CN112937352A - Operation monitoring management system of centralized charging station power supply system based on artificial intelligence - Google Patents
Operation monitoring management system of centralized charging station power supply system based on artificial intelligence Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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Abstract
The invention discloses an artificial intelligence-based operation monitoring and management system of a centralized charging station power supply system, which comprises a charging station charging pile statistical marking module, a charging pile charging display parameter acquisition module, a charging pile automatic power-off detection module, a charging pile charging environment parameter acquisition module, a power supply database, a charging pile charging efficiency statistical module, a parameter processing and analyzing module, a management cloud platform and an online display terminal, wherein the invention screens out a fault-displaying charging pile and a normal-displaying charging pile by normally detecting charging display data of each charging pile in a charging station, and further carries out charging display parameter acquisition, charging environment parameter acquisition and charging efficiency statistics on the normal-displaying charging pile respectively, so that the comprehensive charging quality coefficient corresponding to the normal charging pile is displayed by statistics, and the range of the operation monitoring index of the charging station power supply system is greatly expanded, the reliability of the monitoring result is improved, and the monitoring management level is effectively improved.
Description
Technical Field
The invention belongs to the technical field of charging station operation management, relates to a charging station power supply system operation management technology, and particularly relates to a centralized charging station power supply system operation monitoring management system based on artificial intelligence.
Background
Along with electric automobile's popularization, electric automobile charging station also appears in all kinds of public places gradually, because the mode that present charging station adopted unmanned on duty, charges by oneself mostly, when power supply trouble appears in the charging process again unmanned understanding simultaneously, can bring serious harm for electric automobile on the one hand, on the other hand can lead to the charging station can't continue to charge, the influence has the electric automobile of the demand of charging to charge, consequently, it is very necessary to monitor the management to the operation of the power supply system of charging station.
However, most of the existing power supply system operation monitoring and management means of the charging station only monitor charging parameters of charging piles in the charging station, such as charging voltage and charging current, the monitoring indexes are too single, and the influence of the charging environment and the charging efficiency of the charging piles in the charging process on the operation of the power supply system is not considered, for example, when the temperature of the charging environment is too high, a power supply line can be caused to be on fire; when the humidity of the charging environment is too high, short-circuit explosion of a power supply line can be caused; when the charge efficiency who fills electric pile is low excessively, can make and charge long extension, not only influence the life who fills electric pile, still influence the car owner's that charges simultaneously and experience and feel. These results in that the operation monitoring results of the charging station power supply system are one-sided and have low reliability, and cannot provide comprehensive and reliable management basis for the operation management of the power supply system, so that the management level of the operation monitoring management means of the current charging station power supply system is low, and the comprehensive operation management requirements on the charging station power supply system cannot be met.
Disclosure of Invention
In order to overcome the defects, the invention provides the operation monitoring and management system of the centralized charging station power supply system based on artificial intelligence, wherein the charging display data normal detection is carried out on each charging pile in the charging station, the charging pile with the display fault and the charging pile with the display normal are selected from the charging pile, the charging display parameter acquisition, the charging environment parameter acquisition and the charging efficiency statistics are further carried out on the selected charging pile with the display normal, the comprehensive charging quality coefficient corresponding to the normal charging pile is displayed through the statistics, and comprehensive and reliable management basis is provided for the subsequent power supply operation management corresponding to each charging pile with the display normal charging.
The purpose of the invention can be realized by the following technical scheme:
a centralized charging station power supply system operation monitoring management system based on artificial intelligence comprises a charging station charging pile statistic marking module, a charging pile charging display parameter acquisition module, a charging pile charging environment parameter acquisition module, a power supply database, a charging pile charging efficiency statistic module, a parameter processing analysis module, a management cloud platform and an online display terminal;
the charging station charging pile counting and marking module is used for counting the number of charging piles in the charging station, numbering the counted charging piles according to a preset sequence, and marking the counted charging piles as 1,2, a.
The charging pile charging display parameter acquisition module comprises a plurality of cameras which are respectively installed on the charging piles and used for acquiring charging display screen display images of the charging piles in the charging process and checking whether display data appear in the acquired charging display screen display images of the charging piles, if the display data do not appear in the charging display screen display images of a certain charging pile, the charging pile indicates that a fault exists on the charging display screen of the charging pile, the charging pile is marked as a charging pile with a display fault, the number of the charging pile with the display fault is recorded and sent to an online display terminal, if the display data appear in the charging display screen display images of the certain charging pile, the charging display screen display of the charging pile is normal, the charging pile is marked as a charging pile with a normal display, the number corresponding to each normal display is recorded, and the number corresponding to each normal charging pile can be marked as 1,2, j, m, and then extracting charging voltage and charging current from a charging display screen display image corresponding to the normal charging pile to form a charging display parameter set G for displaying the normal charging pilew(gw1,gw2,...,gwj,...,gwm)，gwj is a numerical value corresponding to the jth charging display parameter for displaying the normal charging pile, w is a charging display parameter, w is f1, f2 are respectively represented as charging voltage and charging current, and the charging pile charging display parameter acquisition module sends a number corresponding to each displayed normal charging pile and a set of displaying normal charging pile charging display parameters to the parameter processing and analyzing module;
the charging pile charging environment parameter acquisition module comprises a plurality of charging environment parameter acquisition terminals for respectively acquiring charging environment parameters of the normally charging piles in the charging process and forming a charging environment parameter set P for displaying the charging environment parameters in the normally charging pile charging processr(pr1,pr2,...,prj,...,prm)，prj is a value corresponding to the jth charging environment parameter showing the charging process of the normal charging pile, r is a charging environment parameter, r is e1, e2 and e3 which are respectively shown as temperature, humidity and dust concentration, and the charging pile charging environment parameter collection module sends a charging environment parameter set showing the charging process of the normal charging pile to the parameter processing and analyzing module;
the charging efficiency statistical module of the charging pile is used for counting the average charging efficiency of each normally-displayed charging pile in a predefined time period, and the specific statistical method comprises the following steps:
s1, counting the charging times corresponding to the displayed normal charging piles in a predefined time period, recording the charging starting time points corresponding to each charging, numbering the charging times corresponding to the displayed normal charging piles according to the sequence of the charging starting time points, and sequentially marking the charging times as 1,2, a.
