CN116576001A - Comprehensive monitoring device for lubricating oil temperature and pressure, vibration and abrasive dust granularity of engine - Google Patents
Comprehensive monitoring device for lubricating oil temperature and pressure, vibration and abrasive dust granularity of engine Download PDFInfo
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- CN116576001A CN116576001A CN202310801599.8A CN202310801599A CN116576001A CN 116576001 A CN116576001 A CN 116576001A CN 202310801599 A CN202310801599 A CN 202310801599A CN 116576001 A CN116576001 A CN 116576001A
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- abrasive dust
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- 239000000428 dust Substances 0.000 title claims abstract description 70
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 239000010687 lubricating oil Substances 0.000 title claims description 41
- 238000012544 monitoring process Methods 0.000 claims abstract description 109
- 239000003921 oil Substances 0.000 claims abstract description 99
- 239000002184 metal Substances 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000010705 motor oil Substances 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims description 30
- 239000012212 insulator Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 11
- 230000006698 induction Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
- F01M1/20—Indicating or safety devices concerning lubricant pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention relates to the technical field of engine oil liquid state monitoring, in particular to an engine oil liquid temperature and pressure, vibration and abrasive dust granularity comprehensive monitoring device which comprises a metal abrasive dust monitoring sensor, a temperature and pressure monitoring assembly, a vibration monitoring assembly, a data processing controller and a display. The device has compact integral structure and high integration level, realizes the effect of having multiple monitoring functions under the small-volume sensor structure, and is more suitable for complex oil monitoring environments of engines.
Description
Technical Field
The invention relates to the technical field of engine oil liquid state monitoring, in particular to a comprehensive monitoring device for engine oil liquid temperature and pressure, vibration and abrasive dust granularity.
Background
Dynamic monitoring of major equipment oil systems is a research direction that is increasingly emphasized in countries around the world. The safety state of equipment can be effectively reflected by real-time parameters such as oil temperature, oil pressure, metal abrasive dust vibration and the like of the lubricating oil system, and equipment faults possibly occurring can be early warned in advance. Particularly, in the running state of engine system equipment such as an airplane, an automobile and the like, mechanical parts can be worn to a certain extent before faults occur, metal abrasive particles are formed to enter oil liquid such as lubricant and the like, the abrasive particles enter the engine system along with the oil liquid, the normal running of the engine can be influenced to aggravate the faults of the system, unsafe factors can be increased when the oil temperature and the oil pressure are too low or too high, and therefore, the detection and the monitoring of the oil temperature and the wear particles of an oil press on the oil liquid in the electromechanical running equipment are very necessary.
The patent CN116085088A discloses an aircraft lubricating oil tank system which has the integrated monitoring function of oil temperature, oil liquid and metal powder, but adopts the mode that conventional sensors are overlapped, so that most monitors at present are overlapped with temperature sensors, pressure-sensitive sensors, acceleration sensors, electromagnetic sensors (used for detecting metal abrasive dust) and the like, so that the multifunctional sensors are simple in design and easy to realize, and the defects of large volume, low integration level and the like are overcome.
Based on the problems, the invention researches an integrated monitoring device for the oil temperature, the oil pressure, the vibration and the abrasive dust granularity of the engine lubricating oil on the basis of the prior art.
Disclosure of Invention
In order to solve the problems, the invention provides a comprehensive monitoring device for oil temperature and pressure, vibration and abrasive dust granularity of an engine, which is realized in the following way:
an integrated monitoring device for oil temperature, pressure, vibration and abrasive dust granularity of an engine comprises a metal abrasive dust monitoring sensor and a data processing controller electrically connected with the metal abrasive dust monitoring sensor; the metal abrasive dust monitoring sensor is connected in series in an engine oil way, and an oil way channel penetrates through the engine oil way; the data processing controller acquires the granularity of the lubricating oil abrasive dust through a metal abrasive dust monitoring sensor; the method is characterized in that:
the inside of the metal abrasive dust monitoring sensor is also provided with a first coil, a second coil and a third coil which are parallel to each other and mutually inducted, an elastic insulator is arranged between the first coil and the second coil, and a counterweight pressing block is arranged between the second coil and the third coil; the first coil, the second coil and the third coil are respectively and electrically connected with the data processing controller; the first coil is in contact with the oil liquid so as to obtain the temperature of the oil liquid by taking the first coil as a temperature monitoring component; the first coil and the second coil form a temperature and pressure monitoring assembly to acquire a lubricating oil pressure signal; and the second coil and the third coil form a vibration monitoring assembly to acquire a lubricating oil vibration value.
