JPS5980831U - Backup power supply - Google Patents
Backup power supplyInfo
- Publication number
- JPS5980831U JPS5980831U JP17383382U JP17383382U JPS5980831U JP S5980831 U JPS5980831 U JP S5980831U JP 17383382 U JP17383382 U JP 17383382U JP 17383382 U JP17383382 U JP 17383382U JP S5980831 U JPS5980831 U JP S5980831U
- Authority
- JP
- Japan
- Prior art keywords
- output line
- power supply
- backup power
- transistor
- battery
- 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
Landscapes
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
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図はバッテリを用いた電源のバックアップ回路の従
来例を示す回路図、第２図はこの考案の一実施例を示す
回路図である。
Ｂ・・・バッテリ、Ｔｒｌ、Ｔｒ２・・・トランジスタ
、Ｌ・・・出力ライン、Ｄ、・・・ダイオード。FIG. 1 is a circuit diagram showing a conventional example of a backup circuit for a power source using a battery, and FIG. 2 is a circuit diagram showing an embodiment of this invention. B...Battery, Trl, Tr2...Transistor, L...Output line, D...Diode.
Claims (1)
る出力ラインに抵抗を介してバックアップ用のバッテリ
の一方の端子を接続する六ともに、該バッテリの上記一
方の端子と上記出力ラインとの間にトランジスタのコレ
クタとエミッタとを接続し、かつ上記出力ラインをダイ
オードを介して上記トランジスタのベースに接続して、
商用電源の停電時にバッテリの電圧が上記トランジスタ
を介して上記出力ラインに印加されるようにしたことを
特徴とするバックアップ用電源装置。One terminal of a backup battery is connected via a resistor to an output line to which a predetermined DC voltage is applied when the commercial power source is healthy, and one terminal of the battery is connected to the output line. connecting the collector and emitter of the transistor in between, and connecting the output line to the base of the transistor via a diode,
A backup power supply device characterized in that a battery voltage is applied to the output line via the transistor during a power outage of the commercial power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17383382U JPS5980831U (en) | 1982-11-16 | 1982-11-16 | Backup power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17383382U JPS5980831U (en) | 1982-11-16 | 1982-11-16 | Backup power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5980831U true JPS5980831U (en) | 1984-05-31 |
Family
ID=30378587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17383382U Pending JPS5980831U (en) | 1982-11-16 | 1982-11-16 | Backup power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5980831U (en) |
-
1982
- 1982-11-16 JP JP17383382U patent/JPS5980831U/en active Pending
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