CN109962320A - A kind of power battery heating system and its control method - Google Patents
A kind of power battery heating system and its control method Download PDFInfo
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- CN109962320A CN109962320A CN201711403052.3A CN201711403052A CN109962320A CN 109962320 A CN109962320 A CN 109962320A CN 201711403052 A CN201711403052 A CN 201711403052A CN 109962320 A CN109962320 A CN 109962320A
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- power battery
- driving motor
- temperature
- cooling system
- stall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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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
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of power battery heating systems, including power battery, battery management module, driving motor, drive motor controller and driving motor cooling system.When temperature of powered cell is lower than a certain temperature preset value, power battery management module controls power battery and accesses driving motor cooling system, drive motor controller controls driving motor stall, and driving motor cooling system is heated using the heat that driving motor stall generates for power battery.As a result, in the case where not needing additional power battery heating system, the purpose heated by the driving motor and driving motor cooling system of vehicle itself for power battery is realized.
Description
Technical field
The present invention relates to power battery heating art more particularly to it is a kind of using vehicle traction motor rotation blockage come for power electric
The heating system and its control method that pond is heated.
Background technique
With the continuous development of new-energy automobile, low-carbon, energy conservation, emission reduction have become the core competitiveness of automotive engineering.
Power battery is the important component of new-energy automobile, is influenced by temperature bigger, the items of power battery under low temperature
Performance decline is obvious.A kind of thermal management system of whole pure electric vehicle is disclosed in the prior art, it is characterised in that: including
Electric system cooling circuit, battery system low temperature radiation circuit, battery system higher temperatures cooling circuit, battery system charging heating
Circuit, passenger compartment heater heating loop and passenger compartment refrigerating circuit effectively meet cooling requirement, the battery of electric system
The refrigeration and heating demand of the heating of system and cooling requirement and crew module.The power battery of the inventive technique scheme heats
System design is complicated, needs to add special heating circuit, and energy consumption is higher, and the present invention is directed to design a kind of energy conservation and environmental protection, design
Simple power battery heating system.
Summary of the invention
The present invention provides a kind of power battery heating system and its control methods, can efficiently solve in the prior art
Structure is complicated for power battery heating system, needs to add special power battery heating circuit, power battery heating system energy consumption
Higher problem.
To achieve the goals above, the present invention provides the following technical scheme that
A kind of power battery heating system, including the control of power battery, power battery management module, driving motor, driving motor
Device and driving motor cooling system, the driving motor cooling system are used to control the driving motor and driving motor
Device is cooled down, which is characterized in that
The power battery management module is for detecting the temperature of powered cell and sending；
The power battery management module is also used to the control when detecting the temperature of powered cell lower than a certain temperature preset value
It makes the power battery and accesses the driving motor cooling system；
The drive motor controller is used to receive the temperature of powered cell detected, and described detects when received
When temperature of powered cell is lower than a certain temperature preset value, the driving motor stall is controlled；
The driving motor cooling system using the heat that the driving motor stall generates for the power battery for being added
Heat.
The power battery heating system of the embodiment of the present invention, it is directly sharp without adding special power battery heating circuit
It is generated heat with vehicle traction motor short time stall to be heated for power battery, structure design is simple, and system is succinct.
The drive motor controller is also used to control institute when the temperature of powered cell is higher than a certain temperature preset value
It states driving motor and stops stall.
The drive motor controller passes through the driving motor during being also used to control the driving motor stall
Size of current is lower than a certain temperature extremes.
In vehicle cold-start, when the battery management module detects the temperature of powered cell lower than a certain temperature pole
When limit value, the battery management module controls the power battery and accesses in the driving motor cooling system, the driving electricity
Machine controller controls the driving motor stall.
The power battery is that the driving motor and the drive motor controller are powered.
It further include power grid, the power grid is that the driving motor and the drive motor controller are powered.
