04实验和不确定度分析DraftA1.0-2023 1026LED总光通量标准灯检定规程

计量技术规范实验报告及不确定度LED总光通量标准灯检定规程实验报告及不确定度分析（2021.05.17）

实验目的使用副基准级别的LED总光通量标准灯（以下简称标准灯），对工作基准灯级别的LED总光通量标准灯（以下简称被测灯）进行检定，测试新制定的检定规程的可行性。实验地点及时间中国计量科学研究院昌平园区14号楼2007室。2021年05月17日。环境条件温度21℃，湿度50%。检定/校准设备检定装置由设备组成：副基准级别的LED总光通量标准灯组；球形光度计，由2.0m积分球，直流电源和电测仪表组成。检定/校准人： 校准人：赵伟强刘慧被检/校样品信息：被测灯是工作基准灯级别的LED总光通量标准灯。检定/校准方法及结果：检定方法见“LED总光通量标准灯”检定规程草稿。该检定实验原始记录如下：

灯号：GT158灯电流：90.00mA检定项目检定结果外观检查良好kv值0.06231V-1规范灯电压值66.3972V相关色温3961K稳定性-0.017%/100h规范灯电压下总光通量值1168.2lm备注灯号：GT159灯电流：90.00mA检定项目检定结果外观检查良好kv值0.06141V-1规范灯电压值66.4698V相关色温3959K稳定性-0.013%/100h规范灯电压下总光通量值1172.8lm备注灯号：GT162灯电流：90.00mA检定项目检定结果外观检查良好kv值0.05762V-1规范灯电压值66.4415V相关色温3939K稳定性-0.017%/100h规范灯电压下总光通量值1172.8lm备注7.1（a）外观检查依据规程，对三只被测灯进行了外观检查，结果良好。7.1（b）kv值的实验结果灯在点燃过程中的光电流和灯电压的关系数据，截取灯点燃60s后的数据，计算出kv如下：GT158GT159GT162运行时间/s探测器的光电流/A灯电压/V运行时间/s探测器的光电流/A灯电压/V运行时间/s探测器的光电流/A灯电压/V2.58.1096E-0767.056132.58.1770E-0767.13782.58.2394E-0767.37577.58.0351E-0766.865587.58.1027E-0766.94657.58.1743E-0767.188912.57.9792E-0766.7340212.58.0469E-0766.814512.58.1193E-0767.043617.57.9413E-0766.6477717.58.0092E-0766.728017.58.0768E-0766.935922.57.9158E-0766.5909222.57.9836E-0766.670522.58.0445E-0766.856227.57.8982E-0766.5524527.57.9660E-0766.631727.58.0200E-0766.797232.57.8861E-0766.5261832.57.9538E-0766.604832.58.0014E-0766.753237.57.8774E-0766.5076637.57.9450E-0766.585837.57.9874E-0766.720342.57.8711E-0766.4942642.57.9386E-0766.572042.57.9766E-0766.695347.57.8665E-0766.4843647.57.9337E-0766.561847.57.9683E-0766.676252.57.8628E-0766.4767152.57.9300E-0766.553852.57.9617E-0766.661357.57.8599E-0766.4706757.57.9271E-0766.547657.57.9565E-0766.649662.57.8575E-0766.4656962.57.9247E-0766.542462.57.9524E-0766.640367.57.8555E-0766.4615367.57.9226E-0766.538167.57.9490E-0766.632672.57.8538E-0766.4579472.57.9209E-0766.534572.57.9462E-0766.626377.57.8522E-0766.4548177.57.9193E-0766.531277.57.9438E-0766.620982.57.8509E-0766.4520182.57.9180E-0766.528482.57.9417E-0766.616387.57.8496E-0766.4494687.57.9168E-0766.525887.57.9399E-0766.612392.57.8485E-0766.4471392.57.9156E-0766.523592.57.9383E-0766.608897.57.8474E-0766.4449797.57.9146E-0766.521397.57.9369E-0766.6057102.57.8465E-0766.44295102.57.9136E-0766.5193102.57.9356E-0766.6028107.57.8456E-0766.44105107.57.9127E-0766.5174107.57.9344E-0766.6002112.57.8446E-0766.43928112.57.9118E-0766.5156112.57.9333E-0766.5978117.57.8439E-0766.43758117.57.9110E-0766.5139117.57.9323E-0766.5956122.57.8431E-0766.43598122.57.9103E-0766.5123122.77.9313E-0766.5935127.57.8423E-0766.43445127.57.9095E-0766.5108127.57.9305E-0766.5916132.57.8417E-0766.43298132.57.9088E-0766.5094132.57.9297E-0766.5898137.57.8410E-0766.43158137.57.9082E-0766.5080137.57.9289E-0766.5881142.57.8403E-0766.43027142.57.9075E-0766.5067142.57.9282E-0766.5865147.57.8397E-0766.42901147.57.9069E-0766