CN203134129U - Traffic light intelligent control system - Google Patents
Traffic light intelligent control system Download PDFInfo
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- CN203134129U CN203134129U CN 201320077300 CN201320077300U CN203134129U CN 203134129 U CN203134129 U CN 203134129U CN 201320077300 CN201320077300 CN 201320077300 CN 201320077300 U CN201320077300 U CN 201320077300U CN 203134129 U CN203134129 U CN 203134129U
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Abstract
The utility model provides a traffic light intelligent control system including vehicle recognizing devices and a traffic light control device. The vehicle recognizing devices are installed in different directions of an intersection and are connected with the traffic light control device. The vehicle recognizing devices collect vehicle information in all the directions of the intersection and report the collected vehicle information and location information of the vehicle recognizing devices to the traffic light control device together. The traffic light control device calculates vehicle flow in all the directions of the intersection according to the received vehicle information and location information and controls the operation of traffic lights in all the directions of the intersection. By adopting the traffic light intelligent control system provided by the utility model, road capacity can be improved and traffic jam can be relieved.
Description
Technical field
The utility model belongs to the intelligent traffic administration system technical field, relates in particular to a kind of intelligent control system of traffic light.
Background technology
Along with China's rapid economy development, private car has the increasing of quantity, road is crowded, latch up phenomenon is more and more serious, especially at the nucleus in some cities, because original urban construction and geographical conditions limitation and restriction, highway can't effectively expand, therefore can only be by improving crowded, the blocking problem of existing highway bus capacity solution road.
The intersection of much being controlled traffic by traffic lights is arranged in the city at present, in these intersections, the control sequential of traffic lights is controlled at times according to vehicle flowrate often, but this vehicle flowrate is judged according to artificial experience, can't carry out the dynamic control of traffic lights for the vehicle flowrate of dynamic change, thereby produce certain direction vehicle flowrate and hour still take long green light transit time, not enough and the situation crowded and that stop up of the big other direction transit time of vehicle flowrate, therefore if can dynamically control traffic lights in real time according to dynamic vehicle flowrate, it is short to reach vehicle flowrate hour green time, green time was long when vehicle flowrate was big, extremely is conducive to improve road passage capability, alleviates the congestion in road phenomenon.
The utility model content
In view of this, the utility model provides intelligent control system of traffic light.Can improve road passage capability, alleviate the congestion in road phenomenon.
A kind of intelligent control system of traffic light that the utility model provides comprises: vehicle identifier and traffic-light control device, and described vehicle identifier has a plurality of, is installed in respectively on all directions of intersection and with described traffic-light control device to be connected; Described vehicle identifier is gathered the information of vehicles on all directions of intersection, and the information of vehicles that collects and the positional information of described vehicle identifier reported described traffic-light control device together, described traffic-light control device is according to the information of vehicles and the positional information that receive, calculate the vehicle flowrate on all directions of intersection, and the operation of the traffic lights on all directions of control intersection.
Further, described vehicle identifier comprises: radio-frequency identification card RFID card reader, first coding circuit, first central processing unit and first telecommunication circuit, described first central processing unit respectively with described RFID card reader, first coding circuit is connected with first telecommunication circuit, the identification information of described RFID card reader collection vehicle under the driving of described first central processing unit, described first central processing unit reports to described traffic-light control device with the position encoded information of the described vehicle identifier that identification information and described first coding circuit of the vehicle of described RFID card reader collection are stored by first telecommunication circuit.
Further, described first telecommunication circuit comprises: first serial circuit or a Zigbee radio communication circuit.
Further, described traffic-light control device comprises: second communication circuit, second central processing unit and control output circuit, described second central processing unit are connected with the control output circuit with described second communication circuit respectively; Described second communication circuit receives from the identification information of the vehicle of described vehicle identifier and the position encoded information of described vehicle identifier, described second central processing unit is according to the identification information of the vehicle of described second communication circuit reception and the position encoded information of described vehicle identifier, calculate the vehicle flowrate on all directions of intersection, and according to the vehicle flowrate on all directions of intersection, generate the traffic lights control information, described control output circuit is according to the operation of described traffic lights control information control traffic lights.
