CN109521366A - Electric car changes the performance estimating method and device of power battery in power mode - Google Patents
Electric car changes the performance estimating method and device of power battery in power mode Download PDFInfo
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- CN109521366A CN109521366A CN201811392605.4A CN201811392605A CN109521366A CN 109521366 A CN109521366 A CN 109521366A CN 201811392605 A CN201811392605 A CN 201811392605A CN 109521366 A CN109521366 A CN 109521366A
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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 performance estimating methods and device that a kind of electric car changes power battery in power mode.Wherein, method includes: the charge data for receiving the power battery that charging storehouse is sent, and receives the floor data for the power battery that electric car is sent；Characteristic is extracted according to charge data and floor data；The characteristic extracted is sent to electric car, so that electric car carries out cell performance evaluation according to characteristic.Using this programme can solve in the prior art electric car in changing power mode, power battery management system in electric car can not accurately obtain the related data of power battery and can not make the technology drawback accurately assessed to power battery performance, and this programme implementation process is simple and easy, is suitable for large-scale application.
Description
Technical field
The present invention relates to electric vehicle engineering fields, and in particular to a kind of electric car changes the property of power battery in power mode
It can appraisal procedure and device.
Background technique
Electric car refers to using vehicle power supply as power, with motor driven wheels travel, meets road traffic, security legislation
The vehicle of requirements.Compared to orthodox car, electric car has the spies such as energy conservation and environmental protection, structure be simple and easy to maintain
Point, so that electric car is increasingly favored by people.And power battery is as one of the important component in electric car, accurately
Ground determines that the performance of power battery is of great significance to the overall performance of entire electric car.
Current electric car generallys use charge mode and changes power mode, and due in electric car in changing power mode
Battery component and power battery management system (BMS, Battery Management System) be non-Unitary structure, from
And make in changing power mode, there may be differences for the battery component after changing electricity every time, and then make the power electric in electric car
Pond management system can not accurately obtain the related data of battery component, and it is even more impossible to do to the power battery performance in electric car
It accurately assesses out.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind
The electric car for stating problem changes the performance estimating method and device of power battery in power mode.
According to an aspect of the invention, there is provided a kind of electric car changes the Performance Evaluation side of power battery in power mode
Method, comprising:
The charge data for the power battery that charging storehouse is sent is received, and receives the work for the power battery that electric car is sent
Condition data；
Characteristic is extracted according to the charge data and the floor data；
The characteristic extracted is sent to the electric car, so that the electric car is according to the characteristic
Carry out cell performance evaluation.
Optionally, the characteristic includes at least one of following data:
Battery capacity, the internal resistance of cell, circulating battery number, battery pressure difference, the battery temperature difference, battery alarm information, Yi Ji electricity
Pond equivalent circuit model parameter.
Optionally, described to further comprise according to the charge data and floor data extraction characteristic:
According in the charge data battery component voltage and charge capacity obtain in the characteristic and include
First battery capacity；
And/or according in the charge data battery component voltage and charging current obtain in the characteristic
First internal resistance of cell for including；
And/or according in the charge data charge capacity and battery rated capacity obtain in the characteristic
The the first circulating battery number for including；
And/or include according to very poor obtain in the characteristic of voltage of the battery cell in the charge data
First battery pressure difference；
And/or include according to very poor obtain in the characteristic of temperature of the battery cell in the charge data
The first battery temperature difference；
And/or the first electricity for including in the characteristic is obtained according to the charging warning message in the charge data
Pond warning message；
And/or the battery etc. for including in the characteristic is obtained according to the battery component voltage in the charge data
Imitate circuit model parameters.
Optionally, described to further comprise according to the charge data and floor data extraction characteristic:
According in the floor data battery component voltage and discharge electricity amount obtain in the characteristic and include
Second battery capacity；
And/or according in the floor data battery component voltage and discharge current obtain in the characteristic
Second internal resistance of cell for including；
And/or institute is obtained according to discharge electricity amount, braking charge capacity and the battery rated capacity in the floor data
State the second circulating battery number for including in characteristic；
And/or include according to very poor obtain in the characteristic of voltage of the battery cell in the floor data
Second battery pressure difference；
And/or include according to very poor obtain in the characteristic of temperature of the battery cell in the floor data
The second battery temperature difference；
And/or the second electricity for including in the characteristic is obtained according to the electric discharge warning message in the floor data
Pond warning message.
Optionally, the charge data for receiving the power battery that charging storehouse is sent, and receive what electric car was sent
The floor data of power battery further comprises:
The charge data for the power battery that the power battery management system in charging storehouse is sent is received, and receives electronic vapour
The floor data for the power battery that power battery management system in vehicle is sent by car networking；
The characteristic that will be extracted is sent to the electric car, so that the electric car is according to the feature
Data carry out cell performance evaluation:
The characteristic extracted is sent to the power battery management system in the electric car, for described electronic
Power battery management system in automobile carries out cell performance evaluation according to the characteristic.
