CN104632529A - Vertical axis efficient hollow-core megawatt wind driven generator and generator set - Google Patents
Vertical axis efficient hollow-core megawatt wind driven generator and generator set Download PDFInfo
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- CN104632529A CN104632529A CN201310544329.XA CN201310544329A CN104632529A CN 104632529 A CN104632529 A CN 104632529A CN 201310544329 A CN201310544329 A CN 201310544329A CN 104632529 A CN104632529 A CN 104632529A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention provides a vertical axis efficient hollow-core megawatt wind driven generator. The vertical axis efficient hollow-core megawatt wind driven generator comprises blades (1), magnets (2), coils (4), a main shaft (24), a plurality of layers of rotor wheel rings (13), motor supporting rods (9) and motor supporting blades (6). The motor supporting rods (9) support the layers of rotor wheel rings (13) in a radial manner, and one end of each motor supporting blade (6) supports the layers of rotor wheel rings (13) in an inclined manner; the motor supporting rods (9) and the other ends of the motor supporting blades (6) are supported on a rotor shaft sleeve (20); and the blades (1) are connected with the layers of rotor wheel rings (13), and the multiple magnets (2) of the layers of rotor wheel rings exist. On the basis of a layer of hollow-core type structure, a multilayer-magnet and multilayer-coil type structure is additionally arranged. According to the wind driven generator, single-machine multilayer type or multi-machine multilayer power generation can be achieved, and the industrial-grade multi-set power generation also can be achieved, so that megawatt power generation is achieved.
Description
Technical field
The present invention relates to a kind of vertical shaft breeze start-up efficient hollow combined type MW class wind turbine group, specifically a kind of heavy caliber, lightweight, short blade, the assembling of multiple unit multilayer, the assembling of multimachine multilayer group magnet multilayer group coil, multi-level formula structure generator, fixing by vertical shaft suit, share an integrated circuit, can civilian (industrial) distributed wind-power generator unit of gentle breeze light air startup.
Volume of the present invention is little, of many uses, structure is simple, can install flexibly according to different situations, thus change original wind-driven generator structure complexity, the weak and bulky shortcoming of intensity, be applicable to being contained on various building, do not limit by site condition, accomplished the comprehensive utilization to wind resource better.
Background technique
Existing wind-driven generator is all utilize blade to intercept wind energy, and wind turbine drive electrical generators generates electricity.Normally used generator has horizontal axis and vertical axis aerogenerator, the generator of vertical axis aerogenerator is all disc type coreless structure mostly, coil arrangement direction is perpendicular to rotating shaft, coil periphery is different with interior cutting magnetic line speed of enclosing, although can breeze start-up, efficiency be low, and weight lays particular stress on, cost is high, is applicable to the city that wind direction is indefinite.Horizontal axis wind-driven generator generally comprises 3 blades, and minority has 5-6 blade, and blade is typical cantilever beam structure, and root of blade bears huge stress, frangibility in high wind.Thus the root of blade of horizontal axis wind-driven generator is all very sturdy, this considerably increases weight, and especially for megawatt-grade high-power wind-driven generator, blade is longer, and rotating speed is lower on the contrary, and moment increases, and further increases the stress of root of blade.
Large-scale MW class wind turbine, generally has speed-change gear box speedup, makes generator be operated in 50HZ, generates electricity by way of merging two or more grid systems.Because gear-box is generally heavier, be therefore difficult to during gentle breeze start.General wind-driven generator, in order to increase magnetic field crosslink density, coil is all around on iron core, can produce suction with magnet, even if optimize magnetic circuit, generally all want the wind speed of 3 metre per second (m/s)s to start, iron core can produce vibrations in addition, magnetic hysteresis eddy current, and overall efficiency is not high.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, there is provided one can breeze start-up, efficiency is high, the box-like wind power generating set of industry (civilian) distributed group of low cost of manufacture, on the basis of one deck open core structure, increase multilayer magnet, lattice coil formula structure, both can realize unit multiple layer or the generating of multimachine multiple layer also can realize the generating of technical grade multicomputer, reaches MW class.Be sleeved on longer fixing axis by the overlap of multiple unit and can be formed one " wind-powered electricity generation post ", can be interconnected to again " the wind turbine woods " or " wind-powered electricity generation column wall ".This structural change assembly structure of conventional vertical axis wind power generator, the vertical-shaft wind turbine installed can be combined with modern architecture, form distinctive brand-new building code and wind power system, the wind resource of various Around Buildings is fully used, forms unique view new energy wind energy turbine set.It is achieved through the following technical solutions:
The efficient hollow MW class wind turbine of a kind of vertical shaft provided by the invention, comprise blade (1), magnet (2), coil (4), main shaft (24), multi-layer rotor wheel rim (13), motor support bar (9), motor support blade (6), wherein, multi-layer rotor wheel rim (13) described in described motor support bar (9) radial support, multi-layer rotor wheel rim (13) described in one end bearing diagonal of described motor support blade (6), and described motor support bar (9) is supported on described rotor axle sleeve (20) with the other end of motor support blade (6); Described blade (1) is connected with described multi-layer rotor wheel rim (13), and the magnet (2) of described multi-layer rotor wheel rim has multiple; Also comprise interior multi-layer stator irony circle (22) and stator support sheet (5), one end of described stator support sheet (5) supports described multi-layer stator bracing ring (22), the other end of described stator support sheet (5) is supported in main shaft (24), described coil (4) comprises multilayer, be installed on described multi-layer stator irony circle (22), lattice coil (4) has many groups, often organizes the coil plane of coil (4) and the circumferential surface general parallel orientation of described multi-layer stator irony circle (22).
