Identification of causes of Internet cafe fires

Internet cafes often lead to serious fire accidents due to many reasons such as large power consumption, large amounts of combustible materials, concentrated property, and mixed personnel that are difficult to manage.

Internet cafe fires are mostly caused by power lines or electrical appliances. Internet cafes use large amounts of electricity and have long business hours, so there is a high chance of fire caused by overloaded lines and poor connections. In addition, in order to save costs and reduce investment, Internet cafe owners often purchase low-quality or second-hand computers and start operating them. The quality of computers is difficult to guarantee, and the possibility of fire due to defective components of the computer itself is very high.
In the case of Internet cafe fire cause identification cases, Zhongke Testing can provide Internet cafe fire cause identification services.

1, Internet cafes are generally transformed from commercial stores and residential buildings. The original design load cannot meet the actual power consumption needs. Without modification or incomplete modification, due to large power consumption, long business hours and other reasons, the probability of fire due to overloaded lines and poor contact is very high. In addition, random pulling and connecting of wires, natural and man-made damage, age and other reasons can easily lead to electrical circuit fires.
2. Most fires in Internet cafes are caused by unreasonable wiring layout, aging wire insulation, or overload or short circuit of the wiring. In Internet cafes, there are many high-power electrical equipment such as computers, air conditioners, heaters, and freezers, and the wiring is complicated. In addition, in some Internet cafes, improper selection of equipment or wires, non-standard installation, improper wiring of wires, and lack of regular inspection and maintenance can easily cause aging of electrical appliances and circuits, short circuits, and other faults, leading to electrical fires.
3. Most Internet cafes use a large amount of combustible materials when decorating. Computer components contain a lot of combustible and flammable components such as plastics. When a fire breaks out, these flammable and combustible materials will not only fuel the fire, but also produce a large amount of toxic smoke and harmful gases.
4, human factors are also an important cause of fires in Internet cafes. Internet cafes have a high turnover of personnel and are prone to many uncertain factors, such as smoking, playing with fire, and setting fires, which can easily turn small fires into major disasters.

A fire broke out in an Internet cafe in a county, causing serious losses. Later, the fire department determined that the source of the fire was in the machine room. It was initially determined that it was caused by a short circuit in the generator. According to the person in charge of the Internet cafe, the generator in the computer room was purchased two months ago. During this period, there was a power outage. The generator was activated at that time, but it did not work properly. So we found a supplier for maintenance, and the supplier replaced some parts of the machine, and it worked normally thereafter. On the day of the accident, another power outage occurred in the Internet cafe. During the generator's power generation process, a sudden power outage occurred, and then a fire broke out in the computer room.
was entrusted by the court to conduct identification and analysis of the cause of the fire in the Internet cafe involved in the case.
identification and analysis results: The
identification and analysis expert group discussed and conducted a comprehensive quality and technical analysis on the relevant information and on-site investigation of the Internet cafe generator involved in the case, and made the following suggestions and conclusions: The
generator involved in the case has no product certificate and no relevant technical parameters, and cannot guide users to use it correctly.
The test value of the coil resistance of the generator set involved in the case was lower than the relevant standards; there was no problem of output power overload in the electricity used in the Internet cafe.
In summary, the main cause of the generator fire was that the insulation resistance did not meet relevant regulations. At the same time, it also failed to play an explicit role in technical guidance. Therefore, the cause of the fire accident was problems with the quality of the generator.