CN115209370B - Informationized system for four-dimensional intelligent regulation and control of urban underground water safety - Google Patents
Informationized system for four-dimensional intelligent regulation and control of urban underground water safety Download PDFInfo
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Abstract
The invention discloses an informationized system for intelligently regulating and controlling urban underground water safety in four dimensions, which belongs to the technical field of urban water level monitoring and comprises the steps of obtaining an urban map and geographic information, establishing an urban three-dimensional geological model, presetting a plurality of monitoring nodes and relay nodes in the three-dimensional geological model, monitoring and detecting the urban water level by the monitoring nodes, sending collected data to the relay nodes, judging and screening the data information by the relay nodes, sending the screened data to other relay nodes, judging and screening for the second time, then sending the data to a server, judging and screening the data information by the server, and performing high-precision static calculation to obtain urban underground water monitoring result data, so that the real-time monitoring of urban underground water is realized, and the urban underground water four-dimensional model is obtained.
Description
Technical Field
The invention belongs to the technical field of urban water level monitoring, and particularly relates to an informatization system for urban underground water safety four-dimensional intelligent regulation.
Background
Urban inland inundation disasters are urban natural disasters that form ponding under the conditions of low terrain, unsmooth drainage and the like due to excessive runoff caused by short-time strong rainfall or large rainfall in the process, and in recent years, the urbanization process of high-speed development causes the remarkable change of urban hydrological characteristics: the urban house building is dense, the concrete coverage area is increased, the rainwater infiltration is reduced, and the rainwater retention and regulation functions are reduced; the development and utilization rate of urban underground water facilities is generally improved, the diversification of urban economic types and the high confidentiality of assets weaken the comprehensive disaster bearing capacity of cities, and the total amount of disaster loss is inevitably increased under the same disaster causing conditions.
When running into heavy precipitation weather, each acquisition node under the current urban groundwater monitoring system can send a large amount of alarm information to the server simultaneously, and when the server receives a large amount of alarm data impact in the short time, can't carry out analysis processes to it for the unable normal operating of system, data information analysis ability is low.
Disclosure of Invention
Problems to be solved
The invention provides an informatization system for urban underground water safety four-dimensional intelligent regulation and control, aiming at the problems that when an existing urban underground water monitoring system is impacted by a large amount of alarm data in a short time, the system cannot be analyzed and processed, so that the system cannot normally operate, flood season information and corresponding preparation measures cannot be timely sent to people and related units, and finally hidden dangers can be caused to the life safety of people and national property.
Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An informatization system for urban underground water safety four-dimensional intelligent regulation and control adopts the following steps:
step 1: acquiring a city map and geographic information by improving an AQM (air quality management) algorithm, and establishing a city three-dimensional geological model;
step 2: presetting a plurality of monitoring nodes and relay nodes in a three-dimensional geological model, and deploying and installing the monitoring nodes and the relay nodes according to preset positions;
and step 3: the monitoring node monitors and detects the urban water level and simultaneously transmits the acquired data to the relay node in the communication range within a preset time range;
and 4, step 4: the relay node judges and screens the data information sent by the monitoring node, establishes communication with other relay nodes at the same time, sends the screened data to other relay nodes in a communication range, judges and screens the data sent by other relay nodes for the second time, and sends the data received and screened in a preset time range to the server when the preset time is reached;
and 5: the server judges and screens data information sent by the relay node and carries out high-precision static resolving to obtain urban underground water monitoring result data, the monitoring result data are stored in a database to realize real-time monitoring of urban underground water, and the real-time data obtained through monitoring are combined with an urban three-dimensional geological model to obtain an urban underground water four-dimensional model.
Preferably, the monitoring node comprises a sensor module, a main controller module and a wireless communication module; the relay node comprises a main controller module and a wireless communication module.
Preferably, the wireless communication modules all adopt network communication modules based on the LoRa technology.
Preferably, the monitoring node stores the acquired and received data in its own monitoring database, the relay node stores the received and twice-judged and screened data in its own relay node database, and the server stores the received data, the judged and screened data, and the static solution result data in its own server chain database.
