Importance

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Abstract

The present invention relates to a collection method for a particulate matter detector, including: performing normalized calculation on collected initial air particulate matter values, to calculate an initial particulate matter variation among the initial air particulate matter values; obtaining a real-time collection cycle coefficient by performing calculation on the initial particulate matter variation through a stepwise approximation method and table lookup, and calculating a real-time particulate matter collection interval time; then, collecting an air particulate matter value again after the real-time collection interval time, where the air particulate matter value collected at this time is a latest air particulate matter value; performing normalized calculation on the latest air particulate matter value and a data value displayed by the particulate matter detector, to calculate a real-time particulate matter variation; and obtaining a new real-time collection cycle coefficient by performing calculation on the real-time particulate matter variation through the stepwise approximation method and table lookup. According to the present invention, a particulate matter detector can adjust a collection interval time in real time as a concentration of particulate matters in the air changes, thereby improving an endurance capacity thereof.

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First Claim