CN104867340B - The method and system that a kind of urban transportation is let pass for emergency vehicles - Google Patents

The method and system that a kind of urban transportation is let pass for emergency vehicles Download PDF

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Publication number
CN104867340B
CN104867340B CN201510195460.9A CN201510195460A CN104867340B CN 104867340 B CN104867340 B CN 104867340B CN 201510195460 A CN201510195460 A CN 201510195460A CN 104867340 B CN104867340 B CN 104867340B
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emergency vehicles
information
control centre
car
pass
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CN104867340A (en
Inventor
杨春霞
鲍铁男
伍文璐
符义琴
倪君
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Pizhou Jingpeng Venture Capital Co Ltd
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Nanjing University of Information Science and Technology
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Abstract

The invention discloses the method and system that a kind of urban transportation is let pass for emergency vehicles, methods described includes that emergency vehicles are communicated with control centre, control centre planning optimal route, control centre's real-time update have route most, and semaphore is let pass to the emergency vehicles reaching crossing;Described system includes emergency vehicles end, signal generator terminal and control centre, emergency vehicles end includes car-mounted terminal and the GPRS module being attached thereto respectively and Zigbee sending module, and signal generator terminal includes signal machine controller and the signal lighties being attached thereto respectively, electrical screen and Zigbee receiver module.The present invention plans, advance reservation rescues route to corresponding rescue route after having an accident in advance, and preferentially can give way for it when vehicle reaches crossing, has saved rescue time, has improve rescue quality.

