JPS6425890U - - Google Patents

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Publication number
JPS6425890U
JPS6425890U JP12018087U JP12018087U JPS6425890U JP S6425890 U JPS6425890 U JP S6425890U JP 12018087 U JP12018087 U JP 12018087U JP 12018087 U JP12018087 U JP 12018087U JP S6425890 U JPS6425890 U JP S6425890U
Authority
JP
Japan
Prior art keywords
voltage
circuit
motor
current
outputs
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
JP12018087U
Other languages
Japanese (ja)
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 JP12018087U priority Critical patent/JPS6425890U/ja
Publication of JPS6425890U publication Critical patent/JPS6425890U/ja
Pending 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 the drawing]

図面はこの考案の一実施例を説明するための図
であり、第１図はブロツク構成図、第２図は電流
センサーの概略構成図、第３図はモータの起動、
停止時における通電電流の瞬時的な変化の説明図
、第４図はモータの発振時における通電電流の変
化の説明図である。 １……直流モータ、２……ドライバー、３……
電流センサー、４……整流回路、５……電圧検出
回路、６……表示器、７……制御回路、Ｌ……通
電回路。 The drawings are diagrams for explaining one embodiment of this invention, in which Fig. 1 is a block diagram, Fig. 2 is a schematic diagram of the current sensor, and Fig. 3 is a diagram showing the starting of the motor.
FIG. 4 is an explanatory diagram of instantaneous changes in the applied current when the motor is stopped, and FIG. 4 is an explanatory diagram of changes in the applied current when the motor oscillates. 1...DC motor, 2...driver, 3...
Current sensor, 4... Rectifier circuit, 5... Voltage detection circuit, 6... Display device, 7... Control circuit, L... Energizing circuit.

Claims (1)

【実用新案登録請求の範囲】 直流モータの通電回路近傍に位置するコイルか
ら、通電回路中の交流成分によつて誘起される交
流電圧を出力する電流センサーと、 前記電流センサーから出力された交流電圧を直
流電圧に変換する整流回路と、 前記整流回路にて変換された直流電圧が所定の
基準電圧以上であるときに直流モータの発振検知
信号を出力する電圧検出回路とを具備してなるこ
とを特徴とする直流モータの発振検知回路。[Claims for Utility Model Registration] A current sensor that outputs an AC voltage induced by an AC component in the current-carrying circuit from a coil located near the current-carrying circuit of a DC motor; and an AC voltage output from the current sensor. and a voltage detection circuit that outputs a DC motor oscillation detection signal when the DC voltage converted by the rectification circuit is equal to or higher than a predetermined reference voltage. Characteristic DC motor oscillation detection circuit.
JP12018087U 1987-08-05 1987-08-05 Pending JPS6425890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12018087U JPS6425890U (en) 1987-08-05 1987-08-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12018087U JPS6425890U (en) 1987-08-05 1987-08-05

Publications (1)

Publication Number Publication Date
JPS6425890U true JPS6425890U (en) 1989-02-14

Family

ID=31366062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12018087U Pending JPS6425890U (en) 1987-08-05 1987-08-05

Country Status (1)

Country Link
JP (1) JPS6425890U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466401A (en) * 1977-11-05 1979-05-29 Mitsubishi Electric Corp Anomalousness detector for circuit in rotary machine
JPS5788855A (en) * 1980-11-25 1982-06-02 Toshiba Corp Brushless rotary electric machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466401A (en) * 1977-11-05 1979-05-29 Mitsubishi Electric Corp Anomalousness detector for circuit in rotary machine
JPS5788855A (en) * 1980-11-25 1982-06-02 Toshiba Corp Brushless rotary electric machine

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