CN102223007A - High-speed permanent magnet motor/generator - Google Patents
High-speed permanent magnet motor/generator Download PDFInfo
- Publication number
- CN102223007A CN102223007A CN2011101739500A CN201110173950A CN102223007A CN 102223007 A CN102223007 A CN 102223007A CN 2011101739500 A CN2011101739500 A CN 2011101739500A CN 201110173950 A CN201110173950 A CN 201110173950A CN 102223007 A CN102223007 A CN 102223007A
- Authority
- CN
- China
- Prior art keywords
- pressure gas
- bearing
- generator
- dynamic pressure
- shell
- 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
Links
Images
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a high-speed permanent magnet motor/generator. Dynamic pressure gas radial bearings are installed in bearing blocks at two ends of a shell, wherein one bearing block is provided with a dynamic pressure gas thrust bearing at the outer end of a dynamic pressure gas radial bearing; and a rotating shaft of a rotor is fixedly installed in shaft holes of the dynamic pressure gas radial bearings and the dynamic pressure gas thrust bearing. Inner sleeves of the dynamic pressure gas radial bearings and an inner disk of the dynamic pressure gas thrust bearing generate an air wedge in a fit clearance of corresponding outer sleeves and a corresponding outer disk, so a high-pressure gas film for supporting the inner sleeves and the inner disk to rotate at a high speed is formed; and more air is pressed into an air gap through a centrifugal impeller principle to form a gas film with higher pressure, so that the high-speed permanent magnet motor/generator has the advantages of high rotation speed, high power density, small inertia, quick response, reliable performance, long service life, low noise, simple structure, small volume and the like, can save a large number of production materials, and has broad application prospect.
Description
Technical field
The present invention relates to technical field of motors, relate in particular to a kind of high-speed permanent magnetic motor/generator.
Background technology
Electromechanics trade is a traditional industry, but indispensable.In order to make this traditional industry continue to develop, just advanced person's material, design of electrical motor theory, power electronic technology, digital control technology and control theory etc. must be applied to machine field.
High-speed electric expreess locomotive has obtained using widely in many fields such as turbocharger, air compressor, pump motor, molecule centrifuge, electric tool, energy accumulation device for fly wheel, distributed turbogenerator, high speed grinding machine, electric main shafts as a special kinds in the motor.In these application scenarios, have plenty of requirement, have plenty of, also have plenty of because some efficient height just when loading on high-speed cruising because the power density of high-speed electric expreess locomotive and load thereof is very high thereby system bulk is little for speed itself.
Because the rotating speed height, the power density of motor is big, and its physical dimension is much smaller than the identical middle slowspeed machine of power output, therefore economical with materials effectively; Because the moment of inertia of high-speed electric expreess locomotive is less, so dynamic response is very fast; Because high-speed electric expreess locomotive can directly link to each other with prime mover or load, saved traditional mechanical variable speed device again, the volume of whole drive system and quality all can reduce, thereby can reduce noise, improve the efficient of drive system.With the turbocharger is example, and when using the ultrahigh speed motor, the volume of its motor, turbine and compressor all significantly reduces and efficient is effectively improved.
In recent years, the miniature gas turbine that is used for the distributed energy supply system drives high-speed engine and more and more is subjected to people's attention.Magneto is suitable for high-speed electric expreess locomotive most because simple in structure, power is can density high and do not have advantage such as excitation loss.
Summary of the invention
The technical problem to be solved in the present invention provide a kind ofly have the rotating speed height, power density is big, inertia is little, response is fast, dependable performance, the life-span is permanent, simple in structure, volume is little and save excellent properties such as manufactured materials, and can realize the high-speed permanent magnetic motor/generator of industrialization.
