| 摘要 |
PROBLEM TO BE SOLVED: To provide a fire hydrant device in which a user holding a nozzle can perform a hydrant valve opening operation from a remote place from the fire hydrant device so that the user can perform the operation safely even when he or she performs the operation alone.SOLUTION: A nozzle includes an operation part for operating a hydrant valve, and a transmission part for wirelessly transmitting a hydrant valve opening signal based on the operation of the operation part, and a hydrant box includes a reception part for receiving a hydrant opening signal and a control part for performing a hydrant valve opening control based on the hydrant opening signal so that the hydrant valve opening operation can be performed by a radio signal. |
