Quality appraisal of trolley charging station

Electric vehicles are driven by electricity and have a large-capacity battery pack inside. When the battery is depleted, it needs to be recharged so that it can continue driving. Charging devices for electric vehicles are called charging piles, which are divided into private charging piles and public charging piles. New energy charging stations are places that provide charging services for electric vehicles. They generally have a large number of public charging piles. China is currently the country with the largest number of charging stations in the world. Tens of thousands of charging stations of various types have been built, with a total of nearly 500,000 public charging piles.
In the case of quality appraisal of tram charging stations, Zhongke Testing can provide quality appraisal services for tram charging stations.

GB/T 42236-2022 Centralized charging facilities for electric bicycles
GB/T 29781-2013 General requirements for electric vehicle charging stations
GB/T 7251.7-2015 Low-voltage complete switchgear and control equipment Part 7: Complete sets of equipment for specific applications - such as docks, campsites, market squares, electric vehicle charging stations
NB/T 10901-2021 Technical specifications for on-site inspection of electric vehicle charging equipment
JB/T 14055-2022 Centralized charging controller for electric bicycles
NB/T 10689-2021 Technical specifications for battery charging (replacement) equipment for electric mopeds Part 1: Charging piles
SN/T 5247-2020 Technical requirements for inspection of imported wires and cables New energy electric vehicle charging cables
NB/T 33008.2-2018 Inspection and test specifications for electric vehicle charging equipment Part 2: AC charging piles
NB/T 33002-2018 Technical conditions for AC charging piles for electric vehicles
NB/T 33022-2015 Depth provisions for preliminary design content of electric vehicle charging stations
0NB/T 33005-2013 Technical specifications for monitoring systems for electric vehicle charging stations and battery replacement stations
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Fu set up a parking lot near the station to accommodate parking of motor vehicles, motorcycles, electric vehicles, bicycles and other vehicles, and provided tram charging services. However, one night, a fire broke out at the charging station in the parking lot, causing many cars to be burned down. Whether the cause of the fire was electric vehicles or charging facilities has become the focus of controversy.
was entrusted by the court to conduct an appraisal and analysis on "whether there are quality problems" at the tram charging station involved.
identification and analysis results: The
identification and analysis expert group discussed and conducted a comprehensive quality and technical analysis on the relevant information of the tram charging station involved and the on-site investigation of the fire point, and made the following suggestions and conclusions:
passed the vehicle inspection and found no violations. When
inspected the charging station, he found that the wiring of the charging station in the carport was disordered, and the wiring installation method was rough and did not look like it was from a regular company. Based on the analysis of the extent of burning and traces at the fire scene, it was also determined that this was the source of the fire.
In summary, there are hidden dangers in the wiring installation in this parking lot, which may lead to fires.