JPH1169659A - Solar power generation and charging system - Google Patents
Solar power generation and charging systemInfo
- Publication number
- JPH1169659A JPH1169659A JP9215334A JP21533497A JPH1169659A JP H1169659 A JPH1169659 A JP H1169659A JP 9215334 A JP9215334 A JP 9215334A JP 21533497 A JP21533497 A JP 21533497A JP H1169659 A JPH1169659 A JP H1169659A
- Authority
- JP
- Japan
- Prior art keywords
- power
- voltage
- secondary battery
- solar
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、太陽光、商用電源
を用いた分散集中型充電システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distributed centralized charging system using sunlight and commercial power.
【０００２】[0002]
【従来の技術】太陽電池を用いて発電を行い、充電器に
より二次電池に充電するシステムは多数提案されてい
る。2. Description of the Related Art There have been proposed many systems for generating electricity using a solar cell and charging a secondary battery with a charger.
【０００３】例えば、実開昭６１−２０５２３８号公報
には、太陽電池パネル及び可搬二次電池収納部からなる
二次電池充電装置において、据置き二次電池、充放電制
御回路部が設けられ、前記太陽電池パネルで発電した電
気エネルギーが前記据置き二次電池に充電され、この充
電された電気エネルギーが前記可搬二次電池に充電さ
れ、このとき前記据置き二次電池の充放電が前記充放電
制御回路部により電圧が制御されるように電気的に接続
されている太陽電池利用による可搬二次電池充電装置が
開示されている。For example, Japanese Utility Model Laid-Open Publication No. 61-205238 discloses a secondary battery charger including a solar battery panel and a portable secondary battery storage unit, in which a stationary secondary battery and a charge / discharge control circuit are provided. The electric energy generated by the solar cell panel is charged in the stationary secondary battery, and the charged electric energy is charged in the portable secondary battery. At this time, the charging and discharging of the stationary secondary battery is performed. A portable secondary battery charger using a solar cell, which is electrically connected so that the voltage is controlled by the charge / discharge control circuit unit, is disclosed.
【０００４】また、特開平３−２２８２９号公報には、
太陽電池、二次電池、インバータ、分電盤を有する分散
形発電システムにおいて、分電盤内に太陽電池、二次電
池のような直流電力源をインバータに接続するスイッチ
と、逆流防止装置と、連系遮断用受信器と、連系用スイ
ッチとを収納した分散形発電システムが開示されてい
る。Japanese Patent Laid-Open No. 3-22829 discloses that
In a distributed power generation system having a solar cell, a secondary battery, an inverter, and a distribution board, a solar cell in the distribution board, a switch that connects a DC power source such as a secondary battery to the inverter, and a backflow prevention device, A distributed power generation system containing an interconnection disconnection receiver and an interconnection switch is disclosed.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、太陽光
の光量が日によってばらつき、二次電池の充電を量産的
に行うには至っていない。また、商用電源のみを利用す
る充電システムはコストが高いという問題があった。However, the amount of sunlight varies from day to day, and the charging of the secondary battery has not been carried out in mass production. Further, there is a problem that a charging system using only a commercial power supply is expensive.
【０００６】本発明が解決しようとする課題は、太陽光
を利用できるときは最大限に利用し、太陽光が利用でき
ないときには商用電源を使用することにより、安定した
二次電池の量産的充電を行うシステムを提供することに
ある。The problem to be solved by the present invention is to maximize the use of sunlight when it is available, and to use a commercial power source when sunlight is not available, thereby ensuring stable mass-production charging of secondary batteries. It is to provide a system for performing such operations.
【０００７】[0007]
【課題を解決するための手段】前記課題を解決するため
に、本発明の太陽発電充電システムは、太陽電池と、前
記太陽電池の発電電圧を所定の電圧に変換するＤＣ−Ｄ
Ｃコンバータと、商用電源の交流電圧を直流電圧に変換
するＡＣ−ＤＣコンバータと、停電用二次電池と、充電
される二次電池充電器と、前記太陽電池発電時には太陽
電池を、太陽電池が非発電時には前記ＡＣ−ＤＣコンバ
ータを前記二次電池充電器に接続する切替制御回路と、
商用電源停電時に前記停電用二次電池の直流電力を商用
電源の交流電圧に変換するインバータとを備えたもので
ある。In order to solve the above-mentioned problems, a solar power generation charging system according to the present invention comprises a solar cell and a DC-D for converting a generated voltage of the solar cell into a predetermined voltage.
