阅读说明：本技术 一种充电桩的充电控制方法 (Charging control method of charging pile ) 是由 郭永亮 陈恢云 汝黎明 李有明 于 2019-04-19 设计创作，主要内容包括：本发明提供了一种充电桩的充电控制方法,包括以下步骤：车辆驶入停车区域,充电桩主控单元根据图像采集单元采集图像控制对应的地锁打开；充电主控单元控制充电单元解锁；用户连接充电单元与车辆,充电主控单元控制充电单元锁止,开始充电；计量单元实时检测充电电量；充电终止,充电主控单元控制充电单元断电,充电主控单元将信息通过通信单元发送给远程费控平台；用户选择现金、IC卡、扫码付费方式进行结算；付费完成后,充电单元解锁,用户断开充电单元与车辆的连接,充电单元锁止；车辆离开充电桩车位区域,相应的地锁关闭。该发明先充电后付费,精准付费,避免中途断电给用户带来损失,并且防非新能源车占位、防止充电设备被偷盗。(The invention provides a charging control method of a charging pile, which comprises the following steps: when a vehicle enters a parking area, the charging pile main control unit controls the corresponding ground lock to be opened according to the image collected by the image collecting unit; the charging main control unit controls the unlocking of the charging unit; the user is connected with the charging unit and the vehicle, and the charging main control unit controls the charging unit to lock and start charging; the metering unit detects the charging electric quantity in real time; when the charging is terminated, the charging main control unit controls the charging unit to be powered off, and the charging main control unit sends the information to the remote fee control platform through the communication unit; the user selects cash, IC card and code scanning payment mode to settle accounts; after payment is completed, the charging unit is unlocked, the user disconnects the charging unit from the vehicle, and the charging unit is locked; the vehicle leaves and fills electric pile parking stall region, and corresponding ground lock is closed. The charging device is charged firstly and then paid accurately, so that the loss of a user caused by midway power failure is avoided, the occupation of a non-new energy vehicle is prevented, and the charging device is prevented from being stolen.)

1. A charging control method of a charging pile is characterized in that the charging pile comprises a charging main control unit, a human-computer interaction interface, a communication unit, a metering unit, an image acquisition unit, a ground lock unit, a charging unit, an information reading unit and a coin identification unit, wherein the human-computer interaction interface, the communication unit, the metering unit, the image acquisition unit, the ground lock unit and the charging unit are connected with the charging main control unit through signal lines; the charging control method of the charging pile comprises the following steps:

step 1: the charging pile is unlocked, and the image acquisition unit acquires images of a parking area in real time; the method comprises the steps that a vehicle drives into a parking area to recognize a license plate, if the license plate type is a new energy license plate and is in accordance with pre-stored license plate information, recognition is successful, a corresponding ground lock unit is controlled to unlock, the vehicle successfully drives into a parking space, and meanwhile a charging main control unit receives a signal of unlocking a ground lock and sends an instruction to control a charging unit to unlock;

step 2: charging a charging pile, connecting a user with a charging unit and a vehicle, prompting charging through a human-computer interaction interface, sending an instruction to control the charging unit to lock by a charging main control unit after the user confirms charging, selecting a charging mode by the user, starting charging according to the set charging mode by the charging unit, detecting the charging electric quantity in real time by a metering unit, feeding charging information back to the charging main control unit, and displaying the charging information through the human-computer interaction interface;

and step 3: paying after charging is finished, wherein a user finishes charging according to a set charging mode or finishes sending a termination instruction according to the set charging mode to terminate charging, the charging main control unit controls the charging unit to be powered off, charging information is integrated, calculated and encrypted, the charging information is displayed through a human-computer interaction interface and is transmitted to a remote charging control platform through a communication unit, and the user selects a payment mode to settle accounts;

and 4, step 4: the charging pile is locked again, after payment is completed, the charging main control unit controls the unlocking of the charging unit, a user disconnects the charging unit from a vehicle, the charging main control unit controls the locking of the charging unit, the vehicle leaves, and after the image acquisition unit acquires information that the vehicle does not exist, the charging main control unit controls the locking of the corresponding ground locking unit.

2. The charging control method of the charging pile according to claim 1, wherein the charging main control unit adopts a CPLD controller, and controls unlocking/locking of the ground lock unit after analysis processing is performed by the received image acquisition unit; and after receiving and analyzing the information transmitted by the human-computer interaction interface, the information reading unit, the coin identification unit and the metering unit, controlling unlocking/locking of the charging unit and corresponding functions of power on/off and charging of the charging unit.

3. The charging control method of the charging pile according to claim 1, wherein the charging unit comprises a charging gun and an electrical module, the charging gun is connected with a vehicle, the charging main control unit sends a pulse signal to control unlocking and locking of the charging gun, and the charging main control unit controls the electrical module to charge the vehicle through the charging gun.

4. The charging control method of the charging pile according to claim 1, wherein the money identification unit comprises a paper money identifier and a coin identifier, receives and identifies money and transmits the denomination of the money to the charging main control unit, and realizes paper money identification, paper money change, coin identification and coin change.

5. The charging control method of the charging pile according to claim 1, wherein the code scanning payment is performed, the charging main control unit generates payment two-dimensional codes from payment information through an encryption algorithm and displays the payment two-dimensional codes on the human-computer interaction interface, the mobile terminal scans the payment two-dimensional codes on the human-computer interaction interface, the payment two-dimensional codes are communicated with a transaction center and perform payment, and the charging main control unit sends the payment information to the remote fee control platform after the payment is completed.

6. The charging control method of the charging pile according to claim 1, wherein the information reading unit adopts an IC card reader-writer, reads information on an IC card and transmits the information to the charging main control unit.

7. The charging control method for the charging pile according to claim 1, wherein the charging mode is a time charging mode, a capacity charging mode, or a fee charging mode.

8. The charging control method of the charging pile according to claim 3 or 7, characterized in that the electric module automatically cuts off the current when the charging pile is fully charged within a set time according to the time charging mode; when the electric module is not fully charged within the set time, the electric module automatically cuts off the current when the set time is reached.

9. The charging control method of the charging pile according to claim 3 or 7, characterized in that the electric module automatically cuts off the current when the charging pile is fully charged in the set electric quantity according to the electric quantity charging mode; when the set electric quantity is not fully charged, the electric module automatically cuts off the current when the set electric quantity is reached.

10. The charging control method of the charging pile according to claim 3 or 7, characterized in that the charging is performed according to a charge charging mode, and the electric module automatically cuts off the current when the charging pile is fully charged within a set charge; when the electricity is not fully charged in the set expense, the electric module automatically cuts off the current when the set expense is reached.

Technical Field

The invention relates to the technical field of charging pile control, in particular to a charging control method of a charging pile.

Background

With the increasingly excited contradiction between economic development and energy supply and environmental pollution, the problems of energy conservation, consumption reduction and reduction of dependence on fossil fuels become urgent needs to be solved in the continuous economic development of countries in the world. The electric automobile has the advantages of oil saving, environmental protection and high efficiency, and scientists and industries in various countries in the world generally consider the electric automobile to be an important clean vehicle in twenty-first century. Electric vehicle charging stations and charging networks are important infrastructures for large-scale and industrial development of electric vehicles.

At present, electric automobile charging facilities can be divided into three types of charging piles, charging stations and battery replacing stations. The charging pile can provide an alternating-current charging power supply for the electric passenger vehicle with the vehicle-mounted charger, has the characteristics of small floor area, flexible arrangement and the like, and plays an increasingly important role in China. People also carry out many aspects research to filling electric pile. The electric automobile that can let people convenient and fast charge in current electric pile, but this kind of electric pile that fills at present has following problem:

1) the card is required to be swiped for charging, and the card can not be used by users who do not handle the card or do not recharge in time;

2) charging according to time, paying first and then charging, wherein if charging fails or a user leaves during midway power failure, the excess money cannot return to an account, so that the loss of the user is caused;

3) the condition that the parking stall is occupied by the non-new energy car and the condition that the rifle of charging is stolen appear easily in the parking area of unmanned supervision.

Therefore, a novel charging control method needs to be invented, so that a user can conveniently and quickly charge, the user loss is reduced, and the method is also suitable for an unattended parking area.

