CN115122951A - Charging method, charging system, electric vehicle, electronic device, and storage medium - Google Patents
Charging method, charging system, electric vehicle, electronic device, and storage medium Download PDFInfo
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- CN115122951A CN115122951A CN202110312034.4A CN202110312034A CN115122951A CN 115122951 A CN115122951 A CN 115122951A CN 202110312034 A CN202110312034 A CN 202110312034A CN 115122951 A CN115122951 A CN 115122951A
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging method, a charging system, an electric automobile, electronic equipment and a storage medium, wherein the charging method comprises the following steps: determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server; if the intelligent charging mode entering condition is met, acquiring target charging ending time and target charging duration from a server after entering the intelligent charging mode, wherein the target charging starting time, the target charging ending time and the target charging duration are determined according to historical charging information of the vehicle; determining the charging time according to the charging starting time, the target charging ending time and the target charging time; and determining the charging current of the current charging according to the current charging time length. According to the charging method provided by the invention, the charging use habit of an owner can be met, the service life of a vehicle battery is prolonged, and the human-vehicle cooperation is facilitated.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a charging method, a charging system, an electric vehicle, an electronic device, and a storage medium.
Background
In the related art, the electric vehicle needs to be charged daily, the daily charging habit of a user affects the service life of a battery in the electric vehicle, and the constant current charging mode causes low utilization rate and short service life of the battery.
Disclosure of Invention
To solve the problems in the prior art, embodiments of the present invention provide a charging method, a charging system, an electric vehicle, an electronic device, and a storage medium.
Specifically, the embodiment of the invention provides the following technical scheme:
in a first aspect, an embodiment of the present invention provides a charging method for an electric vehicle, including: determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server; if the intelligent charging mode entering condition is met, acquiring target charging ending time and target charging duration from a server after the intelligent charging mode is entered, wherein the target charging starting time, the target charging ending time and the target charging duration are determined according to historical charging information of the vehicle; determining the charging time length according to the charging starting time, the target charging ending time and the target charging time length; and determining the charging current of the current charging according to the current charging time length.
According to an embodiment of the present invention, the determining whether the intelligent charging mode entry condition is satisfied according to the current charging start time and the target charging start time obtained from the server includes: judging whether the time difference between the current charging starting time and the target charging starting time is within a preset time difference or not; if so, determining that the intelligent charging mode entry condition is met.
According to an embodiment of the present invention, the obtaining a target charging end time and a target charging duration from a server after entering the smart charging mode if the smart charging mode entry condition is satisfied includes: when the intelligent charging mode entering condition is met, sending an intelligent charging mode request to a specified intelligent terminal; and entering the intelligent charging mode after receiving the confirmation of the target terminal.
According to an embodiment of the present invention, the charging method further includes: and sending historical charging information of the vehicle to the server, wherein the historical charging information comprises charging starting time, charging ending time and charging duration corresponding to multiple times of charging, so that the server can count the charging starting time, the charging ending time and the charging duration corresponding to the multiple times of charging to obtain the target charging starting time, the target charging ending time and the target charging duration.
According to an embodiment of the present invention, the determining the charging current for the current charging according to the current charging time length includes: obtaining a target charging current according to the state of charge of the power battery and the temperature of the power battery; judging the charging time required for fully charging the vehicle through the target charging current; and if the charging time is shorter than the charging time of this time, charging the vehicle by using the target charging current, stopping charging the vehicle when the charge state of the power battery reaches a preset value, determining a new target charging current again according to the charge state of the power battery and the temperature of the power battery after preset time, and charging by using the new target charging current.
According to an embodiment of the present invention, the determining the current charging time length according to the current charging start time, the target charging end time, and the target charging time length includes: determining an expected charging time length according to the current charging starting time and the target charging ending time; and taking the small value in the estimated charging time length and the target charging time length as the charging time length of this time.
In a second aspect, an embodiment of the present invention further provides a charging system, where the charging system includes: the judging module is used for determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server; the acquisition module is used for acquiring target charging end time and target charging duration from a server after the intelligent charging mode is entered if the intelligent charging mode entry condition is met, wherein the target charging start time, the target charging end time and the target charging duration are determined according to historical charging information of the vehicle; and the determining module is used for determining the charging time length according to the charging starting time, the target charging ending time and the target charging time length, and determining the charging current of the charging according to the charging time length.
