JPS5894018U - Overcurrent detection circuit - Google Patents
Overcurrent detection circuitInfo
- Publication number
- JPS5894018U JPS5894018U JP18703981U JP18703981U JPS5894018U JP S5894018 U JPS5894018 U JP S5894018U JP 18703981 U JP18703981 U JP 18703981U JP 18703981 U JP18703981 U JP 18703981U JP S5894018 U JPS5894018 U JP S5894018U
- Authority
- JP
- Japan
- Prior art keywords
- overcurrent detection
- detection circuit
- emitting diode
- light emitting
- 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
- Power Sources (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (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図は従来の過電流検出回路を示す回路図、第2図、
第3図及び第4図は本考案の各実施例を示す回路図であ
る。
4は電流検出用抵抗器、6は発光ダイオード、7はオフ
セット電圧源、8は光電変換素子としてのフォトトラン
ジスタ、9はフォトカプラである。Figure 1 is a circuit diagram showing a conventional overcurrent detection circuit; Figure 2 is a circuit diagram showing a conventional overcurrent detection circuit;
3 and 4 are circuit diagrams showing each embodiment of the present invention. 4 is a current detection resistor, 6 is a light emitting diode, 7 is an offset voltage source, 8 is a phototransistor as a photoelectric conversion element, and 9 is a photocoupler.
Claims (1)
ト電圧源の直列回路を接続すると共に、上記発光ダイオ
ードよりの発光光を受光して過電流検出出力を得る充電
変換素子を設けて成る過電流検出回路。An overcurrent detection circuit comprising a series circuit of a light emitting diode and an offset voltage source connected to both ends of a current detection resistor, and a charging conversion element for receiving light emitted from the light emitting diode and obtaining an overcurrent detection output. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18703981U JPS5894018U (en) | 1981-12-15 | 1981-12-15 | Overcurrent detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18703981U JPS5894018U (en) | 1981-12-15 | 1981-12-15 | Overcurrent detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5894018U true JPS5894018U (en) | 1983-06-25 |
Family
ID=30102713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18703981U Pending JPS5894018U (en) | 1981-12-15 | 1981-12-15 | Overcurrent detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5894018U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0438176A (en) * | 1990-05-31 | 1992-02-07 | Toshiba Corp | Excessive current detecting device |
-
1981
- 1981-12-15 JP JP18703981U patent/JPS5894018U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0438176A (en) * | 1990-05-31 | 1992-02-07 | Toshiba Corp | Excessive current detecting device |
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