S2, respectively obtaining the charging current and the charging time length corresponding to each charging of each display normal charging pile, simultaneously obtaining the discharging current and the discharging time to the cut-off voltage of the storage battery of the electric automobile corresponding to each charging of each display normal charging pile, and forming a parameter set Q for each display normal charging pile charging efficiencyu j(qu j1,qu j2,...,qu jk,...,qu jt)，qu jk is a numerical value corresponding to the jth charging efficiency parameter showing the kth charging of the normal charging pile, u is a charging efficiency parameter, and u is x1, x2, x3 and x4 which are respectively represented as charging current, charging time, storage battery discharging current and time for the storage battery to discharge to cutoff voltage;
s3, counting the charging efficiency of each normally displayed charging pile corresponding to each charging in a predefined time period according to each normally displayed charging pile charging efficiency parameter set;
s4, counting the average charging efficiency of each normally displayed charging pile in the predefined time period according to the charging efficiency corresponding to each charging of each normally displayed charging pile in the predefined time period, and sending the average charging efficiency to the parameter processing and analyzing module;
the power supply database is used for storing rated charging voltage and rated charging current corresponding to each charging pile, storing standard numerical value ranges corresponding to various charging environment parameters of the charging piles and storing standard charging efficiency corresponding to each charging pile;
the parameter processing and analyzing module receives the numbers which are sent by the charging pile charging display parameter acquisition module and correspond to the normally-displayed charging piles and displays a normal charging pile charging display parameter set, extracts the rated charging voltage and the rated charging current which correspond to the charging piles in the power supply database, screens out the rated charging voltage and the rated charging current which correspond to the normally-displayed charging piles from the rated charging voltage and the rated charging current which correspond to the charging piles according to the received numbers which correspond to the normally-displayed charging piles, compares the rated charging voltage and the rated charging current which correspond to the normally-displayed charging pile charging display parameter set and the normally-displayed charging piles, and obtains a normal charging pile charging display parameter comparison set delta Gw(Δgw1,Δgw2,...,Δgwj,...,Δgwm), counting the charging danger coefficients corresponding to the displayed normal charging piles according to the displayed normal charging pile charging display parameter comparison set, and sending the charging danger coefficients to the management cloud platform;
the parameter processing and analyzing module receives the charging environment parameter set which is sent by the charging environment parameter collecting module and displays the charging process of the normal charging pile, and comparing the standard value range with the standard value range corresponding to various charging environment parameters of the charging pile in the power supply database, if a certain charging environment parameter showing that the normal charging pile is in the charging process is not in the standard value range corresponding to the charging environment parameter, the charging environment parameter is abnormal, at the moment, the times of the abnormal charging environment parameter of each normal charging pile in the charging process are counted and displayed, and numbering the counted times of the charging environment parameters of the normal charging pile in the charging process according to the time sequence of the abnormality, wherein the times are marked as 1,2, a, z, and the times are counted to be normal.Charging pile charging environment parameter abnormal coefficient corresponding to each charging environment parameter in charging process, and further forming each abnormal coefficient set displaying normal charging pile charging environment parameter
The abnormal coefficient is represented as an abnormal coefficient corresponding to the abnormality appearing at the a-th time of the charging environment parameter of the jth normally-displayed charging pile in the charging process, r is represented as the charging environment parameter, and the parameter processing and analyzing module counts the charging environment danger coefficient of each normally-displayed charging pile in the charging process according to the abnormal coefficient set of the charging environment parameter of each normally-displayed charging pile and sends the charging environment danger coefficient to the management cloud platform;
the parameter processing and analyzing module receives the average charging efficiency of each displayed normal charging pile in a predefined time period, which is sent by the charging pile charging efficiency counting module, extracts the standard charging efficiency corresponding to each displayed normal charging pile from the power supply database according to the number corresponding to each displayed normal charging pile, compares the average charging efficiency of each displayed normal charging pile in the predefined time period with the standard charging efficiency corresponding to the charging pile, counts the charging efficiency quality coefficient corresponding to each displayed normal charging pile, and sends the charging efficiency quality coefficient to the management cloud platform;
the management cloud platform receives the charging danger coefficients corresponding to all the display normal charging piles, the charging environment danger coefficients of all the display normal charging piles in the charging process and the charging efficiency quality coefficients corresponding to all the display normal charging piles, which are sent by the parameter processing and analyzing module, so that the comprehensive charging quality coefficients corresponding to all the display normal charging piles are counted and sent to the online display terminal;
and the online display terminal receives the display fault charging pile number sent by the charging pile charging display parameter acquisition module, and receives comprehensive charging quality coefficients corresponding to the normally charging piles and sent by the management cloud platform, and then displays the comprehensive charging quality coefficients.
