Cable force monitoring device, monitoring method, monitoring system and storage medium

Abstract

The invention discloses a cable force monitoring device and method, a monitoring system and a storage medium, the cable force monitoring device and method are used for monitoring the cable force value of an anchor cable, the cable force monitoring device comprises a lantern ring piece, a plurality of ultrasonic receiving and transmitting assemblies and a modulation acquisition module, the lantern ring piece is used for sleeving the anchor cable and is located between an anchor head of the anchor cable and an anchor bearing plate of the anchor cable, and the modulation acquisition module is connected with the lantern ring piece. The ultrasonic receiving and transmitting assemblies are arranged on one end face of the lantern ring piece, the multiple ultrasonic receiving and transmitting assemblies are arranged in the annular direction of the lantern ring piece, the modulation collection module is connected with the ultrasonic receiving and transmitting assemblies, and the modulation collection module can control the ultrasonic receiving and transmitting assemblies to generate ultrasonic signals. The modulation acquisition module can acquire an ultrasonic signal to process the bearing pressure of the lantern ring piece according to the acquired ultrasonic signal so as to analyze the cable force value of the anchor cable; the design is more accurate in monitoring, rapid in response and stable and reliable in monitoring structure.

Description

Technical Field

[0001] The present invention relates to the technical field of wind turbine equipment monitoring methods, and in particular to a cable force monitoring device and monitoring method, a monitoring system, and a storage medium. Background Art

[0002] As one of the main components of new energy, wind power generation has developed rapidly in recent years. Wind farms have also developed from onshore to offshore, and the capacity of a single wind turbine has grown from hundreds of kilowatts to more than ten megawatts, or even more than twenty megawatts. The overall development trend of wind turbines is high power, long blades, and high towers. In the past, conventional wind turbine towers were towers assembled from steel cylinders. As the towers are raised, the problems of low rigidity, high cost, troublesome hoisting, and difficulty in long-distance transportation gradually emerge. In order to meet the development needs of large-scale wind turbines, the field of wind turbines has gradually introduced "mixed towers" composed of steel and concrete. The towers of "mixed tower" structure wind turbines have greater overall structural rigidity, can support higher wind turbine towers, and have relatively smaller operating amplitudes during the entire life cycle of the wind turbines, convenient installation and transportation, and lower operation and maintenance costs. They have been rapidly popularized in recent years.

[0003] Due to the characteristics of concrete materials, it has high rigidity and weak tensile strength. In order to improve the safety of the tower, the mixed tower frame will be prestressed after the pipe segments are spliced. Holes are reserved inside the mixed tower to fix the steel cables. The steel cables that run through the entire tower frame constitute the prestressed steel strands of the "mixed tower". The prestressed steel strands are fixed to the tower foundation through prestressed anchors and anchor pads. This system constitutes the anchor cable assembly of the mixed tower. Monitoring the cable force of the anchor cable is the most direct and effective way to judge its tightening state.

[0004] Recently, optical fiber strain gauges have been used to monitor the cable tension of anchor cables. This system is costly and has problems such as drift of the monitoring data set due to aging of the optical fiber material. Pressure strain gauges have also been used to monitor the pressure rings installed on the anchor cables to analyze the cable tension. However, the results obtained by the strain gauges are only local, and the monitoring is inaccurate, and cannot more comprehensively reflect the tightening condition of the anchor cables. Summary of the invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a cable force monitoring device and monitoring method, a monitoring system, and a storage medium, which have more accurate monitoring, quick response, and a stable and reliable monitoring structure.

