CN106710276B - Method for acquiring traffic information and device - Google Patents
Method for acquiring traffic information and device Download PDFInfo
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- CN106710276B CN106710276B CN201710170680.5A CN201710170680A CN106710276B CN 106710276 B CN106710276 B CN 106710276B CN 201710170680 A CN201710170680 A CN 201710170680A CN 106710276 B CN106710276 B CN 106710276B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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Abstract
This disclosure relates to a kind of method for acquiring traffic information and device, which comprises receive the track data that the target vehicle at a distance from targeted cache highway-entrance within a preset range is sent；According to the track data and freeway network data, the prevailing state of the targeted cache highway-entrance is obtained.The track data that the disclosure can be sent according to vehicle, accurately obtain the prevailing state of targeted cache highway-entrance, so that traveler can accurately obtain the trip state of highway, trip will not be influenced not in time or when publication failure because of the information that freeway management side issues.
Description
Technical field
This disclosure relates to technical field of information processing, and in particular, to a kind of method for acquiring traffic information and device.
Background technique
Highway is the important component of Modern Traffic.It is vaporous in unfavorable day in order to ensure the safety of driving
Under condition (for example, low visibility caused by sleet, dense fog etc.), expressway access can be closed, and forbid vehicle to enter high speed public
Road traveling.When expressway access is closed, if vehicle driver is unable to the closed state of timely learning highway, can lead
Vehicle and personnel is caused to be trapped at expressway access, greatly the delay vehicle driving time.
In the related technology, when traveler needs to inquire highway prevailing state, generally pass through conventional information platform and net
Network obtains, such as broadcast, TV, highway official website.However, the highway that broadcast, TV, highway official website obtain is logical
Row state is known at freeway management side (for example, related administration of highways department).If freeway management side is sent out
Not in time or since unexpected situation is issued when leading to publication failure, will lead to traveler cannot obtain the information of cloth in time
To highway prevailing state or can not know the prevailing state of related expressway access, brought not to the trip of traveler
Just.
Summary of the invention
Purpose of this disclosure is to provide a kind of method for acquiring traffic information and devices, to solve the problems in the relevant technologies.
To achieve the goals above, the disclosure in a first aspect, providing a kind of method for acquiring traffic information, comprising:
Receive the track data that the target vehicle at a distance from targeted cache highway-entrance within a preset range is sent；
According to the track data and freeway network data, the passage shape of the targeted cache highway-entrance is obtained
State.
Optionally, according to the track data and freeway network data, the targeted cache highway-entrance is determined
The step of prevailing state includes:
From the freeway network data, the coordinate of the charge station of the targeted cache highway-entrance is obtained；
From the freeway network data, nearest Xrds crossing at a distance from charge station connection is obtained
Coordinate；
Obtain the linear distance of the charge station and the Xrds crossing；
It obtains in the target vehicle, the track data in preset time period is described using the linear distance as radius
Charge station is the first vehicle set in first range in the center of circle；
According to the vehicle number in the first vehicle set, the prevailing state of the targeted cache highway-entrance is determined.
Optionally, according to the vehicle number in the first vehicle set, the passage of the targeted cache highway-entrance is determined
The step of state includes:
If the vehicle fleet size of the first vehicle set is greater than the first preset quantity, according in the first vehicle set
The track data of vehicle obtain the travel speed of the vehicle in the first vehicle set；
If the travel speed of the vehicle in the first vehicle set is below the first pre-set velocity, it is determined that the target
The prevailing state of expressway access is that closed probability is the first probability.
Optionally, according to the vehicle number in the first vehicle set, the passage of the targeted cache highway-entrance is determined
The step of state includes:
If the vehicle fleet size in the first vehicle set obtains in the target vehicle less than the first preset quantity,
Using pre-determined distance as radius, the charge station is the in second range in the center of circle for track data in the preset time period
Two vehicle set；
According to the directional information in the track data of the vehicle in the second vehicle set, obtaining direction of traffic is to enter
The third vehicle set of highway；
If the vehicle number in the third vehicle set is less than preset threshold, it is determined that the highway is closed probability
For the second probability；
If the vehicle number in the third vehicle set is greater than the preset threshold, according in the third vehicle set
Vehicle track data, determine the travel speed of the vehicle in the third vehicle set；
If the travel speed of the vehicle in the third vehicle set is below the second pre-set velocity, it is determined that the target
The prevailing state of expressway access is that closed probability is third probability；
If the vehicle number that the travel speed of the vehicle in the third vehicle set is higher than second pre-set velocity is greater than
Second preset quantity, it is determined that the prevailing state of expressway access is that closed probability is the 4th probability.
Optionally, the method also includes:
Obtain the vehicle status data of the vehicle in the first vehicle set, the vehicle status data include at least with
It is one of lower: fog lamp open state and rain brush open state；
According to the vehicle number in the first vehicle set and the vehicle-state of the vehicle in the first vehicle set
Data determine the prevailing state of the targeted cache highway-entrance.
Optionally, according to the track data and freeway network data, the targeted cache highway-entrance is determined
The step of prevailing state includes:
According to the road line feature of the ring road of the targeted cache highway-entrance in the freeway network data with
And the track data of the vehicle, determine the current vehicle flow on the ring road of the targeted cache highway-entrance；
It is going through when opening by the current vehicle flow and the prevailing state of the targeted cache highway-entrance of same period
History vehicle flowrate is compared, with the prevailing state of the determination targeted cache highway-entrance.
Optionally, the method also includes:
The prevailing state of the targeted cache highway-entrance is sent to the destination being configured.
Second aspect provides a kind of traffic information acquisition device, comprising:
Receiving module is configured as receiving the target vehicle hair within a preset range at a distance from targeted cache highway-entrance
The track data sent；
Prevailing state determining module is configured as according to the track data and freeway network data, described in acquisition
The prevailing state of targeted cache highway-entrance.
Optionally, the prevailing state determining module includes:
First acquisition submodule is configured as from the freeway network data, obtains the targeted cache highway
The coordinate of the charge station of entrance；
Second acquisition submodule is configured as from the freeway network data, and acquisition is connect with the charge station
The nearest Xrds crossing of distance coordinate；
Third acquisition submodule is configured as obtaining the linear distance of the charge station and the Xrds crossing；
First vehicle set acquisition submodule, is configured as obtaining in the target vehicle, the track in preset time period
For data using the linear distance as radius, the charge station is the first vehicle set in first range in the center of circle；
First determines submodule, is configured as determining that the target is high according to the vehicle number in the first vehicle set
The prevailing state of fast highway-entrance.
