CN107527523A - A kind of one-way road road meeting intelligent reminding device and its control method - Google Patents
A kind of one-way road road meeting intelligent reminding device and its control method Download PDFInfo
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- CN107527523A CN107527523A CN201710847010.2A CN201710847010A CN107527523A CN 107527523 A CN107527523 A CN 107527523A CN 201710847010 A CN201710847010 A CN 201710847010A CN 107527523 A CN107527523 A CN 107527523A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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Abstract
The present invention relates to a kind of one-way road road meeting intelligent reminding device and its control method, belong to technical field of traffic control.Sensor and warning sign and speed measuring device are set at a certain distance from road both ends before and after the lay-by of road surface, electric drive audible-visual annunciator is housed on warning sign, induction signal will be amplified by signal wire for sensor and electronic switching circuit is connected to audible-visual annunciator, speed measuring device measures car by speed during sensor to calculate time of the vehicle by lay-by, and shown on warning sign, road both ends set the present invention to produce sound before and after the lay-by, the prompting of light, can solve the problems, such as the one-way traffic accident of one-way road particularly Narrow Mountainous Area well, and apparatus structure design is simple, power supply unit is used as by solar energy equipment, save the energy, cost is relatively low.
Description
Technical field
The present invention relates to a kind of one-way road road meeting intelligent reminding device and its control method, level Four is more particularly set on
Highway and mountain area one-way road etc. are had a lot of social connections at 3.5 meters and intelligent reminding dress during following one-way road road surface lay-by fore-aft vehicle meeting
Put, belong to technical field of traffic control.
Background technology
At present, many people propose many schemes based on the device in terms of traffic alarm, in Chinese patent literature
There are many records.It is an important problem that how to be provided under the conditions of no any external power supply, which has sound and light program, especially
It is the warning alarm set that there is automatic prompting function and intelligent transportation system can be incorporated, the technical data about this respect is current
Seldom.
In technical field of transportation now, there are many people to propose to set relevant road meeting warning dress in road meeting area
Put, in Chinese patent literature record, " vehicle crossing caution board on road "（The patent No.：CN200920111121.8）Itd is proposed in one invention
In two-way road meeting blind area design vehicle crossing caution board, pass through sound and light signal prompting and reduce meeting traffic thing in road blind area
Therefore " piezoelectric type road meeting alarming device "（The patent No.：CN201020178230.4）One invention is proposed in two-way road meeting
Car blind area sets a kind of alarming device to reduce the traffic accident of road meeting blind area, and " solar energy by piezoelectric board connection
Needle mode of wireless transmission vehicle crossing caution board on road "（The patent No.：CN201020653424.5）It is it is also proposed in one invention two-way
Road meeting blind area by a kind of wireless needle sensor sets warning sign to reduce blind area traffic accident, and these devices are also only
It is merely the alarming device for being done in two-way road area vehicle meeting, for as one-way road particularly mountain area one-way road
Section, this kind of device tends not to play good effect.
In the road conditions area that road is narrow, correct car can usually cause traffic accident.Correct car is too high and narrow in speed
One-way road, it is that black spot occurs.At present for the safety measure in above-mentioned section, only set in road both sides
Lay-by, due to vehicle meeting speed per hour spend high and width of roadway for two cars simultaneously by when excessively narrow, driver's note
Meaning power do not concentrate somewhat often ignore track on lay-by, speed often control it is bad, when correct car, traffic accident
It is just still occurred frequently.It is therefore desirable to set the warning sign all having to vision and the sense of hearing compared with strong stimulation in section, being just avoided that can
The traffic accident that can occur.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of one-way road road meeting intelligent reminding device and its control
Method, prompt driver opposite vehicle to reach the time of lay-by by LED charactrons 10, and remind driver to be waited into lay-by
Or slow down.The apparatus structure is simple, saves the energy, and cost is relatively low.
