Device and method for monitoring settlement of earth rock cofferdam

Abstract

The invention discloses a device and method for monitoring settlement of an earth rock cofferdam, and relates to the technical field of concrete curing, the device comprises a monitoring sensor unit 1, the monitoring sensor unit 1 comprises a settlement sensor for measuring tiny settlement change, an inclination sensor for monitoring whether the cofferdam is inclined in the settlement process, and a data collector, the data collector is connected with the detection sensor unit, the data collector is used for collecting data measured by the settlement sensor and the inclination sensor, and the data collector is further provided with a wireless transmission module used for wirelessly transmitting the collected data to a remote monitoring center; according to the device and method for monitoring settlement of the earth rock cofferdam, monitoring data can be displayed and stored in real time, a report is generated through data analysis and a visual tool, and engineering management personnel can conduct risk assessment and construction progress management conveniently. The decision-making efficiency is improved, and comprehensive control over the safety of the cofferdam is enhanced.

Description

Technical Field

[0001] The invention relates to the technical field of concrete curing, and in particular to a device and method for monitoring the settlement of an earth-rock cofferdam. Background Art

[0002] In the construction of water conservancy projects, earth-rock cofferdams are widely used as temporary water retaining structures. However, during the use of cofferdams, settlement may occur due to various factors such as their own gravity, water scouring, and foundation settlement. Accurately monitoring the settlement of earth-rock cofferdams is of vital importance to ensure the safety of water conservancy project construction, evaluate the stability of cofferdams, and reasonably arrange the construction progress.

[0003] The main shortcomings of the existing technology are: 1. Limited monitoring accuracy: Although traditional level measurement methods can obtain certain settlement data, they are limited by factors such as manual operation errors and measurement environment, and their accuracy is difficult to meet the requirements for fine monitoring of earth-rock cofferdams. For example, under complex terrain or severe weather conditions, the error of manual level measurement may increase significantly, resulting in the inability to accurately grasp the true settlement of the cofferdam; 2. Poor real-time performance: Most existing monitoring methods cannot achieve real-time and continuous monitoring of the settlement of earth-rock cofferdams. Manual measurements are often carried out regularly, which makes it difficult to detect and take corresponding measures in time if sudden settlement occurs between two measurements, increasing engineering risks; 3. Low degree of automation: Most existing monitoring devices require manual on-site operation and data reading, and lack automated data collection, transmission and analysis functions. This not only consumes a lot of manpower, but also easily leads to data loss or inaccuracy due to human negligence and other reasons; 4. Lack of adaptability: Different earth-rock cofferdam projects have different scales, geological conditions, water flow conditions, etc., but the existing monitoring devices are often unable to flexibly adjust monitoring parameters and methods when facing different engineering environments, and it is difficult to adapt to diverse engineering needs. Summary of the invention

[0004] The purpose of the present invention is to provide a device and method for monitoring the settlement of an earth-rock cofferdam, so as to solve the problems existing in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solution: a device for monitoring the settlement of earth-rock cofferdam, comprising:

[0006] A monitoring sensor unit, the monitoring sensor unit comprising a settlement sensor for measuring small settlement changes and a tilt sensor for monitoring whether the cofferdam is tilted during the settlement process;

[0007] A data collector is connected to the detection sensor unit and is used to collect data measured by the settlement sensor and the tilt sensor. The data collector is also equipped with a wireless transmission module for wirelessly transmitting the collected data to a remote monitoring center.

[0008] Preferably, the data collector includes a processing unit, and the processing unit is used to pre-process the collected data, filter out valid data, and transmit the processed data to the remote monitoring center.

[0009] Preferably, the data collector further comprises a storage module for storing historical data of the settlement sensor and the tilt sensor.

[0010] Preferably, the wireless transmission module uses Wi-Fi, Bluetooth, ZigBee or LoRa wireless communication technology for data transmission.

