CN110323519A - Battery pack method for heating and controlling and system - Google Patents
Battery pack method for heating and controlling and system Download PDFInfo
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- CN110323519A CN110323519A CN201910578401.8A CN201910578401A CN110323519A CN 110323519 A CN110323519 A CN 110323519A CN 201910578401 A CN201910578401 A CN 201910578401A CN 110323519 A CN110323519 A CN 110323519A
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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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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- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to battery technology field, embodiments thereof provide a kind of battery pack method for heating and controlling, comprising: according to the current relevant parameter of the battery pack got, generate the signal heated to the battery pack；The current relevant parameter includes the current temperature of the battery pack, the current relevant parameter further include: the current discharge power MAP value of the battery pack；The discharge power MAP value is to be inquired to obtain from discharge power MAP table according to the battery pack Current Temperatures and present battery state-of-charge.Corresponding battery pack heating control system and a kind of electric car are additionally provided simultaneously.Embodiments of the present invention are made battery pack work in convenient temperature range, are promoted the power performance and continuation of the journey performance of battery pack by increasing the output power of monitoring battery pack using matched driving heating strategy.
Description
Technical field
The present invention relates to battery technology field, in particular to a kind of battery pack method for heating and controlling and a kind of battery pack add
Thermal control system.
Background technique
Power resources of the power battery as new-energy automobile, the course continuation mileage of the superiority and inferiority of performance for new-energy automobile
And power performance for be vital.The control strategy of power battery thermal management system is according to temperature to cell performance
The influence of energy, in conjunction with the power demand of vehicle, battery-based best charge and discharge temperature range prevents electric car too low
It is used under environment temperature, the problem of to avoid causing charging that lithium is precipitated since temperature is too low, the capacity that when high-temperature charging occurs declines
The problem of subtracting.
Battery pack is influenced seriously by low temperature environment.It drives a vehicle under operating condition in low temperature, with the progress of electric discharge, the SOC of battery pack
It gradually decreases, the discharge power of battery and the decline of available discharge energy are very fast, show the power of vehicle or continuation of the journey at low temperature
It is deteriorated.
Traditional power battery thermal management control strategy is as follows: startup power supply switchs first, temperature sensor and voltage sensor
Device starts to detect battery temperature and voltage respectively, and user voluntarily determines the electricity residue situation of electric vehicle, if wanting to charge,
Temperature setting process is executed, it is specific as follows: if the temperature detected is lower than the lower limit temperature of battery work, to execute heating
Strategy heats battery, and with the lasting progress of heating, the temperature of battery is gradually risen, meanwhile, temperature sensor is real-time
The temperature for monitoring battery, guarantees the normal use of electric vehicle；When temperature is increased to the lower limit temperature that battery can charge, start
It charges in heating；Once temperature reaches the temperature that battery can be used normally, then heating is closed, is only charged the battery.
If extraneous temperature is relatively low, temperature is gradually reduced battery while charging, once dropping to battery using temperature, is then opened
Begin to heat, into the state to charge in heating；It moves in circles in this way, until battery is at full charge；In electric vehicle to be started,
If the temperature of battery is excessively high, the strategy of output power reduction is executed.But this conventional measures does not consider low temperature driving situation.
Discharge power MAP table: in advance according to the internal resistance and input of differential declines period battery under different temperatures difference SOC,
The experimental data of output power, manufactured battery allow the MAP chart or model of input, the maximum of output or continuous power.
SOC: full name is State of Charge, and battery charge state is also remaining capacity, and representative is that battery uses
A period of time or after lying idle for a long time it is remaining can discharge electricity amount and its fully charged state electricity ratio, commonly use percentage
Number indicates.
Summary of the invention
In view of this, the present invention is directed to propose a kind of battery pack method for heating and controlling and system, introduce defeated in monitoring quantity
Power MAP value out, at least to solve the problems, such as that battery pack decays in the power that low temperature is driven a vehicle under working environment and continuation of the journey reduces.
