CN116567891A - Intelligent street lamp dimming control method and system - Google Patents
Intelligent street lamp dimming control method and system Download PDFInfo
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- CN116567891A CN116567891A CN202310456006.9A CN202310456006A CN116567891A CN 116567891 A CN116567891 A CN 116567891A CN 202310456006 A CN202310456006 A CN 202310456006A CN 116567891 A CN116567891 A CN 116567891A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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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
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The application relates to a dimming control method and system of an intelligent street lamp, which belong to the technical field of illumination control, wherein the control method comprises the following steps: acquiring the current traffic flow of a road section where each street lamp is positioned; determining a corresponding preset traffic flow threshold according to the road section where each street lamp is located; judging whether the current traffic flow of the road section where each street lamp is located exceeds a corresponding preset traffic flow threshold value or not respectively, if so, determining the road section as a congestion road section, and adjusting the brightness of the street lamp of the congestion road section to a preset brightness peak value; if not, calculating a traffic flow ratio according to the current traffic flow of the road section and a corresponding preset traffic flow threshold value, obtaining a brightness value to be adjusted according to the traffic flow ratio and a preset brightness peak value, and adjusting the brightness of the street lamp of the road section according to the brightness value to be adjusted. According to the method and the device, the situation that the driving safety is reduced due to the fact that good lighting effect is not provided when part road section vehicles are jammed can be reduced, or the situation that the part road section vehicles are rare but the brightness is high and electric energy is wasted is avoided, and the adaptability is improved.
Description
Technical Field
The application relates to the technical field of lighting control, in particular to a dimming control method and system for an intelligent street lamp.
Background
Urban street lamps, which are part of landscape lighting in urban public lighting, extend to each corner of the city and provide daily lighting services for people.
With the development of urban economy, the information sensing network with wide coverage area can be conveniently and rapidly established by upgrading urban street lamps, so that the information sensing network foundation of the smart city is constructed. And as the basis of the intelligent city perception system, the novel intelligent street lamp can better provide illumination guarantee for night safe driving of a driver through the remote control of the control system.
At present, in the night illumination process, the actual conditions and the real-time traffic flows of different road sections are different, so that the common street lamp control system is inconvenient to uniformly manage street lamps of a plurality of road sections, and therefore, the situation that the traffic safety is reduced due to the fact that good illumination effect is not provided when vehicles of part of road sections are jammed, or the situation that the electric energy is wasted due to the fact that the vehicles of part of road sections are rare but the brightness is high occurs, and the adaptability is poor is caused.
Disclosure of Invention
In order to improve adaptability, the application provides a dimming control method and system for intelligent street lamps.
In a first aspect, the present application provides a dimming control method for an intelligent street lamp, which adopts the following technical scheme:
a dimming control method of intelligent street lamp, which comprises the following steps,
acquiring the current traffic flow of a road section where each street lamp is positioned;
determining a corresponding preset traffic flow threshold according to the road section where each street lamp is located;
judging whether the current traffic flow of the road section where each road lamp is positioned exceeds a corresponding preset traffic flow threshold value or not respectively, if so, determining the road section as a congestion road section, and adjusting the road lamp brightness of the congestion road section to a preset brightness peak value;
if not, calculating a traffic flow ratio according to the current traffic flow of the road section and a corresponding preset traffic flow threshold value, obtaining a brightness value to be regulated according to the traffic flow ratio and a preset brightness peak value, and regulating the brightness of the street lamp of the road section according to the brightness value to be regulated.
By adopting the technical scheme, in the night illumination process, different traffic flow thresholds are preset according to the actual conditions of different road sections, the current traffic flow of the road section where each street lamp is positioned is respectively compared with the preset traffic flow threshold corresponding to the road section, whether the current traffic flow is larger than the preset traffic flow threshold is judged, if so, the brightness of the street lamp of the road section is regulated to a preset brightness peak value, so that better illumination effect is ensured, each driver can more clearly sense the conditions of surrounding vehicles, and driving safety is ensured; if the current traffic flow is smaller than the preset traffic flow threshold, calculating the traffic flow ratio of the current traffic flow to the preset traffic flow threshold, referring to the traffic flow ratio as an adjusting amplitude, obtaining a brightness value to be adjusted according to a preset brightness peak value and adjusting the brightness of the road lamp of the road section, thereby reducing the situation that the electric energy is wasted due to the fact that vehicles of part of road sections are rare but the brightness of the road lamp is high; the road lamp control system has the advantages that the road lamps on a plurality of road sections can be managed uniformly according to the actual conditions of the different road sections by integrating the current traffic flow of the different road sections and the corresponding preset traffic flow threshold value, and the adaptability of the road lamp control system is improved.
