CN109742485A - The control method and device of vehicle and its battery modules heating system - Google Patents
The control method and device of vehicle and its battery modules heating system Download PDFInfo
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- CN109742485A CN109742485A CN201811642026.0A CN201811642026A CN109742485A CN 109742485 A CN109742485 A CN 109742485A CN 201811642026 A CN201811642026 A CN 201811642026A CN 109742485 A CN109742485 A CN 109742485A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The application proposes the control method and device of a kind of vehicle and its battery modules heating system, the battery modules heating system includes heating branch and battery modules, wherein, one heating branch corresponds to a battery core in the battery modules, and the heating branch is used to be heated for the corresponding battery core；It the described method comprises the following steps: obtaining the first Current Temperatures of each battery core, and identify the maximum temperature in all first Current Temperatures；For each battery core, obtain the temperature gap between the first Current Temperatures of the battery core and the maximum temperature, if the temperature gap is greater than the first fiducial temperature, then controlling the heating branch corresponding with the battery core is that the battery core is heated, and realizes and carries out temperature control to each single battery core in a battery modules.
Description
Technical field
The present invention relates to technical field of vehicle more particularly to the control methods of a kind of vehicle and its battery modules heating system
And device.
Background technique
In the related technology, for the battery modules heat management of electric car, the mode generallyd use at present is using heating
Film is heated, specifically heating film to be fixed on to the side wall of battery modules in the form of sticking double faced adhesive tape, when starting is heated
When function, concatenated heating film simultaneously heats the battery modules at each position simultaneously.But the relevant technologies there are the problem of
It is that in battery system, the temperature of battery modules and single battery core in battery modules and each battery modules is different from, when
It when the temperature difference is larger between each mould group or single battery core, can not voluntarily adjust, or even battery management system charge and discharge strategy is caused to hold
Row is inaccurate, the crucial ginseng such as SOC (State of Charge, remaining capacity), SOH (state of health, battery health degree)
Number estimation inaccuracy, be easy to cause serious damage to battery system.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
First purpose is to propose a kind of control method of battery modules heating system, to realize to each in a battery modules
Single battery core carries out temperature control.
Second object of the present invention is to propose a kind of control device of battery modules heating system.
Third object of the present invention is to propose a kind of vehicle.
Fourth object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
In order to achieve the above object, first aspect present invention embodiment proposes a kind of controlling party of battery modules heating system
Method, the battery modules heating system include heating branch and battery modules, wherein a heating branch corresponds to the electricity
A battery core in Chi Mo group, the heating branch are used to be heated for the corresponding battery core；The method includes following
Step: obtaining the first Current Temperatures of each battery core, and identifies the maximum temperature in all first Current Temperatures；For each electricity
Core obtains the temperature gap between the first Current Temperatures of the battery core and the maximum temperature, if the temperature gap is big
In the first fiducial temperature, then controlling the heating branch corresponding with the battery core is that the battery core is heated.
It according to one embodiment of present invention, is the electricity in the control heating branch corresponding with the battery core
After core is heated, further includes: obtain the second Current Temperatures of the heating branch in real time, and to second Current Temperatures
It is identified；Reach the first preset threshold in second Current Temperatures, control the heating branch stopping to the battery core after
Continuous heating.
According to one embodiment of present invention, the battery core is continued to heat it in the control heating branch stopping
Afterwards, further includes: the temperature gap is identified, when the temperature gap is greater than the second fiducial temperature, continues to obtain institute
State the second Current Temperatures of heating branch；When recognizing second Current Temperatures less than or equal to the second preset threshold, then
Reacquire the temperature gap；If the temperature gap reacquired is still greater than second fiducial temperature, control
System reopens the heating branch and heats to the battery core.
According to one embodiment of present invention, whenever reopening the heating branch and being heated to the battery core,
Then the heating times current to the battery core are updated, and when the heating times reach preset times, determine the battery core
It breaks down, and controls the battery modules heating system and close.
