Infrared Thermometer Used in Railway Industry
The widespread use of electric locomotives has also led to an increasing number of equipment in the railway system. Therefore, how to effectively detect electrical or mechanical equipment has become an important issue at present.
Now infrared thermal imagers can complete these tasks and perform status maintenance in a short period of time without stopping the machine. Replacing regular cleaning and fastening work in traditional maintenance with Ti infrared thermal imaging can save costs by 50% -90% and effectively prevent fires from occurring. Both new and old devices can benefit from infrared thermal imaging inspections. All electrical equipment and distribution systems, including high-voltage contactors, fuse panels, main power circuit breaker panels, contactors, as well as all distribution lines, motors, transformers, etc., should undergo infrared thermal imaging inspection to ensure that there are no latent thermal hazards in all operating electrical equipment, effectively preventing fires and unexpected shutdowns.
Here are some facilities that require infrared thermal imaging inspection.
1. Various electrical devices: Loose or poorly connected joints, unbalanced loads, overloads, overheating and other hidden dangers can be found. The potential impacts that these hazards may cause are arcing, short circuits, burning, and fires. Their average repair cost is 10000 to 50000 yuan; The replacement cost is 80000 to 100000 yuan, and the construction period is several weeks to several months.
2. Transformer: Potential hazards include loose joints, overheating of bushings, contact with tap changers, overload, unbalanced three-phase loads, and blocked cooling pipes. Its impact is the generation of electric arcs, short circuits, burning, and fires. The cost of rewinding is tens of thousands of yuan, which can be replaced with hundreds of thousands of yuan, and the construction period is several weeks or months.
3. Electric motors and generators: Potential hazards include high bearing temperatures, unbalanced loads, winding short circuits or open circuits, overheating of carbon brushes, slip rings, and collector rings, overloading and overheating, and blockage of cooling pipelines. The impact is that faulty bearings can cause damage to the iron core or winding coil, while faulty carbon brushes can damage the slip ring and collector ring, thereby damaging the winding coil. It may also cause damage to the driving target. The rewinding of the motor coil (5000 horsepower) requires tens of thousands of yuan, and replacement requires hundreds of thousands of yuan, with a construction period of several weeks to several months.
4. Various transmission equipment, such as gearboxes, traction machinery, etc.
For all devices that can be directly seen, infrared thermal imagers can identify thermal hazards at all connection points. For those parts that cannot be directly seen due to shielding, their thermal hazards can be discovered based on the heat conduction to external components. Comparison: In traditional methods, there is no other way to perform operational testing on circuit breakers, conductors, busbars, and other components except for disassembly inspection and cleaning of joints.
