CN112542623B - Battery preheating method, system and device - Google Patents

Battery preheating method, system and device Download PDF

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Publication number
CN112542623B
CN112542623B CN202011403271.3A CN202011403271A CN112542623B CN 112542623 B CN112542623 B CN 112542623B CN 202011403271 A CN202011403271 A CN 202011403271A CN 112542623 B CN112542623 B CN 112542623B
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Prior art keywords
battery
preheating
time value
management system
temperature
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CN112542623A (en
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刘顺
曹强
鲜奇迹
李超
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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Chongqing Jinkang Sailisi New Energy Automobile Design Institute Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/633Control systems characterised by algorithms, flow charts, software details or the like
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The embodiment of the invention provides a preheating method, a preheating system and a preheating device for a battery. Receiving a driving time value sent by the terminal equipment through the remote information processor; the remote information processor judges whether the acquired first specific time value is smaller than the driving time value, and if the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to the battery management system according to the calculated second specific time value; the battery management system sends a battery preheating request to the thermal management controller according to the awakening information; and the thermal management controller preheats the battery according to the battery preheating request. In the embodiment of the invention, the remote information processor can control the battery management system to send the battery preheating request to the thermal management controller when judging that the first specific time value is smaller than the driving time value, so that the thermal management controller preheats the battery, the battery can be preheated only once on the premise of ensuring the dynamic property of the vehicle, and the economy of battery preheating is improved.

Description

Battery preheating method, system and device
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of batteries, in particular to a preheating method, a preheating system and a preheating device for batteries.
[ background of the invention ]
According to the requirements of world energy problems and environmental protection, more and more vehicles in the market adopt two power architectures of pure electricity or extended range, and one of the two architectures is that the two architectures are driven by pure electricity. Since the discharge capacity of the battery is closely related to the temperature, it is difficult for a purely electric vehicle to ensure sufficiently strong power in an extremely cold condition, which becomes a pain point for users in extremely cold regions. In the related art, after the battery is charged, the battery is kept warm continuously, and in the continuous warm keeping process, the vehicle intermittently consumes electric energy, so that unnecessary energy loss is caused, and the economy of the vehicle is reduced.
[ summary of the invention ]
Embodiments of the present invention provide a method, a system, and an apparatus for preheating a battery, so as to improve the economy of battery preheating.
In one aspect, an embodiment of the present invention provides a method for preheating a battery, including:
the remote information processor receives a driving time value sent by the terminal equipment;
the remote information processor judges whether the acquired first specific time value is smaller than the driving time value;
if the remote information processor judges that the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to a battery management system according to the calculated second specific time value;
the battery management system sends a battery preheating request to a thermal management controller according to the awakening information;
and the thermal management controller preheats the battery according to the battery preheating request.
Optionally, before the telematics receives the driving time value sent by the terminal device, the method includes:
the remote information processor receives a vehicle using completion instruction sent by the vehicle control unit;
the remote information processor responds to the vehicle using completion instruction and sends a first calculation instruction to the battery management system;
the battery management system calculates the hourly reduction temperature and the battery preheating temperature of the battery corresponding to the acquired current battery temperature and the current environment temperature to generate battery power time;
the battery management system calculates the battery power time and the acquired current time to generate a first specific time value;
the telematics processor receives the first specific time value transmitted by the battery management system.
Optionally, before sending the wake-up message to the battery management system according to the calculated second specific time value, the method includes:
the telematics processor sending a second computing instruction to a battery management system;
the battery management system calculates the set battery preheating efficiency, the acquired current environment temperature and the set battery preheating cut-off temperature to generate battery preheating time;
the remote information processor receives the battery preheating time sent by the battery management system;
the telematics processor calculates the driving time value and the battery warm-up time to generate a second specific time value.
Optionally, the telematics processor calculates the driving time value and the battery warm-up time to generate a second specific time value, including:
the telematics processor is based on the formula T ═ T1-. DELTA.T 1 calculating said driving time value and said battery warm-up time, generating a second specific time value, wherein T1Δ T1 is the battery warm-up time for the driving time value, and T' is the second specific time value.
