An electric vehicle (EV) charging cable connector is attached to an EV charging cable. The cable connector includes a set of one or more charging contacts. The cable connector further includes a manifold that is in contact with the set of one or more charging contacts and directs pressurized air received through a supply tube within the EV charging cable over the set of one or more charging contacts to create an airflow. The cable connector further includes a set of one or more air exhaust vents. The cable connector further includes one or more vent channels to guide a hot side of the airflow through the set of one or more air exhaust vents.
A cooling system for electric vehicle (EV) charging heat loads is described. The system includes a pressurized air system, such as a compressor or fans, that delivers ambient air. A charging cable transports this air through a cable feed tube to an EV charging cable connector. Within the cable, power conductors are concentrically placed inside finned tubes to create air gaps between the conductors and the tubes. The connector includes a manifold that directs the incoming ambient air over a set of charging contacts to cool them. The manifold then directs the air through the air gaps between the power conductors and their corresponding finned tubes, allowing the air to extract heat from the power conductors as it flows through the cable.
An electric vehicle (EV) charging cable for charging electric vehicles is described. The EV charging cable includes power conductors, a ground conductor, and a signal conductor. The EV charging cable further includes hard metal cordages within the EV charging cable and cut resistant plastic cordages that are positioned about the hard metal cordages respectively. The EV charging cable further includes a cable jacket that surrounds the interior components of the cable.
An electric vehicle (EV) charging cable for charging electric vehicles is described. The EV charging cable includes power conductors, a ground conductor, and a signal conductor. The EV charging cable further includes hard metal cordages within the EV charging cable and cut resistant plastic cordages that are positioned about the hard metal cordages respectively. The EV charging cable further includes a cable jacket that surrounds the interior components of the cable.
A charging connector adapter is nested within a holster of an electric vehicle supply equipment (EVSE). In an idle state, the adapter is locked to a charging connector of a charging cable. If the adapter is to be used, the EVSE automatically unlocks the adapter from the holster thereby allowing the charging cable with the adapter to be removed from the holster and used for connecting the adapter to an inlet of an electric vehicle. When the charging connector is inserted back into the holster, the EVSE locks the charging connector to the holster. If the adapter is not to be used, the EVSE unlocks the charging connector from the adapter thereby allowing the charging connector to be removed from the adapter and used for connecting to an inlet of an electric vehicle. The EVSE locks the charging connector to the adapter when inserted back into the adapter.
An integrated meter in an electric vehicle supply equipment (EVSE) is described. Input power is received at input terminal of the EVSE and carried through a conductor that passes through an opening of a current transformer coil of the meter. The input power is split into a main path and an auxiliary path. The main path is for charging an electric vehicle (EV). The auxiliary path provides power to the meter to the EVSE itself. The auxiliary path passes through the opening of the current transformation coil in a reverse direction before being passed to a power supply of the meter and to a power supply of the EVSE to remove any current not for charging the EV from current measurements. The meter calculates energy measurements that do not include current drawn by the meter and the EVSE and transmits them to a processor of the EVSE.
An electric vehicle supply equipment (EVSE) includes a blind mate liquid quick disconnect coupler that includes a male coupling and a female coupling. The male coupling includes a pressure relief poppet valve that is positioned within the main body of the coupling. The pressure relief poppet valve controls fluid through the male coupling. The pressure relief poppet valve includes an overpressure poppet, a conical spring positioned about the overpressure poppet, and a carrier poppet that includes four prongs. The female coupling includes an opening to accept a main body of the male coupling and an end for coupling with a second fitting base of the female coupling. When the male coupling is mated with the female coupling, the pressure relief poppet valve and the tube plunger are displaced such that fluid flows between the male coupling and the female coupling.
F16L 37/34 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the lift valves being of the sleeve type, i.e. a sleeve being telescoped over an inner cylindrical wall
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
13.
BLIND MATE LIQUID QUICK DISCONNECT COUPLER AND ELECTRIC VEHICLE SUPPLY EQUIPMENT WITH SUCH A COUPLER.
An electric vehicle supply equipment (EVSE) includes a blind mate liquid quick disconnect coupler that includes a male coupling and a female coupling. The male coupling includes a pressure relief poppet valve that is positioned within the main body of the coupling. The pressure relief poppet valve controls fluid through the male coupling. The pressure relief poppet valve includes an overpressure poppet, a conical spring positioned about the overpressure poppet, and a carrier poppet that includes four prongs. The female coupling includes an opening to accept a main body of the male coupling and an end for coupling with a second fitting base of the female coupling. When the male coupling is mated with the female coupling, the pressure relief poppet valve and the tube plunger are displaced such that fluid flows between the male coupling and the female coupling.
