WO2011098206A2 - Schaltungsanordnung - Google Patents
Schaltungsanordnung Download PDFInfo
- Publication number
- WO2011098206A2 WO2011098206A2 PCT/EP2011/000203 EP2011000203W WO2011098206A2 WO 2011098206 A2 WO2011098206 A2 WO 2011098206A2 EP 2011000203 W EP2011000203 W EP 2011000203W WO 2011098206 A2 WO2011098206 A2 WO 2011098206A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- storage element
- inductive storage
- battery units
- circuit arrangement
- inductive
- Prior art date
Links
- 230000001939 inductive effect Effects 0.000 claims abstract description 88
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
-
- 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
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
Definitions
- the invention relates to a circuit arrangement, in particular a
- Battery units of a battery assembly as well as a
- A1 shows a circuit arrangement for exchanging electrical charge between accumulators of an accumulator arrangement which has a number of accumulators connected in series.
- a charging current can be supplied to the accumulator arrangement.
- a discharge current can be taken from the accumulator arrangement. In this case, different charge states of individual accumulators within the
- Accumulator assigned to an inductive storage element wherein between the accumulator and the inductive storage element, a switching element is provided.
- a second inductive storage element is inductively coupled to the first inductive storage elements.
- the switching elements arranged between the first inductive storage elements and the associated accumulators are closed so that energy is taken from the accumulators which is transmitted to the second inductive storage element via the first inductive storage element.
- the present invention has for its object to provide an improved circuit arrangement for balancing battery units, in particular series-connected battery units.
- Circuit arrangement according to claim 1. Preferred embodiments emerge from the subclaims. According to the invention, a circuit arrangement is provided which has a
- first and second battery units Series connection of first and second battery units, wherein first and second battery units are arranged alternately.
- the first and second battery units can each be identical.
- the difference between the first and second battery units is, as will be shown, mainly in the respective different interconnection.
- Battery unit may comprise one or more electrochemical cells.
- a first inductive storage element is provided.
- Primary phase are first inputs of the first battery units with a first terminal of the first inductive storage element via a first
- Second inputs of the second battery units can be connected to a second terminal of the first inductive storage element via the first switch arrangement.
- a second inductive storage element is provided, which is inductively coupled to the first inductive storage element. Under an inductive coupling is to be understood that a magnetic field and a magnetic flux of the one inductive Memory element can be transferred to the other inductive storage element. This can preferably be done by means of a transformer core.
- the first and the second inductive storage element can be
- a first connection of the second inductive storage element with a first or a second input and a second connection of the second inductive storage element with a second or a first input can be connected by means of a second switch arrangement.
- Battery units can represent an input of a battery unit at the same time an output of the series-connected battery unit.
- an input of a second battery unit can represent an output of a first battery unit and vice versa.
- a battery unit preferably comprises an electrode stack which, as an assembly of a galvanic cell, also serves to store chemical energy and to deliver electrical energy.
- the electrode stack has a plurality of plate-shaped elements, at least two electrodes, namely an anode and a cathode, and a separator which at least partially receives the electrolyte.
- at least one anode, a separator and a cathode are stacked or stacked, wherein the separator is at least partially disposed between the anode and the cathode.
- This sequence of anode, separator and cathode can be repeated as often as desired within the electrode stack.
- the electrode stack has a plurality of plate-shaped elements, at least two electrodes, namely an anode and a cathode, and a separator which at least partially receives the electrolyte.
- at least one anode, a separator and a cathode are stacked or stacked, wherein the separator is at least partially
- electrode stack Before the electrical energy is released, stored chemical energy is converted into electrical energy During charging, the electrical energy supplied to the electrode stack is converted into chemical energy and
- the electrode stack has several Electrode pairs and separators on. Especially preferred are some
- Electrodes are interconnected in particular electrically.
- the circuit arrangement it is possible to specifically remove energy from a battery unit and store it in particular in the first inductive storage element, specifically in magnetic form. This magnetic energy can then be transmitted through the inductive coupling to the second inductive storage element.
- the magnetic energy of the second inductive storage element can be transferred to first or second battery units.
- Memory elements which are each associated with only one battery unit, can be omitted, so that there may be a simplified structure.
- the switch devices can be designed by MOSFETs. By targeted, micro-controller controlled actuation of these switch devices can be made any flow of energy from any battery unit to any other battery unit.
- inputs of a battery unit are each directly connected to an output of a respective upstream battery unit, in particular, second inputs of second battery units are each directly with first outputs connected by first battery units.
