CN116886738B - Smart city road illumination engineering management system - Google Patents

Smart city road illumination engineering management system Download PDF

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Publication number
CN116886738B
CN116886738B CN202311154471.3A CN202311154471A CN116886738B CN 116886738 B CN116886738 B CN 116886738B CN 202311154471 A CN202311154471 A CN 202311154471A CN 116886738 B CN116886738 B CN 116886738B
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data
road
lighting
road lighting
module
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CN116886738A (en
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韩天鸿
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Beijing Xingguang Yuhua Optoelectronic Technology Co ltd
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Beijing Xingguang Yuhua Lighting Technology Development Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/10—Pre-processing; Data cleansing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • 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
    • H05B47/20—Responsive to malfunctions or to light source life; for protection

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Abstract

The invention discloses a smart city road lighting engineering management system, which particularly relates to the technical field of road lighting, and is characterized in that a sensor and monitoring equipment are installed to monitor city road lighting facilities in real time, the road is divided into different lighting areas according to the type and the function of the road, a comfortable driving environment is provided, electric power is transmitted from a power grid to the lighting equipment by using an underground cable, stable electric power supply is provided, a leakage protector and an overvoltage protector device are provided to prevent electric shock accidents and fire disasters, abnormal conditions of the whole area are monitored by the intelligent sensor, alarm information is sent to related maintenance personnel, monitoring data of the lighting facilities are stored and managed, a line diagram is used for displaying changes and trends of the road lighting data, the road lighting facilities are integrated with other safety management systems, fault alarm data in the road lighting systems are sent to the other safety management systems, timely response and linkage are realized, and the safety and the efficiency of city traffic are improved.

Description

Smart city road illumination engineering management system
Technical Field
The invention relates to the technical field of road illumination, in particular to a smart city road illumination engineering management system.
Background
Along with the development of the Internet of things and sensor technology, the intelligent control system is widely applied to urban road illumination, and the functions of remote monitoring, automatic adjustment of illumination brightness, intelligent fault detection and the like are utilized to realize accurate control and management of illumination facilities and improve road illumination effect and energy utilization efficiency. In addition, urban illumination is a combination of art and science, and relates to comprehensive application of multiple subjects such as optics, aesthetics, electricity, architecture, computers and the like, and is a comprehensive and systematic project. With the development of Chinese economy and the improvement of living standard of residents, urban illumination is no longer a simple object illuminating process, and an excellent urban illumination scheme is to integrate artistic, technical and urban cultural features through illumination, so that urban features can be remodeled and reproduced at night, and the special scenery of urban at night is shown.
However, the traditional road lighting facilities need to be manually inspected, and maintenance personnel need to go to the site for processing after the faults are found. The method has the problems of patrol blind area, low efficiency and higher cost.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present invention provides a system for managing lighting engineering of a smart city road, which automatically identifies and reports faults and anomalies of lamps and sends alarm information to related maintenance personnel to solve the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the invention provides a technical scheme that a smart city road lighting engineering management system comprises a real-time monitoring module, a region dividing module, a power supply module, a fault management module, a data management module and a safety management module;
and the real-time monitoring module is used for: through installing the sensor, measure the intensity data of light, handle the road lighting data of gathering, utilize wireless mode to be connected to monitoring system with the sensor, monitor urban road lighting facilities in real time.
Region dividing module: the division of the illumination areas is determined according to the types and the functions of the roads, the number of lamp poles and lamps is increased, a better illumination effect is provided, a driver is ensured to clearly see traffic signs and road conditions, and safety is improved.
And an electric power supply module: the underground cable is used for conveying electric power from the power grid to the lighting equipment, so that the influence of power interruption and fluctuation on the lighting equipment is reduced, the solar panel is adopted as a standby power supply source for power supply interruption, and the electric leakage protector and the overvoltage protector are provided to prevent electric shock accidents and fire disasters.
And a fault management module: the intelligent sensor is arranged on the lamp, the state and the performance of the lamp are monitored, the abnormal condition of the whole area is monitored by comparing the data among the lamps, and the alarm information is sent to related maintenance personnel.
And a data management module: the monitoring data of the lighting facilities are stored and managed, the light intensity data of each day is displayed by using the line graph, the change and trend of the road lighting data are intuitively displayed, and the monitoring departments and the management staff are helped to know the state of the lighting facilities.
