CN102074120B - Traffic guidance system and method using positioning data - Google Patents

Abstract

The invention provides a traffic dispersion system and a method. Particularly, the traffic dispersion system and the method thereof according to the invention utilize a global positioning system, an assisted global positioning system, a global navigation satellite system or a Galileo satellite navigation positioning system, and the like to generate a priority traffic request signal for emergency rescue vehicles such as ambulances and the like and transmit the signal. At a designated traffic sign, the priority traffic demand signal is received and the designation data regarding the designated traffic sign is filtered out. Then, if the designation data is judged to be valid, the state change request data is selectively generated according to the designation data, and the designated traffic sign is controlled based on the state change request data.

Description

Traffic guidance system and method using positioning data

technical field

The present invention relates to a traffic control system and method (traffic control system and method), in particular to a traffic control system that utilizes a positioning system to assist emergency vehicles such as ambulances to pass in priority. method.

current technology

Modern society has customary best practices for dealing with emergencies. For example, people call the 119 call center and this triggers the appropriate medical and security teams to come and assist. This process is well established, but sometimes life and property are still severely damaged or even lost due to emergency vehicles (eg, ambulances, fire trucks, police cars, etc.) being delayed in traffic . And we all know what delays emergency vehicles - bad traffic. Therefore, whenever an emergency occurs, emergency rescue vehicles need assistance to quickly pass through the congested traffic and reach the destination quickly.

Therefore, one scope of the present invention is to provide a traffic guidance system and method, so that emergency rescue vehicles can be proactive and automatically trigger traffic signals such as the next traffic light (traffic light) on the way at the most accurate time point A green light permits rapid passage with minimal disruption to traffic.

In addition, another scope of the present invention is to provide a traffic guidance system and method, so that the emergency rescue vehicle will only notify those vehicles on the route of the emergency rescue vehicle the precise position and speed of the emergency rescue vehicle and those vehicles that should give way. The most accurate time point, and other information. Thereby, the traffic of the emergency rescue vehicles can be smoother, and ordinary vehicles can not only avoid blocking the emergency rescue vehicles, but also avoid accidents such as collision with the emergency rescue vehicles.

Contents of the invention

According to a preferred embodiment of the present invention, the traffic guidance system includes an emergency vehicle unit and a traffic signal control unit. The emergency rescue vehicle unit according to the present invention is about an emergency rescue vehicle, which comprises a first positioning module (positioning module), a first storage module (storage module), a second storage module, a first navigation module (navigation module), A wireless signal transmitting module (radio signal transmitting module) and a first processing module (processing module). The first positioning module is used for periodically obtaining the current location coordinates of the emergency rescue vehicle. The first storage module stores data about multiple traffic signs. The second storage module stores map data therein. The first navigation module is respectively coupled to the first positioning module, the first storage module and the second storage module. The first navigation module is used for generating emergency rescue vehicle data according to the route of the emergency rescue vehicle, the current position coordinates of the emergency rescue vehicle, the data of multiple traffic signals and the map data, and select multiple traffic signals from the multiple traffic signals a designated traffic signal. The first processing module is respectively coupled to the first storage module, the first navigation module and the wireless signal transmission module. The first processing module is used for generating a preemption request signal (preemption request signal) according to the data of the emergency rescue vehicle and data about a plurality of designated traffic signals, and transmitting the preemption request signal via the wireless signal transmission module. The traffic signal control unit according to the present invention is about a designated traffic signal in a plurality of designated traffic signals, and includes a first wireless signal receiving module, a first validity judgment module (validation module), a state indication module and control modules. The first validity judging module is coupled to the first wireless signal receiving module. The first validity judging module is used for receiving the priority passing request signal via the first wireless signal receiving module, and filtering the specified data about the specified traffic signal in the priority passing request signal. And the first validity judging module judges whether the specified data is valid. The state indicating module is coupled to the first validity judging module. If the first validity judging module judges that the specified data is valid, the state indication module receives the specified data, and selectively generates and sends state change request data according to the specified data. The control module is coupled to the status indication module. The control module is used for receiving the state change request data sent by the state module, and controlling the specified traffic signal based on the state change request data.

