CN107331923A - Temperature control method and device for power battery of electric vehicle - Google Patents
Temperature control method and device for power battery of electric vehicle Download PDFInfo
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- CN107331923A CN107331923A CN201710501488.XA CN201710501488A CN107331923A CN 107331923 A CN107331923 A CN 107331923A CN 201710501488 A CN201710501488 A CN 201710501488A CN 107331923 A CN107331923 A CN 107331923A
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- electrokinetic cell
- electric automobile
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 230000003068 static effect Effects 0.000 claims description 36
- 239000000178 monomer Substances 0.000 claims description 8
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
-
- 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
- H01M10/635—Control systems based on ambient temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The application provides a method and a device for controlling the temperature of a power battery of an electric automobile, wherein the method comprises the following steps: when the electric automobile is determined to be in a standing state, acquiring a current temperature value of a single battery cell of a power battery in the electric automobile; and when the current lowest temperature value of the single battery core of the power battery is determined to be lower than a heating temperature threshold value, starting a heating system to heat the power battery. Therefore, when the electric automobile is in a standing state, the temperature of the power battery in the electric automobile is controlled, the problem that the electric automobile cannot enter a slow charging stage and cannot start fast charging when the lowest temperature of a single battery core of the power battery is lower than a heating temperature threshold value under the standing state for a long time is solved, the influence of the lower environmental temperature on the power battery is avoided, the service life of the power battery is prolonged, and the user experience is improved.
Description
Technical field
The application is related to field of new energy technologies, more particularly to a kind of electric automobile power battery temprature control method and dress
Put.
Background technology
With being further exacerbated by for expanding economy and environmental problem and energy problem, the environmental consciousness of people gradually increases
By force, the electric automobile using vehicle power as power also gradually receives the favor of people.
Prior art, when electric automobile is in static condition for a long time, if environment temperature is relatively low, the monomer of electrokinetic cell
Battery core minimum temperature is less than heating-up temperature threshold value, now starts trickle charge charging, and electrokinetic cell can initially enter the Heat preservation stage
Or while charging while the heating period.Due to the Heat preservation stage or while charging while time heating period it is longer, which results in
Electrokinetic cell can not immediately enter the trickle charge charging stage, can not in time start and charge soon, have impact on the charge requirement of user.
And electrokinetic cell is under the relatively low environment of temperature for a long time, performance is highly prone to influence.
The content of the invention
The application is intended at least solve one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the application is to propose a kind of electric automobile power battery temprature control method, realize
When electric automobile is in static condition, the temperature to electrokinetic cell in electric automobile is controlled, solve electric automobile
It is in long-time under static condition, when the single battery core minimum temperature of electrokinetic cell is less than heating-up temperature threshold value, it is impossible in time
Into the trickle charge charging stage, the problem of also can not starting charging soon, while it is relatively low to electrokinetic cell to avoid environment temperature
Influence, extends the service life of electrokinetic cell, improves Consumer's Experience.
Second purpose of the application is to propose a kind of electric automobile power battery temperature control equipment.
For up to above-mentioned purpose, the application first aspect embodiment proposes a kind of electric automobile power battery temperature control side
Method, including：
When it is determined that electric automobile is in static condition, electrokinetic cell single battery core in the electric automobile is obtained current
Temperature value；
When it is determined that the current lowest temperature angle value of the electrokinetic cell single battery core is less than heating-up temperature threshold value, start heating
System is that the electrokinetic cell is heated.
The electric automobile power battery temprature control method that the embodiment of the present application is provided, first it is determined that electric automobile is in
During static condition, the current temperature value of electrokinetic cell single battery core in electric automobile is obtained, then it is determined that electrokinetic cell monomer
When the current lowest temperature angle value of battery core is less than heating-up temperature threshold value, it is that electrokinetic cell is heated to start heating system.By
This, realizes when electric automobile is in static condition, the temperature to electrokinetic cell in electric automobile is controlled, and solves electricity
Electrical automobile is under static condition in long-time, when the minimum temperature of electrokinetic cell single battery core is less than heating-up temperature threshold value, nothing
Method timely enters the trickle charge charging stage, the problem of also can not starting charging soon, it is to avoid environment temperature is relatively low to electrokinetic cell
Influence, extend the service life of electrokinetic cell, improve Consumer's Experience.
