Intelligent Street Lamp Network Linkage Dimming Control System and Method

Abstract

Intelligent Street Lamp Network Linkage Dimming Control System and Method An intelligent street lamp network linkage dimming control system and method, including: According to the road type, the street lamp in the area to be controlled is partitioned, and the street lamp in the area to be controlled is divided into n sub—area control areas; According to the section environment of sub—area control area, each subarea control area is divided into m sub—area control area. The section brightness command is generated based on the subarea control section's road type and section environment. The intelligent street lamp network linkage dimming control system divides the street lamp in the area to be controlled into several sub—area control segments for independent control by road type and road section environment, and carries out brightness control according to the specific road characteristics of each subarea control segment. On the one hand, energy consumption is saved, and secondly, lighting effect is improved. (Figure l)

Description

Technical Field The invention relates to the technical field of street lamp brightness control, in particular to the . Background Technology Street lights are public facilities used to provide lighting for the road, providing a safer driving environment for vehicles on the road. With the development of urban construction and the increase of vehicle ownership, more and more road construction, in the road construction, for the management and control of street lights, how to achieve energy saving under the premise of ensuring the lighting effect is of great significance. The Chinese patent application with the public number CN104421755A discloses an intelligent LED street light and the control method of LED street light, intelligent LED street light, including control processing unit, light control unit, infrared sensing unit, dimming unit and LED lighting unit; The LED lighting unit is arranged under the lampshade 0f the LED street lamp; The infrared sensing unit comprises a pyroelectric sensor arranged at the lower part of the LED street lamp post in several adjacent sections, and a sensor control unit electrically connected with the pyroelectric sensor; The light control unit is arranged above the lamp shade of the LED street lamp. The light control unit consists of a power supply, a photosensitive sensing unit and a control execution unit arranged above the lamp shade of the LED street lamp. The power supply is connected with the photosensitive sensing unit and the control execution unit respectively. It can monitor the change of environmental light, the size of the traffic ow, the speed of the speed, collect the data of the environmental light and road traffic flow through the sensor, and control the strength of the LED street lamp after processing. Such as the above application, the brightness of the existing street lights is generally controlled based on the brightness of the external environment or traffic ow, and the factors considered are relatively single. This leads to poor control effect, affecting the actual use of street lighting effect, followed by the existing street light brightness control, which is generally for an entire section of a region. The brightness of the street lamp set on it is unified control, which leads to insufficient precision of its control, resulting in energy waste, and also affects its lighting effect. Contents of Invention In order to solve the above problems, the invention provides an . The invention adopts the following technical scheme, the includes: According to the road type, the street lights in the area to be controlled are divided into n subarea control areas, where n is a positive integer set greater than 1. According to the section environment of the subarea control area, each subarea control area is divided into m subarea control area, where m is a set of positive integers greater than l. The section brightness command is generated based on the road type and section environment of the subarea control section. Obtaining the road condition coefficient of subregion control section; The road condition brightness command is generated based on the road condition coefficient of the subarea control segment. Generate road brightness adjustment instruction based on road brightness instruction and road condition brightness instruction; Obtaining the environment coefficient of subarea control segment in real time; The environment brightness adjustment instruction is generated based on the environment coefficient of the subarea control segment. Generating comprehensive brightness adjustment instructions based on road brightness adjustment instructions and environment brightness adjustment instructions. As a further description of the above technical proposal: the road types include national roads, provincial roads, county roads and urban roads; The section environment includes residential roads, forest roads, mountain roads and plain roads. As a further description of the technical scheme, the brightness instruction of the road section includes the brightness instruction of the first grade road section, the brightness instruction of the second grade road section and the brightness instruction of the third grade road section, and the brightness demand of the brightness instruction of the first grade road section, the brightness instruction of the second grade road section and the brightness instruction of the third grade road section are successively reduced; Methods for generating road brightness commands based on the road type and road environment of the subarea control segment include: When the subarea control section simultaneously has: national road and residential road or national road and mountain road, national road and forest road, national road and plain road, provincial road and residential road, provincial road and mountain road, the brightness instruction of the first class section is generated; When the subarea control section has: provincial road and forest road, provincial road and plain road, county road and residential road, county road and mountain road, urban road and residential road, urban road and mountain road, then the brightness instruction of the second grade section is generated; When the subarea control segment simultaneously has: county road and forest road, county road and plain road, urban road and forest road, urban road and plain road, the third grade section brightness