CN101938230B - 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 PDFInfo
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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
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, the mankind grow with each passing day to demands for energy, cause 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 to sight one after another, 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 electric energy to be provided 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, the extraction low temperature seawater carries out air conditioner refrigerating and hydrogen manufacturing etc. from the deep-sea.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, gather 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 under the effect of wave force, take place through pendulum mass or swings up and down, and converts wave energy the kinetic energy of balance staff into, drives generator for electricity generation.The advantage of this device is that conversion efficiency is high, can combine with phase control technology easily, makes wave power device can absorb device and meets the wave energy beyond the wave width, and its shortcoming is a comparatively difficulty of maintenance of machine.
The key technology of gathering ripple reservoir wave power device is a flaring wedge shape guide groove that gathers the ripple device and narrow down gradually, utilizes the head fall between reservoir and off-lying sea to drive the generating of hydraulic generator unit.The advantage of gathering 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 store and utilize.
Above-mentioned purpose realizes through following technical scheme: 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 on the water surface said casing or in the water; Vibration through wave makes the said cantilever slab strain that bends; Through piezoelectric effect, make a plurality of said piezoelectric element that sticks on the said 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, said wave vibration piezo-electric generating and solar energy combination electricity-generating method also comprise the steps: the direct current energy that stores in the said energy storage device is directly supplied to direct current with electric loading, perhaps convert to supply to behind the AC energy through inverter and exchange with electric loading or import electrical network.
Preferably; In above-mentioned steps (2), the AC energy that said a plurality of piezoelectric elements produce converts direct current energy to through following mode: at first, whole piezoelectric elements are divided into groups; And make the piezoelectric element in each group piezoelectric element connect each other, thereby form a plurality of serial module structures; Secondly, a plurality of serial module structures are divided into groups, 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 parallelly connected with one first diode, to form a plurality of parallelly connected modules; Once more, a plurality of parallelly connected modules are divided into groups, and each is organized connect with one second diode again after parallelly connected module in the parallelly connected module is connected each other, thereby form a plurality of branch circuits; At last, after said a plurality of branch circuit parallel connections, so that parallelly connected with the circuit of said solar panel, and pass through charge controller said energy storage device is charged.
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 casing and workbench; Is connected through cable between the generating casing between the generating casing and in water surface generating casing and the water between the said water surface generating casing, in the water, and the generate electricity casing that generates electricity in casing, the water of each water surface also passes through cable and is connected with said workbench, wherein; The generating casing is provided with the power generation box body case of sealing in each said water; Be provided with support, at least one weight block and a plurality of cantilever slab in this power generation box shell, an end of each cantilever slab is fixed on the said support, and the other end rides on the said weight block; Said weight block is connected in said power generation box body case through elastomeric material; Be bonded with a plurality of piezoelectric elements on the apparent surface of each said cantilever slab, these a plurality of piezoelectric elements are connected in the change-over circuit that is used for the AC energy that said piezoelectric element produces is converted into direct current energy; Each said water surface generating casing is identical with the structure of generating casing in the said water, and also is provided with solar panel at the upper surface of each said water surface generating casing; Said workbench is provided with workbench shell, charge controller and energy storage device, and said change-over circuit and solar panel are connected in said charge controller, and this charge controller is connected in said energy storage device.
Preferably, said elastomeric material is elastic threads or spring, and the length of this elastic threads or spring distance between said weight block and this power generation box body case when remaining static greater than said power generation box body case.
Preferably, said support is parallel to or perpendicular to the bottom of said power generation box body case, said weight block and said support laterally arrange.
Preferably, a plurality of parallel said suspended wall plates are formed row, the shared said weight block of the said cantilever slab of at least one row.
Preferably; Each said piezoelectric element is provided with first electrode, piezoelectric and second electrode (0403); Said piezoelectric is one or more the composition in piezoelectric monocrystal, piezoelectric ceramic, piezopolymer, the piezo-electricity composite material; Said 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 said 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 said cantilever slab is measure-alike, and each piezoelectric element size that sticks in the piezoelectric element capable (109) on the said cantilever slab is inequality.
