JPS5972851U - Backup power supply switching circuit - Google Patents
Backup power supply switching circuitInfo
- Publication number
- JPS5972851U JPS5972851U JP16841482U JP16841482U JPS5972851U JP S5972851 U JPS5972851 U JP S5972851U JP 16841482 U JP16841482 U JP 16841482U JP 16841482 U JP16841482 U JP 16841482U JP S5972851 U JPS5972851 U JP S5972851U
- Authority
- JP
- Japan
- Prior art keywords
- backup power
- power supply
- supply switching
- switching circuit
- power source
- 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
- Stand-By Power Supply Arrangements (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図と第２図はそれぞれ従来のバックアップ電源切換
回路の構成図、第３図は本考案によるバックアップ電源
切換回路の一実施例の構成図である。
１・・・入力端子、３・・・バックアップ電源、４・・
・出力端子、８・・・電圧検出回路、９・・・励磁巻線
、１０゜１１・・・リレー接点、１２・・・トランジス
タ〔半導体スイッチ手段〕。FIGS. 1 and 2 are block diagrams of conventional backup power switching circuits, respectively, and FIG. 3 is a block diagram of an embodiment of the backup power switching circuit according to the present invention. 1...Input terminal, 3...Backup power supply, 4...
- Output terminal, 8... Voltage detection circuit, 9... Excitation winding, 10° 11... Relay contact, 12... Transistor [semiconductor switch means].
Claims (1)
チ等の機械式接点によって前記主電源側からバックアッ
プ用電源側に切換えるよう構成すると共に、前記出力端
子とバックアップ用電源との間に半導体スイッチ手段を
介装し、この半導体スイッチ手段を、前記リレーあるい
はスイッチ等の機械式接点が切換わる間の時間は少なく
とも導通期間となるようにしたバックアップ電源切換同The output terminal connected to the load circuit is configured to be switched from the main power source side to the backup power source side by a mechanical contact such as a relay or switch, and a semiconductor switch means is interposed between the output terminal and the backup power source. The semiconductor switch means is equipped with a backup power supply switching system in which the time during which the mechanical contact such as the relay or switch is switched is at least a conduction period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16841482U JPS5972851U (en) | 1982-11-05 | 1982-11-05 | Backup power supply switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16841482U JPS5972851U (en) | 1982-11-05 | 1982-11-05 | Backup power supply switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5972851U true JPS5972851U (en) | 1984-05-17 |
Family
ID=30368186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16841482U Pending JPS5972851U (en) | 1982-11-05 | 1982-11-05 | Backup power supply switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5972851U (en) |
-
1982
- 1982-11-05 JP JP16841482U patent/JPS5972851U/en active Pending
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