CN205070838U - Friction electric generator based on friction material is right - Google Patents
Friction electric generator based on friction material is right Download PDFInfo
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- CN205070838U CN205070838U CN201520604772.6U CN201520604772U CN205070838U CN 205070838 U CN205070838 U CN 205070838U CN 201520604772 U CN201520604772 U CN 201520604772U CN 205070838 U CN205070838 U CN 205070838U
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Abstract
The utility model discloses a friction electric generator based on friction material is right, this friction electric generator include first electrode layer (1) that stacks gradually the setting, first rubber membrane (2), and second rubber membrane (3) and the second electrode lay (4), first electrode layer (1) and the second electrode lay (4) is friction electric generator's voltage and current output electrode, wherein relative first rubber membrane (2) that set up with second rubber membrane (3) can also can be that the surface has protruding structure for flat membrane. The utility model discloses a friction electric generator not only can avoid the pellosil system membrane technology challenge of bump, has voltage, the electric current of improvement and the performance of charging moreover.
Description
Technical field
The utility model relates to a kind of generator, particularly relates to a kind of friction generator right based on friction material.
Background technology
The collection of energy adopting nanometer technology to build and conversion equipment, play a crucial role in self-powered nanosystems, due to its environmental protection, energy-conservation, self-driven character and be day by day subject to extensive concern.Since mechanical energy is converted to electric energy by piezoelectric nano generator first that research and develop along with Wang Zhonglin professor seminar, the different structure based on piezoelectricity and friction electricity and the nano generator of material are come out one after another.But the pairing material used in existing friction generator can make the pellosil filming technology of salient point complicated.
Therefore, need to find a kind of generator right based on friction material to solve the problem having the pellosil filming technology of salient point complicated.
Utility model content
The purpose of this utility model is to provide a kind of friction generator right based on friction material, can solve the problem that the pellosil filming technology of salient point is complicated, and has the voltage of raising, electric current and charging performance.
For achieving the above object, the concrete technical scheme of a kind of friction generator right based on friction material of the present utility model is:
A kind of friction generator right based on friction material, comprise the first electrode layer 1 be cascading, first rubber membrane 2, second rubber membrane 3 and the second electrode lay 4, described first electrode layer 1 and the second electrode lay 4 are the voltage and current output electrode of friction generator.
Aforesaid friction generator, the first rubber membrane 2 is nitrile rubber film.
Aforesaid friction generator, the second rubber membrane 3 is Silicon moulds.
Aforesaid friction generator, the first rubber membrane 2 be oppositely arranged with the second rubber membrane 3 is flat film.
Aforesaid friction generator, there is bulge-structure on the surface of the first rubber membrane 2 be oppositely arranged with the second rubber membrane 3.
Aforesaid friction generator, the height of projection 1 ~ 10mm of the bulge-structure of the surface setting of described first rubber membrane 2.
Aforesaid friction generator, the shape of the bulge-structure of the surface setting of described first rubber membrane 2 is the one in cone, cuboid, cylinder, hemisphere.
Aforesaid friction generator, the shape of the bulge-structure of the surface setting of described first rubber membrane 2 is cone, described cone basal diameter 0.5 ~ 5mm, and described cone is regular array distribution, and described cone density is every square meter 0.5 ~ 50,000.
Aforesaid friction generator, described second rubber membrane 3 is the flat film of coating.
Aforesaid friction generator, described first rubber membrane 2 material therefor comprises acrylonitrile-butadiene rubber, acrylonitrile chloroprene rubber, propionitrile rubber.
Aforesaid friction generator, described second rubber membrane 3 material therefor comprise in PDMS (dimethyl silicone polymer), methyl vinyl silicone rubber, fluorosioloxane rubber any one.
Aforesaid friction generator, described first electrode layer 1 and the second electrode lay 4 material therefor are indium tin oxide, nano silver wire film, Graphene, metal or alloy.
Compared with existing friction generator, the advantage of the friction generator right based on friction material of the present utility model is:
1) friction generator right based on friction material of the present utility model can avoid the pellosil filming technology challenge of salient point.
