CN203691074U - Magnetic steel disc structure used for wind generator system in extreme conditions - Google Patents
Magnetic steel disc structure used for wind generator system in extreme conditions Download PDFInfo
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- CN203691074U CN203691074U CN201320862546.9U CN201320862546U CN203691074U CN 203691074 U CN203691074 U CN 203691074U CN 201320862546 U CN201320862546 U CN 201320862546U CN 203691074 U CN203691074 U CN 203691074U
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- magnet steel
- driven
- dish
- magnetic steel
- steel dish
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Abstract
The utility model discloses a magnetic steel disc structure used for a wind generator system in extreme conditions, comprising a driving magnetic steel disc and a driven magnetic steel disc which are coaxial with a main shaft of a generator and capable of rotating relative to the main shaft, opposite disc surfaces of the driving magnetic steel disc and the driven magnetic steel disc are provided with a plurality of pairs of magnetic steels with opposite polarities, the thickness ratio between the magnetic steels and the driving/driven magnetic steel disc is within the range from 1.25 to 1.67, the opposite disc surfaces of the driving magnetic steel disc and the driven magnetic steel disc are provided with magnetic steel positioning discs used for fixing the magnetic steels, the magnetic steel positioning discs are provided with through holes, the magnetic steels are installed in the through holes and bonded to the driving magnetic steel disc or the driven magnetic steel disc. The magnetic steel disc structure of the utility model prevents a magnetic leakage phenomenon by limiting the thickness ratio between the magnetic steels and the driving/driven magnetic steel disc within the range from 1.25 to 1.67, and effectively prevents shifting and dropping of the magnetic steels at the same time by utilizing the through holes on the magnetic steel positioning discs to limit the magnetic steels, thereby ensuring normal operation of a wind generator.
Description
Technical field
The utility model relates to technical field of wind power generator, particularly magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system.
Background technology
Wind generator system is that one is utilized natural wind drive vane, works by vane drive generator, wind energy is changed into the device of electric energy.The wind-driven generator of iron-core-free structure is a kind of wind generator system being most widely used, it mainly comprises the coil panel and the master that are coaxially arranged on generator shaft, driven magnet steel dish, coil panel is placed in master, between driven magnet steel dish and be provided with coil on it, main, in the relative card of driven magnet steel dish, be provided with uniformly some opposite polarity magnet steel to form magnetic flux, described active magnetic steel disk is rotatably installed on generator shaft and its two ends are fixedly connected with driven magnet steel dish with wind wheel respectively, this structure is rotated by Wind power propelling wind wheel, driven main by wind wheel, driven magnet steel dish rotates, make to be fixedly installed in coil panel on the generator shaft master for its both sides, magnetic flux between driven magnet steel dish is made cutting magnetic line movement, thereby on coil panel, produce induced electromotive force, by binding post, this electromotive force is drawn and is linked into and in loop, get final product generation current.But, there is following defect in the magnet steel dish structure of the wind-driven generator of existing iron-core-free structure: the Thickness Design of magnet steel dish and magnet steel is unreasonable, cause main, the flux leakage forming between driven magnet steel dish is to main, outside driven magnet steel dish, affect generating efficiency and energy output, and magnet steel is directly pasted on magnet steel dish, the in the situation that of magnet steel dish High Rotation Speed, easily cause magnet steel displacement, cause the hypotelorism between adjacent magnet steel on magnet steel, make between adjacent magnet steel, to produce leakage field on magnet steel dish, thereby reduce master, the magnetic line of force between driven magnet steel dish, reduce magnetic flux density, reduce its energy output, when serious, even cause magnet steel to come off, cause wind-driven generator operational failure.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides one to prevent magnetic leakage, can effectively fix magnet steel and prevent the extreme condition apparatus for lower wind electricity generation system magnet steel dish structure that magnet steel is shifted.
