CN207010575U - A kind of crank block type piezoelectric generating device using wave energy - Google Patents

A kind of crank block type piezoelectric generating device using wave energy Download PDF

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Publication number
CN207010575U
CN207010575U CN201720904366.0U CN201720904366U CN207010575U CN 207010575 U CN207010575 U CN 207010575U CN 201720904366 U CN201720904366 U CN 201720904366U CN 207010575 U CN207010575 U CN 207010575U
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China
Prior art keywords
cylinder
buoy
rotary shaft
energy
runner
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Expired - Fee Related
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CN201720904366.0U
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Chinese (zh)
Inventor
王海峰
李蒙
崔宜梁
孙凯利
郭修宇
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Qingdao University
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Qingdao University
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    • 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

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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The utility model belongs to ocean wave energy collection technique field, it is related to a kind of crank block type piezoelectric generating device using wave energy, include bearing and piezoelectric energy-capturing cylinder including power generation part and by ripple part, power generation part, piezoelectric energy-capturing cylinder includes cylinder, rotary shaft and runner, cylinder is cased with one end of rotary shaft, the other end is fixedly connected with runner, and cylinder, rotary shaft and runner are arranged concentrically, and cylinder is fixed on bearing, for hollow cylinder, rotary shaft can rotate around the axis of cylinder;Included buoy and buoy drive link by ripple part, runner is provided with eccentric shaft on the side away from cylinder, one end of buoy drive link and one end of buoy are hinged, and the other end and the eccentric shaft of buoy drive link are hinged.It is cheap that the utility model provides a kind of manufacturing cost, equipment is simple and can make full use of the crank block type piezoelectric generating device of power generation with marine energy, to meet the power demand of the ocean such as navigation light mini electrical equipment, this has great importance to effectively utilizing for regenerative resource.

