CN117782579A - An engine gear vibration monitoring device and method thereof - Google Patents
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Abstract
本发明涉及机械工程技术领域，尤其涉及一种发动机齿轮振动监测装置及其方法，为了解决现有的动机齿轮振动监测装置不同传感器和发动机之间的个体差异可能导致振动信号的变化幅度不同的问题，本发明包括传感器单元、接收传感器、控制器、显示和报警单元，本发明通过振动传感器和红外传感器能够实时监测发动机齿轮的振动和温度信号，及时捕捉到异常情况，通过信号处理和分析，能够对振动信号进行处理和存储，并使用故障判定算法执行故障诊断可以及早发现齿轮振动的异常情况和潜在故障，提高发动机齿轮振动监测装置的精准度和可靠性。
The invention relates to the technical field of mechanical engineering, and in particular to an engine gear vibration monitoring device and a method thereof. In order to solve the problem in the existing engine gear vibration monitoring device that individual differences between different sensors and engines may lead to different amplitudes of changes in vibration signals. , the invention includes a sensor unit, a receiving sensor, a controller, a display and an alarm unit. The invention can monitor the vibration and temperature signals of the engine gear in real time through a vibration sensor and an infrared sensor, and capture abnormal situations in a timely manner. Through signal processing and analysis, it can Processing and storing vibration signals, and using fault determination algorithms to perform fault diagnosis can detect abnormalities and potential faults in gear vibration early and improve the accuracy and reliability of the engine gear vibration monitoring device.
Description
技术领域Technical field
本发明涉及机械工程技术领域，尤其涉及一种发动机齿轮振动监测装置及其方法。The present invention relates to the technical field of mechanical engineering, and in particular to an engine gear vibration monitoring device and a method thereof.
背景技术Background technique
对发动机振动的监测是机电管理分系统的重要任务之一。机电管理分系统监测发动机振动速度并上传在座舱进行实时显示，振动速度超标时立即报警，辅助飞行员判断发动机健康状况，实现对发动机的状态监控。现有的动机齿轮振动监测装置不同传感器和发动机之间的个体差异可能导致振动信号的变化幅度不同，即使是同样的异常情况，解算出的振动速度值也可能不一致，会给故障判定带来一定的困难，可能导致误判或遗漏。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 it to the cockpit for real-time display. When the vibration speed exceeds the standard, it will immediately alarm to assist the pilot in judging the health of the engine and monitor the status of the engine. Individual differences between different sensors and engines in existing engine gear vibration monitoring devices may lead to different change amplitudes of vibration signals. Even for the same abnormal situation, the calculated vibration speed values may be inconsistent, which will bring certain problems to fault determination. difficulties, which may lead to misjudgments or omissions.
发明内容Contents of the invention
为此，本发明提供一种发动机齿轮振动监测装置及其方法，用以克服现有技术中。To this end, the present invention provides an engine gear vibration monitoring device and a method thereof to overcome the problems in the prior art.
本发明提供一种发动机齿轮振动监测装置包括：传感器单元，所述传感器单元包括振动传感器和红外传感器，所述振动传感器和所述红外传感器均设于发动机外侧，所述振动传感器用于实时监测发动机齿轮的振动情况，所述红外传感器用于实时采集发动机外表面的实际温度；The present invention provides an engine gear vibration monitoring device comprising: a sensor unit, the sensor unit comprising a vibration sensor and an infrared sensor, the vibration sensor and the infrared sensor are both arranged outside the engine, the vibration sensor is used to monitor the vibration of the engine gear in real time, and the infrared sensor is used to collect the actual temperature of the outer surface of the engine in real time;
接收传感器，所述接收传感器与所述传感器单元相连接，用于接收传感器单元采集到的振动信号，并进行信号处理和分析；A receiving sensor, the receiving sensor is connected to the sensor unit and is used to receive the vibration signal collected by the sensor unit and perform signal processing and analysis;
数据采集卡，所述数据采集卡与所述接收传感器相连接，用于采集并存储振动信号的数据；A data acquisition card, which is connected to the receiving sensor and used to collect and store vibration signal data;
控制器，所述控制器负责接收和处理数据采集卡的数据，执行故障判定，生成报警信号或控制指令；A controller, which is responsible for receiving and processing data from the data acquisition card, performing fault determination, and generating alarm signals or control instructions;
显示和报警单元：所述显示和报警单元与所述控制器相连接，用于将监测结果进行显示和报警。Display and alarm unit: The display and alarm unit is connected to the controller and used to display and alarm monitoring results.