Optionally, the step of determining the corresponding preset traffic flow threshold according to the road section where each street lamp is located includes:
acquiring the road section information of the road section, and obtaining the theoretical capacity of the road section according to the road section information;
acquiring historical vehicle flow data of the road section, and determining a historical vehicle flow peak value in the historical vehicle flow data;
and obtaining a preset traffic flow threshold corresponding to the road section according to the historical traffic flow peak value and the theoretical capacity.
By adopting the technical scheme, the theoretical capacity and the historical traffic flow peak value of each different road section are used as references, and the traffic flow threshold value of each different road section is preset, so that the actual congestion state of the road section can be conveniently monitored according to the actual conditions of the different road sections, and the accuracy of congestion judgment is improved.
Optionally, the step of obtaining the luminance value to be adjusted according to the traffic flow ratio and a preset luminance peak value includes:
based on a preset mapping table, determining a corresponding traffic flow ratio interval according to the traffic flow ratio, and determining a corresponding preset brightness adjustment ratio according to the traffic flow ratio interval;
and calculating to obtain a brightness value to be adjusted according to the preset brightness adjustment proportion and the preset brightness peak value.
Through adopting above-mentioned technical scheme, predetermine a plurality of traffic flow ratio intervals and for every interval distribution suitable preset brightness adjustment proportion, according to preset brightness adjustment proportion and preset luminance peak value again, calculate to obtain waiting to adjust luminance value and adjust street lamp luminance to the too frequent condition of street lamp luminance adjustment has been reduced, the intelligent level of street lamp dimming has been improved, can satisfy the safety and the travelling comfort demand of urban night illumination better.
Optionally, after determining that the road segment is a congestion road segment, the method further includes:
a congestion prompting signal is sent to a prompting module arranged on a street lamp of the road section; the prompting module is used for receiving the congestion prompting signal and flashing corresponding congestion prompting light.
By adopting the technical scheme, the prompting module is arranged on the street lamp, so that when a certain road section is determined to be a congested road section, the road section congestion is reminded to exist in front of the vehicle behind, driving decisions can be made better, the aggravation of the congestion condition is avoided, and the occurrence rate of traffic accidents is reduced.
Optionally, the control method further includes:
acquiring vehicle illegal parking information of a road section where each street lamp is positioned;
judging whether the road section where each street lamp is located has abnormal vehicle illegal parking according to the vehicle illegal parking information;
if yes, sending a stop violation prompt signal to a prompt module arranged on a street lamp of the road section; the prompt module is used for receiving the illegal stop prompt signal and flashing corresponding illegal stop prompt light.
Through adopting above-mentioned technical scheme, because some drivers can have the mind of getting lucky when night, park the vehicle at the road section of stopping violating the regulations, through carrying out real-time supervision to the vehicle of stopping violating the regulations on road section violating the regulations, when there is the vehicle condition of stopping violating the regulations, prompt module can flash light and remind the vehicle of stopping violating the regulations, also can help the traffic police of patrolling and examining to discover the vehicle of stopping violating the regulations fast with the mode of light suggestion simultaneously, improve police efficiency, thereby in time persuade the car owner to drive away from the district of stopping violating the regulations, guaranteed the safe order of road traffic.
Optionally, the step of judging whether the road section where each street lamp is located has the abnormal vehicle parking violation according to the vehicle parking violation information comprises the following steps:
judging whether the road section where each street lamp is located has a parking-violating road section according to the vehicle parking-violating information;
if yes, judging whether the parking violating time of the vehicle in the parking violating road section exceeds a preset time; if the road section is over, determining that the road section where the street lamp is located has abnormal vehicle illegal parking.
By adopting the technical scheme, when the monitoring finds that the illegal parking time of the vehicle in the illegal parking road section exceeds the preset time, the road section where the street lamp is positioned can be judged to have abnormal illegal parking of the vehicle, so that the efficiency and the accuracy of illegal parking supervision are improved, and meanwhile, the traffic jam caused by illegal parking is reduced.
In a second aspect, the present application provides a dimming control system for an intelligent street lamp, which adopts the following technical scheme:
a smart street lamp dimming control system, the control system comprising:
the traffic flow acquisition module is used for acquiring the current traffic flow of the road section where each street lamp is positioned;
the preset traffic flow threshold determining module is used for determining a corresponding preset traffic flow threshold according to the road section where each street lamp is located;
the traffic flow judging module is used for judging whether the current traffic flow of the road section where each street lamp is located exceeds a corresponding preset traffic flow threshold value or not respectively, and if yes, a first judging result is output; if not, outputting a second judgment result;
the street lamp brightness adjusting module is used for responding to the first judging result, determining that the road section is a congestion road section and adjusting the street lamp brightness of the congestion road section to a preset brightness peak value;
the traffic flow ratio calculating module is used for responding to the second judging result and calculating the traffic flow ratio according to the current traffic flow of the road section and the corresponding preset traffic flow threshold value;
the brightness value to be adjusted generating module is used for obtaining a brightness value to be adjusted according to the traffic flow ratio and a preset brightness peak value;
and the street lamp brightness adjusting module is also used for adjusting the street lamp brightness of the road section according to the brightness value to be adjusted.
