CN115352312B - Charging control method and system based on charging pile - Google Patents
Charging control method and system based on charging pile Download PDFInfo
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- CN115352312B CN115352312B CN202211283459.8A CN202211283459A CN115352312B CN 115352312 B CN115352312 B CN 115352312B CN 202211283459 A CN202211283459 A CN 202211283459A CN 115352312 B CN115352312 B CN 115352312B
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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
- B60L53/64—Optimising energy costs, e.g. responding to electricity rates
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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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- 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
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging control method and a charging control system based on a charging pile, wherein the method comprises the following steps: the charging interaction system triggers state recognition on physical quantity information of each charging pile based on the first image data to obtain an effective charging pile data set; the charging interaction system identifies the type of the automobile to be charged based on the second image data; distributing required charging piles from the effective charging pile data set according to the types of the automobiles; the required charging pile and the corresponding electricity price strategy are issued to the client; issuing a charging control instruction to a charging control system according to a selection result of a user on a client; and the charging control system executes a charging control command to charge the automobile to be charged. According to the invention, the required charging pile is matched according to the type of the automobile, and the charging control instruction is released to charge the automobile to be charged, so that the automobile to be charged is convenient for a customer to use, and the user experience is enhanced.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a charging control method and system based on a charging pile.
Background
Along with the rapid development of the new energy automobile industry in recent years, the number of electric or oil-electric hybrid private cars is more and more, the demand of the commercial charging pile is more and more, when the commercial charging pile faces different types of automobiles to be charged, the quality of the charging pile is good or effective, the matching degree of the charging pile and the types of the automobiles and the electricity price strategy of the charging pile cannot be identified, so that a customer needs to spend time and energy to search for the charging pile, and the user experience is poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a charging control method and system based on charging piles.
In order to solve the above problems, the present invention provides a method for controlling charging based on a charging pile, wherein the method comprises:
the method comprises the steps that a 3D vision system based on a charging area collects first image data of an automobile to be charged and sends the first image data to a charging interaction system;
the charging interaction system triggers state recognition on physical quantity information of each charging pile based on the first image data to obtain an effective charging pile data set;
the charging interaction system triggers the 3D vision system to acquire second image data of the automobile to be charged;
the charging interaction system identifies the type of the automobile to be charged based on the second image data;
distributing required charging piles from the effective charging pile data set according to the types of the automobiles;
the required charging pile and the corresponding electricity price strategy are issued to the client;
issuing a charging control instruction to a charging control system according to a selection result of a user on a client;
and the charging control system executes a charging control instruction to charge the automobile to be charged.
The 3D vision system based on the charging area collects first image data of a car to be charged and sends the first image data to a charging interaction system, and the method comprises the following steps:
whether a charging area newly enters the automobile to be charged or not is identified based on the 3D vision system, the movement path of the automobile to be charged is identified, and if the movement path of the automobile accords with the movement path to be charged, the 3D vision system collects first image data of the automobile to be charged.
The identifying whether a charging area newly enters a vehicle to be charged based on the 3D vision system and identifying a movement path of the vehicle to be charged comprises:
acquiring video stream data of the charging area range based on the 3D vision system;
detecting an automobile frame set to be charged from video stream data by a single-stage detection method;
and acquiring the movement track of the automobile to be charged in the three-dimensional geographic space through the automobile frame set to be charged, wherein the movement track is marked according to the time sequence.
The charging interaction system triggers state recognition on physical quantity information of each charging pile based on the first image data, and the acquisition of an effective charging pile data set comprises the following steps:
obtaining active power and reactive power of an alternating current side and active power of a direct current side on each charging pile;
performing state judgment on the states of the alternating current side, the direct current side and the direct current bus of each charging pile based on the active power, the reactive power and the active power of the direct current side to obtain effective charging piles in each charging pile;
and acquiring the geographical position information corresponding to the effective charging piles in each charging pile, and forming an effective charging pile data set.
