CN105763099A - Continuous generation device based on piezoelectric principle - Google Patents
Continuous generation device based on piezoelectric principle Download PDFInfo
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- CN105763099A CN105763099A CN201610242268.5A CN201610242268A CN105763099A CN 105763099 A CN105763099 A CN 105763099A CN 201610242268 A CN201610242268 A CN 201610242268A CN 105763099 A CN105763099 A CN 105763099A
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- 241000446313 Lamella Species 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 230000005611 electricity Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 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 relates to a continuous generation device based on a piezoelectric principle. The continuous generation device includes a stopper, a ballscrew drive assembly, a gear engagement assembly, a track plate assembly, a piezoelectric assembly and a rebound assembly, wherein the stopper, the ballscrew drive assembly, the gear engagement assembly, the track plate assembly, the piezoelectric assembly and the rebound assembly are packaged in an integral-package assembly; the stopper is transition-coordinated with the ballscrew drive assembly; the ballscrew drive assembly is in a key joint with the gear engagement assembly; the gear engagement assembly is connected with the track plate assembly; the piezoelectric assembly is arranged between the track plate assembly and the integral-package assembly; and the rebound assembly keeps in touch with the ballscrew drive assembly. Compared with the prior art, the continuous generation device based on a piezoelectric principle enables the generation current to have periodicity and continuity so as to bring great convenience on the subsequent utilization of electric energy, and is compact in the structure.
Description
Technical field
The present invention relates to a kind of TRT, belong to machinery and energy technology field, especially relate to a kind of continuous generating device based on piezoelectric principle.
Background technology
Shoes can be had bigger pressure effect when walking by people, and this partial pressure tends to be ignored to fall by people.Currently with the mode of this energy mainly by two kinds: the first is based on electromagnetic induction principle, and the second is based on piezoelectric effect.For the first, due to the comparatively huge occasion being unsuitable to apply to this narrow space of sole of device volume, for the second, piezoelectric patches is successfully placed in sole and generates electricity by existing many researchs.
At present, all there is problem common altogether in the shoe sole electric generator based on piezoelectric effect: the electric energy size directly produced by piezoelectric effect is considerable, but this electric energy utilization rate after over commutation significantly reduces.Its reason is in that electric current produced by piezoelectric effect is intermittent, and frequency is extremely low, and the general frequency of walking with people of frequency is consistent.These conditions result in the reduction of utilization rate of electrical.
Chinese patent CN102475371A discloses a kind of power-generating shoe, including shoes, Pressure Actuated Device it is provided with bottom shoes, Pressure Actuated Device is connected with gear, gear is provided with flexible member, and the running part of gear is connected with TRT, and TRT is connected with circuit board, circuit board is connected with electrical storage device, and shoes are additionally provided with switch.But undeclared concrete ins and outs in this patent, simply describe the effect of functional module.And the helical spring wherein used, it is not easy to fixing, poor stability in shoes motor process, may scattering, fault rate is high, and problem very big during the connection of wind spring and gear train, connecting typically by the groove on gear, such connected mode can reduce part life.And the used herein compression spring having guider, hence it is evident that better effects if.
Summary of the invention
Defect that the purpose of the present invention is contemplated to overcome above-mentioned prior art to exist and a kind of rotational kinetic energy that transferred to by pressure by rotation conversion system and drive system is provided, drive with this track plate being especially tailored to produce, with generating sheet, the continuous generating device based on piezoelectric principle that motion carries out generating electricity, be placed in sole.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of continuous generating device based on piezoelectric principle, including the stop being encapsulated in overall package assembly, ball-screw-transmission assembly, gear engagement component, track plate assembly, piezoelectric element and resilience assembly,
Described stop excessively coordinates with ball-screw-transmission assembly, described ball-screw-transmission assembly is connected by key with gear engagement component, described gear engagement component is connected with track plate assembly, described piezoelectric element is arranged between track plate assembly and overall package assembly, and described resilience assembly and ball-screw-transmission assembly keep in touch.
Described ball-screw-transmission assembly includes leading screw, nut, ball and reverser, the flange section of described nut is connected with stop and keeps in touch with resilience assembly, and described leading screw is connected by key with gear engagement component and excessively coordinates with overall package assembly.
