CN108429483A - A kind of friction nanometer power generator of helical fold elastic construction - Google Patents
A kind of friction nanometer power generator of helical fold elastic construction Download PDFInfo
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- CN108429483A CN108429483A CN201810064164.9A CN201810064164A CN108429483A CN 108429483 A CN108429483 A CN 108429483A CN 201810064164 A CN201810064164 A CN 201810064164A CN 108429483 A CN108429483 A CN 108429483A
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- helical fold
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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
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The present invention relates to electrostatic friction, field of energy conversion, refer in particular to a kind of friction nanometer power generator of helical fold elastic construction.The generator can make the frictional layer of each generator unit that can realize synchronous be contacting and separating using the elastic construction of helical fold, and the first frictional layer double contact can be made, make the unit interval interior quantity of electric charge for shifting twice, is mainly used for solving the technical problem that output power is smaller and output performance is unstable in vibration or reciprocatory movement.
Description
Technical field
The present invention relates to electrostatic friction, field of energy conversion, refer in particular to a kind of friction nanometer hair of helical fold elastic construction
Motor.
Background technology
Energy problem be influence human progress and sustainable development one of significant problem, it is various around new energy development,
The research of regenerative resource recycling progress like a raging fire all over the world；A kind of helical fold according to the present invention
The friction nanometer power generator of elastic construction has just accepted the above theory；It is quiet based on triboelectric effect and electrostatic induction principle
Electric friction generator achieves a large amount of achievement in research in the case where numerous science team such as Wang Zhonglin team are continually striving to, and passes through the period
Property perpendicular contact-separation, the electrostatic friction generator of sliding, rotation or piezoelectric effect has been successfully used to collection machine in face
Tool energy；Application No. is 201310021766.3 Chinese patent applications to disclose a kind of foldable minitype shaking generator and its system
Method is made, two friction element contact-separation are allowed by common foldable structure, generate the friction generator of charge but this kind of form
The contact of two friction elements after cannot be automatically separated and be restored to original state and charge density is smaller, output power is relatively low；Application number
A kind of friction nanometer power generator of elastic construction is disclosed for 201710010956.3 Chinese patent application, passes through snakelike bending
Multilayer folding structure allow two layers of elastic substrates between close to each other and separation, generated between the first level and the second level
Ac signal, by the electric signal of multiple generator units, parallel connection forms electric current output, this kind of structural friction after over commutation merges
Nano generator is single-contact in the ineffective and frictional layer being automatically separated after, and the charge of unit area is close
Degree is smaller, and output current is relatively low；Application No. is 201710484297.7 Chinese patent applications to disclose a kind of layer flexible folding
Stacked friction generator, but its frictional layer is single-contact, the unit area charge density obtained is smaller, output current
It is relatively low；Present invention employs helical fold elastic constructions so that the frictional layer of each generator unit can realize synchronous contact
And separation, and frictional layer double contact is made using two-sided micro-nano-scale structure, twice of charge is shifted in the unit interval
Amount, to improve electric current output；The friction nanometer of helical fold elastic construction of the present invention and two-sided micro-nano-scale structure
Generator can be adapted for broadband vibration frequency, therefore it is of wide application.
Invention content
Present invention solves the technical problem that being：A kind of novel friction nanometer generating based on helical fold elastic construction is provided
Machine, the generator can make the frictional layer of each generator unit that can realize synchronous connect using the elastic construction of helical fold
It touches and detaches, and the first frictional layer double contact can be made, make to shift twice of the quantity of electric charge in the unit interval, be mainly used for solving
Certainly output power is smaller and output performance is unstable technical problem in vibration or reciprocatory movement.
The friction nanometer power generator of a kind of helical fold elastic construction provided by the invention, it is characterised in that including upper support
Triboelectricity unit between plate, lower supporting plate, the upper backup pad and lower supporting plate and it is connected to upper backup pad and lower branch
The elastic parts of fagging, the alternate combination of method which passes through helical fold by spiral substrate and sandwich substrate
Together；Wherein spiral substrate is both also the first frictional layer for first electrode layer, sandwich substrate is made as the first friction element
For the second friction element, rubbed as second as the second electrode lay and the frictional layer being arranged in metal layer both sides by intermediate metal layer
Wipe layer；By spiral substrate and sandwich substrate is alternate combines by way of helical fold so that the first friction element with
Second friction element contacts face-to-face, wherein what each friction element front contacted with the back side is another friction element, institute
Stress surface when stating when upper backup pad and lower supporting plate are friction nanometer power generator work by external vibration or reciprocating motion, elasticity
The elastic force that component provides auxiliary rebound makes mechanical oscillation or moves back and forth persistently to carry out, the first friction element and the second friction element
Contact with each other disengaging movement under external force.