The interactive system that charges triggers 3D vision system gathers the second image data of waiting to charge the car and includes:
the second image data is a 3D image of the automobile to be charged, and a whole automobile image of the automobile to be charged is extracted from the 3D image of the automobile;
five pictures to be matched are extracted from the whole image of the automobile to be charged, and each picture to be matched relates to the relevant characteristic parameters of the automobile to be charged.
The charging interaction system identifies the type of the automobile to be charged based on the second image data, and the identification comprises the following steps:
extracting five images of the surface to be matched;
respectively calculating the similarity of five region entropy values of the five surface images to be matched and each vehicle template image in a preset vehicle template library to obtain a plurality of results of the similarity of the five region entropy values;
and identifying a corresponding brand vehicle model in a preset vehicle template library according to the results of the five region entropy value similarities, wherein the brand vehicle model is the type of the automobile to be charged.
The step of issuing the required charging pile and the corresponding electricity price strategy to the client comprises the following steps:
lighting a required charging pile in a charging display map to be in a chargeable state;
and acquiring an electricity price strategy corresponding to each charging pile in a lighting chargeable state, and generating an electricity price strategy label according to the position of each charging pile in the charging display map.
Correspondingly, the invention also provides a charging system, which comprises:
the charging interaction system comprises a 3D vision system, a charging interaction system and a charging interaction system, wherein the 3D vision system is used for acquiring first image data and second image data of an automobile to be charged and sending the first image data and the second image data to the charging interaction system;
the charging interaction system is used for receiving first image data acquired by the 3D vision system, and triggering the physical quantity information of each charging pile to perform state recognition based on the first image data to obtain an effective charging pile data set; after the effective charging pile data set is obtained, triggering a 3D vision system to acquire second image data of the automobile to be charged; identifying the automobile type of the automobile to be charged based on the second image data; distributing required charging piles from the effective charging pile data set according to the types of the automobiles; the required charging pile and the corresponding electricity price strategy are issued to the client; issuing a charging control instruction to a charging control system according to a selection result of a user on a client;
and the charging control system is used for executing a charging control command to charge the automobile to be charged.
The system further comprises: the charging system comprises more than one transformer, more than one switch and a plurality of charging piles, wherein a first transformer in the more than one transformer and a first switch in the more than one switch are connected with more than one charging piles in the plurality of charging piles; the charging system controls the charging state of the more than one charging pile through the first transformer and the first switch.
According to the method and the system, the charging interactive system is triggered by the 3D vision system to perform state recognition on the physical quantity information of each charging pile, so that an effective charging pile data set can be obtained, the 3D vision system can conveniently distribute the required charging piles for the automobile to be charged after the type of the automobile is recognized, each charging pile is bound with a corresponding electricity price strategy, a user can conveniently select a proper charging mode by combining the effective charging piles and the corresponding electricity price strategies, the automobile to be charged is charged under the selection result of the user, the electricity utilization requirements of a user side and a power supply side are favorably balanced, the reliability and the charging utilization efficiency of the whole charging system are improved, and the experience degree of the user is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a charging system in an embodiment of the present invention;
fig. 2 is a schematic diagram of a distribution structure of charging piles in a charging area according to an embodiment of the present invention;
fig. 3 is a flowchart of a charging control method based on a charging pile in an embodiment 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.
Fig. 1 shows a schematic structural diagram of a charging system in an embodiment of the present invention, the charging system including: the charging system includes a charging interaction system, a 3D vision system, a charging control system, more than one transformer (specifically, may include a first transformer and a second transformer shown in fig. 1), more than one switch (specifically, may include a first switch and a second switch shown in fig. 1), a plurality of charging piles (specifically, may include a first charging pile, a second charging pile, a third charging pile, a fourth charging pile, a fifth charging pile, a sixth charging pile, a seventh charging pile, and an eighth charging pile shown in fig. 1), and the like.
