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GB 4599-2024: Road illumination devices and systems for motor vehicles Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 4599: Historical versions
GB 4599-2024: Road illumination devices and systems for motor vehicles---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB4599-2024GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.20 CCS T 38 Replacing GB 4599-2007, etc. Road illumination devices and systems for motor vehicles Issued on. SEPTEMBER 29, 2024 Implemented on. JULY 01, 2025 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 4 1 Scope... 6 2 Normative references... 6 3 Terms and definitions... 7 4 Determination of identical types... 8 5 General requirements... 9 6 Light source requirements... 10 7 Light color requirements... 11 8 Light distribution performance... 11 9 Light distribution stability of devices or systems (except corner lamps)... 26 10 Devices or systems equipped with LED modules or laser light source modules (except corner lamps)... 27 11 Material test and complete headlamp test with plastic lens (except corner lamps) 30 12 Test requirements and methods... 33 13 Inspection rules... 39 14 Implementation of standards... 42 Appendix A (Normative) Voltage and reference center marking (applicable to headlamps and front fog lamps)... 43 Appendix B (Normative) Spherical coordinate system... 44 Appendix C (Normative) Aiming and quality requirements for the cut-off line of headlamps... 46 Appendix D (Normative) Aiming and quality requirements for the cut-off line of front fog lamps... 51 Appendix E (Normative) Light distribution performance stability test for devices or systems (except corner lamps)... 53 Appendix F (Normative) Lighting method for light distribution stability test... 60 Appendix G (Normative) Tests for LED modules or laser light source modules and devices or systems equipped with LED modules or laser light source modules (except corner lamps)... 64 Appendix H (Normative) Tests for plastic lenses and their materials and whole lamps (except corner lamps) for lighting devices... 66 Appendix I (Normative) Test sequence for complete headlamps, lenses or material samples for devices or systems with plastic lenses... 70 Appendix J (Normative) Measurement methods for diffuse light and transmitted light ... 72 Appendix K (Normative) Mechanical wear test methods... 75 Appendix L (Normative) Adhesion test of adhesive tape... 77 Appendix M (Normative) Luminous flux test method for LED modules or laser light source modules... 781 ScopeThis document specifies the same type determination, overall requirements, light source requirements, light color requirements, photometric performance, photometric stability, test methods and inspection rules for road illumination devices and systems for motor vehicles. This document applies to the design, manufacture and acceptance of road illumination devices and systems such as passing beam, driving beam, front fog lamps, corner lamps, etc. used in M and N category vehicles.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document. GB 4785, Prescription for installation of the external lighting and light-signalling devices for motor vehicles and their trailers GB/T 43081-2023, Lamps and light sources for road vehicles - Dimensional, electrical and luminous requirements IEC 60825-1.2014, Safety of laser products - Part 1.Equipment classification and requirements3 Terms and definitionsFor the purpose of this document, the following terms and definitions, as well as those given in GB 4785, apply. 3.1 road illumination device A unit or group of units used to illuminate the road and objects in the direction of the vehicle's advance to achieve one or more functions. 3.2 road illumination system A system – consisting of left and right side units or unit groups and a controller – used to illuminate the road and objects in the direction of the vehicle's advance. 3.3 lighting unit The light-emitting component of the system, which provides a light beam for one or more road lighting functions of the system. 3.4 installation unit An inseparable housing (lamp body) containing one or more lighting units. 3.5 neutral status The system is in use without any adaptive control signal input.4 Determination of identical typesDevices that do not differ in the following main features are considered to be of the same type.5 General requirements5.1 Beam adjustment device 5.2 Beam switching device The device used to switch the light beam in the device or system shall meet the following requirements. 5.3 Marking of device or system 5.3.1 The lamp body of the device or system shall be marked with the rated voltage. Devices or systems that are applicable only to 12 V rated voltage systems or only to 24 V rated voltage systems shall comply with the provisions on voltage marking in Appendix A. 5.4 Reference center marking The device or system shall be marked with the reference centre, and the marking method shall comply with the provisions of Appendix A. If two driving beam headlamps are installed on each side of the vehicle, each driving beam headlamp shall be marked separately. 5.5 Driver assistance projection function requirements6 Light source requirements6.1 Replaceable light source 6.2 Non-replaceable light source 6.2.1 For light sources that can only be replaced as a whole with the device or installation unit, filament light sources or gas discharge light sources shall not be used. This requirement does not apply to corner lights. 6.2.2 Headlamps may use LED modules or laser light source modules. If laser light source modules are used, the passing beam and driving beam shall comply with the requirements of 4.4 of IEC 60825-1.2014 and the requirements of BLH-C of IEC 62471-7.2023.Laser modules are not allowed to be used in front fog lamps and corner lamps. 6.2.3 The LED modules or laser light source modules used in the device or system shall be able to prevent misoperation and their design shall comply with.7 Light color requirementsThe light color of the device and system shall be white, and the light color of the front fog lamp can also be selectively yellow. The chromaticity characteristics shall comply with the relevant provisions of GB 4785.8 Light distribution performance8.1 General requirements All light distribution performance tests required by this document shall be carried out in the coordinate system specified in Appendix B. 8.2 Passing beam distribution performance 8.2.3 If the passing beam has an adaptive function, it shall comply with the provisions of Part A of Table 1 under the conditions of use specified by the applicant or manufacturer. Under the adaptive function state of the passing beam, when the driving speed is greater than 70 km/h, if it cannot meet the provisions of Part A of Table 1, its light distribution performance shall comply with the provisions of Part A of Table 2. 8.2.5 For the S50, S50LL, S50RR, S100, S100LL and S100RR test points, the front position lamps may be turned on during the test. 8.2.6 When using the passing beam adaptive function, it shall be possible to manually switch to the basic passing beam at any time. Manual switching is allowed between different adaptive systems. The beams within the same adaptive system shall be able to switch automatically. The same adaptive system shall include a basic passing beam mode. 8.5 Corner lamp light distribution performance 8.5.1 The test points of light intensity are expressed as angles relative to the datum axis. The coordinates and diagrams of all the following test points correspond to the device installed on the left side of the vehicle. For the device installed on the right side of the vehicle, the coordinates of the test points in the left and right directions need to be mirrored.9 Light distribution stability of devices or systems (except corner lamps)9.1 General According to the requirements of Appendix E, test the clean lamp, dirty lamp and changes in the vertical position of the cut-off line under the influence of heat. The test results shall meet the requirements of 9.2 ~ 9.4. 9.2 Clean lamp light distribution performance stability 9.2.1 Once the sample has stabilized to ambient temperature, a clean damp cotton cloth shall be used to clean its lens. Visual inspection shall be carried out to find no obvious deformation, distortion, cracks or discoloration of the lens. 9.3 Dirty lamp light distribution performance stability After the dirty lamp test is carried out according to E.2.2 in Appendix E, the test results shall meet the requirements of 9.2. 9.4 Changes in the vertical position of the cut-off line under the influence of heat 9.4.3 Calculate the average value of the two tests Δr' = (ΔrⅠ +ΔrⅡ)/2.If Δr' does not exceed the limit given in Table 12, it is considered to meet the requirements. 10 Devices or systems equipped with LED modules or laser light source modules (except corner lamps) 10.1 General requirements 10.2 UV (ultraviolet) components UV component KUV of the light emitted by the low-UV LED module or laser light source module shall be calculated according to Formula (1), and KUV shall not be greater than 10-5 W/lm. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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