CN103915960A - Integrated electromagnetic speed-regulating motor - Google Patents
Integrated electromagnetic speed-regulating motor Download PDFInfo
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- CN103915960A CN103915960A CN201210597939.1A CN201210597939A CN103915960A CN 103915960 A CN103915960 A CN 103915960A CN 201210597939 A CN201210597939 A CN 201210597939A CN 103915960 A CN103915960 A CN 103915960A
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Abstract
An integrated electromagnetic speed-regulating motor is characterized in that the speed-regulating motor comprises a stator, a combined-type outer rotor, an inner rotor, a rotating shaft, an air gap between the stator and the combined-type outer rotor, and an air gap between the combined-type outer rotor and the inner rotor. The combined-type outer rotor comprises an external-layer cylindrical rotor, a middle-layer magnet isolation cylinder and an internal-layer cylindrical armature. The external-layer cylindrical rotor is the same with the rotor of a conventional AC asynchronous motor; the middle-layer magnet isolation cylinder utilizes magnet-unconductive stainless steel; and the internal-layer cylindrical armature is the same with the armature of an electromagnetic slip clutch of a conventional electromagnetic speed-regulating motor. The beneficial effects of the integrated electromagnetic speed-regulating motor are that the integration of the AC asynchronous motor and the electromagnetic slip clutch of the conventional electromagnetic speed-regulating motor is realized; a frequency converter can be replaced; the integrated electromagnetic speed-regulating motor can be widely applied to various loads need stepless speed regulation drive; and the integrated electromagnetic speed-regulating motor has the advantages of being simple in structure, small in size, few in material consumption, low in manufacture and usage cost, short in axial length; small in land occupation area, and little in mechanical loss and the like.
Description
Technical field
The present invention relates to a kind of electromagnetic varispeed motor, relate in particular to a kind of integrated type electromagnetic varispeed motor, can be widely used in the various fields that need speed governing to drive.
Background technology
Electromagnetic varispeed motor (claiming again slip electric motor) is made up of three-phase AC asynchronous motor and electromagnetic slip clutches and exciting current controller three parts, wherein, threephase asynchronous is prime mover of electromagnetic varispeed motor, for the running of electromagnetic varispeed motor provides power, electromagnetic slip clutches provide the exciting current varying in size to complete speed-regulating function by exciting current controller.
The three-phase AC asynchronous motor of traditional electrical electromagnetic speed-adjustable motor and electromagnetic slip clutches are two separate parts, they adopt fabricated structure, link together by arbor, asynchronous motor does not have support, utilizes flange on its end cap to be contained on the support of electromagnetic slip clutches and becomes entirety.So traditional electrical electromagnetic speed-adjustable motor has the deficiencies such as complex structure, volume is large, material usage is many, manufacturing cost is high, axial length is long, floor space is large, mechanical loss is large.
Summary of the invention
The object of the invention is to overcome prior art deficiency, realize the integrated of the AC asynchronous motor of traditional electrical electromagnetic speed-adjustable motor and electromagnetic slip clutches, provide a kind of simple in structure, volume is little, material usage is few, low cost of manufacture, axial length is short, floor space is little, mechanical loss is little integrated type electromagnetic varispeed motor.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of integrated type electromagnetic varispeed motor, is made up of the air gap between the air gap between stator, composite type external rotor, internal rotor, rotating shaft, stator and composite type external rotor, composite type external rotor and internal rotor.
Described stator comprises stator core, stator winding, casing and support, identical with the stator of conventional AC asynchronous motor.
Described composite type external rotor comprises that outer cylindrical rotor, middle level are every magnetic cylinder and inner layer cylinder shape armature; Described outer cylindrical rotor, middle level together with inner layer cylinder shape armature mutual sheathing, are fixed into an entirety every magnetic cylinder.Described outer cylindrical rotor is made up of outer cylindrical rotor iron core and outer cylindrical rotor winding, and described outer cylindrical rotor adopts cylindrical shape cage rotor structure; Described outer cylindrical rotor also can adopt the real core steel of cylindrical shape body structure.Described middle level adopts non-magnetic stainless steel every the material of magnetic cylinder.Described inner layer cylinder shape armature adopts cylindrical shape cage rotor structure or the real core steel of cylindrical shape body structure.