For up to above-mentioned purpose, the second face of the application embodiment proposes a kind of electric automobile power battery temperature control dress
Put, including：
Acquisition module, for when it is determined that electric automobile is in static condition, obtaining electrokinetic cell in the electric automobile
The current temperature value of single battery core；
First processing module, for it is determined that the current lowest temperature angle value of the electrokinetic cell single battery core is less than heating temperature
When spending threshold value, it is that the electrokinetic cell is heated to start heating system.
The electric automobile power battery temperature control equipment that the embodiment of the present application is provided, first it is determined that electric automobile is in
During static condition, the current temperature value of electrokinetic cell single battery core in electric automobile is obtained, then it is determined that electrokinetic cell monomer
When the current lowest temperature angle value of battery core is less than heating-up temperature threshold value, it is that electrokinetic cell is heated to start heating system.By
This, realizes when electric automobile is in static condition, the temperature to electrokinetic cell in electric automobile is controlled, and solves electricity
Electrical automobile is under static condition in long-time, when the single battery core minimum temperature of electrokinetic cell is less than heating-up temperature threshold value, nothing
Method timely enters the trickle charge charging stage, the problem of also can not starting charging soon, it is to avoid environment temperature is relatively low to electrokinetic cell
Influence, extend the service life of electrokinetic cell, improve Consumer's Experience.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow sheet of the electric automobile power battery temprature control method of the application one embodiment；
Figure 1A is the electrokinetic cell heater circuit figure of the application one embodiment；
Fig. 2 is the schematic flow sheet of the electric automobile power battery temprature control method of the application another embodiment；
Fig. 3 is the structural representation of the electric automobile power battery temperature control equipment of the application one embodiment；
Fig. 4 is the structural representation of the electric automobile power battery temperature control equipment of the application another embodiment；
Fig. 5 is the structural representation of the electric automobile of the application one embodiment.
Embodiment
Embodiments herein is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and it is not intended that limitation to the application.
The embodiment of the present invention be directed to prior art, electric automobile for a long time be in static condition when, if environment temperature compared with
Low, the single battery core minimum temperature of electrokinetic cell is less than heating-up temperature threshold value, now starts trickle charge charging, electrokinetic cell can be first
Entry time longer Heat preservation stage or the heating period in charging, and the trickle charge charging stage can not be immediately entered,
It can not in time start and charge soon, have impact on the charge requirement of user, and electrokinetic cell is for a long time in the relatively low environment of temperature
Under, the problem of performance is highly prone to influence proposes a kind of electric automobile power battery temprature control method.
Electric automobile power battery temprature control method provided in an embodiment of the present invention, it is determined that electric automobile is in standing
During state, the temperature value of electrokinetic cell single battery core in electric automobile is obtained, and in the minimum temperature of electrokinetic cell single battery core
When value is less than heating-up temperature threshold value, it is that electrokinetic cell is heated to start heating system, solves electric automobile when long
Between be under static condition, when the minimum temperature of electrokinetic cell single battery core is less than heating-up temperature threshold value, it is impossible to timely enter slow
Fill the charging stage, the problem of also can not starting charging soon, it is to avoid the environment temperature relatively low influence to electrokinetic cell, extend
The service life of electrokinetic cell, improves Consumer's Experience.
Below with reference to the accompanying drawings the electric automobile power battery temprature control method and device of the embodiment of the present invention described.
Fig. 1 is the schematic flow sheet of the electric automobile power battery temprature control method of one embodiment of the invention.
As shown in figure 1, the electric automobile power battery temprature control method includes：
Step 101, when it is determined that electric automobile is in static condition, obtain electrokinetic cell single battery core in electric automobile and work as
Preceding temperature value.
Wherein, electric automobile power battery temprature control method provided in an embodiment of the present invention, can be by present invention implementation
The electric automobile power battery temperature control equipment that example is provided, hereinafter referred to as temperature control equipment are performed.Wherein, temperature control is filled
Putting can be configured in any terminal, be controlled for the temperature to electrokinetic cell in electric automobile.Wherein, the class of terminal
Type has a lot, such as can be mobile phone, computer, electric automobile etc..
