CN108806276A - A kind of novel intelligent traffic system and its operation method - Google Patents
A kind of novel intelligent traffic system and its operation method Download PDFInfo
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- CN108806276A CN108806276A CN201810390221.2A CN201810390221A CN108806276A CN 108806276 A CN108806276 A CN 108806276A CN 201810390221 A CN201810390221 A CN 201810390221A CN 108806276 A CN108806276 A CN 108806276A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/048—Detecting movement of traffic to be counted or controlled with provision for compensation of environmental or other condition, e.g. snow, vehicle stopped at detector
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- 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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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention discloses a kind of novel intelligent traffic system and its operation method, the system includes data management module, vehicle monitoring module, weather monitoring module, electronic speed limit display screen and power supply module, the present invention by the vehicle monitoring module by being laid on the travel speed and section information of vehicle flowrate that road surface monitors vehicle in real time, it can effectively monitor whether vehicle drives over the speed limit, and the information of violation vehicle is identified by Radio Frequency Identification Technology, to effectively supervise traffic order;The weather monitoring module for monitoring weather conditions in real time, when there are the bad weathers such as sleet, dense fog, haze, the data management module can accordingly adjust speed limit index and be shown by the electronic speed limit display screen, it prevents from driving over the speed limit due to bad weather low visibility causes driver not see speed limitation board, to reduce traffic accident.
Description
Technical field
The invention belongs to intelligent transportation field, specifically a kind of novel intelligent traffic system and its operation method.
Background technology
With the rapid development of modern economy and modern society, traffic also has the safety guarantee problem of carrier slowly
While starting the focus of attention and the breach as modern technologies, the demand with people to traffic administration is slowly got higher,
How the high-new modern technologies such as Computer Subject also communication, microelectronics are used in the monitoring, management and friendship of vehicular traffic
In the control being open to traffic, with ensure traffic safety and driving it is smooth, and then the quality for improving traffic environment have it is critically important
Meaning.
The monitoring of vehicle, management are mainly monitored by the way that the speed limit photo module in roadside is arranged in the prior art
The travel speed of vehicle, to judge whether vehicle exceeds the speed limit, however present vehicle interior can all fill navigation module, when front has
When speed limit photo module, navigation module can prompt car owner to slow down, once having crossed monitoring section, cannot monitor the traveling of vehicle
Speed;And existing the intensive traffic section speed limit index is fixed, however work as and the severe day such as sleet, dense fog or haze occur
When gas, speed limit index and common weather to vehicle are different, and existing the intensive traffic section cannot be according to weather conditions spirit
It is living to change speed limit index, to be easy to cause traffic accident in bad weather.
Invention content
In response to the problems existing in the prior art, the purpose of the present invention is to provide a kind of novel intelligent traffic system, by
Road surfacing vehicle monitoring module, hidden can be monitored vehicle, effectively limits overspeed of vehicle;And the gas in the present invention
It as monitoring modular can also monitor weather conditions in real time, and provides corresponding speed limit according to actual weather conditions and prompts, pass through electricity
Sub- speed limit display screen is shown, to reduce the traffic accident caused by bad weather.
To achieve the above object, the technical solution adopted by the present invention is:
A kind of novel intelligent traffic system, including data management module and the vehicle that is electrically connected with the data management module
Monitoring modular, electronic speed limit display screen and power supply module;The data management module is for receiving, handling, storing and uploading
Data information detected by the vehicle monitoring module;The electronic speed limit display screen carries out speed limit for road pavement vehicle and carries
It wakes up;The vehicle monitoring module include multigroup photosensitive sensor and/or multigroup ultrasonic sensor, photosensitive switch control unit,
Counting unit, test the speed unit and radio frequency identification unit, and the vehicle monitoring module is laid on road surface, for monitoring section in real time
Road conditions, vehicle flowrate and Vehicle Speed.
