CN109039144A - A kind of flexible friction power generator based on 3D printing technique - Google Patents
A kind of flexible friction power generator based on 3D printing technique Download PDFInfo
- Publication number
- CN109039144A CN109039144A CN201811000103.2A CN201811000103A CN109039144A CN 109039144 A CN109039144 A CN 109039144A CN 201811000103 A CN201811000103 A CN 201811000103A CN 109039144 A CN109039144 A CN 109039144A
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- support portion
- frictional layer
- bottom plate
- back electrode
- power generator
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- 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
- H02N1/04—Friction generators
Abstract
The flexible friction power generator based on 3D printing technique that the invention discloses a kind of, including pedestal and friction element, friction element attaches on the base, pedestal includes bottom plate and support unit, bottom plate has multiple, each bottom plate is arranged in parallel up and down, multiple groups support unit is equipped between two adjacent bottom plates, every group of support unit includes upper support portion and lower support portion, wherein, the middle part of upper support portion is upward and is fixedly connected with the bottom plate being located above, the middle part of lower support portion is fixedly connected to lower process and with underlying bottom plate, upper support portion and lower support portion are hinged, friction element has multiple groups, it is respectively arranged on pedestal, every group of friction element includes the first frictional layer, first back electrode and the second frictional layer, first frictional layer is attached on the first back electrode, first frictional layer and the second frictional layer are correspondingly arranged up and down.The present invention can be improved friction nanometer generating device output performance, reduce the cost of manufacture of friction nanometer generating device.
Description
Technical field
The invention belongs to technical field of generators, and in particular to a kind of flexible friction power generation dress based on 3D printing technique
It sets.
Background technique
Wearable device and portable electronic device are because of its light, fabulous flexibility, operational safety, good with human body
The advantages that compatible, is widely used to the numerous areas such as wireless communication, multifunctional entertainment, human health monitoring.These electronics are set
Standby to be both needed to stable energy source driving, the energy storage device as battery and supercapacitor is widely used in being commercialized
Wearable and electronic equipment, however this traditional energy storage device needs external power supply to charge, and need periodically into
Row maintenance replacement, it is with high costs and cumbersome.
Friction nanometer power generator is as a kind of emerging collection of energy and conversion equipment, and because of its simple structure, selection is extensive,
It is low in cost, the advantages that energy conversion efficiency is high, since 2012 teach team's invention by Wang Zhonglin in worldwide
Cause the concern of many researchers.Self actuating system based on friction nanometer power generator can be by the mechanical energy in ambient enviroment
It is converted into electric energy, for energy stores or directly drives application system, and friction nanometer power generator has been realized and such as transported human body
Dynamic, mechanical oscillation, wind energy, sound wave, raindrop and wave etc. are converted into electric energy, and are expected to the key as the new era blue energy
Technology, exploring the immense ocean that huge energy is contained in exploitation to the mankind has important researching value and business potential.
However, existing friction nanometer power generator as a kind of collection of energy and turns there are still in place of some technical deficiencies
Changing device, applied generalization are largely dependent upon personalized model structure, and with wearable device, it is portable
When this more light product such as electronic equipment combines, also require that it with light, flexibility friction nanometer power generator
Well, the features such as output power is high, and be fabricated to traditional diamond-making technique high, that machining accuracy is low and fettered friction nanometer power generator
Development and application.
3D printing technique can theoretically process the threedimensional model of arbitrarily complicated structure, using 3D printing technique advantage with
Emerging friction nanometer power generator technology combines, and uses flexible consumptive material as 3D printing material, can largely drop
The cost of manufacture of less flexible friction nanometer power generator, innovation and the personalized designs for promoting flexible friction nano generator model are empty
Between, the extent of spreading amd application of flexible friction nano generator is greatly widened, more chances are provided to solve energy problem, to make
Good fortune human society.
