CN-112977404-B - Vehicle and control method thereof

Abstract

The present disclosure provides a vehicle including a battery, an electric power supply device configured to supply charging electric power to the battery, a power generation device provided to be detachable, a battery sensor configured to detect a state of charge of the battery, and a controller configured to determine whether the power generation device is installed based on the state of charge of the battery, adjust a charge target amount of the battery in a decreasing direction when the power generation device is installed, and control the electric power supply device based on the adjusted charge target amount when traveling, and a control method thereof.

Inventors

• JIN CHEN
• PU HANYING

Assignees

• 现代自动车株式会社
• 现代自动车株式会社
• 起亚自动车株式会社
• 起亚自动车株式会社

Dates

Publication Date

20260421

Application Date

20200805

Priority Date

20191218

Claims (18)

1. 1. A vehicle, comprising: A battery; An electric power supply device for supplying charging electric power to the battery when traveling; The power generation device is detachable; a battery sensor for detecting a state of charge of the battery; a running detection sensor for detecting a running state of the vehicle, and And (3) a controller: determining whether the vehicle is in a stopped state based on the running state of the vehicle detected by the running detection sensor, Based on the state of charge of the battery in the stopped state of the vehicle, whether the charge amount of the battery is increased, When the charge amount increases, based on the output of a switch connected to the battery, it is determined whether the battery is charged by an external charger, When not charged by the external charger, it is determined that the battery is being charged by the power generation device mounted on the vehicle, When it is determined that the power generation device is mounted on the vehicle, the charge target amount of the battery is adjusted in a decreasing direction, Controlling the electric power supply device based on the adjusted charge target amount when traveling, The switch outputs information about whether any of the hood, trunk and door where the battery can be located is open, The controller determines to charge by the external charger if any one of the switches is turned on based on an output of the switch.
2. 2. The vehicle according to claim 1, wherein, The electric power supply device is an alternator that supplies charging electric power to the battery based on a rotational force of an engine.
3. 3. The vehicle according to claim 1, wherein, The power supply device is a converter that supplies charging power to a main battery by converting high-voltage power of the battery into low-voltage power.
4. 4. The vehicle according to claim 1, further comprising: an illuminance sensor for detecting illuminance, and And a temperature sensor for detecting an external temperature.
5. 5. The vehicle according to claim 4, wherein, The controller controls to prevent overcharge of the battery when the vehicle is stopped and the battery is fully charged.
6. 6. The vehicle according to claim 5, wherein, The controller controls a switch between the battery and the power generation device to prevent overcharge of the battery.
7. 7. The vehicle according to claim 5, wherein, The controller determines an electric load based on at least one of the illuminance and the external temperature, and controls the battery to supply electric power to the electric load to prevent overcharge of the battery.
8. 8. The vehicle according to claim 4, wherein, The controller determines an hourly power generation amount of the power generation device when the vehicle is stopped and the battery is charged.
9. 9. The vehicle according to claim 8, wherein, The controller determines the hourly power generation amount according to at least one of the illuminance and the external temperature.
10. 10. The vehicle according to claim 8, wherein, The controller adjusts the charge target amount of the battery in a direction that decreases in proportion to the hourly power generation amount of the power generation device.
11. 11. The vehicle according to claim 4, wherein, The controller determines an adjustment amount of a charge target amount of the battery based on at least one of the illuminance and the external temperature.
12. 12. A control method of a vehicle including a battery, an electric power supply device for supplying charging electric power to the battery, a detachable power generation device, and a battery sensor for detecting a state of charge of the battery, the control method comprising: determining whether the vehicle is in a stopped state based on the running state of the vehicle detected by the running detection sensor; determining whether the charge amount of the battery increases based on the state of charge of the battery in the stopped state of the vehicle; When the charge amount increases, determining whether the battery is charged by an external charger based on an output of a switch connected to the battery; determining that a battery is being charged by the power generation device mounted on the vehicle when not being charged by an external charger; When it is determined that the power generation device is mounted in the vehicle, adjusting the charge target amount of the battery in a decreasing direction, and Controlling the electric power supply device based on the adjusted charge target amount when traveling, The switch outputs information about whether any of the hood, trunk and door where the battery can be located is open, According to the output of the switch, if any one of the switches is turned on, it is determined to be charged by the external charger.
13. 13. The control method according to claim 12, wherein, The power supply device is an alternator, and The control method further includes: the alternator supplies charging power to the battery based on a rotational force of an engine.
14. 14. The control method according to claim 12, wherein, The power supply device is a converter, and The control method further includes: the converter supplies charging power to the battery by converting high-voltage power of the main battery into low-voltage power.
15. 15. The control method according to claim 12, wherein, The vehicle further includes: an illuminance sensor for detecting illuminance, and And a temperature sensor for detecting an external temperature.
16. 16. The control method according to claim 15, further comprising: control is performed to prevent overcharge of the battery when the vehicle is stopped and the battery is fully charged.
17. 17. The control method according to claim 16, wherein, Controlling to prevent overcharge of the battery includes: A switch between the battery and the power generation device is controlled to prevent overcharge of the battery.
18. 18. The control method according to claim 16, wherein, Controlling to prevent overcharge of the battery includes: determining an electrical load based on at least one of the illuminance and the external temperature, and The battery is controlled to supply power to the electrical load to prevent overcharge of the battery.

