CN101938230A - Wave vibration piezoelectric power generation and solar energy combined power generating method and system - Google Patents

Wave vibration piezoelectric power generation and solar energy combined power generating method and system Download PDF

Info

Publication number
CN101938230A
CN101938230A CN2010102751628A CN201010275162A CN101938230A CN 101938230 A CN101938230 A CN 101938230A CN 2010102751628 A CN2010102751628 A CN 2010102751628A CN 201010275162 A CN201010275162 A CN 201010275162A CN 101938230 A CN101938230 A CN 101938230A
Authority
CN
China
Prior art keywords
piezoelectric
generating
energy
water
parallel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2010102751628A
Other languages
Chinese (zh)
Other versions
CN101938230B (en
Inventor
边义祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou University
Original Assignee
Yangzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou University filed Critical Yangzhou University
Priority to CN2010102751628A priority Critical patent/CN101938230B/en
Publication of CN101938230A publication Critical patent/CN101938230A/en
Application granted granted Critical
Publication of CN101938230B publication Critical patent/CN101938230B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02E10/50Photovoltaic [PV] energy
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The invention relates to wave vibration piezoelectric power generation and solar energy combined power generating method and system. A solar-cell panel is used for converting solar energy into electric energy, and a piezoelectric element arranged on a cantilever slab is used for adsorbing the vibrating mechanical energy of waves; and when a power generating box is vibrated along with the waves, the cantilever slab is bent and elastically deformed so that the piezoelectric element adhered to the surface of the cantilever slab generates electric energy. The invention can effectively convert the wave vibration mechanical energy and solar energy into the electric energy and provides green power generating system and method. Meanwhile, the piezoelectric element of the invention is arranged in a power generating box shell, can not be impacted or damaged and has reliable work and high stability. In addition, the power generating system of the invention has the advantages of simple structure and low cost; and because solar energy and wave vibration can be obtained anywhere at broad lake or sea, and the bending deformation amount of a piezoelectric material, which is caused by vibrating, is larger, the invention has large power generating amount, wide application range and general applicability.

