JPH03124782U - - Google Patents
Info
- Publication number
- JPH03124782U JPH03124782U JP3135990U JP3135990U JPH03124782U JP H03124782 U JPH03124782 U JP H03124782U JP 3135990 U JP3135990 U JP 3135990U JP 3135990 U JP3135990 U JP 3135990U JP H03124782 U JPH03124782 U JP H03124782U
- Authority
- JP
- Japan
- Prior art keywords
- short
- power supply
- circuiting
- supply circuit
- capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Rectifiers (AREA)
- Control Of Electrical Variables (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図ａ，ｂは同実施例の要部電圧波図、第３図は従
来の回路図である。
２……降圧用コンデンサ、３……整流回路、５
……負荷、６……検出手段、７……サイリスタ（
短絡手段）。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
Figures a and b are voltage wave diagrams of main parts of the same embodiment, and Figure 3 is a conventional circuit diagram. 2... Step-down capacitor, 3... Rectifier circuit, 5
...Load, 6...Detection means, 7...Thyristor (
short-circuiting means).
Claims (1)
して構成され、交流電流を低圧直流電源に変換し
て出力するコンデンサ降圧型の電源回路において
、該電源回路に接続される負荷の状態を検出する
検出手段と、該検出手段の出力によつて前記整流
回路の入力側を短絡する短絡手段を設けたことを
特徴とする電源回路。 In a capacitor step-down power supply circuit that is configured by connecting a voltage step-down capacitor and a rectifier circuit in series and converts alternating current into low-voltage direct current power and outputs it, detection detects the state of the load connected to the power supply circuit. and short-circuiting means for short-circuiting the input side of the rectifier circuit using the output of the detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3135990U JPH03124782U (en) | 1990-03-27 | 1990-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3135990U JPH03124782U (en) | 1990-03-27 | 1990-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03124782U true JPH03124782U (en) | 1991-12-17 |
Family
ID=31534105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3135990U Pending JPH03124782U (en) | 1990-03-27 | 1990-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03124782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005185082A (en) * | 2003-11-27 | 2005-07-07 | Daikin Ind Ltd | Power conversion device |
-
1990
- 1990-03-27 JP JP3135990U patent/JPH03124782U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005185082A (en) * | 2003-11-27 | 2005-07-07 | Daikin Ind Ltd | Power conversion device |
| JP4543718B2 (en) * | 2003-11-27 | 2010-09-15 | ダイキン工業株式会社 | Power converter |