Multi-point deformation monitoring system

Abstract

The application provides a multi-point deformation monitoring system, comprising: a master transceiver device and at least one slave transceiver device in an association relationship; the master transceiver device sends a detection signal to each slave transceiver device in a target monitoring area, and transmits a feedback signal from the slave transceiver device to a processor; the slave transceiver device adds a modulation signal to the detection signal and sends the feedback signal to the master transceiver device; the processor determines whether deformation occurs in the target monitoring area based on the feedback signal; and a prompt information is sent in the case of deformation. Through the system provided by the application, multiple slave transceiver devices can be arranged on a monitoring object, and each slave transceiver device can add a modulation signal with a unique code of the receiver when receiving the detection signal each time, so that the master transceiver device and the slave transceiver device can be associated and matched, and whether deformation occurs in the monitoring object can be identified according to the point positions corresponding to the multiple slave transceiver devices, thereby improving the accuracy of geological disaster evaluation.

Description

Technical Field

[0001] This invention relates to the field of signal processing technology, and in particular to a multi-point deformation monitoring system. Background Technology

[0002] Geological displacement monitoring refers to the process of monitoring changes in the position of the Earth's surface or underground soil and rock masses. This monitoring is crucial for assessing the risk of geological hazards (such as landslides and ground subsidence), the safety of engineering construction, and changes in the natural environment. By accurately measuring and recording the movement of specific points on the surface or underground over time, geological displacement monitoring can provide important data support for predicting potential geological hazards, guiding engineering design and construction, and ensuring the safe operation of infrastructure.

[0003] In existing technologies, the terrain of local areas is usually monitored and detected in real time through GPS / GNSS positioning, sensors, and drones. However, in some special scenarios (such as soil or vegetation-covered areas), the assessment of geological hazards may be inaccurate due to insufficient signal strength or the influence of natural weather changes. Summary of the Invention

[0004] In view of this, the present invention provides a multi-point deformation monitoring system. Through this system, multiple slave transceivers can be set on the monitored object, and each slave transceiver can superimpose a modulation signal with the unique code of the receiver each time it receives a detection signal, so that the master transceiver and slave transceivers can be associated and matched, and the deformation of the monitored object can be identified according to the points corresponding to multiple slave transceivers, thereby improving the accuracy of geological disaster assessment.

[0005] A multi-point deformation monitoring system, comprising: First device group, second device group, and processor; The first device group includes at least one main transceiver; The second device group includes multiple transceiver devices; Each of the master transceivers is associated with at least one slave transceiver; For each of the master transceivers, the master transceiver is used to send detection signals to each slave transceiver in the target monitoring area of ​​the monitored object according to a time period, and forward the feedback signals received from each of the slave transceivers based on the detection signals to the processor. The monitored object includes multiple monitoring areas that correspond one-to-one with each of the master transceivers. Each monitoring area is provided with multiple monitoring points, and each monitoring point is provided with a slave transceiver. For each of the slave transceivers, the slave transceiver is configured to add a modulation signal to the detection signal each time a detection signal is received, and send the modulated detection signal as a feedback signal to the master transceiver, wherein the modulation signal contains a unique code for identifying the slave transceiver; The processor is used to determine whether the target monitoring area has been deformed based on the various feedback signals forwarded by the main transceiver; and to issue a prompt message corresponding to the target monitoring area if the target monitoring area has been deformed.

[0006] Optionally, in the aforementioned multi-point deformation monitoring system, the signals transmitted by each of the main transceivers in the first device group are different.

[0007] Optionally, the main transceiver device in the aforementioned multi-point deformation monitoring system includes: a control chip, a signal receiving chip, a signal transmitting chip, a digital-to-analog converter module, a filter, an oscillator, a first power supply module, and multiple signal antennas. The control chip is used to control the signal antenna to output a detection signal according to the time period; receive the digital signal output by the digital-to-analog converter module, and forward the digital signal to the processor; The signal transmitting chip is used to transmit the signal output by the oscillator to the signal antenna; Each of the aforementioned signal antennas is used to receive and transmit signals, and to transmit the received signals to the signal receiving chip; The oscillator is used to control the phase alignment between the signal to be transmitted in the signal transmitting chip and the signal already received in the signal receiving chip; The filter is used to filter the feedback signal; The digital-to-analog converter module is used to convert the filtered feedback signal into a digital signal; The first power module is used to supply power to the main transceiver device.