The traffic guidance system according to another preferred embodiment of the present invention further includes a general vehicle unit related to a general vehicle. The common vehicle unit according to the present invention includes a second positioning module, a third storage module, a second navigation module, a second wireless signal receiving module, a second validity judgment module and a second processing module. The second positioning module is used for periodically obtaining the current position coordinates of the ordinary vehicle. The third storage module stores map data therein. The second navigation module is respectively coupled to the second positioning module and the third storage module. The second navigation module is used for generating ordinary vehicle data according to the ordinary vehicle route, the current location coordinates of the ordinary vehicle and the map data. The second validity judging module is respectively coupled to the second navigation module and the second wireless signal receiving module. The second validity judging module is used for receiving the priority passing request signal via the second wireless signal receiving module, and judging whether the priority passing request signal is valid. If the priority request signal is determined to be valid, the second validity judgment module judges whether the route of the ordinary vehicle overlaps with the route of the emergency rescue vehicle according to the data of the general vehicle and the request signal of the priority. The second processing module is coupled to the second validity judging module. If the second validity judging module judges that the route of the ordinary vehicle overlaps with the route of the emergency rescue vehicle, the second processing module receives the data of the ordinary vehicle and the priority traffic request signal, and selectively generates a warning signal according to the data of the normal vehicle and the priority traffic request signal .

According to the traffic guidance method of a preferred embodiment of the present invention, first at the emergency rescue vehicle, the following steps are performed: periodically obtain the current position coordinates of the emergency rescue vehicle; generating emergency vehicle data based on current location coordinates, data on a plurality of traffic signals, and map data, and selecting a plurality of specified traffic signals from the plurality of traffic signals; based on the emergency vehicle data and information on a plurality of specified The data of the traffic signal generates a priority traffic request signal, and transmits the priority traffic request signal. According to the traffic guidance method of the present invention, then at a designated traffic signal in a plurality of designated traffic signals, the following steps are performed: receiving the priority traffic request signal and filtering the traffic signal related to the designated traffic signal in the priority traffic request signal determine whether the specified data is valid; if the specified data is determined to be valid, selectively generate state change request data according to the specified data and control the specified traffic signal based on the state change request data.

According to the traffic guidance method of another preferred embodiment of the present invention, the following steps are further performed at the ordinary vehicle: periodically obtain the current position coordinates of the ordinary vehicle; And the map data generates ordinary vehicle data; receive the priority request signal and judge whether the priority request signal is valid; if the priority request signal is judged to be valid, then judge whether the ordinary vehicle route is compatible with emergency rescue according to the ordinary vehicle data and the priority request signal The routes of vehicles overlap; if the routes of ordinary vehicles are judged to overlap with the routes of emergency rescue vehicles, a warning signal is selectively generated according to the data of ordinary vehicles and the priority traffic request signal.

In a specific embodiment, the current location coordinates of the emergency rescue vehicle are obtained by receiving a global positioning system (GPS, global positioning system), an assisted global positioning system (AGPS, assisted global positioning system), a global navigation satellite System (GLONASS, global navigation satellite system) or Galileo (Galileo) positioning system, and other data transmitted.

In a specific embodiment, the priority traffic request signal includes the emergency rescue vehicle identification code, the emergency rescue vehicle route, the current location coordinates of the emergency rescue vehicle, the speed of the emergency rescue vehicle, and the number of designated traffic signals that have passed The identification code of the traffic signal, the identification code of the traffic signal that has not been passed among the multiple designated traffic signals, the status setting requirements, the authorization check code, etc.

In one embodiment, the current location coordinates for the conventional vehicle are determined by receiving Global Positioning System (GPS), Assisted Global Positioning System (AGPS), Global Navigation Satellite System (GLONASS) or Galileo positioning system, etc. derived from the transmitted data.

The advantages and spirit of the present invention can be further understood through the following detailed description of the invention and the accompanying drawings.

Description of drawings

Fig. 1 shows a functional block diagram of a traffic guidance system according to a preferred embodiment of the present invention.

Fig. 2 shows a schematic diagram of an environment in which the traffic guidance system 1 according to the present invention is applied.

Fig. 3 shows a flow chart of a traffic guidance system method according to a preferred embodiment of the present invention.

Description of reference symbols

1: Traffic guidance system 12: Emergency rescue vehicle unit

120: The first positioning module 122: The first storage module

124: Second storage module 126: First navigation module

127: Wireless signal transmission module 128: First processing module

14: Traffic signal control unit 140: The first wireless signal receiving module

142: First validity judgment module 144: Status indication module

146: Control module 16: Common vehicle unit

160: The second positioning module 162: The third storage module

164: The second navigation module 166: The second wireless signal receiving module

167: The second validity judgment module 168: The second processing module

20: Emergency rescue vehicles 22a～22d: Traffic signals

24a, 24b: Ordinary vehicles 3: Artificial satellites

S410～S414: Process steps S420～S424: Process steps

S430～S438: process steps

Detailed ways

The invention provides a traffic guidance system and method. And in particular, the traffic guidance system and method according to the present invention is a traffic guidance system and method that uses a positioning system to assist emergency vehicles such as ambulances, fire trucks, and police cars to pass in priority. In this way, emergency vehicles can be proactive and automatically cause the next traffic light and other traffic lights on the way to light up in green light at the most accurate time, thereby allowing rapid passage with minimal disruption to traffic. Moreover, the emergency rescue vehicle can notify those vehicles on the route of the emergency rescue vehicle the precise position and speed of the emergency rescue vehicle and the most accurate time point when those vehicles should give way. Preferred specific embodiments of the present invention will be described in detail below, so as to fully illustrate the features, spirit, advantages and practical feasibility of the present invention.

