KR20140117878A - Charger for electric driven moving body and method of operation the same - Google Patents

Abstract

According to an embodiment of the present invention, there is provided a method of operating a charger, comprising: opening a cable connection portion accommodated inside according to a request for charging from the outside; Inserting a charging cable into the open cable connection; Closing the cable connection portion when the charging cable is inserted; Supplying charging power to a battery of an electrically driven moving body connected through the charging cable; And opening the cable connection to the outside when the charging power supply stop event occurs.

Description

TECHNICAL FIELD [0001] The present invention relates to a charger for an electric driving vehicle,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging method for an electrically driven moving body, and more particularly to a charger for an electrically driven moving body for preventing theft of a charging cable and a method of operating the same.

Demand for automobiles has increased explosively due to economic development, and exhaust emissions from automobiles are becoming a major cause of environmental pollution as demand for automobiles increases.

Accordingly, there is a demand for decreasing the emission of automobiles, and research and development of automobiles capable of reducing exhaust gas is underway. Furthermore, the use of an electric vehicle which does not generate exhaust gas has been partially attempted.

An electric vehicle refers to a vehicle that operates by using electricity as a power source. The vehicle refers to a vehicle in which a rechargeable battery is mounted as a power source, and the vehicle is operated using electric power supplied from the mounted battery. An electric vehicle is largely composed of an electric motor driven by electricity and running an electric car, and a battery supplying electricity to the electric motor.

Charging facilities for electric vehicles are classified into contact type (pulg-in) and contact type (contact type) according to the contact type.

The contact type is a method in which a connector is provided in a charging facility to connect the connector, and the non-contact type is a charging method using a current collector installed in a power supply facility on a power supply facility without a charging connector.

1 is a view showing a charger of an electrically driven moving body according to the prior art.

Referring to FIG. 1, the charger includes a charging stand 10 and a charging cable 20.

The charger includes a charging stand 10 provided in a charging station, a charging plug 20 connected to the charging stand 10 through a charging cable 20, To the rechargeable battery.

However, there is no standard for electric car charging method at present, and there is an inconvenience that a charging cable is not provided in a certain charging station, so it is necessary to carry an expensive charging cable separately.

In addition, in the prior patent document 10-2012-0012920 as shown in Fig. 1, while the charging station is temporarily emptied by the user during charging, another person can arbitrarily disconnect the charging cable and escape with it. A separate charging method is required.

That is, in the general charger as in the above-mentioned prior patent documents, the electric car is charged by the flow as shown in FIG.

Referring to FIG. 2, first, a charging cable is connected between the charger and the electric vehicle (step 1).

Thereafter, when the charging cable is connected, the charging card is approached to the 'CARD' display position, and the charging of the charging card is performed according to the charging amount.

When the payment is made, the charging is started. In this step, a warning phrase for continuing the plug connection is provided (step 3).

Thereafter, if the user wishes to stop charging before the charging is completed, a message to disconnect the plug may be provided (step 4). After the charging is completed, a message indicating completion of charging is displayed, (Step 5).

However, there is no countermeasure against the theft of the charging cable for charging the electric vehicle, and thus, there is a problem that the charging cable is stolen while being left unattended for a while.

The embodiments of the present invention provide a charger for an electrically driven moving body and a method of operating the charger by providing a lock device in the charger to prevent the charger cable from being stolen.

It is to be understood that the technical objectives to be achieved by the embodiments are not limited to the technical matters mentioned above and that other technical subjects not mentioned are apparent to those skilled in the art to which the embodiments proposed from the following description belong, It can be understood.

According to an embodiment of the present invention, there is provided a method of operating a charger, comprising: opening a cable connection portion accommodated inside according to a request for charging from the outside; Inserting a charging cable into the open cable connection; Closing the cable connection portion when the charging cable is inserted; Supplying charging power to a battery of an electrically driven moving body connected through the charging cable; And opening the cable connection to the outside when the charging power supply stop event occurs.

