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1. 发明公开

EP3236326A1 SYSTEM FOR DIAGNOSING OIL PROPERTIES IN WORKING MACHINE 有权
标题翻译：用于诊断工作机油性质的系统
公开(公告)号：EP3236326A1
公开(公告)日：2017-10-25
申请号：EP15869648.4
申请日：2015-10-20
申请人： Hitachi Construction Machinery Co., Ltd.
发明人： NAKAMURA Teruo , KURASAKO Akira , AKITA Hideki , HAMAMACHI Yoshiya , HAKOZAKI Katsutoshi , OGURA Kotaro
IPC分类号： G05B23/02 , E02F9/20 , E02F9/26
CPC分类号： E02F9/26 , E02F9/20 , G01N33/2888 , G01N33/30 , G05B23/0283 , G07C5/004
摘要： A diagnostic system for a work machine includes a data storage device (210) in which sensor information (A) input from a sensor (101A) that senses an oil property of oil used for operation of the work machine and an abnormality degree determination value defined for each kind of the sensor information (A) are stored, and an arithmetic processing device (104) that executes first processing of discriminating the degree of abnormality level of the oil based on the sensor information (A) and the abnormality degree determination value, second processing of determining whether or not necessity to carry out oil analysis involving oil extraction exists based on the degree of abnormality level of the oil discriminated in the first processing, and third processing of outputting information indicating that the oil analysis is necessary to other terminal if it is determined that the oil analysis is necessary in the second processing.
摘要翻译：本发明提供一种作业机械的诊断系统，包括：数据存储装置（210），其从传感器（101A）输入的传感器信息（A）输入到传感器（101A）中，该传感器（101A）检测用于作业机械的运转的机油的油性和规定的异常度判定值对于各种传感器信息（A）进行存储;以及运算处理装置（104），其基于传感器信息（A）和异常度判定值来执行区别油的异常度的第一处理，基于在第一处理中判别出的油的异常程度判定是否存在需要进行涉及油提取的油分析的第二处理，以及向第二处理中输出表示需要进行油分析的信息的第三处理确定在第二处理中油分析是必要的。

2. 发明公开

EP3660507A1 OIL DIAGNOSIS SYSTEM 有权
公开(公告)号：EP3660507A1
公开(公告)日：2020-06-03
申请号：EP17919305.7
申请日：2017-11-08
申请人： Hitachi Construction Machinery Co., Ltd.
发明人： TAKAMI Hiroki , KURASAKO Akira , OGURA Kotaro , AKITA Hideki , ONOSE Hiroshi , HAMAMACHI Yoshiya
IPC分类号： G01N33/30 , G05B23/02
摘要： A computer (104) for a manufacturer includes: a storage device (210) storing amount-of-change determination values specified for respective amount-of-change indexes indicative of tendencies of temporal changes in pieces of sensor data A, B, and C, about a plurality of oil properties including a viscosity, a density, and a dielectric constant of oil; an abnormality determining section (211) determining abnormality of the oil on the basis of the pieces of sensor data A, B, and C about the plurality of oil properties and abnormality determination values SAh, SAl, SBh, and SCh prescribed for the respective pieces of sensor data A, B, and C about the plurality of oil properties; a cause identifying section (212) identifying, when the abnormality determining section (211) determines the oil to be abnormal, the cause of the abnormality of the oil on the basis of the type of the oil property determined to be abnormal and the amount-of-change determination value of the oil property; and a transmission section (213) transmitting, to another terminal, the cause of the abnormality identified by the cause identifying section (212).

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