Double-light-source oil particle counter and working method thereof

Through the dual-light source design of oil particle counter, the single light source counter has solved the shortcomings in detection accuracy, anti-interference ability and particle distinction, and achieved higher detection accuracy and sensitivity, ensuring accurate monitoring of oil pollution.

CN119666703APending Publication Date: 2025-03-21JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD
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Patent Information

Application Number
CN202411746175.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

The existing single-light oil particle counters have shortcomings in detection accuracy, anti-interference ability and distinction between different types of particles, especially when the oil flow rate changes, it is easy to cause particle detection errors, and the detection sensitivity of micro particles is low.

Method used

The dual light source design is adopted, and the photoresistance characteristics of particles in the oil are detected by two lasers and two detectors, and they are compensated for each other, achieving higher detection accuracy and anti-interference ability, as well as the ability to distinguish different particle types.

Benefits of technology

It improves the accuracy and sensitivity of oil particle counting, reduces the impact of flow rate on counting, enhances the ability to identify different particle types, and ensures more accurate oil pollution monitoring.

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Abstract

According to the double-light-source oil particle counter and the working method thereof, synchronous detection is conducted through two light sources with the same wavelength, on one hand, high-precision monitoring of the oil flow speed is achieved, on the other hand, the oil particle detection function is combined, and therefore real-time evaluation of equipment abrasion and the system health condition is further optimized. Through the double-light-source technology, the device can accurately monitor the change of the flow velocity of oil, capture the dynamic characteristics of the oil in real time and provide timely flow velocity feedback for the system. Therefore, the influence of flow velocity change on particle counting is eliminated. According to the invention, two pairs of light path systems are used for respectively detecting the light resistance characteristics of the particles in the oil and mutually compensating, so that the particles with different sizes can be identified and counted more accurately, the influence of flow velocity on counting in unit time is eliminated, and the reliability and accuracy of detection are improved.
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