CN102130551A - Dual-stator magnetic-suspension permanent magnet generator - Google Patents
Dual-stator magnetic-suspension permanent magnet generator Download PDFInfo
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- CN102130551A CN102130551A CN2010100400010A CN201010040001A CN102130551A CN 102130551 A CN102130551 A CN 102130551A CN 2010100400010 A CN2010100400010 A CN 2010100400010A CN 201010040001 A CN201010040001 A CN 201010040001A CN 102130551 A CN102130551 A CN 102130551A
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Abstract
The invention discloses a dual-stator magnetic-suspension permanent magnet generator, belonging to the technical field of clean energy power-supply system equipment. The dual-stator magnetic-suspension permanent magnet generator is characterized in that a first stator and a second stator are arranged at an inner side and an external side of a rotor, and centers of the first and the second stators are fixed with a main shaft, and wires penetrate through respective tubes of the first and the second stators to be leaded out or connected with a junction box after being connected with windings of the first stator and the second stator; and the main shaft is supported by magnetic-suspension bearing devices arranged in a front end cover and a rear end cover, and the rotor is fixed in the middle of the two end covers by screws and is provided with an inside ventilating and cooling device. When the rotor operates, vanes in the end covers are driven to rotate, and air is exhausted out from air gaps by means of gaps among a filter screen and the magnetic suspension bearings, so that an excellent cooling and heat-radiating function can be achieved for a motor. The dual-stator magnetic-suspension permanent magnet generator has the characteristics of simple structure, fewer components, fewer consumed materials, light weight, small volume, low cost, energy conservation, environment protection, simple making process, easiness for realization of mass production by production lines, high power-generation efficiency, stable output power, safety in operation, long service life and wide application range.
Description
Technical field
The present invention relates to a kind of pair of stator magnet floating permanent magnet generator, belong to technical field of new energies, particularly a kind of maglev type permanent magnetism high efficiency generating equipment that is applicable to wind power generation.
Background technology
In the prior art, the maglev type magneto does not have interior ventilation cooling device, is made up of a stator and a rotor, fails in time to dispel the heat, and causes permanent magnet aging in advance easily, has restricted the usefulness and the useful life of magneto; And stator is in conjunction with the generator of a rotor, be only limited to electricity generate function, be difficult to catch air-flow in the fast changing characteristics of motion of nature, thus ubiquity is difficult to when low wind speed start and high wind speed in output voltage instability, problem such as volume is big, benefit is low, the occupation of land space is big, noise is big.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, realize by the following technical solutions:
A kind of pair of stator magnet floating permanent magnet generator, comprise: first stator 1 is arranged on the outside of rotor 2, second stator 3 is arranged on the inboard of rotor 2, center and main shaft 8 is fixing, and lead 11,10 connects the pipeline that passes behind the winding 102,302 of first, second stator separately respectively and draws or be connected with terminal box 14; Main shaft 8 supports by the magnetic bearing device that axial permanent magnetic ring 5, permanent-magnetic clamp 6, radial permanent magnet ring 7 or the permanent-magnetic clamp 7 inner armor bearings 701 that are provided with in the forward and backward end cap 4,9 constitute, screw is fixed on rotor 2 in the middle of the above-mentioned two end cap, wherein, be respectively equipped with air gap 12 and 1201 between the rotor 2 and first stator, second stator; Feature is: ventilation cooling device in being provided with: by the screen pack 401 or the interior fan blade 402 that are provided with in the front end housing 4, the fan blade 901 that rear end cap 9 is provided with is formed; When the rotor running, drive the fan blade rotation in the end cap, air is discharged from air gap 1201 by the gap 1301,13 of screen pack 401, magnetic bearing device, for motor provides good cooling heat dissipation function.
The housing of described first stator 1 is made one by metal material or the two sections processing that break are fixed into one with screw later on again, inboard, housing upper end along the circumferential direction is provided with iron core 101 and winding 102, the center hole of housing lower end is connected with main shaft 8, by key pin, screw or clamp nut positioning and fixing, housing side and following transverse plane are provided with several screws, use during for the vertical or horizontal installation of generator.