Optionally, the method further comprises:
if the first specific time value is judged to be greater than or equal to the driving time value, the remote information processor sends dormancy information to the battery management system;
and the battery management system sleeps according to the sleep information.
In another aspect, an embodiment of the present invention provides a preheating system for a battery, including: a telematics processor, a battery management system, and a thermal management controller;
the remote information processor is used for receiving the driving time value sent by the terminal equipment; judging whether the acquired first specific time value is smaller than the driving time value or not; if the first specific time value is judged to be smaller than the driving time value, sending awakening information to a battery management system;
the battery management system is used for sending a battery preheating request to the thermal management controller according to the awakening information;
and the thermal management controller is used for preheating the battery according to the battery preheating request.
In another aspect, an embodiment of the present invention provides a method for warming up a battery, which is applied to a telematics processor, and includes:
receiving a driving time value sent by terminal equipment;
judging whether the acquired first specific time value is smaller than the received driving time value;
and if the first specific time value is smaller than the driving time value, sending awakening information to a battery management system so that the battery management system can send a battery preheating request to a thermal management controller according to the awakening information, and triggering the thermal management controller to preheat the battery according to the battery preheating request.
In another aspect, an embodiment of the present invention provides a preheating device for a battery, including:
the receiving module is used for receiving the driving time value sent by the terminal equipment;
the judging module is used for judging whether the acquired first specific time value is smaller than the received driving time value or not; if the first specific time value is smaller than the driving time value, a triggering and sending module sends awakening information to a battery management system, so that the battery management system sends a battery preheating request to a thermal management controller according to the awakening information, and the thermal management controller is triggered to preheat the battery according to the battery preheating request.
In another aspect, an embodiment of the present invention provides a storage medium, where the storage medium includes a stored program, and when the program runs, a device in which the storage medium is located is controlled to execute the above method for warming up a battery.
In another aspect, an embodiment of the present invention provides a telematics processor, including a memory and a processor, where the memory is used to store information including program instructions, and the processor is used to control execution of the program instructions, where the program instructions are loaded and executed by the processor to implement the steps of the above-mentioned battery warm-up method.
In the technical scheme of the battery preheating method provided by the embodiment of the invention, a driving time value sent by terminal equipment is received through a remote information processor; the remote information processor judges whether the acquired first specific time value is smaller than the driving time value, and if the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to the battery management system according to the calculated second specific time value; the battery management system sends a battery preheating request to the thermal management controller according to the awakening information; and the thermal management controller preheats the battery according to the battery preheating request. In the embodiment of the invention, the remote information processor can control the battery management system to send the battery preheating request to the thermal management controller when judging that the first specific time value is smaller than the driving time value, so that the thermal management controller preheats the battery, the battery can be preheated only once on the premise of ensuring the dynamic property of the vehicle, and the economy of battery preheating is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a preheating system for a battery according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for preheating a battery according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for preheating a battery according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a preheating device for a battery according to an embodiment of the present invention;
FIG. 5 is a diagram of a telematics processor according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., A and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The embodiment of the invention provides a preheating system of a battery. Fig. 1 is a schematic structural diagram of a preheating system for a battery according to an embodiment of the present invention, as shown in fig. 1, the preheating system includes: the System comprises a Telematics BOX (T-Box for short) 1, a Battery Management System (BMS) 2, a thermal Management controller (HMC for short) 3 and a terminal device 4, wherein the Telematics BOX 1 is connected with the Battery Management System 2, the Battery Management System 2 is connected with the thermal Management controller 3, and the Telematics BOX 1 is connected with the terminal device 4.
The remote information processor 1 is used for receiving the driving time value sent by the terminal equipment 4; judging whether the acquired first specific time value is smaller than a driving time value or not; and if the first specific time value is judged to be smaller than the driving time value, sending awakening information to the battery management system.
The battery management system 2 is configured to send a battery warm-up request to the thermal management controller 3 according to the wake-up information.
The thermal management controller 3 is used for preheating the battery according to the battery preheating request.
In the embodiment of the present invention, the terminal device 4 includes a mobile phone, a tablet computer, a vehicle-mounted MP5, or a wearable device.