Disclosure of Invention

In view of the above, the present invention is directed to a charging control method for a charging pile, which enables a user to charge conveniently and quickly, reduces unnecessary loss of money in a charging process of the user, and is suitable for unattended parking areas such as homes or service areas.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a charging control method of a charging pile comprises a charging main control unit, a human-computer interaction interface, a communication unit, a metering unit, an image acquisition unit, a ground lock unit, a charging unit, an information reading unit and a coin identification unit, wherein the human-computer interaction interface is connected with the charging main control unit through a signal line; the charging control method of the charging pile comprises the following steps:

step 1: the charging pile is unlocked, and the image acquisition unit acquires images of a parking area in real time; the method comprises the steps that a vehicle drives into a parking area to recognize a license plate, if the license plate type is a new energy license plate and is in accordance with pre-stored license plate information, recognition is successful, a corresponding ground lock unit is controlled to unlock, the vehicle successfully drives into a parking space, and meanwhile a charging main control unit receives a signal of unlocking a ground lock and sends an instruction to control a charging unit to unlock;

step 2: charging a charging pile, connecting a user with a charging unit and a vehicle, prompting charging through a human-computer interaction interface, sending an instruction to control the charging unit to lock by a charging main control unit after the user confirms charging, selecting a charging mode by the user, starting charging according to the set charging mode by the charging unit, detecting the charging electric quantity in real time by a metering unit, feeding charging information back to the charging main control unit, and displaying the charging information through the human-computer interaction interface;

and step 3: paying after charging is finished, wherein a user finishes charging according to a set charging mode or finishes sending a termination instruction according to the set charging mode to terminate charging, the charging main control unit controls the charging unit to be powered off, charging information is integrated, calculated and encrypted, the charging information is displayed through a human-computer interaction interface and is transmitted to a remote charging control platform through a communication unit, and the user selects a payment mode to settle accounts;

and 4, step 4: the charging pile is locked again, after payment is completed, the charging main control unit controls the unlocking of the charging unit, a user disconnects the charging unit from a vehicle, the charging main control unit controls the locking of the charging unit, the vehicle leaves, and after the image acquisition unit acquires information that the vehicle does not exist, the charging main control unit controls the locking of the corresponding ground locking unit.

Furthermore, the charging main control unit adopts a CPLD controller, and controls the unlocking/locking of the ground lock unit after the received image acquisition unit carries out analysis processing; and after receiving and analyzing the information transmitted by the human-computer interaction interface, the information reading unit, the coin identification unit and the metering unit, controlling unlocking/locking of the charging unit and corresponding functions of power on/off and charging of the charging unit.

Further, the charging unit include rifle, the electric module of charging, the rifle of charging be connected with the vehicle, the main control unit that charges sends the unblock and the locking of pulse signal control rifle of charging to the main control unit that charges controls the electric module and charges the vehicle through the rifle of charging. After the ground lock is unlocked, the charging main control unit sends a pulse signal to control the charging gun to be unlocked from the charging pile, a user connects the charging gun to a vehicle, after charging is confirmed, the charging main control unit sends a pulse signal to control the charging gun to be locked on the vehicle, charging is stopped, after the user pays, the charging main control unit sends a pulse signal to control the charging gun to be unlocked from the vehicle, the charging gun is placed back to the charging pile, and the charging main control unit sends a pulse signal to control the charging gun to be locked.

Preferably, the money identification unit comprises a paper money recognizer and a coin recognizer, receives and identifies money and conveys the denomination of the money to the charging main control unit, realizes paper money identification, paper money change, coin identification and coin change, and displays settlement information through a human-computer interaction interface.

Further, the code scanning payment process includes that the charging main control unit generates payment information into a payment two-dimensional code through an encryption algorithm and displays the payment two-dimensional code on the human-computer interaction interface, the mobile terminal scans the payment two-dimensional code on the human-computer interaction interface, communicates with the transaction center and pays, the charging main control unit sends the payment information to the remote fee control platform after payment is completed, and further the remote fee control platform receives transaction records uploaded by the charging main control unit and the payment information sent by the mobile terminal and is connected with the transaction center to verify the authenticity of the payment information.

Preferably, the information reading unit adopts an IC card reader-writer, and after the user inserts the IC card, the IC card reader-writer reads the information on the IC card and transmits the information to the charging main control unit, and displays settlement information through a human-computer interaction interface.

