Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof

Abstract

The invention discloses smoke concentration detection method for a smoke exhauster. The method comprises the steps that the intensity of light which comes from a determined light source and passes through an oil smoke area is detected, and the smoke concentration at the oil smoke area and / or the smoke concentration change trend are / is determined. The invention further discloses a wind speed automatic adjusting method for the smoke exhauster. The method comprises the step that the intensity / or the intensity change trend of the light which comes from the determined light source and passes through the oil smoke area of the smoke exhauster is detected. The invention also discloses the smoke exhauster which is capable of automatically adjusting the wind speed. A light emitter and a light receiver are correspondingly arranged on two opposite side walls of the smoke exhauster, so that the light which is emitted by the light emitter and passes through the oil smoke area of the smoke exhauster can be received by the light receiver. According to the smoke exhauster which is capable of automatically adjusting the wind speed, the wind speed of a fan can be automatically adjusted; the operation is convenient; and while the smoke pollution in a kitchen is fully avoided, an energy-saving effect can also be realized.

Description

technical field [0001] The invention relates to a range hood, a smoke detection method and a wind speed adjustment method thereof. Background technique [0002] The composition of kitchen fumes is very complex, mainly including water, aldehydes, ketones, alcohols, etc., including volatile nitrosamines, heterocyclic amines and other known mutagenic and carcinogenic substances, as well as tar, carbon monoxide, and carbon dioxide. It is not only harmful to human health, but also pollutes the sanitary environment of the kitchen, so it must be removed in time. [0003] The wind speed of the traditional range hood needs to be adjusted manually, which is not scientific and accurate enough, and the extraction of oil fume does not meet the health requirements, and it is often inconvenient due to forgetting to turn on the switch of the range hood or needing to adjust the range hood during the cooking process. Contents of the invention [0004] The object of the present invention is...

AI Technical Summary

Problems solved by technology

It is not only harmful to human health, but also pollutes the sanitary environment of the kitchen, so it must be removed in time

[0003] The wind speed of the traditional range hood needs to be adjusted manually, which is not scientific and accurate enough, and the extraction of oil fume does not meet the health requirements, and it is often inconvenient due to forgetting to turn on the range hood switch or needing to adjust the range hood during cooking.

Images