Description

Wave vibration piezo-electric generating and solar energy combination electricity-generating method and electricity generation system thereof
Technical field
The present invention relates to a kind of electricity-generating method and electricity generation system thereof, particularly, relate to a kind of wave vibration piezo-electric generating and solar energy combination electricity-generating method and electricity generation system thereof.
Background technology
Along with the quickening of science and technology development and modernization, human demand to the energy grows with each passing day, and causes the primary energy consumption straight line to rise, and will be used up in the near future.Therefore, people invest energy depot---the sun and ocean maximum on the earth one after another to sight, and solar energy and marine energy all are clean energy resourcies free from environmental pollution, and all are the renewable energy that gets, and are inexhaustible, nexhaustible.Utilize solar energy and wave power generation to provide electric energy for outlying island and Offshore Units etc., in addition, the power that can also utilize solar energy and wave energy to provide carries out desalinization, carries out air conditioner refrigerating and hydrogen manufacturing etc. from deep-sea extraction low temperature seawater.Day by day ripe along with solar energy and wave-energy power generation technology, it can also the instead of part conventional energy resource, and this all will have important economic society meaning for alleviating energy scarcity, greenhouse effect and the environmental pollution etc. that the world faced.
Wherein, the key technology of wave-energy power generation is the effective absorption of device to wave energy, and research at present at most, the most promising three kinds of devices are: oscillating water column wave power device, swinging type wave energy device, poly-ripple reservoir wave power device.The oscillating water column wave power device utilizes compressed air stream to drive generator for electricity generation with the medium of air as conversion.The advantage of this device be rotating mechanism not with contact with sea water, avoided the corrosion of seawater to device, shortcoming is that the secondary conversion efficiency is low, generating is unstable.
The swinging type wave energy device is the front and back that take place under the effect of wave force by pendulum mass or swings up and down, and wave energy is converted to the kinetic energy of balance staff, drives generator for electricity generation.The advantage of this device is the conversion efficiency height, can combine with phase control technology easily, makes wave power device can absorb device and meets wave width wave energy in addition, and its shortcoming is a comparatively difficulty of maintenance of machine.
The key technology of poly-ripple reservoir wave power device is a flaring poly-ripple device and the wedge shape guide groove that narrows down gradually, utilizes head fall between reservoir and off-lying sea to drive the hydraulic generator unit and generates electricity.The advantage of poly-ripple reservoir wave power device is that the conversion of wave energy need not to be provided with movable part, and good reliability and stable, weak point are that this power station of construction is strict to landform, are difficult for promoting.
In addition, piezoelectric generating device is to utilize piezoelectric, converts the vibration mechanical energy of surrounding environment to electric energy, and it is a kind of novel generation technology.It is the piezo-electric generating system of energy source and power with the wave that Chinese patent CN1696499A has proposed, and piezoelectric element is fixed in housing, and collision mechanism makes piezoelectric element produce distortion as running oscillator (initiatively) during fluctuation, thereby produces pulse electric energy.This piezo-electric generating system energy output is less, after the long-term collision of piezoelectric element, damages easily.
Therefore, need a kind ofly can effectively utilize the method and system that wave energy and solar energy generate electricity.
Summary of the invention
The purpose of this invention is to provide a kind of wave vibration piezo-electric generating and solar energy combination electricity-generating method and electricity generation system thereof, to overcome or to alleviate the above-mentioned defective of prior art, convert the vibrational energy and the solar energy of wave to electric energy effectively, thereby can be stored and utilize.
Above-mentioned purpose is achieved through the following technical solutions: wave vibration piezo-electric generating and solar energy combination electricity-generating method, comprise the steps: that (1) is arranged on solar panel on the water surface, so that this solar panel receives solar energy and utilize solar energy to form direct current energy; (2) at least one cantilever slab that is pasted with a plurality of piezoelectric elements on the apparent surface is sealed in the casing, and be suspended in described casing on the water surface or in the water, vibration by wave makes the described cantilever slab strain that bends, pass through piezoelectric effect, make a plurality of described piezoelectric element that sticks on the described cantilever slab apparent surface produce AC energy, and convert AC energy to direct current energy; (3) direct current energy that forms in above-mentioned steps (1) and (2) being transported to energy storage device stores.
Preferably, described wave vibration piezo-electric generating and solar energy combination electricity-generating method comprise the steps: that also the direct current energy that will store in the described energy storage device directly supplies to direct current and converts to supply to after the AC energy with electric loading or by inverter and exchange with electric loading or import electrical network.
Preferably, in above-mentioned steps (2), the AC energy that described a plurality of piezoelectric elements produce converts direct current energy in the following way to: at first, and with whole piezoelectric element groupings, and make the piezoelectric element in each group piezoelectric element connect mutually, thereby form a plurality of serial module structures; Secondly, with a plurality of serial module structure groupings, and the rectifier of connecting again after making the interior serial module structure of each group serial module structure parallel with one another, thereby form a plurality of series circuits, each series circuit is in parallel with one first diode, to form a plurality of modules in parallel; Once more, with a plurality of modules in parallel groupings, and each is organized connect with one second diode again after module in parallel in the module in parallel is connected mutually, thereby form a plurality of branch circuits; At last, after described a plurality of branch circuit parallel connections, and then in parallel, and described energy storage device is charged by charge controller with the circuit of described solar panel.