Optionally, the characteristic that will be extracted is sent to the electric car, for the electric car according to
The characteristic carries out cell performance evaluation:
The characteristic extracted is sent to the electric car, so that the electric car is according to the characteristic
Obtain state-of-charge, health status, power rating, energy state, and/or the remaining life of power battery.
According to another aspect of the present invention, the Performance Evaluation that a kind of electric car changes power battery in power mode is provided
Device, comprising:
Receiving module, suitable for receiving the charge data for the power battery that charging storehouse is sent, and reception electric car transmission
Power battery floor data；
Extraction module is suitable for extracting characteristic according to the charge data and the floor data；
Sending module, suitable for the characteristic extracted is sent to the electric car, for the electric car root
Cell performance evaluation is carried out according to the characteristic.
Optionally, the characteristic includes at least one of following data:
Battery capacity, the internal resistance of cell, circulating battery number, battery pressure difference, the battery temperature difference, battery alarm information, Yi Ji electricity
Pond equivalent circuit model parameter.
According to a further aspect of the invention, a kind of calculating equipment is provided, comprising: processor, memory, communication interface
And communication bus, the processor, the memory and the communication interface complete mutual lead to by the communication bus
Letter；
For the memory for storing an at least executable instruction, it is above-mentioned that the executable instruction executes the processor
Electric car changes the corresponding operation of performance estimating method of power battery in power mode.
According to a further aspect of the invention, a kind of computer storage medium is provided, is stored in the storage medium
An at least executable instruction, the executable instruction make processor execute the property that above-mentioned electric car changes power battery in power mode
It can the corresponding operation of appraisal procedure.
The electric car provided according to the present invention changes the performance estimating method and device of power battery in power mode.It connects first
The charge data for the power battery that charging storehouse is sent is received, and receives the floor data for the power battery that electric car is sent；Into
One step extracts characteristic according to charge data and floor data；The characteristic extracted is finally sent to electronic vapour
Vehicle, so that electric car carries out cell performance evaluation according to characteristic.Electronic vapour in the prior art can be solved using this programme
In Che Huan power mode, the power battery management system in electric car can not accurately obtain the related data of power battery and
The technology drawback accurately assessed can not be made to power battery performance, and this programme implementation process is simple and easy, be suitable for big
Sizable application.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the performance that a kind of electric car that according to embodiments of the present invention one provides changes power battery in power mode
The flow diagram of appraisal procedure；
A kind of electric car provided Fig. 2 shows according to embodiments of the present invention two changes the performance of power battery in power mode
The flow diagram of appraisal procedure；
Fig. 3 a shows a kind of according to embodiments of the present invention two equivalent-circuit model schematic diagrames provided；
Fig. 3 b shows battery component voltage curve signal in a kind of charging process that according to embodiments of the present invention two provide
Figure；
Fig. 4 shows the performance that a kind of electric car that according to embodiments of the present invention three provide changes power battery in power mode
Assess the illustrative view of functional configuration of device；
Fig. 5 shows a kind of structural schematic diagram for calculating equipment that according to embodiments of the present invention five provide.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one
Fig. 1 shows the performance that a kind of electric car that according to embodiments of the present invention one provides changes power battery in power mode
The flow diagram of appraisal procedure.As shown in Figure 1, this method comprises:
Step S110, receives the charge data for the power battery that charging storehouse is sent, and receives the dynamic of electric car transmission
The floor data of power battery；
Wherein, the performance estimating method that electric car provided in this embodiment changes power battery in power mode specifically can be by pre-
If server executes.The predetermined server can carry out information exchange between charging storehouse and electric vehicle.
In the specific implementation process, charging storehouse acquires the charge data of dynamic battery during the charging process, then charges
Collected charge data can be sent in the predetermined server by storehouse；And electric car also acquires the operating condition number of dynamic battery
According to then collected floor data can also be sent in the server by electric car, then had by the reception of this step server
For carrying out the initial data of Performance Evaluation to power battery, provided to carry out Performance Evaluation to power battery for subsequent step
Basis.
Step S120 extracts characteristic according to charge data and floor data.
For the Performance Evaluation efficiency for further promoting power battery, in this step further to the charge data received with
And floor data carries out characteristic extraction.Specifically, characteristic includes at least one of following data: battery capacity,
The internal resistance of cell, circulating battery number, battery pressure difference, the battery temperature difference, battery alarm information and battery equivalent circuit model parameter
Etc..Wherein, the present invention to the specific extracting method of characteristic without limitation, those skilled in the art can be according to required assessment
The performance indicator of power battery set.
The characteristic extracted is sent to electric car by step S130, for electric car according to characteristic into
Row cell performance evaluation.
