CN208781403U - A kind of intelligent traffic lamp control machine - Google Patents

A kind of intelligent traffic lamp control machine Download PDF

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Publication number
CN208781403U
CN208781403U CN201821433031.6U CN201821433031U CN208781403U CN 208781403 U CN208781403 U CN 208781403U CN 201821433031 U CN201821433031 U CN 201821433031U CN 208781403 U CN208781403 U CN 208781403U
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module
main control
signal
control module
interface
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王俊
康凯
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Fujian Quanzhou Star Blue Information Technology Co Ltd
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Fujian Quanzhou Star Blue Information Technology Co Ltd
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Abstract

The utility model relates to road traffic technical fields, and in particular to a kind of intelligent traffic lamp control machine, including signal lamp drive module, vehicle detection module, power module, yellow sudden strain of a muscle controller, display touch screen module and main control module;The communication of the signal lamp drive module, vehicle detection module and main control module is all made of RS485 bus connecting mode, and the power module, yellow sudden strain of a muscle controller, display touch screen module are connected with main control module respectively;This intelligent traffic lamp control machine can be arranged different clearance phases according to the wagon flow and flow of the people size of crossing all directions to each stage and let pass the time, realize traffic intersection maximum clearance amount, the control effect for solving the fixed timing system of existing Traffic signal control machine is bad, the waiting time of vehicle is too long, the problem of increasing traffic delay, declining the service efficiency of road.

