Method and system for the automated detection of conveyor belt faults

Abstract

A method for the automated detection of conveyor belt faults consists in acquiring vibration measurement data from a vibration measuring device disposed on structural elements of a conveyor belt, and processing the measurements. During processing, the measurements are compared with a vibration parameter reference value that indicates the presence of a fault in the conveyor belt. The presence of a fault in the conveyor belt is determined if the vibration measurements differ from the vibration parameter reference value and / or correspond to a reference pattern of vibration which indicates the presence of a fault in the conveyor belt. Data about detected faults are recorded in a memory of a computing device and / or are transmitted to an external device. The technical result is an increase in the accuracy with which conveyor belt faults are detected by the analysis of conveyor vibration data.

Description

METHOD AND SYSTEM FOR AUTOMATED DETECTION OF CONVEYOR BELT DAMAGE AREA OF TECHNOLOGY

[0001] This technical solution relates to the field of computer technologies, in particular, to a method and system for automated detection of conveyor belt damage using vibration data analysis from vibration sensors placed on conveyor elements. LEVEL OF TECHNOLOGY

[0002] In many industries, such as mining, processing, energy, chemical, cargo handling, etc., conveyor transport is used to transport bulk cargo. Bulk cargo, whether waste rock, ore, coal, coke, charge, concentrate, agglomerate, pellet, chemicals or other, is transported directly on a conveyor belt from the loading point, usually in the tail drum area, to the unloading point, usually in the head / drive drum area. During conveyor operation, emergency situations may arise related to damage to the conveyor belt, including the most severe damage - a longitudinal rupture (cut) of the belt, which leads to partial or complete loss of the belt and unplanned downtime of conveyor transport due to repair or replacement of the conveyor belt.

[0003] Longitudinal ruptures of the conveyor belt can be caused by a number of reasons: - The ingress of foreign ore-contaminating materials into the transported material, such as excavator teeth, scrap, reinforcement, steel sheets, etc. Such objects at the loading point can pierce the conveyor belt, jam and cause its longitudinal rupture; - Heavy, large and sharp pieces of ore, which can also pierce the belt, jam it and tear it longitudinally; - Sharp elements of failed rollers, cleaning scrapers, beams or other parts of the conveyor can pierce and cut the belt longitudinally.

[0004] The faster an emergency situation on a conveyor is localized and detected in order to stop it, the less amount of conveyor belt will be lost as a result of its damage.

[0005] The most widely used systems for protecting conveyor belts from longitudinal ruptures are those that operate on the principle of damaging elements vulcanized into the belt (inductive loops, inserts, antennas, etc.). An example of such a solution is the CONTI RipProtect system manufactured by Continental®. send се s / b elt-moni tori ng / prod u ct s / conti -protect / co ti -ri pprotect). Inductive loops are vulcanized into the belt with a certain step at the customer's discretion (usually 50-150 running meters), so that if any of the inductive loops is damaged due to a belt break, the conveyor stops, in this case the amount of damaged belt is limited by the step of installing inductive loops in the conveyor belt.

[0006] The disadvantages of this type of solution are that such systems cannot be used on any tape, since a tape with inductive loops is required, and inductive loops often fail, giving false signals.

[0007] Laser systems are known, for example, CONTI SurfaceProtect services / belt-monitoring / pro ucts / conti-protect / conti-surfaceprotect), which use laser scanning of the belt surface for damage, including longitudinal ruptures of the belt.

[0008] The main disadvantages of such systems are that they are very sensitive to environmental conditions, positioning and the state of the belt surface (problems arise when the belt surface is wet or when there is adhesion of the transported material that fills damaged areas), which leads to very strict requirements for the operating conditions of these systems and a large number of false alarms.

[0009] Systems are known that control the width of the tape or determining its integrity by the transmission of vibration across the belt The operating principle of systems based on belt width control is that as a result of a longitudinal cut, the belt may diverge or, on the contrary, narrow due to the overlap of cut parts, which changes its width. Ultrasonic or radar sensors for monitoring the location of the belt edges are installed to determine the belt width. The operating principle of systems based on vibration transmission across the belt is that when the belt is longitudinally cut, its integrity is violated and vibration is not transmitted across the belt.