2) friction generator right based on friction material of the present utility model has the voltage of raising, electric current and charging performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model friction generator;
Fig. 2 is the structural representation of another friction generator of the utility model;
Fig. 3 be the utility model PDMS//nitrile rubber to compared to PDMS//PET material to voltage tester result;
Fig. 4 be the utility model PDMS//nitrile rubber to compared to PDMS//PET material to charging performance test result;
Embodiment
In order to better understand the purpose of this utility model, structure and function, below in conjunction with accompanying drawing, further detailed description is done to a kind of friction generator right based on friction material of the present utility model.
As shown in Figure 1 to Figure 2, the friction generator right based on friction material of the present utility model comprises the first electrode layer 1 be cascading, first rubber membrane 2, second rubber membrane 3 and the second electrode lay 4, described first electrode layer 1 and the second electrode lay 4 are the voltage and current output electrode of friction generator.
First electrode layer 1 and the second electrode lay 4 pairs of material therefors do not have particular provisions, the commercially available material that can form conductive layer is all within protection range of the present utility model, be such as indium tin oxide, nano silver wire film, Graphene, metal or alloy, wherein metal is Au Ag Pt Pd, aluminium, nickel, copper, titanium, chromium, selenium, iron, manganese, molybdenum, tungsten or vanadium; Alloy is aluminium alloy, titanium alloy, magnesium alloy, beryllium alloy, copper alloy, kirsite, manganese alloy, nickel alloy, lead alloy, ashbury metal, cadmium alloy, bismuth alloy, indium alloy, gallium alloy, tungsten alloy, molybdenum alloy, niobium alloy or tantalum alloy.The thickness of the first electrode layer 1 and the second electrode lay 4 preferably 100 μm ~ 500 μm, more preferably 200 μm.Electrode layer of the present utility model can adopt the conventional methods such as stickup or radio frequency sputtering to be arranged on the first rubber membrane 2 and the second rubber membrane 3 surface.
Further, the first rubber membrane 2 is commercially available nitrile rubbers, such as, can be any one in acrylonitrile-butadiene rubber, acrylonitrile chloroprene rubber, propionitrile rubber.Preferably, the thickness of the first rubber membrane 2 is 100 ~ 500 μm.
Further, the second rubber membrane 3 is the flat film of coating, and can be commercially available silica gel, such as, can be PDMS (dimethyl silicone polymer), methyl vinyl silicone rubber, fluorosioloxane rubber.Preferably, the thickness of the second rubber membrane 3 is 100 ~ 500 μm.
In an embodiment, adopt acrylonitrile-butadiene rubber as the first rubber membrane 2, adopt PDMS to be flat film as the second rubber membrane 3, first rubber membrane 2 and the second rubber membrane 3.Indium oxide tin film is plated on a surface of the first rubber membrane 2, is the first electrode layer 1, the second rubber membrane 3 is laminated in the first rubber membrane 2 another on the surface, plate indium oxide tin film on the surface at another of the second rubber membrane 3, be the second electrode lay 4.Then with the edge of common immobilization with adhesive tape gained duplexer, friction generator is as shown in Figure 1 obtained.
Friction generator as shown in Figure 2 also can be used for the utility model.This friction generator adopts acrylonitrile-butadiene rubber as the first rubber membrane 2, adopts PDMS to be flat film as the second rubber membrane 3, second rubber membrane 3.A surface of the first rubber membrane 2 arranges bulge-structure, and another plates indium oxide tin film on the surface, is the first electrode layer 1.What the second rubber membrane 3 is laminated in the first rubber membrane 2 has on the face of bulge-structure, plates indium oxide tin film on the surface, be the second electrode lay 4 at another of the second rubber membrane 3.Then with the edge of common immobilization with adhesive tape gained duplexer, friction generator is as shown in Figure 2 obtained.
In this embodiment, the bulge-structure that a surface of the first rubber membrane 2 is arranged is cone, and the height of projection of cone is 1 ~ 10mm, basal diameter 0.5 ~ 5mm.Described cone is regular array distribution, and density is every square meter 0.5 ~ 50,000.
