KR101692810B1 - System and method for selling battery power using electric vehicle - Google Patents

System and method for selling battery power using electric vehicle Download PDF

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KR101692810B1
KR101692810B1 KR1020150088913A KR20150088913A KR101692810B1 KR 101692810 B1 KR101692810 B1 KR 101692810B1 KR 1020150088913 A KR1020150088913 A KR 1020150088913A KR 20150088913 A KR20150088913 A KR 20150088913A KR 101692810 B1 KR101692810 B1 KR 101692810B1
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power
external device
current
unit
amount
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KR20170000129A (en
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김석희
홍승인
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주식회사 유라코퍼레이션
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S50/00—Market activities related to the operation of systems integrating technologies related to power network operation or related to communication or information technologies
    • Y04S50/10—Energy trading, including energy flowing from end-user application to grid

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  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

More particularly, the present invention relates to a system and method for selling battery power using an electric vehicle, and more particularly, to a system and method for selling a battery power to an unspecified number of people who need electric power in an environment where power use is difficult, And a battery power sales system using an electric vehicle capable of calculating a usage fee and a method thereof.
According to another aspect of the present invention, there is provided an electric vehicle including: an alternating-current power source conversion unit for converting a battery power source charged in a high-voltage battery of an electric vehicle into an alternating-current power source and outputting the alternating current source; A current detector for detecting the amount of current to the AC power supplied from the AC power supply to the AC power supply, and a controller for calculating the amount of power used and the charge for the AC power supplied to the external device using the amount of current detected by the current detector. It is possible to sell the battery power using the electric vehicle in an environment where it is difficult to use electric power such as mountains, fields or the sea.

Description

Technical Field [0001] The present invention relates to a system and method for selling battery power using an electric vehicle,

More particularly, the present invention relates to a system and method for selling battery power using an electric vehicle, and more particularly, to a system and method for selling a battery power to an unspecified number of people who need electric power in an environment where power use is difficult, And a battery power sales system using an electric vehicle capable of calculating a usage fee and a method thereof.

In recent years, with the improvement of living standards due to economic development and the increased time available to utilize leisure according to the five-day working week, camping, fishing, and mountain climbing in the outdoors such as mountains and fields or the sea in the case of weekends and holidays The number of people who enjoy outdoor activities is increasing.

Camping, for example, can be said to be an outdoor activity that temporarily lives in a tent or a temporarily built cottage. Especially, as more and more people are enjoying camping, there are more and more camping sites where camping is possible, and there is also an active increase in the number of camping places where cars are loaded with tents and camping places. In addition, various types of camping equipment for outdoor activities are being developed and demand is increasing.

However, since most of the outdoor activities are performed in an environment where electric power is difficult to use, there is a problem that the use of various external devices driven by electric power such as electronic devices and electric devices is limited or impossible.

That is, in the case of an external device that receives electricity from a rechargeable battery, it can be used as limited as the capacity of the battery, but an external device in which the battery is discharged or a separate battery is not installed can not be used at all in the outdoors.

On the other hand, for outdoor activities, it is usually carried out using a vehicle or an electric vehicle. In particular, an electric vehicle using electricity, which is pollution-free energy, as a power source is provided with a high-voltage battery for driving a motor. Therefore, when the battery power charged in the high-voltage battery is discharged, the electric power of the external device can be supplied.

However, in the conventional electric vehicle, when the high-voltage battery is discharged to supply electric power to an external device owned by an unspecified number of people, the amount of electric power supplied to each external device can not be discriminated at all.

Therefore, when the battery power of the electric vehicle is to be sold, it is difficult to determine the amount of electric power to be used for each external device, so that it is difficult to accurately calculate the electric charge.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a battery power sales system using an electric vehicle capable of selling battery power of an electric vehicle in an environment where power use is difficult, and a method thereof.

It is another object of the present invention to provide a battery power sales system using an electric vehicle and a method thereof, which can accurately calculate a usage amount and a usage fee of various external devices that are supplied with battery power.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided an electric vehicle including: an alternating-current power conversion unit connected to a high-voltage battery of an electric vehicle and converting battery power charged in the high-voltage battery into alternating-current power; An AC power supply unit connected to an external device to receive electric power and supplying the AC power outputted from the AC power conversion unit to the connected external device; A current detector for detecting an amount of current to the AC power outputted from the AC power converting unit to the AC power supplying unit; And a control unit for controlling the AC power conversion unit and calculating an amount of used electric power and a usage fee for the AC power supplied from the AC power supply unit to the external device by using the amount of the current detected by the current detection unit Battery-powered sales system.

