CN117382468A - Charging pile operation control system based on edge calculation - Google Patents
Charging pile operation control system based on edge calculation Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims abstract description 101
- 238000012423 maintenance Methods 0.000 claims abstract description 24
- 238000011282 treatment Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 25
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims 1
- 238000012502 risk assessment Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Classifications
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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
- B60L53/302—Cooling of charging equipment
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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
-
- 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
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
-
- 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
Abstract
The invention discloses a charging pile operation control system based on edge calculation, which relates to the technical field of charging pile operation and is used for solving the problem that a charging pile in the prior art is usually subjected to passive maintenance after failure, and comprises a terminal monitoring module, an operation environment monitoring module, a data multidimensional comparison module, an equipment self-checking module and a processor; the invention monitors and compares the operation voltage and the operation temperature of the charging pile so as to ensure the use safety of the charging pile, is favorable for carrying out risk assessment and supervision treatment on the operation state of the internal equipment of the charging pile, ensures that the charging pile is subjected to more reasonable emergency treatment, and is convenient for corresponding maintenance personnel to timely overhaul the charging pile so as to improve the supervision effect on the charging pile.
Description
Technical Field
The invention relates to the technical field of charging pile operation, in particular to a charging pile operation control system based on edge calculation.
Background
Along with the popularization of electric vehicles, the charging pile plays an important role as power supply equipment, and the construction of the charging pile provides a charging infrastructure for the electric vehicles, so that the charging difficulty of the electric vehicles is solved, more people are encouraged to purchase and use the electric vehicles, the popularization of the charging pile can promote the development of the electric vehicle market, the use of the traditional fuel vehicles is reduced, the emission of pollutants is reduced, and the environmental quality is improved;
the complexity of the running environment and the uncontrollable running state cause frequent faults and accidents of the charging pile, which have certain influence on the use experience of users and the development of electric vehicles, but the maintenance of the charging pile in the prior art is usually carried out by maintenance personnel after the charging pile is in question, so that the maintenance mode cannot carry out regular safety evaluation on the charging pile, and the actual working state of the charging pile cannot be obtained in time, thereby causing the passive maintenance of the charging pile, not only increasing the maintenance time and the maintenance difficulty, but also affecting the use of users;
in view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to provide a charging pile operation control system based on edge calculation, which is characterized in that a terminal monitoring module is used for continuously detecting the operation voltage of a charging pile in real time, carrying out deep analysis on the operation voltage by combining an operation voltage threshold value and an operation voltage fluctuation difference value, carrying out real-time continuous detection on the internal temperature of the charging pile in operation by an operation environment monitoring module when judging that the operation voltage of the charging pile is unstable, carrying out deep analysis on the internal temperature of the charging pile in two stages by combining the operation temperature threshold value and the operation temperature fluctuation difference value, carrying out grade assessment on the fault of the charging pile according to an equipment self-checking module, and carrying out targeted emergency treatment, thereby solving the problem that the charging pile cannot be maintained in time to influence the normal use of the charging pile after the fault usually occurs in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the charging pile operation control system based on edge calculation is performed based on a charging pile and comprises a terminal monitoring module, an operation environment monitoring module, a data multidimensional comparison module, an equipment self-checking module and a processor;
the terminal monitoring module is used for monitoring the operation voltage of the charging pile, generating a power supply normal signal when the operation of the charging pile is stable, generating an operation voltage monitoring signal when the operation voltage of the charging pile is unstable without any processing, and transmitting the operation voltage monitoring signal to the data multidimensional comparison module through the processor;
the data multidimensional comparison module is used for calling the running temperature of the charging pile at the moment from the running environment monitoring module after receiving the running voltage monitoring signal, performing secondary stable discrimination operation of the charging pile, generating an abnormality-free signal, a primary emergency signal and a secondary emergency signal, and sending the abnormality-free signal, the primary emergency signal and the secondary emergency signal to the equipment self-checking module through the processor; the operation environment monitoring module is used for collecting and storing the operation temperature of the charging pile in real time;
the equipment self-checking module receives and records the times of each level of emergency signals sent by the data multidimensional comparison module, compares the times with the times threshold value of each level of emergency signals stored in the equipment self-checking module, and makes targeted emergency treatment on the operation process of the charging pile according to the comparison result.
