GB/T 31887.5-2023 Cycles - Lighting and retro-reflective devices - Part 5: Lighting systems not powered by the cycle’s movement
1 Scope
This document specifies requirements and test methods for the performance of lighting systems not powered by the cycle’s movement. It applies to light devices complying with GB/T 31887.1-2019. Lighting systems include lighting devices and power not supplied by cycle’s movement such as battery.
This document is applicable to lighting systems used on cycles intended to be used on public roads and, especially, bicycles complying with ISO 4210-2 and ISO 8098.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 31887.1-2019 Cycles - Lighting and retro-reflective devices - Part 1: Lighting and light signalling devices
ISO 6742-1 Cycles - Lighting and retro-reflective devices - Part 1: Lighting and light signalling devices
ISO 9227 Corrosion tests in artificial atmospheres - Salt spray tests
IEC 60086 (all parts) Primary batteries
IEC 60529 Degrees of protection provided by enclosures (IP Code)
IEC 61960 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary lithium cells and batteries for portable applications
IEC 62133 Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 6742-1 and the following apply.
3.1
integrated lamp and power source
system including power source and at least one type of light designed to be used together
3.2
lamps and interchangeable power source
open system
system working with a power source corresponding to the properties specified by the light manufacturer
3.3
lamps and dedicated power source
closed system
system including the power source specified by the light manufacturer
3.4
battery pack
cell assembly, battery management system and casing designed or specified by light manufacturer
4 Lamps and interchangeable power source
4.1 General
The complete system shall be designed as closed system which does not have compatibility between lamps and power source.
4.2 Requirement
When tested by the method described in 7.1 and 7.3, lamps with interchangeable power source shall correspond with the requirements of Clause 6 and GB/T 31887.1-2019, Clause 4.
