Bio sensor and air cleaner having same
AssigneeCoway Co., Ltd.
InventorSeong-Jin Yun
Life of this patent
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Abstract
There is provided a biosensor, which may measure the concentration of indoor bioaerosols through an optical sensing method of sensing ultraviolet light scattered by bioacrosols, and an air cleaner having the same. The biosensor includes a light irradiator and an ultraviolet light sensor detecting scattered ultraviolet light, from light irradiated by the light irradiator, reflected from bioaerosols. The biosensor may measure the concentration of indoor bioaerosols through the optical sensing method in real time, using a certain wavelength of ultraviolet light scattered by bioaerosols, and may allow the air cleaner to be operated under proper conditions based on a measured concentration of bioaerosols and a measured concentration of dust particles.
Claims8
An air cleaner comprising:
- a housing;
- a blower provided in the housing and moving the air in such a manner that the outdoor air flows in the housing and is discharged;
- a sterilizer provided in the housing, and sterilizing the air flowing in the housing;
- a controller controlling the blower and the sterilizer;
- and
- a biosensor including a light irradiator, an ultraviolet light sensor detecting scattered ultraviolet light, from light irradiated by the light irradiator, reflected from bioaerosols, and converting a detected value into an electrical signal, and a scattered light sensor detecting scattered light, from light irradiated by the light irradiator, reflected from dust particles, and converting a detected value into an electrical signal,
- wherein the controller controls operations of the blower and the sterilizer based on the values detected by the ultraviolet light sensor and the scattered light sensor.
Dependencies are inferred from the claim text.