CN103280846B - A kind of flexible photovoltaic integration power-supply system - Google Patents
A kind of flexible photovoltaic integration power-supply system Download PDFInfo
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- CN103280846B CN103280846B CN201310101910.4A CN201310101910A CN103280846B CN 103280846 B CN103280846 B CN 103280846B CN 201310101910 A CN201310101910 A CN 201310101910A CN 103280846 B CN103280846 B CN 103280846B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/548—Amorphous silicon PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of flexible photovoltaic integration power-supply system, comprise physical power source, electrochmical power source and power-supply controller of electric.Physical power source converts solar energy into electrical energy, use flexible thin-film solar cell component, comprise amorphous silicon film solar battery assembly, microcrystalline silicon solar cell assembly, amorphous silicon germanium thin film solar module, and they stacked solar cell, cascade solar cell assemblies of being formed, or CIGS thin film solar cell module.Electrochmical power source uses accumulator cell assembly, comprises nickel-cadmium cell assembly, Ni-MH battery assembly, lithium-ion battery module, alkali manganese rechargeable battery assembly or lead-acid battery component.Power-supply controller of electric is sun-generated electric power single channel o controller, and model is V ST10, is connected with physical power source, electrochmical power source and load respectively, as regulation and control physical power source and the power-supply controller of electric of electrochmical power source.The flexible photovoltaic integration power-supply system that the present invention provides, has flexible, light weight, and intensity is high, the advantages such as environmental resistance is good.
Description
Technical field
The present invention relates to a kind of new forms of energy photovoltaic system, in particular it relates to a kind of flexible photovoltaic integration power-supply system.
Background technology
Solar energy power generating is to enjoy favor and the energy expected in clean reproducible energy, shines upon tellurian energy and can meet the whole mankind and survive required whole energy.Solar energy power generating is used on artificial satellite the earliest, the most civilian from the beginning of about 1994, although only short more than ten years history, but development is the most very fast.Traditional silicon-based thin film solar cell is deposited in the rigid substrate such as glass, and the volume of this kind of solar cell is big, and quality is big, and consumptive material consumes energy, and is only used for the generating of fixed flat planar position, limits its range of application.
It is deposited on the flexible thin-film solar cell in the flexible substrate such as polyester film, it is possible to evade shortcoming and the drawback of rigidity solar cell well.It is thin, lightweight that flexible solar cell is generally of thickness, has good gathering volume ratio.Saving metal material and energy in pilot scale or production process, and it is not only restricted to the shape of installed surface, can the most arbitrarily bend or crimp；It can also be used as stand-by power supply in emergency circumstances or communicator power supply；It is also used as the power supply of space artificial satellite.
Summary of the invention
It is an object of the invention to provide one utilizes flexible thin-film solar cell component as power supply, converts solar energy into electrical energy, and uses electrochmical power source to realize the storage of electric energy as accumulation power supply.This system can preferably be applied on unrestricted curvature substrate, it is possible to achieve different area size, the seamless link of different curvature shape.
In order to achieve the above object, the invention provides a kind of flexible photovoltaic integration power-supply system, wherein, this power-supply system comprises physical power source, electrochmical power source and power-supply controller of electric.
Described physical power source converts solar energy into electrical energy.Use flexible thin-film solar cell component, comprise amorphous silicon film solar battery assembly, microcrystalline silicon solar cell assembly, amorphous silicon germanium thin film solar module, and any of which or several formed stacked solar cell, cascade solar cell assembly, or CIGS thin film solar cell module.
Described electrochmical power source can realize the storage of electric energy as accumulation power supply, uses accumulator cell assembly, comprises nickel-cadmium cell assembly, Ni-MH battery assembly, lithium-ion battery module, alkali manganese rechargeable battery assembly or lead-acid battery component.
Described power-supply controller of electric is sun-generated electric power single channel o controller, and model is V-ST10, is connected with physical power source, electrochmical power source and load respectively, as regulation and control physical power source and the power-supply controller of electric of electrochmical power source.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described sun-generated electric power single channel o controller is the Intelligent Controller with Single Chip Microcomputer realizing carrying out accumulator solar recharging by pulse width modulation (PMW).Solaode belongs to photovoltaic apparatus (major part is semi-conducting material), and it occurs photoelectric effect to produce electric current after light irradiates.The attribute being had due to material and light and limitation, its electric current generated also is the curve with undulatory property, if in the electric current generated directly is filled with accumulator or directly to load supplying, then easily causing the damage of accumulator and load, seriously reducing their life-span.Therefore we must first send into electric current controller for solar, uses special chip circuit that it is digitized regulation, and adds multistage charge and discharge protecting.During to load supplying, also it is to allow the electric current of accumulator first flow into controller for solar, after its regulation, then electric current is sent into load.Do so one is for stable discharging electric current；Two are to ensure that accumulator is not by overdischarge；Three is load and accumulator to be carried out a series of monitoring and protecting.Described sun-generated electric power single channel o controller employs single-chip microcomputer and software, it is achieved Based Intelligent Control；Utilize the accurate control of discharge of battery discharge rate characteristic revision.Final discharging voltage is by the control point of discharge rate curve amendment, eliminates simple Control of Voltage and crosses the inaccuracy put, and meets the characteristic that accumulator is intrinsic, and the most different discharge rates has different end of a period voltage.Have overcharge, cross put, electrical short, overload protection, the Automatic Control such as unique anti-reverse protection；More than protect and the most do not damage any parts, do not burn insurance；Have employed tandem PWM charging main circuit, make the loss of voltage of charge circuit relatively use the charging circuit of diode to reduce nearly half, charge efficiency more non-PWM height 3%-6%, add the electricity consumption time；Crossing the lifting charging putting recovery, the most directly fill, floating charge automatic control mode makes system have longer service life；There is high precision temperature compensation simultaneously；LED indicates current battery condition intuitively, allows user understand behaviour in service；All controls all use technical grade chip, can run freely at cold, high temperature, wet environment.Being simultaneously used crystal oscillator timing controlled, timing controlled is accurate.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible thin-film solar cell component is by connected in series or in parallel as physical power source, and described accumulator cell assembly is connected in parallel as electrochmical power source.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible thin-film solar cell is deposited in metal forming flexible substrate or polyester film flexible substrate.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible thin-film solar cell is non-crystalline silicon (α-Si) the inline thin film solar cell of lamination.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described amorphous silicon laminated inline thin film solar cell comprises flexible back plate from the bottom to top, flexible substrate, and back reflector is amorphous silicon laminated, nesa coating, grid line, extraction electrode and encapsulated layer.The described amorphous silicon laminated N shell that comprises respectively, intrinsic layer (I layer) and P layer.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described amorphous silicon laminated deposition by plasma enhanced chemical vapor deposition method is formed；Described back reflector and nesa coating are formed by Grown by Magnetron Sputtering；Described extraction electrode is using easy side's property conductive silver glued membrane as intermediate medium, and uses flexible welding to form.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described nesa coating uses transparent indium tin oxide (ITO) coating conducting film；Described back reflector uses Ag and ZnO；Described grid line uses silver slurry；Described extraction electrode uses tin-coated copper strip.
Above-mentioned flexible photovoltaic integration power-supply system, wherein, described flexible back plate is ethylene-vinyl acetate copolymer (EVA)；Described flexible substrate is polyimides (PI) polyester film；Described encapsulated layer uses siloxane series glue to coordinate homologous series diluent.
The preferred non-crystalline silicon of the present invention and amorphous silicon laminated solar cell, because it is higher relative to the other type of solar cell of homologous series or different types of solar cell that the low light level of non-crystalline silicon opens pressure, and spectral response range is wider, so this kind of solar module is capable of continuing, working efficiently, charge and discharge efficiency is high, and the life-span is long.When system connects normal, and when having sunlight to be irradiated on flexible solar cell assembly, charging indicator light is green Chang Liang, represents that system charging circuit is normal；When green fast blink occurs in charging indicator light, system voltage superpressure being described, these automatic control processes will make accumulator reach optimal charge effect and ensure or extend its service life.
The flexible photovoltaic integration power-supply system that the present invention provides has the advantage that
In the case of there is illumination in the external world, the physical power source of the present invention converts solar energy into electrical energy and is electrochmical power source charging；In the case of the external world does not has illumination, the electric energy of electrochmical power source storage can be directly to load supplying.
The present invention uses flexible thin-film solar cell, is not only restricted to the shape of carrier, therefore can realize different area size, the seamless link of different curvature shape.The application present invention, can expand the application of flexible thin-film solar cell significantly, reduces the impost of flexible thin-film solar cell, improves the gravimetric specific power of flexible thin-film solar cell, strengthens the environmental resistance of flexible thin-film solar cell.
The present invention is with civilian as background, flexible thin-film solar cell component has flexible, light weight, intensity is high, environmental resistance is good, battery component gravimetric specific power advantages of higher after encapsulation, application is unrestricted, it is suitably applied in space stratospheric airship, high-altitude vehicle, and ground Portable movable charger, cold quartz mercury vapor lamp include sun street lamp, sun garden lamp, sun Lawn lamp, wind and light complementary road lamp, sun Landscape Lamp, sun Assembled lamp, sun underground lamp and sun lifting type tall rod lamp.
The present invention selects material of good performance to realize flexible solar cell assembly and can work in extreme circumstances, and including snowing, thunder, the summer of hail and sweltering heat normally works.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the flexible photovoltaic integration power-supply system of the present invention.
Fig. 2 is the outside schematic diagram of power-supply controller of electric of the flexible photovoltaic integration power-supply system of the present invention.
Fig. 3 is the application schematic diagram one of the flexible photovoltaic integration power-supply system of the present invention.
Fig. 4 is the application schematic diagram two of the flexible photovoltaic integration power-supply system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is further described.
The flexible photovoltaic integration power-supply system that the present invention provides, makes the accumulator cell assembly as electrochmical power source 2 and the flexible solar cell assembly as physical power source 1 form integrated power-supply system by sun-generated electric power single channel controller.Circuit diagram is shown in Figure 1, PWM(Pulse Width Modulation in figure) it is pulse width modulating technology, FUSE is electric fuse, and Q1, Q2, Q3 are audion, and TVS is transient voltage suppressor diode.
As the preferred amorphous silicon laminated inline thin film solar battery module of flexible thin-film solar cell component of physical power source 2, its composition mainly includes flexible back plate EVA, flexible substrate material PI, back electrode Ag and ZnO, α-Si and α-Si lamination (put in order as N shell, intrinsic layer, P layer, N shell, intrinsic layer, P layer ...), nesa coating ITO, grid line Ag starches, and the glue of extraction electrode tin-coated copper strip and encapsulated layer siloxane series coordinates diluent.
As the preferred lead-acid battery component of accumulator cell assembly of electrochmical power source 2, it mainly includes two 12V in parallel, 24A h lead-acid accumulator.
This system also comprises sun-generated electric power single channel o controller, and as regulation and control physical power source 1 and the power-supply controller of electric 3 of electrochmical power source 2, model is V-ST10.Shown in Figure 2, the outside of power-supply controller of electric 3 is provided with solar cell display lamp 31, battery condition display lamp 32, load display lamp 33, LED shows 34, control button 35 and binding post 36, wherein S represents and connects solar cell, and B represents and connects accumulator, and L represents and connects load.Whole power-supply system meets the power supply of normal courtyard landscape lamp and energy storage and demand for control.
The flexible photovoltaic integration power-supply system that the present invention provides, selects two lead-acid accumulator parallel components as electrochmical power source 2, and the batteries to store energy after parallel connection is 24 A h, and voltage is 12V, and voltage is when normal range, and status indicator lamp is green Chang Liang；After being full of, status indicator lamp is green slow flash；When cell voltage is reduced to a certain extent, status indicator lamp becomes orange-yellow；When battery tension continues to be reduced to overdischarge pressure, status indicator lamp becomes red, and now controller will turn off output, reminds the timely electric energy supplement of user.When cell voltage returns in normal range of operation, output automatically being opened action, status indicator lamp recovers to become green.
As a example by by this system for sun street lamp power supply, road lamp power supply, when load is opened, load display lamp Chang Liang.If sun street lamp electric current has exceeded the rated current 60 seconds of controller 1.25 times, or when having exceeded very much the rated current 5 seconds of controller 1.5 times with street lamp electric current, display lamp is red slow flash, represents overload, and controller is by cuts out output.When short trouble occur in sun street lamp or sun street lamp side, controller will immediately shut off output, display lamp quick flashing.This sun street lamp load system can under the weather of lasting haze continuous firing 7.2 hours.
The accessible performance indications of this system are as follows: long-time stable can work between-10～80 DEG C, and ensure flexible, intensity is high, and the surface temperature 60 DEG C of long-time stable work solar battery array, after gravimetric specific power is up to 360W/kg(cell package).After environmental simulation test, after flexible thin-film solar cell component employing integral type mounts mode and is combined with street lamp substrate very much, in the case of wind speed 10m/s, position does not occur to offset and turn down and can work continually and steadily.
The flexible photovoltaic integration power-supply system that the present invention provides, utilize flexible thin-film solar cell component as the physical power source 1 of charging, accumulator cell assembly as the electrochmical power source 2 of energy storage and sun-generated electric power single channel o controller as regulation and control physical power source 1 and electrochmical power source 2 intelligent power supply controller 3.This system is developed with the application of civil area for background, environmental resistance is excellent, main application fields includes computer and the clock and watch that need not change battery, the solar cell installed on roof, can serve as the transparent solar cell of window-glass, it is arranged on the MW class solar photovoltaic generation system in farmland and tap water water treatment plant, solar cell in beacon, remote mountains and in desert, with the solar vehicle of solar energy power generating walking, it is the solar cell inside the highway contributed of traffic safety or airport as luminescent marking.Its application schematic diagram sees shown in Fig. 3 and Fig. 4.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (3)
1. a flexible photovoltaic integration power-supply system, it is characterised in that this power-supply system comprises physical power source (1), electrochmical power source (2) and power-supply controller of electric (3)；
Described physical power source (1) converts solar energy into electrical energy；Use flexible thin-film solar cell component, comprise flexible amorphous silicon thin-film solar cell assembly, flexible amorphous silicon germanium film solar module, and its flexible overlapping solar module formed；
Described flexible thin-film solar cell is deposited in metal forming flexible substrate or polyester film flexible substrate；Described flexible thin-film solar cell is amorphous silicon laminated inline thin film solar cell；Described amorphous silicon laminated inline thin film solar cell comprises flexible back plate from the bottom to top, flexible substrate, and back reflector is amorphous silicon laminated, nesa coating, grid line, extraction electrode and encapsulated layer；
Described amorphous silicon laminated deposition by plasma enhanced chemical vapor deposition method is formed；Described back reflector and nesa coating are formed by Grown by Magnetron Sputtering；Described extraction electrode is using easy side's property conductive silver glued membrane as intermediate medium, and uses flexible welding to form；
Described flexible back plate is ethylene-vinyl acetate copolymer；Described flexible substrate is polyimide polyester film；Described encapsulated layer uses siloxane series glue to coordinate homologous series diluent；
Described electrochmical power source (2) is capable of the storage of electric energy, uses accumulator cell assembly, comprises nickel-cadmium cell assembly, Ni-MH battery assembly, lithium-ion battery module, alkali manganese rechargeable battery assembly or lead-acid battery component；
Described power-supply controller of electric (3) is sun-generated electric power single channel o controller, is connected with physical power source (1), electrochmical power source (2) and load respectively；Described sun-generated electric power single channel o controller is the Intelligent Controller with Single Chip Microcomputer realizing carrying out accumulator solar recharging by pulse width modulation.
2. flexible photovoltaic integration power-supply system as claimed in claim 1, it is characterised in that described flexible thin-film solar cell component is by connected in series or in parallel as physical power source (1), and described accumulator cell assembly is connected in parallel as electrochmical power source (2).
3. flexible photovoltaic integration power-supply system as claimed in claim 1, it is characterised in that described nesa coating uses transparent indium tin oxide coating conducting film；Described back reflector uses Ag and ZnO；Described grid line uses silver slurry；Described extraction electrode uses tin-coated copper strip.
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| US11171324B2 (en) | 2016-03-15 | 2021-11-09 | Honda Motor Co., Ltd. | System and method of producing a composite product |
| US11834335B2 (en) | 2019-03-04 | 2023-12-05 | Honda Motor Co., Ltd. | Article having multifunctional conductive wire |
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| FR3020221B1 (en) | 2014-04-22 | 2017-11-24 | Olivier Panya Krug | ELECTRIC ENERGY STORAGE MODULE FOR A DEVICE FOR CONVERTING PHOTOVOLTAIC ENERGY INTO ELECTRICAL ENERGY |
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| EP2586066A1 (en) * | 2010-06-25 | 2013-05-01 | TEL Solar AG | Thin film solar cell with microcrystalline absorpber layer and passivation layer and method for manufacturing such a cell |
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| CN201590672U (en) * | 2010-01-07 | 2010-09-22 | 山东中晶新能源有限公司 | Portable solar energy integrated module power supply device |
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| US11834335B2 (en) | 2019-03-04 | 2023-12-05 | Honda Motor Co., Ltd. | Article having multifunctional conductive wire |
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