CN106856382A - A kind of rotatable movement and the piezoelectric energy collecting device being axially moved - Google Patents
A kind of rotatable movement and the piezoelectric energy collecting device being axially moved Download PDFInfo
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- CN106856382A CN106856382A CN201710022925.XA CN201710022925A CN106856382A CN 106856382 A CN106856382 A CN 106856382A CN 201710022925 A CN201710022925 A CN 201710022925A CN 106856382 A CN106856382 A CN 106856382A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052742 iron Inorganic materials 0.000 claims abstract description 39
- 238000009826 distribution Methods 0.000 claims description 11
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000005674 electromagnetic induction Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- -1 aluminium Gold Chemical compound 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of rotatable movement and the piezoelectric energy collecting device being axially moved, including axostylus axostyle, the two ends of the axostylus axostyle are separately installed with axle sleeve and magnetic inner cylinder, elastic thin-wall outer barrel is installed between axle sleeve, if elastic thin-wall outer barrel is by dry plate elastic sheet, some blocks of strip-shaped permanent-magnet iron and flexible piezoelectric member are constituted, flexible piezoelectric member is bonded on the surface of elastic sheet, strip-shaped permanent-magnet iron is distributed in the inner side of elastic sheet, and strip-shaped permanent-magnet iron is bonded on the elastic sheet, and in the border inner of the elastic sheet, shaft rod upper sleeve in elastic thin-wall outer barrel is equipped with magnetic inner cylinder.Restoring force of the present invention using the permanent magnetic of the shoe permanent magnet in magnetic inner cylinder and the strip-shaped permanent-magnet iron that elastic thin-wall outer barrel inner side is distributed and when deforming with elastic sheet is equal in magnitude at specific position, in the opposite direction, form wake vortex, the Oscillation Amplitude of elastic sheet can be increased, efficiency of energy collection is improved.
Description
Technical field：
The present invention relates to belong to energy regenerating field, it is related to a kind of piezoelectric vibration energy collector, relates generally to a kind of rotatable
Motion and the piezoelectric energy collecting device being axially moved.
Background technology：
Major part miniature electronic component is all to use battery-powered at present, although the electricity that battery can provide stabilization meets micro-
The energy requirement of electronic product, but for the extensive miniature electronic component system of many occasions, particularly network type, adopt
Many inconvenience can be brought with battery-powered, the service life of one side battery is limited, it is necessary to regularly replace, on the other hand for this
Large-scale miniature electronic component system conversion battery is planted extremely to be difficult.It is for example inflammable and explosive etc. dangerous in some special occasions
Occasion, it is difficult to which it is electronic component energy supply to use battery.Therefore the substitute of battery is sought, and in some special application fields
Substituting battery or the automatic research for the various energy collection technologies of battery charging have turned into study hotspot in recent years.
Various forms of energy in environment can be converted to by available electrical energy by energy collection technology, it is main at present
Energy collection technology has light energy collection technology；Thermal energy collecting technology and vibration energy harvesting technology.Vibration is widely present in nature
In environment and with energy density higher, vibration energy harvesting technology is compared to light energy collection technology and thermal energy collecting technology pair
The requirement of applied environment is relatively low, can provide relatively stable energy.By piezoelectric in vibration energy harvesting technology
The piezoelectric energy collection technique that direct piezoelectric effect collects energy has power density and simpler structure higher, it is easy to collect
Into with miniaturization, meet the development trend of electronic component, be widely applied in energy regenerating field.Such as Chinese patent
（Publication number CN204190649U）Disclose a kind of piezoelectric energy collector for axially pressing formula；Such as Chinese patent（Publication number
CN102332843A）Disclose a kind of symmetric rotation piezoelectric generation device；Such as Chinese patent（Publication number CN102723894A）It is public
A kind of piezoelectric bimorph beam rotary piezoelectric generation device is opened.
But during the above is using the patent of piezoelectric energy collection technique, the piezoelectric energy collecting device being previously mentioned can only be received
The vibrational energy that collection extraneous vibration displacement or rotation are excited, it is impossible to while collecting the vibration in the case of both difference excitations
Energy, is unfavorable for the practical of piezoelectric energy collecting device.Rotary energy collection device common at present is based on electromagnetism sense
Answer the electric generator structure of principle, such as Chinese patent（Publication number CN105836005A）A kind of motor vehicle electromagnetic sensing is disclosed to generate electricity
Machine and Chinese patent（Publication number CN105684280A）Disclose a kind of generator.These are based on the generator of electromagnetic induction principle
Structure is complex, is not easy to be miniaturized and integrated, and discomfort is combined into miniature electronic component energy supply.
