CN106050541B - Miniature piezoelectric energy original position collection device for offshore instrument - Google Patents
Miniature piezoelectric energy original position collection device for offshore instrument Download PDFInfo
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- CN106050541B CN106050541B CN201610555566.XA CN201610555566A CN106050541B CN 106050541 B CN106050541 B CN 106050541B CN 201610555566 A CN201610555566 A CN 201610555566A CN 106050541 B CN106050541 B CN 106050541B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000004146 energy storage Methods 0.000 claims abstract description 18
- 239000013535 sea water Substances 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 238000011065 in-situ storage Methods 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Classifications
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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
- F03B13/141—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 with a static energy collector
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/185—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators using fluid streams
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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)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The present invention relates to a kind of miniature piezoelectric energy original position collection devices for offshore instrument, the device shape is cylindrical structure, by transmission shaft component, upper end cover, connecting plate, support plate, pressing plate, formed by pressing plate, bottom plate, bottom end cover, nacelle, energy-storage units and watertight connector, the energy that the seawater movements such as wave and ocean current generate is transmitted using transmission shaft, and these energy are converted by electric energy by piezoelectric energy-conversion piece.Piezoelectric energy-conversion piece is mounted on by pressing plate, which improves electric energy output power by the connection in series-parallel of multiple piezoelectric energy-conversion pieces.The power storage of device output supplies electricity to offshore instrument in situ in energy-storage units and by watertight connector.The device is suitable for seabed to the entire marine environment on sea, has a wide range of application, reliability height.
Description
Technical field
The invention belongs to submarine observation technical fields, are related to a kind of collection in situ of the miniature piezoelectric energy for offshore instrument
Device mainly using effect of vibration caused by the seawater movements such as wave and ocean current in piezoelectric material, and then realizes piezoelectric energy
It is in situ to collect.
Background technology
Traditional oceanographic observation mode is mainly that ship base is investigated.The self-tolerant or anchor type laid by ship bottom device only
The short-term power supply that can support a small amount of undersea device, needs more frequent periodic maintenance.All kinds of underwater robots are also by certainly
The battery powered of band, can not keep watch deep-sea for a long time.And submarine observation network can realize the long-term power supply of offshore instrument.However, seabed
The electric energy that observational network is transported to seabed is always limited.In the life cycle of submarine observation network, with the type of offshore instrument
It is continuously increased with quantity, the seabed load of observational network will be weighed increasingly.In order to maintain observational network stable, when seabed load
When overweight, certain instruments must temporarily be cut off；When certain watertight cables damage on observational network connects extra large short circuit, pertinent instruments
It must temporarily power off and wait to be repaired；When observing network interface deficiency or observation point distance farther out, required instrument temporarily can not be straight
It is connected to observational network in succession.
In fact, the energy source of extremely abundant cleanliness without any pollution, recyclable regenerative is contained in ocean itself, especially
Vibration caused by the seawater activity such as wave and ocean current is ubiquitous, and the collection of vibrational energy is realized using piezoelectric energy-conversion device.
If the seawater vibrational energy that these can be utilized ubiquitous realizes the self-powered of offshore instrument, entire seabed can be greatly enhanced and seen
Actual observation ability of the survey grid in life cycle.The shortcomings that existing domestic and international seawater energy gathering apparatus is：It is only capable of receiving
Collect the wave energy of seawater surface, therefore its use occasion is confined to seawater surface；Device volume is big, requires height to laying, reliably
Property is low, inconvenient for use；It is dfficult to apply to the power supply of offshore instrument.
Invention content
It is an object of the invention to propose a kind of miniature piezoelectric energy original position collection device for offshore instrument, sea is utilized
Vibration caused by water activity drives piezoelectric material deformation, is produced electricl energy using direct piezoelectric effect, realizes the self-powered of offshore instrument.
