CN101980424A - Wind driven generator - Google Patents
Wind driven generator Download PDFInfo
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- CN101980424A CN101980424A CN2010105120707A CN201010512070A CN101980424A CN 101980424 A CN101980424 A CN 101980424A CN 2010105120707 A CN2010105120707 A CN 2010105120707A CN 201010512070 A CN201010512070 A CN 201010512070A CN 101980424 A CN101980424 A CN 101980424A
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Abstract
The invention relates to a wind driven generator. The wind driven generator comprises a mechanical part and a magnetic force generation part, wherein the mechanical part comprises a rotating shaft, an encloser and an encloser base; the rotating shaft passes through a rotating part to be fixed on a support; the encloser is arranged outside the support and covers a whole fan; the rotating part for power generation is fixed at a power transmission inferior shaft end of the rotating shaft; and the power transmission superior end of the rotating shaft is in transmission connection with a wind wheel. The wind driven generator is characterized in that: the magnetic force generation part comprises magnetic steel, magnetic polar bodies, a magnet yoke, slot wedges and an armature winding; the magnetic steel, the magnetic polar bodies and the magnet yoke are fixedly connected into a whole so as to form the rotating part which is connected with the wind wheel; the magnet yoke is arranged at the outermost periphery of the circumference of the rotating shaft; 16 blocks of the magnetic steel are distributed uniformly towards the inner circumference along the radial direction; the magnetic polar bodies are arranged among the magnetic steel; and each slot wedge is arranged between one block of magnetic steel and the magnet yoke. The wind driven generator is designed by a non-static magnetic resistance technique, does not have a magnetic resistance moment when having no load and can be started at a low speed. A winding coil adopts a concentrated isometric type design scheme, so that the winding is easy to wind and has a high utilization ratio.
Description
[technical field]
The present invention relates to wind-driven generator, relate in particular to a kind of no static-magnetic choke power generator.
[background technology]
Early 1990s, with the fastest developing speed on the world energy sources market no longer is conventional energy resources such as oil, natural gas, and the development and utilization of new forms of energy such as wind-force, solar energy is developed rapidly.At present, be adapted to the speed change constant current frequently directly the link to each other generator of system of system and generator and wind energy conversion system become the main flow that generator develops in the wind generator system.Present technique has adopted the wind light mutual complementing power generation lighting technology, adopt a kind of solar energy comprehensive electric power system that combines with wind energy, can overcome separately defective of two kinds of energy, in conjunction with having complementary advantages, both can be simultaneously and usefulness under the situation that the both possesses, and do not interfere with each other.
Existing wind power generation machine technology has multiple, such as: 1, vertical axis aerogenerator: vertical axis aerogenerator the earliest, its wind wheel are a kind of structures (being Φ type structure) of circular arc twayblade, because its wind area is little, corresponding startup wind speed is higher, is greatly developed always.2, horizontal axis wind-driven generator: the defective of the horizontal axis wind-driven generator of extensive use at present is that heavy wind power generation head is placed in 50～70 meters high cantilever tip, is seeking the direction of wind-force, catches wind energy and generates electricity.Wind-force direction stationary value directly influences the generating effect of generator.Secondly the impeller of horizontal-shaft wind turbine is vertical stretching, and rotor diameter is big more, and support height is high more, and cost is also high, the high development that directly influences the wind power generation industry of cost of electricity-generating.3, novel vertical axis wind power generation machine: its wind wheel is linear blade (being II type structure).According to II type wind-driven generator principle, the rotating speed rate of climb of wind wheel improves very fast (the moment rate of climb is fast), its the generated output rate of climb is also corresponding to accelerate, and under same power, the rated wind speed of vertical axis aerogenerator is little than the existing level axis wind power generator.Above-mentioned three kinds of wind power generation machine technologies, its greatest drawback is exactly when faint wind, and wind wheel can not rotate, and generator does not generate electricity, and this is to cause because of the magnetic resistance moment of its structure.
[summary of the invention]
The present invention is directed to above problem and proposed not have reluctance force between a kind of stator and the rotating part, the wind-driven generator that the small wind-force of energy starts down.
Technical scheme of the present invention is: described wind-driven generator comprises mechanical part and magnetic power generator part, described mechanical part and electromagnet portion, described mechanical part comprises that passing rotating part is fixed in rotating shaft on the bearing, bearing covers the case and the case seat of whole wind machine outward, be fixed with the rotating part that is used to generate electricity on the power transmission subordinate axle head of rotating shaft, power transmission higher level's end of rotating shaft is in transmission connection with wind wheel, it is characterized in that, described magnetic power generator partly comprises magnet steel, the magnetic pole polar body, yoke, slot wedge and armature winding, described magnet steel, magnetic pole, yoke fixedly fuses and constitutes rotating part and join with wind wheel, yoke is in rotating part circumference outermost, radially toward inner periphery uniform 16 blocks of magnet steel, between described magnet steel and for the magnetic pole polar body, between described every block of magnet steel and described yoke, be the magnetic wedge.