[0011] A method for monitoring the settlement of an earth-rock cofferdam, using the device for monitoring the settlement of an earth-rock cofferdam, the method comprising:

[0012] S1. Install monitoring sensor units at key locations of earth-rock cofferdams;

[0013] S2, through the data acquisition device connected to the monitoring sensor unit 1, the settlement data and the tilt data measured by the settlement sensor and the tilt sensor are collected in real time, and the processed data are wirelessly transmitted to the remote monitoring center through the wireless transmission module;

[0014] S3. After receiving the collected data at the remote monitoring center, the monitoring system is used to analyze and process the data, and the settlement and inclination state of the earth-rock cofferdam is determined by analyzing the change trend of the settlement data and the inclination data, and the historical data obtained is stored, and comparison and trend prediction are performed;

[0015] S4. According to the data analysis results, when the settlement of the earth-rock cofferdam exceeds the preset threshold or the inclination angle reaches the warning standard, the system automatically triggers the alarm mechanism, sends an alarm to the operator or relevant person in charge, reminds of the potential risk, and executes corresponding emergency measures as needed;

[0016] S5. According to the long-term change trend of the settlement and tilt data of the earth-rock cofferdam, the monitoring sensor unit is calibrated and adjusted regularly to maintain the measurement accuracy and ensure the long-term stable operation of the system.

[0017] Preferably, the settlement sensor adopts optical fiber sensing technology or laser displacement sensing technology to improve measurement accuracy and anti-interference ability.

[0018] Preferably, the tilt sensor is an accelerometer or a gyroscope type sensor, which is used to monitor the tilt angle of the cofferdam with high precision and has a self-calibration function.

[0019] Preferably, the data collector further comprises a storage module for storing historical data of the settlement sensor and the tilt sensor, and providing a local data storage function when data transmission is interrupted.

[0020] Preferably, the wireless transmission module adopts LoRa wireless communication technology.

[0021] Preferably, the remote monitoring center adopts a monitoring platform based on cloud computing, which can display the settlement and tilt data of the earth-rock cofferdam in real time and provide visual analysis, report generation and historical data query functions.

[0022] It can be seen from the above technical solution that the present invention has the following beneficial effects:

[0023] The device and method for monitoring the settlement of earth-rock cofferdams can measure the settlement and inclination of earth-rock cofferdams in real time and accurately by adopting a monitoring scheme combining a settlement sensor and an inclination sensor. Especially under complex terrain or bad weather conditions, the reliability and accuracy of the monitoring data are improved, and the error problem of traditional measurement methods such as leveling instruments is solved. Through the combination of a data collector and a wireless transmission module, the settlement and inclination of earth-rock cofferdams can be monitored in real time, and the data can be transmitted to a remote monitoring center in a timely manner. This feature effectively solves the problems of long manual measurement cycles and delayed data updates in traditional monitoring methods, and can alarm and take emergency measures in the first time when settlement anomalies occur, significantly improving the response speed of the monitoring system. The device of the present invention has automatic data acquisition, processing, transmission and analysis functions. The data collector has a built-in processing unit and a storage module, which can automatically screen valid data and store historical records, reduce the dependence on manual operations, and avoid the risk of manual misoperation or data loss. The system can realize all-weather, unattended operation, reduce labor costs, and improve work efficiency. The monitoring device of the present invention can adjust parameters according to the scale, geological conditions and water flow conditions of different earth-rock cofferdam projects. By adopting customizable wireless transmission technology and adapting different types of sensors, it can adapt to various complex working conditions and environmental conditions, meet diverse engineering needs, and greatly improve the versatility and adaptability of the monitoring device. By combining the remote monitoring center with the cloud computing-based monitoring platform, it can display and store monitoring data in real time, and generate reports through data analysis and visualization tools, which is convenient for engineering managers to conduct risk assessment and construction progress management. This not only improves decision-making efficiency, but also enhances the overall control of cofferdam safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 The figure is a flow chart of the method of the present invention.

[0026] In the figure: 1. Monitoring sensor unit; 11. Settlement sensor; 12. Tilt sensor; 2. Data collector. DETAILED DESCRIPTION

[0027] 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.