F16L 37/34 - Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied at least one of the lift valves being of the sleeve type, i.e. a sleeve being telescoped over an inner cylindrical wall
A charging connector adapter is nested within a holster of an electric vehicle supply equipment (EVSE). If the adapter is to be used, the EVSE automatically locks the charging connector to the charging connector adapter and unlocks the charging connector adapter from the holster of the EVSE thereby allowing the charging cable with the charging connector adapter to be removed from the holster and used for connecting the charging connector adapter to an inlet of an electric vehicle. When the charging connector adapter is inserted back into the holster, the EVSE locks the charging connector to the holster and unlocks the charging connector from the charging connector adapter.
A charging connector adapter is nested within a holster of an electric vehicle supply equipment (EVSE). If the adapter is to be used, the EVSE automatically locks the charging connector to the charging connector adapter and unlocks the charging connector adapter from the holster of the EVSE thereby allowing the charging cable with the charging connector adapter to be removed from the holster and used for connecting the charging connector adapter to an inlet of an electric vehicle. When the charging connector adapter is inserted back into the holster, the EVSE locks the charging connector to the holster and unlocks the charging connector from the charging connector adapter.
A cable tether for managing an electric vehicle charging cable is described. The cable tether comprises a housing that houses a spring clamp and a compression pad. The housing including an opening for the electric vehicle charging cable to pass through. The spring clamp includes two openings that allow a shaft member attached to an arm of the electric vehicle charging station to pass through, where a first segment of the spring clamp includes a first opening of the two openings and a portion that extends into the first opening, and where the portion that extends into the first opening slots into a cutout portion of the shaft member as the shaft member is passed through the two openings to latch the spring clamp onto the shaft member. The compression pad that is attached to the housing of the cable tether for gripping the electric vehicle charging cable.
B60L 53/00 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles
B60L 53/18 - Cables specially adapted for charging electric vehicles
B60L 53/31 - Charging columns specially adapted for electric vehicles
H02G 3/00 - Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
17.
Electric vehicle charging system with a charging protocol controller included in attached cable circuitry
An attached cable circuitry assembly of an electric vehicle supply equipment (EVSE) that includes a charging protocol controller. The charging protocol controller includes a first connector to terminate one or more signal wires of a charging cable. The charging protocol controller further includes a second connector to connect via a cable to a third connector of the EVSE, the second connector to terminate supply voltage and communication from the EVSE received over the cable that connects the second connector to the third connector. The charging protocol controller further includes one or more charging communication circuits. The charging protocol controller further includes a processor to perform: signal handshake and control, and communication between the EVSE and the charging protocol controller.
An integrated meter in an electric vehicle supply equipment (EVSE) is described. Input power is received at input terminal of the EVSE and carried through a conductor that passes through an opening of a current transformer coil of the meter. The input power is split into a main path and an auxiliary path. The main path is for charging an electric vehicle (EV). The auxiliary path provides power to the meter to the EVSE itself. The auxiliary path passes through the opening of the current transformation coil in a reverse direction before being passed to a power supply of the meter and to a power supply of the EVSE to remove any current not for charging the EV from current measurements. The meter calculates energy measurements that do not include current drawn by the meter and the EVSE and transmits them to a processor of the EVSE.
An integrated meter in an electric vehicle supply equipment (EVSE) is described. Input power is received at input terminal of the EVSE and carried through a conductor that passes through an opening of a current transformer coil of the meter. The input power is split into a main path and an auxiliary path. The main path is for charging an electric vehicle (EV). The auxiliary path provides power to the meter to the EVSE itself. The auxiliary path passes through the opening of the current transformation coil in a reverse direction before being passed to a power supply of the meter and to a power supply of the EVSE to remove any current not for charging the EV from current measurements. The meter calculates energy measurements that do not include current drawn by the meter and the EVSE and transmits them to a processor of the EVSE.
Dynamic allocation of power modules for charging electric vehicles is described herein. The charging system includes multiple dispensers that each include one or more power modules that can supply power to any one of the dispensers at a time. A dispenser includes a first power bus that is switchably connected to one or more local power modules and switchably connected to one or more power modules located remotely in another dispenser. The one or more local power modules are switchably connected to a second power bus in the other dispenser. The dispenser includes a control unit that is to cause the local power modules and the remote power modules to switchably connect and disconnect from the first power bus to dynamically allocate the power modules between the dispenser and the other dispenser.
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
43.
THERMAL MANAGEMENT SYSTEM FOR AN ELECTRIC VEHICLE SUPPLY EQUIPMENT (EVSE) THAT INCLUDES A DUAL-SIDED HEATSINK
An electric vehicle supply equipment (EVSE) includes a thermal management system that includes a dual-sided heatsink that includes a first side that faces internal ambient air of the EVSE and a second side that faces external ambient air. A first fan circulates the internal ambient air of the EVSE across the first side to reject heat from the internal ambient air into the first side. A first airflow guide guides the internal ambient air across the first side of the dual-sided heatsink. A second fan draws external ambient air that flows across the second side to reject heat from the second side out of the thermal management system. A second airflow guide guides the external ambient air across the second side. An airflow seal prevents the external ambient air and the internal ambient air from mixing.