The technical scheme that adopts for solving the problems of the technologies described above: a kind of high-speed permanent magnetic motor/generator, comprise shell, the stator that constitutes by coil windings and iron core, place the rotor that permanent magnet is installed in the stator, be installed in the bearing pedestal at shell two ends and be installed in the bearing that rotates in order to supporting rotor in the bearing pedestal, it is characterized in that: in the bearing pedestal at described shell two ends the kinetic pressure gas journal bearing is installed all, wherein a bearing pedestal is equipped with kinetic pressure gas thrust bearing in the outer end of kinetic pressure gas journal bearing, and the rotating shaft of described rotor is fixedly mounted in the axis hole of kinetic pressure gas journal bearing and kinetic pressure gas thrust bearing; Described kinetic pressure gas journal bearing comprises the overcoat of gap fit, interior cover, and the sealing ring that is fixed on the overcoat two ends, described overcoat is fixed in the bearing pedestal, the axis hole of cover and rotor shaft fixed installation in described, the periphery wall of cover is formed with the equally distributed groove line that constitutes wedge shape space with the inwall of overcoat that has in described, the both ends of the surface of cover are symmetrically formed and are the groove line that the impeller shape distributes and connects the end face inside and outside circle, the both ends of the surface matched in clearance of described sealing ring and interior cover in described; Described kinetic pressure gas thrust bearing comprises that two coil and are matched in clearance outward and place two inner discs between the outer dish, wherein the both ends of the surface of inner disc are symmetrically formed and are the groove line that the impeller shape distributes and connects the end face inside and outside circle, cushion between the part of the protrusion inner disc of two outer dishes and be thicker than inner disc so that the gasket ring of inner disc running clearance to be provided, and be fixedly clamped at bearing pedestal the axis hole of described inner disc and rotor shaft fixed installation by end cap.
Can be preferably, the fit clearance of described interior cover and overcoat, inner disc and outer dish is 0.001～0.008mm.
On the basis of the above, the inwall of described shell is installed with water jacket, described stator is fixed in the water jacket, the periphery wall of water jacket be formed with guiding gutter and in the both sides in guiding gutter zone in order to the annular groove of sealing ring to be installed, on the shell wall of shell, offer the water inlet and the delivery port that are communicated with the two-port of guiding gutter respectively.
Can be preferably, described guiding gutter is set as helical form.
Adopt the beneficial effect that the present invention brought: in high-speed permanent magnetic motor/generator of the present invention, being used for the journal bearing and the thrust bearing of supporting rotor high speed rotating all adopts hydrodynamic gas-lubricated bearing, hydrodynamic gas-lubricated bearing as lubricant, utilizes high pressure air film support rotor high speed rotating with gas.Rotor shaft drives the interior cover of kinetic pressure gas journal bearing and the inner disc high speed rotating of kinetic pressure gas thrust bearing, generation gas wedge in the fit clearance of corresponding with it overcoat and outer dish, form the high pressure air film of interior cover of supporting and inner disc high speed rotating therefrom, and utilize the centrifugal impeller principle, more air is pressed in the air gap, to form the air film more add high pressure, make advantages such as high-speed permanent magnetic motor/generator of the present invention has the rotating speed height, power density is big, inertia is little, response is fast, dependable performance, the life-span is permanent, noise is low.Further, the water jacket as water-cooling system is installed in motor housing,, is had advantages such as simple in structure, that volume is little, can save a large amount of manufactured materialss, and industrialized implementation is easy with respect to the radiating fin of the required processing of traditional air cooling system.It has not only solved high-speed electric expreess locomotive stator iron loss and the serious problem of rotor eddy current loss, and solved high-speed electric expreess locomotive and had the problem that rotating speed is not high, the life-span is short, also solved simultaneously because the little motor physical dimension of bringing of motor speed power density not high, motor is bigger, and the motor material that therefore causes expend more, inertia is big, the slower problem of response.High-speed permanent magnet motor of the present invention both can be used as high-speed motor and had used, and also can be used as high-speed engine and used, and the high-speed engine that especially is fit to drive with miniature gas turbine uses as the distributed energy supply system, has broad application prospects.
