CN112802328A - Intelligent lamp pole system and dimming method thereof - Google Patents
Intelligent lamp pole system and dimming method thereof Download PDFInfo
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- CN112802328A CN112802328A CN201911112816.2A CN201911112816A CN112802328A CN 112802328 A CN112802328 A CN 112802328A CN 201911112816 A CN201911112816 A CN 201911112816A CN 112802328 A CN112802328 A CN 112802328A
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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- G—PHYSICS
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/048—Detecting movement of traffic to be counted or controlled with provision for compensation of environmental or other condition, e.g. snow, vehicle stopped at detector
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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
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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Abstract
The invention provides a smart lamp post system and a dimming method thereof, wherein the system comprises lamp posts, a base station, a router, a cloud platform and a client, wherein the lamp posts are arranged on two sides of a road and used for illuminating the road and acquiring road surface humidity information, road visibility information, traffic flow and average speed information of the road; the lamp post is in communication connection with the base station and is used for transmitting the collected road surface humidity information, road visibility information, traffic flow and average speed information to the cloud platform through the base station and the router; the cloud platform receives road surface dryness and humidity information, road visibility information, traffic flow and average vehicle speed information collected by the lamp post and sends dimming control information to the lamp post; the client side is connected to the cloud platform for static attribute and the dynamic attribute configuration of lamp pole are saved in the cloud platform, can adapt to the lighting requirement of urban road under the different scenes, promote the service level that becomes more meticulous in the construction of wisdom city, strengthen the wisdom degree in wisdom city.
Description
Technical Field
The invention belongs to the field of smart cities, and relates to a smart lamp pole system and a dimming method thereof.
Background
The existing intelligent lamp post system singly adjusts the light of the intelligent lamp post illumination according to the parameters such as ambient light illumination, road visibility or traffic flow, and the like, but the actual situation of urban road illumination is complex, and the light is not uniformly adjusted according to a certain parameter or a plurality of parameters, for example, the urban road is distinguished by a motor way, a road junction and the like, and the motor way is distinguished by a main road, a secondary road, a branch road and the like; the road junction is divided into main road junction, secondary road junction and branch road junction, and the factors concerned by various roads are different, the motor vehicle lane may be concerned more about whether the road surface is asphalt road surface or cement road surface, whether the road surface is dry or wet, the traffic flow on the lane, the average speed, etc.; the road illuminance at the intersection is higher than the illuminance of the motorway under the same road conditions. Therefore, these single dimming methods are far from being adapted to the lighting requirements of complex and variable urban roads, and different road conditions and different environmental factors must be distinguished for dimming.
Disclosure of Invention
In order to effectively solve the existing problems, the intelligent lamp pole system and the dimming method thereof are provided, and by means of the dimming method, the intelligent lamp pole system can adapt to the lighting requirements of urban roads in different scenes, the fine service level in the construction of the intelligent city is improved, and the intelligent degree of the intelligent city is enhanced.
The technical scheme of the invention is as follows:
an intelligent lamp pole system is characterized by comprising a lamp pole, a base station, a router, a cloud platform and a client,
the lamp posts are arranged on two sides of the road and used for illuminating the road and collecting road surface dryness and humidity information, road visibility information, traffic flow and average speed information of the road;
the lamp post is in communication connection with the base station and is used for transmitting the collected road surface humidity information, road visibility information, traffic flow and average speed information to the cloud platform through the base station and the router;
the cloud platform receives road surface dryness and humidity information, road visibility information, traffic flow and average vehicle speed information collected by the lamp post and sends dimming control information to the lamp post;
the client is connected to the cloud platform and used for configuring the static attributes and the dynamic attributes of the lamp pole into the cloud platform to be stored.
The lamp pole includes rainfall sensor, visibility sensor, traffic flow detector, wisdom gateway and lamps and lanterns, rainfall sensor, visibility sensor, traffic flow detector connect the wisdom gateway respectively and install on the lamp pole, thereby rainfall sensor is used for detecting the dry humidity on a local region's rainfall perception road pavement, and visibility sensor is used for detecting the road visibility of a local region under different weather environment, and traffic flow detector is used for detecting traffic flow and the average speed of a motor vehicle on the lane.