进一步地，所述显示和报警装置包括显示屏和报警灯。Further, the display and alarm device includes a display screen and an alarm light.
进一步地，所述监测装置包括：Further, the monitoring device includes:
模拟电路：用于对传感器信号进行初步的放大、滤波、调节和处理，以保证信号质量和可靠性。Analog circuit: used for preliminary amplification, filtering, adjustment and processing of sensor signals to ensure signal quality and reliability.
滤波器：用于降低传感器信号中的噪声和干扰，以提取有效的振动和温度信号。Filter: Used to reduce noise and interference in sensor signals to extract effective vibration and temperature signals.
放大器：用于放大传感器信号，使其具有足够的幅度进行后续处理。Amplifier: used to amplify the sensor signal so that it has sufficient amplitude for subsequent processing.
进一步地，所述显示屏用于显示发动机齿轮振动监测装置的实时数据和报警信息，所述报警灯在监测到齿轮振动异常或故障时，发出视觉报警信号。Furthermore, the display screen is used to display real-time data and alarm information of the engine gear vibration monitoring device, and the alarm light sends out a visual alarm signal when abnormal gear vibration or failure is detected.
进一步地，所述控制器的故障判定为统计特征分析判定法，所述统计特征分析判定法通过计算振动信号的统计特征参数，如均值、方差、峰度、偏度等，对振动信号的整体特征进行评估。异常或故障状态下的振动信号通常会导致统计参数发生变化，从而可以通过比较与正常状态下的参数差异来判断是否存在故障。Further, the fault determination of the controller is based on the statistical feature analysis and determination method. The statistical feature analysis and determination method calculates the statistical feature parameters of the vibration signal, such as mean, variance, kurtosis, skewness, etc., to evaluate the overall vibration signal. Characteristics are evaluated. Vibration signals under abnormal or faulty conditions usually lead to changes in statistical parameters, so that whether there is a fault can be determined by comparing the parameter differences with those under normal conditions.
进一步地，所述监测装置还包括远程通信单元，所述远程通信单元包括无线装置和通过无线装置相连接的移动终端，用于将振动监测数据和报警信息通过网络传输到移动终端，实现远程监控和管理。Further, the monitoring device further includes a remote communication unit, which includes a wireless device and a mobile terminal connected through the wireless device, and is used to transmit vibration monitoring data and alarm information to the mobile terminal through the network to achieve remote monitoring. and management.
进一步地，所述移动终端可与多台监测装置相连接，通过移动终端，可以同时监控和管理多台发动机齿轮振动监测装置，可以节省时间和精力，提高管理效率。Furthermore, the mobile terminal can be connected to multiple monitoring devices. Through the mobile terminal, multiple engine gear vibration monitoring devices can be monitored and managed at the same time, which can save time and energy and improve management efficiency.
进一步地，一种发动机齿轮振动监测装置，所述使用方法包括，Further, an engine gear vibration monitoring device, the use method includes:
S1:将振动传感器和红外传感器安装在发动机外侧，并确保其与传感器单元连接。S1: Install the vibration sensor and infrared sensor outside the engine and make sure they are connected to the sensor unit.
S2:接收传感器接收来自传感器单元的振动和温度信号，并进行信号处理和分析；S2: The receiving sensor receives the vibration and temperature signals from the sensor unit and performs signal processing and analysis;
S3:使用数据采集卡对处理后的振动信号进行采集和存储，以备后续的分析和故障诊断；S3: Use the data acquisition card to collect and store the processed vibration signals for subsequent analysis and fault diagnosis;
S4:控制器接收数据采集卡的数据，并执行故障判定算法,根据判定结果，生成报警信号或控制指令；S4: The controller receives the data from the data acquisition card, executes the fault determination algorithm, and generates alarm signals or control instructions based on the determination results;
S5:显示和报警单元将监测结果进行显示和报警,显示屏可以显示发动机齿轮振动监测装置的实时数据和报警信息，报警灯可以在检测到齿轮振动异常或故障时发出视觉报警信号；S5: The display and alarm unit displays the monitoring results and alarms. The display screen can display the real-time data and alarm information of the engine gear vibration monitoring device, and the alarm light can send out a visual alarm signal when abnormal gear vibration or failure is detected;
S6:上述振动监测数据和报警信息可以通过网络传输到移动终端，实现远程监控和管理。S6: The above vibration monitoring data and alarm information can be transmitted to mobile terminals through the network to achieve remote monitoring and management.
与现有技术相比，本发明通过振动传感器和红外传感器能够实时监测发动机齿轮的振动和温度信号，及时捕捉到异常情况，通过信号处理和分析，能够对振动信号进行处理和存储，并使用故障判定算法执行故障诊断可以及早发现齿轮振动的异常情况和潜在故障，提高发动机齿轮振动监测装置的精准度和可靠性。Compared with the existing technology, the present invention can monitor the vibration and temperature signals of engine gears in real time through vibration sensors and infrared sensors, capture abnormal situations in time, and process and store vibration signals through signal processing and analysis, and use faults The fault diagnosis performed by the decision algorithm can detect abnormal conditions and potential faults of gear vibration early and improve the accuracy and reliability of the engine gear vibration monitoring device.
附图说明Description of the drawings
图1为本发明所述的一种发动机齿轮振动监测装置使用方法流程图。Figure 1 is a flow chart of a method of using an engine gear vibration monitoring device according to the present invention.
具体实施方式Detailed ways
为了使本发明的目的和优点更加清楚明白，下面结合实施例对本发明作进一步描述；应当理解，此处所描述的具体实施例仅仅用于解释本发明，并不用于限定本发明。In order to make the purpose and advantages of the present invention more clear, the present invention will be further described below in conjunction with the examples; it should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本发明的技术原理，并非在限制本发明的保护范围。Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of the present invention.
需要说明的是，在本发明的描述中，术语“上”、“下”、“左”、“右”、“内”、“外”等指示的方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer" and other terms indicating the direction or positional relationship are based on the figures. The directions or positional relationships shown are only for convenience of description and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.
此外，还需要说明的是，在本发明的描述中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本发明中的具体含义。In addition, it should be noted that in the description of the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a fixed connection. It is a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
一种发动机齿轮振动监测装置包括：传感器单元，所述传感器单元包括振动传感器和红外传感器，所述振动传感器和所述红外传感器均设于发动机外侧，所述振动传感器用于实时监测发动机齿轮的振动情况，所述红外传感器用于实时采集发动机外表面的实际温度；An engine gear vibration monitoring device includes: a sensor unit. The sensor unit includes a vibration sensor and an infrared sensor. The vibration sensor and the infrared sensor are both located outside the engine. The vibration sensor is used to monitor the vibration of the engine gear in real time. situation, the infrared sensor is used to collect the actual temperature of the outer surface of the engine in real time;
接收传感器，所述接收传感器与所述传感器单元相连接，用于接收传感器单元采集到的振动信号，并进行信号处理和分析；A receiving sensor, which is connected to the sensor unit and is used to receive vibration signals collected by the sensor unit and perform signal processing and analysis;
数据采集卡，所述数据采集卡与所述接收传感器相连接，用于采集并存储振动信号的数据；A data acquisition card, which is connected to the receiving sensor and used to collect and store vibration signal data;
控制器，所述控制器负责接收和处理数据采集卡的数据，执行故障判定，生成报警信号或控制指令；A controller, which is responsible for receiving and processing data from the data acquisition card, performing fault determination, and generating alarm signals or control instructions;
显示和报警单元：所述显示和报警单元与所述控制器相连接，用于将监测结果进行显示和报警。Display and alarm unit: The display and alarm unit is connected to the controller and used to display and alarm monitoring results.
所述显示和报警装置包括显示屏和报警灯。The display and alarm device includes a display screen and an alarm light.
所述信号处理单元包括：The signal processing unit includes:
模拟电路：用于对传感器信号进行初步的放大、滤波、调节和处理，以保证信号质量和可靠性。Analog circuit: used for preliminary amplification, filtering, adjustment and processing of sensor signals to ensure signal quality and reliability.
滤波器：用于降低传感器信号中的噪声和干扰，以提取有效的振动和温度信号。Filter: Used to reduce noise and interference in sensor signals to extract effective vibration and temperature signals.
放大器：用于放大传感器信号，使其具有足够的幅度进行后续处理。Amplifier: used to amplify the sensor signal so that it has sufficient amplitude for subsequent processing.
进一步地，所述显示屏用于显示发动机齿轮振动监测装置的实时数据和报警信息，所述报警灯在监测到齿轮振动异常或故障时，发出视觉报警信号。Further, the display screen is used to display real-time data and alarm information of the engine gear vibration monitoring device, and the alarm light sends out a visual alarm signal when abnormal gear vibration or failure is detected.
