CN112378373A - Road surface settlement and accumulated water monitoring system and method based on intelligent lamp pole - Google Patents
Road surface settlement and accumulated water monitoring system and method based on intelligent lamp pole Download PDFInfo
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- CN112378373A CN112378373A CN202011212893.8A CN202011212893A CN112378373A CN 112378373 A CN112378373 A CN 112378373A CN 202011212893 A CN202011212893 A CN 202011212893A CN 112378373 A CN112378373 A CN 112378373A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
Abstract
The invention belongs to the technical field of road safety monitoring, and particularly relates to a road surface settlement and accumulated water monitoring system and method based on an intelligent lamp pole. The monitoring system comprises a camera, a liquid level sensor, a rainfall sensor, a satellite positioning module, an information broadcasting display module, a data conversion module, a clock module, a database, an intelligent lamp pole gateway module, a wireless communication module, a wired internet module, a central processing unit and the like. By the system and the corresponding method, the system can meet the requirement of monitoring the settlement and the accumulated water of the road surface in a large range, realize the high-precision real-time monitoring of the position, the settlement depth and the accumulated water depth of the road surface settlement and accumulated water area, and have low use and maintenance cost. The invention can also issue multilevel alarms of road surface settlement and accumulated water in time, upload and backup the monitoring data to the cloud, and facilitate the reading and research of the monitoring data. In a word, the invention has the advantages of good technical effect, low use and maintenance cost and convenient popularization and application.
Description
Technical Field
The invention belongs to the technical field of road safety monitoring, and particularly relates to a road surface settlement and accumulated water monitoring system and method based on an intelligent lamp pole.
Background
The road subsides and the ponding phenomenon has great potential safety hazard, and road surface subsides and surface ponding lead to malignant traffic safety accident easily, consequently need subside and surface ponding to the road surface and carry out monitoring and early warning.
The existing road surface settlement and road surface water accumulation monitoring, especially the urban road surface settlement and road surface water accumulation monitoring, mainly adopts a method of pre-embedding a road surface settlement monitoring sensor and a liquid level sensor, the monitoring road section range of the method is smaller, the monitoring area is distributed in scattered points, the positions of the road surface settlement and water accumulation area, the settlement depth and the water accumulation depth can not be fully monitored, the incident information which is not beneficial to road safety, such as the road surface settlement disaster, the road surface serious water accumulation and the like, can not be issued to the outside in time, the storage and backup of the monitoring data are not convenient, and the use and maintenance cost is higher.
In order to overcome the defects that the monitoring road section range is small and the monitoring area is distributed in a scattered manner in the prior art, technical schemes that monitoring devices are installed on flight equipment such as hot air balloons and airships or the conditions of road surface settlement and road surface water accumulation are monitored by utilizing a satellite remote sensing technology and a ground penetrating radar technology are provided by technical personnel in the field. However, these solutions also have some drawbacks: for example, the technical solutions of installing monitoring devices on hot air balloons and airships are not only costly to use and maintain, but also difficult to ensure uninterrupted detection; for another example, the monitoring result obtained by the satellite remote sensing technology is relatively macroscopic, and still needs to be combined with other monitoring technologies to obtain an ideal technical effect; for another example, in cities with dense pedestrian flow and traffic flow, the use of ground penetrating radar technology has great limitation.
Disclosure of Invention
The invention aims to effectively solve the defects of small range of the monitored road section and scattered distribution of the monitored area in the prior art with relatively low use and maintenance cost. The purpose of the invention is realized by the following technical scheme:
the utility model provides a road surface subsides, ponding monitoring system based on wisdom lamp pole, includes: the intelligent lamp post gateway comprises a camera, a liquid level sensor, a rainfall sensor, a satellite positioning module, an information broadcasting display module, a data conversion module, a clock module, a database, an intelligent lamp post gateway module and a central processing unit; the camera, the satellite positioning module, the clock module and the database are respectively in communication connection with the central processing unit, and the liquid level sensor and the rainfall sensor are respectively in communication connection with the central processing unit through the data conversion module; the central processing unit, the intelligent lamp pole gateway module and the information broadcasting display module are in communication connection with each other.
