CN112435502A - Multi-path-section vehicle height real-time detection and superelevation early warning system and method - Google Patents
Multi-path-section vehicle height real-time detection and superelevation early warning system and method Download PDFInfo
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Abstract
The invention provides a multi-path section vehicle height real-time detection and superelevation early warning system and a method, wherein the system comprises: the detection module is arranged at the monitoring point and used for detecting whether a vehicle passes through the monitoring point or not; the alarm transmission module is used for converting the detection signal of the detection module into a digital signal; the main control module is used for processing the digital signal, judging whether the vehicle is ultrahigh and sending out early warning information and warning information when the vehicle is judged to be ultrahigh; the background monitoring module is used for responding to the alarm information and sending out an alarm signal; and the early warning module is used for responding to the early warning information and sending out an early warning signal. The invention adopts a distributed deployment scheme, can simultaneously detect the ultrahigh vehicles running in front of a plurality of bridges (tunnels and culverts), and realizes the protection of the plurality of bridges (tunnels and culverts) by one background monitoring module.
Description
Technical Field
The invention belongs to a vehicle running safety supervision technology, and particularly relates to a multi-path-section vehicle height real-time detection and superelevation early warning system and method.
Background
With the rapid development of urban three-dimensional traffic, the traffic accident rate of key road sections such as bridges, tunnels, culverts and the like caused by the super-high height of vehicles is increased year by year, and serious threats are caused to the structural safety of traffic infrastructures and the traffic safety.
In order to avoid collision accidents between ultrahigh vehicles and bridges (tunnels and culverts), researchers explore and provide various anti-collision height limiting technologies, and the anti-collision height limiting technologies mainly have the following advantages in the aspect of similar patent achievements in the technical field of information utilization:
(1) the invention relates to a vehicle ultrahigh monitoring and early warning system based on laser detection (application number: 201810515205.1, grant notice number: CN 108447271A): whether the vehicle is ultrahigh is detected by respectively arranging laser range finders on two sides of a road, and if the vehicle is ultrahigh, a time-delay audible and visual alarm is triggered to give an alarm, take a snapshot and inform a master control computer. The invention only detects one road, if a plurality of roads are detected, a plurality of main control computers and a plurality of law enforcement personnel are needed, and the resource waste is caused.
(2) The invention discloses a vehicle over-height prompting device for a highway bridge opening tunnel (application number: 201810526186.2, grant notice number: CN 108487127A): by respectively arranging the infrared transmitting tube and the infrared receiving tube at the height limiting positions on two sides of the motorway in front of the highway bridge or the tunnel, when the ultrahigh vehicle passes through the pillar, photoelectric signals transmitted by the infrared transmitting tube can be shielded, so that the infrared receiving tube generates switching signals and generates early warning information to remind the running ultrahigh vehicle. The invention patent also only detects one road. In addition, the patent has no corresponding monitoring management system, and a highway management department cannot master the on-site ultrahigh vehicle running condition in real time.
(3) The invention relates to a road vehicle ultrahigh monitoring system (application number: 201521066962.3, authorization notice number: CN 205594877U): the ultrahigh signal detection devices are respectively arranged on two sides of a road to detect whether the vehicle is ultrahigh, and if the vehicle is ultrahigh, the alarm device is triggered to alarm, snapshot and inform a main control computer. The invention patent also only detects one road.
Disclosure of Invention
The invention aims to provide a multi-path-section vehicle height real-time detection and superelevation early warning system.
The technical solution for realizing the purpose of the invention is as follows: a multi-path section vehicle height real-time detection and ultrahigh early warning system comprises:
the detection module is arranged at the monitoring point and used for detecting whether a vehicle passes through the monitoring point or not;
the alarm transmission module is used for converting the detection signal of the detection module into a digital signal;
the main control module is used for processing the digital signal, judging whether the vehicle is ultrahigh and sending out early warning information and warning information when the vehicle is judged to be ultrahigh;
the background monitoring module is used for responding to the alarm signal and sending out the alarm signal;
and the early warning module is used for responding to the alarm signal and sending out an early warning signal.
Preferably, the monitoring points are two sides of a motor vehicle lane in front of a bridge, a tunnel and a culvert.