The lamp comprises an LED lamp bank, an NB-IOT single lamp controller and an LED driving power supply, wherein the NB-IOT single lamp controller is in communication connection with the cloud platform and is used for receiving dimming information of the cloud platform and controlling the LED lamp bank to dim, and the LED driving power supply is used for supplying power to the LED lamp bank.
The static attribute configuration of the light pole comprises configurationThe number of each road section, the name of the road section, the type of the road section, and the illumination interval [ L ] of each road section typemin，Lmax]，LminIs a minimum illumination value, LmaxIs the maximum illuminance value; configuring the rainfall sensor number corresponding to the road section, the visibility sensor number corresponding to the road section, the traffic flow detector number corresponding to the road section, and the road section number to which the lamp post belongs and the number of the corresponding NB-IOT single-lamp controller; the dynamic attribute configuration of the lamp post comprises the upper limit and the lower limit of a rainfall value, a visibility value, a traffic flow value and an average speed value.
A dimming method of a smart lamp pole system comprises the following specific steps:
s1, the intelligent gateway collects rainfall amount values, visibility values, traffic flow values and average speed values at regular time through a rainfall sensor, a visibility sensor and a traffic flow detector which are connected with the intelligent gateway respectively;
s2, the intelligent gateway reports the dynamic attribute values of the rainfall value, the visibility value, the traffic flow value and the average speed value and corresponding rainfall sensor, visibility sensor and traffic flow detector numbers to a cloud platform;
s3, the cloud platform receives reported data of the intelligent gateway, and stores dynamic attribute values of a rainfall sensor, a visibility sensor, a traffic flow detector number and corresponding rainfall value, visibility value, traffic flow value and average speed value;
s4, inquiring an illumination interval corresponding to the lamp pole and numbers of a corresponding rainfall sensor, a visibility sensor and a traffic flow detector by the cloud platform, and inquiring upper and lower limits of dynamic attribute values such as a current rainfall value, a visibility value, a traffic flow value and an average speed value corresponding to the lamp pole;
s5, respectively calculating an illumination value L1 of a current rainfall, an illumination value L2 of a current traffic flow, an illumination value L3 in a current average speed scene and an illumination value L4 in a current visibility scene of a lamp to which the lamp post belongs;
s6, the cloud platform takes the maximum value of the illumination value calculated in the step S5 as a final dimming illumination value;
s7, the cloud platform issues a finally calculated dimming illumination value instruction to the corresponding NB-IOT single lamp controller according to the NB-IOT single lamp controller number;
and S8, the NB-IOT single lamp controller receives the dimming instruction of the cloud platform to control the LED driving power supply to dim the LED lamp bank.
The specific steps of step S4 are:
regularly, traversing and inquiring road section numbers and NB-IOT single lamp controller numbers corresponding to each lamp post;
further inquiring corresponding rainfall sensor number, visibility sensor number, traffic flow detector number and road type through the road section number;
and further inquiring the corresponding illumination interval according to the road type.
In step S5, the calculation formulas of the illuminance value L1 of the current rainfall, the illuminance value L2 of the current traffic flow, and the illuminance value L3 in the current average vehicle speed scene are:
wherein, L is the illumination value of the dynamic attribute values of the current rainfall value, the current traffic flow value and the current average speed value, A is the dynamic attribute values of the current rainfall value, the current traffic flow value and the current average speed value, and A is the illumination value of the current rainfall value, the current traffic flow value and the current average speed valuedownIs the lower limit of the dynamic attribute values of the current rainfall value, the current traffic value and the current average speed value, AupThe upper limits of the dynamic attribute values of the current rainfall value, the current vehicle flow value and the current average vehicle speed value are set;
the formula for calculating the illuminance value L4 in the current visibility is as follows:
where L ' is an illumination value, A ', of this dynamic attribute value in current visibility 'downIs the lower bound, A ', of this dynamic attribute value at current visibility'upFor this dynamic attribute under current visibilityThe upper limit of the sex value.
