CN109638365A - Battery pack system and the method for running battery pack system - Google Patents
Battery pack system and the method for running battery pack system Download PDFInfo
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- CN109638365A CN109638365A CN201811167058.XA CN201811167058A CN109638365A CN 109638365 A CN109638365 A CN 109638365A CN 201811167058 A CN201811167058 A CN 201811167058A CN 109638365 A CN109638365 A CN 109638365A
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- battery pack
- battery
- subelement
- communication
- assembly module
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- 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
- H01M10/48—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
-
- 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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to battery pack system and the methods for running battery pack system.The present invention relates to a kind of battery pack system (1), which has the batteries management system (2) and at least two battery assembly modules (10) for running the battery pack system (1) controllably.The invention further relates to a kind of methods for running battery pack system (1).
Description
Technical field
The present invention relates to a kind of battery pack systems as described in the preamble according to device independent claims.The present invention is also
It is related to a kind of method of the operation battery pack system as described in the preamble of claim to a method that basis is arranged side by side.
Background technique
In principle, from known in the art, battery pack system is constructed by the battery assembly module of multiple wiring.Another party
Face, these battery assembly modules also can have multiple battery pack subelement, such as battery cells.It is also well known that each
Battery assembly module is separately equipped with monitoring device, for example, see 2012/0242144 A1 of US.This monitoring device can be with
Various and comprehensively inspection and monitoring of the execution to the battery pack subelement of battery assembly module, thus for example, see DE
10 2013 206 612 A1。
Summary of the invention
Subject of the present invention is that a kind of battery pack system of the feature with device independent claims and one kind have
The method for running battery pack system of the feature of method independent claims.Other feature and details of the invention is from corresponding
Dependent claims, obtain in the description and the appended drawings.Here, described in association with battery pack system according to the invention
Feature and details are also applicable in the method according to the invention in association certainly, and vice versa respectively, so that about to each
The disclosure of a inventive aspect can be referred to mutually always.
According in a first aspect, the battery pack system is included for making battery system the present invention relates to a kind of battery pack system
The batteries management system and at least two battery assembly modules that system is controllably run, wherein at least two battery assembly module point
Not Ju You at least two battery pack subelements, at least two battery packs subelement be respectively provided at least one battery pack electricity
Pond, wherein the batteries management system also has battery pack control device and main bus system, which passes through
The main bus system and battery assembly module are connected in a manner of data communication.The characteristics of battery pack system according to the invention, exists
In: the batteries management system have in each battery assembly module communication device, secondary main system and for each battery
There is monitoring device, which has principal communication interface and secondary communication interface, wherein in each battery for group subelement
In group unit, which is all connected in a manner of data communication secondary main system and the secondary communication interface of the communication device
It connects, and main bus system is connect in a manner of data communication with the main bus communication interface of the communication device.
Battery pack system according to the invention has multiple battery assembly modules, and the multiple battery assembly module can be electric each other
It connects and/or electrically in parallel.Each battery assembly module is respectively provided at least two battery pack subelements, the battery pack subelement again
Itself is made of at least one battery cell respectively again.On the other hand, in the case where battery pack subelement, it is also contemplated that
It is the electrically coupled in series or electrically in parallel of battery pack subelement, it is also contemplated that the electricity string of battery cell within battery pack subelement
Join and/or electrically in parallel.Battery cell itself preferably may be constructed such that lithium ion battery.Therefore, electricity according to the invention
Pond group system can have it is multiple, especially can with arbitrarily require the number battery cell being adapted to, the battery cell
Can be electrically coupled in series and/or electrically in parallel each other by many levels, so as to about voltage to be provided and/or electric current to be provided
Aspect meets the requirement to battery pack system according to the invention.For the upper of each battery cell to battery pack subelement
For grade is monitored and/or controlled and/or regulated, battery pack system according to the invention has following batteries management system, should
Batteries management system especially has battery pack control device and main bus system, as primary clustering.By main bus system,
Each battery assembly module is connect in a manner of data communication with battery pack control device, thus can especially be controlled and be filled in battery pack
It sets and two-way data communication is provided between each battery assembly module.In this way it is possible to will be determined in battery assembly module
Status data send battery pack control device to, and battery pack control device can be controlled and/or regulated into finger simultaneously
Order is pass on to each battery assembly module.