Preferably, the detection module is at least arranged on two groups of laser correlation sensors at the same height and at intervals with a set distance, and the infrared laser emitted by the laser correlation sensors is perpendicular to the vehicle running direction.
Preferably, the specific method for processing the digital signal and determining whether the vehicle is ultrahigh includes:
and calculating the duration of the alarm signal, wherein the specific formula is as follows:
in the formula (I), the compound is shown in the specification,
for the master control module to receive the first set of laser digital signals starting time,
the end time of the first group of laser digital signals received by the main control module is set;
for the start time of the main control module receiving the second group of laser digital signals,
the end time of the main control module receiving the second group of laser digital signals is set;
and when the duration time of the alarm signal is greater than a set threshold value, judging that the vehicle is ultrahigh.
The invention also provides a multi-path section vehicle height real-time detection and superelevation early warning method, which comprises the following specific steps:
detecting whether a vehicle passes through the monitoring point;
converting the detection signal into a digital signal;
processing the digital signal, judging whether the vehicle is ultrahigh, and sending out early warning information and warning information when the vehicle is judged to be ultrahigh;
responding to the alarm information, and sending out an alarm signal;
responding to the early warning information and sending out an early warning signal
Compared with the prior art, the invention has the following remarkable advantages:
the invention adopts a distributed deployment scheme, can simultaneously detect the ultrahigh vehicles running in front of a plurality of bridges (tunnels and culverts), and realizes the protection of a background monitoring module on the plurality of bridges (tunnels and culverts);
the invention only needs a group of main control modules, a group of background monitoring modules and a manager to monitor a plurality of protected bridges (tunnels and culverts) simultaneously, thereby saving a great deal of labor and material cost and having better economy;
each group of detection modules comprises (at least two groups of) laser correlation instrument sensors, so that the ultrahigh vehicle height can be quickly detected, the interferences of birds, leaves and the like can be automatically eliminated, abnormal shielding signals can be further filtered, the misjudgment rate of the system can be effectively reduced, and the reliability and the stability of the system can be improved;
the background monitoring module can send alarm information to a front-line manager in a short message form, the front-line manager immediately gives an alarm after receiving the message and takes prevention measures to ensure the safety of the protected bridge (tunnel and culvert) and improve the uploading and issuing efficiency of a highway management department.
The present invention is described in further detail below with reference to the attached drawings.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic view of the system of the present invention.
FIG. 3 is a schematic diagram of a single set of inspection front view of the present invention.
FIG. 4 is a schematic top view of a single set of inspection apparatus according to the present invention.
FIG. 5 is a schematic view of a single set of inspection field installations of the present invention.
FIG. 6 is a schematic diagram of the main workflow of the present invention.
Detailed Description
A multi-path section vehicle height real-time detection and superelevation early warning system is arranged on a detection module of a monitoring point and used for detecting whether a vehicle passes through the monitoring point;
the alarm transmission module is used for converting the detection signal of the detection module into a digital signal;
the main control module is used for processing the digital signal, judging whether the vehicle is ultrahigh and sending out early warning information and warning information when the vehicle is judged to be ultrahigh;
the background monitoring module is used for responding to the alarm signal and sending out the alarm signal; (ii) a
And the early warning module is used for responding to the alarm signal and sending out an early warning signal.
Specifically, the detection module, the alarm transmission module and the early warning module are all deployed in a motor vehicle lane in front of a protected bridge (tunnel and culvert).
Specifically, the detection module at least comprises two groups of laser correlation sensors which are arranged at the same height and are spaced by a set distance. The laser correlation sensors are respectively installed at two sides of a motor vehicle lane in front of a protected bridge (tunnel and culvert) to set heights, and infrared lasers emitted by the laser correlation sensors are all perpendicular to the running direction of the vehicle and are used for detecting whether the running vehicle is ultrahigh. By adopting the technical scheme of the distributed deployment detection module, whether the running vehicles on the multiple roads are ultrahigh can be detected on line in real time.
Specifically, the height is set to the protected bridge clearance minus 0.50 m.
The alarm transmission module is connected with the detection modules in a one-to-one correspondence manner and used for converting detection signals of the detection modules into digital signals suitable for Ethernet transmission and transmitting the digital signals to the main control module.