Alternatively, described coil can be coreless coil.
Alternatively, the generator radius that described multi-layer stator irony circle (22) and irony circle (21) in multi-layer rotor are formed is 9/10 to ten/10ths of the inswept circle radius in blade (1) outer end.
Alternatively, also comprise rectifier bridge stack diode (12), the output organizing coil 4 is rectified into direct current more and exports.
Alternatively, described magnet (2) be covered with the direction that its north and south pole-face is parallel to external rotor wheel rim (13) spin axis be installed on external rotor wheel rim (13) inwall multi-layer rotor on irony circle (21), and adjacent two magnet south poles are reverse, have 1/2nd magnet width gaps between adjacent two magnet.
Alternatively, the magnet (2) of described multi-layer rotor wheel rim has multiple, magnet (2) be covered with the direction that its north and south pole-face is parallel to external rotor wheel rim (13) spin axis be installed on external rotor wheel rim (13) inwall multi-layer rotor on irony circle (21), and adjacent two magnet south poles are reverse, have 1/2nd magnet width gaps between adjacent two magnet.
Alternatively, the magnet (2) of described multi-layer rotor wheel rim has multi-layer structure, equal proportion is evenly distributed in motor support bar (9), magnet (2) be covered with the direction that its north and south pole-face is parallel to external rotor wheel rim (13) spin axis be installed on external rotor wheel rim (13) inwall multi-layer rotor on irony circle (21), and adjacent two magnet south poles are reverse, have 1/2nd magnet width gaps between adjacent two magnet.
Alternatively, the magnet (2) of described multi-layer rotor wheel rim has multi-layer structure, and equal proportion is evenly distributed in motor support bar (9), and magnet (2) equal proportion of multi-layer rotor wheel rim is evenly distributed can one or more layers.
Alternatively, the magnet (2) of described multi-layer rotor wheel rim is NdFeB rear-earth magnet, and specification is long 30-200mm, and wide is 10-30mm, and height is 2-10mm, and magnet (2) quantity is one or more.
Alternatively, described lattice coil (4) is installed on described multi-layer stator irony circle (22), multi-layer stator irony circle (22) equal proportion is evenly arranged on stator support sheet (5), lattice coil (4) has many groups, often organizes the coil plane of coil (4) and the circumferential surface general parallel orientation of described multi-layer stator irony circle (22).
Alternatively, the compound mode of described lattice coil (4) is mutually overrided to form successively by three monomer coils, and the quantity of lattice coil (4) is one or more.
Alternatively, described lattice coil (4) 40 is one group, altogether 1-20 group, series connection, and Y type connects, and three-phase exports.
Alternatively, the diameter of the enameled cable of described lattice coil (4) is 0.2-1mm.
Alternatively, described multi-layer stator irony circle (22) equal proportion is evenly arranged on stator support sheet (5), and multi-layer stator irony circle (22) equal proportion has one or more layers.
Alternatively, the gap between the magnet (2) of described multi-layer rotor wheel rim and the lattice coil (4) being installed on described multi-layer stator irony circle (22) is 0.3-10mm.
Alternatively, the length of described blade (1) is 100-2000mm, and described blade (1) width is 100-500mm, and described blade (1) thickness is 1-100mm, and the diameter of described wind-driven generator is 20-5000mm.
