CN208046481U - A kind of multi-electrode triboelectricity device - Google Patents
A kind of multi-electrode triboelectricity device Download PDFInfo
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- CN208046481U CN208046481U CN201820650019.4U CN201820650019U CN208046481U CN 208046481 U CN208046481 U CN 208046481U CN 201820650019 U CN201820650019 U CN 201820650019U CN 208046481 U CN208046481 U CN 208046481U
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Abstract
The utility model discloses a kind of multi-electrode triboelectricity devices, include at least a triboelectricity group, and the triboelectricity group includes at least the polylith electrode being made of according to different sequence arrangements multiple rubbing surfaces.Structure disclosed in the utility model is in applied force and in removing the action of power, the different assembled pulse signals of features such as size, direction and number can be obtained by the not equal frictional contact surface of number and location, the motion state of analysis prediction object, acceleration sensing, vibration measurement etc. can be widely used in.
Description
Technical field
The utility model is related to a kind of power generator more particularly to a kind of multi-electrode triboelectricity devices.
Background technology
Triboelectricity technology is a kind of novel generation technology, combines with nano-sized surface modification technology, gradually forms
One friction electronics.Such disciplinary study is how the mechanical energy being seen everywhere in nature to be converted into electric energy, only
There are the forms of motion such as sliding, contact, may be by triboelectricity technology and produce electricl energy.Such appliance arrangement is simple, makes
Valence is low, free from environmental pollution, applied widely, be it is a kind of cleaning, green energy technology, be widely used in intelligent sensing, positioning,
Power generation etc..
Friction is a kind of form being widely present in a kind of nature, the electrostatic of generation, no matter in life or in industry
In production, it is considered as a kind of harm, to prevent and avoid.However, since self-friction electronics proposes, fricting movement
By the great interest of domestic and international researcher, exactly because it can be by designing special electrification structure unit, because connecing
It touches the electrostatic collection generated to get up so that positive and negative charge is enriched on two electrodes respectively, generates certain potential difference, when even
When connecing external circuit, electric energy can be externally provided so that electrostatic energy plays effect actively and positively.
Currently, the utility ratio based on triboelectricity device is relatively low, it is primarily due to existing triboelectricity equipment phase
To less, primary effectively triggering usually only generates the electric signal of a cycle, and form is relatively single, influences friction generator
Market applicating and exploitation.
Utility model content
In order to solve the problems, such as that the AC signal period of friction generator generation is single and causes using being limited, this practicality is new
Type provides a kind of multi-electrode triboelectricity device so that primary triggering can generate multigroup different characteristic between electrode two-by-two
Pulse signal.Since the pulse signal that friction generator generates has the characteristics that peak power is high so that the type
Device can be widely applied to position sensing, highly sensing, acceleration sensing etc..
In order to achieve the above object, the technological means of the utility model use is：A kind of multi-electrode triboelectricity device, until
Include a triboelectricity group less, the triboelectricity group, which is included at least, is arranged by multiple rubbing surfaces according to different sequences
The polylith electrode of composition.
Further, the area of multiple rubbing surfaces is identical or different, and shape is identical or different.
Further, the triboelectricity group includes at least a supporter, and setting height is different on supporter and has
It includes several insulation material layers and conductive material layer, conductive material layer to have several friction surface layers of relative motion, friction surface layer
Constitute electrode.
Further, the triboelectricity group includes a supporter, and surface is provided on supporter and covers one layer
The insulated hollow of conductive layer determines body, and in fixed one moving-conductor of setting in vivo of insulated hollow, one end of moving-conductor connects elastic component I,
Elastic component I is mounted on supporter and determines the hollow interior of body positioned at insulated hollow, and one is arranged above moving-conductor for providing
The insulation gland of rubbing surface.
Further, it is hollow cylinder that the insulated hollow, which determines body, and moving-conductor is cylinder, and insulated hollow determines body
Ring textures product is equal with the area of a circle of the circular cross-section of moving-conductor.
Further, the fixed external setting external insulation shell of the insulated hollow, external insulation shell one end connection insulation pressure
Lid, other end connection are mounted on the elastic component II on supporter.
The utility model has the following advantages：Above structure in an applied force and in removing the action of power, to pass through
The not equal frictional contact surface of number and location can obtain the different assembled pulse signals of features such as size, direction and number, can
It is widely used in the motion state for analyzing prediction object, acceleration sensing, vibration measurement etc..