Description

The method and system that a kind of urban transportation is let pass for emergency vehicles
Technical field
The invention belongs to public transport technical field, a kind of method let pass for emergency vehicles particularly to urban transportation And system.
Background technology
With social development, motor vehicles are increasingly becoming one of main walking-replacing tool of people's trip.The popularization of vehicle Increase the pressure of urban transportation, but 120,110,119 grade urban SOS work but require breakdown lorry can reach in time now Field is it is therefore desirable to semaphore is to its prior-release.Traditional emergency vehicles avoid and mostly pertain only to single crossing, arrive in vehicle When reaching crossing, provide priority pass for it, rescue route is not done with unified planning and reserves and warn in advance.Work as breakdown lorry When reaching crossing, due to traffic congestion, even if it is provided with prior-release, rescue route also cannot be dredged in time, delay rescue On opportunity, reduce rescue quality.
Content of the invention
In order to solve the technical problem that above-mentioned background technology proposes, the present invention is intended to provide a kind of urban transportation is emergency car The method and system let pass, sets up unified emergent travel route to whole rescue route, can not only carry after having an accident Front, being planned, advance reservation rescues route to corresponding rescue route, and preferentially can allow for it when vehicle reaches crossing OK, saved rescue time, improve rescue quality.
In order to realize above-mentioned technical purpose, the technical scheme is that:
A kind of method that urban transportation is let pass for emergency vehicles, comprises the following steps:
(1)The car-mounted terminal of emergency vehicles after being connected to rescue information, by vehicle position information, vehicle natural information, car Fast information, accident spot information, whether return information is sent to control centre by radio communication;
(2)Control centre, according to the road traffic condition between vehicle location and accident spot, cooks up an optimum road After line, route information is sent to the car-mounted terminal of emergency vehicles, the distance according to speed information and optimal route calculates and answers simultaneously Anxious vehicle reaches the time of each traffic signaling equipment, and time of by the natural information of emergency vehicles, reaching each traffic signaling equipment and Reserved lane information is sent to each traffic signaling equipment;
(3)The car-mounted terminal of emergency vehicles goes to accident spot by this route after receiving optimal route, and by vehicle Positional information, speed information are sent to control centre in real time, and control centre is by the real-time speed information of the emergency vehicles receiving Compare with the low speed threshold values of setting, when real-time speed is less than low speed threshold values, represent this route congestion, control centre plans again Route is sent to the car-mounted terminal of emergency vehicles, calculates the time that emergency vehicles reach each traffic signaling equipment on variation route, and will The natural information of emergency vehicles, the time of each traffic signaling equipment of arrival are sent to each traffic signaling equipment on variation route;Friendship on the way The information that messenger machine sends according to control centre, in the natural information of electronics screen display emergency vehicles, the arriving of emergency vehicles Reach time and reserved lane information;
(4)During emergency vehicles exterior traffic mouth, channel radio set up by the semaphore of the car-mounted terminal of emergency vehicles and traffic mouth Letter, this car information and clearance request are sent to semaphore by emergency vehicles, and semaphore is by the information of vehicles receiving and control The information of vehicles that the heart is sent is mated, and is confirmed whether to let pass, and after clearance, semaphore is to control centre's transmission clearance vehicle Information.
Further, step(1)The car-mounted terminal of middle emergency vehicles is realized wireless with control centre by GPRS technology Communication.
Further, step(2)The natural information of middle emergency vehicles includes the numbering of emergency vehicles and the class of emergency vehicles Type.
Further, the type of emergency vehicles includes police car, ambulance and fire fighting truck.
Further, different types of emergency vehicles have different current priority, when having many emergency vehicles simultaneously Reach a traffic mouth, and when their travel direction is inconsistent, semaphore determines according to the current priority of emergency vehicles Current order.
Further, step(4)The car-mounted terminal of middle emergency vehicles sets up the communication with semaphore by ZigBee technology Connect.
Further, step(4)In, at once signal lighties are in a disguised form operated after semaphore confirms and can let pass, when Emergency vehicles behind crossing, control signal lamp reinstatement state at once.
Present invention additionally comprises the system that a kind of urban transportation is let pass for emergency vehicles, including emergency vehicles end, signal generator terminal And control centre, described emergency vehicles end includes car-mounted terminal and the GPRS module being attached thereto respectively and Zigbee sends Module, described signal generator terminal includes signal machine controller and the signal lighties being attached thereto respectively, electrical screen and Zigbee receive Module, car-mounted terminal is realized and the radio communication of control centre by GPRS module, car-mounted terminal pass through Zigbee sending module, Zigbee receiver module realizes the radio communication with signal machine controller.
The beneficial effect brought using technique scheme:
The present invention is reasonable in design, realization is convenient and practical, after accident occurs, rescue route can be carried out in advance Planning, advance reservation, before vehicle reaches crossing, crossing vehicle is warned, provide priority pass clothes for emergency vehicles in time Business, improves rescue efficiency, also builds the environment of safety traffic for people, is easy to promote the use of.
Brief description
Fig. 1 is method of the present invention flow chart.
Fig. 2 is the block diagram of system of the present invention.
Fig. 3 is the road control schematic diagram of the present embodiment.
Specific embodiment
Below with reference to accompanying drawing, technical scheme is described in detail.
Method of the present invention flow chart as shown in Figure 1, a kind of method that urban transportation is let pass for emergency vehicles, including following Step:
(1)The car-mounted terminal of emergency vehicles after being connected to rescue information, by vehicle position information, vehicle natural information, car Fast information, accident spot information, whether return information is sent to control centre by radio communication;
(2)Control centre, according to the road traffic condition between vehicle location and accident spot, cooks up an optimum road After line, route information is sent to the car-mounted terminal of emergency vehicles, the distance according to speed information and optimal route calculates and answers simultaneously Anxious vehicle reaches the time of each traffic signaling equipment, and time of by the natural information of emergency vehicles, reaching each traffic signaling equipment and Reserved lane information is sent to each traffic signaling equipment;
(3)The car-mounted terminal of emergency vehicles goes to accident spot by this route after receiving optimal route, and by vehicle Positional information, speed information are sent to control centre in real time, and control centre is by the real-time speed information of the emergency vehicles receiving Compare with the low speed threshold values of setting, when real-time speed is less than low speed threshold values, represent this route congestion, control centre plans again Route is sent to the car-mounted terminal of emergency vehicles, calculates the time that emergency vehicles reach each traffic signaling equipment on variation route, and will The natural information of emergency vehicles, the time of each traffic signaling equipment of arrival are sent to each traffic signaling equipment on variation route;Friendship on the way The information that messenger machine sends according to control centre, in the natural information of electronics screen display emergency vehicles, the arriving of emergency vehicles Reach time and reserved lane information;
(4)During emergency vehicles exterior traffic mouth, channel radio set up by the semaphore of the car-mounted terminal of emergency vehicles and traffic mouth Letter, this car information and clearance request are sent to semaphore by emergency vehicles, and semaphore is by the information of vehicles receiving and control The information of vehicles that the heart is sent is mated, and is confirmed whether to let pass, and after clearance, semaphore is to control centre's transmission clearance vehicle Information.
In the present embodiment, step(1)The car-mounted terminal of middle emergency vehicles passes through GPRS technology and realizes and control centre Radio communication.
In the present embodiment, step(2)The natural information of middle emergency vehicles includes numbering and the emergency vehicles of emergency vehicles Type.
In the present embodiment, the type of emergency vehicles includes police car, ambulance and fire fighting truck.
In the present embodiment, different types of emergency vehicles have different current priority, when there being many emergency vehicles Reach a traffic mouth simultaneously, and when their travel direction is inconsistent, semaphore is according to the current priority of emergency vehicles Determine current order.
In the present embodiment, step(4)The car-mounted terminal of middle emergency vehicles is set up and semaphore by ZigBee technology Communication connection.
In the present embodiment, step(4)In, at once signal lighties are in a disguised form grasped after semaphore confirms and can let pass Make, when emergency vehicles are behind crossing, control signal lamp reinstatement state at once.
The as shown in Figure 2 block diagram of system of the present invention, the system that a kind of urban transportation is let pass for emergency vehicles, including answering Anxious vehicle end, signal generator terminal and control centre, described emergency vehicles end includes car-mounted terminal and is attached thereto respectively GPRS module and Zigbee sending module, the signal that described signal generator terminal includes signal machine controller and is attached thereto respectively Lamp, electrical screen and Zigbee receiver module, car-mounted terminal realizes the radio communication with control centre, vehicle-mounted end by GPRS module The radio communication with signal machine controller is realized at end by Zigbee sending module, Zigbee receiver module.Emergency vehicles reach During traffic mouth, by Zigbee sending module and current intersection annunciator, Zigbee receiver module is communicated, and informs at present The information of vehicle and request are let pass and are confirmed, after current intersection annunciator receives the request clearance information of car-mounted terminal, will receive The information of vehicles that sends with control centre of information of vehicles mated, if the match is successful, let pass, and according to control centre The vehicle lane change information sending, changes the state of signal lighties, points out current lane change reason and lane change choosing in electrical screen simultaneously Select(Straight trip or left and right turning etc.).After clearance, the signal machine controller at current crossing sends vehicle to control centre and lets pass Information.After receiving confirmation of letting pass, next intersection annunciator is sent with it is next crossing signals machine information for control centre, In electronics screen display, it is nearest intersection annunciator to next intersection annunciator, and prepares to let pass.When vehicle reaches last During individual crossing, whether control centre end comprises return according to vehicle, selects whether this priority pass route terminates, if vehicle bag Information containing return, then, during vehicle return, provide prior-release to vehicle.
The road control schematic diagram of the present embodiment as shown in Figure 3, after receiving rescue information, control centre cooks up optimum Route is after receiving rescue information, and control centre cooks up optimal route 5-4 to 5-5, and semaphore 5-2,5-3 etc. are in notice board Upper prompting this track of other vehicles is the reserved track of emergency vehicles 5-7, when control centre detects the speed of emergency vehicles 5-7 When slower, programme path is 5-4 to 5-6 again, and so that 5-5 is recovered to original state, and next intersection annunciator 5-3 hint way changes Become, and to its reserved route, emergency vehicles 5-7 changes route to 5-6 by force at next crossing, emergency vehicles behind crossing, Semaphore returns to normal condition.
Above example technological thought only to illustrate the invention is it is impossible to limit protection scope of the present invention with this, every According to technological thought proposed by the present invention, any change done on the basis of technical scheme, each fall within the scope of the present invention Within.

