CN101894474B - High-order infrared traffic management system - Google Patents
High-order infrared traffic management system Download PDFInfo
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- CN101894474B CN101894474B CN201010233054.4A CN201010233054A CN101894474B CN 101894474 B CN101894474 B CN 101894474B CN 201010233054 A CN201010233054 A CN 201010233054A CN 101894474 B CN101894474 B CN 101894474B
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Abstract
The invention discloses a high-order infrared traffic management system, which comprises a central control device, an infrared detection device and a signal indicator lamp, wherein the infrared detection device can monitor the traffic information of a crosswalk waiting area and a crosswalk in real time; and the central control device automatically determines a passing time according to the data of the infrared detection device, and controls the indication state of the signal indicator lamp. Therefore, the high-order infrared traffic management system realizes the automatic, scientific and humanized management of road traffic, reduces police investment in a traffic management process, improves working efficiency, saves the energy consumption of vehicles, and shortens the waiting times of pedestrians and the vehicles to further reliably ensure the secure and smooth running of the traffic.
Description
Technical field
The invention belongs to urban traffic control and administrative skill field, particularly a kind of infrared traffic management system.
Background technology
Along with scientific and technical high speed development, the raising day by day of people's living standard, the quantity of private car is also increasing, and this certainly will bring huge pressure to urban transportation, and a series of means of transportation that now match with urban transportation just play a part very important.Existing highway traffic control system is, in the mode of manual or tdm controller control signal pilot lamp, motor vehicles and pedestrian traffic are implemented to management, and the Functional Design of traditional crossing signal lamp can not meet the growing needs of urban transportation automatization level far away.Traditional crossing signal lamp is to adopt the center microcomputer treatment facility matching with main car lane substantially, this kind of equipment can only be realized according to the size of the different time sections vehicle flowrate of central computer storage system storage the control of signal lamp transit time, therefore the green transit time of signal lamp is all comparatively fixing, be generally 30s, 40s or 50s, once after this transit time is good by program setting, just can not change.Certainly signal lamp can also adopt manual control, is arranged near the transit time of on-off controller crossing by traffic control personnel control, controls pedestrian's right-of-way.
The shortcoming that these traditional crossing control system exist is, the indicated time of timer of signal lamp is artificial or program setting, once people is for after setting, just can not change, therefore no matter be in magnitude of traffic flow peak period or the low ebb phase, can not adapt in real time flow of the people and vehicle flowrate number, easily cause irrational increase stop frequency and down time, so that cause straightgoing vehicle and bogie car that traffic jam occurs because scrambling for roads; If while not having the late into the night pedestrian to pass through crossing, the signal lamp of crossing also still normal circulation work, this has just caused the motor vehicle that passes through crossing even without the vehicle or the walk that intersect, also still need to obey the control commander of traffic lights, cause motor vehicle to wait in current process and consumed in vain fuel, waste the time, be unfavorable for that traffic science management and the environmental protection and energy saving of hommization reduce the whole society requirement of discharging.
Summary of the invention
The technical matters that the present invention solves is to provide a kind of infrared traffic management system that can automatically determine in real time according to the size of vehicle flowrate and flow of the people signal lamp indicating status.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of high-order infrared traffic management system, comprise central controller, signal lamp that be connected with central controller and that be subject to its control, and for detection of near the infra-red ray detection device of transport information crossing, described infra-red ray detection device comprises infrared emitting module, infrared detector, amplifying circuit and infrared receiver module, is wherein installed on fixedly setting up apart from ground certain altitude for the infrared emitting module of launching infrared signal; Infrared detector is used for surveying the transport information in noctovisor scan region, and exports to amplifying circuit after converting transport information to electric signal; Amplifying circuit is exported to central controller after the infrared detector signal receiving is amplified to processing; Infrared receiver module is installed on the respective side of infrared emitting module, for receiving infrared-ray signal, and signal is passed to central controller.
The improvement of infrared emitting module of the present invention is: infrared emitting module comprises two cover infra-red ray transmitting unit of the transport information that is respectively used to scan on crossing and the transport information that scans crossing waiting area.Each infra-red ray transmitting unit comprises noctovisor scan control circuit and noctovisor scan circuit.
