CN106849495A - A kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device - Google Patents
A kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device Download PDFInfo
- Publication number
- CN106849495A CN106849495A CN201710184095.0A CN201710184095A CN106849495A CN 106849495 A CN106849495 A CN 106849495A CN 201710184095 A CN201710184095 A CN 201710184095A CN 106849495 A CN106849495 A CN 106849495A
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- Prior art keywords
- crank
- sliding block
- chute
- chassis
- magnet piece
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 230000005284 excitation Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
- H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
-
- 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
Abstract
The present invention relates to a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device.Including chassis, crank connecting rod sliding block mechanism, rotation input mechanism and electromagnetism piezoelectric device.The one side on chassis is provided with the chute of radial more than four, and one end of the chute of more than four converges in the center on chassis；Crank connecting rod sliding block mechanism includes crank, the connecting rod and sliding block of more than four, and sliding block corresponds to be located in the chute of more than four respectively；Rotation input mechanism is located at the another side on chassis, and rotation input mechanism is quality swing-bar mechanism or rotating wheel mechanisms that；Electromagnetism piezoelectric device is including the piezoelectric bimorph beam mechanism of more than four, more than four pieces of magnet piece and is distributed on the every coil of chute both sides.In the presence of dynamic excitation, rotation input mechanism drives magnet piece moving back and forth in chute, makes to produce induced-current to export on multiturn coil；On the other hand, there is significantly vibration and flexural deformation and produce electric charge to export in piezoelectric bimorph beam mechanism.
Description
Technical field
The invention belongs to technical field of energy recovery, it is related to electromagnetism Piezoelectric anisotropy energy conversion technique, and in particular to a kind of
Crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device.
Background technology
The modernization of World Economics, has benefited from fossil energy, such as extensive use of oil, natural gas, coal, thus it
The one kind being built upon on fossil energy basis is economical.It is a large amount of to increase carbon emission amount, aggravation greenhouse effect using fossil energy
Should.Meanwhile, fossil energy, once interrupting, will cause the aggravation of world crisis and conflict with raw material chain, and cause energy
The outburst of source crisis.In today that energy shortage is on the rise, substituting traditional fossil energy with clean reproducible energy has
Very important meaning.
Energy collection technology can collect the clean reproducible energies such as the water energy in environment, wind energy, vibrational energy, lead to
Cross energy collecting device to be converted into electric energy output and store, with great researching value and good development prospect.Energy is received
The main method of collection is, using effects such as electrostatic, electromagnetism, piezoelectricity, the water energy in environment, wind energy, vibrational energy etc. to be converted into electricity
Energy.Such as a kind of piezoelectric-electrcombinedc combinedc broad band low frequency energy accumulator, the device is pasted with the piezoelectric bimorph of magnet piece by an end
Beam and two multiturn coil compositions.In vibration processes, the piezoelectric element of piezoelectric bimorph beam upper and lower surface is stressed and strains
Effect electric charge can be produced to export.Meanwhile, piezoelectric bimorph beam vibration causes that the magnet piece of its end is sent out with the multiturn coil on both sides
Raw relative motion, so that producing induced-current in coil.Although the structure employs electromagnetism, piezoelectricity double effect and carries out simultaneously
Generate electricity；But, piezoelectric bimorph beam relies primarily on the vibrational excitation in external environment to produce vibration, only when the vibration in environment
Driving frequency could be produced when being close with piezoelectric bimorph beam itself intrinsic frequency significantly to be vibrated, and the vibration in natural environment is past
Extremely limited, the deformation of piezoelectric element toward the random vibration for being low frequency, therefore piezoelectric bimorph vibration of beam amplitude in the device
Also less, piezo-electric effect is weaker for amount.The relative displacement of magnet piece and the both sides multiturn coil of piezoelectric bimorph beam end simultaneously also compared with
Small, magnetic flux change is not obvious, and Electromagnetic generation efficiency is relatively low.Therefore design a kind of to vibrational excitation frequency dependence in environment
The electromagnetism Piezoelectric anisotropy energy collecting device that relative motion is obvious, variation rate of magnetic flux is big of small, coil and magnet has larger
Meaning and researching value.