It is understood that when electric automobile is in power-up state, electrokinetic cell is during supplying power for outside, it may occur that
Chemically react and automatic heat radiation, electrokinetic cell is heated up.Therefore, in the embodiment of the present invention, only electric automobile can be in quiet
During configuration state, the temperature of electrokinetic cell is controlled.
Specifically, when it is determined that electric automobile is in static condition, can be by being installed on electrokinetic cell in electric automobile
Temperature sensor, obtain the current temperature value of electrokinetic cell single battery core.
Step 102, when it is determined that the current lowest temperature angle value of electrokinetic cell single battery core is less than heating-up temperature threshold value, start
Heating system is that electrokinetic cell is heated.
Wherein, the heating-up temperature threshold value of electrokinetic cell, is determined according to type, attribute of electrokinetic cell etc..
Specifically, can be that electrokinetic cell is heated by the electrokinetic cell heater circuit shown in Figure 1A.
When implementing, if the current lowest temperature angle value of electrokinetic cell U single battery cores is less than heating-up temperature threshold value, temperature
Control device can control time switch K to close, so as to pass through the semistor inside electrokinetic cell U
(Positive Temperature Coefficient, abbreviation PTC), is heated to electrokinetic cell U, and in electrokinetic cell U
Single battery core minimum temperature when rising to heating-up temperature threshold value, control time switch K disconnects, so as to realize to electrokinetic cell U
Temperature control.
It is understood that in practice, temperature control equipment can be only fitted to the remote monitoring of computer or mobile phone
In platform.If the current temperature of electrokinetic cell single battery core is less than heating-up temperature threshold value, remote monitoring platform can be to electronic
Board information terminal (TelematicsBOX, abbreviation TBOX) or remote monitoring system (Remote Monitoring in automobile
System, abbreviation RMS) send electrokinetic cell heating instructions.TBOX or RMS are received after heating instructions, can pass through CAN nets
Heating instructions are sent to entire car controller (Vehicle Control Unit, abbreviation VCU), then pass through CAN by VCU by network
Network is sent to battery management system (BatteryManagementSystem, abbreviation BMS), so that by BMS controls to power electric
The heating in pond.
Electric automobile power battery temprature control method provided in an embodiment of the present invention, first it is determined that electric automobile is in
During static condition, the current temperature value of electrokinetic cell single battery core in electric automobile is obtained, then it is determined that electrokinetic cell monomer
When the current lowest temperature angle value of battery core is less than heating-up temperature threshold value, it is that electrokinetic cell is heated to start heating system.By
This, realizes when electric automobile is in static condition, the temperature to electrokinetic cell in electric automobile is controlled, and solves electricity
Electrical automobile is under static condition in long-time, when the minimum temperature of electrokinetic cell single battery core is less than heating-up temperature threshold value, nothing
Method timely enters the trickle charge charging stage, the problem of also can not starting charging soon, it is to avoid environment temperature is relatively low to electrokinetic cell
Influence, extend the service life of electrokinetic cell, improve Consumer's Experience.
, can be in electrokinetic cell single battery core when it is determined that electric automobile is in static condition by above-mentioned analysis
When current lowest temperature angle value is less than heating-up temperature threshold value, it is that electrokinetic cell is heated to start heating system.In reality
In, the current residual electric quantity of electrokinetic cell may be very low, to avoid the too fast consumption of electricity, of the invention a kind of possible
Way of realization in, can be combined with the current residual electric quantity of electrokinetic cell, the temperature to electrokinetic cell is controlled, below
With reference to Fig. 2, electric automobile power battery temprature control method provided in an embodiment of the present invention is further described.
Fig. 2 is the schematic flow sheet of the electric automobile power battery temprature control method of another embodiment of the present invention.
As shown in Fig. 2 the electric automobile power battery temprature control method includes：
Step 201, when it is determined that electric automobile is in static condition, obtain electrokinetic cell single battery core in electric automobile and work as
Preceding temperature value.
Step 202, when it is determined that the current lowest temperature angle value of electrokinetic cell single battery core is less than heating-up temperature threshold value, it is determined that
Whether the current residual electric quantity of electrokinetic cell is more than first threshold, if so, then performing step 203, otherwise, performs step 204.
Step 203, it is that electrokinetic cell is heated to start heating system.
Step 204, stop performing the operation for obtaining the current temperature value of electrokinetic cell single battery core.
