JPS633630U - - Google Patents
Info
- Publication number
- JPS633630U JPS633630U JP9509086U JP9509086U JPS633630U JP S633630 U JPS633630 U JP S633630U JP 9509086 U JP9509086 U JP 9509086U JP 9509086 U JP9509086 U JP 9509086U JP S633630 U JPS633630 U JP S633630U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- overcurrent
- switching element
- overcurrent protection
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図および第２図はこの考案に係る過電流保
護回路の１実施例の説明図であり、第１図はこの
実施例の回路図、第２図はこの回路の各部の動作
波形図、第３図ないし第５図は従来例の説明図で
あり、第３図は基本的な動作原理図、第４図は１
従来例の回路図、第５図はこの回路の各部の動作
波形図である。
７……タイマ回路、１２……遅延回路、Ｔｒ１
……トランジスタ（スイツチング素子）、Ｒ３…
…抵抗（過電流検知素子）、Ｃ……コンデンサ（
容量性負荷）。
1 and 2 are explanatory diagrams of one embodiment of the overcurrent protection circuit according to this invention, FIG. 1 is a circuit diagram of this embodiment, and FIG. 2 is an operation waveform diagram of each part of this circuit, Figures 3 to 5 are explanatory diagrams of conventional examples, with Figure 3 being a diagram of the basic operating principle, and Figure 4 being 1
The circuit diagram of the conventional example, FIG. 5, is an operation waveform diagram of each part of this circuit. 7...Timer circuit, 12...Delay circuit, Tr 1
...Transistor (switching element), R3 ...
...Resistance (overcurrent detection element), C...Capacitor (
capacitive load).
Claims (1)
グ素子と、 このスイツチング素子に直列に接続された過電
流検知素子を有する過電流保護回路において、 前記信号を遅延する遅延回路と、 この遅延回路の出力信号発生時に過電流が検知
された場合には前記信号の遮断を所定時間行うタ
イマ回路を具備することを特徴とする過電流保護
回路。[Claims for Utility Model Registration] An overcurrent protection circuit that includes a switching element that receives a signal and switches on and off the output current, and an overcurrent detection element that is connected in series to the switching element, the delay circuit that delays the signal. An overcurrent protection circuit comprising: a timer circuit that cuts off the signal for a predetermined period of time if an overcurrent is detected when the output signal of the delay circuit is generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9509086U JPS633630U (en) | 1986-06-20 | 1986-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9509086U JPS633630U (en) | 1986-06-20 | 1986-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS633630U true JPS633630U (en) | 1988-01-11 |
Family
ID=30959222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9509086U Pending JPS633630U (en) | 1986-06-20 | 1986-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01202197A (en) * | 1988-02-05 | 1989-08-15 | Aisin Seiki Co Ltd | Motor driver |
-
1986
- 1986-06-20 JP JP9509086U patent/JPS633630U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01202197A (en) * | 1988-02-05 | 1989-08-15 | Aisin Seiki Co Ltd | Motor driver |