CN105225496A - Road traffic early warning system - Google Patents
Road traffic early warning system Download PDFInfo
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- CN105225496A CN105225496A CN201510556274.3A CN201510556274A CN105225496A CN 105225496 A CN105225496 A CN 105225496A CN 201510556274 A CN201510556274 A CN 201510556274A CN 105225496 A CN105225496 A CN 105225496A
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Abstract
The invention provides a kind of road traffic early warning system, comprising: at least one runway presetting each section, bury at least one group of conductive coil respectively underground; The data acquisition unit be connected with each group of described conductive coil on every bar runway, the current signal for providing according to each described conductive coil group generates the traffic data of described runway; The traffic prewarning center communicated with described data acquisition unit, for the analysis of the traffic data of the runway based on received each section, determines the traffic congestion of respective stretch, and is supplied to driver.The present invention utilizes conductive coil to gather traffic data, and pass to traffic prewarning center, effectively can reduce the bandwidth shared by video data transmission, owing to directly providing traffic data, therefore eliminate the process of video image being carried out to traffic data extraction, enormously simplify the data processing amount of warning center.
Description
Technical field
The present invention relates to transportation network field, particularly relate to a kind of road traffic early warning system.
Background technology
Current transportation network adopts and arranges camera head to gather section image or section video in section, crossing, and the real-time centring system returning to transportation network.Carry out graphical analysis by this centring system, and extract the traffic data in section, and then traffic data is analyzed, to provide real-time traffic.Above-mentioned transportation network needs the ad hoc video delivery network with broadband, and configuration can process the server cluster of great amount of images data in real time.So the resource shared by transportation network is very big.
This makes the resource distribution of transportation network more and more difficult.Therefore, need to improve prior art.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of road traffic early warning system, for solve video data in prior art transmission shared by the excessive and problem of the calculation of complex of video data of bandwidth.
For achieving the above object and other relevant objects, the invention provides a kind of road traffic early warning system, comprising: at least one runway presetting each section, bury at least one group of conductive coil respectively underground; The data acquisition unit be connected with each group of described conductive coil on every bar runway, the current signal for providing according to each described conductive coil group generates the traffic data of described runway; The traffic prewarning center communicated with described data acquisition unit, for the analysis of the traffic data of the runway based on received each section, determines the traffic congestion of respective stretch, and is supplied to driver.
Preferably, described in one group, the number of turn of conductive coil is multiturn.
Preferably, conductive coil described in a group is the coil matrix in units of the conductive coil of multiturn.
Preferably, the described conductive coil of this group is all embedded on described runway; And/or the described conductive coil of this group erects the height of car allowed on described runway and higher than described runway.
Preferably, the width of the conductive coil group that described runway is buried underground is not more than 1.8m, and length is between [1.8m, 21m].
Preferably, described conductive coil group covers fluid sealant.
Preferably, the described conductive coil of each group connects described data acquisition unit by hub.
Preferably, described traffic data comprises following at least one: the movement velocity of motor vehicles, travel direction, Vehicle length.
Preferably, described traffic prewarning center is used for the analysis when the traffic data according to many runways preset in section, when determining a wherein runway blocking, sends to driver the early warning information that described section is about to block up.
As mentioned above, road traffic early warning system of the present invention, there is following beneficial effect: utilize conductive coil to gather traffic data, and pass to traffic prewarning center, effectively can reduce the bandwidth shared by video data transmission, owing to directly providing traffic data, therefore eliminate the process of video image being carried out to traffic data extraction, enormously simplify the data processing amount of warning center; In addition, multiturn conductive coil is adopted can to improve the sensitivity of induction current change; According to the different situations of each runway, corresponding conductive coil is set, traffic data can be gathered targetedly, to transfer to traffic prewarning center analysis; Because the present invention can get the traffic data of each runway, the traffic data that old friend leads to each runway that warning center can comprise according to section is analyzed, can Accurate Prediction congested link before blocking up, and be supplied to driver, to evacuate vehicle in advance, the predictable of effective solving road is blocked up.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of road traffic early warning system of the present invention.
Fig. 2 is shown as the structural representation of a kind of embodiment of conductive coil in road traffic early warning system of the present invention.
Fig. 3 is shown as the structural representation of another embodiment of conductive coil in road traffic early warning system of the present invention.
Fig. 4 is shown as the structural representation of another embodiment of conductive coil in road traffic early warning system of the present invention.
Fig. 5 is shown as the structural representation of another embodiment of conductive coil in road traffic early warning system of the present invention.
Fig. 6 is shown as the structural representation of a kind of preferred implementation of road traffic early warning system of the present invention.
