CN104867340A - Emergency vehicle release method and system for city traffic - Google Patents
Emergency vehicle release method and system for city traffic Download PDFInfo
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- CN104867340A CN104867340A CN201510195460.9A CN201510195460A CN104867340A CN 104867340 A CN104867340 A CN 104867340A CN 201510195460 A CN201510195460 A CN 201510195460A CN 104867340 A CN104867340 A CN 104867340A
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Abstract
The invention discloses an emergency vehicle release method and system for city traffic. The method comprises an emergency vehicle communicating with a control center, the control center planning an optimal route, the control center updating the optimal route in real time, and a signaler releasing the emergency vehicle arriving at a crossing. The system comprises an emergency vehicle end, a signaler end and the control enter. The emergency vehicle end comprises a vehicle-mounted terminal, and a GPRS module and a Zigbee sending module which are respectively connected with the vehicle-mounted terminal. The signaler end comprises a signaler controller, and a signal lamp, an electronic screen and a Zigbee receiving module which are respectively connected with the signaler controller. According to the invention, after an accident takes place, a corresponding rescue route is planned in advance, the rescue route is reserved in advance, the vehicle preferentially passes through the crossing when arriving at the crossing, the rescue time is reduced, and the rescue quality is improved.
Description
Technical field
The invention belongs to public transport technical field, particularly a kind of urban transportation is the method and system that emergency vehicles are let pass.
Background technology
Along with the development of society, motor vehicles become one of main walking-replacing tool of people's trip gradually.The universal pressure increasing urban transportation of vehicle, but 120,110,119 work such as urban SOS such as grade but require that breakdown lorry can be reached the spot in time, therefore need teleseme to its prior-release.Traditional emergency vehicles are dodged and are mostly only related to single crossing, namely when vehicle arrives crossing, for it provides priority pass, do not do unified planning to rescue route and reserve and warn in advance.When breakdown lorry arrives crossing, due to traffic congestion, even if provide prior-release to it, rescue route also cannot be dredged in time, incurs loss through delay rescue opportunity, reduces rescue quality.
Summary of the invention
In order to solve the technical matters that above-mentioned background technology proposes, it is the method and system that emergency vehicles are let pass that the present invention aims to provide a kind of urban transportation, unified emergent travel route is set up to whole rescue route, can not only plan corresponding rescue route in advance after having an accident, advance reservation rescue route, and when vehicle arrives crossing for it preferentially gives way, rescue time can be saved, improve rescue quality.
In order to realize above-mentioned technical purpose, technical scheme of the present invention is:
Urban transportation is the method that emergency vehicles are let pass, and comprises the following steps:
(1) car-mounted terminal of emergency vehicles is after receiving rescue information, and by vehicle position information, vehicle natural information, speed information, accident spot information, whether return information sends to control center by radio communication;
(2) control center 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, calculate according to the distance of speed information and optimal route the time that emergency vehicles arrive each traffic signaling equipment simultaneously, and the natural information of emergency vehicles, the time arriving each traffic signaling equipment and reserved lane information are 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 position information, speed information sends to control center in real time, the real-time speed information of the emergency vehicles received compares with the low speed threshold values of setting by control center, when the real-time speed of a motor vehicle is lower than low speed threshold values, represent that this route blocks up, control center again programme path sends to the car-mounted terminal of emergency vehicles, calculate the time that emergency vehicles arrive each traffic signaling equipment on variation route, and by the natural information of emergency vehicles, the time arriving each traffic signaling equipment sends to each traffic signaling equipment on variation route, the information that traffic signaling equipment on the way sends according to control center, at the natural information of electronics screen display emergency vehicles, the time of arrival of emergency vehicles and reserved lane information,
(4) during emergency vehicles exterior traffic mouth, radio communication set up by the car-mounted terminal of emergency vehicles and the teleseme of traffic mouth, this car information and clearance request are sent to teleseme by emergency vehicles, the information of vehicles received mates with the information of vehicles that control center sends by teleseme, be confirmed whether to let pass, after clearance, teleseme sends the information of vehicle of having let pass to control center.
Further, in step (1), the car-mounted terminal of emergency vehicles realizes the radio communication with control center by GPRS technology.
Further, in step (2), the natural information of emergency vehicles comprises the numbering of emergency vehicles and the type of emergency vehicles.
Further, the type of emergency vehicles comprises police car, ambulance and fire truck.
Further, dissimilar emergency vehicles have different current right of priority, and when there being many emergency vehicles to arrive a traffic mouth simultaneously, and when their travel direction is inconsistent, teleseme determines current order according to the current right of priority of emergency vehicles.
Further, in step (4), the car-mounted terminal of emergency vehicles sets up the communication connection with teleseme by ZigBee technology.
