JPS5988085U - Circuit abnormality detection device - Google Patents
Circuit abnormality detection deviceInfo
- Publication number
- JPS5988085U JPS5988085U JP1982180591U JP18059182U JPS5988085U JP S5988085 U JPS5988085 U JP S5988085U JP 1982180591 U JP1982180591 U JP 1982180591U JP 18059182 U JP18059182 U JP 18059182U JP S5988085 U JPS5988085 U JP S5988085U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- current detection
- detection circuit
- crane
- electric motors
- 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
Landscapes
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は揃負荷制御の概要を示すブロック図、第２図は
揃負荷回路の具体的な構成図、第３図は本考案の一実施
例を示す回路構成図である。
１．２・・・電動機、３，４・・・可変駆動制御装置、
５．６・・・電流検出回路、７・・・揃負荷回路。FIG. 1 is a block diagram showing an overview of uniform load control, FIG. 2 is a specific configuration diagram of a uniform load circuit, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. 1.2...Electric motor, 3,4...Variable drive control device,
5.6... Current detection circuit, 7... Matched load circuit.
Claims (1)
駆動制御装置を並列に運転し、両電動機の揃負荷制御を
行なうものにおいて、前記両電動機の負荷電流を検出す
る電流検出回路と、この電流検出回路の出力を入力して
前記揃負荷制御が長時間かかつて修正されないことを検
出する回路と、前記電流検出回路の出力から過渡的な過
大な負荷アンバランスが生じたことを検出する回路とを
具備し、前記電動機の過負荷およびクレーンの機械的構
造の過ねじれを防止することを特徴とした回路異常検出
装置。In a crane that operates separate electric motors and variable speed drive control devices in parallel for each of the two traveling legs of the crane, and performs uniform load control of both electric motors, a current detection circuit that detects the load current of both electric motors, and a current detection circuit of this current detection circuit are provided. The circuit includes a circuit that inputs an output to detect that the balanced load control has not been corrected for a long time, and a circuit that detects that an excessive transient load imbalance has occurred from the output of the current detection circuit. , a circuit abnormality detection device that prevents overloading of the electric motor and excessive twisting of the mechanical structure of the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982180591U JPS5988085U (en) | 1982-12-01 | 1982-12-01 | Circuit abnormality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982180591U JPS5988085U (en) | 1982-12-01 | 1982-12-01 | Circuit abnormality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5988085U true JPS5988085U (en) | 1984-06-14 |
Family
ID=30391533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982180591U Pending JPS5988085U (en) | 1982-12-01 | 1982-12-01 | Circuit abnormality detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5988085U (en) |
-
1982
- 1982-12-01 JP JP1982180591U patent/JPS5988085U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5988085U (en) | Circuit abnormality detection device | |
| JPS6055242U (en) | Automotive electrical equipment | |
| JPS5963629U (en) | High voltage power supply circuit | |
| JPS6011696U (en) | rotating electric machine | |
| JPS58143433U (en) | motor protection relay | |
| JPS58115898U (en) | Variable voltage/variable frequency inverter for induction motors | |
| JPS58156168U (en) | Vehicle starter device | |
| JPS58153599U (en) | elevator control device | |
| JPS6072488U (en) | Chain block load control device | |
| JPS58149093U (en) | Synchronous motor starting device | |
| JPS605272U (en) | single phase induction motor | |
| JPS5985088U (en) | Abnormality detection device for voltage control circuit of parallel operation inverter | |
| JPS5849505U (en) | Vehicle motor control device | |
| JPS618632U (en) | Conveyor following device | |
| JPS5963707U (en) | Servo device | |
| JPS58156337U (en) | Protective relay device | |
| JPS5860663U (en) | AC elevator control device | |
| JPS5956994U (en) | Reverse rotation prevention device for three-phase motors | |
| JPS58143434U (en) | motor protection relay | |
| JPS6057031U (en) | Relay drive device in microcomputer controlled equipment | |
| JPS6034791U (en) | Electric motor speed control device | |
| JPS59149493U (en) | Motor sudden stop device | |
| JPS58183034U (en) | Unbalanced current detection device for three-phase AC load | |
| JPS60108199U (en) | Induction motor control device | |
| JPS5872998U (en) | Compressor capacity control device |