CN107910607B - Modification method, device, electric car and the storage medium of battery health degree SOH - Google Patents
Modification method, device, electric car and the storage medium of battery health degree SOH Download PDFInfo
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- CN107910607B CN107910607B CN201711174186.2A CN201711174186A CN107910607B CN 107910607 B CN107910607 B CN 107910607B CN 201711174186 A CN201711174186 A CN 201711174186A CN 107910607 B CN107910607 B CN 107910607B
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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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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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
- H01M10/4285—Testing apparatus
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- 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
Abstract
The invention discloses modification method, device, electric car and the computer readable storage mediums of a kind of battery health degree SOH.Wherein method includes: and when detecting that battery enters newest primary charged state, to determine the charging operating condition of this charging in real time, and record the present charged capacity under current charging operating condition after determining that present battery needs to carry out SOH amendment；Corresponding charging capacity standard parameter is obtained from charging benchmark according to current charging operating condition；Judge whether charging capacity standard parameter and present charged capacity meet the first preset condition；If satisfied, then calculating corresponding actually available capacity under full power state, and the active volume under current charging operating condition is modified according to actually available capacity corresponding under full power state.Thus, it is possible to the service life state of battery is estimated in real time, and after so that current state-of-charge is truly reacted the certain cycle-index of experience, the real use state of battery.
Description
Technical field
The present invention relates to electric vehicle engineering field more particularly to a kind of battery SOH, (State of Health, battery are strong
Modification method, device, electric car and computer readable storage medium Kang Du).
Background technique
With the use of pure electric vehicle, the increase of circulating battery number, the service life of battery also can gradually decay.Related skill
In art, the active volume of battery is usually calculated by adding up ampere-hour number linear interpolation.But the number such as these accumulative ampere-hour numbers
According to the test data for being all based on battery core early period, and the test data can not really reflect battery system in actual vehicle
Application state.Therefore, the relevant technologies have much room for improvement.
Summary of the invention
The purpose of the present invention is intended to solve above-mentioned one of technical problem at least to a certain extent.
For this purpose, the first purpose of this invention is to propose the modification method of battery health degree SOH a kind of.This method can be with
The service life state for estimating battery in real time, after so that current state-of-charge is truly reacted the certain cycle-index of experience,
The real use state of battery allows users to the true health status for recognizing present battery.
Second object of the present invention is to propose the correcting device of battery health degree SOH a kind of.
Third object of the present invention is to propose a kind of electric car.
Fourth object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
In order to achieve the above objectives, the modification method for the battery health degree SOH that first aspect present invention embodiment proposes, packet
Include: whether the battery in monitoring present battery system needs to carry out SOH amendment；Determining that present battery needs to carry out SOH amendment
Later, detect whether the battery enters newest primary charged state；Detecting that the battery enters newest primary fill
When electricity condition, the charging operating condition of this charging is determined in real time, and records the present charged capacity under current charging operating condition；According to institute
It states current charging operating condition and obtains corresponding charging capacity standard parameter from charging benchmark；Judge the charging capacity standard parameter
Whether meet the first preset condition with the present charged capacity；If satisfied, then calculating corresponding actually available under full power state
Capacity, and the active volume under the current charging operating condition is carried out according to actually available capacity corresponding under the full power state
Amendment.
In order to achieve the above objectives, the correcting device for the battery health degree SOH that second aspect of the present invention embodiment proposes, packet
Include: whether monitoring modular, the battery for monitoring in present battery system need to carry out SOH amendment；Detection module, for true
Determine to detect whether the battery enters newest primary charged state after present battery needs to carry out SOH amendment；First obtains
Module, for determining the charging operating condition of this charging in real time when detecting that the battery enters newest primary charged state,
And record the present charged capacity under current charging operating condition；Second obtains module, for according to the current charging operating condition from filling
Corresponding charging capacity standard parameter is obtained in electrical reference；Judgment module, for judging the charging capacity standard parameter and institute
State whether present charged capacity meets the first preset condition；Computing module, in the charging capacity standard parameter and described
When present charged capacity meets the first preset condition, corresponding actually available capacity under full power state is calculated；Correction module is used for
The active volume under the current charging operating condition is modified according to actually available capacity corresponding under the full power state.