Please refer to FIG. 1 and FIG. 2 . FIG. 1 is a functional block diagram of a traffic guidance system 1 according to a preferred embodiment of the present invention. Fig. 2 shows a schematic diagram of an environment in which the traffic guidance system 1 according to the present invention is applied. The traffic guidance system 1 according to the present invention includes an emergency vehicle unit 12 and a traffic signal control unit 14 . In FIG. 2, an emergency rescue vehicle 20 is equipped with the emergency rescue vehicle unit 12 according to the present invention, and traffic signs (22a-22d) are all equipped with the traffic sign control unit 14 according to the present invention.

As shown in FIG. 1 and FIG. 2 , the emergency rescue vehicle unit 12 according to the present invention is about the emergency rescue vehicle 20, which includes a first positioning module 120, a first storage module 122, a second storage module 124, and a first navigation module 126. , a wireless signal transmission module 127 and a first processing module 128 .

The first positioning module 120 is used for periodically obtaining the current location coordinates of the emergency rescue vehicle 20 . In a specific embodiment, the first positioning module 120 cooperates with receiving information transmitted by Global Positioning System (GPS), Assisted Global Positioning System (AGPS), Global Navigation Satellite System (GLONASS), or Galileo (Galileo) positioning system, etc. data. For example, the first positioning module 120 receives data sent by artificial satellites 3 in GPS, AGPS, GLONASS or Galileo positioning systems.

The first storage module 122 stores data related to a plurality of traffic signs therein. The second storage module 124 stores map data therein. The first navigation module 126 is respectively coupled to the first positioning module 120 , the first storage module 122 and the second storage module 124 . The first navigation module 126 is used to generate emergency vehicle data according to the route of the emergency vehicle, the current position coordinates of the emergency vehicle 20, data of multiple traffic signs and map data, and select a vehicle from multiple traffic signals. A plurality of designated traffic signals (22a-22d) are determined.

The first processing module 128 is respectively coupled to the first storage module 122 , the first navigation module 126 and the wireless signal transmission module 127 . The first processing module 128 is used for generating a priority passing request signal according to the emergency rescue vehicle data and data about a plurality of designated traffic signals ( 22 a - 22 d ), and transmits the priority passing request signal through the wireless signal transmission module 127 . In a specific embodiment, the wireless signal transmission module 127 may be a short-range wireless signal transmitter.

In a specific embodiment, the priority traffic request signal includes the emergency rescue vehicle identification code, the emergency rescue vehicle route, the current location coordinates of the emergency rescue vehicle, the speed of the emergency rescue vehicle, and the number of designated traffic signals that have passed The identification code of the traffic signal, the identification code of the traffic signal that has not been passed among the multiple designated traffic signals, the status setting requirements and the authorization check code, etc.

Also shown in FIG. 1 and FIG. 2, a plurality of designated traffic signals (22a-22d) are equipped with the traffic signal control unit 14 according to the present invention. In the following, it is taken as an example that the traffic signal control unit 14 according to the present invention is related to the designated traffic signal 22a. The traffic signal control unit 14 according to the present invention includes a first wireless signal receiving module 140 , a first validity judging module 142 , a status indicating module 144 and a control module 146 . The first validity judging module 142 is coupled to the first wireless signal receiving module 140 .

The first validity judging module 142 is used for receiving the priority passing request signal via the first wireless signal receiving module 140, and filtering the specified data about the specified traffic signal 22a in the priority passing request signal. The first validity judging module 142 also judges whether the specified data is valid. In a specific embodiment, the first wireless signal receiving module 140 may be a short-range wireless signal receiver.

The status indicating module 144 is coupled to the first validity judging module 142 . If the first validity judging module 142 judges that the specified data is valid, the state indication module 144 receives the specified data, and selectively generates and sends state change request data according to the specified data. The control module 146 is coupled to the status indication module 144 . The control module 146 is used for receiving the state change request data transmitted by the state module 144, and controlling the specified traffic signal 22a based on the state change request data.

