CN104598714B - The active volume calculation apparatus and method and machine readable recording medium of vehicle battery - Google Patents
The active volume calculation apparatus and method and machine readable recording medium of vehicle battery Download PDFInfo
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- CN104598714B CN104598714B CN201410520057.4A CN201410520057A CN104598714B CN 104598714 B CN104598714 B CN 104598714B CN 201410520057 A CN201410520057 A CN 201410520057A CN 104598714 B CN104598714 B CN 104598714B
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
According to the available residual capacity calculation apparatus of the battery of one embodiment of the invention, including：Fully charged capacity calculation unit, calculate the fully charged capacity of relativity of current SOH (State Of Health health status) state according to battery；Energy reserves capacity calculation unit, calculate the current workable energy reserves capacity of the battery；Relativity charged state calculation unit, using the fully charged capacity of the relativity calculated out and the energy reserves capacity of calculation, calculate the relativity charged state of the battery；And actually available energy conversion capacity calculation unit, it is contemplated that actually available energy conversion capacity is calculated according to the SOC of the relativity charged state of calculation and Car design (State Of Charge charged states) usable ranges.
Description
Technical field
Embodiments of the invention are related to the available residual capacity calculation of battery, for example, relating to calculate Vehicular battery
The available residual capacity calculation apparatus and method of the vehicle battery of residual capacity, and computer-readable record matchmaker can be used
Body.
Background technology
The crisis of atmosphere pollution and oil exhaustion is tackled, electric energy is just used the electronics vapour for vehicle power in active development
The related technology of car (electric vehicle).Battery system includes high-voltage battery group, the PRA for controlling discharge and recharge
Air blower, the safety device of (Power relay assay, power relay detection), cooling performance for improving battery pack
I.e. safety plug (Safety plug), wire harness, monitoring and control the status information of battery pack battery management system (BMS,
Battery Management System- battery management systems) and works etc..Residual capacity calculates the electricity of monitoring battery pack
Pressure, electric current, temperature etc., the performance-relevant parameter with battery system is calculated according to use environment and maked corrections, and be communicated to
BMS and driver.
The charged state (State Of Charge- charged states, hereinafter referred to as SOC) of battery can not be determined directly, can be indirect
Using Current integrating method (Coulomb counting, coulomb count), (Open circuit voltage, are opened potentiometric
Road voltage), discharge power scaling method (Look up table, the table of comparisons), impedance measurements (Impedance tracking, resistance
Anti- tracking) etc. calculation method calculate.Conventional art is comprehensive at least two methods using in the calculation method.According to
The difference for the algorithm that SOC for predicting actual battery is calculated, the battery charging and discharging evaluated error of calculation are also different.Also,
The electrochemical parameter of the degeneracy according to actual battery and calculated value generation change at initial stage can not be considered.Therefore, conventional art
Situation be, as the scope that hypotheses SOC is 0% to 100%, according to vehicle environmental, the selectivity from the algorithm
Select multiple algorithms and predict the SOC of actual battery in ground.
In addition, SOC, according to the vehicle data using battery system, energy usable range can become different.Battery system quilt
For the driving capacity to the drive motor reception and registration energy, HSG (the Hybrid Starter＆ of the start power generation for vehicle at initial stage
Generator, mixed type starter and generator) capacity, vehicle electric field load capacity, the pressure of air-conditioning and heater loads
The energy power supply of contracting machine (compressor) capacity etc..
It is also, also different according to the difference of power train (Power train) structure of automobile, SOC usable range.Example
Such as, hybrid power uses SOC20% to 80%, and plug-in hybrid electric vehicle uses SOC15% to 90%, and electronic car uses
SOC5% to the 95% available energy.
Also, set the available energy of battery system according to the loading condiction of each vehicle and the condition of service life is met
Scope.Assuming that when the energy capacity of battery system is 100Wh/kg, motor vehicle driven by mixed power has the 60% available energy, plug-in
Hybrid power is the 75% available energy, and electric car can be estimated as the 90% available energy.But ring is used according to automobile
Border, the available energy of each vehicle can pass through degenerative process and be reduced than initial stage.It is therefore desirable to be able to being drilled by traditional SOC
The SOC of calculation method calculation is scaled active volume (capacity available) calculation method.