The technical solution adopted by the present invention is：A kind of one-way road road meeting intelligent reminding device, before lay-by road
End sets two front end sensors 1 and front end warning sign 3 and front end speed measuring device 4, sets two rear ends to pass in lay-by road rear end
Electric drive acousto-optic report is respectively arranged with sensor 1, rear end warning sign 3 and rear end speed measuring device 4, front end warning sign 3 and rear end warning sign 3
Alert device, audible-visual annunciator includes loudspeaker 9 and LED charactrons 10, and in lay-by front end, two front end sensors 1 are arranged at intervals and divided
It is not connected by front end signal line 2 with rear end control circuit 7, then rear end control circuit 7 is connected respectively to rear end warning sign 3
On audible-visual annunciator, rear end speed measuring device 4, rear end speed measuring device 4 is connected with two front end sensors 1 simultaneously, in lay-by rear end,
End sensor 1 is arranged at intervals and is connected respectively by back end signal line 2 with front-end controlling circuit 7 after two, then front-end control electricity
Road 7 is connected to the audible-visual annunciator of front end warning sign 3, on front end speed measuring device 4, and front end speed measuring device 4 passes with two rear ends simultaneously
Sensor 1 connects, and end sensor 1 uses inductance coil after two front end sensors 1 and two, and described front-end controlling circuit 7 is with after
Hold the structure of control circuit 7 identical, control circuit 7 includes single-chip microcomputer 11, signal amplification circuit, low frequency oscillation circuit, signal amplification
Circuit is connected with one end of low frequency oscillation circuit, and the other end of low frequency oscillation circuit is connected with single-chip microcomputer 11.
Supply unit is respectively arranged with front end warning sign 3 and rear end warning sign 3, supply unit includes solar panel 5, stored
Battery 6, solar panel 5 are connected with battery 6, and battery 6 connects with corresponding control circuit 7.
Also include being separately mounted to LED 12 on front end warning sign 3 and rear end warning sign 3, LED 12 respectively with it is corresponding
Single-chip microcomputer 11 in control circuit 7 connects.
The both ends of control circuit 7 are also connected with charging capacitor, and charging capacitor connects with corresponding battery 6 simultaneously.
The model AT89C51 of described single-chip microcomputer 11.
A kind of control method of one-way road road meeting intelligent reminding device, comprises the following steps：
Step 1, the sensor 1 of lay-by rear and front end do not detect vehicle 8 by when, control circuit 7 control LED 12 it is bright
Green light, audible-visual annunciator are closed；
Step 2, when rear and front end sensor 1 detects vehicle, pressure signal is changed into electric signal by rear and front end sensor 1；
Step 3, the electric signal after conversion is inputted in speed measuring device 4 and control circuit 7 simultaneously, and speed measuring device 4 passes according to front end two
The distance between sensor 1 and vehicle calculate car speed by the time of front end two sensorses 1, or according to rear end two sensorses
The distance between 1 and vehicle car speed is calculated by the time of rear end two sensorses 1, and will be calculated by signal wire 2
Car speed be passed to single-chip microcomputer 11 in, control circuit 7 is amplified by input electrical signal, low frequency oscillation processing after also by signal
Line 2 is sent into single-chip microcomputer 11；
Step 4, single-chip microcomputer 11 handles the distance meter of input signal, the car speed detected according to speed measuring device 4 and lay-by
Estimated time of the vehicle by lay-by is calculated, single-chip microcomputer 11 is converted into corresponding control signal to control audible-visual annunciator, LED
12 work, when rear end vehicle is by rear end two sensorses 1 on front end warning sign 3, LED 12 sends out a warning, LED charactrons 10
Display rear end vehicle is piped by lay-by estimated time, loudspeaker 9, when front end vehicle is by front end two sensorses 1 in rear end
On warning sign 3, LED 12 sends out a warning, and LED charactrons 10 show estimated time of the front end vehicle by lay-by, and loudspeaker 9 ring
Cry, to prompt driver to pay attention to road speed.