In the embodiment of the present invention, the system further includes: a Vehicle Control Unit (VCU) 5, and the telematics processor 1 is connected to the Vehicle Control Unit 5.
The remote information processor 1 is also used for receiving a vehicle using completion instruction sent by the vehicle control unit 5; and responding to the vehicle using completion instruction, and sending a first calculation instruction to the battery management system.
The battery management system 2 is also used for calculating the obtained current battery temperature, the hourly reduction temperature of the battery corresponding to the current environment temperature and the battery preheating temperature to generate battery power time; and calculating the power time of the battery and the acquired current time to generate a first specific time value.
The telematics unit 1 is also configured to receive a first specific time value transmitted by the battery management system.
In the embodiment of the present invention, the telematics processor 1 is further configured to send a second calculation instruction to the battery management system.
The battery management system 2 is further configured to calculate the set battery preheating efficiency, the obtained current environment temperature, and the set battery preheating cutoff temperature, and generate battery preheating time.
The remote information processor 1 is also used for receiving the battery preheating time sent by the battery management system; and calculating the driving time value and the battery preheating time to generate a second specific time value.
In an embodiment of the invention, the telematics processor 1 is specifically configured to determine the value T according to the formula T ═ T1-. DELTA.T 1 calculating a driving time value and a battery warm-up time, wherein T is the value of the second specific time1As the driving time value, Delta T1 is the battery preheating time T'Is the second specific time value.
In the embodiment of the present invention, the telematics processor 1 is further configured to send a sleep message to the battery management system if it is determined that the first specific time value is greater than or equal to the driving time value.
The battery management system 2 is also configured to sleep according to the sleep information.
In the technical scheme provided by the embodiment of the invention, the driving time value sent by the terminal equipment is received through the remote information processor; the remote information processor judges whether the acquired first specific time value is smaller than the driving time value, and if the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to the battery management system according to the calculated second specific time value; the battery management system sends a battery preheating request to the thermal management controller according to the awakening information; and the thermal management controller preheats the battery according to the battery preheating request. In the embodiment of the invention, the remote information processor can control the battery management system to send the battery preheating request to the thermal management controller when judging that the first specific time value is smaller than the driving time value, so that the thermal management controller preheats the battery, the battery can be preheated only once on the premise of ensuring the dynamic property of the vehicle, and the economy of battery preheating is improved.
The embodiment of the invention provides a preheating method of a battery. Fig. 2 is a flowchart of a method for preheating a battery according to an embodiment of the present invention, as shown in fig. 2, the method includes:
step 102, the telematics receives the driving time value sent by the terminal device.
In the embodiment of the invention, the driver can input the set driving time value through the terminal equipment, the driving time value can be set according to the actual situation, and the driving time value comprises a specific time value required by the driver to drive the vehicle next time, for example, the driving time value comprises 2 hours.
Step 104, the telematics processor determines whether the acquired first specific time value is less than the driving time value.
In the embodiment of the invention, if the telematics processor judges that the acquired first specific time value is less than the driving time value, the fact that the temperature of the battery is reduced to a temperature which cannot be met by the dynamic property of the vehicle before the driver drives the vehicle is indicated; and if the obtained first specific time value is judged to be greater than or equal to the driving time value by the remote information processor, the fact that the temperature of the battery is not reduced to the temperature which cannot meet the dynamic property of the vehicle before the driver drives the vehicle is indicated.
And 106, if the first specific time value is judged to be smaller than the driving time value, the remote information processor sends awakening information to the battery management system according to the calculated second specific time value.
And step 108, the battery management system sends a battery preheating request to the thermal management controller according to the awakening information.
In the embodiment of the invention, the awakening information is used for indicating the thermal management controller to awaken, and after the thermal management controller is awakened, the battery management system sends a battery preheating request to the thermal management controller.
Alternatively, the battery management system can send a battery warm-up request to the thermal management controller according to the self temperature state of the battery, so that the thermal management controller can warm up the battery according to the self temperature state of the battery.
And step 110, the thermal management controller preheats the battery according to the battery preheating request.
