CN113267216A - Monitoring system and monitoring method - Google Patents
Monitoring system and monitoring method Download PDFInfo
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- CN113267216A CN113267216A CN202110558525.7A CN202110558525A CN113267216A CN 113267216 A CN113267216 A CN 113267216A CN 202110558525 A CN202110558525 A CN 202110558525A CN 113267216 A CN113267216 A CN 113267216A
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The technical scheme of the application provides a monitoring system and a monitoring method. A monitoring system, comprising: the data acquisition system is used for acquiring monitoring data of a monitored object in real time, the monitored object at least comprises a bridge, and the data acquisition system comprises a plurality of data acquisition units which are arranged on the monitored object or are arranged adjacent to the monitored object; the data acquisition unit is used for acquiring monitoring data of a monitored object; the data transmission system is used for transmitting the monitoring data acquired by the data acquisition system to the cloud service center; and the cloud service center is used for storing a plurality of monitoring data acquired by the data acquisition system and evaluating the structural health condition of the monitored object on line based on the plurality of monitoring data. The whole process is carried out on line in real time, manual inspection is not needed, the health condition of the monitored object is integrally evaluated through multiple data acquisition, a more comprehensive and more accurate health evaluation result can be obtained, the information acquisition efficiency is improved, and meanwhile the real-time monitoring on the health condition of the monitored object is guaranteed.
Description
Technical Field
The embodiment of the invention relates to the field of data monitoring, in particular to a monitoring system and a monitoring method.
Background
At present, the management and maintenance of bridges mainly depend on regular verification and manual inspection, the bridges and the like are monitored in such a mode, time and labor are consumed, and the technology is lagged behind. Particularly, with the increasing of urban bridge structures in recent years, the maintenance workload is increased continuously, the requirement on the maintenance is higher and higher, and the traditional technical means is difficult to effectively and timely manage all bridges, so that the health state of the urban bridges cannot be effectively judged.
Disclosure of Invention
The embodiment of the invention provides a monitoring system and a monitoring method.
A first aspect of embodiments of the present disclosure provides a monitoring system, including: the data acquisition system is used for acquiring monitoring data of a monitored object in real time, wherein the monitored object at least comprises a bridge, and the data acquisition system comprises a plurality of data acquisition units which are arranged on the monitored object or are arranged adjacent to the monitored object; the data acquisition unit is used for acquiring monitoring data of the monitored object;
the data transmission system is connected with the data acquisition system and is used for transmitting the monitoring data acquired by the data acquisition system to the cloud service center;
and the cloud service center is connected with the data transmission system and used for storing a plurality of monitoring data acquired by the data acquisition system and evaluating the structural health condition of the monitored object on line based on the plurality of monitoring data.
In one embodiment, the cloud service center comprises at least one cloud server;
the cloud server comprises a data processor and a memory;
the data processor is used for carrying out online processing on the collected multiple items of monitoring data to obtain processed monitoring data;
the memory is used for storing the collected multiple items of monitoring data in a first storage area and storing the processed monitoring data in a second storage area, and the first storage area and the second storage area are two different storage areas in the memory.
In one embodiment, the third storage area of the memory stores threshold values corresponding to a plurality of monitoring indexes respectively;
the data processor is specifically configured to compare the multiple items of monitoring data with the threshold values corresponding to the multiple items of monitoring indexes one by one, so as to obtain multiple comparison results.
In one embodiment, the processed monitoring data comprises the plurality of comparison results;
an early warning terminal is arranged in the cloud service center; and the early warning terminal is used for evaluating the structural health condition of the monitored object on line according to the comparison results and early warning the potential risk of the monitored object according to the comparison results.
In one embodiment, the early warning terminal is specifically configured to perform early warning on a potential risk existing in the monitored object when a preset condition is acted on the monitored object, where: the preset condition at least comprises one of the following conditions:
the traffic flow on the monitoring object reaches a first threshold;
the wind speed of the environment where the monitoring object is located reaches a second threshold value;
the humidity of the environment where the monitoring object is located reaches a third threshold value;
the weight of the vehicle carried by the monitoring object reaches a fourth threshold.
In one embodiment, the cloud service center is also provided with a policy terminal; and the strategy terminal is used for determining a maintenance scheme for the monitored object according to the comparison result and monitoring the maintenance process for the monitored object in real time.
In one embodiment, a GIS geographic information system is further provided in the cloud service center for determining geographic location information of the monitoring object.
In one embodiment, a BIM building information model construction system is further provided in the cloud service center for constructing a 3D model of the monitoring object.
In one embodiment, the cloud service center further comprises a display terminal; and a human-computer interaction interface is displayed on a display screen of the display terminal and is used for checking the evaluation result of the structural health condition of the monitored object through the human-computer interaction interface.
A second aspect of the embodiments of the present disclosure provides a monitoring method, including:
sending an acquisition instruction to a data acquisition system;
receiving monitoring data of the monitoring object, which is acquired by the data acquisition system according to the acquisition instruction;
storing the monitoring data;
and evaluating the structural health condition of the monitored object on line based on the monitoring data.
In one embodiment, the number of the acquisition instructions is multiple, and one acquisition instruction corresponds to one monitoring data;
the online assessment of the structural health of the monitored subject based on the monitoring data comprises:
and evaluating the structural health condition of the monitored object on line based on a plurality of items of the monitoring data.
