CN111356271A - Low-power-consumption intelligent street lamp control method capable of realizing time expansion function - Google Patents
Low-power-consumption intelligent street lamp control method capable of realizing time expansion function Download PDFInfo
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Abstract
The invention belongs to the technical field of intelligent street lamps, and particularly relates to a low-power intelligent street lamp control method capable of realizing a time expansion function, which comprises the following steps: setting a plurality of moving object detectors; connecting the moving object detector with an alternating current controller in a wireless transmission mode; setting configuration parameters of a moving object detector and an alternating current controller; detecting automobile driving data and pedestrian movement data in a detected range through a moving object detector; sending the detected data to a central processing unit; only when the number of triggered counting times in unit time is larger than a preset value, a vehicle can be judged to enter a detection area, and meanwhile, when the volume of a detected object is required to be larger than a certain value, the corresponding alternating current controllers are controlled to sequentially light the street lamps on different lamp poles; judging whether a new automobile passes through the same moving object detector in a variable period according to the processing result of the central processing unit; if under one variable period.
Description
Technical Field
The invention belongs to the technical field of intelligent street lamps, and particularly relates to a control method of an intelligent street lamp, which is low in power consumption and capable of realizing a time expansion function.
Background
Street lamps refer to lamps providing a road with an illumination function, and generally to lamps in a road illumination range in traffic illumination. Street lamps are widely used in various places requiring illumination. With the development of cities, urban public lighting is part of landscape lighting, and although the urban public lighting can make cities more beautiful, the urban public lighting is an additional part of power consumption. At present, the urban lighting system adopts a traditional light-operated or time-controlled control mode, operates overnight and illuminates with constant illumination intensity, is not only disconnected from actual road condition information, but also wastes electric energy, and brings inconvenience to management and maintenance. Therefore, people propose a concept of intelligent street lamp nowadays so as to make street lamp control more intelligent and simultaneously provide sufficient illumination and save energy. The intelligent street lamp is a street lamp which realizes remote centralized control and management of the street lamp by applying an advanced, efficient and reliable power line carrier communication technology, a wireless GPRS/CDMA communication technology and the like, and has the functions of automatically adjusting the brightness according to the traffic flow, remotely controlling illumination, actively alarming faults, preventing theft of lamp cables, remotely reading meters and the like.
However, the existing intelligent street lamp cannot inherit the function of detecting a moving object, and the embarrassment that the street lamp is turned off because a plurality of automobiles pass through the same moving object detector in a brightening period and the automobiles do not pass through a road section after the period cannot be avoided. This, in turn, leads to the "dumb" technical effect of intelligent street lamps;
when the automobile stops on the road for a short time, the system automatically considers that the automobile stops without moving objects, so that the street lamp is turned off, the automobile cannot be effectively illuminated, and the problem of serious consequences is easily caused.
Based on the technical problem, the application hopes to provide a low-power consumption can realize time extended function's wisdom street lamp control method, and it can provide dynamic monitoring moving object when can realizing abundant, effective illumination to control light, can intelligent judgement road conditions of driving on the road in addition, realize intelligent control, thereby this application provides a technical scheme, solves above-mentioned problem.
Disclosure of Invention
Aiming at the problems, the invention provides the intelligent street lamp control method which is low in power consumption and can realize the time expansion function.
In order to achieve the above object, the invention provides a method for controlling an intelligent street lamp with low power consumption and capable of realizing a time expansion function, which comprises the following steps:
s101: each street lamp is provided with a plurality of moving object detectors corresponding to a plurality of moving object detectors at a certain distance L nearby, and the street lamp is turned on as long as the street lamp detects at least one of the corresponding moving object detectors finds a moving object, otherwise, the street lamp is turned off;
s103: connecting the moving object detector with an alternating current controller in a wireless transmission mode;
s105: setting configuration parameters of a moving object detector and an alternating current controller;
s107: detecting automobile driving data and pedestrian movement data in a detected range through a moving object detector;
s109: sending the detected data to a central processing unit;
s111: only when the number of triggered counting times in unit time is larger than a preset value, a vehicle can be judged to enter a detection area, and meanwhile, when the volume of a detected object is required to be larger than a certain value, the corresponding alternating current controllers are controlled to sequentially light the street lamps on different lamp poles;
s113: judging whether a new automobile passes through the same moving object detector in a variable period according to the processing result of the central processing unit;
s115: if no new automobile passes through the same moving object detector in a variable period, normally timing by the control instrument and controlling the street lamp to be lightened;
s117; if a new automobile passes through the same moving object detector in a variable period, the count is cleared from the beginning by the timing clearing of all the street lamp controllers controlled by the moving object detector, and the previous step S111 is executed.
Preferably, the moving object detector segments the target and the background by using the characteristics of the gray scale, texture and the like of the target image based on an image segmentation method, and then separates the target and the background by using the prior knowledge of the target.
Preferably, the alternating current controller mainly comprises a sensor, a driving power supply module, a power detection module, a single-chip microcomputer microprocessor and a wireless communication module; the system also comprises a speed measurement sensing module used for measuring vehicle information;
when the moving object detector detects a person or a car, the speed measurement sensing module detects vehicle information on a traveling path and detects the traveling speed of the car, and the current position of the car is a base point, and the on number N1 and the off number N2 of the lamps are sequentially controlled along the traveling direction and the reverse direction;
where N1 ═ f (travel speed, the road condition brightness parameter, data of the moving object detector), that is, the number of lights N1 is one and the numerical value of the travel speed, the road condition brightness parameter, data of the moving object detector;
n2 ═ f (traveling speed, road condition brightness parameter, data of moving object detector), that is, the number of extinguishments N2 is a numerical value corresponding to the traveling speed, road condition brightness parameter, data of moving object detector;
according to the measured speed, the number of street lamps needing to be controlled to be switched on and off is generated according to the algorithm of the visibility corresponding to the corresponding speed of the automobile, namely N1 and N2 calculation rules, the number N1 of the street lamps is sequentially lightened, and meanwhile, the number N2 of the corresponding street lamps passing through the street lamps is turned off; when the speed exceeds the limit speed of the road section, the street lamp gives an alarm to the automobile, and when the speed does not exceed the limit speed, the automobile continues to move;
when the automobile passes through the road section, the street lamp is closed, otherwise, the traveling speed of the automobile is continuously measured.
Preferably, the sensor comprises a brightness sensor and a human body pyroelectric infrared sensor.
Preferably, the moving object detector detects the motion of the vehicle or the pedestrian by using an X-band Doppler mobile detection module.
Preferably, the CPU of the central processing system fetches an instruction from a memory or a cache memory, puts the instruction in an instruction register, decodes the instruction, decomposes the instruction into micro-operations, issues various control commands, and executes the micro-operations to complete the execution of the instruction.
Preferably, when the first automobile passes through the moving object detector, the moving object detector transmits information to the street lamp controller through wireless transmission, and the street lamp controller starts timing.
Preferably, at the time of the TS, all the timings are TS, and when the second vehicle passes through the same position, the detector transmits information to the street lamp controller, and then performs zero clearing on the timings, and recounties the count for 30s, where T is an integer.
Preferably, the zero clearing uses a sequential logic circuit to count clock pulses for frequency division, timing, generation of beat pulses and pulse sequences, and digital computation.
Preferably, the street lamp controller controls the on and off of the street lamp and supports light control, time control and remote control.
Compared with the prior art, the invention has the advantages and positive effects that,
the invention has simple integral structure, solves the problem that the embarrassment that the street lamp is extinguished because a plurality of automobiles pass through the same moving object detector in a brightening period and the automobiles behind the period do not pass through a road section; has strong creativity.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a control method of an intelligent street lamp with low power consumption and capable of implementing a time expansion function according to embodiment 1;
FIG. 2 is a schematic structural diagram of a control method of an intelligent street lamp when a vehicle passes by;
fig. 3 is a schematic diagram of an amplifier circuit provided in embodiment 1.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Embodiment 1, as shown in fig. 1 to 3, the present invention provides a low power consumption intelligent street lamp control method capable of implementing a time expansion function, including the following steps:
s101; setting a plurality of moving object detectors; each street lamp corresponds to a plurality of moving object detectors at a certain distance L nearby, and the street lamp is turned on as long as at least one of the corresponding moving object detectors is detected to find a moving object, otherwise, the street lamp is turned off;
s103; connecting the moving object detector with an alternating current controller in a wireless transmission mode;
s105; setting configuration parameters of a moving object detector and an alternating current controller;
s107; detecting automobile driving data and pedestrian movement data in a detected range through a moving object detector;
s109; sending the detected data to a central processing unit;
s111; only when the number of triggered counting times in unit time is larger than a preset value, a vehicle can be judged to enter a detection area, and meanwhile, when the volume of a detected object is required to be larger than a certain value, the corresponding alternating current controllers are controlled to sequentially light the street lamps on different lamp poles;
s113; judging whether a new automobile passes through the same moving object detector in a variable period according to the processing result of the central processing unit;
s115; if no new automobile passes through the same moving object detector in a variable period, normally timing by the control instrument and controlling the street lamp to be lightened;
s117; if a new automobile passes through the same moving object detector in a variable period, the count is reset from the beginning by the timing zero of all the street lamp controllers controlled by the moving object detector, and the previous step S11 is executed.
In embodiment 2, the moving object detector segments the target and the background by using the characteristics of the gray scale, texture, and the like of the target image based on an image segmentation method, and then separates the target and the background by using the prior knowledge of the target.
In embodiment 3, the ac controller is mainly composed of a sensor, a driving power module, a power detection module, a single chip microprocessor, and a wireless communication module; the system also comprises a speed measurement sensing module used for measuring vehicle information;
when the moving object detector detects a person or a car, the speed measurement sensing module detects vehicle information on a traveling path and detects the traveling speed of the car, and the current position of the car is a base point, and the on number N1 and the off number N2 of the lamps are sequentially controlled along the traveling direction and the reverse direction;
where N1 ═ f (travel speed, the road condition brightness parameter, data of the moving object detector), that is, the number of lights N1 is one and the numerical value of the travel speed, the road condition brightness parameter, data of the moving object detector;
n2 ═ f (traveling speed, road condition brightness parameter, data of moving object detector), that is, the number of extinguishments N2 is a numerical value corresponding to the traveling speed, road condition brightness parameter, data of moving object detector;
according to the measured speed, the number of street lamps needing to be controlled to be switched on and off is generated according to the algorithm of the visibility corresponding to the corresponding speed of the automobile, namely N1 and N2 calculation rules, the number N1 of the street lamps is sequentially lightened, and meanwhile, the number N2 of the corresponding street lamps passing through the street lamps is turned off; when the speed exceeds the limit speed of the road section, the street lamp gives an alarm to the automobile, and when the speed does not exceed the limit speed, the automobile continues to move;
when the automobile passes through the road section, the street lamp is closed, otherwise, the traveling speed of the automobile is continuously measured.
Embodiment 4, the sensor include luminance sensor and human pyroelectric infrared sensor, make under the normal mode on daytime through luminance sensor, when the luminance in the environment is strong to certain light intensity value, no longer need the street lamp illumination, the circuit is in the off-state, under the special circumstances, if when rainy or heavy fog weather, only need set up at the master control platform, make the street lamp open, can deal with various emergency.
Embodiment 5, the moving object detector detects the motion of a vehicle or a pedestrian using an X-band doppler shift detection module; the basic principle is to detect moving objects in the visible range, producing a frequency change between the transmitted and received signals; the module generates two low-pulse signals which can provide an audio or video alarm signal after being amplified and processed; the phases of these signals are orthogonal and the direction of the target object can be detected by the lead/lag of the two output signals.
Embodiment 6, the CPU of the central processing system fetches an instruction from a memory or a cache memory, puts the instruction into an instruction register, decodes the instruction, decomposes the instruction into micro-operations, issues various control commands, executes the micro-operations, and completes execution of the instruction.
Embodiment 7, when the first car passes the moving object detector, the moving object detector transmits information to the street lamp controller through wireless transmission, and the street lamp controller starts timing.
In embodiment 8, at the time of the TS, all timings are TS, and when the second vehicle passes through the same position, the detector transmits information to the street lamp controller, and then performs zero clearing on the timings, and recounties the count for 30s, where T is an integer.
Example 9, the zeroing uses a sequential logic circuit to count clock pulses for frequency division, timing, generating beat pulses and pulse sequences, and performing digital operations.
In embodiment 10, the street lamp controller controls the on and off of the street lamp and supports light control, time control and remote control.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical applications, the motion object detector uses an X-band (10.525GHz) doppler shift detection module to detect motion of a vehicle or pedestrian, the basic principle being to detect moving objects in the visible range, to generate a frequency change between the transmitted and received signals, and to generate two low-pulse signals which, after amplification and processing, provide an audio or visual alert signal. The phases of these signals are orthogonal and the direction of the target object can be detected by the lead/lag of the two output signals. Two paths of analog signals output by the module are sent to a counting input of a CPU after being amplified in a program control mode, and when the number of counting times triggered in unit time is larger than a preset value (corresponding to a lowest movement speed), a vehicle can be judged to enter a detection area. Under the same detection distance, because the output signal amplitude of the radar module and the size of the detected object form positive correlation characteristic, the programmable amplifying circuit is adopted in the circuit to realize the amplification processing of the radar output signal, and only when the volume of the detected object is larger than a certain value, the counting system can be effectively triggered. When small cats, dogs, mice and other objects pass through, counting cannot be triggered, so that false triggering caused by the passing of the animals can be avoided. When the moving object detector detects that a vehicle enters the controlled area, controlling the corresponding alternating current controller to sequentially light up the street lamps on different lamp posts; and when the moving object detector detects that the vehicle drives away from the controlled area, controlling the corresponding alternating current controller to sequentially extinguish the street lamps on the corresponding lamp posts. The two-stage amplifying circuit is adopted to amplify millivolt signals output by the microwave module with high gain, all parameters (amplification factors A1, A2, B1, B2 and comparison voltage) are controlled by a program to adapt to different positions to ensure more accurate measurement in order to avoid measurement errors caused by different landform positions and heights of each detector due to setting of fixed parameters, in order to avoid the situation that the street lamp is lightened due to radar misjudgment caused by weather factors (such as leaves fluttering caused by wind) or small animals running, a programmable reference voltage is selectively introduced to avoid the situation that the street lamp is lightened when small-body moving objects pass through, in order to distinguish people, vehicles and small animals, when the last waveform is output, the low-frequency disturbance is filtered by measuring the pulse frequency output by the comparator, so that the result is more accurate, and the control effect of turning on the vehicle when the vehicle comes and turning off the vehicle when the vehicle goes is realized.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. A low-power consumption intelligent street lamp control method capable of realizing a time expansion function is characterized by comprising the following steps:
s101, setting a plurality of moving object detectors; each street lamp corresponds to a plurality of moving object detectors at a certain distance L nearby, and the street lamp is turned on as long as at least one of the corresponding moving object detectors is detected to find a moving object, otherwise, the street lamp is turned off;
s103, connecting the moving object detector with the alternating current controller in a wireless transmission mode;
s105, setting configuration parameters of the moving object detector and the alternating current controller;
s107, detecting automobile driving data and pedestrian movement data in a detected range through a moving object detector;
s109, sending the detected data to a central processing unit;
s111, judging that a vehicle enters a detection area only when the number of triggered counting times in unit time is greater than a preset value, and controlling corresponding alternating current controllers to sequentially light up the street lamps on different lamp poles when the volume of the detected object is required to be greater than a certain value;
s113, judging whether a new automobile passes through the same moving object detector in a variable period according to the processing result of the central processing unit;
s115, if no new automobile passes through the same moving object detector in a variable period, normally timing by the control instrument and controlling the street lamp to be lightened;
and S117, if a new automobile passes through the same moving object detector in a variable period, the time of all the street lamp controllers controlled by the moving object detector is cleared, the count is started from the beginning, and the previous step S111 is executed.
2. The intelligent street lamp control method with low power consumption and time expansion function as claimed in claim 1, wherein the moving object detector is based on an image segmentation method, and utilizes the gray scale, texture and other features of the target image to segment the target and the background, and then utilizes the priori knowledge of the target to separate the target and the background.
3. The intelligent street lamp control method capable of realizing the time expansion function with low power consumption as claimed in claim 1, wherein the AC controller mainly comprises a sensor, a driving power supply module, a power detection module, a single chip microprocessor and a wireless communication module; the system also comprises a speed measurement sensing module used for measuring vehicle information;
when the moving object detector detects a person or a car, the speed measurement sensing module detects vehicle information on a traveling path and detects the traveling speed of the car, and the current position of the car is a base point, and the on number N1 and the off number N2 of the lamps are sequentially controlled along the traveling direction and the reverse direction;
where N1= f (traveling speed, the road condition brightness parameter, data of the moving object detector), i.e., the number of lights N1 is one and the traveling speed, the road condition brightness parameter, the data of the moving object detector;
n2= f (traveling speed, road condition brightness parameter, data of moving object detector), i.e. the number of extinguishments N2 is one and the numerical value of traveling speed, road condition brightness parameter, data of moving object detector;
according to the measured speed, the number of street lamps needing to be controlled to be switched on and off is generated according to the algorithm of the visibility corresponding to the corresponding speed of the automobile, namely N1 and N2 calculation rules, the number N1 of the street lamps is sequentially lightened, and meanwhile, the number N2 of the corresponding street lamps passing through the street lamps is turned off; when the speed exceeds the limit speed of the road section, the street lamp gives an alarm to the automobile, and when the speed does not exceed the limit speed, the automobile continues to move;
when the automobile passes through the road section, the street lamp is closed, otherwise, the traveling speed of the automobile is continuously measured.
4. The method as claimed in claim 3, wherein the sensor includes a brightness sensor and a human pyroelectric infrared sensor.
5. The method as claimed in claim 1, wherein the moving object detector detects the movement of the vehicle or the pedestrian by using an X-band doppler shift detection module.
6. The method as claimed in claim 1, wherein the CPU of the CPU fetches an instruction from a memory or a cache memory, puts the instruction into an instruction register, decodes the instruction, decomposes the instruction into micro-operations, issues various control commands, and executes the micro-operations to complete the execution of the instruction.
7. The intelligent street lamp control method with low power consumption and time expansion function as claimed in claim 1, wherein when the first car passes through the moving object detector, the moving object detector transmits information to the street lamp controller through wireless transmission, and the street lamp controller starts to time.
8. The intelligent street lamp control method with low power consumption and time expansion function as claimed in claim 1, wherein at the time of Ts, all the timings are Ts, when the second vehicle passes through the same position, the detector transmits information to the street lamp controller, and then the timing is cleared and the count is re-performed for 30s, wherein T is an integer.
9. The method as claimed in claim 1, wherein the timing logic circuit is used for counting clock pulses for frequency division, timing, generation of beat pulses and pulse sequences, and digital operation.
10. The intelligent street lamp control method with low power consumption and time expansion function as claimed in claim 1, wherein the street lamp controller controls the on and off of the street lamp and supports light control, time control and remote control.
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| CN112399685A (en) * | 2020-12-15 | 2021-02-23 | 南通路远科技信息有限公司 | Road street lamp control method and device |
| CN113163543A (en) * | 2021-03-15 | 2021-07-23 | 台州学院 | Regional intelligent street lamp control method and system with traffic parameter sensing function |
| CN112985508A (en) * | 2021-03-16 | 2021-06-18 | 四川通信科研规划设计有限责任公司 | Coding and communication method for multifunctional sensor output |
| CN118354498A (en) * | 2024-06-18 | 2024-07-16 | 慧光物联网科技(常州)有限公司 | Street lamp control method, device and storage medium |
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