The main control module is used for receiving the digital signals transmitted by the alarm transmission module and carrying out logic algorithm judgment processing, and specifically comprises the following steps:
and calculating the duration of the alarm signal, wherein the specific formula is as follows:
in the formula (I), the compound is shown in the specification,
for the master control module to receive the first set of laser digital signals starting time,
the end time of the first group of laser digital signals received by the main control module is set;
for the start time of the main control module receiving the second group of laser digital signals,
and the end time of the main control module receiving the second group of laser digital signals.
And when the duration time of the alarm signal is greater than a set threshold value, judging that the vehicle is ultrahigh.
In some embodiments, when S ≧ 0.1, the vehicle is judged to be ultrahigh.
The main control module judges whether the vehicle is ultrahigh according to the logic algorithm, if the judgment result is that the vehicle is ultrahigh, early warning information and warning information are immediately and automatically generated, and the early warning information is transmitted to the early warning module; meanwhile, the alarm information is transmitted to the background monitoring module. The main control module can perform real-time on-site early warning on a plurality of roads simultaneously.
The early warning module comprises but is not limited to an LED display screen, different types of driver reminding devices are added according to practical application scenes, and the driver reminding devices are used for executing early warning information transmitted by the main control module and reminding a driver of an ultrahigh vehicle to take corresponding measures. The early warning module can remind the ultrahigh vehicle drivers on multiple roads at the same time.
The background monitoring module is a set of vehicle ultrahigh monitoring and early warning application platform and is mainly used for carrying out remote monitoring and remote early warning in real time. After receiving the information of the main control module, the background monitoring module reminds a road management department of attention in a platform interface in at least one mode of different colors, flickers, popup windows and sounds, so that the road management department can immediately know the position of the ultrahigh vehicle and take corresponding processing measures; meanwhile, the background monitoring module also sends the alarm information to a front-line manager in a short message form, and the front-line manager immediately gives an alarm after receiving the message and takes prevention measures to ensure the safety of the protected bridge (tunnel and culvert). The background monitoring module can realize remote monitoring and remote early warning of the ultrahigh vehicles on the multiple roads only by one person.
The early warning module has the functions of recovering to the last normal operation state after power failure and software restart.
The LED display screen of the early warning module can also be used for a road management department as a platform for releasing slogans, policies, weather forecasts and traffic guidance.
The early warning module and the alarm transmission module transmit the communication connection state to the background monitoring module, so that the background monitoring module can master the states of the front-end module and the equipment in real time.
A multi-path section vehicle height real-time detection and superelevation early warning method comprises the following specific steps:
detecting whether a vehicle passes through the monitoring point;
converting the detection signal into a digital signal;
processing the digital signal, judging whether the vehicle is ultrahigh, and sending out early warning information and warning information when the vehicle is judged to be ultrahigh;
responding to the alarm information, and sending out an alarm signal;
responding to the early warning information and sending out an early warning signal
Example 1
As shown in fig. 1-6, a multi-channel vehicle height real-time detection and superelevation early warning system includes:
and the detection submodules (1-1,1-2,1-3, … …, 1-N) are arranged at the monitoring points and are used for detecting whether the vehicle is ultrahigh to obtain switching value signals of the ultrahigh vehicle and the detection submodules (1-1,1-2,1-3, … …, 1-N).
The alarm transmission sub-modules (2-1,2-2,2-3, … …, 2-N) are connected with the detection sub-modules (1-1,1-2,1-3, … …, 1-N) in a one-to-one correspondence mode and used for receiving switching value signals of the ultrahigh vehicles transmitted by the detection sub-modules (1-1,1-2,1-3, … …, 1-N), converting the switching value signals into Ethernet signals and transmitting the Ethernet signals to the main control module 3. The alarm transmission sub-modules (2-1,2-2,2-3, … …, 2-N) transmit the respective communication connection states to the main control module 3.