In one embodiment, the online assessment of the structural health of the monitored subject based on a plurality of the monitoring data comprises:
comparing the plurality of items of monitoring data with threshold values respectively corresponding to a plurality of monitoring indexes one by one to obtain a plurality of comparison results;
and evaluating the structural health condition of the monitored object on line according to the comparison results.
In one embodiment, the method further comprises:
and when preset conditions act on the monitoring object according to the comparison results, carrying out early warning on potential risks of the monitoring object.
In one embodiment, the preset condition includes at least one of the following conditions:
the traffic flow on the monitoring object reaches a first threshold;
the wind speed of the environment where the monitoring object is located reaches a second threshold value;
the humidity of the environment where the monitoring object is located reaches a third threshold value;
the weight of the vehicle carried by the monitoring object reaches a fourth threshold.
In one embodiment, the method further comprises:
determining a maintenance scheme for the monitored object according to the comparison result, an
And monitoring the maintenance process of the monitored object in real time.
The monitoring system comprises a data acquisition system and a monitoring system, wherein the data acquisition system is used for acquiring monitoring data of a monitored object in real time, the monitored object at least comprises a bridge, and the data acquisition system comprises a plurality of data acquisition units which are arranged on the monitored object or are arranged adjacent to the monitored object; the data acquisition unit is used for acquiring monitoring data of a monitored object; the data transmission system is connected with the data acquisition system and is used for transmitting the monitoring data acquired by the data acquisition system to the cloud service center; and the cloud service center is connected with the data transmission system and used for storing a plurality of monitoring data acquired by the data acquisition system and evaluating the structural health condition of the monitored object on line based on the plurality of monitoring data. In the application, a data acquisition system is adopted to acquire monitoring data of a plurality of monitoring objects in real time, and a cloud service center evaluates the structural health condition of the monitoring objects on line based on the plurality of monitoring data. The whole process is carried out on line in real time, manual inspection is not needed, the health condition of the monitored object is integrally evaluated through a plurality of data acquisition, a more comprehensive and more accurate health evaluation result can be obtained, the labor cost is saved, the acquisition efficiency of related information of the monitored object is improved, and the real-time monitoring on the health condition of the monitored object is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a data acquisition system according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a monitoring system according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an early warning evaluation system according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a GIS system according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a BIM system provided in the embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of a user interface system provided by an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of an integrated management system according to an embodiment of the present disclosure;
FIG. 9 is a schematic diagram of a database according to an embodiment of the present disclosure;
fig. 10 is a schematic structural diagram of a monitoring system according to an embodiment of the present disclosure;
fig. 11 is a schematic flow chart of a monitoring method according to an embodiment of the present disclosure.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the drawings and the specific embodiments of the specification.
At present, the management and maintenance of bridges mainly depend on regular verification and manual inspection, the bridges and the like are monitored in such a mode, time and labor are consumed, and the technology is lagged behind. Particularly, with the increasing of urban bridge structures in recent years, the maintenance workload is increased continuously, the requirement on the maintenance is higher and higher, and the traditional technical means is difficult to effectively and timely manage all bridges, so that the health state of the urban bridges cannot be effectively judged.
Fig. 1 is a schematic structural diagram of a monitoring system according to an embodiment of the present disclosure. As shown in fig. 1, the monitoring system includes:
the data acquisition system 1 is used for acquiring monitoring data of a monitored object in real time, wherein the monitored object at least comprises a bridge, and the data acquisition system comprises a plurality of data acquisition units which are arranged on the monitored object or are arranged adjacent to the monitored object; the data acquisition unit is used for acquiring monitoring data of the monitored object;
the data transmission system 2 is connected with the data acquisition system and is used for transmitting the monitoring data acquired by the data acquisition system to a cloud service center;
and the cloud service center 3 is connected with the data transmission system and is used for storing a plurality of monitoring data acquired by the data acquisition system and evaluating the structural health condition of the monitored object on line based on the plurality of monitoring data.
Fig. 2 is a schematic structural diagram of a data acquisition system according to an embodiment of the present disclosure. As shown in fig. 2, the data collector may be various sensors for collecting monitoring data, including an environmental data collector for collecting environmental parameters of a monitored object; the environmental parameters include at least: monitoring at least one of wind speed, temperature and humidity of the environment where the object is located;
the structure data acquisition unit is used for acquiring the structure parameters of the monitored object; the structural parameters of the monitored object at least comprise: monitoring at least one of structural strain of the object, deflection of the object, vibration frequency of the object, and vibration amplitude of the object.
In the present exemplary embodiment, the environment data collector may include: wind speed sensor, anemoscope, temperature sensor, humidity transducer. The wind speed sensor can monitor the wind speed of the environment where the monitoring object is located, the anemoscope can monitor the wind direction of the environment where the monitoring object is located, the temperature sensor can monitor the temperature of the environment where the monitoring object is located, and the humidity sensor can monitor the humidity of the environment where the monitoring object is located.