Further, in step (4), at once signal lamp is in a disguised form operated after teleseme confirmation can be let pass, when emergency vehicles are by behind crossing, control signal lamp reinstatement state at once.
It is the system that emergency vehicles are let pass that the present invention also comprises a kind of urban transportation, comprise emergency vehicles end, teleseme end and control center, described emergency vehicles end comprises car-mounted terminal and the GPRS module be attached thereto respectively and Zigbee sending module, the signal lamp that described teleseme end comprises teleseme controller and is attached thereto respectively, electrical screen and Zigbee receiver module, car-mounted terminal realizes the radio communication with control center by GPRS module, car-mounted terminal is by Zigbee sending module, Zigbee receiver module realizes the radio communication with teleseme controller.
Adopt the beneficial effect that technique scheme is brought:
The present invention is reasonable in design, realization is convenient and practical, can after accident occurs, rescue route is planned in advance, advance reservation, before vehicle arrives crossing, warns to crossing vehicle, in time for emergency vehicles provide priority pass service, improve rescue efficiency, also for people build the environment of safety traffic, be convenient to promote the use of.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention.
Fig. 2 is the block diagram of system of the present invention.
Fig. 3 is that the road of the present embodiment controls schematic diagram.
Embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is described in detail.
Method flow diagram of the present invention as shown in Figure 1, a kind of urban transportation is the method that emergency vehicles are let pass, and comprises the following steps:
(1) car-mounted terminal of emergency vehicles is after receiving rescue information, and by vehicle position information, vehicle natural information, speed information, accident spot information, whether return information sends to control center by radio communication;
(2) control center 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, calculate according to the distance of speed information and optimal route the time that emergency vehicles arrive each traffic signaling equipment simultaneously, and the natural information of emergency vehicles, the time arriving each traffic signaling equipment and reserved lane information are 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 position information, speed information sends to control center in real time, the real-time speed information of the emergency vehicles received compares with the low speed threshold values of setting by control center, when the real-time speed of a motor vehicle is lower than low speed threshold values, represent that this route blocks up, control center again programme path sends to the car-mounted terminal of emergency vehicles, calculate the time that emergency vehicles arrive each traffic signaling equipment on variation route, and by the natural information of emergency vehicles, the time arriving each traffic signaling equipment sends to each traffic signaling equipment on variation route, the information that traffic signaling equipment on the way sends according to control center, at the natural information of electronics screen display emergency vehicles, the time of arrival of emergency vehicles and reserved lane information,
(4) during emergency vehicles exterior traffic mouth, radio communication set up by the car-mounted terminal of emergency vehicles and the teleseme of traffic mouth, this car information and clearance request are sent to teleseme by emergency vehicles, the information of vehicles received mates with the information of vehicles that control center sends by teleseme, be confirmed whether to let pass, after clearance, teleseme sends the information of vehicle of having let pass to control center.
In the present embodiment, in step (1), the car-mounted terminal of emergency vehicles realizes the radio communication with control center by GPRS technology.
In the present embodiment, in step (2), the natural information of emergency vehicles comprises the numbering of emergency vehicles and the type of emergency vehicles.
In the present embodiment, the type of emergency vehicles comprises police car, ambulance and fire truck.
In the present embodiment, dissimilar emergency vehicles have different current right of priority, and when there being many emergency vehicles to arrive a traffic mouth simultaneously, and when their travel direction is inconsistent, teleseme determines current order according to the current right of priority of emergency vehicles.
In the present embodiment, in step (4), the car-mounted terminal of emergency vehicles sets up the communication connection with teleseme by ZigBee technology.
In the present embodiment, in step (4), at once signal lamp is in a disguised form operated after teleseme confirmation can be let pass, when emergency vehicles are by behind crossing, control signal lamp reinstatement state at once.
The block diagram of system of the present invention as shown in Figure 2, a kind of urban transportation is the system that emergency vehicles are let pass, comprise emergency vehicles end, teleseme end and control center, described emergency vehicles end comprises car-mounted terminal and the GPRS module be attached thereto respectively and Zigbee sending module, the signal lamp that described teleseme end comprises teleseme controller and is attached thereto respectively, electrical screen and Zigbee receiver module, car-mounted terminal realizes the radio communication with control center by GPRS module, car-mounted terminal is by Zigbee sending module, Zigbee receiver module realizes the radio communication with teleseme controller.During emergency vehicles exterior traffic mouth, by Zigbee sending module and current intersection annunciator, Zigbee receiver module communicates, inform that information and the request clearance of current vehicle confirm, after current intersection annunciator receives the request clearance information of car-mounted terminal, the information of vehicles received is mated with the information of vehicles that control center sends, if the match is successful, let pass, and according to the vehicle lane change information that control center sends, change the state of signal lamp, in electrical screen, point out current lane change reason and lane change to select (craspedodrome or left and right turning etc.) simultaneously.After clearance, the teleseme controller at current crossing sends vehicle to control center and to have let pass information.Control center is after receiving confirmation of letting pass, and send it for next crossing signals machine information to next intersection annunciator, in electronics screen display, it is nearest intersection annunciator to next intersection annunciator, and prepares to let pass.When vehicle arrives last crossing, whether whether control center's end comprises return according to vehicle, select this priority pass route to terminate, if vehicle comprises return information, then, during vehicle return, provide prior-release to vehicle.
