CN114678631A - Battery pack driving heating control method and device, battery pack and electric vehicle - Google Patents

Battery pack driving heating control method and device, battery pack and electric vehicle Download PDF

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Publication number
CN114678631A
CN114678631A CN202210201927.6A CN202210201927A CN114678631A CN 114678631 A CN114678631 A CN 114678631A CN 202210201927 A CN202210201927 A CN 202210201927A CN 114678631 A CN114678631 A CN 114678631A
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Prior art keywords
battery pack
temperature
heating
vehicle
target
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Chinese (zh)
Inventor
沈帅
冯莉原
张骞慧
梁海强
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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Priority to CN202210201927.6A priority Critical patent/CN114678631A/en
Publication of CN114678631A publication Critical patent/CN114678631A/en
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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
    • H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
    • 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
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • 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
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Secondary Cells (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention provides a method and a device for controlling heating of a battery pack travelling crane, a battery pack and an electric vehicle, and relates to the technical field of electric vehicles. The method comprises the following steps: acquiring the average speed of the vehicle in a preset time period; acquiring the current temperature of the battery pack, a first temperature rise rate of the temperature rise preset value of the battery pack and the state of charge of the battery pack; acquiring a target driving mileage of a vehicle; determining a target temperature of a water inlet of the battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target driving mileage within the preset time period of the vehicle; and controlling the temperature of the battery pack according to the target temperature. The scheme of the invention solves the problems that the heating of the battery cannot be timely adjusted through the temperature rise rate of the battery and the driving dynamic time, so that the time point of heating the battery cannot be started, and the power of heating the battery cannot be determined in the prior art.

Description

Battery pack driving heating control method and device, battery pack and electric vehicle
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a battery pack driving heating control method and device, a battery pack and an electric vehicle.
Background
The new energy automobile is more and more popular, but compared with the new energy automobile under the normal temperature condition, the performance of the battery pack of the new energy automobile under the low temperature condition is greatly reduced, so that the new energy automobile user needs to frequently charge in autumn and winter. Under the low temperature condition, a part of electric energy of the battery pack is used for heating the battery, and a part of electric energy is used for providing power for the automobile, so that how to reasonably distribute the electric quantity of the battery pack has great influence on the mileage conservation rate of the battery. The existing driving heating method cannot timely adjust the heating of the battery through the temperature rise rate of the battery and the driving dynamic time, so that the time point of heating the battery cannot be started, and the power of heating the battery cannot be determined.
Disclosure of Invention
The embodiment of the invention provides a battery pack driving heating control method and device, a battery pack and an electric vehicle, which are used for solving the problems that the heating of a battery cannot be timely adjusted through the temperature rise rate of the battery and the driving dynamic time, so that the time point of heating the battery cannot be started, and the power of heating the battery cannot be determined in the prior art.
The embodiment of the invention provides a method for controlling the heating of a battery pack travelling crane, which comprises the following steps:
acquiring the average speed of a vehicle in a preset time period;
acquiring the current temperature of the battery pack, a first temperature rise rate of the preset temperature rise value of the battery pack and the state of charge of the battery pack;
acquiring a target driving mileage of a vehicle;
determining a target temperature of a water inlet of the battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target mileage;
and controlling the temperature of the battery pack according to the target temperature.
Further, the determining a target temperature at a water inlet of a battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target mileage, which are within the preset time period of the vehicle, includes:
determining the target temperature according to the following formula:
Figure BDA0003529676640000021
wherein, TinputA target temperature at the inlet of the battery pack heating apparatus; t is the current temperature of the battery pack, and VT is the first temperature rise rate; (x) is the mileage retention of the battery pack at different temperatures for the vehicle; r0 is nominal mileage; SOC is the state of charge of the battery pack, and V is the average speed of the vehicle in a preset time period;
And determining the corresponding relation between the first moment when the heating device heats the battery pack and the heating temperature rise rate of the battery pack according to the target temperature.
