CN109505735A - A kind of wind-force piezoelectric generator - Google Patents
A kind of wind-force piezoelectric generator Download PDFInfo
- Publication number
- CN109505735A CN109505735A CN201811626813.6A CN201811626813A CN109505735A CN 109505735 A CN109505735 A CN 109505735A CN 201811626813 A CN201811626813 A CN 201811626813A CN 109505735 A CN109505735 A CN 109505735A
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- Prior art keywords
- support ring
- motion bar
- sealing space
- driven
- piezoelectric
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 20
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- 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
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a kind of wind-force piezoelectric generators, include shell, positioned at the intracorporal sealing space of shell, it is vertically arranged in shell upper end and protrudes into the driving shaft in sealing space, blade on driving shaft is set, it is horizontally set on the driven shaft in sealing space and being fixed by the bracket, connect the dynamic bevel gear of driving shaft and driven shaft, it is fixed on the fixed link of sealing space bottom vertically, the motion bar being set in fixed link, reciprocator on driven shaft for driving motion bar to move up and down is set, the upper support ring of motion bar upper end is set, the lower support ring of fixed link lower end is set, more both ends are separately positioned on the piezoelectric patches in support ring and lower support ring；The present invention is under wind energy, it can drive reciprocator that motion bar is driven to move up and down by blade, be deformed piezoelectric patches, to inspire electric energy, and have many advantages, such as structure it is simple, it is small in size, be easy to make, staring torque is low, the service life is high, convenient for micromation.
Description
Technical field
The present invention relates to new energy fields, refer in particular to a kind of wind-force piezoelectric generator.
Background technique
There are various green energy resources in nature, wherein wind energy due to its rich reserves, cleaning, safety, distribution it is wide, and it is standby
It is concerned；The form of wind energy conversion mainly has electromagnetic type, electrostatic and piezoelectric type, and wherein piezoelectric type is since structure is simple, volume
Small, pollution-free, energy density is big, is easy to make, is at low cost, is easier to realize integrated and micromation, can meet the needs of micro element.
It in the wind-driven generator developed at present, mostly uses windmill to drive greatly, passes through indirect excitation component (plectrum, double wedge
Or steel ball, magnet) excite piezoelectric vibrator movement to power generation；But it since involved intermediate member is relatively more, not only deposits
In serious frictional dissipation, noise can be also generated, needs biggish staring torque；Especially when the size of generator is smaller, cause
The processing and assembly of component are more complicated, and frictional dissipation proportion is bigger, and accessory abrasion is also more serious.It is formed when using magnet
When non-contact type motivates, though improving generating efficiency and adaptability to a certain extent, staring torque, rotary part are reduced
Between or unavoidable frictional dissipation and potential faults, and the volume of power generator can not be effectively reduced；In addition, this kind of charming appearance and behaviour
Piezoelectric generator only exists an optimal excitation frequency and matches with intrinsic frequency, and efficient working range is relatively narrow；Therefore, such charming appearance and behaviour
Structure is complicated for piezoelectric generator, and staring torque is big, and wind energy utilization is low, and the service life is short, narrow bandwidth, and does not utilize micromation.
Summary of the invention
There is provided the invention aims to overcome the deficiencies in the prior art a kind of structure it is simple, it is small in size, be easy to make,
Staring torque is low, the service life is high and the wind-force piezoelectric generator convenient for being miniaturized.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of wind-force piezoelectric generator, include shell, position
In the intracorporal sealing space of shell, it is vertically arranged in shell upper end and driving shaft in sealing space, setting are protruded into actively in lower end
The blade of axis upper end, is horizontally set in sealing space and is fixed by the bracket the drive bevel gear that driving shaft lower end is arranged in
Driven shaft, driven shaft one end is set and is engaged with drive bevel gear driven wheel of differential, be fixed on sealing space bottom vertically
The fixed link in portion, be set in fixed link and can along motion bar that fixed link slides up and down, be arranged and be used in the driven shaft other end
Driving motion bar move up and down reciprocator, motion bar upper end is set upper support ring, be arranged under fixed link lower end
Support ring, more both ends are separately positioned on the piezoelectric patches circumferentially placed in support ring and lower support ring and uniformly, setting exists
Battery in sealing space；The upper support ring and lower support ring are connect with the positive and negative anodes of battery by conducting wire respectively；Institute
The junction of the junction and driven shaft and bracket of stating driving shaft and shell is provided with bearing.
Preferably, the reciprocator includes the eccentric wheel that the driven shaft other end is arranged in, is arranged in eccentric wheel edge
And the connecting rod that the support rod that is placed in parallel with driven shaft, both ends are connect with support rod and motion bar top movable respectively.
