CN112348218A - Plug-and-play method, device and system based on visual detection system - Google Patents

Plug-and-play method, device and system based on visual detection system Download PDF

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Publication number
CN112348218A
CN112348218A CN202011364794.1A CN202011364794A CN112348218A CN 112348218 A CN112348218 A CN 112348218A CN 202011364794 A CN202011364794 A CN 202011364794A CN 112348218 A CN112348218 A CN 112348218A
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vehicle
charging
license plate
plug
pile
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邵祥生
陈健
朱亚锋
张�浩
王方龙
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Kemais New Energy Technology Co ltd
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Kemais New Energy Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/02—Reservations, e.g. for tickets, services or events
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0283—Price estimation or determination
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/243—Aligning, centring, orientation detection or correction of the image by compensating for image skew or non-uniform image deformations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/02—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems
    • G07B15/04—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems comprising devices to free a barrier, turnstile, or the like
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
    • G07F15/005—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity dispensed for the electrical charging of vehicles
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/10—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with alarm or warning devices, e.g. indicating the interrupting of the supply
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/55—Push-based network services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/08—Detecting or categorising vehicles

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Abstract

The invention relates to the field of charging piles, and particularly discloses a plug-and-charge method, which locks an appointed pile position through a visual detection module, unlocks the pile position after an appointed vehicle reaches the appointed pile position, identifies the face of the vehicle after the vehicle owner gets off the vehicle, obtains plug-and-charge authorization after the identification is passed, and starts plug-and-charge after the charging gun is detected to be inserted, so that the problem of potential safety hazard caused by the fact that the vehicle and the charging pile directly communicate through a CAN (controller area network) bus in the prior art is solved, and the problem of complex operation caused by the fact that a mobile phone APP is used as an authentication main body is solved.

Description

Plug-and-play method, device and system based on visual detection system
Technical Field
The invention relates to the field of charging piles, in particular to a plug-and-play charging method, a plug-and-play charging device and a plug-and-play charging system based on a visual detection system.
Background
The existing plug-and-charge scheme is as follows:
scheme 1. as shown in fig. 1, the vehicle end must provide the VIN code, but is limited by the current new energy vehicle and fill electric pile national standard GB requirement, and the vehicle and fill electric pile VIN code interaction CAN only be through CAN bus communication, and there is the hidden danger in data security, and information security CAN't guarantee.
Scheme 2. adopt cell-phone APP as the authentication main part, can avoid the information security problem, but lead to the operation flow loaded down with trivial details, counter-act with the original purpose of filling promptly immediately of inserting.
Disclosure of Invention
The invention provides a plug-and-charge method for solving the problems of potential safety hazard and complex operation of the existing plug-and-charge scheme, and can solve the problems of potential safety hazard and complex operation of plug-and-charge.
In order to solve the technical problems, the invention adopts the technical scheme that:
a plug-and-play method based on a vision inspection system, comprising:
selecting an idle charging pile for appointment charging through the APP;
receiving a charging reservation request, extracting vehicle characteristics, and acquiring ID information of a charging pile and a barrier gate;
the reservation success message is pushed and fed back to the client, and reservation duration and parking charge detail are reminded;
issuing an instruction to a visual detection module, and locking a pile position corresponding to the reserved charging request;
the method comprises the steps that a vehicle is reserved to run to a reserved pile position;
identifying the license plate number of the reserved vehicle, comparing the license plate number with the reserved charging request, and if the license plate information is matched, comparing whether the vehicle type information is consistent or not to prevent the fake-licensed vehicle from entering the pile position;
the reserved vehicle information passes verification, the barrier gate is opened, and the vehicle drives into the pile position;
after the vehicle owner gets off the vehicle, carrying out face recognition on the vehicle owner, and obtaining plug-and-charge authorization after the face recognition is passed;
and after the charging is finished, carrying out non-inductive settlement when the user leaves the stake position.