By adopting the technical scheme, in the night illumination process, different traffic flow thresholds are preset according to the actual conditions of different road sections, the current traffic flow of the road section where each street lamp is positioned is respectively compared with the preset traffic flow threshold corresponding to the road section, whether the current traffic flow is larger than the preset traffic flow threshold is judged, if so, the brightness of the street lamp of the road section is regulated to a preset brightness peak value, so that better illumination effect is ensured, each driver can more clearly sense the conditions of surrounding vehicles, and driving safety is ensured; if the current traffic flow is smaller than the preset traffic flow threshold, calculating the traffic flow ratio of the current traffic flow to the preset traffic flow threshold, referring to the traffic flow ratio as an adjusting amplitude, obtaining a brightness value to be adjusted according to a preset brightness peak value and adjusting the brightness of the road lamp of the road section, thereby reducing the situation that the electric energy is wasted due to the fact that vehicles of part of road sections are rare but the brightness of the road lamp is high; the road lamp control system has the advantages that the road lamps on a plurality of road sections can be managed uniformly according to the actual conditions of the different road sections by integrating the current traffic flow of the different road sections and the corresponding preset traffic flow threshold value, and the adaptability of the road lamp control system is improved.
Optionally, the preset traffic flow threshold determining module includes:
the theoretical capacity generation unit is used for acquiring the road section information of the road section and obtaining the theoretical capacity of the road section according to the road section information;
the historical vehicle flow peak value determining unit is used for obtaining historical vehicle flow data of the road section and determining historical vehicle flow peak values in the historical vehicle flow data;
and the preset traffic flow threshold generating unit is used for obtaining the preset traffic flow threshold corresponding to the road section according to the historical traffic flow peak value and the theoretical capacity.
By adopting the technical scheme, the theoretical capacity and the historical traffic flow peak value of each different road section are used as references, and the traffic flow threshold value of each different road section is preset, so that the actual congestion state of the road section can be conveniently monitored according to the actual conditions of the different road sections, and the accuracy of congestion judgment is improved.
In a third aspect, the present application provides a computer device, which adopts the following technical scheme:
a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method of the first aspect when executing the program.
In a fourth aspect, the present application provides a computer readable storage medium, which adopts the following technical scheme:
a computer readable storage medium storing a computer program capable of being loaded by a processor and executing any one of the methods of the first aspect.
In summary, the present application includes at least one of the following beneficial technical effects: in the night illumination process, different traffic flow thresholds are preset according to actual conditions of different road sections, current traffic flow of the road section where each street lamp is located is compared with a preset traffic flow threshold corresponding to the road section respectively, whether the current traffic flow is larger than the preset traffic flow threshold is judged, if so, the brightness of the street lamp of the road section is regulated to a preset brightness peak value, so that better illumination effect is ensured, each driver can sense the conditions of surrounding vehicles more clearly, and driving safety is ensured; if the current traffic flow is smaller than the preset traffic flow threshold, calculating the traffic flow ratio of the current traffic flow to the preset traffic flow threshold, referring to the traffic flow ratio as an adjusting amplitude, obtaining a brightness value to be adjusted according to a preset brightness peak value and adjusting the brightness of the road lamp of the road section, thereby reducing the situation that the electric energy is wasted due to the fact that vehicles of part of road sections are rare but the brightness of the road lamp is high; the road lamp control system has the advantages that the road lamps on a plurality of road sections can be managed uniformly according to the actual conditions of the different road sections by integrating the current traffic flow of the different road sections and the corresponding preset traffic flow threshold value, and the adaptability of the road lamp control system is improved.
Drawings
Fig. 1 is a schematic flow chart of a dimming control method of a smart street lamp according to one embodiment of the present disclosure.
Fig. 2 is a schematic diagram of a second flow of a dimming control method for a smart street lamp according to one embodiment of the present application.
Fig. 3 is a schematic third flow chart of a dimming control method of a smart street lamp according to one embodiment of the present application.
Fig. 4 is a fourth flowchart of a dimming control method for a smart street lamp according to one embodiment of the present disclosure.
Fig. 5 is a fifth flowchart of a dimming control method for a smart street lamp according to one embodiment of the present disclosure.
Fig. 6 is a sixth flowchart of a dimming control method for a smart street lamp according to one embodiment of the present disclosure.
Fig. 7 is a block diagram of a smart street lamp dimming control system according to one embodiment of the present application.
