CN117782579A - Engine gear vibration monitoring device and method - Google Patents
Engine gear vibration monitoring device and method Download PDFInfo
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- CN117782579A CN117782579A CN202410039057.6A CN202410039057A CN117782579A CN 117782579 A CN117782579 A CN 117782579A CN 202410039057 A CN202410039057 A CN 202410039057A CN 117782579 A CN117782579 A CN 117782579A
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Abstract
The invention relates to the technical field of mechanical engineering, in particular to an engine gear vibration monitoring device and a method thereof, and aims to solve the problem that the variation amplitude of vibration signals is different due to the individual difference between different sensors and an engine of the existing engine gear vibration monitoring device.
Description
Technical Field
The invention relates to the technical field of mechanical engineering, in particular to an engine gear vibration monitoring device and method.
Background
Monitoring engine vibration is one of the important tasks of the electromechanical management subsystem. The electromechanical management subsystem monitors the vibration speed of the engine and uploads the vibration speed to the cabin for real-time display, and immediately alarms when the vibration speed exceeds the standard, so that the pilot is assisted in judging the health condition of the engine, and the state monitoring of the engine is realized. The individual differences between different sensors and the engine of the existing motor gear vibration monitoring device can cause different variation amplitudes of vibration signals, even under the same abnormal condition, the calculated vibration speed values can be inconsistent, certain difficulty can be brought to fault judgment, and misjudgment or omission can be caused.
Disclosure of Invention
Therefore, the invention provides an engine gear vibration monitoring device and a method thereof, which are used for overcoming the defects in the prior art.
The invention provides an engine gear vibration monitoring device, comprising: the sensor unit comprises a vibration sensor and an infrared sensor, wherein the vibration sensor and the infrared sensor are arranged on the outer side of the engine, the vibration sensor is used for monitoring the vibration condition of the engine gear in real time, and the infrared sensor is used for collecting the actual temperature of the outer surface of the engine in real time;
the receiving sensor is connected with the sensor unit and is used for receiving the vibration signals acquired by the sensor unit, and performing signal processing and analysis;
the data acquisition card is connected with the receiving sensor and is used for acquiring and storing data of the vibration signals;
the controller is in charge of receiving and processing data of the data acquisition card, executing fault judgment and generating an alarm signal or a control instruction;
display and alarm unit: the display and alarm unit is connected with the controller and is used for displaying and alarming the monitoring result.
Further, the display and alarm device comprises a display screen and an alarm lamp.
Further, the monitoring device includes:
analog circuitry: the method is used for primarily amplifying, filtering, adjusting and processing the sensor signals so as to ensure the signal quality and reliability.
And (3) a filter: for reducing noise and interference in the sensor signal to extract effective vibration and temperature signals.
An amplifier: for amplifying the sensor signal to a sufficient amplitude for subsequent processing.
Further, the display screen is used for displaying real-time data and alarm information of the engine gear vibration monitoring device, and the alarm lamp sends out a visual alarm signal when abnormal gear vibration or faults are monitored.
Further, the failure determination of the controller is a statistical feature analysis determination method that evaluates the overall characteristics of the vibration signal by calculating statistical feature parameters of the vibration signal, such as mean, variance, kurtosis, skewness, and the like. Vibration signals in abnormal or fault conditions typically cause statistical parameters to change, so that a comparison can be made with the parameter differences in normal conditions to determine if a fault exists.
Further, the monitoring device also comprises a remote communication unit, and the remote communication unit comprises a wireless device and a mobile terminal connected through the wireless device and is used for transmitting vibration monitoring data and alarm information to the mobile terminal through a network so as to realize remote monitoring and management.
Further, the mobile terminal can be connected with a plurality of monitoring devices, and through the mobile terminal, a plurality of engine gear vibration monitoring devices can be monitored and managed simultaneously, so that time and energy can be saved, and management efficiency can be improved.
Further, an engine gear vibration monitoring device, the use method comprises,
the vibration sensor and the infrared sensor are installed outside the engine and are secured to the sensor unit S1.
