Electric power supply control apparatus for vehicle and electric power supply control method for vehicle

Patent metadata

Field	Value
Publication number	US-11059385-B2
Application number	US-201916557661-A
Country	US
Kind code	B2
Filing date	Aug 30, 2019
Priority date	Oct 2, 2018
Publication date	Jul 13, 2021
Grant date	Jul 13, 2021

Abstract

There is provide an electric power supply control apparatus for a vehicle comprising a battery, an electric motor, and a temperature controller, the electric power supply control apparatus sets one of upper limit values of driving electric power and temperature controlling electric power at a predetermined value that is equal to or smaller than a total electric power upper limit value without being limited by the other one of the driving electric power and the temperature controlling electric power, and sets the upper limit value of the other one of electric power in a way such that a sum of the upper limit value of the other one of electric power and the one of electric power is equal to or smaller than the total electric power upper limit value.

First claim

The invention claimed is:

1. An electric power supply control apparatus for a vehicle,
the vehicle comprising:
a battery;
an electric motor configured to generate a driving force of the vehicle by receiving driving electric power from the battery; and
a temperature controller capable of heating or cooling at least one of a vehicle interior and the battery by receiving a supply of temperature regulating electric power from the battery,

the electric power supply control apparatus for the vehicle being configured to:
set one of an upper limit value of the driving electric power and an upper limit value of the temperature controlling electric power at a predetermined value that is equal to or smaller than a total electric power upper limit value without being limited by the other one of the driving electric power and the temperature controlling electric power, the total electric power upper limit value being an upper limit value of electric power within electric power that can be output by the battery and can be used by at least one of the electric motor and the temperature controller; and
set the upper limit value of the other one of electric power in such a manner that a sum of the upper limit value of the other one of electric power and the one of electric power is equal to or smaller than the total electric power upper limit value.

2. The electric power supply control apparatus for the vehicle according to claim 1 , wherein the electric power supply control apparatus is configured to set the upper limit value of the other one of electric power in such a manner that the sum of the upper limit value of the other one of electric power and the one of electric power is smaller than the total electric power upper limit value.

3. The electric power supply control apparatus for the vehicle according to claim 2 , wherein the electric power supply control apparatus is configured to set a difference between the sum of the upper limit value of the other one of electric power and the one of electric power and the total electric power upper limit value in accordance with a maximum permissible increasing rate of the one of electric power.

4. The electric power supply control apparatus for the vehicle according to claim 2 , wherein the electric power supply control apparatus is configured to set a difference between the sum of the upper limit value of the other one of electric power and the one of electric power and the total electric power upper limit value in accordance with a control response of the other one of electric power.

5. The electric power supply control apparatus for the vehicle according to claim 3 , wherein the electric power supply control apparatus is configured to set the difference between the sum of the upper limit value of the other one of electric power and the one of electric power and the total electric power upper limit value in accordance with a control response of the other one of electric power.

6. The electric power supply control apparatus for the vehicle according to claim 1 , wherein
the one of electric power is the driving electric power,
the other one of electric power is the temperature controlling electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the driving electric power to the total electric power upper limit value.

7. The electric power supply control apparatus for the vehicle according to claim 2 , wherein
the one of electric power is the driving electric power,
the other one of electric power is the temperature controlling electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the driving electric power to the total electric power upper limit value.

8. The electric power supply control apparatus for the vehicle according to claim 3 , wherein
the one of electric power is the driving electric power,
the other one of electric power is the temperature controlling electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the driving electric power to the total electric power upper limit value.

9. The electric power supply control apparatus for the vehicle according to claim 4 , wherein
the one of electric power is the driving electric power,
the other one of electric power is the temperature controlling electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the driving electric power to the total electric power upper limit value.

10. The electric power supply control apparatus for the vehicle according to claim 5 , wherein
the one of electric power is the driving electric power,
the other one of electric power is the temperature controlling electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the driving electric power to the total electric power upper limit value.

11. The electric power supply control apparatus for the vehicle according to claim 1 , wherein
the one of electric power is the temperature controlling electric power,
the other one of electric power is the driving electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the temperature controlling electric power to a value of a rated output of the temperature controller.

12. The electric power supply control apparatus for the vehicle according to claim 2 , wherein
the one of electric power is the temperature controlling electric power,
the other one of electric power is the driving electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the temperature controlling electric power to a value of a rated output of the temperature controller.

13. The electric power supply control apparatus for the vehicle according to claim 3 , wherein
the one of electric power is the temperature controlling electric power,
the other one of electric power is the driving electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the temperature controlling electric power to a value of a rated output of the temperature controller.

14. The electric power supply control apparatus for the vehicle according to claim 4 , wherein
the one of electric power is the temperature controlling electric power,
the other one of electric power is the driving electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the temperature controlling electric power to a value of a rated output of the temperature controller.

15. The electric power supply control apparatus for the vehicle according to claim 5 , wherein
the one of electric power is the temperature controlling electric power,
the other one of electric power is the driving electric power, and
the electric power supply control apparatus is further configured to set an upper limit value of the temperature controlling electric power to a value of a rated output of the temperature controller.

16. An electric power supply control apparatus for a vehicle,
the vehicle comprising:
a battery;
an electric motor configured to generate a driving force of the vehicle by receiving driving electric power from the battery; and
a temperature controller capable of heating or cooling at least one of a vehicle interior and the battery by receiving a supply of temperature regulating electric power from the battery,

Assignees

• Subaru Corp

Inventors

• Moriya Fumiyuki
• Watanabe Ken
• Hoshi Ryohei

Classifications

• H01M10/48

  Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569) · CPC title

• B60L50/50

  using propulsion power supplied by batteries or fuel cells · CPC title

• B60L3/00

  Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption (methods or circuit arrangements for monitoring or controlling batteries or fuel cells B60L58/00) · CPC title

• B60L58/25

  by controlling the electric load · CPC title

• Y02T10/64

  Electric machine technologies in electromobility · CPC title