[0008] In the aforementioned multi-point deformation monitoring system, optionally, the modulation signal of the transceiver is the signal corresponding to the unique code of the transceiver; or, The modulation signal of the transceiver is a variable signal that changes according to a preset pattern. The variable signal is a signal composed of the unique code and the variable code of the transceiver.

[0009] Optionally, in the above-mentioned multi-point deformation monitoring system, the transceiver device includes: a radio frequency front-end, a signal generation module, and a second power supply module; The radio frequency front end is used to receive and transmit signals; The signal generation module is used to generate a modulation signal and add the modulation signal to the detection signal when the radio frequency front end receives a detection signal sent by any master transceiver. The second power module is used to supply power to the transceiver.

[0010] Optionally, in the aforementioned multi-point deformation monitoring system, the transceiver device may further include: First amplifier and second amplifier; The first amplifier is used to amplify the signal received by the radio frequency front end with low noise after the radio frequency front end receives the signal; The second amplifier is used to amplify the frequency of the signal to be transmitted before the RF front end transmits the signal.

[0011] In the aforementioned multi-point deformation monitoring system, optionally, each of the feedback signals includes at least one of a first feedback signal and a second feedback signal, wherein the first feedback signal is a feedback signal sent by a slave transceiver associated with the main transceiver; and the second feedback signal is a feedback signal sent by a slave transceiver not associated with the main transceiver. The processor determines whether the target monitoring area has undergone deformation based on the feedback signals forwarded by each of the main transceivers, specifically for: Each feedback signal is analyzed to obtain a unique code in the modulation signal contained in each feedback signal; Based on each of the unique codes, it is determined whether the master transceiver device has a signal missing. The signal missing indicates that the slave transceiver device associated with the master transceiver device has not sent a feedback signal based on the detection signal. If the main transceiver does not have a signal loss, the first feedback signal in each of the feedback signals is analyzed to determine the current position of the slave transceiver corresponding to each first feedback signal; and based on the current position of each slave transceiver, it is determined whether the target monitoring area has been deformed. If the main transceiver device has a missing signal, it detects whether the missing feedback signal is a second feedback signal received by other main transceivers devices to determine whether the target monitoring area has been deformed.

[0012] The aforementioned multi-point deformation monitoring system, optionally, involves determining whether deformation has occurred in the target monitoring area based on the current position of each of the transceiver devices, specifically for: Based on the unique code in each of the first feedback signals, the historical position of each of the transceivers is obtained; The transceiver whose current position is inconsistent with its historical position is identified as a displacement receiver. Based on the current position of at least one of the displacement receivers, the range of change of the target monitoring area is determined; If the range of change exceeds the preset monitoring range, it is determined that the target monitoring area has deformed.

[0013] The aforementioned multi-point deformation monitoring system, optionally, includes a processor that detects whether the missing feedback signal is a second feedback signal received by other main transceivers to determine whether deformation has occurred in the target monitoring area. Specifically, this is used for: Determine the number of missing feedback signals; If the number of missing feedbacks exceeds the preset monitoring quantity, and the missing feedback signal is a second feedback signal received by other main transceivers, it is determined that the target monitoring area has been deformed.

[0014] Optionally, the multi-point deformation monitoring system described above may further include: a camera device; The camera device is used to capture images of the monitored object in real time; The processor is also used for: If the missing feedback signal is not a second feedback signal received by other main transceivers, acquire the target video of the target monitoring area captured by the camera device in the current time period; Based on the target video, determine whether the transceiver device with the missing signal has been lost, and issue a corresponding loss warning if it has been lost.

