Lighting system for mass-transit vehicles

Details Lighting system for mass-transit vehicles Lighting system for mass-transit vehicles

F - Mech Eng,Light,Heat,Weapons

21

V

F21V 8/00 (2006.01) B60Q 3/00 (2006.01) B60Q 3/02 (2006.01) F21S 8/10 (2006.01) F21V 19/00 (2006.01)

Patent

CA 2349163

A lighting system (20, 20') for preferentially illuminating the seating area (38) of a mass-transit vehicle (22) includes a light fixture (42) with a lamp housing (52) longitudinally disposed above the seating area (38). An electrically energized light source (74) is mounted at at least one end of the light fixture (42). At least one solid-core semi-rigid light pipe (76, 78, 80) extends from and is optically coupled to the light source (74). The light pipe (76, 78, 80) receives light from the light source (74), transmits the light along its length, and emits the light laterally into the passenger compartment (24). The light pipe (76, 78, 80) runs parallel to and is suspended from the lamp housing (52) between the lamp housing (52) and the seating area (38) so that the lamp housing (52) can direct laterally emitted light from the pipe (76, 78, 80) into the seating area (38). The light pipe (76, 78, 80) can be supported by a hanger device (92). Additionally, the light source (74) can comprise a dual-port light source (74k).

Ce système d'éclairage (20, 20') destiné à éclairer préférablement la zone passagers (38) d'un véhicule de transport en commun (22) comprend un appareil d'éclairage (42) comprenant un logement de lampe (52) placé longitudinalement au-dessus de la zone passagers (38). Une source lumineuse (74), excitée électriquement, est montée au niveau d'une extrémité de l'appareil d'éclairage (42). Au moins un conduit de lumière, massif, semi rigide (76, 78, 80), s'étend à partir de la source lumineuse (74) et est optiquement couplée à celle-ci. Ce conduit de lumière (76, 78, 80) reçoit la lumière à partir de la source lumineuse (74), la transmet sur sa longueur, et émet la lumière latéralement dans le compartiment passagers (24), et il s'étend parallèlement au logement de la lampe (24) et est suspendu à celui-ci, entre le logement (52) et la zone passagers (38), de façon que le logement de la lampe (52) dirige latéralement, dans la zone passagers (38), la lumière émise à partir du conduit de lumière (76, 78, 80). Ce conduit de lumière (76, 78, 80) peut être supporté par un dispositif de suspension (92). En outre, la source lumineuse (74) peut comporter une source lumineuse à double accès (74k).

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