CN117475591A - Reservoir dam safety monitoring system based on video and data integration and early warning and positioning method thereof - Google Patents
Reservoir dam safety monitoring system based on video and data integration and early warning and positioning method thereof Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- H—ELECTRICITY
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Abstract
The invention relates to a reservoir dam safety monitoring system based on video and data integration and an early warning and positioning method thereof, wherein the system comprises a dam safety monitoring sensor, a camera, a communication unit, a dam partition host, a storage unit, a central host and a central server, wherein an early warning module is arranged in the central host; the system can realize early warning and alarming of dam safety and quick positioning of abnormal conditions, and can realize superposition of video and data; when the early warning occurs, the color of the text changes and the corresponding early warning symbol is provided, the early warning symbol can be sent to related personnel for positioning, and the data combined with the picture and the data is easier to intuitively store and retrieve. In addition, the system can realize remote monitoring from macroscopic to microscopic, locate the dam on a map of a system network, enter a 3D dam model, click dam alarm coordinates, and the dam real scene picture shot by the corresponding camera is provided with various monitoring information and alarm information of the dam, so that an actual place can be quickly located.
Description
Technical Field
The invention relates to a reservoir dam safety monitoring system based on video and data integration and an early warning and positioning method thereof, and belongs to the technical field of reservoir dam safety monitoring and early warning.
Background
The dam is a necessary special building in the reservoir hydropower station, the safety property of the dam is completely different from that of common buildings and the like, and the safety problem of the dam is not ignored while enjoying the economic benefit brought by the reservoir hydropower station. At present, a large number of safety monitoring facilities are installed on most reservoir dams, various monitoring terminals are installed at the positions of the dams to obtain various parameters of the dams, and then safety pre-warning of the dams is carried out, but when the safety pre-warning occurs, the safety pre-warning is compared with the actual environment of the dams according to the existing data, the places where the dam is happened cannot be quickly positioned, and the safety management level and the working efficiency are seriously reduced due to the processing of the safety conditions.
The Chinese patent document CN107564257A discloses a geographical hydrologic data acquisition and display system, which comprises a man-machine operation module, a geographical hydrologic data acquisition module, a geographical hydrologic space information monitoring module, a video data acquisition module, a monitoring center, a prediction analysis module, an early warning evaluation module, a holographic projection system, a geographical hydrologic data management system and a man-machine interaction module. However, the patent cannot effectively determine the place of occurrence of the dam, and the operation is tedious, so that the safety management level and the working efficiency are reduced, and the invention can rapidly and effectively confirm the place of occurrence; in addition, the holographic projection system is not intuitive for the checked monitoring data, the wanted data needs to be screened, and the actual environment and condition of the dam cannot be intuitively and effectively observed.
In addition, in order to intuitively observe various monitoring data in a monitoring picture, whether potential safety hazards occur or not is rapidly judged, and the superposition of a video picture and the data is a feasible means. Chinese patent document CN100579182 discloses a method and apparatus for subtitle superimposition, the method comprising: the main control chip transmits caption key value information to the caption superposition module; and the caption superposition module extracts corresponding dot matrix data from a word stock of the caption key value information according to the caption key value information and superimposes the dot matrix data on an image. The device comprises: the system comprises a main control chip and a caption superposition module, wherein the caption superposition module comprises a word stock and a caption lattice generating unit. The main control chip is used for transmitting caption key value information to the caption superposition module; the word stock is used for storing dot matrix data; and the caption lattice generating unit is used for extracting corresponding lattice data from the word stock according to the caption key value information received from the main control chip and superposing the corresponding lattice data on an image. However, the stacking mode provided by the method mainly uses a stacking module device, and the stacking mode is complex.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a reservoir dam safety monitoring system based on integration of video and data and an early warning and positioning method thereof.
