Standard No.:	QC/T 1208-2024
English Name:	Hydrogen recirculation blower for fuel cell system
Chinese Name:	燃料电池发动机用氢气循环泵
Chinese Classification:	T47    New energy vehicle and other automobiles
Professional Classification:	QC    Professional Standard - Automobile
Source Content Issued by:	MIIT
Issued on:	2024-07-05
Implemented on:	2025-1-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	15500 words
Translation Price(USD):	465.0
Delivery:	via email in 1~5 business day

QC/T 1208-2024 Hydrogen recirculation blower for fuel cell system 1 Scope This document specifies the technical conditions, test methods, inspection rules and marking, packaging, transportation and storage requirements of hydrogen recirculation blower for fuel cell system (hereinafter referred to as hydrogen blower). This document is applicable to Roots hydrogen recirculation blower for fuel cell system, and may serve as a reference for other types of hydrogen recirculation blowers. 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 755-2019 Rotating electrical machines - Rating and performance GB/T 2408-2021 Plastics - Determination of burning characteristics - Horizontal and vertical test GB/T 2423.3-2016 Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state GB/T 2423.4-2008 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle) GB/T 2423.18-2021 Environmental testing - Part 2: Test methods - Test Kb: Salt mist, cyclic (sodium chloride solution) GB/T 2423.22-2012 Environmental testing - Part 2: Tests methods - Test N: Change of temperature GB/T 2423.56-2018 Environmental testing - Part 2: Test methods - Test Fh: Vibration, broadband random and guidance GB/T 3836.1-2021 Explosive atmospheres - Part 1: Equipment - General requirements GB/T 4208 Degrees of protection provided by enclosure (IP code) GB/T 6908 Analysis of water used in boil and cooling system - Determination of electrical conductivity GB/T 13277.1-2008 Compressed air - Part 1: Contaminants and purity classes GB/T 13277.4-2015 Compressed air - Part 4: Test methods for solid particle content GB/T 13277.5-2019 Compressed air - Part 5: Determination of oil vapour and organic solvent content GB/T18488-2024 Drive motor system for electric vehicles GB/T 18655-2018 Vehicles boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers GB/T 19951-2019 Road vehicles - Test methods for electrical disturbances from electrostatic discharge GB/T 21437.2-2021 Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only GB/T 21437.3-2021 Road vehicles - Electrical disturbances from conduction and coupling - Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines GB/T 28046.2-2019 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 2: Electrical loads GB/T 28046.3-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 3: Mechanical loads GB/T 28046.4-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 4: Climatic loads GB/T 30512 Requirements for prohibited substances on automobiles GB/T 31562 Foundry machinery - Determination method of cleanliness GB/T 33014.2-2016 Road vehicles - Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy - Part 2: Absorber-lined shielded enclosure GB/T 33014.4-2016 Road vehicles - Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy - Part 4: Bulk current injection (BCI) GB/T 33014.8-2020 Road vehicles - Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy - Part 8: Immunity to magnetic fields GB 50800-2012 Technical code for anechoic and semi-anechoic rooms JB/T 12334-2015 Measuring method for noise of turbochargers 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 18488-2024 as well as the following apply. 3.1 hydrogen recirculation blower mechanical equipment for hydrogen recirculation of fuel cell system Note 1: Also known as hydrogen blower. Note 2: It mainly includes pump, motor, controller, wiring harness and installation support part. The pump and motor are generally designed as a whole, and the controller may be designed to be integrated with or separated from the pump and motor. 3.2 pump mechanical device that converts rotating mechanical energy into pressure energy 3.3 motor electrical device that converts electrical energy into rotating mechanical energy Note: A motor is generally used as the main driving device of hydrogen blower for fuel cell system to convert electrical energy into rotating mechanical energy of rotor components. 3.4 controller device for controlling the energy transmission between the fuel cell system and the motor, which is composed of a control signal interface circuit, a motor control circuit and a drive circuit 3.5 overall efficiency ratio of the adiabatic compression power to the controller input power when a certain amount of gas (which may be pure gas or mixed gas) is compressed to a specific pressure Note: The overall efficiency includes pump adiabatic efficiency, mechanical efficiency, motor efficiency and controller efficiency. 3.6 pump adiabatic efficiency ratio of the adiabatic temperature rise to the actual temperature rise of the gas at the inlet and outlet of the pump after gas compression Note: The physical meaning of pump adiabatic efficiency is the ratio of the adiabatic compression power to the actual compression power when the gas is compressed to a certain pressure ratio, which represents the proximity between the gas compression process and the isentropic process inside the pump. 3.7 pump volumetric efficiency ratio of the pump inlet flow to the theoretical flow Note: It represents the degree of internal leakage of the pump through the rotor gap and the rotor-housing gap during gas compression. 4 Apparatus requirements All the apparatus used in the tests shall pass the inspection by the metrological department, and their accuracy shall meet those specified in Table 1. 5 Operating modes 5.1 Operating mode 1 In operating mode 1, the hydrogen blower is not energized. The operating mode is classified into the following two types depending on whether it is connected to the wiring harness: a) operating mode 1.1: the hydrogen blower is not connected to the wiring harness; b) operating mode 1.2: the fixing method, wiring harness and pipeline connection of the hydrogen blower shall meet the requirements of technical documents for the hydrogen blower products.

