CN112435486A - Automatic monitoring and alarming method and device for landslide and rockfall of road and railway side slopes - Google Patents
Automatic monitoring and alarming method and device for landslide and rockfall of road and railway side slopes Download PDFInfo
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- CN112435486A CN112435486A CN202011266941.1A CN202011266941A CN112435486A CN 112435486 A CN112435486 A CN 112435486A CN 202011266941 A CN202011266941 A CN 202011266941A CN 112435486 A CN112435486 A CN 112435486A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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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
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention provides an automatic monitoring and alarming method and device for landslide and rockfall of side slopes of highways and railways, and relates to the technical field of safety monitoring of highways and railways.
Description
Technical Field
The invention relates to the technical field of highway and railway safety monitoring, in particular to an automatic monitoring and alarming method and device for landslide and rockfall of highway and railway side slopes.
Background
In recent years, accidents that cause train derailment and road automobile chain collision cannot be found timely due to landslide have occurred on a plurality of railways and roads. In the field of highway safety monitoring, slope safety problems always plague engineering technicians, and due to the lack of effective monitoring means, when slope landslide or rockfall occurs, roads are blocked, but vehicles running on the highway are difficult to find, and when the vehicles are close to be visible by naked eyes, avoidance parking is found to be too late, so that traffic accidents occur. Therefore, after landslide or rockfall occurs, the landslide and rockfall are monitored at the first time, early warning prompts are given in suitable distances at two sides of a road, and meanwhile, the traffic management department reports the landslide and rockfall occurrence results, and the traffic management system has practical significance for reducing traffic accidents caused by landslide and rockfall.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic monitoring and alarming method for landslide and rockfall of side slopes of roads and railways, which comprises the following steps:
step 1: n stand columns are installed on a retaining wall of a road or railway side slope to be monitored, the distance between the stand columns is L, iron wire protective nets are installed between the stand columns, vibration sensors are installed at the top of each section of the iron wire protective net, n-1 vibration sensors are needed to be installed between n-1 stand columns, and the vibration sensors are recorded as sensors V1,V2,…,Vi,…,Vn-1,i＝1,2,…,n-1，ViThe ith vibration sensor is shown, a spherical camera is arranged at the bottom of the side slope, and 1 LED electronic information indicator is respectively arranged beside the road at the position H meters away from the side slope in different passing directions;
step 2: respectively collecting vibration signals through n-1 vibration sensors, and recording the collected vibration signals as S1,S2,…,Si,…,Sn-1,i＝1,2,…,n-1，SiRepresenting the ith column vibration signal collected by the ith vibration sensorI.e. Si＝{si,1,si,2,…,si,t,…}，si,tRepresenting the acquisition value of the ith vibration sensor at the time t;
and step 3: extracting the amplitude value of the sampling value of the n-1 columns of vibration sensors at each moment in real time;
and 4, step 4: amplitude values appearing in n-1 columns of vibration signals in T time period before statistics
Number of (a) W, hi,tRepresenting the amplitude of the sample value at time t in the vibration signal of the ith column,
a threshold value representing a preset amplitude value;
and 5: judging whether landslide and rockfall are needed or not, sending the judgment result to an upper computer monitoring system, and if so, sending the judgment result to the upper computer monitoring system
Indicating that a first-level warning prompt is required, if
Indicating that a secondary early warning prompt is required, if
Indicating that no pre-warning prompt is required,
a threshold value representing a primary early warning prompt,
a threshold value representing a secondary warning prompt;
step 6: if the early warning prompt is needed, the early warning information corresponding to the early warning prompt is sent to the LED electronic information indicator for displaying;
and 7: when the upper computer monitoring system receives the early warning prompt, the spherical camera is started to work, if the situation that the slope site has landslide or rockfall is not observed through the spherical camera, the early warning information on the LED electronic information indicator is cancelled, the spherical camera is closed, if the situation that the slope site has landslide or rockfall is observed through the spherical camera, the site cleaning is needed, and after the cleaning is finished, the early warning information on the LED electronic information indicator is cancelled, and the spherical camera is closed.
