CN107886743A - Adjust the system, apparatus and method of traffic signals - Google Patents
Adjust the system, apparatus and method of traffic signals Download PDFInfo
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- CN107886743A CN107886743A CN201610868138.2A CN201610868138A CN107886743A CN 107886743 A CN107886743 A CN 107886743A CN 201610868138 A CN201610868138 A CN 201610868138A CN 107886743 A CN107886743 A CN 107886743A
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- Prior art keywords
- intersection
- roads
- vehicle
- preset vehicle
- driving information
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
Abstract
Present disclose provides a kind of system, apparatus and method for adjusting traffic signals.The system includes traffic signalization equipment and vehicle-mounted terminal equipment, wherein, the radio resource that traffic signalization equipment is configured to be used below 1GHz frequencies in intersection of roads forms wireless network, vehicle-mounted terminal equipment is arranged on preset vehicle, and it is configured to obtain the driving information of preset vehicle, wherein, vehicle-mounted terminal equipment is configured to be connected with traffic signalization equipment communication by wireless network when preset vehicle drives towards intersection of roads, so as to which the driving information is sent into traffic signalization equipment, traffic signalization equipment is configured to adjust the traffic signals of intersection of roads according to the driving information of reception.Using the radio resource collection less than 1GHz frequencies and forwarding driving information, there is provided for the more inexpensive solution for the driving information for obtaining preset vehicle, be more beneficial for the priority pass of preset vehicle.
Description
Technical field
This disclosure relates to traffic intelligent control field, more particularly to it is a kind of be used to adjusting the system of traffic signals, equipment and
Method.
Background technology
With the continuous development of World Economics, the Transportation facilities constantly improve of each main cities.But city
Also there is tremendous growth in the quantity of middle motor vehicle so that the traffic system in city becomes can't bear the heavy load.First develop public friendship
Way system turns into the important measure for improving urban traffic conditions.
Chinese invention patent CN101599218B discloses a kind of bus priority wireless transmission system and its control method, its
In by 2.4GHz wireless networks, the driving information of vehicle is received from bus vehicle module using roadside forwarding module, and will
These driving informations are sent to semaphore module, and thus traffic light control system is optimized.Currently, also have and pass through honeybee
The driving information of public transit vehicle is sent to the solution of traffic control center by nest mobile network.
The content of the invention
The purpose of exemplary embodiment is solve above-mentioned and/or other technical problems, and proposes a kind of new to be used to adjust
The system, apparatus and method of whole traffic signals.
One exemplary embodiment provides a kind of system for adjusting traffic signals, it is characterised in that the system
Including traffic signalization equipment and vehicle-mounted terminal equipment, wherein, traffic signalization equipment is configured in intersection of roads
The radio resource for being used below 1GHz frequencies forms wireless network, and vehicle-mounted terminal equipment is arranged on preset vehicle, and by structure
Make to obtain the driving information of the preset vehicle, wherein, vehicle-mounted terminal equipment is configured to drive towards institute in the preset vehicle
It is connected when stating intersection of roads by wireless network with traffic signalization equipment communication, so as to which the driving information be sent to
Traffic signalization equipment, traffic signalization equipment are configured to adjust the road friendship according to the driving information of reception
Traffic signals at remittance.
Because exemplary embodiment employs the collection of the radio resource progress driving information less than 1GHz frequencies and turns
Hair, thus provides the more inexpensive solution of the driving information for obtaining preset vehicle, can be more beneficial for making a reservation for
The priority pass of vehicle.
In an exemplary embodiment of the system for adjusting traffic signals, traffic signalization equipment includes：Extremely
A few relay, at the side for every road being separately positioned in a plurality of road for being intersected in the intersection of roads,
And the radio resource for being configured to be used below 1GHz frequencies forms wireless network；Control device, it is configured to by wireless
Network is connected with least one relay device communications, wherein, when vehicle-mounted terminal equipment in the preset vehicle through described more
When a road in bar road is connected to wireless network when driving towards the intersection of roads, it is arranged at the side of this road
Relay the driving information sent from vehicle-mounted terminal equipment is received by wireless network, and by the traveling of reception
Information is sent to control device by wireless network, so as to which control device adjusts the road according to the driving information of reception
The traffic signals of intersection.
In above-mentioned example embodiment, a relaying is arranged on the side of each road for leading to intersection of roads
Equipment, the resources costs of minimum can be used in the case where ensureing to normally receive driving information.In above-mentioned traffic signalization
In equipment, the collection and forwarding of driving information are carried out as a result of the radio resource less than 1GHz frequencies, is thus provided
For the more inexpensive solution for the driving information for obtaining preset vehicle, the preferential logical of preset vehicle can be more beneficial for
OK.
In an exemplary embodiment of the system for adjusting traffic signals, vehicle-mounted terminal equipment includes：Information obtains
Device is obtained, is configured to obtain the driving information of the preset vehicle；Communicator, it is configured to when the preset vehicle drives towards
During the intersection of roads, the driving information of acquisition is sent to by traffic signalization equipment by wireless network.
The collection and forwarding of driving information are carried out using the radio resource less than 1GHz frequencies by vehicle-mounted terminal equipment,
Provide the more inexpensive solution of the driving information for obtaining preset vehicle.
In an exemplary embodiment of the system for adjusting traffic signals, the driving information includes described predetermined
The current location of vehicle, the current vehicle speed of the preset vehicle, at least one of the current driving direction of the preset vehicle,
Information obtaining device includes：Position sensor, for sensing the current location of the preset vehicle；Velocity sensor, for feeling
Survey the current vehicle speed of the preset vehicle；Direction sensor, for sensing the current driving direction of the preset vehicle.