A cable management apparatus of an electric vehicle charging station for managing an electric vehicle charging cable is described. The cable management apparatus comprises a housing and a swing arm. The housing houses a hub connected to a swing arm housing to allow the swing arm housing to rotate about the hub from a starting position to an ending position. The housing further houses a damper, where a first end is attached to the housing of the cable management apparatus and a second end is attached to the swing arm housing to manage retraction of the swing arm housing. The housing further houses a first rotation stop element to prevent the swing arm housing from rotating beyond the ending position. The cable management apparatus further comprises the swing arm housing connected to the housing of the cable management apparatus by the hub and the second end of the damper.
An electric vehicle supply equipment (EVSE) includes a thermal management system that includes a dual-sided heatsink that includes a first side that faces internal ambient air of the EVSE and a second side that faces external ambient air. A first fan circulates the internal ambient air of the EVSE across the first side to reject heat from the internal ambient air into the first side. A first airflow guide guides the internal ambient air across the first side of the dual-sided heatsink. A second fan draws external ambient air that flows across the second side to reject heat from the second side out of the thermal management system. A second airflow guide guides the external ambient air across the second side. An airflow seal prevents the external ambient air and the internal ambient air from mixing.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
G01R 33/04 - Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
H01F 1/03 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity
48.
Single winding core-insensitive fluxgate current sensor
An open-loop fluxgate-type current sensor is described. The current sensor includes a single winding around a core that combines drive and sense that is used as both an excitation source and a feedback element to measure current through a primary winding. The current sensor further includes an H-bridge driver to impress voltage to the single winding to cause current to saturate the core, the voltage being impressed with opposing polarities repeatedly causing the core to saturate at opposing polarities. The current sensor further includes an analog transconductance integrator that continuously integrates the current to infer magnetizing force being driven into the core at the opposing polarities. The current sensor further includes a microcontroller unit (MCU) that calculates residual current based on the inferred magnetizing force being driven into the core at the opposing polarities and cause remedial action to be taken when the calculated residual current exceeds a threshold.
An open-loop fluxgate-type current sensor is described. The current sensor includes a single winding around a core that combines drive and sense that is used as both an excitation source and a feedback element to measure current through a primary winding. The current sensor further includes an H-bridge driver to impress voltage to the single winding to cause current to saturate the core, the volage being impressed with opposing polarities repeatedly causing the core to saturate at opposing polarities. The current sensor further includes an analog transconductance integrator that continuously integrates the current to infer magnetizing force being driven into the core at the opposing polarities. The current sensor further includes a microcontroller unit (MCU) that calculates residual current based on the inferred magnetizing force being driven into the core at the opposing polarities and cause remedial action to be taken when the calculated residual current exceeds a threshold.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 33/04 - Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
H01F 1/03 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity
50.
Automatically identifying an intended electric vehicle supply equipment
Automatically identifying an electric vehicle supply equipment (EVSE) is described. A receiver device receives wireless signals from EVSEs, where each wireless signal includes an identifier that is associated with the one of the EVSEs from which that wireless signal is received. The receiver device records signal strength values of the wireless signals and determines, based on the recorded signal strength values, which of the EVSEs is closest to the receiver device. The receiver device initiates a request for an action at the EVSE determined to be closest to the receiver device.
Automatically identifying an electric vehicle supply equipment (EVSE) is described. A receiver device receives wireless signals from EVSEs, where each wireless signal includes an identifier that is associated with the one of the EVSEs from which that wireless signal is received. The receiver device records signal strength values of the wireless signals and determines, based on the recorded signal strength values, which of the EVSEs is closest to the receiver device. The receiver device initiates a request for an action at the EVSE determined to be closest to the receiver device.
An electric vehicle charging system includes logic collocated with an electric service panel to monitor a total present electric current consumption value for all electric consumers below a point in the service panel; a first input to receive the present electric current consumption value from the logic collocated with the service panel, and to compare the present electric current consumption value with a maximum current capacity value for the service panel; a second input to receive electric current from the service panel; an output to supply electric charging power to at least one electric vehicle; and logic to set an electric charging current drawn from the service panel through the second input and provided to the electric vehicle charging output to a value less than a difference between the maximum current capacity for the service panel and a sum of the present electric current consumption value and the current consumption value of a largest expected electric consumer.
H02J 3/02 - Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequenciesCircuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of ac power and of dc power
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/64 - Optimising energy costs, e.g. responding to electricity rates
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
54.
