KR20230125565A - A System for Diagnosing a Part of a Wheel Type of an Armed Vehicle - Google Patents

Abstract

The present invention relates to a component diagnosis system for a wheeled armored vehicle. The component diagnosis system for a wheeled armored vehicle includes: a component detection module that detects vibration, noise, and temperature of components of an armored vehicle; a movement information module that acquires vehicle speed information and axle revolution per minute (RPM) information; a component parameter acquisition module (17) that acquires parameter values of each component from the detection information detected from the component detection module; a data map/location information generation module (18) that provides a data map and location information for the detection information acquired to the parameter acquisition module (17); and a storage/component defect diagnosis module (19) that stores the acquired parameter values of each component and detects the combination of each component from the acquired parameters. Accordingly, real-time detection and diagnosis of the wheel condition of a wheeled armored vehicle are possible.

Description

A System for Diagnosing a Part of a Wheel Type of an Armed Vehicle}

The present invention relates to a system for diagnosing parts of a wheeled armored vehicle, and more specifically, to a system for diagnosing parts of a wheeled armored vehicle capable of detecting the state of various parts of the wheeled armored vehicle based on vibration, noise or temperature detection.

An armored vehicle corresponding to a combat vehicle whose body is protected by a steel plate is divided into a wheeled type and a tracked type, and the wheeled type has a structure that moves using wheels such as automobile wheels. Such a wheel type has the advantage of being able to move at a high speed and making little noise during the movement. In the case of a wheeled armored vehicle, it is necessary to diagnose the condition of the wheels or axles in advance in preparation for movement on a difficult route. Various prior art related to diagnosis of wheels, bearings or axles is known in this field, for example, Patent Publication No. 10-2018-0075729 discloses an axle bearing temperature sensing device. In addition, Patent Registration No. 10-2097944 discloses a method for detecting damage to a bearing by processing a vibration signal emitted from an engine mounted on a vehicle. Diagnosis of the condition of wheels, axles or bearings of a wheeled armored vehicle can be performed by detecting, for example, vibration or temperature, and a sensor suitable for the structure of the armored vehicle needs to be applied while a suitable detection method is applied. However, the prior art or known art does not disclose such a method.

The present invention is to solve the problems of the prior art and has the following object.

Prior Art 1: Patent Publication No. 10-2018-0079729 (Korea Railroad Research Institute, published on July 6, 2018) Axle bearing temperature sensing device Prior art 2: Patent Registration No. 10-2097944 (Hyundai Motor Co., Ltd., 2020.04.07. Announcement) Engine bearing damage detection method using vibration signal

An object of the present invention is to provide a component diagnosis system for a wheeled armored vehicle that detects vibration, noise and temperature so that the condition of a wheel, axle or bearing of the wheeled armored vehicle is detected in real time.

According to a preferred embodiment of the present invention, a component diagnosis system for a wheeled armored vehicle includes a component detection module for detecting vibration, noise, and temperature of components of an armored vehicle; A movement information module for obtaining vehicle speed information and RPM (Revolution Per Minute) information of an axle; a part parameter acquisition module for acquiring parameter values of each part from detection information detected by the part detection module; a data map/location information generation module providing data map and location information for the acquired detection information to the parameter acquisition module; and a storage/component defect diagnosis module for storing the obtained parameter values of each part and detecting the coupling of each part from the acquired parameters.

According to another preferred embodiment of the present invention, the parts of the armored vehicle become a reducer, a wheel or an axle bearing, and the detection information becomes vibration, noise and temperature.

According to another preferred embodiment of the present invention, the part detection module is attached to the wheel, axle or reducer, and the detected information is transmitted to the data acquisition module installed inside the armored vehicle through wire or wireless.

According to another preferred embodiment of the present invention, the part detection module further includes a part jig installed at a part or a position adjacent to the part, and the part jig is detachable from the part.

According to another preferred embodiment of the present invention, the data map/location information generation module includes a location/cycle analysis module for analyzing the generation location and generation period of the detection information.

An object of the present invention is to enable a component diagnosis system of a wheeled armored vehicle to detect and diagnose the wheel condition of the wheeled armored vehicle in real time. The system according to the present invention detects vibration, noise, and temperature while correlating detection parameters to enable diagnosis of external damage as well as internal damage. The system according to the present invention enables preliminary maintenance of an armored vehicle and thereby quickly copes with various situations. The system according to the present invention can be applied to diagnosis of various parts of an armored vehicle, and the present invention is not limited thereby.

