JPH01162740U - - Google Patents
Info
- Publication number
- JPH01162740U JPH01162740U JP5753088U JP5753088U JPH01162740U JP H01162740 U JPH01162740 U JP H01162740U JP 5753088 U JP5753088 U JP 5753088U JP 5753088 U JP5753088 U JP 5753088U JP H01162740 U JPH01162740 U JP H01162740U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- power source
- input
- input terminal
- control terminal
- 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
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Control Of Voltage And Current In General (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示すブロツクダイ
ヤ図、第２図は従来のスイツチ切替えによるブロ
ツクダイヤ図、第３図は従来のダイオードつき合
せによるＤＣつき合せ回路を示す図である。
１……第１のＤＣ入力端子、２……第２のＤＣ
入力端子、３……ＤＣ出力端子、４，５……つき
合せ用ダイオード、６……ＯＮ／ＯＦＦ制御端子
をもつ第１のスイツチ、７……ＯＮ／ＯＦＦ制御
端子をもつ第２のスイツチ、８……論理回路部、
９，１１……抵抗、１０，１２……発光ダイオー
ド、１３，１４……バツテリー。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a block diagram using a conventional switch, and FIG. 3 is a diagram showing a conventional DC matching circuit using diode matching. 1...First DC input terminal, 2...Second DC
Input terminal, 3... DC output terminal, 4, 5... Matching diode, 6... First switch with ON/OFF control terminal, 7... Second switch with ON/OFF control terminal, 8...logic circuit section,
9,11...Resistor, 10,12...Light emitting diode, 13,14...Battery.
Claims (1)
前記ＤＣ電源と異なるＤＣ電源が接続される第２
のＤＣ入力端子とをもつ装置において、第１のＤ
Ｃ入力端子に接続されるＯＮ／ＯＦＦ制御端子を
もつ第１のスイツチと、第２のＤＣ入力端子に接
続されるＯＮ／ＯＦＦ制御端子をもつ第２のスイ
ツチと、第１のスイツチ並びに第２のスイツチの
各出力側につき合わされるつき合せ回路と、第１
のＤＣ入力電圧、第２のＤＣ入力電圧及びＤＣつ
き合せ回路の出力電圧を３つの入力とし、第１の
スイツチ又は第２のスイツチの制御端子へ接続さ
れる２つの出力端子をもつ論理回路部とを有する
ことを特徴とするＤＣ入力回路。 a first DC input terminal to which a DC power source is connected;
A second DC power source connected to a DC power source different from the DC power source
In a device having a DC input terminal of
a first switch having an ON/OFF control terminal connected to the DC input terminal; a second switch having an ON/OFF control terminal connected to the second DC input terminal; A matching circuit matched to each output side of the switch, and a first
A logic circuit section having three inputs: a DC input voltage of a switch, a second DC input voltage, and an output voltage of a DC matching circuit, and having two output terminals connected to a control terminal of the first switch or the second switch. A DC input circuit comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5753088U JPH01162740U (en) | 1988-04-29 | 1988-04-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5753088U JPH01162740U (en) | 1988-04-29 | 1988-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162740U true JPH01162740U (en) | 1989-11-13 |
Family
ID=31283381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5753088U Pending JPH01162740U (en) | 1988-04-29 | 1988-04-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0583884A (en) * | 1991-09-20 | 1993-04-02 | Nec Corp | D.c. power supply switching device |
| JPH11325544A (en) * | 1998-05-15 | 1999-11-26 | Daikin Ind Ltd | Storage type air conditioner |
-
1988
- 1988-04-29 JP JP5753088U patent/JPH01162740U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0583884A (en) * | 1991-09-20 | 1993-04-02 | Nec Corp | D.c. power supply switching device |
| JPH11325544A (en) * | 1998-05-15 | 1999-11-26 | Daikin Ind Ltd | Storage type air conditioner |