Wherein, to battery performance assessed specially using characteristic to the state-of-charge of power battery (SOC,
State Of Charge), health status (SOH, Section Of Health), power rating (SOP, State Of
Power), energy state (SOE, State Of Energy), and/or remaining life (RUL, Remaining Useful
) etc. Life assessed.
It can be seen that receiving the charge data for the power battery that charging storehouse is sent in the present embodiment first, and receive electricity
The floor data for the power battery that electrical automobile is sent；Characteristic is further extracted according to charge data and floor data；Most
The characteristic extracted at last is sent to electric car, so that electric car carries out cell performance evaluation according to characteristic.
Using this programme can solve in the prior art electric car in changing power mode, power battery management system in electric car without
Method accurately obtains the related data of power battery and can not make the technology drawback accurately assessed to power battery performance, and
And this programme implementation process is simple and easy, is suitable for large-scale application.
Embodiment two
A kind of electric car provided Fig. 2 shows according to embodiments of the present invention two changes the performance of power battery in power mode
The flow diagram of appraisal procedure.As shown in Fig. 2, this method comprises:
Step S210 receives the charge data for the power battery that the power battery management system in charging storehouse is sent, and
Receive the floor data for the power battery that the power battery management system in electric car is sent by car networking.
Wherein, the performance estimating method that electric car provided in this embodiment changes power battery in power mode specifically can be by pre-
If server executes.The predetermined server can carry out information exchange between charging storehouse and electric vehicle.
In the specific implementation process, for charging position in storehouse in electrical changing station, electric car can realize power electric in electrical changing station
The quick-replaceable in pond.I.e. electric car can change the power battery that electricity is less than or equal to the first preset threshold from electric car
Under, and the power battery that electricity in charging storehouse is greater than or equal to the second preset threshold is changed, to realize power in electric car
The quick-replaceable of battery, meanwhile, the power battery under being replaced charges the charging storehouse in electrical changing station, and is charging
It is replaced at rear for next electric car.The power battery management system in storehouse that then charges can be acquired to charge in charging storehouse
Each power battery charge data.Wherein, charge data specifically includes battery component voltage in charging process, charging electricity
Amount, charging current, battery cell temperature is very poor, battery cell voltage is very poor, and/or the warning message etc. that charges.The battery pack
Part is specially battery pack or battery module.Further, the charge data of the power battery sent due to charging storehouse is often more
The charge data of a power battery, so, to carry out Performance Evaluation, the power electric that charging storehouse is sent to power battery convenient for subsequent
Power battery mark is also carried in the charge data in pond.
Electric car can acquire the operating condition of the power battery of its own by the power battery management system in battery car
Data, and the floor data is sent in predetermined server by car networking.Wherein, the electronic vapour that predetermined server receives
Also power battery mark corresponding with floor data is carried in the floor data that vehicle is sent.Specifically, floor data is specific
It is very poor, electric including battery component voltage, discharge electricity amount, braking charge capacity, discharge current, battery cell temperature in discharge process
Pond monomer voltage is very poor, and/or electric discharge warning message etc..
By this step, the charge data and floor data for there are multiple power batteries are received in predetermined server, thus
Formation includes the information bank of multiple power battery charging data and floor data.
Step S220 extracts characteristic according to charge data and floor data.
Wherein, characteristic includes at least one of following data: battery capacity, the internal resistance of cell, circulating battery number,
Battery pressure difference, the battery temperature difference, battery alarm information and battery equivalent circuit model parameter etc..Specifically, characteristic packet
Containing the fisrt feature data extracted by charge data and the second feature data extracted by floor data.It is optional
, the power battery of the characteristic extracted power battery corresponding with this feature data can be identified associated storage, so as to
Characteristic can be accurately sent in corresponding electric car by subsequent step.
In one implementation, fisrt feature data include: the first battery capacity, first internal resistance of cell, the first battery
Cycle-index, the first battery pressure difference, the first battery temperature difference, the first battery alarm information and/or battery equivalent circuit model parameter
Etc., then fisrt feature data can be extracted by charge data in the following manner:
According in charge data battery component voltage and charge capacity obtain characteristic in include the first battery
Capacity.Specifically, the voltage V2 after obtaining battery component charging starting voltage V1, charge cutoff standing, and charging add up to press
When integral capacity △ Ah substitute into OCV-SOC (Open Circuit Voltage- and using V1 and V2 as battery open circuit voltage
State of Charge, open-circuit voltage-state-of-charge) in table, inquiry obtains SOC1 and SOC2, and passes through △ Ah/ (SOC2-
SOC1 the first battery capacity) is obtained.
And/or according in charge data battery component voltage and charging current obtain include in characteristic the
One internal resistance of cell.Specifically, battery component charging starting voltage V1 is obtained, charging starts the electricity after preset time (such as 10 seconds)
Press the V3 and charging current I in the period1, pass through (V3-V1)/I1Obtain first internal resistance of cell.
