CN110506359A - The thermal conditioning method of the Fast Charge Battery system of electric motor vehicle - Google Patents
The thermal conditioning method of the Fast Charge Battery system of electric motor vehicle Download PDFInfo
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- CN110506359A CN110506359A CN201880024733.5A CN201880024733A CN110506359A CN 110506359 A CN110506359 A CN 110506359A CN 201880024733 A CN201880024733 A CN 201880024733A CN 110506359 A CN110506359 A CN 110506359A
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
-
- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of thermal conditioning methods for being used for motor vehicle battery system (21), this method includes the target temperature for determining battery system (21), needs to reach the target temperature in the triggering moment for carrying out plan charging to battery system by selected charging pile (29).According to the present invention, this method further comprises: the availability of the usability status and the charging pile (29) for vehicle that determine charging pile starts to plan the moment, and in the case where preventing to trigger the unavailability state of charging immediately, the active thermal conditioning of target temperature is arrived in triggering control before availability starts to plan the moment.The present invention is suitable for electric motor vehicle and hybrid moto vehicle with charging interface.
Description
Technical field
The present invention relates to the thermal conditioning methods of motor vehicle battery system.
Background technique
The circulation of electric motor vehicle has caused the laying of charging station on road.Since these charging stations appear in height
On fast road, therefore remote stroke can be carried out now.In order to reduce the charging time, it is foreseen that, some charging stations
It will be equipped with so-called quick charge stake or super block speed charging pile, the charge power up to 350kW is provided.
It is known that the temperature of battery system is increased according to charging current during charging.Battery system is at about 20 DEG C
Temperature adjusting is carried out in 55 DEG C of working ranges, and under load condition, usually adjust temperature actively to maintain temperature
About 45 DEG C.In charging, when temperature reaches the temperature protection limit, thermal conditioning will lead to the charge power that battery system is received
It reduces, or even temporarily ceases charging operations when temperature is close to 60 DEG C.This phenomenon is very common in remote stroke, in long distance
From during stroke, initial charge temperature is maintained near the protection limit.The row of motor vehicles is schematically shown in Fig. 1
Journey executes the known method of current techniques during the trip to carry out thermal conditioning to battery system.First curve graph is on the y axis
Battery system temperature is shown to change with time.In low portion, the second curve graph shows on the y axis in position P0, fills
The stroke distances formed between position Px and destination locations Py where power station.When electrical power P ro needed for travelling is by being located at
It carves between t0 and moment t1 and the painted areas between moment t3 and moment t4 is shown.In moment t1, vehicle, which has arrived at, to be filled
Electric stake.The charge power Pre of implementation is shown by the painted areas between moment t1 and moment t2.It observes, when starting to fill
When electric, temperature is increased rapidly, this causes charging operations to interrupt.This temperature protection measure increases the charging time and dramatically increases
Journey time.Additionally it is believed that will lead to thermal loss excessively high for supper-fast charging, so that temperature adjusts dress during the charging process
Resulting thermal shock can not be weakened by setting.
Known references WO2014008122 describes one kind and proposes during charging to battery system offer active thermal tune
The charging solution of section.Once vehicle is connected to charging pile, this method just carries out the first stage, is used for determination and fills in triggering
Target temperature to be achieved before electrically operated.However, due to only just triggering charging operations when thermal conditioning has reached target temperature,
Therefore charging operations are extended.
Summary of the invention
Therefore, it during charging by so-called quick charge stake or supper-fast charging pile, needs to reduce the operating time.Especially
Ground can weaken thermal shock caused by so-called supper-fast charging pile (power is greater than 50kW) it is expected that proposing a kind of motor vehicles
And multiple charging operations can be received in remote route, without there is current limit in quick charge stake.
More accurately, the present invention relates to a kind of thermal conditioning method for motor vehicle battery system, this method includes true
The target temperature for determining battery system needs to reach in the triggering moment for carrying out plan charging to battery system by selected charging pile
The target temperature.According to the present invention, this method further comprises: determining the usability status of charging pile and the charging pile of vehicle
Availability start plan the moment, and prevent trigger the unavailability state of charging immediately in the case where, opened in availability
Begin to trigger the active thermal conditioning that target temperature is arrived in control before the plan moment.
Advantageously, usability status is determined according at least to the plan route for reaching selected charging pile, and availability is opened
Plan moment beginning is the estimated value that vehicle reaches the selected charging pile moment.