Description of the drawings
The utility model is further elaborated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Fig. 3 is charge transfer process schematic diagram in the utility model embodiment 2；
Fig. 4 is the voltage oscillogram of the utility model embodiment 2；
Fig. 5 is the structural schematic diagram of the utility model embodiment 3；
Fig. 6 is the structural schematic diagram of the utility model embodiment 4.
In figure：1, insulate gland, 2, moving-conductor, 3, external insulation shell, 4, insulated hollow determine body, 5, cylindrical, hollow cylinder
Body, 6, elastic component I, 7, elastic component II, 8, supporting table.
Specific implementation mode
Embodiment 1
A kind of triboelectricity device that can convert primary triggering to multiple output of pulse signal.Mainly utilize electrostatic
The redistribution characteristic of charge under induction effect, the different rubbing surface of continuous trigger under primary outer force effect, electronics is in difference
Electrode between displacement, form multiple pulse signals.By controlling the area of different CONTACT WITH FRICTION electrodes, can adjust
The intensity of pulse signal；By the way that the sequencing of differentiated friction face contact is arranged, the different pulse of size and Orientation can be obtained
Signal.
As shown in Figure 1, a triboelectricity device for there are two contact surfaces, including a supporting table 8, it is arranged in supporting table 8
There are one cylindrical, hollow cylinder 5, the insulated hollow that covering one layer of conductive layer in surface is provided on cylindrical, hollow cylinder 5 is fixed
Body 4 determines that a moving-conductor 2 is arranged in body 4 in insulated hollow, and one end of moving-conductor 2 connects elastic component I6, and elastic component I6 is mounted on
Determine the hollow interior of body 4 in supporting table 8 and positioned at cylindrical, hollow cylinder 5 and insulated hollow, it is hollow cylinder that insulated hollow, which determines body 4,
Body, moving-conductor 2 are cylinder, and the ring textures product that insulated hollow determines body 4 is equal with the area of a circle of the circular cross-section of moving-conductor 2,
Moving-conductor 2 is used as an electrode, insulated hollow to determine body 4 and be used as an electrode, determines that external insulation shell is arranged outside body 4 in insulated hollow
3,3 one end of external insulation shell connection insulation gland 1, other end connection is mounted on the elastic component II7 outside cylindrical, hollow cylinder 5.
Insulation gland 1 is a kind of insulator (such as polyimides) circular lid, and moving-conductor 2 is removable cylindrical conductor portion
Part is connected with elastic component I6 (such as spring), and directly moving-conductor 2 can be drawn as one of electrode.When by insulation gland 1
When pressing, moving-conductor 2 can be moved up and down freely.It is the insulated hollow that surface covers one layer of conductive layer that insulated hollow, which determines body 4,
Cylinder can directly lead out conducting wire as another electrode.External insulation shell 3 is insulator moving up and down, with bullet
Property part II7（Such as spring）It is connected so that when insulation gland 1 is under pressure, can move freely above and below.
It is core component that insulation gland 1, moving-conductor 2, insulated hollow, which determine body 4, and functional layer also can be replaced other insulation
Body+supporter.Conductive layer includes the conductive materials such as each metalloid, alloy, conductive film, and insulator is various high molecular materials.
Meanwhile microscopic appearance moditied processing can be carried out to the contact surface of metal or insulator, effective contact area is improved, transfer is increased
Effective charge total amount.
Embodiment 2
A kind of typical triboelectricity apparatus structure schematic diagram is shown in the present embodiment, sectional drawing is as shown in Fig. 2, once applying
During reinforcing and revocation power, can generate two periods, four impulse waveforms signal.
The transfer process of charge is as shown in Figure 3.Insulation gland 1 is polyimide insulator, and moving-conductor 2 and insulated hollow are fixed
There is a thin layer AI on the surface of body 4, respectively as electrode one and electrode two.A set of action is once pressed and unclamps, two electricity of device
The sequential process of extremely upper electronics transfer is (c)-(d)-(a)-(b)-(c).When device insulation gland 1 and moving-conductor 2, insulated hollow
When determining body 4 and contacting, the negative electrical charge generated by friction is had in the lower surface of insulation gland 1, moving-conductor 2 and insulated hollow are fixed
Corresponding positive charge is carried in the conductive layer of body 4.
