-
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
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
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.
-