In modification, if the planned supply moment is later than estimated value at the time of vehicle reaches selected charging pile, availability
Start to plan the plan moment that the moment is the charging current that selected charging pile supply has certain value, the value of the charging current is vehicle
The maximum current value that is received of charging interface.
Adjusting method can be carried out according to two kinds of active heat regulation modes.This method further comprises determining first and
In two time limits, which is the remaining time limit estimated value before reaching recharge availability and starting to plan the moment, and the second phase
Limit be carry out thermal conditioning to reach the time limit estimated value of the first operator scheme of target temperature, and if the first time limit be greater than the
Two time limits then became equal to second phase control triggering in limited time first operator scheme when the first time limit.
According to modification, the second time limit can be calculated according to vehicle heat regulating device with maximum cooling/heating potentiality.
In addition, this method includes the second operator scheme of thermal conditioning, wherein temperature curve is configured to when charging pile selects
It carves and recharge availability starts to plan to progressively reach target temperature between the moment, and the thermal conditioning of second operator scheme is by temperature
Curve controlled.
Preferably, this method further comprise determining no active temperature thermal conditioning effect when charging pile selection the moment with
Availability starts to plan the temperature change estimated value of the battery system between the moment, and only starts to plan the moment in availability
In the case where estimating that temperature is different from target temperature, this method just allows to trigger active thermal conditioning.
Specifically, maximum temperature threshold is terminated according to plan charging time limit, plan charge power and charging to calculate target
Temperature.
In addition, charging terminates maximum temperature threshold in order to make charging current keep maximum in entirely plan charging process
Equal to the threshold value of the charging current of triggering limitation battery system.
According to the present invention, a kind of motor vehicles with control device are provided, which is configured to execute according to upper
The method for stating any one in embodiment.
Through the invention, the Grape berry of battery system prevents the appearance of current limit.In fact, the heat of battery system
Substance reduces the thermal shock as caused by high-power charging operations.Therefore, the charging current that the charging interface of vehicle is received begins
It is in maximum value eventually.Therefore reduce the charging time.In addition, through the invention, not needing the ruler that heat regulating device is excessively arranged
It is very little, so that the heat regulating device can maintain to fill electrically compatible operating temperature with high-power.
Detailed description of the invention
By read it is included below provided as non-restrictive example and by the embodiment of the present invention shown in attached drawing in detail retouching
It states, other features and advantages of the present invention will more clearly show, in the accompanying drawings:
- Fig. 1 is described in the description of background technique, to illustrate known thermal conditioning method；
Fig. 2 shows the block diagrams of electric vehicle function involved in implementation thermal conditioning method according to the present invention；
- Fig. 3 shows the sequence illustrated for describing thermal conditioning method according to the present invention；
- Fig. 4 shows the first operator scheme of thermal conditioning method；
- Fig. 5 shows the second operator scheme of thermal conditioning method.
Specific embodiment
The present invention relates to the charging operations of battery system, and find for the vehicle compatible with so-called super-quick charging power station
Particularly advantageous application, the super-quick charging power station provide the charge power for being greater than 50kW.It will be retouched for electric motor vehicle system
State the present invention.A part of the function of electric vehicle 20 involved in the implementation of this method is diagrammatically illustrated in Fig. 2.So
And it is suitable for the hybrid vehicle with charging interface.Vehicle includes the functional device that will be described below
21 are responsible for controlling the functional device of vehicle to functional device 26 wherein having control device 22 (also referred to as manager).
In general, electric motor vehicle includes the electrical haulage module 26 with wheel group and motor 27.It is shown herein
With the traction module of single motor in vehicle bridge, however, it is suitable for including two or more motors and basis
The electrical haulage module well known by persons skilled in the art that other construct to install.In manipulation electrical haulage module 26 to be provided to wheel
When torque, electrical haulage module 26 consumes the electric power provided by electrokinetic cell system 21, and in control electrical haulage module 26 with right
When battery system 21 charges, which generates electric power.
Electrokinetic cell system 21 mainly powers to traction module 26.Battery system is usually constituted and is wrapped by multiple battery units
Control device is included, the function of the control device is to control charging cycle and discharge cycles during driving.In addition, the battery
System includes temperature control equipment, which can run according to passive shaping modes, to prevent battery unit
The critical operation limit of minimum temperature threshold and about 60 DEG C of maximum temperature threshold value more than for example, about 15 DEG C.For this purpose,
Temperature control equipment regulation can carry out current limit when the temperature of battery system reaches 60 DEG C to reach 0 ampere.Battery system
System 21 includes the measuring device for measuring its movement parameter, and is capable of providing and is related to the information of its movement parameter, to pass through
The control device 22 of vehicle manipulates the battery system 21, and the information especially charged state is horizontal, operation transient temperature, battery
Voltage, charge/discharge current at terminals, the charging current according to charged state is horizontal and transient temperature and receives, inside
Resistance, component health parameters, capacitance.