Described armature winding adopts concentrates equidistant design, adopts epoxy sealing to be solidificated in two interior concentrically ringed annulus of support respectively, presses circumference uniform distribution.
The magnetic structure of described rotating part adopts " the built-in tangential formula adds outer yoke " to form, the magnetic flux that described magnet steel provides magnetic potential to produce is set out by the N utmost point, the magnetic pole N that flows through passes air gap delta and enters yoke, by yoke with flux channeled air gap to another utmost point, pass air gap once more and enter the magnetic pole S arrival magnet steel S utmost point, go into the flux loop of sealing.Place armature winding in the middle of air gap, armature winding links to each other with frame.Under the promotion of wind wheel, rotated together with the magnetic field of forming by magnet steel, magnetic pole, yoke at wind-force.
Beneficial effect of the present invention: adopt no static-magnetic resistance technology design, do not have magnetic resistance moment when generator is non-loaded, winding coil adopts to be concentrated, equidistant formula design, and this winding is that coiling is simple, the utilance height; Magnetic structure adopts " the built-in tangential formula adds outer yoke " to form, and layout can guarantee the needs of large number of poles structure like this, has eliminated the static-magnetic moment of resistance again, also makes field structure simple.This structure can start under small wind speed, is well suited for using under the situation that city high rise building gathers.
[description of drawings]
Fig. 1 is one embodiment of the invention generalized section:
Fig. 2 is the front view in this example.
Wherein: 1, rotating shaft; 2, clamshell; 3, clamshell seat; 5, magnetic pole polar body; 6, armature winding; 7, slot wedge; 8, yoke; 9, magnet steel.
[embodiment]
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.
Embodiment 1: described wind-driven generator comprises mechanical part and magnetic power generator part, described mechanical part and electromagnet portion, described mechanical part comprises that passing rotating part is fixed in rotating shaft 1 on the bearing, bearing covers the case 2 and the case seat 3 of whole wind machine outward, be fixed with the rotating part that is used to generate electricity on the power transmission subordinate axle head of rotating shaft 1, power transmission higher level's end of rotating shaft 1 is in transmission connection with wind wheel, it is characterized in that, described magnetic power generator partly comprises magnet steel 9, magnetic pole polar body 5, yoke 8, slot wedge 7 and armature winding 6, described magnet steel 9, magnetic pole polar body 5, yoke 8 fixedly fuses and constitutes rotating part and join with wind wheel, yoke 8 is in rotating part circumference outermost, radially toward inner periphery uniform 16 blocks of magnet steel, 9 between described magnet steel 9 and for magnetic pole polar body 5, is magnetic wedge 7 between described every block of magnet steel 9 and described yoke 8.
The magnetic flux that magnet steel 9 provides magnetic potential to produce is set out by the N utmost point, and the magnetic pole N that flows through passes air gap delta and enters yoke 8,, is passed air gap once more and enters magnetic pole S and arrive the magnet steel S utmost point flux channeled air gap to another utmost point by yoke 8, go into the flux loop of sealing.Rotate together with the magnetic field of being made up of magnet steel, magnetic pole, yoke under the promotion of wind wheel at wind-force, then armature winding 6 is just done the motion of relative cutting magnetic line, according to the law of electromagnetic induction, just produces induced potential E in the winding
0When generator is connected to load, in the loop of winding, just produced induced current I
0Generator has just become electric energy to wind energy like this.In armature winding 6, also do not produce electric current I
0When (zero load), do not have the magnetic field force effect between movement parts and the static element, excitation field is in free state, and the magnetic field moment of resistance is zero, so wind wheel starts easily, quickens soon, and wind wheel also can get into smooth smoothly under very low wind speed.
Described armature winding adopts concentrates equidistant design, adopts epoxy sealing to be solidificated in two interior concentrically ringed annulus of support respectively, presses circumference uniform distribution.
The magnetic structure of described rotating part adopts " the built-in tangential formula adds outer yoke " to form, the magnetic flux that described magnet steel provides magnetic potential to produce is set out by the N utmost point, the magnetic pole N that flows through passes air gap delta and enters yoke, by yoke with flux channeled air gap to another utmost point, pass air gap once more and enter the magnetic pole S arrival magnet steel S utmost point, go into the flux loop of sealing.Place armature winding in the middle of air gap, armature winding links to each other with frame.Under the promotion of wind wheel, rotated together with the magnetic field of forming by magnet steel, magnetic pole, yoke at wind-force.
Described armature winding 6 adopts concentrates equidistant design, adopts epoxy sealing to be solidificated in two interior concentrically ringed annulus of support respectively, presses circumference uniform distribution.