Fig. 8 is a block diagram of a preset traffic flow threshold determination module according to one embodiment of the present application.
Reference numerals illustrate: 101. a traffic flow acquisition module; 102. a preset traffic flow threshold determining module; 1021. a theoretical capacity generation unit; 1022. a historical vehicle flow peak value determining unit; 1023. presetting a traffic flow threshold generating unit; 103. a traffic flow judging module; 104. a street lamp brightness adjusting module; 105. a traffic flow ratio calculation module; 106. and the brightness value generation module is to be adjusted.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to fig. 1 to 8 and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The embodiment of the application discloses a dimming control method of an intelligent street lamp.
Referring to fig. 1, a dimming control method of an intelligent street lamp, the control method includes:
step S101, obtaining the current traffic flow of a road section where each street lamp is located;
the length, the area, the position and the like of each road section can be divided in advance according to actual conditions, and the road section of the street lamp can be determined through the position of the street lamp;
step S102, corresponding preset traffic flow thresholds are determined according to road sections where the street lamps are located;
because the road conditions of all road sections are different, different road sections need to determine corresponding preset vehicle flow thresholds according to actual conditions and by combining historical vehicle condition data;
step S103, judging whether the current traffic flow of the road section where each street lamp is located exceeds a corresponding preset traffic flow threshold value or not respectively, if yes, jumping to step S104; if not, jumping to step S105;
step S104, determining the road section as a congestion road section, and adjusting the brightness of the road lamp of the congestion road section to a preset brightness peak value;
the preset brightness peak value can be obtained through the field optical test and the statistical analysis, and the maximum brightness of the street lamp is obtained and set as the preset brightness peak value under the condition that the power parameter of the street lamp is combined and the dazzling of a road driver is not caused;
step S105, calculating a traffic flow ratio according to the current traffic flow of the road section and a corresponding preset traffic flow threshold value;
the vehicle flow ratio is calculated according to the current vehicle flow and a preset vehicle flow threshold;
step S106, obtaining a brightness value to be adjusted according to the traffic flow ratio and a preset brightness peak value;
the vehicle flow ratio is used as a reference ratio, and the product of the vehicle flow ratio and a preset brightness peak value is calculated to obtain a brightness value to be adjusted;
step S107, the brightness of the road lamp of the road section is adjusted according to the brightness value to be adjusted.
In the above embodiment, during night illumination, different traffic flow thresholds are preset according to actual conditions of different road sections, current traffic flow of the road section where each street lamp is located is compared with a preset traffic flow threshold corresponding to the road section, whether the current traffic flow is greater than the preset traffic flow threshold is judged, if so, the brightness of the street lamp of the road section is regulated to a preset brightness peak value, so that better illumination effect is ensured, each driver can sense the conditions of surrounding vehicles more clearly, and driving safety is ensured; if the current traffic flow is smaller than the preset traffic flow threshold, calculating the traffic flow ratio of the current traffic flow to the preset traffic flow threshold, referring to the traffic flow ratio as an adjusting amplitude, obtaining a brightness value to be adjusted according to a preset brightness peak value and adjusting the brightness of the road lamp of the road section, thereby reducing the situation that the electric energy is wasted due to the fact that vehicles of part of road sections are rare but the brightness of the road lamp is high; the road lamp control system has the advantages that the road lamps on a plurality of road sections can be managed uniformly according to the actual conditions of the different road sections by integrating the current traffic flow of the different road sections and the corresponding preset traffic flow threshold value, and the adaptability of the road lamp control system is improved.
As an embodiment of step S101, the specific steps of obtaining the current traffic flow of the road section where each street lamp is located include:
and acquiring image monitoring data of the road sections where the street lamps are positioned, and acquiring the current traffic flow of the road sections where the street lamps are positioned according to the image monitoring data.
The image monitoring data may be acquired by a camera installed at each road section, and the motor vehicle at each road section may be periodically photographed by the camera.
Referring to fig. 2, as an embodiment of step S102, the step of determining the corresponding preset traffic flow threshold according to the road segment where each street lamp is located includes:
step S1021, obtaining the road section information of the road section, and obtaining the theoretical capacity of the road section according to the road section information;
the road section information comprises the number of lanes, the width of the lanes and the design speed, the theoretical capacity of the road section = the number of lanes × the width of the lanes × the design speed of the lanes × the saturation flow rate coefficient, and the common value range of the saturation flow rate coefficient is 0.85-0.95;
step S1022, obtaining historical vehicle flow data of the road section, and determining a historical vehicle flow peak value in the historical vehicle flow data;
the method comprises the steps of monitoring and analyzing historical traffic flow data of a road section to obtain a historical maximum traffic flow peak value;
step S1023, obtaining a preset traffic flow threshold corresponding to the road section according to the historical traffic flow peak value and the theoretical capacity.
