JJF(黔) 66-2022 卫星定位汽车行驶记录仪检定装置校准规范

贵州省市场监督管理局发布1贵州省地方计量技术规范JJF(黔)66-2022卫星定位汽车行驶记录仪检定装置校准规范CalibrationSpecificationforSatellitePositioningVehicleTravellingDataRecorderVerificationDeviceXXXX-XX-XX发布XXXX-XX-XX实施JJF(黔)66-2022I卫星定位汽车行驶记录仪检定装置校准规范CalibrationSpecificationforSatellitePositioningVehicleTravellingDataRecorderVerificationDevice归口单位：贵州省市场监督管理局主要起草单位：贵州省计量测试院参加起草单位：毕节市市场监督管理局检验检测中心广州市腾畅交通图科技有限公司本规范委托贵州省计量测试院负责解释JJF(黔)66—2022JJF(黔)66-2022II本规范主要起草人：廖蔚松（贵州省计量测试院）王勇（贵州省计量测试院）付欣艳（贵州省计量测试院）参加起草人：黄宁（毕节市市场监督管理局检验检测中心）陈文辉（广州市腾畅交通图科技有限公司）李璐伶（贵州省计量测试院）王明珺（贵州省计量测试院）JJF(黔)66-2022I目录引言·························································································（II）1范围······················································································（1）2引用文件················································································（1）3术语和计量单位·······································································（1）4概述······················································································（1）5计量特性················································································（2）5.1定位时间·············································································（2）5.2系统定位误差·······································································（2）5.3速度记录误差·······································································（2）5.4行驶里程记录误差·································································（2）5.5分辨力················································································（2）5.6速度示值范围·······································································（2）6校准条件················································································（2）6.1环境条件·············································································（2）6.2测量标准及其他设备·····························································（2）7校准项目和校准方法·································································（3）7.1校准项目·············································································（3）7.2校准方法·············································································（3）8校准结果表达与处理·································································（5）8.1校准记录·············································································（5）8.2校准结果的处理····································································（5）9复校时间间隔··········································································（6）附录AWGS—84大地坐标系的有关说明及坐标变换公式·······················（7）附录B校准记录格式····································································（8）附录C校准证书内页格式······························································（9）附录D卫星定位汽车行驶记录仪检定装置校准结果不确定度评定示例···（10）JJF(黔)66-2022II引言本规范依据JJF1071—2010《国家计量校准规范编写规则》、JJF1001—2011《通用计量术语及定义》和JJF1059.1—2012《测量不确定度评定与表示》的内容制定。