The characteristics of battery pack system according to the invention inter alia, in that the batteries management system also in each battery pack list
There is communication device in member.The communication device has principal communication interface again, for carrying out with main bus system with data communication
The connection of mode.The communication device also has secondary communication interface, is equally the batteries management system by the pair communication interface
The secondary main system of part can be connected in a manner of data communication on the communication device.The secondary main system be used for again with
Monitoring device carries out the connection in a manner of data communication, and the monitoring device is present in as the part of batteries management system
In each battery pack subelement.Monitoring device in each battery pack subelement can for example provide single to corresponding battery pack
The monitoring of the status data (such as voltage, electric current or the like) of member.To the analysis for the first time of identified status data and/
Or it is also included within the controlling and/or regulating for level of corresponding battery pack subelement and can also be carried out in this monitoring device.
Reflect inventive nature: as it is described above, cascade bus architecture is used in battery pack according to the invention
Data communication within system.In this way, the not direct electricity with batteries management system of each monitoring device of battery pack subelement
The connection of pond group control device.The data collected by the monitoring device of battery pack subelement are first via secondary main system and secondary communication
Interface is transmitted to the communication device of corresponding battery assembly module.Therefrom, communication device acts on master via principal communication interface
Bus system and battery pack control device is forwarded the data to via main bus system.Therefore, especially according to the present invention
The battery pack system with multiple battery assembly modules in the case where, relative to only with a bus system battery pack system
Obtain advantage.It can also be provided by the cascade bus architecture: by unique battery pack control as central control entity
Device processed can provide the repertoire of monitoring, adjusting and/or the control to battery pack system.Battery assembly module it
Interior, secondary main system smaller and especially can be constructed quickly, and main bus system especially can robustly carry out structure
It makes, because the main bus system need not extend up to each battery pack subelement.Meanwhile it can be changed by using secondary main system
The signal quality being apt within each battery assembly module.In this way, may be provided in for batteries management system originally has
Benefit and at the same time the strong communication of power.In this way it is possible to provide the number bus for several hundred a battery pack subelements
Communication.In this manner, it also provides the high scalability of entire battery pack system, especially with respect to battery assembly module and electricity
Pond group subelement substantially can unrestricted choice and the number that is only limited by bus capacity and for example also spatially separated
It is distributed the high scalability of aspect.
It in battery pack system according to the invention, may further specify that: in main bus system and/or secondary main system extremely
A few secondary main system is configured to serial chain type bus and/or is configured to parallel bus, is preferably constructed to differential
Dual-wire bus.(the serial chain type bus is often referred to as daisy chain bus (Daisy-Chain- to this serial chain type bus
Bus it can be used as the design scheme of a special robust of the bus system of battery pack system according to the invention)) to provide.
On the other hand, parallel bus is a kind of particularly simple ways and means of bus system, because the parallel bus especially provides
High fail-safe property.In differential dual-wire bus, additionally using electric data as the voltage in the two lines of dual-wire bus
Difference is transmitted.In this way it is possible to realize also safer data transmission in corresponding bus system.
Battery pack system according to the invention can also be by constructing as follows: batteries management system has branch management
Unit and main bus system have at least two bus branch, and wherein battery pack control device passes through the branch administrative unit and institute
At least two bus branch are stated to connect in a manner of data communication.Can provide in this way: main bus system is also not only
There is unique bus branch and there are two or more bus branch.Pass through the branch administrative unit, it is ensured that logarithm
According to the distribution of the safety of packet, the data packet is received via corresponding bus branch from each battery assembly module.Pass through the branch
Administrative unit, it is also ensured that: it is exported by battery pack control device and controls and/or regulates instruction peace to each battery assembly module
It is assigned to correct bus branch entirely and is therefore safely transferred to correct battery assembly module.
