CN201412268Y - Double magnetism-different magnetic loop magnetic means and hybrid bearing for vertical-shaft external-rotation-shell type small-sized wind power generator - Google Patents
Double magnetism-different magnetic loop magnetic means and hybrid bearing for vertical-shaft external-rotation-shell type small-sized wind power generator Download PDFInfo
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- CN201412268Y CN201412268Y CN2008201558871U CN200820155887U CN201412268Y CN 201412268 Y CN201412268 Y CN 201412268Y CN 2008201558871 U CN2008201558871 U CN 2008201558871U CN 200820155887 U CN200820155887 U CN 200820155887U CN 201412268 Y CN201412268 Y CN 201412268Y
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C39/00—Relieving load on bearings
- F16C39/06—Relieving load on bearings using magnetic means
- F16C39/063—Permanent magnets
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
A vertical-shaft external-rotation-shell type small-sized wind power generator has a spare direction tail vane and an electrical brush, a slip ring and the like, but a bearing of the generator can bewore or scrapped quickly because of shaft down pressure from heavy fins and the like and radial twist formed by the pushing of wind force. In the utility model, a magnetic means is added, the magneticmeans consists of an upper double magnetism-different magnetic loop which is sleeved on a vertical shaft coaxially and a lower double magnetism-different magnetic loop with different magnetism correspondingly installed in an external rotation shell coaxially.The double magnetism-different magnetic loop is formed by coaxially sticking an inner magnetic loop and an external magnetic loop which havedifferent ring diameters on an iron pan, an radial distance exists between the two loops which have different magnetisms at the same axial surface, the magnetic attractive force between the upper double magnetism-different magnetic loop and the lower double magnetism-different magnetic loop is provided for the external rotation shell as an upward bearing force to balance the total weight of the external rotation shell, the upper double magnetism-different magnetic loop and the lower double magnetism-different magnetic loop are in a radial magnetic pole coupling state and provides a radial supporting rigidity to the external rotation shell, therefore, axial and radial pressures to the bearing can be reduced, friction and wear abrasion can also be reduced; the structure of the double magnetism-different magnetic loop magnetic means is simple and practical.
Description
Technical field
Wind-driven generator, magnetics, mechanics, magnetic levitation technology
Technical background
The axis wind power generator that stands is economized with direction tail vane and three-phase electric brush slip ring etc., the fan blade adapted that outer transcapsidation formula is easy and new and effective, unique superiority is arranged, but be subjected to being connected with the heavier downforce of fan blade and rotor and huge outer transcapsidation because of bearing, friction and loss are strengthened, more because of being subjected to not plan the then omnibearing twisting of wind direction and wind-force, bearing is caused more significant pushing tow or angle distortion, particularly the stressed bigger bearing in top can't bear the heavy load, wearing and tearing have been quickened, these drawbacks cause the long-term bottleneck that is difficult for popularization, some patent as: 200610122794.4 adopt the full magnetic suspension bearings to replace bearings, there is not friction, but complex structure, the cost height, adjust difficulty, and some patent is to be applicable to the cantilever type wind-driven generator as 200610122794.9, can not apply mechanically because of architectural difference, and this paper provides practical plan targetedly.
Summary of the invention
Goal of the invention
The magnetic means that adds is given the bearing Reduction of Students' Study Load of the shaft housing formula small-sized wind power generator that stands effectively, improves effect and life-span, and is simple and practical.