[0015] This invention provides a multi-point deformation monitoring system, comprising: a master transceiver and at least one slave transceiver; the master transceiver is configured to send detection signals to each slave transceiver within a target monitoring area of ​​a monitored object according to a time period, and forward feedback signals received from each slave transceiver based on the detection signals to a processor, wherein the monitored object includes multiple monitoring areas corresponding one-to-one with each of the master transceiver; a slave transceiver is configured to add a modulation signal to the detection signal each time a detection signal is received, and send the modulated detection signal as a feedback signal to the master transceiver, wherein the modulation signal contains a unique code for identifying the slave transceiver; and a processor is configured to determine whether the target monitoring area has deformed based on the feedback signals forwarded by the master transceiver; and, if the target monitoring area has deformed, issue a prompt message corresponding to the target monitoring area. The system provided by this invention allows for the installation of multiple slave transceivers on the monitored object. Each slave transceiver can superimpose a modulation signal with a unique code of the receiver each time it receives a detection signal, enabling the master transceiver and slave transceivers to be associated and matched. Furthermore, it can identify whether the monitored object has undergone deformation based on the locations corresponding to the multiple slave transceivers, thereby improving the accuracy of geological hazard assessment. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0017] Figure 1 A system structure diagram of a multi-point deformation monitoring system provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the main transceiver device provided in an embodiment of the present invention; Figure 3 This is a structural diagram of a transceiver device provided in an embodiment of the present invention; Figure 4 This is a schematic diagram illustrating the generation of a modulated signal from a transceiver device, provided as an embodiment of the present invention. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] In this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0020] This invention can be used in a wide variety of general-purpose or special-purpose computing environments or configurations. For example: personal computers, server computers, handheld or portable devices, tablet devices, multiprocessor devices, distributed computing environments including any of the above devices, etc.

[0021] This invention provides a multi-point deformation monitoring system, the system structure diagram of which is shown below. Figure 1 As shown, it specifically includes: a first device group 1, a second device group 2, and a processor 3.

[0022] The first device group 1 includes at least one main transceiver device 10. Each main transceiver device 10 in the first device group 1 may be a radar device.

[0023] The second device group 2 includes multiple transceiver devices 20. The transceiver devices 20 are active signal processing devices.

[0024] Each master transceiver 10 is associated with at least one slave transceiver 20.

[0025] For each master transceiver 10, the master transceiver 10 sends detection signals to each slave transceiver within the target monitoring area of ​​the monitored object according to the time period, and forwards the feedback signals received from each slave transceiver based on the detection signals to the processor 3. The monitored object includes multiple monitoring areas that correspond one-to-one with each master transceiver. The monitoring area in the target monitoring object corresponds to the monitoring area of ​​the master transceiver 10. Each monitoring area is equipped with multiple monitoring points, and each monitoring point is equipped with a slave transceiver.

[0026] For each slave transceiver 20, each time a detection signal is received, the slave transceiver 20 adds a modulated signal to the detection signal and sends the modulated detection signal as a feedback signal to the master transceiver 10. The modulated signal contains a unique code for identifying the slave transceiver 20. The processor 3 determines whether the target monitoring area has been deformed based on the various feedback signals forwarded by the main transceiver 10; if the target monitoring area has been deformed, it sends out the corresponding prompt information for the target monitoring area.

[0027] The multi-point deformation monitoring system provided in this invention can be applied to multiple scenarios, including monitoring objects such as bridges, tunnels, dams, mountains, and other urban buildings. This invention involves setting multiple slave transceivers 20 on the monitoring object. These slave transceivers 20 can be spaced at equal intervals, or the distance between them can be set according to the location of key areas within the monitoring object (e.g., smaller spacing between slave transceivers 20 in key areas and wider spacing between slave transceivers 20 in non-key areas). Multiple master transceivers 10 are positioned opposite the monitoring object, and the signal transmission range of each master transceiver 10 is defined as the monitoring area within the monitoring object.

[0028] Each master transceiver 10 in the first device group 1 is configured with corresponding signal parameters (such as frequency, amplitude and signal type). Each time a detection signal is transmitted, the master transceiver 10 transmits according to its configured signal parameters, and the signals transmitted by each master transceiver 10 in the first device group 1 are different.

[0029] In this invention, each master transceiver 10 transmits different signals, which ensures that when the processor processes the signals, it can distinguish between different master transceivers 10 through different signal parameters.

[0030] refer to Figure 2The main transceiver 10 includes: a control chip 101, at least one signal receiving chip 102, at least one signal transmitting chip 103, a digital-to-analog converter module 104, a filter 105, an oscillator 106, a first power supply module 107, and multiple signal antennas 108.

