JPH03101195U - - Google Patents
Info
- Publication number
- JPH03101195U JPH03101195U JP1990009658U JP965890U JPH03101195U JP H03101195 U JPH03101195 U JP H03101195U JP 1990009658 U JP1990009658 U JP 1990009658U JP 965890 U JP965890 U JP 965890U JP H03101195 U JPH03101195 U JP H03101195U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- signal
- generates
- speed
- current
- 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 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モータの過
負荷検知装置を示す図、第２図は従来のモータの
過負荷検知装置を示す図である。
図において、１……速度指令部、２……速度指
令、３……電圧指令部、４……速度信号、５……
電圧指令、６……電源、７……トランジスタ、８
……モータ、９……タコジエネレータ、１０……
電流検知部、１１……検知電流、１２……過負荷
検知部、１３……過負荷信号、１４……電流推定
部、１５……推定電流信号である。なお、図中、
同一符号は同一、又は相当部分を示す。
FIG. 1 is a diagram showing a motor overload detection device according to an embodiment of the present invention, and FIG. 2 is a diagram showing a conventional motor overload detection device. In the figure, 1...Speed command section, 2...Speed command, 3...Voltage command section, 4...Speed signal, 5...
Voltage command, 6...Power supply, 7...Transistor, 8
...Motor, 9...Tachometer generator, 10...
Current detection section, 11... Detected current, 12... Overload detection section, 13... Overload signal, 14... Current estimation section, 15... Estimated current signal. In addition, in the figure,
The same reference numerals indicate the same or equivalent parts.
Claims (1)
生する駆動制御部と、前記モータの回転速度を検
知して速度信号を発生する速度検知部と、前記駆
動信号及び前記速度信号から、前記モータの推定
電流信号を発生する電流推定部と、前記推定電流
信号から前記モータの過負荷検知信号を発生する
過負荷検知部とからなるモータの過負荷検知装置
。 a motor, a drive control section that generates a drive signal to control the motor, a speed detection section that detects the rotational speed of the motor and generates a speed signal, and estimates the motor from the drive signal and the speed signal. A motor overload detection device comprising: a current estimator that generates a current signal; and an overload detector that generates an overload detection signal for the motor from the estimated current signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990009658U JPH03101195U (en) | 1990-02-02 | 1990-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990009658U JPH03101195U (en) | 1990-02-02 | 1990-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03101195U true JPH03101195U (en) | 1991-10-22 |
Family
ID=31513247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990009658U Pending JPH03101195U (en) | 1990-02-02 | 1990-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03101195U (en) |
-
1990
- 1990-02-02 JP JP1990009658U patent/JPH03101195U/ja active Pending