Summary of the invention
The flexible friction power generator based on 3D printing technique that the purpose of the present invention is to provide a kind of, can be improved flexibility
Friction nanometer power generator output performance reduces flexible friction nano generator cost of manufacture.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of flexible friction power generator based on 3D printing technique, including pedestal and friction element, pedestal will by 3D printer
Printing consumables heating is expressed on 3D printer heating glass plate, and successively superposition is made, and friction element is attached to base
On seat, pedestal is made of thermoplastic elastic material, and pedestal includes bottom plate and support unit, and bottom plate has multiple, each bottom plate
It is arranged in parallel up and down, multiple groups support unit is equipped between two adjacent bottom plates, every group of support unit includes upper support portion
With lower support portion, wherein the middle part of upper support portion is upward and is fixedly connected with the bottom plate being located above, in lower support portion
Portion is fixedly connected to lower process and with underlying bottom plate, and upper support portion and lower support portion are hinged, and the friction element has more
Group is respectively arranged on pedestal, and every group of friction element includes the first frictional layer, the first back electrode and the second frictional layer, and first
Frictional layer is attached on the first back electrode, and the first frictional layer and the second frictional layer are correspondingly arranged up and down, each first back electrode according to
It is secondary it is in parallel after extracting power supply cord, extracting power supply cord after each second frictional layer is successively in parallel.
Preferably, first back electrode is respectively arranged at the upper table of the upper surface of underlying bottom plate, upper support portion
Face and the upper surface of lower support portion, the second frictional layer are respectively arranged under the lower surface for the bottom plate being located above, lower support portion
The size and location of surface and the lower surface of upper support portion, the first frictional layer and the second frictional layer is corresponding.
Preferably, the first frictional layer using polytetrafluoroethylene film, polyethylene film, polyvinyl chloride film or gathers to diformazan
Benzene film, the second frictional layer use metal copper foil, and the first back electrode uses metal copper foil.
Preferably, second friction element further includes the second back electrode, and the second frictional layer is attached on the second back electrode, the
Two back electrodes are respectively arranged at the lower surface of the lower surface for the bottom plate being located above, the lower surface of lower support portion and upper support portion.
Preferably, second frictional layer uses Kapton or nylon film.
Preferably, the pedestal is made of thermoplastic polyurethane rubber.
The present invention can be improved friction nanometer generating device output using 3D printing technique production friction nanometer generating device
Performance reduces the cost of manufacture of friction nanometer generating device, and manufactured friction nanometer generating device has structure simple, at
The advantages that this is cheap, output voltage is high, electric current is big, can be used for collecting the mechanical energy of reciprocating motion form, to produce electricl energy；Printing
Material uses thermoplastic polyurethane elastomer rubber, itself has good rebound characteristics, flexibility and good mechanical performance, can
It is worked with meeting under different application scene with collecting mechanical energy；Friction element have it is multiple, can according to use demand change institute simultaneously
The quantity of the friction element of connection, to satisfy the use demand.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is process schematic diagram of the invention；
Fig. 4 is the working principle of the invention figure；
Fig. 5 is open-circuit voltage datagram of the invention；
Fig. 6 is the short-circuit current data figure of the friction element of present invention different number in parallel.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described embodiment
Only section Example of the invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel other all embodiments obtained without making creative work, belong to protection model of the invention
It encloses.
As shown in Figures 1 to 4, the flexible friction power generator based on 3D printing technique that the invention discloses a kind of, including
Printing consumables heating is expressed on 3D printer heating glass plate 7 by pedestal and friction element, pedestal by 3D printer, and by
Layer superposition is made, and friction element attaches on the base, and pedestal includes bottom plate 1 and support unit, bottom plate 1 have it is multiple, it is each
About 1 bottom plate is arranged in parallel, and multiple groups support unit is equipped between two adjacent bottom plates 1, and every group of support unit includes upper
Support portion 6 and lower support portion 5, wherein the middle part of upper support portion 6 is upward and is fixedly connected with the bottom plate 1 being located above, under
The middle part of support portion 5 is fixedly connected to lower process and with underlying bottom plate 1, the end hinge of upper support portion 6 and lower support portion 5
It connects.
Friction element has multiple groups, is respectively arranged on bottom plate 1 on support unit, in the present embodiment, is rubbed using six groups
Unit is wiped, every group of friction element includes two group of first frictional layer 2, the first back electrode, the second frictional layer 3 and the second back electrode 4,
First frictional layer 2 is attached on the first back electrode, and the second frictional layer 3 is attached on the second back electrode 4, wherein first group of friction
The first back electrode in unit is attached to respectively on the upper surface of underlying bottom plate 1, second in first group of friction element
Back electrode 4 is attached to respectively on the lower surface of lower support portion 5, and the first back electrode in second group of friction element is attached to down respectively
The upper surface of support portion 5, the second back electrode 4 in second group of friction element are attached to the lower surface of support portion 6, third respectively
The first back electrode in group friction element is attached to the upper surface of support portion 6, the second back in third group friction element respectively
Electrode 4 is attached to the lower surface for the bottom plate 1 being located above respectively, extracting power supply cord after each first back electrode is successively in parallel, respectively
Extracting power supply cord after a second back electrode 4 is successively in parallel；The first frictional layer 2 and the second frictional layer 3 in every group of friction element
Size and shape is identical, and position is corresponding.