In a third aspect, an embodiment of the present invention further provides an electric vehicle, where the electric vehicle includes the charging system for an electric vehicle as described in the second aspect in the foregoing embodiment.
In a fourth aspect, an embodiment of the present invention further provides an electronic device, where the electronic device includes: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method for charging an electric vehicle according to the first aspect when executing the program.
In a fifth aspect, the present invention further provides a non-transitory computer readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps of the charging method for an electric vehicle according to the first aspect.
According to the technical scheme, the charging method, the charging device, the electronic equipment and the storage medium provided by the embodiment of the invention can meet the charging use habit of an owner, prolong the service life of a vehicle battery and contribute to human-vehicle cooperation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flow chart of a charging method according to an embodiment of the invention;
fig. 2 is a flowchart of determining whether a smart charging mode entry condition is satisfied according to an embodiment of the present invention;
fig. 3 is a flowchart of acquiring a target charging end time and a target charging period according to an embodiment of the present invention;
fig. 4 is a flowchart of determining a charging current for the current charging according to the current charging time length according to the embodiment of the present invention;
FIG. 5 is a flowchart of determining the current charging time period according to the current charging start time, the target charging end time, and the target charging time period, according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an electronic device according to one embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all embodiments of the present invention. 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.
Fig. 1 shows a flowchart of a charging method for an electric vehicle according to an embodiment of the present invention.
As shown in fig. 1, the charging method of the electric vehicle according to the present invention includes:
s101: determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server;
s102: if the intelligent charging mode entering condition is met, acquiring target charging ending time and target charging duration from the server after entering the intelligent charging mode, wherein the target charging starting time, the target charging ending time and the target charging duration are determined according to historical charging information of the vehicle;
s103: determining the charging time length according to the charging starting time, the target charging ending time and the target charging time length;
s104: and determining the charging current of the current charging according to the current charging time length.
In the related art, the electric vehicle needs to be charged daily, the daily charging habit of a user affects the service life of a battery in the electric vehicle, and the constant current charging mode causes low utilization rate and short service life of the battery.
According to the charging method, whether an intelligent charging mode is entered or not is determined according to the starting time of charging and the target charging starting time obtained from the server, the intelligent charging mode is set according to the daily charging habit rule of the user, and the target starting time can be obtained through statistical analysis according to the daily charging time data of the user.
And after entering the intelligent charging mode, acquiring target charging end time and target charging duration from the server, wherein the target charging start time, the target charging end time and the target charging duration are determined according to the historical information of the vehicle. After the user uses the vehicle for a period of time, the vehicle can count and obtain the target charging starting time, the target charging ending time and the target charging duration according to the use habits of the user in a long time.
And determining the charging time length according to the charging starting time, the target charging ending time and the target charging time length in the intelligent charging mode. The charging method can count the time for finishing charging in daily life of the user, and the charging time of the time can be obtained according to the charging starting time, the target charging finishing time and the target charging time of the time, so that the vehicle charging method can meet the use requirements of the user in the normal work and rest process.
After the charging time length of the time is determined, the charging current can be determined according to the charging time length, so that the electric quantity meeting daily use of a user can be obtained after the vehicle charged according to the method is charged.
According to the charging method of the electric automobile, whether an intelligent charging mode is carried out or not is determined by judging the charging starting time and the target charging starting time, the charging time can be determined by acquiring the target charging ending time and the target charging time in the intelligent charging mode, and the charging current is determined according to the charging time, so that the charging of the vehicle can meet the charging use habit of an owner, the service life of a vehicle battery is prolonged, and the cooperation of people and vehicles is facilitated.
According to an embodiment of the present invention, determining whether an intelligent charging mode entry condition is satisfied according to the current charging start time and a target charging start time obtained from a server includes:
s201: judging whether the time difference between the current charging starting time and the target charging starting time is within a preset time difference or not;
s202: if so, it is determined that the smart charge mode entry condition is satisfied.