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this instructions can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this instructions also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Refer to Fig. 1.The invention provides a kind of road traffic early warning system.The traffic prewarning center 13 that described early warning system comprises at least one group of conductive coil 11, the data acquisition unit 12 be connected with conductive coil and is connected with described data acquisition unit.
Wherein, at least one runway in the multiple sections of workmen in transportation network (mostly being section, crossing) is arranged at least one group of conductive coil 11 and data acquisition unit 12 to gather traffic data, and be aggregated into traffic prewarning center 13.The traffic data that described traffic prewarning center 13 can report according to each runway carries out real-time analysis, to obtain Current traffic road conditions.Wherein, traffic prewarning center 13 of telling includes but not limited to: centralized server cluster, distributed server cluster etc.
Particularly, workmen according to the shape of described conductive coil group, the groove (not giving diagram) that can construct parallel to the ground on runway, and described conductive coil group is all imbedded in described groove.Such as, as shown in Figure 2, described conductive coil group 11 is the rectangle of 1.8*1.8m, then workmen opens the groove of an accommodation 1.8*1.8m on runway, and described conductive coil group 11 is all embedded in described groove.
Or, workmen's groove that only construction matches with an edge lengths of conductive coil group 11 on runway, and by described conductive coil group 11 being laid in described groove perpendicular to ground.Wherein, the height of car that the height of the conductive coil group 11 erected allows higher than described runway.Such as, as shown in Figure 3, described conductive coil group 11 is the rectangle of 1.8*21m, then workmen opens the groove that a length is 1.8m on runway, and the limit of the 1.8m of described conductive coil group 11 is embedded in described groove, described conductive coil group 11 is erected on described runway.
At this, the number of turn of the described conductive coil 11 of this group is multiturn.Conductive coil 11 described in one group is the coil matrix in units of the conductive coil of multiturn.Such as, described in one group, conductive coil 11 is the coil matrix of 10*10, and wherein, the number of turn of each coil is 2.
On a runway, workmen only can lay one group of conductive coil 11, also can lay many group conductive coils 11, as shown in Figure 4,5.When laying one group of conductive coil 11, the length of this group conductive coil 11 can between 12m-21m.When laying many group conductive coils 11, the length of this group conductive coil 11 can between 1.8-12m.Wherein, the width of conductive coil group 11 also can be less than or equal to 1.8m.
More preferably, described conductive coil group 11 covers fluid sealant.
During when vehicle is close, through described conductive coil group 11, affect by the conductor material in vehicle, the induction current in described conductive coil group 11 changes according to the factor such as speed, vehicle commander of vehicle.The data acquisition unit 12 forming loop with described conductive coil group 11 gathers these curent changes, and generates the traffic data of described runway according to the current signal that each described conductive coil group 11 provides.
Particularly, described data acquisition unit 12 is connected by twisted-pair feeder with the described conductive coil 11 of each group on every bar runway.Said data acquisition unit 12 can obtain the traffic data on every bar runway.Wherein, described traffic data includes but not limited to following at least one: the movement velocity, travel direction, Vehicle length etc. of motor vehicles.Described data acquisition unit can be real-time or timing gathered traffic data is sent to traffic prewarning center 13.
At this, according to faradic change, described data acquisition unit 12 determines that the mode of traffic data includes but not limited to: after the amplification to received current signal, rectification, carry out digitizing and input single-chip microcomputer or comprise the chip of CPU, according to the detection algorithm preset, the frequency, amplitude etc. of digitized current signal are analyzed, and obtains described traffic data.
The current signal that described data acquisition unit 12 can provide according to the conductive coil of every bar runway calculates the traffic data in corresponding line track, also can calculate the traffic data of respective stretch according to the current signal of the conductive coil of connected each runway.
Also communication unit is comprised, for communicating with traffic prewarning center 13 in described data acquisition unit 12.Wherein, described communication unit includes but not limited to: wired network adapter, wireless network card, intelligent acess device etc.
Described traffic prewarning center 13 is connected with the data acquisition unit 12 in each section, for the analysis of the traffic data of the runway based on received each section, determines the traffic congestion of respective stretch, and is supplied to driver.
Particularly, the traffic data in obtained each runway and/or each section is sent to traffic prewarning center 13 by described data acquisition unit 12.Statistical study is carried out to collected each traffic data in described traffic prewarning center 13, and determine each section traffic congestion (as drive a vehicle smooth and easy, driving slowly, block up), and be supplied to the driver of driving by broadcast, Traffic Net display system and the various channel such as display board that is arranged on each section.
Preferably, described traffic prewarning center 13, for the analysis when the traffic data according to many runways preset in section, when determining a wherein runway blocking, sends to driver the early warning information that described section is about to block up.