It further include cooling system of vehicle, when the battery management module detects the temperature of powered cell lower than a certain temperature
When spending preset value, the battery management module controls the power battery and accesses in the cooling system of vehicle, and the vehicle is cold
But system is heated using the heat that vehicle operation generates for the power battery.
Power battery heating system provided in an embodiment of the present invention has the advantages that compared with prior art
(1) technical solution of the present invention can meet demand for heat of the power battery in low temperature, and technical solution of the present invention is dynamic
Power battery heating system does not need the heating module that additional aims at power battery design, directly utilizes existing driving motor
Cooling system, structure design are simple；
(2) power battery is linked into drive when temperature of powered cell is low by the power battery heating system of technical solution of the present invention
In dynamic electromotor cooling system, control driving motor stall fever carrys out heated power battery, and normal in temperature of powered cell temperature
When, stop control driving motor stall, to realize the automation of power battery low-temperature heat；
(3) drive motor controller controls driving motor stall in technical solution of the present invention, and controls the electricity by driving motor
Size is flowed, is damaged to avoid to driving motor；
(4) technical solution of the present invention can be realized in vehicle cold-start, by driving motor short time stall come for power electric
Pond heating, to meet normal starting of the vehicle in cold snap.
The embodiment of the invention also provides a kind of vehicle, including power battery heating system described in any of the above embodiments, by
There is above-mentioned beneficial effect in power battery heating system described above, the vehicle comprising the power battery heating system is also answered
With corresponding beneficial effect.
The present invention also provides a kind of power battery method for heating and controlling, the control method includes the following steps:
It detects the temperature of powered cell and sends；
When it is described detect temperature of powered cell lower than a certain temperature preset value when, control the power battery and access the driving
Electromotor cooling system；
When the temperature of powered cell is lower than a certain temperature preset value, the driving motor stall is controlled；
It is heated using the heat that the driving motor stall generates for the power battery.
Power battery method for heating and controlling provided in an embodiment of the present invention passes through the temperature of detection power battery, and in power
It is accessed when battery temperature is too low in driving motor cooling system, controls driving motor short time stall to add for power battery
Heat, method for heating and controlling are extremely easy.
It further include, when the temperature of powered cell is higher than a certain temperature preset value, controlling the driving motor and stopping blocking up
Turn.
When the temperature of powered cell is lower than a certain temperature preset value, the driving motor stall is controlled, and control institute
It states driving motor stall and passes through the electric current of the driving motor in the process lower than a certain temperature extremes.
In vehicle cold-start, when detecting the temperature of powered cell lower than a certain temperature extremes, described in control
Power battery accesses in the driving motor cooling system, controls the driving motor stall.
When detecting the temperature of powered cell lower than a certain temperature preset value, control described in the power battery access
In cooling system of vehicle, heated using the heat that vehicle operation generates for the power battery.
Detailed description of the invention
Fig. 1 show power battery heating system block diagram in the prior art；
Fig. 2 show the power battery heating system block diagram of the embodiment of the present invention；
Fig. 3 show the power battery method for heating and controlling flow chart 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.
With reference to the accompanying drawings come describe the embodiment of the present invention proposition power battery heating system and its control method.
As shown in Figure 1, power battery heating system in the prior art includes driving motor cooling system and power electric
Pond heating system.Specifically, driving motor cooling system includes driving motor, drive motor controller, expansion tank, radiator
And water pump；Power battery heating system includes power battery, power battery management module and heater.When power battery temperature
When spending low, the temperature conditions of driving motor cooling system is detected, if driving motor cooling system temperature reaches a certain temperature
Preset value then controls solenoid valve opening, power battery is linked into driving motor cooling system, driving motor cooling system is utilized
The heat of system comes for power battery heating；If driving motor cooling system temperature does not reach a certain temperature preset value, control
The heater of brake force battery heating system is opened, to heat to power battery.Power battery in the prior art adds
Hot systems complex structural designs, using heater heated power battery, energy consumption is higher.
