CN107415721A - For running method, battery management system and the battery system of battery system - Google Patents

For running method, battery management system and the battery system of battery system Download PDF

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Publication number
CN107415721A
CN107415721A CN201710300614.5A CN201710300614A CN107415721A CN 107415721 A CN107415721 A CN 107415721A CN 201710300614 A CN201710300614 A CN 201710300614A CN 107415721 A CN107415721 A CN 107415721A
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China
Prior art keywords
battery
power
extreme value
distribution factor
voltage
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Granted
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CN201710300614.5A
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CN107415721B (en
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C.沃尔
F.克莱因
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Robert Bosch GmbH
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Robert Bosch GmbH
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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
    • 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
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by 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
    • 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
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/13—Maintaining the SoC within a determined range
    • 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
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/19—Switching between serial connection and parallel connection of battery modules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/448—End of discharge regulating measures
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/18—The network being internal to a power source or plant
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

For running method, battery management system and the battery system of battery system.The present invention relates to the method for running battery system, wherein the power to be provided by high energy battery and high-power battery is divided into according to distribution factor by the power that battery system provides, wherein distribution factor determines according to specified distribution factor, and wherein specified distribution factor calculates according to the effective energy of high energy battery and high-power battery.The present invention also relates to the battery management system for running such battery system, the battery management system is established as that the power to be provided by high energy battery and high-power battery will be divided into by the power that battery system provides according to distribution factor, wherein distribution factor can determine according to specified distribution factor, and rated value maker is provided with, the rated value maker determines specified distribution factor according to the effective energy of high energy battery and high-power battery.The invention further relates to the battery system for including the battery management system according to the present invention.

Description

For running method, battery management system and the battery system of battery system
Technical field
The present invention relates to a kind of method for running battery system, the battery system includes high energy battery and Gao Gong Rate battery, wherein be divided into will be by power that the high energy battery provides and will be by institute for the power provided by the battery system The power of high-power battery offer is provided.The present invention also relates to a kind of battery management system for being used to run such battery system with A kind of and battery system for including such battery management system.
Background technology
Battery system, the battery system especially in electro-motive vehicle should be designed so that the battery system can expire Requirement of the sufficient automaker in terms of the energy that can be dominated and the power that can be called.Known following high energy battery, the height Energy cell has bigger memory capacity and therefore can store bigger energy.Additionally known following high power electricity Pond, the releasable bigger power of the high-power battery, bigger power is for example discharged in the form of high current.High power Battery for example may be implemented as capacitor.
In order to meet energy requirement and power requirement with this battery that can be dominated, known following hybrid battery system, The hybrid battery system has the combination being made up of high energy battery and high-power battery.This hybrid battery system needs one Kind operation reserve, for being manipulated according to current loading condition, i.e. under motor-type operation and under generator-type operation The high energy battery and the high-power battery.
Battery system also includes a kind of battery management system, and the battery management system is used for according to current loading condition Manipulate the high energy battery and the high-power battery.On the other hand, the battery management system possesses following corresponding software, The corresponding software has the method for being used for running corresponding battery system.
From a kind of battery system known in US 2014/0203633, the battery system includes being used for the high energy for driving vehicle Measure battery and high-power battery.A kind of method for running the battery system is also illustrated, according to methods described especially root The charging process or discharge process for making the high-power battery according to the charged state of the high-power battery distinguish order of priority （priorisieren）.
Equally, high energy battery and height are included from a kind of battery system known in US 2012/0025744, the battery system Capacity cell.The battery system can especially be run by the high-energy method of operation and in a manner of high power operation, described The high energy battery is discharged under the high-energy method of operation, put the high-power battery under the high power operation mode Electricity.It is also equipped with for the method for operation to the high energy battery and high-power battery charging.
The content of the invention
A kind of method for running battery system, especially hybrid battery system is proposed, the battery system includes High energy battery and high-power battery.Will be by here, to be divided into by the power that the battery system provides according to distribution factor The power that the high energy battery provides and the power to be provided by the high-power battery.Here, the distribution factor according to The specified distribution factor that is calculated determines.
Preferably, distribution factor is the numeral between 0 to 1, wherein each value between 0 to 1 is for the distribution All it is possible for the factor.If distribution factor=1, then only will be by the battery to provide by high energy battery The power that system provides.In this case, the power contribution of high-power battery is zero.If distribution factor=0, then only Only the power to be provided by the battery system is provided by high-power battery.In this case, the work(of high energy battery Rate contribution is zero.
