CN107465362B - A kind of symmetrical lever wind energy trap setting - Google Patents
A kind of symmetrical lever wind energy trap setting Download PDFInfo
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- CN107465362B CN107465362B CN201710862289.1A CN201710862289A CN107465362B CN 107465362 B CN107465362 B CN 107465362B CN 201710862289 A CN201710862289 A CN 201710862289A CN 107465362 B CN107465362 B CN 107465362B
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000010355 oscillation Effects 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical group [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 238000005138 cryopreservation Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
Abstract
The invention discloses a kind of symmetrical lever wind energy trap setting, which is made of tail vane, pylon, pedestal, bearing block, bracket, wind wheel, shaft, driver plate, shifting block, lever, spring and piezoelectric cantilever.The number of shifting block is three and is arranged circumferentially along driver plate that shifting block two sides respectively pass through a spring and symmetrically connect with driver plate；Lever is arranged symmetrically in shaft two sides, and the length of lever moving arm is less than the length of resistance arm；A series of length different in width mechanical periodicity multistage ladder piezoelectric cantilevers and triangle piezoelectric cantilever are arranged on lever.Under the action of the wind, blade driving driver plate continuously rotates, and the shifting lever of the shifting block interval on driver plate, lever makees reciprocally swinging vibration near the equilbrium position of spring, and then each piezoelectric cantilever on lever generates substantially oscillation crosswise, produces electricl energy.The present invention can vibrate bandwidth, wind collecting is high-efficient, and mechanical structure is simple and easy to spread using the low-frequency vibration under low wind speed environments.
Description
Technical field
The present invention relates to a kind of wind energy trap settings, and in particular to a kind of symmetrical lever wind energy trap setting belongs to wind
Power power generation new energy field.
Background technique
In recent years, environmental pollution and energy shortage become an important problem of puzzlement countries in the world, thus caused ring
Border, which deteriorates, and energy crisis also starts influences the production and living of socio-economic development and people.And utilize wind power generation green ring
Guarantor, reserves are big, cheap, have good development prospect.Wind-power electricity generation is all to drive generator using blade mostly at present
It generates electricity, it is big that there are volumes, and structure is complicated, high production cost, and energy conversion efficiency is more low scarce when small volume
Point.It is produced electricl energy since most of wind-driven generators are all based on electromagnetic induction principle, it is therefore desirable to seek another energy conversion
Form is used on wind power generation plant.
Has the power sources of many power generator now using wind energy, using the direct piezoelectric effect of piezoelectric material by vibration
Mechanical energy is converted into electric energy.But current wind power piezoelectric generation device cannot preferably utilize wind energy and vibrational energy, generated energy
Small, energy conversion efficiency is low, complicated in mechanical structure.104426423 A patent of invention of Publication No. CN discloses a kind of energy receipts
Acquisition means and collection method, it is rotated using wind energy drive shaft, the periodically impact cantilever beam of the protrusion on axis, so as to cause outstanding
Arm beam periodically vibrates, so that the piezoelectric patches deformation on cantilever beam produces electricl energy.But the speed of the Nature apoplexy is continuous
Variation, therefore the invention, in the environment of low wind speed, cantilever beam is not likely to produce vibration, piezoelectric patches can not generate more energy.
And the invention cantilever beam number is limited, although vibration frequency is adjustable, can not generate wideband effect.Publication No. CN
The patent of invention of 106050572 A discloses a kind of broadband wind-induced vibration piezoelectric energy collector, which passes through fan band
Dynamic planetary gear train speedup, then by cam disc by the linear motion of rotary motion slide bar, and then the vibration of piezoelectric cantilever group is driven,
It produces electricl energy.The invention can use the lower wind energy of speed, also widen vibration frequency band, but the transmission ratio mistake of planetary gear train
When big, the staring torque of the transmission device requires big, therefore power generator power generation is invalid when wind speed is too low.In addition its structure is multiple
Miscellaneous, planetary gear train manufacture is more demanding with installation accuracy, and production cost is higher.
This patent overcomes the above patent disadvantage, is dedicated to proposing a kind of suitable for broadband, energy conversion efficiency height and machine
The simple wind energy trap setting of tool structure.
Summary of the invention
The purpose of the present invention is to propose to a kind of frequency band can be widened, energy is improved using the low-frequency vibration under low wind speed environments
Measure transfer efficiency and simple, the easy to spread wind energy trap setting of mechanical structure.