- the circuit arrangement can be simplified. Switches of the switch arrangement, which serve to control the first battery units, can then also serve for interconnecting second battery units. Altogether thereby the number of the switches can be reduced and / or the structure of the
- Circuit arrangement can be simplified.
- first inputs with first intermediate switches and second inputs with second intermediate switches can be connected to the first inductive
- Intermediate switch are preferably identical and only to differentiate by their location within the circuit arrangement to the first and the second battery units.
- connection of the first inductive storage element connectable.
- the first and second intermediate switches are part of the first switch arrangement.
- the second switch arrangement serves to determine whether the energy, which may be stored in magnetic form in the first or second inductive storage element, is at first or at second
- the second switch arrangement preferably has a third intermediate switch and a fourth intermediate switch, which may in particular also be formed by a one-piece switch. Depending on the position of these switches, a terminal of the memory element is connected to the inputs or the outputs of first or second battery units.
- the second switch arrangement can also by fifth and sixth
- Intermediate switches are added, which connect or disconnect the respective other terminal of the second inductive storage element with a corresponding input or output or a plurality of the battery units can.
- the third and the fifth or the fourth and the sixth intermediate switch can each preferably be switched synchronously with each other.
- the second switch arrangement preferably also serves in principle for the complete separation of the second inductive storage unit with all the inputs or outputs of the battery units.
- the first inductive storage element is preceded by a charging switch in series.
- This can in particular be connected directly in series with the first inductive storage element.
- This charging switch can lead to a fundamental disconnection of the first inductive
- Memory element can be used by a circuit in which the first inductive storage element can be arranged.
- Battery units are preferably prevented, which is particularly important in the secondary phase.
- the first inductive storage element and the second inductive storage element are preferably in the form of electromagnetic coils.
- the electromagnetic coils have a number of turns.
- Memory element to turns of the second inductive storage element is preferably greater than or equal to 1, in particular slightly greater than 1, namely in particular between 1, 05 and 1, 5, in particular between 1, 05 and 1, 1.
- Target battery unit can be triggered, which can also have a lower voltage.
- Ohmic voltage drops at contact and transitional resistances can be overcome.
- inputs in particular all first and second
- Inputs connected to at least one voltage measuring device.
- the applied voltages to the individual battery units are determined or at least conclusions about the voltage to the individual battery units are drawn.
- the determined voltages can make conclusions about the charges stored in the battery units, as described in DE 10 2008 021 090 A1.
- the first and / or second inductive storage device is connected to a voltage measuring device.
- Voltage measuring device may preferably be connected directly to the two terminals of the first inductive storage device.
- the measurable voltage can draw conclusions about the inductive
- the invention further relates to a battery management system comprising a circuit arrangement of the aforementioned type.
- Fig. 1 shows schematically the state of charge of the battery units before initiating a balancing process
- FIG. 2 shows the circuit diagram of a circuit arrangement according to the invention in a primary phase
- FIG. 3 shows the circuit diagram of a circuit arrangement according to the invention in a secondary phase
- 4 shows the circuit diagram of a circuit arrangement according to the invention in an alternative secondary phase
- Figure 1 shows schematically the state of charge of five battery units 11, 12, which are arranged in a battery arrangement with a plurality of battery units.
- the horizontal line marks the average
- the left battery unit 11 has a higher state of charge than all others.
- the mean battery unit 11 has a lower state of charge than all the other battery units, and in order to equalize the state of charge of all the battery units, it is necessary that the amount of charge on the left battery unit 11 is above the average to be transferred to the middle battery unit 11" becomes. This is realized by a circuit arrangement, which is explained in more detail with reference to the following figures.
- FIG. 2 shows a circuit arrangement 10 according to the invention in one
- Circuit arrangement 10 comprises a plurality of battery units 11, 12 which are connected in series.
- An application circuit 25 is connected to the series connection of the battery units.
- This application circuit 25 may comprise electrical consumers, in particular all possible in a vehicle electrical consumers such as an electric motor for driving or the like. Further, a charging of the battery unit via the
- the first battery units 1 1 and second battery units 12 are structurally identical. Each battery unit 11, 12 is associated with an input 17, 18, wherein the first battery units 1 1 each have a first input 17 and the second battery units 12 each have a second input 18 is assigned. It can be seen that, as a rule, the inputs 18 of the second battery units 12 to the outputs of the first battery units 1 1 and the inputs 17 of the first battery units 11 correspond to the outputs of the second battery units 12, except for peripheral outer battery units.
