CN104485838B - Stack type dielectric elastomer wave energy collector - Google Patents
Stack type dielectric elastomer wave energy collector Download PDFInfo
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- CN104485838B CN104485838B CN201410612580.XA CN201410612580A CN104485838B CN 104485838 B CN104485838 B CN 104485838B CN 201410612580 A CN201410612580 A CN 201410612580A CN 104485838 B CN104485838 B CN 104485838B
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- dielectric elastomer
- wave energy
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- collection device
- energy collection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The invention relates to a stack type dielectric elastomer wave energy collector and solves problems of complex structure, large volume, large mass, low energy conversion efficiency, high noise and low material energy density existing in an energy collector in the prior art. A dielectric elastomer transduction element comprises 50-60 circular dielectric elastomer films which are sequentially stacked from up to down, upper and lower end faces of each circular dielectric elastomer film are respectively coated with a flexible electrode, a star-shaped disc, an upper board, a lower board and a floating body are horizontally arranged sequentially from up to down, three sleeves and three supporting columns are arranged between the upper board and the lower board in a staggered mode, each sleeve and upper ends of and the supporting columns are respectively fixedly connected with the upper board, lower ends of the supporting columns are respectively fixedly connected with the lower board, the sleeves are internally equipped with the dielectric elastomer transduction elements and press hammers, upper ends of the press hammers are hinged with a first support seat, an upper end of a pull rod is hinged with a second support seat, the lower end of the pull rod penetrates through center holes of the upper board and the lower board and then is connected with a rigid rope, and the lower end of the rigid rope penetrates through an inner hole of the floating body. The stack type dielectric elastomer wave energy collector is applied to low-frequency large-deformation energy source power generating occasions.
Description
Technical field
The present invention relates to a kind of energy harvester is and in particular to a kind of stacking-type dielectric elastomer wave energy collection device.
Background technology
Existing energy harvester often drives generator operation to realize electric transformation of energy using environmental energy, therefore,
This kind of energy collecting system haves such problems as that complex structure, volume are big and heaviness, energy conversion efficiency are low, it is big to produce noise；With
When the new different-energy transfer principle based on various intellectual materials energy harvester there is the energy density of material again
Low, response time length, be difficult processing and manufacturing, the problems such as corrosion-vulnerable is destroyed, therefore existing energy harvester be difficult to low frequency,
The occasion that large deformation energy source the generates electricity such as field such as the wave-activated power generation in ocean, river, lake application.
Content of the invention
The present invention is the complex structure of solution existing energy harvester presence, volume is big, quality is big, energy conversion efficiency
Low, noise is big, material energy densities are low, response time length, be difficult processing and manufacturing, problem that corrosion-vulnerable is destroyed, and provide one
Plant stacking-type dielectric elastomer wave energy collection device.
The stacking-type dielectric elastomer wave energy collection device of the present invention include upper plate, lower plate, buoyancy aid, star-disc, pull bar,
Rigidity rope, the second bearing, at least three dielectric elastomer inverting elements, at least three sleeves, at least three pillars, three supports
Lower limb, three hammers and three the first bearings, described dielectric elastomer inverting element is by 50～60 circular dielectric elastomeric body thin films
Storehouse forms successively up and down, and the upper and lower end face of each circular dielectric elastomeric body thin film is all coated with flexible electrode, star-disc, on
Plate, lower plate and buoyancy aid are from top to bottom horizontally disposed with successively, three sleeves and three pillar interlaced arrangement between upper plate and lower plate,
Each sleeve is all fixedly connected with upper plate with the upper end of pillar, and each sleeve is all fixedly connected with lower plate with the lower end of pillar, often
From the bottom to top equipped with a dielectric elastomer inverting element and a hammer in individual sleeve, the upper end of hammer passes through upper plate and first
Bearing is hinged, and the first bearing is packed in star-disc, and three rack legs and three pillars correspond, one end of rack leg with
Post is fixedly connected, and the other end of rack leg is fixedly connected with buoyancy aid, and described second bearing is packed in the center of star-disc lower surface
Place, the upper end of pull bar is hinged with the second bearing, and the lower end of pull bar passes through upper plate to be connected with rigidity rope with after the centre bore of lower plate, just
Property rope lower end pass through buoyancy aid endoporus after lashed in bottom of gullet.
