CN1609908A - Road dispatching system and lane dispatching lamp - Google Patents
Road dispatching system and lane dispatching lamp Download PDFInfo
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- CN1609908A CN1609908A CN 200310101895 CN200310101895A CN1609908A CN 1609908 A CN1609908 A CN 1609908A CN 200310101895 CN200310101895 CN 200310101895 CN 200310101895 A CN200310101895 A CN 200310101895A CN 1609908 A CN1609908 A CN 1609908A
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Abstract
The road dispatching system includes road dispatching control system and dispatching region set in the road dispatching control system. The road dispatching control system includes main control unit and external bus, and the dispatching regions are set in the roads in city road junction and have traffic lamps connected to the main control unit via external bus for indicating lanes. The lane dispatching lamp includes casing, lamp seat and lamp surface with light emitting elements, and is used in displaying at least one of the left turning, straight and right turning mark of different colors in set time sequence.
Description
Technical field
The present invention relates to a kind of road mixing system and track scheduling lamp, more particularly, the present invention relates to urban road mixing system and the three phase place tracks scheduling lamp supporting with the road junction point duty.
Background technology
For a long time, the signal lamp at urban road road junction is all formed one group (i.e. three lamp faces) by three lamps.Signal lamp is all by from left to right or by the separate setting in upper, middle and lower.Every lamp one of function of three different directions indications that has craspedodrome respectively, turns left or turn right according to being provided with of track as changing direction, makes track flexible dispatching commander, just need set up corresponding signal lamp according to required function.For example if make each track all have the function of craspedodrome, left-hand rotation or right-hand rotation, a track just need be provided with three groups of lamps, and original like this three one group will form nine lamps from left to right, and row forms signal lamp " group ".Not only cost height, various signal lamp are formed a row, and diverse location, out of phase, different colours variation are discerned all for the driver and caused serious vision to disturb, bring hidden danger moment, have also greatly influenced the performance of subdispatch efficient simultaneously.
The urban traffic road of matching with existing signal lamp all is divided into craspedodrome, drives in the wrong direction, and the three kinds of markings that preestablished craspedodrome before the stop line of road junction, turn left or turn right, and moves under the indication of signal lamp.The shortcoming of this system is the management mechanization for the road junction, and three different directions of keeping straight on, turn left or turn right interfere with each other, and can not make full use of path resource, makes the road phenomenon that often gets congestion.
In order to address the above problem, Chinese patent application 97115854.1 discloses a kind of traffic control system for crossroad in urban area, constitute by control and telltale, telltale comprises the command signal lamp, command signal stop line III is positioned on the controlled road junction, it is characterized in that being provided with and have left-hand rotation equally, keep straight on and the three kinds of marking signals of turning right, the marshalling signal lamp of synchronousing working with the command signal lamp, corresponding each road junction command signal lamp, marshalling lamp II and I are respectively arranged, corresponding marshalling stop line II and I with corresponding road surface, controlled road junction on, from command signal stop line III, depth setting near and far.The present invention can greatly improve the road junction work efficiency, reduces traffic jam.Its investment is little, and effect is remarkable.
Chinese patent application 981213264.7 discloses a kind of crossroad in urban area traffic dispatching and shunting method and management devices thereof, it is extrapolated 40 meters or shorter distance at road junction stop line place, mark the piggybacking line, three roads will be divided into then in the piggybacking district, middle together as the scheduling track, left and right both sides are the track, from 3 above parking stalls of stop line position, road junction reach, with the track extended line parking area, road junction of drawing; Establish one group of directional signal light that direction arrow is arranged being positioned on the stop line of road junction the place ahead, wait for motor vehicle by a first left side, after directly, right again order sees that signal sails parking stall in the parking area, road junction on the directional signal light, by stopping row signal lamp indication shunting; Whole procedure symmetry running, function mode be North and South direction when turning left east-west direction turn right simultaneously, thing, south-north oppsitely split into craspedodrome; Add a lampet at People's Bank of China signal lamp place, when People's Bank of China's signal lamp bright when green, lampet azarin, control bicycle; Stop line for non-motor vehicles reach at the road junction is at road junction dress bicycle signal lamp.Can solve the road junction that existing traffic exists effectively and stop up, cycle period is long, and motor vehicle, the bicycle point of impingement are many, problems such as pedestrian's street crossing difficulty.
But said method or device all fundamentally do not change existing congested in traffic problem, therefore can not utilize existing road to greatest extent, save time, and make driving unimpeded.
Summary of the invention
The object of the present invention is to provide a kind of road mixing system, this mixing system combines the lane change dispatch control that can implement the track with track scheduling lamp, overcome the fixing defective of existing road function, by making full use of the existing resource of urban road, make every track to be utilized more fully, improve the traffic capacity of road, improve the traffic efficiency of vehicle on the road junction, solve the road congestion problem.
Another object of the present invention is to provide a kind of track scheduling lamp, this scheduling lamp is arranged to an independently lamp face with the indication of a plurality of directions, make the scheduling lamp can on same coordinate position, show at least two kinds of colors and direction, signal is shown not only have effect directly perceived and moment identification, but also having characteristics simple in structure, that be convenient to install, the setting of more existing road message signal lamp is greatly simplified.