Wherein, first threshold, can be determined as needed, such as, can be with empirically determined, can also be according to power electric
Determination such as type, the attribute in pond, etc..
If specifically, the current residual electric quantity of electrokinetic cell is more than first threshold, heating system can be started and be
Power battery is heated；If the current residual electric quantity of electrokinetic cell is less than or equal to first threshold, it can stop performing
The operation of the current temperature value of electrokinetic cell single battery core in electric automobile is obtained, to avoid the too fast of electrokinetic cell electricity from disappearing
Consumption.
It is understood that in embodiments of the present invention, after heating to the electrokinetic cell of electric automobile, if dynamic
Power battery is still within static condition, then the minimum temperature of electrokinetic cell single battery core may be again lowered to less than heating temperature
Spend threshold value.In embodiments of the present invention, it can obtain electrokinetic cell single battery core in electric automobile at a certain time interval and work as
Preceding temperature value, so as to when it is determined that the current lowest temperature angle value of electrokinetic cell single battery core is less than heating-up temperature threshold value, start
Heating system is that electrokinetic cell is heated.That is, in step 201, obtain electrokinetic cell single battery core in electric automobile and work as
Preceding temperature value, can include：
Obtain the current residual electric quantity of electrokinetic cell；
According to current residual electric quantity, it is determined that the time interval of the current temperature value of detection electrokinetic cell single battery core；
Using time interval as trigger condition, triggering performs the operation for the temperature value for obtaining electrokinetic cell single battery core.
Specifically, the current residual electric quantity of electrokinetic cell can be pre-set, work as with detection electrokinetic cell single battery core
The corresponding relation of the time interval of preceding temperature value, so that after the current residual electric quantity of electrokinetic cell is obtained, can basis
Default corresponding relation, it is determined that the time interval of the current temperature value of detection electrokinetic cell single battery core, so that with time interval
For trigger condition, triggering performs the operation for the temperature value for obtaining electrokinetic cell single battery core.
As an example it is assumed that first threshold is the 20% of electrokinetic cell capability value, the surplus of electrokinetic cell can be pre-set
Remaining charge value SOC is 20%<SOC<When 30%, the time interval of the current temperature value of detection electrokinetic cell single battery core is small for 5
When；The residual electric quantity SOC of electrokinetic cell is SOC>When=30%, the current temperature value of detection electrokinetic cell single battery core when
Between at intervals of 3 hours., can be with if getting 25% that the current residual electric quantity of electrokinetic cell is electrokinetic cell capability value
The current temperature value of electrokinetic cell single battery core in the time interval of 5 hours, detection electric automobile, and then according to electrokinetic cell list
The current temperature value of body battery core, temperature control is carried out to electrokinetic cell.
It should be noted that in embodiments of the present invention, can be combined with heat insulation effect, the electric automobile of power battery box
The factors such as residing environment temperature, it is determined that the time interval of the current temperature value of detection electrokinetic cell single battery core so that with when
Between at intervals of trigger condition, triggering performs the operation for the temperature value for obtaining electrokinetic cell single battery core, and then according to electrokinetic cell
The current temperature value of single battery core, temperature control is carried out to electrokinetic cell.
It is worth noting that, in embodiments of the present invention, when electric automobile is in static condition, if perform and obtain power
The operation of the current temperature value of battery cell battery core, can also be by user's control.I.e., in embodiments of the present invention, it can also wrap
Include：
According to the operation of user, stop performing the operation for obtaining the current temperature value of electrokinetic cell single battery core.
Wherein, the operation of user, can be that user by click, slip or long-press there is control to obtain electrokinetic cell monomer
The button triggering of the current temperature value function of battery core, it is not restricted herein.
The electric automobile power battery temprature control method that the embodiment of the present application is provided, first it is determined that electric automobile is in
During static condition, the current temperature value of electrokinetic cell in electric automobile is obtained, then it is determined that electrokinetic cell single battery core is current
Lowest temperature angle value be less than heating-up temperature threshold value when, determine the current residual electric quantity of electrokinetic cell whether be more than first threshold,
If so, it is that electrokinetic cell is heated then to start heating system, otherwise, stops execution acquisition electrokinetic cell single battery core and work as
The operation of preceding temperature value.Hereby it is achieved that when electric automobile is in static condition, it is current according to electrokinetic cell single battery core
Temperature value and residual electric quantity, the single battery core temperature to electrokinetic cell in electric automobile is controlled, and solves electronic vapour
Car is under static condition in long-time, when the single battery core minimum temperature of electrokinetic cell is less than heating-up temperature threshold value, it is impossible to and
When enter trickle charge charging stage, the problem of also can not starting charging soon, it is to avoid the environment temperature relatively low shadow to electrokinetic cell
Ring, extend the service life of electrokinetic cell, improve Consumer's Experience.
