JPH05284669A - Charger of solar cell - Google Patents
Charger of solar cellInfo
- Publication number
- JPH05284669A JPH05284669A JP4077323A JP7732392A JPH05284669A JP H05284669 A JPH05284669 A JP H05284669A JP 4077323 A JP4077323 A JP 4077323A JP 7732392 A JP7732392 A JP 7732392A JP H05284669 A JPH05284669 A JP H05284669A
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- solar cell
- battery
- temperature
- control circuit
- 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
- 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
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Control Of Electrical Variables (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は太陽電池からの電力を充
電する装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for charging electric power from a solar cell.
【０００２】[0002]
【従来の技術】従来、太陽電池が発電した電力の充電装
置は図３に示したように、太陽電池１１、蓄電池１２、
充電制御回路１３及び電源切換スイッチ１４からなり、
太陽電池１１から発電された電力は、蓄電池１２で蓄
え、蓄電池１２の温度が所定値以上になった場合、この
蓄電池１２への充電状態を充電制御回路１３からの信号
によって、電源切換スイッチ１４をＯＦＦにして制御し
ている。１５、１５は負荷（図示せず）への給電を行う
出力端子である。2. Description of the Related Art Conventionally, a charging device for electric power generated by a solar cell is shown in FIG.
It consists of a charging control circuit 13 and a power source changeover switch 14,
The electric power generated from the solar cell 11 is stored in the storage battery 12, and when the temperature of the storage battery 12 becomes equal to or higher than a predetermined value, the charging state of the storage battery 12 is controlled by a signal from the charge control circuit 13 to turn on the power source changeover switch 14. It is turned off and controlled. Reference numerals 15 and 15 are output terminals for supplying power to a load (not shown).
【０００３】このように一般に蓄電池１２への充電が完
了すると、その蓄電池１２の温度が上昇することは良く
知られており、図３の従来の構成もこの現象を利用した
ものである。As described above, it is well known that the temperature of the storage battery 12 generally rises when the storage battery 12 is completely charged, and the conventional configuration of FIG. 3 also utilizes this phenomenon.
【０００４】[0004]
【発明が解決しようとする課題】ところが、上記した太
陽電池の充電装置は満充電域に達すると、満充電した後
の太陽電池の発電電力を無駄にしていた。さらに、蓄電
池自体の温度が下がりにくく、満充電直後に出力端子か
ら大きな電力が取り出されて蓄電池の充電量が減ってき
ても電池自体の温度が高い状態のままで短時間では再び
充電できないといった問題点があった。However, when the above-mentioned solar battery charging device reaches the full charge range, the power generated by the solar battery after being fully charged is wasted. Furthermore, the temperature of the storage battery itself does not easily drop, and even if a large amount of power is taken out from the output terminal immediately after full charge and the amount of charge in the storage battery decreases, the temperature of the battery itself remains high and it cannot be charged again in a short time. There was a point.
【０００５】[0005]
【課題を解決するための手段】本発明はこのような課題
を解決するために為されたものであって、太陽光を受光
すると発電する太陽電池と、太陽電池にて発電した電力
を蓄える蓄電池と、太陽電池から蓄電池への充電状態を
制御する充電制御回路と、蓄電池を冷却する送風手段と
から成り、充電制御回路は蓄電池の温度から、その蓄電
池の充電状態を知り、その蓄電池の温度が所定値以上に
なった時に、太陽電池からの電力を送風手段へ供給して
蓄電池を冷却している。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and is a solar cell that generates power when receiving sunlight, and a storage battery that stores the power generated by the solar cell. And a charging control circuit that controls the state of charge from the solar cell to the storage battery and a blowing unit that cools the storage battery.The charging control circuit knows the state of charge of the storage battery from the temperature of the storage battery, and the temperature of the storage battery is When the value exceeds a predetermined value, the electric power from the solar cell is supplied to the blowing means to cool the storage battery.
【０００６】[0006]
【作用】本発明によれば、蓄電池の温度が高温になった
時、蓄電池が充電制御回路により満充電と判断され、太
陽電池の電力を無駄にすることなく、送風手段を作動さ
せることができ、さらに、この送風手段は高温状態の蓄
電池を短時間で冷却し、蓄電池への急速な充電へ対応す
ることができる。According to the present invention, when the temperature of the storage battery becomes high, the storage battery determines that the storage battery is fully charged, and the blowing means can be operated without wasting the solar cell power. Furthermore, this air blowing unit can cool the storage battery in a high temperature state in a short time, and can cope with rapid charging of the storage battery.
