CN108092543A - A kind of triboelectricity device - Google Patents
A kind of triboelectricity device Download PDFInfo
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- CN108092543A CN108092543A CN201810070258.7A CN201810070258A CN108092543A CN 108092543 A CN108092543 A CN 108092543A CN 201810070258 A CN201810070258 A CN 201810070258A CN 108092543 A CN108092543 A CN 108092543A
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- frictional layer
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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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Abstract
The embodiment of the present invention provides a kind of triboelectricity device, which includes the first component and second component that are oppositely arranged；The first component includes the first conductive layer；Second component includes the second conductive layer；The first component further includes：First frictional layer, the lower surface of the first frictional layer at least one prominent structure and the upper surface of the second conductive layer at least one prominent structure cross arrangement；And/or second component, it further includes：Second frictional layer；The lower surface of first conductive layer at least one prominent structure and the second frictional layer upper surface at least one prominent structure report to the leadship after accomplishing a task arrangement；Wherein, the receiving and losing electrons ability of the material of the material of the first frictional layer and the second frictional layer is different.Under external force, relative motion occurs for the first component and second component, make the first component that contact be repeated at the rubbing surface of at least one prominent structure with second component, rub and separate, wherein the rubbing surface is in the side of at least one prominent structure, so as to form charge inducing on the first conductive layer and the second conductive layer.
Description
Technical field
The present invention relates to triboelectricity technical field more particularly to a kind of triboelectricity devices.
Background technology
Friction generator is different using the receiving and losing electrons ability of different materials, by the way that charge occurs during being contacting and separating
Transfer, realizes the output of electrical power.The key of friction generator technology is to realize effective friction have at low cost, output electricity
The advantages of high is pressed, has great application potential in the fields such as fabric fibre power generation, tidal power generation and electronics.But
It is, with the development of microelectronics and microsystems technology, the characteristics of micromation is increasingly presented in electronic device and function sensor, limit
The area of applying of friction generator is made, while micromation to friction generator and integrated level propose higher requirement.
In the prior art, frictional interface is generally arranged to parallel with plane where device by triboelectricity device, this flat
Row frictional interface using area to having higher requirements, and in order to improve output voltage, generally requires to be laid with the triboelectricity of large area
Machine is unfavorable for the system integration.
The content of the invention
An embodiment of the present invention provides a kind of triboelectricity devices, it is therefore an objective to solve in the prior art generator small area and
Integrated application difficult point.
In a first aspect, the present invention provides a kind of triboelectricity device, which may include：First be oppositely arranged
Component and second component.
The first component includes the first conductive layer；Second component includes the second conductive layer；The first component further includes：First
The upper surface of the first frictional layer that the lower surface of conductive layer is set, the lower surface of the first frictional layer and the second conductive layer is respectively provided with
At least one first protrudes structure, and at least one first that the lower surface of the first frictional layer has protrudes structure and the second conductive layer
Upper surface have it is at least one first protrude structure cross arrangement；And/or second component, it further includes：In the second conductive layer
The second frictional layer for setting of upper surface, the upper surface of the lower surface of the first conductive layer and the second frictional layer is respectively provided at least one
A first protrudes structure, and at least one first that the lower surface of the first conductive layer has protrudes structure and the upper table of the second frictional layer
At least one first protrusion structure that face has is reported to the leadship after accomplishing a task arrangement；Wherein, the material of the material of the first frictional layer and the second frictional layer
Receiving and losing electrons ability it is different.
Triboelectricity device provided in an embodiment of the present invention passes through what is set in the lower surface of the first component and second component
At least one prominent structure, the protrusion structure on the first component and second component is cross arrangement, and the protrusion structure
Two sides are frictional interface.Under external force, relative motion occurs for the first component and second component, makes the first component and the
Contact, friction and separation is repeated at the rubbing surface of prominent structure in two components, so as to conductive in the first conductive layer and second
Charge inducing is formed on layer.
Preferably, the lower surface of the first conductive layer also has at least one second to protrude structure, and at least one second protrudes
At least one first protrusion structure insertion that structure has respectively with the lower surface of the first frictional layer is connected；And/or second is conductive
The upper surface of layer also has at least one second to protrude structure, and at least one second protrusion structure is upper with the second frictional layer respectively
At least one first protrusion structure insertion that surface has is connected.
Preferably, triboelectricity device further includes：Fine structure；Wherein, fine structure is arranged under the first frictional layer
Surface and/or, in the upper surface of the second frictional layer.
Preferably, fine structure, including：Nano wire, nanotube, nanometer channel, nanocone, nanometer rods, are received nano particle
One kind in rice ball, micron particles, micron trenches, micron cone, micron bar or micron ball.