The preset traffic flow threshold may take an intermediate value between the historical traffic flow peak and the theoretical capacity.
In the embodiment, the theoretical capacity and the historical traffic flow peak value of each different road section are used as references, and the traffic flow threshold value of each different road section is preset, so that the actual congestion state of the road section is conveniently monitored according to the actual conditions of the different road sections, and the accuracy of congestion judgment is improved.
As a further embodiment of the control method, after obtaining the preset traffic flow threshold corresponding to the road segment, the method further includes:
judging whether the current traffic flow of the road section where each street lamp is positioned reaches a corresponding preset traffic flow threshold value, if so, acquiring the current speed of the road section;
judging whether the current speed of the road section is higher than a preset speed, if so, increasing the preset traffic flow threshold; if not, the preset traffic flow threshold is lowered.
The current speed of the road section can be obtained according to the average speed of each vehicle, and the preset speed can be preset according to the historical traffic flow data or can be set as the design speed of the road section; the adjustment range of the preset traffic flow threshold value can be preset with a correction value, and the preset traffic flow threshold value can be adjusted up or down according to the correction value.
In the embodiment, the real congestion condition of the road section can be judged based on the current speed and the current traffic flow of the road section, and the preset traffic flow threshold value is dynamically adjusted, so that the accurate control of road conditions is realized, and the accuracy of congestion judgment is improved.
Referring to fig. 3, as an embodiment of step S106, the step of obtaining the luminance value to be adjusted according to the traffic flow ratio and the preset luminance peak value includes:
step S1061, determining a corresponding traffic flow ratio interval according to the traffic flow ratio based on a preset mapping table, and determining a corresponding preset brightness adjustment ratio according to the traffic flow ratio interval;
the preset mapping table comprises a plurality of groups of mapping relations between traffic flow ratio intervals and preset brightness adjustment ratios, each traffic flow ratio interval has no intersection, and each traffic flow ratio interval corresponds to one preset brightness adjustment ratio;
the opening and closing of the end points of each traffic flow proportion section, the section length and the section number can be preset and adjusted according to actual conditions.
Step S1062, calculating a luminance value to be adjusted according to the preset luminance adjustment ratio and the preset luminance peak value.
Wherein, the brightness value to be adjusted is the product of the preset brightness adjusting proportion and the preset brightness peak value.
In the above embodiment, a plurality of traffic flow ratio intervals are preset, and a proper preset brightness adjustment proportion is allocated to each interval, and then according to the preset brightness adjustment proportion and the preset brightness peak value, the brightness value to be adjusted is calculated and obtained, and the brightness of the street lamp is adjusted, so that the condition that the brightness of the street lamp is adjusted too frequently is reduced, the intelligent level of dimming of the street lamp is improved, and the safety and comfort requirements of urban night illumination can be better met.
It should be noted that, the traffic flow ratio interval and the corresponding adjustment ratio selected in the preset mapping table may be an optimal interval for the staff to perform field test, and perform optimization and adjustment according to actual conditions, so as to achieve the expected effect; in addition, in the actual adjustment process, the brightness adjustment module needs to be checked and maintained regularly to ensure the stability and reliability of the system.
Referring to fig. 4, as a further embodiment of the control method, after determining that the link is a congested link in step S104, the method further includes:
step S1041, sending a congestion prompting signal to a prompting module arranged on a road lamp of a road section;
the prompting module is used for receiving the congestion prompting signal and flashing corresponding congestion prompting light.
The prompting module can be an LED display; for example, when congestion occurs on the road ahead, red indicator lights may flash in the indicator areas corresponding to the LED displays.
In the embodiment, the prompting module is arranged on the street lamp, so that when a certain road section is determined to be a congestion road section, the road section congestion in front of a vehicle behind is reminded, driving decisions can be made better, the aggravation of the congestion condition is avoided, and the occurrence rate of traffic accidents is reduced.
Referring to fig. 5, the control method further includes:
step S201, obtaining vehicle illegal stop information of a road section where each street lamp is located;
step S202, judging whether the road section where each street lamp is located has abnormal vehicle illegal parking according to the vehicle illegal parking information; if yes, jump to step S203; if not, re-executing step S202;
step S203, sending a stop violation prompt signal to a prompt module arranged on a street lamp of a road section; the prompt module is used for receiving the illegal stop prompt signal and flashing corresponding illegal stop prompt light.
It should be noted that, the vehicle parking violation detection sensor is arranged on the road lamp at the parking violation road section to monitor the vehicle parking violation condition in real time, and the prompt module on the road lamp is controlled to carry out corresponding flickering prompt when the vehicle parking violation is found; for example, a yellow cue light may flash in a cue area corresponding to the LED display.