In the present exemplary embodiment, the structural data collector may include a vibration sensor, a dynamometer, a deflectometer, a strain gauge, a displacement sensor, a structural thermometer. The vibration sensor, the cable force meter, the deflection detector, the stress meter, the displacement sensor and the structural thermometer can be positioned on the monitoring object and connected with the monitoring object. The structure thermometer can be pre-buried inside the monitoring object for the structure temperature field to the monitoring object monitors. The vibration sensor can be located on the monitored object, is fixedly connected with the monitored object, and is used for monitoring whether the monitored object receives external force to cause vibration, for example, vibration information borne by the monitored object can be monitored under the action of earthquake and wind power or after the monitored object is impacted. The cable force meter can be connected with a cable and the like on a monitoring object and is used for monitoring the cable force of the cable. The deflection detector can be fixed on the monitored object and used for detecting the deflection of the monitored object. The stress meter can be positioned on the monitoring object and used for monitoring the structural stress of the monitoring object. The displacement sensor can be connected with the monitoring object, is fixed on the monitoring object and is used for acquiring displacement information of the monitoring object. The data acquisition unit can acquire the monitoring data of each monitored object in real time, and is favorable for providing data basis for subsequent maintenance of the monitored objects.
In the present exemplary embodiment, the data acquisition system further includes:
the video monitoring equipment is used for monitoring the safety condition of vehicles passing through the monitored object; the vehicle comprises at least one of a vehicle, a train, and a watercraft;
and the vehicle data acquisition unit is used for acquiring the traffic flow on the monitoring object, the speed of the vehicle passing through the monitoring object and the weight of the vehicle borne by the monitoring object at a preset moment.
In this exemplary embodiment, the video monitoring device may be disposed adjacent to the monitoring object, for example, around the monitoring object, and may collect a position of the video information of the monitoring object, where the specific position may be set according to actual requirements. For example, the monitoring objects can be located on two sides of the monitoring objects, or on the top of the monitoring objects, and the driving condition on the monitoring objects, the bridge deck condition, the condition of a navigation channel under the monitoring objects, and the like can be collected through video monitoring equipment.
The video monitoring device may collect a navigation state of the ship in the channel corresponding to the position of the monitored object, for example, the collected video information may be used for subsequently determining whether the ship collides with the monitored object, and the like.
The information of the monitoring object collected by the data collector can reflect the state of the monitoring object, including the self state of the monitoring object, the environmental state of the monitoring object and the like. The data collected by each data collector is one monitoring data. For example, the wind speed collected by the wind speed sensor is a monitoring data, the temperature collected by the temperature sensor is a monitoring data, and the humidity collected by the humidity sensor is a monitoring data. Different items of collected data correspond to different data collectors.
In the present exemplary embodiment, the vehicle data collector may include a speedometer, a pressure sensor. The velocimeter can be arranged at any position of a bridge head or a bridge tail and the like, which can detect vehicles passing on the bridge floor, and is used for measuring the speed of the vehicles. The pressure sensor may be mounted on the monitoring object for detecting a pressure developed by the vehicle to the monitoring object. I.e. the weight of the vehicle on the deck is detected. The traffic flow on the bridge floor can be calculated by shooting the number of vehicles passing through the monitoring object in a certain time period through video monitoring equipment. The data acquisition unit can monitor the running condition of the vehicle on each monitored object in real time.
In this exemplary embodiment, the data acquisition system further includes a data acquisition transmission module, connected to the data transmission system, for performing acquisition signal conditioning, data acquisition, and data transmission.
In the present exemplary embodiment, the data transmission system includes:
the system comprises a first type subsystem, a second type subsystem and a third type subsystem, wherein the first type subsystem can be a point-to-point transmission system, and the point-to-point transmission system is a real-time transmission subsystem and is used for sending monitoring data with first delay tolerance to a cloud service center;
the second type subsystem, with said first type subsystem sets up side by side, include: a cache device and a forwarding device; the cache device is used for receiving and caching the data of which the delay tolerance of the monitoring data is the second delay. The forwarding device is connected with the cache device and is used for reporting the data cached by the cache device to the cloud service center when the cached data amount reaches a data amount threshold or reaches a reporting time corresponding to a reporting period.
The second delay is greater than the first delay.
Illustratively, the monitoring data with the delay tolerance of the first delay may at least comprise: and monitoring data acquired by the environmental data acquisition unit. At this time, the second type subsystem transmits monitoring data acquired by the structural data acquisition unit.
Illustratively, the monitoring data with the delay tolerance of the second delay may include at least: the first type subsystem transmits the monitoring data acquired by the vehicle data acquisition unit at the moment;
in some embodiments, the point-to-point transmission is: the data acquisition unit establishes point-to-point transmission with the cloud service center through the first type subsystem, and transmits data with delay as little as possible.
The data transmission system may include: at least one tunnel server. An information tunnel can be established between the cloud service center and a tunnel server of the data transmission system by sending VPN request configuration. And transmitting the acquired monitoring data to a cloud service center through an information tunnel data transmission system. Wherein the information tunnel comprises a first tunnel and a second tunnel. The first tunnel is a Voluntary tunnel (i.e., a tunnel configured by a client computer of the cloud service center voluntarily sending a VPN request.
The first tunnel may be a transport tunnel of a second subsystem; and the second tunnel may be a transport tunnel of the first subsystem. The second tunnel is a forced tunnel, namely, the second tunnel is forcibly configured and created by a dialing access server supporting the VPN. These computers or network devices capable of providing tunnels to client computers include Front End Processors (FEPs) supporting the PPTP protocol, L2TP access concentrators (LACs) supporting the L2TP protocol, or secure IP gateways supporting IPSec.
