JPS6071925U - Automatic power switching circuit - Google Patents
Automatic power switching circuitInfo
- Publication number
- JPS6071925U JPS6071925U JP16212883U JP16212883U JPS6071925U JP S6071925 U JPS6071925 U JP S6071925U JP 16212883 U JP16212883 U JP 16212883U JP 16212883 U JP16212883 U JP 16212883U JP S6071925 U JPS6071925 U JP S6071925U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- automatic power
- winding
- voltage value
- switching 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
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は電源切り換え回路を示す回路図、第２図は本考
案の電源自動切り換え回路の一実施例を示す回路図であ
る。
１・・・・・・電源トランス、２ａ、２ｂ・・・・・・
１次巻線、３・・・・・・２次巻線、４・・・・・・整
流回路、５ａ、５ｂ・・・・・・切り換え手段、８・・
・・・・信号出力回路。FIG. 1 is a circuit diagram showing a power supply switching circuit, and FIG. 2 is a circuit diagram showing an embodiment of the automatic power supply switching circuit of the present invention. 1...Power transformer, 2a, 2b...
Primary winding, 3... Secondary winding, 4... Rectifier circuit, 5a, 5b... Switching means, 8...
...Signal output circuit.
Claims (1)
次巻線の出力を整流子る整流回路と、前記１次巻線と２
次巻線の巻線比を切り換える切り換え手段と、前記整流
回路の出力電圧値が予め定めた範囲から外れた時に前記
出力電圧値が前記範囲内に収まるように前記切り替え手
段を切り換える切り換え信号を出力しこの後再び前記出
力電圧値が前記範囲内に戻っても前記切り換え手段の状
態を保つ切り換え信号を出力する信号出力回路を備える
ことを特徴とする電源自動切り換え回路。a power transformer comprising a primary winding and a secondary winding;
a rectifier circuit that commutates the output of the secondary winding;
A switching means for switching the winding ratio of the next winding, and outputting a switching signal for switching the switching means so that the output voltage value falls within the range when the output voltage value of the rectifier circuit deviates from a predetermined range. An automatic power supply switching circuit comprising a signal output circuit that outputs a switching signal that maintains the state of the switching means even if the output voltage value returns to within the range after this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16212883U JPS6071925U (en) | 1983-10-19 | 1983-10-19 | Automatic power switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16212883U JPS6071925U (en) | 1983-10-19 | 1983-10-19 | Automatic power switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6071925U true JPS6071925U (en) | 1985-05-21 |
Family
ID=30356113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16212883U Pending JPS6071925U (en) | 1983-10-19 | 1983-10-19 | Automatic power switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6071925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007108984A (en) * | 2005-10-13 | 2007-04-26 | Matsushita Electric Ind Co Ltd | Power supply stabilizing circuit for heating element storage box cooling device |
| US8049373B2 (en) | 2006-12-05 | 2011-11-01 | Panasonic Corporation | Apparatus for stabilizing power supply of heater housing box cooling apparatus |
-
1983
- 1983-10-19 JP JP16212883U patent/JPS6071925U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007108984A (en) * | 2005-10-13 | 2007-04-26 | Matsushita Electric Ind Co Ltd | Power supply stabilizing circuit for heating element storage box cooling device |
| US8049373B2 (en) | 2006-12-05 | 2011-11-01 | Panasonic Corporation | Apparatus for stabilizing power supply of heater housing box cooling apparatus |
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