Compared with the prior art, the invention has the beneficial effects that: this wisdom lamp pole system can adapt to the lighting requirement of urban road under the different scenes, promotes the service level that becomes more meticulous in the construction of wisdom city, strengthens the wisdom degree in wisdom city.
Drawings
FIG. 1 is a schematic diagram of the system networking of the present invention.
Fig. 2 is a schematic block diagram of the lamp post structure of the present invention.
FIG. 3 is a flowchart illustrating a process for dynamically adjusting the illumination of a lamp according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the present invention provides a technical solution:
an intelligent lamp pole system comprises a lamp pole 1, a base station 2, a router 3, a cloud platform 4 and a client 5,
the lamp post 1 is arranged on two sides of a road and used for illuminating the road and collecting road surface dryness and humidity information, road visibility information, traffic flow and average speed information of the road;
the lamp post 1 is in communication connection with the base station 2 and is used for transmitting the collected road surface humidity information, road visibility information, traffic flow and average speed information to the cloud platform 4 through the base station 2 and the router 3;
the cloud platform 4 receives road surface dryness and humidity information, road visibility information, traffic flow and average vehicle speed information collected by the lamp post 1 and sends dimming control information to the lamp post 1;
the client 5 is connected to the cloud platform 4, and is used for configuring the static attributes and the dynamic attributes of the lamp pole 1 into the cloud platform 4 for storage.
The lamp pole 1 includes rainfall sensor 10, visibility sensor 11, traffic flow detector 12, wisdom gateway 13 and lamps and lanterns 14, rainfall sensor 10, visibility sensor 11, traffic flow detector 12 connect wisdom gateway 13 respectively and install on lamp pole 1, thereby rainfall sensor 10 is used for detecting the dry humidity on the rainfall perception road surface of a local region, and visibility sensor 11 is used for detecting the road visibility of a local region under different weather environment, and traffic flow detector 12 is used for detecting traffic flow and the average speed of a motor vehicle on the lane.
The lamp 14 includes an LED lamp group 140, an NB-IOT single lamp controller 141, and an LED driving power supply 142, where the NB-IOT single lamp controller 141 is in communication connection with the cloud platform 4, and is configured to receive dimming information of the cloud platform 4 and control the LED lamp group 140 to dim, and the LED driving power supply 142 is configured to supply power to the LED lamp group 140.
The static attribute configuration of the lamp post 1 comprises the configuration of the serial number of each road section, the name of each road section and the type of each road section, the division of a road into a plurality of road sections by taking a road junction as a demarcation point, and the configuration of the serial number of each road section, the name of each road section and the type of each road section. The road section name is not repeated, and the road section type is one of 9 types of a main asphalt road, a main cement road, a secondary dry asphalt road, a secondary dry cement road, an asphalt branch, a cement branch, a main intersection area, a secondary dry intersection area and a branch intersection area. And configuring an illumination interval [ Lmin, Lmax ] of each road section type, wherein Lmin is a minimum illumination value, Lmax is a maximum illumination value, and the lamp dimming of the road section is only allowed to be adjusted in the interval. The rainfall sensor 10 number corresponding to the configured road section generally covers one area when rainfall occurs, so that one rainfall sensor is installed in one area, namely, one rainfall sensor is shared by a plurality of road sections, and the many-to-one relation is achieved. The visibility sensors 11 corresponding to the configured road sections can cover an area in the presence of fog and the like, and the visibility sensors are installed in the area, namely the visibility sensors are shared by the road sections in a many-to-one relation. The numbers of the traffic flow detectors 12 corresponding to the road sections are configured, and the traffic flows in the same road section are equal, so that one traffic flow detector can be installed in one road section, namely, the traffic flow detectors are in one-to-one correspondence. The number of the road section to which the lamp post 1 belongs and the number of the corresponding NB-IOT single lamp controller 141 are configured, the single lamp controller is installed in the lamp on the lamp post, and one single lamp controller is installed in one lamp post, so that the lamp posts and the single lamp controllers are in one-to-one correspondence. The dynamic attribute values include rainfall values, visibility values, traffic flow values and average vehicle speed values, which are dynamically changed over time. Before the dynamic attribute values are acquired, the numbers of all the acquisition terminals (a rainfall sensor, a visibility sensor and a traffic flow detector) and the upper limit and the lower limit of the corresponding dynamic attribute values are respectively configured and stored in a cloud platform through a Web client. The upper limit of the dynamic attribute value of each acquisition terminal corresponds to maximum illumination dimming, and the lower limit value corresponds to minimum brightness dimming. The dynamic attribute configuration of the lamp post 1 comprises upper and lower limits of rainfall value, visibility value, traffic flow value and average speed value.
