CN206290361U - A kind of ocean wave energy piezoelectric generating device - Google Patents
A kind of ocean wave energy piezoelectric generating device Download PDFInfo
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- CN206290361U CN206290361U CN201621272067.1U CN201621272067U CN206290361U CN 206290361 U CN206290361 U CN 206290361U CN 201621272067 U CN201621272067 U CN 201621272067U CN 206290361 U CN206290361 U CN 206290361U
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- connecting rod
- float
- generating device
- piezoelectric generating
- ocean wave
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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
- Y02E10/20—Hydro 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
Abstract
The utility model discloses a kind of ocean wave energy piezoelectric generating device, comprising float, counter weight device and connecting rod.The inside of described float is provided with piezoelectric generating device, the piezoelectric generating device is connected by the end of spring beam with the inwall of spherical float, some piezoelectric ceramic pieces are arranged on the upper and lower surface of spring beam, the upper end of the connecting rod is connected by sealing device with the spring beam of piezoelectric generating device, and the lower end of the connecting rod is fixed with the counter weight device.Float, counter weight device and the connecting rod that the utility model is proposed constitute two degrees of freedom resonator system, and relative motion is produced under the excitation of ocean wave, and converting mechanical energy into electric energy by the periodic vibration of piezoelectric generating device exports.The wave energy that the utility model takes full advantage of ocean carries out piezo-electric generating, with simple and compact for structure, the characteristics of be easily installed implementation, is conducive to popularization and application.
Description
Technical field
The utility model is related to a kind of electric generator using sea wave energy, more particularly to a kind of ocean wave energy piezo-electric generating dress
Put.
Background technology
Ocean wave energy is worth as a kind of important marine energy with great development and utilization.With modern section
The fast development of skill, the mode of various utilization ocean wave energies is suggested.Mainly include floating-type generation mode, oscillaton water column type
Generation mode and pendulum-type wave-activated power generation mode.And using complicated cursory and generating mechanism more than traditional floating-type generation mode,
Generating mechanism is complicated simultaneously, and capacity usage ratio is low.
Utility model content
Technical problem to be solved in the utility model is directed to involved defect in background technology, there is provided Yi Zhonghai
Foreign wave energy piezoelectric generating device.
The utility model uses following technical scheme to solve above-mentioned technical problem：
A kind of ocean wave energy piezoelectric generating device, comprising float, counter weight device and connecting rod；
The float is provided with sealing cavity, and piezoelectric generating device is provided with the cavity；
The connecting rod includes upper connecting rod, lower connecting rod and elastic device, and described upper connecting rod one end passes through the bullet
Property device is connected with one end of the lower connecting rod, and the other end stretches into the float and is fixedly connected with the piezoelectric generating device,
The other end of the lower connecting rod and the counter weight device are fixedly linked；
The float floats on the surface, the counter weight device sinks under water, and float, counter weight device and connecting rod form two certainly
By degree resonator system, relative motion can be produced under the excitation of ocean wave.
As a kind of further prioritization scheme of ocean wave energy piezoelectric generating device of the utility model, the elastic device
Using spring.
As a kind of further prioritization scheme of ocean wave energy piezoelectric generating device of the utility model, the piezo-electric generating
Device includes connecting plate and several piezo-electric generating units；
The piezo-electric generating unit includes spring beam and some piezoelectric ceramic pieces being provided in spring beam upper and lower surface,
One end of the spring beam and the connecting plate are fixedly linked, the cavity wall of the other end and the float is fixedly linked；
The spring beam of each piezo-electric generating unit is generally aligned in the same plane；
The upper connecting rod stretches into the float and the connecting plate is fixedly linked.
As a kind of further prioritization scheme of ocean wave energy piezoelectric generating device of the utility model, the upper connecting rod
The sealing device for waterproof is provided with the bottom junction of the float.
As a kind of further prioritization scheme of ocean wave energy piezoelectric generating device of the utility model, on the connecting plate
The through hole passed through for the upper connecting rod is provided with, the upper connecting rod is provided with for limiting through one end of through hole on the connecting plate
The spherical structure of position.
As a kind of further prioritization scheme of ocean wave energy piezoelectric generating device of the utility model, the piezo-electric generating
The number of unit is equal for the angle between 8, and each piezo-electric generating unitary elasticity beam.
As a kind of further prioritization scheme of ocean wave energy piezoelectric generating device of the utility model, the piezoelectric ceramics
Piece polarizes each along thickness direction.