[0031] The control chip 101 can be an FPGA chip. This chip can control and manage the main transceiver device 10 according to instructions from the backend (such as the processor 3 mentioned above), and can also set the signal parameters of the detection signal transmitted by the signal transmitter 10. The signal receiver chip 102 can be a multi-channel receiver chip (such as a 4-channel receiver chip), and the signal transmitter chip 103 can be a multi-channel transmitter chip (such as a 2-channel transmitter chip). The control chip 101 controls the signal antenna to output the detection signal according to a time period. Specifically, it sends an enable signal to the signal transmitter chip 103 according to a time period. Based on the enable signal, the signal transmitter chip 103 controls the transmitter antenna 1081 in the signal antenna 108 to transmit the detection signal. The signal to be transmitted in the signal transmitter chip 103 first passes through the oscillator 105. The oscillator 105 processes the phase of the signal to be transmitted, and then the signal transmitter chip 103 controls the transmitter antenna 1081 in the signal antenna 108 to transmit the detection signal. After the detection signal is transmitted to the slave transceiver 20, the slave transceiver 20 adds its own modulation signal to the detection signal and returns it to the master transceiver 10 along the original path. After receiving the feedback signal, the receiving antenna 1082 in the signal antenna 108 transmits the feedback signal (such as...) to the signal receiving chip 102. Figure 2 The differential intermediate frequency signals (1-8) are sent to filter 105 for differential filtering. The filtered feedback signals are then converted into digital signals by digital-to-analog converter module 104. Finally, the digital signals are fed back to processor 3 via control chip 101 for processing. Figure 2 As shown, the oscillator 105 consists of a PLL (phase-locked loop) and a VCO (voltage-controlled oscillator), used to control the phase alignment between the signal to be transmitted in the signal transmitting chip 103 and the signal already received in the signal receiving chip 102. The control chip 101 can control the oscillator for phase alignment via communication and control lines, and then the oscillator feeds back a synchronization signal to the control chip 101 to determine whether the signals are phase aligned. The first power module 107 is used to power the main transceiver 10, and can be directly connected to the control chip 101, supplying power to the various components within the main transceiver 10 through the control chip 101.

[0032] In this invention, the main transceiver 10 transmits detection signals to the target monitoring area of ​​the monitored object according to a time period. Multiple points are set in the target monitoring area, and each point is equipped with a slave transceiver 20. Each slave transceiver 20 is an active signal processing device. When it receives the detection signal, it generates a modulation signal and adds it to the detection signal to obtain a feedback signal. The feedback signal is then returned to the main transceiver 10 for further processing based on the collected feedback signal to extract information about changes in the slave transceiver 20. Measurement is then performed to obtain the minute displacement of the slave transceiver 20, thereby identifying potential safety hazards.

[0033] refer to Figure 3 The transceiver 20 includes a radio frequency (RF) front-end 201, a signal generation module 202, and a second power supply module 203 (not shown in the figure). The RF front-end 201 also includes a receiving antenna 2011 and a transmitting antenna 2012 for receiving and transmitting, respectively. The receiving antenna 2011 of the RF front-end 201 receives a detection signal transmitted from the master transceiver 10; the transmitting antenna of the RF front-end 201 feeds back a modulated detection signal to the master transceiver. The signal generation module 202 generates a modulated signal when the RF front-end 201 receives the detection signal. This modulated signal is either a signal corresponding to the unique code of the transceiver 20, or a variable signal following a preset variation pattern, wherein the variable signal is a signal composed of the unique code and the variable code of the transceiver 20. The second power supply module 203 supplies power to the transceiver 20.

[0034] If the modulating signal is a variable signal that changes according to a pattern, the variable codes in the variable signal change in an increasing order. For example, if the variable code in the previously generated modulating signal was 0001, then the variable code in the current modulating signal will be 0010, and the variable code in the next generated modulating signal will be 0011.