As a further improvement, both the first coil and the second coil are copper wires.
As a further improvement, the data processing controller comprises a lubricating oil abrasive dust granularity data processing and analyzing module, a lubricating oil temperature data processing and analyzing module, a lubricating oil pressure data processing and analyzing module and a sensor vibration data processing and analyzing module;
the lubricating oil abrasive particle size data processing and analyzing module obtains the lubricating oil abrasive particle size through a detection coil of the metal abrasive particle monitoring sensor;
the lubricating oil temperature data processing and analyzing module acquires lubricating oil temperature by detecting resistance signal values of a first coil made of copper wires at different temperatures;
the lubricating oil pressure data processing and analyzing module is in contact with the oil way through a first coil, the first coil is influenced by the pressure of oil to generate up-and-down floating change, and the change of a mutual inductance electric signal caused by the change of the distance between the first coil and a second coil is monitored to obtain the lubricating oil pressure;
the sensor vibration data processing analysis module amplifies the integral mechanical vibration of the sensor through the counterweight pressing block and transmits the mechanical vibration to the third coil, and the vibration value of the sensor is obtained by monitoring the violent change of the mutual inductance electric signal string caused by frequent relative vibration between the third coil and the second coil.
As a further improvement, the coil framework inside the metal abrasive dust monitoring sensor is concavely provided with a mounting groove for a temperature and pressure monitoring component and a vibration monitoring component on the side wall of the oil path, and the temperature and pressure monitoring component and the vibration monitoring component are sequentially embedded in the mounting groove.
As a further improvement, the first coil, the elastic insulator, the second coil, the counterweight pressing block and the third coil are arranged in the mounting groove in a stacked manner from bottom to top; the second coil is fixedly arranged on the inner side wall of the mounting groove, the first coil and the elastic insulator relatively float up and down along with the change of oil, and the third coil and the counterweight pressing block vibrate synchronously along with the vibration of the sensor.
As a further improvement, an oil contact port corresponding to the notch of the mounting groove is formed in the shell of the metal abrasive dust monitoring sensor, the first coil is in contact with oil through the oil contact port, and the elastic insulator is sealed at the upper end of the first coil in a blocking mode.
As a further improvement, a sealing assembly is arranged at the oil contact port.
As a further improvement, the number of turns of the first coil, the second coil and the third coil are the same, and the winding directions of the first coil and the third coil are the same and are opposite to the winding directions of the second coil respectively.
As a further improvement, the rear end of the metal abrasive dust monitoring sensor is also provided with a permanent magnet, and the permanent magnet adsorbs ferromagnetic abrasive dust flowing in the oil.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts the design of a pure inductance type sensor, and a temperature and pressure monitoring component and a vibration monitoring component are arranged in the oil metal abrasive dust monitoring sensor, so that the device has compact integral structure and high integration level, realizes the effect of multiple monitoring functions under the structure of a small-volume sensor, is more suitable for complex oil monitoring environment of an engine, and is particularly as follows:
1. the temperature and pressure monitoring assembly provided by the invention uses the principle of mutual inductance of the coils, adopts two coils made of copper wires to be parallel to each other, judges the temperature of oil by monitoring the change of resistance signals of the coils and processing and analyzing the resistance signals, has high sensitivity to temperature change, can effectively monitor the temperature of the oil, and has small monitoring interference on abrasive dust; the first coil is contacted with the oil way, the first coil is influenced by the pressure of oil to generate up-and-down floating change, the oil pressure condition is obtained by monitoring the mutual inductance signal change between the first coil and the second coil, the signal acquisition is easy, and the pressure calibration is easy.