More specifically, charging environment parameter acquisition terminal includes temperature sensor, humidity transducer and dust concentration sensor, and wherein temperature sensor is used for gathering each temperature of filling electric pile in the charging process, and humidity transducer is used for gathering each humidity of filling electric pile in the charging process, and dust concentration sensor is used for gathering each dust concentration of filling electric pile in the charging process.
More specifically, the calculation formula for each charging efficiency showing the charging efficiency of the normal charging pile in each charging in the predefined time period is
In the formula etajk represents the charging efficiency of the jth display normal charging pile corresponding to the kth charging in the predefined time period, qx1 jk、qx2 jk、qx3 jk、qx4 jAnd k is respectively expressed as the charging current, the charging time length, the discharging current of the storage battery and the time from the discharge of the storage battery to the cut-off voltage of the jth display normal charging pile in the predefined time period.
More specifically, the calculation formula for each display normal charging pile for the average charging efficiency in the predefined time period is
In the formula
The j-th display shows the average charging efficiency of the normal charging pile in a predefined time period.
More specifically, the calculation formula of the charging risk coefficients corresponding to the normal charging piles is shown as
λjThe j th charge risk coefficient, deltag, corresponding to the normal charging pile is displayedf1j、Δgf2j is respectively represented as the comparative difference value g 'between the charging voltage and the charging current of the jth display normal charging pile and the rated charging voltage and the rated charging current of the display normal charging pile'f1j、g′f2j is respectively expressed as the jth rated charging voltage and rated charging voltage for displaying normal charging pileAn electrical current.
More specifically, the calculation formula of the abnormal coefficient corresponding to each abnormal charging environment parameter during the charging process of each normally charged pile is shown as
In the formula prja represents a j-th numerical value which shows that the charging environment parameter of the normal charging pile is abnormal for the a-th time in the charging process, and pr is on、pr is belowRespectively expressed as a standard upper limit value and a standard lower limit value in a standard numerical range corresponding to the charging environment parameter.
More specifically, the calculation formula of the charging environment risk coefficients of the normal charging piles in the charging process is shown as
In the formula sigmajThe j-th charging environment danger coefficient of the charging pile in the charging process is displayed,
and the abnormal coefficients corresponding to the abnormality of the jth display normal charging pile at the temperature, the humidity and the dust concentration in the charging process at the a-th time are respectively expressed.
More specifically, the calculation formula of the charging efficiency quality coefficients corresponding to the normal charging piles is shown as
Middle X typejIs represented as j'jAnd displaying the standard charging efficiency corresponding to the normal charging pile for the jth display.
More specifically, the calculation formula of the comprehensive charging quality coefficient corresponding to each display normal charging pile is
Xi in the formulajAnd the j-th comprehensive charging quality coefficient corresponding to the normal charging pile is displayed.
More specifically, still including filling electric pile auto-power-off detection module, this module includes a plurality of current tester, it installs respectively and fills the first position department that charges that electric pile corresponds, be used for after each fills electric pile and charges, detect the current value that each fills electric pile corresponds the head that charges, and judge whether the current value that detects is zero, if some fills electric pile and corresponds the current value that charges the head and is not zero, indicate that this fills electric pile does not auto-power-off, should fill electric pile and mark into to fill electric pile not auto-power-off, the number that the electric pile corresponds is filled in the statistics not auto-power-off this moment, and send it to online.
The invention has the following beneficial effects:
(1) according to the charging method and the charging system, charging display data normal detection is carried out on each charging pile in the charging station, the charging pile with the display fault and the charging pile with the display normal are screened out, the number corresponding to the screened charging pile with the display fault is displayed on the online display terminal, a backstage maintenance manager can know the number in time conveniently, the processing timeliness is improved for fault processing of the charging pile with the display fault in the later period, the time for the charging pile with the display fault to recover to the normal state is shortened, and the influence on normal use of the charging pile caused by long-time fault display unprocessed is avoided.