According to a first aspect of the present invention, the present invention relates to a kind of road mixing system, this system comprises the road dispensing control system and the allotment district of this control system is set, described road dispensing control system comprises at least one master controller, from controller, external bus, further comprise the signal lamp control circuit, track scheduling lamp, the output terminal of described master controller links to each other with input end from controller by external bus, described output terminal from controller links to each other with the input end of signal lamp control circuit, and the output terminal of signal lamp control circuit links to each other with the input end of track scheduling lamp; Be provided with the allotment district of above-mentioned road dispensing control system, this allotment district is arranged on the road surface at each crossing of urban road, described allotment district is on the basis in existing road surface direction signs, lines, track, increase by an allotment district top line in the place ahead of road surface direction signs, front end at allotment district top line is provided with the lane change district, is being provided with allotment district tag wire near place, crossing, road.
Compare from the digital address information of controller reception master controller and with the address of oneself, what the address conformed to beams back induction signal from controller to master controller, the control signal lamp turned left, keeps straight on, turns right in each track Alternation Display according to the time of setting then, perhaps show at least two in the phase identification of track scheduling lamp, and the duty of red, yellow, green three kinds of different colours.
According to a second aspect of the present invention, the invention still further relates to a kind of three phase place tracks scheduling lamp that is used for the track dispatching system, comprise a shell body, lamp socket, lamp face, shell body is connected with lamp socket, the lamp face is arranged in the shell body, described lamp face is provided with light-emitting component, and shows in left-hand rotation, craspedodrome, the right-hand rotation phase identification at least one respectively by the time-program(me) of setting, and each phase identification presents the duty of red, yellow, green three kinds of different colours respectively.Also can adopt LCD, directly show on its panel that one alternately presents the arrow of redness, yellow and green left-hand rotation, craspedodrome, right-hand rotation.Shell body is designed to arrow shaped, and the light emitting diode on the lamp face of corresponding setting in shell body also dot matrix is arranged in arrow shaped, and described shell body and lamp socket form one
The arrow of shape, the bottom of this craspedodrome arrow is arranged on the center of left and right arrow, makes left-hand rotation, craspedodrome, right-hand rotation constitute this arrow of isosceles triangle, can express left-hand rotation, craspedodrome, turn right with the various forms of indication vehicle operating.
According to a first aspect of the present invention, a kind of road mixing system, wherein this system comprises road dispensing control system and the allotment district that this control system is set, described road dispensing control system comprises master controller, external bus, this allotment district is arranged on the road surface at each crossing of urban road, be provided with the signal lamp that carries out the track indication in the allotment district, described master controller links to each other with signal lamp by external bus.Described road dispensing control system is further passing through between master controller and the signal lamp to be provided with between the external bus from controller, signal lamp control circuit, described output terminal from controller links to each other with the input end of signal lamp control circuit, and the output terminal of signal lamp control circuit links to each other with the input end of signal lamp; Described allotment district increases by an allotment district top line in the place ahead of road surface direction signs on the basis in existing road surface direction signs, lines, track, the front end of distinguishing the top line in allotment is provided with the lane change district, is being provided with allotment district tag wire near place, crossing, road.
Described signal lamp can be the display lamp that track scheduling lamp, miniature bulb, the dot matrix track scheduling lamp of arranging, LCD, digital display lamp, the luminous display lamp of optical fiber, laser display lamp or other can luminous object constitute; Can be used as belisha beacon, bicycle signal lamp, walker signal lamp.
Master controller and from can adopting bus mode, separated time mode between the controller, by master controller to communicating, from realizing intercommunication mutually between the controller from controller; In order to guarantee the stability of system, master controller with also can adopt Redundancy Design from controller, adopt multiple-way system from controller.The general three-bus that adopts; For line length is shortened, reduce pressure drop, with bus sectionalization, generally bus is divided into four sections.
On the front end of allotment district top line, every track, be equipped with from controller and track scheduling lamp, between allotment district's top line and track scheduling lamp, be provided with the lane change district, front end at track scheduling lamp is provided with allotment district tag wire near place, crossing, road, allotment district tag wire also be provided be used to control bicycle signal lamp, walker signal lamp from controller.
In addition, also can be outside the allotment district, set up an elementary allotment district again, increase by an elementary allotment district top line in the place ahead of road surface direction signs, front end at elementary allotment district top line, be equipped with elementary on every track from controller and elementary track scheduling lamp, between elementary allotment district top line and elementary track scheduling lamp, be provided with elementary lane change district, front end at elementary track scheduling lamp is allotment district top line, front end at allotment district top line, be equipped with on every track from controller and track scheduling lamp, between allotment district's top line and track scheduling lamp, be provided with the lane change district, front end at track scheduling lamp is provided with allotment district tag wire near place, crossing, road, allotment district's tag wire also be provided be used to control crossing, walkway lamp from controller, described elementary from controller with link to each other from controller.
Master controller is PC, single-chip microcomputer or the Single Chip Microcomputer (SCM) system with serial communication function, the serial port of described master controller by external bus to send digital signal from controller.At least comprise a communication interface chip from controller, this interface chip has duplex, single worker or half-duplex digital signal and transmits and receiving function, one can carry out the microcontroller of logical process, this microcontroller can be single-chip microcomputer, Single Chip Microcomputer (SCM) system, PLC, computing machine, communication interface receives the digital signal that main frame is sent, and these data are sent to microcontroller, microcontroller is according to the duty of the Digital Signals signal lamp that receives, to bright, the control of going out of signal lamp.
