| 摘要 |
<p>The present invention relates to a worker entrance management system at a construction site which is installed in a guardroom of an entrance for workers at the front gate comprising: a user terminal which determines and stores attendance to and leaving from work by storing worker information such as names of workers numbers of employees, etc. and comparing worker information detected from a detecting device at the worker entrance; and a worker entrance detecting device which is connected to the user terminal through an RS485 communications line. The worker entrance detecting device is disposed at a side of a body in the shape of a box and comprises: a first sensor to a fourth sensor which detect initial access of a worker; a first RF antenna and a second RF antenna which is installed at the center of both sides of the body and wirelessly receives information of an RF card possessed by the worker; an LED 1 which is installed on the outer surface of the first RF antenna; an LED 2 which is installed on the outer surface of the second RF antenna; a voice speaker which is installed at each end of the other side of the body to provide voice information to the workers; a warning light which is installed at both ends of the upper side of the body; a power supply part which is mounted inside the body to supply input voltage to the first sensor, the first RF antenna, a second sensor, a third sensor, the second RF antenna, the fourth sensor, the LED 1, the LED 2, a speaker 1, a speaker 2 and each warning light by converting the input voltage; and a cover part which is configured to open and close the inside of the body at the upper part of the body.</p> |