Preferably, wherein first electrode layer and the second electrode lay are the weak metal conducting layer of bound electron ability；Second rubs
It is the strong non-metallic insulation layer of bound electron ability to wipe layer.
Preferably, both for first electrode layer and also be the spiral substrate of the first frictional layer and the material of the second electrode lay be aluminium,
The film of the albronze of copper or arbitrary proportion, thickness are 50 μm of-lmm；The material of second frictional layer is polytetrafluoroethylene (PTFE), the
The thickness of two frictional layers is 50 μm of-lmm.
Preferably, the support plate is acrylic board.
Preferably, the first friction element and the second friction element are provided opposite to by helical fold structural plane, and contact surface
Product is equal, and the friction electrode sequence of the first frictional layer and the second frictional layer has differences, and the bigger effect of difference is better.
A kind of friction nanometer power generator of helical fold elastic construction of the present invention is in external vibration or reciprocating motion and spring
So that the first friction element and the second friction element is constantly separate under the action of auxiliary force, frictional behavior is made to differ larger
One frictional layer and the second frictional layer generate positive and negative electrostatic charge, and electrostatic makes to form potential between the frictional layer counter electrode through induction
Difference, connection external loading generate electric current.
A kind of output characteristics of the friction nanometer power generator of helical fold elastic construction of the present invention from friction element quantity, toward
The factors such as multiple motion or vibration frequency, the effective friction area of frictional layer and two kinds of frictional layer material properties codetermine.
A kind of friction nanometer power generator of helical fold elastic construction of the present invention have output current is big, output voltage is high,
Structural principle is simple, cost of manufacture is cheap, it is wear-resisting it is durable, output performance is stable, output electric current and voltage can pass through adjusting
Friction layer number the features such as being controlled, the friction generator of the structure in ambient enviroment vibration and generate toward renaturation movement
Energy can effectively collect.
Compared with prior art, the invention has the advantages that；
1, by the way that two kinds of frictional layers are realized with the design of helical fold formula multilayer contact in structure, ensure that each frictional layer is tight
Lattice were contacted and are detached in the same time, were ensured that each frictional layer output performance is synchronous and consistent, were greatly improved triboelectricity
The stability of machine output current and voltage, the design of helical fold formula elastic construction is in a limited space
2, under the action of helical fold structure, make the first frictional layer double contact, twice of electricity is shifted in the unit interval
Lotus amount, to which the electric current in the unit interval increases.The friction nanometer power generator has simple and compact for structure, preparation method simplicity,
The features such as output power, before the fields such as onboard sensor power supply, the monitoring of Large-Scale Equipment health status have a wide range of applications
Scape.
Description of the drawings
It will be more clear by above-mentioned and other purposes of the invention shown in attached drawing, feature and advantage.In whole attached drawings
Identical reference numeral indicates identical part.Actual size equal proportion scaling is not pressed deliberately and draws attached drawing, it is preferred that emphasis is is shown
Go out the purport of the present invention.
Fig. 1 is the structural representation of the helical fold elastic construction friction nanometer power generator of the present invention, and wherein Fig. 1 (a) is total
Body structural schematic diagram, Fig. 1 (b) are the three dimensional structure diagram for hiding upper backup pad.
Fig. 2 (a) is the structural schematic diagram of the sandwich substrate of the present invention；Fig. 2 (b) is the structure of the spiral substrate of the present invention
Schematic diagram.
Fig. 3 (a)-(d) is the method for folding schematic diagram of the spiral substrate and sandwich substrate of the present invention；Fig. 3 (e) and (f)
The three dimensional structure diagram stretched out for the spiral substrate and sandwich substrate Fold-Combined post-tensioning of the present invention.
