JPH0289516U - - Google Patents
Info
- Publication number
- JPH0289516U JPH0289516U JP16595188U JP16595188U JPH0289516U JP H0289516 U JPH0289516 U JP H0289516U JP 16595188 U JP16595188 U JP 16595188U JP 16595188 U JP16595188 U JP 16595188U JP H0289516 U JPH0289516 U JP H0289516U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output
- predetermined
- current
- variable resistance
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Dc-Dc Converters (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案を説明する構成ブロツク図、第
２図は本考案の一実施例を示す構成ブロツク図、
第３図は第２図の装置の動作を説明する波形図、
第４図及び第５図は従来装置と比較して本考案の
効果を説明する図、第６図は本考案の具体的な適
用例を示す回路図である。第７図は従来装置の構
成ブロツク図、第８図は制御回路ＣＴＬの過負荷
防止特性の説明図である。
２０…直流電源部、３０…マグアンプ駆動回路
、４０…出力電圧制御手段、５０…過負荷検出回
路、Ｑ２…可変抵抗素子。
FIG. 1 is a configuration block diagram explaining the present invention, FIG. 2 is a configuration block diagram showing an embodiment of the present invention,
FIG. 3 is a waveform diagram explaining the operation of the device shown in FIG. 2;
4 and 5 are diagrams for explaining the effects of the present invention in comparison with conventional devices, and FIG. 6 is a circuit diagram showing a specific application example of the present invention. FIG. 7 is a block diagram of the configuration of the conventional device, and FIG. 8 is an explanatory diagram of the overload prevention characteristics of the control circuit CTL. 20... DC power supply unit, 30... Mag amplifier drive circuit, 40... Output voltage control means, 50... Overload detection circuit, Q2... Variable resistance element.
Claims (1)
するトランジスタなどの可変抵抗手段と、 この可変抵抗手段の出力電流を検出する電流検
出手段と、 この電流検出手段で検出した電力電流と当該出
力電圧とを入力し、所定の出力電流以下では所定
の出力電圧に制御すると共に、所定の出力電流以
上では過負荷防止を行う制御回路と、 よりなるシリーズレギユレータにおいて、 前記制御回路は、 前記検出した出力電流を所定の基準値と比較し
、この出力電流が当該基準値以上では前記可変抵
抗手段に入力される直流電圧と前記出力電圧の電
圧基準との電位差を低下させる入力電圧制御手段
と、 前記出力電圧を所定の電圧に保持する制御信号
を前記可変抵抗手段の制御端に送る出力電圧制御
手段と、 を具備することを特徴とするシリーズレギユレー
タの過負荷防止回路。[Scope of Claim for Utility Model Registration] Variable resistance means such as a transistor to which a DC voltage is applied and outputs a DC signal of a predetermined voltage; current detection means for detecting the output current of the variable resistance means; and detection by the current detection means. a control circuit that inputs the output power current and the output voltage, controls the output voltage to a predetermined output voltage when the output current is below a predetermined value, and prevents overload when the output current exceeds a predetermined output current; The control circuit compares the detected output current with a predetermined reference value, and when the output current exceeds the reference value, reduces the potential difference between the DC voltage input to the variable resistance means and the voltage reference of the output voltage. and output voltage control means for sending a control signal for maintaining the output voltage at a predetermined voltage to a control end of the variable resistance means. prevention circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16595188U JPH0624893Y2 (en) | 1988-12-22 | 1988-12-22 | Series regulator overload prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16595188U JPH0624893Y2 (en) | 1988-12-22 | 1988-12-22 | Series regulator overload prevention circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0289516U true JPH0289516U (en) | 1990-07-16 |
| JPH0624893Y2 JPH0624893Y2 (en) | 1994-06-29 |
Family
ID=31452901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16595188U Expired - Lifetime JPH0624893Y2 (en) | 1988-12-22 | 1988-12-22 | Series regulator overload prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624893Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011188548A (en) * | 2010-03-04 | 2011-09-22 | Kawasaki Heavy Ind Ltd | Magnetic amplifier |
-
1988
- 1988-12-22 JP JP16595188U patent/JPH0624893Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011188548A (en) * | 2010-03-04 | 2011-09-22 | Kawasaki Heavy Ind Ltd | Magnetic amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624893Y2 (en) | 1994-06-29 |
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