The technical scheme of the invention is as follows:
a reservoir dam safety monitoring system based on integration of video and data comprises a dam safety monitoring sensor group, a camera, a communication unit, a dam partition host, a storage unit, a central host and a central server, wherein an early warning module is arranged in the dam partition host;
a plurality of cameras, a dam safety monitoring sensor group, a communication unit and a dam partition host are arranged in each dam partition; the dam partition hosts are connected with the central host, and the central host is respectively connected with the storage unit and the central server;
the dam safety monitoring sensor group is used for monitoring deformation, permeation, compression and hydrologic and meteorological data in a dam body of the dam, and summarizing and inputting the monitored data to the dam partition host through the communication unit; the video camera is used for shooting videos of all area positions of the dam, transmitting the videos to the dam partition host, superposing data and the videos in the dam partition host, integrating the videos and the data, inputting the integrated video data to the central host for real-time display, storing the integrated video data in the storage unit and uploading the integrated video data to the central server;
when the monitoring data is equal to or exceeds a set threshold value, the early warning module sends out an alarm or early warning signal, the dam partition host machine receives the signal of the early warning module to alarm or early warn, and meanwhile, the signal is sent to the central host machine to alarm or early warn at the same time, and in the central host machine, the accident point is positioned according to the superimposed data in the integrated video data.
According to the invention, the video camera can realize data transmission with the host of the dam partition through the Ethernet or the 4g communication module.
According to the invention, the built-in main control chip of the dam partition host adopts a singlechip chip, such as STM32F103VCT6 main control chip, and uses a peripheral chip with a MAC address and a physical layer port to achieve the requirement of connecting with the Ethernet, and the peripheral chip communicates with the singlechip chip through an SPI interface or an FSMC interface.
The early warning and positioning method of the reservoir dam safety monitoring system comprises the following steps:
step 1, physically partitioning a dam body of a reservoir dam, acquiring monitoring images of the dam by a camera in real time in each dam partition to obtain an original video, acquiring monitoring data of each dam by a dam safety monitoring sensor group in real time, and transmitting the monitoring data and the original video into a dam partition host;
step 2, configuring IP and port numbers of each camera in a central host program;
step 3, downloading the user names and passwords of all cameras in the host region of the dam partition into a central host program in a configuration mode;
step 4, the central host program logs in the cameras in the subareas through the IP address and the port number;
step 5, the central host computer obtains the configuration protocol package of the camera through analyzing the camera data stream;
step 6, analyzing the obtained configuration protocol packet of the camera, and screening out geographic position information;
step 7, the central host program uses program variables to replace geographical position information;
step 8, the central host computer processes the deformation monitoring, the penetration monitoring, the compression monitoring, the hydrologic monitoring and the meteorological monitoring uploaded by the regional host computers in each area of the dam;
step 9, after the processing of step 8, the central host superimposes the data acquired by the dam safety monitoring sensor group transmitted by each dam partition host onto all camera pictures in the dam partition where each partition host is located in an Ethernet mode, so that video data integration is realized; meanwhile, the early warning module judges the collected monitoring data and performs corresponding early warning and positioning;
and 10, after the host computers of all the dam subareas are uniformly scheduled by the central host computer to integrate video data in all the subareas, the central host computer displays the video data integrated pictures in real time, wherein the data comprise data for normal monitoring, early warning or alarming, the data are stored in a storage unit in real time, and meanwhile, data streams of the video and the data integrated pictures are packaged and sent to the central server.
According to the reservoir safety monitoring system and the early warning and positioning method, on one hand, video and data integrated pictures of each dam partition can be displayed in real time on the central host, and convenience is brought to dam staff to check; on the other hand, the central server can realize remote monitoring of the conditions of each partition of each dam, and is convenient for the public service personnel to check.