The content of the invention：
The object of the invention be exactly design it is a can be while collecting the piezoelectricity of extraneous vibration displacement and the excited vibrational energy of rotation
Energy collecting device, and using wake vortex improve generating efficiency present in piezoelectric energy collecting device, the present invention is compared
Piezoelectric energy collecting device common at present has efficiency of energy collection higher.The present invention is compared to common at present based on electromagnetism
The electric generator structure of principle of induction is compacter, it is easier to miniaturization with it is integrated.
The present invention is achieved by the following technical solutions：
A kind of rotatable movement and the piezoelectric energy collecting device being axially moved, it is characterised in that：Including axostylus axostyle, the axostylus axostyle
Two ends are separately installed with axle sleeve, and elastic thin-wall outer barrel is provided between the axle sleeve, if the elastic thin-wall outer barrel is by dry plate bullet
Property thin plate, some blocks of strip-shaped permanent-magnet iron and flexible piezoelectric member constitute, the flexible piezoelectric member is bonded in the table of elastic sheet
On face, the strip-shaped permanent-magnet iron is distributed in the inner side of elastic sheet, and in the border inner of the elastic sheet, the elasticity
Shaft rod upper sleeve in thin-walled outer barrel is equipped with magnetic inner cylinder.
Described elastic thin-wall outer barrel is in integrally drum type or lantern-shaped.
Described elastic sheet is integrally arched, and its two ends is wider, along two ends to its width after a middle segment distance by
It is decrescence small, and two end side surfaces between adjacent spring thin plate are bonded together, and constitute the elastic thin-wall outer barrel of circle distribution
Side.
Described elastic sheet is distributed with polylith strip-shaped permanent-magnet iron respectively in cambered surface, and every block of strip-shaped permanent-magnet iron is not
The corresponding magnetic pole distribution of bonding basal plane is different, and the corresponding elastic thin-wall outer barrel is radially-arranged between the adjacent elastic sheet
The strip-shaped permanent-magnet magnetic pole iron distribution is different.
The outward flange of the axle sleeve is Nian Jie with the medial surface of the top and bottom of the elastic thin-wall outer barrel.
Described axostylus axostyle is manufactured using aluminium alloy, and the elastic sheet is manufactured using beryllium-bronze, and the axle sleeve is closed using aluminium
Gold manufacture, the flexible piezoelectric member uses PVDF piezoelectric membranes, the strip-shaped permanent-magnet iron uses Nd-Fe-B permanent magnet.
Described strip-shaped permanent-magnet iron through-thickness magnetizes, and magnetic pole is distributed in upper and lower basal plane, the width of the strip-shaped permanent-magnet iron
Degree less than the minimum widith of elastic sheet, cross basal plane and be bonded on elastic sheet by the strip-shaped permanent-magnet Tie Tong.
If described magnetic inner cylinder is made up of dry plate shoe permanent magnet side bonds, and the intrados of magnetic inner cylinder with
Axostylus axostyle periphery is bonded.
Described shoe permanent magnet can use Nd-Fe-B permanent magnet, and the shoe permanent magnet is by radial magnetizing, magnetic pole point
Extrados corresponding magnetic pole of the cloth between cambered surface, and the adjacent shoe permanent magnet is different each other.
Its principle is：The elastic sheet is ordered about using the permanent magnetic between permanent magnet to deform, using the axostylus axostyle
The external magnetic inner cylinder is simultaneously built in the structure design of the elastic thin-wall outer barrel and can not only collect the axostylus axostyle and axially transport
Dynamic vibrational energy, can also collect the energy that the axostylus axostyle rotary motion is excited.The rotatable movement and axial movement
Piezoelectric energy collecting device can experience external environment and vibrate by the axle end, and the axostylus axostyle drives the magnetic inner cylinder to exist
The elastic thin-wall outer barrel is axially moved back and forth, the shoe permanent magnet and the elastic thin-wall in the magnetic inner cylinder
Outer barrel inner side is ordered about the elastic sheet and is back and forth deformed along the strip-shaped permanent-magnet iron phase interaction that cambered surface is distributed, the bullet
Property thin sheet surface bonding the flexible piezoelectric member produce the electric energy, the electric energy that the flexible piezoelectric member surface produces can to pass through
Wire is exported.
