CN109768352A - A kind of battery method for heating and controlling, device, equipment and the system of electric car - Google Patents
A kind of battery method for heating and controlling, device, equipment and the system of electric car Download PDFInfo
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- CN109768352A CN109768352A CN201910044919.3A CN201910044919A CN109768352A CN 109768352 A CN109768352 A CN 109768352A CN 201910044919 A CN201910044919 A CN 201910044919A CN 109768352 A CN109768352 A CN 109768352A
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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
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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
- 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
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Abstract
The invention discloses battery method for heating and controlling, device, equipment and the systems of a kind of electric car, this method comprises: obtaining the remaining capacity of battery and the battery temperature of temperature sensor acquisition after battery carries out driving electric discharge；According to remaining capacity and battery temperature, judge whether to meet corresponding default low-temperature heat condition；If so, enabling signal is sent to battery heating equipment, to heat using battery heating equipment to battery；The present invention passes through according to remaining capacity and battery temperature, judge whether to meet corresponding default low-temperature heat condition, the condition that the remaining capacity of battery and battery temperature are determined as heating, vehicle driving not enough power supply is difficult to continue the case where driving caused by avoiding battery from heating, under the premise of guaranteeing automobile normal running, it heats battery and promotes power performance increase automobile continuation of the journey, the heating for realizing battery during vehicle traction, improves the power performance and course continuation mileage when electric car is run at low ambient temperatures.
Description
Technical field
The present invention relates to new energy resource power battery field, in particular to the battery method for heating and controlling of a kind of electric car,
Device, equipment and system.
Background technique
As energy-saving and emission-reduction, advocating for Green Travel idea are goed deep into, the promotion and popularization of electric car are increasingly extensive.
In booming new-energy automobile industry, battery (power battery) components one of most crucial as electric car,
Performance endures always concern to the fullest extent.Especially at low ambient temperatures, power battery will appear the case where charge and discharge ability sharp fall,
This makes electric car occur the problems such as long charging time, power performance reduction and course continuation mileage are reduced at low ambient temperatures,
Leverage use of the user to electric car.Meanwhile it is carried out in the state that battery is in lower temperature charging and
Electric discharge, easily damages battery, accelerates the failure of battery, greatly reduce so as to cause battery life, be unfavorable for battery
Use.
In order to promote the use of electric car at low ambient temperatures, most of battery system is increased when battery charges
The charging ability and charging effect of battery can be improved in heating function, the function when battery is charged at low ambient temperatures
Rate.But power performance caused by so far, vehicle influences in driving driving process because of battery cryogenic property reduces and continuation of the journey
Mileage reduces problem and still fails to be well solved, and electric car is short of power in driving driving process under low temperature environment,
The short phenomenon of course continuation mileage is still generally existing.
Therefore, how battery effectively to be heated during vehicle traction, improves electric car in low temperature ring
Power performance and course continuation mileage when running under border, promote user experience, are urgent problems now.
Summary of the invention
The object of the present invention is to provide battery method for heating and controlling, device, equipment and the systems of a kind of electric car, with vehicle
Battery is effectively heated during driving, power performance and continuation of the journey of the raising electric car when running at low ambient temperatures
Mileage.
In order to solve the above technical problems, the present invention provides a kind of battery method for heating and controlling of electric car, comprising:
After battery carries out driving electric discharge, the remaining capacity of the battery and the battery temperature of temperature sensor acquisition are obtained；
According to the residual electric quantity with the battery temperature, judge whether to meet corresponding default low-temperature heat condition；
If so, to battery heating equipment send enabling signal, with using the battery heating equipment to the battery into
Row heating.
Optionally, described according to the residual electric quantity with the battery temperature, judge whether to meet corresponding default low temperature
Heating condition, comprising:
Judge the battery temperature whether less than the first temperature threshold；
If so, judging whether the remaining capacity is greater than the first power threshold；
If more than first power threshold, then execute it is described send enabling signal to battery heating equipment, to utilize institute
State the step of battery heating equipment heats the battery.