The main innovation points of the system are as follows:
1. marking static attributes and dynamic attributes on the intelligent lamp pole, wherein the static attributes are attributes which are relatively difficult to change along with time and comprise attributes of the road section and the type of the road section; the attribute of the road section comprises sub-attributes of a rainfall sensor, a visibility sensor and a traffic flow detector which are associated with the attribute; the road section type attribute comprises sub-attributes of a main asphalt road, a main cement road, a secondary dry asphalt road, a secondary dry cement road, an asphalt branch, a cement branch, a main intersection area, a secondary dry intersection area and a branch intersection area; the dynamic attributes are attributes which may change with time, and include rainfall, visibility, traffic flow and average vehicle speed.
2. Each sub-attribute in the road section type attribute corresponds to different illumination intervals, and dynamic dimming is always performed within the illumination interval range;
3. static attributes are stored in the system through external configuration, and dynamic attributes are acquired and stored in the system through a collecting terminal (a rainfall sensor, a visibility sensor and a traffic flow detector) at regular time.
4. The illuminance under the dynamic attributes of rainfall, traffic flow and average vehicle speed is calculated by a formula shown in FIG. 3; and the illumination under the visibility dynamic attribute is obtained by calculation according to a formula (2).
5. When a plurality of dynamic attributes are superposed, the maximum value of the independently calculated illumination intensity is taken as the final illumination intensity to carry out dimming operation so as to adapt to the illumination requirements under various dynamic conditions.
As shown in fig. 3, a dimming method of a smart light pole system includes the following steps:
s1, an intelligent gateway 13 collects a rainfall value, a visibility value, a traffic flow value and an average speed value at regular time through a rainfall sensor 10, a visibility sensor 11 and a traffic flow detector 12 which are connected with the intelligent gateway respectively;
s2, the intelligent gateway 13 numbers the dynamic attribute values of the rainfall value, the visibility value, the traffic flow value and the average speed value and the corresponding rainfall sensor 10, the visibility sensor 11 and the traffic flow detector 12 to the cloud platform 4;
s3, the cloud platform 4 receives reported data of the intelligent gateway, and stores the numbers of the rainfall sensor 10, the visibility sensor 11 and the traffic flow detector 12 and corresponding dynamic attribute values such as a rainfall value, a visibility value, a traffic flow value and an average speed value;
s4, the cloud platform 4 inquires out an illumination interval corresponding to the lamp post 1, numbers of a corresponding rainfall sensor 10, a visibility sensor 11 and a traffic flow detector 12, and inquires out upper and lower limits of dynamic attribute values such as a current rainfall value, a visibility value, a traffic flow value and an average speed value corresponding to the lamp post 1;
s5, respectively calculating an illuminance value L1 of the current rainfall, an illuminance value L2 of the current traffic flow, an illuminance value L3 in the current average speed scene and an illuminance value L4 in the current visibility scene of the lamp 14 to which the lamp post 1 belongs;
s6, the cloud platform 4 takes the maximum value of the illumination value calculated in the step S5 as a final dimming illumination value;
s7, the cloud platform 4 issues a finally calculated dimming illumination value instruction to the corresponding NB-IOT single lamp controller 141 according to the number of the NB-IOT single lamp controller 141;
and S8, the NB-IOT single lamp controller 141 receives the dimming instruction of the cloud platform 4 to control the LED driving power supply 142 to dim the LED lamp bank 140.
