GB/T 29126-2012 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 29126-2012 | English | 70 |
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[Including 2020XG1] Fuel cell electric vehicles -- Onboard hydrogen system -- Test methods
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GB/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 Contents
Foreword... 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]... 8
Foreword
This 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 methods
1 Scope
This 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 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 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 -
Specifications
3 Terms and definitions
The terms and definitions defined in GB/T 24548 apply to this document.
4 Test conditions
4.1 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 instruments
The test equipment and instruments shall be detected, maintained and
calibrated according to manufacturer’s requirements.
6 Test methods
6.1 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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