To achieve the above object, the technical solution adopted by the present invention is that a kind of symmetrical lever wind energy trap setting, including
Pylon is equipped with pedestal on pylon, bearing block, bracket, big spring and tail vane is fixed on pedestal.Shaft passes through rolling bearing B
It is mounted on bearing block, a wind wheel is housed on the spindle nose of shaft one end, shaft middle section is equipped with driver plate, is equipped with and dials on driver plate
Block.Fixing axle is installed, lever is mounted in fixing axle by rolling bearing A, and a series of piezoelectricity is arranged on lever on bracket
Cantilever beam.The other end of big spring is mounted on lever.
Power source wind energy is converted to the mechanical movement of shaft continuous rotation by the blade on wind wheel, and the driver plate in shaft will be even
Continuous rotary motion is converted to the movement of the shifting lever of interval, and lever makees reciprocally swinging vibration near the equilbrium position of big spring
Dynamic, under the reciprocally swinging vibration of lever substantially oscillation crosswise occurs for each piezoelectric cantilever on lever, and then keeps piezoelectricity outstanding
Deformation occurs for piezoelectric layer on arm beam, produces electricl energy.The wind wheel of wind energy trap setting can be made windward by being swung with the wind by tail vane
Face face direction of flow always.
Driver plate is connected in shaft by interference fit.
The number of shifting block is three and is circumferentially evenly arranged that shifting block two sides respectively pass through a little spring and driver plate pair on driver plate
Claim ground connection.
Lever is arranged symmetrically in shaft both sides, and the length of lever moving arm is less than the length of resistance arm.
A series of length different in width mechanical periodicity multistage ladder piezoelectric cantilevers are arranged on three sides of lever resistance arm
Beam and triangle piezoelectric cantilever.
Piezoelectric cantilever upper and lower surface is laid with electrode, and is connected to conducting wire on piezoelectric layer and basal layer respectively, each piezoelectricity
Conducting wire on cantilever beam uses parallel way, and the positive and negative polarity wire of each piezoelectric cantilever is finally connected in parallel to energy storage again
Cryopreservation device.
The material of piezoelectric cantilever basal layer is bronze or stainless steel.
The material of piezoelectric layer is piezoelectric ceramics or piezopolymer.
The elastic restoring force of big spring and little spring is appropriate.
Compared with prior art, the invention has the following beneficial effects:
1. the length of the power arm of the used lever of the present invention is less than the length of resistance arm, can make when wind speed is smaller
Significant vibration occurs for lever, sufficiently acquires low velocity wind energy in nature；
2. the shifting block number that the present invention is utilized is three, it can make to be staggered and stir the lever on both sides, it is ensured that any time
Driver plate can be prevented to block when wind speed is lower motionless with shifting lever；The two sides of shifting block respectively pass through a little spring and driver plate pair
Claim ground connection, impact can be reduced in shifting lever；
3. piezoelectric cantilever of the present invention is that a series of length different in width mechanical periodicity multistage Stepped Beams and triangular beam exist
Lever resistance end side surface arrangement, this kind of piezoelectric cantilever energy density is high, has not only widened vibration frequency band, but also increases output electricity
Energy；
4. mechanical structure of the present invention is simple, manufacturing cost is low, easy to spread.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is driver plate component structure diagram in the present invention；
Fig. 3 is piezoelectric cantilever arrangement schematic diagram in the present invention；
Fig. 4 is Piezoelectric Cantilever Beams schematic diagram in the present invention.
In figure: 1- tail vane, 2- lever, 3- fixing axle, 4- rolling bearing A, 5- rolling bearing B, 6- shaft, 7- shifting block, 8-
Driver plate, 9- bearing block, 10- bracket, 11- piezoelectric cantilever, 11.1- basal layer, 11.2- piezoelectric layer, 12- big spring, the bottom 13-
Seat, 14- blade, 15- pylon, 16- block poking pin, 17- spring catch A, 18- little spring, 19- spring catch B, 20- conducting wire.
Specific embodiment
In order to fully understand beneficial effects of the present invention, the present invention is done into one with reference to the accompanying drawings and detailed description
Step describes in detail, and the embodiment is only for explaining the present invention, does not constitute and limits to protection scope of the present invention.