In order to achieve the above objectives, third aspect present invention embodiment propose electric car, including memory, controller and
It is stored in the computer program that can be run on the memory and on the controller, the controller executes described program
When, realize the modification method of battery health degree SOH described in first aspect present invention embodiment.
In order to achieve the above objectives, the non-transitorycomputer readable storage medium that fourth aspect present invention embodiment proposes,
It is stored thereon with computer program, battery described in first aspect present invention embodiment is realized when described program is executed by processor
The modification method of health degree SOH.
It the modification method of battery health degree SOH according to an embodiment of the present invention, device, electric car and computer-readable deposits
Storage media after determining that present battery needs to carry out SOH amendment, and detects that battery enters newest primary charged state
When, the charging operating condition of this charging is determined in real time, and record the present charged capacity under current charging operating condition, and according to currently filling
Electrician's condition obtains corresponding charging capacity standard parameter from charging benchmark, and judges charging capacity standard parameter and current charging
Whether capacity meets the first preset condition, if satisfied, then calculating corresponding actually available capacity under full power state, and according to full electricity
Corresponding actually available capacity is modified the active volume under current charging operating condition under state.Pass through electric discharge benchmark as a result,
The location point of triggering SOH correction conditions is first found, and in next charging process, starts to carry out SOH amendment to battery, that is, realize
The service life state for estimating battery in real time, enable current state-of-charge truly react the certain cycle-index of experience it
Afterwards, the real use state of battery allows users to the true health status for recognizing present battery.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart of the modification method of battery health degree SOH according to an embodiment of the invention；
Fig. 2 is the flow chart of the modification method of battery health degree SOH according to an embodiment of the present invention；
Fig. 3 is the flow chart of the modification method of battery health degree SOH accord to a specific embodiment of that present invention；
Fig. 4 is the structural schematic diagram of the correcting device of battery health degree SOH according to an embodiment of the invention；
Fig. 5 is the structural schematic diagram of the correcting device of battery health degree SOH accord to a specific embodiment of that present invention；
Fig. 6 is the structural schematic diagram of the correcting device of the battery health degree SOH of another specific embodiment according to the present invention；
Fig. 7 is the structural schematic diagram of electric car according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings describe the modification method of the battery health degree SOH of the embodiment of the present invention, device, electric car and
Computer readable storage medium.
In order to solve to calculate the active volume of battery by accumulative ampere-hour number linear interpolation in the related technology, and make this
Active volume can not really reflect the problem of application state of battery system grade in actual vehicle, and the invention proposes one
The modification method of kind battery health degree SOH, can estimate the service life state of battery in real time, and certain number charge and discharge are undergone in assessment
After circulation, the true capacity that battery can release, to carry out amendment and the practical continual mileage of vehicle of battery active volume
Amendment.Specifically, Fig. 1 is the flow chart of the modification method of battery health degree SOH according to an embodiment of the invention.It needs
Illustrate, the modification method of the battery SOH of the embodiment of the present invention can be applied to the battery health degree SOH's of the embodiment of the present invention
Correcting device, wherein the correcting device can be applied in electric car.
As shown in Figure 1, the modification method of battery health degree SOH may include:
Whether S110, the battery monitored in present battery system need to carry out SOH amendment.
Optionally, in the use process of battery, real-time monitoring can be carried out to the current state of the battery, to monitor the electricity
Whether pond needs to carry out SOH amendment.As an example, as shown in Fig. 2, the battery in above-mentioned monitoring present battery system whether
Needing to carry out the modified realization process of SOH can comprise the following steps that
S210, obtains the present discharge operating condition of battery system, and is obtained from electric discharge benchmark according to present discharge operating condition pair
The discharge capacity standard parameter answered.
Wherein, in an embodiment of the present invention, which can be preset, may include in the electric discharge benchmark
With the matched basic parameter of battery system.Refer to battery in ordinary life (such as 100% it is appreciated that the electric discharge benchmark is appreciated that
SOH in the case of), the relationship of monomer voltage and discharge capacity under different temperatures, different current discharge operating conditions.
