CN114694367A - Rural Road Safety Early Warning System - Google Patents

Abstract

The invention relates to a rural road safety early warning system, comprising: a millimeter wave radar for detecting a running vehicle; the wireless network bridge is used for receiving a detection signal of the millimeter wave radar on the other upright post; the perception processor is used for receiving the signal of the wireless network bridge and controlling the early warning module to work; the solar panel is connected with the storage battery and the modules, and is used for supplying power to the modules and charging the storage battery in the daytime and supplying power to the modules in the nighttime; the millimeter wave radar is used for detecting vehicles at each intersection, when the fact that vehicles enter the intersection is detected, the signals are sent to the perception processor of the other intersection through the wireless network bridge, the perception processor of the other intersection controls the early warning module to conduct early warning according to the detected signals, the purpose of reminding a driver of the vehicle is achieved, the millimeter wave radar can be applied to various road scenes, good early warning effects are achieved for level crossing intersections, curves and the like, traffic accidents are effectively reduced, the effect is remarkable, and the millimeter wave radar is convenient to popularize.

Description

Rural Road Safety Early Warning System

technical field

The invention relates to the field of rural road safety early warning, in particular to a rural road safety early warning system.

Background technique

In recent years, with the construction and development of the national "New Countryside, Every Village" project, the road hardening rate of city and county highways, rural roads and other roads has increased year by year, and the traffic conditions have been significantly improved. Insufficient attention to the construction of safety facilities and low standards have resulted in imperfect road traffic facilities and traffic signs in most of them. On the one hand, traffic safety exists in mountain bends, intersections of rural and urban roads, and intersections of ordinary national and provincial roads and branch roads. Facilities are not complete. Therefore, the roads in rural areas have become a part of the rapid traffic development, prominent traffic safety hazards, weak traffic safety management, and high pressure on traffic accident prevention. The rural road traffic safety control is imminent.

The more common rural road safety facilities at this stage are the installation of safety warning signs and the installation of convex mirrors, but the warning signs can play a limited role. In the event of an accident, the convex mirror cannot play a very good role in bad weather. At the same time, the range of vision provided by the convex mirror is limited, so it is still impossible to avoid the occurrence of accidents.

The installation of traffic lights will be limited by terrain and installation conditions, and the cost will be high, which is not suitable for some rural roads.

There are several road safety early warning systems in existence:

The structure of the first road safety early warning system is shown in Figure 1. This road safety early warning system includes a pedestrian detection module, a vehicle speed detection module, an image acquisition device, a main controller, an early warning module, and a wireless communication module. When the detection unit detects a pedestrian, as shown in Figure 2, the main controller immediately turns on the pressure detection unit. If the value returned by the pressure detection unit remains unchanged within a period of time, it means that the pedestrian just entered the detection area by mistake; if If the value returned by the pressure detection unit changes, it means that the pedestrian is ready to cross the road; through this method, the pedestrians on the sidewalks at both ends of the road can be initially detected, and then the image acquisition device is turned on, and the camera is called to recheck according to the trajectory algorithm. Whether a pedestrian is really ready to cross the road, if the vehicle speed detection module detects a high-speed vehicle heading for the zebra crossing within the safe distance of the zebra crossing, the main controller immediately turns on the video recording function to ensure that pedestrians have a traffic accident when crossing the zebra crossing When the driver hit and ran, the original information was retained.

Under normal circumstances, the main controller acts as the host to generate hotspot signals, and the mobile phones of drivers and pedestrians act as clients. When a pedestrian enters the WIFI coverage, they will automatically connect to the host, so that they can receive the data sent from the main controller. When a vehicle enters the safe distance of the zebra crossing and a pedestrian is ready to cross the road, the message will be sent to the pedestrian's mobile phone, and the APP will warn the bow-headed people who want to cross the road through the vibration of the pop-up window and the voice set in the APP. Pay attention to vehicles and light up the LED light-emitting zebra crossings on the road at the same time. In this way, on the one hand, the LED lights can let the driver know whether pedestrians want to cross the road, and on the other hand, the road condition information at this time can be sent to nearby pedestrians through wireless WIFI to remind pedestrians to pay attention Safety, when there is a pedestrian preparing to cross the road and the vehicle is at a safe distance from the pedestrian, the warning signs and LED zebra crossings are lit. On the one hand, LED luminous zebra crossings can provide pedestrians with lighting at night; on the other hand, warning signs and The LED light-emitting zebra crossing can also play a role as a reminder to vehicles that are at a distance from pedestrians and beyond a safe distance, reminding drivers that there are pedestrians crossing the road now and they should slow down.