Technological scheme
Scheme is: adopt the combined bearing scheme; on the basis of original bearing; add magnetic means; magnetic means applies the axial supporting force that makes progress to the outer transcapsidation body of heavy rotation; and set up transverse diameter to support stiffness; increase the burden of frictional force with slowly-releasing bearing withstanding pressure; and bearing has played spacing and protective action; general construction can be simplified like this; low and the good reliability of cost; magnetic means is to adopt the direct magnetic attraction that there is a natural attraction between the sexes between the permanent magnet 1 setting up the axial supporting force that makes progress; design the size of supporting force according to the gross weight of outer transcapsidation; but simplified structure like this, and transverse diameter to, bearing is subjected to the pushing tow and the angle distortion of irregular wind-force and wind direction; but this is a parameter; can only come the burden of slowly-releasing bearing this respect with support stiffness, for finishing the task of this two aspect, this programme adopts hoop coaxially to be enclosed within the following pair magnetic means that different magnet ring is formed that two different magnet rings and below are contained in the different magnetic at corresponding site place in the rotational shell coaxially of going up on the fixing vertical dead axle.Two different magnet rings be two rings high identical and in the different magnetic that the ring footpath is different hollow magnet ring be mounted on the iron pan of magnetic conduction, because of the different inside and outside ring that become in ring footpath, have one radially to open distance between the inside and outside ring, inside and outside ring is a different pole each other at same axial magnetic pole strength, at an axial vane surface place, these two each other the iron pan of magnetic pole strength by magnetic conduction of different pole forward do not have the magnetic conductance of magnetic dispersion and the magnetic of this place's magnetic pole strength guiding another opposing magnetic pole strength separately got on, also promptly strengthened in the magnetic of the magnetic pole strength of the different pole each other separately of opening end, going up two different magnet rings is that interior outer magnetic ring is mounted on the axial lower surface place perpendicular to the iron pan of the axle that stands, and following pair of different magnet ring is that iron pan is descending magnet ring last, go up two different magnet rings and be contained in coaxially and be rotated in the interior corresponding site place of outer transcapsidation, the distance of opening of axial a Gong adjustment is arranged between the different up and down magnet ring.The ring footpath of the following outer shroud of the following pair different magnet ring that the last outer shroud of upward two different magnet rings is relative with the below is identical, and upper inner ring is also identical with the ring footpath of lower inner ring, the open end of outer shroud up and down, the magnetic polarity of the magnetic pole strength on axial vane surface opposite is a different pole each other, equally, the aspectant magnetic pole strength of last lower inner ring opening end, it also is different pole each other, magnetic attraction is arranged between the outer shroud up and down, between the last lower inner ring magnetic attraction is arranged, outer shroud and last lower inner ring all are in magnetic pole coupled state radially simultaneously and imply the bonding force with energy state orientation effect radially up and down, promptly the relative position radially of pair different magnet rings up and down at above-mentioned magnetic pole coupled state is the minimum stable orientation of energy state, when make because of external force two up and down different magnet rings take place radially relative displacement and during the angle distortion, will depart from original magnetic pole coupled state and become to departing from coupled state, energy state is improved, can produce one bonding force simultaneously, this bonding force is with above-mentioned external force opposite orientation, ordering about two up and down different magnet rings is reset to the minimum original and orientation magnetic pole coupled state of energy state and gets on, thereby this makes a concerted effort to become stabilizing force source radially, the outer transcapsidation that two different magnet rings are housed down be subjected to upper fixed on the axle that stands on inside and outside two different magnet rings two strands upwards inhale the magnetic attraction that draws and become be equilibrated at outside the supporting force of transcapsidation gross weight, adjust magnetic structure, promptly change the size of the volume and the magnetic pole strength of magnet ring, change opening between the different magnet ring up and down apart from size, can both change the size of supporting force, outside supporting force approaches during the gross weight of transcapsidation, outer transcapsidation is in the accurate magnetic suspension state that is equivalent to weightless attitude, outer transcapsidation approaches null value for the downforce of bearing, the suffered axial downforce of bearing is able to slowly-releasing, and adjust magnetic structure make described transverse diameter to support stiffness to enough greatly the time, wind-force reverses to bearing for the radially jacking force of bearing and angle by outer transcapsidation and causes the burden of this respect to be able to slowly-releasing, thereby magnetic means plays the Reduction of Students' Study Load effect.This magnetic means optionally can be used to a more than place.
Beneficial effect:
Added magnetic means, can reduce the pressure-bearing of bearing, reduced friction and wear and tear, improved the life-span, this programme is simple in structure, and cost is low, and actual effect is good, for applying of novel wind generator made society and economic benefit.