The present invention has the advantages that compared with the conventional method
First, because the dielectric elastomer inverting element of the present invention is by 50～60 circular upper and lower heaps of dielectric elastomeric body thin film
Stack forms, and circular dielectric elastomeric body thin film is a kind of soft insulating material, changed by material internal structure and stretch, curved
Bent, tighten and expand.Dielectric elastomer inverting element can produce large deformation in the presence of extra electric field with mechanical force, thus
Realize mechanical energy to electric transformation of energy, the material energy densities of the present invention are low, energy conversion efficiency is high, noise is little.The present invention has
Have the advantages that structure is simple, small volume, quality are little, response time is short, easy processing manufacture, be difficult by corrosion failure.
2nd, the present invention is suitable for the wave in occasion such as ocean, river, lake etc. in low frequency, the generating of large deformation energy source
Power field is applied.
Brief description
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of dielectric elastomer inverting element 1；
Fig. 3 is the a-a sectional view of Fig. 1；
Fig. 4 is the energy collection circuit figure of the present invention.
Specific embodiment
Specific embodiment one: with reference to Fig. 1～Fig. 3 illustrate present embodiment, present embodiment include upper plate 3, lower plate 4,
Buoyancy aid 7, star-disc 10, pull bar 11, rigidity rope the 12, second bearing 13, at least three dielectric elastomer inverting elements 1, at least three
Individual sleeve 2, at least three pillars, 6, three hammers 8 of 5, three rack legs and three the first bearings 9, dielectric elastomer inverting element
1 by 50～60 circular dielectric elastomeric body thin film 1-1 up and down successively storehouse form, each circular dielectric elastomeric body thin film 1-1's
Upper and lower end face is all coated with flexible electrode 1-2, and star-disc 10, upper plate 3, lower plate 4 and buoyancy aid 7 are from top to bottom horizontally disposed with successively,
, between upper plate 3 and lower plate 4, the upper end of each sleeve 2 and pillar 5 is all and upper plate for three sleeves 2 and three pillar 5 interlaced arrangement
3 are fixedly connected, and each sleeve 2 is all fixedly connected with lower plate 4 with the lower end of pillar 5, from the bottom to top equipped with one in each sleeve 2
Dielectric elastomer inverting element 1 and a hammer 8, the upper end of hammer 8 passes through upper plate 3 hinged with the first bearing 9, the first bearing 9
It is packed in star-disc 10, three rack legs 6 are corresponded with three pillars 5, and one end of rack leg 6 is fixedly connected with pillar 5,
The other end of rack leg 6 is fixedly connected with buoyancy aid 7, and described second bearing 13 is packed in the center of star-disc 10 lower surface, draws
The upper end of bar 11 is hinged with the second bearing 13, the lower end of pull bar 11 pass through after upper plate 3 and the centre bore of lower plate 4 with rigidity rope 12 phases
Even, the lower end of rigidity rope 12 is lashed in tank 14 bottom through after the endoporus of buoyancy aid 7.Several layers of circular dielectric elastomeric body thin film 1-
1 before storehouse, first single circle dielectric elastomeric body thin film 1-1 being pre-stretched, can reducing film thickness, thus increasing Jie
The mutual capacitance of electric elastomer thin film, improves the energy transformed scale of energy harvester.Circular dielectric elastomeric body thin film 1-1's is straight
Footpath is big, and area increases, thus increasing the mutual capacitance of circular dielectric elastomeric body thin film 1-1, the energy improving energy harvester turns
Change scale.The quantity of circular dielectric elastomeric body thin film 1-1 is many, and the thickness of dielectric elastomer inverting element 1 increases, thus increasing Jie
The mutual capacitance of electric elastomer inverting element 1, improves the energy transformed scale of energy harvester.Increase the number of sleeve 2, to increase
Plus the quantity of dielectric elastomer inverting element 1, thus improve the energy transformed scale of energy harvester.
