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A Portable and Adjustable Atmospheric Particle Detection Device

A technology for atmospheric particulate matter and detection device, which is applied to measurement devices, sampling devices, sampling, etc., can solve the problems of uneven air, non-uniformity of samples, affecting detection accuracy and quality, etc., to facilitate disassembly and operation, and facilitate collection and detection effect used

Inactive Publication Date: 2020-06-23
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing atmospheric particle detection devices have a relatively fixed collection and detection angle for particles in the air, and it is not convenient to adjust the collection and detection angle. In this way, when collecting particles in the atmosphere at different locations for subsequent detection, for some gases In areas with poor circulation, because the angle is always in a fixed position during extraction and detection, it often leads to uneven extraction of air, which does not have uniformity for the tested samples, and cannot respond to the situation in the entire area, which affects the detection accuracy and quality

Method used

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  • A Portable and Adjustable Atmospheric Particle Detection Device
  • A Portable and Adjustable Atmospheric Particle Detection Device
  • A Portable and Adjustable Atmospheric Particle Detection Device

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Embodiment Construction

[0026] see Figure 1~4 , in an embodiment of the present invention, a portable and adjustable atmospheric particle detection device includes a protective grille 1, a shroud 2, a collection frame 3, a detection chamber 4 and a base 5, and is characterized in that the protective grille 1 card Connected to the outer surface of one open end of the wind deflector 2, the other open end of the wind deflector 2 communicates with the open end of the detection chamber 4, and the collection frame 3 is detachably embedded in the detection chamber 4. Inside, there are multiple collecting racks 3 arranged at intervals, and the detection chamber 4 and the base 5 are hinged and arranged together by pins 6 at adjustable angles.

[0027] In this embodiment, the air deflector 2 is provided with an exhaust fan 21 inside, and the center of the rotating shaft of the exhaust fan 21 is also extended and fixed with a drive shaft, and a connecting column 10 is fixedly installed on the drive shaft. , t...

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Abstract

The invention discloses a portable adjustable atmospheric particulate detecting device. The device can not only stabilize the clamping protection of the detecting device, but also can cooperate with the rotating operation of a pin shaft to comprehensively change the orientation of the detecting device to meet detecting requirements of a wider range. By setting different numbers of connecting blocks on both ends, overall eccentric rotation of a connecting column and the connecting blocks is realized. Through eccentric rotation, a shroud automatically swings around the pin shaft within a certainrange. A gravity center adjusting block is arranged on the inner wall of the conical structure of the shroud. The gravity center adjusting block is arranged to be adjustable along the axial directionof the shroud. According to the detecting device, when the gravity center adjusting block is located at the center of the adjusting amplitude thereof and an exhaust fan are stopped, the center of gravity of the detecting device is located in the vertical plane where the pin shaft is located; and the balance angle of the shroud and a detecting cabin can be adjusted to facilitate automatic angle swing under eccentric oscillation during eccentric rotation in subsequent detection.

Description

technical field [0001] The invention relates to a gas particle detection device, in particular to a portable and adjustable atmospheric particle detection device. Background technique [0002] Suspended particulate matter in the atmosphere has become a major focus of people's attention. Inhalable particles in the atmosphere can cause respiratory diseases in the human body, and then lead to lung function damage and other hazards. [0003] The existing atmospheric particle detection devices have a relatively fixed collection and detection angle for particles in the air, and it is not convenient to adjust the collection and detection angle. In this way, when collecting particles in the atmosphere at different locations for subsequent detection, for some gases In areas with poor circulation, because the angle is always in a fixed position during extraction and detection, it often leads to uneven extraction of air, which does not have uniformity for the tested samples, and cannot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/22G01N15/00
CPCG01N1/2205G01N1/2273G01N15/00
Inventor 邓启红
Owner CENT SOUTH UNIV
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