The road of the present embodiment controls schematic diagram as shown in Figure 3, after receiving rescue information, it is after receiving rescue information that control center cooks up optimal route, control center cooks up optimal route 5-4 to 5-5, teleseme 5-2, 5-3 etc. point out this track of other vehicles to be the reserved track of emergency vehicles 5-7 on notice board, when control center detects that the speed of a motor vehicle of emergency vehicles 5-7 is slower, again programme path is 5-4 to 5-6, and make 5-5 return to previous status, next intersection annunciator 5-3 hint way changes, and to its reserved route, emergency vehicles 5-7 changes route to 5-6 by force at next crossing, emergency vehicles are by behind crossing, teleseme returns to normal condition.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (8)
1. urban transportation is the method that emergency vehicles are let pass, and it is characterized in that, comprises the following steps:
(1) car-mounted terminal of emergency vehicles is after receiving rescue information, and by vehicle position information, vehicle natural information, speed information, accident spot information, whether return information sends to control center by radio communication;
(2) control center 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, calculate according to the distance of speed information and optimal route the time that emergency vehicles arrive each traffic signaling equipment simultaneously, and the natural information of emergency vehicles, the time arriving each traffic signaling equipment and reserved lane information are 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 position information, speed information sends to control center in real time, the real-time speed information of the emergency vehicles received compares with the low speed threshold values of setting by control center, when the real-time speed of a motor vehicle is lower than low speed threshold values, represent that this route blocks up, control center again programme path sends to the car-mounted terminal of emergency vehicles, calculate the time that emergency vehicles arrive each traffic signaling equipment on variation route, and by the natural information of emergency vehicles, the time arriving each traffic signaling equipment sends to each traffic signaling equipment on variation route, the information that traffic signaling equipment on the way sends according to control center, at the natural information of electronics screen display emergency vehicles, the time of arrival of emergency vehicles and reserved lane information,
(4) during emergency vehicles exterior traffic mouth, radio communication set up by the car-mounted terminal of emergency vehicles and the teleseme of traffic mouth, this car information and clearance request are sent to teleseme by emergency vehicles, the information of vehicles received mates with the information of vehicles that control center sends by teleseme, be confirmed whether to let pass, after clearance, teleseme sends the information of vehicle of having let pass to control center.
2. a kind of urban transportation is the method that emergency vehicles are let pass according to claim 1, it is characterized in that: in step (1), the car-mounted terminal of emergency vehicles realizes the radio communication with control center by GPRS technology.
3. a kind of urban transportation is the method that emergency vehicles are let pass according to claim 1, it is characterized in that: in step (2), the natural information of emergency vehicles comprises the numbering of emergency vehicles and the type of emergency vehicles.
4. a kind of urban transportation is the method that emergency vehicles are let pass according to claim 3, it is characterized in that: the type of emergency vehicles comprises police car, ambulance and fire truck.
5. a kind of urban transportation is the method that emergency vehicles are let pass according to claim 4, it is characterized in that: dissimilar emergency vehicles have different current right of priority, arrive a traffic mouth when there being many emergency vehicles simultaneously, and when their travel direction is inconsistent, teleseme determines current order according to the current right of priority of emergency vehicles.
6. a kind of urban transportation is the method that emergency vehicles are let pass according to claim 1, it is characterized in that: in step (4), the car-mounted terminal of emergency vehicles sets up the communication connection with teleseme by ZigBee technology.
7. a kind of urban transportation is the method that emergency vehicles are let pass according to claim 1, it is characterized in that: in step (4), at once signal lamp is in a disguised form operated after teleseme confirmation can be let pass, when emergency vehicles are by behind crossing, control signal lamp reinstatement state at once.
8. a urban transportation is the system that emergency vehicles are let pass, it is characterized in that: comprise emergency vehicles end, teleseme end and control center, described emergency vehicles end comprises car-mounted terminal and the GPRS module be attached thereto respectively and Zigbee sending module, the signal lamp that described teleseme end comprises teleseme controller and is attached thereto respectively, electrical screen and Zigbee receiver module, car-mounted terminal realizes the radio communication with control center by GPRS module, car-mounted terminal realizes the radio communication with teleseme controller by Zigbee sending module and Zigbee receiver module.
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