Streetlight vulnerable to damage by lightning history is expected to be rewritten. After more than half a year trial of 100 street lamps, the "Lightning-proof Street Lamp Junction Box" developed by Shanghai Street Lamp Management Center has been proved to have significant protection effect. On December 10, "Lightning-proof Street Light Junction Box" was granted the patent right by the State Intellectual Property Office and was awarded the "Utility Model Patent Certificate." It is reported that this is the first in the field of professional street lamps, with a certain promotional value.
Installed in open areas and elevated roads, bridges on the road because most of the lights above the surrounding buildings, often in lightning weather when subjected to indirect or direct lightning attacks. The super-current generated by lightning will not only damage a single street lamp, but also lead to other street lights along the road through the connected wires. As the gradually becoming the mainstream of LED street lamp electronic drive resistance to overcurrent generally weak, so the weather will cause some of the street lighting "collective blindness."
The "lightning-proof street lamp junction box" is the essential junction box installed in each base lamp lightning protection module, the module can be in the event of lightning over-current rapid release of strong current, to protect the normal operation of street lamps. It is worth mentioning that, this lightning protection module has instructions after the action, the general can be used repeatedly. In May 2014, the street lighting management center in Shanghai in Shanghai Jiading District often vulnerable to lightning strikes in recent years with 100 pieces of electronic ballast lamps installed lightning protection junction box, thunderstorm season this year, the lights A damaged due to lightning.
"After being damaged by the lightning circuit lamp before, we can only change the lamp or damaged ballast, not counting the labor cost, the cost of a lamp is as high as 2,000 yuan. Nowadays, the cost of installing this type is about 300 yuan According to Xie Junyan, a senior technician of Shanghai Street Light Management Center, this junction box is easy to operate and maintain because of its easy operation and maintenance. Some LED lamps and lanterns with lightning protection function on the market bring their own problems of difficulty in resetting protection and relieving the pressure of daily transportation. Moreover, this type of lightning-proof junction box can effectively alleviate the surge surge, to achieve a wide range of street lamp protection.
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