JPS612800U - Pulse motor drive circuit - Google Patents

Pulse motor drive circuit

Info

Publication number
JPS612800U
JPS612800U JP8671684U JP8671684U JPS612800U JP S612800 U JPS612800 U JP S612800U JP 8671684 U JP8671684 U JP 8671684U JP 8671684 U JP8671684 U JP 8671684U JP S612800 U JPS612800 U JP S612800U
Authority
JP
Japan
Prior art keywords
circuit
pulse motor
pulse
drive
signal
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
JP8671684U
Other languages
Japanese (ja)
Inventor
達 斉藤
典利 岡部
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP8671684U priority Critical patent/JPS612800U/en
Publication of JPS612800U publication Critical patent/JPS612800U/en
Pending legal-status Critical Current

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  • Control Of Stepping 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図は従来のチョツパ一方式定電流パルスモ・ 一タ
駆動回路構成図、第２図、第３図は本考案の回路構成図
である。 １９・・・・・・電圧一パルス幅変調変換回路、２１〜
２４・・・・・・パルスモータ駆動信号（被変調信号）
、２５・・・・・・パルス幅変調信号、２７・・・・・
・変調回路３の出力（２１〜２４と２５の合成信号）、
２６・・・φ●●パルス幅変調信号２ ５のパルス幅、
２８●…●●パルスモータ停止時用変調信号発生回路、
２９・・・・・・スイツ、チング回路。FIG. 1 is a block diagram of a conventional chopper one-way constant current pulse motor drive circuit, and FIGS. 2 and 3 are circuit diagrams of the present invention. 19...Voltage-pulse width modulation conversion circuit, 21-
24...Pulse motor drive signal (modulated signal)
, 25...Pulse width modulation signal, 27...
・Output of modulation circuit 3 (combined signal of 21 to 24 and 25),
26...φ●●Pulse width modulation signal 2 5 pulse width,
28●…●● Modulation signal generation circuit for pulse motor stop,
29...Suits, Ching circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] パルスモータを駆りする信号を発生する駆動信号発生回
路、前記駆動信号の発生時期を制御するパルスレートを
発生するパルス発生回路、パルスモー、タの励磁電流を
検出しパルス幅変調信号に変換する電圧一パルス幅変調
変換回路、前記変調信号で前記駆動信号を変調する変調
回路、前記変調回路の出力をパルスモータへ伝達する電
力増幅回、、 路、及び駆動電源から構成されるパ
ルスモータ駆動回路において、パルスモータ停止時に回
転時より小さい励磁電流を流す変調信号を発生する変調
信号発生回路、及び前記電圧一パルス幅変調変換回路と
の切換えを行なうスイッチング回路を設けたこどを特徴
とするパルスモータ駆動回路。A drive signal generation circuit that generates a signal to drive the pulse motor, a pulse generation circuit that generates a pulse rate that controls the generation timing of the drive signal, a voltage generator that detects the excitation current of the pulse motor and converts it into a pulse width modulation signal. A pulse motor drive circuit comprising a pulse width modulation conversion circuit, a modulation circuit that modulates the drive signal with the modulation signal, a power amplification circuit that transmits the output of the modulation circuit to the pulse motor, and a drive power source, A pulse motor drive circuit comprising a modulation signal generation circuit that generates a modulation signal that causes a smaller excitation current to flow when the pulse motor is stopped than when the pulse motor is rotating, and a switching circuit that performs switching between the voltage and the pulse width modulation conversion circuit. .
JP8671684U 1984-06-13 1984-06-13 Pulse motor drive circuit Pending JPS612800U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8671684U JPS612800U (en) 1984-06-13 1984-06-13 Pulse motor drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8671684U JPS612800U (en) 1984-06-13 1984-06-13 Pulse motor drive circuit

Publications (1)

Publication Number Publication Date
JPS612800U true JPS612800U (en) 1986-01-09

Family

ID=30638283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8671684U Pending JPS612800U (en) 1984-06-13 1984-06-13 Pulse motor drive circuit

Country Status (1)

Country Link
JP (1) JPS612800U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129879A (en) * 1987-11-16 1989-05-23 Brother Ind Ltd Electrically sewing machine with embroidering apparatus
JPH01129880A (en) * 1987-11-16 1989-05-23 Brother Ind Ltd Electrically sewing machine with embroidering apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01129879A (en) * 1987-11-16 1989-05-23 Brother Ind Ltd Electrically sewing machine with embroidering apparatus
JPH01129880A (en) * 1987-11-16 1989-05-23 Brother Ind Ltd Electrically sewing machine with embroidering apparatus

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