JPS62121625U - - Google Patents
Info
- Publication number
- JPS62121625U JPS62121625U JP647386U JP647386U JPS62121625U JP S62121625 U JPS62121625 U JP S62121625U JP 647386 U JP647386 U JP 647386U JP 647386 U JP647386 U JP 647386U JP S62121625 U JPS62121625 U JP S62121625U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply circuit
- switch
- circuit
- power switch
- 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 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Power Sources (AREA)
Description
第１，２図は、それぞれこの考案の電源装置の
一実施例を示す回路構成図及び回路各部の信号波
形図、第３図は、従来の電源装置の一例を示す回
路構成図である。
１０…電源回路、１１…電源装置、１２…副電
源スイツチ、１３…電圧検出回路、１７…遅延回
路、２０…発光ダイオード、２１…光導電素子。
1 and 2 are a circuit configuration diagram and a signal waveform diagram of each part of the circuit, respectively, showing an embodiment of the power supply device of this invention, and FIG. 3 is a circuit diagram showing an example of a conventional power supply device. DESCRIPTION OF SYMBOLS 10... Power supply circuit, 11... Power supply device, 12... Sub-power switch, 13... Voltage detection circuit, 17... Delay circuit, 20... Light emitting diode, 21... Photoconductive element.
Claims (1)
に対し、主電源スイツチを介して電流を供給する
電源回路と、この電源回路と前記常時通電回路の
間に設けたバツクアツプ電源回路と、前記主電源
スイツチに並列接続され、閉成時主電源スイツチ
に代わつて電流を供給する副電源スイツチと、前
記バツクアツプ電源回路の電圧があらかじめ定め
た所定の電圧以下に降下したときに動作し、前記
副電源スイツチを閉成する制御手段とからなる電
源装置。 A power supply circuit that supplies current via a main power switch to a load including a constantly energized circuit that requires constant energization, a backup power supply circuit provided between this power supply circuit and the always energized circuit, and the main power supply circuit. A sub power switch is connected in parallel to the switch and supplies current in place of the main power switch when closed, and the sub power switch operates when the voltage of the backup power supply circuit drops below a predetermined voltage. A power supply device consisting of a control means for closing the
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP647386U JPS62121625U (en) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP647386U JPS62121625U (en) | 1986-01-20 | 1986-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62121625U true JPS62121625U (en) | 1987-08-01 |
Family
ID=30789019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP647386U Pending JPS62121625U (en) | 1986-01-20 | 1986-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62121625U (en) |
-
1986
- 1986-01-20 JP JP647386U patent/JPS62121625U/ja active Pending