CN107492999A - A kind of vibration generating device - Google Patents
A kind of vibration generating device Download PDFInfo
- Publication number
- CN107492999A CN107492999A CN201710743424.0A CN201710743424A CN107492999A CN 107492999 A CN107492999 A CN 107492999A CN 201710743424 A CN201710743424 A CN 201710743424A CN 107492999 A CN107492999 A CN 107492999A
- Authority
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- China
- Prior art keywords
- permanent magnet
- generating device
- coil
- base
- vibration generating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010248 power generation Methods 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 19
- 230000004888 barrier function Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000005674 electromagnetic induction Effects 0.000 abstract description 4
- 238000009527 percussion Methods 0.000 abstract description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 11
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical group 0.000 description 3
- 229910001329 Terfenol-D Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of vibration generating device, including Power Generation Section and supporting part；Power Generation Section includes being sequentially overlapped fixed top cover, upper permanent magnet, the magnetostrictor for being wound with coil, lower permanent magnet；Supporting part includes elastic component and base.In use, applying pressure to top cover, permanent magnet, magnetostrictor, coil and lower permanent magnet is set to move downward in the lump, the length of magnetic path is caused to change, so that coil produces the magnetic field of change, according to Faraday's electromagnetic induction law, induced electromotive force is produced in coil, i.e. electromagnetic type generates electricity；During because of pressing top cover, lower permanent magnet extrudes base and produces percussion to base, closes magnetic circuit, with caused reaction force acts in magnetostrictor, and according to counter magnetostriction effect, the magnetic field of change is produced in coil, and then producing induced electromotive force, i.e., piezomagnetic generates electricity.Device design is simple, and is generated electricity and piezomagnetic two electricity generation process of generating including electromagnetic type, and this improves generating efficiency.
Description
Technical field
The present invention relates to power field, more specifically to a kind of vibration generating device.
Background technology
Electric energy is a kind of conventional power source, and especially in summer, with increasing for each family expenses electric equipment, the usage amount of electric energy is not
It is disconnected to rise violently.Having for electric energy is a variety of, and such as by solar energy, wind energy, geothermal energy, but the utilization of such energy is by the external world
The influence of environmental factor, application are limited.Therefore, in recent years, the vibrating power-generation not influenceed by factors such as environment, is increasingly becoming
The focus of research.
For prior art, mainly there are piezoelectric type, electrostatic, electromagnetic type and super mangneto by the device of vibrating power-generation
Telescopic four kinds.The structure of vibration generating device is relative complex on the market, and volume is larger, with the miniaturization of device at this stage, nothing
The design concept of line is runed counter to；It is not easy to identify in the case of vibration is less and the working frequency range of such device is higher, such as mark time
Vibration etc., therefore application is limited, generating efficiency is relatively low.
Therefore, how to simplify vibration generating device, improve generating efficiency, be the problem that the field is urgently to be resolved hurrily at this stage.
The content of the invention
In view of this, it is an object of the invention to provide a kind of vibration generating device, the device can simplify vibrating power-generation
Device, generating efficiency is improved, the problem for solving the field at this stage.
A kind of vibration generating device, including Power Generation Section and supporting part；
The Power Generation Section include be sequentially overlapped fixed top cover, upper permanent magnet, the magnetostrictor for being wound with coil, under forever
Magnet, the coil are used to collect electric energy；
The supporting part includes elastic component and base；The elastic component is sleeved on outside the Power Generation Section, and the elastic component
One end mutually fixed with the base, the other end is connected with the top cover, for supporting the Power Generation Section；When the pressing top
Gai Shi, it can extrude the lower permanent magnet and tap the base.
Preferably, described vibration generating device, in addition to sleeve and ring seat, the sleeve set is in the elastic component
Outside, and one end of the sleeve is mutually fixed with the base, and the other end is mutually fixed with the ring seat, and the top energy of the top cover
Enough through the ring seat.
Preferably, described vibration generating device, the sleeve are to be spirally connected with the base.
Preferably, described vibration generating device, the sleeve are to be spirally connected with the ring seat.
Preferably, described vibration generating device, when the lower permanent magnet extrudes the base, the lower permanent magnetism physical efficiency
It is enough to be fitted with the base.
Preferably, described vibration generating device, insulating barrier is provided between the coil and the upper permanent magnet.
Preferably, described vibration generating device, insulating barrier is provided between the coil and the lower permanent magnet.
Preferably, described vibration generating device, the base are provided with annular groove, and the elastic component passes through the annular groove and institute
Base is stated mutually to fix.
Preferably, described vibration generating device, the material of the coil is copper, or is aluminium, or is copper alloy.
Preferably, described vibration generating device, the material of the magnetostrictor is rare earth ultra-magnetostriction material.
