CN109474203A - Magnetostrictive thin film formula impacts the vibration collection and power generator that low frequency turns high frequency more - Google Patents
Magnetostrictive thin film formula impacts the vibration collection and power generator that low frequency turns high frequency more Download PDFInfo
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- CN109474203A CN109474203A CN201811369866.4A CN201811369866A CN109474203A CN 109474203 A CN109474203 A CN 109474203A CN 201811369866 A CN201811369866 A CN 201811369866A CN 109474203 A CN109474203 A CN 109474203A
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- 239000010409 thin film Substances 0.000 title claims abstract description 93
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 47
- 239000010935 stainless steel Substances 0.000 claims abstract description 47
- 238000004804 winding Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 12
- 230000004907 flux Effects 0.000 claims description 10
- 210000000515 tooth Anatomy 0.000 claims description 8
- 238000009827 uniform distribution Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000005415 magnetization Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 27
- 238000010248 power generation Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 13
- 239000010408 film Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000001052 transient effect Effects 0.000 description 4
- 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 3
- 239000003292 glue Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002999 depolarising effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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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
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Abstract
Magnetostrictive thin film formula impacts the vibration collection and power generator that low frequency turns high frequency more, which includes L shaped plate (1), magnetostrictive thin film layer (2), stainless steel lining (3), pick-up winding (4), bar magnet (5), clappers (9) and positioning plate (13)；It picks up the electric energy that power generation process generates with pick-up winding, realizes, and a low frequency impact vibration is enough converted into multiple high-frequency vibration, and then magnetostriction materials is made to generate multiple high frequency free vibration, the vibration for reaching higher efficiency is collected and the process of power generation.
Description
Technical field
The invention belongs to magnetostriction to vibrate power field, in particular to one kind is with film-form magnetostriction materials as core
Heart element, the magnetostriction produced electricl energy by absorbing the high-frequency vibratory energy that impact low-frequency vibration is converted into more than the transient state
Vibration is collected and power generator.
Background technique
Most of low power electronic devices, if wireless sensor and implantable equipment provide power by electrochemical cell,
But there are restricted lifetimes for battery, need frequent charge, replacement, and the drawbacks such as are limited by size, are less able to satisfy rapidly
The demand of the integrated circuit of development.In order to solve these problems, research substitution energy source becomes the task of top priority.It uses before
Method: electromagnetic method, size are big；Electrostatic methods need external power supply；Piezoelectric approach is because its is high-efficient, and main configuration is simple, pressure
Defective coupling in conductive film.So selecting magnetostriction materials.The characteristics of magnetostriction materials magnetization phenomenon is variation because of it
The variation of dimension and occur；Magnetostriction materials show medium magnetostriction and high tensile；Magnetostriction materials tool
There are high conversion and excellent thermal stability.Traditional mechanical manufacturing technology can prepare the different shapes of magnetostriction materials sample
Shape.
In nature and actual production life, there are lasting or intermittent vibrations abundant, such as human body vibration, friendship
Pitch and bridge vibration in logical tool traveling etc..The vibrational energy in environment can be drawn simultaneously using functional material
It produces electricl energy.Magnetostriction materials have that preferable output stability, high reliablity, magnetostriction coefficient be big, energy conversion effect
Rate is high.The material has the bidirectional reversible transduction efficiency between mechanical energy and electromagnetic energy, and wherein magnetostrictive reaction is the material
One of important physical effect, acted on when by external force, material will generate magnetostrictive reaction, cause the magnetic of material internal
Change state changes.Therefore, the magnetostrictive reaction characteristic having using magnetostriction materials, to the vibration in ambient enviroment
It is dynamic to be collected, convert vibration mechanical energy to the magnetic energy of variation；In conjunction with faraday's galvanomagnetic-effect of coil, can realize
Vibration mechanical energy is converted to the power generation process of electric energy.
