# US 10,500,973 B2 · Electric vehicle and control method thereof

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- Number: US 10,500,973 B2
- Document ID: US10500973B2
- Status: Granted
- Kind: B2
- Application number: 15/646,541
- Filed: 2017-07-11
- Published: 2018-08-23
- Granted: 2019-12-10
- Earliest claimed: 2017-02-22
- Assignees: Hyundai Motor Company; Kia Motors Corporation
- Applicants: Hyundai Motor Company; Kia Motors Corporation
- Inventors: Myoung-Kyoung Ji
- Web page: https://patentgrep.com/patent/US10500973B2

## CPC

- B60L 15/2045: {for optimising the use of energy}
- B60K 35/10: Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
- B60K 35/22: Display screens
- B60K 35/28: characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
- B60L 50/51: characterised by AC-motors
- B60L 50/64: Constructional details of batteries specially adapted for electric vehicles
- B60L 58/12: responding to state of charge [SoC]
- G01C 21/3611: {using character input or menus, e.g. menus of POIs (character input methods in general G06F3/0233)}
- G01C 21/3697: {Output of additional, non-guidance related information, e.g. low fuel level (G01C21/3679 takes precedence)}
- B60K 35/81: for controlling displays
- B60K 2360/1438: Touch screens
- B60K 2360/161: Explanation of functions, e.g. instructions
- B60K 2360/169: Remaining operating distance or charge
- B60K 2360/828: Mounting or fastening exchangeable modules
- B60K 2360/834: Docking arrangements
- B60L 2210/14: Boost converters
- B60L 2210/42: Voltage source inverters
- G01C 21/3661: {Guidance output on an external device, e.g. car radio}
- H04B 1/3833: {Hand-held transceivers}
- H04L 67/12: specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- Y02T 10/64: Electric machine technologies in electromobility
- Y02T 10/70: Energy storage systems for electromobility, e.g. batteries
- Y02T 10/72: Electric energy management in electromobility
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S)
- H04B: TRANSMISSION
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

An electric vehicle and a control method of the electric vehicle are provided. The electric vehicle includes a battery, a charger configured to supply power of the battery to a user terminal, an input configured to receive a destination from a user, and a controller configured to calculate an estimated amount of power consumed for traveling of the electric vehicle and an estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination. The controller is configured to determine a charging method of the charger based on a current amount of charge of the battery, the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal.

## Claims

### Claim 1

An electric vehicle comprising:
a battery;
a charger configured to supply power of the battery to a user terminal;
an input configured to receive a destination from a user; and
a controller configured to calculate an estimated amount of power consumed for traveling of the electric vehicle and an estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination,
wherein the controller is configured to determine a charging method of the charger based on a current amount of charge of the battery, the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 2 (depends on 1)

The electric vehicle according to claim 1, wherein the controller is configured to reduce a current charging amount per unit time of the charger if the current amount of charge of the battery is less than or equal to the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 3 (depends on 2)

The electric vehicle according to claim 2, wherein the controller is configured to, after reducing the current charging amount per unit time of the charger, recalculate the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination, and
if the recalculation result reveals that the current amount of charge of the battery is less than or equal to the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal, stop supplying power from the charger.

### Claim 4 (depends on 3)

The electric vehicle according to claim 3, further comprising a communicator connected to the user terminal to communicate with the user terminal,
wherein the controller is configured to release a connection of the communicator with the user terminal if the recalculation result reveals that the current amount of charge of the battery is less than or equal to the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 5 (depends on 3)

The electric vehicle according to claim 3, further comprising a display,
wherein the controller is configured to control the display to display a screen informing that a charging amount per unit time of the charger has decreased, if the recalculation result reveals that the current amount of charge of the battery is greater than the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 6 (depends on 1)

The electric vehicle according to claim 1, wherein, when the input receives the destination from the user, the controller is configured to calculate an estimated amount of power consumed for travelling of the electric vehicle and an estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination.

