Laser measurement target and settlement monitoring device thereof

Abstract

The invention relates to the field of settlement monitoring, and particularly discloses a laser measurement target and a settlement monitoring device thereof, and the laser measurement target comprises a reflecting surface which is made of a high-reflectivity material and is used for efficiently reflecting a laser measurement signal and ensuring the accuracy and stability of the measurement signal; the built-in sensor module comprises a temperature sensor, a humidity sensor and a pressure sensor and is used for monitoring the temperature, humidity and pressure changes of the surrounding environment of the target in real time so as to provide comprehensive environmental parameter data; the data processing unit is used for receiving sensor data and calculating the influence of the environment on the measurement precision so as to correct a laser measurement value; the temperature, humidity and pressure changes of the environment can be monitored in real time through the sensor module arranged in the target, and comprehensive environment parameter data are provided for measurement. And the data processing unit is responsible for receiving the data, calculating the influence of the environment on the measurement precision through an algorithm module, and correcting the laser measurement value, so that the measurement accuracy is further improved.

Description

Technical Field

[0001] The invention belongs to the field of settlement monitoring, in particular to a laser measurement target and a settlement monitoring device thereof. Background Art

[0002] Settlement monitoring refers to the work of observing, recording and analyzing the vertical settlement changes of buildings or land using specific measuring instruments and methods at certain time intervals and specified accuracy requirements.

[0003] Laser measurement targets are high-precision reference targets specially designed for use in laser measurement systems. They usually have specific geometric shapes and reflective properties that can be accurately identified and located by laser measurement equipment.

[0004] However, traditional methods and equipment for sedimentation monitoring through laser measurement targets often lack the ability to monitor and correct environmental factors in real time, resulting in the measurement results being easily affected by environmental factors such as temperature, humidity and pressure. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a laser measurement target to solve the problem that traditional measurement methods and equipment in the prior art often lack the ability to monitor and correct environmental factors in real time, resulting in the measurement results being easily affected by environmental factors such as temperature, humidity and pressure.

[0006] A laser measurement target, comprising:

[0007] The reflective surface is made of high reflectivity material and is used to efficiently reflect the laser measurement signal to ensure the accuracy and stability of the measurement signal;

[0008] Built-in sensor modules, including temperature sensor, humidity sensor and pressure sensor, are used to monitor the temperature, humidity and pressure changes of the target's surrounding environment in real time to provide comprehensive environmental parameter data;

[0009] The data processing unit is used to receive sensor data and calculate the impact of the environment on the measurement accuracy to correct the laser measurement value and improve the measurement accuracy.

[0010] Preferably, the data processing unit further comprises:

[0011] Algorithm module, the module implements the following formula calculation to evaluate the settlement amount:

[0012]

[0013] Among them, S(t) is the comprehensive evaluation value of settlement within time t, L i(t) is the measured distance of the i-th target at time t, T(t) is the temperature at time t, W(t) is the soil moisture at time t, ΔP j (t) is the change in ambient pressure, P avg (t) is the average ambient pressure, H s (W(t)) is the soil moisture influence function.

[0014] Preferably, the specific formula of the soil moisture influence function is as follows:

[0015]

[0016] Among them, a and b are fitting parameters, which determine the shape and position of the function. The parameters are fitted using nonlinear least squares method and determine the shape and position of the function.

[0017] A sedimentation monitoring method is applied to the above-mentioned laser measurement target, and the method comprises the following steps:

[0018] Step 1: Set up at least three laser measurement targets in the area to be monitored to ensure the accuracy and reliability of the measurement;

[0019] Step 2: Use a laser rangefinder to emit laser signals to each target and record the reflected echo, and obtain the distance data by calculation;

[0020] Step 3: Collect environmental data, including temperature, humidity and pressure, through the built-in sensors of the target to obtain comprehensive environmental parameter information;

[0021] Step 4: Apply the function S(t) to calculate the comprehensive assessment value of the settlement to evaluate the settlement of the area to be monitored.

[0022] Preferably, the method further comprises performing a time series analysis on the measurement data of each target, and using statistical methods to identify sedimentation trends and abnormal changes, such as a sudden increase in sedimentation rate or an abnormal sedimentation pattern;

[0023] According to the results of time series analysis, adjust the measurement frequency or add monitoring points to improve the accuracy and sensitivity of monitoring.

