CN113870594A - Special vehicle avoidance reminding system and method under smart city scene - Google Patents
Special vehicle avoidance reminding system and method under smart city scene Download PDFInfo
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- CN113870594A CN113870594A CN202111136520.1A CN202111136520A CN113870594A CN 113870594 A CN113870594 A CN 113870594A CN 202111136520 A CN202111136520 A CN 202111136520A CN 113870594 A CN113870594 A CN 113870594A
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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
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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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
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- H04L67/52—Network services specially adapted for the location of the user terminal
Abstract
The invention relates to a special vehicle avoidance reminding method in a smart city scene, which comprises the following steps: the method comprises the steps of obtaining a driving route of a special vehicle when the special vehicle executes a task, and finding out all intelligent guideboards corresponding to the driving route; acquiring real-time position information of the special vehicle, calculating the real-time distance between the real-time position of the special vehicle and each intelligent guideboard, and further calculating the remaining time of the special vehicle reaching each intelligent guideboard according to the real-time distance budget; and forming reminding information according to the residual time obtained by the budget and sending the reminding information to each intelligent guideboard for reminding. The reminding method enables the special vehicle to smoothly run along the running route by reminding the vehicle on the road to avoid in advance, and reduces the phenomenon that the running time of the special vehicle is prolonged and further the serious influence on life and property safety is caused due to untimely avoidance.
Description
Technical Field
The invention relates to the technical field of communication engineering, in particular to a special vehicle avoidance reminding system and method in a smart city scene.
Background
Under the modern urban traffic scene, road traffic jam is a normalized phenomenon. When some special vehicles are performing tasks, the tasks are easy to fail or delay due to traffic congestion, and serious consequences are caused, such as ambulances, fire trucks and the like. Currently, in such a scenario, the common method is: the alarm bell carried on the special vehicle is used for making a sound in the passing process to remind the vehicle of avoiding.
Such methods are relatively primitive and suffer from the following problems: the alarm range is small, and the special vehicle can be known to have a task to execute only when the special vehicle is close to an ambulance or a fire engine. This may result in failure to avoid. Such as: the road traffic jam is serious, and the vehicle in front can not change lanes.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a special vehicle avoidance reminding system and method in a smart city scene, and solves the problem that avoidance cannot be performed easily due to a small range in the existing alarm bell alarming mode.
The technical scheme for realizing the purpose is as follows:
the invention provides a special vehicle avoidance reminding method in a smart city scene, which comprises the following steps:
the method comprises the steps of obtaining a driving route of a special vehicle when the special vehicle executes a task, and finding out all intelligent guideboards corresponding to the driving route;
acquiring real-time position information of the special vehicle, calculating the real-time distance between the real-time position of the special vehicle and each intelligent guideboard, and further calculating the remaining time of the special vehicle reaching each intelligent guideboard according to the real-time distance budget; and
and forming reminding information according to the residual time obtained by the budget and sending the reminding information to each intelligent guideboard for reminding.
The reminding method of the invention carries out real-time positioning on the position of the special vehicle, further calculates the residual time of the special vehicle which is estimated to reach each intelligent guideboard in real time, and carries out reminding before lifting the intelligent guideboard so as to lead the vehicles on the road to carry out avoidance in advance, thus leading the special vehicle to be capable of smoothly running along the running route, and reducing the phenomenon that the running time of the special vehicle is prolonged and further the serious influence is caused on the life and property safety because of untimely avoidance. The reminding method can shorten the running time of the special vehicle in the task execution process to a certain extent, so that the special vehicle can quickly reach the destination, and the task execution efficiency is improved.
The invention further improves the special vehicle avoidance reminding method under the smart city scene, and further comprises the following steps:
prestoring a traffic electronic map with intelligent guideboard marks;
when all the intelligent guideboards corresponding to the driving routes are searched, the driving routes are drawn on the traffic electronic map, and the intelligent guideboards positioned on the drawn driving routes are obtained from the traffic electronic map.
The method for reminding the avoidance of the special vehicle in the smart city scene is further improved in that when the remaining time is calculated, the historical traffic flow speed of the corresponding road section is obtained, and the corresponding remaining time is obtained by using the obtained historical traffic flow speed and the real-time distance budget.