The concrete structure of noctovisor scan control circuit of the present invention is: comprise single-chip microcomputer, emitting diode, PNP triode and receiving tube, wherein one end of emitting diode connects power supply by resistance, the other end connects the PNP triode of two series connection, the base stage of PNP triode BG1 and PNP triode BG2 is connected with single-chip microcomputer with resistance R 2 by resistance R 1 respectively, the signal end of receiving tube connects single-chip microcomputer, power end connects power supply by resistance, and passes through capacity earth.Wherein said emitting diode is SE303ANC-C, and receiving tube is PIC-12043.
The concrete structure of noctovisor scan circuit of the present invention is: comprise single-chip microcomputer, NPN triode and infrared light emitting diode, wherein one end of infrared light emitting diode connects power supply, the other end connects the collector of NPN triode by resistance, the direct ground connection of emitter of NPN triode, base stage is connected with single-chip microcomputer by resistance; The reset terminal of single-chip microcomputer connects power supply through electric capacity, resistance grounded, and input end is connected with keyboard interface through pull-up resistor.
The concrete structure of amplifying circuit of the present invention is: comprise single-chip microcomputer, oscillatory circuit and button driver module, traffic signals connect oscillatory circuit through electric capacity, then pass to single-chip microcomputer after the parallel circuit of resistance and diode; Oscillatory circuit comprises crystal oscillator and triode, the base stage of one end connecting triode of crystal oscillator, the direct ground connection in another two ends; The collector of triode connects electric capacity, emitter resistance grounded, and base stage connects single-chip microcomputer through filtering circuit; Button driver module comprises the button that one end ground connection, the other end are connected with single-chip microcomputer by exclusion, and the luminotron being connected with single-chip microcomputer by resistance, luminotron other end ground connection; The output terminal of single-chip microcomputer is connected with luminotron with triode by resistance, and the other end of luminotron is connected with power supply by resistance.
The concrete structure of infrared receiver module of the present invention is: comprise refracting telescope and infrared radiation receiving circuit, described infrared radiation receiving circuit comprises coder-decoder and receiving tube, the power supply of coder-decoder is connected with positive source with switch through resistance, the input end of coder-decoder is connected button S5 and button S6 with diode by resistance, other four input ends connect respectively button S1 to button S4, and the output terminal of coder-decoder is connected with the base stage of triode with resistance through four or two input nand gates; The positive pole of power supply is connected with the collector of triode through switch, resistance, receiving tube successively, the direct ground connection of emitter of triode.
Owing to having adopted above technical scheme, the invention technological progress is:
Infrared ray autoscan pick-up unit of the present invention, form the fan-shaped scanning area of 55 degree at crossing and Accreditation Waiting Area thereof, can Real-Time Monitoring crossing Accreditation Waiting Area and crossing on transport information, and Monitoring Data is transferred to central controller, so that central controller is according to the indicating status of monitoring information real-time control signal pilot lamp, realize the robotization of road traffic, scientific, human-based management, reduce the input of police strength in traffic administration process, improve work efficiency, the energy consumption of vehicle and the stand-by period of Pedestrians and vehicles are saved, thereby Reliable guarantee the safety of traffic, smooth and easy operation.
The power valve adopting in infra-red ray detection device is SE303ANC-C, and wavelength is 940nm, and single-chip microcomputer is according to agreement regulation conducting or end emitting diode, thereby produces transmitting of characteristic frequency; Receiving tube is PIC-12043, and its receive frequency is 37.9kHz, and it is directly demodulated into baseband signal by the modulation signal of 37.9kHz, offers single-chip microcomputer, and these two kinds of chip receiving sensitivities are high, and stable performance can ensure the reliability service of pick-up unit.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is noctovisor scan control circuit figure of the present invention;
Fig. 3 is noctovisor scan circuit diagram of the present invention;
Fig. 4 is amplification circuit diagram of the present invention;
Fig. 5 is infrared receiver module circuit diagram of the present invention.
Wherein: 1. central controller, 2. infra-red ray detection device, 21. infrared emitting modules, 22. infrared receiver modules, 23. infrared detectors, 24. amplifying circuits, 3. signal lamp.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in more detail.
Fig. 1 is a kind of structured flowchart of high-order infrared traffic management system, comprises central controller 1, infra-red ray detection device 2 and signal lamp 3.Infra-red ray detection device 2, for detection of near transport information crossing, mainly comprises infrared emitting module 21, infrared detector 23, amplifying circuit 24 and infrared receiver module 22.
