Product Name : DC motor drive patent protected Platform Screen Bus door System for BRT Bus station
I. Introduction
Platform screen doors (PSDs) at train or subway stations screen the platform from the train. They are a relatively new addition to many metro systems around the world; some having been retrofitted to established systems. They are widely used in Asian and European metro systems. The platform doors slide open or closed simultaneously with the train doors.
These doors help to:
- Prevent accidental falls off the platform onto the lower track area, suicide attempts and homicides by pushing.
- Prevent or reduce wind felt by the passengers caused by the Piston effect which could in some circumstances make people fall over
- Reduce the risk of accidents, especially from service trains passing through the station at high speeds.
- Improve climate control within the station (heating, ventilation, and air conditioning are more effective when the station is physically isolated from the tunnel).
- Improve security - access to the tracks and tunnels is restricted.
- Lower costs - eliminate the need for motormen or conductors when used in conjunction with Automatic Train Operation, thereby reducing manpower costs.
- Prevent litter build up on the track which can be a fire risk.
II. Mechanism
The door operator consists of driving mechanism, hanging mechanism, guiding mechanism, and locking & unlocking mechanism.
III. Main Parameters
| Operation Temperature | -40°C - 60°C |
| Operation Voltage | DC12V or DC24V |
| Motor Power | 100W |
| Driving Mechanism | Leading screw |
| Minimum Life Cycle | 1,000,000 |
| Door Closing or Opening Time | 1.5 – 3.5 Seconds |
| Style | full and half height |
IV. Product Advantage
- Ivy developed CAN based platform door system to ensure Economical, flexible, and reliable system;
- Anti-disturbing and wide environment temperature situation has been considered into the product design and component quality;
- Stable, well controlled, long life driving mechanism by using multi-head, self lubricated lead screw and linear bearing;
- Pressure wave sensitive edge as prime sensitive edge and current reaction as secondary sensitive edge to achieve high sensitivity and reliability;
- No high voltage inside the door structure frame of the platform door to ensure safety;
- The best chip in the world and imported other key components to ensure the high reliability.
