GB 17761-2024 Safety technical specification for electric bicycle
1 Scope
This document specifies technical requirements such as bicycle identification, bicycle safety, mechanical safety, electrical safety, fire and flame retardant, plastic proportion, BDS positioning function, communication and dynamic safety monitoring, tamper-proof, instruction manual, enterprise quality assurance capability and product consistency of electric bicycles, and describes the corresponding test methods.
This document is applicable to electric bicycles.
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 755-2019 Rotating electrical machines - Rating and performance
GB 811 Helmets for motorcycle and electric bicycle users
GB/T 3565.1-2022 Safety requirements for bicycles - Part 1: Terms and definitions
GB 3565.2-2022 Safety requirements for bicycles - Part 2: Requirements for city and trekking, young adult, mountain and racing bicycles
GB/T 3565.4-2022 Safety requirements for bicycles - Part 4: Braking test methods
GB/T 4208-2017 Degrees of protection provided by enclosure (IP code)
GB/T 5169.16 Fire hazard testing for electric and electronic products - Part 16: Test flames - 50W horizontal and vertical flame test methods
GB/T 5296.1 Instructions for use of products of consumer interest - Part 1: General principles
GB/T 5454 Textiles - Burning behaviour - Oxygen index method
GB/T 5455 Textiles - Burning behaviour - Determination of damaged length, afterglow time and afterflame time of vertically oriented specimens
GB/T 12742 The specifications of testing equipment and measuring appliance for bicycle
GB/T 18284 QR code
GB/T 18380.12 Test on electric and optical fibre cables under fire conditions - Part 12:Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1kW pre-mixed flame
GB/T 18380.22 Tests on electric and optical fibre cables under fire conditions - Part 22: test for vertical flame propagation for a single small insulated wire or cable - Procedure for diffusion flame
GB/T 31887.1-2019 Cycles - Lighting and retro-reflective devices - Part 1: Lighting and light signalling devices
GB/T 31887.2 Cycles - Lighting and retro-reflective devices - Part 2: Retro-Reflective devices
GB 38262-2019 Flammability of interior materials for buses
GB/T 40302 Plastics - Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source
GB 42295-2022 Safety requirement for electric bicycles electrical
GB 42296 Safety technical requirements of charger for electric bicycles
GB 43854 Safety technical specification of lithium-ion battery for electric bicycle
QB/T 1880 Front forks for bicycles
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 3565.1-2022 and the following apply.
3.1.1
electric bicycle
two-wheeled bicycle with battery as energy source to realize electric drive or/and electric aid functions
3.1.2
fully assembled electric bicycle
electric bicycle equipped with all necessary components (including battery and all accessories expressly indicated in the instruction manual, but excluding external charger and helmet) (3.1.1)
3.1.3
electric drive
drive mode in which the driving electric energy is supplied by the on-board battery and only the motor outputs power
3.1.4
electric aid
drive mode consisting of manpower and motor power according to the output ratio
3.1.5
manufactured date
production date
date of completion of bicycle manufacturing
3.1.6
BeiDou navigation satellite system; BDS
global satellite navigation system developed, constructed and managed by China, which provides users with real-time three-dimensional position, speed and time information
Note 1: It is referred to as BDS in this document.
Note 2: The services provided by BDS include basic navigation services, short message communication services, satellite-based enhancement services, international search and rescue services and precision single-point positioning services.
[Source: GB/T 39267-2020, 2.1.11, modified]
3.1.7
BeiDou independent positioning
function that realizes the satellite navigation, positioning, timing and other functions only by using BDS without relying on other satellite navigation systems
3.2 Abbreviations
For the purposes of this document, the following abbreviations apply.
PDOP: Position Dilution of Precision
4G: the 4th Generation mobile communication technology
5G: the 5th Generation mobile communication technology
4 General requirements
4.1 In the case of normal use, reasonable and foreseeable misuse and failure, the electric bicycles shall guard against danger. Dangers include but are not limited to:
a) material deterioration, fire or personnel burns by the heat generated;
b) burning, explosion, electric shock and the like during charging, driving and parking;
c) personal injury caused by the breakage, looseness, deformation and motion interference of the bicycle or its components.
4.2 The software and hardware of electric bicycles shall have tamper-proof design to prevent unauthorized modification or change of maximum speed, motor power, voltage, etc.
Foreword i Introduction iii 1 Scope 2 Normative references 3 Terms, definitions and abbreviations 3.1 Terms and definitions 3.2 Abbreviations 4 General requirements 5 Bicycle identification 5.1 Nameplate 5.2 Bicycle serial number 5.3 Motor serial number 5.4 Nameplate location 5.5 Product certificate 6 Safety requirements and test methods 6.1 Bicycle safety 6.2 Mechanical safety 6.3 Electrical safety 6.4 Fire protection and flame retardance 6.5 Proportion of plastic 6.6 BDS positioning function 6.7 Communication and dynamic security monitoring 6.8 Tamper-proof 6.9 Instruction manual 6.10 Helmet 7 Enterprise quality assurance capability and product conformity 7.1 General requirements 7.2 Enterprise production capacity 7.3 Enterprise testing capability 7.4 Enterprise quality control capability 7.5 Inspection rules 8 Implementation of this standard Annex A (Nominative) Mechanical strength test Annex B (Informative) BDS module performance B.1 Definitions B.2 Positioning testing environment B.3 BDS module performance Annex C (Informative) Function examples of the electric bicycle management platform C.1 General C.2 Registration and information entry C.3 Positioning, early warning, and feedback C.4 Data analysis and reporting C.5 System security and privacy protection C.6 Compatibility and interaction C.7 Interface and data access Annex D (Informative) Examples of tamper-proof inspection methods D.1 General D.2 Inspection of specific operating methods D.3 Inspection of the decoder's speed limit removal method D.4 Inspection of the controller replacement method D.5 Inspection of the network speed limit removal method D.6 Inspection of the speed limit removal method using an external "cloud box" Annex E (Nominative) The setting of main technical parameters of electric bicycles E.1 Main technical parameters of bicycles E.2 Main technical parameters of batteries E.3 Main technical parameters of motors E.4 Main technical parameters of controllers Annex F (Informative) Enterprise quality control capability F.1 General F.2 Documents and records F.3 Key parts and control F.4 Production process control F.5 Finished product inspection F.6 Changes and conformity control of products F.7 Traceability and treatment measures Bibliography