On the basis of the technical scheme, the technical scheme can be limited by adopting the following technical means so as to better or more specifically solve the technical problems to be solved by the invention:
wisdom lamp pole gateway module still respectively with wireless communication module, wired internet module communication connection, monitoring data accessible wisdom lamp pole gateway module in the database uploads backup to high in the clouds server via wireless communication module, wired internet module.
Preferably, camera, level sensor, rainfall sensor, satellite positioning module, wireless communication module, information broadcast display module carry and install on the other wisdom lamp pole body of the road, clock module, data conversion module, central processing unit, database, wisdom lamp pole gateway module, wired internet module integration are installed inside the wisdom lamp pole body of the body.
Preferably, the information broadcast display module includes information broadcast speaker and information issuing display screen, the satellite positioning module is big dipper orientation module, wireless communication module is 4G or 5G wireless communication module.
Preferably, the camera is a CCD or CMOS binocular camera.
Preferably, the level sensor is an ultrasonic level sensor.
The invention also provides a method for monitoring the road surface settlement and the accumulated water, which comprises the working steps of collecting, storing, processing and displaying the information of the road surface settlement and the accumulated water.
Further, the taking, storing, processing and displaying of the road surface settlement and the accumulated water information are realized through the following steps:
step 1: after the wisdom lamp pole installation finishes, place black and white chess board check calibration board in the ground area that the camera monitored, the inside and outside parameter of two mesh cameras of demarcation, remove black and white chess board check calibration board after the demarcation, ultrasonic wave level sensor measures the distance on the dry road surface of no ponding, marks ultrasonic wave level sensor's zero liquid level height output potential.
Step 2: under the control of the central processing unit, reading the output time data of the current clock module, acquiring initial ground images by the left camera and the right camera of the binocular camera, obtaining a pair of left camera and right camera images on the ground, submitting the pair of the cameras to the central processing unit according to a three-dimensional matching reconstruction function for solving and calculating, and obtaining a three-dimensional coordinate graph of the initial state of the road surface, wherein the three-dimensional coordinate graph of the initial state of the road surface and the image acquisition time label are stored in the database.
Step 3-1: under the control of the central processing unit, reading the output time data of the current clock module, acquiring ground images in real time by the binocular camera at a fixed frame rate, acquiring real-time left and right camera image pairs of the ground, submitting the image pairs to the central processing unit according to a three-dimensional matching reconstruction function for solving and calculating, and acquiring a three-dimensional coordinate graph of the real-time state of the road surface, wherein the three-dimensional coordinate graph of the real-time state of the road surface and the image acquisition time tag are stored in the database.
Step 3-2: and under the control of the central processing unit, calculating and comparing the coordinate difference value of each pixel point of the three-dimensional coordinate graph of the real-time state of the road surface and the three-dimensional coordinate graph of the initial state of the road surface, and recording the settlement depth of each pixel point to obtain a road surface settlement displacement field.
Step 3-3: and (3) comparing the settlement depth in the step (3-2) with a preset settlement threshold value, judging whether each pixel point is a settlement region or not, marking the pixel points of the settlement region, performing opening operation and closing operation on the pixels of the settlement region to obtain a communicated settlement region, and calculating the area of the communicated settlement region.
Step 3-4: comparing the settlement depth in the step 3-2 and the area of the communicated settlement area in the step 3-3 with a preset three-level pavement settlement alarm threshold, wherein the three-level alarm is respectively slight settlement, moderate settlement and severe settlement, so as to judge whether to send out a pavement settlement alarm and what kind of pavement settlement alarm should be sent out:
(1) if the road surface settlement monitoring data meet the light settlement alarm threshold condition, the central processing unit sends the road surface light settlement alarm together with the Beidou positioning coordinate and time of the intelligent lamp post to the intelligent lamp post gateway module, and the intelligent lamp post gateway module issues road surface light settlement alarm information and the intelligent lamp post road section position to the urban traffic road administration department through the wired internet module;
(2) if the road surface settlement monitoring data meet the moderate settlement alarm threshold condition, the central processing unit sends the road surface moderate settlement alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues road surface moderate settlement alarm information and the position of the road section of the intelligent lamp post to the urban traffic road administration department through the wired internet module, and the central processing unit controls the information broadcasting loudspeaker and the information issuing display screen to issue the road surface moderate settlement information;
(3) if the road surface settlement monitoring data accords with the serious settlement alarm threshold condition, the central processing unit sends a road surface serious settlement alarm together with Beidou positioning coordinates and time of a lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues road surface serious settlement alarm information and a position of a section of the intelligent lamp post to an urban traffic road administration management department through the wired internet module, issues information of a disaster caused by road surface serious settlement and the position of the section of the intelligent lamp post to a mobile communication terminal in a communication range through the wireless communication module, and controls the information broadcasting loudspeaker and the information issuing display screen to issue the road surface serious settlement information;
otherwise, turning to the step 3-1, and repeating the step 3-1 to the step 3-4 to monitor the pavement settlement.