Optionally, it is described judge the battery temperature whether less than the first temperature threshold after, further includes:
If being not less than first temperature threshold, judge whether the battery temperature is less than second temperature threshold value；Wherein,
The second temperature threshold value is greater than first temperature threshold；
If being less than the second temperature threshold value, judge whether the remaining capacity is greater than the second power threshold；
If more than second power threshold, then execute it is described send enabling signal to battery heating equipment, to utilize institute
State the step of battery heating equipment heats the battery.
Optionally, described to send enabling signal to battery heating equipment, to utilize the battery heating equipment to the electricity
It is heated in pond, comprising:
The enabling signal and corresponding heating target temperature are sent to the battery heating equipment, to utilize the battery
The battery is heated to the heating target temperature by heating equipment.
Optionally, described to send the enabling signal and corresponding heating target temperature, packet to the battery heating equipment
It includes:
According to the residual electric quantity with the consumption power of the heating device in the battery heating equipment, the heating is calculated
Target temperature；
The enabling signal and the heating target temperature are sent to the battery heating equipment.
Optionally, described to send enabling signal to battery heating equipment, to utilize the battery heating equipment to the electricity
After pond is heated, further includes:
Judge whether that meeting corresponding preset exits heating condition；
If so, shutdown signal is sent to the battery heating equipment, so that the battery heating equipment stops to described
The heating of battery.
It is optionally, described to judge whether that meeting corresponding preset exits heating condition, comprising:
Judge whether the battery breaks down；
If so, execution is described to send shutdown signal to the battery heating equipment, so that the battery heating equipment stops
Only to the heating of battery the step of；
If it is not, then judging whether the current battery temperature of the temperature sensor obtained acquisition reaches corresponding heating mesh
Mark temperature；
If reaching corresponding heating target temperature, execute it is described to the battery heating equipment send shutdown signal, with
The step of making the battery heating equipment stop the heating to the battery；
If not up to corresponding heating target temperature, judge whether the current residual electricity of the battery obtained is less than
Third power threshold；
If be less than the third power threshold, execute it is described to the battery heating equipment send shutdown signal so that
The battery heating equipment stops the step of heating to the battery；
If being not less than the third power threshold, judge whether the current battery temperature is greater than third temperature threshold；
Wherein, the third temperature threshold is the battery temperature that the battery temperature or the temperature sensor acquire preceding preset times；
If be not more than the third temperature threshold, execute it is described to the battery heating equipment send shutdown signal, with
The step of making the battery heating equipment stop the heating to the battery.
The present invention also provides a kind of battery heating control apparatus of electric car, comprising:
Module is obtained, after carrying out driving electric discharge for battery, the remaining capacity and temperature sensor for obtaining the battery are adopted
The battery temperature of collection；
Judgment module, for according to the residual electric quantity with the battery temperature, judge whether to meet it is corresponding preset it is low
Warm heating condition；
Heating starting module, if being opened for meeting corresponding default low-temperature heat condition to the transmission of battery heating equipment
Dynamic signal, to be heated using the battery heating equipment to the battery.
The present invention also provides a kind of battery heating control devices of electric car, comprising:
Memory, for storing computer program；
Processor realizes that the battery of electric car as described in any one of the above embodiments adds when for executing the computer program
The step of heat control method.
In addition, the present invention also provides a kind of battery heating control systems of electric car, comprising:
The battery heating control devices of battery, battery heating equipment and the electric car as described in the next item up.
A kind of battery method for heating and controlling of electric car provided by the present invention, comprising: after battery carries out driving electric discharge,
Obtain the remaining capacity of battery and the battery temperature of temperature sensor acquisition；According to remaining capacity and battery temperature, judge whether
Meet corresponding default low-temperature heat condition；If so, enabling signal is sent to battery heating equipment, to set using battery heating
It is standby that battery is heated；
As it can be seen that the present invention meets corresponding default low-temperature heat by judging whether according to remaining capacity and battery temperature
Condition, vehicle driving caused by avoiding battery from heating as the condition that heating determines the remaining capacity of battery and battery temperature
Not enough power supply is difficult to continue the case where driving, and under the premise of guaranteeing automobile normal running, promotes dynamic property by heating battery
It can increase automobile continuation of the journey, realize effective heating of the vehicle traction in the process to battery, improve electric car in low temperature environment
Power performance and course continuation mileage when lower operation, the user experience is improved.In addition, the present invention also provides a kind of electric cars
Battery heating control apparatus, equipment and system equally have above-mentioned beneficial effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the battery method for heating and controlling of electric car provided by the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the battery heating control system of electric car provided by the embodiment of the present invention；
Fig. 3 is the process signal of the battery method for heating and controlling of another kind electric car provided by the embodiment of the present invention
Figure；
Fig. 4 is a kind of structural block diagram of the battery heating control apparatus of electric car provided by the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of stream of the battery method for heating and controlling of electric car provided by the embodiment of the present invention
Cheng Tu.This method may include:
Step 101: after battery carries out driving electric discharge, obtaining the remaining capacity of battery and the battery temperature of temperature sensor acquisition
Degree.