The technical scheme is that：
For the miniature piezoelectric energy original position collection device of offshore instrument, including transmission shaft component 110, upper end cover 120,
Two connecting plates 130, support plate 140, pressing plate 150, by pressing plate 160, bottom plate 170, bottom end cover 180, nacelle 190 and energy-storage units
200；190 both ends of nacelle are respectively fixed with upper end cover 120 and bottom end cover 180；
The transmission shaft component 110 is by transmission shaft 111, the first connecting plate 112, linear bearing 113 and energy transmission plate 114
Composition, transmission shaft is cylindrical structure, several first connecting plates 112 pass through transmission shaft 111, the first connecting plate 112 and transmission
It is to be welded to connect between axis 111；Support plate 140 is connect by several second connecting plates 130 with bottom plate 170, constituent apparatus
Basic framework；The basic framework of described device is located in nacelle 190, and transmission shaft 111 passes through upper end cover 120, is fixed in one end
There is energy transmission plate 114；Several first connecting plates 112 are located in the basic framework of device；Transmission shaft 111 and upper end cover 120
Junction is equipped with linear bearing 113, and the linear bearing 113 is for ensureing that transmission shaft 111 moves along a straight line；Several groups pressing plate 150
Transmission shaft 111 is passed through with by pressing plate 160, support plate 140, pressing plate are connected by the second connecting plate 130 by the end of pressing plate 160
150 are connected by screw bolts with the first connecting plate 112；Pressing plate 150 is equipped with compression bar mounting hole 151, is used for compression column with fixed, the pressure
Bar is located at pressing plate 150 and by between pressing plate 160；The support plate 140 is fixed on upper end cover 120, and the bottom end cover 180 is fixed
In on bottom plate 170；It is described to be fixed with piezoelectric energy-conversion piece on pressing plate 160；
The energy-storage units 200 are formed by connecting by DC converter and accumulator, and energy-storage units 200 are fixed on upper end cover
120, the output end of the DC converter connects watertight connector, and input terminal connects piezoelectric energy-conversion piece；
For seawater effect of vibration on energy transmission plate 114, the energy that seawater vibrates is converted to transmission by energy transmission plate 114
The linear motion of axis 111 squeezes by the piezoelectric material on pressing plate with dynamic pressure plate, makes its deformation, and electricity is generated using direct piezoelectric effect
Can, the power storage of generation realizes that the in situ of external offshore instrument is powered in energy-storage units, by watertight connector.
In the present invention, the pressing plate 150 is identical with by the quantity of pressing plate 160.
It is described that piezoelectric energy-conversion piece mounting hole 161 is equipped with by pressing plate 160 in the present invention, for fixing piezoelectric energy-conversion piece, institute
It states pressing plate 150 and is equipped with compression bar mounting hole 151, be used for compression column with fixed, the piezoelectric energy-conversion piece is identical as the quantity of compression bar.
In the present invention, transmission shaft component 110, upper end cover 120, the second connecting plate 130, support plate 140, pressing plate 150, bottom plate
170, bottom end cover 180 and nacelle 190 use titanium alloy material.
In the present invention, insulating materials is used by pressing plate 160.
In the present invention, dynamic sealing is used between the transmission shaft component 110 and upper end cover 120.
In the present invention, the nacelle 190 is connected by screw bolts between upper end cover 120 and bottom end cover 180 respectively, and is passed through
Sealing ring realizes static seal.
The principle of the present invention is：
Seawater effect of vibration squeezes by the piezoelectric material on pressing plate with dynamic pressure plate on transmission shaft component, makes its deformation, profit
It is produced electricl energy with direct piezoelectric effect.The power storage of generation realizes external sea bottom instrument in energy-storage units, by watertight connector
The power supply in situ of device.So-called direct piezoelectric effect is to generate electropolarized phenomenon due to deformation, and substantially mechanical energy converts
For the process of electric energy：When imposing physical pressure to piezoelectric material, the electric dipole moment in material bodies can shorten because of compression, press at this time
Electric material is to resist the variation to generate equivalent positive and negative charge on the opposite surface of material.
The beneficial effects of the invention are as follows：
The present invention transmits the energy that the seawater movements such as wave and ocean current generate using transmission shaft, and sea is arrived suitable for seabed
Entire marine environment can use in shallow sea and deep-sea, have a wide range of application.Using simple and reliable piezoelectric energy-conversion piece, multiple piezoelectricity
Transduction piece is attached using connection in series-parallel combination, improves the generated output of whole device, and whole device volume compact,
Reliability is high.Unstable piezoelectric energy is stored by energy-storage units, improves the reliability of offshore instrument power supply.
Description of the drawings
Fig. 1 is internal structure schematic diagram of the present invention for the miniature piezoelectric energy original position collection device of offshore instrument.
Fig. 2 is the schematic diagram of driveshaft section subassembly of the present invention.
Fig. 3 is the schematic diagram of transmission shaft connecting plate of the present invention.
Fig. 4 is the schematic diagram of upper end cover of the present invention, and A is side view, and B is front view.
Fig. 5 is the schematic diagram of connecting plate of the present invention.
Fig. 6 is the schematic diagram of support plate of the present invention.
