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CN113934970A - Method and device for processing remaining charging time - Google Patents

Method and device for processing remaining charging time Download PDF

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Publication number
CN113934970A
CN113934970A CN202111166736.2A CN202111166736A CN113934970A CN 113934970 A CN113934970 A CN 113934970A CN 202111166736 A CN202111166736 A CN 202111166736A CN 113934970 A CN113934970 A CN 113934970A
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charging
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battery
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current
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CN113934970B (en
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贤富芳
杨红新
张建彪
仇惠惠
刘雪涛
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Svolt Energy Technology Co Ltd
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Svolt Energy Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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Abstract

The invention discloses a method and a device for processing charging remaining time. Wherein, the method comprises the following steps: determining the charging time and the remaining thermal management time of the battery in the charging process; determining a correction coefficient obtained by calibrating a vehicle in a target environment; and determining the charging remaining time of the battery according to the charging time, the remaining thermal management time and the correction coefficient. The invention solves the technical problem of inaccurate estimation of the charging remaining time of the battery management system in the related art.

Description

Method and device for processing charging remaining time
Technical Field
The invention relates to the technical field of battery charging, in particular to a method and a device for processing charging remaining time.
Background
The battery system is used as a core energy component of the new energy electric automobile, and the estimation function of available energy of the battery system is always an important reference for the functions of whole automobile running and remaining pure electric mileage. At present, the lithium iron phosphate battery cell is widely applied to new energy electric vehicles due to high safety and continuously improved specific energy. However, due to the relatively smooth OCV curve, the OCV correction function cannot play its intended role in SOC estimation when using the Ah integration and OCV correction combined strategy, which leads to inaccurate estimation of the remaining charge time of the battery management system.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a method and a device for processing charging remaining time, which are used for at least solving the technical problem of inaccurate estimation of the charging remaining time of a battery management system in the related art.
According to an aspect of the embodiments of the present invention, there is provided a method for processing a remaining charging time, including: determining the charging time and the remaining thermal management time of the battery in the charging process; determining a correction coefficient obtained by calibrating a vehicle in a target environment; and determining the charging remaining time of the battery according to the charging time, the remaining thermal management time and the correction coefficient.
Optionally, determining a charging time of the battery during the charging process includes: acquiring charging current of the battery at each stage in the charging process and corresponding charging capacity under the charging current; and determining the charging time of the battery in the charging process according to the charging current of each stage and the corresponding charging capacity under the charging current.
Optionally, obtaining the charging current of the battery at each stage in the charging process includes: acquiring current parameters of the battery at each stage in the charging process; and determining the charging current of the battery at each stage in the charging process according to the current parameter.
Optionally, the current parameter comprises at least one of: the allowable charging current of the battery corresponding to different charge states or voltage intervals; the current corresponding to the CC terminal and the current corresponding to the CP terminal of the charging gun; the maximum allowable charging current of the vehicle-mounted charger; a maximum output current of the charging device; consumption current of a vehicle load; the charging current of the charging setting is reserved.
Optionally, determining the remaining thermal management time of the battery during charging comprises: acquiring the current ambient temperature and the current battery temperature of the battery in the charging process, the charge state of starting charging and the charge state of finishing charging; and determining the residual thermal management time of the battery in the charging process according to the current environment temperature, the current battery temperature, the charging starting state of charge and the charging ending state of charge.
Optionally, determining the remaining thermal management time of the battery in the charging process according to the current ambient temperature, the current battery temperature, the state of charge for starting charging, and the state of charge for ending charging includes: determining a first remaining thermal management time of the battery in a charging process according to the current battery temperature and a preset thermal management end condition, wherein the preset thermal management end condition is that the charging starting state of charge is greater than or equal to the charging ending state of charge; determining a second remaining thermal management time of the battery in the charging process according to the number of times of thermal management of the battery in the charging process and a preset remaining thermal management time, wherein the number of times is obtained according to the charging time of the battery in the charging process and the current ambient temperature; and determining the remaining thermal management time of the battery in the charging process according to the first remaining thermal management time and the second remaining thermal management time.
Optionally, the determining the remaining charging time of the battery according to the charging time, the remaining thermal management time, and the correction coefficient at least includes: determining a first charging remaining time of the battery according to the charging time and the first correction coefficient; determining a second charging remaining time of the battery according to the remaining thermal management time and the second correction coefficient; and determining the charging remaining time of the battery according to the first charging remaining time and the second charging remaining time.