JJF(黔)66-20221卫星定位汽车行驶记录仪检定装置校准规范1范围本规范适用于卫星定位汽车行驶记录仪检定装置（以下简称记录仪检定装置）的校准。2引用文件本规范引用了下列文件：JJF1118-2004全球定位系统GPS接收机（测地型和导航型）JJF1921-2021GNSS行驶记录仪校准规范GB/T18314-2009全球定位系统（GPS）测量规范GB/T19056-2021汽车行驶记录仪GB/T19392-2013汽车GPS导航系统通用规范凡是注日期的引用文件，仅注日期的版本适用于本规范；凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本规范。3术语和计量单位3.1卫星定位汽车行驶记录仪检定装置satellitepositioningvehicletravellingdatarecorderverificationdevice带有卫星定位功能，具有记录、存储车辆行驶方向、速度、时间、里程、位置等状态信息的数字式电子装置，用以对各种汽车行驶记录仪进行实车测试和模拟测试。3.2定位时间间隔positioningtimeinterval两次定位信息之间的时间间隔。3.3世界大地坐标系1984worldgeodeticsystem1984(WGS-84)采用国际大地测量和地球物理联合会推荐的大地参考数和BIH1984.0系统定向所建立的一种地心坐标系。WGS-84大地坐标系的说明见附录A。3.4系统定位误差systempositioningerror记录仪检定装置所确定的位置与其所处在WGS-84大地坐标系上实际位置的偏离。4概述JJF(黔)66-20222记录仪检定装置是用于测量各种汽车行驶记录仪的定位、里程、速度的计量器具，主要组成部分：卫星定位模块、无线通信传输模块、数据存储及处理模块、实时时钟、操作键、数据通信接口、显示器及打印机或相应的显示和打印输出接口等。5计量特性5.1定位时间a）冷启动：从系统加电运行到获得定位信息（实现捕获）时间不大于120s。b）热启动：从系统加电后，启动复位到获得定位信息（实现捕获）时间不大于20s。5.2系统定位误差系统定位误差：不大于15m。5.3速度记录误差最大允许误差：±1.2km/h。5.4行驶里程记录误差最大允许误差：±0.08km。5.5分辨力分辨力：不大于1km/h。5.6速度示值范围速度示值范围：（0～225）km/h。注：以上技术指标不用于合格性判定，仅供参考。6校准条件6.1环境条件6.1.1环境温度：（20±10）℃。6.1.2环境湿度：≤85％RH。6.1.3电源电压及频率：AC（220±22）V，（50±2）Hz。6.1.4无影响仪器正常工作的电磁干扰和机械振动。6.1.5校准场所的卫星信号处于正常状态。6.2测量标准及其他设备6.2.1非接触式速度计a）测量范围：（0～100）km/h。JJF(黔)66-20223b）分辨力：不低于0.1km/h。c）速度最大允许误差：不大于±0.3%。d）距离最大允许误差：不大于30m时，±0.3m；大于30m时，±0.1%。6.2.2标准基线点坐标值测量不确定度：不大于0.1m(k=2)。6.2.3秒表a）分辨力：0.01s。b）日差：±0.5s/d。7校准项目和校准方法7.1校准项目校准项目见表1。表1校准项目一览表序号校准项目名称1定位时间2系统定位误差3速度记录误差4行驶里程记录误差7.2校准方法7.2.1校准前准备7.2.1.1外观检查记录仪检定装置各部件外表面应光洁、平整，不应有凹痕、划伤、裂缝、变形等缺陷。金属机壳表面应有防锈、防腐蚀涂层，金属零件不应有锈蚀。显示屏显示应清晰、完整，不得有缺损现象。文字、符号、标志应清晰、完整。防作弊装置可靠。产品应有清晰耐久的铭牌标志。铭牌应安装在主机外表面的醒目位置，铭牌尺寸应与主机结构尺寸相适宜。7.2.1.2工作正常性检查记录仪检定装置在通电开始工作时进行自检，以红绿闪信号或显示屏显示方式指示工JJF(黔)66-20224作正常与否，并提示故障信息。7.2.2定位时间a）冷启动：将记录仪检定装置按正常工作方式接入标称电源电压，启动仪器，从记录仪检定装置通电运行到获得定位信息（实现捕获）时间。b）热启动：记录仪检定装置已通电并已获得定位信息，启动复位到获得定位信息（实现捕获）时间。7.2.3系统定位误差将记录仪检定装置安装在坐标已知的标准基线点进行校准，如记录仪检定装置显示为经纬度球坐标，将球坐标按附录A转换成直角坐标。连续记录不少于20组数据，定位误差按公式（1）计算。22i)()(YYXXii(1)式中：Δi——某组数据点的定位误差，m；Xi——记录仪检定装置测试数据在大地直角坐标X轴方向分量，m；Yi——记录仪检定装置测试数据在大地直角坐标Y轴方向分量，m；X——已知的标准基线点在大地直角坐标X轴方向分量，m；Y——已知的标准基线点在大地直角坐标X轴方向分量，m。7.2.4速度记录误差将记录仪检定装置和非接触式速度计安装在同一辆汽车上，由非接触式速度计提供标准速度。车速在（20～60）km/h之间变化，在3个不同的速度点，分别读取记录仪检定装置的速度记录值和标准速度值，每个速度点上的速度记录误差按公式（2）计算。∆ai=vi-vai(2)式中：∆ai——记录仪检定装置在某个测速点的示值误差误差