GB 5590-1985
Replaced
GB/T 3836.22-2023
Active
National standards
GB/T 3836.22-2023 Explosive atmospheres—Part 22:Protection of equipment and transmission system using optical radiation
GB/T 3836.22-2023 Explosive atmospheres—Part 22:Protection of equipment and transmission system using optical radiation
Basic Information
Standard Code:
GB/T 3836.22-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Explosion-proof electrical appliances
ICS Name:
Electric equipment for use in explosive environments
Publish Date:
2023-12-28
Implement Date:
2024-07-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国防爆电气设备标准化技术委员会(SAC/TC 9)
Pages:
32 pages
Scope
本文件规定了爆炸性环境用发出光辐射的设备的要求、试验和标志，也包括位于爆炸性环境之外或由GB/T 3836.1中列出的防爆型式保护，但产生的光辐射会进入爆炸性环境的设备。本文件包括Ⅰ类、Ⅱ类和Ⅲ类以及EPL Ga、Gb、Gc、Da、Db、Dc、Ma和Mb。
本文件适用于波长范围为380 nm～10 μm的光辐射。包括下述的点燃机理。
——表面或颗粒吸收光辐射后，温度升高，在某些条件下，会达到点燃周围爆炸性环境的温度。
——在罕见特殊情况下，强光束聚焦处激光直接击穿气体，产生等离子和冲击波，二者最终成为点燃源。接近击穿点的固体材料会加剧这个过程。
Development Information
Drafting Units:
南阳防爆电气研究所有限公司、上海仪器仪表自控系统检验测试所有限公司、中创新海(天津)认证服务有限公司、上海市质量监督检验技术研究院、华荣科技股份有限公司、中煤科工集团常州研究院有限公司、安标国家矿用产品安全标志中心有限公司、衡阳合力工业车辆有限公司、合隆防爆电气有限公司、深圳市特安电子有限公司、燎原控股集团有限公司、上海宝临防爆电器有限公司
Drafting Persons:
王巧立、徐建平、张刚、殷红、龚范昌、赵宏、王金辉、徐建文、郑天际、曾昆雷、周果、张胜余、董姝、李向应、翁振克
Replace the following standards
Referenced Standards
GB/T 2900.35-1998 Electrotechnical terminology electrical apparatus for explosive atmospheres
GB/T 2900.35-2008 Electrotechnical terminology Equipment for explosive atmospheres
GB/T 2900.35-2023 Electrotechnical terminology—Explosive atmospheres
GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements
GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements
GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements
GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres—Part 3:Increased safety “e”
GB 3836.3-2010 Explosive atmospheres—Part 3:Equipment protection by increased safety "e"
GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e”
GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres—Part 4:Intrinsic safety“i”
GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i"
GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i”
GB/T 14733.12-1993 Terminology for telecommunications—Optical communication
GB/T 14733.12-2008 Terminology for telecommunication—Optical communication
Adopt standards
IEC 60079-28:2015
Related Standards
GB 3836.9-1990
Replaced
GB 3836.9-1990 Electrical apparatus for explosive atmospheres Encapsulated electrical apparatus "m"
GB 3836.11-1991
Replaced
GB 3836.11-1991 Electrical apparatus for explosive atmospheres-Method of test for ascertainment of maximum experimental safe gap
GB 3836.12-1991
Replaced
GB 3836.12-1991 Electrical apparatus for explosive atmospheres—Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
GB 3836.13-1997
Replaced
GB 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres
MT 703-1997
Replaced