And a safety management module: the network connection is established through the local area network, so that bidirectional exchange and sharing of data are realized, fault alarm data in the road lighting system are sent to other safety management systems, timely response and linkage are realized, and the safety and efficiency of urban traffic are improved.
In a preferred embodiment, the real-time monitoring module installs an illumination sensor on a lamp post, measures intensity data of light, the sensor is connected with a network, a data recorder is arranged to receive road illumination data collected by the sensor, process the collected road illumination data, accurately transmit the data to the data recorder in a wireless manner, sample the data according to fixed time intervals, and ensure safety and reliability of data storage, and the method specifically comprises the following steps:
s1, data processing: comparing key fields, deleting repeated data, using an interpolation method, carrying out interpolation calculation on acquired data through linear interpolation, polynomial interpolation and spline interpolation methods, estimating the value of an unknown data point, and filling the value lacking in the fields, wherein the specific calculation formula is as follows:
，
where f (x) represents the value of the unknown data point to be estimated;a value representing a known data point; />Representing a lagrangian interpolation polynomial, n representing the number of known data points; the formula of the lagrangian interpolation polynomial is as follows:
，
where i represents the subscript of the known data point currently being calculated, j represents the subscript of the other known data point, x represents the abscissa of the other known data point, and xi represents the abscissa of the known data point currently being calculated.
For inconsistent data of the same entity in different fields and time points, logic check and correction are needed, rationality verification is carried out on the data, the data are unified, standardized and normalized, the data compatibility and consistency among different data sources are ensured, the process and the result of cleaning operation are recorded, a data cleaning log is established, the data cleaning result is checked, and the reliability of the cleaned data quality is ensured;
s2, monitoring in real time: the sensor is connected to the monitoring system in a wireless mode, reliable and stable data transmission is ensured, real-time monitoring is carried out on road illumination data, illuminance data collected in real time is compared and analyzed, a normal variation range of illuminance is established according to historical data and real-time monitoring data, the data is converted into standard normal distribution by using a statistical method, the difference between each data point and the mean value is calculated, and the standard deviation is divided to obtain the fluctuation degree of illuminance, wherein the specific calculation formula is as follows:
，
wherein,indicating the fluctuation degree of illuminance; />Representing data points; />Representing the mean of the data points; />Representing standard deviation; />A range of-2 to 2 is considered normal.
In a preferred embodiment, the area dividing module determines the division of the illumination area according to the type and the function of the road, and specifically includes the following steps:
s1, main road area: traffic tracks of expressways and urban arterial roads have high traffic flow and pedestrian flow, and the bus bar lamps are used for ensuring that the whole area is sufficiently illuminated;
s2, secondary trunk area: the secondary road is connected with the primary road, the lamp posts are arranged at intervals according to the road width, road conditions, traffic flow and the requirements of pedestrians and vehicles, and the LED lamps are adopted to ensure that the road has enough uniform illumination;
s3, crossing areas: the road junction is a key part of road traffic, the number of lamp posts and lamps is increased, a better lighting effect is provided, and a driver is ensured to clearly see traffic signs and road conditions;
s4, pedestrian crossing area: the LED lamp with high brightness and wide-angle illumination range is adopted, so that pedestrians can clearly see road and traffic conditions, and the safety of the pedestrians is improved;
s5, tunnel illumination area: the high-pressure sodium lamp with high brightness, durability and anti-dazzle function is used, so that clear vision in a tunnel is ensured, and visual fatigue of a driver is reduced.
In a preferred embodiment, the power supply module uses underground cables to transmit power from a power grid to lighting equipment, reduces the influence of power interruption and fluctuation on the lighting equipment, improves the safety of a power transmission line, ensures the normal operation of a lighting system, adopts a solar panel as a standby power supply source for power supply interruption, ensures the normal operation of a street lamp, uses a voltage stabilizing device to adjust voltage fluctuation, balances voltage fluctuation and peak Gu Chayi, ensures the stable lighting effect of the street lamp, is provided with a leakage protector and an overvoltage protector device, the leakage protector detects the leakage fault caused by insulation damage of the wire equipment, rapidly cuts off the power supply, prevents electric shock accidents and fire, protects personal safety, protects the street lamp equipment from sudden overvoltage in the power grid, guides the overvoltage to a ground wire by absorbing the overvoltage, protects the street lamp equipment from damage, and keeps the working voltage of the street lamp equipment within a safe range.