Furthermore, the charging mode is set to be charging according to time, electric quantity and cost.

Preferably, in the time charging mode, the electric module automatically cuts off the current when the charging is fully performed within a set time; when the electric module is not fully charged within the set time, the electric module automatically cuts off the current when the set time is reached.

Preferably, in the charging mode according to the electric quantity, the electric module automatically cuts off the current when the set electric quantity is fully charged; when the set electric quantity is not fully charged, the electric module automatically cuts off the current when the set electric quantity is reached.

Preferably, the charging is carried out according to a charge charging mode, and the electric module automatically cuts off the current when the charging is fully charged within the set charge; when the electricity is not fully charged in the set expense, the electric module automatically cuts off the current when the set expense is reached.

Furthermore, the charging termination mode comprises the charging termination after the charging mode is set, the charging termination is finished by sending a termination instruction after the charging mode is set, the charging termination is finished by sending the termination instruction after the charging mode is not finished according to the set charging mode, a user can set a corresponding charging mode according to the requirement of the electric quantity condition of the vehicle to wait for the charging process to be automatically terminated, and the charging pile can directly send the termination instruction on a human-computer interaction interface when an emergency situation occurs in the charging process and needs to leave or the charging pile breaks down, so that the charging is terminated without waiting.

Compared with the prior art, the charging control method of the charging pile has the following beneficial effects:

(1) according to the charging control method of the charging pile, a first-charging and then-paying mode is adopted, payment is carried out after charging is terminated and power is cut off, payment is accurate, and loss of money of a user caused by urgent need of interruption and leaving and sudden failure of the charging pile in the charging process of the user is avoided;

(2) according to the charging control method of the charging pile, the ground lock unit is adopted, so that a non-new energy vehicle is prevented from occupying a parking space with the charging pile, the charging unit has a locking function, a charging gun is prevented from being stolen, and the charging control method is suitable for unattended parking areas such as families or service areas;

(3) according to the charging control method of the charging pile, multiple payment modes such as code scanning, IC card and cash can be selected, and the payment requirements of users are greatly facilitated;

(4) the charging control method of the charging pile can select various charging modes according to time, electric quantity and cost, and is convenient for a user to charge according to the electric quantity state of the vehicle.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a block diagram of a charging pile according to an embodiment of the present invention;

fig. 2 is a step diagram of a charging process of the charging pile according to the embodiment of the invention;

fig. 3 is a diagram illustrating steps of charging, paying and disconnecting the charging unit from the vehicle after the charging unit is connected to the vehicle according to the embodiment of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The descriptions in this document referring to "first", "second", "upper", "lower", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," "upper," "lower," may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it is necessary that a person skilled in the art can realize the combination, and the technical solutions in the embodiments are within the protection scope of the present invention.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

A charging control method of a charging pile comprises the charging pile shown in figure 1, wherein the charging pile comprises a charging main control unit, a human-computer interaction interface, a communication unit, a metering unit, an image acquisition unit, a ground lock unit, a charging unit, an information reading unit and a coin identification unit, wherein the human-computer interaction interface is connected with the charging main control unit through a signal line; the charging main control unit adopts a CPLD controller, and controls the unlocking/locking of the ground lock unit after the received image acquisition unit carries out analysis processing; and after receiving and analyzing the information transmitted by the human-computer interaction interface, the information reading unit, the coin identification unit and the metering unit, controlling unlocking/locking of the charging unit and corresponding functions of power on/off and charging of the charging unit.

Further, the charging unit include rifle, the electric module of charging, the rifle of charging be connected with the vehicle, the main control unit that charges sends the unblock and the locking of pulse signal control rifle of charging to the main control unit that charges controls the electric module and charges the vehicle through the rifle of charging. After the ground lock is unlocked, the charging main control unit sends a pulse signal to control the charging gun to be unlocked from the charging pile, a user connects the charging gun to a vehicle, after charging is confirmed, the charging main control unit sends a pulse signal to control the charging gun to be locked on the vehicle, charging is stopped, after the user pays, the charging main control unit sends a pulse signal to control the charging gun to be unlocked from the vehicle, the charging gun is placed back to the charging pile, and the charging main control unit sends a pulse signal to control the charging gun to be locked.

