JPS63138833U - - Google Patents
Info
- Publication number
- JPS63138833U JPS63138833U JP3120287U JP3120287U JPS63138833U JP S63138833 U JPS63138833 U JP S63138833U JP 3120287 U JP3120287 U JP 3120287U JP 3120287 U JP3120287 U JP 3120287U JP S63138833 U JPS63138833 U JP S63138833U
- Authority
- JP
- Japan
- Prior art keywords
- load current
- circuit
- controlled
- monostable multivibrator
- overcurrent
- 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 5
- 230000001934 delay Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
図面はこの考案の過電流保護回路の一実施例を
示す回路図である。
Ｅ……直流電源、ＭＭ……単安定マルチバイブ
レータ、Ｒ１〜Ｒ１３……抵抗、Ｑ１〜５……ト
ランジスタ、ＤＥ……ダイオード、ＤＣ……コン
デンサ、ＬＤ……負荷。
The drawing is a circuit diagram showing one embodiment of the overcurrent protection circuit of this invention. E...DC power supply, MM...monostable multivibrator, R1-R13...resistor, Q1-5...transistor, DE...diode, DC...capacitor, LD...load.
Claims (1)
路と、該過電流検出回路の検出信号を遅延する遅
延回路と、該遅延回路の出力によりトリガされる
単安定マルチバイブレータと、上記過電流検出回
路の検出信号により上記負荷電流を一定値以下に
制御し、上記単安定マルチバイブレータの出力パ
ルスにより上記負荷電流を遮断制御し、上記直流
電源と負荷との間に設けられた負荷電流制御回路
とを具備したことを特徴とする過電流保護回路。 an overcurrent detection circuit that detects a load current exceeding a predetermined value; a delay circuit that delays a detection signal of the overcurrent detection circuit; a monostable multivibrator that is triggered by the output of the delay circuit; and the overcurrent detection circuit. The load current is controlled to be below a certain value by the detection signal of the monostable multivibrator, the load current is controlled to be cut off by the output pulse of the monostable multivibrator, and the load current control circuit provided between the DC power supply and the load is controlled. An overcurrent protection circuit characterized by being equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987031202U JPH0613582Y2 (en) | 1987-03-05 | 1987-03-05 | Overcurrent protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987031202U JPH0613582Y2 (en) | 1987-03-05 | 1987-03-05 | Overcurrent protection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63138833U true JPS63138833U (en) | 1988-09-13 |
| JPH0613582Y2 JPH0613582Y2 (en) | 1994-04-06 |
Family
ID=30836720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987031202U Expired - Lifetime JPH0613582Y2 (en) | 1987-03-05 | 1987-03-05 | Overcurrent protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0613582Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008067489A (en) * | 2006-09-07 | 2008-03-21 | Toa Corp | Overcurrent protection circuit |
| JP2011078235A (en) * | 2009-09-30 | 2011-04-14 | Fujitsu Ten Ltd | Overcurrent protection circuit and on-vehicle display device |
| JP2020028168A (en) * | 2018-08-10 | 2020-02-20 | Ｋｙｂ株式会社 | Overcurrent protection circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950710A (en) * | 1982-09-14 | 1984-03-23 | ニツタン株式会社 | Overcurrent protecting circuit |
| JPS60108921A (en) * | 1983-11-18 | 1985-06-14 | Yokogawa Hokushin Electric Corp | Overload protecting circuit of power supply unit |
| JPS6177630U (en) * | 1984-10-26 | 1986-05-24 |
-
1987
- 1987-03-05 JP JP1987031202U patent/JPH0613582Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950710A (en) * | 1982-09-14 | 1984-03-23 | ニツタン株式会社 | Overcurrent protecting circuit |
| JPS60108921A (en) * | 1983-11-18 | 1985-06-14 | Yokogawa Hokushin Electric Corp | Overload protecting circuit of power supply unit |
| JPS6177630U (en) * | 1984-10-26 | 1986-05-24 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008067489A (en) * | 2006-09-07 | 2008-03-21 | Toa Corp | Overcurrent protection circuit |
| JP2011078235A (en) * | 2009-09-30 | 2011-04-14 | Fujitsu Ten Ltd | Overcurrent protection circuit and on-vehicle display device |
| JP2020028168A (en) * | 2018-08-10 | 2020-02-20 | Ｋｙｂ株式会社 | Overcurrent protection circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0613582Y2 (en) | 1994-04-06 |