The invention further improves the special vehicle avoidance reminding method under the smart city scene, wherein the step of acquiring the real-time position information of the special vehicle comprises the following steps:
and the system is in communication connection with a vehicle-mounted positioning module arranged on the special vehicle and receives real-time position information of the vehicle-mounted positioning module.
The method for reminding the avoidance of the special vehicle in the smart city scene is further improved in that when the reminding information is formed, the driving direction of the special vehicle passing through the intelligent street nameplate is obtained, and the obtained driving direction is added into the reminding information for reminding.
The invention also provides a special vehicle avoidance reminding system under the smart city scene, which comprises the following components:
the acquisition unit is used for acquiring a driving route and real-time position information of the special vehicle when the special vehicle executes a task;
the searching unit is connected with the acquiring unit and used for searching out all corresponding intelligent guideboards according to the driving route acquired by the acquiring unit;
the processing unit is connected with the acquisition unit and the searching unit and used for calculating the real-time distance between the real-time position of the special vehicle and each intelligent guideboard, further budgeting the residual time of the special vehicle reaching each intelligent guideboard according to the real-time distance and forming reminding information based on the residual time; and
and the reminding unit is connected with the processing unit and is in communication connection with each intelligent guideboard and used for sending reminding information to the corresponding intelligent guideboard for reminding.
The special vehicle avoidance reminding system under the smart city scene is further improved by comprising a storage unit, a warning unit and a warning unit, wherein the storage unit is used for prestoring a traffic electronic map with an intelligent guideboard mark;
the searching unit is connected with the storage unit and used for reading the traffic electronic map and drawing the driving route on the traffic electronic map so as to obtain the intelligent guideboard positioned on the drawn driving route.
The special vehicle avoidance reminding system under the smart city scene is further improved in that the processing unit is further used for obtaining the historical traffic flow speed of the corresponding road section, and further obtaining the corresponding remaining time by utilizing the historical traffic flow speed and the real-time distance budget.
The special vehicle avoidance reminding system under the smart city scene is further improved in that the acquisition unit is in communication connection with a vehicle-mounted positioning module arranged on the special vehicle, and real-time position information of the special vehicle is acquired in real time through the vehicle-mounted positioning module.
The special vehicle avoidance reminding system under the smart city scene is further improved in that the processing unit is further used for acquiring the driving direction of the special vehicle after the special vehicle passes through the intelligent guideboard when reminding information is formed, and adding the acquired driving direction into the reminding information.
Drawings
Fig. 1 is a flowchart of a special vehicle avoidance reminding method in a smart city scene.
Fig. 2 is a system diagram of a special vehicle avoidance reminding system in a smart city scene according to the invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a special vehicle avoidance reminding system and method in a smart city scene, which utilize an internet of things system to inform vehicles on a road in advance of the expected arrival time of rear special vehicles, so that the vehicles on the road can avoid in advance, the passing efficiency of the special vehicles can be effectively increased, traffic intelligence is realized, the efficiency of executing tasks by the special vehicles is improved, the phenomena of incapability of avoiding and untimely avoiding are reduced, and the guarantee on the safety of life and property can be further improved. The following describes a special vehicle avoidance reminding system and method in a smart city scene with reference to the accompanying drawings.
Referring to fig. 2, a system diagram of the special vehicle avoidance reminding system in the smart city scene is shown. The following describes the special vehicle avoidance reminding system in the smart city scene with reference to fig. 2.
As shown in fig. 2, the special vehicle avoidance reminding system in the smart city scene of the present invention includes an obtaining unit 21, a searching unit 22, a processing unit 23 and a reminding unit 24, wherein the obtaining unit 21 is connected to the searching unit 22, the processing unit 23 is connected to both the obtaining unit 21 and the searching unit 22, and the reminding unit 24 is connected to the processing unit 23. The acquiring unit 21 is used for acquiring a driving route and real-time position information of the special vehicle when the special vehicle executes a task; the searching unit 22 is configured to search for all corresponding intelligent guideboards according to the driving route acquired by the acquiring unit 21; the processing unit 23 is configured to calculate a real-time distance between the real-time position of the special vehicle and each intelligent guideboard, further estimate a remaining time of the special vehicle according to the real-time distance, and form a reminding message based on the remaining time; the reminding unit 24 is also in communication connection with each intelligent guideboard, and is configured to send reminding information to the corresponding intelligent guideboard for reminding.
