CN207747984U - A kind of ocean wave energy for generating electricity buoy based on piezoelectric effect - Google Patents

A kind of ocean wave energy for generating electricity buoy based on piezoelectric effect Download PDF

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Publication number
CN207747984U
CN207747984U CN201721871080.3U CN201721871080U CN207747984U CN 207747984 U CN207747984 U CN 207747984U CN 201721871080 U CN201721871080 U CN 201721871080U CN 207747984 U CN207747984 U CN 207747984U
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China
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float
central shaft
wave energy
generating
ocean wave
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Expired - Fee Related
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CN201721871080.3U
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Chinese (zh)
Inventor
梁旭
邓禹
王立忠
曹锃
查兴
卢文彬
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Zhejiang University ZJU
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Zhejiang University ZJU
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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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Abstract

The utility model discloses a kind of ocean wave energy for generating electricity buoy based on piezoelectric effect, is generated electricity using piezoelectric material properties and ocean wave energy, for giving the power supply of multifunctional monitoring buoy.Ocean wave energy for generating electricity buoy based on piezoelectric effect includes piezoelectric generating device and and hydrometeorological multi-parameter observation buoy.Buoy includes upper workbench, float, central shaft and load carrying device.When work, float, load carrying device and central shaft constitute two degrees of freedom resonator system, and relative motion is generated under the excitation of wave, wave energy are converted to electric energy output by the periodic vibration of piezoelectric generating device, to power to each monitoring device.The utility model takes full advantage of ocean wave energy and carries out piezo-electric generating, to stablize lasting energy supply for monitoring device, realize meteorological to marine environment and hydrographic data real-time acquisition, processing, transmission, have the characteristics that increasingly automated, realizes and integrate intelligent, modularization high-performance Multifunctional marine detecting system.

