Work safety management system using safety belt unit for high-place work

A work safety management system using a safety belt unit for high-place work, comprising:

• a safety swing worn on a body of a worker;
• a seat belt having a safety hook settling on a safety structure and a safety strap connecting the safety hook to the safety swing, and supporting the safety swing to the safety structure in a suspension manner;
• a fastening detector provided in the safety hook and detecting whether the seat belt is fastened to the safety structure;
• a safety hook holder provided in the safety swing and having an attaching and detaching part to or from which the safety hook is attached or detached;
• a mounting detector provided in the attaching and detaching part to detect whether the safety hook of the seat belt is mounted on the safety hook holder;
• a seat belt data transmitter configured to transmit, to an external device, data which is on whether the seat belt is fastened to the safety structure and which is detected by the fastening detector;
• a holder data transmitter configured to transmit, to the external device, data which is on whether the safety hook of the seat belt is mounted on the safety hook holder and which is detected by the mounting detector;
• an altitude sensor disposed on the safety hook holder and configured to sense an altitude of the safety hook holder;
• a position sensor disposed on the safety hook holder and configured to sense a position and altitude of the safety hook holder;
• and
• a controller configured to:
• display, through a display unit of the external device, data which is on whether the seat belt is fastened to the safety structure and which is received through the seat belt data transmitter,
• display, through the display unit of the external device, data which is on whether the safety hook of the seat belt is mounted on the safety hook holder and which is received through the holder data transmitter, and
• display, through the display unit of the external device, data which is on the altitude and position of the safety hook holder and which is received from the altitude sensor and the position sensor through the holder data transmitter.