In battery pack system according to the invention, may further specify that: battery pack subelement is respectively provided at least one use
In the safety device for deactivating corresponding battery pack subelement, preferably respectively have for deactivating corresponding battery pack subelement
The safety device of each battery cell in battery cell, wherein the corresponding monitoring device of battery pack subelement is in order to touch
It sends out safety device and is connected in a manner of data communication with corresponding safety device.In battery pack system according to the invention
In the particularly preferred embodiment, an at least safety device is respectively set in battery pack subelement.Preferably, this peace
Full device is for example configurable for manipulation safety switch, such as electric switch or electrochemical switch.Safety switch can for example construct
For irreversible safety switch, and it therefore can only be switched and once interrupt or establish circuit.The possibility of this safety switch
Embodiment for example including power semiconductor switch, relay, repid discharge element (Fast-Discharge-Element),
Antifuse element (Antifuse-Element) or the like.Especially, safety switch can integrate with battery pack
In the current path of battery or battery pack subelement, for example, with battery cell or with battery pack subelement serial or parallel connection.Peace
Full device can be configured on the one hand deactivate corresponding entire battery pack subelement, can but preferably it be configured to respectively
Deactivate each battery cell of battery pack subelement.Here, safety device preferably can be configured such that the safety device
In emergency, for example corresponding battery pack subelement or battery cell overcharge or mechanical failure under deactivate it is corresponding
Battery pack subelement or battery cell.By it is described deactivate, can in most cases prevent single battery group battery,
Single battery group subelement and especially also include bigger damage on corresponding battery assembly module or entire battery pack system
It is bad.In order to correspondingly quickly and safely trigger corresponding safety device, the safety device and corresponding battery pack are single
The monitoring device connection of member, so that can trigger the safety device by the monitoring device.On the other hand, such as can lead to
Secondary main system is crossed to realize the connection in a manner of data communication.Thus, it is possible to provide the spy to corresponding safety device
Not safer and especially unrelated with higher level's battery pack control device triggering.In other words, each battery pack subelement is all
It oneself can safely construct.
In addition, may also define that the monitoring device of battery pack subelement passes through in battery pack system according to the invention
The corresponding battery cell of the battery pack subelement supplies electric energy and/or supplies electricity by external energy feeding mechanism
Can and/or battery assembly module communication device supplied by the corresponding battery cell of the battery assembly module electric energy and/or
Electric energy is supplied by external energy feeding mechanism.The battery pack list is given by the battery cell of each battery assembly module itself
Monitoring device and/or communication device the supply electric energy of member are a kind of particularly simple ways and means for running these units.Especially
It is, by avoiding exterior source of energy, can provide the spy of corresponding unit, i.e. battery pack subelement or entire battery assembly module
Not compact design scheme.Exterior source of energy is advantageously: even if the battery cell in battery assembly module loses completely
It is also ensured that the corresponding monitoring device of the battery assembly module and/or the operation of communication device in the case where effect.Thus, root
According to the requirement to battery pack system according to the invention, it can be used the ways and means of two kinds of supply electric energy, or can also be with
One of a possibility that only using two kinds of supply electric energy.
Battery pack system according to the invention can also be by constructing as follows: the communication device of battery assembly module and/or
The monitoring device of battery pack subelement is configured to determine and/or analyzes corresponding battery assembly module and/or battery pack is single
The data of at least one state parameter in the following state parameter of member:
Voltage,
Electric current,
Temperature,
Leakage loss,
Mechanism.
Here, the list does not terminate, so that can also determine if technically rationally and possible or analyze it
Its state parameter.Especially, in each battery assembly module, necessary sensing device also may be present, so as to safely simultaneously
And accurately measure corresponding state parameter.Therefore, in this way, can dispersedly provide in corresponding level to battery
The comprehensive monitoring of group unit or battery pack subelement.
Battery pack system according to the invention can also be by constructing as follows: the communication device of battery assembly module and/or
Monitoring device in battery pack subelement is configured to provide at least one function in following function:
To the balance adjustment of battery cell；
Analysis and/or the manipulation to safety device；
It is lower than and/or over-limit condition by status data determined by analyzing to identify；
Communication with battery pack control device is provided.