Further, the mileage retention rate of the battery pack at different temperatures of the vehicle is determined by the following formula:
Figure BDA0003529676640000022
wherein T is the current temperature of the battery pack.
Further, the method further comprises:
controlling the temperature of a water inlet of the battery pack heating device to rise under the condition that the current temperature of the battery pack is smaller than a first threshold value;
and controlling the temperature of the water inlet of the battery pack heating device to stop rising when the temperature of the battery pack is larger than a second threshold value.
Further, the controlling the temperature of the water inlet of the battery pack heating device to rise in case that the current temperature of the battery pack is less than a first threshold value comprises:
acquiring the consumed electric quantity and the income electric quantity generated by heating the battery pack by the battery pack heating device;
and controlling the temperature of the water inlet of the battery pack heating device to stop rising under the condition that the ratio of the consumed electric quantity to the benefited electric quantity is larger than 1.
Further, the obtaining of the consumed electric quantity and the income electric quantity generated by the battery pack to the battery pack by heating the battery pack by the battery pack heating device comprises:
acquiring the average power consumption of the battery pack when the temperature rises to a preset temperature;
determining the consumed energy for heating the battery pack according to the average electric quantity consumption and the current temperature of the battery pack;
acquiring the corresponding relation between the electric quantity and the temperature of the battery pack;
and determining the income energy for heating the battery pack according to the corresponding relation between the electric quantity and the temperature.
Further, the corresponding relation between the electric quantity of the battery pack and the temperature is determined by the following formula:
Figure BDA0003529676640000031
wherein C (T) is the electric quantity of the battery pack at different temperatures; and T is the current temperature of the battery pack.
The embodiment of the invention also provides a battery pack driving heating control device, which comprises:
the first acquisition module is used for acquiring the average speed of the vehicle in a preset time period;
the second acquisition module is used for acquiring the current temperature of the battery pack, a first temperature rise rate of the temperature rise preset value of the battery pack and the state of charge of the battery pack;
the third acquisition module is used for acquiring the target driving mileage of the vehicle;
The determining module is used for determining the target temperature of the water inlet of the battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target mileage;
and the control module is used for controlling the temperature of the battery pack according to the target temperature.
The embodiment of the invention also provides a battery pack, which comprises the battery pack driving heating control device.
The embodiment of the invention also provides an electric automobile which comprises the battery pack.
The beneficial effects of the invention are:
according to the method for controlling the heating of the battery pack during the driving of the vehicle, disclosed by the embodiment of the invention, the target temperature of a water inlet of a battery pack heating device is determined according to the average speed of the vehicle in a preset time period, the first temperature rise rate of the temperature rise preset value of the battery pack of the vehicle, the charge state of the battery pack and the target driving mileage of the vehicle; and determining whether the battery pack needs to be heated according to the target temperature, so as to control the temperature of the battery pack to timely adjust the heating of the battery pack according to the dynamic time of the travelling crane. The problem of unable temperature rise speed and the driving dynamic time through the battery in time adjust the heating to the battery among the prior art, lead to unable time point of beginning to heat the battery, and can't confirm the power of heating the battery is solved.
Drawings
FIG. 1 is a schematic diagram illustrating steps of a method for controlling heating of a battery pack in accordance with an embodiment of the present invention;
fig. 2 is a block diagram of a battery pack driving heating control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The invention provides a battery pack driving heating control method and device, a battery pack and an electric automobile, aiming at the problems that in the prior art, the heating of a battery cannot be adjusted in time through the temperature rise rate and the driving dynamic time of the battery, so that the time point of heating the battery cannot be started and the power of heating the battery cannot be determined.
As shown in fig. 1, an embodiment of the present invention provides a method for controlling heating of a battery pack traveling crane, including the following steps:
step 101, acquiring the average speed of a vehicle in a preset time period;
102, acquiring the current temperature of the battery pack, a first temperature rise rate of the temperature of the battery pack rising by a preset value and the state of charge of the battery pack;
step 103, acquiring a target driving mileage of the vehicle;
104, determining a target temperature of a water inlet of a battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target driving mileage within the preset time period of the vehicle;
And 105, controlling the temperature of the battery pack according to the target temperature.