(2) The invention respectively carries out charging display parameter acquisition, charging environment parameter acquisition and charging efficiency statistics on the screened normal charging piles, respectively counts and displays the charging danger coefficient, the charging environment danger coefficient and the charging efficiency quality coefficient corresponding to the normal charging piles, and then calculates and displays the comprehensive charging quality coefficient corresponding to the normal charging piles by combining the coefficients, thereby realizing the comprehensive operation monitoring management of the charging station power supply system, greatly expanding the range of the operation monitoring indexes of the charging station power supply system, improving the reliability of the monitoring results, fully making up the defects of single monitoring index, one-sided monitoring results and reliability existing in the current operation monitoring management means of the charging station power supply system, and providing a comprehensive reliable management basis for the subsequent power supply operation management of each normally corresponding charging pile, and then effectively promoted the management level, also strengthened the charging experience of charging the car owner simultaneously and felt.
(3) According to the invention, through arranging the charging pile automatic power-off detection module, the charging pile after charging is automatically powered off and detected, and the serial number corresponding to the charging pile which is not automatically powered off is selected from the serial number, so that the serial number is displayed on the online display terminal, a background maintenance manager can conveniently know the serial number in time, and can conveniently perform targeted power-off management, thereby avoiding the damage to the storage battery of the electric automobile caused by long-time non-automatic power-off, ensuring the safety of the storage battery in the charging process and prolonging the service life of the storage battery.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic diagram of the module connection of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a centralized charging station power supply system operation monitoring management system based on artificial intelligence, including charging station charging pile statistics marking module, charging pile charging display parameter acquisition module, charging pile automatic power-off detection module, charging pile charging environment parameter acquisition module, power supply database, charging pile charging efficiency statistics module, parameter processing analysis module, management cloud platform and online display terminal, wherein charging station charging pile statistics marking module is connected with charging pile charging display parameter acquisition module and charging pile automatic power-off detection module respectively, charging pile charging display parameter acquisition module, charging pile charging environment parameter acquisition module and charging pile charging efficiency statistics module are connected with parameter processing analysis module, parameter processing analysis module is connected with management cloud platform, charging pile charging display parameter acquisition module, charging pile charging efficiency statistics module, Fill electric pile auto-power-off detection module and management cloud platform and all be connected with online display terminal.
Charging station fills electric pile statistics mark module and is used for making statistics of the electric pile quantity that fills that exists in the charging station to each fills electric pile to make a number according to predetermined order to the statistics, marks in proper order and is 1, 2.
The charging pile charging display parameter acquisition module comprises a plurality of cameras which are respectively installed on each charging pile and used for acquiring a charging display screen display image of each charging pile in the charging process, checking whether display data appear in the acquired charging display screen display image of each charging pile, indicating that a charging display screen of the charging pile has a display fault if the display data do not appear in the charging display screen display image of a certain charging pile, recording the charging pile with the display fault, recording the number of the charging pile with the display fault at the moment, sending the number to an online display terminal, indicating that the charging display screen of the charging pile is normally displayed if the display data appear in the charging display screen display image of a certain charging pile, recording the charging pile with the display normal charging pile, recording the number corresponding to each display normal charging pile at the moment, and recording the number corresponding to each display normal charging pile as 1,2, j, m, and then extracting charging voltage and charging current from a charging display screen display image corresponding to the normal charging pile to form a charging display parameter set G for displaying the normal charging pilew(gw1,gw2,...,gwj,...,gwm)，gwj represents a value corresponding to the j-th charging display parameter for displaying the normal charging pile, w represents a charging display parameter, w is f1, f2 represents charging voltage and charging current respectively, and the charging pile charging display parameter acquisition module sends a number corresponding to each normally-displayed charging pile and a normal charging pile charging display parameter set to the parameter processing and analysis module.
This embodiment is through filling each electric pile in the charging station and carrying out the normal detection of display data that charges, from it selects the demonstration trouble and fills electric pile and show normally to fill electric pile, and then the demonstration trouble that will select fills electric pile corresponding serial number and shows on online display terminal, the backstage maintenance managers of being convenient for in time know, carry out fault handling to the demonstration trouble and fill electric pile for the later stage and improve the timeliness of handling, and then accelerated the demonstration trouble and filled electric pile and recovered normal time, avoid long-time demonstration trouble unprocessed normal use that leads to the influence to fill electric pile, the demonstration normal charging pile who selects simultaneously is for charging at the back and shows parameter acquisition, charging environment parameter acquisition and charging efficiency statistics provide the foreshadowing.
Fill electric pile auto-power-off detection module and include a plurality of current tester, it installs respectively and fills the first position department that charges that electric pile corresponds, be used for after each fills electric pile and charges, detect the current value that each fills electric pile corresponds the head that charges, and judge whether the current value that detects is zero, if certain electric pile corresponds the current value that charges the head and is not zero, indicate that should fill electric pile not auto-power-off, should fill electric pile and mark as not auto-power-off and fill electric pile, the number that the electric pile corresponds is filled in the statistics of not auto-power-off this moment, and send it to online display.
This embodiment is through setting up the automatic outage detection module of electric pile, carry out the automatic power-off detection to the electric pile that fills after charging, and select therefrom not the serial number that the electric pile corresponds of automatic power-off, and then show it on online display terminal, the backstage maintenance and management personnel of being convenient for in time know, make things convenient for it to carry out the pertinence outage management, avoid long-time not the injury that the automatic power-off caused to the electric automobile battery, the security of battery in charging process has been ensured, battery life has been improved.
