CN108923681A - A kind of contact dielectric elastomer electric generator structure - Google Patents
A kind of contact dielectric elastomer electric generator structure Download PDFInfo
- Publication number
- CN108923681A CN108923681A CN201810916508.4A CN201810916508A CN108923681A CN 108923681 A CN108923681 A CN 108923681A CN 201810916508 A CN201810916508 A CN 201810916508A CN 108923681 A CN108923681 A CN 108923681A
- Authority
- CN
- China
- Prior art keywords
- thin film
- elastomeric body
- body thin
- cylindrical shell
- inner cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920002595 Dielectric elastomer Polymers 0.000 title claims abstract description 23
- 239000010409 thin film Substances 0.000 claims abstract description 34
- 239000011324 bead Substances 0.000 claims abstract description 26
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/06—Influence generators
- H02N1/08—Influence generators with conductive charge carrier, i.e. capacitor machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulating Bodies (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of contact dielectric elastomer electric generator structures, including cylindrical shell, end cap, rigid bead, dielectric elastomeric body thin film, graphite electrode, fixing screws and inner cavity, wherein：Inner cavity is equipped in the cylindrical shell, it is interior intracavitary equipped with rigid bead, cylindrical shell both ends are fixedly installed with end cap by fixing screws, dielectric elastomeric body thin film is equipped between cylindrical shell and end cap, graphite electrode is equipped with by proximal cover side on dielectric elastomeric body thin film, the diameter of rigid bead is greater than the length of inner cavity, and dielectric elastomeric body thin film is stretched.Rigid the small ball's diameter of the invention is less than the diameter and critical contact both ends dielectric elastomeric body thin film of the inner cavity of cylindrical shell, so that both ends dielectric elastomeric body thin film is stretched 2.5 times, can effectively improve collision efficiency；Have the characteristics that structure is simple, easy for installation, at low cost and applied widely.
Description
Technical field
The present invention relates to technical field of generators more particularly to a kind of contact dielectric elastomer electric generator structures.
Background technique
The features such as dielectric elastomer generator has material deformation range big, and electromechanical conversion efficiency is high, portable construction, it is wide
It is general to apply to power field.From environmental, absorbing the energy is mostly the clean vibration such as tide energy, wind energy etc., ambient noise
Energy has certain feature of environmental protection.Dielectric elastomer generator is a kind of novel electricity generator based on variable capacitance principle,
Structurally it is divided into three layers：Upper and lower level (surface) coating is flexible electrode, and centre is dielectric elastomeric body thin film.In external vibration
Under excitation, bead moves between the elastomer thin film of both ends, and thin film shape constantly stretches and restores, and the variation of capacitor occurs, from
And realize conversion of the vibrational energy to electric energy.The external drive of contact dielectric elastomer generator can be the vibration of diversified forms
The energy, can be in efficient operation under broadband excitation, and the following application scenarios are extensive.Currently, dielectric elastomer generator type compares
It is more, and for contact dielectric elastomer generator, bead makes this process of dielectric elastomeric deformation of thin membrane be face contact, this
The loss for greatly reducing mechanical energy, improves energy conversion efficiency；It is unrestricted that energy source type is absorbed simultaneously, need to only make inside
All energy that bead can move between the elastomer thin film of both ends, therefore the contact dielectric elastomer generator operation strategies are more
Extensively.
Summary of the invention
It is thin the purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of rigid bead moment contact dielectric elastomer
Film and than wider frequency ranges of operation, the contact dielectric that structure is simple, easy for installation, at low cost and applied widely
Elastic body electric generating machine structure.
Technical scheme is as follows：A kind of contact dielectric elastomer electric generator structure, including cylindrical shell, end
Lid, rigid bead, dielectric elastomeric body thin film, graphite electrode, fixing screws and inner cavity, wherein：It is equipped in the cylindrical shell interior
Chamber, it is interior it is intracavitary be equipped with rigid bead, cylindrical shell both ends are fixedly installed with end cap by fixing screws, cylindrical shell and end cap it
Between be equipped with dielectric elastomeric body thin film, be equipped with graphite electrode, the diameter of rigid bead by proximal cover side on dielectric elastomeric body thin film
Greater than the length of inner cavity, dielectric elastomeric body thin film is stretched.
Preferably, the diameter of the rigid bead is less than intracavity diameter.
Preferably, the dielectric elastomeric body thin film has been stretched 2.5 times.
Preferably, the rigid bead is made of stainless steel material.