Description

A kind of crank block type piezoelectric generating device using wave energy
Technical field
The utility model belongs to ocean wave energy collection technique field, and in particular to a kind of crank block using wave energy Formula piezoelectric generating device.
Background technology
Ocean energy is that the mankind begin one's study one of energy earlier, exploitation of the people to ocean energy from 18 end of the centurys just Through starting, but compared with other energy, the development environment of ocean energy is severe, and development relatively lags behind.Because ocean area accounts for the earth The 71% of the gross area, and ocean energy is the regenerative resource of cleaning, it is inexhaustible, nexhaustible, so every country is all Continue to increase and the exploration of ocean energy is put into.With the continuous development of scientific technology, many countries particularly marine energy resources Energetically support of the abundant country to ocean energy exploitation, the exploitation of ocean energy there has been the development advanced by leaps and bounds, and China is from 20 generation Record and start also to study power generation with marine energy and achieve certain achievement the seventies.
Although ocean energy reserves are extremely abundant, it is now subjected to that collection technique is costly and the low system of utilization ratio About, the utilization of wave energy cannot be promoted always.If can rationally be utilized, by the very big energy knot for improving China Structure, alleviate China's energy shortage problem, ensure the sustainable use of the energy, while wave energy is the renewable energy of cleanliness without any pollution Source, the reasonable utilization of wave energy not only can alleviate rapid economic development and be restricted degree by shortage of resources, also will be greatly Improve the living environment of our inhabitations, improve the living standard of people.
With the development of piezo technology, piezoelectric increasingly diversification, using the direct piezoelectric effect of piezoelectric by machine Tool can be converted to the conversion efficiency more and more higher of electric energy, and then be favored by people.Ocean energy as a kind of nexhaustible and The energy of cleaning, piezo technology is used for power generation with marine energy direction, design is simply and easily filled using the piezoelectricity of power generation with marine energy Put, the utilization rate of ocean energy can be improved.
Utility model content
The utility model provides that a kind of manufacturing cost is cheap, and equipment is simple and can make full use of the crank of power generation with marine energy Slide block type piezoelectric generating device, to meet the power demand of the ocean such as navigation light mini electrical equipment, this is to regenerative resource Effectively utilize and have great importance.
To achieve these goals, the utility model adopts the following technical scheme that:A kind of crank block using wave energy Formula piezoelectric generating device, including power generation part and included bearing and piezoelectric energy-capturing cylinder, piezoelectric energy-capturing cylinder by ripple part, power generation part Including cylinder, rotary shaft and runner, cylinder is cased with one end of rotary shaft, the other end is fixedly connected with runner, cylinder, rotary shaft It is arranged concentrically with runner, cylinder is fixed on bearing, is hollow cylinder, and rotary shaft can rotate around the axis of cylinder; Being included buoy and buoy drive link by ripple part, runner is provided with eccentric shaft on the side away from cylinder, and the one of buoy drive link One end with buoy is held to be hinged, the other end and the eccentric shaft of buoy drive link are hinged;Rotary shaft is located at the portion in piezoelectric energy-capturing cylinder Plectrum is provided with the surface divided, several plectrums are uniformly arranged along the axial and circumferential of rotary shaft respectively, the inner side table of cylinder Piezoelectric patches is additionally provided with face, the piezoelectric patches corresponds to the one-to-one setting in position of plectrum, when rotary shaft rotates, the freedom of plectrum End can stir the free end of piezoelectric patches.
Further, the rolling bearing being adapted with rotary shaft is provided with the center of two end faces of cylinder, revolved The inner ring of rotating shaft and rolling bearing is fitted close.
Further, the cylinder is provided with mesh end cap close to the side of runner.
Preferably, the buoy is made of light material.
Further, the buoy drive link is hinged by one end of spherical linkage and buoy.
Further, the buoy drive link is hinged by oscillating bearing and eccentric shaft.
Preferably, the piezoelectric patches is made of flexible piezoelectric material.
Electric generator using sea wave energy of the present utility model based on piezo-electric effect compared with prior art, has with following Beneficial effect:
(1) device transformation efficiency of the present utility model is high, being capable of springing up wave by crank block type drive mechanism The mechanical movement of flexible piezoelectric piece is converted into, this design can reduce the transmission link of centre, and then improve wave energy To the conversion ratio of electric energy;
(2) utilization ratio of device of the present utility model is high, is adapted to the driving of water surface irregular water wave, fully gathers sea Wave energy, expand the application of whole TRT;
(3) apparatus structure of the present utility model is simple, and cost is cheap, is easily installed, and can widely use.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is phantom of the present utility model;
Fig. 3 is rotary shaft and the structural representation of plectrum arrangement;
In above-mentioned figure:1- bearings;2- piezoelectric energy-capturing cylinders;21- cylinders;22- rotary shafts;23- runners;24- eccentric shafts;25- Plectrum;26- piezoelectric patches;27- rolling bearings;28- mesh end caps;3- buoys;4- buoy drive links.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this Utility model, it is not used to limit the utility model.
As shown in figure 1, a kind of crank block type piezoelectric generating device using wave energy, including power generation part and by ripple portion Point, power generation part includes bearing 1 and piezoelectric energy-capturing cylinder 2, the generally rectangular-shape of bearing 1, and length is provided with the middle part of its upper surface Cube shape groove is used for fixed cylinder 21, and the length of groove is slightly larger than the height of cylinder 21, and width is slightly larger than the diameter of cylinder 21, deep For degree less than the radius of cylinder 21, such setting disclosure satisfy that the fixation for cylinder 21, while avoid the depth of bearing 1 too big Rotation to rotary shaft 22 produces interference.
As shown in Fig. 2 piezoelectric energy-capturing cylinder 2 includes cylinder 21, rotary shaft 22 and runner 23, it is cased with one end of rotary shaft 22 Cylinder 21, the other end are fixedly connected with runner 23, and cylinder 21, rotary shaft 22 and runner 23 are arranged concentrically, 21 two ends of cylinder The rolling bearing 27 being adapted with rotary shaft 22 is provided with the center in face, rotary shaft 22 and the inner ring of rolling bearing 27 are close Coordinate.For rotary shaft 22 when moving in a circle, its rolling friction between piezoelectric energy-capturing cylinder is smaller, reduces the damage of energy Consumption, improves wave energy to the conversion ratio of electric energy.Cylinder 21 is fixed on bearing 1, is hollow cylinder, rotary shaft 22 can Axis around cylinder 21 rotates.Cylinder 21 is provided with mesh end cap 28 close to the side of runner 23, and the design of mesh end cap can have Effect prevents the influence of debris and other unknown objects, and is easy to observe, be easy to maintenance person subsequently to device install and use and Safeguard.
Included buoy 3 and buoy drive link 4 by ripple part, main body of the buoy 3 in addition to hinge portion is filled by foamed material It is made, own wt is light, can effectively rise and fall on the waves.Runner 23 is provided with eccentric shaft 24 on the side away from cylinder 21, floats One end of drift drive link 4 is hinged by one end of spherical linkage and buoy 3, and the other end of buoy drive link 4 passes through oscillating bearing It is be hinged with eccentric shaft 24.Rotary shaft 22, which is located on the surface of the part in piezoelectric energy-capturing cylinder 2, is provided with plectrum 25, in the present embodiment In, setting one group includes 6 plectrums 25, sets circumference of the plectrum 25 in 6 groups, every group along rotary shaft 22 to be uniformly arranged altogether, often Axial direction of the group plectrum 25 along rotary shaft 22 is uniformly arranged.It is additionally provided with the inner surface of cylinder 21 made of flexible piezoelectric material Piezoelectric patches 26, the one-to-one setting in position of the corresponding plectrum 25 of piezoelectric patches 26, when rotary shaft 22 rotates, the free end of plectrum 25 can Stir the free end of piezoelectric patches 26.
The operation principle of TRT is:The device is mainly used in apart from land and island closer shallow sea or inland river Basin, on aouatic structure thing (pile of such as offshore engineering structure, the bridge pier in interior river valley).The device seat 1 The end face of the non-articulated end of bottom surface and buoy 3 can be fixed on aouatic structure thing by the structure of a L-type, integral installation height Suitable, so as to make buoy 3 swim on the water surface, buoy 3 moves up and down with the fluctuating of wave, passes through spherical hinge Chain, buoy drive link 4, and the transmission of oscillating bearing so that runner 23 moves in a circle, and drives and be distributed in rotary shaft 22 Plectrum 25 on surface constantly stirs piezoelectric patches 26 and produces vibration, and then finally realizes wave energy to electric energy using piezoelectric patches 26 Conversion.Mechanical strain is changed into electric charge using piezo-electric effect in vibration processes and exported by piezoelectric patches 26, is connect by wire Enter modulate circuit and carry out electric transformation of energy and storage, final is that the oceanographic equipment such as navigation light that power consumption is watt magnitude is powered.This reality Simple with new overall structure, cost is cheap, is easily installed, and can widely use.
The transmission mechanism that the utility model uses is by buoy 3, spherical linkage, buoy drive link 4, oscillating bearing and turned Wheel 23 form slider-crank mechanisms, in the present embodiment set transmission mechanism be stainless steel to avoid getting rusty, the transmission Mechanism structure is simple, and cost is cheap, and passing power is big, and transmission efficiency is high, the impact of wave effectively can be converted into rotation The rotation of axle 22, and then produce more electric energy.In addition, plectrum 25 and piezoelectric patches 26 can set it is multigroup, with to greatest extent Wave energy is improved to the inversion quantity of electric energy.Further, it is also possible to be arranged as required to the quantity of plectrum 25 and piezoelectric patches 26, during setting The motion around between any two groups is avoided to be interfered.And buoy 3 with buoy drive link 4 is connected by spherical linkage Connect, there is the characteristics of universal property, be adapted to the driving of water surface irregular water wave, fully gather the wave energy on sea, expand The application of whole TRT.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted, And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.

