# US 2023/0264591 A1 · Electric vehicle charging master controller > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0264591 A1 - Document ID: US20230264591A1 - Status: Published application - Kind: A1 - Application number: 17/676,353 - Filed: 2022-02-21 - Published: 2023-08-24 - Earliest claimed: 2022-02-21 - Assignees: CyberSwitchingPatents, LLC - Applicants: CyberSwitchingPatents, LLC - Inventors: Ron Silorio; Charles Henry Reynolds - Web page: https://patentgrep.com/patent/US20230264591A1 ## CPC - B60L 53/63: in response to network capacity - B60L 53/11: {DC charging controlled by the charging station, e.g. mode 4} - B60L 53/14: Conductive energy transfer - B60L 53/305: {Communication interfaces} - B60L 53/62: in response to charging parameters, e.g. current, voltage or electrical charge - B60L 53/64: Optimising energy costs, e.g. responding to electricity rates - B60L 53/65: involving identification of vehicles or their battery types - B60L 53/665: {Methods related to measuring, billing or payment} - B60L 53/67: Controlling two or more charging stations - B60L 53/68: Off-site monitoring or control, e.g. remote control - 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 90/16: Information or communication technologies improving the operation of electric vehicles - 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 - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract An electric vehicle charging master controller includes an instruction processing unit, a user interface module, and a charging interface module. Electric vehicle (EV) charging equipment is external to the controller. The instruction processing unit is configured to execute instructions for charging electric vehicles (EVs). The charging interface module is configured to receive information from the instruction processing unit and transmit information to the EV charging equipment. The instruction processing unit is configured to transmit information to the charging interface module, which is designed to cause the EV charging equipment to direct charging current to the plurality of EVs, one at a time. The instruction processing unit is also configured to transmit information to the charging interface module designed to cause the EV charging equipment to stop the charging current to each EV when a charging cessation criterion has been met. ## Claims ### Claim 1 An electric vehicle charging master controller, comprising: an instruction processing unit configured to transmit information and receive information; a user interface module configured to receive information from the instruction processing unit and transmit information to the instruction processing unit; and a charging interface module configured to receive information from the instruction processing unit and transmit information to electric vehicle charging equipment that is external to the electric vehicle charging master controller; wherein: the instruction processing unit is configured to transmit a first set of information to the charging interface module designed to cause the electric vehicle charging equipment to direct a first charging current to a first electric vehicle of a plurality of electric vehicles coupled to the electric vehicle charging equipment; the instruction processing unit is configured to transmit a second set of information to the charging interface module designed to cause the electric vehicle charging equipment to stop the first charging current to the first electric vehicle when a first charging cessation criterion has been met; the instruction processing unit is configured to transmit a third set of information to the charging interface module designed to cause the electric vehicle charging equipment to direct a second charging current to a second electric vehicle of the plurality of electric vehicles; and the instruction processing unit is configured to transmit a fourth set of information to the charging interface module designed to cause the electric vehicle charging equipment to stop the second charging current to the second electric vehicle when a second charging cessation criterion has been met. ### Claim 2 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the first cessation criterion is selected from the group consisting of expiration of a prescribed charging time period and the first electric vehicle is sufficiently charged. ### Claim 3 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the controller is configured to direct charging current sequentially to each of a plurality of electric vehicles, including at least the first electric vehicle and the second electric vehicle, one at a time, repeatedly. ### Claim 4 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the controller is configured to direct charging current sequentially to each of a plurality of electric vehicles, including at least the first electric vehicle and the second electric vehicle, during periods when an electric power rate is below a threshold rate, one at a time, repeatedly. ### Claim 5 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the controller is configured to direct charging current sequentially to each of a plurality of electric vehicles, including at least the first electric vehicle and the second electric vehicle, during time periods when an electric power rate is below a threshold rate, one at a time, repeatedly, and to direct charging current sequentially to electric vehicles having high priority status of the plurality of electric vehicles, regardless of the electric power rates. ### Claim 6 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the controller is configured to direct charging current sequentially to each of a plurality of electric vehicles, including at least the first electric vehicle and the