The other expression of the step 4 is as follows: counting the amplitude appearing in the vibration signal of n-1 column
Duration T, h ofi,tRepresenting the amplitude of the sample value at time t in the vibration signal of the ith column,
a threshold value representing a preset amplitude value;
the other expression of the step 5 is as follows: judging whether landslide and rockfall are needed or not, if so, carrying out early warning prompt
Indicating that a first-level warning prompt is required, if
Indicating that a secondary early warning prompt is required, if
Indicating that no pre-warning prompt is required,
a time threshold representing a primary early warning prompt,
and representing the time threshold of the secondary early warning prompt.
The alarm device applying the automatic monitoring and alarming method for landslide and rockfall of the side slopes of the highway and the railway comprises a vibration sensor, a microprocessor, a wireless communication module, an LED electronic information indicator, an upper computer monitoring system, a power supply unit and a spherical camera, wherein the vibration sensor is electrically connected with the microprocessor, the microprocessor is wirelessly connected with the upper computer monitoring system through the wireless communication module, the upper computer monitoring system is respectively and wirelessly connected with the LED electronic information indicator and the spherical camera through the wireless communication module, and the power supply unit is respectively and electrically connected with the microprocessor, the wireless communication module, the LED electronic information indicator and the spherical camera to supply power for the alarm system;
the vibration sensor is used for collecting vibration signals of each wire mesh;
the microprocessor is used for extracting the amplitude value of the sampling value of each row of vibration signals at each moment, judging whether the early warning prompt of landslide and rockfall is needed or not, and sending the judgment result to an upper computer monitoring system through a wireless signal;
the wireless communication module is used for transmitting wireless signals;
the upper computer monitoring system is used for realizing the interaction of human-computer information, displaying the received vibration signals in real time, controlling the work of the dome camera and sending early warning information corresponding to the early warning prompt to the LED electronic information indicator through wireless signals;
the LED electronic information indicator is used for displaying alarm information;
the spherical camera is used for monitoring whether landslide and rockfall occur on the site.
The power supply unit comprises a solar panel, a solar controller and a 12V lead-acid storage battery, wherein the solar controller is respectively electrically connected with the 12V lead-acid storage battery and the solar panel, and the 12V lead-acid storage battery is electrically connected with the microprocessor;
the solar panel is used for collecting solar energy, converting the solar energy into electric energy and charging the 12V lead-acid storage battery;
the 12V lead-acid storage battery is used for storing electric energy converted by the solar controller;
the solar controller is used for judging whether to charge the 12V lead-acid storage battery according to the preset voltage value of the power supply circuit; when the current voltage value of the 12V lead-acid storage battery is smaller than the preset voltage value set by the solar controller, the solar controller charges the 12V lead-acid storage battery through the solar panel, and when the current voltage value of the 12V lead-acid storage battery is larger than or equal to the preset voltage value, the solar controller stops charging the 12V lead-acid storage battery.
The wireless communication module adopts an NB-IOT communication module to transmit wireless signals.
The invention has the beneficial effects that:
the invention provides an automatic monitoring and alarming method and device for landslide and rockfall of road and railway side slopes, which are characterized in that vibration signals are collected in real time through a vibration sensor, early warning judgment is made in time through a microprocessor and is wirelessly sent to an upper computer monitoring system, corresponding early warning information is displayed through an LED electronic information indicator board through the upper computer monitoring system, a vehicle in the coming and going is reminded to slow down and trigger a ball-type camera to start, whether early warning misjudgment is carried out or not is judged by checking the field condition, the remote monitoring is realized, the early warning prompt effect is timely sent out, and the occurrence rate of traffic accidents is reduced to the maximum extent.
