CN106199432A - Determine method and the cell system capable of recharging of rechargeable battery ageing state - Google Patents
Determine method and the cell system capable of recharging of rechargeable battery ageing state Download PDFInfo
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- CN106199432A CN106199432A CN201610266430.7A CN201610266430A CN106199432A CN 106199432 A CN106199432 A CN 106199432A CN 201610266430 A CN201610266430 A CN 201610266430A CN 106199432 A CN106199432 A CN 106199432A
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- 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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
-
- 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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current 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
- H01M10/04—Construction or manufacture in general
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of for the method determining the ageing state (34) of rechargeable battery (10).Additionally, the present invention relates to a kind of system (20) with rechargeable battery (10).
Description
A kind of method that the present invention relates to ageing state for determining rechargeable battery.Additionally,
The present invention relates to a kind of system with rechargeable battery.
It is known that use rechargeable battery as energy carrier in these modern technologies.Here,
The possible application for example, vehicle of this type of rechargeable battery, in these vehicles this type of
Battery is particularly useful for the driving of vehicle as unique and/or extra energy accumulator.But, at this
Can produce the catabiosis of this battery in the case of the rechargeable battery of class, this is such as by being somebody's turn to do
The operation of battery and cause, but also cause the most in time in the case of not using this battery.
Here, these batteries is aging general such as by the loss of capacity or by the internal resistance of this battery
Rising and illustrate.In the case of using this battery as the energy accumulator in vehicle, this is such as
Can result in the distance travelled of minimizing or maximum can realize the reduction of power.
Determine the performance of this battery in order to be in operation, identify the aging shape that this battery presently, there are
Therefore state is favourable.According to prior art at this it is known that record this electricity by pre research
Pond is in the performance of run duration, in order to forms model, can predict identical or class by means of these models
As the performance of battery.Also use these pre research for determining the parameter of this class model.But,
This type of pre research is especially high consuming in the case of using the aging method accelerated and wraps
Containing uncertainty, because to the aging during the entire life of this battery in the case of these methods
The conclusion of energy is protected the most completely.Based on pre research data aging pre-in order to improve this type of
Survey, according to known in the art, supplement by the measurement in this cell operation and fit
Join these ageing predeterminations.This type of method is such as by US 2010/0244846 A1 and DE 10 2,010 038
646 A1 are known.But, this type of be mostly based essentially on battery model for battery aging status
Forecasting Methodology also rely on used model and thus depend on these high expend grind in advance
Study carefully.
Therefore, it is an object of the invention to, eliminate disadvantages mentioned above at least in part.The purpose of the present invention
In particular, in that, it is provided that a kind of method of ageing state for determining rechargeable battery and one
With the system of rechargeable battery, they simplify the ageing state to rechargeable battery
Determine, wherein enable in particular to provide rechargeable in the case of the pre research not having high consuming
This type of of battery aging status determines.
Above-mentioned purpose is by a kind of ageing state for determining rechargeable battery according to the present invention
Method and by a kind of according to the present invention with rechargeable battery system realize.From explanation
Book and accompanying drawing obtain other feature and the details of the present invention.Here, combine the side according to the present invention
Method, naturally also combines feature that the system according to the present invention describes and details works, and correspondingly
Vice versa so that the most alternately with reference to or can be with reference to each side about the disclosed present invention
Face.
According to the first aspect of the invention, this purpose is by a kind of for determining rechargeable battery
The method of ageing state realizes.The method according to the invention is characterised by following steps.
A) a feature chart (Kennfeld) is measured with the power data of this battery,
B) state-of-charge of this battery is estimated,
C) determine for this battery at least based on the state-of-charge of estimation in step b) (51)
At least one ultimate value of one operational factor,
D) in the case of using at least one ultimate value determined in step c), this is monitored extremely
A few battery parameter,
E) capacity of this battery is measured, and
F) at least from the state-of-charge of estimation among step b) (51), acquisition in step d)
The monitoring result of this operational factor and in step e) capacity of estimation determine the aging shape of this battery
State.