And/or according in charge data charge capacity and battery rated capacity obtain include in characteristic the
One circulating battery number.Specifically, all charge capacity accumulation △ Ah are obtainedsumAnd battery rated capacity QIt is specified, pass through △
Ahsum/QIt is specifiedObtain the first circulating battery number.
And/or according to the first battery for including in the very poor acquisition characteristic of voltage of the battery cell in charge data
Pressure difference.Specifically, the first battery pressure difference is obtained according to Vmax-Vmin, wherein Vmax is highest battery cell electricity in charging process
Pressure, Vmin are minimum battery cell voltage in charging process.
And/or according to the first battery for including in the very poor acquisition characteristic of temperature of the battery cell in charge data
The temperature difference.Specifically, the first battery temperature difference is obtained according to Tmax-Tmin, wherein Tmax is highest battery cell temperature in charging process
Degree, Tmin are minimum battery cell temperature in charging process.
And/or the first battery alarm for including in characteristic is obtained according to the charging warning message in charge data and is believed
Breath.Wherein, charging warning message include: temperature difference warning message, battery high-temperature warning message, battery low-temperature warning information,
The too low warning message of SOC, the excessively high warning message of SOC, SOC jump warning message, battery cell over voltage alarm information, battery cell
Undervoltage warning information, and/or battery cell consistency difference alarming information etc..
And/or the battery equivalent circuit mould for including in characteristic is obtained according to the battery component voltage in charge data
Shape parameter.Wherein, the present embodiment to obtain battery equivalent circuit model parameter concrete mode without limitation, those skilled in the art
Member can sets itself according to actual needs.For example, can be according to battery component voltage curve as shown in Figure 3b, i.e., according to charging
Respectively in three moment (i.e. 0s, 10s and 50s), 5 corresponding voltage value (i.e. U in journey0、U1、U2、U3And U4), by corresponding
Calculation obtain parameter R0, R1, R2, C1 and C2 in Order RC equivalent-circuit model as shown in Figure 3a.
In another implementation, second feature data include: the second battery capacity, second internal resistance of cell, the second electricity
Pond cycle-index, the second battery pressure difference, the second battery temperature difference, and/or second battery alarm information etc., then can be by with lower section
Formula extracts second feature data by floor data:
According in floor data battery component voltage and discharge electricity amount obtain characteristic in include the second battery
Capacity.Specifically, the voltage V2 ' after obtaining certain discharge inception voltage of battery component V1 ', electric discharge cut-off standing, and charging
Accumulative integral capacity △ Ah ' on time, and it regard V1 ' and V2 ' as battery open circuit voltage, it substitutes into OCV-SOC table, inquiry obtains
SOC1 ' and SOC2 ', and the second battery capacity is obtained by △ Ah '/(SOC2 '-SOC1 ').
And/or according in floor data battery component voltage and discharge current obtain include in characteristic the
Two internal resistances of cell.Specifically, after the starting voltage V1 ' for obtaining certain electric discharge of battery component, preset time of discharging (such as 10 seconds)
Voltage V3 ' and average discharge current the I in the period1', pass through (V3 '-V1 ')/I1' obtain second internal resistance of cell.
And/or characteristic is obtained according to discharge electricity amount, braking charge capacity and the battery rated capacity in floor data
The the second circulating battery number for including in.Specifically obtain all discharge electricity amount △ Ahsum', braking charge capacity △ Ahsum-Z' with
And battery rated capacity QIt is specified, pass through (△ Ahsum′-△Ahsum-Z′)/QIt is specifiedObtain the second circulating battery number.
And/or according to the second battery for including in the very poor acquisition characteristic of voltage of the battery cell in floor data
Pressure difference.With specific reference to Vmax '-Vmin ' acquisition the second battery pressure difference, wherein Vmax ' is highest battery cell electricity in charging process
Pressure, Vmin ' are minimum battery cell voltage in charging process.
And/or according to the second battery for including in the very poor acquisition characteristic of temperature of the battery cell in floor data
The temperature difference.With specific reference to Tmax '-Tmin ' acquisition the first battery temperature difference, wherein Tmax ' is that highest battery cell is steady in charging process
Fixed, Tmin ' is minimum battery cell temperature in charging process.
And/or the second battery alarm for including in characteristic is obtained according to the electric discharge warning message in floor data and is believed
Breath.Wherein, electric discharge warning message include: temperature difference warning message, battery high-temperature warning message, battery low-temperature warning information,
The too low warning message of SOC, the excessively high warning message of SOC, SOC jump warning message, battery cell over voltage alarm information, battery cell
Undervoltage warning information, and/or battery cell consistency difference alarming information etc..
The characteristic extracted is sent to the power battery management system in electric car by step S230, with power supply
Power battery management system in electrical automobile obtains state-of-charge, health status, the power shape of power battery according to characteristic
State, energy state, and/or remaining life.