Patent document
1. Korean Patent Application No KR2012-0137574A
The content of the invention
(technical problems to be solved)
Embodiments of the invention provide the available residual capacity calculation method of a kind of vehicle battery and computer-readable
Record media, the SOC calculated by SOC calculation methods can be scaled active volume.
Also, embodiments of the invention provide a kind of available the residual capacity calculation method and computer of vehicle battery can
The record media of reading, the active volume of the design condition according to vehicle can be scaled.(means for solving problem)
The available residual capacity calculation apparatus of vehicle battery according to an embodiment of the invention, including：
Fully charged capacity calculation unit, calculate current SOH (State Of Health- health status) shape according to battery
The fully charged capacity of relativity of state；
Energy reserves capacity calculation unit, calculate the current workable energy reserves capacity of the battery；
Relativity charged state calculation unit, held using the fully charged capacity of the relativity calculated out and the energy reserves of calculation
Amount, calculate the relativity charged state of the battery；And
The actually available energy converts capacity calculation unit, it is contemplated that according to the relativity charged state of calculation and Car design
SOC (State Of Charge- charged states) usable ranges and calculate actually available energy conversion capacity.
At this moment, the actually available energy converts capacity calculation unit to utilize the reality accumulated in certain period can
The replaceable period of the battery is calculated with energy conversion capacity, actually available energy conversion capacity is sent to battery management
System (Battery Management System- battery management systems) or vehicle control device (Hybrid Control Unit-
Hybrid controller).
Also, the fully charged capacity of relativity, according to mathematical expression RFCC=FCC-, (FCC × actual battery charging is held
The drop-out value % of amount) and calculate, FCC is defined as the fully charged capacity of the battery before vehicle installation, and actual battery charging is held
The drop-out value of amount is defined as the information for reflecting the temporal information that the battery is used.
Also, the drop-out value of the actual battery charging capacity, with the fully charged of the battery that is installed to before the vehicle
Be worth on the basis of capacity, reflect the information of the charging capacity of the battery, the information of the usage amount of the battery, the battery it is surplus
The information of covolume amount and from least one information in the temporal information of installation at initial stage of battery time point up to the present.
Also, the calculating of the FCC utilizes CC/CV (Constant Current/Constant Voltage- constant currents/perseverance
Pressure) method.
Also, the energy reserves capacity be the battery current energy reserves capacity, Current integrating method (Coulomb
Counting), potentiometric (Open circuit voltage), discharge power scaling method (Look up table) and resistance
At least using a calculation in anti-determination method (Impedance tracking) calculation method.
Also, the relativity charged state passes through mathematical expressionCalculate, RC is defined as the energy reserves
Capacity, RFCC are defined as the fully charged capacity of the relativity.
Also, the actually available energy conversion capacity of the vehicle passes through mathematical expression
Calculate, RSOC is defined as the relativity charged state, available battery capacity be defined as environmental information based on the vehicle and
Health status (the SOH of the battery：State Of Health) information that calculates of information.
Also, the environmental information of the vehicle, including preset the vehicle of different settings according to the species of the vehicle
Kind of information and according to powertrain arrangement species preset different settings power train information in it is at least one.
Also, the vehicle is HEV (Hybrid Electric Vehicle- hybrid vehicles), PHEV (Plug-in
Hybrid Electric Vehicle- plug-in hybrid-power automobiles) and EV (Electric Vehicle) in it is any one
It is individual.
Also, the charged state of the relativity is considered the SOC of the battery whole usable range and calculated.
Also, the fully charged capacity of relativity calculates process to actually available energy conversion capacity calculation process and only existed
Performed during the request of BMS (Battery Management System- battery management systems) or host controller.