Description

A kind of ocean wave energy for generating electricity buoy based on piezoelectric effect
Technical field
The utility model is related to a kind of piezoelectric type buoys at sea utilizing wave-energy power generation to be energized to monitoring system, are one Kind is to new energy development and the power generator utilized and hydrometeorological multifunctional monitoring buoy.
Background technology
In the present of mankind's science and technology high speed development, the energy resources such as oil and natural gas directly exploited for the mankind day It is gradually deficient, so being the upsurge of the world today to the development and utilization of new energy.Ocean vast area accounts for about earth surface product 71%, there are very big potentiality, and using wave-energy power generation it is then a present emerging technology.
Nowadays most of ocean power generation device is all that the solar power generation utilized and accumulator are used interchangeably to as work Make equipment or monitoring system is powered, it is therefore apparent that above-mentioned existing power-supplying forms do not have continuity, safety and reliable Property.And can wave energy be directly converted into electric energy by the deformation of piezoelectric material using piezoelectric type wave energy generating set, than Solar power generation is more longlasting and stablizes, this provides a kind of very feasible technical solution for the power supply of marine monitoring equipment.
Since marine environment is complicated and changeable, generally all relatively simple, the present marine monitoring of the function of ocean monitoring buoy Buoy, usually all only with the discrete function in the monitoring of the oceanographic datas such as the hydrology, water quality, meteorology, environment.With regard to buoy itself Speech, autgmentability and compatibility seem insufficient, it is difficult to meet many-sided demand of marine monitoring.
Invention content
Utility model aims to solve the defect illustrated in background technology and deficiencies, provide a kind of based on pressure The ocean wave energy for generating electricity buoy of electrical effect, have the advantages that it is small, simple in structure, be easily assembled to and safeguard, and service life Long, energy supply is stablized, and S. E. A. and generating efficiency are high, can be widely used for rivers and lakes and seashore, have stronger market competing Strive advantage.
Technical solutions of the utility model are as follows:
A kind of ocean wave energy for generating electricity buoy based on piezoelectric effect, including upper workbench, float, central shaft and load Refitting is set;
After the central shaft runs through float, upper end is connect with upper workbench, and lower end is connect with load carrying device;Center Shaft lower outside is equipped with water gage, water thermometer, salinometer and current meter;Central shaft is in float cental axial position;Water Deep meter is used for sounding the depth of the water the depth of meter position, water thermometer, salinometer and current meter be respectively used for measuring water temperature, water salt The flow velocity of degree and water, while transferring data to data collector.
Equipped with floating lamp, wind direction and wind velocity sensor, air temperature and air pressure meter and radio on the upper workbench (17) Transmitter;Floating lamp is used for providing warning, and passing ships is avoided to be damaged without knowing it to buoy;Wind direction and wind velocity Sensor is used for measuring wind direction and the wind speed variation in current marine site, and the data of collection are transmitted to data collector;Air temperature and air pressure Meter is used for measuring the temperature and air pressure change in current marine site, and the data of collection are transmitted to data collector;Transmitting set For receiving on the real-time data transmission to ship that is collected into data collector or on the bank center.
The float is internally provided with piezoelectric generating device and several sealed compartments;If the piezoelectric generating device is dry-pressing Electric generator unit, piezo-electric generating unit one end are fixedly connected with central shaft, and the other end is fixedly connected with the floating shell of float, to Float is set to be connect with central shaft;The sealed compartment is arranged symmetrically centered on central shaft, and accumulator is provided in sealed compartment Group, data collector, memory and positioning device;
The piezoelectric generating device and battery component is not adopted with water gage, water thermometer, salinometer, current meter, data Storage, memory, positioning device, floating lamp, wind direction and wind velocity sensor, air temperature and air pressure meter are connected with transmitting set to provide Electric energy, the piezoelectric generating device and the electrical connection of accumulator group, the data collector and water gage, water thermometer, salinity Meter, current meter, wind direction and wind velocity sensor, air temperature and air pressure meter, positioning device, memory are connected with transmitting set to acquire number According to, and collected data are transferred to user.
The load carrying device is sunk to when working under the water surface, float, load carrying device and central shaft three constitute two from By degree resonator system, relative motion is generated under the excitation of ocean wave, to apply pressure to piezo-electric generating unit and then produce Raw electric energy.