In a preferred embodiment, the fault management module installs an intelligent sensor on a lamp, monitors the state and performance of the lamp, monitors the temperature condition of the lamp through a temperature sensor, monitors the abnormal light intensity of a photosensitive sensor, monitors the movement change in the surrounding environment through a movement sensor, compares the collected data with a normal working range, identifies the fault of the lamp, monitors the abnormal condition of the whole area through comparing the data among a plurality of lamps, and triggers an alarm signal through sending an HTTP request, and specifically comprises the following steps:
s1, defining a target URL: determining a URL address of an HTTP request received by an alarm system;
s2, setting a request header: providing a specific authentication token in the request header, ensuring the legitimacy and security of the request;
s3, setting a request body: providing data required for triggering an alarm in a request body;
s4, sending an HTTP request: sending the constructed HTTP request to a target URL of an alarm system;
s5, processing and alarming: after the alarm system receives the HTTP request, corresponding alarm processing is carried out according to the set alarm event and condition;
according to the alarm signal, corresponding alarm information is generated, the position and the type of the abnormal lamp and the abnormal description are contained, so that maintenance personnel can conveniently and quickly know the problem, after receiving the alarm information, the maintenance personnel need to respond and process the abnormal condition, go to the site for inspection and maintenance, record the alarm information and the processing process, and facilitate subsequent analysis and improvement.
In a preferred embodiment, the data management module classifies and organizes the collected data according to the location, type and time factors of the lighting facilities, and specifically comprises the following steps:
s1, data classification and storage: according to the brightness level of the lamp, the lamp is divided into different brightness categories, a table containing a time stamp, a lamp ID, brightness and a working state field is created in a database, a cloud storage API interface is called, insertion, query and update operations are realized, actual monitoring data are stored in the database, a local disk is used for carrying out periodic backup on the stored data, data loss is prevented, query sentences are written, reports are created and visual data are created according to storage requirements, and the stored monitoring data can be conveniently searched and analyzed;
s2, data encryption: the data after processing is encrypted and the access authority of the data is limited, the AES algorithm divides the data to be encrypted into blocks, and the data is encrypted through multiple rounds of substitution, replacement and mixing operations, and the specific steps are as follows:
step 1, key expansion: generating an extended key table according to the input key, and generating a plurality of sub-keys;
step 2, byte substitution: changing data by mapping each byte of input to another byte, performing byte substitution using a lookup table of a 16 x 16 two-dimensional array S-box, mapping each 8-bit input byte to a corresponding 8-bit output byte;
step 3, line shift: according to the selected key length, each row of the state matrix is circularly shifted to the left, the first row is not shifted, the second row is circularly shifted to the left by one byte, the third row is circularly shifted to the left by two bytes, the fourth row is circularly shifted to the left by three bytes, the bytes of each row are rearranged according to a certain rule by the circular shift operation, the sequence of the bytes is disordered, and the confusion effect of an algorithm is increased;
step 4, mixing: performing linear transformation on each column of the state matrix, regarding each column of the state matrix as a polynomial, and multiplying the fixed polynomial by bytes at corresponding positions in the original matrix to obtain a new byte value;
step 5, round key adding: the round key is a key derived from the master key, is used for carrying out exclusive-or operation with the state matrix in the encryption and decryption processes to obtain a new byte value, and outputs the encrypted data block after the round key is matched with the size of the state matrix and is subjected to multiple rounds of operation, wherein the logic operation rule is as follows:
，
s3, visual display: the light intensity data of each day is displayed by using a line graph, the horizontal axis represents time, the vertical axis represents index values, the change condition of indexes along with time is clearly seen through connecting data points of all time points, the change and trend of road illumination data are intuitively displayed, the supervision departments and management staff are helped to know the state of illumination facilities, and decisions are made based on the data.
In a preferred embodiment, the security management module knows the data type and content to be exchanged between the road lighting system and other security management systems, designs an API interface to realize data exchange and communication between the systems according to the requirements, ensures that the data between the different systems can be mutually identified and understood, performs data format compatibility processing, establishes secure and reliable network connection through a local area network, realizes bidirectional exchange and sharing of the data, sends fault alarm data in the road lighting system to other security management systems, realizes timely response and linkage, performs testing and verification after integration is completed, ensures stability and reliability of an integrated function, and checks accuracy and integrity of the data exchange and linkage by simulating various scenes and conditions, and specifically comprises the following steps:
s1, unifying data formats: unifying data formats between the road lighting system and other safety management systems, and selecting and using a universal JSON data format standard to ensure that the data formats can be identified and analyzed between the systems;
s2, API integration: the road lighting system and other safety management systems provide API interfaces, compatibility processing of data formats is realized by calling APIs, request and response data formats of the interfaces are known by referring to API documents, and corresponding data conversion and adaptation are performed;
s3, data verification and correction: in the data exchange process, strict data verification and correction are carried out, the types, the lengths and the formats of the fields are checked, and data which do not meet the requirements are corrected, so that the validity and the accuracy of the data are ensured.