Preferably, each monitoring node is at least in communication connection with two relay nodes within the communication range of the monitoring node; each relay node is connected with two relay nodes in a network communication mode within the communication range of the relay node.
Preferably, the judgment and screening of the collected data by the relay node and the server are to compare the data according to the label code written in the data and the time stamp of the collected data, and remove abnormal data from the collected data with the same code and time stamp.
Preferably, the server and the relay node further perform scoring operation on the relay node and the monitoring node through a Byzantine fault-tolerant algorithm, establish a collected data scoring table for the relay node and the monitoring node, judge the node as an abnormal node when the proportion of abnormal data from the node is higher than a preset threshold value, and forward the judgment result to other nodes, so that the other nodes refuse to receive the data sent by the node.
Preferably, data transmission among the monitoring nodes, the relay nodes and the server adopts an asymmetric encryption algorithm to encrypt data.
Preferably, the deployed positions of the monitoring nodes comprise a flood low-lying place, a tunnel inlet and outlet, an inland river and an urban water inlet, an underground pipeline and an urban floor basement in the past year, and the monitoring nodes comprise a rainfall sensor, a water level meter and a camera.
Preferably, the server is provided with an early warning threshold value, the reported data is combined and compared with historical water and rain condition data in the database, pre-estimation and early warning are carried out before waterlogging and flood conditions occur, and a third-party system can be connected to send flood season information and corresponding preparation measures to people and related units.
An urban groundwater safety four-dimensional intelligent regulation and control information system comprises an urban three-dimensional geological model which is established by obtaining an urban map and geographic information, a plurality of monitoring nodes and relay nodes are preset in the three-dimensional geological model, the monitoring nodes and the relay nodes are deployed and installed according to preset positions, the monitoring nodes monitor and detect urban water levels, collected data are sent to the relay nodes in a communication range, the relay nodes judge and screen data information sent by the monitoring nodes, meanwhile, communication is established with other relay nodes, the screened data are sent to other relay nodes, second judgment and screening are conducted and then sent to a server, the server judges and screens the data information and conducts high-precision static resolving, urban groundwater monitoring result data are obtained, real-time monitoring of urban groundwater is achieved, an urban groundwater four-dimensional model is obtained, the requirement for real-time transmission of urban groundwater environmental data can be met, and the urban groundwater four-dimensional model generated by the final server is safer and more reliable.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the method, through establishing the multilayer block chain network communication connection, data transmission is carried out among the monitoring nodes, the relay nodes and the server, data transmission is also carried out among the relay nodes, and through carrying out multiple times of verification and screening on abnormal data, point-to-point communication connection is established, so that the communication efficiency among the nodes is improved, the data safety is guaranteed, and the urban underground water four-dimensional model generated by the server is safer and more reliable finally;
(2) According to the invention, the environmental data of urban underground water is collected by a plurality of monitoring nodes, the relay node is arranged between the monitoring nodes and the estrus, the relay node is used for carrying out primary integration processing on the environmental data information collected by the monitoring nodes, and the data receiving amount of the server is reduced, so that the server can better carry out high-precision static calculation on the data;
(3) The invention adopts the LoRa communication module for communication among the nodes, has farther wireless radio frequency communication distance under the condition of low power consumption and higher capacity, can simultaneously connect a LoRa gateway with a plurality of LoRa nodes, and can meet the real-time transmission requirement on urban underground water environment data.
Drawings
In order to more clearly illustrate the embodiments or exemplary technical solutions of the present application, the drawings needed to be used in the embodiments or exemplary descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application and therefore should not be considered as limiting the scope, and it is also possible for those skilled in the art to obtain other drawings according to the drawings without inventive efforts.
FIG. 1 is a schematic representation of the steps of the present invention;
FIG. 2 is a schematic flow chart of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments, and generally, components of the embodiments of the present application described and illustrated in the drawings herein can be arranged and designed in various different configurations.
Therefore, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application, and all other embodiments that can be derived by one of ordinary skill in the art based on the embodiments in the present application without making creative efforts fall within the scope of the claimed application.