In view of this, power battery heating system provided in an embodiment of the present invention is as shown in Fig. 2, the embodiment of the present invention provides
Power battery heating system, including power battery, power battery management module, driving motor, drive motor controller and
Driving motor cooling system.Wherein, battery management module is used to be managed power battery, monitors the parameters of battery,
To guarantee its normal operation.Driving motor cooling system is for cooling down driving motor and drive motor controller.
Wherein, in the technical solution of the embodiment of the present invention, driving motor cooling system is also used to carry out power battery
Heating.It specifically includes:
The temperature of power battery management module detection power battery；
Power battery management module is used for when temperature of powered cell is lower than a certain temperature preset value, and control power battery access is driven
In dynamic electromotor cooling system；
Drive motor controller is used to control driving motor stall when temperature of powered cell is lower than a certain temperature preset value；
Driving motor cooling system is used to heat using the heat that driving motor stall generates for power battery.
Specifically, power battery management module is provided with the preset value of temperature of powered cell protection, for working as power battery
When temperature is lower than the preset value, start the temperature protection to power battery.
Wherein, when temperature of powered cell is lower than a certain temperature preset value, power battery management module controls power battery
Access driving motor cooling system.It specifically includes, power battery management module can control setting in power battery and driving electricity
The open and close of solenoid valve 1, solenoid valve 2, solenoid valve 3 between machine cooling system, and then control power battery access driving
Electromotor cooling system, or disconnected from driving motor cooling system.
Wherein, in order to protect to driving motor, prevent driving motor stall from damaging to driving motor, in this hair
In bright technical solution, drive motor controller is used to control time and the driving motor stall process of driving motor stall
In pass through the size of current of driving motor.
It specifically includes, when temperature of powered cell is lower than a certain temperature preset value, drive motor controller control driving electricity
Machine stall, and when controlling driving motor stall by the electric current of driving motor lower than a certain temperature extremes；
When temperature of powered cell is higher than a certain temperature preset value, drive motor controller controls driving motor and stops stall.
Wherein, it is made by the size of current of driving motor during drive motor controller control driving motor stall
Less than a certain temperature extremes.Wherein, which is to guarantee driving motor inherently safe during ensuring stall and be arranged.Together
When, further to protect to driving motor, after temperature of powered cell restores normal, power battery and driving are disconnected at once
The connection of electromotor cooling system, and stop controlling driving motor stall.
Wherein, embodiment provided by the invention, the situation that temperature of powered cell is too low when to vehicle cold-start provide understanding
Technical solution certainly, specific as follows:
In vehicle cold-start, when battery management module detects temperature of powered cell lower than a certain temperature extremes, battery
Management module controls in power battery access driving motor cooling system, and drive motor controller controls driving motor stall.It drives
Dynamic electromotor cooling system is heated using the heat that driving motor stall generates for power battery.
Wherein, when vehicle cold-start, when outdoor temperature is too low, such as the winter of northern China, temperature reach subzero, this
When temperature of powered cell it is too low, battery performance decline it is more severe, in some instances it may even be possible to cause battery not discharge externally.This feelings
Under condition, generated heat by driving motor stall to be heated for power battery, to power battery temperature when meeting vehicle cold-start
The demand of degree.
Wherein, when vehicle cold-start, the fever of driving motor stall heats for power battery, and the electricity of driving motor can come
Ultromotivity battery is also possible to power by power grid.It specifically, can be Vehicular charging by charging unit, and be driving electricity
Machine and drive motor controller power supply, drive motor controller control the fever of driving motor stall.
Wherein, for the more sufficient waste heat using vehicle itself, more preferably energy-saving and environment-friendly purpose is realized, in this hair
In bright embodiment, additionally provides using cooling system of vehicle and heated for power battery.Specifically.Work as battery management module
When detecting temperature of powered cell lower than a certain temperature preset value, battery management module controls power battery and accesses vehicle cooling system
In system, cooling system of vehicle is heated using the heat that vehicle operation generates for power battery.Wherein, temperature of powered cell is lower than
A certain temperature preset value, this preset value can be different from by the power battery access preset value of driving motor cooling system, can
To be two different temperature, it is also possible to same preset value, same temperature.
