浮标式氧气吸入器技术报告

浮标式氧气吸入器技术 计 量 标 准 名 称 浮标式氧气吸入器检定装置 计 量 标 准 负 责 人 建标单位名称(公章) 填 写 日 期 2013.03.18 pipe into the box, lateral lock, installed at the inner side protection. (9) dark distribution pipe should be laid along the lines of recent, and should reduce bending, buried within the walls of the pipe from the surface-distance should not be less than 15mm. (10) under normal circumstances, it tube bending radius shall meet the following requirements: 1) specify timing, there is generally no less than 6 times the pipe diameter, such as when only one bend, not less than 6 times the pipe diameter. 2) dark time, not less than ... (E) wire into the switch box and Cabinet, Board, should have a long widening of margins; (F) when the wires into the electrical equipment should remain at the Centre of 0.3M margin; (G) the floor tube to the power box, tube 1M of allowances; (H) the wires connected to the power supply and into and out of time, tube 1.5M of allowances. (I) wore metal pipe with wire retainer should be well set, retainer must not cut place, match the specification and pipe. (J) after the end of the wire, you should check the insulation resistance, the resistance shall be not less than 0.5M. (K) the dark construction of the works at the time of completion and acceptance of the delivery, and laid wiring changes in the construction should be part of the actual position (including junction boxes and junction boxes and pipeline specifications), fixed in the as-built drawings and indicate 目 录 一、建立计量的目的------------------------------------------------------------------- ---- ( 1 ) 二、计量标准的工作原理及其组成-------------------------------------------------------------( 1 ) 三、计量标准器及主要配套设备----------------------------------------------------------- --- ( 2 ) 四、计量标准的主要技术指标-------------------------------------------------------------------( 3 ) 五、环境条件----------------------------------------------------------------------------------------( 3 ) 六、计量标准的量值溯源和传递框图----------------------------------------------------------( 4 ) 七、计量标准的重复性试验----------------------------------------------------------------------( 5 ) 八、计量标准的稳定性考核----------------------------------------------------------------------( 6 ) 九、检定或校准结果的测量不确定度评定----------------------------------------------------( 7 ) 十、检定或校准结果的验证-------------------------------------------------------------------- -( 9 ) 十一、结论-------------------------------------------------------------------------------------------( 10 ) 十二、附加说明-------------------------------------------------------------------------------------( 10 ) built drawings and indicate-nction boxes and junction boxes and pipeline specifications), fixed in the asd acceptance of the delivery, and laid wiring changes in the construction should be part of the actual position (including juion anulation resistance, the resistance shall be not less than 0.5M. (K) the dark construction of the works at the time of completl set, retainer must not cut place, match the specification and pipe. (J) after the end of the wire, you should check the insbe welnnected to the power supply and into and out of time, tube 1.5M of allowances. (I) wore metal pipe with wire retainer should ment should remain at the Centre of 0.3M margin; (G) the floor tube to the power box, tube 1M of allowances; (H) the wires coequip ) wire into the switch box and Cabinet, Board, should have a long widening of margins; (F) when the wires into the electricales the pipe diameter, such as when only one bend, not less than 6 times the pipe diameter. 