The utility model bulge-structure can adopt multiple method to be prepared, such as, with there being the silicon template of ad hoc rules bulge-structure to suppress, with sand papering metal surface and additive method.The following detailed description of a kind of preparation method of bulge-structure.
S1 makes silicon template.The method of silicon chip photoetching is made the figure of rule on surface.Carry out the technique anisotropic etching of the silicon chip wet etching of figure, the rectangular pyramid array structure of spill can be carved, or also can carve the cubic array structure of spill with the technique isotropic etching at dry quarter.Template acetone after carving well and isopropyl alcohol clean up, and then all templates all carry out the process of surface silanization in the atmosphere of trim,ethylchlorosilane, and the silicon template handled well is stand-by.
S2 makes the rubber membrane with bulge-structure surface.First rubber slurry is coated on silicon template surface, vacuum degassing, by the mode of rotary coating, mixture unnecessary for silicon chip surface is removed, form the rubber liquid film of thin layer.Whole template is solidified, then peels off, be there is the rubber membrane of ad hoc structure array uniformly.
Embodiment
Below, enumerate embodiment and the present invention is further described, but the present invention is not limited to following embodiment.
Embodiment 1
Adopt acrylonitrile-butadiene rubber as the first rubber membrane, adopt PDMS as the second rubber membrane, PDMS film is flat film.A surface of acrylonitrile-butadiene rubber film arranges the cone bulge-structure of height of projection 5mm, plates indium oxide tin film on the other surface as the first electrode layer.PDMS film-stack is had on the face of bulge-structure in acrylonitrile-butadiene rubber film, plates indium oxide tin film on the surface as the second electrode lay at another of PDMS film.Then with the edge of common immobilization with adhesive tape gained duplexer, friction generator 1 is obtained.
Embodiment 2
Adopt acrylonitrile-butadiene rubber as the first rubber membrane, adopt PDMS as the second rubber membrane, PDMS film is flat film.Acrylonitrile-butadiene rubber film surface is set to flat film, and another plates indium oxide tin film on the surface as the first electrode layer.By PDMS film-stack on the flat face of acrylonitrile-butadiene rubber film, plate indium oxide tin film on the surface as the second electrode lay at another of PDMS film.Then with the edge of common immobilization with adhesive tape gained duplexer, friction generator 2 is obtained.Comparative example 1
Adopt PET (PETG) as the first macromolecule molecule polymer film, adopt PDMS as the second polymer membrane, the second polymer membrane is flat film.A surface of the first macromolecule molecule polymer film arranges the cone bulge-structure of height of projection 5mm, plates indium oxide tin film on the other surface as the first electrode layer.What the second polymer membrane is laminated in the first macromolecule molecule polymer film has on the face of bulge-structure, plates indium oxide tin film on the surface as the second electrode lay at another of the second polymer membrane.Then with the edge of common immobilization with adhesive tape gained duplexer, the friction generator 3 contrasted is obtained.
Respectively performance test is carried out to the friction generator in friction generator of the present utility model and comparative example below, to further describe friction generator of the present utility model.
The friction generator obtained embodiment 1 and comparative example 1 respectively carries out voltage and charging performance test.The environmental condition of test is: temperature 27.3 DEG C, humidity 70%.Test parameter is: voltage adopts and knocks frequency 5Hz; Electric current adopts and knocks frequency 5Hz, knocks external force 40N; Charge condition adopts and knocks frequency 5Hz, knocks external force 40N, charging capacitor 1 μ F.As shown in Figure 3, charging performance test result as shown in Figure 4 for voltage tester result.
As shown in Figure 3 and Figure 4, when pressure is 10Pa, based on the right friction generator of PDMS//nitrile rubber compared to based on the right friction generator of PDMS//PET material, forward voltage numerical value increases to 504V by 432V, promotes about 20%.The right friction generator of bi-material is tested through certain hour charging performance, when obtaining identical voltage 10V, the PDMS//PET material on friction generator charging time is 81.9s, be 66.9s based on the friction generator charging interval that PDMS//nitrile rubber is right, as seen based on PDMS//nitrile rubber to compared to quicker to charging based on PDMS//PET material.In addition, knocking frequency 5Hz, under knocking the testing current condition of external force 40N, learnt by test result, increase to 2.75 μ As compared to the output current based on the right friction generator of PDMS//PET material by 2.5 μ A based on the right friction generator of PDMS//nitrile rubber, promote about 10%.
