When we take the subway, we often see the screen door. Next, Huimin transportation will tell you what is the subway screen door?

Platform screen doors (PSD) or platform edge doors, also known as platform screen doors or safety doors, refer to the glass curtain wall surrounding the subway platform and train landing space on the platform. When the train arrives, open the electric door on the glass curtain wall for passengers to get on and off the train.

Subway screen door is a high-tech product integrating construction, machinery, materials, electronics and information. It is used in subway platform. PSD separates the platform from the train operation area and controls its automatic opening through the control system.

Metro screen doors prevent passengers from committing suicide or accidents by falling off the track on the platform. Save energy and prevent the loss of platform temperature.

Metro screen doors are divided into closed type, open type and half height type. The open type and half height type are usually called "safety door", which only play the role of safety and beauty. The closed type is usually called "screen door", which is also the most commonly used one.

As we all know, PSD can effectively prevent accidents that attempt to enter the tunnel (for example, someone can't think of it or simply stumble, or stand too close to the track area, be pulled onto the body or track by the air flow brought by the train passing, etc.), and can provide sound insulation