Wherein master controller is to sending control figure information from controller, compare from the digital address information of controller reception master controller and with the address of oneself, what the address conformed to beams back induction signal from controller to master controller, the control signal lamp turned left, keeps straight on, turns right in each track Alternation Display according to the time of setting then, perhaps show at least two in the phase identification of track scheduling lamp, and the duty of red, yellow, green three kinds of different colours.
Master controller of the present invention is: have the PC of serial communication function or single-chip microcomputer, Single Chip Microcomputer (SCM) system, as common computer, industrial computer, single-chip microcomputer etc., send digital signal through serial port such as RS2132, RS485, RS2422, USB interface.
Of the present inventionly be: single-chip microcomputer, Single Chip Microcomputer (SCM) system, PLC, computing machine etc. from controller, at least comprise a communication interface chip, one microprocessor, this interface has duplex, single worker or half-duplex digital signal and receives and sending function, this microcontroller is to have the device that can carry out the logical process function, communication interface receives the digital signal that master controller is sent, and these data are sent to microcontroller, microcontroller is according to the duty and the sequential of the Digital Signals signal lamp that receives, to reach bright, the control of going out to signal lamp.
Because native system is applied to traffic design, signal lamp is installed in open-air environment, be installed in the different crossing far away that is separated by, so the information transmission between them inevitably will be passed through long-distance transmissions, if and each parts all directly is connected with main frame with one group of circuit respectively with each peripherals, line will be intricate so, increased the difficulty of construction.In order to simplify line design, simplied system structure, so adopt the bus line structure, dispose suitable interface circuit, carry out the information and date exchange by this bus and other equipment, therefore system selects simplicity of design such as RS485, RS2422, RS2132, Longworks, compobus, frofibus, DeviceNet, agreement with remote multi-point communication ability and interface chip that antijamming capability is strong for use.
According to a second aspect of the present invention, a kind of track scheduling lamp, comprise a shell body, lamp socket, lamp face, shell body is connected with lamp socket, the lamp face is arranged in the shell body, described lamp face is provided with light-emitting component, and shows in left-hand rotation, craspedodrome, the right-hand rotation phase identification at least one respectively by the time-program(me) of setting, and each phase identification presents the duty of red, yellow, green three kinds of different colours respectively.
This track scheduling lamp further comprises wiring board, terminal box, the lamp face that wiring board and light-emitting component constitute is placed in the shell body, be provided with a lamp surface cover in the outside of shell body, the inlet wire of wiring board is by in the terminal box, under lamp socket, be embedded with and be used for fixing the fastening bolt of dispatching lamp, outside terminal box, be provided with the connector cover plate.
Shell body is designed to arrow shaped, and the light emitting diode on the lamp face of corresponding setting in shell body also dot matrix is arranged in arrow shaped, and described shell body and lamp socket form one
The arrow of shape, the bottom of this craspedodrome arrow is arranged on the center of left and right arrow, makes left-hand rotation, craspedodrome, right-hand rotation constitute this arrow of isosceles triangle, can express left-hand rotation, craspedodrome, turn right with the various forms of indication vehicle operating.
This lamp socket is arranged to one and is had the structure of falling the tee T of three groove shape support arms, and described arrow shaped shell body embeds in the lamp socket.
The afterbody of this arrow shaped shell body is arranged to the groove shape, and the support arm of the lamp socket of the described structure of falling the tee T inserts respectively in left-hand rotation, craspedodrome, three shell bodies of right-hand rotation.
Also can be integrally welded between described shell body and the lamp socket.
The high brightness LED dot matrix is arranged in each phase identification and can alternately presents redness, yellow or green arrow logo signal respectively among the present invention, for example: the dot matrix by redness, yellow and green LED is arranged in a phase identification, as forming red, yellow and green three id signals on the arrow, under the control of control circuit, carry out work according to the time-program(me) that traffic rules are set, present redness, yellow or green arrow logo respectively.
Scheduling lamp in track is controlled by the road dispensing control system, lights signal lamp to reach the function of dispatching buses from controller by certain time sequence and rule in this control system.
Use beneficial effect of the present invention to be: compared with the prior art, in the above-mentioned three phase place tracks scheduling lamp, the train signal of the different colours on the same phase identification is to be presented on the same coordinate position with the time-program(me) of setting, and its signal shows to have moment directly perceived recognition effect; Adopt this three phase places track scheduling lamp can implement lane change dispatch control on the road,, improve the traffic efficiency of vehicle on the road junction by making full use of path resource; In addition, one group of three chamber (three lamp faces) that scheduling lamp in this three phase places track will generally adopt now is designed to an independently lamp face, and it is simple in structure, be convenient to install, and the setting of the signal lamp of position, road junction is greatly simplified, and reduced system cost.
But the urban road dynamic administration system of nursing that the road junction point duty of lane change of the present invention is supporting, the zone is allocated in being provided with between two road junctions, no longer road fixedly is divided into direct motion and reversed carriage, and direct of travel is also fixing.But be configured as required with track scheduling signals lamp, promptly each the bar car lane in road allotment zone all can be applied in a flexible way by the domination of scheduling signals lamp. temporarilyThe track of former fixedly travel direction can be allocated as all phase place motor vehicles and use temporarily, also can utilize the mistiming to use reversed carriage temporarily, greatly increase the dirigibility that road uses, reduce the waste of path resource.The present invention has motor vehicles lane change allotment function in addition, and it is current that unordered at random motor vehicles are arranged in order by phase place, eliminated the phenomenon that the motor vehicle road occupying stops.