It should be noted that, the 3D vision system is used for acquiring video image data of an automobile to be charged in a charging area, that is, acquiring first image data of the automobile to be charged and second image data of the automobile to be charged, and sending the first image data and the second image data to the charging interaction system;
the charging interaction system is used for receiving first image data acquired by the 3D vision system, and triggering state identification on physical quantity information of each charging pile based on the first image data to obtain an effective charging pile data set; after the effective charging pile data set is obtained, triggering a 3D vision system to acquire second image data of the automobile to be charged; identifying the type of the automobile to be charged based on the second image data; distributing required charging piles from the effective charging pile data set according to the automobile types; the required charging pile and the corresponding electricity price strategy are issued to the client; issuing a charging control instruction to a charging control system according to a selection result of a user on a client;
it should be noted that the charging control system is configured to execute a charging control command to charge the vehicle to be charged.
Fig. 2 shows a schematic diagram of a distribution structure of charging piles in a charging area in the embodiment of the present invention, a plurality of parking spaces may be arranged in the charging area, and a plurality of charging piles are arranged among the plurality of parking spaces, that is, a plurality of charging piles are arranged among parking spaces 1, 2, 3, 4, 5, and 6, and the plurality of charging piles supply power through power transmission cables, so that charging of a vehicle to be charged on a nearby vehicle is satisfied.
The charging control system can control the charging states of the charging piles through the corresponding transformers and the corresponding switches, namely, the charging control system can control the charging states of the first charging pile, the second charging pile, the third charging pile and the fourth charging pile through the first transformer and the first switch, and the charging control system can control the charging states of the fifth charging pile, the sixth charging pile, the seventh charging pile and the eighth charging pile through the second transformer and the second switch.
It should be noted that, here, the charging interaction system triggers, based on the first image data, state recognition on physical quantity information of each charging pile, and obtaining an effective charging pile data set includes: obtaining active power and reactive power of an alternating current side and active power of a direct current side on each charging pile; performing state judgment on the states of the alternating current side, the direct current side and the direct current bus of each charging pile based on the active power, the reactive power and the active power of the direct current side to obtain effective charging piles in each charging pile; and acquiring geographic position information corresponding to the effective charging piles in each charging pile, and forming an effective charging pile data set. The charging interactive system can determine the specific situation and the position of each charging pile by reading the data of the current converter alternating current side of each charging pile, so that the charging interactive system can determine whether each charging pile is in a charging state, has a fault or not and can be charged or not, an effective charging pile data set is obtained, and each charger in the effective charging pile data set can meet the charging requirement of the automobile to be charged.
The charging interactive system judges the type of the vehicle to be charged through the second image data, after the charging interactive system obtains an effective charging pile data set, the charging interactive system triggers the 3D vision system to acquire the second image data of the vehicle to be charged, the second image data is a 3D portrait of the vehicle to be charged, a whole vehicle image can be extracted from the 3D portrait of the vehicle, five portraits to be matched can be extracted from the whole vehicle image, each portrait to be matched relates to relevant characteristic parameters of the vehicle to be charged, such as appearance structure, height, length, width and the like, and the relevant parameters can be used for the vehicle to identify the type of the vehicle to be charged.
The system in the embodiment of the invention triggers the charging interaction system to identify the state of the physical quantity information of each charging pile through the 3D vision system, so that an effective charging pile data set can be obtained, the 3D vision system can conveniently distribute the required charging piles for the automobile to be charged after identifying the type of the automobile, each charging pile is bound with a corresponding electricity price strategy, a user can conveniently select a proper charging mode by combining the effective charging piles and the corresponding electricity price strategies, the automobile to be charged is charged under the selection result of the user, the electricity utilization requirements of a user side and a power supply side are favorably balanced, the reliability of the whole charging system is improved, and the experience degree of the user is enhanced.