The present invention detects air visibility by the photosensitive sensor, and detection data is sent to the data management
Module, the data management module obtains suitable road speed limit index according to the analysis of air visibility, and passes through the electronics
Speed limit display screen is shown;The vehicle monitoring module is used to monitor daily road traffic, speed and traffic information, and will
Monitoring data are sent to the data management module, and the data management module again stores daily information of vehicle flowrate simultaneously
Vehicle supervision department is uploaded to, traffic information includes mainly congestion in road and illegal parking phenomenon, once there is overspeed of vehicle traveling
Or the identity information of car owner and information of vehicles and violation evidence can be sent to traffic by illegal parking, the vehicle monitoring module
Administrative department.
Specifically, the photosensitive sensor/ultrasonic sensor is also associated with timer, starts to count when sensor-triggered
When, the photosensitive sensor converts optical signals to electric signal, when there is vehicle to cross road surface, is located at the photosensitive sensor on road surface
The instantaneous variation that can detect optical signal, when vehicle crosses one group of photosensitive sensor, the unit that tests the speed is according to optical signal wink
Between the distance between time for changing and one group of photosensitive sensor can calculate the length and travel speed of vehicle;The ultrasound
Wave sensor to upper pavement surface by emitting ultrasonic signal, when there is vehicle to cross road surface, the ultrasonic sensor energy horse
On receive reflected ultrasonic signal, when vehicle crosses one group of ultrasonic sensor, you can pass through the list that tests the speed
Member calculates the length and travel speed of vehicle;When a photosensitive sensor/ultrasonic sensor detects that signal transient changes
When, the counting unit remembers a number, to be counted to the vehicle flowrate of road.
Specifically, in multigroup photosensitive sensor/ultrasonic sensor each group set there are two photosensitive sensor/ultrasound
Wave sensor, and the distance between described two photosensitive sensor/ultrasonic sensors are fixed.
Photosensitive sensor/the ultrasonic sensor is used to road pavement vehicle and tests the speed;The photosensitive sensor is also
For measuring air visibility.
Specifically, the photosensitive switch control unit and multigroup photosensitive sensor, multigroup ultrasonic sensor, counting
Unit, the unit that tests the speed electrical connection replace the photosensitive sensor work for controlling the ultrasonic sensor under no light condition
Make;
The alternation of the photosensitive sensor and ultrasonic sensor is realized by the photosensitive switch control unit, both
The monitoring to vehicle can be similarly realized at night, while can also reduce the burden of sensor, avoid working long hours and damaging.
Specifically, the radio frequency identification unit includes the radio-frequency card installed in the car and the reader on road surface, institute is arranged
The information for stating identity information and vehicle that car owner is stored in radio-frequency card, photosensitive sensor/ultrasonic sensor described in every group it
Between be equipped with the reader;
When vehicle crosses one group of photosensitive sensor/ultrasonic sensor, the reader is must travel, if there is vehicle super
Speed traveling, then the reader is the identity information and vehicle that can recognize that car owner by the radio-frequency card read and write in the over-speed vehicles
Information, be not detected to prevent overspeed of vehicle.
Specifically, the data management module includes data receipt unit, data processing unit, data storage cell and number
According to transmission unit;
Specifically, the intelligent transportation system further includes weather monitoring module, and the weather monitoring module includes that temperature passes
Sensor and humidity sensor;For detecting atmospheric temperature and pavement temperature, the humidity sensor is used for the temperature sensor
Detect atmospheric humidity and pavement humidity, the weather monitoring module is by the monitoring data of the temperature sensor, humidity sensor
It is sent to the data management module in real time.
The data letter that the data receipt unit is used to receive the vehicle monitoring module and meteorological monitoring modular detects
Breath, the data processing unit are used to carry out analyzing processing to the data information received, and vehicle on road is calculated and travels
Speed and section traffic information, and analyzed in real time according to weather data and obtain suitable speed limit index;The data
Storage unit is for storing rule-breaking vehicle information, daily information of vehicle flowrate and weather conditions information;The data transmission unit
The rule-breaking vehicle information, daily information of vehicle flowrate and weather conditions information are sent to vehicle supervision department.
Specifically, the electronic speed limit display screen is arranged in the highway both sides for the electronic speed limit display screen setting
In the highway both sides, driver's real time inspection speed limit index can be facilitated, avoid driving over the speed limit.
