CN114407712A - Charging method and system based on vehicle identity recognition - Google Patents
Charging method and system based on vehicle identity recognition Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- 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
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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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
- B60L53/66—Data transfer between charging stations and vehicles
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/70—Interactions with external data bases, e.g. traffic centres
- B60L2240/72—Charging station selection relying on external data
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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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- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The invention provides a charging method and a charging system based on vehicle identity recognition.A charging service platform receives reservation information, wherein the reservation information comprises reservation service station position information, reservation charging pile information, reservation vehicle predicted arrival information and charging time information; the charging service platform sends the reservation information to the corresponding charging service station according to the position information of the service station, and the charging pile identifies the reserved vehicle and accurately positions the vehicle; after the appointed vehicle reaches the charging range of the appointed charging pile, the charging service station timely opens the charging authority of the appointed charging pile according to the appointed charging pile information. The invention can accurately identify and position the charging vehicles so as to disconnect the charging task of the front vehicle in time, enable the charging pile to be idle so as to be convenient for the rear vehicle to use, enable the front vehicle and the rear vehicle to be capable of being seamlessly connected to charge in a peak period, shorten the alternating time of the two vehicles and improve the utilization rate of the charging pile.
Description
Technical Field
The invention relates to the technical field of charging of new energy automobiles, in particular to a charging method and system based on vehicle identity recognition.
Background
Along with the development of battery technology, new energy automobile's application becomes more and more extensive, can drive new energy automobile high-speed usually, consequently can set up a plurality of public charging service stations along the way on the highway, is provided with a large amount of electric pile that fill in the charging service station, makes things convenient for the incoming and outgoing vehicle to charge. However, because the number of new energy vehicles on the highway is large, especially in holidays, the number of charging vehicles is multiplied, but the existing charging method needs to drive the vehicles to the front of the charging pile, operate on the charging pile, charge the vehicles after payment is completed, and waste a large amount of time, so that a method and a system capable of accurately identifying the vehicles are needed, the position condition of the vehicles in a service station can be accurately identified and positioned, when the positions of the vehicles meet the charging condition, the charging permission of the charging pile can be opened in advance, and the vehicles can be charged immediately after getting off and charging robbery is taken down, so that the charging time is saved, and the utilization rate of the charging pile is improved.
Disclosure of Invention
In view of the above, the present invention provides a charging method based on vehicle identity recognition, which can accurately recognize and position a charging vehicle, so as to disconnect the charging task of a preceding vehicle in time, leave a charging pile vacant to facilitate use of a following vehicle, enable the two vehicles to be charged in a seamless manner in a peak period, shorten the time for the two vehicles to alternate, and improve the utilization rate of the charging pile.
The invention provides a system for realizing the method, a user can reserve charging in advance, and after a vehicle moves to a charging range of a reserved charging pile, the reserved charging pile is controlled to open the charging authority, so that the charging time is saved.
In order to solve the technical problems, the invention adopts the technical scheme that:
a charging method based on vehicle identification comprises the following steps that a charging service platform receives reservation information, wherein the reservation information comprises reservation service station position information, reservation charging pile information, reservation vehicle predicted arrival information and charging time information;
the charging service platform sends the reservation information to the corresponding charging service station according to the position information of the service station, and the charging pile identifies the reserved vehicle and accurately positions the vehicle;
after the appointed vehicle reaches the charging range of the appointed charging pile, the charging service station timely opens the charging authority of the appointed charging pile according to the appointed charging pile information.
Furthermore, the charging service platform is connected with a satellite positioning system for providing a service station map, the service station map comprises a layout map of the expressway, service station positions are marked on corresponding positions on the layout map to generate an appointment map, and the appointment map is convenient for a user side to select a proper service station for appointment.
Furthermore, a certain position in the service station is set as a central coordinate, the distance and the angle between the charging pile and the central coordinate are measured to generate the charging pile position information of the service station, and the distribution condition of the charging pile and the actual distance between the charging piles are conveniently acquired.
Furthermore, a modeling unit for constructing a service station model is additionally arranged in the charging service platform, and the service station model is convenient for a user to visually determine the position of the charging pile;
acquiring distance data and angle data from the charging pile to a center coordinate according to the charging pile position information; and constructing a substrate according to the central coordinate, placing a charging pile at a corresponding position of the substrate according to the distance data and the angle data, and generating an equal-proportion service station model.
Furthermore, the reservation information comprises online reservation information reserved through APP and offline reservation information reserved through scanning of two-dimensional codes on the charging piles;
the offline reservation information only comprises reserved charging time length information and reserved vehicle information, the charging time length information comprises a buffering time period for providing alternate vehicle passing of vehicles, and the charging time period is behind the buffering time period.
