JPS6251980U - - Google Patents
Info
- Publication number
- JPS6251980U JPS6251980U JP14039485U JP14039485U JPS6251980U JP S6251980 U JPS6251980 U JP S6251980U JP 14039485 U JP14039485 U JP 14039485U JP 14039485 U JP14039485 U JP 14039485U JP S6251980 U JPS6251980 U JP S6251980U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- capacitor
- wave
- power supply
- detection circuit
- 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 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案による安定化電源装置とその不
足電圧検出回路の一実施例を示す結線図、第２図
は第１図の動作を示すタイムチヤート、第３図は
従来の安定化電源装置とその不足電圧検出回路の
一例を示す結線図、第４図は第３図の動作を示す
タイムチヤートである。
５…変圧器、５ａ…一次コイル、５ｃ…二次コ
イル、１６…出力コンデンサ、２９…比較コンデ
ンサ。
Figure 1 is a wiring diagram showing an embodiment of the stabilized power supply according to the present invention and its undervoltage detection circuit, Figure 2 is a time chart showing the operation of Figure 1, and Figure 3 is a conventional stabilized power supply. 4 is a wiring diagram showing an example of the undervoltage detection circuit, and FIG. 4 is a time chart showing the operation of FIG. 3. 5...Transformer, 5a...Primary coil, 5c...Secondary coil, 16...Output capacitor, 29...Comparison capacitor.
Claims (1)
の変圧器の二次コイルに発生する電圧の半波で出
力コンデンサを充電し、このコンデンサの電荷を
利用する安定化電源装置の不足電圧検出回路にお
いて、前記出力コンデンサの電圧と、前記半波電
圧とは極性の異なる他の半波電圧で充電した比較
コンデンサの電圧とを比較して検出することを特
徴とする安定化電源装置の不足電圧検出回路。 In the undervoltage detection circuit of a stabilized power supply device, which charges an output capacitor with a half-wave of the voltage generated in the secondary coil of the transformer by passing an intermittent DC current through the primary coil of the transformer, and utilizes the charge of this capacitor. An undervoltage detection circuit for a stabilized power supply device, characterized in that the voltage of the output capacitor is detected by comparing the voltage of a comparison capacitor charged with another half-wave voltage having a polarity different from the half-wave voltage. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14039485U JPS6251980U (en) | 1985-09-13 | 1985-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14039485U JPS6251980U (en) | 1985-09-13 | 1985-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6251980U true JPS6251980U (en) | 1987-03-31 |
Family
ID=31047204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14039485U Pending JPS6251980U (en) | 1985-09-13 | 1985-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6251980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62239864A (en) * | 1986-04-11 | 1987-10-20 | Toshiba Corp | Undervoltage detecting circuit for switching power source |
-
1985
- 1985-09-13 JP JP14039485U patent/JPS6251980U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62239864A (en) * | 1986-04-11 | 1987-10-20 | Toshiba Corp | Undervoltage detecting circuit for switching power source |
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