Optionally, when whether the battery in monitoring present battery system needs to carry out SOH amendment, battery system can first be obtained
The present discharge operating condition of system, the information such as temperature value of current environment, and according to the present discharge operating condition, the temperature value of current environment
Corresponding discharge capacity standard parameter is obtained from the electric discharge benchmark.Wherein, the discharge capacity standard parameter be appreciated that be
Present discharge operating condition, current environment temperature value under, the target discharge capacity of corresponding battery.
S220 obtains battery system for the currently practical remaining active volume percentage under electric discharge operating condition.
It is default to judge whether discharge capacity standard parameter and currently practical remaining active volume percentage meet second by S230
Condition.
S240, if satisfied, then determining that battery currently needs to carry out SOH amendment.
It is appreciated that in whole vehicle service life, the SOC (State of Charge, state-of-charge) of battery system
The relationship of discharge capacity He practical SOC can be normally reacted with monomer voltage, but with the use of vehicle, with circulating battery
The increase of number, to a certain extent when, at this moment SOC cannot actually characterize the capacity of battery, just will appear SOC be higher than it is real
The remaining active volume percentage that border can release.For this purpose, in this step, in the case where obtaining present discharge operating condition, corresponding electric discharge is held
It, can be according to the discharge capacity standard parameter and currently real when measuring standard parameter and currently practical remaining active volume percentage
Border residue active volume percentage judges currently whether to need to be modified the SOH of battery.
As an example, described according to the discharge capacity standard parameter and currently practical remaining active volume percentage
To judge currently whether need the realization process being modified to the SOH of battery can be as follows: the discharge capacity standard can be calculated
Difference between parameter and currently practical remaining active volume percentage, and judge whether the difference is greater than first threshold, if
It is then to determine that discharge capacity standard parameter and currently practical remaining active volume meet the second preset condition.
That is, when the difference between the discharge capacity standard parameter and currently practical remaining active volume percentage
When greater than certain threshold value (such as above-mentioned first threshold), it can determine whether that the discharge capacity standard parameter and currently practical residue can use appearance
Amount meets the second preset condition, at this time, it may be determined that the battery currently needs to carry out SOH amendment.For example, in the discharge capacity
When difference between standard parameter and currently practical remaining active volume percentage is greater than first threshold, it can determine whether to meet touching at this time
Generate electricity the modified condition of pond SOH, that is, opens the SOH debugging functions of battery.
S120, after determining that present battery needs to carry out SOH amendment, whether detection battery enters newest primary charging
State.
It optionally, can battery charger after real-time detection battery after determining that present battery needs to carry out SOH amendment
If condition executes step S130 detect that present battery enters newest primary charged state.
S130 determines the charging operating condition of this charging when detecting that battery enters newest primary charged state in real time,
And record the present charged capacity under current charging operating condition.
That is, after determining that present battery needs to carry out SOH amendment, can enter in present battery newest primary
When charged state, start to realize the SOH of battery is modified, wherein can first determine the charging operating condition of this charging, example in real time
Such as, preset certain charging time can be reached in the time of charging, the capacity of charging reaches preset charging capacity, monomer voltage
After reaching preset charging monomer voltage range, the present charged capacity under current charging operating condition can record.
S140 obtains corresponding charging capacity standard parameter from charging benchmark according to current charging operating condition.
Optionally, the charging operating condition of this charging is determined in real time, and records the present charged capacity under current charging operating condition
While, corresponding charging capacity standard parameter can be obtained from charging benchmark according to the current battery charger condition.Wherein, in this hair
In bright embodiment, which can be preset, which is understood that refer to battery in ordinary life
In the case of (such as 100%SOH), the relationship of monomer voltage and charging capacity under different temperatures, different electric current charging operating conditions.
S150, judges whether charging capacity standard parameter and present charged capacity meet the first preset condition.
Optionally, in the charging capacity standard according to current charging operating condition under obtaining identical charging operating condition in charging benchmark
After parameter, it can judge currently whether start the SOH to battery according to the charging capacity standard parameter and present charged capacity
It is modified.
As an example, described to judge whether charging capacity standard parameter and present charged capacity meet the first default item
The realization process of part can be as follows: can calculate the difference between charging capacity standard parameter and present charged capacity, and judge difference
Whether second threshold is greater than, if so, determining that charging capacity standard parameter and present charged capacity meet the first preset condition.