Step 4-1: the output electric signals of the liquid level sensor and the rainfall sensor are converted into numerical data through the data conversion module, the central processing unit reads the numerical readings of the liquid level sensor and the rainfall sensor from the data conversion module and controls the information issuing display screen to display the road area water depth and the real-time rainfall, and the road surface water depth and the real-time rainfall data are stored in the database together with the data acquisition time tag.
Step 4-2: comparing the numerical data of the liquid level sensor in the step 4-1 with a preset three-level surface water alarm threshold value, wherein the three-level alarm is light water accumulation, medium water accumulation and severe water accumulation respectively, so as to judge whether to send out a surface water alarm and what kind of surface water alarm should be sent out:
(1) if the surface water accumulation monitoring data meets the threshold condition of the light water accumulation alarm, the central processing unit sends the surface light water accumulation alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues surface light water accumulation alarm information and the position of the intelligent lamp post road section to the urban traffic road administration department through the wired internet module, and the central processing unit controls the information broadcast loudspeaker and the information issuing display screen to issue the surface light water accumulation alarm;
(2) if the surface water monitoring data meet the medium water alarm threshold condition, the central processing unit sends the surface medium water alarm together with the Beidou positioning coordinate and time of the intelligent lamp pole to the intelligent lamp pole gateway module, the intelligent lamp pole gateway module issues surface medium water alarm information and the position of the intelligent lamp pole section to the urban traffic administrative department through the wired internet module, and the central processing unit controls the information broadcast loudspeaker and the information issuing display screen to issue the surface medium water alarm;
(3) if the road surface ponding monitoring data meets the serious ponding alarm threshold condition, the central processing unit sends the road surface serious ponding alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues road surface serious ponding alarm information and the road section position of the intelligent lamp post to the urban traffic road administration department through the wired internet module, issues the road surface serious ponding alarm information and the road section position of the lamp post to a mobile communication terminal in a communication range through the wireless communication module, and the central processing unit controls the information broadcasting loudspeaker and the information issuing display screen to send out the road surface serious ponding alarm;
otherwise, turning to the step 4-1, and repeating the step 4-1 to the step 4-2 to monitor the surface water.
Preferably, when the intelligent lamp pole is used for monitoring road surface settlement and road surface water accumulation, the step 3-1 and the step 4-1 are carried out simultaneously.
Further, three road surface settlement alarm threshold conditions are preset in the central processing unit, the three road surface settlement alarm threshold conditions correspond to three alarm levels, and the three alarm levels correspond to three sets of alarm schemes respectively.
Furthermore, three road surface ponding alarm threshold conditions are preset in the central processing unit, the three road surface ponding alarm threshold conditions correspond to three alarm levels, and the three alarm levels correspond to three sets of alarm schemes respectively.
Further, the real-time three-dimensional state coordinate graph of road surface in two arbitrary time points in order to get the real-time three-dimensional state of road surface that the wisdom lamp pole execution road surface subsides monitoring task in the high in the clouds server accessible calculates the road surface subsides displacement field and the rate of subsiding in two time points.
