JPS59132396U - Pulse motor drive circuit - Google Patents
Pulse motor drive circuitInfo
- Publication number
- JPS59132396U JPS59132396U JP2649183U JP2649183U JPS59132396U JP S59132396 U JPS59132396 U JP S59132396U JP 2649183 U JP2649183 U JP 2649183U JP 2649183 U JP2649183 U JP 2649183U JP S59132396 U JPS59132396 U JP S59132396U
- Authority
- JP
- Japan
- Prior art keywords
- pulse motor
- motor drive
- drive circuit
- reference voltage
- differential amplifier
- 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
Links
Landscapes
- 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
第１図は従来のパルスモータ駆動回路図、第２図ａ、
ｂは時間に対するパルスモータによる対象物の移動変
位と時間に対して差動増幅器の非反転入力端子に供給さ
れる基準電圧を表した波形図、第３図は本考案のパルス
モータ駆動回路の一実施例回路図である。
１、 ２． ３． ４・・・・・・相切換え用半導体ス
イッチ、５、 ６． ７． ８・・・・・・パルスモー
タの励磁コイル、９・・・・・・定電流供給用半導体ス
イッチ〔半導体スイッチ〕、１０・・・・・・直流電源
、１１・・・・・・可変パルス発振器、１２・・・・・
・差動増幅器、１３・・・・・・基準電圧発生装置、１
４・・・・・・パワーダウン回路、１５・・・・・・具
ワーダウン用半導体スイッチ、１７・・・・・・電流検
知回路、１８・・・・・・タイマ回路。Figure 1 is a conventional pulse motor drive circuit diagram, Figure 2a,
b is a waveform diagram showing the displacement of the object by the pulse motor versus time and the reference voltage supplied to the non-inverting input terminal of the differential amplifier versus time, and Figure 3 shows one of the pulse motor drive circuits of the present invention. It is an example circuit diagram. 1, 2. 3. 4...Semiconductor switch for phase switching, 5, 6. 7. 8... Excitation coil of pulse motor, 9... Semiconductor switch for constant current supply [semiconductor switch], 10... DC power supply, 11... Variable pulse Oscillator, 12...
・Differential amplifier, 13...Reference voltage generator, 1
4...Power down circuit, 15... Semiconductor switch for power down, 17... Current detection circuit, 18... Timer circuit.
Claims (1)
比較する差動増幅器と、この差動増幅器の出力により前
記パルスモータに流れる電流を制御する半導体スイッチ
と、前記基準電圧の発生を制御するパワーダウン回路と
、前記パルスモータの停止指示信号を一定時間蓮延して
前記パワーダウン回路に供給するタイマ回路とを設けた
パルスモータ駆動回路。a differential amplifier that compares a reference voltage with current feedback from the pulse motor; a semiconductor switch that controls the current flowing to the pulse motor using the output of the differential amplifier; and a power down circuit that controls the generation of the reference voltage. and a timer circuit that delays a stop instruction signal for the pulse motor for a certain period of time and supplies the signal to the power down circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2649183U JPS59132396U (en) | 1983-02-23 | 1983-02-23 | Pulse motor drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2649183U JPS59132396U (en) | 1983-02-23 | 1983-02-23 | Pulse motor drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59132396U true JPS59132396U (en) | 1984-09-05 |
Family
ID=30157405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2649183U Pending JPS59132396U (en) | 1983-02-23 | 1983-02-23 | Pulse motor drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59132396U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312014A (en) * | 1976-07-20 | 1978-02-03 | Mitsubishi Electric Corp | Driver circuit |
-
1983
- 1983-02-23 JP JP2649183U patent/JPS59132396U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312014A (en) * | 1976-07-20 | 1978-02-03 | Mitsubishi Electric Corp | Driver circuit |
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