[0035] Suppose that the modulation signal generated from transceiver 20 is an electromagnetic wave signal converted from an 8-byte digital signal. If the modulation signal is generated solely from the unique code of transceiver 20, and the unique code of transceiver 20 is 0001, then the modulation signal generated from transceiver 20 is an electromagnetic wave signal converted from the digital signal 00000001. Alternatively, if the modulation signal is generated from the unique code of transceiver 20 and a variable code that changes according to a pattern, and the unique code of transceiver 20 is 0001, and the current variable code is 0010 according to a pattern (such as an incrementing code), then the modulation signal generated from transceiver 20 is an electromagnetic wave signal converted from the digital signal 00100001, and the next generated modulation signal is an electromagnetic wave signal converted from the digital signal 00110001 (e.g., ...). Figure 4As shown in the figure), and so on, which will not be repeated here.

[0036] It should be noted that during the process of variable coding changing according to increment or other change rules, if the current variable coding code number reaches the maximum code number (e.g., the current variable coding code number is 1111), then the next variable coding can be reset (e.g., reset to 0000 or 0001), and then continue to change according to the change rules.

[0037] If the signal corresponding to the unique code is used as the modulation signal, it can be ensured that the processor 3 can identify the relationship between the slave transceiver 20 and the master transceiver 10 when processing the feedback signal. In practical applications, if the monitored object deforms, the slave transceiver 20 may shift to the monitoring area monitored by other master transceivers 10. When the master transceiver 10 receives a feedback signal from another monitoring area, the processor 3 can identify whether the feedback signal is a signal sent by the slave transceiver 20 associated with the master transceiver 10 through the unique code.

[0038] If the signals corresponding to the unique code and the variable code are used as the modulation signals, the unique code can be used to identify the slave transceiver 20 to which the feedback signal belongs, while the variable code can be used to determine the continuity of the signal. For example, during deformation monitoring, if there is a temporary obstruction, the slave transceiver 20 may not be able to receive the detection signal or the feedback signal may be blocked. In this case, the processor cannot obtain the feedback signal and thus determines that the signal is missing. When the obstruction leaves the target monitoring area, the processor 3 can determine from the variable code in the feedback signal received again that the location of the slave transceiver 20 was only temporarily obstructed, so as to avoid misjudgment due to signal loss.

[0039] If the detection signal transmitted by the master transceiver 10 cannot reach the slave transceiver 20 due to obstruction, the detection signal may be reflected back by the obstruction. When the processor processes the signal forwarded by the master transceiver 10, it cannot identify the unique code and variable code. At this time, it records that the target monitoring area is suspected of being obstructed or has a missing signal. Within a preset time period, the obstruction leaves the target monitoring area, and the slave transceiver 20 can continue to receive and modulate the detection signal normally. When the processor 3 processes the feedback signal, it can identify the unique code and variable code. At this time, it can be confirmed that the target monitoring area is temporarily obstructed and there is no missing signal. If the feedback signal cannot reach the master transceiver 10 after the slave transceiver 20 receives the detection signal because the target monitoring area is obstructed by an obstruction, and after the obstruction leaves the target monitoring area, the slave transceiver 20 modulates again according to the change pattern. The variable code in the feedback signal received by the master transceiver 10 is discontinuous with the previously received feedback signal. At this time, the processor can determine that the target monitoring area is temporarily obstructed.

[0040] Optionally, if the main transceiver does not receive a feedback signal from the transceiver within a preset time period, the processor will issue a device malfunction warning corresponding to the transceiver. Staff can then check whether any device is missing or obstructed on-site based on this warning.

[0041] In this embodiment of the invention, the signal generation module 202 generates a modulation signal with a unique code. The unique code can be used to track the status of each point in the monitored object in real time to determine whether each point has been displaced. By combining the displacement status of multiple points, it can be determined whether the monitored object has been deformed.