In addition, the battery that another embodiment of the present invention provides can use residual capacity calculation method, including：Relativity
Fully charged capacity calculates process, calculates the phase of current SOH (State Of Health- health status) state according to battery
To the fully charged capacity of property；Energy reserves capacity calculates process, calculates the current workable energy reserves capacity of the battery；
Relativity charged state calculates process, is calculated using the fully charged capacity of the relativity of calculation and the energy reserves capacity of calculation
The relativity charged state of the battery；And actually available energy conversion capacity calculation process, it is contemplated that according to the relative of calculation
SOC (the State Of Charge- charged states) usable ranges of property charged state and Car design and calculate the actually available energy
Convert capacity.
Also, it is described to use residual capacity calculation method, in addition to：The actually available energy conversion capacity is sent to
Battery management system (Battery Management System- battery management systems) or vehicle control device (Hybrid
Control Unit- hybrid controllers) process；And the actually available energy conversion using accumulation in certain period
Capacity and the process for calculating the replaceable period of the battery.
In addition, computer-readable record can be saved in the information of the active volume calculation method of vehicle battery
Media.This record media includes the record media for preserving all kinds of the program that can be read by computer system and data.
For example, read-only storage (ROM：Read Only Memor y), random access memory (RAM：Random Access Memory)、
CD (Compact Disk, CD), DVD (Digital Video Disk, digital video disc)-ROM, tape, floppy disc, optics
Data storage apparatus, embedded multi-media card (eMMC) etc., also, also include electric wave (for example, the transmission for passing through internet) shape
What state was presented.Also, this record media is distributed to the computer system with network connection, by dispersing mode, can preserve
And perform computer-readable code.
(The effect of invention)
According to an embodiment of the invention, SOC can be scaled active volume.
In embodiments of the invention, it can convert as the active volume of the design condition according to vehicle.
Brief description of the drawings
Fig. 1 is the block diagram of the available residual capacity calculation apparatus of vehicle battery according to embodiments of the present invention.
Fig. 2 is the stream of the operating of the available residual capacity calculation method of diagram vehicle battery according to embodiments of the present invention
Cheng Tu.
Embodiment
Below, the exemplary embodiments according to the present invention are described in detail referring to the drawings described content.But this hair
It is bright to be not limited to the exemplary embodiments.Also, identical reference marks shown in the drawings is substantially represented with identical
The part of function.
1st, 2nd etc. the term comprising ordinal number can be used for illustrating different inscapes, but the inscape and unlimited
Due to the term.The term is served only for distinguishing another inscape from an inscape.For example, do not depart from the present invention's
In the case of interest field, the 1st inscape can be named as the 2nd inscape, identical with this, and the 2nd inscape also can quilt
It is named as the 1st inscape.Term used herein is simply to illustrate that specific embodiment, is not intended to limitation originally
Invention.In addition to having the clearly different meanings on context, odd number includes plural number.
In view of function in the present invention, to the term used in the present invention, have selected as far as possible now widely used
General term, it can be changed according to the intention of those skilled in the relevant art or legal precedent, the appearance of new technology etc..It is also, special
In the case of fixed, the optional term of applicant is there is also, at this moment, it will be recorded in detail in the declaratives accordingly invented
The meaning.Therefore, the term used in the present invention is not the title of simple term, and should be based on the meaning possessed by the term
Think and the present invention entire content and be defined.
Throughout the specification, in addition to having particular provisions, certain a part of " including " a certain inscape does not imply that row
Except other inscapes, and refer to may also include other inscapes.Also, described in specification " ... portion ", " module ",
Terms such as " blocks " refers to handle at least one function or the unit of operating, can be rendered as hardware or software or hardware and software
With reference to.
Traditional general battery system SOC calculation methods are that the whole capacity of the energy is assumed SOC0% to 100%
The calculation method of scope.Also, according to that can use energy setting range in the discharge and recharge configuration file of battery, the workable energy holds
Amount can be different, because of usage time and different according to the degree of degeneration of the battery of the use environment of battery, the capacity with design at initial stage
It is different.
The available residual capacity calculation method of vehicle battery according to an embodiment of the invention, in order to make up the tradition
SOC calculation methods the shortcomings that, generation reflects the state for the battery for being installed to current vehicle and the Environmental parameter of vehicle
The information of the actually available energy conversion capacity of vehicle, the battery active volume (Battery to determining time point is provided to user
Remaining capacity available) information.Information of the driver based on offer, judge to be disappeared according to the energy of vehicle
Take management and the actual travel distance of the energy can be used.