Although this road safety early warning system can play a certain early warning role for vehicles and pedestrians, the system is relatively complex, requires many detection units, and requires high accuracy for each link. Once a link is disturbed, it will Errors are generated, resulting in a decrease in the overall accuracy of the system. The wireless communication module requires both pedestrians and drivers to download the specified app, which is unrealistic to implement, and the detection range is limited. It can only be detected for pedestrians in the zebra crossing area. The range cannot carry out effective early warning, so the scheme cannot realize the road early warning very well.

The structure of the second type of road safety early warning system is shown in Figure 3, through the coordinated operation of the first infrared pyroelectric module, the second infrared pyroelectric module, the first Bluetooth module and the second Bluetooth module, the first infrared pyroelectric module The vehicle is detected, and the detected distance information, vehicle quantity information, and vehicle model information are transmitted to the second handheld terminal of the vehicle traveling in the other direction of the turning road for display and voice broadcast; the second infrared pyroelectric module It can sense the vehicle, and transmit the detected distance information, vehicle quantity information, and vehicle model information to the first handheld terminal of the vehicle traveling in the direction of the turning road for display and voice broadcast; it can remind the turning road

Although this road safety early warning system can play a certain early warning role between vehicles and vehicles, the infrared pyroelectric module is susceptible to interference, which can easily lead to inaccurate detection, and the early warning method of this scheme mainly relies on Bluetooth transmission to the device terminal. , which requires all drivers to always turn on Bluetooth, which is difficult to implement, and requires the Bluetooth signal to be transmitted accurately without any interference, so this solution cannot achieve road warning well.

To sum up, the current road safety early warning system has insufficient detection accuracy, which is difficult to implement and the system is complex. Now a road safety early warning system with high detection accuracy and a simple and convenient system is needed.

Invention content

In order to solve the above problems, the present invention provides a rural road safety early warning system, which can realize the road safety early warning prompt. , the control module and the early warning module supply power, the control module is used to receive the information of the detection module, and control the early warning module to work; the above modules are installed on the column, the column is arranged at the intersection of the branch road and the main road, the column Including: the branch road column, the main road column I, the main road column II, which are respectively set at the right turning point where the branch road and the main road meet, the right turning point of the main road, and the back of the sidewalk in the direction of incoming traffic from the main road; The detection modules are respectively set towards the direction of incoming vehicles at the branch road, the direction of incoming vehicles at the main road, and the direction of incoming vehicles at the main road. The detection module transmits the detected vehicle information to the control modules on other columns for obtaining nearby vehicles. The vehicle condition of the branch road and main road; the control module on the same column is electrically connected with the early warning module, the early warning module and the detection module on the same column face the same direction, and the vehicle condition is checked by the incoming vehicles in three directions at the intersection of the branch road and the main road. Detection and warning prompts.

Further, the power supply module includes a solar panel and a battery, and the solar panel is installed on the top of the column. The detection module, the early warning module and the battery are powered by the solar panel during the day and powered by the battery at night to reduce the use of commercial power.

Further, the detection module adopts a millimeter-wave radar, and the millimeter-wave radar is installed on the support frame of the column, and is used to detect the continuous driving stable vehicle target, avoid the interference of other objects, and improve the detection accuracy.

Further, the control module adopts a perception processor, and a data connection is realized between the perception processor and the millimeter-wave radar on other columns through a wireless network bridge, which is used to obtain the vehicle conditions of other road sections at the intersection of branch roads and trunk roads, Allow safe passage for both parties.

Further, a photosensitive relay and a relay are connected between the early warning module and the perception processor, which are used to realize independent control of day and night and reduce interference to residents. The early warning module includes a digital player, a yellow flashing warning Lights and warning signs with lights are in the form of a combination of three warnings, which can avoid situations where warnings are not available and improve the warning effect.