Description of drawings
Fig. 1, Fig. 1 a are the structured flowchart of the dispensing control system of road mixing system of the present invention;
Fig. 2, Fig. 2 a, Fig. 2 b are the synoptic diagram in the allotment district of road mixing system of the present invention;
Fig. 3 is from the structured flowchart between each hardware of controller in the dispensing control system of the present invention;
Fig. 4 is the circuit theory diagrams from controller of road mixing system of the present invention;
Fig. 5 is a signal lamp control circuit schematic diagram of the present invention;
Fig. 6 is the synoptic diagram of the road mixing system in two-way 4 tracks of the present invention;
Fig. 7 is the synoptic diagram of the road mixing system in two-way 6 tracks of the present invention;
Fig. 8 is the synoptic diagram of the structure of each parts of track scheduling lamp of the present invention;
Fig. 9 is track scheduling lamp one-piece construction synoptic diagram of the present invention;
Embodiment
Describe the present invention in detail below in conjunction with the drawings and specific embodiments, described embodiment is used to describe the present invention rather than restriction the present invention.
At first introduce road mixing system of the present invention, this system comprises the road dispensing control system and the allotment district of this dispensing control system is set, shown in Figure 1, described road dispensing control system comprises master controller 131, external bus 133, this allotment district is arranged on the road surface at each crossing of urban road, be provided with the signal lamp 135 that carries out the track indication in the allotment district, described master controller 131 links to each other with signal lamp 135 by external bus 133.Shown in Fig. 1 a, described road dispensing control system further is provided with from controller 132, signal lamp control circuit 134 by external bus 133 between master controller 131 and signal lamp 135, described output terminal from controller 132 links to each other with the input end of signal lamp control circuit 135, and the output terminal of signal lamp control circuit 134 links to each other with the input end of signal lamp 135; Wherein, signal lamp 135 adopts the form of scheduling lamp in track as described below.
Shown in Figure 2, be provided with the allotment district of above-mentioned road dispensing control system, this allotment district is arranged on the road surface at each crossing of urban road, described allotment district is on the basis in existing road surface direction signs 241, lines 245, track 246, increase by an allotment district top line 242 in the place ahead of road surface direction signs 241, front end at allotment district top line 242 is provided with lane change district 243, is being provided with allotment district tag wire 47 near place, crossing, road.The concrete layout of the road dispensing control system in this allotment district is provided with according to number of track-lines: when number of track-lines is two-way 6 tracks and 6 tracks when above, one-level is set controls and just can from controller 132, signal lamp control circuit 134, track scheduling lamp 135; When number of track-lines is two-way 4 tracks, differently with two-way 6 tracks be to be provided with two-stage from controller 132, signal lamp control circuit 134, track scheduling lamp 135, carry out twice allotment.
When number of track-lines is two-way 6 tracks and the mixing system setting more than 6 tracks, shown in Fig. 2 a, increase by an allotment district top line 242 in the place ahead of road surface direction signs 241, on the front end of allotment district top line 242, every track 246, be equipped with from controller 132 and track scheduling lamp 135, between allotment district's top line 242 and track scheduling lamp 135, be provided with lane change district 243, front end at track scheduling lamp 135 is provided with allotment district tag wire 47 near place, crossing, road, allotment district tag wire 47 also be provided be used to control crossing, walkway lamp 36 from controller 132;
When number of track-lines is the mixing system setting in two-way 4 tracks, shown in Fig. 2 b, increase by an elementary allotment district top line 242 ' in the place ahead of road surface direction signs 241, front end at elementary allotment district top line 242 ', be equipped with elementary on every track 246 from controller 132 ' and elementary track scheduling lamp 135 ', between elementary allotment district top line 242 ' and elementary track scheduling lamp 135 ', be provided with elementary lane change district 243 ', be the allotment district top line 242 of the mixing system shown in Fig. 2 a at the front end of elementary track scheduling lamp 135 ', arrange successively, wherein, elementary from controller 132 ' with link to each other from controller 132.
What should further specify around here is: the indefinite phase interface mixing system shown in Fig. 2 a and Fig. 2 b, it only is the allotment district synoptic diagram on the road at cross channel crossing, " ten " font crossing or " fourth " font crossing are provided with on every turnout track too, Fig. 6 and Fig. 7 that its whole synoptic diagram specifically can be seen below.
Wherein master controller 131 passes through external bus 133 to sending the control figure information from controller 132, compare from the digital address information of controller 132 reception master controllers 131 and with the address of oneself, what the address conformed to beams back induction signal from controller 132 to master controller 131, signal to signal lamp control circuit 134 then, thereby make scheduling lamp 135 in track turn left, keep straight on, turn right in each track Alternation Display according to the time of setting, perhaps show at least two in the phase identification of track scheduling lamp, and the duty of red, yellow, green three kinds of different colours.
Below each parts in the road dispensing control system are described:
Master controller 131:
Described master controller 131 is finished transmission, reception and the scheduling of information, it mainly is made up of one of the PC with serial communication function, single-chip microcomputer or Single Chip Microcomputer (SCM) system, as: common computer 386 grades, have computing machine 486,586 of USB interface etc., industrial computer PC104, single-chip microcomputer etc.; The serial port of described master controller by external bus to send digital signal from controller.