instruction is generated. As a further description of the technical scheme, the parameters affecting the road condition coefficient include road width data, road curvature data and road slope data; The road width data, road curvature data and road slope data are directly obtained from the road design drawings; The method for obtaining the road condition coefficient includes: Lsz = 81xLd+82 ><Lw +83 ><Lp; Wherein, LKXS is the road condition coefficient, Ld is the road width, LW is the road curvature, Lp is the road slope, al, 82 and a3 is the weight factor, moreover, al, 82 and B3 are all greater than 0. As a further description of the technical scheme, the road condition brightness instruction includes a first grade road condition brightness instruction, a second grade road condition brightness instruction and a third grade road condition brightness instruction, wherein the brightness demand of the first grade road condition brightness instruction, the second grade road condition brightness instruction and the third grade road condition brightness instruction decreases successively; The method for generating a road condition brightness command based on the road condition coefficient of the subarea control segment includes: The gradient threshold of preset road condition coefficient, LK1 and LKz, LK1 is less than LKz; If LKXS is less than or equal to LK1, the subarea control segment is marked as a third grade road condition brightness instruction; If LKXS is greater than LK1 and less than LKZ, the subarea control segment is marked as the second grade road condition brightness instruction; If LKXS is greater than or equal to LK2, the subarea control segment is marked as a the first grade road condition brightness instruction. As a further description of the technical scheme, the road brightness adjustment instruction includes a the first grade road brightness adjustment instruction, a the second grade road brightness adjustment instruction and a the third grade road brightness adjustment instruction, and the brightness demand of a the first grade road brightness adjustment instruction, a the second grade road brightness adjustment instruction and a the third grade road brightness adjustment instruction decreases in turn; The method for generating road brightness adjustment instructions based on road section brightness instructions and road condition brightness instructions includes: When the subarea control segment has at the same time: the first grade road condition brightness instruction and the first grade road condition brightness instruction, the first grade road condition brightness instruction and the second grade road condition brightness instruction, the second grade road condition brightness instruction and the first grade road condition brightness instruction, the third grade road condition brightness instruction and the third grade road condition brightness instruction, the third grade road condition brightness instruction and the first grade road condition brightness instruction, the the first grade road brightness adjustment instruction is generated; When the subarea control segment simultaneously has: second grade road condition brightness instruction and second grade road section brightness instruction, second grade road condition brightness instruction and tertiary road section brightness instruction, tertiary road condition brightness instruction and second grade road section brightness instruction, the second grade road brightness adjustment instruction is generated; When the subarea control segment has at the same time: three level road brightness instruction and three level road condition brightness instruction, this generates three level road brightness adjustment instruction. As a further description of the technical scheme, parameters affecting the environmental coefficient of the subarea control segment include: external environmental brightness, external environmental visibility; The brightness of the external environment can be obtained by the installed brightness sensor, the Visibility of the external environment can be measured by the infrared sensor of the concentration of particles and water vapor in the atmosphere, and then through the preestablished correlation between the concentration of particles and water vapor in the atmosphere and visibility, the visibility of the current area is obtained; The method for obtaining the environmental coefficient includes: HJxs =Ö4><Gz+ö5 and; Wherein, HJXS is the environment coefficient of the subarea control segment, GZ is the brightness of the subarea control segment, an is the visibility of the sub area control segment, 84 and B5 are the weight factor, moreover, both 84 and 85 are greater than O. As a further description of the above technical proposal: The ambient brightness adjustment instruction includes a first grade ambient brightness adjustment instruction, a second grade ambient brightness adjustment instruction and a third grade ambient brightness adjustment instruction, Wherein the brightness demand of the first grade ambient brightness adjustment instruction, a second grade ambient brightness adjustment instruction and a third grade ambient brightness adjustment instruction increases successively; The method for generating an ambient brightness adjustment instruction based on the environmental coefficient of the subarea control segment includes: The gradient threshold of preset environmental coefficient, HJ 1 and HJ 2, HJ 1 is less than HJ 2; The gradient threshold of the environmental coefficient shall be determined by personnel skilled in the field based on data fitting; If HJXS is less than or equal to HJ 1, the subarea control segment is marked as a the third grade ambient brightness adjustment instruction; If HJXS is greater than HJ 1 and less than HJ2 the subarea control segment is marked as a second grade ambient brightness adjustment instruction; If HJXS is greater than or equal to HJZ, this subarea control segment is marked as a the first grade ambient brightness adjustment instruction. As a further description of the above technical proposal: Methods for generating comprehensive brightness adjustment instructions based on road brightness adjustment instructions and ambient brightness adjustment instructions include: Obtain the road brightness adjustment instructions and environmental brightness adjustment instructions of the current subarea control segment, obtain the instruction level of the road brightness adjustment instructions and environmental brightness adjustment