As already stated above, according to prior art for determining the aging shape of rechargeable battery
The known method of state is based essentially on battery model and/or parameter mostly, these battery models and/or ginseng
Pre research that base expends in height and formed or determine.But, the operation of rechargeable battery is held
Continuous the most for a long time, then the cogency of these results measured by this type of method is the least.According to the present invention,
Naturally also can be by the combination junctional complex (Zusammenschl of battery unit and/or multiple battery at this
ü sse) it is interpreted as rechargeable battery.But, can by a kind of the method according to the invention
Realize the determination of the ageing state to rechargeable battery, and without implementing this type of high consuming in advance
Research.Then, with power data determination one in the step a) of a kind of the method according to the invention
Feature chart.Here, this step a) enables in particular to be disposable, preferably to this battery
Carry out before using first.Mostly there is this type of feature chart, because this is particularly with this battery
The actual motion of (such as the energy accumulator for driving vehicle) is also needs.Here,
This type of feature chart a kind of such as can comprise about value (such as in these battery charge or discharge
Journey depends on temperature and/or the voltage of state-of-charge, electric current and/or power) information.Here,
These values such as also rely on an internal resistance of this battery, this internal resistance also thus be able to
Few impliedly acquisition in the feature chart measured.Here, with regard to this battery aging for, a spy
Levy the mensuration of chart and the most do not cause the pre research of high consuming, because aging to this battery at this
Process is not studied.Remaining step b) according to the inventive method is to f) can be particularly preferred
Ground is implemented during this battery operation, and wherein, these steps b) is to multiple realities f)
It is feasible for executing circulation.Here, when meaningful and feasible, these steps b) is to f) certain energy
Implement in any order or simultaneously with enough following one another.Here, according to volume step b) of the present invention
The state-of-charge of middle this battery of estimation.By the method step, it is possible to detect the current dominant of this battery
State-of-charge.The state-of-charge detected is consequently formed the eigenvalue that this battery there is currently.Pass through
Consider the state-of-charge of estimation in the step b) according to the inventive method, determine in step c)
In the case of at least one ultimate value of at least one operational factor of this battery, the most can
Enough the state of the current dominant of this battery in continuous running is accounted for for the first time.According to this
In the step d) of inventive method, it is subsequently used in step c) at least one ultimate value of determining
In the case of monitor this operational factor.Here, this ultimate value enables in particular to certainly advantageously in step c)
In select in this way so that this operational factor to be monitored less than or exceed this ultimate value allow
Draw the conclusion of the ageing state about this rechargeable battery.Here, to this operation to be monitored
Parameter less than or exceed the monitoring of this ultimate value can such as include this less than or exceed frequency, class
Type and/or quality are as information.Additionally, measure this electricity in the step e) according to the inventive method
The capacity in pond.Here, this battery capacity that there is currently allows about this rechargeable electricity
The conclusion of the ageing state in pond.In the step f) according to the inventive method, collect in these steps
A) information collected in, b), d) and e) is for the ageing state determining this battery.Make at this
Occur less than by the state-of-charge of this estimation, the capacity of mensuration and the operational factor monitored and/or surpass
Cross the monitoring result of this ultimate value, in order to by with in step a), be stored in the amount in feature chart
The comparison of value is derived the change of ageing state of this battery.Generally, rechargeable battery is old
Change state the most particularly simple and in addition can be generally based on by the method according to the invention
In running obtain data and implement.It can be avoided that the high pre research expended, especially to always
The pre research of change process.It is possible to the saving of the time that realizes and cost.
Additionally, in the case of according to the inventive method, it is possible to particularly preferably propose, in step
In b), the estimation to the state-of-charge of this battery depends on this operational factor of monitoring in step d)
The result that obtained and/or the capacity measured in step e) and/or determine in step f) old
Change state and/or the charged value measured in this battery operation are made iteratively.By so carrying out
The estimation of iteration, this is charged for estimation especially to use the data that measure during the method
State.Certainly, the feature chart measured in step a) also is able to be included in this state-of-charge
In estimation.Because these ultimate values such as determined in step c) and/or determine in step f)
Ageing state again depend on the state-of-charge of estimation in the step b), it follows that a regulation
Circulation.Especially in the case of according to the operation the most completely of the inventive method, it is possible to thus in basis
Realize the best and especially in the case of the step b) of the inventive method estimates this state-of-charge
Result more accurately.By the state-of-charge of the estimation of this battery, (state-of-charge of this estimation is as far as possible
Ground is close to the actual value of this battery charge state), the most certainly it also is able to determine more accurately in basis
The ageing state of this battery determined in the step f) of the inventive method.
