Typical Application Cases of Dual-Spectrum Cooling Heavy-Duty PTZ Cameras in Fire Monitoring of Photovoltaic Power Plants

Case 1: Intelligent Fire Prevention System in a Photovoltaic Power Plant in Zhejiang

Background: In collaboration with Huaruitong Technology, a photovoltaic power station in Zhejiang developed a comprehensive management platform that deploys dual-spectrum thermal imaging PTZ and dome cameras in key areas such as photovoltaic zones and booster stations.

Technical Configuration:

• High-altitude installation of dual-spectrum thermal imaging PTZ cameras covering a 10-kilometer range, with over 48 automatic patrol scans daily.
• High-precision dual-spectrum dome cameras installed near the solar modules for accurate temperature measurement in localized areas.
• Inspection personnel equipped with handheld thermal imaging devices for verification purposes.

Application Results:

• Fire location error controlled within 0.1 degrees, reducing response time from traditional manual inspections of 72 hours to real-time alerts.
• In 2023, successfully warned of two incidents of hotspot failures in the modules, preventing potential economic losses exceeding one million yuan.
• Integrated with GIS systems to provide path planning and fire information for emergency command, enhancing firefighting efficiency.

Case 2: Full Coverage Monitoring at a 50MW Mountainous Photovoltaic Power Plant

Background: This plant is located in a hilly terrain where existing standard definition cameras could not meet fire warning needs, and firefighting proved challenging.

Technical Solution:

• Utilized Huaruitong’s dual-lens infrared thermal imaging dome cameras, mounted on 8-12 meter steel poles for 360° surveillance without blind spots.
• Combined visible light and thermal imaging dual-mode recognition to support automatic tracking of fire points and temperature anomaly alerts.

Implementation Results:

• Addressed fire hazards caused by dense weeds and cables in photovoltaic areas, lowering the false alarm rate to below 3%.
• Monitored photovoltaic modules and transformer stations online 24/7, allowing for early detection of overheating anomalies and reducing equipment aging losses.
• After integration with GIS systems, fire location precision reached 0.1 degrees, providing valuable time for firefighting in remote areas.

Case 3: Upgraded Intelligent Fire Prevention at a Photovoltaic Power Plant in Hebei

Background: Situated in a hot, arid region, this power plant faced high fire risks in summer, and its existing monitoring equipment was inadequate.

Technical Upgrade:

• Deployed Huaruitong’s HRC-P6500 series dual-spectrum PTZ cameras, supporting day and night monitoring over distances of 3-10 kilometers.
• Equipped with an intelligent warning module enabling dual-mode interaction between thermal imaging temperature measurement and visible light smoke and fire detection.

Core Values:

• Ensured reliable operation in adverse weather conditions by penetrating rain, fog, and smoke for accurate imaging in complete darkness.
• Utilized temperature trend analysis to identify aging issues in inverters and combiner boxes ahead of time, optimizing maintenance plans.
• Complied with the “Photovoltaic Power Station Design Specifications,” providing data support for insurance claims.

Case 4: Intelligent Operation and Maintenance Platform for a Large Photovoltaic Power Plant

Background: Spanning over 8,000 acres, the plant faced inefficiencies and blind spots with traditional manual inspections.

Solution:

• Installed seven sets of Huaruitong’s dual-spectrum fire monitoring systems (e.g., HRC-P6500C series), integrating heavy-duty PTZ, long-focus anti-fog lenses, and uncooled infrared detectors.
• Supported 255 preset positions for patrols, achieving high-precision positioning of 0.01 degrees in conjunction with GIS systems.

Application Outcomes:

• Inspection efficiency improved by 30%, reducing fault detection times from 72 hours to real-time responses.
• Maintained stable operation in environments with strong magnetic fields, achieving an MTBF (Mean Time Between Failures) exceeding 25,000 hours.
• Provided full-chain protection for photovoltaic areas, booster stations, and energy storage zones, reducing operation and maintenance costs by over 40%.

Conclusion: Huaruitong’s dual-spectrum cooling heavy-duty PTZ cameras have become the core equipment for fire prevention and control in photovoltaic power plants through a combination of “all-weather monitoring + intelligent recognition + precise positioning.” Their value lies not only in fire warning but also in temperature trend analysis and equipment health management, achieving a dual enhancement of safety and efficiency. In the future, with the deep integration of AI algorithms and 5G technology, these devices are expected to further evolve towards intelligence and automation, ensuring safety in the new energy industry.