Taking FEP as an example, a business may enter into an agreement with an Internet service provider ISP, which sets a set of FEPs nationwide for the business. These FEPs may create a tunnel through the Internet to a tunnel server, which is connected to the enterprise's private network. Thus, different places can be combined into a single Internet connection at the enterprise network end.
When the forced tunnel is used, a single PPP (Point to Point Protocol) connection can be established between the client computer of the cloud service center and the tunnel server, and when an NAS (Network Attached Storage) is dialed, a tunnel is created, and all data streams are automatically routed through the tunnel.
In this exemplary embodiment, the FEP may be configured to create tunnels to a specified tunnel server for all dial-up clients, and may also be configured to create different tunnels based on different user names or destinations. Wherein the tunnel established between the FEP and the tunnel server can be shared by a plurality of dial-up clients without having to establish a new tunnel for each client. Therefore, the data information of a plurality of clients can be transmitted through one tunnel, which is beneficial to carrying out mass data transmission through limited network resources and improving the data transmission efficiency.
In the present exemplary embodiment, the data transmission system includes a data transmission network. The data transmission network at least comprises at least one of a 3G communication network, a 4G communication network and a 5G communication network.
In the exemplary embodiment, the cloud service center is a data processing center for monitoring data, has the characteristics of self-induction, self-adaptation, self-learning and self-decision, and can process the monitoring data on line in real time and evaluate the structural health state of a monitored object. In the exemplary embodiment, the data acquisition system is configured to acquire monitoring data of a monitored object in real time, the monitored object includes at least a bridge, and the data acquisition system includes a plurality of data collectors disposed on or adjacent to the monitored object; the data acquisition unit is used for acquiring monitoring data of a monitored object; the data transmission system is connected with the data acquisition system and is used for transmitting the monitoring data acquired by the data acquisition system to the cloud service center; and the cloud service center is connected with the data transmission system and used for storing a plurality of monitoring data acquired by the data acquisition system and evaluating the structural health condition of the monitored object on line based on the plurality of monitoring data. In the application, a data acquisition system is adopted to acquire monitoring data of a plurality of monitoring objects in real time, and a cloud service center evaluates the structural health condition of the monitoring objects on line based on the plurality of monitoring data. The whole process is carried out on line in real time, manual inspection is not needed, the health condition of the monitored object is integrally evaluated through a plurality of data acquisition, a more comprehensive and more accurate health evaluation result can be obtained, the labor cost is saved, the acquisition efficiency of related information of the monitored object is improved, and the real-time monitoring on the health condition of the monitored object is ensured.
In one embodiment, the cloud service center comprises at least one cloud server;
the cloud server comprises a data processor and a memory;
the data processor is used for carrying out online processing on the collected multiple items of monitoring data to obtain processed monitoring data;
the memory is used for storing the collected multiple items of monitoring data in a first storage area and storing the processed monitoring data in a second storage area, and the first storage area and the second storage area are two different storage areas in the memory.
In the exemplary embodiment, the cloud service center may have a plurality of cloud servers, and a communication connection may be established between the cloud servers. The cloud server may include a data processor and a memory. The data processor carries out on-line processing on the collected multiple items of monitoring data to obtain processed monitoring data. The memory stores the processed monitoring data and the original collected data in a partition mode, so that the processed monitoring data can be conveniently and directly read from the corresponding storage area subsequently, and the structural health state is evaluated according to the processed monitoring data.
In one embodiment, the third storage area of the memory stores threshold values corresponding to a plurality of monitoring indexes respectively;
the data processor is specifically configured to compare the multiple items of monitoring data with the threshold values corresponding to the multiple items of monitoring indexes one by one, so as to obtain multiple comparison results.
In the present exemplary embodiment, the monitoring index may be each item of data index corresponding to each item of monitoring data in the above-described embodiments. For example, the monitoring index may include a wind speed of an environment in which the monitoring object is located, a wind direction of the environment in which the monitoring object is located, a temperature of the environment in which the monitoring object is located, a humidity of the environment in which the monitoring object is located, a structural stress of the monitoring object, a vibration frequency of the monitoring object, and the like.
The comparison result comprises that the monitoring data exceed the threshold values respectively corresponding to the monitoring indexes, or the monitoring data do not exceed the threshold values respectively corresponding to the monitoring indexes. When the monitoring data exceeds the threshold values corresponding to the monitoring indexes, the environment where the monitoring object is located may have a bad influence on the structure of the monitoring object, the structural health state of the monitoring object may be affected, or the structure of the monitoring object may be abnormal.
For example, if the monitored humidity is greater than the corresponding threshold, the structural strength of the monitored object may be weakened by the environment with excessive humidity.
For example, if the vibration frequency of the monitoring object is too high and exceeds the corresponding threshold, the structural connection of the monitoring object may be loosened.
In one embodiment, the processed monitoring data comprises the plurality of comparison results;
an early warning terminal is arranged in the cloud service center; and the early warning terminal is used for evaluating the structural health condition of the monitored object on line according to the comparison results and early warning the potential risk of the monitored object according to the comparison results.
In the present exemplary embodiment, the comparison result may include comparison results corresponding to a plurality of monitoring indexes. For example, the comparison result of vibration amplitude under the action of a certain wind power strength, the comparison result of vibration frequency under the action of a certain wind power strength, the comparison result of structural stress, the comparison result of bridge deflection and the like.