The utility model solves the technical scheme that its technical problem adopts:
Magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system, comprise driving and driven magnet steel dish coaxial with generator shaft and that can rotate to it, in the relative card of driving and driven magnet steel dish, be provided with some to opposite polarity magnet steel, the Thickness Ratio of described magnet steel and driving and driven magnet steel dish is 1.25 ~ 1.67, and in the relative card of driving and driven magnet steel dish, be provided with the magnet steel positioning disk for fixing magnet steel, on magnet steel positioning disk, be provided with through hole, it is interior and bonding with active magnetic steel disk or driven magnet steel dish that described magnet steel is arranged on through hole.
As the improvement of technique scheme, the magnet steel on described driving and driven magnet steel dish is shaped as trapezoidal and is uniformly distributed around magnet steel disk center separately, and on driving and driven magnet steel dish, between adjacent magnet steel, the spacing along magnet steel disc radial separately equates all the time.
Further, described magnet steel positioning disk is screwed and is connected on active magnetic steel disk or driven magnet steel dish.
Further, described active magnetic steel disk and driven magnet steel dish are bolted to connection and the part of this bolt between driving and driven magnet steel dish is socketed with the spacing spacer of air gap.
Further, the front and back end that described active magnetic steel disk is socketed on generator shaft and in its central shaft hole is respectively equipped with forward and backward bearing, between described forward and backward bearing, is provided with bearing inner spacing collar.
Further, on described driving and driven magnet steel dish, be provided with even number lightening hole.
The beneficial effects of the utility model are: the utility model is by being limited to 1.25 ~ 1.67 by the Thickness Ratio of magnet steel and driving and driven magnet steel dish, the magnetic line of force is concentrated between driving and driven magnet steel dish, prevent leakage field phenomenon, greatly improve the magnetic energy utilization rate of magnet steel, and by the magnet steel location-plate of mounting strap through hole on driving and driven magnet steel dish, on the magnet steel dish that bonding magnetic steel is exposed in through hole, utilize the sidewall of through hole to carry out spacing to the sidewall of magnet steel, effectively prevented magnet steel displacement and come off, assurance wind-driven generator is normally worked.In addition, main, magnet steel on driven magnet steel dish is shaped as trapezoidal and is circumferentially uniformly distributed around magnet steel dish separately, simultaneously main, on driven magnet steel dish, between adjacent magnet steel, remain equal along the spacing of magnet steel disc radial separately, prevent the leakage field phenomenon between adjacent magnet steel on magnet steel dish, thereby increase master, magnetic flux between driven magnet steel dish, energy output and generating efficiency are further improved, simultaneously active magnetic steel disk arrange respectively by the front and back end in its central shaft hole before, rear bearing is socketed in the structure on generator shaft rotationally, eliminate cantilever effect, due to the outer ring rotating of bearing, the inner ring of bearing is fastened on generator shaft and does not rotate, thereby increase staring torque, reduce the requirement to starting wind-force, expand the scope of application of the present utility model.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is that the utility model is installed on the schematic perspective view on wind-driven generator;
Fig. 2 is that the utility model is installed on the cutaway view on wind-driven generator;
Fig. 3 is the structural representation after active magnetic steel disk, magnet steel positioning disk and the alinco assembled in the utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation after driven magnet steel dish, magnet steel positioning disk and the alinco assembled in the utility model;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the schematic perspective view of the active magnetic steel disk in the utility model;
Fig. 8 is the schematic perspective view of the driven magnet steel dish in the utility model;
Fig. 9 is the schematic perspective view of the positioning disk in the utility model;
Figure 10 is the schematic perspective view of the magnet steel in the utility model.