When dynamic excitation rotates the axostylus axostyle, the axostylus axostyle drives the magnetic inner cylinder rotating, the magnetic inner cylinder
In the strip-shaped permanent-magnet iron phase interaction that is radially inside distributed of the shoe permanent magnet and the elastic thin-wall outer barrel drive
Make the elastic sheet that reciprocal transformation to occur, the flexible piezoelectric member of the elastic sheet surface bonding produces electric energy, institute
The electric energy for stating the generation of flexible piezoelectric member surface can be exported by wire.
The rotatable movement and the piezoelectric energy collecting device being axially moved utilize described watt in the magnetic inner cylinder
Shape permanent magnet deforms with the permanent magnetic of the strip-shaped permanent-magnet iron of elastic thin-wall outer barrel inner side distribution with the elastic sheet
When restoring force it is equal in magnitude at specific position, in the opposite direction, formed wake vortex, the elastic sheet can be increased
Oscillation Amplitude, improves efficiency of energy collection.The present invention is compared to the electric generator structure based on electromagnetic induction principle common at present
It is compacter, it is easier to be miniaturized.
Extraneous vibration displacement can be simultaneously collected compared to piezoelectric energy collecting device common at present and rotate what is excited
Vibrational energy.Generating efficiency has bright compared to the piezoelectric energy collecting device of common monostable or single Piezoelectric Cantilever Beams
It is aobvious to improve.The present invention efficiency of energy utilization can be improved by collections of vibrational energy to external world and realize low energy-consumption electronic device oneself
Power supply.
It is an advantage of the invention that：
The elastic sheet is ordered about using the permanent magnetic between permanent magnet to deform, using in the external magnetic of the axostylus axostyle
Cylinder is simultaneously built in the structure design of the elastic thin-wall outer barrel and can not only collect the vibrational energy that the axostylus axostyle is axially moved, also
The energy that the axostylus axostyle rotary motion is excited can be collected.The rotatable movement and the piezoelectric energy collecting device being axially moved
External environment can be experienced by the axle end to vibrate, the axostylus axostyle drives the magnetic inner cylinder in the elastic thin-wall outer barrel
Inside is axially moved back and forth, and the shoe permanent magnet in the magnetic inner cylinder is with elastic thin-wall outer barrel inner side along cambered surface point
The strip-shaped permanent-magnet iron phase interaction of cloth is ordered about the elastic sheet and is back and forth deformed, the elastic sheet surface bonding
The flexible piezoelectric member generation electric energy, the electric energy that the flexible piezoelectric member surface produces can be exported by wire.Work as the external world
When excitation rotates the axostylus axostyle, the axostylus axostyle drives the magnetic inner cylinder rotating, and the shoe in the magnetic inner cylinder is forever
Magnet orders about the elastic sheet with the strip-shaped permanent-magnet iron phase interaction that the elastic thin-wall outer barrel is radially inside distributed
Generation reciprocal transformation, the flexible piezoelectric member of the elastic sheet surface bonding produces electric energy, the flexible piezoelectric member
The electric energy that surface produces can be exported by wire.
The rotatable movement and the piezoelectric energy collecting device being axially moved utilize described watt in the magnetic inner cylinder
Shape permanent magnet deforms with the permanent magnetic of the strip-shaped permanent-magnet iron of elastic thin-wall outer barrel inner side distribution with the elastic sheet
When restoring force it is equal in magnitude at specific position, in the opposite direction, formed wake vortex, the elastic sheet can be increased
Oscillation Amplitude, improves efficiency of energy collection.The present invention is compared to the electric generator structure based on electromagnetic induction principle common at present
It is compacter, it is easier to be miniaturized.Extraneous vibration displacement can be simultaneously collected compared to piezoelectric energy collecting device common at present
The vibrational energy excited with rotation.Piezoelectricity energy of the generating efficiency compared to common monostable or single Piezoelectric Cantilever Beams
Amount collection device is significantly improved.The present invention can be improved efficiency of energy utilization and be realized by the collection of vibrational energy to external world
The self-powered of low energy-consumption electronic device.
Brief description of the drawings：
Fig. 1 is rotatable movement of the present invention and elastic thin-wall outer barrel and axle sleeve in the piezoelectric energy collecting device being axially moved
Structural representation.
Fig. 2 is rotatable movement of the present invention and magnetic inner cylinder and axostylus axostyle in the piezoelectric energy collecting device being axially moved
Structural representation.