It is directed to the research of energy collecting device at present, mainly realizes that the energy of microcircuit is supplied using piezoelectric material
It gives.Such as the property of the piezoelectric vibration energy collector for the multifrequency response delivered in the 15th phase of volume 25 of China Mechanical Engineering in 2014
Energy analysis and test is researched and proposed, and piezoelectric material is used for vibrational energy acquisition.In piezoelectricity in 2018 and acousto-optic volume 40
Proposed in the research of windmill-shaped low frequency piezoelectric vibration energy collector that 3rd phase delivered, using piezo technology to vibrational energy into
Row collect, devise piezoelectric type vibration energy collecting system, low-frequency vibration energy switched to by electric energy by piezoelectric effect, to
To solve low frequency energy acquisition problems in environment.But more impact low frequency transient vibrations there is no to turn the power generation dress of high-frequency vibration at present
It sets.
Summary of the invention
Goal of the invention
The present invention provides a kind of magnetostrictive thin film formula and impacts vibration collection and power generator that low frequency turns high frequency, mesh more
Be solve it is the problems of previous.
Technical solution:
Magnetostrictive thin film formula impacts the vibration collection and power generator that low frequency turns high frequency more, it is characterised in that: the device
Including L shaped plate (1), magnetostrictive thin film layer (2), stainless steel lining (3), pick-up winding (4), bar magnet (5), clappers (9)
With positioning plate (13)；
L shaped plate (1) includes transverse slat (1-1) and vertical plate (1-2)；One end and transverse slat in transverse slat (1-1) is arranged in vertical plate (1-2)
(1-1) forms L-shaped structure；
Stainless steel lining (3) is arranged on transverse slat (1-1), and magnetostrictive thin film layer (2) is arranged in stainless steel lining (3)
On, positioning plate (13) are connected to after the left alignment of stainless steel lining (3), magnetostrictive thin film layer (2) and transverse slat (1-1),
The right alignment of the right end connection board (1-2) of transverse slat (1-1), stainless steel lining (3) and magnetostrictive thin film layer (2) and with set
The bar magnet (5) set on transverse slat (1-1) is close to；
Stainless steel lining (3), transverse slat (1-1) and the at L-shaped cantilever beam structure of magnetostrictive thin film layer (2) shape, pick-up winding
(4) it is wrapped in outside L shape cantilever beam structure (being wrapped between positioning plate (13) and bar magnet (5))；
Clappers (9) cover on studs (12), and can move along the axial direction (in such as Fig. 2 up and down) of studs (12)
It is dynamic, it is cased with upper spring (8) on the studs (12) of the top of clappers (9), is covered on the studs (12) of the lower section of clappers (9)
Have lower spring (11), clappers (9) are supported on studs (12) by upper spring (8), lower spring (11)；
Be provided on the outside of vertical plate (1-2) gullet plate (6), sawtooth version (6) setting clappers (9) below；Make when having to vibrate
When on clappers (9), sawtooth version (6) is impacted by five kinds, so that the movement of clappers (9) causes L shaped plate (1) to generate vibration；L
The vibration of shape plate (1) is transmitted on the magnetostrictive thin film layer (2) being attached thereto, and magnetostrictive thin film layer (2) will do free vibration
Swing swing；The magnetic that the bending deformation generated in magnetostrictive thin film layer (2) vibration processes causes magnetostrictive thin film layer (2) internal
Change state changes, i.e., magnetic flux changes, and the effect of flux change will be in the pick-up winding (4) that be wrapped in outside cantilever beam
Induced voltage is generated, induced voltage then passes through pick-up winding (4) and is transmitted to the external world.
Magnetostrictive thin film layer (2) and stainless steel lining (3) are rectangular sheet shape.
(i.e. L shaped plate (1) is fixed for the left end of stainless steel lining (3) and magnetostrictive thin film layer (2) and L shaped plate (1) fixing end
In one end of positioning plate (13)) alignment, the right end of stainless steel lining (3) and the right alignment of magnetostrictive thin film layer (2).
Bar magnet (5) is rectangle, the upper contact of bar magnet (5) bottom surface and L shaped plate (1), bar magnet (5) left end
Face leans against on the right side of magnetostrictive thin film layer (2) and stainless steel lining (3).