The charging control method based on the charging pile in the embodiment of the invention includes that a 3D vision system based on a charging area acquires first image data of an automobile to be charged, and sends the first image data to a charging interaction system; the charging interaction system triggers state recognition on physical quantity information of each charging pile based on the first image data to obtain an effective charging pile data set; the charging interaction system triggers the 3D vision system to acquire second image data of the automobile to be charged; the charging interaction system identifies the type of the automobile to be charged based on the second image data; distributing required charging piles from the effective charging pile data set according to the automobile types; the required charging pile and the corresponding electricity price strategy are issued to the client; issuing a charging control instruction to a charging control system according to a selection result of a user on a client; and the charging control system executes a charging control instruction to charge the automobile to be charged.
According to the method, the 3D vision system triggers the charging interaction system to identify the state of physical quantity information of each charging pile, so that an effective charging pile data set can be obtained, the 3D vision system can conveniently distribute the required charging piles for the to-be-charged automobile after identifying the type of the automobile, each charging pile is bound with a corresponding electricity price strategy, a user can conveniently select a proper charging mode by combining the effective charging piles and the corresponding electricity price strategies, the to-be-charged automobile is charged under the selection result of the user, the electricity utilization requirements of a user side and a power supply side are favorably balanced, the reliability of the whole charging system is improved, and the experience degree of the user is enhanced.
Specifically, fig. 3 shows a flowchart of a method for performing charging control based on a charging pile in the embodiment of the present invention, which specifically includes the following steps:
s301, acquiring first image data of an automobile to be charged by a 3D vision system based on a charging area, and sending the first image data to a charging interaction system;
it should be noted that, in the 3D vision system, three-dimensional coordinate information of each point in the visual field space can be acquired through the 3D camera, and the three-dimensional stereo imaging of the vehicle to be charged is intelligently acquired through algorithm restoration.
In the specific implementation process, the 3D vision system is located in the charging area, whether the charging area where the 3D vision system is located is to allow the automobile to be charged to enter or not can be monitored in real time, and when the automobile to be charged enters the charging area, the 3D vision system can be triggered to acquire first image data of the automobile to be charged.
In the specific implementation process, whether a charging area newly enters a to-be-charged automobile is identified based on the 3D vision system, the movement path of the to-be-charged automobile is identified, and if the movement path of the automobile accords with the to-be-charged movement path, the 3D vision system collects first image data of the to-be-charged automobile.
In a specific implementation process, the identifying whether a charging area newly enters a to-be-charged automobile or not based on the 3D vision system and the identifying of the movement path of the to-be-charged automobile include: acquiring video stream data of the charging area range based on the 3D vision system; detecting an automobile frame set to be charged from video stream data by a single-stage detection method; and acquiring the movement track of the automobile to be charged in the three-dimensional geographic space through the automobile frame set to be charged, wherein the movement track is marked according to the time sequence.
Here, a single-stage detection method YOLOv5 with relatively stable performance at present may be adopted, and after the to-be-charged automobile frame set acquired by the monitoring camera is input into YOLOv5, YOLOv5 is used to determine the position and size of the pedestrian in the monitored image and is marked by the detection frame. You only look once, which is known by YOLO, and which only requires one-time browsing to identify the category and location of objects in an image.
In the process of detecting a to-be-charged automobile frame set from video stream data by a single-stage detection method YOLOv5, carrying out image style normalization processing on the to-be-charged automobile frame set; based on a spatial transformation network, carrying out spatial transformation processing on the vehicle frame set to be charged after the image style normalization processing; the method adopts a multi-granularity feature extraction method to carry out target recognition on the frame set of the automobile to be charged after spatial transformation, so that the automobile to be charged can unify the moving track of the automobile to be charged in a charging area to realize a target recognition process, and the moving track of the automobile to be charged in a three-dimensional geographic space can be conveniently formed.
The first image data are generated according to the behavior triggered when the automobile to be charged enters the charging area, the first image data can be acquired only when the motion path of the automobile to be charged meets the charging requirement, if the automobile only runs in the charging area, the acquisition of the first image data is not required to be triggered, the charging starting mode of the whole charging system is not required to be triggered, and the invalid load of the charging system is reduced.