instructions, and control the street light brightness of the current subarea control segment based on the instruction level higher. As a further description of the above technical proposal: It also includes street lamp switch control unit; Street light switch control unit includes: The integrated data acquisition module is used to obtain the speed data of vehicles on the road, the spacing data between adjacent street lights and the vehicle position data; The data analysis module generates the switch control coefficient according to the collected vehicle speed data and the spacing data between adjacent street lights; The switch control module generates the street lamp opening command according to the switch control coefficient, and controls the street lamp opening in the corresponding area in front of the vehicle based on the street lamp opening command and vehicle position data. The street lamp opening command includes a first grade street lamp opening command, a second grade street lamp opening command and a third grade street lamp opening command, in which the number of street lamps opened by the first grade street lamp opening command, a second grade street lamp opening command and a third grade street lamp opening command increases in turn; The methods for generating the switch control factor based on the collected vehicle speed data and the spacing data between adjacent street lights include: KGxs = M; a, >< JL Wherein, KGXS is the switch control coefficient, CS is the speed data of vehicles on the road, J L is the spacing data between adjacent street lights, 86 and B7 are the weight factor, and a6 and 87 are all greater than 0; The methods for controlling the number of street lights on according to the switch control coefficient include: The gradient threshold of the preset switch control coefficient is KG1 and KGz, where KG1 < KG2; The gradient threshold of the switch control coefficient is determined by the skilled personnel in the field based on data fitting; When KGXS S KG1, a first grade street lamp open command is generated; When KG1 < KGXS S KGZ, the second grade street light start command is generated; When KGXS > KGZ, the third grade street light start command is generated. Intelligent street lamp network linkage dimming control system, including: According to the type of road, the partition module divides the street lights in the area to be controlled into n subarea control areas, where n is a positive integer set greater than 1; According to the section environment of the subarea control area, each subarea control area is divided into m subarea control area, where m is a set of positive integers greater than 1; The section data analysis module generates the section brightness instruction based on the road type and section environment of the subarea control section; The road condition data acquisition module obtains the road condition coefficient of subarea control section; The road condition data analysis module generates the road condition brightness instruction based on the road condition coefficient of subarea control segment; The first comprehensive analysis module generates road brightness adjustment instructions based on road brightness instructions and road condition brightness instructions; The environmental data acquisition module, realtime acquisition of subarea control section of the environmental coefficient; The environment data analysis module generates the environment brightness adjustment instruction based on the environment coefficient of the subarea control segment; The second comprehensive analysis module generates comprehensive brightness adjustment instructions based on road brightness adjustment instructions and environment brightness adjustment instructions. Beneficial effects: The intelligent street lamp network linkage dimming control system provided by the invention divides the street lamp in the area to be controlled into several subarea control segments for independent control through the road type and road section environment, and performs brightness control according to the specific road characteristics of each subarea control segment. On the one hand, energy consumption is saved, and on the other hand, lighting effect is improved, so as to overcome the existing technology. For an entire section of a region, the brightness of the street lights set on it is unified control, resulting in insufficient control accuracy, affecting the lighting effect, but also cause energy waste; Further, the intelligent street lamp network linkage dimming control method divides the area to be controlled into several subarea control segments. First, the road brightness command is generated based on the road type and road environment of the subarea control segment, then the road condition brightness command is generated by collecting road condition coefficient analysis, and then the road brightness adjustment command is generated based on the road condition brightness command and road condition brightness command. Then collect the environmental coefficient of the sub area control segment, generate environmental brightness adjustment instructions based on the environmental coefficient of the subarea control segment, generate comprehensive brightness adjustment instructions based on the road brightness adjustment instructions and environmental brightness adjustment instructions, and control the lighting brightness of the street lamp based on the comprehensive brightness adjustment instructions, so as to control the brightness of the street lamp. Comprehensive consideration of the road type, road environment, road condition coefficient and environmental coefficient, comprehensive consideration of the lighting brightness needs of the subarea control section, to ensure the reasonable lighting brightness needs of the subarea control section, to overcome the existing technology solely based on the brightness of the external environment to control the brightness of the street lamp, the lighting effect is poor, lighting brightness is unreasonable. Explanation on Drawings The invention is further explained in combination with the attached drawings and implementation methods below: Drawing 1 is a module connection diagram of the intelligent street lamp networked linkage dimming control system for the implementation method of the invention; Drawing 2 is a owchart of the intelligent street lamp networked linkage dimming control method provided for the implementation method of the invention; Drawing 3 is a state diagram of the street lamp