Alternatively, the first temperature increase rate at which the temperature of the battery pack increases by a preset value may be a temperature increase rate at which the temperature of the battery pack increases by a preset temperature, for example, 5 set degrees, in the last sequence.
Optionally, the average vehicle speed of the vehicle in a preset time period may be obtained by a vehicle controller; the current temperature of the battery pack, the first temperature rise rate of the temperature rise of the battery pack by a preset value and the state of charge of the battery pack can be acquired by an electric edge tool; the target mileage of the vehicle may be acquired through a navigation map or historical behavior data of the user.
According to the method for controlling the heating of the battery pack during the driving of the vehicle, disclosed by the embodiment of the invention, the target temperature of a water inlet of a battery pack heating device is determined according to the average speed of the vehicle in a preset time period, the first temperature rise rate of the temperature rise preset value of the battery pack of the vehicle, the charge state of the battery pack and the target driving mileage of the vehicle; and determining whether the battery pack needs to be heated according to the target temperature, so as to control the temperature of the battery pack to timely adjust the heating of the battery pack according to the dynamic time of the travelling crane. The problem of in the prior art can't in time adjust the heating to the battery through the temperature rise rate of battery and driving dynamic time, lead to unable time point of beginning to heat the battery, and can't confirm the power of heating the battery is solved.
Optionally, the determining a target temperature of the water inlet of the battery pack heating apparatus according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack, and the target mileage over the preset time period of the vehicle includes:
determining the target temperature according to the following formula:
Figure BDA0003529676640000051
wherein, TinputA target temperature at the inlet of the battery pack heating apparatus; t is the current temperature of the battery pack, and VT is the first temperature rise rate; (x) is the mileage retention of the battery pack at different temperatures for the vehicle; r0 is nominal mileage; SOC is the state of charge of the battery pack, and V is the average speed of the vehicle in a preset time period;
and determining the corresponding relation between the first moment when the heating device heats the battery pack and the heating temperature rise rate of the battery pack according to the target temperature.
According to the battery pack driving heating control method provided by the embodiment of the invention, the corresponding relation between the first time when the heating device heats the battery pack and the heating temperature rise rate of the battery pack is determined, and the battery pack is heated at the first time by the heating power corresponding to the first heating temperature rise rate, so that the temperature of the battery pack reaches the preset temperature when the battery pack reaches the target place.
Optionally, the mileage retention rate of the battery pack at different temperatures of the vehicle is determined by the following formula:
Figure BDA0003529676640000052
wherein T is the current temperature of the battery pack.
According to the method for controlling the driving heating of the battery pack, disclosed by the embodiment of the invention, the mileage conservation rate of the battery pack at different temperatures of the vehicle is determined by an EVTEST test method.
Optionally, the method further comprises:
controlling the temperature of a water inlet of the battery pack heating device to rise under the condition that the current temperature of the battery pack is smaller than a first threshold value;
and controlling the temperature of the water inlet of the battery pack heating device to stop rising when the temperature of the battery pack is larger than a second threshold value.
In an embodiment of the present invention, when the temperature of the battery pack is greater than the second threshold, the battery pack does not need to be heated. And adjusting the heating condition in time according to the real-time temperature of the battery pack, so as to avoid the reduction of the driving range of the vehicle caused by the excessive electric quantity consumed by heating the battery pack.
Optionally, the controlling the temperature of the water inlet of the battery pack heating device to increase in case that the current temperature of the battery pack is less than a first threshold value comprises:
Acquiring consumed electric quantity and income electric quantity generated by the battery pack when the battery pack heating device heats the battery pack;
and controlling the temperature of the water inlet of the battery pack heating device to stop rising under the condition that the ratio of the consumed electric quantity to the benefited electric quantity is larger than 1.
