System and method for a one-time departure schedule setup for charging battery-electric vehicles

• US 9,248,838 B2
• Filed: 05/28/2015
• Issued: 02/02/2016
• Est. Priority Date: 04/13/2012
• Status: Active Grant

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Motor Engineering & Manufacturing North America Incorporated (Toyota Motor Corporation)
• Inventors: Kusumi, Hidetoshi, Ito, Hisanori
• Primary Examiner(s): Tarcza, Thomas
• Assistant Examiner(s): Dunn, Alex C
• Application Number:
  US14/723,768
• Publication Number:
  US 20150258998A1
• Time in Patent Office: 250 Days
• Field of Search: 701/22
• US Class Current: 1/1
• CPC Class Codes: B60L 1/003 to auxiliary motors, e.g. for pumps, compressors
• CPC Class Codes: B60L 2240/34 Cabin temperature
• CPC Class Codes: B60L 2250/14 by input of vehicle departure time
• CPC Class Codes: B60L 2250/16 by display
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/665 Methods related to measuring, billing or payment
• CPC Class Codes: B60L 58/13 Maintaining the SoC within a determined range
• CPC Class Codes: B60W 10/26 for electrical energy, e.g. batteries or capacitors
• CPC Class Codes: B60W 10/30 including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
• CPC Class Codes: B60W 2050/0004 In digital systems, e.g. discrete-time systems involving sampling
• CPC Class Codes: B60W 50/0098 Details of control systems ensuring comfort, safety or stability not otherwise provided for
• CPC Class Codes: B60W 50/085 Changing the parameters of the control units, e.g. changing limit values, working points by control input
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y02T 90/167 Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 30/14 Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A method and a system for making a one-time change to a primary departure schedule of a battery-electric vehicle for charging or pre-climate operations without affecting the future departure times of the primary departure schedule. The system can be a vehicle including an ECU, a memory, a battery, a charger connected to an external power source, a BMS, an HVAC and a display. The method may include receiving an alternate departure date and time different from the primary departure schedule, deactivating the charging or pre-climate operations based on the primary departure schedule and activating charging or pre-climate operations based on the alternate departure date and time. The method and system may also include receiving an immediate charge mode designation, deactivating the charging or pre-climate operations based on the primary schedule and immediately activating the charging operations without affecting the primary departure schedule.

Claims

1. A vehicle comprising:

a battery for storing electrical energy;

a battery charger for controlling storage of electrical energy in the battery using an external power source;

a Heating, Ventilation and Air Conditioning (HVAC) unit; and

an Electronic Control Unit (ECU) communicatively coupled to the battery charger and the HVAC unit, the ECU configured to;

receive a primary departure schedule having recurring dates or times for at least one of performing one or more charging operations of the battery using the battery charger or performing one or more pre-climate operations using the HVAC unit to adjust an interior climate of the vehicle prior to a departure,

receive an alternate departure date or time that is different from the recurring dates or times of the primary departure schedule,

perform at least one of a first charging operation of the battery using the battery charger or a first pre-climate operation using the HVAC unit in advance of the alternate departure date or time, and

perform at least one of a second charging operation of the battery using the battery charger or a second pre-climate operation using the HVAC unit based on the recurring dates or times of the primary departure schedule after the alternate departure date or time has passed.

2. The vehicle of claim 1, wherein the ECU is further configured to temporarily deactivate at least one of the one or more charging operations or the one or more pre-climate operations that are based on the primary departure schedule until the alternate departure date and time has passed.

3. The vehicle of claim 1, wherein the ECU is further configured to determine a first date or time to perform at least one of the first charging operation or the first pre-climate operation based on a time period remaining until a next departure date or time of the primary departure schedule,

wherein the step of performing at least one of the first charging operation of the battery using the battery charger or the first pre-climate operation using the HVAC unit is performed based on the determined first date or time.

4. The vehicle of claim 1, wherein the vehicle is connected to the external power source using an electrical cable connection, and

wherein the received primary departure schedule and the alternate departure date or time are based on user input.

5. The vehicle of claim 1, wherein the ECU is further configured to recalculate, without any user interaction, a date or a time to begin at least one of the second charging operation or the second pre-climate operation after the alternate departure date and time has passed based on a time period remaining until a next departure date or time of the primary departure schedule, and

wherein the step of performing at least one of the second charging operation of the battery using the battery charger or the second pre-climate operation using the HVAC unit is performed based on the recalculated date or time.

6. The vehicle of claim 5, further comprising a display communicatively coupled to the ECU and configured to display an image based on the recalculated date or time for communicating a status of at least one of the second charging operation or the second pre-climate operation to a user.

7. The vehicle of claim 1, wherein the ECU is further configured to cancel a current pre-climate operation when a door of the vehicle is opened, and the display is further configured to display an image based on whether the current pre-climate operation has been cancelled.

