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A constant speed motor insulation automatic detection system

A detection system and automatic technology, applied in the direction of motor generator testing, dielectric strength testing, etc., can solve the problems of motor insulation changes, difficult to find, etc., to avoid accidents, wide range of applications, and reduce equipment maintenance and maintenance time.

Active Publication Date: 2018-03-13
BEIJING SHOUGANG INT ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic insulation detection system for constant-speed motors, which solves the problem that it is difficult to detect when the insulation of the motor changes

Method used

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  • A constant speed motor insulation automatic detection system
  • A constant speed motor insulation automatic detection system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Set the motor to be detected on the screen of the PLC control and data acquisition system and the database 6, and realize the motor insulation detection through the insulation detection manual automatic transfer switch 3, the main circuit safety guarantee intermediate relay 4 of the constant speed motor, and the motor insulation detection working contactor 5 For the conduction of the circuit, the motor to be detected is detected by the motor leakage current signal acquisition device 1, and the detected signal is converted into an analog signal that can be uploaded by the measurement signal transmitter 2, and uploaded to the PLC control and data acquisition system And the database 6, through the PLC control and data acquisition system and the database 6 to judge the acquisition signal. When the motor insulation detection value is normal, the PLC control and data acquisition system and the database 6 send a motor normal signal to the PLC system of the production line, and ...

Embodiment 2

[0033] Set the motor to be detected on the screen of the PLC control and data acquisition system and the database 6, and realize the motor insulation detection through the insulation detection manual automatic transfer switch 3, the main circuit safety guarantee intermediate relay 4 of the constant speed motor, and the motor insulation detection working contactor 5 For the conduction of the circuit, the motor to be detected is detected by the motor leakage current signal acquisition device 1, and the detected signal is converted into an analog signal that can be uploaded by the measurement signal transmitter 2, and uploaded to the PLC control and data acquisition system And the database 6, through the PLC control and data acquisition system and the database 6 to judge the acquisition signal. If there is a problem with the insulation of the motor, an audible and visual alarm for motor failure is sent on the screen of the PLC control and data acquisition system and the database 6...

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Abstract

The invention relates to an automatic insulation detection system of a constant-speed motor, which belongs to the field of electric control. The motor leakage current signal acquisition device, measurement signal transmitter, insulation detection manual automatic transfer switch, constant speed motor main circuit safety assurance intermediate relay, and motor insulation detection working contactor are all installed in the on-site motor control cabinet. When it is necessary to automatically detect the insulation resistance of the motor, the automatic transfer switch of the insulation detection hand is switched to the automatic state, and the circuit breaker QF of the group stick motor is closed; when the detection data alarms, the accidental motor is replaced, and the automatic switch of the insulation detection hand is switched to manual state, manually turn on the main circuit power of the motor. The advantage is that it will not have any impact on the normal function of the original production line, which can reduce equipment overhaul and maintenance time, and reduce production loss caused by motor insulation accidents.

Description

technical field [0001] The invention belongs to the technical field of electrical control, and in particular relates to an automatic insulation detection system for a constant-speed motor. It is suitable for motor insulation detection of various voltage levels and different capacities. It can make statistics on the insulation of the motor, find the change rule of the motor insulation according to the statistical data of the motor insulation, and do a good job of maintenance and inspection of the motor with gradually reduced insulation, reducing the normal production of the production line. In the process, due to the sudden damage of the motor insulation, the parking accident rate is avoided, and the huge loss to the production caused by this is avoided. Background technique [0002] In the metallurgical industry, there are many constant-speed motors. The operating environment of many motors is not only high in temperature, but also has high water mist and high humidity. In a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/12G01R31/34
Inventor 刘燕吕冬梅孙靖宇张玉杰刘克清刘自春段青荣
Owner BEIJING SHOUGANG INT ENG TECH
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