- the inputs 17, 18 of the battery units are connected via a first switch arrangements 15 to terminals 19, 20 of a first inductive storage element 13. This is a first
- Connection 19 of the first inductive storage element 13 is connected.
- a second intermediate switch 22 of the first switch arrangement 15 is connected to a second connection 20 of the first inductive storage element 13.
- the circuit arrangement 10 is part of a battery management system 26.
- FIG. 2 shows the circuit arrangement 10 in a primary phase, in which the excess energy from the left-hand battery unit 1 1 'is used to charge the first inductive storage element 13.
- the corresponding first and second intermediate switches 21, 22 on the left battery unit 1 1 ' closed, so that a circuit is formed, which connects the left first battery unit 1 1' with the first inductive storage element 13.
- Memory element 13 is connected upstream, is closed. All other switches of the circuit 10 shown are open.
- FIG. 3 shows the circuit arrangement 10 according to FIG. 2 in a secondary phase following a primary phase shown with respect to FIG.
- the intermediate switches 21, 22, which connect the left first battery unit 11 'to the first inductive storage element 13, are open, so that this battery unit 1 1' is no longer connected in a common circuit to the first inductive storage element 13 , Rather, first and second intermediate switches 21, 22 are opened relative to the central battery unit 11 ', which is to be supplied with excess energy from the left-hand battery unit 11', as already explained with regard to Figure 2.
- the charging switch 27 is open, so that the first inductive Memory element 13 is completely disconnected from.
- Secondary phase is a second inductive storage element 1 is used, which via a second switch assembly 16 and the first
- Switch assembly 15 with one or more battery units 11, 12 can be connected.
- the second switch arrangement 16 has fourth to seventh intermediate switches 23, 24, 29, 30, which can connect the terminals of the second inductive storage element 14 to the respective switches 21, 22, which are assigned to the inputs or outputs of the battery units.
- the first inductive storage element 13 is by means of a
- Transformer core 28 connected to the second inductive storage element 14.
- the first inductive storage element 13, the second inductive storage element 14 and the transformer core 28 together form a transformer.
- the fourth intermediate switch 24 and the sixth intermediate switch 30 are opened so that a circuit is established between the central battery unit 11 "and the second inductive storage element 14. The stored energy of the second inductive
- Memory element 14 can now be transferred to the middle battery unit 1 1 ".
- FIG. 4 shows, in a modification to the secondary phase shown in FIG. 3, an alternative secondary phase in which, instead of the middle first battery unit 11 ", a second battery unit 12 'is additionally supplied with energy through the battery
- Circuit arrangement 10 is supplied. It can be seen that over the
- Memory element 14 are now arranged reversed to the inputs or outputs of the second battery unit to be charged battery unit 12.
- the third and the fifth intermediate switches 23, 29 are now closed. Further are those first and second intermediate switches 21, 22 are closed, which are assigned directly to the left second battery unit 12 'to be charged. Otherwise, the circuit arrangement 10 remains unchanged with respect to FIG.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011800091950A CN102754302A (zh) | 2010-02-15 | 2011-01-19 | 电路装置 |
BR112012020410A BR112012020410A2 (pt) | 2010-02-15 | 2011-01-19 | arranjo de circuito e sistema de gestão de bateria |
JP2012552287A JP2013520146A (ja) | 2010-02-15 | 2011-01-19 | 回路構造体 |
KR1020127022721A KR20130009962A (ko) | 2010-02-15 | 2011-01-19 | 회로 조립체 |
US13/578,263 US20130015818A1 (en) | 2010-02-15 | 2011-01-19 | Circuit assembly |
EP11700808A EP2537227A2 (de) | 2010-02-15 | 2011-01-19 | Schaltungsanordnung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010008010.1 | 2010-02-15 | ||