In a preferred embodiment, the display unit further includes a display unit for displaying, on the screen, the amount of electric power used for the AC power supplied to the external device and the usage fee under the control of the controller.

In a preferred embodiment, the control unit further calculates the remaining amount of the battery power charged in the high-voltage battery of the electric vehicle and the estimated discharge time, and displays the remaining amount and expected discharge time on the display unit.

In a preferred embodiment, the AC power supply unit senses a change in voltage due to a change in resistance to determine whether an external device is connected.

In a preferred embodiment, the controller calculates a connection start time, a connection release time, and a power usage time of the external device according to whether the external device determined by the AC power supply unit is connected or not.

In a preferred embodiment of the present invention, the controller multiplies the average value of the amount of current detected by the current detector with the power usage time of the external device to calculate the used power amount, and calculates the usage fee by multiplying the calculated used power amount by the preset reference price .

In a preferred embodiment, the AC power conversion unit includes a bidirectional OBC (On Board Charger).

In a preferred embodiment, the AC power conversion unit includes a DC / AC converter.

In a preferred embodiment, the AC power conversion unit includes a low voltage DC / DC converter (LDC).

(1) The AC power supply unit provided in the electric vehicle determines whether an external device to which electric power is to be supplied is connected; (2) converting AC power from the battery power charged in the high-voltage battery of the electric vehicle to AC power when the external device is connected, and outputting the AC power to an external device connected to the AC power supply; (3) detecting a current amount of the AC current output from the AC power conversion unit to the AC power supply unit; And (4) when the connection of the external device is released, the control unit calculates the amount of electric power to be used and the usage fee for the AC power supplied from the AC power supply unit to the external device by using the amount of the current detected by the current detection unit And a battery power supply method using the electric vehicle.

In a preferred embodiment, (5) the step of displaying on the screen the display unit under the control of the control unit, the amount of used electric power and the usage fee for the AC power supplied to the external device.

In a preferred embodiment, in the step (4), the control unit further calculates the remaining amount of the battery power charged in the high-voltage battery of the electric vehicle and the estimated discharge time so as to be displayed on the display unit.

In a preferred embodiment, in the step (1), the AC power supply unit senses a change in voltage due to a resistance change to determine whether or not an external device is connected.

In a preferred embodiment, the controller calculates the connection start time, the connection release time, and the power use time of the external device according to whether the external device determined by the AC power supply unit is connected or not in the step (4).

In a preferred embodiment of the present invention, in the step (4), the controller multiplies the average value of the amount of current detected by the current detector by the power usage time of the external device to calculate the amount of used power, Calculate the usage fee by multiplying the unit price.

According to an aspect of the present invention, there is provided an electric vehicle including an alternating-current power conversion unit for converting a battery power charged in a high-voltage battery of an electric vehicle into an alternating-current power and outputting the alternating- A current detector for detecting an amount of current to the AC power outputted from the AC power supply to the AC power supply and an amount of electric power used for the AC power supplied to the external device using the amount of current detected by the current detector, And a control unit for calculating a usage fee, so that it is possible to sell the battery power using an electric vehicle in an environment where it is difficult to use electric power such as mountains, fields or the sea.

Also, the present invention detects the presence or absence of connection of an external device, calculates a connection start time, a connection release time and a power use time, calculates an amount of power used according to an average value of a current output to an external device and a power use time, There is an effect that it is possible to accurately calculate the amount of electric power used and the usage fee of various external devices connected to the electric vehicle and supplied with the battery power.

1 is a view for explaining a battery power sales system according to an embodiment of the present invention;
2 is a view for explaining an embodiment of a battery power sales system;
3 is a view for explaining a method of selling battery power according to an embodiment of the present invention.

It should be understood that the specific details of the invention are set forth in the following description to provide a more thorough understanding of the present invention and that the present invention may be readily practiced without these specific details, It will be clear to those who have knowledge.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS. 1 to 3. FIG.

FIG. 1 is a view for explaining a battery power sales system according to an embodiment of the present invention, and FIG. 2 is a view for explaining an embodiment of a battery power sale system.

