WO2017063897A1 - Kommunikationssystem für ein batteriemanagementsystem für eine batterie und verfahren zum betreiben wenigstens eines vorbestimmten koppelnetzwerks eines solchen kommunikationssystems - Google Patents
Kommunikationssystem für ein batteriemanagementsystem für eine batterie und verfahren zum betreiben wenigstens eines vorbestimmten koppelnetzwerks eines solchen kommunikationssystems Download PDFInfo
- Publication number
- WO2017063897A1 WO2017063897A1 PCT/EP2016/073381 EP2016073381W WO2017063897A1 WO 2017063897 A1 WO2017063897 A1 WO 2017063897A1 EP 2016073381 W EP2016073381 W EP 2016073381W WO 2017063897 A1 WO2017063897 A1 WO 2017063897A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- communication
- predetermined
- input
- network
- switching network
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- 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
-
- 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 present invention relates to a communication system for a
- Battery management system for a battery, wherein the communication system has multiple communication participants and a plurality of each one
- Communication partners associated switching networks includes. Furthermore, the invention relates to a method for operating at least one
- a transmission channel for the communication system consists of two
- Coupling network is connected via a respective one of two input-side terminals to a respective other supply line of the supply lines. Furthermore, each switching network has two output sides
- the coupling networks are for a coupling or decoupling of
- Coupling network that is, to be ensured between a transmitter and receiver unit of each communication subscriber and the transmission channel.
- Such galvanic isolation can be achieved inductively via transformers or capacitively via capacitors. In practice, such a galvanic separation is usually done by a combination of transformers and capacitors.
- each switching network is used to one in the data transmission
- the communication system comprises a plurality of communication subscribers and a plurality of in each case one communication subscriber associated switching networks.
- Each coupling network has two input-side connections with one
- the transmission channel is for transmitting communication signals having a transmission frequency received from the
- At least one predetermined Koppe In network of the switching networks each have a first and a second operating state, in which one at the transmission frequency between the two input-side terminals of the respective predetermined
- each is a predetermined one
- Switching network in one of its two operating states one or more times.
- the invention further provides a method for operating at least one predetermined switching network of a plurality of switching networks of a communication system for a battery management system for a battery.
- the communication system comprises a plurality of communication nodes each assigned to a switching network of the switching networks.
- each switching network can be connected or connected via two input-side terminals to a transmission channel and via two output-side connections to the associated communication station.
- Transmission channel is for transmitting communication frequency having a transmission frequency, which of the
- This has at least one predetermined coupling network each have a first and a second
- the method includes a step of putting each predetermined switching network into each one or more times
- the communication process may be in a state of
- Communication system take place in which the communication participants are connected to the transmission channel.
- the battery comprises an electrical series connection of a plurality of battery cell units, each having at least one battery cell. This forms the
- each coupling network is assigned in each case to a battery cell unit of the battery cell units and, via its two input-side terminals, parallel to the assigned one
- Battery cell unit switched or switchable.
- Series connection preferably busbars, via which the battery cell units are connected to each other and via which the battery is also connectable to a consumer.
- the busbars can be electrically conductive busbars.
- the battery cell units of the series circuit forming the transmission channel have impedances at the transmission frequency which provide additional attenuation for signal energy from the transmission channel represent transmitted communication signals.
- Modulation and coding of the communication signals are used and thus a reduction of manufacturing costs of a communication system described above can be achieved.
- Battery cell units each as a single battery cell or as each
- Battery cell module formed with a plurality of battery cells. If the
- Battery cell units are designed as battery cells, takes place during the communication process, a battery cell-based communication. If the battery cell units are designed as battery cell modules, a battery cell module-based communication takes place during the communication process.
- a previously described communication system comprises a control unit.
- the control unit is designed during the
- Communication process to put each communication participant one or more times in each communication state of two communication states.
- the two communication states occurring during the communication process of each communication subscriber comprise an active communication state in which the respective communication state
- Communication participant sends and / or receives at least one of the communication signals. Furthermore, the two include during the
- Communication occurring communication states each communication subscriber a passive communication state in which the respective communication participant sends and / or receives none of the communication signals.