Description

Vehicle and control method thereof Cross Reference to Related Applications The present application claims priority from korean patent application No. 10-2019-0169462 filed in the korean intellectual property office on 12 months 18 of 2019, which is incorporated herein by reference. Technical Field The present disclosure relates to a vehicle and a control method thereof. Background Recently, there is an increasing demand for energy harvesting (ENERGY HARVESTING) for use in vehicles. As a result, more and more users are installing power generation devices for energy collection in vehicles. However, when the battery is charged based on the power generation device for energy collection, there is a problem in that the vehicle cannot manage the battery charge amount since there is no information about the power generation device. In particular, when a power generation device is installed in an existing vehicle that charges a battery according to an alternator or a converter, additional battery charging by the power generation device may have a problem in management of battery charge amount. Disclosure of Invention The present disclosure relates to a vehicle and a control method thereof. The specific embodiments relate to a vehicle that may be equipped with a power generation device and a control method thereof. Accordingly, embodiments of the present disclosure provide a vehicle and a control method thereof that control a battery charge amount by determining whether a power generation device for energy collection is installed. According to one embodiment of the present disclosure, a vehicle includes a battery, an electric power supply device configured to supply charging electric power to the battery, a power generation device provided to be detachable, a battery sensor configured to detect a state of charge of the battery, and a controller configured to determine whether the power generation device is installed based on the state of charge of the battery, adjust a charge target amount of the battery in a decreasing direction when the power generation device is installed, and control the electric power supply device based on the adjusted charge target amount when traveling. The power supply device may be an alternator configured to supply charging power to the battery based on a rotational force of the engine. The power supply device may be a converter configured to supply charging power to the battery by converting high-voltage power of the main battery into low-voltage power. The vehicle may further include a travel detection sensor configured to detect a travel state of the vehicle, and the controller may be configured to determine that the power generation device is installed when the vehicle is stopped and the battery is charged. The vehicle may further include an illuminance sensor configured to detect illuminance, and a temperature sensor configured to detect an external temperature. The controller may be configured to control to prevent overcharge of the battery when the vehicle is stopped and the battery is fully charged. The controller may be configured to control a switch between the battery and the power generation device to prevent overcharge of the battery. The controller may be configured to determine an electric load based on at least one of illuminance and external temperature, and control the battery to supply electric power to the electric load to prevent overcharge of the battery. The controller may be configured to determine an hourly power generation amount of the power generation device when the vehicle is stopped and the battery is charged. The controller may be configured to determine the hourly power generation amount according to at least one of illuminance and external temperature. The controller may be configured to adjust the charge target amount of the battery in a direction that decreases in proportion to the hourly power generation amount of the power generation device. The controller may be configured to determine an adjustment amount of the charge target amount of the battery based on at least one of the illuminance and the external temperature. According to another embodiment of the present disclosure, there is provided a control method of a vehicle including a battery, a power supply device configured to supply charging power to the battery, a power generation device provided to be detachable, and a battery sensor configured to detect a state of charge of the battery. The control method includes determining whether a power generation device is installed based on a state of charge of a battery, adjusting a charge target amount of the battery in a decreasing direction when the power generation device is installed, and controlling a power supply device based on the adjusted charge target amount when traveling. The power supply device may be an alternator configured to supply charging power to the battery based on a rotational force of the engine. The power supply device may be a