[0010] The main disadvantages of belt width control systems are that if a cut does not result in the belt diverging or narrowing, the cut is not detected because the belt width does not change. [UN] Systems based on the transmission of vibration across the belt are very sensitive to the type of belt carcass and rubber compound and are not applicable to all types of belts, in addition, in the case of a longitudinal cut, the signal can effectively spread around the conveyor belt through the transported material, thereby not recording a longitudinal tear.

[0012] To overcome the above-mentioned shortcomings, it is proposed to use the vibration readings of the conveyor, taken with the help of a vibration measuring device (vibration sensor), placed on the metal conveyor frame itself or on elements connected (adjacent) to the conveyor frame, the readings from which are subsequently processed by a computing device to identify abnormal values ​​indicating belt damage. ESSENCE OF THE INVENTION

[0013] The proposed solution aims to overcome the technical problem of obtaining operational monitoring of conveyor belt damage by analyzing conveyor vibration readings.

[0014] The technical result is to increase the accuracy of detecting damage to a conveyor belt using analysis of conveyor vibration data.

[0015] In a preferred embodiment of the invention, a method is proposed for the automated determination of conveyor belt damage, performed using a computing device connected to at least one vibration measuring device, and comprising the steps of: a) obtaining vibration measurement data from at least one vibration measuring device located on the structural elements of the belt conveyor or on elements connected to the belt conveyor; b) processing the measurements obtained in step a) using the computing device, during which they are compared with at least one reference value of the vibration parameter and / or with at least one reference vibration pattern indicating the presence of conveyor belt damage; c) determining the presence of conveyor belt damage if, in step b), the vibration measurements differ from the at least one reference value vibration parameters and / or correspond to at least one reference vibration pattern indicating the presence of damage to the conveyor belt; d) recording data on the detected damage in the memory of the computing device and / or transmitting it to an external device.

[0016] In one particular embodiment, the vibration measuring device is a contact or non-contact vibrometer.

[0017] In another particular embodiment, the vibration measuring device is an accelerometer.

[0018] In another particular embodiment, the element connected to the belt conveyor is at least one of: a transfer unit, a loading station, a chute at the conveyor loading point, a loading device, an unloading device, a loading hopper, an unloading hopper, a loading cart, an unloading cart, a transfer box, support metal structures, a shock-absorbing table, a transfer-damping station at the loading or reloading point, a loading chute, a receiving chute, scrapers, throwers, belt cleaning devices, conveyor covers, a conveyor service platform, passages, stairs (ladders) next to the belt conveyor.

[0019] In another particular example of implementation, at step a) at least one of the vibration parameters is measured: vibration acceleration, vibration velocity or vibration displacement.

[0020] In another particular example of implementation, at step a), the measurement of vibration parameters occurs along at least one of the selected vibration directions.

[0021] In another particular example of implementation, at step b), the processing of measurement data from the vibration measuring device occurs in a time or frequency representation.

[0022] In another particular example of implementation, in step b), a Fourier transform or Fourier series expansion is used to obtain a frequency representation of the vibration.

[0023] In another particular example of implementation, at step b), for the time representation of vibration, the value of the measured vibration parameter is analyzed for its deviation from a given reference value, and for the frequency representation of vibration, the amplitude spectrum of the vibration signal is analyzed for the detection of harmonics and / or spectrum sections corresponding to a reference pattern indicating the presence of damage to the conveyor belt, and / or harmonics exceeding in amplitude a given reference value of the vibration parameter.

[0024] In another particular example of implementation, at step b), the reference value for the vibration parameter in the time representation is set based on the average or peak values ​​of this vibration parameter obtained in the time range of trouble-free operation of the belt conveyor.

[0025] In another particular example of implementation, at step b), the reference value for the amplitude of the vibration parameter in the frequency representation (amplitude spectrum of the vibration signal) is set based on the peak or average values ​​of the amplitude in the amplitude spectrum of the vibration signal, obtained in the time range of trouble-free operation of the belt conveyor.

[0026] In another particular embodiment, at step c) the presence of damage is determined if the deviation from the reference value of the vibration parameter occurs a specified number or more times during a specified period of time or occurs a specified number or more times in a row.

[0027] In another particular embodiment, step c) determines the presence of damage if, in step b), the vibration measurements differ from one or more reference values ​​for one or more vibration parameters simultaneously and / or correspond to one or more reference vibration patterns simultaneously, indicating the presence of damage to the conveyor belt.

