CN109450288B - A kind of friction nanometer power generator and its method based on milk protein - Google Patents
A kind of friction nanometer power generator and its method based on milk protein Download PDFInfo
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- CN109450288B CN109450288B CN201811341210.1A CN201811341210A CN109450288B CN 109450288 B CN109450288 B CN 109450288B CN 201811341210 A CN201811341210 A CN 201811341210A CN 109450288 B CN109450288 B CN 109450288B
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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 invention discloses a kind of friction nanometer power generator and its method based on milk protein.Friction nanometer power generator includes the scissor-type support construction being made of several X-shaped structural units, X-shaped structural unit includes cross one another first plate and the second plate, the upper and lower surface of structural unit is provided with conductive ink layer, and Teflon adhesive tape layer is covered on the first plate；Solid-state milk film layer is covered on second plate, solid-state milk film and Teflon adhesive tape are used as friction electric material.This friction nanometer power generator proposed, which can provide three kinds of operating modes, moreover can also detect the motion state of human body from human body acquisition mechanical energy, such as walking, running and jump.And can also be used in detect milk in protein content, originally researched and proposed it is a kind of have potential light, flexible and wearable electronic product, especially micro-energy acquisition, wireless aware and food quality detection etc. fields.
Description
Technical field
The present invention relates to a kind of friction nanometer power generators based on milk protein.The friction nanometer power generator can be used for collecting
The mechanical energy and monitoring human motion state that human motion generates, and can detecte the content of protein in milk.Belong to and receives
Meter Neng Yuan and food quality detection field.
Background technique
In the past ten years, with the emergence and development of Internet of Things and the maturation of artificial intelligence technology, it is brought
Another wave information industry.Intelligent wearable electronic product is influencing the every aspect of human lives, such as personal information and communication
Safety, health monitoring, Multifunctional mobile amusement etc..In addition, the main innovation of advanced function material assigns electronic product uniqueness
Skin properties, such as flexibility and tensility, to promote the development of wearable electronic product.Therefore, light, it flexibly, can
The electronic product of wearing is the emphasis of recent scientific research, they are applied to intelligent safety and defence system, Internet of Things, and portable electronic is set
Standby (such as mobile phone, bluetooth headset, motion bracelet), wireless aware etc..On the other hand, continued power will be in the continuous fortune of these equipment
Important and irreplaceable role is played in row.However, conventional solid-state batteries are still preferred so far, but there are many apparent scarce
Point, including weight are big, and volume is big, periodically charge, and to the great risk of human health.
In face of these challenges, a kind of promising method is that energy is obtained from our living environment, especially from people
Energy is obtained in the human body of the big energy of body movement generation.But it is previously based on piezoelectric effect, photovoltaic effect and galvanomagnetic-effect
Energy collection technology is difficult to obtain machine from human motion due to severe operating condition and unsatisfactory output performance
Tool energy.Fortunately, the friction nanometer power generator based on triboelectrification and electrostatic induction effect has proved to be will be generally existing
Ambient mechanical can be converted to effective alternative solution of electric energy, especially for the mechanical movement of low frequency and amplitude.A few thing
Have been proven that self-powered sensor/electronic equipment side is being powered for various miniaturized electronics or manufactured to friction nanometer power generator
The feasible applications in face.At the same time, many because being known as of friction nanometer power generator output performance are influenced, the choosing for the electric material that such as rubs
It selects, surface roughness, geometry and dielectric properties etc..Wherein, the selection of electric material of rubbing is the most important thing.Just as in the previous
As publication is pointed, triboelectric series plays key effect in friction electric process, because it can distinguish friction electricity
Material loses or obtains the ability of charge during effect.In other words, two kinds friction electric materials between this ability it is huge
Relative different will bring outstanding output performance for TENG.In addition, friction electric material is wearable to human body, therefore they are answered
This is biological close friend, lightweight and flexible.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of, and the friction nanometer based on milk protein is sent out
Motor.
Friction nanometer power generator the present invention is based on milk protein includes scissor-type support construction, the scissor-type support
Structure is made of several X-shaped structural units, and the X-shaped structural unit includes cross one another first plate and second
The upper and lower surface of plate, first plate and the second plate is provided with conductive ink layer, the electrically conductive ink of the first plate
Teflon adhesive tape layer is all covered on layer；It is all covered with one layer of paper substrate on the conductive ink layer of second plate, on paper substrate
It is covered with solid-state milk film layer, and the conductive ink layer on the first plate and the second plate in same X-shaped structural unit
It does not contact；The first plate between two neighboring X-shaped structural unit is connected with each other, between two neighboring X-shaped structural unit
The second plate be connected with each other.
