Double-leaf suspension door of permanent magnet synchronous linear motor

Abstract

The invention discloses a double-leaf suspension door of a permanent magnet synchronous linear motor. A primary side and a secondary side of the motor are installed on a stator profile and a rotor profile respectively. A door is connected with a motor rotor profile through a hanging piece, and the rotor profile is installed on a track of the stator profile through a roller assembly to achieve positioning. A permanent magnet synchronous linear motor is adopted as a driving device, a coil is wound on an iron core to serve as a primary stator, and a permanent magnet is bonded to soft iron and connected with a rotor profile into a whole to serve as a rotor secondary. The motor drives the rotor profile fixedly provided with a door plate to move linearly through primary electrification of the given stator coil. When two doors are driven, two linear motors are selected for driving respectively. The permanent magnet synchronous linear motors are selected, the primary side and the secondary side are not in direct contact, the gravity load of a movable door can be counteracted, and therefore the double-leaf suspension door of the invention has the advantages of being simple in structure, safe, stable, low in abrasion rate, long in service life, capable of saving energy, environmentally friendly, low in noise and easy to push open during power failure.

Description

technical field [0001] The invention relates to a suspension door, in particular to a double-leaf suspension door with a permanent magnet synchronous linear motor. Background technique [0002] The automatic door is a mechatronic device that works for a long time, frequently, and reciprocatingly. It not only requires high reliability and safety, but also requires stable operation and low noise. Existing translational automatic doors generally use a rotary motor as the drive source, and through mechanical transmission (ball screw or toothed belt) transmission, the rotary motion is converted into linear motion to realize the opening and closing of the door. The main problems of this kind of automatic door are that the hardware structure is complex, easy to wear and age, and the maintenance cost is high. Its disadvantages are reflected in the following aspects: [0003] 1. Due to the use of mechanical transmission conversion devices, after a long period of work, the moving co...

AI Technical Summary

Problems solved by technology

[0003] 1. Due to the mechanical transmission conversion device, after a long time of work, the moving components will be worn out. Wearing will not only greatly reduce the movement accuracy and stability of the door, but also require frequent maintenance;

[0004] 2. It has a complex mechanical transmission conversion device, so the transmission efficiency is not high and the movement noise is large;

[0005] 3. The safety performance is low. Due to the large movement force of the mechanical transmission device and it is not easy to control, the tragedy of pinching people is prone to occur;

[0006] 4. The installation is more complicated. Due to the complex overall structure, the installation workers have higher requirements for skillful operation.

Images