The present invention operation principle be：Two sensors 1 separated by a distance are set in lay-by front end, in lay-by
Rear end sets two sensors 1 separated by a distance, and sensor 1 passes through the sound and light alarm on signal wire 2 and rear end warning sign 3
Device is connected, and audible-visual annunciator is made by LED charactrons 10 and loudspeaker 9, when the priority of vehicle 8 presses through two sensors 1 of one end,
Corresponding speed measuring device 4 measures car speed, calculates vehicle and is warned by lay-by required time, and in the lay-by other end
Showing will be come out in the LED charactrons 10 on board 3 by lay-by time showing, and be alarmed, to prompt the vehicle on opposite.
Present invention utilizes electromagnetic induction principle, is given more in time to the vehicle 8 in lay-by rear and front end in advance
Provocative warning, both sides driver is made anticipation, avoid occurring to scrape with correct car, clash.
The beneficial effects of the invention are as follows：
（1）Overcome and lay-by is provided only with existing narrow one way access, but the shortcomings that no any prompting；
（2）The prompting for the vehicle progress hommization that will reach lay-by can be given, improves the security of meeting, therefore avoid handing over
The effect of interpreter's event greatly improves；
（3）Device design is simple, and cost is low；
（4）The intelligent reminding device is powered using solar panel without external power supply, saves the energy.
Brief description of the drawings
Fig. 1 is the main vertical view face schematic diagram of apparatus of the present invention；
Fig. 2 is the schematic diagram of apparatus of the present invention coil detection device；
Fig. 3 is the electrical block diagram of apparatus of the present invention control circuit 7.
In figure respectively marked as：1- sensors, 2- signal wires, 3- warning signs, 4- speed measuring devices, 5- solar panels, 6-
Battery, 7- control circuits, 8- vehicles, 9- loudspeaker, 10-LED charactrons, 11- single-chip microcomputers, 12-LED lamps.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is further illustrated.
Embodiment 1：As Figure 1-3, a kind of one-way road road meeting intelligent reminding device, sets in lay-by road front end
Two front end sensors 1 and front end warning sign 3 and front end speed measuring device 4 are put, end sensor after setting two in lay-by road rear end
1st, electric drive sound and light alarm is respectively arranged with rear end warning sign 3 and rear end speed measuring device 4, front end warning sign 3 and rear end warning sign 3
Device, audible-visual annunciator includes loudspeaker 9 and LED charactrons 10, and in lay-by front end, two front end sensors 1 are arranged at intervals and difference
It is connected by front end signal line 2 with rear end control circuit 7, then rear end control circuit 7 is connected respectively to the sound of rear end warning sign 3
On light crossing-signal, rear end speed measuring device 4, rear end speed measuring device 4 is connected with two front end sensors 1 simultaneously, in lay-by rear end, two
End sensor 1 is arranged at intervals and is connected respectively by back end signal line 2 with front-end controlling circuit 7 afterwards, then front-end controlling circuit 7
Be connected to the audible-visual annunciator of front end warning sign 3, on front end speed measuring device 4, front end speed measuring device 4 simultaneously with two after end sensor
1 is connected, and end sensor 1 uses inductance coil after two front end sensors 1 and two, and described front-end controlling circuit 7 is controlled with rear end
The structure of circuit 7 processed is identical, and control circuit 7 includes single-chip microcomputer 11, signal amplification circuit, low frequency oscillation circuit, signal amplification circuit
It is connected with one end of low frequency oscillation circuit, the other end of low frequency oscillation circuit is connected with single-chip microcomputer 11.
Supply unit is respectively arranged with described front end warning sign 3 and rear end warning sign 3, supply unit includes solar cell
Plate 5, battery 6, solar panel 5 are connected with battery 6, and battery 6 connects with corresponding control circuit 7.The present invention adopts
It is powered with solar panel 5, when sunny and vehicle is less, solar panel 5 charges to battery 6, will
In battery 6, battery 6 charges electrical power storage to control circuit 7 again, can effectively utilize solar energy resources, energy-conserving and environment-protective.