The information such as the current location of preset vehicle, current vehicle speed, current driving direction are the bases of preset vehicle priority pass
This information.
In an exemplary embodiment of the system for adjusting traffic signals, when the traffic of the intersection of roads is believed
Number allow the preset vehicle by the intersection of roads when allowing to pass through signal for instruction, traffic signalization equipment quilt
It is configured to would allow through the duration extension of signal according to the driving information to enable the preset vehicle to pass through institute
State intersection of roads.
So that preset vehicle can preferentially pass through intersection of roads.
In an exemplary embodiment of the system for adjusting traffic signals, when the traffic of the intersection of roads is believed
Number for instruction do not allow the preset vehicle by the intersection of roads when not allowing to pass through signal, traffic signalization is set
It is standby to be configured to not allow to be adjusted to allow by signal by signal by described according to the driving information, make the predetermined car
Pass through the intersection of roads.
So that preset vehicle can preferentially pass through intersection of roads.
In an exemplary embodiment of the system for adjusting traffic signals, the preset vehicle is vehicle for public transport
.
Exemplary embodiment uses the radio resource less than 1GHz frequencies to enter the collection and forwarding of row information, is more beneficial for
The priority pass of mass transportation facilities.
Another exemplary embodiment provides a kind of traffic signalization equipment, it is characterised in that the traffic signals
Control device includes：At least one relay, it is separately positioned on a plurality of road Zhong Meitiao roads for being intersected in intersection of roads
At the side on road, and the radio resource for being configured to be used below 1GHz frequencies forms wireless network；Control device, it is constructed
To be connected by wireless network with least one relay device communications, wherein, when preset vehicle is through in a plurality of road
Road when driving towards the intersection of roads, be arranged on the relay at the side of this road and connect by wireless network
Receive the driving information of the preset vehicle sent from the vehicle-mounted terminal equipment that is arranged on the preset vehicle, and by reception
The driving information is sent to control device by wireless network, so as to which control device adjusts according to the driving information of reception
The traffic signals of the intersection of roads.
In above-mentioned traffic signalization equipment, traveling letter is carried out as a result of the radio resource less than 1GHz frequencies
The collection and forwarding of breath, the more inexpensive solution of the driving information for obtaining preset vehicle is thus provided, is more had
Beneficial to the priority pass of preset vehicle.
Further exemplary embodiment provides a kind of vehicle-mounted terminal equipment, it is characterised in that the vehicle-mounted terminal equipment
It is arranged on preset vehicle, and including：Information obtaining device, it is configured to obtain the driving information of the preset vehicle；Communication
Device, it is configured to when the preset vehicle drives towards intersection of roads, by using the radio resource less than 1GHz frequencies
The driving information of acquisition is sent to traffic signalization equipment by the wireless network of formation, so that traffic signalization equipment
The traffic signals of the intersection of roads are adjusted according to the driving information.
The collection and forwarding of driving information are carried out using the radio resource less than 1GHz frequencies by vehicle-mounted terminal equipment,
Provide the more inexpensive solution of the driving information for obtaining preset vehicle.
Further exemplary embodiment provides a kind of method for adjusting traffic signals, including：When preset vehicle is sailed
During to intersection of roads, the row of preset vehicle is received by using the wireless network of the radio resource formation less than 1GHz frequencies
Sail information；The traffic signals of the intersection of roads are adjusted according to the driving information of reception.
The method of exemplary embodiment employ less than 1GHz frequencies radio resource carry out driving information collection and
Forwarding, there is provided for the more inexpensive solution for the driving information for obtaining preset vehicle, be more beneficial for preset vehicle
Priority pass.
In the method for above-mentioned example embodiment, the driving information includes the current location of the preset vehicle, institute
State the current vehicle speed of preset vehicle, at least one of the current driving direction of the preset vehicle.
The information such as the current location of preset vehicle, current vehicle speed, current driving direction are the bases of preset vehicle priority pass
This information.
The method of above-mentioned example embodiment also includes：When the traffic signals of the intersection of roads is described in instruction permissions
When allowing to pass through signal, holding for signal is would allow through according to the driving information by the intersection of roads for preset vehicle
Continuous time lengthening is the preset vehicle is passed through the intersection of roads.
So that preset vehicle can preferentially pass through intersection of roads.
The method of above-mentioned example embodiment also includes：When the traffic signals of the intersection of roads do not allow institute for instruction
Preset vehicle is stated by the intersection of roads when not allowing to pass through signal, does not allow to lead to by described according to the driving information
Crossing signal and changing into allows by signal, the preset vehicle is passed through the intersection of roads.
So that preset vehicle can preferentially pass through intersection of roads.
Further exemplary embodiment provides a kind of method for adjusting traffic signals, and methods described includes：Obtain
The driving information of preset vehicle；When the preset vehicle drives towards intersection of roads, by using wireless less than 1GHz frequencies
The driving information of acquisition is sent to traffic signalization equipment by the wireless network that electric resources are formed, so that traffic signalization is set
The standby traffic signals that the intersection of roads is adjusted according to the driving information.
The method of exemplary embodiment uses the radio resource less than 1GHz frequencies to carry out the collection of driving information and turn
Hair, there is provided for obtaining the more inexpensive solution party of the driving informations such as the current location of preset vehicle, speed, travel direction
Case, it is more beneficial for the priority pass of preset vehicle.
In the method for above-mentioned example embodiment, the driving information includes the current location of the preset vehicle, institute
State the current vehicle speed of preset vehicle, at least one of the current driving direction of the preset vehicle.
The information such as the current location of preset vehicle, current vehicle speed, current driving direction are the bases of preset vehicle priority pass
This information.
