CN113437898B - Paper-based triboelectric self-powered multi-scale man-machine interaction device - Google Patents
Paper-based triboelectric self-powered multi-scale man-machine interaction device Download PDFInfo
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- CN113437898B CN113437898B CN202110700088.8A CN202110700088A CN113437898B CN 113437898 B CN113437898 B CN 113437898B CN 202110700088 A CN202110700088 A CN 202110700088A CN 113437898 B CN113437898 B CN 113437898B
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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Abstract
The invention discloses a paper-based triboelectric self-powered multi-scale man-machine interaction device, which comprises a paper-based substrate, four upper friction layers and four lower friction layers, wherein the paper-based substrate has four pressing positions; the four upper friction layers are adhered to the upper surfaces of the four pressing positions of the paper-based substrate; the four lower friction layers are adhered below four pressing positions of the paper-based substrate, namely, a friction nano generator is arranged at each pressing position; when the pressing position of the paper-based substrate is pressed, the corresponding upper friction layer and the lower friction layer can be in mutual contact, and after the paper-based substrate is pressed and loosened, the upper friction layer and the lower friction layer can be separated due to the rebound resilience of the paper base. The pressing and loosening process can generate corresponding combined electric signals, an MPU is used for collecting and identifying the electric signals, and corresponding control signals are sent out. The invention has the advantages of self power supply, environment-friendly material and simple structure, can realize control diversity by combining electric signals, and has great application prospect in the future internet of things era.
Description
Technical Field
The invention relates to a paper-based triboelectric self-powered multi-scale man-machine interaction device, and belongs to the technical field of man-machine interaction.
Background
With the rapid development of artificial intelligence and 5G technology, the Internet of things becomes a necessary development trend, various product devices are connected with people through the Internet in the age of the Internet of things, in order to operate the product devices, a human-computer interaction device is indispensable, and the human-computer interaction device becomes an important part for further development of the Internet of things. In the future internet of things era, man-machine interaction devices are ubiquitous, huge power consumption is generated when the huge number of man-machine interaction devices work, the problem of how to supply power to the devices is difficult under the background of gradual shortage of energy, frequent replacement of man-machine interfaces cannot be avoided due to frequent use, a large amount of industrial waste products are generated, the problem of how to treat the waste products is difficult, and people can contact the waste products all the time in the future and even need to carry the waste products with them, so that the portability of the man-machine interaction devices is very important. Summary the following disadvantages of the conventional human-computer interaction device exist: the device cannot be self-powered, is made of non-environment-friendly materials and has insufficient portability. In order to enable the human-computer interaction device to be better used in the future internet of things era, the three defects must be overcome.
Firstly, the problem of self-power is solved, the currently common self-power technologies mainly comprise solar energy and wind energy, the two types of energy conversion can generate huge electric quantity, but the equipment is huge and is inconvenient to carry, so the equipment is not suitable to be used as a self-power means of a future human-computer interface. Considering that when people use the man-machine interface, the contact separation of people and the man-machine interface is inevitable, and unutilized mechanical energy exists in the process, the mechanical energy can be considered to be self-powered. At present, there are three different generators for converting mechanical energy into electrical energy, which are an electromagnetic induction generator, a piezoelectric nano-generator and a friction nano-generator. The electromagnetic induction generator is applied to a high-frequency environment, is obviously not suitable for converting mechanical energy generated by contact and separation of a person and an interface, the piezoelectric nano generator has extremely high requirements on materials, is higher in cost and is not suitable for self-power supply of a human-computer interface, and compared with the friction nano generator, the friction nano generator can be used for converting low-frequency mechanical energy, is simple in realization condition and is most suitable for self-power supply of the human-computer interface.
