JPS583795U - DC motor speed control circuit - Google Patents
DC motor speed control circuitInfo
- Publication number
- JPS583795U JPS583795U JP1981096400U JP9640081U JPS583795U JP S583795 U JPS583795 U JP S583795U JP 1981096400 U JP1981096400 U JP 1981096400U JP 9640081 U JP9640081 U JP 9640081U JP S583795 U JPS583795 U JP S583795U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- control circuit
- speed control
- motor speed
- operational amplifier
- 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
- Control Of Direct Current Motors (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図は従来例のモニタの速度制御回路、第２図は本
考案の一実施例になるモータの速度制御回路一
路を示す。 −
Ｑ、、 Ｑ２・・・トランジスタ、１〜４．１０〜１３
゛・・・端子、５・・・モータ、７・・・演算増巾
器、８．８′・・・基準電圧源、９．９′・・・定電流
源。1 shows a speed control circuit for a conventional monitor, and FIG. 2 shows a speed control circuit for a motor according to an embodiment of the present invention. - Q,, Q2...transistor, 1-4.10-13
゛...terminal, 5...motor, 7...arithmetic amplifier, 8.8'...reference voltage source, 9.9'...constant current source.
Claims (1)
を演算増巾器にて比較し、−二の比較により検出された
差電圧によって該直流モータの駆動電流を制御して該モ
ータの回転数を一定とする直流モータの速度制御回路に
おいて、該基準電圧を° 該演算増巾器の入力の一
端と該直流モータドライブ用トランジスタの出力との間
に接続した事を特＼ 徴とする直流モータの速度制御回路。[Claims for Utility Model Registration] The back electromotive force that occurs due to rotation of a DC motor and a reference voltage are compared using an operational amplifier, and the drive current of the DC motor is determined by the differential voltage detected by the -2 comparison. In a speed control circuit for a DC motor that controls the number of revolutions of the motor to be constant, the reference voltage is connected between one end of the input of the operational amplifier and the output of the DC motor drive transistor. A speed control circuit for a DC motor with the following characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981096400U JPS583795U (en) | 1981-06-29 | 1981-06-29 | DC motor speed control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981096400U JPS583795U (en) | 1981-06-29 | 1981-06-29 | DC motor speed control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS583795U true JPS583795U (en) | 1983-01-11 |
| JPS6341839Y2 JPS6341839Y2 (en) | 1988-11-02 |
Family
ID=29891264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981096400U Granted JPS583795U (en) | 1981-06-29 | 1981-06-29 | DC motor speed control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS583795U (en) |
-
1981
- 1981-06-29 JP JP1981096400U patent/JPS583795U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6341839Y2 (en) | 1988-11-02 |
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