CN105515444B - A kind of multi-direction piezoelectric generating device of burr structure - Google Patents
A kind of multi-direction piezoelectric generating device of burr structure Download PDFInfo
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- CN105515444B CN105515444B CN201610050377.7A CN201610050377A CN105515444B CN 105515444 B CN105515444 B CN 105515444B CN 201610050377 A CN201610050377 A CN 201610050377A CN 105515444 B CN105515444 B CN 105515444B
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- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009165 androgen replacement therapy Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 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)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention discloses a kind of multi-direction piezoelectric generating device of burr structure, including support, annulus, sliding end, slide bar, fold-line-shaped PZT (piezoelectric transducer), big mass, small mass and center contiguous block.Annulus is fixed on support, and slide bar is connected to annulus by sliding end, and big mass and small mass are arranged on slide bar, and two ends are connected with sliding end and center contiguous block respectively by fold-line-shaped PZT (piezoelectric transducer);The fold-line-shaped PZT (piezoelectric transducer) is made up of fold-line-shaped metallic elastic substrate and multi-disc piezoelectric ceramic piece, and slide bar where slide bar where the big mass and small mass is in vertical distribution two-by-two.This device can be converted to the vibration of multiple different directions in external environment the forced vibration of big mass and small mass, and then realize the energy converting between mechanical of fold-line-shaped PZT (piezoelectric transducer), solving existing piezoelectric generating device can only sensitive some direction vibration, the low shortcoming of generating efficiency.
Description
Technical field
The present invention relates to novel energy and electronic technology field, more particularly to a kind of multi-direction piezo-electric generating of burr structure
Device.
Background technology
In recent years, the continuous progress with science and technology and the high speed development of social economy, energy shortage problem are increasingly convex
It is aobvious, and the environmental degradation caused therefrom gradually starts influence socio-economic development and people's daily life.Therefore, related grinds
Study carefully personnel to have started to find and develop the exploration of novel energy, such as solar energy, wind energy, wave energy etc..Vibration is used as daily life
Common phenomenon in work, because it has higher energy density, its potential energy value has caused increasing research
The concern of person.It is presently used for realizing that the device of vibrating power-generation mainly has piezoelectric type, electromagnetic type and electrostatic three kinds.Wherein, piezoelectricity
Formula vibration generating device is extremely blue or green so that its is simple in construction, without electromagnetic interference, clean environment firendly and many advantages, such as be easy to miniaturization
Look at, for piezoelectric vibration power generation technical scheme, in theory its life-span of powering be only dependent upon each first device of composition vibration generating device
In the life-span of part, clean environment firendly is a kind of typical " green " energy technology.
Based on this, various piezoelectric type vibration TRTs are occurred in that at present, and such as cantilever beam structure, Cymbal are tied
Structure, stack shape structure etc..The present Research of piezoelectric type vibration generation technology is made a general survey of, above-mentioned vibration generating device is mainly folk prescription
To, single resonant frequency, its use occasion is very strong to the selectivity of vibration environment, there are various directions and vibration frequency one
Determine in the case of changing in scope, the generating capacity of above-mentioned piezoelectricity oscillating generating set will be very limited, limits its popular
Promote the use of.In view of the vibrational energy resource and the randomness of vibration source vibration processes enriched in external environment, how to realize
It will be direction that piezo-electric generating technical field one is highly studied that the multidirectional of piezoelectric generating device, which generates electricity,.
The content of the invention
In order to solve above-mentioned problem, the present invention provides a kind of multi-direction piezoelectric generating device of burr structure, this hair
Bright device can be converted to the vibration of multiple different directions in external environment the forced vibration of big mass and small mass, enter
And the energy converting between mechanical of fold-line-shaped PZT (piezoelectric transducer) is realized, and it is easy to use, it is practical, for up to this purpose, the present invention is provided
A kind of multi-direction piezoelectric generating device of burr structure, including it is support, annulus, sliding end, slide bar, fold-line-shaped PZT (piezoelectric transducer), big
Mass, small mass and center contiguous block, the annulus are rack-mount by two ends rotating shaft, and the center contiguous block exists
Circle ring center, described slide bar one end is connected with center contiguous block, and the slide bar other end is connected to annulus by sliding end, described
There are big mass or small mass on slide bar, the big mass and small mass two ends are distinguished by fold-line-shaped PZT (piezoelectric transducer)
It is connected with sliding end and center contiguous block;The fold-line-shaped PZT (piezoelectric transducer) is by fold-line-shaped metallic elastic substrate and at least two panels pressure
Electroceramics piece is constituted, and slide bar where slide bar where the big mass and small mass is in vertical distribution two-by-two.