Description

A kind of intelligent traffic lamp control machine
Technical field
The utility model relates to road traffic technical fields, and in particular to a kind of intelligent traffic lamp control machine.
Background technique
At the parting of the ways, four sides all suspended on red, yellow, and green, three color traffic lights, it is noiseless " traffic police It examines ".Traffic lights are the traffic lights of international uniform.Red light is off signal, and green light is right of way signal.Intersection, it is several The vehicle that direction is come all collects here, and what is had will keep straight on, and what is had will turn round, and on earth whom allow to get ahead, and here it is traffic lights to be accepted Commander.Red light is bright, forbids keeping straight on or turn left, and in the case where not hindering pedestrian and vehicle condition, vehicle is allowed to turn right;Green light, it is quasi- Perhaps vehicle straight trip or turning;Amber light is bright, is parked within crossing stop line or zebra crossing, has continued to pass through;Amber light flashing When, warning vehicle is taken care.
Most of Traffic signal control is using the signal controlling machine for fixing timing on existing road, for signal lamp Timing scheme be to be formulated according to the obtained historical data of traffic study, once determination, that is, maintain to immobilize, under Once re-start investigation, this system for road get on the bus stability of flow crossing with good control effect.But it is right It gets on the bus the crossing of instability of flow in some roads, the control effect of fixed timing system is bad, and the waiting time of vehicle is too long, Increase traffic delay, declines the service efficiency of road.
Utility model content
It therefore, can be according to road in view of the above-mentioned problems, the utility model provides a kind of intelligent traffic lamp control machine Different clearance phases can be arranged to each stage and let pass the time for the real-time wagon flow of mouth all directions and flow of the people size, real Existing traffic intersection maximum clearance amount.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions:
A kind of intelligent traffic lamp control machine, including signal lamp drive module, vehicle detection module, power module, Huang Dodge controller, display touch screen module and main control module;The signal lamp drive module, vehicle detection module and main control module Communication be all made of RS485 bus connecting mode, the RS485 bus includes bus RS485-1 and bus RS485-2, signal Lamp drive module is connected by bus RS485-1 with main control module, and the vehicle detection module passes through bus RS485-2 and master Control module is connected, and the power module, yellow sudden strain of a muscle controller, display touch screen module are connected with main control module respectively;
The quantity of the signal lamp drive module be it is a plurality of, the signal lamp drive module includes CPLD chip, signal Driver, isolation optocoupler, control switch, the CPLD chip are connected by signal driver with isolation optocoupler, the isolation Optocoupler is connected with control switch;The CPLD chip is also connected with one for carrying out electricity to signal lamp drive module in output end The measure voltage &amp of current voltage acquisition;
The vehicle detection module includes a plurality of card insert type vehicle checkers and a plurality of plug-in vehicle checkers, the card insert type vehicle Inspection device directly passes through bus RS485-2 and is connected with main control module, and the plug-in vehicle checker is expanded module by a RS485 and is connected to It is connected on the dedicated bus RS485-2 of vehicle detection module and with main control module;The card insert type vehicle checker include single-chip microcontroller, Watch dog monitoring chip, ground induction coil interface, transformer, LC oscillating circuit, the ground induction coil interface pass through transformer and LC Oscillating circuit is connected, and the LC oscillating circuit is connected with single-chip microcontroller, and the watch dog monitoring chip is connected with single-chip microcontroller;
The main control module includes main control module, real-time clock, buzzer, the buzzer, real-time clock and master control mould Block is connected, and serial ports, I/O interface, RS485 interface, network interface, download interface, LCD interface are additionally provided on the main control module.
A further improvement is that: the signal lamp drive module and vehicle detection module are provided with plug-and-play circuit.
A further improvement is that: the power module includes main power source and backup power source, and the relay of backup power source is set to It is placed in normally-closed contact in the relay of normally opened contact, master control power supply, the control signal of relay when main power source, which exports, to disappear It disappears therewith, the relay of backup power source gets to normally-closed contact by normally opened, and backup power source starts to export.
A further improvement is that: the GPS when main control module is further connected with one for traffic signal controlling machine school.
A further improvement is that: the main control module is additionally provided with a luminance control interface, the luminance control interface connection There is a voltage regulating module.
By using preceding solution, the beneficial effects of the utility model are:
The utility model is by setting vehicle detection module, according to the traffic flow data that wagon detector measures come dynamic Change phase to let pass the time, different put can be arranged to each stage according to the wagon flow of crossing all directions and flow of the people size Row phase is let pass the time, realizes traffic intersection maximum clearance amount.
Control switch uses bidirectional triode thyristor in signal lamp drive module, and bidirectional triode thyristor is good alternating-current switch, phase There is higher switch life to existing some other mechanical switch.
Meanwhile light control module and vehicle detection module have warm connection function, hot plug design guarantees plugging other slots It does not need power operation when the plank of position and will not influence the operation of other equipment, the sufficient time is provided to plant maintenance.
And using Dual-power automatic switching design ensure equipment power-supply device damage when can continue to work and notify be System provides the sufficient time to plant maintenance.
The main control module of the utility model is further connected with a GPS, when for traffic signal controlling machine school, believes each traffic The system time of number control machine is consistent, and realizes untethered coordination, United Dispatching.
And the traffic signal controlling machine has installed a voltage regulating module, pressure regulation mould additional on the basis of existing traffic signal controlling machine Block can control the input voltage of signal lamp group according to the analog signal amount that traffic signal controlling machine exports, to obtain traffic lights Luminance control.
Detailed description of the invention
Fig. 1 is the general module circuit structure diagram of the utility model;