Example 1
An informatization system for four-dimensional intelligent regulation and control of urban underground water safety comprises the following steps:
step 1: acquiring a city map and geographic information by improving an AQM (air quality monitoring) management algorithm, and establishing a city three-dimensional geological model;
and 2, step: presetting a plurality of monitoring nodes and relay nodes in a three-dimensional geological model, and deploying and installing the monitoring nodes and the relay nodes according to preset positions;
and step 3: the monitoring node monitors and detects the urban water level and simultaneously transmits the acquired data to the relay node in the communication range within a preset time range;
and 4, step 4: the relay node judges and screens the data information sent by the monitoring node, establishes communication with other relay nodes at the same time, sends the screened data to other relay nodes in a communication range, judges and screens the data sent by other relay nodes for the second time, and sends the data received and screened in a preset time range to the server when the preset time is reached;
and 5: the server judges and screens data information sent by the relay node and carries out high-precision static resolving to obtain urban underground water monitoring result data, the monitoring result data are stored in a database to realize real-time monitoring of urban underground water, and the real-time data obtained through monitoring are combined with an urban three-dimensional geological model to obtain an urban underground water four-dimensional model.
In the above specific embodiment, the monitoring node includes a sensor module, a main controller module and a wireless communication module; the relay node comprises a main controller module and a wireless communication module.
In the above specific embodiment, the wireless communication modules all adopt network communication modules based on the LoRa technology.
In the above specific embodiment, the monitoring node stores the collected and received collected data in its own monitoring database, the relay node stores the received and twice-judged and screened data in its own relay node database, and the server stores the received data, the judged and screened data, and the static solution result data in its own server chain database.
In the above specific embodiment, each monitoring node is at least communicatively connected with two relay nodes within a communication range of the monitoring node; each relay node is connected with two relay nodes in a network communication mode within the communication range of the relay node.
In the above specific embodiment, the judging and screening of the collected data by the relay node and the server is to compare the data according to the label code written in the data and the time stamp of the collected data, and remove abnormal data from the collected data with the same code and time stamp.
In the above specific embodiment, the server and the relay node further perform scoring operation on the relay node and the monitoring node through a byzantine fault-tolerant algorithm, establish a collected data scoring table for the relay node and the monitoring node, determine the node as an abnormal node when the proportion of abnormal data from the node is higher than a preset threshold, and forward the determination result to other nodes, so that the other nodes refuse to receive the data sent by the node.
In the above specific embodiment, the data transmission among the monitoring node, the relay node, and the server all uses an asymmetric encryption algorithm to encrypt the data.
In the above specific embodiment, the deployed positions of the monitoring nodes include a flood low-lying place, a tunnel entrance, a tunnel exit, an inland river and an urban entrance, an underground pipeline, an urban floor basement and a reservoir in the past year, and the monitoring nodes include a rainfall sensor, a water level meter and a camera.
In the above specific embodiment, the server is provided with an early warning threshold, the reported data is combined and compared with the historical water and rain condition data in the database, and the forecast and early warning are performed before waterlogging and flood conditions occur, so that a third-party system can be connected to send flood season information and corresponding preparation measures to people and related units. As shown in fig. 1 and 2, an informatization system for four-dimensional intelligent regulation and control of urban groundwater safety mainly comprises the following processes:
the method comprises the steps of obtaining an urban map and geographic information, establishing an urban three-dimensional geological model, presetting a plurality of monitoring nodes and relay nodes in the three-dimensional geological model, deploying and installing the monitoring nodes and the relay nodes according to preset positions, monitoring and detecting urban water level by the monitoring nodes, sending collected data to the relay nodes in a communication range in a preset time range, judging and screening data information sent by the monitoring nodes by the relay nodes, establishing communication with other relay nodes, sending screened data to other relay nodes in the communication range, judging and screening data sent by other relay nodes for the second time by the relay nodes, sending the data received and screened in the preset time range to a server by the relay nodes when preset time is reached, judging and screening the data information sent by the relay nodes by the server, performing high-precision static calculation to obtain urban underground water monitoring result data, storing the monitoring result data into a database, realizing real-time monitoring of urban underground water, combining the monitored real-time data with the three-dimensional geological model, and obtaining the urban four-dimensional underground water model.