As a preferred embodiment of the present invention, the process of determining whether the operation voltage of the charging pile is stable is as follows:
step one: the terminal monitoring module is used for acquiring the operation voltage of the charging pile in a period of time, marking the operation time period as a time threshold, and equally dividing the operation time period into monitoring time periods N, N=1, 2, …, N and N are positive integers, acquiring the operation voltage of each monitoring time period from the charging pile, marking the operation voltage as VN, and further acquiring VNMax and VNMin in each monitoring time period N;
step two: carrying out numerical calculation on VNMax and VNMin each monitoring time period N, obtaining an operation voltage fluctuation difference value between the maximum voltage and the minimum voltage in each monitoring time period N, marking the operation voltage fluctuation difference value in each monitoring time period as CV, establishing a numerical set by the operation voltage fluctuation difference value CV of all the monitoring time periods, comparing an operation voltage threshold CVmax and an operation voltage threshold CVmin stored in a terminal monitoring module with the operation voltage fluctuation difference value CV, and judging whether the operation state of the charging pile is stable or not according to the comparison result.
As a preferred embodiment of the invention, if the operating voltage fluctuation difference CV is larger than CVmax or CV is smaller than CVmin, an operating voltage monitoring signal is generated, and if the operating voltage fluctuation difference CVmin is smaller than or equal to CV and smaller than CVmax, a power supply normal signal is generated.
As a preferred embodiment of the present invention, the specific process of the secondary stability discriminating operation of the charging pile is as follows:
step one: the method comprises the steps that the operation temperature of a charging pile in a period of time is extracted from an operation environment monitoring module, an operation time period is marked as a time threshold, the operation time period is divided into monitoring time periods N, N=1, 2, …, N and N are positive integers, the operation environment monitoring module obtains the operation temperature of each monitoring time period from the charging pile, the operation temperature is marked as WN, and WNmax and WNmin in each monitoring time period N are obtained;
step two: carrying out numerical calculation on WNmax and WNmin in each monitoring time period N, obtaining the difference value of the highest temperature and the lowest temperature in each monitoring time period N, marking the running temperature fluctuation difference value in each monitoring time period as MT, establishing a numerical set by the running temperature fluctuation difference value MT of all the monitoring time periods, judging the running temperature threshold value MTmax and the running temperature threshold value MTmin stored in the running environment monitoring module and the running temperature fluctuation difference value MT, and carrying out secondary judgment on whether the running state of the charging pile is stable or not according to the comparison result.
As a preferred embodiment of the present invention, the comparison process of the operating temperature fluctuation difference MT and the operating temperature fluctuation coefficient is as follows: if the running temperature fluctuation difference MT is smaller than MTmin, generating an abnormal signal; if the running temperature fluctuation difference value MTmin is less than or equal to MT and less than or equal to MTmax, a first-stage emergency signal is generated; and if the running temperature fluctuation difference MT is more than MTmax, generating a second-level emergency signal.
As a preferred implementation mode of the invention, when receiving the first-level emergency signal, the equipment self-checking module controls the external cooling component electrically connected with the equipment self-checking module to perform first-level cooling treatment; when a secondary emergency signal is received, the equipment self-checking module controls an external cooling component electrically connected with the equipment self-checking module to perform secondary cooling treatment; when the no-exception signal is received, the device self-checking module does not make any processing.
As a preferred embodiment of the invention, the total number of times of the received primary emergency signal is marked as a, the total number of times of the received secondary emergency signal is marked as b, and a and b are respectively compared with a primary emergency signal total number threshold k1 and a secondary emergency signal total number threshold k2 stored in the equipment self-checking module.
As a preferred embodiment of the present invention, the process of discriminating the level of the fault inside the charging pile is as follows:
when the total frequency a of the first-level emergency signals is larger than the total frequency threshold k1 of the first-level emergency signals, the fact that the internal fault of the charging pile is the medium risk level is indicated by the fact that the internal fault of the charging pile is carried out a plurality of times of medium risk cooling treatment is indicated, the charging pile can be used continuously, the equipment self-checking module generates a waiting checking signal of the charging pile, and the positions of parts corresponding to the waiting checking signal of the charging pile are sent to a maintainer terminal;
when the total number b of the secondary emergency signals is larger than the total number threshold k2 of the secondary emergency signals, the fact that the inside of the charging pile is subjected to multiple times of high-risk cooling treatment is indicated, the internal fault of the charging pile is high in risk level, the charging pile immediately and automatically closes a charging function, an equipment self-checking module generates an immediate maintenance signal of the charging pile, and the position of a part corresponding to the immediate maintenance signal of the charging pile is sent to a maintenance personnel terminal;
when the total frequency a of the primary emergency signals is less than or equal to the total frequency threshold k1 of the primary emergency signals or the total frequency b of the secondary emergency signals is less than or equal to the total frequency threshold k2 of the secondary emergency signals, the total frequency a of the primary emergency signals and the total frequency b of the secondary emergency signals received by the equipment self-checking module are cleared.