In addition, the present invention also provides a kind of wave vibration piezo-electric generating and solar energy combined generating system, it is provided with the casing that generates electricity in a plurality of water, a plurality of water surface generating casings and workbench, between the described water surface generating casing, generate electricity between the casing in the water, and generate electricity in water surface generating casing and the water and be connected by cable between the casing, and each water surface generating casing, the generating casing also is connected with described workbench by cable in the water, wherein, the generating casing is provided with the power generation box body case of sealing in each described water, be provided with support in this power generation box shell, at least one weight block and a plurality of cantilever slab, one end of each cantilever slab is fixed on the described support, and the other end rides on the described weight block; Described weight block is connected in described power generation box body case by elastomeric material; Be bonded with a plurality of piezoelectric elements on the apparent surface of each described cantilever slab, these a plurality of piezoelectric elements are connected in the change-over circuit that is used for the AC energy that described piezoelectric element produces is converted to direct current energy; Each described water surface generating casing is identical with the structure of generating casing in the described water, and also is provided with solar panel at the upper surface of each described water surface generating casing; Described workbench is provided with workbench shell, charge controller and energy storage device, and described change-over circuit and solar panel are connected in described charge controller, and this charge controller is connected in described energy storage device.
Preferably, described elastomeric material is elastic threads or spring, and the length of this elastic threads or spring distance between described weight block and this power generation box body case when remaining static greater than described power generation box body case.
Preferably, described support is parallel to or perpendicular to the bottom of described power generation box body case, described weight block and described support be arranged in parallel.
Preferably, a plurality of parallel described suspended wall plates are formed row, the shared described weight block of the described cantilever slab of at least one row.
Preferably, each described piezoelectric element is provided with first electrode, piezoelectric and second electrode (0403), described piezoelectric is one or more the composition in piezoelectric monocrystal, piezoelectric ceramic, piezopolymer, the piezo-electricity composite material, described energy storage device is storage battery, electric capacity or superconducting magnetic energy storage, and this energy storage device also is connected with inverter.
Preferably, the cantilever slab in each described water surface generating casing, the water in the generating casing and the size of weight block are inequality, and each piezoelectric element that sticks in the piezoelectric element row on the described cantilever slab is measure-alike, and each piezoelectric element size that sticks in the piezoelectric element capable (109) on the described cantilever slab is inequality.
Preferably, described change-over circuit syndeton is: whole described piezoelectric elements groupings, and the piezoelectric element in each group piezoelectric element connects mutually, thus form a plurality of serial module structures; These a plurality of serial module structure groupings, and the rectifier of connecting again after making the interior serial module structure of each group serial module structure parallel with one another, thus a plurality of series circuits formed; Each series circuit is in parallel with one first diode, thereby forms a plurality of modules in parallel; These a plurality of modules in parallel groupings, and each is organized connect with one second diode again after module in parallel in the module in parallel is connected mutually, thereby a plurality of branch circuits formed; After these a plurality of branch circuit parallel connections, so be connected in described charge controller after the circuit of described solar panel is in parallel.
Wave of the present invention vibrates piezo-electric generating and solar energy combination electricity-generating method and electricity-generating method can effectively utilize solar energy and the wave vibration mechanical energy generates electricity, thereby has realized a kind of green electricity generation system and electricity-generating method of environment-friendly type.Simultaneously, the piezoelectric element of electricity generation system of the present invention is arranged on the inside of generating casing, can not clashed into or damage functional reliability, excellent stability.In addition, power generation system structure of the present invention is simple, with low cost, because on wide lake surface or sea, solar energy and wave vibration are available anywhere, and vibration causes the bending deformation quantity of piezoelectric bigger, and this makes, and Blast Furnace Top Gas Recovery Turbine Unit (TRT) energy output of the present invention is big, applied range, has general applicability.
Description of drawings
Fig. 1 looks schematic diagram for the master of the electricity generation system of the specific embodiment of the invention;
Fig. 2 is the schematic top plan view of the electricity generation system of the specific embodiment of the invention;
Fig. 3 is the profile schematic diagram of the water surface generating casing of the specific embodiment of the invention;
Fig. 4 is the main pseudosection of the water surface generating casing of a kind of embodiment of the present invention;
Fig. 5 is the top plan view of the water surface shown in Figure 4 generating casing;
Fig. 6 is the main pseudosection of the generating casing that is in water of a kind of embodiment of the present invention;
Fig. 7 is the structural representation of the piezoelectric element of the specific embodiment of the invention;
Fig. 8 is the principle schematic of the change-over circuit of the specific embodiment of the invention;
Fig. 9 is the structural representation of the workbench of the specific embodiment of the invention;
Figure 10 is the main pseudosection of the water surface generating casing of the another kind of embodiment of the present invention.
Among the figure: 1 water surface generating casing, 2 cables, 3 cables, 4 workbenches, casing generates electricity in 5 water, 101 solar panels, 102 power generation box body case, 103 supports, 104 piezoelectric elements, 105 cantilever slabs, 106 weight blocks, 107 elastic threads or spring, 108 change-over circuits, 109 piezoelectric elements are capable, 110 piezoelectric elements row, 111 water surface power generation box body case, 112 solar panels, 113 supports, 114 piezoelectric elements, 115 cantilever slabs, 116 weight blocks, 117 elastic threads or spring, 118 change-over circuits, 401 charge controllers, 402 workbench shells, 403 energy storage devices, 404 inverters, 10,401 first electrodes, 10402 piezoelectrics, 10,403 second electrodes, 10801 serial module structures, 10,802 first diodes, 10803 rectifiers, 10,804 second diodes, 10805 modules in parallel, 10806 branch circuits, 10807 change-over circuits