According to the invention, the real-time update frequency of the data of the dam safety monitoring sensor group acquisition end is kept the same as the speed of uploading the data of the dam partition host by the camera protocol, the data of the dam safety monitoring sensor group acquisition end in each dam partition is uploaded to the corresponding camera area code, the data is displayed in a video picture, and the data is in the form of Song body and white fonts. The cameras are in one-to-one correspondence with the dam partitions, and related personnel are positioned rapidly when the dam body is in early warning condition, so that timely processing is achieved.
According to the invention, the specific processes of the step 6 and the step 7 are as follows: the configuration protocol package analysis is directly carried out on the configuration protocol of the camera through the singlechip of the dam partition host computer, the geographic position protocol in the camera configuration protocol package is configured and analyzed, then the analyzed geographic position protocol is replaced by the coding variable (a plurality of coding variables) with corresponding formats,
the method comprises the steps that the coding variable is hooked with data collected by a dam safety monitoring sensor group, the coding variable is to replace a camera geographical position data protocol in an ONVIF protocol, the program variable data is consistent with the data collected by each monitored sensor, the geographical position protocol configuration in a camera configuration protocol packet is replaced by the data monitored by the dam safety monitoring sensor group corresponding to the format, and finally, the configuration effect of the camera is realized by replacing a manual configuration mode by a network uploading configuration mode.
After the above, the display of the camera is completed in a mode of overlapping not only the shot picture but also the sensor data text.
In a preferred embodiment of the present invention, in step 8, the data processing is to convert the protocol data or analog data of the dam safety monitoring sensor group into digital variables, and assign the digital variables to the program variables. After the analysis of the video camera transmission protocol is completed, the master control chip in the host computer configures the geographical position protocol in the video camera configuration protocol packet to be analyzed, then uses the coding variable corresponding to the format of the video camera to replace the analyzed geographical position protocol in the program, and hooks the coding variable with the data acquired by the dam safety monitoring sensor group, so that the geographical position information in the video camera configuration protocol packet is replaced by the dam safety monitoring sensor group data corresponding to the format.
According to the invention, preferably, the early warning and positioning method further comprises: step 11, a central server remotely monitors the related state of the dam, and establishes a dam 3D model according to the dam on the map to perform related partition operation; when the dam early warning module carries out dam early warning or alarming, the central server locates the dam partition according to the dam model on the map, and then the video and data integrated picture is displayed in real time by the camera where the dam partition is located, so that remote real-time monitoring is realized.
According to the invention, the specific process of the early warning module for early warning or alarming is as follows:
when the monitoring data does not exceed the set early warning value, the monitoring data is displayed as a Song body and a white font;
when the monitoring data is equal to the set early warning value, displaying the monitoring data as Song body and yellow font, starting a yellow flash lamp for early warning, and sending a mobile phone short message to related personnel by a 4G module of a central host for early warning;
when the monitoring data is equal to the set early warning value, the monitoring data is displayed as Song body and red font, a red flash lamp is started to alarm, and a 4G module of the central host computer sends telegrams, telephone short messages and the like to related personnel to alarm.
According to the invention, when each device for monitoring the reservoir dam performs early warning or alarming through the central host, the staff can take the video and data integrated picture during early warning or alarming, can quickly locate the actual position of the dam scene according to the dam partition number and each sensor number, and can quickly determine the abnormal point of the dam according to the dam number.
According to the invention, preferably, the video data integrated picture in early warning or alarming is called, and the specific steps comprise:
step S1, determining a time period of a video to be called and a data integrated video;
step S2, video data is called on a player according to the determined time period;
step S3, the video displays the video camera monitoring picture of the time period and the data monitored by each dam safety monitoring sensor in real time;
and S4, reading the video and data integrated picture, and then analyzing or storing.
According to the invention, the geographic position information is collected by a dam safety monitoring sensor, and the additional information of the geographic position comprises time associated with a monitoring video, state, position, video and data integrated picture compression of the dam into an MP4 video format for real-time storage. The state of the dam is real-time data collected by each monitoring sensor.