Wherein infrared emitting module 21 comprises two cover infra-red ray transmitting unit, be arranged on respectively crossing signal lamp above for the back side of scanning the transport information on crossing and be arranged on signal lamp for scanning the transport information of crossing waiting area.Every cover infra-red ray transmitting unit comprises again noctovisor scan control circuit and noctovisor scan circuit.
Noctovisor scan control circuit as shown in Figure 2, comprise single-chip microcomputer U1, emitting diode D1, PNP triode BG1, BG2, receiving tube D2, wherein one end of emitting diode D1 connects power supply by resistance R 3, the other end connects the PNP triode of two series connection, the base stage of PNP triode BG1 and PNP triode BG2 is connected with single-chip microcomputer U1 with resistance R 2 by resistance R 1 respectively, the signal end of receiving tube D2 connects single-chip microcomputer U1, and power end connects power supply by resistance R 4, and by capacitor C 1 ground connection.Wherein the model of emitting diode is SE303ANC-C, and receiving tube is PIC-12043.
Noctovisor scan circuit as shown in Figure 3, comprise single-chip microcomputer U2, N PN triode BG3, infrared light emitting diode D3, wherein one end of infrared light emitting diode D3 connects power supply, the other end connects the collector of NPN triode BG3 by resistance R 5, the direct ground connection of emitter of NPN triode BG3, base stage is connected with single-chip microcomputer U2 by resistance R 6; The reset terminal of single-chip microcomputer U2 connects power supply through capacitor C 2, and through resistance R 7 ground connection, input end is connected with keyboard interface through pull-up resistor.
Amplifying circuit as shown in Figure 4, comprise single-chip microcomputer U3, oscillatory circuit and button driver module, signal connects oscillatory circuit through capacitor C 11, after the parallel circuit of resistance R 13 and diode D4, pass to single-chip microcomputer U3 oscillatory circuit again and comprise crystal oscillator Y2 and triode BG11, the base stage of one end connecting triode BG11 of crystal oscillator Y2, the direct ground connection in another two ends; The collector of triode BG11 connects capacitor C 11, and emitter is through resistance R 12 ground connection, base stage contact resistance R3; Button driver module comprises the button S1-S8 that one end ground connection, the other end are connected with single-chip microcomputer U3 by exclusion RP1, and the luminotron DS1 being connected with single-chip microcomputer U3 by resistance R 18, luminotron DS1 other end ground connection; The output terminal of single-chip microcomputer U3 is connected with luminotron DS2 with triode BG12, BG13 by resistance R 13-R16, and the other end of luminotron DS2 is connected with power supply by resistance R 17.
Infrared receiver module comprises refracting telescope and infrared radiation receiving circuit, infrared radiation receiving circuit as shown in Figure 5, comprise coder-decoder IC4 and receiving tube D4, D5, the power supply of coder-decoder IC4 is connected with positive source with switch S 7 through resistance R 10, the input end of coder-decoder IC4 is connected button S5 and button S6 by resistance R 21-R24 with diode V1-V4, other four input ends connect respectively button S1 to button S4, and the output terminal of coder-decoder IC4 is connected with the base stage of triode BG21 with resistance R 8 through four or two input nand gate IC2; The positive pole of power supply is connected with the collector of triode BG21 through switch S 7, resistance R 9, receiving tube D4, D5 successively, the direct ground connection of emitter of triode BG21.
The front and back that is installed on crossing signal lamp for launching the infrared emitting module 21 of infrared signal, the infrared signal of launching can form 55 ° of sector regions; Infrared detector 23 detects the transport information of infrared ray sector region, and exports to amplifying circuit after converting transport information to electric signal, and amplifying circuit is exported to central controller after traffic signals are amplified to processing; The respective side that is installed on infrared emitting module for the infrared receiver module 22 of receiving infrared-ray signal, passes to central controller by the transport information receiving by refracting telescope; Central controller carries out determining of signal lamp transit time in conjunction with the data of amplifying circuit and the transmission of infrared receiver module, and the indicating status of control signal pilot lamp.Determining that the greensignal light of crisscross car lane is lighted automatically, open to traffic do not have personnel current in the situation that; If detected that pedestrian waits for or crossing on have walk, crisscross red led is lighted, no through traffic for vehicle, to ensure the unblocked of pedestrian's safe passing and road.
