CN201615024U - Axial flow even-wheel symmetrically bending type wind machine - Google Patents
Axial flow even-wheel symmetrically bending type wind machine Download PDFInfo
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- CN201615024U CN201615024U CN2010201141095U CN201020114109U CN201615024U CN 201615024 U CN201615024 U CN 201615024U CN 2010201141095 U CN2010201141095 U CN 2010201141095U CN 201020114109 U CN201020114109 U CN 201020114109U CN 201615024 U CN201615024 U CN 201615024U
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- energy conversion
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The utility model relates to a wind power converting device, in particular to an axial-flow even-wheel symmetrically bending type wind machine. The wind machine comprises a rack and axial flow wind wheels and is characterized in that the wind wheels (3) are installed on the left side and the right side of the rack (1) in pairs; each wind wheel (3) is supported via a horizontal supporting arm (4); one end of the supporting arm (4) is hinged on a revolving body (2) through a rotating shaft (5); the revolving body (2) is rotationally connected with the rack; a downwind shaft (8) is connected behind the revolving body (2); a sliding block (9) is installed on the downwind shaft (8); a spring (11) is installed on the sliding block (9); the acting force of the spring to the sliding block is towards the direction of the revolving body; two pull rods (6) are respectively hinged on the sliding block through a short shaft (10); and the other end of the pull rods is respectively hinged on the two bilaterally symmetrical supporting arms. The wind power converting device has the benefits that the power of the wind machine is increased without increasing the length of the blades, and when the wind speed exceeds the limited speed, the two symmetrical wind wheels are automatically folded behind along with the supporting arms at equal angles to reduce the wind area and avoid the damage due to excessive speed, therefore, the security of the wind machine is enhanced, and the purposes of enhancing power and reducing the cost are achieved.
Description
Technical field
The utility model relates to a kind of wind power conversion device, promptly a kind of axial-flow even wheel symmetry turnover wind energy conversion system.
Background technique
Wind energy conversion system is the mechanical device by the turned work done.The kind of wind energy conversion system is a lot, if divide according to the relation of wind wheel rotating shaft and wind direction, mainly contains two kinds of axial flow and radial-flow types.The axial direction of axial flow wind wheel is consistent with wind direction, the rotating shaft of radial-flow type wind wheel radially consistent with wind direction.Because the flabellum section configuration of axial flow wind wheel meets the Bai Nuli fluid mechanics equation, working efficiency is higher, thereby becomes the major product on the market., existing axial flow wind energy conversion system all adopts the single wheel structure, and promptly one is supported the wind wheel that several blades are housed above the frame.Find in the practice that there are following two problems in this wind energy conversion system: the one, blade is long.In order to increase wind-receiving face, must add linear leaf, and oversize blade will increase weight, and damage poor stability easily.The 2nd, the rate of fault height.Existing wind energy conversion system can only be protected the safety of miscellaneous part by cutting off the mode of drive path automatically when wind-force is excessive, wind wheel itself then rotates in the same old way and is subjected to less than protection.The wind wheel of overspeed rotation is easy to damage, and blade also can fly and hurts sb.'s feelings.For this reason, locate in grassland, mountain pass etc. preferably at wind resource, all can not use bigger wind energy conversion system, general wind energy conversion system has only about 300W, can only drive TV and illumination, can not satisfy the production electricity consumption.If bigger wind energy conversion system is installed, then must have bigger intensity and tonnage, working efficiency is lower, and cost is higher, and cost performance is very low.In addition, the wind energy conversion system shelf design also will be considered the wind loading rating of frame self except will considering watt level.Therefore, a low power wind energy conversion system also will have a very big frame.Low power wind energy conversion system is compared with a powerful wind energy conversion system, and the difference of frame strength is poor less than power often, suppose the wind wheel power of a wind energy conversion system is reduced half, but the specification of frame can not reduce half.In other words, suitably increase the power of wind wheel, can reduce the cost of frame relatively.But on existing single wind wheel, increase power, then must increase the length of blade, will reduce the intensity and the Security of wind wheel.Therefore, should seek the approach that other improve wind energy conversion system power.