Fig. 7 is the schematic diagram of pressing plate of the present invention.
Fig. 8 is the present invention by the schematic diagram of pressing plate.
Fig. 9 is the schematic diagram of bottom plate of the present invention.
Figure 10 is the schematic diagram of bottom end cover of the present invention, and A is side view, and B is front view.
Figure 11 is nacelle schematic diagram of the present invention.
It is marked in figure：110 rotation shaft assemblies, 111 transmission shafts, 112 first connecting plates, 113 linear bearings, 114 energy pass
Pass plate, 120 upper end covers, 121 nacelle mounting holes, 122 first connecting plate mounting holes, 123 linear bearing mounting holes, 124 transmission shafts
Through hole, 125 wet plug-in connector through holes, 130 second connecting plates, 131 connecting holes, 132 support plate connecting holes, 140 supports
Plate, 141 connecting plate connecting holes, 150 pressing plates, 151 compression bar mounting holes, 152 first connecting plate mounting holes, 153 transmission shaft through holes,
160 by pressing plate, 161 piezoelectric energy-conversion piece mounting holes, 162 transmission shaft through holes, 163 connecting plate connecting holes, 170 bottom plates, 171 connections
Plate connecting hole, 180 bottom end covers, 181 nacelle mounting holes, 182 bottom plate mounting holes, 183 linear bearing mounting holes, 190 nacelles, 191
Nacelle mounting hole, 200 energy-storage units.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：Fig. 1 shows the internal structure of the miniature piezoelectric energy original position collection device for offshore instrument,
The mechanical structure portion of the device is by transmission shaft component 110, upper end cover 120, the second connecting plate 130, support plate 140, pressing plate
150, it is formed by pressing plate 160, bottom plate 170, bottom end cover 180 and nacelle 190.The transmission shaft component 110 of the device, upper end cover 120,
Second connecting plate 130, support plate 140, pressing plate 150, bottom plate 170, bottom end cover 180 and nacelle 190 use the titanium of same size
Alloy material uses insulating materials by pressing plate 160.Energy-storage units 200 are fixed on upper end cover 120, by DC converter and electric power storage
Pond forms, and DC converter will store after unstable electric energy voltage stabilizing that piezoelectric energy-conversion piece exports into accumulator, then pass through water
Close connector supplies electricity to offshore instrument.Support plate 140 is connected to bottom plate 170 using the second connecting plate 130, constitutes the base of the present invention
This frame.Pressing plate 150 is positioned over by pressing plate 160 in the basic framework that support plate 140 is constituted, by pressing plate 160 and support plate 140
It is attached by the second connecting plate 130.Transmission shaft component 110 is passed sequentially through using pressing plate 150, by 160 central through hole of pressing plate
Each pressing plate, by pressing plate, pressing plate 150 can be fixed on transmission shaft component 110 using bolt, nut.Energy-storage units 200 are installed
To upper end cover 120.Nacelle 190 is attached with upper end cover 120 and bottom end cover 180 by bolt respectively.
Fig. 1 to Fig. 3 indicates that transmission shaft component 110 is by transmission shaft 111, the first connecting plate 112, linear bearing 113 and energy
Transmission plate 114 is measured to form.Transmission shaft 111 and the first connecting plate 112 are by being welded to connect.Linear bearing 113 is driven for ensureing
Axis moves along a straight line.Energy transmission plate 114 is used to be converted to the energy of wave vibration the linear motion of transmission shaft.
Fig. 4 indicates that upper end cover 120 is equipped with nacelle mounting hole 121, the second connecting plate mounting hole 122, linear bearing and fixes
Hole 123, transmission shaft through hole 124 and wet plug-in connector through hole 125.Upper end cover 120 passes through nacelle mounting hole with nacelle 190
121 utilizations are bolted.Upper end cover 120 is utilized by the second connecting plate mounting hole 122 with the second connecting plate 130 and is bolted.
The transmission shaft through hole 124 of upper end cover 120 can be such that transmission shaft 111 passes through.Linear bearing mounting hole 123 is for fixing linear axis
Hold 113.Dynamic sealing is used between transmission shaft component 110 and upper end cover 120.
Fig. 5 indicates the second connecting plate 130.Second connecting plate 130 is equipped with connecting hole 131 and support plate connecting hole 132.Institute
Connecting hole 131 is stated for corresponding second connecting plate 130 respectively with upper end cover 120, by the connection of pressing plate 160 and bottom plate 170, branch
Connection of the fagging connecting hole 132 for the second connecting plate 130 and support plate 140.Connection is all made of screw bolt and nut.
