In the field of large-scale infrastructure construction and operation, safety monitoring has always been the core link to ensure the stable operation of projects. Traditional monitoring methods often use point sensors, which have pain points such as limited monitoring range, insufficient data coherence, and lagging emergency response, making it difficult to meet the comprehensive safety protection needs of major projects such as bridges, hydropower stations, and ultra long distance pipelines. Nowadays, the cross-border application of safety grating technology has achieved a breakthrough in this field. The global sensing system constructed through grating array sensing network upgrades the traditional "point monitoring" to "line+surface monitoring", laying a solid safety defense line for major infrastructure.
1、 Bridge Health Monitoring: Real time Capture of Structural Safety Hazards
Case: Large scale highway bridge health monitoring upgrade project
-Application link: Bridge main structure, bridge piers, bridge deck load-bearing area
-Traditional pain points: Traditional point sensors can only monitor vibration and strain data at local points, and cannot fully reflect the overall health status of the bridge; In extreme weather (such as strong wind, rainstorm) or abnormal eccentric load of vehicles, it is difficult to quickly capture hidden danger signals, and the emergency response time is long, which is easy to cause structural damage and even collapse risk.
-Solution: Adopt a customized grating array sensing system, deploy high-performance sensing cables throughout the bridge, and construct a high-density global vibration, strain, and temperature sensing network. The system integrates precise sensing technology of safety grating, which can synchronously capture the overall and local responses of the bridge, with a response time of ≤ 20ms. It can accurately identify abnormal situations such as vehicle imbalance and small structural deformation, and analyze data trends through intelligent algorithms to predict potential hazards in advance.
-Implementation effectiveness: Successfully achieved 24/7 uninterrupted monitoring, with an accuracy rate of 99.5% in identifying abnormal situations, and compressed emergency response time to within 8 minutes; We have repeatedly warned in advance of potential hazards such as vehicle overloading and structural stress exceeding limits caused by strong winds, in order to avoid major safety accidents; Monitoring data provides scientific basis for bridge operation and maintenance, reducing operation and maintenance costs by more than 30% and extending the service life of bridges by 5-8 years.
2、 Safety protection of hydropower stations: stable monitoring adapted to extreme environments
Case: Large scale hydropower station generator set and reservoir protection project
-Application links: generator room, reservoir embankment, water pipeline surroundings
-Traditional pain points: The environment in the hydroelectric power plant room is humid, dusty, and has strong electromagnetic interference, which makes ordinary monitoring equipment prone to signal disorder; The reservoir area has a wide range of embankments, but manual inspection efficiency is low, making it difficult to monitor in real time potential hazards such as personnel entering dangerous areas and small leaks in the embankments; The pressure changes in water pipelines are difficult to accurately perceive, which can easily lead to pipeline rupture and leakage accidents.-Solution: Deploy an industrial grade safety grating monitoring system that is resistant to electromagnetic interference, waterproof and dustproof (IP67 protection level), and install protective light curtains around key equipment in the computer room to prevent personnel from entering dangerous areas by mistake; Install a grating sensing array on the dam in the reservoir area, combined with the sensitivity of the grating to changes in the environmental medium, to achieve early warning of dam leakage; Install grating pressure sensing modules along the water pipeline to monitor real-time changes in pipeline pressure. All monitoring data is synchronized in real-time to the central control system, achieving a closed-loop process of "hazard identification signal transmission emergency response".
-Implementation effect: The safety accident rate in the computer room has been reduced to 0, and the stability of equipment operation has been improved by 40%; The accuracy rate of leakage warning for reservoir dams reaches 98%, and hidden dangers are detected and dealt with in advance to avoid dam damage caused by the expansion of leakage; The risk of water pipeline rupture has decreased by 60%, and the annual economic losses have been reduced by more than 200000 yuan, fully meeting the relevant standards for water conservancy engineering safety monitoring.
3、 Core technological advantage: adapting to the special needs of infrastructure
A security grating monitoring system adapted for large-scale infrastructure, achieving stable and reliable global monitoring with three core advantages:
1. Super environmental adaptability: With a protection level of IP65-IP67, it can adapt to extreme environments such as humidity, high temperature, strong electromagnetic interference, and high dust, and work stably in the temperature range of -30 ℃~+70 ℃;
2. Large capacity data transmission: Using low loss transmission technology, a single fiber can integrate over 1 million grating sensors, with a transmission distance of ≥ 100 kilometers and a sensor spacing of ≤ 10 centimeters, achieving high-density full coverage;
3. Intelligent data analysis capability: Built in deep learning algorithms can perform real-time analysis on massive monitoring data, accurately distinguish between normal fluctuations and security risks, reduce false alarm rates, and improve warning accuracy.
At present, this type of safety grating sensing and monitoring system has been applied in multiple major landmark projects, including large bridges, hydropower stations, cross-border natural gas pipelines, airport runways, etc., creating a new paradigm of comprehensive perception of infrastructure and providing strong technical support for the safe operation of major national projects.
safety light curtain
Hall sensor
photoelectric switch
safety light curtain
proximity switch
satety relay