The remaining time contained in the reminding information is the time when the special vehicle reaches the corresponding intelligent guideboard, namely when the remaining time is 2 minutes, the reminding information displayed on the intelligent guideboard indicates that the special vehicle will reach after 2 minutes, and all vehicles are requested to avoid in advance.
The processing unit 23 of the invention dynamically calculates the remaining time according to the real-time position of the special vehicle to realize more accurate prejudgment of the arrival time of the special vehicle, and then displays the reminding information through the intelligent guideboard to remind the vehicle on the road to avoid, thereby reducing the phenomenon that the vehicle on the road cannot avoid in time or cannot avoid when the special vehicle runs, and improving the traffic efficiency of the special vehicle.
In a specific embodiment of the invention, the reminding system further comprises a storage unit, a display unit and a reminding unit, wherein the storage unit is used for prestoring a traffic electronic map with an intelligent guideboard sign; the searching unit 22 is connected to the storage unit, and is configured to read the traffic electronic map and draw the driving route on the traffic electronic map, so as to obtain the intelligent guideboard located on the drawn driving route.
The intelligent guideboard obtained by the search unit 22 includes the name, communication address and installation location information of the intelligent guideboard. Preferably, the intelligent guideboard identifier set on the traffic electronic map includes names of the intelligent guideboards, a statistical information table of all the intelligent guideboards on the urban traffic road is pre-stored in the storage unit, the statistical information table includes names, communication addresses and installation position information of the intelligent guideboards, and the searching unit 22 obtains the corresponding communication addresses and installation position information from the statistical information table based on the intelligent guideboard identifier after obtaining the intelligent guideboard identifier on the traffic electronic map.
Further, when all the intelligent guideboards located on the drawn driving route are obtained, the search unit 22 sequentially stores the information of the intelligent guideboards according to the passing order of the special vehicle to form a storage list of the intelligent guideboards. When calculating the remaining time of the special vehicle, the processing unit 23 reads the installation position information of each intelligent guideboard in sequence, calculates the real-time distance from the real-time position of the special vehicle, and further calculates the remaining time. The processing unit 23 is further configured to delete the intelligent guideboard from the storage list after the special vehicle passes through the corresponding intelligent guideboard, so that the remaining time corresponding to the intelligent guideboard is not repeatedly calculated subsequently.
In an embodiment of the present invention, the processing unit 23 is further configured to obtain a historical traffic speed of the corresponding road segment, and further obtain the corresponding remaining time by using the historical traffic speed and the real-time distance budget.
Preferably, the historical traffic flow speed of the corresponding road section can be calculated according to the historical data of the road, the historical data of the road can be obtained from the existing urban traffic management platform, the urban traffic management platform can monitor the traffic flow and the traffic flow speed of each road section in each time period in real time, and therefore the corresponding historical traffic flow speed can be obtained through statistics based on the monitoring data.
In an embodiment of the present invention, the obtaining unit 21 is in communication connection with a vehicle-mounted positioning module disposed on the special vehicle, and obtains real-time position information of the special vehicle in real time through the vehicle-mounted positioning module.
In an embodiment of the present invention, the processing unit 23 is further configured to, when forming the reminding information, obtain a driving direction of the special vehicle after passing through the intelligent road sign, and add the obtained driving direction to the reminding information.
