JPS62125391U - - Google Patents
Info
- Publication number
- JPS62125391U JPS62125391U JP1344186U JP1344186U JPS62125391U JP S62125391 U JPS62125391 U JP S62125391U JP 1344186 U JP1344186 U JP 1344186U JP 1344186 U JP1344186 U JP 1344186U JP S62125391 U JPS62125391 U JP S62125391U
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- starting
- motor
- starting congestion
- rotation speed
- 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 5
- 230000004913 activation Effects 0.000 description 1
Landscapes
- Motor And Converter Starters (AREA)
Description
第１図、この考案の一実施例による電動機の起
動装置を示す単線図、第２図はこの考案の一実施
例による電動機の起動渋滞検出装置を示す回路図
、第３図は従来の電動機の起動装置を示す単線図
、第４図は従来の電動機の起動渋滞検出装置を示
す回路図、第５図は電動機の回転数とトルク及び
負荷トルクとの関係を示す特性図である。
１…電源、２，４…開閉器、３…起動用リアク
トル、５…電動機、６…回転計発電機、７…回転
数変化検出手段（リレー）、２２…タイマー、２
４…電圧切換えにもとづき動作する動作手段（タ
イマー接点）、２９…リレーのｂ接点、３０…起
動渋滞検出手段（タイマー）。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 single line diagram showing a starting device for an electric motor according to an embodiment of this invention, Fig. 2 is a circuit diagram showing a starting congestion detection device for an electric motor according to an embodiment of this invention, and Fig. 3 is a single line diagram showing a starting device for an electric motor according to an embodiment of this invention. FIG. 4 is a circuit diagram showing a conventional starting congestion detection device for an electric motor, and FIG. 5 is a characteristic diagram showing the relationship between the rotation speed, torque, and load torque of the electric motor. DESCRIPTION OF SYMBOLS 1... Power supply, 2, 4... Switch, 3... Starting reactor, 5... Electric motor, 6... Tachometer generator, 7... Rotation speed change detection means (relay), 22... Timer, 2
4... Operating means (timer contact) that operates based on voltage switching, 29... B contact of relay, 30... Activation traffic jam detection means (timer). In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
た後、電源電圧に切換えて運転するさいの起動渋
滞を検出する電動機の起動渋滞検出装置において
、上記電動機に加わる電圧の切換えにもとづき動
作する動作手段と、上記電動機の回転数の変化を
検出する回転数変化に検出手段と、上記両手段か
らの出力を受けて起動渋滞を検出する手段とを備
えたことを特徴とする電動機の起動渋滞検出装置
。 A starting congestion detection device for an electric motor that detects starting congestion when the motor is started by applying a voltage lower than the power supply voltage and then switched to the power supply voltage for operation, comprising: an operating means that operates based on switching of the voltage applied to the motor; A starting congestion detection device for an electric motor, comprising: a rotation speed change detection means for detecting a change in the rotation speed of the electric motor; and means for receiving outputs from both of the means and detecting a starting congestion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1344186U JPS62125391U (en) | 1986-01-30 | 1986-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1344186U JPS62125391U (en) | 1986-01-30 | 1986-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62125391U true JPS62125391U (en) | 1987-08-08 |
Family
ID=30802504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1344186U Pending JPS62125391U (en) | 1986-01-30 | 1986-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125391U (en) |
-
1986
- 1986-01-30 JP JP1344186U patent/JPS62125391U/ja active Pending