The friction generator right based on friction material of the present utility model avoids the PDMS filming technology challenge of salient point, and has the voltage of raising, electric current and charging performance.
By specific embodiment, the utility model is further described above; but it should be understood that; here concrete description; should not be construed as the restriction to essence of the present utility model and scope; one of ordinary skilled in the art to the various amendments that above-described embodiment is made, belongs to the scope that the utility model is protected after reading this specification.
Claims (11)
1. based on the friction generator that friction material is right, it is characterized in that, comprise the first electrode layer (1) be cascading, the first rubber membrane (2), the second rubber membrane (3) and the second electrode lay (4);
Described first rubber membrane (2) is nitrile rubber film;
Described second rubber membrane (3) is pellosil;
The voltage and current output electrode that described first electrode layer (1) and the second electrode lay (4) are friction generator.
2. friction generator according to claim 1, is characterized in that, the first rubber membrane (2) be oppositely arranged with the second rubber membrane (3) is flat film.
3. friction generator according to claim 1, is characterized in that, there is bulge-structure on the surface of the first rubber membrane (2) be oppositely arranged with the second rubber membrane (3).
4. friction generator according to claim 3, is characterized in that, the bulge-structure altitude range that the surface of described first rubber membrane (2) is arranged is 1 ~ 10mm.
5. friction generator according to claim 4, is characterized in that, the bulge-structure shape that described first rubber membrane (2) surface is arranged is the one in cone, cuboid, cylinder, hemisphere.
6. friction generator according to claim 5, it is characterized in that, the bulge-structure shape that described first rubber membrane (2) surface is arranged is cone, described cone basal diameter 0.5 ~ 5mm, described cone is regular array distribution, and described cone density is every square meter 0.5 ~ 50,000.
7. friction generator according to claim 2, is characterized in that, described second rubber membrane (3) is the flat film of coating.
8. friction generator according to claim 3, is characterized in that, described second rubber membrane (3) is the flat film of coating.
9. the friction generator according to any one of claim 1 ~ 8, is characterized in that, described first rubber membrane (2) material therefor comprises acrylonitrile-butadiene rubber, acrylonitrile chloroprene rubber, propionitrile rubber.
10. the friction generator according to any one of claim 1 ~ 8, is characterized in that, described second rubber membrane (3) material therefor comprises dimethyl silicone polymer, methyl vinyl silicone rubber, fluorosioloxane rubber.
11. friction generator according to any one of claim 1 ~ 8, it is characterized in that, described first electrode layer (1) and the second electrode lay (4) material therefor are indium tin oxide, nano silver wire film, Graphene, metal or alloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520604772.6U CN205070838U (en) | 2015-08-12 | 2015-08-12 | Friction electric generator based on friction material is right |
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| CN201520604772.6U CN205070838U (en) | 2015-08-12 | 2015-08-12 | Friction electric generator based on friction material is right |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978394A (en) * | 2016-06-13 | 2016-09-28 | 中国科学院上海微系统与信息技术研究所 | Flexible self-power generation acceleration sensor |
| CN109510505A (en) * | 2017-10-20 | 2019-03-22 | 北京纳米能源与系统研究所 | A kind of friction nanometer power generator |
-
2015
- 2015-08-12 CN CN201520604772.6U patent/CN205070838U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978394A (en) * | 2016-06-13 | 2016-09-28 | 中国科学院上海微系统与信息技术研究所 | Flexible self-power generation acceleration sensor |
| CN109510505A (en) * | 2017-10-20 | 2019-03-22 | 北京纳米能源与系统研究所 | A kind of friction nanometer power generator |
| CN109510505B (en) * | 2017-10-20 | 2020-10-16 | 北京纳米能源与系统研究所 | Friction nanometer generator |
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