Integral frequency conversion controller for elevator

Abstract

The invention provides an elevator integral frequency converting controller. Besides the motor drive circuits, power supply circuits and brake units, it also contains control circuitry, specifically is: operation control module, curve calculation module, elevator position monitoring module, elevator logical module, clock module, parameter storage module, Canbus module, Mudbugs module, debugging tool module, generator state acquisition module, vector control module, velocity feedback module, elevator and generator parameters processing module, PWM waveform generating module, DPRAM data exchange module and SPI data exchange module, etc. The control circuit processes the ''peripheral'' signal of frequency converting controller, then outputs it to motor drive circuits, thereby integrates most functions of elevator, combines organically the variable-frequency control and the operation control of elevator, it is facilitating for installation and alignment of elevator, and also ensure the operation of elevator under the more efficient, stable and safe condition.

Description

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AI Technical Summary

Benefits of technology

The present invention combines elevator control and frequency conversion control, improving the system's efficiency. It allows for faster and more accurate identification of elevator position and speed, enhancing system reliability. The system can quickly protect itself based on the status of the running and brake contactors, ensuring better timing coordination. The invention also simplifies the debugging process and avoids parameter mismatch. It enables advanced elevator functions such as time management and overload pre-alarm. The automatic calculation function optimizes passenger comfort and improves elevator efficiency. The new elevator position recognition method enhances reliability by addressing previous issues with position recognition and forced deceleration.

Problems solved by technology

Technician's job when setting up new elevators requires coordinating between different components like frequency converter controller(FC), VVCF). These component integration makes maintenance tasks complicated by requiring multiple steps from start until finalized. Additionally, these components require unique combinations based on their specific function capabilities, making them challenged to identify issues beforehand due to interferences caused by electromagnetic waves transmitted through space. Overall, technical problem addressed by this patented solution is how to simplify the process of upgrading elevators while ensuring efficient communication across various modes without compromising its overall functionality.

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