Compared with the prior art, the invention has the beneficial effects that:
1. when the invention is used, the terminal monitoring module is used for continuously detecting the running voltage of the charging pile in real time, and the running voltage threshold value and the running voltage fluctuation difference value are combined for deep analysis, so that the feedback of a designated area of the charging pile with component faults or power supply faults is realized, and after the component faults or the power supply faults occur in the charging pile, an overhaul signal is sent to the charging pile display terminal, and corresponding maintainers can directly overhaul the charging pile in time, thereby improving the overhaul efficiency of the charging pile.
2. When the intelligent charging pile temperature monitoring system is used, the internal temperature of the charging pile during operation is continuously detected in real time through the operation environment monitoring module, and the operation temperature threshold value and the operation temperature fluctuation difference value are combined to perform deep analysis, so that the charging pile with abnormal internal operation temperature is subjected to adaptive timely cooling treatment, an emergency signal is sent to the data multidimensional comparison module when the temperature of the charging pile is abnormal, and the processor is used for realizing adaptive timely cooling of the internal operation temperature of the charging pile by controlling the starting number of fans in the charging pile and the rotating speed of the fans.
3. When the method is used, the equipment self-checking module is used for recording the total times of the primary emergency signals and the total times of the secondary emergency signals received by the charging pile in a period of time, and comparing the total times of the primary emergency signals and the total times of the secondary emergency signals with the primary emergency signal time threshold and the secondary emergency signal time threshold respectively to obtain the risk evaluation grade of the faults of the charging pile, judging whether the running charging pile has more potential safety hazards, realizing real-time monitoring and regular safety evaluation of the charging pile in the running process, simultaneously obtaining the real-time working state of the charging pile, and actively maintaining the charging pile, thereby not only reducing the maintenance difficulty and the maintenance time, but also avoiding influencing the normal use of users.
Drawings
For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a schematic diagram of a system 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
As shown in fig. 1, the charging pile operation control system based on edge calculation is based on a charging pile and comprises a terminal monitoring module, an operation environment monitoring module, a data multidimensional comparison module, an equipment self-checking module and a processor;
the terminal monitoring module is used for monitoring the operation voltage of the charging pile, and the specific monitoring mode is to continuously monitor the charging pile, generate a power supply normal signal when the operation of the charging pile is stable, do not perform any processing at the moment, generate an operation voltage monitoring signal when the operation voltage of the charging pile is unstable, and send the operation voltage monitoring signal to the data multidimensional comparison module through the processor;
the judging process of whether the operation voltage of the charging pile is stable or not is as follows:
step one: the terminal monitoring module is used for acquiring the operation voltage of the charging pile in a period of time, marking the operation time period as a time threshold, and equally dividing the operation time period into monitoring time periods N, N=1, 2, …, N and N are positive integers, acquiring the operation voltage of each monitoring time period from the charging pile, marking the operation voltage as VN, and further acquiring VNMax and VNMin in each monitoring time period N;
step two: carrying out numerical calculation on VNMax and VNMin each monitoring time period N, obtaining an operation voltage fluctuation difference value between the maximum voltage and the minimum voltage in each monitoring time period N, marking the operation voltage fluctuation difference value in each monitoring time period as CV, establishing a numerical set by the operation voltage fluctuation difference value CV of all the monitoring time periods, comparing an operation voltage threshold CVmax and an operation voltage threshold CVmin stored in a terminal monitoring module with the operation voltage fluctuation difference value CV, and judging whether the operation state of the charging pile is stable or not according to the comparison result:
if the running voltage fluctuation difference CV is more than CVmax or CV is less than CVmin, generating a running voltage monitoring signal;
and if the running voltage fluctuation difference CVmin is less than or equal to CV and less than or equal to CVmax, generating a power supply normal signal.