Description of drawings
Fig. 1 is the cross-sectional view of high-speed permanent magnetic motor/generator of the present invention;
Fig. 2 is the inner disc structural representation of high-speed permanent magnetic motor/generator of the present invention;
Fig. 3 is the interior cover end face structure schematic diagram of high-speed permanent magnetic motor/generator of the present invention.
Embodiment
As Figure 1-3, a kind of high-speed permanent magnetic motor/generator, places the rotor 3 that permanent magnet 301 is installed in the stator 2, bearing pedestal 4a, the 4b that is installed in shell 1 two ends at the stator 2 that comprises shell 1, is made of coil windings 201 and iron core 202.In bearing pedestal 4a, the 4b at shell 1 two ends kinetic pressure gas journal bearing 5 is installed all, wherein a bearing pedestal 4b is equipped with kinetic pressure gas thrust bearing 6 in the outer end of kinetic pressure gas journal bearing 5.Stator 2 and rotor 3 are known technology, no longer describe in detail here.
Kinetic pressure gas journal bearing 5 comprises overcoat 501, the interior cover 502 of gap fit, and the sealing ring 503 that is fixed on overcoat 501 two ends, overcoat 501 is separately fixed in bearing pedestal 4a, the 4b, the axis hole and the rotor shaft 302 of interior cover 502 are connected and fixed installation by known key, the periphery wall of interior cover 502 is formed with the equally distributed groove line that constitutes wedge shape space with the inwall of overcoat 501 that has, the both ends of the surface of interior cover 502 are symmetrically formed and are the groove line 5021 that the impeller shape distributes and connects the end face inside and outside circle, the both ends of the surface matched in clearance of sealing ring 503 and interior cover 502.
Kinetic pressure gas thrust bearing 6 comprises two outer dishes 601 and is matched in clearance and places two inner discs 602 between the outer dish 601, wherein the both ends of the surface of inner disc 602 are symmetrically formed and are the groove line 6021 that the impeller shape distributes and connects the end face inside and outside circle, cushion between the part of the protrusion inner disc 602 of two outer dishes 601 and be thicker than inner disc 602 so that the gasket ring 7 of inner disc 602 running clearances to be provided, and be fixedly clamped at bearing pedestal 4b by end cap 8, the axis hole of inner disc 602 and rotor shaft 302 are connected and fixed installation by known key.When making motor rotate, can reach dynamic equilibrium, above-mentioned in the axis hole of cover 502 and inner disc 602 all evenly lay three keyways 5022,6022 in order to provide key to be connected at internal perisporium, can certainly evenly lay the several keys groove.The lead-out wire of coil windings 201 is drawn by bearing pedestal 4a end.
The inwall of shell 1 is installed with water jacket 9, stator 2 is fixed in the water jacket 9, the periphery wall of water jacket 9 is formed with helical form guiding gutter 901, and form in order to the annular groove 902 of sealing ring to be installed in the both sides that form guiding gutter 901 zones, on the shell wall of shell 1, offer the water inlet 101 and the delivery port 102 that are communicated with the two-port of guiding gutter 901 respectively, the mouth of a river 101 and delivery port 102 can be communicated with peripheral hardware circulating cooling system pipeline, realize efficiently cooling.
