EP3545582A1 - Battery unit for a vehicle with a separate communication unit - Google Patents
Battery unit for a vehicle with a separate communication unitInfo
- Publication number
- EP3545582A1 EP3545582A1 EP17797133.0A EP17797133A EP3545582A1 EP 3545582 A1 EP3545582 A1 EP 3545582A1 EP 17797133 A EP17797133 A EP 17797133A EP 3545582 A1 EP3545582 A1 EP 3545582A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery
- unit
- management system
- communication unit
- motor vehicle
- 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.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
-
- 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
- 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
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- 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
Definitions
- the invention relates to a battery unit for use on a vehicle electrical system of a motor vehicle, in particular of a motor vehicle with a
- An internal combustion engine comprising a battery module and a
- Lead-acid batteries used as energy storage in a 12V electrical system.
- Such a lead-acid battery which has a positive pole and a negative pole, serves inter alia as a starter battery for starting the
- the electrical system and its functionalities are based on the characteristics of the lead-acid battery, such as internal resistance, charging
- the lead-acid battery is used by the motor vehicle as a basis for functions of a
- a battery sensor connected to the negative pole and the positive pole of the lead-acid battery will detect the status of the lead-acid battery.
- the battery sensor measures under
- the battery sensor determines the state of charge and the aging of the lead-acid battery.
- the battery sensor transmits the relevant determined values via a bus system to a corresponding control unit of the motor vehicle.
- a lithium-ion battery has different characteristics than a lead-acid battery due to the different technology. These include, inter alia, a lower
- the battery sensor present in the motor vehicle would therefore transmit faulty data to the control unit of the motor vehicle.
- a lithium-ion battery would therefore have to replace not only the conventional lead-acid battery but also the battery sensor and its functionality in an exchange.
- the battery sensor comprises a measuring unit for measuring current and voltage, in particular an open circuit voltage of the replaced battery.
- the system comprises for this purpose a monitoring unit which categorizes the batteries according to the state of aging and / or internal resistance and which causes batteries with a similar state of aging and / or
- the monitoring unit is connected by means of a data connection to the batteries.
- the battery unit comprises a battery module and a battery management system for monitoring and regulating the
- the battery unit is used in particular to replace a failed lead-acid battery as a starter battery for a
- the battery unit also comprises a communication unit, which can be detached, preferably by means of a connector, with the
- the communication unit has a receiving unit for receiving data from the
- Battery management system a conversion unit for converting the data received from the battery management system data and a
- Transmission unit for the transmission of converted data to a
- the communication unit partially assumes the function of the previous battery sensor.
- the communication unit transmits data of the battery module, such as in particular a state of charge of the battery
- Communication unit requires, however, unlike the previous battery sensor, no voltmeter and no ammeter.
- the receiving unit receives data from the battery management system.
- the conversion unit converts the data received from the battery management system into a form generated by the control unit of the
- the transmission unit then transmits the converted data to the control unit of the motor vehicle.
- the battery module of the battery unit on a plurality of battery cells, which are designed as lithium-ion cells.
- Lithium-ion cells have a particular compared to cells of lead-acid batteries extended life, improved cycle stability, higher
- the type of battery cells is not limited to lithium-ion cells.
- lithium-sulfur cells lithium-air cells
- supercapacitors are suitable for all types of secondary cells.
- lithium-sulfur cells lithium-air cells
- supercapacitors are suitable for all types of secondary cells.
- the communication unit is arranged outside of a housing in which the battery module is arranged.
- the communication unit is accessible from the outside and can be relatively easily replaced.
- the communication unit is also arranged outside of a housing in which the battery management system is arranged.
- the battery module and the battery management system can be arranged in the same housing. But it is also conceivable that the
- Battery module is arranged with the battery cells.
- the communication line of the motor vehicle is used to transmit data to the control unit of the motor vehicle.
- Communication line includes, for example, a plug for connection to a corresponding mating connector of the previous battery sensor.
- the communication unit has, for example, a similar mating connector.
- the connector of the communication line can be releasably connected to the mating connector of the communication unit.
- Conversion unit converted data into a standardized bus protocol around.
