| 摘要 |
<p>The present invention relates to an insect repellent apparatus using ultrasonic waves, comprising: an insect repellent unit installed in an opening of a building, including a screen wherein a plurality of through-holes are formed to allow outside air to flow into the building while blocking incoming harmful insects; an ultrasonic generator installed in the insect repellent unit to generate ultrasonic waves to prevent an approach of harmful insects; and a power supply part to supply power to the ultrasonic generator. According to the present invention, the insect repellent apparatus using ultrasonic waves generates ultrasonic waves, to which harmful insects dislike, to prevent the approach of harmful insects; thereby significantly reducing incoming harmful insects to the building.</p> |
