Health monitoring system suitable for large space truss

A health monitoring system and space technology, applied in the direction of measuring force, measuring device, and force measurement by measuring the frequency change of stressed vibrating elements, can solve the problems of slow response, increased project operation and maintenance costs, and low efficiency

Pending Publication Date: 2022-05-24
CHINA RAILWAY CONSTR GRP (HANGZHOU) CONSTR CO LTD +1
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Problems solved by technology

In the past, the monitoring of long-span structures usually used manual monitoring and on-site inspection methods. Due to the shortcomings of low efficiency, slow response, and difficult location of dangerous areas in the process of structural working status monitoring, and the investment of a large number of monitoring personnel, it is also Will greatly increase the operation and maintenance cost of the project

Method used

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  • Health monitoring system suitable for large space truss
  • Health monitoring system suitable for large space truss
  • Health monitoring system suitable for large space truss

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Experimental program
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Effect test

Embodiment

[0024] A kind of health monitoring system suitable for large space grids, including data acquisition module, data processing module, data presentation module.

[0025] The data acquisition module is a sensor system, including several sensors to monitor the structure of the large space grid, and the monitored data is sent to the data processing module.

[0026] The data processing module, which first uses the exhaustive method according to the finite element, analyzes various working conditions and determines the equipment layout scheme under various characteristic loads (wind, rain, earthquake, etc.). Then there are calculation results, plot the response envelope of each monitoring point, determine its limit response value, and formulate alarm rules according to the three levels of 80%, 50%, and 30% (first-level alarm, second-level early warning, third-level early warning). Every time the data is collected at the collection end, it is compared with the alarm system value, and the ...

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Abstract

The invention discloses a health monitoring system suitable for a large space truss. The health monitoring system comprises a data acquisition module, a data processing module and a data presentation module. The data acquisition module comprises a plurality of sensors for monitoring the large space truss structure, and monitored data are sent to the data processing module; and the data processing module processes and analyzes the data and then sends the data to the data presentation module for data presentation.

Description

Technical field [0001] The present invention relates to the field of building technology, specifically to a health monitoring system suitable for large space grids. Background [0002] Over the years, with the rapid development of China's national economy, the new building system and structural requirements have gradually increased, especially China's large investment in large public facilities such as high-speed railways and military and civilian airports, and large-span structures with the advantages of good integrity, strong stability, large spatial stiffness and ease of construction have flourished. However, due to the large span of large public facilities and higher safety requirements, monitoring during their construction and use is particularly important. In the past, the monitoring of large-span structures usually adopts manual monitoring and on-site inspection methods, because the method has shortcomings such as low efficiency, slow response and difficult to locate dange...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/10
CPCG01L1/10G01L1/106
Inventor 韩锋李晓阁陈静任松波李海龙刘鹏
Owner CHINA RAILWAY CONSTR GRP (HANGZHOU) CONSTR CO LTD
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