CN107458246B - Intelligent charging method for direct-current charging pile - Google Patents

Intelligent charging method for direct-current charging pile Download PDF

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Publication number
CN107458246B
CN107458246B CN201710634298.5A CN201710634298A CN107458246B CN 107458246 B CN107458246 B CN 107458246B CN 201710634298 A CN201710634298 A CN 201710634298A CN 107458246 B CN107458246 B CN 107458246B
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charging
interface
button
card
user
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CN107458246A (en
Inventor
王国良
田占军
李伟元
刘伟强
李�杰
张克温
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Aia Electric Pinghu Co ltd
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Aia Electric Pinghu Co ltd
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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
    • B60L53/665—Methods related to measuring, billing or payment
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T90/14—Plug-in electric vehicles
    • 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

Abstract

The invention discloses an intelligent charging method of a direct current charging pile, which comprises the steps of monitoring the initial state of the charging pile, selecting a charging mode, displaying a charging process, judging card swiping information and balance information, and immediately stopping charging and sending an abnormal signal if overvoltage/undervoltage, overcurrent/undercurrent, insulation faults, communication faults, card reader faults, charging gun connection faults, surge faults and the like occur in the charging process of the charging pile. The charging method of the direct current charging pile has multiple protection functions of direct current output overvoltage, undervoltage, short circuit, over-temperature and the like, can realize intelligent charging of the direct current charging pile, ensures the safety and stability of the working state of the charging pile, not only shortens the supply of multiple charging modes, but also can shorten the charging time compared with the common direct current charging pile of the electric vehicle, and can protect the storage battery of the electric vehicle.

Description

Intelligent charging method for direct-current charging pile
Technical Field
The invention relates to an electric automobile charging method, in particular to an intelligent charging method of a direct current charging pile.
Background
As a trend of future development, an important reason for the electric vehicle, which currently hinders its popularization, is the construction of charging piles. Yet another important reason is the electric vehicle charging time. The existing charging modes are divided into two types, one is an alternating current charging mode, and the other is a direct current charging mode. The direct current charging mode can output DC400-600V heavy current to directly charge the automobile storage battery, and compared with the alternating current charging mode, the direct current charging mode can shorten the charging time, so that the direct current charging mode is popular with customers. The electric pile that adopts at present fills the electric pile because the charging process of the high-pressure heavy current of direct current electric pile output can often appear the condition of main circuit control contact sintering, under emergency or after the completion of charging, the condition of breaking the main circuit can damage the electric automobile battery to danger can appear.
Disclosure of Invention
The invention aims to provide an intelligent charging method for a direct-current charging pile, which can ensure that the charging process is safer when a direct-current charging mode is used for charging an automobile.
In order to solve the technical problem, the invention aims to realize that: the invention relates to an intelligent charging method of a direct current charging pile, which comprises the following steps,
(1) initial state of direct current fills electric pile: the charging pile is connected wrongly, when the monitoring host is started, the power indicator lamp is in a light state, the touch screen displays a welcome interface, and the welcome interface displays inquiry and charging options; the user can enter a query interface by clicking for query, and can query account information and balance information in the user card after the user swipes the card and display the account information and the balance information on the touch screen;
(2) selecting a charging option and entering a charging option interface; the charging option interface prompts card swiping operation in a charging pile card swiping area; if the card swiping operation is carried out in the card swiping area, entering a charging mode selection interface, and reading user information and account balance information by the charging pile; the device also has an exit button, and if an exit option is selected, a welcome interface is returned;
(3) the interface displays four modes of charging according to money amount, charging according to electric quantity, charging according to time and fully charging a battery, and a user selects a corresponding charging mode to enter a corresponding operation interface; the system also comprises a return button and an exit button, wherein the return button is selected to return to the previous interface, and the exit button is selected to return to the welcome interface;
(4) entering a charging interface, wherein the charging interface comprises a card swiping area prompting area and an exit button; the card swiping area prompt area displays and prompts a customer to perform the card swiping operation in the charging pile card swiping area, and a charging gun is inserted into an automobile charging socket for charging; after a user swipes a card, the direct current charging pile intelligent charging system enters a self-checking state, if the charging gun is not connected successfully, the fact that the charging gun is not connected is displayed, and the user is prompted to check the charging gun; pressing the quit button can return to the previous interface;
(5) entering a vehicle charging process interface, displaying a charging progress bar, displaying a charging mode, starting time, battery electric quantity, input voltage, input current, direct current charging voltage and direct current charging current, and displaying pre-charging amount, pre-charging electric quantity, charged amount and charged electric quantity according to different charging modes; a charging ending button is arranged in the interface of the vehicle charging process, and a user can press the button to end charging and enter a settlement interface;
(6) and the settlement interface displays a card swiping area prompt area to prompt the user to carry out card swiping settlement, and the user can swipe the card in the card swiping area to finish charging.