Specifically, the characteristic extracted is sent in corresponding electric car according to the mark of power battery, is had
Body, the power battery management system characteristic extracted being sent in electric car.Power electric in electric car
Pond management system can obtain the state-of-charge of power battery using corresponding calculation according to the characteristic of power battery, be good for
Health state, power rating, energy state, and/or remaining life.The present embodiment calculates power battery to according to characteristic
State-of-charge, health status, power rating, energy state, and/or remaining life mode without limitation.
It can be seen that receiving the charging for the power battery that the power battery management system in charging storehouse is sent in the present embodiment
Data, and receive the floor data for the power battery that the power battery management system in electric car is sent by car networking；
Fisrt feature data are further extracted according to charge data and second feature data are extracted according to floor data；It will finally extract
Characteristic out is sent to corresponding electric car, so that electric car is according to the charged shape of characteristic acquisition power battery
State, health status, power rating, energy state, and/or remaining life.It can be solved using this programme electric in the prior art
For electrical automobile in changing power mode, the power battery management system in electric car can not accurately obtain the dependency number of power battery
According to and the technology drawback accurately assessed can not be made to power battery performance, realized by way of combining offline online
Assessment to power battery performance, and this programme implementation process is simple and easy, is suitable for large-scale application.
Embodiment three
Fig. 4 shows the performance that a kind of electric car that according to embodiments of the present invention three provide changes power battery in power mode
Assess the illustrative view of functional configuration of device.As shown in figure 4, the device includes: receiving module 41, extraction module 42 and sending module
43。
Receiving module 41, suitable for receiving the charge data for the power battery that charging storehouse is sent, and reception electric car hair
The floor data of the power battery sent；
Extraction module 42 is suitable for extracting characteristic according to the charge data and the floor data；
Sending module 43, suitable for the characteristic extracted is sent to the electric car, for the electric car
Cell performance evaluation is carried out according to the characteristic.
Optionally, the characteristic includes at least one of following data:
Battery capacity, the internal resistance of cell, circulating battery number, battery pressure difference, the battery temperature difference, battery alarm information, Yi Ji electricity
Pond equivalent circuit model parameter.
Optionally, extraction module 42 is further adapted for: according in the charge data battery component voltage and charging
Electricity obtains the first battery capacity for including in the characteristic；
And/or according in the charge data battery component voltage and charging current obtain in the characteristic
First internal resistance of cell for including；
And/or according in the charge data charge capacity and battery rated capacity obtain in the characteristic
The the first circulating battery number for including；
And/or include according to very poor obtain in the characteristic of voltage of the battery cell in the charge data
First battery pressure difference；
And/or include according to very poor obtain in the characteristic of temperature of the battery cell in the charge data
The first battery temperature difference；
And/or the first electricity for including in the characteristic is obtained according to the charging warning message in the charge data
Pond warning message；
And/or the battery etc. for including in the characteristic is obtained according to the battery component voltage in the charge data
Imitate circuit model parameters.
Optionally, extraction module 42 is further adapted for: according in the floor data battery component voltage and electric discharge
Electricity obtains the second battery capacity for including in the characteristic；
And/or according in the floor data battery component voltage and discharge current obtain in the characteristic
Second internal resistance of cell for including；
And/or institute is obtained according to discharge electricity amount, braking charge capacity and the battery rated capacity in the floor data
State the second circulating battery number for including in characteristic；
And/or include according to very poor obtain in the characteristic of voltage of the battery cell in the floor data
Second battery pressure difference；
And/or include according to very poor obtain in the characteristic of temperature of the battery cell in the floor data
The second battery temperature difference；
And/or the second electricity for including in the characteristic is obtained according to the electric discharge warning message in the floor data
Pond warning message.
Optionally, receiving module 41 is further adapted for: receiving the power that the power battery management system in charging storehouse is sent
The charge data of battery, and receive the power battery that the power battery management system in electric car is sent by car networking
Floor data；
Sending module 43 is further adapted for: the characteristic extracted is sent to the power battery in the electric car
Management system is commented so that the power battery management system in the electric car carries out battery performance according to the characteristic
Estimate.
Optionally, sending module 43 is further adapted for: the characteristic that will be extracted is sent to the electric car,
Further comprise so that the electric car carries out cell performance evaluation according to the characteristic:
The characteristic extracted is sent to the electric car, so that the electric car is according to the characteristic
Obtain state-of-charge, health status, power rating, energy state, and/or the remaining life of power battery.
Wherein, the specific implementation process of modules can refer to embodiment of the method shown in Fig. 1 or Fig. 2 in the present embodiment device
The description of middle corresponding portion, this will not be repeated here for the present embodiment.
It can be seen that receiving the charge data for the power battery that charging storehouse is sent in the present embodiment first, and receive electricity
The floor data for the power battery that electrical automobile is sent；Characteristic is further extracted according to charge data and floor data；Most
The characteristic extracted at last is sent to electric car, so that electric car carries out cell performance evaluation according to characteristic.