Positioning plate (13) is the symmetrical T-shaped plate being made of vertical plate and horizontal base plate, in the top symmetry axis of the vertical plate of T-shaped plate
Position is provided with rectangular recess；The left end of L shape cantilever beam is mounted in the rectangular recess in T-shaped plate, and the left end of L shape cantilever beam is solid
Fixed end.
Clappers are provided with circular through hole at (9) center；Studs (12) passes through the circular through hole.
In outline border (7), outline border (7) is by the parallel transverse slat of upper and lower two panels and one piece of vertical plate structure for studs (12) setting
At C-shaped configuration, vertical plate connects one end of the parallel transverse slat of two panels, is provided with round spiral shell at the transverse slat center on the top of outline border (7)
Line through-hole, center is provided with threaded hole at the transverse slat of the lower part of outline border (7), and the upper and lower ends of studs (12) have external screw thread；
Match in the round thread through-hole that the upper end of studs (12) is put at the transverse slat center on the top of outline border (7) with the through hole whorl
Close, the lower end of studs (12) put in the threaded hole at the transverse slat center of the lower part of outline border (7) and with the threaded hole screw thread
Cooperation.
Clappers (9) include sheet-pile (9-1) and plate face (a), and plate face (a) is arranged on sheet-pile (9-1).
Gullet plate (6) right side is uniform-distribution with five chisel teeths, sawtooth version on (side i.e. corresponding with clappers (9))
(6) below clappers (9), when clappers (9) are to lower stress, sawtooth version (6) is turned a low frequency impact vibration by a variety of impacts
Change multiple high-frequency vibration into.
Advantageous effect:
For the deficiency of existing piezoelectricity oscillating generating set and magnetostriction vibration power generator, one kind is invented with film
Shape magnetostriction materials are core element, and transient state low-frequency vibration is converted into high-frequency vibration by two spring-supported clappers,
Premagnetization magnetizing field is provided for magnetostrictive thin film with bar magnet, is rushed with the magnetostrictive thin film formula that pick-up winding picks up electric energy more
Hit vibration collection and power generator that low frequency turns high frequency.The apparatus structure is simple, and gullet plate can vibrate a low frequency impact
It is converted into multiple high-frequency vibration, and then magnetostriction materials is made to generate multiple high frequency free vibration, reaches the vibration of higher efficiency
Collect the purpose with power generation.
A kind of magnetostrictive thin film formula impacts the vibration collection and power generator that low frequency turns high frequency more, it is characterised in that: L shape
Plate, magnetostrictive thin film layer and stainless steel lining constitute L-type cantilever beam, and pick-up winding is wrapped in outside L-type cantilever beam.L-type is outstanding
Arm beam left end is fixing end, is fixed in T-shaped plate, and right end is free end, adheres to bar magnet close to L-type cantilever beam free end.
Gullet plate is sticked to L-type cantilever beam free end, and gullet plate is below clappers, and clappers are by upper spring, lower spring supporting in studs
On.Outline border is fixed with studs.
Magnetostrictive thin film layer and stainless steel lining are rectangular sheet shape；L shaped plate is axially symmetric structure；T-shaped plate
Top is provided with rectangular recess；Stainless steel lining and magnetostrictive thin film layer are sequentially arranged at the top of L shaped plate from bottom to top, stainless
The left end of steel backing layer and magnetostrictive thin film layer is aligned with L shaped plate fixing end, the right end and magnetostrictive thin film of stainless steel lining
The right alignment of layer, stainless steel lining, magnetostrictive thin film layer, L shaped plate constitute L-type cantilever beam；It installs the left end of L-type cantilever beam
In rectangular recess in T-shaped plate.
Pick-up winding is wrapped in the outside of L-type cantilever beam.
Bar magnet is rectangular parallelepiped structure；Bar magnet is mounted on the top of L shaped plate, and it is thin that left side leans against magnetostriction
On the right side of film layer and stainless steel lining.
Gullet plate is axially symmetric structure, and five chisel teeths are uniform-distribution on gullet plate right side.Gullet plate is solid by glue
It is scheduled on the free end side of L shaped plate.