Described piezoelectric element includes circular piezoelectric twin lamella, thin axle, ball bearing, connecting plate, wire, pad, described ball bearing is arranged on circular piezoelectric twin lamella by thin axle and connecting plate in symmetrical fashion, ball bearing is positioned on track plate assembly and keeps in touch, the fax sent also is gone out by the piezoelectric patches of circular piezoelectric twin lamella described in described conductor in parallel, and described pad is connected with circular piezoelectric twin lamella and overall package assembly.
Described gear engagement component is made up of intermeshing gear wheel and little gear, and described gear wheel is connected with track plate assembly, and described little gear is connected by key with the leading screw of ball-screw-transmission assembly.
Described stop is column structure, is connected with the nut of ball-screw-transmission assembly, and coordinates with overall package pack clearance.
Described track plate assembly includes sine curve track and multidiameter, and described sine curve track contacts with the ball bearing of piezoelectric element, and described multidiameter is connected with the gear wheel of gear engagement component and excessively coordinates with overall package assembly.
Described multidiameter includes the shaft part of two different-diameters, is connected with gear wheel respectively and overall package assembly excessively coordinates.
The flange section of the nut of described resilience assembly and ball-screw-transmission assembly keeps in touch, it is ensured that resilience assembly and ball-screw are synchronized with the movement, and drives ball-screw motion in the resilience component recovery stage.
Described overall package assembly includes main casing, ball bearing and cap, the circular piezoelectric twin lamella of piezoelectric element, gear engagement component, ball-screw-transmission assembly, stop, track plate assembly and resilience assembly are built in main casing, described ball bearing excessively coordinates with track plate assembly and ball-screw-transmission assembly, described cap be connected with the pad of piezoelectric element and with stop matched in clearance.
In said modules, circular piezoelectric twin lamella one end of piezoelectric element is fixed by fixed block and overall package assembly, the other end passes through the bearing and the track plate component touch that are fixed on circular piezoelectric twin lamella, track plate assembly is connected by gear engagement component and ball leading screw driving assembly, when the flange of ball screw is trampled, flange declines and makes the spring-compressed contacted with banking stop, effect due to stop, flange will not rotate so that screw mandrel rotates, rotation is delivered on track plate assembly by connected gear engagement component by screw mandrel, piezoelectric bimorph is fixed, owing to the relative motion of piezoelectric bimorph and track plate assembly is so that piezoelectric patches vibrates, piezoelectric patches is made to deform upon generation electric charge；When external force on flange is removed, elastic force that flange produces by compression due to spring and rise, thus driving track plate assembly adverse movement, piezoelectric bimorph is made to continue vibrations, lasting generation electric charge, the instantaneous impact that each step of human body walking is applied by package unit is from point being converted into continuous print electric energy.
The shell of overall package assembly surrounds whole device, the distance that energy control flange declines when device is subject to excessive pressure, it is to avoid screw mandrel excessively rotates protection screw mandrel.With contacting of overall package assembly, banking stop ensure that flange is excessive without resilience when recoil of spring simultaneously.
Being fixed with several limited post on the banking stop fixing with flange, the anti-sliding stop in position being possible not only to restraining spring can also provide support when flange is pressed onto bottommost.
Compared with prior art, this device can make generation current be periodicity, seriality, so gives the great convenience that follow-up utilization of power brings, compact conformation simultaneously, single unit system can put into sole completely, and when utilizing human body to walk, the energy of waste, meets the requirement of sustainable Green Development.