1 shows an embodiment of a system for diagnosing parts of a wheeled armored vehicle according to the present invention.
Figure 2 shows an embodiment to which the system according to the present invention is applied.
Figure 3 shows an embodiment of a method of installing each detection means in an armored vehicle in the system according to the present invention.
Figure 4 shows an embodiment of the operating process of the system according to the present invention.

Below, the present invention will be described in detail with reference to the embodiments presented in the accompanying drawings, but the embodiments are for a clear understanding of the present invention, and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so repeated descriptions are not made unless necessary for understanding the invention, and well-known components are briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment of.

1 shows an embodiment of a system for diagnosing parts of a wheeled armored vehicle according to the present invention.

Referring to FIG. 1, a component diagnosis system of a wheeled armored vehicle includes a component detection module for detecting vibration, noise, and temperature of parts of an armored vehicle; A movement information module for obtaining vehicle speed information and RPM (Revolution Per Minute) information of an axle; a part parameter acquisition module 17 for acquiring parameter values of each part from detection information detected by the part detection module; a data map/location information generation module 18 which provides data map and location information for the detection information acquired to the parameter acquisition module 17; and a storage/component defect diagnosis module 19 for storing the obtained parameter values of each part and detecting the coupling of each part from the acquired parameters.

Parts of the armored vehicle may be a reducer 11a, a wheel 11b, an axle bearing 11c or similar parts, but are not limited thereto. A plurality of reducers 11a, wheels 11b, and axle bearings 11c may be disposed in an armored vehicle, and each part may be a subject of diagnosis. A unique identification code is applied to each part, and the unique identification code may include part location information. Detection sensors such as a vibration sensor 12, a noise sensor 13, and a temperature sensor 14 may be attached to each part to obtain operation state information for each part. A unique identification code is applied to each sensor 12 , 13 , and 14 , and the unique identification code may include location information of each sensor 12 , 13 , and 14 . In the operating state, the operating state of each component 11a, 11b, 11c can be detected by each sensor 12, 13, 14, and the obtained information can be transmitted to the component parameter acquisition module 17. there is. The detection information may include a part identification code or a sensor identification code, and may be detected in real time and transmitted to the part parameter acquisition module 17 . The component parameter acquisition module 17 can be mounted on an armored vehicle, and preferably installed inside the armored vehicle. Vehicle speed and axle RPM information may be obtained by the vehicle speed information module 15 or the axle RPM (Revolution Per Minute) information module 16 and transmitted to the component parameter acquisition module 17 . The part parameter acquisition module 17 stores positional information of each part, obtains detection information while storing information on the installation position of each sensor 12, 13, and 14, and obtains vehicle speed information and axle RPM information. It may have a function of acquiring, combining detection information, and classifying each detection information by combining detection time. A data map/location information generation module 18 may be installed, and location information of each part and location information of the sensors 12, 13, and 14 may be stored in the data map/location information generation module 18. . The component parameter acquisition module 17 may check the location information of the component or sensors 12, 13, and 14 according to the unique identification code with reference to the data map/location information generation module 18. The data map/location information generation module 18 may have a function of determining a location where a predetermined parameter is generated based on detection information sensed by the same sensor disposed at different locations. The predetermined parameter may be an out-of-standard parameter generated during operation, such as, for example, vibration outside a predetermined frequency band, impact vibration, temperature outside a predetermined range, and noise level outside a predetermined range. When such a parameter value is generated, the value detected by a plurality of sensors is displayed in a map form based on the installation location, and the occurrence location can be determined. Alternatively, a data map may be displayed on the screen displaying parameter values generated at different locations. In this way, the data map/location information generation module 18 may have a function of detecting an occurrence location when an out of standard event occurs during the operation of the armored vehicle. In addition, it may have a function of converting information detected by each sensor into numerical values, combining them with locations, and displaying them in the form of a map while storing them.

The detection information acquired by the component parameter acquisition module 17 and combined with position information or visual information may be transmitted to the storage/component defect diagnosis module 19 . The storage/component defect diagnosis module 19 may analyze and diagnose whether each component has a defect based on the transmitted detection information. Diagnosis results may be displayed on the screen, and detection information and diagnosis information may be stored. Diagnosis may be made based on predetermined reference parameter values, and diagnosis may be made for each part and displayed in various ways, and the present invention is not limited thereby.