Preferably:The upper workbench, float, load carrying device and central shaft are coaxially disposed.Such setting, can Center of gravity to ensure buoy after buoy is launched into water, can be stood in water vertically in central shaft.
Preferably:The piezo-electric generating unit of the piezoelectric generating device shares 8, and 8 piezo-electric generating units are located at same Horizontal plane, and the angle between each piezo-electric generating unit is equal.Such benefit is can to make full use of the energy of wave energy Amount, makes it more uniformly to be effectively converted into electric energy, to improve generating efficiency.
Preferably:The piezo-electric generating unit polarizes along thickness direction.
Preferably:Sealed compartment inside the float has 4.
Preferably:Water gage, water thermometer, salinometer and current meter in the central shaft are set to float and load-carrying dress Between setting
Preferably:The buoy upper is provided with casing;Float lower part is provided with center opening, casing diameter and center Opening diameter is more than the diameter of central shaft, and central shaft runs through float by casing and center opening;The upper work is flat Platform lower part is hollow cavity, and opening is provided with below hollow cavity, and casing top is inserted in by opening in hollow cavity, is located at Cannula tip part in hollow cavity is provided with a limit baffle ring;The outer diameter of limit baffle ring outmost turns is more than opening diameter, opens Mouth diameter is more than sleeve outer, is connect at the top of central shaft and hollow cavity;Top and bottom face limit in hollow cavity The position of baffle ring is provided with gasket;The center opening of float lower part is set as vertebral body, and preventing water, therefrom heart trepanning enters float It is internal.
Preferably:It is equipped with protection copper mesh around the center opening of the float lower part, forms marine organisms inhibition layer, prevents It blocks, influences the relative movement of float and central shaft.
The utility model is attainable to be had the technical effect that:Floating up and down for float is driven by the movement of wave, and is floated The movement of son can lead to the deformation of internal piezoelectric generating device again, to produce electricl energy, and power to sensor, electrical appliance.This Utility model, which converts naturally clean wave energy to, stablizes lasting electric energy, has to the monitoring of maritime meteorology and hydrology-water quality Important meaning.
Description of the drawings
Fig. 1 is the principle schematic diagram of ocean wave energy for generating electricity buoy of the utility model based on piezoelectric effect;
Fig. 2 is the vertical view of the piezoelectric generating device of the utility model;
Fig. 3 is the electricity generating principle figure of the piezo-electric generating unit of float;
Fig. 4 is the sectional view of float.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing:The utility model is a kind of based on piezoelectricity The ocean wave energy for generating electricity buoy of effect, it is to spring up the energy of generation using fluctuating for horizontal plane in ocean and be converted into confession The electric energy that various kinds of sensors, electrical appliance use.
As shown in Figure 1, a kind of ocean wave energy for generating electricity buoy based on piezoelectric effect, including upper workbench 17, float 4, central shaft 18 and load carrying device 15;
After central shaft 18 runs through float 4, upper end is connect with upper workbench 17, and lower end is connect with load carrying device 15;In 18 lower outside of mandrels stem is located at float 4 and load-carrying equipped with water gage 11, water thermometer 12, salinometer 13 and current meter 14 Between device 15;Central shaft 18 is in 4 cental axial position of float;Water gage 11, which is used for sounding the depth of the water, counts the depth of position Degree, water thermometer 12, salinometer 13 and current meter 14 are respectively used for measuring the flow velocity of water temperature, the salinity of water and water, while will count According to being transferred to data collector 8.Upper workbench 17, float 4, load carrying device 15 and central shaft 18 are coaxially disposed.In this way Setting, it is ensured that the center of gravity of buoy in central shaft 18, launch to after in water, can stand in water vertically by buoy.
Equipped with floating lamp 1, wind direction and wind velocity sensor 2, air temperature and air pressure meter 3 and transmitting set on upper workbench 17 5;Floating lamp is used for providing warning, and passing ships is avoided to be damaged without knowing it to buoy;Wind direction and wind velocity senses Device is used for measuring wind direction and the wind speed variation in current marine site, and the data of collection are transmitted to data collector 8;Air temperature and air pressure meter is used To measure the temperature and air pressure change in current marine site, and the data of collection are transmitted to data collector 8;Transmitting set is used for Center will be received on real-time data transmission to ship that data collector 8 is collected into or on the bank.