The list is also not over, so that can also provide other functions if technically rationally and possible.This
Sample by balance adjustment, such as can especially make the temporary fluctuation balance of the effective power of each battery cell, so that pressing
It can be consistently provided as far as possible according to the effective summed horsepower of battery assembly module of the invention or battery pack subelement.Going out
In the case where now damaging or will be damaged, pass through analysis and/or the manipulation to safety device, it is particularly possible to deactivate entire
Battery assembly module or battery pack subelement can also deactivate each battery cell, so as to prevent other battery cells or
The damage of entire battery assembly module or battery pack subelement.On the other hand, analyzed by identified status data lower than and/
Or over-limit condition can be realized the integrality of identification battery assembly module or battery pack subelement, the especially integrality is
It is no be adjusted within the previously given limit.By especially being provided via bus system and battery pack control device
Communication, can forward the measure all carried out and function or identified status data.Therefore, in battery pack control device,
Whole status datas can be collected and be analyzed, but also can collect and analyze single by battery assembly module or battery pack
The function that monitoring device in member carries out.
In battery pack system according to the invention, may further specify that: batteries management system has at least one other
Communication device, which has additional control communication interface, wherein battery pack control device
Connected in a manner of data communication the control communication interface communication device at least one other with this, and this at least one
A others communication device is connected in a manner of data communication principal communication interface and main bus system.It in this way can be with
It provides: can have used in the battery assembly module principal communication interface and the communication device of pair communication interface to be further equipped with control
Communication interface processed.Therefore, which can not only be used to provide for main bus system and pair in each battery assembly module
Communication between bus system and battery pack control device and main bus system can be used in battery pack control device
Between communication.In the first scenario, using the principal communication interface of the communication device and secondary communication interface, in second situation
Under, use the control communication interface and principal communication interface of the communication device.It in this way can be to avoid: in order to provide battery pack
The connection with data communication mode between control device and main bus system, it is necessary to design and purchase another independent device.
Therefore, on the whole, by the way that a communication device is used for two kinds of applications, it can save and manufacture battery system according to the invention
Cost when system.
Second aspect according to the invention, the task is by a kind of for running the battery of first aspect according to the invention
The method of group system solves.The characteristics of the method according to the invention, is: in the sluggish situation of battery pack control device,
In order to identify that at least one battery cell of the battery pack subelement overcharges, the monitoring device of battery pack subelement with
> 50ms, especially > 100ms, preferably > 1s measurement are spaced to monitor at least one battery pack of the battery pack subelement
The voltage of battery, wherein when measured voltage oversteps the extreme limit voltage, preferably twice measurement, especially ten times measurement,
When measured voltage is above limiting voltage in preferably 25 times measurements, activate battery pack single by the monitoring device
The safety device of member.
The method according to the invention is configured to run the battery pack system of first aspect according to the invention, or according to
The battery pack system of the first aspect of the present invention at least has following ability: implementing the method for second aspect according to the invention.
Therefore, identical advantage can be provided by the method for second aspect according to the invention, it is described identical
Battery pack system of the advantage about first aspect according to the invention is described in detail.
The method according to the invention is especially arranged for the battery assembly module or battery pack subelement of battery pack system
Each battery cell charging process, which carries out when battery pack control device is inactive.In order to identify to
A few battery cell overcharges, battery pack of the battery pack system by being present in first aspect according to the invention
Monitoring device in unit measures the voltage of at least one battery cell of the battery pack subelement for being subjected to charging process.This
Sample carries out these measurements so that these measurement be not especially constantly execute, but be greater than 50ms, especially greater than
100ms, the measurement interval of 1s is preferably more than to execute.One side can limit the energy consumption and another party that these are measured as a result,
Face can also limit the data volume of accumulation, and not reduce the safety in monitoring simultaneously.Meanwhile measured voltage is divided
Analysis, especially with respect to overstepping the extreme limit, voltage aspect is analyzed.When overstepping the extreme limit voltage, by monitoring device come activated batteries group
The safety device of unit, to prevent at least one battery cell of battery pack subelement, especially the battery pack subelement
Damage, the voltage that oversteps the extreme limit particularly preferably repeats to be identified, for example, measurement twice, especially ten times measurements,
It is identified in preferably 25 times measurements.Therefore, especially in short, can be provided by the method according to the invention:
Battery pack level can provide the protection that overcharges, without activating higher level's battery pack control device, and not via main total
Linear system system transmits big data volume, and the data volume gives for example all battery packs of battery pack system according to the invention at the same time
Battery can increase when charging.