Also shown in FIG. 1 and FIG. 2 , the traffic guidance system 1 according to another preferred embodiment of the present invention further includes a common vehicle unit 16 . Both the ordinary vehicle 24a and the ordinary vehicle 24b in FIG. 2 are equipped with the ordinary vehicle unit 16 according to the present invention. In the following, the general vehicle unit 16 according to the present invention is related to the general vehicle 24a as an example for illustration. The common vehicle unit 16 according to the present invention includes a second positioning module 160 , a third storage module 162 , a second navigation module 164 , a second wireless signal receiving module 166 , a second validity judgment module 167 and a second processing module 168 .

The second positioning module 160 is used for periodically obtaining the current position coordinates of the ordinary vehicle 24a. In a specific embodiment, the second positioning module 160 cooperates with receiving information transmitted by Global Positioning System (GPS), Assisted Global Positioning System (AGPS), Global Navigation Satellite System (GLONASS) or Galileo (Galileo) positioning system, etc. data.

The third storage module 162 stores map data therein. The second navigation module 164 is coupled to the second positioning module 160 and the third storage module 162 respectively. The second navigation module 164 is used for generating general vehicle data according to the general vehicle route, the current location coordinates of the general vehicle 24a and the map data.

The second validity judgment module 167 is coupled to the second navigation module 164 and the second wireless signal receiving module 166 respectively. The second validity judging module 167 is used for receiving the priority passing request signal via the second wireless signal receiving module 166, and judging whether the priority passing request signal is valid. In a specific embodiment, the second wireless signal receiving module 166 may be a short-range wireless signal receiver.

If the priority passing request signal is determined to be valid, the second validity judgment module 167 judges whether the route of the ordinary vehicle overlaps with the route of the emergency rescue vehicle according to the ordinary vehicle data and the priority passing request signal.

The second processing module 168 is coupled to the second validity judging module 167 . If the second validity judging module 167 judges that the route of the ordinary vehicle overlaps with the route of the emergency rescue vehicle, the second processing module 168 receives the data of the ordinary vehicle and the priority traffic request signal, and selectively generates warning sign. For example, the ordinary vehicle unit 16 configured by the ordinary vehicle 24a in FIG. 2 , its second processing module 168 finally receives the ordinary vehicle data and the priority passage request signal, and analyzes that the ordinary vehicle 24a blocks the emergency rescue according to the ordinary vehicle data and the priority passage request signal Therefore, the second processing module 168 generates a warning signal to remind the driver of the ordinary vehicle 24a to give way. The ordinary vehicle unit 16 configured by the ordinary vehicle 24b in FIG. The routes of the vehicles 20 partially overlap but will not block the way of the emergency vehicles 20 , so the second processing module 168 does not generate a warning signal, allowing the driver of the ordinary vehicle 24b to drive normally.

In practical applications, the common vehicle unit 16 also includes a warning module (not shown in FIG. 2 ). The alert module is coupled to the second processing module 168 . The warning module is used to receive the warning signal, and is triggered by the warning signal to play sound and/or light, thereby reminding the driver to give way to the emergency rescue vehicle 20 to pass.

In practical applications, the common vehicle unit 16 may also include a display module (not shown in FIG. 2 ). The display module is coupled to the second processing module 168 . The display module is used for receiving the warning signal, and displaying the display signal, and then reminding the driver to give way to the emergency rescue vehicle 20 to pass.

The traffic guidance system 1 according to another preferred embodiment of the present invention includes an emergency vehicle unit 12 and an ordinary vehicle unit 16 , and further includes a traffic signal control unit 14 . The composition and operation of the emergency vehicle unit 12 , the ordinary vehicle unit 16 and the traffic signal control unit 14 have been described in detail above, and will not be repeated here.

Please refer to FIG. 3 and FIG. 2 , according to the traffic guidance method 4 of a preferred embodiment of the present invention, firstly, at the emergency rescue vehicle 20 , steps S410 - S414 are performed. Step S410 is executed to periodically obtain the current location coordinates of the emergency rescue vehicle. Step S410 may be performed by receiving data transmitted from a positioning system selected from the Global Positioning System (GPS), Assisted Global Positioning System (AGPS), GLONASS, or Galileo.

Step S412 is performed to generate emergency vehicle data based on the route of the emergency vehicle, the coordinates of the current location of the emergency vehicle 20, the data on a plurality of traffic signs, and the map data, and select a plurality of designations from the plurality of traffic signals. traffic signals (22a～22d).

Step S414 is executed to generate a priority passing request signal according to the emergency rescue vehicle data and data about a plurality of designated traffic signals, and transmit the priority passing request signal.