The invention has the following beneficial effects:
according to the invention, various sensors and related components for monitoring pavement settlement and water accumulation are mounted by fully utilizing the intelligent lamp posts widely distributed on two sides of the road, so that the cost is reduced, and the settlement and water accumulation phenomena of the pavement in a large range can be monitored. Particularly, by adopting non-contact measuring technologies such as a binocular camera, an ultrasonic liquid level sensor and the like and combining a satellite positioning module mounted on a smart lamp post, the monitoring system provided by the invention can carry out high-precision real-time monitoring on the position, the settlement depth and the ponding depth of a road settlement and ponding area, and a central processing unit can control an information broadcasting loudspeaker, an information issuing display screen and a 4G or 5G wireless communication module carried on the smart lamp post to issue road settlement and ponding alarm information to nearby road users and send the road settlement and ponding alarm information to a traffic administration department or a platform through a wired internet module, so that the road settlement and the rapid issuing of the ponding alarm information are realized, the monitoring data of a smart lamp post database can be uploaded to a cloud server, the storage and backup of the monitoring data are convenient, and the subsequent reading research on the road settlement and the ponding monitoring data is facilitated, binocular camera and ultrasonic wave level sensor are the mounting equipment of wisdom lamp pole, use the maintenance cost low. In a word, the invention can effectively monitor pavement settlement and pavement accumulated water, has low use and maintenance cost and is convenient for popularization and application.
Drawings
FIG. 1 is a schematic system architecture of one embodiment of the present invention;
FIG. 2 is an external structural view of an embodiment of the present invention;
FIG. 3-1 is a logical block diagram of a computer program controlling the operation of one embodiment of the present invention;
3-2 is a logic block diagram of a ground subsidence alarm subroutine in a computer program corresponding to FIG. 3-1;
fig. 3-3 is a logic block diagram of a surface water alarm subroutine in the computer program corresponding to fig. 3-1.
In the figure: 1-a rainfall sensor; 2-a Beidou positioning module;
3-4G or 5G wireless communication module; 4, a camera;
5, an information broadcasting loudspeaker; 6-intelligent lamp post body;
7-information release display screen; 8-liquid level sensor.
Detailed Description
The following describes a technical solution and an operating method thereof according to an embodiment of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 and combine fig. 2, a road surface subsides based on wisdom lamp pole, ponding monitoring system includes: the intelligent lamp post gateway comprises a camera 4, a liquid level sensor 8, a rainfall sensor 1, a Beidou positioning module 2, an information broadcasting loudspeaker 5, an information issuing display screen 7, a data conversion module, a clock module, a database, an intelligent lamp post gateway module and a central processing unit; the camera, the satellite positioning module, the clock module, the database and the intelligent lamp pole gateway module are respectively in communication connection with the central processing unit; the liquid level sensor and the rainfall sensor are respectively in communication connection with the central processing unit through the data conversion module; the information broadcasting loudspeaker 5 and the information publishing display screen 7 are respectively in communication connection with the central processing unit and the intelligent lamp pole gateway module; the intelligent lamp pole gateway module is in communication connection with the 4G or 5G wireless communication module 3 and the wired internet module respectively.
In this embodiment, camera 4, level sensor 8, rainfall sensor 1, big dipper orientation module 2, 4G or 5G wireless communication module 3, information display device carry and install on the smart lamp pole body 6 of the roadside, clock module, data conversion module, central processing unit, database, smart lamp pole gateway module, wired internet module integration are installed inside the smart lamp pole body of the body 6.
Preferably, camera 4 is CCD binocular camera, and camera 4 installs on 6 upper portions of the wisdom lamp pole body, and the monitoring road surface is aimed at to the installation direction.
Preferably, level sensor 8 is ultrasonic wave level sensor, and level sensor 8 installs at 6 outsides of the wisdom lamp pole body, and the mounting height is 1.5 meters departments apart from the monitoring road surface, and the sensor ultrasonic wave sends the direction and is perpendicular with the monitoring road surface.
The structural features of an embodiment of the present invention are described above with reference to the accompanying drawings, and the working method thereof is further described below, including the steps of:
step 1: after the wisdom lamp pole installation finishes, put black and white chess board check calibration board in camera 4 monitoring ground area, the inside and outside parameter of two mesh cameras of demarcation, remove black and white chess board check calibration board after the demarcation, ultrasonic wave level sensor 8 measures the distance on dry road surface of no ponding, the output potential of the zero ponding height in road surface of demarcation ultrasonic wave level sensor 8.