Drawings
FIG. 1 is a flow chart of an automatic monitoring and alarming method for landslide and rockfall of a road and railway slope according to the present invention;
FIG. 2 is a block diagram of an automatic monitoring and alarming device for landslide and rockfall of road and railway slopes according to the present invention;
FIG. 3 is a schematic view of the LED electronic information sign of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1, an automatic monitoring and alarming method for landslide and rockfall of road and railway side slopes comprises the following steps:
step 1: the method comprises the steps that n stand columns are installed on a retaining wall of a road or railway side slope to be monitored, the height of each stand column is 0.5-1.5m, the distance between every two stand columns is L, the L is larger than or equal to 2 m and generally ranges from about 10 m, iron wire protective nets are installed between the stand columns, and the top of each section of the iron wire protective net is provided with a vibration protective netSensor, n-1 vibration sensors are required to be arranged between n-1 upright columns and are marked as a sensor V1,V2,…,Vi,…,Vn-1,i＝1,2,…,n-1，ViShowing the ith vibration sensor, installing a dome camera at the bottom of the side slope, installing 1 LED electronic information indicator beside the road at a distance of H meters from the side slope in different passing directions, wherein the general value of H is 500 meters, the specific installation schematic diagram is shown in FIG. 3, and each monitoring point is provided with a vibration sensor;
step 2: respectively collecting vibration signals through n-1 vibration sensors, and recording the collected vibration signals as S1,S2,…,Si,…,Sn-1,i＝1,2,…,n-1，SiRepresenting the ith column of vibration signals, i.e. S, acquired by the ith vibration sensori＝{si,1,si,2,…,si,t,…}，si,tRepresenting the acquisition value of the ith vibration sensor at the time t;
and step 3: extracting the amplitude value of the sampling value of the n-1 columns of vibration sensors at each moment in real time;
if the landslide and rockfall early warning prompt is needed or not is judged through the large-amplitude vibration quantity, the steps 4 to 5 are as follows:
and 4, step 4: amplitude values appearing in n-1 columns of vibration signals in T time period before statistics
Number of (a) W, hi,tRepresenting the amplitude of the sample value at time t in the vibration signal of the ith column,
a threshold value representing a preset amplitude value;
and 5: judging whether landslide and rockfall are needed or not, sending the judgment result to an upper computer monitoring system, and if so, sending the judgment result to the upper computer monitoring system
Indicating that a first-level warning prompt is required, if
Indicating that a secondary early warning prompt is required, if
Indicating that no pre-warning prompt is required,
a threshold value representing a primary early warning prompt,
a threshold value representing a secondary warning prompt;
if the landslide and rockfall early warning prompt is needed or not is judged according to the duration, the steps 4 to 5 can be further expressed as follows:
the other expression mode of the step 4 is as follows: counting the amplitude appearing in the vibration signal of n-1 column
Duration T, h ofi,tRepresenting the amplitude of the sample value at time t in the vibration signal of the ith column,
a threshold value representing a preset amplitude value;
another expression of step 5 is: judging whether landslide and rockfall are needed or not, if so, carrying out early warning prompt
Indicating that a first-level warning prompt is required, if
Indicating that a secondary early warning prompt is required, if
Indicating that no pre-warning prompt is required,
indicating a first-level warning promptThe time threshold of (a) is set,
and representing the time threshold of the secondary early warning prompt.
Step 6: if early warning prompt is needed, sending early warning information corresponding to the early warning prompt to an LED electronic information indicator for display, wherein the early warning information of the first-stage early warning prompt is that 'rock falling possibly in the front can happen, please notice to watch out', and the early warning information of the second-stage early warning prompt is that 'rock falling possibly in the front can happen, please slow down';
and 7: when the upper computer monitoring system receives the early warning prompt, the spherical camera is started to work, if the situation that the slope site has landslide or rockfall is not observed through the spherical camera, the early warning information on the LED electronic information indicator is cancelled, the spherical camera is closed, if the situation that the slope site has landslide or rockfall is observed through the spherical camera, the site cleaning is needed, and after the cleaning is finished, the early warning information on the LED electronic information indicator is cancelled, and the spherical camera is closed.
An alarm device using the alarm method comprises a vibration sensor, a microprocessor, a wireless communication module, an LED electronic information indicator, an upper computer monitoring system, a power supply unit and a spherical camera, wherein the vibration sensor is electrically connected with the microprocessor, the microprocessor is wirelessly connected with the upper computer monitoring system through the wireless communication module, the upper computer monitoring system is respectively wirelessly connected with the LED electronic information indicator and the spherical camera through the wireless communication module, and the power supply unit is respectively electrically connected with the microprocessor, the wireless communication module, the LED electronic information indicator and the spherical camera to supply power to the alarm system; the method comprises the steps that vibration signals collected by a vibration sensor are transmitted to a microprocessor through wireless signals, whether early warning prompt is needed or not is judged through the microprocessor, the judgment result is transmitted to an upper computer monitoring system through the wireless signals, when the early warning prompt is needed, the upper computer monitoring system starts a spherical camera through the wireless signals, and early warning information corresponding to the early warning prompt is transmitted to an LED electronic information indicator through the wireless signals;
the vibration sensor is used for collecting vibration signals of each wire mesh;
the microprocessor is used for extracting the amplitude value of the sampling value of each row of vibration signals at each moment, judging whether the early warning prompt of landslide and rockfall is needed or not, and sending the judgment result to an upper computer monitoring system through a wireless signal;
the wireless communication module is used for transmitting wireless signals;
the upper computer monitoring system is used for realizing the interaction of human-computer information, displaying the received vibration signals in real time, controlling the work of the dome camera and sending early warning information corresponding to the early warning prompt to the LED electronic information indicator through wireless signals;
the LED electronic information indicator is used for displaying alarm information, the alarm information corresponding to the first-stage early warning prompt is 'falling rocks and running at a slow speed in the front', and the alarm information corresponding to the second-stage early warning prompt is 'landslide in the front and please stop';
the dome camera is used for monitoring whether landslide and/or rockfall occur on the site.