It according to one embodiment of present invention, is the electricity in the control heating branch corresponding with the battery core
Core carries out in heating process, and the accumulative operation duration of branch is heated described in real-time statistics；Reach pre- in the accumulative operation duration
If when duration, judging whether the temperature gap currently got is greater than the second fiducial temperature；If the institute currently got
Temperature gap is stated greater than second fiducial temperature, then confirms the heating shunt failure.
According to one embodiment of present invention, the battery core is carried out in heating process in the heating branch, identifies institute
Whether the peak for stating the first Current Temperatures is greater than third predetermined threshold value；It is greater than the third predetermined threshold value in the peak
When, it controls the battery modules and stops working.
According to one embodiment of present invention, the control heating system enters branch heating mode, further includes: knows
The grade of the not described battery modules, and obtain according to the grade of the battery modules heating parameters of the heating system；Control
The heating system is heated according to the heating parameters.
The control method of battery modules heating system according to an embodiment of the present invention obtains the first current temperature of each battery core
Degree, and identify the maximum temperature in all first Current Temperatures, it is then directed to each telecommunications, obtains the first Current Temperatures of telecommunications
Temperature gap between maximum temperature, and when temperature gap is greater than the first preset difference value, control add corresponding with the battery core
Hot branch is that battery core is heated.The control method of the embodiment of the present invention can be for each of under a battery modules as a result,
Battery core carries out computer heating control, and while guaranteeing to battery modules heating effect, the temperature gap between battery core is effectively reduced, and ensures
The normal charge and discharge of battery reduce cell damage.
In order to achieve the above object, second aspect of the present invention embodiment proposes a kind of control dress of battery modules heating system
It sets, comprising: battery modules heating system, the battery modules heating system heats branch and battery modules, wherein described in one
Heating branch corresponds to a battery core in the battery modules, and the heating branch is used to be added for the corresponding battery core
Heat；Identification module for obtaining the first Current Temperatures of each battery core, and identifies the maximum temperature in all first Current Temperatures；
Control module obtains the temperature between the first Current Temperatures of the battery core and the maximum temperature for being directed to each battery core
Difference, if the temperature gap is greater than the first fiducial temperature, controlling the heating branch corresponding with the battery core is institute
Battery core is stated to be heated.
In order to achieve the above object, third aspect present invention embodiment proposes a kind of vehicle, add including the battery modules
The control device of hot systems.
To achieve the goals above, fourth aspect present invention embodiment proposes a kind of computer-readable storage of non-transitory
Medium is stored thereon with computer program, and the control of the battery modules heating system is realized when which is executed by processor
Method processed.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow chart of the control method of the battery modules heating system of the embodiment of the present invention；
Fig. 2 is the circuit diagram of the battery modules heating system of the embodiment of the present invention；
Fig. 3 is the flow chart of the control method of the battery modules heating system of one embodiment of the invention；
Fig. 4 is the flow chart of the control method of the battery modules heating system of another embodiment of the present invention；
Fig. 5 is the flow chart of the control method of the battery modules heating system of another embodiment of the invention；
Fig. 6 is the flow chart of the control method of the battery modules heating system of further embodiment of the present invention；
Fig. 7 is the flow chart of the control method of the battery modules heating system of further embodiment of the present invention；
Fig. 8 is the flow chart of the control method of the battery modules heating system of a specific embodiment of the invention；
Fig. 9 is the block diagram of the control device of the battery modules heating system of the embodiment of the present invention；
Figure 10 is the block diagram of the vehicle of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the vehicle of the embodiment of the present invention and its control method and dress of battery modules heating system are described
It sets.
Fig. 1 is the flow chart of the control method of the battery modules heating system of the embodiment of the present invention.
Wherein, as shown in Fig. 2, the battery modules heating system of the embodiment of the present invention includes heating branch and battery modules,
One heating branch corresponds to a battery core in heating module, and heating branch is used to be heated for corresponding battery core.Wherein, add
Hot branch includes relay and heating device, controls whether heating device is added by being opened or closed for control relay
Heat, wherein heating device can be heating film or thermistor etc..
As shown in Figure 1, the control method of the battery modules heating system of the embodiment of the present invention, comprising the following steps:
S101: obtaining the first Current Temperatures of each battery core, and identifies the maximum temperature in all first Current Temperatures.