Summary of the invention
The purpose of this utility model provides a kind of under the situation that does not increase length of blade, increase the blowing area of wind energy conversion system, and can suffered wind-force and the rotating speed of reasonable limits wind wheel when wind-force transfinites, high working efficiency, material consumption is little, cost is lower, safe and reliable axial-flow even wheel symmetry turnover wind energy conversion system.
Above-mentioned purpose is realized by following technological scheme: develop a kind of axial-flow even wheel symmetry turnover wind energy conversion system, comprise frame and axial flow wind wheel, different is: said wind wheel paired mounting is in the left and right sides of frame, each wind wheel is all supported by the support arm of a horizontal, one end of support arm by the rotating shaft hinge on solid of rotation, solid of rotation and frame are rotationally connected, solid of rotation picks out an axle with the wind backward, on the axle slide block is housed with the wind, spring is housed on the slide block, spring to the active force of slide block towards the solid of rotation direction, above the slide block by two pull bars of minor axis hinge, the other end of pull bar respectively hinge on two symmetrical support arms.
Said solid of rotation is the rod member of a kind of middle part bending, and its middle part is the swing arm of one section horizontal, swing arm one end be folded to the top and with support arm mutually hinge supporting base, the other end is to extend the swivel that is rotationally connected with frame downwards.
Said solid of rotation is the rod member of a setting, and the lower end and the frame of rod member are rotationally connected, and the upper end of dwang and support arm be hinge mutually.
There is a rotating shaft upper end of said solid of rotation, and inner all hinges of symmetrical two support arms are in this rotating shaft.
Respectively there is a rotating shaft both sides of said solid of rotation, and the inner difference hinge of symmetrical two support arms is in two rotating shafts.
Said spring is pulled between solid of rotation and the slide block.
Be provided with the synchronizer of coordinating rotating speed between two wind wheels of said paired mounting.
Said synchronizer is that a horizontal umbrella gear is housed on solid of rotation, above the horizontal umbrella gear respectively with about two vertical umbrella gear be meshed, the axostylus axostyle of two vertical umbrella gear stretches out along two support arms respectively and joins by a pair of umbrella gear with the axle head of wind energy conversion system.
Be equipped with many on the frame of said wind energy conversion system to wind wheel.
The beneficial effects of the utility model are: because one or more pairs of wind wheels are housed, both reduced the cost of frame on same frame, under the situation that does not increase length of blade, increased the blowing area of wind energy conversion system again.When wind speed transfinited, two wind wheels of symmetry can reduce blowing area with support arm isogonism doubling backward automatically, avoided hypervelocity to damage, and the Security that has improved wind energy conversion system has realized the purpose that wind energy conversion system improves power, reduces cost.
Description of drawings
Fig. 1 is first kind of embodiment's a plan view;
Fig. 2 is first kind of embodiment's a left view;
Fig. 3 is first kind of embodiment's a plan view;
Fig. 4 is first kind of embodiment's structure elucidation figure;
Fig. 5 is a kind of working state figure of first kind of embodiment;
Fig. 6 is first kind of embodiment's an another kind of working state figure;
Fig. 7 is second kind of embodiment's a plan view;
Fig. 8 is the third embodiment's a plan view;
Fig. 9 is the 4th kind of embodiment's a plan view;
Figure 10 is the 5th kind of embodiment's a plan view;
Figure 11 is the 6th kind of embodiment's a plan view;
Figure 12 is the 6th kind of embodiment's a left view;
Figure 13 is the 6th kind of embodiment's a plan view.
Among the figure as seen: frame 1, solid of rotation 2, wind wheel 3, support arm 4, rotating shaft 5, pull bar 6, bar 7, axle 8 with the wind, slide block 9, minor axis 10, spring 11, supporting base 12, swing arm 13, swivel 14, horizontal umbrella gear 15, vertical umbrella gear 16, umbrella gear 17.