The specific steps of step S4 are:
regularly, traversing and inquiring road section numbers and NB-IOT single lamp controller numbers corresponding to each lamp post;
further inquiring corresponding rainfall sensor number, visibility sensor number, traffic flow detector number and road type through the road section number;
and further inquiring the corresponding illumination interval according to the road type.
In step S5, the calculation formulas of the illuminance value L1 of the current rainfall, the illuminance value L2 of the current traffic flow, and the illuminance value L3 in the current average vehicle speed scene are:
wherein, L is the illumination value of the dynamic attribute values of the current rainfall value, the current traffic flow value and the current average speed value, A is the dynamic attribute values of the current rainfall value, the current traffic flow value and the current average speed value, and A is the illumination value of the current rainfall value, the current traffic flow value and the current average speed valuedownIs the lower limit of the dynamic attribute values of the current rainfall value, the current traffic value and the current average speed value, AupThe upper limits of the dynamic attribute values of the current rainfall value, the current vehicle flow value and the current average vehicle speed value are set;
the formula for calculating the illuminance value L4 in the current visibility is as follows:
where L ' is an illumination value, A ', of this dynamic attribute value in current visibility 'downIs the lower bound, A ', of this dynamic attribute value at current visibility'upThe upper limit of the value of this dynamic attribute in the current visibility.
The smart lamp pole system can meet the lighting requirements of urban roads in different scenes by means of the dimming method, improves the fine service level in the construction of smart cities, and enhances the intelligent degree of the smart cities.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An intelligent lamp post system is characterized by comprising a lamp post (1), a base station (2), a router (3), a cloud platform (4) and a client (5),
the lamp post (1) is arranged on two sides of a road and used for illuminating the road and acquiring road surface dryness and humidity information, road visibility information, traffic flow and average speed information of the road;
the lamp post (1) is in communication connection with the base station (2) and is used for transmitting the collected road surface humidity information, road visibility information, traffic flow and average speed information to the cloud platform (4) through the base station (2) and the router (3);
the cloud platform (4) receives road surface dryness and humidity information, road visibility information, traffic flow and average speed information collected by the lamp post (1) and sends dimming control information to the lamp post (1);
the client (5) is connected to the cloud platform (4) and used for configuring the static attributes and the dynamic attributes of the lamp pole (1) into the cloud platform (4) for storage.
2. The intelligent lamp pole system as claimed in claim 1, wherein the lamp pole (1) comprises a rainfall sensor (10), a visibility sensor (11), a traffic flow detector (12), an intelligent gateway (13) and a lamp (14), the rainfall sensor (10), the visibility sensor (11) and the traffic flow detector (12) are respectively connected with the intelligent gateway (13) and installed on the lamp pole (1), the rainfall sensor (10) is used for detecting rainfall of a local area so as to sense dryness and humidity of a road surface, the visibility sensor (11) is used for detecting road visibility of the local area under different weather environments, and the traffic flow detector (12) is used for detecting traffic flow and average vehicle speed on a lane.
3. The intelligent lamp post system as claimed in claim 2, wherein the lamp (14) comprises an LED lamp set (140), an NB-IOT single lamp controller (141), and an LED driving power supply (142), the NB-IOT single lamp controller (141) is in communication with the cloud platform (4) for receiving dimming information of the cloud platform (4) and controlling the LED lamp set (140) to dim, and the LED driving power supply (142) is used for supplying power to the LED lamp set (140).