When the structural health condition of the monitored object is evaluated on line according to the comparison results, the health state of the monitored object can be graded, including health, primary damage, secondary damage, tertiary damage and the like. The first-level damage, the second-level damage and the third-level damage respectively represent different structural damage degrees of the monitored object. The degree of structural damage represented by the tertiary damage is greater than the degree of structural damage represented by the secondary damage, which is greater than the degree of structural damage represented by the primary damage. The more severe the damage, the more intensive the maintenance required on the monitored object.
The bridge damage level can be determined according to the number of indexes of which the monitoring data exceed the threshold value and the degree of exceeding the threshold value in the comparison result of each monitoring index.
For example, in the comparison result of each index, only the monitoring data of one index exceeds the threshold value, and the index can be determined as first-level damage; if the monitored data of two indexes exceeds the threshold value, secondary damage can be determined.
In the exemplary embodiment, when the monitoring object is a bridge, the performing the comprehensive evaluation on the structural health status according to the structural health status of each bridge includes:
and performing comprehensive evaluation on the health state of the bridges of the same type according to the structural health state of the bridges of the same type. For example, if a plurality of arch bridges are included, the overall comprehensive evaluation of the arch bridges can be performed according to the structural health states of the plurality of arch bridges, so as to determine which factors affect the overall health state of the arch bridges, so as to perform overall maintenance on all arch bridges, or determine which factors affect the health state of a single arch bridge under a specific environment, so as to monitor and maintain the arch bridges under the specific environment.
In the present exemplary embodiment, when the structure of the monitoring object is in an unhealthy state, a potential hazard may be given to a person in the vicinity of the monitoring object due to the structural abnormality. At this moment, the potential risk that the monitored object may bring harm needs to be pre-warned through the pre-warning terminal so as to ensure the safety of personnel. The early warning mode may include sending out alarm information to prompt the monitored object of the potential risk. The alarm information may be a red light alert.
Fig. 3 is a schematic structural diagram of a monitoring system according to an embodiment of the present disclosure. As shown in fig. 3, the whole monitoring system includes a sensing acquisition layer, a network transport layer and a cloud service center. Wherein, the perception acquisition layer comprises a data acquisition system for data acquisition; the network transmission layer comprises a data transmission system for data transmission; the cloud service center comprises a data collection layer, an application analysis layer and an information output and control layer. The data collection layer comprises a data storage management system for storing and processing data;
the application analysis layer comprises a GIS system, a BIM system, an inspection maintenance system, a user interface system, an early warning evaluation system and a comprehensive management system, wherein the inspection maintenance system is used for regularly inspecting and maintaining monitored objects;
the information output and control layer comprises a man-machine interaction system. The human-computer interaction system is used for supporting human-computer information interaction.
In one embodiment, the early warning terminal is specifically configured to perform early warning on a potential risk existing in the monitored object when a preset condition is acted on the monitored object, where: the preset condition at least comprises one of the following conditions:
the traffic flow on the monitoring object reaches a first threshold;
the wind speed of the environment where the monitoring object is located reaches a second threshold value;
the humidity of the environment where the monitoring object is located reaches a third threshold value;
the weight of the vehicle carried by the monitoring object reaches a fourth threshold.
In the present exemplary embodiment, the early warning terminal may have an early warning evaluation system therein. The early warning evaluation system is used for early warning the potential risks of the monitored object and evaluating the structural health state of the monitored object. Fig. 4 is a schematic structural diagram of an early warning evaluation system according to an embodiment of the present disclosure. As shown in fig. 4, the early warning evaluation system includes a data analysis module, a safety early warning module, and a status evaluation module. The data analysis module is used for analyzing the comparison result of the monitoring data and the threshold, the safety early warning module is used for early warning the potential risk of the monitored object according to the analysis result, and the state evaluation module is used for evaluating the structural health state of the monitored object.
In the present exemplary embodiment, the preset condition is a trigger condition that may cause a risk to the monitored object. For example, when the monitoring object is a bridge, the traffic flow on the bridge reaches a first threshold; the wind speed of the environment where the bridge is located reaches a second threshold value; the humidity of the environment where the bridge is located reaches a third threshold value; the weight of the vehicle carried by the bridge reaches a fourth threshold value and the like, which can be triggering conditions that bring danger to the monitored object. The threshold values can be the limit value for triggering the bridge to generate danger in the triggering condition, namely the maximum bearing value of the bridge in the index. When the preset conditions act on the bridge, the bridge brings the risk of collapse, and at the moment, early warning is needed so as to take measures in time and avoid the risk.
In one embodiment, the cloud service center is also provided with a policy terminal; and the strategy terminal is used for determining a maintenance scheme for the monitored object according to the comparison result and monitoring the maintenance process for the monitored object in real time.
In this exemplary embodiment, determining a maintenance scheme of the monitoring object that needs to be maintained according to the comparison result includes:
and determining a maintenance scheme corresponding to the health state grade according to the health state grade of the monitored object. For example, if the health status of the monitored object is primary, the monitored object can be simply maintained. If the health state of the monitored object is in three levels and is in a state needing overhaul, overhaul maintenance can be carried out on the monitored object, so that targeted maintenance of the monitored object is realized, and resources are saved as much as possible while the maintenance of the monitored object is completed. Meanwhile, the maintenance process of the monitored object is monitored in real time so as to ensure that the maintenance work is completed in time.