In addition, in order to help to understand the available residual capacity calculation side of vehicle battery according to an embodiment of the invention
Method, by following content-defined term.
The fully charged capacity of relativity according to an embodiment of the invention (Relative Full Charge Capacity,
Hereinafter referred to as RFCC) in, traditional fully charged capacity represents the fully charged capacity set to the pure battery before vehicle, but root
When the reality for the health status according to battery for being arranged on current vehicle according to the RFCC expressions of embodiments of the invention is fully charged
Workable capacity, is defined as mathematical expression.
RFCC=FCC- (the drop-out value % of FCC × actual battery charging capacity)
Here, the fully charged capacity of the battery before FCC represents to be installed to vehicle, the decline of actual battery charging capacity
Value % represents to be installed to vehicle and reflect the drop-out value of the charging capacity of the actual battery of time used.To actual battery
The information of the drop-out value of charging capacity is using the fully charged capacity of the pure battery before being installed to vehicle time point initial stage as 100%
A reference value, including the information of charging capacity, the information of battery usage amount, the information of the residual capacity of battery, battery installation at initial stage
At least one in the information of the time of time point up to the present and calculate.For example, the FCC of initial cell value is
10Ah, battery set-up time, if the drop-out value of the charging capacity of battery is 10%, can not calculate actual battery to the time point of 5 years
The drop-out value (RFCC) of charging capacity be 9Ah.
Relativity charged state according to an embodiment of the invention (Relative State Of Charge- charged states,
Hereinafter referred to as RSOC) be available residual capacity calculation method for vehicle battery according to an embodiment of the invention algorithm,
It is defined as mathematical expression.
Here, RSOC represent current battery energy reserves capacity divided by it is fully charged when the fully charged capacity predicted
Value, RC represent that the energy reserves capacity of current battery, and RFCC represent the fully charged capacity of relativity.
Actually available energy conversion capacity (the Automotive Relative State Of Charge- charging shapes of vehicle
State, hereinafter referred to as ARSOC) be available residual capacity calculation method for vehicle battery according to an embodiment of the invention calculation
Method, it is defined as mathematical expression.
Here, available battery capacity is the battery based on the environmental information by vehicle and battery management system (BMS) offer
Health status (SOH, State Of Health- health status) information and the information that generates.
The environmental information of vehicle include according to vehicle species preset different setting values vehicle class information, by
According to powertrain arrangement species preset different setting values parameter information power train information.
Vehicle class information and power train information can in advance by the data sheet form with the other information matches of each vehicle model,
It is saved in record media in vehicle (not shown).
The other information of vehicle model includes the other information of EV (Electric Vehicle) vehicle model, BEV (Battery
Electric Vehicle) the other information of vehicle model, HEV (Hybrid Electric Vehicle- hybrid vehicles) vehicle
The other information of model, PHEV (Plug-in Hybrid Electric Vehicle- plug-in hybrid-power automobiles) vehicle model are other
Information, FCEV (Fuel Cell Electric Vehicle- fuel cell electric vehicles) the other information of vehicle model and NEV
It is at least one in (vehicle near Neighborhood Eclectic Vehicle-) other information of vehicle model.
Reference the following drawings, illustrate the available residual capacity calculation apparatus of vehicle battery according to an embodiment of the invention
And method.
Fig. 1 is the block diagram of the available residual capacity calculation apparatus of vehicle battery according to an embodiment of the invention.Reference
Fig. 1, the available residual capacity calculation apparatus 100 of battery is by battery 110, BMS (Battery Management System- batteries
Management system) 120, control unit 130 and host controller 140 etc. form.
Battery 110 is made up of battery unit series winding (not shown) and/or parallel connection, and the battery unit can be nickel metal electricity
The environmentally friendly Vehicular battery such as pond, lithium ion battery.
