Sensor for detecting ferromagnetic particles in lubricating oil with high precision
A technology of particle detection and lubricating oil, which is applied in the field of sensors, can solve the problems of weak anti-interference ability, high equipment cost, and dependence on imports, and achieve the effect of low cost, high sensitivity, and reduced interference
Inactive Publication Date: 2016-08-17
北京远瑞科技有限公司
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Problems solved by technology
Most of the existing lubricating oil ferromagnetic particle detection equipment relies on imports, which are bulky and costly, and are only suitable for laboratory applications
And the anti-interference ability in the detection process is relatively weak
Method used
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Embodiment Construction
[0022] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0023] like figure 1 As shown, a high-precision sensor for detecting ferromagnetic particles in lubricating oil includes an oil chamber 1, a housing 5, a detection probe 6, a fixing block 7, a magnet 8, a connector 11 and a PCB board 10, the oil chamber 1 and the housing 5 connection, the bottom of the oil chamber 1 is provided with a detection probe 6, the detection probe 6 is connected to the PCB board 10 through the fixed block 7, and the detection probe 6 is electrically connected to the PCB board 10 through the connection probe 9, and the detection probe 6 and the PCB board A magnet 8 is set between 10, a connector 11 is set on the end of the shell 5 opposite t...
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The invention discloses a high-precision sensor for detecting ferromagnetic particles in lubricating oil. The high-precision sensor comprises an oil containing cavity, a shell, a detection probe, a fixing block, a magnet, a connector and a PCB, wherein the oil containing cavity is connected with the shell; the detection probe is arranged at the bottom of the oil containing cavity and is connected with the PCB through the fixing block; furthermore, the detection probe is electrically connected with the PCB through connection probes; the magnet is arranged between the detection probe and the PCB; the connector is arranged at one end, which is opposite to the oil containing cavity, of the shell; the PCB is electrically connected with an external circuit through the connector; the detection probe transmits a detected signal to the PCB through the connection probes; the PCB amplifies, detects and acquires the signal detected by the detection probe and transmits the signal to the external circuit through the connector. The high-precision sensor achieves the aims of simple structure, high sensitivity, low cost and high interference resistance.
Description
technical field [0001] The invention relates to the field of sensors, in particular to a sensor for detecting ferromagnetic particles in lubricating oil with high precision. Background technique [0002] During the operation of the equipment, the lubricating oil of mechanical equipment gradually mixes a large amount of iron filings with the high-speed operation of the equipment, and the mixing of iron filings intensifies the friction of the equipment, which causes a vicious circle, aggravates the loss of equipment, and reduces the lubrication effect. With the increasing role of lubricating oil in equipment operation, how to accurately detect ferromagnetic particles has attracted more and more attention. In the continuous and in-depth research on lubricating oil, it is found that the wear rate or the total amount of iron filings will increase sharply and exceed a certain level on the eve of wear failure. [0003] Iron filings analysis is a mechanical condition detection and ...
Claims
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IPC IPC(8): G01N27/22
Inventor 亓俊涛殷宗平
Owner 北京远瑞科技有限公司