The opening and closing of the cable connection part is performed by the opening and closing operation of the door disposed at the formation part of the cable connection part.

The closing step may include locking the charging cable so that the charging cable inserted into the cable connecting part can not be separated, and the opening step may include disengaging the charging cable inserted into the cable connecting part And releasing the locked state of the charging cable so that the charging cable can be opened.

In addition, the step of opening the cable connection part accommodated inside according to the charging request may include performing a first user authentication and opening the cable connection part if the user authentication is normally performed.

In addition, when the charging power supply stop event occurs, the step of opening the cable connection to the outside may include performing a second user authentication, and performing the second user authentication on the previously performed first user Opening the cable connection to the outside if the authentication is the same as authentication, and outputting an authentication failure message if the performed second user authentication differs from the previously performed first user authentication.

In addition, the first and second user authentication are performed by recognizing a card for charging a fee according to the charging.

Meanwhile, the charger according to the embodiment includes a charger main body; A cable connection portion accommodated in the accommodation space inside the charger main body and to which the charging cable is connected; And a door disposed in the shape of the cable connection part and opening or closing the cable connection part by opening and closing operations.

The opening of the door is performed only when the user authentication is normally performed.

When the door is closed in a state that the charging cable is connected to the cable connection part, the locking device locks the charging cable so that the charging cable can not be disconnected.

According to the embodiment of the present invention, the charging cable is locked and unlocked according to the operating state of the charger, thereby preventing the charging cable from being stolen.

In addition, according to the embodiment of the present invention, unlocking of the charging cable is performed through user authentication without a separate button, thereby effectively preventing unauthorized separation of the charging cable due to an arbitrary user.

1 is a view showing a charger of an electrically driven moving body according to the prior art.
2 is a view for explaining an operation method for a charger of an electrically driven mobile body according to the prior art.
3 is an internal configuration diagram of the charger 100 according to the embodiment of the present invention.
FIG. 4 is a flowchart illustrating a method of operating an electrically driven moving vehicle according to an exemplary embodiment of the present invention.
5 to 8 are views for explaining the structure of the charger according to the operation method shown in FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being 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 concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

Combinations of the steps of each block and flowchart in the accompanying drawings may be performed by computer program instructions. These computer program instructions may be embedded in a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus so that the instructions, which may be executed by a processor of a computer or other programmable data processing apparatus, Thereby creating means for performing the functions described in the step. These computer program instructions may also be stored in a computer usable or computer readable memory capable of directing a computer or other programmable data processing apparatus to implement the functionality in a particular manner so that the computer usable or computer readable memory It is also possible to produce manufacturing items that contain instruction means that perform the functions described in each block or flowchart illustration in each step of the drawings. Computer program instructions may also be stored on a computer or other programmable data processing equipment so that a series of operating steps may be performed on a computer or other programmable data processing equipment to create a computer- It is also possible for the instructions to perform the processing equipment to provide steps for executing the functions described in each block and flowchart of the drawings.

Also, each block or each step may represent a module, segment, or portion of code that includes one or more executable instructions for executing the specified logical function (s). It should also be noted that in some alternative embodiments, the functions mentioned in the blocks or steps may occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially concurrently, or the blocks or steps may sometimes be performed in reverse order according to the corresponding function.

3 is an internal configuration diagram of the charger 100 according to the embodiment of the present invention.

3, the charger 100 includes a cable connection unit 110, a cable lock unit 120, a display unit 130, a network communication unit 140, a power calculation unit 150, a charge switching unit 160, Unit 170, and a control unit 180. [

The charger 100 configured as described above is connected to an electric driving vehicle (for example, an electric vehicle), thereby supplying charging electric power to a battery provided in the electric driving vehicle.

More specifically, a charging cable 200, which forms a power supply line between the electric vehicle and the charger 100, is inserted into the cable connection part 110.

One end of the charging cable 200 is inserted into the cable connection part 110 and receives charging power supplied through the charging device 100. The other end of the charging cable 200 is inserted into a charging socket of the electric vehicle, And supplies the received charging power to the battery provided in the electric vehicle.