4. The intelligent lamp post system as claimed in claim 3, wherein the static attribute configuration of the lamp post (1) comprises configuring each road segment number, road segment name, road segment type, and configuring illumination interval [ L ] of each road segment typemin，Lmax]，LminIs a minimum illumination value, LmaxIs the maximum illuminance value; configuring the number of a rainfall sensor (10) corresponding to a road section, the number of a visibility sensor (11) corresponding to the road section, the number of a traffic flow detector (12) corresponding to the road section, the number of a road section to which a lamp post (1) belongs and the number of a corresponding NB-IOT single-lamp controller (141); the dynamic attribute configuration of the lamp post (1) comprises upper and lower limits of rainfall value, visibility value, traffic flow value and average speed value.
5. A dimming method of an intelligent lamp pole system is characterized by comprising the following specific steps:
s1, an intelligent gateway (13) collects rainfall amount values, visibility values, traffic flow values and average speed values at regular time through a rainfall sensor (10), a visibility sensor (11) and a traffic flow detector (12) which are connected with the intelligent gateway respectively;
s2, the intelligent gateway (13) numbers the dynamic attribute values of the rainfall value, the visibility value, the traffic flow value and the average speed value and corresponding rainfall sensor (10), visibility sensor (11) and traffic flow detector (12) to the cloud platform (4);
s3, the cloud platform (4) receives reported data of the intelligent gateway, and stores numbers of the rainfall sensor (10), the visibility sensor (11), the traffic flow detector (12) and corresponding dynamic attribute values such as a rainfall value, a visibility value, a traffic flow value and an average speed value;
s4, the cloud platform (4) inquires out an illumination interval corresponding to the lamp pole (1) and numbers of the corresponding rainfall sensor (10), the visibility sensor (11) and the traffic flow detector (12), and inquires out upper and lower limits of dynamic attribute values, namely a current rainfall value, a visibility value, a traffic flow value and an average speed value, corresponding to the lamp pole (1);
s5, respectively calculating an illumination value L1 of a current rainfall, an illumination value L2 of a current traffic flow, an illumination value L3 in a current average speed scene and an illumination value L4 in a current visibility scene of a lamp (14) to which the lamp post (1) belongs;
s6, the cloud platform (4) takes the maximum value of the illumination value calculated in the step S5 as a final dimming illumination value;
s7, the cloud platform (4) sends the finally calculated dimming illumination value instruction to the corresponding NB-IOT single lamp controller (141) according to the number of the NB-IOT single lamp controller (141);
and S8, the NB-IOT single lamp controller (141) receives the dimming instruction of the cloud platform (4) to control the LED driving power supply (142) to dim the LED lamp group (140).
6. The method as claimed in claim 5, wherein the step S4 includes the following steps:
regularly, traversing and inquiring the road section number and the NB-IOT single lamp controller (141) number corresponding to each lamp post;
the corresponding rainfall sensor (10) number, the visibility sensor (11) number, the traffic flow detector (12) number and the road type are further inquired through the road section number;
and further inquiring the corresponding illumination interval according to the road type.
7. The dimming method of a smart light pole system as claimed in claim 5, wherein the illuminance value L1 of the current rainfall, the illuminance value L2 of the current traffic flow, and the illuminance value L3 in the current average speed scene in step S5 are calculated as follows:
wherein, L is the illumination value of the dynamic attribute values of the current rainfall value, the current traffic flow value and the current average speed value, A is the dynamic attribute values of the current rainfall value, the current traffic flow value and the current average speed value, and A is the illumination value of the current rainfall value, the current traffic flow value and the current average speed valuedownIs the lower limit of the dynamic attribute values of the current rainfall value, the current traffic value and the current average speed value, AupThe upper limits of the dynamic attribute values of the current rainfall value, the current vehicle flow value and the current average vehicle speed value are set;
the formula for calculating the illuminance value L4 in the current visibility is as follows:
where L ' is an illumination value, A ', of this dynamic attribute value in current visibility 'downIs the lower bound, A ', of this dynamic attribute value at current visibility'upThe upper limit of the value of this dynamic attribute in the current visibility.
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| CN201911112816.2A CN112802328A (en) | 2019-11-14 | 2019-11-14 | Intelligent lamp pole system and dimming method thereof |
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Cited By (2)
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