Step 2: under the control of a central processing unit, reading time data output by a current clock module, simultaneously acquiring initial ground images by a left camera and a right camera of a CCD binocular camera 4, obtaining a pair of left camera and right camera images on the ground, submitting the pair of the cameras to the central processing unit according to a three-dimensional matching reconstruction function for solving and calculating, and obtaining a three-dimensional coordinate graph of the initial state of the road surface, wherein the three-dimensional coordinate graph of the initial state of the road surface and an image acquisition time label are stored in a database.
Step 3-1: under the control of a central processing unit, reading time data output by a current clock module, acquiring ground images in real time by a CCD binocular camera 4 at a fixed frame rate of 1 frame/second, acquiring real-time left and right camera image pairs of the ground, submitting the image pairs to the central processing unit according to a three-dimensional matching reconstruction function for solving and calculating, and acquiring a three-dimensional coordinate graph of a real-time state of a road surface, wherein the three-dimensional coordinate graph of the real-time state of the road surface and an image acquisition time label are stored in a database.
Step 3-2: under the control of the central processing unit, calculating and comparing the coordinate difference value of each pixel point of the road surface real-time state three-dimensional coordinate graph and the road surface initial state three-dimensional coordinate graph, recording the settlement depth of each pixel point, and obtaining the road surface settlement displacement field.
Step 3-3: and (3) comparing the settlement depth in the step (3-2) with a preset settlement depth threshold value of 5 mm, judging whether each pixel point is a settlement area or not, marking the pixel points in the settlement area, performing opening operation and closing operation on the pixels in the settlement area to obtain a communicated settlement area, and calculating the area of the communicated settlement area.
Step 3-4: comparing the settlement depth in the step 3-2 and the area of the communicated settlement area in the step 3-3 with a preset three-level pavement settlement alarm threshold, wherein the three-level alarm is respectively slight settlement, moderate settlement and severe settlement, so as to judge whether to send out a pavement settlement alarm and what kind of pavement settlement alarm should be sent out:
(1) if the road surface settlement monitoring data meets the condition of a slight settlement alarm threshold value: the settlement depth is larger than 10 mm, and the area of the settlement area is larger than 2 square meters, the central processing unit sends the road surface slight settlement alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, and the intelligent lamp post gateway module issues road surface slight settlement alarm information and the position of the intelligent lamp post road section to the urban traffic road administration department through the wired internet module;
(2) if the road surface settlement monitoring data meets the moderate settlement alarm threshold condition: the settlement depth is larger than 50 mm, and the area of the settlement area is larger than 1 square meter, the central processing unit sends a pavement moderate settlement alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues pavement moderate settlement alarm information and the position of the lamp post road section to the urban traffic road administration department through the wired internet module, and the central processing unit controls the information broadcasting loudspeaker 5 and the information issuing display screen 7 to issue the pavement moderate settlement alarm information to remind passing vehicles to pay attention to speed reduction;
(3) if the road surface settlement monitoring data meets the serious settlement alarm threshold condition: the settlement depth is more than 100 mm, and the area of the settlement area is more than 0.5 square meter, then the central processing unit sends the alarm of serious pavement settlement together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues the alarm information of serious pavement settlement and the position of the lamp post road section to the urban traffic road administration department through the wired internet module, and issues the disaster information of serious pavement settlement and the position of the lamp post road section to the mobile communication terminal in the communication range through the 4G or 5G wireless communication module 3, and the central processing unit controls the information broadcast loudspeaker 5 and the information issue display screen 7 to issue the alarm information of serious pavement settlement, so as to remind the passing pedestrians and vehicles to avoid passing through the road section;
otherwise, turning to the step 3-1, and repeating the step 3-1 to the step 3-4 to carry out pavement settlement detection.
