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Wireless monitoring system for long-span structures

A monitoring system and a large-span technology, applied in the field of monitoring systems, can solve the problems of inflexible networking and complex structure, and achieve the effect of realizing transmission relay, flexible networking, and reducing mutual influence.

Inactive Publication Date: 2011-12-07
青建集团股份公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its structure is relatively complex and its networking is inflexible

Method used

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  • Wireless monitoring system for long-span structures
  • Wireless monitoring system for long-span structures

Examples

Experimental program
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Embodiment Construction

[0016] The system of the present invention includes an acquisition module, a transmission module and a data processing module, and the acquisition module and the data processing module communicate wirelessly through the transmission module.

[0017] The acquisition module uses a vibrating wire digital strain gauge. The transmission module communicates in GPRS mode, and the transmission module also includes an A / D converter, and the A / D converter is respectively connected with the wireless receiving module and the wireless transmitting module. The data processing module is a PC.

[0018] In actual use, the upper chords, diagonal members and lower chords at both ends and in the middle of each main truss are selected as test objects, and vibrating wire digital strain gauges are set at the corresponding positions. The plane distribution of measuring points on the steel structure basically covers the overall steel structure.

[0019] Due to the large number of test points, it tak...

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Abstract

The invention relates to a monitoring system, in particular to a wireless monitoring system for large-span building structures. The large-span structure wireless monitoring system of the present invention includes an acquisition module, a transmission module, and a data processing module, and the acquisition module and the data processing module communicate wirelessly through the transmission module. The beneficial effect of the present invention is: in terms of function, it can realize zero line arrangement in the true sense, and can work all-weather for a long time. According to the response characteristics of steel structure buildings, various physical parameters can be monitored. According to the characteristics of large span and wide distribution of steel structure buildings, the transmission relay and flexible networking of sensor monitoring points are realized.

Description

technical field [0001] The invention relates to a monitoring system, in particular to a wireless monitoring system for large-span building structures. Background technique [0002] During the hoisting construction of the steel structure, the assembly and welding of the main frame are carried out on the temporary support tower. After the whole is closed, the temporary support tower is removed (this process is called unloading). Due to the heavy weight of the steel structure on the roof, and the unloading of the structure as a whole is required to be unloaded synchronously in stages, the proportion control is strictly carried out. Therefore, there are many unloading control points, and the single-point unloading tonnage is large, so unloading is very difficult. This requires effective monitoring of the stress of the key components of the steel structure during the entire unloading process to ensure safety during the unloading process. [0003] Due to the wide coverage of the...

Claims

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Application Information

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IPC IPC(8): G08C17/02G01L1/00
Inventor 张纪刚张同波王胜
Owner 青建集团股份公司
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