Preferably, the reciprocator includes the grooved cam that the driven shaft other end is arranged in, is arranged in grooved cam table
Face and end to end T shape sliding slot；The idler wheel being placed in T shape sliding slot is provided at the top of the motion bar.
Preferably, the piezoelectric patches is made of base material and piezoelectric material；The base material is with higher elasticity
Metal or PV material；The piezoelectric material is PVDF piezoelectric membrane.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
Wind-force piezoelectric generator of the present invention can drive reciprocator to drive by blade under wind energy
Motion bar moves up and down, and is deformed piezoelectric patches, to inspire electric energy, and portable construction, adaptive ability is strong, effectively
Ground reduces threshold wind velocity, has widened wind speed working range, improves efficiency of energy collection, and utilize micromation.
Detailed description of the invention
Technical scheme of the present invention is further explained with reference to the accompanying drawing:
Attached drawing 1 is the schematic diagram of the first structure of wind-force piezoelectric generator of the present invention；
Attached drawing 2 is the schematic diagram of second of structure of wind-force piezoelectric generator of the present invention；
Attached drawing 3 is the schematic diagram of piezoelectric patches deformation state in Fig. 2；
Attached drawing 4 is the cross-sectional view of grooved cam in the present invention.
Wherein: 1, shell；2, battery；3, sealing space；4, conducting wire；5, driven wheel of differential；6, drive bevel gear；7, leaf
Piece；8, driving shaft；9, bracket；10, driven shaft 10；11a, eccentric wheel；12a, support rod；13a, connecting rod；11b, grooved cam；
12b, T shape sliding slot；13b, idler wheel；14, upper support ring；15, motion bar；16, piezoelectric patches；17, fixed link；18, lower support ring；
19, bearing.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
Embodiment one:
Attached drawing 1 is wind-force piezoelectric generator of the present invention, sealing space 3 comprising shell 1, in shell 1,
It is vertically arranged in the driving shaft 8 protruded into sealing space 3 in 1 upper end of shell and lower end, the blade 7 that 8 upper end of driving shaft is set, sets
Set 8 lower end of driving shaft drive bevel gear 6, be horizontally set in sealing space 3 and by the fixed driven shaft 10 of bracket 9,
10 one end of driven shaft is set and engaged with drive bevel gear 6 driven wheel of differential 5, be fixed on 3 bottom of sealing space vertically
Fixed link 17 is set in fixed link 17 and can be another in driven shaft 10 along motion bar 15 that fixed link 17 slides up and down, setting
Hold reciprocator for driving motion bar 15 to move up and down, upper support ring 14 that 15 upper end of motion bar is arranged in, setting is solid
The lower support ring 18 of 17 lower end of fixed pole, more both ends be separately positioned in support ring 14 and lower support ring 18 and circumferentially uniformly
The piezoelectric patches 16 of placement, the battery 2 being arranged in sealing space 3；The upper support ring 14 and lower support ring 18 respectively with storage
The positive and negative anodes of battery 2 are connected by conducting wire 4；The driving shaft 8 and the junction of shell 1 and the company of driven shaft 10 and bracket 9
The place of connecing is provided with bearing 19；The reciprocator includes the eccentric wheel 11a that 10 other end of driven shaft is arranged in, is arranged in bias
The wheel edge 11a and the support rod 12a being placed in parallel with driven shaft 10, both ends are respectively and support rod 12a and the top of motion bar 15
The connecting rod 13a of flexible connection；When work, under wind energy, drive bevel gear 6 can be driven to drive by blade 7 driven
Bevel gear 5 rotates, to make eccentric wheel 11a drive connection bar 13a that motion bar 15 be driven to move up and down, generates piezoelectric patches 16
Deformation, so that electric energy is inspired, in storage to battery 2.
Further, the piezoelectric patches 16 is made of base material and piezoelectric material；The base material is with more high-elastic
The metal or PV material of property；The piezoelectric material is PVDF piezoelectric membrane, has light-weight, small, the flexible, stability of distortion
High, mechanical strength is suitable for, is not susceptible to the advantages that being broken fatigue, can effectively improve the transformation efficiency of energy, and improve using the longevity
Life.