Fill electric pile environmental parameter collection module that charges includes a plurality of environmental parameter collection terminals that charge for gather respectively and show that normally to fill the electric pile environmental parameter that charges in charging process, environmental parameter collection terminal that charges includes temperature sensor, humidity transducer and dust concentration sensor, and wherein temperature sensor is used for gathering the temperature of respectively filling electric pile in charging process, and humidity transducer is used for gathering the humidity of respectively filling electric pile in charging process, and dust concentration sensor is used for gathering the powder of respectively filling electric pile in charging processDust concentration, and forming a charging environment parameter set P for displaying the normal charging process of the charging piler(pr1,pr2,...,prj,...,prm)，prj represents the j-th numerical value corresponding to the charging environment parameter showing that the normal charging pile is in the charging process, r represents the charging environment parameter, r is e1, e2 and e3 which respectively represent the temperature, the humidity and the dust concentration, and the charging pile charging environment parameter acquisition module sends the charging environment parameter set showing that the normal charging pile is in the charging process to the parameter processing and analyzing module.
The charging efficiency statistical module of the charging pile is used for counting the average charging efficiency of each normally-displayed charging pile in a predefined time period, and the specific statistical method comprises the following steps:
s1, counting the charging times corresponding to the displayed normal charging piles in a predefined time period, recording the charging starting time points corresponding to each charging, numbering the charging times corresponding to the displayed normal charging piles according to the sequence of the charging starting time points, and sequentially marking the charging times as 1,2, a.
S2, respectively obtaining the charging current and the charging time length corresponding to each charging of each display normal charging pile, simultaneously obtaining the discharging current and the discharging to cut-off voltage time of the storage battery of the electric automobile corresponding to each charging of each display normal charging pile, and forming a parameter set Q for each display normal charging pile charging efficiencyu j(qu j1,qu j2,...,qu jk,...,qu jt)，qu jk is a numerical value corresponding to the jth charging efficiency parameter showing the kth charging of the normal charging pile, u is a charging efficiency parameter, and u is x1, x2, x3 and x4 which are respectively represented as charging current, charging time, storage battery discharging current and time for the storage battery to discharge to cutoff voltage;
s3, according to the parameter sets of the charging efficiency of each displayed normal charging pile, counting the charging efficiency corresponding to each charging of each displayed normal charging pile in the predefined time period
In the formula etajk represents the charging efficiency of the jth display normal charging pile corresponding to the kth charging in the predefined time period, qx1 jk、qx2 jk、qx3 jk、qx4 jk is respectively expressed as the charging current, the charging time, the discharging current of the storage battery and the time from the discharge of the storage battery to the cut-off voltage of the jth display normal charging pile in the predefined time period;
s4, according to the charging efficiency corresponding to each charging of each normally-displayed charging pile in the predefined time period, counting the average charging efficiency of each normally-displayed charging pile in the predefined time period
In the formula
And the j-th display shows the average charging efficiency of the normal charging pile in a predefined time period, and sends the average charging efficiency to the parameter processing and analyzing module.
The power supply database is used for storing the rated charging voltage and the rated charging current corresponding to each charging pile, storing the standard numerical value range corresponding to various charging environment parameters of the charging pile and storing the standard charging efficiency corresponding to each charging pile.
The parameter processing and analyzing module receives the numbers which are sent by the charging pile charging display parameter acquisition module and correspond to the normally-displayed charging piles and displays a normal charging pile charging display parameter set, extracts the rated charging voltage and the rated charging current which correspond to the charging piles in the power supply database, screens out the rated charging voltage and the rated charging current which correspond to the normally-displayed charging piles from the rated charging voltage and the rated charging current which correspond to the charging piles according to the received numbers which correspond to the normally-displayed charging piles, compares the rated charging voltage and the rated charging current which correspond to the normally-displayed charging pile charging display parameter set and the normally-displayed charging piles, and obtains a normal charging pile charging display parameter comparison set delta Gw(Δgw1,Δgw2,...,Δgwj,...,Δgwm) to count the charging danger coefficients corresponding to the normally charging piles according to the comparison set of the charging display parameters of the normally charging piles
λjThe j th charge risk coefficient, deltag, corresponding to the normal charging pile is displayedf1j、Δgf2j is respectively represented as the comparative difference value g 'between the charging voltage and the charging current of the jth display normal charging pile and the rated charging voltage and the rated charging current of the display normal charging pile'f1j、g′f2j is respectively expressed as the jth rated charging voltage and the jth rated charging current for displaying the normal charging pile, and the jth rated charging voltage and the jth rated charging current are sent to the management cloud platform.
The parameter processing and analyzing module receives the charging environment parameter set which is sent by the charging environment parameter collecting module and displays the charging process of the normal charging pile, and comparing the standard value range with the standard value range corresponding to various charging environment parameters of the charging pile in the power supply database, if a certain charging environment parameter showing that the normal charging pile is in the charging process is not in the standard value range corresponding to the charging environment parameter, the charging environment parameter is abnormal, at the moment, the times of the abnormal charging environment parameter of each normal charging pile in the charging process are counted and displayed, and numbering the counted times of the abnormal charging environmental parameters of the normal charging piles in the charging process according to the time sequence of the abnormal charging environmental parameters, wherein the times are respectively marked as 1,2, a, z, and analyzing abnormal coefficients which respectively show that the charging environment parameters of the normal charging pile are abnormal and correspond every time in the charging process.