Preferably, said change-over circuit syndeton is: whole said piezoelectric elements divide into groups, and the piezoelectric element in each group piezoelectric element connects each other, thereby form a plurality of serial module structures; These a plurality of serial module structures divide into groups, 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 parallelly connected with one first diode, thereby forms a plurality of parallelly connected modules; These a plurality of parallelly connected modules are divided into groups, and each are organized connect with one second diode after parallelly connected module in the parallelly connected module is connected each other again, thereby form a plurality of branch circuits; After these a plurality of branch circuit parallel connections, so be connected in said charge controller after the circuit of said solar panel is parallelly connected.
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, 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, and this makes, and TRT energy output of the present invention is big, applied range, has general applicability.
Description of drawings
Fig. 1 looks sketch map 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 sketch map 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 parallelly connected modules; 10806 branch circuits; 10807 change-over circuits
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but execution mode of the present invention is 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, explain that again wave vibration piezo-electric generating of the present invention and solar energy make up electricity-generating method.
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 connects with cable 2 between the generating casing 5 between the generating casing 5 and in water surface generating casing 1 and the water between the casing 1, in the water; Generating casing 5 is connected with workbench 4 through 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 laterally arrange 105 are formed row; The apparent surface of each cantilever slab 105 (being upper and lower surfaces among Fig. 4) is pasted with a plurality of piezoelectric elements 104, and an end of cantilever slab is fixed on the support 103, and 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, what those skilled in the art obviously can expect is also a weight block can be set separately at Fig. 4 right-of-center in political views's row cantilever slab; 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 through 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 said 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; Along with the vibration of 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 surfaces also produces the stretching and the compression of alternation, because piezoelectric effect, piezoelectric element will produce the electric energy of alternation; Through 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 at distance bracket same distance place surface 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, through 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 by the material and the physical dimension of cantilever slab jointly; 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 practical application; Can make correspondingly that the size of cantilever slab is different 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 the generate electricity internal structure of casing 1 of its internal structure and the water surface is identical.
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 surfaces 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 receives 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 through various known change-over circuits, this knows to 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 parallelly connected again one first diode 10802, thus form parallelly connected module 10805; After a plurality of parallelly connected module 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; Through 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 stated; The AC energy that piezoelectric element produces converts direct current energy to through change-over circuit; Direct current energy with the solar cell generation; Through 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; Said 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, converts direct current to alternating current, to the AC load power supply, or the input electrical network.
In addition, be apparently to 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.
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, still; 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 ability 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 on the water surface said casing or in the water; Vibration through wave makes the cantilever slab strain that bends; Through piezoelectric effect, make a plurality of piezoelectric elements that stick on said 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: said energy storage device, stores directly supply to direct current with electric loading, or convert AC energy to through inverter after supply to interchange with electric loading or 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 through multiple known mode, but preferably; The AC energy that these a plurality of piezoelectric elements produce converts direct current energy to through following mode: at first; Said a plurality of piezoelectric elements are divided into groups, and make the piezoelectric element in each group piezoelectric element connect each other, thereby form a plurality of serial module structures; Secondly, a plurality of serial module structures are divided into groups, 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 parallelly connected with one first diode, to form a plurality of parallelly connected modules; Once more, a plurality of parallelly connected modules are divided into groups, and each is organized connect with one second diode again after parallelly connected module in the parallelly connected module is connected each other, thereby form a plurality of branch circuits; At last, after a plurality of branch circuit parallel connections, and then parallelly connected, and energy storage device is charged through charge controller with the circuit of said solar cell.
Can find out through above description; 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 damaged, functional reliability and 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; 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 through any suitable manner, and it falls within the disclosed scope of the present 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 regarded as the disclosed content of the present invention equally.