Between described stator and composite type external rotor, form air gap.
Described internal rotor comprises internal rotor iron core and internal rotor excitation winding.Described internal rotor adopts Lundell structure, identical with the field structure of traditional electrical electromagnetic speed-adjustable motor; Described internal rotor also can adopt salient pole type or the distributed polar rotor structure of traditional electrical excitation synchronous motor.The quantity of the magnetic pole of described internal rotor can be 2 utmost points, 4 utmost points, 6 utmost points, 8 utmost points, 10 utmost points, 12 utmost points, etc.
Between described composite type external rotor and internal rotor, form air gap.
Described rotating shaft comprises outer rotor shaft and inner rotor shaft, and described outer rotor shaft is also driving shaft, and described composite type external rotor is fixed on described outer rotor shaft; Described inner rotor shaft is also driven shaft, and described internal rotor is fixed on described inner rotor shaft.Described outer rotor shaft and inner rotor shaft are arranged on support by bearing.
The present invention is also applicable to the structure of disc type electric machine.
The invention has the beneficial effects as follows:
The present invention has realized the integrated of the AC asynchronous motor of traditional electrical electromagnetic speed-adjustable motor and electromagnetic slip clutches, can be widely used in the various rotating machinery loads that need speed governing driving, as blower fan, water pump, oil transfer pump, elevator, belt conveyer, drag conveyor, electric automobile and track traffic even load, have simple in structure, durable in use, volume is little, material usage is few, manufacturing cost and use cost is low, axial length is short, floor space is little, mechanical loss is little, energy-efficient, speed-regulating range width, be not subject to the restriction of voltage and power grade, all parts are all the advantages such as domestic.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the example structure schematic diagram of the composite type external rotor of the present invention in Fig. 1;
Fig. 3 is the another kind of example structure schematic diagram of the composite type external rotor of the present invention in Fig. 1.
Fig. 4 is the another kind of example structure schematic diagram of the composite type external rotor of the present invention in Fig. 1.
Fig. 5 is the another kind of example structure schematic diagram of the composite type external rotor of the present invention in Fig. 1.
In figure, 1-stator; Air gap between 2-stator and composite type external rotor; 3-composite type external rotor; The outer cylindrical rotor of 3-1-; The outer cylindrical rotor iron core of 3-1-1-; The outer cylindrical rotor winding of 3-1-2-; 3-2-middle level is every magnetic cylinder; 3-3-inner layer cylinder shape armature; 3-3-1-inner layer cylinder shape armature core; 3-3-2-inner layer cylinder shape armature winding; Air gap between 4-composite type external rotor and internal rotor; 5-internal rotor; 6-rotating shaft.
Embodiment
Embodiment mono-:
With reference to attached Fig. 1 and 2, a kind of integrated type electromagnetic varispeed motor, is made up of the air gap 4 between the air gap 2 between stator 1, composite type external rotor 3, internal rotor 5, rotating shaft 6, stator 1 and composite type external rotor 3, composite type external rotor 3 and internal rotor 5.
Described stator 1 comprises stator core, stator winding, casing and support, identical with the stator of conventional AC asynchronous motor.
Described composite type external rotor 3 comprises that outer cylindrical rotor 3-1, middle level are every magnetic cylinder 3-2 and inner layer cylinder shape armature 3-3.Described outer cylindrical rotor 3-1, middle level together with inner layer cylinder shape armature 3-3 mutual sheathing, are fixed into an entirety every magnetic cylinder 3-2; Described outer cylindrical rotor 3-1 is made up of outer cylindrical rotor iron core 3-1-1 and outer cylindrical rotor winding 3-1-2, and described outer cylindrical rotor 3-1 adopts cylindrical shape cage rotor structure.Described middle level adopts non-magnetic stainless steel every the material of magnetic cylinder 3-2.Described inner layer cylinder shape armature 3-3 adopts cylindrical shape cage rotor structure.