The power supply unit comprises a solar panel, a solar controller and a 12V lead-acid storage battery, wherein the solar controller is respectively electrically connected with the 12V lead-acid storage battery and the solar panel, and the 12V lead-acid storage battery is electrically connected with the microprocessor;
the solar panel is used for collecting solar energy, converting the solar energy into electric energy and charging the 12V lead-acid storage battery;
the 12V lead-acid storage battery is used for storing electric energy converted by the solar controller;
the solar controller is used for judging whether to charge the 12V lead-acid storage battery according to the preset voltage value of the power supply circuit; when the current voltage value of the 12V lead-acid storage battery is smaller than the preset voltage value set by the solar controller, the solar controller charges the 12V lead-acid storage battery through the solar panel, and when the current voltage value of the 12V lead-acid storage battery is larger than or equal to the preset voltage value, the solar controller stops charging the 12V lead-acid storage battery.
The wireless communication module adopts an NB-IOT communication module to transmit wireless signals.
The component models adopted in the embodiment are as follows: the solar controller is SOLSUM 6.6B, the vibration sensor is LGS248 (high-sensitivity digital vibration sensor), the spherical camera is DS-2DE4220IW-D/GLT, the LED electronic information indicator is GLG-TDL-160D, the microprocessor is STM32F107VCT6, the NB-IOB communication module is BC95-B5, the upper computer monitoring system is realized by C # programming, vibration signals acquired by the microprocessor are displayed on a monitoring interface of the upper computer monitoring system in real time, when the upper computer monitoring system receives an early warning prompt, the spherical camera is automatically opened, and the upper computer monitoring system alarms to inform workers of checking the field situation, the automatic remote monitoring effect is realized, and the system is of practical significance for reducing traffic accidents caused by landslide and rockfall.
Claims (5)
1. An automatic monitoring and alarming method for landslide and rockfall of road and railway side slopes is characterized by comprising the following steps:
step 1: n stand columns are installed on a retaining wall of a road or railway side slope to be monitored, the distance between the stand columns is L, iron wire protective nets are installed between the stand columns, vibration sensors are installed at the top of each section of the iron wire protective net, n-1 vibration sensors are needed to be installed between n-1 stand columns, and the vibration sensors are recorded as sensors V1,V2,…,Vi,…,Vn-1,i＝1,2,…,n-1，ViThe ith vibration sensor is shown, a spherical camera is arranged at the bottom of the side slope, and 1 LED electronic information indicator is respectively arranged beside the road at the position H meters away from the side slope in different passing directions;
step 2: respectively collecting vibration signals through n-1 vibration sensors, and recording the collected vibration signals as S1,S2,…,Si,…,Sn-1,i＝1,2,…,n-1，SiRepresenting the ith column of vibration signals, i.e. S, acquired by the ith vibration sensori＝{si,1,si,2,…,si,t,…}，si,tRepresenting the acquisition value of the ith vibration sensor at the time t;
and step 3: extracting the amplitude value of the sampling value of the n-1 columns of vibration sensors at each moment in real time;
and 4, step 4: amplitude values appearing in n-1 columns of vibration signals in T time period before statistics
Number of (a) W, hi,tRepresenting the amplitude of the sample value at time t in the vibration signal of the ith column,
a threshold value representing a preset amplitude value;
and 5: judging whether landslide and rockfall are needed or not, sending the judgment result to an upper computer monitoring system, and if so, sending the judgment result to the upper computer monitoring system
Indicating that a first-level warning prompt is required, if
Indicating that a secondary early warning prompt is required, if
Indicating that no pre-warning prompt is required,
a threshold value representing a primary early warning prompt,
a threshold value representing a secondary warning prompt;
step 6: if the early warning prompt is needed, the early warning information corresponding to the early warning prompt is sent to the LED electronic information indicator for displaying;
and 7: when the upper computer monitoring system receives the early warning prompt, the spherical camera is started to work, if the situation that the slope site has landslide or rockfall is not observed through the spherical camera, the early warning information on the LED electronic information indicator is cancelled, the spherical camera is closed, if the situation that the slope site has landslide or rockfall is observed through the spherical camera, the site cleaning is needed, and after the cleaning is finished, the early warning information on the LED electronic information indicator is cancelled, and the spherical camera is closed.