[0042] Furthermore, such as Figure 3As shown, the transceiver device 20 also includes a first amplifier 204 and a second amplifier 205, both of which amplify the signal. The first amplifier 204 can be a low-noise amplifier (LNA), with one end connected to the receiving antenna 2011 of the RF front-end 201 and the other end connected to the signal generation module 202. After receiving a signal from the RF front-end 201, the first amplifier 204 amplifies the received signal with low noise and inputs the amplified signal to the signal generation module 202. The signal generation module 202 adds a modulation signal to the signal input to the first amplifier 204. The second amplifier 205 can be a power amplifier (PA), with one end connected to the signal generation module 202 and the other end connected to the transmitting antenna 2012 of the RF front-end 201. The second amplifier 205 amplifies the modulated signal and outputs the amplified signal via the RF front-end 201. That is, after the detection signal transmitted by the main transceiver 10 is received by the radio frequency front-end 201, the first amplifier 204 amplifies the detection signal with low noise, so as to input the amplified detection signal into the signal generation module 202. The signal generation module 202 adds the modulation signal to the amplified detection signal, and inputs the modulated detection signal into the second amplifier 205 for power amplification. The power-amplified detection signal is then sent to the main transceiver 10 as a feedback signal via the transmitting antenna 2012 of the radio frequency front-end.

[0043] Based on the above embodiments, during the transmission of detection signals, the main transceiver 10 may experience signal attenuation due to environmental factors. Therefore, a first amplifier and a second amplifier are added to avoid signal attenuation during transmission, which could lead to abnormalities or inaccurate identification of deformation monitoring at various points of the monitored object.

[0044] After the modulated signal is added to the detection signal from the transceiver 20, it is returned to the main transceiver 10 as a feedback signal along the original transmission path of the detection signal. The main transceiver 10 filters the received feedback signal through the filter 105, and then converts the feedback signal into a digital signal through the digital-to-analog converter 104. The processor 3 processes the digital signal to determine whether the target monitoring area corresponding to the main transceiver 10 has been deformed.

[0045] Optionally, the processor 3 may be configured with multiple processing threads. When the processor 3 receives feedback signals forwarded by multiple master transceivers 10, it distributes the feedback signals forwarded by different master transceivers 10 to each processing thread for processing (feedback signals forwarded by the same master transceiver are processed by the same processing thread) to improve the processing efficiency of the processor 3 in processing each feedback signal.

[0046] Specifically, after receiving each feedback signal forwarded by the master transceiver 10, the processor 3 parses the feedback signals to obtain the unique code in the modulation signal contained in each feedback signal; based on each unique code, it determines whether the master transceiver 10 has a signal missing; a signal missing indicates that the slave transceiver 20 associated with the master transceiver 10 has not sent a feedback signal based on the detection signal; if the master transceiver 10 does not have a signal missing, it analyzes the first feedback signal in each feedback signal to determine the current position of the slave transceiver 20 corresponding to each first feedback signal; based on the current position of each slave transceiver 20, it determines whether the target monitoring area has been deformed; if the master transceiver 10 has a signal missing, it detects whether the missing feedback signal is a second feedback signal received by other master transceivers 10 to determine whether the target monitoring area has been deformed. The feedback signals received by the main transceiver 10 include at least one of a first feedback signal and a second feedback signal. The first feedback signal is a feedback signal sent by the transceiver 20 associated with the main transceiver 10; the second feedback signal is a feedback signal sent by the transceiver 20 that is not associated with the main transceiver 10.

[0047] Understandably, if a monitoring area deforms, points within that area may shift to other monitoring areas or be obstructed by objects in other deformed areas. In this case, the detection signal received by transceiver 20 may not be the same as the detection signal sent by the main transceiver 10, which is associated with it. However, transceiver 20 will still modulate the detection signal. After the feedback signal returns to the main transceiver 10 along the original path of the detection signal, the processor can identify whether the feedback signal is a signal fed back by transceiver 20 associated with the main transceiver 10 based on the unique code in the feedback signal. If it is, the feedback signal is the first feedback signal; otherwise, it is the second feedback signal. If the feedback signal received by the main transceiver 10 only contains the first feedback signal, it means that points in other monitoring areas have not shifted to this monitoring area. If the feedback signal received by the main transceiver 10 contains the second feedback signal, it means that points in other monitoring areas have shifted to this monitoring area.

[0048] For a monitoring area where a displacement has occurred, there are missing signals in the feedback signals received by the main transceiver 10 corresponding to the monitoring area. If each missing signal is in another monitoring area, it indicates that the monitoring area has been deformed. If each missing signal is not in another monitoring area, it indicates that the currently missing signal may be blocked.