In one embodiment, a GIS geographic information system is further provided in the cloud service center for determining geographic location information of the monitoring object.
In the present exemplary embodiment, a GIS (Geographic Information System) is a specific and very important spatial Information System. The system is a technical system for collecting, storing, managing, operating, analyzing, displaying and describing geographic distribution data in space, and is a computer system for inputting, storing, inquiring, analyzing and displaying geographic data. In the application, the GIS geographic information system is used for determining the geographic position information of the monitored object, so that a worker can maintain the monitored object conveniently according to the geographic position information. For example, the geographical location information of the bridge is determined, so that a worker can conveniently maintain the bridge according to the geographical location information. Fig. 5 is a schematic structural diagram of a GIS system according to an embodiment of the present disclosure. As shown in fig. 5, when the monitoring object is a bridge, the GIS geographic information system may be used for geographic condition display, bridge cluster management, and bridge condition display.
In one embodiment, a BIM building information model construction system is further provided in the cloud service center for constructing a 3D model of the monitoring object.
In the exemplary embodiment, the core of the BIM (Building Information Modeling) is to provide a complete Building engineering Information base consistent with the actual situation for a virtual Building engineering three-dimensional model by establishing the model and using a digitization technology. The information base not only contains geometric information (including a single-bridge 3D refined model), professional attributes and state information (including design and construction information transmission and monitoring information display) for describing building components, but also contains state information of non-component objects (such as space and motion behaviors).
Fig. 6 is a schematic structural diagram of a BIM system according to an embodiment of the present disclosure. As shown in fig. 6, when the monitored object is a bridge, the BIM building information model construction system may be used for construction, design and construction information transfer, monitoring information display, and the like of a 3D model of the bridge. The bridge 3D model is a 3D model of a bridge constructed by a BIM system. The design and construction information is information related to the design of the bridge structure and the construction of personnel. The monitoring information is model structure information of the bridge, such as the bridge structure type (arch bridge, suspension bridge or viaduct bridge, etc.).
Fig. 7 is a schematic structural diagram of a user interface system according to an embodiment of the present disclosure. As shown in fig. 7, the user interface system includes a data display module, an interactive entry module, and a report generation management module. The data display module is used for monitoring data display. The interactive type input module is used for inputting detection information of the bridge, such as detection time, detection personnel and the like, by operators. And the report generation management module is used for managing the report generated by the system. Such as maintaining, updating, deleting, etc., the report.
Fig. 8 is a schematic structural diagram of an integrated management system according to an embodiment of the present disclosure. As shown in fig. 8, the integrated management system includes a task and process management module, a system maintenance module, an office automation module, and the like. The task and flow management module is used for managing tasks and data processing flows of all systems or modules so as to control task progress. The system maintenance module is used for maintaining each system so as to ensure that each system works normally. Office automation modules are used to support the automation of various systems or modules.
In one embodiment, the cloud service center further comprises a display terminal; and a human-computer interaction interface is displayed on a display screen of the display terminal and is used for checking the evaluation result of the structural health condition of the monitored object through the human-computer interaction interface.
In the exemplary embodiment, the cloud service center has a display terminal, and the terminal has a display screen. The human-computer interaction interface can be displayed on a display screen, so that a user can check the structural health state and the safety early warning information of the monitored object in real time. The terminal may include a desktop, notebook, tablet, cell phone, etc.
In an embodiment, fig. 9 is a schematic structural diagram of a database provided in an embodiment of the present disclosure. As shown in fig. 9, the database in the memory may include a system parameter database for storing the operating status information of the data collector, the technical parameters of the device (data collection frequency, operating current, operating voltage, etc. of the data collector), the measurement point number, the workstation, the channel number, etc.
The database in the memory can also comprise a system maintenance database which is used for storing equipment operation maintenance records, working current and voltage when the equipment works, working environment information of each equipment and the like.
The database in the memory may also include a structural information database for storing bridge structural information, bridge-related construction information, bridge inspection information, and the like.
The database in the memory can also comprise a super-threshold event database which is used for storing the early warning event with the super-index threshold in the comparison result and recording the early warning process. For example, an out-of-threshold event where the frequency of vibration of the bridge exceeds a threshold, the amplitude of vibration of the bridge exceeds a threshold, etc.
The database in the memory may also include a raw database for storing raw data monitored by the sensors, manually entered data on a regular basis, and the like.
The database in the memory may further include a database for storing the processed monitoring data, for storing the comparison result after the processing of the monitoring data.
The database in memory may also include a structural model database for storing model information and the like after a period of time that the bridge has been bridged.
The database in the memory can also comprise an inspection maintenance database used for storing inspection maintenance management data.
The database in the memory may further include a structural health status database for storing the evaluation results of the bridge structural health status, and the like.
Fig. 10 is a schematic structural diagram of a monitoring system according to an embodiment of the present disclosure. As shown in fig. 10, corresponds to fig. 3. The monitoring system includes: the system comprises a perception acquisition layer, a network transmission layer, a data aggregation layer, an application analysis layer and an information output and control layer. The perception acquisition layer comprises a plurality of data collectors. The network transport layer may include 3G/4G/5G communication technology transport. The data convergence layer contains the various databases shown in fig. 9. The application analysis layer contains the various systems shown in fig. 3. The information output and control layer includes various terminals.
