UAV-based Daylight EL Testing System
SC-DEL-Drone
Product introduction
Drone Daylight EL Inspection System SC-DEL-Drone
Mainly used for EL internal defect inspection of PV array modules in solar power plants. This system can quickly and efficiently complete quality inspection of photovoltaic power plants, and can switch between photo mode and video mode for third-party operation and maintenance quality inspection. Equipped with full autofocus and switchable multiple detection modes, it is the preferred equipment for power plant inspection and O&M inspection. SC-DEL-Drone adopts the DJI (Matrice 400) drone, with a single flight endurance of up to 55 minutes, providing a stable and reliable high-performance flight platform for third-party industry drone applications. Up to 3 hours of MW-level photovoltaic power plant EL crack inspection, freeing staff from tedious and repetitive low-value labor, greatly improving work efficiency. With drone technology, automated power work processes can be realized, effectively reducing O&M costs, and can replace personnel for high-altitude and high-risk environment operations, making EL inspection safer.
Shichuang Intelligent · Drone Daylight EL Inspection System
Drone Daylight EL Inspection System SC-DEL-Drone is mainly used for EL inspection of photovoltaic power plants and solar panels. It is powerful, portable, and can operate on sunny/cloudy days and day/night, with high work efficiency, safety and reliability. It can detect various defects such as cracks, broken grid, fragments, broken pieces, sintering, cold solder joints, over-etching, low-efficiency cells, mixed grades, etc. The DJI flight platform can be purchased, rented, or provided by the user.
Device image 1
Device image 2Applications
Power plant flight inspection
Incoming module inspection01
Power Plant Module Inspection
Meets the inspection needs of different types of power plants such as centralized and distributed. It can perform comprehensive inspection in complex environments such as deserts, plateaus, roofs, hills, and at different times such as sunny, cloudy, and night, providing accurate basis for power plant maintenance.
02
Incoming Module Inspection
Comprehensive inspection before warehousing of various photovoltaic incoming modules purchased by enterprises, quickly identifying defects such as cracks, broken grid, fragments, etc., and promptly eliminating unqualified products, avoiding subsequent safety hazards or performance non-compliance caused by incoming material quality.
Functions
①
All-weather Module EL Inspection
Can operate at different times such as night, cloudy, and sunny.
②
Multi-type Module Inspection
Includes severely damaged modules that cannot be powered on.
③
Multi-scenario Power Plant Module Inspection
Mountains, plateaus, roofs, greenhouses, etc.
④
Customizable Software Functions
Meet personalized needs.
⑤
Fully Automatic Defect Detection
Automatic defect recognition.
⑥
Multiple Detection Modes
Can adapt to various panel types.
⑦
Wide Detection Range
Customizable flight endurance, programmable flight path.
Technical Advantages
A
All-weather Inspection, Breaking Time Constraints
Traditional EL can only be performed at night; Daylight EL enables all-weather inspection at night, cloudy, and sunny, allowing flexible scheduling and shortening inspection cycles.
B
Strong Light Adaptability
Effectively resists strong daylight interference, enabling accurate detection of module defects even under direct sunlight on sunny days.
C
Wider Detection Range
Covers severely damaged modules that cannot be powered on, compatible with monocrystalline modules (PREC, TOPCON, BC, N-type, etc.) and polycrystalline modules.
D
Convenient and Efficient Operation
Significantly reduces costs of equipment transportation, deployment, inspection environment setup, and labor, improving economy and efficiency.
E
Safety Assurance
Avoids nighttime operations (in remote areas where wild animals or low temperatures may be encountered), ensuring the safety of inspection personnel.
Technical Specifications
Parameter Specification Model SC-DEL-Drone Detection Module Shichuang Intelligent DEL payload Detection Cycle 1ms~10000ms (1ms at night, 10000ms for polycrystalline under high irradiance during the day,<1000ms for others) Detectable Defect Types Cracks, broken grid, fragments, broken pieces, sintering, cold solder joints, over-etching, low-efficiency cells, mixed grades Control Method Wireless Detection Accuracy Crack width > 50μm Imaging Accuracy > 0.1mm/pixel Focus Mode Full autofocus Detection Time Below 400 irradiance Flight Platform DJI Matrice 400 industrial drone Wireless Transmission Module High-speed wireless transmission module Constant Current 0~15A adjustable, accuracy ±1% Constant Voltage 0~60V adjustable, accuracy ±1% Power 700W Current Stabilization Module Constant current control, current/voltage stable regardless of battery level Power Control 20m wireless/wired remote control Number of Modules Inspected per Charge 800 at night, 100~600 during the day (100 under high irradiance) Current Adjustment Adaptive Power Protection Reverse current, overload, leakage, electrostatic, overheat protection Computer Tablet PC, integrated computer Data Storage 100,000 images Inspection Objects Incoming modules before installation / power plant arrival inspection; installed modules (distributed/centralized power plants); monocrystalline modules (PREC, TOPCON, BC, N-type, etc.); polycrystalline modules Power Plant Environment Desert, plateau, roof, hills, slopes, factory buildings, snow fields, greenhouses, agrivoltaic, fishing-solar, wind-solar hybrid, etc. Device Weight 5kg Operating Temperature -30℃~50℃ Relative Humidity ≤85%RH Application Cases
Scene Description Scene Image Daylight EL/PL Image Centralized power plant, sunny, 26℃, 10:00, altitude 3000 (BC panel, glass surface broken) Scene 1 Daylight EL 1 Centralized power plant, cloudy, 22℃, 15:00, altitude 3000 (TOPCON panel) Scene 2 Daylight EL 2 Centralized power plant roof, direct sunlight, 25℃, 13:00, altitude 3000 (N-type panel, two strings failed, cannot be powered for EL) Scene 3 Daylight PL 3 Distributed power plant rooftop, direct sunlight, 25℃, 13:00, altitude 3000 Scene 4 Daylight EL 4 Distributed power plant rooftop, direct sunlight, 31℃, 17:00, altitude 100 (shooting with sunlight, no power needed) Scene 5 Daylight PL 5 Outdoor incoming inspection, cloudy light rain, 18℃, 15:00, altitude 400 Scene 6 EL 6 Indoor laboratory module inspection, indoor simulated sunlight (irradiance 500), 10℃, 10:00, altitude 50 Scene 7 EL 7 Core Advantages
All-weather inspection: can operate at night, cloudy, and sunny, no need to wait for specific time periods.
Strong light adaptability: accurate detection even under strong daylight.
Wide detection range: suitable for large-scale wide-area solar power plants.
Convenient operation: DEL module is detachable and freely mountable, greatly reducing inspection costs.
Safety assurance: avoids risks of nighttime field operations.
Drone Daylight EL Monitoring System · All-weather Power Plant Inspection
Sunny/Cloudy/Night · Desert/Plateau/Roof · Solar Module Array
Cracks/Broken Grid/Fragments/Cold Solder No Night Work · Safe & Efficient
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