Introduction To Industry Scenarios
The core of expressway/bridge is open air+long distance+large span+all-weather. Working conditions: exposure/freezing/thunderstorm, large temperature difference (-30 ℃~60 ℃), strong vibration (vehicle load), subgrade settlement, bridge deflection, mountain/river crossing high humidity, ponding/rainstorm waterlogging, unattended.
Typical measuring points:
Bridges: Bridge deck/pier settlement, box girder deflection, support pressure, bridge drainage level, collision wall water accumulation
Roadbed/Slope: Roadbed settlement, slope seepage level, drainage ditch level, culvert water accumulation
Tunnel: Water accumulation at the entrance and exit of the tunnel, drainage ditch level, fire water tank/pipe network pressure, fan pressure difference
Toll station/service area: Rainwater tank/sewage tank level, fire water tank level, water supply pressure
Flood prevention/drainage: water accumulation under interchanges, low-lying road sections, pump station pressure, river water level
Adapt to Core Products
QDY30A Outdoor Lightning Protection Input Type Liquid Level Transmitter (IP68, Lightning Protection, UV Resistance, -30 ℃ Low Temperature, Bridge/Culvert Specific)
QDY60 roadbed/culvert specific static pressure liquid level transmitter (anti sediment/floating object, long-term underwater, zero stability, large diameter)
QDW90A-3051 Bridge Drainage Special Flange Liquid Level Transmitter (Flat Diaphragm Anti clogging, Anti vibration, Outdoor Waterproof)
QDKG outdoor lightning protection pressure switch/transmitter (IP67, lightning protection, vibration resistance, micro/high pressure, bridge support/fire protection)
GLG lightning protection signal isolator/RS485 (lightning surge protection, stable transmission over long distances of 5-10km, mountainous areas/cross river bridges)
S803/SS803 outdoor lightning protection digital instrument (IP65, UV resistant, low temperature adaptation, solar power supply, wall mounted on bridges/culverts)
Product Function
QDY30A/QDY60 liquid level category (bridge drainage/culvert/overpass water accumulation)
Bridge deck/box girder drainage liquid level: lightning protection/anti vibration IP68， Real time monitoring of water accumulation at the drainage outlet, linkage of drainage pumps/gates, prevention of water freezing and slipping on the bridge surface, and prevention of rainwater infiltration into the box girder and corrosion of steel bars to ensure driving safety.
Water accumulation in interchange/low-lying sections: anti floating debris, long-term immersion, real-time water accumulation monitoring in rainstorm, warning of over warning water level, early warning of water logging, guiding traffic diversion, and avoiding vehicle flameout/accidents.
Culvert/roadbed drainage ditch liquid level: anti sedimentation, low-temperature antifreeze, monitoring drainage smoothness, preventing water accumulation and soft roadbed, preventing slope landslides, and ensuring roadbed stability.
Tunnel entrance and exit water accumulation: lightning protection/high humidity, monitoring tunnel entrance water accumulation, preventing backflow into the tunnel and affecting traffic.
QDKG pressure switch/transmitter (bridge support/fire protection/pipeline network)
Bridge bearing pressure: high-precision, anti vibration, monitoring changes in bearing force, warning of bearing aging/deformation, preventing bridge settlement/collapse, and ensuring structural safety.
Fire protection pipeline network/water tank pressure: outdoor waterproof, long-term stable pressure, monitoring fire protection pressure, explosion-proof pipe/low pressure failure, meeting high-speed fire protection regulations.
Slope seepage pressure: Micro pressure type, lightning protection, monitoring slope seepage pressure, warning landslide risk, and ensuring the safety of roadbed slopes.
GLG lightning protection isolator/RS485 (long-distance/thunderstorm area)
Long distance transmission of mountainous/cross river bridges (5-10km): RS485+lightning protection, signal attenuation free, lightning surge protection, stable upload of bridge/culvert data to the monitoring center.
Strong interference in thunderstorm prone areas: 2500V isolation+lightning protection, uninterrupted thunderstorm weather signals, no false alarms, reliable operation throughout the year.
S803/SS803 Outdoor Digital Display Instrument (Field/Unmanned)
On site display of bridges/culverts: IP65, UV resistant, low temperature stability, intuitive readings for field inspections, no need to enter dangerous areas, safe and convenient.
Water accumulation over limit alarm: relay output, linkage audible and visual alarm, SMS/APP push, rapid early warning in case of rainstorm, reduce manual duty.
Remote communication/data upload: Supports Modbus/wireless, connects to high-speed monitoring platform, flood control scheduling, bridge health monitoring, and data archiving.
Addressing Industry Issues
Rainstorm waterlogging and frequent traffic accidents
Rapid waterlogging at flyovers/low-lying sections, delayed manual inspection, vehicle stalling/rear end collision, traffic paralysis, and large economic losses.
Potential settlement hazards and high structural safety risks of roadbeds/bridges
Long-term vehicle loads+rainwater immersion, softening of roadbeds, aging of bridge supports, risk of settlement/collapse, major safety accidents.
The outdoor environment is harsh and the instruments are prone to damage
Exposure to sunlight/freezing/thunderstorms/vibrations, ordinary instruments may malfunction for 3-6 months, poor lightning protection, winter frost cracking, and difficult maintenance.
Long distance signal instability and susceptibility to lightning strikes
Long high-speed wiring, frequent thunderstorms, signal packet loss/interruption, lightning strikes burning instruments, no data in monitoring centers, and command paralysis.
High cost and low efficiency of manual inspection
Long routes, wide distribution, remote areas, low efficiency of manual inspection/recording, high safety risks, and untimely data.
Direct Customer Benefits
Driving safety and flood prevention benefits (core, ensuring life and smooth flow)
Real time waterlogging warning: rainstorm waterlogging warning shall be 20 minutes in advance, and the traffic jam/accident rate shall be reduced by 80% or more to avoid vehicle loss and casualties.
Roadbed/Bridge Safety Monitoring: Early warning of settlement/landslide hazards, reducing the structural safety accident rate by 100%, and avoiding catastrophic losses of bridge collapse (in the billions of yuan range).
Structural maintenance and lifespan benefits
Smooth drainage: The risk of roadbed/bridge flooding is reduced by ≥ 90%, the structural life is extended by 5-10 years, and the annual maintenance cost is reduced by ≥ 500000 yuan.
High reliability of instruments: outdoor lifespan of 2-3 years, lightning protection and antifreeze, annual maintenance cost reduced by ≥ 70%.
Operations and Cost Benefit Analysis
Unmanned operation: Reduce manual inspection by ≥ 80%, save labor costs of ≥ 250000 yuan per year, and eliminate safety risks in remote sites.
Management and intelligent transportation benefits
Real time and reliable data: 100% coverage and uninterrupted monitoring center data, precise flood control scheduling, and scientific decision-making.
Smart transportation upgrade: connected to high-speed smart platforms, bridge health monitoring, flood control scheduling, intelligent management, in line with national requirements for smart transportation construction.
