標(biāo)準(zhǔn)編號(hào):	GB/T 44262-2024
中文名稱:	質(zhì)子交換膜燃料電池汽車用氫氣采樣技術(shù)要求
英文名稱:	Technical requirements for sampling of hydrogen for proton exchange membrane fuel cell vehicles
中標(biāo)分類:	F19    新能源及其他
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
ICS分類:	27.010 27.010    能源和熱傳導(dǎo)工程綜合 27.010
發(fā)布機(jī)構(gòu):	國(guó)家市場(chǎng)監(jiān)督管理總局, 國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2024-07-24
實(shí)施日期:	2024-11-1
標(biāo)準(zhǔn)狀態(tài):	to be valid
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	17000 字
翻譯價(jià)格(元):	1190.0
交付時(shí)間:	付款后 1~3 個(gè)工作日

GB/T 44262-2024 Technical requirements for sampling of hydrogen for proton exchange membrane fuel cell vehicles Warning: Hydrogen is a kind of flammable and explosive gas. This document does not address all safety issues related to its application. It is the responsibility of the users to prepare corresponding safety and protection measures, define the application scope, and ensure conformance to the relevant national laws and regulations and mandatory national standards before using this document. 1 Scope This document specifies the requirements for hydrogen sampling equipment, preparation before sampling, sampling procedures, and sampling record for proton exchange membrane fuel cell vehicles. This document is applicable to hydrogen sampling in hydrogen fueling stations with a pressure rating not greater than 70 MPa. Hydrogen sampling in hydrogen production, storage and transportation sites for proton exchange membrane fuel cells shall be implemented with reference to this document. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions 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 1226 General pressure gauge GB/T 1227 Accurate pressure gauge GB/T 8979 Pure nitrogen and high purity nitrogen and ultra pure nitrogen GB/T 12244 General requirements for pressure reducing valves GB 12358 Gas monitors and alarms for workplace - General technical requirements GB/T 21465 Terminology of valves GB/T 24499 Technology glossary for gaseous hydrogen, hydrogen energy and hydrogen energy system GB/T 26779 Hydrogen fuel cell electric vehicle refueling receptacle GB/T 29729 Essential requirements for the safety of hydrogen systems GB/T 37244 Fuel specification for proton exchange membrane fuel cell vehicles - Hydrogen GB/T 43306 Gas analysis - Sampling guidelines GB/T 43674 General requirements of hydrogen fuelling stations GB 50156 Technical standard of fuelling station GB 50516 Technical code for hydrogen fuelling station (Edition 2021) 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 21465, GB/T 24499 and GB/T 43306 apply. 4 Equipment 4.1 Hydrogen sampling device 4.1.1 General requirements The hydrogen sampling device shall meet the following requirements: ——The hydrogen sampling device shall be designed according to the relevant provisions of GB 50156, GB 50516 and GB/T 43674; ——The materials in contact with hydrogen in the hydrogen sampling device shall comply with GB/T 29729; ——The hydrogen sampling device shall not pollute the sample, and the materials in contact with hydrogen in the sampling device shall not adsorb the collected components. The overall performance shall be subjected to quality evaluation according to the provisions of GB/T 43306. 4.1.2 Basic composition The hydrogen sampling device should be equipped with sample source interface, stop valve, pressure gauge, relief valve, inlet valve, outlet valve, sampling gas cylinder, bypass valve, safety valve, check valve, venting component and grounding component. Valves with small dead volume should be selected. The schematic diagram of the hydrogen sampling device is shown in Figure 1, and the hydrogen sampling device with the same functions as shown in the figure may also be used.

Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Equipment 5 Preparation before sampling 6 Sampling procedures 7 Sampling record Annex A (Informative) Record for sampling of hydrogen for proton exchange membrane fuel cell vehicles Bibliography

質(zhì)子交換膜燃料電池汽車用氫氣采樣技術(shù)要求 警示：氫氣是一種易燃易爆氣體。本文件不涉及與其應(yīng)用有關(guān)的所有安全問(wèn)題。在使用本文件前，使用者有責(zé)任制定相應(yīng)的安全和保護(hù)措施，明確其限定的適用范圍，并保證符合國(guó)家有關(guān)法律法規(guī)強(qiáng)制性國(guó)家標(biāo)準(zhǔn)的規(guī)定。 1 范圍 本文件規(guī)定了質(zhì)子交換膜燃料電池汽車用氫氣采樣的設(shè)備，采樣前準(zhǔn)備，采樣步驟，采樣記錄的要求。 本文件適用于壓力等級(jí)不大于70MPa的加氫站中氫氣的采樣，質(zhì)子交換膜燃料電池用氫氣的生產(chǎn)、儲(chǔ)運(yùn)場(chǎng)所中氫氣的采樣參照?qǐng)?zhí)行。 2 規(guī)范性引用文件 下列文件中的內(nèi)容通過(guò)文中的規(guī)范性引用面構(gòu)成本文件必不可少的條款。其中，注日期的引用文件，僅該日期對(duì)應(yīng)的版本適用于本文件：不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。 GB/T 1226 一般壓力表 GB/T 1227 精密壓力表 GB/T 8979 純氮、高純氮和超純氮 GB/T 12244 減壓網(wǎng) 一般要求 GB 12358 作業(yè)場(chǎng)所環(huán)境氣體檢測(cè)報(bào)警儀 通用技術(shù)要求 GB/T 21465 閥門 術(shù)語(yǔ) GB/T 24499 氫氣、氫能與氫能系統(tǒng)術(shù)語(yǔ) GB/T 26779 燃料電池電動(dòng)汽車加氫口 GB/T 29729 氫系統(tǒng)安全的基本要求 GB/T 37244 質(zhì)子交換膜燃料電池汽車用燃料 氫氣 GB/T 43306 氣體分析 采樣導(dǎo)則 GB/T 43674 加氫站通用要求 GB 50156 汽車加油加氣加氫站技術(shù)標(biāo)準(zhǔn) GB 50516 加氫站技術(shù)規(guī)范（2021版） 3 術(shù)語(yǔ)和定義 GB/T 21465、GB/T 24499和GB/T 43306界定的術(shù)語(yǔ)和定義適用于本文件。 4 設(shè)備 4.1 氫氣采樣裝置 4.1.1 通用要求 氫氣采樣裝置應(yīng)滿足如下要求： ——?dú)錃獠蓸友b置的設(shè)計(jì)應(yīng)符合GB 50156、GB 50516和GB/T 43674的相關(guān)規(guī)定； ——?dú)錃獠蓸友b置中與氫接觸的材料應(yīng)符合GB/T 29729的相關(guān)規(guī)定； ——?dú)錃獠蓸友b置不應(yīng)對(duì)樣品產(chǎn)生污染，采樣裝置中與氫接觸的材料不應(yīng)對(duì)采集組分產(chǎn)生吸附，整體性能應(yīng)按GB/T 43306進(jìn)行質(zhì)量評(píng)估。 4.1.2 基本組成 氫氣采樣裝置宜具備樣品源接口、截止閥、壓力表、減壓閥、入口閥、出口閥、采樣氣瓶、旁路閥、安全閥、止回閥、放空組件以及接地組件，宜選用死體積小的閥門。氫氣采樣裝置示意圖見(jiàn)圖1，具有圖中相同功能的氫氣采樣裝置也可使用。