# US 10,369,895 B2 · Power supply controller > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,369,895 B2 - Document ID: US10369895B2 - Status: Granted - Kind: B2 - Application number: 15/166,454 - Filed: 2016-05-27 - Published: 2016-12-01 - Granted: 2019-08-06 - Earliest claimed: 2015-05-29 - Assignees: Denso Corporation - Applicants: Denso Corporation - Inventors: Mitsuhiro Kanayama - Web page: https://patentgrep.com/patent/US10369895B2 ## CPC - B60L 55/00: Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements - B60L 53/64: Optimising energy costs, e.g. responding to electricity rates - H02J 3/14: by switching loads on to, or off from, the networks, e.g. progressively balanced loading - H02J 7/04: Regulation of charging current or voltage - H02J 7/94: in response to battery current - H02J 13/12: Monitoring network conditions, e.g. electrical magnitudes or operational status - H02J 13/14: the power network being locally controlled, e.g. home energy management systems [HEMS] - H02J 13/333: the equipment forming part of substations - H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones - H02J 2105/12: supplying households or buildings - H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] - H02J 2105/52: for limitation of the power consumption in the networks or in one section of the networks, e.g. load shedding or peak shaving - Y02B 70/3225: Demand response systems, e.g. load shedding, peak shaving - Y02E 60/00: Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - 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] - Y04S 10/126: the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G] - Y04S 20/222: Demand response systems, e.g. load shedding, peak shaving - Y04S 30/12: Remote or cooperative charging - Y04S 30/14: Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract A charger of a vehicle serving as a power supply controller includes, a power amount controller performing, (a) when a determiner determines that a high level device is available, a first control that determines a supply power amount to a storage battery according to an instruction value from the high level device, and, (b) when the determiner determines that the high level device is not available, a second control that determines the supply power amount according to information about a past power supply from an in-house power system (i.e., a power restriction value of the in-house power system), for an uninterrupted power supply between an outside-of-vehicle power system and the charger in the vehicle. ## Claims ### Claim 1 A power supply controller connected with a power storage device disposed in a vehicle and with an outside-of-vehicle power system disposed outside of the vehicle, the outside-of-vehicle power system having a breaker that (a) supplies electric power from a commercial power system to an internal load of the outside-of-vehicle power system and (b) interrupts a power supply from the commercial power system to the internal load when the system is in operation, the power supply controller performing a charge control that charges the power storage device disposed in the vehicle with electric power supplied from the outside-of-vehicle power system, the power supply controller comprising: a power amount controller controlling a supply power amount of the charge control; and a determiner determining whether a management device is available to control a power supply to the internal load of the outside-of-vehicle power system; and a charge control memory unit; wherein the power amount controller performs a first control that determines the supply power amount according to an instruction value received from the management device when the determiner determines that the management device is available, the charge control memory unit storing the instruction value received from the management device, and the power amount controller performs a second control that determines the supply power amount according to information about a past power supply from the outside-of-vehicle power system when the determiner determines that the management device is unavailable by controlling the supply power amount of the charge control so that an actual power value supplied to the outside-of-vehicle power system does not exceed the instruction value previously stored in the charge control memory. ### Claim 2 (depends on 1) The power supply controller of claim 1, wherein the outside-of-vehicle power system has the management device, the determiner determines whether communication with the management device is enabled or disabled, and the power amount controller performs the first control when the determiner determines that communication with the management device is enabled, and performs the second control when the determiner determines that communication with the management device is disabled. ### Claim 3 (depends on 1) The power supply controller of claim 1 wherein: the charge control memory unit stores a power restriction value of the outside-of-vehicle power system, and the power amount controller performs the second control by controlling the supply power amount of the charge control so that the actual power value supplied to the outside-of-vehicle power system does not exceed the power restriction value stored in the charge control memory unit. ### Claim 4 (depends on 1) The power supply controller of claim 1 wherein: the charge control memory unit stores a past value of the actual power value previously supplied to the outside-of-vehicle power system, and the power amount controller performs the second control by controlling the supply power amount of the charge control so that the actual power value supplied to the outside-of-vehicle power system does not exceed the past value stored in the charge control memory unit. ### Claim 5 (depends on 4) The power supply controller of claim 4, wherein: the charge control memory unit stores information about an allowable time period in association with the past value, and the power amount controller performs the second control by controlling the supply power amount of the charge control so that an excess time period of when the actual power value supplied to the outside-of-vehicle power system exceeds the past value stored in the charge control memory unit is equal to or shorter than the allowable time period. ### Claim 