To achieve the goals above, first aspect present invention provides a kind of battery pack method for heating and controlling, comprising: according to obtaining
The current relevant parameter of the battery pack got generates the signal heated to the battery pack；The current correlation
Parameter includes: the current temperature of the battery pack, the current relevant parameter further include: the current electric discharge function of the battery pack
Rate MAP value；The discharge power MAP value is according to the battery pack Current Temperatures and present battery state-of-charge from discharge power
Inquiry obtains in MAP table.
Optionally, when the current temperature of the battery pack is lower than set temperature threshold value, and the battery pack is current puts
When electrical power MAP value is lower than setting discharge power threshold value, the signal heated to the battery pack is generated.
Optionally, setting discharge power threshold value target power according to needed for battery pack present load institute is true
It is fixed.
Optionally, the method also includes: obtain movement state information of the battery pack relative to ground；Only when described
When battery pack is relative to ground nonstatic, the battery pack method for heating and controlling is enabled.
In the second aspect of the present invention, additionally provide a kind of battery pack heating control system, comprising: controller and with it is described
The temperature sensor of controller communication connection,
The controller is generated for the relevant parameter current according to the battery pack got to the battery pack
The signal of heat treatment, the current relevant parameter of the battery pack include the current temperature of the battery pack；
The temperature sensor, for acquiring the current temperature of the battery pack and being sent to the controller；
The system also includes: discharge power MAP device；
The discharge power MAP device and the controller communicate to connect, for exporting the current electric discharge of the battery pack
Power MAP value is simultaneously sent to the controller；The discharge power MAP value is according to the battery pack Current Temperatures and current electricity
Pond state-of-charge, which is inquired from discharge power MAP table, to be obtained；
The current relevant parameter of the battery pack further includes the current discharge power MAP value of the battery pack.
Optionally, the controller is also configured to be lower than set temperature threshold value when the current temperature of the battery pack, and
And the current discharge power MAP value of the battery pack lower than setting discharge power threshold value when, generate to the battery pack heating
The signal of reason.
Optionally, setting discharge power threshold value target power according to needed for battery pack present load institute is true
It is fixed.
Optionally, the system also includes motion state sensors: the motion state sensor is for obtaining the electricity
Chi Bao relative to ground movement state information and be sent to the controller；
The controller is also configured to enable the battery pack only when the battery pack is relative to ground nonstatic
Method for heating and controlling.
In the third aspect of the present invention, a kind of electric car is additionally provided, the electric car includes battery pack above-mentioned
Heating control system.
Fourth aspect present invention also provides a kind of computer readable storage medium, and instruction is stored in the storage medium,
When run on a computer, so that computer executes battery pack method for heating and controlling above-mentioned.
The above-mentioned technical proposal provided through the invention, can by increase monitoring battery pack output power, using
The driving heating strategy matched makes battery pack work in convenient temperature range, promotes the power performance and continuation of the journey performance of battery pack.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies mode and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow diagram for the battery pack method for heating and controlling that one embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the battery pack heating control system that one embodiment of the present invention provides；
Fig. 3 is the implementation process diagram for the battery pack method for heating and controlling that one embodiment of the present invention provides.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the flow diagram for the battery pack method for heating and controlling that one embodiment of the present invention provides.Such as Fig. 1 institute
Show, the present invention provides a kind of battery pack method for heating and controlling, which comprises current according to the battery pack got
Relevant parameter generates the signal heated to the battery pack；The current relevant parameter includes: that the battery pack is current
Temperature, the current relevant parameter further include: the current discharge power MAP value of the battery pack；The discharge power MAP
Value is to be inquired to obtain from discharge power MAP table according to the battery pack Current Temperatures and present battery state-of-charge.
In this way, battery pack work can be made in convenient temperature range, promote electricity by the driving low-temperature heat strategy
The power of Chi Bao shows and continuation of the journey performance.
Specifically, existing battery pack method for heating and controlling is required to the current temperature of battery pack, to judge whether to need
Execute heating operation；Alternatively, also other current relevant parameters of acquisition battery pack are integrated while obtaining Current Temperatures
Judge whether to need to be implemented heating operation.But all discharge powers current without reference to battery pack.Discharge power depends on battery
The discharge current under discharge voltage and the discharge voltage in discharge process, is an important indicator of battery output valve.This reality
The discharge power that the mode of applying provides is obtained by searching for discharge power MAP table, hereinafter referred to as discharge power MAP value.It puts
Electrical power MAP value not only will affect the service life of battery, also will affect the driving and safety of vehicle.Therefore, this of the invention
Carry out whether comprehensive descision needs to battery pack by the discharge power MAP value of battery pack temperature and battery pack in embodiment
It is heated, to realize the heating strategy for more cost-effectively and more meeting reality scene.