.5054147.57.9274E-0766.5849152.57.8391E-0766.42782152.57.9063E-0766.5042152.57.9267E-0766.5834157.57.8386E-0766.42667157.57.9058E-0766.5030157.57.9261E-0766.5820162.57.8380E-0766.42556162.57.9052E-0766.5019162.57.9254E-0766.5806167.57.8375E-0766.42452167.57.9047E-0766.5008167.57.9248E-0766.5793172.57.8370E-0766.42352172.57.9042E-0766.4997172.57.9243E-0766.5780177.57.8366E-0766.42256177.57.9037E-0766.4987177.57.9237E-0766.5768182.67.8361E-0766.42165182.57.9032E-0766.4977182.57.9232E-0766.5757187.57.8357E-0766.42076187.57.9027E-0766.4967187.57.9227E-0766.5745192.57.8353E-0766.41991192.57.9023E-0766.4958192.57.9222E-0766.5734197.57.8349E-0766.41907197.57.9018E-0766.4949197.57.9217E-0766.5723202.57.8345E-0766.41828202.57.9014E-0766.4940202.57.9212E-0766.5713207.67.8341E-0766.41750207.57.9010E-0766.4932207.57.9207E-0766.5703212.57.8337E-0766.41675212.57.9006E-0766.4924212.57.9203E-0766.5693217.57.8334E-0766.41601217.57.9003E-0766.4915217.57.9199E-0766.5684222.57.8330E-0766.41528222.57.8998E-0766.4907222.57.9195E-0766.5675227.57.8327E-0766.41455227.57.8995E-0766.4900227.57.9190E-0766.5666232.57.8323E-0766.41384232.57.8991E-0766.4892232.57.9186E-0766.5657237.57.8320E-0766.41312237.57.8987E-0766.4884237.57.9182E-0766.5648242.57.8317E-0766.41245242.57.8984E-0766.4877242.57.9179E-0766.5639247.57.8314E-0766.41183247.57.8980E-0766.4870247.57.9175E-0766.5631252.57.8310E-0766.41120252.57.8977E-0766.4863252.57.9171E-0766.5623257.57.8307E-0766.41062257.57.8974E-0766.4857257.57.9168E-0766.5616262.57.8305E-0766.41001262.57.8971E-0766.4850262.57.9164E-0766.5608267.57.8302E-0766.40943267.57.8968E-0766.4844267.57.9161E-0766.5601272.57.8299E-0766.40885272.57.8965E-0766.4838272.57.9158E-0766.5594277.57.8296E-0766.40827277.57.8962E-0766.4832277.57.9155E-0766.5587282.57.8293E-0766.40771282.57.8960E-0766.4826282.57.9152E-0766.5580287.57.8291E-0766.40717287.57.8957E-0766.4820287.57.9149E-0766.5574292.57.8288E-0766.40664292.57.8954E-0766.4815292.57.9146E-0766.5568297.57.8286E-0766.40613297.57.8952E-0766.4810297.57.9143E-0766.5562302.57.8283E-0766.40563302.57.8949E-0766.4805302.57.9141E-0766.5556307.57.8281E-0766.40514307.57.8947E-0766.4800307.57.9138E-0766.5550312.57.8279E-0766.40465312.57.8945E-0766.4795312.57.9135E-0766.5545317.57.8276E-0766.40417317.57.8943E-0766.4791317.57.9133E-0766.5539322.57.8274E-0766.40371322.57.8940E-0766.4786322.57.9131E-0766.5534327.57.8272E-0766.40326327.57.8938E-0766.4782327.57.9128E-0766.5529332.57.8270E-0766.40281332.57.8936E-0766.4778332.57.9126E-0766.5523337.57.8268E-0766.40238337.57.8934E-0766.4773337.57.9123E-0766.5519342.57.8266E-0766.40197342.57.