Embodiment
The total design of the utility model be on the frame of wind energy conversion system by swinging support arm paired mounting wind wheel, a pair of at ordinary times wind wheel can automatic wind facing work, when wind-force transfinited, isogonism tilted automatically, reduced blowing area, prevented that hypervelocity from damaging.Introduce six kinds of embodiments below in conjunction with accompanying drawing.
First kind of embodiment: as seen in conjunction with Fig. 1,2,3,4, this wind energy conversion system has a frame 1, solid of rotation 2 of assembling above the frame, solid of rotation 2 is rod members of a middle part bending, its middle part is the swing arm 13 of one section horizontal, swing arm 13 1 ends be folded to the top and with support arm 4 mutually hinge supporting base 12, the other end is to extend downwards the swivel 14 that is rotationally connected with frame 1.Swivel 14 is sleeved on the outside, upper end of frame, can rotate around the axle center of frame 1.In actual facility, bearing should be housed here, what exemplify in this example also is the simplest a kind of bearing.A rotating shaft 5 is arranged on solid of rotation 4, and by two support arms 4 of rotating shaft 5 hinges, 3, two wind wheels 3 of wind wheel frame 1 the right and left that is placed in is respectively installed in the outer end of support arm 4.By Fig. 2,3 as seen, a flat backward axle 8 with the wind of stretching is housed on solid of rotation 2, is with a movable sliding block 9 on the axle 8 with the wind, slide block 9 one sides are equipped with spring 11, spring 11 can be a stage clip, also can be extension spring, and its active force is that slide block 9 is drawn close to solid of rotation 4 one sides.What exemplify in this example is one and is pulled between solid of rotation 2 and the slide block 9, and is enclosed within the extension spring on the axle 8 with the wind.Pass through the middle part of bar 7 difference hinges by the outer end of 6, two pull bars 6 of two pull bars of rotating shaft 5 hinges above the slide block 9 at two support arms 4.
Fig. 5 has introduced a kind of working state of this wind energy conversion system by magnification ratio.As seen from the figure, symmetrical two wind wheel 3 axis are parallel to each other, and meet jointly the wind comes from.And rotation with the wind, its blade are relative with wind direction all the time, and axle 8 is consistent with wind direction all the time with the wind.
Fig. 6 has represented the another kind of working state of this wind energy conversion system by magnification ratio.This state just when wind-force transfinites, two support arm 4 doublings backward, to reduce the wind-exposuring area of wind wheel 3, making a part of wind-force is to release outside the area that covers of blade, to guarantee the safety of complete machine and wind wheel.Obviously, the active force that overcomes spring 11 of swinging to the rear of two support arms 4 is realized, is with respect to the isogonism doubling of axle 8 with the wind, so still keep the stressed equilibrium in both sides in the doubling process.Also can know simultaneously, the restriction of wind-force is to realize by the mechanics parameter of adjusting spring 11.
Can be seen that by above analysis this wind energy conversion system increases blowing area by increasing wind wheel 3, its blade must not increase, even can also shorten, and the power of equipment increases relatively.By theoretical calculation and engineering practice as can be known, adopt this two-wheel structure, the increment of the intensity index of frame 1 is compared with the increment of complete machine power, is very little, thereby is very economical.All these all are the power that increases wind energy conversion system, reduce the cost of wind energy conversion system, and technical support is provided.
Second kind of relative Fig. 1 of embodiment: Fig. 7 is a plan view, and the wind energy conversion system difference that represented wind energy conversion system and precedent are introduced is little, and just some is different for the hinging manner of two support arms 4 and solid of rotation 2.Two support arms, 4 strings of precedent belong to coaxial configuration in a rotating shaft 5.And two support arms 4 in this example respectively hinges also can work in the both sides of solid of rotation 4, the mode that hinge is described is diversified, as long as can all should belong to the mechanism that is equal to around the rod member of the axis rotation of vertical and horizontal.