Secondly, the problems of environmental protection and portability of materials of the man-machine interaction device are solved, and the current substrate materials are researched, so that the paper has good flexibility, low cost, light weight and biodegradability and is an environment-friendly material with good portability.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide a paper-based triboelectric self-powered multi-scale man-machine interaction device, which has a self-powered function, can automatically generate power by utilizing a triboelectric effect and solves the problem that most man-machine interaction devices need additional power supply at present; the human-computer interaction device takes paper as a substrate, the problem that a large amount of industrial garbage which is difficult to recycle is generated after the traditional human-computer interaction device is replaced is solved, and meanwhile, the human-computer interaction device which is convenient to carry and has various sizes can be manufactured due to the portability and the easy processability of the paper, so that the problems that most of human-computer interaction devices are not environment-friendly in material and poor in portability are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a paper-based triboelectric self-powered multi-scale man-machine interaction device comprises a paper-based substrate, four upper friction layers and four lower friction layers, wherein the upper friction layers and the lower friction layers are flexible material layers, the paper-based substrate has four pressing positions, and each pressing position is divided into an upper surface and a lower surface; the four upper friction layers are respectively adhered to the upper surfaces of the four pressing positions of the paper-based substrate; the four lower friction layers are respectively adhered below four pressing positions of the paper-based substrate, namely, a friction nano generator is arranged at each pressing position; when the pressing position of the paper-based substrate is pressed, the corresponding upper friction layer and the lower friction layer can be contacted with each other, after the pressing is released, the upper friction layer and the lower friction layer can be separated due to the rebound elasticity of the paper base, and an electric signal can be generated in the contact separation process; the paper-based substrate is composed of a first paper base and a second paper base, the first paper base and the second paper base are completely identical and respectively comprise a middle part, a left stretching part and a right stretching part, the first paper base and the second paper base are divided into a large square at the middle part and two small squares at the left side and the right side by a plurality of perforating crease lines, and the sizes of the small squares are identical.
Further, the first paper base and the second paper base are identical and are folded along the perforation crease lines during installation, but the folding directions are opposite, and the friction nanometer generators installed at the four pressing positions cannot be in mutual contact.
Furthermore, the upper friction layer consists of a nickel cloth layer and a PET (polyethylene terephthalate) film layer, the nickel cloth layer is used as a positive friction layer of the friction nano-generator, and 0.1mm nickel cloth is selected, so that charge transfer of the friction nano-generator is quicker during working, and the output performance of the friction nano-generator is improved; the PET film layer is used as a shielding layer.
Furthermore, the lower friction layer consists of a silica gel layer, a nickel cloth layer and a PET film layer, the silica gel layer is used as a negative friction layer of the friction nano generator, the nickel cloth layer is used as a conductive layer, and the PET film layer is used as a shielding layer.
Furthermore, a silica gel mold of a silica gel layer in the lower friction layer is made by 3D resin printing, 5000 meshes of sand paper are pasted on the bottoms of four grooves of the silica gel mold, a microstructure of the surface of the 5000 meshes of sand paper can be copied on the surface of the silica gel layer, so that the contact area of the surface of the silica gel layer is improved, when the upper friction layer is in contact with the lower friction layer, more electric charge transfer can be generated, and the output performance of the friction nano generator can be improved accordingly.
Furthermore, the working process of the invention is that a single friction nano generator or a combination of a plurality of friction nano generators of the man-machine interaction device is pressed to generate an electric signal; then, acquiring an electric signal generated by the friction nano generator by using the MPU; then identifying the coded signal of a single friction nano generator or a combination of a plurality of friction nano generators by using the MPU; and finally, sending out a corresponding control signal by using an MPU according to the identified coding signal.
Compared with the prior art, the invention has the following prominent substantive characteristics and remarkable advantages:
1. the friction nanometer generator is applied to the man-machine interaction device, the self-powered function of the man-machine interaction device is realized, and the energy consumption is greatly reduced.
2. The paper is used as the substrate of the man-machine interaction device, the paper is used as an environment-friendly material, the generation of industrial garbage can be greatly reduced, the man-machine interaction device has multiple scales due to the easy processing property of the paper, and meanwhile, the paper is light in weight, so that the portability of the man-machine interaction device is greatly enhanced.
