US 11,938,826 B2
Demand and supply control system for vehicle
Noritake Mitsutani, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Mar. 21, 2023, as Appl. No. 18/124,121.
Application 18/124,121 is a continuation of application No. 17/944,522, filed on Sep. 14, 2022, granted, now 11,642,966.
Application 17/944,522 is a continuation of application No. 16/832,016, filed on Mar. 27, 2020, granted, now 11,518,244, issued on Dec. 6, 2022.
Claims priority of application No. 2019-089655 (JP), filed on May 10, 2019.
Prior Publication US 2023/0219421 A1, Jul. 13, 2023
Int. Cl. B60L 1/00 (2006.01); B60L 50/60 (2019.01); B60L 53/10 (2019.01); B60L 53/62 (2019.01); B60L 53/68 (2019.01); B60L 58/12 (2019.01); H02J 7/00 (2006.01); H02J 7/02 (2016.01); B60L 53/14 (2019.01)
CPC B60L 1/00 (2013.01) [B60L 50/66 (2019.02); B60L 53/10 (2019.02); B60L 53/62 (2019.02); B60L 53/68 (2019.02); B60L 58/12 (2019.02); H02J 7/0047 (2013.01); H02J 7/02 (2013.01); B60L 53/14 (2019.02); H02J 2207/20 (2020.01); H02J 2310/58 (2020.01)] 2 Claims
OG exemplary drawing
 
1. A demand and supply control system for a vehicle that is mounted in a vehicle and controls demand and supply of electric power or an electric power amount in the vehicle, the demand and supply control system comprising: an in-vehicle battery; a charger configured to perform supply of electric power from an external electric power supply connected to the charger to one or more pieces of in-vehicle equipment; and a control device configured to control the in-vehicle battery and the charger, wherein the control device is, in a case where the in-vehicle battery and the charger are able to be used in combination as an electric power supply source that supplies electric power to the one or more pieces of in-vehicle equipment, configured to obtain total demand as a sum of demand for electric power or an electric power amount generated in the one or more pieces of in-vehicle equipment, determine whether or not the total demand is able to be satisfied with electric power or an electric power amount suppliable from the in-vehicle battery, and when the total demand is not able to be satisfied solely with the in-vehicle battery, control the charger to a drive state in a case where the total demand is able to be satisfied with total electric power or a total electric power amount suppliable from the in-vehicle battery and the charger;
wherein the control device is configured to, when the total demand is able to be satisfied solely with the in-vehicle battery, for each of a plurality of priority ranks set in each of the in-vehicle battery and the charger and defined in advance to classify the demand for electric power or the electric power amount generated in the one or more pieces of in-vehicle equipment, control the charger to either of the drive state, in which the supply of electric power to the in-vehicle equipment is performed, or a stop state, in which the supply of electric power to the in-vehicle equipment is not performed, based on a tolerance limit indicating an upper limit of electric power or an electric power amount for securing electric power or an electric power amount to be supplied with respect to demand of a higher priority rank within a range of a value set for the higher priority rank and for permitting supply to demand of the own priority rank.