Further, the column is also arranged at the curve, including the outer column of the curve and the inner column of the curve, which are respectively set up at the corner of the outer curve and the corner of the inner curve. Facing the direction of oncoming traffic, the perception processor on the outer column of the curve receives the detection information of the millimeter-wave radar on the inner column of the curve through the wireless bridge; the perception processor on the inner column of the curve receives the outer column of the curve through the wireless bridge. The detection information of the millimeter-wave radar on the top enables the driver in the curve to understand the situation of the vehicle in the blind spot of the curve and the speed of the vehicle, and to slow down in advance, so that both parties can pass safely.

Further, the early warning module includes a digital player, a yellow flashing warning light and an LED display screen, the LED display screen is used to display the speed of the vehicle, and the LED display screen displays words in different colors for different vehicle speeds.

The above structure uses millimeter-wave radar to detect vehicles at each intersection. When it is detected that there is a vehicle entering the intersection, the signal is sent to the perception processor at another intersection through the wireless bridge, and the perception processor at the other intersection according to. The detected signal is used to control the early warning module to carry out sound and light warning, so as to achieve the purpose of reminding the driver of the vehicle and effectively avoid the occurrence of traffic accidents.

Compared with the prior art, the present invention has the following beneficial effects:

In this system, the millimeter-wave radar has high sensitivity to dynamic object recognition, high detection accuracy, large coverage, and counts the vehicles coming and going at the intersection, and the millimeter-wave radar will not be affected by the weather. It can still maintain a high detection accuracy rate in foggy weather, and has strong anti-interference ability; the system has a simple structure, easy installation, few detection devices, low cost, and good scalability. It is simple and convenient to realize the interaction with the terminal of the operator; through solar power supply, the use of mains electricity can be reduced, and the operating cost of the system can be reduced; the system can be applied to various road scenarios, and is very good for level crossings, curves, etc. The early warning effect can effectively reduce the occurrence of traffic accidents, the effect is remarkable, and it is easy to promote.

Description of drawings

Fig. 1 is the structural principle block diagram of the first prior art;

Fig. 2 is the installation schematic diagram of the first prior art, in the figure, 111, infrared detection unit, 112, pressure detection unit;

Fig. 3 is the structural principle block diagram of the second prior art;

Fig. 4 is the structural principle block diagram of the present invention;

FIG. 5 is a schematic diagram of the installation of Embodiment 1 of the present invention at a level crossing;

6 is a schematic structural diagram of Embodiment 1 of the present invention;

7 is a schematic diagram of the installation of the second embodiment of the present invention in a bend;

8 is a schematic structural diagram of Embodiment 2 of the present invention;

In the figure, 1, the branch road column; 2, the main road column I; 3, the main road column II; 4, the outer column of the curve; 5, the inner column of the curve; 11, the solar panel; 22, the wireless bridge; 33, Digital player; 44. Millimeter wave radar; 55. Perception processor; 66. Yellow flashing warning light; 77. Warning sign with light.

Detailed ways

The present invention will now be further described with reference to the accompanying drawings.

This patent includes: As shown in Figure 4, this patent includes: a power supply module, a detection module, a control module and an early warning module, the power supply module is used to supply power to the detection module, the control module and the early warning module, and the control module is used to receive information from the detection module, And control the work of the early warning module; the above modules are installed on the column, as shown in Figure 5-6, the column is set at the intersection of the branch road and the main road, which is used for early warning of road safety at the level crossing, as shown in Figure 7-8, The uprights are respectively set up at the bends to realize the safety warning of the bends.