[0024] A settlement monitoring device, comprising:

[0025] A laser ranging unit, used for emitting a laser signal to a target and receiving a reflected signal to measure the distance between the target and the ranging unit;

[0026] The central data processing center receives data from the laser ranging unit and the built-in sensors of the target, applies S(t) to perform data analysis to monitor the subsidence and provide accurate subsidence assessment results;

[0027] The data storage unit is used to store historical measurement data and environmental data for subsequent analysis and comparison.

[0028] Preferably, the central data processing center includes:

[0029] The early warning system automatically triggers an alarm when it detects that the settlement rate exceeds a preset threshold, reminding relevant personnel to take timely measures to deal with the settlement problem;

[0030] The report generation module automatically generates a monitoring report based on the settlement assessment results, including settlement curves, settlement rate analysis, and abnormal change prompt information, to facilitate understanding and decision-making by relevant personnel.

[0031] Preferably, it also includes:

[0032] Wireless communication module, used to realize real-time data exchange between the central data processing center and the remote monitoring platform to ensure the timeliness and accuracy of data;

[0033] The remote monitoring platform has data receiving, displaying and analyzing functions, and can remotely view the real-time and historical data of the device to achieve remote monitoring and management.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] The built-in sensor module of the target can monitor the changes in temperature, humidity and pressure of the environment in real time, providing comprehensive environmental parameter data for measurement. The data processing unit is responsible for receiving this data, and calculating the impact of the environment on the measurement accuracy through the algorithm module, and correcting the laser measurement value, further improving the accuracy of the measurement;

[0036] The algorithm module also implements specific formula calculations, taking into account multiple factors such as measurement distance, temperature, soil moisture, and environmental pressure changes, and makes fine adjustments through the soil moisture influence function, making the assessment of settlement more accurate and reliable. The laser measurement target can provide high-precision measurement results under various complex environmental conditions, providing strong technical support for fields such as settlement monitoring, and has important practical value and application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a schematic diagram of the laser measurement target of the present invention;

[0038] Figure 2 is a flow chart of a data processing unit of the present invention;

[0039] Figure 3 This is a flow chart of the settlement monitoring method of the present invention;

[0040] Figure 4This is a flow chart of the time series analysis of the present invention. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] like Figures 1 to 4 As shown:

[0043] Embodiment 1: The present invention provides a laser measurement target, comprising:

[0044] The reflective surface is made of high reflectivity material and is used to efficiently reflect the laser measurement signal to ensure the accuracy and stability of the measurement signal;

[0045] Built-in sensor modules, including temperature sensor, humidity sensor and pressure sensor, are used to monitor the temperature, humidity and pressure changes of the target's surrounding environment in real time to provide comprehensive environmental parameter data;

[0046] The data processing unit is used to receive sensor data and calculate the impact of the environment on the measurement accuracy to correct the laser measurement value and improve the measurement accuracy.

[0047] Specifically, the data processing unit further includes:

[0048] Algorithm module, the module implements the following formula calculation to evaluate the settlement amount:

[0049]

[0050] Among them, S(t) is the comprehensive evaluation value of settlement within time t, L i (t) is the measured distance of the i-th target at time t, T(t) is the temperature at time t, W(t) is the soil moisture at time t, ΔP j (t) is the change in ambient pressure, P avg (t) is the average ambient pressure, H s (W(t)) is the soil moisture influence function.

[0051] Specifically, the specific formula of soil moisture influence function is as follows:

[0052]

[0053] Among them, a and b are fitting parameters, which determine the shape and position of the function. The parameters are fitted using nonlinear least squares method and determine the shape and position of the function.

