# US 2014/0152256 A1 · Network-controlled charging system for electric vehicles

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- Number: US 2014/0152256 A1
- Document ID: US20140152256A1
- Status: Published application
- Kind: A1
- Application number: 13/874,413
- Filed: 2013-04-30
- Published: 2014-06-05
- Earliest claimed: 2008-01-07
- Assignees: Chargepoint, Inc.
- Inventors: Richard Lowenthal; Dave Baxter; Harjinder Bhade; Praveen Mandal
- Web page: https://patentgrep.com/patent/US20140152256A1

## CPC

- H02J 13/1323: {using optical fibres}
- B60L 53/14: Conductive energy transfer
- B60L 53/305: {Communication interfaces}
- B60L 53/64: Optimising energy costs, e.g. responding to electricity rates
- 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
- B60L 55/00: Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
- G07C 5/008: {communicating information to a remotely located station (transmission systems for measured values G08C)}
- G07F 15/005: {dispensed for the electrical charging of vehicles (electrical charging as such, B60L50/00)}
- H02J 3/322: {the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging}
- H02J 13/1331: {using wireless data transmission}
- H02J 13/1333: {by means of mobile telephony}
- H02J 13/1335: {involving a local wireless network, e.g. Wi-Fi®, ZigBee® or Bluetooth®}
- B60L 2240/627: by WLAN
- G07C 5/085: {using electronic data carriers}
- H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones
- H02J 7/47: Arrangements for checking compatibility or authentication between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
- H02J 7/50: acting upon multiple batteries simultaneously or sequentially
- H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV]
- H04L 12/28: characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks] (wireless communication networks H04W {; arrangements for dividing the transmission path H04W40/00})
- H04L 67/12: specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04W 84/12: WLAN [Wireless Local Area Networks]
- H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks
- Y02B 70/30: Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B 90/20: Smart grids as enabling technology in buildings sector (smart grids supporting the management or operation of end-user stationary applications in general, or like technologies with no associated climate change mitigation effect Y04S20/00)
- Y02E 60/00: Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T 10/70: Energy storage systems for electromobility, e.g. batteries
- Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
- Y02T 10/72: Electric energy management in electromobility
- Y02T 90/12: Electric charging stations
- Y02T 90/14: Plug-in electric vehicles
- Y02T 90/16: Information or communication technologies improving the operation of electric vehicles
- Y04S 10/126: the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
- Y04S 20/221: General power management systems
- Y04S 40/124: using wired telecommunication networks or data transmission busses
- Y04S 40/126: using wireless data transmission
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- G07C: TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07F: COIN-FREED OR LIKE APPARATUS (coin sorting G07D3/00; coin testing G07D5/00; {handling coins or paper currencies apart from payment activated apparatus G07D; payment architectures, schemes or protocols G06Q20/00})
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS

## Abstract

A network-controlled charge transfer device for electric vehicles includes a control device to turn electric supply on and off to enable and disable charge transfer for electric vehicles, a transceiver to communicate requests for charge transfer with a remote server and receive communications from the remote server, and a controller, coupled with the control device and the transceiver, to cause the control device to turn the electric supply on based on communication from the remote server.

## Claims

### Claim 1

A network-controlled charge transfer device for transferring charge between a local power grid and an electric vehicle comprising:
an electrical receptacle configured to receive an electrical connector for connection to said electric vehicle;
an electric power line connecting said local power grid to said receptacle;
a control device on said electric power line, for switching said receptacle on and off;
a current measuring device on said electric power line, for measuring current flowing through said receptacle;
a controller configured to operate said control device and to monitor the output from said current measuring device;
a transceiver connected to said controller, said transceiver being configured to connect said controller to a local area network for access to a remote server via a wide area network; and
a communication device connected to said controller, said communication device being configured to connect said controller to a mobile wireless communication device, for communication between the operator of said vehicle and said controller;
wherein said controller is configured to manage charge transfer based on power grid load data, said power grid load data being available from said remote server, and wherein charge transfer may be in either direction between said local power grid and said electric vehicle.

