Specification for Motors for Electric-Bicycle and Similar Purpose
1 Scope
This standard specifies the classification, type, basic parameters and dimensions, technical requirements, test methods, inspection rules and requirements for marking, packaging, storage and transportation of motors for electric bicycle and similar purpose (with battery as power drive or auxiliary drive).
This standard is applicable to motors for electric bicycle and similar purpose (with battery as power drive or auxiliary drive) running on road or site (hereinafter referred to as motors) and may also apply to motors derived from this series for reference.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB 755 Rotating Electrical Machines - Rating and Performance (GB 755-2000, idt IEC 60034-1:1996)
GB/T 1311 Test Procedure for Direct Current Machines (GB/T 1311-1989, neq IEEE 113:1973)
GB/T 2423.1 Environmental Testing for Electric and Electronic Products - Part 1: Test Methods - Test A: Cold (GB/T 2423.1-2001, idt IEC 60068-2-1:1990)
GB/T 2423.2 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Tests B: Dry Heat (GB/T 2423.2-2001, idt IEC 60068-2-2:1974)
GB/T 4942.1 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP code) C Classification (GB/T4942.1-2006, IEC 60034-5:2000, IDT)
GB/T 7345 General Requirements for Electrical Micro Machine for Automatic Control System (GB/T 7345-1994, neq ΓOCT l6264-10:1985)
GB/T 10069.1 Measurement of Airborne Noise Emitted by Rotating Electrical Machines and the Noise Limits - Part 1: Method for the Measurement of Airborne Noise Emitted by Rotating Electrical Machines (GB/T 10069.1-2006, ISO 1680:1999, IDT)
GB/T 12665 Requirements of Damp-heat Testing of Electrical Machine for Service in General Environmental Condition
GB 14711-2006 Safety Requirements of Small and Medium Size Rotating Electrical Machines
JB/T 9615.1 Test Methods of the Interturn Insulation on Random Wound Winding for AC Low-voltage Machines
JB/T 9615.2 Test Limits of the Interturn Insulation on Random Wound Winding for AC Low-voltage Machines
QC/T 211 Test Method for the Light Alloy Wheels of Motorcycle and Moped
3 Terms and Definitions
For the purposes of this standard, the following terms and definitions apply.
JB/T 10888-2008 The following standards are cited：