Fig. 2 is the signal lamp drive module circuit structure diagram of the utility model;
Fig. 3 is the card insert type vehicle checker circuit structure diagram of the utility model;
Fig. 4 is the power module main power circuit structure chart of the utility model;
Fig. 5 is that controller circuit structure figure is dodged in the yellow of the utility model;
Fig. 6 is the touch display screen modular circuit structure chart of the utility model;
Fig. 7 is the main control module circuit structure diagram of the utility model;
Fig. 8 is that the RS485 of the utility model expands modular circuit structure chart;
Specific embodiment
The embodiments of the present invention is described in detail below with reference to specific embodiment, whereby such as to the utility model What applied technology method solves technical problem, and the realization process for reaching technical effect can be fully understood and implemented.
Embodiment
With reference to Fig. 1, a kind of intelligent traffic lamp control machine, including signal lamp drive module 1, vehicle detection module 2, electricity Source module 3, yellow controller 4, display touch screen module 5, the main control module 6 and 485 of dodging expand module 7;The signal lamp drives mould The communication of block 1, vehicle detection module 2 and main control module 7 is all made of RS485 bus connecting mode, and the RS485 bus includes total Line RS485-1 and bus RS485-2, the signal driver module 1 is connected by bus RS485-1 with main control module, described Vehicle detection module 2 is connected by bus RS485-2 with main control module, and the power module 3, is shown yellow sudden strain of a muscle controller module 4 Show that touch screen module 5 is connected with main control module 6 respectively;
Signal lamp drive module 1, vehicle detection module 2 respectively hang over RS485-1 and 485-2 in oneself bus, institute respectively Stating power module 3 includes main power source and backup power source, and main power source equally controls backup power source other than to external equipment power supply Relay be attracted, therefore backup power source does not work under normal circumstances.The functional block diagram of modules will be illustrated below:
With reference to Fig. 2, the quantity of the signal lamp drive module 1 be it is a plurality of, the signal lamp drive module includes CPLD Chip 11, signal driver 12, isolation optocoupler 13, control switch 14, the CPLD chip 11 by signal driver 12 with every It is connected from optocoupler 13, the isolation optocoupler 13 is connected with control switch 14;The CPLD chip 11 is also connected with an electric current Detection unit 15 and a voltage detection unit 16 carry out voltage and current acquisition to signal lamp drive module 1 in output end;
Signal lamp drive module 1 is the basic function module of traffic signal controlling machine, and effect is driving external signal lamp, Signal lamp drive module 1 and the transmission of the data of main control module 6 use 485 bus communication mode, use CPLD chip 11 as letter The control chip of signal lamp drive module obtains lamp on bus RS485-1 and drives multi-channel output signal, driven by signal driver 12 The isolation optocoupler 13 for moving each channel, controls the control switch 14 in each channel, to reach the light on and off control of signal lamp, simultaneously Current signal and voltage signal are acquired in output end, judge whether the work of signal lamp drive module is normal with this, is handed over The design that messenger controls machine uses modularized design, has the movement of plug module, therefore need to carry out heat on every piece of plank It plugs circuit design to guarantee, does not influence the work of other circuits of traffic signal controlling machine when Plug Action.
Signal lamp drive module is the conversion of light current to forceful electric power, therefore Phototube Coupling is selected to control each channel, The control switch uses bidirectional triode thyristor, and bidirectional triode thyristor is good alternating-current switch, although some other mechanical switch Alternating-current switch can be served as, but signal lamp drive module output switch frequently needs device to have higher switch life, therefore machine Tool switch is obvious undesirable, and whole design is controlled using the optocoupler with zero-crossing comparator silicon-controlled, in zero crossing Trigger the silicon-controlled interference that can reduce silicon-controlled switch motion in this way to power grid in place.
With reference to Fig. 1 and Fig. 3,2 pieces of the vehicle detection module include a plurality of card insert type vehicle checkers 21 and a plurality of plug-in Vehicle checker 22, with reference to Fig. 8,485 expansion modules 7 are to connect the connector that plug-in vehicle checker is done, because 485 by connection side The constraint of formula cannot connect on a point, and the realization of this functions of modules is attached external multiple equipment.The card insert type car test Device 21 is directly connected by bus RS485-2 with main control module 6, and the plug-in vehicle checker 22 expands plate module 7 by 1 It is connected on the dedicated bus RS485-2 of vehicle detection module 1 and is connected with main control module 6;The 21 device packet of card insert type car test Single-chip microcontroller 23, watch dog monitoring chip 24, ground induction coil interface 25, miniature transformer 26, LC oscillating circuit 27 are included, is felt describedly Coil interface 25 is connected by miniature transformer 26 with LC oscillating circuit 27, and the LC oscillating circuit 26 is connected with single-chip microcontroller 23 It connects, the watch dog monitoring chip 24 is connected with single-chip microcontroller 23;
Its major function of vehicle detection module is whether detection vehicle passes through institute's measuring car road, and carries out to the data detected Certain processing.Due to the acquisition requirement of real-time of car test signal is higher therefore one RS485 bus of other arrangement dedicated for Acquire car test signal.External ground induction coil is connected on the ground induction coil interface of car test, and is embedded in road in the following, when there is vehicle warp Out-of-date single-chip microcontroller can collect the oscillator signal of different frequency therefore judge whether there is vehicle process, while can also detect Frequency when coil disconnects judges whether coil opens a way with this, needs synchronization signal to make when multiple vehicle checkers are cooperated When for base, signals of vehicles is acquired, because single-chip microcontroller has the ability of oneself processing signal, vehicle checker can also be to vehicle Flow is counted;Vehicle checker is also plug device, therefore also adds plug-and-play circuit.
The oscillating circuit of vehicle checker is the core of entire vehicle checker, and only stable frequency of oscillation can just obtain reliably Data.Oscillating circuit is vibrated using LC, external coil is isolated by transformer, oscillating circuit itself has an oscillation Frequency has another frequency of oscillation after external coil access again, and when there is car to press through coil, frequency has again and further changes Become, therefore the essential core of the oscillator is the oscillation for making the circuit stable in some frequency range, needs certain frequency It is wide.Oscillator is made of triode, capacitor, resistance and transformer and external coil, a part of L in external coil, therefore Different frequencies can be obtained when L changes, monolithic counts oscillator signal within the unit time, so that it may know frequency, And obtain corresponding data.
