| abstract |
The present invention provides a warning in advance to a dangerous area included in the moving radius of a heavy object during aerial movement of a heavy object such as crane work at a construction site, thereby preventing an industrial accident that can prevent a worker's accident due to a heavy object falling It relates to a danger warning system, and more particularly, a warning light device installed for each of a plurality of unit areas at a construction site with unique identification information, and operating a warning light module by a driving signal input from the outside; and a driving device connected to the warning light device through a wireless communication network to perform data communication and to transmit a driving signal to one or more selected warning light devices. |