The content of the invention
In order to make up, common electromagnetism Piezoelectric anisotropy energy collecting device range of application is small, working band is narrow, environment is adapted to
Property the low defect of poor, generating efficiency, the present invention provides a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device.
A kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device includes chassis 1, crank connecting rod sliding block mechanism, rotation
Input mechanism and electromagnetism piezoelectric device；
The one side on the chassis 1 is provided with the chute of radial more than four, and one end of the chute of more than four is converged
At the center on chassis 1；
The crank connecting rod sliding block mechanism includes the connecting rod 6 and more than four pieces of sliding block 7 of more than 5, four, crank, more than four
One end of connecting rod 6 corresponds to rotation and is connected to one piece of sliding block 7 respectively, and the other end of the connecting rod 6 of more than four rotates be connected to respectively
One end of crank 5, the other end of crank 5 is connected to one end of rotating shaft 3；More than four pieces of sliding block 7 respectively correspond to be located at four with
On chute in；
The rotation input mechanism is located at the another side on chassis 1, rotates input mechanism for quality swing-bar mechanism or rotating wheel mechanisms that,
And be connected with the other end of rotating shaft 3；
The electromagnetism piezoelectric device is including the piezoelectric bimorph beam mechanism of more than four, more than four pieces of magnet piece 8 and is distributed on every
The coil 10 of bar chute both sides；Each piezoelectric bimorph beam mechanism includes at least one pair of piezoelectric bimorph beam, one end of piezoelectric bimorph beam
Correspond to and be connected to the circumference on chassis 1, and on chassis 1 between adjacent two chutes, the other end point of piezoelectric bimorph beam
Cantilever magnet piece 9 is not connected to；More than four pieces of magnet piece 8 is respectively correspondingly arranged on more than four pieces of sliding block 7；Every chute two
Insulating materials is provided between side and the uniform coil 10 of correspondence；
During work, in the presence of dynamic excitation, rotation input mechanism rotates and drives crank 5 to rotate, and realizes the band of sliding block 7
The moving back and forth in chute of magnet piece 8, the multiturn coil 10 of chute both sides experiences the change of magnetic flux and produces sensing
Electric current, electric current is drawn by wire；On the other hand, piezoelectric bimorph can also be attracted in reciprocating movement of the sliding block 7 in chute
Cantilever magnet piece 9 on beam 4, under the double action that the attraction suffered by cantilever magnet piece 9 and ambient vibration are encouraged, piezoelectricity is double
Brilliant beam 4 occurs significantly to vibrate and flexural deformation and produces electric charge to export.
The technical scheme for further limiting is as follows：
The center of the chassis 1 is provided with the beam barrel coordinated with the rotating shaft；The excircle on chassis 1 is provided with frame, piezoelectric bimorph beam
One end corresponds to the frame for being connected to chassis 1.
The material of the chassis 1 and chute is copper or aluminium.
The quality swing-bar mechanism is made up of swing rod 2 and mass 21, and the lower end of swing rod 2 is fixedly connected mass 21,
The upper end of swing rod 2 is connected to the other end of crank 5 by rotating shaft 3.
The rotating wheel mechanisms that includes cutting and hitting formula water wheels 11, cuts and hits formula water wheels 11 and be connected to the another of crank 5 by rotating shaft 3
End.
The material of the crank 5, connecting rod 6 and sliding block 7 is copper or aluminium.
The sliding block 7 is tubulose, and the magnet piece 8 is fixed in tubular slider 7.
The direction of magnetization of the magnet piece 8 perpendicular to the sliding block 7 glide direction, and parallel to the coil of chute both sides
10 axis direction.
The material of the magnet piece 8 and cantilever magnet piece 9 is Nd-Fe-B permanent magnet.