Description of drawings:
Numbering:
0, the shaft centre line 2 of vertical shaft, rotor (p-m rotor of generator)
3, fan blade 4, bearing (mechanical bearing) 5, stator (staor winding of generator)
6, go up two different magnet rings 7, the iron pan of the following pair of different magnet ring 8, magnetic conduction
9, last outer shroud 10, upper inner ring 11, following outer shroud 12, lower inner ring
14, outer transcapsidation or frame 15, chassis 16, three-phase output line
20, the ring radius 21 of following outer shroud, the ring radius of lower inner ring
22, open apart from 25 the ring height of following outer shroud (magnet ring height) between following outer shroud and lower inner ring
26, the ring height of lower inner ring (magnet ring height)
30, the magnetic pole strength that makes progress of the open end of following outer shroud
31, the magnetic pole strength that makes progress of the open end of following inside and outside ring
35, axially open distance between two up and down different magnet rings
40, the downward magnetic pole strength of the open end of last outer shroud
41, the downward magnetic pole strength of the open end of upper inner ring
42, open distance between last outer shroud and the upper inner ring
45, the ring height of last outer shroud (height of magnet ring)
46, the ring height of upper inner ring (height of magnet ring)
48, the ring radius 49 of last outer shroud, the ring radius of upper inner ring
Accompanying drawing: Fig. 1, magnetic means structural drawing 1a are that axial top view 1b is radial side view Fig. 2, total figure
Embodiment:
1a is that axial top view 1b is a radial side view
The corresponding site place of the frame 14 of transcapsidation outside is installed with down two different magnet rings 7, this following pair of different magnet ring 7 by perpendicular to two of the axial upper surface of the iron pan 8 of the magnetic conduction of axle 1 the shaft axis 0 that stands and the coaxial iron pan 8 that is mounted on this magnetic conduction in shaft axis 0 ground each other the magnet ring of different magnetic form, the ring footpath of these two magnet rings is different, the center of magnetic pole strength that is magnet ring is from the radius difference of shaft centre line 0, and be divided into outer shroud and interior ring, also promptly descend the radius 21 of the radius 20 of outer shroud 11 greater than lower inner ring 12, have one radially to open between following outer shroud 11 and the lower inner ring 12 apart from 22, the ring high 26 of ring of following outer shroud 11 high 25 and lower inner ring 12 is identical, certainly, described outer shroud 11 down and lower inner ring 12 are all coaxial in the shaft centre line 0 of the axle 1 that stands, following outer shroud 11 and lower inner ring 12 are different poles each other, and down the magnetic pole strength of different magnetic each other is by forward not the having magnetic dispersion ground magnetic conductance of iron pan 8 of magnetic conduction the opposing separately magnetic pole strength of magnetic guiding of magnetic pole strength herein to be got on separately, promptly the following outer shroud magnetic pole strength 30 and the lower inner ring magnetic pole strength 31 of guiding opening end up get on, then strengthened the magnetic of open end, the following pair of different magnet ring 7 is with the rotation of facining the wind of outer transcapsidation body 14.
The axle 1 that stands be pass through down pair different magnet rings 7 magnetic conduction iron pan 8 center hole and extend upward, necessarily opening above following pair of different magnet ring 7 of distance axial apart from 35 places, hoop is enclosed within to have on the dead axle 1 that hangs down and goes up two different magnet rings 6 coaxially, it is identical with the structure of following pair of different magnet ring 9 to go up two different magnet rings 6, but interior outer magnetic ring is mounted on the lower surface of the iron pan 8 of magnetic conduction, and opening end down.