S102: being directed to each battery core, obtain the temperature gap between the first Current Temperatures of battery core and maximum temperature, if
Temperature gap is poor greater than the first preset temperature, then controlling heating branch corresponding with battery core is that battery core is heated.
Wherein, the first preset temperature difference can be 4 DEG C.
That is, obtaining the first Current Temperatures of each battery core in a battery modules in real time, then identification is all
Then maximum temperature in first Current Temperatures judges for example, the first Current Temperatures in two neighboring battery core can be obtained first
Peak in two the first Current Temperatures, then it is current warm by the first of the peak of first Current Temperatures and next battery core
Degree is compared, until whole battery cores are traversed, to obtain the maximum temperature that all first Current Temperatures summarize.
For each telecommunications, the temperature gap between the first Current Temperatures of the battery core and maximum temperature is obtained, wherein by
It is more than or equal to the first Current Temperatures in maximum temperature, therefore, the Current Temperatures that can subtract the first with maximum temperature are to obtain the temperature
Spend difference.Then, temperature gap is judged, if temperature gap is poor greater than the first preset temperature, shows the battery core
The bulk temperature gap of temperature and battery modules is larger, influences the operation of the normal charge and discharge of battery modules, therefore, control and battery core
Corresponding heating branch is that battery core is heated, and to promote the temperature of the battery core, guarantees the battery modules parameters such as SOC and SOH
Accuracy enables battery system to run in preferable temperature range.
According to one embodiment of present invention, as shown in figure 3, controlling heating branch corresponding with battery core as battery core progress
After heating, further includes:
S201: the second Current Temperatures of heating branch are obtained in real time, and the second Current Temperatures are identified.
S202: reach the first preset threshold in the second Current Temperatures, control heating branch stopping continues to heat to battery core.
That is, heating branch to battery core carry out heating process in, it is also necessary to heating branch heated condition into
Row detection specifically obtains the second Current Temperatures of heating branch, it should be appreciated that second Current Temperatures can be in real time
Then the Current Temperatures of heating film or thermistor identify the second Current Temperatures, if the second Current Temperatures reach first
Preset threshold, then the heating device temperature of the current heating branch of explanation is higher, needs to control heating branch and stops heating to reduce
Temperature.Wherein, the first preset threshold can be 52 DEG C.
It should be understood that at this point, can also be identified to temperature gap, if temperature gap is default less than or equal to second
Temperature difference then can carry out charge and discharge control to battery modules.Wherein, the second fiducial temperature can be 2 DEG C.
Further, as shown in figure 4, after control heating branch stopping continues heating to battery core, further includes:
S301: identifying temperature gap, when temperature gap is greater than the second fiducial temperature, continues to obtain heating branch
The second Current Temperatures.
S302: when recognizing the second Current Temperatures less than or equal to the second preset threshold, then temperature gap is reacquired.
S303: if the temperature gap reacquired is still greater than the second fiducial temperature, control reopens heating branch
Battery core is heated on road.
That is, the temperature of battery core may be still not up to after control heating branch stopping continues heating to battery core
The degree of normal charge and discharge is carried out, therefore, it is also desirable to carry out continuing to heat to battery core.
Specifically, to temperature gap be by, and temperature gap be greater than the second fiducial temperature when (battery core temperature is still
Not up to demand when), continue obtain heating branch the second Current Temperatures, and identify the second Current Temperatures whether be less than or equal to
Second preset threshold, when recognizing the second Current Temperatures less than or equal to the second preset threshold, then it represents that the temperature of heating device
Degree has been lowered to the temperature that can be heated again, then temperature gap is reacquired, if the temperature gap reacquired
Less than or equal to the second preset threshold, then illustrate battery core to be heated to that the temperature of charge and discharge control can be carried out by the residual temperature of heating device
Degree illustrates battery core there is still a need for continuing to heat if the temperature gap reacquired is still greater than the second fiducial temperature, then controls again
New heating branch of opening heats battery core.