The method according to the invention can also be extended to so that: in the case where battery pack control device is active, monitoring
Device is interrupted to the monitoring of the voltage of at least one battery cell of battery pack subelement and/or limiting voltage is adjusted
Must be higher than total limiting voltage, total limiting voltage be used to identify battery pack subelement extremely in battery pack control device
A few battery cell overcharges.When battery pack control device enlivens, most of the battery pack control device is undertaken
Monitoring to the voltage of at least one battery cell of battery pack subelement.Thus, in the reality of the method according to the invention
It applies and is provided in the first alternative of mode: interrupting monitoring of the monitoring device to voltage.It whereby, can be to avoid unnecessary monitoring
The unnecessary load of process and therefore monitoring device.Additionally or alternatively, in the reality of the method according to the invention
It applies in the second alternative of mode it may be stipulated that: continuing monitoring of the monitoring device to voltage, wherein however being used for and being surveyed
The limiting voltage that the voltage of amount is compared is adjusted higher than total limiting voltage, and total limiting voltage is controlled in battery pack
It is used to identify overcharging at least one battery cell of battery pack subelement in device.It can protect in this way
Card: it before the monitoring device of single battery group unit will recognise that and overcharge, overcharges and is controlled first by battery pack
Device identifies.Thus, it is possible to avoid the competitions of two kinds of monitoring, i.e., the monitoring that is on the one hand carried out by battery pack control device and another
On the one hand the competition of the monitoring carried out by monitoring device.
Detailed description of the invention
Further advantage, feature and details of the invention is obtained from subsequent description, detailed with reference to attached drawing in the description
The embodiment of the present invention carefully is described.Here, the feature referred in detail in the claims and in the description can be single respectively
Reflect inventive nature solely or in any combination.
Wherein:
Fig. 1 shows the battery pack system according to the invention with serial main bus system；
Fig. 2 shows the battery pack system according to the invention of Fig. 1 to amplify；
Fig. 3 shows the battery pack system according to the invention with parallel main bus system；
Fig. 4 shows the battery pack system according to the invention of Fig. 3 to amplify.
In the drawings, identical technical characteristic is equipped with identical appended drawing reference.
Specific embodiment
Battery pack system 1 according to the invention, the main bus system 5 of the battery pack system 1 are shown in fig. 1 and 2
It is configured to serial data bus.Here, battery pack system 1 according to the invention is shown in Fig. 1 with detailed view, in Fig. 2
In shown with enlarged view.Two attached drawings are described by jointly below.