### Claim 2 (depends on 1)

A device as in claim 1, wherein said wide area network is the Internet.

### Claim 3 (depends on 1)

A device as in claim 1, wherein said transceiver is a wireless local area network transceiver and said local area network is a wireless local area network.

### Claim 4 (depends on 1)

A device as in claim 1, wherein said transceiver is an alternating current line transceiver and said local area network is a power line communication network.

### Claim 5 (depends on 1)

A device as in claim 1, wherein said communication device is a wireless personal area network transceiver.

### Claim 6 (depends on 1)

A device as in claim 1, wherein said communication device is a radio frequency identification transceiver and said mobile wireless communication device is a radio frequency identification transponder.

### Claim 7 (depends on 1)

A device as in claim 1, wherein said communication device is a radio frequency identification receiver and said mobile wireless communication device is a mobile radio frequency identification transmitter.

### Claim 8 (depends on 1)

A device as in claim 1, further comprising an alternating current line transceiver connected to said controller, said alternating current line transceiver being configured to connect said controller to a power line communication network for access to a remote payment station.

### Claim 9 (depends on 1)

A device as in claim 1, further comprising indicator lights attached to said electrical outlet, said lights being connected to said controller, said controller being configured to operate said indicator lights in correspondence with an operational state of said charge transfer device.

### Claim 10 (depends on 1)

A device as in claim 1, further comprising a display unit attached to said electrical receptacle, for displaying information relating to charge transfer.

### Claim 11 (depends on 1)

A device as in claim 1, further comprising a vehicle detector connected to said controller, said vehicle detector being configured to detect a vehicle in a parking space corresponding to said charge transfer device.

### Claim 12 (depends on 11)

A device as in claim 11, wherein said vehicle detector is a sonar sensor array attached to said receptacle.

### Claim 13 (depends on 11)

A device as in claim 11, wherein said vehicle detector is a camera attached to said receptacle.

### Claim 14 (depends on 11)

A device as in claim 11, wherein said vehicle detector is an induction coil in said parking space.

### Claim 15 (depends on 11)

A device as in claim 11, wherein said controller is configured to communicate parking-space availability to said remote server based on input from said vehicle detector.

### Claim 16 (depends on 1)

A device as in claim 1, wherein said controller is further configured to manage charge transfer based on a consumer profile, said consumer profile being stored on said remote server.

### Claim 17

A network-controlled charge transfer device for transferring charge between a local power grid and an electric vehicle comprising:
an electrical receptacle configured to receive an electrical connector for connection to said electric vehicle;
an electrical power line connecting said local power grid to said receptacle;
a control device on said electric power line, for switching said receptacle on and off;
a current measuring device on said electric power line, for measuring current flowing through said receptacle;
a controller configured to operate said control device and to monitor the output from said current measuring device;
an alternating current line transceiver connected to said controller, said alternating current line transceiver being configured to connect said controller to a power line communication network for access to a remote payment station; and
a communication device connected to said controller, said communication device being configured to connect said controller to a mobile wireless communication device, for communication between the operator of said electric vehicle and said controller;
wherein said remote payment station comprises a data control unit configured to connect said payment station to a wide area network for access to a remote server, wherein said controller is configured to manage charge transfer based on power grid load data, said power grid load data being available from said remote server, and wherein charge transfer may be in either direction between said local power grid and said electric vehicle.

### Claim 18 (depends on 17)

A device as in claim 17, wherein said wide area network is. the Internet.

### Claim 19 (depends on 17)

A device as in claim 17, wherein said communication device is a wireless personal area network transceiver.

### Claim 20 (depends on 17)

A device as in claim 17, wherein said communication device is a radio frequency identification transceiver and said mobile wireless communication device is a radio frequency identification transponder.

### Claim at position 21

21-87. (canceled)