Operating procedure: 1, in car test parameter, according to actual road surface car test installation situation, channel and phase be will test Correspondence setting is good;2, according to the actual conditions at crossing, parameter value needed for determining induction control (minimum green time, Unit extends green, maximum green time);3, according to this three parameters determined, to each clearance phase corresponding in the stage Phase parameter be configured;4, the option parameter in stage parameter is selected as phase of sensitization;5, in period parameters, controlling party Formula is set as induction control, and scheme number is chosen to correspond to the scheme of the phase table of step 3 setting.
The utility model is by setting vehicle detection module, according to the traffic flow data that wagon detector measures come dynamic Change phase to let pass the time, different put can be arranged to each stage according to the wagon flow of crossing all directions and flow of the people size Row phase is let pass the time, realizes traffic intersection maximum clearance amount.
The signal lamp drive module 1 and vehicle detection module 2 are hot swap devices, are provided with plug-and-play circuit. Hot plug, which designs, to be guaranteed not needing power operation when plugging the plank of other slot positions and will not influence the operation of other equipment, The sufficient time is provided to plant maintenance.
With reference to Fig. 4, the power module 3 includes main power source 31 and backup power source, and the design of power module 3 uses dual power supply certainly Dynamic switched design, that is, have one block of power supply only just to will start backup power source when mains power failure as backup power source, Here the effect of increased relay is automatically switched for doing main power source and backup power source, and the relay of backup power source is controlled Signal is placed in normally opened contact, and the relay of master control power supply is placed in normally-closed contact, the control of relay when main power source, which exports, to disappear Signal also disappears therewith, and the relay of backup power source gets to normally-closed contact by normally opened, and backup power source starts to export;Therefore it plays standby The effect of part.Varistor is corresponding voltage-stabiliser tube for absorbing surge, protection diode, be can protect when exporting unstable Late-class circuit.Using Dual-power automatic switching design ensure equipment power-supply device damage when can continue to work and notify be System provides the sufficient time to plant maintenance;
With reference to Fig. 5, it is detection Traffic signal control machine that Huang, which dodges controller 4 and the only link of Traffic signal control machine, Whether work normally, and be not involved in control, Huang sudden strain of a muscle controller design can start yellow dodge when catastrophe failure occurs in complete machine and answer quick-acting prescription Case.
With reference to Fig. 6, touch display screen is mainly made of display screen, touch screen and power circuit, is mainly shown and is modified Traffic signal controlling machine parameter, touch screen is for obtaining contact coordinate;Display screen display movement, major part or power supply Conversion.
With reference to Fig. 7, the main control module includes main control module, real-time clock, buzzer, the buzzer, real-time clock It is connected with main control module, serial ports, I/O interface, RS485 interface, network interface, download interface, LCD is additionally provided on the main control module Interface.The main control module is further connected with a GPS, when for traffic signal controlling machine school, makes each traffic signal controlling machine System time is consistent, and realizes untethered coordination;The main control module of traffic signal controlling machine is responsible for controlling traffic signal controlling machine Lamp drive output and acquisition and reads the information on touch screen at car test signal, make corresponding response;In addition to this also wanting can It is communicated with host computer, all realization data interactions execute kinds of schemes;And coordination work is carried out with other traffic signal controlling machines Make, main control module is for time showing, in the case where system cut-off still for connecting external modules, real-time clock It can timing;Common IO can be used as the access of external equipment, for example, yellow glitch output, pedestrian's street crossing button, switch gate detect, It is manually stepped;RS485 is mainly used for the communication of aforementioned lamp drive and car test, and network interface is for being connected to the network;Download interface For burning program;External RS485 interface can be used as the countdown interface of communication-type in the future;GPS is for giving traffic signals control When machine school processed, it is consistent the system time of each traffic signal controlling machine, it can be achieved that untethered coordination (extension function);In order to The scalability for improving traffic signal controlling machine, needs to reserve traffic signal controlling machine expansion interface, and serial ports is most of again The supporting interface of external equipment, but serial ports quantity is extremely limited, therefore is reserved interface is carried out by the way of serial ports expansion.
The main control module is additionally provided with a luminance control interface, and the luminance control interface is connected with a voltage regulating module;It should Traffic signal controlling machine has installed a voltage regulating module additional on the basis of existing traffic signal controlling machine, and voltage regulating module can be according to friendship The analog signal amount of messenger control machine output controls the input voltage of signal lamp group, to obtain the luminance control of traffic lights System.
System by the control to potentiometer, adjusts the output quantity of potentiometer first, and the output of potentiometer is then as friendship The control signal of solid-state voltage regulator is flowed, and then luminance control is realized by the adjusting to voltage.
Implementation procedure: 1, being controlled by luminance and tested, provide the luminance preview time of 5s, arrives suitable brightness adjusting Afterwards, corresponding luminance controlling value is arranged to traffic signal controlling machine;2, modification needs to carry out the period of luminance control, its is right The option parameter answered is set as luminance control, opens luminance control switch;3, traffic signal controlling machine works as fortune according to system time When row is to the period for opening luminance control, then current brightness value is obtained out, pressure regulator is controlled, it is electric to adjust its output Pressure has also just reached the luminance control of signal lamp.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (5)

