JPS649499U - - Google Patents
Info
- Publication number
- JPS649499U JPS649499U JP10212287U JP10212287U JPS649499U JP S649499 U JPS649499 U JP S649499U JP 10212287 U JP10212287 U JP 10212287U JP 10212287 U JP10212287 U JP 10212287U JP S649499 U JPS649499 U JP S649499U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- circuit
- rotation speed
- input
- switching regulator
- 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
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案の一実施例を示すモータの回転
数制御回路図である。
７……スイツチングレギユレータ、８……モー
タ、Ａ……パルス入力、Ｂ……モータドライブ回
路。
FIG. 1 is a motor rotation speed control circuit diagram showing an embodiment of the present invention. 7... Switching regulator, 8... Motor, A... Pulse input, B... Motor drive circuit.
Claims (1)
圧を変化させてモータ８の回転数を変化させるモ
ータの回転数制御回路において、周波数可変又は
通電時間巾可変のパルス入力Ａを平滑回路を介し
て入力に接続されたスイツチングレギユレータ７
を設け、そのスイツチングレギユレータ７の出力
をモータドライブ回路Ｂの入力に接続し、そのモ
ータドライブ回路Ｂの出力電圧を制御し、モータ
８をドライブさせるものとしたことを特徴とする
モータの回転数制御回路。 In a motor rotation speed control circuit that changes the rotation speed of the motor 8 by changing the voltage of a circuit that drives a DC brushless motor, a pulse input A with a variable frequency or a variable energization time width is connected to the input via a smoothing circuit. switching regulator 7
The output of the switching regulator 7 is connected to the input of the motor drive circuit B, and the output voltage of the motor drive circuit B is controlled to drive the motor 8. Rotation speed control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10212287U JPS649499U (en) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10212287U JPS649499U (en) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649499U true JPS649499U (en) | 1989-01-19 |
Family
ID=31331736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10212287U Pending JPS649499U (en) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649499U (en) |
-
1987
- 1987-07-02 JP JP10212287U patent/JPS649499U/ja active Pending
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