Direct quantitative control method for indoor air purifier filter screen replacement
A filter replacement and quantitative control technology, applied in chemical instruments and methods, separation methods, dispersed particle filtration, etc., can solve the problems of purifier failure, waste, difficulty, etc., and achieve the effect of ensuring filtration efficiency
Inactive Publication Date: 2016-09-07
薛景森
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[0003] Therefore, the pollution is relatively serious, so the service life of the filter screen in the existing air purifier is not too long, and it needs to be replaced frequently. The frequency of replacing the filter screen in the existing air purifier is completely based on user experience, and there is no quantitative control method. The replacement of the filter itself is related to the pollution concentration. The pollution concentration varies greatly every day, and it is difficult to determine the replacement time of the filter by experience; A Quantitative Filter Replacement Reminder Method
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Embodiment 1
[0018] Such as figure 1 As shown, a kind of indoor air purifier comprises box body 1, and the lower part of described box body 1 is filter room, and the upper part of box body 1 is exhaust room, and exhaust fan 2 is arranged in described exhaust room, and described box body 1 The top of the top is provided with an exhaust pipeline 3 connected to the outlet of the exhaust fan 2; the bottom of the filter chamber is provided with an air inlet 4, and a filter screen is provided in the filter room, and the filter screen includes coarse Filtration layer 5 and fine filter layer 6, described filter inner wall is provided with a ring support ring 7, and described coarse filter layer 5, fine filter layer 6 are installed on the support ring 7 by respective screen frame 8, and described support ring 7 and the filter screen frame 8 are provided with a weight sensor 9, the output end of the weight sensor 9 is connected to a controller, and the controller controls and connects an alarm mecha...
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The invention relates to the field of small household appliances, in particular to a direct quantitative control method for indoor air purifier filter screen replacement. According to the direct quantitative control method for indoor air purifier filter screen replacement, a mass threshold value is set, and then controlling is conducted through the following steps that after a filtering assembly is installed, the initial weight of the filtering assembly is obtained through a weight sensor, when a filter starts working, a controller obtains the current weight of the filtering assembly by reading the weight sensor in real time, the filtrate weight is obtained by subtracting the initial weight from the current weight, and when the filtrate weight exceeds the mass threshold value, the controller controls an alarming mechanism to give an alarm. According to the method, the weight of particulate matter attached to a filter screen is obtained by monitoring the weight added value of the filtering assembly in real time, when the weight of the attached particulate matter exceeds the mass threshold value, the filter screen needs to be replaced, therefore, quantitative control over filter screen replacement is achieved, the replacement cycle of the filter screen reaches the maximum value while the filtering efficiency is guaranteed, and the method is more beneficial for being used by an ordinary family.
Description
technical field [0001] The invention relates to the field of small household appliances, in particular to a quantitative control method for replacing filter screens of indoor air purifiers. Background technique [0002] China's air pollution is getting worse and worse. At the beginning of December 2015, nearly half of China's territory experienced haze weather in varying degrees. The national average number of haze days has exceeded 50 days, seriously affecting human health. Therefore, in heavily polluted cities, every household Every household needs an indoor air purifier. [0003] Therefore, the pollution is relatively serious. Therefore, the service life of the filter screen in the existing air purifier is not too long, and it needs to be replaced frequently. The frequency of replacing the filter screen in the existing air purifier is completely based on user experience, and there is no quantitative control method. The replacement of the filter itself is related to the p...
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IPC IPC(8): B01D46/00
CPCB01D46/0086B01D46/0008
Inventor 薛景森
Owner 薛景森
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