The magnetic structure of described rotating part adopts " the built-in tangential formula adds outer yoke " to form, the magnetic flux that described magnet steel provides magnetic potential to produce is set out by the N utmost point, the magnetic pole N that flows through passes air gap delta and enters yoke, by yoke with flux channeled air gap to another utmost point, pass air gap once more and enter the magnetic pole S arrival magnet steel S utmost point, go into the flux loop of sealing.Place armature winding in the middle of air gap, armature winding links to each other with frame.Under the promotion of wind wheel, rotated together with the magnetic field of forming by magnet steel, magnetic pole, yoke at wind-force.
Design one cavity is a magnetic resistance in the field structure, does the leakage flux that can reduce magnet steel like this.Utilize magnetic bridge to be connected between magnetic pole polar body and the rotating shaft.Because of the magnetic bridge sectional area is very little, magnetic flux is saturated, so rotating shaft can not produce too many leakage flux.By taking this two measures, improved the utilance of magnetic material on the design.
Adopt no static-magnetic resistance technology design, do not have magnetic resistance moment when generator is non-loaded, faint frictional resistance distance is only arranged between rotating shaft and bearing pedestal, wind wheel is easy to drive the generator rotation.This generator adopts multistage design, can allow generator rotate under the situation of having only faint wind is divided, and promptly generator likes also can sending the AC energy of certain power in the very low situation of rotating speed.Generator adopts goes into design for a short time, likes in the situation that guarantees certain power output, is designed to radial dimension than the big a lot of structure of axial dimension.
Claims (2)
1. wind-driven generator, comprise mechanical part and magnetic power generator part, described mechanical part and electromagnet portion, described mechanical part comprises that passing rotating part is fixed in rotating shaft on the bearing, bearing covers the case and the case seat of whole wind machine outward, be fixed with the rotating part that is used to generate electricity on the power transmission subordinate axle head of rotating shaft, power transmission higher level's end of rotating shaft is in transmission connection with wind wheel, it is characterized in that, described magnetic power generator partly comprises magnet steel, the magnetic pole polar body, yoke, slot wedge and armature winding, described magnet steel, magnetic pole, yoke fixedly fuses and constitutes rotating part and join with wind wheel, yoke is in rotating part circumference outermost, radially toward inner periphery uniform 16 blocks of magnet steel, between described magnet steel and for the magnetic pole polar body, between described every block of magnet steel and described yoke, be the magnetic wedge.
2. according to the described wind-driven generator of claim 1, it is characterized in that described armature winding adopts concentrates equidistant design, adopt epoxy sealing to be solidificated in two interior concentrically ringed annulus of support respectively, press circumference uniform distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105120707A CN101980424A (en) | 2010-10-18 | 2010-10-18 | Wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105120707A CN101980424A (en) | 2010-10-18 | 2010-10-18 | Wind driven generator |
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| CN101980424A true CN101980424A (en) | 2011-02-23 |
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| CN2010105120707A Pending CN101980424A (en) | 2010-10-18 | 2010-10-18 | Wind driven generator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272064A (en) * | 2008-05-06 | 2008-09-24 | 南京航空航天大学 | High-capacity light permanent-magnetic radial/axial rotor structure direct driving type aerogenerator |
| CN201294413Y (en) * | 2008-10-17 | 2009-08-19 | 河南森源电气股份有限公司 | High air gap magnetic dense permanent magnet generator rotor |
| US7619332B2 (en) * | 2004-10-01 | 2009-11-17 | Hitachi, Ltd. | Permanent magnet type electric rotating machine and wind turbine electric power generation system |
| CN201466945U (en) * | 2009-08-13 | 2010-05-12 | 河南森源集团有限公司 | Radial magnetic field coreless permanent magnet wind generator |
| CN201490860U (en) * | 2009-08-27 | 2010-05-26 | 王风发 | Fifteen-slot hexadecapole wind turbine |
-
2010
- 2010-10-18 CN CN2010105120707A patent/CN101980424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7619332B2 (en) * | 2004-10-01 | 2009-11-17 | Hitachi, Ltd. | Permanent magnet type electric rotating machine and wind turbine electric power generation system |
| CN101272064A (en) * | 2008-05-06 | 2008-09-24 | 南京航空航天大学 | High-capacity light permanent-magnetic radial/axial rotor structure direct driving type aerogenerator |
| CN201294413Y (en) * | 2008-10-17 | 2009-08-19 | 河南森源电气股份有限公司 | High air gap magnetic dense permanent magnet generator rotor |
| CN201466945U (en) * | 2009-08-13 | 2010-05-12 | 河南森源集团有限公司 | Radial magnetic field coreless permanent magnet wind generator |
| CN201490860U (en) * | 2009-08-27 | 2010-05-26 | 王风发 | Fifteen-slot hexadecapole wind turbine |
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Application publication date: 20110223 |