JP2881310B2 - Solar cell module - Google Patents
Solar cell moduleInfo
- Publication number
- JP2881310B2 JP2881310B2 JP1130930A JP13093089A JP2881310B2 JP 2881310 B2 JP2881310 B2 JP 2881310B2 JP 1130930 A JP1130930 A JP 1130930A JP 13093089 A JP13093089 A JP 13093089A JP 2881310 B2 JP2881310 B2 JP 2881310B2
- Authority
- JP
- Japan
- Prior art keywords
- solar cell
- series
- voltage
- block
- cell module
- 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.)
- Expired - Fee Related
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
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、出力電圧及び出力電流を多段階に変更でき
るようにした太陽電池モジュールに関するものである。Description: TECHNICAL FIELD The present invention relates to a solar cell module capable of changing an output voltage and an output current in multiple stages.
（従来の技術） 蓄電池充電用又は直流駆動機器の外部電源として太陽
電池モジュールが使用される場合がある。通常、複数の
太陽電池素子を直列に接続して所定の電圧を得る。例え
ば、12V系の蓄電池充電に使用するには、太陽電池素子
を32〜36枚直列に接続したモジュールが必要とされる。
従って、充電に用いられる蓄電池及び負荷として用いら
れる機器の電圧その他の仕様に適合した、それぞれに専
用の太陽電池モジュールを選択している。第８図はその
一例であって、所要の数の太陽電池素子３−1,3−２…
が、直列に接続されている。端子T1,T2が蓄電池又は負
荷に接続される。(Prior Art) In some cases, a solar cell module is used as a power source for charging a storage battery or as an external power source of a DC drive device. Usually, a predetermined voltage is obtained by connecting a plurality of solar cell elements in series. For example, a module in which 32 to 36 solar cell elements are connected in series is required for use in charging a 12V storage battery.
Therefore, a dedicated solar cell module is selected which is compatible with the voltage and other specifications of the storage battery used for charging and the device used as the load. FIG. 8 shows an example of this, in which the required number of solar cell elements 3-1, 3-2,.
Are connected in series. Terminals T1 and T2 are connected to a storage battery or a load.
また、汎用電源として複数の電圧を得るには、第４図
に示されるように、端子T1とT2の間に太陽電池素子４−
１…４−ｍをｍ個直列に接続し、その中間の太陽電池４
−ｎと太陽電池素子４−（ｎ＋１）の中間から端子T3を
経て電圧を取り出すことができる。任意の点から出力端
子を引き出すことにより、任意の電圧を得ることができ
る。Further, in order to obtain a plurality of voltages as a general-purpose power supply, as shown in FIG. 4, the solar cell element 4- is connected between terminals T1 and T2.
1,... 4-m are connected in series, and an intermediate solar cell 4
A voltage can be taken out from between the -n and the solar cell element 4- (n + 1) via the terminal T3. An arbitrary voltage can be obtained by extracting an output terminal from an arbitrary point.
（発明が解決しようとする課題） 第３図のような装置の場合は、それぞれの負荷や蓄電
池毎に専用の特定の電圧を有する太陽電池モジュールを
用意しなければならない。(Problem to be Solved by the Invention) In the case of the device as shown in FIG. 3, it is necessary to prepare a solar cell module having a specific voltage dedicated for each load or storage battery.
また、第４図のような装置においては、電流が一定で
あり、電圧を下げると出力電力も同時に減少する。Further, in the device as shown in FIG. 4, the current is constant, and the output power decreases at the same time as the voltage is reduced.
（課題を解決するための手段） 本発明は前述の課題を解決するため、複数の太陽電池
素子を直列に接続したブロックを複数個配列し、各ブロ
ックの接続を切替スイッチにより変更できるようにし
た。(Means for Solving the Problems) In order to solve the above-described problems, the present invention arranges a plurality of blocks in which a plurality of solar cell elements are connected in series, and the connection of each block can be changed by a changeover switch. .
（作用） 本発明によれば、切替スイッチにより、太陽電池素子
を複数個直列に接続したブロックの組合せを、適宜変更
して接続できるから、多段階の電圧、電流を得ることが
できる。(Operation) According to the present invention, a combination of blocks in which a plurality of solar cell elements are connected in series can be appropriately changed and connected by the changeover switch, so that multi-step voltage and current can be obtained.