Also include being separately mounted to LED 12 on front end warning sign 3 and rear end warning sign 3, LED 12 respectively with it is corresponding
Single-chip microcomputer 11 in control circuit 7 connects.When sensor 1 detect no vehicle 8 by when, by controlling AT89C5l monolithics
11 points of machine gives a green light 12 so that the vehicle on lay-by opposite can be trusted and passed through now without vehicle 8 by lay-by；Work as sensing
Device 1 detected vehicle 8 by when, send out a warning 12 by controlling 11 points of AT89C5l single-chip microcomputers so that the vehicle on lay-by opposite
Pay attention to now there is vehicle 8 by lay-by, it is necessary to carefully pass through.
The described both ends of control circuit 7 are also connected with charging capacitor, and charging capacitor connects with corresponding battery 6 simultaneously.
When battery 6 charges to control circuit 7, first charging capacitor is charged, prevented because battery 6 is because of factors such as voltage instabilities, it is right
Circuit impacts, and charging capacitor plays cushioning effect.
The model AT89C51 of described single-chip microcomputer 11.
A kind of control method of one-way road road meeting intelligent reminding device, comprises the following steps：
Step 1, the sensor 1 of lay-by rear and front end do not detect vehicle 8 by when, control circuit 7 control LED 12 it is bright
Green light, audible-visual annunciator are closed；
Step 2, when rear and front end sensor 1 detects vehicle, pressure signal is changed into electric signal by rear and front end sensor 1；
Step 3, the electric signal after conversion is inputted in speed measuring device 4 and control circuit 7 simultaneously, and speed measuring device 4 passes according to front end two
The distance between sensor 1 and vehicle calculate car speed by the time of front end two sensorses 1, or according to rear end two sensorses
The distance between 1 and vehicle car speed is calculated by the time of rear end two sensorses 1, and will be calculated by signal wire 2
Car speed be passed to single-chip microcomputer 11 in, control circuit 7 is amplified by input electrical signal, low frequency oscillation processing after also by signal
Line 2 is sent into single-chip microcomputer 11；
Step 4, single-chip microcomputer 11 handles the distance meter of input signal, the car speed detected according to speed measuring device 4 and lay-by
Estimated time of the vehicle by lay-by is calculated, single-chip microcomputer 11 is converted into corresponding control signal to control audible-visual annunciator, LED
12 work, when rear end vehicle is by rear end two sensorses 1 on front end warning sign 3, LED 12 sends out a warning, LED charactrons 10
Display rear end vehicle is piped by lay-by estimated time, loudspeaker 9, when front end vehicle is by front end two sensorses 1 in rear end
On warning sign 3, LED 12 sends out a warning, and LED charactrons 10 show estimated time of the front end vehicle by lay-by, and loudspeaker 9 ring
Cry, to prompt driver to pay attention to road speed.
Illustrate below and the present invention is specifically described：
The detector system of vehicle 8 forms as shown in Figure 2,3, and AT89C51 single-chip microcomputers 11 are to vehicle by way of electric caused by sensor 1
Sense change is compared with reference frequency f0, when change frequency is more than or equal to a certain difference, the output control of single-chip microcomputer 11 letter
Number.
As shown in figure 3, form signal amplification circuit by inductance component B1, triode Q1, electric capacity C1, electric capacity C2, resistance R1,
Resistance R2, resistance R3 etc. form low-frequency oscillatory network, and a sensor 1 in the external one end of port D1, D2, port D3, D4 connect
Another sensor 1 in one end, form vehicle sensor circuit.Moment is powered up, electric current is through resistance R3 to electric capacity C2, secondary coil
L2 charges, and a points are high potential, and because electric capacity C1 effects rise triode Q1 base potentials, collector potential declines, when three poles
When pipe Q1 collector potential is less than a points, power supply no longer charges to electric capacity C2, and the magnetic energy now assembled on inductance component B1 will
Discharged in the form of electric energy, and the direction for changing original charging current continues to charge to electric capacity C2, triode Q1 base stage
Higher current potential is remained in that, the current potential of colelctor electrode continues to decline, after inductance component B1 discharges, triode Q1 base stage
Lose the support of high potential.Collector potential bottom out, start to charge to electric capacity C2 again after returning and being elevated above a point current potentials,
So go round and begin again.
