JPS62185495U - - Google Patents
Info
- Publication number
- JPS62185495U JPS62185495U JP7317086U JP7317086U JPS62185495U JP S62185495 U JPS62185495 U JP S62185495U JP 7317086 U JP7317086 U JP 7317086U JP 7317086 U JP7317086 U JP 7317086U JP S62185495 U JPS62185495 U JP S62185495U
- Authority
- JP
- Japan
- Prior art keywords
- negative
- switching element
- cycle period
- half cycle
- whose
- 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 4
- 238000009499 grossing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係る負電圧直流電源回路の回
路図、第２図は従来例に係る電源整流回路の回路
図である。
ＡＣ……交流電源、Ｄ１……半波整流用のダイ
オード（半波整流回路）、Ｃ１……コンデンサ、
Ｑ１……スイツチングトランジスタ（スイツチン
グ素子）、ＳＣ２……スイツチング制御回路、Ｌ
……負荷、２……負極性の平滑回路。
FIG. 1 is a circuit diagram of a negative voltage DC power supply circuit according to the present invention, and FIG. 2 is a circuit diagram of a conventional power supply rectifier circuit. AC: AC power supply, D1: half-wave rectifier diode (half-wave rectifier circuit), C1: capacitor,
Q1... Switching transistor (switching element), SC2... Switching control circuit, L
...Load, 2...Negative polarity smoothing circuit.
Claims (1)
の出力によつて充電されるコンデンサと、 一端が前記コンデンサの正極端子に接続され、
他端がアースされたスイツチング素子と、 一端がアースされて前記スイツチング素子の前
記他端に接続され、他端が前記コンデンサの負極
端子に接続された負極性の平滑回路と、 正の半サイクル期間において前記スイツチング
素子をＯＦＦし、負の半サイクル期間において前
記スイツチング素子をＯＮするスイツチング制御
回路 とを備えた負電圧直流電源回路。[Claims for Utility Model Registration] A half-wave rectifier circuit connected to an AC power supply, a capacitor charged by the output of the half-wave rectifier circuit during a positive half cycle period, and one end connected to the positive terminal of the capacitor. connected,
a switching element whose other end is grounded; a negative smoothing circuit whose one end is grounded and connected to the other end of the switching element and whose other end is connected to the negative terminal of the capacitor; and a positive half cycle period. A negative voltage DC power supply circuit comprising: a switching control circuit that turns off the switching element during a negative half cycle period and turns on the switching element during a negative half cycle period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7317086U JPS62185495U (en) | 1986-05-15 | 1986-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7317086U JPS62185495U (en) | 1986-05-15 | 1986-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62185495U true JPS62185495U (en) | 1987-11-25 |
Family
ID=30917264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7317086U Pending JPS62185495U (en) | 1986-05-15 | 1986-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62185495U (en) |
-
1986
- 1986-05-15 JP JP7317086U patent/JPS62185495U/ja active Pending