JPH0476218U - - Google Patents
Info
- Publication number
- JPH0476218U JPH0476218U JP11860090U JP11860090U JPH0476218U JP H0476218 U JPH0476218 U JP H0476218U JP 11860090 U JP11860090 U JP 11860090U JP 11860090 U JP11860090 U JP 11860090U JP H0476218 U JPH0476218 U JP H0476218U
- Authority
- JP
- Japan
- Prior art keywords
- power
- terminal
- switching
- contact switch
- output
- 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 2
Landscapes
- Keying Circuit Devices (AREA)
Description
第１図は本考案に係る電源切換装置の一実施例
を示す回路図、第２図は従来の電源切換装置の一
般的構成を示す概略ブロツク図である。
１……電子部品、３……第１のオン／オフ制御
端子、５……第１の無接点スイツチ回路、７……
第２のオン／オフ制御端子、９……第２の無接点
スイツチ回路、１１……第３のオン／オフ制御端
子、１３……第３の無接点スイツチ回路、Ｐ１…
…切換え端子、Ｐ２……第１の出力端子、Ｐ３…
…第２の出力端子、Ｐ４……第３の出力端子、Ｒ
１〜Ｒ９……抵抗、Ｑ１〜Ｑ５……トランジスタ
（無接点スイツチ素子）、ＶＣＣ……第１の電源
（第１の定電圧源）、ＶＤＤ……第２の電源（第
２の定電圧源）、ＶＳＳ……第３の電源（第３の
定電圧源）。
FIG. 1 is a circuit diagram showing an embodiment of a power switching device according to the present invention, and FIG. 2 is a schematic block diagram showing the general configuration of a conventional power switching device. DESCRIPTION OF SYMBOLS 1... Electronic component, 3... First on/off control terminal, 5... First non-contact switch circuit, 7...
Second on/off control terminal, 9... Second non-contact switch circuit, 11... Third on/off control terminal, 13... Third non-contact switch circuit, P1...
...Switching terminal, P2...First output terminal, P3...
...Second output terminal, P4...Third output terminal, R
1 to R9...Resistor, Q1 to Q5...Transistor (non-contact switch element), VCC...First power supply (first constant voltage source), VDD...Second power supply (second constant voltage source) ), VSS...Third power supply (third constant voltage source).
Claims (1)
グラム動作処理に連動して電源の供給および遮断
が可能な電源切換装置において、 前記電源の供給および遮断に対応して出力され
る切換え制御信号の切換え端子と、 第１のオン／オフ制御端子を前記切換え端子に
接続し一端を第１の電源に接続するとともに他端
を第１の出力端子に接続した第１の無接点スイツ
チ回路と、 第２のオン／オフ制御端子を前記第１の無接点
スイツチ回路の他端側に接続し一端を第２の電源
に接続するとともに他端を第２の出力端子に接続
した第２の無接点スイツチ回路と、 第３のオン／オフ制御端子を前記切換え端子に
接続し一端を第３の電源に接続するとともに他端
を第３の出力端子に接続した第３の無接点スイツ
チ回路と、 を具備し、 前記切換え制御信号によつて前記第１〜第３の
無接点スイツチ回路を一括制御し、前記第１〜第
３の出力端子よりの電源の供給および遮断を行な
うことを特徴とする電源切換装置。[Claims for Utility Model Registration] In a power switching device capable of supplying and shutting off power in conjunction with external switch operation and program operation processing of electronic equipment, an output is provided in response to the supply and shutoff of the power. a first non-contact switch having a switching terminal for a switching control signal and a first on/off control terminal connected to the switching terminal, one end connected to a first power source, and the other end connected to a first output terminal; a second on/off control terminal connected to the other end of the first non-contact switch circuit, one end connected to a second power supply, and the other end connected to a second output terminal; and a third non-contact switch circuit in which a third on/off control terminal is connected to the switching terminal, one end is connected to a third power supply, and the other end is connected to a third output terminal. and, the first to third non-contact switch circuits are collectively controlled by the switching control signal to supply and cut off power from the first to third output terminals. Power switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11860090U JPH0476218U (en) | 1990-11-14 | 1990-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11860090U JPH0476218U (en) | 1990-11-14 | 1990-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476218U true JPH0476218U (en) | 1992-07-03 |
Family
ID=31866548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11860090U Pending JPH0476218U (en) | 1990-11-14 | 1990-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476218U (en) |
-
1990
- 1990-11-14 JP JP11860090U patent/JPH0476218U/ja active Pending
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