GB/T 29126-2012 PDF EnglishUS$70.00 · In stock · Download in 9 seconds
GB/T 29126-2012: [Including 2020XG1] Fuel cell electric vehicles -- Onboard hydrogen system -- Test methods Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Obsolete
Similar standardsGB/T 29126-2012: [Including 2020XG1] Fuel cell electric vehicles -- Onboard hydrogen system -- Test methods---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT29126-2012 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.080.01 T 47 Fuel cell electric vehicles – Onboard hydrogen system - Test methods [Including 2020XG1] Issued on. DECEMBER 31, 2012 Implemented on. JULY 1, 2013 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Terms and definitions... 4 4 Test conditions... 4 5 Test equipment and instruments... 5 6 Test methods... 5 National Standard No. 1 Amendment Sheet [2020XG1]... 8ForewordThis Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard was proposed by Ministry of Industry and Information Technology of the People's Republic of China. This Standard shall be under the jurisdiction of China National Automotive Standardization Technical Committee (SAC/TC 114). Drafting organizations of this Standard. China Automotive Technology and Research Center, Institute of Chemical Machinery, Zhejiang University, Tsinghua University, Tongji University, Shenzhen Institute of Standards and Technology, Shanghai Shen-li High Tech Co., Ltd., Dalian Institute of Chemical Physics, Shanghai Sunwise New Energy System Co., Ltd.. Main drafters of this Standard. Zheng Jinyang, He Yuntang, Chen Quanshi, Hou Yongping, Shao Zhongying, Wang Yiqun, Zhang Ruogu, Hou Ming, Zhang Cunman. Fuel cell electric vehicles – Onboard hydrogen system - Test methods1 ScopeThis Standard specifies the test methods for onboard hydrogen system of fuel cell electric vehicles. This Standard is applicable to fuel cell electric vehicles which use compressed hydrogen as fuel, of which the working pressure does not exceed 35 MPa when it works at 15°C of ambient temperature.2 Normative referencesThe 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 24548 Fuel cell electric vehicles - Terminology GB/T 24549 Fuel cell electric vehicles - Safety requirements GB/T 26779-2011 Fuel cell electric vehicles - Refuelling receptacle GB/T 26990-2011 Fuel cell electric vehicles - Onboard hydrogen system - Specifications3 Terms and definitionsThe terms and definitions defined in GB/T 24548 apply to this document.4 Test conditions4.1 Vehicle conditions 4.2 Environmental conditions 4.2.1 During the test, the atmospheric pressure shall not be less than 91 kPa; the temperature shall be at 5°C~35°C; the relative humidity shall be less than 95%; the test site shall be remained dry.5 Test equipment and instrumentsThe test equipment and instruments shall be detected, maintained and calibrated according to manufacturer’s requirements.6 Test methods6.1 General 6.1.1 Hydrogen storage vessel and piping 6.1.1.1 Check if the hydrogen system piping installation and alignment are away from heat, electrical appliances, storage batteries or any place which may generate electric arc. Check if high pressure piping and components are reliably grounded. 6.1.1.4 Check if the metal parts of supporting and securing pipeline are in contact with the piping, except the welding BETWEEN the piping AND supporter and fastener. 6.1.1.5 Check the neat arrangement of rigid pipeline. Check if the rigid pipeline is in contact with or rub with the adjacent parts. Check if the pipeline has seismic resistance and measures to eliminate the influence of thermal expansion and contraction. For bending pipes, measure its radius of the axis of curvature. Measure the interval distance between supporting points of piping. 6.1.2 Hydrogen leakage 6.1.2.1 Hydrogen leakage. fill the hydrogen storage vessel in the test vehicle to 100% of working pressure, and put it in a hermetic space for 8 h according to provisions. Measure the hydrogen permeation rate. 6.1.3 Refuelling receptacle 6.1.3.1 Check if refuelling receptacle shape and size comply with the requirements of GB/T 26779-2011.Measure the installation place and height of refuelling receptacle. 6.1.3.2 If there are exposed electrical terminals, electrical switches and ignition source around the refuelling receptacle, measure the distance between them. Check if it complies with the provisions of GB/T 26990-2011. 6.1.4 Hydrogen emission When pressure relief valve releases hydrogen, check if the position, direction of exhaust gas flow are far away from people, power and fire source. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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