And the main control module 3 is used for receiving the switching value signals transmitted by the alarm transmission sub-modules (2-1,2-2,2-3, … …, 2-N) and carrying out logic judgment. If the vehicle is over-height, the early warning information is transmitted to the corresponding early warning module in the early warning sub-modules (4-1,4-2,4-3, … …, 4-N) through the Ethernet, and the IP address, over-height information and warning time of the corresponding early warning module are packaged into warning information which is transmitted to the background monitoring module 5. In addition, the main control module 3 also receives the communication connection state information of the alarm transmission sub-module (2-1,2-2,2-3, … …, 2-N) and the early warning sub-module (4-1,4-2,4-3, … …, 4-N), and also transmits the communication connection state information to the background monitoring module 5.
And the early warning sub-module (4-1,4-2,4-3, … …, 4-N) is communicated with the main control module 3 and is used for executing the early warning information transmitted by the main control module 3. In addition, the early warning sub-modules (4-1,4-2,4-3, … …, 4-N) also transmit the respective communication connection states to the main control module 3.
And the background monitoring module 5 is communicated with the main control module 3 and is used for receiving the alarm information and the communication connection state information transmitted by the main control module 3. In addition, the background monitoring module 5 can also edit information and transmit the information to any one of the early warning sub-modules (4-1,4-2,4-3, … …, 4-N) through the main control module 3.
In the present embodiment, the detection submodules (1-1,1-2,1-3, … …, 1-N) each comprise (at least two groups of) laser correlation sensors; the core component of the alarm transmission submodule (2-1,2-2,2-3, … …, 2-N) is an STM32 singlechip; the main control module 3 is an ARK series industrial personal computer; the early warning sub-modules (4-1,4-2,4-3, … …, 4-N) all comprise outdoor LED display screens not lower than P10; the background monitoring module 5 comprises an application server and an ultrahigh monitoring application platform software system.
Example 2
A multi-path section vehicle height real-time detection and superelevation early warning method comprises the following specific steps:
s1, respectively installing detection sub-modules (1-1,1-2,1-3, … …, 1-N) on two sides of a road where vehicles of a protected bridge (bridge 1, bridge 2, … …, bridge N. tunnel and culvert are similar, and only taking bridge as an example here) go up for 500-1000 m, and keeping the clearance height of each group of detection modules consistent with that of the corresponding protected bridge;
and S2, respectively connecting the output switching signal quantity of the detection sub-modules (1-1,1-2,1-3, … …, 1-N) with the IO pins of the corresponding alarm transmission sub-modules (2-1,2-2,2-3, … …, 2-N). Under normal conditions, when no ultrahigh vehicle passes through, a plurality of parallel laser beams of the detection module 1 are not shielded. When the ultrahigh vehicle passes through, one or more groups of parallel lasers in the detection module 1 are shielded, and a switching signal quantity is generated and immediately transmitted to a module corresponding to the parallel lasers in the alarm transmission sub-module (2-1,2-2,2-3, … …, 2-N);
and S3, core components STM32 singlechip RJ45 interfaces of the alarm transmission submodule (2-1,2-2,2-3, … …, 2-N) are connected with the main control module 3 through optical fibers or network cables. The obtained switching signal quantity is converted into a digital alarm signal suitable for the Ethernet in the alarm transmission sub-module (2-1,2-2,2-3, … …, 2-N), and the digital alarm signal is transmitted to the main control module 3 through an optical fiber or a network cable;
and S4, the main control module 3 is connected with RJ45 interfaces of the early warning sub-modules (4-1,4-2,4-3, … …, 4-N) through optical fibers or network cables, and the main control module 3 is also connected with RJ45 interfaces of the background monitoring module 5 through optical fibers or network cables. After the main control module 3 acquires the digital alarm signal, whether the alarm is given is judged according to the received IP address and the duration of the digital alarm signal, if the duration of the digital alarm signal is greater than or equal to 30ms (assuming that the vehicle speed is not more than 60km/h and the length of the ultrahigh part is not less than 0.7m), the alarm is judged, the IP address of the corresponding early-warning submodule (4-1,4-2,4-3, … …, 4-N) is searched according to the received IP address, the early-warning information of 'vehicle ultrahigh and no pass' is transmitted to the corresponding early-warning submodule (4-1,4-2,4-3, … …, 4-N) through an optical fiber or a network cable, and meanwhile, the received IP address, ultrahigh information and alarm time of the early-warning module are encapsulated into alarm information by the main control module 3, the data is transmitted to a background monitoring module 5 through optical fibers or network cables; if the duration of the digital alarm signal is less than 30ms, judging as false alarm, and not performing early warning processing;
and S5, the early warning submodules (4-1,4-2,4-3, … …, 4-N) are respectively arranged at 100m behind the detection submodules (1-1,1-2,1-3, … …, 1-N) corresponding to the early warning submodules. After one or more groups of the early warning modules 4 receive the early warning information of the main control module 3, the content of 'vehicle over height and no pass' is displayed in a striking mode in the modules corresponding to the early warning sub-modules (4-1,4-2,4-3, … …, 4-N);
and S6, after receiving the alarm message sent by the main control module 3, the background monitoring module 5 immediately analyzes and obtains the IP address, the ultrahigh information and the alarm time of the early warning module, reminds the highway management department in at least one of different colors, flickers, pop windows and sounds on the platform interface, and sends the message content containing the bridge nouns and the alarm time to a front-line manager.