Accompanying drawing explanation
Fig. 1 is the internal structure axonometric drawing of the present invention；
Fig. 2 is the internal structure front view of the present invention；
Fig. 3 is the internal structure top view of the present invention；
Fig. 4 is the internal structure upward view of the present invention；
Fig. 5 is the overall package figure of the present invention；
Wherein: 1-overall package assembly, 2-track plate, 3-bearing A, 4-screw mandrel, 5-bearing B, 6-flange, 7-fixed block, 8-spring, 9-banking stop, 10-gear wheel, the little gear of 11-, 12-circular piezoelectric twin lamella, 13-flange gasket, 14-limited post, 15-bolt A, 16-bolt B, 17-central shaft, 18-bolt C, 19-bolt D, 20-nut, 21-connecting plate, the thin axle of 22-, 23-Miniature ball bearing, 24-wire.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of continuous generating device based on piezoelectric principle, its structure as Figure 1-5, including the stop being encapsulated in overall package assembly, ball-screw-transmission assembly, gear engagement component, track plate assembly, piezoelectric element and resilience assembly.Wherein, resilience assembly is made up of banking stop 9, limited post 14 and two springs 8 with suitable elasticity coefficient, and spring 8 is enclosed within limited post 14, and spring 8 can stretch without moving left and right up and down.Ball-screw-transmission assembly is made up of screw mandrel 4, nut 20, flange 6, screw mandrel 4 can rotate when 6 times pressures of flange, screw mandrel 4 is connected on banking stop 20 by nut 20, is additionally provided with flange gasket 13 between flange 6 and banking stop 20, and through the fixing connection of bolt C18 and bolt D19.The effect of resilience assembly is that the flange 6 pressed down drives when cancelling external force ball leading screw driving assembly return to original position；Piezoelectric element is made up of circular piezoelectric twin lamella 12, thin axle 22, Miniature ball bearing 23, connecting plate 21, wire and fixed block 7, the electrotransfer that wherein circular piezoelectric twin lamella 12 can be produced by wire 24 is to extraneous electrical appliance or extraneous energy storage device, sliding friction is converted into fluency during rolling friction raising plant running by Miniature ball bearing 23, and thin axle 22 is connected on circular piezoelectric twin lamella 12 through bolt A15；Gear engagement component is made up of two intermeshing gear wheels 10 and little gear 11, and the gear ratio changing gear can bring different generating effects, and gear wheel 10 is connected with circular piezoelectric twin lamella 12 also by bolt B 16；Track plate assembly is made up of track plate 2 and central shaft 17, and central shaft 17 is attached with gear wheel 10 and track plate 2, obtains identical angular velocity；Overall package assembly 1 is designed by the size of internal structure; bearing A3 and bearing B5 is placed in the bottom of overall package assembly 1; being attached separately on central shaft 17 and screw mandrel 4, overall package assembly 1 can be effectively protected internal structure, it is prevented that because the fault that vibration and impact bring.
Operation principle: during use, each component package is in overall package assembly 1, and the flange 6 of ball leading screw driving assembly stretches out outside overall package assembly several millimeters, and wire 24 stretches out overall package assembly and is connected on extraneous electrical appliance or accumulator.nullThe present invention is just being put on floor，When people's foot is stepped on，Flange 6 is subjected to the pressure from people，Thus moving downward，Screw mandrel 4 is contained on bearing，Can by rotation that the transform linear motion of flange 6 is screw mandrel 4，Little gear 11 is connected with screw mandrel 4 by key，The rotation of screw mandrel 4 can drive little gear 11 to rotate，Little gear 11 engages each other with gear wheel 10，Thus gear wheel 10 also will rotate，Gear wheel 10 and track plate 2 are contained in above central shaft 17 jointly，Thus track plate 2 starts to rotate，And circular piezoelectric twin lamella 12 is fixed and is not rotated with track plate 2，The edge of track plate 2 is rugged track，Described Miniature ball bearing 23 is because the rotation of track plate can move up and down rapidly，Thus circular piezoelectric twin lamella 12 can deform upon generation electricity，It is available for extraneous electrical appliance by wire 24 or accumulator uses.
Claims (9)
1. the continuous generating device based on piezoelectric principle, it is characterised in that this device includes the stop, ball-screw-transmission assembly, gear engagement component, track plate assembly, piezoelectric element and the resilience assembly that are encapsulated in overall package assembly,
Described stop excessively coordinates with ball-screw-transmission assembly, described ball-screw-transmission assembly is connected by key with gear engagement component, described gear engagement component is connected with track plate assembly, described piezoelectric element is arranged between track plate assembly and overall package assembly, and described resilience assembly and ball-screw-transmission assembly keep in touch.
2. a kind of continuous generating device based on piezoelectric principle according to claim 1, it is characterized in that, described ball-screw-transmission assembly includes leading screw, nut, ball and reverser, the flange section of described nut is connected with stop and keeps in touch with resilience assembly, and described leading screw is connected by key with gear engagement component and excessively coordinates with overall package assembly.
3. a kind of continuous generating device based on piezoelectric principle according to claim 1, it is characterized in that, described piezoelectric element includes circular piezoelectric twin lamella, thin axle, ball bearing, connecting plate, wire, pad, described ball bearing is arranged on circular piezoelectric twin lamella by thin axle and connecting plate in symmetrical fashion, ball bearing is positioned on track plate assembly and keeps in touch, the fax sent also is gone out by the piezoelectric patches of circular piezoelectric twin lamella described in described conductor in parallel, and described pad is connected with circular piezoelectric twin lamella and overall package assembly.