On the basis, a vibration monitoring assembly is further integrated, a third coil which is mutually related to the second coil is arranged at the upper end of the second coil, a configuration pressing block is arranged between the third coil and the second coil, the vibration signal of the whole sensor is transmitted to the third coil through the configuration pressing block, and the vibration value of the sensor is obtained through the relative vibration of the third coil and the second coil.
2. According to the invention, three parallel coils are adopted to form two groups of mutual inductance coils, an elastic insulator and a counterweight pressing block are combined and integrated in the metal abrasive dust monitoring sensor, so that four-in-one monitoring of oil temperature, oil pressure, sensor vibration and abrasive dust granularity is realized, and the monitoring result is fed back in real time in addition to efficient monitoring, thereby better ensuring the safe operation of an engine lubricating oil system.
Drawings
For a clearer description of the invention or of the technical solutions of the prior art or of the drawings required to be used in the description of the prior art, it is obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic view of the external structure of a metal wear debris monitoring sensor according to the present invention;
FIG. 2 is a schematic cross-sectional view of a metal swarf monitoring sensor of the present invention;
FIG. 3 is an enlarged schematic view of area A of FIG. 2;
FIG. 4 is a schematic structural view of a bobbin of the present invention;
fig. 5 is a schematic structural diagram of the integrated monitoring device of the present invention.
In the figure:
10-oil way;
20-metal abrasive dust monitoring sensors, 21-coil frameworks, 221-mounting grooves, 22-detection coils and 23-excitation coils;
30-warm-pressing monitoring assembly, comprising: 31-a first coil, 32-an elastic insulator, 33-a second coil;
a 40-vibration monitoring assembly comprising: 33-second coil, 41-third coil, 42-counterweight pressing block;
50-a data processing controller;
60-display.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
When the engine works abnormally, a large amount of metal scraps are generated, the metal scraps enter the lubricating oil, the temperature, the oil pressure and the like of the oil in the lubricating oil system are changed, and in order to better monitor the working state of the engine, a monitor is placed in the middle of an oil return pipe of a lubricating oil way, related signals of the oil are captured by the monitoring system, and the signals are processed, so that the safety state of engine equipment is monitored.
Most of the existing monitors for multi-parameter real-time monitoring are overlapped by adopting various conventional sensors, so that the whole equipment is large in size and low in integration level, and obviously cannot be well adapted to complex monitoring work of an engine. Based on the above, the invention researches an engine oil temperature and pressure, vibration and abrasive dust granularity comprehensive monitoring device to achieve true multifunctional integration, and the specific scheme is as follows:
referring to fig. 1-5, an integrated monitoring device for oil temperature and pressure, vibration and abrasive dust granularity of an engine is connected in series in an engine oil circuit 10, and comprises a metal abrasive dust monitoring sensor 20, a temperature and pressure monitoring assembly 30, a vibration monitoring assembly 40, a data processing controller 50 and a display 60 which are electrically connected with each other.
