# US 2013/0154561 A1 · Network based management for multiplexed electric vehicle charging > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0154561 A1 - Document ID: US20130154561A1 - Status: Published application - Kind: A1 - Application number: 13/691,709 - Filed: 2012-11-30 - Published: 2013-06-20 - Earliest claimed: 2011-11-30 - Assignees: The Regents of the University of California - Inventors: Rajit Gadh; Ching Yen Chung; Li Qi; Chi-Cheng Chu - Web page: https://patentgrep.com/patent/US20130154561A1 ## CPC - H02J 1/14: Balancing load and power generation in DC networks - B60L 53/14: Conductive energy transfer - H02J 1/15: characterised by load management - H02J 7/56: Active balancing, e.g. using capacitor-based, inductor-based or DC-DC converters - H02J 7/92: with prioritisation of loads or sources - H02J 13/1333: {by means of mobile telephony} - H02J 13/1335: {involving a local wireless network, e.g. Wi-Fi®, ZigBee® or Bluetooth®} - H02J 13/1337: {involving the use of Internet protocols} - B60L 2240/70: Interactions with external data bases, e.g. traffic centres - H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] - 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 10/92: Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - Y02T 90/167: Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV] - Y04S 30/12: Remote or cooperative charging - Y04S 30/14: Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing - 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 - 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 system for multiplexing charging of electric vehicles, comprising a server coupled to a plurality of charging control modules over a network. Each of said charging modules being connected to a voltage source such that each charging control module is configured to regulate distribution of voltage from the voltage source to an electric vehicle coupled to the charging control module. Data collection and control software is provided on the server for identifying a plurality of electric vehicles coupled to the plurality of charging control modules and selectively distributing charging of the plurality of charging control modules to multiplex distribution of voltage to the plurality of electric vehicles. ## Claims ### Claim 1 A system for multiplexing charging of electric vehicles, comprising: a server; said server coupled to a charging control module over a network; wherein said charging module comprises an input coupled to a voltage source; wherein each charging control module is configured to regulate distribution of voltage from the voltage source to an electric vehicle coupled to the charging control module; and software executable on said server for: a) identifying an electric vehicle coupled to the charging control module; and b) selectively distributing charging of the charging control module to multiplex distribution of voltage between the electric vehicle coupled to the charging control module and one or more other electric vehicles coupled to the server. ### Claim 2 (depends on 1) A system as recited in claim 1, wherein selectively distributing charging further comprises: generating a charging schedule based on one or more parameters; and distributing voltage to the electric vehicles according to the charging schedule. ### Claim 3 (depends on 2) A system as recited in claim 2, wherein voltage is distributed to the electric vehicles simultaneously. ### Claim 4 (depends on 2) A system as recited in claim 2, wherein voltage is distributed to the electric vehicles sequentially. ### Claim 5 (depends on 4) A system as recited in claim 4, wherein voltage is distributed to the electric vehicles on a first-come, first-serve basis. ### Claim 6 (depends on 4) A system as recited in claim 4, wherein voltage is distributed to the electric vehicles on a first-come, first-serve basis. ### Claim 7 (depends on 4) A system as recited in claim 4, wherein voltage is distributed to the electric vehicles based on an established priority between the electric vehicles. ### Claim 8 (depends on 7) A system as recited in claim 7, wherein voltage is distributed to the electric vehicles as a function of an established priority between the electric vehicles and an energy pricing threshold associated with an electric vehicle. ### Claim 9 (depends on 4) A system as recited in claim 4, wherein voltage is distributed to the electric vehicles based on an automatically-starting time schedule. ### Claim 10 (depends on 4) A system as recited in claim 4, wherein voltage is distributed to the electric vehicles based on manually-starting time schedule. ### Claim 11 (depends on 2) A system as recited in claim 2, wherein the one or more parameters comprise one or more of: a schedule of a user associated with an electric vehicle, power characteristics of the voltage source; status of a grid associated with the voltage source, pricing data associated with the voltage source, and charging characteristics of the electric vehicle. ### Claim 12 (depends on 1) A system as recited in claim 1, wherein the charging control modules comprise: a voltage input; a plurality of voltage outputs each configured to individually couple to an electric vehicle; and wherein the supplied voltage may be multiplexed over the plurality of voltage outputs. ### Claim 13 (depends on 2) A system