S2, receiving vibration and temperature signals from a sensor unit by a receiving sensor, and performing signal processing and analysis;
s3, acquiring and storing the processed vibration signals by using a data acquisition card for subsequent analysis and fault diagnosis;
s4, the controller receives the data of the data acquisition card, executes a fault judgment algorithm, and generates an alarm signal or a control instruction according to a judgment result;
s5, the display and alarm unit displays and alarms the monitoring result, the display screen can display real-time data and alarm information of the engine gear vibration monitoring device, and the alarm lamp can send out a visual alarm signal when detecting abnormal gear vibration or faults;
and S6, the vibration monitoring data and the alarm information can be transmitted to the mobile terminal through a network, so that remote monitoring and management are realized.
Compared with the prior art, the vibration sensor and the infrared sensor can monitor vibration and temperature signals of the engine gear in real time, timely capture abnormal conditions, process and store the vibration signals through signal processing and analysis, and perform fault diagnosis by using a fault judgment algorithm so as to discover abnormal conditions and potential faults of gear vibration early and improve the accuracy and reliability of the engine gear vibration monitoring device.
Drawings
Fig. 1 is a flowchart of a method for using an engine gear vibration monitoring device according to the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
An engine gear vibration monitoring device includes: the sensor unit comprises a vibration sensor and an infrared sensor, wherein the vibration sensor and the infrared sensor are arranged on the outer side of the engine, the vibration sensor is used for monitoring the vibration condition of the engine gear in real time, and the infrared sensor is used for collecting the actual temperature of the outer surface of the engine in real time;
the receiving sensor is connected with the sensor unit and is used for receiving the vibration signals acquired by the sensor unit, and performing signal processing and analysis;
the data acquisition card is connected with the receiving sensor and is used for acquiring and storing data of the vibration signals;
the controller is in charge of receiving and processing data of the data acquisition card, executing fault judgment and generating an alarm signal or a control instruction;
display and alarm unit: the display and alarm unit is connected with the controller and is used for displaying and alarming the monitoring result.
The display and alarm device comprises a display screen and an alarm lamp.
The signal processing unit includes:
analog circuitry: the method is used for primarily amplifying, filtering, adjusting and processing the sensor signals so as to ensure the signal quality and reliability.
And (3) a filter: for reducing noise and interference in the sensor signal to extract effective vibration and temperature signals.
An amplifier: for amplifying the sensor signal to a sufficient amplitude for subsequent processing.
Further, the display screen is used for displaying real-time data and alarm information of the engine gear vibration monitoring device, and the alarm lamp sends out a visual alarm signal when abnormal gear vibration or faults are monitored.
The fault determination of the controller is a statistical feature analysis determination method, and the statistical feature analysis determination method evaluates the integral features of the vibration signal by calculating the statistical feature parameters of the vibration signal, such as mean value, variance, kurtosis, skewness and the like. Vibration signals in abnormal or fault conditions typically cause statistical parameters to change, so that a comparison can be made with the parameter differences in normal conditions to determine if a fault exists.
The monitoring device also comprises a remote communication unit, wherein the remote communication unit comprises a wireless device and a mobile terminal connected through the wireless device and is used for transmitting vibration monitoring data and alarm information to the mobile terminal through a network so as to realize remote monitoring and management.
Further, the mobile terminal can be connected with a plurality of monitoring devices, and through the mobile terminal, a plurality of engine gear vibration monitoring devices can be monitored and managed simultaneously, so that time and energy can be saved, and management efficiency can be improved.
An engine gear vibration monitoring apparatus, the method comprising,
and S1, installing a vibration sensor and an infrared sensor on the outer side of the engine, ensuring that the vibration sensor and the infrared sensor are connected with a sensor unit, and ensuring the reliability of signal transmission.