The method of above-mentioned example embodiment also includes：When the traffic signals of the intersection of roads is described in instruction permissions
When allowing to pass through signal, holding for signal is would allow through according to the driving information by the intersection of roads for preset vehicle
Continuous time lengthening is the preset vehicle is passed through the intersection of roads.
So that preset vehicle can preferentially pass through intersection of roads.
The method of above-mentioned example embodiment also includes：When the traffic signals of the intersection of roads do not allow institute for instruction
Preset vehicle is stated by the intersection of roads when not allowing to pass through signal, does not allow to lead to by described according to the driving information
Crossing signal and changing into allows by signal, the preset vehicle is passed through the intersection of roads.
So that preset vehicle can preferentially pass through intersection of roads.
Because above-mentioned each exemplary embodiment employs the radio resource progress driving information less than 1GHz frequencies
Collection and forwarding, thus provide for obtain mass transportation facilities current location, the current vehicle speed of mass transportation facilities, public affairs
The more inexpensive solution of the driving information such as current driving direction of vehicular traffic altogether, is more beneficial for mass transportation facilities
Priority pass.
Brief description of the drawings
Preferred embodiment of the present disclosure will be described in detail by referring to accompanying drawing below, and make one of ordinary skill in the art more
The above and other feature and advantage of the disclosure are understood, in accompanying drawing：
Fig. 1 is the system block diagram for being used to adjust traffic signals according to one exemplary embodiment of the disclosure；
Fig. 2 is according to system block diagram of the disclosure another exemplary embodiment for adjusting traffic signals；
Fig. 3 is the block diagram according to the vehicle-mounted terminal equipment of one exemplary embodiment of the disclosure；
Fig. 4 is the block diagram according to the trunking of one exemplary embodiment of the disclosure；
Fig. 5 is to implement layout drawing according to the system for being used to adjust traffic signals of one exemplary embodiment of the disclosure；
Fig. 6 is according to method timing diagram of one exemplary embodiment of the disclosure for adjusting traffic signals.
Fig. 7 is according to method flow diagram of one exemplary embodiment of the disclosure for adjusting traffic signals.
Fig. 8 is according to method flow diagram of the disclosure another exemplary embodiment for adjusting traffic signals.
Reference numerals list
100 system for adjusting traffic signals
110 traffic signalization equipment
120 vehicle-mounted terminal equipments
130 wireless networks
140 traffic signals instruction equipments
210th, 210-1,210-2,210-3,210-4,210-5,210-n trunking
240 central control equipments
310 information obtaining devices
320 communicators
330 microcontrollers
340 memories
350 antenna elements
360 external interfaces
370 power supply units
410 communication units
420 microcontrollers
430 memories
440 antenna elements
450 external interfaces
460 power supply units
S701 steps 701
S702 steps 702
S801 steps 801
S802 steps 802
Embodiment
To make the purpose, technical scheme and advantage of the disclosure clearer, following with exemplary embodiment to the disclosure
It is further described in detail.
As it was previously stated, there is the side of collection and forwarding that driving information is carried out using 2.4GHz wireless networks (such as bluetooth)
Case.But each node communication distance of 2.4GHz wireless networks is typically several meters or tens meters, can not reach one kilometer
More than.If reach more than one kilometer of transmission range, it is necessary to realized with the mode for setting up node, but the shortcomings that this practice
It is that must build, safeguard more nodes, even without malfunction and failure, the shortcomings that there is also must often change battery.
As it was previously stated, there is the scheme of the driving information using cellular mobile network forwarding public transit vehicle.But this scheme
Typically to be related to spectrum authorization, or even if with telecom dealer cooperation, be carried out data transmission using its base station, it is also necessary to pay to electricity
Believe business.
It is probably the wireless network using Wi-Fi (Wireless Fidelity, meeting IEEE 802.11b standards) to have one kind
Network, but Wi-Fi is also high band, transmission range is short, and the method that carry out long range transmission is enhancing transmit power, separately
One method is many Wi-Fi modules of arrangement, and this can all greatly increase cost.Also, the real time response speed of Wi-Fi systems
It is relatively slow, because Wi-Fi module needs more times to add Wi-Fi systems.Moreover the application of this area does not need Wi-Fi
More than Mbps transmission rate, it is only necessary to the transmission rate of kbps ranks.
Embodiment of the disclosure provides a kind of current location of mass transportation facilities of collection in real time, present speed, current
The new system, apparatus and method of the driving informations such as travel direction.According to the exemplary embodiment of the disclosure, it is less than by combining
The traffic signal control system of the Radio Transmission Technology of 1GHz frequency bands and such as Siemens, can be easily in road
Intersection adjusts the state of traffic signals, and greatly convenient public transport priority is passed through.
Fig. 1 is the system block diagram for being used to adjust traffic signals according to one exemplary embodiment of the disclosure.
As shown in figure 1, included according to the system 100 for being used to adjust traffic signals of the disclosure exemplary embodiment
Traffic signalization equipment 110 and vehicle-mounted terminal equipment 120.
In the exemplary embodiment, traffic signalization equipment 110 is configured to be used below 1GHz in intersection of roads
The radio resource of frequency forms wireless network 130.
In the exemplary embodiment, vehicle-mounted terminal equipment 120 is arranged on preset vehicle, and it is predetermined to be configured to obtain this
The driving information of vehicle.Vehicle-mounted terminal equipment 120 is configured to, when the preset vehicle drives towards the intersection of roads, pass through nothing
Gauze network 130 communicates to connect with traffic signalization equipment 110, is set so as to which the driving information is sent into traffic signalization
Standby 110.The traffic that traffic signalization equipment 110 is configured to adjust the intersection of roads according to the driving information of reception is believed
Number.
Fig. 2 is the system block diagram for being used to adjust traffic signals according to disclosure another exemplary embodiment.