Preferably, the intelligent transportation system is applied on photovoltaic highway, and the vehicle monitoring module is laid on photovoltaic road
Face, the electronic speed limit display screen are arranged on the photovoltaic highway both sides and/or photovoltaic road surface, and the intelligent transportation system is direct
By the storage battery power supply of the photovoltaic highway.
A kind of operation method of novel intelligent traffic system, includes the following steps:
Step A, air visibility is measured by photosensitive sensor, and Atmosphere temp.and RH and road are measured by weather monitoring module
The data that the photosensitive sensor and the weather monitoring module measure are sent to data management module by face humiture;
Step B, the data management module combination air visibility, Atmosphere temp.and RH and the analysis of road surface humiture obtain phase
The weather conditions answered, and corresponding speed limit index is calculated according to weather conditions, the data management module refers to the speed limit
Mark is sent to electronic speed limit display screen and carries out speed limit reminding;
Step C, by the multigroup photosensitive sensor/ultrasonic sensor, counting unit and the unit that tests the speed that are laid on road surface
Speed, vehicle flowrate and the traffic information of road pavement vehicle measure, and speed, vehicle flowrate and traffic information are sent to data
Management module is stored and is uploaded;
The reading between one group of photosensitive sensor/ultrasonic sensor is arranged when having detected overspeed of vehicle in step D
Device is write by reading the radio-frequency card of installation in the car to obtain the identity information and information of vehicles of violation driver.
Compared with prior art, the beneficial effects of the invention are as follows:(1) present invention by vehicle monitoring module by being laid on road
Face can promote the concealment and validity of vehicle monitoring, and body is carried out by the driving vehicle in Radio Frequency Identification Technology road pavement
Part identification, can effectively prevent vehicle missing inspection, the present invention can not only accurate measurements road vehicles travel speed, moreover it is possible to road conditions
Information carries out accurate control;(2) present invention can not only carry out weather conditions by the way that weather monitoring module is arranged in highway both sides
Accurately monitoring in real time, moreover it is possible to change road surface speed limit index according to weather conditions, to reduce the traffic caused by bad weather
Accident;(3) present invention replaces road pavement vehicle by photosensitive sensor and ultrasonic sensor and is monitored, can not only be at night
Reach monitoring effect same with daytime, moreover it is possible to prevent sensor from being damaged because working long hours, to ensure the vehicle
The stability of monitoring modular.
Description of the drawings
Fig. 1 is a kind of novel intelligent traffic system overall structure block diagram of the present invention;
Fig. 2 is data management module structure diagram in the present invention;
Fig. 3 is weather monitoring modular structure block diagram in the present invention;
Fig. 4 is vehicle monitoring modular structure block diagram in embodiment 1;
Fig. 5 is vehicle monitoring modular structure block diagram in embodiment 2;
Fig. 6 is vehicle monitoring modular structure block diagram in embodiment 3;
In figure:1, data management module;101, data receipt unit;102, data processing unit;103, data storage is single
Member;104, data transmission unit;2, vehicle monitoring module;201, photosensitive sensor;202, ultrasonic sensor;203, photosensitive to open
Close control unit;204, counting unit;205, test the speed unit;206, radio frequency identification unit;207, pressure sensor;208, it weighs
Unit;209, alarm sounds unit;2010, electric signal monitoring unit;2011, timing unit;3, weather monitoring module;301, warm
Spend sensor;302, humidity sensor;303, visibility sensor;4, electronic speed limit display screen;5, power supply module.
Specific implementation mode
Below in conjunction with the attached drawing in the present invention, technical scheme of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, all other embodiment that those of ordinary skill in the art are obtained under the conditions of not making creative work belong to
The scope of protection of the invention.