Claims (4)
1. high-speed permanent magnetic motor/generator, the stator that comprises shell, constitutes by coil windings and iron core, place rotor that permanent magnet is installed in the stator, be installed in the bearing pedestal at shell two ends and be installed in the bearing that rotates in order to supporting rotor in the bearing pedestal, it is characterized in that: in the bearing pedestal at described shell two ends the kinetic pressure gas journal bearing is installed all, wherein a bearing pedestal is equipped with kinetic pressure gas thrust bearing in the outer end of kinetic pressure gas journal bearing, and the rotating shaft of described rotor is fixedly mounted in the axis hole of kinetic pressure gas journal bearing and kinetic pressure gas thrust bearing; Described kinetic pressure gas journal bearing comprises the overcoat of gap fit, interior cover, and the sealing ring that is fixed on the overcoat two ends, described overcoat is fixed in the bearing pedestal, the axis hole of cover and rotor shaft fixed installation in described, the periphery wall of cover is formed with the equally distributed groove line that constitutes wedge shape space with the inwall of overcoat that has in described, the both ends of the surface of cover are symmetrically formed and are the groove line that the impeller shape distributes and connects the end face inside and outside circle, the both ends of the surface matched in clearance of described sealing ring and interior cover in described; Described kinetic pressure gas thrust bearing comprises that two coil and are matched in clearance outward and place two inner discs between the outer dish, wherein the both ends of the surface of inner disc are symmetrically formed and are the groove line that the impeller shape distributes and connects the end face inside and outside circle, cushion between the part of the protrusion inner disc of two outer dishes and be thicker than inner disc so that the gasket ring of inner disc running clearance to be provided, and be fixedly clamped at bearing pedestal the axis hole of described inner disc and rotor shaft fixed installation by end cap.
2. a kind of high-speed permanent magnetic motor/generator as claimed in claim 1 is characterized in that: the fit clearance of cover and overcoat, inner disc and outer dish is 0.001～0.008mm in described.
3. a kind of high-speed permanent magnetic motor/generator as claimed in claim 1, it is characterized in that: the inwall of described shell is installed with water jacket, described stator is fixed in the water jacket, the periphery wall of water jacket be formed with guiding gutter and in the both sides in guiding gutter zone in order to the annular groove of sealing ring to be installed, on the shell wall of shell, offer the water inlet and the delivery port that are communicated with the two-port of guiding gutter respectively.
4. a kind of high-speed permanent magnetic motor/generator as claimed in claim 3, it is characterized in that: described guiding gutter is set as helical form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101739500A CN102223007A (en) | 2011-06-24 | 2011-06-24 | High-speed permanent magnet motor/generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101739500A CN102223007A (en) | 2011-06-24 | 2011-06-24 | High-speed permanent magnet motor/generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102223007A true CN102223007A (en) | 2011-10-19 |
Family
ID=44779462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101739500A Pending CN102223007A (en) | 2011-06-24 | 2011-06-24 | High-speed permanent magnet motor/generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102223007A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410197A (en) * | 2014-12-16 | 2015-03-11 | 安徽威能电机有限公司 | Stainless steel motor casing structure |
