JPH0214243U - - Google Patents
Info
- Publication number
- JPH0214243U JPH0214243U JP9157088U JP9157088U JPH0214243U JP H0214243 U JPH0214243 U JP H0214243U JP 9157088 U JP9157088 U JP 9157088U JP 9157088 U JP9157088 U JP 9157088U JP H0214243 U JPH0214243 U JP H0214243U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power source
- input voltage
- voltage detection
- conversion
- 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 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例のブロツク図、第２
図は本考案の他の実施例のブロツク図、第３図は
従来の電源回路のブロツク図である。
１……一次電源、１Ａ……直流電源、１Ｂ……
交流電源、１ａ〜１ｃ……入力端子、２ａ〜２ｃ
……スイツチ（開閉素子）、３……入力電圧検出
回路、４……接続切替回路、５……直流入力用電
圧変換回路、５Ａ……直流―交流変換回路、６…
…交流入力用電圧変換回路、７，８……負荷。
Fig. 1 is a block diagram of an embodiment of the present invention;
This figure is a block diagram of another embodiment of the present invention, and FIG. 3 is a block diagram of a conventional power supply circuit. 1...Primary power supply, 1A...DC power supply, 1B...
AC power supply, 1a to 1c...Input terminal, 2a to 2c
...Switch (switching element), 3...Input voltage detection circuit, 4...Connection switching circuit, 5...DC input voltage conversion circuit, 5A...DC-AC conversion circuit, 6...
...Voltage conversion circuit for AC input, 7, 8...Load.
Claims (1)
ずれかであるかを検出する入力電圧検出回路と、
この入力電圧検出回路の検出出力によつて切替動
作される接続切替回路と、直流電源を負荷に対応
した所要の出力電圧とする変換回路と、交流電源
を負荷に対応した所要の出力電圧とする変換回路
とを備え、前記接続切替回路は入力電圧検出回路
の検出出力により、これら各変換回路のいずれか
一方を前記電源に切替え接続するように構成した
ことを特徴とする交直両用電源回路。 an input voltage detection circuit that detects whether the power source connected to the input terminal is direct current or alternating current;
A connection switching circuit that is switched according to the detection output of this input voltage detection circuit, a conversion circuit that converts the DC power source to the required output voltage corresponding to the load, and a conversion circuit that converts the AC power source to the required output voltage that corresponds to the load. a conversion circuit, and the connection switching circuit is configured to switch and connect one of the conversion circuits to the power supply according to a detection output of an input voltage detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9157088U JPH0214243U (en) | 1988-07-11 | 1988-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9157088U JPH0214243U (en) | 1988-07-11 | 1988-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0214243U true JPH0214243U (en) | 1990-01-29 |
Family
ID=31316042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9157088U Pending JPH0214243U (en) | 1988-07-11 | 1988-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214243U (en) |
-
1988
- 1988-07-11 JP JP9157088U patent/JPH0214243U/ja active Pending