US 12,105,000 B2
Fine dust measurement module and fine dust measurement device
Ilhwan Kim, Yongin-si (KR); Sejin Yook, Seoul (KR); Gibong Sung, Seoul (KR); and Seokwhan Chung, Hwaseong-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), Seoul (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), Seoul (KR)
Filed on Feb. 28, 2022, as Appl. No. 17/682,858.
Claims priority of application No. 10-2021-0109638 (KR), filed on Aug. 19, 2021.
Prior Publication US 2023/0056602 A1, Feb. 23, 2023
Int. Cl. G01N 15/02 (2024.01); G01N 1/22 (2006.01); G01N 15/06 (2006.01); G01N 15/00 (2006.01); G01N 15/10 (2006.01)
CPC G01N 15/0272 (2013.01) [G01N 1/2273 (2013.01); G01N 15/0255 (2013.01); G01N 15/06 (2013.01); G01N 2015/0046 (2013.01); G01N 2015/0096 (2013.01); G01N 2015/0277 (2013.01); G01N 2015/0288 (2013.01); G01N 2015/1021 (2024.01)] 23 Claims
OG exemplary drawing
 
1. A fine dust measurement module comprising:
a fluid inlet into which fluid including fine dust with particles of various diameters flows;
a first channel through which first fine dust, of the fine dust introduced through the fluid inlet, with first particles having a diameter greater than or equal to a first diameter passes;
a second channel through which second fine dust, of the fine dust introduced through the fluid inlet, with second particles having a diameter less than the first diameter passes;
a flow ratio control nozzle provided in the first channel and configured to control a flow ratio between a first portion of the fluid flowing into the first channel and a second portion of the fluid flowing into the second channel; and
a fine dust sensor configured to sense the second fine dust passing through the second channel,
wherein the first channel comprises:
a first region provided on a same plane as the second channel;
a second region connected to the first region and provided on a different plane than the second channel; and
a third region connected to the second region and provided on the same plane as the second channel.