[0006] According to a first aspect of the present invention, a cable force monitoring device is provided for monitoring the cable force value of an anchor cable, comprising: a collar, which is used to be sleeved on the anchor cable and the collar is located between the anchor head and the anchor pad of the anchor cable; a plurality of ultrasonic transmitting and receiving components, the ultrasonic transmitting and receiving components are arranged on one end face of the collar, and the plurality of ultrasonic transmitting and receiving components are arranged circumferentially around the collar; a modulation and acquisition module, which is respectively connected to each of the ultrasonic transmitting and receiving components, the modulation and acquisition module can control the ultrasonic transmitting and receiving components to generate ultrasonic signals, and the modulation and acquisition module can acquire ultrasonic signals to process the pressure borne by the collar according to the acquired ultrasonic signals to analyze the cable force value of the anchor cable.

[0007] A cable force monitoring device according to an embodiment of the present invention has at least the following beneficial effects:

[0008] In the cable tension monitoring device of the present invention, the anchor cable will squeeze the collar member arranged on the anchor cable during the process of tightening, and the squeezing force will cause the collar member to produce a certain degree of deformation, the ultrasonic receiving and transmitting assembly is installed on the end face of the collar member, and a plurality of ultrasonic receiving and transmitting assemblies are arranged circumferentially around the collar member, the ultrasonic receiving and transmitting assembly transmits an ultrasonic signal toward the other end face, the ultrasonic signal is transmitted from one end face of the collar member toward the other end face of the collar member, and is reflected by the other end face of the collar member and then fed back to the ultrasonic receiving and transmitting assembly, the deformation of the collar member will cause the transmission time of the ultrasonic signal to change, and the bearing pressure of the collar member can be obtained by calculating the transmission time of the ultrasonic signal, and then the cable tension value of the anchor cable in the annular direction can be analyzed, the monitoring of the present design is more accurate, the response is rapid, and the monitoring structure is stable and reliable.

[0009] According to some embodiments of the present invention, there are four ultrasonic wave transmitting and receiving components, and the ultrasonic wave transmitting and receiving components are evenly arranged in the circumferential direction of the ring member.

[0010] According to some embodiments of the present invention, a plurality of mounting grooves are provided on one end surface of the collar member, the ultrasonic receiving and transmitting assembly is disposed in the mounting grooves, and the receiving and transmitting end of the ultrasonic receiving and transmitting assembly faces the other end surface of the collar member.

[0011] A monitoring method according to an embodiment of the second aspect of the present invention is implemented by a cable tension monitoring device disclosed in any of the above embodiments, and the monitoring method includes: controlling each ultrasonic transmitting and receiving assembly to transmit an ultrasonic signal, wherein the ultrasonic signal is transmitted from one end face of the collar member toward the other end face of the collar member, and is fed back to the ultrasonic transmitting and receiving assembly after being reflected by the other end face of the collar member; calculating acoustic time difference information based on the received ultrasonic signal, wherein the acoustic time difference information is the time interval between the ultrasonic transmitting and receiving assembly transmitting the ultrasonic signal and receiving the feedback ultrasonic signal; calculating the pressure borne by the collar member at the monitoring position of each ultrasonic transmitting and receiving assembly based on the acoustic time difference information to analyze the cable tension value of the anchor cable.

[0012] The monitoring method according to the embodiment of the present invention has at least the following beneficial effects:

[0013] The monitoring method of the present invention is that the ultrasonic receiving and transmitting assembly transmits an ultrasonic signal, and the ultrasonic signal is transmitted from one end face of the ring member toward the other end face of the ring member, and is reflected by the other end face of the ring member and then fed back to the ultrasonic receiving and transmitting assembly. The anchor cable will squeeze the ring member sleeved on the anchor cable during the tightening process, and the squeezing force will cause the ring member to produce a certain degree of deformation. The deformation of the ring member will cause the transmission time of the ultrasonic signal to change. The sound time difference information is calculated based on the received ultrasonic signal to obtain the bearing pressure of the ring member, and then the cable force value of the anchor cable in the ring direction is analyzed. The monitoring of this design is more accurate, the response is rapid, and the monitoring structure is stable and reliable.