According to another aspect of the embodiments of the present invention, there is also provided a processing apparatus for processing a remaining charging time, including: the system comprises a first determination module, a second determination module and a control module, wherein the first determination module is used for determining the charging time and the residual thermal management time of a battery in the charging process; the second determination module is used for determining a correction coefficient obtained by calibrating the vehicle in the target environment; and the third determining module is used for determining the charging residual time of the battery according to the charging time, the residual heat management time and the correction coefficient.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, where the computer-readable storage medium includes a stored program, and when the program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the processing method for remaining charging time described in any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including a memory and a processor, where the memory stores therein a computer program, and the processor is configured to execute the processing method of remaining charging time according to any one of the above items by the computer program.
In the embodiment of the invention, the charging time and the residual thermal management time of the battery in the charging process are determined; determining a correction coefficient obtained by calibrating a vehicle in a target environment; the charging remaining time of the battery is determined according to the charging time, the remaining thermal management time and the correction coefficient, the charging remaining time of the battery is calculated by combining the charging time and the remaining thermal management time of the battery in the charging process and the correction coefficient obtained by calibrating the vehicle in a target environment, and the purpose of efficiently, flexibly and accurately obtaining the charging remaining time of the battery is achieved, so that the technical effect of fully considering the influences of battery thermal management, charging equipment, intermediate conversion equipment, load consumption and the like is achieved, the accuracy of the charging remaining time is greatly improved, and the technical problem that the estimation of the charging remaining time of a battery management system in the related technology is inaccurate is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a method of processing a remaining charge time according to an embodiment of the present invention;
FIG. 2 is a block diagram of a charge remaining time system for insertion into a charging gun in accordance with an alternative embodiment of the present invention;
FIG. 3 is a block diagram of a charging remaining time system without a charging gun inserted in accordance with an alternative embodiment of the present invention;
FIG. 4 is a flow chart of a method of processing charge remaining time according to an alternative embodiment of the invention;
fig. 5 is a schematic diagram of a processing device for charging remaining time according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided an embodiment of a method for processing remaining charging time, it should be noted that the steps illustrated in the flowchart of the drawings may be executed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be executed in an order different from that herein.
Fig. 1 is a flowchart of a method for processing remaining charging time according to an embodiment of the present invention, and as shown in fig. 1, the method for processing remaining charging time includes the steps of:
step S102, determining the charging time and the residual heat management time of the battery in the charging process;
it should be noted that in the thermal management, in the process of adjusting and controlling the temperature and the temperature difference by using a heating or cooling means, the thermal management time is used for representing the time required by the thermal management of the battery, and the rest of the thermal management time is used for representing the time still required by the thermal management of the battery.
In an alternative embodiment, determining a charging time of the battery during the charging process comprises: acquiring charging current of the battery at each stage in the charging process and corresponding charging capacity under the charging current; and determining the charging time of the battery in the charging process according to the charging current of each stage and the corresponding charging capacity under the charging current.
In a specific implementation process, the following implementation steps can be adopted to obtain the charging current of the battery at each stage in the charging process: acquiring current parameters of the battery at each stage in the charging process; and determining the charging current of the battery at each stage in the charging process according to the current parameters.
It should be noted that the current parameters include, but are not limited to, allowable charging currents of the battery corresponding to different states of charge or voltage intervals; the current corresponding to the CC terminal and the current corresponding to the CP terminal of the charging gun; the maximum allowable charging current of the vehicle-mounted charger; a maximum output current of the charging device; consumption current of a vehicle load; the charging current of the charging setting is reserved.
In an alternative embodiment, determining the remaining thermal management time of the battery during charging comprises: acquiring the current ambient temperature and the current battery temperature of a battery in the charging process, the charge state of starting charging and the charge state of finishing charging; and determining the remaining thermal management time of the battery in the charging process according to the current environment temperature, the current battery temperature, the charging starting state of charge and the charging ending state of charge.
In a specific implementation process, the following implementation steps can be adopted for determining the remaining thermal management time of the battery in the charging process according to the current environment temperature, the current battery temperature, the charge state of starting charging and the charge state of finishing charging: determining a first remaining thermal management time of the battery in the charging process according to the current battery temperature and a preset thermal management end condition, wherein the preset thermal management end condition is that the charging starting state of charge is greater than or equal to the charging ending state of charge; determining second remaining thermal management time of the battery in the charging process according to the number of times of thermal management of the battery in the charging process and preset remaining thermal management time, wherein the number of times is obtained according to the charging time of the battery in the charging process and the current ambient temperature; and determining the remaining thermal management time of the battery in the charging process according to the first remaining thermal management time and the second remaining thermal management time. The embodiment can accurately calculate the remaining thermal management time of the battery in the charging process.