As shown in Fig. 2 the traffic signalization equipment 110 in the system 100 of the exemplary embodiment of the disclosure is also
Including at least one relay 210-1,210-2 ..., 210-n (if not situation about being specifically designated, unify mark below
210) and control device 220 for.
In the exemplary embodiment, at least one relay 210, which is separately positioned on, is intersected in the more of the intersection of roads
At the side of every road in bar road.In the exemplary embodiment, control device 220 is configured to pass through wireless network
130 communicate to connect with least one relay 210.
In the exemplary embodiment, when the preset vehicle drives towards the intersection of roads through a road in a plurality of road
When, vehicle-mounted terminal equipment 120 is connected to wireless network 130.It is arranged on the relay 210 at the side of this road and passes through nothing
Gauze network 130 receives the driving information sent from vehicle-mounted terminal equipment 120, and the driving information of reception is passed through into wireless network
130 are sent to control device 220.Control device 220 is configured to adjust the intersection of roads according to the driving information of reception
Traffic signals.
In the exemplary embodiment, the traffic signals of intersection of roads can for example pass through traffic signals instruction equipment 140
To indicate.Traffic signals instruction equipment 140 is, for example, traffic lights.
In the exemplary embodiment, this can be arranged in the side of every road of a plurality of road for leading to intersection of roads
One in a little trunkings 210.For example, each trunking 210 can be arranged in every road for leading to intersection of roads
Right side (or left side), near entering the intersection of roads when the preset vehicle during region, from the preset vehicle
Receive the driving information of vehicle.
These trunkings 210 can be realized by wireless router.Established between each trunking 210 wireless
Network 130, each trunking 210 can carry out the reception and transmission of data-signal by wireless network 130, so as to shared letter
Breath and data.
Control device 220 can be established by wireless network 130 and each trunking 210 and communicated to connect, so as to
A few trunking 210 receives the driving information of vehicle.Control device 220 adjusts road according to the driving information of vehicle and crossed
The state of the traffic signals at place.The state of traffic signals refers to that traffic signals are in the state for allowing vehicle to pass through (such as but not
It is limited to green light) or the state (being such as, but not limited to red light) that does not allow vehicle to pass through.According to the disclosure a implementation
Example, control device 220 can be, but not limited to be Siemens traffic signal control MCU6 and/or ST series
(ST800, ST950 etc.).
According to one embodiment of the disclosure, foregoing preset vehicle can be mass transportation facilities, such as, but not limited to
It is bus, light rail train etc..Current location of the foregoing driving information including vehicle, current vehicle speed, current driving direction etc.
In it is at least one.Foregoing driving information can also include the current precedence information of vehicle, for example, public transit vehicle is current excellent
First level is higher than common vehicle.Crossed for example, traffic signalization equipment 110 adjusts road according to the current precedence information of vehicle
The state of the traffic signals at place, so as to public transit vehicle priority pass.
According to one embodiment of the disclosure, the radio resource that wireless network 130 is used below 1GHz frequencies is led to
Letter.Less than the radio resource of 1GHz frequencies, as 300MHz, 315MHz, 387MHz, 433MHz, 470MHz, 779MHz,
868MHz, 915MHz etc., are loosely referred to as Sub1GHz.
The benefit of low frequency is that transmitting range farther out can be obtained under identical transmit power, if using 315MHz, with Wi-Fi's
2.4GHz is compared, and differs about 8 times, if Wi-Fi can transmit 100 meters, 315MHz is transmittable 800 meters, along with less than
1GHz frequency does not need high transmission rates, thus does not need the complex modulations such as 16QAM, 64QAM, only need to use such as ASK, FSK
Simple modulation, the result using simple modulation is that transmission range is farther.
Wireless network 130 in accordance with an embodiment of the present disclosure has self using the radio resource less than 1GHz frequencies
The functions such as tissue, self, predetermined wireless device can be automatically added or depart from the network.Wireless network 130 has
The characteristics of low cost, low-power consumption.The topological structure of wireless network 130 can be point-to-point structure, star topology, tree,
At least one of network structure.
At least one trunking 101 forms each node in wireless network 130.Node in wireless network 130 is also
It can be vehicle-mounted terminal equipment.The specific topological structure of each node of wireless network 130 can be according to the complexity of crossing environment
Degree is built, e.g. crossroad or T-shaped road junction, whether there is building etc..According to the nothing of the exemplary embodiment of the disclosure
The implementation of gauze network 130 is not construed as limiting to the scope of the present disclosure, those skilled in the art can according to existing and/or
The networking technology of development in the future, realizes the establishment and maintenance of wireless network 130.
According to another exemplary embodiment of the disclosure, during the system 100 for adjusting traffic signals can also include
Entreat control device 240.Central control equipment 240 (being such as, but not limited to server apparatus) can be arranged in traffic control center
Side, central control equipment 240 by cable network (being such as, but not limited to Ethernet) or another wireless network (such as but not
It is limited to cellular mobile network) 230 driving informations for receiving vehicle from traffic signalization equipment 110, and according to default excellent
First level is regular (such as mass transportation facilities priority pass), is sent to traffic signalization equipment 110 for adjusting traffic signals
Control signal.
Fig. 3 is the block diagram according to the vehicle-mounted terminal equipment of one exemplary embodiment of the disclosure.
As shown in figure 3, information obtaining device is included according to the vehicle-mounted terminal equipment 120 of the exemplary embodiment of the disclosure
310th, communicator 320, microcontroller 330, memory 340 etc..Above-mentioned each device and part are in vehicle-mounted terminal equipment 120
It is connected with each other.