As a further explanation of the above scheme, during the charging process of the charging pile, if an overvoltage/undervoltage, an overcurrent/undercurrent, an insulation fault, a communication fault, a card reader fault, a charging gun connection fault, a surge fault and other abnormalities occur, the charging pile immediately stops charging and sends an abnormal signal.
As a further explanation of the above scheme, in the charging mode selection interface, the interface for selecting to enter the electric quantity-pressing charging interface is provided with an electric quantity input frame, a mode reselection button, and a determination and exit button; the required electric quantity can be input in the electric quantity input box, account balance information is judged, and if the balance is enough, a user presses a determining button to perform a charging interface; if the balance is insufficient, displaying error prompt information and account balance to prompt the user to input again; the user selects the mode reselection button to return to the charging mode selection interface.
As a further explanation of the above scheme, in the charging mode selection interface, a time-based charging mode is selected to enter, the interface is provided with a charging time input frame, a mode reselection button, a determination button and an exit button, and the available duration of the user is displayed according to the account balance; the charging time input box comprises a hours input box and a minutes input box; inputting the charging time, comparing the input time with the available time, and entering a charging interface if the input time is less than the available time and a determination button is pressed; and if the available time length is longer than the available time length, displaying error information and the available time length, and prompting the user to input again.
As a further explanation of the above scheme, in the charging mode selection interface, a money pressing charging interface is selected to enter, the interface is provided with a charging amount input frame, a mode reselection button, a determination button and an exit button, and the available amount and the converted electric quantity are displayed on the interface; after the charging amount is input, the input charging amount is compared with the available amount by pressing a determining button, if the input charging amount is smaller than the available amount, error information and the available amount are prompted, and the user is prompted to input again.
As a further explanation of the above scheme, in the charging mode selection interface, the interface for pressing a fully charged battery is selected, which includes a mode reselection button, a determination button and an exit button, when the determination button is pressed, the balance in the user card is deducted once according to the set amount, and the user card is swiped and then settled again after the battery is fully charged, and if the balance in the user card is less than the set amount, the user is prompted that the charging cannot be performed.
As a further explanation of the above scheme, the method further comprises system management, after the administrator holds the management card and performs card swiping operation, the administrator can enter a system management interface, the management interface displays vehicle charging, password modification, history inquiry, exit and management buttons, and management account information of the management card is displayed; the management account information comprises an account card number, a card internal amount and a converted electric quantity; and the administrator clicks the management button to enter a parameter setting interface.
As a further explanation of the above scheme, the parameter setting interface can set unit price of electricity, electricity per hour, upper limit of balance, and contact call; the parameter setting interface is also provided with query and recharge buttons, a charging record button, a password recovery button, a new card authentication button and an exit button.
The invention has the beneficial effects that: the charging method of the direct current charging pile has multiple protection functions of direct current output overvoltage, undervoltage, short circuit, over-temperature and the like, can realize intelligent charging of the direct current charging pile, ensures the safety and stability of the working state of the charging pile, not only shortens the supply of multiple charging modes, but also can shorten the charging time compared with the common direct current charging pile of the electric vehicle, and can protect the storage battery of the electric vehicle.
Detailed Description
The present invention is further illustrated by the following specific examples.
Examples
The intelligent charging method of the direct current charging pile comprises the following steps,
(1) initial state of direct current fills electric pile: the charging pile is connected wrongly, when the monitoring host is started, the power indicator lamp is in a light state, the touch screen displays a welcome interface, and the welcome interface displays inquiry and charging options; the user can enter a query interface by clicking for query, and the account information and the balance information in the user card can be queried after the user swipes the card and are displayed on the touch screen.