A C converter, an AC-DC converter for converting an AC voltage of a commercial power supply to a DC voltage, a power outage secondary battery, a secondary battery charger to be charged, and a solar battery when generating the solar battery. A switching control circuit that connects the AC-DC converter to the secondary battery charger during non-power generation;
An inverter for converting DC power of the secondary battery for power failure into AC voltage of commercial power when a commercial power failure occurs.
【０００８】[0008]
【発明の実施の形態】本発明においては、図１に示すよ
うに、太陽電池８、停電用二次電池９、切換制御回路２
１、二次電池充電器２３等の電池および切換スイッチ
と、インバータ１０、ＡＣ−ＤＣコンバータ２２等の交
直変換器およびスイッチアレイ２６、二次電池充電器２
３、ＤＣ電源（コンセント）２８を設ける。これらの手
段と商用電力系統１を備えることにより、太陽発電充電
システムの接続と操作が集中的に行え、かつ、両者を併
用することにより、二次電池の蓄電を短時間で行えると
共に、無駄のないシステムとすることができる。DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, as shown in FIG. 1, a solar cell 8, a power outage secondary battery 9, and a switching control circuit 2 are provided.
1, a battery and a changeover switch such as a secondary battery charger 23, an AC / DC converter and a switch array 26 such as an inverter 10, an AC-DC converter 22, and a secondary battery charger 2.
3. A DC power supply (outlet) 28 is provided. By providing these means and the commercial power system 1, connection and operation of the solar power generation charging system can be performed intensively, and by using both, power storage of the secondary battery can be performed in a short time, and There can be no system.
【０００９】[0009]
【実施例】以下、図面に示す実施例に基づいて本発明を
具体的に説明する。図１は本発明の実施例を示す回路
図、図２はそのブロック図である。図中、１は商用電力
系統、２は分電盤、３は電流制御部、４は電流制限ブレ
ーカ、５は主幹漏電ブレーカ、６は負荷スイッチ、７は
負荷、８は太陽電池、９は停電用二次電池、１０はイン
バータ、１１はインバータ用スイッチ、１２は太陽電池
用スイッチ、１３は逆流阻止ダイオード、１４は二次電
池用スイッチ、１５は連系用スイッチ、１６は受信器、
１７は連系遮断投入制御器、１８はＣＴ、１９は逆潮流
検出器、２０はＣＴ、２１は切換制御回路、２２はＡＣ
−ＤＣコンバータ、２３は二次電池充電器、２４は充電
器用スイッチ、２５はＡＣ−ＤＣコンバータ用スイッ
チ、２６はスイッチアレイ、２７は切換スイッチ、２８
はＤＣ電源（コンセント）、２９は接続箱、３３はＤＣ
−ＤＣコンバータである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on embodiments shown in the drawings. FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram thereof. In the figure, 1 is a commercial power system, 2 is a distribution board, 3 is a current control unit, 4 is a current limiting breaker, 5 is a main earth leakage breaker, 6 is a load switch, 7 is a load, 8 is a solar cell, and 9 is a power failure. Secondary battery, 10 is an inverter, 11 is an inverter switch, 12 is a solar battery switch, 13 is a backflow prevention diode, 14 is a secondary battery switch, 15 is an interconnection switch, 16 is a receiver,
Reference numeral 17 denotes a disconnection / closing controller, 18 denotes CT, 19 denotes a reverse power flow detector, 20 denotes CT, 21 denotes a switching control circuit, and 22 denotes AC.
-DC converter, 23 is a secondary battery charger, 24 is a charger switch, 25 is an AC-DC converter switch, 26 is a switch array, 27 is a changeover switch, 28
Is a DC power supply (outlet), 29 is a connection box, 33 is DC
-DC converter.
【００１０】図１において、商用電力系統１から分電盤
２に入った電力は電流制御部３の中に設けられた電流制
限ブレーカ４より、負荷スイッチ６を介して負荷７およ
び分流器２７、ＡＣ−ＤＣコンバータ用スイッチ２５に
より、ＡＣ−ＤＣコンバータ２２に供給される。同じ分
電盤２の中には、太陽電池用スイッチ１２、充電器用ス
イッチ２４が設けられ、図１に示すように、太陽電池
８、ＤＣ−ＤＣコンバータ３３、ＡＣ−ＤＣコンバータ
２２の出力をそれぞれ切換制御回路２１を通してインバ
ータ１０およびスイッチアレイ２６、二次電池充電器２
３に接続できるようになっている。In FIG. 1, electric power entering a distribution board 2 from a commercial power system 1 is supplied from a current limiting breaker 4 provided in a current control unit 3 via a load switch 6 to a load 7 and a shunt 27, The power is supplied to the AC-DC converter 22 by the AC-DC converter switch 25. A switch 12 for a solar cell and a switch 24 for a charger are provided in the same distribution board 2, and as shown in FIG. 1, the outputs of the solar cell 8, the DC-DC converter 33, and the AC-DC converter 22 are respectively provided. Inverter 10 and switch array 26, rechargeable battery charger 2 through switching control circuit 21
3 can be connected.