Wherein step S101 includes step S201 and step S202.
Before determining whether the intelligent charging mode entering condition is met, judging whether a time difference value between the charging starting time and the target charging starting time is within a preset time difference, and determining that the charging meets the intelligent charging mode entering condition when the difference between the charging starting time and the target charging starting time obtained from the server is not more than 1 hour.
The difference value between the charging starting time and the target charging starting time obtained from the server is set within 1 hour, so that the range of the charging starting time of the intelligent charging mode can be enlarged, the charging starting time is prevented from being delayed by a user due to personal reasons, the charging method can meet the use requirements of the user in the normal work and rest process, the charging strategy of the battery can be optimized, and the service life of the battery is prolonged.
When the time difference between the current charging starting time and the target charging starting time is not within the preset time difference, the intelligent charging mode is not adopted, and a user can select a corresponding charging strategy according to the current electric quantity of the vehicle. According to an embodiment of the present invention, if the smart charging mode entry condition is satisfied, acquiring the target charging end time and the target charging duration from the server after entering the smart charging mode includes:
s301: when the intelligent charging mode entering condition is met, sending an intelligent charging mode request to a designated intelligent terminal;
s302: and after receiving the confirmation of the target terminal, entering an intelligent charging mode.
When the automobile meets the intelligent charging mode, the battery management system sends an intelligent charging mode request to the intelligent terminal. And when the battery management system receives the confirmation of the intelligent terminal, starting to enter an intelligent charging mode. Whether the intelligent charging mode is entered or not is judged by sending a charging mode request to the intelligent terminal and according to the information of the intelligent terminal, and the intelligent charging mode can be controlled more conveniently.
According to an embodiment of the present invention, the smart terminal may be configured as a mobile phone of the user, and when the smart charging mode entry condition is satisfied, the mobile phone of the user receives the smart charging mode request, and the user may confirm whether to enter the smart charging mode by himself/herself. And when the user determines, entering an intelligent charging mode. The setting can further improve the controllability of the user to the intelligent charging mode, thereby meeting the charging requirement of the user and being beneficial to the cooperation of people and vehicles.
According to an embodiment of the present invention, the charging method further includes: and sending historical charging information of the vehicle to a server, wherein the historical charging information comprises charging starting time, charging ending time and charging duration corresponding to multiple times of charging, so that the server can count the charging starting time, the charging ending time and the charging duration corresponding to the multiple times of charging to obtain target charging starting time, target charging ending time and target charging duration.
Specifically, when a user carries out charging, the charging method starts to record charging starting time and sends the charging starting time to the server, a charging strategy of an automobile can be executed according to a calibration charging strategy when the automobile leaves a factory, after the charging is finished, the charging finishing time of the finished time is recorded and the charging duration is obtained through calculation, the charging method sends the charging finishing time and the charging duration to the server, and the server carries out statistics according to the charging starting time, the charging finishing time and the charging duration corresponding to multiple times of charging, so that the target charging starting time, the target charging finishing time and the target charging duration are obtained. The charging use habit of the vehicle owner can be obtained by counting the charging start time, the charging end time and the charging duration for multiple times, and the charging strategy of the vehicle owner is adjusted according to the charging use habit of the vehicle owner, so that the service life of a vehicle battery is prolonged, and the cooperation of people and vehicles is facilitated.
According to an embodiment of the present invention, determining the charging current for the current charging according to the current charging time length includes:
s401: obtaining a target charging current according to the state of charge of the power battery and the temperature of the power battery;
s402: judging the charging time required for fully charging the vehicle through the target charging current;
s403: and if the charging time is shorter than the charging time, charging the vehicle by using the target charging current, stopping charging the vehicle when the state of charge of the power battery reaches a preset value, determining a new target charging current again according to the state of charge of the power battery and the temperature of the power battery after preset time, and charging by using the new target charging current.