According to the invention, the dam body of the reservoir dam is physically partitioned, the dam safety monitoring sensors are arranged according to the area number of the reservoir dam, and the dam area number is used as the first character for sorting and marking.
The beneficial effects of the invention are as follows:
1. the system and the early warning and positioning method provided by the invention automatically confirm the average warning threshold according to the past-year monitoring information, thereby realizing full-automatic monitoring.
2. The system and the early warning and positioning method thereof provided by the invention can check the specific condition of a certain node or a certain partition of the dam and the real-scene data monitoring picture from surface to point on the map of the central server, and can rapidly confirm the field condition of the dam.
3. The system is provided with a storage unit, can be used for taking investigation at any time for the past condition of the dam at any time, and can be used for displaying dam live-action information and all data conditions at the past time point.
4. The system and the early warning and positioning method thereof can quickly position according to the nodes or the subareas of the dam, can quickly reach an abnormal place for repairing after abnormal conditions occur, and can check specific conditions and repairing conditions of the site from surface to point by personnel far away from the site through the central server.
5. The system provided by the invention accords with humanized standards, is simple and convenient to use, and can quickly know the specific condition of the dam during observation.
Drawings
FIG. 1 is a schematic diagram of a reservoir dam safety monitoring system based on video and data integration provided by the invention;
FIG. 2 is a flow chart of a reservoir dam safety monitoring system and an early warning and positioning method thereof;
FIG. 3 is a schematic diagram of an interface for video data integration;
FIG. 4 is a screen of a map display on a central server;
fig. 5 is a schematic plan view of a dam.
Detailed Description
The invention is further illustrated, but not limited, by the following examples and figures of the specification.
Example 1
The reservoir dam safety monitoring system based on video and data integration comprises a dam safety monitoring sensor group, a camera, a communication unit, a dam partition host, a storage unit, a central host and a central server, wherein an early warning module is arranged in the dam partition host;
a plurality of cameras, a dam safety monitoring sensor group, a communication unit and a dam partition host are arranged in each dam partition; the dam partition hosts are connected with the central host, and the central host is respectively connected with the storage unit and the central server;
the dam safety monitoring sensor group is used for monitoring deformation, permeation, compression and hydrologic and meteorological data in a dam body of the dam, and summarizing and inputting the monitored data to the dam partition host through the communication unit; the video camera is used for shooting videos of all area positions of the dam, transmitting the videos to the dam partition host, superposing data and the videos in the dam partition host, integrating the videos and the data, inputting the integrated video data to the central host for real-time display, storing the integrated video data in the storage unit and uploading the integrated video data to the central server;
when the monitoring data is equal to or exceeds a set threshold value, the early warning module sends out an alarm or early warning signal, the dam partition host machine receives the signal of the early warning module to alarm or early warn, and meanwhile, the signal is sent to the central host machine to alarm or early warn at the same time, and in the central host machine, the accident point is positioned according to the superimposed data in the integrated video data.
The video camera realizes data transmission with the host of the dam partition through Ethernet or a 4g communication module.
The built-in main control chip of the dam partition host adopts a singlechip chip, such as STM32F103VCT6 main control chip, and uses a peripheral chip with an MAC address and a physical layer port to achieve the requirement of Ethernet connection, and the peripheral chip is communicated with the singlechip chip through an SPI interface or an FSMC interface.
In the embodiment, deformation monitoring is realized through a plumb line coordinatometer, a telemetering static level gauge, a displacement sensor (horizontal and vertical), GPS monitoring, a buried strain gauge, a crack meter, a vibrating wire acquisition instrument, an inclinometer, a GNSS/stay wire displacement sensor, an optical fiber sensor, a laser collimation measurement technology and the like;
the monitoring of seepage, permeation and compression is realized through piezoresistive sensors, seepage meters, sedimentation sensors, soil pressure sensors, chord type instruments, computer tomography technology and seepage heat monitoring;
the hydrologic and meteorological monitoring is realized through a water level sensor, an air temperature and pressure sensor, a rainfall sensor, a water pressure sensor, a water PH value sensor and a conductivity sensor.