In the exemplary embodiment, information obtaining device 310 is configured to obtain the driving information of the preset vehicle.Institute
State driving information include the current location of the preset vehicle, the current vehicle speed of the preset vehicle, the preset vehicle work as
At least one of preceding travel direction.For example, information obtaining device 310 can include position sensor, velocity sensor, direction
It is at least one in sensor etc..Position sensor is used for the current location for sensing the preset vehicle, and velocity sensor is used for
The current vehicle speed of the preset vehicle is sensed, direction sensor is used for the current driving direction for sensing the preset vehicle.Showing
In example property embodiment, the position sensor can include global position system GPS module, and the position for obtaining preset vehicle is sat
Data, and the change that the information obtaining device 310 can be according to the position coordinate data obtained over time are marked, passes through meter
Calculate the driving informations such as the current vehicle speed for obtaining the preset vehicle and current driving direction.According to the disclosure another be exemplary
Embodiment, information obtaining device 310 can not also include GPS module, i.e., the driving information of vehicle is not obtained by GPS system,
And the driving information of vehicle is achieved other ways, it is not construed as limiting to the scope of the present disclosure.
Communicator 320 is used to carry out data-signal by the wireless network 303 less than 1GHz frequency bands and miscellaneous equipment
Send and receive.For example, when the preset vehicle drives towards the intersection of roads, the communication dress in vehicle-mounted terminal equipment 120
Put the wireless network 130 that 320 additions are less than 1GHz frequency bands, and the institute for information obtaining device 310 being obtained by wireless network 130
State driving information and be sent to traffic signalization equipment 110.Communicator 320 can for example include BBP and radio frequency
The hardware modules such as modulating unit.
Microcontroller 330 is according to the control information from user and/or programmed instruction to being obtained by information obtaining device 310
The vehicle traveling information taken and the information from miscellaneous equipment are handled, and for controlling in vehicle-mounted terminal equipment 120
The operation of each functional unit.
The vehicle traveling information that memory 340 is used to storing control information from user and/or programmed instruction, obtains with
And vehicle pass-through precedence information and microcontroller 330 be controlled and/or data processing caused by various intermediate data
Deng.
According to an exemplary embodiment, vehicle-mounted terminal equipment 120 can also include antenna element 350.Antenna element 350
For (being, for example, driving information by the information data from communicator 320 by the wireless network 130 less than 1GHz frequency bands
And/or the precedence information of vehicle pass-through) it is sent to external equipment, or from external equipment receive information data.
According to an exemplary embodiment, vehicle-mounted terminal equipment 120 can also include external interface 360.External interface 360
Such as, but not limited to it is any one of interfaces such as USB, IEEE1394, RJ11, RJ45, for the external equipment with user
(being such as, but not limited to computer equipment etc.) is connected, and the control to vehicle-mounted terminal equipment 120 is received from the external equipment of user
Information and/or programmed instruction.The control information and/or programmed instruction can be run in microcontroller 330, for controlling car
The various operations of mounted terminal equipment 120, such as, but not limited to network detection, add network, data reception/transmission etc..
According to an exemplary embodiment, vehicle-mounted terminal equipment 120 can also include power supply unit 370.Power supply unit 370
For carrying out supply of electric power to each device and part in vehicle-mounted terminal equipment 120.
Power supply unit 370 can not also be included according to the vehicle-mounted terminal equipment 120 of the disclosure exemplary embodiment,
And supply of electric power is obtained from the vehicle by vehicle power supply unit in itself and/or external power interface.
Fig. 4 is the block diagram according to the trunking of one exemplary embodiment of the disclosure.
As shown in figure 4, communication unit 410, microcontroller are included according to the trunking 210 of disclosure one embodiment
420th, memory 430 etc..Above-mentioned unit is connected with each other in trunking 210.
Communication unit 410 is used to be less than the wireless network 130 of 1GHz frequency bands with miscellaneous equipment structure, and passes through wireless network
130 carry out sending and receiving for data/signal with miscellaneous equipment.According to an exemplary embodiment, miscellaneous equipment here can
To be any one in other any one trunking 210 or vehicle-mounted terminal equipment 120, control device 220
It is or multiple.The hardware module such as can include BBP and radio-frequency modulations unit of communication unit 410.
Microcontroller 420 is according to the control information from user and/or the programmed instruction prestored, to the vehicle of reception
Driving information, vehicle pass-through precedence information and the information from miscellaneous equipment are handled, and for controlling trunking
The operation of each functional unit in 210.
The vehicle traveling information that memory 430 is used to storing control information from user and/or programmed instruction, receives with
And vehicle pass-through precedence information and microcontroller 420 be controlled and/or data processing etc. caused by various mediants
According to etc..
According to an exemplary embodiment, trunking 210 can also include antenna element 440.Antenna element 440 is used for
By the wireless network 130 less than 1GHz frequency bands, the information data from communication unit 410 is sent to external equipment, or
From external equipment receive information data.
According to an exemplary embodiment, trunking 210 can also include external interface 450.External interface 450 is for example
But be not limited to any one of interfaces such as USB, IEEE1394, RJ11, RJ45, for user external equipment (such as
But be not limited to computer equipment etc.) connection, received from the external equipment of user to the control information of trunking 210 and/or
Programmed instruction.The control information and/or programmed instruction can be run in microcontroller 420, for controlling trunking 210
Various operations, such as, but not limited to networking, detection, data reception/transmission etc..
According to an exemplary embodiment, trunking 210 can also include power supply unit 460.Power supply unit 460 is used for
Supply of electric power is carried out to the unit in trunking 210.
According to one embodiment of the disclosure, when preset vehicle comes into the region near intersection of roads, this is logical
Believe that unit 410 receives the driving information of vehicle by wireless network 130 from the vehicle-mounted terminal equipment 120 on the preset vehicle, and
The control that the driving information of vehicle is sent to traffic signalization equipment 110 by communication unit 410 and antenna element 440 fills
220 are put, the traffic signals of intersection of roads are adjusted by control device 220.