Additionally, can also propose in the case of according to the inventive method, will in step b)
One maximum state-of-charge and/or minimum state-of-charge are estimated as the charged shape of this battery
State.Certainly enabling in particular to preferably propose, estimation one is minimum and maximum in the step b)
State-of-charge.Here, this battery maximum state-of-charge is the most such as by multiple unit structures
Can be determined by such unit in the case of the battery become: store the highest charged in this unit
Amount.Correspondingly, a minimum state-of-charge of this battery can be determined by such unit:
This unit stores minimum carrying capacity.By the estimation to two state-of-charges, i.e. minimum and
Big state-of-charge, it is possible to rechargeable battery is carried out power prediction.Here, this battery
The electric charge that can extract of maximum be particular formed as the maximum caused by system and the minimum caused by system
Difference between the state-of-charge allowed.Here, meant especially that it is contemplated that be somebody's turn to do by what system caused
Multiple limit of battery operation.This carrying capacity is provided for connection to the power consumption of this rechargeable battery
Equipment, wherein, the information about this carrying capacity such as can be supplied to user by estimation.
Additionally, the method according to the invention can be formed as follows so that in view of being somebody's turn to do in step b)
One floating voltage of battery.Here, the such voltage difference between the electrode of this battery is referred to as
Floating voltage: do not carry out loading, not the most being charged or put in the sufficiently long time at this battery
This floating voltage is set when electricity.Thus, enable in particular to it is considered that the state-of-charge of this battery
Also rely on this floating voltage.But, in following running, the most especially carry from this battery
Power taking lotus or store electric charge in the cell, can set one with unloaded between the electrode of this battery
The voltage difference that voltage is different.The operation of this battery persistently the longest and especially in this running
The quantity of electric charge passed through during charging and discharging is the biggest, then the state-of-charge that there is currently and this sky of existence
The difference of this state-of-charge determined when carrying voltage may be the biggest.Result is that estimation should in step b)
The accuracy reduced during state-of-charge.Therefore, enable in particular to advantageously, once there is zero load upper
During voltage, i.e. such as during running time-out, this state-of-charge is recalibrated or initializes
To this most dominant floating voltage.Can be achieved at the step b) according to the inventive method
The improvement of result in the case of the state-of-charge of middle this battery of estimation.
Additionally, can propose in the case of according to the inventive method, determine in step c)
During the ultimate value of one operational factor, select at least one element in list below as running ginseng
Number:
The charging voltage of-this battery
The discharge voltage of-this battery
The charging current of-this battery
The discharge current of-this battery
The charge power of-this battery
The discharge power of-this battery.
Certainly, this list is not exclusive so that also be able in step c) as other operation ginseng
Number determines ultimate value.Enable in particular to be multiple operational factors in the step c) according to the inventive method,
Particularly preferably all operational factors determine ultimate value.Mention by monitoring is multiple, the most all
Operational factor, this can in the step f) according to the inventive method ageing state to this battery
Determine more accurately, because particularly by data base widely (by monitoring multiple or all fortune
Line parameter produces) accuracy of forecast can be improved when determining the ageing state of this battery.
Can also propose according in the another embodiment of the inventive method, in step c)
Middle determine an operational factor ultimate value time, it is contemplated that at least one element in list below:
The floating voltage of-this battery
The temperature of-this battery
The power limit depending on battery of-this battery
The power limit depending on place to use of-this battery
The charge/discharge load test of the charge/discharge load test of-this battery, especially pulsed
The charge/discharge current of-this battery.
Certainly, this list is not exclusive so that also be able to when determining the ultimate value of operational factor
In view of other feature and value.Such as, it also is able to when determining this ultimate value in view of in step
A) the feature chart measured in.Here, especially use, this operational factor especially also has this fortune
The ultimate value of line parameter is able to rely on the one or more parameters in above-mentioned list.By in view of fortune
The line parameter dependence to above-mentioned environmental effect, thus the aging of this battery can obtain the best prison
Survey.By in view of the monitoring result in the step f) according to the inventive method, thus as
It is capable of the determination of the ageing state to this battery with describing, the most in addition by monitoring above-mentioned list
In one of element also be able to when determining the ageing state of this battery improve accuracy.
Particularly preferably can propose in the case of according to the inventive method, in step d)
Operational factor in this monitoring produces one when being less than and/or exceed this ultimate value and triggers signal.One
This type of triggering signal (this triggering signal is commonly referred to trigger and/or event), forms one especially
Simple signal.One this type of triggering signal especially can be embodied as a binary signal.Thus can
Enough particularly simple make to realize monitoring result in the enforceable program of computer to be possibly realized.