Step 4-1: the output electric signals of the liquid level sensor 8 and the rainfall sensor 1 are converted into numerical data through the data conversion module, the central processing unit reads the numerical readings of the liquid level sensor 8 and the rainfall sensor 1 from the data conversion module and controls the information release display screen 7 to display the depth of the surface gathered water and the real-time rainfall, and the depth of the surface gathered water and the real-time rainfall data are stored in the database together with the data acquisition time tag.
Step 4-2: comparing the numerical data of the liquid level sensor in the step 4-1 with a preset three-level surface water alarm threshold value, wherein the three-level alarm is light water accumulation, medium water accumulation and severe water accumulation respectively, so as to judge whether to send out a surface water alarm and what kind of surface water alarm should be sent out:
(1) if the surface water monitoring data meets the condition of a slight water alarm threshold value: the accumulated water depth is larger than 30 mm and smaller than 50 mm, the central processing unit sends the light road surface accumulated water alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues light road surface accumulated water alarm information and the position of the lamp post road section to the urban traffic road administration department through the wired internet module, and the central processing unit controls the information broadcast loudspeaker 5 and the information issue display screen 7 to issue the light road surface accumulated water alarm;
(2) if the surface water monitoring data meets the medium water alarm threshold condition: the depth of the accumulated water is larger than 50 mm and smaller than 100 mm, the central processing unit sends the moderate accumulated water alarm on the road surface together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues the moderate accumulated water alarm on the road surface and the position of the lamp post road section to the urban traffic road administration department through the wired internet module, and the central processing unit controls the information broadcasting loudspeaker 5 and the information issuing display screen 7 to issue the moderate accumulated water alarm on the road surface;
(3) if the surface water monitoring data meets the serious water alarm threshold condition: the depth of the accumulated water is greater than 100 mm, the central processing unit sends a road surface severe accumulated water alarm together with the Beidou positioning coordinate and time of the intelligent lamp pole to the intelligent lamp pole gateway module, the intelligent lamp pole gateway module issues road surface severe accumulated water alarm information and lamp pole section positions to an urban traffic administration department through the wired internet module, issues road surface severe accumulated water occurrence information and intelligent lamp pole section positions to a mobile communication end in a communication range through the 4G or 5G wireless communication module 3, and controls the information broadcasting loudspeaker 5 and the information issuing display screen 7 to issue road surface severe accumulated water alarm information to remind nearby pedestrians and vehicles to avoid passing the road section;
otherwise, turning to the step 4-1, and repeating the step 4-1 to the step 4-2 to monitor the surface water.
In this embodiment, the wisdom lamp pole is gone on simultaneously to the monitoring of road surface settlement and surface gathered water. Data accessible wisdom lamp pole gateway module in the database uploads the backup to high in the clouds server via 4G or 5G wireless communication module 3 and wired internet module in real time to later stage looks up the research. The real-time three-dimensional state coordinate graph of road surface in order to come arbitrary two time points of road surface settlement monitoring task is carried out to the high in the clouds server accessible calling wisdom lamp pole, calculates the road surface settlement displacement field and the settlement rate in two time points.
The above-mentioned operation steps are performed under the control of a computer program as shown in fig. 3-1, 3-2, and 3-3, wherein a logic block diagram of the computer program is shown in fig. 3-1, a logic block diagram of a surface subsidence warning subroutine in the computer program is shown in fig. 3-2, and a logic block diagram of a surface water warning subroutine in the computer program is shown in fig. 3-3.
Claims (10)
1. A road surface settlement and accumulated water monitoring system based on a smart lamp pole comprises a camera, a liquid level sensor, a rainfall sensor, a satellite positioning module, an information broadcasting display module, a data conversion module, a clock module, a database, a smart lamp pole gateway module and a central processing unit; the camera, the satellite positioning module, the clock module and the database are respectively in communication connection with the central processing unit; the liquid level sensor and the rainfall sensor are respectively in communication connection with the central processing unit through the data conversion module; the central processing unit, the intelligent lamp pole gateway module and the information broadcasting display module are in communication connection with each other.
2. The road surface settlement, ponding monitoring system based on wisdom lamp pole of claim 1 characterized in that: wisdom lamp pole gateway module respectively with wireless communication module, wired internet module communication connection, monitoring data accessible wisdom lamp pole gateway module in the database uploads backup to high in the clouds server via wireless communication module, wired internet module.
