| 摘要 |
PURPOSE:To prevent a car from accidents due to forgetfulness of preparation for car washing by providing a detecting sensor for the car washed by a portal car washing machine and an alarm operated by the detecting signal of the sensor for informing of whether or not preparation for washing the car is made. CONSTITUTION:A frame body 1 of a portal car washing machine is provided with a sensor 6 for detecting a car coming to be washed. Also, the frame body 1 is provided with a speaker 7 and an indicating plate 8 operated by the detecting signal of the sensor 6. And when the sensor 6 detects the car, the indicating plate 8 indicates the confirmation of safety while the speaker 7 is operated to alarm an operator of whether or not the preparation for car washing such as closing car windows is forgotten. |