Step S104, determining a correction coefficient obtained by calibrating the vehicle in a target environment;
it should be noted that the above correction coefficients can also be flexibly set or adjusted according to the requirements of the application scenario.
And step S106, determining the charging remaining time of the battery according to the charging time, the remaining thermal management time and the correction coefficient.
In an alternative embodiment, the determining the remaining charging time of the battery according to the charging time, the remaining thermal management time and the correction coefficient includes: determining a first charging remaining time of the battery according to the charging time and the first correction coefficient; determining a second charging remaining time of the battery according to the remaining thermal management time and a second correction coefficient; and determining the charging remaining time of the battery according to the first charging remaining time and the second charging remaining time. The charging remaining time of the battery can be accurately calculated by the above embodiment.
Through the steps, the charging time and the residual thermal management time of the battery in the charging process can be determined; determining a correction coefficient obtained by calibrating a vehicle in a target environment; the charging remaining time of the battery is determined according to the charging time, the remaining thermal management time and the correction coefficient, the charging remaining time of the battery is calculated by combining the charging time and the remaining thermal management time of the battery in the charging process and the correction coefficient obtained by calibrating the vehicle in a target environment, and the purpose of efficiently, flexibly and accurately obtaining the charging remaining time of the battery is achieved, so that the technical effect of fully considering the influences of battery thermal management, charging equipment, intermediate conversion equipment, load consumption and the like is achieved, the accuracy of the charging remaining time is greatly improved, and the technical problem that the estimation of the charging remaining time of a battery management system in the related technology is inaccurate is solved.
An alternative embodiment of the invention is described in detail below.
Fig. 2 is a block diagram of a system for charging remaining time with a charging gun inserted therein according to an alternative embodiment of the present invention, as shown in fig. 2, the external charging device is mainly responsible for sending the maximum output capacity of the device to the battery management system BMS, and the fast charging post sends the upper and lower limits of the output voltage and current, and the maximum output power, to the BMS; the slow-charging piles or guns with different grades are connected with different CC resistors, and meanwhile, the CP duty ratio is sent out to confirm the maximum output capacity of the equipment; the OBC is mainly used for converting alternating current into direct current when the vehicle is charged slowly, and the OBC needs to transmit the maximum energy conversion power to the BMS according to the self temperature and the working condition and comprises the maximum allowable output current or power at least; the air conditioning system (AC/PTC) and the whole vehicle and thermal management control system (HCU or VCU) are mainly used for sending the time spent by the whole vehicle in charge and the time required by battery thermal management in the whole charging process to the BMS; the mobile phone APP/large screen IVI or MP 5/gateway GW/T-box is mainly used for sending information such as reserved charging and the like set by a customer to the BMS, and at least comprises charging end conditions, set charging current and the like.
Fig. 3 is a block diagram of a charging remaining time system without a charging gun inserted, according to an alternative embodiment of the present invention, as shown in fig. 3, the on-board charger OBC is mainly responsible for sending the maximum energy to the BMS, including at least the maximum allowed output current or power; the air conditioning system (AC/PTC) and the whole vehicle and thermal management control system (HCU or VCU) are mainly used for sending the time spent by the whole vehicle in charge and the time required by battery thermal management in the whole charging process to the BMS; the mobile phone APP/large screen IVI or MP 5/gateway GW/T-box is mainly used for being responsible for information such as reserved charging and the like set by a customer and sending the information to the BMS, at least comprises charging ending conditions, set charging current and the like, and meanwhile is responsible for collecting accessory charging facility information and sending equipment information to the BMS in a networking state.