Further, the reserved vehicle information includes a model number of the vehicle used for estimating the longest charging time of the vehicle and an on-vehicle wireless device number used for identifying the vehicle;
the wireless equipment number comprises a vehicle-mounted WiFi number and a vehicle-mounted Bluetooth number with large attenuation coefficients.
Furthermore, the charging service platform pre-estimates idle time periods of different charging piles according to the charging time length information, the vehicle models and corresponding reserved charging pile information, the user side selects the charging piles according to the idle time periods corresponding to the service station models, and submits the reserved vehicle information and the charging time length information to complete reservation, and the charging service platform automatically generates reserved vehicle predicted arrival information, service station position information and reserved charging pile information.
Further, the positioning process: each charging pile detects a wireless signal according to the wireless equipment number of the reserved vehicle and acquires the signal intensity;
the method comprises the steps of obtaining distance data between two charging piles and obtained signal intensity data at will, calculating the distance from a vehicle to the two charging piles, and initially positioning the vehicle; and calculating the distances from the reserved vehicle to other charging piles by using the same method, and checking the position of the vehicle for multiple times.
Further, the charging method comprises a real-time charging mode: after the charging authority of the charging pile is closed, receiving information of opening a real-time charging mode, judging whether wireless signal data of a reserved vehicle is detected, and if not, opening the charging authority of the charging pile again to continue charging the vehicle;
if so, judging whether the charging pile information corresponding to the wireless signal data and the arrival information of the reserved vehicle coincide with the current time, if so, continuing to disconnect the charging authority of the charging pile and waiting for the reserved vehicle to enter a charging range; and if not, opening the charging authority of the charging pile again, and continuing to charge the vehicle.
The system further comprises a charging service platform for charging reservation, wherein the charging service platform comprises a central control unit which is respectively arranged in each service station, and the central control unit comprises a communication module for data intercommunication with the charging service platform, a plurality of wireless modules for identifying wireless signals of reserved vehicles and acquiring signal strength, a plurality of execution modules for controlling actions of charging piles and a processing module for receiving data of the wireless modules and data intercommunication with the execution modules.
The invention has the advantages and positive effects that:
the charging station comprises a charging service platform, a charging station position information and a central control unit, wherein the charging service platform sends reservation information to the corresponding central control unit through the service station position information in the reservation information, the central control unit comprises a wireless module, each charging pile in the service station is provided with the wireless module, the reservation information comprises a wireless equipment number, the wireless module identifies a vehicle according to the wireless equipment number, simultaneously acquires signal strength, calculates the distance from the vehicle to the charging pile according to the signal strength, accurately positions the vehicle according to the distance from the vehicle to different charging piles, and when the vehicle moves into a charging area of the reserved charging pile, the central control unit automatically controls the charging pile to open charging permission, and a vehicle owner gets off the charging robbery and can immediately charge the vehicle, the charging time is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is an overall structural diagram of a charging system based on vehicle identification according to 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the present invention provides a charging method and system based on vehicle identification, wherein the system includes a user terminal and a charging service platform, the user terminal is usually a mobile phone or other mobile communication device of a vehicle owner, and the charging service platform is used for providing location information of a service station, the number of charging piles in the service station and the idle condition of the charging piles, so that the user terminal can select an appropriate time period and reserve the charging piles. The vehicle owner accesses the charging service platform through the mobile phone, selects a service station in the charging service platform, submits the time of arriving at the service station, the reserved charging pile, the charging time and the vehicle information, and finishes reservation of the charging pile.
The charging service platform is connected with a satellite positioning system, the satellite positioning system is used for providing and updating a service station map in real time, and a data processing terminal used for storing and processing the service station map is arranged in the charging service platform. The data processing terminal extracts the expressway layout map and the service station coordinate data on the service station map, marks the service station position on the expressway layout map according to the service station map, generates the reservation map, and is convenient for the user side to select a proper service station on the reservation map for reservation.
The acquisition process of the position information of the charging pile is as follows: and setting a point in the service station as a central coordinate point, obtaining distance data and direction data from all charging piles to the central coordinate point through measurement, and leading the distance data and the direction data into a processing module. And the processing module generates coordinate information of each charging pile according to the distance data and the direction data, and the coordinate information of all the charging piles in the service station jointly forms charging pile position information. Generally, a certain charging pile in a service station is defined as a central coordinate point, when a worker installs a central control unit in the service station, distance information and angle data are measured by a measuring tool and are led into an execution module, and the execution module automatically generates coordinate information of the charging pile.