1 and 2, a battery power supply system according to an embodiment of the present invention includes an AC power conversion unit 110, an AC power supply unit 120, a current detection unit 130, a control unit 140, (150).

Here, the battery power supply system according to an embodiment of the present invention supplies battery power of the electric vehicle 10 to the external device 20 connected to the electric vehicle 10, People who enjoy outdoor activities such as camping, outdoor fishing, and mountain climbing in the outdoors such as mountains, fields or the sea can supply electric power to various external devices 20 including lights, rice cookers and notebooks It can be particularly useful when it is required to do so.

The AC power conversion unit 110 is for discharging the high-voltage battery 11 of the electric vehicle 10 and outputting it to the outside. In particular, the AC power conversion unit 110 is connected to the high-voltage battery 11, And discharging the discharged battery power to the AC power source and outputting the AC power.

The AC power conversion unit 110 may operate under the control of a control unit 140 to be described later. For example, the AC power conversion unit 110 receives a PWM control signal for controlling the switching duty from the control unit 140.

For example, the AC power conversion unit 110 converts commercial power supplied from the outside into DC power, boosts the converted DC power to a high voltage suitable for charging the high-voltage battery 11, , A bidirectional OBC (On Board Charger) for charging the high-voltage battery (11) and for converting the battery power into an AC power suitable for use by the external device (20) .

As another example, the AC power conversion unit 110 may be provided as a DC / AC converter, and the DC / AC converter may convert the battery power charged in the high voltage battery 11 to AC power and output the AC power.

As another example, the AC power conversion unit 110 may be a low voltage DC / DC converter and a DC / AC converter. The LDC may be a battery power source charged in the high voltage battery 11, The DC / AC converter may convert the direct-current power source into a direct-current power source with a low voltage and convert the direct-current power source into an alternating-current power source.

The AC power converted by the AC power conversion unit 110 is output to an AC power supply unit 120 to be described later.

The AC power supply unit 120 supplies AC power to an external device 20 to which electric power is to be supplied. When the external device 20 is connected to the AC power supply unit 120, And an outlet for supplying the AC power output from the AC power source 110. At this time, the plurality of outlets may be provided.

The AC power supply unit 120 may be configured to sense a change in resistance due to the connection of the external device 20 or a change in voltage due to a change in resistance to determine whether the external device 20 is connected or not.

The AC power supply unit 120 outputs a signal according to whether the external device 20 is connected to the controller 140 to be described later so that the controller 140 controls the connection start time of the external device 20, And the power usage time.

When the external device 20 is connected to the AC power supply unit 120, the amount of current supplied to the external device 20 is detected by the current detection unit 130, which will be described later.

The current detector 130 detects the amount of current supplied to the external device 20 connected to the AC power supply unit 120 and detects the amount of current to be supplied to the external device 20 ) Can be calculated.

The current detector 130 is provided between the AC power source conversion unit 110 and the AC power supply unit 120 and is preferably provided between the AC power source conversion unit 110 and the AC power supply unit 120 And a current sensor for detecting the amount of current to the AC power outputted from the AC power source. When the AC power supply unit 120 has a plurality of outlets, the current detection unit 130 may include a plurality of current sensors corresponding to the outlets.

The current amount of the AC power supplied to each external device 20 detected by the current detecting unit 130 is output to the control unit 140 to be described later.

The controller 140 performs overall control on the system and calculates the amount of electric power used and the usage fee of the external device 20 connected to the electric vehicle 10 and supplied with electric power. The usage amount and the usage fee of the AC power supplied to the AC power source 20 may be calculated and displayed on the display unit 150 to be described later.

The control unit 140 monitors the charging voltage of the high-voltage battery 11 to calculate the remaining amount of the battery power charged in the high-voltage battery 11 and the estimated discharge time, and causes the display unit 150 to display It is possible.

The control unit 140 calculates a connection start time, a connection release time, and a power use time of the external device 20 according to whether the external device 20 is discriminated by the AC power supply unit 120 .

That is, the control unit 140 sets the time at which the connection of the external device 20 is determined by the AC power supply unit 120 to the connection start time, the connection of the external device 20 is released, A time from the connection start time to the connection release time can be calculated as the power use time after the time when the connection unit 120 determines that the external device 20 is disconnected from the supply unit 120 is set as the connection release time.