[0028] like Figure 1 As shown, a device for monitoring the settlement of earth-rock cofferdams includes a monitoring sensor unit 1, which includes a settlement sensor 11 for measuring small settlement changes and a tilt sensor 12 for monitoring whether the cofferdam is tilted during the settlement process, and a data collector 2. The data collector 2 is connected to the detection sensor unit, and the data collector 2 is used to collect data measured by the settlement sensor 11 and the tilt sensor 12. The data collector 2 is also equipped with a wireless transmission module for wirelessly transmitting the collected data to a remote monitoring center. The working principle of this device is to install the settlement sensor 11 and the tilt sensor 12 at the key position of the earth-rock cofferdam to monitor the settlement amount and tilt angle of the cofferdam in real time. The settlement sensor 11 uses optical fiber sensing technology or laser displacement sensing technology to accurately measure the small settlement changes at the cofferdam position; the tilt sensor 12 uses an accelerometer or a gyroscope type sensor to monitor the tilt of the cofferdam in real time. The data collector 2 transmits the monitoring data to the remote monitoring center in real time through the wireless transmission module for engineering personnel to analyze and evaluate the safety status of the cofferdam. The settlement sensor 11 and the tilt sensor 12 can accurately monitor tiny changes and avoid potential safety hazards caused by the settlement or tilt of the cofferdam. The data collector 2 transmits data to the remote monitoring center in real time through the wireless transmission module, so that the monitoring personnel can grasp the dynamic changes of the earth-rock cofferdam at any time. It can automatically collect and upload data to reduce the burden of manual monitoring. At the same time, it has an early warning mechanism to ensure the safety of the cofferdam.

[0029] In different application environments, the data collector 2 can select wireless communication technologies such as Wi-Fi, Bluetooth, ZigBee or LoRa according to actual conditions to ensure the stability and distance coverage of data transmission. According to the actual scale and monitoring requirements of the earth-rock cofferdam, the number, type and accuracy of the settlement sensor 11 and the tilt sensor 12 can be adjusted to ensure the applicability to cofferdams of different scales.

[0030] The data collector 2 includes a processing unit, which is used to pre-process the collected data, filter out valid data, and transmit the processed data to the remote monitoring center. The processing unit in the data collector 2 is responsible for preliminary processing of the collected data measured by the settlement sensor 11 and the tilt sensor 12. This processing step includes data cleaning, noise removal, filtering outliers, etc., to ensure that the final transmitted data is accurate and effective. The processed data is transmitted to the remote monitoring center for further analysis and early warning judgment. Through pre-processing, invalid data and outliers are excluded, making the data transmitted to the remote monitoring center more accurate, which helps to improve the reliability of the monitoring system. The pre-processing step can effectively filter and correct abnormal data, and avoid false alarms and missed reports caused by transmitting invalid or erroneous data. Pre-processing can accelerate the transmission and response of data, reduce delays, and improve monitoring efficiency.

[0031] The processing unit can select different computing platforms or processing algorithms as needed, such as using embedded processors or more complex edge computing devices to improve the data processing capabilities and accuracy. According to different monitoring requirements, the processing unit can integrate more advanced algorithms, such as adaptive filtering, machine learning algorithms, etc., to further improve the accuracy of data and the intelligence level of the system.

[0032] The data collector 2 also includes a storage module for storing historical data of the settlement sensor 11 and the tilt sensor 12. The storage module in the data collector 2 is responsible for saving the historical data collected by the settlement sensor 11 and the tilt sensor 12. When the wireless transmission fails, the storage module can retain the data that has not been uploaded in time. The stored data can be used for subsequent query, analysis and comparison to help monitoring personnel make long-term trend forecasts and early warnings. Even if the wireless network connection is interrupted, the historical data will not be lost, ensuring the integrity of the monitoring data. The historical data retained in the storage module can be used for analysis to help engineers compare data and predict trends, which is helpful to evaluate the long-term settlement and tilt changes of the cofferdam. In an environment without a stable network, the storage module provides a reliable way to save data, making the system less dependent on the network environment.

