CN105515280A - Low speed permanent magnet generating set coupling wind speed - Google Patents
Low speed permanent magnet generating set coupling wind speed Download PDFInfo
- Publication number
- CN105515280A CN105515280A CN201511035700.5A CN201511035700A CN105515280A CN 105515280 A CN105515280 A CN 105515280A CN 201511035700 A CN201511035700 A CN 201511035700A CN 105515280 A CN105515280 A CN 105515280A
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- Prior art keywords
- permanent magnet
- low speed
- rotor
- main shaft
- speed permanent
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/11—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric clutches
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Wind Motors (AREA)
Abstract
Provided is a low speed permanent magnet generating set coupling wind speed, composed of a plurality of low speed permanent magnet generators. The low speed permanent magnet generators comprise rotors and stators, and are characterized in that the rotors sleeve a main shaft; one end of the main shaft is fixedly provided with the active end of an electromagnetic clutch; the driven end of the electromagnetic clutch is in connection with the rotors; when the electromagnetic clutch is powered on, the rotors rotate with the main shaft, and when the electromagnetic clutch is powered off, the rotors stop rotation; main shafts of adjacent low speed permanent magnet generators are in series connection. Through the combination of low speed permanent magnet generators, the low speed permanent magnet generating set can output different power. Through controlling the electromagnetic clutch, each generator can be controlled to rotate or to stop rotation, so that the number of required generators can be determined according to wind strength. The generating set can be driven by a draught fan, thereby reducing the number of draught fans and decreasing generating costs; the generating set can match wind strength to fully utilize wind energy; the generators are convenient to combine.
Description
Technical field
The invention belongs to technical field of wind power generating equipment, this low speed permanent magnet generator group is made up of multiple low speed permanent magnet generator, can according to the automatic regulation output power of wind speed.
Background technology
Wind energy, as a kind of clean regenerative resource, is more and more subject to the attention of the people.Current wind-driven generator generally adopts multi-stage acceleration mechanism, and rated power is more difficult mates with wind speed, multi-stage acceleration mechanism makes transmission efficiency greatly reduce, the power output that can not match with wind speed makes wind speed hour to work, variable pitch or temporary parking is adopted to adjust wind turbine generator when wind speed is large, its weak point is complex structure, and production cost is large, and wind energy can not make full use of.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of low speed permanent magnet generator group of mating with wind speed, it can expand wind power utilization scope, the power output and the wind speed that realize wind turbine generator match, maximally utilise wind energy, and make this generating set implementation structure simple, production cost is low, is easy to manipulation and regulates.
The technical scheme of technical solution problem of the present invention is: the low speed permanent magnet generator group of mating with wind speed is made up of multiple low speed permanent magnet generator 20, described low speed permanent magnet generator, comprise the rotor 3 being provided with permanent magnet, the stator 4 being provided with winding, it is characterized in that, described rotor is enclosed within main shaft 1, one end of main shaft is fixed with the drive end 7 of electromagnetic clutch 5, the driven end 6 of electromagnetic clutch be connected to rotor, when electromagnetic clutch obtains electric, rotor rotates with main shaft, rotor stall during electromagnetic clutch dead electricity, its main shaft of adjacent low speed permanent magnet generator is connected in series.
Described low speed permanent magnet generator, between rotor and main shaft, be provided with axle sleeve 2, the two ends of axle sleeve are bearing on main shaft by bearing 9, and rotor is fixed on axle sleeve, one end of main shaft is fixed with the drive end 7 of electromagnetic clutch 5, and the driven end 6 of electromagnetic clutch is connected on axle sleeve.
Improve as one, the stator of low speed permanent magnet generator is disc, disk body is evenly provided with and organizes coil more, the both sides of stator are provided with rotor, leave gap between rotor and stator, rotor is disc, symmetrically on the disk body of rotor be provided with multipair permanent magnet, rotor is enclosed within axle sleeve, is provided with steady pin 21 between rotor and axle sleeve, be provided with slim bearing 91 between stator and axle sleeve, it is spacing in the inner circle of stator that slim bearing is located jump ring 22; Described stators and rotators can be set to many groups, forms the generator of different capacity.
For ease of the adjustment in the gap between rotor and stator, be provided with large annular gasket 32 in slim bearing both sides, large annular gasket is enclosed within axle sleeve, and large annular gasket is limited in the inner side of rotor, be provided with outer jump ring 23 at the right-hand member of axle sleeve, produce axial displacement to prevent stators and rotators along axle sleeve.