Preferably, the cylindrical shell and end cap are all made of acrylic material and are made.
Technical effect and advantage of the invention：
1, the present invention is under external vibrational excitation, and rigid bead moves between the dielectric elastomeric body thin film of both ends, film shape
Shape constantly stretches and restores, and the variation of capacitor occurs, to realize conversion of the vibrational energy to electric energy；
2, cylindrical shell of the invention, end cap and flange are all made of acrylic material and are made, and generating efficiency can be improved, and reduce
Charge leakage；
3, rigid the small ball's diameter of the invention is less than the diameter and critical contact both ends dielectric bullet of the inner cavity of cylindrical shell
Property body thin film, make both ends dielectric elastomeric body thin film stretch 2.5 times, can effectively improve collision efficiency；
4, the present invention has the characteristics that structure is simple, easy for installation, at low cost and applied widely.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure：1- cylindrical shell, 2- end cap, 3- rigidity bead, 4- dielectric elastomeric body thin film, 5- graphite electrode, 6- are fixed
Screw, the inner cavity 7-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1, referring to Fig. 1, a kind of contact dielectric elastomer electric generator structure, including cylindrical shell 1, end cap 2,
Rigid bead 3, dielectric elastomeric body thin film 4, graphite electrode 5, fixing screws 6 and inner cavity 7, wherein：It is equipped in the cylindrical shell 1
Inner cavity 7, inner cavity 7 is interior to be equipped with rigid bead 3, and 1 both ends of cylindrical shell are fixedly installed with end cap 2, cylindrical shell by fixing screws 6
It is equipped with dielectric elastomeric body thin film 4 between 1 and end cap 2, leans on 2 side of proximal cover to be equipped with graphite electrode 5 on dielectric elastomeric body thin film 4,
The diameter of rigid bead 3 is greater than the length of inner cavity 7, and dielectric elastomeric body thin film 4 is stretched.
Embodiment 2, referring to Fig. 1, a kind of contact dielectric elastomer electric generator structure, wherein：The diameter of rigid bead 3
Less than 7 diameter of inner cavity, be conducive to the collision efficiency for improving rigid bead 3 and both ends dielectric elastomeric body thin film 4.Remaining same embodiment
1。
Embodiment 3, referring to Fig. 1, a kind of contact dielectric elastomer electric generator structure, wherein：Dielectric elastomeric body thin film 4
It has been stretched 2.5 times, can effectively improve collision efficiency.Remaining is the same as embodiment 1.
Embodiment 4, referring to Fig. 1, a kind of contact dielectric elastomer electric generator structure, wherein：Rigid bead 3 is stainless
Steel material is made, and is conducive to improve generating efficiency, reduces charge leakage.Remaining is the same as embodiment 1.
Embodiment 5, referring to Fig. 1, a kind of contact dielectric elastomer electric generator structure, wherein：Cylindrical shell 1 and end cap
2, which are all made of acrylic material, is made, and is conducive to improve generating efficiency, reduces charge leakage.Remaining is the same as embodiment 1.
Working principle of the present invention：When work, a cavity is formed using the dielectric elastomeric body thin film 4 at 1 both ends of cylindrical shell
7, cavity 7 is interior to place a rigid bead 3, and guarantees that rigid bead 3 makes the dielectric elastomeric body thin film 4 at both ends be stretched 2.5 times,
In dynamic excitation, rigid bead 3 continuously collides dielectric elastomeric body thin film 4, in collision process each time, dielectric elastomeric
Body thin 4 is stretched, and so as to cause surface area increase, thickness reduces and capacitor increases, and in collision gap, dielectric elastomeric body thin film
4 capacitor restores initial value, bigger output electric energy is generated, to realize that vibrational energy acquires and exports electric energy.
Claims (5)
1. a kind of contact dielectric elastomer electric generator structure, including cylindrical shell (1), end cap (2), rigid bead (3), dielectric
Elastomer thin film (4), graphite electrode (5), fixing screws (6) and inner cavity (7), it is characterised in that：It is set in the cylindrical shell (1)
Have inner cavity (7), rigid bead (3) is equipped in inner cavity (7), cylindrical shell (1) both ends are fixedly installed with end by fixing screws (6)
It covers (2), is equipped with dielectric elastomeric body thin film (4) between cylindrical shell (1) and end cap (2), proximal end is leaned on dielectric elastomeric body thin film (4)
It covers (2) side and is equipped with graphite electrode (5), the diameter of rigid bead (3) is greater than the length of inner cavity (7), dielectric elastomeric body thin film (4)
It is stretched.