[0033] The wireless transmission module uses wireless communication technologies such as Wi-Fi, Bluetooth, ZigBee or LoRa for data transmission. The wireless transmission module wirelessly transmits the settlement and tilt data obtained by the data collector 2 to the remote monitoring center through communication technologies such as Wi-Fi, Bluetooth, ZigBee or LoRa. The choice of communication technology depends on the specific application scenario, such as distance requirements, network stability and power consumption requirements. Different wireless transmission technologies provide different transmission distances and power consumption characteristics, and can be selected according to the needs of different monitoring environments. Choosing the right wireless technology can effectively control the transmission cost, especially when monitoring over a large area. By choosing the right communication technology, the stability of data transmission is ensured and data loss due to signal interference is avoided.

[0034] The wireless transmission module can support multiple protocols at the same time, so that the system can automatically switch to the best transmission mode according to environmental changes. For long-distance monitoring scenarios, the enhanced version of LoRa communication technology can be used to ensure that data can still be transmitted stably at longer distances.

[0035] like Figure 2 As shown, a method for monitoring the settlement of an earth-rock cofferdam is also provided. The device for monitoring the settlement of an earth-rock cofferdam is used, and the method comprises:

[0036] S1, installing monitoring sensor unit 1 at key positions of earth-rock cofferdam;

[0037] S2, through the data collector 2 connected to the monitoring sensor unit 1, the settlement data and tilt data measured by the settlement sensor 11 and the tilt sensor 12 are collected in real time, and the processed data are wirelessly transmitted to the remote monitoring center through the wireless transmission module;

[0038] S3. After receiving the collected data at the remote monitoring center, the monitoring system is used to analyze and process the data, and the settlement and inclination state of the earth-rock cofferdam is determined by analyzing the change trend of the settlement data and the inclination data, and the historical data obtained is stored, and comparison and trend prediction are performed;

[0039] S4. According to the data analysis results, when the settlement of the earth-rock cofferdam exceeds the preset threshold or the inclination angle reaches the warning standard, the system automatically triggers the alarm mechanism, sends an alarm to the operator or relevant person in charge, reminds of the potential risk, and executes corresponding emergency measures as needed;

[0040] S5. According to the long-term change trend of the settlement and tilt data of the earth-rock cofferdam, the monitoring sensor unit 1 is calibrated and adjusted regularly to maintain the measurement accuracy and ensure the long-term stable operation of the system.

[0041] The method monitors the settlement and tilt of the cofferdam in real time by monitoring the sensor unit 1, and the data collector 2 is responsible for collecting and preprocessing the sensor data. After data processing, the data is sent to the remote monitoring center through the wireless transmission module. The monitoring system analyzes the data to determine whether there is excessive settlement or tilt, and triggers the alarm mechanism according to the preset threshold. The system can also calibrate and maintain the sensor regularly according to the long-term data change trend to ensure the long-term stable operation of the system. The method can realize real-time monitoring and automatic alarm, effectively avoiding the potential threat of settlement or tilt of the cofferdam to the safety of the project. Through the automatic alarm and early warning mechanism, the system can remind relevant personnel in time before the problem occurs, effectively improving the efficiency of emergency handling. The long-term accumulation of settlement and tilt data helps to judge the health status of the sensor, and guide the maintenance and calibration of the equipment through data to ensure the long-term accurate operation of the equipment.

[0042] The settlement sensor 11 adopts optical fiber sensing technology or laser displacement sensing technology to improve measurement accuracy and anti-interference ability. The settlement sensor 11 adopts optical fiber sensing technology or laser displacement sensing technology and is deployed at key positions of the earth-rock cofferdam. These sensors monitor the settlement changes of the cofferdam in real time by utilizing the principle of optical fiber reflection or laser reflection. Optical fiber sensing technology can accurately sense tiny settlement displacements by monitoring changes in optical signals; while laser displacement sensing technology calculates displacement changes by emitting laser beams and measuring their return time, and has high accuracy and anti-interference ability. Both optical fiber sensing and laser displacement sensing technologies have extremely high measurement accuracy and can detect tiny settlement changes to ensure the accuracy of monitoring data. These two technologies are not affected by electromagnetic interference and are suitable for use in harsh environments, such as places with high temperature, high humidity or large electromagnetic noise. Optical fiber sensing and laser displacement sensing technologies can perform accurate measurements over a long distance and are suitable for large-scale earth-rock cofferdam monitoring.

