ROLLING STOCK
Belgian company BEA outline the benefits of their automatic door laser safety presence sensors. T
he automatic closing of external train doors is an increasingly common sight.
As a result, the use of sensors to safeguard automatic external train doors has seen a similar rise in popularity. However, safety issues are often neglected, as recent accidents have shown.
Laser safety presence sensors, item LZR® -
RS300 from the Belgian company BEA, equip a complete train platform, the Stadler GTW, and are installed on all exterior doors. Aiming at improving the door user’s safety, these sensors would ensure a permanent surveillance of the door area in order to prevent the door from closing if people are still standing in the threshold.
It seems that these laser sensors provide a good level of safety on automatic external train doors, without affecting the smooth running of the train. They would prevent the doors coming into contact with passengers and make automatic door users feel safe, by detecting the presence of a person in the door threshold.
This new safety solution is a contactless optical sensor based on time-of-flight technology.
The system monitors a predefined detection field that can be as large as 5m x 5m and individually defined. It fits single-leaf, double-leaf and flat doors, as well as curved ones and detects objects as small as 5cm in length anywhere within the detection area.
Compared to light beams or grids, this laser sensor, complying with EN50155 and ready for TS45545, can monitor the complete door threshold section to a much
higher safety level. Children, the blind or the disabled would be safer with such a solution.
Headquartered in Belgium, BEA is a worldwide leading manufacturer of sensor solutions for automatic pedestrian, industrial and train doors, using radar, infrared and laser technologies.
FOR MORE INFORMATION
Valentin Novakovic T: +32 4 361 65 65 E:
vno@sensorio.be W:
www.sensorio.be
rail technology magazine Apr/May 11 | 197
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