Embodiment
The present invention is described in further detail below in conjunction with example example and accompanying drawing, but embodiments of the present invention are not limited thereto.For the ease of understanding the present invention, below at first wave vibration piezo-electric generating of the present invention and solar energy combined generating system are described by embodiment, on this basis, illustrate that again wave vibration piezo-electric generating of the present invention and solar energy make up electricity-generating method.
Embodiment 1
Fig. 1 to Fig. 2 shows the primary structure of the electricity generation system of present embodiment, and this wave vibration piezo-electric generating and solar energy combined generating system comprise as if generating casing 5 and workbench 4 in a plurality of water surface generating casings 1, a plurality of water; Wherein the water surface generates electricity and uses cable 2 connections between the casing 1, in the water between the generating casing 5 and in water surface generating casing 1 and the water between the generating casing 5; Generating casing 5 is connected with workbench 4 by cable 3 in each water surface generating casing 1, the water.
Fig. 3 has described the structure of water surface generating casing 1, and the upper surface of power generation box body case 102 has covered solar panel 101, and solar panel 101 can become direct current energy to the solar energy converting that shines.
Fig. 4 to Fig. 5 has described the internal structure of the water surface generating casing 1 of present embodiment, a plurality of cantilever slabs that be arranged in parallel 105 are formed row, the apparent surface of each cantilever slab 105 (being upper and lower surface among Fig. 4) is pasted with a plurality of piezoelectric elements 104, one end of cantilever slab is fixed on the support 103, the other end rides on the weight block 106, the shared weight block 106 of at least one row cantilever slab, although show the shared weight block 106 of two row cantilever slabs among Fig. 4, but what those skilled in the art obviously can expect is, right row cantilever slab also can be provided with a weight block separately in Fig. 4, and not with the shared weight block of left column cantilever slab, these simple variant all belong to protection scope of the present invention; It is inner and perpendicular to the bottom of this power generation box body case 102 that support 103 is installed in power generation box body case 102; The two ends of weight block 106 can be connected on the power generation box body case 102 by elastomeric material (for example elastic threads or spring 107), distance when the length of this elastomeric material (for example elastic threads or spring 107) remains static greater than described generating casing between weight block and the power generation box body case, like this when the amplitude of power generation box body case is excessive, the amplitude that can suppress weight block 106 is avoided the damage of piezoelectric element; Change-over circuit 108 is installed in enclosure; When water surface generating casing is kept afloat, vibration along with wave, generating casing 1 also takes place up and down or side-to-side vibrations, under the acting in conjunction of own wt and weight block 106, the elasticity of flexure distortion of alternation takes place in cantilever slab 105, the piezoelectric element 104 that sticks on the cantilever slab upper and lower surface also produces the stretching and the compression of alternation, because piezoelectric effect, piezoelectric element will produce the electric energy of alternation, by change-over circuit 108, the electric energy that all piezoelectric elements produce in the whole generating casing compiles and converts direct current energy to; When cantilever slab vibrated, the strain facies on the cantilever slab surface at distance bracket same distance place so the strain of a piezoelectric element 110 is measure-alike, and can produce identical electric weight together; The strain on the cantilever slab surface at distance bracket 103 different distance places is also inequality, by correspondingly changing the size of a piezoelectric element among the piezoelectric element row 109, can make each piezoelectric element produce identical electric weight; The flexural resonance frequency of cantilever slab is mainly determined jointly by the material and the physical dimension of cantilever slab, when the vibration frequency of wave during near the flexural resonance frequency of cantilever slab, the elasticity of flexure distortion of cantilever slab reaches maximum, and the electric weight that piezoelectric element produces also can reach maximum; In actual applications, can correspondingly make the size difference of cantilever slab in each generating casing, the flexural resonance frequency of the cantilever slab 105 in so different casing is also inequality, thereby can be so that electricity generation system can effectively absorb the wave vibration mechanical energy of a plurality of frequencies, be implemented in generating effectively in the wave vibration frequency range of broad.
Fig. 6 has described the internal structure of generating casing 5 in the water of present embodiment, and generating casing 5 is not except being provided with solar panel in this water, and its internal structure is identical with the internal structure of water surface generating casing 1.
Fig. 7 has described the structure of piezoelectric element, and piezoelectric element comprises piezoelectric 10402, first electrode 10401 and second electrode 10403.First electrode 10401 wherein and second electrode 10403 are coated in the upper and lower surface of piezoelectric 10402 respectively, piezoelectric (10402) is positioned at the centre of two electrodes, similar sandwich structure, it can be one or more the composition in piezoelectric monocrystal, piezoelectric ceramic, piezopolymer, the piezo-electricity composite material; The polarised direction of piezoelectric is parallel to thickness direction.Because direct piezoelectric effect when piezoelectric element is subjected to ess-strain, will produce electric charge and voltage on electrode.