That is, in the charging capacity mark according to current charging operating condition under obtaining identical charging operating condition in charging benchmark
After quasi- parameter, the charging capacity standard parameter can be calculated and with the difference between the present charged capacity under charged state,
If the difference is greater than second threshold, it can determine that current needs start to be modified the SOH of battery, that is, enter step
S160。
S160, if satisfied, then calculating corresponding actually available capacity under full power state, and according to corresponding under full power state
Actually available capacity is modified the active volume under current charging operating condition.
It optionally, can when whether the charging capacity standard parameter and present charged capacity meet the first preset condition
Corresponding actually available amount of capacity under full power state is estimated according to the present charged capacity under current charging operating condition, and according to
Corresponding actually available amount of capacity under the full power state is modified the active volume under current charging operating condition, constrains
Discharge capacity and continual mileage under 100%SOC state allow the active volume correctly truly system shape of reaction cell
State.
The present invention can clearly be understood in order to facilitate those skilled in the art, below in conjunction with Fig. 3 carry out into
The description of one step.
For example, as shown in figure 3, A. is firstly the need of the basic parameter for determining wanted match battery system, including electric discharge
Benchmark and charging benchmark can first determine charging verification basic data benchmark, and determine electric discharge end triggering SOH correction conditions
Then benchmark is stored using the electric discharge benchmark and charging benchmark as the basis of verification.B. in whole vehicle service life
Interior, the SOC and monomer voltage of battery system can normally react the relationship of discharge capacity He practical SOC, but with vehicle
Use, with the increase of circulating battery number, to a certain extent when, this is the capacity that SOC cannot actually characterize battery,
It just will appear SOC and be higher than the practical remaining active volume percentage that can be released.As SOC and real surplus active volume percentage
When difference is greater than certain value (such as above-mentioned first threshold), it will trigger SOH according to the electric discharge benchmark described in A in electric discharge end and repair
Positive condition.C. after triggering SOH correction conditions, understand the charging operating condition after real-time detection, centainly filled reaching preset
After electric time, charging capacity, charging monomer voltage range, current charging capacity is recorded.D. when judgement meets the step C
After the condition of middle setting, then it can look into turn and take charging benchmark described in step A, find consistent with the step C conditional
Charging benchmark, compare the active volume of charging benchmark under the same conditions.When according to charging benchmark look into the charging capacity taken,
With the charging capacity under state in the step C difference be greater than certain value (such as above-mentioned second threshold) when, begin to carry out SOH repair
Just, i.e., it is big that the present charged capacity that first basis currently charges under operating condition estimates corresponding actually available capacity under full power state
It is small.E. according to the actually available amount of capacity calculated in the step D, the active volume under current charging operating condition is repaired
Just, the discharge capacity and continual mileage under 100%SOC state are constrained, active volume correctly truly reaction cell is allow
System mode.
The modification method of battery health degree SOH according to an embodiment of the present invention is determining that present battery needs to carry out SOH and repair
After just, and when detecting that battery enters newest primary charged state, the charging operating condition of this charging is determined in real time, and record
Present charged capacity under current charging operating condition, and corresponding charging capacity is obtained from charging benchmark according to current charging operating condition
Standard parameter, and judge whether charging capacity standard parameter and present charged capacity meet the first preset condition, if satisfied, then counting
Corresponding actually available capacity under full power state is calculated, and according to actually available capacity corresponding under full power state to current battery charger
Active volume under condition is modified.The location point of triggering SOH correction conditions is first found by the benchmark that discharges as a result, and under
In secondary charging process, start to carry out SOH amendment to battery, that is, realizes the service life state for estimating battery in real time, make current
After state-of-charge can truly react the certain cycle-index of experience, the real use state of battery is enabled a user to much of that
Solve the true health status of present battery.
A kind of corresponding, the of the invention implementation of the modification method of battery health degree SOH provided with above-mentioned several embodiments
Example also provides the correcting device of battery health degree SOH a kind of, due to the amendment of battery health degree SOH provided in an embodiment of the present invention
Device is corresponding with the modification method of battery health degree SOH that above-mentioned several embodiments provide, therefore in aforementioned battery health degree
The embodiment of the modification method of SOH is also applied for the correcting device of battery health degree SOH provided in this embodiment, in this implementation
It is not described in detail in example.Fig. 4 is the structural representation of the correcting device of battery health degree SOH according to an embodiment of the invention
Figure.As shown in figure 4, the correcting device 400 of battery health degree SOH may include: monitoring modular 410, detection module 420,
One, which obtains module 430, second, obtains module 440, judgment module 450, computing module 460 and correction module 470.