Additionally, can propose according to a particularly preferred improvement project according to the inventive method
It is, before only the operational factor in this monitoring is less than and/or exceedes this ultimate value, at one especially
In the time period depending on system and determine, especially in about 1 minute, preferably about 30
Particularly preferably in about 5 seconds in second, be not detected by operational factors of other monitorings less than and
/ or during more than a ultimate value, just produce this triggering signal.Here, one depends on system and true
The fixed time period can such as depend on the internal structure of this battery and/or the place to use of this battery and
Determine.Here, enable in particular in view of this identical however can certainly in view of one additionally
Ultimate value or operational factor.Thus, enable in particular to avoid, be less than long-term
And/or in the case of the ultimate value of the operational factor exceeding this monitoring, persistently produce multiple triggering signal.
In the case of the ultimate value of the operational factor being less than and/or exceeding this monitoring only shortly existed also
Only produce a unique triggering signal.In the step f) according to the inventive method, determining this
Accuracy can be improved the most further during the ageing state of rechargeable battery.
Additionally, the method according to the invention can be improved the most as follows so that in the charging of this battery
During produce a charging and trigger signal as triggering signal and in the discharge process of this battery
Produce an electric discharge and trigger signal as triggering signal.Thus, the operation at this battery is enabled in particular to
Journey realizes to charging process or the detection of the separation of discharge process.Thereby, it is possible to according to the present invention
The step f) of method provides widely data base when determining the state-of-charge of this battery.
Here, can propose according to a particularly preferred improvement project according to the inventive method
It is, in the case of there is a charging triggering signal and an electric discharge triggering signal, especially to produce
In the case of monitoring a charging voltage or a discharge voltage, measure an internal resistance of this battery
Rising.Here, such as based on the feature chart measured in the step a) and in step f) really
The ageing state of this fixed battery can determine the ultimate value for monitoring these voltages.Here, especially
Use, the charging process of this battery has also produced in discharge process one and has triggered letter
Number.Being illustrated that by two this dual existence triggering signal, especially this charging voltage is higher than pre-
Phase and this discharge voltage are less than expection.This such as can indicate that this battery internal resistance rising or
Explained by this type of rising of the internal resistance of this battery.By two existence energy triggering signal
Enough avoid this type of error detection raised to this internal resistance, as this error detection such as can be passed through
In step b), the defective of this state-of-charge is estimated generation according to the inventive method.
Furthermore it is possible to propose in the case of according to the inventive method, measure this capacity being used for
Step e) in carry out at least two state-of-charge and of this battery of estimation in the step b)
Contrast between the individual charged value measured in the operation of this battery.Preferably, these estimations is charged
State such as can be estimated before and after running this battery.Here, this charged value is the most outstanding
It can be by a relevant ampere-hour counting device during running this batteryMeasuring, this ampere-hour counting device is formed as further contemplating this electric current
Symbol.Of course it is also possible to measured other charged value by an ampere-hour counting device, such as
One absolute charged value, does not the most consider the symbol of the electric current of this flowing.The most such as by these
Difference between charged value and the charged value of the mensuration that is in operation by this ampere-hour counting device of estimation
Contrast can particularly simple determine the capacity of current dominant of this battery.
A second aspect according to the present invention, this purpose has rechargeable battery by a kind of
System realizes.Thus, the system according to the present invention is characterised by, this system is formed as implementing
Method according to the first aspect of the invention.Correspondingly, as in detail with reference to according to the first of the present invention
The method according to the invention of aspect has illustrated, the system according to the present invention brings identical excellent
Point.According to the present invention, at this at this in the case of the system according to the present invention, naturally also can be by
The combination junctional complex of battery unit and/or multiple battery is interpreted as rechargeable battery.
Particularly preferably can propose in the case of the system according to the present invention, this battery conduct
Energy accumulator can be used in vehicle.Here, this battery is such as unique and/or extra energy
Amount memorizer can be used for driving this vehicle.By making this system be formed as implementing according to the present invention's
The method of first aspect, it is old that the user of this vehicle or this vehicle can obtain about this battery all the time
The information of change state.Here, this system also is able to configuration in this way certainly so that about this battery
Power-performance or information (such as voltage, electric current and/or the peak power of operational factor of this battery
Output) it is available.