Specific embodiment two: present embodiment, the dielectric elastomer inverting element 1 of present embodiment are described with reference to Fig. 2
Formed by push-down stack on 55 circular dielectric elastomeric body thin film 1-1.The quantity of circular dielectric elastomeric body thin film 1-1 is many, dielectric bullet
The thickness of gonosome inverting element 1 increases, thus increasing the mutual capacitance of dielectric elastomer inverting element 1, improves energy harvester
Energy transformed scale.Other compositions and annexation are identical with specific embodiment one.
Specific embodiment three: present embodiment, the circular dielectric elastomeric body thin film 1- of present embodiment are described with reference to Fig. 2
1 is made up of silastic material.It is arranged such, film deformation quantity is big, driver deformation is big.Other compositions and annexation with concrete
Embodiment one or two is identical.
Specific embodiment four: with reference to Fig. 2, present embodiment is described, before the silastic material solidification of present embodiment,
Barium titanate powder, CNT or Graphene is added, the addition of barium titanate powder, CNT or Graphene is in silicone rubber
The 1%～5% of silicone rubber quality.It is arranged such, to improve the relative dielectric constant of dielectric elastomer, thus increasing dielectric elastomeric
The mutual capacitance of body thin film, energization transformed scale.Other compositions and annexation are identical with specific embodiment three.
Specific embodiment five: present embodiment, the barium titanate powder of present embodiment, CNT are described with reference to Fig. 2
Or the addition of Graphene is the 3% of silicone rubber quality.It is arranged such, to improve the relative dielectric constant of dielectric elastomer, from
And increase the mutual capacitance of dielectric elastomeric body thin film, energization transformed scale.Other compositions and annexation be embodied as
Mode four is identical.
Specific embodiment six: with reference to Fig. 2, present embodiment is described, the flexible electrode 1-2 of present embodiment is by graphite material
Material is made.It is arranged such, flexibility is more preferable, deformation is bigger.Other compositions and annexation are identical with specific embodiment four.
Specific embodiment seven: with reference to Fig. 3, present embodiment is described, three sleeves 2 of present embodiment are along same circumference
It is uniformly arranged, three pillars 5 are arranged along same circumference uniform distribution.It is arranged such so that distribution of weight is uniform, to improve catcher
Stability.Other compositions and annexation are identical with specific embodiment six.
Specific embodiment eight: with reference to Fig. 1, present embodiment is described, the sleeve 2 of present embodiment, upper plate 3 and lower plate 4 are equal
It is made up of pmma material.It is arranged such so that the architecture quality of stacking-type dielectric elastomer wave energy collection device is lighter,
To increase energy conversion efficiency.Other compositions and annexation are identical with specific embodiment seven.
Specific embodiment nine: present embodiment, the pillar 5 of present embodiment, rack leg 6, star-disc are described with reference to Fig. 1
10 first bearings 9 and the second bearing 13 are made by duralumin, hard alumin ium alloy 2a12 material.It is arranged such, stacking-type dielectric elastomer wave
The architecture quality of energy harvester is lighter, increases energy conversion efficiency.Other compositions and annexation and specific embodiment eight
Identical.
Specific embodiment ten: with reference to Fig. 1, present embodiment is described, the buoyancy aid 7 of present embodiment is made up of foaming pe plate.
It is arranged such, stacking-type dielectric elastomer wave energy collection device can be made to float on the water surface.Other compositions and annexation
Identical with specific embodiment nine.