Such as, when there is traffic hazard in a certain runway A1, the traffic data of the section A that the traffic data of runway A1, A2 and A3 that described traffic prewarning center 13 is gathered by the corresponding data acquisition unit 12 of analysis and runway A1, A2 and A3 are formed, determines that runway A1 blocks up, runway A2 drives a vehicle slowly, runway A3 drives a vehicle smooth and easy.Described traffic prewarning center 13 according to the warning algorithm preset, can determine that described section A meets the early-warning conditions being about to block up, therefore issues to driver the early warning information that section A is about to block up by above-mentioned channel.The driver so do not travelled to this section A can know this early warning information in advance.
For the description of each ingredient of described road traffic early warning system, its structure example is as follows:
As shown in Figure 6, each runway near crossing buries one group of conductive coil 11 underground, respectively organize conductive coil 11 by twisted pair line connection on hub 14, then be connected to data acquisition unit 12 by hub 14 according to preset interface.The data acquisition unit 12 being distributed in each crossing is connected by cable network (as telephone line network) with traffic prewarning center 13.
Described traffic prewarning center 13 receives the traffic data from each data acquisition unit 12, analyzes the traffic congestion situation at each crossing, and issues in time, even can carry out Congestion prediction.
In sum, road traffic early warning system of the present invention, conductive coil is utilized to gather traffic data, and pass to traffic prewarning center, effectively can reduce the bandwidth shared by video data transmission, owing to directly providing traffic data, therefore eliminate the process of video image being carried out to traffic data extraction, enormously simplify the data processing amount of warning center; In addition, multiturn conductive coil is adopted can to improve the sensitivity of induction current change; According to the different situations of each runway, corresponding conductive coil is set, traffic data can be gathered targetedly, to transfer to traffic prewarning center analysis; Because the present invention can get the traffic data of each runway, the traffic data that old friend leads to each runway that warning center can comprise according to section is analyzed, can Accurate Prediction congested link before blocking up, and be supplied to driver, to evacuate vehicle in advance, the predictable of effective solving road is blocked up.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (9)
1. a road traffic early warning system, is characterized in that, comprising:
On at least one runway presetting each section, bury at least one group of conductive coil respectively underground;
The data acquisition unit be connected with each group of described conductive coil on every bar runway, the current signal for providing according to each described conductive coil group generates the traffic data of described runway;
The traffic prewarning center communicated with described data acquisition unit, for the analysis of the traffic data of the runway based on received each section, determines the traffic congestion of respective stretch, and is supplied to driver.
2. road traffic early warning system according to claim 1, is characterized in that, described in one group, the number of turn of conductive coil is multiturn.
3. road traffic early warning system according to claim 1, is characterized in that, conductive coil described in a group is the coil matrix in units of the conductive coil of multiturn.
4., according to described road traffic early warning system arbitrary in claim 1 to 2, it is characterized in that, the described conductive coil of this group is all embedded on described runway; And/or the described conductive coil of this group erects the height of car allowed on described runway and higher than described runway.
5. road traffic early warning system according to claim 1, is characterized in that, the width of the conductive coil group that described runway is buried underground is not more than 1.8m, and length is between [1.8m, 21m].
6. road traffic early warning system according to claim 1, is characterized in that, described conductive coil group covers fluid sealant.
7. road traffic early warning system according to claim 1, is characterized in that, the described conductive coil of each group connects described data acquisition unit by hub.
8. road traffic early warning system according to claim 1, is characterized in that, described traffic data comprises following at least one: the movement velocity of motor vehicles, travel direction, Vehicle length.
9. road traffic early warning system according to claim 1, it is characterized in that, described traffic prewarning center is used for the analysis when the traffic data according to many runways preset in section, when determining a wherein runway blocking, sends to driver the early warning information that described section is about to block up.
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| CN201510556274.3A CN105225496A (en) | 2015-09-02 | 2015-09-02 | Road traffic early warning system |
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| CN201510556274.3A CN105225496A (en) | 2015-09-02 | 2015-09-02 | Road traffic early warning system |
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| CN106128102A (en) * | 2016-06-29 | 2016-11-16 | 肖锐 | A kind of traffic jam prior-warning device |
| CN108053656A (en) * | 2017-11-19 | 2018-05-18 | 昆明创培知识产权服务有限公司 | A kind of detection method of urban road traffic flow |
| WO2021031172A1 (en) * | 2019-08-20 | 2021-02-25 | 江苏金晓电子信息股份有限公司 | Method for generating traffic early-warning guidance information |
| CN113048982A (en) * | 2021-03-23 | 2021-06-29 | 北京嘀嘀无限科技发展有限公司 | Interaction method and interaction device |
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