(2) Selecting a charging option and entering a charging option interface; the charging option interface prompts card swiping operation in a charging pile card swiping area; if the card swiping operation is carried out in the card swiping area, entering a charging mode selection interface, and reading user information and account balance information by the charging pile; there is also an exit button to return to the welcome interface if the exit option is selected.
(3) The interface displays four modes of charging according to money amount, charging according to electric quantity, charging according to time and fully charging a battery, and a user selects a corresponding charging mode to enter a corresponding operation interface; the system also comprises a return button and an exit button, wherein the return button is selected to return to the previous interface, and the exit button is selected to return to the welcome interface.
In the charging mode selection interface, selecting to enter an electric quantity pressing charging interface, wherein an electric quantity input frame, a mode reselection button and a determining and exiting button are arranged on the interface; the required electric quantity can be input in the electric quantity input box, account balance information is judged, and if the balance is enough, a user presses a determining button to perform a charging interface; if the balance is insufficient, displaying error prompt information and account balance to prompt the user to input again; the user selects the mode reselection button to return to the charging mode selection interface.
Selecting to enter a time-based charging mode, wherein a charging time input frame, a mode reselection button, a determination button and an exit button are arranged on an interface, and the available time length of the user is displayed according to the balance of the account number; the charging time input box comprises a hours input box and a minutes input box; inputting the charging time, comparing the input time with the available time, and entering a charging interface if the input time is less than the available time and a determination button is pressed; and if the available time length is longer than the available time length, displaying error information and the available time length, and prompting the user to input again.
Selecting to enter a money pressing charging interface, wherein the interface is provided with a charging amount input box, a mode reselection button, a determination button and an exit button, and the available amount and the converted electric quantity are displayed on the interface; after the charging amount is input, the input charging amount is compared with the available amount by pressing a determination button, if the charging amount is less than the available amount, error information and the available amount are prompted, and the user is prompted to input the charging amount again
And selecting to enter a full battery interface, comprising a mode reselection button, a determination button and an exit button, when the determination button is pressed, deducting the balance in the user card at one time according to the set amount, swiping the card after the battery is full and then settling again, and if the balance in the user card is less than the set amount, prompting the user that the user can not charge. The set amount in this embodiment is 50 yuan.
(4) Entering a charging interface, wherein the charging interface comprises a card swiping area prompting area and an exit button; the card swiping area prompt area displays and prompts a customer to perform the card swiping operation in the charging pile card swiping area, and a charging gun is inserted into an automobile charging socket for charging; after a user swipes a card, the direct current charging pile intelligent charging system enters a self-checking state, if the charging gun is not connected successfully, the fact that the charging gun is not connected is displayed, and the user is prompted to check the charging gun; pressing the exit button returns to the previous interface.
(5) Entering a vehicle charging process interface, displaying a charging progress bar, displaying a charging mode, starting time, battery electric quantity, input voltage, input current, direct current charging voltage and direct current charging current, and displaying pre-charging amount, pre-charging electric quantity, charged amount and charged electric quantity according to different charging modes; and a charge ending button is arranged in the vehicle charging process interface, and a user can press the button to end charging and enter a settlement interface.
(6) And the settlement interface displays a card swiping area prompt area to prompt the user to carry out card swiping settlement, and the user can swipe the card in the card swiping area to finish charging.
When the charging pile is in a charging process, if the charging pile is abnormal, such as overvoltage/undervoltage, overcurrent/undercurrent, insulation fault, communication fault, card reader fault, charging gun connection fault, surge fault and the like, the charging is immediately stopped, and an abnormal signal is sent out.
The invention adopts an embedded industrial processor as a central controller for controlling the operation of the modules. The embodiment selects an ARM control chip, but is not limited to the ARM control chip. And a CAN bus and RS485 or RS232 are used as signal transmission lines for processing signals among components. The charging pile related in the embodiment further comprises an alternating current-direct current conversion device, and alternating current of a peripheral power grid is converted into direct current for output by the alternating current conversion device.
Direct current output overvoltage/overcurrent: please check whether the output voltage and current are within the range of the parameter setting, if not, please check whether the output voltage and current are too high, or whether the parameter setting is reasonable.
Insulation failure: please check if the insulation of the dc bus is normal.
Monitoring board communication trouble: checking whether the communication line of the monitoring board is correct.
Failure of the card reader: and checking whether the communication line of the card reader is correct or whether the card reader is damaged.