More than combine accompanying drawing to describe preferred implementation of the present invention 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 on the water surface said casing or in the water; Vibration through wave makes said cantilever slab (105) strain that bends; Through piezoelectric effect, make a plurality of said piezoelectric element (104) that sticks on the said cantilever slab apparent surface produce AC energy, and convert AC energy to direct current energy;
The generating casing is provided with the power generation box body case of sealing in each said water, is provided with support, at least one weight block and a plurality of cantilever slab in this power generation box shell, and an end of each cantilever slab is fixed on the said support, and the other end rides on the said weight block; Said weight block is connected in said power generation box body case through elastomeric material; Be bonded with a plurality of piezoelectric elements on the apparent surface of each said cantilever slab, these a plurality of piezoelectric elements are connected in the change-over circuit that is used for the AC energy that said piezoelectric element produces is converted into direct current energy; Each said water surface generating casing is identical with the structure of generating casing in the said water;
Said solar panel is arranged at the upper surface of each water surface generating casing;
(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, also comprise the steps: with the direct current energy that stores in the said energy storage device (403) directly supply to direct current with electric loading, or convert to through inverter (403) and to supply to interchange behind 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 said step (2), the AC energy that said a plurality of piezoelectric elements (104) produce converts direct current energy to through following mode: at first, whole piezoelectric elements (104) are divided into groups; And make the piezoelectric element in each group piezoelectric element connect each other, 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 parallelly connected with one first diode (10802), to form a plurality of parallelly connected modules (10805); Once more, a plurality of parallelly connected modules (10805) are divided into groups, and each is organized connect with one second diode (10804) again after parallelly connected module in the parallelly connected module is connected each other, thereby form a plurality of branch circuits (10806); At last, after said a plurality of branch circuits (10806) parallel connection, so that parallelly connected with the circuit of said solar panel (101,112), and pass through charge controller (401) said energy storage device (403) is charged.
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 casing (1) and workbench (4), between the said water surface generating casing (1), generate electricity between the casing (5) in the water and water surface generating casing (1) and water in generate electricity and be connected through cable (2) between the casing (5), and the generate electricity casing (5) that generates electricity in casing (1), the water of each water surface also passes through cable (3) and is connected with said workbench (4); Wherein
The casing (5) that generates electricity in each said 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 said support (103), and the other end rides on the said weight block (106); Said weight block (106) is connected in said power generation box body case (102) through elastomeric material; Be bonded with a plurality of piezoelectric elements (104) on the apparent surface of each said 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 said piezoelectric element produces is converted into direct current energy;
The structure of casing (5) of generating electricity in each said water surface generating casing (1) and the said water is identical, and also is provided with solar panel (101) at the generate electricity upper surface of casing (1) of each said water surface;
Said workbench (4) is provided with workbench shell (402), charge controller (401) and energy storage device (403); Said change-over circuit (108) and solar panel (101) are connected in said charge controller (401), and this charge controller (401) is connected in said 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; Said elastomeric material is elastic threads or spring (107), and the length of this elastic threads or spring (107) is greater than said power generation box body case (102) distance between said 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; Said support (3) is parallel to or perpendicular to the bottom of said power generation box body case (102), said weight block (106) laterally arranges with said 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 said suspended wall plates (105) are formed row, the shared said weight block of the said 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 said piezoelectric element (104) is provided with first electrode (10401), piezoelectric (10402) and second electrode (0403); Said piezoelectric (10402) is one or more the composition in piezoelectric monocrystal, piezoelectric ceramic, piezopolymer, the piezo-electricity composite material; Said 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 said 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 said cantilever slab (105) is measure-alike, and each piezoelectric element size that sticks in the piezoelectric element capable (109) on the said 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; Said change-over circuit (108) syndeton is: whole said piezoelectric elements (104) divide into groups; And the piezoelectric element in each group piezoelectric element is connected each other, thereby forms a plurality of serial module structures (10801); These a plurality of serial module structures (10801) divide 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 parallelly connected with one first diode (10802), thereby forms a plurality of parallelly connected modules (10805); This a plurality of parallelly connected modules (10805) are divided into groups, and each are organized connect with one second diode (10804) after parallelly connected module in the parallelly connected module is connected each other again, thereby form a plurality of branch circuits (10806); After this a plurality of branch circuits (10806) parallel connection, so be connected in said charge controller (401) after the circuit of said solar panel (101) is parallelly connected.
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| 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 |
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| CN104104261B (en) * | 2013-04-12 | 2016-08-10 | 纳米新能源（唐山）有限责任公司 | Electricity generation system |
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| 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 |
| CN109469577B (en) * | 2017-10-25 | 2020-07-31 | 北京纳米能源与系统研究所 | Wave energy power generation device |
| 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 |
| CN110406635B (en) * | 2019-07-10 | 2024-07-02 | 中国科学院广州能源研究所 | Multi-stage power supply buoy with central tube |
| 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 |
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