According to the battery pack driving heating control method, the battery pack heating device is used for heating the battery pack to judge the consumed electric quantity and the income electric quantity generated by the battery pack, the relation between the consumed electric quantity and the income electric quantity generated by the battery pack heating device for heating the battery pack is determined, and under the condition that the consumed electric quantity is larger than the income electric quantity, the temperature of the water inlet of the battery pack heating device is controlled to stop rising, so that the excessive electric energy is prevented from being consumed for heating the battery pack, and the driving range of a vehicle is improved.
Optionally, the obtaining the consumed electric quantity and the income electric quantity generated by the battery pack to the battery pack by heating the battery pack by the battery pack heating device includes:
acquiring the average power consumption of the battery pack when the temperature rises to a preset temperature;
determining the consumed energy for heating the battery pack according to the average electric quantity consumption and the current temperature of the battery pack;
Acquiring the corresponding relation between the electric quantity and the temperature of the battery pack;
and determining the income energy for heating the battery pack according to the corresponding relation between the electric quantity and the temperature.
In an embodiment of the present invention, the power consumption generated by heating the battery pack by the battery pack heating device is the product of the average power consumption of the battery pack at a preset temperature and the current temperature of the battery pack; the battery pack heating device heats the battery pack, and the income electric quantity generated by the battery pack is the product of the corresponding relation between the electric quantity and the temperature of the battery pack and the nominal electric quantity of the battery pack at the current temperature.
Optionally, the corresponding relationship between the electric quantity and the temperature of the battery pack is determined by the following formula:
Figure BDA0003529676640000071
wherein C (T) is the electric quantity of the battery pack at different temperatures; and T is the current temperature of the battery pack.
The embodiment of the present invention further provides a battery pack driving heating control device 200, including:
the first obtaining module 201 is configured to obtain an average vehicle speed of a vehicle within a preset time period;
the second obtaining module 202 is configured to obtain a current temperature of the battery pack, a first temperature rise rate of a preset value of the temperature of the battery pack, and a state of charge of the battery pack;
A third obtaining module 203, configured to obtain a target driving mileage of the vehicle;
a determining module 204, configured to determine a target temperature at a water inlet of the battery pack heating apparatus according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack, and the target mileage;
and the control module 205 is configured to control the temperature of the battery pack according to the target temperature.
According to the battery pack driving heating control device, the target temperature of the water inlet of the battery pack heating device is determined according to the average speed in the preset time period of the vehicle, the first temperature rise rate of the temperature rise preset value of the battery pack of the vehicle, the charge state of the battery pack and the target driving mileage of the vehicle; and determining whether the battery pack needs to be heated according to the target temperature, so as to control the temperature of the battery pack to timely adjust the heating of the battery pack according to the dynamic time of the vehicle. The problem of in the prior art can't in time adjust the heating to the battery through the temperature rise rate of battery and driving dynamic time, lead to unable time point of beginning to heat the battery, and can't confirm the power of heating the battery is solved.
The embodiment of the invention also provides a battery pack, which comprises the battery pack travelling crane heating control device.
The embodiment of the invention also provides an electric automobile which comprises the battery pack.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims (10)

1. A battery pack traveling crane heating control method is characterized by comprising the following steps:
acquiring the average speed of the vehicle in a preset time period;
acquiring the current temperature of the battery pack, a first temperature rise rate of the temperature rise preset value of the battery pack and the state of charge of the battery pack;
acquiring a target driving mileage of a vehicle;
determining a target temperature of a water inlet of the battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target driving mileage within the preset time period of the vehicle;
and controlling the temperature of the battery pack according to the target temperature.