### Claim 7 (depends on 6)

The electric vehicle according to claim 6, wherein the controller is configured to calculate an available travel distance of the electric vehicle based on the current amount of charge of the battery and the current charging amount per unit time of the charger if the destination is not set.

### Claim 8 (depends on 7)

The electric vehicle according to claim 7, further comprising a display,
wherein the display displays the available travel distance of the electric vehicle.

### Claim 9 (depends on 2)

The electric vehicle according to claim 2, further comprising a communicator connected to the user terminal and configured to receive an image from the user terminal,
wherein the controller is configured to control resolution of the image based on a remaining battery charge amount of the user terminal, if the current amount of charge of the battery is greater than the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 10 (depends on 9)

The electric vehicle according to claim 9, the controller is configured to determine whether a preset reference time has elapsed after connection between the communicator and the user terminal if the current amount of charge of the battery is greater than the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal, and change the resolution of the image based on the remaining battery charge amount of the user terminal if the reference time has not elapsed.

### Claim 11

A control method of an electric vehicle driving a motor by using electric power charged in a battery, the control method comprising:
supplying, by a charger, power of the battery to a user terminal;
receiving, by an input, a destination from a user;
calculating, by a controller, an estimated amount of power consumed for traveling of the electric vehicle and an estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination; and
determining, by the controller, a charging method of the charger based on a current amount of charge of the battery, the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 12 (depends on 11)

The control method according to claim 11, wherein the determining of a charging method of the charger comprises
reducing a current charging amount per unit time of the charger if the current amount of charge of the battery is less than or equal to the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 13 (depends on 12)

The control method according to claim 12, wherein the determining of a charging method of the charger comprises:
recalculating the estimated amount of power consumed for travelling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination; and
stopping supplying power from the charger if the recalculation result reveals that the current amount of charge of the battery is less than or equal to the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 14 (depends on 13)

The control method according to claim 13, wherein the stopping of supplying power from the charger comprises
stopping supplying power from the charger and releasing connection of the communicator to the user terminal if the recalculation result reveals that the current amount of charge of the battery is less than or equal to the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 15 (depends on 13)

The control method according to claim 13, wherein the determining of a charging method of the charger comprises
controlling a display to display a screen informing that a charging amount per unit time of the charger has decreased if the recalculation result reveals that the current amount of charge of the battery is greater than the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 16 (depends on 11)

The control method according to claim 11, further comprising determining, by the controller, whether a destination is set, prior to the receiving of a destination,
wherein calculating an estimated amount of power consumed for traveling of the electric vehicle and an estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination comprises calculating, if the destination is set, the estimated amount of power consumed for traveling of the electric vehicle and the estimated amount of power consumed for supplying power to the user terminal in a case that the electric vehicle travels to the destination.

### Claim 17 (depends on 16)

The control method according to claim 16, further comprising calculating an available travel distance of the electric vehicle based on the current amount of charge of the battery and the current charging amount per unit time of the charger if any destination is not set, prior to the receiving of a destination.

### Claim 18 (depends on 17)

The control method according to claim 17, further comprising displaying, by a display, the available travel distance of the electric vehicle.

### Claim 19 (depends on 12)

The control method according to claim 12, wherein the determining of a charging method of the charger comprises
changing resolution of an image received from the user terminal based on a remaining battery charge amount of the user terminal if the current amount of charge of the battery is greater than the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal.

### Claim 20 (depends on 19)

The control method according to claim 19, wherein the changing of resolution of an image comprises:
determining whether a preset reference time has been elapsed after connection between the communicator and the user terminal, if the current amount of charge of the battery is greater than the estimated amount of power consumed for travelling of the electric vehicle, and the estimated amount of power consumed for supplying power to the user terminal; and
changing the resolution of the image based on the remaining battery charge amount of the user terminal if the reference time has not elapsed.