Further, the charge remaining time algorithm is as follows:
T＝K1*Tcharging of electricity+K2*TThermal management；
TCharging 1＝(SOCEnd 1-SOCInitiation of)*QPreset of/ICharging 1；
TCharging n＝(SOCEnd n-SOCInitiation of)*QPreset of/ICharging n；
TCharging of electricity＝TCharging 1+TCharging 2+……+TCharging n；
Used during slow charging:
Icharging of electricity＝(Icp||Icc||Iobc||IDeviceGet small-ILoad(s))||Imap||IappTaking small;
use when filling soon:
I＝(Ipile max||Imap||Iapp||IDevice) Taking small;
Tthermal management＝TThermal management 1+TThermal management 2；
TThermal management 2＝n*TThermal management presets。
Fig. 4 is a flowchart of a method for processing remaining charging time according to an alternative embodiment of the present invention, as shown in fig. 4, the specific implementation process is as follows:
step 401: after the BMS is awakened and the initialization is completed, the temperature, the voltage and the current real SOC value of the battery are detected in real time, the charging MAP of the battery is checked back according to the current real SOC value and the temperature value, and the allowable charging current I of the battery in different SOCs or voltage intervals is obtainedmap。
Step 402: BMS real-time detection whether the rifle that charges connects, if the rifle that charges connects, detect the connection type of rifle that charges, confirm after the connection type, obtain Icp、Icc、IPile maxAnd the capability of charging equipment and external charging cables. If the charging gun is detected to be in an unconnected state, obtaining I according to the type of the nearby charging facility sent by the mobile phone APP or GW or the vehicle control unit or the large screen, MP5 and the charging facility selected by the customercp、Icc、IPile max、IDeviceWhen the capability of the charging device and the external charging cable is equal, Icp、Icc、IPile maxDefaults to infinity, and when I also receives the device type and client selection sent by the APP, the default I device is equal to Iobc。
Step 403: the BMS detects the received maximum allowable output current and power of the charger sent by the OBC in real time to obtain the maximum conversion capacity I of the intermediate equipmentobc。
Step 404: detecting the power or current consumed by the load of the whole vehicle sent by the VCU or HCU in real time to obtain ILoad(s)。
Step 405: BMS receives the setting condition of the mobile phone APP or GW sending the reservation charging in real time to obtain IappAnd SOC ends. Meanwhile, the BMS receives in real time the nearby charging facility type and the charging capability of the charging setting selected by the customer, which are transmitted by the APP.
Step 406: the BMS can obtain the charging current I of each stage according to the information obtained from the steps 401 to 405Charging 1～ICharging n。
Step 407: BMS obtains charging start and end SOCs of each stage and obtains a required charging capacity Q from start to end of charging according to steps 401 and 405 aboveGeneral assemblyAnd charging capacity Q at different charging currents in each stage1～QnWherein Q isGeneral assembly＝Q1+Q2+……+Qn。
Step 408: BMS calculates I from step 406 to step 407Charging 1～ICharging nAnd Q1～QnCalculating the charging time T of each stage1～TnWherein, TCharging 1＝Q1/ICharging 1Finally, the whole charging time T is obtainedCharging of electricity＝TCharging 1+TCharging 2+……+TCharging n。
Step 409: if the battery thermal management time is calculated by other controllers, the BMS detects the residual thermal management time T thermal management sent by the HCU or the thermal management controller in real time; if the battery thermal management time is calculated by the BMS, the BMS needs to receive the ambient temperature sent by an air conditioner controller (AC) or a heater (PTC) or other thermal management controllers in real time, and then obtain the remaining heating time according to the ambient temperature, the battery temperature, the current true SOC, and the end-of-charge SOC.
Step 410: calculating the residual heating time, and obtaining the first thermal management time T according to the initial battery temperature and the designed thermal management end conditionThermal management 1Then according to the current ambient temperature and the calculated TCharging of electricityThe number of times n of repeated thermal management during charging, T during this period, is obtainedThermal management 2＝n*TThermal management presets；TThermal management＝TThermal management 1+TThermal management 2。
Step 411: because the pre-designed value can not cover 100%, finally, the coefficient K is obtained by calibrating the real vehicle under various environments1And K2. Determination of K1And K2Then, the remaining charging time T ═ K is obtained1*TCharging of electricity+K2*TThermal management。
Step 412: after the software setting logic processing detects the gun inserting signal, the residual time T can only be reduced and cannot be increased, if BMS detects that T has an error due to too large environmental change, K can be adjusted1And K2And (6) correcting.
It should be noted that, in the above embodiment of the present invention, the remaining charging time control flow relates to each link, wherein, during the discharging process, the remaining charging time can be presented to the customer in real time according to the selection of the customer, and the customer experience is excellent; when the charging remaining time is calculated, the time difference caused by battery thermal management is considered, so that the error of the previous charging remaining time is effectively made up; charging related options in the reserved charging setting are fully considered when the existing man-machine interaction is carried out, and the charging remaining time is calculated more accurately; according to the practical starting, the OBC output limit, the power consumption of an external load, the capacity of an external cable and charging equipment and the like are considered, the guidance is realized according to the practical output capacity, and the estimation error of the charging remaining time is greatly reduced; can be adjusted by adjusting the coefficient K1And K2The problem that accumulated errors are increased due to environmental factors is effectively solved.
