and 342 and magnet exciting coil 4 energising after, in motor, produce magnetic force stream, it forms the closed-loop path by the rotor 2 that has the strong ferromagnetic material utmost point 21, and form main magnetic current with the magnetic force that magnetomotive force produced of the permanent magnet material utmost point 22 stream is common, main magnetic current and armature assembly 31,32,33 and 34 winding wire interacts, promptly produce electromagnetic torque, under the effect of this moment, rotor 2 begins rotation, and by the conversion of electric current in the commutator 5 control armature coils, when rotor 2 during towards the rotation of direction, be in and the strong ferromagnetic material utmost point 21 and the permanent magnet material utmost point 22 relative status as lead, the electric current in the lead remains unchanged.
The control method of motor rotary speed and inversion frequency can adopt existing routine techniques.But also can regulate main magnetic current, thereby reach the adjusting of rotating speed by closing magnet exciting coil fully.Like this, a lot of industrial machinery can be worked under power save mode, need the equipment of frequent transitions operating state as those, and need when underload, carry out QA equipment, such as: the return action of machinery such as vertically plane lathe, milling train, handling equipment.
And, know that according to the principle of the reverse operation of motor and generator electric motor with large torque embodiment of the present invention only needs by external force, drive rotating shaft 23 to rotate, just can obtain direct current and export.And should drive external force, the source that can infer can be wind-force or the long-living waterpower of current that air flows produces, can also be the burning of fuel and the steam that produces, thereby make this DC motor structure, can realize the generating that energy conversion efficiency is higher.
Foregoing; it only is preferred embodiment of the present invention; be not to be used to limit embodiment of the present invention; those of ordinary skills are according to main design of the present invention and spirit; can carry out corresponding flexible or modification very easily, so protection scope of the present invention should be as the criterion with the desired protection range of claims.
Claims (10)
1. one kind big moment direct current machine comprises rotor and stator, it is characterized in that:
Described rotor comprises rotating shaft and at least one disk type rotor seat that links to each other with this rotating shaft, and those rotator seats are nonmagnetic substances, along being provided with at least two magnetic poles on the radial circumference of rotating shaft;
Described stator comprises along equally distributed four stator tooths on the radial circumference of rotating shaft at least;
Each stator tooth of described stator, comprise two end caps that link to each other with rotating shaft that lay respectively at the axial two ends of rotating shaft, between this two end cap and be connected the installing rack and the armature winding assembly of the magnetic material of two end cap outer, this armature winding assembly is installed on the described installing rack, and this installing rack is fixed in the described rotating shaft by the connector of a nonmagnetic substance;
Described armature winding assembly comprises that number is not less than the armature winding parts of the number of described disk type rotor seat;
Described armature winding parts comprise the core of a ferrimagnet and the coil on this core, and this core is fixed on the described installing rack;
The corresponding rotator seat of per two armature winding parts, the position of the magnetic pole on axial and this corresponding rotator seat of the core of these two armature winding parts and coil is corresponding, and the gap of each armature winding parts and this magnetic pole remains in the setting range;
In each stator tooth of described stator, the magnetic pole on installing rack, armature winding assembly and the rotating disk constitutes closed magnetic circuit.
2. big moment direct current machine as claimed in claim 1 is characterized in that: also comprise excitation winding, be arranged in described closed magnetic circuit.
3. big moment direct current machine as claimed in claim 2, it is characterized in that: at least two magnetic poles that described rotator seat upwards is provided with in the footpath along rotating shaft, be the ferromagnetism utmost point and the permanent-magnet pole that distributes in pairs, the ferromagnetism utmost point and permanent-magnet pole on same rotator seat are interspersed, and the ferromagnetism utmost point on the different rotor seat and the ferromagnetism utmost point, permanent-magnet pole and permanent-magnet pole are axially aligning along rotating shaft.
4. big moment direct current machine as claimed in claim 3 is characterized in that: all permanent-magnet poles in the described rotator seat have identical polarity.
5. big moment direct current machine as claimed in claim 3 is characterized in that: the core of the ferrimagnet in the described ferromagnetism utmost point and the armature winding parts all is high magnetic conductive materials.
6. big moment direct current machine as claimed in claim 2, it is characterized in that: the number of described excitation winding is one or two, is positioned at the inboard place of two end cap of stator tooth.
7. big moment direct current machine as claimed in claim 2, it is characterized in that: the two end cap of described stator tooth is a nonmagnetic substance.
8. big moment direct current machine as claimed in claim 2, it is characterized in that: described rotating shaft is a magnetic material.
9. big moment direct current machine as claimed in claim 2 is characterized in that: the number of stator tooth is four multiple in the described stator.