Preferably, the side of at least one prominent structure is rubbing surface, and rubbing surface hangs down with plane where triboelectricity device
Directly.
Preferably, at least one first structure is protruded as array protrusion structure；At least one second protrudes structure as battle array
Column protrudes structure.
Preferably, the first protrusion structure is：Rectangle, triangle, trapezoidal, semicircle, circular, irregular fold-line-shaped or not
One kind in regular arc；Second protrudes structure as rectangle, triangle, trapezoidal, semicircle, circular, irregular fold-line-shaped or not
One kind in regular arc.
Preferably, the first frictional layer is flexible material, and the second frictional layer is rigid material or flexible material；Or, first rub
It is rigid material or flexible material to wipe layer, and the second frictional layer is flexible material.
A kind of triboelectricity device provided in an embodiment of the present invention, compared with prior art, has：
(1) rubbing surface can be such that friction area is expanded on element height direction, Neng Gou perpendicular to plane where device
Increase friction area in smaller area, solves small area applications difficult point；
(2) vertical frictional interface can be obtained by micro-processing technology, be easy to microelectronic component and the system integration, help
It is miniaturized and integrated difficult point in solving friction generator device；
(3) array protrudes structure realizes multiple vertical frictional interfaces in finite plane area, these protrude structure
Micron order or nano level line width or spacing can be obtained by micro-nano technology technology, reach high array density, further
The friction area of device is increased, improves the output voltage of device.
(4) large deformation and the characteristic recovered can be generated under external force using flexible friction layer, it is and another rigid or soft
Frottage layer can preferably protect frictional interface not destroyed and worn by external force during being contacting and separating, that improves device can
By property.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the embodiment of the present invention and background technology
Needed in attached drawing be briefly described, it should be apparent that, drawings described below is only some embodiments, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 (a)-Fig. 1 (c) is an embodiment of the present invention provides a kind of structure diagrams of triboelectricity device；
Fig. 2 (a)-Fig. 2 (d) is the fundamental diagram of triboelectricity device in Fig. 1；
Fig. 3 (a)-Fig. 3 (c) is the constructive embodiment figure an embodiment of the present invention provides another triboelectricity device；
Fig. 4 is the constructive embodiment figure an embodiment of the present invention provides another triboelectricity device；
Fig. 5 is the work flow of the first component and second component in Fig. 4.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, belongs to the scope of protection of the invention.
Fig. 1 (a)-Fig. 1 (c) is an embodiment of the present invention provides a kind of structure diagrams of triboelectricity device.
As shown in Fig. 1 (a), which can include：The first component and second component being oppositely arranged.First
Component includes the first conductive layer 12 and the first frictional layer 11, and the first frictional layer 11 is arranged on the lower surface of the first conductive layer 12；The
Two components include the second conductive layer 22；The lower surface of first frictional layer 11 and the upper surface of the second conductive layer 22 are respectively provided at least
One first protrusion structure, at least one first that the lower surface of the first frictional layer 11 has protrude structure and the second conductive layer 22
Upper surface have it is at least one first protrude structure cross arrangement.
As shown in Fig. 1 (b), which can include：The first component and second component being oppositely arranged.First
Component includes the first conductive layer 12；Second component includes the second conductive layer 22 and the second frictional layer 21, and the second frictional layer 21 is set
In the lower surface of the second conductive layer 22；The lower surface of first conductive layer 12 and the upper surface of the second frictional layer 21 are respectively provided at least
One first protrusion structure, at least one first that the lower surface of the first conductive layer 12 has protrude structure and the second frictional layer 22
At least one first protrusion structure for having of upper surface report to the leadship after accomplishing a task arrangement.
As shown in Fig. 1 (c), which can include：The first component and second component being oppositely arranged.First
Component includes the first conductive layer 12 and the first frictional layer 11, and the first frictional layer 11 is arranged on the lower surface of the first conductive layer 12；The
Two components include the second conductive layer 22 and the second frictional layer 21, and the second frictional layer 21 is arranged on the upper surface of the second conductive layer 22；
The lower surface of first frictional layer 11 and the upper surface of the second frictional layer 21 are respectively provided at least one first and protrude structure, and first rubs
Wipe 11 lower surface at least one first protrude the upper surface of structure and the second frictional layer 21 at least one the
One protrudes structure cross arrangement.The receiving and losing electrons ability of the material of the material of first frictional layer 11 and the second frictional layer 12 is different.