Dynamic allocation of power modules for charging electric vehicles
A first dispenser receives a request to initiate charging service for charging an electric vehicle. The first dispenser determines an amount of power that is available for the charging service for charging the electric vehicle including determining an availability status of multiple power modules that are located in the first dispenser and a second dispenser. The first dispenser determines whether the available amount of power is enough to meet a requested or determined amount of power draw of the electric vehicle. If the available amount of power is not enough to meet the requested or determined amount of power draw of the electric vehicle, and if there is at least one of the power modules that is available, the first dispenser requests allocation of the available power module and charging service commences.
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/67 - Controlling two or more charging stations
An external electric vehicle battery thermal management system is described. An electric vehicle thermal system provides external coolant to an internal battery thermal system of an electric vehicle. The internal battery thermal system includes a liquid-to-liquid heat exchanger to cool or warm the set of batteries of the electric vehicle. The external coolant is pumped through a first side of the heat exchanger and serves as the source to cool or heat internal coolant pumped through a second side of the heat exchanger. The external coolant and the internal coolant do not mix.
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
H01R 13/00 - Details of coupling devices of the kinds covered by groups or
B60K 6/22 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
56.
Authorization in a networked electric vehicle charging system
Networked electric vehicle charging stations for charging electric vehicles are coupled with an electric vehicle charging station network server that performs authorization for charging session requests while the communication connection between the charging stations and the server are operating correctly. When the communication connection is not operating correctly, the networked electric vehicle charging stations enter into a local authorization mode to perform a local authorization process for incoming charging session requests.
A direct current (DC) electric vehicle supply equipment (EVSE) that includes a secure enclosure. The secure enclosure encloses a set of one or more contactors to open and close to provide DC charge transfer with one or more electric vehicles; a conductor to electrically connect the contactors with DC input; a current sensor to measure current draw; a voltage sensing circuitry to measure voltage; and one or more circuits that receive current data from the current sensor and voltage data from the voltage sensing circuitry, the one or more circuits to perform one or more safety functions and one or more metering functions using the received current data and voltage data. The DC EVSE may also include, external to the secure enclosure, a controller that is coupled with the circuits to control the opening and closing of the set of contactors.
B60L 53/31 - Charging columns specially adapted for electric vehicles
B60L 53/68 - Off-site monitoring or control, e.g. remote control
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/66 - Data transfer between charging stations and vehicles
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
Automatically identifying an electric vehicle supply equipment (EVSE) is described. A receiver device receives wireless signals from EVSEs, where each wireless signal includes an identifier that is associated with the one of the EVSEs from which that wireless signal is received. The receiver device records signal strength values of the wireless signals and determines, based on the recorded signal strength values, which of the EVSEs is closest to the receiver device. The receiver device initiates a request for an action at the EVSE determined to be closest to the receiver device.
Dynamic allocation of power modules for charging electric vehicles is described herein. A power cabinet includes multiple power modules that each are capable of supplying an amount of power to a dispenser. Multiple dispensers are coupled with the same power cabinet. A first power bus couples a first dispenser and switchably connects the power modules to the first dispenser; and a second power bus couples a second dispenser and switchably connects the power modules to the second dispenser. The power cabinet includes a control unit that is configured to cause the power modules to switchably connect and disconnect from the first power bus and the second power bus to dynamically allocate the power modules between the first dispenser and the second dispenser.
An electric vehicle charging station network server that manages a plurality of charging stations receives subscriber notification message preferences for a subscriber (e.g., electric vehicle operator) that indicate one or more events of interest for which the subscriber wishes to receive notification messages. A set of one or more contact points associated with the subscriber is also received. The server receives data associated with the subscriber that indicates that a charging session at one of the charging stations has been established for an electric vehicle associated with the subscriber. The server detects an event of interest for the subscriber and transmits a notification message for that event to at least one of the set of contact points associated with the subscriber.
B60L 53/30 - Constructional details of charging stations
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
61.
ELECTRIC VEHICLE CHARGING SYSTEM WITH A CHARGING CABLE THAT INCLUDES AN INLINE CABLE CONTROLLER
An electric vehicle charging cable includes power charging wire(s) to carry power between an electric vehicle supply equipment (EVSE) and an electric vehicle (EV), signal wire(s) to carry signaling data relating to charging the EV, a charging cable connector to connect the power charging wire(s) and the signal wire(s) to an inlet of the EV, and a charging protocol controller. The charging protocol controller includes a first connector to terminate the signal wire(s), a second connector to terminate supply voltage and communication from the EVSE, one or more communication circuit(s), and a processor that performs signal handshake and control and communication between the EVSE and the charging protocol controller.
Dynamic allocation of power modules for charging electric vehicles is described herein. The charging system includes multiple dispensers that each include one or more power modules that can supply power to any one of the dispensers at a time. A dispenser includes a first power bus that is switchably connected to one or more local power modules and switchably connected to one or more power modules located remotely in another dispenser. The one or more local power modules are switchably connected to a second power bus in the other dispenser. The dispenser includes a control unit that is to cause the local power modules and the remote power modules to switchably connect and disconnect from the first power bus to dynamically allocate the power modules between the dispenser and the other dispenser.