Alternatively, described main shaft (24) has a pair double-row angular contact bal bearing (7), described motor support bar (9) and motor support blade (6) are supported in two bearings respectively.
Alternatively, oil filler pipe (8) is provided with along axis in main shaft (24), main shaft (24) front end has the pouring orifice (15) be communicated with oil filler pipe (8), oil filler pipe (8) end is located at main shaft (24) end, oil flows out from oil filler pipe (8) end, lubricates two bearings by rotor axle sleeve (20) inwall.
Alternatively, described stator support sheet (5) root has outer waterproof ring (10), rotor axle sleeve (20) one end is provided with inner waterproofing circle (25), described inner waterproofing circle (25) is located in described outer waterproof ring (10), and the diameter of bore of inner waterproofing circle (25) is greater than 1 millimeter than main shaft (24) diameter.
Alternatively, described outer waterproof ring (10) bottom is provided with the water outlet oil outlet (11) for flowing out unnecessary oil and rainwater.
Alternatively, described wind-driven generator is fixed on main vertical shaft (24), and blower fan external rotor axle sleeve (20) is located on main vertical shaft bar (24).
Alternatively, described generator is fixed main vertical shaft (24) and is provided with conducting slip ring (17), and external rotor axle sleeve (20) inwall is provided with copper sheet brush, copper sheet brush and described conducting slip ring (17) resilient contact.
Alternatively, the external rotor skeleton of described blower fan, internal rotor skeleton, blade (1), axle sleeve (20) etc. adopt material to be magnalium.Irony circle in external rotor, (21) inner stator bracing ring (22), outer waterproof ring (10), inner waterproofing circle (25), main shaft (24), blower fan group fixed system framework etc. is stainless steel.
Present invention also offers a kind of wind power generating set, comprising multiple any one wind-driven generator above-mentioned is superimposed upon on long main shaft (24), and by main shaft (24) base (18) solid bottom, by support arm top immovable point (16), main shaft (24) upper end cap (3), outer support framework (14), be connected the unit fixed system framework that becomes a common practice.
The invention has the beneficial effects as follows, by adding generator diameter, reducing the stress of root of blade, improve Security; By multilayered coreless coil and multilayer magnet arrangement, decrease eddy current effect, improve efficiency.The present invention does not need gearbox, alleviates the weight of generator.
Accompanying drawing explanation
Fig. 1 is the front view of one embodiment of the invention coreless wind driven generator;
Fig. 2 is the side view of embodiment of the present invention coreless wind driven generator;
Fig. 3 A is the structural representation of embodiment of the present invention coreless wind driven generator external rotor wheel rim slot;
Fig. 3 B is the side view of embodiment of the present invention coreless wind driven generator blade;
Fig. 3 C is the front view of embodiment of the present invention coreless wind driven generator blade;
Fig. 4 is the vertical profile of embodiment of the present invention coreless wind driven generator group.
Embodiment
By describing technology contents of the present invention, structure characteristics in detail, reached object and effect, coordinate graphic being described in detail below in conjunction with embodiment.
See Fig. 1 to Fig. 4, disclose the embodiment of the efficient centreless MW class wind turbine of a kind of vertical shaft, comprise blade 1, magnet 2, coreless coil 4, main shaft 24, also comprise external rotor wheel rim 13, this external rotor wheel rim 13 of motor support bar 9 radial support, this external rotor wheel rim 13 of motor support blade 6 bearing diagonal, and this motor support bar 9 is supported on this rotor axle sleeve 20 with the other end of motor support blade 6, blade 1 root beam 26 inserts in the blade slot 23 on this external rotor wheel rim 13, blade 1 inserted sheet root beam 26 is designed to male and female groove with the structure of slot 23, blade 1 inserted sheet root beam 26 is public groove, slot 23 is female groove, mold is outside on rotor wheel rim 13, male and female groove is provided with 2 fixed screw holes (27) on same position, end points place, nearly both sides, the connection of inserted sheet root beam 26 and slot 23 is reinforced by retaining screw 28.This magnet 2 has multiple, magnet 2 be covered with the direction that its north and south pole-face is parallel to external rotor wheel rim 13 spin axis be installed on external rotor wheel rim 13 inwall external rotor on irony circle 21, and adjacent two magnet south poles are reverse, have 1/2nd magnet width gaps between adjacent two magnet; Inner stator irony circle 22, stator support sheet 5 supports this inner stator bracing ring 22, and stator support sheet 5 the other end is supported in main shaft 24, and coreless coil 4 is installed on this inner stator irony circle 22, coil 4 has many groups, and the coil plane often organizing coil 4 is parallel with the circumferential surface of this inner stator irony circle 22; The generator radius that this inner stator irony circle 22 and irony circle 21 in external rotor are formed is 9/10 to ten/10ths of the inswept circle radius in blade 1 outer end; Rectifier bridge stack diode 12, is rectified into direct current more and exports by the output organizing coil 4.