Float 4 is internally provided with piezoelectric generating device 6 and 4 sealed compartments;As shown in Fig. 2, piezoelectric generating device 6 is 8 pressures Electric generator unit, piezo-electric generating unit can be made out of a piezoelectric material, and piezo-electric generating unit polarizes along thickness direction, piezoelectricity hair Electric unit one end is fixedly connected with central shaft 18, and the other end is fixedly connected with the floating shell of float 4, to make float 4 and center The connection pressure of shaft 18;8 piezo-electric generating units are located at same level, and the angle between each piezo-electric generating unit is homogeneous Deng.Such benefit is can to make full use of the energy of wave energy, makes it more uniformly to be effectively converted into electric energy, to carry High generation efficiency.Sealed compartment is arranged symmetrically centered on central shaft 18, and accumulator group 7, data acquisition are provided in sealed compartment Device 8, memory 9 and positioning device 10;
Piezoelectric generating device 6 and accumulator group 7 respectively with water gage 11, water thermometer 12, salinometer 13, current meter 14, number Emit according to collector 8, memory 9, positioning device 10, floating lamp 1, wind direction and wind velocity sensor 2, air temperature and air pressure meter 3 and radio The connection of device 5 is to provide electric energy, and the piezoelectric generating device 6 and accumulator group 7 are electrically connected, the data collector 8 and water Deep meter 11, water thermometer 12, salinometer 13, current meter 14, wind direction and wind velocity sensor 2, air temperature and air pressure meter 3, positioning device 10, storage Collected data are transferred to user by device 9 and the connection of transmitting set 5 with gathered data.
As shown in Figure 1 and Figure 4,4 top of float is provided with casing, and casing upper diameter is more than casing part diameter;It is described 4 top of float be provided with casing;4 lower part of float is provided with center opening, and casing diameter and center opening diameter are more than center The diameter of shaft 18, central shaft 18 run through float 4 by casing and center opening;17 lower part of upper workbench is Hollow cavity, and opening is provided with below hollow cavity, casing top is inserted in by opening in hollow cavity, and hollow cavity is located at Interior cannula tip part is provided with a limit baffle ring;The outer diameter of limit baffle ring outmost turns is more than opening diameter, and opening diameter is big In sleeve outer, it is connect at the top of central shaft 18 and hollow cavity;Top and bottom face limit baffle ring in hollow cavity Position is provided with gasket 16;The center opening of 4 lower part of float is set as vertebral body, and preventing water, therefrom heart trepanning enters in float Portion;It is connect at the top of central shaft 18 and hollow cavity;It is provided with gasket on upper wall and lower wall in hollow cavity, gasket is used for buffering Impact of the float casing to upper workbench also plays the effect of limitation float up and down motion amplitude;The center of 4 lower part of float Trepanning is set as vertebral body, and preventing water, therefrom heart trepanning enters inside float.Protection is equipped with around the center opening of 4 lower part of float Copper mesh forms marine organisms inhibition layer, prevents from blocking, influence the relative movement of float 4 and central shaft 18.
A kind of working method of ocean wave energy for generating electricity buoy based on piezoelectric effect of the utility model, including following step Suddenly:Buoy is invested in selected marine site, buoy electricity generating principle is as shown in figure 3, wave first drives float 4 to move downward for 1/4 week Phase can move downward, but the other end connects central shaft since piezo-electric generating unit one end and float 4 are fixed with float 4 18, therefore remains stationary state, such piezo-electric generating unit just will produce like the flexural deformation as cantilever beam, due to piezoelectric effect To generate charge variation and accumulate electric energy, at the 1/2nd period of wave, piezo-electric generating unit is restored to normal level State;Since the 1/2nd period of wave, float 4 follows wave to move upwards, and piezo-electric generating unit is then bent downwardly Deformation is to generate charge variation and accumulate electric energy, and after a Periods, piezoelectric element restores to initial water prosposition It sets;Repeatedly, piezoelectric generating device 6 can constantly put aside electric energy, stablize lasting electricity to generate, and then be buoy Power supply, extra electric energy is then stored in accumulator group 7, to cope with emergency situations;Floating lamp 1 is used for providing warning, avoids Passing ships without knowing it damage buoy;Wind direction and wind velocity sensor 2 measures the wind direction and wind in current marine site Speed variation;Air temperature and air pressure meter 3 measures the temperature and air pressure change in current marine site;The depth of 11 measurement sensor position of water gage Degree, water thermometer 12, salinometer 13 and current meter 14 measure the flow velocity of water temperature under the depth, the salinity of water and water respectively, fixed Position device 10 marks the position of the buoy, to recycle and to safeguard;Data collector 8 acquires wind direction, wind speed, temperature, air pressure, water After depth, water temperature, the salinity of water, the flow velocity of water, buoy position data information, data information is on the one hand stored in memory 9 It is interior, on the other hand by transmitting set 5 data information is real-time transmitted on ship or receives center on the bank.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not limited to this Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap Containing being within the protection scope of the utility model.