High energy battery possesses following effective energy, and the effective energy can be by measuring the charged state of high energy battery To determine.Equally, high-power battery possesses following effective energy, and the effective energy can be by measuring the charging of high-power battery State determines.Specified distribution factor is according to the effective energy of the high energy battery and the available energy of the high-power battery Measure to calculate.Here, the specified distribution factor is also in the numeral between 0 to 1, wherein each value pair between 0 to 1 All it is possible for specified distribution factor.
It is determined that during distribution factor, usually it is noted that following boundary condition, the boundary condition especially with high energy battery It is relevant with the characteristic of high-power battery.Especially, under certain conditions, it is impossible to realize distribution factor=1 and distribution factor= 0, in the distribution factor=1, the power to be provided by the battery system only is provided by high energy battery, During the distribution factor=0, only the power to be provided by the battery system is provided by high-power battery.
Thus, according to a favourable design of methods described, considering this and high energy battery and high power In the case of the relevant boundary condition of the characteristic of battery, the higher extreme value of the distribution factor and the distribution factor are determined Low extreme value.
Here, if specified distribution factor is more than identified higher extreme value, then the higher extreme value is assigned into institute State distribution factor.If specified distribution factor is less than identified low extreme value, then is assigned to the low extreme value described Distribution factor.If specified distribution factor is less than or equal to the higher extreme value and is more than or equal to the low extreme value, that The specified distribution factor is assigned to the distribution factor.Therefore, the distribution factor is in the higher extreme value all the time Between the low extreme value.
Mostly it should be noted that multiple do not force related, for determining distribution factor boundary condition each other.For example, this side Boundary's condition be related to will by battery system provide output voltage and high energy battery voltage and/or with high-power battery voltage it Than.For example, if the voltage of high energy battery is less than the output voltage to be provided by battery system, then higher extreme value must be small In 1.For example, if the voltage of high-power battery is less than the output voltage to be provided by battery system, then low extreme value It has to be larger than 0.Voltage higher extreme value and voltage low extreme value thus is determined.
Another boundary condition be related to will by battery system provide power with can by high energy battery provide power and/or With the power ratio that can be provided by high-power battery.If will be by battery for example, can be less than by the power of high energy battery offer The power that system provides, then higher extreme value is necessarily less than 1.Wanted for example, if the power that can be provided by high-power battery is less than The power provided by battery system, then low extreme value have to be larger than 0.Thus, equally also determine power higher extreme value and work( Rate low extreme value.
One according to methods described is advantageously improved scheme, and the higher extreme value of distribution factor is confirmed as identified electricity Higher extreme value and the minimum value in identified power higher extreme value are pressed, and the low extreme value of distribution factor is confirmed as being determined Voltage low extreme value and identified power low extreme value in maximum.
Herein, it is preferable that in the case where considering boundary condition above-mentioned, the voltage higher extreme value and the electricity Limiting value is depressed according to the output voltage and the voltage of high energy battery and/or high-power battery to be provided by battery system Voltage calculates.
Preferably, in the case where considering boundary condition above-mentioned, under the power higher extreme value and the power Limiting value also according to will by battery system provide power and can by high energy battery provide power and/or can be by high power The power that battery provides calculates.
It it is also proposed a kind of battery management system for being used to run battery system, especially hybrid battery system, the electricity Cell system includes high energy battery and high-power battery.The battery management system is established as will be by institute according to distribution factor The power for stating battery system offer is divided into the power to be provided by the high energy battery and provided by the high-power battery Power.Here, the distribution factor can determine according to the specified distribution factor calculated.
Preferably, distribution factor is the numeral between 0 to 1, wherein each value between 0 to 1 is for the distribution All it is possible for the factor.If distribution factor=1, then only high energy battery is provided and provided by the battery system Power.In this case, the power contribution of high-power battery is zero.If distribution factor=0, then only high power electricity Pond provides the power to be provided by the battery system.In this case, the power contribution of high energy battery is zero.
High energy battery possesses following effective energy, and the effective energy can be by measuring the charged state of high energy battery To determine.Equally, high-power battery possesses following effective energy, and the effective energy can be by measuring the charging of high-power battery State determines.Be provided with a kind of rated value maker, the rated value maker according to the effective energy of high energy battery with And the effective energy of high-power battery calculates specified distribution factor.Here, the specified distribution factor also in 0 to 1 it Between numeral, wherein for the specified distribution factor being possible in each value between 0 to 1.