（実施例） 第１図は参考例であって、例えば直径４インチの太陽
電池素子32個によって構成されており、各16個の太陽電
池素子よりなる第１の太陽電池ブロック１と、第２の太
陽電池ブロック２に分割され、これらを直列または並列
に切替えて接続する２極のスイッチSWを備えている。ス
イッチSWを端子Ａ側に倒すと、太陽電池ブロック１のマ
イナス側が、太陽電池ブロック２のプラス側に接続され
直列となり、スイッチSWを端子Ｂ側に倒すと、太陽電池
ブロック１のマイナス側が端子T2に接続され、太陽電池
ブロック２のプラス側が端子T1に接続され、両ブロック
は並列に接続されるように配線される。(Embodiment) FIG. 1 is a reference example, which is composed of, for example, 32 solar cell elements each having a diameter of 4 inches, a first solar cell block 1 including 16 solar cell elements, and a second solar cell block. , And is provided with a two-pole switch SW for connecting these by switching them in series or in parallel. When the switch SW is turned to the terminal A side, the negative side of the solar cell block 1 is connected to the positive side of the solar cell block 2 and is connected in series. When the switch SW is turned to the terminal B side, the negative side of the solar cell block 1 is connected to the terminal T2. And the positive side of the solar cell block 2 is connected to the terminal T1, and both blocks are wired so as to be connected in parallel.
太陽電池素子１個の出力電圧を0.45Vとすると、82個
を直列に接続の場合は合計14.4Vとなり、12V系の蓄電池
に充電が可能である。Assuming that the output voltage of one solar cell element is 0.45 V, a total of 14.4 V is obtained when 82 solar cells are connected in series, and a 12 V storage battery can be charged.
各16個の２ブロックに分割し、単位ブロックの出力電
流を2.5A（直径４インチの太陽電池素子の出力電流値）
とすると、第１図のように直並列に切替えるとき、以下
の第１表に示されるように２種類の出力が得られる。Divided into 2 blocks of 16 each, and the output current of the unit block is 2.5A (output current value of solar cell element with 4 inch diameter)
Then, when switching in series / parallel as shown in FIG. 1, two types of outputs are obtained as shown in Table 1 below.
上の表に明らかなように、出力電圧が1/2になったと
き出力電流は２倍となり、出力電力は減少しない。 As is apparent from the above table, when the output voltage is reduced by half, the output current is doubled, and the output power is not reduced.
第２図は本発明の一実施例であって、この場合は第１
乃至第４の太陽電池ブロック11,12,13及び14から構成さ
れ、太陽電池ブロック11と太陽電池ブロック12との間に
はスイッチSW1、太陽電池ブロック12と太陽電池ブロッ
ク13との間にはスイッチSW2、太陽電池ブロック13と太
陽電池ブロック14との間にはスイッチSW3が設けられて
いる。各スイッチA,B,Cは３種の状態を有しＡ状態は並
列、Ｂ状態は開放、Ｃ状態は直列接続モードとなるよう
に配線されている。FIG. 2 shows an embodiment of the present invention.
To a fourth solar cell block 11, 12, 13 and 14, a switch SW1 is provided between the solar cell block 11 and the solar cell block 12, and a switch is provided between the solar cell block 12 and the solar cell block 13. SW2, a switch SW3 is provided between the solar cell block 13 and the solar cell block 14. Each of the switches A, B, and C has three types of states, and is wired so that the A state is parallel, the B state is open, and the C state is a series connection mode.
従って、これらのスイッチSW1,SW2,SW3のそれぞれの
A,B,Cの状態を組合せることにより、下記の６通りの電
圧，電流の組合せが実現できる。すなわち、１ブロック
当りの電流を2.5A,出力電圧を3Vとすると、次の第２表
のように、モジュール全体として出力電圧が3V,6V,12V,
出力電流が2.5A,5A,10A（但し最大出力電力は30W以下）
の選択が可能となる。Therefore, each of these switches SW1, SW2, SW3
By combining the states of A, B, and C, the following six combinations of voltage and current can be realized. That is, assuming that the current per block is 2.5 A and the output voltage is 3 V, as shown in Table 2 below, the output voltage of the entire module is 3 V, 6 V, 12 V,
Output current is 2.5A, 5A, 10A (however, maximum output power is 30W or less)
Can be selected.
