| 摘要 |
<p>PURPOSE:To stop the operation when power supply voltage exceeds a rated value, concerning an automatic washing control device of a sanitary device such as a water washing urinal for man or a wash stand. CONSTITUTION:A human detecting sensor 6 detects the user of a sanitary device. Cleaner is supplied to the sanitary device when an electromagnetic opening/ closing valve 4 is opened. The electromagnetic opening/closing valve 4 is driven by a valve drive circuit 21. By controlling the valve drive circuit 21 by means of a microcomputer 22 based on the detection of the human detecting sensor 6, the electromagnetic opening/closing valve 4 is controlled so as to supply cleaner to the sanitary device. When source voltage is higher than a setting value, a transistor 35 is ON so as to make collector potential 0V, and the microcomputer 22 stops the operation based on the collector potential. At outage, the transistor 35 is OFF, the collector potential becomes the constant voltage VS of a constant voltage circuit 20 to operate by the charge portion of a condenser 10, and the microcomputer 22 stops the operation based on the collector potential.</p> |