Preferably, first plate and the second panel size are identical, and the position of two flat panels is in two plates
Point；A diamond structure is constituted after two neighboring X-shaped structural unit combination.X-shaped structural unit can be with by stacked structure
Enhancing output electric current, and then promote its output performance；
Preferably, the solid-state milk film the preparation method comprises the following steps: conductive ink layer upper spread milk, and by its
Drying, obtains solid-state milk film.
The conductive ink layer by smear transparent conductive ink obtain, the electrically conductive ink have good electric conductivity and
Flexibility, it is easy to apply on paper, and when substrate is deformed, electric conductivity is unaffected.
Preferably, the Teflon tape surface is polished by the sand paper of 120 mesh to increase its roughness.Teflon glue
Two kinds of materials of band and milk all have good flexibility, are suitble to use under complex environment.
Preferably, first plate and the second plate are to do common paper jam.Paper jam has good flexibility, and
It is easy the characteristics of cutting out.
Described its working principle of the friction nanometer power generator based on milk protein is using in vertically separated model
" dielectric substance-dielectric substance " mode.
The invention discloses the preparation method of the friction nanometer power generator based on milk protein described in one kind, including it is as follows
Step:
1) it cuts and obtains the identical paper base material of multi-disc size；
2) electrically conductive ink is applied to a surface of paper base material, is then dried up with hair dryer；
3) Teflon adhesive tape is sticked in the side that wherein half paper base material is coated with electrically conductive ink, do not had in other half paper base material
There is the side spread milk for smearing electrically conductive ink, and dried up with hair dryer, obtains solid-state milk film；
4) paper base material for being stained with Teflon adhesive tape and solid-state milk film is respectively adhered on the identical paper jam of two sizes
Upper and lower surface；
5) paper jam is converted into " W " shape using the length of paper base material as the distance between folding line,
6) several gaps are cut out on two paper jams to be used to mutually be fitted into；Gap is located at the midpoint of two neighboring folding line
Place；Two paper jams are fitted together by the way that gap is chimeric up to the friction nanometer power generator based on milk protein.
The invention also discloses the electricity-generating methods of the friction nanometer power generator based on milk protein described in one kind, including with
Lower step:
1) according to the quantity for requiring determining X-shaped structural unit, X-shaped structural unit is combined to obtain based on milk protein
Friction nanometer power generator；
2) friction nanometer power generator based on milk protein is compressed with external force；
When external force applies along the direction that X-shaped structural unit arranges；Form the first plate and the of X-shaped structural unit
Two plates are pressed, and solid-state milk film composition friction electricity is right on the Teflon adhesive tape layer and the second plate on the first plate, are rubbed
It wipes electricity and generates charge to because of friction；It is of the same race when the diamond structure of two neighboring X-shaped structural unit composition is compressed at this time
Material；
When external force applies perpendicular to the direction that X-shaped structural unit arranges；Form the first plate of X-shaped structural unit
It is pressed with the second plate, solid-state milk film constitutes friction electricity on the Teflon adhesive tape layer and the second plate on the first plate
It is right；Friction electricity generates charge to because of friction；It is when the diamond structure of two neighboring X-shaped structural unit composition is compressed at this time
Two kinds of materials contact with each other；(same material friction can not generate charge)；
When external force applies in other directions；Form X-shaped structural unit the first plate and the second plate it is same because by
Power generates deformation, and deformation makes part Teflon adhesive tape layer and part solid-state milk film contacts generation charge thereon；
3) it arranges conducting wire, keeps the structural unit for generating charge in parallel；Repeated Compression is sent out based on the friction nanometer of milk protein
Motor；Two parts surface of friction electricity pair generates positive and negative charge, can also induce phase as the electrically conductive ink of induction electrode at this time
The charge answered, as two parts of friction electrode separate, the charge on conductive electrode generates electric current by driving.
The friction nanometer power generator based on milk protein can provide multiple-working mode, can be used for people and walk
Road is run, jump, and the mechanical energy of swing arm and waist movement generation can judge the motion state of people by output signal.