S302, the charging interaction system triggers state recognition on physical quantity information of each charging pile based on the first image data to obtain an effective charging pile data set;
here, the charging interaction system triggers, based on the first image data, state recognition of physical quantity information of each charging pile, and obtaining an effective charging pile data set includes: obtaining active power and reactive power of an alternating current side and active power of a direct current side on each charging pile; performing state judgment on the states of the alternating current side, the direct current side and the direct current bus of each charging pile based on the active power, the reactive power and the active power of the direct current side to obtain effective charging piles in each charging pile; and acquiring the geographical position information corresponding to the effective charging piles in each charging pile, and forming an effective charging pile data set.
It should be noted that, the data of the converter ac side of each charging pile is read, and the specific conditions and the positions of each charging pile can be determined, so that the charging interaction system can determine whether each charging pile is in a charging state, has a fault, and can be charged, and thus an effective charging pile data set is obtained, that is, each charger in the effective charging pile data set can meet the charging requirement of the vehicle to be charged.
S303, triggering the 3D vision system to acquire second image data of the automobile to be charged by the charging interaction system;
it should be noted that the triggering of the 3D vision system by the charging interaction system to acquire the second image data of the car to be charged includes: the second image data is a 3D image of the automobile to be charged, and a whole automobile image of the automobile to be charged is extracted from the 3D image of the automobile; five pictures to be matched are extracted from the whole image of the automobile to be charged, and each picture to be matched relates to the relevant characteristic parameters of the automobile to be charged.
It should be noted that the second image data is used to determine the car type of the car to be charged, after the charging interaction system obtains the effective charging pile data set, the charging interaction system triggers the 3D vision system to acquire the second image data of the car to be charged, the second image data is a 3D image of the car to be charged, an image of the whole car can be extracted from the 3D image of the car, five images to be matched can be extracted from the image of the whole car, each image to be matched relates to relevant characteristic parameters of the car to be charged, such as appearance structure, height, length, width, and the like, and the relevant parameters can be used for the car to identify the car type of the car to be charged.
S304, the charging interaction system identifies the type of the automobile to be charged based on the second image data;
it should be noted that the identifying, by the charging interaction system, the type of the car to be charged based on the second image data includes: extracting five images of the surface to be matched; respectively calculating the similarity of five region entropy values of the five surface images to be matched and each vehicle template image in a preset vehicle template library to obtain a plurality of results of the similarity of the five region entropy values; and identifying a corresponding brand vehicle model in a preset vehicle template library according to the results of the similarity of the entropy values of the five regions, wherein the brand vehicle model is the type of the automobile to be charged.
The corresponding automobile type can be directly identified by calculating the similarity of the five regional entropy values of the five images of the surface to be matched and each automobile template image, so that the consumption of computing resources of the whole system is reduced, and the accuracy of automobile type identification is remarkably improved.
Here, the method for calculating the similarity of the five area entropy values of the five images of the surface to be matched and each vehicle template image in a preset vehicle template library respectively to obtain a plurality of results of the similarity of the five area entropy values includes: respectively calculating the entropy values of five to-be-matched surface images and the entropy values of five regions of each vehicle template image; comparing the entropy values of the five surface images to be matched with the entropy values of the five regions of each vehicle template image to obtain a plurality of entropy value comparison results; and obtaining the similarity of the entropy values of five regions of the five images of the surface to be matched and the template images of each vehicle according to the comparison results of the entropy values. The vehicle template library is an automobile picture library established according to a brand vehicle model.