As an alternative, the thermal management controller preheats the battery according to a first set temperature, wherein the first set temperature can be set according to actual conditions. And when the temperature of the battery reaches a second set temperature, the thermal management controller stops preheating the battery, wherein the second set temperature can be set according to actual conditions.
In the technical scheme provided by the embodiment of the invention, the driving time value sent by the terminal equipment is received through the remote information processor; the remote information processor judges whether the acquired first specific time value is smaller than the driving time value, and if the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to the battery management system according to the calculated second specific time value; the battery management system sends a battery preheating request to the thermal management controller according to the awakening information; and the thermal management controller preheats the battery according to the battery preheating request. In the embodiment of the invention, the remote information processor can control the battery management system to send the battery preheating request to the thermal management controller when judging that the first specific time value is smaller than the driving time value, so that the thermal management controller preheats the battery, the battery can be preheated only once on the premise of ensuring the dynamic property of the vehicle, and the economy of battery preheating is improved.
The embodiment of the invention provides another preheating method of a battery. Fig. 3 is a flowchart of another method for preheating a battery according to an embodiment of the present invention, as shown in fig. 3, the method includes:
and 202, receiving a vehicle using completion instruction sent by the vehicle control unit by the remote information processor.
In this step, as an alternative, the driver clicks a flameout button on the vehicle to send a vehicle-using completion instruction to the vehicle control unit.
In step 204, the telematics processor sends a first calculation instruction to the battery management system in response to the in-use completion instruction.
And step 206, calculating the hourly reduction temperature and the preheating temperature of the battery corresponding to the acquired current battery temperature and the current environment temperature by the battery management system to generate battery power time.
Specifically, the battery management system is based on the formula Δ T ═ (T)At present-tCritical point of)/t3Calculating the hourly reduction temperature and the preheating temperature of the battery corresponding to the acquired current battery temperature and the current environment temperature to generate battery power time, wherein tAt presentAs the current battery temperature, tCritical point ofIs the battery preheating temperature, t3The temperature of the battery corresponding to the current environment temperature is reduced every hour, and the delta T is the power time of the battery.
Step 208, the battery management system calculates the battery power time and the acquired current time to generate a first specific time value.
Specifically, the battery management system is in accordance with formula T=T2Calculating the preheating time of the battery and the acquired current time to generate a first specific time value, wherein T is the first specific time value, and T is the value2As the current time, Δ T is the battery power time.
At step 210, the telematics unit receives a first specific time value sent by the battery management system.
At step 212, the telematics unit receives the driving time value sent by the terminal device.
In the embodiment of the present invention, please refer to step 102 for the detailed description of step 212.
Step 214, the telematics processor determines whether the acquired first specific time value is less than the driving time value, if so, go to step 216; if not, go to step 222.
In the embodiment of the present invention, please refer to step 104 for the detailed description of step 214.
Step 216, the telematics processor sends a wake-up message to the battery management system according to the calculated second specific time value.
In this embodiment of the present invention, before sending the wake-up message to the battery management system according to the calculated second specific time value in step 216, the method further includes:
step S1, the telematics processor sends a second calculation instruction to the battery management system.
Step S2, the battery management system calculates the set battery preheating efficiency, the acquired current ambient temperature, and the set battery preheating cutoff temperature, and generates the battery preheating time.
Specifically, the battery management system follows the formula Δ T1 ═ T (T)Cut-off-TEnvironment(s)) A, calculating the set battery preheating efficiency, the obtained current environment temperature and the set battery preheating cut-off temperature to generate battery preheating time, wherein the delta T1 is the battery preheating time, TCut-offFor preheating the battery to a cut-off temperature, TEnvironment(s)As the current ambient temperature, a is the battery preheating efficiency.
Step S3, the telematics unit receives the battery warm-up time sent by the battery management system.
Step S4, the telematics unit calculates a driving time value and a battery warm-up time to generate a second specific time value.
In particular, the telematics processor is based on the formula T ═ T1-. DELTA.T 1 calculates a driving time value and a battery warm-up time to generate a second specific time value, where T1 is the driving time value, DELTA.T 1 is the battery warm-up time, and T' is the second specific time value.
Step 218, the battery management system sends a battery warm-up request to the thermal management controller based on the wake-up information.
