Disclosure of Invention
The invention aims to provide an intelligent LED street lamp use monitoring system based on big data so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: an intelligent LED street lamp use monitoring system based on big data is used on LED street lamps at two sides of a road;
the monitoring system comprises an information acquisition terminal, a micro control terminal, a communication terminal and a master control terminal;
the output end of the information acquisition terminal is electrically connected with the input end of the micro control terminal, the micro control terminals are communicated through the communication terminal, and the micro control terminal is communicated with the master control terminal through the communication terminal.
As a preferable technical scheme, a plurality of traffic lanes are planned on the road, the width of the road is set to be Y meters, a plurality of street lamps are equidistantly arranged on two sides of the road, the distance between the two street lamps is X meters, and X epsilon [20-30].
As a preferable technical scheme, the street lamp comprises a lamp post, a lamp holder, a lamp cap, a control box, a brightness sensor and a distance sensor;
the lamp is characterized in that a lamp holder is transversely and fixedly arranged at the top end of the lamp post, a lamp holder is fixedly arranged at one end of the lamp holder, an LED lamp is arranged in the lamp holder, the horizontal distance between the lamp holder and the lamp post is a meter, a plurality of brightness sensors are arranged on one side of the lamp post, the distance between the brightness sensors and the distance between the brightness sensor at the uppermost end and the joint of the lamp post and the lamp holder are all set to b meters, and a distance sensor is arranged at the bottom end of the lamp post and away from a road surface c meter.
As a preferable technical scheme, the information acquisition terminal comprises a plurality of brightness sensors, a distance sensor and a temperature sensor;
the output ends of the brightness sensor, the distance sensor and the temperature sensor are electrically connected with the input end of the micro-control terminal;
the brightness sensor is used for detecting the ambient brightness and the brightness of the LED lamp in real time, the distance sensor is used for detecting whether a vehicle passes through the street lamp or not and judging the distance between the vehicle and the street lamp, and is used as a judging condition for judging whether the LED lamp is lighted or not, and the temperature sensor is used for detecting and monitoring the temperature of the LED lamp in the use process in real time.
As a preferable technical scheme, the micro control terminal comprises an LED lamp control module and a PLC controller;
the output end of the PLC is electrically connected with the input end of the LED lamp control module, and the output end of the LED lamp control module is electrically connected with the input end of the LED lamp;
the PLC is used for intelligently controlling the LED lamp, and simultaneously, is used for calculating various data in the intelligent control process, and the LED lamp control module is used for controlling the on and off of the LED lamp according to the calculation result of the PLC.
As a preferable technical scheme, the communication terminal comprises an RS485 bus and a ZigBee communication module;
the RS485 bus is used for carrying out communication connection between the PLC controllers, and the ZigBee communication module is used for carrying out real-time communication between the micro control terminal and the master control terminal.
As a preferable technical scheme, the ambient brightness data detected by the brightness sensor is L, and the lighting brightness of the LED lamp is P;
when L is more than P, the LED lamp control module controls the LED lamp not to be lighted;
and when L is less than or equal to P, the LED lamp control module controls the LED lamp to be lighted.
As an optimal technical scheme, under the condition that the LED lamp is lighted, the brightness detected by a plurality of brightness sensors from the top to the bottom at one side of the lamp post is L respectively 1 、L 2 、L 3 、…、L n The luminance difference between the adjacent two luminance sensors is (L 1 -L 2 )、(L 2 -L 3 )、…、(L (n-1) -L n ) The distances between the plurality of brightness sensors at one side of the lamp post from top to bottom and the LED lamp are respectively Q 1 、Q 2 、Q 3 、…、Q n ;
Wherein:
wherein n represents the number of the brightness sensors, and the light attenuation rate between two adjacent brightness sensors from top to bottom at one side of the lamp post is M 1 、M 2 、M 3 、…、M (n-1) ;
Setting the allowable maximum light attenuation rate of the LED street lamp as N;
when M 1 、M 2 、M 3 、…、M (n-1) When the (N-1)/2 item is more than or equal to N, the LED lamp is indicated to be replaced, and the micro control terminal is in total control with the ZigBee communication moduleThe wireless communication is carried out between the ends to send the address that LED street lamp is located, provide the staff and in time carry out the change of LED lamp, realize the prediction to LED lamp life, avoid appearing the LED lamp suddenly damage the condition that can't throw light on, can effectually reduce the traffic accident that the LED lamp suddenly damages and leads to.
