CN108512456A - A kind of frictional electrostatic generating unit and its application in ocean energy acquisition - Google Patents

A kind of frictional electrostatic generating unit and its application in ocean energy acquisition Download PDF

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Publication number
CN108512456A
CN108512456A CN201810443353.7A CN201810443353A CN108512456A CN 108512456 A CN108512456 A CN 108512456A CN 201810443353 A CN201810443353 A CN 201810443353A CN 108512456 A CN108512456 A CN 108512456A
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CN
China
Prior art keywords
substrate
generating unit
dielectric material
electrostatic generating
straight
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CN201810443353.7A
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Chinese (zh)
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CN108512456B (en
Inventor
张鹤
许丹
姚璘杰
张计炜
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N1/00Electrostatic generators or motors using a solid moving electrostatic charge carrier
    • H02N1/04Friction generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient

Abstract

The present invention provides a kind of frictional electrostatic generating unit, including the first substrate and second substrate being alternately arranged, first substrate and second substrate are provided with coaxial central through hole, the straight-bar is inserted in vertically in the central through hole of first substrate and second substrate, the upper and lower surface of substrate has dielectric material, and dielectric material polarity is opposite, when the frictional electrostatic generating unit shakes, straight-bar pushes second substrate, so that relatively moving, dielectric material between first substrate and second substrate is set to rub, generate charge, the connection of metal electrode on first substrate and second substrate, so that charge movement, form electric current, mechanical energy is converted into electric energy.It during frictional electrostatic generating unit can be used for acquiring with ocean energy, collects the mechanical energy of seawater flowing and the mechanical energy of collection is converted into electric energy and store or be power supply for electrical equipment, a kind of completely new environmentally friendly green energy is provided for seafari equipment.