2. The battery pack driving heating control method according to claim 1, wherein the determining the target temperature at the water inlet of the battery pack heating apparatus according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack, and the target mileage over the preset time period of the vehicle includes:
Determining the target temperature according to the following formula:
Figure FDA0003529676630000011
wherein, TinputA target temperature for the inlet of the battery pack heating apparatus; t is the current temperature of the battery pack, and VT is the first temperature rise rate; f (x) is the mileage retention rate of the battery pack at different temperatures for the vehicle; r0 is nominal mileage; SOC is the state of charge of the battery pack, and V is the average speed of the vehicle in a preset time period;
and determining the corresponding relation between the first moment when the heating device heats the battery pack and the heating temperature rise rate of the battery pack according to the target temperature.
3. The method for controlling heating of a battery pack during driving according to claim 2, wherein the mileage retention rate of the battery pack at different temperatures of the vehicle is determined by the following formula:
Figure FDA0003529676630000012
wherein T is the current temperature of the battery pack.
4. The battery pack running heating control method according to claim 3, further comprising:
controlling the temperature of a water inlet of the battery pack heating device to rise under the condition that the current temperature of the battery pack is smaller than a first threshold value;
and controlling the temperature of the water inlet of the battery pack heating device to stop rising when the temperature of the battery pack is larger than a second threshold value.
5. The method for controlling driving heating of a battery pack according to claim 4, wherein the controlling the temperature of the water inlet of the battery pack heating device to rise when the current temperature of the battery pack is lower than a first threshold value comprises:
acquiring consumed electric quantity and income electric quantity generated by the battery pack when the battery pack heating device heats the battery pack;
and controlling the temperature of the water inlet of the battery pack heating device to stop rising under the condition that the ratio of the consumed electric quantity to the benefited electric quantity is larger than 1.
6. The method as claimed in claim 4, wherein the obtaining of the consumed power and the profit power generated by the battery pack when the battery pack heating apparatus heats the battery pack comprises:
acquiring the average power consumption of the battery pack when the temperature rises to a preset temperature;
determining the consumed energy for heating the battery pack according to the average electric quantity consumption and the current temperature of the battery pack;
acquiring the corresponding relation between the electric quantity and the temperature of the battery pack;
and determining the income energy for heating the battery pack according to the corresponding relation between the electric quantity and the temperature.
7. The method for controlling driving heating of a battery pack according to claim 6, wherein the corresponding relationship between the electric quantity and the temperature of the battery pack is determined by the following formula:
Figure FDA0003529676630000021
wherein C (T) is the electric quantity of the battery pack at different temperatures; and T is the current temperature of the battery pack.
8. The utility model provides a battery package driving heating control device which characterized in that includes:
the first acquisition module is used for acquiring the average speed of the vehicle in a preset time period;
the second acquisition module is used for acquiring the current temperature of the battery pack, a first temperature rise rate of the preset temperature rise value of the battery pack and the charge state of the battery pack;
the third acquisition module is used for acquiring the target driving mileage of the vehicle;
the determining module is used for determining the target temperature of the water inlet of the battery pack heating device according to the average vehicle speed, the first temperature rise rate, the state of charge of the battery pack and the target driving mileage within the preset time period of the vehicle;
and the control module is used for controlling the temperature of the battery pack according to the target temperature.
9. A battery pack comprising the battery pack driving heating control device according to claim 8.
10. An electric vehicle characterized by comprising the battery pack according to claim 9.
CN202210201927.6A 2022-03-03 2022-03-03 Battery pack driving heating control method and device, battery pack and electric vehicle Pending CN114678631A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115139860A (en) * 2022-07-06 2022-10-04 东风柳州汽车有限公司 Battery pack heating method, device, equipment and storage medium
CN115295925A (en) * 2022-09-30 2022-11-04 小米汽车科技有限公司 Method and device for heating battery, battery assembly, storage medium and vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115139860A (en) * 2022-07-06 2022-10-04 东风柳州汽车有限公司 Battery pack heating method, device, equipment and storage medium
CN115139860B (en) * 2022-07-06 2024-06-07 东风柳州汽车有限公司 Battery pack heating method, device, equipment and storage medium
CN115295925A (en) * 2022-09-30 2022-11-04 小米汽车科技有限公司 Method and device for heating battery, battery assembly, storage medium and vehicle

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