Claims (8)

1. a kind of ocean wave energy for generating electricity buoy based on piezoelectric effect, it is characterised in that including upper workbench (17), float (4), central shaft (18) and load carrying device (15);
After the central shaft (18) runs through float (4), upper end is connect with upper workbench (17), lower end and load carrying device (15) it connects;Central shaft (18) lower outside is equipped with water gage (11), water thermometer (12), salinometer (13) and current meter (14);Central shaft (18) is in float (4) cental axial position;
Equipped with floating lamp (1), wind direction and wind velocity sensor (2), air temperature and air pressure meter (3) and nothing on the upper workbench (17) Line electricity transmitter (5);
The float (4) is internally provided with piezoelectric generating device (6) and several sealed compartments;The piezoelectric generating device (6) is Several piezo-electric generating units, piezo-electric generating unit one end are fixedly connected with central shaft (18), the floating shell of the other end and float (4) It is fixedly connected, to make float (4) be connect with central shaft (18);The sealed compartment symmetrical cloth centered on central shaft (18) It sets, accumulator group (7), data collector (8), memory (9) and positioning device (10) is provided in sealed compartment;
The piezoelectric generating device (6) and accumulator group (7) respectively with water gage (11), water thermometer (12), salinometer (13), Current meter (14), data collector (8), memory (9), positioning device (10), floating lamp (1), wind direction and wind velocity sensor (2), Air temperature and air pressure meter (3) and transmitting set (5) connection are to provide electric energy, the piezoelectric generating device (6) and accumulator group (7) it is electrically connected, the data collector (8) and water gage (11), water thermometer (12), salinometer (13), current meter (14), wind It is connected to air velocity transducer (2), air temperature and air pressure meter (3), positioning device (10), memory (9) and transmitting set (5) to adopt Collect data, and collected data are transferred to user.
2. the ocean wave energy for generating electricity buoy according to claim 1 based on piezoelectric effect, it is characterised in that:The upper work Make platform (17), float (4), load carrying device (15) and central shaft (18) to be coaxially disposed.
3. the ocean wave energy for generating electricity buoy according to claim 1 based on piezoelectric effect, it is characterised in that:The piezoelectricity The piezo-electric generating unit of power generator (6) shares 8, and 8 piezo-electric generating units are located at same level, and each piezo-electric generating Angle between unit is equal.
4. the ocean wave energy for generating electricity buoy according to claim 1 based on piezoelectric effect, it is characterised in that:The piezoelectricity Generator unit polarizes along thickness direction.
5. the ocean wave energy for generating electricity buoy according to claim 1 based on piezoelectric effect, it is characterised in that:Described is floating Sub (4) internal sealed compartment has 4.
6. the ocean wave energy for generating electricity buoy according to claim 1 based on piezoelectric effect, it is characterised in that:Described is floating Sub (4) top is provided with casing;Float (4) lower part is provided with center opening, and casing diameter and center opening diameter are more than center The diameter of shaft (18), central shaft (18) run through float (4) by casing and center opening;The upper workbench (17) Lower part is hollow cavity, and opening is provided with below hollow cavity, and casing top is inserted in by opening in hollow cavity, is located at sky Cannula tip part in chambers of the heart body is provided with a limit baffle ring;The outer diameter of limit baffle ring outmost turns is more than opening diameter, opening Diameter is more than sleeve outer, is connect at the top of central shaft (18) and hollow cavity;Top and bottom face limit in hollow cavity The position of position baffle ring is provided with gasket (16);The center opening of float (4) lower part is set as vertebral body, prevents water therefrom heart trepanning Into inside float.
7. the ocean wave energy for generating electricity buoy according to claim 6 based on piezoelectric effect, it is characterised in that:The float (4) it is equipped with protection copper mesh around the center opening of lower part, forms marine organisms inhibition layer, prevents from blocking.
8. the ocean wave energy for generating electricity buoy according to claim 6 based on piezoelectric effect, it is characterised in that:The center Water gage (11), water thermometer (12), salinometer (13) and current meter (14) on shaft (18) are set to float (4) and load-carrying dress It sets between (15).
CN201721871080.3U 2017-12-28 2017-12-28 A kind of ocean wave energy for generating electricity buoy based on piezoelectric effect Expired - Fee Related CN207747984U (en)

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CN201721871080.3U CN207747984U (en) 2017-12-28 2017-12-28 A kind of ocean wave energy for generating electricity buoy based on piezoelectric effect

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Application Number Priority Date Filing Date Title
CN201721871080.3U CN207747984U (en) 2017-12-28 2017-12-28 A kind of ocean wave energy for generating electricity buoy based on piezoelectric effect

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108001626A (en) * 2017-12-28 2018-05-08 浙江大学 A kind of wave-energy power generation energy supply buoy and method based on piezoelectric effect
CN112710285A (en) * 2020-12-17 2021-04-27 浙江大学 Deep sea temperature and deep salt measuring instrument with self-energy supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108001626A (en) * 2017-12-28 2018-05-08 浙江大学 A kind of wave-energy power generation energy supply buoy and method based on piezoelectric effect
CN112710285A (en) * 2020-12-17 2021-04-27 浙江大学 Deep sea temperature and deep salt measuring instrument with self-energy supply

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Granted publication date: 20180821

Termination date: 20211228