燃料电池发动机用氢气循环泵 1 范围 本文件规定了燃料电池发动机用氢气循环泵(以下简称氢泵)的技术条件、试验方法、检验规则及标 志、包装、运输及储存要求。 本文件适用于车用燃料电池发动机的罗茨式氢气循环泵，其他类型氢气循环泵可参照执行。 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)适用于本文件。 GB/T 755-2019 旋转电机 定额和性能 GB/T 2408-2021 塑料 燃烧性能的测定 水平法和垂直法 GB/T 2423.3-2016 环境试验 第2部分：试验方法 试验Cab：恒定湿热试验 GB/T 2423.4-2008 电工电子产品环境试验 第2部分：试验方法 试验Db 交变湿热(12h+12h循环) GB/T 2423.18-2021 环境试验 第2部分：试验方法 试验Kb：盐雾，交变(氯化钠溶液) GB/T 2423.22-2012 环境试验 第2部分：试验方法 试验N：温度变化 GB/T 2423.56-2018 环境试验 第2部分：试验方法 试验Fh：宽带随机振动和导则 GB/T 3836.1-2021 爆炸性环境 第1部分：设备 通用要求 GB/T 4208 外壳防护等级(IP 代码) GB/T 6908 锅炉用水和冷却水分析方法 电导率的测定 GB/T 13277.1-2008 压缩气体 第1部分：污染物净化等级 GB/T 13277.4-2015 压缩气体 第4部分：固体颗粒测量方法 GB/T 13277.5-2019 压缩气体 第5部分：油蒸气及有机溶剂测量方法 GB/T18488-2024 电动汽车用驱动电机系统 GB/T 18655-2018 车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量方法 GB/T 19951-2019 道路车辆 静电放电产生的电骚扰试验方法 GB/T 21437.2-2021 道路车辆 电气/电子部件对传导和耦合引起的电骚扰试验方法 第2部分：沿电源线的电瞬态传导发射和抗扰性 GB/T 21437.3-2021 道路车辆 由传导和耦合引起的电骚扰 第3部分：除电源线外的导线通过容性和感性耦合的电瞬态发射 GB/T 28046.2-2019 道路车辆 电气及电子设备的环境条件和试验 第2部分：电气负荷 GB/T 28046.3-2011 道路车辆 电气及电子设备的环境条件和试验 第3部分：机械负荷 GB/T 28046.4-2011 道路车辆 电气及电子设备的环境条件和试验 第4部分：气候负荷 GB/T 30512 汽车禁用物质要求 GB/T 31562 铸造机械 清洁度测定方法 GB/T 33014.2-2016 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第2部分：电波暗室法 GB/T 33014.4-2016 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第4部分：大电流注入法 GB/T 33014.8-2020 道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第8部分：磁场抗扰法 GB 50800-2012 消声室和半消声室技术规范 JB/T 12334-2015 涡轮增压器噪声测试方法 3 术语和定义 GB/T 18488-2024界定的以及下列术语和定义适用于本文件。 氢气循环泵 hydrogen recirculation blower 用于燃料电池发动机氢气循环的机械设备。 注1：又称氢泵。 注2：主要包含泵体、电机、控制器、线束和安装支撑部分等。泵体和电机一般为整体式设计，控制器可与泵体和电机集成设计或分体设计。 泵体 pump 将旋转机械能转换为压力能的机械装置。 电机 motor 将电能转换成旋转机械能的电气装置。 注：燃料电池发动机用氢泵一般使用电机作为主要驱动装置，将电能转换成转子部件的旋转机械能。 控制器 controller 燃料电池发动机与电机之间进行能量传输的装置，由控制信号接口电路、电机控制电路和驱动电路组成。 总效率 overall efficiency 将一定量的气体(可以是纯气体或是混合气体)压缩到特定压力时的绝热压缩功率与控制器输入功率之比。 注：总效率包含泵体绝热效率、机械效率、电机效率和控制器效率 泵体绝热效率 pump adiabatic efficiency 气体压缩后泵体进出口气体的绝热温升与实际温升之比。 注：泵体绝热效率物理意义为气体压缩到一定的压比时绝热压缩功率与实际压缩功率之比，表征泵体内部气体压缩过程与等熵过程的接近程度。 泵体容积效率 pump volumetric efficiency 泵体进气流量与理论流量之比。 注：表征泵体在压缩气体时通过转子间隙和转子与壳体间隙等位置的内泄漏程度。 4 设备和仪器要求 所有试验用的仪器设备等应经计量部门检验合格，仪器设备的准确度应符合表1要求。 5 工作模式 5.1 工作模式 处于工作模式1时，氢泵不通电。根据是否连接线束，分为以下2种工作模式： a) 工作模式1.1,未连接到线束； b) 工作模式1.2,氢泵的固定方式、线束和管路连接应符合氢泵产品技术文件的规定。