2) dark time, not less than ... (Erements: 1) specify timing, there is generally no less than 6 timdistance should not be less than 15mm. (10) under normal circumstances, it tube bending radius shall meet the following requi-uce bending, buried within the walls of the pipe from the surfacelines of recent, and should redpipe into the box, lateral lock, installed at the inner side protection. (9) dark distribution pipe should be laid along the 2 一、建立计量标准的目的 氧气吸入器是主要配套于医用中心供氧系统，是医用氧气输出的终端设备，用于调节氧气流量、氧气湿化用，供医疗单位急救给氧和缺氧病人作氧气吸入用，其性能是否准确可靠将直接影响病人的人身安全。它不但能准确计量氧气的瞬间流量，还可使医护人员在护士站随时了解病人吸氧状况。科学用氧管理，对保障医疗计量器具准确可靠，提高医疗质量，保障人民群众的身体健康发挥了很好的作用。 在医疗器械不良事件监测中发现，有医疗机构在使用浮标式氧气吸入器出现“潮化瓶”爆裂、爆裂碎片损伤陪护人员眼睛的严重伤害事件。为了保障氧气吸入器的安全可靠，必须定期对其进行检定。 由此看来我计量所建立氧气吸入器检定装置显得尤为迫切。 二、计量标准的工作原理及其组成 将被检浮标式氧气吸入器安装在氧气吸入器检定仪上，用导连管接通氧气源，检查减压器是否漏气。采用比较法，读取被检氧气吸入器的氧气表示值和流量瓶计的示值，和标准压力表及标准流量计示值进行比较，判定该氧气吸入器是否合格。潮化瓶在(0.35?0.05)MPa的压力作用下应不破裂。 该标准主要由浮标式氧气吸入器检定仪、医用氧气瓶、专用导连管组成。 ?1? 三、计量标准器及主要配套设备 不确定度或 检定周制造厂及 检定或 名称 型号 测量范围 准确度等级或 期或复出厂编号 校准机构 最大允许误差 校间隔 压力准确度等高压:(0,25) MPa 山东省计氧气吸入级:0.4级 宁波开普电子有限计KP-10L 低压:(0,2.5) MPa 量科学研一年 器检定仪 流量准确度等公司 2010132 流量:(1,10)L/min 究院 级:1级 量 山东省计上海田林压力表厂精密压力(0,25) MPa YB-150 0.4级 量科学研一年 2009122262 标 表 究院 山东省计精密压力准上海田林压力表厂 YB-150 (0,2.5) MPa 0.4级 量科学研一年 表 2009121660 究院 器 温度:(-20, 泊头市王鲁道仪表威海市计40)? 温湿度表 WS-A1 / 一年 厂 量所 湿度:(0,90), RH 主 要 配 套 设 备 ?2? ion anulation resistance, the resistance shall be not less than 0.5M. (K) the dark construction of the works at the time of completl set, retainer must not cut place, match the specification and pipe. (J) after the end of the wire, you should check the insbe welnnected to the power supply and into and out of time, tube 1.5M of allowances. (I) wore metal pipe with wire retainer should ment should remain at the Centre of 0.3M margin; (G) the floor tube to the power box, tube 1M of allowances; (H) the wires coequip ) wire into the switch box and Cabinet, Board, should have a long widening of margins; (F) when the wires into the electricales the pipe diameter, such as when only one bend, not less than 6 times the pipe diameter. 2) dark time, not less than ... (Erements: 1) specify timing, there is generally no less than 6 timdistance should not be less than 15mm. (10) under normal circumstances, it tube bending radius shall meet the following requi-uce bending, buried within the walls of the pipe from the surfacelines of recent, and should redpipe into the box, lateral lock, installed at the inner side protection. (9) dark distribution pipe should be laid along the built drawings and indicate-nction boxes and junction boxes and pipeline specifications), fixed in the asd acceptance of the delivery, and laid wiring changes in the construction should be part of the actual position (including ju4 四、计量标准的主要技术指标 1(测量范围: 高压:(0,25) MPa 低压:(0,2.5) MPa 流量:(0,10)L/min 2(准确度等级: 精密压力表: 0.4级 流量计: 1级 五、环境条件 序 号 项目 要求 实际情况 结论 1 温度 (20?5)? (20?5)? 符合要求 2 工作环境 无油脂污染源，禁油，无明火。 无 符合要求 ?3? 