[0014] According to some embodiments of the present invention, the step of calculating the pressure borne by the collar at each monitoring position of the ultrasonic transmitting and receiving assembly according to the acoustic time difference information includes: calculating the pressure borne by the collar based on the pressure and deformation model of the collar according to the acoustic time difference information; the pressure and deformation model is:

[0015] F = K*t;

[0016] Among them, F is the bearing pressure of the ring; K is the ultrasonic stress coefficient of the ring; t is the acoustic time difference.

[0017] According to some embodiments of the present invention, the calculation of the acoustic time difference information based on the received ultrasonic signal includes: while the ultrasonic receiving and transmitting component transmits the ultrasonic signal, the ultrasonic receiving and transmitting component receives the ultrasonic signal with a waveform amplitude greater than an amplitude threshold and uses it as the first ultrasonic signal; the ultrasonic receiving and transmitting component continuously monitors, and during the continuous monitoring process, receives the ultrasonic signal with a waveform amplitude greater than the amplitude threshold and uses it as the second ultrasonic signal; when the second ultrasonic signal coincides with the waveform of the first ultrasonic signal, the acoustic time difference information is obtained based on the time interval between receiving the second ultrasonic signal and the first ultrasonic signal.

[0018] According to some embodiments of the present invention, when the waveform of the second ultrasonic signal coincides with the waveform of the first ultrasonic signal, obtaining the acoustic time difference information according to the time interval between receiving the second ultrasonic signal and the first ultrasonic signal includes: moving the waveform of the second ultrasonic signal by n sampling unit points to determine whether it coincides with the waveform of the first ultrasonic signal;

[0019] If they overlap, then

[0020]

[0021] Where n is the number of sampling unit points and T is the sampling period.

[0022] According to the monitoring system of the third embodiment of the present invention, it includes the cable force monitoring device disclosed in any of the above embodiments and a monitoring background, and the monitoring background is connected to the modulation acquisition module.

[0023] According to some embodiments of the present invention, the modulation and acquisition module is connected to each of the ultrasonic transceiver components via an Ethernet cable, and the monitoring background is connected to the modulation and acquisition module via an Ethernet cable.

[0024] According to the computer-readable storage medium of the fourth aspect of the present invention, the computer-readable storage medium stores a computer program, and is characterized in that when the computer program is executed by a processor, the monitoring method disclosed in any of the above embodiments is implemented.

[0025] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0027] Figure 1 It is a schematic diagram of the installation of one embodiment of the cable force monitoring device of the present invention;

[0028] Figure 2 A cross-sectional schematic diagram of one embodiment of a cable force monitoring device of the present invention;

[0029] Figure 3 A first flow chart of one embodiment of the monitoring method of the present invention;

[0030] Figure 4 A second flow chart of one embodiment of the monitoring method of the present invention;

[0031] Figure 5 It is a principle structure block diagram of one embodiment of the monitoring system of the present invention;

[0032] Figure 6 This is a principle structural block diagram of a control device of one embodiment of the monitoring system of the present invention.

[0033] Reference numerals:

[0034] Ring member 110; ultrasonic wave receiving and transmitting assembly 120; modulation and acquisition module 130; monitoring background 200; anchor cable 310; anchor head 320; anchor pad 330; processor 610; memory 620; input / output interface 630; communication interface 640; bus 650. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0036] It should be noted that, although the functional modules are divided in the device schematic diagram and the logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the device or the order in the flowchart. The terms "first", "second", etc. in the specification, claims and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0037] In the description of the present invention, “several” means one or more, “more” means more than two, “greater than”, “less than”, “exceed”, etc. are understood as not including the number itself, and “above”, “below”, “within”, etc. are understood as including the number itself.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of this application and are not intended to limit this application.