The invention also discloses a kind of working method based on the ocean wave energy piezoelectric generating device, comprising following
Step：
Step 1）, the float is subject to the relative position of impact and the counter weight device of ocean wave to produce change, causes to connect
Extension bar produces vibration；
Step 2）, the axial direction of upper connecting rod upper end produces displacement, drives the spring beam and piezoelectricity of each piezo-electric generating unit
Potsherd produces flexural vibrations；
Step 3）, the surface of piezoelectric ceramic piece through-thickness produces electric charge, realizes piezo-electric generating；
Step 4）, the energy of elastic device storage ocean wave impact；
Step 5）, elastic device simultaneously transfers its energy to spring beam and pressure that upper connecting rod drives each piezo-electric generating unit
Electroceramics piece flexural vibrations, realize piezo-electric generating.
The utility model uses above technical scheme compared with prior art, with following technique effect：
The utility model makes full use of the huge kinetic energy that the wave of the water surface springs up and is converted to electric energy, and wave is sprung up
Natural energy exploitation is mobile satellite location equipment, wireless telecommunication system, hydrologic monitoring and the sonar for being supplied to the utility model itself
The electric energy that detection device is used, is conducive to the utilization and exploitation of clean energy resource, meets mankind's cleaning, the development of efficient electric energy and becomes
Gesture.It is of the present utility model simple and compact for structure, implementation is easily installed, while being conducive to popularization and application.
Brief description of the drawings
Fig. 1 is the principle schematic diagram. of ocean wave energy piezoelectric generating device of the present utility model；
Fig. 2 is the structural representation of the piezo-electric generating cellular array formula spring beam of float of the present utility model；
Fig. 3 is the schematic diagram that is connected with connecting rod of piezo-electric generating unit of float；
Fig. 4 is the schematic diagram that counter weight device is connected with connecting rod；
Fig. 5 is the electricity generating principle figure of the piezo-electric generating unit of float；
Fig. 6 is the schematic diagram that global position system and communication system are set in float；
Fig. 7 is the schematic diagram that detection system and communication system are set in counter weight device；
Fig. 8 is a kind of application form that TRT is also placed in counter weight device；
Fig. 9 is a kind of application form of use float array.
In figure, 1- floats, 11- sealing devices, 2- counter weight devices, 3- connecting rods, 31- springs, 32- upper connecting rods, under 33-
Connecting rod, 34- connecting plates, 4- piezoelectric generating devices, 41- spring beams, 42- piezoelectric ceramic pieces, 5- detection devices, 6- communication dresses
Put, 7- positioners, 8- sonar detection devices.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
Such as Fig. 1, sea in ocean wave energy piezoelectric generating device application Yu Haiyang of the present utility model or produce fluctuation,
The waters of surge, tidal energy, makes full use of wave to spring up the energy of generation and is converted into electric energy.Sea of the present utility model
Face float piezoelectric generating device includes float 1, counter weight device 2, and the connecting rod 3 for connecting float 1 and counter weight device 2.This reality
Sealing structure is used with new float 1, counter weight device 2.
Float 1 is provided with sealing cavity, and piezoelectric generating device 4 is provided with cavity；Connecting rod 3 includes upper connecting rod 32, lower company
Extension bar 33 and elastic device 31, one end of upper connecting rod 32 are connected by elastic device 31 with one end of lower connecting rod 33, the other end
Stretch into float 1 to be fixedly connected with piezoelectric generating device 4, the other end and counter weight device 2 of lower connecting rod 33 are fixedly linked；Float 1
Float on the surface, counter weight device 2 sinks under water, float 1, counter weight device 2 and connecting rod 3 form two degrees of freedom resonator system, energy
It is enough to produce relative motion under the excitation of ocean wave.
Elastic device 31 preferentially uses spring.
The piezoelectric generating device 4 that the inside of float 1 is set includes connecting plate 34 and several piezo-electric generating units, piezoelectricity hair
Electric unit includes spring beam 41 and some piezoelectric ceramic pieces 42 being provided in the upper and lower surface of spring beam 41, the one of spring beam 41
End and connecting plate 34 are fixedly linked, the cavity wall of the other end and float 1 is fixedly linked；The elasticity of each piezo-electric generating unit
Beam 41 is generally aligned in the same plane；Upper connecting rod 32 stretches into the float 1 and the connecting plate 34 is fixedly linked.The upper connecting rod 32
The sealing device 11 for waterproof is provided with the bottom junction of the float 1.Float 1 is in the present embodiment using the ball of sealing
Shape structure, it would however also be possible to employ other such as round platforms, conical round table etc..