second electric vehicle, one at a time, repeatedly, and to direct charging current to electric vehicles of the plurality of electric vehicles having high priority status more frequently than remaining electric vehicles of the plurality of electric vehicles. ### Claim 7 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the controller is configured to direct charging current sequentially to each of a plurality of electric vehicles, including at least the first electric vehicle and the second electric vehicle, one at a time, repeatedly, and to direct charging current to electric vehicles of the plurality of electric vehicles having high priority status for longer prescribed time periods than remaining electric vehicles of the plurality of electric vehicles. ### Claim 8 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the controller is configured to direct charging current sequentially to each of a plurality of electric vehicles, including at least the first electric vehicle and the second electric vehicle, one at a time, repeatedly, and to direct charging current to electric vehicles of the plurality of electric vehicles having low priority status less frequently than remaining electric vehicles of the plurality of electric vehicles. ### Claim 9 (depends on 1) The electric vehicle charging master controller of claim 1, wherein the controller is configured to direct charging current sequentially to each of a plurality of electric vehicles, including at least the first electric vehicle and the second electric vehicle, one at a time, repeatedly, and to direct charging current to electric vehicles of the plurality of electric vehicles having low priority status for shorter prescribed time periods than remaining electric vehicles of the plurality of electric vehicles. ### Claim 10 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the electric vehicle charging equipment includes elementary chargers coupled to a power source through power relays, and charging heads; the charging interface module is configured to receive the first set of information from the instruction processing unit and transmit information to the electric vehicle charging equipment designed to cause one of the power relays to close at a time, enabling charging current to flow from the power source through the power relay that was closed, through the charger connected to the relay that was closed, through a corresponding charging head to the first electric vehicle; and the charging interface module is configured to receive the second set of information from the instruction processing unit and transmit information to the electric vehicle charging equipment designed to cause the power relay that was closed to be opened, to stop the charging current to the first electric vehicle. ### Claim 11 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the electric vehicle charging equipment includes electric vehicle service equipment (EVSE) stations coupled to a power source, and charging heads; the charging interface module is configured to receive the first set of information from the instruction processing unit and transmit information to an instance of the EVSE stations coupled to the first electric vehicle designed to cause charging current to flow from the power source through the EVSE station coupled to the first electric vehicle, through a corresponding charging head to the first electric vehicle; and the charging interface module is configured to receive the second set of information from the instruction processing unit and transmit information to the EVSE station coupled to the first electric vehicle designed to stop the charging current to the first electric vehicle. ### Claim 12 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the electric vehicle charging equipment includes a single charger, selected from the group consisting of an EVSE station and an elementary charger, coupled to a power source and connected to a charging head multiplexer, and charging heads connected to the charging head multiplexer; the charging interface module is configured to receive the first set of information from the instruction processing unit and transmit information to the single charger designed to cause charging current to flow from the power source through the single charger to the charging head multiplexer, and transmit information to the charging head multiplexer designed to cause the charging head multiplexer to connect the single charger to the first electric vehicle; and the charging interface module is configured to receive the second set of information from the instruction processing unit and transmit information to the single charger designed to stop the charging current to the first electric vehicle. ### Claim 13 (depends on 12) The electric vehicle charging master controller of claim 12, wherein the charging head multiplexer includes charging cable relays connecting the charging heads to the single charger. ### Claim 14 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the electric vehicle charging equipment includes EVSE stations coupled to a power source, wherein each EVSE station has a plurality of charging heads, wherein a first EVSE station of the EVSE stations is connected to the first electric vehicle through a first charging head; the charging interface module is configured to receive the first set of information from the instruction processing unit and transmit information to the first EVSE station designed to cause charging current to flow from the power source through the first EVSE station, through the first charging head, to the first electric vehicle; and the charging interface module is configured to receive the second set of information from the instruction processing unit and transmit information