Electric bicycles-General
Technical requirements
GB17761-1999
Foreword
The standards apply to the battery as a supplementary energy, with two wheels, able to realize man-made cycling, electric or electric assist bicycles special actuating functions. The technical content of standards, including vehicle's main technical performance requirements, vehicle safety requirements, vehicle assembly requirements, vehicle appearance of the requirements of road vehicle requirements and specification requirements.
The standard technical requirements for the maximum speed of 5.1.1, 5.2.1 braking performance, 5.2.2 Frame / fork combination of strength for the mandatory provisions; the remaining provisions of the technical requirements are recommended.
Since the implementation of the standard date, China Light Industry Association released the original light standards QB/2302-1997 "electric bicycle safety general technical conditions" void.
The standards are the standards in Appendix A Appendix.
This standard by the National Standardization Technical Committee Bicycle centralized.
The drafting of the standard units: Shanghai Institute of Bicycle Group.
The main drafters of this standard:
1, the scope of
This standard provides the definition of electric bicycle, product classifications, technical requirements, test methods and inspection rules. This standard applies to electric bicycle.
2, reference standards
The following criteria contained in the provisions of the passage of this standard reference and constitute the provisions of this standard. Time of publication of this standard, as shown in versions are valid. All of the standard will be amended to use the standards of the parties should explore the possibility of using the following criteria, according to the latest version of the possibility.
GB3565-1993 Bicycle safety requirements
GB/T3566-1993 bike assembly requirements
Bicycle GB/T12742-1991 Detect technical condition of equipment and utensils
Bicycle QB/T1217-1991 electroplating technology
QB/T1218-1991 bike paint technical conditions
Bicycle QB/T1714-1993 name and model of the compilation method
QB/T1880-1993 bike frame
QB/T2184-1995 pieces of anodized aluminum alloy bike technical conditions
QB/T2191-1995 bicycle reflector
3, the definition of
The criterion used by the following definitions
Electric bicycle electric bicycle
To the battery as a supplementary energy, has two wheels, able to realize human cycling, electric or electric assist bicycles special features.
4, Product Category
4.1 Classification principles and code
Electric bicycle wheel by the motor and transmission means between the two:
Shaft drive, code-named Z;
Chain drive, code-named L;
Belt transmission, code-named P; friction drive, code-named M;
Other drive, code-named Q.
4.2 Model methodology
Electric bicycle models methodology should be QB/1717-1993 the provisions of Chapter 5, and known as TD.
Type of electric bicycle, wheel diameter and the code shown in Table 1.
Wheel diameter mm Series
Type code 710 660 610 560 510 455 405
Men's A E G K M O Q
Women's B F H L N P R
Electric bicycle models express examples:
Wheel diameter is 560mm, F-type frame, shaft drive, factory design, order No. 15 of the electric bicycle, the model should be: TDL5Z
TD --- Electric Bike L --- M-type tractors and wheel diameter of 56 mm 15 --- plant design sequence number axis transmission Z ---
4.3 The main technical parameters and performance
Electric bicycle main technical parameters and performance indicators set see Appendix A (standard appendix).
In addition to the standards already laid down in the projects, the remaining items, selected by the manufacturing plant on its own.
5, the technical requirements
5.1 Overall the main technical performance requirements
5.1.1 the maximum speed
Electric bicycle is not greater than the maximum speed 20km / h.
5.1.2 Overall quality (weight)
Electric bicycle vehicle mass (weight) should be not more than 40kg.
5.1.3 the capacity of foot traffic
Electric bicycle must have a good functional foot ride, 30min away from the foot traffic should not be less than 7 km.
5.1.4 continued line mileage
A rechargeable electric bike continued after the trip mileage should be not less than 25 km.
5.1.5 Maximum Ride noise
Electric bicycle to the maximum speed for electric uniform when riding (to help move the electricity to 15 km/h--18 km / h speed electric assist cycling action) the noise should not be greater than 62dB (A).
5.1.6 Electricity consumption of 100 kilometers
With electric ride electric bicycle (electric help electric help moving to dynamic cycling), 100 km of power consumption should be not more than 1.2kw.h.
5.1.7 Motor Efficiency
Electric bicycle motor rated continuous output power should be not more than 240W.
5.2 Vehicle safety requirements
5.2.1 Braking Performance
Electric bicycle to ride at maximum speed electric (electric-assisted to 20 km / h speed electric ride to help move), do state their braking distance should be not more than 4 m, wet braking distance should be not more than 15 m.
5.2.2 Frame / fork combination of intensity
5.2.2.1 Frame / fork assembly impact strength
a) heavy Down: GB3565-1993 in accordance with the provisions of 7.1;
b) assembly Down: GB3565-1993 in accordance with the provisions of 7.2.
5.2.2.2 Frame / fork assembly vibration intensity
According to QB1880-1993 5. 4.2 male, female frame requirements.
5.2.3 handlebar
5.2.3.1 the riser safety line
GB3565-1993 in accordance with the provisions of 6.2.
5.2.3.2 the riser torque
GB3565-1993 in accordance with the provisions of 6.5.
5.2.3.3 the riser static load
According to GB3565 - 1993 in the provisions of 6.5.
5.2.3.4 the horizontal pipe and the riser of torque.
According to GB3565 - 1993 in the provisions of 6.5.
5.2.3.5 the riser and riser torque fork
According to GB3565 - 1993 in the provisions of 6.5.
5.2.4 wheels
5.2.4.1 static wheel load
GB3565-1993 in accordance with the provisions.
5.2.4.2 Wheel Clamping Force
GB3565-1993 in accordance with the provisions of 9.4.
5.2.4.3 tire width
Electric bicycle wheels, tires should not be greater than the width of 45mm.