The invention has the technical effects and advantages that:
the invention monitors urban road lighting facilities in real time by installing the sensors and the monitoring equipment, divides the road into different lighting areas according to the types and functions of the road, provides comfortable driving environment, uses the underground cable to transmit power from a power grid to the lighting equipment, provides stable power supply, is provided with the electric leakage protector and the overvoltage protector device to prevent electric shock accidents and fires, installs the intelligent sensor on a lamp, monitors abnormal conditions of the whole area, sends alarm information to related maintenance personnel, stores and manages monitoring data of the lighting facilities, displays changes and trends of the road lighting data by using a line diagram, is integrated with other safety management systems, sends fault alarm data in the road lighting system to other safety management systems, realizes timely response and linkage, reduces visual obstacle when the urban road lighting is used at night, helps drivers to see road vehicles more clearly, and reduces traffic accidents.
Drawings
FIG. 1 is a system flow diagram of the present invention;
fig. 2 is a block diagram of the system architecture of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
the embodiment provides a system for managing the illumination engineering of a smart city road as shown in fig. 1, which specifically comprises the following steps:
step 101, monitoring urban road lighting facilities in real time by installing sensors and monitoring equipment;
102, dividing a road into different illumination areas, providing a comfortable driving environment and reducing energy consumption;
step 103, using an underground cable to deliver power from the grid to the lighting device, providing a stable power supply;
104, sending alarm information to related maintenance personnel through automatic recognition and reporting of lamp faults and abnormal conditions;
step 105, storing and managing the monitoring data of the lighting facilities, generating a report for statistical analysis, and providing decision basis for urban planning;
and 106, integrating with other safety management systems, realizing information sharing and linkage, and improving the safety and efficiency of urban traffic.
As shown in fig. 2, the present embodiment provides a system for managing illumination engineering of a smart city road, which specifically includes:
and the real-time monitoring module is used for: through installing the sensor, measure the intensity data of light, handle the road lighting data of gathering, utilize wireless mode to be connected to monitoring system with the sensor, monitor urban road lighting facilities in real time.
Region dividing module: the division of the illumination areas is determined according to the types and the functions of the roads, the number of lamp poles and lamps is increased, a better illumination effect is provided, a driver is ensured to clearly see traffic signs and road conditions, and safety is improved.
And an electric power supply module: the underground cable is used for conveying electric power from the power grid to the lighting equipment, so that the influence of power interruption and fluctuation on the lighting equipment is reduced, the solar panel is adopted as a standby power supply source for power supply interruption, and the electric leakage protector and the overvoltage protector are provided to prevent electric shock accidents and fire disasters.
And a fault management module: the intelligent sensor is arranged on the lamp, the state and the performance of the lamp are monitored, the abnormal condition of the whole area is monitored by comparing the data among the lamps, and the alarm information is sent to related maintenance personnel.
And a data management module: the monitoring data of the lighting facilities are stored and managed, the light intensity data of each day is displayed by using the line graph, the change and trend of the road lighting data are intuitively displayed, and the monitoring departments and the management staff are helped to know the state of the lighting facilities.
And a safety management module: the network connection is established through the local area network, so that bidirectional exchange and sharing of data are realized, fault alarm data in the road lighting system are sent to other safety management systems, timely response and linkage are realized, and the safety and efficiency of urban traffic are improved.