3. The road surface settlement, ponding monitoring system based on wisdom lamp pole of claim 2 characterized in that: camera, level sensor, rainfall sensor, satellite positioning module, wireless communication module, information broadcast display module carry and install on the other wisdom lamp pole body of rod of road, clock module, data conversion module, central processing unit, database, wisdom lamp pole gateway module, wired internet module integration are installed inside the wisdom lamp pole body of rod.
4. The road surface settlement, ponding monitoring system based on wisdom lamp pole of claim 2 characterized in that: the information broadcasting display module comprises an information broadcasting loudspeaker and an information publishing display screen, the satellite positioning module is a Beidou positioning module, and the wireless communication module is a 4G or 5G wireless communication module.
5. Road surface settlement, ponding monitoring system based on wisdom lamp pole as claimed in any one of claim 1 to 4, characterized by: the camera is a CCD or CMOS binocular camera, and the liquid level sensor is an ultrasonic liquid level sensor.
6. A pavement settlement and accumulated water monitoring method is characterized by comprising the following steps: the intelligent lamp pole-based road surface settlement and water accumulation monitoring system is used for timely monitoring the road surface settlement and water accumulation conditions and comprises the working steps of collecting, storing, processing and displaying road surface settlement and water accumulation information.
7. The method for monitoring road surface settlement and water accumulation as claimed in claim 6, wherein the taking, storing, processing and displaying of the information of the road surface settlement and water accumulation is realized by the following steps:
step 1: after the intelligent lamp post is installed, a black-and-white checkerboard calibration plate is placed in a ground area monitored by a camera, internal and external parameters of a binocular camera are calibrated, the black-and-white checkerboard calibration plate is removed after calibration, an ultrasonic liquid level sensor measures the distance of a waterless dry road surface, and the zero liquid level height output potential of the ultrasonic liquid level sensor is calibrated;
step 2: under the control of the central processing unit, reading current time data output by the clock module, acquiring initial ground images by left and right cameras of the binocular camera, obtaining a pair of left and right camera images on the ground, submitting the pair of images to the central processing unit according to a three-dimensional matching reconstruction function for solving and calculating, and obtaining a three-dimensional coordinate graph of an initial state of the road surface, wherein the three-dimensional coordinate graph of the initial state of the road surface and an image acquisition time label are stored in the database;
step 3-1: under the control of the central processing unit, reading the output time data of the current clock module, acquiring ground images in real time by the binocular camera at a fixed frame rate, obtaining real-time left and right camera image pairs of the ground, submitting the image pairs to the central processing unit according to a three-dimensional matching reconstruction function for solving and calculating, and obtaining a three-dimensional coordinate graph of the real-time state of the road surface, wherein the real-time state three-dimensional coordinate graph of the road surface and an image acquisition time label are stored in the database;
step 3-2: under the control of the central processing unit, calculating and comparing coordinate difference values of all pixel points of the three-dimensional coordinate graph of the real-time state of the road surface and the three-dimensional coordinate graph of the initial state of the road surface, and recording the settlement depth of all the pixel points to obtain a road surface settlement displacement field;
step 3-3: comparing the settlement depth obtained in the step 3-2 with a preset settlement threshold value, judging whether each pixel point is a settlement region or not, marking the pixel points of the settlement region, performing opening operation and closing operation on the pixels of the settlement region to obtain a communicated settlement region, and calculating the area of the communicated settlement region;
step 3-4: comparing the settlement depth in the step 3-2 and the area of the communicated settlement area in the step 3-3 with a preset three-level pavement settlement alarm threshold, wherein the three-level alarm is respectively slight settlement, moderate settlement and severe settlement, so as to judge whether to send out a pavement settlement alarm and what kind of pavement settlement alarm should be sent out:
(1) if the road surface settlement monitoring data meet the light settlement alarm threshold condition, the central processing unit sends the road surface light settlement alarm together with the Beidou positioning coordinate and time of the intelligent lamp post to the intelligent lamp post gateway module, and the intelligent lamp post gateway module issues road surface light settlement alarm information and the intelligent lamp post road section position to the urban traffic road administration department through the wired internet module;