2. The automatic monitoring and alarming method for landslide and rockfall of road and railway side slopes according to claim 1, wherein another expression of the step 4 is as follows: counting the amplitude appearing in the vibration signal of n-1 column
Duration T, h ofi,tRepresenting the amplitude of the sample value at time t in the vibration signal of the ith column,
a threshold value representing a preset amplitude value;
the other expression of the step 5 is as follows: judging whether landslide and rockfall are needed or not, if so, carrying out early warning prompt
Indicating that a first-level warning prompt is required, if
Indicating that a secondary early warning prompt is required, if
Indicating that no pre-warning prompt is required,
a time threshold representing a primary early warning prompt,
and representing the time threshold of the secondary early warning prompt.
3. The automatic monitoring and alarming device for landslide and rockfall of the side slopes of the highway and the railway, according to claim 1, is characterized by comprising a vibration sensor, a microprocessor, a wireless communication module, an LED electronic information indicator, an upper computer monitoring system, a power supply unit and a spherical camera, wherein the vibration sensor is electrically connected with the microprocessor, the microprocessor is wirelessly connected with the upper computer monitoring system through the wireless communication module, the upper computer monitoring system is respectively wirelessly connected with the LED electronic information indicator and the spherical camera through the wireless communication module, and the power supply unit is respectively electrically connected with the microprocessor, the wireless communication module, the LED electronic information indicator and the spherical camera to supply power to the alarming system;
the vibration sensor is used for collecting vibration signals of each wire mesh;
the microprocessor is used for extracting the amplitude value of the sampling value of each row of vibration signals at each moment, judging whether the early warning prompt of landslide and rockfall is needed or not, and sending the judgment result to an upper computer monitoring system through a wireless signal;
the wireless communication module is used for transmitting wireless signals;
the upper computer monitoring system is used for realizing the interaction of human-computer information, displaying the received vibration signals in real time, controlling the work of the dome camera and sending early warning information corresponding to the early warning prompt to the LED electronic information indicator through wireless signals;
the LED electronic information indicator is used for displaying alarm information;
the spherical camera is used for monitoring whether landslide and rockfall occur on the site.
4. The alarm device according to claim 3, wherein the power supply unit comprises a solar panel, a solar controller and a 12V lead-acid storage battery, the solar controller is electrically connected with the 12V lead-acid storage battery and the solar panel respectively, and the 12V lead-acid storage battery is electrically connected with the microprocessor;
the solar panel is used for collecting solar energy, converting the solar energy into electric energy and charging the 12V lead-acid storage battery;
the 12V lead-acid storage battery is used for storing electric energy converted by the solar controller;
the solar controller is used for judging whether to charge the 12V lead-acid storage battery according to the preset voltage value of the power supply circuit; when the current voltage value of the 12V lead-acid storage battery is smaller than the preset voltage value set by the solar controller, the solar controller charges the 12V lead-acid storage battery through the solar panel, and when the current voltage value of the 12V lead-acid storage battery is larger than or equal to the preset voltage value, the solar controller stops charging the 12V lead-acid storage battery.
5. The warning device as claimed in claim 3, wherein the wireless communication module employs an NB-IOT communication module to transmit wireless signals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011266941.1A CN112435486A (en) | 2020-11-13 | 2020-11-13 | Automatic monitoring and alarming method and device for landslide and rockfall of road and railway side slopes |
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| CN202011266941.1A CN112435486A (en) | 2020-11-13 | 2020-11-13 | Automatic monitoring and alarming method and device for landslide and rockfall of road and railway side slopes |
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Application publication date: 20210302 |