Fig. 3 is the overall structure diagram of rotatable movement of the present invention and the piezoelectric energy collecting device being axially moved.
Fig. 4 is that the partial structurtes section of position relationship shows between elastic sheet, flexible piezoelectric member and bar permanent magnet
It is intended to.
In all of the figs, identical reference be used for represent identical element or structure, wherein：
1 is elastic sheet；2 is bar permanent magnet；3 is shoe permanent magnet；4 is flexible piezoelectric member；5 is axostylus axostyle；6 is axle sleeve
Specific embodiment：
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, to this hair
It is bright to be further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Specific embodiment：Fig. 3 is according to rotatable movement of the present invention and the piezoelectric energy collecting device being axially moved
Overall structure diagram.As shown in Figure 3, the rotatable movement and the piezoelectric energy collecting device being axially moved include：Bullet
Property thin-walled outer barrel；Axle sleeve 6；Magnetic inner cylinder and axostylus axostyle 5.The elastic thin-wall outer barrel is in integrally drum type or lantern-shaped, in this implementation
Elastic thin-wall outer barrel is made up of six elastic sheets, 1,18 blocks of strip-shaped permanent-magnet iron 2 and flexible piezoelectric member 4 described in example.It is described
Elastic sheet 1 is manufactured using beryllium-bronze, and the elastic sheet 1 is overall arched, and its two ends is wider, along one section of inward at both ends away from
From rear, its width is gradually reduced.Bond to form occluding surface and structure by the side between two ends between the adjacent elastic sheet 1
Into the side of the elastic thin-wall outer barrel.The flexible piezoelectric member 4 uses PVDF piezoelectric membranes, and it is bonded in the Thin Elastic
The surface of plate 1.The through-thickness of strip-shaped permanent-magnet iron 2 is magnetized, and magnetic pole is distributed in upper and lower basal plane, and the strip-shaped permanent-magnet iron 2 is adopted
Use Nd-Fe-B permanent magnet.The strip-shaped permanent-magnet iron 2 is distributed in the inner side of the elastic thin-wall outer barrel, the strip-shaped permanent-magnet iron 2
Width is less than the minimum widith of the elastic sheet 1, and the strip-shaped permanent-magnet iron 2 is bonded on the elastic sheet 1 by basal plane,
And in the border inner of the elastic sheet 1.The every elastic sheet 1 is distributed with strip-shaped permanent-magnet iron described in polylith along cambered surface
2, and every block of strip-shaped permanent-magnet iron 2 not to be bonded the corresponding magnetic pole distribution of basal plane different, it is corresponding between the adjacent elastic sheet 1
The radially-arranged magnetic pole of strip-shaped permanent-magnet iron 2 distribution of elastic thin-wall outer barrel is different.In the present embodiment, the every bullet
Three pieces of bar permanent magnets 2 are distributed with along cambered surface from top to bottom for property thin plate 1, and the bar permanent magnet 2 is in the every elasticity
Pole arrangement of the thin plate 1 along cambered surface from top to bottom has two kinds, is respectively N-S-N and S-N-S, in order that the adjacent elastic sheet
The corresponding radially-arranged magnetic pole of strip-shaped permanent-magnet iron 2 of elastic thin-wall outer barrel is distributed different, the bar permanent magnet between 1
The different pole arrangement of 2 use in the adjacent elastic sheet 1 along cambered surface from top to bottom.The axle sleeve 6 uses aluminium alloy system
Make and be placed in the top and bottom of the elastic thin-wall outer barrel, the lateral surface of the axle sleeve 6 and the elastic thin-wall outer barrel
The medial surface bonding of top and bottom.The magnetic inner cylinder passes through side bonds by six shoe permanent magnets 3 in the present embodiment
Constitute, the shoe permanent magnet 3 is distributed in cambered surface by radial magnetizing, magnetic pole, and the shoe permanent magnet 3 uses Nd-Fe-B permanent magnetic
Iron.The corresponding magnetic pole of extrados between the adjacent shoe permanent magnet 3 is different each other.The axostylus axostyle 5 passes through the He of the axle sleeve 6
The magnetic inner cylinder, the lateral surface of the axostylus axostyle 5 is Nian Jie with the intrados of the magnetic inner cylinder, and the axostylus axostyle 5 uses aluminium alloy
Manufacture.