Example 2
According to another aspect of the embodiments of the present invention, there is also provided a processing apparatus of remaining charging time, and fig. 5 is a schematic diagram of the processing apparatus of remaining charging time according to the embodiments of the present invention, as shown in fig. 5, the processing apparatus of remaining charging time includes: a first determination module 52, a second determination module 54, and a third determination module 56. The processing means for the remaining charging time will be described in detail below.
A first determination module 52 for determining a charging time and a remaining thermal management time of the battery during charging; a second determining module 54, connected to the first determining module 52, for determining a correction factor calibrated by the vehicle in the target environment; a third determining module 56, connected to the second determining module 54, is used for determining the charging remaining time of the battery according to the charging time, the remaining thermal management time and the correction coefficient.
It should be noted that the above modules may be implemented by software or hardware, for example, for the latter, the following may be implemented: the modules can be located in the same processor; and/or the modules are located in different processors in any combination.
In the above embodiment, the processing device for the remaining charging time can calculate the remaining charging time of the battery by combining the charging time and the remaining thermal management time of the battery in the charging process with the correction coefficient obtained by calibrating the vehicle in the target environment, so that the purpose of efficiently, flexibly and accurately obtaining the remaining charging time of the battery is achieved, the influences of battery thermal management, charging equipment, intermediate conversion equipment, load consumption and the like are fully considered, the technical effect of greatly improving the accuracy of the remaining charging time is achieved, and the technical problem of inaccurate estimation of the remaining charging time of a battery management system in the related art is solved.
It should be noted here that the first determining module 52, the second determining module 54, and the third determining module 56 correspond to steps S102 to S106 in embodiment 1, and the modules are the same as the corresponding steps in the implementation example and the application scenario, but are not limited to the disclosure in embodiment 1.
Optionally, the first determining module 52 includes: the first acquisition unit is used for acquiring the charging current of the battery at each stage in the charging process and the corresponding charging capacity under the charging current; the first determining unit is used for determining the charging time of the battery in the charging process according to the charging current of each stage and the corresponding charging capacity under the charging current.
Optionally, the first obtaining unit includes: the acquisition subunit is used for acquiring current parameters of the battery at each stage in the charging process; and the first determining subunit is used for determining the charging current of the battery at each stage in the charging process according to the current parameter.
Optionally, the current parameter includes at least one of: the allowable charging current of the batteries corresponding to different charge states or voltage intervals; the current corresponding to the CC terminal and the current corresponding to the CP terminal of the charging gun; the maximum allowable charging current of the vehicle-mounted charger; a maximum output current of the charging device; consumption current of a vehicle load; the charging current of the charging setting is reserved.
Optionally, the first determining module 52 includes: the second acquisition unit is used for acquiring the current ambient temperature and the current battery temperature of the battery in the charging process, the charge state of starting charging and the charge state of finishing charging; and the second determination unit is used for determining the residual thermal management time of the battery in the charging process according to the current environment temperature, the current battery temperature, the charging starting state of charge and the charging ending state of charge.
Optionally, the second determining unit includes: the second determining subunit is configured to determine a first remaining thermal management time of the battery in the charging process according to the current battery temperature and a preset thermal management end condition, where the preset thermal management end condition is that a state of charge at which charging is started is greater than or equal to a state of charge at which charging is ended; the third determining subunit is used for determining a second remaining thermal management time of the battery in the charging process according to the number of times of the battery entering thermal management in the charging process and the preset remaining thermal management time, wherein the number of times is obtained according to the charging time of the battery in the charging process and the current ambient temperature; and the fourth determining subunit is used for determining the remaining thermal management time of the battery in the charging process according to the first remaining thermal management time and the second remaining thermal management time.
Optionally, the modification coefficients at least include a first modification coefficient and a second modification coefficient, and the third determining module 56 includes: the third determining unit is used for determining the first charging remaining time of the battery according to the charging time and the first correction coefficient; a fourth determination unit configured to determine a second charge remaining time of the battery according to the remaining thermal management time and the second correction coefficient; and the fifth determining unit is used for determining the charging remaining time of the battery according to the first charging remaining time and the second charging remaining time.