to the first EVSE station designed to stop the charging current to the first electric vehicle. ### Claim 15 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the electric vehicle charging equipment includes elementary chargers, each of the elementary chargers being coupled to a first power source through first power relays, and coupled to a second power source through second power relays, with charging heads connected to the elementary chargers, wherein a first elementary charger of the elementary chargers is connected to the first electric vehicle through a first charging head; the charging interface module is configured to receive the first set of information from the instruction processing unit and transmit information to the electric vehicle charging equipment designed to cause one of the power relays to close at a time, enabling charging current to flow from the first power source through the power relay that was closed, through the first elementary charger, through the first charging head, to the first electric vehicle; and the charging interface module is configured to receive the second set of information from the instruction processing unit and transmit information to the electric vehicle charging equipment designed to cause the power relay that was closed to be opened, to stop the charging current to the first electric vehicle. ### Claim 16 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the electric vehicle charging equipment includes EVSE stations, each of the EVSE stations being coupled to a first power source through first power relays, and coupled to a second power source through second power relays, with charging heads connected to the EVSE stations, wherein a first EVSE station of the EVSE stations is connected to the first electric vehicle through a first charging head; the charging interface module is configured to receive the first set of information from the instruction processing unit and transmit information to the electric vehicle charging equipment designed to cause one of the power relays to close at a time, enabling charging current to flow from the first power source through the power relay that was closed, through the first EVSE station, through the first charging head, to the first electric vehicle; and the charging interface module is configured to receive the second set of information from the instruction processing unit and transmit information to the electric vehicle charging equipment designed to cause the power relay that was closed to be opened, to stop the charging current to the first electric vehicle. ### Claim 17 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the controller has a consolidated configuration wherein the instruction processing unit, the user interface module, and the charging interface module are contained in a controller enclosure; the controller is implemented as a central processing unit (CPU) and memory of a computer, with code, readable by the CPU; the user interface module is implemented as a combination of a graphics processing unit (GPU), a keyboard interface module, and a mouse interface module of the computer; the charging interface module is selected from the group consisting of a network interface card of the computer and an input/output (I/O) relay board of the computer; and the instruction processing unit, the user interface module, and the charging interface module communicate with each other through a data bus of the computer. ### Claim 18 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the controller has a distributed configuration wherein the instruction processing unit, the user interface module, and the charging interface module are spatially distributed, that is, not contained in a single enclosure; the instruction processing unit is implemented as an industrial microcontroller interfaced to a network by a first wireless connection; the user interface module is implemented as a laptop computer interfaced to the instruction processing unit through the network by a second wireless connection; and the charging interface module is selected from the group consisting of an Open Charge Point Protocol (OCPP) pile end controller module and a wireless high power relay controller, interfaced to the instruction processing unit through the network by a third wireless connection. ### Claim 19 (depends on 1) The electric vehicle charging master controller of claim 1, wherein: the user interface module includes two user interface appliances interfaced to the instruction processing unit. ### Claim 20 A method of charging electric vehicles, comprising: transmitting a first set of information from an instruction processing unit to a charging interface module designed to cause electric vehicle charging equipment to direct a first charging current to a first electric vehicle of a plurality of electric vehicles coupled to the electric vehicle charging equipment; transmitting a second set of information from the instruction processing unit to the charging interface module designed to cause the electric vehicle charging equipment to stop the first charging current to the first electric vehicle when a first charging cessation criterion has been met; transmitting a third set of information from the instruction processing unit to the charging interface module designed to cause the electric vehicle charging equipment to direct a second charging current to a second electric vehicle of the plurality of electric vehicles; and transmitting a fourth set of information from the instruction processing unit to the charging interface module designed to cause the electric vehicle charging equipment to stop the second charging current to the second electric vehicle when a second charging cessation criterion has been met.