所述控制器的故障判定为统计特征分析判定法，所述统计特征分析判定法通过计算振动信号的统计特征参数，如均值、方差、峰度、偏度等，对振动信号的整体特征进行评估。异常或故障状态下的振动信号通常会导致统计参数发生变化，从而可以通过比较与正常状态下的参数差异来判断是否存在故障。The fault determination of the controller is based on the statistical feature analysis and determination method. The statistical feature analysis and determination method evaluates the overall characteristics of the vibration signal by calculating the statistical feature parameters of the vibration signal, such as mean, variance, kurtosis, skewness, etc. . Vibration signals under abnormal or faulty conditions usually lead to changes in statistical parameters, so that whether there is a fault can be determined by comparing the parameter differences with those under normal conditions.
所述监测装置还包括远程通信单元，所述远程通信单元包括无线装置和通过无线装置相连接的移动终端，用于将振动监测数据和报警信息通过网络传输到移动终端，实现远程监控和管理。The monitoring device also includes a remote communication unit, which includes a wireless device and a mobile terminal connected via the wireless device, and is used to transmit vibration monitoring data and alarm information to the mobile terminal via a network to achieve remote monitoring and management.
进一步地，所述移动终端可与多台监测装置相连接，通过移动终端，可以同时监控和管理多台发动机齿轮振动监测装置，可以节省时间和精力，提高管理效率。Furthermore, the mobile terminal can be connected to multiple monitoring devices. Through the mobile terminal, multiple engine gear vibration monitoring devices can be monitored and managed at the same time, which can save time and energy and improve management efficiency.
一种发动机齿轮振动监测装置，所述方法包括，An engine gear vibration monitoring device, the method includes:
S1:将振动传感器和红外传感器安装在发动机外侧，并确保其与传感器单元连接，保证信号传输的可靠性。S1: Install the vibration sensor and infrared sensor on the outside of the engine and ensure that they are connected to the sensor unit to ensure the reliability of signal transmission.
S2:接收传感器单元接收振动和温度信号，并将其发送给信号处理模块进行进一步处理和分析，可以使用模拟电路对信号进行初步放大、滤波和调节来提高信号的质量；S2: The receiving sensor unit receives the vibration and temperature signals and sends them to the signal processing module for further processing and analysis. Analog circuits can be used to initially amplify, filter and adjust the signals to improve the quality of the signals;
S3:使用数据采集卡来采集和存储经过处理的振动信号，数据采集卡会实时记录振动数据，并将其存储在本地或可移动的存储设备上，以便后续的数据分析和故障诊断；S3: Use the data acquisition card to collect and store the processed vibration signals. The data acquisition card will record the vibration data in real time and store it on a local or removable storage device for subsequent data analysis and fault diagnosis;
S4:控制器接收来自数据采集卡的振动数据，并执行预先设定的故障判定算法判断发动机齿轮是否存在异常或故障，根据判定结果，控制器可以生成报警信号或控制指令；S4: The controller receives the vibration data from the data acquisition card and executes the preset fault determination algorithm to determine whether there is an abnormality or fault in the engine gear. Based on the determination result, the controller can generate an alarm signal or control instruction;
S5:显示和报警单元将监测结果进行显示和报警，显示屏可以实时显示发动机齿轮振动监测装置的数据和报警信息，使用户可以直观地了解发动机的工作状态，同时，报警灯也可以在检测到齿轮振动异常或故障时发出视觉报警信号，以引起用户的注意；S5: The display and alarm unit displays and alarms the monitoring results. The display screen can display the data and alarm information of the engine gear vibration monitoring device in real time, allowing the user to intuitively understand the working status of the engine. At the same time, the alarm light can also be used when detecting When the gear vibration is abnormal or fails, a visual alarm signal is issued to attract the user's attention;
S6:通过远程通信单元，振动监测数据和报警信息可以通过网络传输到移动终端，实现远程监控和管理，移动终端可以，获取实时数据和报警信息，并进行远程管理和操作。S6: Through the remote communication unit, vibration monitoring data and alarm information can be transmitted to the mobile terminal through the network to achieve remote monitoring and management. The mobile terminal can obtain real-time data and alarm information, and perform remote management and operation.
至此，已经结合附图所示的优选实施方式描述了本发明的技术方案，但是，本领域技术人员容易理解的是，本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下，本领域技术人员可以对相关技术特征做出等同的更改或替换，这些更改或替换之后的技术方案都将落入本发明的保护范围之内。So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings. However, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or replacements to relevant technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present invention.
以上所述仅为本发明的优选实施例，并不用于限制本发明；对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
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