The processing unit 23 can read the driving route drawn by the searching unit 22 on the traffic electronic map, and when calculating the real-time distance and remaining time between the special vehicle and the corresponding intelligent guideboard, the processing unit 23 also obtains the driving direction behind the corresponding intelligent guideboard on the driving route, and adds the driving direction into the reminding information, so that the vehicle on the road can know the subsequent driving direction of the special vehicle in advance, and effective avoidance is realized. When the driving direction of the special vehicle passing through the intelligent guideboard is the same as the original driving direction, namely the special vehicle is in straight driving, the prompt information at the moment can be ' please all vehicles to avoid to the right ', and the special vehicle will go straight subsequently '; when the special vehicle needs to turn left after passing through the intelligent guideboard, the prompt message can be 'please all vehicles to avoid the left-turn lane, and the special vehicle turns left later'; when the special vehicle needs to turn right after passing through the intelligent guideboard, the prompt message can be 'please all vehicles to avoid a right-turn lane, and the special vehicle will turn right later'. Through the warning function in advance of intelligence signpost, can let the vehicle on the road carry out the doubling in advance and let the way, especially to the road that can turn and can go straight, through the warning of intelligence signpost for straight going vehicle can be as early as possible merge into straight going exclusive road on, avoid the occupation to the road that can turn and can go straight, can improve special vehicle's current efficiency.
In an embodiment of the present invention, the reminding system of the present invention is disposed in a cloud, wherein the obtaining unit 21, the searching unit 22, the processing unit 23 and the reminding unit 24 are all disposed in the cloud. In order to establish the connection between the acquisition unit and the special vehicle, the reminding system is further provided with a mobile terminal which can be installed on a vehicle-mounted terminal of the special vehicle in an application program mode, and the mobile terminal can establish communication connection with the acquisition unit 21 at the cloud end. When the special vehicle executes a task, a driver of the special vehicle opens a mobile terminal installed on a vehicle-mounted terminal, so that the mobile terminal can establish communication connection with a cloud end, the mobile terminal sends a task execution instruction to the cloud end, the cloud end acquisition unit 21 acquires the task execution instruction, and the cloud end processing unit 23 is triggered to start reminding. A driver of the special vehicle sets a destination and selects a driving route through vehicle-mounted navigation, and the mobile terminal sends the driving route to the acquisition unit 21; in the running process of the special vehicle, the vehicle-mounted positioning module obtains the position of the special vehicle in real time, and the mobile terminal sends the real-time position of the special vehicle to the obtaining unit 21. And the cloud dynamically calculates the remaining time of the special vehicle reaching each intelligent guideboard and the running direction of the special vehicle passing through the intelligent guideboards according to the running route and the real-time position of the special vehicle, so as to form reminding information, and the reminding information is issued to the corresponding intelligent guideboards to be displayed and reminded.
In a specific embodiment of the invention, in order to improve the avoidance effect of vehicles on the road, the installation density of the intelligent guideboards on the urban road can be increased, for example, one intelligent guideboard can be installed every 1 kilometer, so that the running time of special vehicles can be effectively shortened, the passing efficiency of the special vehicles can be improved, and the life and property safety of people can be guaranteed. Preferably, intelligence signpost can also be through reforming transform the formation to current signpost, adds display screen, control module and communication module on current signpost and can become it intelligence signpost, utilizes the steerable display screen of control module to show the prompt message that corresponds.
The invention also provides a special vehicle avoidance reminding method in a smart city scene, and the reminding method is explained below.
As shown in fig. 1, the reminding method of the present invention includes the following steps:
step S101 is executed, a driving route of the special vehicle during task execution is obtained, and all intelligent guideboards corresponding to the driving route are found out; then, step S102 is executed;
executing the step S102; acquiring real-time position information of the special vehicle, calculating the real-time distance between the real-time position of the special vehicle and each intelligent guideboard, and further calculating the remaining time of the special vehicle reaching each intelligent guideboard according to the real-time distance budget; then, step S103 is executed;
and step S103 is executed, reminding information is formed according to the residual time obtained by the budget and is sent to each intelligent guideboard for reminding.
In one embodiment of the present invention, the method further comprises:
prestoring a traffic electronic map with intelligent guideboard marks;
when all the intelligent guideboards corresponding to the driving routes are searched, the driving routes are drawn on the traffic electronic map, and the intelligent guideboards positioned on the drawn driving routes are obtained from the traffic electronic map.
In a specific embodiment of the present invention, when calculating the remaining time, the historical traffic flow speed of the corresponding road segment is obtained, and the corresponding remaining time is obtained by using the obtained historical traffic flow speed and the real-time distance budget.