When there is outer force effect, insulation gland 1 moves downward so that the lower surface of insulation gland 1 contacts moving-conductor 2 first
The conductive layer of upper surface, the relative position of device are changed into (d) of Fig. 3 from (c) of Fig. 3.The part of contact, in positive and negative charge
The heart is compound, and two surface of electrode is without remaining net charge.If electrode one is connected to electrode two by external circuit at this time, electrode one
On electronics under electrostatic induction effect, charge redistribution, electronics flows to electrode two from electrode one；
When the gland 1 that insulate continues to move downward, the upper surface of body 4 will be determined in the lower surface of insulation gland 1 with insulated hollow
Contact, the relative position of device are changed into (a) of Fig. 3 from (d) of Fig. 3.The part of contact, positive and negative charge-site is compound, if this
When electrode one be connected to by external circuit with electrode two, then electronics extra on electrode two will redistribute, extra electronics from
Electrode one is reversely flow back on electrode two；
During external force removes, the lower surface of insulation gland 1 is first away from the upper surface that insulated hollow determines body 4, device
Relative position be changed into (b) of Fig. 3 from (a) of Fig. 3.The part point that the lower surface of insulation gland 1 is contacted with electrode two first
From if electrode one is connected to electrode two by external circuit at this time, the electronics on electrode one is under electrostatic induction effect, charge
Redistribution, electronics flow to electrode two from electrode one；
When external force removes completely, insulation gland 1 returns to origin-location, and the relative position of device is changed into from (b) of Fig. 3
(c) of Fig. 3.At this point, insulation gland 1 is kept completely separate with electrode one and electrode two, if electrode one and electrode two pass through outside at this time
Circuit communication, then electronics extra on electrode two will redistribute, extra electronics reversely flow back into electrode one from electrode two；
During primary pressing, it may be seen that the direction change of electronics flowing four times, there are four pulses to believe
It number generating, signal intensity experienced two periods, compare conventional friction power generator, and signal intensity increases a cycle more,
The change procedure of signal is as shown in Figure 4.Our rated currents flow to the positive direction that electrode two is electric current, Fig. 4 voltages from electrode one
The oscillogram only theoretically shift direction of demonstrating current.Tetra- regions A, B, C, D in oscillogram, respectively corresponding (c)-
(d) four electric current transfer processes of-(a)-(b)-(c).
The embodiment only by the way that two high and low differentiated friction contact surfaces are arranged, just obtains the impulse waveform in two periods.
Embodiment 3
It is another typical triboelectricity device shown in the present embodiment, the sectional drawing of device is as shown in Figure 5.Absolutely
One layer of insulator (such as polytetrafluoroethylene (PTFE)) is covered below edge gland 1；Another insulation is covered in the upper surface of moving-conductor 2
Body (such as polyimides), moving-conductor 2 are electrode one；The upper surface that body 4 is determined in insulated hollow covers the third insulating materials (as gathered
Ethylene), it is electrode two to have one layer of conductive layer (such as AI), conductive layer between insulating materials and insulated hollow determine body 4.
During primary pressing, the transfer process of electronics is similar with the shifting science and technology in four directions process in embodiment 2, also will produce
The pulse signal in two periods.This is because at the time of contact, the ability of different materials receiving and losing electrons is different, so in moving-conductor 2
The triboelectric charge for having inequality on body 4 on the surface of two different insulating materials is determined with insulated hollow, in insulating layer polytetrafluoro
During ethylene is contacted with polyethylene and polyimides respectively, the redistribution of electronics on two electrodes generates two periods
Pulse signal.
Key in the present embodiment is that three rubbing surfaces to contact with each other are three kinds of different materials.
Embodiment 4
It is another typical triboelectricity device shown in the present embodiment, the sectional drawing of device is as shown in Figure 6.Absolutely
Edge gland 1 is insulator (such as polytetrafluoroethylene (PTFE)) lid.The upper surface of moving-conductor 2 covers a layer insulating (such as polyimides),
The top of insulating layer covers one layer of metal layer (such as AI), and moving-conductor 2 is electrode one.The surface that insulated hollow determines body 4 covers one layer
Metal conducting layer (such as AI), conductive layer are electrode two.
The difference of this embodiment has been among moving-conductor 2 and metal layer mostly a layer insulating.