Advantageous Effects of the invention embody in the following areas：
1st, the present invention is practical, and embodiments thereof has diversity, has wide range of applications, and both can be used in collection environment
Vibrational energy, it is also possible to for collecting fluid dynamic energy.Can be microsensor, channel radio by collecting the vibrational energy in environment
The microelectronic component energy supply of the low-power consumption such as news device；By collecting water flow dynamic energy, can be set for submarine navigation device, oceanographic buoy etc.
Energy is filled in the next choice；The auxiliary generating plant of wind power plant is also used as, the wind power generation efficiency in low wind season is effectively improved.
2nd, the present invention is a kind of electromagnetism Piezoelectric anisotropy energy collecting device, with two kinds of electromagnetic induction phenomenon and piezo-electric effect
Energy transfer mechanism, many piezoelectric bimorph beams and multigroup induction coil work simultaneously, and space structure utilization rate is higher, energy acquisition
Efficiency can also be effectively improved.
3rd, present invention uses crank connecting rod sliding block mechanism, by by the flow transition of extraneous vibration or fluid into crank
Rotation, and then realize that multiple sliding blocks and magnet are reciprocatingly slided simultaneously, relative displacement of the magnet with coil and relative velocity
It is all larger, the variation rate of magnetic flux of multiturn coil array can be effectively improved.Piezoelectric bimorph beam vibration is driven by attraction, can
Effectively mitigate piezoelectric bimorph beam to external world in environment vibrational excitation dependence, improve the amplitude and piezoelectric element of piezoelectric bimorph beam
Deflection, even if still can have efficiency of energy collection higher when vibrational excitation frequency is relatively low in the environment.
Brief description of the drawings
Fig. 1 is structure front schematic view of the present invention.
Fig. 2 is structured rear surface schematic diagram of the present invention.
Fig. 3 is chassis and electromagnetism piezoelectric device schematic diagram.
Fig. 4 is crank connecting rod sliding block mechanism and quality swing-bar mechanism fit structure schematic diagram.
Fig. 5 is the partial view of Fig. 4.
Fig. 6 is crank connecting rod sliding block mechanism and chute mated condition figure.
Fig. 7 is rotating wheel mechanisms that and chassis fit structure schematic diagram.
Fig. 8 is crank connecting link and rotating wheel mechanisms that fit structure schematic diagram.
Fig. 9 is the partial view of Fig. 8.
Figure 10 is chassis and the crank connecting rod sliding block mechanism cooperation schematic diagram of five chutes.
Figure 11 is five chassis structure schematic diagrames of chute.
Sequence number in upper figure：Chassis 1, swing rod 2, mass 21, rotating shaft 3, piezoelectric bimorph beam 4, crank 5, connecting rod 6, sliding block 7,
Magnet piece 8, cantilever magnet piece 9, coil 10, cut and hit formula water wheels 11.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is further described by embodiment.
Embodiment 1
Referring to Fig. 1 and Fig. 2, a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device includes chassis 1, crank connecting rod sliding block
Mechanism, rotation input mechanism and electromagnetism piezoelectric device.
Referring to Fig. 3, the one side on chassis 1 is provided with radial four chutes, and one end of four chutes converges in bottom
The center of disk 1.The chassis 1 center is axially arranged with beam barrel；The excircle on chassis 1 is provided with frame.Chassis and the material of chute
It is aluminium.
Referring to Fig. 4 and Fig. 6, crank connecting rod sliding block mechanism includes 5, four connecting rods 6 of crank and four pieces of sliding blocks 7.Four connecting rods 6
One end respectively correspond to rotation be connected to one piece of sliding block 7, four other ends of connecting rod 6 rotate the one end for being connected to crank 5 respectively,
The other end of crank 5 is provided with rotating shaft；Four pieces of sliding blocks 7 correspond to be located in four chutes respectively.Crank 5, connecting rod 6 and sliding block 7
Material is aluminium.
Referring to Fig. 5, rotation input mechanism is located at the another side on chassis 1, and rotation input mechanism is quality swing-bar mechanism, matter
Amount swing-bar mechanism is made up of swing rod 2 and mass 21, and the lower end of swing rod 2 is fixedly connected mass 21, and the upper end of swing rod 2 passes through
Rotating shaft 3 is connected to the other end of crank 5.