Example 3
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, which includes a stored program, wherein when the program runs, a device where the computer-readable storage medium is located is controlled to execute the processing method of the remaining charging time in any one of the above.
Optionally, in this embodiment, the computer-readable storage medium may be located in any one of a group of computer terminals in a computer network and/or in any one of a group of mobile terminals, and the computer-readable storage medium includes a stored program.
Optionally, the program when executed controls an apparatus in which the computer-readable storage medium is located to perform the following functions: determining the charging time and the remaining thermal management time of the battery in the charging process; determining a correction coefficient obtained by calibrating a vehicle in a target environment; and determining the charging remaining time of the battery according to the charging time, the remaining thermal management time and the correction coefficient.
Optionally, determining a charging time of the battery during the charging process includes: acquiring charging current of the battery at each stage in the charging process and corresponding charging capacity under the charging current; and determining the charging time of the battery in the charging process according to the charging current of each stage and the corresponding charging capacity under the charging current.
Optionally, obtaining the charging current of the battery at each stage in the charging process includes: acquiring current parameters of the battery at each stage in the charging process; and determining the charging current of the battery at each stage in the charging process according to the current parameters.
Optionally, the current parameter comprises at least one of: the allowable charging current of the batteries corresponding to different charge states or voltage intervals; the current corresponding to the CC terminal and the current corresponding to the CP terminal of the charging gun; the maximum allowable charging current of the vehicle-mounted charger; a maximum output current of the charging device; consumption current of a vehicle load; the charging current of the charging setting is reserved.
Optionally, determining the remaining thermal management time of the battery during charging comprises: acquiring the current ambient temperature and the current battery temperature of a battery in the charging process, the charge state of starting charging and the charge state of finishing charging; and determining the remaining thermal management time of the battery in the charging process according to the current environment temperature, the current battery temperature, the charging starting state of charge and the charging ending state of charge.
Optionally, determining the remaining thermal management time of the battery in the charging process according to the current ambient temperature, the current battery temperature, the state of charge for starting charging, and the state of charge for ending charging includes: determining a first remaining thermal management time of the battery in the charging process according to the current battery temperature and a preset thermal management end condition, wherein the preset thermal management end condition is that the charging starting state of charge is greater than or equal to the charging ending state of charge; determining second remaining thermal management time of the battery in the charging process according to the number of times of thermal management of the battery in the charging process and preset remaining thermal management time, wherein the number of times is obtained according to the charging time of the battery in the charging process and the current ambient temperature; and determining the remaining thermal management time of the battery in the charging process according to the first remaining thermal management time and the second remaining thermal management time.
Optionally, the determining the remaining charging time of the battery according to the charging time, the remaining thermal management time, and the correction coefficient includes: determining a first charging remaining time of the battery according to the charging time and the first correction coefficient; determining a second charging remaining time of the battery according to the remaining thermal management time and a second correction coefficient; and determining the charging remaining time of the battery according to the first charging remaining time and the second charging remaining time.
Example 4
According to another aspect of the embodiments of the present invention, there is also provided an electronic apparatus, which includes a memory and a processor, the memory stores a computer program, and the processor is configured to execute the processing method of the charging remaining time of any one of the above through the computer program.
Optionally, an embodiment of the present invention provides an electronic device, where the electronic device includes a processor, a memory, and a program stored in the memory and capable of running on the processor, and the processor executes the program to implement the following steps: determining the charging time and the remaining thermal management time of the battery in the charging process; determining a correction coefficient obtained by calibrating a vehicle in a target environment; and determining the charging remaining time of the battery according to the charging time, the remaining thermal management time and the correction coefficient.
Optionally, determining a charging time of the battery during the charging process includes: acquiring charging current of the battery at each stage in the charging process and corresponding charging capacity under the charging current; and determining the charging time of the battery in the charging process according to the charging current of each stage and the corresponding charging capacity under the charging current.
Optionally, obtaining the charging current of the battery at each stage in the charging process includes: acquiring current parameters of the battery at each stage in the charging process; and determining the charging current of the battery at each stage in the charging process according to the current parameters.
Optionally, the current parameter comprises at least one of: the allowable charging current of the batteries corresponding to different charge states or voltage intervals; the current corresponding to the CC terminal and the current corresponding to the CP terminal of the charging gun; the maximum allowable charging current of the vehicle-mounted charger; a maximum output current of the charging device; consumption current of a vehicle load; the charging current of the charging setting is reserved.
