A swirling wear particle detection sensor and its dispersion effect analysis method
A technology for detecting sensors and wear particles, which is applied in particle and sedimentation analysis, particle size analysis, and material analysis. It can solve the problems of error in particle detection results, improve detection sensitivity and accuracy, and reduce the probability of missed and false positives. Effect
Active Publication Date: 2021-09-21
BEIJING INSTITUTE OF TECHNOLOGYGY
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And the research shows that when ferromagnetic particle groups and non-ferromagnetic particle groups with the same particle size and the same distance pass through the wear particle detection sensor in the same posture, the magnetic coupling effect between ferromagnetic particles is the strongest, which has a greater influence on the magnetic field detected by the detection coil. Enhancement effect, resulting in the most obvious error in particle detection results
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[0069] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0070] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0071] like Figure 1-Figure 8 As shown: this embodiment provides a swirl wear particle detection sensor, including a turbulent flow separation zone 1 and a wear particle detection zone 2, the turbulent flow separ...
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Abstract
The invention discloses a sensor for detecting swirl wear particles, which comprises a turbulent flow separation area and a wear particle detection area, the turbulent flow separation area is a disk with a cavity, the inner wall of the disk is a cylindrical surface, and the circle The side wall of the disc is provided with an outwardly protruding extension tube, the extension tube is provided with an oil inlet, the oil inlet is offset on the disc, and the disc is provided with an oil outlet , the oil outlet communicates with the inlet of the wear detection area. The invention can improve the detection sensitivity and accuracy of the wear particle detection sensor, and reduce the missed report and false positive probability of the wear particle detection sensor in the wear fault detection process.
Description
technical field [0001] The invention relates to the technical field of wear detection equipment, in particular to a swirl wear particle detection sensor and a dispersion effect analysis method thereof. Background technique [0002] During the working process of mechanical equipment, the wear and tear of parts is inevitable. The occurrence of wear and tear will not only reduce the working efficiency of the equipment, but also affect its service life. Relevant studies have shown that mechanical failure caused by component wear is one of the important factors affecting the normal operation of mechanical equipment. When relative motion occurs between different types of friction pairs in mechanical equipment, a large number of wear particles will be generated. When moving in the mechanical system, it will further increase the degree of equipment wear and eventually lead to the occurrence of serious mechanical failure. In addition, wear particles, as a product of wear phenomena,...
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IPC IPC(8): G01N15/02G01N27/74
CPCG01N15/0266G01N27/74
Inventor 郑长松贾然王旭马彪陈漫李慧珠
Owner BEIJING INSTITUTE OF TECHNOLOGYGY