[0054] As can be seen from the above, this embodiment provides a laser measurement target, which is designed with a reflective surface and made of high-reflectivity material to ensure accurate and stable reflection of the laser measurement signal. In addition, the target has a built-in sensor module, including a temperature sensor, a humidity sensor, and a pressure sensor, which can monitor the temperature, humidity, and pressure changes of the target's environment in real time, thereby providing comprehensive environmental parameter data. The target is also equipped with a data processing unit, which is responsible for receiving sensor data and calculating the impact of the environment on the measurement accuracy through an algorithm module, and then correcting the laser measurement value to improve the measurement accuracy; the algorithm module also implements a specific formula calculation for evaluating the amount of sedimentation, which takes into account multiple factors such as measurement distance, temperature, soil moisture, and environmental pressure change, and fine-tunes it through the soil moisture influence function. This design enables the laser measurement target to provide high-precision measurement results under various environmental conditions.

[0055] Embodiment 2: This embodiment is basically the same as the previous embodiment, except that it further includes a settlement monitoring method applied to the above-mentioned laser measurement target, the method comprising the following steps:

[0056] Step 1: Set up at least three laser measurement targets in the area to be monitored to ensure the accuracy and reliability of the measurement;

[0057] The number and location of targets should be planned appropriately based on the size, shape, and possible sedimentation patterns of the area to be monitored. Generally, more targets can provide more detailed and accurate sedimentation information.

[0058] Step 2: Use a laser rangefinder to emit laser signals to each target and record the reflected echo, and obtain the distance data by calculation;

[0059] Among them, the laser rangefinder is one of the core devices in settlement monitoring. It measures the distance by emitting laser signals to the target and receiving the reflected echo.

[0060] During the measurement process, the laser rangefinder records multiple measurement data for each target and averages or weights them to improve measurement accuracy.

[0061] Step 3: Collect environmental data, including temperature, humidity and pressure, through the built-in sensors of the target to obtain comprehensive environmental parameter information;

[0062] Among them, by collecting environmental data such as temperature, humidity and pressure, we can understand the changes in environmental factors during the measurement process, so as to make necessary corrections and adjustments to the measurement results.

[0063] Step 4: Apply the function S(t) to calculate the comprehensive assessment value of the settlement to evaluate the settlement of the area to be monitored;

[0064] Among them, this evaluation value can reflect the settlement conditions of the monitored area, including settlement amount, settlement rate and settlement pattern.

[0065] By comparing the evaluation values ​​at different time points, we can understand the changing trends and abnormal conditions of the settlement situation.

[0066] Specifically, it also includes time series analysis of the measurement data for each target, using statistical methods to identify sedimentation trends and abnormal changes, such as a sudden increase in sedimentation rate or abnormal sedimentation pattern;

[0067] According to the results of time series analysis, adjust the measurement frequency or add monitoring points to improve the accuracy and sensitivity of monitoring.

[0068] As can be seen from the above, this method is based on the previous application of laser measurement targets. After setting at least three laser measurement targets in the area to be monitored, the laser rangefinder transmits signals and records the reflected echoes to obtain distance data. At the same time, the built-in sensors of the targets collect environmental parameter information such as temperature, humidity and pressure. Using this information, the comprehensive assessment value of the settlement amount is calculated through a specific function to comprehensively evaluate the settlement of the area to be monitored. In addition, this method also includes time series analysis of the measurement data of each target, and uses statistical methods to identify settlement trends and abnormal changes, such as a sudden increase in settlement rate or abnormal settlement mode. According to the analysis results, the measurement frequency can be flexibly adjusted or monitoring points can be added to improve the accuracy and sensitivity of monitoring. This settlement monitoring method is not only efficient and accurate, but also can be dynamically adjusted according to actual conditions, providing strong technical support for settlement monitoring.

[0069] Embodiment 3: This embodiment is basically the same as the previous embodiment, except that it further comprises a settlement monitoring device, the device comprising:

[0070] A laser ranging unit, used for emitting a laser signal to a target and receiving a reflected signal to measure the distance between the target and the ranging unit;

[0071] The central data processing center receives data from the laser ranging unit and the built-in sensors of the target, applies S(t) to perform data analysis to monitor the subsidence and provide accurate subsidence assessment results;

[0072] The data storage unit is used to store historical measurement data and environmental data for subsequent analysis and comparison.

[0073] Specifically, the central data processing center includes:

[0074] The early warning system automatically triggers an alarm when it detects that the settlement rate exceeds a preset threshold, reminding relevant personnel to take timely measures to deal with the settlement problem;

[0075] The report generation module automatically generates a monitoring report based on the settlement assessment results, including settlement curves, settlement rate analysis, and abnormal change prompt information, to facilitate understanding and decision-making by relevant personnel.