In addition, the temperature control equipment of battery system 21 also by with thermodynamic cycle loop type heat regulating device 23 cooperate and
It is run according to active heat regulation mode.In general, heat regulating device 23 is made of hydraulic circuit, which includes at least compression
Machine, condenser, expanding machine and evaporator, and heat transport fluid recycles in the hydraulic circuit.The circuit by heat exchanger with
The cooperation of battery system 21 is with cooling or heats the battery system.
In general, the hydraulic circuit of the heat transport fluid of heat regulating device 23 is arranged to discharge heat, and it is arranged to pass through heat
Exchanger provides thermal energy to the hot substance of battery system 21.If heat regulating device 23 is empty for cooling and heating such as driver's cabin
The other equipment of the condenser on road are recalled to, then the heat that the duplexure of heat regulating device 23 is specifically dedicated to battery system 21 is adjusted
Section, and therefore include the heat exchanger of plate or tubular type, the heat exchanger and the hot substance of formation battery system 21
Component contact.It should be noted that the duplexure of heat regulating device 23 include for control heat transport fluid circulation component (such as
Valve and temperature sensor), it is manipulated by control device 22.Control device 22 by desired temperature and thermal conditioning activation signal come
Manipulate control unit.
In addition, if heat regulating device 23 is used for cooling driver's cabin, then in the need of the needs of battery system and driver's cabin
The cooling/heating potentiality of heat regulating device 23 are distributed between wanting.Therefore, the distribution of cooling potential is set.Heat regulating device 23 to
Control device 22 provides the status information about cooling/heating potentiality, to control the circulation of heat transport fluid.
In addition, electric vehicle 20 includes navigation device 25, which is suitable for (passing through by the positioning device of vehicle
Such as satellite technology), road-map, route planning program, Traffic Information and road service carry out road guide
Function.In order to execute thermal conditioning method, navigation device 25 provide operating range, the remaining running time for reaching selected charging pile,
And Traffic Information.This is definitely not complete inventory, and other navigation datas can be used for executing adjusting method.Below
Description in, use of the thermal conditioning method to navigation data will be described.
In addition, navigation device 25 includes service module, which lists in remote information system 28 for managing
Charging station at charging.More specifically, charging service module has charging pile positioning figure, and provide each charging pile attribute
Information database.Particularly, charging service module can point out charging pile can with charge power, charging service available mode,
And possible charging triggering moment.In addition, charging service module provides the function of reservation charging stake in advance, to ensure to charge
The availability of stake.It should be noted that charging service module is communicated with remote information system 28, it is related with charging station to obtain in real time
Information (charge power, usability status, possible charging triggering moment, waiting time, geographical location, charging expense
Deng ...).For this purpose, the navigation device 25 of vehicle is via frequency communication devices (for example, cellular phone network) and information system
28 communication of system.
It should supplement, navigation device 25 is the vehicle module of vehicle.It can also be achieved, it passes through driver just
Equipment is taken to execute all or part of function of the navigation device 25, the portable equipment is for example equipped with for managing Vehicular charging
Application-specific mobile telephone equipment.For this purpose, driver portable equipment and vehicle navigation device 25 it
Between there are short-range communication means (wired or radio frequencies).
In addition, vehicle 20 includes charging interface 24, the charging pile 29 for being intended to and being connected to power grid cooperates.Charging interface 24
Charging pile 29 is connected to by cable or wireless charging technology.The compatible a certain range of high-power charging function of charging interface 24
Rate, and especially compatible so-called quick charge, the quick charge have greater than 50kW and can reach the electrical power of 350kW.
In the so-called super-quick charging electric process of 350kW, estimate that the thermal energy average loss of battery system is about 50 kilowatts or so.If
At about 40 degree or so, then resulting battery system temperature increases trigger current to limit rapidly initial charge temperature
Measure.
Finally, control device 22 includes IC computer, driving and navigation needed for being used to execute vehicle operation
Program.Manager is responsible for the equipment in the power assembly of control and car spotting 20, especially battery system 21, heat regulating device
23, traction module 26, charging interface 24 and navigation device 25.