Example 2
The early warning and positioning method of the reservoir dam safety monitoring system provided in embodiment 1, as shown in fig. 2, includes:
step 1, physically partitioning a dam body of a reservoir dam, acquiring monitoring images of the dam by a camera in real time in each dam partition to obtain an original video, acquiring monitoring data of each dam by a dam safety monitoring sensor group in real time, and transmitting the monitoring data and the original video into a dam partition host;
the method specifically comprises the following steps: step 1-1, physical partitioning is carried out on a dam body of the dam, various dam safety monitoring sensors are placed in each partitioned dam and each reservoir, and deformation monitoring, permeation monitoring, compression monitoring, hydrologic monitoring, meteorological monitoring and the like are carried out on each partitioned dam; and (3) physically partitioning the dam body of the reservoir dam, arranging the dam safety monitoring sensors according to the area numbers of the reservoir dam, and sequencing and marking by taking the area numbers of the reservoir dam as the first characters.
Step 1-2, installing one or more cameras in each dam area, and numbering and distinguishing the cameras according to dam area numbers;
step 1-3, transmitting all data acquired by the dam safety monitoring sensors in step 1 into a host;
step 1-4, a camera acquisition end corresponding to each partition of the dam acquires a monitoring picture in real time, and an original picture of the corresponding partition is obtained;
step 2, configuring IP and port numbers of each camera in a central host program;
step 3, downloading the user names and passwords of all cameras in the host region of the dam partition into a central host program in a configuration mode;
step 4, the central host program logs in the cameras in the subareas through the IP address and the port number;
step 5, the central host computer obtains the configuration protocol package of the camera through analyzing the camera data stream;
step 6, analyzing the obtained camera configuration data and screening out geographic position information;
the geographical position information is collected by a dam safety monitoring sensor, and the geographical position additional information comprises time associated with a monitoring video, the state, the position, video and data of the dam, and the integrated picture is compressed into an MP4 video format for real-time storage. The state of the dam is real-time data collected by each monitoring sensor.
Step 7, the central host program uses program variables to replace geographical position information;
the specific process of the step 6 and the step 7 is as follows: the configuration protocol package analysis is directly carried out on the configuration protocol of the camera through the singlechip of the dam partition host computer, the geographic position protocol in the camera configuration protocol package is configured and analyzed, then the analyzed geographic position protocol is replaced by the coding variable (a plurality of coding variables) with corresponding formats,
for example, the encoded information of the IPC camera is captured by a string manipulation function as follows:
<？xml version＝"1.0"encoding＝"UTF-8"？>
<env:Envelope......>
......
</tt:H264>
......
</tt:H264>
......
</env:Envelope>
since H264 appears, the encoding mode of the camera is H264, and after acquiring the related information of the camera, the camera is directly operated by using the ONVIF protocol. The coding variable refers to that a program variable (the program variable data is consistent with the data acquired by each monitored sensor) is used for replacing a camera geographic position data protocol in the ONVIF protocol, and the camera is indirectly controlled so as to realize that each sensor data is uploaded to the camera through the HTTP so as to realize superposition.
The method comprises the steps that a coding variable is hooked with data collected by a dam safety monitoring sensor group, the coding variable is a program variable which is used for replacing a camera geographical position data protocol in an ONVIF protocol, the program variable data are consistent with the data collected by each monitored sensor, the geographical position protocol configuration in a camera configuration protocol packet is replaced by dam safety monitoring sensor group data corresponding to the format, and finally, a network uploading configuration mode is used for replacing a manual configuration mode to achieve the configuration effect of the camera.
After the above, the display of the camera is completed in a mode of overlapping not only the shot picture but also the sensor data text.