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
63.
Dynamic allocation of power modules for charging electric vehicles
Dynamic allocation of power modules for charging electric vehicles is described herein. The charging system includes multiple dispensers that each include one or more power modules that can supply power to any one of the dispensers at a time. A dispenser includes a first power bus that is switchably connected to one or more local power modules and switchably connected to one or more power modules located remotely in another dispenser. The one or more local power modules are switchably connected to a second power bus in the other dispenser. The dispenser includes a control unit that is to cause the local power modules and the remote power modules to switchably connect and disconnect from the first power bus to dynamically allocate the power modules between the dispenser and the other dispenser.
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/66 - Data transfer between charging stations and vehicles
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
64.
SECURE ENCLOSURE FOR A DIRECT CURRENT ELECTRIC VEHICLE SUPPLY EQUIPMENT
A direct current (DC) electric vehicle supply equipment (EVSE) that includes a secure enclosure. The secure enclosure encloses a set of one or more contactors to open and close to provide DC charge transfer with one or more electric vehicles; a conductor to electrically connect the contactors with DC input; a current sensor to measure current draw; a voltage sensing circuitry to measure voltage; and one or more circuits that receive current data from the current sensor and voltage data from the voltage sensing circuitry, the one or more circuits to perform one or more safety functions and one or more metering functions using the received current data and voltage data. The DC EVSE may also include, external to the secure enclosure, a controller that is coupled with the circuits to control the opening and closing of the set of contactors.
A direct current (DC) electric vehicle supply equipment (EVSE) that includes a secure enclosure. The secure enclosure encloses a set of one or more contactors to open and close to provide DC charge transfer with one or more electric vehicles; a conductor to electrically connect the contactors with DC input; a current sensor to measure current draw; a voltage sensing circuitry to measure voltage; and one or more circuits that receive current data from the current sensor and voltage data from the voltage sensing circuitry, the one or more circuits to perform one or more safety functions and one or more metering functions using the received current data and voltage data. The DC EVSE may also include, external to the secure enclosure, a controller that is coupled with the circuits to control the opening and closing of the set of contactors.
B60L 53/30 - Constructional details of charging stations
B60L 53/60 - Monitoring or controlling charging stations
B60L 53/68 - Off-site monitoring or control, e.g. remote control
G07F 15/00 - Coin-freed apparatus with meter-controlled dispensing of liquid, gas, or electricity
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
66.
Electric vehicle charging station dynamically responding to power limit messages based on a recent history of power provided
An electric vehicle charging station charging electric vehicles dynamically responds to power limit messages. The charging station includes a charging port that is configured to electrically connect to an electric vehicle to provide power to charge that electric vehicle. The charging station also includes a power control unit coupled with the charging port, the power control unit configured to control an amount of power provided through the charging port. The charging station also includes a set of one or more charging station control modules that are configured to, in response to receipt of a message that indicates a request to limit an amount of power to an identified percentage and based on a history of power provided through the charging port over a period of time, cause the power control unit to limit the power provided through the charging port to the identified percentage.
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/30 - Constructional details of charging stations
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
67.
Liquid cooled charging cable for charging electric vehicles
An electric vehicle charging station that uses a liquid cooled charging cable is described. The charging station includes a charging port that is configured to connect to a liquid cooled charging cable. The liquid cooled charging cable includes a cooling loop where a return side of the cooling loop is a warm side. The charging station includes a heat exchanger that transfers heat from the warm side of the cooling loop. The charging station includes a pump to pump a cool side of the liquid through the cooling loop. The charging station includes a module that causes the following to be performed in response to a startup sequence of the electric vehicle charging station: iteratively perform operations of operating the pump at increasing speeds and measuring corresponding pressure output until the speed of the pump is at its normal capacity.
B60L 53/18 - Cables specially adapted for charging electric vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/66 - Data transfer between charging stations and vehicles
F28D 1/04 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits
F28D 15/00 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
An electric field (e-field) touchscreen is described. A continuous stream of digital signal data that represents e-field signal deviations is received from multiple receive electrodes. The stream of digital signal data is processed using a machine learning model to determine a touch event and a location on a display screen of the touchscreen. The touch event is processed. The e-field touchscreen may determine whether a non-normal event may be occurring causing noise in the digital signal data. If so, the received stream of digital signal data is processed through a low-pass filter and processed through an absolute value average baseline filter. A difference between the filtered data is determined to generate a filtered stream of digital signal data and is processed using the machine learning model determine a touch event and a location on a display screen of the touch event. The touch event is processed.
A cable reel includes a spool to extend and retract a cable that includes a first conductor. The cable reel further includes a first connector that is connected with the spool and rotates in relation to the spool. The first connector includes a first contact that is connected to the first conductor of the cable. The cable reel further includes a second connector that does not rotate. The first connector and the second connector are mateable. The second connector includes a second contact that is connected to a second conductor. The first connector and the second connector automatically mate to make an electrical connection between the first conductor of the cable and the second conductor when the first connector and the second connector are aligned in a predetermined position and at least some length of cable has been extended.