[0028] In another particular embodiment, an aggregate value is determined for analyzing the presence of damage to a conveyor belt based on vibration measurements and / or vibration patterns, wherein each reference vibration parameter value and reference vibration pattern corresponds to a weighting factor.

[0029] In another particular example of implementation, at step b), the aggregated reference value is set based on the vibration parameters obtained in the time range of trouble-free operation of the belt conveyor.

[0030] In another particular example of implementation, at step b), the computing device is configured to recognize characteristic patterns of damage to the conveyor belt when analyzing the time and / or frequency representation of the vibration signal and / or the characteristic function (CF) of the vibration signal using analytical methods or an artificial neural network.

[0031] In another particular embodiment, the external device is connected to the computing device via a wired or wireless data transmission channel.

[0032] In another particular embodiment, the external device is at least one of: a monitor, an interactive screen, a computer, a laptop, a tablet, smartphone, smart wearable device, removable storage device, belt conveyor control controller, or belt conveyor remote control system.

[0033] In another particular example of implementation, the computing device is connected to the belt conveyor control system in one of the following ways: via relay outputs, via the Modbus protocol, or via Profibus or Profinet networks.

[0034] In another particular embodiment, at step d), the computing device generates a signal for stopping the belt conveyor, transmitted to the belt conveyor control system, upon determining the presence of damage to the conveyor belt.

[0035] In another particular example of implementation, the GUI is implemented on an external device and / or on a computing device.

[0036] In another particular example of implementation, the computing device is additionally configured with the possibility of configuring it and / or tracking the result of the analysis of the state of the conveyor belt, using an external device.

[0037] In another particular example of implementation, a video stream is additionally formed with an image of the surface of the conveyor belt, obtained from a video camera.

[0038] In another particular embodiment, the computing device additionally generates an alarm signal to notify the conveyor belt operator of the presence of damage to the conveyor belt, transmitted to an external device and / or an audio and / or visual notification device.

[0039] In another particular embodiment, the vibration measuring device is located at a distance of no more than 5000 meters from the suspected location of the conveyor belt damage.

[0040] In another particular example of implementation, at step b), when processing the signal in the time representation, the characteristic function (CF) of the vibration signal is calculated.

[0041] In another particular example of implementation, the reference HF is calculated based on the vibration parameters corresponding to the trouble-free operation mode of the conveyor.

[0042] In another particular example of implementation, at step b), the values ​​obtained on the basis of the parameter values ​​of the reference HF are selected as reference values.

[0043] In another preferred embodiment of the invention, a system for automated detection of conveyor belt damage is proposed, comprising a computing device connected to at least one vibration measuring device, in which receiving vibration measurement data from at least one vibration measurement device located on the structural elements of the belt conveyor or on elements connected to the belt conveyor; processing the obtained measurements using a computing device, during which they are compared with at least one reference value of the vibration parameter and / or with at least one reference vibration pattern indicating the presence of damage to the conveyor belt; determining the presence of damage to the conveyor belt if the vibration measurements differ from at least one reference value of the vibration parameter and / or correspond to at least one reference vibration pattern indicating the presence of damage to the conveyor belt; recording data on the detected damage in the memory of the computing device and / or transmitting them to an external device. BRIEF DESCRIPTION OF DRAWINGS

[0044] Fig. 1 illustrates a general scheme for implementing the claimed solution.

[0045] Fig. 2 illustrates a block diagram of the implementation of the claimed method for monitoring the state of a conveyor belt.

[0046] Fig. 3A - 3B illustrate examples of signals in the time and frequency ranges.

[0047] Fig. 4 illustrates the general appearance of the computer device. IMPLEMENTATION OF THE INVENTION

[0048] As shown in Fig. 1, the solution consists in creating an automated method for monitoring the state of a conveyor belt (101) during transportation of material (105), in particular, ore, rocks and other types of material fed to the belt (101) through a loading hopper (104). The movement of the conveyor belt (101) is carried out by rotating the head (drive) (102) and tail (103) drums, there may be several drive drums, they are driven by electric motors, which in turn are started by means of a control controller (not shown).

[0049] The main indicators of the condition of the conveyor belt are the vibration parameters, which are read using one or more vibration measuring devices (106), which are placed on the elements of the belt conveyor, for example, its stav (110). For example, a contact or non-contact vibrometer can be used as a vibration measuring device (106), and an accelerometer can also be used.