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7.8206E-0766.38974717.57.8869E-0766.4641717.57.9056E-0766.5370722.57.8205E-0766.38971722.57.8869E-0766.4641722.67.9055E-0766.5370727.57.8205E-0766.38967727.57.8868E-0766.4641727.57.9055E-0766.5369732.57.8205E-0766.38963732.57.8868E-0766.4640732.57.9054E-0766.5369737.57.8204E-0766.38957737.57.8868E-0766.4639737.57.9054E-0766.5368742.57.8204E-0766.38953742.57.8868E-0766.4639742.67.9054E-0766.5367747.57.8204E-0766.38949747.57.8868E-0766.4639747.67.9054E-0766.5367752.57.8204E-0766.38945752.57.8867E-0766.4638752.67.9054E-0766.5367757.57.8204E-0766.38941757.57.8867E-0766.4638757.67.9053E-0766.5366762.57.8203E-0766.38937762.57.8867E-0766.4638762.67.9053E-0766.5366767.57.8203E-0766.38935767.57.8867E-0766.4637767.67.9053E-0766.5365772.57.8203E-0766.38931772.57.8867E-0766.4637772.67.9052E-0766.5365777.57.8203E-0766.38927777.57.8866E-0766.4637777.67.9053E-0766.5364782.57.8203E-0766.38923782.57.8866E-0766.4636782.67.9052E-0766.5364787.57.8203E-0766.38920787.57.8866E-0766.4636787.67.9053E-0766.5364792.57.8202E-0766.38916792.57.8866E-0766.4636792.67.9052E-0766.5363797.57.8202E-0766.38913797.57.8866E-0766.4635797.67.9052E-0766.5363802.57.8202E-0766.38912802.57.8866E-0766.4635802.67.9052E-0766.5362807.57.8202E-0766.38907807.57.8865E-0766.4635807.67.9052E-0766.5362812.57.8202E-0766.38904812.57.8865E-0766.4635812.67.9052E-0766.5362817.57.8201E-0766.38901817.57.8865E-0766.4634817.67.9051E-0766.5361822.57.8201E-0766.38899822.57.8865E-0766.4634822.67.9051E-0766.5361827.57.8201E-0766.38896827.57.8865E-0766.4634827.67.9051E-0766.5361832.57.8201E-0766.38893832.57.8865E-0766.4634832.67.9051E-0766.5360837.57.8201E-0766.38892837.57.8864E-0766.4633837.67.9051E-0766.5360842.57.8201E-0766.38890842.57.8864E-0766.4633842.67.9050E-0766.5360847.57.8201E-0766.38887847.57.8864E-0766.4633847.67.9050E-0766.5359852.57.8201E-0766.38885852.57.8864E-0766.4633852.67.9050E-0766.5359857.57.8201E-0766.38884857.57.8864E-0766.4632857.67.9050E-0766.5359862.57.8200E-0766.38880862.57.8864E-0766.4632862.67.9050E-0766.5359867.57.8200E-0766.38879867.57.8864E-0766.4632867.67.9050E-0766.5358872.57.8200E-0766.38876872.57.8864E-0766.4632872.67.9050E-0766.5358877.57.8200E-0766.38876877.57.8864E-0766.4632877.67.9049E-0766.5358882.57.8200E-0766.38873882.57.8863E-0766.4631882.67.9049E-0766.5358887.57.8200E-0766.38871887.57.8863E-0766.4631887.67.9049E-0766.5357892.57.8200E-0766.38868892.57.8863E-0766.4631892.67.9049E-0766.5357897.57.8199E-0766.38866897.57.8863E-0766.4631897.67.9049E-0766.5357902.57.8199E-0766.38864902.57.8863E-0766.4631902.67.9049E-0766.5357kv值计算结果：GT158:0.06231V-1GT159:0.06141V-1GT162:0.05762V-17.1(c)规范灯电压值的实验结果根据规程规定，控制室内环境温度，使得球内环境温度处于（25±1）℃，在2.0m积分球内测试了被测灯的灯端电压值，在预热15分钟后，记录灯端电压值。实验结果记录如下：GT158:66.39721VGT159:66.46979VGT162:66.44150V7.1(d)相关色温测试的实验结果根据规程规定，使用光谱总辐射通量标准灯定标带光谱辐射计的球形光度计（积分式光谱辐射计），被测灯按规定的工作电流依次在积分球内点燃，测量其平均颜色温度。