Battery pack system 1 according to the invention especially have batteries management system 2, the batteries management system 2 by with
In monitoring, control and/or regulate battery pack system 1 according to the invention.The batteries management system especially includes multiple components,
These components distributions are in entire battery pack system.It is the part of batteries management system 2 by following cell attribute in Fig. 1,
The unit consists essentially of: control device 3, branch administrative unit 4 and communication device 20 and each battery pack subelement 12
Monitoring device 14 and each battery assembly module 10 communication device 20, it is not excluded that other possibilities.In addition it is also possible to electricity
Pond group management system 2 distributes other elements, especially for required device for the communication between element.Here, the battery
Group management system 2 especially has battery pack control device 3, which passes through main bus system 5 and each battery
Group unit 10 is connected in a manner of data communication.It is main in the shown embodiment of battery pack system 1 according to the invention
Bus system 5 has multiple bus branch 6, wherein being guaranteed by branch administrative unit 4 by each data and/or instruction distribution
Onto each bus branch 6.Each battery assembly module 10(one of them is illustrated in detail in Fig. 1) it is respectively provided with communication device
20, can be guaranteed by the communication device 20 with main bus 5 and whereby with the battery pack control device of batteries management system 2
3 communication.For this purpose, communication device 20 has principal communication interface 21.Guaranteed by secondary communication interface 22 in each electricity
Data communication within pond group unit 10.Especially, it within each battery assembly module 10, is provided with same in this embodiment
Sample is configured to the secondary main system 11 of universal serial bus, which passes through the pair communication interface 22 and communication device 20
It is connected in a manner of data communication, but also each battery pack subelement 12 and communication device 20 that make battery assembly module 10 are with number
It is connected according to the mode of communication.Each battery pack subelement 12 is respectively provided with monitoring device 14 again, to monitor battery pack subelement
12 at least one battery cell 13.In each battery pack subelement 12, safety is all distributed to each battery cell 13
Device 15 especially automatically deactivates the electricity to deactivate the battery cell 13 in the case where battery cell 13 damages
Pond group battery 13, to prevent the damage on battery pack subelement 12, battery assembly module 10 or entire battery pack system 1.It is logical
Sensing device, such as voltage sensor 16, current sensor 17 and/or collision perceptron 18 are crossed, battery assembly module can be collected
10 or battery pack subelement 12 in state parameter, these state parameters can pass through communication device 20 and/or each monitoring unit
14 analyze.It is also contemplated that manipulating safety device 15 based on these data by monitoring device 14.In this way,
The communication device 20 and/or monitoring device 14 of each battery pack subelement 12 can provide various functions, such as right
The balance adjustment of each battery cell 13 of battery assembly module 10, the analysis being already mentioned above and/or the behaviour to safety device 15
Control is lower than and/or over-limit condition to identify by status data determined by analyzing, and/or mentioned via main bus system 5
For the communication with battery pack control device 3.
As shown, communication device 20 can also have another interface, which is that control communication connects
Mouth 23.When using the communication device 20 in battery assembly module 10, which does not work.However, due to this
Control the presence of communication interface 23, communication device 20 can also be used in the main body of batteries management system 2, especially by with
In the communication of offer battery pack control device 3 and main bus system 5.For this purpose, control communication interface 23 is in battery pack control
The connection in a manner of data communication is established between device 3 and communication device 20 processed, the communication device 20 is further through its principal communication
Interface 21 is connect with main bus system 5.In this way, not only in battery cell 10 itself but also in battery pack system 1
Or identical communication device 20 can be used in the central computation unit of batteries management system 2.It is being made thus, it is possible to realize
Make cost savings when battery pack system 1 according to the invention.
In addition it is also possible to provide: even if monitoring device 14 also continues to hold in the case where battery pack control device 3 deactivates
Monitoring of the row to the voltage of each battery cell 13 of battery pack subelement 12.This, which especially has the advantages that, for example exists
In the charging process of battery pack system 1, wherein battery pack control device 3 can be deactivated for test purpose, still it can know
Not Chu each battery cell 13 overcharge, such as by the way that measured voltage is compared to identify with limiting value
Each battery cell 13 overcharges.Because most of charging process slowly carries out, these monitoring can with compared with
Big time interval, be greater than 50ms, especially greater than 100ms, the measurement interval of preferably more than 1s carries out, and thus
The safety of entire battery pack system 1 will not be reduced.When identifying measured voltage over-limit condition, especially when described
It is identified more than being repeatedly identified, such as in measurement twice, especially in ten measurements, preferably in 25 measurements
When out, monitoring device 14 can trigger safety device 15.Thus, it is possible to avoid single to single battery group battery 13, battery pack
The damage of member 12, battery assembly module 10 or entire battery pack system 1 until single battery group battery 13, battery pack subelement 12,
Battery assembly module 10 or entire battery pack system 1 damage.It, can be in the case where reactivating battery pack control device 3 later
Interrupt the monitoring just described described in voltage of the monitoring device 14 to battery cell 13 and/or with higher limiting value come after
The monitoring just described described in continuous voltage of the monitoring device 14 to battery cell 13, wherein the higher limiting value is especially
It is above the limiting value of total limiting voltage, total limiting voltage be used to identify in battery pack control device 3 battery pack
At least one battery cell 13 of unit 12 overcharges.It can guarantee that two kinds of monitoring do not interfere with each other in this way.