The controller 140 receives the amount of current detected by the current detector 130 and calculates an average current amount that is an average value of the amount of current detected during the power use time. The controller 140 multiplies the calculated average current amount by the power use time The amount of power used is calculated.

That is, the control unit 140 can accurately calculate the amount of power used for the AC power supplied to the external device 20 through the AC power supply unit 120 during the time when the external device 20 is actually connected.

Also, the controller 140 may calculate the usage fee by multiplying the calculated usage power by the reference unit price. At this time, the reference unit price may be set in advance by user input.

The control unit 140 controls the AC power conversion unit 110 to convert the battery power charged in the high voltage battery 11 to AC power and output the battery power to the AC power supply unit 120, The current detector 130 receives a signal corresponding to the presence or absence of the connection of the AC power source 20 and receives the amount of AC power supplied to the external device 20 from the current detector 130.

The display unit 150 is for displaying on the screen the amount of used electric power and the usage fee calculated by the controller 140. Under the control of the controller 140, the use of the AC power supplied to the external device 20 And displays the remaining amount of the battery power and the predicted discharge time of the high-voltage battery 11. [0033] FIG.

In addition, the display unit 150 may be installed inside or outside the electric vehicle 10, or may be provided as a removable display device or an external terminal.

3 is a view for explaining a battery power sales method according to an embodiment of the present invention.

Referring to FIG. 3, a battery power sales method performed in a battery power sales system according to an embodiment of the present invention will be described. However, since the functions performed in the battery power sales method shown in FIG. 3 are all performed in the battery power sales system described with reference to FIGS. 1 and 2, Function is performed in the battery power sales method according to the preferred embodiment of the present invention, and all the functions described with reference to FIG. 3 are performed in the battery power sales system according to the preferred embodiment of the present invention.

First, the AC power supply unit determines whether or not an external device to which power is to be supplied is connected (S110).

At this time, the AC power supply unit includes at least one outlet for supplying AC power to an external device. The AC power supply unit senses a change in resistance caused when an external device is connected or a change in voltage due to the change in resistance, Can be distinguished.

When the external device is connected, the AC power supply unit outputs a signal according to whether the external device is connected to the control unit.

Next, when the external device is connected, the battery power charged in the high-voltage battery of the electric vehicle by the AC power conversion unit is converted into the AC power and outputted to the external device connected to the AC power supply unit (S120).

In this case, the AC power conversion unit may be a bidirectional OBC (On Board Charger) or a DC / AC converter, or a DC / AC converter and a low voltage DC / DC converter (LDC) And converts it to AC power and outputs it.

Also, the AC power output from the AC power conversion unit to the AC power supply unit is supplied to the external device and used as electric power of the external device.

Next, the current detection unit detects the amount of current to the AC power outputted from the AC power supply unit to the AC power supply unit (S130).

In this case, the current detector may be provided as a current sensor, and the amount of the AC power detected by the current detector may be output to the controller. Preferably, the current detecting unit is disposed between the AC power converting unit and the AC power supplying unit.

The current detecting unit may be provided with a plurality of current sensors corresponding to the respective sockets when the sockets of the AC power supply unit are plural.

Next, the controller calculates an amount of used electric power and a usage fee for the AC power supplied to the external device (S140).

At this time, the controller can calculate the connection start time, the connection release time, and the power use time of the external device depending on whether the external device determined by the AC power supply unit is connected or not. That is, the control unit calculates the time from the connection start time, which is the time when the external device is connected to the AC power supply unit, to the connection release time when the external device is disconnected, as the power use time.

Also, the controller calculates an average current amount that is an average value of the amount of current detected during the power use time of the external device, using the amount of current detected by the current detecting portion.

The control unit may calculate an amount of power used for the external device by multiplying the average current amount by the amount of power use time, and calculate the usage fee by multiplying the calculated amount of used power by a predetermined reference unit price. That is, the control unit can accurately calculate the amount of electric power used for the AC power source actually supplied by the external device and the usage fee.

Meanwhile, the control unit may monitor the high-voltage battery of the electric vehicle to further calculate the remaining amount of battery power and the estimated discharge time.

Next, under the control of the control unit, the display unit displays the amount of used electric power and the usage charge for the AC power supplied to the external device on the screen (S150).

At this time, the display unit displays information on the amount of power used and the usage fee from the controller, displays the remaining amount on the predetermined interface, and displays the remaining amount of the battery power and the estimated discharge time.