Example two
As shown in fig. 1, the data multidimensional comparing module is used for calling the operation temperature of the charging pile at the moment from the operation environment monitoring module after receiving the operation voltage monitoring signal, and performing secondary stability judging operation of the charging pile, and the specific process is as follows:
step one: the method comprises the steps that the operation temperature of a charging pile in a period of time is extracted from an operation environment monitoring module, an operation time period is marked as a time threshold, the operation time period is divided into monitoring time periods N, N=1, 2, …, N and N are positive integers, the operation environment monitoring module obtains the operation temperature of each monitoring time period from the charging pile, the operation temperature is marked as WN, and WNmax and WNmin in each monitoring time period N are obtained;
step two: carrying out numerical calculation on WNmax and WNmin in each monitoring time period N to obtain a difference value between the highest temperature and the lowest temperature in each monitoring time period N, marking the running temperature fluctuation difference value in each monitoring time period as MT, establishing a numerical set by the running temperature fluctuation difference value MT of all the monitoring time periods, judging the running temperature threshold value MTmax and the running temperature threshold value MTmin stored in the running environment monitoring module and the running temperature fluctuation difference value MT, and carrying out secondary judgment on whether the running state of the charging pile is stable or not according to a comparison result;
the comparison process of the operating temperature fluctuation difference value MT and the operating temperature fluctuation coefficient comprises the following steps:
if the running temperature fluctuation difference MT is smaller than MTmin, the internal temperature value of the charging pile is lower than WNmin in each monitoring time period N, so that the charging pile is normal in running, and then an abnormal signal is generated;
if the running temperature fluctuation difference value MTmin is less than or equal to MT and less than or equal to MTmax, and at the moment, the internal temperature value of the charging pile is between WNmax and WNmin in each monitoring time period N, the abnormal running of the charging pile is indicated, and then a first-level emergency signal is generated;
if the running temperature fluctuation difference MT is larger than MTmax, and the internal temperature value of the charging pile is higher than MTmax in each monitoring time period N, the abnormal and severe temperature fluctuation of the internal temperature of the charging pile is indicated, the operation of the charging pile is extremely problematic, and then a secondary emergency signal is generated.
Example III
As shown in fig. 1, when receiving the first-level emergency signal, the device self-checking module controls the external cooling component electrically connected with the device self-checking module to perform the first-level cooling treatment, and the specific cooling mode of the first-level air volume cooling is as follows:
starting a part of fans in the charging pile, regulating the air quantity of the part of fans to the medium-gear air quantity, and then rapidly cooling the inside of the charging pile by using the medium-gear air quantity until the temperature in the charging pile is reduced;
when receiving the second grade emergency signal, the outside cooling subassembly of equipment self-checking module control and its electric connection makes the second grade cooling and handles, and wherein the specific cooling mode of second grade air volume cooling is specifically as follows:
starting all fans inside the charging pile, regulating the air quantity of all fans to high-gear air quantity, then rapidly cooling the inside of the charging pile by utilizing the high-gear air quantity until the temperature inside the charging pile is reduced to a specified temperature range, wherein the specified temperature range refers to the temperature between WNmax and WNmin of the temperature value inside the charging pile in each monitoring time period N, when the temperature inside the charging pile is reduced from high temperature to relatively low temperature for a period of time, closing part of fans at the moment and reducing the rotating speed of the fans which are not closed, and reducing the electric energy consumption and the running noise while reducing the temperature inside the charging pile by utilizing the low rotating speed of part of fans.
When the no-exception signal is received, the device self-checking module does not make any processing.