Description

A kind of frictional electrostatic generating unit and its application in ocean energy acquisition
Technical field
A kind of application the present invention relates to frictional electrostatic generating unit and its in ocean energy acquisition.
Background technology
21 century is numerical ocean model, is constantly expanded to the scale of ocean development in world wide, living marine resources exploitation, Deep Sea Minerals exploitation, ocean space utilization and marine environmental protection etc. have very huge potentiality.Oceanographic observation instrument Device is one of technology-intensive, knowledge-intensive and intensive capital high-tech sector, is the pillar of marine information industry, but electricity consumption The energy supply problem of equipment limits the development of ocean development to a certain extent.In particular for the equipment of long service, periodically more Cost increase can be caused and cause inconvenience by changing battery or building electric wire all.
Huge mechanical energy is inherently contained in ocean, and seawater experiencings complicated movement, ocean current, wave etc. regularly It is that generally existing is unavoidable Deng, these seawater movements, but energy accumulator development in recent years is quickly and some vibrations prisoner's energy The it is proposed of device application so that frictional electrostatic generating device is recycled in seawater mechanical energy collection to be become with the application on self energizing It may.
Invention content
The technical problem to be solved in the present invention is to provide a kind of frictional electrostatic generating unit and its in ocean energy acquisition Application, can by seawater flow mechanical energy be converted into electric energy.
The technical proposal for solving the technical problem of the invention is:A kind of frictional electrostatic generating unit, including shell, An internal straight-bar is connected to cover top portion center by universal shaft, and the straight-bar lower end is connected with mass;Enclosure is also set up There are multiple first substrates and second substrate, first substrate and second substrate to arrange alternatively up and down;In first substrate outer diameter and shell Diameter is identical, and periphery is fixed with outer casing inner wall;First substrate and second substrate are provided with coaxial central through hole, and the straight-bar is vertical It inserts in the central through hole of first substrate and second substrate, and the central through hole of the second substrate and straight-bar clearance fit, the Central through hole aperture on one substrate is more than the aperture of central through hole on the second substrate;
The upper and lower surface of the first substrate and second substrate has a dielectric material, and the dielectric material on first substrate and Dielectric material polarity on second substrate between dielectric material and substrate on the contrary, also have one layer of metal electrode, first base Metal electrode on metal electrode and second substrate on plate constitutes the positive and negative anodes of generator unit;When the frictional electrostatic generating When unit shakes, straight-bar pushes second substrate so that first substrate and second substrate relatively move, and make first substrate Dielectric material rubs between second substrate, generates charge, electric energy is exported by metal electrode.
Further, the dielectric material on same substrate and metal electrode are disposed as multiple concentric structures;It is multiple same Metal electrode at heart circle is sequentially connected in series.
Further, shell is encapsulated using high polymer waterproof material.
The invention further relates to application of the above-mentioned frictional electrostatic generating unit in ocean energy acquisition.
Further, the cover top portion has cross water fender, to obtain better water blocking effect.
The beneficial effects of the invention are as follows:The frictional electrostatic generating unit of grid type is carried out connection in series-parallel design by the present invention, It together with power control, is built in cylindrical shell, suspends in the seawater, device integrally shakes caused by seawater is flowed Dynamic mechanical energy is converted into electric energy, voltage stabilizing, the transformation processing of integrated system is controlled by power supply, to the various electrical equipments of seafari It is powered or carries out electric energy storage, electric energy is fully able to as buoy detecting system etc. caused by power generator of the invention Oceanographic observation instrument provides enough electric energy, is also equipped with apparatus for storing electrical energy, can be deposited in time when producing electricl energy more than needed Storage, ensures the continued power of system, a kind of completely new environmentally friendly green energy is provided for oceanographic equipment.
Description of the drawings
Fig. 1 is whole 3 d effect graph of the invention.
Three-dimensional cross-sectional figure when Fig. 2 is frictional electrostatic generating unit original state.
The three-dimensional cross-sectional figure that Fig. 3 is frictional electrostatic generating unit when having certain displacement.
Fig. 4 is sectional view of the present invention in plummet state.
Fig. 5 is sectional view of present invention when having certain swing under seawater eroding.
Fig. 6 and Fig. 7 is partial 3 d sectional view of the present invention.
Figure label:1- first substrates;2- anode dielectric materials;3- cathode dielectric materials;4- second substrates;5- water blocking Plate;6- electrodes;7- macromolecule waterproof insulations encapsulate;The metal enclosed shells of 8-;The thin straight-bars of 9-;10- mass;11- voltage stabilizing rectifications Device;12- transformers;13- electric energy storage devices;14- current output terminal mouths.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with attached drawing
As shown in figure 4, a kind of frictional electrostatic generating unit, including shell 8, an internal straight-bar 9 pass through universal axis connection In 8 top center of shell, 9 lower end of the straight-bar is connected with mass 10;Multiple first substrates 1 and are additionally provided with inside shell 8 Two substrates 4, first substrate 1 and second substrate 4 are arranged alternatively up and down;1 outer diameter of first substrate is suitable with 8 internal diameter of shell, periphery with 8 inner wall of shell is fixed;The support column of first substrate 1 just limits moving up and down for second substrate 4 from upper and lower surface, ensures water Square to friction;The quantity that first substrate 1 and second substrate 4 combine determines that quantity is more by electrical equipment institute electricity demand, i.e., The electricity that can be provided is bigger.First substrate 1 and second substrate 4 are provided with coaxial central through hole, and the straight-bar 9 is inserted vertically In the central through hole of first substrate 1 and second substrate 4, and the central through hole of the second substrate 4 and 9 clearance fit of straight-bar, Central through hole aperture on first substrate 1 is more than the aperture of central through hole on the second substrate 4;
The upper and lower surface of the first substrate 1 and second substrate 4 has dielectric material, and the dielectric material on first substrate 1 The dielectric material polarity of material and second substrate 4 between dielectric material and substrate on the contrary, there is one layer of metal electrode 6, and described the Metal electrode 6 on metal electrode 6 and second substrate 4 on one substrate 1 constitutes the positive and negative anodes of generator unit;
As shown in figure 5, when the frictional electrostatic generating unit shakes, straight-bar 9 pushes second substrate 4 so that First substrate 1 and second substrate 4 relatively move, and dielectric material between first substrate 1 and second substrate 4 is made to rub, Charge is generated, electric energy is exported by the metal electrode 6 on first substrate 1 and second substrate 4.After external circuit connection load, Charge moves, that is, forms electric current, mechanical energy is converted into electric energy.As the work common sense of this field, first substrate 1 and second substrate Require have suitable elasticity between 4, so that two substrates 1,4 can successfully carry out opposite slide.External circuit may include steady Rectifier 11, transformer 12, electric energy storage device 13 and the circuit output port 14 for connecting electrical equipment are pressed, so as to depositing for electric energy Storage and output.
Dielectric material could be provided as multiple concentric circles, as shown in Figures 2 and 3;Metal electrode 6 between multiple concentric circles according to Secondary series connection.
Shell 8 is encapsulated using high polymer waterproof material as a preferred technical solution,.
During above-mentioned frictional electrostatic generating unit can be used for acquiring with ocean energy.Vibration in ocean is all the time nowhere not Huge energy is contained in the flowing of seawater, converts and meet electronics exploring equipment institute energy caused by these vibrations to The electric energy of demand, so that it may to replace battery and power transmission line as powering electronic systems.Triboelectricity mode can encourage down ocean current The mechanical energy that whole device vibration generates is converted into electric energy, and is collected and utilizes, and is various possible seafari systems Spontaneous electric energy supply is provided, energy waste is reduced.
For the particularity of ocean, there can be cross water fender at 8 top of shell, to obtain better water blocking effect, such as Shown in Fig. 1.