【００１１】ここで逆流阻止ダイオード１３は太陽電池
８にも内蔵される場合と、されない場合があるので、い
ずれにも対応できるよう、この位置に付ける。Here, the backflow prevention diode 13 may or may not be incorporated in the solar cell 8, and is mounted at this position so as to be able to cope with any case.
【００１２】１８はＣＴであり、逆潮流検出器１９に接
続される。ＰＴ２０の出力の電圧波形とＣＴ１８の出力
の電流波形の位相は逆潮流検出器１９において比較さ
れ、これらが互いに逆相であると逆潮流が起きたと判定
され、逆潮流検出器１９から連系用スイッチ１５はこれ
らを受けてオフとなる。連系用スイッチ１５がオフとな
った後は、負荷７は商用電力系統１の電力のみにより運
転を続ける。Reference numeral 18 denotes a CT, which is connected to a reverse power flow detector 19. The phase of the voltage waveform of the output of the PT 20 and the phase of the current waveform of the output of the CT 18 are compared in the reverse power flow detector 19, and when these are in opposite phases, it is determined that reverse power flow has occurred. The switch 15 is turned off in response to these. After the interconnection switch 15 is turned off, the load 7 continues to operate using only the power of the commercial power system 1.
【００１３】加えて、商用電力系統１が停電したときに
も、負荷７の一部の運転を当該システムの停電用二次電
池９の出力電力により続けることができるようにする。
さらに、放電後の再充電も自動的に行えるようにする。
このための蓄電池として、リサイクル用蓄電池がある。In addition, even when the commercial power system 1 fails, the operation of a part of the load 7 can be continued by the output power of the power failure secondary battery 9 of the system.
Further, recharging after discharging can be automatically performed.
As a storage battery for this purpose, there is a storage battery for recycling.
【００１４】一方、二次電池充電器２３に出力する場
合、太陽電池８より、太陽電池用スイッチ１２、逆流阻
止ダイオード１３、ＤＣ−ＤＣコンバータ３３を通り、
切換制御回路２１の選択により、スイッチアレイ２６、
二次電池充電器２３に出力される。また、太陽電池８の
出力がないとき、切換スイッチ２７により，ＡＣ−ＤＣ
コンバータ用スイッチ２５、ＡＣ−ＤＣコンバータ２２
により、切換制御回路２１を通して、スイッチアレイ２
６、二次電池充電器２３に出力される。On the other hand, when outputting to the secondary battery charger 23, the solar battery 8 passes through the solar battery switch 12, the backflow prevention diode 13, and the DC-DC converter 33,
By the selection of the switching control circuit 21, the switch array 26,
Output to the secondary battery charger 23. When there is no output from the solar cell 8, the changeover switch 27 operates the AC-DC
Converter switch 25, AC-DC converter 22
Through the switch control circuit 21 and the switch array 2
6. Output to the secondary battery charger 23.
【００１５】二次電池充電器２３の充電形態としては、
図３に示すように、同種蓄電池を逐次蓄電する方式と、
異種蓄電池を逐次蓄電する二種類の蓄電方式を有する。
それらは、スイッチアレイ２６により切り換わる。The charging form of the secondary battery charger 23 is as follows.
As shown in FIG. 3, a method of sequentially storing the same type of storage battery,
There are two types of power storage systems that sequentially store different types of storage batteries.
They are switched by the switch array 26.
【００１６】図４〜図７は切換制御回路２１の操作によ
り電源と負荷を切り換える場合の各種組み合わせを示す
ものである。FIGS. 4 to 7 show various combinations in the case where the power supply and the load are switched by operating the switching control circuit 21. FIG.
【００１７】図４は太陽電池８で発電された直流電圧を
ＤＣ−ＤＣコンバータ３３を介してインバータ１０に供
給し、商用交流電圧１００Ｖを得る場合を示している。FIG. 4 shows a case where the DC voltage generated by the solar cell 8 is supplied to the inverter 10 via the DC-DC converter 33 to obtain a commercial AC voltage of 100V.
【００１８】図５は太陽電池８で発電された直流電圧を
ＤＣ−ＤＣコンバータ３３を介してスイッチアレイ２６
に接続し、二次電池充電器２３により二次電池を充電す
る場合を示している。FIG. 5 shows that the DC voltage generated by the solar cell 8 is applied to the switch array 26 via the DC-DC converter 33.