| CN105888847A (en) * | 2015-05-19 | 2016-08-24 | 罗立峰 | Minitype turbojet engine |
| CN106014641A (en) * | 2015-05-19 | 2016-10-12 | 罗立峰 | Superspeed turbojet engine |
| CN106505783A (en) * | 2016-12-19 | 2017-03-15 | 南京磁谷科技有限公司 | A kind of 280kw magnetic-suspension high-speeds blower fan structure |
| CN108886298A (en) * | 2016-05-25 | 2018-11-23 | 赛莱转子股份公司 | Motors and Motor Rotors |
| CN109660057A (en) * | 2018-12-22 | 2019-04-19 | 泉州鑫鸿海机械设备有限公司 | Unidirectional rotation permanent magnet high-speed motor and bidirectional air bearing thereof |
| CN111130269A (en) * | 2018-10-30 | 2020-05-08 | 本田技研工业株式会社 | Saddle-ride type electric vehicle |
| CN112211831A (en) * | 2020-11-03 | 2021-01-12 | 潍坊翔云动力科技有限公司 | Air Suspension High Speed Centrifugal Compressor |
| CN112352371A (en) * | 2018-06-29 | 2021-02-09 | 赛莱转子股份公司 | Electric machine |
| CN114204738A (en) * | 2021-11-11 | 2022-03-18 | 中船重工电机科技股份有限公司 | Construction method of seawater direct-connection cooling structure of marine propulsion motor |
| CN114483611A (en) * | 2022-01-21 | 2022-05-13 | 扬州大学 | Main shaft structure of dynamic pressure floating ring and magnetic bearing supported fuel cell air compressor |
| WO2023281164A1 (en) * | 2021-07-05 | 2023-01-12 | Ori Solution Oy | A generator and a method for generating electricity with a generator |
| EP4456385A1 (en) * | 2023-04-24 | 2024-10-30 | Celeroton AG | High speed electrical machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1403715A (en) * | 1971-08-11 | 1975-08-28 | Atomic Energy Authority Uk | Gas bearings |
| CN1044976A (en) * | 1989-08-04 | 1990-08-29 | 机械电子工业部洛阳轴承研究所 | Gas floating ring hybrid bearing and ultra high speed air accurate main shaft |
| CN1419057A (en) * | 2001-11-13 | 2003-05-21 | Ntn株式会社 | Fluid bearing |
| JP2007100963A (en) * | 2001-11-13 | 2007-04-19 | Ntn Corp | Fluid bearing device |
| CN200991756Y (en) * | 2006-12-18 | 2007-12-19 | 广州市大族高精电机有限公司 | Main axle device |
| CN202094738U (en) * | 2011-06-24 | 2011-12-28 | 罗立峰 | High speed permanent magnet motor/generator |
-
2011
- 2011-06-24 CN CN2011101739500A patent/CN102223007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1403715A (en) * | 1971-08-11 | 1975-08-28 | Atomic Energy Authority Uk | Gas bearings |
| CN1044976A (en) * | 1989-08-04 | 1990-08-29 | 机械电子工业部洛阳轴承研究所 | Gas floating ring hybrid bearing and ultra high speed air accurate main shaft |
| CN1419057A (en) * | 2001-11-13 | 2003-05-21 | Ntn株式会社 | Fluid bearing |
| JP2007100963A (en) * | 2001-11-13 | 2007-04-19 | Ntn Corp | Fluid bearing device |
| CN200991756Y (en) * | 2006-12-18 | 2007-12-19 | 广州市大族高精电机有限公司 | Main axle device |
| CN202094738U (en) * | 2011-06-24 | 2011-12-28 | 罗立峰 | High speed permanent magnet motor/generator |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410197A (en) * | 2014-12-16 | 2015-03-11 | 安徽威能电机有限公司 | Stainless steel motor casing structure |
| CN105888847A (en) * | 2015-05-19 | 2016-08-24 | 罗立峰 | Minitype turbojet engine |
| CN106014641A (en) * | 2015-05-19 | 2016-10-12 | 罗立峰 | Superspeed turbojet engine |
| WO2016184407A1 (en) * | 2015-05-19 | 2016-11-24 | 罗立峰 | Miniature motor |
| WO2016184406A1 (en) * | 2015-05-19 | 2016-11-24 | 罗立峰 | Ultra-high speed motor |
| CN108886298A (en) * | 2016-05-25 | 2018-11-23 | 赛莱转子股份公司 | Motors and Motor Rotors |
| US11750058B2 (en) | 2016-05-25 | 2023-09-05 | Celeroton Ag | Electrical machine and rotor for an electrical machine |
| JP2022109924A (en) * | 2016-05-25 | 2022-07-28 | セレロトン・アクチェンゲゼルシャフト | rotor |
| US11329529B2 (en) | 2016-05-25 | 2022-05-10 | Celeroton Ag | Electrical machine and rotor for an electrical machine |
| CN108886298B (en) * | 2016-05-25 | 2021-11-02 | 赛莱转子股份公司 | Motors and Motor Rotors |
| CN106505783A (en) * | 2016-12-19 | 2017-03-15 | 南京磁谷科技有限公司 | A kind of 280kw magnetic-suspension high-speeds blower fan structure |
| CN112352371A (en) * | 2018-06-29 | 2021-02-09 | 赛莱转子股份公司 | Electric machine |
