| 摘要 |
PURPOSE:To detect perfect lock of the door of a refrigerator against a refrigerator main body. CONSTITUTION:When the door of a refrigerator is closed, a lock piece receiver 1 projected in the interior direction of the refrigerator provided on the door side is entered inside the refrigerator, a shutter 3 interlocking with the lock piece receiver is moved in a specified direction. By the movement a tongue piece 3a provided on the shutter changes the detecting condition of a photo- sensor 5a. Hereafter, information whether the detected door is on a position capable of locking or not is transmitted to an operation part through a communicating means. When a command for locking the door from the operation part is received by the communicating means, a lock piece 2 provided with a lock part 2a to lock the lock piece receiver is moved in a specified direction by magnetizing action of a solenoid, and the lock piece receiver is engaged with the lock part of the lock piece. Namely, the door is locked against a refrigerator main body. At this time, a tongue piece 6a provided on the lock piece changes the detecting condition of a photo-sensor 5a. Hereafter, information indicating the detected lock condition of the door is transmitted to the operation part by the communicating means. |