In a kind of embodiment provided by the invention, a kind of specific heating strategy is provided: when the battery pack is current
Temperature be lower than set temperature threshold value, and the current discharge power MAP value of the battery pack is lower than setting discharge power threshold value
When, generate the signal heated to the battery pack.One of Rule of judgment in embodiment herein is that battery pack is current
Temperature is lower than set temperature threshold value, it will be apparent that, when the Current Temperatures of battery pack are higher than set temperature without heating.It is another
One Rule of judgment is the current discharge power MAP value of battery pack lower than setting discharge power threshold value, at this time the case where be: working as
Under preceding low temperature condition, the output power of battery pack has been subjected to the adverse effect of low temperature.According to the characteristic of battery pack, pass through
Heating can be obviously improved the output performance of battery pack, therefore generate the signal heated to the battery pack, by adding
Heat promotes the output power of the battery pack.In the case where battery pack is in low temperature condition, the current discharge power MAP value of battery pack
When higher than setting discharge power threshold value, and without heating.Because battery pack is during discharging output, itself can be generated
Heat, the temperature which is able to maintain battery pack are unlikely to too low, and the output power MAP value of battery pack at this time does not have
It is too low, indicate that the battery pack is not significantly affected by low temperature.The heating strategy that this embodiment provides is more suitable reality
Low temperature drive a vehicle operating condition, it is also more energy saving.
Further, setting discharge power threshold value target power according to needed for battery pack present load institute is true
It is fixed.Target power herein, which refers to, runs the required performance number of certain operating condition for vehicle, can demarcate test by vehicle and obtain, so as to
Obtain optimal dynamic property and energy-saving effect.When the setting discharge power threshold value is excessively high, the long-time that will lead to heating device is opened
It opens, it is too low, cause battery pack to be unable to satisfy normal demanded power output.When the battery pack be electric car in battery pack,
And in operating status, the load of battery pack is mainly motor, or further includes other interior electronic equipments, battery pack
Output power needs to meet the normal operation demand described above loaded in automobile.Therefore, setting discharge power threshold value herein
Target power needed for battery pack present load with reference to being configured, the threshold value in this embodiment by the method into
Row setting, had both met the normal power demand of load, and at the beginning of decreasing heating device, had reduced energy consumption.
In another embodiment provided by the invention, the method also includes: the battery pack is obtained relative to ground
Movement state information；Only when the battery pack is relative to ground nonstatic, the battery pack method for heating and controlling is enabled.This
Embodiment is preferred in the driving conditions of electric car.The basic load of battery pack in electric car is motor or drive
Dynamic motor, and the power required in driving motor is higher.And when electric car is in non-driving conditions, required function
Rate is extremely low, if using method above-mentioned at this time, is easy to cause erroneous judgement, it may be assumed that though temperature as low as battery pack can be damaged,
But because discharge power MAP value is still able to be higher than loads required power at this time, heating device will not be opened, to hold
Easily cause the damage of battery pack.Movement state information herein can be obtained by positioning device, can also pass through electronic vapour
Other in vehicle can be identified for that the sensor of state of motion of vehicle to obtain.
In embodiment provided by the invention, a kind of battery pack heating control system is additionally provided.Fig. 2 is the present invention one
The structural schematic diagram for the battery pack heating control system that kind of embodiment provides, as shown in Fig. 2, system include: controller and with
The temperature sensor of the controller communication connection,
The controller is generated for the relevant parameter current according to the battery pack got to the battery pack
The signal of heat treatment, the current relevant parameter of the battery pack include the current temperature of the battery pack；
The temperature sensor, for acquiring the current temperature of the battery pack and being sent to the controller；
The system also includes: discharge power MAP device；
The discharge power MAP device and the controller communicate to connect, for exporting the current electric discharge of the battery pack
Power MAP value is simultaneously sent to the controller；The discharge power MAP value is according to the battery pack Current Temperatures and current electricity
Pond state-of-charge, which is inquired from discharge power MAP table, to be obtained；
The current relevant parameter of the battery pack further includes the current discharge power MAP value of the battery pack.