In the embodiment of the present invention, please refer to step 108 for the detailed description of step 218.
And step 220, the thermal management controller preheats the battery according to the battery preheating request, and the process is ended.
In the embodiment of the present invention, please refer to step 110 for a detailed description of step 220.
At step 222, the telematics sends a sleep message to the battery management system.
Step 224, the battery management system sleeps according to the sleep information.
In the technical scheme provided by the embodiment of the invention, the driving time value sent by the terminal equipment is received through the remote information processor; the remote information processor judges whether the acquired first specific time value is smaller than the driving time value, and if the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to the battery management system according to the calculated second specific time value; the battery management system sends a battery preheating request to the thermal management controller according to the awakening information; and the thermal management controller preheats the battery according to the battery preheating request. In the embodiment of the invention, the remote information processor can control the battery management system to send the battery preheating request to the thermal management controller when judging that the first specific time value is smaller than the driving time value, so that the thermal management controller preheats the battery, the battery can be preheated only once on the premise of ensuring the dynamic property of the vehicle, and the economy of battery preheating is improved.
According to the technical scheme provided by the embodiment of the invention, the vehicle controller can determine whether the vehicle needs high voltage reduction, power reduction operation and the like according to the fault grade and the fault zone bit information of the parts. The vehicle controller can determine which mode the vehicle is in according to the entering and exiting conditions of each mode, on the assumption that the vehicle has the operation modes such as a conventional mode, external alternating current charging, external direct current charging, external discharging, remote control and the like.
According to the technical scheme provided by the embodiment of the invention, the problem of high energy consumption can be solved while the dynamic property of a driver in an extremely cold area driving after the vehicle is charged for a long time, and the vehicle using experience of the driver is improved.
According to the technical scheme provided by the embodiment of the invention, the vehicle does not need to be preheated for many times while the dynamic property of a user during driving is ensured, and unnecessary power consumption can be saved for a driver. The driver can directly set the driving time value, and the length of time that the charging is full of heat preservation does not need to be calculated, so that the simplicity of user operation is ensured, and the driving experience of the driver is improved.
The embodiment of the invention provides a preheating device for a battery. Fig. 4 is a schematic structural diagram of a preheating device for a battery according to an embodiment of the present invention, and as shown in fig. 4, the preheating device includes: a receiving module 11, a judging module 12 and a sending module 13.
The receiving module 11 is configured to receive a driving time value sent by a terminal device.
The judging module 12 is configured to judge whether the acquired first specific time value is smaller than the received driving time value; if the first specific time value is smaller than the driving time value, the triggering and sending module 13 sends the awakening information to the battery management system, so that the battery management system sends a battery preheating request to the thermal management controller according to the awakening information, and the thermal management controller is triggered to preheat the battery according to the battery preheating request.
In the embodiment of the present invention, the receiving module 11 is further configured to receive a vehicle use completion instruction sent by the vehicle control unit.
The sending module 13 is further configured to send a first calculation instruction to the battery management system in response to the vehicle utilization completion instruction, so that the battery management system calculates the obtained current battery temperature, the hourly reduction temperature of the battery corresponding to the current environment temperature, and the battery preheating temperature to generate a battery power time, and calculates the battery power time and the obtained current time to generate a first specific time value.
The receiving module 11 is further configured to receive the first specific time value sent by the battery management system.
In the embodiment of the present invention, the apparatus further includes: a calculation module 14.
The sending module 13 is further configured to send a second calculation instruction to the battery management system, so that the battery management system calculates the set battery preheating efficiency, the obtained current environment temperature, and the set battery preheating cutoff temperature, and generates battery preheating time.
The receiving module 11 is further configured to receive a battery preheating time sent by the battery management system.
The calculation module 14 is configured to calculate the driving time value and the battery warm-up time to generate a second specific time value.
In this embodiment of the present invention, the calculating module 14 is specifically configured to obtain the formula T ═ T1-. DELTA.T 1 calculating a driving time value and a battery warm-up time, wherein T is the value of the second specific time1For the driving time value, Δ T1 is the battery warm-up time, and T' is the second specific time value.