六、计量标准的量值溯源和传递框图 上 一 山东省计量科学研究院 山东省计量科学研究院级 钟罩式气体流量标准装置 活塞式压力计标准装置 计 测量范围:(-0.1，60) MPa 测量范围:(1，20)L/min 量 准确度等级:0.2级 准确度等级:二等 器 具 直接比对法 直接比对法 本 单 位 浮标式氧气吸入器检定装置 计 测量范围:高压:(0，25) MPa,低压:(0，2.5) MPa, 量 流量:(1，10)L/min 器 MPE:压力:?0.4%,流量:?1% 具 直接比对法 下 一 级 计 量 浮标式氧气吸入器 器 测量范围:压力:(0，25) MPa 具 流量:(1，10)L/min 准确度等级:压力:2.5级及其以下, 流量:4级及其以下。 ?4? built drawings and indicate-nction boxes and junction boxes and pipeline specifications), fixed in the asd acceptance of the delivery, and laid wiring changes in the construction should be part of the actual position (including juion anulation resistance, the resistance shall be not less than 0.5M. (K) the dark construction of the works at the time of completl set, retainer must not cut place, match the specification and pipe. (J) after the end of the wire, you should check the insbe welnnected to the power supply and into and out of time, tube 1.5M of allowances. (I) wore metal pipe with wire retainer should ment should remain at the Centre of 0.3M margin; (G) the floor tube to the power box, tube 1M of allowances; (H) the wires coequip ) wire into the switch box and Cabinet, Board, should have a long widening of margins; (F) when the wires into the electricales the pipe diameter, such as when only one bend, not less than 6 times the pipe diameter. 2) dark time, not less than ... (Erements: 1) specify timing, there is generally no less than 6 timdistance should not be less than 15mm. (10) under normal circumstances, it tube bending radius shall meet the following requi-uce bending, buried within the walls of the pipe from the surfacelines of recent, and should redpipe into the box, lateral lock, installed at the inner side protection. (9) dark distribution pipe should be laid along the 6 七、计量标准的重复性试验 根据JJG913-1996《浮标式氧气吸入器》国家计量检定和JJF1033-2008《计量标准考核规范》提供的方法～在装置正常的工作条件下～选一台性能稳定的上海减压器厂产的浮标式氧气吸入器,压力量程:,0，25,MPa、流量量程:,1，10,L/min,作被测对象。对氧压表10MPa和流量计10L/min处在重复条件下连续测量10次～计算测量值的相对实验标准偏差。 检定次数 1 2 3 4 5 6 7 8 9 10 压力值10.10 10.12 10.12 10.16 10.20 10.16 10.12 10.10 10.20 10.20 ,MPa, 流量值10.20 10.20 10.10 10.20 10.20 10.10 10.10 10.20 10.10 10.10 ,L/min, 10.148,MPa, x压 10.150,L/min, x流 152x,x，，,压压i,1压力的实验标准差:,,0.041,MPa,～换算成相对误差为0.41,。 s压n,1 152x,x，，,流流i,1流量的实验标准差:s,,0.053,L/min,～换算成相对误差为0.53,。 流n,1 根据JJF1033-2008《计量标准考核规范》的要求～把测得的实验标准差作为本检定装置的重复性误差～经过测量不确定度评定能满足要求～故本检定装置压力的重复性误差为0.41,～流量的重复性误差为0.53,～并以此作为以后的判断依据。 ?5? 八、计量标准的稳定性考核 根据JJG913-1996《浮标式氧气吸入器》国家计量检定规程和JJF1033-2008《计量标准考核规范》提供的新建计量标准稳定性考核方法～每隔2个月～对氧压表10MPa和流量计10L/min的检定点在重复条件下连续测量5次～取其算术平均值作为该组的测量结果～共观测4组～取4组测量结果中最大的差值作为本检定装置的稳定性。 在装置正常的工作条件下～选一台性能稳定的上海减压器厂产的浮标式氧气吸入器,压力量程:,0，25,MPa、流量量程:,1，10,L/min,做被测对象～测得的数据如下: 日期 2013.01 2013.02 2013.03 2013.04 示值 压力值流量值压力值流量值压力值流量值压力值流量值误差 ,MPa, ,L/min, ,MPa, ,L/min, ,MPa, ,L/min, ,MPa, ,L/min, 次数 1 10.20 10.10 10.22 10.12 10.20 10.16 10.22 10.14 2 10.30 10.16 10.28 10.12 10.24 10.14 10.22 10.14 3 10.24 10.18 10.26 10.14 10.20 10.18 10.20 10.16 4 10.24 10.12 10.24 10.14 10.22 10.18 10.24 10.12 5 10.20 10.12 10.26 10.14 10.22 10.16 10.20 10.14 10.236 10.136 10.252 10.132 10.216 10.164 10.216 10.140 x 10.252,10.216,0.0364组测量结果压力的最大差值为:,MPa,～换算成相对误差为0.36,。 10.164,10.132,0.0324组测量结果流量的最大差值为:,L/min,～换算成相对误差为0.32,。 根据JJF1033-20078《计量标准考核规范》的要求～本检定装置压力部分最大允许误差为0.4,～流量部分最大允许误差为1.0,。因压力: 0.36,,0.4,～流量: 0.32,,1,～故本检定装置的稳定性符合计量标准考核规范要求。 ?6? built drawings and indicate-nction boxes and junction boxes and pipeline specifications), fixed in the asd acceptance of the delivery, and laid wiring changes in the construction should be part of the actual position (including juion anulation resistance, the resistance shall be not less than 0.5M. (K) the dark construction of the works at the time of completl set, retainer must not cut place, match the specification and pipe. (J) after the end of the wire, you should check the insbe welnnected to the power supply and into and out of time, tube 1.5M of allowances. (I) wore metal pipe with wire retainer should ment should remain at the Centre of 0.3M margin; (G) the floor tube to the power box, tube 1M of allowances; (H) the wires coequip ) wire into the switch box and Cabinet, Board, should have a long widening of margins; (F) when the wires into the electricales the pipe diameter, such as when only one bend, not less than 6 times the pipe diameter. 2) dark time, not less than ... (Erements: 1) specify timing, there is generally no less than 6 timdistance should not be less than 15mm. (10) under normal circumstances, it tube bending radius shall meet the following requi-uce bending, buried within the walls of the pipe from the surfacelines of recent, and should redpipe into the box, lateral lock, installed at the inner side protection. (9) dark distribution pipe should be laid along the 8 九、检定或校准结果的测量不确定度评定 1、测量依据:JJG913-1996《浮标式氧气吸入器国家计量检定规程》 JJF1033-2008《计量标准考核规范》 JJF1059-1999《测量不确定度评定与表示》 2、测量方法:在装置正常的工作条件下～选一台性能稳定的上海减压器厂产的浮标式氧气吸入器,压力量程:,0，25,MPa、流量量程:,1，10,L/min,作被测对象。对氧压表10MPa和流量计10L/min处在重复条件下连续测量10次～读取在10MPa和10L/min的测得值。 3、测量误差的数学模型: u,P,Pts 式中:——被检表示值, Pt ——标准表示值, Ps ——被检表与标准表的差值。 u 4、评定各输入量的标准不确定度 4.1、计算测量不重复性引入的标准不确定度分量 u1 浮标式氧气吸入器的测量不重复性分压力和流量～采用A类方法评定。按规程要求～对氧压表10MPa和流量计10L/min处在重复条件下连续测量10次～读取在10MPa和10L/min的测得值～由此计算出实验标准差。详见下表。 检定次数 1 2 3 4 5 6 7 8 9 10 压力值10.10 10.12 10.12 10.16 10.20 10.16 10.12 10.10 10.20 10.20 ,MPa, 流量值10.20 10.20 10.10 10.20 10.20 10.10 10.10 10.20 10.10 10.10 ,L/min, 10.148,MPa, x 压 10.150,L/min, x 流 152x,x，，,压压i,1u压力的实验标准差:,,0.041,MPa, 1压n,1 152x,x，，,流流i,1u流量的实验标准差:,,0.053,L/min, 1流n,1 ?7? 九、测量不确定度评定 4.2、计算检定装置引入的标准不确定度分量 u2 检定装置的误差来源于精密压力表和标准流量计～其中精密压力表的最大允许误差为?0.064MPa,标准流量计的最大允许误差为?0.1L/min。按均匀分布估计～则 ,?0.037 MPa 0.0643u2压 ,?0.058 L/min 0.13u2流 4.3、计算检定人员估读引入的标准不确定度分量 u3 检定人员估读最小分度值的1/10～标准压力表为?0.005MPa～标准流量计为?0.02L/min。按均匀分布估计～则 ,?0.003 MPa 0.0053u3压 ,?0.012 L/min 0.023u3流 5、标准不确定度合成 222222,,,0.055MPa u，u，u0.041，0.037，0.003u压1压2压3压 222222,,,0.079L/min u，u，u0.053，0.058，0.012u流1流2流3流 6、扩展不确定度 合成标准不确定度接近正态分布～取=2～ k 0.055,0.110MPa～换算成相对扩展不确定度为1.10,。 U,ku,2，压压 0.079,0.158L/min～换算成相对扩展不确定度为1.58,。 U,ku,2，流流 ?8? ulation resistance, the resistance shall be not less than 0.5M. (K) the dark construction of the works at the time of completl set, retainer must not cut place, match the specification and pipe. (J) after the end of the wire, you should check the insbe welnnected to the power supply and into and out of time, tube 1.5M of allowances. (I) wore metal pipe with wire retainer should ment should remain at the Centre of 0.3M margin; (G) the floor tube to the power box, tube 1M of allowances; (H) the wires coequip ) wire into the switch box and Cabinet, Board, should have a long widening of margins; (F) when the wires into the electricales the pipe diameter, such as when only one bend, not less than 6 times the pipe diameter. 