Piezoelectric ceramic piece is all pasted in further improvement of the present invention, two sides of the fold-line-shaped metallic elastic substrate,
The equal Pasting piezoelectric ceramic piece of fold-line-shaped metallic elastic substrate of the present invention.
Further improvement of the present invention, the fold-line-shaped metallic elastic substrate can be designed to different length according to the actual requirements
Degree, the present invention can design corresponding sizes of substrate as needed.
A kind of multi-direction piezoelectric generating device of burr structure of the present invention, the present invention by set support, annulus, sliding end,
Slide bar, fold-line-shaped PZT (piezoelectric transducer), big mass, small mass and center contiguous block, can will be multiple in extraneous natural environment
The vibration of different directions is converted to the forced vibration of big mass and small mass in device, and then realizes fold-line-shaped piezoelectric energy-conversion
The energy converting between mechanical of device, solving existing piezoelectric generating device can only sensitive some direction vibration, the low shortcoming of generating efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of middle polyline shape PZT (piezoelectric transducer) of the present invention;
Fig. 2 is the structural representation of the present invention.
Specific part is as follows:
1st, support;2nd, annulus;
3rd, sliding end;4th, slide bar;
5th, fold-line-shaped PZT (piezoelectric transducer);51st, fold-line-shaped metallic elastic substrate;
52nd, piezoelectric ceramic piece;6th, big mass;
7th, small mass;8th, center contiguous block.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings:
The present invention provides a kind of multi-direction piezoelectric generating device of burr structure, and apparatus of the present invention can will be more in external environment
The vibration of individual different directions is converted to the forced vibration of big mass and small mass, and then realizes fold-line-shaped PZT (piezoelectric transducer)
Energy converting between mechanical, it is easy to use, it is practical.
With reference to shown in Fig. 1 and Fig. 2, a kind of multi-direction piezoelectric generating device of burr structure of present invention offer, including support 1,
Annulus 2, sliding end 3, slide bar 4, fold-line-shaped PZT (piezoelectric transducer) 5, big mass 6, small mass 7 and center contiguous block 8, divide below
Do not introduce.
Annulus 2 is supported by support 1, and slide bar 4 is fixed on annulus 2 by sliding end 3, and big mass 6 and small mass 7 are set
In on slide bar 4, and two ends are connected with sliding end 3 and center contiguous block 8 respectively by fold-line-shaped PZT (piezoelectric transducer) 5;The broken line
Shape PZT (piezoelectric transducer) 5 is made up of fold-line-shaped metallic elastic substrate 51 and multi-disc piezoelectric ceramic piece 52, sliding where the big mass 6
Bar 4 and the place slide bar 4 of small mass 7 are in vertical distribution two-by-two;Annulus 2 can be rotated on support 1;Coordinate shown in Fig. 1, this reality
Piezoelectric ceramic piece 52 is all pasted in two sides for applying the fold-line-shaped metallic elastic substrate 51 in example, to be incited somebody to action by direct piezoelectric effect
Mechanical energy is converted into electric energy, meanwhile, the fold-line-shaped metallic elastic substrate 51 can be designed to different length according to the actual requirements.