According to another exemplary embodiment of the disclosure, traffic signalization equipment 110 can also include telegon and fill
Put.Coordinator device can be realized using any one relay 210.Coordinator device can be used for initiating to establish wirelessly
Network 130, the information of each node of collection network, safeguards normal operation of network etc..Coordinator device can be by wireless
Network 130 receives the driving information of vehicle from any one in trunking 210, and replaces trunking 210 by vehicle
Driving information is transmitted to control device 220.
Fig. 5 is the system example layout drawing for being used to adjust traffic signals according to one exemplary embodiment of the disclosure.
As shown in figure 5, being disposed with control device 220 in intersection of roads, and it is disposed with wireless less than 1GHz frequencies
Network 130.The wireless network 130 is by starting and safeguarding as at least one relay 210-5 of coordinator device.At least one
Individual relay 210 is communicated by wireless network 130 with control device 220.
According to the difference of road conditions environment, one can be arranged in the one or both sides for leading to every road of intersection of roads
Or multiple relays 210.According to an exemplary embodiment, on every road being connected with intersection of roads, in vehicle
A relay 210 is arranged towards the road side of intersection of roads direction running.According to another exemplary embodiment,
A relay 210 can be arranged in the opposite side of vehicle towards the road of intersection of roads direction running.Nothing shown in Fig. 5
The topological structure of gauze network 130 is, for example, network structure.
Traffic control is also included according to the system 100 for being used to adjust traffic signals of the disclosure exemplary embodiment
Center.Be provided with central control equipment 240 in traffic control center, central control equipment 240 by cable network (such as but not
It is limited to Ethernet) or another wireless network (being such as, but not limited to cellular mobile network) 230 and traffic signalization equipment
110 control device 220 communicates to connect.Pass through the connection of control device 220 and central control equipment 240, central control equipment
240 can also obtain the information of the topological structure about wireless network 130.
Vehicle-mounted terminal equipment 120 is disposed with mass transportation facilities.When mass transportation facilities enter the model of wireless network 130
When enclosing interior, vehicle-mounted terminal equipment 120 is automatically added to wireless network 130, and by such as current location of the mass transportation facilities, when
Kind of information or identity (ID) information of the driving informations such as preceding speed, current driving direction and the vehicle (herein can be with
Referred to as vehicle precedence information) it is sent to a relay 210 closer to the distance with it.Above-mentioned driving information and priority letter
Breath is sent to the central control equipment 240 of traffic control center by relay 210 and control device 220.
Central control equipment 240 is pre- according to above-mentioned driving information and precedence information and in central control equipment 240
The current priority rule first set, the traffic sent to traffic signalization equipment 110 for adjusting mass transportation facilities are believed
Number control information.Control device 220 in traffic signalization equipment 110 generates control signal according to above-mentioned control information,
The state of the traffic signals for the mass transportation facilities is adjusted, to ensure the mass transportation facilities priority pass.
According to an exemplary embodiment, as shown in figure 5, being arranged on the relay of the east side road of intersection of roads
By receiving the driving information of mass transportation facilities from vehicle-mounted terminal equipment 120, (and precedence information knows the car to 210-1
Travel direction be from east to west towards the intersection of roads, position is away from the distance that the intersection of roads is 40 meters, speed
30 kilometers/hour.Above-mentioned driving information and vehicle precedence information are sent to control device 220 by relay 210-1.Control
Above-mentioned driving information and vehicle precedence information are sent to central control equipment 240 by device 220 processed.Central control equipment
240 is regular (being stored in advance in database or memory) according to the mass transportation facilities priority pass that pre-sets, from being connect
Such as vehicle class information or vehicle identity information received judge that the preset vehicle is mass transportation facilities, and thus generation allows
The control information of the preset vehicle priority pass.The control information generated is sent to traffic signals by central control equipment 240
The control device 220 of control device 110.Control device 220 generates control signal according to the control information, passes through the control signal
To control the state of traffic signals.
According to an exemplary embodiment, when the traffic signals of the intersection of roads allow the preset vehicle for instruction
By the intersection of roads when allowing to pass through signal, traffic signalization equipment 110 will allow according to the driving information
Duration extension by signal is the preset vehicle is passed through the intersection of roads.If for example, exist at that time
Direction from east to west, the states of traffic signals is will be from allowing current state (being, for example, green light) current to not allowing
The situation of state (being, for example, red light) conversion, central control equipment 240 are sentenced according to the current position of the preset vehicle and speed
Whether the disconnected preset vehicle can allow normal through the intersection of roads how to judge in the time of current traffic signals at this
Result is can be normal through not being adjusted then to traffic signals.If a determination be made that can not be normal through, and calculate
The preset vehicle also needs 5 seconds could be by the intersection of roads, then central control equipment 240, which is sent, will allow current shape
State extends the control information of 5 seconds, and control device 220 can control traffic signals to allow to pass through according to above-mentioned control information
State extends 5 seconds, to allow the mass transportation facilities under the green light phase of extension by the intersection of roads.
According to another exemplary embodiment, when the traffic signals of the intersection of roads do not allow described make a reservation for for instruction
Vehicle is not by the intersection of roads when allowing to pass through signal, and traffic signalization equipment 110 is according to the driving information
Do not allow to be adjusted to allow by signal by signal by described, the preset vehicle is passed through the intersection of roads.Example again
Such as, if at that time in direction from east to west, the state of traffic signals is not allow current state, and central control equipment
240 are calculated as just being converted to also for some time (such as 10 seconds) and allow current state, and the preset vehicle was at 5 seconds
The intersection of roads is reached after clock, then control device 220 is handed over according to the control information received from central control equipment 240, control
Messenger does not allow prevailing state to shift to an earlier date 5 seconds to be converted to permission prevailing state, to allow the mass transportation facilities one to arrive
, just can be immediately by the intersection of roads and without waiting for the extra time up to the intersection of roads.Those skilled in the art
More other rules for allowing mass transportation facilities priority pass can also be set, and the specific rules are not to the scope of the present disclosure
It is construed as limiting.