It is understood that the purpose of this step can carry out driving electric discharge for the battery (power battery) in electric car
Afterwards, i.e., during the driving of electric car, the battery of the remaining capacity of battery and the battery of temperature sensor acquisition is obtained
Temperature.Specifically, for the place in this step in electric car in such as Fig. 2 in the battery heating control devices of battery management system
Device is managed after battery carries out driving electric discharge, obtains the specific side of the remaining capacity of battery and the battery temperature of temperature sensor acquisition
Formula, can be by designer according to practical scene and user demand self-setting, as indicated with 2, the processing in battery management system
The remaining capacity for the battery that the available 1# mould group (battery modules) of device to n# mould group forms, and utilize temperature sensor acquisition
Minimum in the temperature value of single battery in battery modules determines the battery temperature of the battery, as long as processor in this step
The remaining capacity of available battery and the battery temperature that battery is obtained using temperature sensor, the present embodiment does not do this any
Limitation.
It should be noted that the present embodiment purpose can be for after battery carries out driving electric discharge, processor is to monomer
The battery temperature and remaining capacity of battery are determined, determine whether to send enabling signal to battery heating equipment, with benefit
Battery is heated with battery heating equipment.I.e. this step can not heat battery using battery heating equipment
In the case of carry out.
It is corresponding, the remaining capacity of battery and the battery temperature of temperature sensor acquisition are obtained for processor in this step
The specific time setting, can by designer according to practical scene and user demand self-setting, such as can by it is default when
Between interval acquiring battery remaining capacity and temperature sensor acquisition battery temperature, such as after battery carries out driving electric discharge and
In the case where not heated using battery heating equipment to battery, processor can be corresponding each in prefixed time interval
Moment obtains the remaining capacity and battery temperature of the battery at current time；Can also first interval acquiring battery at preset timed intervals it is surplus
Remaining electricity or the battery temperature of temperature sensor acquisition obtain corresponding battery temperature further according to the judgement demand in step 102
Or remaining capacity.As long as the remaining capacity and battery of battery to be used are needed in this step in the available step 102 of processor
Temperature, the present embodiment do not do any restrictions to this.
Specifically, as shown in figure 3, can also include the steps that judging whether battery breaks down before this step；If it is not,
Then enter this step；If so, terminating this process.To avoid the heating to fail battery, electric car is further promoted
Safety.
Step 102: according to remaining capacity and battery temperature, judging whether to meet corresponding default low-temperature heat condition；If
It is then to enter step 103.
It is understood that the purpose of this step can be the remaining capacity and battery temperature for utilizing the battery at current time
Compared with default low-temperature heat condition, it is determined whether need to heat the battery using battery heating equipment.
It should be noted that for, according to remaining capacity and battery temperature, judging whether to meet in this step processor pair
The concrete mode for the default low-temperature heat condition answered, i.e., the specific setting of default low-temperature heat condition, can be by designer's root
Factually use scene and user demand self-setting, such as default low-temperature heat condition be only battery temperature less than the first temperature threshold and
When remaining capacity is greater than this condition of the first power threshold, this step can judge successively or respectively whether battery temperature is less than
Whether the first temperature threshold and remaining capacity are greater than the first power threshold, to less than the first temperature threshold and remain in battery temperature
On the contrary remaining electricity enters step 103 when being greater than the first power threshold, then terminate this process or enter step 101, and waiting is sentenced next time
It is disconnected；When default low-temperature heat condition is multiple conditions, this step can judge successively or respectively remaining capacity and battery temperature is
It is no to meet any default low-temperature heat condition, to meet a corresponding default low-temperature heat in remaining capacity and battery temperature
103 are entered step when condition, terminate this process if not meeting or enter step 101, waiting judgement next time.As long as this step
Middle processor can use remaining capacity and battery temperature compared with default low-temperature heat condition, it is determined whether need to utilize electricity
Pond heating equipment heats the battery, and the present embodiment does not do any restrictions to this.