Further, whenever reopening heating branch and being heated to battery core, then heating times current to battery core
It is updated, when heating times reach preset times, determines that battery core breaks down, and control battery modules heating system pass
It closes.
That is, if heating branch is in the first Current Temperatures and the highest temperature that still can not make battery core by heating repeatedly
When the difference of degree reaches the second fiducial temperature, it is determined that battery core breaks down, and controls the closing of battery modules heating system, saves
The energy.
According to one embodiment of present invention, as shown in figure 5, the control method of battery heating system, further includes:
S401: being that battery core carries out in heating process controlling heating branch corresponding with battery core, real-time statistics heat branch
Accumulative operation duration.
S402: when accumulative operation duration reaches preset duration, judge whether the temperature gap that currently gets is greater than the
Two fiducial temperatures.
S403: if the temperature gap currently got is greater than the second fiducial temperature, confirm heating shunt failure.
That is, during heating branch progress, it is also necessary to which to heating branch, whether failure is identified.
It specifically, is that battery core carries out in heating process controlling heating branch corresponding with battery core, real-time statistics heating branch
The accumulative operation duration on road, judges whether accumulative operation duration reaches preset duration, and when accumulative operation duration reaches default
When long, judge whether the temperature gap currently got is greater than the second fiducial temperature, if the temperature gap currently got is big
In the second fiducial temperature, then show heat branch to battery core heated the sufficiently long time yet by the temperature of battery core be not increased to need
Degree is sought, then further determines that heating shunt failure.
According to one embodiment of present invention, as shown in fig. 6, the control method of battery heating system, further includes:
S501: carrying out in heating process battery core in heating branch, and whether the peak of the first Current Temperatures of identification is greater than
Third predetermined threshold value.
S502: when peak is greater than third predetermined threshold value, control battery modules stop working.
It should be understood that working as battery modules when the temperature is excessively high, the normal of battery modules charge and discharge will affect, run,
Therefore, it is necessary to when battery core temperature is greater than third threshold value, control battery modules stop working.Wherein third threshold value can be 45 DEG C.
Specifically, battery core is carried out in heating process in heating branch, the peak of the first Current Temperatures of real-time judge is
No to be greater than third predetermined threshold value, if peak is greater than third predetermined threshold value, control battery modules stop working, if peak
Less than or equal to third predetermined threshold value, then controls heating branch and continue to heat battery core.
According to one embodiment of present invention, as shown in fig. 7, control heating system enters branch heating mode, further includes:
S601: identifying the grade of battery modules, and the heating parameters of heating system are obtained according to the grade of battery modules.
S602: control heating system is heated according to heating parameters.
It should be understood that since different battery modules are arranged in the different location of vehicle, or, for different parts
It is powered, therefore, capacity, power supply position of each battery modules etc. all have gap, so that the heating of different battery modules
Parameter is not also identical.Wherein, battery modules can be divided into multiple grades according to capacity, power supply position etc.
Specifically, the grade of battery modules is identified, corresponding heating is then obtained according to the grade of battery modules
The heating parameters of system, and control heating system and heated according to heating parameters.
According to one embodiment of present invention, as shown in figure 8, the control of the battery modules heating system of the embodiment of the present invention
Method, comprising the following steps:
S701: the first Current Temperatures of each battery core are obtained.
S702: the maximum temperature in the first Current Temperatures of identification, and obtain the first Current Temperatures and highest of each battery core
Temperature gap between temperature.
S703: judge whether temperature gap is greater than the first fiducial temperature.
If so, thening follow the steps S704；If it is not, then control battery modules charge and discharge.
S704: the grade of identification present battery mould group, and obtain the corresponding heating parameters of battery modules grade.
S705: judge whether temperature gap is greater than the second fiducial temperature.
If so, thening follow the steps S706；If it is not, then control battery modules charge and discharge.
S706: control heating branch heats battery core according to heating parameters.
S707: judge whether the second Current Temperatures for heating branch reach the first preset threshold.
If so, thening follow the steps S708: if it is not, then return step S708.
S708: judge whether temperature gap is greater than the second fiducial temperature.