Optionally, first the side of structure is protruded as rubbing surface, rubbing surface is vertical with plane where power generator.The present invention
In embodiment, frictional interface is located at the side of the triangle protrusion array of the first frictional layer 11 and the second frictional layer 21, and rub boundary
It face can be perpendicular to plane where device.Frictional interface can make friction area in element height side perpendicular to plane where device
It expands upwards, friction area can be increased in smaller area, solve small area applications difficult point.And vertical rubbing surface can lead to
Cross micro-processing technology acquisition, be easy to microelectronic component and the system integration, help to solve triboelectricity device micromation sum aggregate
Into the difficult point of change.
The first component is illustrated for one with attached drawing 1 (c) below and second component generates the process of charge.In outer masterpiece
Under, relative motion occurs for the first component and second component so that the first frictional layer 11 and the second frictional layer 21 are protruded first
Contact, friction and separation are repeated at the rubbing surface of structure both sides, due to the material of the first frictional layer 11 and second friction etc. 21
Material is with different that electronic capability, the first frictional layer 11 and the second frictional layer 21 can occur during rubbing surface contacts
The transfer of charge, so as to form charge inducing (as shown in Figure 2) on the first conductive layer 12 and the second conductive layer 22.
Specifically, illustrate so that the first component operates to the right as an example, as the first component moves right (such as under external force
Shown in Fig. 2 (a)), when the first frictional layer 11 and the second frictional layer 21 are in contact (shown in such as Fig. 2 (b)), 11 table of the first frictional layer
Face generates a small amount of negative electrical charge, and 21 surface of the second frictional layer generates a small amount of positive charge.As the first component continues to move right, friction
Aggravation.During flexible friction layer is contacting and separating with another rigidity or flexible friction layer, using flexible friction layer in outer masterpiece
With the characteristic of lower generation large deformation and recovery, frictional interface can preferably be protected not destroyed and worn by external force, and improve device
The reliability of part.The material of first frictional layer 11 and the second frictional layer 21 can all be adopted using flexible material or one
With flexible material, one uses rigid material.Due to the characteristic of the first frictional layer 11 and the second frictional layer 21, both occur curved
Song deformation, while larger contact area (shown in such as Fig. 2 (c)) is kept, 11 surface of the first frictional layer generates a large amount of negative electrical charges, the
Two frictional layers, 21 surface generates a large amount of positive charges.Finally, the first frictional layer 11 and the second frictional layer 21 are separated (such as Fig. 2 (d) institutes
Show), each original shape of self- recoverage, while recover electroneutral.The first component can persistently move right under external force or a left side
Right reciprocating motion so that the process of above-mentioned charge generation and disappearance in cycles, and passes through the first conductive layer 12 and the second conduction
Layer 22 forms Open Output Voltage or short-circuit output current.
It should be noted that the mode of external vibration source may be employed so that opposite fortune occurs for the first component and second component
It is dynamic.For example, the first conductive layer 12 and the first frictional layer 11 can be connected with extraneous vibration source, second component 20 can then fix or oneself
By sliding, the relative motion of the first frictional layer 11 of realization and second component 20 is alternately produced contact-friction-separated process,
The charge inducing of variation is generated on first conductive layer 12 and second component 20, in outer circuit output electrical power.
Optionally, the first protrusion structure is：Rectangle, triangle, trapezoidal, semicircle, circular, irregular fold-line-shaped or not
One kind in regular arc.Using triangle as an example in attached drawing 1 (a)-attached drawing 1 (c).
Optionally, the lower surface of the first conductive layer 12 has at least one second to protrude structure, this is at least one second prominent
Go out structure to be connected at least one first protrusion structure of the first frictional layer 11, for example, embedded be connected.As shown in Fig. 3 (a).Or
Person,
The upper surface of second conductive layer 22 have at least one second protrude structure, this it is at least one second protrude structure with
At least one the first of second frictional layer 21 protrudes structure connection, for example, embedded be connected.As shown in Fig. 3 (b).Or；
The lower surface of first conductive layer 12 and the upper surface of the second conductive layer 22 are respectively provided at least one second and protrude knot
Structure, which is connected at least one first protrusion structure of the second frictional layer 21, for example, embedded solid
Even.As shown in Fig. 3 (c).
It should be noted that second protrudes structure with first to protrude structure identical, it could realize that second protrudes structure and the
The insertion of one protrusion structure is connected.Therefore, second structure or rectangle, triangle, trapezoidal, semicircle, circular, no are protruded
One kind in regular fold-line-shaped or irregular arc.Using triangle as an example in 1 (a)-Fig. 1 (c) of attached drawing.