And further, whether an idle charging pile exists in the charging field is judged through the visual detection module.
Further, the identification method for preventing the fake-licensed vehicle comprises the following steps:
acquiring a license plate image and a vehicle image;
acquiring corresponding license plate information and vehicle type information in the reservation charging request;
extracting license plate information and vehicle characteristics;
and (4) carrying out combination comparison on the license plate, the vehicle type and the vehicle characteristics, and releasing the vehicle when the combination comparison verification is passed.
Furthermore, the method for extracting the vehicle features is to extract the edge of the specific part by using a canny operator and store the edge extraction data into a database.
Further, the vehicle features include lights, hubs, bumpers, air bars, and/or logos.
Further, the method for extracting the license plate information according to the acquired license plate image comprises the steps of correcting the license plate image, correcting the inclination of the license plate through Hough transformation and Radon transformation, extracting the horizontal edge of the license plate through setting an effective detection area of the license plate by using a self-adaptive Kirsch operator, then carrying out image processing on the license plate image, and extracting the corresponding license plate information.
Furthermore, extracting the no-frame license plate information according to the method for extracting the license plate information from the acquired license plate image, compensating the acquired license plate image through a Radon algorithm, carrying out projection change on an image matrix on a ray with a certain specified angle, enabling a straight line with high gray value in the image to form a bright point in a polar coordinate space, enabling a line segment with low gray value to form a dark point in the polar coordinate space, and converting the detection on the straight line into the detection on the bright point and the dark point.
The invention provides a plug-and-charge device for solving the problems of potential safety hazard and complex operation of the existing plug-and-charge scheme, and can solve the problems of potential safety hazard and complex operation of plug-and-charge.
A visual inspection system based plug-and-play device comprising:
the terminal is used for reserving charging;
the charging pile module comprises a 4G module and a pile cloud, the 4G module is connected with the charging pile and is communicated with the pile cloud, the pile cloud receives an appointment charging request, extracts vehicle characteristics, acquires ID information of the charging pile and a barrier gate, pushes an appointment success message to be fed back to a vehicle owner, and reminds an appointment reservation duration and parking charge detail;
the visual detection module receives the instruction of the pile cloud and locks a pile position corresponding to the charging reservation request, and the visual detection module comprises a license plate recognition unit and a safety monitoring unit, wherein the license plate recognition unit judges whether the arriving vehicle is consistent with the charging reservation vehicle, and the safety monitoring unit is used for face recognition to obtain plug-and-charge authorization;
and the charge settlement module is used for calculating the charging charge and carrying out non-inductive payment.
The invention provides a plug-and-charge system for solving the problems of potential safety hazard and complex operation of the existing plug-and-charge scheme, and can solve the problems of potential safety hazard and complex operation of plug-and-charge.
A visual inspection system based plug-and-play system comprising:
a first transmitting unit configured to transmit a reservation charging request;
the terminal comprises a receiving unit, a charging control unit and a charging control unit, wherein the receiving unit is used for receiving a terminal reserved charging request, and information of the reserved charging request comprises vehicle information;
the second sending unit is used for pushing the reservation success message to be fed back to the vehicle owner and reminding reservation duration and parking charge detail;
a vehicle identification unit for determining whether an arriving vehicle is consistent with a reserved charging vehicle;
the safety monitoring unit is used for face recognition and obtaining plug-and-charge authorization;
and the charge settlement unit is used for calculating the charging charge and carrying out non-inductive payment.
