Function of elevator light curtain 2017-8-28

What position of elevator door detector mounted on the elevator car door
Installed and screwed on the car door between on the landing door the car door.
What is a safety edge
Safety edge is used to protect people from being hurt, it takes effect when the hand to touch

According to statistics, the elevator passenger's injuries, more then 80% are caused by the elevator door. Much of the elevator malfunction is the elevator door system failure. Engineering and technical designer uses various forms of elevator door protection system. Since the 1990s, infrared screens elevator door protection system in the elevator industry gradually been widely adopted.
Infrared screens sensor elevator door protection system consists of an infrared transmitter and infrared receiver components which installed on both sides of the elevator car doors. Infrared transmitter transmit infrared detection beam sequentially, infrared receiver can detect these beams sequentially cycle, resulting in the formation of the elevator car door plane tens to hundreds of beams of infrared light curtain protection. When a passenger or object go out of the elevator car doors, they will block any beems of the infrared light curtain, light curtain control system will ascertain, and outputs a signal to the elevator car door systems, so the closing elevator door will turn to opened to protect passengers.