GB/T 39585-2020 English PDF

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GB/T 39585-2020: Opto-electronic measurement - Performance requirements and test methods of light distribution measurement system
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Basic data

Standard ID: GB/T 39585-2020 (GB/T39585-2020)
Description (Translated English): Opto-electronic measurement - Performance requirements and test methods of light distribution measurement system
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L50
Classification of International Standard: 17.180.99
Word Count Estimation: 23,246
Date of Issue: 2020-12-14
Date of Implementation: 2021-07-01
Quoted Standard: GB/T 2900.65-2004; GB/T 26184-2010; J7F 1032-2005; ISO/CIE 19476-2014; CIE S 017/E-2011
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the performance requirements, testing requirements and testing methods of the photometric test system. This standard applies to light distribution test systems used in traffic, signal indication, lighting and other fields, and light distribution test systems for other purposes can be used as a reference.

GB/T 39585-2020: Opto-electronic measurement - Performance requirements and test methods of light distribution measurement system

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Photoelectric measurement Performance requirements and detection methods of photometric test systems) ICS 17:180:99 L50 National Standards of People's Republic of China Photoelectric measurement Performance requirements and detection methods of light distribution test system 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Performance requirements 4 4:1 Light intensity measurement repeatability 4 4:2 Illumination error 4 4:3 Light intensity indication error 4 4:4 Stability of light intensity measurement 4 4:5 Indexing error of turntable 4 4:6 Linearity error 4 4:7 Wavelength indication error 5 4:8 Wavelength measurement repeatability 5 4:9 Indication error of total luminous flux 5 4:10 Correlated color temperature and chromaticity coordinate indication error 5 4:11 V(λ) mismatch error 5 4:12 Infrared response error 5 4:13 UV response error 5 4:14 Cosine characteristic (directional response) error 5 5 Testing requirements 5 5:1 Test conditions 5 5:2 Standards and related equipment for testing 5 6 Detection method 6 6:1 Repeatability of light intensity measurement 6 6:2 Illumination error 7 6:3 Error of light intensity indication 8 6:4 Stability of light intensity measurement 8 6:5 Indexing error of turntable 8 6:6 Linearity error 9 6:7 Wavelength indication error 9 6:8 Repeatability of wavelength measurement 10 6:9 Indication error of total luminous flux 10 6:10 Correlated color temperature and chromaticity coordinate indication error 11 6:11 V(λ) mismatch error 11 6:12 Infrared response error 12 6:13 UV response error 12 6:14 Cosine characteristic (directional response) error 12 Appendix A (informative appendix) Photometric coordinate system of lamps 13 Appendix B (informative appendix) Determine the light source and filter used for infrared response error and ultraviolet response error 17 Reference 19

Foreword

This standard was drafted in accordance with the rules given in GB/T 1:1-2009: Please note that certain contents of this document may involve patents: The issuing agency of this document is not responsible for identifying these patents: This standard was proposed by the Chinese Academy of Sciences: This standard is under the jurisdiction of the National Standardization Technical Committee for Photoelectric Measurement (SAC/TC487): Drafting organizations of this standard: Guangzhou Institute of Metrology and Testing Technology, China Academy of Metrology, Hangzhou Yuanfang Optoelectronics Information Co:, Ltd: Division, Xi’an Institute of Applied Optics, Zhejiang Tricolor Optoelectronics Technology Co:, Ltd:, Institute of Microelectronics, Chinese Academy of Sciences, Guangdong Province Zhongliang Inspection Co:, Ltd: Company, Institute of Aerospace Information Innovation, Chinese Academy of Sciences, Hangzhou Tongshang Optoelectronics Co:, Ltd:, Nanjing University of Aeronautics and Astronautics, Guangzhou Eton Optical Design Technology Co:, Ltd:, Guangzhou Institute of Quality Supervision and Inspection, Guangdong Institute of Standardization, Guangdong Institute of Product Quality Quantitative Quality Inspection Research Institute, Shenzhen Institute of Standards and Technology, Foshan Nanhai District Semiconductor Lighting Standard Alliance Promotion Association: The main drafters of this standard: Wang Liwen, Liu Hui, Pan Jiangen, Huang Feng, Li Qian, Yu Jiandong, Chen Cong, Yang Pengli, Liu Zilong, Cai Zhe, Liu Tao, Yuan Liang, Zhou Weihu, Yuan Linguang, Hu Sujun, Zhan Chunlian, Lu Yonghong, Wang Haitao, Luo Tao, Li Zili, Yang Zhaoxin, Dai Kunpeng, Zhong Guohua, Chen Haibo, Shao Guangjia, Huang Jixiong, Yang Ge, Li Xiangzhao, Xie Pan: Photoelectric measurement Performance requirements and detection methods of light distribution test system

1 Scope

This standard specifies the performance requirements, testing requirements and testing methods of the photometric test system: This standard applies to light distribution test systems used in traffic, signal indication, lighting and other fields, and light distribution test systems for other purposes can be referred to use:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: GB/T 2900:65-2004 Electrician terminology lighting GB/T 26184-2010 Measurement method of absolute luminous intensity distribution JJF1032-2005 Terms and Definitions of Optical Radiation Metrology ISO /CIE19476:2014 Illuminance meter and luminance meter performance characterization method (Characterization of the performance of iluminancemetersandluminancemeters) CIES017/E:2011 International Lighting Vocabulary (ILV: International Lighting Vocabulary)

3 Terms and definitions

GB/T 2900:65-2004, GB/T 26184-2010, JJF1032-2005, ISO /CIE19476:2014, CIES017/E: The terms and definitions defined in:2011 and below apply to this document: 3:1 Light distribution test system lightdistributionmeasurementsystem A system that measures the light or color measurement changes with the angle of space: Note 1: The light distribution test system usually includes a turntable system, a photometric probe, a sensor, and a measurement signal processing system: Among them, the turntable system is used for supporting and The mechanical structure of the measured luminous body and the detector; the photometric probe usually includes the detector, the International Commission on Illumination (CIE) photopic spectrum optical efficiency V(λ) correction filter and related additional components (aperture, diffuser, amplifier, etc:): Note 2: Refer to Appendix A for the photometric coordinate system of the measured luminous body (for example: lamps): 3:2 Correlated colour temperature; CCT In u', 3ν' The coordinate system (based on the CIE1931 standard chromaticity observer) depicts the chromaticity coordinates of the Planck radiator and the measured light source: The temperature of the Planck radiator when the chromaticity coordinates of the Planck radiator are closest to the measured light source: Note 1: The unit is Kelvin (K): Note 2: If the chromaticity difference between the measured light source and the Planck radiator exceeds ΔC = u't-u'p() 2 4 ν't-ν'p() 2/9[] 1/2=5 ×10-2 is not used Using the concept of correlated color temperature, u't and ν't are the chromaticity coordinates of the measured light source, and u'p and ν'p are the chromaticity coordinates of the Planckian radiator: Note 3: The calculation of correlated color temperature can be performed by a simple computer program that finds the minimum value to search for the minimum chromaticity difference between the Planck radiator trace and the measured light source To obtain the temperature of the Planckian radiator: Or realize the "calculation of correlated color temperature and distribution temperature" by the method recommended by reference [4]: Note 4: Rewrite CIES017/E:2011, definition 17-258: ......

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