Step 101, monitoring urban road lighting facilities in real time by installing sensors and monitoring equipment;
in this embodiment, what needs to be specifically stated is a real-time monitoring module, the real-time monitoring module installs the illumination sensor on the lamp pole, measures the intensity data of light, and the sensor links to each other with the network, sets up the road lighting data that the data logger received the sensor and gathers, handles the road lighting data who gathers, accurately transmits data to the data logger through wireless mode, samples according to fixed time interval, ensures data storage's security and reliability, specifically includes following:
s1, data processing: comparing key fields, deleting repeated data, using an interpolation method, carrying out interpolation calculation on acquired data through linear interpolation, polynomial interpolation and spline interpolation methods, estimating the value of an unknown data point, and filling the value lacking in the fields, wherein the specific calculation formula is as follows:
，
where f (x) represents the value of the unknown data point to be estimated;a value representing a known data point; />Representing a lagrangian interpolation polynomial, n representing the number of known data points; the formula of the lagrangian interpolation polynomial is as follows:
，
where i represents the subscript of the known data point currently being calculated, j represents the subscript of the other known data point, x represents the abscissa of the other known data point, and xi represents the abscissa of the known data point currently being calculated.
For inconsistent data of the same entity in different fields and time points, logic check and correction are needed, rationality verification is carried out on the data, the data are unified, standardized and normalized, the data compatibility and consistency among different data sources are ensured, the process and the result of cleaning operation are recorded, a data cleaning log is established, the data cleaning result is checked, and the reliability of the cleaned data quality is ensured;
s2, monitoring in real time: the sensor is connected to the monitoring system in a wireless mode, reliable and stable data transmission is ensured, real-time monitoring is carried out on road illumination data, illuminance data collected in real time is compared and analyzed, a normal variation range of illuminance is established according to historical data and real-time monitoring data, the data is converted into standard normal distribution by using a statistical method, the difference between each data point and the mean value is calculated, and the standard deviation is divided to obtain the fluctuation degree of illuminance, wherein the specific calculation formula is as follows:
，
wherein,indicating the fluctuation degree of illuminance; />Representing data points; />Representing the mean of the data points; />Representing standard deviation; />A range of-2 to 2 is considered normal.
102, dividing a road into different illumination areas, providing a comfortable driving environment and reducing energy consumption;
in this embodiment, a specific description is provided of a region dividing module, where the region dividing module determines the division of the illumination region according to the type and the function of the road, and specifically includes the following contents:
s1, main road area: traffic tracks of expressways and urban arterial roads have high traffic flow and pedestrian flow, and the bus bar lamps are used for ensuring that the whole area is sufficiently illuminated;
s2, secondary trunk area: the secondary road is connected with the primary road, the lamp posts are arranged at intervals according to the road width, road conditions, traffic flow and the requirements of pedestrians and vehicles, and the LED lamps are adopted to ensure that the road has enough uniform illumination;
s3, crossing areas: the road junction is a key part of road traffic, the number of lamp posts and lamps is increased, a better lighting effect is provided, and a driver is ensured to clearly see traffic signs and road conditions;
s4, pedestrian crossing area: the LED lamp with high brightness and wide-angle illumination range is adopted, so that pedestrians can clearly see road and traffic conditions, and the safety of the pedestrians is improved;
s5, tunnel illumination area: the high-pressure sodium lamp with high brightness, durability and anti-dazzle function is used, so that clear vision in a tunnel is ensured, and visual fatigue of a driver is reduced.
Step 103, using an underground cable to deliver power from the grid to the lighting device, providing a stable power supply;
in this embodiment, a specific description is to be given of a power supply module, the power supply module uses an underground cable to transmit power from a power grid to a lighting device, so as to reduce the influence of power interruption and fluctuation on the lighting device, promote the safety of a power transmission line, ensure the normal operation of the lighting system, use a solar panel as a standby power supply source for power interruption, ensure the normal operation of a street lamp, use a voltage stabilizing device to adjust voltage fluctuation, balance the voltage fluctuation and peak Gu Chayi, ensure the stable lighting effect of the street lamp, and provide a leakage protector and an overvoltage protector device, the leakage protector detects the leakage fault caused by the insulation damage of the wire device, rapidly cuts off the power supply, prevents electric shock accidents and fires, protects personal safety, protects the street lamp device from the influence of sudden overvoltage in the power grid, drains the overvoltage to the ground wire by absorbing the overvoltage, protects the street lamp device from damage, and keeps the working voltage of the street lamp device within a safe range.