Optionally, described first determine that submodule includes:
First travel speed acquisition submodule, if the vehicle fleet size for being configured as the first vehicle set is greater than first in advance
If quantity, then the vehicle in the first vehicle set is obtained according to the track data of the vehicle in the first vehicle set
Travel speed；
First determine the probability submodule, if the travel speed for the vehicle being configured as in the first vehicle set is below
First pre-set velocity, it is determined that the prevailing state of the targeted cache highway-entrance is that closed probability is the first probability.
Optionally, described first determine that submodule includes:
Second vehicle set acquisition submodule, if the vehicle fleet size being configured as in the first vehicle set is less than first
Preset quantity then obtains in the target vehicle, and the track data in the preset time period is using pre-determined distance as radius, institute
State the second vehicle set in the second range that charge station is the center of circle；
Third vehicle set acquisition submodule, is configured as the track data according to the vehicle in the second vehicle set
In directional information, obtain direction of traffic be into highway third vehicle set；
Second determine the probability submodule, if the vehicle number being configured as in the third vehicle set is less than preset threshold,
Then determine that the highway be closed probability is the second probability；
Second travel speed acquisition submodule, if the vehicle number being configured as in the third vehicle set is greater than described pre-
If threshold value, then according to the track data of the vehicle in the third vehicle set, the vehicle in the third vehicle set is determined
Travel speed；
Third determine the probability submodule, if the travel speed for the vehicle being configured as in the third vehicle set is below
Second pre-set velocity, it is determined that the prevailing state of the targeted cache highway-entrance is that closed probability is third probability；
4th determine the probability submodule, if the travel speed for the vehicle being configured as in the third vehicle set is higher than institute
The vehicle number for stating the second pre-set velocity is greater than the second preset quantity, it is determined that the prevailing state of expressway access is closed general
Rate is the 4th probability.
Optionally, described device further include:
Vehicle status data obtains module, is configured as obtaining the vehicle-state number of the vehicle in the first vehicle set
According to the vehicle status data includes at least one of: fog lamp open state and rain brush open state；
Described first determines submodule, is configured as according to the vehicle number and described first in the first vehicle set
The vehicle status data of vehicle in vehicle set determines the prevailing state of the targeted cache highway-entrance.
Optionally, the prevailing state determining module includes:
Ring road vehicle flowrate acquisition submodule is configured as according to the targeted cache in the freeway network data
The road line feature of the ring road of highway-entrance and the track data of the vehicle, determine the circle of the targeted cache highway-entrance
Current vehicle flow on road；
Second determines submodule, is configured as by the current vehicle flow and with the targeted cache highway-entrance of period
Prevailing state be that history vehicle flowrate when opening is compared, with the prevailing state of the determination targeted cache highway-entrance.
Optionally, described device further include:
Sending module is configured as the prevailing state of the targeted cache highway-entrance being sent to the purpose being configured
End.
The third aspect provides a kind of traffic information acquisition device, comprising:
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured as receiving the mesh at a distance from targeted cache highway-entrance within a preset range
Mark the track data that vehicle is sent；According to the track data and freeway network data, the targeted cache highway is obtained
The prevailing state of entrance.
Through the above technical solutions, the track data that can be sent according to vehicle, accurately obtains targeted cache highway-entrance
Prevailing state (whether close, is whether open-minded) will not be because of height so that traveler can accurately obtain the trip state of highway
The information of fast highway administration side's publication influences trip not in time or when publication failure；And the disclosure can enter highway
The prevailing state of mouth is sent to associated vehicle, so that the prevailing state of traveler timely learning expressway access, more convenient
The trip and route planning of traveler.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is that the traffic information of one embodiment of the disclosure obtains the structural schematic diagram of system；
Fig. 2 is the flow diagram of the method for acquiring traffic information of one embodiment of the disclosure；
Fig. 3 is the format for the data packet that the vehicle that server receives in one embodiment of the disclosure is sent；
Fig. 4 is, according to the track data of vehicle and freeway network data, to determine target height in one embodiment of the disclosure
The flow diagram of the prevailing state of fast highway-entrance；
Fig. 5 is the first range of one embodiment of the disclosure and the schematic diagram of the second range；
Fig. 6 is, according to the vehicle number in the first vehicle set, to determine targeted cache highway-entrance in one embodiment of the disclosure
Prevailing state flow diagram；
Fig. 7 is, according to the vehicle number in the first vehicle set, to determine that targeted cache highway enters in another embodiment of the disclosure
The flow diagram of the prevailing state of mouth；
Fig. 8 is the flow diagram of the method for acquiring traffic information of another embodiment of the disclosure；
Fig. 9 is, according to the track data of vehicle and freeway network data, to determine target in another embodiment of the disclosure
The flow diagram of the prevailing state of expressway access；
Figure 10 is that the prevailing state of expressway access is sent to the mesh being configured by server in one embodiment of the disclosure
End schematic diagram；
Figure 11 is in an embodiment of the disclosure, when server sends the prevailing state of expressway access to preset vehicle
Used data packet format schematic diagram；
Figure 12 is the block diagram of the traffic information acquisition device of one embodiment of the disclosure；
Figure 13 is a kind of block diagram of device for method for acquiring traffic information shown according to an exemplary embodiment.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
The structural schematic diagram of system is obtained referring to the traffic information that Fig. 1 is the embodiment of the present disclosure.
The system includes: server 10 and one or more vehicles 20.Vehicle 20 includes: vehicle device 21 and car-mounted terminal
22。
Vehicle device 21 includes at least: wireless communication module 210, GPS receiver 212, processor 214 and memory 216 etc..Its
In, memory 216 is for storing various data, including the position data that GPS receiver 212 generates, the journey of the operation of processor 214
Sequence code and operating system code etc..Processor 214 can run the operating system being stored in memory 216, to realize data
The processes such as processing, user's interaction.GPS receiver 212 is for handling the signal from GPS satellite that antenna receives, to obtain
The track datas such as longitude, latitude, speed, height and the driving direction of vehicle 20.Wireless communication module 210 is for realizing signal
It sends and receives, realizes the data interaction between vehicle 20 and server 10.
Wireless communication module 210 can be carried out using the agreement and server or other external equipments that communication standard provides
Communication, these agreements such as: 5G communication standard, LTE (Long Term Evolution, long term evolution), WCDMA (Wideband
Code Division Multiple Access, wideband code division multiple access), GSM (Global System for Mobile
Communication, global system for mobile communications), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA) etc..
In addition, vehicle device 21 may also include multimedia component, multimedia component may include screen and audio component.Wherein,
Screen can be touch screen, and audio component is used for output and/or input audio signal.For example, audio component may include one
Microphone, microphone is for receiving external audio signal.The received audio signal can be further stored in memory 216
Or module 210 is sent by wireless communication.Audio component further includes at least one loudspeaker, is used for output audio signal.