Vibration generating device proposed by the present invention, including Power Generation Section and supporting part；The Power Generation Section includes being sequentially overlapped admittedly
Fixed top cover, upper permanent magnet, the magnetostrictor for being wound with coil, lower permanent magnet；The supporting part includes elastic component and base.
In use, applying pressure to top cover, permanent magnet, magnetostrictor, coil and lower permanent magnet is moved downward in the lump, cause
The length of magnetic path changes, so that coil produces the magnetic field of change, according to Faraday's electromagnetic induction law, is produced in coil
Induced electromotive force, i.e. electromagnetic type generate electricity；During because of pressing top cover, lower permanent magnet extrudes base and produces percussion to base, makes magnetic
Road closes, and with caused reaction force acts in magnetostrictor, and according to counter magnetostriction effect, change is produced in coil
The magnetic field of change, and then produce induced electromotive force, i.e., piezomagnetic generates electricity.Device design is simple, can occur when top cover vibrates
Said process；And include electromagnetic type when vibrating and generate electricity and piezomagnetic two electricity generation process of generating, therefore, substantially increase generating
Efficiency, solves the problem in the field at this stage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the explosive view of vibration generating device in the specific embodiment of the invention.
In Fig. 1：
Top cover -1, upper permanent magnet -2, coil -3, magnetostrictor -4, lower permanent magnet -5, elastic component -6, bottom
Seat -7, sleeve -8, ring seat -9.
Embodiment
The core of present embodiment is to provide a kind of vibration generating device, and the device can simplify vibrating power-generation dress
Put, improve generating efficiency, the problem for solving the field at this stage.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to described in claim
The content of the invention rise any restriction effect.In addition, the full content of the composition represented by example below is not limited to as right
It is required that necessary to the solution of described invention.
The vibration generating device that present embodiment provides, mainly includes Power Generation Section and supporting part.Wherein, Power Generation Section is wrapped
Include：Top cover 1, upper permanent magnet 2, magnetostrictor 4, lower permanent magnet 5；And top cover 1, upper permanent magnet 2, magnetostrictor 4, lower permanent magnetism
Body 5 is wound with the coil 3 for collecting electric energy to be sequentially overlapped fixed structure from top to bottom on magnetostrictor 4；It is actual
During design, top cover 1, base 7, sleeve 8, ring seat 9 can select the higher material of magnetic conductivity, such as mild steel.Supporting part can be with
Including elastic component 6 and base 7；Wherein, elastic component 6 is sleeved on outside Power Generation Section, as shown in Figure 1；One end of elastic component 6 and base 7
Mutually fixed, the other end is connected with top cover 1, for being supported to Power Generation Section, i.e., is played by being fixed with the phase of top cover 1 to generating electricity
The overall supporting role in portion；The elastic component 6 can be spring or other components for possessing elasticity and can playing equivalent effect.
Base 7 can also select the high low-carbon steel material of magnetic conductivity.It please specifically refer to Fig. 1.
Further, above-mentioned vibration generating device makes permanent magnet 2, magnetostrictor in use, to the application pressure of top cover 1
4th, coil 3 and lower permanent magnet 5 move downward in the lump, cause the length of magnetic path to change, so that coil 3 produces the magnetic of change
, according to Faraday's electromagnetic induction law, induced electromotive force is produced in coil 3, i.e. electromagnetic type generates electricity；During because of pressing top cover 1,
Lower permanent magnet 5 extrudes base and produces percussion to base, closes magnetic circuit, with caused reaction force acts in mangneto
Extrusome 4, and according to counter magnetostriction effect, the magnetic field changed, and then generation induced electromotive force are produced in coil 3, that is, is pressed
Magnetic-type generates electricity.Device design is simple, and said process can occur when top cover 1 vibrates；And include electromagnetic type when vibrating and generate electricity
With piezomagnetic two electricity generation process of generating, therefore, the efficiency of generating is substantially increased, the problem for solving the field at this stage.
It should be noted that the mode of magnetizing of upper permanent magnet 2 and lower permanent magnet 5 is axial charging, and polar sites are all
It is N-S, N-S, i.e. N poles are arranged in upper, S poles under to be in the same direction.
Present embodiment provide vibration generating device, sleeve 8 and ring seat 9 can also be included, this be designed into
One step is protected to the internal structure of TRT.Wherein, sleeve 8 is sleeved on outside elastic component 6, and one end and bottom of sleeve 8
7 phases of seat are fixed, and the other end is fixed with the phase of ring seat 9, and the top of top cover 1 can pass through ring seat 9, so that top cover 1 can be pressed down.
Ring seat 9 is used for the gap being connected between top cover 1 and sleeve 8, further to be played a protective role to vibration generating device, while can
Top cover 1 is avoided to come off.
The vibration generating device that present embodiment provides, can be welding, spiral shell between sleeve 8 and base 7 or ring seat 9
Connect, the mode such as clamping is mutually fixed, and in actual design, for the ease of the dismounting to vibration generating device and then is maintained easily, can
Ring seat 9, sleeve 8, the three of base 7 are mutually fixed in a manner of selection is spirally connected.Ring seat 9 and sleeve 8 are to select the high material of magnetic conductivity
Material is made as benefit, such as mild steel.
The vibration generating device that present embodiment provides, when pressing top cover 1, lower permanent magnet 5 can be with the phase of base 7
Mutually extruding, tap close magnetic circuit so that magnetostrictor 4 by pressure in the presence of because counter magnetostriction effect is in coil 3
Interior generation magnetic field increment, and according to Faraday's electromagnetic induction law, electromotive force will be produced in coil 3, the process presses magnetic hair
Electricity.In order to when lower permanent magnet 5 and base 7 extrude magnetic circuit closure, avoid Distribution of Magnetic Field occur local magnetically saturated phenomenon, so as to
Cause magnetic force to reduce, decrease in power generation efficiency, in design lower permanent magnet 5 can be enable to be fitted completely with the base 7, such as
The area of the lower bottom of permanent magnet 5 is identical with the area that can be contacted of base 7.
Further, in order that shadow is not caused in magnetic field caused by upper permanent magnet 2 and lower permanent magnet 5 to the electricity collection of coil 3
Ring, insulating barrier can be respectively provided with the upper surface of coil 3 and lower surface, i.e., it is upper between permanent magnet 2 and coil 3 and lower permanent magnetism
Insulating barrier is provided between body 5 and coil 3, the insulating barrier can be adhesive plaster, or other can play the insulation of equivalent effect
Material.
Present embodiment provide vibration generating device, between base 7 and elastic component 6 can be clamping, welding or
Person's others connected mode, in order to further facilitate the dismounting of the two, annular groove can be set on base 7, the annular groove and elasticity
The bottom of part 6 matches, and is fixed elastic component 6 and the phase of base 7 by annular groove.
The vibration generating device that present embodiment provides, in the design of reality, in order to further improve the effect that generates electricity
Rate, upper permanent magnet 2 and lower permanent magnet 5 can select the big material of magnetic energy product to make, such as neodymium iron boron material.It can select
The materials such as copper, aluminium, aluminium alloy make coil 3, to improve the efficiency that coil 3 collects electric energy.Meanwhile in order that the present apparatus is answered
Further expanded with scope, magnetostrictor 4 can be made in the material of 1-104 hertz with Response to selection frequency band, it is light to meet
Bear down on one lid 1, i.e. vibrate it is smaller when the present apparatus normal work, vibration of such as marking time；Now, the present apparatus can be installed on crowded
Square, park or the big place of other density of stream of people, for the laying on such place floor, with the vibration that will mark time as far as possible
It is converted into electric energy.
Further, during actual design, can by sleeve 8 set through hole form, by electric energy caused by coil 3 with
Extraneous electrical equipment is connected, and electric energy is outwards conveyed, so that the present apparatus normally can outwards power；Or the through hole is set
Put in other positions such as base.
The vibration generating device that present embodiment provides, the material of magnetostrictor 4 can be that rare-earth super-magnetic causes to stretch
Compression material, such as Terfenol-D rods.Rare earth ultra-magnetostriction material Terfenol-D deformation is bigger than general magnetic material, with pressure
Electric material is compared with advantages below with traditional magnetostriction materials：Saturation magnetostriction strain is big, and energy density is high, magnetomechanical
The tool coefficient of coup is big, and the velocity of sound is low.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
1. a kind of vibration generating device, it is characterised in that including Power Generation Section and supporting part；
The Power Generation Section includes being sequentially overlapped fixed top cover (1), upper permanent magnet (2), the magnetostrictor for being wound with coil (3)
(4), lower permanent magnet (5), the coil (3) are used to collect electric energy；
The supporting part includes elastic component (6) and base (7)；The elastic component (6) is sleeved on outside the Power Generation Section, and the bullet
One end of property part (6) is mutually fixed with the base (7), and the other end is connected with the top cover (1), for supporting the generating
Portion；When pressing top cover (1), it can extrude the lower permanent magnet (5) and tap the base (7).
2. vibration generating device according to claim 1, it is characterised in that described also including sleeve (8) and ring seat (9)
Sleeve (8) is sleeved on the elastic component (6) outside, and one end of the sleeve (8) is mutually fixed with the base (7), the other end with
The ring seat (9) is mutually fixed, and the top of the top cover (1) can pass through the ring seat (9).
3. vibration generating device according to claim 2, it is characterised in that the sleeve (8) and the base (7) are spiral shell
Connect.
4. vibration generating device according to claim 2, it is characterised in that the sleeve (8) and the ring seat (9) are spiral shell
Connect.