The charging cable 200 may be formed to have a length that can be sufficiently extended to match the position of the electric vehicle, and may be wound in a circular state by pressing the button after use.

The driver or the like inserts one end of the charging cable 200 into the cable connection part 110 provided in the charger 100 and connects the other end of the charging cable 200 to the side or front / So that the battery provided in the electric vehicle can be charged by receiving electric power from the charger 100. [

The cable connection unit 110 may include a power supply pin for supplying charging electric power to the battery of the electric vehicle through the charging cable 200, Capacity, remaining capacity, and the like).

The cable locking part 120 has a receiving space formed therein for receiving the cable connecting part 110. The cable connecting part 110 may be opened to the outside through a door opening, Thereby closing the connection portion 110.

The locking device is formed in the cable locking part 120. The locking device may be configured such that when the charging cable 200 is inserted into the cable connecting part 110, So that the charging cable can not be separated arbitrarily.

In other words, the cable locking part 120 opens or closes the cable connecting part 110 to the outside so that the charging cable 200 can be connected and disconnected.

At this time, when the cable connection part 110 is open to the outside through the door opening, the charging cable 200 can be arbitrarily separated and connected. When the cable connection part 110 is closed, the charging cable 200 200 can not be arbitrarily separated and connected.

The display unit 130 outputs charging information on the charged state of the electric vehicle.

At this time, the display unit 130 includes an audio output unit (speaker) for outputting the charge information and the check information as a voice signal, and a video output unit (display unit) for outputting the charge information and the check information through the display screen .

The display unit 130 may display a charged line, an idle charging station, estimated charging time, charging progress, charge amount, and customer information through a table or graphic.

The information provided through the display unit 130 can be provided to the customer through the large display device installed in the charging station so that the charging progress can be grasped by the customer in advance. Further, the information can be transmitted to the internal system or the mobile terminal of the customer, It may also provide progress information or inspection information.

The network communication unit 140 performs data communication with a separate upper server in a network environment. Here, the upper server may be a management server that manages a plurality of chargers installed in a charging station. Alternatively, the upper server may provide a charging server for charging a charging fee or an A / S by checking a charged electric vehicle Service center.

The network communication unit 140 may include at least one of Bluetooth, Radio Frequency Identification (RFID), IrDA, Ultra Wideband (UWB), ZigBee, and Digital Living Network Alliance (Wi-Fi), Wibro (wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), and the like. ) Based on the wireless network communication protocol.

The electric power calculation unit 150 calculates the amount of electric power supplied to the battery of the electric vehicle through the cable connection unit 110. That is, the electric energy calculation unit 150 measures the electric energy consumed by charging from the power supply end to the lower end.

The charge switching unit 160 interrupts power supplied to the battery of the electric vehicle through the cable connection unit 110. In other words, the charge switching unit 160 continuously supplies power to the battery or cuts off the supplied power.

The charging unit 170 includes a user authentication unit, thereby starting charging and terminating charging through user authentication, and charges a charge according to the amount of power calculated through the power-amount calculating unit 150. [

The controller 180 controls the overall operation of the charger 100 as described above.

In particular, the control unit 180 causes the cable lock unit 120 to operate in a first state (unlocked state) in response to a charging start request through user authentication, The door is opened so that the cable connection part 110 is opened to the outside.

When the charging cable 200 is connected to the cable connecting part 110, the controller 180 controls the cable locking part 120 to operate in a second state (locking state), and the cable locking part 120 Closing the door according to the second state of the cable connection part 110 to close the cable connection part 110. [

At this time, if the cable locking part 120 operates in the second state in a state where the charging cable 200 is connected, the locking device operates to disable the connected charging cable 200 at any time.

When the cable lock part 120 is operated in a locked state and the connection of the charging cable 200 is normally performed, the controller 180 starts the charging operation and transmits the charging cable 200 through the charging cable 200 So that charging electric power is supplied to the battery of the connected electric vehicle.