switch control for the implementation method of the invention. Specific Implementation Method In order to make it easy to understand the technical means, creative features, objectives and effects of the invention, the invention is further elaborated in combination with specific illustrations. It should be noted that the implementation methods of the invention and the features in the implementation methods can be combined with each other without conict. Implementation method 1 Please refer to Drawing 2. The implementation method of the invention provides a technical scheme: The intelligent street lamp network linkage dimming control method includes: According to the road type, the street lights in the area to be controlled are divided into n subarea control areas, where n is a positive integer set greater than 1. According to the section environment of the subarea control area, each subarea control area is divided into m subarea control area, where m is a set of positive integers greater than 1. The road types include national roads, provincial roads, county roads and urban roads. The road section environment includes residential roads, forest roads, mountain roads and plain roads, that is, according to the road type, the street lights in the area to be controlled are divided into n subarea control areas, and then according to the road section environment, each subarea control area is divided into m subarea control sections, so as to independently control the brightness of the street lights on each sub area control section. Improve the accuracy of street lamp brightness control; That is, the street light in the area to be controlled is divided into several sub regional control segments for independent control by road type and road section environment, and brightness control is carried out according to the specific road characteristics of each subregional control segment. On the one hand, energy consumption is saved, and comprehensive lighting effect is improved, thus overcoming the existing technology, for an entire section of a region, When the street lights set on the road section are used, the brightness of the street lights is unified control, resulting in insufficient control accuracy, affecting the lighting effect, and causing the waste of energy. Implementation method 2 Please refer to Drawing 2. Based on the above implementation methods, the section brightness instruction is generated based on the road type and section environment of the subarea control section; The brightness instruction of the section includes the brightness instruction of the first section, the brightness instruction of the second section and the brightness instruction of the third section, and the brightness demand of the brightness instruction of the first section, the brightness instruction of the second section and the brightness instruction of the third section are successively reduced; Methods for generating road brightness commands based on the road type and road environment of the subarea control segment include: When the subarea control section simultaneously has: national road and residential road or national road and mountain road, national road and forest road, national road and plain road, provincial road and residential road, provincial road and mountain road, the brightness instruction of the first class section is generated; When the subarea control section has: provincial road and forest road, provincial road and plain road, county road and residential road, county road and mountain road, urban road and residential road, urban road and mountain road, then the brightness instruction of the second grade section is generated; When the subarea control section simultaneously has: county road and forest road, county road and plain road, urban road and forest road, urban road and plain road, the third grade section brightness instruction is generated; It should be noted that due to the regular speed limit of national roads, provincial roads, county roads and urban roads, the lighting brightness demand is also reduced in turn, and residential roads, mountain roads, forest roads and plain roads because of their environment, so that their lighting brightness needs are also reduced in turn. Obtaining the road condition coefficient of subregion control section; The parameters affecting the road condition coefficient include road width data, road curvature data and road slope data. The road width data, road curvature data and road slope data are directly obtained from the road design drawings; The method for obtaining the road condition coefficient includes: Lsz = 81><Ld+82 ><Lw +83 ><Lp; Wherein, LKXS is the road condition coefficient, Ld is the road width, LW is the road curvature, Lp is the road slope, al, 82 and a3 is the weight factor, moreover, al, 82 and B3 are all greater than 0. It should be noted that the size of the weight factor is a specific value obtained in order to quantify each data, which is convenient for subsequent comparison. The size of the weight factor depends on the number of comprehensive parameters and the technical personnel in the field preliminarily set the corresponding weight factor for each set of comprehensive parameters. It should be noted that the greater the road condition factor, the higher the lighting brightness demand, on the contrary, the greater the road width, the higher the lighting brightness demand, on the contrary, the greater the road curvature, the higher the lighting brightness demand, on the contrary, the greater the road slope, the higher the lighting brightness demand, on the contrary. The road condition brightness command is generated based on the road condition coefficient of the subarea control segment. The road condition brightness instruction comprises a first grade road condition brightness instruction, a second grade road condition brightness instruction and a third grade road condition brightness instruction, wherein the brightness demand of the first grade road condition brightness instruction, the second grade road condition brightness instruction and the third grade road condition brightness instruction decreases successively. The method for generating a road condition brightness command based on the road condition coefficient of the subarea control segment includes: The gradient threshold of preset road condition coefficient, LK1 and LK2, LK1 is less than LKz; The gradient threshold of the road condition coefficient is determined by those skilled in the art on the basis of data fitting. If LKXS is less than