Here, by taking Cleaning Equipment as an example, including EV (Electric Vehicle, electronic car), HEV (Hybrid
Electric Vehicle- hybrid vehicles), (Plug-in Hybrid Electric Vehicle- are plug-in mixed by PHEV
Close power vehicle), fuel-cell vehicle etc..
BMS120, which has, maintains and manages the function of battery 110.Furtherly, the voltage and/or electric current of battery 110 are sensed
And/or the battery information such as temperature or perform to the electric quantity balancing of battery 110.Also, this battery information is sent to upper control
Device processed.
Host controller 140 refers to HCU (Hybrid Control Unit- hybrid controllers), ECU (Electric
Control Unit- electronic control units) etc..
Control unit 130 includes：Fully charged capacity calculation unit 131, calculate current SOH (the State Of according to battery 110
Health- health status) state the fully charged capacity of relativity；Energy reserves capacity calculation unit 133, calculates the battery
110 current workable energy reserves capacity；Relativity charged state calculation unit 135, filled completely using the relativity of calculation
Capacitance and the energy reserves capacity of calculation and calculate the relativity charged state of the battery 110；Actually available energy conversion
Capacity calculation unit 137, it is contemplated that according to the SOC of the relativity charged state of calculation and Car design (State Of Charge-
Charged state) usable range, calculates actually available energy conversion capacity.
Although separately illustrating control unit 130 in Fig. 1, BMS can also be merged into.
Fig. 2 is the operating for the available residual capacity calculation method for illustrating vehicle battery according to an embodiment of the invention
Flow chart.Reference picture 2, first, the available residual capacity calculation apparatus of vehicle battery according to an embodiment of the invention can
The solicited message (S210) of residual capacity can be used by receiving request calculation battery.
Furtherly, only in BMS (Battery Management System- battery management systems) or upper control
During the request of device, S220 to S260 is just performed.
Request calculation battery can be able to be by battery management system (Battery with the solicited message of residual capacity
Management System- battery management systems, hereinafter referred to as BMS), host controller be vehicle control device (Hybrid
Control Unit- hybrid controllers) etc. at least one transmission in vehicle in other control units information.Also, remove
Being arranged on beyond the control unit of vehicle, can also be by can be drilled with the available residual capacity of the vehicle battery of the present invention
Calculate the information that any electronic installation that device is communicated is sent.
Then, the available residual capacity calculation apparatus of vehicle battery can calculate the fully charged capacity of relativity (RFCC)
(S220).RFCC is workable capacity when the reality of the health status for the battery that basis is arranged on current vehicle is fully charged,
It can be calculated by following mathematical expression.
RFCC=FCC- (the drop-out value % of FCC × actual battery charging capacity)
Here, FCC represents the fully charged capacity of vehicle installation battery, and the drop-out value of actual battery charging capacity represents peace
It is attached to vehicle and reflects the drop-out value of the charging capacity of the actual battery of the time of actual use.
To the information of the drop-out value of the charging capacity of actual battery to be installed to the pure battery before vehicle time point initial stage
Fully charged capacity is 100% a reference value, includes the remaining appearance of the information of charging capacity, the information of battery usage amount, battery
The information of amount, battery are installed at least one in the information of the time of time point up to the present initial stage.
Then, the available residual capacity calculation apparatus of vehicle battery can calculate the energy reserves capacity (RC) of current battery
(S230).RC is the energy reserves capacity of current battery, and Current integrating method (Coulomb counting), voltage determination can be used
Method (Open circuit voltage), discharge power scaling method (Look up table), impedance measurements (Impedance
) etc. tracking at least one in calculation method calculates.
Afterwards, the available residual capacity calculation apparatus of vehicle battery can calculate relativity charged state (RSOC)
(S240).RSOC represents relativity charged state, can be calculated by following mathematical expression.
Here, RC represents the energy reserves capacity of current battery, and RFCC represents the fully charged capacity of relativity.
Especially, the charged state of relativity consider the SOC of battery usable range it is whole (that is, SOC0~
100%) calculate.
The available residual capacity calculation apparatus of vehicle battery can calculate the actually available energy conversion capacity of vehicle
(ARSOC)(S250).ARSOC is calculated by following mathematical expression.