Preferably, the money identification unit comprises a paper money recognizer and a coin recognizer, receives and identifies money and conveys the denomination of the money to the charging main control unit, realizes paper money identification, paper money change, coin identification and coin change, and displays settlement information through a human-computer interaction interface.

Preferably, the information reading unit adopts an IC card reader-writer, and after the user inserts the IC card, the IC card reader-writer reads the information on the IC card and transmits the information to the charging main control unit, and displays settlement information through a human-computer interaction interface.

As shown in fig. 2, the charging control method of the charging pile includes the following steps:

step 1: charging pile unlocking

1) When the vehicle enters, image acquisition and analysis: the image acquisition unit acquires images of a parking area in real time; the image acquisition unit finds that the vehicle enters a parking area, extracts license plate information, transmits the license plate information to the charging main control unit for license plate recognition, and judges the license plate information;

2) if the license plate type is a new energy license plate and is in accordance with the prestored license plate information, the recognition is successful, the charging main control unit controls the corresponding ground lock unit to unlock, the vehicle successfully drives into the parking space, and meanwhile, the charging main control unit receives a signal of unlocking the ground lock and sends an instruction to control the charging unit to unlock;

it should be noted that the license plate information needs to be entered by the user in advance, and can be entered through a human-computer interaction interface or be entered through a mobile terminal in advance through reservation, so that the vehicle information can be recognized in time when the user drives into the parking space.

Step 2: charging pile for charging

1) The charging main control unit sends an instruction to control the charging gun in the charging unit to be locked after the user confirms charging;

2) a user selects a charging mode on a human-computer interaction interface, and the charging unit starts charging according to the charging mode;

3) the metering unit detects the charging electric quantity in real time, feeds the charging information back to the charging main control unit and displays the charging information through a human-computer interaction interface;

and step 3: paying after charge termination

1) The charging main control unit controls the power-off of the electric module in the charging unit;

2) the charging main control unit integrates, calculates and encrypts charging information and starts the charging information to the remote fee control platform through the communication unit;

3) the expense information is displayed through a man-machine interaction interface, and meanwhile, a user selects a payment mode to settle;

and 4, step 4: fill electric pile and lock again

1) After payment is completed, the charging main control unit controls the charging gun in the charging unit to be unlocked from the vehicle, and a user disconnects the charging unit from the vehicle;

2) after the charging gun is reset, the charging main control unit sends a pulse signal to control the charging gun to be locked;

3) when the vehicle leaves, the image acquisition unit acquires that no vehicle exists, and the charging main control unit controls the corresponding ground lock unit to lock.

Further, the code scanning payment process includes that the charging main control unit generates payment information into a payment two-dimensional code through an encryption algorithm and displays the payment two-dimensional code on the human-computer interaction interface, the mobile terminal scans the payment two-dimensional code on the human-computer interaction interface, communicates with the transaction center and pays, the charging main control unit sends the payment information to the remote fee control platform after payment is completed, and further the remote fee control platform receives transaction records uploaded by the charging main control unit and the payment information sent by the mobile terminal and is connected with the transaction center to verify the authenticity of the payment information.

Furthermore, the charging termination mode comprises the charging termination after the charging mode is set, the charging termination is finished by sending a termination instruction after the charging mode is set, the charging termination is finished by sending the termination instruction after the charging mode is not finished according to the set charging mode, a user can set a corresponding charging mode according to the requirement of the electric quantity condition of the vehicle to wait for the charging process to be automatically terminated, and the charging terminal can directly send the termination instruction on a human-computer interaction interface when an emergency occurs or the charging pile fails so that the charging is terminated without waiting for the completion of the charging mode.

Preferably, the set charging mode includes a time charging mode, an electricity charging mode and a fee charging mode.

Furthermore, in the time charging mode, when the charging unit is fully charged within a set time, the charging unit automatically cuts off the current when the charging unit is fully charged; when the charging unit is not fully charged within the set time, the charging unit automatically cuts off the current when the set time is up.