The operation principle of the present invention: referring to Fig. 1 and Fig. 4, flexible electrode 1-2 extraction electrode line 1-3 and power supply e and energy storage electricity
Hold csConnect, stacking-type dielectric elastomer wave energy collection device is placed in microswitch s in tank 14, in circuit1Disconnect,
s2Closure, when liquid level rises, pull bar 11 makes the relative altitude of hammer 8 will not substantially change with rigidity rope 12, and buoyancy aid 7 passes through
Rack leg 6, pillar 5, lower plate 4, sleeve 2 and upper plate 3 drive dielectric elastomer inverting element 1 to move upwards, so that dielectric
Elastomer inverting element 1 is compressed, and electric capacity increases.When dielectric elastomer inverting element 1 is compressed to a certain degree, fine motion is opened
Close s1Closure, s2Disconnect, high voltage power supply e charges to dielectric elastomer inverting element 1, and electricity is constant.When liquid level declines, pull bar
11 make the relative altitude of hammer 8 will not substantially change with rigidity rope 12, and buoyancy aid 7 passes through rack leg 6, pillar 5, lower plate 4, sleeve
2 and upper plate 3 drive dielectric elastomer inverting element 1 move downward, so that dielectric elastomer inverting element 1 recovers initial shape
Shape, electric capacity reduces.Due to dielectric elastomer inverting element 1 two ends electricity constant so that its both end voltage raise, stored electric energy
Raise.Meanwhile, microswitch s2Instantaneous closure, s1Disconnect, dielectric elastomer inverting element 1 (cg) its electric energy is stored in storage
Can electric capacity csIn.So far complete the conversion that one-time mechanical can arrive electric energy.When the water surface produces continuous fluctuation, above procedure can circulate
Reciprocal occur, thus completing mechanical energy again and again to electric energy.
Claims (10)
1. a kind of stacking-type dielectric elastomer wave energy collection device, described catcher includes upper plate (3), lower plate (4), buoyancy aid
(7), star-disc (10), pull bar (11), rigidity rope (12), the second bearing (13), at least three dielectric elastomer inverting elements
(1), at least three sleeves (2), at least three pillars (5), three rack legs (6), three hammers (8) and three the first bearings
(9) it is characterised in that: described dielectric elastomer inverting element (1) is by 50～60 circular dielectric elastomeric body thin films (1-1) up and down
Storehouse forms successively, and the upper and lower end face of each circular dielectric elastomeric body thin film (1-1) is all coated with flexible electrode (1-2), star
Disk (10), upper plate (3), lower plate (4) and buoyancy aid (7) are from top to bottom horizontally disposed with successively, three sleeves (2) and three pillars (5)
Between upper plate (3) and lower plate (4), each sleeve (2) is all fixedly connected with upper plate (3) interlaced arrangement with the upper end of pillar (5),
Each sleeve (2) is all fixedly connected with lower plate (4) with the lower end of pillar (5), is situated between equipped with one from the bottom to top in each sleeve (2)
Electric elastomer inverting element (1) and a hammer (8), the upper end of hammer (8) passes through upper plate (3) hinged with the first bearing (9), the
One bearing (9) is packed in star-disc (10), and three rack legs (6) are corresponded with three pillars (5), and the one of rack leg (6)
End is fixedly connected with pillar (5), and the other end of rack leg (6) is fixedly connected with buoyancy aid (7), and described second bearing (13) is packed in
The center of star-disc (10) lower surface, the upper end of pull bar (11) is hinged with the second bearing (13), and the lower end of pull bar (11) passes through
Upper plate (3) is connected with rigid rope (12) with after the centre bore of lower plate (4), and the lower end of rigidity rope (12) passes through the endoporus of buoyancy aid (7)
Lashed afterwards in tank (14) bottom.
2. according to claim 1 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described dielectric elastomeric
By 55 circular dielectric elastomeric body thin films (1-1), above push-down stack forms body inverting element (1).
3. stacking-type dielectric elastomer wave energy collection device according to claim 1 or claim 2 it is characterised in that: described circle
Dielectric elastomeric body thin film (1-1) is made up of silastic material.
4. according to claim 3 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described silicone rubber material
Before material solidification, silicone rubber adds barium titanate powder, CNT or Graphene, barium titanate powder, CNT or graphite
The addition of alkene is the 1%～5% of silicone rubber quality.
5. according to claim 4 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described barium titanate powder
The addition of end, CNT or Graphene is the 3% of silicone rubber quality.
6. according to claim 4 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described flexible electrode
(1-2) it is made up of graphite material.
7. according to claim 6 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described three sleeves
(2) arrange along same circumference uniform distribution, three pillars (5) are arranged along same circumference uniform distribution.