It is corresponding, as shown in figure 3, default low-temperature heat condition is battery temperature (Tmin) less than the first temperature threshold (T1)
And remaining capacity (SOC) is greater than the first power threshold (E1) and battery temperature is less than second temperature threshold value (T2) and remaining capacity is big
In the second power threshold (E2) the two conditions, and when the first temperature threshold is less than second temperature threshold value, this step be can wrap
It includes and judges battery temperature whether less than the first temperature threshold；If so, judge whether remaining capacity is greater than the first power threshold, if
Greater than the first power threshold, then 103 are entered step；If it is not, then judging whether battery temperature is less than second temperature threshold value, if being less than
Second temperature threshold value, then judge whether remaining capacity is greater than the second power threshold, if more than the second power threshold, then enters step
103.I.e. when the battery temperature (such as single battery minimum temperature Tmin) for judging present battery is lower than the first temperature threshold, while this
When remaining capacity be higher than the first power threshold when, judgement battery can be heated at this time, enter step 103 transmission enabling signals
Give battery heating equipment (heat management system in such as Fig. 2)；When the battery temperature for judging present battery is lower than second temperature threshold value
And be higher than the first temperature threshold, while at this time remaining capacity be higher than the second power threshold when, judgement battery can be added at this time
Heat enters step 103 transmission enabling signals and gives battery heating equipment.
Specifically, for above-mentioned first temperature threshold, second temperature threshold value, the first power threshold and the second power threshold
The setting of specific value, can be by designer according to practical scene and user demand self-setting, as long as may be implemented above-mentioned
The purpose judged, the present embodiment do not do any restrictions to this.
Step 103: enabling signal is sent to battery heating equipment, to heat using battery heating equipment to battery.
It is understood that the purpose of this step can be processor by sending enabling signal to battery heating equipment,
Control battery heating equipment heats battery.Specifically, for the particular content of the enabling signal in this step, Ke Yiyou
Designer's self-setting, if battery heating equipment can based on the received processor send enabling signal, start itself
Corresponding heating device (electric water pump and plate heat exchanger in such as Fig. 2 in heat management system), heats battery, this reality
It applies example and does not do any restrictions to this.
Mode corresponding, that battery is heated in order to determine battery heating equipment, processor in this step
Not only enabling signal can be sent to battery heating equipment, corresponding heating target temperature can also be sent to battery heating equipment
Degree, battery is heated to heating target temperature using battery heating equipment, as battery heating equipment is received according to current time
Enabling signal and corresponding heating target temperature, determine heating mode that this heats battery and/or to battery into
The stop condition of row heating, such as battery heating equipment can select corresponding heating mode according to heating target temperature, reduce
The power consumption of heating device in battery heating equipment.
Specifically, obtaining the specific of the corresponding heating target temperature of enabling signal of this heating to processor in this step
Mode, can be by designer's self-setting, as shown in figure 3, battery heating control devices (battery management system in such as Fig. 2)
In processor can be according to the heater in the remaining capacity and battery heating equipment (heat management system in such as Fig. 2) of battery
The consumption power of part calculates heating target temperature (target heating temperature Tn1 or target heating temperature Tn2), i.e. this step can be with
Including the consumption power according to the heating device in remaining capacity and battery heating equipment, heating target temperature is calculated；To battery
Heating equipment sends the step of enabling signal and heating target temperature.The present embodiment does not do any restrictions to this.