Compared with the prior art, the invention has the beneficial effects that:
1. the plug-and-charge method provided by the invention locks the reserved pile position through the visual detection module, when the reserved vehicle reaches the reserved pile position, the pile position is unlocked, the vehicle owner gets off the vehicle and then identifies the face of the person, after the identification is passed, the plug-and-charge authorization is obtained, and when the charging gun is detected to be inserted, the plug-and-charge is started, so that the problem of potential safety hazard caused by the fact that the vehicle and the charging pile directly communicate through a CAN bus in the prior art is solved, and the problem of complex operation caused by the fact that the mobile phone APP is adopted as an authentication main body is solved, and the plug-and-charge safety CAN be improved, and the operation flow CAN be simplified;
2. the plug-and-charge method provided by the invention can detect whether the pile position is in an idle state through the visual detection module, can solve the problem that the idle pile position is judged by mistake in the prior art, and can provide the accuracy of reserved charging.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating plug-and-play authentication in the prior art;
fig. 2 is a schematic diagram of plug-and-play authentication provided in an embodiment of the present invention;
fig. 3 is a flowchart of a plug-and-play method according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The invention provides a plug-and-charge method, which comprises the following steps:
selecting an idle charging pile for appointment charging through the APP;
receiving a charging reservation request, extracting vehicle characteristics, and acquiring ID information of a charging pile and a barrier gate;
the reservation success message is pushed and fed back to the client, and reservation duration and parking charge detail are reminded;
issuing an instruction to a visual detection module, and locking a pile position corresponding to the reserved charging request;
the method comprises the steps that a vehicle is reserved to run to a reserved pile position;
identifying the license plate number of the reserved vehicle, comparing the license plate number with the reserved charging request, and if the license plate information is matched, comparing whether the vehicle type information is consistent or not to prevent the fake-licensed vehicle from entering the pile position;
the reserved vehicle information passes verification, the barrier gate is opened, and the vehicle drives into the pile position;
after the vehicle owner gets off the vehicle, carrying out face recognition on the vehicle owner, and obtaining plug-and-charge authorization after the face recognition is passed;
and after the charging is finished, carrying out non-inductive settlement when the user leaves the stake position.
The plug-and-charge method provided by the invention locks the reserved pile position through the visual detection module, unlocks the pile position after the reserved vehicle reaches the reserved pile position, identifies the face of a person after the vehicle owner gets off the vehicle, obtains the plug-and-charge authorization after the person passes the identification, and starts the plug-and-charge after the charging gun is detected to be inserted, so that the problem of potential safety hazard caused by the fact that the vehicle and the charging pile directly communicate through a CAN bus in the prior art is solved, and the problem of complex operation caused by the fact that the mobile phone APP is adopted as an authentication main body is solved.
Furthermore, whether an idle charging pile exists in the charging field is judged through the visual detection module, the problem that misjudgment exists in the idle pile position in the prior art can be solved, and the reserved charging accuracy can be provided.
Further, the identification method for preventing the fake-licensed vehicle provided by the embodiment comprises the following steps:
acquiring a license plate image and a vehicle image;
acquiring corresponding license plate information and vehicle type information in the reservation charging request;
extracting license plate information and vehicle characteristics;
and (4) carrying out combination comparison on the license plate, the vehicle type and the vehicle characteristics, and releasing the vehicle when the combination comparison verification is passed.
Furthermore, the method for extracting the vehicle features is to extract the edge of the specific part by using a canny operator and store the edge extraction data into a database.
Further, the vehicle features include lights, hubs, bumpers, air bars, and/or logos.
Further, the method for extracting the license plate information according to the acquired license plate image comprises the steps of correcting the license plate image, correcting the inclination of the license plate through Hough transformation and Radon transformation, extracting the horizontal edge of the license plate through setting an effective detection area of the license plate by using a self-adaptive Kirsch operator, then carrying out image processing on the license plate image, and extracting the corresponding license plate information.
Furthermore, extracting the no-frame license plate information according to the method for extracting the license plate information from the acquired license plate image, compensating the acquired license plate image through a Radon algorithm, carrying out projection change on an image matrix on a ray with a certain specified angle, enabling a straight line with high gray value in the image to form a bright point in a polar coordinate space, enabling a line segment with low gray value to form a dark point in the polar coordinate space, and converting the detection on the straight line into the detection on the bright point and the dark point.