In addition, need to prove that the AC energy that produces in the generating casing 102 can convert direct current energy to by various known change-over circuits, this knows for those skilled in the art.But preferably, the present invention adopts change-over circuit shown in Figure 8.As shown in Figure 8, a plurality of piezoelectric elements 104 series connection in the generating casing form serial module structure 10801; After a plurality of serial module structure 10801 parallel connections, the rectifier 10803 of connecting, thus form series circuit, this series circuit and then one first diode 10802 in parallel again, thus form module 10805 in parallel; After a plurality of module in parallel 10805 series connection, with 10804 series connection of one second diode, form branch circuit 10806 again; After a plurality of branch circuit 10806 parallel connections, form the change-over circuit 10807 of whole piezo-electric generating casing; By this change-over circuit, system can convert the vibration mechanical energy of wave to direct current energy.
Fig. 9 has described the structure of workbench, and workbench can comprise workbench shell 402, charge controller 401, energy storage device 403 and inverter 404.As mentioned above, the AC energy that piezoelectric element produces converts direct current energy to through change-over circuit, direct current energy with the solar cell generation, by 403 chargings of 401 pairs of energy storage devices of charge controller, voltage, the electric current of charge controller control charging, and prevent that energy storage device is to piezoelectric element and solar panel reverse charging; Described energy storage device 403 can be storage battery, electric capacity or superconducting magnetic energy storage etc., and energy storage device can also can pass through inverter 404 directly to the DC load power supply, and direct current is converted to alternating current, to the AC load power supply, or the input electrical network.
In addition, be apparently for those skilled in the art, the shell of generating casing 5 and workbench 4 require sealing in above-mentioned water surface generating casing 1 and the water, and piezoelectric element surface, electrical connector partly need pass through insulation processing.
Embodiment 2
Figure 10 has shown the another kind of embodiment of the water surface of the present invention generating casing, and (the generate electricity structure of casing of generating casing and the water surface is identical in the water, but the upper surface of generating casing is not provided with solar panel in the water), the structure of the water surface generating casing of this embodiment 2 and the structure of embodiment 1 are basic identical, but, in the embodiment shown in fig. 10, support 113 is parallel to power generation box body case 111 bottoms, and correspondingly, weight block 116 is parallel to support 113 and is arranged on cantilever slab 115 tops; When the vibration of generating casing occurred level, cantilever slab 115 vibration that bends, thus make the piezoelectric element generation electric energy that sticks on the cantilever slab surface.The water surface generating casing (and the casing that generates electricity in the water) of this embodiment is mainly used in the horizontal vibration machinery energy that absorbs wave.
Below describe wave vibration piezo-electric generating of the present invention and solar energy combination electricity-generating method, this electricity-generating method comprises the steps:
(1) solar panel is arranged on the water surface, so that this solar panel receives solar energy and utilize solar energy to form direct current energy;
(2) at least one cantilever slab that the apparent surface is pasted with a plurality of piezoelectric elements is sealed in the casing, and be suspended in described casing on the water surface or in the water, vibration by wave makes the cantilever slab strain that bends, pass through piezoelectric effect, make a plurality of piezoelectric elements that stick on described cantilever slab apparent surface produce AC energy, and convert AC energy to direct current energy;
(3) direct current energy that forms in above-mentioned steps (1) and (2) being transported to energy storage device stores.
Preferably, the direct current energy that in above-mentioned electricity-generating method also comprises the steps: described energy storage device, stores directly supply to supply to after direct current converts AC energy to electric loading or by inverter interchange with electric loading or the input electrical network.
In addition, in above-mentioned steps (2), the kind AC energy of giving birth to of a plurality of piezoelectric elements can convert direct current energy to by multiple known mode, but preferably, the AC energy that these a plurality of piezoelectric elements produce converts direct current energy in the following way to: at first, with described a plurality of piezoelectric element groupings, and make the piezoelectric element in each group piezoelectric element connect mutually, thereby form a plurality of serial module structures; Secondly, with a plurality of serial module structure groupings, and the rectifier of connecting again after making the interior serial module structure of each group serial module structure parallel with one another, thereby form a plurality of series circuits, each series circuit is in parallel with one first diode, to form a plurality of modules in parallel; Once more, with a plurality of modules in parallel groupings, and each is organized connect with one second diode again after module in parallel in the module in parallel is connected mutually, thereby form a plurality of branch circuits; At last, after a plurality of branch circuit parallel connections, and then in parallel, and energy storage device is charged by charge controller with the circuit of described solar cell.
By above description as can be seen, wave of the present invention vibrates piezo-electric generating and solar energy combination electricity-generating method and electricity-generating method can effectively utilize solar energy and the wave vibration mechanical energy generates electricity, thereby has realized a kind of electricity generation system and electricity-generating method of environment-friendly type.Simultaneously, the piezoelectric element of electricity generation system of the present invention be arranged on the generating casing inside, can not clashed into or be damaged, functional reliability with stablize fabulous.In addition, power generation system structure of the present invention is simple, and is with low cost, because on wide lake surface or sea, solar energy and wave vibration are available anywhere, and vibration causes the bending deformation quantity of piezoelectric bigger, Blast Furnace Top Gas Recovery Turbine Unit (TRT) energy output of the present invention is big, applied range, has general applicability.
Each concrete technical characterictic described in above-mentioned embodiment can carry out combination in any by any suitable manner, and it falls within the scope disclosed in this invention equally.In addition, also can carry out combination in any between the various execution mode of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Below describe preferred implementation of the present invention in conjunction with the accompanying drawings in detail; but; the present invention is not limited to the detail in the above-mentioned execution mode; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.Protection scope of the present invention is defined by the claims.