Further, the battery management system obtains a target charging current according to the current state of charge of the power battery and the temperature lookup table of the power battery, calculates the charging time required by full charge of the vehicle according to the target charging current, charges the vehicle according to the target charging current if the charging time required by full charge of the vehicle is less than the charging time, adjusts the target charging current to be 0 when the electric quantity is more than 98%, but does not end the charging process at the moment, stands the battery for 30 minutes, and obtains a new target charging current according to the current state of charge of the power battery and the temperature lookup table of the power battery again and charges the vehicle according to the new target charging current. The charging method can meet the requirement that the battery is charged in the most comfortable state, reduce the energy consumption of thermal management and prolong the service life of the battery.
It should be noted that the target charging current is the most preferable charging current of the power battery at the current temperature and the current state of charge, the target charging currents of the power battery at different states can be obtained through experiments to form a target battery charging current map, and the target battery charging current map is stored in the battery manager, and the battery manager can obtain the target charging current at the current state according to the target battery charging current map.
According to an embodiment of the present invention, determining the current charging time length according to the current charging start time, the target charging end time and the target charging time length includes:
s501: determining a predicted charging time length according to the current charging starting time and the target charging ending time;
s502: and taking the small value of the predicted charging time length and the target charging time length as the charging time length.
The charging method further calculates the expected charging time according to the current charging starting time and the target charging ending time.
When the predicted charging time is longer than the target charging time, the vehicle takes the target charging time as the charging time of this time, and the vehicle can take the target charging time as the charging time of this time, so that the vehicle is prevented from being charged according to the predicted charging time, the overcharge of the battery is prevented, the damage to the battery is reduced, and the service life of the battery is further prolonged.
When the estimated charging time is less than the target charging time, the vehicle takes the estimated charging time as the charging time, so that the charging efficiency of the vehicle is improved, the vehicle is rapidly charged, and the requirements of users are met.
A charging system according to an embodiment of the second aspect of the invention is described below.
According to the charging system, the charging system comprises a judging module, an obtaining module and a determining module. The judging module is used for determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server. The acquisition module is used for acquiring target charging end time and target charging duration from a server after the intelligent charging mode is entered if the intelligent charging mode entry condition is met, wherein the target charging start time, the target charging end time and the target charging duration are determined according to historical charging information of the vehicle. The determining module is used for determining the charging time according to the charging starting time, the target charging ending time and the target charging time, and determining the charging current of the charging according to the charging time. Because the charging system comprises the judging module, the obtaining module and the determining module, the charging system can execute the charging method of the embodiment so as to meet the charging use habit of the vehicle owner, prolong the service life of the vehicle battery and be beneficial to human-vehicle cooperation.
It will be appreciated that the detailed and extended functions that the charging system can perform may be as described with reference to the above embodiments.
The electric vehicle according to the present invention will be briefly described below.
According to the electric automobile provided with the charging system of the embodiment, the electric automobile provided with the charging system of the embodiment can execute the charging method of the embodiment so as to meet the charging use habit of an automobile owner, prolong the service life of a vehicle battery and contribute to human-vehicle cooperation.
It is understood that the detailed functions and the extended functions that the electric vehicle can perform may be referred to the description of the above embodiments.
Based on the same inventive concept, another embodiment of the present invention provides an electronic device, which specifically includes the following contents, with reference to fig. 6: a processor 601, a memory 602, a communication interface 603, and a communication bus 604;
the processor 601, the memory 602 and the communication interface 603 complete mutual communication through the communication bus 604;
the processor 601 is configured to call a computer program in the memory 602, and when the processor executes the computer program, the processor implements all the steps of the charging method for the electric vehicle, for example, when the processor executes the computer program, the processor implements the following processes: determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server; if the intelligent charging mode entering condition is met, acquiring target charging ending time and target charging duration from a server after the intelligent charging mode is entered, wherein the target charging starting time, the target charging ending time and the target charging duration are determined according to historical charging information of the vehicle; determining the charging time length according to the charging starting time, the target charging ending time and the target charging time length; and determining the charging current of the current charging according to the current charging time length.
It will be appreciated that the detailed functions and extended functions that the computer program may perform may be as described with reference to the above embodiments.