Claims (8)
1. The utility model provides a high real-time detection of multichannel section vehicle and superelevation early warning system which characterized in that includes:
the detection module is arranged at the monitoring point and used for detecting whether a vehicle passes through the monitoring point or not;
the alarm transmission module is used for converting the detection signal of the detection module into a digital signal;
the main control module is used for processing the digital signal, judging whether the vehicle is ultrahigh and sending out early warning information and warning information when the vehicle is judged to be ultrahigh;
the background monitoring module is used for responding to the alarm signal and sending out the alarm signal;
and the early warning module is used for responding to the alarm signal and sending out an early warning signal.
2. The multi-segment real-time vehicle height detection and superelevation early warning system according to claim 1, wherein the monitoring points are two sides of a motor vehicle lane in front of a bridge, a tunnel and a culvert.
3. The multi-path-section real-time vehicle height detection and superelevation early warning system according to claim 1, wherein the detection module is at least arranged on two groups of laser correlation sensors which are arranged at the same height and are spaced by a set distance, and infrared lasers emitted by the laser correlation sensors are both vertical to the vehicle running direction.
4. The multi-path-section real-time vehicle height detection and superelevation early warning system according to claim 1, wherein the specific method for processing the digital signals and judging whether the vehicle is superelevation is as follows:
and calculating the duration of the alarm signal, wherein the specific formula is as follows:
in the formula (I), the compound is shown in the specification,
for the master control module to receive the first set of laser digital signals starting time,
the end time of the first group of laser digital signals received by the main control module is set;
for the start time of the main control module receiving the second group of laser digital signals,
receiving the second group of laser digital signals for the main control moduleAn end time;
and when the duration time of the alarm signal is greater than a set threshold value, judging that the vehicle is ultrahigh.
5. The multi-segment real-time vehicle height detection and superelevation early warning system of claim 1, wherein the early warning module is an LED display screen.
6. The multi-path-section real-time vehicle height detection and superelevation early warning system as claimed in claim 1, wherein the alarm signal sent by the background monitoring module is at least one of different colors, flashing, pop-up windows and audible prompts.
7. The multi-segment real-time vehicle height detection and superelevation early warning system as claimed in claim 1, wherein the early warning signal sent by the early warning module is a displayed reminding slogan.
8. A multi-path section vehicle height real-time detection and ultrahigh early warning method is characterized by comprising the following specific steps:
detecting whether a vehicle passes through the monitoring point;
converting the detection signal into a digital signal;
processing the digital signal, judging whether the vehicle is ultrahigh, and sending out early warning information and warning information when the vehicle is judged to be ultrahigh;
responding to the alarm information, and sending out an alarm signal;
and responding to the early warning information and sending out an early warning signal.
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| CN113516343A (en) * | 2021-04-06 | 2021-10-19 | 青岛以萨数据技术有限公司 | Vehicle early warning system, method and storage medium based on map and track data |
| CN117671909A (en) * | 2023-12-07 | 2024-03-08 | 广州市阳普机电工程有限公司 | Laser height limiting detection device and early warning system thereof |
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Application publication date: 20210302 |