or equal to LK1, the subarea control segment is marked as a third grade road condition brightness instruction; If LKXS is greater than LK1 and less than LKZ, the subarea control segment is marked as the second grade road condition brightness instruction; If LKXS is greater than or equal to LK2, the subarea control segment is marked as a the first grade road condition brightness instruction. Generating road brightness adjustment instruction based on road brightness instruction and road condition brightness instruction; The road brightness adjustment instruction comprises a first grade road brightness adjustment instruction, a second grade road brightness adjustment instruction and a third grade road brightness adjustment instruction, and the brightness demand of a first grade road brightness adjustment instruction, a second grade road brightness adjustment instruction and a third grade road brightness adjustment instruction decreases successively; The method for generating road brightness adjustment instructions based on road section brightness instructions and road condition brightness instructions includes: When the subarea control segment has at the same time: the first grade road condition brightness instruction and the first grade road condition brightness instruction, the first grade road condition brightness instruction and the second grade road condition brightness instruction, the second grade road condition brightness instruction and the first grade road condition brightness instruction, the third grade road condition brightness instruction and the third grade road condition brightness instruction, the third grade road condition brightness instruction and the first grade road condition brightness instruction, the the first grade road brightness adjustment instruction is generated; When the subarea control segment simultaneously has: second grade road condition brightness instruction and second grade road section brightness instruction, second grade road condition brightness instruction and tertiary road section brightness instruction, tertiary road condition brightness instruction and second grade road section brightness instruction, the second grade road brightness adjustment instruction is generated; When the subarea control segment has at the same time: three level road brightness instruction and three level road condition brightness instruction, this generates three level road brightness adjustment instruction. Obtaining the environment coefficient of subarea control segment in real time; Parameters that affect the environmental coefficient of the subarea control segment include: external environmental brightness, external environmental visibility; The brightness of the external environment can be obtained by the installed brightness sensor, the visibility of the external environment can be measured by the infrared sensor of the concentration of particles and water vapor in the atmosphere, and then through the preestablished correlation between the concentration of particles and water vapor in the atmosphere and visibility, the visibility of the current area is obtained; The method for obtaining the environmental coefficient includes: HJXS=84XGZ+85><njd; Wherein, HJXS is the environment coefficient of the subarea control segment, GZ is the brightness of the subarea control segment, Iljd is the Visibility of the sub area control segment, 84 and 85 are the weight factor, moreover, both 84 and 85 are greater than 0. It should be noted that the size of the weight factor is a specific value obtained in order to quantify each data, which is convenient for subsequent comparison. The size of the weight factor depends on the number of comprehensive parameters and the technical personnel in the field preliminarily set the corresponding weight factor for each set of comprehensive parameters. It should be noted that the greater the environmental factor of the subarea control segment, the lower the lighting brightness needs to be, and the reverse is the opposite, the higher the brightness of the subarea control segment, the lower the lighting l4 brightness needs to be, and the reverse is the opposite, the higher the visibility of the subarea control segment, the lower the lighting brightness needs to be, and the reverse is the opposite. The environment brightness adjustment instruction is generated based on the environment coefficient of the subarea control segment. The ambient brightness adjustment instruction includes a first grade ambient brightness adjustment instruction, a second grade ambient brightness adjustment instruction and a third grade ambient brightness adjustment instruction, wherein the brightness demand of the first grade ambient brightness adjustment instruction, a second grade ambient brightness adjustment instruction and a third grade ambient brightness adjustment instruction increases successively; The method for generating an ambient brightness adjustment instruction based on the environmental coefficient of the subarea control segment includes: The gradient threshold of preset environmental coefficient, HJ1 and HJZ, HJ1 is less than HJ 2; The gradient threshold of the environmental coefficient is determined by those skilled in the art on the basis of data fitting. If HJXS is less than or equal to HJ 1, the subarea control segment is marked as a the third grade ambient brightness adjustment instruction; If HJXS is greater than HJ 1 and less than HJZ, the subarea control segment is marked as a second grade ambient brightness adjustment instruction; If HJXS is greater than or equal to HJZ, this subarea control segment is marked as a the first grade ambient brightness adjustment instruction. Generating comprehensive brightness adjustment instructions based on road brightness adjustment instructions and environment brightness adjustment instructions. Methods for generating comprehensive brightness adjustment instructions based on road brightness adjustment instructions and ambient brightness adjustment instructions include: Obtaining the road brightness adjustment instructions and environmental brightness adjustment instructions of the current subarea control segment, obtain the instruction level of the road brightness adjustment instructions and environmental brightness adjustment instructions, and control the street light brightness of the current subarea control segment based on the instruction level higher. Specifically, the intelligent street lamp network linkage dimming control method divides the area to be controlled into several