Such as Fig. 2, in a particular embodiment, piezoelectric generating device 4 be provided with 8 piezo-electric generating unit 4a, 4b, 4c, 4d,
Angle between 4e, 4f, 4g, 4h, and each piezo-electric generating unitary elasticity beam 41 is equal.Wherein, piezo-electric generating unit 4a, 4b
It is symmetrical structure, piezo-electric generating unit 4c, 4d are symmetrical structures, and piezo-electric generating unit 4e, 4f are symmetrical structure, piezoelectricity
Generator unit 4g, 4h are symmetrical structures.Multigroup piezo-electric generating unit can use integrally formed structure in mechanism, so that
It is easy to connecting rod 3 when being fixedly connected cooperation, the structure such as through hole run through in the center setting of piezoelectric generating device is i.e.
Can.When piezoelectric generating device of the present utility model works, outside impulsive force can to the active force that piezoelectric generating device is produced
To be adequately and uniformly converted into the energy of a charge of efficient piezo-electric effect.
In a particular embodiment, the spring beam 41 of the array that multiple piezo-electric generating units are formed, wherein, spring beam 41 is adopted
With elastomeric material, piezoelectric ceramic piece 42 is each along thickness direction polarization.
Refering to Fig. 3, centre of the connecting rod 3 comprising upper connecting rod 32, lower connecting rod 33 and the upper and lower connecting rod 32,33 of connection
Spring 31.Upper connecting rod 32 stretches into the inside of float 1 through sealing device 11, and connecting plate 34 is provided with to be worn for upper connecting rod 32
The through hole crossed, upper connecting rod 32 is provided with for spacing spherical structure through one end of through hole on connecting plate 34.
Refering to Fig. 4, the lower connecting rod 33 of attachment means is fixedly connected with counter weight device 2.
In order to coordinate piezoelectric generating device, piezoelectric generating device also to include voltage conversion circuit device, voltage conversion circuit
Device includes rectification circuit, voltage stabilizing charging circuit, electrical storage device, control device and output device.
In a particular embodiment, the upper and lower connecting rod 32,33 of connecting rod of the present utility model 3 can use corrosion resistant
The connecting rod that material is made, increases the service life in water, and spring 31 can carry out corrosion-resistance treatment, increase service life.
The working method of the ocean wave energy piezoelectric generating device, comprises the steps of：
Step 1）, the float 1 is subject to the relative position of impact and the counter weight device 2 of ocean wave to produce change, causes
Connecting rod 3 produces vibration；
Step 2）, the axial direction of the upper end of upper connecting rod 32 produces displacement, drives the He of spring beam 41 of each piezo-electric generating unit
Piezoelectric ceramic piece 42 produces flexural vibrations；
Step 3）, the surface of the through-thickness of piezoelectric ceramic piece 42 produces electric charge, realizes piezo-electric generating；
Step 4）, the energy of the storage ocean wave impact of elastic device 31；
Step 5）, elastic device 31 simultaneously transfer its energy to upper connecting rod 32 drive each piezo-electric generating unit spring beam
41 and the flexural vibrations of piezoelectric ceramic piece 42, realize piezo-electric generating.
Such as Fig. 5, for ease of understanding the power generation operation process of TRT of the present utility model, make following concise description：
The upward of wave on sea springs up under impetus float of the present utility model 1, the upper connecting rod of connecting rod 3
After active force to the piezoelectric generating device 4 of 32 transmission waves, the piezoelectric ceramic piece on piezoelectric generating device 4 produces deformation and produces
With accumulation electric energy, under by the active force of the period 1 of wave, spring beam 41 produces upward from the first initial period t=nT
Deformation, drives piezoelectric ceramic piece 42 to be also bent upwards generation deformation and then produces charge variation and in the 1/4th cycle t=T/4+nT
Electric energy is accumulated during state, after the upper connecting rod 32 of connecting rod 3 is no longer influenced by the active force of wave, spring beam 41 and piezoelectric ceramics
Piece 42 recovers normal state in the 1/2nd cycle t=T/2+nT state in level, and the downward fluctuation in 3/4 cycle of wave is gushed
Dynamic deformation from motion promotes the upper connecting rod 32 of connecting rod 3 to act on spring beam 41, and spring beam 41 drives piezoelectric ceramic piece 42 the 3/4th
Generation deformation is bent downwardly during cycle t=3T/4+nT state and then is produced charge variation and is accumulated electric energy, when wave is no longer acted on
In the upper connecting rod 32 of connecting rod 3, define spring beam 41 and piezoelectric ceramic piece 42 and recover again to the level of initial period t=nT.Such as
This repeatedly, the upper connecting rod 32 of connecting rod 3 promotes spring beam 41 and piezoelectric ceramic piece 42 in the active force sprung up by wave
Produce deformation and then accumulate electric energy, spring beam 41 and piezoelectric ceramic piece 42 reply water in the active force not sprung up by wave
Level state, spring beam 41 drives piezoelectric ceramic piece 42 periodically constantly to accumulate electric energy, so as to realize electrical energy accumulation and pass through hair
The translation bit electric energy of voltage electric installation 4 is being supplied to electrical equipment.
