JPS5859390U - Speed control device for small DC motor - Google Patents

Speed control device for small DC motor

Info

Publication number
JPS5859390U
JPS5859390U JP1982118311U JP11831182U JPS5859390U JP S5859390 U JPS5859390 U JP S5859390U JP 1982118311 U JP1982118311 U JP 1982118311U JP 11831182 U JP11831182 U JP 11831182U JP S5859390 U JPS5859390 U JP S5859390U
Authority
JP
Japan
Prior art keywords
motor
collector
emitter
power supply
small
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
JP1982118311U
Other languages
Japanese (ja)
Inventor
誠 小倉
Original Assignee
ジエコ−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 ジエコ−株式会社 filed Critical ジエコ−株式会社
Priority to JP1982118311U priority Critical patent/JPS5859390U/en
Publication of JPS5859390U publication Critical patent/JPS5859390U/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図は従来の例の回路図、第２図は本考案の基本的実
施例の回路図、第３〜７図は各々本考案の他の実施例の
回路図である。 ＴＲ１・・・・・・制御トランジスタ、ＴＲ２・・・・
・・増幅トランジスタ、ＴＲ３・・・・・・駆動トラン
ジスタ、Ｍ・・・・・・直流電動機、ＶＲ・・・・・・
制御抵抗、Ｒｏ、　Ｒ２，Ｒ３，Ｒ，。 Ｒ，、Ｒ６，Ｒ７，Ｒ８・・・・・・抵抗、Ｃ１，Ｃ２
，Ｃ３・・・・・・コンデンサ、ＳＷ・・・・・・スイ
ッチ、ＤＺ・・・・・・ツェナーダイオード、Ｄ・・・
・・・ダイオード、Ｔｈ・・・・・・サーミスタ。FIG. 1 is a circuit diagram of a conventional example, FIG. 2 is a circuit diagram of a basic embodiment of the present invention, and FIGS. 3 to 7 are circuit diagrams of other embodiments of the present invention. TR1... Control transistor, TR2...
...Amplification transistor, TR3...Drive transistor, M...DC motor, VR...
Control resistance, Ro, R2, R3, R,. R,, R6, R7, R8...Resistance, C1, C2
, C3... Capacitor, SW... Switch, DZ... Zener diode, D...
...Diode, Th...Thermistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ベースは電源よりバイアスを与えるための抵抗Ｒ１およ
びＲ２の接続点に接続しエミッタは直接または間接的に
アース回路に接続しコレクタは抵抗Ｒ３を介して電源に
接続したところの制御トランジスタと、ベースは該制御
トランジスタのコレクタに接続しエミッタは直接または
間接的にアース回路に接続しコレクタは後記の駆動トラ
ンジス多のベースに接続したところの増幅トランジスタ
と、エミッタは電源に接続しコレクタは直流電動機に接
続しそのエミッタ・コレクタと該直流電動機と電源によ
り直列回路を形成するところの駆動トランジスタとより
なり、該駆動トランジスタのコレクタと直流電動機の接
続点を制御抵抗を介して前起制御トランジスタのベース
に接続したことを特徴とする小型直流電動機の速度制御
装置。The base is connected to the connection point of resistors R1 and R2 for applying bias from the power supply, the emitter is directly or indirectly connected to the ground circuit, and the collector is connected to the power supply via resistor R3. An amplifier transistor is connected to the collector of the control transistor, the emitter is directly or indirectly connected to the ground circuit, and the collector is connected to the base of the drive transistor described later, the emitter is connected to the power supply, and the collector is connected to the DC motor. It consists of a drive transistor that forms a series circuit with its emitter/collector, the DC motor, and a power supply, and the connection point between the collector of the drive transistor and the DC motor is connected to the base of the front control transistor via a control resistor. A speed control device for a small DC motor, which is characterized by:
JP1982118311U 1982-08-05 1982-08-05 Speed control device for small DC motor Pending JPS5859390U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982118311U JPS5859390U (en) 1982-08-05 1982-08-05 Speed control device for small DC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982118311U JPS5859390U (en) 1982-08-05 1982-08-05 Speed control device for small DC motor

Publications (1)

Publication Number Publication Date
JPS5859390U true JPS5859390U (en) 1983-04-21

Family

ID=29912455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982118311U Pending JPS5859390U (en) 1982-08-05 1982-08-05 Speed control device for small DC motor

Country Status (1)

Country Link
JP (1) JPS5859390U (en)

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