And charging the secondary battery by the secondary battery charger 23.
【００１９】図６は、商用電源を直流に変換するＡＣ−
ＤＣコンバータ２２で発電された直流電圧と太陽電池８
で発電された直流電圧をＤＣ−ＤＣコンバータ３３を介
してスイッチアレイ２６に接続し、二次電池充電器２３
により二次電池を急速充電する場合を示している。FIG. 6 shows an AC-converter for converting a commercial power supply to a direct current.
DC voltage generated by DC converter 22 and solar cell 8
Is connected to the switch array 26 via the DC-DC converter 33, and the secondary battery charger 23
Indicates a case where the secondary battery is rapidly charged.
【００２０】図７は図６の例に加えて、各種の電圧の蓄
電池のためのＤＣ電源コンセント２８を接続した場合を
示している。FIG. 7 shows a case where DC power outlets 28 for storage batteries of various voltages are connected in addition to the example of FIG.
【００２１】[0021]
【発明の効果】以上述べたように、本発明によれば太陽
発電充電システムにおいて、〔太陽電池＋商用電源〕の
トータル電力が無駄なく使用され、最大限の効率を上げ
ることができる。As described above, according to the present invention, in the solar power generation charging system, the total power of [solar cell + commercial power supply] is used without waste, and the maximum efficiency can be improved.
【００２２】加えて、ガソリンスタンド、電気店、個人
住宅内などにおいて太陽発電充電システムを設置する場
合に、太陽電池、ＤＣ−ＤＣコンバータ、切換制御回
路、インバータ、停電用二次電池、ＡＣ−ＤＣコンバー
タ、二次電池充電器等の接続や操作が集中的に行え、か
つ、電力の無駄をなくし、必要な時に必要な蓄電池を安
価に短時間で充電することが可能となる。In addition, when a solar power generation charging system is installed in a gas station, an electric shop, a private house, or the like, a solar cell, a DC-DC converter, a switching control circuit, an inverter, a power failure secondary battery, an AC-DC The connection and operation of the converter, the secondary battery charger, and the like can be performed intensively, and the waste of power can be prevented, and the necessary storage battery can be charged at a low cost in a short time when needed.
【００２３】また、二次電池としては、一般の鉛蓄電池
以外に、酸化銀蓄電池、ニッケル・カドミウム蓄電池、
ニッケル・水素蓄電池、リチウム・イオン蓄電池その他
の蓄電池でも同じ効果が得られる。As secondary batteries, silver oxide batteries, nickel-cadmium batteries, nickel-cadmium batteries,
The same effect can be obtained with nickel-hydrogen storage batteries, lithium-ion storage batteries, and other storage batteries.
【００２４】太陽電池を単独で蓄電する場合は、電力の
ない僻地等でも使用可能となる。When the solar cell is solely charged, it can be used even in remote places where there is no electric power.
【図１】 本発明の一実施例を示すブロック図である。FIG. 1 is a block diagram showing one embodiment of the present invention.
【図２】 本発明の他の実施例を示すブロック図であ
る。FIG. 2 is a block diagram showing another embodiment of the present invention.
【図３】 本発明のさらに他の実施例を示すブロック図
である。FIG. 3 is a block diagram showing still another embodiment of the present invention.
【図４】 切換制御回路による電源と負荷の接続状態を
示すブロック図である。FIG. 4 is a block diagram showing a connection state between a power supply and a load by a switching control circuit.
【図５】 切換制御回路による電源と負荷の接続状態を
示すブロック図である。FIG. 5 is a block diagram showing a connection state between a power supply and a load by a switching control circuit.
【図６】 切換制御回路による電源と負荷の接続状態を
示すブロック図である。FIG. 6 is a block diagram showing a connection state between a power supply and a load by a switching control circuit.
【図７】 切換制御回路による電源と負荷の接続状態を
示すブロック図である。FIG. 7 is a block diagram showing a connection state between a power supply and a load by a switching control circuit.