The method comprises the steps of firstly obtaining an urban map and geographic information, establishing an urban three-dimensional geological model, presetting a plurality of monitoring nodes and relay nodes in the three-dimensional geological model, arranging and installing the monitoring nodes and the relay nodes according to preset positions, wherein the positions where the monitoring nodes are arranged comprise a next-year flood depression, a tunnel inlet and a tunnel outlet, an inland river and an urban water inlet, underground pipelines, urban floor basements and a reservoir, the monitoring nodes comprise a rainfall sensor, a water level meter and a camera, the relay nodes comprise a main controller module and a wireless communication module, the wireless communication module adopts a network communication module based on a LoRa technology, each monitoring node is at least in communication connection with two relay nodes in the communication range of the monitoring nodes, and each relay node is in network communication connection with two relay nodes in the communication range of the relay nodes.
The monitoring node monitors and detects the urban water level, comprises a sensor module, a main controller module and a wireless communication module, and simultaneously transmits acquired data to a relay node in a communication range in a preset time range, data transmission between the monitoring node and the relay node adopts an asymmetric encryption algorithm to encrypt the data, and the monitoring node stores the acquired and received data in a monitoring database of the monitoring node.
The method comprises the steps that a relay node judges and screens data information sent by a monitoring node, meanwhile, communication is established with other relay nodes, the screened data are sent to other relay nodes in a communication range, the relay node judges and screens the data sent by other relay nodes for the second time, when the preset time is reached, the relay node sends the data received and screened in the preset time range to a server, data transmission between the relay node and the server adopts an asymmetric encryption algorithm to encrypt the data, the relay node stores the received and twice-judged and screened data in a relay node database of the relay node, the judgment and screening of the relay node on the collected data are to compare the data according to a label code written in the data and a timestamp of the collected data, abnormal data are removed from the collected data with the same code and timestamp, the relay node also carries out scoring operation on the monitoring node through a Byzantine fault-tolerant algorithm, a collected data scoring table is established for the monitoring node, and when the proportion of the abnormal data in the node is higher than a preset threshold value, the node is judged as an abnormal node, and the other nodes are enabled to receive the data sent by other nodes and refuse the other nodes.
The server judges and screens data information sent by the relay node and carries out high-precision static calculation to obtain urban underground water monitoring result data, the monitoring result data are stored in a database to realize real-time monitoring of the urban underground water, the monitored real-time data are combined with an urban three-dimensional geological model to obtain an urban underground water four-dimensional model, the server stores the received data, the judged and screened data and the static calculation result data in a server chain database of the server, the server judges and screens the collected data by comparing the data according to a label code written in the data and a timestamp of the collected data and removing abnormal data from the collected data with the same code and the same timestamp, the server is provided with an early warning threshold value, the reported data are combined and compared with historical rainfall data in the database, early warning and early warning are carried out before waterlogging and flood conditions occur, a third-party system can be connected, flood period information and corresponding preparation measures are sent to people and related units, the server also carries out scoring operation on the relay node through a bye-party fault-tolerant algorithm, a relay node is divided into a data collection table, when the abnormal data are transmitted to other nodes, and the abnormal judgment nodes are transmitted to reject other nodes, and the abnormal data are transmitted to other nodes.
According to the description, in the embodiment, an urban three-dimensional geological model is established by obtaining an urban map and geographic information, a plurality of monitoring nodes and relay nodes are preset in the three-dimensional geological model, the monitoring nodes and the relay nodes are deployed and installed according to preset positions, the monitoring nodes monitor and detect urban water levels, collected data are sent to the relay nodes in a communication range, the relay nodes judge and screen data information sent by the monitoring nodes, meanwhile, communication is established with other relay nodes, the screened data are sent to other relay nodes, second judgment and screening are conducted and then sent to a server, the server judges and screens the data information and conducts high-precision static resolving, urban underground water monitoring result data are obtained, real-time monitoring of urban underground water is achieved, and an urban underground water four-dimensional model is obtained.