Step 8, the central host computer processes the deformation monitoring, the penetration monitoring, the compression monitoring, the hydrologic monitoring and the meteorological monitoring uploaded by the regional host computers in each area of the dam;
in step 8, the data processing is to convert the protocol data or analog data of the dam safety monitoring sensor group into digital variables, and assign the digital variables to the program variables.
After the analysis of the video camera transmission protocol is completed, the master control chip in the host computer configures the geographical position protocol in the video camera configuration protocol packet to be analyzed, then uses the coding variable corresponding to the video camera format to replace the analyzed geographical position protocol in the program, hooks the coding variable with the data acquired by the dam safety monitoring sensor group, and the geographical position protocol configuration in the video camera configuration protocol packet is replaced by the dam safety monitoring sensor group data corresponding to the format.
Step 9, after the processing of step 8, the central host superimposes the data acquired by the dam safety monitoring sensor group transmitted by each dam partition host onto all camera pictures in the dam partition where each partition host is located in an Ethernet mode, so that video data integration is realized; meanwhile, the early warning module judges the collected monitoring data and performs corresponding early warning and positioning;
and 10, after the host computers of all the dam partitions are uniformly scheduled by the central host computer to integrate video data in all the partitions, the central host computer displays the video data integrated pictures in real time, as shown in fig. 3, wherein the data comprise data for normal monitoring, early warning or alarming and are stored in a storage unit in real time, and meanwhile, data streams of the video and the data integrated pictures are packaged and sent to a central server.
The dam safety monitoring system provided by the invention can realize early warning and alarming of dam safety and rapid positioning of abnormal conditions, can realize superposition of video images and monitoring data, changes the colors of the characters and has corresponding early warning symbols when early warning occurs, can be sent to related personnel for rapid positioning, and is easier to intuitively store and retrieve by combining the images and the data.
In this embodiment, the real-time update frequency of the data of the dam safety monitoring sensor group acquisition end is kept the same as the speed of uploading the data of the dam partition host by the camera protocol, the data of the dam safety monitoring sensor acquisition end in each dam partition is uploaded to the corresponding camera area code, and the data appears in the video picture, and the data is in the form of Song body and white font. The cameras are in one-to-one correspondence with the dam partitions, and related personnel are positioned rapidly when the dam body is in early warning condition, so that timely processing is achieved.
The specific process of the early warning module for early warning or alarming is as follows:
when the monitoring data does not exceed the set early warning value, the monitoring data is displayed as a Song body and a white font;
when the monitoring data is equal to the set early warning value, displaying the monitoring data as Song body and yellow font, starting a yellow flash lamp for early warning, and sending a mobile phone short message to related personnel by a 4G module of a central host for early warning;
when the monitoring data is equal to the set early warning value, the monitoring data is displayed as Song body and red font, a red flash lamp is started to alarm, and a 4G module of the central host computer sends telegrams, telephone short messages and the like to related personnel to alarm.
When each device for monitoring the reservoir dam carries out early warning or alarming through the central host, a worker can take video and data integrated pictures during early warning or alarming, can quickly locate the actual position of the dam reality according to the dam partition number and each sensor number, and can quickly determine the abnormal point of the dam according to the dam number.
The video data integrated picture during early warning or alarming is called, and the specific steps comprise:
step S1, determining a time period of a video to be called and a data integrated video;
step S2, video data is called on a player according to the determined time period;
step S3, the video displays the video camera monitoring picture of the time period and the data monitored by each dam safety monitoring sensor in real time;
and S4, reading the video and data integrated picture, and then analyzing or storing.
Example 3
The method for early warning and positioning of the reservoir dam safety monitoring system provided in embodiment 1 is different from the method provided in embodiment 2 in that:
the method further comprises the steps of:
step 11, a central server remotely monitors the related state of the dam, and establishes a dam 3D model according to the dam on the map to perform related partition operation; when the dam early warning module carries out dam early warning or alarming, the central server locates the dam partition according to the dam model on the map, and then the video and data integrated picture is displayed in real time by the camera where the dam partition is located, so that remote real-time monitoring is realized.