As a preferable technical scheme, the temperature detected by the temperature sensor is T ℃, and the highest working temperature of the LED lamp is G ℃;
when T is less than or equal to G, the LED lamp can continue to work without other operations;
when T is more than G, the working temperature of the LED lamp is too high, and a short circuit phenomenon possibly exists, and the micro control terminal performs data communication with the main control terminal through the communication terminal, controls the LED lamp to be closed, and arranges maintenance personnel for maintenance or replacement.
As a preferable technical scheme, the data detected by the distance sensor when no pedestrian or vehicle passes through is Y, and the data detected when the pedestrian or vehicle passes through is Y 1 ;
When Y is 1 When the distance sensor is less than Y/2, indicating that the pedestrian or the vehicle walks or runs on the side of the road, controlling the side road lamp to be lightened by the PLC, transmitting signals to the PLC controllers of two adjacent street lamps by the RS485 bus, starting timing by the PLC controllers of the two adjacent street lamps until the pedestrian or the vehicle runs to one of the adjacent street lamps, detecting whether the pedestrian or the vehicle reaches the street lamp position by the distance sensor arranged at the bottom end of the street lamp, stopping timing by the PLC controllers, and controlling the timing time to be t;
the speed of travel is V:
when V is more than or equal to e, the vehicle runs through, and the street lamps at the front and the rear of the position where the vehicle is located are lightened by a visible distance of 150-200 meters;
when V is smaller than e, the street lamps at the front and the rear of the position where the pedestrian is located are lightened by a visible distance of 20-30 meters;
when Y is 1 And when the distance sensor is not less than Y/2, the pedestrian or the vehicle walks or runs on the other side of the road, and the side road lamp detected by the distance sensor is not lighted.
Compared with the prior art, the invention has the beneficial effects that: be provided with distance sensor, utilize distance sensor to judge that pedestrian or vehicle are close to what side road is gone, and then can light the street lamp of what side road that pedestrian or vehicle are located, avoid pedestrian or vehicle to light the waste of the electric power resource that the street lamp of both sides caused through the time, for the less road of people's flow and traffic flow, simultaneously, be provided with luminance sensor, carry out the detection of different distances and angles to the light that the LED lamp sent, calculate the decay rate of LED lamp in proper order, can be according to the life condition of the effectual prediction LED lamp of decay rate, be convenient for change the LED lamp in time, avoid the LED lamp to extinguish the inconvenience that brings suddenly, simultaneously, can effectually reduce the probability of the traffic accident that the LED lamp extinguished suddenly and cause.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 3, an intelligent LED street lamp use monitoring system based on big data is used on LED street lamps at two sides of a road 1;
the monitoring system comprises an information acquisition terminal, a micro control terminal, a communication terminal and a master control terminal;
the output end of the information acquisition terminal is electrically connected with the input end of the micro control terminal, the micro control terminals are communicated through the communication terminal, and the micro control terminal is communicated with the master control terminal through the communication terminal.
As shown in fig. 5-6, a plurality of traffic lanes 2 are planned on the road 1, the width of the road 1 is set to be Y meters, a plurality of street lamps 3 are equidistantly arranged on two sides of the road 1, the distance between the two street lamps 3 is X meters, and X epsilon [20-30].
The street lamp 3 comprises a lamp post 4, a lamp holder 5, a lamp cap 6, a control box 7, a brightness sensor 8 and a distance sensor 9;
the lamp post 4 top horizontal fixed mounting has lighting fixture 5, lighting fixture 5 one end fixed mounting has lamp holder 6, lamp holder 6 internally mounted has the LED lamp, the horizontal distance of lamp holder 6 and lamp post 4 is a meter, a plurality of luminance sensor 8 is installed to lamp post 4 one side, two distance between luminance sensor 8 and the distance between the luminance sensor 8 of uppermost and lamp post 4 and the junction of lighting fixture 5 all set for b meters, distance sensor 9 is installed to lamp post 4 bottom distance road surface c meter department.
The information acquisition terminal comprises a plurality of brightness sensors 8, a distance sensor 9 and a temperature sensor;
the output ends of the brightness sensor, the distance sensor and the temperature sensor are electrically connected with the input end of the micro-control terminal;
the brightness sensor is used for detecting the ambient brightness and the brightness of the LED lamp in real time, the distance sensor is used for detecting whether a vehicle passes through the street lamp 3 or not and judging the distance between the vehicle and the street lamp 3, and is used as judging conditions for judging whether the LED lamp is lighted or not, and the temperature sensor is used for detecting and monitoring the temperature of the LED lamp in real time in the using process, so that the situation that the LED lamp cannot be replaced timely due to damage caused by overhigh temperature is avoided.