Embodiment 1
As shown in Figures 1 to 4, present embodiments provide a kind of novel intelligent traffic system, including data management module 1 and
Vehicle monitoring module 2, weather monitoring module 3, electronic speed limit display screen 4 and the power supply being electrically connected with the data management module 1
Module 5;The data management module 1 is for receiving, handling, storing and uploading the vehicle monitoring module 2 and weather monitoring mould
Vehicle, meteorological data information detected by block 3;The setting of weather monitoring module 3 is in highway both sides, for monitoring day in real time
Monitoring data are simultaneously sent to the data management module 1 by vaporous condition, and the data management module 1 is according to the weather monitoring mould
The data that block 3 monitors carry out speed limit traveling to the vehicle in the section by the electronic speed limit display screen 4 and remind;The vehicle prison
It surveys module 2 and is laid on road surface, road conditions, vehicle flowrate and Vehicle Speed for monitoring the section in real time.
Specifically, the vehicle monitoring module 2 includes multigroup photosensitive sensor 201, multigroup ultrasonic sensor 202, light
Quick switch control unit 203, counting unit 204, test the speed unit 205 and radio frequency identification unit 206;The photosensitive sensor 201/
Ultrasonic sensor 202 is also associated with timer, starts timing when sensor-triggered;
Further, in 201/ ultrasonic sensor 202 of multigroup photosensitive sensor each group set there are two photosensitive biography
201/ ultrasonic sensor 202 of sensor, and the distance between 201/ ultrasonic sensor 202 of described two photosensitive sensors is solid
Fixed L rice, it is assumed that the headstock of a vehicle is T1 by the time used in one group of 201/ ultrasonic sensor 202 of photosensitive sensor,
And this vehicle is integrally T2 by the time used in 201/ ultrasonic sensor 202 of photosensitive sensor, then it can be by the survey
The instantaneous velocity that fast unit 205 is calculated when this vehicle crosses this group of 201/ ultrasonic sensor 202 of photosensitive sensor is L/
T1, length of wagon are (L/T1) * T2;
Further, the photosensitive switch control unit 203 is passed with multigroup photosensitive sensor 201, multigroup ultrasonic wave
Sensor 202, counting unit 204, the unit 205 that tests the speed electrical connection, for controlling the ultrasonic sensor 202 under no light condition
It works instead of the photosensitive sensor 201;
Under the conditions of having light (daytime), the photosensitive switch control unit 203 control the photosensitive sensor 201 with it is described
Counting unit 204, the unit 205 that tests the speed electrical connection, and disconnect the ultrasonic sensor 202 and the counting unit 204, test the speed
The electrical connection of unit 205;Under conditions of unglazed (night), the photosensitive switch control unit 203 controls the ultrasonic wave and passes
Sensor 202 is electrically connected with the counting unit 204, the unit 205 that tests the speed, and disconnects the photosensitive sensor 201 and the counting
The electrical connection of unit 204, the unit 205 that tests the speed;The photosensitive sensor 201 is realized by the photosensitive switch control unit 203
With the alternation of ultrasonic sensor 202, the monitoring to vehicle can be similarly realized at night, while sensing can also be reduced
The burden of device avoids working long hours and damaging.
Further, the radio frequency identification unit 206 includes the radio-frequency card installed in the car and the read-write on road surface is arranged
Device is stored with the identity information of car owner and the information of vehicle in the radio-frequency card, 201/ ultrasonic wave of photosensitive sensor described in every group
Reader there are one being all provided between sensor 202;
It is realized and is communicated to connect by microwave 5.8GHz frequency ranges between the reader and radio-frequency card, communication distance can reach 8
~30 meters, if there is overspeed of vehicle traveling, the reader is by reading and writing the i.e. recognizable vehicle of the radio-frequency card in the over-speed vehicles
The information of main identity information and vehicle, is not detected to prevent overspeed of vehicle.
Specifically, the data management module 1 includes data receipt unit 101, data processing unit 102, data storage
Unit 103 and data transmission unit 104;The data processing unit 102 is microcontroller, and the data storage cell 103 is hard
Disk.
Specifically, the weather monitoring module 3 includes temperature sensor 301, humidity sensor 302 and visibility sensor
303, the temperature sensor 301 for monitoring road surface and atmospheric temperature, the humidity sensor 302 for monitor road surface and
Atmospheric humidity, the visibility sensor 303 is for monitoring atmospheric visibility.
Specifically, the electronic speed limit display screen 4 setting passes through and electronics is arranged on the highway both sides or the/road surface
Speed limit display screen 4 also can well show speed limit index at night and the lower weather of visibility, avoid driver because of nothing
Method sees speed limitation board clearly and drives over the speed limit.