From controller 132:
As shown in Figure 3, for from the structured flowchart between each hardware of controller, describedly comprise at least that from controller 132 two converting interface a2, a3, a communication interface chip U2, one incorporate into and go here and there out shift register U3, one or eight bit switch a1 to carrying out microcontroller U1, that control circuit sends signal.Wherein, microcontroller U1 is the device or the system that can carry out logical process, can be single-chip microcomputer, Single Chip Microcomputer (SCM) system, PLC, computing machine etc., communication interface chip U2 has duplex, single worker or the half-duplex digital signal transmits and receiving function, and described incorporating into goes here and there out shift register U3 and can receive the dfisplacement pulse that is sent by microcontroller U1.
Converting interface a2, a3 are connected in parallel on the communication output terminal of communication interface chip U2, the signal input part of communication interface chip U2 links to each other with the output terminal of master controller 131 by RS485 bus 133, the signal output part of communication interface chip U2 links to each other with the signal input part of microcontroller U1, the input end of microcontroller U1 links to each other with the output terminal of shift register U3, incorporate into and go here and there out the other end of shift register U3 and link to each other with eight bit switch a1, the output terminal of microcontroller U1 links to each other with the input end of signal lamp control circuit 134, be used to control track scheduling lamp bright, go out.
Shown in Figure 4, be concrete circuit theory diagrams, adopt the microcontroller U1 of AT89C2051 single-chip microcomputer as system, adopt SN65LBC184P as communication interface chip U2, adopt model be eight of 74LS165 also-string conversion extended chip incorporates into and goes here and there out as shift register U3, adopts SW-DIP8 as eight bit switch a1.Reset terminal at microcontroller U1 is provided with by the resistance R of series connection successively, the electrify restoration circuit that capacitor C is formed, voltage stabilizing end at microcontroller U1 is provided with the mu balanced circuit of being made up of capacitor C and piezoelectric crystal XTAL, and 8 interfaces of described eight bit switch a1 are gone here and there out 8 interfaces of shift register U3 and linked to each other with incorporating into by resistance R respectively.
Microcontroller U1 at first sends pulse signal from the P3.3 mouth, 8 of pulse numbers in order to produce 7,4LS,165 eight Bit Shift pulses, read in displacement data from the P3.2 mouth, thereby produce the corresponding signal of dialling in according to the DIP-8 switch of data, be used as the address of this slave in proper order.The data that host computer transmits comprise address information and data message.8 pin and the P3.7 pin of the P1 mouth of microcontroller U1 come control signal lamp control circuit 134, and when the pin of control was high level, signal lamp extinguished; Microcontroller U1 is by the data on the communication interface chip U2 reception bus, by it these data are sent among the microcontroller U1 again and go, microcontroller U1 receives data and judges the address, if the address is right, say that people's data issue it, so just receive, by P1 mouth and the output of P3.7 mouth, signal passed to corresponding LED again.
The function of the above-mentioned chip that adopts from three core branch of controller 132 is a technology conventionally known to one of skill in the art, and these chips, module also can have been bought on market, the principle of work of chip also is intrinsic, so no longer its function and performance qualification are described in detail here.
External bus 133:
Because native system is applied to traffic design, and traffic lights is installed in open-air environment, be installed in the different crossing far away that is separated by, so the information transmission between them inevitably will be passed through long-distance transmissions, if and each parts all directly is connected with master controller with one group of circuit respectively with each peripherals, line will be intricate so, increased the difficulty of construction.In order to simplify line design, simplied system structure, so adopt the bus line structure, dispose suitable interface circuit, carry out the information and date exchange by this bus and other equipment, therefore native system select for use have remote multi-point communication ability, transmission performance is stable, the bus that antijamming capability is strong, as: RS-2422 bus, RS-2132 bus, RS-485 bus, Longworks, compobus, communications protocol and communication interfaces such as frofibus, DeviceNet.
With the RS-485 bus is example, it adopts balance to send and differential received, therefore has the ability that suppresses common mode interference, add its bus transceiver and have high sensitivity, can detect the voltage that is low to moderate 200mV, so transmission signals can be restored beyond the km, use the RS-485 formation distributed system of can also networking, it allows 132 drivers in parallel and 132 receivers.
Signal lamp control circuit 134:
Shown in Figure 5, this control circuit comprises signal interface circuit 1341, tally circuit 1342, the signal output part of the input end of described signal interface circuit 1341 and the micro-control machine U1 from controller 132 links, the output terminal of signal interface circuit 1341 links to each other with the input end of tally circuit 1342, this signal interface circuit 1341 is mainly by the photoelectrical coupler that connects successively, triode is formed, described triode generally adopts the power amplification triode, be used to drive the LED that dot matrix is arranged, realize scheduling allotment control, this tally circuit 1342 is mainly by red light emitting diodes LED1, green LED LED2 and yellow light-emitting diode LED3 and voltage regulation resistance R form, the LED of every kind of color is connected successively, and the voltage regulation resistance resistance is 1000 Europe.
Road mixing system of the present invention generally adopts bus mode, as: adopt the network topology of Distributed Multi data acquisition system (DAS) or centralized control system, transmit the method for The data master-salve station.Adopt master and slave mode to carry out multi-computer communication.Each has oneself fixing address from controller, finishes online communication each time by master controller control.