Optionally, triboelectricity device further includes：Fine structure；Wherein, fine structure is arranged under the first frictional layer
Surface and/or, in the upper surface of the second frictional layer.The upper surface of the second rubbing surface 21 is arranged on fine structure in figure 4
For an example.
Optionally, fine structure, including：Nano wire, nanotube, nanometer channel, nanocone, nanometer rods, are received nano particle
One kind in rice ball, micron particles, micron trenches, micron cone, micron bar or micron ball.
Optionally, at least one first structure is protruded as array protrusion structure；At least one second protrudes structure as battle array
Column protrudes structure.The protrusion structure of array is set in embodiments of the present invention on the surface of the first component and second component,
Array protrusion structure enables realizes multiple vertical frictional interfaces in finite plane area, these protrude structures and pass through micro-nano
Processing technology can obtain micron order or nano level line width or spacing, reach high array density, further increase device
The friction area of part improves the output voltage of device.
Fig. 4 is the structure diagram an embodiment of the present invention provides another triboelectricity device.Compare Fig. 3 and Fig. 4
Difference is that the section of the protrusion structure in Fig. 4 is semicircle.As shown in figure 4, triboelectricity device includes the first component and the
Two components.The section of second frictional layer 211 of second component has at least one semicircle prominent structure.Second frictional layer 21
The upper surface of the prominent structure of semicircle has nanosphere fine structure, improves minute projections.Second conductive layer 22
Section has the prominent structure of the semicircle identical with the second frictional layer 21, therefore the second conductive layer 22 and the insertion of the second frictional layer 21 are solid
Even.First frictional layer and the first conductive layer select same rigid conductor material, are referred to as 10, i.e. the first component 10 has simultaneously
Friction and conductive effect.The first component 10 equally has a semicircle prominent structure, and rubbing surface is located at the second frictional layer 21 and the
The side of the prominent structure of semicircle of one component 10, rubbing surface is perpendicular to plane where device.
Fig. 5 is the work flow of the first component and second component in Fig. 4.The first component and second component are added using plane
Work technique, vertical frictional interface can direct machine-shapings.As shown in figure 5, work flow is as follows：
(a) precision chemical etch process is used.
Specifically, the first component 10 is manufactured using precision chemical etch process, the design feature of the first component 10 is both sides
There is semicolumn to protrude array, corresponding to the semi-circular cross-section in Fig. 4, cylinder height is equal with thickness of detector, and semicolumn side is
For frictional interface.Second conductive layer 22 is equally manufactured using precision chemical etch process, and design feature is to form outside a metal
Frame, inside equally there is semicolumn to protrude array.Precision chemical etch process is a kind of typical plane manufacturing process, is determined each
After part dimension can an etch-forming, easy making process.
(b) moulding technology
It specifically includes：(i), there is the plane mould of semicolumn protrusion using surface first；(ii), spin coating rubs on mold
Layer material is wiped, for example, the second friction layer material；(iii), nanosphere surface modification is then carried out, forming surface has nanoscale
Second frictional layer 21 of roughness；(iv), the finally demoulding is handled, and the second independent frictional layer 21 is made.Second after the demoulding rubs
Layer 21 is wiped to adhere to the surface that 22 inside semicolumn of the second conductive layer protrudes array, make the second frictional layer 21 and the second conductive layer
22 insertions are connected.Moulding technology also belongs to plane manufacturing process, array structure can be protruded with batch micro operations, with reference to micro-nano technology
Technology can also further reduce the line width and spacing of prominent array structure, realize high density arrays structure.
A kind of triboelectricity device provided in an embodiment of the present invention, compared with prior art, has：
(1) rubbing surface can be such that friction area is expanded on element height direction, Neng Gou perpendicular to plane where device
Increase friction area in smaller area, solves small area applications difficult point；
(2) vertical frictional interface can be obtained by micro-processing technology, be easy to microelectronic component and the system integration, help
It is miniaturized and integrated difficult point in solving friction generator device；
(3) array protrudes structure realizes multiple vertical frictional interfaces in finite plane area, these protrude structure
Micron order or nano level line width or spacing can be obtained by micro-nano technology technology, reach high array density, further
The friction area of device is increased, improves the output voltage of device.