Control device 22 is able to carry out the thermal conditioning method of battery system according to the present invention.According to centralised functions point
Match, all steps of adjusting method are executed by control device 22.According to distributing allocation model, anti-point of one in these steps
It fits in above equipment.When vehicle is in driving status and drives towards charging station during the triggering moment of charging, hot tune is carried out
Section method.The advantage is that Grape berry is carried out to battery system, to prevent from occurring current limit during charging.Therefore, heat punching
It hits so that its effect limitation for not being conditioned device 23.Through the invention, the caloic of the battery system 21 of temperature is reduced in advance
Amount reduces the thermal shock.Fig. 3 shows the sequence illustrated for carrying out thermal conditioning method, and Fig. 4 and Fig. 5, which are shown, is executing thermal conditioning
The temperature change of battery system 21 during method.
In step 300, vehicle is shown at traveling and time ta in Fig. 4.At this stage, driver is according to its meter
The usability status of existing charging pile near route is drawn to select charging pile 29, which shows in the lower part of Fig. 4.It leads
The function of boat device 25 including compiling plan route information and the charging service provided by information system 28.In order to reduce charging
Time, driver will be preferably chosen quick charge stake, and the transportable charging current of the quick charge stake is equal to filling by vehicle
The maximum charging current that electrical interface 24 receives.By navigation interface, driver's ta selection at the time of starting to plan route is located at
Charging pile 29 at the P1 of position, position P1 correspond to tc at the time of on plan route.Driver has planned according to navigation device
Plan route in 25 is moved.Plan route include the first section TRA and the second section TRB, the first section TRA when
Carve ta when position P0 and by between the charging pile position P1 reached when estimating moment tc, the second section TRB is in position P1
Between the P2 of position.
In step 301, manager determines the attribute of charging pile 29, and the attribute especially charging pile is in plan route
Geographical location in TRA can use charge power, and point out whether the charging pile is empty when tc at the time of charging pile is arrived in estimation
Not busy, occupied or scheduled state.Particularly, this method determines that the usability status of charging pile and charging pile are available
Property start plan moment tc.Usability status is determined according at least to the plan route TRA for reaching selected charging pile.Therefore, root
Estimated value according to the plan time limit Dpar for reaching selected charging pile to vehicle starts to plan moment tc to calculate availability.Such as scheming
It can see in 4 and Fig. 5, the availability of charging pile start to plan moment tc to be estimated at the time of reaching charging pile 29 to vehicle
Evaluation.
However, other situations are also possible.If navigation device 25 detects that when vehicle reaches, there is plan waits
Waiting time to allow attachment to charging pile, is then added to arrival time tc to calculate availability start time by the time.
If charging pile is capable of supply that the quick charge power equal to or more than 50kW, further according to quick charge function
Rate availability waits the time limit to calculate availability and start to plan moment tc.Therefore, this method includes detecting step: relative to for example
It is defined as 50kW or bigger predetermined threshold, detection charging pile can use charge power.If the planned supply moment is later than vehicle and arrives
Estimated value at the time of up to selected charging pile 29, then availability start time is that have filling for certain value by selecting the supply of charging pile 29
The plan moment of electric current, the value of the charging current be Vehicular charging interface 24 received maximum current value.It can be tool
There is a charging station setting waiting time of multiple charging piles, and the charging pile electric power of this charging station can be temporarilly reduced with to all
Charging pile power supply.
Then in step 302, this method detection recharge availability start plan moment tc whether be equal to moment ta, this when
At the time of ta is carved corresponding to selection charging pile 29.If the result is that certainly, method then proceeds to step 313.Will with
In lower description described the stage.
Since vehicle still has to by section TRA, so situation is really not so under this travel situations.Therefore, this is
The unavailability state of charging pile 29, the unavailability state prevent triggering charging immediately, and then, processing proceeds to step 303.
In step 303, this method has identified traveling time Dpar at the time of reaching charging pile before tc.This
It is the chance for allowing to carry out battery system 21 before triggering charging operations in moment tc Grape berry.This method determines battery
The target temperature Tcib of system needs to reach target temperature Tcib to trigger the charging provided by selecting charging pile 29.Mesh
Marking temperature is numerical value or numberical range.For example, it is estimated that, for receiving the initial target charging temperature of quick charge
Between battery system minimum operation limit STmin (such as 15 DEG C) and about 25 DEG C.Target temperature can be selected as numerical value
The maximum figure of range, to avoid the excessive power consumption of heat regulating device.