The battery pack system 1 having been described in Fig. 1 is shown in FIG. 2, wherein becoming in this illustration obvious
: the data communication within battery pack system 1 is provided by cascade bus architecture.Go out from battery pack control device 3
Hair, branch administrative unit 4 control multiple bus branch 6 of main bus system 5, and the multiple bus branch 6 is directed to each electricity again
Pond group unit 1 diverges in the branch of secondary main 11.In this way it is possible to extra high flexibility is provided, especially with respect to
Each battery assembly module 10, the number of battery pack subelement 12 and especially battery cell 13 and the spy in terms of space layout
Not high flexibility.
Another embodiment of battery pack system 1 according to the invention is shown in figures 3 and 4.Electricity according to the invention
Unique difference between two kinds of embodiments shown in Fig. 1 and 2 and Fig. 3 and 4 of pond group system 1 is used to main bus
The bus architecture of system 5 and secondary main system 11.In this way, in fig 1 and 2, as described, using universal serial bus frame
Structure.On the other hand, in figures 3 and 4, not only main bus system 5 but also secondary main system 11 is all configured to parallel bus.This is total
Line provides the bus architecture of special robust.About all other details, refering to the description as described in Fig. 1 and 2.
Claims (10)
1. a kind of battery pack system (1), the battery pack system are included for running the battery pack system (1) controllably
Batteries management system (2) and at least two battery assembly modules (10), wherein at least two battery assembly module (10) point
Not Ju You at least two battery pack subelements (12), at least two battery packs subelement is respectively provided at least one battery pack
Battery (13), wherein the batteries management system (2) also has battery pack control device (3) and main bus system (5), it is described
Battery pack control device (3) is connected in a manner of data communication the main bus system and the battery assembly module (10),
It is characterized in that,
The batteries management system (2) has communication device (20), secondary main system in each battery assembly module (10)
(11) there are monitoring device (14) and for each battery pack subelement (12), the communication device has principal communication interface
(21) and secondary communication interface (22), wherein the monitoring device (14) all passes through the pair in each battery assembly module (10)
Bus system (11) is connect in a manner of data communication with the secondary communication interface (22) of the communication device (20), and the master is total
Linear system system (5) is connect in a manner of data communication with the principal communication interface (21) of the communication device (20).
2. battery pack system (1) according to claim 1,
It is characterized in that,
At least one secondary main system in the main bus system (5) and/or the secondary main system (11) is configured to go here and there
Row chain type bus and/or it is configured to parallel bus, is preferably constructed to differential dual-wire bus.
3. battery pack system (1) according to one of the above claims,
It is characterized in that,
The batteries management system (2) with branch administrative unit (4) and the main bus system (5) have it is at least two total
Line branch (6), wherein the battery pack control device (3) passes through the branch administrative unit (4) and at least two bus
Branch is connected in a manner of data communication.
4. battery pack system (1) according to one of the above claims,
It is characterized in that,
The battery pack subelement (12) is respectively provided at least one for deactivating the safety of corresponding battery pack subelement (12)
Device (15) preferably respectively has in the battery cell (13) for deactivating corresponding battery pack subelement (12)
The safety device (15) of each battery cell, wherein the corresponding monitoring device (14) of the battery pack subelement (12) in order to
It triggers the safety device (15) and is connected in a manner of data communication with corresponding safety device (15).
