JPS6447529U - - Google Patents
Info
- Publication number
- JPS6447529U JPS6447529U JP14156487U JP14156487U JPS6447529U JP S6447529 U JPS6447529 U JP S6447529U JP 14156487 U JP14156487 U JP 14156487U JP 14156487 U JP14156487 U JP 14156487U JP S6447529 U JPS6447529 U JP S6447529U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- voltage
- circuit
- charging
- charged
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の電池充電装置の一実施例を示
すブロツク図、第２図は従来例の電池充電装置の
ブロツク図、第３図は過放電状態の電池の本実施
例の充電特性図、第４図は通常放電状態の電池の
充電特性図、第５図は過放電状態の電池の急速充
電の特性図である。
１……定電流回路、２ａ……入力端子、２ｂ…
…出力端子、３……初期電圧検出回路、４……タ
イマー回路、５……充電制御回路、６……−△Ｖ
検出回路、８……単電池、９……電池パツク。
Fig. 1 is a block diagram showing an embodiment of the battery charging device of the present invention, Fig. 2 is a block diagram of a conventional battery charging device, and Fig. 3 is a charging characteristic diagram of this embodiment for a battery in an over-discharged state. , FIG. 4 is a charging characteristic diagram of a battery in a normally discharged state, and FIG. 5 is a characteristic diagram of rapid charging of a battery in an overdischarged state. 1... Constant current circuit, 2a... Input terminal, 2b...
...Output terminal, 3...Initial voltage detection circuit, 4...Timer circuit, 5...Charging control circuit, 6...-△V
Detection circuit, 8... single battery, 9... battery pack.
Claims (1)
定電流回路と、充電される電池の電圧を入力し、
所定の電圧降下を検出する電圧降下検出回路を有
し、急速充電モードの定電流回路から充電される
電池が充電末期に現わす電圧降下を電圧降下回路
により検出する電池充電装置において、充電され
る前記電池の電圧を入力し、所定電圧以下である
と出力を発生する初期電圧検出回路と、初期電圧
検出回路の出力により所定期間出力を発生するタ
イマー回路と、タイマー回路の出力期間中、前記
定電流回路を普通充電モードに切換える充電制御
回路とを具備することを特徴とする電池充電装置
。 Input the constant current circuit where quick charging mode and normal charging mode are set, and the voltage of the battery to be charged.
A battery charging device that has a voltage drop detection circuit that detects a predetermined voltage drop, and that detects a voltage drop that appears at the end of charging when a battery is charged from a constant current circuit in a fast charging mode, is charged. an initial voltage detection circuit that inputs the voltage of the battery and generates an output when the voltage is below a predetermined voltage; a timer circuit that generates an output for a predetermined period based on the output of the initial voltage detection circuit; A battery charging device comprising: a charging control circuit that switches a current circuit to a normal charging mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14156487U JPS6447529U (en) | 1987-09-18 | 1987-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14156487U JPS6447529U (en) | 1987-09-18 | 1987-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6447529U true JPS6447529U (en) | 1989-03-23 |
Family
ID=31406739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14156487U Pending JPS6447529U (en) | 1987-09-18 | 1987-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04125036A (en) * | 1990-09-13 | 1992-04-24 | Canon Inc | Charging equipment |
-
1987
- 1987-09-18 JP JP14156487U patent/JPS6447529U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04125036A (en) * | 1990-09-13 | 1992-04-24 | Canon Inc | Charging equipment |
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