For this purpose, target temperature Tcib is the predetermined value configured in manager, such as the value at 15 DEG C in the first modification
And between 25 DEG C.(there is regulation depth of charge and intended duration, the charging according to the reference charge mode determined in Car design
Depth is, for example, the 60% of battery system total capacity) predetermined value Tcib is calibrated, target temperature Tcib ensures the quick charge phase
Between will not trigger current limitation.More specifically, target temperature Tcib is arranged so that the hot substance of battery system 21 prevents temperature
Raising is more than max-thresholds STmax.
In the second variant, control device 22 calculates target temperature Tcib according to the instantaneous state of battery system 21.It is right
In the charging for the 30% lower depth of charge for being, for example, less than battery system capacity, which is particularly advantageous.More specifically,
According to the plan charging time limit, can be calculated with charge power (50kw or bigger) and charging end maximum temperature threshold STmax
Target temperature Tcib, maximum temperature threshold STmax are defined as 55 DEG C in the example of fig. 4, STmax pairs of the maximum temperature threshold
The maximum temperature threshold that should be limited in trigger current.Current limit is lower than instantaneous charge current and is configured to reduce charging current,
It is increased to reduce the temperature of battery, until charging current is zero.
More specifically, calculating the plan charging time limit by being intended to route TRA as input parameter.Mould is estimated in the electric discharge
Formula calculates the estimated value of the charged state level of battery system 21 when moment tc reaches charging pile 29, and it is thus determined that plan
Depth of charge.Then, according in the maximum charging current and charging pile 29 for planning depth of charge, the receiving of battery system 21
Charge power can be used, control device calculates the estimated value in charging time limit.The charging time limit, which corresponds to, receives charging current by maximum
The uninterrupted charging activity of control.Receive charging current based on plan charging time limit and maximum, control device 22 calculates in temperature
Rise estimated value Vmt.Then, by terminating to subtract temperature rising value Vmt, control device in maximum temperature threshold STmax from charging
22 determine the value of target temperature Tcib.It should be noted that in the case where quick charge, even if under the action of regulating device 23,
Charging current has also reached certain value, which prevents the decline or holding of battery system temperature.
In addition, according to the charged state of moment ta, plan route TRA and for the required electrical power by section TRA
The estimated value of Pro calculates the charged state horizontal estimated value of battery system 21.Control device 22 has according to plan route
Power consumption model is used to estimate the charged state variation of plan route.
In addition, in step 304, this method includes determining when no active temperature thermal conditioning acts in charging pile selection
It carves ta and availability starts to plan the estimated value of the temperature change Prf of the battery system 21 between moment tc, and only available
Property start plan moment tc when finally estimate that temperature Tfin is different from target temperature Tcib in the case where, this method is just further awarded
Power triggering active temperature is adjusted.In fact, if on the TRA of section the estimated value of temperature change Prf make battery system reach with
The final temperature Tfin of target temperature Tcib or target temperature range compatibility, then there is no need to active thermal conditionings.Therefore, this keeps away
Unnecessary power consumption is exempted from.The estimated value of temperature change Prf provides the final estimated value in no active thermal adjustment effect
Tfin.Temperature change Prf is calculated according to traveling weather conditions and by the required electrical power P ro of section TRA.
As shown in figure 4, after the step 304, executing a series of detections related with the temperature of battery system 21.In step
In 305, whether this method detection final temperature estimated value Tfin is equal to target temperature Tcib.If the result is that certainly, mistake
Journey returns to initial step 301.Otherwise, this method then detects the transient temperature Tbat of battery system 21 within step 306 is
It is no to be equal to target temperature Tcib.If result is affirmative, processing returns to arrive initial step 301.Otherwise, processing proceeds to next
Step 307.
In step 307, this method determines the heat for reaching target temperature Tcib according to the transient temperature of battery system 21
The time limit Dreg of operation is adjusted, which corresponds to the estimated value of the temperature change Prf in the TRA of section.Time limit Dreg is logical
The operational mode of temperature adjustment model and thermal conditioning of the overwriting in controller of vehicle 22 is estimated.Temperature adjusts the time limit
Dreg is calculated by heat regulating device 23 according to thermal energy potentiality (refrigeration or heating potentiality).Thermal conditioning operation mode is regulating device
23 permitted maximum horizontal refrigeration for battery system 21 or the shaping modes for heating potentiality.
It is well known that the thermal energy potentiality for battery system 21 depend on the distribution between driver's cabin and battery system 21.