[0049] If the main transceiver 10 does not experience signal loss, the processor, during deformation analysis, can determine whether the target monitoring area has undergone deformation based on the current position of the first feedback signal. Specifically, based on the unique code in each first feedback signal, the historical position of each slave transceiver 20 is obtained; slave transceivers 20 whose current position differs from their historical position are identified as displacement receivers; based on the current position of at least one of the displacement receivers, the range of change in the target monitoring area is determined; if the range of change exceeds a preset monitoring range, deformation of the target monitoring area is determined.

[0050] If the main transceiver 10 has signal loss, it is necessary to determine whether deformation has occurred based on the number of missing signals. That is, determine the number of missing feedback signals; if the number of missing feedback signals exceeds the preset monitoring number, and the missing feedback signals are second feedback signals received by other main transceivers 10, it is determined that the target monitoring area has been deformed.

[0051] Furthermore, the multi-point deformation monitoring system provided in this embodiment of the invention may also include a camera device to capture images of the monitored object in real time and obtain real-time video of the monitored object. Simultaneously, the multi-point deformation monitoring system may also include a display module for displaying the real-time video captured by the camera device and the processing results of the processor on each feedback signal. These processing results include the current and historical positions of each slave transceiver 20, whether deformation has occurred in each monitoring area, and the current operating status of each master transceiver 10 and slave transceiver 20.

[0052] If the missing feedback signal is not a second feedback signal received by other main transceivers 10, the target video of the target monitoring area captured by the camera device in the current time period is acquired; based on the target video, it is determined whether the slave transceiver 20 with the missing signal is lost, and a corresponding loss warning is issued if it is lost. If the slave transceiver 20 is not lost, it indicates that the slave transceiver 20 is obstructed, and an obstruction warning can be issued. Personnel can take further action on-site based on the loss warning or the obstruction warning.

[0053] Based on the above embodiments, the multi-point deformation monitoring system provided by this invention can be applied to multiple scenarios: 1. Geological disaster monitoring: early warning of geological disasters such as landslides and debris flows, predicting potential disasters by monitoring minute movements on slopes or mountain surfaces. 2. Infrastructure safety inspection: monitoring the health status of important infrastructure such as bridges, tunnels, and dams to ensure their long-term stable operation. 3. Urban building monitoring: monitoring settlement, tilting, and other deformations in high-rise buildings, historical site protection, etc., to prevent safety accidents caused by uneven foundation settlement. 4. Mining safety: monitoring ground subsidence in mining areas and the stability of rock strata around mines to ensure the safety of mining operations.

[0054] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, for system or system embodiments, since they are basically similar to method embodiments, the description is relatively simple, and relevant parts can be referred to the descriptions in the method embodiments. The systems and system embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without creative effort.

[0055] Those skilled in the art will further recognize that the units and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both.

[0056] To clearly illustrate the interchangeability of hardware and software, the components and steps of each example have been generally described in terms of functionality above. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this invention.

[0057] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-point deformation monitoring system, characterized in that, include: First device group, second device group, and processor; The first device group includes at least one main transceiver; The second device group includes multiple transceiver devices; Each of the master transceivers is associated with at least one slave transceiver; For each master transceiver, the master transceiver is configured to send detection signals to each slave transceiver within the target monitoring area of ​​the monitored object according to a time period, and forward the feedback signals received from each slave transceiver based on the detection signals to the processor. The monitored object includes multiple monitoring areas corresponding one-to-one with each master transceiver. Each monitoring area is provided with multiple monitoring points, and each monitoring point is provided with one slave transceiver. Each feedback signal includes at least one of a first feedback signal and a second feedback signal. The first feedback signal is a feedback signal sent by a slave transceiver associated with the master transceiver. The second feedback signal is a feedback signal sent by a slave transceiver not associated with the master transceiver. For each of the slave transceivers, the slave transceiver is configured to add a modulation signal to the detection signal each time a detection signal is received, and send the modulated detection signal as a feedback signal to the master transceiver, wherein the modulation signal contains a unique code for identifying the slave transceiver; The processor is used to parse each feedback signal forwarded by the main transceiver device and obtain a unique code in the modulation signal contained in each feedback signal; Based on each of the unique codes, it is determined whether the master transceiver device has a signal missing. The signal missing indicates that the slave transceiver device associated with the master transceiver device has not sent a feedback signal based on the detection signal. If the main transceiver does not have a signal loss, the first feedback signal in each of the feedback signals is analyzed to determine the current position of the slave transceiver corresponding to each first feedback signal; and based on the current position of each slave transceiver, it is determined whether the target monitoring area has been deformed. If the main transceiver device has a signal loss, detect whether the missing feedback signal is a second feedback signal received by other main transceivers device, in order to determine whether the target monitoring area has been deformed. If the target monitoring area is deformed, a corresponding prompt message for that target monitoring area will be issued.