In this embodiment of the present invention, the sending module 13 is further configured to send the hibernation information to the battery management system if the determining module 12 determines that the first specific time value is greater than or equal to the driving time value, so that the battery management system sleeps according to the hibernation information.
The preheating device for the battery provided by the embodiment can be used for implementing the preheating method for the battery in fig. 2 and fig. 3, and specific description can be referred to the embodiment of the preheating method for the battery, and the detailed description is not repeated here.
In the technical scheme provided by the embodiment of the invention, the driving time value sent by the terminal equipment is received through the remote information processor; the remote information processor judges whether the acquired first specific time value is smaller than the driving time value, and if the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to the battery management system according to the calculated second specific time value; the battery management system sends a battery preheating request to the thermal management controller according to the awakening information; and the thermal management controller preheats the battery according to the battery preheating request. In the embodiment of the invention, the remote information processor can control the battery management system to send the battery preheating request to the thermal management controller when judging that the first specific time value is smaller than the driving time value, so that the thermal management controller preheats the battery, the battery can be preheated only once on the premise of ensuring the dynamic property of the vehicle, and the economy of battery preheating is improved.
Embodiments of the present invention provide a storage medium, where the storage medium includes a stored program, where, when the program runs, a device in which the storage medium is located is controlled to execute each step of the above embodiment of the method for preheating a battery, and for specific description, reference may be made to the above embodiment of the method for preheating a battery.
Embodiments of the present invention provide a telematics processor, including a memory and a processor, where the memory is used to store information including program instructions, and the processor is used to control execution of the program instructions, and the program instructions are loaded and executed by the processor to implement the steps of the above embodiments of the battery preheating method.
FIG. 5 is a diagram of a telematics processor according to an embodiment of the present invention. As shown in fig. 5, the telematics processor 20 of this embodiment includes: the processor 21, the memory 22, and the computer program 23 stored in the memory 22 and capable of running on the processor 21, wherein the computer program 23 implements the preheating method applied to the battery in the embodiment when being executed by the processor 21, and therefore, in order to avoid repetition, details are not repeated herein. Alternatively, the computer program is executed by the processor 21 to implement the functions of each model/unit in the preheating device applied to the battery in the embodiment, which are not described herein again to avoid redundancy.
Telematics processor 20 includes, but is not limited to, a processor 21, a memory 22. Those skilled in the art will appreciate that fig. 5 is merely an example of a telematics processor 20 and does not constitute a limitation of telematics processor 20 and may include more or fewer components than shown, or some components may be combined, or different components, e.g., the telematics processor may also include input output devices, network access devices, buses, etc.
The Processor 21 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 22 may be an internal storage unit of the telematics 20, such as a hard disk or memory of the telematics 20. The memory 22 may also be an external storage device of the telematics processor 20, such as a plug-in hard disk provided on the telematics processor 20, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like. Further, the memory 22 may also include both internal and external storage units of the telematics processor 20. The memory 22 is used to store computer programs and other programs and data needed by the telematics processor. The memory 22 may also be used to temporarily store data that has been output or is to be output.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions in actual implementation, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a Processor (Processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. A method of preheating a battery, comprising:
the remote information processor receives a driving time value sent by the terminal equipment;
the remote information processor judges whether the acquired first specific time value is smaller than the driving time value;
if the first specific time value is smaller than the driving time value, the remote information processor sends awakening information to a battery management system according to the calculated second specific time value;
the battery management system sends a battery preheating request to a thermal management controller according to the awakening information;
the thermal management controller preheats the battery according to the battery preheating request;
before the driving time value sent by the terminal equipment is received by the remote information processor, the method comprises the following steps:
the remote information processor receives a vehicle using completion instruction sent by the vehicle control unit;
the remote information processor responds to the vehicle using completion instruction and sends a first calculation instruction to the battery management system;
the battery management system is represented by the formula (T ═ T)At present-tCritical point of)/t3Calculating the hourly reduction temperature and the preheating temperature of the battery corresponding to the acquired current battery temperature and the current environment temperature to generate battery power time, wherein tAt presentAs the current battery temperature, tCritical point ofIs the battery preheating temperature, t3Reducing the temperature of the battery corresponding to the current environment temperature per hour, wherein delta T is the power time of the battery;
the battery management system adds the battery power time and the acquired current time to generate a first specific time value;
the telematics processor receiving the first specific time value sent by the battery management system;
before the telematics processor sends the wake-up message to the battery management system according to the calculated second specific time value, the method includes:
the telematics processor sending a second computing instruction to a battery management system;
the battery management system is expressed by a formula delta T1 ═ TCut-off-TEnvironment(s)) A, calculating the set battery preheating efficiency, the obtained current environment temperature and the set battery preheating cut-off temperature to generate battery preheating time, wherein the delta T1 is the battery preheating time, TCut-offFor preheating the battery to a cut-off temperature, TEnvironment(s)The current ambient temperature is used, and a is the battery preheating efficiency;
the remote information processor receives the battery preheating time sent by the battery management system;
the telematics processor subtracts the driving time value and the battery warm-up time to generate a second specific time value.
