博文

目前显示的是 十二月, 2021的博文

Happy New Year 2022 !

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  Thank you so much for your continued trust and support in the past year. Sincerely wish you and your families health, peace, joy and happiness through the new year 2022!

Road safety guidance on expressway in the foggy weather. (Smart fog light)

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I mpact   of fog on the safety and smooth flow of expressways: 1. Reduce visibility   b ecause fog scatters light and absorbs light, the transparency of the sight is reduced, and the driver cannot see the situation in front and surrounding   area . It is necessary to judge the distance between vehicles and the variable information boards, signs and markings and other traffic safety facilities. It is difficult to distinguish. In addition, because the intensity  of heavy fog may be not the same on different road section s,   it i s difficult for the drivers to adjust their speed and distance between vehicles in time according to the different visibility of each road section. In this case, traffic accidents are vulnerable   to happen . 2. Reduce the friction coefficient between the vehicle and the road surface. Due to the mixture of fog, and dust, the sticking  coefficient between the tire and the road surface is reduced. Especially in the northern winter, the ice fog will form a thin lay

Smart Pedestrian Crossing

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Rapid development of urban modernization and the increase   number  of motor vehicles, the possibility  of traffic accidents on Pedestrian  crossings is getting higher and higher. In few  years, while the number of car ownership has gradually increased, the number of deaths in traffic accidents has also risen   slowly , and traffic accidents caused by failure to yield in accordance with regulations have gradually ranked first in the cause of fatal accidents. And the shortcomings of normal   Pedestrian  crossing are becoming more and more clear-cut . Normal   Pedestrian  crossings are just striped Pedestrian  crossings printed on the road with white paint to serve as traffic reminders. However, this normal   Pedestrian  crossing does not throw out  light, and only nearby street lights isn ’ t  enough for drivers driving at night. As a reminder, more advanced and smarter Pedestrian  crossings essentially need to   be  appearing. The smart Pedestrian  crossing controls the Pedestrian  cr

Advantage between high flux traffic light and ordinary traffic lights.

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  Following advantages are given below : 1.  Materials : Ordinary traffic light used  epoxy resin as the mounting board but high flux signal light used aluminum-based circuit boards (MCPCB). 2.  Production process : Ordinary traffic signal light produce by manual welding and  wave soldering but high flux signal lights produce by patch welder. 3.  Electronic component :  Due to different welding process electronic components are matched with ordinary traffic light and also general components ,  so that need to be welded by manua l l y and  wave soldering machine but for the high flux traffic light electronics components are SMD components. 4.  Automation : In order  to different production processes, SMD production has higher degree automation and can be use a modernized production line. I n the other hand ordinary  traffic light   structure of components considerable part of works such as intubation, manual works that are why relatively lower degree.   So that man-hours require to