The third embodiment: as the relative Fig. 1 of Fig. 8 is a plan view, is provided with the mechanism that a cover rotates two wind wheels 3 synchronously between two wind wheels 3 of represented wind energy conversion system.Certainly, the mechanism that can reach this purpose also is a lot, only exemplifies a kind of umbrella gear lazy-tongs among the figure.As seen from the figure, this synchronizer is equipped with a horizontal umbrella gear 15 on solid of rotation 2, above the horizontal umbrella gear 15 respectively with about the vertical umbrella gear 16 of two wheel faces be meshed, the axostylus axostyle of two vertical umbrella gear 16 stretches out along two support arms 4 respectively and joins with the axle head of wind wheel 3, be provided with a pair of bevel gear 17 in the connecting part, one of them umbrella gear is contained in the axle head of vertical umbrella gear 16, and another is contained in the axle head of wind wheel 3.Like this, the rotating speed of two wind wheels 2 will be equal to unanimity about.The benefit that experiment showed, this structure has 2 points: the one, can make both sides wind wheel 3 stress equalizations, and in work wind-force, plane, blade place is relative with wind direction, and axle 8 is consistent with wind direction with the wind, looks for the wind performance good.When wind-force transfinited, axle was 8 still consistent with wind direction with the wind, and plane, blade place equates with angle between the wind direction, lets out the wind best results.In addition, two wind wheels 3 arrive the concentration of energy of gathering together by driving mechanism, drive a generator or other facility jointly, make more compact structure, and cost further reduces.
The 4th kind of embodiment: as shown in Figure 9, dress is not only a pair of wind wheel 3 on the frame 1 of this wind energy conversion system, but it is many to wind wheel 3, but wind wheel 3 all is the even number of symmetry, so claim the idol wheel, stressedly remain balanced, not only kept the performance of precedent equipment, but also can further embody the advantage of two-wheel wind energy conversion system.
The 5th kind of embodiment: as shown in figure 10, on the neutral position of idol wheel wind energy conversion system, install single wind wheel 2 additional, obviously also can work, but belong to prior art because institute adds structure, this type belongs to the simple superposition of idol wheel wind energy conversion system and prior art, thereby also should belong to the technological scheme that is equal to.
The 6th kind of embodiment: shown in Figure 11,12,13, some difference of embodiment of solid of rotation 2 here and front, the middle part is bending not, but the tubulose rod member of a setting, swivel 14 and frame 1 upper end that its hypomere is equivalent to say among first kind of embodiment are rotationally connected.Its upper end is equivalent to the supporting base 12 said among first kind of embodiment, by two support arms 4 about rotating shaft 5 hinges.Because solid of rotation 2 is bending not, its performance of following the tracks of wind direction is not good if any bending, therefore, adds the preceding paragraph empennage 18 in the back of axle 8 with the wind, remedied this shortcoming.Certainly, this empennage 18 also can be located at the back of each wind wheel 3, because of belonging to prior art, so repeat no more.
Claims (9)
1. an axial-flow even is taken turns symmetry turnover wind energy conversion system, comprise frame and axial flow wind wheel, it is characterized in that: said wind wheel (3) paired mounting is in the left and right sides of frame (1), each wind wheel (3) is all supported by the support arm (4) of a horizontal, one end of support arm (4) by rotating shaft (5) hinge on solid of rotation (2), solid of rotation (2) is rotationally connected with frame (1), solid of rotation (2) picks out an axle (8) with the wind backward, on the axle (8) slide block (9) is housed with the wind, spring (11) is housed on the slide block (9), spring (11) to the active force of slide block (9) towards solid of rotation (2) direction, by minor axis (10) two pull bars of hinge (6), the other end of pull bar (6) difference hinge is on two symmetrical support arms (4) above the slide block (8).