The data processing terminal is additionally provided with a modeling unit, and the modeling unit is used for constructing a service station model in equal proportion according to the distribution condition of the charging piles in the service station, so that a user can visually determine the position of the charging pile. The modeling unit acquires the position information of the charging pile and extracts distance data and angle data from the charging pile to a center coordinate. The distance data and the angle data jointly generate coordinate data of the charging piles, the charging piles can be automatically named according to the coordinate data of the charging piles, so that the positions of the charging piles are rapidly located through the names of the charging piles, the positions of the charging piles are all different, and the names of the charging piles in the same service station are not protected.
And constructing a base plate by taking the central coordinate as a circle center, determining the position of the charging pile on the base plate according to the distance data and the angle data, and placing an easy-charging pile model at the position to generate an equal-proportion service station model. The unified processing of the charging pile model is realized to realize the simple modeling of the service station, the modeling speed can be accelerated, and the user observation of the layout condition of the charging pile is not influenced.
The user side selects the service station to be charged on the reservation map, clicks the icon, and automatically pops up the service station model, so that a vehicle owner can know the layout condition of the charging pile in a three-dimensional and visual mode, the user can conveniently find the charging pile corresponding to the reservation after arriving at the service station, and the charging efficiency is improved. And after the charging pile is selected and reserved on the service station model, acquiring the coordinate data of the service station and the name data of the charging pile, generating position information of the service station and reserving the charging pile.
In order to conveniently acquire the service condition of each charging pile in each service station, a central control unit is installed in each service station and used for receiving the charging service platform information, identifying and positioning the reserved vehicle and controlling the charging pile to open the charging authority or close the charging authority in time; also can receive every and fill electric pile working condition information, give the charging service platform in the transmission to the working condition that electric pile is filled in the convenient charging service platform control, the idle period of stake of pre-estimating is convenient for on-line reservation.
The vehicle information comprises the model of the automobile and the number of the wireless device, when the automobile makes an appointment on line, the charging time can be correspondingly modified according to the actual charging condition of the automobile, the longest charging time of the automobile can be estimated through the model of the automobile by the charging service platform, the idle time period of the charging pile can be estimated conveniently, and the idle time period of the charging pile can be selected on a user side line conveniently to make an appointment. But through wireless device number accurate positioning vehicle in service station position to in time open the charging authority that corresponds and fill electric pile, after the vehicle removed the chargeable within range that the reservation filled electric pile, the car owner can directly take off the rifle that charges and charge for the car can, improve charge efficiency.
The central control unit comprises a processing module for data, the processing module is respectively connected with an execution module for controlling the action of the charging pile and a wireless module for wirelessly connecting with a vehicle, and the processing module is also connected with a communication module for realizing data transmission between the central control unit and the charging service platform. The processing module is used for receiving data sent by the charging service platform so as to control the wireless module and execute the module action. The wireless module is used for detecting and connecting wireless signals of the vehicle, identifying the reserved vehicle according to the wireless device number, acquiring the intensity value of the wireless signals and the charging condition of the vehicle, determining the distance of the vehicle according to the signal intensity, and determining whether the reserved vehicle is being charged according to the charging condition.
After the charging service platform acquires the reservation information, the charging service platform sends the reservation information to a central control unit in the corresponding service station according to the service station position information (the reservation information comprises service station position information, reserved charging pile information, reserved vehicle arrival information and charging duration information). The communication module receives the reservation information and transmits the reservation information to the processing module, the wireless module is started by the processing module, and the wireless module accurately positions the vehicle position according to the vehicle information so as to timely determine the vehicle arrival condition and determine whether the vehicle parking position meets the charging requirement. When detecting that the measurement stop position satisfies the requirement of charging, open the charge permission of the stake of charging of being ordered, make things convenient for the car owner directly to charge.
For the position condition of accurate acquisition vehicle, the storage has every charging pile position information who fills electric pile in corresponding service station in the processing module, all installs the execution module that is used for controlling the action of filling electric pile and the wireless module that is used for discernment signal and obtains signal strength simultaneously on every charging pile. And each wireless module on each charging pile detects a wireless signal according to the wireless equipment number of the reserved vehicle and acquires the signal intensity.
The distance data between the two charging piles and the acquired signal intensity data are acquired at will, the distance from the vehicle to the two charging piles is calculated, the position of the vehicle can be preliminarily positioned, the distance from the reserved vehicle to other charging piles can be calculated for many times by using the same method for improving the positioning accuracy of the vehicle, and the vehicle position is verified and checked for many times so as to realize accurate positioning of the vehicle. Fill electric pile quantity more, the position is more accurate.
