LED单颗灯珠62471问题？

bossingyang

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根据62471定义，单颗灯珠到底是按普通照明还是非普通照明来测光生物污染？
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# m9 G4 j7 {  o; h7 i& E如果按普通照明GLS，测试应该在500Lx条件下。如果灯珠亮度达不到500Lx怎么办？
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大家都来说说？
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jsspace

如果产品无法达到500LX，那么就在20厘米的间隔做测试

bossingyang

咨询了几家机构，大部分都是说500lx，不过IEC 62471-2中有描述，单独LED因不确定最终是否用于照明，建议在200mm距离下测量:
Although IEC 62471 is primarily a horizontal standard, it provides application-related requirements. Specifically, sources that are exclusively used for general lighting service (GLS) should not be assessed by application of the worst case measurement distance of 200 mm, as is to be applied to all other sources. In these cases, "…the hazard values shall be reported as either irradiance or radiance values at a distance which produces an illuminance of 500 lux…For all other light sources or lamp systems, including pulsed lamp sources, the hazard values shall be reported at a distance of 200 mm…“  (500 lux is a typical minimum visual task lighting level in offices or at workshop benches).  However, in many cases a lamp manufacturer may not know whether a specific lamp will be used for general lighting purposes and the categorisation of single lamps or LEDs should be performed at a distance of 200 mm. The 500 lux requirement is mainly related to the final luminaire. Additionally, the application of this requirement to single lamp is usually not meaningful, since lamps will be combined with other lamps (e.g. in an array) or attached to beam-shaping optics, etc. Thus, the required illuminance measurement of the final GLS-source takes into account contributions of the whole luminaire. Unlike the measurements for risk group classification, the acceptance angle for the illuminance measurement of GLS-sources should not be limited.
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bossingyang

一份灯珠在200mm测试的例子仅供参考 (注文档取之网络，用之论坛)。

zcz

学习啦

bossingyang

对于大功率的COB封装的光源（仅光源），通常测试62471时是用200 mm测试还是 500lx测试？大家都是怎么执行的？

tienwei2005

学习啦

237155238

应该按照比较严厉的条件测试吧