If so, thening follow the steps S709；If it is not, then control battery modules charge and discharge.
S709: control heating branch stops heating.
S710: whether the second Current Temperatures of identification are less than or equal to the second preset threshold.
If so, thening follow the steps S711；If it is not, then return step S709.
S711: judge whether temperature gap is greater than the second fiducial temperature again.
If so, thening follow the steps S712；If it is not, then control battery modules charge and discharge.
S712: the heating times current to battery core are updated.
S713: judge whether heating times reach preset times.
If it is, determining that battery core breaks down；If it is not, then return step S706.
In conclusion the control method of battery modules heating system according to an embodiment of the present invention, obtains each battery core
Then first Current Temperatures, and identify the maximum temperature in all first Current Temperatures are directed to each telecommunications, obtain the of telecommunications
Temperature gap between one Current Temperatures and maximum temperature, and when temperature gap is greater than the first preset difference value, control and the electricity
The corresponding heating branch of core is that battery core is heated.The control method of the embodiment of the present invention can be directed to a battery mould as a result,
Each battery core under group carries out computer heating control, and while guaranteeing to battery modules heating effect, the temperature between battery core is effectively reduced
Difference is spent, ensures the normal charge and discharge of battery, reduces cell damage.
In order to realize above-described embodiment, the present invention also proposes a kind of control device of battery modules heating system.
Fig. 9 is the block diagram of the control device of the battery modules heating system of the embodiment of the present invention.As shown in figure 9,
The control device 100 of the battery modules heating system includes: battery modules heating system 10, identification module 20 and control module
30。
Wherein, 10 battery modules heating system heats branch of battery modules heating system and battery modules, wherein one adds
Hot branch corresponds to a battery core in battery modules, and heating branch is used to be heated for corresponding battery core；Identification module 20 is used
In the first Current Temperatures of each battery core of acquisition, and identify the maximum temperature in all first Current Temperatures；Control module 30 is used for
For each battery core, the temperature gap between the first Current Temperatures of battery core and maximum temperature is obtained, if temperature gap is greater than
First fiducial temperature, then controlling heating branch corresponding with battery core is that battery core is heated.
Further, in a kind of possible implementation of the embodiment of the present invention, control module 30 is also used to: being obtained in real time
The second Current Temperatures of heating branch are taken, and the second Current Temperatures are identified；It is default to reach first in the second Current Temperatures
Threshold value, control heating branch stopping continue to heat to battery core.
Further, control module 30 is also used to: being identified to temperature gap, is greater than the second default temperature in temperature gap
When poor, continue the second Current Temperatures for obtaining heating branch；The second Current Temperatures are being recognized less than or equal to the second default threshold
When value, then temperature gap is reacquired；If the temperature gap reacquired is still greater than the second fiducial temperature, control again
Heating branch is opened to heat battery core.
Further, control module 30 is also used to: whenever reopen heating branch battery core is heated when, then to electricity
The current heating times of core are updated, and when heating times reach preset times, determine that battery core breaks down, and control battery
Mould group heating system is closed.
Further, control module 30 is also used to: being that battery core progress is heated controlling heating branch corresponding with battery core
Cheng Zhong, real-time statistics heat the accumulative operation duration of branch；When accumulative operation duration reaches preset duration, current obtain is judged
To temperature gap whether be greater than the second fiducial temperature；If the temperature gap currently got is greater than the second fiducial temperature,
Confirmation heating shunt failure.
Further, control module 30 is also used to: being carried out in heating process in heating branch to battery core, identification first is current
Whether the peak of temperature is greater than third predetermined threshold value；When peak is greater than third predetermined threshold value, control battery modules stop
Work.
Further, control module 30 is also used to: being identified the grade of battery modules, and is obtained according to the grade of battery modules
The heating parameters of heating system；Control heating system is heated according to heating parameters.
It should be noted that the explanation of the aforementioned control method embodiment to battery modules heating system is also applied for
The control device of the battery modules heating system of the embodiment, details are not described herein again.
In order to realize above-described embodiment, the present invention also proposes a kind of vehicle, and as shown in Figure 10, vehicle 200 includes battery mould
The control device 100 of group heating system.