[0039] like Figure 1 , Figure 2 As shown, a cable force monitoring device according to an embodiment of the first aspect of the present invention is used to monitor the cable force value of an anchor cable 310, including a collar 110, a plurality of ultrasonic receiving and transmitting components 120 and a modulation and acquisition module 130, wherein the collar 110 is used to be sleeved on the anchor cable 310 and the collar 110 is located between the anchor head 320 of the anchor cable 310 and the anchor pad 330 of the anchor cable 310, the ultrasonic receiving and transmitting component 120 is arranged on one end surface of the collar 110, and a plurality of ultrasonic receiving and transmitting components 120 are arranged circumferentially around the collar 110, the modulation and acquisition module 130 is respectively connected to each of the ultrasonic receiving and transmitting components 120, the modulation and acquisition module 130 can control the ultrasonic receiving and transmitting components 120 to generate ultrasonic signals, and the modulation and acquisition module 130 can obtain ultrasonic signals to process the pressure borne by the collar 110 according to the obtained ultrasonic signals to analyze the cable force value of the anchor cable 310.

[0040] Among them, the anchor cable 310 is used in the field of wind power generation, and the wind turbine is supported and fixed by a "mixed tower" tower composed of steel and concrete. In order to improve the safety of the tower, the mixed tower tower will be prestressed after the pipe segments are spliced. Holes are reserved inside the mixed tower to fix the steel cables. The steel cables that run through the entire tower constitute the prestressed steel strands of the "mixed tower". The prestressed steel strands are fixed to the tower base through prestressed anchors and anchor pads 330. During the monitoring process, the collar 110 is used to be sleeved on the anchor cable 310 and the collar 110 is located between the anchor head 320 of the anchor cable 310 and the anchor pad 330 of the anchor cable 310.

[0041] The modulation processing module is provided with a processor and auxiliary circuits. The processor may be an MCU or a CPU, etc. The processor may control the ultrasonic receiving and transmitting component 120 to transmit an ultrasonic signal through a driving device such as a semiconductor switch tube, and after the ultrasonic receiving and transmitting component 120 receives the ultrasonic signal, the cable force value of the anchor cable 310 is analyzed according to the ultrasonic signal.

[0042] Specifically, the ultrasonic transmitting and receiving assembly 120 integrates an ultrasonic transmitter and an ultrasonic receiver. Specifically, the ultrasonic transmitter can be an ultrasonic ceramic piece.

[0043] In the cable force monitoring device of the present invention, the anchor cable 310 will squeeze the ring member 110 sleeved on the anchor cable 310 during the tightening process, and the squeezing force will cause the ring member 110 to produce a certain degree of deformation, and the ultrasonic receiving and transmitting assembly 120 is installed on the end face of the ring member 110, and multiple ultrasonic receiving and transmitting assemblies 120 are arranged circumferentially around the ring member 110, and the ultrasonic receiving and transmitting assembly 120 emits an ultrasonic signal toward the other end face, and the ultrasonic signal is transmitted from one end face of the ring member 110 toward the other end face of the ring member 110, and is reflected by the other end face of the ring member 110 and fed back to the ultrasonic receiving and transmitting assembly 120. The deformation of the ring member 110 will cause the transmission time of the ultrasonic signal to change. By calculating the transmission time of the ultrasonic signal, the pressure borne by the ring member 110 can be obtained, and then the cable force value of the anchor cable 310 in the annular direction can be analyzed. The monitoring of this design is more accurate, the response is rapid, and the monitoring structure is stable and reliable.

[0044] In some embodiments of the present invention, there are four ultrasonic wave transmitting and receiving components 120 , and the ultrasonic wave transmitting and receiving components 120 are evenly arranged around the ring member 110 in the circumferential direction.

[0045] Since the steel strand of the anchor cable 310 passes through the middle ring hole of the collar 110, one end of the collar 110 is the anchor pad 330, and the other end is the anchor head 320, if the anchor cable 310 is not in the middle of the middle ring hole of the collar 110 or the tension is not completely parallel to the middle ring hole of the collar 110, the forces on the collar 110 are not completely consistent. In order to analyze the real resultant force of the anchor cable 310, it is theoretically necessary to know the pressure values ​​of the collar 110 at various locations around the collar. The experiment shows that the best balance point is to use four ultrasonic transmitter and receiver assemblies 120 evenly distributed on the ring wall of the end face of the collar 110 for measurement accuracy and cost considerations.