Figure 2 shows an embodiment to which the system according to the present invention is applied.

Referring to FIG. 2, the part detection module is attached to a wheel, axle or reducer, and the detected information is transmitted to the data acquisition module 26 installed inside the armored vehicle via wire or wireless. The wheeled armored vehicle body 21; a plurality of wheels 22; axle 23; and an inlet 24. Vibration sensor 12, noise sensor 13 and temperature sensor 14 at or adjacent to each wheel 22 to detect the operating state of the wheel 22, axle 23 or axle bearing can be installed. A vibration sensor 12, a noise sensor 13, and a temperature sensor 14 may be installed on the basis of each wheel 22, and each wheel 22, axle 23 or a part to be detected Each of the sensors 12, 13, and 14 may be installed, and the location and direction of each sensor 12, 13, and 14 may be determined and specified based on the position of the part. A detection module 28 may be installed in the reducer 27, vibration or noise generated in the reducer 27 may be measured by the detection module 28, and the operating temperature of the reducer 27 may also be detected. can The data acquisition module 26 may be installed inside the armored vehicle, and the data acquisition module 26 may be the component parameter acquisition module described above. The data acquisition module 26 may have a function of collecting data from each of the sensors 12, 13, and 14 and the detection module 28 and classifying the collected data. An analysis module may be installed inside the armored vehicle, and a diagnostic module may be optionally installed. The analysis module may have a function of analyzing the data for each part obtained by the data acquisition module 26 to determine whether there is a defective part, and if a defect occurs, analyze the location and cause of the defect. . The diagnostic module may have a function of diagnosing whether to replace parts, whether to drive or not, or a risk level based on the results analyzed by the analysis module. The analysis module or diagnosis module may have various functions for analyzing or diagnosing the state or operation level of each part, and the present invention is not limited thereby.

The data acquisition module 26 may be connected to enable data communication with each of the sensors 12, 13, and 14 or the detection module 28 through short-range wireless communication, but preferably wired communication using communication cables 25 and 25a. Data can be obtained through Detection information obtained by each of the sensors 12, 13, and 14 or the detection module 28 may be converted into a transmittable electrical signal. unique identification code of the part; position or orientation information of each sensor 12, 13, 14 and detection module 28; Detection time information or information related thereto may be combined with detection information. Detection information combined with related information may be transmitted to the data acquisition module 26 through the communication cables 25 and 25a. The data acquisition module 26 may verify and classify the transmitted information. A screen displaying detection information, analysis information, or diagnosis information may be installed inside the armored vehicle, and an alarm means for generating an alarm when a defect is found may be installed. Information obtained by each center 12, 13, 14 or detection module 28 may be transmitted to data acquisition module 26 in a variety of ways, and the present invention is not limited thereby.

Figure 3 shows an embodiment of a method of installing each detection means in an armored vehicle in the system according to the present invention.