相关数据如下：GT158GT159GT162CCT[K]3961.1393123959.3207273939.002441ColorCoordinates/x0.3856105720.385755970.385731682ColorCoordinates/y0.3900299240.3902993170.387469296ColorCoordinates/z0.2243595040.2239447130.226799022ColorCoordinates/u0.2232467060.2232358290.224322332ColorCoordinates/v19760.5080618370.5081963640.506998894PeakWavelength[nm]447.9646886447.4406209447.9325118CentroidWavelength[nm]564.9496771564.8990839564.9756648DominantWavelength[nm]577.0542821577.0301399577.6521666因此，可得GT158、GT159和GT159相关色温的测试结果分别是3961K，3959K和3939K。7.1（e）长期稳定性的实验结果依据规程，测试灯的长期稳定稳定测试数据如下：GT158测试次数灯电压/V规范灯电压下的总光通量/lm累计点燃时间/h166.39721168.70266.39551168.0209366.38841167.8452按规程规定的计算可得ηGT159测试次数灯电压/V规范灯电压下的总光通量/lm累计点燃时间/h166.46981178.90266.47411178.1209366.46611178.2452按规程规定的计算可得ηGT162测试次数灯电压/V规范灯电压下的总光通量/lm累计点燃时间/h166.54121174.90266.54541174.3209366.53811174.0452按规程规定的计算可得η7.1（f）规范灯电压下总光通量值的检定结果依据检定规程，被测灯在规范电压下总光通量的检定结果GT158是1168.2lm,GT159是1172.7lm,GT162是1169.9lm。原始记录如下：LED总光通量检定原始记录（二）共页第页检验类别检定技术依据本检定规程草稿检测主要设备标准灯组及其级别：GT133等副基准级别的LED总光通量标准灯积分球系统装置：2.0m积分球系统光度测量系统：Inphora光度探头、CAS140D光谱辐射计供电电源：吉时利2430、2460、2200实验条件系统预热时间：30mins标准灯光通量常数基本信息标准值相关参数实验结果灯号灯电流/mA规范灯电压值/V总光通量-电压温度系数kv/V-1规范灯电压下的总通量值/lm灯电压/V光电流计读数光通量常数C相对偏差GT13390.0066.54170.054641157.066.63537.7909E-071.4927E+09-0.02%GT138-HX90.0065.67090.068301001.365.76876.7508E-071.4931E+090.02%GT14090.0066.36390.063971176.466.45457.9244E-071.4931E+090.02%GT14190.0066.32430.065431173.566.41287.9056E-071.4930E+090.01%GT14390.0066.35300.062371148.666.44867.7416E-071.4925E+09-0.02%GT15790.0066.37800.059481175.566.47067.9175E-071.4929E+090.00%平均1.4929E+09光通量常数平均值=1.4929E+09，最大相对偏差+0.02%备注检定员：赵伟强核验员：刘慧温度：21℃湿度：50%RH实验地点：昌平-14-2007实验日期：2021年05月17日LED发光强度检定原始记录（三）共页第页基本信息标准值相关参数实验结果灯号灯电流/mA规范灯电压值/V总光通量-电压温度系数kv/V-1轮次灯电压/V光电流计读数总光通量测试值/lm规范灯电压下的总光通量值/lm两轮偏差GT15890.0066.39720.06231第一轮66.38867.8199E-071167.41168.0第二轮66.39277.8235E-071168.01168.30.020%第三轮平均66.39071167.71168.2GT15990.0066.46980.06141第一轮66.46317.8863E-071177.31172.5第二轮66.47237.8930E-071178.31172.80.028%第三轮平均66.46771177.81172.7GT16290.0066.44150.05762第一轮66.53577.9049E-071180.11169.9第二轮66.54197.9072E-071180.51169.8-0.009%第三轮平均66.53881180.31169.9第一轮第二轮第三轮平均备注检定员：赵伟强核验员：刘慧温度：21℃湿度：50%RH实验地点：昌平-14-2007实验日期：2021年05月17日LED总光通量检定原始记录（四）共页第页灯号灯电流/mA规范电压值/V总光通量-电压温度系数kv

/V-1当前灯电压/V当前总光通量测试值/lm规范灯电压下的总光通量值/lm前次规范灯电压下的总光通量值

/lm年变化率外检检查结论(定级)GT15890.0066.39720.0623166.39071167.71168.2良好首检GT15990.0066.46980.0614166.46771177.81172.7良好首检GT16290.0066.44150.0576266.53881180.31169.9良好首检检定员：赵伟强核验员：刘慧温度：21℃湿度：50%RH实验地点：昌平-14-2007实验日期：2021年05月17日测量不确定度评定实例：对副基准的LED总光通量标准灯组，在球形光度计里标定工作基准LED总光通量标准灯组，进行不确定度评定。8.1检定方法上一级已标定的副基准LED总光通量标准灯组（下面简称标准灯）和被检定的工作基准LED总光通量标准灯（下面简称被测灯），在球形光度计里按照本检定规程的相关规定顺序点燃，将它们各自的光电读数相互比较，计算出被测灯的在规范电压下的总光通量量值。标准灯和被测灯的种类、外形、相关色温、功率及光分布均接近，无需要作V(λ)失配修正、非线性修正和吸收修正。检定过程中系统稳定，无需作不稳定性修正。实验室环境温度稳定在22℃附近。8.2数学模型用球形光度计测量，被测灯总光通量量值计算模型：Φ式中： ΦduΦdutVnor,dut,j——第jΦq——被测灯的测量次数