Clappers are axially symmetric structure, are provided with circular through hole at its center；The upper and lower ends of studs have external screw thread；
Outline border is U-shaped structure, is provided with circular through hole at outline border central upper portion, is provided with threaded hole at outline border lower central；Studs
Through-hole across outline border top, nut, upper spring, clappers, lower spring are sequentially sleeved on studs, and studs lower end is fixed
In the threaded hole of outer frame bottom, studs top and outline border are fixed and are locked by nut.
The a face contact on the face b and gullet plate on clappers；
The present invention provides biasing magnetic using magnetostrictive thin film as core element, with one block of bar magnet for magnetostrictive thin film
, the electric energy that power generation process generates is picked up with pick-up winding, is realized, a low frequency impact vibration is converted into multiple high frequency vibrating
It is dynamic, and then magnetostriction materials is made to generate multiple high frequency free vibration, the vibration for reaching higher efficiency is collected and the process of power generation.
There is no fatigues, problem of aging for magnetostriction materials compared with the power generator based on piezoelectric material, and there is no depolarisings to lose
Effect problem, thus working performance is more reliable；Magnetomechanical high conversion efficiency；Be conducive to device miniaturization, lightweight；Dependent variable compares piezoelectricity
Material is sensitiveer, therefore smaller amplitude condition also exportable higher voltage.It is thin that transient state low-frequency vibration increases magnetostriction
When film amplitude, so that higher voltage can be generated.Five teeth on gullet plate can generate five kinds of impact-responses.Apparatus structure letter
List, generating capacity is strong, high-efficient, application prospect is more extensive.
To sum up, the present invention provides pre- magnetizing field with one block of bar magnet for magnetostrictive thin film, is picked up and is sent out with pick-up winding
The electric energy that electric process generates, realizes, enough that a low frequency impact vibration is converted into multiple high-frequency vibration, and then makes magnetostriction
Material generates multiple high frequency free vibration, and the vibration for reaching higher efficiency is collected and the process of power generation.
Detailed description of the invention
Fig. 1 is vibration collection and the power generator scheme of installation that magnetostrictive thin film formula impacts that low frequency turns high frequency more.
Fig. 2 is the front view of Fig. 1 installation diagram；
Fig. 3 is magnetostrictive thin film layer schematic diagram.
Fig. 4 is stainless steel lining schematic diagram.
Fig. 5 is L shaped plate schematic diagram.
Fig. 6 is L-type cantilever beam schematic diagram.
Fig. 7 is positioning plate schematic diagram.Wherein 7-1 is side, sectional view, and 7-2 is the side view of 7-1, and 7-3 is 7-1's
Top view.
Fig. 8 is bar magnet schematic diagram.
Fig. 9 is the gullet plate schematic diagram of five teeth.9-1 is side view, and 9-2 is the side view of 9-1；9-3 is the vertical view of 9-1
Figure.
Figure 10 is clappers schematic diagram.10-1 is side view, and 10-2 is the top view of 10-1.
Figure 11 is studs schematic diagram.11-1 is the inside schematic diagram, and 11-2 is the top view of 11-1.
Figure 12 is outline border schematic diagram.12-1 is that outline border shows that side view, 12-2 are the side view of 12-1, and 12-3 is bowing for 12-1
View.
Description of symbols:
1-L shape plate, 2- magnetostrictive thin film layer, 3- stainless steel lining, 4- pick-up winding, 5- bar magnet, 6- gullet plate,
7- outline border, 8- upper spring, 9- have the final say, 10- nut, spring under 11-, 12- studs, 13- positioning plate.