Described second stator 3 comprises: the spoke support of being made by metal material, the spoke support outside along the circumferential direction is provided with iron core 301 and winding 302, several lightening holes along the circumferential direction evenly distribute in the inboard area of a circle of spoke support, spoke carriage center position is provided with the circular hole of belt wheel hub, main shaft 8 is fixed by key pin, back-up ring or clamp nut by circular hole.
The described iron core 101,301 that is arranged on first stator 1 and second stator 3, after the silicon steel sheet drawing, the stack riveting is made, in the inboard of annular silicon steel sheet or the outside punching press one circle Ω shape notch of can down going into coil winding 102 or 302, notch quantity is 3a, wherein a＞6 constitute 3 phase or 3n phase generator, wherein n＞1; Perhaps by the silicon steel sheet drawing, the stack riveting is made independent round, square body or polygonal body, iron core periphery suit identical shaped at each, volume is wound with the insulator frame of coil, iron core and coil along the circumferential direction evenly are fixed on the housing inboard of first stator 1 or the spoke support skin of second stator 3 respectively, the quantity of iron core and coil is 3a, by the compound connection of lead, constitute 3 phase or 3n phase generators.
Described rotor 2 mainly is made up of permanent magnet, permanent magnet Xuan Yong Nd iron boron, SmCo or Al-Ni-Co permanent magnet, be shaped as watt body or watt shape sheet, two ends are provided with tappet or the screw for forward and backward end cap positioning and fixing up and down, cylinder magnetic conductor 201 perhaps is set in the middle of rotor, cylinder magnetic conductor two ends are provided with several screws, and watt shape permanent magnetism sheet 202 two ends have
The shape otch respectively along the circumferential direction, is evenly arranged in the inside and outside circumference both sides of cylinder magnetic conductor, two groups
Watt shape permanent magnetism sheet of shape otch and 201 adhesives of cylinder magnetic conductor constitute the annulus that has the tappet circle up and down, connect and fix for the groove in the forward and backward end cap, have saved the technical process of using chemical adhesive.
The quantity of permanent magnet is with reference to the quantity setting of iron core or coil in the described rotor 2, being arranged as of permanent magnet: polarity of the magnetic field, according to S-N-S-N ... the order of S, along the circumferential direction circular evenly distributed, perhaps, press S-N-magnetic inductive block-N-S-magnetic inductive block-S-N-magnetic inductive block-N-S ... the order of S, along the circumferential direction circular evenly distributed, the middle magnetic inductive block 203 that one≤permanent magnet volume is set of per two permanent magnets; To save the use amount of permanent magnet, improve generating efficiency.
Described front end housing 4 and rear end cap 9 are made by NULL, main shaft 8 supports by the magnetic bearing device in the forward and backward end cap 4,9, wherein, the outside of front end housing 4 is provided with screw thread or keyway connects for driver, fan blade 901 or interior fan blade 402 can also can be fixed on the end cap with screw after the split processing with the conjuncted casting of end cap.
Described main shaft 8 is made by round steel, stainless steel or seamless steel pipe, the endoporus pipeline passes through for lead, the main shaft external diameter is provided with the protruding retaining backer for magnetic bearing device, first stator 1, second stator 3, with the location of above-mentioned each parts of accurate control and the size of air gap 12,1201.
Described terminal box 14 can be the binding post box that connects for lead 10,11, so that the large-scale control flow preparation that is complementary with it; Or: be provided with in the box Single Chip Microcomputer (SCM) system, rotating speed detect from the motion tracking governing system, for first stator or second stator make the control circuit of motor start-up, generating, the two-way power generation automatic charger that automaticallyes switch according to wind speed, electromagnetic braking circuit, overvoltage, under-voltage, overcurrent, electric leakage, lightning protection safety protective circuit and contactor be the small capacity double stator wind-driven generator automatic controller that main element is formed, or be provided with two stator motor controllers of doing motor start-up, running, electromagnetic braking for first, second stator.
