JPS6420043U

JPS6420043U -

Info

Publication number: JPS6420043U
Application number: JP11196587U
Authority: JP
Priority date: 1987-07-23
Filing date: 1987-07-23
Publication date: 1989-01-31

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示すブロツク図
、第２図は第１図内の二次電池が全て直列接続さ
れたときのバツテリーアレイを示す回路図、第３
図は第１図内の一部の二次電池が並列接続された
ときのバツテリーアレイを示す回路図、第４図は
従来の光発電電源装置を示すブロツク図、第５図
は第４図内の太陽電池アレイの切換前の状態を示
すブロツク図、第６図は第４図内の太陽太池アレ
イの切換後の状態を示すブロツク図、第７図は太
陽電池アレイの出力と動作電圧との関係を示す特
性図、第８図は１個の二次電池の端子電圧と残留
電荷量との関係を示す特性図である。１……太陽電池アレイ、１ａ……太陽電池、２
……バツテリーアレイ、２ａ……二次電池、４…
…電圧検出器、７……制御部、８……スイツチア
レイ、ＶＡ……端子電圧、Ａ……電圧信号。尚、
図中、同一符号は同一又は相当部分を示す。 Fig. 1 is a block diagram showing one embodiment of this invention, Fig. 2 is a circuit diagram showing a battery array when all the secondary batteries in Fig. 1 are connected in series, and Fig. 3 is a circuit diagram showing a battery array when all the secondary batteries in Fig. 1 are connected in series.
The figure is a circuit diagram showing a battery array when some of the secondary batteries in Fig. 1 are connected in parallel, Fig. 4 is a block diagram showing a conventional photovoltaic power supply device, and Fig. 5 is in Fig. 4. Figure 6 is a block diagram showing the state of the solar array in Figure 4 before switching, Figure 7 is a block diagram showing the state of the solar array in Figure 4 before switching, and Figure 7 shows the output and operating voltage of the solar array. FIG. 8 is a characteristic diagram showing the relationship between the terminal voltage and the amount of residual charge of one secondary battery. 1...Solar cell array, 1a...Solar cell, 2
...Battery array, 2a...Secondary battery, 4...
...Voltage detector, 7...Control unit, 8...Switch array, VA...Terminal voltage, A...Voltage signal. still,
In the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Claims for Utility Model Registration] (1) A solar cell array consisting of a plurality of solar cells, a battery array consisting of a plurality of secondary batteries connected between the output terminals of the solar cell array, and a battery array consisting of a plurality of secondary batteries connected between the output terminals of the solar cell array; a switch array consisting of a plurality of switches provided at each terminal; a voltage detector that detects the terminal voltage of the battery array; and a control section that controls opening and closing of the switch array according to the voltage signal from the voltage detector. What is claimed is: 1. A photovoltaic power supply device comprising: a photovoltaic power supply device, characterized in that the number of series-connected secondary batteries in the battery array is changed based on the terminal voltage of the battery array. (2) The switch array is a practical device characterized by changing the number of series connections by connecting at least some of the secondary batteries in the battery array in parallel to other secondary batteries adjacent to the secondary battery. A photovoltaic power supply device according to claim 1 of the patent registration claim.