Specific embodiment
Magnetostrictive thin film formula impacts the vibration collection and power generator that low frequency turns high frequency more, it is characterised in that: the device
Including L shaped plate (1), magnetostrictive thin film layer (2), stainless steel lining (3), pick-up winding (4), bar magnet (5), clappers (9)
With positioning plate (13)；
L shaped plate (1) includes transverse slat (1-1) and vertical plate (1-2)；One end and transverse slat in transverse slat (1-1) is arranged in vertical plate (1-2)
(1-1) forms L-shaped structure；
Stainless steel lining (3) is arranged on transverse slat (1-1), and magnetostrictive thin film layer (2) is arranged in stainless steel lining (3)
On, positioning plate (13) are connected to after the left alignment of stainless steel lining (3), magnetostrictive thin film layer (2) and transverse slat (1-1),
The right alignment of the right end connection board (1-2) of transverse slat (1-1), stainless steel lining (3) and magnetostrictive thin film layer (2) and with set
The bar magnet (5) set on transverse slat (1-1) is close to；
Stainless steel lining (3), transverse slat (1-1) and the at L-shaped cantilever beam structure of magnetostrictive thin film layer (2) shape, pick-up winding
(4) it is wrapped in outside L shape cantilever beam structure (being wrapped between positioning plate (13) and bar magnet (5))；
Clappers (9) cover on studs (12), and can move along the axial direction (in such as Fig. 2 up and down) of studs (12)
It is dynamic, it is cased with upper spring (8) on the studs (12) of the top of clappers (9), is covered on the studs (12) of the lower section of clappers (9)
Have lower spring (11), clappers (9) are supported on studs (12) by upper spring (8), lower spring (11)；
Be provided on the outside of vertical plate (1-2) gullet plate (6), sawtooth version (6) setting clappers (9) below；Make when having to vibrate
When on clappers (9), sawtooth version (6) is impacted by five kinds, so that the movement of clappers (9) causes L shaped plate (1) to generate vibration；L
The vibration of shape plate (1) is transmitted on the magnetostrictive thin film layer (2) being attached thereto, and magnetostrictive thin film layer (2) will do free vibration
Swing swing；The magnetic that the bending deformation generated in magnetostrictive thin film layer (2) vibration processes causes magnetostrictive thin film layer (2) internal
Change state changes, i.e., magnetic flux changes, and the effect of flux change will be in the pick-up winding (4) that be wrapped in outside cantilever beam
Induced voltage is generated, induced voltage then passes through pick-up winding (4) and is transmitted to the external world.
Magnetostrictive thin film layer (2) and stainless steel lining (3) are rectangular sheet shape.
(i.e. L shaped plate (1) is fixed for the left end of stainless steel lining (3) and magnetostrictive thin film layer (2) and L shaped plate (1) fixing end
In one end of positioning plate (13)) alignment, the right end of stainless steel lining (3) and the right alignment of magnetostrictive thin film layer (2).
Bar magnet (5) is rectangle, the upper contact of bar magnet (5) bottom surface and L shaped plate (1), bar magnet (5) left end
Face leans against on the right side of magnetostrictive thin film layer (2) and stainless steel lining (3).
Positioning plate (13) is the symmetrical T-shaped plate being made of vertical plate and horizontal base plate, in the top symmetry axis of the vertical plate of T-shaped plate
Position is provided with rectangular recess；The left end of L shape cantilever beam is mounted in the rectangular recess in T-shaped plate, and the left end of L shape cantilever beam is solid
Fixed end.
Clappers are provided with circular through hole at (9) center；Studs (12) passes through the circular through hole.
In outline border (7), outline border (7) is by the parallel transverse slat of upper and lower two panels and one piece of vertical plate structure for studs (12) setting
At C-shaped configuration, vertical plate connects one end of the parallel transverse slat of two panels, is provided with round spiral shell at the transverse slat center on the top of outline border (7)
Line through-hole, center is provided with threaded hole at the transverse slat of the lower part of outline border (7), and the upper and lower ends of studs (12) have external screw thread；
Match in the round thread through-hole that the upper end of studs (12) is put at the transverse slat center on the top of outline border (7) with the through hole whorl
Close, the lower end of studs (12) put in the threaded hole at the transverse slat center of the lower part of outline border (7) and with the threaded hole screw thread
Cooperation.
Clappers (9) include sheet-pile (9-1) and plate face (a), and plate face (a) is arranged on sheet-pile (9-1).
Gullet plate (6) right side is uniform-distribution with five chisel teeths, sawtooth version on (side i.e. corresponding with clappers (9))
(6) below clappers (9), when clappers (9) are to lower stress, sawtooth version (6) is turned a low frequency impact vibration by a variety of impacts
Change multiple high-frequency vibration into.