Claims (5)

1. a kind of frictional electrostatic generating unit, it is characterised in that:Including shell (8), an internal straight-bar (9) is connected by universal shaft It is connected to shell (8) top center, straight-bar (9) lower end is connected with mass (10);It is additionally provided with multiple first inside shell (8) Substrate (1) and second substrate (4), first substrate (1) and second substrate (4) are arranged alternatively up and down;First substrate (1) outer diameter with it is outer Shell (8) internal diameter is identical, and periphery is fixed with shell (8) inner wall;First substrate (1) and second substrate (4) are provided with coaxial center Through-hole, the straight-bar (9) is inserted in vertically in the central through hole of first substrate (1) and second substrate (4), and the second substrate (4) central through hole and straight-bar (9) clearance fit, the central through hole aperture on first substrate (1) are more than the second substrate (4) The aperture of upper central through hole;
The upper and lower surface of the first substrate (1) and second substrate (4) has dielectric material, and the dielectric on first substrate (1) Dielectric material polarity on material and second substrate (4) between dielectric material and substrate on the contrary, there is one layer of metal electrode (6), the metal electrode (6) on the metal electrode (6) and second substrate (4) on the first substrate (1) constitutes generator unit Positive and negative anodes;When the frictional electrostatic generating unit shakes, straight-bar (9) pushes second substrate (4) so that first substrate (1) it is relatively moved with second substrate (4), dielectric material between first substrate (1) and second substrate (4) is made to rub, Charge is generated, electric energy is exported by metal electrode (6).
2. frictional electrostatic generating unit according to claim 1, it is characterised in that:Dielectric material on same substrate and Metal electrode (6) is disposed as multiple concentric structures;Metal electrode (6) at multiple concentric circles is sequentially connected in series.
3. frictional electrostatic generating unit according to claim 1, which is characterized in that shell (8) uses macromolecule waterproof Material package.
4. application of the frictional electrostatic generating unit as described in claim 1 in ocean energy acquisition.
5. application according to claim 4, which is characterized in that have cross water fender at the top of the shell (8), to obtain Better water blocking effect.
CN201810443353.7A 2018-05-10 2018-05-10 A kind of frictional electrostatic generating unit and its application in ocean energy acquisition Active CN108512456B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110905712A (en) * 2019-11-28 2020-03-24 北京纳米能源与系统研究所 Wave energy collecting device and offshore power generation equipment
CN111322191A (en) * 2019-05-22 2020-06-23 北京纳米能源与系统研究所 Ocean energy development platform
CN113839581A (en) * 2021-09-23 2021-12-24 哈尔滨工程大学 Buoy-based solid-liquid contact type nano friction power generation device
CN117118268A (en) * 2023-10-25 2023-11-24 山东科技大学 Ocean current energy nano power generation static cone penetration device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08159005A (en) * 1994-12-09 1996-06-18 Hitachi Zosen Corp Wave power generation and its device
CN203851063U (en) * 2014-01-24 2014-09-24 国家纳米科学中心 Vibration-type friction power generation device and wave power generation device
CN205657609U (en) * 2016-03-22 2016-10-19 安阳师范学院 Wave energy piezoelectricity generator
CN106050541A (en) * 2016-07-15 2016-10-26 同济大学 Micro piezoelectric energy in-situ collection device used for seabed instrument
CN106655878A (en) * 2016-12-09 2017-05-10 北京纳米能源与系统研究所 Generator
WO2017114499A1 (en) * 2015-12-31 2017-07-06 北京纳米能源与系统研究所 Power generation system and power generation network
CN206490603U (en) * 2017-03-09 2017-09-12 欧阳嘉艺 A kind of wave piezoelectric generating device and system
CN206636694U (en) * 2017-03-24 2017-11-14 大连海事大学 A kind of complex pneumatic formula generator and self energizing marine monitoring equipment
CN107404252A (en) * 2017-07-24 2017-11-28 东南大学 A kind of more nanometers of generator combined TRTs of portable rainy season

