JPS62115733U - - Google Patents
Info
- Publication number
- JPS62115733U JPS62115733U JP187386U JP187386U JPS62115733U JP S62115733 U JPS62115733 U JP S62115733U JP 187386 U JP187386 U JP 187386U JP 187386 U JP187386 U JP 187386U JP S62115733 U JPS62115733 U JP S62115733U
- Authority
- JP
- Japan
- Prior art keywords
- value
- detected
- setting device
- motor
- converted
- 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 4
- 230000001681 protective effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Protection Of Generators And Motors (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は過電流設定の特性図、第３図は従来の過電流
保護装置を示す構成図である。
１…直流電源部、２…直流電動機、３…シヤン
ト、５…過電流設定器、４，６，８，１３，１４
…増巾器、１０…回転数検出部、１１…周波数―
電圧変換器、１２…速度設定器。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a characteristic diagram of overcurrent setting, and FIG. 3 is a configuration diagram showing a conventional overcurrent protection device. 1... DC power supply section, 2... DC motor, 3... Shunt, 5... Overcurrent setting device, 4, 6, 8, 13, 14
...Amplifier, 10...Rotation speed detection section, 11...Frequency-
Voltage converter, 12...speed setting device.
Claims (1)
と過電流設定器にて設定された値とを加算部にて
比較し、検出値大時に保護出力を発するようにし
たものに於て、前記直流電動機に回転数検出部を
設け、この検出部にて検出された検出値を周波数
―電圧変換器にて電圧値に変換すると共に、速度
設定器を設け、この速度設定器にて設定された設
定値と前記変換された電圧値とを比較し、比較結
果を回転要素信号として前記加算部に印加するよ
うに構成したことを特徴とする直流電動機の保護
装置。 The current flowing through the DC motor is detected, this detected value is compared with the value set by the overcurrent setting device in an adder, and a protective output is generated when the detected value is large. The electric motor is provided with a rotation speed detection section, and the detection value detected by this detection section is converted into a voltage value by a frequency-voltage converter, and a speed setting device is provided, and the settings set by this speed setting device are A protection device for a DC motor, characterized in that the protection device is configured to compare the converted voltage value with the converted voltage value, and apply the comparison result to the adding section as a rotating element signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP187386U JPS62115733U (en) | 1986-01-10 | 1986-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP187386U JPS62115733U (en) | 1986-01-10 | 1986-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62115733U true JPS62115733U (en) | 1987-07-23 |
Family
ID=30780186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP187386U Pending JPS62115733U (en) | 1986-01-10 | 1986-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62115733U (en) |
-
1986
- 1986-01-10 JP JP187386U patent/JPS62115733U/ja active Pending