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    • 1. 发明申请
    • AUTOMATIC METER READING METHOD AND APPARATUS USING PATTERN ANALYSIS FOR LEVELS OF OUTPUT SIGNALS FROM MULTIPLE PHOTOELECTRIC SENSORS
    • 使用多模光电传感器输出信号电平模式分析的自动电位计读数方法及装置
    • WO2005064563A1
    • 2005-07-14
    • PCT/KR2004/003412
    • 2004-12-22
    • KIM, YeonMiLEE, ByungCheol
    • KIM, YeonMiLEE, ByungCheol
    • G08C19/02
    • G01D4/008Y02B90/241Y02B90/247Y04S20/32Y04S20/50
    • Disclosed is an automatic remote meter-reading method and apparatus for a rotation needle type or rotation number wheel type metering device. The rotation frequency of the needle or number wheel is counted using a changing pattern in the output signal of plural photoelectric elements. The plural photoelectric elements are arranged in one column or row, or so as to have a certain desired area, and one or more light emitting element are disposed adjacent to the photoelectric elements, thereby forming a photosensor unit. The light from the light emitting element is incident on a scale plate of the rotation needle or on the surface of a certain number wheel, which corresponds to a certain number place below the significant number for a meter-reading. The light reflected from the surface is detected by the plural photoelectric elements, which converts it into a collection of electrical signals. A reference pattern is stored in a microcomputer beforehand. The reference pattern is a level change with time of an electrical signal output from each photoelectric element during one cycle of rotation of the specific rotation needle or rotation number wheel. The microcomputer extracts a level-changing pattern with time of an electrical signal output from the plural photoelectric elements and compares them with the stored reference pattern to thereby determine whether the specific needle or wheel has performed one rotation. The counted rotation frequency is accumulated and, when required, transmitted to a data-administrating computer of utility companies, through an appropriate communication system.
    • 公开了一种用于旋转针型或旋转轮型计量装置的自动远程读表方法和装置。 使用多个光电元件的输出信号中的变化图案对针或数字轮的旋转频率进行计数。 多个光电元件被布置成一列或一行,或者具有一定的期望面积,并且一个或多个发光元件邻近光电元件设置,从而形成光电传感器单元。 来自发光元件的光入射到旋转针的刻度板上或者在一定数量的轮的表面上,其对应于低于显着数字的某个数字位置用于读数。 从表面反射的光由多个光电元件检测,将其转换为电信号的集合。 参考图案预先存储在微计算机中。 参考图案是在特定旋转针或旋转轮的旋转的一个循环期间从每个光电元件输出的电信号的时间的电平变化。 微计算机根据从多个光电元件输出的电信号的时间提取电平变化模式,并将其与所存储的参考图案进行比较,从而确定特定针或轮是否执行了一次旋转。 累计计数的旋转频率,并在需要时通过适当的通信系统传送给公用事业公司的数据管理计算机。
    • 2. 发明申请
    • METHOD OF SIMPLY DIGITIZING A NUMERAL VALUE ON A MECHANICAL TYPE METER INTO A DIGITAL VALUE AND APPARATUS FOR THE SAME
    • 将机械式计数器简单数字化的数值方法简化为数字值的方法及其设备
    • WO2007073090A1
    • 2007-06-28
    • PCT/KR2006/005589
    • 2006-12-20
    • KIM, YeonMi
    • KIM, YeonMi
    • G01R11/32G01F3/00G08C17/02G01D5/26
    • G01F15/06G01D4/00G01D5/3473G01F15/068G01R11/02Y02B90/247Y04S20/50
    • Disclosed are an apparatus for and a method of automatically digitizing an indication value of a meter. A light emitter emits a light towards the outer circumferential face of a target number wheel of which rotation numbers are to be counted. A light receiver receives and converts the reflected light into an optical detection signal. The optical detection signal is converted into a digital data, which is provided to a metering computer unit. A determination result as to whether the supplied goods are currently being consumed is provided to the metering computer unit. The metering computer unit counts an increase by T only if the stabilized state is caused by use of the supplied goods. Further, a temperature and pressure compensation unit is further adopted, which compensates for the meter reading errors caused by a difference between reference temperature and pressure at the gas-supplying point and the temperature and pressure values of the gas passing through the gas meter, i.e., calculates a temperature and pressure compensation coefficient. The metering computer unit reflects this compensation coefficient on the automatic read value to provide a more precise digitalized read value.