[0046] In some embodiments of the present invention, Figure 2 As shown, a plurality of placement grooves are arranged on one end surface of the collar member 110 , the ultrasonic receiving and transmitting assembly 120 is arranged in the placement grooves, and the receiving and transmitting end of the ultrasonic receiving and transmitting assembly 120 faces the other end surface of the collar member 110 .

[0047] The position of the ultrasonic transceiver assembly 120 is fixed by the mounting groove, and the transceiver end of the ultrasonic transceiver assembly 120 faces the other end face of the collar member 110, so that the ultrasonic signal emitted by the ultrasonic transceiver assembly 120 can be transmitted from one end face of the collar member 110 toward the other end face of the collar member 110, and fed back to the ultrasonic transceiver assembly 120 after being reflected by the other end face of the collar member 110.

[0048] A monitoring method according to an embodiment of the second aspect of the present invention is implemented by a cable force monitoring device disclosed in any of the above embodiments, such as Figure 4 As shown, the monitoring method comprises:

[0049] S410, controlling each ultrasonic transmitting and receiving assembly to transmit an ultrasonic signal, wherein the ultrasonic signal is transmitted from one end surface of the collar member toward the other end surface of the collar member, and is fed back to the ultrasonic transmitting and receiving assembly after being reflected by the other end surface of the collar member;

[0050] S420, calculating acoustic time difference information according to the received ultrasonic signal, wherein the acoustic time difference information is the time interval between the ultrasonic signal being transmitted by the ultrasonic transceiver component and the ultrasonic signal being fed back;

[0051] S430, calculating the bearing pressure of the collar components at the monitoring positions of each ultrasonic transmitting and receiving assembly according to the acoustic time difference information to analyze the cable force value of the anchor cable.

[0052] The monitoring method of the present invention is that the ultrasonic receiving and transmitting assembly transmits an ultrasonic signal, and the ultrasonic signal is transmitted from one end face of the ring member toward the other end face of the ring member, and is reflected by the other end face of the ring member and then fed back to the ultrasonic receiving and transmitting assembly. The anchor cable will squeeze the ring member sleeved on the anchor cable during the tightening process, and the squeezing force will cause the ring member to produce a certain degree of deformation. The deformation of the ring member will cause the transmission time of the ultrasonic signal to change. The sound time difference information is calculated based on the received ultrasonic signal to obtain the bearing pressure of the ring member, and then the cable force value of the anchor cable in the ring direction is analyzed. The monitoring of this design is more accurate, the response is rapid, and the monitoring structure is stable and reliable.

[0053] In some embodiments of the present invention, the pressure to be borne by the collar member at each monitoring position of the ultrasonic transmitting and receiving assembly is calculated according to the acoustic time difference information, including:

[0054] The pressure borne by the collar is calculated based on the pressure and deformation model of the collar according to the acoustic time difference information;

[0055] The pressure and deformation model is:

[0056] F = K*t;

[0057] Among them, F is the bearing pressure of the ring; K is the ultrasonic stress coefficient of the ring; t is the acoustic time difference.

[0058] Specifically, due to the differences between different sleeves and the deviation of the installation position of the ultrasonic receiving and transmitting assembly, the ultrasonic stress coefficients of various sleeves are different. Therefore, before the sleeves are mounted on the anchor cable, the ultrasonic stress coefficients of the sleeves need to be calibrated. For example, a hydraulic press is used to apply pressures of 500KN, 1000KN, 1500KN, 2000KN and 2500KN to the sleeves, and the acoustic time differences T1, T2, T3, T4 and T5 under the corresponding pressure state are recorded at each pressure. The ultrasonic stress coefficients corresponding to the acoustic time differences are calculated according to the pressure and deformation model, and the average value of each ultrasonic stress coefficient is taken or the strain curve is formed using the above values ​​to obtain the calibration value of the ultrasonic stress coefficient.