Claims (10)

1. wave vibration piezo-electric generating and solar energy combination electricity-generating method is characterized in that, comprise the steps:
(1) solar panel (101,112) is arranged on the water surface, so that this solar panel (101,112) receives solar energy and utilize solar energy to form direct current energy;
(2) at least one cantilever slab (105) that is pasted with a plurality of piezoelectric elements (104) on the apparent surface is sealed in the casing, and be suspended in described casing on the water surface or in the water, vibration by wave makes described cantilever slab (105) strain that bends, pass through piezoelectric effect, make a plurality of described piezoelectric element (104) that sticks on the described cantilever slab apparent surface produce AC energy, and convert AC energy to direct current energy;
(3) direct current energy that forms in above-mentioned steps (1) and (2) being transported to energy storage device (403) stores.
2. wave vibration piezo-electric generating and the solar energy according to claim 1 makes up electricity-generating method, it is characterized in that, comprise the steps: that also the direct current energy that stores in will described energy storage device (403) directly supplies to direct current and converts to electric loading or by inverter (403) and supply to interchange after the AC energy with electric loading or import electrical network.
3. wave vibration piezo-electric generating and the solar energy according to claim 1 makes up electricity-generating method, it is characterized in that, in described step (2), the AC energy that described a plurality of piezoelectric element (104) produces converts direct current energy in the following way to: at first, whole piezoelectric elements (104) are divided into groups, and make the piezoelectric element in each group piezoelectric element connect mutually, thereby form a plurality of serial module structures (10801); Secondly, a plurality of serial module structures (10801) are divided into groups, and the rectifier (10803) of connecting again after making the interior serial module structure of each group serial module structure parallel with one another, thereby form a plurality of series circuits, each series circuit is in parallel with one first diode (10802), to form a plurality of modules in parallel (10805); Once more, with a plurality of modules in parallel (10805) groupings, and each is organized connect with one second diode (10804) again after module in parallel in the module in parallel is connected mutually, thereby form a plurality of branch circuits (10806); At last, after described a plurality of branch circuits (10806) parallel connection, and then with the circuit parallel connection of described solar panel (101,112), and described energy storage device (403) is charged by charge controller (401).
4. a wave vibrates piezo-electric generating and solar energy combined generating system, it is characterized in that, be provided with the casing (5) that generates electricity in a plurality of water, a plurality of water surface generating casings (1) and workbench (4), between the described water surface generating casing (1), generate electricity in the water between the casing (5), and generate electricity in water surface generating casing (1) and the water and be connected by cable (2) between the casing (5), and each water surface generating casing (1), the casing (5) that generates electricity in the water also is connected with described workbench (4) by cable (3), wherein
The casing (5) that generates electricity in each described water is provided with the power generation box body case (102) of sealing, be provided with support (103), at least one weight block (106) and a plurality of cantilever slab (105) in this power generation box shell (102), one end of each cantilever slab is fixed on the described support (103), and the other end rides on the described weight block (106); Described weight block (106) is connected in described power generation box body case (102) by elastomeric material; Be bonded with a plurality of piezoelectric elements (104) on the apparent surface of each described cantilever slab (105), these a plurality of piezoelectric elements (104) are connected in the change-over circuit (108) that is used for the AC energy that described piezoelectric element produces is converted to direct current energy;
The structure of casing (5) of generating electricity in each described water surface generating casing (1) and the described water is identical, and also is provided with solar panel (101) at the generate electricity upper surface of casing (1) of each described water surface;
Described workbench (4) is provided with workbench shell (402), charge controller (401) and energy storage device (403), described change-over circuit (108) and solar panel (101) are connected in described charge controller (401), and this charge controller (401) is connected in described energy storage device (403).
5. wave vibration piezo-electric generating according to claim 4 and solar energy combined generating system, it is characterized in that, described elastomeric material is elastic threads or spring (107), and the length of this elastic threads or spring (107) is greater than described power generation box body case (102) distance between described weight block and this power generation box body case (102) when remaining static.
6. wave vibration piezo-electric generating according to claim 4 and solar energy combined generating system, it is characterized in that, described support (3) is parallel to or perpendicular to the bottom of described power generation box body case (102), described weight block (106) be arranged in parallel with described support (103).
7. wave vibration piezo-electric generating according to claim 4 and solar energy combined generating system is characterized in that a plurality of parallel described suspended wall plates (105) are formed row, the shared described weight block of the described cantilever slab of at least one row (106).
8. wave vibration piezo-electric generating according to claim 4 and solar energy combined generating system, it is characterized in that, each described piezoelectric element (104) is provided with first electrode (10401), piezoelectric (10402) and second electrode (0403), described piezoelectric (10402) is one or more the composition in piezoelectric monocrystal, piezoelectric ceramic, piezopolymer, the piezo-electricity composite material, described energy storage device (403) is storage battery, electric capacity or superconducting magnetic energy storage, and this energy storage device (403) also is connected with inverter (404).
9. wave vibration piezo-electric generating according to claim 4 and solar energy combined generating system, it is characterized in that, the cantilever slab (105) that the casing (5) that generates electricity in each described water surface generating casing (1), the water is interior and the size of weight block (106) are inequality, and each piezoelectric element that sticks in the piezoelectric element row (110) on the described cantilever slab (105) is measure-alike, and each piezoelectric element size that sticks in the piezoelectric element capable (109) on the described cantilever slab (105) is inequality.
10. wave vibration piezo-electric generating according to claim 4 and solar energy combined generating system, it is characterized in that, described change-over circuit (108) syndeton is: whole described piezoelectric elements (104) grouping, and the piezoelectric element in each group piezoelectric element is connected mutually, thereby forms a plurality of serial module structures (10801); This a plurality of serial module structures (10801) grouping, and the rectifier (10803) of connecting again after making the interior serial module structure of each group serial module structure parallel with one another, thus a plurality of series circuits formed; Each series circuit is in parallel with one first diode (10802), thereby forms a plurality of modules in parallel (10805); The grouping of this a plurality of modules in parallel (10805), and each is organized connect with one second diode (10804) again after module in parallel in the module in parallel is connected mutually, thereby a plurality of branch circuits (10806) formed; After this a plurality of branch circuits (10806) parallel connection, so be connected in described charge controller (401) after the circuit of described solar panel (101) is in parallel.
CN2010102751628A 2010-09-06 2010-09-06 Wave vibration piezoelectric power generation and solar energy combined power generating method and system Expired - Fee Related CN101938230B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010102751628A CN101938230B (en) 2010-09-06 2010-09-06 Wave vibration piezoelectric power generation and solar energy combined power generating method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010102751628A CN101938230B (en) 2010-09-06 2010-09-06 Wave vibration piezoelectric power generation and solar energy combined power generating method and system