In the above embodiment, the improved AQM management algorithm includes a main control module, and a communication module and a calculation module connected to the main control module.
In the main control module, the control of various data information acquisition is realized through the main board module. Wherein the control module is a main control unit based on an STM32 singlechip. In the concrete design, adopt high performance 32 bit microcontroller STM32F103VCT6 based on ARM Cortex-M3 kernel as the Main Control Unit (MCU), the operating frequency of high control module is 72 MHz, has powerful on-chip resource, contains 3 12 bit ADCs, 2 12 bit DACs, 4 general 16 bit timers and 2 16 bit PWM advanced timers that bring the dead and go control, still contains and reaches 13 communication interfaces up to: 2 pieces of I 2 C interface, 3 SPI interfaces, 2I 2 The S interface (with SPI multiplexing), 1 SDIO interface, 5 UART interfaces, 1 USB2.0 full speed interface and 1 CAN interface etc. CAN satisfy the requirement of smart meter data collection station uplink, downlink and local communication.
The communication module adopts a ZigBee module, and the ZigBee module mainly comprises a power supply module, a storage module, a clock module, various communication modules and interfaces in a hardware structure. The communication modules are respectively 2 paths of RS485 modules, 1 path of M-Bus host machine modules, 1 path of M-Bus slave machine modules, 1 path of infrared modules, 1 path of pulse modules and the like. And when data is transmitted, the ZigBee module is adopted to realize the communication of data information. The ZigBee module can realize wireless communication of ISM wave band under the action of 2.4GHz frequency. In the application process of the module, the module is also controlled by an EM 2420.4 GHz radio frequency transceiver and an ATMEL 8-bit AVR microcontroller, the ZigBee module has nominal emission of-1.5 dBm and receiving sensitivity of-92 dBm, when the power supply is 3.0V, the module consumes 31.0mA in the emission mode and 28mA in the receiving mode, and data throughput is greatly improved. Through data information interaction, remote monitoring and application of data information can be realized. When underground water information is collected, the invention provides an Active Queue Management (AQM) algorithm, different data channels are transmitted and buffered through control Management data, so that the stability of the operation of an underground water data transmission network is further realized, and the collected data can be managed according to a Queue mode through a constructed system model, so that a sustainable Management method is completed.
According to four-dimensional intelligent regulation and control of underground water safety, data change in an underground water data information management operation network is managed, and the performance index of the whole underground water data transmission network is calculated, namely:
in the formula (1), the reaction mixture is,
represents the operating performance of the groundwater data information transfer network,
a trajectory function representing the variation in the operation of the collected groundwater information collection data,
representing the prediction of the change rule of the collected underground water information collection data,
and the optimal data change performance of the underground water data information transfer network is represented.
Deducing according to the underground water data information transmission network warehousing data volume to further obtain an optimal management method:
wherein,
the queue optimization quantity in the operation time of the collected underground water information collection data is shown,
representing the difference between the groundwater data transfer network and the optimized management method,
the amount of the collected groundwater information collection data representing the maintenance management system's stable compensation,
represents the margin of variation of the groundwater data transfer network,
and the data amount which is required to be converted in the underground water data information management operation is represented.
The track function of the underground water data information management change is adjusted to enable the management data to be more reasonable, and the change track after improvement is expressed as:
wherein,
represents the minimum fluctuation quantity of the collected underground water information collection data,
the amount of surge buffering is managed,
showing the change rule function of the collected underground water information collection data,
represents the total amount of the collected groundwater information collection data,
representing batch transportation of the collected groundwater information collection data,
a calibrated acquired groundwater information acquisition data partitioning is represented.
Managing a change track according to the improved groundwater data information, substituting the collected groundwater information collection data quantity in actual operation into calculation, and obtaining a change rule function as follows:
wherein,
indicating the number of batches for which the collected groundwater information collection data is scheduled for transportation,
and representing the weight change of the groundwater data information management data.