Air-flow is from direction windward or upwards blow bottom group of motors simultaneously, blow blade 1 and motor support blade 6, external rotor wheel rim 13 and magnet 2 is driven to rotate (magnetic line of force is perpendicular to main shaft), sectioned coil (coil arrangement is parallel to major axes orientation), the magnetic line of force is by air gap sectioned coil, generation current, polyphase winding is rectified into direct current through rectifier bridge stack diode 12.Due to magnet 2 and coil 4 very many, motor bore is large, and the situation that rotating speed is very low can produce and allow the minimum voltage of charger operation.
Wipe for preventing air gap very little between magnet 2 and coil 4 and touch, the bearing double-row angular contact bal bearing 7 of motor, it can bear radial direction (thrust of wind) and axial (centrifugal force when external rotor electric machine weight and rotation) is stressed, slipping is minimum, ensure the air gap of the 0.3-7 millimeter between magnet and coil, work long hours to wipe and touch.
Magnet 2 and coil 4 surface are all with epoxy resin parcel, and inlet side and external rotor wheel rim 13 injection molding are formed with dust-break facade, and the sand that spacer particles is large blows into air gap, prevent from wiping short circle and magnet.Rotor axle sleeve 20 drives inner waterproofing circle 25 to rotate, the diameter of bore of inner waterproofing circle 25 is greater than 1 millimeter than main shaft 24 diameter, outer waterproof ring 10 is fixed on stator support sheet 5, and water can not enter in bearing, and residual water a small amount of when heavy rain flows out from water outlet oil outlet 11.
Wind-driven generator work a period of time, oil ageing is gone bad, when charging-up lubricant oil, to outward winding pouring orifice 15, oily plus-pressure is poured into, and oil filler pipe 8 is hollow before two bearings 7 along main shaft 24 centre, and the lubricant oil of oxidation is extruded, remaining oil flows out from the gap mesopore of 1 millimeter between inner waterproofing circle 25 endoporus and main shaft 24 of rotating shaft cover 20 drive, flows out from water outlet oil outlet 11.
Generator shaft 24 lower end external axle sleeve 20 inwall is provided with copper sheet brush, copper sheet brush and described conducting slip ring 17 resilient contact.Two conducting slip rings 17 are fixed on generator shaft 24, direct current output conductor 19 is drawn in the middle of generator shaft external axle sleeve 20, two copper sheet brushes are installed in external axle sleeve 20 position of conducting slip ring 17 correspondence, copper sheet brush is pressed on conducting slip ring 17 by elastic force, during wind direction conversion, conducting slip ring 17 can be derived electric current, exports direct current from direct current output conductor 19.
Owing to being polyphase winding, export the end of a thread many, three-phase just has six output lines, exchanges the conducting slip ring more than 17 exporting and need, so be rectified into direct current through rectifier bridge stack diode 12, only needs positive and negative two direct current output conductors 19, simple and reliable.Under wind-driven generator is operated in the rugged environment of exposing to the weather and drenching with rain, contact parts are more few better, and the life-span is longer.Such breeze start-up aerogenerator contact parts are few, only have 2, bearing, conducting slip ring 2.
Multimachine multilayer architecture generator set is by long main shaft 24 tandem compound, be fixed on main shaft 24 by the vertical shaft keyway 29 on each blower fan main shaft 24, main shaft 24 bottom is fixedly mounted on main shaft 24 base 18, and with main shaft 24 upper end cap 3, support arm top immovable point 16, outer support framework 14 connects fixes generator set jointly.
Multiple generating post or generating post wall can realize high power generation, are widely used in island, fishing boat, desalination of sea water, irrigate water lift, Pastoral Areas, aquaculture is heated, frontier sentry, street lamp, and building throws light on, field operating office, villa, monastery, the civilian industries such as small enterprise are generated electricity by way of merging two or more grid systems.
