JPS63138895U - - Google Patents
Info
- Publication number
- JPS63138895U JPS63138895U JP1987032348U JP3234887U JPS63138895U JP S63138895 U JPS63138895 U JP S63138895U JP 1987032348 U JP1987032348 U JP 1987032348U JP 3234887 U JP3234887 U JP 3234887U JP S63138895 U JPS63138895 U JP S63138895U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- motor
- detection circuit
- power supply
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Electric Motors In General (AREA)
Description
第１図は本考案に係る直流モータ定速制御装置
の実施例を示す回路図、第２図は同上実施例の一
つの動作を説明するために一部を抜き出して示し
た回路図、第３図は上記実施例の別の動作を説明
するために一部を抜き出して示した回路図、第４
図は上記実施例の動作を説明するためのタイミン
グチヤート、第５図は従来の直流モータ定速制御
装置の一例を示す回路図、第６図は従来の直流モ
ータ定速制御装置の別の例を示す回路図である。
１０……直流モータ、１２……鋸歯状波又は三
角波電圧発生回路、Ａ，Ｂ……検出端子、ＣＰ１
……検出回路、Ｑ１……給電制御トランジスタ。
Fig. 1 is a circuit diagram showing an embodiment of the DC motor constant speed control device according to the present invention, Fig. 2 is a circuit diagram showing a part extracted to explain the operation of one of the above embodiments, and Fig. 3 The figure is a partially extracted circuit diagram for explaining another operation of the above embodiment.
The figure is a timing chart for explaining the operation of the above embodiment, FIG. 5 is a circuit diagram showing an example of a conventional DC motor constant speed control device, and FIG. 6 is another example of a conventional DC motor constant speed control device. FIG. 10...DC motor, 12...Sawtooth wave or triangular wave voltage generation circuit, A, B...detection terminal, CP 1
...detection circuit, Q1 ...power supply control transistor.
Claims (1)
回路の検出端子より上記直流モータの回転速度に
依存した逆起電圧を得、この逆起電圧と基準電圧
とを検出回路により比較し、この検出回路の出力
信号によつて上記ブリツジ回路の給電線路に挿入
した給電制御トランジスタを駆動して上記直流モ
ータの回転速度を一定に制御するように構成した
直流モータ定速制御装置において、上記基準電圧
は鋸歯状波又は三角波電圧発生回路から発生する
鋸歯状波又は三角波電圧とし、この電圧と前記逆
起電圧とを前記検出回路により比較し、この検出
回路のスイツチング出力信号を上記給電制御トラ
ンジスタに加えてなる直流モータ定速制御装置。 A back electromotive force that depends on the rotational speed of the DC motor is obtained from the detection terminal of a bridge circuit that includes a DC motor on one side, and this back electromotive voltage and a reference voltage are compared by a detection circuit, and the detection circuit In a DC motor constant speed control device configured to control the rotational speed of the DC motor to a constant level by driving a power supply control transistor inserted in the power supply line of the bridge circuit using an output signal, the reference voltage has a sawtooth shape. A sawtooth wave or triangular wave voltage is generated from a wave or triangular wave voltage generation circuit, this voltage is compared with the counter electromotive voltage by the detection circuit, and the switching output signal of this detection circuit is applied to the power supply control transistor. Motor constant speed control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987032348U JPS63138895U (en) | 1987-03-05 | 1987-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987032348U JPS63138895U (en) | 1987-03-05 | 1987-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63138895U true JPS63138895U (en) | 1988-09-13 |
Family
ID=30838939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987032348U Pending JPS63138895U (en) | 1987-03-05 | 1987-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138895U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189589A (en) * | 1981-05-19 | 1982-11-20 | Secoh Giken Inc | Bridge servo circuit by chopper control |
| JPS5836185A (en) * | 1981-08-27 | 1983-03-03 | Matsushita Electric Ind Co Ltd | Switching governor unit for dc motor |
| JPS58139688A (en) * | 1982-02-10 | 1983-08-19 | Mitsumi Electric Co Ltd | Speed control circuit for dc motor |
-
1987
- 1987-03-05 JP JP1987032348U patent/JPS63138895U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189589A (en) * | 1981-05-19 | 1982-11-20 | Secoh Giken Inc | Bridge servo circuit by chopper control |
| JPS5836185A (en) * | 1981-08-27 | 1983-03-03 | Matsushita Electric Ind Co Ltd | Switching governor unit for dc motor |
| JPS58139688A (en) * | 1982-02-10 | 1983-08-19 | Mitsumi Electric Co Ltd | Speed control circuit for dc motor |
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