| 摘要 |
PURPOSE: A raised block for subway sidewalk is provided to use the raised block for the person who is visually handicapped on usual days, and evacuate passengers to a safe place by switching off a light emitting diodes in case of a fire. CONSTITUTION: A raised block for subway sidewalk comprises a raised block(20), a fire alarm, and a control device. The raised block has a fire alarm, a control device, and a plurality of light emitting diodes(242) which display a guide direction. The fire alarm generates a loud bell and lighting in case of a fire. The control device connected with the fire alarm controls the light emitting diodes and characters shape installed in the raised block in case of a fire. |