Using this programme can solve in the prior art electric car in changing power mode, power battery management system in electric car without
Method accurately obtains the related data of power battery and can not make the technology drawback accurately assessed to power battery performance, and
And this programme implementation process is simple and easy, is suitable for large-scale application.
Example IV
A kind of nonvolatile computer storage media is provided according to an embodiment of the present invention, and the computer storage is situated between
Matter is stored with an at least executable instruction, which can be performed the electronic vapour in above-mentioned any means embodiment
Vehicle changes the performance estimating method of power battery in power mode.
Fig. 5 shows a kind of structural schematic diagram of the calculating equipment provided according to an embodiment of the present invention, present invention tool
Body embodiment does not limit the specific implementation for calculating equipment.
As shown in figure 5, the calculating equipment may include: processor (processor) 502, communication interface
(Communications Interface) 504, memory (memory) 506 and communication bus 508.
Wherein:
Processor 502, communication interface 504 and memory 506 complete mutual communication by communication bus 508.
Communication interface 504, for being communicated with the network element of other equipment such as client or other servers etc..
Processor 502 can specifically execute above-mentioned electric car and change power battery in power mode for executing program 510
Performance estimating method embodiment in correlation step.
Specifically, program 510 may include program code, which includes computer operation instruction.
Processor 502 may be central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.The one or more processors that equipment includes are calculated, can be same type of processor, such as one or more CPU；It can also
To be different types of processor, such as one or more CPU and one or more ASIC.
Memory 506, for storing program 510.Memory 506 may include high speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
Program 510 specifically can be used for so that processor 502 executes following operation:
The charge data for the power battery that charging storehouse is sent is received, and receives the work for the power battery that electric car is sent
Condition data；
Characteristic is extracted according to the charge data and the floor data；
The characteristic extracted is sent to the electric car, so that the electric car is according to the characteristic
Carry out cell performance evaluation.
In a kind of optional embodiment, the characteristic includes at least one of following data:
Battery capacity, the internal resistance of cell, circulating battery number, battery pressure difference, the battery temperature difference, battery alarm information, Yi Ji electricity
Pond equivalent circuit model parameter.
In a kind of optional embodiment, program 510 specifically can be used for so that processor 502 executes following operation:
According in the charge data battery component voltage and charge capacity obtain in the characteristic and include
First battery capacity；
And/or according in the charge data battery component voltage and charging current obtain in the characteristic
First internal resistance of cell for including；
And/or according in the charge data charge capacity and battery rated capacity obtain in the characteristic
The the first circulating battery number for including；
And/or include according to very poor obtain in the characteristic of voltage of the battery cell in the charge data
First battery pressure difference；
And/or include according to very poor obtain in the characteristic of temperature of the battery cell in the charge data
The first battery temperature difference；
And/or the first electricity for including in the characteristic is obtained according to the charging warning message in the charge data
Pond warning message；
And/or the battery etc. for including in the characteristic is obtained according to the battery component voltage in the charge data
Imitate circuit model parameters.
In a kind of optional embodiment, program 510 specifically can be used for so that processor 502 executes following operation:
According in the floor data battery component voltage and discharge electricity amount obtain in the characteristic and include
Second battery capacity；
And/or according in the floor data battery component voltage and discharge current obtain in the characteristic
Second internal resistance of cell for including；
And/or institute is obtained according to discharge electricity amount, braking charge capacity and the battery rated capacity in the floor data
State the second circulating battery number for including in characteristic；
And/or include according to very poor obtain in the characteristic of voltage of the battery cell in the floor data
Second battery pressure difference；
And/or include according to very poor obtain in the characteristic of temperature of the battery cell in the floor data
The second battery temperature difference；
And/or the second electricity for including in the characteristic is obtained according to the electric discharge warning message in the floor data
Pond warning message.
In a kind of optional embodiment, program 510 specifically can be used for so that processor 502 executes following operation:
The charge data for the power battery that the power battery management system in charging storehouse is sent is received, and receives electronic vapour
The floor data for the power battery that power battery management system in vehicle is sent by car networking；
The characteristic extracted is sent to the power battery management system in the electric car, for described electronic
Power battery management system in automobile carries out cell performance evaluation according to the characteristic.
In a kind of optional embodiment, program 510 specifically can be used for so that processor 502 executes following operation:
The characteristic extracted is sent to the electric car, so that the electric car is according to the characteristic
Obtain state-of-charge, health status, power rating, energy state, and/or the remaining life of power battery.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of the various inventive aspects,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the disclosed method should not be interpreted as reflecting the following intention: i.e. required to protect
Shield the present invention claims features more more than feature expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific embodiment are expressly incorporated in the specific embodiment, wherein each claim itself
All as a separate embodiment of the present invention.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Can in any combination mode come using.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be through the same hardware branch
To embody.The use of word first, second, and third does not indicate any sequence.These words can be explained and be run after fame
Claim.