Embodiment: a kind of symmetrical lever wind energy trap setting, composition is such as shown in Figures 1 to 4, including pylon 15, tower
Pedestal 13 is installed on frame 15, bearing block 9, bracket 10, big spring 12 and tail vane 1 are fixed on pedestal 13.Shaft 6 passes through rolling
Dynamic bearing B 5 is mounted on bearing block 9, and a wind wheel is housed on the spindle nose of 6 one end of shaft, and 6 middle section of shaft is equipped with driver plate
8, shifting block 7 is housed on driver plate 8.Fixing axle 3 is installed on bracket 10, lever 2 is mounted in fixing axle 3 by rolling bearing A4,
A series of piezoelectric cantilever 11 is arranged on lever 2.The other end of big spring 12 is connected on lever.
This implementation driver plate 8 is connected in shaft 6 by interference fit.
This number for implementing shifting block 7 on the driver plate 8 is three and to be circumferentially evenly arranged, 7 one side of shifting block on turntable 8
Block poking pin 16 be in clearance fit state, can be rotated around shifting block 16；On the other hand, two sides respectively pass through a little spring 18
It is symmetrically connect with driver plate 8, the both ends of little spring 18 are connect with spring catch A17 and spring catch B19 respectively.
This implementation lever 2 is arranged symmetrically in 6 both sides of shaft, and the length of 2 power arm of lever is less than the length of resistance arm.
This implements to arrange a series of length different in width mechanical periodicity multistage ranks on three sides of 2 resistance arm of lever
Terraced piezoelectric cantilever and triangle piezoelectric cantilever.
This implementation 11 upper and lower surface of piezoelectric cantilever is laid with electrode, and divides on piezoelectric layer 11.2 and basal layer 11.1
It is not connected to conducting wire, the connection of the conducting wire on each piezoelectric cantilever 11 uses parallel way, finally again by each piezoelectric cantilever
Positive and negative polarity wire be connected in parallel to energy accumulating device.
This implements the material of 11 basal layer 11.1 of piezoelectric cantilever as bronze or stainless steel, the material of piezoelectric layer 11.2
For piezoelectric ceramics or piezopolymer.
This implements the big spring 12 and the elastic restoring force of little spring 18 is appropriate.
In the present embodiment, power source wind energy is converted to the mechanical movement of 6 continuous rotation of shaft by the blade 14 on wind wheel,
Continuous rotary motion is converted to the movement of the shifting lever 2 of interval by the driver plate 8 in shaft 6, and lever 2 is in big spring 12
Reciprocally swinging vibration is nearby made in equilbrium position, and each piezoelectric cantilever 11 on lever 2 is issued in the reciprocally swinging vibration of lever 2
Raw substantially oscillation crosswise, and then deformation occurs for the piezoelectric layer for making on piezoelectric cantilever 11, produces electricl energy.It is put with the wind by tail vane 1
The dynamic wind wheel windward side that can make wind energy trap setting face direction of flow always.
In conclusion a kind of symmetrical lever wind energy trap setting of the present invention is compared with common wind energy trap setting, energy
Enough using the low-frequency vibration under low wind speed environments, bandwidth is vibrated, wind collecting is high-efficient, and mechanical structure is simple and is easy to push away
Extensively.
This specific embodiment of the present invention specific embodiment is described in conjunction with attached drawing above, but the present invention does not limit to
In above-mentioned specific embodiment.Any any variation made within thinking and principle of the invention, replacement etc., belong to
Claim protection category of the invention.
