JPH04147U - - Google Patents
Info
- Publication number
- JPH04147U JPH04147U JP3993090U JP3993090U JPH04147U JP H04147 U JPH04147 U JP H04147U JP 3993090 U JP3993090 U JP 3993090U JP 3993090 U JP3993090 U JP 3993090U JP H04147 U JPH04147 U JP H04147U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- charging current
- battery
- charging
- detecting
- 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
- 238000007600 charging Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010280 constant potential charging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係るバツテリ充電器の実施例
を示す要部の回路図、第２図は従来のバツテリ充
電器の概略回路図、第３図は従来のバツテリ充電
器の要部の回路図、第４図はバツテリ充電器の充
電特性を示したグラフである。
１０……バツテリ、Ｒ１６……充電電流検出用
抵抗、Ｒ１１……出力電圧検出用抵抗、Ｒ１３…
…出力電圧検出用抵抗、ｉＣ２……コンパレータ
。
Fig. 1 is a circuit diagram of the main parts showing an embodiment of the battery charger according to the present invention, Fig. 2 is a schematic circuit diagram of a conventional battery charger, and Fig. 3 is a circuit diagram of the main parts of a conventional battery charger. 4 are graphs showing the charging characteristics of the battery charger. 10... Battery, R16... Resistor for charging current detection, R11... Resistor for output voltage detection, R13...
...Output voltage detection resistor, iC2...Comparator.
Claims (1)
で充電する手段と、充電電流検出用抵抗を有しバ
ツテリへの過充電を防止するための充電電流検知
手段と、該充電電流検知手段により検知した充電
電流を基に充電電圧を制御する手段を備えたバツ
テリ充電器において、バツテリ接続後の一定時間
定電圧充電を行なうための制御回路における出力
側を、基準電圧と、前記充電電流検出用抵抗を流
れる充電電流の変化によつて変化する電圧とを比
較するコンパレータの基準電圧側に接続したこと
を特徴とするバツテリ充電器。 A means for charging the battery at a stable voltage having a resistor for detecting an output voltage; a means for detecting a charging current having a resistor for detecting a charging current for preventing overcharging of the battery; In a battery charger equipped with means for controlling the charging voltage based on the charging current, the output side of the control circuit for performing constant voltage charging for a certain period of time after the battery is connected is connected to the reference voltage and the charging current detection resistor. A battery charger characterized in that the battery charger is connected to the reference voltage side of a comparator that compares the voltage that changes due to changes in the flowing charging current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3993090U JPH04147U (en) | 1990-04-13 | 1990-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3993090U JPH04147U (en) | 1990-04-13 | 1990-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04147U true JPH04147U (en) | 1992-01-06 |
Family
ID=31549272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3993090U Pending JPH04147U (en) | 1990-04-13 | 1990-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04147U (en) |
-
1990
- 1990-04-13 JP JP3993090U patent/JPH04147U/ja active Pending