104, sending alarm information to related maintenance personnel through automatic recognition and reporting of lamp faults and abnormal conditions;
in this embodiment, a specific description is a fault management module, the fault management module installs an intelligent sensor on a lamp, monitors the state and performance of the lamp, monitors the temperature condition of the lamp through a temperature sensor, monitors abnormal light intensity through a photosensitive sensor, monitors motion changes in surrounding environments through a motion sensor, compares collected data with a normal working range, identifies a lamp fault, monitors abnormal conditions of an entire area through comparing data among a plurality of lamps, and triggers an alarm signal through sending an HTTP request, and specifically includes the following steps:
s1, defining a target URL: determining a URL address of an HTTP request received by an alarm system;
s2, setting a request header: providing a specific authentication token in the request header, ensuring the legitimacy and security of the request;
s3, setting a request body: providing data required for triggering an alarm in a request body;
s4, sending an HTTP request: sending the constructed HTTP request to a target URL of an alarm system;
s5, processing and alarming: after the alarm system receives the HTTP request, corresponding alarm processing is carried out according to the set alarm event and condition;
according to the alarm signal, corresponding alarm information is generated, the position and the type of the abnormal lamp and the abnormal description are contained, so that maintenance personnel can conveniently and quickly know the problem, after receiving the alarm information, the maintenance personnel need to respond and process the abnormal condition, go to the site for inspection and maintenance, record the alarm information and the processing process, and facilitate subsequent analysis and improvement.
Step 105, storing and managing the monitoring data of the lighting facilities, generating a report for statistical analysis, and providing decision basis for urban planning;
in this embodiment, a specific description is provided of a data management module, where the data management module classifies and organizes collected data according to the location, type and time factor of the lighting facility, and specifically includes the following contents:
s1, data classification and storage: according to the brightness level of the lamp, the lamp is divided into different brightness categories, a table containing a time stamp, a lamp ID, brightness and a working state field is created in a database, a cloud storage API interface is called, insertion, query and update operations are realized, actual monitoring data are stored in the database, a local disk is used for carrying out periodic backup on the stored data, data loss is prevented, query sentences are written, reports are created and visual data are created according to storage requirements, and the stored monitoring data can be conveniently searched and analyzed;
s2, data encryption: the data after processing is encrypted and the access authority of the data is limited, the AES algorithm divides the data to be encrypted into blocks, and the data is encrypted through multiple rounds of substitution, replacement and mixing operations, and the specific steps are as follows:
step 1, key expansion: generating an extended key table according to the input key, and generating a plurality of sub-keys;
step 2, byte substitution: changing data by mapping each byte of input to another byte, performing byte substitution using a lookup table of a 16 x 16 two-dimensional array S-box, mapping each 8-bit input byte to a corresponding 8-bit output byte;
step 3, line shift: according to the selected key length, each row of the state matrix is circularly shifted to the left, the first row is not shifted, the second row is circularly shifted to the left by one byte, the third row is circularly shifted to the left by two bytes, the fourth row is circularly shifted to the left by three bytes, the bytes of each row are rearranged according to a certain rule by the circular shift operation, the sequence of the bytes is disordered, and the confusion effect of an algorithm is increased;
step 4, mixing: performing linear transformation on each column of the state matrix, regarding each column of the state matrix as a polynomial, and multiplying the fixed polynomial by bytes at corresponding positions in the original matrix to obtain a new byte value;
step 5, round key adding: the round key is a key derived from the master key, is used for carrying out exclusive-or operation with the state matrix in the encryption and decryption processes to obtain a new byte value, and outputs the encrypted data block after the round key is matched with the size of the state matrix and is subjected to multiple rounds of operation, wherein the logic operation rule is as follows:
，
s3, visual display: the light intensity data of each day is displayed by using a line graph, the horizontal axis represents time, the vertical axis represents index values, the change condition of indexes along with time is clearly seen through connecting data points of all time points, the change and trend of road illumination data are intuitively displayed, the supervision departments and management staff are helped to know the state of illumination facilities, and decisions are made based on the data.
