JPS63194544U - - Google Patents
Info
- Publication number
- JPS63194544U JPS63194544U JP8371487U JP8371487U JPS63194544U JP S63194544 U JPS63194544 U JP S63194544U JP 8371487 U JP8371487 U JP 8371487U JP 8371487 U JP8371487 U JP 8371487U JP S63194544 U JPS63194544 U JP S63194544U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage conversion
- output
- conversion circuit
- input
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案実施例の構成を示すブロツク構
成図。第２図、第３図は従来例の構成を示すブロ
ツク構成図。
１…電気回路、２…現用電圧変換回路、３…予
備電圧変換回路、４…電圧低下検出回路、５…供
給電源、６…切替リレー、７…切替リレー接点、
８，８′…ダイオード。
FIG. 1 is a block configuration diagram showing the configuration of an embodiment of the present invention. FIGS. 2 and 3 are block configuration diagrams showing the configuration of a conventional example. DESCRIPTION OF SYMBOLS 1... Electric circuit, 2... Working voltage conversion circuit, 3... Reserve voltage conversion circuit, 4... Voltage drop detection circuit, 5... Power supply, 6... Switching relay, 7... Switching relay contact,
8, 8'...Diode.
Claims (1)
路の出力のいずれか一方を電気回路の入力に接続
する接点型の切替器を備えた電源切替回路におい
て、 上記第一の電圧変換回路の出力と上記電気回路
の入力との間に接続された第一のダイオードと、 上記第二の電圧変換回路の出力と上記電気回路
の入力との間に接続された第二のダイオードと を備えたことを特徴とする電源切替回路。[Claims for Utility Model Registration] In a power supply switching circuit equipped with a contact-type switch that connects either the output of a first voltage conversion circuit or the output of a second voltage conversion circuit to an input of an electric circuit, a first diode connected between the output of the first voltage conversion circuit and the input of the electric circuit; and a first diode connected between the output of the second voltage conversion circuit and the input of the electric circuit. A power supply switching circuit characterized by comprising a second diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8371487U JPS63194544U (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8371487U JPS63194544U (en) | 1987-05-29 | 1987-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63194544U true JPS63194544U (en) | 1988-12-14 |
Family
ID=30937550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8371487U Pending JPS63194544U (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63194544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0479734A (en) * | 1990-07-18 | 1992-03-13 | Mitsubishi Electric Corp | Inverter device |
-
1987
- 1987-05-29 JP JP8371487U patent/JPS63194544U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0479734A (en) * | 1990-07-18 | 1992-03-13 | Mitsubishi Electric Corp | Inverter device |