JPS5985094U - DC motor speed control circuit - Google Patents

DC motor speed control circuit

Info

Publication number
JPS5985094U
JPS5985094U JP1982180225U JP18022582U JPS5985094U JP S5985094 U JPS5985094 U JP S5985094U JP 1982180225 U JP1982180225 U JP 1982180225U JP 18022582 U JP18022582 U JP 18022582U JP S5985094 U JPS5985094 U JP S5985094U
Authority
JP
Japan
Prior art keywords
motor
control circuit
speed control
circuit
rotation
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
Application number
JP1982180225U
Other languages
Japanese (ja)
Inventor
操 古谷
晃 中村
吉沢　輝久
Original Assignee
ミツミ電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ミツミ電機株式会社 filed Critical ミツミ電機株式会社
Priority to JP1982180225U priority Critical patent/JPS5985094U/en
Publication of JPS5985094U publication Critical patent/JPS5985094U/en
Pending legal-status Critical Current

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  • 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図は本考案回路の一実施例の回路図である。 １・・・・・・集積回路、２〜９・・・・・・端子、１
０・・曲直流モータ、１１・・・・・・パルス発生器、
１２，１４゜１６・・・・・・演算増幅器（オペアンプ
）、Ｒ１〜Ｒ□２・・・・・・抵抗、Ｃ１〜Ｃ３・・・
・・・コンデンサ、Ｑ１〜Ｑ８・・・・・・トランジス
タ。The figure is a circuit diagram of one embodiment of the circuit of the present invention. 1...Integrated circuit, 2-9...Terminal, 1
0... Curved DC motor, 11... Pulse generator,
12,14゜16...Operation amplifier, R1~R□2...Resistor, C1~C3...
...Capacitor, Q1-Q8...Transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流モータの回転の変動に応じた該直流モータを流れる
電流の変動を検出回路により誤差電圧として検出し、該
誤差電圧に応じて該直流モータに供給する電流を変化さ
せ該直流モータの回転数が一定となるよう制御しており
、その主要部分を半導体集積回路とされた直流モータの
速度制御回路において、該集積回路外に設けられ該直流
モータの回転の有無を検出して得た回転検出信号を所定
時間遅延する遅延回路と、該集積回路内に設けられ該回
転検出信号が供給されているとき該検出回路に該検出回
路を動作せしめる駆動電流を供給する制御回路を具備し
てなる直流モータの速度制御回路。A detection circuit detects fluctuations in the current flowing through the DC motor in response to fluctuations in the rotation of the DC motor as an error voltage, and changes the current supplied to the DC motor in accordance with the error voltage to increase the rotational speed of the DC motor. In a speed control circuit for a DC motor whose main part is a semiconductor integrated circuit, the rotation detection signal is provided outside the integrated circuit and is obtained by detecting the presence or absence of rotation of the DC motor. and a control circuit provided in the integrated circuit to supply a drive current to the detection circuit to operate the detection circuit when the rotation detection signal is supplied. speed control circuit.
JP1982180225U 1982-11-29 1982-11-29 DC motor speed control circuit Pending JPS5985094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982180225U JPS5985094U (en) 1982-11-29 1982-11-29 DC motor speed control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982180225U JPS5985094U (en) 1982-11-29 1982-11-29 DC motor speed control circuit

Publications (1)

Publication Number Publication Date
JPS5985094U true JPS5985094U (en) 1984-06-08

Family

ID=30390825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982180225U Pending JPS5985094U (en) 1982-11-29 1982-11-29 DC motor speed control circuit

Country Status (1)

Country Link
JP (1) JPS5985094U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103982A (en) * 1979-12-29 1981-08-19 Sankyo Seiki Mfg Co Ltd Speed control device for small dc motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103982A (en) * 1979-12-29 1981-08-19 Sankyo Seiki Mfg Co Ltd Speed control device for small dc motor

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