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Detection device for flow velocity measurement and flow field monitoring

A technology of detection device and flow velocity measurement, which is applied in the direction of measurement device, speed/acceleration/shock measurement, speed/acceleration/shock meter detailed information, etc., to achieve the effects of accurate detection accuracy, avoidance of experimental errors, and high detection accuracy and efficiency

Pending Publication Date: 2022-03-01
SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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Problems solved by technology

How to quantitatively or qualitatively test whether the layout of the tuyere and the design parameters are reasonable, there is no reliable detection method in China before the present invention is proposed

Method used

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  • Detection device for flow velocity measurement and flow field monitoring
  • Detection device for flow velocity measurement and flow field monitoring

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Embodiment Construction

[0026] A detection device for flow velocity measurement and flow field monitoring of the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] figure 1 It is a cross-sectional view of a single module of a detection device for flow velocity measurement and flow field monitoring provided by an embodiment of the present invention. Such as figure 1 As shown, the detection device for flow velocity measurement and flow field monitoring includes: cotton ribbon 1, marked liquid container 2, capillary 3, throat 4, dynamic pressure pipeline 5, static pressure pipeline 6, liquid container 7, pressure Sensor 8, base 9, processor 10 and camera 11; Wherein,

[0028] The cotton silk ribbon 1 is installed on the capillary tube 3 through a capillary tube. After the installation is completed, the capillary tube 3 is inserted into the marking liquid container 2. In order to avoid the structure damage of the marking liquid container 2 ...

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Abstract

The invention discloses a detection device for flow velocity measurement and flow field monitoring, which performs detection in a multi-module array form, and each module comprises a cotton silk ribbon, a marked liquid container, a capillary tube, a throat tube, a dynamic pressure pipeline, a static pressure pipeline, a liquid container, a pressure sensor, a base, a processor and a camera. According to the invention, the change condition of the flow field can be qualitatively monitored in real time while the flow velocity is measured, the structure is simple, the test site is almost not limited, the test cost is relatively low, and the device can be used as an important detection tool in the low precision requirement, the large simulation difficulty or the early-stage research and exploration stage. The device is especially suitable for flow velocity measurement and flow field monitoring of working areas of special working places with strict requirements on metal splashing liquid and smoke dust, such as laser cutting, laser sintering, laser welding and the like.

Description

technical field [0001] The invention relates to the field of flow field detection and testing, in particular to a detection device for flow velocity measurement and flow field monitoring. Background technique [0002] In recent years, as laser products have become more mature and stable, processing methods such as laser cutting, laser sintering, and laser welding have been widely studied and applied. However, as an advanced manufacturing method with high energy density, low heat input, and high flexibility, laser processing can melt metals in a very short time and form tiny molten pools. However, due to the high energy density of the laser beam, the low surface tension and surface viscosity of the molten metal, the material evaporates strongly, causing violent fluctuations in the molten pool and laser deep melting holes, resulting in a large amount of metal splashes and smoke. A large amount of metal spatter and smoke in the processing area will have a certain impact on the...

Claims

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Application Information

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IPC IPC(8): G01P1/00
CPCG01P1/00
Inventor 丘廉芳孙靖王旭琴张勇陈威张春杰
Owner SHANGHAI AEROSPACE EQUIP MFG GENERAL FACTORY
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