JPS6196795U - - Google Patents
Info
- Publication number
- JPS6196795U JPS6196795U JP17826285U JP17826285U JPS6196795U JP S6196795 U JPS6196795 U JP S6196795U JP 17826285 U JP17826285 U JP 17826285U JP 17826285 U JP17826285 U JP 17826285U JP S6196795 U JPS6196795 U JP S6196795U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- signal
- circuit
- thyristor
- electric driver
- 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
- 238000000605 extraction Methods 0.000 claims 1
Landscapes
- Stopping Of Electric Motors (AREA)
Description
第１図は従来の電動ドライバ駆動制御回路、第
２図は本考案による電動ドライバ駆動制御回路。
図中、１は整流部、２は微分回路、３はモノマ
ルチバイブレータ、Ｍは直流電動機。
FIG. 1 shows a conventional electric screwdriver drive control circuit, and FIG. 2 shows an electric screwdriver drive control circuit according to the present invention. In the figure, 1 is a rectifier, 2 is a differential circuit, 3 is a mono-multivibrator, and M is a DC motor.
Claims (1)
において、前記電動機に直列に接続されて該電動
機への電源をオン，オフする第１のサイリスタと
、前記電動機電圧から該電動機の回転中に発生す
る火花雑音等による雑音信号を抽出する回路と、
該抽出信号が一定時間途絶えたことを検出して信
号を出力する回路と、該信号出力回路の出力信号
で前記第１のサイリスタをターンオフする第２の
サイリスタとを含むことを特徴とする電動ドライ
バの駆動制御回路。 In an automatic stop electric driver using a DC motor, a first thyristor is connected in series with the motor to turn on and off power to the motor, and a spark noise generated from the motor voltage while the motor is rotating. A circuit for extracting a noise signal due to etc.,
An electric driver comprising: a circuit that detects that the extraction signal is interrupted for a certain period of time and outputs a signal; and a second thyristor that turns off the first thyristor with the output signal of the signal output circuit. drive control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17826285U JPS6196795U (en) | 1985-11-21 | 1985-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17826285U JPS6196795U (en) | 1985-11-21 | 1985-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196795U true JPS6196795U (en) | 1986-06-21 |
Family
ID=30735831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17826285U Pending JPS6196795U (en) | 1985-11-21 | 1985-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196795U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50144023A (en) * | 1974-05-10 | 1975-11-19 |
-
1985
- 1985-11-21 JP JP17826285U patent/JPS6196795U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50144023A (en) * | 1974-05-10 | 1975-11-19 |