Car-mounted terminal 22 is connect with the CAN bus of vehicle 20, for obtaining the vehicle body status number of vehicle in real time from CAN network
According to.In addition, car-mounted terminal 22 is also connect with the data-interface of vehicle device 21, the vehicle body status data obtained by CAN bus is sent out
Give vehicle device 21.Vehicle body status data includes one or more of following data: the frequency of rain brush open state, rain brush
Rate, light open state and fog lamp open state.
In embodiment of the disclosure, under the control of processor 214, wireless communication module 210 can be by the rail of vehicle 20
Mark data and vehicle body status data are sent to server 10.
It is referring to fig. 2 the flow diagram of the method for acquiring traffic information of one embodiment of the disclosure.This method is applied to clothes
Business end, comprising the following steps:
In the step s 21, receive what the target vehicle at a distance from targeted cache highway-entrance within a preset range was sent
Track data.
In embodiment of the disclosure, preset range can be arranged according to administrative region or is arranged according to distance, for example, by mesh
City, area etc. belonging to mark expressway access are set as preset range, or by the range of distance objective expressway access 10Km
It is set as preset range.
As described above, the track data of vehicle includes the data such as longitude, dimension, speed, direction and the height of vehicle.As above
Described, target vehicle can acquire the track data of vehicle by vehicle device 21, and collected track data is included in data packet
In, it is sent to server.
It is the format of the data packet for the vehicle transmission that server receives in one embodiment of the disclosure referring to Fig. 3.Data packet
It include: header part and body portion.
Wherein, header part includes protocol header fields, for indicating the relevant information of communication protocol, for example, destination address,
Source address, data packet length etc..
Body portion includes: order id field, vehicle device number field, track data field and vehicle body mode field.Wherein,
Since the corresponding number of each instruction is not identical, order id field includes instructing corresponding number, with to different instructions into
Row is distinguished.For example, representing the instruction for uploading data if order id field is 101.Vehicle device number field is that the identity of vehicle is known
Other code, network interface card card number or IMEI (International Mobile Equipment Identity, International Mobile Equipment Identity
Code) etc..
Track data field may include one or more of following field: longitude field, latitudinal fields, Speed fields,
Direction field, height field and time field etc..As described above, longitude, latitude, speed, direction and height are the processing of vehicle
Device 214 is arrived according to the received acquisition of information of GPS receiver 212.Time can collect track data for GPS receiver 212
Time.
Vehicle body mode field may include one or more of following field: wiper status field, rain brush frequency field, lamp
Light open state field and fog lamp mode field etc..As described above, wiper status, rain brush frequency, light open state and fog lamp
State is to be got by the car-mounted terminal 22 of vehicle 21 by CAN bus.
Data packet format shown in Fig. 3 is exemplary only, and the data packet format of other forms also can be used in practice.?
In some embodiments, the vehicle body mode field in data packet is not required, and vehicle can only send track data to server.Ginseng
See Fig. 3, the length of each field can be according to being actually adjusted.It should be understood that the tune of each being adapted to property of field in data packet
It is whole, unwanted field can remove or be not written into data, to improve efficiency of transmission.
Vehicle acquires according to certain time interval and sends track data and vehicle body status data, for example, can be at interval of 1
Second carries out a data acquisition and sends.After server 10 receives data packet, the information of needs is obtained from corresponding field.
In step S22, according to track data and freeway network data, the passage of targeted cache highway-entrance is obtained
State.
In embodiment of the disclosure, freeway network data include: the road line feature of highway；Highway
On charge station (or hair fastener station) website element；And provincial highway in surrounding's preset range of expressway exit and entrance,
The road line feature of national highway and county road etc..
In the embodiment of the present disclosure, freeway network data can be the road net data of the highway in predeterminable area, example
Such as, the highway of (for example, national administrative region, provincial administrative region or city-level administrative region) is preset in administrative region.
In one embodiment, freeway network data can be obtained from electronic map data.For example, from electronic map
In include highway figure layer data in, obtain the road line feature of highway；Including the figure of national highway from electronic map
In layer data, the road line feature of national highway is obtained.
In an embodiment of the disclosure, road line feature is obtained from electronic map data by multiple location points
The coordinate set that longitude coordinate and latitude coordinate are constituted.Wherein, the road line feature of highway includes highway main road
Road line feature, road line feature of ring road etc..
The website element of charge station includes at least the charge of each expressway access obtained from electronic map data
The coordinate information stood.In some embodiments, the website element of charge station further include: the title of charge station.
It, can quilt there are when current risk and traffic safety hidden danger when highway is because of situations such as sleet, dense fog or construction
Closing.The closing of highway can be realized by the entrance of closing high-speed highway.In some embodiments, the entrance of highway
It is connected with charge station or hair fastener station etc., therefore, closes charge station or closing highway can be achieved in hair fastener station.
In one embodiment, when highway is closed, the vehicle for selecting the highway being closed to go on a journey has two
Kind situation: first is that, vehicle is trapped at charge station；Second is that if lead to charge station road on be provided with Sign Board (for example,
For informing traveler, the Sign Board that front expressway access has been closed), then vehicle selects other road drivings, without
Again to traveling at charge station.
Referring to fig. 4 and Fig. 5, in an embodiment of the disclosure, according to the track data of vehicle and freeway network number
Include: according to, the step of determining the prevailing state of targeted cache highway-entrance
In step S41, from freeway network data, the seat of a charge station F of targeted cache highway-entrance G is obtained
Mark (xF,yF).Wherein, xFAnd yFThe respectively longitude and dimension of charge station F.
In step S42, from freeway network data, Xrds nearest at a distance from charge station F connection is obtained
Coordinate (the x of crossing RR,yR).Wherein, xRAnd yRThe respectively longitude and dimension of intersection R.
In step S43, the linear distance D of charge station F and Xrds crossing R are obtained.
In step S44, obtain in target vehicle, track data in preset time period using linear distance D as radius,
Charge station F is the first vehicle set in first range in the center of circle.
In embodiment of the disclosure, if linear distance D is greater than 5Km, linear distance D takes 5Km.Preset time period is set
It is inside the accuracy in order to improve the prevailing state judgement of targeted cache highway-entrance, preset time period can be set according to the actual situation
It sets, for example, being set as 6:00 to 7:00 in morning in morning.
In step S45, according to the vehicle number in the first vehicle set, the passage shape of targeted cache highway-entrance is determined
State.
Referring to Fig. 6, in one embodiment, according to the vehicle number in the first vehicle set, determine that targeted cache highway enters
Mouthful prevailing state the step of include:
In step S61, if the vehicle fleet size of the first vehicle set is greater than the first preset quantity, according to the first vehicle collection
The track data of vehicle in conjunction obtains the travel speed of the vehicle in the first vehicle set.
First preset quantity may be configured as the value greater than 1.
