Integration drive control device for supercapacitor energy storage type elevator

Abstract

Provided is an integration drive control device for a supercapacitor energy storage type elevator. Integration processing of an elevator running control subsystem and an elevator energy-saving control subsystem is proposed, the integration drive control device for the supercapacitor energy storage type elevator is designed, the effect that two control subsystems share one Central Processing Unit(CPU) processor is achieved, a system hardware structure is simplified, and system debugging difficulty is lowered. At the same time, a storage battery and a management module of the storage battery are added in the elevator energy-saving control subsystem on the one hand to serve as an additional power module of an elevator and on the other hand to serve as a storage unit for feedback energy of the elevator, and work together with a supercapacitor under certain conditions to supply electric energy for elevator running.

Description

technical field [0001] The invention relates to an integrated drive control device for an elevator, in particular to a supercapacitor energy storage elevator. In particular, the integration of an elevator operation control subsystem and an elevator energy saving control subsystem belongs to the technical field of integrated control and elevator energy saving. Background technique [0002] With the rapid development of my country's economy, the number of elevators in use in my country is as high as 2 million, and it is still growing rapidly at a rate of more than 20% per year. As a large power consumer, elevators have become an important way to solve the problem of power resource shortage. . [0003] When the elevator goes up with a light load, goes down with a heavy load or brakes, the elevator is in the state of regenerative power generation. This part of the regenerative power acts on the intermediate DC filter capacitor through the freewheeling diode of the inverter to gen...

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Problems solved by technology

[0005] Because of this, the supercapacitor energy feedback elevator regenerative energy technology has been generally recognized by people, but there are still some areas for improvement in the existing devices: (a) In the supercapacitor energy storage type elevator energy feedback device, the elevator operation control subsystem and The energy-saving control subsystems are relatively independent. On the one hand, this independent control method is not convenient for system debugging. On the other hand, due to problems such as signal connection and signal interference, the coordination between the two independent subsystems is poor.

(b) Considering the cost-effectiveness, volume, energy density and other related parameters of the supercapacitor, the capacity design of the supercapacitor requires that after each discharge process, the elevator meets the requirements of the nearest leveling floor in the event of a power failure. This design only reduces the Failure risk, when the elevator is a special elevator equipment or a major disaster such as fire occurs, the traditional design method cannot meet the requirements

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