The embodiment of the disclosure also provides a monitoring method. Fig. 11 is a schematic flow chart of a monitoring method according to an embodiment of the present disclosure. As shown in fig. 11, the monitoring method includes:
s100, sending an acquisition instruction to a data acquisition system;
s200, receiving monitoring data of the monitoring object, which is acquired by the data acquisition system according to the acquisition instruction;
step S300, storing the monitoring data;
and S400, evaluating the structural health condition of the monitored object on line based on the monitoring data.
In the exemplary embodiment, the cloud service center is a data processing center for monitoring data, has the characteristics of self-induction, self-adaptation, self-learning and self-decision, and can process the monitoring data on line in real time and evaluate the structural health state of a monitored object.
In the exemplary embodiment, the data acquisition system is configured to acquire monitoring data of a monitored object in real time, the monitored object includes at least a bridge, and the data acquisition system includes a plurality of data collectors disposed on or adjacent to the monitored object; the data acquisition unit is used for acquiring monitoring data of a monitored object; the data transmission system is connected with the data acquisition system and is used for transmitting the monitoring data acquired by the data acquisition system to the cloud service center; and the cloud service center is connected with the data transmission system and used for storing a plurality of monitoring data acquired by the data acquisition system and evaluating the structural health condition of the monitored object on line based on the plurality of monitoring data. In the application, a data acquisition system is adopted to acquire monitoring data of a plurality of monitoring objects in real time, and a cloud service center evaluates the structural health condition of the monitoring objects on line based on the plurality of monitoring data. The whole process is carried out on line in real time, manual inspection is not needed, the health condition of the monitored object is integrally evaluated through a plurality of data acquisition, a more comprehensive and more accurate health evaluation result can be obtained, the labor cost is saved, the acquisition efficiency of related information of the monitored object is improved, and the real-time monitoring on the health condition of the monitored object is ensured.
In one embodiment, the number of the acquisition instructions is multiple, and one acquisition instruction corresponds to one monitoring data;
the online assessment of the structural health of the monitored subject based on the monitoring data comprises:
and evaluating the structural health condition of the monitored object on line based on a plurality of items of the monitoring data.
In the present exemplary embodiment, the monitoring index may be each item of data index corresponding to each item of monitoring data in the above-described embodiments. For example, the monitoring index may include a wind speed of an environment in which the monitoring object is located, a wind direction of the environment in which the monitoring object is located, a temperature of the environment in which the monitoring object is located, a humidity of the environment in which the monitoring object is located, a structural stress of the monitoring object, a vibration frequency of the monitoring object, and the like.
In one embodiment, the online assessment of the structural health of the monitored subject based on a plurality of the monitoring data comprises:
comparing the plurality of items of monitoring data with threshold values respectively corresponding to a plurality of monitoring indexes one by one to obtain a plurality of comparison results;
and evaluating the structural health condition of the monitored object on line according to the comparison results.
In the present exemplary embodiment, the comparison result includes that the monitoring data exceeds the threshold values respectively corresponding to the monitoring indexes, or the monitoring data does not exceed the threshold values respectively corresponding to the monitoring indexes. When the monitoring data exceeds the threshold values corresponding to the monitoring indexes, the environment where the monitoring object is located may have a bad influence on the structure of the monitoring object, the structural health state of the monitoring object may be affected, or the structure of the monitoring object may be abnormal.
For example, if the monitored humidity is greater than the corresponding threshold, the structural strength of the monitored object may be weakened by the environment with excessive humidity.
For example, if the vibration frequency of the monitoring object is too high and exceeds the corresponding threshold, the structural connection of the monitoring object may be loosened.
In one embodiment, the method further comprises:
and when preset conditions act on the monitoring object according to the comparison results, carrying out early warning on potential risks of the monitoring object.
In the exemplary embodiment, when the monitored object has a certain potential risk, under the action of a certain condition, a hazard may be brought to personnel, and a risk early warning is performed for the hazard. Taking a bridge as an example, if the bridge can only bear 10-grade strong wind, when 12-grade strong wind may occur in the environment, an early warning may be given to prevent risks.
In one embodiment, the preset condition includes at least one of the following conditions:
the traffic flow on the monitoring object reaches a first threshold;
the wind speed of the environment where the monitoring object is located reaches a second threshold value;
the humidity of the environment where the monitoring object is located reaches a third threshold value;
the weight of the vehicle carried by the monitoring object reaches a fourth threshold.
In the present exemplary embodiment, the preset condition is a trigger condition that may cause a risk to the monitored object. For example, when the monitoring object is a bridge, the traffic flow on the bridge reaches a first threshold; the wind speed of the environment where the bridge is located reaches a second threshold value; the humidity of the environment where the bridge is located reaches a third threshold value; the weight of the vehicle carried by the bridge reaches a fourth threshold value and the like, which can be triggering conditions that bring danger to the monitored object. The threshold values can be the limit value for triggering the bridge to generate danger in the triggering condition, namely the maximum bearing value of the bridge in the index. When the preset conditions act on the bridge, the bridge brings the risk of collapse, and at the moment, early warning is needed so as to take measures in time and avoid the risk.
In one embodiment, the method further comprises:
determining a maintenance scheme for the monitored object according to the comparison result, an
And monitoring the maintenance process of the monitored object in real time.