The embodiment of the invention also provides a kind of vehicle, it comprises power battery described in any of the above embodiments heating to be
System.The power battery heating system as described in above-mentioned technical proposal has above-mentioned beneficial effect, contains above-mentioned technical proposal
The vehicle of power battery heating system should also have corresponding beneficial effect.
The embodiment of the invention also provides a kind of power battery method for heating and controlling, as shown in Figure 3.Specifically include following step
It is rapid:
Detect temperature of powered cell；
When detecting temperature of powered cell lower than a certain temperature preset value, control power battery accesses driving motor cooling system
System；
When temperature of powered cell is lower than a certain temperature preset value, driving motor stall is controlled；
It is heated using the heat that driving motor stall generates for power battery.
By detecting the temperature of power battery, and when temperature of powered cell is too low, driving motor cooling system is accessed
System, while driving motor stall is controlled, it is heated using the heat that driving motor stall generates for power battery.To realize
The purpose heated using vehicle existing apparatus to power battery does not need to increase special heating device, computer heating control letter newly
It is single.
In order to be protected to driving motor, this power battery method for heating and controlling also to driving motor stall time and
Locked rotor current is controlled.It specifically includes:
When temperature of powered cell is lower than a certain temperature preset value, when controlling driving motor stall, and controlling driving motor stall
It is lower than a certain temperature extremes by the electric current of driving motor；
When temperature of powered cell is higher than a certain temperature preset value, control driving motor stops stall.
Wherein, control driving motor locked rotor current is lower than certain and limiting value, which is to guarantee driving motor stall not
To the hurtful maximum protection current value of driving motor itself.It generates heat as a result, using driving motor stall come heated power
While battery, avoid damaging driving motor as far as possible.
Power battery method for heating and controlling of the invention additionally provides power battery heating means when vehicle cold-start, tool
Body is as follows:
In vehicle cold-start, when detecting temperature of powered cell lower than a certain temperature extremes, control power battery access
In driving motor cooling system, driving motor stall is controlled.
It is thus achieved that the purpose that vehicle normally starts under more arctic weather situation, ensure that the good of power battery
Good operating condition and performance.
For the more sufficient heat generated using vehicle self-operating, energy-saving and environment-friendly purpose is preferably realized,
In the power battery heating means of the embodiment of the present invention, when detecting temperature of powered cell lower than a certain temperature preset value, control
Brake force battery accesses in cooling system of vehicle, is heated using the heat that vehicle operation generates for power battery.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
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.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
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.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (13)
1. a kind of power battery heating system, including power battery, power battery management module, driving motor, driving motor control
Device and driving motor cooling system processed, the driving motor cooling system are used for the driving motor and driving motor control
Device processed is cooled down, which is characterized in that
The power battery management module is for detecting the temperature of powered cell and sending；
The power battery management module is also used to the control when detecting the temperature of powered cell lower than a certain temperature preset value
It makes the power battery and accesses the driving motor cooling system；
The drive motor controller is used to receive the temperature of powered cell detected, and described detects when received
When temperature of powered cell is lower than a certain temperature preset value, the driving motor stall is controlled；
The driving motor cooling system using the heat that the driving motor stall generates for the power battery for being added
Heat.
2. power battery heating system as described in claim 1, which is characterized in that the drive motor controller is also used to work as
When the temperature of powered cell is higher than a certain temperature preset value, controls the driving motor and stop stall.
3. power battery heating system as described in claim 1, which is characterized in that the drive motor controller is also used to control
The driving motor stall is made in the process by the size of current of the driving motor lower than a certain temperature extremes.
4. power battery heating system as claimed in claim 2 or claim 3, which is characterized in that in vehicle cold-start, when the electricity
When pond management module detects the temperature of powered cell lower than a certain temperature extremes, described in the battery management module control
Power battery accesses in the driving motor cooling system, and the drive motor controller controls the driving motor stall.
