Movable Bridge Sensor System for Wind-Temperature Monitoring
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Solution Overview
Problem
Existing systems fail to automatically monitor the correlated wind and temperature field of bridges effectively, particularly due to the inability to adjust sensor locations in real-time, which hinders accurate measurement of wind speed at the boundary layer and understanding of the interaction between wind and temperature fields.
Innovation Solution
A movable system comprising a bridge monitoring subsystem, cloud server, and client that includes a bridge surface-specific meteorological parameter monitoring module and bridge structure-specific temperature monitoring module, allowing for real-time adjustment of sensor locations and data analysis to generate wind profiles and temperature distributions, enabling visualization and storage of environmental data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If measurement equipment is fixed on the bridge surface or test tower, then the system structure is simple and stable, but the location of sensors cannot be adjusted in real-time to track the changing boundary layer height
Solution Approach 1:
The patent implements a movable platform that can dynamically adjust its position along the bridge surface, and a telescopic mast that can extend or retract to change sensor height. This dynamic structure allows the measurement system to track the changing boundary layer height in real-time, resolving the contradiction between adaptability and structural simplicity.
2Measurement precision
If the boundary layer height changes with environmental parameters and spatial location, then the measurement coverage is comprehensive, but it becomes difficult to measure wind speed at the correct boundary layer height
Solution Approach 1:
The system uses environmental sensors to detect changes in temperature, wind speed, and other parameters that affect boundary layer height. This feedback information is used to automatically adjust the sensor position via the movable platform and telescopic mast, ensuring continuous accurate measurement at the boundary layer interface despite changing conditions.
Solution Approach 2:
The system pre-calculates the expected boundary layer height based on environmental parameters and spatial location, then proactively positions the measurement sensors to match this predicted height before actual measurements are taken, improving measurement precision and ease of operation.
3Area of stationary object
If multiple monitoring modules are deployed to cover different locations, then the measurement coverage is improved, but the system complexity and data processing burden increase
Solution Approach 1:
The patent employs a universal movable platform that can be positioned at multiple locations along the bridge surface. A single set of measurement equipment with multi-functional capabilities replaces multiple fixed monitoring modules, reducing system complexity while maintaining comprehensive coverage through the platform's ability to move and adapt to different measurement points.
Data Source
AI summary
A movable system for automatically monitoring the correlated wind and temperature filed of a bridge, including a bridge monitoring subsystem, a cloud server, and a client. The system monitors the meteorological parameters of a bridge surface and a temperature of a bridge structure, performs data analysis and processing on a cloud server, and performs visual data interaction by using a client. A bridge surface-specific meteorological parameter monitoring module is movable, such that the location of the sensor for meteorological data monitoring can be adjusted at any time to monitor an entire bridge deck in a time-sharing manner. A lower cantilever structure has an adjustable height, such that the sensor for meteorological data monitoring can track a height of a boundary layer of the bridge surface. A bridge structure-specific temperature monitoring module adopts distributed patch-type temperature sensors, which can detect the temperature of the bridge structure in all directions.