The whole entropy calculation process is as follows: calculating the gray value of each pixel point in each image of the surface to be matched; calculating the probability of each gray level appearing in each image of the surface to be matched according to the gray level value of each pixel point; calculating the entropy value of each image of the surface to be matched by using a preset entropy value calculation formula according to the probability of each gray level appearing in each image of the surface to be matched; comparing the entropy values of the five surface images to be matched with the entropy values of the corresponding vehicle template images to obtain a plurality of entropy value comparison results; and obtaining the similarity of the entropy values of five regions of the five images of the surface to be matched and the template images of each vehicle according to the comparison results of the entropy values. The similarity of the entropy values of the five regions can be judged according to the entropy value comparison result, and if the similarity of the entropy values of the five regions is low, the automobile to be charged is directly determined not to be a corresponding brand vehicle; and if the multi-region entropy similarity is high, determining that the automobile to be charged is the corresponding brand vehicle model.
S305, distributing required charging piles from the effective charging pile data set according to the automobile types;
after the automobile type is identified, the automobile type can be obtained to be a brand vehicle model, for example, a small Peng automobile, a Tesla automobile, a BYD automobile and other types of automobiles, because the charging pile that each type of automobile satisfies, the charging requirements of customers are all inconsistent, a plurality of charging piles are arranged in a charging area, part of the plurality of charging piles can satisfy the charging requirement of a parking space, part of the charging piles are distributed in the parking space area according to the automobile type, for example, 4 charging piles can be covered in parking space 1, four charging piles can be the charging piles of 4 types of automobiles, so that one parking space can support 4 types of automobiles to be charged, and the charging efficiency of commercial charging stations for supporting various types of automobiles is improved.
S306, issuing the required charging pile and the corresponding electricity price strategy to the client;
it should be noted that before issuing the required charging pile and the corresponding electricity price policy to the client, the method further includes: and establishing a communication link for the charging interactive system and the client, and acquiring a charging display map of a charging area where the charging interactive system is located.
The specific implementation process of establishing the communication link between the charging interactive system and the client can be triggered by code scanning, that is, a user establishes the communication link through a two-dimensional code or an identification code and the like on the client code scanning charging interactive system.
In the specific implementation process, the step of issuing the required charging pile and the corresponding electricity price strategy to the client comprises the following steps: lighting a required charging pile in a charging display map to be in a chargeable state; and acquiring an electricity price strategy corresponding to each charging pile in a lighting chargeable state, and generating an electricity price strategy label according to the position of each charging pile in the charging display map.
The charging display map is used for conveniently feeding the chargeable state produced on the charging interaction system back to the client, and the client can select the charging pile and the corresponding electricity price strategy according to the chargeable state, so that the self-adaptive matching charging process of the vehicle to be charged is completed, pile selection confusion is reduced, and the user experience is enhanced.
The charging interaction system can be used for upper-layer decision making, and provides an interaction strategy of an electric pile load of a transformer with an operation risk by combining an operation condition and a user charging strategy, the client can be used for interaction between a client and a distribution network, uploading an electricity price strategy, receiving a master station preferential policy and making a selection, the charging control system receives and executes a command and the electricity price strategy issued by the charging interaction system and is used for carrying out accurate power cut and transmission operation on charging piles, the charging control system is connected with a plurality of transformers and a plurality of switches, each transformer is in electric signal connection with the corresponding switch, each switch is in electric signal connection with the corresponding plurality of charging piles, and the charging interaction system can be used for receiving charging pile operation current data uploaded by the charging piles, the electricity price strategy selected by the client, checking and studying basic data and judging the operation condition of the transformers, formulating and issuing the charging electricity price strategy, controlling the charging control system and adjusting transformation load.