- time-based communication is preferably used to avoid collisions during the communication process.
- the communication system preferably has a
- Communication participants are assigned by means of a bus access method at least one time slot, during which the respective
- Transmission frequency sends and / or receives.
- This bus access method is also known by the term “Time Triggered Communication” or “Time Division Multiple Access” (TDMA).
- TDMA Time Division Multiple Access
- each communication participant When using a previously mentioned time-based communication during the communication process, each communication participant is in each case in its active communication state during the at least one assigned time slot and otherwise in its passive one
- the switching network In its first operating state, the switching network has a first impedance amount of its input impedance. Also, each predetermined switching network has a second impedance amount of its in its second operating state
- each communication subscriber assigned to a predetermined switching network is designed to be during the
- each communication subscriber associated with a predetermined switching network is adapted to be during the
- each predetermined switching network preferably coincides with an input and / or output state of the respective predetermined coupling network.
- Each in its input and / or decoupling state predetermined coupling network can communication signals with the
- the second operating state of each predetermined switching network preferably coincides with a forwarding state of the respective predetermined switching network.
- Coupling network can communicate signals with the transmission frequency with low attenuation and distortion through its two input side
- Input impedance of each coupling network for example, by means of an attempt, a simulation, a calculation or an automatic learning process are determined.
- Such an automatic learning process can be controlled, for example, by a communication master of the respective communication system.
- Such an automatic learning process may also be performed, for example, once or at each start of the respective one
- Battery management system for a battery to be installed in a drive system of a vehicle to use battery can be an optimal
- Impedance amounts of the input impedance of each coupling network to be set to achieve the optimum transmission characteristic are coincident with the above optimum values.
- Coupling network each have a switchable connection between its two input-side terminals.
- each switchable connection is non-conductive in the first operating state of the respective first predetermined coupling network. Further, each switchable connection generates in the second one
- Terminals of the respective first predetermined coupling network Under a short circuit for the communication signals between the two input-side terminals of each first predetermined coupling network is one between the two input-side terminals of each first predetermined
- connection which has a predefined, particularly low impedance.
- This predefined impedance has an amount that is low-impedance, in particular at the transmission frequency or only at the transmission frequency and, for example, has a value of 0 ⁇ .
- Such a connection may comprise, for example, a capacitor and a coil. In this way, each can be connected via the switchable connection
- Terminals of the respective switching network are provided, which generates a low attenuation of the signal energy of the communication signals.
- all coupling networks are contained in the at least one first coupling network.
- the two input side terminals of each coupling network are galvanically separated from the two output side terminals of the respective coupling network.
- a fifth preferred embodiment of the invention which can be combined with one or more of the previously described preferred developments and / or their embodiments, comprises at least a second predetermined coupling network of at least one predetermined
- Pairing network one transformer each.
- the transformer of every second predetermined coupling network is designed to generate a first voltage generated from a voltage present between the two input-side terminals of the respective second predetermined coupling network
- every second predetermined switching network in its second operating state has a short circuit generated by the associated communication user for the
- a short circuit for the communication signals between the two output terminals of each second predetermined switching network is understood to mean a connection occurring between the two output terminals of every other predetermined switching network and having a predefined, particularly low impedance.
- This predefined impedance has an amount which, in particular in the case of
- a connection may comprise, for example, a capacitor and a coil.
- An advantage of a communication system is that each network between the two output-side terminals of a second predetermined coupling existing short circuit for the communication signals through the transformer of the respective second predetermined coupling network is also generated between the two input-side terminals of the same coupling network. Furthermore, each short circuit for the communication signals generated between the two input side terminals of a second predetermined switching network also becomes between terminals of the one to the second predetermined one
- the transformer of every second predetermined switching network does not have to be changed to a between the two output-side terminals of the respective second predetermined switching network existing short circuit for the communication signals between the two input side
- transformer of every other predetermined coupling network is already provided for providing galvanic isolation between that of the respective second predetermined coupling network
- Another advantage is that an already existing
- all the switching networks are included in the at least one second predetermined switching network.