The principle of work of road dispensing control system is as follows:
The address information that master controller 131 sends is sent to communication interface chip U2 from controller 132 by external bus 133, more whether equate with this machine address of from controller 132 internal memories, depositing in the address information of master controller 131 being sent from the microcontroller U1 inside of controller 133, then show and be not to issue this as not waiting from controller,, should not receive digital signal that master controller 131 transmits from controller 132 and do not do any action yet and handle from the address of controller 132 if not this.If master controller 131 is issued from controller 132, then will continue to receive from controller 132, then control data information is passed to the signal interface circuit 13241 in the signal lamp control circuit 134, this signal is through photoelectric coupler isolation, the power triode amplifies red, yellow, the green three color dot battle arrays that the LED in the drive signal circuit for lamp 13242 is formed, light signal lamp to reach the function of dispatching buses by certain time sequence and rule, present redness, yellow or green arrow logo respectively and realize scheduling allotment control.
Master controller by transfer address information and control figure information and at least two monitor master controller call out have fixed address or variable address from controller, the light on and off of control signal lamp, master controller at first sends a time synchronizing signal on the net, between imitating on time from controller according to this signal, when master controller need be controlled from controller, then master controller is to the address that sends from controller from controller, all receive this address and compare with the address of oneself from controller, what the address conformed to beams back answer signal from controller to master controller, master controller is received after the replying of controller, then begin once to communicate by letter, by master controller to send the control figure control signal from controller, from controller according to the bright corresponding signal lamp of this control figure signaling point.If mail returned on ground of incorrect address then ignore continues the monitored call address.After main frame is received replying of slave, then begin once to communicate by letter.Communication finishes, and slave keeps listening state, Waiting for Call.
Because the difference of number of track-lines, its master controller 131 and also different from the arrangement between the controller 132, the concrete embodiment of face as follows in conjunction with Fig. 2, Fig. 6, Fig. 7, is elaborated to the specifically situation of arranging of road dispensing control system of the present invention:
Embodiment one:
The road mixing system in two-way 4 tracks is an example, as shown in Figure 6, its master controller 131 adopts one of industrial computer interpolation to have 4 serial RS485 mouth expansion board, connects four RS-485 buses to four direction respectively by these four serial ports: (being called for short slave from controller 132)
Bus A connects " slave 1 " respectively, " slave 22 ", " slave 15 ", " machine 16 ", " slave 7 ", " slave 8 ", " slave 27 ", " slave 28 ".
Bus B connects " slave 2 " respectively, " slave 23 ", " slave 9 ", " slave 10 ", " slave 18 ", " slave 17 ", " slave 29 ", " slave 30 ".
Bus C connects " slave 3 " respectively, " slave 24 ", " slave 11 ", " slave 12 ", " slave 20 ", " slave 19 ", " slave 31 ", " slave 32 ".
Bus D connects " slave 4 " respectively, " slave 21 ", " slave 5 ", " slave 6 ", " slave 13 ", " slave 14 ", " slave 25 ", " slave 26 ".
Because in front, we by the agency of for the road surface dispensing control system in two-way 4 tracks, its allotment district need set up an elementary allotment district top line 242 ', elementary lane change district 243 ', elementary track scheduling lamp 135 ', so, on control system, increase elementaryly, be elementary above from controller 132 ' from controller 132 '.Above-mentioned from controller except that control track scheduling lamp, also can be used to control belisha beacon, bicycle signal lamp and walker signal lamp.As: slave 1, slave 2, slave 3, slave 4 are controlled belisha beacon respectively; Slave 5, slave 6, slave 7, slave 8, slave 9, slave 10, slave 11, slave 12 are controlled track scheduling lamp 135 respectively; Slave 13, slave 14, slave 15, slave 16, slave 17, slave 18, slave 19, slave 20 are controlled elementary track scheduling lamp 135 ' respectively; Slave 21, slave 22, slave 23, slave 24 are controlled the bicycle signal lamp respectively; Slave 25, slave 26, slave 27, slave 28, slave 29, slave 30, slave 31, slave 32 are controlled walker signal lamp respectively, and above-mentioned each slave is 9 lamps of may command again, its geocoding be respectively binary one, 2,3,4,5,6 ... 24.
Embodiment two
The road mixing system in two-way 6 tracks, as shown in Figure 7, its master controller 131 adopts one of industrial computer interpolation to have 4 serial RS485 mouth expansion board, connects four RS-485 buses to four direction respectively by these four serial ports: (being called for short slave from controller 132)
Bus A connects " slave 1 " respectively, " slave 17 ", " slave 15 ", " slave 16 ", " slave 14 ", " slave 21 ", " slave 22 ".
Bus B connects " slave 2 " respectively, " slave 20 ", " slave 8 ", " slave 9 ", " slave 10 ", " slave 27 ", " slave 28 ".
Bus C connects " slave 3 " respectively, " slave 11 ", " slave 12 ", " slave 13 ", " slave 19 ", " slave 25 ", " slave 26 ".
Bus D connects " slave 4 " respectively, " slave 5 ", " slave 6 ", " slave 7 ", " slave 18 ", " slave 23 ", " slave 24 ".
Wherein, master controller 131 is with identical with embodiment one from the arrangement mode between the controller 132, for difference be to omit elementary from the control of controller 132 ' to elementary track scheduling lamp 135 ', so, can save 8 from controller.Slave 1, slave 2, slave 3, slave 4 are controlled belisha beacon respectively; Slave 17, slave 18, slave 19, slave 20 are controlled People's Bank of China's road junction lamp respectively; Slave 21, slave 22, slave 23, slave 24, slave 25, slave 26, slave 27, slave 28 are controlled the bicycle signal lamp respectively, and all the other slaves are control track scheduling lamp.9 lamps of each slave may command, geocoding be respectively binary one, 2,3,4,5,6.。。。。20。
In addition, for the road more than 6 tracks, arranging of its road mixing system and dispensing control system is identical with the situation of arranging in above-mentioned 6 tracks, just on every road, set up one be used to control track scheduling lamp from controller.