In the formula prja represents a j-th numerical value which shows that the charging environment parameter of the normal charging pile is abnormal for the a-th time in the charging process, and pr is on、pr is belowRespectively representing the standard upper limit value and the standard lower limit value in the standard numerical range corresponding to the charging environment parameter, thereby displaying the normal chargingAbnormal coefficients corresponding to the abnormal charging environment parameters of the electric pile in the charging process form abnormal coefficient sets for displaying the charging environment parameters of the normal charging pile
The abnormal coefficient is represented as the abnormal coefficient corresponding to the abnormality appearing at the a-th time of the charging environment parameter of the jth normally charging pile in the charging process, r is represented as the charging environment parameter, and the parameter processing and analyzing module counts the charging environment danger coefficient of each normally charging pile in the charging process according to each abnormal coefficient set for displaying the charging environment parameter of the normally charging pile
In the formula sigmajThe j-th charging environment danger coefficient of the charging pile in the charging process is displayed,
and respectively displaying abnormal coefficients corresponding to the temperature, humidity and dust concentration abnormality of the normal charging pile in the charging process for the jth time, and sending the abnormal coefficients to the management cloud platform.
The parameter processing and analyzing module receives the average charging efficiency of each normally-displayed charging pile in a predefined time period sent by the charging pile charging efficiency counting module, extracts the standard charging efficiency corresponding to each normally-displayed charging pile from the power supply database according to the number corresponding to each normally-displayed charging pile, compares the average charging efficiency of each normally-displayed charging pile in the predefined time period with the standard charging efficiency corresponding to the charging pile, and counts the charging efficiency quality coefficient corresponding to each normally-displayed charging pile
Middle X typejIs represented as j'jIs expressed as the j display positiveAnd the standard charging efficiency corresponding to the common charging pile is sent to the management cloud platform.
The management cloud platform receives the charging danger coefficients corresponding to the normally-charged piles, the charging environment danger coefficients corresponding to the normally-charged piles and the charging efficiency quality coefficients corresponding to the normally-charged piles, which are sent by the parameter processing and analyzing module, and counts comprehensive charging quality coefficients corresponding to the normally-charged piles
Xi in the formulajAnd displaying the comprehensive charging quality coefficient corresponding to the normal charging pile for the jth charging pile, and sending the comprehensive charging quality coefficient to the online display terminal.
In the embodiment, the selected normal charging piles are respectively subjected to charging display parameter acquisition, charging environment parameter acquisition and charging efficiency statistics, so that charging danger coefficients, charging environment danger coefficients and charging efficiency quality coefficients corresponding to the normal charging piles are respectively counted and displayed, and comprehensive charging quality coefficients corresponding to the normal charging piles are calculated and displayed by combining the coefficients, so that comprehensive operation monitoring management of the charging station power supply system is realized, the range of operation monitoring indexes of the charging station power supply system is greatly expanded, the reliability of monitoring results is improved, the defects of single monitoring index, one-sided monitoring result and insufficient reliability existing in the current charging station power supply system operation monitoring management means are fully compensated, and the comprehensive charging quality coefficient with low statistics provides a comprehensive and reliable management basis for the subsequent power supply operation management corresponding to each displayed normal charging pile, and then effectively promoted the management level, also strengthened the charging experience of charging the car owner simultaneously and felt.
The online display terminal receives a display fault charging pile number sent by the charging pile charging display parameter acquisition module, receives a number corresponding to a non-automatic power-off charging pile sent by the charging pile automatic power-off detection module, and receives comprehensive charging quality coefficients corresponding to various display normal charging piles sent by the management cloud platform, so that the comprehensive charging quality coefficients are displayed.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (10)
1. The utility model provides a centralized charging station power supply system operation monitoring management system based on artificial intelligence which characterized in that: the charging station charging pile statistical marking system comprises a charging station charging pile statistical marking module, a charging pile charging display parameter acquisition module, a charging pile charging environment parameter acquisition module, a power supply database, a charging pile charging efficiency statistical module, a parameter processing and analyzing module, a management cloud platform and an online display terminal;
the charging station charging pile counting and marking module is used for counting the number of charging piles in the charging station, numbering the counted charging piles according to a preset sequence, and marking the counted charging piles as 1,2, a.