- the method according to the invention preferably comprises all the functional features of a previously described communication system individually or in one
- a method described above preferably comprises a step of
- the at least one exemplarily selected predetermined coupling network will be selected as the first
- the first selected coupling network has an input impedance between its single input side terminal to be used and the first ground.
- This input impedance has the same characteristics at the transmission frequency as the input impedance, between the two input-side terminals of each at least one predetermined coupling network of a previously described
- the first selected switching network may also have a first and a second operating state.
- the first selected coupling network from its first to its second operating state by generating a Short circuit for communication signals are offset with the transmission frequency between its individual input-side terminal to be used and the first ground.
- the first selected switching network can furthermore be controlled in the same way by the assigned communication subscriber, in which each predetermined switching network of a communication system described above can be controlled.
- the first selected coupling network can continue to operate in the same way in which each predetermined switching network of a communication system described above can be operated.
- the at least one second exemplarily selected predetermined coupling network is referred to as the second selected coupling network.
- the second selected switching network comprises more than two input-side terminals connectable to the transmission channel and / or more than two output-side terminals connected to the associated one
- the second selected switching network may further communicate communication signals having the transmission frequency transmitted from and to be received by the associated communication subscriber via different pairs of its output side
- the switching network has a plurality of input impedances, each occurring between the two input-side terminals of one of its pairs of two input-side terminals to be used. These input impedances each have the same characteristics as the transmission frequency Input impedance, the between the two input-side terminals of each at least one predetermined switching network one above
- the second selected switching network may have a first operating state and a second operating state associated with this first operating state for each of its pairs of two input-side terminals to be used.
- the second selected switching network may have more than two operating states.
- the first selected switching network from each of its first operating states in the associated of its second operating states by generating a
- Short circuit for communication signals are offset with the transmission frequency between its respective two input-side terminals.
- the second selected switching network may also be driven in the same way by the associated communication subscriber with respect to each of its pairs of two input-side terminals to be used, in which each predetermined switching network is one of those described above
- the second selected switching network may further be operated in the same manner with respect to each of its pairs of two input-side terminals to be used, in which each predetermined switching network of a communication system described above may be operated.
- Communication signals have at least one further transmission frequency.
- such a communication system has the same properties with respect to each further transmission frequency as with respect to the aforementioned transmission frequency.
- Figure 1 shows an arrangement with a battery and a trained according to a first embodiment of the invention
- FIG. 2 shows an exemplarily selected coupling network of the
- FIG. 3 shows the exemplarily selected coupling network of the
- Figure 1 shows an arrangement with a battery 10 and a trained according to a first embodiment of the invention communication system for a battery management system for the battery 10.
- the battery 10 includes a series circuit with a plurality of battery cell units 1 1, each as a single battery cell or each as a battery cell module are formed with at least one battery cell.
- the series connection comprises several
- the communication system includes several
- Each switching network 35 is in each case assigned to a battery cell unit 1 1 and is connected via two input-side connections parallel to the associated one
- Each switching network 35 is also over two output side terminals connected to the associated communication subscriber 30.
- the series connection of the battery cell units 1 1 forms a transmission channel 40 for the communication system, during a communication process
- each switching network 35 is designed to couple communication signals with the transmission frequency into the transmission channel 40 during the communication process and / or out of the transmission channel
- Each coupling network 35 includes a transformer (not shown separately) configured to receive one of the two input terminals of the respective switching network 35
- each coupling network 35 may comprise a capacitor.
- Communication participant 30 is via the transformer and / or the
- Capacitor of the associated coupling network 35 galvanically separated from the associated to the associated switching network 35 battery cell unit 1 1 and consequently also from the transmission channel 40.
- the communication system has a system time that allows realization of time-based communication to avoid collisions during the communication process. To realize the time-based
- Each switching network 35 has two operating states in which an input impedance occurring at the transmission frequency between the two input-side terminals of the respective switching network 35 has two different impedance amounts.
- each switching network 35 comprises a transformer, a short circuit for the communication signals between the two output side terminals of the respective switching network 35 is generated for the purpose of offsetting each switching network 35 from a first operating state to a second operating state by the associated communication user 30.