[0076] Specifically, it also includes:

[0077] Wireless communication module, used to realize real-time data exchange between the central data processing center and the remote monitoring platform to ensure the timeliness and accuracy of data;

[0078] The remote monitoring platform has data receiving, displaying and analyzing functions, and can remotely view the real-time and historical data of the device to achieve remote monitoring and management.

[0079] As can be seen from the above, this device integrates a laser ranging unit, a central data processing center and a data storage unit; the laser ranging unit is responsible for emitting laser signals to the target and receiving reflected signals to accurately measure the distance, and the central data processing center receives data from the laser ranging unit and the target's built-in sensors, performs comprehensive analysis to monitor the settlement, and provides accurate settlement assessment results. At the same time, the data storage unit stores historical measurement data and environmental data for subsequent analysis and comparison. In addition, the device is also equipped with an early warning system that automatically triggers an alarm when the settlement rate exceeds a preset threshold, as well as a report generation module that automatically generates monitoring reports. Through the wireless communication module, the central data processing center can exchange data with the remote monitoring platform in real time to achieve remote monitoring and management. This settlement monitoring device is comprehensive in function and can monitor the settlement in real time and accurately, providing decision support for relevant personnel.

[0080] Application Process:

[0081] 1. Deployment of laser measurement targets

[0082] Site selection and installation:

[0083] In the area to be monitored, select at least three suitable locations according to monitoring requirements to ensure that these locations can fully reflect the settlement conditions in the area.

[0084] Install a laser measurement target at each selected location, ensuring that the reflective surface of the target faces the laser ranging unit and that it is firmly installed and not easily affected by external interference.

[0085] Target initialization:

[0086] Initialize the settings for each target, including calibrating the reflective surface, configuring the sensor module, etc., to ensure that the target can accurately reflect the laser signal and monitor the environmental parameters in real time.

[0087] 2. Implementation of settlement monitoring methods

[0088] Laser ranging:

[0089] Use a laser rangefinder to emit laser signals to each target and record the reflected echo.

[0090] The distance data between the target and the ranging unit is obtained by calculation as the initial data for settlement monitoring.

[0091] Environmental parameter collection:

[0092] Environmental parameter data such as temperature, humidity and pressure are collected in real time through the sensor module built into the target.

[0093] These data together with the distance data are transmitted to the central data processing center for comprehensive analysis.

[0094] Settlement assessment:

[0095] A specific function is applied to calculate the comprehensive assessment value of the settlement, which takes into account multiple factors such as measurement distance, temperature, soil moisture, and changes in ambient pressure.

[0096] The accuracy of settlement assessment can be improved by fine-tuning the soil moisture influence function.

[0097] Time Series Analysis:

[0098] Time series analysis of the measurement data for each target was performed to identify sedimentation trends and abnormal changes.

[0099] According to the analysis results, the measurement frequency can be flexibly adjusted or monitoring points can be added to improve the accuracy and sensitivity of monitoring.

[0100] 3. Operation and management of settlement monitoring device

[0101] Central Data Processing Center:

[0102] Receive data from the laser ranging unit and the target's built-in sensor and perform comprehensive analysis.

[0103] Monitor settlement and provide accurate settlement assessment results.

[0104] When the sedimentation rate is detected to exceed the preset threshold, an alarm is automatically triggered to remind relevant personnel to take timely measures.

[0105] Report generation and distribution:

[0106] Based on the settlement assessment results, a monitoring report is automatically generated, including settlement curve graphs, settlement rate analysis, abnormal change prompt information, etc.

[0107] Distribute the report to relevant personnel to facilitate their understanding and decision-making.

[0108] Remote monitoring and management:

[0109] Through the wireless communication module, real-time data exchange between the central data processing center and the remote monitoring platform is realized.

[0110] The remote monitoring platform has data receiving, displaying and analyzing functions, and can remotely view the real-time and historical data of the device.

[0111] Based on the data and analysis results of the remote monitoring platform, remote management and adjustments are carried out to ensure the continuity and accuracy of settlement monitoring.