DE102010008010A DE102010008010A1 (de) | 2010-02-15 | 2010-02-15 | Schaltungsanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011098206A2 true WO2011098206A2 (de) | 2011-08-18 |
WO2011098206A3 WO2011098206A3 (de) | 2012-06-14 |
Family
ID=44317184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/000203 WO2011098206A2 (de) | 2010-02-15 | 2011-01-19 | Schaltungsanordnung |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130015818A1 (de) |
EP (1) | EP2537227A2 (de) |
JP (1) | JP2013520146A (de) |
KR (1) | KR20130009962A (de) |
CN (1) | CN102754302A (de) |
BR (1) | BR112012020410A2 (de) |
DE (1) | DE102010008010A1 (de) |
WO (1) | WO2011098206A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102738860A (zh) * | 2012-06-04 | 2012-10-17 | 成都芯源***有限公司 | 电池均衡装置和堆叠均衡装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013212965A1 (de) * | 2013-07-03 | 2015-01-08 | Volkswagen Aktiengesellschaft | Batterieladungsausgleichsvorrichtung, Batteriemanagementsystem und Verfahren zum Ladungsausgleich |
DE102014207826A1 (de) | 2014-04-25 | 2015-10-29 | Robert Bosch Gmbh | Vorrichtung und Verfahren zum Ladungsausgleich von elektrischen Energiespeicherzellen |
EP3404741B1 (de) * | 2017-05-15 | 2019-12-04 | Robert Bosch GmbH | Batteriesystem |
CN108321871A (zh) * | 2018-01-31 | 2018-07-24 | 山东科技大学 | 一种串联电池组的主动均衡电路及其均衡方法 |
CN111211594B (zh) * | 2020-01-02 | 2024-03-15 | 安徽锐能科技有限公司 | 考虑温度和soh的补电式均衡控制方法、电路及存储介质 |
CN111114382A (zh) * | 2020-01-02 | 2020-05-08 | 安徽锐能科技有限公司 | 基于soh的补电式主动均衡策略、电路及存储介质 |
KR20230039265A (ko) | 2021-09-14 | 2023-03-21 | 주식회사 엘지에너지솔루션 | 셀 밸런싱 회로 및 이를 포함하는 배터리 시스템 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008021090A1 (de) | 2007-05-01 | 2008-11-13 | Infineon Technologies Ag | Schaltungsanordnung und Verfahren zum Austausch elektrischer Ladung zwischen Akkumulatoren einer Akkumulatoranordnung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4422409C2 (de) * | 1994-06-29 | 1996-07-11 | Fraunhofer Ges Forschung | Vorrichtung zum Ladungsaustausch zwischen einer Vielzahl von in Reihe geschalteten Energiespeichern oder -wandlern |
JP3557840B2 (ja) * | 1997-03-31 | 2004-08-25 | 三菱自動車工業株式会社 | 蓄電装置 |
WO1998050993A1 (en) * | 1997-05-06 | 1998-11-12 | Auckland Uniservices Limited | Inductive power transfer across an extended gap |
JP3848635B2 (ja) * | 2003-04-23 | 2006-11-22 | 富士重工業株式会社 | 蓄電素子の電圧均等化装置 |
JP4999353B2 (ja) * | 2006-04-26 | 2012-08-15 | パナソニック株式会社 | 蓄電装置、携帯機器及び電動車両 |
JP4587233B2 (ja) * | 2007-10-23 | 2010-11-24 | 本田技研工業株式会社 | 放電制御装置 |
US8786255B2 (en) * | 2010-05-03 | 2014-07-22 | Infineon Technologies Ag | Active charge balancing circuit |
-
2010
- 2010-02-15 DE DE102010008010A patent/DE102010008010A1/de not_active Withdrawn
-
2011
- 2011-01-19 KR KR1020127022721A patent/KR20130009962A/ko not_active Application Discontinuation
- 2011-01-19 US US13/578,263 patent/US20130015818A1/en not_active Abandoned
- 2011-01-19 EP EP11700808A patent/EP2537227A2/de not_active Withdrawn
- 2011-01-19 WO PCT/EP2011/000203 patent/WO2011098206A2/de active Application Filing
- 2011-01-19 CN CN2011800091950A patent/CN102754302A/zh active Pending
- 2011-01-19 JP JP2012552287A patent/JP2013520146A/ja active Pending
- 2011-01-19 BR BR112012020410A patent/BR112012020410A2/pt not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008021090A1 (de) | 2007-05-01 | 2008-11-13 | Infineon Technologies Ag | Schaltungsanordnung und Verfahren zum Austausch elektrischer Ladung zwischen Akkumulatoren einer Akkumulatoranordnung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102738860A (zh) * | 2012-06-04 | 2012-10-17 | 成都芯源***有限公司 | 电池均衡装置和堆叠均衡装置 |
CN102738860B (zh) * | 2012-06-04 | 2015-07-29 | 成都芯源***有限公司 | 电池均衡装置和堆叠均衡装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2013520146A (ja) | 2013-05-30 |
WO2011098206A3 (de) | 2012-06-14 |
BR112012020410A2 (pt) | 2016-05-10 |
KR20130009962A (ko) | 2013-01-24 |
US20130015818A1 (en) | 2013-01-17 |
DE102010008010A1 (de) | 2011-08-18 |
EP2537227A2 (de) | 2012-12-26 |
CN102754302A (zh) | 2012-10-24 |
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