标准编号:	DB31/T 634-2020
中文名称:	电动乘用车运行安全和维护保障技术规范
英文名称:	Technical specification of operation safety and maintenance guarantee for electric passenger cars
中标分类:	T47    新能源汽车及其他类型汽车
行业分类:	DB    地方标准
ICS分类:	43.100 43.100    旅行客车、篷车和轻型挂车 43.100
发布机构:	上海市市场监督管理局
发布日期:	2020-12-17
标准状态:	valid
替代旧标准:	DB31/T 634-2012 电动乘用车运行安全和维护保障技术规范
翻译语言:	英文
文件格式:	PDF
中文字符数:	11000 字
翻译价格(元):	400.0
交付时间:	付款后 1 个工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization — Part 1: Rules for the structure and drafting of standardizing documents. This document replaces DB31/T 634-2012 Safety and maintenance guarantee specifications for electric passenger cars demonstration operating on roads. In addition to structural adjustment and editorial changes, the following main technical changes have been made compared with DB31/T634-2012: a) "Ratio of battery pack weight to complete vehicle kerb mass" has been deleted; b) "Emergency information card" has been deleted; c) "Requirements for power performance and economical efficiency" has been deleted; d) "Reliability test" has been deleted; e) "Voltage class" has been added (see Clause 4); f) "Remote monitoring system" has been modified (see 5.2); g) "Vehicle safety requirements" has been modified (see 5.3); h) "Requirements for energy storage device" has been modified (see 5.4); i) "Requirements for charging and swapping system" has been added (see 5.5); j) "After-sales service system" has been modified (see 5.6). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights. This document was proposed and implemented by Shanghai Municipal Commission of Economy and Informatization. This document is under the jurisdiction of Technical Committee on New Energy Vehicle and Application Standardization of Shanghai. The previous edition of this document is as follows: ——DB31/T 634-2012; ——This edition is the first revision. Technical specification of operation safety and maintenance guarantee for electric passenger cars 1 Scope This document specifies technical requirements and test methods of safety and maintenance guarantee for electric passenger cars which are sold and registered in Shanghai. This document is applicable to pure electric passenger cars and plug-in hybrid electric passenger cars. Fuel cell electric passenger cars may be implemented with reference. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 4208-2017 Degrees of protection provided by enclosure (IP code) GB 18384-2020 Electric vehicles safety requirements GB/T 19596 Terminology of electric vehicles GB/T 31484-2015 Cycle life requirements and test methods for traction battery of electric vehicle GB/T 32960 (all parts) Technical specifications of remote service and management system for electric vehicles GB 38031-2020 Electric vehicles traction battery safety requirements DB31/T 845 Public data acquisition technical specifications for new energy vehicles 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 19596 and the following apply. 