In a specific embodiment, the priority traffic request signal includes the emergency rescue vehicle identification code, the emergency rescue vehicle route, the current location coordinates of the emergency rescue vehicle, the speed of the emergency rescue vehicle, and the number of designated traffic signals that have passed The identification code of the traffic signal, the identification code of the traffic signal that has not been passed among the multiple designated traffic signals, the status setting requirements, the authorization check code, etc.

Next, according to the traffic guidance method 4 of the present invention, steps S420-S424 are executed at one designated traffic signal 22a among the plurality of designated traffic signals (22a-22d). Step S420 is executed to receive the priority passing request signal, and filter the specified data about the specified traffic signal 22a in the priority passing request signal.

Step S422 is executed to determine whether the specified data is valid.

If the specified data is determined to be valid, step S424 is executed to selectively generate state change request data according to the specified data, and control the specified traffic signal 22a based on the state change request data.

According to the traffic guidance method 4 of another preferred embodiment of the present invention, steps S430-S438 are further performed at the ordinary vehicle 24a. Step S430 is executed to periodically obtain the current position coordinates of the ordinary vehicle 24a. Step S430 may be performed by receiving data transmitted from a positioning system selected from the Global Positioning System (GPS), Assisted Global Positioning System (AGPS), GLONASS, or Galileo.

Step S432 is performed to generate general vehicle data according to the general vehicle route, current location coordinates about the general vehicle, and map data.

Step S434 is executed to receive the priority passing request signal, and determine whether the priority passing request signal is valid.

If the priority request signal is determined to be valid, step S436 is executed to determine whether the route of the ordinary vehicle overlaps with the route of the emergency rescue vehicle according to the data of the ordinary vehicle and the request signal of the priority pass.

If the route of the ordinary vehicle is determined to overlap with the route of the emergency rescue vehicle, step S438 is executed to selectively generate a warning signal according to the data of the ordinary vehicle and the priority traffic request signal. The warning signal can be received by the warning module of the ordinary vehicle 24a, and the warning signal is triggered to play sound and/or light to remind the driver of the ordinary vehicle 24a. The warning signal can also be received by the display module of the ordinary vehicle 24a, and display the display signal to remind the driver of the ordinary vehicle 24a.

According to the traffic guidance method 4 of another preferred embodiment of the present invention, first at the emergency rescue vehicle 20, execute steps S410-S414, then at a designated traffic signal 22a, execute steps S420-S424, further, At the emergency rescue vehicle 20, steps S410-S414 are performed. Each step has been described in detail above and will not be repeated here.

To sum up, it can be clearly understood that the traffic guidance system and method according to the present invention utilizes the positioning system to assist emergency rescue vehicles such as ambulances, fire trucks, and police cars to pass in priority. In this way, emergency vehicles can be proactive and automatically cause the next traffic light and other traffic lights on the way to light up in green light at the most accurate time, thereby allowing rapid passage with minimal disruption to traffic. Moreover, the emergency rescue vehicle can notify those vehicles on the route of the emergency rescue vehicle on the way, the precise position and speed of the emergency rescue vehicle and the most accurate time point when those vehicles should give way, and other information.

Through the above detailed description of the preferred embodiments, it is hoped that the characteristics and spirit of the present invention can be described more clearly, and the scope of the present invention is not limited by the preferred embodiments disclosed above. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the claims of the present invention. Therefore, the scope of the claims of the present invention should be interpreted in the broadest way based on the above description, so as to cover all possible changes and arrangements with equivalents.

Claims (20)

1. a traffic dispersion system comprises:

One unit of the emergency relief vehicle about an emergency relief vehicle comprises:

One first locating module, this first locating module is in order to periodically to obtain the present position coordinate about this emergency relief vehicle;

One first storage module, its interior data that store about a plurality of traffic signs of this first storage module;

One second storage module, its interior map datum that stores of this second storage module;

One first navigation module, this first navigation module is coupled respectively to this first locating module, this first storage module and this second storage module, and this first navigation module is in order to according to an emergency relief vehicle route, about the traffic sign of the data of this present position coordinate of this emergency relief vehicle, the plurality of traffic sign and this map data production one emergency relief vehicle data and selected a plurality of appointments from the plurality of traffic sign;

One wireless signal delivery module;

One first processing module, this first processing module is coupled respectively to this first storage module, this first navigation module and this wireless signal delivery module, and this first processing module is in order to according to these emergency relief vehicle data and produce a priority pass about the data of the traffic sign of the plurality of appointment and require signal and require signal to send out this priority pass via this wireless signal delivery module; And