When vehicle is by way of inductance coil, the inductance of sensor 1 increases, and is equivalent to inductance component B1 primary coil L1 portions
Separated time circle short circuit so that inductance component B1 inductance reduces, and frequency of oscillation rises to f1 from former f0.Frequency difference is equal to f1-f0.From frequency
Whether rate changes with regard to vehicle can be reflected by sensor 1.Signal Uo is sent into after electric capacity C3 is by 4069 NOT gate U1 shapings
The P3.2 pins of AT89C5l single-chip microcomputers 11 are counted.
Two sensors 1 are installed in lay-by front end to be connected with rear end warning sign 3, two sensings are installed in lay-by rear end
Device 1 is connected with rear end warning sign 3, and the top of warning sign 3 is equipped with LED 12 and electrically driven (operated) sound as caused by solar panel 5
Light crossing-signal, audible-visual annunciator are made up of loudspeaker 9 and LED charactrons 10, when no vehicle 8 by when, by controlling AT89C5l
11 points of single-chip microcomputer gives a green light 12, and when vehicle 8 is by the coil, the irony with vehicle sheet will change the magnetic flux in coil,
Causing the change of wire loop inductance value, change of the speed measuring device 4 by detecting the inductance value obtains different signals, and letter
Number it is delivered to by signal wire in AT89C51 single-chip microcomputers 11, vehicle speed is calculated using following formula 1 by Coil Detector
Degree, vehicle program is calculated by the lay-by time by following formula 2, then by controlling AT89C5l single-chip microcomputers 11 will
Vehicle 8 is expected the time showing by lay-by on charactron 10, and simultaneously by controlling AT89C5l single-chip microcomputers 11 to make loudspeaker
9 work.
Inductance coil detection method be specially：The detection of twin coil is to set two respectively in the rear and front end of lay-by
Sensor 1, and two sensors 1 are provided with a certain distance, as shown in the explanation accompanying drawing 2, it is assumed that the lay-by of road away from
From for S, the two sensorses 1 of road one end are at a distance of S ', and the time that vehicle 8 reaches first sensor 1 in one end is Ta, vehicle 8
The time for reaching another sensor 1 in one end is Tb, and speed measuring device 4 measures vehicle 8 and is by the speed of one end two sensorses 1
V,
V=S '/(Tb-Ta) formula 1
It is contemplated that the time that vehicle 8 passes through lay-by is T：
T=S/V=S (Tb-Ta)/S ' formula 2
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to this practical design and
Protection domain is defined, and without departing from the inventive concept of the premise, ordinary skill technical staff is to the present invention in this area
The all variations and modifications made of technical scheme, all should be within protection scope of the present invention.
Claims (6)
- A kind of 1. one-way road road meeting intelligent reminding device, it is characterised in that：Two front ends are set to pass in lay-by road front end Sensor（1）With front end warning sign（3）And front end speed measuring device（4）, end sensor after setting two in lay-by road rear end（1）、 Rear end warning sign（3）And rear end speed measuring device（4）, front end warning sign（3）With rear end warning sign（3）On be respectively arranged with electric drive acousto-optic Alarm, audible-visual annunciator include loudspeaker（9）And LED charactrons（10）, in lay-by front end, two front end sensors（1）Interval Set and pass through front end signal line respectively（2）With rear end control circuit（7）Connect, then rear end control circuit（7）Connect respectively To rear end warning sign（3）Audible-visual annunciator, rear end speed measuring device（4）On, rear end speed measuring device（4）Sensed simultaneously with two front ends Device（1）Connection, the end sensor behind lay-by rear end, two（1）It is arranged at intervals and passes through back end signal line respectively（2）Controlled with front end Circuit processed（7）Connect, then front-end controlling circuit（7）It is connected to front end warning sign（3）Audible-visual annunciator, front end speed measuring device （4）On, front end speed measuring device（4）Simultaneously with two after end sensor（1）Connection, two front end sensors（1）With two after end sensor （1）Use inductance coil, described front-end controlling circuit（7）With rear end control circuit（7）Structure is identical, control circuit（7） Including single-chip microcomputer（11）, signal amplification circuit, low frequency oscillation circuit, one end of signal amplification circuit and low frequency oscillation circuit connects Connect, the other end and single-chip microcomputer of low frequency oscillation circuit（11）Connection.
