| 摘要 |
An automatic control device of a road sweeper clean system is provided to prevent the damage of vehicles and to let an operator clean a road surface more effectively. An automatic control device of a road sweeper clean system comprises a rotary shaft having a worm engaged with a worm wheel installed to an output shaft of a transmission(4), a sensor housing fixed through the inside and outside of a transmission housing, a speed meter(10) converting and outputting the amount of change of the physical speed inputted to a speed gauge(5) from the transmission into electrical pulse signals, a branch sphere(20) assembled and installed in the middle of a signal line(21) connecting the speed meter and the speed gauge, a controller(30) lifting a clean system(C) from the ground if the output signal inputted by the branch sphere exceeds the safe speed, and a signal conditioner(40) having an isolation circuit.
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