- the existing between the two output-side terminals of each switching network 35 existing
- Short circuit for the communication signals is generated by the transformer of the respective switching network 35 between the two input-side terminals of the same coupling network 35.
- each coupling network 35 has a first one in its first operating state
- each switching network 35 may comprise a switchable connection between the two input-side terminals of the respective switching network 35, which has a non-conductive state and a conductive state. The switchable connection of each
- switching network 35 In its conducting state, switching network 35 generates a short circuit for the communication signals between the two input terminals of the respective switching network 35.
- the switchable connection of each switching network 35 for switching the respective switching network 35 from its first operating state to its second operating state by means of the respective switching network 35 associated communication subscriber 30 is switched from its non-conductive to its conductive state.
- Coupling network is one occurring between the two input side or the two output side terminals of each switching network
- This predefined impedance has an amount, in particular at the transmission frequency or only at the transmission frequency is low impedance and, for example, has a value of 0 ⁇ .
- Connection may include, for example, a capacitor and a coil.
- each communication subscriber 30 is designed to place the assigned switching network 35 in its first operating state during the communication process in the presence of its active communication state. Also, each communication participant 30 is trained to be in the communication process in the presence of its passive communication state.
- FIG. 1 shows an example selected and offset in its first operating state coupling network 35 of the switching networks 35 of
- Coupling network 35 is called.
- Figure 2 also shows the first
- the first communication participant 30 and the network to the first coupling 35 in parallel battery cell unit 1 1, which is referred to below as the first battery cell unit 1 1.
- FIG. 2 also shows a first signal energy flow 50, which is derived from the
- the first signal energy flow 50 is divided into a first smaller signal energy flow part 51 and into a second larger signal energy flow part 52 when the first battery cell unit 1 1 is crossed.
- the first signal energy flow part 51 of the first signal energy flow 50 is forwarded via the first battery cell unit 11.
- Signal energy flow portion 52 of the first signal energy flow 50 is transferred from the first switching network 35 from the transmission channel 40 to the first
- FIG. 3 shows the first offset to its second operating state
- FIG. 3 also shows a second signal energy flow 60, the communication signals transmitted from the transmission channel 40 during the communication process occurring in the presence of the first switching network 35 offset to the second operating state.
- the second signal energy flow 60 is at crossing the first battery cell unit 1 1 in a first smaller signal energy flow part 61 and in a second larger
- Signal energy flow part 62 divided.
- the first signal energy flow part 61 of the second signal energy flow 60 is forwarded via the first battery cell unit 11.
- Signal energy flow 60 is also forwarded via the two input-side terminals of the first switching network 35.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680059457.7A CN108141371B (zh) | 2015-10-12 | 2016-09-30 | 用于电池组的电池组管理系统的通信系统和用于运行这种通信系统的至少一个预先确定的耦合网络的方法 |
KR1020187010182A KR20180066898A (ko) | 2015-10-12 | 2016-09-30 | 배터리를 위한 배터리 관리 시스템용 통신 시스템, 그리고 상기 통신 시스템의 적어도 하나의 선결 결합 회로망의 작동 방법 |
US15/765,228 US10277040B2 (en) | 2015-10-12 | 2016-09-30 | Communication system for a battery-management system for a battery, and method for operating at least one predefined coupling network of such a communications system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015219666.6 | 2015-10-12 | ||