This embodiment of the present invention provides the mode of computation of table lookup, monitors the current output power of battery pack, for
Controller judges whether to need to open heating.It can also be by the way of the measurement of discharge power meter.Specifically implementing field
Jing Zhong can select existing power meter, preferably direct-current power meter, can also be using measurement present discharge voltage and the electric discharge
Discharge current under voltage and the mode calculated in real time.Temperature sensor can select common PT resistance or NTC resistance.Herein
Controller have the function of numerical value calculate and logical operation, at least have data-handling capacity central processor CPU, with
Machine memory RAM, read only memory ROM, a variety of I/O mouthfuls and interruption systems etc..Herein device can select for example, single-chip microcontroller,
The usual hardwares such as chip or processor are exactly intelligent terminal or the processor of PC in the case where more often using.Here, the dress
The existing controller that can be in PMS (PACK management system) or BMS (battery management system) is set, the function of realizing is the control
The subfunction of device processed.Its concrete form is dependent on one section of software in the hardware running environment of controller in existing PMS or BMS
Code.
In a kind of embodiment provided by the invention, the controller is also configured to when the battery pack is current
Temperature is lower than set temperature threshold value, and when the current discharge power MAP value of the battery pack is lower than setting discharge power threshold value,
The battery pack is heated.Further, the setting discharge power threshold value is according to the battery pack present load
Required target power is determined.Described in the method for heating strategy and threshold value setting reference hereinbefore in present embodiment, this
Place is not repeated.
In another embodiment provided by the invention, the system also includes motion state sensors: the movement
State sensor is for obtaining the battery pack relative to the movement state information on ground and being sent to the controller；The control
Device processed is also configured to enable the battery pack method for heating and controlling only when the battery pack is relative to ground nonstatic.This
The motion state sensor at place can be GNSS device (Global Navigation Satellite System, such device are provided with velocity information),
Other that can select inside electric car can be identified for that the sensor of state of motion of vehicle.
Fig. 3 is the implementation process diagram for the battery pack method for heating and controlling that one embodiment of the present invention provides, below
In conjunction with Fig. 3, driving heating strategy provided by the embodiment is illustrated.
When vehicle starts, while the Current Temperatures of battery pack are determined and the function that discharges according to temperature sensor and voltage sensor
Rate MAP value, the discharge power MAP value in the present embodiment is to carry out computation of table lookup according to voltage signal and SOC value, mainly
Output of tabling look-up can be carried out according to collected value by control device (or BMS or PMS): when battery pack temperature is lower than target temperature
And discharge power MAP value be lower than target power when, open heating；When battery pack temperature rises above target temperature or puts
Electrical power MAP value stops heating when being higher than target power, and carries out continuing monitoring to it.
In a kind of embodiment provided by the invention, a kind of electric car is additionally provided, before the electric car includes
The battery pack heating control system stated.System above-mentioned is used in electric car, can significantly improve under low temperature driving scene
Battery durable mileage shorten and dynamic property attenuation problem, promote the performance of electric automobile whole.
In a kind of optional embodiment provided by the invention, a kind of battery pack heating control apparatus, the dress are also provided
Set includes: memory and processor；
The memory is for storing program instruction；The processor is for calling the journey stored in the memory
Sequence is instructed to realize a kind of battery pack method for heating and controlling above-mentioned, carries out computer heating control to the heating equipment of battery pack.
In provided by the invention kind of embodiment, a kind of computer readable storage medium is additionally provided, the storage is situated between
Instruction is stored in matter, when run on a computer, so that computer executes battery pack method for heating and controlling above-mentioned.