Operationally, piezoelectric generating device is placed in extraneous natural vibration environment, and is subject to by support 1 for the present embodiment
It is fixed;The big mass 6 and small mass 7 that cause in device are produced forced vibration by the dynamic excitation of different directions in environment,
And then cause the flexural deformation of fold-line-shaped PZT (piezoelectric transducer) 5, so that being pasted onto many on fold-line-shaped metallic elastic substrate 51
Piece piezoelectric ceramic piece 52 produces the change of stress and strain, according to the direct piezoelectric effect of piezoelectric, in multi-disc piezoelectric ceramic piece
Positive and negative opposite electric charge is produced on 52 positive and negative electrode face, that is, is realized by the conversion of mechanical energy to electric energy.Work as piezo-electric generating
Device by lasting different directions dynamic excitation when, big mass 6 and small mass 7 are constantly slided up and down along slide bar 4,
So that the continual generation electric energy of the multi-disc piezoelectric ceramic piece 52 being pasted onto on fold-line-shaped metallic elastic substrate 51.
In summary, a kind of multi-direction piezoelectric generating device of burr structure proposed by the present invention, being capable of sensitive multiple differences
The external environment vibration in direction, and external environment is encouraged to the flexural vibrations for being converted to fold-line-shaped metallic elastic substrate 51, and then
The conversion by mechanical energy to electric energy is realized, device has simple in construction, and service life is long, the advantages of generated energy is big.
The above described is only a preferred embodiment of the present invention, being not the limit for making any other form to the present invention
System, and any modification made according to technical spirit of the invention or equivalent variations, still fall within model claimed of the invention
Enclose.
Claims (3)
1. a kind of multi-direction piezoelectric generating device of burr structure, including support(1), annulus(2), sliding end(3), slide bar(4), folding
Linear PZT (piezoelectric transducer)(5), big mass(6), small mass(7)With center contiguous block(8), it is characterised in that:The annulus
(2)Support is arranged on by two ends rotating shaft(1)On, the center contiguous block(8)In annulus(2)Center, the slide bar(4)One end
With center contiguous block(8)It is connected, the slide bar(4)The other end passes through sliding end(3)It is connected to annulus(2), the slide bar(4)On
There is big mass(6)Or small mass(7), the big mass(6)With small mass(7)Two ends pass through fold-line-shaped piezoelectric energy-conversion
Device(5)Respectively with sliding end(3)And center contiguous block(8)It is connected;The fold-line-shaped PZT (piezoelectric transducer)(5)By fold-line-shaped metal elastic
Property substrate(51)At least two panels piezoelectric ceramic piece(52)Composition, the big mass(6)Place slide bar(4)With small mass
(7)Place slide bar(4)It is in vertical distribution two-by-two.
2. a kind of multi-direction piezoelectric generating device of burr structure as claimed in claim 1, it is characterised in that:The fold-line-shaped gold
Belong to flexible substrates(51)Two sides all paste piezoelectric ceramic piece(52).
3. a kind of multi-direction piezoelectric generating device of burr structure as claimed in claim 1, it is characterised in that:The fold-line-shaped gold
Belong to flexible substrates(51)Different length can be designed to according to the actual requirements.
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CN107271800A (en) * | 2017-06-13 | 2017-10-20 | 中国石油大学(华东) | A kind of detection means and method based on geology mineral piezoelectricity |
CN107508497A (en) * | 2017-08-28 | 2017-12-22 | 佛山市顺德区中山大学研究院 | A kind of vibration energy collector of folded form |
CN108880328A (en) * | 2018-08-24 | 2018-11-23 | 石河子大学 | A kind of Z-type piezoelectric vibrator |
CN109113935B (en) * | 2018-09-29 | 2024-03-15 | 扬州大学 | Spherical wind power piezoelectric power generation device |
CN111342702A (en) * | 2020-04-20 | 2020-06-26 | 金陵科技学院 | Piezoelectric power generation device for toy wheel |
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CN1985380A (en) * | 2004-10-21 | 2007-06-20 | 米其林技术公司 | Miniatured piezoelectric based vibrational energy harvester |
CN103856103B (en) * | 2012-12-04 | 2016-04-06 | 北京嘉岳同乐极电子有限公司 | Shaking generating set |
CN103701363B (en) * | 2014-01-03 | 2016-01-06 | 金陵科技学院 | A kind of multi-direction piezoelectric-electrcombinedc combinedc energy gathering apparatus |
CN205545002U (en) * | 2016-01-26 | 2016-08-31 | 金陵科技学院 | Multi -direction piezoelectric power generating device of collar structure |
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