In order to realize above-described embodiment, the present invention also proposes a kind of non-transitorycomputer readable storage medium, deposits thereon
Computer program is contained, which realizes the control method of battery modules heating system above-mentioned when being executed by processor.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.Such as, if realized with hardware in another embodiment, following skill well known in the art can be used
Any one of art or their combination are realized: have for data-signal is realized the logic gates of logic function from
Logic circuit is dissipated, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
Claims (10)
1. a kind of control method of battery modules heating system, which is characterized in that the battery modules heating system includes heating
Branch and battery modules, wherein a heating branch corresponds to a battery core in the battery modules, the heating branch
For being heated for the corresponding battery core；
It the described method comprises the following steps:
The first Current Temperatures of each battery core are obtained, and identify the maximum temperature in all first Current Temperatures；
For each battery core, the temperature gap between the first Current Temperatures of the battery core and the maximum temperature is obtained, if
The temperature gap is greater than the first fiducial temperature, then controls the heating branch corresponding with the battery core as battery core progress
Heating.
2. the control method of battery modules heating system according to claim 1, which is characterized in that in the control and institute
Stating the corresponding heating branch of battery core is after the battery core is heated, further includes:
The second Current Temperatures of the heating branch are obtained in real time, and second Current Temperatures are identified；
Reach the first preset threshold in second Current Temperatures, controls the heating branch and stop that the battery core is continued to add
Heat.
3. the control method of battery modules heating system according to claim 2, which is characterized in that described in the control
The stopping of heating branch continues the battery core after heating, further includes:
The temperature gap is identified, when the temperature gap is greater than the second fiducial temperature, continues to obtain the heating
Second Current Temperatures of branch；
When recognizing second Current Temperatures less than or equal to the second preset threshold, then the temperature gap is reacquired；
If the temperature gap reacquired is still greater than second fiducial temperature, control reopens the heating
Branch heats the battery core.
4. the control method of battery heating system according to claim 3, which is characterized in that further include:
Whenever reopening the heating branch and being heated to the battery core, then the heating times current to the battery core into
Row updates, and when the heating times reach preset times, determines that the battery core breaks down, and control the battery modules and add
Hot systems are closed.
5. the control method of battery modules heating system according to claim 1, which is characterized in that further include:
It is that the battery core carries out in heating process in the control heating branch corresponding with the battery core, real-time statistics institute
State the accumulative operation duration of heating branch；
When the accumulative operation duration reaches preset duration, judge whether the temperature gap currently got is greater than second
Fiducial temperature；
If the temperature gap currently got is greater than second fiducial temperature, the heating shunt failure is confirmed.
6. the control method of battery modules heating system according to claim 1-5, which is characterized in that also wrap
It includes:
The battery core is carried out in heating process in the heating branch, identifies whether the peak of first Current Temperatures is big
In third predetermined threshold value；
When the peak is greater than the third predetermined threshold value, controls the battery modules and stop working.
7. the control method of battery heating system according to claim 1, which is characterized in that the control heating system
System enters branch heating mode, further includes:
It identifies the grade of the battery modules, and is joined according to the heating that the grade of the battery modules obtains the heating system
Number；
The heating system is controlled to be heated according to the heating parameters.
8. a kind of control device of battery modules heating system characterized by comprising
Battery modules heating system, the battery modules heating system heats branch and battery modules, wherein a heating
Branch corresponds to a battery core in the battery modules, and the heating branch is used to be heated for the corresponding battery core；
Identification module for obtaining the first Current Temperatures of each battery core, and identifies the maximum temperature in all first Current Temperatures；
Control module obtains between the first Current Temperatures of the battery core and the maximum temperature for being directed to each battery core
Temperature gap controls the heating branch corresponding with the battery core if the temperature gap is greater than the first fiducial temperature
It is heated for the battery core.
9. a kind of vehicle, which is characterized in that the control device including the battery modules heating system as described in power 8.
10. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program
The control method of the battery modules heating system as described in any in claim 1-7 is realized when being executed by processor.
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