The rotatable movement and the piezoelectric energy collecting device of axial movement are ordered about using the permanent magnetic between permanent magnet
The elastic sheet 1 deforms, and using the external magnetic inner cylinder of the axostylus axostyle 5 and is built in the elastic thin-wall outer barrel
Structure design can not only collect the vibrational energy of the axial movement of the axostylus axostyle 5, can also collect the rotary motion of the axostylus axostyle 5 and swash
The energy of hair.
The rotatable movement and the piezoelectric energy collecting device being axially moved can experience extraneous by the end of the axostylus axostyle 5
Ambient vibration, the axostylus axostyle 5 drives the magnetic inner cylinder to be axially moved back and forth in the elastic thin-wall outer barrel, the magnetic
The shoe permanent magnet 3 in inner cylinder is mutual along the strip-shaped permanent-magnet iron 2 that cambered surface is distributed with elastic thin-wall outer barrel inner side
Effect is ordered about the elastic sheet 1 and is back and forth deformed, and the flexible piezoelectric member 4 of the surface of the elastic sheet 1 bonding is produced
Raw electric energy, the electric energy that the surface of the flexible piezoelectric member 4 produces can be exported by wire.When dynamic excitation revolves the axostylus axostyle 5
When turning, the axostylus axostyle 5 drives the magnetic inner cylinder rotating, the shoe permanent magnet 3 and the elasticity in the magnetic inner cylinder
The strip-shaped permanent-magnet iron 2 that thin-walled outer barrel is radially inside distributed interacts and orders about the generation reciprocal transformation of the elastic sheet 1,
The flexible piezoelectric member 4 of the surface of the elastic sheet 1 bonding produces electric energy, what the surface of the flexible piezoelectric member 4 produced
Electric energy can be exported by wire.
The rotatable movement and the piezoelectric energy collecting device being axially moved utilize described watt in the magnetic inner cylinder
Shape permanent magnet 3 becomes with the permanent magnetic of the strip-shaped permanent-magnet iron 2 of elastic thin-wall outer barrel inner side distribution with the elastic sheet 1
Restoring force during shape is equal in magnitude at specific position, in the opposite direction, forms wake vortex, can increase the elastic sheet
1 Oscillation Amplitude, improves efficiency of energy collection.
The present invention is compacter compared to the electric generator structure based on electromagnetic induction principle common at present, it is easier to miniature
Change.Extraneous vibration displacement and the excited vibrational energy of rotation can be simultaneously collected compared to piezoelectric energy collecting device common at present
Amount.Generating efficiency has compared to the piezoelectric energy collecting device of common monostable or single Piezoelectric Cantilever Beams and substantially carries
It is high.The present invention can improve efficiency of energy utilization and realize the confession of low energy-consumption electronic device by the collection of vibrational energy to external world
Electricity.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, it is not used to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (9)
1. a kind of rotatable movement and be axially moved piezoelectric energy collecting device, it is characterised in that：Including axostylus axostyle, the axostylus axostyle
Two ends be separately installed with axle sleeve, elastic thin-wall outer barrel is installed, if the elastic thin-wall outer barrel is by dry plate between the axle sleeve
Elastic sheet, some blocks of strip-shaped permanent-magnet iron and flexible piezoelectric member are constituted, and the flexible piezoelectric member is bonded in elastic sheet
On surface, the strip-shaped permanent-magnet iron is distributed in the inner side of elastic sheet and the border inner in the elastic sheet, the bullet
Property thin-walled outer barrel in shaft rod upper sleeve be equipped with magnetic inner cylinder.
2. rotatable movement according to claim 1 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
The elastic thin-wall outer barrel stated is in integrally drum type or lantern-shaped.
3. rotatable movement according to claim 1 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
The elastic sheet stated is integrally arched, and its two ends is wider, is gradually reduced to its width after a middle segment distance along two ends, and phase
Two end side surfaces between adjacent elastic sheet are bonded together, and constitute the side of the elastic thin-wall outer barrel of circle distribution.
4. rotatable movement according to claim 2 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
The elastic sheet stated is distributed with polylith strip-shaped permanent-magnet iron respectively in cambered surface, and every block of strip-shaped permanent-magnet iron is not bonded basal plane pair
The magnetic pole distribution answered is different, and the corresponding radially-arranged strip of elastic thin-wall outer barrel is forever between the adjacent elastic sheet
Magnet poles distribution is different.
5. rotatable movement according to claim 1 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
The outward flange for stating axle sleeve is Nian Jie with the medial surface of the top and bottom of the elastic thin-wall outer barrel.
