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    • 1. 发明专利
    • Abnormality monitoring system
    • 异常监测系统
    • JP2003288655A
    • 2003-10-10
    • JP2002089304
    • 2002-03-27
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • IWAMOTO NORIAKIONO YOSHIMASANISHIO KEIJIOKURA RYOICHI
    • G08C15/00G08B25/00G08B25/04G08B25/08G08C19/00
    • PROBLEM TO BE SOLVED: To provide an abnormality monitoring system 20 capable of quickly and precisely determining the abnormal state of a consumer while suppressing the increase in processing load of an automatic meter reading means 10.
      SOLUTION: This abnormality monitoring system comprises a determination means 22 for determining the abnormal state of each consumer by recognizing the consumption state of a supply matter in a determination time band of each consumer 1 is recognized from the index values before and after the determination time band of each meter device 3 collected by the automatic meter reading means 10 and comparing each consumption state with a determination standard. This system further comprises a determination condition setting means 23 for independently setting at least one determination condition of the determination time band and determination standard to each consumer.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供能够在抑制自动抄表装置10的处理负荷的增加的同时快速且精确地确定消费者的异常状态的异常监视系统20.解决方案:该异常监视 系统包括确定装置22,用于通过从每个计量装置3的确定时间段之前和之后的指标值中识别每个消费者1的确定时间段中的供应物质的消耗状态来确定每个消费者的异常状态 由自动抄表装置10收集并将每个消费状态与确定标准进行比较。 该系统还包括确定条件设置装置23,用于独立地将确定时间带和确定标准的至少一个确定条件设置给每个消费者。 版权所有(C)2004,JPO
    • 5. 发明专利
    • OXYGEN CONCENTRATION MEASURING APPARATUS
    • JPH1073562A
    • 1998-03-17
    • JP23045796
    • 1996-08-30
    • OSAKA GAS CO LTD
    • MORIYA KOJISAKO TAKAHIROOKURA RYOICHI
    • G01N27/41
    • PROBLEM TO BE SOLVED: To provide an oxygen concentration measuring apparatus which can measure the oxygen concentration accurately regardless of combustion conditions. SOLUTION: The oxygen concentration measuring apparatus comprises a voltage supply section 20 for applying a voltage between the opposite electrodes of a gas detection element 1 provided with means for regulating the gas contact rate of respective electrodes differently and having first and second electrodes made of a material for ionizing oxygen gas arranged on a solid electrolytic substrate. The oxygen concentration measuring apparatus is constituted such that the oxygen concentration of a gas touching the electrode can be measured based the output current from the gas detection element 1 when a voltage is applied thereto while heating the gas detection element 1 by a heating means thus measuring the oxygen concentration of exhaust gas from a burner 30 burning a fuel gas principally comprising methane gas. A temperature sustaining mechanism F sustains the temperature of the first electrode at a set level lower than a limit temperature for oxidizing methane gas on the first electrode.