Reserch On Lighting Protection And Grounding Engineering Of Modern Intelligent Building

With the continuous progress of science and technology, the continuous growth of the population, the high-rise office buildings and residential are more and more. As a new type of high-rise building is more intelligent than the traditional building, so the new intelligent building has a large number of high precision electronic equipment. On the other hand, the signal circuit is increasing, which makes the intelligent building system more vulnerable to the invasion of lightning wave. Once the lightning wave intrusion system will affect the normal operation of electronic equipment,electrical equipment and will endanger the safety of life.Therefore, intelligent building lightning protection is particularly important.Lightning hazards are mainly caused by direct lightning electric effect, thermal effect and mechanical effect on the building of harm, the lightning generated electromagnetic induction and electrostatic induction and other harm to weak current equipment, lightning wave invasion harm. In view of the above several kinds of lightning to the building damage form, we take the external lightning protection and the internal lightning protection to the comprehensive lightning protection measure to design the intelligent building lightning protection system. Once the lightning wave intrusion system will affect the normal operation of electronic equipment, electrical equipment, and will endanger the safety of life.At the beginning of the article is introduces the process of project in Qinzhou. According to the requirement of the building to the lightning protection, the design scheme of the grounding device is determined.In order to determine the design scheme of down-conductor system, thermal effect and mechanical effect principle of lightning generated in the formula to calculate the effect of down-conductor system. In order to prevent the influence of electromagnetic pulse wave on the electronic equipment, signal line and power supply line in buildings, the method of shielding, bonding conductor, earth-termination system and SPD protection power system and signal system are used to verify the correctness of the scheme.