[0050] The vibration measuring device (106) is placed on the metal elements of the conveyor, in particular, its frame (B), allowing to identify the vibration oscillations occurring during the conveyor operation. However, such a placement option is not the only possible one for the purposes of implementing the claimed solution. It is also acceptable to place the vibration measuring device (106) on the elements connected to the frame (110) of the conveyor, for example, a transfer unit, a loading station, a chute at the conveyor loading point, a loading device, an unloading device, a loading hopper, an unloading hopper, a loading trolley, an unloading trolley, a transfer box, support metal structures, a shock-absorbing table, a transfer and damping station at the loading or reloading point, a loading chute, a receiving chute, scrapers, throwers, belt cleaning devices, conveyor covers, a conveyor service platform, passages, ladders (ladders) next to the belt conveyor, etc.These elements also sense the vibration that occurs, which can be detected by a vibration measuring device (106), which is preferably located at a distance of no more than 5000 meters from the expected location of the damage to the conveyor belt (101).

[0051] The data of the vibrations occurring, recorded by the vibration measuring device (106), are transmitted via a data transmission channel to the computing device (107) for their subsequent processing. For example, a computer, a computing unit, a single-board computer, a system on a chip (SoC), etc. can be used as the computing device (107). Wired and / or wireless communication can be used as the data transmission channel, for example, a connection using a physical connection (USB, Lan, RS-232, etc.), or using a wireless type of communication (Bluetooth, BLE, WLAN, etc.). The computing device (107) can be implemented in a single housing with the vibration measuring device (106), both for the case of placing one device (106), and for several devices (106), fixed with a given step on the elements of the conveyor (110) and / or on the elements connected to it.

[0052] The computing device (107) is connected to an external device (108), which is typically a computer, server or control panel, providing storage of data on the state of the conveyor belt and subsequent transmission of information on the state of the belt to end users (109), such as a conveyor operator or maintenance personnel. In one example of implementation, as the external device (108) may be a belt conveyor control controller or a remote belt conveyor control system,

[0053] The external device (108) is connected to the computing device (107) via a wired or wireless data transmission channel similar to those indicated above. In this case, the external device (108) can be, for example, a monitor, an interactive screen, a computer, a laptop, a tablet, a smartphone, a smart wearable device, a removable data carrier, a belt conveyor control controller, or a remote belt conveyor control system.

[0054] In the case of connecting the computing device (107) to the belt conveyor control system, in the event of detecting damage to the belt (101), the computing device (107) generates an emergency signal to notify the operator (109) of the belt conveyor about the presence of damage to the conveyor belt (101), transmitted to an external device (108) and / or a sound and / or light notification device (alarm system). Also, this signal can forcibly stop the conveyor for prompt repair of the damaged section of the belt (101) and preventing the spread of further damage to the belt (101).

[0055] The external device (108) and the computing device (107) may comprise a graphical user interface (GUI) for displaying the results of detecting damage to the conveyor belt (101), or displaying various types of information.

[0056] The computing device (107) is additionally configured with the possibility of configuring it and / or tracking the result of the analysis of the state of the conveyor belt (101), using an external device (108).

[0057] Additionally, one or more cameras can be installed on the conveyor, forming a video stream with an image of the surface of the conveyor belt (101), received from the video camera.

[0058] Fig. 2 shows a description of the implementation of the method of the claimed solution. At step (201), the computing device (107) receives vibration measurement data from at least one vibration measurement device (106), which measures one or more vibration parameters, in particular, vibration acceleration, vibration velocity or vibration displacement. In this case, these measurements can be made along at least one of the selected vibration directions (for example, the longitudinal direction).

[0059] Next, at stage (202), the obtained data are processed using the software logic of the computing device (107), during which the obtained values ​​of the vibration parameters are compared with one or more reference values. vibration parameter values ​​that are used to detect anomalies indicating damage to the conveyor belt (101).

[0060] The data obtained from the vibration measuring device (106) are also analyzed by the computing device (107) in terms of their comparison with at least one reference vibration pattern indicating the presence of damage to the conveyor belt (101).

[0061] As an example, a conveyor belt failure may be associated with a transient vibration signal caused by the impact of a stuck piece of ore on a belt conveyor structure element and / or on an element connected to the belt conveyor during a belt break, the amplitude spectrum of which is continuous over a wide frequency range and has characteristic amplitude peaks at the natural frequencies of the conveyor structure, which is one example of a reference vibration pattern corresponding to belt failure.