In modification, the allocation strategy of control device 22 can be in the case where aggregate demand be greater than the maximum capacity of regulating device 23, In
Weights assigned is set between the heat demand of driver's cabin and the heat demand of battery system.
In step 308, whether this method detection time limit Dreg is equal to or more than remainder stroke time limit Dpar.It is affirmed in result
In the case where, thermal conditioning operation is triggered since moment ta, and method proceeds to step 309.Such case is not institute in Fig. 4
The case where showing.
If time limit Dreg is less than remainder stroke time limit Dpar, basis is described below and by double solid line type temperature in Fig. 4
Degree line M1 and M2 and one in two heat regulation modes showing trigger active thermal conditioning.In first mode and second mode
Between selection depend on control device 22 configuration parameter.
In the step 310, in the first heat regulation mode M1, future time tb1 is postponed till into the triggering that thermal conditioning operates,
For moment tb1, remainder stroke time limit Dpar should be equal to by adjusting time limit Dreg.Tb1 corresponds to moment ta and moment tc
Between plan route TRA at the time of.Because the temperature of battery system will accurately tc be arrived at the time of recharge availability starts
Up to target temperature Tcib, vehicle is arrived at the time of moment tc is vehicle arrival charging pile or in the case where in advance in respect of the waiting time
At the time of after up to charging pile, so first shaping modes allow to save the electric energy of battery system.In addition, first thermal conditioning
Mode M1 using regulating device 23 the maximum cooling/heating potentiality that can be used for battery system.It should be noted that adjusting the time limit
The control of Dreg and remainder stroke time limit Dpar carry out on route TRA, and control device 22 is activated in moment tbl to actively
The triggering of thermal conditioning, then active thermal conditioning control to target temperature Tcib.Heat regulating device 23 will calculate in step 303
Target temperature Tcib out, which is received, is used as thermal conditioning setting value.
In step 311, in the second heat regulation mode M2, hot tune is triggered since moment ta (charging pile selects the moment)
Section operation.Operation for second shaping modes M2, temperature curve are configured to select moment ta available to charging from charging pile
Property the plan moment tc that starts progressively reach target temperature Tcib, and thermal conditioning is controlled according to temperature curve M2.It should be noted that
Because the refrigeration instantaneously applied is lower than the refrigeration of first mode M1, temperature change has lower slope.The spy of this mode
Point is in particular, in that the cab comfort kept constant.Different from first mode, control device 22 is activated in moment ta and is adjusted to heat
The triggering of section and by gliding temperature profile changeover be thermal conditioning setting value.
Then, when the temperature of battery system 21 reaches target temperature Tcib, method proceeds to step 312.The stage pair
Should at the time of reaching charging pile 29 tc.To be greater than the electrically operated compatible temperature strip of super-quick charging of 50kW with charge power Pre
Part pre-processes battery system 21.In the step 312, vehicle is connected to selected charging pile 29, and to be greater than the charging function of 50kW
Rate Pre triggering charging.
See as in Fig. 4, after moment tc, is subtracted completely by the hot substance of battery system 21 since temperature raises
It is weak, therefore plan charging operations have been carried out there is no limit charging current.If hot substance can completely inhibit temperature
Degree rises, then charging operations are executed in the case where no thermal conditioning acts on, or carries out charging operations under thermal conditioning effect.
Charge power Pre is kept constant during whole operation.In addition, due to during vehicle driving to charging pile 29 and according to
It needs to have carried out Grape berry in the waiting time at charging pile, therefore the charging time can be shortened.
As shown in figure 4, the temperature of battery system reaches maximum temperature threshold STmax in moment td.If driver wishes
Immediately continue with traveling, he should waiting temperature decline continue stroke after moment te to complete section TRB until moment te.
This temperature decline passively carries out, or it is contemplated that acetyl control device 22 carries out active thermal at the end of charging operations
It adjusts.
In order to avoid waiting time, in the alternate embodiment of method, target temperature Tcib is calculated, so that charging knot
Shu Wendu reaches certain value, which allows to have best traveling electrical power P ro after carving td at the end of charging.Show in Fig. 5
Such case is gone out.The appended drawing reference of Fig. 5 is identical as Fig. 4 holding, and performed heat regulation mode is to have retouched in Fig. 4
The the first shaping modes M1 stated.In this case, this method is executed similar to the case where Fig. 4, and difference is to touch in moment tb2
Send out the active thermal conditioning controlled by desired temperature Tcib.