- 2. one-way road road meeting intelligent reminding device according to claim 1, it is characterised in that：Front end warning sign（3） With rear end warning sign（3）On be respectively arranged with supply unit, supply unit includes solar panel（5）, battery（6）, solar energy Cell panel（5）With battery（6）Connection, battery（6）With corresponding control circuit（7）Connection.
- 3. one-way road road meeting intelligent reminding device according to claim 1, it is characterised in that：Also include installing respectively In front end warning sign（3）With rear end warning sign（3）Upper LED（12）, LED（12）Respectively with corresponding control circuit（7）In Single-chip microcomputer（11）Connection.
- 4. one-way road road meeting intelligent reminding device according to claim 1, it is characterised in that：Control circuit（7）Two End is also connected with charging capacitor, charging capacitor simultaneously with corresponding battery（6）Connection.
- 5. the one-way road road meeting intelligent reminding device according to claim any one of 1-4, it is characterised in that：Described Single-chip microcomputer（11）Model AT89C51.
- A kind of 6. control method of one-way road road meeting intelligent reminding device, it is characterised in that：Comprise the following steps：Step 1, the sensor of lay-by rear and front end（1）Do not detect vehicle 8 by when, control circuit (7) control LED （12）Give a green light, audible-visual annunciator is closed；Step 2, rear and front end sensor（1）When detecting vehicle, rear and front end sensor（1）Pressure signal is changed into telecommunications Number；Step 3, the electric signal after conversion inputs speed measuring device simultaneously（4）And control circuit（7）In, speed measuring device（4）According to preceding Hold two sensorses（1）The distance between and vehicle pass through front end two sensorses（1）Time calculate car speed, or according to rear Hold two sensorses（1）The distance between and vehicle pass through rear end two sensorses（1）Time calculate car speed, and pass through letter Number line（2）The car speed calculated is passed to single-chip microcomputer（11）In, control circuit（7）Input electrical signal is amplified, low frequency Also by signal wire after concussion processing（2）It is sent into single-chip microcomputer（11）In；Step 4, single-chip microcomputer（11）Input signal is handled, according to speed measuring device（4）The car speed that detects and lay-by away from From calculating estimated time of the vehicle by lay-by, single-chip microcomputer（11）Corresponding control signal is converted into control sound and light alarm Device, LED（12）Work, when rear end vehicle passes through rear end two sensorses（1）When in front end warning sign（3）On, LED（12）It is bright Red light, LED charactrons（10）Display rear end vehicle passes through lay-by estimated time, loudspeaker（9）Pipe, when front end, vehicle passes through preceding Hold two sensorses（1）When in rear end warning sign（3）On, LED（12）Send out a warning, LED charactrons（10）Display front end vehicle leads to Cross the estimated time of lay-by, loudspeaker（9）Pipe, to prompt driver to pay attention to road speed.
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Cited By (5)
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| CN108442266A (en) * | 2018-05-17 | 2018-08-24 | 华南理工大学 | A kind of solar energy bicycle road Class IV highway meeting caution system |
| CN108615373A (en) * | 2018-05-10 | 2018-10-02 | 西南交通大学 | A kind of uniline restricted section of road two-direction road intelligence control system |
| WO2021111045A1 (en) * | 2019-12-05 | 2021-06-10 | Psa Automobiles Sa | Detecting and defining a right of way in an area with an alternating traffic system |
| CN113763728A (en) * | 2021-09-17 | 2021-12-07 | 青岛海信网络科技股份有限公司 | Traffic organization and signal timing collaborative optimization method, device and equipment |
| RU2795259C1 (en) * | 2019-10-15 | 2023-05-02 | Хонор Дивайс Ко., Лтд. | Touch screen, electronic device and display control method |
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Application publication date: 20171229 |