It should be noted that the present embodiment is not carried out using battery heating equipment to battery after being started with electric car
In the case where heating, processor automatically determines whether to heat using battery according to the remaining capacity and battery temperature of the battery of acquisition
The displaying that equipment carries out for heating to battery.It is corresponding, after electric car starting, if utilizing through the above steps
Battery heating equipment heats battery, and method provided by the present embodiment can also include automatically determining whether to stop utilizing
Can also include: after the step of battery heating equipment heats battery, i.e. this step judge whether to meet it is corresponding pre-
If exiting heating condition；If so, shutdown signal is sent to battery heating equipment, so that battery heating equipment stops to battery
Heating.To realize the automatic control of heating stopping of the processor to battery.
It is corresponding, judge whether to meet the corresponding default concrete mode for exiting heating condition for above-mentioned, i.e., it is default to move back
The specific setting of fire-bar out, can be by designer according to practical scene and user demand self-setting, and such as default exit adds
Heat condition can break down for battery, the current battery temperature of the temperature sensor of acquisition acquisition reaches corresponding heating target
Temperature, the current residual electricity of battery of acquisition are less than third power threshold and current battery temperature and are not more than third temperature threshold
The combination of any one condition or multiple conditions in this four conditions of value (battery temperature does not rise within a preset period of time), also
Corresponding heating time can be reached for the time of this heating, be calculated as processor sends enabling signal to battery heating equipment
Corresponding heating time stops this heating to send shutdown signal to battery heating equipment after reaching heating time.This
Embodiment does not do any restrictions to this.
As shown in figure 3, when it is default exit the combination that heating condition is above-mentioned 4 conditions when, it is above-mentioned to judge whether to meet pair
The default heating condition that exits answered may include judging whether battery breaks down；It is sent out if so, executing to battery heating equipment
Shutdown signal is sent, so that the step of battery heating equipment stops the heating to battery；If it is not, then judging the temperature sensor obtained
Whether the current battery temperature (Tmin) of acquisition reaches corresponding heating target temperature；If reaching corresponding heating target temperature,
It then executes to battery heating equipment and sends shutdown signal, so that the step of battery heating equipment stops the heating to battery；If not
Reach corresponding heating target temperature, then judges whether the current residual electricity (SOC) of the battery obtained is less than third electricity threshold
It is worth (E3)；If being less than third power threshold, executes to battery heating equipment and send shutdown signal, so that battery heating equipment stops
Only to the heating of battery the step of；If being not less than third power threshold, judge whether current battery temperature is greater than third temperature
Threshold value；Wherein, third temperature threshold is the battery temperature that battery temperature or temperature sensor acquire preceding preset times；If being not more than
Third temperature threshold then executes to battery heating equipment and sends shutdown signal, so that the stopping of battery heating equipment adds battery
The step of heat.
Specifically, the current battery temperature that the temperature sensor of above-mentioned acquisition acquires can be to send to battery heating equipment
After enabling signal, the temperature of the battery at the current time that the temperature sensor of interval acquiring acquires at preset timed intervals；Above-mentioned correspondence
Heating target temperature can be the last corresponding heating target temperature of enabling signal sent to battery heating equipment, i.e.,
The heating target temperature of this heating；After above-mentioned current residual electricity can be to send enabling signal to battery heating equipment, press
Remaining capacity of the battery that prefixed time interval obtains at current time；Third temperature threshold can be to send out to battery heating equipment
The battery temperature obtained when sending enabling signal, i.e., this heating original state battery temperature, can also at preset timed intervals between
Every acquisition temperature sensor acquire this before preset times battery temperature, such as the battery temperature of last moment.Only
It wants to determine whether battery temperature rises, for third by judging whether current battery temperature is greater than third temperature threshold
The specific set-up mode of temperature threshold, the present embodiment do not do any restrictions.
That is, the battery temperature that the battery management system in Fig. 2 can acquire temperature sensor is compared and sentences
Disconnected, when judging that the minimum temperature of the single battery in present battery mould group reaches heating target temperature, it is no longer right at this time to can determine that
Battery is heated, and is sent shutdown signal (exiting heat request signal)；Or battery management system determines the residue of present battery
When electricity is lower than third power threshold, shutdown signal can be transmitted；Or it when battery management system judgement battery failure, can be transmitted
Shutdown signal, as battery management system carries out circulatory troubles detection to battery；Battery heating has been determined in battery management system
When opening but detecting that battery temperature does not rise, shutdown signal can be transmitted, exit this heating.
In the present embodiment, the embodiment of the present invention is by judging whether to meet corresponding according to remaining capacity and battery temperature
The remaining capacity of battery and battery temperature are avoided battery from heating and led by default low-temperature heat condition as the condition that heating determines
The vehicle driving not enough power supply of cause is difficult to continue the case where driving, and under the premise of guaranteeing automobile normal running, passes through heating electricity
Pond promotes power performance and increases automobile continuation of the journey, realizes effective heating of the vehicle traction in the process to battery, improves electronic vapour
Power performance and course continuation mileage when vehicle is run at low ambient temperatures, the user experience is improved.
Referring to FIG. 4, Fig. 4 is a kind of knot of the battery heating control apparatus of electric car provided by the embodiment of the present invention
Structure block diagram.The apparatus may include:
Module 100 is obtained, after carrying out driving electric discharge for battery, obtains remaining capacity and the temperature sensor acquisition of battery
Battery temperature；
Judgment module 200, for judging whether to meet corresponding default low-temperature heat according to remaining capacity and battery temperature
Condition；
Heating starting module 300, if being sent for meeting corresponding default low-temperature heat condition to battery heating equipment
Enabling signal, to be heated using battery heating equipment to battery.
In the present embodiment, the embodiment of the present invention, according to remaining capacity and battery temperature, is judged whether by judgment module 200
Meet corresponding default low-temperature heat condition, the condition that the remaining capacity of battery and battery temperature determine as heating is avoided into electricity
Vehicle driving not enough power supply is difficult to continue the case where driving caused by the heating of pond, under the premise of guaranteeing automobile normal running,
Power performance is promoted by heating battery and increases automobile continuation of the journey, is realized effective heating of the vehicle traction in the process to battery, is mentioned
Power performance and course continuation mileage when high electric car is run at low ambient temperatures, the user experience is improved.
The embodiment of the invention also provides a kind of battery heating control devices of electric car, comprising: memory, for depositing
Store up computer program；Processor realizes the electricity of the electric car as provided by above-described embodiment when for executing computer program
The step of pond method for heating and controlling.
In addition, the embodiment of the invention also provides a kind of battery heating control systems of electric car, comprising: battery, electricity
The battery heating control devices of electric car provided by pond heating equipment and an embodiment as above.
It is understood that the battery heating control devices in the present embodiment can be the battery management system in Fig. 2；This
Battery in embodiment can be the power battery being made of in Fig. 2 battery modules (1# mould group to n# mould group), wherein battery mould
Group can be made of single battery；Battery heating equipment in the present embodiment can in Fig. 2 by water tank, electric water pump, board-like
The heat management system of heat exchanger and water temperature sensor composition.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment, set
For standby and system, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to side
Method part explanation.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Above to a kind of battery method for heating and controlling, device, equipment and the system of electric car provided by the present invention into
It has gone and has been discussed in detail.Used herein a specific example illustrates the principle and implementation of the invention, the above implementation
The explanation of example is merely used to help understand method and its core concept of the invention.It should be pointed out that for the general of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for logical technical staff, this
A little improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of battery method for heating and controlling of electric car characterized by comprising
After battery carries out driving electric discharge, the remaining capacity of the battery and the battery temperature of temperature sensor acquisition are obtained；
According to the residual electric quantity with the battery temperature, judge whether to meet corresponding default low-temperature heat condition；
If so, enabling signal is sent to battery heating equipment, to add using the battery heating equipment to the battery
Heat.
2. the battery method for heating and controlling of electric car according to claim 1, which is characterized in that described according to described surplus
Remaining electricity and the battery temperature judge whether to meet corresponding default low-temperature heat condition, comprising:
Judge the battery temperature whether less than the first temperature threshold；
If so, judging whether the remaining capacity is greater than the first power threshold；
If more than first power threshold, then execute it is described send enabling signal to battery heating equipment, to utilize the electricity
The step of pond heating equipment heats the battery.