1. a kind of intelligent traffic lamp controls machine, it is characterised in that: including signal lamp drive module, vehicle detection module, electricity Source module, yellow sudden strain of a muscle controller, display touch screen module and main control module;The signal lamp drive module, vehicle detection module Communication with main control module is all made of RS485 bus connecting mode, and the RS485 bus includes bus RS485-1 and bus RS485-2, signal lamp drive module are connected by bus RS485-1 with main control module, and the vehicle detection module passes through total Line RS485-2 is connected with main control module, the power module, it is yellow dodge controller, display touch screen module respectively with master control mould Block is connected;
The quantity of the signal lamp drive module be it is a plurality of, the signal lamp drive module include CPLD chip, signal driving Device, isolation optocoupler, control switch, the CPLD chip are connected by signal driver with isolation optocoupler, the isolation optocoupler It is connected with control switch;The CPLD chip is also connected with one for carrying out voltage electricity to signal lamp drive module in output end Flow the measure voltage &amp of acquisition;
The vehicle detection module includes a plurality of card insert type vehicle checkers and a plurality of plug-in vehicle checkers, the card insert type vehicle checker Directly it is connected by bus RS485-2 with main control module, the plug-in vehicle checker expands module by a RS485 and is connected to vehicle It is connected on the dedicated bus RS485-2 of detection module and with main control module;The card insert type vehicle checker includes single-chip microcontroller, guards the gate Dog monitoring chip, ground induction coil interface, transformer, LC oscillating circuit, the ground induction coil interface are vibrated by transformer and LC Circuit is connected, and the LC oscillating circuit is connected with single-chip microcontroller, and the watch dog monitoring chip is connected with single-chip microcontroller;
The main control module includes main control module, real-time clock, buzzer, the buzzer, real-time clock and main control module phase It connects, is additionally provided with serial ports, I/O interface, RS485 interface, network interface, download interface, LCD interface on the main control module.
2. a kind of intelligent traffic lamp according to claim 1 controls machine, it is characterised in that: the signal lamp drives mould Block and vehicle detection module are provided with plug-and-play circuit.
3. a kind of intelligent traffic lamp according to claim 1 controls machine, it is characterised in that: the power module includes Main power source and backup power source, the relay of backup power source are placed in normally opened contact, and the relay of main power source is placed in normally-closed contact, when The control signal of relay also disappears therewith when main power source output disappears, and the relay of backup power source gets to normally closed touching by normally opened Point, backup power source start to export.
4. a kind of intelligent traffic lamp according to claim 1 controls machine, it is characterised in that: the main control module also connects Have one for traffic signal controlling machine school when GPS.
5. a kind of intelligent traffic lamp according to claim 1 controls machine, it is characterised in that: the main control module is also set There is a luminance control interface, the luminance control interface is connected with a voltage regulating module.
CN201821433031.6U 2018-09-03 2018-09-03 A kind of intelligent traffic lamp control machine Active CN208781403U (en)

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Application Number Priority Date Filing Date Title
CN201821433031.6U CN208781403U (en) 2018-09-03 2018-09-03 A kind of intelligent traffic lamp control machine

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CN208781403U true CN208781403U (en) 2019-04-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110675641A (en) * 2019-09-26 2020-01-10 公安部交通管理科学研究所 Vehicle networking road traffic signal control system based on LTE-V2X
CN111028519A (en) * 2019-12-28 2020-04-17 江苏航天大为科技股份有限公司 Self-adaptive control method based on video flow detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110675641A (en) * 2019-09-26 2020-01-10 公安部交通管理科学研究所 Vehicle networking road traffic signal control system based on LTE-V2X
CN111028519A (en) * 2019-12-28 2020-04-17 江苏航天大为科技股份有限公司 Self-adaptive control method based on video flow detector

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