| 摘要 |
<p>PURPOSE: A charging stand of electric vehicles is provided to generate an alarm and store an alarm history by operating a switching circuit in opening a door. CONSTITUTION: A door(40) is installed in a main body(10) and is openable. An alarm unit(60) is arranged between the main body and the door. A door sensor(62) generates the impedance change in opening the door. A controller(64) receives a signal supplied from a door sensor. A switching circuit(66) generates an alarm or an alarm history.</p> |