At this time, the control unit 180 controls the switching operation of the charge switching unit 160 to intermittently charge the charge power.

Meanwhile, when the charging completion event occurs, the controller 180 causes the user authentication to be performed, and when the user authentication is normally performed, the control unit 180 changes the state of the cable lock unit 120 to the first state, So that the cable connection part 110 is opened.

The charging completion event may include a case where charging of the charging amount set by the user is completed, or a case where the user requests emergency termination for the charging operation.

In addition, whether or not the user authentication is normally performed is to determine whether the same user authentication as that performed for the charging start operation is performed for the first time.

In other words, if the user authenticated in the initial charge waiting operation and the user authenticated at the time of the charging completion event are the same, it is determined that the user authentication is normally performed. If the users are different from each other, .

If the user authentication is abnormally performed, the controller 180 outputs a message such as a user authentication failure and performs user authentication again.

When the user authentication is normally performed, the controller 180 outputs a message indicating successful user authentication, changes the cable lock unit 120 to the first state, To the outside.

On the other hand, if the user authentication is normally performed, the charging unit 170 calculates a charge according to the charged amount, and charges the charge accordingly.

When the charging cable 200 is disconnected from the cable connection part 110 in a state where the cable connection part 110 is opened, the control part 180 changes the cable lock part 120 to the second state, So that the cable connection part 110 is closed.

According to the embodiment of the present invention, the charging cable is locked and unlocked according to the operating state of the charger, thereby preventing the charging cable from being stolen.

In addition, according to the embodiment of the present invention, unlocking of the charging cable is performed through user authentication without a separate button, thereby effectively preventing unauthorized separation of the charging cable due to an arbitrary user.

FIG. 4 is a flowchart for explaining a step-by-step operation method of an electrically driven mobile body according to an embodiment of the present invention, and FIGS. 5 to 8 are views for explaining the structure of a charger by the operation method shown in FIG.

Hereinafter, with reference to FIGS. 5 to 8, a method of operating the electric drive vehicle shown in FIG. 4 will be described in detail.

First, the charger is in a charging standby state, and recognizes the charging card in the charging standby state (Step 101). The charging card is a means for authenticating a user who wishes to charge electricity.

Referring to FIG. 5, the charger 300 in the charging standby state has a door 320 provided at one side of the charger main body 310 in a closed state, The cable connection portion 330 is closed.

A hole 321 is formed in the door 320 and the hole 321 is a hole for exposing a cable connected to the cable connection part 330 to the outside when the door 320 is closed.

A cable connection part 330 is formed in the door 320. The cable connection part 330 is not opened to the outside by closing the door 320 but is closed inside.

When the user authentication is normally performed according to the recognition of the charging card, the charger 300 changes the state of the door 320 so that the cable connection unit 330 located inside the charger 300 is exposed to the outside.

That is, as shown in FIG. 6, the door 320 is formed in the charger 300. As the user authentication is normally performed, the door 320 is opened and the cable connection part 330 are opened to the outside.

When the cable connection part 330 is opened, the user inserts the prepared charging cable 200 into the cable connection part 330 (step 103). At this time, the user inserts the opposite part of the charging cable 200, which is inserted into the cable connection part 330, into the charging socket provided in the electric vehicle. This is as shown in FIG.

When the charging cable 200 and the cable connection unit 330 are connected as described above, the charger 300 closes the door 320 and closes the cable connection unit 330 (Step 104). When the cable connection part 330 is closed, the charging cable 200 is fixed, and the charging cable 200 can not be separated without opening the door 320. This is as shown in FIG.

When the door 320 is closed as described above and the connection of the charging cable 200 is established, the charging device 300 supplies the charging power to the battery inside the electric vehicle through the charging cable 200 (Step 105).

Thereafter, when a charging end event occurs, the charger 300 displays information on the charging result (e.g., final charging amount and amount) (step 106).

