JPS5822894U - DC motor speed control device - Google Patents

DC motor speed control device

Info

Publication number
JPS5822894U
JPS5822894U JP1981115392U JP11539281U JPS5822894U JP S5822894 U JPS5822894 U JP S5822894U JP 1981115392 U JP1981115392 U JP 1981115392U JP 11539281 U JP11539281 U JP 11539281U JP S5822894 U JPS5822894 U JP S5822894U
Authority
JP
Japan
Prior art keywords
motor
circuit
speed control
resistance
resistive
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
JP1981115392U
Other languages
Japanese (ja)
Inventor
武内　恒人
Original Assignee
株式会社三協精機製作所
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 株式会社三協精機製作所 filed Critical 株式会社三協精機製作所
Priority to JP1981115392U priority Critical patent/JPS5822894U/en
Publication of JPS5822894U publication Critical patent/JPS5822894U/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) [Summary] 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 drawings]

第１図は従来の直流モータの速度制御装置、第２図は基
準電圧源の回路図、第３図は基準電圧の温度特性図、第
４図は、本考案の一実施例、第５図は本考案の他の実施
例である。 １・・・アナログＩＣ，２・・・直流モータ、３・・・
基準電圧源、Ｑ、・・・駆動トラン、ジスタ、Ｑ２・・
・分流トランジスタ、Ｑ３・・・誤差増幅器、Ｒ１，Ｒ
２・・・抵抗、Ｒ３・・・等価抵抗、Ｒ６，Ｒ６・・・
分圧抵抗。Fig. 1 is a conventional speed control device for a DC motor, Fig. 2 is a circuit diagram of a reference voltage source, Fig. 3 is a temperature characteristic diagram of the reference voltage, Fig. 4 is an embodiment of the present invention, Fig. 5 is another embodiment of the present invention. 1...Analog IC, 2...DC motor, 3...
Reference voltage source, Q... Drive transformer, resistor, Q2...
・Shunt transistor, Q3...Error amplifier, R1, R
2...Resistance, R3...Equivalent resistance, R6, R6...
Partial voltage resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流モータと、前記直流モータに直列に接続されて前記
直流モータを駆動する駆動トランジスタと、前記直流モ
ータの内部抵抗に対応した等価抵抗と、前記等価抵抗に
直列接続されて前記直流モータに流れる電流に比例した
電流を流す分流トランジスタと、前記直流モータと前記
等価抵抗との間に接続して前記直流モータの速度に比例
した信号電圧を発生する抵抗回路と、前記直流モータの
速度制御の基準となる基準電圧源に並列接続されてその
基準電圧を分圧する抵抗温度係数が略等しい抵抗要素か
らなる抵抗分圧器回路と、前記抵抗回路と前記抵抗分圧
器回路とからの信号が入力されて前記駆動トランジスタ
と前記分流トランジスタを制御する信号を出力する誤差
増幅回路とからなる直流モータの速度制御装置。。a DC motor, a drive transistor connected in series to the DC motor to drive the DC motor, an equivalent resistance corresponding to the internal resistance of the DC motor, and a current connected in series to the equivalent resistance to flow to the DC motor. a shunt transistor that flows a current proportional to the current; a resistance circuit connected between the DC motor and the equivalent resistance to generate a signal voltage proportional to the speed of the DC motor; and a reference for speed control of the DC motor. a resistive voltage divider circuit consisting of resistive elements having substantially equal resistance temperature coefficients connected in parallel to a reference voltage source to divide the reference voltage, and signals from the resistive circuit and the resistive voltage divider circuit being inputted to the driving circuit. A speed control device for a DC motor, comprising a transistor and an error amplifier circuit that outputs a signal for controlling the shunt transistor. .
JP1981115392U 1981-08-03 1981-08-03 DC motor speed control device Pending JPS5822894U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981115392U JPS5822894U (en) 1981-08-03 1981-08-03 DC motor speed control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981115392U JPS5822894U (en) 1981-08-03 1981-08-03 DC motor speed control device

Publications (1)

Publication Number Publication Date
JPS5822894U true JPS5822894U (en) 1983-02-12

Family

ID=29909655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981115392U Pending JPS5822894U (en) 1981-08-03 1981-08-03 DC motor speed control device

Country Status (1)

Country Link
JP (1) JPS5822894U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612532A (en) * 1984-06-15 1986-01-08 Konishiroku Photo Ind Co Ltd Ultrasonic welding method and device thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5053816A (en) * 1973-09-13 1975-05-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5053816A (en) * 1973-09-13 1975-05-13

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612532A (en) * 1984-06-15 1986-01-08 Konishiroku Photo Ind Co Ltd Ultrasonic welding method and device thereof
JPH0261901B2 (en) * 1984-06-15 1990-12-21 Konishiroku Photo Ind

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