Last outer shroud 9 and following outer shroud 11 axially be corresponding up and down and on the radius 20 of the radius 48 of outer shroud 9 and following outer shroud 11 identical, upper inner ring 10 axially also is being corresponding up and down with lower inner ring 12 also, the radius 49 of upper inner ring 10 is identical with the radius 21 of lower inner ring 12, last outer shroud 9 and following outer shroud 11 are not different each other magnetic, upper inner ring 10 also is different each other magnetic with lower inner ring 12, promptly the magnetic pole strength of opening end is a different magnetic each other up and down separately, the magnetic polarity that also promptly goes up the magnetic pole strength 40 on the opening end of outer shroud 9 is that the magnetic pole strength that makes progress 30 with the opening end of following outer shroud 11 is different poles each other, in like manner, the magnetic polarity of the downward magnetic pole strength 41 of the opening end of upper inner ring 10 also is the magnetic pole strength 31 that makes progress with lower inner ring 12 an opening mouth ends different pole each other, though following pair of different magnet ring 7 is to rotate with frame 14, but because of two up and down different magnet rings 6 and 9 all are coaxial, so still keep above-mentioned situation, as known from the above, the upwards magnetic pole strength 30 of following outer shroud 11 and upper inner ring 10 downward magnetic pole strengths 40 are that there is a natural attraction between the sexes mutually, the upwards magnetic pole strength 31 of same lower inner ring 12 and upper inner ring 10 downward magnetic pole strengths 41 are that there is a natural attraction between the sexes mutually, the outer transcapsidation 14 of two different magnet rings 7 then is housed down, be subjected to produced simultaneously inside and outside two strands of magnetic attractions that draw of upwards inhaling that there is a natural attraction between the sexes of going up two different magnet rings 6 that top hoop is enclosed within the axle 1 that stands and become axial supporting force with the gross weight that is equilibrated at outer transcapsidation, adjust magnetic structure, make the supporting force of being crossed approach the gross weight of outer transcapsidation 14, outer transcapsidation 14 this moment is in the accurate magnetic suspension state that is equivalent to weightless attitude, the axial downforce of 14 pairs of bearings 4 of then outer transcapsidation can be reduced to minimum degree, thereby slowly-releasing the burden that axially is subjected to downforce of bearing 4, descend outer shroud 11 and last outer shroud 9 and lower inner ring 12 all to divide other side by side to be in the magnet radial poles coupled state in addition and implicitly have a radially bonding force of energy state orientation effect with upper inner ring 10, and given support stiffness, can resist wind-force radially pushing tow and angle that bearing 4 causes are reversed, slowly-releasing be connected with fan blade 3 14 pairs of bearings of outer transcapsidation 4 form the radially burden of this respects.
See: the stand magnetic means and the combined bearing of axle outer transcapsidation or small-sized wind power generator of Fig. 2 always schemed
The axle 1 that stands is fixed and is connected with generator unit stator winding 2 at the middle part, in the top and the bottom of staor winding 2 bearing 4 is housed, axle 1 the topmost part that stands is equipped with pair different magnet rings 6, the three-phase output line 16 of staor winding is through the hollow bottom of guiding into of the bottom of the axle 1 that stands, pass through axle 1 the bottom chassis 15 and exporting of standing, the outer surface of outer transcapsidation or frame 14 is equipped with fan blade 3, p-m rotor 5 is equipped with at the middle part of the inside of outer transcapsidation 14, outer transcapsidation or frame 14 are by two bearings 4 up and down and spool 1 mistake mutually of sliding that stands, bind round coaxially on 1 top on the axle that stands and to be with two different magnet rings 6, and below last two different magnet rings 6, necessarily open apart from the place, corresponding following pair of different magnet ring 7 is housed in the transcapsidation outside, its magnetic conduction iron pan 8 is a hollow, vertical shaft 1 sky is got over this mesopore and is extended upward, magnetic means is made of last two different magnet rings 6 and following pair of different magnet ring 7, outer transcapsidation or frame 14 that two different magnet rings 7 are housed down obtain the axial supporting force that makes progress and are given radial support rigidity radially implying the bonding force with energy state orientation effect, magnetic means can play the axial of bearing and Reduction of Students' Study Load effect radially, can be by adjusting magnetic structure, promptly increase the volume and the magnetic pole strength of magnet ring, reduce to go up the axial spacing 35 of two different magnet rings 6 and following pair of different magnet ring 7, can both increase described axially mounting power and radial support rigidity value, to reach requirement.
