JPH0472880U - - Google Patents
Info
- Publication number
- JPH0472880U JPH0472880U JP11530690U JP11530690U JPH0472880U JP H0472880 U JPH0472880 U JP H0472880U JP 11530690 U JP11530690 U JP 11530690U JP 11530690 U JP11530690 U JP 11530690U JP H0472880 U JPH0472880 U JP H0472880U
- Authority
- JP
- Japan
- Prior art keywords
- smoothing circuit
- output
- circuit
- rectifying
- rectification
- 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
- 238000009499 grossing Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Description
図面は本考案の一実施例における電源回路を示
す図である。
１……商用電源、２……主電源スイツチ、３，
５……第１、第２整流平滑回路、Ｃ１，Ｃ２……
平滑用コンデンサ、４，６……第１、第２スイツ
チング電源回路、８……制御回路、７……スイツ
チ。
The drawing is a diagram showing a power supply circuit in an embodiment of the present invention. 1...Commercial power supply, 2...Main power switch, 3,
5...First and second rectifying and smoothing circuits, C1, C2...
Smoothing capacitor, 4, 6...first and second switching power supply circuits, 8...control circuit, 7...switch.
Claims (1)
この第１整流平滑回路出力を入力とし第１の直流
出力を得る第１スイツチング電源回路と、前記商
用電源に対して前記第１整流平滑回路と並列に接
続された第２整流平滑回路と、この第２整流平滑
回路出力を入力とし第２の直流出力を得る第２ス
イツチング電源回路と、前記第２整流平滑回路と
前記商用電源との接続を開閉するスイツチ手段と
、前記第１の直流出力が立上つたことを検出して
所定時間経過後、前記スイツチ手段を閉成するよ
う制御する制御回路とからなる電源回路。 a first rectifying and smoothing circuit that rectifies and smoothes commercial power;
a first switching power supply circuit that receives the first rectification and smoothing circuit output and obtains a first DC output; a second rectification and smoothing circuit that is connected to the commercial power source in parallel with the first rectification and smoothing circuit; a second switching power supply circuit that receives the output of the second rectifying and smoothing circuit as an input and obtains a second DC output; a switching means that opens and closes the connection between the second rectifying and smoothing circuit and the commercial power source; A power supply circuit comprising a control circuit for controlling the switch means to close after a predetermined period of time has elapsed after detecting that the switch has been turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11530690U JPH0472880U (en) | 1990-10-31 | 1990-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11530690U JPH0472880U (en) | 1990-10-31 | 1990-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472880U true JPH0472880U (en) | 1992-06-26 |
Family
ID=31863069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11530690U Pending JPH0472880U (en) | 1990-10-31 | 1990-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472880U (en) |
-
1990
- 1990-10-31 JP JP11530690U patent/JPH0472880U/ja active Pending