Float 1 in the present embodiment employs the spherical structure of sealing, in other embodiments, it would however also be possible to employ other
Such as elliposoidal, cylindricality or cone bottom platform etc..
Counter weight device 2 in the present embodiment employs the spherical structure of sealing, in other embodiments, it would however also be possible to employ
Other such as elliposoidals, cylindricality or cone bottom platform etc..
The operation principle of the ocean wave energy piezoelectric generating device of one embodiment of the present utility model is briefly described below：
Ocean wave energy piezoelectric generating device of the present utility model is positioned over the sea or other waters for producing wave to spring up
The water surface when, spherical float 1 is floated across the sea, the counter weight device 2 be located at sea under, float 1, connecting rod 3, counter weight device
2 vibrational systems for forming two degrees of freedom, relative motion is produced under the excitation of ocean wave.Part energy passes through connecting rod 3
The piezoelectric ceramic piece of the piezoelectric generating device of float is set to produce Bending Deformation to form electric charge, by by the piezoelectric ceramics of array distribution
The charge-trapping on piece surface gets up and conversion process realizes piezo-electric generating, another part energy storage in vibrational system, rear
Gradually discharged in continuous vibration.
Such as Fig. 6, in a particular embodiment, also set up inside float 1 and be connected to the detection device 5 of piezoelectric generating device 4, lead to
T unit 6 and positioner 78, the power supply that detection device 5 receives piezoelectric generating device 4 are supplied so as to realize the detection on sea, fixed
Position device 7 is used to realizing offshore location of the present utility model positioning, and communicator 6 is connected to other communication equipments and for example communicates to be defended
Star, ground communication base station or sea communication base station realize data communication.
Such as Fig. 7, in a particular embodiment, can be with hydrologic monitoring and sonar detection device 8, Ke Yijin in counter weight device
Row undersea detection, and data are issued into remote base stations by data by the wireless communication apparatus 7 in float.
In actual applications, as shown in figure 8, for improve generating efficiency, the dress that generates electricity can be also provided with counter weight device
Put, the electricity generating principle of the TRT is identical with the TRT principle in float, can be the electronic equipment in counter weight device
Electric energy is provided.
In actual applications, for improve generating efficiency, it would however also be possible to employ the mode shown in Fig. 9, several structures are used
Identical float, constitutes array, most possibly using wave energy.
In sum, the utility model take full advantage of ocean wave spring up the tide kinetic energy stimulation of generation by float,
The two degrees of freedom resonator system of counterweight and connecting rod composition produces relative motion, by the piezoelectric ceramic piece of TRT by machinery
Electric energy can be converted to.It is of the present utility model simple and compact for structure, implementation is easily installed, be conducive to popularization and application.Meanwhile, Ke Yi
Global position system, detection system, wireless telecommunication system are set in float, detection system is set in counter weight device, can be by
Detection data and positional information are uploaded to remote base stations by wireless telecommunication system, and receive the control instruction of remote base stations, real
Monitor generating integrated function in existing sea.
Those skilled in the art of the present technique it is understood that unless otherwise defined, all terms used herein（Comprising skill
Art term and scientific terminology）With with the utility model art in those of ordinary skill general understanding identical anticipate
Justice.It should also be understood that those terms defined in such as general dictionary should be understood that with upper with prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with idealization or excessively formal implication come
Explain.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the present utility model, is not used to limit
The utility model processed, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc.,
Should be included within protection domain of the present utility model.
Claims (7)
1. a kind of ocean wave energy piezoelectric generating device, it is characterised in that comprising float（1）, counter weight device（2）And connecting rod
（3）；
The float（1）Sealing cavity is provided with, piezoelectric generating device is provided with the cavity（4）；
The connecting rod（3）Comprising upper connecting rod（32）, lower connecting rod（33）And elastic device（31）, the upper connecting rod（32）
One end passes through the elastic device（31）With the lower connecting rod（33）One end be connected, the other end stretches into the float（1）With
The piezoelectric generating device（4）It is fixedly connected, the lower connecting rod（33）The other end and the counter weight device（2）Fixing phase
Even；
The float（1）Float on the surface, the counter weight device（2）Sink under water, float（1）, counter weight device（2）And connecting rod
（3）Two degrees of freedom resonator system is formed, relative motion can be produced under the excitation of ocean wave.
