CN103378624B - Multi-backup solar electric power supply system - Google Patents

Multi-backup solar electric power supply system Download PDF

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Publication number
CN103378624B
CN103378624B CN201210125168.6A CN201210125168A CN103378624B CN 103378624 B CN103378624 B CN 103378624B CN 201210125168 A CN201210125168 A CN 201210125168A CN 103378624 B CN103378624 B CN 103378624B
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China
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energy
storage battery
electric power
solar
backup
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Expired - Fee Related
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CN201210125168.6A
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Chinese (zh)
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CN103378624A (en
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吕永奇
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DAYOU ENERGY TECHNOLOGY Co Ltd
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DAYOU ENERGY TECHNOLOGY Co Ltd
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Publication of CN103378624A publication Critical patent/CN103378624A/en
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Publication of CN103378624B publication Critical patent/CN103378624B/en
Expired - Fee Related legal-status Critical Current
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Abstract

A kind of multi-backup solar electric power supply system, comprises the main solar power supply apparatus of a connection external power source of supply, an assisted solar electric supply installation, and one first backup control unit and one second backup control unit.This main solar power supply apparatus comprises one first energy-storage battery, and the first current output line road that is connected to this first energy-storage battery.This assisted solar electric supply installation comprises one second energy-storage battery, and the second current output line road of this second energy-storage battery electric power of output.This first backup control unit detects the voltage of this first energy-storage battery to determine that the electric power whether exporting this second energy-storage battery is to this first energy-storage battery.This second backup control unit detects the voltage of this second energy-storage battery to determine that the electric power whether exporting this external power source of supply is to this first energy-storage battery.

Description

Multi-backup solar electric power supply system
Technical field
The present invention relates to a kind of solar electric power supply system, particularly relate to a kind of multi-backup solar electric power supply system.
Background technology
Along with the progress of electronics technology, various electronic equipment is more and more higher for the demand of steady operation electric power.Power supply unit common at present, when city supply of electric power is broken down or electric power declines, then loses the ability of regular supply stable power and then causes the direct power-off of electronic equipment to close, even damaging expensive electronic equipment.For avoiding the problem produced during single input source fault, prior art utilizes UPS (Uninterrupted Power System, UPS) this power supply unit is connected, stable this electronic equipment of driven by power is temporarily provided, to reduce the risk losing suddenly input electric power by this in time inputting source fault.General UPS, using electric main as charging source, with regard to energy shortage and the constantly surging present situation of price, still has the demand of separately seeking other replacement schemes.
Solar energy is regarded as clean, the oligosaprobic energy, and energy comes from the sun, can continuously take in theory, thus in recent years constantly develops its application.Traditional solar electric power supply system, arranged side by side by multiple solar panels, to obtain larger solar light irradiation area, generated electricity by the semiconductor electronic motion in solar panels.Those solar panels also connect a chargeable storage battery usually, and the electrical power storage that solar panels accept to produce when light irradiates generating is in this storage battery.This storage battery provides direct current power to export to load further and uses.
Existingly much be developed out hybrid solar and the civil power framework as UPS charging source, as No. M317698th, TaiWan, China patent certificate, disclose a kind of " structure-improved of power storage equipment ", mainly comprise: at least two power sources and not power cutoff device, wherein this at least two power source is commercial power socket and fuel oil, solar energy, wind-force or battery (fuel cell) generator etc. any one, this is the built-in power source selector of power cutoff device not, the output of this not power cutoff device is for being combined with electric equipment, and the input of this not power cutoff device is connected with by built-in power source selector and at least two power sources.By this, when commercial power socket stops for seasonable, this not power cutoff device become power supply supplier, the second power source selected by built-in power source selector simultaneously, makes the sustainable start of electric equipment until commercial power socket recovers supplier.
In addition, No. M346913rd, TaiWan, China patent certificate, discloses a kind of " solar power supply apparatus ", comprises a solar power current collection plate, a commercial power socket, not power cutoff device and an electric equipment.This solar power current collection plate is in order to receive the luminous energy of sunlight and to be converted to one first power supply.This commercial power socket is in order to provide a second source.This is the built-in power source selector of power cutoff device not, and this power source selector is connected with this solar power current collection plate and this commercial power socket, input in order to select the electric power of this first power supply and this second source, and this not output of power cutoff device and the electric equipment person of combining, by this power source selector, select to switch, to reach energy savings and cost-effective effect person between this first power supply and this second source.
As No. M399538th, TaiWan, China patent certificate, disclose a kind of " wind-light-electricity compound UPS ", this UPS is the multiple electric energy multiple renewable energy resources produced, convert to after a direct current output electric energy through a fuel cell electrolysis circulator, deliver to an orthogonal conversion transducer again and convert an AC power to direct current to be exported electric energy, and supply the use of multiple AC load.Multiple AC load provides electric energy by the multiple renewable energy resources at ordinary times, when the electric energy that the multiple renewable energy resources always provide weakens to a preset value, then supplies multiple AC load by a civil power and uses, to obtain energy-saving effect and to maintain stable power supply.
Before take off the UPS prior art of multiple hybrid solar and civil power, mostly be utilize to switch mains system and the next driving electric power as electronic equipment of solar-electricity Force system, that is different electric power systems is still belonged to, in the process switched, still may produce surging because of the change of supply power voltage, the electronic equipment for UPS rear end produces infringement.
Summary of the invention
Main purpose of the present invention, is to solve conventional composite formula UPS in electric power source handoff procedure for the infringement of back end electronics.
For reaching above-mentioned purpose, the invention provides a kind of multi-backup solar electric power supply system, including:
-main solar power supply apparatus, include one first solar power current collection plate, one the first energy-storage battery obtaining this first solar power current collection plate power conversion, and the first current output line road that is connected to this first energy-storage battery, this first energy-storage battery is electrically connected at an external power source of supply;
One assisted solar electric supply installation, includes one second solar power current collection plate, second energy-storage battery obtaining this second solar power current collection plate power conversion, and the second current output line road that exports this second energy-storage battery electric power;
One first backup control unit, be arranged between the first energy-storage battery of this main solar power supply apparatus and the second current output line road of this assisted solar electric supply installation, this first backup control unit detects the voltage of this first energy-storage battery to determine that the electric power whether exporting this second energy-storage battery is to this first energy-storage battery; And
One second backup control unit, between the first energy-storage battery being arranged at this main solar power supply apparatus and this external power source of supply, this second backup control unit detects the voltage of this second energy-storage battery to determine that the electric power whether exporting this external power source of supply is to this first energy-storage battery.
In an embodiment, this second backup control unit determines that the electric power exporting this external power source of supply stops this first backup control unit to export the shutdown signal of this second energy-storage battery electric power to producing one during this first energy-storage battery.
In an embodiment, this first backup control unit includes the first switch element that is electrically connected at this first energy-storage battery and this second current output line road respectively, and one detects the voltage of this first energy-storage battery to export corresponding first control signal to the first controller of this first switch element.
In an embodiment, also include one and be arranged at AC/DC modulation unit between this first switch element and this first energy-storage battery.
In an embodiment, this second backup control unit includes the second switch unit that connects this external power source of supply and this first energy-storage battery respectively, and one detects the voltage of this second energy-storage battery to export corresponding second control signal to the second controller of this second switch unit.
In an embodiment, the second switch unit of this second backup control unit includes the shutdown signal of this first switch element of a closedown.
In an embodiment, also include one and be arranged at AC/DC modulation unit between this second switch unit and this first energy-storage battery.
In an embodiment, this main solar power supply apparatus includes one and is arranged at the first DC-AC converter on the first current output line road.
In an embodiment, this assisted solar electric supply installation includes one and is arranged at the second DC-AC converter on this second current output line road.
In an embodiment, also include one and be arranged at electric power recharging circuit between this main solar power supply apparatus and this assisted solar electric supply installation, this electric power recharging circuit includes the electric power recharging control unit that is electrically connected at this first energy-storage battery, and the diode of this electric power recharging control unit of connection and this second energy-storage battery.
In an embodiment, this electric power recharging control unit is electrically connected at this first backup control unit, and what this first backup control unit included this electric power recharging control unit conducting of a decision recharges control signal.
In an embodiment, this main solar power supply apparatus includes at least one 3rd solar power current collection plate, one is arranged at the 3rd switch element between the 3rd solar power current collection plate and this first energy-storage battery, and one detects the voltage of this first energy-storage battery to export corresponding the 3rd control signal to the 3rd controller of the 3rd switch element.
In an embodiment, this assisted solar electric supply installation includes at least one 4th solar power current collection plate, one is arranged at the 4th switch element between the 4th solar power current collection plate and this second energy-storage battery, and one detects the voltage of this second energy-storage battery to export corresponding the 4th control signal to the 4th controller of the 4th switch element.
The feature of multi-backup solar electric power supply system of the present invention is:
1, this main solar power supply apparatus is electrically connected at an assisted solar electric supply installation and an external power source of supply respectively, the electric power of this solar electric power stored by assisted solar electric supply installation and this external power source of supply all can first be stored in the first energy-storage battery of this main solar power supply apparatus, just can unify the electronic installation being exported to rear end by this first current output line road.
2, this main solar power supply apparatus can possess multiple redundancy electric power with the electric power avoiding this first energy-storage battery to lack storage, and increases the energy storage efficiency of this first energy-storage battery.
3, the solar electric power stored by this assisted solar electric supply installation and the electric power of this external power source of supply all can first come together in the first energy-storage battery of this main solar power supply apparatus; can avoid as prior art; when the different redundancy electric power source of switching; the surging produced and damage back end electronics, and the ability with protection electronic load.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the basic circuit block diagram of multi-backup solar electric power supply system of the present invention;
Fig. 2 is the thin portion circuitry block schematic diagram of multi-backup solar electric power supply system one embodiment of the present invention.
Embodiment
Relate to detailed description of the present invention and technology contents, the existing accompanying drawing that just coordinates is described as follows:
Refer to Fig. 1, for the basic circuit block diagram of multi-backup solar electric power supply system of the present invention, as shown in the figure: the present invention discloses a kind of multi-backup solar electric power supply system, main solar power supply apparatus 10 and an assisted solar electric supply installation 20 is mainly included.This main solar power supply apparatus 10 includes at least one first solar power current collection plate 11, one the first energy-storage battery 12 obtaining this first solar power current collection plate 11 power conversion, and the first current output line road 13 that is connected to this first energy-storage battery 12, this first current output line road 13 exports the electric power of this first energy-storage battery 12 to back end electronics 70,70a.First energy-storage battery 12 of this main solar power supply apparatus 10 is electrically connected at an external power source of supply 50.This assisted solar electric supply installation 20 includes the second energy-storage battery 22 that at least one second solar power current collection plate 21, obtains this second solar power current collection plate 21 power conversion, and the second current output line road 23 of this second energy-storage battery 22 electric power of output.Be stored in the direct current power in this first energy-storage battery 12 of this main solar power supply apparatus 10, directly can export to electronic equipment 70, the 70a of rear end, or can in response to the electronic equipment 70 using alternating current, on this first current output line road 13, set up one first DC-AC converter 17, the direct current power that this first energy-storage battery 12 stores is converted to alternating electromotive force and exports to this electronic equipment 70a.
Between the first energy-storage battery 12 of this main solar power supply apparatus 10 and the second current output line road 23 of this assisted solar electric supply installation 20, be provided with one first backup control unit 30, this first backup control unit 30 detects the voltage of this first energy-storage battery 12 to determine that the electric power whether exporting this second energy-storage battery 22 is to this first energy-storage battery 12.And between first energy-storage battery 12 and this external power source of supply 50 of this main solar power supply apparatus 10, be provided with one second backup control unit 40, this second backup control unit 40 detects the voltage of this second energy-storage battery 22 to determine that the electric power whether exporting this external power source of supply 50 is to this first energy-storage battery 12.
Refer to Fig. 2, for an embodiment circuitry block schematic diagram of multi-backup solar electric power supply system of the present invention, as shown in the figure: in order to more sufficient redundancy electric power can be provided, this main solar power supply apparatus 10 also includes at least one 3rd solar power current collection plate 14, one is arranged at the 3rd switch element 15 between the 3rd solar power current collection plate 14 and this first energy-storage battery 12, and one detects the voltage of this first energy-storage battery 12 to export corresponding the 3rd control signal 161 to the 3rd controller 16 of the 3rd switch element.In an embodiment, when the voltage that the 3rd controller 16 detects this first energy-storage battery 12 is less than 29.8V, as cloudy day or this electronic equipment 70, a large amount of electricity consumption of 70a, the 3rd controller 16 export the 3rd control signal 161 the 3rd switch element 15 is opened and the power conversion inputting the 3rd solar power current collection plate 14 to this first energy-storage battery 12.When the voltage that the 3rd controller 16 detects this first energy-storage battery 12 is greater than 29.8V, as sunny weather, then stop exporting the 3rd control signal 161, make the 3rd switch element 15 keep closing.
In addition, this assisted solar electric supply installation 20 also can include at least one 4th solar power current collection plate 24, one is arranged at the 4th switch element 25 between the 4th solar power current collection plate 24 and this second energy-storage battery 22, and one detects the voltage of this second energy-storage battery 22 to export corresponding the 4th control signal 261 to the 4th controller 26 of the 4th switch element 25.In an embodiment, when the voltage that the 4th controller 26 detects this second energy-storage battery 22 is less than 29.8V, as the cloudy day or provide a large amount of electric power be filled with this first energy-storage battery the 12, four controller 16 export the 4th control signal 261 the 4th switch element 25 is opened and the power conversion inputting the 4th solar power current collection plate 24 to this second energy-storage battery 22.When the voltage that the 4th controller 26 detects this second energy-storage battery 22 is greater than 29.8V, then stop exporting the 4th control signal 261, make the 4th switch element 25 keep closing.
In the present embodiment, this thinner portion of the first backup control unit 30 includes the first switch element 31 that is electrically connected at this first energy-storage battery 12 and this second current output line road 23 respectively, and one detects the voltage of this first energy-storage battery 12 to export corresponding first control signal 321 to the first controller 32 of this first switch element 31.This assisted solar electric supply installation 20 includes one and is arranged at the second DC-AC converter 27 on this second current output line road 23.This first backup control unit 30 includes one and is arranged at AC/DC modulation unit 60 between this first switch element 31 and this first energy-storage battery 12.In an embodiment, when the voltage that this first controller 32 detects this first energy-storage battery 12 is lower than 25V, this first controller 32 exports this first control signal 321 makes this first switch element 31 open, the electric power of this second energy-storage battery 22 is exported by this second current output line road 23, and be tuned as after 220V alternating electromotive force through this second DC-AC converter 27 and be converted to high voltage DC power and be filled with this first energy-storage battery 12 through this AC/DC modulation unit 60 by the alternating electromotive force of this first switch element 31, this 220V again.When the voltage that this first controller 32 detects this first energy-storage battery 12 is higher than 28.5V, this first controller 32 stops exporting this first control signal 321 makes this first switch element 31 close, and stops the electric power from this second energy-storage battery 22 to be filled with this first energy-storage battery 12.
On the other hand, this second backup control unit 40 also includes the second switch unit 41 that connects this external power source of supply 50 and this first energy-storage battery 12 respectively further, and one detects the voltage of this second energy-storage battery 22 to export corresponding second control signal 421 to the second controller 42 of this second switch unit 41.This AC/DC modulation unit 60 also connects this second switch unit 41 and this first energy-storage battery 12 respectively.In an embodiment, when the voltage that this second controller 42 detects this second energy-storage battery 22 is lower than 22V, this second controller 42 exports this second control signal 421 makes this second switch unit 41 open, the 220V alternating electromotive force of this external power source of supply 50, by after this second switch unit 41, utilizes this AC/DC modulation unit 60 alternating electromotive force of this 220V to be tuned as high voltage DC power and is filled with this first energy-storage battery 12.In addition, this second switch unit 41 also exports a shutdown signal 411 to this first switch element 31, and this shutdown signal 411 is closed this first switch element 31 and stops the electric power exporting this second energy-storage battery 22 to this first energy-storage battery 12.So, with the electric power avoiding this first energy-storage battery 12 to receive electric power from this external power source of supply 50 and this second energy-storage battery 22 simultaneously.When the voltage that this second controller 42 detects this second energy-storage battery 22 is higher than 26V, this second controller 42 stops exporting this second control signal 421 and this second switch unit 41 being closed, and stops the electric power from this external power source of supply 50 to be filled with this first energy-storage battery 12.
In the present invention, this external power source of supply 50, except can charging to this first energy-storage battery 12, also can charge to this second energy-storage battery 22 efficiency increasing overall charging indirectly.An electric power recharging circuit 80 is also provided with between this main solar power supply apparatus 10 and this assisted solar electric supply installation 20, this electric power recharging circuit 80 includes the electric power recharging control unit 81 that is electrically connected at this first energy-storage battery 12, and one connects this electric power recharging control unit 81 and this second energy-storage battery 22 and prevents electric current by this second energy-storage units 22 adverse current to the diode 82 of this first energy-storage units 12.This electric power recharging control unit 81 is electrically connected the first switch element 31 of this first backup control unit 30, and what this first switch element 31 included this electric power recharging control unit 81 conducting of a decision recharges control signal 311.In an embodiment, when this first energy-storage battery 12 is charged by this external power source of supply 50, this second switch unit 41 exports this shutdown signal 411 to close this first switch element 31, now, this first switch element 31 exports this and recharges control signal 311 and make it open to this electric power recharging unit 81, and the electric power that this first energy-storage battery 12 is filled with also charges to this second energy-storage battery 22 with this diode 82 by this electric power recharging unit 81.So, effectively utilize the electric power that this external power source of supply 50 exports, and promote the charge efficiency of this first energy-storage battery 12 and this second energy-storage battery 22.
By multi-backup solar electric power supply system of the present invention, this main solar power supply apparatus is except can using the first solar power current collection plate and charging to this first energy-storage battery, also by an assisted solar electric supply installation and an external power source of supply, this first energy-storage battery is charged, significantly promote the efficiency of this first energy-storage battery charging.In addition, switch between different power source compared to traditional UPS, after the electric power of this first solar power current collection plate, this assisted solar electric supply installation and this external power source of supply is all filled with this first energy-storage battery by multi-backup solar electric power supply system of the present invention, unification provides back end electronics electric power by this first energy-storage battery again, the surging that switching electric power can be avoided thus to produce, reduces the chance that back end electronics is damaged because of surging.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.

Claims (13)

1. a multi-backup solar electric power supply system, is characterized in that, includes:
One main solar power supply apparatus, include one first solar power current collection plate, one the first energy-storage battery obtaining this first solar power current collection plate power conversion, and the first current output line road that is connected to this first energy-storage battery, this first energy-storage battery is electrically connected at an external power source of supply;
One assisted solar electric supply installation, includes one second solar power current collection plate, second energy-storage battery obtaining this second solar power current collection plate power conversion, and the second current output line road that exports this second energy-storage battery electric power;
One first backup control unit, be arranged between the first energy-storage battery of this main solar power supply apparatus and the second current output line road of this assisted solar electric supply installation, this first backup control unit detects the voltage of this first energy-storage battery to determine that the electric power whether exporting this second energy-storage battery is to this first energy-storage battery; And
One second backup control unit, between the first energy-storage battery being arranged at this main solar power supply apparatus and this external power source of supply, this second backup control unit detects the voltage of this second energy-storage battery to determine that the electric power whether exporting this external power source of supply is to this first energy-storage battery.
2. multi-backup solar electric power supply system according to claim 1, it is characterized in that, this second backup control unit determines that the electric power exporting this external power source of supply stops this first backup control unit to export the shutdown signal of this second energy-storage battery electric power to producing one during this first energy-storage battery.
3. multi-backup solar electric power supply system according to claim 1, it is characterized in that, this first backup control unit includes the first switch element that is electrically connected at this first energy-storage battery and this second current output line road respectively, and one detects the voltage of this first energy-storage battery to export corresponding first control signal to the first controller of this first switch element.
4. multi-backup solar electric power supply system according to claim 3, is characterized in that, also includes one and is arranged at AC/DC modulation unit between this first switch element and this first energy-storage battery.
5. multi-backup solar electric power supply system according to claim 3, it is characterized in that, this second backup control unit includes the second switch unit that connects this external power source of supply and this first energy-storage battery of ` respectively, and one detects the voltage of this second energy-storage battery to export corresponding second control signal to the second controller of this second switch unit.
6. multi-backup solar electric power supply system according to claim 5, it is characterized in that, the second switch unit of this second backup control unit includes the shutdown signal of this first switch element of a closedown.
7. multi-backup solar electric power supply system according to claim 5, is characterized in that, also includes one and is arranged at AC/DC modulation unit between this second switch unit and this first energy-storage battery.
8. multi-backup solar electric power supply system according to claim 1, is characterized in that, this main solar power supply apparatus includes one and is arranged at the first DC-AC converter on the first current output line road.
9. multi-backup solar electric power supply system according to claim 1, is characterized in that, this assisted solar electric supply installation includes one and is arranged at the second DC-AC converter on this second current output line road.
10. multi-backup solar electric power supply system according to claim 1, it is characterized in that, also include one and be arranged at electric power recharging circuit between this main solar power supply apparatus and this assisted solar electric supply installation, this electric power recharging circuit includes the electric power recharging control unit that is electrically connected at this first energy-storage battery, and the diode of this electric power recharging control unit of connection and this second energy-storage battery.
11. multi-backup solar electric power supply systems according to claim 10, it is characterized in that, this electric power recharging control unit is electrically connected at this first backup control unit, and what this first backup control unit included this electric power recharging control unit conducting of a decision recharges control signal.
12. multi-backup solar electric power supply systems according to claim 1, it is characterized in that, this main solar power supply apparatus includes at least one 3rd solar power current collection plate, one is arranged at the 3rd switch element between the 3rd solar power current collection plate and this first energy-storage battery, and one detects the voltage of this first energy-storage battery to export corresponding the 3rd control signal to the 3rd controller of the 3rd switch element.
13. multi-backup solar electric power supply systems according to claim 1, it is characterized in that, this assisted solar electric supply installation includes at least one 4th solar power current collection plate, one is arranged at the 4th switch element between the 4th solar power current collection plate and this second energy-storage battery, and one detects the voltage of this second energy-storage battery to export corresponding the 4th control signal to the 4th controller of the 4th switch element.
CN201210125168.6A 2012-04-25 2012-04-25 Multi-backup solar electric power supply system Expired - Fee Related CN103378624B (en)

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CN104113087B (en) * 2014-07-02 2017-02-01 佛山市柏克新能科技股份有限公司 Solar UPS system

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Publication number Priority date Publication date Assignee Title
CN201142585Y (en) * 2007-11-28 2008-10-29 叶明祥 Solar power supply
CN201580268U (en) * 2009-11-13 2010-09-15 刘传江 Solar electro automobile
EP2262077A2 (en) * 2009-06-12 2010-12-15 Sharp Kabushiki Kaisha Power operation system, power operation method, photovoltaic power generator and controller
CN202651815U (en) * 2012-04-25 2013-01-02 大有能源科技有限公司 Multiple-backup solar power supply system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201142585Y (en) * 2007-11-28 2008-10-29 叶明祥 Solar power supply
EP2262077A2 (en) * 2009-06-12 2010-12-15 Sharp Kabushiki Kaisha Power operation system, power operation method, photovoltaic power generator and controller
CN201580268U (en) * 2009-11-13 2010-09-15 刘传江 Solar electro automobile
CN202651815U (en) * 2012-04-25 2013-01-02 大有能源科技有限公司 Multiple-backup solar power supply system

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