Specifically, whether the battery that monitoring modular 410 is used to monitor in present battery system needs to carry out SOH amendment.Make
For a kind of example, as shown in figure 5, the monitoring modular 410 may include: first acquisition unit 411, second acquisition unit 412, sentence
Disconnected unit 413 and determination unit 414.
Wherein, first acquisition unit 411 is used to obtain the present discharge operating condition of battery system, and according to present discharge operating condition
Corresponding discharge capacity standard parameter is obtained from electric discharge benchmark.Second acquisition unit 412 is for obtaining battery system for putting
Currently practical remaining active volume percentage under electrician's condition.Judging unit 413 is for judging discharge capacity standard parameter and working as
Whether preceding real surplus active volume percentage meets the second preset condition.Determination unit 414 is used to join in discharge capacity standard
When several and currently practical remaining active volume percentage meets the second preset condition, determine that battery currently needs to carry out SOH amendment.
As an example, judging unit 413 judges discharge capacity standard parameter and currently practical remaining active volume hundred
Point than whether meet the specific implementation process of the second preset condition can be as follows: calculate discharge capacity standard parameter and currently practical remain
Difference between remaining active volume percentage, and judge whether difference is greater than first threshold, if so, determining discharge capacity standard
Parameter and currently practical remaining active volume meet the second preset condition.
Detection module 420 is used for after determining that present battery needs to carry out SOH amendment, and it is newest whether detection battery enters
Primary charged state.
First acquisition module 430 is used to determine this in real time when detecting that battery enters newest primary charged state
The charging operating condition of charging, and record the present charged capacity under current charging operating condition.
Second acquisition module 440 is used to obtain corresponding charging capacity standard from charging benchmark according to current charging operating condition
Parameter.
Judgment module 450 is for judging whether charging capacity standard parameter and present charged capacity meet the first default item
Part.As an example, as shown in fig. 6, the judgment module 450 can include: computing unit 451, judging unit 452 and judgement are single
Member 453.Wherein, computing unit 451 is used to calculate the difference between charging capacity standard parameter and present charged capacity.Judgement is single
Member 452 is for judging whether difference is greater than second threshold.Judging unit 453 is used to determine to fill when difference is greater than second threshold
Capacitance standard parameter and present charged capacity meet the first preset condition.
Computing module 460 is used for when charging capacity standard parameter and present charged capacity meet the first preset condition, meter
Calculate corresponding actually available capacity under full power state.
Correction module 470 is used for according to actually available capacity corresponding under full power state to available under current charging operating condition
Capacity is modified.
The correcting device of battery health degree SOH according to an embodiment of the present invention can first find triggering by the benchmark that discharges
The location point of SOH correction conditions, and in next charging process, start to carry out SOH amendment to battery, that is, realizes and estimate in real time
The service life state for calculating battery, after so that current state-of-charge is truly reacted the certain cycle-index of experience, the reality of battery
Border use state allows users to the true health status for recognizing present battery.
In order to realize above-described embodiment, the invention also provides a kind of electric cars.
Fig. 7 is the structural schematic diagram of electric car according to an embodiment of the invention.As shown in fig. 7, the electric car
700 may include: memory 710, controller 720 and be stored in the calculating that can be run on memory 710 and on controller 720
Machine program 730 when controller 720 executes described program 730, realizes battery health described in any of the above-described a embodiment of the present invention
Spend the modification method of SOH.