Claims (7)

1. a kind of crank block type piezoelectric generating device using wave energy, including power generation part and existed by ripple part, its feature Include bearing (1) and piezoelectric energy-capturing cylinder (2) in, power generation part, piezoelectric energy-capturing cylinder (2) include cylinder (21), rotary shaft (22) and Runner (23), cylinder (21) is cased with one end of rotary shaft (22), and the other end is fixedly connected with runner (23), cylinder (21), rotation Rotating shaft (22) and runner (23) are arranged concentrically, and cylinder (21) is fixed on bearing (1), are hollow cylinder, rotary shaft (22) can be rotated around the axis of cylinder (21);Included buoy (3) and buoy drive link (4) by ripple part, runner (23) is remote Eccentric shaft (24) is provided with the side of cylinder (21), one end and one end of buoy (3) of buoy drive link (4) are hinged, buoy The other end of drive link (4) is be hinged with eccentric shaft (24);Rotary shaft (22) is located on the surface of the part in piezoelectric energy-capturing cylinder (2) Plectrum (25) is provided with, several plectrums (25) are uniformly arranged along the axial and circumferential of rotary shaft (22) respectively, cylinder (21) Piezoelectric patches (26), the one-to-one setting in position of the corresponding plectrum (25) of the piezoelectric patches (26), rotation are additionally provided with inner surface When axle (22) rotates, the free end of plectrum (25) can stir the free end of piezoelectric patches (26).
2. the crank block type piezoelectric generating device according to claim 1 using wave energy, it is characterised in that the cylinder The rolling bearing (27) being adapted with rotary shaft (22), rotary shaft (22) and rolling are provided with the center of (21) two end faces of body The inner ring of dynamic bearing (27) is fitted close.
3. the crank block type piezoelectric generating device according to claim 1 using wave energy, it is characterised in that the cylinder Body (21) is provided with mesh end cap (28) close to the side of runner (23).
4. the crank block type piezoelectric generating device according to claim 1 using wave energy, it is characterised in that described floating Drift (3) is made of light material.
5. the crank block type piezoelectric generating device according to claim 1 using wave energy, it is characterised in that described floating Drift drive link (4) is hinged by one end of spherical linkage and buoy (3).
6. the crank block type piezoelectric generating device according to claim 1 using wave energy, it is characterised in that described floating It is be hinged by oscillating bearing and eccentric shaft (24) to float drive link (4).
7. the crank block type piezoelectric generating device according to claim 1 using wave energy, it is characterised in that the pressure One layer of piezoelectric film material is comprised at least in electric piece (26).
CN201720904366.0U 2017-07-25 2017-07-25 A kind of crank block type piezoelectric generating device using wave energy Expired - Fee Related CN207010575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720904366.0U CN207010575U (en) 2017-07-25 2017-07-25 A kind of crank block type piezoelectric generating device using wave energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720904366.0U CN207010575U (en) 2017-07-25 2017-07-25 A kind of crank block type piezoelectric generating device using wave energy

Publications (1)

Publication Number Publication Date
CN207010575U true CN207010575U (en) 2018-02-13

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ID=61456025

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720904366.0U Expired - Fee Related CN207010575U (en) 2017-07-25 2017-07-25 A kind of crank block type piezoelectric generating device using wave energy

Country Status (1)

Country Link
CN (1) CN207010575U (en)

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Granted publication date: 20180213

Termination date: 20210725