Claims (4)
1. a kind of symmetrical lever wind energy trap setting, it is characterised in that: including pylon, pedestal is equipped on pylon, on pedestal
It is fixed with bearing block, bracket, big spring and tail vane, shaft is mounted on bearing block by rolling bearing B, the spindle nose of shaft one end
Upper that a wind wheel is housed, shaft middle section is equipped with driver plate, shifting block is housed on driver plate；Fixing axle is installed, lever is logical on bracket
It crosses rolling bearing A to be mounted in fixing axle, a series of piezoelectric cantilever is arranged on lever；The other end of big spring is mounted on thick stick
On bar；
Power source wind energy is converted to the mechanical movement of shaft continuous rotation by the blade on wind wheel, and the shifting block in shaft will be continuous
Rotary motion is converted to the movement of the shifting lever of interval, and lever makees reciprocally swinging vibration near the equilbrium position of big spring,
Under the reciprocally swinging vibration of lever substantially oscillation crosswise occurs for each piezoelectric cantilever on lever, and then makes piezoelectric cantilever
On piezoelectric layer deformation occurs, produce electricl energy；Being swung with the wind by tail vane can make the wind wheel windward side of wind energy trap setting begin
Whole face direction of flow；
Driver plate is connected in shaft by interference fit；
The number of shifting block is three and is circumferentially evenly arranged that shifting block two sides respectively pass through a little spring and driver plate symmetrically on driver plate
Connection；
Lever is arranged symmetrically in shaft both sides, and the length of lever moving arm is less than the length of resistance arm；
Arranged on three sides of lever resistance arm a series of length different in width mechanical periodicity multistage ladder piezoelectric cantilevers and
Triangle piezoelectric cantilever.
2. a kind of symmetrical lever wind energy trap setting according to claim 1, it is characterised in that: above and below piezoelectric cantilever
Surface is laid with electrode, and is connected to conducting wire on piezoelectric layer and basal layer respectively, and the conducting wire on each piezoelectric cantilever is using in parallel
The positive and negative polarity wire of each piezoelectric cantilever is finally connected in parallel to energy accumulating device again by mode.
3. a kind of symmetrical lever wind energy trap setting according to claim 1, it is characterised in that: piezoelectric cantilever basis
The material of layer is bronze or stainless steel, and the material of piezoelectric layer is piezoelectric ceramics or piezopolymer.
4. a kind of symmetrical lever wind energy trap setting according to claim 1, it is characterised in that: big spring and little spring
Elastic restoring force it is appropriate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710862289.1A CN107465362B (en) | 2017-09-21 | 2017-09-21 | A kind of symmetrical lever wind energy trap setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710862289.1A CN107465362B (en) | 2017-09-21 | 2017-09-21 | A kind of symmetrical lever wind energy trap setting |
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| Publication Number | Publication Date |
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| CN107465362A CN107465362A (en) | 2017-12-12 |
| CN107465362B true CN107465362B (en) | 2019-02-26 |
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| CN109474203B (en) * | 2018-11-17 | 2020-04-03 | 沈阳工业大学 | Magnetostrictive film type vibration collecting and generating device capable of converting multi-impact low frequency into high frequency |
| CN111082703B (en) * | 2020-01-08 | 2023-07-25 | 哈尔滨工程大学 | Lamp buoy power supply device and lamp buoy with same |
| CN111884542B (en) * | 2020-08-07 | 2022-06-21 | 山东理工大学 | Wind power piezoelectric power generation device based on full wind direction vortex-induced vibration |
| CN112610414B (en) * | 2020-12-15 | 2022-01-21 | 湖南麓邵技术服务有限公司 | New forms of energy electric power economizer |
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|---|---|---|---|---|
| CN103956935A (en) * | 2014-04-24 | 2014-07-30 | 南京航空航天大学 | Piezoelectric power generation device and power generation method thereof |
| CN204041356U (en) * | 2014-09-17 | 2014-12-24 | 扬州大学 | Forced vibration formula wind generating unit |
| CN106050570A (en) * | 2016-06-04 | 2016-10-26 | 上海大学 | Wind energy collector based on flexible polymer piezoelectric material |
| CN106050572A (en) * | 2016-07-16 | 2016-10-26 | 北京工业大学 | Broadband wind-induced vibration piezoelectric energy collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8294336B2 (en) * | 2005-10-18 | 2012-10-23 | Board Of Regents, The University Of Texas Systems | Piezoelectric windmill apparatus |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956935A (en) * | 2014-04-24 | 2014-07-30 | 南京航空航天大学 | Piezoelectric power generation device and power generation method thereof |
| CN204041356U (en) * | 2014-09-17 | 2014-12-24 | 扬州大学 | Forced vibration formula wind generating unit |
| CN106050570A (en) * | 2016-06-04 | 2016-10-26 | 上海大学 | Wind energy collector based on flexible polymer piezoelectric material |
| CN106050572A (en) * | 2016-07-16 | 2016-10-26 | 北京工业大学 | Broadband wind-induced vibration piezoelectric energy collector |
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