3.1 remote monitoring system system for collecting, processing and managing information of electric vehicles, which consists of on-board terminal and enterprise platform 3.2 on-board terminal device or system which is installed on the electric vehicle to collect and save the key state parameters of the whole vehicle and system components and sends them to the enterprise platform 3.3 enterprise platform platform built by the whole vehicle enterprise or entrusted by a third-party technical unit, aiming to manage the electric vehicles and users within the service scope and provide safe operations and managements 4 Voltage class The electrical elements or electric circuits shall be rated as follows by their maximum working voltage, as shown in Table 1. Table 1 Voltage class In: V Voltage class Maximum working voltage U DC AC (rms) A 0 < U ≤ 60 0 < U ≤ 30 B 60 < U ≤ 1500 30 < U ≤ 1000 For the voltage classes A and B electric circuits in conductive connection, if one electrode of the d.c. live component in electric circuit is connected with the electric chassis and the maximum voltage of any other live part relative to this electrode is not greater than 30V (a.c.) (rms) and 60 V (d.c.), this conductively connected circuit does not completely belong to a voltage class B electric circuit and only the part operating at voltage class B is considered as voltage class B electric circuit. 5 Technical requirements and test methods 5.1 General The vehicle model of electric passenger cars shall obtain the Road Motor Vehicle Manufacturers and Products Announcement issued by the Ministry of Industry and Information Technology and be in the Catalog of Vehicle Models Recommended for the Promotion and Application of New Energy Vehicles. 5.2 Remote monitoring system 5.2.1 The on-board terminal shall collect and store vehicle state parameters in real time, which shall at least include vehicle data specified in GB/T 32960 (all parts) and DB31/T 845, and the data collection time interval shall not be greater than 1 s. 5.2.2 The on-board terminal shall be able to collect and store the vehicle safety-related state parameters in real time before the thermal propagation caused by thermal runaway of the vehicle power battery, and send them to the enterprise platform in real time. 5.2.3 The installation position of the on-board terminal on the vehicle shall be far away from the thermal radiation area after the vehicle power battery catches fire, and it shall be provided with fire prevention, heat insulation and waterproof protection measures. 