Real-time microbial particle counter
A particle counter and microorganism technology, applied in particle size analysis, scientific instruments, particle suspension analysis, etc., can solve the problems of microorganisms not multiplying to a countable level, difficult to ensure the number of microorganisms, and the growth cycle of microorganisms is not the same, etc., to achieve the detection cycle. Short, real-time, easy-to-use effects
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[0044] A real-time microbial particle counter includes an optical path, an air path, and a signal processing system. The optical path includes an illumination optical path and a collection optical path, and the air path is a sampling air path.
[0045] Such as figure 1 As shown, the illumination optical path includes a semiconductor laser 101, an illumination collimator 102, and a cylindrical mirror 103. After the laser beam emitted by the semiconductor laser 101 is collimated by the illumination collimator 102, it is one-dimensionally focused by the cylindrical mirror 103 into an elongated spot . The intersection of the light irradiation area formed at the focal point of the cylindrical mirror 103 and the sampling airflow of the gas path forms the photosensitive area 118 , and the intersection of the optical axis of the illumination optical path and the focal line of the cylindrical mirror is the center of the photosensitive area 118 .
[0046] The collecting light path incl...
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