Here, available battery capacity is the battery based on the environmental information by vehicle and battery management system (BMS) offer
Health status (SOH) information based on and generate information.
Afterwards, the actually available energy conversion capacity letter of the available residual capacity calculation apparatus generation vehicle of vehicle battery
Cease and transmit (S260).The actually available energy of vehicle convert capacity information based on the ARSOC calculated during the S250 and
Generation.
Also, the available residual capacity calculation apparatus of vehicle battery can change the actually available energy of the vehicle of generation
Calculate capacity information and be sent to battery management system or vehicle control device (HCU, ECU etc.).
Also, the available residual capacity calculation apparatus of vehicle battery, which converts the actually available energy of the vehicle of generation, to be held
Amount information is saved in the vehicle for the actually available energy conversion capacity information for having preserved existing vehicle and preserves media (not shown).
Also, the actually available energy of the available residual capacity calculation apparatus based on the vehicle preserved of vehicle battery changes
Calculate capacity information and calculate the replaceable period of battery, so as to generate battery altering temporal information.Battery altering temporal information base
Generated in the fuel consumption efficiency of relativity charging status information and vehicle.
Also, the available residual capacity calculation apparatus of vehicle battery can transmit the battery altering temporal information generated
To battery management system or vehicle control device.
In addition, the available residual capacity calculation method of above-mentioned vehicle battery according to an embodiment of the invention is rendered as
Program command form that can be by a variety of computer meanses to perform, can be saved in computer-readable record media.The meter
Calculation machine readable media includes program command, data file, data structure etc. or these combination.The program for being saved in media
Order be in order to the present invention and be specifically designed or form or the technical staff of computer software industry well known to and can
Use.Computer-readable recording medium includes the magnetic mediums (magnetic media) such as hard disk, floppy disc and tape；CD-
The optical storage medias such as ROM, DVD (optical media)；The magnet-optical mediums such as soft CD (floptical disk)
(magneto-optical media) and read-only storage (ROM), random access memory (RAM), flash memory etc. can be preserved and performed
The hardware unit with special construction of program command.Program command is except the machine language generation including being completed according to compiler
Beyond code, interpretive program, the executable higher-level language code of computer also include the use of.To realize the operating of the present invention,
The hardware unit may be configured as starting by more than one software module, and vice versa.
As described above, this hair is illustrated according to the specific item such as specific inscape and the embodiment and the accompanying drawing that limit
It is bright, but this is intended merely to that the present invention can be explained more fully, without referring to that the present invention is defined in the embodiment, the present invention
The people that art has general knowledge can carry out a variety of modifications and changes by the record.
Therefore, technological thought of the invention can not be confined to the embodiment of explanation, be not only Patent right requirement described later
Scope, and all with right equalization or with equal deformation belong to the category of the technology of the present invention thought.
Claims (13)
1. a kind of available residual capacity calculation apparatus of battery, including：
Fully charged capacity calculation unit, calculate the fully charged capacity of relativity according to the current health status of battery；
Energy reserves capacity calculation unit, calculate the current workable energy reserves capacity of the battery；
Relativity charged state calculation unit, using the fully charged capacity of the relativity calculated out and the energy reserves capacity of calculation,
Calculate the relativity charged state of the battery；And
Actually available energy conversion capacity calculation unit, it is contemplated that according to the relativity charged state of calculation and the charging of Car design
State usable range and calculate actually available energy conversion capacity,
The actually available energy conversion capacity of the vehicle passes through mathematical expression
Calculate, RSOC is defined as the relativity charged state, and available battery capacity is defined as the environment letter based on the vehicle
The information that the health status information of breath and the battery calculates.
2. the available residual capacity calculation apparatus of battery according to claim 1, it is characterised in that
The actually available energy conversion capacity calculation unit is changed for the actually available energy of interior accumulation during utilizing necessarily
Calculate capacity and calculate the replaceable period of the battery, actually available energy conversion capacity is sent to battery management system or car
Controller.