Step 106, integrating with other safety management systems to realize information sharing and linkage and improve the safety and efficiency of urban traffic;
in this embodiment, a specific description is provided of a security management module, where the security management module knows the type and content of data to be exchanged between a road lighting system and other security management systems, designs an API interface according to requirements to implement data exchange and communication between the systems, ensures that data between different systems can be mutually identified and understood, performs data format compatibility processing, establishes a secure and reliable network connection through a local area network, implements bidirectional exchange and sharing of data, sends failure alarm data in the road lighting system to other security management systems, implements timely response and linkage, performs testing and verification after integration is completed, ensures stability and reliability of an integration function, and checks accuracy and integrity of data exchange and linkage by simulating various scenes and conditions, and specifically includes the following:
s1, unifying data formats: unifying data formats between the road lighting system and other safety management systems, and selecting and using a universal JSON data format standard to ensure that the data formats can be identified and analyzed between the systems;
s2, API integration: the road lighting system and other safety management systems provide API interfaces, compatibility processing of data formats is realized by calling APIs, request and response data formats of the interfaces are known by referring to API documents, and corresponding data conversion and adaptation are performed;
s3, data verification and correction: in the data exchange process, strict data verification and correction are carried out, the types, the lengths and the formats of the fields are checked, and data which do not meet the requirements are corrected, so that the validity and the accuracy of the data are ensured.
The formula in the invention is a formula which is obtained by removing dimension and taking the numerical calculation, and is closest to the actual situation by acquiring a large amount of data and performing software simulation, and the preset proportionality coefficient in the formula is set by a person skilled in the art according to the actual situation or is obtained by simulating the large amount of data.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (1)

1. A system for managing the illumination engineering of a smart city road is characterized in that: the system comprises a real-time monitoring module, a region dividing module, a power supply module, a fault management module, a data management module and a safety management module;
and the real-time monitoring module is used for: through installing the sensor, measure the intensity data of light, handle gathering road lighting data, utilize wireless mode to be connected to monitoring system with the sensor, carry out real-time supervision to urban road lighting facility, set up the road lighting data that the data logger received the sensor and gather, handle the road lighting data who gathers, accurately transmit data to the data logger through wireless mode, sample according to fixed time interval, ensure data storage's security and reliability, concretely include the following:
and (3) data processing: comparing key fields, deleting repeated data, using an interpolation method, carrying out interpolation calculation on acquired data through linear interpolation, polynomial interpolation and spline interpolation methods, estimating the value of an unknown data point, and filling the value lacking in the fields, wherein the specific calculation formula is as follows:
，
where f (x) represents the value of the unknown data point to be estimated;a value representing a known data point; />Representing a lagrangian interpolation polynomial, n representing the number of known data points; the formula of the lagrangian interpolation polynomial is as follows:
，
i denotes the subscript of the known data point currently being calculated, j denotes the subscript of the other known data point, x denotes the abscissa of the other known data point, x i An abscissa representing a known data point currently being calculated;
for inconsistent data of the same entity in different fields and time points, performing logic checksum correction, performing rationality verification on the data, unifying and standardizing the data, ensuring the data compatibility and consistency among different data sources, recording the process and result of cleaning operation, establishing a data cleaning log, auditing the data cleaning result, and ensuring the reliability of the cleaned data quality;
the real-time monitoring module compares and analyzes illuminance data acquired in real time, establishes a normal variation range of illuminance according to historical data and real-time monitoring data, converts the data into standard normal distribution by using a statistical method, calculates the difference between each data point and the mean value, divides the difference by the standard deviation to obtain the fluctuation degree of illuminance, and the specific calculation formula is as follows:
，
wherein,indicating the fluctuation degree of illuminance; />Representing data points; />Representing the mean of the data points; />Representing standard deviation; />The range is considered normal within-2 to 2;
region dividing module: the division of the illumination areas is determined according to the types and the functions of the roads, the number of lamp poles and lamps is increased, a better illumination effect is provided, a driver is ensured to clearly see traffic signs and road conditions, and safety is improved;
and an electric power supply module: the underground cable is used for conveying electric power from the power grid to the lighting equipment, so that the influence of power interruption and fluctuation on the lighting equipment is reduced, the solar panel is used as a standby power supply source for power supply interruption, and a leakage protector and an overvoltage protector device are arranged to prevent electric shock accidents and fires;
and a fault management module: the intelligent sensor is arranged on the lamp, the state and the performance of the lamp are monitored, the abnormal condition of the whole area is monitored by comparing the data among the lamps, and the alarm information is sent to related maintenance personnel;
and a data management module: the monitoring data of the lighting facilities are stored and managed, the light intensity data of each day is displayed by using the line graph, the change and trend of the road lighting data are intuitively displayed, and the monitoring departments and management staff are helped to know the state of the lighting facilities;
and a safety management module: the network connection is established through the local area network, so that bidirectional exchange and sharing of data are realized, fault alarm data in the road lighting system are sent to other safety management systems, timely response and linkage are realized, and the safety and efficiency of urban traffic are improved.
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