Different from Fig. 4, target temperature Tcib is configured to the value of minimum temperature threshold STmin, such as 15 DEG C.Recognize, most
Small temperature threshold corresponds to temperature extremes, is lower than the temperature extremes, and the operation of battery system is not optimal (such as under performance
Drop, accelerated ageing).The threshold value can correspond to when the temperature of battery system reaches the threshold value heat regulating device to the battery system
System provides the threshold value of heat.Under this heat regulation mode, after time point td charging, electrical haulage module can be in the best way
Operation, without the risk of current limit, the current limit be by charging terminate temperature it is excessively high and cause generate.It drives
Member can since moment td the second section.Charging operations are reduced.
The process of this method in step 313 will now be described.In step 302, this method have been detected by charging can
It is equal to moment ta with property start time tc.In this case, different from situation shown in Figure 4 and 5, vehicle, which has been coupled to, to be filled
Electric stake 29, and can from moment ta triggering charge power.Similar to step 303, this method calculates target temperature Tcib.In
Step 314, it if this method detects that transient temperature Tbat is different from target temperature Tcib or the compatible temperature range that charges, controls
Device 22 processed is in step 315 triggering thermal conditioning operation.Calculated target temperature setting value is sent to hot tune in step 313
Regulating device 23.Otherwise, method proceeds to step 312, and without thermal conditioning.In the step 312, to be greater than the charging function of 50kW
Rate Pre triggering charging.
The case where vehicle not yet reaches selected charging pile is described into Fig. 5 in Fig. 3.Under another travel situations,
Vehicle has been coupled to charging pile, and charging pile selection is carried out during vehicle is connected to charging pile.However, since charging pile is solid
The reason of having, the charging current that charging pile can be supplied in connection are less than the maximum current that charging interface 24 is received, even
It is zero.Control device determines that recharge availability is opened by directly checking usability status data in charging pile via charging interface
Begin the plan moment.Therefore, availability, which starts to plan the moment, is can trigger at the time of charged by selected charging pile, which permits
Perhaps the 24 received maximum current of institute of supply of vehicles charging interface.Therefore, this method carries out battery system using the waiting time
Grape berry.
Claims (10)
1. one kind is used for the thermal conditioning method of motor vehicle battery system (21), the method includes determination (303) batteries
The target temperature (Tcib) of system is needed in the triggering for carrying out plan charging to the battery system by selected charging pile (29)
Moment reaches the target temperature, which is characterized in that the method further includes: determine (301) described charging pile (29)
Usability status and the availability of the charging pile (29) for the vehicle start to plan moment (tc), and are preventing
In the case where the unavailability state for triggering charging immediately, (309 are triggered before the availability starts to plan moment (tc)；
310；311) the active thermal conditioning of the target temperature (Tcib) is arrived in control.
2. the method according to claim 1, wherein according at least to the plan for reaching the selected charging pile (29)
Route (TRA) determines the usability status, also, the availability starts to plan moment (tc) to be that the vehicle reaches institute
Estimated value at the time of stating selected charging pile (29).
3. according to the method described in claim 2, it is characterized in that, being later than described in the vehicle arrival if supplying the moment according to plan
The moment estimated value of selected charging pile (29), then the availability starts to plan moment (tc) to be the selected charging pile
(29) supply has the plan moment of the charging current of certain value, and the value of the charging current is the charging interface of the vehicle
(24) value of the maximum current received.
4. according to the method in any one of claims 1 to 3, which is characterized in that further comprise to the first and second phases
The determination (307) of (Dpar, Dreg) is limited, first time limit (Dpar) is to start to plan the moment in the arrival recharge availability
(tc) the remaining time limit estimated value before, and second time limit (Dreg) is to carry out thermal conditioning to reach the target temperature
(Tcib) the time limit estimated value of first operator scheme (M1), and if first time limit (Dpar) be greater than the second phase
It limits (Dreg), then when first time limit becomes equal to the second phase, control triggers the first operator scheme in limited time.
5. according to the method described in claim 4, it is characterized in that, second time limit (Dreg) according to the vehicle heat adjust
Regulating device (23) can be calculated with maximum cooling/heating potentiality.
6. method according to claim 4 or 5, which is characterized in that further comprise the second operator scheme of thermal conditioning
(M2), in the second operator scheme, temperature curve is configured to select moment (ta) and the charging can in the charging pile
Start to plan to progressively reach the target temperature (Tcib) between moment (tc) with property, also, the heat of the second operator scheme
Adjusting is controlled by the temperature curve.