Following further describes the present invention with reference to the drawings:
Magnetostrictive thin film formula of the invention impacts the vibration collection and power generator that low frequency turns high frequency more, with film-form magnetic
Cause telescopic material, that is, magnetostrictive thin film layer (2) is core element, converts voltage for flux change using pick-up winding, is realized
Low frequency impact vibration is converted into multiple high-frequency vibration and produces electricl energy the collection of energy process of output.Magnetostriction is thin
The membrane type vibration that mostly impact low frequency turns high frequency is collected and the working principle of power generator is: according to the inverse effect of magnetostriction materials
It answers, when effect of the magnetostrictive thin film, that is, magnetostrictive thin film layer (2) by the vibration force for acting on surface, magnetostriction is thin
The size shape of film will change, and then the magnetized state inside magnetostrictive thin film is caused to change, i.e. internal magnetic
Flux changes, and so as to cause faraday's galvanomagnetic-effect occurs in pick-up winding, makes to generate voltage in pick-up winding；Pass through bat
Contact action between plate and gullet plate, the low frequency impact vibration that will act on clappers are converted into multiple high-frequency vibration, into
And L-type cantilever beam is made to generate high frequency free vibration.It is thereby achieved that a low frequency impact vibration is converted into multiple high frequency vibrating
It is dynamic, and then magnetostriction materials is made to generate multiple high frequency free vibration, the vibration for reaching higher efficiency is collected and the process of power generation.
Fig. 1 is vibration collection and the power generator scheme of installation that magnetostrictive thin film formula impacts that low frequency turns high frequency more, Fig. 2
For the front view of Fig. 1.Fig. 1 is that magnetostrictive thin film formula mostly impact low frequency turns the vibration collection of high frequency and power generator assembly is illustrated
Figure, when work, bar magnet 5 is mounted on the top of L shaped plate 1, and left side leans against magnetostrictive thin film layer 2 and stainless steel lining
On 3 right side, bar magnet 5 is that magnetostrictive thin film layer 2 provides pre- magnetizing field, makes the magnetomechanical coupling of magnetostrictive thin film layer 2
It closes efficiency and reaches best；L-type cantilever is constituted by L shaped plate 1, magnetostrictive thin film layer 2 and stainless steel lining 3；Gullet plate 6 passes through glue
Be fixed on the free end side of L shaped plate 1, sawtooth version 6 in clappers 9 in the following, clappers 9 be supported on by upper spring 8, lower spring 11 it is double
On header stud 12；When having effect of vibration on clappers 9, clappers 9 are successively by the tooth on gullet plate 6, so that sawtooth version 6 is by five
Kind of impact, 9 movement of having the final say causes L shaped plate 1 to generate vibration, and to be transmitted to the magnetostriction being attached thereto thin for the vibration of L shaped plate 1
In film layer 2, magnetostrictive thin film layer 2 will do free oscillation swing；It is thin that L shaped plate 1 vibrates the magnetostriction for being transmitted to and being attached thereto
On 2 vibration generating device of film layer, since the meeting in L shaped plate 1 that acts on of inertia force swings back and forth up and down, vibration is put by L shaped plate 1
It is transmitted on the magnetostrictive thin film layer 2 being attached thereto greatly；The bending deformation generated in 2 vibration processes of magnetostrictive thin film layer is drawn
It plays the magnetized state inside magnetostrictive thin film layer 2 to change, i.e., magnetic flux changes, and the effect of flux change will be wrapped in
Induced voltage is generated in pick-up winding 4 outside L-type cantilever beam, induced voltage then can be transmitted to the external world by pick-up winding 4.Such as figure
Shown in 3, in order to guarantee that internal magnetic circuit is uniform, magnetostrictive thin film layer 2 is substrate using stainless steel lining 3.