In order to realize above-described embodiment, the application also proposes a kind of electric automobile power battery temperature control equipment.
Fig. 3 is the structural representation of the electric automobile power battery temperature control equipment of the application one embodiment.
As shown in figure 3, the electric automobile power battery temperature control equipment 30, including：Acquisition module 31, first handles mould
Block 32.
Wherein, acquisition module 31, for when it is determined that electric automobile is in static condition, obtaining in the electric automobile and moving
The current temperature value of power battery cell battery core；
First processing module 32, for it is determined that the current lowest temperature angle value of the electrokinetic cell single battery core is less than heating
During temperature threshold, it is that the electrokinetic cell is heated to start heating system.
Specifically, electric automobile power battery temperature control equipment provided in an embodiment of the present invention, can perform the present invention
The electric automobile power battery temprature control method that embodiment is provided, the electric automobile power battery temperature control equipment can be by
Configuration is controlled in any terminal for the temperature to electrokinetic cell in electric automobile.Wherein, the type of terminal has very
It is many, such as can be mobile phone, computer, electric automobile etc..
In a kind of possible way of realization of the present invention, acquisition module 31, specifically for：
Obtain the current residual electric quantity of the electrokinetic cell；
According to the current residual electric quantity, it is determined that detect the current temperature value of the electrokinetic cell single battery core when
Between be spaced；
Using the time interval as trigger condition, triggering performs the behaviour for the temperature value for obtaining the electrokinetic cell single battery core
Make.
It should be noted that the foregoing explanation to electric automobile power battery temprature control method embodiment is also suitable
In the electric automobile power battery temperature control equipment of the embodiment, here is omitted.
The electric automobile power battery temperature control equipment that the embodiment of the present application is provided, first it is determined that electric automobile is in
During static condition, the current temperature value of electrokinetic cell single battery core in electric automobile is obtained, then it is determined that electrokinetic cell monomer
When the current lowest temperature angle value of battery core is less than heating-up temperature threshold value, it is that electrokinetic cell is heated to start heating system.By
This, realizes when electric automobile is in static condition, the temperature to electrokinetic cell in electric automobile is controlled, and solves electricity
Electrical automobile is under static condition in long-time, when the minimum temperature of electrokinetic cell single battery core is less than heating-up temperature threshold value, nothing
Method timely enters the trickle charge charging stage, the problem of also can not starting charging soon, it is to avoid environment temperature is relatively low to electrokinetic cell
Influence, extend the service life of electrokinetic cell, improve Consumer's Experience.
Fig. 4 is the structural representation of the electric automobile power battery temperature control equipment of the application another embodiment.
As shown in figure 4, on the basis of shown in Fig. 3, electric automobile power battery temperature control equipment 30 can also be wrapped
Include：
Determining module 41, for determining that the current residual electric quantity of the electrokinetic cell is more than first threshold.
Second processing module 42, if the residual electric quantity current for the electrokinetic cell is less than or equal to first threshold
Value, then stop performing the operation for obtaining the current temperature value of the electrokinetic cell single battery core.
3rd processing module 43, for the operation according to user, stops the execution acquisition electrokinetic cell single battery core and works as
The operation of preceding temperature value.
It should be noted that the foregoing explanation to electric automobile power battery temprature control method embodiment is also suitable
In the electric automobile power battery temperature control equipment of the embodiment, here is omitted.