In step S62, if the travel speed of the vehicle in the first vehicle set is below the first pre-set velocity, it is determined that
The prevailing state of targeted cache highway-entrance is that closed probability is the first probability.
In one embodiment, the first probability can be 90%.First pre-set velocity can be set as 2Km/h.
In embodiment of the disclosure, if the vehicle number in the first vehicle set is greater than the first preset quantity (for example, 2
), then the travel speed of vehicle is obtained according to the track data of vehicle, if the travel speed of the vehicle in the first vehicle set is equal
Lower than the first pre-set velocity (for example, 2Km), it is determined that the prevailing state of the expressway access is that closed probability is first general
Rate.It should be understood that the first pre-set velocity can be according to being actually configured and adjust.
The case where being trapped in charge station accordingly, for vehicle, can be according to the vehicle number and vehicle in the first vehicle set
Travel speed, determine closing or the opening state of expressway access.
Referring to Fig. 7, in another embodiment of the present disclosure, according to the vehicle number in the first vehicle set, target height is determined
The step of prevailing state of fast highway-entrance includes:
In step S71, if the vehicle fleet size in the first vehicle set obtains target vehicle less than the first preset quantity
In, for the track data in preset time period using pre-determined distance as radius, charge station is the second vehicle in second range in the center of circle
Set.
Pre-determined distance, which is greater than linear distance D, can set 5Km for pre-determined distance in one embodiment.
In step S72, according to the directional information in the track data of the vehicle in the second vehicle set, driving side is obtained
To for into the third vehicle set of highway.
In step S73, if the vehicle number in third vehicle set is less than preset threshold, it is determined that the highway is envelope
The probability closed is the second probability.
It in one embodiment, can will be pre- due to there may be police car, executing the non-public vehicles such as vehicle of special duty
If threshold value may be configured as 2.
In one embodiment, the second probability is 95%.
In step S74, if the vehicle number in third vehicle set is greater than preset threshold, according in third vehicle set
Vehicle track data, determine the travel speed of the vehicle in third vehicle set.
In step S75, if the travel speed of the vehicle in third vehicle set is below the second pre-set velocity, it is determined that
The prevailing state of targeted cache highway-entrance is that closed probability is third probability.
In one embodiment, the second pre-set velocity can be set as 2Km/h, when the speed of vehicle is lower than the pre-set velocity,
Vehicle is the state of parking of leveling off to.
In one embodiment, third probability is 95%.
In step S76, if the travel speed of the vehicle in third vehicle set is higher than the vehicle number of the second pre-set velocity
Greater than the second preset quantity, it is determined that the prevailing state of expressway access is that closed probability is the 4th probability.
In one embodiment, the second preset quantity can be set as the numerical value greater than 1.
In one embodiment, the 4th probability is 50%.
Referring to Fig. 8, in order to increase expressway access prevailing state judging nicety rate, in an embodiment of the disclosure
In, method for acquiring traffic information further include:
In step S81, the vehicle status data of the vehicle in the first vehicle set is obtained, vehicle status data is at least wrapped
Include one of: fog lamp open state and rain brush open state；
In step S82, according to the vehicle number in the first vehicle set and the vehicle of the vehicle in the first vehicle set
Status data determines the prevailing state of targeted cache highway-entrance.
If the ratio that fog lamp open state is the vehicle opened is more than the first preset ratio and/or rain brush open state is to open
The ratio of the vehicle opened is more than the second preset ratio, then according to above-mentioned Fig. 6 or Fig. 7 the step of judging result, by above-mentioned first
Passage of the probability as targeted cache highway-entrance G after probability, the second probability, third probability or the 4th probability increase preset value
State is closed probability.
In one embodiment, the first preset ratio can be 60%, and the second preset ratio can be 60%, and preset value can be
Arbitrary value between 3%~5%.For example, if opening the ratio of the vehicle of fog lamp in vehicle within the scope of 5Km apart from charge station F
Example has been more than 60%, then by above-mentioned Fig. 6 or Fig. 7 the step of obtained probability add 3%~5%.For example, according to above-mentioned Fig. 7
Shown step has determined that expressway access G be closed probability is third probability 95% in step S75, then due to away from
The vehicle ratio that fog lamp is opened in the vehicle within the scope of 5Km from charge station F is more than 60%, then finally obtained highway
Entrance G is that closed probability is 98% (third probability 95%+ preset value 3%).
It should be understood that the value after the first probability, the second probability, third probability and the 4th probability increase preset value should not exceed
100%, the maximum value 100% of probability is taken if more than 100%.In an embodiment of the disclosure, when expressway access
When prevailing state is that closed probability is greater than predetermined probabilities (for example, 90%), determine the prevailing state of expressway access for envelope
It closes；And when the prevailing state of expressway access is that closed probability is less than predetermined probabilities, it is determined that expressway access
Prevailing state is open-minded.
It in another embodiment, will be without vehicle driving in linking objective when being closed due to targeted cache highway-entrance G
On the ring road of expressway access G and highway main road.As a result, when the track data uploaded according to vehicle, monitor to connect
On the ring road of the targeted cache highway-entrance G and highway main road that are closed, when having vehicle driving, then target height can determine
The prevailing state of fast highway-entrance has become opening state from closed state.
Referring to Fig. 9, in another embodiment of the present disclosure, according to the track data of vehicle and freeway network data,
The step of determining the prevailing state of expressway access include:
In step S91, wanted according to the Road of the ring road of the targeted cache highway-entrance G in freeway network data
The track data of element and vehicle, determines the current vehicle flow on the ring road of targeted cache highway-entrance G.
Current vehicle flow is the vehicle number passed through in preset time period.
In step S92, the prevailing state by current vehicle flow and the targeted cache highway-entrance with the period is when opening
History vehicle flowrate be compared, to determine the prevailing state of expressway access G.
For example, current vehicle flow is the vehicle number on the ring road of morning 8:00 to morning 8:20 expressway access G, then obtain
The prevailing state of the expressway access G of morning 8:00 to morning 8:20 is taken as the history vehicle flowrate under opening state and works as front truck
Flow is compared.History vehicle flowrate is within the past period (for example, 1 month), according to the passage of expressway access G
State is what the track data statistics that current vehicle uploads obtained under opening state.
In an embodiment of the disclosure, if the vehicle number passed through in preset time period and the history vehicle flowrate with the period
Within a preset range, then the prevailing state of targeted cache highway-entrance G is identical as the history prevailing state with the period for gap.In advance
If range can be 0~50%, for example, current vehicle amount is 3/minute, the history vehicle flowrate with the period is 5/minute, and same
The prevailing state of session target expressway access be it is open-minded, then can determine that the current prevailing state of targeted cache highway-entrance is
It is open-minded.