According to the favourable design of the present invention, the battery management system includes assignment unit, the assignment The higher extreme value of distribution factor is defined as voltage higher extreme value and the minimum value in power higher extreme value, and the tax by unit The low extreme value of distribution factor is defined as voltage low extreme value and the maximum in power low extreme value by value cell.
If specified distribution factor is more than higher extreme value, then the higher extreme value is assigned to the distribution by assignment unit The factor.If specified distribution factor is less than low extreme value, then assignment unit by the low extreme value be assigned to the distribution because Son.If specified distribution factor is less than or equal to the higher extreme value and is more than or equal to the low extreme value, then assignment The specified distribution factor is assigned to the distribution factor by unit.
On the other hand, advantageously, the battery management system includes voltage computation unit, and the voltage computation unit is according to will be by Output voltage and the voltage of high energy battery and/or the voltage of high-power battery that battery system provides calculates pole on voltage Limit value and voltage low extreme value.
Advantageously, battery management system equally includes power calculation unit, and the power calculation unit is according to will be by battery Power that system provides and the power that can be provided by high energy battery and/or it can be calculated by the power that high-power battery provides Power higher extreme value and power low extreme value.
A kind of battery system is it is also proposed, the battery system includes the battery management system and high energy according to the present invention Measure battery and high-power battery.Preferably, the high energy battery and the high-power battery are connected and filled with power electronic Put connection.
Advantageously, according to the method for the present invention, the battery management system according to the present invention and the battery according to the present invention System is in electric vehicle（EV）In, in motor vehicle driven by mixed power（HEV）In, in plug-in hybrid vehicle（PHEV）In, light Type electric vehicle（LEV）In or in electric bicycle（E-Bike）In be applied.
Advantages of the present invention
Method according to the present invention allows to run hybrid battery system, the hybrid battery system especially in vehicle, the side Method ensure that the optimal manipulation to high energy battery and high-power battery.Thus, especially, the effect of battery system can be improved Rate and the whereby voyage of raising vehicle and the service life of battery system.This means in terms of economy and ecological view It is progressive.
Here, methods described is especially designed to following battery system, the battery system has and power electronic The series connection of the high energy battery and high-power battery of device connection.Preferably, it may be considered that there is the multistage inversion of transition joint Device, such as NPC inverter（Neutral point clamped multi diode（Neutral Point Clamped Diode））, as power electronic Device.
Brief description of the drawings
Embodiments of the present invention are further illustrated according to accompanying drawing and subsequent description.
Fig. 1 shows the schematic diagram of battery system, and
Fig. 2 shows the schematic diagram of the flow in battery management system.
Embodiment
In the subsequent description to embodiments of the present invention, same or similar key element with identical reference come Represent, wherein eliminating the repeated description to these key elements on rare occasion.The accompanying drawing simply schematically shows this The theme of invention.
Fig. 1 shows the schematic diagram of battery system 10, and the battery system 10 is connected with power electric device 23.In this feelings Under condition, power electric device 23 is configured to have the multi-level inverter of transition joint.It can be grasped by means of power electric device 23 Control the threephase motor 25 of vehicle.Battery system 10 can be run under motor-type operation and under generator-type operation, Under the motor-type operation, energy is released to motor 25 by battery system 10, under generator-type operation, battery system System 10 absorbs energy from motor 25.
Battery system 10 includes high energy battery 12 and high-power battery 14, the high energy battery 12 and the high power Battery 14 is connected and is connected with power electric device 23.High energy battery 12 has bigger memory capacity, and high power The releasable bigger power of battery 14, bigger power is especially discharged in the form of high current.
In addition, battery system 10 also includes battery management system 20, for running the battery system 10.Here, battery Management system 20 is equally for example connected with power electric device 23 by CAN.Battery management system 20 is controlled and monitored Battery system 10.
Under motor-type operation, motor 25 needs the power P EM to be provided by battery system 10.Here, described will The power P EM provided by battery system 10 is from high energy battery 12 and comes from high-power battery 14.Here, described will be by electricity The power P EM that cell system 10 provides is the power P HE to be provided by high energy battery 12 and provided by high-power battery 14 Power P HP sums：
PEM=PHE+PHP。
Fig. 2 shows the schematic diagram of the flow in battery management system 20.Here, described will be provided by battery system 10 The power P HE that to be provided according to distribution factor FP by being divided into as follows by high energy battery 12 of power P EM and will be by Gao Gong The power P HP that rate battery 14 provides：
PHE=FE*PEM
PHP=(1-FP)*PEM。
Therefore, distribution factor FP is the numeral between 0 to 1, wherein each value between 0 to 1 is for the distribution All it is possible for factor FP.
