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GB 17761-2024 PDF English (GB 17761-2018: Older version)Search result: GB 17761-2024 (GB 17761-2018 Older version)
GB17761-2024: PDF in EnglishGB 17761-2024 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.140 CCS Y 14 Replacing GB 17761-2018 Safety technical specification for electric bicycle ISSUED ON. DECEMBER 31, 2024 IMPLEMENTED ON. SEPTEMBER 01, 2025 Issued by. State Administration for Market Regulation; National Standardization Administration. Table of Contents Foreword... 4 Introduction... 6 1 Scope... 7 2 Normative references... 7 3 Terms, definitions, abbreviations... 8 3.1 Terms and definitions... 8 3.2 Abbreviations... 10 4 General requirements... 10 5 Bicycle marking... 11 5.1 Nameplate... 11 5.2 Bicycle coding... 11 5.3 Motor code... 13 5.4 License plate installation position... 13 5.5 Product certificate... 13 6 Safety requirements and test methods... 14 6.1 Bicycle safety... 14 6.2 Mechanical safety... 22 6.3 Electrical safety... 25 6.4 Fire retardancy... 29 6.5 Plastic proportion... 31 6.6 Beidou positioning function... 32 6.7 Communication and dynamic safety monitoring... 33 6.8 Anti-tampering... 35 6.9 Instruction manual... 39 6.10 Helmets... 40 7 Enterprise quality assurance capabilities and product consistency... 41 7.1 General requirements... 41 7.2 Enterprise production capacity... 41 7.3 Enterprise testing capability... 42 7.4 Enterprise quality control capability... 42 7.5 Inspection rules... 43 8 Implementation of the standard... 45 Appendix A (Normative) Mechanical strength test... 46 Appendix B (Informative) Beidou module performance... 48 B.1 Glossary... 48 B.2 Positioning detection environment... 49 Safety technical specification for electric bicycle 1 Scope This document specifies the technical requirements for electric bicycles, such as bicycle marking, bicycle safety, mechanical safety, electrical safety, fire retardancy, plastic ratio, Beidou positioning function, communication and dynamic safety monitoring, anti- tampering, instruction manual, enterprise quality assurance capability, product consistency; describes the corresponding test methods. This document applies to electric bicycles. 2 Normative references The contents of the following documents constitute the essential terms of this document through normative references in the text. Among them, for dated references, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies to this document. 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 - 50 W 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 behavior - Oxygen index method GB/T 5455 Textile - Burning behavior - Determination of damaged length, afterglow time and after-flame time of vertically oriented specimens functions. 3.2 Abbreviations The following abbreviations apply to this document. PDOP. Position Dilution of Precision 4G. the 4th Generation mobile communication technology 5G. the 5th Generation mobile communication technology 4 General requirements 4.1 Electric bicycles shall not be dangerous in normal use, reasonably foreseeable misuse, malfunction. Dangers include but are not limited to the following situations. a) The heat generated causes material deterioration, fire or burns; b) Burning, explosion, electric shock, etc. during charging, driving, parking, etc.; c) Personal injury caused by the breakage, loosening, deformation, motion interference of the whole bicycle or parts. 4.2 The software and hardware of electric bicycles shall have anti-tampering design, to prevent unauthorized modification or change of the maximum speed, motor power, voltage, etc. 4.3 Unless otherwise specified, the testing equipment and instruments used in this document shall comply with the provisions of relevant standards such as GB/T 12742. The accuracy level of the instrument used to test electrical devices (except for withstand voltage testers and insulation resistance testers) shall not be lower than level 1; the ripple factor of the DC power supply shall not be greater than 5%. During the test, the capacity of the on-board battery pack shall not be less than 90% of its rated capacity. If riding-related tests are involved, such as 6.1.1, 6.1.2, 6.1.8, etc., the test conditions are. a) Road test environment. Temperature is -5 °C ~ 35 °C; wind speed is not more than 3 m/s; the test shall not be carried out in rainy or snowy weather; b) Test road surface. Flat asphalt or concrete road surface, the road surface shall be hard, without soft dust or gravel; the minimum friction coefficient between the dry road surface and the tire is 0.5; c) Bicycle speed detection equipment. Accuracy ±2%, resolution 