Elevator Door Sensors Work

Infra red door sensors or beams are now common in modern days elevator.

Elevator door sensors work. The beam detects objects on the doorway when opening and closing. However that s not always the case. As a result elevator doors are the cause of over 70 of all service calls. Elevators use two different sets of doors.

The notice from the new york city buildings department states in part. Protect your passengers and property with the ims 100 nt 3 d door sensor. Some elevators use multiple infrared transmitter receiver pair of sensors. Usually you can t open the door until the elevator has arrived.

The automatic doors in an elevator on the other hand are absolutely essential. Continuous innovation enduring quality and steady growth have been the foundation of our success for more than 70 years. How elevator door works. A swing door can help save space on a lateral plane while making use of the area provided by the direct vertice.

For all the elevators with the door sensors may need an independent power supply to make the sensors work. Types of elevator door sensors. Also some elevator doors. A swing door can work in a similar fashion as a manual door as in the elevator won t work until the door has been closed.

Unlike traditional systems the ims 100 nt safely monitors down to 4 inches before the door closes providing the most advanced protection. Pepperl fuchs is a leading developer and manufacturer of electronic sensors and components for the global automation market. Pepperl fuchs employs 6 300 people worldwide and has manufacturing facilities in germany usa singapore hungary indonesia and vietnam most of. What is the new nyc elevator code for door lock monitoring.

So here are the basics of elevator doors the hardest working element of the vertical transport system. Each receiver can detect when the corresponding transmitter has been obstructed by an object and automatically trigger the opening of the door. Doors on the cars and doors opening into the elevator shaft. As per asme a17 3 of 2002 as modified by chapter k3 of appendix k section 3 10 12 of the new york city building code all automatic passenger and freight elevators must provide a system to monitor and prevent automatic operation with faulty door contact.

The system easily integrates with adams gatekeeper door protection system and most other manufacturer devices. Door sensors main article. They are there to keep people from falling down an open shaft. If the sensors triggers a person or an object it will cause the doors to reopen and does not close until the person moved away or the object is removed from the doorway.

The doors on the cars are operated by an electric motor which is hooked up to the elevator computer.