[0112] 4. Subsequent analysis and optimization

[0113] Data analysis and comparison:

[0114] The historical measurement data and environmental data stored in the data storage unit are used for subsequent analysis and comparison.

[0115] By analyzing the data changes in different time periods, we can further understand the settlement trends and influencing factors.

[0116] Optimize monitoring program:

[0117] Based on the analysis results and actual needs, optimize the monitoring plan including the layout of monitoring points and measurement frequency.

[0118] Continuously improve the accuracy and efficiency of subsidence monitoring and provide strong support for relevant decision-making.

[0119] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0120] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0121] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0122] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0123] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0124] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0125] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laser measurement target, characterized in that: include: The reflective surface is made of high reflectivity material and is used to efficiently reflect the laser measurement signal to ensure the accuracy and stability of the measurement signal; Built-in sensor modules, including temperature sensor, humidity sensor and pressure sensor, are used to monitor the temperature, humidity and pressure changes of the target's surrounding environment in real time to provide comprehensive environmental parameter data; The data processing unit is used to receive sensor data and calculate the impact of the environment on the measurement accuracy to correct the laser measurement value and improve the measurement accuracy.

2. A laser measurement target as claimed in claim 1, characterized in that: The data processing unit further comprises: Algorithm module, the module implements the following formula calculation to evaluate the settlement amount: Among them, S(t) is the comprehensive evaluation value of settlement within time t, L i (t) is the measured distance of the i-th target at time t, T(t) is the temperature at time t, W(t) is the soil moisture at time t, ΔP j (t) is the change in ambient pressure, P avg (t) is the average ambient pressure, H s (W(t)) is the soil moisture influence function.

3. A laser measurement target as claimed in claim 2, characterized in that: The specific formula of the soil moisture influence function is as follows: Among them, a and b are fitting parameters, which determine the shape and position of the function. The parameters are fitted using nonlinear least squares method and determine the shape and position of the function.

4. A sedimentation monitoring method, applied to the laser measurement target according to any one of claims 1 to 3, characterized in that: The method comprises the following steps: Step 1: Set up at least three laser measurement targets in the area to be monitored to ensure the accuracy and reliability of the measurement; Step 2: Use a laser rangefinder to emit laser signals to each target and record the reflected echo, and obtain the distance data by calculation; Step 3: Collect environmental data, including temperature, humidity and pressure, through the built-in sensors of the target to obtain comprehensive environmental parameter information; Step 4: Apply the function S(t) to calculate the comprehensive assessment value of the settlement to evaluate the settlement of the area to be monitored.

5. A settlement monitoring method as claimed in claim 4, characterized in that: It also includes time series analysis of the measurement data for each target, using statistical methods to identify sedimentation trends and abnormal changes, such as sudden increases in sedimentation rates and abnormal sedimentation patterns; According to the results of time series analysis, the measurement frequency was adjusted and monitoring points were added to improve the accuracy and sensitivity of monitoring.

6. A sedimentation monitoring device, characterized in that: The device comprises: A laser ranging unit, used for emitting a laser signal to a target and receiving a reflected signal to measure the distance between the target and the ranging unit; The central data processing center receives data from the laser ranging unit and the built-in sensors of the target, applies S(t) to perform data analysis to monitor the subsidence and provide accurate subsidence assessment results; The data storage unit is used to store historical measurement data and environmental data for subsequent analysis and comparison.

7. A sedimentation monitoring device as claimed in claim 6, characterized in that: The central data processing center includes: The early warning system automatically triggers an alarm when it detects that the settlement rate exceeds a preset threshold, reminding relevant personnel to take timely measures to deal with the settlement problem; The report generation module automatically generates a monitoring report based on the settlement assessment results, including settlement curves, settlement rate analysis, and abnormal change prompt information, to facilitate understanding and decision-making by relevant personnel.

8. A settlement monitoring device as claimed in claim 7, characterized in that: Also includes: Wireless communication module, used to realize real-time data exchange between the central data processing center and the remote monitoring platform to ensure the timeliness and accuracy of data; The remote monitoring platform has data receiving, displaying and analyzing functions, and can remotely view the real-time and historical data of the device to achieve remote monitoring and management.

Images