JPS635511U - - Google Patents
Info
- Publication number
- JPS635511U JPS635511U JP9680686U JP9680686U JPS635511U JP S635511 U JPS635511 U JP S635511U JP 9680686 U JP9680686 U JP 9680686U JP 9680686 U JP9680686 U JP 9680686U JP S635511 U JPS635511 U JP S635511U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output voltage
- load
- voltage
- smoothing
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 238000009499 grossing Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Control Of Voltage And Current In General (AREA)
- Power Conversion In General (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図および第３図は本考案の第２、第３の実施例を
示す回路図、第４図は従来の電源回路を示す回路
図である。
１１，１４……ヒユーズ、１２，３９……スイ
ツチ、１３……電源トランス、１５，１６，１７
，１８，２１，２２，３０，３１，４０，４２…
…ダイオード、３１……ツエナーダイオード、１
９，２０，２３，３４，３５，５１……コンデン
サ、４１……リレー、３８，４４，４６，４７…
…トランジスタ、２５……比較回路、４８……増
幅回路、Ｚ０……負荷。
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.
3 and 3 are circuit diagrams showing second and third embodiments of the present invention, and FIG. 4 is a circuit diagram showing a conventional power supply circuit. 11, 14... Fuse, 12, 39... Switch, 13... Power transformer, 15, 16, 17
, 18, 21, 22, 30, 31, 40, 42...
...Diode, 31 ... Zener diode, 1
9, 20, 23, 34, 35, 51... Capacitor, 41... Relay, 38, 44, 46, 47...
...transistor, 25...comparison circuit, 48...amplifier circuit, Z0...load.
Claims (1)
を平滑して負荷に出力する平滑回路とを備えた電
源回路において、 前記平滑回路の出力電圧に含まれる交流成分を
検出する検出回路と、前記平滑回路と負荷との間
に接続されたスイツチ回路と、前記検出回路の出
力電圧と基準電圧とを比較し、検出回路出力電圧
が基準電圧を越えたときに前記スイツチ回路を作
動させ、負荷に対する電流経路をしや断させる比
較回路とを設けたことを特徴とする電源回路。[Claims for Utility Model Registration] A power supply circuit comprising a rectifier circuit that rectifies an AC voltage and a smoothing circuit that smoothes the rectified output voltage and outputs it to a load, wherein the AC component included in the output voltage of the smoothing circuit is A detection circuit to be detected, a switch circuit connected between the smoothing circuit and the load, compare the output voltage of the detection circuit with a reference voltage, and when the detection circuit output voltage exceeds the reference voltage, the switch circuit A power supply circuit comprising a comparison circuit that activates the circuit and interrupts a current path to a load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9680686U JPS635511U (en) | 1986-06-26 | 1986-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9680686U JPS635511U (en) | 1986-06-26 | 1986-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635511U true JPS635511U (en) | 1988-01-14 |
Family
ID=30962991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9680686U Pending JPS635511U (en) | 1986-06-26 | 1986-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635511U (en) |
-
1986
- 1986-06-26 JP JP9680686U patent/JPS635511U/ja active Pending