JPS6194913U - - Google Patents
Info
- Publication number
- JPS6194913U JPS6194913U JP17761384U JP17761384U JPS6194913U JP S6194913 U JPS6194913 U JP S6194913U JP 17761384 U JP17761384 U JP 17761384U JP 17761384 U JP17761384 U JP 17761384U JP S6194913 U JPS6194913 U JP S6194913U
- Authority
- JP
- Japan
- Prior art keywords
- output voltage
- smoothing capacitor
- current
- discharges
- voltage
- 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 9
- 238000009499 grossing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案に係る電源回路の一実施例を示
す回路構成図、第２図は第１図に示す電源回路の
動作タイミング図、第３図は従来における電源回
路の構成図である。
Ｃ１０…電圧降下用コンデンサ、Ｄ１０…充電
用ダイオード、Ｄ１１…放電用ダイオード、Ｃ１
１…平滑用コンデンサ、１０…出力電圧制御回路
、ＺＤ…ツエナダイオード、Ｓ…サイリスタ。
FIG. 1 is a circuit configuration diagram showing an embodiment of a power supply circuit according to the present invention, FIG. 2 is an operation timing diagram of the power supply circuit shown in FIG. 1, and FIG. 3 is a configuration diagram of a conventional power supply circuit. C10... Voltage drop capacitor, D10... Charging diode, D11... Discharging diode, C1
1... Smoothing capacitor, 10... Output voltage control circuit, ZD... Zener diode, S... Thyristor.
Claims (1)
圧降下用コンデンサと、この電圧降下用コンデン
サの充放電を行なわしめるとともに一定レベルの
電圧を得る充放電回路と、この充放電回路の出力
を平滑して直流出力電圧を得る平滑用コンデンサ
と、この平滑用コンデンサからの直流出力電圧が
所定レベル以上に達したときに導通して前記平滑
用コンデンサへの放電電流を減少させ、前記直流
出力電圧を一定レベルに制御する出力電圧制御回
路とを具備したことを特徴とする電源回路。 (2) 出力電圧制御回路は、平滑用コンデンサの
直流出力電圧が所定レベル以上に達したときに導
通するツエナダイオードと、このツエナダイオー
ドからの電流をゲート電流として導通し前記平滑
用コンデンサへの放電電流を減少させるサイリス
タとから構成される実用新案登録請求の範囲第(1
)項記載の電源回路。[Claims for Utility Model Registration] (1) A voltage drop capacitor that charges and discharges electric charge in response to an alternating current signal, and a charging and discharging circuit that charges and discharges the voltage drop capacitor and obtains a constant level of voltage. , a smoothing capacitor that smoothes the output of this charging/discharging circuit to obtain a DC output voltage, and when the DC output voltage from this smoothing capacitor reaches a predetermined level or higher, conduction occurs to discharge current to the smoothing capacitor. and an output voltage control circuit that reduces the DC output voltage and controls the DC output voltage to a constant level. (2) The output voltage control circuit includes a Zener diode that becomes conductive when the DC output voltage of the smoothing capacitor reaches a predetermined level or higher, and a current from the Zener diode that conducts as a gate current and discharges to the smoothing capacitor. Utility model registration claim No. 1 consisting of a thyristor that reduces current
The power supply circuit described in ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17761384U JPS6194913U (en) | 1984-11-22 | 1984-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17761384U JPS6194913U (en) | 1984-11-22 | 1984-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6194913U true JPS6194913U (en) | 1986-06-19 |
Family
ID=30735184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17761384U Pending JPS6194913U (en) | 1984-11-22 | 1984-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194913U (en) |
-
1984
- 1984-11-22 JP JP17761384U patent/JPS6194913U/ja active Pending
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