According to instructions for use, the preparation circuit board or the controller of change terminal box 14 can be configured as: the two stator motor generators of maglev type, the two stator motors of maglev type, the two statodynes of maglev type.
Can or temperature sensor, temperature protector, Hall element be set in the winding of first stator 1, second stator 3 in the housing during as the dual stator wind power machine, and purchase storage battery and power inverter transducer to guarantee to cooperate the normal use of wind-driven generator.
Beneficial effect: the maglev type permanent magnet generator is provided with interior ventilation cooling device, solved the heat dissipation problem of motor, the usefulness and the useful life of magneto have been improved, the maglev type permanent magnet generator of while two stators, compare with single statodyne of equal-wattage, dwindled volume, it is heavy to have reduced amount, cost and noise, increased substantially power output, but external controller, with Single Chip Microcomputer (SCM) system, rotating speed detects from the motion tracking governing system, automatic controller cooperates, to adapt to air-flow in the fast changing characteristics of motion of nature, be difficult to start when having overcome the ubiquitous low wind speed of present wind-driven generator and high wind speed in the output voltage instability, benefit is low, it is big to take up an area of the space, problems such as noise is big have outstanding substantive distinguishing features and obvious improvement.
Description of drawings
Accompanying drawing 2, a kind of vertical cross-sectional schematic of structure that can horizontally-mounted pair of stator magnet floating permanent magnet generator.
Accompanying drawing 3, a kind of pair of stator magnet floating permanent magnet generator AA cross-sectional schematic.
Embodiment
Following examples do not constitute any restriction to protection range of the present invention.
In the accompanying drawing: 1. first stator, 101 iron cores, 102. windings, 2. rotor, 201. cylinder magnetic conductors, 202. watts of shape permanent magnetism sheets, 203. magnetic inductive blocks, 3. second stator, 301. iron cores, 302. windings, 4. fan blades in the front end housing, 401. screen packs, 402., 5. axial permanent magnetic ring, 6. permanent-magnetic clamp, 7. radial permanent magnet ring, 701. bearings, 8. main shaft, 9. rear end cap, 901 fan blades, 10,11. leads, 12,1201 air gaps, 13, the floating gap of 1301 magnetic, 14. terminal boxes.
Embodiment: shown in the accompanying drawing 1, the vertical cross-sectional schematic of structure of a kind of pair of stator magnet floating permanent magnet generator.First stator 1 is arranged on the periphery of rotor 2, and the center hole of stator case is connected with main shaft 8, and lead 11 connects the pipeline that stator winding pass later in the housing and draws; Second stator 3 is arranged on the inside circumference of rotor 2, and center and main shaft 8 are fixing, and lead 10 connections second stator winding passes the pipeline of main shaft inside later on and draws; Main shaft 8 supports by the magnetic bearing device in the forward and backward end cap 4,9, and screw is fixed on rotor 2 in the middle of the above-mentioned two end cap, wherein, is respectively equipped with air gap 12 and 1201 between rotor 2 and first, second stator; As preferably, the permanent magnet in the rotor 2 has the Nd iron boron permanent magnet of tappet on being, front end housing 4 and rear end cap 9 aluminium alloy materials, and main shaft 8 is made for stainless steel tube.
Embodiment: shown in the accompanying drawing 2, a kind of vertical cross-sectional schematic of structure that can horizontally-mounted pair of stator magnet floating permanent magnet generator.The difference of present embodiment and accompanying drawing 1 is: the housing of first stator 1 is provided with terminal box 14, in establish the binding post that several are connected with lead 10,11, connect for the large-scale control flow that is complementary with it and use; And in the middle of rotor 2, cylinder magnetic conductor 201 is set, and cylinder magnetic conductor two ends are provided with several screwed holes, and every watt of shape permanent magnetism sheet 202 two ends have
The shape otch is evenly arranged in the internal and external circumference both sides of cylinder magnetic conductor, two groups
Watt shape permanent magnetism sheet 202 of shape otch and 201 adhesives of cylinder magnetic conductor constitute the annulus that has the tappet circle up and down, after groove clamping in the forward and backward end cap, are fixed by screw.