5. battery pack system (1) according to one of the above claims,
It is characterized in that,
The corresponding battery cell that the monitoring device (14) of battery pack subelement (12) passes through the battery pack subelement (12)
(13) it supplies electric energy and/or supplies electric energy by external energy feeding mechanism,
And/or the communication device (20) of battery assembly module (10) passes through the corresponding battery cell of the battery assembly module (10)
(13) it supplies electric energy and/or supplies electric energy by external energy feeding mechanism.
6. battery pack system (1) according to one of the above claims,
It is characterized in that,
The communication device (20) of battery assembly module (10) and/or the monitoring device (14) of battery pack subelement (12) are configured to
It determines and/or analyzes in the following state parameter of corresponding battery assembly module (10) and/or battery pack subelement (12) at least
The data of one state parameter:
Voltage,
Electric current,
Temperature,
Leakage loss,
Mechanism.
7. battery pack system (1) according to one of the above claims,
It is characterized in that,
The communication device (20) of battery assembly module (10) and/or the monitoring device (14) of battery pack subelement (12) are configured to
At least one function in following function is provided:
To the balance adjustment of the battery cell (13)；
Analysis and/or the manipulation to safety device (15)；
It is lower than and/or over-limit condition by status data determined by analyzing to identify；
Communication with the battery pack control device (3) is provided.
8. battery pack system (1) according to one of the above claims,
It is characterized in that,
The batteries management system (2) has at least one other communication device (20), and described at least one other leads to
T unit has additional control communication interface (23), wherein the battery pack control device (3) is connect by control communication
Mouthful (23) are connect in a manner of data communication at least one other communication device (20), and it is described at least one its
Its communication device (20) is connected in a manner of data communication the principal communication interface (21) and the main bus system (5)
It connects.
9. a kind of method of operation battery pack system (1) according to one of the above claims,
It is characterized in that,
In battery pack control device (3) sluggish situation, in order to identify at least one battery of battery pack subelement (12)
Group battery (13) overcharges, and the monitoring device (14) of the battery pack subelement (12) is to be greater than 50ms, be especially greater than
100ms, the measurement interval of 1s is preferably more than to monitor at least one battery cell of the battery pack subelement (12)
(13) voltage, wherein when measured voltage oversteps the extreme limit voltage, preferably twice measurement, especially ten times measurement,
When measured voltage is above limiting voltage in preferably 25 times measurements, the electricity is activated by the monitoring device (14)
The safety device (15) of pond group subelement (12).
10. according to the method described in claim 9,
It is characterized in that,
In the case where battery pack control device (3) are active, the monitoring device (14) is to the battery pack subelement (12)
The monitoring of the voltage of at least one battery cell (13) is interrupted,
And/or the limiting voltage is adjusted higher than total limiting voltage, total limiting voltage is controlled in the battery pack
It is used to identify overcharging at least one battery cell (13) of the battery pack subelement (12) in device (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017217863.9A DE102017217863A1 (en) | 2017-10-09 | 2017-10-09 | Battery system and method for operating a battery system |
| DE102017217863.9 | 2017-10-09 |
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| Publication Number | Publication Date |
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| CN109638365A true CN109638365A (en) | 2019-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811167058.XA Pending CN109638365A (en) | 2017-10-09 | 2018-10-08 | Battery pack system and the method for running battery pack system |
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| DE (1) | DE102017217863A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010062872A1 (en) * | 2010-12-13 | 2012-06-14 | Sb Limotive Company Ltd. | Monitoring IC chip for battery management unit |
| US9196930B2 (en) | 2011-03-24 | 2015-11-24 | Ford Global Technologies, Llc | Vehicle battery cell with integral control circuit |
| DE102013206612A1 (en) | 2013-04-12 | 2014-10-16 | Robert Bosch Gmbh | Method and device for determining a state variable of a battery cell |
| US20150102943A1 (en) * | 2013-10-10 | 2015-04-16 | Datang Nxp Semiconductors Co., Ltd. | Daisy-chain communication bus and protocol |
| CN205376672U (en) * | 2015-12-31 | 2016-07-06 | 清华大学苏州汽车研究院（吴江） | Electric vehicle battery management system framework of communicating based on CAN bus |
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