Claims (1)
1. a high-order infrared traffic management system, comprise central controller (1), with central controller (1) signal lamp that be connected and that be subject to its control (3), it is characterized in that: system also comprises for detection of near the infra-red ray detection device of transport information crossing (2), described infra-red ray detection device (2) comprises infrared emitting module (21), infrared detector (23), amplifying circuit (24) and infrared receiver module (22), wherein infrared emitting module (21) is installed on fixedly setting up apart from ground certain altitude, be used for launching infrared signal, infrared detector (23), for surveying the transport information in noctovisor scan region, and exports to amplifying circuit after converting transport information to electric signal, amplifying circuit (24), by the infrared detector signal receiving amplify process after export to central controller (1), infrared receiver module (22) is installed on the respective side of infrared emitting module, for receiving infrared-ray signal, and signal is passed to central controller (1), described infrared emitting module (21) comprises two cover infra-red ray transmitting unit of the transport information that is respectively used to scan on crossing and the transport information that scans crossing waiting area, every cover infra-red ray transmitting unit comprises noctovisor scan control circuit and noctovisor scan circuit,
Described noctovisor scan control circuit comprises single-chip microcomputer U1, emitting diode D1, PNP triode BG1, PNP triode BG2, receiving tube D2, and wherein one end of emitting diode D1 connects power supply by resistance R 3, and the other end connects the PNP triode of two series connection; The base stage of PNP triode BG1 and PNP triode BG2 is connected with single-chip microcomputer U1 with resistance R 2 by resistance R 1 respectively; The signal end of receiving tube D2 connects single-chip microcomputer U1, and power end connects power supply by resistance R 4, and by capacitor C 1 ground connection; Described emitting diode is SE303ANC-C, and receiving tube is PIC-12043;
Described amplifying circuit comprises single-chip microcomputer U3, oscillatory circuit and button driver module, and signal CON1 connects oscillatory circuit through capacitor C 11, then passes to single-chip microcomputer U3 after the parallel circuit of resistance R 13 and diode D4; Oscillatory circuit comprises crystal oscillator Y2 and triode BG11, the base stage of one end connecting triode BG11 of crystal oscillator Y2, the direct ground connection in another two ends; The collector of triode BG11 connects capacitor C 11, and emitter is through resistance R 12 ground connection, and base stage is connected the P3.1 mouth of single-chip microcomputer U3 after the parallel circuit of resistance R 13 and diode D4, and described base stage is connected with the positive pole of diode D4; Button driver module comprises that button S1 that one end ground connection, the other end is connected with single-chip microcomputer U3 by exclusion RP1 is to button S8, and passes through the luminotron DS1 that resistance R 18 is connected with single-chip microcomputer U3, luminotron DS1 other end ground connection; The output terminal P3.3 of single-chip microcomputer U3 is connected with the base stage of triode BG13 through resistance R 14, and the input end of resistance R 14 is connected with 5V power supply by resistance R 19; The output terminal P3.2 of single-chip microcomputer U3 is connected with the base stage of triode BG12 through resistance R 16, and the input end of resistance R 16 is connected with 5V power supply by resistance R 15; The emitter of triode BG13 is connected with the collector of triode BG12, and the emitter of triode BG12 is connected with luminotron DS2, and the other end of luminotron DS2 is connected with power supply by resistance R 17, the direct ground connection of collector of triode BG13;
Described noctovisor scan circuit comprises single-chip microcomputer U2, NPN triode BG3, infrared light emitting diode D3, wherein one end of infrared light emitting diode D3 connects power supply, the other end connects the collector of NPN triode BG3 by resistance R 5, the direct ground connection of emitter of NPN triode BG3, base stage is connected with single-chip microcomputer U2 by resistance R 6; The reset terminal of single-chip microcomputer U2 connects power supply through capacitor C 2, and through resistance R 7 ground connection, input end is connected with keyboard interface through pull-up resistor;