Embodiment: shown in the accompanying drawing 3, a kind of pair of schematic diagram that stator magnet floating permanent magnet generator AA analyses and observe.
Among the figure: 1. first stator, 2. rotor, 3. second stator, 6. permanent-magnetic clamp, 7. radial permanent magnet ring, 8. main shaft, 12. air gaps, 13. magnetic float the gap.The iron core of first stator 1 and second stator 3, after the silicon steel sheet drawing, the stack riveting is made, in the inboard of annular silicon steel sheet or outside punching press one circle can down go into the Ω shape notch of coil winding, as preferably, notch quantity is 54 grooves, constitutes 3 phase generators; The polarity of the magnetic field of the permanent magnet in the rotor 2 is according to S-N-S-N ... the order circular arrangement of S.
Embodiment: shown in the accompanying drawing 4, the schematic diagram that the different two stator magnet floating permanent magnet generator levels of arranging of a kind of permanent magnets are analysed and observe.The difference of present embodiment and accompanying drawing 3 is that permanent magnet is pressed S-N-magnetic inductive block-N-S-magnetic inductive block-S-N-magnetic inductive block-N--S ... the order circular arrangement of S, the magnetic inductive block 203 of setting≤permanent magnet volume in the middle of per two permanent magnets.
According to the foregoing description and operation principle, some clever manufacturer changes a little or attempts to reduce a certain in addition part and the identical product made, also belongs to the example of protection category of the present invention.
Claims (9)
1. two stator magnet floating permanent magnet generator, comprise: first stator (1) is arranged on the outside of rotor (2), second stator (3) is arranged on the inboard of rotor (2), center and main shaft (8) are fixing, and lead (111), (10) connect the pipeline that passes behind the winding (102), (302) of first, second stator separately respectively and draw or be connected with terminal box (14); Main shaft (8) supports by the magnetic bearing device that axial permanent magnetic ring (5), permanent-magnetic clamp (6), radial permanent magnet ring (7) or permanent-magnetic clamp (7) the inner armor bearing (701) that is provided with in forward and backward end cap (4), (9) constitutes, screw is fixed on rotor (2) in the middle of the above-mentioned two end cap, wherein, be respectively equipped with air gap (12) and (1201) between rotor (2) and first, second stator; Feature is: ventilation cooling device in being provided with: by the screen pack (401) or the interior fan blade (402) that are provided with in the front end housing (4), the fan blade (901) that rear end cap (9) is provided with is formed.
2. according to claim 1 pair of stator magnet floating permanent magnet generator, feature is: the housing of described first stator (1) is made one by metal material or the two sections processing that break are fixed into one with screw later on again, inboard, housing upper end along the circumferential direction is provided with iron core (101) and winding (102), the center hole of housing is connected with main shaft (8), by key pin, screw or clamp nut positioning and fixing, housing side and following transverse plane are provided with several screws, use during for the vertical or horizontal installation of generator.
3. according to claim 1 pair of stator magnet floating permanent magnet generator, feature is: described second stator (3) comprising: the spoke support of being made by metal material, the spoke support outside along the circumferential direction is provided with iron core (301) and winding (302), several lightening holes evenly distribute in the inboard area of a circle of spoke support, spoke carriage center position is provided with the circular hole of belt wheel hub, main shaft (8) is fixed by key pin, back-up ring or clamp nut by circular hole.
4. according to claim 1 pair of stator magnet floating permanent magnet generator, feature is: described iron core (101), (301) that are arranged on first stator (1) and second stator (3), after the silicon steel sheet drawing, the stack riveting is made, in the inboard of annular silicon steel sheet or the outside punching press one circle Ω shape notch of can down going into coil winding (102) or (302), notch quantity is 3a, wherein a＞6, constitute 3 phase or 3n phase generator, wherein n＞1; Perhaps by after the silicon steel sheet drawing, the stack riveting is made independent circle, square or polygonal body, be wound with the insulator frame of coil at the periphery suit of each identical shaped iron core, iron core, coil along the circumferential direction are fixed on the housing inboard of first stator (1) or the spoke support skin of second stator (3) respectively, the quantity of iron core and coil is 3a, by the compound connection of lead, constitute 3 phase or 3n phase generators.