Individual layer hollow core structures wind-driven generator has does not have iron whirlpool to damage, frequency is high, threshold wind velocity is low, the feature that reluctance force is almost nil, on this basis, the wind generator design of multilayer hollow core structures encloses and coreless coil 4 at motor support bar 9 upper outside rotor wheel rim 13 magnet 2 adding 1-multilayer corresponding on the equidistant position of main shaft sleeve 20, the magnet 2 newly increased encloses and coreless coil 4, can be that one deck magnet 2 encloses and coreless coil 4 structure, also can be 2 layers of coreless coil 4 therebetween one deck magnet 2 coil structures.Such structural design can increase by 1 times of generated output doubly at the most under equal wind speed, and multimachine is connected on and main shaft 24 just can realize MW class generates electricity.
Those skilled in the art all should be appreciated that, without departing from the spirit or scope of the present invention, can carry out various modifications and variations to the present invention.Thus, if when any amendment and modification fall in the protection domain of appended claims and equivalent, think that these amendment and modification are contained in the present invention.
Claims (23)
1. the efficient hollow MW class wind turbine of vertical shaft, comprises blade (1), magnet (2), coil (4), main shaft (24), multi-layer rotor wheel rim (13), motor support bar (9) and motor support blade (6),
Wherein, multi-layer rotor wheel rim (13) described in described motor support bar (9) radial support, multi-layer rotor wheel rim (13) described in one end bearing diagonal of described motor support blade (6), and described motor support bar (9) is supported on described rotor axle sleeve (20) with the other end of motor support blade (6);
Described blade (1) is connected with described multi-layer rotor wheel rim (13), and the number of the magnet (2) of described multi-layer rotor wheel rim has multiple;
Wherein, also comprise interior multi-layer stator irony circle (22) and stator support sheet (5), one end of described stator support sheet (5) supports described multi-layer stator bracing ring (22), the other end of described stator support sheet (5) is supported in main shaft (24), described coil (4) comprises multilayer, be installed on described multi-layer stator irony circle (22), lattice coil (4) has many groups, often organizes the coil plane of coil (4) and the circumferential surface general parallel orientation of described multi-layer stator irony circle (22).
2. wind-driven generator according to claim 1, is characterized in that: the generator radius that described multi-layer stator irony circle (22) is formed with irony circle (21) in multi-layer rotor is 9/10 to ten/10ths of the inswept circle radius in blade (1) outer end.
3. wind-driven generator according to claim 1, is characterized in that: also comprise rectifier bridge stack diode (12), the output organizing coil (4) is rectified into direct current more and exports.
4. wind-driven generator according to claim 1, it is characterized in that: described magnet (2) be covered with the direction that its north and south pole-face is parallel to external rotor wheel rim (13) spin axis be installed on external rotor wheel rim (13) inwall multi-layer rotor on irony circle (21), and adjacent two magnet south poles are reverse, have 1/2nd magnet width gaps between adjacent two magnet.
5. wind-driven generator according to claim 1, it is characterized in that: described magnet (2) be covered with the direction that its north and south pole-face is parallel to external rotor wheel rim (13) spin axis be installed on external rotor wheel rim (13) inwall multi-layer rotor on irony circle (21), and adjacent two magnet south poles are reverse, have 1/2nd magnet width gaps between adjacent two magnet.
6. wind-driven generator according to claim 5, it is characterized in that: the magnet (2) of described multi-layer rotor wheel rim has multi-layer structure, equal proportion is evenly distributed in motor support bar (9), magnet (2) be covered with the direction that its north and south pole-face is parallel to external rotor wheel rim (13) spin axis be installed on external rotor wheel rim (13) inwall multi-layer rotor on irony circle (21), and adjacent two magnet south poles are reverse, have 1/2nd magnet width gaps between adjacent two magnet.
7. wind-driven generator according to claim 6, it is characterized in that: the magnet (2) of described multi-layer rotor wheel rim has multi-layer structure, equal proportion is evenly distributed in motor support bar (9), and magnet (2) equal proportion of multi-layer rotor wheel rim is evenly distributed can one or more layers.
8. wind-driven generator according to claim 6, is characterized in that: the magnet (2) of described multi-layer rotor wheel rim is NdFeB rear-earth magnet, and specification is long 30-200mm, and wide is 10-30mm, and height is 2-10mm, and magnet (2) quantity is one or more.
9. wind-driven generator according to claim 1, it is characterized in that: described lattice coil (4) is installed on described multi-layer stator irony circle (22), multi-layer stator irony circle (22) equal proportion is evenly arranged on stator support sheet (5), lattice coil (4) has many groups, often organizes the coil plane of coil (4) and the circumferential surface general parallel orientation of described multi-layer stator irony circle (22).
10. wind-driven generator according to claim 9, is characterized in that: the compound mode of described lattice coil (4) is mutually overrided to form successively by multiple monomer coil.
11. wind-driven generators according to claim 10, is characterized in that: described lattice coil (4) 40 is one group, altogether 1-20 group, series connection, and Y type connects, and three-phase exports.
12. wind-driven generators according to claim 11, is characterized in that: the diameter of the enameled cable of described lattice coil (4) is 0.2-1mm.
13. wind-driven generators according to claim 12, is characterized in that: described multi-layer stator irony circle (22) equal proportion is evenly arranged on stator support sheet (5), and multi-layer stator irony circle (22) equal proportion has one or more layers.
14. wind-driven generators according to claim 1, is characterized in that: the gap between the magnet (2) of described multi-layer rotor wheel rim and the lattice coil (4) being installed on described multi-layer stator irony circle (22) is 0.3-10mm.
15. wind-driven generators according to claim 1, it is characterized in that: the length of described blade (1) is 100-2000mm, described blade (1) width is 100-500mm, and described blade (1) thickness is 1-100mm, and the diameter of described wind-driven generator is 20-5000mm.
16. wind-driven generators according to claim 1, is characterized in that: described main shaft (24) has a pair double-row angular contact bal bearing (7), and described motor support bar (9) and motor support blade (6) are supported in two bearings respectively.
17. wind-driven generators according to claim 16, it is characterized in that: in main shaft (24), be provided with oil filler pipe (8) along axis, main shaft (24) front end has the pouring orifice (15) be communicated with oil filler pipe (8), oil filler pipe (8) end is located at main shaft (24) end, oil flows out from oil filler pipe (8) end, lubricates two bearings by rotating shaft cover (20) inwall.
18. wind-driven generators according to claim 17, it is characterized in that: described stator support sheet (5) root has outer waterproof ring (10), rotor axle sleeve (20) one end is provided with inner waterproofing circle (25), described inner waterproofing circle (25) is located in described outer waterproof ring (10), and the diameter of bore of inner waterproofing circle (25) is greater than 1 millimeter than main shaft (24) diameter.
19. wind-driven generators according to claim 18, is characterized in that: described outer waterproof ring (10) bottom is provided with the water outlet oil outlet (11) for flowing out unnecessary oil and rainwater.
20. wind-driven generators according to claim 19, is characterized in that: described wind-driven generator is fixed on main vertical shaft (24), and blower fan external rotor axle sleeve (20) is located on main vertical shaft bar (24).
21. wind-driven generators according to claim 20, it is characterized in that: described generator is fixed main vertical shaft (24) and is provided with conducting slip ring (17), external rotor axle sleeve (20) inwall is provided with copper sheet brush, copper sheet brush and described conducting slip ring (17) resilient contact.
22. wind-driven generators according to claim 1, is characterized in that: the external rotor skeleton of described blower fan, internal rotor skeleton, blade (1), and axle sleeve (20) etc. adopt material to be magnalium.Irony circle in external rotor, (21) inner stator bracing ring (22), outer waterproof ring (10), inner waterproofing circle (25), main vertical shaft (24), blower fan group fixed system framework etc. is stainless steel.
23. 1 kinds of wind power generating set, it is characterized in that, comprising multiple wind-driven generator as described in any one of claim 1-22 is superimposed upon on long main shaft (24), and by main shaft (24) base (18) solid bottom, by support arm top immovable point (16), main shaft (24) upper end cap (3), outer support framework (14), be connected the unit fixed system framework that becomes a common practice.
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| CN201310544329.XA CN104632529A (en) | 2013-11-06 | 2013-11-06 | Vertical axis efficient hollow-core megawatt wind driven generator and generator set |
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| CN201310544329.XA CN104632529A (en) | 2013-11-06 | 2013-11-06 | Vertical axis efficient hollow-core megawatt wind driven generator and generator set |
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| CN106612045A (en) * | 2015-10-27 | 2017-05-03 | 黄国彰 | Flow force power generation device |
| CN108155755A (en) * | 2018-02-07 | 2018-06-12 | 河南宝天机电科技有限公司 | A kind of variable-frequency motor with cooling mechanism |
| CN112751456A (en) * | 2019-10-30 | 2021-05-04 | 新疆金风科技股份有限公司 | Generator and wind generating set |
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