The charging pile charging display parameter acquisition module comprises a plurality of cameras which are respectively installed on the charging piles and used for acquiring charging display screen display images of the charging piles in the charging process and checking whether display data appear in the acquired charging display screen display images of the charging piles, if the display data do not appear in the charging display screen display images of a certain charging pile, the charging pile indicates that a fault exists on the charging display screen of the charging pile, the charging pile is marked as a charging pile with a display fault, the number of the charging pile with the display fault is recorded and sent to an online display terminal, if the display data appear in the charging display screen display images of the certain charging pile, the charging display screen display of the charging pile is normal, the charging pile is marked as a charging pile with a normal display, the number corresponding to each normal display is recorded, and the number corresponding to each normal charging pile can be marked as 1,2, j, m, and then extracting charging voltage and charging current from a charging display screen display image corresponding to the normal charging pile to form a charging display parameter set G for displaying the normal charging pilew(gw1,gw2,...,gwj,...,gwm)，gwj is expressed as the jth display positiveThe charging display parameter acquisition module of the charging pile sends a number corresponding to each normal charging pile and a display parameter set for displaying the normal charging pile to the parameter processing and analyzing module;
the charging pile charging environment parameter acquisition module comprises a plurality of charging environment parameter acquisition terminals for respectively acquiring charging environment parameters of the normally charging piles in the charging process and forming a charging environment parameter set P for displaying the charging environment parameters in the normally charging pile charging processr(pr1,pr2,...,prj,...,prm)，prj is a value corresponding to the jth charging environment parameter showing the charging process of the normal charging pile, r is a charging environment parameter, r is e1, e2 and e3 which are respectively shown as temperature, humidity and dust concentration, and the charging pile charging environment parameter collection module sends a charging environment parameter set showing the charging process of the normal charging pile to the parameter processing and analyzing module;
the charging efficiency statistical module of the charging pile is used for counting the average charging efficiency of each normally-displayed charging pile in a predefined time period, and the specific statistical method comprises the following steps:
s1, counting the charging times corresponding to the displayed normal charging piles in a predefined time period, recording the charging starting time points corresponding to each charging, numbering the charging times corresponding to the displayed normal charging piles according to the sequence of the charging starting time points, and sequentially marking the charging times as 1,2, a.
S2, respectively obtaining the charging current and the charging time length corresponding to each charging of each display normal charging pile, simultaneously obtaining the discharging current and the discharging time to the cut-off voltage of the storage battery of the electric automobile corresponding to each charging of each display normal charging pile, and forming a parameter set Q for each display normal charging pile charging efficiencyu j(qu j1,qu j2,...,qu jk,...,qu jt)，qu jk is the jth that shows the normal charging pileThe values corresponding to the charge efficiency parameters of the k times of charging, wherein u is a charge efficiency parameter, and u is x1, x2, x3 and x4 which are respectively represented as a charging current, a charging time length, a storage battery discharging current and a time for the storage battery to discharge to a cut-off voltage;
s3, counting the charging efficiency of each normally displayed charging pile corresponding to each charging in a predefined time period according to each normally displayed charging pile charging efficiency parameter set;
s4, counting the average charging efficiency of each normally displayed charging pile in the predefined time period according to the charging efficiency corresponding to each charging of each normally displayed charging pile in the predefined time period, and sending the average charging efficiency to the parameter processing and analyzing module;
the power supply database is used for storing rated charging voltage and rated charging current corresponding to each charging pile, storing standard numerical value ranges corresponding to various charging environment parameters of the charging piles and storing standard charging efficiency corresponding to each charging pile;
the parameter processing and analyzing module receives the numbers which are sent by the charging pile charging display parameter acquisition module and correspond to the normally-displayed charging piles and displays a normal charging pile charging display parameter set, extracts the rated charging voltage and the rated charging current which correspond to the charging piles in the power supply database, screens out the rated charging voltage and the rated charging current which correspond to the normally-displayed charging piles from the rated charging voltage and the rated charging current which correspond to the charging piles according to the received numbers which correspond to the normally-displayed charging piles, compares the rated charging voltage and the rated charging current which correspond to the normally-displayed charging pile charging display parameter set and the normally-displayed charging piles, and obtains a normal charging pile charging display parameter comparison set delta Gw(Δgw1,Δgw2,...,Δgwj,...,Δgwm), counting the charging danger coefficients corresponding to the displayed normal charging piles according to the displayed normal charging pile charging display parameter comparison set, and sending the charging danger coefficients to the management cloud platform;
the parameter processing and analyzing module receives the charging environment parameter set which is sent by the charging environment parameter acquisition module and is used for displaying the charging process of the normal charging pile, and the parameter set is used for providing power for the charging environment parameter setComparing the standard value ranges corresponding to various charging environment parameters of the charging piles in the electric database, if a certain charging environment parameter showing that the normal charging pile is in the standard value range corresponding to the charging environment parameter, the charging environment parameter is abnormal, at the moment, the times of the abnormal charging environment parameter of each normal charging pile in the charging process are counted and displayed, and numbering the counted times of the abnormal charging environmental parameters of the normal charging piles in the charging process according to the time sequence of the abnormal charging environmental parameters, wherein the times are respectively marked as 1,2, a, z, and simultaneously counting abnormal coefficients corresponding to the abnormal charging environment parameters of each normally-displayed charging pile in the charging process every time, and forming an abnormal coefficient set for each normally-displayed charging pile charging environment parameter.