Embodiment two:
Attached drawing 2-4 is wind-force piezoelectric generator of the present invention, sealing space 3 comprising shell 1, in shell 1,
Be vertically arranged in the driving shaft 8 protruded into sealing space 3 in 1 upper end of shell and lower end, the blade 7 that 8 upper end of driving shaft is set,
The driven shaft that the drive bevel gear 6 of 8 lower end of driving shaft is set, is horizontally set in sealing space 3 and is fixed by bracket 9
10,10 one end of driven shaft is set and engaged with drive bevel gear 6 driven wheel of differential 5, be fixed on 3 bottom of sealing space vertically
Fixed link 17, be set in fixed link 17 and can be another in driven shaft 10 along motion bar 15 that fixed link 17 slides up and down, setting
One end be used for drive motion bar 15 to move up and down reciprocator, 15 upper end of motion bar is set upper support ring 14, setting exist
The lower support ring 18 of 17 lower end of fixed link, more both ends be separately positioned in support ring 14 and lower support ring 18 and circumferentially
The piezoelectric patches 16 of even placement, the battery 2 being arranged in sealing space 3；The upper support ring 14 and lower support ring 18 respectively with
The positive and negative anodes of battery 2 are connected by conducting wire 4；The driving shaft 8 and the junction of shell 1 and driven shaft 10 and bracket 9
Junction is provided with bearing 19；The reciprocator include the grooved cam 11b that 10 other end of driven shaft is set, setting exist
The surface grooved cam 11b and end to end T shape sliding slot 12b；The top of the motion bar 15, which is provided with, is placed in T shape sliding slot 12b
Interior idler wheel 13b；When work, under wind energy, drive bevel gear 6 can be driven to drive 5 turns of driven wheel of differential by blade 7
It is dynamic, to make grooved cam 11b driving idler wheel 13b that motion bar 15 be driven to move up and down, it is deformed piezoelectric patches 16, thus
Electric energy is inspired, storage is arrived in battery 2.
Further, the piezoelectric patches 16 is made of base material and piezoelectric material；The base material is with more high-elastic
The metal or PV material of property；The piezoelectric material is PVDF piezoelectric membrane, has light-weight, small, the flexible, stability of distortion
High, mechanical strength is suitable for, is not susceptible to the advantages that being broken fatigue, can effectively improve the transformation efficiency of energy, and improve using the longevity
Life.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
Wind-force piezoelectric generator of the present invention can drive reciprocator to drive by blade under wind energy
Motion bar moves up and down, and is deformed piezoelectric patches, to inspire electric energy, and portable construction, adaptive ability is strong, effectively
Ground reduces threshold wind velocity, has widened wind speed working range, improves efficiency of energy collection, and utilize micromation.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (4)
1. a kind of wind-force piezoelectric generator, it is characterised in that: comprising shell, positioned at the intracorporal sealing space of shell, be vertically arranged in
Driving shaft that shell upper end and lower end are protruded into sealing space, is arranged in driving shaft lower end the blade that driving shaft upper end is arranged in
Drive bevel gear, be horizontally set in sealing space and be fixed by the bracket driven shaft, setting driven shaft one end and with
The driven wheel of differential of drive bevel gear engagement is fixed on the fixed link of sealing space bottom vertically, is set in fixed link and can
The motion bar that is slided up and down along fixed link, be arranged in reciprocator of the driven shaft other end for driving motion bar to move up and down,
The upper support ring of motion bar upper end is set, the lower support ring that fixed link lower end is arranged in, more both ends are separately positioned on branch
On pushing out ring and lower support ring and the piezoelectric patches circumferentially uniformly placed, the battery being arranged in sealing space；The upper support
Ring and lower support ring are connect with the positive and negative anodes of battery by conducting wire respectively；The junction of the driving shaft and shell and driven
The junction of axis and bracket is provided with bearing.
2. wind-force piezoelectric generator according to claim 1, it is characterised in that: the reciprocator includes being arranged driven
The eccentric wheel of the axis other end, the support rod that eccentric wheel edge is set and is placed in parallel with driven shaft, both ends respectively with support
The connecting rod that bar is connected with motion bar top movable.
3. wind-force piezoelectric generator according to claim 1, it is characterised in that: the reciprocator includes being arranged driven
The grooved cam of the axis other end is arranged in grooved cam surface and end to end T shape sliding slot；The top of the motion bar is arranged
There is the idler wheel being placed in T shape sliding slot.