DE102015219666.6A DE102015219666B4 (de) | 2015-10-12 | 2015-10-12 | Kommunikationssystem für ein Batteriemanagementsystem für eine Batterie und Verfahren zum Betreiben wenigstens eines vorbestimmten Koppelnetzwerks eines solchen Kommunikationssystems |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017063897A1 true WO2017063897A1 (de) | 2017-04-20 |
Family
ID=57113298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/073381 WO2017063897A1 (de) | 2015-10-12 | 2016-09-30 | Kommunikationssystem für ein batteriemanagementsystem für eine batterie und verfahren zum betreiben wenigstens eines vorbestimmten koppelnetzwerks eines solchen kommunikationssystems |
Country Status (5)
Country | Link |
---|---|
US (1) | US10277040B2 (de) |
KR (1) | KR20180066898A (de) |
CN (1) | CN108141371B (de) |
DE (1) | DE102015219666B4 (de) |
WO (1) | WO2017063897A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017207943A1 (de) | 2017-05-11 | 2018-11-15 | Robert Bosch Gmbh | Signalbearbeitungsvorrichtung für ein insbesondere in ein Batteriesystem einsetzbares Kommunikationssystem |
EP3681009A1 (de) * | 2019-01-08 | 2020-07-15 | Energysquare | Kopplungsmanager zur verwaltung einer multimodalen elektrischen kopplung und verfahren zum betrieb |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1772989A2 (de) * | 2005-10-05 | 2007-04-11 | Mitel Networks Corporation | Midspan Stromversorgungssystem mit verminderter Strahlung |
WO2012117371A1 (en) * | 2011-03-01 | 2012-09-07 | A Tlc S.R.L. | Method and device for coupling a dc supply line to a telephone line or coaxial cable |
US20120317426A1 (en) * | 2011-06-09 | 2012-12-13 | Andrew Llc | Distributed antenna system using power-over-ethernet |
DE102011118317A1 (de) * | 2011-11-11 | 2013-05-16 | IEB Ingenieur Elektronik Benad GmbH | Ankopplung von BUS-Teilnehmern an gleichstrombetriebene Energie- und Datenbussysteme |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10240140A1 (de) * | 2002-08-30 | 2004-03-25 | Siemens Ag | Kommunikationsanordnung und Übertragungseinheit zur Informationsübermittlung über zumindest eine Übertragungsleitung sowie eine an die Übertragungseinheit anschließbare Schaltungsanordnung |
JP5668424B2 (ja) * | 2010-11-16 | 2015-02-12 | ソニー株式会社 | バッテリ装置、バッテリ管理システム、およびバッテリ管理方法 |
DE102012208444A1 (de) * | 2012-05-21 | 2013-11-21 | Robert Bosch Gmbh | Sensorvorrichtung für eine Zelle, Batterieelement und Sensorsystem für einen mehrzelligen elektrischen Energiespeicher sowie Verfahren zur Kommunikation für eine Sensorvorrichtung |
DE102013219360A1 (de) * | 2013-09-26 | 2015-03-26 | Siemens Aktiengesellschaft | Energiespeichereinrichtung |
DE102014215830A1 (de) * | 2014-08-11 | 2016-02-11 | Robert Bosch Gmbh | Batteriesystem und Verfahren zur Kommunikation in einem Batteriesystem |
-
2015
- 2015-10-12 DE DE102015219666.6A patent/DE102015219666B4/de active Active
-
2016
- 2016-09-30 KR KR1020187010182A patent/KR20180066898A/ko not_active Application Discontinuation
- 2016-09-30 CN CN201680059457.7A patent/CN108141371B/zh active Active
- 2016-09-30 WO PCT/EP2016/073381 patent/WO2017063897A1/de active Application Filing
- 2016-09-30 US US15/765,228 patent/US10277040B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1772989A2 (de) * | 2005-10-05 | 2007-04-11 | Mitel Networks Corporation | Midspan Stromversorgungssystem mit verminderter Strahlung |
WO2012117371A1 (en) * | 2011-03-01 | 2012-09-07 | A Tlc S.R.L. | Method and device for coupling a dc supply line to a telephone line or coaxial cable |
US20120317426A1 (en) * | 2011-06-09 | 2012-12-13 | Andrew Llc | Distributed antenna system using power-over-ethernet |
DE102011118317A1 (de) * | 2011-11-11 | 2013-05-16 | IEB Ingenieur Elektronik Benad GmbH | Ankopplung von BUS-Teilnehmern an gleichstrombetriebene Energie- und Datenbussysteme |
Also Published As
Publication number | Publication date |
---|---|
CN108141371B (zh) | 2021-04-20 |
KR20180066898A (ko) | 2018-06-19 |
DE102015219666A1 (de) | 2017-04-13 |
US20180278062A1 (en) | 2018-09-27 |
US10277040B2 (en) | 2019-04-30 |
CN108141371A (zh) | 2018-06-08 |
DE102015219666B4 (de) | 2023-02-16 |
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