JPS6112121U - Constant voltage power supply circuit - Google Patents
Constant voltage power supply circuitInfo
- Publication number
- JPS6112121U JPS6112121U JP9265884U JP9265884U JPS6112121U JP S6112121 U JPS6112121 U JP S6112121U JP 9265884 U JP9265884 U JP 9265884U JP 9265884 U JP9265884 U JP 9265884U JP S6112121 U JPS6112121 U JP S6112121U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- output
- constant voltage
- power supply
- 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.)
- Granted
Links
Landscapes
- Continuous-Control Power Sources That Use Transistors (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図は本考案の一実施例に係る定電圧電源回路の回路
図、第２図は同回路の第１、第２の電圧発生回路の発生
電圧を縦軸、電源電圧を横軸として第１、第２の電圧発
生回路の発生電圧Ｖｚ −Ｖｚ十の変化を示すグラフ、
第３図は同回路の演算回路の出力電圧を縦軸、入力電圧
全横軸として演算回路の出力電圧変化を示すグラフ、第
４図は同回路を使用した装置の一例を示子構成ブロック
図、第５図は従来の定電圧電源回路の回路図、第６図は
同回路の電源トランスの入力電圧変化を示すグラフであ
る。
１・・・電源トランス、２・・，・正特性サーミスタ、
３・・・電源プラグ、４・・・整流回路、１０．１１・
・・定電圧回路、４０・・・第１の電圧発生回路、４１
・・・第２の電圧発生回路、４２・・・演算回路、４３
・・・保讃向路、５０・・・写電圧電源回路、５１・・
・制御回路、５２・・・被制御装置。FIG. 1 is a circuit diagram of a constant voltage power supply circuit according to an embodiment of the present invention, and FIG. 2 is a diagram with the vertical axis representing the voltage generated by the first and second voltage generating circuits of the same circuit and the horizontal axis representing the power supply voltage. 1. Graph showing changes in the generated voltage Vz - Vz+ of the second voltage generation circuit,
Figure 3 is a graph showing changes in the output voltage of the arithmetic circuit with the vertical axis representing the output voltage of the arithmetic circuit and the total input voltage horizontal axis, and Figure 4 is a block diagram showing an example of a device using the same circuit. , FIG. 5 is a circuit diagram of a conventional constant voltage power supply circuit, and FIG. 6 is a graph showing changes in input voltage of a power transformer of the same circuit. 1...Power transformer, 2...Positive characteristic thermistor,
3... Power plug, 4... Rectifier circuit, 10.11.
... Constant voltage circuit, 40 ... First voltage generation circuit, 41
...Second voltage generation circuit, 42...Arithmetic circuit, 43
・・・Hosanmukoji, 50 ・・・Photovoltage power supply circuit, 51...
- Control circuit, 52... controlled device.
Claims (1)
されるトランスと、このトランスの２次巻線に接続され
る整流回路と、この整流回路に接続され、整流後の電圧
を所定の電圧に変換する定電圧回路と、整流後の出力電
圧値に応じて異なる電圧を出力する第１、第２の電圧発
生回路と、この第１、第２の電圧発生回路の出力電圧の
差に応じて出力が変化する演算回路と、この演算回路の
出力に応じて前記定電圧回路の出力を停止または低下さ
せる保護回路を備えたことを特徴とする定電圧電源回路
。A transformer having a primary winding and a secondary winding, the primary winding being connected to a power source, a rectifying circuit connected to the secondary winding of this transformer, and a rectifying circuit connected to this rectifying circuit. a constant voltage circuit that converts the subsequent voltage into a predetermined voltage, first and second voltage generation circuits that output different voltages depending on the output voltage value after rectification, and the first and second voltage generation circuits. 1. A constant voltage power supply circuit comprising: an arithmetic circuit whose output changes according to a difference in output voltage of the arithmetic circuit; and a protection circuit which stops or reduces the output of the constant voltage circuit according to the output of the arithmetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9265884U JPS6112121U (en) | 1984-06-22 | 1984-06-22 | Constant voltage power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9265884U JPS6112121U (en) | 1984-06-22 | 1984-06-22 | Constant voltage power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6112121U true JPS6112121U (en) | 1986-01-24 |
| JPH054014Y2 JPH054014Y2 (en) | 1993-02-01 |
Family
ID=30649650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9265884U Granted JPS6112121U (en) | 1984-06-22 | 1984-06-22 | Constant voltage power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6112121U (en) |
-
1984
- 1984-06-22 JP JP9265884U patent/JPS6112121U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH054014Y2 (en) | 1993-02-01 |
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