6. rotatable movement according to claim 1 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
The axostylus axostyle stated is manufactured using aluminium alloy, and the elastic sheet is manufactured using beryllium-bronze, and the axle sleeve is manufactured using aluminium alloy, described
Flexible piezoelectric member uses PVDF piezoelectric membranes, the strip-shaped permanent-magnet iron to use Nd-Fe-B permanent magnet.
7. rotatable movement according to claim 1 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
The strip-shaped permanent-magnet iron through-thickness stated magnetizes, and magnetic pole is distributed in upper and lower basal plane, and the width of the strip-shaped permanent-magnet iron is less than elasticity
The minimum widith of thin plate, the strip-shaped permanent-magnet Tie Tong crosses basal plane and is bonded on elastic sheet.
8. rotatable movement according to claim 1 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
If the magnetic inner cylinder stated is made up of dry plate shoe permanent magnet side bonds, and magnetic inner cylinder intrados and axostylus axostyle periphery
Bonding.
9. rotatable movement according to claim 8 and be axially moved piezoelectric energy collecting device, it is characterised in that：Institute
The shoe permanent magnet stated can use Nd-Fe-B permanent magnet, the shoe permanent magnet to be distributed in cambered surface by radial magnetizing, magnetic pole, and
The corresponding magnetic pole of extrados between the adjacent shoe permanent magnet is different each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022925.XA CN106856382B (en) | 2017-01-12 | 2017-01-12 | A kind of piezoelectric energy collecting device of rotatable movement and axial movement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022925.XA CN106856382B (en) | 2017-01-12 | 2017-01-12 | A kind of piezoelectric energy collecting device of rotatable movement and axial movement |
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| CN106856382A true CN106856382A (en) | 2017-06-16 |
| CN106856382B CN106856382B (en) | 2018-08-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630480A (en) * | 2018-05-17 | 2018-10-09 | 北京工业大学 | A kind of rotary self energizing wireless switching |
| CN108712106A (en) * | 2018-05-28 | 2018-10-26 | 中国石油天然气股份有限公司 | Underground power generation device and separate-layer water injection device |
| CN109861585A (en) * | 2019-04-11 | 2019-06-07 | 长春工业大学 | A kind of double acting piezoelectric generating device |
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| WO2009039293A1 (en) * | 2007-09-18 | 2009-03-26 | University Of Florida Research Foundation, Inc. | Dul-mode piezoelectric/magnetic vibrational energy harvester |
| CN102332843A (en) * | 2011-09-16 | 2012-01-25 | 大连理工大学 | Symmetric rotation piezoelectric generation device |
| CN102723894A (en) * | 2012-05-28 | 2012-10-10 | 南京航空航天大学 | Rotary piezoelectric generation device |
| CN204190649U (en) * | 2014-11-26 | 2015-03-04 | 南昌工程学院 | Piezoelectric energy collector |
| CN205744317U (en) * | 2016-06-15 | 2016-11-30 | 浙江师范大学 | A kind of suspension self-excitation runner piezoelectric beam energy accumulator |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009039293A1 (en) * | 2007-09-18 | 2009-03-26 | University Of Florida Research Foundation, Inc. | Dul-mode piezoelectric/magnetic vibrational energy harvester |
| CN102332843A (en) * | 2011-09-16 | 2012-01-25 | 大连理工大学 | Symmetric rotation piezoelectric generation device |
| CN102723894A (en) * | 2012-05-28 | 2012-10-10 | 南京航空航天大学 | Rotary piezoelectric generation device |
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| CN205744317U (en) * | 2016-06-15 | 2016-11-30 | 浙江师范大学 | A kind of suspension self-excitation runner piezoelectric beam energy accumulator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630480A (en) * | 2018-05-17 | 2018-10-09 | 北京工业大学 | A kind of rotary self energizing wireless switching |
| CN108630480B (en) * | 2018-05-17 | 2019-11-15 | 北京工业大学 | A kind of rotary self energizing wireless switching |
| CN108712106A (en) * | 2018-05-28 | 2018-10-26 | 中国石油天然气股份有限公司 | Underground power generation device and separate-layer water injection device |
| CN108712106B (en) * | 2018-05-28 | 2020-07-10 | 中国石油天然气股份有限公司 | Underground power generation device and separate-layer water injection device |
| CN109861585A (en) * | 2019-04-11 | 2019-06-07 | 长春工业大学 | A kind of double acting piezoelectric generating device |
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| Publication number | Publication date |
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| CN106856382B (en) | 2018-08-31 |
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