[0059] Since there are multiple ultrasonic transmitting and receiving components in the monitoring process, and each of them emits ultrasonic signals for detection, in order to prevent interference from other ultrasonic signals and to facilitate relatively accurate calculation of the acoustic time difference information, in some embodiments of the present invention, Figure 5 As shown, the calculation of the acoustic time difference information according to the received ultrasonic signal includes:

[0060] S510, while the ultrasonic wave receiving and transmitting component transmits the ultrasonic wave signal, the ultrasonic wave receiving and transmitting component receives the ultrasonic wave signal whose waveform amplitude is greater than the amplitude threshold and takes it as the first ultrasonic wave signal;

[0061] S520, the ultrasonic wave receiving and transmitting component continuously monitors, and during the continuous monitoring process, receives an ultrasonic wave signal with a waveform amplitude greater than an amplitude threshold and uses it as a second ultrasonic wave signal;

[0062] S530: When the waveforms of the second ultrasonic signal overlap with those of the first ultrasonic signal, obtaining acoustic time difference information according to the time interval between receiving the second ultrasonic signal and receiving the first ultrasonic signal.

[0063] While the ultrasonic transceiver component transmits an ultrasonic signal, the ultrasonic transceiver component also obtains the ultrasonic signal with a waveform amplitude greater than the amplitude threshold as the first ultrasonic signal, which is equivalent to a reference signal. Then, when the ultrasonic signal is reflected by the other end face of the ring member and fed back to the ultrasonic transceiver component, the ultrasonic transceiver component receives the ultrasonic signal with a waveform amplitude greater than the amplitude threshold as the second ultrasonic signal, and determines whether the waveforms of the second ultrasonic signal and the first ultrasonic signal can roughly overlap. If they can overlap, the sound time difference information is calculated. If an ultrasonic signal with a waveform amplitude less than the amplitude threshold or a waveform that cannot overlap is obtained during the continuous monitoring process of the ultrasonic transceiver component, it is discarded.

[0064] Specifically, when the waveform of the second ultrasonic signal coincides with the waveform of the first ultrasonic signal, the acoustic time difference information obtained according to the time interval between receiving the second ultrasonic signal and the first ultrasonic signal includes:

[0065] Moving the waveform of the second ultrasonic signal by n sampling unit points to determine whether it coincides with the waveform of the first ultrasonic signal;

[0066] If they overlap, then

[0067]

[0068] Where n is the number of sampling unit points and T is the sampling period.

[0069] According to the third aspect of the present invention, the monitoring system includes the cable force monitoring device disclosed in any of the above embodiments and a monitoring background 200 , and the monitoring background 200 is connected to the modulation acquisition module 130 .

[0070] The monitoring backend 200 can be connected to the modulation acquisition modules 130 of multiple cable force monitoring devices at the same time. Different cable force monitoring devices are used to measure the cable force values ​​of different anchor cables 310. The monitoring backend 200 can obtain the cable force value of each anchor cable 310 for monitoring.

[0071] The monitoring background 200 can be installed in the control room and receive the rope tension value data sent from each modulation acquisition module 130 through Ethernet, and make an alarm judgment whether it is abnormal based on this. According to the alarm judgment, if the measured rope tension value exceeds the set normal value range, an abnormal rope tension alarm is issued and the ultrasonic signal data is archived and recorded.

[0072] Furthermore, the monitoring backend 200 stores and archives the measured cable force value of each anchor cable 310 at preset intervals, forms a monthly and annual change trend curve of the cable force value, and provides a historical curve trend report.

[0073] This design can realize online and uninterrupted monitoring of the cable force of the anchor cable 310, and provide cable force change trend and abnormal alarm report based on the monitoring data, provide real-time status warning and life assessment for the safe operation of the mixed tower fan, and ensure the healthy and stable operation of the mixed tower fan.

