JPH01162739U - - Google Patents
Info
- Publication number
- JPH01162739U JPH01162739U JP5906088U JP5906088U JPH01162739U JP H01162739 U JPH01162739 U JP H01162739U JP 5906088 U JP5906088 U JP 5906088U JP 5906088 U JP5906088 U JP 5906088U JP H01162739 U JPH01162739 U JP H01162739U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- reset
- supplied
- storage battery
- power
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案による蓄電池の充電回路の一実
施例を示す回路図、第２図は第１図の動作を説明
するためのタイミングチヤート、第３図は従来の
蓄電池の充電回路の一例を示す回路図である。
２……ＡＣアダプタ、４……定電流回路、５…
…タイマ回路、６……リセツト回路、８……ＤＣ
／ＤＣコンバータ、１０……電源スイツチ、１１
……ＣＰＵ本体、１２，１２′……蓄電池、１５
……蓄電池の充電回路、１６……タイマ、１７…
…時間設定回路、１９……蓄電池の充電回路、２
０……オア回路。
Fig. 1 is a circuit diagram showing an embodiment of a storage battery charging circuit according to the present invention, Fig. 2 is a timing chart for explaining the operation of Fig. 1, and Fig. 3 is an example of a conventional storage battery charging circuit. FIG. 2...AC adapter, 4...constant current circuit, 5...
...Timer circuit, 6...Reset circuit, 8...DC
/DC converter, 10...Power switch, 11
...CPU main body, 12, 12'...Storage battery, 15
...Storage battery charging circuit, 16...Timer, 17...
...Time setting circuit, 19...Storage battery charging circuit, 2
0...OR circuit.
Claims (1)
第１のリセツト信号を送出するリセツト回路と、
一方の入力端には前記リセツト回路からの第１の
リセツト信号が供給され、かつ他方の入力端には
蓄電池非接続の状態のとき第２のリセツト信号が
供給されるオア回路と、前記ＡＣアダプタからの
直流電源が供給されている時、前記オア回路の出
力によりリセツトされ、リセツト解除後タイマ動
作を開始し、所定の設定時間になると電流切替信
号を送出するタイマと、前記ＡＣアダプタからの
直流電源にもとづき出力端側に接続される蓄電池
に対して通常充電を行い、前記タイマから前記電
流切替信号が供給されると前記蓄電池に対してト
リクル充電を行う定電流回路とを備えてなること
を特徴とする蓄電池の充電回路。 a reset circuit that sends out a first reset signal when DC power is supplied via the AC adapter;
an OR circuit to which one input terminal is supplied with a first reset signal from the reset circuit and the other input terminal is supplied with a second reset signal when the storage battery is not connected; When DC power is supplied from the AC adapter, the timer is reset by the output of the OR circuit, starts timer operation after the reset is released, and sends out a current switching signal when a predetermined set time is reached, and the DC power from the AC adapter. and a constant current circuit that normally charges the storage battery connected to the output end based on the power source, and trickle charges the storage battery when the current switching signal is supplied from the timer. Characteristic storage battery charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5906088U JPH01162739U (en) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5906088U JPH01162739U (en) | 1988-04-30 | 1988-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162739U true JPH01162739U (en) | 1989-11-13 |
Family
ID=31284848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5906088U Pending JPH01162739U (en) | 1988-04-30 | 1988-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06197475A (en) * | 1992-12-25 | 1994-07-15 | Pfu Ltd | Charging circuit |
-
1988
- 1988-04-30 JP JP5906088U patent/JPH01162739U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06197475A (en) * | 1992-12-25 | 1994-07-15 | Pfu Ltd | Charging circuit |