First frictional layer 2 and the second frictional layer 3 are made of the biggish material of dielectric constants, so that the first frictional layer
3 and second frictional layer 2 to electronics constraint ability difference it is larger, in the present embodiment, the first frictional layer 2 using polytetrafluoroethylene (PTFE) it is thin
Film, polyethylene film, polyvinyl chloride film or parylene film, the second frictional layer 3 are thin using metal copper foil, polyimides
Film or nylon film when the second frictional layer 3 is using metal copper foil, can omit the second back electrode, and the second frictional layer 3 can directly do the
Two back electrodes use, and the first back electrode and the second back electrode 4 are all made of metal copper foil.Second frictional layer 3 is pre- by electron injection
Processing, improves frictional layer surface charge density, it is hereby achieved that higher output performance.
In the present embodiment, the size of the first frictional layer 2, the second frictional layer 3, the first back electrode and the second back electrode 4 is equal
For 20mm × 40mm, thickness is 50 μm~1mm, preferably 0.1mm.
In addition, pedestal is made of thermoplastic polyurethane elastomer rubber.
As shown in Figure 4 (a), in the initial state, the first frictional layer 2 and the second frictional layer 3 are in close contact, due to rubbing
Electrical effect, the first frictional layer 2 and the inner surface of the second frictional layer 3 electrostatic charge that take symbol opposite, wherein the first frictional layer 2
Inner surface it is positively charged, the inner surface of the second frictional layer 3 is negatively charged；Such as Fig. 4 (b) and 4(c) shown in, when the first frictional layer 2
With the second frictional layer 3 separate under external force segment apart from when, induced electricity potential difference can be generated between two electrodes, this potential
Difference can drive the electronics between two electrodes to shift in external circuit, form electric current, until potential difference is balanced；Such as Fig. 4 (d) institute
Show, when the first frictional layer 2 and the second frictional layer 3 return to initial position under external force, due to triboelectrification effect, first
Frictional layer 2 and the second frictional layer 3 electrostatic charge that take symbol respectively again opposite, connect external circuit, form periodic cycle and return
Road.
It in the present embodiment, is that friction element selects frequency for 1~3Hz, amplitude is the of reciprocating vibration as driving of 29mm
Power, according to the above scheme, the open-circuit voltage datagram of available flexible friction nanometer generating device as shown in Figure 5, output
Maximum open circuit voltage substantially more than+410V, as shown in figure 5, in a short-circuit situation, maximum current+350 μ A with
On.
In the use of the present invention, coming in conjunction with product that can be more light with wearable device or portable electronic device etc.
Power is provided for friction element, for example, the present invention can be placed in shoes, user makes the first frictional layer and second when on foot
Frictional layer is contacting and separating, to produce electricl energy, since support unit is made of thermoplastic polyurethane elastomer rubber, outside
After power disappears, support unit can automatically reset, so that the first frictional layer and the separation of the second frictional layer are driven, reciprocation cycle, from
And it produces electricl energy.
Claims (6)
1. a kind of flexible friction power generator based on 3D printing technique, it is characterised in that: including pedestal and friction element, pedestal
Printing consumables heating is expressed on 3D printer heating glass plate by 3D printer, and successively superposition is made, and rubs
Unit attaches on the base, and pedestal is made of thermoplastic elastic material, and pedestal includes bottom plate and support unit, and bottom plate has more
A, each bottom plate is arranged in parallel up and down, multiple groups support unit is equipped between two adjacent bottom plates, every group of support unit wraps
Including support portion and lower support portion, wherein the middle part of upper support portion is upward and is fixedly connected with the bottom plate being located above, under
The middle part of support portion is fixedly connected to lower process and with underlying bottom plate, and upper support portion and lower support portion are hinged, described to rub
Wiping unit has multiple groups, is respectively arranged on pedestal, and every group of friction element includes that the first frictional layer, the first back electrode and second rub
Layer is wiped, the first frictional layer is attached on the first back electrode, and the first frictional layer and the second frictional layer are correspondingly arranged up and down, and each first
Extracting power supply cord after back electrode is successively in parallel, extracting power supply cord after each second frictional layer is successively in parallel.