2. axial-flow even wheel symmetry turnover wind energy conversion system according to claim 1, it is characterized in that: said solid of rotation (2) is the rod member of a kind of middle part bending, its middle part is the swing arm (12) of one section horizontal, swing arm (13) one ends be folded to the top and with support arm (4) mutually hinge supporting base (12), the other end is to extend downwards the swivel (14) that is rotationally connected with frame (1).
3. axial-flow even according to claim 1 wheel symmetry turnover wind energy conversion system, it is characterized in that: said solid of rotation (2) is the rod member of a setting, and the lower end of rod member and frame (1) are rotationally connected, and the upper end of rotation rod member and support arm (4) be hinge mutually.
4. axial-flow even wheel symmetry turnover wind energy conversion system according to claim 1, it is characterized in that: there is a rotating shaft (5) upper end of said solid of rotation (2), and inner all hinges of symmetrical two support arms (4) are in this rotating shaft (5).
5. axial-flow even wheel symmetry turnover wind energy conversion system according to claim 1, it is characterized in that: respectively there is a rotating shaft (5) both sides of said solid of rotation (2), and the inner difference hinge of symmetrical two support arms (4) is in two rotating shafts (5).
6. axial-flow even wheel symmetry turnover wind energy conversion system according to claim 1, it is characterized in that: said spring (11) is pulled between solid of rotation (2) and the slide block (8).
7. axial-flow even wheel symmetry turnover wind energy conversion system according to claim 1 is characterized in that: be provided with the synchronizer of coordinating rotating speed between two wind wheels (3) of said paired mounting.
8. axial-flow even wheel symmetry turnover wind energy conversion system according to claim 7, it is characterized in that: said synchronizer is that a horizontal umbrella gear (15) is housed on solid of rotation (2), above the horizontal umbrella gear (15) respectively with about two vertical umbrella gear (16) be meshed, the axostylus axostyle of two vertical umbrella gear (16) stretches out along two support arms (4) respectively and joins by a pair of umbrella gear (17) with the axle head of wind wheel (3).
9. axial-flow even wheel symmetry turnover wind energy conversion system according to claim 1 is characterized in that: be equipped with many to wind wheel (3) on the said frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201141095U CN201615024U (en) | 2010-02-20 | 2010-02-20 | Axial flow even-wheel symmetrically bending type wind machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201141095U CN201615024U (en) | 2010-02-20 | 2010-02-20 | Axial flow even-wheel symmetrically bending type wind machine |
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| Publication Number | Publication Date |
|---|---|
| CN201615024U true CN201615024U (en) | 2010-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201141095U Expired - Lifetime CN201615024U (en) | 2010-02-20 | 2010-02-20 | Axial flow even-wheel symmetrically bending type wind machine |
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| CN (1) | CN201615024U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737248B (en) * | 2010-02-20 | 2012-04-25 | 马军兴 | Wind machine provided with symmetrically-turning axial-flow even wheels |
| CN109667705A (en) * | 2017-10-17 | 2019-04-23 | 三菱重工业株式会社 | Wind power generation plant |
| WO2021249604A1 (en) * | 2020-06-12 | 2021-12-16 | Vestas Wind Systems A/S | Toe angle control for multirotor wind turbines |
-
2010
- 2010-02-20 CN CN2010201141095U patent/CN201615024U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737248B (en) * | 2010-02-20 | 2012-04-25 | 马军兴 | Wind machine provided with symmetrically-turning axial-flow even wheels |
| CN109667705A (en) * | 2017-10-17 | 2019-04-23 | 三菱重工业株式会社 | Wind power generation plant |
| CN109667705B (en) * | 2017-10-17 | 2020-10-30 | 三菱重工业株式会社 | Wind power generator |
| WO2021249604A1 (en) * | 2020-06-12 | 2021-12-16 | Vestas Wind Systems A/S | Toe angle control for multirotor wind turbines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101027 Effective date of abandoning: 20120425 |