subarea control segments. First, the road brightness command is generated based on the road type and road environment of the subarea control segment, and then the road condition brightness command is generated based on the road condition brightness command and road condition brightness command. Then collect the environmental coefficient of the subarea control segment, generate environmental brightness adjustment instructions based on the environmental coefficient of the subarea control segment, generate comprehensive brightness adjustment instructions based on the road brightness adjustment instructions and environmental brightness adjustment instructions, and control the lighting brightness of the street lamp based on the comprehensive brightness adjustment instructions, so as to control the brightness of the street lamp. Comprehensive consideration of the road type, road environment, road condition coefficient and environmental coefficient, comprehensive consideration of the lighting brightness needs of the subarea control section, to ensure the reasonable lighting brightness needs of the subarea control section, to overcome the existing technology solely based on the brightness of the external environment to control the brightness of the street lamp, the lighting effect is poor, lighting brightness is unreasonable. Implementation method 3 Please refer to Drawing 3, this implementation method adds a street lamp switch control unit on the basis of the above implementation method; The street light switch control unit includes: The integrated data acquisition module is used to obtain the speed data of vehicles on the road, the spacing data between adjacent street lights and the vehicle position data; The data analysis module generates the switch control coefficient according to the collected vehicle speed data and the spacing data between adjacent street lights; The switch control module generates the street lamp opening command according to the switch control coefficient, and controls the street lamp opening in the corresponding area in front of the vehicle based on the street lamp opening command and vehicle position data. The street lamp opening command includes a first grade street lamp opening command, a second grade street lamp opening command and a third grade street lamp opening command, in which the number of street lamps opened by the first grade street lamp opening command, a second grade street lamp opening command and a third grade street lamp opening command increases in turn; The methods for generating the switch control factor based on the collected vehicle speed data and the spacing data between adjacent street lights include: a >< Cs KGxs = 6; a, >< JL Wherein, KGXS is the switch control coefficient, CS is the speed data of vehicles on the road, J L is the spacing data between adjacent street lights, 86 and B7 are the weight factor, and a6 and 87 are all greater than 0; It should be noted that the size of the weight factor is a specific value obtained in order to quantify each data, which is convenient for subsequent comparison. The size of the weight factor depends on the number of comprehensive parameters and the technical personnel in the field preliminarily set the corresponding weight factor for each set of comprehensive parameters. The methods for controlling the number of street lights on according to the switch control coefficient include: The gradient threshold of the preset switch control coefficient is KG1 and KG2, where KG1 < KG2; The gradient threshold of the switch control coefficient is determined by the skilled personnel in the field based on data fitting; When KGXS S KG1, a first grade street lamp open command is generated; When KG1 < KGXS S KGZ, the second grade street light start command is generated; When KGXS > KGZ, the third grade street light start command is generated. It should be noted that this implementation method can be applied to the scene of a road section with less traffic in the second half of the night, so that when a vehicle comes, according to the vehicle speed and the distance between the street lights, a number of street lights in front of the reasonable control are turned on regularly for lighting. Such a street lamp switch is set to save electric energy to the maximum. Implementation method 4 Pleas refer to Drawing 1, the intelligent street lamp network linkage dimming control system includes: According to the type of road, the partition module divides the street lights in the area to be controlled into n subarea control areas, where n is a positive integer set greater than 1; According to the section environment of the subarea control area, each subarea control area is divided into m subarea control area, where m is a set of positive integers greater than 1; The section data analysis module generates the section brightness instruction based on the road type and section environment of the subarea control section; The road condition data acquisition module obtains the road condition coefficient of subarea control section; The road condition data analysis module generates the road condition brightness instruction based on the road condition coefficient of subarea control segment; The first comprehensive analysis module generates road brightness adjustment instructions based on road brightness instructions and road condition brightness instructions; The environmental data acquisition module, realtime acquisition of subarea control section of the environmental coefficient; The environment data analysis module generates the environment brightness adjustment instruction based on the environment coefficient of the subarea control segment; The second comprehensive analysis module generates comprehensive brightness adjustment instructions based on road brightness adjustment instructions and environment brightness adjustment instructions. The basic principles, main features and advantages of the invention are shown and described above. The technical personnel of the trade should understand that the invention is not limited by the above implementation methods, the above implementation methods and the description in the specification only describe the principle of the invention, without deviating from the spirit and scope of the invention, the invention is subject to various changes and improvements, and these changes and improvements fall within the scope of the invention that requires protection. The scope of protection claimed by the invention is defined by the attached claims and their equivalents.