In order to realize above-described embodiment, the invention also provides a kind of non-transitorycomputer readable storage mediums, thereon
It is stored with computer program, realizes that battery described in any of the above-described a embodiment of the present invention is strong when described program is executed by processor
The modification method of Kang Du SOH.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
Claims (10)
1. a kind of modification method of battery health degree SOH, which comprises the following steps:
Whether the battery in monitoring present battery system needs to carry out SOH amendment；
After determining that present battery needs to carry out SOH amendment, detect whether the battery enters newest primary charged state；
When detecting that the battery enters newest primary charged state, the charging operating condition of this charging is determined in real time, and is remembered
Present charged capacity under the current charging operating condition of record；
Corresponding charging capacity standard parameter is obtained from charging benchmark according to the current charging operating condition；
Judge whether the charging capacity standard parameter and the present charged capacity meet the first preset condition；
If satisfied, then calculating corresponding actually available capacity under full power state, and according to reality corresponding under the full power state
Active volume is modified the active volume under the current charging operating condition.
2. the method as described in claim 1, which is characterized in that it is described monitoring present battery system in battery whether need into
Row SOH amendment, comprising:
The present discharge operating condition of the battery system is obtained, and correspondence is obtained from electric discharge benchmark according to the present discharge operating condition
Discharge capacity standard parameter；
The battery system is obtained for the currently practical remaining active volume percentage under the electric discharge operating condition；
Judge whether the discharge capacity standard parameter and currently practical remaining active volume percentage meet the second preset condition；
If satisfied, then determining that the battery currently needs to carry out SOH amendment.
3. method according to claim 2, which is characterized in that the judgement discharge capacity standard parameter and currently practical residue
Whether active volume meets the second preset condition, comprising:
Calculate the difference between the discharge capacity standard parameter and currently practical remaining active volume percentage；
Judge whether the difference is greater than first threshold；
If so, determining that the discharge capacity standard parameter and currently practical remaining active volume meet the described second default item
Part.
4. the method as described in claim 1, which is characterized in that the judgement charging capacity standard parameter and the current charging
Whether capacity meets the first preset condition, comprising:
Calculate the difference between the charging capacity standard parameter and the present charged capacity；
Judge whether the difference is greater than second threshold；
If so, determining that the charging capacity standard parameter and the present charged capacity meet first preset condition.
5. a kind of correcting device of battery health degree SOH characterized by comprising
Whether monitoring modular, the battery for monitoring in present battery system need to carry out SOH amendment；
Detection module, for detecting whether the battery enters newest one after determining that present battery needs to carry out SOH amendment
Secondary charged state；
First obtains module, for determining that this is filled in real time when detecting that the battery enters newest primary charged state
The charging operating condition of electricity, and record the present charged capacity under current charging operating condition；
Second obtains module, joins for obtaining corresponding charging capacity standard from charging benchmark according to the current charging operating condition
Number；
Judgment module, for judging whether the charging capacity standard parameter and the present charged capacity meet the first default item
Part；
Computing module is used for when the charging capacity standard parameter and the present charged capacity meet the first preset condition,
Calculate corresponding actually available capacity under full power state；
Correction module, for according to actually available capacity corresponding under the full power state to it is described it is current charging operating condition under can
It is modified with capacity.
6. device as claimed in claim 5, which is characterized in that the monitoring modular includes:
First acquisition unit, for obtaining the present discharge operating condition of the battery system, and according to the present discharge operating condition from
Corresponding discharge capacity standard parameter is obtained in electric discharge benchmark；
Second acquisition unit, for obtaining the battery system for the currently practical remaining active volume under the electric discharge operating condition
Percentage；
Judging unit, for judging whether the discharge capacity standard parameter and currently practical remaining active volume percentage meet
Second preset condition；
Determination unit, it is pre- for meeting second in the discharge capacity standard parameter and currently practical remaining active volume percentage
If when condition, determining that the battery currently needs to carry out SOH amendment.
7. device as claimed in claim 6, which is characterized in that the judging unit is specifically used for:
Calculate the difference between the discharge capacity standard parameter and currently practical remaining active volume percentage；
Judge whether the difference is greater than first threshold；
If so, determining that the discharge capacity standard parameter and currently practical remaining active volume meet the described second default item
Part.
8. device as claimed in claim 5, which is characterized in that the judgment module includes:
Computing unit, for calculating the difference between the charging capacity standard parameter and the present charged capacity；
Judging unit, for judging whether the difference is greater than second threshold；
Judging unit, for when the difference is greater than second threshold, determining the charging capacity standard parameter and described current
Charging capacity meets first preset condition.