7. according to the method described in claim 6, it is characterized in that, further comprising determining (304) without the active temperature
Start to plan the electricity between moment (tc) in charging pile selection moment (ta) and the availability when thermal conditioning acts on
The estimated value of the temperature change (Prf) of cell system, and only start the estimation temperature of plan moment (tc) in the availability
(Tfin) in the case where different from the target temperature (Tcib), the method just allows to trigger the active thermal conditioning.
8. method according to any one of claim 1 to 7, which is characterized in that charged according to plan charging time limit, plan
Power and charging terminate maximum temperature threshold (STmax) to calculate the target temperature (Tcib).
9. according to the method described in claim 8, it is characterized in that, charging end maximum temperature threshold (STmax) is equal to
Triggering limits the threshold value of the charging current of the battery system.
10. the motor vehicles that one kind includes control device (22), which is characterized in that the control device (22) is configured to execute root
According to method described in any one of preceding claims.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1753141A FR3065118B1 (en) | 2017-04-11 | 2017-04-11 | METHOD FOR THERMALLY CONTROLLING A BATTERY SYSTEM FOR RAPID RECHARGING OF AN ELECTRIC MOTOR VEHICLE |
| FR1753141 | 2017-04-11 | ||
| PCT/FR2018/050553 WO2018189438A1 (en) | 2017-04-11 | 2018-03-09 | Method for controlling the temperature of a battery system for fast charging of an electric motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110506359A true CN110506359A (en) | 2019-11-26 |
| CN110506359B CN110506359B (en) | 2022-09-20 |
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ID=59031183
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880024733.5A Active CN110506359B (en) | 2017-04-11 | 2018-03-09 | Method for thermally regulating a fast-charging battery system of an electric motor vehicle |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3610533A1 (en) |
| CN (1) | CN110506359B (en) |
| FR (1) | FR3065118B1 (en) |
| MA (1) | MA50282A (en) |
| WO (1) | WO2018189438A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112789758A (en) * | 2020-01-13 | 2021-05-11 | 深圳市大疆创新科技有限公司 | Battery control method, movable platform, system and computer readable storage medium |
| US20220176100A1 (en) * | 2020-12-08 | 2022-06-09 | Medtronic, Inc. | Automated and semi-automated designs for battery conditioning in a fully implanted lvad |
| CN114801889A (en) * | 2022-03-21 | 2022-07-29 | 中国第一汽车股份有限公司 | Intelligent charging control method, system, terminal and storage medium for electric automobile |
| WO2024092779A1 (en) * | 2022-11-04 | 2024-05-10 | 宁德时代新能源科技股份有限公司 | Method for thermal management during charging of vehicle, device, and medium |
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| CN109412234B (en) * | 2018-11-13 | 2022-07-12 | Oppo（重庆）智能科技有限公司 | Charging circuit, charging processing method, electronic device, and storage medium |
| FR3096315A1 (en) * | 2019-05-24 | 2020-11-27 | Psa Automobiles Sa | Method and device for managing the charge of an electric vehicle |
| US11966840B2 (en) * | 2019-08-15 | 2024-04-23 | Noodle Analytics, Inc. | Deep probabilistic decision machines |
| KR102668312B1 (en) * | 2019-08-22 | 2024-05-22 | 현대자동차주식회사 | Method and apparatus for reservation charge control |
| FR3119573A1 (en) * | 2021-02-05 | 2022-08-12 | Psa Automobiles Sa | METHOD FOR ESTIMATING A STATE OF CHARGE OF AN ELECTRIFIED VEHICLE BATTERY FOR A REMOTE SUPERVISION SYSTEM |
| FR3119803A1 (en) * | 2021-02-18 | 2022-08-19 | Valeo Systemes Thermiques | Charging control module for an electric vehicle battery and charging method |
| CN113442746A (en) * | 2021-06-28 | 2021-09-28 | 奇瑞新能源汽车股份有限公司 | High-voltage discharge method and device of power battery, vehicle and storage medium |
| FR3127916B1 (en) * | 2021-10-12 | 2024-05-03 | Renault Sas | Method and a system for managing the heat treatment of at least one element of an electric drive chain of a vehicle with an electric or hybrid engine |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018189438A1 (en) | 2018-10-18 |
| EP3610533A1 (en) | 2020-02-19 |
| FR3065118B1 (en) | 2019-04-19 |
| FR3065118A1 (en) | 2018-10-12 |
| MA50282A (en) | 2020-02-19 |
| CN110506359B (en) | 2022-09-20 |
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