The micro control terminal comprises an LED lamp control module and a PLC controller;
the output end of the PLC is electrically connected with the input end of the LED lamp control module, and the output end of the LED lamp control module is electrically connected with the input end of the LED lamp;
the PLC is used for intelligently controlling the LED lamp, and simultaneously, is used for calculating various data in the intelligent control process, and the LED lamp control module is used for controlling the on and off of the LED lamp according to the calculation result of the PLC.
The communication terminal comprises an RS485 bus and a ZigBee communication module;
as shown in fig. 2, the RS485 bus is used for performing communication connection between the PLC controllers, and the ZigBee communication module is used for performing real-time communication between the micro control terminal and the master control terminal.
As shown in fig. 4, the ambient brightness data detected by the brightness sensor 8 is L, and the lighting brightness of the LED lamp is P;
when L is more than P, the LED lamp control module controls the LED lamp not to be lighted;
and when L is less than or equal to P, the LED lamp control module controls the LED lamp to be lighted.
Under the condition that the LED lamp is lighted, the brightness detected by a plurality of brightness sensors 8 from the top to the bottom at one side of the lamp post 4 is L respectively 1 、L 2 、L 3 、…、L n Two adjacent lightsThe luminance difference between the degree sensors 8 is (L 1 -L 2 )、(L 2 -L 3 )、…、(L (n-1 )-L n ) The distances between the brightness sensors 8 and the LED lamps from the top to the bottom at one side of the lamp post 4 are respectively Q 1 、Q 2 、Q 3 、…、Q n ;
Wherein:
wherein n represents the number of the brightness sensors, and the light attenuation rate between two adjacent brightness sensors 8 from top to bottom at one side of the lamp post 4 is respectively M 1 、M 2 、M 3 、…、M (n-1) ;
Setting the allowable maximum light attenuation rate of the LED street lamp as N, and indicating that the service life of the LED street lamp is about to enter a final stage;
when M 1 、M 2 、M 3 、…、M (n-1) When the ratio of (N-1)/2 is greater than or equal to N, the LED lamp is indicated to be replaced, the micro control terminal is in wireless communication with the main control end through the ZigBee communication module and sends the address of the LED street lamp, so that workers can replace the LED lamp in time, the service life of the LED lamp is predicted, the situation that the LED lamp is suddenly damaged and cannot be illuminated is avoided, and traffic accidents caused by the sudden damage of the LED lamp can be effectively reduced.
The temperature detected by the temperature sensor is T ℃, and the highest working temperature of the LED lamp is G ℃;
when T is less than or equal to G, the LED lamp can continue to work without other operations;
when T is more than G, the working temperature of the LED lamp is too high, and a short circuit phenomenon possibly exists, and the micro control terminal performs data communication with the main control terminal through the communication terminal, controls the LED lamp to be closed, and arranges maintenance personnel for maintenance or replacement.
The distance sensor 9 detects Y as data detected when no pedestrian or vehicle passes, and Y as data detected when no pedestrian or vehicle passes 1 ;
When Y1 is less than Y/2, indicating that a pedestrian or a vehicle walks or runs on the side of the road 1, controlling the side road lamp 3 to be lightened by the PLC, transmitting signals to the PLC controllers of the two adjacent street lamps 3 by the RS485 bus, starting timing by the PLC controllers of the two adjacent street lamps until the pedestrian or the vehicle runs to one of the adjacent street lamps 3, detecting whether the pedestrian or the vehicle reaches the position of the street lamp 3 by a distance sensor 9 arranged at the bottom end of the street lamp 3, stopping timing by the PLC controllers, and controlling the timing time to be t;
the speed of travel is V:
when V is more than or equal to e, the road lamp 3 in front of and behind the position where the vehicle is located is lightened by a visual distance of 150-200 meters;
when V is smaller than e, the street lamps 3 in front of and behind the pedestrian walking through the street lamps are lightened by 20-30 meters;
when Y1 is more than or equal to Y/2, the pedestrian or the vehicle walks or runs on the other side of the road, and the side road lamp detected by the distance sensor is not lighted.
Embodiment one: the width of the road 1 is set to y=14 meters, and the distance between two street lamps 3 is x=25 meters.
The horizontal distance between the lamp cap 6 and the lamp post 4 is a=1.5 meters, the distance between the two brightness sensors 8 and the distance between the uppermost brightness sensor 8 and the joint of the lamp post 4 and the lamp post 5 are both set to b=2 meters, and the distance sensor 9 is installed at the position of the bottom end of the lamp post 4, which is away from the road surface c=1 meter.
The LED lamp pointUnder the bright condition, the brightness detected by the 3 brightness sensors 8 from the top to the bottom on the lamp post 4 side is 1230, 1215 and 1195 respectively, the brightness difference between the two adjacent brightness sensors 8 is 15 and 20, the distance between the 3 brightness sensors 8 from the top to the bottom on the lamp post 4 side and the LED lamp is Q respectively 1 、Q 2 、Q 3 ;
Wherein:
the light attenuation rate between two adjacent brightness sensors 8 from top to bottom at one side of the lamp post 4 is M 1 、M 2 ;
Setting the allowable maximum light attenuation rate of the LED street lamp as N=30;
M 1 、M 2 are less than 30, indicating that the LED street lamp does not need to be replaced.
The temperature detected by the temperature sensor is T=45 ℃, and the highest working temperature of the LED lamp is G=55 ℃;
t is less than or equal to G, which means that the LED lamp can continue to work without other operations;
the distance sensor 9 detects data of y=14 meters in the case where no pedestrian or vehicle passes, and detects data of y1=2 meters in the case where a pedestrian or vehicle passes;
Y 1 when the ratio of the signal to the signal is less than 2 and less than Y/2=7, the signal indicates that the pedestrian or the vehicle moves or runs on the side of the road 1, the PLC controller controls the side road lamp 3 to be lightened, the PLC controller transmits signals to the PLC controllers of the two adjacent street lamps 3 through the RS485 bus, the PLC controllers of the two adjacent street lamps start timing until the pedestrian or the vehicle moves to one of the adjacent street lamps 3, the distance sensor 9 arranged at the bottom end of the street lamp 3 detects whether the pedestrian or the vehicle reaches the position of the street lamp 3, and the PLC controlsStopping timing by the timer, wherein the timing time is t=2s;
the speed of travel is V:
v=12.5 is greater than or equal to e=5, and the vehicle runs through, and the street lamps 3 in front of and behind the position of the vehicle are lightened by a visual distance of 200 meters, namely the PLC controls 8 street lamps in front of and behind the position of the street lamp of the vehicle.
Embodiment two: the width of the road 1 is set to y=14 meters, and the distance between two street lamps 3 is x=25 meters.
The horizontal distance between the lamp cap 6 and the lamp post 4 is a=1.5 meters, the distance between the two brightness sensors 8 and the distance between the uppermost brightness sensor 8 and the joint of the lamp post 4 and the lamp post 5 are both set to b=2 meters, and the distance sensor 9 is installed at the position of the bottom end of the lamp post 4, which is away from the road surface c=1 meter.
Under the condition that the LED lamp is lighted, the brightness detected by the 3 brightness sensors 8 from the top to the bottom at one side of the lamp post 4 is 1150, 1065 and 935 respectively, the brightness difference between the two adjacent brightness sensors 8 is 85 and 130, and the distance between the 3 brightness sensors 8 from the top to the bottom at one side of the lamp post 4 and the LED lamp is Q respectively 1 、Q 2 、Q 3 ;
Wherein:
the light attenuation rate between two adjacent brightness sensors 8 from top to bottom at one side of the lamp post 4 is M 1 、M 2 ;
Setting the allowable maximum light attenuation rate of the LED street lamp as N=30;
M 1 、M 2 all be greater than 30, indicate that the LED street lamp needs to be changed, carry out wireless communication between little control terminal and the general accuse end through zigBee communication module to send the address that the LED street lamp is located, provide the staff and in time carry out the change of LED lamp, realize the prediction to LED lamp life, avoid appearing the LED lamp suddenly to damage the condition that can't throw light on, can effectually reduce the traffic accident that the LED lamp suddenly damages and leads to.
The temperature detected by the temperature sensor is T=45 ℃, and the highest working temperature of the LED lamp is G=55 ℃;
t is less than or equal to G, which means that the LED lamp can continue to work without other operations;
the distance sensor 9 detects data of y=14 m when no pedestrian or vehicle passes, and detects data of Y when no pedestrian or vehicle passes 1 =9 meters;
Y 1 =9 < Y/2=7 when Y 1 And when the distance sensor is not less than Y/2, the pedestrian or the vehicle walks or runs on the other side of the road, and the side road lamp detected by the distance sensor is not lighted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.