Vehicular heating control system, method, and computer-readable storage medium
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKeiji Yasui
Life of this patent
Estimating the term…
Abstract
A vehicular heating control system, method, and program acquire an operation value that is a setting by an occupant and, when there is no manual operation, acquire a fuel consumption reduction amount and a fuel consumption amount and, when the fuel consumption reduction amount exceeds the fuel consumption amount and an improvement in fuel economy is expected, execute seat heater control, that is, heating by an electrothermal heater, decrease the wind force of a blower fan, and lower an engine startup threshold value. Heating by an air conditioning system and heating by the electrothermal heater are combined, so a heating effect is obtained while reducing the fuel consumption amount.
Claims10
A vehicular heating control system comprising:
- fuel consumption reduction amount acquiring unit that acquires a fuel consumption reduction amount in an operating mode accompanied by an engine shutdown;
- fuel consumption amount acquiring unit for acquiring a fuel consumption amount corresponding to electric power consumption during heating by an electrothermal heater that heats the vehicle cabin interior with heat resulting from electric power supply and that is disposed separately from heating unit, which heats a vehicle cabin interior using engine cooling water as a heat source during heating;
- determining unit that determines that there exists a fuel economy improving state when the fuel consumption amount that has been acquired by the fuel consumption amount acquiring unit is less than the fuel consumption reduction amount that has been acquired by the fuel consumption reduction amount acquiring unit;
- and
- control unit that controls heating by the electrothermal heater when it has been determined by the determining unit that there exists a fuel economy improving state.
A vehicular heating control method comprising:
- a fuel consumption reduction amount acquiring step that acquires a fuel consumption reduction amount in an operating mode accompanied by an engine shutdown;
- a fuel consumption amount acquiring step that acquires a fuel consumption amount corresponding to electric power consumption during heating by an electrothermal heater that heats the vehicle cabin interior with heat resulting from electric power supply and that is disposed separately from heating unit, which heats a vehicle cabin interior using engine cooling water as a heat source during heating;
- a determining step that determines that there exists a fuel economy improving state when the fuel consumption amount that has been acquired by the fuel consumption amount acquiring step is less than the fuel consumption reduction amount that has been acquired by the fuel consumption reduction amount acquiring step;
- and
- a control step that controls heating by the electrothermal heater when it has been determined by the determining step that there exists a fuel economy improving state.
A non-transitory computer-readable storage medium storing a vehicular heating control program for causing a computer to execute a vehicular heating control method comprising:
- a fuel consumption reduction amount acquiring step that acquires a fuel consumption reduction amount in an operating mode accompanied by an engine shutdown;
- a fuel consumption amount acquiring step that acquires a fuel consumption amount corresponding to electric power consumption during heating by an electrothermal heater that heats the vehicle cabin interior with heat resulting from electric power supply and that is disposed separately from heating unit, which heats a vehicle cabin interior using engine cooling water as a heat source during heating;
- a determining step that determines that there exists a fuel economy improving state when the fuel consumption amount that has been acquired by the fuel consumption amount acquiring step is less than the fuel consumption reduction amount that has been acquired by the fuel consumption reduction amount acquiring step;
- and
- a control step that controls heating by the electrothermal heater when it has been determined by the determining step that there exists a fuel economy improving state.
Dependencies are inferred from the claim text.