Fig. 4 is the fundamental diagram of normal vertical contact-separate type friction nanometer power generator.When wherein Fig. 4 (a) is contact
Fundamental diagram, Fig. 4 (b) be separation when fundamental diagram.
Fig. 5 is the fundamental diagram of the friction nanometer power generator of helical fold elastic construction.When wherein Fig. 5 (a) is contact
Fundamental diagram, Fig. 5 (b) be separation when fundamental diagram.
It is the explanation and illustration 1 of each code name, triboelectricity unit in figure below, 2, upper backup pad, 3, spring, 4, lower support
Plate, 5, sandwich substrate, 6, spiral substrate, the 7, second frictional layer, 8, the second electrode lay 9, sandwich foldable substrate 10, spiral folding
Folded substrate
Specific implementation mode
The present invention, which provides one kind, can make friction element while be contacting and separating, and can obtain twice charge density
The friction nanometer power generator of helical fold elastic construction.The friction nanometer power generator includes the friction list of multiple helical fold structures
Member, and what can be synchronized by elastic parts is contacting and separating.
The specific embodiment party of the present invention is discussed in detail in technical solution to facilitate the understanding of the present invention below in conjunction with the accompanying drawings
Method.
Referring to Fig. 1, the friction nanometer power generator of the helical fold elastic construction of the present embodiment, including triboelectricity unit 1,
Upper backup pad 2, several springs 3 and lower supporting plate 4.Wherein triboelectricity unit is passed through by sandwich substrate 5 and spiral substrate 6
The alternate composition of method of helical fold；Wherein sandwich substrate 5 by metallic film as the second electrode lay 8 and metallic film
Multiple PTFE films on positive and negative surface are as the second frictional layer 7, as shown in Fig. 2 (a)；Wherein spiral substrate 6 is by metallic film system
At both be used as induction electrode layer and also be used as frictional layer, as shown in Fig. 2 (b)；Wherein sandwich substrate 5 and spiral substrate 6 passes through spiral shell
The method of rotation folding is alternate to be combined, and sandwich foldable substrate 9 and helical fold substrate 10 are obtained.Process as shown in figure 3,
Two substrate one end are aligned to crosses stack and sandwich substrate 5 is upper first, spiral substrate 6 is used at this moment under
Environment-friendly resin glue is affixed to (as shown in Figure 3a) together, and spiral substrate 6 is then pressed dotted line toward left folding (such as Fig. 3 b), is connect
And sandwich substrate 5 folded into (such as Fig. 3 c) down by dotted line, and so on by 5,6 right-angled intersection alternate foldings, and last
One layer 5,6 are sticked together when being in contact with environment-friendly resin gluing, final as shown in Figure 3 e, are a kind of spiral when trailing up and down
Foldable structure, structure is as shown in Fig. 3 e, f, while sandwich substrate 5 becomes sandwich foldable substrate 9, and spiral substrate 6 becomes spiral shell
Revolve foldable substrate 10；This helical fold structure ensure that the substrate of the arbitrary one side both sides contact of two substrates is another base
Bottom.By the upper and lower surface of helical fold combination by environment-friendly resin glue in the center of upper and lower support plate, and introduce bullet
The both ends of spring 3, spring 3 are fixed on upper backup pad 2 and lower supporting plate 4, under the action of vibration or reciprocal external force so that spiral
Sandwich foldable substrate in Fold-Combined and helical fold substrate occur synchronize the movement that is contacting and separating generate fricting static charge.
The present invention uses helical fold elastic construction that all frictional layers is made to synchronize and contacts and detach, and increases frictional layer contact separation
Quantity；And it allows helical fold substrate to be not only used as frictional layer but also is used as induction electrode layer, double contact is carried out, in the unit interval
Twice of the quantity of electric charge will be shifted, the combination of both features greatly increases the output performance of the generator, and stability
Better than similar structures generator.
In present embodiment, the induction electrode is made of metal material, selected metal material include copper, aluminium or
The albronze of the arbitrary proportion of the two, the upper backup pad 2, lower supporting plate 4 are acrylic board.
In present embodiment, 7 material of the second frictional layer is the insulating materials such as polytetrafluoroethylene (PTFE).The helical fold formula
Frictional layer shape, the material and size size of friction nanometer power generator are adjustable, just such as the optional flat rectangular of shape, plane
It is rectangular etc..
