A method, system, and household appliance for detecting the concentration of dust particles in indoor air
A particle concentration, indoor air technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve the problems of high sensor prices, not easy to be accepted, and rising costs, and achieve cost reduction, easy implementation, and simple detection methods Effect
Active Publication Date: 2019-05-31
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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Problems solved by technology
The price of this special sensor is relatively high, so the cost of household equipment with air detection and reminder functions, such as air conditioners, will increase after being equipped with this sensor
For ordinary users, it is not easy to accept the purchase of a special air purifier to detect and purify the indoor air.
Method used
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[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0024] After testing, it is found that during the operation of air conditioners, air filters and other household appliances including dust filters, the amount of dust particles adsorbed by the dust filters per unit time is proportional to the concentration of dust particles in the indoor air. The change of the degree of blockage is directly proportional to the concentration of dust particles, that is, the rate of change of dirty blockage of the dust filter is directly proportional to the concentration of dust particles in the air. Using this proportional relationship, the concentration of dust particles in the indoor air can be determined, and the approximate concentration of bacteria can also be marked.
[0025] Su...
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The invention in particular relates to a detection method and system for indoor air dust particle concentration and a household appliance. The method comprises the following steps: obtaining the filth blockage degree and the filth blockage change rate of a strainer mesh; obtaining a calculation formula of the indoor air dust particle concentration according to the filth blockage degree of the strainer mesh; generating and displaying the corresponding indoor air dust particle concentration according to the filth blockage change rate and the calculation formula of the indoor air dust particle concentration. According to the invention, the filth blockage degree of the strainer mesh in the household appliance such as an air conditioner and an air filter is detected, and the indoor air dust particle concentration is obtained according to a taking value interval of the filth blockage degree and the filth blockage change rate, so that a tenant is reminded to carry out ventilation or directly drive ventilation equipment to change air when the particle concentration is higher, any other devices are not required to be added, and the detection method is further simple and easy to implement, the functions of the household appliance such as the air conditioner and the air filter can be enriched, and the cost for air detection is further lowered for a user.
Description
technical field [0001] The invention relates to the field of home appliance control, in particular to a method, system and home appliance for detecting the concentration of dust particles in indoor air. Background technique [0002] With the worsening of environmental problems, air quality and health issues are getting more and more attention. People spend 90% of their daily lives indoors, so the quality of indoor air directly affects people's health. [0003] Indoor air quality is largely determined by the concentration of dust particles and bacteria it contains. Dust particles are small in diameter, so they stay suspended in the air for a long time. Among them, the ones with larger diameters will be observed by human eyes under the sunlight, which will make people feel uncomfortable; the ones with smaller diameters will be inhaled into the respiratory tract, seriously affecting human health. There is a positive correlation between the concentration of bacteria in the ai...
Claims
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IPC IPC(8): G01N15/06
CPCG01N15/0625
Inventor 袁光
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD