| 摘要 |
<p>PURPOSE:To provide a small-sized safe air purifier exposing an objective space to ozone, eliminating the effect of ozone on a human body by a human body detection sensor and an ozone sensor and not damaging the deodorizing/ sterilizing effect of ozone. CONSTITUTION:The presence of a person is detected by a human body detection sensor 5 and, when the person is present, the concn. of ozone at an ozone generating blowoff port is controlled so as to exert no effect on a human body and, when no person is present, the concn. of ozone in an objective space is controlled so as to exert no effect on the human body.</p> |