In the above embodiment, since a part of drivers can have a lucky mind at night, the vehicles are parked on the illegal parking road section, and the vehicles on the illegal parking road section are monitored in real time, when the illegal parking condition of the vehicles exists, the prompt module can flash light to remind the illegal parking of the vehicles, meanwhile, the traffic police can also find out the illegal parking vehicles quickly in a light prompt mode, the police efficiency is improved, so that the owners of the vehicles can be led to drive away from the illegal parking area in time, and the safety order of road traffic is ensured.
Referring to fig. 6, as an embodiment of step S202, the step of determining whether the road section where each street lamp is located has a vehicle parking violation according to the vehicle parking violation information includes:
step S2021, judging whether the road section where each street lamp is located has a parking-violating road section according to the vehicle parking-violating information; if yes, go to step S2022; if not, not executing any operation;
step S2022, judging whether the parking violating time length of the vehicle in the parking violating road section exceeds a preset time length; if so, go to step S2023; if not, re-executing step S2022;
step S2023 determines that the road section where the street lamp is located has a vehicle out-of-stop abnormality.
The vehicle may be a car, a bus, a truck, or other vehicles of different types, and the preset time period may be preset according to the actual situation or traffic standard, for example, may be set to three minutes, five minutes, or the like.
In the embodiment, when the monitoring finds that the parking violating time of the vehicle in the parking violating road section exceeds the preset time, the road section where the street lamp is located can be judged to have the abnormal situation of the parking violating of the vehicle, so that the efficiency and the accuracy of the parking violating supervision are improved, and meanwhile, the traffic jam caused by parking violating is reduced.
The embodiment of the application also discloses a dimming control system of the intelligent street lamp.
Referring to fig. 7, a smart street lamp dimming control system, the control system comprising:
the traffic flow acquisition module 101 is used for acquiring the current traffic flow of the road section where each street lamp is located;
the preset traffic flow threshold determining module 102 is configured to determine a corresponding preset traffic flow threshold according to a road section where each street lamp is located;
the traffic flow judging module 103 is configured to respectively judge whether the current traffic flow of the road section where each street lamp is located exceeds a corresponding preset traffic flow threshold, and if yes, output a first judging result; if not, outputting a second judgment result;
the street lamp brightness adjusting module 104 is configured to determine that the road section is a congested road section in response to the first determination result, and adjust the street lamp brightness of the congested road section to a preset brightness peak value;
the traffic flow ratio calculating module 105 is configured to calculate a traffic flow ratio according to the current traffic flow of the road section and a corresponding preset traffic flow threshold value in response to the second determination result;
the luminance value to be adjusted generating module 106 is configured to obtain a luminance value to be adjusted according to the traffic flow ratio and a preset luminance peak value;
the street lamp brightness adjusting module 104 is further configured to adjust the street lamp brightness of the road section according to the brightness value to be adjusted.
In the above embodiment, during night illumination, different traffic flow thresholds are preset according to actual conditions of different road sections, current traffic flow of the road section where each street lamp is located is compared with a preset traffic flow threshold corresponding to the road section, whether the current traffic flow is greater than the preset traffic flow threshold is judged, if so, the brightness of the street lamp of the road section is regulated to a preset brightness peak value, so that better illumination effect is ensured, each driver can sense the conditions of surrounding vehicles more clearly, and driving safety is ensured; if the current traffic flow is smaller than the preset traffic flow threshold, calculating the traffic flow ratio of the current traffic flow to the preset traffic flow threshold, referring to the traffic flow ratio as an adjusting amplitude, obtaining a brightness value to be adjusted according to a preset brightness peak value and adjusting the brightness of the road lamp of the road section, thereby reducing the situation that the electric energy is wasted due to the fact that vehicles of part of road sections are rare but the brightness of the road lamp is high; the road lamp control system has the advantages that the road lamps on a plurality of road sections can be managed uniformly according to the actual conditions of the different road sections by integrating the current traffic flow of the different road sections and the corresponding preset traffic flow threshold value, and the adaptability of the road lamp control system is improved.
Referring to fig. 8, as one embodiment of the preset traffic flow threshold determination module 102, the preset traffic flow threshold determination module 102 includes:
a theoretical capacity generating unit 1021, configured to obtain link information of a link, and obtain a theoretical capacity of the link according to the link information;
a historical traffic peak value determining unit 1022, configured to obtain historical traffic data of the road section, and determine a historical traffic peak value in the historical traffic data;
the preset traffic flow threshold generating unit 1023 is configured to obtain a preset traffic flow threshold corresponding to the road section according to the historical traffic flow peak value and the theoretical capacity.
In the embodiment, the theoretical capacity and the historical traffic flow peak value of each different road section are used as references, and the traffic flow threshold value of each different road section is preset, so that the actual congestion state of the road section is conveniently monitored according to the actual conditions of the different road sections, and the accuracy of congestion judgment is improved.