2. ocean wave energy piezoelectric generating device according to claim 1, it is characterised in that the elastic device（31）Adopt
Use spring.
3. ocean wave energy piezoelectric generating device according to claim 1, it is characterised in that the piezoelectric generating device
（4）Comprising connecting plate（34）With several piezo-electric generating units；
The piezo-electric generating unit includes spring beam（41）Spring beam is provided in some（41）Piezoelectricity pottery in upper and lower surface
Ceramics（42）, the spring beam（41）One end and the connecting plate（34）Be fixedly linked, the other end and the float（1）Sky
Cavity wall is fixedly linked；
The spring beam of each piezo-electric generating unit（41）It is generally aligned in the same plane；
The upper connecting rod（32）Stretch into the float（1）With the connecting plate（34）It is fixedly linked.
4. ocean wave energy piezoelectric generating device according to claim 1, it is characterised in that the upper connecting rod（32）With
The float（1）Bottom junction be provided with sealing device for waterproof（11）.
5. ocean wave energy piezoelectric generating device according to claim 3, it is characterised in that the connecting plate（34）On set
Have for the upper connecting rod（32）The through hole for passing through, the upper connecting rod（32）Through the connecting plate（34）One end of upper through hole
It is provided with for spacing spherical structure.
6. ocean wave energy piezoelectric generating device according to claim 3, it is characterised in that the piezo-electric generating unit
Number is equal for the angle between 8, and each piezo-electric generating unitary elasticity beam.
7. ocean wave energy piezoelectric generating device according to claim 3, it is characterised in that the piezoelectric ceramic piece（42）
Each along thickness direction polarization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621272067.1U CN206290361U (en) | 2016-11-24 | 2016-11-24 | A kind of ocean wave energy piezoelectric generating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621272067.1U CN206290361U (en) | 2016-11-24 | 2016-11-24 | A kind of ocean wave energy piezoelectric generating device |
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| Publication Number | Publication Date |
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| CN206290361U true CN206290361U (en) | 2017-06-30 |
Family
ID=59099968
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555727A (en) * | 2016-11-24 | 2017-04-05 | 南京航空航天大学 | A kind of ocean wave energy piezoelectric generating device and its working method |
| CN108092550A (en) * | 2017-12-18 | 2018-05-29 | 中山大学 | A kind of float to be generated electricity using piezoelectricity |
| CN108533445A (en) * | 2018-02-05 | 2018-09-14 | 佛山科学技术学院 | A kind of double float resonance type off-lying sea wave-power devices |
| CN110329307A (en) * | 2019-07-26 | 2019-10-15 | 上海工程技术大学 | A kind of passive and wireless shaft temperature monitoring system |
| CN112134490A (en) * | 2020-09-14 | 2020-12-25 | 河海大学 | Beam-slab combined type underwater power generation device based on flexoelectric effect and method thereof |
| CN113783465A (en) * | 2021-08-25 | 2021-12-10 | 南京航空航天大学 | Piezoelectric driving deep sea release system and working method thereof |
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2016
- 2016-11-24 CN CN201621272067.1U patent/CN206290361U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555727A (en) * | 2016-11-24 | 2017-04-05 | 南京航空航天大学 | A kind of ocean wave energy piezoelectric generating device and its working method |
| CN106555727B (en) * | 2016-11-24 | 2022-06-10 | 南京航空航天大学 | Ocean wave energy piezoelectric power generation device and working mode thereof |
| CN108092550A (en) * | 2017-12-18 | 2018-05-29 | 中山大学 | A kind of float to be generated electricity using piezoelectricity |
| CN108533445A (en) * | 2018-02-05 | 2018-09-14 | 佛山科学技术学院 | A kind of double float resonance type off-lying sea wave-power devices |
| CN108533445B (en) * | 2018-02-05 | 2023-11-28 | 佛山科学技术学院 | Double-floater resonance type open sea wave power generation device |
| CN110329307A (en) * | 2019-07-26 | 2019-10-15 | 上海工程技术大学 | A kind of passive and wireless shaft temperature monitoring system |
| CN112134490A (en) * | 2020-09-14 | 2020-12-25 | 河海大学 | Beam-slab combined type underwater power generation device based on flexoelectric effect and method thereof |
| CN113783465A (en) * | 2021-08-25 | 2021-12-10 | 南京航空航天大学 | Piezoelectric driving deep sea release system and working method thereof |
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