Referring to Fig. 1 and Fig. 3, electromagnetism piezoelectric device includes four piezoelectric bimorph beam mechanisms, four pieces of magnet pieces 8 and is distributed on every
The coil 10 of bar chute both sides；Each piezoelectric bimorph beam mechanism includes a pair of piezoelectric bimorph beams 4, and one end of piezoelectric bimorph beam 4 is equal
Correspondence is connected to the frame of the circumference of chassis 1, and on chassis 1 between adjacent two chutes, the other end of piezoelectric bimorph beam 4
Respectively connected cantilever magnet piece 9；Four pieces of magnet pieces 8 correspond to four pieces of sliding blocks 7 respectively, and sliding block 7 is tubulose, and magnet piece 8 is fixed
It is installed in tubular slider 7.The direction of magnetization of magnet piece 8 perpendicular to sliding block 7 glide direction, and parallel to the line of chute both sides
The axis direction of circle 10.Insulating materials is installed between every chute both sides and the uniform coil 10 of correspondence.Magnet piece 8 and cantilever
The material of magnet piece 9 is Nd-Fe-B permanent magnet.
During work, in the presence of dynamic excitation, the rotating shaft 3 that swings by of swing rod 2 drives crank 5 to rotate, and realizes sliding block 7
With the moving back and forth in chute of magnet piece 8, the multiturn coil 10 of chute both sides experiences the change of magnetic flux and produces sense
Induced current, electric current is drawn by wire；On the other hand, can also attract piezoelectricity double in reciprocating movement of the sliding block 7 in chute
Cantilever magnet piece 9 on brilliant beam 4, under the double action that the attraction suffered by cantilever magnet piece 9 and ambient vibration are encouraged, piezoelectricity
Twin crystal beam 4 occurs significantly to vibrate and flexural deformation and produces electric charge to export.
Embodiment 2
Referring to Fig. 7, Fig. 8 and Fig. 9, rotation input mechanism is rotating wheel mechanisms that, and rotating wheel mechanisms that includes cutting hitting formula water wheels 11, cuts and hit formula water
Wheel 11 is connected to the other end of crank 5 by rotating shaft 3.
Other structures are with embodiment 1.
During work, when have fluid from cut hit the side of formula water wheels 11 and flow through when, cut and hit the rotation of formula water wheels 11 and pass through the band of rotating shaft 3
Dynamic crank 5 is rotated, and other operation principles are with embodiment 1.
Embodiment 3
Referring to Figure 10 and Figure 11, the one side on chassis 1 is provided with radial five chutes；Crank connecting rod sliding block mechanism includes
5, five connecting rods 6 of crank and five pieces of sliding blocks 7.
Other structures are with embodiment 1.
Operation principle is with embodiment 1.
Claims (9)
1. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device, it is characterised in that：Including chassis, crank connecting rod sliding block
Mechanism, rotation input mechanism and electromagnetism piezoelectric device；
The one side on the chassis is provided with the chute of radial more than four, and one end of the chute of more than four converges in
The center on chassis；
The crank connecting rod sliding block mechanism includes crank, the connecting rod of more than four and more than four pieces of sliding block, the company of more than four
One end of bar corresponds to rotation and is connected to one piece of sliding block respectively, and the other end of the connecting rod of more than four rotates be connected to crank respectively
One end, the other end of crank is connected to one end of rotating shaft；More than four pieces of sliding block corresponds to be located in the chute of more than four respectively；
The rotation input mechanism is located at the another side on chassis, rotates input mechanism for quality swing-bar mechanism or rotating wheel mechanisms that,
And be connected with the other end of rotating shaft；
The electromagnetism piezoelectric device includes the piezoelectric bimorph beam mechanism of more than four, more than four pieces of magnet piece and is distributed on every
The coil of chute both sides；Each piezoelectric bimorph beam mechanism includes at least one pair of piezoelectric bimorph beam, and one end of piezoelectric bimorph beam is right
Should be connected to the circumference on chassis, and on chassis between adjacent two chutes, the other end of piezoelectric bimorph beam is connected respectively
Cantilever magnet piece；More than four pieces of magnet piece is respectively correspondingly arranged on more than four pieces of sliding block；Every chute both sides and correspondence
Insulating materials is provided between uniform coil；
During work, in the presence of dynamic excitation, rotation input mechanism rotate and drive crank to rotate, realize sliding block with
Magnet piece moving back and forth in chute, the multiturn coil of chute both sides experiences the change of magnetic flux and produces induced-current,
Electric current is drawn by wire；On the other hand, can also attract on piezoelectric bimorph beam in reciprocating movement of the sliding block in chute
Cantilever magnet piece, under the double action that the attraction suffered by cantilever magnet piece and ambient vibration are encouraged, piezoelectric bimorph beam occurs
Significantly vibration and flexural deformation and electric charge is produced to export.
2. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1, it is characterised in that：Institute
State center chassis and be provided with the beam barrel coordinated with the rotating shaft；The excircle on chassis is provided with frame, and one end of piezoelectric bimorph beam is right
The frame on chassis should be connected to.
3. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1 and 2, its feature exists
In：The material of the chassis and chute is copper or aluminium.
4. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1, it is characterised in that：Institute
State quality swing-bar mechanism to be made up of swing rod and mass, the lower end of swing rod is fixedly connected mass, and the upper end of swing rod is by turning
Axle is connected to the other end of crank.
5. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1, it is characterised in that：Institute
Stating rotating wheel mechanisms that includes cutting hitting formula water wheels, cuts and hits the other end that formula water wheels are connected to crank by rotating shaft.
6. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1, it is characterised in that：Institute
The material for stating crank, connecting rod and sliding block is copper or aluminium.
7. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1, it is characterised in that：Institute
Sliding block is stated for tubulose, the magnet piece is fixed in tubular slider.
8. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1, it is characterised in that：Institute
State the glide direction of the direction of magnetization perpendicular to the sliding block of magnet piece, and the coil parallel to chute both sides axis direction.
9. a kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device according to claim 1, it is characterised in that：Institute
The material for stating magnet piece and cantilever magnet piece is Nd-Fe-B permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184095.0A CN106849495B (en) | 2017-03-24 | 2017-03-24 | A kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184095.0A CN106849495B (en) | 2017-03-24 | 2017-03-24 | A kind of crank-linkage type electromagnetism Piezoelectric anisotropy energy collecting device |
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| Publication Number | Publication Date |
|---|---|
| CN106849495A true CN106849495A (en) | 2017-06-13 |
| CN106849495B CN106849495B (en) | 2019-03-26 |
Family
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465324A (en) * | 2017-09-06 | 2017-12-12 | 北京理工大学 | A kind of prisoner based on automobile vibration can 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 |
| CN113054870A (en) * | 2021-03-29 | 2021-06-29 | 厦门大学深圳研究院 | Combined type rotary energy collector |
| CN113437899A (en) * | 2021-07-05 | 2021-09-24 | 浙江师范大学 | Follow-up rotating body monitoring device |
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| CN103684047A (en) * | 2013-12-18 | 2014-03-26 | 大连理工大学 | Wind-driven rotary type piezoelectric and electromagnetic hybrid electric generator |
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| JP2012191787A (en) * | 2011-03-11 | 2012-10-04 | Casio Comput Co Ltd | Power generation device |
| CN102185521A (en) * | 2011-05-03 | 2011-09-14 | 大连理工大学 | Device for generating electricity by using sea waves |
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| CN112202360A (en) * | 2020-09-29 | 2021-01-08 | 长春工业大学 | Piezoelectric power generation device based on water flow excitation effect |
| CN113054870A (en) * | 2021-03-29 | 2021-06-29 | 厦门大学深圳研究院 | Combined type rotary energy collector |
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| CN113437899B (en) * | 2021-07-05 | 2023-01-31 | 浙江师范大学 | Follow-up rotating body monitoring device |
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| Publication number | Publication date |
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| CN106849495B (en) | 2019-03-26 |
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