A plurality of charging equipment share a current capacity. A message is received that indicates a request for allocation of electric current through a first charging equipment of the plurality of charging equipment. Responsive to determining that granting the request would exceed the current capacity, the electric current is dynamically allocated among the plurality of charging equipment such that the first charging equipment is allocated electric current without exceeding the current capacity shared by the plurality of charging equipment.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 50/40 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
B60L 53/64 - Optimising energy costs, e.g. responding to electricity rates
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/67 - Controlling two or more charging stations
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
A system and method for managing a plurality of electric vehicles with a fleet management portal is described herein. In one embodiment, a machine implemented method for managing one or more fleets of electric vehicles includes monitoring one or more fleets of electric vehicles using a fleet management portal associated with a server. Next, the method includes monitoring a plurality of charge transfer devices using the fleet management portal. Next, the method includes receiving charging information from the charge transfer devices. Next, the method includes determining a charging status for each electric vehicle based on the charging information. Next, the method includes generating one or more reports having the charging status for each electric vehicle.
B60L 53/68 - Off-site monitoring or control, e.g. remote control
B60L 53/30 - Constructional details of charging stations
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
G07C 5/00 - Registering or indicating the working of vehicles
B60L 53/66 - Data transfer between charging stations and vehicles
72.
Automatic and dynamic home electricity load balancing for the purpose of EV charging
An electric vehicle charging system includes logic collocated with an electric service panel to monitor a total present electric current consumption value for all electric consumers below a point in the service panel; a first input to receive the present electric current consumption value from the logic collocated with the service panel, and to compare the present electric current consumption value with a maximum current capacity value for the service panel; a second input to receive electric current from the service panel; an output to supply electric charging power to at least one electric vehicle; and logic to set an electric charging current drawn from the service panel through the second input and provided to the electric vehicle charging output to a value less than a difference between the maximum current capacity for the service panel and a sum of the present electric current consumption value and the current consumption value of a largest expected electric consumer.
H02J 3/02 - Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequenciesCircuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of ac power and of dc power
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/64 - Optimising energy costs, e.g. responding to electricity rates
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
73.
Authorization in a networked electric vehicle charging system
Networked electric vehicle charging stations for charging electric vehicles are coupled with an electric vehicle charging station network server that performs authorization for charging session requests while the communication connection between the charging stations and the server are operating correctly. When the communication connection is not operating correctly, the networked electric vehicle charging stations enter into a local authorization mode to perform a local authorization process for incoming charging session requests.
Dynamic allocation of power modules for charging electric vehicles is described herein. The charging system includes multiple dispensers that each include one or more power modules that can supply power to any one of the dispensers at a time. A dispenser includes a first power bus that is switchably connected to one or more local power modules and switchably connected to one or more power modules located remotely in another dispenser. The one or more local power modules are switchably connected to a second power bus in the other dispenser. The dispenser includes a control unit that is to cause the local power modules and the remote power modules to switchably connect and disconnect from the first power bus to dynamically allocate the power modules between the dispenser and the other dispenser.
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/66 - Data transfer between charging stations and vehicles
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
75.
Dynamic allocation of power modules for charging electric vehicles
A first dispenser receives a request to initiate charging service for charging an electric vehicle. The first dispenser determines an amount of power that is available for the charging service for charging the electric vehicle including determining an availability status of multiple power modules that are located in the first dispenser and a second dispenser. The first dispenser determines whether the available amount of power is enough to meet a requested or determined amount of power draw of the electric vehicle. If the available amount of power is not enough to meet the requested or determined amount of power draw of the electric vehicle, and if there is at least one of the power modules that is available, the first dispenser requests allocation of the available power module and charging service commences.
B60L 58/12 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/66 - Data transfer between charging stations and vehicles
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
An electric field (e-field) touchscreen is described. A continuous stream of digital signal data that represents e-field signal deviations is received from multiple receive electrodes. The stream of digital signal data is processed using a machine learning model to determine a touch event and a location on a display screen of the touchscreen. The touch event is processed. The e-field touchscreen may determine whether a non-normal event may be occurring causing noise in the digital signal data. If so, the received stream of digital signal data is processed through a low-pass filter and processed through an absolute value average baseline filter. A difference between the filtered data is determined to generate a filtered stream of digital signal data and is processed using the machine learning model determine a touch event and a location on a display screen of the touch event. The touch event is processed.
