An air purifier and its filter screen replacement reminder method and device

Abstract

The invention belongs to the field of air purification devices, and particularly relates to an air purifier and a replacement reminding method and device for a filter screen of the air purifier. In the air purifier and the replacement reminding method and device, different factors of air quality are taken into consideration according to the replacement reminding method for the filter screen of the air purifier, the concentration of pollutant capable of being adsorbed by the filter screen at present is detected, the amount of the pollutant adsorbed by the filter screen is calculated, the total amount of the pollutant adsorbed by the filter screen is calculated for the pollutant amount increase within each unit time interval and is divided by the maximum pollutant adsorption amount allowed by the filter screen to obtain the pollutant adsorption rate of the filter screen, and a user is reminded to prepare to replace the filter screen with a new filter screen in advance according to the pollutant adsorption rate; in addition, the filter screen consumption speed can be calculated through one step, the residual service life of the filter screen can be obtained, and the user can be reminded to prepare to replace the filter screen with the new filter screen in advance as well.

Description

technical field [0001] The invention belongs to the field of air purifiers, and in particular relates to an air purifier and a filter screen replacement reminder method and device thereof. Background technique [0002] Air purifiers generally consist of filters, fans, processors, and various sensors that measure air quality. During the working process, the purifier controls the fan to drive the air to flow through the filter according to the air quality, and the dust and other pollutants in the air are absorbed by the filter, so as to achieve the purpose of purification. Filters are central to purifying the air, however, over time, pollutants build up in the filter, eventually exceeding its capacity. At this time, the filter screen needs to be replaced in time, otherwise the purification ability of the air purifier will be greatly reduced. [0003] In order to avoid excessive use of the filter, a common practice is to accumulate the use time of the filter, and once the use...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiment of the present invention is to provide a filter replacement reminder method for an air purifier, which aims to solve the problem that the current filter replacement reminder method ignores the air quality of the use environment and cannot remind the user to replace the filter in advance

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