[0062] At step (203), based on the results of comparing the vibration parameters, the computing device (107) makes a decision on the presence or absence of damage to the conveyor belt (101). If damage to the belt (101) is detected, then at step (204) the damage is recorded and at step (205) this information is transferred to the external device (108) for storage and / or subsequent use.

[0063] The presence of damage at step (203) may also be established if the deviation from the reference value of the vibration parameter occurs a specified number or more times during a specified period of time or occurs a specified number or more times in a row.

[0064] In step (203), the presence of damage can be determined if, in step (202), the vibration measurements differ from one or more reference values ​​for one or more vibration parameters simultaneously and / or correspond to one or more reference vibration patterns simultaneously, indicating the presence of damage to the conveyor belt. Additionally, a formula with weighting factors can be used to take into account the difference from each reference value of the vibration parameter and / or to take into account the correspondence to each reference vibration pattern, indicating the presence of damage to the conveyor belt, the calculation result of which is compared with an aggregated reference value, the difference from which is confirmation of damage to the belt. The specified aggregated reference value can be set based on the vibration parameters obtained in the time range of trouble-free operation of the belt conveyor.

[0065] At step (202), the processing of measurement data from the vibration measuring device (106) occurs in a time or frequency representation, examples of which are shown in Figs. 3A - 3B. In the examples shown in Figs. 3A - 3B, reference values ​​of the vibration parameter are indicated in the form of thresholds (301, 302), with which the comparison is made. In this case, to obtain a frequency representation of vibration, the processing of the received data from the device (106) is used, including the Fourier transform or expansion into a Fourier series.

[0066] For the time representation of vibration, the value of the measured vibration parameter is analyzed for its deviation from the specified reference value, and for the frequency representation of vibration, the amplitude spectrum of the vibration signal is analyzed for the detection of harmonics and / or spectrum sections corresponding to the reference pattern indicating the presence of damage to the conveyor belt (101), and / or harmonics exceeding the specified reference value of the vibration parameter in amplitude. The reference value for the vibration parameter in the time representation can be set based on the average or peak values ​​of this vibration parameter obtained in the time range of trouble-free operation of the belt conveyor.In this case, the reference value for the amplitude of the vibration parameter in the frequency representation (amplitude spectrum of the vibration signal) is set based on the peak or average values ​​of the amplitude in the amplitude spectrum of the vibration signal, obtained in the time range of trouble-free operation of the belt conveyor.

[0067] The computing device (107), using the embedded algorithm for calculating parameters when processing vibration data from the device (106), can recognize characteristic patterns of damage to the conveyor belt (101) when analyzing the time and / or frequency representation of the vibration signal and / or the characteristic function (CF) of the vibration signal using analytical methods embedded in the processing algorithm or using an artificial neural network (ANN) trained on a sample of the vibration characteristics of the signals.

[0068] As indicated above, when processing a signal in a time representation, the vibration signal HF is calculated, wherein the reference HF is calculated based on the vibration parameters corresponding to the trouble-free mode of operation of the conveyor. As reference values ​​when processing signals at step (202), values ​​obtained based on the parameter values ​​of the reference HF can be selected.

[0069] Additionally, the computing device (107) can be connected to the belt conveyor control system in one of the following ways: via relay outputs, via the Modbus protocol or Profibus or Profinet networks. With this principle, the connecting computing device (107) generates a signal for stopping the belt conveyor, transmitted to the belt conveyor control system, upon determining the presence of damage to the conveyor belt (101) based on the processing of data from the vibration measuring device (106).

[0070] Fig. 4 shows a general example of a computing device (400), for example, a computing unit (computing module), a computer, a server, a laptop, a smartphone, a SoC (System-on-a-Chip), etc., which can be used for a full or partial implementation of the claimed solution, in particular, for the implementation of devices (107, 108). In the general case, the device (400) contains such components as: one or more processors (401), at least one random access memory (402), a means for persistent data storage (403), input / output interfaces (404) including relay outputs for connection to belt conveyor motion control controllers, an I / O means (405), and a means for network interaction (406).

[0071] The processor (401) of the device performs the basic computing operations necessary for the functioning of the device (400) or the functionality of one or more of its components. The processor (401) executes the necessary machine-readable commands contained in the RAM (402).