Embodiment 2
As shown in figure 5, present embodiments provide a kind of novel intelligent traffic system, with above-described embodiment 1 difference lies in,
The vehicle monitoring module 2 further includes multiple pressure sensors 207 and weighing unit 208;
Specifically, the pressure sensor 207 is arranged between one group of 201/ ultrasonic sensor 202 of photosensitive sensor,
The weighing unit 208 is weighing circuit, and the pressure sensor 207 is electrically connected with the weighing circuit;When there is vehicle process
When the pressure sensor 207, the weight of the vehicle, while radio frequency identification unit 206 can be calculated in the weighing circuit
It identifies information of vehicles and car owner's identity information, judges whether this vehicle overloads by microcontroller according to vehicle;
Specifically, the vehicle monitoring module 2 further includes the alarm sounds unit 209 of installation in the car, and the alarm carries
Show that unit 209 includes warning light and loud speaker, when monitoring overspeed of vehicle or overload, in the data management module 1
Data transmission unit 104 can send alarm sounds to the alarm sounds unit 209, and the warning light can send out a warning, and described
Loud speaker can prompt the prompt tones such as " you have exceeded the speed limit " or " you have overloaded ".
Embodiment 3
As shown in fig. 6, a kind of intelligent transportation system applied to photovoltaic highway is present embodiments provided, with above-described embodiment
1,2 difference lies in, in the present embodiment vehicle monitoring module include electric signal monitoring unit 2010, timing unit 2011, ultrasound
Wave sensor 202, photosensitive switch control unit 203 and radio frequency identification unit 206, the configuration of vehicle monitoring module 2 is in photovoltaic
In the photovoltaic panel of highway, for monitoring Vehicle Speed in real time;
Preferable in light intensity, the photosensitive switch control unit 203 controls the electric signal monitoring unit
2010 are electrically connected with the counting unit 204, the unit 205 that tests the speed, and it is single with the counting to disconnect the ultrasonic sensor 202
The electrical connection of member 204, the unit 205 that tests the speed;It is described when monitoring vehicle by one piece of photovoltaic panel by the vehicle monitoring module 2
The change in electric of photovoltaic panel and the duration of change in electric, and the data monitored are sent to the data management mould
Block 1, duration and the single light of the data management module 1 according to the single photovoltaic panel power on signal variation monitored
The both ends distance computation of volt plate obtains the travel speed of vehicle;The data management module 1 is according to the multiple photovoltaic panels monitored
On change in electric analysis obtain the multiple photovoltaic panel where section intensity of illumination variation, and according to the intensity of illumination
Mutation analysis obtains the weather conditions in the section, and then obtains the speed limit instruction in the section, and is shown by electronic speed limit
4 couples of vehicle drivers of screen carry out speed limit reminding;In the case where light intensity is weaker, the photosensitive switch control unit 203 is controlled
It makes the ultrasonic sensor 202 to be electrically connected with the counting unit 204, the unit 205 that tests the speed, and disconnects the electric signal monitoring
Unit 2010 and the counting unit 204, the unit 205 that tests the speed are electrically connected;It is realized by the photosensitive switch control unit 203
The alternation of the electric signal monitoring unit 2010 and ultrasonic sensor 202 can similarly be realized at night to vehicle
Monitoring, while the burden of the ultrasonic sensor 202 and electric quantity monitoring unit 2010 can also be reduced, avoid working long hours
And it damages.
Specifically, data processing unit 102 includes estimator, described when vehicle drives through in one piece of photovoltaic panel
Estimator is configured as the spacing of the duration and the photovoltaic panel both ends that change based on the photovoltaic panel power on signal come really
Determine the travel speed of vehicle.