Further, described second communication circuit comprises: second serial circuit or the 2nd Zigbee radio communication circuit.
Further, described traffic-light control device also comprises: equal second coding circuit and 3G/GPRS telecommunication circuits that is connected with described second central processing unit, and described intelligent control system of traffic light also comprises: traffic control center; The position encoded information at the described second coding circuit store interleaving crossing, described 3G/GPRS telecommunication circuit and described traffic control center connect, and the position encoded information of information of vehicle flowrate, traffic lights control information and the intersection of described intersection is reported to traffic control center together.
Further, described traffic control center comprises: database server, WEB server and client side, described WEB server is connected respectively with described traffic-light control device, database server and client.
The beneficial effects of the utility model:
By at intersection mounting vehicle recognition device, gather real-time vehicle information, the information of vehicles of being gathered according to vehicle identifier by traffic-light control device calculates current vehicle flowrate then, control the operation of traffic lights then according to current vehicle flowrate, therefore realized the dynamic control of traffic lights, be conducive to improve road passage capability, alleviate the congestion in road phenomenon.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the structural representation of the embodiment of the intelligent control system of traffic light that provides of the utility model.
Fig. 2 is the structural representation of the embodiment of the vehicle identifier among Fig. 1.
Fig. 3 is the structural representation of the embodiment of the traffic-light control device among Fig. 1.
Fig. 4 is the structural representation of the embodiment of the traffic control center among Fig. 1.
Embodiment
Please refer to Fig. 1, is the structural representation of the embodiment of the intelligent control system of traffic light that provides of the utility model.This intelligent control system of traffic light comprises: vehicle identifier 1, traffic-light control device 2 and traffic control center 3.
As shown in the figure, vehicle identifier 1 has a plurality of, is installed in respectively on all directions of intersection, is specifically as follows along the track to install, and is used for gathering the information of vehicles of different directions.Traffic-light control device 2 is connected respectively with each vehicle identifier 1, and connected mode can adopt wired mode or wireless mode.Preferably, pass through the wireless communication technology of Zigbee(short distance, low-power consumption between vehicle identifier 1 and the traffic-light control device 2) technique construction MANET network, realize connecting.Can adopt mobile communications network to be connected between traffic control center 3 and the traffic-light control device 2, to make things convenient for traffic control center 3 to grasp the vehicle flowrate situation of each traffic-light control device 2 intersection of living in real time, and it is convenient when carrying out traffic control, send traffic lights control message by traffic control center 3 to traffic-light control device 2, etc.
Particularly, above-mentioned intelligent control system of traffic light is when work, the information of vehicles that vehicle identifier 1 is gathered on all directions of intersection, and the information of vehicles that collects and the positional information of vehicle identifier 1 reported traffic-light control device 2 together, traffic-light control device 2 is according to the information of vehicles and the positional information that receive, calculate the vehicle flowrate on all directions of intersection, dynamically control the operation of the traffic lights on all directions of intersection then according to vehicle flowrate, the track of general vehicle flowrate, it is long to control the time that its corresponding green light lights, the time weak point that its corresponding green light lights is controlled in the track that vehicle flowrate is little, to reach optimized traffic lights control effect.Further, traffic-light control device 2 can also be with above-mentioned information of vehicle flowrate, and the control information of traffic lights etc. reports to traffic control center 3, with convenient monitoring.
Present embodiment has been realized the dynamic control of traffic lights by the cooperation of vehicle identifier 1 and traffic-light control device 2, so the operation of traffic lights can have been controlled at preferable state, to reach the raising road passage capability, alleviates the purpose of congestion in road.
Please refer to Fig. 2, is the structural representation of the embodiment of the vehicle identifier 1 that provides of the utility model.This vehicle identifier 1 comprises: RFID(Radio Frequency Identification, radio-frequency (RF) identification) card reader 11, first coding circuit 12, first central processing unit 13 and first telecommunication circuit 14.
