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GB/T 37958-2019: Requirements of optical radiation safety for active lighting units of video surveillance systems
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Requirements of optical radiation safety for active lighting units of video surveillance systems
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GB/T 37958-2019
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Basic data | Standard ID | GB/T 37958-2019 (GB/T37958-2019) | | Description (Translated English) | Requirements of optical radiation safety for active lighting units of video surveillance systems | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L51 | | Classification of International Standard | 31.260 | | Word Count Estimation | 26,243 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37958-2019: Requirements of optical radiation safety for active lighting units of video surveillance systems
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Requirements of optical radiation safety for active lighting units of video surveillance systems
ICS 31.260
L51
National Standards of People's Republic of China
Video surveillance system active lighting components
Optical radiation safety requirements
Published on.2019-08-30
2020-03-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 3
5 Hazard categories and assessment requirements 3
5.1 Hazard Category Classification 3
5.2 Emission limit 4
5.2.1 Continuous emission fill light 4
5.2.2 Pulse fill light 4
5.3 Evaluation Requirements 6
5.3.1 General Rules 6
5.3.2 Spectral weighting function 6
5.3.3 Safety distance 6
5.3.4 Dangerous distance 6
5.3.5 Evaluation Scheme 6
6 Control measures 7
6.1 General 7
6.2 Engineering Control Measures 7
6.2.1 Product Development 7
6.2.2 Product use 7
6.3 Safety Notification Requirements 8
6.3.1 General requirements 8
6.3.2 Instruction Manual 8
6.3.3 Instructions and packaging markings 8
6.3.4 Product Identification 9
Appendix A (Normative) Irradiance or radiance calculation formula for hazard type 11
Appendix B (Normative Appendix) UV Hazard Assessment Spectral Weighting Function 13
Appendix C (Normative) Retinal Hazard Assessment Spectral Weighting Function 14
Appendix D (informative) Evaluation of disability glare for supplemental lights for motor vehicles
Reference 19
Figure 1 Pulse Duration Application Example 3
Figure 2 Example 1 of the warning light label on the hazardous fill lamp manual and package 9
Figure 3 Example 2 warning signs on the hazard fill light manual and package 9
Figure 4 Example of warning signs on the 3rd type of hazardous fill lamp instructions and packaging
Figure 5 Example of warning sign on a type 1 hazardous fill light product
Figure 6 Example of warning sign on type 2 hazardous fill light products 10
Figure 7 Example of warning sign on Class 3 hazardous fill light products 10
Figure D.1 Schematic diagram of disability glare formation Figure 16
Figure D.2 Calculation model for disability glare 18
Table 1 Emission limits for different hazard categories of continuous illumination fill lamps 4
Table 2 Emission limits for partial hazard types of pulse fill lamps 4
Table 3 LR emission limits 5
Table 4 C5 and α values for emission limit calculations 5
Table 5 αmax value of pulse duration correlation 5
Table 6 LIR emission limits 6
Table 7 Assessment hazard types required for different fill lights 6
Table 8 Control measures for different hazard categories under expected conditions of use 7
Table 9 List of safety notification information for each hazard class fill light
Table B.1 UV hazard assessment spectral weighting function 13
Table C.1 Retinal hazard assessment spectral weighting functions B(λ) and R(λ) 14
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This standard was proposed by the China Machinery Industry Federation.
This standard is under the jurisdiction of the National Technical Committee for Standardization of Optical Radiation Safety and Laser Equipment (SAC/TC284).
This standard was drafted. The Third Institute of the Ministry of Public Security, Fujian Provincial Product Quality Inspection Institute, Zhejiang Sanse Optoelectronic Technology Co., Ltd., Hangzhou
Hikvision Digital Technology Co., Ltd., Zhejiang Dahua Technology Co., Ltd., Shandong Shenyi Electronics Co., Ltd., Shanghai
Institute of Metrology and Testing Technology, the 11th Research Institute of China Electronics Technology Group Corporation.
The main drafters of this standard. Tang Qiang, Cheng Yunfei, Xu Qiaoyun, Qiao Bo, Cheng Guangwei, Xu Lu, Yang Kun, Ding Naiying, Fang Guiming, Xi Xin,
Chen Daming, Xia Ming, Yan Yan.
Video surveillance system active lighting components
Optical radiation safety requirements
1 Scope
This standard specifies the general requirements, hazard categories, and assessment of optical radiation for active lighting components (hereinafter referred to as "fill light") of video surveillance systems.
Requirements and control measures.
This standard is applicable to the development, installation, maintenance and use of LEDs, xenon lamps and other fill lamps with emission wavelengths from.200nm to 1400nm. its
His type of fill light can be implemented with reference to this standard.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 20145-2006 Photobiosafety of lamps and lamp systems
GB/T 30117.2-2013 Photobiosafety of lamps and lamps - Part 2.
guide
GB/T 34075-2017 Optical lighting safety measurement method for LED products for general lighting
3 Terms and definitions
The following terms and definitions as defined in GB/T 20145-2006 apply to this document.
3.1
Video surveillance system active lighting components activelightingunitsofvideosurveilancesystems
Fill light
A fill light device for enhancing the effect of a video surveillance camera capturing an image.
Note 1. The fill light in this standard includes products integrated with video surveillance cameras and independent of video surveillance cameras.
Note 2. The fill light in this standard has two modes of operation. pulse emission and continuous emission. Their corresponding fill lights are called pulse fill light and continuous emission.
Fill light.
3.2
Reachable emission limit accessibleemissionlimit
AEL
The maximum possible light emission allowed within the specified category.
3.3
Up to light emission accessibleopticalemission
Under reasonable and foreseeable conditions of use, the human eye may be exposed to light radiation from a fill light.
Note. The available light emission can be compared to the emission limit to determine the hazard category of the fill light.
3.4
Opposite angle angularsubtense
The angle of view produced by the source of the view at the observer's eye or measurement point.
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