Specifically, the electric signal monitoring unit 2010 is used to monitor voltage, electric current, power, the electricity etc. in photovoltaic panel;
Further, when vehicle drives through in one piece of photovoltaic panel, the estimator is configured as being based on the light
The spacing of duration and the photovoltaic panel both ends that plate power on signal changes are lied prostrate to determine the travel speed of vehicle.Actually answering
In, the photovoltaic panel is crystal silicon solar plate, size 2000*1000*35mm, rated power 180W, transfer efficiency
It is 80%, the both ends center of photovoltaic panel is equipped with terminal A, B, the distance L=2000mm of terminal A to terminal B, when no vehicle row
When sailing by the photovoltaic panel, output power W1=W* η=180*80%=140W of the photovoltaic panel are passed through when there is vehicle traveling
When crossing the photovoltaic panel, the front part of vehicle passes through terminal A, and the output power W1 starts to continuously decrease, until the vehicle
Front reaches terminal B, and the output power bottoms out W2, at this point, the photovoltaic panel is sheltered from completely by vehicle, it can not
The direct irradiation of light is obtained, but the indirect illumination of acquisitions such as the reflection, the scattering that are radiated at the light on adjacent photovoltaic plate can be passed through
It penetrates, and then is converted to lower output power, W2 is defined as W2=W1*10%=14W, the timing unit 2011 here
It is 0.12S that monitoring, which obtains the time that the output power drops to W2 from W1, keeps the output power in W2 ever since, until
The vehicle tail traveling leaves terminal A, and the time that the output power is maintained at W2 is 0.18S, and the output power starts
It gradually rises, until W1, the vehicle tail traveling leaves terminal B at this time, and the output power is increased to the time of W1 from W2
The travel speed v=60KM/h of vehicle is calculated, passes through the travel speed of vehicle according to speed formula v=L/t for 0.12S
V and the output power are maintained at the time of W2, and the length S=5m of vehicle is calculated.
Specifically, the electric signal monitoring unit 2010 monitors the variation of the output power of multiple photovoltaic panels, the number
The intensity of illumination in section changes where obtaining multiple photovoltaic panels according to the variation of output power according to processing unit 102, the data
The illumination for the common weather that processing unit 102 changes and is stored in the data storage cell 102 according to the intensity of illumination
The intensity table of comparisons can be analyzed to obtain the weather conditions in the section.
Specifically, the intensity of illumination table of comparisons of the common weather includes:The illumination intensity value of fine day is 30000-
300000lx, cloudy illumination intensity value are 3000-10000lx, are equivalent to 1%-10% when fine day, light when sunrise sunset
It is 300lx according to intensity value, is equivalent to 0.1%-1% when fine day, the illumination intensity value at night is 0.001-0.02lx, is equivalent to
3.3e-9~6.7e-7 when fine day direct sunlight ground;And at the cloudy day, the electric signal monitoring unit 2010 monitors light
The gross output of volt plate drops to 1%;
Further, it present embodiments provides section speed limit index and monitors photovoltaic with the electric signal monitoring unit 2010
Relationship between the gross output of plate:
When the gross output of the photovoltaic panel drops to 0.005%~0.01%, section speed limit is 40km/h;
When the gross output of the photovoltaic panel drops to 0.001%~0.005%, section speed limit is 30km/h;
When the gross output of the photovoltaic panel drops to 0.001% or less, section speed limit is 20km/h.
Embodiment 4
It present embodiments provides under the weather of the low visibility such as rain, snow, dense fog, hail, the limit of electronic speed limit display screen 4
Fast index;
For air visibility when within 50 meters, section speed limit is less than 20km/h, and vehicle should be sailed out of from nearest outlet as early as possible
Highway;
For air visibility when within 50~100 meters, section speed limit is less than 40km/h, and fore-aft vehicle should be kept other than 50 meters
Safe distance;
Air visibility when within 100~200 meters, section speed limit be less than 60km/h, fore-aft vehicle should keep 100 meters with
Outer safe distance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of novel intelligent traffic system, which is characterized in that including data management module (1) and with the data management mould
Vehicle monitoring module (2), electronic speed limit display screen (4) and the power supply module (5) of block (1) electrical connection;The data management module
(1) it is used to receiving, handle, store and uploading the data information detected by the vehicle monitoring module (2);The electronic speed limit
Display screen (4) carries out speed limit reminding for road pavement vehicle;The vehicle monitoring module (2) includes multigroup photosensitive sensor
(201) and/or multigroup ultrasonic sensor (202), photosensitive switch control unit (203), counting unit (204), test the speed unit
(205) and radio frequency identification unit (206), the vehicle monitoring module (2) are laid on road surface, the road for monitoring section in real time
Condition, vehicle flowrate and Vehicle Speed.