The friction nanometer power generator based on milk protein can be used for detecting the content of protein in milk.It is based on
The content method of protein in the milk of the friction nanometer power generator based on milk protein, comprising the following steps:
1) milk to be measured is applied on the paper substrate of the second plate；And dried up with hair dryer, as of the invention
Solid-state milk film；X-shaped structural unit is combined to obtain the friction nanometer power generator based on milk protein；
2) friction nanometer power generator is placed below vibrator；The amplitude and vibration frequency for adjusting vibrator, make it one
Determine to work under frequency and amplitude；
3) positive and negative anodes of the friction nanometer power generator based on milk protein are directly connect with oscillograph；It is defeated by measuring its
Voltage signal reacts the content of protein in milk out.
Advantage for present invention:
(1) using edible material common in life, influence of the electronic device to human health is reduced；
(2) material source for making the friction nanometer power generator is extensive, low in cost；
(3) material roughness is increased by sand paper, reduced the production cost, it can be achieved that being mass produced；
(4) generator can be not only used for collecting the mechanical energy that human motion generates, and can be also used for monitoring human body fortune
Dynamic state；
(5) generator can be also used for the content of protein in detection milk；
(6) friction nanometer power generator invented has higher power density, by measured power density up to 577.5 μ W/
cm2；
(7) by experiment test, having a size of 2cm × 4cm friction nanometer power generator, then with hand press about 5HZ make
Under, the open-circuit voltage of 391V and the short circuit current of 92 μ A can produce；
(7) integrated structure designs, and simplifies structure, reduces costs；
(8) three kinds of operating modes, axial tension-compression, bending, transverse compression-stretching can satisfy under different situations
Working environment, for example, running, walking, jump, swing arm, waist movement；
(9) there is very high reliability, after vibrator repeatedly presses, electric property is still stable.
Detailed description of the invention
Fig. 1 is the friction nanometer power generator structural schematic diagram based on milk protein；
Fig. 2 is Teflon adhesive tape layer paper base material manufacturing process figure；
Fig. 3 is solid-state milk film paper base material manufacturing process figure；
Fig. 4 is paper jam cutting schematic diagram；
Fig. 5 is the friction nanometer power generator combination diagram based on milk protein；
Fig. 6 is the result figure that the present invention collects the mechanical energy that human motion generates；
Fig. 7 is the present invention for detecting the content of protein in milk；
Fig. 8 still has good reliability for continuous work 5000 times of the present invention.
Specific embodiment
Invention will be further explained below with reference to the drawings and examples..
It refering to fig. 1, include scissor-type support construction the present invention is based on the friction nanometer power generator of milk protein, described cuts
V shape support construction is made of several X-shaped structural units, and the X-shaped structural unit includes cross one another first flat
The upper and lower surface of plate and the second plate, first plate and the second plate is provided with conductive ink layer, the first plate
Teflon adhesive tape layer is all covered on conductive ink layer；One layer of paper substrate, paper are all covered on the conductive ink layer of second plate
Solid-state milk film layer, and leading on the first plate and the second plate in same X-shaped structural unit are all covered in base
Electric ink layer does not contact；The first plate between two neighboring X-shaped structural unit is connected with each other, two neighboring X-shaped structure
The second plate between unit is connected with each other.
Refering to Fig. 2-5, a kind of production method of the friction nanometer power generator based on milk protein, comprising the following steps:
1) office is cut into paper slip of the multi-disc having a size of 2cm × 4cm with A4 paper, depending on quantity is as needed；
2) smearing transparent conductive ink is applied to the surface of paper slip, is then dried up with hair dryer；
3) Teflon adhesive tape is sticked in the side that wherein half paper slip is coated with electrically conductive ink, is not applied in other half paper slip
The side spread milk of electrically conductive ink is smeared, and is dried up with hair dryer；
4) Teflon adhesive tape will be stained with and be coated with the paper base material card having a size of 2cm × 16cm that is respectively adhered on two panels of milk
Paper surface；
5) 4 parallel gaps are cut out on every paper jam to be used to be fitted into；
6) two panels paper jam is converted into " W " shape, they is fitted together by gap；
Refering to Fig. 6, the friction nanometer power generator of the invention based on milk protein is arranged in sole；By human motion
Action compresses friction nanometer power generator；The mechanical energy that can be not only used for collecting human motion generation can be also used for monitoring people
Body motion state, for example, walking, running, jump.From fig. 6 it can be seen that under three kinds of walking, running, jump states, instead
The frequency of compound compression is different, and the voltage that the friction nanometer power generator based on milk protein generates also is different.Therefore
The frequency and voltage of the voltage that can be generated by friction nanometer power generator judge the motion state of human body.