By embodiment of above, it is capable of providing more cost-effective and more meets the heating strategy of reality scene, and promoted
The performance of battery pack at low temperature.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable Jie
The example of matter.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (10)
1. a kind of battery pack method for heating and controlling, comprising: according to the current relevant parameter of the battery pack got, generation pair
The signal of the battery pack heat treatment, the current relevant parameter includes the current temperature of the battery pack, and feature exists
In the current relevant parameter further include: the current discharge power MAP value of the battery pack；The discharge power MAP value is
It is inquired according to the battery pack Current Temperatures and present battery state-of-charge and to be obtained from discharge power MAP table.
2. the method according to claim 1, wherein when the current temperature of the battery pack is lower than set temperature threshold
Value, and when the current discharge power MAP value of the battery pack is lower than setting discharge power threshold value, generation adds the battery pack
The signal of heat treatment.
3. according to the method described in claim 2, it is characterized in that, the setting discharge power threshold value is worked as according to the battery pack
Target power needed for preceding load is determined.
4. method according to any one of claim 1-3, which is characterized in that the method also includes: obtain the electricity
Movement state information of the Chi Bao relative to ground；Only when the battery pack is relative to ground nonstatic, the battery pack is enabled
Method for heating and controlling.
5. a kind of battery pack heating control system, comprising: controller and the temperature sensor with controller communication connection；
The temperature sensor is for acquiring the current temperature of the battery pack and being sent to the controller；
The controller is used for the relevant parameter current according to the battery pack got, generates to the battery pack heating
The signal of reason, the current relevant parameter of the battery pack include the current temperature of the battery pack；
It is characterized in that, the system also includes: discharge power MAP device；
The discharge power MAP device and the controller communicate to connect, for exporting the current discharge power of the battery pack
MAP value is simultaneously sent to the controller；The discharge power MAP value is according to the battery pack Current Temperatures and present battery lotus
Electricity condition, which is inquired from discharge power MAP table, to be obtained；
The current relevant parameter of the battery pack further includes the current discharge power MAP value of the battery pack.
6. system according to claim 5, which is characterized in that the controller is also configured to work as when the battery pack
Preceding temperature is lower than set temperature threshold value, and the current discharge power MAP value of the battery pack is lower than setting discharge power threshold
When value, the signal heated to the battery pack is generated.
7. system according to claim 6, which is characterized in that the setting discharge power threshold value is worked as according to the battery pack
Target power needed for preceding load is determined.
8. the system according to any one of claim 5-7, which is characterized in that the system also includes motion state sensings
Device: the motion state sensor is for obtaining the battery pack relative to the movement state information on ground and being sent to the control
Device processed；
The controller is also configured to only when the battery pack is relative to ground nonstatic, enables the battery pack heating
Control method.
9. a kind of electric car, which is characterized in that the electric car includes the battery as described in any one of claim 5-8
Packet heating control system.
10. a kind of computer readable storage medium, which is characterized in that instruction is stored in the storage medium, when it is being calculated
When being run on machine, so that computer perform claim requires battery pack method for heating and controlling described in any one of 1-4.
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| CN201910578401.8A CN110323519A (en) | 2019-06-28 | 2019-06-28 | Battery pack method for heating and controlling and system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430844A (en) * | 2020-03-05 | 2020-07-17 | 威睿电动汽车技术(宁波)有限公司 | Heat management method and device during battery pack charging and automobile |
| CN111469714A (en) * | 2020-04-24 | 2020-07-31 | 上海元城汽车技术有限公司 | Starting control method, device, equipment and storage medium of extended range electric vehicle |
| CN112540310A (en) * | 2020-12-08 | 2021-03-23 | 重庆金康动力新能源有限公司 | Verification method and system for battery temperature management strategy |
| CN113097597A (en) * | 2021-04-02 | 2021-07-09 | 阳光电源股份有限公司 | Thermal management method of energy storage system, controller and energy storage system |
| CN113224411A (en) * | 2021-03-26 | 2021-08-06 | 江铃汽车股份有限公司 | Battery pack heating control method and system |
| CN113937388A (en) * | 2021-10-14 | 2022-01-14 | 上海汽车变速器有限公司 | Battery heating control method, device, equipment and storage medium |
| CN114179679A (en) * | 2021-09-27 | 2022-03-15 | 岚图汽车科技有限公司 | Power battery temperature control method and related equipment |
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