An electric field (e-field) touchscreen is described. A continuous stream of digital signal data that represents e-field signal deviations is received from multiple receive electrodes. The stream of digital signal data is processed using a machine learning model to determine a touch event and a location on a display screen of the touchscreen. The touch event is processed. The e-field touchscreen may determine whether a non-normal event may be occurring causing noise in the digital signal data. If so, the received stream of digital signal data is processed through a low-pass filter and processed through an absolute value average baseline filter. A difference between the filtered data is determined to generate a filtered stream of digital signal data and is processed using the machine learning model determine a touch event and a location on a display screen of the touch event. The touch event is processed.
An electric vehicle charging station charging electric vehicles dynamically responds to power limit messages. The charging station includes a charging port that is configured to electrically connect to an electric vehicle to provide power to charge that electric vehicle. The charging station also includes a power control unit coupled with the charging port, the power control unit configured to control an amount of power provided through the charging port. The charging station also includes a set of one or more charging station control modules that are configured to, in response to receipt of a message that indicates a request to limit an amount of power to an identified percentage and based on a history of power provided through the charging port over a period of time, cause the power control unit to limit the power provided through the charging port to the identified percentage.
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
A mobile device reads a near-field communication (NFC) tag of an electric vehicle supply equipment (EVSE). The NFC tag is encoded with an identifier of the EVSE. The mobile device transmits a charging session authorization request to a server to request authorization for a charging session at the EVSE, the request including the identifier of the EVSE and an access identifier of the electric vehicle operator. The server determines whether to grant authorization for the charging session. If granted, the server transmits a command to the EVSE to allow the charging session.
A plurality of charging equipment for charging electric vehicles share a current capacity. A first charging equipment of the plurality dynamically allocates electric current among the plurality of charging equipment such that the maximum amount of electric current capacity is prevented from being exceeded while permitting each of the plurality of charging equipment to charge an electric vehicle.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 50/40 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
B60L 53/64 - Optimising energy costs, e.g. responding to electricity rates
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/67 - Controlling two or more charging stations
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
83.
EV operator specific parameter(s) communicated between PEV and EVSE
An electric vehicle supply equipment (EVSE) receives, from an electric vehicle (EV) connected to the EVSE, one or more electric vehicle (EV) operator-specific parameters that are specific to an EV operator, where the one or more EV operator-specific parameters affect charging service for the EV at the EVSE, and where the one or more EV operator-specific parameters are received automatically as a result of the EV being connected to the EVSE. The EVSE applies the one or more EV operator-specific parameters.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
B60L 53/60 - Monitoring or controlling charging stations
B60L 53/62 - Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/68 - Off-site monitoring or control, e.g. remote control
G06F 21/62 - Protecting access to data via a platform, e.g. using keys or access control rules
H04W 4/40 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
84.
Transferring charge between a local power grid and electric vehicles
A charge transfer device for transferring charge between a local power grid and an electric vehicle is mounted to a street light. The charge transfer device includes a control device to control application of charge transfer between the local power grid and the electric vehicle. The charge transfer device is coupled to the local power grid through a wiring box that also couples the street light to the local power grid. The charge transfer device includes a current measuring device to measure an amount of current flowing for charge transfer. The charge transfer device includes a controller to cause the control device to control application of charge transfer and monitor output from the current measuring device.
H01M 10/46 - Accumulators structurally combined with charging apparatus
B60L 53/00 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles
B60L 55/00 - Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
B60L 53/66 - Data transfer between charging stations and vehicles
G07C 5/00 - Registering or indicating the working of vehicles
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/04 - Regulation of the charging current or voltage
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
F21S 8/08 - Lighting devices intended for fixed installation with a standard
F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
H04B 7/26 - Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
85.
Dynamic allocation of power modules for charging electric vehicles
Dynamic allocation of power modules for charging electric vehicles is described herein. A power cabinet includes multiple power modules that each are capable of supplying an amount of power to a dispenser. Multiple dispensers are coupled with the same power cabinet. A first power bus couples a first dispenser and switchably connects the power modules to the first dispenser; and a second power bus couples a second dispenser and switchably connects the power modules to the second dispenser. The power cabinet includes a control unit that is configured to cause the power modules to switchably connect and disconnect from the first power bus and the second power bus to dynamically allocate the power modules between the first dispenser and the second dispenser.
B60L 53/00 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles
An external electric vehicle battery thermal management system is described. An electric vehicle thermal system provides external coolant to an internal battery thermal system of an electric vehicle. The internal battery thermal system includes a liquid-to-liquid heat exchanger to cool or warm the set of batteries of the electric vehicle. The external coolant is pumped through a first side of the heat exchanger and serves as the source to cool or heat internal coolant pumped through a second side of the heat exchanger. The external coolant and the internal coolant do not mix.
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/37 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
B60L 58/33 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
An external electric vehicle battery thermal management system is described. An electric vehicle thermal system provides external coolant to an internal battery thermal system of an electric vehicle. The internal battery thermal system includes a liquid-to-liquid heat exchanger to cool or warm the set of batteries of the electric vehicle. The external coolant is pumped through a first side of the heat exchanger and serves as the source to cool or heat internal coolant pumped through a second side of the heat exchanger. The external coolant and the internal coolant do not mix.