In one embodiment of the present invention, the step of acquiring the real-time location information of the special vehicle includes:
and the system is in communication connection with a vehicle-mounted positioning module arranged on the special vehicle and receives real-time position information of the vehicle-mounted positioning module.
In one embodiment of the invention, when the reminding information is formed, the driving direction of the special vehicle passing through the intelligent road sign is acquired, and the acquired driving direction is added into the reminding information for reminding.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A special vehicle avoidance reminding method in a smart city scene is characterized by comprising the following steps:
the method comprises the steps of obtaining a driving route of a special vehicle when the special vehicle executes a task, and finding out all intelligent guideboards corresponding to the driving route;
acquiring real-time position information of the special vehicle, calculating the real-time distance between the real-time position of the special vehicle and each intelligent guideboard, and further calculating the remaining time of the special vehicle reaching each intelligent guideboard according to the real-time distance budget; and
and forming reminding information according to the residual time obtained by the budget and sending the reminding information to each intelligent guideboard for reminding.
2. The method for reminding avoidance of a special vehicle in a smart city scene as claimed in claim 1, further comprising:
prestoring a traffic electronic map with intelligent guideboard marks;
when all the intelligent guideboards corresponding to the driving routes are searched, the driving routes are drawn on the traffic electronic map, and the intelligent guideboards positioned on the drawn driving routes are obtained from the traffic electronic map.
3. The method for reminding avoidance of a special vehicle in a smart city scene as claimed in claim 1, wherein when calculating the remaining time, obtaining the historical traffic flow speed of the corresponding road section, and using the obtained historical traffic flow speed and the real-time distance budget to obtain the corresponding remaining time.
4. The method for reminding avoidance of a special vehicle in a smart city scene as claimed in claim 1, wherein the step of obtaining real-time location information of the special vehicle comprises:
and the system is in communication connection with a vehicle-mounted positioning module arranged on the special vehicle and receives real-time position information of the vehicle-mounted positioning module.
5. The method for reminding avoiding of special vehicle in smart city scene as claimed in claim 1, wherein when the reminding information is formed, the driving direction of the special vehicle after passing through the smart road sign is obtained, and the obtained driving direction is added to the reminding information for reminding.
6. The utility model provides a warning system is dodged to special type vehicle under wisdom city scene which characterized in that includes:
the acquisition unit is used for acquiring a driving route and real-time position information of the special vehicle when the special vehicle executes a task;
the searching unit is connected with the acquiring unit and used for searching out all corresponding intelligent guideboards according to the driving route acquired by the acquiring unit;
the processing unit is connected with the acquisition unit and the searching unit and used for calculating the real-time distance between the real-time position of the special vehicle and each intelligent guideboard, further budgeting the residual time of the special vehicle reaching each intelligent guideboard according to the real-time distance and forming reminding information based on the residual time; and
and the reminding unit is connected with the processing unit and is in communication connection with each intelligent guideboard and used for sending reminding information to the corresponding intelligent guideboard for reminding.
7. The special vehicle avoidance reminding system under the smart city scene of claim 6, further comprising a storage unit for prestoring a traffic electronic map with intelligent guideboard signs;
the searching unit is connected with the storage unit and used for reading the traffic electronic map and drawing the driving route on the traffic electronic map so as to obtain the intelligent guideboard positioned on the drawn driving route.
8. The system for reminding avoidance of a special vehicle in a smart city scene as claimed in claim 6, wherein the processing unit is further configured to obtain a historical traffic flow speed of a corresponding road section, and further obtain a corresponding remaining time by using the historical traffic flow speed and a real-time distance budget.
9. The special vehicle avoidance reminding system under the smart city scene according to claim 6, wherein the obtaining unit is in communication connection with a vehicle-mounted positioning module arranged on the special vehicle, and real-time position information of the special vehicle is obtained in real time through the vehicle-mounted positioning module.
10. The special vehicle avoidance reminding system in a smart city scene as claimed in claim 6, wherein the processing unit is further configured to obtain a driving direction of the special vehicle after passing through the smart signboard when forming the reminding information, and add the obtained driving direction to the reminding information.
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