Frequency conversion control system for time-sharing control of lifting driving motor and door motor

• Main Authors: HUANG ZHENGYU, ZHU DANYANG, TANG SHAOFANG, YAN MIN, QUAN TINGLI
• Format: Patent
• Language: Chinese; English
• Published: 10.05.2024
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; ELEVATORS; ESCALATORS OR MOVING WALKWAYS; GENERATION; HAULING; HOISTING; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The embodiment of the utility model provides a frequency conversion control system for time-sharing control of a lifting driving motor and a door motor, and the frequency conversion control system comprises a frequency converter which comprises a brake resistor, a power board, a driving board, a business main controller and a motor encoder interface, the driving board is electrically connected with the power board and the service main controller respectively, and the driving board is electrically connected with the motor encoder interface; the plurality of motor encoders comprise portal crane motor encoders and driving motor encoders, and each motor encoder is connected with the driving board through a corresponding motor encoder interface; the plurality of lifting auxiliary devices are connected with the business main controller; the driving alternating current contactor is electrically connected with the power board; the driving motor is respectively connected with the driving alternating current contactor