3. the battery method for heating and controlling of electric car according to claim 2, which is characterized in that the judgement electricity
After whether pond temperature is less than the first temperature threshold, further includes:
If being not less than first temperature threshold, judge whether the battery temperature is less than second temperature threshold value；Wherein, described
Second temperature threshold value is greater than first temperature threshold；
If being less than the second temperature threshold value, judge whether the remaining capacity is greater than the second power threshold；
If more than second power threshold, then execute it is described send enabling signal to battery heating equipment, to utilize the electricity
The step of pond heating equipment heats the battery.
4. the battery method for heating and controlling of electric car according to claim 1, which is characterized in that described to be heated to battery
Equipment sends enabling signal, to be heated using the battery heating equipment to the battery, comprising:
The enabling signal and corresponding heating target temperature are sent to the battery heating equipment, to heat using the battery
The battery is heated to the heating target temperature by equipment.
5. the battery method for heating and controlling of electric car according to claim 4, which is characterized in that described to the battery
Heating equipment sends the enabling signal and corresponding heating target temperature, comprising:
According to the residual electric quantity with the consumption power of the heating device in the battery heating equipment, the heating target is calculated
Temperature；
The enabling signal and the heating target temperature are sent to the battery heating equipment.
6. the battery method for heating and controlling of electric car according to any one of claims 1 to 5, which is characterized in that described
Enabling signal is sent to battery heating equipment also to wrap after heating the battery using the battery heating equipment
It includes:
Judge whether that meeting corresponding preset exits heating condition；
If so, shutdown signal is sent to the battery heating equipment, so that the battery heating equipment stops to the battery
Heating.
7. the battery method for heating and controlling of electric car according to claim 6, which is characterized in that described to judge whether to accord with
It closes corresponding preset and exits heating condition, comprising:
Judge whether the battery breaks down；
If so, execution is described to send shutdown signal to the battery heating equipment, so that battery heating equipment stopping pair
The step of heating of the battery；
If it is not, then judging whether the current battery temperature of the temperature sensor obtained acquisition reaches corresponding heating target temperature
Degree；
If reaching corresponding heating target temperature, execute it is described to the battery heating equipment send shutdown signal so that institute
State the step of battery heating equipment stops the heating to the battery；
If not up to corresponding heating target temperature, judge whether the current residual electricity of the battery obtained is less than third
Power threshold；
If be less than the third power threshold, execute it is described to the battery heating equipment send shutdown signal so that described
Battery heating equipment stops the step of heating to the battery；
If being not less than the third power threshold, judge whether the current battery temperature is greater than third temperature threshold；Wherein,
The third temperature threshold is the battery temperature that the battery temperature or the temperature sensor acquire preceding preset times；
If be not more than the third temperature threshold, execute it is described to the battery heating equipment send shutdown signal so that institute
State the step of battery heating equipment stops the heating to the battery.
8. a kind of battery heating control apparatus of electric car characterized by comprising
Module is obtained, after carrying out driving electric discharge for battery, what the remaining capacity and temperature sensor for obtaining the battery acquired
Battery temperature；
Judgment module, for judging whether that meeting corresponding default low temperature adds according to the residual electric quantity with the battery temperature
Heat condition；
Heating starting module, if sending starting letter to battery heating equipment for meeting corresponding default low-temperature heat condition
Number, to be heated using the battery heating equipment to the battery.
9. a kind of battery heating control devices of electric car characterized by comprising
Memory, for storing computer program；
Processor realizes the electricity of electric car as described in any one of claim 1 to 7 when for executing the computer program
The step of pond method for heating and controlling.
10. a kind of battery heating control system of electric car characterized by comprising
The battery heating control devices of battery, battery heating equipment and electric car as claimed in claim 9.
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| CN201910044919.3A CN109768352A (en) | 2019-01-17 | 2019-01-17 | A kind of battery method for heating and controlling, device, equipment and the system of electric car |
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| CN201910044919.3A CN109768352A (en) | 2019-01-17 | 2019-01-17 | A kind of battery method for heating and controlling, device, equipment and the system of electric car |
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| CN201910044919.3A Pending CN109768352A (en) | 2019-01-17 | 2019-01-17 | A kind of battery method for heating and controlling, device, equipment and the system of electric car |
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Application publication date: 20190517 |