A kind of friction nanometer power generator operation principle of helical fold elastic construction described in present embodiment is：Arbitrary
Under the reciprocal external force or vibration environment of frequency, the tow sides of helical fold substrate and two group of second frictional layer 7 phase mutual connection simultaneously
It touches and detaches, since each friction layer material can form chemical bond in certain part surface at the time of contact, charge is shifted by a surface
To another surface, to balance the electrochemistry potential difference of the two.The nano generator of the present invention connects since helical fold substrate is two-sided
The second frictional layer 7 is touched, therefore helical fold substrate surface will shift twice of the quantity of electric charge at the time of contact, to improve output
Performance.As shown in Figures 4 and 5, we are by comparing common perpendicular contact friction nanometer power generator and present invention friction nanometer hair
Fundamental diagram of the motor when being contacting and separating easily show that the friction nanometer power generator of the present invention displaced on induction electrode
Twice of the quantity of electric charge.
The friction nanometer power generator of a kind of helical fold elastic construction of the present invention known to as a result, has simple in structure, system
Make the advantages that convenient, of low cost, output power is high, output performance is stablized.At the same time, the generator can pass through structure
Change adjustment friction layer number, to control its output performance；The generator can be in list by the double contact of frictional layer
The quantity of electric charge that twice is shifted in the time of position, to obtain higher output.Helical fold elastic construction of the present invention and two-sided
The friction nanometer power generator of micro-nano-scale structure can be adapted for broadband vibration frequency, therefore it is of wide application.
Embodiment above describes the basic principles and main features and advantage of the present invention, and the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, under the range for not departing from the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements are each fallen within
In the scope of protection of the invention.
Claims (7)
1. a kind of friction nanometer power generator of helical fold elastic construction, which is characterized in that the friction nanometer power generator includes
Triboelectricity unit between upper backup pad, lower supporting plate, the upper backup pad and lower supporting plate and it is connected to upper backup pad
The method phase that helical fold is passed through by spiral substrate and sandwich substrate with the elastic parts of lower supporting plate, the triboelectricity unit
Between combine；Wherein spiral substrate is both also the first frictional layer, sandwich for first electrode layer as the first friction element
As the second electrode lay and the frictional layer conduct in metal layer both sides is arranged as the second friction element, by intermediate metal layer in substrate
Second frictional layer；By spiral substrate and sandwich substrate is alternate combines by way of helical fold so that the first friction
Unit contacts face-to-face with the second friction element, wherein what each friction element front contacted with the back side is that another friction is single
Stress when member, the upper backup pad and lower supporting plate being friction nanometer power generator work by external vibration or reciprocating motion
Face, the elastic force that elastic parts provides auxiliary rebound make mechanical oscillation or move back and forth persistently to carry out, the first friction element and second
Friction element contacts with each other disengaging movement under external force.
2. a kind of friction nanometer power generator of helical fold elastic construction as described in claim 1, which is characterized in that the first electricity
Pole layer and the second electrode lay are the weak metal conducting layer of bound electron ability；Second frictional layer is the strong non-gold of bound electron ability
Belong to insulating layer.
3. a kind of friction nanometer power generator of helical fold elastic construction as described in claim 1, which is characterized in that be both the
One electrode layer is also the spiral substrate of the first frictional layer and the albronze that the material of the second electrode lay is aluminium, copper or arbitrary proportion
Film, thickness is 50 μm of-lmm；The material of second frictional layer is polytetrafluoroethylene (PTFE), the thickness of the second frictional layer is 50 μm-
lmm。
4. a kind of friction nanometer power generator of helical fold elastic construction as described in claim 1, which is characterized in that the branch
Fagging is acrylic board.
5. a kind of friction nanometer power generator of helical fold elastic construction as described in claim 1, which is characterized in that first rubs
It wipes unit and the second friction element is provided opposite to by helical fold structural plane, and contact area is equal, and the first frictional layer
It is had differences with the friction electrode sequence of the second frictional layer, and the bigger effect of difference is better.
