从撞击到断电，这辆小米SU7Ultra留给现场救援群众的时间只有九秒。 2025年10月13日，成都天府大道小米SU7Ultra燃爆事故有新进展。近日，该事故责任认定报告复议结果落定，其余系列鉴定报告 结果也已出具。 中国经济网记者致电四川西华交通司法鉴定中心，对方确认对事故车出具了《司法鉴定意见书》，但相关文件保密，只能发给当 事人，网传内容并非鉴定中心公开发布。 根据第一财经获悉的《司法鉴定意见书》内容，关键信息如下：事故车无法从车外打开车门，并非因车门系统结构变形损坏所 致，而是碰撞后低压系统断电致车门外把手电释放功能失效。同时，当事人系车辆起火燃烧导致火烧死亡，而非车辆碰撞直接导 致死亡。 四川西华交通司法鉴定中心 司法鉴定意见书 ONG FORENS 3 2 1 7 社会信用代码: 3451000077793939 9 2 1 1 1 1 1 1 1 r | The Research | Press | Press | Press | President 也就是说，本次事故中，现场群众第一时间救援的最大障碍，就是车辆缺失机械外门把手。因为涉事车辆从撞上分隔带(03时18分 51秒)，到低压系统断电( ...

Core Viewpoint - The safety issue of car door handles has gained public attention following a recent accident involving the 2024 Dongfeng Yipai 007, where the hidden door handles failed to function during a fire emergency, raising concerns about escape risks in collision scenarios [3][4]. Group 1: Incident Overview - A video of the 2024 Dongfeng Yipai 007 accident went viral, showing the vehicle emitting smoke and later catching fire after a collision, with passengers struggling to escape due to the malfunctioning door handles [3]. - Dongfeng Yipai issued a statement acknowledging the incident, which occurred on March 19, 2025, and confirmed that the accident was caused by a high-speed collision with a truck [3]. Group 2: Safety Concerns - The inability to open hidden door handles during emergencies has been a recurring issue in recent traffic accidents, highlighting the potential risks associated with this design [4]. - The Ministry of Industry and Information Technology has developed a mandatory national standard, GB 48001-2026, which will take effect on January 1, 2027, addressing safety requirements for car door handles [4]. Group 3: New Standards - The new standard mandates that each car door must be equipped with a mechanical release for the outer door handle, ensuring that doors can be opened in emergencies, such as battery thermal runaway [5]. - Each door must also have at least one mechanical release inner handle that operates independently, with specific placement and visibility requirements to facilitate emergency access [5][6]. - The standard specifies that the inner handle must be clearly marked with identifiable symbols and instructions, ensuring visibility and ease of use in low-light conditions [6].

Core Points - A lawsuit has been filed against Tesla by the parents of a 19-year-old college student, Krysta, claiming design defects in the Cybertruck led to her death in a car fire after an accident [1][2] - The accident involved a drunk and drugged driver operating the Cybertruck at over 80 mph (approximately 129 km/h), resulting in a crash that trapped passengers inside the vehicle [1] - The Cybertruck's door design, which lacks external handles and relies on an electronic button, has raised safety concerns, particularly in emergency situations where power loss may render the button inoperable [2][4] Company and Industry Insights - Tesla's design choice of hidden door handles, while aesthetically pleasing and reducing drag, poses challenges for users, especially in emergencies where quick access is critical [4][5] - The National Highway Traffic Safety Administration (NHTSA) has received over 140 complaints regarding Tesla's door mechanisms failing to open after accidents, highlighting a significant safety issue [2][6] - Tesla is reportedly redesigning the door handle system to improve emergency accessibility, combining electronic and manual unlocking features [6] - As of October 2, Tesla's stock price was $429.83 per share, with a market capitalization of approximately $1.43 trillion, reflecting a decline of 6.45% over two trading days [7]

Core Viewpoint - The safety issues related to hidden door handles in vehicles have gained significant attention, prompting the Ministry of Industry and Information Technology to solicit opinions on the mandatory national standard for automotive door handle safety requirements [2][3]. Summary by Sections Safety Concerns - Hidden door handles have been found to have insufficient strength, potential safety risks in control logic, difficulty in operation due to lack of visible markings, failure during power outages, and risks of pinching, which pose potential escape and rescue risks during accidents such as collisions and fires [2][3]. Regulatory Developments - The document outlines the need to enhance the safety logic of external door handles in scenarios like collisions and vehicle fires, ensuring that door systems can be opened during power outages or accidents to facilitate rescue and escape [3]. Design and Functionality - Various automotive companies have adopted different designs for hidden door handles, such as Tesla's fully hidden handles and Xiaomi's semi-hidden design. While these designs aim to attract customers, they may hinder timely access to emergency handles during accidents [4][5]. Industry Perspectives - Industry leaders have expressed concerns regarding hidden door handles, noting that the lack of standardization in their design and emergency opening mechanisms complicates their use in emergencies. Some argue that the primary benefit of hidden handles is aesthetic, with minimal impact on aerodynamic efficiency [5].

近年来，隐藏式门把手在交通碰撞事故中频频出现无法打开的情况。 汽车车门把手安全问题愈发引起重视。5月8日，工信部公开征集对《汽车车门把手安全技术要求》强制 性国家标准制修订计划项目的意见。根据标准化工作的总体安排，现将申请立项的《汽车车门把手安全 技术要求》强制性国家标准制修订计划项目予以公示，截止日期为2025年6月7日。 上述文件提及，隐藏式车门把手在市场应用过程中暴露出以下问题：强度不足、控制逻辑潜在安全风 险、识别操作难（隐蔽无标志）、断电失效、夹手等，潜在逃生、救援风险。这些问题带来了潜在的逃 生与救援风险。如：碰撞、起火等事故中，造成断电现象，使电动式外门把手、电动式车门内把手失 效，增大救援及逃生阻碍；无明显、统一标志，增加紧急情况下的操作难度。 文件提到，从救援逃生角度，强化汽车车门外把手在碰撞以及车辆起火等事故场景的安全逻辑，增加机 械或者断电保护等安全冗余设计要求，保证断电、碰撞等事故中车门系统能够开启，从而进行救援及逃 生活动；保证翻滚、坠落事故中，能够防止门把手的误作用，从而降低乘员跌落风险；规范隐藏式车门 内把手、应急式车门内把手易于识别的安全标志，保证标志可见性，从而降低乘员紧急情 ...