An anti-sway electric motor intelligent manager and method

Abstract

The invention provides an interference electricity preventing electromotor intelligent managing device. The interference electricity preventing electromotor intelligent managing device comprises a processor CPU and a start-stop loop, wherein the processor CPU is arranged inside the intelligent managing device, and the start-stop loop is arranged outside the intelligent managing device. The start-stop loop comprises a terminal DO1, a terminal DO2 and a terminal COM1 and further comprises a direct current power source converting unit AD in the intelligent managing device, an energy storing unit DE, an energy storing unit DE, a current output control unit DC and a loop converting switch CW. The invention further provides an interference electricity preventing electromotor intelligent managing method. The method comprises the first step of detecting the voltage, the second step of determining the electric equipment work mode, the third step of judging the fault and the fourth step of carrying out control. The device can automatically adjust the work state of electric equipment according to the voltage changing situation when a power source is abnormal, the non-stop running of an alternating current contactor KM is kept to the maximum, the normal operation of the production technology process can be guaranteed, the alternating current contactor stopping running can automatically start to work when the voltage is recovered, the fault types can be distinguished, and the fault can be removed in time.

Description

technical field [0001] The invention relates to an intelligent manager and method for an anti-sway electric motor. Background technique [0002] A large number of motors are used in industrial control circuits. The start and stop of motors are generally controlled by motor intelligent managers (also known as motor controllers). When the power supply is abnormal, it will cause the AC contactor to trip and affect the normal operation of the control circuit. [0003] The current anti-sway method, no matter the motor intelligent manager or the anti-sway auxiliary power supply module, cannot meet the anti-sway requirements of the process due to the limitation of the control method. The anti-sway function of the motor intelligent manager is only to keep the control circuit connected when the power supply is abnormal. Although the control circuit is connected, the AC contactor will still be released due to the abnormal power supply, causing the motor and other electrical equipment ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the existing electric motor intelligent manager's anti-sway function, which only keeps the control circuit connected, cannot maintain the normal operation of the AC contactor, and cannot be automatically adjusted according to the degree of voltage fluctuation, and the anti-sway auxiliary power supply module The disadvantage of not being able to distinguish the types of faults provides an intelligent manager for anti-sway electric motors, which systematically solves the impact of power abnormalities on the production process

Images