Drone mounted · Mega solar inspection device patent acquired SKYSCAN® PRO [SOLAR] Patent acquisition
Patent acquisition with “Optimization of shooting angle and distance” of drone for sunlight!
Patent applications filed in 24 countries including the United States
The world’s first infrared drone solar panel fault detection and exploration system

SKYSCAN® PRO (SkyScan® Pro) is a fault detection and exploration system that allows drone to detect abnormal parts and failures of solar panels from the optimum position in the sky. We will search and analyze 1 MW solar power generation facilities within 2 hours without stopping power generation.

Patent Description
Patent No. 6145166
Invention items: Fault detection and exploration system for photovoltaic panels
Patent acquisition date: May 19, Heisei 20

SKYSCAN® PRO [SOLAR] technical background

  • Improvement of inspection equipment

    Improvement of inspection equipment

    Due to the improvement of conversion efficiency and lowering of production cost, solar panels are now widely spread to ordinary households, at the same time, the demand for maintenance has also increased, and various detection systems such as those based on visual observation and fixed mechanical type development It is done.

  • Structure of solar panel

    Structure of solar panel

    Solar panels consist of a number of electrically interconnected panels and a collection of cells. In the solar panel, there is a phenomenon that the conversion efficiency decreases as the temperature of the module or cell rises, so there is a problem that the conversion efficiency decreases even without failure.
    An abnormality detection system and the like that detects an increase in temperature due to heat generation or the like due to power generation or aging deterioration of a panel or a cell by an infrared thermography camera and the like has been developed.

  • Time and effort in inspection

    Time and effort in inspection

    In the normal fault location method, abnormality is detected by monitoring the power generation status by installing a detector for each string in which panels are connected in series or array in which strings are connected in parallel, It took time and effort to detect which cell in which panel a malfunction occurred.

  • Diffusion of Infrared Thermography Camera

    Diffusion of Infrared Thermography Camera

    An inspector brought a measuring instrument such as an infrared thermography camera to the site and directly photographs a solar panel or an infrared thermography camera or the like is installed at a fixed point and periodically detects the abnormality of the surface temperature For every inspection, attaching a mechanical control detector such as an infrared thermography camera directly to the solar panel, sliding it with a certain interval on the surface by machine control, and detecting abnormality at a certain angle Various systems such as those of the formula are being developed.

  • Panel location and range problems

    Panel location and range problems

    Solar panels of industrially usable size require a certain size or more.
    In addition, due to the use of sunlight, there are many situations where the installation location is wide and it is installed in places that can not be easily inspected.

  • Large cost and time

    Large cost and time

    In the conventional exploration detection method, there was a problem that it was impossible to keep the detection machine such as infrared thermography camera at the optimum angle or constant distance with respect to solar panel at the time of detection and detection. On the other hand, mounting type ones can keep a certain angle and distance from the solar panel, but installation of detectors is necessary, and when large solar power generation facilities become large scale, large amount of equipment installation There was a problem that cost and time were required.

  • In addition, since solar panels are constructed by electrically and continuously connecting a plurality of modules (or cells) of the same shape electrically, when the scale of solar power generation facilities is large, abnormality is detected from detected data Even if it could be found out, there was also a problem that it took time to identify the exact position of the failed panel (or cell) during parts replacement work in the unit of the panel (or cell) later.

Therefore, it is not necessary to dispatch many personnel and there is no need to install a probing device on the solar panel at the site
Furthermore, it is possible to grasp the detected abnormality or failure location instantaneously, precisely and accurately at the time of replacement work
Development of a survey system that detects failure of solar panels was desired.

SKYSCAN® PRO is a solar panel exploration system that was born to solve these problems.

It realizes 5 times more efficiency work than conventional manual work

3 MB infrared thermography inspection per day is possible!

1 MB case Conventional manual work SKYSCAN PRO
2 people 1Week 2hours

※ About 6 hours when using BEGINS
※ It will be the numerical value of our inspection result
※ Working efficiency varies depending on the weather, the environment, the degree of contamination of the panel.

SKY SCAN cost-effectiveness 2 MW (for O & M and business operators)
Increase gross margin when inspecting 10 MW a year twice, totaling 20 MW!

Employee's Reduction of fatigue
Employee’s
Reduction of fatigue
(Improve productivity Increase business turnover rate)
Improve productivity
(Increase business turnover rate)
Improvement of work system (Quality Up)
Improvement of work system
(Quality Up)

SKYSCAN® PRO [SOLAR] Effect / feature

The infrared thermography camera mounted on the drone identifies the abnormal part of the solar panel.

When an abnormality occurs in the solar panel due to deterioration or malfunction, capture the characteristic that abnormal parts on the panel surface and the cell surface take heat, detect the temperature change with the infrared thermography camera, and accurately identify the abnormal part .

