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Bridge load detecting system based on wireless sensor network

A technology of wireless sensor network and detection system, which is applied in the field of bridge load detection system to achieve the effect of portable power consumption, improved work efficiency and improved safety

Inactive Publication Date: 2013-06-05
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, so far, there has not been a complete and formed bridge load detection equipment realized by wireless sensor network in China.

Method used

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  • Bridge load detecting system based on wireless sensor network
  • Bridge load detecting system based on wireless sensor network
  • Bridge load detecting system based on wireless sensor network

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Experimental program
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Embodiment Construction

[0028] The bridge load detection system based on the wireless sensor network of the present invention is composed of a strain sensor, a displacement sensor, an acceleration sensor, an acquisition amplification filter circuit, an AVR single-chip microcomputer, a radio frequency chip CC2420, a power supply module circuit, a download debugger, and a computer. The bridge load detection system based on the wireless sensor network of the present invention is mainly composed of a sensor data acquisition module, a data processing module, and a data wireless transmission module (with data sending and receiving functions). Each module is independent of each other. The data processing module is connected to the data acquisition module through the ADC (analog-to-digital converter) port. The data wireless transmission module communicates with the data processing module through the SPI bus, and the data transmission module communicates through the serial port. Realize the connection with the...

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Abstract

The invention discloses a bridge load detecting system based on a wireless sensor network. The system comprises seven modules, namely, a strain collecting module, a deflection collecting module, an acceleration collecting module, a data processing module, a wireless transmitting and receiving module, a power supply module for the strain collecting module, and a power supply module for the data processing module and the wireless transmitting and receiving module, and the system has the functions of collecting, processing and wireless-transmitting sensor data, controlling and managing sensor nodes, and upper-computer displaying, analyzing and evaluating the collected data. The system can detect and evaluate the performances of widely-used bridges of all kinds and structures comprehensively and can be used for detecting the construction quality of newly built bridges, evaluating the bearing capacity of existing bridges and verifying the structure design of developing bridges.

Description

technical field [0001] The invention relates to a bridge load detection system, in particular to a bridge load detection system based on a wireless sensor network. Background technique [0002] In the current bridge load detection, the transmission of detection data is completed in a wired way. Because the bridge structure has many characteristics such as complex structure, large span, and harsh geographical environment, this brings many inevitable disadvantages to the bridge load detection: such as heavy wiring workload, easy introduction of interference signals, various lines The cables are not easy to distinguish, not easy to carry and transport, and the cost is higher. [0003] With the rapid development of the transportation industry, the disadvantages of bridge load detection data wired transmission become more acute, and a detection system based on wireless sensor network has gradually come into people's sight. Developed countries such as the United States and Italy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L1/00G01L1/22G01M5/00G01P5/00
Inventor 赵祥模徐志刚史昕邬满王海彬杨澜张楠韩永军张立成
Owner CHANGAN UNIV