FINE DUST CONCENTRATION SENSOR

• Main Authors: LEE TAE KYUNG, SHIN RAN HEE, KYOUNG JE HONG, SON JIN SUK, LEE HWA SUN
• Format: Patent
• Language: English; Korean
• Published: 10.12.2019
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; PHYSICS; TESTING

The present invention provides a fine dust concentration sensor which can accurately measure a concentration of fine dust. According to an embodiment of the present invention, the fine dust concentration sensor comprises: at least one volume acoustic resonator; and a cap formed of an upper part and a side part connected with the upper part and accommodating the at least one volume acoustic resonator. An upper surface of the upper part of the cap is coated with a hydrophobic material and the upper part of the cap has a plurality of holes formed therein. 본 발명의 일 실시예에 따른 미세 먼지 농도 센서는 적어도 하나의 체적 음향 공진기, 및 상부 및 상부와 연결되는 측부로 구성되어, 상기 적어도 하나의 체적 음향 공진기를 수용하는 캡을 포함하고, 상기 캡의 상부의 상면은 소수성 물질로 코팅되고, 상기 캡의 상부에는 복수의 홀이 형성될 수 있다.