Referring to FIG. 3 , the part detection module further includes a part jig 36 installed at a part or a position adjacent to the part, and the part jig 36 is detachable from the part. The noise sensor module 31 includes a noise detection jig 311 having a linear member structure; Attachment tabs 312 for fixing the noise detection jig 312 to various locations of the armored vehicle; A noise sensor unit 313 including a detection means such as a microphone, which is detachably coupled to the noise detection jig 311; It may be made of a coupling bracket 314 for fixing the noise sensor unit 313 to the fastening portion 315 formed in the noise detection jig 311 . The attachment tab 312 may have various structures such as a magnetic coupling structure, a screw coupling structure, or a fitting coupling structure, and may be coupled to a part requiring temperature detection or to a position adjacent to a part. Alternatively, the noise detection jig 311 may be formed in advance at a part or a position adjacent to the part. The noise detection jig 311 may be made of various materials, for example, it may be made of a magnetic material. The fastening bracket 314 may have a function of detachably coupling the noise sensor unit 313 to the fastening portion 315, and the fastening portion 315 may have an appropriate structure capable of coupling the fastening bracket 314. For example, the fastening bracket 314 may be coupled to the fastening part 315 by means of a fastening means or similar means in a magnetic coupling method. A coupling position or formation position of the noise detection jig 311 may be determined in advance, and the noise sensor unit 313 may be detachably coupled to the noise detection jig 311 in various ways. The noise detection jig 311 may be coupled or formed on various wall surfaces (S) of an armored vehicle or parts, and coupling position information may be set in advance. A wheel may be coupled to an axle 34 , and an axle bearing module 35 may be coupled to the axle 34 . In addition, vibration or temperature generated in the wheel or axle bearing 35 may be detected by the vibration sensor module 32 and the temperature sensor module 33 . The vibration sensor unit 323 and the temperature sensor unit 332 may be installed in one component jig 36, and the component jig 36 may be U-shaped as a whole. Mounting tabs 361 and 362 may be formed at the ends of both branches of the component jig 36, and the mounting tabs 361 and 362 may include, for example, a magnetic coupling structure, a screw coupling structure, and a fitting defect structure. Alternatively, it may be detachably coupled to the axle bearing 35 or a part to be detected in a similar structure. The fastening bracket 331 is coupled to the first mounting tab 361 of the part jig 36, and the temperature sensor unit 332 is coupled to the fastening bracket 331 so that the temperature of the axle bearing 35 can be measured. . In addition, the vibration transmission block 321 is coupled to the second mounting tab 361 of the part jig 36 by the fastening means 322, and the vibration sensor unit 362 is fixed to the vibration transmission block 321 to transmit vibration. Vibrations transmitted to block 321 may be detected. The component jig 36 may be made of a metal material capable of transmitting heat or vibration, and in this way, a sensor unit for detecting a related parameter is installed in one component jig 36 to detect a difference between different parameters. It makes it easy to install the sensor unit while making it easy to analyze the relevance or relevance. In addition, since the part jig 36 is installed at a predetermined position and each sensor unit 313, 323, 332 is detachably coupled thereto, the positioning of the sensor units 313, 323, 332 is easy and consistent. let this be In addition, this makes it easy to analyze the location of occurrence of various types of parameters. The noise sensor module 31, the vibration sensor module 32, or the temperature sensor module 33 may be installed in various ways on wheels, axles, axle bearings, or similar parts, and the present invention is not limited thereby.

Figure 4 shows an embodiment of the operating process of the system according to the present invention.

Referring to FIG. 4 , the data map/location information generation module 18 includes a location/cycle analysis module 46 that analyzes the generation location and generation period of detection information.