5. according to claim 1 pair of stator magnet floating permanent magnet generator, feature is: described rotor (2) mainly is made up of permanent magnet, permanent magnet Xuan Yong Nd iron boron, SmCo or Al-Ni-Co permanent magnet, be shaped as watt body or watt shape sheet, two ends are provided with tappet or the screw for forward and backward end cap positioning and fixing up and down, perhaps in the middle of rotor cylinder magnetic conductor (201) is set, cylinder magnetic conductor two ends are provided with several screws, and watt shape permanent magnetism sheet (202), two ends have
The shape otch along the circumferential direction is evenly arranged in the inside and outside circumference both sides of cylinder magnetic conductor respectively, two
Watt shape permanent magnetism sheet of shape otch and cylinder magnetic conductor (201) adhesive constitute the annulus that has the tappet circle up and down, connect and fix for the groove in the forward and backward end cap.
6. according to described pair of stator magnet floating of claim 1 permanent magnet generator, feature is: the quantity of permanent magnet is with reference to the quantity setting of iron core or coil in the described rotor (2), being arranged as of permanent magnet: polarity of the magnetic field, press S-N-S-N ... the order of S, along the circumferential direction evenly distributed, perhaps, press S-N-magnetic inductive block-N-S-magnetic inductive block-S-N-magnetic inductive block-N-S ... the order of S, along the circumferential direction evenly distributed, the middle magnetic inductive block (203) that one≤permanent magnet volume is set of per two permanent magnets.
7. according to claim 1 pair of stator magnet floating permanent magnet generator, feature is: described front end housing (4) and rear end cap (9) are made by NULL, main shaft (8) supports by the magnetic bearing device in forward and backward end cap (4), (9), wherein, the outside of front end housing (4) is provided with screw thread or keyway connects for driver, fan blade (901) or interior fan blade (402) can be fixed on the end cap with screw later with conjuncted casting of end cap or split processing.
8. according to claim 1 pair of stator magnet floating permanent magnet generator, feature is: described main shaft (8) is made by round steel, stainless steel or seamless steel pipe, the endoporus pipeline passes through for lead, external diameter is provided with the protruding retaining backer for magnetic bearing device, first stator (1), second stator (3), with the size of the location of above-mentioned each parts of accurate control and air gap (12), (1201).
9. according to claim 1 pair of stator magnet floating permanent magnet generator, feature is: the binding post box of described terminal box (14) for connecting for lead (10), (11), so that the relatively large control flow preparation that is complementary with it; Or: be provided with in the box Single Chip Microcomputer (SCM) system, rotating speed detect from the motion tracking governing system, for first stator or second stator make the control circuit of motor start-up, generating, the two-way power generation automatic charger that automaticallyes switch according to wind speed, electromagnetic braking circuit, overvoltage, under-voltage, overcurrent, electric leakage, lightning protection safety protective circuit and contactor be the small capacity double stator wind-driven generator automatic controller that main element is formed, or be provided with two stator motor controllers of doing motor start-up, running, electromagnetic braking for first, second stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100400010A CN102130551A (en) | 2010-01-18 | 2010-01-18 | Dual-stator magnetic-suspension permanent magnet generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100400010A CN102130551A (en) | 2010-01-18 | 2010-01-18 | Dual-stator magnetic-suspension permanent magnet generator |
