JPS60114532U - Overcurrent protection circuit - Google Patents
Overcurrent protection circuitInfo
- Publication number
- JPS60114532U JPS60114532U JP274284U JP274284U JPS60114532U JP S60114532 U JPS60114532 U JP S60114532U JP 274284 U JP274284 U JP 274284U JP 274284 U JP274284 U JP 274284U JP S60114532 U JPS60114532 U JP S60114532U
- Authority
- JP
- Japan
- Prior art keywords
- current
- signal
- current control
- transistor
- 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.)
- Granted
Links
Landscapes
- 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図は従来のトランジスタインバータメ過電流保護回
路の回路図、第２図は本考案の一実施例の回路図である
。
１・・・・・・直流電源１．２・・・・・・電流制御用
スイッチングトランジスタ、３・・・・・・トランジス
タインバータ、５・・・・・・電流検出回路、６・・・
・・・電流制御回路、７・・・・・・ベース駆動回路、
９・・・・・・タイミング回路。FIG. 1 is a circuit diagram of a conventional transistor inverter overcurrent protection circuit, and FIG. 2 is a circuit diagram of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... DC power supply 1.2... Switching transistor for current control, 3... Transistor inverter, 5... Current detection circuit, 6...
...Current control circuit, 7...Base drive circuit,
9... Timing circuit.
Claims (1)
ンジスタインバー タと、前記トランジス、タインバー
タに前記直流電源より流れる電流を制御する電流制御用
スイッチングトランジスタと、前記電流制御用スイッチ
ングトランジスタに流れる電流を検出する電流検出回路
と、前記トランジスタインバータのトランジスタのスイ
ッチング時に信号を出力するタイミング回路と、前記タ
イミング回路の信号により前記電流検出回路で検出した
電流信号に苅して応答レベルを変えて信号を出力する電
流制御回路と、−前記電流制御回路の出力信号で前記電
流制御用スイッチングトランジスタを非導通にするベー
ス駆動回路とから構成される過電流保護回路。 ゛A DC power supply, a transistor inverter supplied with power by the DC power supply, a current control switching transistor for controlling the current flowing from the DC power supply to the transistors and the inverter, and a current control switching transistor for controlling the current flowing to the current control switching transistor. a current detection circuit for detecting a current, a timing circuit for outputting a signal when the transistor of the transistor inverter is switched, and a signal from the timing circuit that changes the response level of the current signal detected by the current detection circuit and outputs the signal. and - a base drive circuit that renders the current control switching transistor non-conductive with an output signal of the current control circuit.゛
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP274284U JPS60114532U (en) | 1984-01-12 | 1984-01-12 | Overcurrent protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP274284U JPS60114532U (en) | 1984-01-12 | 1984-01-12 | Overcurrent protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60114532U true JPS60114532U (en) | 1985-08-02 |
Family
ID=30476707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP274284U Granted JPS60114532U (en) | 1984-01-12 | 1984-01-12 | Overcurrent protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60114532U (en) |
-
1984
- 1984-01-12 JP JP274284U patent/JPS60114532U/en active Granted
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