PARTICLE COUNTING DEVICE THAT CAN BE MAINTAINED/REPAIRED IN REPLACEABLE TYPE

WIPO Patent Application WO/2021/225252

A1

A particle counting device is disclosed. A particle counting device according to a disclosed embodiment comprises a body module and an attachable/detachable chamber module inserted into the body module in an attachable/detachable manner. The attachable/detachable chamber module comprises: a first housing portion; an optical chamber provided in the first housing portion so as to provide a sealed space; a particle counting means provided in the first housing portion so as to generate light into the optical chamber, to collect light scattered by particles included in air introduced into the optical chamber, and to generate a light scattering signal; a substrate provided inside the first housing portion and electrically connected to the particle counting means; and a first connector provided on one side of the substrate so as to protrude toward the outside of the first housing portion. The body module comprises: a second housing portion, one side of which is open, the second housing portion having a containing space in which the attachable/detachable chamber module is contained; a main board provided in the second housing portion; and a second connector provided on one side of the main board such that, if the attachable/detachable chamber module is contained in the second housing portion, the second connector is connected to the first connector.

PARK JUN CHEOL (KR)

PCT/KR2021/000662

November 11, 2021

January 18, 2021

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PARK JUN CHEOL (KR)

G01N15/14; G01N15/02

KR101030329B1	2011-04-20
KR20170086248A	2017-07-26
JP2019184317A	2019-10-24
KR101960522B1	2019-03-20
KR20160122350A	2016-10-24

DOOHO IP LAW FIRM (KR)

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