3. The manufacturing process is simple, and the mature laser cutting technology is adopted to cut the paper, so that the high-efficiency production can be realized; the silica gel mold is manufactured by adopting the existing popular and mature 3D printing technology, and is simple to manufacture.
Drawings
FIG. 1 is a schematic overall appearance diagram of a paper-based triboelectric self-powered multi-scale human-computer interaction device
FIG. 2 is a schematic illustration of laser cutting of a paper-based substrate of the present invention
FIG. 3 is a schematic view of the paper-based substrate mounting structure of the present invention
FIG. 4 is a schematic view of the upper friction layer structure of the present invention
FIG. 5 is a schematic view of the structure of the lower friction layer of the present invention
FIG. 6 is a schematic view of a silica gel mold for a lower friction layer according to the present invention
FIG. 7 is a code diagram of a paper-based triboelectric self-powered multi-scale man-machine interaction device
FIG. 8 is a flow chart of the operation of the present invention
Description of reference numerals:
10: paper-based substrate, 11: paper base one, 12: paper base 2
20: upper friction layer, 21: nickel cloth, 22: PET film
30: lower friction layer, 31: silica gel, 32: nickel cloth, 33: PET film
40: silica gel mold, 41:5000 mesh sand paper
Detailed Description
The specific structure and operation of the embodiments of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, the paper-based triboelectric self-powered multi-scale man-machine interaction device comprises a paper-based substrate 10, four upper friction layers 20 and four lower friction layers 30, wherein the upper friction layers and the lower friction layers are flexible material layers, the paper-based substrate 10 has four pressing positions, and the pressing positions are divided into an upper surface and a lower surface; the four upper friction layers 20 are respectively adhered to the upper surfaces of the four pressing positions of the paper-based substrate 10; the four lower friction layers 30 are respectively adhered to the lower surfaces of the four mounting positions of the paper-based substrate 10, namely, a friction nano generator is mounted at each pressing position; when the pressed position of the paper-based substrate 10 is pressed, the corresponding upper friction layer 20 and the lower friction layer 30 contact with each other, and after the pressing is released, the upper friction layer 20 and the lower friction layer 30 are separated due to the resilience of the paper base, and an electric signal is generated in the contact separation process.
As shown in fig. 2, which is a schematic diagram of laser cutting of the paper-based substrate of the present invention, the paper-based substrate 10 is composed of a first paper base 11 and a second paper base 12, the first paper base 11 and the second paper base 12 are completely the same and respectively comprise a middle part, a left extending part and a right extending part, 6 punching crease lines divide the first paper base and the second paper base into a large square at the middle part and two small squares at the left and right sides, and the small squares have the same size; the outer contour is a solid line, and the paper-based substrate 10 can be changed in size along with the change of working conditions by using laser to completely cut, so that multi-scale is realized.
As shown in FIG. 3, which is a schematic diagram of the mounting structure of the paper-based substrate 10 of the present invention, the first paper base 11 and the second paper base 12 are identical and are folded along the perforation crease line during mounting, but the folding direction is opposite, and the folding manner is as shown in FIG. 3, so that the friction nano-generators mounted at four pressing positions are not in contact with each other.
As shown in fig. 4, which is a schematic structural view of the upper friction layer 20 of the present invention, the upper friction layer 20 is composed of a nickel cloth layer 21 and a PET film layer 22. The nickel cloth layer 21 is used as a positive friction layer of the friction nano generator, 0.1mm nickel cloth is selected, so that charge transfer of the friction nano generator is quicker during working, the output performance of the friction nano generator is improved, and the PET film layer 22 is used as a shielding layer.