The temperature and pressure monitoring assembly 30 and the vibration monitoring assembly 40 are integrally arranged inside the metal abrasive dust monitoring sensor 20;
the temperature and pressure monitoring assembly 30 comprises a first coil 31 and a second coil 33 which are parallel to each other and mutually inducted, an elastic insulator 32 is arranged between the first coil 31 and the second coil 33, copper wires are adopted for the two coils, and the first coil 31 is in contact with oil;
the vibration monitoring assembly 40 and the temperature and pressure monitoring assembly 30 share a second coil 33, and further comprise a third coil 41 parallel to the second coil 33 and mutually-inductive, wherein a counterweight block 42 is arranged between the second coil 33 and the third coil 41;
the data processing controller 50 comprises four data processing analysis modules including lubricating oil abrasive dust granularity, lubricating oil temperature, lubricating oil pressure and sensor vibration;
the lubricating oil abrasive dust granularity data processing and analyzing module: under the excitation of the excitation coil 23 of the metal abrasive dust monitoring sensor 20, if the oil liquid contains metal abrasive dust particles, the detection coil 22 monitors abnormal electric signals, so that the granularity of the lubricating oil abrasive dust is obtained;
the lubricating oil temperature data processing and analyzing module: the temperature of the lubricating oil is obtained through the sensitivity of the first coil 31 made of the copper wire to temperature change, the sensitivity of the copper wire to temperature change is higher, the higher the temperature is, the higher the resistance value is, the temperature of the oil can be rapidly judged through monitoring the resistance signal value of the coil, and the state of the engine is analyzed according to the change of the signal;
the lubricating oil pressure data processing and analyzing module: the first coil 31 is contacted with the oil path 10, the first coil 31 is influenced by the pressure of oil to generate upward elastic deformation, the elastic insulator 32 assists the first coil 31 and the second coil 33 to generate distance change, and the change of mutual inductance electric signals caused by the distance change between the first coil 31 and the second coil 33 is monitored to acquire the oil pressure;
the sensor vibration data processing and analyzing module is used for: the integral mechanical vibration of the sensor is amplified and transmitted to the third coil through the counterweight pressing block, and the vibration value of the sensor is obtained by monitoring the series-excited change of mutual inductance electric signals caused by frequent relative vibration between the third coil and the second coil.
The specific working principle is as follows:
the four monitoring functions adopt time-sharing monitoring, and the conditions of abrupt change of the oil temperature and the oil pressure in the lubricating oil in a short time are small, so that the first coils can be started to monitor the oil temperature during collection; then enabling the first coil and the second coil to monitor oil pressure; and when the oil pressure is measured, starting the vibration conditions of the second coil and the third coil monitoring sensor. The monitoring of the granularity of the abrasive dust can work synchronously with the monitoring of any one of the temperature, pressure and vibration of the lubricating oil.
And (3) monitoring abrasive dust granularity: according to the electromagnetic induction principle, after metal particles enter an electrified solenoid, the inductance of the induction coil can be changed to influence the output signal of the induction coil, and the coil output signal has a certain relation with the parameter characteristics of metal abrasive dust granularity, so that the relation between the induction coil output signal and the metal abrasive dust granularity can be established, and the metal abrasive dust granularity passing through the induction coil can be judged according to the relation. In this embodiment, the oil metal abrasive dust monitoring sensor of the coil winding mode with two ends excited and middle received is used to monitor abrasive dust granularity, an ac signal is applied to the exciting coils 23 at two ends, the detecting coil 22 receives the electric signal change, the data processing controller 50 determines abrasive dust granularity according to the electric signal change, and the determination result is displayed on the display 60.
Oil temperature monitoring: when oil flows in a pipeline and flows through the oil metal abrasive dust monitoring sensor, the resistance value of the first coil 31 made of copper wires changes along with the temperature change of the oil, real-time resistance signals of the first coil 31 are collected, the resistance signals are transmitted to the data processing controller 50 through a lead circuit, and the measured oil temperature is displayed in the display 60 after data processing;
oil pressure monitoring: the second coil 33 contacts with the oil path 10, the second coil 33 floats up and down along with the pressure change of the oil, so that the two inductance coils are close to or far away from each other, the magnetic field change of the second coil 33 affects the first coil 31, and the signal change of the first coil 31 is monitored to perform oil pressure calibration;
vibration monitoring: when the oil metal filings monitoring sensor 20 vibrates abnormally, the counterweight pressing block 40 vibrates synchronously with the sensor and transmits vibration machinery to the third coil 41, the third coil 41 and the second coil 33 are mutually transformed, the change of the mutual inductance is collected, the vibration condition is judged by the data processing controller 50, and the judgment result is displayed on the display 60.