Above-mentioned a kind of specifically three phase place tracks scheduling of track scheduling lamp 135 lamp as shown in Figure 8, is the synoptic diagram of a kind of structure of three phase place tracks scheduling lamp, and the shell body 3 and the lamp socket 4 of this scheduling lamp can be non-one.This three phase places track scheduling lamp comprises the lamp face 10 that shell body 3, lamp socket 4, wiring board 5, terminal box 9, light-emitting component constitute, the lamp face 10 that wiring board 5 and light-emitting component constitute is placed in the shell body 3, further be provided with a lamp surface cover 2 in the outside of shell body 3, under lamp socket 4, be embedded with and be used for fixing the fastening bolt 8 ' of dispatching lamp, outside terminal box 9, be provided with connector cover plate 1.
Described shell body 3 is designed to arrow shaped, and the light emitting diode 11 on the lamp face 10 of corresponding setting in shell body 3 also dot matrix is arranged in arrow shaped.The inlet wire of wiring board 5 covers terminal box cover plate 1 then by in the terminal box 9, treats to cover lamp surface cover 2 again after LED is installed in the shell body 3.
As Fig. 8, shown in Figure 9, the shell body 3 that installs connected and fixed on the lamp socket 4 be integral, form the isosceles triangle arrow that a left side, straight, right order are listed as
This arrow can be expressed left-hand rotation, craspedodrome, be turned right with the various forms of indication vehicle operating, by securing member pressing plate 7, fastening bolt 8 ', nut 8 lamp socket 4 is fixed on the lamp stand 6.
It should be noted that around here connecting and fixing between shell body 3 and the lamp socket 4 also has following mode:
(1). above-mentioned lamp socket 4 is designed to one has the structure of falling the tee T of three groove shape support arms, respectively arrow shaped shell body 3 is embedded in the lamp socket 4 then;
(2). the afterbody of above-mentioned arrow shaped shell body 3 is arranged to the groove shape, and the support arm of lamp socket 4 that then will the structure of falling the tee T inserts left-hand rotation, craspedodrome respectively, in three shell bodies 3 of turning right;
In addition, also lamp socket 4 cast solids of shell body 3 with the structure of falling the tee T can be formed a left side, straight, the right isosceles triangle arrow that is listed as in proper order
This arrow can be expressed left-hand rotation, craspedodrome, be turned right with the various forms of indication vehicle operating, that is to say that three the lamp faces that turn left, keep straight on, turn right in this three phase places track scheduling lamp are continuous lamp face.
Wherein, red light emitting diodes LED1, green LED LED2 and yellow light-emitting diode LED3 that light-emitting component 11 dot matrix are arranged in the shell body 3 can alternately present redness, yellow or green arrow logo signal, for example: the dot matrix by redness, yellow and green LED is arranged in a phase identification, as forming red, yellow and green three id signals on the arrow, like this, can alternately present red, yellow, green three looks, command scheduling with vehicle.
Generally speaking, the present invention is a kind of PC, single-chip microcomputer or single-chip microcomputer system by having the serial communication function System is handled, controls the crossing command signal lamp and is extended the crossing cross road junction car in length and breadth that is provided with this signal lamp Road road mixing system carries out being undertaken by the phase place sequencing to each the direct of travel motor vehicle that not yet arrives the crossing The scheduling tissue is all fully used by same travel direction vehicle to reach each bar direct motion track, and all directions vehicle To pass through with form ensuring escapement from confliction under the commander of belisha beacon of segmentation horizontally-arranged ordered series of numbers the traffic control system at road junction System.
The present invention have can according to different road conditions work out various application programs, by System Operation reach such as: " machine, non-, people " space-time separates, clears out a gathering place, dredging, single face clearance, two-way clearance, command lamp sleep, spy The alert function of commanding and utilizing the reverse track of temporary idle section.
The present invention can effectively be alleviated urban traffic blocking, improves traffic safety, reduce the red light stand-by period. To carry The technical support system of high traffic management level, the traffic of realization urban pattern.
Claims (10)
1. road mixing system, wherein this system comprises road dispensing control system and the allotment district that this control system is set, described road dispensing control system comprises master controller, external bus, this allotment district is arranged on the road surface at each crossing of urban road, be provided with the signal lamp that carries out the track indication in the allotment district, described master controller links to each other with signal lamp by external bus.
2. road mixing system according to claim 1, wherein said road dispensing control system is further passing through between master controller and the signal lamp to be provided with between the external bus from controller, signal lamp control circuit, described output terminal from controller links to each other with the input end of signal lamp control circuit, and the output terminal of signal lamp control circuit links to each other with the input end of signal lamp; Described allotment district increases by an allotment district top line in the place ahead of road surface direction signs on the basis in existing road surface direction signs, lines, track, the front end of distinguishing the top line in allotment is provided with the lane change district, is being provided with allotment district tag wire near place, crossing, road.
3. road mixing system according to claim 1, wherein said signal lamp can be the display lamps that track scheduling lamp, miniature bulb, the dot matrix track scheduling lamp of arranging, LCD, digital display lamp, the luminous display lamp of optical fiber, laser display lamp or other can luminous object constitute; Can be used as belisha beacon, bicycle signal lamp, walker signal lamp.