Specifically, as shown in fig. 4, after determining the position of the reservoir dam from the map, the dam enters the 3D horizontal model of the dam, as shown in fig. 5, then the dam real scene subareas are entered according to clicking of each subarea, at this time, the image captures video by using the cameras in the dam subareas clicked by the star, and the captured video is also presented with the data interchange condition of various sensors, so that the video and data integrated analysis effect is achieved.
The system can realize remote monitoring from macroscopic level to microscopic level, locate the dam on a map of a system network, enter a 3D dam model, click dam alarm coordinates, and the dam real scene picture shot by the corresponding camera is provided with various monitoring information and alarm information of the dam, so that a real-time place can be quickly located.
Claims (10)
1. The reservoir dam safety monitoring system based on video and data integration is characterized by comprising a dam safety monitoring sensor group, a camera, a communication unit, a dam partition host, a storage unit, a central host and a central server, wherein an early warning module is arranged in the dam partition host;
a plurality of cameras, a dam safety monitoring sensor group, a communication unit and a dam partition host are arranged in each dam partition; the dam partition hosts are connected with the central host, and the central host is respectively connected with the storage unit and the central server;
the dam safety monitoring sensor group is used for monitoring deformation, permeation, compression and hydrologic and meteorological data in a dam body of the dam, and summarizing and inputting the monitored data to the dam partition host through the communication unit; the video camera is used for shooting videos of all area positions of the dam, transmitting the videos to the dam partition host, superposing data and the videos in the dam partition host, integrating the videos and the data, inputting the integrated video data to the central host for real-time display, storing the integrated video data in the storage unit and uploading the integrated video data to the central server;
when the monitoring data is equal to or exceeds a set threshold value, the early warning module sends out an alarm or early warning signal, the dam partition host machine receives the signal of the early warning module to alarm or early warn, and meanwhile, the signal is sent to the central host machine to alarm or early warn at the same time, and in the central host machine, the accident point is positioned according to the superimposed data in the integrated video data.
2. The reservoir dam safety monitoring system based on video and data integration according to claim 1, wherein the video camera is used for data transmission with a dam partition host through an Ethernet or 4g communication module.
3. The reservoir dam safety monitoring system based on video and data integration according to claim 1, wherein the built-in main control chip of the dam partition host adopts a single chip microcomputer chip, and a peripheral chip with a MAC address and a physical layer port is used for achieving the requirement of Ethernet connection, and the peripheral chip is communicated with the single chip microcomputer chip through an SPI interface or an FSMC interface.
4. A method of pre-warning and locating a reservoir dam safety monitoring system according to any of claims 1-3, comprising:
step 1, physically partitioning a dam body of a reservoir dam, acquiring monitoring images of the dam by a camera in real time in each dam partition to obtain an original video, acquiring monitoring data of each dam by a dam safety monitoring sensor group in real time, and transmitting the monitoring data and the original video into a dam partition host;
step 2, configuring IP and port numbers of each camera in a central host program;
step 3, downloading the user names and passwords of all cameras in the host region of the dam partition into a central host program in a configuration mode;
step 4, the central host program logs in the cameras in the subareas through the IP address and the port number;
step 5, the central host computer obtains the configuration protocol package of the camera through analyzing the camera data stream;
step 6, analyzing the obtained configuration protocol packet of the camera, and screening out geographic position information;
step 7, the central host program uses program variables to replace geographical position information;
step 8, the central host computer processes the deformation monitoring, the penetration monitoring, the compression monitoring, the hydrologic monitoring and the meteorological monitoring uploaded by the regional host computers in each area of the dam;
step 9, through the processing of step 8, the central host superimposes the data collected by the dam safety monitoring sensor group transmitted by each dam partition host onto all camera pictures in the dam partition where each partition host is located, so as to realize video data integration; meanwhile, the early warning module judges the collected monitoring data and performs corresponding early warning and positioning;
and step 10, after the host computers of all the dam subareas are uniformly scheduled by the central host computer to realize the integration of video data in all the subareas, the central host computer displays the video data integration pictures in real time and stores the video data integration pictures in a storage unit in real time, and simultaneously packages and transmits the data streams of the video and the data integration pictures to the central server.