It should be noted that, in the embodiment, license plate information is acquired from a photographed license plate image, when the acquired license plate information is consistent with license plate information and vehicle type information input during vehicle owner registration, a vehicle is allowed to enter a corresponding pile position, pile positions of a fake-licensed vehicle are prevented, face recognition is required to be performed on the vehicle owner before charging is started, plug-and-play charging can be performed only after the face recognition is passed, and the fake-licensed vehicle is prevented from entering charging, so that economic loss is caused to an actual user.
Further, the plug-and-play method provided by the embodiment further includes searching a user-associated account according to the license plate information, determining whether the account balance meets the charging requirement of the customer, and if not, reminding the customer of charging in time.
Further, the cloud platform in this embodiment interacts information with the vehicle in real time, ensures that charging is normally carried out, and when charging abnormality is detected, charging is closed, and maintenance is waited for in a prompt manner.
Further, the cloud platform in this embodiment interacts information with the vehicle in real time to ensure that charging is performed normally, and when it is detected that the charging interruption time is less than 30s, the system automatically resumes charging, thereby preventing temporary charging interruption caused by an emergency, and charging can be performed only by re-authorization, which brings inconvenience to the user.
Further, in this embodiment, when the visual detection unit detects smoke, a charging stop instruction is issued immediately, so as to prevent further charging from causing greater harm.
The invention also provides a plug-and-play device, which applies the plug-and-play method, and comprises the following steps:
the terminal is used for reserving charging;
the charging pile module comprises a 4G module and a pile cloud, the 4G module is connected with the charging pile and is communicated with the pile cloud, the pile cloud receives an appointment charging request, extracts vehicle characteristics, acquires ID information of the charging pile and a barrier gate, pushes an appointment success message to be fed back to a vehicle owner, and reminds an appointment reservation duration and parking charge detail;
the visual detection module receives the instruction of the pile cloud and locks a pile position corresponding to the charging reservation request, and the visual detection module comprises a license plate recognition unit and a safety monitoring unit, wherein the license plate recognition unit judges whether the arriving vehicle is consistent with the charging reservation vehicle, and the safety monitoring unit is used for face recognition to obtain plug-and-charge authorization;
and the charge settlement module is used for calculating the charging charge and carrying out non-inductive payment.
The present embodiment further provides a plug-and-play system, which applies the above plug-and-play method, and the plug-and-play system includes:
a first transmitting unit configured to transmit a reservation charging request;
the terminal comprises a receiving unit, a charging control unit and a charging control unit, wherein the receiving unit is used for receiving a terminal reserved charging request, and information of the reserved charging request comprises vehicle information;
the second sending unit is used for pushing the reservation success message to be fed back to the vehicle owner and reminding reservation duration and parking charge detail;
a vehicle identification unit for determining whether an arriving vehicle is consistent with a reserved charging vehicle;
the safety monitoring unit is used for face recognition and obtaining plug-and-charge authorization;
and the charge settlement unit is used for calculating the charging charge and carrying out non-inductive payment.
In summary, the plug-and-charge method provided by this embodiment CAN solve the problem of potential safety hazard due to the fact that the vehicle and the charge pile directly communicate through the CAN bus in the prior art, and solve the problem of complex operation due to the fact that the mobile phone APP is used as the authentication main body.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware that is related to instructions of a program, and the program may be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (9)

1. A plug-and-play method based on a visual inspection system, comprising:
selecting an idle charging pile for appointment charging through the APP;
receiving a charging reservation request, extracting vehicle characteristics, and acquiring ID information of a charging pile and a barrier gate;
the reservation success message is pushed and fed back to the client, and reservation duration and parking charge detail are reminded;
issuing an instruction to a visual detection module, and locking a pile position corresponding to the reserved charging request;
the method comprises the steps that a vehicle is reserved to run to a reserved pile position;
identifying the license plate number of the reserved vehicle, comparing the license plate number with the reserved charging request, and if the license plate information is matched, comparing whether the vehicle type information is consistent or not to prevent the fake-licensed vehicle from entering the pile position;
the reserved vehicle information passes verification, the barrier gate is opened, and the vehicle drives into the pile position;
after the vehicle owner gets off the vehicle, carrying out face recognition on the vehicle owner, and obtaining plug-and-charge authorization after the face recognition is passed;
and after the charging is finished, carrying out non-inductive settlement when the user leaves the stake position.
