US 12,217,594 B2
Gas detection device
Cheol-hee Choi, Pohang-si (KR); Kisoo Kim, Pohang-si (KR); and Dukman Lee, Pohang-si (KR)
Assigned to POSCO CO., LTD, Pohang-si (KR)
Appl. No. 18/268,171
Filed by POSCO Co., Ltd, Pohang-si (KR)
PCT Filed Sep. 1, 2021, PCT No. PCT/KR2021/011770
§ 371(c)(1), (2) Date Jun. 16, 2023,
PCT Pub. No. WO2022/131484, PCT Pub. Date Jun. 23, 2022.
Claims priority of application No. 10-2020-0178275 (KR), filed on Dec. 18, 2020.
Prior Publication US 2024/0296731 A1, Sep. 5, 2024
Int. Cl. G08B 21/14 (2006.01); G01N 1/22 (2006.01); G08B 5/22 (2006.01); G08B 7/06 (2006.01)
CPC G08B 21/14 (2013.01) [G01N 1/2205 (2013.01); G01N 1/2273 (2013.01); G08B 5/223 (2013.01); G08B 7/06 (2013.01); G01N 2001/2276 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A gas detection device comprising:
a case in which a plurality of grooves are formed in a circumferential surface;
an inlet which is coupled to a first groove among the grooves and through which air is introduced into the case;
a power button which is coupled to a second groove among the grooves and turns a power source on or off;
a gas detector which is provided in the case and detects a gas contained in the introduced air;
a light unit which is coupled to a third groove among the grooves and emits light to inform an outside of one or more states in which the power source is turned on or off and whether the gas is detected;
a battery which supplies power;
a beep generator which generates a beep when a gas detection signal is received from the gas detector; and
a power switch operated by the power button to turn on or off so as to supply the power from the battery,
wherein of the inlet, the power button, and the light unit are coupled to the grooves in a recessed form,
the battery, the beep generator, and the power switch are provided inside the case, and
the case is formed in a small spherical shape which is carried in a palm of an operator and moved by the operator.