As shown in fig. 5, which is a schematic structural diagram of the lower friction layer 30 of the present invention, the lower friction layer 30 is composed of a silica gel layer 31, a nickel cloth layer 32 and a PET film layer 33, the silica gel layer 31 is used as a negative friction layer of the friction nano-generator, the nickel cloth layer 32 is used as a conductive layer, and the PET film layer 33 is used as a shielding layer. The silica gel layer 31 is prepared as follows
(1) Firstly, mixing Ecoflex00-50 series liquid platinum vulcanized silicone adhesive A and liquid platinum vulcanized silicone adhesive B by the weight of 1:1;
(2) Then pouring the uniformly stirred liquid platinum silicon sulfide adhesive into a silica gel mold with 5000 meshes of abrasive paper stuck to the bottom, and putting the silica gel mold into a vacuum pump for vacuumizing treatment to eliminate bubbles in the liquid platinum silicon sulfide adhesive;
(3) And finally, pouring the liquid platinum silicon sulfide adhesive subjected to vacuum treatment into a silica gel mold with the bottom stuck with sand paper, standing for 8 hours at normal temperature, and taking out.
As shown in fig. 6, which is a schematic view of a silicone mold 40 of a silicone layer in a lower friction layer according to the present invention, the silicone mold 40 is manufactured by 3D resin printing, and is simple to manufacture and high in precision; 5000 meshes of sand paper 41 are pasted at the bottoms of four grooves of the mold, the surface of the silica gel layer 31 can be copied with the surface microstructure of the 5000 meshes of sand paper, so that the contact area of the surface of the silica gel layer 31 is increased, more charges can be transferred when the upper friction layer 20 is in contact with the lower friction layer 30, and the output performance of the friction nano-generator can be improved accordingly.
As shown in fig. 7, the code diagram of the paper-based triboelectric self-powered multi-scale man-machine interaction device is provided with four friction nano-generators, four paths of electric signals can be generated, the interference between each friction nano-generator is extremely small, the four friction nano-generators can be numbered (1, 2, 3 and 4 respectively), the output signals of the four friction nano-generators are combined, and the total number of the output signals can be obtained
The control signals are combined in groups to realize the diversity of control.
As shown in fig. 8, it is a work flow chart of the present invention, and the specific flow is:
(1) Pressing a single friction nano generator or a combination of a plurality of friction nano generators of the human-computer interaction device to generate an electric signal;
(2) Acquiring an electric signal generated by the friction nano generator by using an MPU (micro processing unit);
(3) Identifying, using the MPU, an encoded signal of a single friction nanogenerator or a combination of multiple friction nanogenerators;
(4) And sending out a corresponding control signal by using the MPU according to the identified coding signal.
The foregoing is only illustrative of the principles and general features of the present invention, and the invention is not limited to the embodiments described above, and rather, minor structural and functional modifications may be made without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a paper base friction electricity is from energy supply multiscale man-machine interaction device, includes a paper base substrate (10), four upper friction layers (20) and four lower friction layers (30), its characterized in that: the upper friction layer and the lower friction layer are flexible material layers, the paper-based substrate (10) has four pressing positions, and each pressing position is divided into an upper surface and a lower surface; the four upper friction layers (20) are respectively adhered to the upper surfaces of the four pressing positions of the paper-based substrate (10); the four lower friction layers (30) are respectively adhered to the lower surfaces of four pressing positions of the paper-based substrate (10), namely, a friction nano generator is arranged at each pressing position; when the pressing position of the paper-based substrate (10) is pressed, the corresponding upper friction layer (20) and the lower friction layer (30) can be contacted with each other, after the pressing is released, the upper friction layer (20) and the lower friction layer (30) can be separated due to the rebound elasticity of the paper base, and an electric signal can be generated in the contact and separation process; the paper base substrate (10) is composed of a paper base I (11) and a paper base II (12), the paper base I (11) and the paper base II (12) are completely the same and respectively comprise a middle part, a left stretching part and a right stretching part, a plurality of punching crease lines divide the paper base I (11) and the paper base II (12) into a large square at the middle part and two small squares at the left side and the right side, and the sizes of the small squares are the same; when the first paper base (11) and the second paper base (12) are installed, the first paper base and the second paper base are folded along the punching crease lines, but the folding directions are opposite, and the friction nanometer generators installed at the four pressing positions cannot be in mutual contact.
