Substations are power facilities in the power system that convert voltage, accept and distribute electrical energy. In the operation of substations, more than 95% of the information obtained from the traditional operation inspections comes from visual observation. The "four remotes" currently used in substations can only realize video surveillance in substations, and cannot analyze the operational status of target equipments. This leaves hidden dangers for safe operation of substations.
Fresh Kaiyi, a technical expert at Shenzhen Langchi Xinchuang Technology Co., Ltd., pointed out that an intelligent inspection robot equipped with a FLIR thermal imager can replace manual inspections and effectively supplement long-distance remote viewing, thus ensuring the safe operation of substations.
Shenzhen Langchi Xinchuang Technology Co., Ltd. is a leading provider of intelligent industrial equipment and solutions in China. The Longchi series of smart grid products have passed comprehensive inspections by State Grid Electric Power Institute and third-party testing organizations, and have been successfully applied in large quantities in the Northeast. Grid, Northwest Power Grid, North China Power Grid, Central China Power Grid, East China Power Grid, and China Southern Power Grid.
Install "Hot Eyes" to achieve compatibility
“The core components of the patrol robots in the substation are infrared thermal imaging and visible light cameras. They are mounted on the top of the robot as if they were equipped with a sensitive eye.†Said Xian Kaiyi.
FLIR Systems' thermal imaging cameras record thermal radiation. Since all objects emit thermal radiation, thermal radiation is a function of the temperature of the object. This data can be used to determine the exact temperature of the object in a non-contact manner.
The entire head is connected to the robot control computer via Ethernet. The main controller controls infrared thermal imaging, high-definition cameras and pan-tilt movement through the network. Thermal Imaging Output CVBS Analog Video and HD Camera Digital video is compressed and transmitted to the host computer via a video compression board. The thermal imaging temperature measurement data is transmitted through the Ethernet interface through the video compression board to the main controller, providing the main controller with multiple frames of full-screen temperature measurement data, the highest and lowest temperature information, and also from the main control according to the characteristics of the temperature measurement device. Get emissivity, distance, area information, etc., combined with the robot's precise preset position capability, can effectively ensure the accuracy of temperature measurement and data comparison of multiple temperature measurement data.
"The integration of thermal imaging data and data collected from other sensors is particularly critical." Xian Xianyi stated that "FLIR data can be effectively compatible with robot system software. This is a key factor for success." FLIR Thermal Imager It is installed on the robot, on the track, on the fixed support, and works perfectly with high-definition visual cameras, high-accuracy audio capture devices, WiFi and other devices, and the accuracy of ±2°C or 2% readings ensures the accuracy of each electrical device. + Perform mobile detection and defect diagnosis analysis, discover potential defects in the equipment in time, and issue safe operations for early warning.
Can detect abnormalities Improve reliability
"In the intelligence inspection robot installed FLIR thermal imager, you can monitor abnormal power equipment." Open fresh meaning explained, "In the temperature measuring power substation equipment, the device without abnormal temperature change is a crucial factor."
In the conventional manual inspection, special attention must be paid to the status of various kinds of equipment in the substations, such as main transformers, switches, switches, etc., as well as foreign objects in the station environment. The inspection work has the characteristics of tediousness, repetition, and monotony, and there are personnel capabilities and work. The state depends on the problem of strong patience. To solve these problems, the power smart inspection robot can perform high-frequency, large-scale, exhaustive inspection tasks. With a thermal imaging camera, transformer windings and oil cooling systems, high-voltage circuit breakers, disconnectors, and capacitors can be accurately detected. The heat conditions of the equipment such as busbars, busbars, etc., discovered heat defects and alarms, improving the efficiency of equipment inspections.
In addition to this other than on a smart inspection robot installed FLIR thermal imager, you can also improve system security and reliability. The FLIR thermal imager combines daily inspections, nighttime infrared inspections, key equipment inspections and special inspections. It uses multi-sensor information fusion positioning technology, completes robot motion navigation with electronic maps and path planning, and accurately obtains equipment status and meter information. Improve the accuracy and reliability of video analysis.
When the FLIR A310 thermal imaging camera is installed on the power inspection robot, the robot shuttles between the power equipment through professional software or automatically or artificially. The inspection record will be automatically saved and the analysis report will be generated. Once abnormal temperature or electrical temperature is detected With such issues as closure, the entire system will immediately alert and identify the source of the failure. These automated inspection processes are all difficult for human beings.
Uniqueness of custom products FLIR A310
“ Among FLIR's many outstanding thermal imaging products, the A310 thermal imaging camera can be basically understood as tailor-made for our substation's intelligent inspection robots.†Xian Kaiyi pointed out .
The A310 has many unique features, such as: comprehensive built-in analysis functions, point temperature measurement, area temperature measurement, and various temperature measurement functions; a built-in alarm analysis function for internal temperature or digital input; Ethernet/IP and Modbus TCP compatible, easy to transfer analysis results and alarm results to the PLC; the camera automatically sends analysis results, infrared images, etc. in the form of e-mails periodically, or automatically distributes files in the form of FTP or SMTP clients. E-mail; its image masking function selects only the relevant image part for analysis; digital input/output is suitable for alarm and external device control. The A310 also has the following features: MPEG-4 stream format video output via Ethernet, MPEG-4 Stream format video with 320x240 pixels vividly presented on the PC, up to 30 Hz depending on the system (display analysis layer); communication and power supply dual effects can be achieved with one cable; video output supports PAL or NTSC Composite video output; built-in 25-degree lens with electric and auto-focus features, and other optional lenses; High sensitivity, able to capture the most subtle image details and temperature difference information; remotely control the thermal imager via network and TCP/IP protocols.
“The FLIR thermal imaging camera has brought a number of benefits to the power customer: effectively reducing the workload of the staff, reducing the impact of subjective factors on the inspection results, and providing a higher frequency of inspection; combined with the system software, it can achieve Auto-discovery of problems, automatic report generation, improved inspection efficiency, and higher security for projects .
About thermal imaging
Thermal imaging is the use of an imager consisting of a special sensor to "see" the energy released by an object. Because the wavelength of thermal energy or infrared light is too long to be detected, it cannot be seen by human eyes. What we actually perceive as heat energy is part of the electromagnetic spectrum. Infrared can help us see objects that are invisible to the naked eye. The camera generates an image of invisible infrared or "hot" radiation. Thermal imaging produces clear images based on the temperature difference between different objects. This is a great tool for predictive maintenance, building inspections, R&D, and automation applications. Thermal imaging can see the object under observation in a completely dark environment, at night, through fog, smoke, and from a distance. The technology can also be used in security, maritime, automation, firefighting and many other applications.
About FLIR Systems
FLIR Systems is a world leader in the design and manufacture of thermal imaging cameras for a wide range of applications. The company has more than 50 years of industry experience and has produced thousands of thermal imaging cameras for use in predictive maintenance, construction inspection, R&D, security, maritime, automation and other night vision applications worldwide. FLIR Systems has eight manufacturing facilities located in the United States (Portland, Boston, Santa Barbara and Bozeman), Stockholm, Sweden, Tallinn, Estonia, and Paris, France. Its offices are located in Australia, Belgium, Brazil, China, Dubai, France, Germany, Hong Kong (China), India, Italy, Japan, Korea, the Netherlands, Russia, Spain, the United Kingdom, and the United States. The company has more than 3,000 infrared experts, provides local sales and support functions through an international distributor network, and serves the global market.
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