3. the available residual capacity calculation apparatus of battery according to claim 1, it is characterised in that
The fully charged capacity of relativity, according to the mathematical expression RFCC=FCC- (declines of FCC × actual battery charging capacity
Value %) and calculate, FCC is defined as the fully charged capacity of the battery before vehicle installation, the decline of actual battery charging capacity
Value is defined as the information for reflecting the temporal information that the battery is used.
4. the available residual capacity calculation apparatus of battery according to claim 3, it is characterised in that
The drop-out value of the actual battery charging capacity, on the basis of the fully charged capacity for the battery being installed to before the vehicle
Value, reflects the information of the charging capacity of the battery, the information of the usage amount of the battery, the letter of the residual capacity of the battery
Cease and at least one information in the temporal information of time point up to the present is installed from the initial stage of the battery.
5. the available residual capacity calculation apparatus of battery according to claim 3, it is characterised in that
The calculating of the FCC utilizes constant current/constant voltage method.
6. the available residual capacity calculation apparatus of battery according to claim 1, it is characterised in that
The energy reserves capacity is the current energy reserves capacity of the battery, in Current integrating method, potentiometric, electric discharge
At least using a calculation in power conversion method and impedance measurements calculation method.
7. the available residual capacity calculation apparatus of battery according to claim 1, it is characterised in that
The relativity charged state passes through mathematical expressionCalculate, RC is defined as the energy reserves capacity, RFCC
It is defined as the fully charged capacity of the relativity.
8. the available residual capacity calculation apparatus of battery according to claim 7, it is characterised in that
The environmental information of the vehicle, including according to the species of the vehicle vehicle class information of default different settings and
Species according to powertrain arrangement is preset at least one in the power train information of different settings.
9. the available residual capacity calculation apparatus of battery according to claim 1, it is characterised in that
The vehicle is any one in hybrid vehicle, plug-in hybrid-power automobile and electric automobile.
10. the available residual capacity calculation apparatus of battery according to claim 1, it is characterised in that
The charged state of the relativity is considered the whole usable range of the charged state of the battery and calculated.
11. the available residual capacity calculation apparatus of battery according to claim 1, it is characterised in that
The fully charged capacity of relativity calculates process to actually available energy conversion capacity calculation process, only in battery management
Performed during the request of system or host controller.
12. a kind of available residual capacity calculation method of battery, including：
The fully charged capacity calculation process of relativity, the fully charged appearance of relativity is calculated according to the current health status of battery
Amount；
Energy reserves capacity calculates process, calculates the current workable energy reserves capacity of the battery；
Relativity charged state calculates process, using the fully charged capacity of the relativity of calculation and the energy reserves capacity of calculation
Calculate the relativity charged state of the battery；And
Actually available energy conversion capacity calculation process, it is contemplated that according to the relativity charged state of calculation and filling for Car design
Electricity condition usable range and calculate actually available energy conversion capacity,
The actually available energy conversion capacity of the vehicle passes through mathematical expression
Calculate, RSOC is defined as the relativity charged state, and available battery capacity is defined as the environment letter based on the vehicle
The information that the health status information of breath and the battery calculates.
13. the available residual capacity calculation method of battery according to claim 12, it is characterised in that
Also include：
The actually available energy conversion capacity is sent to the process of battery management system or vehicle control device；And
The replaceable period for calculating the battery using the actually available energy conversion capacity accumulated in certain period
Process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0130969 | 2013-10-31 | ||
| KR1020130130969A KR102177723B1 (en) | 2013-10-31 | 2013-10-31 | Computations method and computer readable recording medium for vehicle battery remaining capacity available |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104598714A CN104598714A (en) | 2015-05-06 |
| CN104598714B true CN104598714B (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410520057.4A Active CN104598714B (en) | 2013-10-31 | 2014-09-30 | The active volume calculation apparatus and method and machine readable recording medium of vehicle battery |
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| Country | Link |
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| KR (1) | KR102177723B1 (en) |
| CN (1) | CN104598714B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102091340B1 (en) * | 2018-12-11 | 2020-03-19 | 연세대학교 산학협력단 | Battery level indicator and method displaying battery level thereof |
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| CN104598714A (en) | 2015-05-06 |
| KR20150049860A (en) | 2015-05-08 |
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