JPS5837796U - Control circuit for small DC motor - Google Patents
Control circuit for small DC motorInfo
- Publication number
- JPS5837796U JPS5837796U JP1981132286U JP13228681U JPS5837796U JP S5837796 U JPS5837796 U JP S5837796U JP 1981132286 U JP1981132286 U JP 1981132286U JP 13228681 U JP13228681 U JP 13228681U JP S5837796 U JPS5837796 U JP S5837796U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- control circuit
- small
- drive current
- speed
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案によるモーター制御回路の一実施例を示
す回路接続図、第２図、第３図、第４図は本考案による
モーター制御回路の動作を説明するための波形図で、第
２図は通常駆動時、第３図はモーター起動時で駆動力最
大となった状態、第、 ４図はモーター駆動力０となっ
た状態をそれぞれ示す。
、 Ｍ・・・小型直流モーター、ＦＧ・・・ＡＣタコ
ジェネレーター、Ｑｌ・・・ユニジャンジョントランジ
スタ、Ｑ２〜Ｑ６・・・ｎＰｎ ）ランジスタ、Ｄｌ、
Ｄ２・・・ダイオード、Ｃ１〜Ｃ４・・・・・・コンデ
ンサー、Ｒ１−Ｒ１４・・・抵抗、 −ＶＲｌ・・・可
変抵抗。FIG. 1 is a circuit connection diagram showing one embodiment of the motor control circuit according to the present invention, and FIGS. 2, 3, and 4 are waveform diagrams for explaining the operation of the motor control circuit according to the present invention. Figure 2 shows normal driving, Figure 3 shows the state when the motor is started and the driving force is at its maximum, and Figures 4 and 4 show the state when the motor driving force is 0. , M...small DC motor, FG...AC tacho generator, Ql...unijunction transistor, Q2~Q6...nPn) transistor, Dl,
D2...Diode, C1-C4...Capacitor, R1-R14...Resistor, -VRl...Variable resistor.
Claims (1)
をさせる速度制御回路において、前記電動機の回転数に
比例する直流電圧と鋸歯状波電圧との重畳信号を入力と
するシュミット回路を備え、該シュミット回路の出力に
発生するパルス幅がほぼ０％から１００％まで変化する
パルス信号により、前記電動機の駆動電流を制御せしめ
ることを特徴とする小型直流電動機の制御回路。A speed control circuit for causing a small DC motor to rotate at a constant speed by passing a pulse wave drive current, comprising a Schmitt circuit receiving as input a superimposed signal of a DC voltage proportional to the rotation speed of the motor and a sawtooth wave voltage, A control circuit for a small direct current motor, characterized in that the drive current of the motor is controlled by a pulse signal generated at the output of a Schmitt circuit whose pulse width varies from approximately 0% to 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981132286U JPS5837796U (en) | 1981-09-04 | 1981-09-04 | Control circuit for small DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981132286U JPS5837796U (en) | 1981-09-04 | 1981-09-04 | Control circuit for small DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5837796U true JPS5837796U (en) | 1983-03-11 |
Family
ID=29925823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981132286U Pending JPS5837796U (en) | 1981-09-04 | 1981-09-04 | Control circuit for small DC motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5837796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63107915U (en) * | 1986-12-30 | 1988-07-12 | ||
| JPH01152907A (en) * | 1987-12-10 | 1989-06-15 | Suzuki Motor Co Ltd | Speed controller for electric motor car |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498709A (en) * | 1972-05-25 | 1974-01-25 |
-
1981
- 1981-09-04 JP JP1981132286U patent/JPS5837796U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS498709A (en) * | 1972-05-25 | 1974-01-25 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63107915U (en) * | 1986-12-30 | 1988-07-12 | ||
| JPH0411932Y2 (en) * | 1986-12-30 | 1992-03-24 | ||
| JPH01152907A (en) * | 1987-12-10 | 1989-06-15 | Suzuki Motor Co Ltd | Speed controller for electric motor car |
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