Wherein, RFID card reader 11 is launched the radio frequency electromagnetic of enough power in real time to specific lane under the control of first central processing unit 13, provide energy to excite the vehicle electronics label for it, receive the radiofrequency signal of electronic tag simultaneously, obtain the identification information in the electronic tag.Identification information can be unique coding of electronic tag.First coding circuit 12 stores the position encoded information of vehicle identifier 1, and this position encoded information has reflected vehicle identifier lane information of living at least.Preferably, Jiang Dong, south, west, track, north are encoded to (1,2,3,4), then first vehicle identification card reader in eastern track be encoded to 1001, second vehicle identification card reader be encoded to 1002, the west track first vehicle identification card reader be encoded to 3001, second vehicle identification card reader in track, west be encoded to 3002, other similar.After the traffic lights control device receives position encoded information, just can know the particular location of vehicle identifier 1 like this.First central processing unit 13, the position encoded information that is used for the vehicle identifier of the identification information of vehicle that RFID card reader 11 is gathered and 12 storages of first coding circuit reports to traffic-light control device 2 by first telecommunication circuit 14.First telecommunication circuit 14 can be first serial circuit or a Zigbee radio communication circuit.
Please refer to Fig. 3, is the structural representation of the embodiment of the traffic-light control device 2 that provides of the utility model.This traffic-light control device 2 comprises: second communication circuit 21, second central processing unit 22, control output circuit 23, second coding circuit 24 and 3G/GPRS telecommunication circuit 25.
Wherein, second communication circuit 21 can be second serial circuit or the 2nd Zigbee radio communication circuit, be mainly used in connecting with vehicle identifier 1, receive its information of vehicles that collects and its positional information that vehicle identifier 1 reports, pass to central processing unit 22 then.
Please refer to Fig. 4, is the structural representation of the embodiment of the traffic control center 3 that provides of the utility model.This traffic control center 3 mainly comprises: WEB server 31, database server 32 and client 33.Database server 32 is connected with WEB server 31, database server 32 stores the data message of crossroad information, traffic-light control device information, vehicle identifier information, crossroad vehicle traffic and waiting vehicle, for the flow on each crossing bus capacity of the application queries in the WEB server 31 and vehicle peak provides the data support; WEB server 31 connects with database server 32 and client 33, WEB server 31 connects with each traffic-light control device 2 by operator's wireless network simultaneously, realizes controlling message to the transmission of each traffic-light control device 2 by the long-range traffic lights that client 3 is sent; Client 3 is connected with WEB server 2, realizes statistics, inquiry and the service of each crossroad vehicle flow.
Act one example describes with the course of work of intelligent control system of traffic light of the present utility model below.
A vehicle identifier 1 is installed at per ten meters intervals on the track, can solve like this with all stop or the reading at the radio-frequency (RF) identification card information of track vehicle of travelling in about 100 meters scopes on the track, equal mounting vehicle recognition device 1 in a manner described on each track in like manner, vehicle identifier 1 reads the label data (mainly being the identify label of radio-frequency identification card) in the car radio-frequency identification card in real time, simultaneously information and its positional information that reads is uploaded to traffic-light control device 2; Traffic-light control device 2 receives the information that all vehicle identifiers of crossroad report, filter the information of vehicles of repetition simultaneously (in this system, the radio-frequency identification card of same vehicle may be read by adjacent vehicle identifier 1) to obtain crossroad waiting vehicle quantity information, traffic-light control device 2 is according to the information that obtains, control traffic lights sequential, it is short to reach vehicle flowrate hour green time, limit for length during green light when vehicle flowrate is big, to alleviate traffic pressure, improve road passage capability, solve urban transportation and support and blockage problem.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. intelligent control system of traffic light is characterized in that: comprising: vehicle identifier and traffic-light control device, and described vehicle identifier has a plurality of, is installed in respectively on all directions of intersection and with described traffic-light control device to be connected; Described vehicle identifier is gathered the information of vehicles on all directions of intersection, and the information of vehicles that collects and the positional information of described vehicle identifier reported described traffic-light control device together, described traffic-light control device is according to the information of vehicles and the positional information that receive, calculate the vehicle flowrate on all directions of intersection, and the operation of the traffic lights on all directions of control intersection.