In addition, the owner of the electric vehicle can check the amount of the used electric power and the usage charge displayed on the display unit, and charge the usage fee to each external device owner.

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 embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

110: AC power conversion section
120: AC power supply
130:
140:
150:

Claims (15)

A battery power sales system mounted on an electric vehicle,
An alternating-current power conversion unit connected to a high-voltage battery of the electric vehicle, for converting battery power charged in the high-voltage battery into alternating-current power and outputting the alternating-current power;
An AC power supply unit connected to an external device to receive electric power and supplying the AC power outputted from the AC power conversion unit to the connected external device;
A current detector for detecting an amount of current to the AC power outputted from the AC power converting unit to the AC power supplying unit;
A control unit for controlling the AC power converting unit and calculating an amount of used electric power and a usage fee for the AC power supplied from the AC power supply unit to the external device by using the amount of the current detected by the current detecting unit; And
And a display unit for displaying on the screen the amount of power used and the usage fee for the AC power supplied to the external device under the control of the control unit,
The external device is an electronic device and an electric device powered by electricity, including a lighting device, an electric rice cooker, and a notebook,
The AC power supply unit senses a change in voltage due to a change in resistance to determine whether an external device is connected,
Wherein the control unit calculates a connection start time, a connection release time, and a power use time of the external device according to whether the external device is discriminated by the AC power supply unit, calculates an average value of the amount of current detected by the current detection unit, And calculates a usage charge by multiplying the calculated usage power by a predetermined reference unit price to charge the usage fee by the amount of electric power used by the electric appliance and the electric appliance connected to the electric vehicle,
The remaining amount of the battery power charged in the high-voltage battery of the electric vehicle and the estimated discharge time are further calculated and displayed on the display unit,
Wherein the AC power conversion unit is one of a bidirectional OBC (On Board Charger), a DC / AC converter, and a low voltage DC / DC converter (LDC).
delete delete delete delete delete delete delete delete (1) determining whether an AC power supply unit is connected to an external device to receive electric power;
(2) converting AC power from the battery power charged in the high-voltage battery of the electric vehicle to AC power when the external device is connected, and outputting the AC power to an external device connected to the AC power supply;
(3) detecting a current amount of the AC current output from the AC power conversion unit to the AC power supply unit;
(4) when the connection of the external device is released, the control unit calculates the amount of electric power to be used and the usage fee for the AC power supplied from the AC power supply unit to the external device by using the amount of current detected by the current detection unit; And
(5) displaying on the screen the amount of electric power used by the display unit and the AC power supplied to the external device under the control of the control unit and the usage fee,
The external device is an electronic device and an electric device powered by electricity, including a lighting device, an electric rice cooker, and a notebook,
In the step (1), the AC power supply unit senses a change in voltage due to a resistance change to determine whether an external device is connected,
In the step (4), the controller calculates a connection start time, a connection release time, and a power use time of the external device according to the presence or absence of connection of the external device determined by the AC power supply part, Is calculated by multiplying the average value of the power consumption of the external device by the power usage time of the external device and then calculating the usage charge by multiplying the calculated usage power by the predetermined reference price to calculate the usage charge, Charge a fee,
In the step (4), the control unit may further calculate a remaining amount of the battery power charged in the high-voltage battery of the electric vehicle and a predicted discharge time so as to be displayed on the display unit,
Wherein the AC power conversion unit is one of a bidirectional OBC (On Board Charger), a DC / AC converter, and a low voltage DC / DC converter (LDC).

delete delete delete delete delete
KR1020150088913A 2015-06-23 2015-06-23 System and method for selling battery power using electric vehicle KR101692810B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011055572A (en) * 2009-08-31 2011-03-17 Meidensha Corp Electric vehicle charging/discharging device and charging/discharging method using electric vehicle charging/discharging device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101132948B1 (en) * 2010-05-13 2012-04-05 엘에스산전 주식회사 System, Apparatus and Method for Charge and Discharge Control of Electric Vehicle
KR101498100B1 (en) * 2013-04-08 2015-03-13 조성규 Electric car and intermediate server for location based power mediation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011055572A (en) * 2009-08-31 2011-03-17 Meidensha Corp Electric vehicle charging/discharging device and charging/discharging method using electric vehicle charging/discharging device

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