PM2.5 detecting and broadcasting apparatus
A technology of a PCB board and a casing is applied in the field of PM2.5 detection and broadcasting devices, which can solve the problem of no device capable of real-time detection of PM2.5 values, and achieve the effects of convenient air quality and convenient use.
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[0023] This embodiment provides a PM2.5 detection and broadcast device, such as Figure 1-3 shown, including:
[0024] The housing 1 has an accommodating chamber, a liquid crystal screen 11 and a power button 12 on the front face, an arc-shaped rear end face, through holes 18 on the top and bottom faces, and a USB interface 13 on one of the top and bottom faces to accommodate The cavity is provided with a PCB board, the PCB board includes, a processor, etc., a battery 14 for powering the PCB board is also provided in the accommodating cavity, a light source 15 and a camera 16 for taking images of PM2.5 particles in the air are also provided in the accommodating cavity, and the processing The device calculates the number of PM2.5 particles in the air according to the images taken by the camera 16. The central axes of the light source 15 and the camera 16 are arranged in a V shape, all facing the center of the housing 1, and at 45° to the central axis of the housing 1. angle, t...
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Abstract
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