Claims (10)
1. the performance estimating method that a kind of electric car changes power battery in power mode characterized by comprising
The charge data for the power battery that charging storehouse is sent is received, and receives the operating condition number for the power battery that electric car is sent
According to；
Characteristic is extracted according to the charge data and the floor data；
The characteristic extracted is sent to the electric car, so that the electric car is carried out according to the characteristic
Cell performance evaluation.
2. the method according to claim 1, wherein the characteristic includes at least one in following data
Kind:
Battery capacity, the internal resistance of cell, circulating battery number, battery pressure difference, the battery temperature difference, battery alarm information and battery etc.
Imitate circuit model parameters.
3. according to the method described in claim 2, it is characterized in that, described according to the charge data and the floor data
Extracting characteristic further comprises:
According in the charge data battery component voltage and charge capacity obtain include in the characteristic first
Battery capacity；
And/or according in the charge data battery component voltage and charging current obtain in the characteristic and include
First internal resistance of cell；
And/or according in the charge data charge capacity and battery rated capacity obtain in the characteristic and include
The first circulating battery number；
And/or according to include in the very poor acquisition characteristic of voltage of the battery cell in the charge data first
Battery pressure difference；
And/or according to include in the very poor acquisition characteristic of temperature of the battery cell in the charge data first
The battery temperature difference；
And/or the first battery report for including in the characteristic is obtained according to the charging warning message in the charge data
Alert information；
And/or the equivalent electricity of battery for including in the characteristic is obtained according to the battery component voltage in the charge data
Road model parameter.
4. according to the method described in claim 2, it is characterized in that, described according to the charge data and the floor data
Extracting characteristic further comprises:
According in the floor data battery component voltage and discharge electricity amount obtain include in the characteristic second
Battery capacity；
And/or according in the floor data battery component voltage and discharge current obtain in the characteristic and include
Second internal resistance of cell；
And/or the spy is obtained according to discharge electricity amount, braking charge capacity and the battery rated capacity in the floor data
The the second circulating battery number for including in sign data；
And/or according to include in the very poor acquisition characteristic of voltage of the battery cell in the floor data second
Battery pressure difference；
And/or according to include in the very poor acquisition characteristic of temperature of the battery cell in the floor data second
The battery temperature difference；
And/or the second battery report for including in the characteristic is obtained according to the electric discharge warning message in the floor data
Alert information.
5. method according to any of claims 1-4, which is characterized in that the power electric for receiving charging storehouse and sending
The charge data in pond, and receive the floor data of power battery that electric car is sent and further comprise:
The charge data for the power battery that the power battery management system in charging storehouse is sent is received, and is received in electric car
The floor data of power battery that is sent by car networking of power battery management system；
The characteristic that will be extracted is sent to the electric car, so that the electric car is according to the characteristic
Carrying out cell performance evaluation further comprises:
The characteristic extracted is sent to the power battery management system in the electric car, for the electric car
In power battery management system according to the characteristic carry out cell performance evaluation.
6. method according to any of claims 1-4, which is characterized in that described to send the characteristic extracted
To the electric car, further comprise so that the electric car carries out cell performance evaluation according to the characteristic:
The characteristic extracted is sent to the electric car, so that the electric car is obtained according to the characteristic
State-of-charge, health status, power rating, energy state, and/or the remaining life of power battery.
7. the capability evaluating device that a kind of electric car changes power battery in power mode characterized by comprising
Receiving module, the charge data of the power battery suitable for receiving the transmission of charging storehouse, and receive the dynamic of electric car transmission
The floor data of power battery；
Extraction module is suitable for extracting characteristic according to the charge data and the floor data；
Sending module, suitable for the characteristic extracted is sent to the electric car, so that the electric car is according to institute
It states characteristic and carries out cell performance evaluation.
8. device according to claim 7, which is characterized in that the characteristic includes at least one in following data
Kind:
Battery capacity, the internal resistance of cell, circulating battery number, battery pressure difference, the battery temperature difference, battery alarm information and battery etc.
Imitate circuit model parameters.
9. a kind of calculating equipment, comprising: processor, memory, communication interface and communication bus, the processor, the storage
Device and the communication interface complete mutual communication by the communication bus；
The memory executes the processor as right is wanted for storing an at least executable instruction, the executable instruction
Electric car described in any one of 1-6 is asked to change the corresponding operation of performance estimating method of power battery in power mode.