Example 1:

As shown in Figure 5-6, the detection module adopts millimeter-wave radar 44 for the safety early warning system of the road at level crossing, and the millimeter-wave radar 44 detects the continuous driving stable vehicle target, which can avoid the interference of other objects and improve the detection Accuracy, the data detected by the detection module is transmitted through the wireless bridge 22;

The control module adopts a perception processor 55, and the perception processor 55 receives the signals detected by the millimeter-wave radar 44 on other columns through the wireless network bridge 22, and controls the early warning module according to the signal of the wireless network bridge 22 to make an early warning;

Early warning module, the early warning module is used to give sound and light warning to the driver of the vehicle, indicating that there is a vehicle passing by. The early warning module includes: a digital player 33, a yellow flashing warning light 66, a warning sign 77 with lights, and the digital player 33 can emit sound to The driver of the vehicle is warned, and the photosensitive relay is used to control the sound during the day and not to sound at night to reduce interference to residents. The yellow flashing warning light 66 gives warning by flashing the light, and the warning sign 77 with light flashes to remind the driver of the vehicle to avoid or drive slowly. , adopting the form of a combination of three warnings can avoid situations where the warning is not available and improve the warning effect;

The power supply module adopts the solar panel 11 and the battery. The solar panel 11 is connected to the battery buried in the ground and each module. It supplies power to each module and charges the battery during the day, and the battery supplies power to each module at night, which can reduce the use and dependence on the mains , can reduce the cost of use.

Millimeter wave radar 44, wireless network bridge 22, perception processor 55, solar panel 11, and early warning modules are all installed on the pillars. The safety early warning system of the road at the level crossing adopts branch pillar 1, trunk pillar I2, and trunk pillar II3 , the branch road column 1 is installed at the right turn where the branch road meets the main road, the millimeter wave radar 44 and the early warning module on the branch road column 1 are set towards the branch road; the branch road column I2 is installed at the right turn of the main road , the millimeter-wave radar 44 and the early warning module on the branch road column I2 are set towards the main road; the main road column II3 is installed at the rear of the sidewalk of the main road, and the sidewalk on the side of the intersection close to the direction of oncoming traffic, the main road column II3 The millimeter-wave radar 44 and the early warning module on the upper part are set towards the main road, and the above three early warning modules can respectively provide early warning prompts for oncoming vehicles in three directions.

The perception processor 55 is installed on the branch road and the main road column. When the millimeter wave radar 44 on the branch road column 1 detects the vehicle driving on the branch road, it transmits the detection signal to the main road column I2 and the main road column through the wireless bridge 22 The perception processor 55 of II3 enables the perception processors of the main road column I2 and the main road column II3 to control the early warning module to give a warning. The detection signal is transmitted to the perception processor 55 of the branch column 1 through the wireless network bridge 22, so that the perception processor of the branch column 1 controls the early warning module to give an alert.

The solar panel 11 is installed on the top of the column to receive sunlight, the millimeter-wave radar 44, the digital player 33, and the network bridge 22 are installed on the support frame of the column at a height of 3.8m, and the warning sign 77 with lights is installed at a height of 3m on the column. The yellow flashing warning light 66 is installed above the lighted warning sign 77 , and the perception processor 55 is installed above the yellow flashing warning light 66 .

During operation, the millimeter-wave radar 44 performs real-time detection on the main road and the driving vehicle on the branch road respectively, the detection signal of the main road millimeter-wave radar 44 is sent to the perception processor 55 of the branch road, and the detection signal of the branch road millimeter-wave radar 44 is sent. For the perception processor 55 of the trunk road, the perception processor 55 controls the early warning module according to the detection signal, and the perception processor 55 is connected with the early warning module through a relay and a photosensitive relay. 1) During the day: when a vehicle enters, When the detection signal arrives, the perception processor 55 controls the digital player 33 to perform a sound broadcast warning, the yellow flashing warning light 66 flashes in yellow, and the lighted warning sign 77 flashes red; 2) At night, the perception processor 55 controls the yellow flashing warning The light 66 flashes yellow, the warning sign with light 77 flashes red, and the warning sign 77 with light on the branch road is marked as "give", and at the same time broadcasts "decelerate comity", so that the driver of the branch road vehicle is polite to the vehicle on the main road, and the main road The warning sign 77 with lights is marked as "slow", and at the same time broadcasts "slow down", so that the driver of the main road vehicle knows that there are vehicles on the branch road, and pay attention to observe the road conditions, so that the driver of the main road vehicle can be reminded of the vehicle situation on the branch road , the vehicles on the branch road, the drivers on the main road, and the vehicles on the main road, so that both sides can pass safely.

