Definition and working principle of rolling shutter doors

A rolling shutter door is a door that is connected in series with multi joint movable door pieces, and rotates up and down in a fixed slide with the scroll above the door as the center. Rolling shutter doors are commonly used in shops.
The rolling shutter door, like a wall, plays a role in horizontal separation. It is composed of multiple parts such as a curtain board, seat board, guide rail, support, scroll, box, control box, rolling door machine, limiter, door lintel, manual quick release switch device, button switch, and safety device. It is generally installed in areas where wall separation is inconvenient.
The rolling shutter door mainly consists of a door body, a driver, and a control system. The door body is made of high-quality stainless steel and aluminum alloy special profiles, and is hinged based on the parallelogram principle, with flexible expansion and large stroke. The driver is driven by a special motor, with worm gear reduction and a manual clutch. It can be manually opened and closed in case of power outage. The control system has a control board, button switch, and can also be equipped with wireless remote control device according to user needs. Can be equipped with a scrolling display screen, displaying 500 words of display content. It can also be equipped with an intelligent infrared dual probe collision prevention device, which can automatically return to operation when encountering people or foreign objects 20-30cm, thereby ensuring the safety of vehicles and pedestrians