(4) large deformation and the characteristic recovered can be generated under external force using flexible friction layer, it is and another rigid or soft
Frottage layer can preferably protect frictional interface not destroyed and worn by external force during being contacting and separating, that improves device can
By property.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiments of the present invention, is not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of triboelectricity device, which is characterized in that including：The first component and second component being oppositely arranged；Wherein,
The first component includes the first conductive layer；The second component includes the second conductive layer；
The first component, further includes：In the first frictional layer that the lower surface of first conductive layer is set, first friction
The lower surface of layer and the upper surface of second conductive layer are respectively provided at least one first and protrude structure, first frictional layer
Lower surface at least one first protrude the upper surface of structure and second conductive layer at least one first
Prominent structure cross arrangement；And/or
The second component, further includes：It is conductive in the second frictional layer that the upper surface of second conductive layer is set, described first
The lower surface of layer and the upper surface of second frictional layer are respectively provided at least one first and protrude structure, first conductive layer
Lower surface at least one first protrude the upper surface of structure and second frictional layer at least one first
Prominent structure is reported to the leadship after accomplishing a task arrangement；Wherein, the receiving and losing electrons energy of the material of the material of first frictional layer and second frictional layer
Power is different.
2. triboelectricity device according to claim 1, which is characterized in that the lower surface of first conductive layer also has
At least one second protrudes structure, and lower surface of at least one second protrusion structure respectively with first frictional layer has
It is at least one first protrude structure insertion be connected；And/or
The upper surface of second conductive layer also has at least one second to protrude structure, and described at least one second protrudes structure
At least one first had respectively with the upper surface of second frictional layer protrudes structure insertion and is connected.
3. triboelectricity device according to claim 1 or 2, which is characterized in that further include：Fine structure；Wherein, it is described
Fine structure be arranged on first frictional layer lower surface and/or, in the upper surface of second frictional layer.
4. triboelectricity device according to claim 3, which is characterized in that the fine structure, including：Nano wire is received
Mitron, nano particle, nanometer channel, nanocone, nanometer rods, nanosphere, micron particles, micron trenches, micron cone, micron bar,
Or one kind in micron ball.
5. triboelectricity device according to claim 1 or 2, which is characterized in that the side of at least one prominent structure
Face is rubbing surface, and the rubbing surface is vertical with plane where the triboelectricity device.
6. triboelectricity device according to claim 1 or 2, which is characterized in that described at least one first protrudes structure
Structure is protruded for array；Described at least one second protrudes structure protrudes structure for array.
7. triboelectricity device according to claim 6, which is characterized in that first, which protrudes structure, is：Rectangle, triangle,
One kind in trapezoidal, semicircle, circular, irregular fold-line-shaped or irregular arc；
Second protrudes structure as in rectangle, triangle, trapezoidal, semicircle, circular, irregular fold-line-shaped or irregular arc
It is a kind of.
8. triboelectricity device according to claim 7, which is characterized in that the first frictional layer is flexible material, and second rubs
It is rigid material or flexible material to wipe layer.
9. triboelectricity device according to claim 7, which is characterized in that the first frictional layer is rigid material or flexible material
Material, second frictional layer are flexible material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810070258.7A CN108092543B (en) | 2018-01-24 | 2018-01-24 | Friction power generation device |
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|---|---|---|---|
| CN201810070258.7A CN108092543B (en) | 2018-01-24 | 2018-01-24 | Friction power generation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039150A (en) * | 2018-09-25 | 2018-12-18 | 宁波大学 | A kind of stick-slip inertia linear actuator based on surface micro-structure friction regulation |
| CN110454145A (en) * | 2019-07-12 | 2019-11-15 | 中国地质大学（武汉） | Geological drilling bottom hole multi frequency sensor based on friction nanometer power generator |
| CN110492778A (en) * | 2019-09-02 | 2019-11-22 | 西南交通大学 | A kind of rotary type friction generator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107732A (en) * | 2013-01-30 | 2013-05-15 | 天津理工大学 | Organism medical disposable micro friction motor and manufacture method thereof |
-
2018
- 2018-01-24 CN CN201810070258.7A patent/CN108092543B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107732A (en) * | 2013-01-30 | 2013-05-15 | 天津理工大学 | Organism medical disposable micro friction motor and manufacture method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039150A (en) * | 2018-09-25 | 2018-12-18 | 宁波大学 | A kind of stick-slip inertia linear actuator based on surface micro-structure friction regulation |
| CN109039150B (en) * | 2018-09-25 | 2019-10-11 | 宁波大学 | A kind of stick-slip inertia linear actuator based on surface micro-structure friction regulation |
| CN110454145A (en) * | 2019-07-12 | 2019-11-15 | 中国地质大学（武汉） | Geological drilling bottom hole multi frequency sensor based on friction nanometer power generator |
| CN110492778A (en) * | 2019-09-02 | 2019-11-22 | 西南交通大学 | A kind of rotary type friction generator |
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| Publication number | Publication date |
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| CN108092543B (en) | 2020-05-12 |
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