Deducing the influence degree of the total data of the collected groundwater information collected data samples on the fluctuation buffering of a groundwater data transmission network through an improved AQM algorithm, namely:
in the formula (5), the reaction mixture is,
representThe collected groundwater information in the algorithm program is input to collect data volume,
indicating the groundwater information collection data standard that the groundwater data delivery network allows to collect,
and representing the number of the batch dividing of the transportation of the collected underground water information collection data.
Due to the fluctuation of the groundwater data transmission network, the change track of the collected groundwater information collection data caused during the buffering period is represented as:
wherein,
showing the change ratio of the initially collected groundwater information collection data,
indicating the change ratio of the collected groundwater information collection data in the buffering period,
and representing the changed feedback constraint conditions of the collected groundwater information collection data.
Through counting the influence caused by the transformation track and the buffering time of the collected underground water information collection data, the total underground water information collection data collected under the influence is obtained as follows:
wherein,
showing the variation track of the collected groundwater information data when there is no fluctuation,
showing the variation trace of the collected groundwater information collection data during the fluctuation,
indicating that the affected data is in the absence of fluctuations,
indicating the affected data within the surge buffering time.
By eliminating the fluctuation influence generated by underground water data information management, the underground water data information management is recovered to a queue type management mode, so that the purpose of system stability is achieved, and the eliminated fluctuation data is as follows:
wherein
Indicating the total amount of data generated during the transportation of the collected groundwater information collection data,
representing the changed feedback constraint conditions of the collected groundwater information collection data,
showing the change ratio of the initially collected groundwater information collection data [8] ，
A calibrated acquired groundwater information acquisition data partitioning is represented,
showing the variation track of the collected underground water information collecting data when there is no fluctuation,
indicating the affected data in the absence of fluctuations,
showing the variation trace of the collected groundwater information collection data during the fluctuation,
indicating the affected data within the surge buffering time.
Compared with the traditional algorithm, the improved AQM algorithm has stronger sensitivity to fluctuation data and wider screening range, so that the fluctuation of the underground water data information management data is controlled within a certain range, the influence on the whole underground water data information transmission network is avoided, and the stability of the underground water data information management system is improved.
In the specific embodiment, byzantine Fault-tolerant algorithm is called Byzantine factory Tolerance in English, and is called BFT for short. In specific application, byzantine errors are easy to occur, and the byzantine errors are malicious nodes which can send inconsistent information to each node in order to hinder the transmission of real information and achieve effective consistency. This fault tolerance, which is capable of handling byzantine errors, is called byzantine fault tolerance. The Byzantine fault-tolerant consensus algorithm is how to form consensus on the network state among normal nodes under the condition that a blockchain network environment comprises a server which operates normally, a server which fails and a server which is a destructor.
The asymmetric encryption algorithm requires two keys: and the public key and the private key carry out corresponding public key decryption. Since different keys are used for encryption and decryption, it is called asymmetric encryption.
(1) A sends information to B, and both a and B generate a pair of public and private keys for encryption and decryption.
(2) The private key of A is secret, and the public key of A is informed to B; the private key of B is secret, and the public key of B is informed to A.
(3) When a wants to send information to B, a encrypts the information with B's public key, since a knows B's public key.
(4) A sends this message to B (the message has been encrypted with B's public key).
(5) B receives this message, and B decrypts a's message with its own private key. All other people who receive the message cannot decrypt the message because only B has the private key of B.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention.
Claims (10)
1. An informatization system for urban underground water safety four-dimensional intelligent regulation and control is characterized by comprising the following steps of:
step 1: acquiring a city map and geographic information by improving an AQM (air quality monitoring) management algorithm, and establishing a city three-dimensional geological model;
step 2: presetting a plurality of monitoring nodes and relay nodes in a three-dimensional geological model, and deploying and installing the monitoring nodes and the relay nodes according to preset positions;
and 3, step 3: the monitoring node monitors and detects the urban water level, and simultaneously transmits the acquired data to the relay node in the communication range within a preset time range;
and 4, step 4: the relay node judges and screens the data information sent by the monitoring node, establishes communication with other relay nodes at the same time, sends the screened data to other relay nodes in a communication range, judges and screens the data sent by other relay nodes for the second time, and sends the data received and screened in a preset time range to the server when the preset time is reached;
and 5: the server judges and screens data information sent by the relay node and performs high-precision static calculation to obtain urban underground water monitoring result data, the monitoring result data is stored in a database to realize real-time monitoring of urban underground water, and the real-time data obtained through monitoring is combined with an urban three-dimensional geological model to obtain an urban underground water four-dimensional model.