10. as the arbitrary described big moment direct current machine of claim 1 to 9, it is characterized in that: the number of the disk type rotor seat of described rotor is one to six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101572126A CN101197521B (en) | 2006-12-05 | 2006-12-05 | Electric motor with large torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101572126A CN101197521B (en) | 2006-12-05 | 2006-12-05 | Electric motor with large torque |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101197521A CN101197521A (en) | 2008-06-11 |
| CN101197521B true CN101197521B (en) | 2010-12-08 |
Family
ID=39547727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101572126A Active CN101197521B (en) | 2006-12-05 | 2006-12-05 | Electric motor with large torque |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101197521B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475110A (en) * | 2013-09-22 | 2013-12-25 | 福清市康富机械有限公司 | Novel motor |
| CN104052230A (en) * | 2014-06-04 | 2014-09-17 | 叶洪源 | Minitype rotary oscillation motor based on resonance |
| CN104702050A (en) * | 2015-02-10 | 2015-06-10 | 马涛 | Electromagnetic reconnection motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294770A (en) * | 1998-03-19 | 2001-05-09 | 莱特工程公司 | Electric motor or generator |
| CN1549432A (en) * | 2002-10-14 | 2004-11-24 | 迪尔公司 | Axial gap brushless DC motor |
| CN1734895A (en) * | 2004-08-02 | 2006-02-15 | 日产自动车株式会社 | Electric rotating machine |
-
2006
- 2006-12-05 CN CN2006101572126A patent/CN101197521B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294770A (en) * | 1998-03-19 | 2001-05-09 | 莱特工程公司 | Electric motor or generator |
| CN1549432A (en) * | 2002-10-14 | 2004-11-24 | 迪尔公司 | Axial gap brushless DC motor |
| CN1734895A (en) * | 2004-08-02 | 2006-02-15 | 日产自动车株式会社 | Electric rotating machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101197521A (en) | 2008-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3454459B1 (en) | Efficient laminated coreless generator and manufacturing method therefor | |
| CN103390978B (en) | A kind of bimorph transducer disc type mixed excitation electric machine | |
| CN101291095B (en) | Hybrid switch reluctance motor | |
| CN102801264A (en) | Permanent magnet laminated motor | |
| CA2523014A1 (en) | Generator having axially aligned stator poles and/or rotor poles | |
| CN206524695U (en) | A kind of bearing-free permanent magnet thin-sheet motor | |
| CN102355099A (en) | Multi-magnetic circuit disc type generator | |
| CN102624183A (en) | Permanent-magnet axial-magnetic-field brushless motor and assembling method thereof | |
| CN113437849B (en) | Double-rotor single-stator axial magnetic flux hybrid excitation motor | |
| CN107681854A (en) | A kind of axial permanent magnetic motor | |
| CN115001229A (en) | Whole-pitch winding axial flux switched reluctance motor and multi-target optimization method thereof | |
| CN101197521B (en) | Electric motor with large torque | |
| CN103178666A (en) | Combined motor with switched reluctance motors and double disk type permanent magnet motors with axial magnetic fields | |
| CN204244045U (en) | With new and effective synchronous motor and the fan of feedback signal | |
| CN112994390A (en) | Birotor radial permanent magnet motor | |
| CN200990554Y (en) | Large torque motor | |
| CN106787302A (en) | A kind of bearing-free permanent magnet thin-sheet motor | |
| CN110417223A (en) | A kind of magneto magnetic regulation mechanism and its adjustable magnetic method | |
| CN110492708A (en) | Laminated type vernier motor | |
| CN105915007B (en) | A kind of reluctance type disc type electric machine | |
| CN108494219A (en) | A kind of cylindrical linear motor | |
| CN101373916B (en) | Disk type rotor motor | |
| CN105790501A (en) | Permanent magnet generator with heater | |
| RU2490773C2 (en) | Dc electromagnetic machine | |
| CN205753907U (en) | There is the hybrid excitation permanent magnet motor of double Exciting Windings for Transverse Differential Protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: HAN JIANJING Owner name: SHENZHEN FENGFA SCIENCE AND TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: ZHOU QINGYU Effective date: 20110616 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 8G, BUILDING 1, LONGDU MINGYUAN, LONGJING ROAD, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 NO. 2-3, XINYUAN INDUSTRIAL ZONE, XINMU COMMUNITY, PINGHU SUBDISTRICT, LONGGANG DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110616 Address after: Pinghu Street Community Park Wood Industrial Zone of Longgang District of Shenzhen City, Guangdong Province, No. 2 -3 518000 Patentee after: Shenzhen Fengfa Technology Development Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Longjing road long Park Building 1 8G Co-patentee before: Han Jianjing Patentee before: Zhou Qingyu |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180102 Address after: 271100 Taishan Road, Laiwu hi tech Zone, Laiwu, Shandong Province, No. 39 Patentee after: Shandong wind Amperex Technology Limited Address before: Pinghu Street Community Park Wood Industrial Zone of Longgang District of Shenzhen City, Guangdong Province, No. 2 -3 518000 Patentee before: Shenzhen Fengfa Technology Development Co.,Ltd. |
|
| TR01 | Transfer of patent right |