Between described stator 1 and composite type external rotor 3, form air gap 2.
Described internal rotor 5 comprises internal rotor iron core and internal rotor excitation winding.Described internal rotor 5 adopts Lundell structure, identical with the field structure of traditional electrical electromagnetic speed-adjustable motor; Described internal rotor 5 also can adopt salient pole type or the distributed polar rotor structure of traditional electrical excitation synchronous motor.The quantity of the magnetic pole of described internal rotor 5 can be 2 utmost points, 4 utmost points, 6 utmost points, 8 utmost points, 10 utmost points, 12 utmost points, etc.
Between described composite type external rotor 3 and internal rotor 5, form air gap 4.
Described rotating shaft 6 comprises outer rotor shaft and inner rotor shaft, and described outer rotor shaft is also driving shaft, and described composite type external rotor 3 is fixed on outer rotor shaft; Described inner rotor shaft is also driven shaft, and described internal rotor 5 is fixed on inner rotor shaft.Described outer rotor shaft and inner rotor shaft are arranged on support by bearing.
Embodiment bis-:
With reference to accompanying drawing 3, a kind of another kind of embodiment of integrated type electromagnetic varispeed motor.Use the inner layer cylinder shape armature 3-3 of the composite type external rotor 3 in embodiment mono-instead the real core steel of cylindrical shape body structure.
Embodiment tri-:
With reference to accompanying drawing 4, a kind of another kind of embodiment of integrated type electromagnetic varispeed motor.Use the outer cylindrical rotor 3-1 of the composite type external rotor 3 in embodiment mono-instead the real core steel of cylindrical shape body structure.
Embodiment tetra-:
With reference to accompanying drawing 5, a kind of another kind of embodiment of integrated type electromagnetic varispeed motor.All use the outer cylindrical rotor 3-1 of the composite type external rotor 3 in embodiment mono-and inner layer cylinder shape armature 3-3 instead the real core steel of cylindrical shape body structure.
Claims (4)
1. an integrated type electromagnetic varispeed motor, is made up of the air gap between the air gap between stator, composite type external rotor, internal rotor, rotating shaft, stator and composite type external rotor, composite type external rotor and internal rotor.
Described stator comprises stator core, stator winding, casing and support, identical with the stator of conventional AC asynchronous motor.
Described composite type external rotor comprises that outer cylindrical rotor, middle level are every magnetic cylinder and inner layer cylinder shape armature; Described outer cylindrical rotor, middle level together with inner layer cylinder shape armature mutual sheathing, are fixed into an entirety every magnetic cylinder.Described outer cylindrical rotor is made up of outer cylindrical rotor iron core and outer cylindrical rotor winding, and described outer cylindrical rotor adopts cylindrical shape cage rotor structure; Described middle level adopts non-magnetic stainless steel every the material of magnetic cylinder; Described inner layer cylinder shape armature adopts cylindrical shape cage rotor structure.
Between described stator and composite type external rotor, form air gap.
Described internal rotor comprises internal rotor iron core and internal rotor excitation winding.Described internal rotor adopts Lundell structure, identical with the field structure of traditional electrical electromagnetic speed-adjustable motor; Described internal rotor also can adopt salient pole type or the distributed polar rotor structure of traditional electrical excitation synchronous motor.The quantity of the magnetic pole of described internal rotor can be 2 utmost points, 4 utmost points, 6 utmost points, 8 utmost points, 10 utmost points, 12 utmost points, etc.
Between described composite type external rotor and internal rotor, form air gap.