The wireless device number can be vehicle-mounted WiFi name and vehicle-mounted Bluetooth name, because the coverage of WiFi signals and Bluetooth is ten meters, and the attenuation coefficient is big, realizes the location in a small range, and the effect that the positioning accuracy is high simultaneously. When the reserved vehicle reaches the range of ten meters around the service station, the wireless module in the service station detects the reserved wireless equipment number and sends the signal strength of the wireless equipment number to the processing module in real time, the processing module monitors the moving condition of the vehicle, and when the vehicle moves to the charging range of the charging pile reserved by the vehicle, the processing module controls the execution module to open the charging authority of the charging pile, so that charging is facilitated. After charging, the execution module transmits the charging degree of the charging pile to the processing module, the processing module transmits the charging degree to the charging service platform through the communication module, the charging service platform calculates the payment amount according to the acquired charging degree and price and sends the payment amount to the user side, and the user side completes payment.
After the vehicle moved the charging range of reservation charging pile in back (domestic electric motor car length is no longer than three meters, therefore under the normal conditions, set for the range for four meters within ranges around charging pile, also can set for according to the parking stall angle), processing module sent the execution module with the feedback, execution module control corresponds and fills electric pile and in time open the permission of charging, and the user directly takes off to charge and robbes and can charge, improves charge efficiency.
In order to effectively improve the utilization rate of the charging pile, the reservation method of the charging pile comprises a wired reservation charging method and an offline reservation charging method, online reservation is realized by submitting online reservation information on line through a charging service platform by a vehicle owner, offline reservation is realized by submitting offline reservation information through a two-dimensional code on the charging pile directly scanned by the vehicle owner, and reservation of the charging pile is completed. The offline reservation information includes charging period information (the charging period is from one time point to another, for example, 13.30 to 15.00 is one piece of charging period information) and reserved vehicle information. The online reservation information comprises service station position information, reserved charging pile information, reserved vehicle arrival information and charging duration information.
The central control unit acquires the reservation condition of the charging pile offline and sends the offline reservation information to the charging service platform, so that a user can check the use and reservation conditions of the charging pile in different service stations through the charging service platform conveniently. In normal use, the charging time is too close to avoid charging time in front and back two adjacent charging time periods, the vehicle is staggered and takes longer time, the charging time is shortened, and the charging of the vehicle is influenced frequently. Therefore, the buffer period (usually set to 5 to 10 minutes) is added at the front end of the charging period. In order to improve the flexibility of charging, the charging end time can be delayed by the charging user side through the mobile phone, and the end time cannot reach the buffer time period of the next reserved time period (the time for a vehicle to get wrong is reserved, and the method is suitable for the situation that the vehicle arrives on time or in advance).
In actual use, the vehicle can arrive early or late due to a plurality of uncertain factors, and in order to ensure that charging can be orderly carried out in the charging peak period, the charging flexibility is improved. The user who is charging can open the real-time charging mode through the cell-phone: the central control unit detects the wireless equipment number information of the reserved vehicle, acquires whether the charging pile information and the reserved vehicle arrival information of the vehicle coincide with the current time (judges whether the vehicle arrives at a service station in advance) according to the wireless equipment number, does not coincide (arrives in advance), starts the charging authority of the charging pile again, does not start the charging authority of the charging pile if the charging pile information and the reserved vehicle arrival information coincide (arrives on time or arrives at a delayed time), and simultaneously sends information or sends audio to remind the charging vehicle to leave as soon as possible, so that the reserved vehicle can be charged in time conveniently.
If the current vehicle finishes charging and pulls out the charging robbery, the next vehicle for reservation still does not arrive (too long late time), other vehicles can start the real-time charging mode to charge the vehicle temporarily by scanning the two-dimensional code on the charging pile (namely, a short queue is inserted, and after the wireless signal of the vehicle for reservation is detected, the charging pile immediately finishes charging to wait for the vehicle for reservation to arrive at the charging range of the charging pile for reservation). Avoid appearing the reservation vehicle and not arrive in time, fill electric pile and appear idle.