B60L 58/33 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
B60L 53/37 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/30 - Constructional details of charging stations
37 - Construction and mining; installation and repair services
Goods & Services
Installation, maintenance, repair of electrical charging stations and related computer networking hardware; technical consulting services in the field of installation, maintenance and repair of electrical charging stations for electric vehicles; technical consulting services in the field of electrical charging for vehicles
An external electric vehicle battery thermal management system is described. An electric vehicle thermal system provides external coolant to an internal battery thermal system of an electric vehicle. The internal battery thermal system includes a liquid-to-liquid heat exchanger to cool or warm the set of batteries of the electric vehicle. The external coolant is pumped through a first side of the heat exchanger and serves as the source to cool or heat internal coolant pumped through a second side of the heat exchanger. The external coolant and the internal coolant do not mix.
H01R 13/00 - Details of coupling devices of the kinds covered by groups or
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60K 6/22 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
Networked electric vehicle charging stations for charging electric vehicles are coupled with an electric vehicle charging station network server that performs authorization for charging session requests while the communication connection between the charging stations and the server are operating correctly. When the communication connection is not operating correctly, the networked electric vehicle charging stations enter into a local authorization mode to perform a local authorization process for incoming charging session requests.
An electric vehicle charging station network server that manages a plurality of charging stations receives subscriber notification message preferences for a subscriber (e.g., electric vehicle operator) that indicate one or more events of interest for which the subscriber wishes to receive notification messages. A set of one or more contact points associated with the subscriber is also received. The server receives data associated with the subscriber that indicates that a charging session at one of the charging stations has been established for an electric vehicle associated with the subscriber. The server detects an event of interest for the subscriber and transmits a notification message for that event to at least one of the set of contact points associated with the subscriber.
G06F 15/16 - Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
An electric vehicle charging system includes logic collocated with an electric service panel to monitor a total present electric current consumption value for all electric consumers below a point in the service panel; a first input to receive the present electric current consumption value from the logic collocated with the service panel, and to compare the present electric current consumption value with a maximum current capacity value for the service panel; a second input to receive electric current from the service panel; an output to supply electric charging power to at least one electric vehicle; and logic to set an electric charging current drawn from the service panel through the second input and provided to the electric vehicle charging output to a value less than a difference between the maximum current capacity for the service panel and a sum of the present electric current consumption value and the current consumption value of a largest expected electric consumer.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
H02J 3/02 - Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequenciesCircuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of ac power and of dc power
B60L 53/66 - Data transfer between charging stations and vehicles
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/64 - Optimising energy costs, e.g. responding to electricity rates
An electric vehicle charging station that uses a liquid cooled charging cable is described. The charging station includes a charging port that is configured to connect to a liquid cooled charging cable. The liquid cooled charging cable includes a cooling loop where a return side of the cooling loop is a warm side. The charging station includes a heat exchanger that transfers heat from the warm side of the cooling loop. The charging station includes a pump to pump a cool side of the liquid through the cooling loop. The charging station includes a module that causes the following to be performed in response to a startup sequence of the electric vehicle charging station: iteratively perform operations of operating the pump at increasing speeds and measuring corresponding pressure output until the speed of the pump is at its normal capacity.
An electric vehicle charging station that uses a liquid cooled charging cable is described. The charging station includes a charging port that is configured to connect to a liquid cooled charging cable. The liquid cooled charging cable includes a cooling loop where a return side of the cooling loop is a warm side. The charging station includes a heat exchanger that transfers heat from the warm side of the cooling loop. The charging station includes a pump to pump a cool side of the liquid through the cooling loop. The charging station includes a module that causes the following to be performed in response to a startup sequence of the electric vehicle charging station: iteratively perform operations of operating the pump at increasing speeds and measuring corresponding pressure output until the speed of the pump is at its normal capacity.
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
F28D 1/04 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits
100.
Method and apparatus for management of current load to an electric vehicle charging station in a residence
An electric vehicle charging station that is installed in a residence is coupled with a main circuit breaker in an electrical service panel. The charging station includes a charging point connection that couples an electric vehicle to a set of service drop power lines that provide electricity from a power grid to the residence; a current control device coupled to control the amount of electric current that can be drawn from the set of service drop power lines by an the electric vehicle through the charging point connection; a receiver to receive energy readings from one or more current monitors that indicate an amount of current is being drawn from the set of service drop power lines; and a set of control modules to cause the current control device to control the amount of current that can be drawn by the electric vehicle through the charging point connection based on the received energy readings to avoid tripping the main circuit breaker.
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/10 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
B60L 53/30 - Constructional details of charging stations
B60L 53/60 - Monitoring or controlling charging stations
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/04 - Regulation of the charging current or voltage
