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Particle measurement device and measurement method thereof

A technology for measuring devices and particles, which can be used in measuring devices, chemical instruments and methods, particle size analysis, etc.

Active Publication Date: 2010-11-17
上海杰远环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this kind of measurement method or device based on optical principles has relatively high measurement accuracy, its cost is often relatively high, which limits its application range.

Method used

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  • Particle measurement device and measurement method thereof
  • Particle measurement device and measurement method thereof
  • Particle measurement device and measurement method thereof

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Experimental program
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specific Embodiment

[0057] image 3 It is a specific embodiment of the particle measuring device described in the present invention. In this embodiment, the charge appender 120 is realized by using a metal mesh structure, and its electric field direction is consistent with the direction of the particles in the channel 131, and the charge receiver 141 is connected through a conductive ellipsoid shell with an opening 141a at one end. Achieved.

[0058] The particle measuring device 100 includes a support body 130 related to the application, on which a passage 131 for conveying particles, a particle inlet 132 for introducing particles, and a charge outlet for deriving The particles are sent to the particle outlet 131 a of the charged particle receiver 140 described later. Corresponding to the particle feed port 132, there is provided a feed port filter layer 133 with one end connected to the body 130 for filtering the particles to be tested.

[0059] Corresponding to one end of the channel 131 cl...

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PUM

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Abstract

The invention provides a particle measurement device and a particle measurement method, and belongs to the technical field of particle measurement. The device comprises a body for supporting, a charge adapter for performing charge adapting operation on particles to be measured, a charge collector for supplying charges to the charge adapter, a charged particle receiver for collecting charge quantity carried by the charged particles, a charge leading-out assembly for leading out the received charges, a charge measurement assembly for measuring the charge quantity, and a particle analysis assembly for making the measured charges correspond to the particle condition. The particle measurement method comprises the following steps of: charging the particles, collecting the charged particles carrying charges, leading out the charges carried by the charged particles, measuring the led-out charge quantity carried by the charged particles, and analyzing the condition of the particles according to the measured charge quantity. Compared with the prior art, the device and the method can identify the number and granularity of the particles more effectively.

Description

technical field [0001] The invention relates to the technical field of particle measurement, in particular to a particle measurement device and a measurement method thereof. Background technique [0002] In recent years, with the wide application of nanotechnology in the fields of pharmaceuticals, biology, electronics, optoelectronics, energy, catalysis and ceramics, the requirements for the measurement and monitoring of nanoparticle size in various industries have become more and more stringent. [0003] At present, my country's nanoparticle particle size measurement technology and instruments are mainly concentrated on the measurement device based on the light scattering method. ", including a counting sensing device, a concentration sensing device, an air pump and corresponding subsequent processing circuits, and the counting and concentration sensing device is respectively equipped with a light scattering cavity and an optical path system and an air path system matched th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/00G01N15/02
CPCG01N15/02B03C3/025B03C3/145G01N2001/4038B03C2201/16G01N15/1031B03C2201/10G01N2015/0038B03C2201/24B03C3/12B03C3/08
Inventor 马宇尘
Owner 上海杰远环保科技有限公司
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