A diagnosis location may be determined by the diagnosis location determination module 41 in order to diagnose the operating state of the armored vehicle or the operation diagnosis of wheel-related parts of the armored vehicle. The diagnosis positioning module 41 may determine a part to be diagnosed, and may select, for example, a wheel, an axle, an axle bearing, or a reducer as a diagnosis target. The diagnostic location determination module 41 may determine the type of sensor installed in each part or the installation location of the sensor. In this way, when a component to be diagnosed, a type of sensor, or an installation location of a sensor is determined by the diagnosis location determination module 41, parameters to be measured may be determined by the parameter setting module 42. The parameters can be, for example, vibration, noise and temperature, and optionally the condition of the lubricating oil can be a parameter. A parameter can be measured by each sensor, and the measured parameter can be detected and analyzed by the detection analysis module 43 . The detection and analysis module 43 includes a period/spectrum analysis module 43a for analyzing the period or spectrum of the vibration frequency detected by the vibration sensor; a frequency/location analysis module 43b for analyzing the noise frequency or noise location detected by the noise sensor; a temperature distribution fluctuation curve module 43c for generating a temperature distribution or temperature fluctuation curve by detecting the temperature distribution or temperature change at various positions detected by the temperature sensor; and a lubrication state detection module 43d for detecting the state of the lubricating oil. Vibration can be detected from a vibration sensor such as a 3-axis acceleration sensor installed on a wheel, axle, axle bearing or reducer, and the period or spectrum of the detected vibration is analyzed to determine whether it corresponds to natural vibration or abnormal vibration. can be judged. For example, vibrations exhibiting non-constant spectra may be analyzed irregularly in the vibration frequency spectrum. Various noises generated in the operation process can be analyzed by the frequency/location analysis module 43b, and the frequency and location of each noise can be analyzed. Temperatures of different locations may be detected by temperature sensors attached to various locations, and a temperature distribution curve may be created based on the detected temperatures. Also, a temperature change over time may be detected, and a temperature fluctuation curve may be generated based on the detected temperature change. The state of the lubricating oil may be detected by the lubrication state detection module 43d, and the detection of the state of the lubricating oil may include state detection such as detection of temperature and viscosity of the lubricating oil. Parameters analyzed by the detection analysis module 43 may be transmitted to the state index calculation module 44 . The state index calculation module 44 has a function of calculating the extent to which the state of the analyzed parameter deviates from the reference state. The state index calculation module 44 may compare the reference data for each parameter stored in the reference database 44a with the analyzed parameter state, calculate a difference, and generate a state index. The condition index may be calculated based on a predetermined criterion, for example, a reference value becomes 0, and the condition of each part to be detected is a positive value or a negative value according to the degree of deviation from the reference data. It can be expressed as a value of (negative). The state index calculation module 44 according to an embodiment of the present invention includes an event factor extraction module 44b. The event factors include factors that are detected according to external causes that occur temporarily and factors that are inherent in parts but are detected due to irregularly repeated abnormal operations. The state index calculation module 44 may detect and display the state of such external factors and latent factors as event factors. The condition index for the same or different parts is calculated by the condition index calculation module 44, and when an event factor is detected and the event index is calculated, it can be transmitted to the correlation analysis module 45. The correlation analysis module 45 has a function of analyzing whether or not there are parts in an abnormal state by analyzing condition indices of different parameters for the same or different parts. The correlation analysis module 45 may refer to the environment database 45a in which environment information is stored and the operation database 45b in which information on various operating states appearing from the operation of parts is stored in the correlation analysis process. If it is determined that a state index out of the normal state is detected according to the analysis result by the correlation analysis module 45, related information may be transmitted to the position/cycle analysis module 46. The position/period analysis module 46 may have a function of analyzing the position or occurrence period of the condition index in an abnormal state. The location/cycle analysis module 46 may refer to the parts information database 46a, for example, the period of use of the part, the location of the part, or the maintenance history of the part, and analyzes the position/cycle to analyze an abnormal state. and can be transmitted to the component diagnosis/storage module 47. The parts diagnosis/storage module 47 can diagnose the states of various parts constituting the armored vehicle and determine necessary actions. In addition, such a diagnosis result may be stored together with detection information, condition index, abnormal state detection result, or related information. Diagnosis of each part can be performed in various ways and is not limited to the presented embodiment.

Although the present invention has been described in detail with reference to the presented embodiments above, those skilled in the art will be able to make various modifications and variations without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by these variations and modifications, but is limited only by the claims appended below.

11a; Reducer 11b: wheel
11c: axle bearing 12: vibration sensor
13: noise sensor 14: temperature sensor
17: part parameter acquisition module 18: map/location information generation module
19: storage/combined diagnostic module 26: data acquisition module
36: part jig 46: position / period analysis module

Claims (5)

A part detection module for detecting vibration, noise and temperature of parts of an armored vehicle;
A movement information module for obtaining vehicle speed information and RPM (Revolution Per Minute) information of an axle;
a part parameter acquisition module 17 for acquiring parameter values of each part from detection information detected by the part detection module;
a data map/location information generation module 18 which provides data map and location information for the detection information acquired to the parameter acquisition module 17; and
A parts diagnosis system for a wheeled armored vehicle including a storage/part defect diagnosis module (19) for storing the acquired parameter values of each part and detecting the combination of each part from the acquired parameters. The system for diagnosing parts of a wheeled armored vehicle according to claim 1, wherein the parts of the armored vehicle are a reducer, a wheel or an axle bearing, and the detection information is vibration, noise and temperature. The parts of the wheeled armored vehicle according to claim 1, characterized in that the part detection module is attached to the wheel, axle or reducer, and the detected information is transmitted to the data acquisition module 26 installed inside the armored vehicle through wire or wireless. diagnostic system. The method according to claim 1, wherein the part detection module further comprises a part jig 36 installed at a part or a position adjacent to the part, and the part jig 36 is detachable from the part diagnostic system for a wheeled armored vehicle, characterized in that . The system for diagnosing parts of a wheeled armored vehicle according to claim 1, wherein the data map/location information generation module 18 includes a location/cycle analysis module 46 that analyzes the generation location and generation period of the detection information.