The abnormal coefficient is represented as an abnormal coefficient corresponding to the abnormality appearing at the a-th time of the charging environment parameter of the jth normally-displayed charging pile in the charging process, r is represented as the charging environment parameter, and the parameter processing and analyzing module counts the charging environment danger coefficient of each normally-displayed charging pile in the charging process according to the abnormal coefficient set of the charging environment parameter of each normally-displayed charging pile and sends the charging environment danger coefficient to the management cloud platform;
the parameter processing and analyzing module receives the average charging efficiency of each displayed normal charging pile in a predefined time period, which is sent by the charging pile charging efficiency counting module, extracts the standard charging efficiency corresponding to each displayed normal charging pile from the power supply database according to the number corresponding to each displayed normal charging pile, compares the average charging efficiency of each displayed normal charging pile in the predefined time period with the standard charging efficiency corresponding to the charging pile, counts the charging efficiency quality coefficient corresponding to each displayed normal charging pile, and sends the charging efficiency quality coefficient to the management cloud platform;
the management cloud platform receives the charging danger coefficients corresponding to all the display normal charging piles, the charging environment danger coefficients of all the display normal charging piles in the charging process and the charging efficiency quality coefficients corresponding to all the display normal charging piles, which are sent by the parameter processing and analyzing module, so that the comprehensive charging quality coefficients corresponding to all the display normal charging piles are counted and sent to the online display terminal;
and the online display terminal receives the display fault charging pile number sent by the charging pile charging display parameter acquisition module, and receives comprehensive charging quality coefficients corresponding to the normally charging piles and sent by the management cloud platform, and then displays the comprehensive charging quality coefficients.
2. The system of claim 1, wherein the system comprises: the charging environment parameter acquisition terminal comprises a temperature sensor, a humidity sensor and a dust concentration sensor, wherein the temperature sensor is used for acquiring the temperature of each charging pile in the charging process, the humidity sensor is used for acquiring the humidity of each charging pile in the charging process, and the dust concentration sensor is used for acquiring the dust concentration of each charging pile in the charging process.
3. The system of claim 1, wherein the system comprises: each calculation formula for displaying the charging efficiency corresponding to each charging of the normal charging pile in the predefined time period is
In the formula etajk represents the charging efficiency of the jth display normal charging pile corresponding to the kth charging in the predefined time period, qx1 jk、qx2 jk、qx3 jk、qx4 jAnd k is respectively expressed as the charging current, the charging time length, the discharging current of the storage battery and the time from the discharge of the storage battery to the cut-off voltage of the jth display normal charging pile in the predefined time period.
4. The system of claim 1, wherein the system comprises: the calculation formula for displaying the average charging efficiency of the normal charging pile in the predefined time period is
In the formula
The j-th display shows the average charging efficiency of the normal charging pile in a predefined time period.
5. The system of claim 1, wherein the system comprises: the calculation formula of the charging danger coefficients corresponding to the normally charged piles is shown as
λjThe j th charge risk coefficient, deltag, corresponding to the normal charging pile is displayedf1j、Δgf2j is respectively represented as the comparative difference value g 'between the charging voltage and the charging current of the jth display normal charging pile and the rated charging voltage and the rated charging current of the display normal charging pile'f1j、g′f2j is respectively expressed as the jth rated charging voltage and the rated charging current for displaying the normal charging pile.
6. The system of claim 1, wherein the system comprises: the calculation formula of each abnormal coefficient which shows that each charging environment parameter of the normal charging pile is abnormal every time in the charging process is as follows
In the formula prja represents that the j shows the charging environment of the normal charging pile in the charging processThe value, p, corresponding to the a-th occurrence of an anomaly in the parameterr is on、pr is belowRespectively expressed as a standard upper limit value and a standard lower limit value in a standard numerical range corresponding to the charging environment parameter.
7. The system of claim 1, wherein the system comprises: the calculation formula of the charging environment danger coefficients of the normal charging piles in the charging process is shown as
In the formula sigmajThe j-th charging environment danger coefficient of the charging pile in the charging process is displayed,
and the abnormal coefficients corresponding to the abnormality of the jth display normal charging pile at the temperature, the humidity and the dust concentration in the charging process at the a-th time are respectively expressed.
8. The system of claim 1, wherein the system comprises: the calculation formula of the charging efficiency quality coefficient corresponding to each display normal charging pile is
Middle X typejIs represented as j'jAnd displaying the standard charging efficiency corresponding to the normal charging pile for the jth display.
9. The system of claim 1, wherein the system comprises: the calculation formula of the comprehensive charging quality coefficient corresponding to each display normal charging pile is
Xi in the formulajAnd the j-th comprehensive charging quality coefficient corresponding to the normal charging pile is displayed.
10. The system of claim 1, wherein the system comprises: still including filling electric pile auto-power-off detection module, this module includes a plurality of current tester, it installs respectively and fills the first position department that charges that electric pile corresponds, be used for after each fills electric pile charging, detect the current value that each fills electric pile corresponds the head that charges, and judge whether the current value that detects is zero, if some fills electric pile and corresponds the current value that charges the head and be nonzero, it does not automatically cut off the power supply to show this electric pile of should filling, this electric pile of should filling is marked as the electric pile that does not automatically cut off the power supply, the number that electric pile corresponds is filled in the automatic power supply that does not make statistics of this.
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