Further, in the charging mode according to the electric quantity, when the set electric quantity is fully charged, the charging unit automatically cuts off the current when the set electric quantity is fully charged; when the charging unit is not fully charged within the set electric quantity, the charging unit automatically cuts off the current when the charging reaches the set electric quantity.

Further, when the charging is carried out according to a charge charging mode, and the charging unit is fully charged within the set charge, the charging unit automatically cuts off the current when the charging unit is fully charged; when the charging unit is not fully charged within the set charge, the charging unit automatically cuts off the current when the charging reaches the set charge.

In the embodiment shown in fig. 3, the charging mode, the payment mode and the process of separating the charging unit from the vehicle after the charging unit is connected to the vehicle are described.

Firstly, a charging gun in a charging unit is connected with a vehicle, charging is confirmed on a human-computer interaction interface, the charging gun in the charging unit is locked with the vehicle after confirmation, the human-computer interaction interface prompts selection of a charging mode, and three charging modes can be selected: according to a time mode, an electric quantity mode and a charge mode, selecting corresponding time, electric quantity and charge numerical values, sending a command to a charging main control unit by a human-computer interaction interface after reconfirming, controlling the charging unit to switch on current to charge the vehicle by the charging main control unit, displaying a charging state by the human-computer interaction interface, finishing charging according to a set mode under a normal condition, directly selecting a charging termination command on the human-computer interaction interface when a user emergency needs to finish charging in advance, controlling the charging unit to switch off the current after the charging main control unit receives the charging termination command, displaying a fault in the charging state when a charging pile is in fault, automatically sending the charging termination command by the human-computer interaction interface, controlling the charging unit to switch off the current by the charging main control unit, and displaying alarm information on the human-computer interaction.

The following situations of the charging termination after the charging is completed according to the setting mode are provided: when the charging unit is fully charged within a set time, the charging unit automatically cuts off the current when the charging unit is fully charged; when the charging unit is not fully charged within the set time, the charging unit automatically cuts off the current when the set time is up; when the charging unit is fully charged in the set electric quantity, the charging unit automatically cuts off the current when the charging unit is fully charged; when the set electric quantity is not fully charged, the charging unit automatically cuts off the current when the charging reaches the set electric quantity; when the charging unit is fully charged within the set cost, the charging unit automatically cuts off the current when the charging unit is fully charged; when the charging unit is not fully charged within the set charge, the charging unit automatically cuts off the current when the charging reaches the set charge.

Charging according to a set mode is not finished and a charging termination instruction is sent, and the charging termination condition comprises the following conditions: when the charging unit is not fully charged within a set time, the charging unit automatically cuts off the current; when the charging unit is not fully charged within the set time, the charging unit automatically cuts off the current when the set time is not reached; when the set electric quantity is not fully charged, the charging unit automatically cuts off the current; when the set electric quantity is not fully charged, the charging unit automatically cuts off the current when the charging does not reach the set electric quantity; when the charging unit is not fully charged within the set cost, the charging unit automatically cuts off the current; when the charging unit is not fully charged within the set charge, the charging unit automatically cuts off the current when the charging does not reach the set charge.

After charging is terminated, the human-computer interaction interface displays charging time and charging cost, and prompts a user to select a payment mode: cash mode, code scanning mode and IC card mode; in a cash mode, the money identification unit is a paper money recognizer, receives and identifies paper money and transmits the denomination of the paper money to the charging main control unit; the method comprises the steps that an IC card mode is used, an IC card reader-writer is adopted by an information reading unit, information on an IC card is read and transmitted to a charging main control unit; the charging main control unit generates payment two-dimensional codes through an encryption algorithm and displays the payment two-dimensional codes in the human-computer interaction interface, the mobile terminal scans the payment two-dimensional codes on the human-computer interaction interface through the camera, the payment two-dimensional codes are communicated with the transaction center and pay, the charging main control unit sends payment information to the remote fee control platform after payment is completed, and further the remote fee control platform receives transaction records uploaded by the charging main control unit and the payment information sent by the mobile terminal and is connected with the transaction center to verify the authenticity of the payment information.

After the payment is finished, the man-machine interaction interface displays that the payment is successful, the charging main control unit controls the charging gun in the charging unit to unlock, the charging gun is disconnected from the vehicle, and if the payment is not finished, the payment mode is reselected for payment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.