0.1 km/h; d) The mass of the rider is 75 kg; the weight is increased to 75 kg if it is insufficient; e) The test bicycle is a fully assembled electric bicycle; f) The tire shall be fully inflated according to the maximum recommended pressure marked on the outer tire; the pressure deviation is ±10 kPa. 5 Bicycle marking 5.1 Nameplate The nameplate shall indicate the following information in Chinese. Product name, model, manufacturer name or trademark, production date/manufacturing date, battery type, etc. Note 1.Product name, such as electric bicycle, electric-assisted bicycle, etc. Note 2.Battery type, such as lead-acid battery, lithium manganese oxide battery, lithium iron manganese phosphate battery, lithium iron phosphate battery, sodium ion battery, etc. The nameplate shall also indicate the recommended service life, in the format of "The recommended service life of this bicycle is × years". Note 3.The recommended service life of electric bicycles is determined by the manufacturer, based on a comprehensive consideration of various factors such as the service life and aging rate of the main components and electrical circuits of the bicycle. Electric bicycles used for commercial activities such as urban logistics and commercial leasing shall be marked with "commercial" or the character " " on the nameplate. The content indicated on the nameplate shall be standardized, clear, durable, easy to identify. Use a cotton cloth dipped in water to wipe the nameplate for 15 s; then use a cotton cloth dipped in 75% (volume fraction) alcohol to wipe it for 15 s. After the test, the information shall be complete and clear; there shall be no curling. 5.2 Bicycle coding The unique bicycle coding of each electric bicycle shall be permanently marked on the The parts engraved with the bicycle code shall not be processed by grinding, patching, gasketing, etc. When observed from the top or front, there shall be no covering on the surface of a large enough area around the engraving area; if there is a covering, the surface of the covering shall be clearly marked with the words "bicycle code", meanwhile the covering can be directly removed, uncovered and restored without using any special tools, so that a large enough surface including the engraving area can be easily observed. If paint, coating, plating and other materials are used in the bicycle code engraving area, the height of the engraved font shall be greater than or equal to 4 mm before and after engraving, which shall be clearly visible. The bicycle code shall be marked with high temperature resistant permanent marking. Put the sample of the engraved area into a heating furnace at (950 ± 10) °C; keep it at this test temperature for 0.5 h. Then take out the specimen and cool it naturally to room temperature in the air. After the test, the bicycle code shall be clearly visible. If the bicycle frame is made of materials that are not resistant to high temperatures, such as aluminum alloy, magnesium alloy, etc., the code shall be engraved on the frame of the whole bicycle; the same code shall be engraved with high-temperature resistant materials within 5 cm from the edge of the code and fixed on the frame. 5.3 Motor code The motor code shall at least include information on the motor power and rated voltage; it shall be permanently engraved on the motor housing and shall be easy to observe and read. 5.4 License plate installation position The rear of the electric bicycle shall have a convenient location for installing the license plate, which shall have 2 mounting holes and the center spacing shall be 80 mm. 5.5 Product certificate The product certificate shall clearly indicate the product name, model, manufacturer or trademark, manufacturer and address, production date/manufacturing date, bicycle code, motor code, drive mode (electric drive and/or electric power), maximum design speed, bicycle mass, motor power and rated voltage, battery type, length/width/height, front and rear wheel center distance, nameplate fixing position, bicycle code position, recommended service life, other information, whether it is used for business activities such as urban logistics or commercial leasing, as well as bicycle photos, etc. Note. Other information such as China Compulsory Certification (CCC) certificate number, etc. The above information shall be indicated in the product certificate using a QR code, where the QR code shall comply with the provisions of GB/T 18284. 6 Safety requirements and test methods 6.1 Bicycle safety 6.1.1 Speed limit 6.1.1.1 Speed limit requirements The speed limit of elec.......Source: https://www.ChineseStandard.net/PDF.aspx/GB17761-2024 |