2. The multi-point deformation monitoring system according to claim 1, characterized in that, The signals transmitted by each of the master transceivers in the first device group are different.

3. The multi-point deformation monitoring system according to claim 2, characterized in that, The main transceiver includes: a control chip, a signal receiving chip, a signal transmitting chip, a digital-to-analog converter module, a filter, an oscillator, a first power supply module, and multiple signal antennas; The control chip is used to control the signal antenna to output a detection signal according to the time period; receive the digital signal output by the digital-to-analog converter module, and forward the digital signal to the processor; The signal transmitting chip is used to transmit the signal output by the oscillator to the signal antenna; Each of the aforementioned signal antennas is used to receive and transmit signals, and to transmit the received signals to the signal receiving chip; The oscillator is used to control the phase alignment between the signal to be transmitted in the signal transmitting chip and the signal already received in the signal receiving chip; The filter is used to filter the feedback signal; The digital-to-analog converter module is used to convert the filtered feedback signal into a digital signal; The first power module is used to supply power to the main transceiver device.

4. The multi-point deformation monitoring system according to claim 1, characterized in that, The modulation signal of the slave transceiver is the signal corresponding to the unique code of the slave transceiver; or, The modulation signal of the transceiver is a variable signal that changes according to a preset pattern. The variable signal is a signal composed of the unique code and the variable code of the transceiver.

5. The multi-point deformation monitoring system according to claim 4, characterized in that, The transceiver includes: a radio frequency front-end, a signal generation module, and a second power supply module; The radio frequency front end is used to receive and transmit signals; The signal generation module is used to generate a modulation signal and add the modulation signal to the detection signal when the radio frequency front end receives a detection signal sent by any master transceiver. The second power module is used to supply power to the transceiver.

6. The multi-point deformation monitoring system according to claim 5, characterized in that, The transceiver device further includes: First amplifier and second amplifier; The first amplifier is used to amplify the signal received by the radio frequency front end with low noise after the radio frequency front end receives the signal; The second amplifier is used to amplify the frequency of the signal to be transmitted before the RF front end transmits the signal.

7. The multi-point deformation monitoring system according to claim 1, characterized in that, The step of determining whether the target monitoring area has undergone deformation based on the current position of each of the transceiver devices is specifically used for: Based on the unique code in each of the first feedback signals, the historical position of each of the transceivers is obtained; The transceiver whose current position is inconsistent with its historical position is identified as a displacement receiver. Based on the current position of at least one of the displacement receivers, the range of change of the target monitoring area is determined; If the range of change exceeds the preset monitoring range, it is determined that the target monitoring area has deformed.

8. The multi-point deformation monitoring system according to claim 1, characterized in that, The processor detects whether the missing feedback signal is a second feedback signal received by other main transceivers, in order to determine whether the target monitoring area has undergone deformation, specifically for: Determine the number of missing feedback signals; If the number of missing feedbacks exceeds the preset monitoring quantity, and the missing feedback signal is a second feedback signal received by other main transceivers, it is determined that the target monitoring area has been deformed.

9. The multi-point deformation monitoring system according to claim 8, characterized in that, The multi-point deformation monitoring system also includes: a camera device; The camera device is used to capture images of the monitored object in real time; The processor is also used for: If the missing feedback signal is not a second feedback signal received by other main transceivers, acquire the target video of the target monitoring area captured by the camera device in the current time period; Based on the target video, determine whether the transceiver device with the missing signal has been lost, and issue a corresponding loss warning if it has been lost.

Images