Title: Manual air dust particle counter
Application Number: 200520035449 Application Date: 2005.09.14
Publication Number: 000000000 Publication Date:
Approval Pub. Date: 2006.09.20 Granted Pub. Date: 2006.09.20
International Classifi-cation: G01N15/00;G01N21/49;G06M1/272
Applicant(s) Name: Chuanjia Electronic Co., Ltd., Sichuan Address:
Inventor(s) Name: Zhao Gang;Lin Hai;Li Shiyong;He Xiangyu
Attorney & Agent: yu jianqin
Abstract:
    The utility model belongs to the field of the count technique, especially which relates to a manual air dust particle counter. The counter consists of an USB interface, SCM circuit whose power circuit is voltage transformation circuit. The amplifying circuit is differential operational amplifier circuit. The signal processing circuit is DSP digital signal processing circuit. The logic circuit is low-pressure for supplying power digital logic circuit. The laser sensing circuit is with low power consumption and dual lens irregular particle scattering analysis circuit. The counter first adopts DSP technique for particle analysis and adopts laser particle sensor in low power consumption for the particle collection, which is the core for the whole manual air dust particle counter. The utility model the manual air dust particle counter is provided with these features such as high precision, high reliability, good conformance, low power consumption, low noise and pocket, and strong portability and so on. The key technical indexes of its performance already has reached and exceeded the present air dust particle counter in the international leading position.
Time: 5