Feature of the present invention is, every platform generator can be made to rotate or stall, can decide the number of units dropping into generator like this according to the size of wind-force by controlling electromagnetic clutch.Its beneficial effect is: 1, this generating set can be driven by a frame blower fan, can reduce blower fan quantity, reduces cost of electricity-generating; 2, generating set can mate with wind-force and makes full use of wind energy; 3, the combined and instant of generator.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the present invention.
Fig. 2 is the structural representation of the second embodiment of the present invention.
Fig. 3 is horizontal scheme of installation of the present invention.
Fig. 4 is vertical scheme of installation of the present invention.
Accompanying drawing mark represents respectively: 1-main shaft, 2-axle sleeve, 3-rotor, 4-stator, 5-electromagnetic clutch, 6-driven end, 7-drive end, 8-magnet exciting coil, 9-bearing, 10-support, 11-shaft coupling, 12-support, 13-base, 20-low speed permanent magnet generator, 21-steady pin, 22-locate jump ring, 23-outer jump ring, 30-blower fan, 31-connecting pin, the large annular gasket of 32-, 81-E type magnet ring, the little annular gasket of 82-, 83-nut, the slim bearing of 91-, 92-projection.
Embodiment
Existing accompanying drawings specific embodiments of the invention.
First embodiment is see Fig. 1: the low speed permanent magnet generator in the low speed permanent magnet generator group of mating with wind speed, comprise main shaft 1, rotor 3, stator 4, rotor be circumferentially evenly provided with permanent magnet, winding is embedded with in stator, winding when rotor rotates in stator sends electric current, described rotor is enclosed within main shaft, axle sleeve 2 is provided with between rotor and main shaft, the two ends of axle sleeve are bearing on main shaft by bearing 9, rotor is fixed on axle sleeve, one end of main shaft is fixed with the drive end 7 of electromagnetic clutch 5, the shell portion pin of the driven end 6 of electromagnetic clutch is riveted on axle sleeve, the magnet exciting coil 8 of electromagnetic clutch is by conducting ring and brush (not drawing in accompanying drawing 1) external control power supply, electromagnetic force is produced between the drive end of electromagnetic clutch and driven end when magnet exciting coil obtains electric, main shaft rotor driven rotates.The other end of main shaft stretches out outside support 10, is connected with adjacent generator shaft by shaft coupling 11.
Second embodiment is see Fig. 2: the low speed permanent magnet generator in the low speed permanent magnet generator group of mating with wind speed, comprise main shaft 1, rotor 3, stator 4, described stator is disc, disk body is evenly provided with and organizes coil more, stator is fixed on (in Fig. 2, support does not draw) on support, and the both sides of stator are provided with rotor, and rotor is disc, symmetrically on the disk body of rotor be provided with multipair permanent magnet, winding when rotor rotates in stator sends electric current.Described rotor is enclosed within main shaft, axle sleeve 2 is provided with between rotor and the enlarged diameter section of main shaft, the two ends of axle sleeve are bearing on main shaft by bearing 9, rotor is enclosed within axle sleeve, steady pin 21 is provided with between rotor and axle sleeve, slim bearing 91 is provided with between stator and axle sleeve, slim bearing located jump ring 22 spacing in the inner circle of stator, large annular gasket 32 is provided with to ensure there is suitable gap between stator and rotor in slim bearing both sides, be provided with outer jump ring 23 at the right-hand member of axle sleeve, produce axial displacement to prevent stators and rotators along axle sleeve; The reduced diameter section of main shaft is fixed with the drive end 7 of electromagnetic clutch 5, on the ring body sliding plug of the driven end 6 of the electromagnetic clutch projection 92 on axle sleeve, on the reduced diameter section of main shaft, cover has little annular gasket 82, little annular gasket is positioned on the right side of electromagnetic clutch drive end, little annular gasket is used for the gap between accurate adjustment electromagnetic clutch drive end and driven end, after nut 83 locks the drive end of electromagnetic clutch, this gap can not change; The magnet exciting coil 8 of electromagnetic clutch is arranged in the recess of E-type magnetic ring 81, E-type magnetic ring is bearing on the boss of drive end by a small size bearing, E-type magnetic ring also can otherwise be fixed on support by a pillar, and the magnet exciting coil being this electromagnetic clutch with the difference of the first embodiment can directly be connected with control power supply; Produce electromagnetic force when magnet exciting coil obtains electric between the drive end of electromagnetic clutch and driven end, main shaft rotor driven rotates.The larger diameter end of main shaft is stretched out outside support, is connected by the smaller diameter end of connecting pin 31 with adjacent generator shaft.The low speed permanent magnet generator of the second embodiment compared with the first embodiment, can make its axial length reduce, and the stators and rotators simultaneously can be set to many groups on same main shaft, by simply superposing the generator forming different capacity.