S2, receiving vibration and temperature signals by a receiving sensor unit, sending the vibration and temperature signals to a signal processing module for further processing and analysis, and performing preliminary amplification, filtering and adjustment on the signals by using an analog circuit to improve the quality of the signals;
s3, collecting and storing the processed vibration signals by using a data collecting card, wherein the data collecting card can record vibration data in real time and store the vibration data on a local or movable storage device so as to facilitate subsequent data analysis and fault diagnosis;
s4, the controller receives vibration data from the data acquisition card, executes a preset fault judgment algorithm to judge whether the engine gear is abnormal or faulty, and can generate an alarm signal or a control instruction according to a judgment result;
s5, the display and alarm unit displays and alarms the monitoring result, the display screen can display data and alarm information of the engine gear vibration monitoring device in real time, so that a user can intuitively know the working state of the engine, and meanwhile, the alarm lamp can send out a visual alarm signal when detecting abnormal gear vibration or faults so as to draw the attention of the user;
and S6, transmitting the vibration monitoring data and the alarm information to the mobile terminal through a network through the remote communication unit to realize remote monitoring and management, and acquiring real-time data and the alarm information by the mobile terminal and carrying out remote management and operation.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to 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 (8)
1. An engine gear vibration monitoring device, comprising:
the sensor unit comprises a vibration sensor and an infrared sensor, wherein the vibration sensor and the infrared sensor are arranged on the outer side of the engine, the vibration sensor is used for monitoring the vibration condition of the engine gear in real time, and the infrared sensor is used for collecting the actual temperature of the outer surface of the engine in real time;
the receiving sensor is connected with the sensor unit and is used for receiving the vibration signals acquired by the sensor unit, and performing signal processing and analysis;
the data acquisition card is connected with the receiving sensor and is used for acquiring and storing data of the vibration signals;
the controller is in charge of receiving and processing data of the data acquisition card, executing fault judgment and generating an alarm signal or a control instruction;
display and alarm unit: the display and alarm unit is connected with the controller and is used for displaying and alarming the monitoring result.
2. An engine gear vibration monitoring device according to claim 1, wherein the display and alarm device comprises a display screen and an alarm lamp.
3. The engine gear vibration monitoring device according to claim 1, wherein the monitoring device comprises:
the analog circuit is used for primarily amplifying, filtering, adjusting and processing the sensor signals;
a filter for reducing noise and interference in the sensor signal;
and an amplifier for amplifying the sensor signal.
4. The engine gear vibration monitoring device according to claim 2, wherein the display screen is used for displaying real-time data and alarm information of the engine gear vibration monitoring device, and the alarm lamp emits a visual alarm signal when abnormal or fault of gear vibration is monitored.
5. The engine gear vibration monitoring device according to claim 1, wherein the failure determination of the controller is a statistical feature analysis determination method.
6. The engine gear vibration monitoring device according to claim 1, further comprising a remote communication unit, wherein the remote communication unit comprises a wireless device and a mobile terminal connected through the wireless device, and is used for transmitting vibration monitoring data and alarm information to the mobile terminal through a network, so as to realize remote monitoring and management.
7. The engine gear vibration monitoring device of claim 6, wherein the mobile terminal is connectable to a plurality of monitoring devices.
8. A method for monitoring engine gear vibration, according to any one of claims 1 to 7, comprising,
s1, mounting a vibration sensor and an infrared sensor on the outer side of an engine and ensuring that the vibration sensor and the infrared sensor are connected with a sensor unit;
s2, receiving vibration and temperature signals from a sensor unit by a receiving sensor, and performing signal processing and analysis;
s3, acquiring and storing the processed vibration signals by using a data acquisition card for subsequent analysis and fault diagnosis;
s4, the controller receives the data of the data acquisition card, executes a fault judgment algorithm, and generates an alarm signal or a control instruction according to a judgment result;
s5, the display and alarm unit displays and alarms the monitoring result, the display screen can display real-time data and alarm information of the engine gear vibration monitoring device, and the alarm lamp can send out a visual alarm signal when detecting abnormal gear vibration or faults;
and S6, the vibration monitoring data and the alarm information can be transmitted to the mobile terminal through a network, so that remote monitoring and management are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410039057.6A CN117782579A (en) | 2024-01-11 | 2024-01-11 | Engine gear vibration monitoring device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410039057.6A CN117782579A (en) | 2024-01-11 | 2024-01-11 | Engine gear vibration monitoring device and method |
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| CN117782579A true CN117782579A (en) | 2024-03-29 |
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| CN202410039057.6A Pending CN117782579A (en) | 2024-01-11 | 2024-01-11 | Engine gear vibration monitoring device and method |
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