CN210513217U - Engine lubricating oil on-line monitoring system - Google Patents
Engine lubricating oil on-line monitoring system Download PDFInfo
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- CN210513217U CN210513217U CN201921210237.7U CN201921210237U CN210513217U CN 210513217 U CN210513217 U CN 210513217U CN 201921210237 U CN201921210237 U CN 201921210237U CN 210513217 U CN210513217 U CN 210513217U
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Abstract
The utility model relates to an engine lubricating oil on-line monitoring system, including the detection module, the analysis module, data transmission system and display device, the engine lubricating oil fluid kinematic viscosity under the temperature at this moment is gathered to fluid physical and chemical properties sensor, the circuit board calculates the kinematic viscosity of oil when 40 ℃ at this moment according to engine lubricating oil fluid kinematic viscosity along with the rule of temperature variation, the dielectric constant that oil 40 ℃ kinematic viscosity and fluid physical and chemical properties sensor that calculate measured contrasts with this engine lubricating oil 40 ℃ standard kinematic viscosity scope and dielectric constant scope numerical value that set up, judge whether this engine lubricating oil fluid quality goes wrong, and transmit the contrast result to display device through data transmission system. The utility model discloses can accurately judge engine lubricating oil quality of oils, improve work efficiency, practice thrift manpower and materials.
Description
Technical Field
The utility model relates to an on-line monitoring technical field especially relates to an engine lubricating oil on-line monitoring system.
Background
The key of determining the oil change time of the engine lubricating oil is to accurately evaluate the performance of the oil product used on line. There are two main ways to evaluate lubricating oils: online and offline. The traditional off-line detection has long detection period, and cannot reflect the running condition of equipment in time, but the problems can be overcome by adopting on-line monitoring. The on-line monitoring needs to work by means of an on-line monitoring system, and the existing on-line detection system for the engine lubricating oil cannot accurately judge the oil quality of the engine lubricating oil, so that multiple detection and judgment are needed, the judgment period is prolonged, and the working efficiency is low.
Disclosure of Invention
The utility model discloses aim at solving prior art not enough, and provide an engine lubricating oil on-line monitoring system.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: an on-line monitoring system for engine lubricating oil comprises a detection module, an analysis module, a data transmission system and a display device, wherein the detection module comprises a plurality of oil physical and chemical property sensors, the analysis module comprises a circuit board for data analysis, the oil physical and chemical property sensors measure the oil quality of the engine lubricating oil, analog quantity signals of the oil quality of the engine lubricating oil are converted into electric signals which are transmitted to the circuit board through the data transmission system, the oil physical and chemical property sensors collect the kinematic viscosity of the engine lubricating oil at the current temperature, the circuit board calculates the kinematic viscosity of the engine lubricating oil at the current temperature according to the rule that the kinematic viscosity of the engine lubricating oil changes along with the temperature, the kinematic viscosity of the oil at the current temperature calculated by the circuit board is 40 ℃, the dielectric constant measured by the oil physical and chemical property sensors is compared with the set values of the standard, and judging whether the quality of the lubricating oil of the engine has a problem or not, and transmitting the comparison result to display equipment through a data transmission system.
The oil physical and chemical property sensor is positioned on a main oil path of engine lubricating oil.
The display equipment is a computer display screen.
The sampling period of the oil physical and chemical performance sensor is 1 s.
The oil physical and chemical property sensor comprises a temperature sensor, a dielectric constant sensor, a viscosity sensor and a density sensor.
The data transmission system is a high-temperature shielded wire for wired transmission.
The utility model has the advantages that: the utility model discloses can accurately judge the lubricated oil quality of engine, improve work efficiency, practice thrift manpower and materials.
Drawings
Fig. 1 is a block diagram of the present invention;
FIG. 2 is a flow chart of the present invention;
FIG. 3 is a main circuit diagram A of the circuit board;
FIG. 4 is a main circuit diagram B of the circuit board;
the main circuit diagram A of the circuit board and the main circuit diagram B of the circuit board are both part of the main circuit diagram of the circuit board, and the main circuit diagram A of the circuit board and the main circuit diagram B of the circuit board form an integral circuit diagram of the main circuit diagram of the circuit board;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 1-4, an on-line monitoring system for engine lubricating oil comprises a detection module, an analysis module, a data transmission system and a display device, wherein the detection module comprises a plurality of oil physicochemical property sensors, the analysis module comprises a circuit board for data analysis, the oil physicochemical property sensors measure the oil quality of the engine lubricating oil, analog quantity signals of the oil quality of the engine lubricating oil are converted into electric signals which are transmitted to the circuit board through the data transmission system, the oil physicochemical property sensors collect the kinematic viscosity of the engine lubricating oil at the current temperature, the circuit board calculates the kinematic viscosity of the engine lubricating oil at 40 ℃ according to the rule that the kinematic viscosity of the engine lubricating oil changes along with the temperature, the kinematic viscosity of the oil at 40 ℃ calculated by the circuit board and the dielectric constant measured by the oil physicochemical property sensors are compared with the set values of the standard kinematic viscosity range and the dielectric constant range of the, and judging whether the quality of the lubricating oil of the engine has a problem or not, and transmitting the comparison result to display equipment through a data transmission system.
The oil physical and chemical property sensor is positioned on a main oil path of engine lubricating oil.
The display equipment is a computer display screen.
The sampling period of the oil physical and chemical performance sensor is 1 s.