5. The method for early warning and positioning of a dam safety monitoring system of claim 4, wherein the real-time update frequency of the data of the collecting end of the dam safety monitoring sensor group is kept the same as the speed of uploading the data of the dam partition host machine by the camera protocol, the data of the collecting end of the dam safety monitoring sensor group in each dam partition is uploaded to the corresponding camera area code, and the data are displayed in a video picture, and the data are in the form of Song body and white fonts.
6. The method for early warning and positioning of a reservoir dam safety monitoring system according to claim 4, wherein the specific process of step 6 and step 7 is as follows: the configuration protocol package analysis is directly carried out on the configuration protocol of the camera through the singlechip of the dam partition host computer, the geographical position protocol in the camera configuration protocol package is configured and analyzed, then the analyzed geographical position protocol is replaced by the coding variable corresponding to the format, the coding variable is replaced by the program variable which is replaced by the geographical position data protocol of the camera in the ONVIF protocol, the program variable data is consistent with the data acquired by each monitored sensor, the geographical position protocol configuration in the camera configuration protocol package is replaced by the data monitored by the dam safety monitoring sensor group corresponding to the format, and finally the configuration effect on the camera is realized by replacing the manual configuration mode by the network uploading configuration mode.
7. The method for pre-warning and positioning a dam safety monitoring system according to claim 4, wherein in step 8, the data processing is to convert the protocol data or analog data of the dam safety monitoring sensor group into digital variables, and the digital variables are given to the program variables, so that the geographical position information in the configuration protocol packet of the camera is replaced by the data of the dam safety monitoring sensor group corresponding to the format.
8. The method for pre-warning and locating a reservoir dam safety monitoring system according to claim 4, wherein said pre-warning and locating method further comprises: step 11, a central server remotely monitors the related state of the dam, and establishes a dam 3D model according to the dam on the map to perform related partition operation; when the dam early warning module carries out dam early warning or alarming, the central server locates the dam partition according to the dam model on the map, and then the video and data integrated picture is displayed in real time by the camera where the dam partition is located, so that remote real-time monitoring is realized.
9. The method for early warning and positioning of a reservoir dam safety monitoring system according to claim 4, wherein the specific process of early warning or alarming by the early warning module is as follows:
when the monitoring data does not exceed the set early warning value, the monitoring data is displayed as a Song body and a white font;
when the monitoring data is equal to the set early warning value, displaying the monitoring data as Song body and yellow font, starting a yellow flash lamp for early warning, and sending a mobile phone short message to related personnel by a 4G module of a central host for early warning;
when the monitoring data is equal to the set early warning value, the monitoring data is displayed as Song body and red font, a red flash lamp is started to alarm, and a 4G module of the central host computer sends telegrams, telephone short messages and the like to related personnel to alarm.
10. The early warning and positioning method for the reservoir dam safety monitoring system according to claim 4, wherein when each device for monitoring the reservoir dam carries out early warning or alarming through a central host, a worker can take video and data integrated pictures during early warning or alarming, can quickly position the actual position of the dam reality according to the dam partition number and each sensor number, and can quickly determine abnormal points of the dam according to the dam number;
further preferably, the video data integrated picture in early warning or alarming is called, and the specific steps include:
step S1, determining a time period of a video to be called and a data integrated video;
step S2, video data is called on a player according to the determined time period;
step S3, the video displays the video camera monitoring picture of the time period and the data monitored by each dam safety monitoring sensor in real time;
and S4, reading the video and data integrated picture, and then analyzing or storing.
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