| US11180019B2 (en) | 2018-10-30 | 2021-11-23 | Honda Motor Co., Ltd. | Saddle-type electric vehicle |
| CN111130269A (en) * | 2018-10-30 | 2020-05-08 | 本田技研工业株式会社 | Saddle-ride type electric vehicle |
| CN109660057A (en) * | 2018-12-22 | 2019-04-19 | 泉州鑫鸿海机械设备有限公司 | Unidirectional rotation permanent magnet high-speed motor and bidirectional air bearing thereof |
| CN109660057B (en) * | 2018-12-22 | 2024-07-12 | 拓浦柯(中国)有限公司 | Unidirectional rotation permanent magnet high-speed motor and bidirectional air bearing thereof |
| CN112211831A (en) * | 2020-11-03 | 2021-01-12 | 潍坊翔云动力科技有限公司 | Air Suspension High Speed Centrifugal Compressor |
| WO2023281164A1 (en) * | 2021-07-05 | 2023-01-12 | Ori Solution Oy | A generator and a method for generating electricity with a generator |
| CN114204738A (en) * | 2021-11-11 | 2022-03-18 | 中船重工电机科技股份有限公司 | Construction method of seawater direct-connection cooling structure of marine propulsion motor |
| CN114204738B (en) * | 2021-11-11 | 2023-08-11 | 中船重工电机科技股份有限公司 | Construction method of sea water straight-through cooling structure of marine propulsion motor |
| CN114483611A (en) * | 2022-01-21 | 2022-05-13 | 扬州大学 | Main shaft structure of dynamic pressure floating ring and magnetic bearing supported fuel cell air compressor |
| CN114483611B (en) * | 2022-01-21 | 2024-02-13 | 扬州大学 | Main shaft structure of dynamic pressure floating ring and magnetic bearing supporting fuel cell air compressor |
| EP4456385A1 (en) * | 2023-04-24 | 2024-10-30 | Celeroton AG | High speed electrical machine |
| WO2024223478A1 (en) * | 2023-04-24 | 2024-10-31 | Celeroton Turbocell Ag | High speed electrical machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102223007A (en) | High-speed permanent magnet motor/generator | |
| CN202094738U (en) | High speed permanent magnet motor/generator | |
| CN201934324U (en) | Permanent magnetic levitation axial electric pump | |
| CN106505780B (en) | Magnetic suspension permanent magnet direct-drive high-speed motor | |
| JPH04231607A (en) | Integral power unit device | |
| CN202034877U (en) | Built-in permanent-magnetic rotor high-speed motor | |
| CN102148592A (en) | Magnetic suspension support structure used for vertical hub-disk motor | |
| CN1945940A (en) | Integrated permanent magnet rotor magnetic suspension high speed motor | |
| CN102983679A (en) | In-slot self-cooling high-speed permanent magnetic motor system for compressor | |
| CN101604876A (en) | Fan-cooled rotor in shaft of high-speed permanent magnet motor | |
| CN107023328A (en) | Vertical permanent magnet suspension cogeneration machine | |
| CN101789664B (en) | Disk wind driven generator | |
| CN109067024B (en) | Large-torque micro-vibration magnetic suspension switched reluctance motor | |
| US20110049902A1 (en) | Air cooled brushless wind alternator | |
| CN101373917A (en) | Multi-disc type permanent magnet synchronous motor | |
| CN101534031A (en) | Suspended impeller-type direct current (DC) motor | |
| CN206060459U (en) | A kind of low noise heat radiating type threephase asynchronous machine | |
| CN107387172A (en) | Vertical two-stage permanent magnetism gas suspension ORC cogeneration machines | |
| CN109149843B (en) | A kind of air bearing rotor bearing-free motor of slot wedge ventilation | |
| CN216343036U (en) | Magnetic suspension hydrogen circulating pump | |
| CN217240543U (en) | Magnetic suspension vapor compressor | |
| Truijen et al. | Axial flux PMSM power take-off for a rim-driven contra-rotating pump-turbine | |
| CN102170205A (en) | Efficient permanent magnet generator with no-iron core and multiple stator | |
| CN211474265U (en) | Rotor system and micro gas turbine generator set | |
| Rodrigues et al. | Design of high-speed induction motors and associate inverter for direct drive of centrifugal machines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111019 |