5.2.4 The complete vehicle manufacturer shall be provided with remote monitoring system. 5.2.5 The remote monitoring system shall acquire and display the state data and position of the monitored vehicle in real time, and the relevant data stored in the on-board terminal shall be sent to the enterprise platform in real time. 5.2.6 The remote monitoring system shall have functions of real-time monitoring, alarm prompting, real-time data import and export, historical data query and log management and authorized user query, etc. Real-time analysis may be carried out on the data such as important parameters for vehicle operation, new energy power system parameters and high-voltage system according to different vehicle types and driving areas. 5.2.7 The data acquisition of remote monitoring system shall include at least vehicle data specified in GB/T 32960 (all parts) and DB31/T 845. 5.2.8 The data acquisition time interval of remote monitoring system shall not be greater than 10 s. 5.2.9 The data storage time of remote monitoring system shall not be less than 6 years.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Voltage class 5 Technical requirements and test methods 5.1 General 5.2 Remote monitoring system 5.3 Vehicle safety requirements 5.4 Requirements for energy storage device 5.5 Requirements for charging and swapping system 5.6 After-sales service system 6 Inspection rules 6.1 Inspection items 6.2 Product conformity inspection

ICS 43.100 CCS T 47 DB31 上海市地方标准 DB31/T 634—2020 代替DB31/T 634—2012 电动乘用车运行安全和维护保障技术规范 Technical specification of operation safety and maintenance guarantee for electric passenger cars 2020-12-17发布 2021-04-01实施 上海市市场监督管理局 发布 前言 本文件按照GB/T 1.1—2020《标准化工作导则 第1部分：标准化文件的结构和起草规则》的规定起草。 本文件代替DB31/T 634—2012《电动乘用车运行安全和维护保障技术规范》，与DB31/T634—2012相比，除结构调整和编辑性改动外，主要技术变化如下： a) 删除了“电池组重量与整车整备质量之比”； b) 删除了“救授信息卡”； c) 删除了“动力性、经济性要求”； d) 删除了“可靠性试验”； e) 增加了“电压等级”(见第4章)； f) 修改了“远程监控系统”(见5.2)； g) 修改了“车辆安全要求”(见5.3)； h) 修改了“储能装置的要求”(见5.4)； i) 增加了“充换电系统要求”(见5.5)； j) 修改了“售后服务体系”(见5.6)。 请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。 本文件由上海市经济和信息化委员会提出并组织实施。 本文件由上海市新能源汽车及应用标准化技术委员会归口。 本文件及其所代替文件的历次版本发布情况为： ——DB31/T 634—2012； ——本次为第一次修订。 电动乘用车运行安全和维护保障技术规范 1 范围 本文件规定了在上海市范围内销售、注册的电动乘用车产品的运行安全和维护保障技术要求和试验方法。 本文件适用于纯电动乘用车和插电式油电混合动力电动乘用车。燃料电池电动乘用车参照执行。 2 规范性引用文件 下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)透用于本文件。 GB/T 4208—2017 外壳防护等级(IP代码) GB 18384—2020 电动汽车安全要求 GB/T 19596 电动汽车术语 GB/T 31484—2015 电动汽车用动力蓄电池循环寿命要求及试验方法 GB/T 32960(所有部分) 电动汽车远程服务与管理系统技术规范 GB 38031—2020 电动汽车用动力蓄电池安全要求 DB31/T 845 新能源汽车公共数据采集技术规范 3 术语和定义 GB/T 19596界定的以及下列术语和定义适用于本文件。 3.1 远程监控系统 remote monitoring system 对电动汽车信息进行采集、处理和管理的系统。由车载信息终端和企业平台构成。 3.2 车载信息终端 on-board terminal 安装在电动汽车上，采集及保存整车及系统部件的关键状态参数并发送到企业平台的装置或系统。 