According to another exemplary embodiment, if placed at the relay 210-1 of the east side road of intersection of roads
By from vehicle-mounted terminal equipment 120 receive the vehicle driving information and know the travel direction of the vehicle be from west to east away from
The intersection of roads, then relay 210-1 is to the driving information of the transmission of control device 220 vehicle.
Fig. 6 is according to method timing diagram of one exemplary embodiment of the disclosure for adjusting traffic signals.
It is as shown in Figure 6 according to the method for being used to adjust traffic signals of the disclosure exemplary embodiment.In step
S601, when region near preset vehicle enters intersection of roads, vehicle-mounted terminal equipment 120 adds wireless network 130.
In step S602, the driving information of the preset vehicle is sent to by vehicle-mounted terminal equipment 120 by wireless network 130
Trunking 210, and the trunking 210 receives the driving information.
In step S603, the driving information is sent to control device 220 by relay 210, and the control device 220 receives
Above-mentioned driving information.
In step S604, the driving information is sent to central control equipment 240 by the control device 220, center control
Equipment 240 receives the driving information.According to an exemplary embodiment, the central control equipment 240 according to the driving information, and
With reference to the current instruction state of the traffic signals instruction equipment 140 of the intersection of roads, judge whether to need to adjust current friendship
Messenger indicates, and when being judged as needing adjustment, generates the control information for adjusting traffic signals.
In step S605, the control information is sent to traffic signalization equipment 110, traffic by central control equipment 240
Signal control device 110 receives the control information.According to an exemplary embodiment, traffic signalization equipment 110 is based on should
Control information generates control signal, and the traffic signals of intersection of roads are adjusted by the control signal.According to the disclosure
An exemplary embodiment be used to adjusting in the methods of traffic signals, the wireless network is used below the nothing of 1GHz frequencies
Line electric resources.
Fig. 7 is according to method flow diagram of one exemplary embodiment of the disclosure for adjusting traffic signals.
As shown in fig. 7, in step S701, when preset vehicle drives towards intersection of roads, by using less than 1GHz frequencies
Radio resource formed wireless network receive preset vehicle driving information.In step S702, according to the row of reception
Sail the traffic signals that information adjusts the intersection of roads.
According to the disclosure exemplary embodiment, above-mentioned steps S701 and S702 can be set by traffic signalization
Standby 110 implement.
Fig. 8 is according to method flow diagram of the disclosure another exemplary embodiment for adjusting traffic signals.
As shown in figure 8, in step S801, the driving information of preset vehicle is obtained.In step S802, when the preset vehicle
When driving towards intersection of roads, the wireless network by using the radio resource formation less than 1GHz frequencies believes the traveling of acquisition
Breath is sent to traffic signalization equipment, is crossed so that traffic signalization equipment adjusts the road according to the driving information
The traffic signals at place.
According to the disclosure exemplary embodiment, above-mentioned steps S801 and S802 can pass through vehicle-mounted terminal equipment
120 implement.
In the method according to above-mentioned each exemplary embodiment of the disclosure, the execution sequence of each step is not to this public affairs
The scope opened is construed as limiting, and each step can also be with different or opposite sequentially executed or be performed simultaneously.
The exemplary embodiment of the disclosure is the foregoing is only, it is all in the disclosure not to limit the scope of the present disclosure
Spirit and principle within any modification, equivalent substitution and improvements made etc., should be included in the disclosure protection domain it
It is interior.
Claims (17)
1. a kind of system (100) for being used to adjust traffic signals, it is characterised in that the system (100) includes traffic signals control
Control equipment (110) and vehicle-mounted terminal equipment (120), wherein,
The radio resource that traffic signalization equipment (110) is configured to be used below 1GHz frequencies in intersection of roads is formed
Wireless network (130),
Vehicle-mounted terminal equipment (120) is arranged on preset vehicle, and is configured to obtain the driving information of the preset vehicle,
Wherein, vehicle-mounted terminal equipment (120) is configured to when the preset vehicle drives towards the intersection of roads by wireless
Network (130) communicates to connect with traffic signalization equipment (110), so as to which the driving information is sent into traffic signalization
Equipment (110), traffic signalization equipment (110) are configured to be crossed according to the driving information of the reception adjustment road
The traffic signals at place.
2. system according to claim 1, it is characterised in that the traffic signalization equipment (110) includes：
At least one relay (210), it is separately positioned on a plurality of road Zhong Meitiao roads for being intersected in the intersection of roads
At the side on road, and the radio resource for being configured to be used below 1GHz frequencies forms wireless network (130)；
Control device (220), it is configured to by wireless network (130) and at least one relay (210) communication link
Connect,
Wherein, when vehicle-mounted terminal equipment (120) drive towards through a road in a plurality of road in the preset vehicle it is described
When wireless network (130) are connected to during intersection of roads, it is arranged on the relay at the side of this road and passes through wireless network
Network (130) receives the driving information sent from vehicle-mounted terminal equipment (120), and the driving information of reception is passed through into nothing
Gauze network (130) is sent to control device (220), so as to which control device (220) adjusts institute according to the driving information of reception
State the traffic signals of intersection of roads.
