easily triggered lightning burglary
May 9, Qingdao Municipal Bureau of Meteorology lightning two residential areas of urban centers to conduct mine investigation found a number of problems: the highest in the roof of the into the \"culprit\", most likely \"triggered lightning burglary\"; mine facilities, severe corrosion, lightning protection roof Luandaluanjian destruction facilities and other issues will be more. Reporters learned that the residential area is now almost no initiative to apply for mine detection.
Significantly higher than the height of the solar water heater with lightning, thunder and lightning will hit the solar water heater along its route into the interior.
Castle is about to usher in the thunderstorm-prone season, As a precaution, May 9, Qingdao Municipal Bureau of Meteorology lightning two residential areas of urban centers to conduct mine investigation found a number of problems: the roof of the highest Solar water heaters as the \"culprit\", most likely \"triggered lightning burglary\"; mine facilities, severe corrosion, lightning damage to the roof Luandaluanjian facilities more problems. Reporters learned that the residential area is now almost no initiative to apply for mine detection.
Error install solar water heaters as the \"culprit\"
May 9 morning, a reporter with the Bureau of Meteorology Chief Tan Qingling lightning detection center and two staff members, community residents came together for mine detection.
In Jinhu a district, a residential building inspectors boarded the seventh floor roof. Reporters found that a lot of platforms installed solar water heaters, and some residents in order to maximize the absorption of heat, the water heater installed on the roof top area. Although surrounded by several lightning protection zone, but significantly higher than the lightning with a high degree of water heaters. One looked out from the ceiling, near the balcony on both the situation, especially the steeple of the gallery, sat the steeple above the water heater, the highest point in the whole building.
\"In most cases, the lightning will the highest point on the ground as the discharge point now where most of the lightning hazard area is a mistake to install solar water heaters, resulting in lightning protection zone has not achieve the effect of lightning, thunder and lightning hit the solar water heater along the line will enter the room, you need additional lightning rod above the water heater. \"Tan Qingling Chief introduction.
Lightning protection severe corrosion in need of replacement
Jinhu a district\\ s residents in the roof, pointing to a resident inspector makeshift board room, said: \"This illegal construction significantly higher than the lightning protection zone, which itself has not added lightning protection, easily struck by lightning, which kinds of temporary board room easy to use conductive plate, inside the insulation layer and easy to fire, being struck by lightning will fire once, causing danger. \"
Tan Qingling said that in their normal testing, many residents of illegal buildings built in the roof, but few people think about with lightning protection, and some stamped when the destruction of the original facility, completely put themselves Under the risk, it is easy to \"lead mine upper body.\"
Springs Road, a district in Chicago, the inspectors found on the wall in the downstairs reserved for developers when building mine detection box. Have a lot of cement paste test case has been dead, exposed to several test cases have been severe corrosion, difficult to open. Inspectors strenuous forced open a test box, the inside of the lightning protection have been rusty.
\"Lightning protection equipment, many are exposed, through wind and rain easy corrosion, impact lightning effects, so every year for anti-rust treatment, once the rust serious, he would quickly be replaced.\" Tan Qingling said.
One should be charged, the district refused to test
Facilities need to check mine once a year, but over 90% of residential property refuse
May 9, two cell detection, have been there 10 years Fangling the district, but this is the first time mine detection, some residents have never heard of lightning detection.
Tan Qingling said they had to inform some of the district where the property for mine detection, can be heard, should be charged, said study to study, then no letter. In the calendar year of investigation, there are over 90% of residential property \"refused\" to accept mine detection.
According to reports, the mine facilities required annual inspection once a year, depending on the cost of building a test body of the case may be, a single building just a few hundred dollars to the body. \"A lot of people always feel that they are distant lightning across, things just have to encounter more serious,\" Tan Qingling said.
? test site
A glance at instrument building body is mine
Springs Road Yijuminlou in Chicago before, the staff come up with a bunch of long wires, wire head with a nail, to the soil in a plug, wire and instrumentation connected. Another staff member pull the other one wire inside the lightning detection and lightning set the connection, operation detector staff pressed the button on the meter, the meter shows \"1.2 ohm\" words. According to Tan Qingling introduction, the residential buildings of lightning device as long as no more than 4 ohms resistance even if qualified.
Tan Qingling told reporters that a building need to install any kind of lightning device, not only according to the floor level of the calculation, but also consider the nature and importance of the use of the building.
According to regulations, the agency must have a lightning detection device to detect lightning qualification, Qingdao Municipal Bureau of Meteorology is currently only center with a mine. For detection unit or residential property can call 82795014 contact. Installation of lightning protection facilities, agencies need to have lightning protection design, installation qualification, Qingdao City, there are many related businesses, the public can call the city center of Tel 82799047 Lightning inquiries, or log in Qingdao Meteorological Bureau