Method and device for detecting powder jet characteristics

A detection device and detection method technology, applied in the direction of measuring devices, material absorption weighing, instruments, etc., can solve the problems that the detection method cannot fully meet the needs of high-speed powder jet detection, accuracy, cycle impact, etc., and achieve low cost and adaptability Strong, full preservation effect

Active Publication Date: 2019-01-08
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

For some jet parameters, such as jet quality, optical detection methods cannot be obtained directly, and indirect measurement has an impact on accuracy and cycle
[0005] In summary, the existing detection methods cannot fully meet the detection needs of high-speed powder jet characteristics, and it is urgent to develop an alternative or supplementary detection method, which should have low cost, easy operation, strong versatility, and direct measurement of multiple parameters. features

Method used

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  • Method and device for detecting powder jet characteristics
  • Method and device for detecting powder jet characteristics
  • Method and device for detecting powder jet characteristics

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Embodiment Construction

[0037] According to the general inventive concept of the present invention, a detection device for powder jet characteristics is provided, including: a movable assembly, which includes an adsorption member and a support member, the adsorption member is set to absorb powder in the jet, and the support member is set to The adsorption member is supported; the connection assembly is used to fix the movable assembly to the ejection substrate.

[0038] Among them, the movable component and the connecting component are required structures, and the fixed component is optional according to the detection requirements. The movable component is the main part of the detection device, which is used to complete the main functions of the detection device such as powder adsorption and parameter measurement; the connecting component fixes the movable component to the spray substrate; the fixed component provides auxiliary functions such as precise positioning and temperature control. In a typic...

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Abstract

A powder jet characteristic detection device comprises a movable assembly and a connection assembly, wherein the movable assembly comprises an adsorption component and a supporting component, the adsorption component is arranged to adsorb powder in jet flow, and the supporting component is arranged to support the adsorption component; the connection assembly is used for fixing the movable assembly to a jet substrate.The invention further provides a powder jet characteristic detection method.By the adoption of the capture and measurement integrated detection method and device, high-speed powder is captured through the special adsorption component, influences on jet flow are small, powder information is saved completely, characteristic parameters can be directly read by means of a ruler embedded in the device, more comprehensive characteristic parameters are obtained easily through subsequent processing, and scientific research and engineering application of the high-speed powder jet are facilitated.

Description

technical field [0001] The invention belongs to the technical field of high-speed two-phase flow and detection instruments, and in particular relates to a detection method and device for powder jet characteristics. Background technique [0002] High-speed powder jet is composed of high-speed moving gas and solid powder particles, and is often used for surface spraying and parts processing. The characteristic parameters of high-speed powder jet are quantitative parameters used to characterize the powder jet at a certain position (usually a flat substrate), including powder injection volume, powder spatial distribution, particle size distribution, etc. The characteristic parameters of high-speed powder jet affect the quality and efficiency of spraying or processing, and the development of detection methods and devices is of great significance. [0003] At present, optical detection methods and devices are usually used, such as high-speed photography (High-speed Photography), ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/02G01N15/02
CPCG01N5/02G01N15/02G01N15/0227
Inventor 朱伟军赵庆军赵巍徐建中
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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