JPS586546U - Battery charge/discharge level meter drive circuit - Google Patents
Battery charge/discharge level meter drive circuitInfo
- Publication number
- JPS586546U JPS586546U JP9909981U JP9909981U JPS586546U JP S586546 U JPS586546 U JP S586546U JP 9909981 U JP9909981 U JP 9909981U JP 9909981 U JP9909981 U JP 9909981U JP S586546 U JPS586546 U JP S586546U
- Authority
- JP
- Japan
- Prior art keywords
- current
- voltage
- charging
- battery
- level meter
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図１ま本考案の一実施例を表わす回路図である。
１・・・・・・メモリ、２−・、・・・・バッテリ、３
・・・・・・メモリ用電源、４・・・・・・バッテリ用
電源、５・・・・・・充電回路、７・・・・・・メータ
、Ｒ１，Ｒ２，Ｒ３・・・・・・抵抗、ＯＰ・・・・・
・差動増巾器、ＴＲ工・・・・・・トラ、ンジスタ、Ｒ
４，Ｒ６・・・・・・ □可変抵抗器。FIG. 1 is a circuit diagram showing one embodiment of the present invention. 1...Memory, 2-...Battery, 3
... Memory power supply, 4 ... Battery power supply, 5 ... Charging circuit, 7 ... Meter, R1, R2, R3 ...・Resistance, OP...
・Differential amplifier, TR engineering...Tora, Njistar, R
4, R6... □Variable resistor.
Claims (1)
回路と、 −−−−該差動増巾型出力を
トー２ンジスタのべ−３に供給し、該ベース電流の変化
によって生じるコレクタ・エミッタ間電圧を電流に変換
し、前記充電電流に実質上反比例する電流とする第１の
電圧−電流変換回路と、 バッテリ放電時にバッテリ電圧を電流に変換する第２の
電圧−電流変換回路と、− １個の電流感知のレベルメータと、 、充電時に
は第１の電圧−電流変換回路を、放電−，゛− Ｒｉｎｇよ第。ｍ＊ｒｘ−ｘ流変換。あ傭おＩｉ＜）Ｌ
ｉｌ−タに自動的に切換接続する廟換ス老ンチとを具備
してなるバッテリ充放電レベルメニタ駆動回路。 −
５[Claims for Utility Model Registration] A circuit for inputting charging current into a voltage differential amplifier when charging a battery; a first voltage-to-current conversion circuit that converts a collector-emitter voltage caused by a change in base current into a current that is substantially inversely proportional to the charging current; and a second voltage-to-current conversion circuit that converts the battery voltage into a current when the battery is discharged. a voltage-to-current conversion circuit; - one current-sensing level meter; and when charging, the first voltage-to-current conversion circuit is connected to the discharge ring. m*rx-x flow conversion. Oh, Ii<)L
A battery charging/discharging level monitor drive circuit comprising a switching switch that automatically switches and connects to an inverter. −
5
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909981U JPS586546U (en) | 1981-07-04 | 1981-07-04 | Battery charge/discharge level meter drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909981U JPS586546U (en) | 1981-07-04 | 1981-07-04 | Battery charge/discharge level meter drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS586546U true JPS586546U (en) | 1983-01-17 |
| JPS6330199Y2 JPS6330199Y2 (en) | 1988-08-12 |
Family
ID=29893840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9909981U Granted JPS586546U (en) | 1981-07-04 | 1981-07-04 | Battery charge/discharge level meter drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS586546U (en) |
-
1981
- 1981-07-04 JP JP9909981U patent/JPS586546U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6330199Y2 (en) | 1988-08-12 |
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