2. The urban groundwater safety four-dimensional intelligent regulation and control informatization system according to claim 1, characterized in that: the monitoring node comprises a sensor module, a main controller module and a wireless communication module; the relay node comprises a main controller module and a wireless communication module.
3. The informatization system for four-dimensional intelligent regulation and control of urban groundwater safety according to claim 2, characterized in that: the wireless communication modules all adopt network communication modules based on the LoRa technology.
4. The informatization system for four-dimensional intelligent regulation and control of urban groundwater safety according to claim 1, characterized in that: the monitoring node stores collected and received collected data in a monitoring database of the monitoring node, the relay node stores received and twice-judged and screened data in a relay node database of the relay node, and the server stores the received data, the judged and screened data and result data of static calculation in a server chain database of the server.
5. The urban groundwater safety four-dimensional intelligent regulation and control informatization system according to claim 1, characterized in that: each monitoring node is at least in communication connection with two relay nodes in the communication range of the monitoring node; each relay node is connected with two relay nodes in a network communication mode within the communication range of the relay node.
6. The informatization system for four-dimensional intelligent regulation and control of urban groundwater safety according to claim 1, characterized in that: the judgment and screening of the relay node and the server on the acquired data are realized by comparing the data according to the label code written in the data and the time stamp of the acquired data and removing abnormal data from the acquired data with the same code and time stamp.
7. The informatization system for four-dimensional intelligent regulation and control of urban groundwater safety according to claim 1, characterized in that: the server and the relay node also perform scoring operation on the relay node and the monitoring node through a Byzantine fault-tolerant algorithm, a collected data scoring table is established for the relay node and the monitoring node, when the proportion of abnormal data from the node is higher than a preset threshold value, the node is judged to be an abnormal node, and a judgment result is forwarded to other nodes, so that the other nodes refuse to receive the data sent by the node.
8. The informatization system for four-dimensional intelligent regulation and control of urban groundwater safety according to claim 1, characterized in that: and data transmission among the monitoring nodes, the relay nodes and the server adopts an asymmetric encryption algorithm to encrypt the data.
9. The urban groundwater safety four-dimensional intelligent regulation and control informatization system according to claim 1, characterized in that: the positions of the deployment of the monitoring nodes comprise a flood low-lying place, a tunnel inlet and outlet, an inland river and an urban water inlet, an underground pipeline, an urban floor basement and a reservoir in the past year, and the monitoring nodes comprise a rainfall sensor, a water level meter and a camera.
10. The informatization system for four-dimensional intelligent regulation and control of urban groundwater safety according to claim 1, characterized in that: the server is provided with an early warning threshold value, combines and compares the reported data with historical water and rain condition data in the database, predicts and warns before waterlogging and flood conditions do not occur, and can be connected with a third-party system to send flood season information and corresponding preparation measures to people and related units.
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| CN105070052B (en) * | 2015-07-17 | 2017-11-03 | 袁丽 | Wireless communication system and method for intelligent traffic monitoring |
| CN106504124A (en) * | 2016-12-12 | 2017-03-15 | 福州众衡时代信息科技有限公司 | A kind of water conservancy industry methods of exhibiting based on virtual reality technology |
| CN206820786U (en) * | 2017-06-14 | 2017-12-29 | 中国地质环境监测院 | A kind of geological environment monitoring system based on Internet of Things and cloud service |
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| CN108871359A (en) * | 2018-04-28 | 2018-11-23 | 山东交通学院 | A kind of dynamic air quality air navigation aid, carrier air-quality monitoring system of riding |
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