Fig. 6 indicates support plate 140.There is connecting plate connecting hole 141 in support plate 140, for the second connecting plate 130 and support
The connection of plate 140.
Fig. 7 indicates that pressing plate 150 is equipped with compression bar mounting hole 151, the second connecting plate mounting hole 152 and transmission shaft through hole
153.Bolt is fixed in compression bar mounting hole 151, and deformation is brought it about as the movement of transmission shaft is transferred to piezoelectric material
Medium.Transmission shaft through hole 153 allows the first connecting plate 112 of transmission shaft by pressing plate 150, is utilized in 150 bottom of pressing plate
First connecting plate mounting hole 152 is connect with the first connecting plate 112.
Fig. 8 shows have piezoelectric energy-conversion piece mounting hole 161, transmission shaft through hole 162, connecting plate connecting hole by pressing plate 160
163.Piezoelectric energy-conversion piece is mounted on piezoelectric energy-conversion piece mounting hole 161, and piezoelectric energy-conversion piece mounting hole 161 is pressurized for piezoelectric energy-conversion piece
It generates deformation and leaves adequate space.Transmission shaft through hole 162 allows the first connecting plate 112 of transmission shaft to pass through by pressing plate 160.
For connecting plate connecting hole 163 for the second connecting plate 130 with by the connection of pressing plate 160, connection uses screw bolt and nut.
Fig. 9 indicates that bottom plate 170, connection of the upper junction plate connecting hole 171 for the second connecting plate 130 and bottom plate 170 connect
It connects and uses bolt.
Figure 10 indicates that bottom end cover 180 is equipped with nacelle mounting hole 181, bottom plate mounting hole 182 and linear bearing mounting hole
183.Bottom end cover 180 is utilized by nacelle mounting hole 181 with nacelle 190 and is bolted.Bottom end cover 180, bottom plate 170 and second connect
Fishplate bar 130 is utilized and is bolted by bottom plate mounting hole 182, connecting plate connecting hole 171.Linear bearing mounting hole 123 is for solid
Boning out bearing, linear bearing are used to ensure the linear motion of transmission shaft component 110.
Figure 11 indicates nacelle 190.Have nacelle mounting hole 191 in nacelle 190, for upper end cover 120, bottom end cover 180
It is fixedly connected, connection uses bolt.
The energy-storage units 200 are installed on nacelle upper end cover 120, are made of DC converter and accumulator, DC converting
Device will store after stabilized input voltage into accumulator.
The device need to be placed in seabed when use.Wave, ocean current effect of vibration transmission shaft 111 energy transmission plate 114
On, drive transmission shaft 111 and the pressing plate 150 being fixed on transmission shaft 111 to generate movement；Pressing plate 150 moves so that its upperpush rod
To generating extruding by fixed piezoelectric energy-conversion piece on pressing plate 160, piezoelectric material is set to generate deformation, and then produce electricl energy.Piezoelectricity changes
Total electric energy of acquisition after energy piece connection in series-parallel is input to energy-storage units 200.Energy-storage units 200 realize electricity by watertight connector
It can output.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (7)
1. for offshore instrument miniature piezoelectric energy original position collection device, including transmission shaft component (110), upper end cover (120),
Second connecting plate (130), support plate (140), pressing plate (150), by pressing plate (160), bottom plate (170), bottom end cover (180), nacelle
(190) and energy-storage units (200)；Nacelle (190) both ends are respectively fixed with upper end cover (120) and bottom end cover (180)；Its feature exists
In：
The transmission shaft component (110) is by transmission shaft (111), the first connecting plate (112), linear bearing (113) and energy transmission
Plate (114) forms, and transmission shaft is cylindrical structure, several first connecting plates (112) pass through transmission shaft (111), the first connection
It is to be welded to connect between plate (112) and transmission shaft (111)；Support plate (140) passes through several second connecting plates (130) and bottom plate
(170) it connects, the basic framework of constituent apparatus；The basic framework of described device is located in nacelle (190), transmission shaft (111) according to
It is secondary to pass through upper end cover (120), it is fixed with energy transmission plate (114) in one end；Several first connecting plates (112) are located at device
Basic framework in；Transmission shaft (111) is equipped with linear bearing (113), the linear bearing with upper end cover (120) junction
(113) it is used to ensure that transmission shaft (111) moves along a straight line；Several groups pressing plate (150) and by pressing plate (160) pass through transmission shaft (111),
Support plate (140), pressing plate (150) and the first connecting plate are connected by the second connecting plate (130) by the end of pressing plate (160)
(112) it is connected by screw bolts；Pressing plate (150) is equipped with compression bar mounting hole (151), is used for compression column with fixed, and the compression bar is located at pressure
Plate (150) and by between pressing plate (160)；The support plate (140) is fixed on upper end cover (120), and the bottom end cover (180) is solid
Due on bottom plate (170)；It is described to be fixed with piezoelectric energy-conversion piece on pressing plate (160)；
The energy-storage units (200) are formed by connecting by DC converter and accumulator, and energy-storage units (200) are fixed on upper end cover
(120), the output end of the DC converter connects watertight connector, and input terminal connects piezoelectric energy-conversion piece；
For seawater effect of vibration on energy transmission plate (114), the energy that seawater vibrates is converted to transmission by energy transmission plate (114)
The linear motion of axis (111) is squeezed by the piezoelectric material on pressing plate with dynamic pressure plate, makes its deformation, generated using direct piezoelectric effect
Electric energy, the power storage of generation realize that the in situ of external offshore instrument is powered in energy-storage units, by watertight connector.