(2) if the road surface settlement monitoring data meet the moderate settlement alarm threshold condition, the central processing unit sends the road surface moderate settlement alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues road surface moderate settlement alarm information and the position of the road section of the intelligent lamp post to the urban traffic road administration department through the wired internet module, and the central processing unit controls the information broadcasting loudspeaker and the information issuing display screen to issue the road surface moderate settlement information;
(3) if the road surface settlement monitoring data accords with the serious settlement alarm threshold condition, the central processing unit sends a road surface serious settlement alarm together with Beidou positioning coordinates and time of a lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues road surface serious settlement alarm information and a position of a section of the intelligent lamp post to an urban traffic road administration management department through the wired internet module, issues information of a disaster caused by road surface serious settlement and the position of the section of the intelligent lamp post to a mobile communication terminal in a communication range through the wireless communication module, and controls the information broadcasting loudspeaker and the information issuing display screen to issue the road surface serious settlement information;
otherwise, turning to the step 3-1, and repeating the steps 3-1 to 3-4 to monitor the pavement settlement;
step 4-1: the central processing unit reads the numerical readings of the liquid level sensor and the rainfall sensor from the data conversion module and controls an information release display screen to display the road area water depth and the real-time rainfall, and the road surface water depth and the real-time rainfall data are stored in the database together with a data acquisition time label;
step 4-2: comparing the numerical data of the liquid level sensor in the step 4-1 with a preset three-level surface water alarm threshold value, wherein the three-level alarm is light water accumulation, medium water accumulation and severe water accumulation respectively, so as to judge whether to send out a surface water alarm and what kind of surface water alarm should be sent out:
(1) if the surface water accumulation monitoring data meets the threshold condition of the light water accumulation alarm, the central processing unit sends the surface light water accumulation alarm together with the Beidou positioning coordinate and time of the lamp post to the intelligent lamp post gateway module, the intelligent lamp post gateway module issues surface light water accumulation alarm information and the position of the intelligent lamp post road section to the urban traffic road administration department through the wired internet module, and the central processing unit controls the information broadcast loudspeaker and the information issuing display screen to issue the surface light water accumulation alarm;
(2) if the surface water monitoring data meet the medium water alarm threshold condition, the central processing unit sends the surface medium water alarm together with the Beidou positioning coordinate and time of the intelligent lamp pole to the intelligent lamp pole gateway module, the intelligent lamp pole gateway module issues surface medium water alarm information and the position of the intelligent lamp pole section to the urban traffic administrative department through the wired internet module, and the central processing unit controls the information broadcast loudspeaker and the information issuing display screen to issue the surface medium water alarm;
(3) if the road surface ponding monitoring data meets the serious ponding alarm threshold condition, the central processing unit sends the road surface serious ponding alarm together with the Beidou positioning coordinate and time of the intelligent lamp pole to the intelligent lamp pole gateway module, the intelligent lamp pole gateway module issues road surface serious ponding alarm information and the road section position of the intelligent lamp pole to the urban traffic administration department through the wired internet module, issues the road surface serious ponding alarm information and the road section position of the lamp pole to a mobile communication terminal in a communication range through the wireless communication module, and controls the information broadcasting loudspeaker and the information issuing display screen to send out the road surface serious ponding alarm;
otherwise, turning to the step 4-1, and repeating the step 4-1 to the step 4-2 to monitor the surface water.
8. The method for monitoring road surface settlement and accumulated water as claimed in claim 6, wherein: the step 3-1 and the step 4-1 are performed simultaneously.
9. The method for monitoring road surface settlement and accumulated water as claimed in claim 6, wherein: three road surface settlement alarm threshold conditions are preset in the central processing unit, the three road surface settlement alarm threshold conditions correspond to three alarm levels, and the three alarm levels correspond to three sets of alarm schemes respectively.
10. The method for monitoring road surface settlement and accumulated water as claimed in claim 6, wherein: three surface water alarm threshold conditions are preset in the central processing unit, correspond to three alarm levels, and correspond to three sets of alarm schemes respectively.
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