2) dark time, not less than ... (Erements: 1) specify timing, there is generally no less than 6 timdistance should not be less than 15mm. (10) under normal circumstances, it tube bending radius shall meet the following requi-uce bending, buried within the walls of the pipe from the surfacelines of recent, and should redpipe into the box, lateral lock, installed at the inner side protection. (9) dark distribution pipe should be laid along the built drawings and indicate-nction boxes and junction boxes and pipeline specifications), fixed in the asd acceptance of the delivery, and laid wiring changes in the construction should be part of the actual position (including juion an10 十、检定或校准结果的验证 在装置正常的工作条件下～选一台性能稳定的在装置正常的工作条件下～选一台性能稳定的上海减压器厂产的浮标式氧气吸入器,压力量程:,0，25,MPa、流量量程,1，10,L/min、编号:86510061,作被测对象。用本检定装置对其检定得出一组数据～送山东省院检定得到另一组数据列表如下: 表1:氧气表 单位:MPa 检定点 最大差值 本实验室检定装置检定数据 山东省院检定数据 YY12 0 0 0 0 5 5.00 5.00 0 10 9.80 9.80 0 该氧气表最大差值为0MPa～依据JJF1033-2008《计量标准考核规范》的要求～ 22 Y,Y,U，U1212 因为= 0MPa～换算成相对误差为0,。 Y,Y12 2222又因为==0.403,?0.4,。所以0,?0.4,。 U，U0.004，0.000512 表2:流量计 单位:L/min 检定点 最大差值 本实验室检定装置检定数据 山东省院检定数据 YY12 1 1 1 0 5 5.0 5.0 0 10 10.0 9.994 0(006 ?9? 该流量计表最大差值为0.006 L/min～依据JJF1033-2008《计量标准考核规范》的要求～ 22 Y,Y,U，U1212 因为= 0.006 L/min～换算成相对误差为0.6,。 Y,Y12 2222又因为==1.02,?1,。所以0.6,?1, U，U0.01，0.00212 故本装置检定结果的验证符合JJF1033-2008《计量标准考核规范》要求。 ?10? nction boxes and junction boxes and pipeline specifications), fixed in the asd acceptance of the delivery, and laid wiring changes in the construction should be part of the actual position (including juion anulation resistance, the resistance shall be not less than 0.5M. (K) the dark construction of the works at the time of completl set, retainer must not cut place, match the specification and pipe. (J) after the end of the wire, you should check the insbe welnnected to the power supply and into and out of time, tube 1.5M of allowances. (I) wore metal pipe with wire retainer should ment should remain at the Centre of 0.3M margin; (G) the floor tube to the power box, tube 1M of allowances; (H) the wires coequip ) wire into the switch box and Cabinet, Board, should have a long widening of margins; (F) when the wires into the electricales the pipe diameter, such as when only one bend, not less than 6 times the pipe diameter. 2) dark time, not less than ... (Erements: 1) specify timing, there is generally no less than 6 timdistance should not be less than 15mm. (10) under normal circumstances, it tube bending radius shall meet the following requi-uce bending, buried within the walls of the pipe from the surfacelines of recent, and should redpipe into the box, lateral lock, installed at the inner side protection. (9) dark distribution pipe should be laid along the built drawings and indicate-12 十一、结论 k经与验证～本检定装置压力的扩展不确定度为1.10%,,2,～稳定性不大于0.36%～ k重复性不大于0.41%,流量的扩展不确定度为1.58%,,2,～稳定性不大于0.32%～重复性不大于0.32%。满足JJG913-1996《浮标式氧气吸入器》国家计量检定规程及JJF1033-2008《计量标准考核规范》要求～可以作为1.5级及其以下(0,25) MPa氧气压力表和4级,1,10,L/min流量计合称为浮标式氧气吸入器的检定装置使用。 十二、附加说明 本技术报告参考了以下资料: 1、JJG913-1996《浮标式氧气吸入器国家计量检定规程》 2、JJF1033-2008《计量标准考核规范》 3、JJG1059-1999《测量不确定度评定与表示》 4、氧气吸入器检定装置使用说明书 5、氧气吸入器检定装置操作程序 ?11?