【０００７】[0007]
【実施例】以下、本発明の一実施例を図面を用いて詳細
に説明する。図１は本発明による太陽電池の充電装置の
回路図である。１は太陽電池で、例えば８Ｖ、１５Ａの
発電出力を持っている。２は７.２Ｖ、１０Ａｈのニッ
カド電池を用いた蓄電池である。３は充電制御回路で蓄
電池２の充電状態を温度により制御するものである。
４、４は負荷（図示せず）への給電を行う出力端子であ
る。５は蓄電池２を冷却するための送風手段で、具体的
には６Ｖ、１.３３Ａのファンにて構成されており、蓄
電池２が満充電域に達した場合、切換スイッチ６によ
り、太陽電池１からの電力が供給されて駆動される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a circuit diagram of a solar cell charging device according to the present invention. A solar cell 1 has a power generation output of 8 V and 15 A, for example. 2 is a storage battery using a 7.2 V, 10 Ah NiCd battery. A charge control circuit 3 controls the charge state of the storage battery 2 by temperature.
Reference numerals 4 and 4 are output terminals for supplying power to a load (not shown). Reference numeral 5 is a blower for cooling the storage battery 2, which is specifically configured by a fan of 6V and 1.33A. When the storage battery 2 reaches the full charge range, the changeover switch 6 is used to switch the solar battery 1 It is driven by being supplied with electric power from.
【０００８】この回路において、太陽電池１に太陽光が
照射されると、この太陽電池１は発電を行い、この発電
した電力はスイッチ６を介して、蓄電池２に供給され、
充電される。蓄電池２への給電が継続され、満充電状態
に近づくと、その蓄電池２の温度は上昇し、その温度上
昇を受けて、充電制御回路３は切換スイッチ６を送風手
段５側へ切り換えて、蓄電池２の充電を停止させ、送風
手段５を駆動させる。このように送風手段５を蓄電池２
に冷却するように駆動させることにより高温状態であっ
た蓄電池２は短時間に冷却でき、蓄電池の充電量が減少
した場合も急速に充電を行うことができる。In this circuit, when the solar cell 1 is irradiated with sunlight, the solar cell 1 generates electric power, and the generated electric power is supplied to the storage battery 2 via the switch 6.
Be charged. When the power supply to the storage battery 2 is continued and approaches a fully charged state, the temperature of the storage battery 2 rises, and in response to the temperature rise, the charging control circuit 3 switches the changeover switch 6 to the blower means 5 side, and the storage battery 2 The charging of No. 2 is stopped and the blower unit 5 is driven. In this way, the air blower 5 is connected to the storage battery 2
By driving so as to cool the storage battery 2 in a high temperature state, the storage battery 2 can be cooled in a short time and can be rapidly charged even when the charge amount of the storage battery decreases.
【０００９】図２は、太陽電池１において発電した約１
２０Ｗの電力を蓄電池２に１５Ａ（１．５ｃ）で充電さ
せ、電池温度が約５０℃になった時に充電停止させ、電
池温度が約４０℃の充電可能な温度に下がるまでの、送
風手段５の有無による時間を調べた特性図であり、電池
温度約５０℃で充電停止後の送風手段５を取り付けない
場合では８５分、本発明の送風手段５を取り付けた場合
で３５分の所要時間で約４０℃となり、この図において
も送風手段５を取り付けた場合において、短時間で、蓄
電池２は冷却でき充電可能となることがわかる。FIG. 2 shows about 1 power generated by the solar cell 1.
Blower means 5 for charging the storage battery 2 with 15 A (1.5 c) of 20 W of electric power, stopping the charging when the battery temperature reaches about 50 ° C., and lowering the battery temperature to a chargeable temperature of about 40 ° C. FIG. 13 is a characteristic diagram in which the time depending on the presence / absence of the battery is examined. It takes 85 minutes when the blowing means 5 is not attached after charging is stopped at the battery temperature of about 50 ° C., and 35 minutes when the blowing means 5 of the present invention is attached. It becomes about 40 ° C., and it can be seen that the storage battery 2 can be cooled and can be charged in a short time when the blowing means 5 is attached also in this figure.
【００１０】[0010]
【発明の効果】本発明によれば、太陽光を受光すると発
電する太陽電池と、太陽電池にて発電した電力を蓄える
蓄電池と、太陽電池から蓄電池への充電状態を制御する
充電制御回路と、蓄電池を冷却する送風手段とから成
り、充電制御回路は蓄電池の温度から、その蓄電池の充
電状態を知り、蓄電池の温度が所定値以上になった時
に、太陽電池からの電力を送風手段へ供給して蓄電池を
冷却しているので、蓄電池の温度が高温になった時、蓄
電池が充電制御回路により満充電と判断され、太陽電池
の電力を無駄にすることなく、送風手段を作動させるこ
とができ、この送風手段は高温状態の蓄電池を短時間で
冷却し、蓄電池への急速な充電へ対応することができ
る。According to the present invention, a solar cell that generates power when receiving sunlight, a storage battery that stores the power generated by the solar cell, and a charge control circuit that controls the state of charge from the solar cell to the storage battery. The charging control circuit knows the state of charge of the storage battery from the temperature of the storage battery, and supplies the power from the solar cell to the blowing device when the temperature of the storage battery exceeds a predetermined value. Since the storage battery is cooled by the battery, when the temperature of the storage battery becomes high, the charging control circuit determines that the storage battery is fully charged, and the air blower can be operated without wasting the solar cell power. The air blowing unit can cool the high temperature storage battery in a short time and can cope with rapid charging of the storage battery.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明太陽電池の充電装置の回路図である。FIG. 1 is a circuit diagram of a solar cell charging device of the present invention.
【図２】本発明太陽電池の充電装置の特性図である。FIG. 2 is a characteristic diagram of a solar cell charging device of the present invention.
【図３】本発明太陽電池の充電装置の従来例を示した回
路図である。FIG. 3 is a circuit diagram showing a conventional example of a solar cell charging device of the present invention.
【符号の説明】 １ 太陽電池 ２ 蓄電池 ３ 充電制御回路 ５ 送風手段[Explanation of reference numerals] 1 solar cell 2 storage battery 3 charging control circuit 5 blower means
Claims (1)
と、該太陽電池にて発電した電力を蓄える蓄電池と、上
記太陽電池から蓄電池への充電状態を制御する充電制御
回路と、上記蓄電池を冷却する送風手段と、から成り、
上記充電制御回路は蓄電池の温度から、その蓄電池の充
電状態を知り、その蓄電池の温度が所定値以上になった
時に、上記太陽電池からの電力を送風手段へ供給して蓄
電池を冷却せしめる太陽電池の充電装置。1. A solar cell that generates power when receiving sunlight, a storage battery that stores the power generated by the solar cell, a charge control circuit that controls the state of charge from the solar cell to the storage battery, and a cooling of the storage battery. And a blowing means for
The charge control circuit knows the charge state of the storage battery from the temperature of the storage battery, and when the temperature of the storage battery becomes a predetermined value or more, a solar battery for supplying electric power from the solar battery to the blowing means to cool the storage battery. Charging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4077323A JPH05284669A (en) | 1992-03-31 | 1992-03-31 | Charger of solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4077323A JPH05284669A (en) | 1992-03-31 | 1992-03-31 | Charger of solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05284669A true JPH05284669A (en) | 1993-10-29 |
Family
ID=13630732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4077323A Pending JPH05284669A (en) | 1992-03-31 | 1992-03-31 | Charger of solar cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05284669A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000102192A (en) * | 1998-09-24 | 2000-04-07 | Nippon Telegr & Teleph Corp <Ntt> | Standalone photovoltaic power generation system |
| WO2011093326A1 (en) * | 2010-01-28 | 2011-08-04 | 三洋電機株式会社 | Solar cell power supply |
| WO2011118627A1 (en) * | 2010-03-24 | 2011-09-29 | 三洋電機株式会社 | Power supply system |
| WO2011118606A1 (en) * | 2010-03-24 | 2011-09-29 | 三洋電機株式会社 | Power supply system |
-
1992
- 1992-03-31 JP JP4077323A patent/JPH05284669A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000102192A (en) * | 1998-09-24 | 2000-04-07 | Nippon Telegr & Teleph Corp <Ntt> | Standalone photovoltaic power generation system |
| WO2011093326A1 (en) * | 2010-01-28 | 2011-08-04 | 三洋電機株式会社 | Solar cell power supply |
| JP2011155232A (en) * | 2010-01-28 | 2011-08-11 | Sanyo Electric Co Ltd | Solar cell power-supply device |
| JP2012165008A (en) * | 2010-01-28 | 2012-08-30 | Sanyo Electric Co Ltd | Solar cell power supply device |
| WO2011118627A1 (en) * | 2010-03-24 | 2011-09-29 | 三洋電機株式会社 | Power supply system |
| WO2011118606A1 (en) * | 2010-03-24 | 2011-09-29 | 三洋電機株式会社 | Power supply system |
| JP5796189B2 (en) * | 2010-03-24 | 2015-10-21 | パナソニックＩｐマネジメント株式会社 | Power supply system |
| US9172247B2 (en) | 2010-03-24 | 2015-10-27 | Panasonic Intellectual Property Management Co., Ltd. | Power supply system with controlled power storage |
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