When insulation gland 1 and moving-conductor 2, insulated hollow, which determine body 4, contacts, had in the lower surface of insulation gland 1
With accordingly just in the metal AI conductive layers for the top layer for determine body 4 because of the negative electrical charge that friction generates, moving-conductor 2 and insulated hollow
Charge.At this point, electrode one is not charged, electrode two is positively charged.
When there is outer force effect, insulation gland 1 moves downward so that the lower surface of insulation gland 1 contacts moving-conductor 2 first
The conductive layer of upper surface, in the areal extent of contact, positive and negative charge is compound, then the electronics on electrode one is (numerically equal to a certain
A contact surface friction generates the half of charge) under the electrostatic induction of electrode two, redistribution so that electronics is from electrode one to electricity
Pole two moves；
When the gland 1 that insulate continues to move downward, the upper surface of body 4 will be determined in the lower surface of insulation gland 1 with insulated hollow
Contact, under the action of insulate 1 lower surface electrostatic induction of gland, negative electrical charge on electrode two will redistribution, electronics is from electrode
Second-rate telegram in reply pole one；
During external force removes, the lower surface of insulation gland 1 is first away from the upper surface that insulated hollow determines body 4, in electricity
Under the action of two positive charge of pole, electronics is moved from electrode one to electrode two；
When external force removes completely, insulation gland 1 returns to origin-location, and electrode one is positively charged in 2 top layer of moving-conductor
Under conductive layer effect, electronics is from the second-rate telegram in reply pole of electrode one；It can be seen that when we change the frictional work ergosphere on electrode when
It waits, although current direction may be identical, conductive mechanism is discrepant, this is related with the structure of our monocells, functional layer
Slightly variation, also belong to the protection domain of the technical program.
Example disclosed in the utility model cannot function as just for the explanation of the technical solution of the utility model to this reality
With the limitation of novel content, change of those skilled in the art on the basis of the utility model is still in the guarantor of the utility model
It protects in range.
Claims (6)
1. a kind of multi-electrode triboelectricity device, it is characterised in that：Including at least a triboelectricity group, the triboelectricity group
Including at least the polylith electrode being made of according to different sequence arrangements multiple rubbing surfaces.
2. multi-electrode triboelectricity device according to claim 1, it is characterised in that：The area phase of multiple rubbing surfaces
Same or different, shape is identical or different.
3. multi-electrode triboelectricity device according to claim 1, it is characterised in that：Triboelectricity group includes at least one
Supporter, setting height is different on supporter and has several friction surface layers of relative motion, and friction surface layer includes several
Insulation material layer and conductive material layer, conductive material layer constitute electrode.
4. multi-electrode triboelectricity device according to claim 3, it is characterised in that：The triboelectricity group includes one
Supporter, the insulated hollow that covering one layer of conductive layer in surface is provided on supporter determine body, in the fixed setting in vivo of insulated hollow
One end of one moving-conductor, moving-conductor connects elastic component I, and elastic component I is mounted on supporter and determines body positioned at insulated hollow
In hollow, an insulation gland for providing rubbing surface is set above moving-conductor.
5. multi-electrode triboelectricity device according to claim 4, it is characterised in that：It is hollow that the insulated hollow, which determines body,
Cylinder, moving-conductor are cylinder, and the ring textures product that insulated hollow determines body is equal with the area of a circle of the circular cross-section of moving-conductor.
6. multi-electrode triboelectricity device according to claim 4, it is characterised in that：The fixed external setting of the insulated hollow
External insulation shell, external insulation shell one end connection insulation gland, other end connection are mounted on the elastic component II on supporter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820650019.4U CN208046481U (en) | 2018-05-03 | 2018-05-03 | A kind of multi-electrode triboelectricity device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820650019.4U CN208046481U (en) | 2018-05-03 | 2018-05-03 | A kind of multi-electrode triboelectricity device |
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| CN208046481U true CN208046481U (en) | 2018-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017244A (en) * | 2021-09-23 | 2022-02-08 | 中国地质大学（武汉） | Self-powered sensor for measuring ocean surface waves |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017244A (en) * | 2021-09-23 | 2022-02-08 | 中国地质大学（武汉） | Self-powered sensor for measuring ocean surface waves |
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Granted publication date: 20181102 Termination date: 20210503 |