JPS58174997U - DC motor speed control device - Google Patents
DC motor speed control deviceInfo
- Publication number
- JPS58174997U JPS58174997U JP1983051986U JP5198683U JPS58174997U JP S58174997 U JPS58174997 U JP S58174997U JP 1983051986 U JP1983051986 U JP 1983051986U JP 5198683 U JP5198683 U JP 5198683U JP S58174997 U JPS58174997 U JP S58174997U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- motor
- control device
- speed control
- comparison
- 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 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
第１図は従来の直流モータの速度制御装置の１例の回路
系統図、第２図は第１図に示すモータの゛回転数−トル
ク特性図、第３図は第１図に示すモータの改善度特性図
、第４図は本考案になる直流モータの速度制御装置の１
実施例の回路図、第５図は第４図に示す回路の動作を説
明するための電 ゛圧波形図、第６図は第４図に示す
回路の等価回路図、第７図は第６図に示す回路の等価回
路図である。
４・・・直流モータ、５．７・・・ＦＥＴ、５・・・パ
ルス電圧入力端子、８・・・差動増幅器、９・・・基準
電圧電源、Ｘ□〜Ｘ３”）ランジスタ、Ｃ２・・・コン
デンサ。Fig. 1 is a circuit diagram of an example of a conventional DC motor speed control device, Fig. 2 is a rotation speed-torque characteristic diagram of the motor shown in Fig. 1, and Fig. 3 is a diagram of the motor shown in Fig. 1. The improvement characteristic diagram, Figure 4, shows one example of the speed control device for a DC motor according to the present invention.
5 is a voltage waveform diagram for explaining the operation of the circuit shown in FIG. 4, FIG. 6 is an equivalent circuit diagram of the circuit shown in FIG. 4, and FIG. 7 is an equivalent circuit diagram of the circuit shown in FIG. FIG. 2 is an equivalent circuit diagram of the circuit shown in the figure. 4... DC motor, 5.7... FET, 5... Pulse voltage input terminal, 8... Differential amplifier, 9... Reference voltage power supply, X□~X3") transistor, C2. ...Capacitor.
Claims (1)
時間スイツチングすることにより該直流モータの逆起電
圧を該所定時間間隔で検出するスイッチング手段と、該
スイッチング手段により検出された逆起電圧を一時保持
する手段と、基準電圧源と、該スイッチング手段にて該
逆起電圧を検出していない期間該逆起電圧保持手段より
の電圧に応じた電圧と該基準電圧源からの基準電圧とを
比較して比較誤差電圧を得る比較手段と、該比較手段か
らの該比較誤差電圧に応じた電圧を該直流−モータに供
給することにより該直流モータの速度を制御する手段と
よりなることを特徴とする直流モータの速度制御装置。A switching means connected to a controlled DC motor and detecting a back electromotive voltage of the DC motor at predetermined time intervals by switching at predetermined time intervals; means for temporarily holding, a reference voltage source, and a voltage corresponding to the voltage from the back electromotive voltage holding means and a reference voltage from the reference voltage source during a period when the switching means is not detecting the back electromotive voltage; Comparing means to obtain a comparison error voltage by comparison, and means for controlling the speed of the DC motor by supplying a voltage corresponding to the comparison error voltage from the comparison means to the DC motor. A speed control device for a DC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983051986U JPS58174997U (en) | 1983-04-07 | 1983-04-07 | DC motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983051986U JPS58174997U (en) | 1983-04-07 | 1983-04-07 | DC motor speed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58174997U true JPS58174997U (en) | 1983-11-22 |
Family
ID=30062705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983051986U Pending JPS58174997U (en) | 1983-04-07 | 1983-04-07 | DC motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58174997U (en) |
-
1983
- 1983-04-07 JP JP1983051986U patent/JPS58174997U/en active Pending
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