2. intelligent control system of traffic light as claimed in claim 1, it is characterized in that: described vehicle identifier comprises: radio-frequency identification card RFID card reader, first coding circuit, first central processing unit and first telecommunication circuit, described first central processing unit respectively with described RFID card reader, first coding circuit is connected with first telecommunication circuit, the identification information of described RFID card reader collection vehicle under the driving of described first central processing unit, described first central processing unit reports to described traffic-light control device with the position encoded information of the described vehicle identifier that identification information and described first coding circuit of the vehicle of described RFID card reader collection are stored by first telecommunication circuit.
3. intelligent control system of traffic light as claimed in claim 2, it is characterized in that: described first telecommunication circuit comprises: first serial circuit or a Zigbee radio communication circuit.
4. intelligent control system of traffic light as claimed in claim 2, it is characterized in that: described traffic-light control device comprises: second communication circuit, second central processing unit and control output circuit, described second central processing unit are connected with the control output circuit with described second communication circuit respectively; Described second communication circuit receives from the identification information of the vehicle of described vehicle identifier and the position encoded information of described vehicle identifier, described second central processing unit is according to the identification information of the vehicle of described second communication circuit reception and the position encoded information of described vehicle identifier, calculate the vehicle flowrate on all directions of intersection, and according to the vehicle flowrate on all directions of intersection, generate the traffic lights control information, described control output circuit is according to the operation of described traffic lights control information control traffic lights.
5. intelligent control system of traffic light as claimed in claim 4, it is characterized in that: described second communication circuit comprises: second serial circuit or the 2nd Zigbee radio communication circuit.
6. intelligent control system of traffic light as claimed in claim 4, it is characterized in that: described traffic-light control device also comprises: equal second coding circuit and 3G/GPRS telecommunication circuits that is connected with described second central processing unit, and described intelligent control system of traffic light also comprises: traffic control center; The position encoded information at the described second coding circuit store interleaving crossing, described 3G/GPRS telecommunication circuit and described traffic control center connect, and the position encoded information of information of vehicle flowrate, traffic lights control information and the intersection of described intersection is reported to traffic control center together.
7. intelligent control system of traffic light as claimed in claim 6, it is characterized in that: described traffic control center comprises: database server, WEB server and client side, described WEB server is connected respectively with described traffic-light control device, database server and client.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320077300 CN203134129U (en) | 2013-02-19 | 2013-02-19 | Traffic light intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320077300 CN203134129U (en) | 2013-02-19 | 2013-02-19 | Traffic light intelligent control system |
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| CN203134129U true CN203134129U (en) | 2013-08-14 |
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| CN 201320077300 Expired - Lifetime CN203134129U (en) | 2013-02-19 | 2013-02-19 | Traffic light intelligent control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303849A (en) * | 2015-09-15 | 2016-02-03 | 上海应用技术学院 | Inductive arterial road coordination control method based on electronic tag |
| CN105390002A (en) * | 2015-12-03 | 2016-03-09 | 韦爱民 | Intelligent traffic light capable of alleviating congestion |
| CN105741568A (en) * | 2016-03-14 | 2016-07-06 | 浙江建林电子电气股份有限公司 | Intelligentized traffic command system and control method thereof |
| CN109191844A (en) * | 2018-09-26 | 2019-01-11 | 北京物宝技术有限公司 | Traffic flow acquisition equipment and traffic control system |
-
2013
- 2013-02-19 CN CN 201320077300 patent/CN203134129U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105303849A (en) * | 2015-09-15 | 2016-02-03 | 上海应用技术学院 | Inductive arterial road coordination control method based on electronic tag |
| CN105390002A (en) * | 2015-12-03 | 2016-03-09 | 韦爱民 | Intelligent traffic light capable of alleviating congestion |
| CN105741568A (en) * | 2016-03-14 | 2016-07-06 | 浙江建林电子电气股份有限公司 | Intelligentized traffic command system and control method thereof |
| CN109191844A (en) * | 2018-09-26 | 2019-01-11 | 北京物宝技术有限公司 | Traffic flow acquisition equipment and traffic control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
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| CX01 | Expiry of patent term |