4. a kind of continuous generating device based on piezoelectric principle according to claim 2, it is characterized in that, described gear engagement component is made up of intermeshing gear wheel and little gear, described gear wheel is connected with track plate assembly, and described little gear is connected by key with the leading screw of ball-screw-transmission assembly.
5. a kind of continuous generating device based on piezoelectric principle according to claim 2, it is characterised in that described stop is column structure, is connected with the nut of ball-screw-transmission assembly, and coordinates with overall package pack clearance.
6. a kind of continuous generating device based on piezoelectric principle according to claim 3 or 4, it is characterized in that, described track plate assembly includes sine curve track and multidiameter, described sine curve track contacts with the ball bearing of piezoelectric element, and described multidiameter is connected with the gear wheel of gear engagement component and excessively coordinates with overall package assembly.
7. a kind of continuous generating device based on piezoelectric principle according to claim 6, it is characterised in that described multidiameter includes the shaft part of two different-diameters, is connected with gear wheel respectively and overall package assembly excessively coordinates.
8. a kind of continuous generating device based on piezoelectric principle according to claim 2, it is characterized in that, the flange section of the nut of described resilience assembly and ball-screw-transmission assembly keeps in touch, ensure that resilience assembly and ball-screw are synchronized with the movement, drive ball-screw motion in the resilience component recovery stage.
9. a kind of continuous generating device based on piezoelectric principle according to claim 1, it is characterized in that, described overall package assembly includes main casing, ball bearing and cap, the circular piezoelectric twin lamella of piezoelectric element, gear engagement component, ball-screw-transmission assembly, stop, track plate assembly and resilience assembly are built in main casing, described ball bearing excessively coordinates with track plate assembly and ball-screw-transmission assembly, described cap be connected with the pad of piezoelectric element and with stop matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610242268.5A CN105763099B (en) | 2016-04-19 | 2016-04-19 | A kind of continuous generating device based on piezoelectric principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610242268.5A CN105763099B (en) | 2016-04-19 | 2016-04-19 | A kind of continuous generating device based on piezoelectric principle |
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| CN105763099A true CN105763099A (en) | 2016-07-13 |
| CN105763099B CN105763099B (en) | 2018-02-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968600A (en) * | 2017-12-12 | 2018-04-27 | 厦门大学 | A kind of wearable device for collecting piezoelectric vibration energy of synchronism output |
| CN108518323A (en) * | 2018-03-16 | 2018-09-11 | 张华涛 | A kind of machine driving power generator for human body walking energy regenerating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052231A (en) * | 2010-11-29 | 2011-05-11 | 大连海洋大学 | Wave power generating device |
| WO2013038463A1 (en) * | 2011-09-16 | 2013-03-21 | 株式会社ハーモニック・ドライブ・システムズ | Vibration power-generating strain wave gearing |
| CN105375686A (en) * | 2015-12-02 | 2016-03-02 | 武汉理工大学 | Portable piezoelectric electromagnetic hybrid generating apparatus employing change speed gear for acceleration |
-
2016
- 2016-04-19 CN CN201610242268.5A patent/CN105763099B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052231A (en) * | 2010-11-29 | 2011-05-11 | 大连海洋大学 | Wave power generating device |
| WO2013038463A1 (en) * | 2011-09-16 | 2013-03-21 | 株式会社ハーモニック・ドライブ・システムズ | Vibration power-generating strain wave gearing |
| CN105375686A (en) * | 2015-12-02 | 2016-03-02 | 武汉理工大学 | Portable piezoelectric electromagnetic hybrid generating apparatus employing change speed gear for acceleration |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968600A (en) * | 2017-12-12 | 2018-04-27 | 厦门大学 | A kind of wearable device for collecting piezoelectric vibration energy of synchronism output |
| CN107968600B (en) * | 2017-12-12 | 2020-06-09 | 厦门大学 | Synchronous output wearable piezoelectric vibration energy collecting device |
| CN108518323A (en) * | 2018-03-16 | 2018-09-11 | 张华涛 | A kind of machine driving power generator for human body walking energy regenerating |
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| CN105763099B (en) | 2018-02-02 |
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Granted publication date: 20180202 Termination date: 20200419 |