Based on the same inventive concept, yet another embodiment of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements all the steps of the charging method of the electric vehicle described above, for example, the processor implements the following processes when executing the computer program: determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server; if the intelligent charging mode entering condition is met, acquiring target charging ending time and target charging duration from a server after the intelligent charging mode is entered, wherein the target charging starting time, the target charging ending time and the target charging duration are determined according to historical charging information of the vehicle; determining the charging time length according to the charging starting time, the target charging ending time and the target charging time length; and determining the charging current of the current charging according to the current charging time length.
It will be appreciated that the detailed functions and extended functions that the computer program may perform may be as described with reference to the above embodiments.
In addition, the logic instructions in the memory may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand-alone product. 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 removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and 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 modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on such understanding, the technical solutions in essence or contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the traffic auditing method according to various embodiments or some parts of embodiments.
Moreover, in the present invention, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Furthermore, in the present disclosure, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A charging method for an electric vehicle, comprising:
determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server;
if the intelligent charging mode entering condition is met, acquiring target charging ending time and target charging duration from a server after entering the intelligent charging mode, wherein the target charging starting time, the target charging ending time and the target charging duration are determined according to historical charging information of the vehicle;
determining the charging time according to the charging starting time, the target charging ending time and the target charging time;
and determining the charging current of the current charging according to the current charging time length.
2. The method for charging an electric vehicle according to claim 1, wherein the determining whether the smart charging mode entry condition is satisfied according to the current charging start time and the target charging start time obtained from the server includes:
judging whether the time difference between the current charging starting time and the target charging starting time is within a preset time difference or not;
if so, determining that the intelligent charging mode entry condition is satisfied.
3. The method for charging an electric vehicle according to claim 1, wherein if the smart charging mode entry condition is satisfied, acquiring a target charging end time and a target charging duration from a server after entering the smart charging mode includes:
when the intelligent charging mode entering condition is met, sending an intelligent charging mode request to a specified intelligent terminal;
and entering the intelligent charging mode after receiving the confirmation of the target terminal.
4. The method for charging an electric vehicle according to claim 1, further comprising:
and sending historical charging information of the vehicle to the server, wherein the historical charging information comprises charging starting time, charging ending time and charging duration corresponding to multiple times of charging, so that the server can count the charging starting time, the charging ending time and the charging duration corresponding to the multiple times of charging to obtain the target charging starting time, the target charging ending time and the target charging duration.
5. The method for charging an electric vehicle according to claim 1, wherein the determining the charging current for the current charging according to the current charging time period comprises:
obtaining a target charging current according to the state of charge of the power battery and the temperature of the power battery;
judging the charging time required for fully charging the vehicle through the target charging current;
and if the charging time is shorter than the charging time of this time, charging the vehicle by using the target charging current, stopping charging the vehicle when the state of charge of the power battery reaches a preset value, determining a new target charging current again according to the state of charge of the power battery and the temperature of the power battery after preset time, and charging by using the new target charging current.
6. The method for charging an electric vehicle according to claim 1, wherein the determining the current charging period according to the current charging start time, the target charging end time and the target charging period comprises:
determining an expected charging time according to the current charging starting time and the target charging ending time;
and taking the small value in the estimated charging time length and the target charging time length as the charging time length of this time.
7. A charging system for an electric vehicle, comprising:
the judging module is used for determining whether the intelligent charging mode entering condition is met or not according to the charging starting time and the target charging starting time obtained from the server;
the acquisition module is used for acquiring target charging end time and target charging duration from a server after the intelligent charging mode is entered if the intelligent charging mode entry condition is met, wherein the target charging start time, the target charging end time and the target charging duration are determined according to historical charging information of the vehicle;
and the determining module is used for determining the charging time length according to the charging starting time, the target charging ending time and the target charging time length, and determining the charging current of the charging according to the charging time length.
8. An electric vehicle, comprising: the charging system for an electric vehicle according to claim 7.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method for charging an electric vehicle according to any one of claims 1 to 6 when executing the program.
10. A non-transitory computer-readable storage medium, on which a computer program is stored, wherein the computer program, when executed by a processor, implements the steps of the method for charging an electric vehicle according to any one of claims 1 to 6.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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