Recently, the battery of an electric bicycle
and fire safety continue to be a concern
Around production, sales, registration, riding, charging and stopping
and other whole chain links of the rectification investigation and punishment have been carried out one after another
In particular, the installation and modification of over-standard batteries
Causing a lot of security problems
In the past few days, the Minhang Public Security Bureau, together with the district fire department, the district market supervision and other departments in the main roads in the district, set up 23 checkpoints, mainly for the suspected installation, modification, assembly of electric bicycles to carry out joint investigation, from the production, sales, riding, battery replacement and other links to carry out crackdown.
Many of the cells of electric bicycle batteries are used in echelons, which means that the cells it uses are generally low-grade cells. Because the national standard for lithium batteries for electric bicycles is a recommended standard, some unscrupulous manufacturers have also taken advantage of loopholes and circulated and traded through some underground channels and online. ”
Recently, at the card point at the Shenbin intersection of Tianshan West Road, the Minhang traffic police randomly stopped some fast-moving electric bicycles for routine inspection. Within minutes, a number of e-bikes ridden by couriers and takeaway boys were found to be using battery packs suspected of exceeding the standard, with battery power ranging from 56 volts, 60 volts, and 72 volts.
In the battery box, 5 batteries of unknown brand are connected by wires to form a rated voltage of 60 volts, which obviously exceeds the standard that the nominal voltage of non-motor vehicles shall not exceed 48 volts. Moreover, the packaging of the additional battery pack is very simple, and some even use flammable plastic tape to fix it.
"Batteries like this that exceed the standard are generally made in small workshops. Safety is not guaranteed, and in addition, in the process of charging and discharging, there may be other secondary disasters, which are hidden dangers. Hao Jun, a police officer from the Minhang Traffic Police Chexuan Brigade, said solemnly.
Some express delivery brothers said that in their industry, such battery modifications are almost standard, and the vehicles are also uniformly distributed by the company.
According to the traffic police department, according to the "Safety Technical Specifications for Electric Bicycles", the maximum design speed of electric bicycles shall not exceed 25 kilometers per hour, and the nominal voltage of the battery shall not be higher than 48 volts. And many modified cars can easily reach speeds of seventy or eighty kilometers per hour, which greatly increases the risk for other traffic participants.
Hao Jun, a police officer of the Minhang Traffic Police Vehicle Propaganda Brigade, told reporters: "Generally speaking, after they modify the battery, they will also modify the motor to speed up the entire non-motor vehicle, but when turning and normal driving, it will bring additional traffic risks to other traffic participants, including the cyclists themselves." ”
At the scene, the police issued an illegal notice to the parties in accordance with the "Shanghai Non-motor Vehicle Safety Management Regulations" and the "Shanghai Non-motor Vehicle Management Measures" for the illegal modification of the illegal modification of the seizure.
It is reported that the police will continue to strengthen the inspection of such over-standard vehicles, and the relevant law enforcement departments will also conduct traceability investigations on the car dealerships and enterprises involved according to clues, and strengthen the crackdown on the production and sales links from the source to reduce the flow of such vehicles into the market.
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Rectification丨Luo Jiajun
Editor丨Luo Jiajun
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