GB2590225A - Battery controller communication systems - Google Patents

Battery controller communication systems Download PDF

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Publication number
GB2590225A
GB2590225A GB2100393.4A GB202100393A GB2590225A GB 2590225 A GB2590225 A GB 2590225A GB 202100393 A GB202100393 A GB 202100393A GB 2590225 A GB2590225 A GB 2590225A
Authority
GB
United Kingdom
Prior art keywords
battery
optocoupler
communication system
controller
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB2100393.4A
Other versions
GB202100393D0 (en
GB2590225B (en
Inventor
Harrison Jason
Fleet Tristan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petalite Ltd
Original Assignee
Petalite Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petalite Ltd filed Critical Petalite Ltd
Publication of GB202100393D0 publication Critical patent/GB202100393D0/en
Publication of GB2590225A publication Critical patent/GB2590225A/en
Application granted granted Critical
Publication of GB2590225B publication Critical patent/GB2590225B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Transmitters (AREA)

Abstract

A battery controller communication system for providing communication between a parent and a child controller of a battery system including at least one battery, the battery controller communication system including: an input configured to receive information from the parent controller as an input signal; an output configured to provide the information to the child controller as an output signal; and a switch circuit configured to detect the input signal, to turn on electrical power to the child controller on detection of the input signal, and turn off electrical power to the child controller after the input signal ceases..

Claims (15)

Claims
1. A battery controller communication system for providing communication between a parent and a child controller of a battery system including at least one battery, the battery controller communication system including: an input configured to receive information from the parent controller as an input signal; an output configured to provide the information to the child controller as an output signal; and a switch circuit configured to detect the input signal, to turn on electrical power to the child controller on detection of the input signal, and turn off electrical power to the child controller after the input signal ceases.
2. A communication system according to claim 1 , wherein the switch circuit is further configured to turn off electrical power to the child controller a predetermined period after the input signal ceases.
3. A communication system according to claim 2, wherein the switch circuit includes a timer circuit which is configured to control the provision electrical power to the child controller after the input signal ceases.
4. A communication system according to claim 3, wherein the timer circuit includes a charge storage device which is charged by the input signal and the discharge of which controls when electrical power to the child controller is turned off.
5. A communication system according to claim 3 or 4, further including one or more switch devices coupled to the timer circuit and which are configured to actuated by the timer circuit to control the provision of electrical power to the child controller.
6. A communication system according to any preceding claim, wherein the switch circuit is further configured to control the provision of the input signal to the output.
7. A communication system according to any preceding claim, further including an optocoupler in a communication pathway between the input and the output .
8. A communication system according to claim 7, further including: an optocoupler driver circuit configured to drive operation of the optocoupler; and an input voltage filter coupled to an output of the optocoupler and an input of the switch circuit, wherein the input voltage filter and optocoupler driver circuit are configured to limit a voltage range of the output from the optocoupler.
9. A communication system according to claim 8, wherein the input voltage filter includes a comparator which is configured to compare the output of the optocoupler with a voltage which is dependent on and less than a voltage of the battery.
10. A communication system according to claim 8 or 9, wherein the optocoupler driver circuit is configured to drive a light emitter of the optocoupler based on the input signal and a reference voltage to compensate for voltage variations from the battery.
11. A battery controller communication system for providing communication between a parent and a child controller of a battery system including at least one battery, the battery controller communication system including: an input configured to receive information from the parent controller as an input signal; an output configured to provide the information to the child controller as an output signal; an optocoupler in a communication pathway between the input and the output; an optocoupler driver circuit configured to drive operation of the optocoupler; and an input voltage filter coupled to an output of the optocoupler and an input of the switch circuit, wherein the voltage range limiter and optocoupler driver circuit are configured to limit a voltage range of the output from the optocoupler.
12. A communication system according to claim 11 , wherein the input voltage filter includes a comparator which is configured to compare the output of the optocoupler with a voltage which is dependent on and less than a voltage of the battery.
13. A communication system according to claim 11 or 12, wherein the optocoupler driver circuit is configured to drive a light emitter of the optocoupler based on the input signal and a reference voltage to compensate for voltage variations from the battery.
14. A battery system including the communication system of any preceding claim and the at least one battery, wherein the child controller is configured to be powered by the at least one battery.
15. A vehicle including a communication system according to any of claims 1 to 13 or a battery system according to claim 14.
GB2100393.4A 2018-07-31 2019-07-24 Battery controller communication systems Active GB2590225B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1812470.1A GB2576001B (en) 2018-07-31 2018-07-31 Battery controller communication systems
PCT/GB2019/052071 WO2020025931A1 (en) 2018-07-31 2019-07-24 Battery controller communication systems

Publications (3)

Publication Number Publication Date
GB202100393D0 GB202100393D0 (en) 2021-02-24
GB2590225A true GB2590225A (en) 2021-06-23
GB2590225B GB2590225B (en) 2022-07-27

Family

ID=63518164

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1812470.1A Active GB2576001B (en) 2018-07-31 2018-07-31 Battery controller communication systems
GB2100393.4A Active GB2590225B (en) 2018-07-31 2019-07-24 Battery controller communication systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1812470.1A Active GB2576001B (en) 2018-07-31 2018-07-31 Battery controller communication systems

Country Status (2)

Country Link
GB (2) GB2576001B (en)
WO (1) WO2020025931A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110002068A1 (en) * 2009-07-02 2011-01-06 Jin Hu Switching regulator with fault protection and method thereof
DE102012204958A1 (en) * 2012-03-28 2013-10-02 Robert Bosch Gmbh Method for activating a plurality of monitoring units of a battery, battery and motor vehicle with the same
KR20160103403A (en) * 2015-02-24 2016-09-01 주식회사 엘지화학 Battery Management System
US20170207780A1 (en) * 2016-01-19 2017-07-20 Texas Instruments Incorporated Adjusting drive strength for driving transistor device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007041866A1 (en) * 2005-10-14 2007-04-19 Research In Motion Limited Battery pack authentication for a mobile device
JP4796119B2 (en) * 2008-12-09 2011-10-19 三菱重工業株式会社 Battery device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110002068A1 (en) * 2009-07-02 2011-01-06 Jin Hu Switching regulator with fault protection and method thereof
DE102012204958A1 (en) * 2012-03-28 2013-10-02 Robert Bosch Gmbh Method for activating a plurality of monitoring units of a battery, battery and motor vehicle with the same
KR20160103403A (en) * 2015-02-24 2016-09-01 주식회사 엘지화학 Battery Management System
US20170207780A1 (en) * 2016-01-19 2017-07-20 Texas Instruments Incorporated Adjusting drive strength for driving transistor device

Also Published As

Publication number Publication date
GB2576001B (en) 2022-08-10
GB201812470D0 (en) 2018-09-12
GB2576001A (en) 2020-02-05
WO2020025931A1 (en) 2020-02-06
GB202100393D0 (en) 2021-02-24
GB2590225B (en) 2022-07-27

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