Claims

1. Method for smart street lighting with linked dimming control, characterized by: the distribution of street lighting in the area to be controlled based on the type road, which divides the street lighting in the area to be controlled into n subregulatory areas, where 11 is a set of positive integers greater than then 1 is; dividing each subregulatory area into m subregulatory segments based on the area around the road segment, where m is a set of positive integers numbers greater than 1 is; generating a brightness instruction for the road segment based on the type of road and the environment of the sub-regulation segment; obtaining the traffic factor of the subregulation segment; the parameters that influence the traffic factor include road width data, road curvature data and road slope data; the method for obtaining the traffic factor includes: Lsz = al > <Ld+82><Lw +83 ><Lp ; in the formula LKXS is the traffic factor, Ld is the road width, LW is the curvature of the road, Lp the slope of the road, and all, 82 and AAAB?) are weighting factors, with δ1, δ2, and a3 all being greater than 0; generating a brightness instruction based on the traffic factor of the subregulation segment; generating a road brightness adjustment instruction based on the road segment brightness instruction and the traffic brightness instruction; obtaining the environmental factor of the subregulation segment in real time; the parameters that influence the environmental factor of the subregulation segment, include: external ambient brightness and external ambient visibility; the method for obtaining the environmental factor includes: HJXS = 84 > <GZ+85 ><njd ; in the formula HJXS is the environmental factor of the subregulation segment, GZ is the brightness of the subregulation segment, and the visibility of the subregulation segment, and 84 and 65 are weighting factors, with 84 and 65 all be greater than 0; generating an ambient brightness adjustment instruction based on the environmental factor of the subregulation segment; generating an integrated brightness adjustment instruction based on the road brightness adjustment instruction and the ambient brightness adjustment instruction.

2. Method for smart street lighting with linked dimming control according to conclusion 1, characterized by: the road type includes national roads, provincial roads, district roads and urban roads; road environments include roads in residential areas, forested areas, mountainous areas and flat areas; The road segment brightness instructions include primary, secondary and tertiary brightness instructions, which include the brightness requirements of primary, secondary and tertiary instructions respectively; the method for generating brightness instructions for road segments on based on the road type and road environment of the sub-regulation segment includes: when the subregulation segment simultaneously has the following combinations: a national road and a residential road or a national road and a mountain road, a national road and a forest road, a national road and a flat road, a provincial road and a residential road, a provincial road and a mountain road, becomes a primary brightness instruction generated; when the subregulation segment simultaneously has the following combinations: a provincial road and a forest road, a provincial road and a flat road, a district road and a residential road, a district road and a mountain road, a city road and a residential road, an urban road and a mountain road, becomes a secondary brightness instruction generated; when the subregulation segment simultaneously has the following combinations: a district road and a forest road, a district road and a flat road, a city road and a forest road, a city road and a flat road, becomes a tertiary clarity instruction generated.

3. Method for smart street lighting with linked dimming control according to conclusion 2, characterized by: Traffic clarity instructions include primary, secondary and tertiary traffic clarity instructions, specifying the clarity requirements of primary, secondary and tertiary instructions respectively; the method for generating traffic clarity instructions based on the traffic factor of the sub-regulation segment includes: preset gradient threshold values ​​of the traffic factor, LK1 and LKZ, where LK1 is smaller than LK2; if LKXS is less than or equal to LK1, the subregulatory segment marked with a tertiary traffic clarity instruction; if LKXS is greater than LK1 and less than LKg, the subregulatory segment marked with a secondary traffic clarity instruction; if LKXS is greater than or equal to LK2, the subregulatory segment marked with a primary traffic clarity instruction.

4. Method for smart street lighting with linked dimming control according to conclusion 1, characterized by: The road brightness adjustment instructions include primary, secondary and tertiary adjustment instructions, specifying the brightness requirements of primary, secondary and tertiary instructions respectively; the method for generating brightness adjustment instructions for roads based on the brightness instructions of road segments and traffic clarity instructions include: when the subregulation segment simultaneously has the following combinations: a primary traffic clarity instruction and a primary road segment brightness instruction, a primary traffic brightness instruction and a secondary road segment brightness instruction, a secondary traffic clarity instruction and a primary road segment clarity instruction, a primary traffic clarity instruction and a tertiary road segment clarity instruction, a tertiary traffic clarity instruction and a primary road segment brightness instruction, becomes a primary road brightness adjustment instruction generated; when the subregulation segment simultaneously has the following combinations: a secondary traffic clarity instruction and a secondary road segment brightness instruction, a secondary traffic brightness instruction and a tertiary road segment brightness instruction, a tertiary traffic brightness instruction and a secondary road segment brightness instruction, a secondary road brightness adjustment instruction generated; when the subregulation segment simultaneously has the following combinations: a tertiary traffic brightness instruction and a tertiary road segment brightness instruction, a tertiary road brightness adjustment instruction is generated.