[0043] The tilt sensor 12 is an accelerometer or gyroscope type sensor, which is used to monitor the tilt angle of the cofferdam with high precision and has a self-calibration function. The tilt sensor 12 realizes high-precision monitoring of the tilt angle of the cofferdam through an accelerometer or gyroscope type sensor. The accelerometer sensor determines the tilt angle of the cofferdam by measuring the change of gravity acceleration; the gyroscope type sensor monitors the tilt angle in real time by measuring the change of angular velocity. These sensors have a self-calibration function, and their measurement errors can be adjusted regularly or in real time to ensure the accuracy of long-term use. Accelerometers and gyroscope sensors can accurately measure the tilt angle of the cofferdam with high sensitivity and accuracy. The sensor has a self-calibration capability, which can automatically eliminate errors caused by environmental changes, long-term use, etc., to ensure the long-term stability of the data. Accelerometers and gyroscope type sensors adapt to different working environments and can work continuously and stably under a variety of climatic and geological conditions.

[0044] The data collector 2 also includes a storage module for storing historical data of the settlement sensor 11 and the tilt sensor 12, and providing a local data storage function when data transmission is interrupted. The storage module in the data collector 2 will store the historical data collected by the settlement sensor 11 and the tilt sensor 12 regularly or in real time. The historical data includes the settlement and tilt values ​​at each time point. These data can be used for trend analysis, comparison and long-term prediction to ensure that the monitoring data of the cofferdam will not be lost, and can be stored locally when there is a problem with the wireless transmission. Through the storage module, the data will not be lost, and historical data backtracking can be provided, which is convenient for long-term monitoring and analysis of the settlement and tilt of the cofferdam. The local backup provided by the storage module can ensure that no key information will be lost when the transmission is interrupted or the wireless signal is lost. The storage of historical data provides a basis for trend analysis and prediction, helping engineering personnel to adjust the monitoring strategy in a timely manner.

[0045] The data collector 2 transmits the collected data to the remote monitoring center wirelessly through the wireless transmission module. The data in the data collector 2 is transmitted to the remote monitoring center in real time through the wireless transmission module. The wireless transmission module uses wireless communication technologies such as Wi-Fi, Bluetooth, ZigBee or LoRa to upload data in real time while ensuring the reliability of data transmission. After the data transmission is completed, the monitoring center conducts data analysis and evaluation, and provides real-time monitoring results and risk warnings. Wireless data transmission ensures that the data can be delivered to the remote monitoring center in real time, ensuring that the monitoring personnel can quickly respond to possible safety issues in the cofferdam. By adopting a variety of wireless transmission technologies, the most suitable solution can be selected according to the monitoring environment to ensure stable data transmission and a large coverage range. Operators can easily manage and view real-time data through the remote monitoring system, conduct analysis, warning and decision-making.

[0046] The remote monitoring center adopts a cloud computing-based monitoring platform, which can display the settlement and tilt data of the earth-rock cofferdam in real time, and provide visual analysis, report generation and historical data query functions. The remote monitoring center realizes real-time data collection, processing and display through the cloud computing-based monitoring platform. The settlement and tilt data of the earth-rock cofferdam are transmitted to the cloud computing platform through a wireless transmission module. The platform can display various data of the earth-rock cofferdam in real time, and display the changing trend of the data through data visualization technologies such as charts, trend lines, and heat maps. The platform not only provides real-time data display, but also has a report generation function, which can generate regular reports based on historical data for reference by engineering managers. At the same time, users can query historical data through the platform, conduct trend analysis and prediction, and take necessary safety measures in time. The cloud computing platform can receive sensor data in real time and display the settlement and tilt status of the earth-rock cofferdam in a visual form, which is convenient for operators and managers to quickly identify abnormal situations. Through the cloud computing-based monitoring platform, users can remotely access and query data from any location without on-site operation, which improves monitoring efficiency and convenience. The platform provides powerful data analysis functions, helping managers make scientific decisions and identify potential risks in a timely manner through visual analysis, trend forecasting and report generation. The cloud platform provides storage and query functions for historical data, which helps to retrospectively analyze the long-term settlement and tilt change trends of the cofferdam and support long-term monitoring and optimization management.