The electric automobile power battery temperature control equipment that the embodiment of the present application is provided, first it is determined that electric automobile is in
During static condition, the current temperature value of electrokinetic cell single battery core in electric automobile is obtained, then it is determined that electrokinetic cell monomer
When the current lowest temperature angle value of battery core is less than heating-up temperature threshold value, determine whether the current residual electric quantity of electrokinetic cell is more than the
One threshold value, if so, it is that electrokinetic cell is heated then to start heating system, otherwise, stops performing acquisition electrokinetic cell list
The operation of the current temperature value of body battery core.Hereby it is achieved that when electric automobile is in static condition, to power in electric automobile
The temperature of battery is controlled, and is solved electric automobile and is in long-time under static condition, electrokinetic cell single battery core is most
When low temperature is less than heating-up temperature threshold value, it is impossible to timely enter the trickle charge charging stage, the problem of also can not starting charging soon is kept away
The relatively low influence to electrokinetic cell of environment temperature is exempted from, has extended the service life of electrokinetic cell, improve Consumer's Experience.
In order to realize above-described embodiment, the embodiment of the present invention also proposes a kind of electric automobile.
Fig. 5 is the structural representation of the electric automobile of the application one embodiment.
As shown in figure 5, the electric automobile 50, including the electric automobile power battery temperature control as described in above-mentioned embodiment
Device 30.
The electric automobile that the embodiment of the present application is provided, first when it is determined that electric automobile is in static condition, is obtained electronic
The current temperature value of electrokinetic cell single battery core in automobile, then it is determined that the current lowest temperature angle value of electrokinetic cell single battery core
During less than heating-up temperature threshold value, it is that electrokinetic cell is heated to start heating system.Hereby it is achieved that at electric automobile
When static condition, the temperature to electrokinetic cell in electric automobile is controlled, and solves electric automobile in long-time in quiet
Under configuration state, when the minimum temperature of electrokinetic cell single battery core is less than heating-up temperature threshold value, it is impossible to timely enter trickle charge charging rank
Section, the problem of also can not starting charging soon, it is to avoid the environment temperature relatively low influence to electrokinetic cell, extend electrokinetic cell
Service life, improve Consumer's Experience.
For up to above-mentioned purpose, fourth aspect present invention embodiment proposes a kind of computer-readable recording medium, when described
When instruction in storage medium is performed by processor, the electric automobile power battery temperature control as described in above-mentioned embodiment is realized
Method processed.
For up to above-mentioned purpose, fifth aspect present invention embodiment proposes a kind of computer program product, calculated when described
When instruction processing unit in machine program product is performed, the electric automobile power battery temperature control as described in above-mentioned embodiment is performed
Method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the application or example.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process
Point, and the scope of the preferred embodiment of the application includes other realization, wherein can not be by shown or discussion suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each several part of the application can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
Rapid to can be by program to instruct the hardware of correlation to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although having been shown and retouching above
Embodiments herein is stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as the limit to the application
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of application
Type.
Claims (10)
1. a kind of electric automobile power battery temprature control method, it is characterised in that including：
When it is determined that electric automobile is in static condition, the current temperature of electrokinetic cell single battery core in the electric automobile is obtained
Value；
When it is determined that the current lowest temperature angle value of the electrokinetic cell single battery core is less than heating-up temperature threshold value, start heating system
Heated for the electrokinetic cell.
2. the method as described in claim 1, it is characterised in that the startup heating system is that the electrokinetic cell is heated
Before processing, in addition to：
Determine that the current residual electric quantity of the electrokinetic cell is more than first threshold.
3. method as claimed in claim 2, it is characterised in that also include：
If the current residual electric quantity of the electrokinetic cell is less than or equal to the first threshold, stops execution and obtain described dynamic
The operation of the current temperature value of power battery cell battery core.
4. the method as described in claim 1, it is characterised in that electrokinetic cell single battery core in the acquisition electric automobile
Current temperature value, including：
Obtain the current residual electric quantity of the electrokinetic cell；
According to the current residual electric quantity, it is determined that between the time for detecting the current temperature value of the electrokinetic cell single battery core
Every；
Using the time interval as trigger condition, triggering performs the operation for the temperature value for obtaining the electrokinetic cell single battery core.
5. the method as described in claim 1-4 is any, it is characterised in that also include：
According to the operation of user, stop performing the operation for obtaining the current temperature value of the electrokinetic cell single battery core.
6. a kind of electric automobile power battery temperature control equipment, it is characterised in that including：
Acquisition module, for when it is determined that electric automobile is in static condition, obtaining electrokinetic cell monomer in the electric automobile
The current temperature value of battery core；
First processing module, for it is determined that the current lowest temperature angle value of the electrokinetic cell single battery core is less than heating-up temperature threshold
During value, it is that the electrokinetic cell is heated to start heating system.
