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Microparticle detection device

A detection device, particle technology, applied in measurement devices, particle suspension analysis, suspension and porous material analysis, etc., can solve the problem of inability to confirm the concentration of suspended particles

Pending Publication Date: 2020-09-22
MICROJET TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, the problem of gas pollution has become more and more serious, especially the concentration data of fine suspended particles (such as: PM2.5) is often too high. Indeterminate flow, and the current gas quality monitoring stations for detecting suspended particles are mostly fixed points, so it is impossible to confirm the concentration of suspended particles in the surrounding area at all. Therefore, a miniature and portable gas detection device is needed for users to monitor at any time and any place. Detect the concentration of aerosols around

Method used

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Embodiment Construction

[0081] Some typical embodiments embodying the features and advantages of the present application will be described in detail in the description in the following paragraphs. It should be understood that the present case can have various changes in different aspects without departing from the scope of the present case, and the descriptions and diagrams therein are used for illustration in nature rather than limiting the present case.

[0082] see Figures 1 to 4CAs shown, this case provides a particle detection device, including a base 1 , a detection component 2 , a micropump 3 , a drive control board 4 , an outer cover 5 and a protective film 6 . The above-mentioned base 1 has a first surface 1a and a second surface 1b, the first surface 1a and the second surface 1b are two opposite surfaces, and a detection component bearing area 11, a micropump bearing Area 12, a detection channel 13, a light beam channel 14 and an optical trap area 15, wherein the detection channel 13 and ...

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Abstract

A microparticle detection device comprises a base including a detection component bearing area, a micro pump bearing area, a detection channel, a light beam channel and a light trap area, and the light trap area is provided with a light trap structure corresponding to the light beam channel; the detection part comprises a microprocessor, a particle sensor and a laser, the laser is arranged in thedetection part bearing area of the base, and the particle sensor is arranged at the orthogonal position of the detection channel and the light beam channel; when the particle sensor and the laser arecontrolled by the microprocessor to be driven to operate, the laser emits a projection light source in the light beam channel, the particle sensor detects the size and concentration of suspended particles contained in circulating gas in the detection channel, the projection light source is projected on the light trap structure after passing through the detection channel, and stray light is reducedto be directly reflected back into the light beam channel.

Description

technical field [0001] This case relates to a particle detection device, especially a particle detection device that can be assembled in a thin portable device for gas monitoring. Background technique [0002] Suspended particles refer to solid particles or liquid droplets contained in the gas. Because of their very fine particle size, they can easily enter the lungs of the human body through the nasal hairs in the nasal cavity, thus causing lung inflammation, asthma or cardiovascular disease. If other Pollutants attached to suspended particles will aggravate the harm to the respiratory system. In recent years, the problem of gas pollution has become more and more serious, especially the concentration data of fine suspended particles (such as: PM2.5) is often too high. Indeterminate flow, and the current gas quality monitoring stations for detecting suspended particles are mostly fixed points, so it is impossible to confirm the concentration of suspended particles in the su...

Claims

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Application Information

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IPC IPC(8): G01N15/06
CPCG01N15/06G01N15/075
Inventor 莫皓然吴锦铨陈智凯林景松黄启峰韩永隆陈宣恺
Owner MICROJET TECH
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