As shown in Figure 3 and Figure 4, magnetostrictive thin film layer 2 and stainless steel lining 3 are rectangular sheet shape；Such as Fig. 5 institute
Show, L shaped plate 1 is axially symmetric structure；Stainless steel lining 3 and magnetostrictive thin film layer 2 are sequentially arranged at L shaped plate 1 from bottom to top
The left end of top, stainless steel lining 3 and magnetostrictive thin film layer 2 is aligned with 1 fixing end of L shaped plate, the right end of stainless steel lining 3 with
The right alignment of magnetostrictive thin film layer 2；As shown in fig. 6, stainless steel lining 3, magnetostrictive thin film layer 2,1 plate of L shape constitute L-type
Cantilever beam.Pick-up winding 4 is wrapped in outside L-type cantilever beam.In fig. 8, bar magnet 5 is rectangle, 5 bottom surface of bar magnet and L
The upper contact of shape plate 1, left side lean against on the right side of magnetostrictive thin film layer 2 and stainless steel lining 3.
As shown in fig. 7, on positioning plate 13 be symmetrical structure, on the top of positioning plate 13, it is recessed to be provided with rectangle for symmetrical shaft position
Slot；The left end of L-type cantilever beam is mounted in the rectangular recess on positioning plate 13, and the left end of L-type cantilever beam is fixing end.
As shown in figure 9, gullet plate 6 is axially symmetric structure, five chisel teeths are uniform-distribution on 6 right side of gullet plate.Saw
Tooth plate 6 is fixed on the free end side of L shaped plate 1 by glue.Sawtooth version 6 is below clappers 9, when clappers 9 are to lower stress, sawtooth
Version 6 is converted into multiple high-frequency vibration by a variety of impacts, by a low frequency impact vibration.
As shown in Figure 10,9 structural schematic diagrams of clappers, clappers 9 are axially symmetric structure, are provided with circular through hole at its center；L
Below clappers 9, clappers 9 are supported on studs 12 by upper spring 8, lower spring 11 for the wedge-shaped free end of type cantilever beam.Such as
Shown in Figure 11 and Figure 12, the upper and lower ends of studs 12 have external screw thread；Outline border 6 is C character form structure, 6 central upper portion of outline border
Place is provided with circular through hole, is provided with threaded hole at 6 lower central of outline border；12 lower end of studs is fixed on the screw thread of 6 lower part of outline border
12 top of studs and outline border are fixed and are locked by Kong Zhong, nut 10.
A kind of magnetostrictive thin film formula of the present invention impacts the vibration collection and power generator that low frequency turns high frequency, energy more
It is enough that a low frequency impact vibration is converted into multiple high-frequency vibration, and then so that magnetostriction materials is generated multiple high frequency and freely shake
It is dynamic, the achievable power generation process to vibration energy harvesting.
Claims (9)
1. magnetostrictive thin film formula impacts the vibration collection and power generator that low frequency turns high frequency more, it is characterised in that: the device packet
Include L shaped plate (1), magnetostrictive thin film layer (2), stainless steel lining (3), pick-up winding (4), bar magnet (5), clappers (9) and
Positioning plate (13)；
L shaped plate (1) includes transverse slat (1-1) and vertical plate (1-2)；One end and transverse slat (1- in transverse slat (1-1) is arranged in vertical plate (1-2)
1) L-shaped structure is formed；
Stainless steel lining (3) is arranged on transverse slat (1-1), and magnetostrictive thin film layer (2) is arranged on stainless steel lining (3), no
Positioning plate (13), transverse slat are connected to after the left alignment of rust steel backing layer (3), magnetostrictive thin film layer (2) and transverse slat (1-1)
The right alignment of the right end connection board (1-2) of (1-1), stainless steel lining (3) and magnetostrictive thin film layer (2) and with setting exist
Bar magnet (5) on transverse slat (1-1) is close to；
Stainless steel lining (3), transverse slat (1-1) and the at L-shaped cantilever beam structure of magnetostrictive thin film layer (2) shape, pick-up winding (4) twine
It is wound on outside L shape cantilever beam structure；
Clappers (9) cover on studs (12), and can be along the axial movement of studs (12), the top of (9) of having the final say
It is cased on studs (12) upper spring (8), is cased with lower spring (11) on the studs (12) of the lower section of clappers (9), had the final say
(9) it is supported on studs (12) by upper spring (8), lower spring (11)；
Be provided on the outside of vertical plate (1-2) gullet plate (6), sawtooth version (6) setting clappers (9) below；When there is effect of vibration to exist
When having the final say on (9), sawtooth version (6) is impacted by five kinds, so that the movement of clappers (9) causes L shaped plate (1) to generate vibration；L shaped plate
(1) vibration is transmitted on the magnetostrictive thin film layer (2) being attached thereto, and magnetostrictive thin film layer (2) will do free oscillation pendulum
It is dynamic；The magnetization shape that the bending deformation generated in magnetostrictive thin film layer (2) vibration processes causes magnetostrictive thin film layer (2) internal
State changes, i.e., magnetic flux changes, and the effect of flux change will be wrapped in the pick-up winding (4) outside cantilever beam and generate
Induced voltage, induced voltage then pass through pick-up winding (4) and are transmitted to the external world.