This low speed permanent magnet generator group can also can vertically be installed in horizontal installation, as shown in Figure 3 and Figure 4, the main shaft of adjacent low speed permanent magnet generator is connected in series, support 12 is provided with between the main shaft of the generator of series connection, the support of generator and support are fixed on base 13, and the main shaft of the first generator is connected with blower fan 30.
In actual use, low speed permanent magnet generator can various combination formed power and wind-force size match.Concrete combining form sees the following form:
In table: 1 of first lattice represent the power of the assembling unit (kw);
2 of first lattice represent the power (kw) of each low speed permanent magnet generator;
V represents that this generator drops into generating.
According to wind speed size, can drop into the low speed permanent magnet generator of suitable quantity by controlling electromagnetic clutch, the various combination showing low speed permanent magnet generator in table can form unit different output power.The commutative use of the generator that power is identical, in order to maintenance, maintenance.If the rated power of unit is 20kw, when exceeding rated power or lower than rated power, unit all can work, and when wind speed reaches maximum, all can start and do brake use; When wind speed is certain, the respective combination of generator matches with it, and unit normally works, and wind speed strengthens, and self-con-tained unit starts the electromagnetic clutch of corresponding generator, generator rotation, reaches power and wind speed matches, and vice versa.By above-mentioned measure, successfully the power output of unit is divided into several zones of different, automatically, effectively accomplishes that the power output of unit and wind-force match.
Above content is in conjunction with concrete preferred implementation further description made for the present invention; can not assert that specific embodiment of the invention is confined to these explanations; conceive according to the present invention for those skilled in the art; can also make some simple deduction or replace, these some simple deduction or replace should be considered as belonging to scope.The present invention also can be applicable to small hydro generating except can be used for wind power generation, the main shaft of generating set can be connected with water machine output shaft during application.
Claims (6)
1. a low speed permanent magnet generator group of mating with wind speed is made up of multiple low speed permanent magnet generator (20), described low speed permanent magnet generator, comprise the rotor (3) being provided with permanent magnet, be provided with the stator (4) of winding, it is characterized in that, described rotor is enclosed within main shaft (1), one end of main shaft is fixed with the drive end (7) of electromagnetic clutch (5), the driven end (6) of electromagnetic clutch is connected to rotor, when electromagnetic clutch obtains electric, rotor rotates with main shaft, rotor stall during electromagnetic clutch dead electricity, its main shaft of adjacent low speed permanent magnet generator is connected in series, control electromagnetic clutch, low speed permanent magnet generator group can export different power.
2. low speed permanent magnet generator group of mating with wind speed according to claim 1, it is characterized in that, low speed permanent magnet generator is provided with axle sleeve (2) between rotor and main shaft, the two ends of axle sleeve are bearing on main shaft by bearing (9), rotor is fixed on axle sleeve, one end of main shaft is fixed with the drive end (7) of electromagnetic clutch (5), and the driven end (6) of electromagnetic clutch is connected on axle sleeve.
3. low speed permanent magnet generator group of mating with wind speed according to claim 2, it is characterized in that, described stator is disc, disk body is evenly provided with and organizes coil more, the both sides of stator are provided with rotor, gap is left between rotor and stator, rotor is disc, on the disk body of rotor, symmetry is provided with multipair permanent magnet, rotor is enclosed within axle sleeve, be provided with steady pin (21) between rotor and axle sleeve, be provided with slim bearing (91) between stator and axle sleeve, it is spacing in the inner circle of stator that slim bearing is located jump ring (22); Described stators and rotators can be set to many groups, forms the generator of different capacity.
4. low speed permanent magnet generator group of mating with wind speed according to claim 3, is characterized in that, be provided with large annular gasket (32) in slim bearing both sides, large annular gasket is enclosed within axle sleeve, and large annular gasket is limited in the inner side of rotor.