2. the miniature piezoelectric energy original position collection device according to claim 1 for offshore instrument, it is characterised in that institute
State pressing plate (150) and identical by the quantity of pressing plate (160).
3. the miniature piezoelectric energy original position collection device according to claim 1 for offshore instrument, it is characterised in that institute
It states and is set on the pressing plate (150) equipped with piezoelectric energy-conversion piece mounting hole (161) for fixing piezoelectric energy-conversion piece by pressing plate (160)
There is compression bar mounting hole (151), be used for compression column with fixed, the piezoelectric energy-conversion piece is identical as the quantity of compression bar.
4. the miniature piezoelectric energy original position collection device according to claim 1 for offshore instrument, it is characterised in that pass
Moving axis component (110), upper end cover (120), the second connecting plate (130), support plate (140), pressing plate (150), bottom plate (170), under
End cap (180) and nacelle (190) use titanium alloy material.
5. the miniature piezoelectric energy original position collection device according to claim 1 for offshore instrument, it is characterised in that quilt
Pressing plate (160) uses insulating materials.
6. the miniature piezoelectric energy original position collection device according to claim 1 for offshore instrument, it is characterised in that institute
It states and uses dynamic sealing between transmission shaft component (110) and upper end cover (120).
7. the miniature piezoelectric energy original position collection device according to claim 1 for offshore instrument, it is characterised in that institute
It states nacelle (190) to be connected by screw bolts between upper end cover (120) and bottom end cover (180) respectively, and is realized by sealing ring quiet
Sealing.
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| CN201610555566.XA CN106050541B (en) | 2016-07-15 | 2016-07-15 | Miniature piezoelectric energy original position collection device for offshore instrument |
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| CN201610555566.XA CN106050541B (en) | 2016-07-15 | 2016-07-15 | Miniature piezoelectric energy original position collection device for offshore instrument |
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| CN107060373A (en) * | 2017-03-31 | 2017-08-18 | 成都协恒科技有限公司 | Power generation type container house |
| CN106988953B (en) * | 2017-04-05 | 2018-11-02 | 合肥工业大学 | A kind of fluid kinetic energy collecting device for submarine navigation device |
| CN108512456B (en) * | 2018-05-10 | 2019-05-21 | 浙江大学 | A kind of frictional electrostatic generating unit and its application in ocean energy acquisition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5814921A (en) * | 1995-03-13 | 1998-09-29 | Ocean Power Technologies, Inc. | Frequency multiplying piezoelectric generators |
| JP4248574B2 (en) * | 2006-11-15 | 2009-04-02 | 英男 須長 | Tidal power generator |
| CN101814859B (en) * | 2010-04-02 | 2012-05-23 | 清华大学 | Wave power piezoelectric generating device |
| JP2011233630A (en) * | 2010-04-26 | 2011-11-17 | Kyocera Corp | Power generation member and power generation device using the same |
| CN102324870A (en) * | 2011-09-22 | 2012-01-18 | 张智瑞 | Piezoelectric type power generating device |
| CN103312216B (en) * | 2013-06-06 | 2015-09-16 | 中山大学 | A kind of fluid piezoelectric generating device and device group |
| ES2478423B1 (en) * | 2014-01-09 | 2015-06-17 | Javier PEÑA ANDRÉS | Electricity generating column |
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