At present, the mobile phone signal is almost everywhere, and all electrical equipment is surrounded by it. When the mobile phone is not in use, the interference of the surrounding signal to other electrical equipment is minimal. This is because there is no data exchange between the mobile phone and the base station when the mobile phone is not in use, and it is impossible to form a mutation signal. The electrical equipment is surrounded by a relatively stable electromagnetic field, that is, a static electromagnetic field. The interference of this static electromagnetic field to the electrical equipment is almost zero. When using a mobile phone, there is data exchange between the mobile phone and the base station, and random mutation signals are generated so that a dynamic electromagnetic field is formed around the electrical equipment. This dynamic electromagnetic field signal will induce mutation interference signals. cause malfunction of electrical equipment. When the cell phone battery starts, when the ringer rings, it can generate enough energy to cause a slight spark that can cause a fire.
The relevant departments of petroleum, chemical industry, etc. have expressly stipulated that the use of mobile phones in gas stations is prohibited. It has been a long time since the introduction, but the current implementation is not ideal. The equipment of the gas station is controlled by the computer. The signal of the mobile phone will affect the normal operation of the equipment, which will lead to inaccurate measurements. More importantly, the mobile phone will spark during the dialing process, which can easily cause a fire and cause the gas station to explode. Therefore, the gas station that belongs to the fire prevention area is not only strictly prohibited to use mobile phones in the station, but also within two or three meters of the gas station, and do not use mobile phones. At the same time, gas stations should set up obvious signs prohibiting the dialing of mobile phones, and widely publicize knowledge, so that people understand that mobile phones are undoubtedly walking with tigers in gas stations.
There have been many fires caused by the use of mobile phones across the country. A gas station in Henan caused an explosion caused by the driver's use of a mobile phone while refueling, resulting in a catastrophic accident that killed many people. There are also many fire dangers caused by mobile phones in gas stations in Shenzhen, Chongqing, and other places. The dangers posed by the use of cell phones at gas stations have drawn attention in many ways. Relevant departments in Inner Mongolia, Guangdong, Jiangxi, Sichuan, Chongqing, and other places have recommended that gas stations under their jurisdiction use wifi signal jammers. The electrical signal sent by the wifi jammer is also an electromagnetic signal, and this electromagnetic signal does not have any equipment to communicate with it, so it cannot form a mutation signal. No interference and harmless to the human body. In particular, the explosion-proof wifi blocker can not only block mobile phone signals and prevent the danger caused by mobile phone communication but also prevent itself from becoming a dangerous factor for gas stations.
