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Today, with the increasingly improved modern transportation network, Bridges, as the “lifeline” connecting the arteries of urban and rural areas, their structural safety has become an important barrier for public safety. Facing the huge volume of over one million in-service Bridges across the country, traditional bridge inspection methods are confronted with dual challenges of efficiency bottlenecks and cost pressures.
The SONY ILX-LR1 full-frame expandable remote control camera, with its 61-megapixel full-frame sensor and lightweight design, has become a new benchmark in the field of intelligent bridge inspection, providing intelligent, efficient and safe solutions for the industry.
The drawbacks of traditional detection
In the traditional bridge inspection methods, there are several significant limitations, which are specifically manifested as:
1. The detection range is not comprehensive
There are blind spots in inspection: Traditional methods such as using ladders or scaffolding for manual visual observation make it difficult to reach hard-to-reach areas like the bottom of Bridges, resulting in an incomplete inspection range and the existence of blind spots in inspection.
It is difficult to detect minor diseases: When using artificial telescopes or high-power telescopes for long-distance observation, due to the long distance, it is not easy to detect minor diseases such as bridge cracks and structural component detachment, and it is also difficult to accurately locate and describe these diseases.
2. Low detection efficiency
Occupying traffic resources: When driving bridge inspection vehicles onto the bridge deck for inspection, several lanes need to be occupied, which affects traffic flow and reduces inspection efficiency.
Manual data collection: Conventional geodetic methods and the like mostly employ conventional surveying equipment such as theodolites, distance meters, levels, and total stations. By collecting data manually, the degree of automation is low, the workload is large, and it is easily affected by climate and other external conditions.
3. Detection accuracy is limited
Limited measurement accuracy: The measurement accuracy of traditional methods may be affected by various factors, such as the accuracy of the measuring equipment and the skill level of the measuring personnel, which may lead to errors in the measurement results.
Data deviation: When using the physical sensor method to observe bridge deformation, due to the significant impact of environmental temperature and humidity on the measured values, the measured values at some measurement points may drift, and the credibility of the obtained data is not high.
4. High cost and poor safety
High inspection costs: Traditional bridge inspection methods require a large amount of human, material and financial resources, including the wages of inspection personnel, the purchase and maintenance costs of equipment, etc., resulting in high inspection costs.
Safety hazard: When using ladders or scaffolding for manual visual observation, inspectors need to work at heights, which poses a safety hazard. Meanwhile, when the bridge inspection vehicle is driven onto the bridge deck for inspection, the safety of the workers is also at risk.
Through technological innovation in intelligent detection and the establishment of a digital inspection system, not only can millimeter-level precise disease identification be achieved, but also the upgrading of preventive maintenance can be promoted, injecting technological impetus into the full life cycle management of Bridges.
The breakthrough of SONY ILX-LR1
1.Break through the bottleneck and improve the detection accuracy
The SONY ILX-LR1 full-frame interchangeable lens camera, when paired with the unmanned aerial vehicle bridge detection system, is particularly suitable for detection in complex environments such as Bridges. This camera is equipped with a 35mm full-frame back-illuminated Exmor R™ CMOS image sensor with approximately 61 million effective pixels, which is capable of capturing extremely rich image details. Even after magnification, the image remains clear, which not only greatly improves the accuracy of bridge inspection, but also effectively identifies tiny cracks (such as those below 0.1mm) and hidden part diseases of the bridge.
2. Enhance efficiency and strive to reduce costs and increase efficiency
Moreover, the amount of information captured by a single photo of the Sony ILX-LR1 Camera is about three times that of traditional cameras. Coupled with the Sony Camera Remote SDK, it allows users to remotely control the menus and other functions of the ILX-LR1 camera through their own software applications. By integrating the API into the system, the camera can be remotely controlled from a computer, allowing for changes to camera Settings, shutter release, live viewfinder, etc. This effectively enhances the efficiency of bridge inspection and reduces the inspection cost.
3. Highly compatible, eliminating security risks
In addition to high resolution, the SONY ILX-LR1 also has many advantages, making it even more outstanding in intelligent bridge detection.
Firstly, its lightweight design (weighing only about 243 grams) and compact size significantly reduce the load on the drone, enabling it to be carried more easily and fly longer distances. This is particularly important for drones that need to fly for long periods or undertake complex shooting tasks.
Secondly, the integrability of the ILX-LR1 is also excellent. It can be connected to the drone remote control through the 6-pin interface to achieve remote control of the camera’s power supply, exposure, focusing, shutter parameters, etc., providing great convenience for system integration.
Furthermore, the ILX-LR1 also supports the electric zoom function. Users can flexibly adjust the composition range of the picture during remote control, further improving the accuracy and efficiency of detection.
4. Comprehensive detection range
The SONY ILX-LR1, with its 61-megapixel full-frame sensor, can capture high-definition images of the entire area of the bridge, even presenting a fine crack of 0.1mm clearly.
By combining the drone with SONY’s over 70 E-mount lenses, it not only does not occupy traffic resources but also enables all-round inspection of Bridges from any Angle, making it particularly suitable for bridge inspection needs (such as close-up cracks, overall scanning, etc.).
At the same time, it also reduces the human and material costs required for manual inspection, further alleviating the cost pressure in the field of bridge inspection.
Summary
To sum up, SONY ILX-LR1 has set a new benchmark in the field of intelligent bridge detection with its high-precision imaging and many technical advantages. Its emergence not only enhances the efficiency and quality of bridge inspection, but also provides a strong guarantee for the safe operation of transportation infrastructure.