As one embodiment of the luminance value to be adjusted generation module 106, the luminance value to be adjusted generation module 106 is configured to:
based on a preset mapping table, determining a corresponding traffic flow ratio interval according to the traffic flow ratio, and determining a corresponding preset brightness adjustment ratio according to the traffic flow ratio interval; and calculating to obtain the brightness value to be regulated according to the preset brightness regulation proportion and the preset brightness peak value.
In the above embodiment, a plurality of traffic flow ratio intervals are preset, and a proper preset brightness adjustment proportion is allocated to each interval, and then according to the preset brightness adjustment proportion and the preset brightness peak value, the brightness value to be adjusted is calculated and obtained, and the brightness of the street lamp is adjusted, so that the condition that the brightness of the street lamp is adjusted too frequently is reduced, the intelligent level of dimming of the street lamp is improved, and the safety and comfort requirements of urban night illumination can be better met.
As a further embodiment of the control system, the control system further comprises:
the prompting signal sending module is used for sending a congestion prompting signal to a prompting module arranged on a street lamp of the road section after the road section is determined to be the congestion road section; the prompting module is used for receiving the congestion prompting signal and flashing corresponding congestion prompting light.
In the embodiment, the prompting module is arranged on the street lamp, so that when a certain road section is determined to be a congestion road section, the road section congestion in front of a vehicle behind is reminded, driving decisions can be made better, the aggravation of the congestion condition is avoided, and the occurrence rate of traffic accidents is reduced.
As a further embodiment of the control system, the control system further comprises;
the vehicle illegal parking information acquisition module is used for acquiring vehicle illegal parking information of the road section where each street lamp is positioned;
the vehicle illegal parking abnormality judging module is used for judging whether the road section where each street lamp is positioned has vehicle illegal parking abnormality according to the vehicle illegal parking information; if yes, outputting an abnormal illegal stop result;
the prompt signal sending module is also used for responding to the illegal stop abnormal result and sending an illegal stop prompt signal to a prompt module arranged on the road lamp of the road section; the prompt module is used for receiving the illegal stop prompt signal and flashing corresponding illegal stop prompt light.
In the above embodiment, when the vehicle is out of stop, the prompt module can flash light to remind the vehicle of out of stop, meanwhile, the traffic police can find out the out of stop rapidly in a light prompt mode, the police efficiency is improved, and accordingly the vehicle owner is led to drive away from the out of stop area in time, and the safety order of road traffic is guaranteed.
As one embodiment of the vehicle out-of-stop abnormality determination module, the vehicle out-of-stop abnormality determination module includes:
the first judging unit is used for judging whether the road section where each street lamp is located has a parking-violating road section according to the vehicle parking-violating information; if yes, outputting a judgment result of the illegal road section;
the second judging unit is used for responding to the judging result of the illegal road section and judging whether the illegal time length of the vehicle in the illegal road section exceeds the preset time length; if yes, outputting a illegal stop overtime judgment result;
and the vehicle illegal parking abnormality determination unit is used for determining that the road section where the street lamp is positioned has vehicle illegal parking abnormality in response to the illegal parking timeout judgment result.
In the embodiment, when the monitoring finds that the parking violating time of the vehicle in the parking violating road section exceeds the preset time, the road section where the street lamp is located can be judged to have the abnormal situation of the parking violating of the vehicle, so that the efficiency and the accuracy of the parking violating supervision are improved, and meanwhile, the traffic jam caused by parking violating is reduced.
The intelligent street lamp dimming control system can realize any one of the intelligent street lamp dimming control methods, and specific working processes of each module in the intelligent street lamp dimming control system can refer to corresponding processes in the method embodiments.
In several embodiments provided herein, it should be understood that the provided methods and systems may be implemented in other ways. For example, the system embodiments described above are merely illustrative; for example, a division of a module is merely a logical function division, and there may be another division manner in actual implementation, for example, multiple modules may be combined or may be integrated into another system, or some features may be omitted or not performed.
The embodiment of the application also discloses a computer device.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the intelligent street lamp dimming control method as described above when executing the computer program.
The embodiment of the application also discloses a computer readable storage medium.
A computer readable storage medium storing a computer program loadable by a processor and performing any one of the intelligent street lamp dimming control methods described above.
Wherein a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device; program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
The foregoing description of the preferred embodiments of the present application is not intended to limit the scope of the application, in which any feature disclosed in this specification (including abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Claims (10)
1. A dimming control method of an intelligent street lamp is characterized by comprising the following steps of: the control method includes the steps of,
acquiring the current traffic flow of a road section where each street lamp is positioned;
determining a corresponding preset traffic flow threshold according to the road section where each street lamp is located;
judging whether the current traffic flow of the road section where each road lamp is positioned exceeds a corresponding preset traffic flow threshold value or not respectively, if so, determining the road section as a congestion road section, and adjusting the road lamp brightness of the congestion road section to a preset brightness peak value;
if not, calculating a traffic flow ratio according to the current traffic flow of the road section and a corresponding preset traffic flow threshold value, obtaining a brightness value to be regulated according to the traffic flow ratio and a preset brightness peak value, and regulating the brightness of the street lamp of the road section according to the brightness value to be regulated.