Refering to Fig. 7, the present invention is based on the friction nanometer power generators of milk protein can be used for detecting protein in milk
Content；Milk to be measured is applied on the paper substrate of the second plate；And dried up with hair dryer, as solid-state ox of the invention
Milk film；Voltage tester is carried out under fixed compression frequency and amplitude.It can be found that in a certain range, with milk quality
Raising, the voltage that friction nanometer power generator generates also increases accordingly, but after content reaches certain value, with milk quality
It improves, significant change no longer occurs for voltage.It is found using the mass percent concentration of milk as research object, works as percent concentration
When raising, the voltage that friction nanometer power generator generates also is increased accordingly, therefore can be used for detecting the content of protein in milk.
Refering to Fig. 8, for the present invention is based on the testing fatigue of the friction nanometer power generator of milk protein, in figure as can be seen that
Still there is good reliability the generator continuous work 5000 times.
The invention also discloses a kind of electricity-generating methods of friction nanometer power generator based on milk protein, it is characterised in that packet
Include following steps:
1) friction nanometer power generator is made as requested, determines the quantity of stackable unit as needed；
2) make the friction electricity of generator to that can contact with each other with external force, then separate, and so on move；
3) it arranges conducting wire, keeps each generator unit in parallel；
4) reciprocating motion that friction electrode is carried out using external force is rubbed when two parts of friction electricity pair contact with each other
Two parts surface for wiping electrode can generate positive and negative charge, and induction electrode can also induce corresponding charge at this time, with friction electricity
Two parts of pole separate, and the charge on conductive electrode generates electric current by driving.
In the present invention, it is well known that milk is a kind of low cost and wholesome food, the day of even many people
Normal breakfast.As a kind of pure natural free of contamination material, milk is biological friendly, harmless, preparation to our body
Complicated process is not needed.Moreover, as routine office work articles, paper is had many advantages, such as low cost, it is light and flexible,
But even more noteworthy, milk is liable to stick on the surface of paper.Therefore, office paper is used as substrate to prepare solid
Milk film.Cardboard provides as support member and stablizes durable structure.Specifically, the friction nanometer power generator of the invention
Follow assembling paper-cut and the paper folding framework of diamond shape.Further, since losing the great ability of electronics, paper has been made into the electric material that rubs
Material.Therefore, it is necessary to compare paper and influence of the solid milk film to TENG output performance.According to experimental result, it is clearly illustrated
Friction nanometer power generator based on milk has optimal output performance, and further illustrates that it can be accounted in triboelectric series
According to top positive position.It is tested according to experiment, protein concentration is the important of influence friction nanometer power generator output performance in milk
Factor, therefore the friction nanometer power generator can be used for testing the content of protein in milk.As described above, surface roughness is also
One of the key parameter of friction nanometer power generator output performance is influenced, therefore the present invention proposes to increase with the friction process of sand paper
The surface roughness of Teflon adhesive tape.
Tested based on a series of experiments, the maximum short circuit current of friction nanometer power generator of the present invention, maximum open circuit voltage and
Output power density is respectively up to 92 μ A, 391V and 577.5 μ W/cm2.In order to improve output performance, it can design and manufacture
The output of enhancing can be observed through realizing for stack friction nanometer power generator.The size of friction nanometer power generator of the invention is
When 5cm × 5cm, the blue great power LED that 81 operating voltages are 3.4V can be directly lighted.
Claims (7)
1. a kind of friction nanometer power generator based on milk protein, it is characterised in that the friction nanometer power generator includes scissor
Formula support construction, the scissor-type support construction are made of several X-shaped structural units, the X-shaped structure list
Member includes cross one another first plate and the second plate, and the upper and lower surface of first plate and the second plate is provided with
Conductive ink layer is all covered with Teflon adhesive tape layer on the conductive ink layer of the first plate；On the conductive ink layer of second plate
It is all covered with one layer of paper substrate, solid-state milk film layer, and first in same X-shaped structural unit are all covered on paper substrate
Conductive ink layer on plate and the second plate does not contact；The first plate between two neighboring X-shaped structural unit mutually interconnects
It connects, the second plate between two neighboring X-shaped structural unit is connected with each other.
2. the friction nanometer power generator according to claim 1 based on milk protein, it is characterised in that described first is flat
Plate and the second panel size are identical, and the position of two flat panels is the midpoint of two plates；Two neighboring X-shaped structural unit combination
A diamond structure is constituted afterwards.
3. the friction nanometer power generator according to claim 1 based on milk protein, it is characterised in that the solid-state ox
Milk film the preparation method comprises the following steps: on paper substrate spread milk, and dried up, obtain solid-state milk film.