- the bus protocol is in each case specific to the bus system of the relevant motor vehicle, in which the battery unit according to the invention is installed.
- it may be a CAN bus or a LIN bus.
- Communication unit positively and / or non-positively held on a holder on a housing in which the battery module and / or the battery management system are arranged.
- Communication unit and a configuration unit for configuring and / or programming of the receiving unit, the conversion unit and / or the transmission unit.
- Configuration unit, the conversion unit and the transmission unit are adapted to the control unit and to the bus system of the relevant motor vehicle.
- the communication unit has at least one programmable microprocessor.
- the programmable microprocessor is integrated in particular in the configuration unit.
- a battery unit according to the invention advantageously finds use on a vehicle electrical system of a motor vehicle, in particular of a motor vehicle with an internal combustion engine and in particular for the replacement of a conventional lead-acid battery.
- a vehicle electrical system of a motor vehicle in particular of a motor vehicle with an internal combustion engine and in particular for the replacement of a conventional lead-acid battery.
- other uses, for example, on electrical systems other motor vehicles such as hybrid vehicles, plug-in hybrid vehicles and electric vehicles are conceivable.
- the invention allows replacement of a conventional 12V lead-acid battery with a 12V lithium-ion battery
- Communication unit thus enables the use of a lithium-ion battery in motor vehicles, which are tuned to the properties of a lead-acid battery.
- battery modules with lithium-ion cells can be used.
- only one type of battery module with battery management system needs to be produced and stockpiled.
- costs for warehousing are reduced.
- the adaptation to the respective motor vehicle is done by selecting the communication unit suitable for the motor vehicle.
- a communication unit is, however, compared to a battery module is relatively small and space-saving and has a much lower weight.
- the communication unit is programmable, adaptation to the respective motor vehicle can take place by appropriate programming. As a result, the flexibility of the battery unit according to the invention is further increased. In this case, only one type of communication unit needs to be produced and stockpiled, which further reduces the cost of warehousing.
- FIG. 1 shows a battery unit to an electrical system of a motor vehicle
- FIG. 2 shows a communication unit of the battery unit of FIG. 1.
- FIG. 1 shows a battery unit 10 on a vehicle electrical system 50 of a motor vehicle.
- vehicle electrical system 50 the voltage-carrying supply lines are referred to in the motor vehicle in this context.
- the electrical system 50 in the present case has a nominal voltage of 12 volts with respect to a ground line 55 in the motor vehicle.
- the battery unit 10 includes a positive pole 12, which is connected to the electrical system 50.
- the battery unit 10 also includes a negative pole 11 which is connected to the ground line 55.
- the battery unit 10 comprises a battery module 20, which several
- Battery cells which are designed as lithium-ion cells.
- the battery cells are connected in series, for example, and deliver one
- the battery module 20 has a negative terminal 21 and a positive terminal 22. Between the terminals 21, 22 of the battery module 20 is supplied by the said battery cells nominal voltage of 12 volts.
- the battery module 20 is arranged in a housing 24.
- the negative pole 11 and the positive pole 12 project out of the housing 24.
- the negative terminal 21 is electrically connected to the negative pole 11, and the positive terminal 22 is electrically connected to the positive pole 12.
- the poles 11, 12 is also that of the battery cells of the
- Battery module 20 supplied nominal voltage of 12 volts.
- the battery unit 10 also includes a battery management system 40 for monitoring and controlling the battery module 20.
- Battery management system 40 is also present within the housing 24. The battery management system 40 determines data for
- the battery management system 40 determines a current voltage, a
- the battery unit 10 further comprises a communication unit 30 which is connected in the present case by means of a connector via a data line 54 to the battery management system 40.
- the communication unit 30 is thus detachably connected to the battery management system 40.
- Communication unit 30 is arranged outside of the housing 24, in which the battery module 20 and the battery management system 40 are arranged.
- the battery management system 40 transmits the data for describing the state of the battery module 20 via the data line 54 to the
- the communication unit 30 is by means of a
- Communication line 58 connected to a control unit of the motor vehicle, not shown here.
- FIG. 2 shows a detailed representation of the communication unit 30 of the battery unit 10 shown in FIG. 1.