Thereafter, the charger 300 re-executes the user authentication so that the charging is performed according to the charging (Step 107).

At this time, the fee settlement is performed only when the same user authentication as the user authentication performed first in the charge waiting operation is performed.

When the user authentication is normally performed and the charge settlement is completed, the charger 300 causes the door 320 to be in an open state so that the cable connection unit 330 provided therein is opened to the outside ).

When the cable connection part 330 is opened, the charging cable 200 is separated (step 109), and the charger 300 performs a charging completion operation (step 110).

The charging completion operation may include an operation of outputting an audit message according to the use of the charge, thereby causing the door 320 to be in a closed state in accordance with the normal connection release of the charging cable 200.

Although the cable connection part 330 is described above, substantially the same components as those of the cable connection part 110 shown in FIG.

Although the door 320 has been described above, it is substantially the same as the cable lock part 120 shown in FIG. 3, and the hole 321 formed on the door 320 may be a lock device have.

That is, the charging cable has plugs formed at both ends thereof, and connection lines are formed between the plugs. At this time, the connection line is formed to be thinner than the plug, so that the hole 321 may be formed to correspond to the thickness of the connection line. Accordingly, in the state where the charging cable is inserted into the hole 321, the charging cable can not be separated arbitrarily because the plug is formed thicker than the hole 321.

Alternatively, the lock device may be an electromagnetic lock device, so that the locking device operates when the door is closed, so that the charging cable can not be disconnected.

According to the embodiment of the present invention, the charging cable is locked and unlocked according to the operating state of the charger, thereby preventing the charging cable from being stolen.

In addition, according to the embodiment of the present invention, unlocking of the charging cable is performed through user authentication without a separate button, thereby effectively preventing unauthorized separation of the charging cable due to an arbitrary user.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

100: Charger
110: Cable connection
120: Cable lock part
130:
140: Network communication section
150:
160: Charge switching section
170: Charging part
180:

Claims (8)

Opening the cable connection portion accommodated inside according to a charging request from the outside;
Inserting a charging cable into the open cable connection;
Closing the cable connection portion when the charging cable is inserted;
Supplying charging power to a battery of an electrically driven moving body connected through the charging cable; And
And opening the cable connection to the outside when a stop event of the charging power supply is generated.
How to operate the charger. The method according to claim 1,
The opening and closing of the cable connection portion may be performed,
And the opening / closing operation of the door disposed at the forming portion of the cable connecting portion
How to operate the charger. The method according to claim 1,
Wherein the closing comprises:
And locking the charging cable so that the charging cable inserted into the cable connecting portion can not be separated,
Wherein the opening step comprises:
And releasing the locked state of the charging cable so that the charging cable inserted into the cable connecting portion can be disconnected
How to operate the charger. The method according to claim 1,
Wherein the step of opening the cable connection part accommodated inside according to the charging request,
Performing a first user authentication,
And if the user authentication is normally performed, opening the cable connection portion
How to operate the charger. 5. The method of claim 4,
Wherein the step of opening the cable connection to the outside when the stop event of the charging power supply occurs,
Performing a second user authentication,
If the performed second user authentication is the same as the previously performed first user authentication, opening the cable connection to the outside,
And outputting an authentication failure message if the performed second user authentication differs from the previously performed first user authentication
How to operate the charger. 6. The method of claim 5,
Wherein the first and second user authentication comprises:
And a step of recognizing the card for the payment according to the charging
How to operate the charger. A charger main body;
A cable connection portion accommodated in the accommodation space inside the charger main body and to which the charging cable is connected;
A door disposed in the shape of the cable connection part and opening or closing the cable connection part by opening and closing operations; And
And a user authentication unit that is exposed to the outside from the charger main body and performs user authentication,
The opening and closing of the door may be performed,
Wherein the authentication result of the user authentication means
charger. 8. The method of claim 7,
And a locking device for locking the charging cable so that the charging cable can not be disconnected when the door is closed while the charging cable is connected to the cable connection part
charger.

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