Charging gun connection failure: the charging gun is disconnected, please check that the charging gun is connected.
The scram button is pressed: checking whether the emergency stop button is pressed down, if so, removing the emergency stop button one by one according to the steps, and then pulling out the emergency stop button, so that the fault can be eliminated.
Shutdown was unsuccessful: and the monitoring board and the power module are in communication failure, and whether the monitoring board and the CAN communication bus of the power module are loosened or not is checked after the emergency stop button is pressed under the condition of ensuring the minimum current.
And (3) lightning protection module failure: the indication window on the lightning protection device should be checked frequently during use, and if the window turns red, it indicates that the lightning protection device has been damaged and should be replaced immediately.
If abnormal conditions such as fire, electric shock and the like occur or the electric leakage of the machine occurs, the emergency stop switch is immediately pressed. If the emergency stop switch is pressed in the charging state, the charging is immediately stopped, the output side direct current contactor is disconnected, and the fault lamp is turned on. If the pile body has a fault and the charging cannot be stopped and the internal circuit is short-circuited, the emergency stop switch is immediately pressed. When the emergency stop switch is pressed in a non-charging state, the fault lamp is turned on, and the liquid crystal display screen jumps to a fault interface. When the critical condition is relieved, please rotate the emergency stop switch, otherwise, the charging can not be continued.
The intelligent charging method for the direct-current charging pile further comprises system management, wherein after an administrator holds a management card and conducts card swiping operation, a system management interface can be entered, vehicle charging, password modification, history inquiry, exit and management buttons are displayed on the management interface, and management account information of the management card is displayed; the management account information comprises an account card number, a card internal amount and a converted electric quantity; and the administrator clicks the management button to enter a parameter setting interface.
The unit price of electric quantity, the electric quantity per hour, the upper limit of balance and the contact telephone can be set in the parameter setting interface; the parameter setting interface is also provided with query and recharge buttons, a charging record button, a password recovery button, a new card authentication button and an exit button.
The unit price of the electric quantity can be set to calculate the electric quantity which can be converted by the balance. The setting of the electric quantity per hour can control the charging speed in unit time to convert the charging time converted by the balance. The significance of the setting of the upper limit of the balance is that when the balance in the card is lower than a set value, a user is prompted to recharge in time. The inquiry and recharge button can inquire the user information and the balance information, and the administrator can recharge the user for the held charging card. The charging card used by each user has an original password, and if the user forgets the password modified by the user, the button can restore the password of the charging card to the original password. The new card authentication can make the newly applied charging card be recorded in the management system, so that the charging card can be charged. The exit button may exit back to the previous interface.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims (2)

1. An intelligent charging method of a direct current charging pile is characterized by comprising the following steps,
(1) initial state of direct current fills electric pile: the charging pile is connected wrongly, when the monitoring host is started, the power indicator lamp is in a light state, the touch screen displays a welcome interface, and the welcome interface displays inquiry and charging options; the user can enter a query interface by clicking for query, and can query account information and balance information in the user card after the user swipes the card and display the account information and the balance information on the touch screen;
(2) selecting a charging option and entering a charging option interface; the charging option interface prompts card swiping operation in a charging pile card swiping area; if the card swiping operation is carried out in the card swiping area, entering a charging mode selection interface, and reading user information and account balance information by the charging pile; the device also has an exit button, and if an exit option is selected, a welcome interface is returned;
(3) the charging mode selection interface displays four modes of charging according to money amount, charging according to electric quantity, charging according to time and fully charging a battery, and a user selects a corresponding charging mode to enter a corresponding operation interface; the system also comprises a return button and an exit button, wherein the return button is selected to return to the previous interface, and the exit button is selected to return to the welcome interface;
(4) entering a charging interface, prompting a customer to perform charging in a charging pile card swiping area through the charging interface, and inserting a charging gun into an automobile charging socket for charging; after a user swipes a card, the direct current charging pile intelligent charging system enters a self-checking state, if the charging gun is not connected successfully, the fact that the charging gun is not connected is displayed, and the user is prompted to check the charging gun; pressing the quit button can return to the previous interface;
(5) entering a vehicle charging process interface, displaying a charging progress bar, displaying a charging mode, starting time, battery electric quantity, input voltage, input current, direct current charging voltage and direct current charging current, and displaying pre-charging amount, pre-charging electric quantity, charged amount and charged electric quantity according to different charging modes; a charging ending button is arranged in the interface of the vehicle charging process, and a user can press the button to end charging and enter a settlement interface;