5. Method for smart street lighting with linked dimming control according to conclusion 4, characterized by: the ambient brightness adjustment instructions include primary, secondary and Tertiary environmental brightness adjustment instructions, which specify the brightness requirements of primary, secondary and tertiary instructions increase respectively; the method for generating ambient brightness adjustment instructions based on the environmental factor of the subregulation segment includes: preset gradient threshold values ​​of the environmental factor, HJ 1 and HJz, where HJ 1 is less than HJZ; if HJXS is less than or equal to HJ 1, the subregulation segment marked with a tertiary ambient brightness adjustment instruction; if HJXS is greater than HJ1 and less than HJz, the subregulation segment marked with a secondary ambient brightness adjustment instruction; if HJXS is greater than or equal to H12, the subregulation segment marked with a primary ambient brightness adjustment instruction.

6. Method for smart street lighting with linked dimming control according to conclusion 1, characterized by: the external ambient brightness is obtained through installed brightness sensors, and the external ambient visibility is measured using of infrared sensors that measure the concentration of particles and water vapor in the atmosphere measure. Then the visibility in the current area is obtained by using to make use of the pre-established relationship between the concentration of particles and water vapor and visibility.

7. Method for smart street lighting with linked dimming control according to claim 1, characterized by, the method for generating an integrated brightness adjustment instruction based on the road brightness adjustment instruction and the ambient brightness adjustment instruction includes: obtaining the road brightness adjustment instruction and the ambient brightness adjustment instruction of the current sub-regulation segment, the obtaining the instruction levels of both instructions, and arranging the brightness of street lighting in the current sub-regulation segment based on the instruction at the highest level.

8. Method for smart street lighting with linked dimming control according to claim 1, characterized by, the method also includes a street lighting switching control unit; The street lighting switching control unit includes: an integrated data collection module, used to speed data of vehicles on the road, the distance data between adjacent obtain streetlights and vehicle position data; a data analysis module, which is based on the collected speed data from vehicles and the distance data between adjacent street lamps a generates switching control factor; a switching control module, which, based on the switching control factor, generates street lamp lighting command and, based on the lighting command and the vehicle position data, switches on the street lights that match the area in front of the vehicle; the lighting command for street lamps includes primary, secondary and tertiary lighting commands, where the number of streetlights switched on increases for primary, secondary and tertiary lighting commands respectively. the method for generating the switching control factor based on the collected speed data from vehicles and the distance data between adjacent street lights include: KGXS = a6 X CS 3, >< JL KGXS Cs in the formula is the switching control factor, the speed data of JL vehicles on the road, the distance data between adjacent streetlights, and 36 37 36 37 and are weighting factors, where and are greater than 0. the method for controlling the number of street lights switched on based on of the switching control factor includes: preset gradient threshold values ​​of the switching control factor, KG1 and KG2, where KG1 < KG2; if KGXS 5 KG1, a primary lighting command is generated; If KG1 < KGXS S KG2, a secondary lighting command is generated; if KGXS > KG2, a tertiary lighting command is generated.

9. Smart network lighting and dimming control system for street lamps, featured Through: zone division module: divides the street lights in the area to be controlled into zones based on the road type, which divides the street lights into n subregulation zones, where n is a set of positive integers greater than 1; segmentation module: divides each subregulatory area into m subregulatory segments based on the road environment, where m is a set of positive integers is greater than 1; Road segment data analysis module: generates brightness instructions for road segments based on the road type and the environment of the sub-regulation segment; traffic data collection module: obtains the traffic factor from the subregulation segment; Traffic data analysis module: generates traffic clarity instructions on basis of the traffic factor of the sub-regulation segment; first integrated analysis module: generates road brightness adjustment instructions based on the brightness instructions of road segments and traffic clarity instructions; Environmental Data Collection Module: Obtain environmental factors in real time of the subregulation segment; environmental data analysis module: generates ambient brightness adjustment instructions based on the ambient factor of the subregulation segment; second integrated analysis module: generates integrated brightness adjustment instructions based on the road brightness adjustment instruction and the ambient brightness adjustment instruction. 1 / 3 FIG. 1

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