Described infrared receiver module comprises refracting telescope and infrared radiation receiving circuit, described infrared radiation receiving circuit comprises coder-decoder IC4 and receiving tube D4, receiving tube D5, the power end of coder-decoder IC4 is connected with positive source with switch S 7 through resistance R 10, and input end A0～A7 of coder-decoder IC4 is connected with the output terminal of a parallel circuit respectively; Described parallel circuit is connected in parallel and is formed by the series arm of series arm, resistance R 23 diode V3 and button S6 of series arm, resistance R 22 diode V2 and the button S5 of resistance R 21 diode V1 and button S5 and the series arm of resistance R 24 diode V4 and button S6; The anodic bonding button S5 of diode V1 and diode V2, the anodic bonding button S6 of diode V3 and diode V4, input end A8～A11 of coder-decoder IC4 connects one to one to button S4 with button S1 respectively, and button S1 passes through electrochemical capacitor ground connection after connecing altogether to the other end of button S6; The output terminal of coder-decoder IC4 is connected with the base stage of triode BG21 through four or two input nand gate IC2, resistance R 8 successively; The positive pole of power supply is connected with the collector of triode BG21 through switch S 7, resistance R 9, receiving tube D4, receiving tube D5 successively, the direct ground connection of emitter of triode BG21;
Described four or two input nand gate IC2 comprise two input nand gate E1～E4, an input end of described two input nand gate E1 is connected with the output terminal DOUT of coder-decoder IC4, another input end of two input nand gate E1 is connected with the output terminal of two input nand gate E2 with capacitor C 8 through resistance R 31 successively, and the output terminal of two input nand gate E1 is connected with the input end of two input nand gate E2 respectively; The input end of described two input nand gate E2 is also connected between resistance R 31 and capacitor C 8 by resistance R 32, the output terminal of two input nand gate E2 is connected with the input end of two input nand gate E3 respectively, the output terminal of two input nand gate E3 is connected with the input end of two input nand gate E4 respectively, the output terminal contact resistance R8 of two input nand gate E4.
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| CN103126614A (en) * | 2011-12-02 | 2013-06-05 | 乐金电子(天津)电器有限公司 | Dust collector dust collecting device provided with dust fullness display device and dust fullness display method |
| CN107331168A (en) * | 2017-08-31 | 2017-11-07 | 合肥风生水起信息科技有限公司 | A kind of delay discoloration traffic lights sensed based on pedestrian |
| CN108831167A (en) * | 2018-05-29 | 2018-11-16 | 昆明理工大学 | A kind of crossroad access lamp control system |
| CN111599187A (en) * | 2020-05-23 | 2020-08-28 | 广州市翔通交通设施工程有限公司 | Traffic signal lamp control method, equipment and storage medium thereof |
| CN112820124B (en) * | 2021-02-01 | 2022-07-01 | 北京嘉木天成科技有限公司 | Intelligent traffic indicating system applied to smart city |
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| CN2370495Y (en) * | 1999-04-23 | 2000-03-22 | 王天章 | Automatic controller for signal lamp of road cross |
| CN1967623A (en) * | 2006-11-23 | 2007-05-23 | 河北理工大学 | Method for checking traffic flow by infrared ray matrix and traffic monitoring system |
| CN101009047A (en) * | 2007-01-26 | 2007-08-01 | 上海市大同中学 | Intelligent traffic crossing control method |
| CN201716859U (en) * | 2010-07-21 | 2011-01-19 | 保定维特瑞交通设施工程有限责任公司 | High infrared traffic management system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09326763A (en) * | 1996-06-06 | 1997-12-16 | Hitachi Ltd | Composite information receiver |
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|---|---|---|---|---|
| CN2370495Y (en) * | 1999-04-23 | 2000-03-22 | 王天章 | Automatic controller for signal lamp of road cross |
| CN1967623A (en) * | 2006-11-23 | 2007-05-23 | 河北理工大学 | Method for checking traffic flow by infrared ray matrix and traffic monitoring system |
| CN101009047A (en) * | 2007-01-26 | 2007-08-01 | 上海市大同中学 | Intelligent traffic crossing control method |
| CN201716859U (en) * | 2010-07-21 | 2011-01-19 | 保定维特瑞交通设施工程有限责任公司 | High infrared traffic management system |
Non-Patent Citations (1)
| Title |
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| JP特开平9-326763A 1997.12.16 |
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Denomination of invention: High-order infrared traffic management system Effective date of registration: 20150624 Granted publication date: 20140702 Pledgee: Bank of Hebei, Limited by Share Ltd, Baoding branch Pledgor: Weichiduan Traffic Facility Engineering Co., Ltd., Baoding Registration number: 2015990000503 |
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