Guangzhou quality supervision spot check results show: Step di, Jaguar and other 22 batches of electric bicycles unqualified
The market supervision bureau of Guangzhou, Guangdong province, has conducted a spot-check on the quality of electric bicycles sold in the city, covering 67 batches of products produced by 55 companies.After inspection, it was found that 22 batches of electric bicycles produced by 19 enterprises did not meet the standard requirements.According to introducing, this spot is based on the mandatory national standard GB 17761-2018 “electric bicycle safety technical specifications”, including the speed limit, braking performance (dry) speed, vehicle quality, structure, prompt, drench water wading performance, electrical device, charger and battery, fire prevention and fire retardant performance test nine projects.In the sample inspection of the speed limit project, it was found that six batches of electric bicycles with the nominal trademarks of Tati, Jaguar, Jingxian, Kuaima and Pyle did not meet the standard requirements, and the detection rate of single unqualified products was 9%.The unqualified project is due to the failure of the vehicle manufacturer to strictly implement the quality control requirements of the controller and other key components, and the product did not carry out factory inspection.Unqualified vehicles in this project may lose control due to overspeed while riding, resulting in traffic accidents, posing a serious threat to the life and property safety of consumers and road traffic safety.In the sample inspection of the whole vehicle quality project, it was found that the electric bicycle with the nominal trademark of Xingshida did not meet the standard requirements, and the discovery rate of single unqualified product was 1.5%.The project was disqualified because the manufacturer ignored standards and relevant regulations and produced heavy duty models, luxury models and so on.Electric vehicles that weigh more than 55 kg fall under the category of mopeds and are included in motor vehicle management.The unqualified vehicles in this project have more weight than the standard requirements, and the vehicle has large inertia, which leads to greater traffic safety risks.In the structural project sampling inspection, it was found that the two batches of electric bicycles with the nominal trademarks of Pedi and Taixi did not meet the standard requirements, and the discovery rate of single unqualified products was 3%.The unqualified project is the vehicle manufacturers in the production and factory inspection of pedal contact inspection items lax control.The failure of the project may cause the vehicle to turn over when the pedal touches the ground, causing a safety accident.In addition, the fixing device of the wire on the sample car adopts metal clips without insulation lining. The unqualified project may lead to the short circuit caused by the scratching of the wire by metal clips during the operation of the vehicle, resulting in faults and fires.In the sample inspection of the speed prompt sound project, it was found that the six batches of electric bicycles with the nominal trademarks of Xiaopu, Pedi, Jingxian, Kuaima and Taixi did not meet the standard requirements, and the discovery rate of single unqualified products was 9%.The unqualified cause of the project is that the vehicle manufacturers missed to install sound prompt device or sound prompt device failure, reflecting the enterprise in the quality control of accessories problems.The failure of the project may result in other traffic participants not being able to hear the e-bike prompt in time, which may cause traffic accidents.In the sampling inspection of drench and wading performance items, it was found that the three batches of electric bicycles with the nominal trademarks of Jiechang, Jaguar and Xingshida did not meet the standard requirements, and the discovery rate of single unqualified products was 4.5%.The main reasons for this unqualified project are that the wiring connectors of the product are not waterproof adhesive, the motor sealing performance is poor, and water entering the electrical system in the process of drenching or wading causes short circuit or insulation performance decline.The unqualified project may lead to short circuit, electric shock or fire and other accidents, the personal safety of consumers and fire safety.A total of 15 batches of electric bicycles, including kangjing, Jiechang, Tadi, Taixi, Shenkai, Jaguar, Badu, Jingxian, Xiaodie, JUXILAI and Kuaima, were found to be substandard in the electrical equipment project, with a failure rate of 22.4 percent.The main performance is: charging line, discharge line is not installed short circuit protection device;The specification of short circuit protection device is inconsistent with the specification;The specification does not specify protection device, etc.Unqualified vehicles in this project may have short circuit, fire, explosion and other risks during over-charging or over-discharging, which may pose a threat to consumers’ personal safety and fire safety.In the charger and battery project sampling inspection, it was found that the nominal trademarks of Taixiying, Xingshida, Paisi, Jinjian, Jialing and other 6 batches of electric bicycles do not meet the standard requirements, single unqualified product detection rate of 9%.The main reason for the unqualified chargers is that the sales unit replaces the chargers without permission and matches the chargers that do not meet the standard requirements.The unqualified items mentioned above may bring potential electrical safety hazards to vehicles and pose a threat to the personal safety of consumers and community fire safety.In the fire retardant and fire performance project sampling inspection, it was found that the electric bicycle with the nominal trademark of Gudu did not meet the standard requirements, and the discovery rate of single unqualified products was 1.5%.The burning rate of the leather used in the saddle part of this batch of products is greater than 100mm/ min. The unqualified reason is that the flame-retardant leather is not used in this part and the burning rate is too high.The failure of the project may lead to fire and other accidents in the event of rapid fire spread, affecting escape.Consumption reminder electric bicycle consumption 6 attention (1) check the store license and vehicle identification information.See whether the shop has a business license, check whether it has electric bicycle products business scope.Check whether the vehicle certificate information is consistent with the real object, focusing on the appearance, battery, controller, charger and other information.(2) Check the appearance of the vehicle.Advocate see trademark, decal whether intact, paint parts, electroplating parts, plastic parts, aluminum alloy parts of the surface quality rust or flaws.(3) Check the assembly quality of the whole vehicle.Look at the fastening parts of the screw is tight, handlebar, chain, pedal operation is flexible, wheels in riding whether there is a phenomenon of deflection;Check whether the handlebar, fender and other parts are symmetrical;At the same time, the moving parts (such as chain, crank, wheel, etc.) shall not rub with the stationary parts (such as chain cover, fender, etc.).(4) Check the function and operation.Use the support frame to suspend the rear wheel of the electric bicycle, turn the handle to check whether it is stepless and whether there is a brake power failure function, and check whether the motor is running normally, there is no obvious abnormal sound.(5) Before purchase, you need to understand the warranty period and specific warranty content of the electric bicycle, and negotiate with the business and note it on the warranty card, so as to avoid consumer disputes.(6) During the handover, the invoice, certificate of quality, manual, three packs of cards, chargers, etc., shall be collected and properly kept.