Further, the metal dust monitoring sensor 20 includes a housing, a coil frame 21, and a detection coil 22 and an excitation coil 23 wound on the coil frame 21, where the housing fixes and protects the coils, fixes the navigation socket, and forms a closed cavity with the left end cover joint and the right end cover joint. In order to enable the temperature and pressure monitoring assembly 30 and the vibration detection assembly to be more stably arranged in the metal abrasive dust monitoring sensor 20, a mounting groove 221 for the temperature and pressure monitoring assembly 30 and the vibration monitoring assembly is concavely formed in the side wall, close to the oil path 10, of the coil skeleton 21 inside the metal abrasive dust monitoring sensor 20, and the temperature and pressure monitoring assembly 30 and the vibration monitoring assembly are sequentially embedded in the mounting groove 221. As shown in fig. 2, the mounting grooves 221 are provided at both ends of the bobbin 21, and the coil for monitoring abrasive grains is provided in the middle of the bobbin 21, so that monitoring sensitivity is not affected by interference with each other during monitoring. In the embodiment, the gap between the oil guide pipe and the coil skeleton is reserved reasonably, so that the extrusion influence of the oil guide pipe on the skeleton can be eliminated.
As a further improvement, the first coil 31, the elastic insulator 32, the second coil 33, the weight block 42, and the third coil 41 are stacked in the mounting groove from bottom to top; the second coil 33 is fixed on the inner wall of the mounting groove 221, the first coil 31 and the elastic insulator 32 float up and down relatively with the change of the oil, and the third coil 42 and the weight block 41 vibrate synchronously with the vibration of the sensor.
As a further improvement, the shell of the metal abrasive dust monitoring sensor is provided with an oil contact port corresponding to the notch of the mounting groove, the second coil is in contact with oil through the oil contact port, and the elastic insulator is used for blocking and sealing other monitoring elements at the upper end of the first coil. In the embodiment, the sealing assembly is arranged at the oil contact port, so that the oil is prevented from entering the sensor to damage electronic elements in the sensor.
In this embodiment, the number of turns of the first coil 31, the second coil 33, and the third coil 41 are the same, and the winding directions of the first coil 31 and the third coil 41 are opposite to the winding direction of the second coil 33.
The rear end of the metal dust monitoring sensor 20 in this embodiment is further provided with a permanent magnet, and the permanent magnet adsorbs ferromagnetic dust flowing in the oil liquid to prevent dust particles from entering the lubricating oil system to damage equipment.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An integrated monitoring device for oil temperature, pressure, vibration and abrasive dust granularity of an engine comprises a metal abrasive dust monitoring sensor (20) and a data processing controller (50) electrically connected with the metal abrasive dust monitoring sensor (20); the metal abrasive dust monitoring sensor (20) is connected in series in an engine oil circuit (10) and enables an oil circuit channel to penetrate through the engine oil circuit; the data processing controller (50) obtains the granularity of the lubricating oil abrasive dust through the metal abrasive dust monitoring sensor (20); the method is characterized in that:
the inside of the metal abrasive dust monitoring sensor (20) is also provided with a first coil (31), a second coil (33) and a third coil (41) which are parallel to each other and mutually inducted, an elastic insulator (32) is arranged between the first coil (31) and the second coil (33), and a counterweight pressing block (42) is arranged between the second coil (33) and the third coil (41); the first coil (31), the second coil (33) and the third coil (41) are respectively electrically connected with the data processing controller (50); wherein the first coil (31) is in contact with oil to obtain the temperature of the oil by using the first coil (31) as a temperature monitoring component; the first coil (31) and the second coil (33) form a temperature and pressure monitoring assembly (30) to acquire a lubricating oil pressure signal; the second coil (33) and the third coil (41) also form a vibration monitoring assembly (40) to acquire a lubricating oil vibration value.
2. The device for comprehensively monitoring the oil temperature and pressure, vibration and abrasive dust granularity of the engine according to claim 1, wherein the first coil (31) and the second coil (33) are both copper wires.