7. device as claimed in claim 6, it is characterised in that also include：
Determining module, for determining that the current residual electric quantity of the electrokinetic cell is more than first threshold.
8. device as claimed in claim 7, it is characterised in that also include：
Second processing module, for the current residual electric quantity of the electrokinetic cell be less than or equal to the first threshold when,
Stop performing the operation for obtaining the current temperature value of the electrokinetic cell single battery core.
9. device as claimed in claim 6, it is characterised in that the acquisition module, specifically for：
Obtain the current residual electric quantity of the electrokinetic cell；
According to the current residual electric quantity, it is determined that between the time for detecting the current temperature value of the electrokinetic cell single battery core
Every；
Using the time interval as trigger condition, triggering performs the operation for the temperature value for obtaining the electrokinetic cell single battery core.
10. the device as described in claim 6-9 is any, it is characterised in that also include：
3rd processing module, for the operation according to user, stops performing the current temperature of the acquisition electrokinetic cell single battery core
The operation of angle value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501488.XA CN107331923A (en) | 2017-06-27 | 2017-06-27 | Temperature control method and device for power battery of electric vehicle |
| PCT/CN2018/093191 WO2019001483A1 (en) | 2017-06-27 | 2018-06-27 | Method and device for controlling temperature of power battery of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501488.XA CN107331923A (en) | 2017-06-27 | 2017-06-27 | Temperature control method and device for power battery of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107331923A true CN107331923A (en) | 2017-11-07 |
Family
ID=60197238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710501488.XA Withdrawn CN107331923A (en) | 2017-06-27 | 2017-06-27 | Temperature control method and device for power battery of electric vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107331923A (en) |
| WO (1) | WO2019001483A1 (en) |
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| WO2019001483A1 (en) * | 2017-06-27 | 2019-01-03 | 北京新能源汽车股份有限公司 | Method and device for controlling temperature of power battery of electric automobile |
| CN109244568A (en) * | 2018-08-02 | 2019-01-18 | 宝沃汽车（中国）有限公司 | For the control method of power battery, device and vehicle |
| CN109484241A (en) * | 2018-11-19 | 2019-03-19 | 北京新能源汽车股份有限公司 | Electric automobile preheating control method and device and electric automobile |
| CN111354994A (en) * | 2020-02-21 | 2020-06-30 | 浙江吉利新能源商用车集团有限公司 | Preheating control method and device before alternating current slow charging, vehicle and storage medium |
| CN111619405A (en) * | 2019-02-28 | 2020-09-04 | 北京新能源汽车股份有限公司 | Control method and device for automatic heating of battery pack and vehicle |
| CN112655107A (en) * | 2018-09-21 | 2021-04-13 | 华为技术有限公司 | Low-temperature protection method for electronic equipment and electronic equipment |
| US10985589B2 (en) * | 2017-06-20 | 2021-04-20 | Audi Ag | Method and battery management system for operating a traction battery in a motor vehicle and motor vehicle having such a battery management system |
| CN113002330A (en) * | 2021-03-11 | 2021-06-22 | 奇瑞新能源汽车股份有限公司 | Electric vehicle, slow charging reliability experiment method and device thereof, and vehicle control unit |
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| CN111354994A (en) * | 2020-02-21 | 2020-06-30 | 浙江吉利新能源商用车集团有限公司 | Preheating control method and device before alternating current slow charging, vehicle and storage medium |
| CN113002330A (en) * | 2021-03-11 | 2021-06-22 | 奇瑞新能源汽车股份有限公司 | Electric vehicle, slow charging reliability experiment method and device thereof, and vehicle control unit |
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| CN113036248A (en) * | 2021-05-19 | 2021-06-25 | 江苏申港锅炉有限公司 | All-solid-state lithium battery temperature control method and system for inhibiting growth of lithium dendrites |
| CN114243133A (en) * | 2021-05-19 | 2022-03-25 | 江苏申港锅炉有限公司 | Temperature control method and temperature control system for all-solid-state lithium battery |
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| WO2019001483A1 (en) | 2019-01-03 |
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Application publication date: 20171107 |