It should be noted that the electricity price policy includes a normal electricity price policy, a fluctuating electricity price policy, a hosting electricity price policy, and an emergency electricity price policy, where the normal electricity price policy specifically includes: the charging electricity price is a constant a, namely when the customer selects the mode, the electricity price is a no matter charging in any time period; the fluctuating electricity price strategy is as follows: the charging electricity price changes along with the change of the voltage transformation load, wherein the electricity price b = mx + n, x is the transformer load, and m and n are both electricity price constants and change according to the power supply enterprise strategy; the hosting electricity price strategy is as follows: the customer selects the charging mode, namely, the customer completely accepts the load scheduling of a power supply company on the premise of ensuring that the electric vehicle is fully charged before the planned vehicle utilization, automatically arranges the charging time in a low power consumption time period and a low valley time period, and enjoys a lower electricity price c; the emergency electricity price strategy is as follows: the user who selects the non-mandate price of electricity strategy can start this price of electricity strategy when charging transformer load is higher than 90%, and through APP propelling movement give the user, give cheaper price of electricity and the time quantum of charging, guide the user to change the charging plan, encourage the customer to adjust voluntarily.
S307, issuing a charging control instruction to a charging control system according to a selection result of the user on the client;
and S308, the charging control system executes a charging control instruction to charge the automobile to be charged. According to the method, the charging interactive system is triggered by the 3D vision system to perform state recognition on the physical quantity information of each charging pile, so that an effective charging pile data set can be obtained, the 3D vision system can conveniently distribute the required charging piles for the automobile to be charged after the type of the automobile is recognized, each charging pile is bound with a corresponding electricity price strategy, a user can conveniently select a proper charging mode by combining the effective charging piles and the corresponding electricity price strategies, the automobile to be charged is charged under the selection result of the user, the electricity utilization requirements of a user side and a power supply side are favorably balanced, the reliability of the whole charging system is improved, and the experience degree of the user is enhanced.
The computer readable storage medium may be an internal storage unit of the device according to the foregoing embodiment, for example, a hard disk or a memory. The computer readable storage medium may be an external storage device of the apparatus, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. Further, the computer-readable storage medium may include both an internal storage unit and an external storage device of the above-described apparatus. The computer-readable storage medium is used for storing the computer program and other programs and data required by the apparatus. The above-described computer-readable storage medium may also be used to temporarily store data that has been output or is to be output.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program, which can be stored in a computer-readable storage medium, and can include the processes of the above embodiments of the methods when the computer program is executed. And the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are described herein by using specific embodiments, and the description of the above embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A method for controlling charging based on a charging pile is characterized by comprising the following steps:
the method comprises the steps that a 3D vision system based on a charging area collects first image data of an automobile to be charged and sends the first image data to a charging interaction system;
the charging interaction system triggers state recognition on physical quantity information of each charging pile based on the first image data to obtain an effective charging pile data set;
the charging interaction system triggers the 3D vision system to acquire second image data of the automobile to be charged;
the charging interaction system identifies the type of the automobile to be charged based on the second image data;
distributing required charging piles from the effective charging pile data set according to the automobile types;
the required charging pile and the corresponding electricity price strategy are issued to the client;
issuing a charging control instruction to a charging control system according to a selection result of a user on a client;
the charging control system executes a charging control instruction to charge the automobile to be charged;
the interactive system that charges triggers 3D vision system gathers the second image data of waiting to charge the car and includes:
the second image data is a 3D image of the automobile to be charged, and a whole automobile image of the automobile to be charged is extracted from the 3D image of the automobile;
extracting five images of a surface to be matched from the whole image of the automobile to be charged, wherein each image of the surface to be matched relates to the relevant characteristic parameters of the automobile to be charged;
the charging interaction system identifies the type of the automobile to be charged based on the second image data, and the identification comprises the following steps:
extracting five images of the surface to be matched;
respectively calculating the similarity of five region entropy values of the five surface images to be matched and each vehicle template image in a preset vehicle template library to obtain a plurality of results of the similarity of the five region entropy values;
and identifying a corresponding brand vehicle model in a preset vehicle template library according to the results of the similarity of the entropy values of the five regions, wherein the brand vehicle model is the type of the automobile to be charged.
2. The charging pile-based charging control method of claim 1, wherein the charging area-based 3D vision system acquiring first image data of a vehicle to be charged and sending the first image data to a charging interaction system comprises:
whether a charging area newly enters the automobile to be charged or not is identified based on the 3D vision system, the movement path of the automobile to be charged is identified, and if the movement path of the automobile accords with the movement path to be charged, the 3D vision system collects first image data of the automobile to be charged.