- the communication unit 30 is connected to the battery management system 40 via the data line 54. Furthermore, the communication unit 30 is releasably connected by means of a connector via the communication line 58 to the control unit of the motor vehicle.
- the communication unit 30 here comprises a receiving unit 32, a conversion unit 34, a transmission unit 36 and a
- the configuration unit 38 serves for
- the Communication unit 30 a programmable microprocessor, not shown here, which is presently integrated into the configuration unit 38.
- the receiving unit 32 receives the data for describing the state of the battery module 20 from the battery management system 40 via the
- the conversion unit 34 converts the data which the receiving unit 32 receives from the battery management system 40 into a form that is readable by the control unit of the motor vehicle.
- the transmission unit 36 then transmits the data thus converted via the communication line 58 to the control unit of the motor vehicle.
- the transmission unit 36 converts the data converted by the conversion unit 34 into a standardized bus protocol.
- Transmission unit 36 thus serves in particular as a protocol converter of the communication unit 30.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016223154.5A DE102016223154A1 (en) | 2016-11-23 | 2016-11-23 | battery unit |
PCT/EP2017/078519 WO2018095725A1 (en) | 2016-11-23 | 2017-11-08 | Battery unit for a vehicle with a separate communication unit |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3545582A1 true EP3545582A1 (en) | 2019-10-02 |
Family
ID=60293955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17797133.0A Withdrawn EP3545582A1 (en) | 2016-11-23 | 2017-11-08 | Battery unit for a vehicle with a separate communication unit |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210111438A1 (en) |
EP (1) | EP3545582A1 (en) |
CN (1) | CN109964360A (en) |
DE (1) | DE102016223154A1 (en) |
WO (1) | WO2018095725A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018114405A1 (en) | 2018-06-15 | 2019-12-19 | Liebherr-Components Biberach Gmbh | Energy storage device for electrical drive systems |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM358755U (en) * | 2009-02-06 | 2009-06-11 | J D Components Co Ltd | Composite battery connection system for bicycle |
CN201749908U (en) * | 2009-12-23 | 2011-02-16 | 淄博智洋电气有限公司 | Remote maintenance system for storage battery |
WO2012162450A1 (en) * | 2011-05-24 | 2012-11-29 | Spireon, Inc. | Battery monitoring system |
JP2013055800A (en) * | 2011-09-05 | 2013-03-21 | Toyota Industries Corp | Battery monitoring cooperative charging system and electric vehicle |
KR102079038B1 (en) | 2013-09-30 | 2020-02-19 | 현대모비스 주식회사 | Intelligent Battery Sensor Apparatus and Method thereof |
DE102014200111A1 (en) * | 2014-01-08 | 2015-07-09 | Robert Bosch Gmbh | A battery management system for monitoring and controlling the operation of a battery and battery system having such a battery management system |
US9837842B2 (en) | 2014-01-23 | 2017-12-05 | Gogoro Inc. | Systems and methods for utilizing an array of power storage devices, such as batteries |
JP2017515443A (en) * | 2014-03-24 | 2017-06-08 | チョン,ウンイ | Battery pack, cell module and cell module assembly |
DE102015002152B3 (en) * | 2015-02-18 | 2016-05-12 | Audi Ag | Battery for a motor vehicle, motor vehicle and method for operating a battery |
CN205564907U (en) * | 2016-03-30 | 2016-09-07 | 比亚迪股份有限公司 | Battery module, battery package and vehicle |
-
2016
- 2016-11-23 DE DE102016223154.5A patent/DE102016223154A1/en active Pending
-
2017
- 2017-11-08 CN CN201780072233.4A patent/CN109964360A/en active Pending
- 2017-11-08 EP EP17797133.0A patent/EP3545582A1/en not_active Withdrawn
- 2017-11-08 US US16/463,414 patent/US20210111438A1/en not_active Abandoned
- 2017-11-08 WO PCT/EP2017/078519 patent/WO2018095725A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102016223154A1 (en) | 2018-05-24 |
US20210111438A1 (en) | 2021-04-15 |
WO2018095725A1 (en) | 2018-05-31 |
CN109964360A (en) | 2019-07-02 |
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Legal Events
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ROBERT BOSCH GMBH |
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