If the vehicle number passed through in preset time period is when opening with the prevailing state with period targeted cache highway-entrance
The gap of history vehicle flowrate be more than preset range, then can determine the logical current line state of targeted cache highway-entrance for closing.
According to above-described embodiment, the prevailing state of targeted cache highway-entrance G can be obtained, after the same method, can obtain
All expressway accesses in particular range are (for example, all expressway accesses, certain administration in certain state's territorial limits save
All expressway accesses in range) prevailing state.If the prevailing state of a certain expressway access is closing, it is determined that
It is closed the time started and opens the time started.The time started can be the data packet sent according to vehicle and freeway network
Data determine that expressway access is the closed time.This, which opens the time started, to be the data packet and height that are sent according to vehicle
Fast highway network data determine that expressway access is the time opened.It is real when the variation of the prevailing state of expressway access
Shi Gengxin prevailing state and closing or at the beginning of opening.It can get the prevailing state table of expressway access as a result, such as
Shown in table 1.In some embodiments, it can also establish respectively that prevailing state is closed table and prevailing state is according to prevailing state
The table opened, as a result, when the prevailing state of a certain expressway access changes, for example, becoming open-minded from closed state
State deletes its information in the table (prevailing state is closed table) where original, and (prevailing state is opened in another table
Table) in increase its information.
Table 1
The track data that the method for acquiring traffic information of the embodiment of the present disclosure can be sent according to vehicle as a result, is accurately obtained
The prevailing state (whether close, is whether open-minded) for taking targeted cache highway-entrance, so that traveler can accurately obtain highway
Trip state, will not because freeway management side issue information not in time or publication failure when influence trip.And
The off-period of recordable expressway access judges high speed for the sustainable trace analysis in closed expressway access
Whether highway-entrance is again open-minded, and records service time.
In an embodiment of the disclosure, above-mentioned method for acquiring traffic information further include: by targeted cache highway-entrance
Prevailing state is sent to the destination being configured.
Referring to Figure 10, in the embodiment of the present disclosure, the destination being configured can be preset vehicle or default mobile terminal.?
The prevailing state of targeted cache highway-entrance is sent to preset vehicle or default mobile terminal.It should be understood that getting multiple high
It, can also be to multiple expressway access of preset vehicle or the transmission of default mobile terminal after the prevailing state of fast highway-entrance
Prevailing state.
It, can be selective by the logical of some or multiple expressway accesses according to user demand in one embodiment
Row state is sent to preset vehicle, the prevailing state table of expressway access obtained above can also be sent to preset vehicle.
In one embodiment, preset vehicle can be the vehicle within the scope of town, for example, the vehicle within the scope of the A of city, may be selected
The expressway access of trip includes X1, X2, X3, X4 and X5, then the prevailing state of the X1-X5 is sent within the scope of the A of city
Vehicle.
In another embodiment, preset vehicle can be the vehicle in the set distance of expressway access, for example, right
In expressway access X1, its prevailing state can be sent to the vehicle that the distance apart from expressway access X1 is 10Km.Make
The prevailing state of expressway access X1 can be known in advance by obtaining these vehicles, carry out the route planning of trip.
In some embodiments, preset vehicle can be the vehicle for having demand.There is the vehicle of demand can be for by customizing message
Mode, to server have sent customization request vehicle.In customization request can include: need to know that the high speed of prevailing state is public
Road entry name, customization end time etc..Server can be requested according to customization as a result, during customization, in real time to the vehicle of customization
Send the prevailing state of related expressway access.And when the customization time terminates or receive the end customized information of vehicle transmission
When, the prevailing state information of expressway access is just no longer sent to vehicle.
In some embodiments, can also only expressway access prevailing state be closing when, to corresponding vehicle send out
Prompting message is sent, to remind traveler to shift to an earlier date travel route planning.
It, will under the control of processor 214 after the vehicle device 21 of vehicle 20 receives the prevailing state information of server transmission
Prevailing state information by screen carry out display and/or by the loudspeaker of audio component by prevailing state information with the shape of sound
Formula output.As a result, the prevailing state of administrative staff's timely learning expressway access out.
In an embodiment of the disclosure, default mobile terminal may include such as mobile phone, smart phone, notebook
Computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP (portable media player),
Navigation device etc..
Through this embodiment, prevailing state information is sent to default mobile terminal, may make the inactive vehicle of traveler
Also the prevailing state that expressway access can be got performs trip planning in advance, provides for user's trip more acurrate more timely
Reliable information is brought convenience to the trip of traveler.
In one embodiment, server distributing programs equally provide the access interface of internet, access its of the interface
His App program can obtain highway prevailing state information, to provide more accurate, timely trusted for user's trip
Expressway Information.
Referring to Figure 11, it is in embodiment of the disclosure, when server sends to preset vehicle the passage of expressway access
When state, used data packet format.Data packet includes header part and body portion.Wherein, header part includes agreement
Head file.Body portion includes: order id field, vehicle device number field, a digital section, highway file-name field, charge station name
Field, prevailing state field and time field.
In one embodiment, number field indicates the number of closed expressway access, correspondingly, highway name
Field includes the title of closed highway, and charge station's file-name field includes the title of closed expressway access, current shape
State field is " 1 " (indicating closed state), and time field is each closed expressway access closed time.
In further embodiments, number field indicates the number for the expressway access opened, correspondingly, highway
File-name field includes the title for the highway opened, and charge station's file-name field includes the title for the expressway access opened, current
Mode field is " 0 " (indicating opening state), and time field is the time that each closed expressway access is opened.
It in some embodiments, can be according in customization request when server receives the customization request of vehicle transmission
Expressway access name sends the prevailing state information of corresponding expressway access to vehicle within the customization period.By
This, the vehicle device number field in data packet shown in Figure 11 is to have sent the vehicle device number of the vehicle of customization request.A number
Section can be set as empty.Highway file-name field is the expressway access name customized, and charge station's file-name field is the high speed customized
The corresponding charge station name of highway-entrance.
It should be understood that data packet format shown in Figure 11 is exemplary only, server can adjust data packet according to demand
Format, or field each in data packet is adjusted.
It, can be by the vehicle device number field in data packet shown in Figure 11 when sending prevailing state to default mobile terminal
Remove or be set as empty.
Correspondingly, the embodiment of the present disclosure also provides a kind of traffic information acquisition device referring to Figure 12.The traffic information obtains
Device 1200 includes:
Receiving module 1201 is configured as receiving the target carriage at a distance from targeted cache highway-entrance within a preset range
Send track data；
Prevailing state determining module 1202 is configured as being obtained according to the track data and freeway network data
The prevailing state of the targeted cache highway-entrance.