The oil physical and chemical property sensor comprises a temperature sensor, a dielectric constant sensor, a viscosity sensor and a density sensor.
The data transmission system is a high-temperature shielded wire for wired transmission.
The utility model discloses during operation, fluid real-time temperature T (degree C) is measured to fluid physical and chemical properties sensor, dynamic viscosity P (MPa.s), density rho (g/cm)3) And a dielectric constant N. And transmitting the data to a circuit board through a data line. The circuit board firstly calculates the kinematic viscosity v (mm) of the oil liquid at the temperature at the moment according to a formula2/s), i.e., v ═ P/ρ. The kinematic viscosity of the oil at 40 ℃ at the moment is calculated according to the empirical formula lg (v +0.65) of the kinematic viscosity of the oil changing along with the temperature, namely A-BlgT. And comparing the calculated kinematic viscosity at 40 ℃ of the oil product and the measured dielectric constant with the set numerical values of the standard kinematic viscosity range and the dielectric constant range at 40 ℃ of the oil product, judging whether the quality of the oil liquid has problems, and transmitting the comparison result to display equipment through a data transmission system. The utility model discloses can accurately judge the lubricated oil quality of engine, improve work efficiency, practice thrift manpower and materials.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (5)
1. An on-line monitoring system for engine lubricating oil comprises a detection module, an analysis module, a data transmission system and a display device, and is characterized in that the detection module comprises a plurality of oil physical and chemical property sensors, the analysis module comprises a circuit board for data analysis, the oil physical and chemical property sensors measure the oil quality of the engine lubricating oil, analog quantity signals of the oil quality of the engine lubricating oil are converted into electric signals which are transmitted to the circuit board through the data transmission system, the oil physical and chemical property sensors collect the kinematic viscosity of the engine lubricating oil at the moment, the circuit board calculates the kinematic viscosity of the oil at 40 ℃ according to the rule that the kinematic viscosity of the oil of the engine lubricating oil changes along with the temperature, the kinematic viscosity at 40 ℃ calculated by the circuit board and the dielectric constant measured by the oil physical and chemical property sensors are compared with the set values of the standard kinematic viscosity range and the dielectric, and judging whether the quality of the lubricating oil of the engine is in problem or not, and transmitting the comparison result to display equipment through a data transmission system.
2. The on-line engine lubricating oil monitoring system of claim 1, characterized in that the oil physical and chemical property sensor is located on a main oil path of the engine lubricating oil.
3. The on-line engine lubricating oil monitoring system of claim 1, wherein the display device is a computer display screen.
4. The on-line monitoring system for the engine lubricating oil according to claim 1, wherein the sampling period of the oil physical and chemical property sensor is 1 s.
5. The on-line monitoring system for the engine lubricating oil according to claim 1, wherein the oil physical and chemical property sensor comprises a temperature sensor, a dielectric constant sensor, a viscosity sensor and a density sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210237.7U CN210513217U (en) | 2019-07-30 | 2019-07-30 | Engine lubricating oil on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921210237.7U CN210513217U (en) | 2019-07-30 | 2019-07-30 | Engine lubricating oil on-line monitoring system |
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| CN210513217U true CN210513217U (en) | 2020-05-12 |
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| CN201921210237.7U Active CN210513217U (en) | 2019-07-30 | 2019-07-30 | Engine lubricating oil on-line monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088927A (en) * | 2021-12-02 | 2022-02-25 | 绍兴淼汇能源科技有限公司 | Online health monitoring method for lubricating oil |
| CN115015523A (en) * | 2022-06-14 | 2022-09-06 | 南京师范大学 | Lubricating oil online monitoring system and method based on oil analysis |
| CN115163250A (en) * | 2022-06-13 | 2022-10-11 | 广西玉柴船电动力有限公司 | Engine control method based on engine oil quality |
| CN116148133A (en) * | 2023-04-25 | 2023-05-23 | 西安热工研究院有限公司 | Method and device for evaluating quality of oil product of power in-use oil |
| CN118294504A (en) * | 2024-04-16 | 2024-07-05 | 中国石化润滑油有限公司济南分公司 | Lubricating oil online monitoring and calibrating method and device based on oil analysis |
-
2019
- 2019-07-30 CN CN201921210237.7U patent/CN210513217U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088927A (en) * | 2021-12-02 | 2022-02-25 | 绍兴淼汇能源科技有限公司 | Online health monitoring method for lubricating oil |
| CN115163250A (en) * | 2022-06-13 | 2022-10-11 | 广西玉柴船电动力有限公司 | Engine control method based on engine oil quality |
| CN115163250B (en) * | 2022-06-13 | 2023-08-15 | 广西玉柴船电动力有限公司 | Engine control method based on engine oil quality |
| CN115015523A (en) * | 2022-06-14 | 2022-09-06 | 南京师范大学 | Lubricating oil online monitoring system and method based on oil analysis |
| CN116148133A (en) * | 2023-04-25 | 2023-05-23 | 西安热工研究院有限公司 | Method and device for evaluating quality of oil product of power in-use oil |
| CN116148133B (en) * | 2023-04-25 | 2023-08-29 | 西安热工研究院有限公司 | Method and device for evaluating quality of oil product of power in-use oil |
| CN118294504A (en) * | 2024-04-16 | 2024-07-05 | 中国石化润滑油有限公司济南分公司 | Lubricating oil online monitoring and calibrating method and device based on oil analysis |
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