Described rotating shaft comprises outer rotor shaft and inner rotor shaft, and described outer rotor shaft is also driving shaft, and described composite type external rotor is fixed on outer rotor shaft; Described inner rotor shaft is also driven shaft, and described internal rotor is fixed on inner rotor shaft.Described outer rotor shaft and inner rotor shaft are arranged on support by bearing.
The present invention is also applicable to the structure of disc type electric machine.
2. a kind of integrated type electromagnetic varispeed motor according to claim 1, is characterized in that using the inner layer cylinder shape armature of composite type external rotor instead the real core steel of cylindrical shape body structure.
3. a kind of integrated type electromagnetic varispeed motor according to claim 1, is characterized in that using the outer cylindrical rotor of composite type external rotor instead the real core steel of cylindrical shape body structure.
4. a kind of integrated type electromagnetic varispeed motor according to claim 1, is characterized in that using the outer cylindrical rotor of composite type external rotor and inner layer cylinder shape armature instead the real core steel of cylindrical shape body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210597939.1A CN103915960A (en) | 2012-12-28 | 2012-12-28 | Integrated electromagnetic speed-regulating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210597939.1A CN103915960A (en) | 2012-12-28 | 2012-12-28 | Integrated electromagnetic speed-regulating motor |
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| CN103915960A true CN103915960A (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210597939.1A Pending CN103915960A (en) | 2012-12-28 | 2012-12-28 | Integrated electromagnetic speed-regulating motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253586A (en) * | 2016-08-15 | 2016-12-21 | 璧垫旦 | A kind of AC servo angle measurement vibration unit |
| CN106411078A (en) * | 2016-06-06 | 2017-02-15 | 陈铁钢 | High-speed birotor alternating current asynchronous motor |
| CN106451966A (en) * | 2016-10-31 | 2017-02-22 | 广东威灵电机制造有限公司 | Motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272077A (en) * | 2008-04-17 | 2008-09-24 | 中国科学院电工研究所 | External rotor used for double-mechanical port electric motor |
| CN101465592A (en) * | 2009-01-08 | 2009-06-24 | 清华大学 | Variable-frequency control electromagnetic torsion coupler and use thereof |
| CN101895178A (en) * | 2010-06-04 | 2010-11-24 | 华小平 | Megawatt dual-rotor direct drive permanent magnet wind driven generator |
| CN101951048A (en) * | 2010-08-31 | 2011-01-19 | 东南大学 | Direct-drive electric motor modulated basing on space magnetic field |
-
2012
- 2012-12-28 CN CN201210597939.1A patent/CN103915960A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272077A (en) * | 2008-04-17 | 2008-09-24 | 中国科学院电工研究所 | External rotor used for double-mechanical port electric motor |
| CN101465592A (en) * | 2009-01-08 | 2009-06-24 | 清华大学 | Variable-frequency control electromagnetic torsion coupler and use thereof |
| CN101895178A (en) * | 2010-06-04 | 2010-11-24 | 华小平 | Megawatt dual-rotor direct drive permanent magnet wind driven generator |
| CN101951048A (en) * | 2010-08-31 | 2011-01-19 | 东南大学 | Direct-drive electric motor modulated basing on space magnetic field |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411078A (en) * | 2016-06-06 | 2017-02-15 | 陈铁钢 | High-speed birotor alternating current asynchronous motor |
| CN106253586A (en) * | 2016-08-15 | 2016-12-21 | 璧垫旦 | A kind of AC servo angle measurement vibration unit |
| CN106253586B (en) * | 2016-08-15 | 2019-06-18 | 嘉兴学院 | A kind of AC servo angle measurement vibration unit |
| CN106451966A (en) * | 2016-10-31 | 2017-02-22 | 广东威灵电机制造有限公司 | Motor |
| CN106451966B (en) * | 2016-10-31 | 2018-11-23 | 广东威灵电机制造有限公司 | Motor |
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Application publication date: 20140709 |