2. a kind of novel intelligent traffic system according to claim 1, which is characterized in that multigroup photosensitive sensor
(201) it is set there are two photosensitive sensor (201)/ultrasonic sensor (202) for each group in/ultrasonic sensor (202), and institute
It is fixed to state the distance between two photosensitive sensors (201)/ultrasonic sensor (202);
The photosensitive sensor (201)/ultrasonic sensor (202) is used to road pavement vehicle and tests the speed;
The photosensitive sensor (201) is additionally operable to measure air visibility.
3. a kind of novel intelligent traffic system according to claim 1, which is characterized in that the photosensitive switch control unit
(203) with multigroup photosensitive sensor (201), multigroup ultrasonic sensor (202), counting unit (204), test the speed unit
(205) it is electrically connected, the photosensitive sensor (201) is replaced under no light condition for controlling the ultrasonic sensor (202)
Work.
4. a kind of novel intelligent traffic system according to claim 1, which is characterized in that the radio frequency identification unit
(206) include installation radio-frequency card in the car and the reader on road surface is set, the identity of car owner is stored in the radio-frequency card
The information of information and vehicle, photosensitive sensor (201) described in every group/ultrasonic sensor are equipped with the read-write between (202)
Device.
5. a kind of novel intelligent traffic system according to claim 1, which is characterized in that the data management module (1)
Including data receipt unit (101), data processing unit (102), data storage cell (103) and data transmission unit (104).
6. a kind of novel intelligent traffic system according to claim 1, which is characterized in that the intelligent transportation system is also wrapped
Weather monitoring module (3) is included, the weather monitoring module (3) includes temperature sensor (301) and humidity sensor (302).
7. a kind of photovoltaic highway, including such as a kind of novel intelligent traffic system of claim 1 to 6 any one of them, feature
It is, the photovoltaic highway road surfacing has vehicle monitoring module (2);
The photovoltaic highway both sides and/or photovoltaic road surface are equipped with electronic speed limit display screen (4);
The accumulator of the photovoltaic highway is electrically connected with the power supply module (5).
8. a kind of operation method of novel intelligent traffic system, which is characterized in that include the following steps:
Step A, air visibility is measured by photosensitive sensor (201), and Atmosphere temp.and RH is measured by weather monitoring module (3)
With road surface humiture, the data that the photosensitive sensor (201) and the weather monitoring module (3) measure are sent to data pipe
Manage module (1);
Step B, the data management module (1) combine air visibility, Atmosphere temp.and RH and the analysis of road surface humiture to obtain phase
Weather conditions answered, and calculate corresponding speed limit index according to weather conditions, the data management module (1) is by the speed limit
Index is sent to electronic speed limit display screen (4) and carries out speed limit reminding;
Step C, by multigroup photosensitive sensor (the 201)/ultrasonic sensor (202), the counting unit (204) that are laid on road surface
It is measured with the speed, vehicle flowrate and traffic information of the unit that tests the speed (205) road pavement vehicle, and by speed, vehicle flowrate and road
Condition information is sent to data management module (1) and is stored and uploaded;
Step D, when having detected overspeed of vehicle, setting one group of photosensitive sensor (201)/ultrasonic sensor (202) it
Between reader obtain the identity information and information of vehicles of violation driver by reading installation radio-frequency card in the car.
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Cited By (5)
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CN113299074A (en) * | 2021-04-28 | 2021-08-24 | 广州铁路职业技术学院(广州铁路机械学校) | Method for monitoring automobile overspeed based on distributed optical fiber |
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CN115298716A (en) * | 2020-03-04 | 2022-11-04 | Eto电磁有限责任公司 | Traffic guidance device, traffic guidance system, traffic information system, adaptable receiving module and method for guiding traffic |
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Application publication date: 20181113 |