In one embodiment, prevailing state determining module 1202 includes:
First acquisition submodule is configured as from the freeway network data, obtains the targeted cache highway
The coordinate of the charge station of entrance；
Second acquisition submodule is configured as from the freeway network data, and acquisition is connect with the charge station
The nearest Xrds crossing of distance coordinate；
Third acquisition submodule is configured as obtaining the linear distance of the charge station and the Xrds crossing；
First vehicle set acquisition submodule, is configured as obtaining in the target vehicle, the track in preset time period
For data using the linear distance as radius, the charge station is the first vehicle set in first range in the center of circle；
First determines submodule, is configured as determining that the target is high according to the vehicle number in the first vehicle set
The prevailing state of fast highway-entrance.
In one embodiment, first determine that submodule includes:
First travel speed acquisition submodule, if the vehicle fleet size for being configured as the first vehicle set is greater than first in advance
If quantity, then the vehicle in the first vehicle set is obtained according to the track data of the vehicle in the first vehicle set
Travel speed；
First determine the probability submodule, if the travel speed for the vehicle being configured as in the first vehicle set is below
First pre-set velocity, it is determined that the prevailing state of the targeted cache highway-entrance is that closed probability is the first probability.
In one embodiment, first determine that submodule includes:
Second vehicle set acquisition submodule, if the vehicle fleet size being configured as in the first vehicle set is less than first
Preset quantity then obtains in the target vehicle, and the track data in the preset time period is using pre-determined distance as radius, institute
State the second vehicle set in the second range that charge station is the center of circle；
Third vehicle set acquisition submodule, is configured as the track data according to the vehicle in the second vehicle set
In directional information, obtain direction of traffic be into highway third vehicle set；
Second determine the probability submodule, if the vehicle number being configured as in the third vehicle set is less than preset threshold,
Then determine that the highway be closed probability is the second probability；
Second travel speed acquisition submodule, if the vehicle number being configured as in the third vehicle set is greater than described pre-
If threshold value, then according to the track data of the vehicle in the third vehicle set, the vehicle in the third vehicle set is determined
Travel speed；
Third determine the probability submodule, if the travel speed for the vehicle being configured as in the third vehicle set is below
Second pre-set velocity, it is determined that the prevailing state of the targeted cache highway-entrance is that closed probability is third probability；
4th determine the probability submodule, if the travel speed for the vehicle being configured as in the third vehicle set is higher than institute
The vehicle number for stating the second pre-set velocity is greater than the second preset quantity, it is determined that the prevailing state of expressway access is closed general
Rate is the 4th probability.
In one embodiment, device 1200 further include:
Vehicle status data obtains module, is configured as obtaining the vehicle-state number of the vehicle in the first vehicle set
According to the vehicle status data includes at least one of: fog lamp open state and rain brush open state；
Described first determines submodule, is configured as according to the vehicle number and described first in the first vehicle set
The vehicle status data of vehicle in vehicle set determines the prevailing state of the targeted cache highway-entrance.
In one embodiment, prevailing state determining module 1202 includes:
Ring road vehicle flowrate acquisition submodule is configured as according to the targeted cache in the freeway network data
The road line feature of the ring road of highway-entrance and the track data of the vehicle, determine the circle of the targeted cache highway-entrance
Current vehicle flow on road；
Second determines submodule, is configured as by the current vehicle flow and with the targeted cache highway-entrance of period
Prevailing state be that history vehicle flowrate when opening is compared, with the prevailing state of the determination targeted cache highway-entrance.
In one embodiment, device 1200 further include:
Sending module is configured as the prevailing state of targeted cache highway-entrance being sent to the destination being configured.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Figure 13 is a kind of frame of device 1300 for method for acquiring traffic information shown according to an exemplary embodiment
Figure, the device 1300 can be server.As shown, the device 1300 may include: processor 1301, memory 1302,
Multimedia component 1303, input/output (I/O) interface 1304 and communication component 1305.
Wherein, processor 1301 is used to control the integrated operation of the device 1300, is obtained with completing above-mentioned traffic information
The all or part of the steps of method.Memory 1302 is used for storage program area, and various types of data are to support in the device
1300 operation, these data for example may include any application or method for operating on the device 1300
Instruction and the relevant data of application program.The memory 1302 can be by any kind of volatibility or non-volatile memories
Equipment or their combination are realized, such as static random access memory (Static Random Access Memory, letter
Claim SRAM), electrically erasable programmable read-only memory (Electrically Erasable Programmable Read-Only
Memory, abbreviation EEPROM), Erasable Programmable Read Only Memory EPROM (Erasable Programmable Read-Only
Memory, abbreviation EPROM), programmable read only memory (Programmable Read-Only Memory, abbreviation PROM), only
It reads memory (Read-Only Memory, abbreviation ROM), magnetic memory, flash memory, disk or CD.
Multimedia component 1303 may include screen and audio component.Wherein screen for example can be touch screen, audio group
Part is used for output and/or input audio signal.For example, audio component may include a microphone, microphone is outer for receiving
Portion's audio signal.The received audio signal can be further stored in memory 1302 or be sent out by communication component 1305
It send.Audio component further includes at least one loudspeaker, is used for output audio signal.I/O interface 1304 is processor 1301 and its
Interface is provided between his interface module, other above-mentioned interface modules can be keyboard, mouse, button etc..These buttons can be
Virtual push button or entity button.Communication component 1305 is wired or wireless logical for carrying out between the device 1300 and other equipment
Letter.Wireless communication, such as Wi-Fi, bluetooth, near-field communication (Near Field Communication, abbreviation NFC), 2G, 3G or
4G or they one or more of combination, therefore the corresponding communication component 1305 may include: Wi-Fi module, bluetooth
Module, NFC module.
In one exemplary embodiment, device 1300 can be by one or more application specific integrated circuit
(Application Specific Integrated Circuit, abbreviation ASIC), digital signal processor (Digital
Signal Processor, abbreviation DSP), digital signal processing appts (Digital Signal Processing Device,
Abbreviation DSPD), programmable logic device (Programmable Logic Device, abbreviation PLD), field programmable gate array
(Field Programmable Gate Array, abbreviation FPGA), controller, microcontroller, microprocessor or other electronics member
Part is realized, for executing above-mentioned method for acquiring traffic information.
In a further exemplary embodiment, a kind of computer program product, the computer program product packet are additionally provided
Containing the computer program that can be executed by programmable device, the computer program has to work as to be held by the programmable device
For executing the code section of above-mentioned method for acquiring traffic information when row.
In a further exemplary embodiment, a kind of non-transitory computer-readable storage medium including instruction is additionally provided
Matter, the memory 1302 for example including instruction, above-metioned instruction can be executed above-mentioned to complete by the processor 1301 of device 1300
Method for acquiring traffic information.Illustratively, which can be ROM, random access memory
(Random Access Memory, abbreviation RAM), CD-ROM, tape, floppy disk and optical data storage devices etc..
