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Particle sensing device

A sensing device and particle technology, which is applied in the direction of measuring device, particle suspension analysis, suspension and porous material analysis, etc., can solve the problem of increasing sensing error, reducing the service life of suspended particle sensors, and affecting the calculation of suspended particle concentration and other problems to achieve the effect of reducing sensing error, maintaining sensing accuracy and prolonging service life

Pending Publication Date: 2022-05-20
IND TECH RES INST
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Problems solved by technology

[0004] The purpose of the present invention is to provide a particle sensing device, which is used to solve the problem that large-size particles or dust are easy to accumulate inside the sensor and on the sensing element under the long-term use of the suspended particle sensor in the prior art, which affects the suspension. The calculation of the concentration of particles will increase the sensing error and reduce the service life of the suspended particle sensor

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Embodiment Construction

[0051] The detailed features and advantages of the embodiments of the present invention are described in detail below in the implementation manner, the content is enough for anyone with ordinary knowledge in the field to understand the technical content of the embodiments of the present invention and implement them accordingly, and according to the disclosure of this specification With the content, claims and drawings, anyone with ordinary knowledge in the art can easily understand the related objects and advantages of the present invention. The following examples illustrate the present invention in further detail, but do not limit the scope of the present invention in any way.

[0052] In the so-called schematic diagrams in this specification, the dimensions, proportions and angles may be exaggerated for illustration purposes, but are not intended to limit the present invention. Various changes can be made without departing from the gist of the present invention. "On" descri...

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Abstract

The invention discloses a particle sensing device which is used for detecting the concentration of particles in a fluid. The particle sensing device comprises a detection flow channel, a sensing space, a sensing light source and a sensing element. Fluid can pass through the detection flow channel. The sensing space is located on one side of the detection flow channel and communicated with the detection flow channel, and the sensing space is defined by an enclosure bulkhead. The sensing light source and the sensing space are located on the two opposite sides of the detection flow channel respectively, the sensing light source is used for emitting a light beam towards the detection flow channel, and the light beam can collide with at least one particle in the fluid. The sensing element is arranged on the inner wall face of the enclosure wall and used for sensing scattered light energy generated after the light beam collides with the particles. Wherein a spacing distance is formed between the sensing element and the detection flow channel.

Description

technical field [0001] The present invention relates to a particle sensing device, in particular to a particle sensing device suitable for detecting the concentration of particles in a fluid. Background technique [0002] In recent years, some areas have been infringed by high concentrations of suspended particulates for a long time, and people's awareness of the health hazards of suspended particulates has increased, prompting people to pay more and more attention to the issue of suspended particulates. [0003] At present, most of the common suspended particle sensors on the market use the principle of light dispersion to detect the concentration of suspended particles, and combine the optical path, flow field and sensing elements in the light source sensing part to form the purpose of detecting particles. Since the optical path, flow field, and sensing element of this type of product form an orthogonal pattern, and the sensing element is placed at the position where the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06
CPCG01N15/06G01N15/075G01N2015/1486G01N15/1459G01N2015/0046
Inventor 蔡淙宇古光辉陈志仁
Owner IND TECH RES INST
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