2. The paper-based triboelectric self-powered multi-scale human-computer interaction device according to claim 1, characterized in that: the upper friction layer (20) consists of a nickel cloth layer (21) and a PET (polyethylene terephthalate) film layer (22), wherein the nickel cloth layer (21) is used as a positive friction layer of the friction nano-generator, and 0.1mm nickel cloth is selected; the PET film layer (22) is used as a shielding layer.
3. The paper-based triboelectric self-powered multi-scale human-computer interaction device according to claim 1, characterized in that: the lower friction layer (30) is composed of a silica gel layer (31), a nickel cloth layer (32) and a PET film layer (33), the silica gel layer (31) serves as a negative friction layer of the friction nano-generator, the nickel cloth layer (32) serves as a conductive layer, and the PET film layer (33) serves as a shielding layer.
4. The paper-based triboelectric self-powered multi-scale human-computer interaction device according to claim 3, characterized in that: silica gel mould (40) of silica gel layer adopt the 3D resin to print the preparation down in the frictional layer, 5000 mesh number abrasive paper (41) have been pasted to four tank bottoms of silica gel mould, and 5000 mesh abrasive paper surface microstructure can be duplicated on silica gel layer (31) surface for silica gel layer (31) surface area of contact obtains improving, goes up frictional layer (20) and when frictional layer (30) contact down, can produce more charge transfer, and the output performance of friction nanometer generator also can improve thereupon.
5. The paper-based triboelectric self-powered multi-scale human-computer interaction device according to claim 1, wherein the workflow is characterized in that: pressing a single friction nano generator or a combination of a plurality of friction nano generators of the human-computer interaction device to generate an electric signal; then, acquiring an electric signal generated by the friction nano generator by using the MPU; then identifying the coded signal of a single friction nano generator or a combination of a plurality of friction nano generators by using the MPU; and finally, sending out a corresponding control signal by using an MPU according to the identified coding signal.
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| CN207251502U (en) * | 2017-09-30 | 2018-04-17 | 纳智源科技（唐山）有限责任公司 | Sensor for physiology monitoring |
| CN108092542A (en) * | 2017-12-21 | 2018-05-29 | 浙江大学 | The compound folding friction nanometer power generator of paper substrate |
| CN109194187A (en) * | 2018-11-05 | 2019-01-11 | 浙江大学 | Contact-type frictional generated energy collection device based on paper folding spring structure |
| CN109450288B (en) * | 2018-11-12 | 2019-11-19 | 浙江大学 | A kind of friction nanometer power generator and its method based on milk protein |
| CN109474200B (en) * | 2018-12-28 | 2024-02-23 | 重庆大学 | Friction generator based on miura-ori folding and having piezoelectric enhancement effect |
| CN111835225A (en) * | 2019-04-18 | 2020-10-27 | 纳智源科技（唐山）有限责任公司 | Friction generator with folding structure |
| CN110726756A (en) * | 2019-11-13 | 2020-01-24 | 大连海事大学 | Bionic tentacle sensor based on friction nano generator |
| CN111146969B (en) * | 2019-12-30 | 2021-04-06 | 浙江大学 | Static energy capturing device based on paper folding and rebounding mechanism |
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| CN112865589A (en) * | 2021-01-30 | 2021-05-28 | 同济大学 | Road energy harvesting device based on lever principle and friction nanometer power generation |
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| CN107707149A (en) * | 2017-11-20 | 2018-02-16 | 浙江大学 | Stacking friction nanometer power generator based on paper substrate |
| CN108054951A (en) * | 2017-11-21 | 2018-05-18 | 西北工业大学 | A kind of prisoner's energy/energy storage integrated micro-nano battery based on multilayered structure |
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