4. the friction nanometer power generator according to claim 1 based on milk protein, it is characterised in that the Teflon
Tape surface is polished by sand paper to increase its roughness.
5. the friction nanometer power generator according to claim 1 based on milk protein, it is characterised in that described first is flat
Plate and the second plate are paper jam.
6. a kind of preparation method of the friction nanometer power generator based on milk protein as described in claim 1, it is characterised in that
Include the following steps:
1) it cuts and obtains the identical paper base material of multi-disc size；
2) electrically conductive ink is applied to a surface of paper base material, is then dried up with hair dryer；
3) Teflon adhesive tape is sticked in the side that wherein half paper base material is coated with electrically conductive ink, is not applied in other half paper base material
The side spread milk of electrically conductive ink is smeared, and is dried up with hair dryer, solid-state milk film is obtained；
4) paper base material for being stained with Teflon adhesive tape and solid-state milk film is respectively adhered on the upper of the identical paper jam of two sizes
Lower surface；
5) paper jam is converted into " W " shape using the length of paper base material as the distance between folding line,
6) several gaps are cut out on two paper jams to be used to mutually be fitted into；Gap is located at the midpoint of two neighboring folding line；
Two paper jams are fitted together by the way that gap is chimeric up to the friction nanometer power generator based on milk protein.
7. a kind of electricity-generating method of the friction nanometer power generator based on milk protein as described in claim 1, it is characterised in that
The following steps are included:
1) it according to the quantity for requiring determining X-shaped structural unit, combines X-shaped structural unit to obtain rubbing based on milk protein
Wipe nano generator；
2) friction nanometer power generator based on milk protein is compressed with external force；
When external force applies along the direction that X-shaped structural unit arranges；Form the first plate of X-shaped structural unit and second flat
Plate is pressed, and solid-state milk film constitutes electric right, the friction electricity that rubs on the Teflon adhesive tape layer and the second plate on the first plate
Charge is generated to because of friction；
When external force applies perpendicular to the direction that X-shaped structural unit arranges；Form the first plate and the of X-shaped structural unit
Two plates are pressed, and it is right to constitute friction electricity for solid-state milk film on the Teflon adhesive tape layer and the second plate on the first plate；It rubs
It wipes electricity and generates charge to because of friction；It is two kinds when the diamond structure of two neighboring X-shaped structural unit composition is compressed at this time
Material contacts with each other；
When external force applies in other directions；The first plate and the second plate for forming X-shaped structural unit are equally because stress produces
Raw deformation, deformation make part Teflon adhesive tape layer and part solid-state milk film contacts generation charge thereon；
3) it arranges conducting wire, keeps the structural unit for generating charge in parallel；Friction nanometer power generator of the Repeated Compression based on milk protein；
Two parts surface of friction electricity pair generates positive and negative charge, can also induce corresponding electricity as the electrically conductive ink of induction electrode at this time
Lotus, as two parts of friction electrode separate, the charge on conductive electrode generates electric current by driving.
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| CN111564986A (en) * | 2020-06-05 | 2020-08-21 | 西南大学 | Penicillin tablet-based friction nano generator and manufacturing method and application thereof |
| CN113437898B (en) * | 2021-06-23 | 2022-10-28 | 上海大学 | Paper-based triboelectric self-powered multi-scale man-machine interaction device |
Citations (3)
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|---|---|---|---|---|
| CN103368452A (en) * | 2013-03-08 | 2013-10-23 | 国家纳米科学中心 | Electrostatic impulse generator and direct current (DC) impulse generator |
| CN107800323A (en) * | 2016-09-07 | 2018-03-13 | 北京纳米能源与系统研究所 | A kind of full degradable nano generator of natural material |
| CN108336924A (en) * | 2018-02-06 | 2018-07-27 | 中国科学院上海微系统与信息技术研究所 | A kind of bioprotein flexible nano friction generator and preparation method thereof |
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| US10431998B2 (en) * | 2014-04-03 | 2019-10-01 | Laslo Olah | Sub for a pipe assembly and system and method for use of same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368452A (en) * | 2013-03-08 | 2013-10-23 | 国家纳米科学中心 | Electrostatic impulse generator and direct current (DC) impulse generator |
| CN107800323A (en) * | 2016-09-07 | 2018-03-13 | 北京纳米能源与系统研究所 | A kind of full degradable nano generator of natural material |
| CN108336924A (en) * | 2018-02-06 | 2018-07-27 | 中国科学院上海微系统与信息技术研究所 | A kind of bioprotein flexible nano friction generator and preparation method thereof |
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