5. vibration generating device according to claim 1, it is characterised in that when the lower permanent magnet (5) extrudes the bottom
During seat (7), the lower permanent magnet (5) can fit with the base (7).
6. vibration generating device according to claim 1, it is characterised in that the coil (3) and the upper permanent magnet (2)
Between be provided with insulating barrier.
7. vibration generating device according to claim 1, it is characterised in that the coil (3) and the lower permanent magnet (5)
Between be provided with insulating barrier.
8. vibration generating device according to claim 1, it is characterised in that the base (7) is provided with annular groove, the elasticity
Part (6) is mutually fixed by the annular groove and the base (7).
9. vibration generating device according to claim 1, it is characterised in that the material of the coil (3) is copper, or is
Aluminium, or be copper alloy.
10. vibration generating device according to claim 1, it is characterised in that the material of the magnetostrictor (4) is dilute
Native giant magnetostrictive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743424.0A CN107492999B (en) | 2017-08-25 | 2017-08-25 | A kind of vibration generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743424.0A CN107492999B (en) | 2017-08-25 | 2017-08-25 | A kind of vibration generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107492999A true CN107492999A (en) | 2017-12-19 |
| CN107492999B CN107492999B (en) | 2019-09-06 |
Family
ID=60650996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710743424.0A Active CN107492999B (en) | 2017-08-25 | 2017-08-25 | A kind of vibration generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492999B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199621A (en) * | 2018-01-31 | 2018-06-22 | 广东工业大学 | A kind of magnetostriction energy collecting device |
| CN108306549A (en) * | 2018-01-31 | 2018-07-20 | 广东工业大学 | A kind of magnetostriction energy collecting device |
| CN109026508A (en) * | 2018-08-14 | 2018-12-18 | 沈阳工业大学 | A kind of magnetostriction thin slice float-type wave vibration power generator |
| CN110193169A (en) * | 2019-04-01 | 2019-09-03 | 沈阳工业大学 | A kind of Body building footboard collected with vibration with generating function |
| CN111066110A (en) * | 2018-03-05 | 2020-04-24 | 欧姆龙株式会社 | Switch, display holding method, and display holding program |
| WO2020155369A1 (en) * | 2019-02-01 | 2020-08-06 | 泉州动态科技有限公司 | Vibration-type self-powered led lamp |
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|---|---|---|---|---|
| US5184037A (en) * | 1990-02-23 | 1993-02-02 | Kabushiki Kaisha Toshiba | Magnetostriction type actuator |
| JPH0975847A (en) * | 1995-09-13 | 1997-03-25 | Toshiba Corp | Magnetostrictive vibrator |
| WO2004015790A1 (en) * | 2002-08-09 | 2004-02-19 | Mecel Aktiebolag | Method and device for transforming vibration energy |
| JP2011114884A (en) * | 2009-11-24 | 2011-06-09 | Takenaka Komuten Co Ltd | Generation device |
| CN104092347A (en) * | 2014-07-11 | 2014-10-08 | 沈阳工业大学 | Magnetostrictive vibration-driven power generating device |
-
2017
- 2017-08-25 CN CN201710743424.0A patent/CN107492999B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| US5184037A (en) * | 1990-02-23 | 1993-02-02 | Kabushiki Kaisha Toshiba | Magnetostriction type actuator |
| JPH0975847A (en) * | 1995-09-13 | 1997-03-25 | Toshiba Corp | Magnetostrictive vibrator |
| WO2004015790A1 (en) * | 2002-08-09 | 2004-02-19 | Mecel Aktiebolag | Method and device for transforming vibration energy |
| JP2011114884A (en) * | 2009-11-24 | 2011-06-09 | Takenaka Komuten Co Ltd | Generation device |
| CN104092347A (en) * | 2014-07-11 | 2014-10-08 | 沈阳工业大学 | Magnetostrictive vibration-driven power generating device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199621A (en) * | 2018-01-31 | 2018-06-22 | 广东工业大学 | A kind of magnetostriction energy collecting device |
| CN108306549A (en) * | 2018-01-31 | 2018-07-20 | 广东工业大学 | A kind of magnetostriction energy collecting device |
| CN111066110A (en) * | 2018-03-05 | 2020-04-24 | 欧姆龙株式会社 | Switch, display holding method, and display holding program |
| CN109026508A (en) * | 2018-08-14 | 2018-12-18 | 沈阳工业大学 | A kind of magnetostriction thin slice float-type wave vibration power generator |
| WO2020155369A1 (en) * | 2019-02-01 | 2020-08-06 | 泉州动态科技有限公司 | Vibration-type self-powered led lamp |
| CN110193169A (en) * | 2019-04-01 | 2019-09-03 | 沈阳工业大学 | A kind of Body building footboard collected with vibration with generating function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107492999B (en) | 2019-09-06 |
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