Patent
Sensor for monitoring metal abrasive particles in oil liquid on line and application method for sensor
Zhang Yinghong,Fang Guiming,Wang Yanxue,Peng Senguang,Wu Ming,Jiang Zhansi,Luo Yi,Gao Peng,Chen Hucheng,Gao Cheng,Han Jindong,Zhao Longyang,Gao Bo +12 more
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TLDR
In this paper, a mutual inductance sensor for monitoring metal abrasive particles in oil liquid on-line is presented, consisting of an exciting coil and an inducting coil, where an oil path through which the oil liquid can pass is arranged in the center of a framework made of a magnetic inert material.Abstract:
The invention discloses a sensor for monitoring metal abrasive particles in oil liquid on line The sensor is a mutual inductance sensor and comprises an exciting coil and an inducting coil, wherein an oil path through which the oil liquid can pass is arranged in the center of a framework made of a magnetic inert material; the exciting coil and the inducting coil are coaxially wound on the framework; the inducing coil is positioned between the exciting coil and the framework; the axial length of the inducting coil is 1/4-1/2 of that of the exciting coil; and the axial center points of the inducting coil and the exciting coil are superposed The sensor realizes zero compensation and adjustment by adopting a parallel measurement structure and is simple in structure, high in sensitivity, high in linearity and high in interference resistance The sensor applied to on-line monitoring for the metal abrasive particles in the oil liquid is convenient to operate, high in instantaneity, high in measurement precision and accurate and reliable in monitored result and can be widely applied to military and civil fields and used for monitoring the pollution degree and the abrasion to the oil liquid of lubricating systems of mechanical equipment such as various air planes, naval vessels and automobiles and monitoring and diagnosing faults of the lubricating systems of the mechanical equipment to avoid safety accidentsread more
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Patent
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References
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Patent
Metal wear detection apparatus and method employing microfluidic electronic device
TL;DR: In this paper, an apparatus and a method for detection of wear particles in a lubricant is described, which includes a microfluidic device including a microchannel sized for a lube containing wear particles to pass therethrough and first and second electrodes extending into the microchannel.
Patent
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Patent
Radial magnetic field-based online abrasive grain monitoring sensor and monitoring method
Wei Hong,Shaoping Wang,Lei Han +2 more
TL;DR: In this article, a radial magnetic field-based online abrasive grain monitoring sensor and monitoring method is presented. But the method is not suitable for the online abrasives monitoring of a hydraulic system and can provide service for the demand of state monitoring, fault diagnosis and service life prediction of the hydraulic system.
Patent
High-sensitivity oil abrasive grain on-line monitoring sensor
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Patent
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TL;DR: In this paper, a bridge circuit with four arms was used to detect the presence of electricallyconductive debris in a flow passageway. But the performance of the bridge circuit was limited.