2. magnetostrictive thin film formula according to claim 1 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: magnetostrictive thin film layer (2) and stainless steel lining (3) are rectangular sheet shape.
3. magnetostrictive thin film formula according to claim 1 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: the left end of stainless steel lining (3) and magnetostrictive thin film layer (2) is aligned with L shaped plate (1) fixing end, stainless steel
The right end of lining (3) and the right alignment of magnetostrictive thin film layer (2).
4. magnetostrictive thin film formula according to claim 1 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: bar magnet (5) is rectangle, the upper contact of bar magnet (5) bottom surface and L shaped plate (1), bar magnet (5)
Left side leans against on the right side of magnetostrictive thin film layer (2) and stainless steel lining (3).
5. magnetostrictive thin film formula according to claim 1 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: positioning plate (13) is the symmetrical T-shaped plate being made of vertical plate and horizontal base plate, on the top pair of the vertical plate of T-shaped plate
Shaft position is claimed to be provided with rectangular recess；The left end of L shape cantilever beam is mounted in the rectangular recess in T-shaped plate, the left end of L shape cantilever beam
For fixing end.
6. magnetostrictive thin film formula according to claim 1 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: being provided with circular through hole at clappers (9) center；Studs (12) passes through the circular through hole.
7. magnetostrictive thin film formula according to claim 6 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: studs (12) setting, in outline border (7), outline border (7) is vertical by the parallel transverse slat of upper and lower two panels and one piece
The C-shaped configuration that plate is constituted, vertical plate connect one end of the parallel transverse slat of two panels, are provided with circle at the transverse slat center on the top of outline border (7)
Shape tapped through hole, center is provided with threaded hole at the transverse slat of the lower part of outline border (7), and the upper and lower ends of studs (12) have outer spiral shell
Line；The upper end of studs (12) is put in the round thread through-hole at the transverse slat center on the top of outline border (7) and the through-hole spiral shell
Line cooperation, the lower end of studs (12) put in the threaded hole at the transverse slat center of the lower part of outline border (7) and with the threaded hole
It is threadedly engaged.
8. magnetostrictive thin film formula according to claim 1 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: clappers (9) include sheet-pile (9-1) and plate face (a), plate face (a) is arranged on sheet-pile (9-1).
9. magnetostrictive thin film formula according to claim 1 impacts the vibration collection and power generator that low frequency turns high frequency more,
It is characterized by: being uniform-distribution with five chisel teeths on gullet plate (6) right side, sawtooth version (6) works as bat below clappers (9)
Plate (9) is converted into multiple high-frequency vibration by a variety of impacts, by a low frequency impact vibration to lower stress, sawtooth version (6).
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| CN201811369866.4A CN109474203B (en) | 2018-11-17 | 2018-11-17 | Magnetostrictive film type vibration collecting and generating device capable of converting multi-impact low frequency into high frequency |
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| CN110098765A (en) * | 2019-04-01 | 2019-08-06 | 沈阳工业大学 | A kind of water cycling cycling vibration power generator with rainwater collecting function |
| CN110098764A (en) * | 2019-04-01 | 2019-08-06 | 沈阳工业大学 | A kind of ultra-magnetic telescopic formula circulation temporary impact vibrating power-generation and energy collecting system |
| CN110112956A (en) * | 2019-04-01 | 2019-08-09 | 沈阳工业大学 | A kind of ultra-magnetic telescopic formula temporary impact collection of energy and warning system |
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