In this exemplary embodiment, determining a maintenance scheme of the monitoring object that needs to be maintained according to the comparison result includes:
and determining a maintenance scheme corresponding to the health state grade according to the health state grade of the monitored object. For example, if the health status of the monitored object is primary, the monitored object can be simply maintained. If the health state of the monitored object is in three levels and is in a state needing overhaul, overhaul maintenance can be carried out on the monitored object, so that targeted maintenance of the monitored object is realized, and resources are saved as much as possible while the maintenance of the monitored object is completed. Meanwhile, the maintenance process of the monitored object is monitored in real time so as to ensure that the maintenance work is completed in time.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
In some cases, any two of the above technical features may be combined into a new method solution without conflict.
In some cases, any two of the above technical features may be combined into a new device solution without conflict.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media capable of storing program codes, such as a removable Memory device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, and an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (15)
1. A monitoring system, the system comprising:
the data acquisition system is used for acquiring monitoring data of a monitored object in real time, wherein the monitored object at least comprises a bridge, and the data acquisition system comprises a plurality of data acquisition units which are arranged on the monitored object or are arranged adjacent to the monitored object; the data acquisition unit is used for acquiring monitoring data of the monitored object;
the data transmission system is connected with the data acquisition system and is used for transmitting the monitoring data acquired by the data acquisition system to the cloud service center;
and the cloud service center is connected with the data transmission system and used for storing a plurality of monitoring data acquired by the data acquisition system and evaluating the structural health condition of the monitored object on line based on the plurality of monitoring data.
2. The monitoring system of claim 1, wherein the cloud service center comprises at least one cloud server;
the cloud server comprises a data processor and a memory;
the data processor is used for carrying out online processing on the collected multiple items of monitoring data to obtain processed monitoring data;
the memory is used for storing the collected multiple items of monitoring data in a first storage area and storing the processed monitoring data in a second storage area, and the first storage area and the second storage area are two different storage areas in the memory.
3. The monitoring system according to claim 2, wherein the third storage area of the memory stores threshold values corresponding to a plurality of monitoring indexes respectively;
the data processor is specifically configured to compare the multiple items of monitoring data with the threshold values corresponding to the multiple items of monitoring indexes one by one, so as to obtain multiple comparison results.
4. The monitoring system of claim 2, wherein the processed monitoring data includes the plurality of comparison results;
an early warning terminal is arranged in the cloud service center; and the early warning terminal is used for evaluating the structural health condition of the monitored object on line according to the comparison results and early warning the potential risk of the monitored object according to the comparison results.
5. The monitoring system of claim 4, wherein the early warning terminal is specifically configured to perform early warning on a potential risk of the monitored object when a preset condition is acted on the monitored object, wherein: the preset condition at least comprises one of the following conditions:
the traffic flow on the monitoring object reaches a first threshold;
the wind speed of the environment where the monitoring object is located reaches a second threshold value;
the humidity of the environment where the monitoring object is located reaches a third threshold value;
the weight of the vehicle carried by the monitoring object reaches a fourth threshold.
6. The monitoring system of claim 4, wherein the cloud service center further has a policy terminal therein; and the strategy terminal is used for determining a maintenance scheme for the monitored object according to the comparison result and monitoring the maintenance process for the monitored object in real time.
7. The monitoring system of claim 1, wherein the cloud service center further comprises a GIS geographic information system therein for determining geographic location information of the monitored object.
8. The monitoring system of claim 1, wherein a BIM building information model construction system is further provided in the cloud service center for constructing a 3D model of the monitored object.
9. The monitoring system of claim 4, wherein the cloud service center further comprises a display terminal; and a human-computer interaction interface is displayed on a display screen of the display terminal and is used for checking the evaluation result of the structural health condition of the monitored object through the human-computer interaction interface.
10. A method of monitoring, the method comprising:
sending an acquisition instruction to a data acquisition system;
receiving monitoring data of the monitoring object, which is acquired by the data acquisition system according to the acquisition instruction;
storing the monitoring data;
and evaluating the structural health condition of the monitored object on line based on the monitoring data.
11. The monitoring method according to claim 10, wherein the collection instruction is plural, and one collection instruction corresponds to one of the monitoring data;
the online assessment of the structural health of the monitored subject based on the monitoring data comprises:
and evaluating the structural health condition of the monitored object on line based on a plurality of items of the monitoring data.
12. The method of claim 11, wherein said online assessment of structural health of said subject based on a plurality of said monitoring data comprises:
comparing the plurality of items of monitoring data with threshold values respectively corresponding to a plurality of monitoring indexes one by one to obtain a plurality of comparison results;
and evaluating the structural health condition of the monitored object on line according to the comparison results.
13. The method of monitoring of claim 11, further comprising:
and when preset conditions act on the monitoring object according to the comparison results, carrying out early warning on potential risks of the monitoring object.
14. The monitoring method according to claim 13, wherein the preset condition comprises at least one of:
the traffic flow on the monitoring object reaches a first threshold;
the wind speed of the environment where the monitoring object is located reaches a second threshold value;
the humidity of the environment where the monitoring object is located reaches a third threshold value;
the weight of the vehicle carried by the monitoring object reaches a fourth threshold.
15. The method of monitoring of claim 11, further comprising:
determining a maintenance scheme for the monitored object according to the comparison result, an
And monitoring the maintenance process of the monitored object in real time.
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