Other advantage, feature and the details of the present invention will embody from following description, Qi Zhongcan
See that embodiments of the invention have been described in detail by accompanying drawing.Here, in claims and description
In the feature mentioned may respectively with itself individually or in any combination mode to the present invention be
Necessary.Figure schematically shows:
Fig. 1 according to a kind of feasible design of the inventive method,
Fig. 2 according to a kind of feasible implementation of the inventive method, and
Fig. 3 is arranged on the system according to the present invention in vehicle.
Illustrate that a feasible design and according to the inventive method one can in fig 1 and 2
The implementation of row.Here, in the description, these single steps are the most especially described also
And it is illustrated in Figure 2 these single procedures.This emphasis is arranged also so that being used in the most attached
Based on these reference markss in figure explanation.Here, in fig. 1 and 2 in identical method step
Certainly correspondingly implement identical procedure in Zhou and vice versa.
Fig. 1 illustrates a feasible design according to the inventive method.Here, in step a)
In 50, measure a feature chart 11 (not with the power data of battery 10 (the most together illustrating)
With illustrating), this battery is preferably and is receiving the new battery 11 before the operation of this battery 10.
Here, this feature chart 11 is preferably carried out disposably measuring and such as comprising about amount at this
Value (such as depends on temperature and/or the lotus of this battery 10 during these battery 10 charge or discharge
The voltage of electricity condition, electric current and/or power) information.These steps b) 51, c) 52, d)
53, e) 54 and f) 55 preferably enforcement during this battery 10 runs, wherein, these
That yes is feasible in multiple enforcement circulations of step.The lotus of this battery 10 is estimated in step b) 51
Electricity condition.This state-of-charge is transmitted and conduct in step c) 52 by data signal 43
For determining at least one operational factor (such as voltage, electric current or merit during charge or discharge
Rate) the basis of ultimate value use.The ultimate value determined in step c) 52 is believed by data
Numbers 43 are transmitted and use in step d) 53, in order to monitor this operational factor.Additionally,
The capacity other characterizing magnitudes as this battery 10 of this battery 10 is measured in step e) 54.
To this end, the state-of-charge of this battery of estimation such as can be used in step b) 51, especially with
Charged value that is that measure in the operation of this battery 10 and/or that calculate carries out using (the most together showing relatively
Go out).For the actual ageing state determining this battery 10, these steps a) 50, b) 51, d)
The result of 53 and e) 54 is sent by multiple data signals 43 and makees in a step f) 55
It is used for determining ageing state for input parameter.By considering the feature chart measured in step a) 50,
The most such as by contrast from the current state-of-charge present in this battery 10 of step b) 51
Value, the monitoring to operational factor from step d) 53 and the capacity from step e) 54 thus
Directly can determine this battery 10 from the data generally measured the running of this battery 10
Change and the ageing state of thus this battery 10.It is possible to avoid the ageing process to this battery
Expenses Cost and the pre research of time.Additionally, figure 1 illustrates, these steps d) 53,
E) result of 54 and f) 55 can be supplied in step b) 51 as multiple feedback signals 44
In estimation that the state-of-charge of this battery 10 is implemented.Thus enable that the iteration to this state-of-charge
Estimation be possibly realized, in this state-of-charge, the result of this estimation process is again at least indirectly conduct
Input parameter is for this estimation process.It is possible to realization real to this state-of-charge in step b) 51
The accuracy of the estimation executed and the raising of reliability.
