LED matrix display TIP-2
The product is a LED matrix display with line and destination indication function to be applied on the front and side parts of railway carriages.
Product requirements
The starting requirements for developing the mechanical case of this product were:
- Designing the product with reference to an existing system with the aim of restoring all units installed on trains for problems arising from the lack of a suitable IP-sealing grade.
- Achieve IP66 sealing.
- Maintain the size and weight characteristics of the previous product to ensure replaceability in the housing.
- Resistance to specific vibration frequencies typical of rail transport.
- Dissipation of heat generated by the control boards and fanless power supply unit,
- Electrical earthing of the mechanical case to protect the electronics from static currents.
- Building a structure with maximum flatness to allow correct contact with the internal electronics and ensure heat dissipation through the rear shell.
- Uniform the space between the LEDs and the front glass applied to allow the information to be read by the passenger.
Accessibility
The case is designed to be easily accessible at all stages of its life: assembly, installation, maintenance.
Thanks to the extruded profile structure, the electronics are installed on predefined tracks without mechanical fasteners and screws. A 5000 series aluminium thin laminate alloy wall separates the part of the connectors accessible to the installer from the internal electronics.
Size and weight
Vibration resistance
Heat dissipation
Coplanarity between the led panel and front frame
Materials and technologies used
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