Optionally, determining the remaining thermal management time of the battery during charging comprises: acquiring the current ambient temperature and the current battery temperature of a battery in the charging process, the charge state of starting charging and the charge state of finishing charging; and determining the remaining thermal management time of the battery in the charging process according to the current environment temperature, the current battery temperature, the charging starting state of charge and the charging ending state of charge.
Optionally, determining the remaining thermal management time of the battery in the charging process according to the current ambient temperature, the current battery temperature, the state of charge for starting charging, and the state of charge for ending charging includes: determining a first remaining thermal management time of the battery in the charging process according to the current battery temperature and a preset thermal management end condition, wherein the preset thermal management end condition is that the charging starting state of charge is greater than or equal to the charging ending state of charge; determining second remaining thermal management time of the battery in the charging process according to the number of times of thermal management of the battery in the charging process and preset remaining thermal management time, wherein the number of times is obtained according to the charging time of the battery in the charging process and the current ambient temperature; and determining the remaining thermal management time of the battery in the charging process according to the first remaining thermal management time and the second remaining thermal management time.
Optionally, the determining the remaining charging time of the battery according to the charging time, the remaining thermal management time, and the correction coefficient includes: determining a first charging remaining time of the battery according to the charging time and the first correction coefficient; determining a second charging remaining time of the battery according to the remaining thermal management time and a second correction coefficient; and determining the charging remaining time of the battery according to the first charging remaining time and the second charging remaining time.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple 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, units or modules, and may be in an electrical 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 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, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1.一种充电剩余时间的处理方法，其特征在于，包括：1. A processing method for charging remaining time, characterized in that, comprising: 确定电池在充电过程中的充电时间和剩余热管理时间；Determine the charging time and remaining thermal management time of the battery during charging; 确定车辆在目标环境下标定得到的修正系数；Determine the correction coefficient obtained by the calibration of the vehicle in the target environment; 依据所述充电时间、所述剩余热管理时间以及所述修正系数，确定所述电池的充电剩余时间。According to the charging time, the remaining thermal management time and the correction coefficient, the remaining charging time of the battery is determined. 2.根据权利要求1所述的方法，其特征在于，确定电池在充电过程中的充电时间，包括：2. The method according to claim 1, wherein determining the charging time of the battery during the charging process comprises: 获取所述电池在充电过程中各个阶段的充电电流以及在所述充电电流下对应的充电容量；Obtain the charging current of the battery at each stage in the charging process and the corresponding charging capacity under the charging current; 依据各个阶段的所述充电电流以及在所述充电电流下对应的所述充电容量，确定所述电池在充电过程中的所述充电时间。The charging time of the battery in the charging process is determined according to the charging current in each stage and the corresponding charging capacity under the charging current. 3.根据权利要求2所述的方法，其特征在于，获取所述电池在充电过程中各个阶段的充电电流，包括：3. The method according to claim 2, wherein obtaining the charging current of the battery at each stage in the charging process comprises: 获取所述电池在充电过程中各个阶段的电流参数；obtaining the current parameters of the battery at various stages in the charging process; 依据所述电流参数，确定所述电池在充电过程中各个阶段的所述充电电流。According to the current parameter, the charging current of the battery in each stage of the charging process is determined. 4.根据权利要求3所述的方法，其特征在于，所述电流参数包括以下至少之一：4. The method according to claim 3, wherein the current parameter comprises at least one of the following: 不同荷电状态或电压区间对应的所述电池允许充电电流；the allowable charging current of the battery corresponding to different states of charge or voltage intervals; 充电枪的CC端子对应的电流以及CP端子对应的电流；The current corresponding to the CC terminal of the charging gun and the current corresponding to the CP terminal; 车载充电机最大允许的充电电流；The maximum allowable charging current of the on-board charger; 充电设备的最大输出电流；The maximum output current of the charging device; 车辆负载的消耗电流；The current consumption of the vehicle load; 预约充电设置的充电电流。