[0047] Although 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 appended claims and their equivalents.

Claims

1. A device for monitoring the settlement of earth-rock cofferdams, characterized in that: include: A monitoring sensor unit (1), the monitoring sensor unit (1) comprising a settlement sensor (11) for measuring minute settlement changes and a tilt sensor (12) for monitoring whether the cofferdam is tilted during the settlement process; A data collector (2) is connected to the detection sensor unit (1), and is used to collect data measured by the settlement sensor (11) and the tilt sensor (12). The data collector (2) is also equipped with a wireless transmission module for wirelessly transmitting the collected data to a remote monitoring center.

2. The device for monitoring the settlement of earth-rock cofferdam according to claim 1, characterized in that: The data collector (2) comprises a processing unit, which is used to pre-process the collected data, filter out valid data, and transmit the processed data to a remote monitoring center.

3. The device for monitoring the settlement of earth-rock cofferdam according to claim 1, characterized in that: The data collector (2) also includes a storage module for storing historical data of the settlement sensor (11) and the tilt sensor (12).

4. The device for monitoring the settlement of earth-rock cofferdam according to claim 1, characterized in that: The wireless transmission module uses Wi-Fi, Bluetooth, ZigBee or LoRa wireless communication technology for data transmission.

5. A method for monitoring the settlement of an earth-rock cofferdam, using the device for monitoring the settlement of an earth-rock cofferdam according to any one of claims 1 to 4, characterized in that: The method comprises: S1. Install monitoring sensor units (1) at key locations of the earth-rock cofferdam; S2, collecting settlement data and tilt data measured by the settlement sensor (11) and the tilt sensor (12) in real time through a data collector (2) connected to the monitoring sensor unit (1), and transmitting the processed data wirelessly to a remote monitoring center through a wireless transmission module; S3. After receiving the collected data at the remote monitoring center, the monitoring system is used to analyze and process the data, and the settlement and inclination state of the earth-rock cofferdam is determined by analyzing the change trend of the settlement data and the inclination data, and the historical data obtained is stored, and comparison and trend prediction are performed; S4. According to the data analysis results, when the settlement of the earth-rock cofferdam exceeds the preset threshold or the inclination angle reaches the warning standard, the system automatically triggers the alarm mechanism, sends an alarm to the operator or relevant person in charge, reminds of the potential risk, and executes corresponding emergency measures as needed; S5. According to the long-term change trend of the settlement and tilt data of the earth-rock cofferdam, the monitoring sensor unit 1 (1) is calibrated and adjusted regularly to maintain the measurement accuracy and ensure the long-term stable operation of the system.

6. A method for monitoring the settlement of earth-rock cofferdam according to claim 5, characterized in that: The sedimentation sensor (11) adopts optical fiber sensing technology or laser displacement sensing technology to improve measurement accuracy and anti-interference ability.

7. A method for monitoring the settlement of earth-rock cofferdam according to claim 5, characterized in that: The tilt sensor (12) is an accelerometer or gyroscope type sensor, which is used to monitor the tilt angle of the cofferdam with high precision and has a self-calibration function.

8. The method for monitoring the settlement of earth-rock cofferdam according to claim 5, characterized in that: The data collector (2) also includes a storage module, which is used to store historical data of the settlement sensor (11) and the tilt sensor (12), and provides a local data storage function when data transmission is interrupted.

9. The method for monitoring the settlement of earth-rock cofferdam according to claim 5, characterized in that: The wireless transmission module adopts LoRa wireless communication technology.

10. The method for monitoring the settlement of earth-rock cofferdam according to claim 5, characterized in that: The remote monitoring center adopts a monitoring platform based on cloud computing, which can display the settlement and tilt data of the earth-rock cofferdam in real time and provide visual analysis, report generation and historical data query functions.

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