4. wind-force piezoelectric generator according to claim 1 to 3, it is characterised in that: the piezoelectric patches is by base
Material and piezoelectric material composition；The base material is metal or PV material with higher elasticity；The piezoelectric material is
PVDF piezoelectric membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626813.6A CN109505735A (en) | 2018-12-28 | 2018-12-28 | A kind of wind-force piezoelectric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626813.6A CN109505735A (en) | 2018-12-28 | 2018-12-28 | A kind of wind-force piezoelectric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505735A true CN109505735A (en) | 2019-03-22 |
Family
ID=65755686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811626813.6A Pending CN109505735A (en) | 2018-12-28 | 2018-12-28 | A kind of wind-force piezoelectric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505735A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993900A (en) * | 2020-09-03 | 2020-11-27 | 云南夏远新能源发展有限责任公司 | New energy automobile charging device |
| CN112187106A (en) * | 2020-11-15 | 2021-01-05 | 浙江师范大学 | Equal-radiation excitation rotary energy harvester |
| CN112202360A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Piezoelectric power generation device based on water flow excitation effect |
| CN112332702A (en) * | 2020-11-15 | 2021-02-05 | 浙江师范大学 | Suspended rotary generator |
| CN114268244A (en) * | 2021-12-28 | 2022-04-01 | 吉林大学 | Self-generating remote controller based on piezoelectric effect |
| CN116961469A (en) * | 2023-07-12 | 2023-10-27 | 北京林业大学 | High-efficiency piezoelectric wind energy generator and power generation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB630137A (en) * | 1946-09-05 | 1949-10-06 | Alfred George Langdon | Improvements in or relating to a combined clutch and reverse gear for internal combustion engines |
| GB728908A (en) * | 1952-03-07 | 1955-04-27 | Alfred George Langdon | Improvements in or relating to reverse gears |
| CN101594073A (en) * | 2009-04-21 | 2009-12-02 | 吴速 | Utilize the system of wind energy drive piezoelectric material generating |
| KR101027055B1 (en) * | 2009-12-30 | 2011-04-11 | 윤진목 | Wind power generator |
| CN102820807A (en) * | 2012-09-01 | 2012-12-12 | 浙江师范大学 | High-power rotary type piezoelectric wind driven generator excited and limited by end cam |
| CN104018991A (en) * | 2014-05-26 | 2014-09-03 | 无锡中能晶科新能源科技有限公司 | Piezoelectric ceramic wind driven generator |
| 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 |
| CN107605663A (en) * | 2017-08-28 | 2018-01-19 | 北京工业大学 | A kind of broadband wind-induced vibration piezoelectric generating device |
| CN108998350A (en) * | 2018-08-22 | 2018-12-14 | 郑州丽福爱生物技术有限公司 | A kind of microbial fermentation agitating device |
-
2018
- 2018-12-28 CN CN201811626813.6A patent/CN109505735A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB630137A (en) * | 1946-09-05 | 1949-10-06 | Alfred George Langdon | Improvements in or relating to a combined clutch and reverse gear for internal combustion engines |
| GB728908A (en) * | 1952-03-07 | 1955-04-27 | Alfred George Langdon | Improvements in or relating to reverse gears |
| CN101594073A (en) * | 2009-04-21 | 2009-12-02 | 吴速 | Utilize the system of wind energy drive piezoelectric material generating |
| KR101027055B1 (en) * | 2009-12-30 | 2011-04-11 | 윤진목 | Wind power generator |
| CN102820807A (en) * | 2012-09-01 | 2012-12-12 | 浙江师范大学 | High-power rotary type piezoelectric wind driven generator excited and limited by end cam |
| CN104018991A (en) * | 2014-05-26 | 2014-09-03 | 无锡中能晶科新能源科技有限公司 | Piezoelectric ceramic wind driven generator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993900A (en) * | 2020-09-03 | 2020-11-27 | 云南夏远新能源发展有限责任公司 | New energy automobile charging device |
| CN112202360A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Piezoelectric power generation device based on water flow excitation effect |
| CN112187106A (en) * | 2020-11-15 | 2021-01-05 | 浙江师范大学 | Equal-radiation excitation rotary energy harvester |
| CN112332702A (en) * | 2020-11-15 | 2021-02-05 | 浙江师范大学 | Suspended rotary generator |
| CN112332702B (en) * | 2020-11-15 | 2021-10-29 | 浙江师范大学 | Suspended rotary generator |
| CN114268244A (en) * | 2021-12-28 | 2022-04-01 | 吉林大学 | Self-generating remote controller based on piezoelectric effect |
| CN114268244B (en) * | 2021-12-28 | 2024-02-06 | 吉林大学 | Self-generating remote controller based on piezoelectric effect |
| CN116961469A (en) * | 2023-07-12 | 2023-10-27 | 北京林业大学 | High-efficiency piezoelectric wind energy generator and power generation method |
| CN116961469B (en) * | 2023-07-12 | 2024-05-28 | 北京林业大学 | High-efficiency piezoelectric wind energy generator and power generation method |
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Application publication date: 20190322 |
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