The charging current set by the reserved charging. 5.根据权利要求1所述的方法，其特征在于，确定电池在充电过程中的剩余热管理时间，包括：5. The method according to claim 1, wherein determining the remaining thermal management time of the battery during charging comprises: 获取所述电池在充电过程中的当前环境温度、当前电池温度，开始充电的荷电状态以及结束充电的荷电状态；Obtain the current ambient temperature, the current battery temperature, the state of charge at the beginning of charging and the state of charge at the end of charging of the battery during charging; 依据所述当前环境温度、所述当前电池温度，所述开始充电的荷电状态以及所述结束充电的荷电状态，确定所述电池在充电过程中的所述剩余热管理时间。The remaining thermal management time of the battery in the charging process is determined according to the current ambient temperature, the current battery temperature, the state of charge at the start of charging, and the state of charge at the end of charging. 6.根据权利要求5所述的方法，其特征在于，依据所述当前环境温度、所述当前电池温度，所述开始充电的荷电状态以及所述结束充电的荷电状态，确定所述电池在充电过程中的所述剩余热管理时间，包括：6 . The method according to claim 5 , wherein the battery is determined according to the current ambient temperature, the current battery temperature, the state of charge at the beginning of charging, and the state of charge at the end of charging. 7 . The remaining thermal management time during charging includes: 根据所述当前电池温度以及预设的热管理结束条件，确定所述电池在充电过程中的第一剩余热管理时间，其中，所述预设的热管理结束条件为所述开始充电的荷电状态大于或者等于所述结束充电的荷电状态；Determine the first remaining thermal management time during the charging process of the battery according to the current battery temperature and a preset thermal management ending condition, where the preset thermal management ending condition is the charge for starting charging The state is greater than or equal to the state of charge of the end of charging; 根据所述电池在充电过程中进入热管理的次数以及预设剩余热管理时间，确定所述电池在充电过程中的第二剩余热管理时间，其中，所述次数是根据所述电池在充电过程中的充电时间以及所述当前环境温度而得到的；The second remaining thermal management time of the battery during the charging process is determined according to the number of times the battery enters thermal management during the charging process and the preset remaining thermal management time, wherein the number of times is based on the battery during the charging process. The charging time in and the current ambient temperature are obtained; 根据所述第一剩余热管理时间与所述第二剩余热管理时间，确定所述电池在充电过程中的所述剩余热管理时间。The remaining thermal management time during the charging process of the battery is determined according to the first remaining thermal management time and the second remaining thermal management time. 7.根据权利要求1至6中任意一项所述的方法，其特征在于，所述修正系数至少包括第一修正系数和第二修正系数，依据所述充电时间、所述剩余热管理时间以及所述修正系数，确定所述电池的充电剩余时间，包括：7. The method according to any one of claims 1 to 6, wherein the correction coefficient includes at least a first correction coefficient and a second correction coefficient, according to the charging time, the remaining thermal management time and The correction factor, which determines the remaining charging time of the battery, includes: 依据所述充电时间与所述第一修正系数，确定所述电池的第一充电剩余时间；determining the first remaining charging time of the battery according to the charging time and the first correction coefficient; 依据所述剩余热管理时间与所述第二修正系数，确定所述电池的第二充电剩余时间；determining a second remaining charging time of the battery according to the remaining thermal management time and the second correction coefficient; 依据所述第一充电剩余时间与所述第二充电剩余时间，确定所述电池的所述充电剩余时间。The remaining charging time of the battery is determined according to the first remaining charging time and the second remaining charging time. 8.一种充电剩余时间的处理装置，其特征在于，包括：8. A processing device for charging remaining time, comprising: 第一确定模块，用于确定电池在充电过程中的充电时间和剩余热管理时间；a first determination module, used for determining the charging time and the remaining thermal management time of the battery during the charging process; 第二确定模块，用于确定车辆在目标环境下标定得到的修正系数；The second determination module is used to determine the correction coefficient obtained by the calibration of the vehicle in the target environment; 第三确定模块，用于依据所述充电时间、所述剩余热管理时间以及所述修正系数，确定所述电池的充电剩余时间。A third determining module, configured to determine the remaining charging time of the battery according to the charging time, the remaining thermal management time and the correction coefficient. 9.一种计算机可读存储介质，其特征在于，所述计算机可读存储介质包括存储的程序，其中，在所述程序运行时控制所述计算机可读存储介质所在设备执行权利要求1至7中任意一项所述的充电剩余时间的处理方法。9. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein, when the program is run, a device where the computer-readable storage medium is located is controlled to execute claims 1 to 7 The processing method of the remaining charging time described in any one of the above. 10.一种电子装置，包括存储器和处理器，其特征在于，所述存储器中存储有计算机程序，所述处理器被设置为通过所述计算机程序执行所述权利要求1至7中任意一项所述的充电剩余时间的处理方法。10. An electronic device comprising a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to execute any one of the claims 1 to 7 through the computer program The method for processing the remaining charging time.
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