[0072] Memory (402) is usually implemented as RAM and contains the necessary software logic that provides the required functionality. Data storage facility (403) can be implemented as HDD, SSD disks, RAID array, network storage, flash memory, optical storage devices (CD, DVD, MD, Blue-Ray disks), etc. The facility (403) allows long-term storage of various types of information, such as request processing history (logs), user identifiers, camera data, images, etc.

[0073] Interfaces (404) are standard means for connecting and working with computing devices. Interfaces (404) can be, for example, relay connections, USB, RS232 / 422 / 485 or others, RJ45, LPT, UART, COM, HDMI, PS / 2, Lightning, FireWire, etc. for work, including, according to Modbus protocols and Probfibus networks. The choice of interfaces (404) depends on the specific design of the device (400), which can be a computing unit (computing module), for example based on a CPU (one or more processors), a microcontroller, etc., a personal computer, a mainframe, a server cluster, a thin client, a smartphone, a laptop, etc., as well as connected third-party devices.

[0074] The following can be used as I / O data means (405): keyboard, joystick, display (touch display), projector, touchpad, mouse, trackball, light pen, speakers, microphone, etc.

[0075] The network interaction means (406) are selected from a device that provides network reception and transmission of data, for example, an Ethernet card, a WLAN / Wi-Fi module, a Bluetooth module, a BLE module, an NFC module, an IrDa, an RFID module, a GSM modem, etc. With the help of the means (406), the organization of data exchange is ensured via a wired or wireless data transmission channel, for example, WAN, PAN, LAN, Intranet, Internet, WLAN, WMAN or GSM, a quantum data transmission channel, satellite communication, etc. The components of the device (400), as a rule, are connected via a common data transmission bus.

[0076] The present application materials present a preferred disclosure of the implementation of the claimed technical solution, which should not be used as limiting other, particular embodiments of its implementation that do not go beyond the scope of the requested scope of legal protection and are obvious to specialists in the relevant field of technology.

Claims

FORMULA 1. A method for the automated determination of damage to a conveyor belt, performed using a computing device connected to at least one vibration measuring device, and comprising the steps of: a) receiving vibration measurement data from at least one vibration measuring device placed on structural elements of the belt conveyor or on elements connected to the belt conveyor; b) processing the measurements obtained in step a), using the computing device, during which they are compared with at least one reference value of the vibration parameter and / or with at least one reference vibration pattern indicating the presence of damage to the conveyor belt;c) determining the presence of damage to the conveyor belt if, in step b), the vibration measurements differ from at least one reference value of the vibration parameter and / or correspond to at least one reference vibration pattern indicating the presence of damage to the conveyor belt; d) recording data on the detected damage in the memory of the computing device and / or transmitting them to an external device.

2. The method according to paragraph 1, characterized in that the vibration measuring device is a contact or non-contact vibrometer.

3. The method according to paragraph 1, characterized in that the vibration measuring device is an accelerometer.

4. The method according to claim 1, characterized in that the element connected to the belt conveyor is at least one of: a transfer unit, a loading station, a chute at the conveyor loading location, a loading device, an unloading device, a loading hopper, an unloading hopper, a loading trolley, an unloading trolley, a transfer box, support metal structures, a shock-absorbing table, a transfer-damping station at the loading or reloading location, a loading chute, a receiving chute, scrapers, throwers, belt cleaning devices, conveyor covers, a conveyor service platform, passages, stairs (ladders) next to the belt conveyor.

5. The method according to paragraph 1, characterized in that at step a) at least one of the vibration parameters is measured: vibration acceleration, vibration velocity or vibration displacement.

6. The method according to claim 5, characterized in that at step a) the measurement of vibration parameters occurs along at least one of the selected vibration directions.

7. The method according to item 1, characterized in that at step b) the processing of measurement data from the vibration measuring device occurs in time or frequency representation.

8. The method according to item 7, characterized in that at step b) a Fourier transform or Fourier series expansion is used to obtain a frequency representation of vibration.

9. The method according to item 7 is characterized in that at step b) for the time representation of vibration, the value of the measured vibration parameter is analyzed for its deviation from the specified reference value, and for the frequency representation of vibration, the amplitude spectrum of the vibration signal is analyzed for the detection of harmonics and / or sections of the spectrum corresponding to the reference pattern indicating the presence of damage to the conveyor belt, and / or harmonics exceeding the specified reference value of the vibration parameter in amplitude.