Embodiment
Referring to figs. 1 through Figure 10, magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system of the present utility model, comprise master coaxial with generator shaft 1 and that can rotate to it, driven magnet steel dish 21, 22, main, driven magnet steel dish 21, in 22 relative cards, be provided with some to opposite polarity magnet steel 23, described magnet steel 23 is with main, driven magnet steel dish 21, 22 Thickness Ratio is 1.25 ~ 1.67, above-mentioned Thickness Ratio makes the magnetic line of force concentrate on master, driven magnet steel dish 21, between 22, prevent leakage field phenomenon, greatly improve the magnetic energy utilization rate of magnet steel 23, in the present embodiment, the thickness of described magnet steel 23 is 10mm, described master, driven magnet steel dish 21, 22 thickness equates and is 6mm or 8mm.In the relative card of described driving and driven magnet steel dish 21,22, be provided with the magnet steel positioning disk 24 for fixing magnet steel 23, on magnet steel positioning disk 24, be provided with through hole 241, it is interior and bonding with active magnetic steel disk 21 or driven magnet steel dish 22 that described magnet steel 23 is arranged on through hole 241.In said structure, magnet steel 23 is bonded on the magnet steel dish exposing in through hole 241, by the sidewall of through hole 241, the sidewall of magnet steel 23 is carried out spacingly, has effectively prevented that magnet steel 23 is shifted and comes off, and guarantees that wind-driven generator normally works.Preferably, described magnet steel positioning disk 24 is fixedly connected on active magnetic steel disk 21 or driven magnet steel dish 22 by screw 10, makes magnet steel positioning disk 24 in magnet steel disc spins process, be difficult for dropping from magnet steel dish, has guaranteed its position-limiting action to magnet steel 23.
Further, when the magnet steel 23 of considering traditional square configuration is uniformly distributed around circular magnet steel dish, between adjacent magnet steel 23, be not consistent along the space D of magnet steel disc radial, but less the closer to this space D of position in the center of circle, make between adjacent magnet steel, to produce leakage field on magnet steel dish, thereby reduce master, the magnetic line of force between driven magnet steel dish, reduce magnetic flux density, reduce its energy output, described master, driven magnet steel dish 21, magnet steel 23 on 22 is shaped as trapezoidal and is uniformly distributed around magnet steel disk center separately, main, driven magnet steel dish 21, on 22, between adjacent magnet steel 23, the spacing along magnet steel disc radial separately equates all the time, prevent the leakage field phenomenon between adjacent magnet steel 23, thereby increase master, driven magnet steel dish 21, magnetic flux between 22, energy output and generating efficiency are further improved.
Further, described active magnetic steel disk 21 and driven magnet steel dish 22 are fixedly connected with by bolt 20 and the part of this bolt 20 between driving and driven magnet steel dish 21,22 is socketed with the spacing spacer 30 of air gap.Driving and driven magnet steel dish 21,22 is fixedly connected with by bolt 20, be connected firmly and be difficult for getting loose, guarantee the synchronism of driving and driven magnet steel dish 21,22 motions, thereby make to form and stablize and uniform magnetic field between driving and driven magnet steel dish 21,22, the spacing spacer 30 of above-mentioned air gap has guaranteed the distance between driving and driven magnet steel dish 21,22 simultaneously, has avoided the movement interference between coil panel and driving and driven magnet steel dish 21,22.
Preferably, the front and back end that described active magnetic steel disk 21 is socketed on generator shaft 1 and in its central shaft hole is respectively equipped with forward and backward bearing 51,52, between described forward and backward bearing 51,52, is provided with bearing inner spacing collar 53.The wind wheel 4 of generator is fixedly installed on the opposite side of the corresponding coil panel 31 of active magnetic steel disk 21, when work, generator shaft 1 maintains static with coil panel 31, wind wheel 4 rotates under Wind power propelling, and drive active magnetic steel disk 21 to rotate, active magnetic steel disk 21 drives driven magnet steel dish 22 synchronously to rotate around generator shaft 1 by bolt 20, thereby makes coil panel 31 make cutting magnetic line movement for the magnetic flux between the driving and driven magnet steel dish 21,22 of its both sides.Active magnetic steel disk 21 in the utility model is due to the structure that adopts forward and backward bearing 51,52 to be socketed in rotationally on generator shaft 1, eliminate cantilever effect, while is due to the outer ring rotating of bearing, the inner ring of bearing is fastened on generator shaft and does not rotate, thereby increase staring torque, reduce the requirement to starting wind-force, expanded the scope of application of the present utility model.