１ 商用電力系統、２ 分電盤、３ 電流制御部、４
電流制限ブレーカ、５主幹漏電ブレーカ、６ 負荷スイ
ッチ、７ 負荷、８ 太陽電池、９ 停電用二次電池、
１０ インバータ、１１ インバータ用スイッチ、１２
太陽電池用スイッチ、１３ 逆流阻止ダイオード、１
４ 二次電池用スイッチ、１５ 連系用スイッチ、１６
受信器、１７ 連系遮断投入制御器、１８ ＣＴ、１
９ 逆潮流検出器、２０ ＣＴ、２１ 切換制御回路、
２２ ＡＣ−ＤＣコンバータ、２３ 二次電池充電器、
２４ 充電器用スイッチ、２５ ＡＣ−ＤＣコンバータ
用スイッチ、２６ スイッチアレイ、２７ 分流器、２
８ ＤＣ電源（コンセント）、２９ 接続箱、３０ 蓄
電池、３１ 蓄電池用スイッチ、３２ 過充電防止回
路、３３ ＤＣ−ＤＣコンバータ1 commercial power system, 2 distribution board, 3 current control unit, 4
Current limit breaker, 5 mains earth leakage breaker, 6 load switch, 7 load, 8 solar cell, 9 power failure secondary battery,
10 Inverter, 11 Inverter switch, 12
Switch for solar cell, 13 Backflow prevention diode, 1
4 Rechargeable battery switch, 15 Interconnection switch, 16
Receiver, 17 Interconnection cut-off controller, 18 CT, 1
9 reverse power flow detector, 20 CT, 21 switching control circuit,
22 AC-DC converter, 23 secondary battery charger,
24 switch for charger, 25 switch for AC-DC converter, 26 switch array, 27 shunt, 2
8 DC power supply (outlet), 29 connection box, 30 storage battery, 31 storage battery switch, 32 overcharge prevention circuit, 33 DC-DC converter
Claims (6)
所定の電圧に変換するＤＣ−ＤＣコンバータと、商用電
源の交流電圧を直流電圧に変換するＡＣ−ＤＣコンバー
タと、停電用二次電池と、充電される二次電池充電器
と、前記太陽電池発電時には太陽電池を、太陽電池が非
発電時には前記ＡＣ−ＤＣコンバータを前記二次電池充
電器に接続する切替制御回路と、商用電源停電時に前記
停電用二次電池の直流電力を商用電源の交流電圧に変換
するインバータとを備えたことを特徴とする太陽発電充
電システム。1. A solar cell, a DC-DC converter for converting a generated voltage of the solar cell into a predetermined voltage, an AC-DC converter for converting an AC voltage of a commercial power supply to a DC voltage, and a secondary battery for power failure A secondary battery charger to be charged; a switching control circuit for connecting the solar battery when the solar battery is generating power; and the AC-DC converter to the secondary battery charger when the solar battery is not generating power; An inverter for converting the DC power of the power outage secondary battery into an AC voltage of a commercial power supply.
子に設けられた複数のスイッチからなるスイッチアレイ
と、前記蓄電池の端子電圧を検出する電圧検出器と、こ
の電圧検出器からの電圧信号に応じて前記スイッチアレ
イを開放制御する制御部とを備えたことを特徴とする請
求項１記載の太陽発電充電システム。2. A storage battery comprising: a switch array including a solar cell and a plurality of switches provided at respective terminals of the storage battery; a voltage detector for detecting a terminal voltage of the storage battery; and a voltage signal from the voltage detector. 2. A solar power charging system according to claim 1, further comprising: a controller configured to control the opening of the switch array in accordance with the condition.
列には異種の蓄電池が接続されたものとし、行単位ある
いは列単位で逐次制御されることを特徴とする請求項２
記載の太陽発電充電システム。3. The switch array according to claim 2, wherein each row is connected to the same type of storage battery and each column is connected to a different type of storage battery, and is sequentially controlled in row units or column units.
The solar power charging system as described.
イクロコンピュータに入力することにより蓄電池用スイ
ッチを開放制御することにより充電表示器に表示するこ
とを特徴とする請求項１記載の太陽発電充電システム。4. The solar power generation system according to claim 1, wherein the state of charge is displayed on a charge indicator by inputting a signal of an overcharge prevention circuit to a microcomputer to open and control a storage battery switch. Charging system.
たことを特徴とする請求項１記載の太陽発電充電システ
ム。5. The solar power charging system according to claim 1, wherein a DC power outlet is provided for independent charging.
より、負荷の運転を行い、放電後には再充電を行う手段
を設けたことを特徴とする請求項１記載の太陽発電充電
システム。6. The solar power charging system according to claim 1, further comprising means for operating the load at the time of power failure by using the output power of the secondary battery for power failure and recharging after discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9215334A JPH1169659A (en) | 1997-08-08 | 1997-08-08 | Solar power generation and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9215334A JPH1169659A (en) | 1997-08-08 | 1997-08-08 | Solar power generation and charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1169659A true JPH1169659A (en) | 1999-03-09 |
Family
ID=16670584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9215334A Pending JPH1169659A (en) | 1997-08-08 | 1997-08-08 | Solar power generation and charging system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1169659A (en) |
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