Publications (2)

Publication Number Publication Date
CN101938230A true CN101938230A (en) 2011-01-05
CN101938230B CN101938230B (en) 2012-09-26

Family

ID=43391401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010102751628A Expired - Fee Related CN101938230B (en) 2010-09-06 2010-09-06 Wave vibration piezoelectric power generation and solar energy combined power generating method and system

Country Status (1)

Country Link
CN (1) CN101938230B (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820807A (en) * 2012-09-01 2012-12-12 浙江师范大学 High-power rotary type piezoelectric wind driven generator excited and limited by end cam
CN102969937A (en) * 2012-11-20 2013-03-13 杨东川 Sea pressure power generation device
CN103199675A (en) * 2013-03-12 2013-07-10 张平 Curtain type wind power and vibration power generator
CN103248266A (en) * 2013-05-07 2013-08-14 天津大学 Combined-type vibrational energy acquisition system
CN103986406A (en) * 2013-02-07 2014-08-13 汉能新材料科技有限公司 Overwater photovoltaic assembly bearing unit square matrix and power generation system using overwater photovoltaic assembly bearing unit square matrix
CN104104260A (en) * 2013-04-12 2014-10-15 纳米新能源(唐山)有限责任公司 Power generation system
CN104104261A (en) * 2013-04-12 2014-10-15 纳米新能源(唐山)有限责任公司 Power generation system
WO2014166293A1 (en) * 2013-04-12 2014-10-16 纳米新能源(唐山)有限责任公司 Power generation system using nanometer friction generator
CN104113270A (en) * 2013-04-22 2014-10-22 纳米新能源(唐山)有限责任公司 Wind power generation and solar power generation combining system adopting nanometer friction generators
CN104113268A (en) * 2013-04-22 2014-10-22 纳米新能源(唐山)有限责任公司 Ocean power generation and solar power generation combining system adopting nanometer friction generator
CN105099255A (en) * 2014-04-29 2015-11-25 北京纳米能源与系统研究所 Power generation system suitable for fluctuation liquid
CN105141245A (en) * 2015-09-02 2015-12-09 长江勘测规划设计研究有限责任公司 Offshore chinampa type photovoltaic power generation system
CN106640505A (en) * 2017-01-03 2017-05-10 江苏理工学院 Wave power generation system based on tubular type permanent-magnet linear generator
CN108880408A (en) * 2018-06-26 2018-11-23 九州职业技术学院 Ocean power station and method of construction
CN109469577A (en) * 2017-10-25 2019-03-15 北京纳米能源与系统研究所 A kind of wave energy generating set
CN110030160A (en) * 2019-03-15 2019-07-19 江苏理工学院 Composite marine electricity generation system based on hydrogen as energy source storage
CN111114698A (en) * 2019-12-13 2020-05-08 浙江大学 Multifunctional buoy for combined power generation of solar energy, wave energy and vortex-induced vibration energy

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08127389A (en) * 1994-10-31 1996-05-21 Mitsubishi Heavy Ind Ltd Float type oceanic structure with forced wave force reducing type wave generating set
WO1996025769A1 (en) * 1995-02-14 1996-08-22 Ocean Power Technologies, Inc. Piezoelectric generator using wave motion of water
CN1696499A (en) * 2004-11-05 2005-11-16 谭晛 Fluctuation, wave power generator
WO2009118594A2 (en) * 2008-03-25 2009-10-01 Single Buoy Moorings, Inc. Minimal wave power generator
CN101783615A (en) * 2009-10-26 2010-07-21 杭州电子科技大学 Marine instrument and meter power supply device based on sea wave energy capture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08127389A (en) * 1994-10-31 1996-05-21 Mitsubishi Heavy Ind Ltd Float type oceanic structure with forced wave force reducing type wave generating set
WO1996025769A1 (en) * 1995-02-14 1996-08-22 Ocean Power Technologies, Inc. Piezoelectric generator using wave motion of water
CN1696499A (en) * 2004-11-05 2005-11-16 谭晛 Fluctuation, wave power generator
WO2009118594A2 (en) * 2008-03-25 2009-10-01 Single Buoy Moorings, Inc. Minimal wave power generator
CN101783615A (en) * 2009-10-26 2010-07-21 杭州电子科技大学 Marine instrument and meter power supply device based on sea wave energy capture