For further assurance vehicle identification's accuracy, not too much with trading simultaneously fill electric pile exterior part, when filling electric pile and charging, be connected wireless module and on-vehicle wireless device, and obtain the volume of going to electricity access right, robbing when will charging and be connected with the vehicle, fill electric pile and begin the back of charging, well accuse unit is incessant many times the electric quantity condition of monitoring vehicle, when the electric quantity has and lasts to rise, charge cyclic annular and continue to charge, if appear when the electric quantity reduces, stop charging immediately, and the user end is reminded to the wind SMS, avoid in the charging process, other car owners remove to charge robbed, charge for own vehicle.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. A charging method based on vehicle identification is characterized by comprising the following steps that a charging service platform receives reservation information, wherein the reservation information comprises reservation service station position information, reservation charging pile information, reservation vehicle predicted arrival information and charging time information;
the charging service platform sends the reservation information to the corresponding charging service station according to the position information of the service station, and the charging pile identifies the reserved vehicle and accurately positions the vehicle;
after the appointed vehicle reaches the charging range of the appointed charging pile, the charging service station timely opens the charging authority of the appointed charging pile according to the appointed charging pile information.
2. The charging method based on vehicle identification as claimed in claim 1, wherein the charging service platform is connected to a satellite positioning system for providing a service station map, the service station map comprises a layout map of a highway, and a reservation map is generated by marking a service station position on a corresponding position on the layout map.
3. The charging method based on the vehicle identity recognition as claimed in claim 1, wherein a position in the service station is arbitrarily set as a center coordinate, and the distance and the angle between the charging piles and the center coordinate are measured to generate the charging pile position information of the service station, so as to obtain the distribution of the charging piles and the actual distance between the charging piles.
4. The charging method based on vehicle identity recognition according to claim 3, wherein a modeling unit for constructing a service station model is added in the charging service platform, and the service station model facilitates a user to visually determine the position of the charging pile;
acquiring distance data and angle data from the charging pile to a center coordinate according to the charging pile position information; and constructing a substrate according to the central coordinate, placing a charging pile at a corresponding position of the substrate according to the distance data and the angle data, and generating an equal-proportion service station model.
5. The charging method based on the vehicle identification as claimed in claim 1, wherein the reservation information includes online reservation information reserved by APP and offline reservation information reserved by scanning two-dimensional code on the charging pile;
the offline reservation information only comprises reserved charging time length information and reserved vehicle information, the charging time length information comprises a buffering time period for providing alternate vehicle passing of vehicles, and the charging time period is behind the buffering time period.
6. The charging method based on vehicle identification according to claim 5, wherein the reserved vehicle information includes a model number of the vehicle used for estimating the longest charging time of the vehicle and an on-board wireless device number used for identifying the vehicle;
the wireless equipment number comprises a vehicle-mounted WiFi number and a vehicle-mounted Bluetooth number with large attenuation coefficients.
7. The charging method based on vehicle identity recognition of claim 5, wherein the charging service platform predicts idle time periods of different charging piles according to charging time information, vehicle models and corresponding reserved charging pile information, the user side selects the charging pile according to the idle time period corresponding to the service station model and submits reserved vehicle information and charging time information to complete reservation, and the charging service platform automatically generates reserved vehicle predicted arrival information, service station position information and reserved charging pile information.
8. The vehicle identification based charging method according to claim 1, wherein the positioning process comprises: each charging pile detects a wireless signal according to the wireless equipment number of the reserved vehicle and acquires the signal intensity;
the method comprises the steps of obtaining distance data between two charging piles and obtained signal intensity data at will, calculating the distance from a vehicle to the two charging piles, and initially positioning the vehicle; and calculating the distances from the reserved vehicle to other charging piles by using the same method, and checking the position of the vehicle for multiple times.
9. The charging method based on vehicle identification as claimed in claim 1, wherein the charging method comprises a real-time charging mode: after the charging authority of the charging pile is closed, receiving information of opening a real-time charging mode, judging whether wireless signal data of a reserved vehicle is detected, and if not, opening the charging authority of the charging pile again to continue charging the vehicle;
if so, judging whether the charging pile information corresponding to the wireless signal data and the arrival information of the reserved vehicle coincide with the current time, if so, continuing to disconnect the charging authority of the charging pile and waiting for the reserved vehicle to enter a charging range; and if not, opening the charging authority of the charging pile again, and continuing to charge the vehicle.
10. The vehicle identity recognition-based charging system according to any one of claims 1 to 9, comprising a charging service platform for charging reservation, wherein the charging service platform comprises a central control unit respectively arranged in each service station, and the central control unit comprises a communication module for communicating with the charging service platform, a plurality of wireless modules for recognizing wireless signals of reserved vehicles and acquiring signal strength, a plurality of execution modules for controlling actions of charging piles, and a processing module for receiving wireless module data and communicating with the execution modules.
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