One traffic sign control module, this traffic sign control module is the traffic sign about an appointment in the traffic sign of the plurality of appointment, this traffic sign control module comprises:

One first reception of wireless signals module;

One first validity judge module, this the first validity judge module is coupled to this first reception of wireless signals module, this the first validity judge module is in order to receive this priority pass requirement signal via this first reception of wireless signals module and to filter in this priority pass requirement signal the specific data about the traffic sign of this appointment, and this first validity judge module judges that whether this specific data is effective;

One state indicating module, this state indicating module is coupled to this first validity judge module, if this first validity judge module judges that this specific data is for effective, this state indicating module receives this specific data and optionally produces and send a state change according to this specific data and requires data; And

One control module, this control module is coupled to this state indicating module, and this control module changes and requires data and change the traffic sign that requires this appointment of Data Control based on this state in order to this state that receives this block of state transmission.

2. traffic dispersion system as claimed in claim 1, wherein this first locating module is to coordinate to receive a freely Global Positioning System (GPS) of choosing, one auxiliary global satellite positioning system, the data that one in the group that one GLONASS (Global Navigation Satellite System) and a Galileo positioning system form transmits, and this priority pass requires signal to comprise an emergency relief vehicle identification code, this emergency relief vehicle route, this present position coordinate about this emergency relief vehicle, the speed of one emergency relief vehicle, the identification code of the traffic sign of process in the traffic sign of the plurality of appointment, in the traffic sign of the plurality of appointment, not yet the identification code of the traffic sign of process and setting state require and an authorization check code.

3. traffic dispersion system as claimed in claim 1 further comprises:

One unit of the common vehicle about a common vehicle comprises:

One second locating module, this second locating module is in order to periodically to obtain the present position coordinate about this common vehicle;

One the 3rd storage module, its interior this map datum that stores of the 3rd storage module;

One second navigation module, this second navigation module is coupled respectively to this second locating module and the 3rd storage module, and this second navigation module is in order to according to a common vehicle route, about this present position coordinate and this map data production one common vehicle data of this common vehicle;

One second reception of wireless signals module;

One second validity judge module, this the second validity judge module is coupled respectively to this second navigation module and this second reception of wireless signals module, this the second validity judge module is in order to receive this priority pass requirement signal via this second reception of wireless signals module and to judge that whether this priority pass requirement signal is effective, if this priority pass requires signal to be judged as effectively, this second validity judge module requires signal to judge whether this common vehicle route overlaps with this emergency relief vehicle route according to these common vehicle data and this priority pass; And

One second processing module, this second processing module is coupled to this second validity judge module, if this second validity judge module judges this common vehicle route and this emergency relief vehicle route and overlap, this second processing module receives these common vehicle data and this priority pass requirement signal and according to these common vehicle data and this priority pass requirement signal-selectivity ground generation one alarm signal.

4. traffic dispersion system as claimed in claim 3, wherein this common vehicle unit further comprises one of them of an alarm module and a display module, this alarm module is coupled to this second processing module, this alarm module is in order to receive this alarm signal and to trigger and then play a sound and/or a light by this alarm signal, and this display module is coupled to this second processing module, this display module is in order to receive this alarm signal and to show this display.

5. traffic dispersion system as claimed in claim 3, wherein this second locating module is to coordinate to receive the data that the one in the choosing group that freely a Global Positioning System (GPS), an auxiliary global satellite positioning system, a GLONASS (Global Navigation Satellite System) and a Galileo positioning system form transmits.

6. a traffic dispersion method comprises the following step:

(a), in an emergency relief vehicle place, carry out the following step:

(a1) periodically obtain the present position coordinate about this emergency relief vehicle;

(a2) according to an emergency relief vehicle route, about this present position coordinate of this emergency relief vehicle, about data and map data production one emergency relief vehicle data of a plurality of traffic signs, and the traffic sign of selected a plurality of appointments from the plurality of traffic sign;

(a3) according to these emergency relief vehicle data and produce a priority pass about the data of the traffic sign of the plurality of appointment and require signal, and require signal to send out this priority pass; And

(b) the traffic sign place of an appointment in the traffic sign of the plurality of appointment, carry out the following step:

(b1) receive this priority pass requirement signal and filter in this priority pass requirement signal the specific data about the traffic sign of this appointment;

(b2) judge that whether this specific data is effective; And

(b3) if judgment result is that certainly of step (b2) optionally produces a state according to this specific data and changes the traffic sign that requires data and require this appointment of Data Control based on this state change.

