| abstract |
[PROBLEMS] To control not only on / off of a plasma device according to the opening / closing of a door, but also to ensure deodorization performance or sterilization performance when the door is closed, and to suppress an increase in the operating time of the plasma device. Prevent accumulation of seeds and ozone. A plasma device that generates ozone or active species by generating plasma in a refrigerator to deodorize or sterilize the refrigerator, wherein the refrigerator door is opened. When the plasma device is stopped, the plasma device is operated when the refrigerator door is closed, and the refrigerator door is closed for a predetermined time or longer, the operation is performed in conjunction with the refrigerator fan. It is characterized by switching. [Selection] Figure 2 |