Millimeter-wave radar is connected to the service platform. The detection target, status and fault conditions of the radar can be checked through the service platform. The camera can be used to check the actual situation on site. When a fault occurs, the platform will alarm in time, and the platform can accurately Quickly understand the failures of each module of the system or the problems that occur on site, and the staff can make corresponding countermeasures after understanding the corresponding problems through the platform, eliminating the gap period and ensuring the warning effect.

Example 2:

As shown in Figure 7-8, for the safety early warning system for curves, the detection module adopts millimeter-wave radar 44. The millimeter-wave radar 44 detects the continuous driving stable vehicle target, which can avoid the interference of other objects and improve the detection accuracy. , the data detected by the detection module is transmitted through the wireless bridge 22;

The control module adopts the perception processor 55, and the perception processor 55 is used to receive the signal of the wireless network bridge 22, and control the early warning module according to the signal of the wireless network bridge 22;

The early warning module is used to give sound and light warning to the driver of the vehicle, indicating that there is a vehicle passing by. The early warning module includes a digital player 33, a yellow flashing warning light 66, and an LED display screen 88. The digital player 33 can emit sound to warn the driver of the vehicle. , through the photosensitive relay to control the sound during the day and no sound at night, reducing the interference to the residents, the yellow flashing warning light 66 warns by flashing the light, and reminds the driver of the vehicle to avoid or slow down through the flashing light, and obtain the real-time speed of the vehicle through the millimeter-wave radar 44 , the current speed of the vehicle can be displayed on the LED display 88, and at the same time, the driver is reminded whether it is overspeeding, and the combination of the three is used to warn the situation, which can avoid the situation where the warning is not enough, and improve the warning effect;

The power supply module includes a solar panel 11 and a battery. The solar panel 11 is connected to the battery buried in the ground and each module. During the day, it supplies power to each module and charges the battery. At night, the battery supplies power to each module, which can reduce the use and dependence on mains electricity. , can reduce the cost of use.

The solar panel 11 is installed on the top of the column to receive sunlight, the millimeter-wave radar 44, the digital player 33, and the network bridge 22 are installed on the support frame of the column at a height of 3.8m, and the LED display 88 is installed at a height of 3m on the column. The flashing warning light 66 is installed above the LED display screen 88 , and the perception processor 55 is installed above the yellow flashing warning light 66 .

The safety early warning system for corners, detects and warns of vehicle conditions at the corners of the outer curve and the inner curve, sets up the outer column 4 at the corner of the outer curve, and sets up the outer column 4 at the corner of the outer curve, and at the corner of the inner curve Set up on the inner column 5 of the curve, the outer column 4 of the curve and the inner column 5 of the curve are equipped with a millimeter wave radar 4 4 , a wireless network bridge 22, a perception processor 55, a solar panel 11, an early warning module, and the outer column of the curve. The millimeter-wave radar 44 on 4 and the early warning module are set towards the car at the turn of the outer curve, and the millimeter-wave radar 44 on the inner corner column 5 and the early warning module are set towards the car at the turn of the inner curve. , so that the warning can be given to the vehicles coming in two directions respectively.

When the millimeter-wave radar 44 on the column 4 on the outside of the curve detects an oncoming vehicle from the outside curve, it transmits the detection signal to the perception processor 55 of the column 5 on the inside of the curve through the wireless bridge 22, so that the column 5 on the inside of the curve is transmitted to the perception processor 55. The perception processor controls the early warning module to warn; when the millimeter-wave radar 44 on the inner column 5 of the curve detects an oncoming vehicle on the inner curve, it transmits the detection signal to the outer column 4 of the curve through the wireless bridge 22. The perception processor 55 enables the perception processor of the outer column 4 of the curve to control the early warning module to give an alert.