8. The vehicle of claim 1, wherein the ECU is further configured to receive an editing set of primary departure schedule data based on user inputs and modify the primary departure schedule based on the received editing set of primary departure schedule data.

9. The vehicle of claim 1, wherein the battery charger is a part of a Battery Management and Charging Unit (BMCU) that is positioned in the vehicle and further includes a Battery Management System (BMS),

wherein the BMS is coupled to the battery and configured to determine a state of charge of the battery and communicate the state of charge of the battery to the ECU, and

wherein the ECU is configured to initiate or terminate the first charging operation and the second charging operation based on the state of charge of the battery.

10. The vehicle of claim 1, wherein the battery charger is an external charger positioned outside of the vehicle.

11. A computer-based method for managing charging operations or pre-climate operations of a vehicle, comprising:

receiving, using an Electronic Control Unit (ECU), a primary departure schedule having recurring dates or times for at least one of performing one or more charging operations of a battery of the vehicle using a battery charger or performing one or more pre-climate operations, using a Heating, Ventilation and Air Conditioning (HVAC) unit to adjust an interior climate of the vehicle prior to a departure;

receiving, using the ECU, an alternate departure date or time that is different from the recurring dates or times of the primary departure schedule;

performing at least one of a first charging operation of the battery using the battery charger or a first pre-climate operation using the HVAC unit in advance of the alternate departure date or time; and

performing at least one of a second charging operation of the battery using the battery charger or a second pre-climate operation using the HVAC unit based on the recurring dates or times of the primary departure schedule after the alternate departure date or time has passed.

12. The method of claim 11, further comprising temporarily deactivating, using a signal transmitted by the ECU, at least one of the one or more charging operations or the one or more pre-climate operations that are based on the primary departure schedule until the alternate departure date and time has passed.

13. The method of claim 11, further comprising automatically determining, using the ECU, a first date or time to perform at least one of the first charging operation or the first pre-climate operation based on a time period remaining until a next departure date or time of the primary departure schedule, wherein the step of performing at least one of the first charging operation of the battery using the battery charger or the first pre-climate operation using the HVAC unit is performed based on the determined first date or time.

14. The method of claim 11, further comprising recalculating, using the ECU and without any user interaction, a date or a time to begin at least one of the second charging operation or the second pre-climate operation after the alternate departure date and time has passed based on a time period remaining until a next departure date or time of the primary departure schedule,

wherein the step of performing at least one of the second charging operation of the battery using the battery charger or the second pre-climate operation using the HVAC unit is performed based on the recalculated date or time.

15. The method of claim 14, further comprising displaying, using a display, an image based on the recalculated date or time for communicating a status of at least one of the second charging operation of the battery or the second pre-climate operation.

16. The method of claim 11, further comprising:

cancelling a current pre-climate operation when a door of the vehicle is opened; and

displaying, using a display, an image based on whether the current pre-climate operation has been cancelled.

17. The method of claim 11, further comprising:

receiving, using the ECU, an editing set of primary departure schedule data; and

modifying, using the ECU, the primary departure schedule based on the received editing set of primary departure schedule data.

18. A computer-based system for managing charging operations or pre-climate operations of a vehicle, comprising:

a battery for storing electrical energy;

a Battery Management and Charging Unit (BMCU) including a Battery Management System (BMS) and a battery charger, the battery charger configured to control storage of electrical energy in the battery using an external power source;

a Heating, Ventilation and Air Conditioning (HVAC) unit; and

an Electronic Control Unit (ECU) communicatively coupled to the battery charger and the HVAC unit, the ECU configured to;

receive a primary departure schedule having recurring dates or times for at least one of performing one or more charging operations of the battery using the battery charger or performing one or more pre-climate operations using the HVAC unit to adjust an interior climate of the vehicle prior to a departure,

receive an alternate departure date or time that is different from the recurring dates or times of the primary departure schedule,

perform at least one of a first charging operation of the battery using the battery charger or a first pre-climate operation using the HVAC unit in advance of the alternate departure date or time, and

perform at least one of a second charging operation of the battery using the battery charger or a second pre-climate operation using the HVAC unit based on the recurring dates or times of the primary departure schedule after the alternate departure date or time has passed.

19. The computer-based system of claim 18, wherein the ECU is further configured to temporarily deactivate at least one of the one or more charging operations or the one or more pre-climate operations that are based on the primary departure schedule until the alternate departure date and time has passed.

20. The computer-based system of claim 18, wherein the ECU is further configured to recalculate, without any user interaction, a date or a time to begin at least one of the second charging operation or the second pre-climate operation after the alternate departure date and time has passed based on a time period remaining until a next departure date or time of the primary departure schedule, and

wherein the step of performing at least one of the second charging operation of the battery using the battery charger or the second pre-climate operation using the HVAC unit is performed based on the recalculated date or time.