3. The charging pile-based charging control method according to claim 2, wherein the identifying whether a charging area newly enters a vehicle to be charged based on the 3D vision system and the identifying a movement path of the vehicle to be charged comprises:
acquiring video stream data of the charging area based on the 3D vision system;
detecting an automobile frame set to be charged from video stream data by a single-stage detection method;
and acquiring the movement track of the automobile to be charged in the three-dimensional geographic space through the automobile frame set to be charged, wherein the movement track is marked according to the time sequence.
4. The charging pile-based charging control method of claim 1, wherein the charging interaction system triggers state recognition of physical quantity information of each charging pile based on the first image data, and obtaining an effective charging pile data set comprises:
obtaining active power and reactive power of an alternating current side and active power of a direct current side on each charging pile;
performing state judgment on the states of the alternating current side, the direct current side and the direct current bus of each charging pile based on the active power, the reactive power and the active power of the direct current side to obtain effective charging piles in each charging pile;
and acquiring geographic position information corresponding to the effective charging piles in each charging pile, and forming an effective charging pile data set.
5. The charging pile-based charging control method according to any one of claims 1 to 4, wherein before issuing the required charging pile and the corresponding electricity price policy to the client, the method further comprises:
and establishing a communication link for the charging interactive system and the client, and acquiring a charging display map of a charging area where the charging interactive system is located.
6. The charging pile-based charging control method of claim 5, wherein the issuing of the required charging pile and the corresponding electricity price policy to the client comprises:
lighting a required charging pile in a charging display map to be in a chargeable state;
and acquiring an electricity price strategy corresponding to each charging pile in a lighting chargeable state, and generating an electricity price strategy label according to the position of each charging pile in the charging display map.
7. An electrical charging system, characterized in that the electrical charging system comprises:
the charging system comprises a 3D vision system, a charging interaction system and a charging management system, wherein the 3D vision system is used for acquiring first image data and second image data of an automobile to be charged and sending the first image data and the second image data to the charging interaction system;
the charging interaction system is used for receiving first image data acquired by the 3D vision system, and triggering the physical quantity information of each charging pile to perform state recognition based on the first image data to obtain an effective charging pile data set; after the effective charging pile data set is obtained, triggering a 3D vision system to acquire second image data of the automobile to be charged; identifying the type of the automobile to be charged based on the second image data; distributing required charging piles from the effective charging pile data set according to the types of the automobiles; the required charging pile and the corresponding electricity price strategy are issued to the client; issuing a charging control instruction to a charging control system according to a selection result of a user on a client;
the charging control system is used for executing a charging control command to charge the automobile to be charged;
the triggering the 3D vision system to acquire second image data of the automobile to be charged comprises: the second image data is a 3D image of the automobile to be charged, and a whole automobile image of the automobile to be charged is extracted from the 3D image of the automobile; extracting five images of a surface to be matched from the whole image of the automobile to be charged, wherein each image of the surface to be matched relates to the relevant characteristic parameters of the automobile to be charged;
the identifying the car type of the car to be charged based on the second image data includes: extracting five images of the surface to be matched; respectively calculating the similarity of five region entropy values of the five surface images to be matched and each vehicle template image in a preset vehicle template library to obtain a plurality of results of the similarity of the five region entropy values; and identifying a corresponding brand vehicle model in a preset vehicle template library according to the results of the similarity of the entropy values of the five regions, wherein the brand vehicle model is the type of the automobile to be charged.
8. The charging system of claim 7, further comprising: the charging system comprises more than one transformer, more than one switch and a plurality of charging piles, wherein a first transformer in the more than one transformer and a first switch in the more than one switch are connected with more than one charging pile in the plurality of charging piles; the charging system controls the charging state of the more than one charging pile through the first transformer and the first switch.
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