2. a kind of contact dielectric elastomer electric generator structure according to claim 1, it is characterised in that：The rigidity is small
The diameter of ball (3) is less than inner cavity (7) diameter.
3. a kind of contact dielectric elastomer electric generator structure according to claim 1, it is characterised in that：The dielectric bullet
Property body thin film (4) has been stretched 2.5 times.
4. a kind of contact dielectric elastomer electric generator structure according to claim 1, it is characterised in that：The rigidity is small
Ball (3) is made of stainless steel material.
5. a kind of contact dielectric elastomer electric generator structure according to claim 1, it is characterised in that：Outside the cylinder
Shell (1) and end cap (2) are all made of acrylic material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916508.4A CN108923681B (en) | 2018-08-13 | 2018-08-13 | Contact dielectric elastomer generator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916508.4A CN108923681B (en) | 2018-08-13 | 2018-08-13 | Contact dielectric elastomer generator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108923681A true CN108923681A (en) | 2018-11-30 |
| CN108923681B CN108923681B (en) | 2024-05-03 |
Family
ID=64404460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916508.4A Active CN108923681B (en) | 2018-08-13 | 2018-08-13 | Contact dielectric elastomer generator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108923681B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373938A (en) * | 2007-08-24 | 2009-02-25 | 财团法人工业技术研究院 | Piezoelectric generating unit structure |
| CN101459390A (en) * | 2008-12-30 | 2009-06-17 | 浙江师范大学 | Application of dielectric elastomer on electricity generator |
| CN104104261A (en) * | 2013-04-12 | 2014-10-15 | 纳米新能源（唐山）有限责任公司 | Power generation system |
| CN104104260A (en) * | 2013-04-12 | 2014-10-15 | 纳米新能源（唐山）有限责任公司 | Power generation system |
| CN104242721A (en) * | 2014-09-15 | 2014-12-24 | 湖北三江航天红林探控有限公司 | Flexible actuator |
| CN104789139A (en) * | 2015-04-15 | 2015-07-22 | 浙江大学 | Reversible adhesive device based on dielectric elastomer |
| CN105656344A (en) * | 2016-03-02 | 2016-06-08 | 北京石油化工学院 | Automobile tire electricity generation device based on dielectric elastomer |
| CN106602924A (en) * | 2016-11-18 | 2017-04-26 | 北京纳米能源与系统研究所 | Frictional nano-generator for collecting vibration energy and vibration sensor |
| CN107061208A (en) * | 2017-06-14 | 2017-08-18 | 苏州赛易特环保科技有限公司 | A kind of shaking generation device |
| CN208539802U (en) * | 2018-08-13 | 2019-02-22 | 南昌大学 | A kind of novel touch dielectric elastomer electric generator structure |
-
2018
- 2018-08-13 CN CN201810916508.4A patent/CN108923681B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373938A (en) * | 2007-08-24 | 2009-02-25 | 财团法人工业技术研究院 | Piezoelectric generating unit structure |
| CN101459390A (en) * | 2008-12-30 | 2009-06-17 | 浙江师范大学 | Application of dielectric elastomer on electricity generator |
| CN104104261A (en) * | 2013-04-12 | 2014-10-15 | 纳米新能源（唐山）有限责任公司 | Power generation system |
| CN104104260A (en) * | 2013-04-12 | 2014-10-15 | 纳米新能源（唐山）有限责任公司 | Power generation system |
| CN104242721A (en) * | 2014-09-15 | 2014-12-24 | 湖北三江航天红林探控有限公司 | Flexible actuator |
| CN104789139A (en) * | 2015-04-15 | 2015-07-22 | 浙江大学 | Reversible adhesive device based on dielectric elastomer |
| CN105656344A (en) * | 2016-03-02 | 2016-06-08 | 北京石油化工学院 | Automobile tire electricity generation device based on dielectric elastomer |
| CN106602924A (en) * | 2016-11-18 | 2017-04-26 | 北京纳米能源与系统研究所 | Frictional nano-generator for collecting vibration energy and vibration sensor |
| CN107061208A (en) * | 2017-06-14 | 2017-08-18 | 苏州赛易特环保科技有限公司 | A kind of shaking generation device |
| CN208539802U (en) * | 2018-08-13 | 2019-02-22 | 南昌大学 | A kind of novel touch dielectric elastomer electric generator structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108923681B (en) | 2024-05-03 |
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