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| CN102130551A true CN102130551A (en) | 2011-07-20 |
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| CN2010100400010A Pending CN102130551A (en) | 2010-01-18 | 2010-01-18 | Dual-stator magnetic-suspension permanent magnet generator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570745A (en) * | 2012-01-05 | 2012-07-11 | 陈国宝 | Oil magnetic-suspension double-stator high-efficiency motor |
| CN103780034A (en) * | 2012-10-26 | 2014-05-07 | 王广武 | Intermediate-stator disc-style wind-driven generator |
| CN103775287A (en) * | 2012-10-26 | 2014-05-07 | 王广武 | Vertical shaft disc type wind generating set |
| CN104135116A (en) * | 2013-04-30 | 2014-11-05 | 罗伯特·博世有限公司 | Electric motor including stator and rotor |
| CN104852509A (en) * | 2015-06-11 | 2015-08-19 | 韩景 | Magnetic-suspension type relative rotation generator |
| CN105450087A (en) * | 2014-08-26 | 2016-03-30 | 付真强 | Permanent magnet set rotator and suspension permanent-magnet motor |
| CN107994745A (en) * | 2017-12-10 | 2018-05-04 | 山东理工大学 | A kind of hub motor type electric car with redundancy feature |
| CN109980876A (en) * | 2019-04-08 | 2019-07-05 | 四川大学 | A kind of synchronous motor two-level rotor structure |
| CN110360248A (en) * | 2019-07-30 | 2019-10-22 | 福州大学 | A kind of magnetic rheological brake of recyclable structure motion energy |
| CN111064331A (en) * | 2019-12-23 | 2020-04-24 | 江苏大学 | Bearingless permanent magnet sheet motor with double-stator structure |
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| CN2773358Y (en) * | 2005-03-11 | 2006-04-19 | 谢丹平 | High-speed magnetic-suspension centrifugal blower |
| CN1909340A (en) * | 2005-08-01 | 2007-02-07 | 张孟杰 | Synergy permanent-magnet-field generator |
| JP2007166764A (en) * | 2005-12-13 | 2007-06-28 | Oita Univ | Permanent magnet rotary electric machine |
| CN101359847A (en) * | 2008-09-27 | 2009-02-04 | 沈阳工业大学 | Combined rotor structure of permanent magnet wind power generator |
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| CN87212741U (en) * | 1987-10-21 | 1988-11-16 | 邹健 | Twin-stator 3-phase alternator |
| CN2773358Y (en) * | 2005-03-11 | 2006-04-19 | 谢丹平 | High-speed magnetic-suspension centrifugal blower |
| CN1909340A (en) * | 2005-08-01 | 2007-02-07 | 张孟杰 | Synergy permanent-magnet-field generator |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570745A (en) * | 2012-01-05 | 2012-07-11 | 陈国宝 | Oil magnetic-suspension double-stator high-efficiency motor |
| CN102570745B (en) * | 2012-01-05 | 2015-01-28 | 陈国宝 | Oil magnetic-suspension double-stator high-efficiency motor |
| CN103780034A (en) * | 2012-10-26 | 2014-05-07 | 王广武 | Intermediate-stator disc-style wind-driven generator |
| CN103775287A (en) * | 2012-10-26 | 2014-05-07 | 王广武 | Vertical shaft disc type wind generating set |
| CN103780034B (en) * | 2012-10-26 | 2018-07-10 | 王广武 | Intermediate stator disk type wind-mill generator |
| CN104135116A (en) * | 2013-04-30 | 2014-11-05 | 罗伯特·博世有限公司 | Electric motor including stator and rotor |
| CN105450087A (en) * | 2014-08-26 | 2016-03-30 | 付真强 | Permanent magnet set rotator and suspension permanent-magnet motor |
| CN104852509A (en) * | 2015-06-11 | 2015-08-19 | 韩景 | Magnetic-suspension type relative rotation generator |
| CN107994745A (en) * | 2017-12-10 | 2018-05-04 | 山东理工大学 | A kind of hub motor type electric car with redundancy feature |
| CN109980876A (en) * | 2019-04-08 | 2019-07-05 | 四川大学 | A kind of synchronous motor two-level rotor structure |
| CN110360248A (en) * | 2019-07-30 | 2019-10-22 | 福州大学 | A kind of magnetic rheological brake of recyclable structure motion energy |
| CN110360248B (en) * | 2019-07-30 | 2020-12-25 | 福州大学 | Magnetorheological brake capable of recycling structure motion energy |
| CN111064331A (en) * | 2019-12-23 | 2020-04-24 | 江苏大学 | Bearingless permanent magnet sheet motor with double-stator structure |
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Application publication date: 20110720 |