as recited in claim 2, wherein the charging control module comprises: a sensor, said sensor configured for sensing a characteristic of the supplied voltage; wherein the charging control module is configured to upload data relating to said characteristic to said server. ### Claim 14 (depends on 13) A system as recited in claim 13, wherein the characteristic comprises one or more of: current, voltage, frequency, and power quality of the supplied voltage. ### Claim 15 (depends on 1) A system as recited in claim 1, wherein the server communicates with the plurality of charging control modules over a wireless network. ### Claim 16 A multiplexing charge control apparatus for electric vehicles, comprising: a charging control module; said charging module comprising an input configured to be coupled to a voltage source and at least one power output configured to be coupled to an electric vehicle; said charging control module having a network connectable communications interface; and a remote server; said communications interface configured for communication between said server and said charging control module through a network gateway or other communications link; said communications interface configured for communication of charge control signals from said server to said charging control module for independently controlling distribution of power to said at least one output; wherein said control signals are configured for multiplexing distribution of charging the electric vehicle connected to said power output and a second electric vehicle coupled to the remote server. ### Claim 17 (depends on 16) An apparatus as recited in claim 16, further comprising software executable on said server for: identifying an electric vehicle coupled to the charging control module; and selectively distributing charging of the charging control module to multiplex distribution of voltage between the electric vehicle coupled to the charging control module and the second electric vehicle. ### Claim 18 (depends on 17) An apparatus as recited in claim 17, wherein selectively distributing charging further comprises: generating a charging schedule based on one or more parameters; and distributing voltage to the electric vehicles according to the charging schedule. ### Claim 19 (depends on 18) An apparatus as recited in claim 18, wherein voltage is distributed to the electric vehicles simultaneously. ### Claim 20 (depends on 18) An apparatus as recited in claim 18, wherein voltage is distributed to the electric vehicles sequentially. ### Claim 21 (depends on 20) An apparatus as recited in claim 20, wherein voltage is distributed to the electric vehicles on a first-come, first-serve basis. ### Claim 22 (depends on 20) An apparatus as recited in claim 20, wherein voltage is distributed to the electric vehicles on a first-come, first-serve basis. ### Claim 23 (depends on 20) An apparatus as recited in claim 20, wherein voltage is distributed to the electric vehicles based on an established priority between the electric vehicles. ### Claim 24 (depends on 23) An apparatus as recited in claim 23, wherein voltage is distributed to the electric vehicles as a function of an established priority between the electric vehicles and an energy pricing threshold associated with an electric vehicle. ### Claim 25 (depends on 20) An apparatus as recited in claim 20, wherein voltage is distributed to the electric vehicles based on an automatically-starting time schedule. ### Claim 26 (depends on 20) An apparatus as recited in claim 20, wherein voltage is distributed to the electric vehicles based on manually-starting time schedule. ### Claim 27 (depends on 18) An apparatus as recited in claim 18, wherein the one or more parameters comprise one or more of: a schedule of a user associated with an electric vehicle, power characteristics of the voltage source; status of a grid associated with the voltage source, pricing data associated with the voltage source, and charging characteristics of the electric vehicle. ### Claim 28 (depends on 16) An apparatus as recited in claim 16, wherein the charging control module comprises: a voltage input; a plurality of voltage outputs each configured to individually couple to an electric vehicle; wherein the supplied voltage may be multiplexed over the plurality of voltage outputs. ### Claim 29 A multiplexing charge control apparatus for electric vehicles, comprising: a charging control module; said charging module comprising an input configured to be coupled to a voltage source and a plurality of voltage outputs each configured to individually couple to an electric vehicle; wherein the supplied voltage may be multiplexed over the plurality of voltage outputs; said charging control module having a network connectable communications interface; and a remote server; said communications interface configured for communication between said server and said charging control module through a network gateway or other communications link; said communications interface configured for communication of charge control signals from said server to said charging control module for independently controlling distribution of power to said outputs; wherein said control signals are configured for multiplexing distribution of charging between a plurality of electric vehicles connected to said power outputs.