JPH0244897U - - Google Patents

Info

Publication number
JPH0244897U
JPH0244897U JP1988121987U JP12198788U JPH0244897U JP H0244897 U JPH0244897 U JP H0244897U JP 1988121987 U JP1988121987 U JP 1988121987U JP 12198788 U JP12198788 U JP 12198788U JP H0244897 U JPH0244897 U JP H0244897U
Authority
JP
Japan
Prior art keywords
terminal
power supply
external power
motor
speed control
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
Application number
JP1988121987U
Other languages
Japanese (ja)
Other versions
JP2520272Y2 (en
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 filed Critical
Priority to JP1988121987U priority Critical patent/JP2520272Y2/en
Publication of JPH0244897U publication Critical patent/JPH0244897U/ja
Application granted granted Critical
Publication of JP2520272Y2 publication Critical patent/JP2520272Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Control Of Direct Current Motors (AREA)

Description

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

第１図は本考案の第１の実施例の構成を示す直
流モータの回転速度制御装置の回路図、第２図は
第２の実施例の構成を示す回路図、また第３図は
従来の直流モータの回転速度制御装置の回路図を
示す。 符号の説明、Ａ……５端子ＩＣ回路、ＶＩＮ…
…電源入力端子、ＶＧ……グラウンド端子、Ｔ１
……第１の端子、Ｔ２……第２の端子、Ｔ３……
第３の端子、Ｖｃｃ……外部電源、Ｍ……直流モ
ータ、Ｒａ，Ｒｂ……速度設定用分圧抵抗、Ｒｔ
……分流抵抗、ＲＶ……（可変）抵抗。 FIG. 1 is a circuit diagram of a DC motor rotation speed control device showing the configuration of the first embodiment of the present invention, FIG. 2 is a circuit diagram showing the configuration of the second embodiment, and FIG. A circuit diagram of a DC motor rotation speed control device is shown. Explanation of symbols, A...5 terminal IC circuit, VIN...
...Power input terminal, VG...Ground terminal, T1
...First terminal, T2... Second terminal, T3...
Third terminal, Vcc...external power supply, M...DC motor, Ra, Rb...speed setting voltage dividing resistor, Rt
...Shunt resistance, RV... (variable) resistance.

Claims (1)

【実用新案登録請求の範囲】 外部電源を接続した電源入力端子と、接地され
たグラウンド端子と、一端を上記外部電源に接続
した直流モータの他端子を接続する第１の端子と
、上記外部電源に一端を接続した分流抵抗の他端
を接続した第２の端子と、上記直流モータの他端
子と上記分流抵抗の他端子間に外付け接続された
２つの速度設定用分圧抵抗の接続点を接続した第
３の端子とを備え、上記速度設定用分圧抵抗比を
選択することによつて回転速度を設定するように
した５端子型の直流モータの速度制御回路におい
て、 上記第２の端子とグラウンド端子間に、外部電
源電圧変動による電流変動を補償する抵抗を接続
したことを特徴とする、直流モータの回転速度制
御装置。[Claim for Utility Model Registration] A power input terminal connected to an external power supply, a ground terminal connected to the ground, a first terminal connected to the other terminal of the DC motor whose one end is connected to the external power supply, and the external power supply a second terminal to which one end is connected to the other end of the shunt resistor, and a connection point of two speed setting voltage divider resistors externally connected between the other terminal of the DC motor and the other terminal of the shunt resistor. In the speed control circuit for a five-terminal DC motor, the speed control circuit is provided with a third terminal connected to A rotation speed control device for a DC motor, characterized in that a resistor is connected between a terminal and a ground terminal to compensate for current fluctuations caused by external power supply voltage fluctuations.
JP1988121987U 1988-09-16 1988-09-16 DC motor rotation speed controller Expired - Fee Related JP2520272Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988121987U JP2520272Y2 (en) 1988-09-16 1988-09-16 DC motor rotation speed controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988121987U JP2520272Y2 (en) 1988-09-16 1988-09-16 DC motor rotation speed controller

Publications (2)

Publication Number Publication Date
JPH0244897U true JPH0244897U (en) 1990-03-28
JP2520272Y2 JP2520272Y2 (en) 1996-12-11

Family

ID=31369501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988121987U Expired - Fee Related JP2520272Y2 (en) 1988-09-16 1988-09-16 DC motor rotation speed controller

Country Status (1)

Country Link
JP (1) JP2520272Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638599U (en) * 1979-08-31 1981-04-11
JPS61231886A (en) * 1985-04-05 1986-10-16 Rohm Co Ltd Electronic governor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638599U (en) * 1979-08-31 1981-04-11
JPS61231886A (en) * 1985-04-05 1986-10-16 Rohm Co Ltd Electronic governor

Also Published As

Publication number Publication date
JP2520272Y2 (en) 1996-12-11

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