Importance

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Abstract

The present invention relates to a on-board TV on railway vehicle that is mounted on a ceiling of a passenger cart, the on-board TV comprises a video display, a triangle support frame and cover plates, where the video display is assembled on the triangular support frame, the cover plates are mounted at two sides of the video display; a mount board is provided in the video display, a circuit board is mounted on one side of the mount board and a display screen is mounted on the other side of the mount board; a power supply/signal input board, an LED control board and a backlight high voltage transformer are provided on the circuit board. The present invention has a simple and reasonable structure, high reliability, an appealing appearance, and practicality; the video display is mounted on the triangular support frame, such that the display inclines downwards a certain angle to satisfy the watching angle of passengers, and meanwhile the video display is compatible and exchangeable. The present invention has a metal casing, which is solid and wearable. Further, the edge portions is arranged as fillet and the surface is smooth, thus it guarantees that the passengers will not be injured due to collision; meanwhile, a power supply protection and a conversion circuit are also provided, such that the TV will not fail due to collision with passengers.

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First Claim