In addition, in order to alleviate the weight of driving and driven magnet steel dish 21,22, in this specific embodiment, on described driving and driven magnet steel dish 21,22, be provided with even number lightening hole 40, preferably, described lightening hole 40 is uniformly distributed around magnet steel disk center separately.
Certainly, the utility model, except above-mentioned execution mode, can also have other structural distortion, and these equivalent technical solutions also should be within its protection range.
Claims (6)
1. magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system, comprise master coaxial with generator shaft (1) and that can rotate to it, driven magnet steel dish (21, 22), main, driven magnet steel dish (21, 22) in relative card, be provided with some to opposite polarity magnet steel (23), it is characterized in that: described magnet steel (23) is with main, driven magnet steel dish (21, 22) Thickness Ratio is 1.25 ~ 1.67, and main, driven magnet steel dish (21, 22) in relative card, be provided with the magnet steel positioning disk (24) for fixing magnet steel (23), on magnet steel positioning disk (24), be provided with through hole (241), it is interior and bonding with active magnetic steel disk (21) or driven magnet steel dish (22) that described magnet steel (23) is arranged on through hole (241).
2. magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system according to claim 1, it is characterized in that: the magnet steel (23) on described driving and driven magnet steel dish (21,22) is shaped as trapezoidal and is uniformly distributed around magnet steel disk center separately, between the upper adjacent magnet steel (23) of driving and driven magnet steel dish (21,22), equate all the time along the spacing of magnet steel disc radial separately.
3. magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system according to claim 1, is characterized in that: described magnet steel positioning disk (24) is fixedly connected on active magnetic steel disk (21) or driven magnet steel dish (22) by screw (10).
4. magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system according to claim 1, is characterized in that: the part that described active magnetic steel disk (21) and driven magnet steel dish (22) are fixedly connected with by bolt (20) and this bolt (20) is positioned between driving and driven magnet steel dish (21,22) is socketed with the spacing spacer of air gap (30).
5. magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system according to claim 4, it is characterized in that: described active magnetic steel disk (21) is socketed in the front and back end of generator shaft (1) above and in its central shaft hole and is respectively equipped with forward and backward bearing (51,52), and described forward and backward bearing is provided with bearing inner spacing collar (53) between (51,52).
6. according to the arbitrary described magnet steel dish structure for extreme condition apparatus for lower wind electricity generation system of claim 1 to 5, it is characterized in that: on described driving and driven magnet steel dish (21,22), be provided with even number lightening hole (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862546.9U CN203691074U (en) | 2013-12-25 | 2013-12-25 | Magnetic steel disc structure used for wind generator system in extreme conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320862546.9U CN203691074U (en) | 2013-12-25 | 2013-12-25 | Magnetic steel disc structure used for wind generator system in extreme conditions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691074U true CN203691074U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320862546.9U Withdrawn - After Issue CN203691074U (en) | 2013-12-25 | 2013-12-25 | Magnetic steel disc structure used for wind generator system in extreme conditions |
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| CN (1) | CN203691074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730963A (en) * | 2013-12-25 | 2014-04-16 | 佛山市顺德区风源能源科技有限公司 | Magnetic steel panel structure used for wind power generation system under extreme condition |
-
2013
- 2013-12-25 CN CN201320862546.9U patent/CN203691074U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730963A (en) * | 2013-12-25 | 2014-04-16 | 佛山市顺德区风源能源科技有限公司 | Magnetic steel panel structure used for wind power generation system under extreme condition |
| CN103730963B (en) * | 2013-12-25 | 2016-04-13 | 佛山微海能源科技有限公司 | Extreme condition apparatus for lower wind electricity generation system magnet steel dish structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FOSHAN MICROSEA ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FOSHAN SHUNDE WINDPOWER ENERGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528300 Guangdong Province, Foshan city Shunde District Daliang Street office Xinjiao community neighborhood committee expand Road No. 32 Patentee after: Foshan Microsea Energy Technology Co., Ltd. Address before: 528300, No. 13 South Whitehead Road, Daliang gate, Shunde District, Guangdong, Foshan Patentee before: WINDPOWER ENERGY CO., LTD. SHUNDE |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |