CN116321626A - Street lamp illumination energy-saving management system - Google Patents
Street lamp illumination energy-saving management system Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
- H05B47/125—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
- H02J15/008—Systems for storing electric energy using hydrogen as energy vector
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The invention discloses a street lamp illumination energy-saving management system, and relates to the technical field of intelligent illumination. The system comprises a monitoring center, a street lamp control node and street lamp facilities, wherein lighting equipment and an intelligent camera are installed on the street lamp facilities, the intelligent camera is used for collecting field video data, then pedestrian density is obtained based on the field video data, the street lamp control node is used for transmitting the pedestrian density to the monitoring center, receiving a lamp control instruction from the monitoring center and carrying out dimming operation on the lighting equipment according to the lamp control instruction, and the monitoring center is used for generating the lamp control instruction for positively correlating the dimming back lighting brightness with the pedestrian density according to the pedestrian density in a night lighting period, so that the passing lighting requirements of the street lamp lighting brightness and the field pedestrians tend to be balanced through transmitting and executing the lamp control instruction, and the purposes of not wasting electric energy and not bringing traffic inconvenience to the pedestrians are achieved.
Description
Technical Field
The invention belongs to the technical field of intelligent illumination, and particularly relates to an energy-saving management system for street lamp illumination.
Background
With the rapid growth of world economy, global energy shortage is becoming serious, and the call for energy conservation and emission reduction and low-carbon development modes is becoming louder. In this large background, the industry development of integrated driving intelligent LEDs (Light-emitting diodes) is well-developed, and in particular, the application in the aspect of LED Light source modularization is of great concern. Under the urgent situations of energy conservation and emission reduction and shortage of conventional power resources, the urban brightening engineering also needs energy conservation and emission reduction, so that not only can the carbon dioxide discharge be reduced, but also a large amount of electricity fees can be saved.
At present, an urban street lamp system is used as a main aspect of urban brightening engineering, an LED lamp with low energy consumption and high brightness is used as a street lamp for energy conservation and emission reduction, and meanwhile, a solar cell panel is arranged on a street lamp post to collect solar energy for supplying power to the LED street lamp, and commercial power is only used for backup, so that the power consumption of the commercial power can be reduced. In addition, in order to further save energy and reduce emission, the street lamp is intelligently controlled, namely, the power of the street lamp is controlled according to the time interval, namely, the brightness of the street lamp is controlled, and if the prior street lamp energy-saving control mode is controlled according to the local sunset condition at the time: starting to lighten the street lamp every day at sunset time; the ten-point night is preceded by a default people flow peak period, and each street lamp adopts the maximum brightness illumination; the period from ten to twelve points at night is a default people flow less period, and the street lamp works with larger power; the beginning of the early morning is the minimum period of default people flow, and the street lamp works with smaller power; and finally, closing the street lamp in sunrise time division.
However, the energy-saving control mode of the street lamp is designed based on the default characteristic of the night period, and may deviate from the actual situation, for example, no people flow may exist between ten and twelve points in the evening, if the street lamp works with larger power at this time, the phenomenon of electric energy waste will occur, for example, a situation that more people flow may exist temporarily after the beginning of the early morning (for example, the night shift of a factory, etc.), and if the street lamp works with smaller power at this time, the problem of inconvenient traffic for pedestrians due to insufficient illumination will be caused.
Disclosure of Invention
The invention aims to provide a street lamp illumination energy-saving management system which is used for solving the problems that the existing street lamp energy-saving control mode has possible deviation between default characteristics and actual conditions at night, so that the phenomenon of electric energy waste occurs or the pedestrian is inconvenient to pass.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
in a first aspect, a street lamp illumination energy-saving management system is provided, which comprises a monitoring center, a street lamp control node and a street lamp facility, wherein illumination equipment and an intelligent camera are installed on the street lamp facility, and an illumination area of the illumination equipment is overlapped with a lens vision area of the intelligent camera;
The intelligent camera is in communication connection with the street lamp control node and is used for collecting field video data of the lens visual field area, then a target detection algorithm is adopted to conduct pedestrian recognition processing on the field video data to obtain a pedestrian recognition result, then the pedestrian density is calculated according to the number of pedestrians recognized in the pedestrian recognition result and the known area of the lens visual field area, and finally the pedestrian density is transmitted to the street lamp control node;
the street lamp control node is in communication connection with the monitoring center and is also electrically connected with the lighting equipment, and is used for transmitting the pedestrian density to the monitoring center, receiving a lamp control instruction from the monitoring center and performing dimming operation on the lighting equipment according to the lamp control instruction;
the monitoring center is used for generating the lamp control instruction for positively correlating the dimmed illumination brightness with the pedestrian density according to the pedestrian density in the night illumination period, and transmitting the lamp control instruction to the street lamp control node.
Based on the above summary of the invention, a novel control scheme for dynamically dimming a street lamp based on a scene pedestrian density recognition result is provided, namely, the novel control scheme comprises a monitoring center, a street lamp control node and a street lamp facility, wherein a lighting device and an intelligent camera are installed on the street lamp facility, the intelligent camera is used for collecting scene video data, then the scene video data is subjected to pedestrian recognition processing by adopting a target detection algorithm to obtain a pedestrian recognition result, then the pedestrian density is calculated according to the number of pedestrians recognized in the pedestrian recognition result and the known area of a lens field area, the street lamp control node is used for transmitting the pedestrian density to the monitoring center, receiving a lamp control instruction from the monitoring center, and performing dimming operation on the lighting device according to the lamp control instruction, and the monitoring center is used for generating the lamp control instruction for positively correlating the lighting brightness with the pedestrian density after dimming according to the pedestrian density at night, so that the lighting brightness and the lighting requirement of the scene tend to be balanced by transmitting and executing the lamp control instruction, the street lamp brightness and the illumination requirement on the scene are not wasted, and the actual application and the traffic are inconvenient are brought.
In one possible design, the intelligent camera is further configured to collect an ambient light intensity of the lens field of view area and transmit the ambient light intensity to the street lamp control node;
the street lamp control node is further used for transmitting the ambient light intensity to the monitoring center;
the monitoring center is used for generating a first lamp control instruction for enabling the dimmed ambient brightness to be equal to the target brightness according to the ambient light intensity in a first night illumination period, transmitting the first lamp control instruction to the street lamp control node, generating a second lamp control instruction for enabling the dimmed illumination brightness to be positively related to the pedestrian density according to the pedestrian density in a second night illumination period, and transmitting the second lamp control instruction to the street lamp control node, wherein the second night illumination period is later than the first night illumination period.
In one possible design, when the street lamp facility is plural and is arranged at intervals in sequence on the same road section, the monitoring center is further configured to generate a third lighting command for causing plural street lamp facilities to illuminate one at two intervals in a third night lighting period, and transmit the third lighting command to the street lamp control node, and generate a fourth lighting command for causing plural street lamp facilities to illuminate one at one interval in a fourth night lighting period, and transmit the fourth lighting command to the street lamp control node, wherein the fourth night lighting period is later than the third night lighting period.
In one possible design, the street lamp facility is further provided with a street lamp state detection module in communication connection with the street lamp control node, wherein the street lamp state detection module is used for detecting and obtaining working state data of the lighting equipment and/or the intelligent camera and transmitting the working state data to the street lamp control node, and the working state data comprises any one or any combination of current information, voltage information, power information and battery power information;
the street lamp control node is also used for transmitting the working state data to the monitoring center;
the monitoring center is further used for judging whether the lighting equipment and/or the intelligent camera have faults or operation non-response conditions according to the working state data, and if so, an alarm is triggered.
In one possible design, the street lamp facility is further provided with an environmental data acquisition module in communication connection with the street lamp control node, wherein the environmental data acquisition module is used for detecting and obtaining surrounding environmental data and transmitting the environmental data to the street lamp control node, and the environmental data comprises any one or any combination of air pressure information, temperature information, humidity information, PM2.5 concentration information and precipitation information;
The street lamp control node is further used for transmitting the environment data to the monitoring center;
the monitoring center is also used for locally storing the environment data.
In one possible design, the camera is further configured to identify pedestrians in the pedestrian identification results, identify the pedestrians by using a gesture estimation algorithm according to the live video data, and then determine that a violence event exists if the corresponding pedestrian makes a violence action at a certain position and another identified pedestrian exists around the certain position according to the gesture identification result, and transmit the live video data to the street lamp control node;
the street lamp control node is also used for transmitting the field video data to the monitoring center;
the monitoring center is also used for locally storing the field video data.
In one possible design, the intelligent camera is further configured to collect an ambient light intensity of the lens field of view area and transmit the ambient light intensity to the street lamp control node;
the street lamp control node is further used for transmitting the ambient light intensity to the monitoring center;
And the monitoring center is also used for generating a fifth lamp control instruction for enabling the dimmed environment brightness to be suitable for photographing and evidence obtaining according to the environment light intensity when the field video data is received in the night illumination period, and transmitting the fifth lamp control instruction to the street lamp control node.
In one possible design, the number of street lamp control nodes is plural and is connected to the monitoring center by remote radio LoRa gateway wireless communication, respectively.
In one possible design, the street lamp facility is further provided with a photovoltaic power generation plate, a wind driven generator and an energy storage bin from top to bottom, wherein the energy storage bin is internally provided with a rectifying module, a charging module and a storage battery;
the direct current output end of the photovoltaic power generation plate is electrically connected with the charging module, the alternating current output end of the wind driven generator is electrically connected with the rectifying module, the direct current output end of the rectifying module is electrically connected with the input end of the charging module, the output end of the charging module is electrically connected with the storage battery, and the storage battery is respectively and electrically connected with the lighting equipment and the intelligent camera.
In one possible design, the energy storage bin is further internally provided with a controller, a change-over switch, an inverter, hydrogen production equipment and a hydrogen storage tank, wherein the controller is respectively in communication connection with an electric quantity information output end of the storage battery and a controlled end of the change-over switch, a public connection end of the change-over switch is electrically connected with an output end of the charging module, a first change-over end of the change-over switch is electrically connected with the storage battery, a second change-over end of the change-over switch is electrically connected with an input end of the inverter, an output end of the inverter is electrically connected with a power end of the hydrogen production equipment, and a hydrogen output port of the hydrogen production equipment is communicated with the hydrogen storage tank;
The controller is used for controlling the change-over switch to cut off the electric connection relation between the charging module and the storage battery and to conduct the electric connection relation between the charging module and the inverter when the electric quantity value of the storage battery is larger than or equal to a first preset electric quantity threshold value, so that the hydrogen production equipment is started to prepare hydrogen and store the hydrogen in the hydrogen storage tank, until the electric quantity value of the storage battery is smaller than or equal to a second preset electric quantity threshold value, the change-over switch is controlled to cut off the electric connection relation between the charging module and the inverter and to conduct the electric connection relation between the charging module and the storage battery, and charging of the storage battery is recovered, wherein the second preset electric quantity threshold value is smaller than the first preset electric quantity threshold value.
The beneficial effect of above-mentioned scheme:
(1) The invention creatively provides a novel control scheme for dynamically dimming a street lamp based on a scene pedestrian density recognition result, which comprises a monitoring center, a street lamp control node and street lamp facilities, wherein lighting equipment and an intelligent camera are arranged on the street lamp facilities, the intelligent camera is used for collecting scene video data, then the scene video data is subjected to pedestrian recognition processing by adopting a target detection algorithm to obtain a pedestrian recognition result, then the pedestrian density is calculated according to the pedestrian number recognized in the pedestrian recognition result and the known area of a lens vision area, the street lamp control node is used for transmitting the pedestrian density to the monitoring center, receiving a lamp control instruction from the monitoring center and performing dimming operation on the lighting equipment according to the lamp control instruction, and the monitoring center is used for generating the lamp control instruction for positively correlating the lighting brightness after dimming with the pedestrian density according to the pedestrian density in a night lighting period, so that the pedestrian can realize the balance of the lighting brightness and the scene traffic demand of the street lamp is not only by transmitting and executing the lamp control instruction, but also realize the purposes of inconvenient electric energy waste and inconvenient popularization and application;
(2) The method can also detect whether a violence event occurs on the scene, can realize the purposes of automatically retaining the violence evidence and facilitating the history backtracking by transmitting and retaining the scene video data at some time, and can also ensure that the obtained scene video data has high quality by controlling the dimming of the lighting equipment so that the obtained environment brightness is suitable for shooting and evidence obtaining;
(3) By providing the wind, light and hydrogen storage integrated scheme, the redundant electric energy obtained by power generation can be used for hydrogen production, and because the hydrogen can be transported to an energy utilization terminal or is integrated into a power grid through a fuel cell, discrete and unstable new energy power can be converted into stable hydrogen energy, zero pollution circulation (namely no pollutant is generated), a new solution idea can be provided for wind power and photoelectric energy storage, a mode of independent development and operation of an energy supply system is broken, a foundation is laid for coordinated development of a comprehensive energy system, development and hydrogen storage integrated is enabled, large-scale development of renewable energy sources can be promoted, an important way for new energy consumption is also established, and an important solution in a future zero-carbon city comprehensive energy supply system can be constructed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a street lamp lighting energy-saving management system according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a front view structure of a street lamp facility according to an embodiment of the present application.
In the above figures: 30-a street lamp pole; 31-a lighting device; 35-a photovoltaic power generation panel; 36-a wind power generator; 37-energy storage bin.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
It should be understood that although the terms first and second, etc. may be used herein to describe various objects, these objects should not be limited by these terms. These terms are only used to distinguish one object from another. For example, a first object may be referred to as a second object, and similarly a second object may be referred to as a first object, without departing from the scope of example embodiments of the invention.
It should be understood that for the term "and/or" that may appear herein, it is merely one association relationship that describes an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: three cases of A alone, B alone or both A and B exist; as another example, A, B and/or C, can represent the presence of any one of A, B and C or any combination thereof; for the term "/and" that may appear herein, which is descriptive of another associative object relationship, it means that there may be two relationships, e.g., a/and B, it may be expressed that: the two cases of A and B exist independently or simultaneously; in addition, for the character "/" that may appear herein, it is generally indicated that the context associated object is an "or" relationship.
Examples:
as shown in fig. 1, the street lamp lighting energy-saving management system provided in the first aspect of the present embodiment includes, but is not limited to, a monitoring center, a street lamp control node, a street lamp facility, and the like, wherein, but is not limited to, a lighting device, an intelligent camera, and the like are installed on the street lamp facility, and a lighting area of the lighting device coincides with a lens vision area of the intelligent camera. Since the lens field of view is generally smaller than the illumination area, the aforementioned manner of overlapping is generally such that the illumination area includes the lens field of view.
The intelligent camera is in communication connection with the street lamp control node and is used for collecting field video data of the lens visual field area, then the pedestrian recognition processing is carried out on the field video data by adopting a target detection algorithm to obtain a pedestrian recognition result, then the pedestrian density is calculated according to the number of pedestrians recognized in the pedestrian recognition result and the known area of the lens visual field area, and finally the pedestrian density is transmitted to the street lamp control node. The target detection algorithm is an existing artificial intelligent recognition algorithm for recognizing and marking the object in the picture, specifically, but not limited to, a Faster R-CNN (Faster Regions with Convolutional Neural Networks features, he Kaiming, etc. a target detection algorithm is proposed in 2015, which obtains a plurality of first target detection algorithms in the ILSVRV and COCO contests in 2015, an SSD (Single Shot MultiBox Detector, a single-lens multi-box detector, a target detection algorithm proposed by Wei Liu on ECCV2016, one of the main detection frameworks currently popular) or a YOLO (You only look once, recently developed to the V4 version, the basic principle of which is that an input image is divided into 7x7 grids, 2 frames are predicted for each grid, then a redundant window is removed according to a target window with relatively low threshold removal possibility, and finally a detection result is obtained by using a frame merging mode), and the like. For example, the target detection algorithm preferably adopts the YOLO V4 target detection algorithm, and finally the pedestrian recognition result includes, but is not limited to, a recognized pedestrian and a human body mark frame of the pedestrian. In addition, the number of the identified pedestrians can be directly valued as the number of human body mark frames in the pedestrian identification result; the known area can be obtained by prospecting in advance; the pedestrian density can be obtained and uploaded periodically at intervals, for example, pedestrian recognition processing and density calculation are performed once every one minute; and the pedestrian density may also be communicated to the street lamp control node by conventional wired or wireless communication means.
The street lamp control node is in communication connection with the monitoring center and is also electrically connected with the lighting equipment, and is used for transmitting the pedestrian density to the monitoring center, receiving a lamp control instruction from the monitoring center and performing dimming operation on the lighting equipment according to the lamp control instruction. The street lamp control node is used as a road side device, the number of the street lamp control node can be multiple, and the street lamp control node is respectively connected with the monitoring center through a long-distance radio LoRa (Long Range Radio) gateway in a wireless communication mode, so that wireless signals carrying the pedestrian density or the lamp control instructions and the like can be received and transmitted in a wireless mode. The lighting device may be, but is not limited to, an LED lamp, and may be, but is not limited to, dimming the LED lamp using existing voltage control and energy supply adaptive dimming techniques, including dimming to lamp off, dimming to full on, or dimming to any brightness between lamp off and full on. In addition, the corresponding relationship between the street lamp control nodes and the street lamp facilities can be one-to-one (namely, the street lamp control nodes are single lamp control equipment) or one-to-many (namely, the street lamp control nodes are double lamp control equipment or multiple lamp control equipment).
The monitoring center is used for generating the lamp control instruction for positively correlating the dimmed illumination brightness with the pedestrian density according to the pedestrian density in the night illumination period, and transmitting the lamp control instruction to the street lamp control node. The night illumination period may be determined from the local sunset sunrise conditions at that time, for example from sunset time to the second sunset time. The positive correlation between the brightness of the dimmed illumination and the density of pedestrians can be determined in advance according to the traffic illumination requirements of pedestrians with different numbers, namely, the brightness of the dimmed illumination is increased along with the increase of the density of the pedestrians, but the brightness increase amplitude is gradually reduced, and finally, the lamp is in a full-bright state, so that the illumination brightness of the street lamp and the traffic illumination requirements of the pedestrians on site tend to be balanced through generating the lamp control instruction according to the density of the pedestrians and transmitting the lamp control instruction in a night illumination period, and the purposes of not wasting electric energy and not bringing traffic inconvenience to the pedestrians are achieved. In addition, the monitoring center specifically comprises, but is not limited to, control equipment, a server, display equipment, monitoring software and the like, and can execute recording according to instructions to generate an analysis data curve and report of electric energy and lighting rate for external display.
The novel control scheme comprises a monitoring center, a street lamp control node and street lamp facilities, wherein the street lamp facilities are provided with lighting equipment and intelligent cameras, the intelligent cameras are used for collecting field video data, then the field video data are subjected to pedestrian recognition processing by adopting a target detection algorithm to obtain pedestrian recognition results, then the pedestrian density is calculated according to the number of pedestrians recognized in the pedestrian recognition results and the known area of the field-of-view area of the lens, the street lamp control node is used for transmitting the pedestrian density to the monitoring center, receiving lamp control instructions from the monitoring center and carrying out dimming operation on the lighting equipment according to the lamp control instructions, and the monitoring center is used for generating the lamp control instructions for enabling the brightness of the dimmed pedestrian to be positively related to the pedestrian density according to the pedestrian density in a night lighting period.
Preferably, the intelligent camera is further configured to collect an ambient light intensity of the lens field area, and transmit the ambient light intensity to the street lamp control node; the street lamp control node is further used for transmitting the ambient light intensity to the monitoring center; the monitoring center is used for generating a first lamp control instruction for enabling the dimmed ambient brightness to be equal to the target brightness according to the ambient light intensity in a first night illumination period, transmitting the first lamp control instruction to the street lamp control node, generating a second lamp control instruction for enabling the dimmed illumination brightness to be positively related to the pedestrian density according to the pedestrian density in a second night illumination period, and transmitting the second lamp control instruction to the street lamp control node, wherein the second night illumination period is later than the first night illumination period. Since the smart camera is necessarily provided with a photosensitive element, the ambient light intensity of the lens field area can be perceived in a conventional manner. The first night illumination period is a default peak period of people flowing and/or a period of less people flowing, for example, 19 to 24 points, and the maximum traffic illumination requirement is met; the second night illumination period is a default minimum period of people stream, such as 0 point to 5 points. The foregoing making the adjusted ambient brightness equal to the target brightness means how much the current ambient light intensity is different from the target brightness, and how much the light is supplemented, so that the obtained ambient brightness and the maximum traffic lighting demand tend to be balanced.
Preferably, when the street lamp facilities are multiple and are sequentially arranged at intervals on the same road section, the monitoring center is further configured to generate a third lighting control instruction for enabling the street lamp facilities to be lighted one by two in a third night lighting period, and transmit the third lighting control instruction to the street lamp control node, and generate a fourth lighting control instruction for enabling the street lamp facilities to be lighted one by one in a fourth night lighting period, and transmit the fourth lighting control instruction to the street lamp control node, wherein the fourth night lighting period is later than the third night lighting period. The third night illumination period is a default night darkest period, for example, 0 point to 3 points, at the moment, pedestrians are the least, and traffic indication can be brought to the pedestrians by separating two lights from one another; the fourth night illumination period is a default dawn period, for example, 3 points to 5 points, at the moment, pedestrians are slightly recovered, traffic indication can be brought to the pedestrians by lighting every other one, and therefore the purposes of not wasting electric energy and bringing traffic inconvenience to the pedestrians can be further achieved through the mode of lighting every other one of different periods.
Preferably, the street lamp facility is further provided with a street lamp state detection module in communication connection with the street lamp control node, wherein the street lamp state detection module is used for detecting and obtaining working state data of the lighting equipment and/or the intelligent camera, and transmitting the working state data to the street lamp control node, and the working state data comprises any one or any combination of current information, voltage information, power information, battery power information and the like; the street lamp control node is also used for transmitting the working state data to the monitoring center; the monitoring center is further used for judging whether the lighting equipment and/or the intelligent camera have faults or operation non-response conditions according to the working state data, and if so, an alarm is triggered. The specific detection and acquisition mode of the working state data is an existing conventional mode, for example, current information is detected through a current transformer, voltage information is detected through a voltage transformer, and the like. The specific judging mode of the fault or operation unresponsiveness condition is also the conventional mode. Therefore, through the design of the street lamp state detection module and the transmission processing of the working state data, the monitoring center can sense the street lamp facility state in real time so as to inquire and perform abnormal alarm at any time, and the practicability is further improved.
Preferably, the street lamp facility is further provided with an environmental data acquisition module in communication connection with the street lamp control node, wherein the environmental data acquisition module is used for detecting and obtaining surrounding environmental data and transmitting the environmental data to the street lamp control node, and the environmental data comprises any one or any combination of air pressure information, temperature information, humidity information, PM2.5 concentration information, precipitation information and the like; the street lamp control node is further used for transmitting the environment data to the monitoring center; the monitoring center is also used for locally storing the environment data. The specific acquisition and acquisition mode of the environmental data is an existing conventional mode, for example, the temperature information and the humidity information are acquired through a temperature and humidity sensor, and the like. Therefore, through the design of the environment data acquisition module and the transmission and storage of the environment data, the monitoring center can sense the environment condition of the street lamp in real time so as to inquire at any time, and the practicability is further improved.
Preferably, the camera is further configured to identify pedestrians in the pedestrian identification results, identify the pedestrians by using a gesture estimation algorithm according to the field video data, and then determine that there is a violence event if it is found that the corresponding pedestrian makes a violence action at a certain position and another identified pedestrian exists around the certain position according to the gesture identification result, and transmit the field video data to the street lamp control node; the street lamp control node is also used for transmitting the field video data to the monitoring center; the monitoring center is also used for locally storing the field video data. The gesture estimation algorithm is used to identify the action gesture behaviors made by the individual identified pedestrians in the surveillance video, including but not limited to whether to make a riot such as a boxing and/or a kicking, etc., which may preferably employ a PMPE (region Multi-Person Pose Estimation) model. The specific application process of the PMPE model is as follows: the human body boundary box detected by the human body detector is sent to a module of SSTN (symmetric spatial transformer network) +SPPE (single-person pose estimator) so as to automatically generate an attitude mark; the generated pose markers are then processed by a parameterized pose non-maxima suppression (parametric pose NMS) module to obtain an estimated human pose. Meanwhile, in the training process of the PMPE model, in order to avoid trapping local minima and better utilize SSTN, a parallel SPPE is introduced, and an existing training example is enhanced by using a gesture guidance mark generator (PGPG: phase-guided proposals generator). In addition, the human body detector, the SSTN, the SPPE, the pose non-maximum suppression module, the parallel SPPE and the pose guide mark generator are all existing terms or technical features, and a person skilled in the art can routinely obtain the PMPE model and perform pose estimation application. The surrounding can specifically be in the range of 1 meter radius, so that the pedestrian can be identified as an effective riot object, the establishment of a violence event can be judged, then, the onsite video data are transmitted and reserved, the riot evidence can be automatically reserved, and the history backtracking is facilitated. In addition, the monitoring center can automatically trigger an alarm when receiving the field video data, so that an alarm receiving person can prevent a riot action in time.
Further preferably, the intelligent camera is further configured to collect an ambient light intensity of the lens field area, and transmit the ambient light intensity to the street lamp control node; the street lamp control node is further used for transmitting the ambient light intensity to the monitoring center; and the monitoring center is also used for generating a fifth lamp control instruction for enabling the dimmed environment brightness to be suitable for photographing and evidence obtaining according to the environment light intensity when the field video data is received in the night illumination period, and transmitting the fifth lamp control instruction to the street lamp control node. The foregoing making the environment brightness suitable for photographing and evidence obtaining means that the current environment light intensity is different from the brightness required for photographing, and the light supplementing is turned on (for example, the light is turned on fully), so that the obtained environment brightness is suitable for photographing and evidence obtaining, the obtained field video data is ensured to have high quality, and the history backtracking is further facilitated.
Preferably, the street lamp facility is also provided with a photovoltaic power generation plate 35, a wind driven generator 36, an energy storage bin 37 and the like from top to bottom, wherein the energy storage bin 37 is internally provided with a rectifying module, a charging module, a storage battery and the like; the direct current output end of the photovoltaic power generation panel 35 is electrically connected with the charging module, the alternating current output end of the wind driven generator 36 is electrically connected with the rectifying module, the direct current output end of the rectifying module is electrically connected with the input end of the charging module, the output end of the charging module is electrically connected with the storage battery, and the storage battery is respectively electrically connected with the lighting equipment and the intelligent camera. As shown in fig. 2, the lighting device 31 is mounted on top of the lamp post 30 so as to provide an optimal lighting effect (the aforementioned smart camera, the street lamp status detection module, and the environmental data collection module are not shown in fig. 2); the photovoltaic power generation panel 35 is installed at an upper portion of the lamp post 30 so as to convert light energy into direct current without shielding and provide the direct current to the charging module and the storage battery; the wind power generator 36 is installed at the middle of the lamp post 30 to convert natural wind power and wind power generated by the passing of the vehicle into ac power and provide the ac power to the rectifying module (after converting dc power through the rectifying module, the converted dc power may be provided to the charging module and the storage battery). The photovoltaic power generation panel 35, the wind power generator 36, the rectifying module, the charging module, the storage battery and the like can be conventionally realized by adopting the existing hardware. Therefore, through the wind-solar energy storage scheme, clean and sustainable energy sources can be provided for the street lamp facilities, and carbon neutralization in the road domain range is truly realized. In addition, the storage battery is electrically connected to power consumption modules such as the street lamp status detection module and the environmental data collection module, etc., so as to provide power support thereto.
Further preferably, the energy storage bin 37 is further internally provided with a controller, a change-over switch, an inverter, hydrogen production equipment and a hydrogen storage tank, wherein the controller is respectively in communication connection with an electric quantity information output end of the storage battery and a controlled end of the change-over switch, a public connection end of the change-over switch is electrically connected with an output end of the charging module, a first change-over end of the change-over switch is electrically connected with the storage battery, a second change-over end of the change-over switch is electrically connected with an input end of the inverter, an output end of the inverter is electrically connected with a power end of the hydrogen production equipment, and a hydrogen output port of the hydrogen production equipment is communicated with the hydrogen storage tank; the controller is used for controlling the change-over switch to cut off the electric connection relation between the charging module and the storage battery and to conduct the electric connection relation between the charging module and the inverter when the electric quantity value of the storage battery is larger than or equal to a first preset electric quantity threshold value, so that the hydrogen production equipment is started to prepare hydrogen and store the hydrogen in the hydrogen storage tank, until the electric quantity value of the storage battery is smaller than or equal to a second preset electric quantity threshold value, the change-over switch is controlled to cut off the electric connection relation between the charging module and the inverter and to conduct the electric connection relation between the charging module and the storage battery, and charging of the storage battery is recovered, wherein the second preset electric quantity threshold value is smaller than the first preset electric quantity threshold value. The hydrogen production principle of the hydrogen production device can be, but is not limited to, an electrolytic water mode. The controller, the change-over switch, the inverter, the hydrogen production equipment, the hydrogen storage tank and the like can be conventionally realized by adopting existing hardware, for example, the controller adopts a singlechip chip with the model of STM32F103 series and the like. By the wind, light and hydrogen storage integrated scheme, redundant electric energy obtained by power generation can be used for hydrogen production, and because the hydrogen can be conveyed to an energy utilization terminal or is integrated into a power grid through a fuel cell, discrete and unstable new energy power can be converted into stable hydrogen energy, zero pollution circulation (namely no pollutant is generated) is realized, a new solution idea can be provided for wind power and photoelectric energy storage, a mode of independent development and operation of an energy supply system is broken, a foundation is laid for coordinated development of a comprehensive energy system, development and hydrogen storage integrated is enabled, large-scale development of renewable energy sources can be promoted, an important way for new energy consumption is also constructed, and an important solution in a future zero-carbon city comprehensive energy supply system can be constructed. In addition, the hydrogen storage tank can be used for conveying hydrogen to a remote energy utilization terminal through an external pipeline or can be integrated into an electric network through a fuel cell.
In summary, the street lamp illumination energy-saving management system provided by the embodiment has the following technical effects:
(1) The embodiment provides a novel control scheme for dynamically dimming a street lamp based on a scene pedestrian density identification result, namely the novel control scheme comprises a monitoring center, a street lamp control node and street lamp facilities, wherein lighting equipment and an intelligent camera are installed on the street lamp facilities, the intelligent camera is used for collecting scene video data, then the scene video data is subjected to pedestrian identification processing by adopting a target detection algorithm to obtain a pedestrian identification result, then the pedestrian density is calculated according to the number of pedestrians identified in the pedestrian identification result and the known area of a lens visual field area, the street lamp control node is used for transmitting the pedestrian density to the monitoring center, receiving a lamp control instruction from the monitoring center and performing dimming operation on the lighting equipment according to the lamp control instruction, and the monitoring center is used for generating the lamp control instruction for positively correlating the dimmed lighting brightness with the pedestrian density according to the pedestrian density in a night lighting period, so that the lamp control instruction is transmitted and executed, the lighting brightness and the scene lighting requirement of pedestrians are balanced, the street lamp control instruction is inconvenient to realize the actual application and inconvenient popularization;
(2) The method can also detect whether a violence event occurs on the scene, can realize the purposes of automatically retaining the violence evidence and facilitating the history backtracking by transmitting and retaining the scene video data at some time, and can also ensure that the obtained scene video data has high quality by controlling the dimming of the lighting equipment so that the obtained environment brightness is suitable for shooting and evidence obtaining;
(3) By providing the wind, light and hydrogen storage integrated scheme, the redundant electric energy obtained by power generation can be used for hydrogen production, and because the hydrogen can be transported to an energy utilization terminal or is integrated into a power grid through a fuel cell, discrete and unstable new energy power can be converted into stable hydrogen energy, zero pollution circulation (namely no pollutant is generated), a new solution idea can be provided for wind power and photoelectric energy storage, a mode of independent development and operation of an energy supply system is broken, a foundation is laid for coordinated development of a comprehensive energy system, development and hydrogen storage integrated is enabled, large-scale development of renewable energy sources can be promoted, an important way for new energy consumption is also established, and an important solution in a future zero-carbon city comprehensive energy supply system can be constructed.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The street lamp illumination energy-saving management system is characterized by comprising a monitoring center, a street lamp control node and a street lamp facility, wherein illumination equipment and an intelligent camera are installed on the street lamp facility, and an illumination area of the illumination equipment is overlapped with a lens vision area of the intelligent camera;
the intelligent camera is in communication connection with the street lamp control node and is used for collecting field video data of the lens visual field area, then a target detection algorithm is adopted to conduct pedestrian recognition processing on the field video data to obtain a pedestrian recognition result, then the pedestrian density is calculated according to the number of pedestrians recognized in the pedestrian recognition result and the known area of the lens visual field area, and finally the pedestrian density is transmitted to the street lamp control node;
the street lamp control node is in communication connection with the monitoring center and is also electrically connected with the lighting equipment, and is used for transmitting the pedestrian density to the monitoring center, receiving a lamp control instruction from the monitoring center and performing dimming operation on the lighting equipment according to the lamp control instruction;
the monitoring center is used for generating the lamp control instruction for positively correlating the dimmed illumination brightness with the pedestrian density according to the pedestrian density in the night illumination period, and transmitting the lamp control instruction to the street lamp control node.
2. The street lamp lighting energy-saving management system of claim 1, wherein the intelligent camera is further configured to collect an ambient light intensity of the lens field of view area and transmit the ambient light intensity to the street lamp control node;
the street lamp control node is further used for transmitting the ambient light intensity to the monitoring center;
the monitoring center is used for generating a first lamp control instruction for enabling the dimmed ambient brightness to be equal to the target brightness according to the ambient light intensity in a first night illumination period, transmitting the first lamp control instruction to the street lamp control node, generating a second lamp control instruction for enabling the dimmed illumination brightness to be positively related to the pedestrian density according to the pedestrian density in a second night illumination period, and transmitting the second lamp control instruction to the street lamp control node, wherein the second night illumination period is later than the first night illumination period.
3. The street lamp lighting energy saving management system of claim 1, wherein when the street lamp facility is plural and is arranged at intervals in sequence on the same road section, the monitoring center is further configured to generate a third lighting instruction for lighting the plural street lamp facilities at intervals of two and one in a third night lighting period, and transmit the third lighting instruction to the street lamp control node, and generate a fourth lighting instruction for lighting the plural street lamp facilities at intervals of one and transmit the fourth lighting instruction to the street lamp control node in a fourth night lighting period, wherein the fourth night lighting period is later than the third night lighting period.
4. The street lamp lighting energy-saving management system of claim 1, wherein a street lamp state detection module which is in communication connection with the street lamp control node is further installed on the street lamp facility, and the street lamp state detection module is used for detecting and obtaining working state data of the lighting equipment and/or the intelligent camera and transmitting the working state data to the street lamp control node, and the working state data comprises any one or any combination of current information, voltage information, power information and battery power information;
the street lamp control node is also used for transmitting the working state data to the monitoring center;
the monitoring center is further used for judging whether the lighting equipment and/or the intelligent camera have faults or operation non-response conditions according to the working state data, and if so, an alarm is triggered.
5. The street lamp lighting energy-saving management system of claim 1, wherein the street lamp facility is further provided with an environmental data acquisition module in communication connection with the street lamp control node, wherein the environmental data acquisition module is used for detecting and obtaining surrounding environmental data and transmitting the environmental data to the street lamp control node, and the environmental data comprises any one or any combination of air pressure information, temperature information, humidity information, PM2.5 concentration information and precipitation information;
The street lamp control node is further used for transmitting the environment data to the monitoring center;
the monitoring center is also used for locally storing the environment data.
6. The street lamp lighting energy-saving management system according to claim 1, wherein the camera is further configured to identify pedestrians in the pedestrian identification results, identify the pedestrians by using a gesture estimation algorithm according to the live video data, and then determine that there is a violence event if it is found that the corresponding pedestrians do a violence action at a certain position and another identified pedestrians exist around the certain position according to the gesture identification result, and transmit the live video data to the street lamp control node;
the street lamp control node is also used for transmitting the field video data to the monitoring center;
the monitoring center is also used for locally storing the field video data.
7. The street lamp lighting energy-saving management system of claim 6, wherein the intelligent camera is further configured to collect an ambient light intensity of the lens field of view area and transmit the ambient light intensity to the street lamp control node;
The street lamp control node is further used for transmitting the ambient light intensity to the monitoring center;
and the monitoring center is also used for generating a fifth lamp control instruction for enabling the dimmed environment brightness to be suitable for photographing and evidence obtaining according to the environment light intensity when the field video data is received in the night illumination period, and transmitting the fifth lamp control instruction to the street lamp control node.
8. The street lamp lighting energy saving management system of claim 1, wherein the number of street lamp control nodes is plural and each is connected to the monitoring center through a remote radio LoRa gateway wireless communication.
9. The street lamp illumination energy-saving management system according to claim 1, wherein a photovoltaic power generation plate (35), a wind driven generator (36) and an energy storage bin (37) are further arranged on the street lamp facility from top to bottom, and a rectifying module, a charging module and a storage battery are arranged in the energy storage bin (37);
the direct current output end of the photovoltaic power generation plate (35) is electrically connected with the charging module, the alternating current output end of the wind driven generator (36) is electrically connected with the rectifying module, the direct current output end of the rectifying module is electrically connected with the input end of the charging module, the output end of the charging module is electrically connected with the storage battery, and the storage battery is respectively and electrically connected with the lighting equipment and the intelligent camera.
10. The street lamp lighting energy-saving management system according to claim 9, wherein the energy storage bin (37) is further internally provided with a controller, a change-over switch, an inverter, hydrogen production equipment and a hydrogen storage tank, wherein the controller is respectively in communication connection with an electric quantity information output end of the storage battery and a controlled end of the change-over switch, a common connection end of the change-over switch is electrically connected with an output end of the charging module, a first change-over end of the change-over switch is electrically connected with the storage battery, a second change-over end of the change-over switch is electrically connected with an input end of the inverter, an output end of the inverter is electrically connected with a power end of the hydrogen production equipment, and a hydrogen output port of the hydrogen production equipment is communicated with the hydrogen storage tank;
the controller is used for controlling the change-over switch to cut off the electric connection relation between the charging module and the storage battery and to conduct the electric connection relation between the charging module and the inverter when the electric quantity value of the storage battery is larger than or equal to a first preset electric quantity threshold value, so that the hydrogen production equipment is started to prepare hydrogen and store the hydrogen in the hydrogen storage tank, until the electric quantity value of the storage battery is smaller than or equal to a second preset electric quantity threshold value, the change-over switch is controlled to cut off the electric connection relation between the charging module and the inverter and to conduct the electric connection relation between the charging module and the storage battery, and charging of the storage battery is recovered, wherein the second preset electric quantity threshold value is smaller than the first preset electric quantity threshold value.
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