8. according to claim 7 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described sleeve (2),
Upper plate (3) and lower plate (4) are made by pmma material.
9. according to claim 8 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described pillar (5),
Rack leg (6), star-disc (10), the first bearing (9) and the second bearing (13) are made by duralumin, hard alumin ium alloy 2a12 material.
10. according to claim 9 stacking-type dielectric elastomer wave energy collection device it is characterised in that: described buoyancy aid (7)
It is made up of foaming pe plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410612580.XA CN104485838B (en) | 2014-11-04 | 2014-11-04 | Stack type dielectric elastomer wave energy collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410612580.XA CN104485838B (en) | 2014-11-04 | 2014-11-04 | Stack type dielectric elastomer wave energy collector |
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| CN104485838B true CN104485838B (en) | 2017-01-18 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787069A (en) * | 2016-12-15 | 2017-05-31 | 电子科技大学 | A kind of ambient vibration energy acquisition control system based on dielectric elastomer |
| CN106870270A (en) * | 2017-04-05 | 2017-06-20 | 浙江师范大学 | A kind of tidal power machine structure design using multi-stacked formula dielectric elastomer |
| CN107947568B (en) * | 2017-11-30 | 2020-08-07 | 电子科技大学 | Power generation floor based on dielectric elastomer |
| CN111932978B (en) * | 2020-08-19 | 2021-12-14 | 武汉交通职业学院 | Hanging type test platform |
| CN112421984B (en) * | 2020-11-18 | 2022-12-09 | 泉州铕之易工程管理有限公司 | Stack type dielectric elastomer wave energy collector |
| CN112814831A (en) * | 2020-12-31 | 2021-05-18 | 新源动力股份有限公司 | Wave energy generator utilizing dielectric elastomer to generate electricity |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404490A (en) * | 1983-09-12 | 1983-09-13 | Taylor George W | Power generation from waves near the surface of bodies of water |
| US4685296A (en) * | 1986-07-21 | 1987-08-11 | Burns Joseph R | Ocean wave energy conversion using piezoelectric material members |
| WO2007029275A1 (en) * | 2005-09-05 | 2007-03-15 | Federico Carpi | Electroactive polymer based actuator, sensor and generator with folded configuration |
| CN102345552A (en) * | 2010-07-30 | 2012-02-08 | 昆山攀特电陶科技有限公司 | Piezoelectric sea wave power generation system |
| CN203009151U (en) * | 2012-12-12 | 2013-06-19 | 山东科技大学 | Small piezoelectric type wave power generation device |
| CN203135752U (en) * | 2013-03-14 | 2013-08-14 | 上海电机学院 | Wave piezoelectric power-generating device |
| CN103490666A (en) * | 2012-06-11 | 2014-01-01 | 王梦川 | Wave power generation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010111376A1 (en) * | 2009-03-25 | 2010-09-30 | Nikhil Bhat | Energy harvesting system |
-
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- 2014-11-04 CN CN201410612580.XA patent/CN104485838B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404490A (en) * | 1983-09-12 | 1983-09-13 | Taylor George W | Power generation from waves near the surface of bodies of water |
| US4685296A (en) * | 1986-07-21 | 1987-08-11 | Burns Joseph R | Ocean wave energy conversion using piezoelectric material members |
| WO2007029275A1 (en) * | 2005-09-05 | 2007-03-15 | Federico Carpi | Electroactive polymer based actuator, sensor and generator with folded configuration |
| CN102345552A (en) * | 2010-07-30 | 2012-02-08 | 昆山攀特电陶科技有限公司 | Piezoelectric sea wave power generation system |
| CN103490666A (en) * | 2012-06-11 | 2014-01-01 | 王梦川 | Wave power generation device |
| CN203009151U (en) * | 2012-12-12 | 2013-06-19 | 山东科技大学 | Small piezoelectric type wave power generation device |
| CN203135752U (en) * | 2013-03-14 | 2013-08-14 | 上海电机学院 | Wave piezoelectric power-generating device |
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