If distribution factor FP=1, then be applicable：PHE=PEM and PHP=0；
If distribution factor FP=1/2, then be applicable：PHE=PEM/2 and PHP=PEM/2；
If distribution factor FP=0, then be applicable：PHE=0 and PHP=PEM.
The charged state SOC-HE of high energy battery 12 and high-power battery are determined by means of unshowned sensor 14 charged state SOC-HP.The available energy of high energy battery 12 is determined according to the charged state SOC-HE of high energy battery 12 Measure EHE.The effective energy EHP of high-power battery 14 is determined according to the charged state SOC-HP of high-power battery 14.
Battery management system 20 has rated value maker SG.In the rated value maker SG, according to high-energy electricity The effective energy EHE in the pond 12 and effective energy EHP of high-power battery 14 comes by calculating rated power factor FS as follows：
FS=EHE/(EHE+EHP)。
Therefore, specified distribution factor FS is also in the numeral between 0 to 1, wherein each value between 0 to 1 for All it is possible for the specified distribution factor FS.The specified distribution factor FS calculated is used to determine distribution factor FP.
Battery management system 20 also includes voltage computation unit URE, the voltage computation unit URE and calculates voltage limes superiors Value UMax and voltage low extreme value UMin.Here, the voltage UHE of high energy battery 12 is measured by means of unshowned sensor With the voltage UHP of high-power battery 14.According to the voltage UHP of the voltage UHE of high energy battery 12 and high-power battery 14 and The output voltage UEM of motor 25 is supplied to by battery system 10, by calculate as follows the voltage higher extreme value UMax and The voltage low extreme value UMin：
。
Battery management system 20 also includes power calculation unit LRE, the power calculation unit LRE and calculates power limes superiors Value LMax and power low extreme value LMin.On the other hand, in battery management system 20, the power that can be provided by high energy battery 12 The PLHE and power P LHP that can be provided by high-power battery 14 is known.According to the power P EM to be provided by battery system 10 And the power P LHE that can be provided by the high energy battery 12 and power P LHP that can be provided by high-power battery 14, based on as follows Calculate the power higher extreme value LMax and the power low extreme value LMin：
If PLHE>PEM>0（Under motor-type operation）, then LMax=1；
If PEM>0（Under motor-type operation）, then LMax=PLHE/PEM；
If PEM=0, then LMax=1；
If PEM<0（Under generator-type operation）, then LMax=PLHE/PEM；
If PLHE<PEM<0（Under generator-type operation）, then LMax=1；
If PLHP>PEM>0（Under motor-type operation）, then LMin=0；
If PEM>0（Under motor-type operation）, then LMin=1- (PLHP/PEM)；
If PEM=0, then LMin=0；
If PEM<0（Under generator-type operation）, then LMin=1- (PLHP/PEM)；
If PLHP<PEM<0（Under generator-type operation）, then LMin=0.
Therefore, power higher extreme value LMax and power low extreme value LMin is equally the numeral between 0 to 1 respectively, its In in each value between 0 to 1 for the power higher extreme value LMax and for the power low extreme value LMin For be all possible.
In addition, battery management system 20, which also includes assignment unit ZE, the assignment unit ZE, has the first maximum operation Device Max1, the second maximum operation device Max2, the first minimum operation device Min1 and the second minimum operation device Min2.
Distribution factor FP low extreme value Fmin is defined as voltage low extreme value UMin by the first maximum operation device Max1 With the maximum in power low extreme value LMin：
Fmin=maximum（UMin, LMin）.
Distribution factor FP higher extreme value Fmax is defined as voltage higher extreme value UMax by the first minimum operation device Min1 With the minimum value in power higher extreme value LMax：
Fmax=minimum value（UMax, LMax）.
Median ZW is defined as in higher extreme value Fmax and specified distribution factor FS by the second minimum operation device Min2 Minimum value：
ZW=minimum value（Fmax, FS）.
Distribution factor FP is defined as the maximum in low extreme value Fmin and median ZW by the second maximum operation device Max2 Value：
FP=maximum（Fmin, ZW）.