The method comprises the steps of marking the total times of received first-level emergency signals as a, marking the total times of received second-level emergency signals as b, and comparing the a and b with a first-level emergency signal total times threshold k1 and a second-level emergency signal total times threshold k2 stored in a self-checking module of equipment respectively to judge the high and low serious conditions of the internal faults of the charging pile, wherein the specific process is as follows:
when the total frequency a of the first-level emergency signals is greater than the total frequency threshold k1 of the first-level emergency signals, the fact that the interior of the charging pile is subjected to multiple times of risk cooling treatment is indicated, the fact that the interior fault of the charging pile is a risk grade is indicated, the charging pile continues to be used, the equipment self-checking module generates a waiting checking signal, the corresponding part of the waiting checking signal is sent to a maintainer terminal, and after the maintainer acquires that the charging pile has a problem through a mobile phone or a related display screen, the maintainer periodically maintains and overhauls the charging pile;
when the total number b of the secondary emergency signals is larger than the total number threshold k2 of the secondary emergency signals, the fact that the inside of the charging pile is subjected to multiple high-risk cooling treatments is indicated, the fact that the internal fault of the charging pile is a medium risk level is indicated, the charging pile immediately turns off the charging function by itself, an equipment self-checking module generates an immediate maintenance signal and sends the corresponding part of the immediate maintenance signal to a maintenance personnel terminal, after the maintenance personnel acquires that the charging pile has a problem through a mobile phone or a related display screen, the maintenance personnel immediately carry corresponding accessories to arrive at a site and timely maintain the charging pile, the time spent by part pairing is saved, and the problem that maintenance personnel can only maintain the charging pile after the charging pile is usually sent in the prior art and meanwhile cannot carry out regular safety assessment on the charging pile is solved;
when the total frequency a of the primary emergency signals is less than or equal to the total frequency threshold k1 of the primary emergency signals or the total frequency b of the secondary emergency signals is less than or equal to the total frequency threshold k2 of the secondary emergency signals, the total frequency a of the primary emergency signals and the total frequency b of the secondary emergency signals received by the equipment self-checking module are cleared.
The method comprises the steps of analyzing the total times of primary emergency signals and the total times of secondary emergency signals received by the equipment self-checking module, judging whether the charging pile has more potential safety hazards in the operation process, realizing real-time monitoring and regular safety evaluation of the charging pile in the operation process, simultaneously acquiring the real-time working state of the charging pile, actively maintaining the charging pile, reducing the maintenance difficulty and shortening the maintenance time, and avoiding affecting the normal use of a user.
According to the first embodiment, the second embodiment and the third embodiment, the real-time risk assessment and analysis judgment of the charging pile in the operation process are realized, the fault condition of the charging pile is further analyzed and optimized, so that the use safety of the charging pile is ensured, meanwhile, the further fault analysis is carried out on the charging pile by combining the operation temperature threshold value and the operation temperature fluctuation difference value, so that the charging pile is subjected to more reasonable emergency treatment, the real-time monitoring and the regular safety assessment of the charging pile in the operation process are realized, and the use safety coefficient and the fault emergency treatment and analysis capability of the charging pile are integrally improved.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The charging pile operation control system based on edge calculation is characterized by comprising a terminal monitoring module, an operation environment monitoring module, a data multidimensional comparison module, an equipment self-checking module and a processor, wherein the charging pile operation control system is performed based on a charging pile;
the terminal monitoring module is used for monitoring the operation voltage of the charging pile, generating a power supply normal signal when the operation of the charging pile is stable, generating an operation voltage monitoring signal when the operation voltage of the charging pile is unstable without any processing, and transmitting the operation voltage monitoring signal to the data multidimensional comparison module through the processor;
the data multidimensional comparison module is used for calling the running temperature of the charging pile at the moment from the running environment monitoring module after receiving the running voltage monitoring signal, performing secondary stable discrimination operation of the charging pile, generating an abnormality-free signal, a primary emergency signal and a secondary emergency signal, and sending the abnormality-free signal, the primary emergency signal and the secondary emergency signal to the equipment self-checking module through the processor; the operation environment monitoring module is used for collecting and storing the operation temperature of the charging pile in real time;
the equipment self-checking module receives and records the times of each level of emergency signals sent by the data multidimensional comparison module, compares the times with the times threshold value of each level of emergency signals stored in the equipment self-checking module, and makes targeted emergency treatment on the operation process of the charging pile according to the comparison result.
2. The charging pile operation control system based on edge calculation according to claim 1, wherein the process of judging whether the charging pile operation voltage is stable or not is as follows:
step one: the terminal monitoring module is used for acquiring the operation voltage of the charging pile in a period of time, marking the operation time period as a time threshold, and equally dividing the operation time period into monitoring time periods N, N=1, 2, …, N and N are positive integers, acquiring the operation voltage of each monitoring time period from the charging pile, marking the operation voltage as VN, and further acquiring VNMax and VNMin in each monitoring time period N;
step two: carrying out numerical calculation on VNMax and VNMin each monitoring time period N, obtaining an operation voltage fluctuation difference value between the maximum voltage and the minimum voltage in each monitoring time period N, marking the operation voltage fluctuation difference value in each monitoring time period as CV, establishing a numerical set by the operation voltage fluctuation difference value CV of all the monitoring time periods, comparing an operation voltage threshold CVmax and an operation voltage threshold CVmin stored in a terminal monitoring module with the operation voltage fluctuation difference value CV, and judging whether the operation state of the charging pile is stable or not according to the comparison result.
