1 Scope
This standard specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation and storage requirements of compressed hydrogen dispenser for vehicles.
This standard is applicable to compressed hydrogen dispenser with rated operating pressure no larger than 70MPa for the hydrogen refueling station of hydrogen energy vehicles.
2 Normative References
The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 2423.1 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Tests A: Cold
GB/T 2423.2 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Tests B: Dry Heat
GB/T 2423.4 Environmental Testing for Electric and Electronic Products - Part 2: Test method - Test Db: Damp Heat, Cyclic (12h+12h Cycle)
GB 3836 (all parts) Electrical Apparatus used for Explosive Gas Atmospheres
GB 10543 Rubber Hose and Hose Assemblies for Aircraft Ground Fuelling and Defuelling
GB/T 13384 General Specifications for Packing of Mechanical and Electrical Product
GB/T 19237 Compressed Natural Gas Dispenser for Vehicle
GB/T 24499 Technology Glossary for Gaseous Hydrogen, Hydrogen Energy and Hydrogen Energy System
GB 50516 Technical Code for Hydrogen Fuelling Station
JJG 693 Alarmer Detectors of Combustible Gas
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 24499, GB 50516 and GB/T 19237 and the following apply.
3.1
compressed hydrogen dispenser for vehicles
special equipment providing vehicles with the service of filling compressed hydrogen fuel or hydrogen enriched compressed nature gas and also having the functions of measuring and pricing, which is also called "hydrogen dispenser" for short
3.2
hydrogen enriched compressed nature gas
gas fuel obtained by mixing hydrogen and natural gas in a certain proportion, with hydrogen accounting for not exceeding 50% (volume fraction) of the gas mixture, which is called "HCNG" for short
3.3
dispenser nozzle
refueling interface installed at the end of dispenser hose of hydrogen dispenser to connect hydrogen dispenser and vehicle
3.4
receptacle
assembly of parts connecting vehicle and dispenser nozzle during refueling
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Model
5 System Composition
6 Technical Requirements
6.1 Basic Requirements
6.2 Functional Requirements
6.3 Safety Requirements
7 Test Methods
7.1 Test Conditions
7.2 Test Items
7.3 Complete Machine Test
8 Inspection Rules
8.1 End-of-manufacturing Inspection
8.2 Type Inspection
8.3 Judgment Rules
9 Marking, Packaging, Transportation and Storage
9.1 Marking
9.2 Packaging
9.3 Transportation and Storage
Annex A (Informative) Block Diagram for Hydrogen Dispenser System and Its Operating Principle