Claims (2)
1, a kind of two different magnet ring magnetic means and combined bearing of the outer transcapsidation formula small-sized wind power generator of axle that stands, magnetic means by original bearing and interpolation is formed, it is characterized in that described magnetic means is meant that the corresponding following pair different magnet ring that binds round the different magnetic in the shell that is co-axially mounted on rotation of going up pair different magnet rings and below that is enclosed within on the fixing axle that stands coaxially by the top is constituted, described two different magnet ring is meant, on the iron pan of a magnetic conduction, be pasted with the hollow magnet ring of the permanent magnetism of the high identical and different magnetic each other that the ring footpath is different of two coaxial rings, and be divided into because of the size in its ring footpath: interior ring and outer shroud, have between the inside and outside ring one radially open distance, and at same axial place, the magnetic polarity of the axial magnetic pole strength of inside and outside ring is a different pole each other, the described pair different magnet rings of going up are meant: magnet ring is mounted on the lower surface place of iron pan, following pair of different magnet ring then is the upper surface place that magnet ring is mounted on iron pan, described up and down correspondence is meant: the ring of going up outer shroud and following outer shroud directly identical and mutually aspectant up and down magnetic pole strength is different pole each other, the ring of upper inner ring and lower inner ring footpath also identical and mutually aspectant magnetic pole strength also is a different pole each other, last outer shroud and following outer shroud axially are being different magnetic and inhaling mutually, and upper inner ring and lower inner ring axially also are being different magnetic and inhaling mutually, then, the magnetic attraction that has the axial magnetic bearing power of inside and outside two bursts of conducts simultaneously, and outer magnetic ring is in magnetic pole coupled state radially mutually up and down, and internal magnetic ring also is the magnetic pole coupled state that is in mutually radially up and down, promptly radially also there are inside and outside two magnetic pole coupled states simultaneously, then, the outer transcapsidation that two different magnet rings are housed down both had been subjected to being enclosed within two bursts of axial magnetic bearing power that the suction that makes progress is drawn of the upward two different magnet rings on the axle that stands, simultaneously, outer transcapsidation also is to be in to have been given inside and outside two support stiffnesses radially: the magnetic pole coupled state
2, the two different magnet ring magnetic means and the combined bearing of a kind of outer transcapsidation formula small-sized wind power generator of axle that stands according to claim 1 is characterized in that described two different magnet ring magnetic means, in wind-driven generator, are used to a more than place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201558871U CN201412268Y (en) | 2008-11-25 | 2008-11-25 | Double magnetism-different magnetic loop magnetic means and hybrid bearing for vertical-shaft external-rotation-shell type small-sized wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201558871U CN201412268Y (en) | 2008-11-25 | 2008-11-25 | Double magnetism-different magnetic loop magnetic means and hybrid bearing for vertical-shaft external-rotation-shell type small-sized wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412268Y true CN201412268Y (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201558871U Expired - Fee Related CN201412268Y (en) | 2008-11-25 | 2008-11-25 | Double magnetism-different magnetic loop magnetic means and hybrid bearing for vertical-shaft external-rotation-shell type small-sized wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412268Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832334A (en) * | 2010-05-20 | 2010-09-15 | 魏乐汉 | Permanent magnet magnetic bearing |
| CN114893353A (en) * | 2022-04-25 | 2022-08-12 | 迈格钠磁动力股份有限公司 | Vertical axis wind turbine |
-
2008
- 2008-11-25 CN CN2008201558871U patent/CN201412268Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832334A (en) * | 2010-05-20 | 2010-09-15 | 魏乐汉 | Permanent magnet magnetic bearing |
| CN101832334B (en) * | 2010-05-20 | 2012-07-04 | 魏乐汉 | Permanent magnet magnetic bearing |
| CN114893353A (en) * | 2022-04-25 | 2022-08-12 | 迈格钠磁动力股份有限公司 | Vertical axis wind turbine |
| CN114893353B (en) * | 2022-04-25 | 2022-12-09 | 迈格钠磁动力股份有限公司 | Vertical axis wind turbine |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI TEYIN ENERGY SAVING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TANG JIANYI Effective date: 20120316 Free format text: FORMER OWNER: BAI JIYIN GUO GUILIN Effective date: 20120316 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200042 CHANGNING, SHANGHAI TO: 200082 HONGKOU, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120316 Address after: 200082 room 2, building 988, No. 204, Pingliang Road, Shanghai, China Patentee after: Shanghai special silver Energy Saving Technology Co., Ltd. Address before: 200042 Shanghai Wanhangdu Road 829 Lane 3 Building No. 19A Co-patentee before: Bai Jiyin Patentee before: Tang Jianyi Co-patentee before: Guo Guilin |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20131125 |