2. The intelligent street lamp dimming control method according to claim 1, wherein: the step of determining the corresponding preset traffic flow threshold value according to the road section where each street lamp is located comprises the following steps:
acquiring the road section information of the road section, and obtaining the theoretical capacity of the road section according to the road section information;
acquiring historical vehicle flow data of the road section, and determining a historical vehicle flow peak value in the historical vehicle flow data;
and obtaining a preset traffic flow threshold corresponding to the road section according to the historical traffic flow peak value and the theoretical capacity.
3. The intelligent street lamp dimming control method according to claim 1, wherein: the step of obtaining the brightness value to be adjusted according to the traffic flow ratio and a preset brightness peak value comprises the following steps:
based on a preset mapping table, determining a corresponding traffic flow ratio interval according to the traffic flow ratio, and determining a corresponding preset brightness adjustment ratio according to the traffic flow ratio interval;
and calculating to obtain a brightness value to be adjusted according to the preset brightness adjustment proportion and the preset brightness peak value.
4. The intelligent street lamp dimming control method according to claim 1, further comprising, after determining that the road section is a congested road section:
a congestion prompting signal is sent to a prompting module arranged on a street lamp of the road section; the prompting module is used for receiving the congestion prompting signal and flashing corresponding congestion prompting light.
5. The intelligent street lamp dimming control method according to any one of claims 1 to 4, wherein: the control method further includes:
acquiring vehicle illegal parking information of a road section where each street lamp is positioned;
judging whether the road section where each street lamp is located has abnormal vehicle illegal parking according to the vehicle illegal parking information;
if yes, sending a stop violation prompt signal to a prompt module arranged on a street lamp of the road section; the prompt module is used for receiving the illegal stop prompt signal and flashing corresponding illegal stop prompt light.
6. The intelligent street lamp dimming control method according to claim 5, wherein the step of judging whether the road section where each street lamp is located has abnormal vehicle parking according to the vehicle parking violation information comprises the steps of:
judging whether the road section where each street lamp is located has a parking-violating road section according to the vehicle parking-violating information;
if yes, judging whether the parking violating time of the vehicle in the parking violating road section exceeds a preset time; if the road section is over, determining that the road section where the street lamp is located has abnormal vehicle illegal parking.
7. An intelligent street lamp dimming control system, characterized in that the control system comprises:
the traffic flow acquisition module (101) is used for acquiring the current traffic flow of the road section where each street lamp is located;
the preset traffic flow threshold determining module (102) is used for determining a corresponding preset traffic flow threshold according to the road section where each street lamp is located;
the traffic flow judging module (103) is used for judging whether the current traffic flow of the road section where each street lamp is located exceeds a corresponding preset traffic flow threshold value or not respectively, and if yes, a first judging result is output; if not, outputting a second judgment result;
the street lamp brightness adjusting module (104) is used for responding to the first judging result, determining that the road section is a congestion road section and adjusting the street lamp brightness of the congestion road section to a preset brightness peak value;
a traffic flow ratio calculating module (105) for calculating a traffic flow ratio according to the current traffic flow of the road section and a corresponding preset traffic flow threshold value in response to the second determination result;
the to-be-adjusted brightness value generation module (106) is used for obtaining a to-be-adjusted brightness value according to the traffic flow ratio and a preset brightness peak value;
and the street lamp brightness adjusting module (104) is also used for adjusting the street lamp brightness of the road section according to the brightness value to be adjusted.
8. The intelligent street lamp dimming control system of claim 7, wherein the preset traffic flow threshold determination module (102) comprises:
a theoretical capacity generation unit (1021) for acquiring link information of the link, and obtaining the theoretical capacity of the link according to the link information;
a historical traffic peak value determining unit (1022) for acquiring historical traffic data of the road section and determining a historical traffic peak value in the historical traffic data;
and a preset traffic flow threshold generating unit (1023) for obtaining a preset traffic flow threshold corresponding to the road section according to the historical traffic flow peak value and the theoretical capacity.
9. A computer device, characterized by: comprising a memory, a processor and a computer program stored on said memory and executable on said processor, said processor implementing the method according to any of claims 1 to 6 when said program is executed.
10. A computer-readable storage medium, characterized by: a computer program stored which can be loaded by a processor and which performs the method according to any one of claims 1 to 6.
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