2. The visual inspection system-based plug-and-play method according to claim 1, wherein the visual inspection module is used to determine whether there is an idle charging post in the charging field.
3. The visual inspection system based plug-and-play method of claim 1, wherein the identification method for preventing the fake-licensed vehicle comprises:
acquiring a license plate image and a vehicle image;
acquiring corresponding license plate information and vehicle type information in the reservation charging request;
extracting license plate information and vehicle characteristics;
and (4) carrying out combination comparison on the license plate, the vehicle type and the vehicle characteristics, and releasing the vehicle when the combination comparison verification is passed.
4. The visual inspection system-based plug-and-play method of claim 3, wherein the vehicle feature extraction method comprises extracting the edge of the specific portion using canny operator and storing the edge extraction data in the database.
5. The visual inspection system-based plug-and-play method of claim 3, wherein the vehicle features include a vehicle light, a wheel hub, a bumper, an air intake grill, and/or a emblem.
6. The vision detection system-based plug-and-play method according to claim 3, wherein the method for extracting license plate information from the acquired license plate image comprises the steps of correcting the license plate image, correcting the inclination of the license plate through Hough transformation and Radon transformation, extracting the horizontal edge of the license plate by setting the effective detection area of the license plate and using a self-adaptive Kirsch operator, and then performing image processing on the license plate image to extract corresponding license plate information.
7. The visual inspection system-based plug-and-play method of claim 6, wherein the method for extracting license plate information from the acquired license plate image comprises extracting borderless license plate information, compensating the acquired license plate image by Radon algorithm, and making projection change on a ray with a certain specified angle for an image matrix, so that a straight line with high gray value in the image forms a bright point in polar coordinate space, and a line segment with low gray value forms a dark point in polar coordinate space, and converting the detection of the straight line into the detection of the bright point and the dark point.
8. A plug-and-play device based on a visual inspection system, comprising:
the terminal is used for reserving charging;
the charging pile module comprises a 4G module and a pile cloud, the 4G module is connected with the charging pile and is communicated with the pile cloud, the pile cloud receives an appointment charging request, extracts vehicle characteristics, acquires ID information of the charging pile and a barrier gate, pushes an appointment success message to be fed back to a vehicle owner, and reminds an appointment reservation duration and parking charge detail;
the visual detection module receives the instruction of the pile cloud and locks a pile position corresponding to the charging reservation request, and the visual detection module comprises a license plate recognition unit and a safety monitoring unit, wherein the license plate recognition unit judges whether the arriving vehicle is consistent with the charging reservation vehicle, and the safety monitoring unit is used for face recognition to obtain plug-and-charge authorization;
and the charge settlement module is used for calculating the charging charge and carrying out non-inductive payment.
9. A plug-and-play system based on a visual inspection system, comprising:
a first transmitting unit configured to transmit a reservation charging request;
the terminal comprises a receiving unit, a charging control unit and a charging control unit, wherein the receiving unit is used for receiving a terminal reserved charging request, and information of the reserved charging request comprises vehicle information;
the second sending unit is used for pushing the reservation success message to be fed back to the vehicle owner and reminding reservation duration and parking charge detail;
a vehicle identification unit for determining whether an arriving vehicle is consistent with a reserved charging vehicle;
the safety monitoring unit is used for face recognition and obtaining plug-and-charge authorization;
and the charge settlement unit is used for calculating the charging charge and carrying out non-inductive payment.
CN202011364794.1A 2020-11-27 2020-11-27 Plug-and-play method, device and system based on visual detection system Pending CN112348218A (en)

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