Therefore, if specified distribution factor FS is more than higher extreme value Fmax, then assignment unit ZE is by the higher extreme value Fmax is assigned to distribution factor FP.If specified distribution factor FS is less than low extreme value（Fmin）, then assignment unit ZE is by institute State low extreme value Fmin and be assigned to distribution factor FP.If specified distribution factor FS is less than or equal to the higher extreme value Fmax simultaneously And it is more than or equal to the low extreme value Fmin, then the specified distribution factor FS is assigned to distribution factor by assignment unit ZE FP。
If FS>Fmax, then FP=Fmax；
If FS<Fmin, then FP=Fmin；
If Fmin≤FS≤Fmax, then FP=FS.
The present invention is not limited to embodiment as described herein and the aspect wherein emphasized.More precisely, logical Cross in the protection domain illustrated by claims, multiple flexible programs are all possible, and the multiple flexible program is in ability In the process range of field technique personnel.

Claims (11)

1. for running battery system（10）Method, the battery system（10）Including high energy battery（12）With high power electricity Pond（14）, wherein,
Will be by the battery system（10）The power of offer（PEM）According to distribution factor（FP）Being divided into will be by high-energy electricity Pond（12）The power of offer（PHE）With will be by the high-power battery（14）The power of offer（PHP）, wherein
The distribution factor（FP）According to specified distribution factor（FS）To determine, and wherein
The specified distribution factor（FS）According to
The high energy battery（12）Effective energy（EHE）With
The high-power battery（14）Effective energy（EHP）To calculate.
2. the method according to claim 11, wherein,
The distribution factor（FP）Higher extreme value（Fmax）And the distribution factor（FP）Low extreme value（Fmin）It is true It is fixed, wherein
If the specified distribution factor（FS）More than the higher extreme value（Fmax）, then the higher extreme value（Fmax）Assigned It is worth to the distribution factor（FP）, and
If the specified distribution factor（FS）Less than the low extreme value（Fmin）, then the low extreme value（Fmin）Assigned It is worth to the distribution factor（FP）, and
If the specified distribution factor（FS）
Less than or equal to the higher extreme value（Fmax）And
More than or equal to the low extreme value（Fmin）,
So described specified distribution factor（FS）It is assigned to the distribution factor（FP）.
3. the method according to claim 11, wherein,
The distribution factor（FP）Higher extreme value（Fmax）It is confirmed as voltage higher extreme value（UMax）With power higher extreme value （LMax）In minimum value, and wherein,
The distribution factor（FP）Low extreme value（Fmin）It is confirmed as voltage low extreme value（UMin）With power low extreme value （LMin）In maximum.
4. the method according to claim 11, wherein,
The voltage higher extreme value（UMax）With the voltage low extreme value（UMin）According to
Will be by the battery system（10）The output voltage of offer（UEM）And
The high energy battery（12）Voltage（UHE）And/or
The high-power battery（14）Voltage（UHP）To calculate.
5. the method according to one of claim 3 to 4, wherein,
The power higher extreme value（LMax）With the power low extreme value（LMin）According to
Will be by the battery system（10）The power of offer（PEM）And
Can be by the high energy battery（12）The power of offer（PLHE）
And/or
Can be by the high-power battery（14）The power of offer（PLHP）To calculate.
6. for running battery system（10）Battery management system（20）, the battery system（10）Including high energy battery （12）And high-power battery（14）, and the battery management system（20）It is established as according to distribution factor（FP）Will by institute State battery system（10）The power of offer（PEM）Being divided into will be by the high energy battery（12）The power of offer（PHE）With will be by The high-power battery（14）The power of offer（PHP）, wherein,
The distribution factor（FP）Can be according to specified distribution factor（FS）To determine, and wherein,
Rated value maker is set（SG）, the rated value maker（SG）
According to the high energy battery（12）Effective energy（EHE）And the high-power battery（14）Effective energy （EHP）To calculate the specified distribution factor（FS）.