10. a kind of computer storage medium, an at least executable instruction, the executable instruction are stored in the storage medium
So that processor is executed electric car of any of claims 1-6 such as and changes the Performance Evaluation side of power battery in power mode
The corresponding operation of method.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531277A (en) * | 2019-08-18 | 2019-12-03 | 浙江万马新能源有限公司 | A kind of battery management system of band estimation electric automobile power battery service life function |
| CN111619399A (en) * | 2020-06-10 | 2020-09-04 | 国网浙江电动汽车服务有限公司 | Power battery safety assessment device based on electric automobile fills electric pile management platform |
| CN111693882A (en) * | 2020-06-30 | 2020-09-22 | 厦门金龙联合汽车工业有限公司 | Method for evaluating health state of battery replacement battery |
| CN112744115A (en) * | 2021-01-11 | 2021-05-04 | 阳光电源（上海）有限公司 | Information processing method, device and system of electric automobile and processor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011160258A1 (en) * | 2010-06-24 | 2011-12-29 | 松下电器产业株式会社 | Method and system for obtaining degradation of battery |
| CN102707236A (en) * | 2012-05-10 | 2012-10-03 | 许继集团有限公司 | Power battery SOC (State of Charge) estimation method for charging station monitoring system |
| CN203037780U (en) * | 2013-01-29 | 2013-07-03 | 山东电力集团公司电力科学研究院 | Charging device detection system applied to field |
| CN104022552A (en) * | 2014-06-16 | 2014-09-03 | 南方电网科学研究院有限责任公司 | Intelligent detection method for electric vehicle charging control |
| CN105140975A (en) * | 2014-05-30 | 2015-12-09 | 株式会社日立制作所 | Storage battery management system and storage battery management method |
| CN105182884A (en) * | 2015-10-13 | 2015-12-23 | 中国矿业大学 | Remote monitoring system and method for charging facility of new energy automobile |
| CN106936219A (en) * | 2017-04-19 | 2017-07-07 | 上海蔚来汽车有限公司 | Chain type energy storage method, system and energy-accumulating power station and energy-storage system |
| CN107444180A (en) * | 2017-09-13 | 2017-12-08 | 张虹 | A kind of quick charging and conversion electric system of new-energy automobile applied to highway |
| CN108001428A (en) * | 2016-10-28 | 2018-05-08 | 富士通株式会社 | Battery replacement of electric automobile system based on block chain |
-
2018
- 2018-11-21 CN CN201811392605.4A patent/CN109521366A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011160258A1 (en) * | 2010-06-24 | 2011-12-29 | 松下电器产业株式会社 | Method and system for obtaining degradation of battery |
| CN102707236A (en) * | 2012-05-10 | 2012-10-03 | 许继集团有限公司 | Power battery SOC (State of Charge) estimation method for charging station monitoring system |
| CN203037780U (en) * | 2013-01-29 | 2013-07-03 | 山东电力集团公司电力科学研究院 | Charging device detection system applied to field |
| CN105140975A (en) * | 2014-05-30 | 2015-12-09 | 株式会社日立制作所 | Storage battery management system and storage battery management method |
| CN104022552A (en) * | 2014-06-16 | 2014-09-03 | 南方电网科学研究院有限责任公司 | Intelligent detection method for electric vehicle charging control |
| CN105182884A (en) * | 2015-10-13 | 2015-12-23 | 中国矿业大学 | Remote monitoring system and method for charging facility of new energy automobile |
| CN108001428A (en) * | 2016-10-28 | 2018-05-08 | 富士通株式会社 | Battery replacement of electric automobile system based on block chain |
| CN106936219A (en) * | 2017-04-19 | 2017-07-07 | 上海蔚来汽车有限公司 | Chain type energy storage method, system and energy-accumulating power station and energy-storage system |
| CN107444180A (en) * | 2017-09-13 | 2017-12-08 | 张虹 | A kind of quick charging and conversion electric system of new-energy automobile applied to highway |
Non-Patent Citations (1)
| Title |
|---|
| 贺林: "《电动汽车设计》", 31 March 2017 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531277A (en) * | 2019-08-18 | 2019-12-03 | 浙江万马新能源有限公司 | A kind of battery management system of band estimation electric automobile power battery service life function |
| CN111619399A (en) * | 2020-06-10 | 2020-09-04 | 国网浙江电动汽车服务有限公司 | Power battery safety assessment device based on electric automobile fills electric pile management platform |
| CN111693882A (en) * | 2020-06-30 | 2020-09-22 | 厦门金龙联合汽车工业有限公司 | Method for evaluating health state of battery replacement battery |
| CN111693882B (en) * | 2020-06-30 | 2022-09-06 | 厦门金龙联合汽车工业有限公司 | Method for evaluating health state of battery replacement battery |
| CN112744115A (en) * | 2021-01-11 | 2021-05-04 | 阳光电源（上海）有限公司 | Information processing method, device and system of electric automobile and processor |
| CN112744115B (en) * | 2021-01-11 | 2022-05-24 | 阳光电源（上海）有限公司 | Information processing method, device and system of electric automobile and processor |
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