10. The method according to i.9, characterized in that at step b) the reference value for the vibration parameter in the time representation is set based on the average or peak values ​​of the given vibration parameter obtained in the time range of trouble-free operation of the belt conveyor.

11. The method according to item 9, characterized in that at step b) the reference value for the amplitude of the vibration parameter in the frequency representation (amplitude spectrum of the vibration signal) is set based on the peak or average values ​​of the amplitude in the amplitude spectrum of the vibration signal, obtained in the time range of trouble-free operation of the belt conveyor.

12. The method according to item 9, characterized in that at step c) the presence of damage is determined if a deviation from the reference value of the vibration parameter occurs a specified number or more times during a specified period of time or occurs a specified number or more times in a row.

13. The method according to item 7, characterized in that at step b) the computing device is configured to recognize characteristic patterns of damage to the conveyor belt when analyzing the time and / or frequency representation of the vibration signal and / or the characteristic function (CF) of the vibration signal using analytical methods or an artificial neural network.

14. The method according to claim 1, characterized in that the external device is connected to the computing device via a wired or wireless data transmission channel.

15. The method according to claim 1, characterized in that the external device is at least one of: a monitor, an interactive screen, a computer, a laptop, a tablet, a smartphone, a smart wearable device, a removable data carrier, a belt conveyor control controller, or a remote belt conveyor control system.

16. The method according to claim 1, characterized in that the computing device is connected to the belt conveyor control system in one of the following ways: via relay outputs, via the Modbus protocol or Profibus or Profinet networks.

17. The method according to claim 1, characterized in that at step d) the computing device generates a signal for stopping the belt conveyor, transmitted to the belt conveyor control system, upon determining the presence of damage to the conveyor belt.

18. The method according to claim 1, characterized in that the GUI is implemented on an external device and / or on a computing device.

19. The method according to claim 1, characterized in that the computing device is additionally configured with the possibility of configuring it and / or tracking the result of the analysis of the state of the conveyor belt using an external device.

20. The method according to paragraph 1, characterized in that a video stream is additionally formed with an image of the surface of the conveyor belt, obtained from a video camera.

21. The method according to claim 1, characterized in that the computing device additionally generates an alarm signal to notify the belt conveyor operator of the presence of damage to the conveyor belt, transmitted to an external device and / or a sound and / or light alert device.

22. The method according to claim 1, characterized in that the vibration measuring device is located at a distance of no more than 5000 meters from the expected location of the damage to the conveyor belt.

23. The method according to paragraph 7, characterized in that at step b), when processing the signal in time representation, the characteristic function (CF) of the vibration signal is calculated.

24. The method according to paragraph 23, characterized in that the reference HF is calculated on the basis of vibration parameters corresponding to the trouble-free operation mode of the conveyor.

25. The method according to paragraph 24, characterized in that at step b), the values ​​obtained on the basis of the values ​​of the parameters of the reference HF are selected as reference values.

26. The method according to claim 1, characterized in that at step c) the presence of damage is determined if at step b) the vibration measurements differ from one or more than one reference value for one or more vibration parameters simultaneously and / or correspond to one or more reference vibration patterns simultaneously, indicating the presence of a conveyor belt fault.

27. The method according to claim 26, characterized in that an aggregate value is determined for analyzing the presence of damage to the conveyor belt based on vibration measurements and / or vibration patterns, wherein each reference value of the vibration parameter and reference vibration pattern corresponds to a weighting coefficient.

28. The method according to item 27, characterized in that at step b) the aggregated reference value is set based on the vibration parameters obtained in the time range of trouble-free operation of the belt conveyor.

29. A system for automated detection of conveyor belt damage, comprising a computing device connected to at least one vibration measuring device, in which vibration measurement data is received from at least one vibration measuring device placed on structural elements of the belt conveyor or on elements connected to the belt conveyor; the received measurements are processed using the computing device, during which they are compared with at least one reference value of the vibration parameter and / or with at least one reference vibration pattern indicating the presence of damage to the conveyor belt; the presence of damage to the conveyor belt is determined in the event that the vibration measurements differ from at least one reference value of the vibration parameter and / or correspond to at least one reference vibration pattern indicating the presence of damage to the conveyor belt;record data on detected damage in the memory of the computing device and / or transmit it to an external device.

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