7. battery management system according to claim 6（20）,
The battery management system（20）Including assignment unit（ZE）, the assignment unit（ZE）By the distribution factor（FP）'s Higher extreme value（Fmax）It is defined as voltage higher extreme value（UMax）With power higher extreme value（LMax）In minimum value,
And the assignment unit（ZE）By the distribution factor（FP）Low extreme value（Fmin）It is defined as voltage low extreme value （UMin）With power low extreme value（LMin）In maximum,
If the specified distribution factor（FS）More than the higher extreme value（Fmax）, then the assignment unit（ZE）Will The higher extreme value（Fmax）It is assigned to the distribution factor（FP）,
If the specified distribution factor（FS）Less than the low extreme value（Fmin）, then the assignment unit（ZE）Will The low extreme value（Fmin）It is assigned to the distribution factor（FP）,
If the specified distribution factor（FS）
Less than or equal to the higher extreme value（Fmax）And
More than or equal to the low extreme value（Fmin）,
So described assignment unit（ZE）By the specified distribution factor（FS）It is assigned to the distribution factor（FP）.
8. battery management system according to claim 7（20）,
The battery management system（20）Including voltage computation unit（URE）, the voltage computation unit（URE）According to
Will be by the battery system（10）The output voltage of offer（UEM）And
The high energy battery（12）Voltage（UHE）And/or
The high-power battery（14）Voltage（UHP）
Calculate the voltage higher extreme value（UMax）With the voltage low extreme value（UMin）.
9. the battery management system according to one of claim 7 to 8（20）,
The battery management system（20）Including power calculation unit（LRE）, the power calculation unit（LRE）According to
Will be by the battery system（10）The power of offer（PEM）And
Can be by the high energy battery（12）The power of offer（PLHE）
And/or
Can be by the high-power battery（14）The power of offer（PLHP）
Calculate the power higher extreme value（LMax）With the power low extreme value（LMin）.
10. battery system（10）, it includes
Battery management system according to one of claim 6 to 9（20）,
And high energy battery（12）And high-power battery（14）,
The high energy battery（12）With the high-power battery（14）Series connection.
11. the method according to one of claim 1 to 5 and/or the battery according to one of described claim 6 to 9 Management system（20）And/or battery system according to claim 10（10）Application, it is described to apply in electric vehicle （EV）In, in motor vehicle driven by mixed power（HEV）In, in plug-in hybrid vehicle（PHEV）In, in lightweight electric powered vehicles（LEV） In or apply in electric bicycle.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108482150A (en) * 2018-03-23 2018-09-04 湖州宏威新能源汽车有限公司 The electric hybrid system of a kind of energy distributing method, electricity and storage medium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050143865A1 (en) * 2003-12-30 2005-06-30 Jay Warren Gardner System and methods for maintaining power usage within a set allocation
KR20070059237A (en) * 2005-12-06 2007-06-12 현대자동차주식회사 Power distribution method of fuel cell hybrid system
US20080218104A1 (en) * 2007-03-09 2008-09-11 Srdjan Lukic Power management for multi-module energy storage systems in electric, hybrid electric, and fuel cell vehicles
US20080248918A1 (en) * 2007-03-30 2008-10-09 The Regents Of The University Of Michigan Energy Storage and Control System for a Vehicle Electrified Drivetrain
CN102577010A (en) * 2009-10-05 2012-07-11 日本碍子株式会社 Controller, controller network and control method
US20130307489A1 (en) * 2012-05-21 2013-11-21 Ruediger Soeren Kusch Method and apparatus for charging multiple energy storage devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101097272B1 (en) 2010-07-27 2011-12-21 삼성에스디아이 주식회사 Battery pack and electric transfer means including same
EP2665151B1 (en) 2011-09-13 2016-11-09 Toyota Jidosha Kabushiki Kaisha Vehicle battery system and method for controlling same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050143865A1 (en) * 2003-12-30 2005-06-30 Jay Warren Gardner System and methods for maintaining power usage within a set allocation
KR20070059237A (en) * 2005-12-06 2007-06-12 현대자동차주식회사 Power distribution method of fuel cell hybrid system
US20080218104A1 (en) * 2007-03-09 2008-09-11 Srdjan Lukic Power management for multi-module energy storage systems in electric, hybrid electric, and fuel cell vehicles
US20080248918A1 (en) * 2007-03-30 2008-10-09 The Regents Of The University Of Michigan Energy Storage and Control System for a Vehicle Electrified Drivetrain
CN102577010A (en) * 2009-10-05 2012-07-11 日本碍子株式会社 Controller, controller network and control method
US20130307489A1 (en) * 2012-05-21 2013-11-21 Ruediger Soeren Kusch Method and apparatus for charging multiple energy storage devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108482150A (en) * 2018-03-23 2018-09-04 湖州宏威新能源汽车有限公司 The electric hybrid system of a kind of energy distributing method, electricity and storage medium

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