2. a kind of flexible friction power generator based on 3D printing technique as described in claim 1, it is characterised in that: described the
One back electrode is respectively arranged at the upper surface of the upper surface of underlying bottom plate, the upper surface of upper support portion and lower support portion,
Second frictional layer is respectively arranged at the following table of the lower surface for the bottom plate being located above, the lower surface of lower support portion and upper support portion
The size and location of face, the first frictional layer and the second frictional layer is corresponding.
3. a kind of flexible friction power generator based on 3D printing technique as claimed in claim 2, it is characterised in that: first rubs
It wipes layer and uses polytetrafluoroethylene film, polyethylene film, polyvinyl chloride film or parylene film, the second frictional layer uses
Metal copper foil, the first back electrode use metal copper foil.
4. a kind of flexible friction power generator based on 3D printing technique as claimed in claim 2, it is characterised in that: described the
Two friction elements further include the second back electrode, and the second frictional layer is attached on the second back electrode, and the second back electrode is respectively arranged at position
In the lower surface of the lower surface of the bottom plate of top, the lower surface of lower support portion and upper support portion.
5. a kind of flexible friction power generator based on 3D printing technique as claimed in claim 4, it is characterised in that: described the
Two frictional layers use Kapton or nylon film.
6. a kind of flexible friction power generator based on 3D printing technique as claimed in claim 3 or 5, it is characterised in that: institute
Pedestal is stated to be made of thermoplastic polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000103.2A CN109039144A (en) | 2018-08-30 | 2018-08-30 | A kind of flexible friction power generator based on 3D printing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000103.2A CN109039144A (en) | 2018-08-30 | 2018-08-30 | A kind of flexible friction power generator based on 3D printing technique |
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| CN109039144A true CN109039144A (en) | 2018-12-18 |
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| CN201811000103.2A Pending CN109039144A (en) | 2018-08-30 | 2018-08-30 | A kind of flexible friction power generator based on 3D printing technique |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889080A (en) * | 2019-04-08 | 2019-06-14 | 河南师范大学 | A kind of more contact layer swing type friction nanometer power generators based on 3D printing technique production for organic pollutant degradation |
| CN110212806A (en) * | 2019-05-30 | 2019-09-06 | 天津科技大学 | A kind of full printing preparation method of friction nanometer power generator based on 3D cellulose aerogels |
| CN110635709A (en) * | 2019-09-04 | 2019-12-31 | 东华大学 | Self-recovery plastic-based friction nano power generation device with honeycomb structure |
| CN111669070A (en) * | 2020-05-20 | 2020-09-15 | 宁波诺丁汉新材料研究院有限公司 | Electrode of friction nano generator, preparation method thereof and friction nano generator |
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| CN107342702A (en) * | 2017-06-23 | 2017-11-10 | 河南师范大学 | A kind of collapsible friction generator of layer flexible |
| CN107425748A (en) * | 2017-08-08 | 2017-12-01 | 河南师范大学 | A kind of layer flexible expandable type friction generator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889080A (en) * | 2019-04-08 | 2019-06-14 | 河南师范大学 | A kind of more contact layer swing type friction nanometer power generators based on 3D printing technique production for organic pollutant degradation |
| CN110212806A (en) * | 2019-05-30 | 2019-09-06 | 天津科技大学 | A kind of full printing preparation method of friction nanometer power generator based on 3D cellulose aerogels |
| CN110635709A (en) * | 2019-09-04 | 2019-12-31 | 东华大学 | Self-recovery plastic-based friction nano power generation device with honeycomb structure |
| CN111669070A (en) * | 2020-05-20 | 2020-09-15 | 宁波诺丁汉新材料研究院有限公司 | Electrode of friction nano generator, preparation method thereof and friction nano generator |
| CN111669070B (en) * | 2020-05-20 | 2021-10-15 | 宁波诺丁汉新材料研究院有限公司 | Electrode of friction nano generator, preparation method thereof and friction nano generator |
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Application publication date: 20181218 |