2. The method of claim 1, further comprising:
if the remote information processor judges that the first specific time value is greater than or equal to the driving time value, the remote information processor sends dormancy information to the battery management system;
and the battery management system sleeps according to the sleep information.
3. A system for preheating a battery, comprising: a telematics processor, a battery management system, and a thermal management controller;
the remote information processor is used for receiving the driving time value sent by the terminal equipment; judging whether the acquired first specific time value is smaller than the driving time value or not; if the first specific time value is judged to be smaller than the driving time value, sending awakening information to a battery management system;
the battery management system is used for sending a battery preheating request to the thermal management controller according to the awakening information;
the thermal management controller is used for preheating the battery according to the battery preheating request;
the remote information processor is also used for receiving a vehicle using completion instruction sent by the vehicle control unit; responding to the vehicle using completion instruction, and sending a first calculation instruction to the battery management system;
the battery management system is also used for obtaining the value of (T) through the formulaAt present-tCritical point of)/t3Calculating the hourly reduction temperature and the preheating temperature of the battery corresponding to the acquired current battery temperature and the current environment temperature to generate battery power time, wherein tAt presentAs the current battery temperature, tCritical point ofIs the battery preheating temperature, t3Reducing the temperature of the battery corresponding to the current environment temperature per hour, wherein delta T is the power time of the battery; adding the battery power time and the acquired current time to generate a first specific time value;
the remote information processor is further used for receiving the first specific time value sent by the battery management system; sending a second calculation instruction to the battery management system;
the battery management system is also used for obtaining (T) through a formula Delta T1Cut-off-TEnvironment(s)) A, calculating the set battery preheating efficiency, the obtained current environment temperature and the set battery preheating cut-off temperature to generate battery preheating time, wherein the delta T1 is the battery preheating time, TCut-offFor preheating the battery to a cut-off temperature, TEnvironment(s)The current ambient temperature is used, and a is the battery preheating efficiency;
the remote information processor is also used for receiving the battery preheating time sent by the battery management system; and subtracting the driving time value and the battery preheating time to generate a second specific time value.
4. A preheating device for a battery, comprising:
the receiving module is used for receiving the driving time value sent by the terminal equipment;
the judging module is used for judging whether the acquired first specific time value is smaller than the received driving time value or not; if the first specific time value is smaller than the driving time value, triggering a sending module to send awakening information to a battery management system according to the calculated second specific time value, so that the battery management system sends a battery preheating request to a thermal management controller according to the awakening information, and triggering the thermal management controller to preheat the battery according to the battery preheating request;
the receiving module is also used for receiving a vehicle using completion instruction sent by the vehicle controller;
the sending module is further used for sending a first calculation instruction to the battery management system in response to the vehicle using completion instruction, so that the battery management system can obtain (T) through a formula delta TAt present-tCritical point of)/t3Calculating the hourly reduction temperature and the preheating temperature of the battery corresponding to the acquired current battery temperature and the current environment temperature to generate battery power time, wherein tAt presentAs the current battery temperature, tCritical point ofIs the battery preheating temperature, t3Reducing the temperature of the battery corresponding to the current environment temperature per hour, wherein delta T is the power time of the battery; adding the battery power time and the acquired current time to generate a first specific time value;
the receiving module is further used for receiving the first specific time value sent by the battery management system;
a sending module, configured to send a second calculation instruction to a battery management system, so that the battery management system can obtain (T) by using a formula Δ T1Cut-off-TEnvironment(s)) A, calculating the set battery preheating efficiency, the obtained current environment temperature and the set battery preheating cut-off temperature to generate battery preheating time, wherein the delta T1 is the battery preheating time, TCut-offFor preheating the battery to a cut-off temperature, TEnvironment(s)The current ambient temperature is used, and a is the battery preheating efficiency;
the receiving module is further used for receiving the battery preheating time sent by the battery management system;
and the calculation module is used for subtracting the driving time value and the battery preheating time to generate a second specific time value.