Figure 2 illustrates a possible implementation according to the inventive method, wherein, according to this
The single step of inventive method by the possible parts of a software 30,31,32,33,34,
35,36,37,38 visualize.Here, these single parts 30,31,32,33,
34,35,36,37,38 can be exchanged with each other signal, wherein, especially these data signals 43,
Make a distinction between feedback signal 44 and coordination signal 45.The most at battery 10 (not
With illustrating) bring into operation before in parts 39 with the power data mensuration feature chart of this battery 10,
Wherein, this battery 10 is particularly preferably in new state.Here, this type of feature chart a kind of
Can comprise about value (such as depend on during the charge or discharge of this battery 10 temperature and/
Or the voltage of state-of-charge, electric current and/or power) information.Battery is determined in these parts 34
The ageing state of 10 (the most together illustrating).Here, to the determination of state-of-charge 34 based on a portion
Part 30 (wherein estimating the state-of-charge of this battery), parts 32 (wherein monitor this battery extremely
A few operational factor) and multiple data of a parts 33 (wherein measuring the capacity of this battery)
On signal 43.Here, based at least in parts in 30 the state-of-charge of estimation in parts 31
The ultimate value of the operational factor to be monitored for this is determined.The mensuration of this capacity 33 is also made
The state-of-charge 30 estimated with these, such as before and after running this battery 10, in order to especially
By contrasting the difference between these state-of-charges 30 and the charged value measured in parts 35 at this electricity
The capacity that this battery 10 in the running in pond 10 there is currently is measured.Here, these parts
35 can be formed as an especially relevant ampere-hour counting device.In order to determine this ageing state 34,
The data signal 43 of the on-line determination of these parts 30,32,33 can preferably with at parts 39
The feature chart of middle measured in advance or compare with prediction based on this feature chart.It is possible to big
It is based purely in the running of this battery the data measured on body and realizes aging to this battery 10
The mensuration of state 34.Meanwhile, monitor operational factor 32, measure capacity 33 and determine this aging shape
These feedback signals 44 of state 34 are supplied in estimation state-of-charge 30 again, wherein, especially use
The feedback signal 44 of these parts 32 and 34 is for determining for estimating this of this state-of-charge 30
A little corrected values 38.Then, the corrected value 38 that these determine in this way is made as data signal 43
The estimation of the state-of-charge 30 of this battery it is supplied to for input parameter.The mensuration of this battery capacity 33
Direct feedback signal 44 and the initialization value and the charged value that determine in these parts 37 are formed other
Input parameter, these values measure in parts 35.Make the charged shape to this battery 10 in this way
The estimation of the iteration of state 30 is possibly realized, and it is possible to improve (especially significantly increasing) mensuration should
The accuracy of the estimated value of state-of-charge.Here, by the number of directly transmission estimation state-of-charge 30
The number of it is believed that 43 is for determining ageing state 34, and the state-of-charge preferably estimated passes through direct signal
Stream and by the data signal 43 to these parts 31 or 33 by indirectly signal stream to really
Quality when determining ageing state 34 produces impact.To the estimation of this state-of-charge 30 particularly by parts
36 coordinate, and these parts such as send to these parts 30,33,35,37,38 coordinates signal
45, and control in this way and/or regulate the evaluation of integrals to state-of-charge 30.Additionally, with such as
Under type strengthens the iterative characteristic of the estimation of this state-of-charge 30: the mensuration to the capacity of this battery 33
Connected by data signal by these parts 30 (estimating the state-of-charge of this battery in these parts).
(determining the ultimate value of operational factor in these parts, this operational factor is in parts 32 for these parts 31
It is monitored) also supplied by parts 30 data signal 43.Additionally, in fig. 2 it is seen that,
These are formed as triggering signal 40 by the signal 43,44 that monitoring operational factor 32 produces, such as
Be formed as charging and trigger signal 41 or electric discharge triggering signal 42.
Fig. 3 schematically shows the system according to the present invention 20, and this system is arranged in vehicle 21.
This system 20 especially has battery 10 and is formed as implementing the method according to the invention.Thus
It is possible that the user for this vehicle or this vehicle provides old at least with this battery 10 at any time
The information of change state.Here, this system 20 has all required parts certainly, such as sensor,
Analyze electronic equipment and/or computing unit, so as to implement the method according to the invention.With this side
Formula is obtained in that the ageing state about this battery 10 the most at any time but also has such as about maximum
Or the information of the power-performance of minimum voltage, maximum or minimum current or this battery 10.It is possible to
The operation that is reliable especially and that can plan with the vehicle 21 of this type of system 20 is made to be possibly realized.
