Winter
dong zhi
To
In the middle of November, the twilight of the year is deep, the daylight is short, the shadow of the sun is long, and the breath of the end is hidden. At 11:27 today, we ushered in the winter solstice solar term.
The winter solstice is the twenty-second of the 24 solar terms and the fourth solar term of winter. "Tongwei Filial Piety Aid God Deed" wrote: "Fifteen days after heavy snowfall, fighting fingers, for the winter solstice." After the winter solstice, the daylight grows longer and warmer, and spring gradually comes. ”
The winter solstice is as big as the year, and the world is a small reunion", the winter solstice is a time of reunion, and the world is full of the atmosphere of reunion. The day is the shortest, the longest, every household, brewing the winter solstice brewing, eating the winter solstice group, eating the winter solstice dumplings, sitting around and drinking soup, wishing the new winter and welcoming health together.
On the day of the winter solstice, the direct point of the sun goes south to the Tropic of Capricorn, and then returns to the north, which is the beginning of a year of yang energy for the northern hemisphere and the beginning of a year of yin for the southern hemisphereThe direct point of the sun gradually moved northward, the yang energy in the northern hemisphere gradually increased, the length of the days increased, and the nights became relatively shorter and shorter. But the next Xiaohan and Dahan solar terms are even colder. This is the result of a mixture of warm and cold air currents. From a national perspective, most areas have entered winter, and only a small number of areas in the south are still in the northern autumn temperature. Frequent snowfall has occurred in the northern region, and the climate is wet and coldThe southern region also receives frequent rainfall, and the climate is cool and humid.
The Book of the Later Han Dynasty records: "Before and after the winter solstice, the gentleman is in peace, and the hundred officials are desperate. At this time, the climate is cold, the yang qi is weak, it is advisable to keep warm, eat warm food, eat more cold things, it is the season to maintain the body and mind.
Winter
To
Red
outside
As the cold air moves south, the precipice cooling across the country, the temperature plummets, and the cold wind is cold, which also ushers in the peak of electricity consumption in the winter of 2023. Most areas in southern China have no heating in winter, and high-power heating equipment needs to be turned on indoors for a long time, resulting in power overload from time to time. If such overloads are not dealt with quickly, they can cause power lines to heat up or even cause fires.
Infrared thermal imaging equipment because of its non-contact temperature measurement, fast response speed, temperature data can be analyzed, etc., has become one of the important tools for circuit detection and maintenance, infrared thermal imaging diagnosis has therefore become an important technology in the diagnosis of power thermal faults, the use of infrared thermal imaging camera can accurately understand the state of power equipment, with the characteristics of small detection error, wide diagnostic range, automatic tracking of the highest point of temperature, etc., and can provide a clear map like work and technical personnel. Only through real-time monitoring and timely maintenance can the faults and hidden dangers be solved in the embryonic stage, so that the power system is always in a good operating state, in order to ensure safety and stability.
In addition, the power intelligent inspection robot equipped with infrared temperature measurement and visible light cameras and other detection equipment can replace the inspection personnel to carry out daily inspections of the equipment in the traction substation and emergency inspections in emergencies in the severe winter season, effectively improving the quality of inspection of power stations at various locations. The intelligent inspection robot is not affected by the application site, weather changes, etc., and has a trackless positioning and navigation function, even in extreme environments such as road snow, rain, dark environment at night, and thunderstorms, it can still carry out normal inspections, and timely feedback the work information of each equipment point to provide guarantee for the safe operation of power supply equipment.