JPS6233694U - - Google Patents
Info
- Publication number
- JPS6233694U JPS6233694U JP1985123317U JP12331785U JPS6233694U JP S6233694 U JPS6233694 U JP S6233694U JP 1985123317 U JP1985123317 U JP 1985123317U JP 12331785 U JP12331785 U JP 12331785U JP S6233694 U JPS6233694 U JP S6233694U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- motor
- control
- rotation speed
- variable resistor
- 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
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Electric Motors In General (AREA)
Description
第１図はこの考案の一実施例による回転数制御
装置の要部を示す回路図、第２図は従来の回転数
制御装置の要部を示す回路図である。
１……加速用押釦スイツチ、２……減速用押釦
スイツチ、３……周波設定用可変抵抗器、４……
操作電動機、１０……上下限リミツト回路。なお
、図中、同一符号は同一または相当部分を示す。
FIG. 1 is a circuit diagram showing the main parts of a rotation speed control device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram showing the main parts of a conventional rotation speed control device. 1... Push button switch for acceleration, 2... Push button switch for deceleration, 3... Variable resistor for frequency setting, 4...
Operation motor, 10... Upper and lower limit circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
、上記操作電動機を駆動させる加速用及び減速用
押釦スイツチを有する制御回路を備え、上記周波
数設定用可変抵抗器からインバータに出力信号を
送り、電動機の回転数制御を行うものにおいて、
上記操作電動機の制御回路に、上記電動機の回転
数がある範囲以外の場合においては、上記操作電
動機による加速または減速設定が行われないよう
な上下限リミツト回路を付加したことを特徴とす
る電動機の回転数制御装置。 The operating motor is equipped with a control circuit having a frequency setting variable resistor and acceleration and deceleration push button switches for driving the operating motor, and an output signal is sent from the frequency setting variable resistor to the inverter to control the motor. In those that control the rotation speed,
The electric motor is characterized in that an upper and lower limit circuit is added to the control circuit of the electric motor to prevent acceleration or deceleration setting by the electric motor when the rotational speed of the electric motor is outside a certain range. Rotation speed control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985123317U JPS6233694U (en) | 1985-08-08 | 1985-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985123317U JPS6233694U (en) | 1985-08-08 | 1985-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6233694U true JPS6233694U (en) | 1987-02-27 |
Family
ID=31014307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985123317U Pending JPS6233694U (en) | 1985-08-08 | 1985-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6233694U (en) |
-
1985
- 1985-08-08 JP JP1985123317U patent/JPS6233694U/ja active Pending