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820807B (en) * 2012-09-01 2015-04-01 浙江师范大学 High-power rotary type piezoelectric wind driven generator excited and limited by end cam
CN102820807A (en) * 2012-09-01 2012-12-12 浙江师范大学 High-power rotary type piezoelectric wind driven generator excited and limited by end cam
CN102969937A (en) * 2012-11-20 2013-03-13 杨东川 Sea pressure power generation device
CN103986406A (en) * 2013-02-07 2014-08-13 汉能新材料科技有限公司 Overwater photovoltaic assembly bearing unit square matrix and power generation system using overwater photovoltaic assembly bearing unit square matrix
CN103986406B (en) * 2013-02-07 2016-12-28 汉能新材料科技有限公司 A kind of electricity generation system comprising photovoltaic module load bearing unit square formation waterborne
CN103199675A (en) * 2013-03-12 2013-07-10 张平 Curtain type wind power and vibration power generator
CN104104260A (en) * 2013-04-12 2014-10-15 纳米新能源(唐山)有限责任公司 Power generation system
CN104104261A (en) * 2013-04-12 2014-10-15 纳米新能源(唐山)有限责任公司 Power generation system
WO2014166293A1 (en) * 2013-04-12 2014-10-16 纳米新能源(唐山)有限责任公司 Power generation system using nanometer friction generator
CN104104260B (en) * 2013-04-12 2016-10-12 纳米新能源(唐山)有限责任公司 Electricity generation system
CN104104261B (en) * 2013-04-12 2016-08-10 纳米新能源(唐山)有限责任公司 Electricity generation system
CN104113268A (en) * 2013-04-22 2014-10-22 纳米新能源(唐山)有限责任公司 Ocean power generation and solar power generation combining system adopting nanometer friction generator
CN104113270A (en) * 2013-04-22 2014-10-22 纳米新能源(唐山)有限责任公司 Wind power generation and solar power generation combining system adopting nanometer friction generators
CN104113268B (en) * 2013-04-22 2017-02-01 纳米新能源(唐山)有限责任公司 Ocean power generation and solar power generation combining system adopting nanometer friction generator
CN103248266A (en) * 2013-05-07 2013-08-14 天津大学 Combined-type vibrational energy acquisition system
CN105099255A (en) * 2014-04-29 2015-11-25 北京纳米能源与系统研究所 Power generation system suitable for fluctuation liquid
CN105099255B (en) * 2014-04-29 2017-12-29 北京纳米能源与系统研究所 A kind of electricity generation system suitable for wavy liquid
CN105141245A (en) * 2015-09-02 2015-12-09 长江勘测规划设计研究有限责任公司 Offshore chinampa type photovoltaic power generation system
CN105141245B (en) * 2015-09-02 2017-05-10 长江勘测规划设计研究有限责任公司 Offshore chinampa type photovoltaic power generation system
CN106640505A (en) * 2017-01-03 2017-05-10 江苏理工学院 Wave power generation system based on tubular type permanent-magnet linear generator
CN109469577A (en) * 2017-10-25 2019-03-15 北京纳米能源与系统研究所 A kind of wave energy generating set
WO2019080779A1 (en) * 2017-10-25 2019-05-02 北京纳米能源与系统研究所 Wave energy generator
CN108880408A (en) * 2018-06-26 2018-11-23 九州职业技术学院 Ocean power station and method of construction
CN108880408B (en) * 2018-06-26 2019-12-17 九州职业技术学院 Ocean power station and construction method
CN110030160A (en) * 2019-03-15 2019-07-19 江苏理工学院 Composite marine electricity generation system based on hydrogen as energy source storage
CN111114698A (en) * 2019-12-13 2020-05-08 浙江大学 Multifunctional buoy for combined power generation of solar energy, wave energy and vortex-induced vibration energy

Also Published As

Publication number Publication date
CN101938230B (en) 2012-09-26

Similar Documents

Publication Publication Date Title
CN101938230B (en) Wave vibration piezoelectric power generation and solar energy combined power generating method and system
CN102185521B (en) Device for generating electricity by using sea waves
CN105156260B (en) Swing type hydrofoil end exciting Wave energy converting device
CN104879269A (en) Floating piezoelectric ocean wave power generation assembly
CN203135752U (en) Wave piezoelectric power-generating device
CN102647112B (en) Rotary piezoelectric power generator
CN101814859A (en) Wave power piezoelectric generating device
CN201794706U (en) Piezoelectric wave power generation system
WO2011050294A2 (en) Device and system for harvesting energy
CN103195640A (en) Array wave power generating device
CN101728974B (en) Multilayer beam type piezoelectric generator and power generation method thereof
CN102170246B (en) Vibrating type miniature wind driven generator with flexible beam structure
CN103199739A (en) Sea wave and wind power generation device
CN206290361U (en) A kind of ocean wave energy piezoelectric generating device
CN201781430U (en) Aboard piezoelectric generating device
CN103532336A (en) Matrix type tumbler power generation device
CN109139339A (en) Wave energy generating set and electricity-generating method
CN103199675A (en) Curtain type wind power and vibration power generator
CN111140422B (en) Wave energy power generation facility based on piezoelectric effect
CN108923685B (en) Piezoelectric spring for ultralow-frequency vibration energy conversion
CN103199668A (en) Net-shaped wind power and water power generating set
Gros et al. A survey on green energy harvesting applications using linear electric generators
CN209115248U (en) Wave energy generating set
Kevin et al. Study on micro-scale ocean wave power generator using oscillating water column system with piezoelectric
CN101594073B (en) System for driving piezoelectric material to generate electricity by using wind energy

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120926

Termination date: 20150906

EXPY Termination of patent right or utility model