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Special-shaped cavity sampling structure

A special-shaped cavity and chamber technology, applied in sampling devices and other directions, can solve problems such as blockage and lumen stenosis

Active Publication Date: 2020-03-27
XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This application provides a special-shaped chamber sampling structure, which can solve the problem of narrowing and blockage of the signal measurement channel due to the deposition of dust and debris under the existing conditions and relying on the existing technical means.

Method used

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  • Special-shaped cavity sampling structure

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Embodiment Construction

[0021] The invention belongs to the measurement and testing category in the field of industrial measurement, is a measurement and testing technology, relates to a special-shaped chamber sampling structure and its use method, and relates to the measurement of real-time pressure, temperature and other physical quantity parameters under complex working conditions and environmental conditions. The content includes the sampling structure and usage method of special-shaped chambers. It is characterized by the use of new structural design methods to solve the problem of narrowing and blockage of the measurement channel due to dust and debris deposition under complex working conditions and environmental conditions, which in turn leads to physical parameters of the medium working condition. The problem that it is difficult to measure accurately, the invention fills up the deficiencies in the prior art.

[0022] The present invention is a collection of technical means for the purpose of ...

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Abstract

The invention provides a special-shaped cavity sampling structure. The special-shaped cavity sampling structure comprises a sampling probe group 1, a supporting rod cavity group 2 and a flange plate 3, wherein the sampling probe group 1 comprises a sampling cavity tube 4 and a multi-earring cavity group 5, the support rod cavity group 2 comprises a hollow support rod 9, a sampling signal stable balance ring cavity 10 and a double-trapezoid ring cavity 11, the sampling pipe cavity 4 is a hollow steel pipe, one end of the sampling pipe cavity 4 is used for sampling, and the other end of the sampling pipe cavity 4 is connected with the multi-earring cavity group 5; the multi-earring cavity group 5 comprises at least two annular cavities 6 which are communicated with each other, a sampling hole 7 is formed in the annular cavity 6 communicated with the sampling tube cavity 4, and a sampling hole 8 is formed in the support rod cavity group 2 communicated with the annular cavity 6; and at least two sampling signal stable balance ring cavities 10 are formed in the hollow supporting rod 9, a double-trapezoid-shaped ring cavity 11 is formed in the bottom end of the hollow supporting rod 9, and the flange plate 3 is of a disc cake-shaped structure.

Description

technical field [0001] The invention belongs to the category of metering and testing in the field of industrial measuring, and in particular relates to a special-shaped chamber sampling structure. Background technique [0002] For the problem that the measurement channel is narrowed and blocked due to the deposition of dust and debris under complex working conditions and environmental conditions, which makes it difficult to measure the physical parameters of the medium working condition accurately, there are generally two types of existing methods: the first type, through the pipeline Add anti-purge valve equipment or devices, provide pressure gas source on the periphery, and purge the parameter measurement channel. The second type is to add components or ornaments that can vibrate in the pipe cavity. In the working state, the components or devices are pushed by the flow of the medium to make them vibrate, so that dust and sundries are difficult to deposit. [0003] The dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/10
CPCG01N1/10
Inventor 杨世杰宋一罡闫美佳郑媛月
Owner XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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