GB/T 26846-2024 Lead-out wire and connector of motor and controller used for electric bicycles
1 Scope
This document specifies the general rules, electrical performance, mechanical performance, environmental performance, and other requirements for the lead-out wires and connectors of motor and controller used for electric bicycles, describes the testing equipment and instruments, as well as the corresponding test methods, specifies the requirements for inspection rules, marking, packaging, transportation, and storage, and defines terms and definitions that are convenient for technical regulations, provides the product structure.
This document applies to the design, production, inspection, and sales of the lead-out wires and connectors of motor and controller used for electric bicycles included in the aid bicycles defined in QB/T1714.
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 191 Packaging - Pictorial marking for handling of goods
GB/T 2423.5 Environmental testing - Part 2: Test methods - Test E and guidance: Shock
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ka: Salt mist
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 4208 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 12742 The specifications of testing equipment and measuring appliance for bicycle
GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers)
GB 42,295 Safety requirement for electric bicycles electrical
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
lead-out wire
cables connecting motors, controllers, and connectors
3.2
connector
combination of terminals, sheaths, and their accessories used to achieve electrical connections
3.3
plug
connector consisting of a connector housing and a terminal, which can be inserted into a socket to connect electricity
3.4
socket
connector consisting of a connector housing and a terminal, which can accept a plug to connect electricity
3.5
terminal
metal parts for realizing electrical connection
3.6
connector housing
insulator for installing terminal
3.7
main circuit
circuit for driving a motor by transmitting power electric energy at the output end of a battery system to drive motor
[Source: QB/T 5886-2023, 6.3.2]
3.8
control circuit
circuit consisting of signal lines of a motor and a controller
4 Product structure
4.1 Lead-out wire structure
4.1.1 Single-core cable
See Figure 1 for the structure of single-core cable, and the dimensions and specifications shall meet those specified in Table 1.
Key:
1——Copper conductor;
2——Insulator.
Figure 1 Schematic diagram for single-core cable structure
Contents Foreword i 1 Scope 2 Normative References 3 Terms and definitions 4 Product structure 5 Requirements 6 Test methods 7 Inspection rules 8 Packaging, marking, transportation and storage Annex A (Informative) Color definition for lead-out wires of motor and controller Annex B (Normative) Requirements for the cross-section at the crimping point of terminal and conductor and the crimping juncture Bibliography
