CN108512456B - 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 PDFInfo
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- CN108512456B CN108512456B CN201810443353.7A CN201810443353A CN108512456B CN 108512456 B CN108512456 B CN 108512456B CN 201810443353 A CN201810443353 A CN 201810443353A CN 108512456 B CN108512456 B CN 108512456B
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- substrate
- generating unit
- dielectric material
- electrostatic generating
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations 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
- F03B13/14—Adaptations 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
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The present invention provides a kind of frictional electrostatic generating unit, including the first substrate being alternately arranged and the second substrate, first substrate and the second substrate are provided with coaxial central through hole, the straight-bar is inserted in vertically in first substrate and the central through hole of the 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 the second substrate, so that relatively moving, dielectric material between first substrate and the second substrate is set to rub, generate charge, the connection of metal electrode on first substrate and the second substrate, so that charge is mobile, form electric current, mechanical energy is converted into electric energy.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 for power supply for electrical equipment, provide one kind completely new environmentally friendly green energy for seafari equipment.
Description
Technical field
The present invention relates to a kind of frictional electrostatic generating unit and its applications in ocean energy acquisition.
Background technique
21 century is numerical ocean model, is constantly expanded in world wide to the scale of ocean development, 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
Deng these seawater movements are generally existing unavoidable, 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.
Summary of the invention
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；Interior of shell is also set up
There are multiple first substrates and the second substrate, first substrate and the second substrate are arranged 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 the second substrate are provided with coaxial central through hole, and the straight-bar is vertical
It inserts in first substrate and the central through hole of the 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 greater than the aperture of central through hole in the second substrate；
The first substrate and the upper and lower surface of the second substrate have dielectric material, and the dielectric material on first substrate and
Dielectric material polarity in the second substrate is on the contrary, there are also one layer of metal electrode, first bases between dielectric material and substrate
Metal electrode on metal electrode and the second substrate on plate constitutes the positive and negative anodes of generator unit；When the frictional electrostatic generating
When unit shakes, straight-bar pushes the second substrate to make first substrate so that first substrate and the second substrate relatively move
Dielectric material rubs between the second substrate, generates charge, exports electric energy 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 present invention are: the present invention is designed the frictional electrostatic generating unit of grid type in series and parallel,
It together with power control, is built in cylindrical shell, suspends in the seawater, device caused by seawater is flowed integrally shakes
Dynamic mechanical energy is converted into electric energy, by the pressure stabilizing of power supply control integrated system, transformation processing, to the various electrical equipments of seafari
It is powered or carries out electric energy storage, electric energy caused by power generator of the invention is fully able to as buoy detection system etc.
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, guarantees the continued power of system, provides a kind of completely new environmentally friendly green energy for oceanographic equipment.
Detailed description of the invention
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.
Fig. 3 is three-dimensional cross-sectional figure when frictional electrostatic generating unit has certain displacement.
Fig. 4 is sectional view of the present invention in plummet state.
Fig. 5 is the sectional view when present invention has certain swing under seawater eroding.
Fig. 6 and Fig. 7 is partial 3 d sectional view of the present invention.
Figure label: 1- first substrate；2- anode dielectric material；3- cathode dielectric material；4- the second substrate；5- water blocking
Plate；6- electrode；The encapsulation of 7- macromolecule waterproof insulation；The metal enclosed shell of 8-；The thin straight-bar of 9-；10- mass；11- pressure stabilizing rectification
Device；12- transformer；13- electric energy storage device；14- current output terminal mouth.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be further explained
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 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 the 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 the second substrate 4 from upper and lower surface, guarantees water
Square to friction；First substrate 1 and the combined quantity of the second substrate 4 determine that quantity is more by electrical equipment institute electricity demand, i.e.,
The electricity that can be provided is bigger.First substrate 1 and the second substrate 4 are provided with coaxial central through hole, and the straight-bar 9 is inserted vertically
In in first substrate 1 and the central through hole of the 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 greater than the aperture of central through hole in the second substrate 4；
The first substrate 1 and the upper and lower surface of the second substrate 4 have dielectric material, and the dielectric material on first substrate 1
The dielectric material polarity of material and the second substrate 4 is on the contrary, there are also one layer of metal electrode 6 between dielectric material and substrate, and described the
Metal electrode 6 on metal electrode 6 and the second substrate 4 on one substrate 1 constitutes the positive and negative anodes of generator unit；
As shown in figure 5, straight-bar 9 pushes the second substrate 4 when the frictional electrostatic generating unit shakes, so that
First substrate 1 and the second substrate 4 relatively move, and dielectric material between first substrate 1 and the second substrate 4 is made to rub,
Charge is generated, electric energy is exported by the metal electrode 6 on first substrate 1 and the second substrate 4.After external circuit connection load,
Charge is mobile, that is, forms electric current, mechanical energy is converted into electric energy.As the work common sense of this field, first substrate 1 and the 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 can be set to 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, by these vibrate caused by energy be converted into and meet electronics exploring equipment institute
The electric energy of demand, so that it may instead of battery and power transmission line be powering electronic systems.Triboelectricity mode can motivate 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 the top of shell 8, 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)；Multiple first are additionally provided with inside shell (8)
Substrate (1) and the second substrate (4), first substrate (1) and the second substrate (4) are arranged alternatively up and down；First substrate (1) outer diameter and outer
Shell (8) internal diameter is identical, and periphery is fixed with shell (8) inner wall；First substrate (1) and the second substrate (4) are provided with coaxial center
Through-hole, the straight-bar (9) is inserted in vertically in first substrate (1) and the central through hole of the 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 greater than the second substrate (4)
The aperture of upper central through hole；
The upper and lower surface of the first substrate (1) and the second substrate (4) has dielectric material, and the dielectric on first substrate (1)
Dielectric material polarity on material and the second substrate (4) is on the contrary, there are also one layer of metal electrodes between dielectric material and substrate
(6), the metal electrode (6) on the metal electrode (6) and the 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 the second substrate (4), so that first substrate
(1) it is relatively moved with the second substrate (4), dielectric material between first substrate (1) and the second substrate (4) is made to rub,
Charge is generated, exports electric energy 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443353.7A CN108512456B (en) | 2018-05-10 | 2018-05-10 | A kind of frictional electrostatic generating unit and its application in ocean energy acquisition |
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| CN201810443353.7A CN108512456B (en) | 2018-05-10 | 2018-05-10 | A kind of frictional electrostatic generating unit and its application in ocean energy acquisition |
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| CN108512456A CN108512456A (en) | 2018-09-07 |
| CN108512456B true CN108512456B (en) | 2019-05-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111322191B (en) * | 2019-05-22 | 2022-07-19 | 北京纳米能源与系统研究所 | Ocean energy development platform |
| 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 |
| CN117118268B (en) * | 2023-10-25 | 2024-02-06 | 山东科技大学 | Ocean current energy nano power generation static cone penetration device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2888768B2 (en) * | 1994-12-09 | 1999-05-10 | 日立造船株式会社 | Wave power generation method and 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 |
| CN106609722B (en) * | 2015-12-31 | 2019-02-22 | 北京纳米能源与系统研究所 | Electricity generation system and power generation network |
| CN205657609U (en) * | 2016-03-22 | 2016-10-19 | 安阳师范学院 | Wave energy piezoelectricity generator |
| CN106050541B (en) * | 2016-07-15 | 2018-10-26 | 同济大学 | Miniature piezoelectric energy original position collection device for offshore instrument |
| CN106655878B (en) * | 2016-12-09 | 2018-09-28 | 北京纳米能源与系统研究所 | A kind of 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 |
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