[0074] In some embodiments of the present invention, the modulation acquisition module 130 is connected to each of the ultrasonic transceiver components 120 via an Ethernet cable, and the monitoring background 200 is connected to the modulation acquisition module 130 via an Ethernet cable.

[0075] Specifically, a control device may be provided in the monitoring system. The control device includes a memory and a processor. The memory stores a computer program. When the processor executes the computer program, the monitoring method disclosed in any of the above embodiments is implemented.

[0076] The control device can be any intelligent terminal including a central computer, a remote device terminal computer, etc.

[0077] like Figure 6 As shown, Figure 6 The hardware structure of the control device of another embodiment is also illustrated, and the control device comprises:

[0078] The processor 610 may be implemented by a general-purpose central processing unit 610 (CPU), a microprocessor 610, an application specific integrated circuit (ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the technical solutions provided in the embodiments of the present application;

[0079] The memory 620 may be implemented in the form of a read-only memory 620 (ROM), a static storage device, a dynamic storage device, or a random access memory 620 (RAM). The memory 620 may store an operating system and other application programs. When the technical solution provided in the embodiment of this specification is implemented by software or firmware, the relevant program code is stored in the memory 620, and the processor 610 calls and executes the monitoring method of the embodiment of this application;

[0080] Input / output interface 630, used to implement information input and output;

[0081] Communication interface 640, used to realize communication interaction between the device and other devices, which can be realized through wired mode (such as USB, network cable, etc.) or wireless mode (such as mobile network, WIFI, Bluetooth, etc.);

[0082] Bus 650, which transmits information between various components of the device (such as processor 610, memory 620, input / output interface 630 and communication interface 640), and can also be connected to the intelligent Internet of Things through the bus;

[0083] The processor 610 , the memory 620 , the input / output interface 630 , and the communication interface 640 are connected to each other in communication within the device via a bus 650 .

[0084] According to the computer-readable storage medium of the fourth aspect of the present invention, the computer-readable storage medium stores a computer program, and is characterized in that when the computer program is executed by a processor, the monitoring method disclosed in any of the above embodiments is implemented.

[0085] The memory, as a non-transient computer-readable storage medium, can be used to store non-transient software programs and non-transient computer executable programs. In addition, the memory may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some embodiments, the memory may optionally include a memory remotely disposed relative to the processor, and these remote memories may be connected to the processor via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0086] The embodiments described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application and do not constitute a limitation on the technical solutions provided in the embodiments of the present application. Those skilled in the art will appreciate that with the evolution of technology and the emergence of new application scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0087] Those skilled in the art will appreciate that the technical solutions shown in the figures do not constitute a limitation on the embodiments of the present application, and may include more or fewer steps than shown in the figures, or a combination of certain steps, or different steps.

[0088] The device embodiments described above are merely illustrative, and the units described as separate components may or may not be physically separated, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0089] Those skilled in the art will appreciate that all or some of the steps in the methods disclosed above, and the functional modules / units in the systems and devices may be implemented as software, firmware, hardware, or a suitable combination thereof.

[0090] The terms "first", "second", "third", "fourth", etc. (if any) in the specification of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0091] The preferred embodiments of the present invention are described above with reference to the accompanying drawings, but the scope of the rights of the present invention is not limited thereto. Any modification, equivalent substitution and improvement made by a person skilled in the art without departing from the scope and essence of the present invention should be within the scope of the rights of the present invention.

[0092] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0093] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A cable force monitoring device for monitoring the cable force value of an anchor cable, characterized in that: include: A collar, used for being sleeved on the anchor cable and located between the anchor head of the anchor cable and the anchor pad of the anchor cable; A plurality of ultrasonic transmitting and receiving components, wherein the ultrasonic transmitting and receiving components are arranged on one end surface of the collar member, and the plurality of ultrasonic transmitting and receiving components are arranged in a circumferential direction around the collar member; The modulation and acquisition module is respectively connected to each of the ultrasonic receiving and transmitting components. The modulation and acquisition module can control the ultrasonic receiving and transmitting components to generate ultrasonic signals, and the modulation and acquisition module can acquire the ultrasonic signals to process the pressure borne by the ring according to the acquired ultrasonic signals to analyze the cable force value of the anchor cable.