7. traffic dispersion method as claimed in claim 6, wherein step (a1) is by receiving a freely Global Positioning System (GPS) of choosing, one auxiliary global satellite positioning system, the data that one in the group that one GLONASS (Global Navigation Satellite System) and a Galileo positioning system form transmits are carried out, and wherein this priority pass requires signal to comprise an emergency relief vehicle identification code, this emergency relief vehicle route, this present position coordinate about this emergency relief vehicle, the speed of one emergency relief vehicle, the identification code of the traffic sign of process in the traffic sign of the plurality of appointment, in the traffic sign of the plurality of appointment, not yet the identification code of the traffic sign of process and setting state require and an authorization check code.

8. traffic dispersion method as claimed in claim 6 further comprises the following step:

(c), in a common vehicle place, carry out the following step:

(c1) periodically obtain the present position coordinate about this common vehicle;

(c2) according to a common vehicle route, about this present position coordinate and this map data production one common vehicle data of this common vehicle;

(c3) receive this priority pass requirement signal and judge that whether this priority pass requirement signal is effective;

(c4) if judgment result is that certainly of step (c3) requires signal to judge whether this common vehicle route overlaps with this emergency relief vehicle route according to these common vehicle data and this priority pass; And

(c5) if judgment result is that certainly of step (c4) requires signal-selectivity ground to produce an alarm signal according to these common vehicle data and this priority pass.

9. traffic dispersion method as claimed in claim 8, wherein this common vehicle comprise an alarm module and a display module one of them, this alarm module is in order to receive this alarm signal and triggered and then play a sound and/or a light by this alarm signal, and this display module is in order to receive this alarm signal and to show this display.

10. traffic dispersion method as claimed in claim 6, wherein step (c1) is that the data that transmit by the one received in the choosing group that freely a Global Positioning System (GPS), an auxiliary global satellite positioning system, a GLONASS (Global Navigation Satellite System) and a Galileo positioning system form are carried out.

11. a traffic dispersion system comprises:

One unit of the emergency relief vehicle about an emergency relief vehicle comprises:

One first locating module, this first locating module is in order to periodically to obtain the present position coordinate about this emergency relief vehicle;

One first storage module, its interior data that store about a plurality of traffic signs of this first storage module;

One second storage module, its interior map datum that stores of this second storage module;

One first navigation module, this first navigation module is coupled respectively to this first locating module, this first storage module and this second storage module, and this first navigation module is in order to according to an emergency relief vehicle route, about the traffic sign of the data of this present position coordinate of this emergency relief vehicle, the plurality of traffic sign and this map data production one emergency relief vehicle data and selected a plurality of appointments from the plurality of traffic sign;

One wireless signal delivery module;

One first processing module, this first processing module is coupled respectively to this first storage module, this first navigation module and this wireless signal delivery module, and this first processing module is in order to according to these emergency relief vehicle data and produce a priority pass about the data of the traffic sign of the plurality of appointment and require signal and require signal to send out this priority pass via this wireless signal delivery module; And

One unit of the common vehicle about a common vehicle comprises:

One second locating module, this second locating module is in order to periodically to obtain the present position coordinate about this common vehicle;

One the 3rd storage module, its interior this map datum that stores of the 3rd storage module;

One first navigation module, this first navigation module is coupled respectively to this second locating module and the 3rd storage module, and this first navigation module is in order to according to a common vehicle route, about this present position coordinate and this map data production one common vehicle data of this common vehicle;

One first reception of wireless signals module;

One first validity judge module, this the first validity judge module is coupled respectively to this first navigation module and this first reception of wireless signals module, this the first validity judge module is in order to receive this priority pass requirement signal via this first reception of wireless signals module and to judge that whether this priority pass requirement signal is effective, if this priority pass requires signal to be judged as effectively, this first validity judge module requires signal to judge whether this common vehicle route overlaps with this emergency relief vehicle route according to these common vehicle data and this priority pass; And

One second processing module, this second processing module is coupled to this first validity judge module, if this first validity judge module judges this common vehicle route and this emergency relief vehicle route and overlap, this second processing module receives these common vehicle data and this priority pass requirement signal and according to these common vehicle data and this priority pass requirement signal-selectivity ground generation one alarm signal.

12. traffic dispersion system as claimed in claim 11, wherein this first locating module is to coordinate to receive a freely Global Positioning System (GPS) of choosing, one auxiliary global satellite positioning system, the data that one in the group that one GLONASS (Global Navigation Satellite System) and a Galileo positioning system form transmits, this second locating module coordinates a freely Global Positioning System (GPS) of reception choosing, one auxiliary global satellite positioning system, the data that one in the group that one GLONASS (Global Navigation Satellite System) and a Galileo positioning system form transmits, and this priority pass requires signal to comprise an emergency relief vehicle identification code, this emergency relief vehicle route, this present position coordinate about this emergency relief vehicle, the speed of one emergency relief vehicle, the identification code of the traffic sign of process in the traffic sign of the plurality of appointment, in the traffic sign of the plurality of appointment, not yet the identification code of the traffic sign of process and setting state require and an authorization check code.

