公开(公告)号：US11137363B2

公开(公告)日：2021-10-05

申请号：US16313355

申请日：2016-08-24

Applicant: LG ELECTRONICS INC.

Inventor： Kangsun Lee ,  Chaedeok Lee ,  Seonghyok Kim ,  Seonghak Moon ,  Kangmin Kim ,  Hyekyoung Seo ,  Oedong Kim

IPC: G01N25/20 ,  G01N21/94 ,  G01N25/32 ,  G01N25/46 ,  G01N21/53 ,  G01N21/61 ,  G01N21/3504

Abstract: A composite sensor for sensing gas and dust by using a single heat source, according to an embodiment of the present invention, can comprise: a base; a gas sensor module comprising a gas sensor and a first light source in a first space; a dust sensor module comprising a dust sensor, a lens, and a second light source in a second space; and a heat transfer wall for transferring heat generated by the first light source to the dust sensor module.

公开(公告)号：US11112343B2

公开(公告)日：2021-09-07

申请号：US16464235

申请日：2017-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Kangsun Lee ,  Taehyung Kim ,  Seunghyun Lee ,  Misook Kim ,  Seonghyok Kim ,  Oedong Kim ,  Hyekyoung Seo

IPC: G01N15/06 ,  G01N1/22

Abstract: Provided is a dust measurement apparatus for accurately measuring the dust concentration of two spaces and minimizing the possibility of noise generation, comprising: a dust sensor; a body housing having the dust sensor loaded therein, and having an inner space; a first outer hole and a second outer hole, which are respectively formed at two points of the body housing so as to connect the outside and the inner space; a first fan and a second fan, which are provided at the positions corresponding to each of the first outer hole and the second outer hole and driven so as to form a flow toward the inner space from the outside; and a control part for selectively driving the first fan or the second fan.