Claims (6)

1. a kind of method that urban transportation is let pass for emergency vehicles is it is characterised in that comprise the following steps:
(1) car-mounted terminal of emergency vehicles, after being connected to rescue information, vehicle position information, vehicle natural information, speed is believed Breath, accident spot information, whether return information is sent to control centre by radio communication;Described vehicle natural information includes should The numbering of anxious vehicle and the type of emergency vehicles;
(2) control centre is according to the road traffic condition between vehicle location and accident spot, after cooking up an optimal route Route information is sent to the car-mounted terminal of emergency vehicles, the distance according to speed information and optimal route calculates emergency car simultaneously Reach the time of each traffic signaling equipment, and time of by the natural information of emergency vehicles, reaching each traffic signaling equipment and reserved Lane information is sent to each traffic signaling equipment;
(3) car-mounted terminal of emergency vehicles goes to accident spot by this route after receiving optimal route, and by vehicle location Information, speed information are sent to control centre in real time, control centre by the real-time speed information of the emergency vehicles receiving with set The low speed threshold values put compares, and when real-time speed is less than low speed threshold values, represents this route congestion, control centre's programme path again It is sent to the car-mounted terminal of emergency vehicles, calculate the time that emergency vehicles reach each traffic signaling equipment on variation route, and will meet an urgent need The natural information of vehicle, the time of each traffic signaling equipment of arrival are sent to each traffic signaling equipment on variation route;Traffic letter on the way Number information that machine sends according to control centre, in natural information, the arrival of emergency vehicles of electronics screen display emergency vehicles Between and reserved lane information;
(4) during emergency vehicles exterior traffic mouth, radio communication set up by the semaphore of the car-mounted terminal of emergency vehicles and traffic mouth, should This car information and clearance request are sent to semaphore by anxious vehicle, and the information of vehicles receiving is sent by semaphore with control centre Information of vehicles mated, be confirmed whether to let pass, after clearance, semaphore sends the information of clearance vehicle to control centre.
2. a kind of urban transportation is let pass for emergency vehicles according to claim 1 method it is characterised in that:In step (1) The car-mounted terminal of emergency vehicles passes through GPRS technology and realizes the radio communication with control centre.
3. a kind of urban transportation is let pass for emergency vehicles according to claim 1 method it is characterised in that:Emergency vehicles Type includes police car, ambulance and fire fighting truck.
4. a kind of urban transportation is let pass for emergency vehicles according to claim 3 method it is characterised in that:Different types of Emergency vehicles have different current priority, when there being many emergency vehicles to reach a traffic mouth simultaneously, and their row Sail direction inconsistent when, semaphore determines current order according to the current priority of emergency vehicles.
5. a kind of urban transportation is let pass for emergency vehicles according to claim 1 method it is characterised in that:In step (4) The car-mounted terminal of emergency vehicles sets up the communication connection with semaphore by ZigBee technology.
6. a kind of urban transportation is let pass for emergency vehicles according to claim 1 method it is characterised in that:In step (4), At once signal lighties are in a disguised form operated after semaphore confirms and can let pass, when emergency vehicles are behind crossing, controlled at once Signal lighties reinstatement state.
CN201510195460.9A 2015-04-23 2015-04-23 The method and system that a kind of urban transportation is let pass for emergency vehicles Active CN104867340B (en)

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