Any process described otherwise above or method description can be by flow chart or in embodiment of the disclosure
It is interpreted as, expression includes the steps that one or more codes for realizing specific logical function or the executable instruction of process
Module, segment or part, and the range of disclosure embodiment includes other realization, wherein can not by shown or
The sequence of discussion, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this is answered
By embodiment of the disclosure, the technical personnel in the technical field understand.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (11)
1. a kind of method for acquiring traffic information characterized by comprising
Receive the track data that the target vehicle at a distance from targeted cache highway-entrance within a preset range is sent；
According to the track data and freeway network data, the prevailing state of the targeted cache highway-entrance is obtained；
Wherein, according to the track data and freeway network data, the passage shape of the targeted cache highway-entrance is determined
The step of state includes:
From the freeway network data, the coordinate of the charge station of the targeted cache highway-entrance is obtained；
From the freeway network data, the seat at nearest Xrds crossing at a distance from charge station connection is obtained
Mark；
Obtain the linear distance of the charge station and the Xrds crossing；
It obtains in the target vehicle, the track data in preset time period is using the linear distance as radius, the charge
It stands as the first vehicle set in first range in the center of circle；
According to the vehicle number in the first vehicle set, the prevailing state of the targeted cache highway-entrance is determined；Alternatively,
According to the track data and freeway network data, the step of the prevailing state of the targeted cache highway-entrance is determined
Suddenly include:
According to the road line feature of the ring road of the targeted cache highway-entrance in the freeway network data and institute
The track data for stating vehicle determines the current vehicle flow on the ring road of the targeted cache highway-entrance；
Prevailing state by the current vehicle flow and the targeted cache highway-entrance with the period is history vehicle when opening
Flow is compared, with the prevailing state of the determination targeted cache highway-entrance.
2. the method according to claim 1, wherein being determined according to the vehicle number in the first vehicle set
The step of prevailing state of the targeted cache highway-entrance includes:
If the vehicle fleet size of the first vehicle set is greater than the first preset quantity, according to the vehicle in the first vehicle set
Track data obtain the travel speed of the vehicle in the first vehicle set；
If the travel speed of the vehicle in the first vehicle set is below the first pre-set velocity, it is determined that the targeted cache
The prevailing state of highway-entrance is that closed probability is the first probability.
3. the method according to claim 1, wherein being determined according to the vehicle number in the first vehicle set
The step of prevailing state of the targeted cache highway-entrance includes:
If the vehicle fleet size in the first vehicle set obtains in the target vehicle less than the first preset quantity, described
For track data in preset time period using pre-determined distance as radius, the charge station is the second vehicle in second range in the center of circle
Set；
According to the directional information in the track data of the vehicle in the second vehicle set, obtaining direction of traffic is to enter high speed
The third vehicle set of highway；
If vehicle number in the third vehicle set is less than preset threshold, it is determined that the highway is that closed probability is the
Two probability；
If the vehicle number in the third vehicle set is greater than the preset threshold, according to the vehicle in the third vehicle set
Track data, determine the travel speed of the vehicle in the third vehicle set；
If the travel speed of the vehicle in the third vehicle set is below the second pre-set velocity, it is determined that the targeted cache
The prevailing state of highway-entrance is that closed probability is third probability；
If the vehicle number that the travel speed of the vehicle in the third vehicle set is higher than second pre-set velocity is greater than second
Preset quantity, it is determined that the prevailing state of expressway access is that closed probability is the 4th probability.
4. the method according to claim 1, wherein according to the track data and freeway network data,
The step of determining the prevailing state of the targeted cache highway-entrance includes: to obtain institute from the freeway network data
State the coordinate of the charge station of targeted cache highway-entrance；From the freeway network data, obtains and connect with the charge station
The coordinate at the nearest Xrds crossing of the distance connect；Obtain the linear distance of the charge station and the Xrds crossing；It obtains
In the target vehicle, for the track data in preset time period using the linear distance as radius, the charge station is the center of circle
The first range in the first vehicle set；According to the vehicle number in the first vehicle set, determine that the targeted cache is public
The prevailing state of road entrance, the method also includes:
Obtain the vehicle status data of the vehicle in the first vehicle set, the vehicle status data include at least it is following its
One of: fog lamp open state and rain brush open state；
According to the vehicle status data of the vehicle number in the first vehicle set and the vehicle in the first vehicle set,
Determine the prevailing state of the targeted cache highway-entrance.
5. method according to claim 1-4, which is characterized in that the method also includes:
The prevailing state of the targeted cache highway-entrance is sent to the destination being configured.
6. a kind of traffic information acquisition device characterized by comprising
Receiving module is configured as receiving what the target vehicle at a distance from targeted cache highway-entrance within a preset range was sent
Track data；
Prevailing state determining module is configured as obtaining the target according to the track data and freeway network data
The prevailing state of expressway access；
Wherein, the prevailing state determining module includes:
First acquisition submodule is configured as from the freeway network data, obtains the targeted cache highway-entrance
Charge station coordinate；
Second acquisition submodule is configured as from the freeway network data, obtain connect with the charge station away from
Coordinate from nearest Xrds crossing；
Third acquisition submodule is configured as obtaining the linear distance of the charge station and the Xrds crossing；
First vehicle set acquisition submodule, is configured as obtaining in the target vehicle, the track data in preset time period
Using the linear distance as radius, the charge station is the first vehicle set in first range in the center of circle；
First determines submodule, is configured as determining that the targeted cache is public according to the vehicle number in the first vehicle set
The prevailing state of road entrance；Alternatively,
The prevailing state determining module includes:
Ring road vehicle flowrate acquisition submodule is configured as according to the targeted cache highway in the freeway network data
The road line feature of the ring road of entrance and the track data of the vehicle, on the ring road for determining the targeted cache highway-entrance
Current vehicle flow；
Second determines submodule, is configured as the logical of the current vehicle flow and the targeted cache highway-entrance with the period
Row state is that history vehicle flowrate when opening is compared, with the prevailing state of the determination targeted cache highway-entrance.
7. device according to claim 6, which is characterized in that described first determines that submodule includes:
First travel speed acquisition submodule, if the vehicle fleet size for being configured as the first vehicle set is greater than the first present count
Amount, then obtain the traveling of the vehicle in the first vehicle set according to the track data of the vehicle in the first vehicle set
Speed；
First determine the probability submodule, if the travel speed for the vehicle being configured as in the first vehicle set is below first
Pre-set velocity, it is determined that the prevailing state of the targeted cache highway-entrance is that closed probability is the first probability.