(6) the settlement interface displays a card swiping area prompting area to prompt a user to carry out card swiping settlement, and the user can swipe cards in the card swiping area to finish charging;
in the charging mode selection interface, selecting to enter an electric quantity pressing charging interface, wherein the electric quantity pressing charging interface comprises an electric quantity input frame, a mode reselection button and a determining and exiting button; the required electric quantity can be input in the electric quantity input box, account balance information is judged, and if the balance is enough, a user presses a determining button to perform a charging interface; if the balance is insufficient, displaying error prompt information and account balance to prompt the user to input again; the user selects a mode reselection button to return to a charging mode selection interface;
in the charging mode selection interface, selecting to enter a charging interface according to time, wherein the charging interface according to the time is provided with a charging time input frame, a mode reselection button, a determination button and an exit button, and the available time of the user is displayed according to the balance of the account number; the charging time input box comprises a hours input box and a minutes input box; inputting the charging time, comparing the input time with the available time, and entering a charging interface if the input time is less than the available time and a determination button is pressed; if the available time length is longer than the available time length, displaying error information and the available time length, and prompting the user to input again;
in the charging mode selection interface, a money pressing charging interface is selected to enter, a charging amount input frame, a mode reselection button and a determining and quitting button are arranged on the money pressing charging interface, and the available amount and the converted electric quantity are displayed on the money pressing charging interface; after the charging amount is input, the input charging amount is compared with the available amount by pressing a determining button, if the input charging amount is smaller than the available amount, error information and the available amount are prompted, and a user is prompted to input again;
the charging mode selection interface selects to enter a full battery pressing interface, and comprises a mode reselection button, a determination button and an exit button, when the determination button is pressed, the balance in the user card is deducted at one time according to the set amount, the user card is swiped after the battery is fully charged, and then the settlement is carried out again, and if the balance in the user card is less than the set amount, the user is prompted to be incapable of charging;
the system management is also included, after the administrator holds the management card and performs card swiping operation, the administrator can enter a system management interface, the management interface displays vehicle charging, password modification, history inquiry, exit and management buttons and management account information of the management card; the management account information comprises an account card number, a card internal amount and a converted electric quantity; the administrator clicks a management button to enter a parameter setting interface;
during the charging process of the charging pile, if overvoltage/undervoltage, overcurrent/undercurrent, insulation faults, communication faults, card reader faults, charging gun connection faults and surge faults occur abnormally, the charging pile stops charging immediately and sends out abnormal signals;
direct current output overvoltage/overcurrent: please check whether the output voltage and current are in the range of parameter setting, if not, please check whether the output voltage and current are too high, or whether the parameter setting is reasonable;
insulation failure: please check whether the insulation of the dc bus is normal;
monitoring board communication trouble: checking whether the communication line of the monitoring board is correct or not;
failure of the card reader: checking whether the communication line of the card reader is correct or whether the card reader is damaged;
charging gun connection failure: the charging gun is disconnected, and the charging gun is required to be checked to be connected;
the scram button is pressed: checking whether the emergency stop button is pressed down, if so, please remove the emergency stop button after eliminating the direct current output overvoltage/overcurrent, insulation fault, monitoring board communication fault, card reader fault and charging gun connection fault one by one, and the fault can be eliminated;
shutdown was unsuccessful: the monitoring board and the power module are in communication failure, and whether the CAN communication bus of the monitoring board and the power module is loosened or not is checked after the emergency stop button is pressed under the condition of ensuring the minimum current;
and (3) lightning protection module failure: the indication window on the lightning protection device should be checked frequently during use, and if the window turns red, it indicates that the lightning protection device has been damaged and should be replaced immediately.
2. The intelligent charging method for the direct current charging pile according to claim 1, wherein the parameter setting interface can be used for setting unit price of electric quantity, electric quantity per hour, upper limit of balance and contact telephone; the parameter setting interface is also provided with query and recharge buttons, a charging record button, a password recovery button, a new card authentication button and an exit button.
CN201710634298.5A 2017-07-29 2017-07-29 Intelligent charging method for direct-current charging pile Active CN107458246B (en)

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