3.3 企业平台 enterprise platform 整车企业自建或委托第三方技术单位，对服务范围内的电动汽车和用户进行管理，并提供安全运营管理的平台。 4 电压等级 根据最大工作电压，将电气元件或电路分为以下等级，见表1。 表1 电压等级 单位为伏 电压等级 最大工作电压 U 直流 交流(rms) A 0＜U≤60 0＜U≤30 B 60＜U≤1500 30＜U≤1000 对于相互传导连接的A级电压电路和B级电压电路，当电路中直流带电部件的一极与电平台相连，且其他任一带电部分与这一极的最大电压值不大于30 V(a.c.)(rms)且不大于60 V(d.c.)，则该传导连接电路不完全属于B级电压电路，只有以B级电压运行的部分才被认定为B级电压电路。 5 技术要求及试验方法 5.1 基本要求 电动采用车车型应获得工信部《道路机动车辆生产企业及产品公告》及进入《新能源汽车推广应用推荐车型目录》。. 5.2 远程监控系统 5.2.1 车载信息终端应实时采集和存储车辆状态参数，车辆状态参数至少应包括GB/T 32960(所有部分)和DB31/T 845所规定的车辆数据，数据采集时间间隔应不大于1s。 5.2.2 车载信息終终端应能在车辆动力电池热失控引发热扩散前，实时采集和存储车辆安全相关状态参数，并实时发送给企业平台。 5.2.3 车载信息终端在车辆上的安装位置应远离车辆动力电池起火后的热辐射区城，并具备防火隔热和防水保护措施。 5.2.4 整车生产企业应具备远程监控系统。 5.2.5 远程监控系统应实时采集并显示被监控车辆的状态数据及位置，车载信息终端存储的相关数据应实时发送给企业平台。 5.2.6 远程监控系统应具备实时监控、报警提示、实时数据导入、导出、历史数据查询、日志管理、授权用户查询等功能。可按照不同车型和行驶区城，分别对车辆运行重要参数、新能源动力系统参数、高压电系统等数据进行实时分析。 5.2.7 远程监控系统数据采集应至少包括GB/T 32960(所有部分)和DB31/T 845所规定的车辆数据。 5.2.8 远程监控系统数据采集时间间隔应不大于10 s。 5.2.9 远程监控系统数据的保存时间应不少于6年。 5.3 车辆安全要求 5.3.1 B级电压电路的外壳或遮挡物上应有清晰可见的高压警告标记，B级电压电路的电缆和线束外皮应为橙色加以区别标记。 5.3.2 车辆应监控车辆上各B级电压部件和电路的高压连接器和拆解口的断开或打开状态。当B级电压部件或电路出现意外断开或打开，并能导致B级电压部件或电路外露可触及时，车辆应能自动断开B级电压部件或电路。 5.3.3 车辆和 B级电压部件的绝缘电阻应符合以下要求： a) 动力蓄电池系统按GB 18384—2020中6.2.1.2的方法测量，绝缘电阻值应不小于500 Ω/V； b) B级电压电路应按GB 18384—2020中6.2.1.3的方法测量，绝续电阻值应不小于500 Ω/V； c) 车辆在运行中应具有绝缘电阻实时监测、报警功能；当B级电压的电路系统绝缘电阻下降至500Ω/V以下时，应通过一个明显的信号(声或光)提醒驾驶员，且车辆进入保护模式。 5.3.4 车辆及 B级电压部件防水性能应符合以下要求： a) 车辆B级电压电路应按GB 18384—2020中5.1的规定满足人员触电防护要求，布置在乘客舱和行李舱外部的B级电压电路的防护性能应满足GB/T 4208—2017中IP67的要求(充电接口除外)； b) 根据表2规定的涉水试验条件，按GB 18384—2020中6.3.2方法进行涉水试验，试验过程中，乘员舱内无渗漏，仪表无故障报警，试验后30 min内进行绝缘电阻的测量，绝缘电阻应达到5.3.3的要求。 表2 涉水试验要求 水深 mm 涉水车速 km/h 涉水总时间 min 150 30+3 10 300 ≥5(前进、倒车行驶各进行一次) 10 注：涉水总时间指按规定车速和行驶方向进行涉水试验时，在水中行驶的累积时间。 5.3.5 车辆应具备动力电池系统热扩散预警及自动报警功能，当车辆在工作状态时能在动力电池热失控引发热扩散危险前5 min给出报警信号，并实时发送给企业平台。 5.3.6 在动力电池与乘员舱之间应有防火隔离措施，并使用阻燃隔热材料隔离。 5.4 储能装置要求 5.4.1 电池单体按GB/T 31484—2015中5.2完成标准循环寿命试检后，按GB 38031—2020中8.1.3和8.1.4进行过充和短路试验，应不起火、不爆炸。 5.4.2 电池包按GB 38031—2020中8.2.1试验方法及5.2.1技术要求完成振动试验后，电池包防护性能应满足GB/T 4208—2017中IP67要求，且防水试验后电池包内不进水。 5.5 充换电系统要求 5.5.1 车辆充电系统应安装温度监控装置，车辆应具备温度监控与过温保护功能。 5.5.2 车辆底盘与换电动力电池系统固定应采用锁止操作机构，并具备防锁止失效功能。锁止机构应能将电池系统可靠的紧固在底盘上，并在车辆正常使用过程中，不出现导致失效的变形和结构损坏。 5.5.3 换电连接器(低压线束插接快换接头、高压线束插接快换接头、液冷连接器插接快换接头)满足全生命周期插接的耐磨、密封要求，具备导向定位功能，在换电操作后，保证接口能可靠连接并保持原有性能。 5.6 售后服务体系 5.6.1 车辆生产销售企业在上海应具有完善的售后服务体系，应有5家以上企业投权合格的电动汽车维修服务站点，并布置在合理的服务区域，确保能为客户提供24h不间断保障服务。车辆的质保期应大于3年或8×104 km，动力电池等储能装置、驱动电机、电机控制器的质保期应大于8年或12×104 km。 5.6.2 企业应明确动力电池系统在使用过程中的维护保养的措施，项目、频次等基本要求。保养项目包括：外观检查、气密性检测、绝缘性能检测、均衡充电等。 5.6.3 企业应明确动力电池退役条件、动力电池溯源管理要求及回收网点。 5.6.4 对于存储3月以上运营车辆，重新投入使用前，营运企业应进行检查保养，如电池舱检查，确认是否有变形、外盖损坏、异味、鼓胀等。长期停放的车辆应由具有专项培训合格记录的人员对整车及关键零部件和车载储能装置、系统等，进行定期检查、维护，检查结果应有详细的记录存档。 6 检验规则 6.1 检验项目 车辆应按第5章的规定进行5.2~5.5的检测试验，应达到相关技术要求。 6.2 产品一致性检查 车辆除进行6.1规定的检验外，宜对车辆的产品生产一致性进行核查。