Capacitive hydraulic oil abrasive grain distinguishing and monitoring device
A monitoring device and hydraulic oil technology, which are applied in measurement devices, fluid pressure actuation devices, particle suspension analysis, etc. The effect of low probability of occurrence
Inactive Publication Date: 2019-10-25
DALIAN MARITIME UNIVERSITY
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Problems solved by technology
[0003] According to the above-mentioned technical problems, in order to solve the problem that the existing abrasive particle monitoring device cannot distinguish and detect ferrous abrasive particles and non-ferrous metal abrasive particles in the hydraulic system, the present invention provides a capacitive hydraulic oil abrasive particle distinguishing Monitoring device to prevent abrasive particles from continuing to circulate in the hydraulic system, reducing the probability of failure
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[0018] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0019] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...
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Abstract
The invention provides a capacitive hydraulic oil abrasive grain distinguishing and monitoring device. The device comprises a detection pipe, a ferrous abrasive grain detection area for detecting content of ferrous abrasive grains in hydraulic oil and a non ferrous metal abrasive grain detection area for detecting content of non ferrous metal abrasive grains in the hydraulic oil are arranged successively along the oil flowing direction, and connecting structures connecting the distinguishing and monitoring device to bypass pipes are arranged in the two sides of the detection pipe respectively.A magnet and a filter core are added into the detection pipe to separate ferrous abrasive grains from the non ferrous metal abrasive grains effectively, and an annular plate electrode is used to monitor contents of the ferrous abrasive grains and the non ferrous metal abrasive grains; and with addition of the magnet and filter core, the abrasive grains in the hydraulic oil are separated and prevented from circulating in the hydraulic system, and fault possibility is reduced.
Description
technical field [0001] The invention relates to the technical field of G01N27 / 22 passing test capacitance, and in particular, relates to a capacitive hydraulic oil wear grain distinction monitoring device. Background technique [0002] Particle pollutants in oil are the most important cause of hydraulic system failures. Being able to detect information about particle pollutants in oil is a reliable solution for fault diagnosis of equipment systems. The pollutants in hydraulic oil mainly come from the residual and generated pollutants in the hydraulic system and the pollutants intruded from the outside. The pollutants are mainly metal abrasive particles. The detection of pollutants in the oil can not only accurately evaluate the operating status of the hydraulic system, but also diagnose system failures based on the nature of the pollutants. The testing methods for oil particle pollutants mainly include optical detection, acoustic detection, inductance detection and capacita...
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IPC IPC(8): G01N15/06F15B21/041
CPCF15B21/041G01N15/0656
Inventor 张洪朋史皓天赵旭鹏乔卫亮陈海泉孙玉清
Owner DALIAN MARITIME UNIVERSITY