4. road mixing system according to claim 1, master controller and from can adopting bus mode, separated time mode between the controller wherein, by master controller to communicating, from realizing intercommunication mutually between the controller from controller; In order to guarantee the stability of system, master controller with also can adopt Redundancy Design from controller, adopt multiple-way system from controller.
5. according to claim 1 or 3 described road mixing systems, wherein on the front end of allotment district top line, every track, be equipped with from controller and track scheduling lamp, between allotment district's top line and track scheduling lamp, be provided with the lane change district, front end at track scheduling lamp is provided with allotment district tag wire near place, crossing, road, allotment district tag wire also be provided be used to control bicycle signal lamp, walker signal lamp from controller.
6. according to claim 1 or 3 described road mixing systems, wherein outside the allotment district, set up an elementary allotment district again, increase by an elementary allotment district top line in the place ahead of road surface direction signs, front end at elementary allotment district top line, be equipped with elementary on every track from controller and elementary track scheduling lamp, between elementary allotment district top line and elementary track scheduling lamp, be provided with elementary lane change district, front end at elementary track scheduling lamp is allotment district top line, front end at allotment district top line, be equipped with on every track from controller and track scheduling lamp, between allotment district's top line and track scheduling lamp, be provided with the lane change district, front end at track scheduling lamp is provided with allotment district tag wire near place, crossing, road, allotment district's tag wire also be provided be used to control crossing, walkway lamp from controller, described elementary from controller with link to each other from controller.
7. according to claim 1 or 3 described road mixing systems, wherein master controller is PC, single-chip microcomputer or the Single Chip Microcomputer (SCM) system with serial communication function, the serial port of described master controller by external bus to send digital signal from controller.
8. according to claim 1 or 3 described road mixing systems, wherein comprise a communication interface chip at least from controller, this interface chip has duplex, single worker or half-duplex digital signal and transmits and receiving function, one can carry out the microcontroller of logical process, this microcontroller can be single-chip microcomputer, Single Chip Microcomputer (SCM) system, PLC, computing machine, communication interface receives the digital signal that main frame is sent, and these data are sent to microcontroller, microcontroller is according to the duty of the Digital Signals signal lamp that receives, to bright, the control of going out of signal lamp.
9. lamp is dispatched in a track, comprise a shell body, lamp socket, lamp face, wherein shell body is connected with lamp socket, the lamp face is arranged in the shell body, described lamp face is provided with light-emitting component, and show in left-hand rotation, craspedodrome, the right-hand rotation phase identification at least one respectively by the time-program(me) of setting, and each phase identification presents the duty of red, yellow, green three kinds of different colours respectively.
10. scheduling lamp in track according to claim 9, wherein this three phase places track scheduling lamp further comprises wiring board, terminal box, the lamp face that wiring board and light-emitting component constitute is placed in the shell body, be provided with a lamp surface cover in the outside of shell body, the inlet wire of wiring board is by in the terminal box, under lamp socket, be embedded with and be used for fixing the fastening bolt of dispatching lamp, outside terminal box, be provided with the connector cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310101895 CN1609908A (en) | 2003-10-23 | 2003-10-23 | Road dispatching system and lane dispatching lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310101895 CN1609908A (en) | 2003-10-23 | 2003-10-23 | Road dispatching system and lane dispatching lamp |
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| Publication Number | Publication Date |
|---|---|
| CN1609908A true CN1609908A (en) | 2005-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310101895 Pending CN1609908A (en) | 2003-10-23 | 2003-10-23 | Road dispatching system and lane dispatching lamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950485A (en) * | 2010-09-21 | 2011-01-19 | 南京宏控科技有限公司 | Traffic signal lamp digital networking equipment |
| CN102354448A (en) * | 2011-07-28 | 2012-02-15 | 薛勇 | Method and system for controlling passing of road junction |
| CN102945021A (en) * | 2011-08-16 | 2013-02-27 | 深圳市吉阳自动化科技有限公司 | Control system of lithium battery production equipment |
| CN103901797A (en) * | 2012-12-27 | 2014-07-02 | 中国科学院沈阳自动化研究所 | Safety-instrument data processing diagnosis circuit and method based on microcontroller redundancy technology |
| CN110459068A (en) * | 2012-10-12 | 2019-11-15 | 通用电气照明解决方案有限责任公司 | LED traffic light control system |
| CN113436444A (en) * | 2021-05-08 | 2021-09-24 | 山东交通学院 | Traffic signal control method for passage by lane in closed construction area of expressway |
-
2003
- 2003-10-23 CN CN 200310101895 patent/CN1609908A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950485A (en) * | 2010-09-21 | 2011-01-19 | 南京宏控科技有限公司 | Traffic signal lamp digital networking equipment |
| CN102354448A (en) * | 2011-07-28 | 2012-02-15 | 薛勇 | Method and system for controlling passing of road junction |
| CN102945021A (en) * | 2011-08-16 | 2013-02-27 | 深圳市吉阳自动化科技有限公司 | Control system of lithium battery production equipment |
| CN110459068A (en) * | 2012-10-12 | 2019-11-15 | 通用电气照明解决方案有限责任公司 | LED traffic light control system |
| CN103901797A (en) * | 2012-12-27 | 2014-07-02 | 中国科学院沈阳自动化研究所 | Safety-instrument data processing diagnosis circuit and method based on microcontroller redundancy technology |
| CN113436444A (en) * | 2021-05-08 | 2021-09-24 | 山东交通学院 | Traffic signal control method for passage by lane in closed construction area of expressway |
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