6 (depends on 1) The power supply controller of claim 1, wherein the power supply controller additionally performs a discharge control that discharges electric power supplied from the power storage device to the outside-of-vehicle power system, and the power amount controller controls a discharge supply power amount of the discharge control. ### Claim 7 (depends on 6) The power supply controller of claim 6 further comprising: a discharge control memory unit that stores a power restriction value of the outside-of-vehicle power system, wherein the power amount controller controls the discharge supply power amount of the discharge control so that the actual power value supplied to the outside-of-vehicle power system does not exceed the power restriction value stored in the discharge control memory unit. ### Claim 8 (depends on 6) The power supply controller of claim 6 further comprising: a discharge control memory unit that stores a past value that is an actual power value previously supplied to the outside-of-vehicle power system, wherein the power amount controller controls the discharge supply power amount of the discharge control so that the actual power value supplied to the outside-of-vehicle power system does not exceed the past value stored in the discharge control memory unit. ### Claim 9 (depends on 8) The power supply controller of claim 8, wherein the discharge control memory unit stores information about an allowable time period in association with the memory value, the power amount controller controls the discharge supply power amount of the discharge control so that an excess time period of when the actual power value supplied to the outside-of-vehicle power system exceeds the past value stored in the discharge control memory unit is equal to or shorter than the allowable time period. ### Claim 10 (depends on 2) The power supply controller of claim 2, wherein the determiner determines that communication with the management device is disabled when no communication is received from the management device for a preset time. ### Claim 11 (depends on 2) The power supply controller of claim 2, wherein communication with the management device is performed via a dedicated line. ### Claim 12 (depends on 1) The power supply controller of claim 1, wherein the charge control is performed by the power supply controller selectively during a time period when a price of electric power is less than a predetermined price. ### Claim 13 (depends on 1) The power supply controller of claim 1 further comprising: a notifier notifying a user that the management device is not available when the determiner determines that the management device is not available. ### Claim 14 A power supply system, comprising: a power storage device disposed in a vehicle; an outside-of-vehicle power system disposed outside of the vehicle and having a breaker that (a) supplies electric power from a commercial power system to an internal load of the outside-of-vehicle power system and (b) interrupts a power supply from the commercial power system to the internal load when the outside-of-vehicle system is in operation; and a power supply controller connected with the power storage device and with the outside-of-vehicle power system and configured to perform a charge control that charges the power storage device disposed in the vehicle with electric power supplied from the outside-of-vehicle power system, the power supply controller configured to include: a power amount controller controlling a supply power amount of the charge control; and a determiner determining whether a management device is available to control a power supply to the internal load of the outside-of-vehicle power system; and a charge control memory unit; wherein the power amount controller performs a first control that determines the supply power amount according to an instruction value received from the management device when the determiner determines that the management device is available, the charge control memory unit storing the instruction value received from the management device, and the power amount controller performs a second control that determines the supply power amount according to information about a past power supply from the outside-of-vehicle power system when the determiner determines that the management device is unavailable by controlling the supply power amount of the charge control so that an actual power value supplied to the outside-of-vehicle power system does not exceed the instruction value previously stored in the charge control memory. ### Claim 15 A power supply controller connected with a power storage device disposed in a vehicle and with an outside-of-vehicle power system disposed outside of the vehicle, the outside-of-vehicle power system having a breaker that (a) supplies electric power from a commercial power system to an internal load of the outside-of-vehicle power system and (b) interrupts a power supply from the commercial power system to the internal load when the system is in operation, the power supply controller for performing a charge control that charges the power storage device disposed in the vehicle with electric power supplied from the outside-of-vehicle power system, the power supply controller comprising: a power amount controller controlling a supply power amount of the charge control; and a determiner determining whether a management device is available to control a power supply to the internal load of the outside-of-vehicle power system; and a charge control memory unit that stores a power restriction value of the outside-of-vehicle power system; wherein the power amount controller performs a first control that determines the supply power amount according to an instruction value received from the management device when the determiner determines that the management device is available, and the power amount controller performs a second control that determines the supply power amount according to information about a past power supply from the outside-of-vehicle power system when the determiner determines that the management device is unavailable by controlling the supply power amount of the charge control so that an actual power value supplied to the outside-of-vehicle power system does not exceed the power restriction value stored in the charge control memory.