Dual-solenoid-coil type multi-parameter oil contamination detecting sensor
A detection sensor and double solenoid technology, applied in the direction of material impedance, material capacitance, etc., can solve problems such as dangerous working conditions, increase in solid particle size, system paralysis, etc., and achieve low cost, easy manufacture, and strong detection ability Effect
Inactive Publication Date: 2019-05-28
DALIAN MARITIME UNIVERSITY
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Problems solved by technology
The abnormal wear of the machinery causes the particle size of the solid particles to increase rapidly, even reaching more than 100 μm, which is prone to dangerous working conditions and causes system paralysis
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[0054] The present invention also provides a double solenoid coil type multi-parameter oil pollutant detection sensor. When in use, the sensor has two working modes: inductance detection mode and capacitance detection mode;
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Abstract
The invention provides a dual-solenoid-coil type multi-parameter oil contamination detecting sensor. The sensor comprises a micro-fluidics detecting chip, a sensing unit and an impedance analyzer; themicro-fluidics detecting chip comprises a glass substrate and a chip body arranged on the glass substrate; the chip body comprises a micro channel arranged on the chip body, one end of the micro channel is provided with an oil inlet, and the other end of the micro channel is provided with an oil outlet; a sensing unit is composed of two oppositely-distributed solenoid coils of the same structure,and the sensing unit is connected with the impedance analyzer through an insulation wire. According to the technical scheme, the problems that in the prior art, detection parameters are single, multiple contaminations cannot be effectively detected, and the detection precision is low.
Description
technical field [0001] The invention relates to the technical field of oil liquid detection, in particular to a double solenoid coil type multi-parameter oil liquid pollutant detection sensor. Background technique [0002] Wear is one of the most common failure forms that lead to abnormal operation and failure of various machinery and equipment. The inevitable product of internal friction and wear of equipment - wear particles suspended in the oil of the lubrication system, is a reflection of the internal wear condition (degree, location) of the equipment. and type) important information carrier. When the oil system is working normally, the particle size of the pollution particles is kept below 20μm. The abnormal wear of the machinery causes the particle size of the solid particles to increase rapidly, even reaching more than 100 μm, which is prone to dangerous working conditions and causes system paralysis. Therefore, the oil detection technology can detect large particle...
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IPC IPC(8): G01N27/02G01N27/22
Inventor 张洪朋白晨朝赵旭鹏曾霖虞子雷
Owner DALIAN MARITIME UNIVERSITY
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