    • 公开了一种自动数字化仪表指示值的装置和方法。 光发射器向要计数转数的目标号轮的外周面发射光。 光接收器接收并将反射光转换成光检测信号。 光学检测信号被转换成提供给计量计算机单元的数字数据。 关于供应货物是否正在消耗的确定结果被提供给计量计算机单元。 计量计算机单元只有在稳定状态是由使用所提供的货物引起的情况下才增加T。 此外,还采用了温度和压力补偿单元,其补偿由供气点的参考温度和压力之间的差异以及通过燃气表的气体的温度和压力值引起的抄表误差,即 ,计算温度和压力补偿系数。 计量计算机单元将该补偿系数反映在自动读取值上,以提供更精确的数字化读取值。
    • 3. 发明申请
    • AN APPARATUS FOR CORRECTING GAS-VOLUME ERROR CAUSED BY TEMPERATURE-PRESSURE DIFFERENCE FOR A VOLUME-MEASURING TYPE GAS METER HAVING AN AUTOMATIC METER READING FUNCTION
    • 用于校正具有自动仪表读取功能的体积测量型气表的温度 - 压力差导致的气体体积误差的装置
    • WO2007037616A1
    • 2007-04-05
    • PCT/KR2006/003841
    • 2006-09-27
    • RNF, Inc.KIM, YeonMi
    • KIM, YeonMi
    • G01F25/00
    • G01F15/043
    • Disclosed is an apparatus for compensating for a gas-volume error, in which gas-volume change due to differences in the pressure and temperature between a gas-supplying reference position and a volumetric gas meter can be compensated such that consumed amount of gas can be precisely and automatically measured when the volumetric gas meter is read. A temperature and pressure measuring unit is installed in each consumer's gas meter, or inside or outside of a gas pipe near the gas meter to measure instantaneous temperature and pressure of the gas flowing through the gas meter. A temperature and pressure compensation unit acquires the instantaneous temperature and pressure from the temperature and pressure unit at certain time intervals to calculate an instantaneous temperature and pressure compensation coefficient. Using the instantaneous compensation coefficient, at least one of daily and monthly compensation coefficients is calculated. At this time, a weighted value is applied according to whether or not gas is consumed or the amount of consumed gas when temperature and pressure are measured or during the measuring-time interval. In addition, the temperature and pressure compensation unit receives a digitized daily or monthly read value, and calculates a compensated monthly consumption by accumulating daily consumptions (daily read value x daily temperature and pressure coefficient) during the month or multiplying the monthly read value by the monthly temperature and pressure compensation coefficient of the month.
    • 公开了一种用于补偿气体容量误差的装置,其中可以补偿由于气体供应基准位置和体积燃气表之间的压力和温度的差异引起的气体体积变化,从而可以消耗气体量 在读取体积气量计时精确自动测量。 每个消费者的燃气表中安装一个温度和压力测量单元,或者安装在靠近燃气表的气体管道的内部或外部,以测量流经燃气表的气体的瞬时温度和压力。 温度和压力补偿单元以特定时间间隔从温度和压力单位获取瞬时温度和压力,以计算瞬时温度和压力补偿系数。 使用瞬时补偿系数,计算每日和每月补偿系数中的至少一个。 此时,根据是否消耗气体或者在测量时间间隔期间测量温度和压力时的消耗气体量,应用加权值。 此外,温度和压力补偿单元接收数字化的每日或每月读取的值,并且通过累积月份中的每日消耗量(日读数值x日温度和压力系数)来计算补偿的每月消耗量,或将每月读取值乘以 每月月温度和压力补偿系数。