13. traffic dispersion system as claimed in claim 11, wherein this common vehicle unit further comprises one of them of an alarm module and a display module, this alarm module is coupled to this second processing module, this alarm module is in order to receive this alarm signal and to trigger and then play a sound and/or a light by this alarm signal, and this display module is coupled to this second processing module, this display module is in order to receive this alarm signal and to show this display.

14. traffic dispersion system as claimed in claim 11 further comprises:

One traffic sign control module, this traffic sign control module is the traffic sign about an appointment in the traffic sign of the plurality of appointment, this traffic sign control module comprises:

One second reception of wireless signals module;

One second validity judge module, this the second validity judge module is coupled to this second reception of wireless signals module, this the second validity judge module is in order to receive this priority pass requirement signal via this second reception of wireless signals module and to filter in this priority pass requirement signal the specific data about the traffic sign of this appointment, and this second validity judge module judges that whether this specific data is effective;

One state indicating module, this state indicating module is coupled to this second validity judge module, if this second validity judge module judges that this specific data is for effective, this state indicating module receives this specific data and optionally produces and send a state change according to this specific data and requires data; And

One control module, this control module is coupled to this state indicating module, and this control module changes and requires data and change the traffic sign that requires this appointment of Data Control based on this state in order to this state that receives this block of state transmission.

15. a traffic dispersion method comprises the following step:

(a), in an emergency relief vehicle place, carry out the following step:

(a1) periodically obtain the present position coordinate about this emergency relief vehicle;

(a2) according to an emergency relief vehicle route, about this present position coordinate of this emergency relief vehicle, about data and map data production one emergency relief vehicle data of a plurality of traffic signs, and the traffic sign of selected a plurality of appointments from the plurality of traffic sign;

(a3) according to these emergency relief vehicle data and produce a priority pass about the data of the traffic sign of the plurality of appointment and require signal, and require signal to send out this priority pass; And

(b), in a common vehicle place, carry out the following step:

(b1) periodically obtain the present position coordinate about this common vehicle;

(b2) according to a common vehicle route, about this present position coordinate and this map data production one common vehicle data of this common vehicle;

(b3) receive this priority pass requirement signal and judge that whether this priority pass requirement signal is effective;

(b4) if judgment result is that certainly of step (b3) requires signal to judge whether this common vehicle route overlaps with this emergency relief vehicle route according to these common vehicle data and this priority pass; And

(b5) if judgment result is that certainly of step (b4) requires signal-selectivity ground to produce an alarm signal according to these common vehicle data and this priority pass.

16. traffic dispersion method as claimed in claim 15, the data that wherein step (a1) transmits by the one received in the choosing group that freely a Global Positioning System (GPS), an auxiliary global satellite positioning system, a GLONASS (Global Navigation Satellite System) and a Galileo positioning system form are carried out.

17. traffic dispersion method as claimed in claim 15, the data that wherein step (b1) transmits by the one received in the choosing group that freely a Global Positioning System (GPS), an auxiliary global satellite positioning system, a GLONASS (Global Navigation Satellite System) and a Galileo positioning system form are carried out.

18. traffic dispersion method as claimed in claim 15, wherein this priority pass require signal comprise an emergency relief vehicle identification code, this emergency relief vehicle route, about the identification code of the traffic sign of process and setting state requires and an authorization check code not yet in the traffic sign of the identification code of the traffic sign of process, the plurality of appointment in the traffic sign of this present position coordinate of this emergency relief vehicle, the speed of an emergency relief vehicle, the plurality of appointment.

19. traffic dispersion method as claimed in claim 15, wherein this common vehicle comprise an alarm module and a display module one of them, this alarm module is in order to receive this alarm signal and triggered and then play a sound and/or a light by this alarm signal, and this display module is in order to receive this alarm signal and to show this display.

20. traffic dispersion method as claimed in claim 15 further comprises the following step:

(c) the traffic sign place of an appointment in the traffic sign of the plurality of appointment, carry out the following step:

(c1) receive this priority pass requirement signal and filter in this priority pass requirement signal the specific data about the traffic sign of this appointment;

(c2) judge that whether this specific data is effective; And

(c3) if judgment result is that certainly of step (c2) optionally produces a state according to this specific data and changes the traffic sign that requires data and require this appointment of Data Control based on this state change.

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