8. device according to claim 6, which is characterized in that described first determines that submodule includes:
Second vehicle set acquisition submodule, if the vehicle fleet size being configured as in the first vehicle set is default less than first
Quantity then obtains in the target vehicle, and the track data in the preset time period is using pre-determined distance as radius, the receipts
The second vehicle set in second range in the center of circle Fei Zhanwei；
Third vehicle set acquisition submodule is configured as in the track data according to the vehicle in the second vehicle set
Directional information, obtaining direction of traffic is the third vehicle set into highway；
Second determine the probability submodule, if the vehicle number being configured as in the third vehicle set is less than preset threshold, really
It is the second probability that the fixed highway, which is closed probability,；
Second travel speed acquisition submodule, if the vehicle number being configured as in the third vehicle set is greater than the default threshold
Value, then according to the track data of the vehicle in the third vehicle set, determine the row of the vehicle in the third vehicle set
Sail speed；
Third determine the probability submodule, if the travel speed for the vehicle being configured as in the third vehicle set is below second
Pre-set velocity, it is determined that the prevailing state of the targeted cache highway-entrance is that closed probability is third probability；
4th determine the probability submodule, if the travel speed for the vehicle being configured as in the third vehicle set is higher than described the
The vehicle number of two pre-set velocities is greater than the second preset quantity, it is determined that the prevailing state of expressway access is that closed probability is
4th probability.
9. device according to claim 6, which is characterized in that the prevailing state determining module includes: the first acquisition
Module is configured as from the freeway network data, obtains the coordinate of the charge station of the targeted cache highway-entrance；
Second acquisition submodule is configured as from the freeway network data, is obtained at a distance from charge station connection most
The coordinate at close Xrds crossing；Third acquisition submodule is configured as obtaining the charge station and the Xrds crossing
Linear distance；First vehicle set acquisition submodule, is configured as obtaining in the target vehicle, the track in preset time period
For data using the linear distance as radius, the charge station is the first vehicle set in first range in the center of circle；First really
Stator modules are configured as determining the logical of the targeted cache highway-entrance according to the vehicle number in the first vehicle set
Row state, described device further include:
Vehicle status data obtains module, is configured as obtaining the vehicle status data of the vehicle in the first vehicle set,
The vehicle status data includes at least one of: fog lamp open state and rain brush open state；
Described first determines submodule, is configured as according to the vehicle number and first vehicle in the first vehicle set
The vehicle status data of vehicle in set determines the prevailing state of the targeted cache highway-entrance.
10. according to any one of claim 6-9 described device, which is characterized in that described device further include:
Sending module is configured as the prevailing state of the targeted cache highway-entrance being sent to the destination being configured.
11. a kind of traffic information acquisition device characterized by comprising
Processor；
Memory for storage processor executable instruction；
Wherein, the processor is configured as receiving the target carriage at a distance from targeted cache highway-entrance within a preset range
Send track data；According to the track data and freeway network data, the targeted cache highway-entrance is obtained
Prevailing state；
Wherein, according to the track data and freeway network data, the passage shape of the targeted cache highway-entrance is determined
The step of state includes:
From the freeway network data, the coordinate of the charge station of the targeted cache highway-entrance is obtained；
From the freeway network data, the seat at nearest Xrds crossing at a distance from charge station connection is obtained
Mark；
Obtain the linear distance of the charge station and the Xrds crossing；
It obtains in the target vehicle, the track data in preset time period is using the linear distance as radius, the charge
It stands as the first vehicle set in first range in the center of circle；
According to the vehicle number in the first vehicle set, the prevailing state of the targeted cache highway-entrance is determined；Alternatively,
According to the track data and freeway network data, the step of the prevailing state of the targeted cache highway-entrance is determined
Suddenly include:
According to the road line feature of the ring road of the targeted cache highway-entrance in the freeway network data and institute
The track data for stating vehicle determines the current vehicle flow on the ring road of the targeted cache highway-entrance；
Prevailing state by the current vehicle flow and the targeted cache highway-entrance with the period is history vehicle when opening
Flow is compared, with the prevailing state of the determination targeted cache highway-entrance.
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| CN201710170680.5A CN106710276B (en) | 2017-03-21 | 2017-03-21 | Method for acquiring traffic information and device |
| PCT/CN2018/072877 WO2018171314A1 (en) | 2017-03-21 | 2018-01-16 | Method and device for acquiring transportation information |
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| CN201710170680.5A CN106710276B (en) | 2017-03-21 | 2017-03-21 | Method for acquiring traffic information and device |
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| CN106710276B (en) * | 2017-03-21 | 2019-04-26 | 北京汽车集团有限公司 | Method for acquiring traffic information and device |
| CN107403474A (en) * | 2017-07-26 | 2017-11-28 | 广东兴达顺科技有限公司 | One kind charge processing method and smart machine |
| CN108437795B (en) * | 2018-03-28 | 2020-04-21 | 吉利汽车研究院（宁波）有限公司 | Method and device for outputting speed limit value |
| CN111613049B (en) * | 2019-02-26 | 2022-07-12 | 北京嘀嘀无限科技发展有限公司 | Road state monitoring method and device |
| CN111858800B (en) * | 2020-06-29 | 2024-03-26 | 北京百度网讯科技有限公司 | Method, device, equipment and computer storage medium for determining gate passing state |
| CN112861706A (en) * | 2021-02-04 | 2021-05-28 | 北京百度网讯科技有限公司 | Road state monitoring method, device, equipment and storage medium |
| CN114139850A (en) * | 2021-10-19 | 2022-03-04 | 阿里巴巴新加坡控股有限公司 | Method for issuing toll station state, electronic device and computer program product |
| CN114463970B (en) * | 2022-01-11 | 2023-03-31 | 北京中交兴路信息科技有限公司 | Method, device and equipment for automatically detecting bayonet closure and storage medium |
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| CN106370196A (en) * | 2016-08-26 | 2017-02-01 | 山东高速信息工程有限公司 | Path leading method and device and intelligent terminal |
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| US7092815B2 (en) * | 2003-12-17 | 2006-08-15 | Vrbia, Inc. | Traffic control systems for vehicle spacing to dissipate traffic gridlock |
| CN101299298A (en) * | 2008-06-30 | 2008-11-05 | 上海电科智能***股份有限公司 | Road self-adapting entrance ramp afflux control equipment and method |
| CN103854504A (en) * | 2014-03-05 | 2014-06-11 | 安锐 | Square matrix type road traffic inducing method and system |
| CN104575050A (en) * | 2015-01-14 | 2015-04-29 | 合肥革绿信息科技有限公司 | Express way ramp intelligent inducing method and device based on floating vehicles |
| CN106370196A (en) * | 2016-08-26 | 2017-02-01 | 山东高速信息工程有限公司 | Path leading method and device and intelligent terminal |
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| WO2018171314A1 (en) | 2018-09-27 |
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