Reference list
10 batteries
11 feature charts
20 systems
21 vehicles
30 estimation state-of-charges
31 determine ultimate value
32 monitoring operational factors
33 capacity measuring battery
34 determine ageing state
35 measure charged value
36 coordination approachs
37 determine initialization value
38 determine corrected value
39 measure feature chart
40 trigger signal
41 chargings trigger signal
42 electric discharges trigger signal
43 data signals
44 feedback signals
45 coordinate signal
50 step a)
51 step b)
52 step c)
53 step d)
54 step e)
55 step f)
Claims (13)
1. the method being used for determining the ageing state (34) of rechargeable battery (10),
It is characterized in that following steps:
A) a feature chart (11), (50) are measured with the power data of this battery (10)
B) state-of-charge (30) of this battery (10), (51) are estimated
C) determine for this battery (10) based on the state-of-charge of estimation in step b)
At least one ultimate value (31) of at least one operational factor, (52)
D) in the case of using at least one ultimate value determined in step c), monitoring
This at least one operational factor (32), (53)
E) measure the capacity (34) of this battery (10), (54) and
F) at least among step a) (50) measure curve chart (11), in step b)
The state-of-charge of middle estimation, the monitoring result of this operational factor obtained in step d) (53)
The ageing state (35) of this battery (10) is determined with the capacity of estimation in step e) (54),
(55)。
Method the most according to claim 1,
It is characterized in that,
In step b) (51), the estimation to the state-of-charge (30) of this battery (10) depends on
Lai Yu monitors result that this operational factor (32) obtained in the step d) (53) and/or in step
The capacity (33) measured in rapid e) (54) and/or the aging shape determined in step f) (55)
State (34) and/or the charged value (35) measured in this battery (10) runs are entered iteratively
OK.
Method the most according to claim 1 and 2,
It is characterized in that,
In step b (51), by minimum to a maximum state-of-charge and/or one charged
State (30) is estimated as the state-of-charge of this battery (10).
4. according to the method one of aforementioned claim Suo Shu,
It is characterized in that,
In view of a floating voltage of this battery (10) in step b) (51).
5. according to the method one of aforementioned claim Suo Shu,
It is characterized in that,
When determining ultimate value (31) of an operational factor in step c) (52), select with
At least one element in lower list is as operational factor:
The charging voltage of-this battery
The discharge voltage of-this battery
The charging current of-this battery
The discharge current of-this battery
The charge power of-this battery
The discharge power of-this battery.
6. according to the method one of aforementioned claim Suo Shu,
It is characterized in that,
When determining ultimate value (31) of an operational factor in step c) (52), it is contemplated that
At least one element in list below:
The floating voltage of-this battery
The temperature of-this battery
The power limit depending on battery of-this battery
The power limit depending on place to use of-this battery
The charge/discharge load examination of the charge/discharge load test of-this battery, especially pulsed
Test
The charge/discharge current of-this battery.
7. according to the method one of aforementioned claim Suo Shu,
It is characterized in that,
In step d) (53), the operational factor (32) in this monitoring is less than and/or exceedes this
Produce one during ultimate value and trigger signal (40).
Method the most according to claim 7,
It is characterized in that,
Before only the operational factor (32) in this monitoring is less than and/or exceedes this ultimate value,
Within a time period depending particularly on system and determine, especially in about 1 minute, excellent
Selection of land, in about 30 seconds particularly preferably in about 5 seconds, is not detected by other monitorings
Operational factor less than and/or during more than a ultimate value, just produce this triggering signal (40).
9. according to the method one of claim 7 or 8 Suo Shu,
It is characterized in that,
In the charging process of this battery (10), produce a charging trigger signal (41) conduct
Trigger signal (40) and in the discharge process of this battery (10), produce an electric discharge triggering
Signal (42) is as triggering signal (40).
Method the most according to claim 9,
It is characterized in that,
Signal (41) and the feelings of electric discharge triggering signal (42) are triggered when there is a charging
Under condition, especially produce in the case of (32) charging voltages of monitoring or a discharge voltage,
Measure the rising of an internal resistance of this battery (10).
11. according to the method one of aforementioned claim Suo Shu,
It is characterized in that,
The step e) (54) being used for measuring this capacity (33) is carried out at least two in step
In rapid b) (51) state-of-charge (30) of this battery (10) of estimation with one at this battery
(10) contrast between the charged value (35) measured in operation.
12. with the system (20) of rechargeable battery (10),
It is characterized in that,
This system (20) is formed as implementing according to the method one of aforementioned claim Suo Shu.
13. systems according to claim 12 (20),
It is characterized in that,
This battery (10) can be used in vehicle (21) as energy accumulator.
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| DE102015108491 | 2015-05-29 | ||
| DE102015108491.0 | 2015-05-29 |
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| CN113875063A (en) * | 2019-04-17 | 2021-12-31 | Avl李斯特有限公司 | Method for checking protection method for protecting battery device |
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| DE102020127259A1 (en) * | 2020-10-15 | 2022-04-21 | Audi Aktiengesellschaft | Method and control device for impedance-based determination of a state of charge of at least one battery cell and motor vehicle |
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| CN106199432B (en) | 2021-06-22 |
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