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08159005A (en) * 1994-12-09 1996-06-18 Hitachi Zosen Corp Wave power generation and its device
CN203851063U (en) * 2014-01-24 2014-09-24 国家纳米科学中心 Vibration-type friction power generation device and wave power generation device
WO2017114499A1 (en) * 2015-12-31 2017-07-06 北京纳米能源与系统研究所 Power generation system and power generation network
CN205657609U (en) * 2016-03-22 2016-10-19 安阳师范学院 Wave energy piezoelectricity generator
CN106050541A (en) * 2016-07-15 2016-10-26 同济大学 Micro piezoelectric energy in-situ collection device used for seabed instrument
CN106655878A (en) * 2016-12-09 2017-05-10 北京纳米能源与系统研究所 Generator
CN206490603U (en) * 2017-03-09 2017-09-12 欧阳嘉艺 A kind of wave piezoelectric generating device and system
CN206636694U (en) * 2017-03-24 2017-11-14 大连海事大学 A kind of complex pneumatic formula generator and self energizing marine monitoring equipment
CN107404252A (en) * 2017-07-24 2017-11-28 东南大学 A kind of more nanometers of generator combined TRTs of portable rainy season

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111322191A (en) * 2019-05-22 2020-06-23 北京纳米能源与系统研究所 Ocean energy development platform
CN110905712A (en) * 2019-11-28 2020-03-24 北京纳米能源与系统研究所 Wave energy collecting device and offshore power generation equipment
CN110905712B (en) * 2019-11-28 2021-02-09 北京纳米能源与系统研究所 Wave energy collecting device and offshore power generation equipment
CN113839581A (en) * 2021-09-23 2021-12-24 哈尔滨工程大学 Buoy-based solid-liquid contact type nano friction power generation device
CN117118268A (en) * 2023-10-25 2023-11-24 山东科技大学 Ocean current energy nano power generation static cone penetration device
CN117118268B (en) * 2023-10-25 2024-02-06 山东科技大学 Ocean current energy nano power generation static cone penetration device

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