When working, the perception processor 55 controls the early warning module according to the detection signal, and the perception processor 55 is connected to the early warning module through a relay and a photosensitive relay. When the speed is not exceeded, the LED display 88 displays the current vehicle speed, and displays "Curved road section, pay attention to slow down", the words are displayed in green when not speeding, and the words are displayed in red when speeding;

2) When a vehicle enters, the detection signal comes, the perception processor 55 controls the digital player 33 to broadcast the sound of "curved road section, slow down" to warn and the yellow flashing warning light 66, the yellow light flashes, and the LED display screen 88 displays the current speed, and displays "Curved road section, pay attention to slow down", the words are displayed in green when not speeding, and the words are displayed in red when speeding.

At night, 1) When there is no vehicle entering, the LED display 88 displays the current vehicle speed, and displays "Curved road section, pay attention to slow down", the words are displayed in green when not speeding, and the words are displayed in red when speeding;

2) When a vehicle enters, the perception processor 55 controls the yellow flashing warning light 66 to flash the yellow light, and the LED displays 8 to 8 display the current vehicle speed and display "Curved road section, pay attention to slow down", and the words are displayed in green when not speeding , the words are displayed in red when speeding, so that the driver in the curve can understand the vehicle situation in the blind spot of the curve and the speed of the vehicle, and slow down in advance, so that both parties can pass safely.

The technical principle of the present invention has been described above with reference to the specific embodiments. These descriptions are only for explaining the principle of the present invention, and should not be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can think of other specific embodiments of the present invention without creative efforts, and these methods will fall within the protection scope of the claims of the present invention.

Claims (7)

1. A rural road safety early warning system, comprising: a power supply module, a detection module, a control module and an early warning module, the power supply module is used to supply power to the detection module, the control module and the early warning module, and the control module is used to receive information from the detection module , and control the work of the early warning module; it is characterized in that the above modules are installed on a column, the column is arranged at the intersection of the branch road and the trunk road, and the column includes: a branch road column (1), a trunk road column I (2) ), main road column II (3), which are respectively set at the right turn where the branch road meets the main road, the right turn of the main road, and behind the sidewalk in the direction of the traffic coming from the main road; the detection modules on the column face the branch road respectively The direction of oncoming vehicles, the direction of oncoming vehicles on the main road, and the direction of oncoming vehicles on the main road are set. The detection module transmits the detected vehicle information to the control modules on other columns, which are used to obtain the branch roads and main roads near the vehicle. The control module on the same column is electrically connected with the early warning module, and the early warning module and the detection module on the same column face the same direction. 2 . The rural road safety early warning system according to claim 1 , wherein the power supply module comprises a solar panel ( 11 ) and a battery, and the solar panel ( 11 ) is installed on the top of the column. 3 . 3. The rural road safety early warning system according to claim 1, characterized in that: the detection module adopts a millimeter-wave radar (44), and the millimeter-wave radar (44) is installed on the support frame of the column, and is used to detect Stable vehicle targets that are traveling continuously are detected. 4. The rural road safety early warning system according to claim 3, characterized in that: the control module adopts a perception processor (55), the perception processor (55) and the millimeter wave radar (44) on other columns A data connection is realized between them through a wireless network bridge (22). 5. The rural road safety early warning system according to claim 4, characterized in that: a photosensitive relay and a relay are connected between the early warning module and the perception processor (55) for realizing independent control of day and night , the early warning module includes a digital player (33), a yellow flashing warning light (66), and a warning sign with light (77). 6. The rural road safety early warning system according to claim 5, characterized in that: the column is also arranged at the curve, including the outer column (4) of the curve and the inner column (5) of the curve, respectively set up on the outer side At the corner of the curve and the curve of the inner curve, the millimeter wave radar (44) and the early warning module face the direction of the oncoming vehicle, and the perception processor (55) on the outer column (4) of the curve passes through the wireless network bridge (22) Receive the detection information of the upper millimeter wave radar (44) on the column (5) on the inner side of the curve; the perception processor (55) on the column (5) on the inner side of the curve receives the outer side of the outer curve through the wireless network bridge (22). Detection information of the millimeter wave radar (44) on the column (4). 7. The rural road safety early warning system according to claim 6, wherein the early warning module comprises a digital player (33), a yellow flashing warning light (66) and an LED display screen (88), the LED display The screen (88) is used to display the vehicle speed, and the LED display screen (88) displays words in different colors for different vehicle speeds.

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