GB 17510-2025 Light-signalling devices for motorcycle sand mopedsLight-signalling devices for motorcycle sand mopeds
1 Scope
This document specifies the determination of the same type, general requirements, photometric requirements, tests and inspection rules for light-signalling devices for motorcycle sand mopeds.
This document is applicable to the design, manufacture and acceptance of front position lamps, rear position lamps, stop lamps, direction-indicator lamps, reverse lamps and rear license plate lighting devices for categories L1 to L5 vehicles.
2 Normative references
The following normative documents contain provisions 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 4785 Prescription for installation of the external lighting and light-signalling devices for motor vehicles and their trailers
GB 18100 Provisions for the installation of lighting and light-signalling devices for motorcycles and mopeds
UN R37 Uniform provisions concerning the approval of filament lamps for use in approved lamp units of power-driven vehicles and of their trailers
UN R128 Uniform provisions concerning the approval of lightemitting diode (LED) light sources for use in approved lamp units on power-driven vehicles and their trailers
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB 4785 and GB 18100 and the following apply.
3.1
light-signalling device
a unit or a group of units used to send light signals to other road users, indicating the presence of a vehicle or a change in its motion state, to achieve one or more functions
Note: It is referred to as "device" in this document, including one or more of front position lamp, rear position lamp, stop lamp, direction-indicator lamp, reversing lamp and rear license plate lighting device.
4 Determination of the same type
Light-signalling devices that do not differ in the following main characteristics shall be deemed to be of the same type:
— the manufacturer;
— device model
— the number, type, lighting principle and light source module structure of replaceable or non-replaceable light sources used;
— the number and structure of main optical elements (e.g. reflectors, lamp lens, light conductor and variable luminous intensity control gear).
— device category.
5 General requirements
5.1 General
5.1.1 Devices shall be so designed and made that they shall be able to meet the service requirements and comply with this document under normal service conditions though subjected to vibration.
g photometric and chromaticity requirements.
Foreword II
1 Scope
2 Normative references
3 Terms and definitions
4 Determination of the same type
5 General requirements
6 Photometric requirements
7 Tests
8 Inspection rules
9 Implementation of this standard
Annex A (Normative) Range of photometric angle
Annex B (Nominative) Luminous intensity distribution