3. The charging pile operation control system based on edge calculation according to claim 2, wherein an operation voltage monitoring signal is generated if an operation voltage fluctuation difference value CV > CVmax or CV < CVmin, and a power supply normal signal is generated if the operation voltage fluctuation difference value CVmin is equal to or less than CV is equal to or less than CVmax.
4. The charging pile operation control system based on edge calculation according to claim 1, wherein the secondary stability discrimination operation of the charging pile comprises the following specific procedures:
step one: the method comprises the steps that the operation temperature of a charging pile in a period of time is extracted from an operation environment monitoring module, an operation time period is marked as a time threshold, the operation time period is divided into monitoring time periods N, N=1, 2, …, N and N are positive integers, the operation environment monitoring module obtains the operation temperature of each monitoring time period from the charging pile, the operation temperature is marked as WN, and WNmax and WNmin in each monitoring time period N are obtained;
step two: carrying out numerical calculation on WNmax and WNmin in each monitoring time period N, obtaining the difference value of the highest temperature and the lowest temperature in each monitoring time period N, marking the running temperature fluctuation difference value in each monitoring time period as MT, establishing a numerical set by the running temperature fluctuation difference value MT of all the monitoring time periods, judging the running temperature threshold value MTmax and the running temperature threshold value MTmin stored in the running environment monitoring module and the running temperature fluctuation difference value MT, and carrying out secondary judgment on whether the running state of the charging pile is stable or not according to the comparison result.
5. The charging pile operation control system based on edge calculation according to claim 4, wherein the comparison process of the operation temperature fluctuation difference MT and the operation temperature fluctuation coefficient is as follows: if the running temperature fluctuation difference MT is smaller than MTmin, generating an abnormal signal; if the running temperature fluctuation difference value MTmin is less than or equal to MT and less than or equal to MTmax, a first-stage emergency signal is generated; and if the running temperature fluctuation difference MT is more than MTmax, generating a second-level emergency signal.
6. The charging pile operation control system based on edge calculation according to claim 1, wherein when receiving a first-level emergency signal, the device self-checking module controls an external cooling component electrically connected with the device self-checking module to perform first-level cooling treatment; when a secondary emergency signal is received, the equipment self-checking module controls an external cooling component electrically connected with the equipment self-checking module to perform secondary cooling treatment; when the no-exception signal is received, the device self-checking module does not make any processing.
7. The system of claim 6, wherein the total number of received primary emergency signals is denoted as a, the total number of received secondary emergency signals is denoted as b, and a and b are compared with the total number of primary emergency signals threshold k1 and the total number of secondary emergency signals threshold k2 stored in the device self-test module, respectively.
8. The charging pile operation control system based on edge calculation according to claim 7, wherein the discriminating process of the fault level in the charging pile is as follows:
when the total frequency a of the first-level emergency signals is larger than the total frequency threshold k1 of the first-level emergency signals, the fact that the internal fault of the charging pile is the medium risk level is indicated by the fact that the internal fault of the charging pile is carried out a plurality of times of medium risk cooling treatment is indicated, the charging pile can be used continuously, the equipment self-checking module generates a waiting checking signal of the charging pile, and the positions of parts corresponding to the waiting checking signal of the charging pile are sent to a maintainer terminal;
when the total number b of the secondary emergency signals is larger than the total number threshold k2 of the secondary emergency signals, the fact that the inside of the charging pile is subjected to multiple times of high-risk cooling treatment is indicated, the internal fault of the charging pile is high in risk level, the charging pile immediately and automatically closes a charging function, an equipment self-checking module generates an immediate maintenance signal of the charging pile, and the position of a part corresponding to the immediate maintenance signal of the charging pile is sent to a maintenance personnel terminal;
when the total frequency a of the primary emergency signals is less than or equal to the total frequency threshold k1 of the primary emergency signals or the total frequency b of the secondary emergency signals is less than or equal to the total frequency threshold k2 of the secondary emergency signals, the total frequency a of the primary emergency signals and the total frequency b of the secondary emergency signals received by the equipment self-checking module are cleared.
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| CN202311433495.2A CN117382468B (en) | 2023-10-31 | Charging pile operation control system based on edge calculation |
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