9. a kind of electric car, which is characterized in that including memory, controller and be stored on the memory and can be described
The computer program run on controller when the controller executes described program, realizes such as any one of claims 1 to 4
The modification method of the battery health degree SOH.
10. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the journey
The modification method of battery health degree SOH according to any one of claims 1 to 4 is realized when sequence is executed by processor.
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507611B (en) * | 2018-11-22 | 2020-07-28 | 安徽江淮汽车集团股份有限公司 | SOH correction method and system for electric vehicle |
| CN109728625B (en) * | 2018-12-29 | 2021-01-01 | 浙江南都电源动力股份有限公司 | SOC calibration method, device and system for energy storage of data center |
| CN110518299B (en) * | 2019-06-17 | 2022-12-09 | 连恩微电子有限公司 | Battery management system |
| CN112147524B (en) * | 2019-06-28 | 2022-04-15 | 比亚迪股份有限公司 | Battery capacity calibration method and device, storage medium and electronic equipment |
| CN110308404A (en) * | 2019-07-04 | 2019-10-08 | Oppo广东移动通信有限公司 | A kind of battery screening technique, device and computer readable storage medium |
| CN113442784A (en) * | 2020-03-25 | 2021-09-28 | 北京新能源汽车股份有限公司 | Storage battery monitoring method and device and electric automobile |
| CN111366865B (en) * | 2020-03-25 | 2023-04-21 | 松下电器机电（中国）有限公司 | Calculation method for battery health degree |
| CN113740745A (en) * | 2020-05-29 | 2021-12-03 | 北京金风科创风电设备有限公司 | Battery detection method, device, medium and system |
| CN111969263B (en) * | 2020-07-20 | 2021-10-26 | 浙江吉智新能源汽车科技有限公司 | Method and device for updating SOH of battery pack in charging and replacing power station |
| CN111983495A (en) * | 2020-09-02 | 2020-11-24 | 海马汽车有限公司 | Battery pack health degree determination method and related device |
| CN112290513A (en) * | 2020-11-16 | 2021-01-29 | Oppo广东移动通信有限公司 | Terminal and battery safety management method and device thereof |
| CN112731187A (en) * | 2020-12-25 | 2021-04-30 | 广西宁达汽车科技有限公司 | Battery capacity correction method and battery management system |
| CN113433466A (en) * | 2021-05-28 | 2021-09-24 | 北京元代码科技有限公司 | New energy automobile power battery detection method and system |
| CN114994539A (en) * | 2022-05-19 | 2022-09-02 | 深圳市道通合创新能源有限公司 | Method, device and system for detecting health state of battery |
| CN116707050B (en) * | 2022-09-28 | 2024-04-12 | 荣耀终端有限公司 | Method and device for recording charge and discharge times, electronic equipment and readable storage medium |
| CN116667504B (en) * | 2023-07-26 | 2024-01-09 | 徐州徐工汽车制造有限公司 | Charging system, method, apparatus, and non-transitory computer readable storage medium |
| CN116754980B (en) * | 2023-08-14 | 2024-01-05 | 宁德时代新能源科技股份有限公司 | Method, device, power consumption device and storage medium for determining SOH value of battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340689A (en) * | 2016-11-21 | 2017-01-18 | 上海航天电源技术有限责任公司 | Battery pack system capacity self-learning method |
| CN106842065A (en) * | 2017-04-10 | 2017-06-13 | 北京新能源汽车股份有限公司 | The preparation method and device of a kind of cell health state |
| CN107003359A (en) * | 2014-11-28 | 2017-08-01 | 雷诺有限合伙公司 | The automatic estimating method of the capacity of the battery unit of battery pack |
-
2017
- 2017-11-22 CN CN201711174186.2A patent/CN107910607B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107003359A (en) * | 2014-11-28 | 2017-08-01 | 雷诺有限合伙公司 | The automatic estimating method of the capacity of the battery unit of battery pack |
| CN106340689A (en) * | 2016-11-21 | 2017-01-18 | 上海航天电源技术有限责任公司 | Battery pack system capacity self-learning method |
| CN106842065A (en) * | 2017-04-10 | 2017-06-13 | 北京新能源汽车股份有限公司 | The preparation method and device of a kind of cell health state |
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