5. power battery heating system as claimed in claim 2 or claim 3, which is characterized in that the power battery is the driving
Motor and drive motor controller power supply.
6. power battery heating system as claimed in claim 2 or claim 3, which is characterized in that further include power grid, the power grid is institute
State driving motor and drive motor controller power supply.
7. such as power battery heating system described in claim 5 or 6, which is characterized in that further include cooling system of vehicle, work as institute
When stating battery management module and detecting the temperature of powered cell lower than a certain temperature preset value, the battery management module control
The power battery accesses in the cooling system of vehicle, the cooling system of vehicle using the heat that vehicle operation generates come for
The power battery heating.
8. a kind of vehicle, which is characterized in that including the described in any item power battery heating systems of claims 1 to 7.
9. a kind of power battery method for heating and controlling, which is characterized in that the control method includes the following steps:
It detects the temperature of powered cell and sends；
When it is described detect temperature of powered cell lower than a certain temperature preset value when, control the power battery and access the driving
Electromotor cooling system；
When the temperature of powered cell is lower than a certain temperature preset value, the driving motor stall is controlled；
It is heated using the heat that the driving motor stall generates for the power battery.
10. power battery method for heating and controlling as claimed in claim 9, which is characterized in that further include, when the power battery
When temperature is higher than a certain temperature preset value, controls the driving motor and stop stall.
11. power battery method for heating and controlling as claimed in claim 9, which is characterized in that when the temperature of powered cell is low
When a certain temperature preset value, control the driving motor stall, and control pass through during the driving motor stall it is described
The electric current of driving motor is lower than a certain temperature extremes.
12. power battery method for heating and controlling as described in claim 10 or 11, which is characterized in that in vehicle cold-start,
When detecting the temperature of powered cell lower than a certain temperature extremes, controls the power battery and access the driving motor
In cooling system, the driving motor stall is controlled.
13. power battery method for heating and controlling as claimed in claim 12, which is characterized in that when detecting the power battery
When temperature is lower than a certain temperature preset value, controls the power battery and access in the cooling system of vehicle, run using vehicle
The heat of generation comes for power battery heating.
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| CN201711403052.3A CN109962320A (en) | 2017-12-22 | 2017-12-22 | A kind of power battery heating system and its control method |
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| CN201711403052.3A CN109962320A (en) | 2017-12-22 | 2017-12-22 | A kind of power battery heating system and its control method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534842A (en) * | 2019-08-22 | 2019-12-03 | 浙江吉利汽车研究院有限公司 | A kind of battery pack method for managing temperature, apparatus and system |
| CN111446696A (en) * | 2020-04-29 | 2020-07-24 | 安徽江淮汽车集团股份有限公司 | Automobile motor protection method, device, equipment and storage medium |
| CN111554954A (en) * | 2020-05-11 | 2020-08-18 | 浙江吉利新能源商用车集团有限公司 | Fuel cell cold start assembly, vehicle and control method |
| CN111907512A (en) * | 2020-07-29 | 2020-11-10 | 一汽解放青岛汽车有限公司 | Cold start control method for hybrid vehicle and vehicle |
| CN112060938A (en) * | 2020-08-28 | 2020-12-11 | 宝能(广州)汽车研究院有限公司 | Charging control method and charging device for electric vehicle and vehicle |
| WO2021197478A1 (en) * | 2020-04-03 | 2021-10-07 | 长城汽车股份有限公司 | Vehicle, and method and apparatus for heating battery pack thereof |
| CN115263519A (en) * | 2022-08-19 | 2022-11-01 | 中国第一汽车股份有限公司 | Hybrid power engine thermal management system, control method and vehicle |
| EP4043254A4 (en) * | 2019-09-25 | 2023-02-01 | BYD Company Limited | Energy conversion device and vehicle |
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