3. The comprehensive monitoring device for oil temperature and pressure, vibration and abrasive dust granularity of the engine according to claim 2, wherein the data processing controller (50) comprises an oil abrasive dust granularity data processing and analyzing module, an oil temperature data processing and analyzing module, an oil pressure data processing and analyzing module and a sensor vibration data processing and analyzing module;
the lubricating oil abrasive particle size data processing and analyzing module obtains lubricating oil abrasive particle size through a detection coil (22) of a metal abrasive particle monitoring sensor (20);
the lubricating oil temperature data processing and analyzing module acquires the lubricating oil temperature by detecting resistance signal values of a first coil (31) made of copper wires at different temperatures;
the lubricating oil pressure data processing and analyzing module is in contact with the oil way (10) through the first coil (31), the first coil (31) is influenced by the pressure of oil to generate up-down floating change, and the change of a mutual inductance electric signal caused by the change of the distance between the first coil (31) and the second coil (33) is monitored to obtain the lubricating oil pressure;
the sensor vibration data processing analysis module amplifies the integral mechanical vibration of the sensor through the counterweight pressing block (42) and transmits the mechanical vibration to the third coil (41), and the vibration value of the sensor is obtained by monitoring the violent change of the mutual inductance electric signal string caused by frequent relative vibration between the third coil (41) and the second coil (33).
4. The comprehensive monitoring device for oil temperature and pressure, vibration and abrasive dust granularity of the engine according to claim 1, wherein a coil framework (21) inside the metal abrasive dust monitoring sensor (20) is concavely provided with a mounting groove (221) for a temperature and pressure monitoring assembly (30) and a vibration monitoring assembly (40) close to the side wall of an oil path, and the temperature and pressure monitoring assembly (30) and the vibration monitoring assembly (40) are sequentially embedded in the mounting groove (221).
5. The device for comprehensively monitoring the oil temperature and pressure, vibration and abrasive dust granularity of the engine according to claim 4, wherein the first coil (31), the elastic insulator (32), the second coil (33), the counterweight pressing block (42) and the third coil (41) are arranged in the mounting groove (221) in a stacked manner from bottom to top; the second coil (33) is fixedly arranged on the inner side wall of the mounting groove (221), the first coil (31) and the elastic insulator (32) relatively float up and down along with the change of oil liquid, and the third coil (41) and the counterweight pressing block (42) vibrate synchronously along with the vibration of the sensor.
6. The device for comprehensively monitoring the oil temperature and pressure, vibration and abrasive dust granularity of the engine according to claim 4, wherein an oil contact port corresponding to the notch of the mounting groove (221) is arranged on the shell of the metal abrasive dust monitoring sensor (20), the first coil (31) is in contact with the oil through the oil contact port, and the elastic insulator (32) is blocked and sealed at the upper end of the first coil (31).
7. The device for comprehensively monitoring the wear debris granularity of the engine oil temperature and pressure and the vibrator according to claim 6, wherein a sealing assembly is arranged at the oil contact port.
8. The device for comprehensively monitoring the oil temperature and pressure, vibration and abrasive dust granularity of the engine according to claim 1, wherein the number of turns of the first coil (31), the second coil (33) and the third coil (41) are the same, and the winding directions of the first coil (31) and the third coil (41) are the same and are opposite to the winding directions of the second coil (33) respectively.
9. The comprehensive monitoring device for the oil temperature and pressure, vibration and abrasive dust granularity of the engine according to claim 1, wherein a permanent magnet is further arranged at the rear end of the metal abrasive dust monitoring sensor (20), and the permanent magnet adsorbs ferromagnetic abrasive dust flowing in the oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310801599.8A CN116576001A (en) | 2023-07-03 | 2023-07-03 | Comprehensive monitoring device for lubricating oil temperature and pressure, vibration and abrasive dust granularity of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310801599.8A CN116576001A (en) | 2023-07-03 | 2023-07-03 | Comprehensive monitoring device for lubricating oil temperature and pressure, vibration and abrasive dust granularity of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116576001A true CN116576001A (en) | 2023-08-11 |
Family
ID=87545548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310801599.8A Pending CN116576001A (en) | 2023-07-03 | 2023-07-03 | Comprehensive monitoring device for lubricating oil temperature and pressure, vibration and abrasive dust granularity of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116576001A (en) |
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2023
- 2023-07-03 CN CN202310801599.8A patent/CN116576001A/en active Pending
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