Outer rotor direct-drive servo motor, elevator cage door and control method

Abstract

The invention relates to an outer rotor direct-drive servo motor, an elevator cage door and a control method. The motor comprises an encoder assembly, a rotor assembly and an armature winding assembly. The armature winding assembly is fixed on the central shaft; the rotor assembly is rotatably fixed on the central shaft; the armature winding assembly is arranged in an inner hole of the rotor winding; the rotor assembly comprises an outer gear ring of which the periphery is of a gear structure; the encoder assembly comprises an encoder circuit board and an encoder signal magnet. The encoder circuit board comprises an encoder chip, and the encoder chip is a non-contact magnetic field inductive sensor; the encoder circuit board is fixed on the central shaft, and the encoder signal magnet rotates along with the rotor assembly. The rotary motion of the direct-drive motor is converted into the linear motion of the cage door through the gear and the rack, so that automatic control over the cage door is achieved.

Description

technical field [0001] The invention relates to a motor and control technology, in particular to an outer rotor direct drive servo motor, an elevator cage door and a control method. Background technique [0002] The car of the construction elevator has two doors, one door is opened when entering the material, called the feed door, and the other door is opened when the material is discharged, called the discharge door, these two doors are collectively called the cage door. In the prior art, the cage doors of construction elevators need to be opened and closed manually, which not only consumes the physical strength of workers, but also has extremely low work efficiency, which does not meet the current industry development needs. [0003] In the prior art, there are also some technical solutions for controlling the construction elevator through the control system, but they are generally realized by installing sensors to cooperate with the control system, for example, monitoring...

AI Technical Summary

Problems solved by technology

In the prior art, the cage doors of the construction elevators need to be opened and closed manually, which not only consumes the physical strength of the workers, but also has extremely low work efficiency, which does not meet the current development needs of the industry.

[0003] In the prior art, there are also some technical solutions for controlling the construction elevator through the control system, but they are generally realized by installing sensors to cooperate with the control system, for example, monitoring the relevant operating position, operating speed or limit of the construction elevator through the sensor Position, etc., due to the increase of sensors, also increases the complexity of the system, increases the cost and instability of the system

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