上記の実施例においては、各ブロックは太陽電池素子
が直列に一列だけになっているが、所望の電流を得るた
めには直列のものを数個並列にすることも可能である。
１ブロック当りの直列の太陽電池素子の数を増減するこ
とにより、出力電圧を調節することが可能であり、ま
た、ブロック数及びスイッチ数を増加させることによ
り、電圧，電流の切替え範囲を増加させることができ
る。スイッチは各図においては、２極のものを使用した
場合について述べているが、他の形式のスイッチも使用
できる。 In the above embodiment, each block has only one row of solar cell elements in series. However, in order to obtain a desired current, several series elements can be arranged in parallel.
The output voltage can be adjusted by increasing or decreasing the number of solar cell elements in series per one block, and the switching range of voltage and current is increased by increasing the number of blocks and the number of switches. be able to. Although each figure describes the case where a two-pole switch is used, other types of switches can be used.
（発明の効果） 本発明は、以上のような構造であるから、複数個の太
陽電池素子のブロックを切替えスイッチで接続し、その
切替えによって各ブロックの接続を直列又は並列に変更
できるから、出力電圧，出力電流を段階的に変換でき
る。また、出力電圧を低下させても、出力電力を低下さ
せないことが可能である。(Effects of the Invention) Since the present invention has the above-described structure, a plurality of solar cell element blocks can be connected by a changeover switch, and the connection of each block can be changed in series or in parallel by the changeover, so that the output can be changed. Voltage and output current can be converted stepwise. Further, even if the output voltage is reduced, it is possible to keep the output power from decreasing.
第１図は参考例の回路図、第２図は本発明の一実施例の
回路図、第３図は従来の一例の回路図、第４図は従来の
他の例の回路図である。 1,2,11,12,13,14……太陽電池ブロック SW,SW1,SW2,SW3……スイッチ1 is a circuit diagram of a reference example, FIG. 2 is a circuit diagram of one embodiment of the present invention, FIG. 3 is a circuit diagram of one example of the related art, and FIG. 4 is a circuit diagram of another example of the related art. 1,2,11,12,13,14 …… Solar cell block SW, SW1, SW2, SW3 …… Switch
Claims (1)
なくとも４列のブロックと、各ブロックの間に配置した
並列，開放，直列接続モードとなる少なくとも３個のス
イッチにより構成され、各スイッチのモードの組合せに
より３種類以上の電圧と電流の組合せが得られるように
した太陽電池モジュール。1. A switch comprising at least four rows of blocks in which a plurality of solar cell elements are connected in series, and at least three switches arranged between the blocks in a parallel, open, and series connection mode. A solar cell module in which three or more combinations of voltage and current can be obtained by a combination of the above modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1130930A JP2881310B2 (en) | 1989-05-23 | 1989-05-23 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1130930A JP2881310B2 (en) | 1989-05-23 | 1989-05-23 | Solar cell module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02308574A JPH02308574A (en) | 1990-12-21 |
| JP2881310B2 true JP2881310B2 (en) | 1999-04-12 |
Family
ID=15046041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1130930A Expired - Fee Related JP2881310B2 (en) | 1989-05-23 | 1989-05-23 | Solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2881310B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06334208A (en) * | 1993-05-19 | 1994-12-02 | Nec Corp | Solar power plant |
| JP3700809B2 (en) * | 1997-09-29 | 2005-09-28 | 積水樹脂株式会社 | Solar cell device |
| KR20000019144A (en) * | 1998-09-09 | 2000-04-06 | 이수근 | Portable multi-power device using solar battery |
| JP2011129827A (en) * | 2009-12-21 | 2011-06-30 | Sharp Corp | Solar cell system |
| JP2012256728A (en) * | 2011-06-09 | 2012-12-27 | Mitsubishi Electric Corp | Solar cell module |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5247693A (en) * | 1975-10-15 | 1977-04-15 | Nippon Telegr & Teleph Corp <Ntt> | Solar cell power supply device |
| JPS54133094A (en) * | 1978-04-07 | 1979-10-16 | Canon Inc | Power supply system using solar cells |
| JPS5952650U (en) * | 1982-09-29 | 1984-04-06 | カシオ計算機株式会社 | Electronic equipment with solar cells |
-
1989
- 1989-05-23 JP JP1130930A patent/JP2881310B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02308574A (en) | 1990-12-21 |
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