3. system according to claim 1, it is characterised in that vehicle-mounted terminal equipment (120) includes：
Information obtaining device (310), it is configured to obtain the driving information of the preset vehicle；
Communicator (320), it is configured to, when the preset vehicle drives towards the intersection of roads, pass through wireless network
(130) driving information of acquisition is sent to traffic signalization equipment (110).
4. system according to claim 3, it is characterised in that the driving information includes the present bit of the preset vehicle
Put, at least one of the current driving direction of the current vehicle speed of the preset vehicle, the preset vehicle, information obtaining device
(310) include：
Position sensor, for sensing the current location of the preset vehicle；
Velocity sensor, for sensing the current vehicle speed of the preset vehicle；
Direction sensor, for sensing the current driving direction of the preset vehicle.
5. system according to claim 1, it is characterised in that when the traffic signals of the intersection of roads allow for instruction
By the intersection of roads when allowing to pass through signal, traffic signalization equipment (110) is configured to the preset vehicle
The duration extension that signal is would allow through according to the driving information is the preset vehicle is passed through the road
Intersection.
6. system according to claim 1, it is characterised in that when the traffic signals of the intersection of roads do not permit for instruction
Perhaps described preset vehicle is not by the intersection of roads when allowing to pass through signal, and traffic signalization equipment (110) is by structure
Make according to the driving information, not allow to be adjusted to allow by signal by signal by described, leading to the preset vehicle
Cross the intersection of roads.
7. according to the system described in any one of claim 1-6, it is characterised in that the preset vehicle is vehicle for public transport
.
8. a kind of traffic signalization equipment (110), it is characterised in that the traffic signalization equipment (110) includes：
At least one relay (210), every road being separately positioned in a plurality of road for being intersected in intersection of roads
At side, and the radio resource for being configured to be used below 1GHz frequencies forms wireless network (130)；
Control device (220), it is configured to by wireless network (130) and at least one relay (210) communication link
Connect,
Wherein, when preset vehicle drives towards the intersection of roads through a road in a plurality of road, it is arranged on this
Relay (210) at the side of road is received vehicle-mounted on the preset vehicle from being arranged on by wireless network (130)
The driving information for the preset vehicle that terminal device (120) is sent, and the driving information of reception is passed through into wireless network
(130) control device (220) is sent to, so as to which control device (220) adjusts the road according to the driving information of reception
The traffic signals of intersection.
A kind of 9. vehicle-mounted terminal equipment (120), it is characterised in that the vehicle-mounted terminal equipment (120) is arranged on preset vehicle,
And including：
Information obtaining device (310), it is configured to obtain the driving information of the preset vehicle；
Communicator (320), it is configured to when the preset vehicle drives towards intersection of roads, by using less than 1GHz frequencies
Radio resource formed wireless network (130) driving information of acquisition is sent to traffic signalization equipment
(110), so that traffic signalization equipment (110) adjusts the traffic signals of the intersection of roads according to the driving information.
A kind of 10. method for adjusting traffic signals, it is characterised in that methods described includes：
When preset vehicle drives towards intersection of roads, by using the wireless network of the radio resource formation less than 1GHz frequencies
Receive the driving information of preset vehicle；
The traffic signals of the intersection of roads are adjusted according to the driving information of reception.
11. according to the method for claim 10, it is characterised in that the driving information includes the current of the preset vehicle
Position, the current vehicle speed of the preset vehicle, at least one of the current driving direction of the preset vehicle.
12. according to the method for claim 10, it is characterised in that also include：
When the permission that the traffic signals of the intersection of roads pass through the intersection of roads for the instruction permission preset vehicle
When passing through signal, the duration extension that signal is would allow through according to the driving information is the preset vehicle is led to
Cross the intersection of roads.
13. according to the method for claim 10, it is characterised in that also include：
When the intersection of roads traffic signals for instruction do not allow the preset vehicle by the intersection of roads not
When allowing to pass through signal, according to the driving information, by it is described do not allow to change into by signal allow by signal, make described
Preset vehicle passes through the intersection of roads.
A kind of 14. method for adjusting traffic signals, it is characterised in that methods described includes：
Obtain the driving information of preset vehicle；
When the preset vehicle drives towards intersection of roads, by using the wireless of the radio resource formation less than 1GHz frequencies
The driving information of acquisition is sent to traffic signalization equipment by network, so that traffic signalization equipment is believed according to the traveling
Breath adjusts the traffic signals of the intersection of roads.
15. according to the method for claim 14, it is characterised in that the driving information includes the current of the preset vehicle
Position, the current vehicle speed of the preset vehicle, at least one of the current driving direction of the preset vehicle.
16. according to the method for claim 14, it is characterised in that also include：
When the permission that the traffic signals of the intersection of roads pass through the intersection of roads for the instruction permission preset vehicle
When passing through signal, the duration extension that signal is would allow through according to the driving information is the preset vehicle is led to
Cross the intersection of roads.
17. according to the method for claim 14, it is characterised in that also include：
When the intersection of roads traffic signals for instruction do not allow the preset vehicle by the intersection of roads not
When allowing to pass through signal, according to the driving information by it is described do not allow to change into by signal allow by signal, make described
Preset vehicle passes through the intersection of roads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610868138.2A CN107886743A (en) | 2016-09-30 | 2016-09-30 | Adjust the system, apparatus and method of traffic signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610868138.2A CN107886743A (en) | 2016-09-30 | 2016-09-30 | Adjust the system, apparatus and method of traffic signals |
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| Publication Number | Publication Date |
|---|---|
| CN107886743A true CN107886743A (en) | 2018-04-06 |
Family
ID=61768843
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|---|---|---|---|
| CN201610868138.2A Pending CN107886743A (en) | 2016-09-30 | 2016-09-30 | Adjust the system, apparatus and method of traffic signals |
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Application publication date: 20180406 |