6. a kind of friction nanometer power generator of helical fold elastic construction as described in claim 1, which is characterized in that a kind of spiral shell
The friction nanometer power generator of rotation folded elastic structure makes first under the action of external vibration or reciprocating motion and spring auxiliary force
Friction element and the second friction element are constantly separate, and frictional behavior is made to differ larger the first frictional layer and the second frictional layer
Positive and negative electrostatic charge is generated, electrostatic makes to form potential difference between the frictional layer counter electrode through induction, and connection external loading generates electricity
Stream.
7. a kind of friction nanometer power generator of helical fold elastic construction as described in claim 1, which is characterized in that the spiral shell
Revolving the alternate method combined of method that substrate and sandwich substrate pass through helical fold is：First by sandwich substrate and
Spiral substrate one end alignment cross stacks and sandwich substrate is upper, and spiral substrate uses environment-friendly resin at this moment under
Glue is affixed to together, and spiral substrate is then pressed dotted line toward left folding, then folds sandwich substrate down by dotted line,
And so on by sandwich substrate and spiral substrate right-angled intersection alternate folding, and in last layer of sandwich substrate and spiral base
It is sticked together with environment-friendly resin gluing when bottom is in contact, is a kind of helical fold structure when trailing up and down, while sandwich
Substrate 5 becomes sandwich foldable substrate, and spiral substrate becomes helical fold substrate；It ensure that the arbitrary one side both sides of two substrates connect
Tactile substrate is another substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810064164.9A CN108429483B (en) | 2018-01-23 | 2018-01-23 | Friction nanometer generator with spiral folding elastic structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810064164.9A CN108429483B (en) | 2018-01-23 | 2018-01-23 | Friction nanometer generator with spiral folding elastic structure |
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| CN108429483A true CN108429483A (en) | 2018-08-21 |
| CN108429483B CN108429483B (en) | 2019-12-31 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109474200A (en) * | 2018-12-28 | 2019-03-15 | 重庆大学 | The friction generator of piezoelectricity enhancement effect is folded and had based on miura-ori |
| CN110492777A (en) * | 2019-08-30 | 2019-11-22 | 河南师范大学 | A kind of helical form triboelectricity device based on 3D printing technique production |
| CN111664875A (en) * | 2020-05-27 | 2020-09-15 | 江苏大学 | Self-powered sliding sensor with surface microtexture and contact area-variable structure |
| CN115001306A (en) * | 2022-06-29 | 2022-09-02 | 哈尔滨工业大学 | Light-weight triboelectric nano-generator based on paper folding structure and application thereof |
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| WO2015010419A1 (en) * | 2013-07-22 | 2015-01-29 | 国家纳米科学中心 | Sliding friction based pulse generator and power generation method |
| KR20160112043A (en) * | 2015-03-17 | 2016-09-28 | 한국생산기술연구원 | Insole with power generator and manufacturing method of the same |
| CN107342702A (en) * | 2017-06-23 | 2017-11-10 | 河南师范大学 | A kind of collapsible friction generator of layer flexible |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015010419A1 (en) * | 2013-07-22 | 2015-01-29 | 国家纳米科学中心 | Sliding friction based pulse generator and power generation method |
| KR20160112043A (en) * | 2015-03-17 | 2016-09-28 | 한국생산기술연구원 | Insole with power generator and manufacturing method of the same |
| CN107342702A (en) * | 2017-06-23 | 2017-11-10 | 河南师范大学 | A kind of collapsible friction generator of layer flexible |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109474200A (en) * | 2018-12-28 | 2019-03-15 | 重庆大学 | The friction generator of piezoelectricity enhancement effect is folded and had based on miura-ori |
| CN109474200B (en) * | 2018-12-28 | 2024-02-23 | 重庆大学 | Friction generator based on miura-ori folding and having piezoelectric enhancement effect |
| CN110492777A (en) * | 2019-08-30 | 2019-11-22 | 河南师范大学 | A kind of helical form triboelectricity device based on 3D printing technique production |
| CN111664875A (en) * | 2020-05-27 | 2020-09-15 | 江苏大学 | Self-powered sliding sensor with surface microtexture and contact area-variable structure |
| CN111664875B (en) * | 2020-05-27 | 2022-05-20 | 江苏大学 | Self-powered sliding sensor with surface microtexture and variable contact area structure |
| CN115001306A (en) * | 2022-06-29 | 2022-09-02 | 哈尔滨工业大学 | Light-weight triboelectric nano-generator based on paper folding structure and application thereof |
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