5. low speed permanent magnet generator group of mating with wind speed according to claim 1 and 2, is characterized in that, its main shaft of adjacent low speed permanent magnet generator is connected by shaft coupling (11).
6. the low speed permanent magnet generator group of mating with wind speed according to claim 3 or 4, is characterized in that, its main shaft of adjacent low speed permanent magnet generator is connected by connecting pin (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035700.5A CN105515280B (en) | 2015-12-31 | 2015-12-31 | The low speed permanent magnet generator group matched with wind speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035700.5A CN105515280B (en) | 2015-12-31 | 2015-12-31 | The low speed permanent magnet generator group matched with wind speed |
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| Publication Number | Publication Date |
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| CN105515280A true CN105515280A (en) | 2016-04-20 |
| CN105515280B CN105515280B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511035700.5A Active CN105515280B (en) | 2015-12-31 | 2015-12-31 | The low speed permanent magnet generator group matched with wind speed |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329823A (en) * | 2016-08-26 | 2017-01-11 | 丁奕筝 | Combined wind power generator set |
| CN110460214A (en) * | 2019-09-12 | 2019-11-15 | 北京明正维元电机技术有限公司 | A kind of axial direction is double to hold up direct-drive permanent magnet wind turbine generator |
| CN113339187A (en) * | 2021-07-26 | 2021-09-03 | 北京延运科技有限公司 | Multistage wind driven generator |
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| CN201013535Y (en) * | 2007-02-13 | 2008-01-30 | 顾为东 | High energy-consuming industrial non-grid connected type large-sized wind power generator |
| CN101839218A (en) * | 2009-09-29 | 2010-09-22 | 沈阳华创风能有限公司 | Direct-drive wind generating set |
| CN202142938U (en) * | 2011-08-05 | 2012-02-08 | 国电联合动力技术有限公司 | Large-scale direct driving dial switch magnetic resistance wind driven generator and system thereof |
| CN202940709U (en) * | 2012-11-19 | 2013-05-15 | 腾达电动科技镇江有限公司 | Printed circuit board coreless disc type motor |
| US20140008915A1 (en) * | 2012-07-03 | 2014-01-09 | Hamilton Sundstrand Corporation | Gearless contra-rotating wind generator |
| CN204805038U (en) * | 2015-06-18 | 2015-11-25 | 湖南理工职业技术学院 | Dual drive wind power generation set |
| CN205610417U (en) * | 2015-12-31 | 2016-09-28 | 丁奕筝 | Low -speed permanent magnet generator who matches with wind speed organizes |
-
2015
- 2015-12-31 CN CN201511035700.5A patent/CN105515280B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201013535Y (en) * | 2007-02-13 | 2008-01-30 | 顾为东 | High energy-consuming industrial non-grid connected type large-sized wind power generator |
| CN101839218A (en) * | 2009-09-29 | 2010-09-22 | 沈阳华创风能有限公司 | Direct-drive wind generating set |
| CN202142938U (en) * | 2011-08-05 | 2012-02-08 | 国电联合动力技术有限公司 | Large-scale direct driving dial switch magnetic resistance wind driven generator and system thereof |
| US20140008915A1 (en) * | 2012-07-03 | 2014-01-09 | Hamilton Sundstrand Corporation | Gearless contra-rotating wind generator |
| CN202940709U (en) * | 2012-11-19 | 2013-05-15 | 腾达电动科技镇江有限公司 | Printed circuit board coreless disc type motor |
| CN204805038U (en) * | 2015-06-18 | 2015-11-25 | 湖南理工职业技术学院 | Dual drive wind power generation set |
| CN205610417U (en) * | 2015-12-31 | 2016-09-28 | 丁奕筝 | Low -speed permanent magnet generator who matches with wind speed organizes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329823A (en) * | 2016-08-26 | 2017-01-11 | 丁奕筝 | Combined wind power generator set |
| CN110460214A (en) * | 2019-09-12 | 2019-11-15 | 北京明正维元电机技术有限公司 | A kind of axial direction is double to hold up direct-drive permanent magnet wind turbine generator |
| CN113339187A (en) * | 2021-07-26 | 2021-09-03 | 北京延运科技有限公司 | Multistage wind driven generator |
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| Publication number | Publication date |
|---|---|
| CN105515280B (en) | 2018-03-30 |
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