5. A storage medium characterized by comprising a stored program, wherein a device in which the storage medium is located is controlled to execute the method of warming up a battery according to claim 1 or 2 when the program is executed.
6. A telematics processor comprising a memory for storing information including program instructions and a processor for controlling the execution of the program instructions, characterized in that the program instructions are loaded and executed by the processor to implement the steps of the method of warming up a battery of claim 1 or 2.
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Publication number Priority date Publication date Assignee Title
CN114552069A (en) * 2022-02-17 2022-05-27 重庆金康赛力斯新能源汽车设计院有限公司 Battery heating method and device for low-temperature traveling crane, storage medium and battery system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101931110A (en) * 2009-06-18 2010-12-29 比亚迪股份有限公司 Method for controlling heating of battery and device thereof
CN108501675A (en) * 2018-05-30 2018-09-07 安徽江淮汽车集团股份有限公司 A kind of method and system of the long-range warm-up control of electric vehicle
CN110015201A (en) * 2018-01-31 2019-07-16 蜂巢能源科技有限公司 Power battery thermal-insulation control method, system and the vehicle of electric car
CN110785889A (en) * 2017-06-13 2020-02-11 株式会社Lg化学 Battery pack temperature control method and device
CN110979103A (en) * 2020-02-26 2020-04-10 潍柴动力股份有限公司 Electric vehicle, battery heating method and device for vehicle, and storage medium
CN111193080A (en) * 2018-11-14 2020-05-22 宝沃汽车(中国)有限公司 Battery manager, vehicle and electric vehicle battery pack heating control method and device
CN111619405A (en) * 2019-02-28 2020-09-04 北京新能源汽车股份有限公司 Control method and device for automatic heating of battery pack and vehicle
CN111769240A (en) * 2020-05-20 2020-10-13 华人运通(江苏)技术有限公司 Electric automobile remote thermal management control method, device and system and storage medium
JP2020177840A (en) * 2019-04-19 2020-10-29 トヨタ紡織株式会社 Secondary battery heating method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101931110A (en) * 2009-06-18 2010-12-29 比亚迪股份有限公司 Method for controlling heating of battery and device thereof
CN110785889A (en) * 2017-06-13 2020-02-11 株式会社Lg化学 Battery pack temperature control method and device
CN110015201A (en) * 2018-01-31 2019-07-16 蜂巢能源科技有限公司 Power battery thermal-insulation control method, system and the vehicle of electric car
CN108501675A (en) * 2018-05-30 2018-09-07 安徽江淮汽车集团股份有限公司 A kind of method and system of the long-range warm-up control of electric vehicle
CN111193080A (en) * 2018-11-14 2020-05-22 宝沃汽车(中国)有限公司 Battery manager, vehicle and electric vehicle battery pack heating control method and device
CN111619405A (en) * 2019-02-28 2020-09-04 北京新能源汽车股份有限公司 Control method and device for automatic heating of battery pack and vehicle
JP2020177840A (en) * 2019-04-19 2020-10-29 トヨタ紡織株式会社 Secondary battery heating method
CN110979103A (en) * 2020-02-26 2020-04-10 潍柴动力股份有限公司 Electric vehicle, battery heating method and device for vehicle, and storage medium
CN111769240A (en) * 2020-05-20 2020-10-13 华人运通(江苏)技术有限公司 Electric automobile remote thermal management control method, device and system and storage medium

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