2. A cable force monitoring device according to claim 1, characterized in that: There are four ultrasonic wave receiving and transmitting components, and the ultrasonic wave receiving and transmitting components are evenly arranged in the circumferential direction of the ring member.

3. A cable force monitoring device according to claim 1, characterized in that: A plurality of placement grooves are arranged on one end surface of the collar member, the ultrasonic receiving and transmitting assembly is arranged in the placement grooves, and the receiving and transmitting end of the ultrasonic receiving and transmitting assembly faces the other end surface of the collar member.

4. A monitoring method, implemented by the cable force monitoring device according to any one of claims 1 to 3, characterized in that: The monitoring method comprises: Controlling each ultrasonic transmitting and receiving assembly to transmit an ultrasonic signal, wherein the ultrasonic signal is transmitted from one end surface of the collar member toward the other end surface of the collar member, and is fed back to the ultrasonic transmitting and receiving assembly after being reflected by the other end surface of the collar member; Calculating the acoustic time difference information according to the received ultrasonic signal, wherein the acoustic time difference information is the time interval between the ultrasonic signal being emitted by the ultrasonic transceiver component and the ultrasonic signal being received as feedback; The pressure borne by the collar at each monitoring position of the ultrasonic transmitting and receiving assembly is calculated based on the acoustic time difference information to analyze the cable force value of the anchor cable.

5. A monitoring method according to claim 4, characterized in that: The pressure of the collar member at each monitoring position of the ultrasonic transmitting and receiving assembly is calculated based on the acoustic time difference information, including: The pressure borne by the collar is calculated based on the pressure and deformation model of the collar according to the acoustic time difference information; The pressure and deformation model is: F = K*t; Among them, F is the bearing pressure of the ring; K is the ultrasonic stress coefficient of the ring; t is the acoustic time difference.

6. A monitoring method according to claim 4, characterized in that: The step of calculating the acoustic time difference information according to the received ultrasonic signal includes: While the ultrasonic wave receiving and transmitting component transmits the ultrasonic wave signal, the ultrasonic wave receiving and transmitting component receives the ultrasonic wave signal whose waveform amplitude is greater than the amplitude threshold value and takes it as the first ultrasonic wave signal; The ultrasonic wave receiving and transmitting component continuously monitors, and during the continuous monitoring process, receives an ultrasonic wave signal with a waveform amplitude greater than an amplitude threshold and uses it as a second ultrasonic wave signal; When the waveforms of the second ultrasonic signal overlap with the waveform of the first ultrasonic signal, the acoustic time difference information is obtained according to the time interval between receiving the second ultrasonic signal and the first ultrasonic signal.

7. A monitoring method according to claim 6, characterized in that: When the waveform of the second ultrasonic signal coincides with the waveform of the first ultrasonic signal, the acoustic time difference information obtained according to the time interval between receiving the second ultrasonic signal and the first ultrasonic signal includes: Moving the waveform of the second ultrasonic signal by n sampling unit points to determine whether it coincides with the waveform of the first ultrasonic signal; If they overlap, then Where n is the number of sampling unit points and T is the sampling period.

8. A monitoring system, characterized in that: It comprises a cable force monitoring device as described in any one of claims 1 to 3 and a monitoring background, wherein the monitoring background is connected to a modulation acquisition module.

9. A monitoring system according to claim 7, characterized in that: The modulation acquisition module is connected to each of the ultrasonic wave receiving and transmitting components through an Ethernet cable, and the monitoring background is connected to the modulation acquisition module through an Ethernet cable.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, a monitoring method as described in any one of claims 4 to 7 is implemented.

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