Inspection of photovoltaic power generation system with infrared thermography camera

SKYSCAN® PRO has been developed to detect failures of solar panels and cells, but the drones fly over various angles, altitudes, ranges and it is possible to detect heat generation parts Therefore, it is also possible to inspect the entire solar power generation system with infrared thermography camera.


Long-term renewable energy available

Even in solar panels, peripheral parts such as connecting parts and storage batteries, by detecting abnormalities or breakdowns and having heat, discovering and managing and maintaining the solar panels prevents breakdown of the entire photovoltaic power generation system in advance . This makes it possible to use renewable energy safely and efficiently over a long period of time.

By ultrasonic wave, it is possible to do the exploration while measuring the distance and angle with the solar panel and keeping the best exploration state.

The angle of the infrared thermography camera and the HD camera can maintain a certain angle with respect to the solar panel by the dragon’s flight angle control mechanism, the angle adjustment by the angle detection sensor and the ultrasonic wave.

Constant distance with ground station and ultrasound

With the ground stations and ultrasound, it is possible to keep the distance between the drone and the solar panel constant, regardless of the size or the sunlight panel installed in the terrain.


Correspond to various changes, accurate search detection possible

Since the optimum angle and distance at the time of exploration varies depending on the type and installation angle of the target solar panel, equipment to be used, inspection method, weather, etc., in order to obtain an accurate exploration result, for each solar power generation facility It is essential to recognize and adjust the optimum measurement angle and distance according to the situation of
SKYSCAN® PRO can respond to various changes in such objects, maintains the optimum measurement angle and distance automatically, and makes it possible to search and detect accurately.


Significant personnel reduction will be possible

In addition, we have not mobilized a large number of personnel as in the past, without installing a lot of equipment, it was possible to perform precise and accurate exploration detection only by command signals from the ground.

The infrared thermography camera mounted on the drone identifies the abnormal part of the solar panel.

When an abnormality occurs in the solar panel due to deterioration or malfunction, capture the characteristic that abnormal parts on the panel surface and the cell surface take heat, detect the temperature change with the infrared thermography camera, and accurately identify the abnormal part .

Inspection of photovoltaic power generation system with infrared thermography camera

SKYSCAN® PRO has been developed to detect failures of solar panels and cells, but the drones fly over various angles, altitudes, ranges and it is possible to detect heat generation parts Therefore, it is also possible to inspect the entire solar power generation system with infrared thermography camera.


Long-term renewable energy available

Even in solar panels, peripheral parts such as connecting parts and storage batteries, by detecting abnormalities or breakdowns and having heat, discovering and managing and maintaining the solar panels prevents breakdown of the entire photovoltaic power generation system in advance . This makes it possible to use renewable energy safely and efficiently over a long period of time.

Automatically analyze the image data of the solar panel with a portable ground station.

It is possible for the drone in flight to transmit the image data of the solar panel taken by the infrared thermography camera or HD camera to the ground station and receive it on the ground in real time. The received search result and measurement result are displayed on the screen of SKYANALYZER® software which automatically analyzes the image.

The latest image analysis system

SKYANALYZER® software is an image analysis system embedded in the ground station, analyzes the thermography data of the received solar panel (or cell), and judges whether it is abnormal or malfunctioning due to a change in the temperature displayed on the image I will make a judgment on whether or not.


Automatic report of solar panel analysis result

It is possible to automatically report the analysis result of the solar panel.

When drone flying, several safety measures are given.

Drone is equipped with an obstacle detection device consisting of ultrasonic sensors at several places and issues a warning sound when approaching obstacles (including solar panels) by more than a certain distance and corrects the flight position so that drone It is possible to avoid safe flight by avoiding contact with obstacles.

Automatic accident avoidance mechanism to minimize damage

In order to protect the solar panel and drones from the shock of the crash caused by breakdown etc., the emergency parachute operates and develops when it is in a state of non-flying, equipped with automatic accident avoidance mechanism. By doing this, it is possible to protect equipment such as solar panels, drone itself and equipment mounted on it from damage and minimize damage.

When replacing the panel, it is possible to identify the point of failure instantaneously and clearly.

The drone is equipped with a launch device that aims at the relevant part with a laser pointer and shoots color balls for marking in order to specify the position of a defective or broken panel or cell. The color ball launching device mounted on the drone is a mechanism for launching a color ball bullet filled with paint. The color ball bullet is launched and accurately landed on the heat generating portion detected by the infrared thermography camera, marking is performed.

Accurate pinpoint marking

By marking with the laser pointer sounder exactly pinpoint to the heat generation point, the position of the panel where the abnormality is occurring is indicated accurately. Furthermore, by accurately marking with a color ball, it is possible to clearly indicate at which position the trouble is occurring.

It can also be used for deterioration inspection of concrete structures, aerial photographing of construction sites and golf courses, etc.

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