CN117774720A - Control method and control device for reserved charging of vehicle, vehicle and storage medium - Google Patents
Control method and control device for reserved charging of vehicle, vehicle and storage medium Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The embodiment of the invention discloses a control method and a control device for reserved charging of a vehicle, the vehicle and a storage medium, wherein the control method comprises the following steps: acquiring a charging mode of a vehicle; according to the charging mode, standard charging parameters of the vehicle battery are obtained; in the direct charging mode, the vehicle battery is controlled to complete charging according to standard charging parameters; continuously acquiring reserved charging parameters in the reserved charging mode; and according to the comparison result of the reserved charging parameters and the standard charging parameters, controlling the vehicle battery to finish charging according to the reserved charging parameters or prompting a user to reset the reserved charging parameters. The control method aims at 'taking slower speed as much as possible as the vehicle finishes charging within the charge time acceptable by a user', and the vehicle power battery reaches the target storage capacity in the charge stop time by actively reducing the charge speed, so that the service life of the battery is protected.
Description
Technical Field
The embodiment of the invention relates to the technical field of equipment charging, in particular to a control method and device for reserved charging of a vehicle, the vehicle and a storage medium.
Background
Currently, charging strategies for new energy vehicles almost always accomplish charging at the fastest speed within the reach of the battery and charging equipment. When a quick charging mode is adopted, once charging is started, the charging current is charged with the maximum power in the shortest time according to the capability Of the current charging equipment and the bearing upper limit Of the current SOC (State Of Charge) Of the battery pack, so that the charging anxiety Of new energy vehicle owners, particularly electric vehicle owners, is relieved. The rapid charging mode has the defect that the service life of the battery pack is influenced by larger charging current, so that the service life of the battery pack is easily shortened, and the charging and discharging performance parameters of a vehicle are influenced.
Disclosure of Invention
In view of this, the embodiments of the present invention provide a method and apparatus for controlling reserved charging of a vehicle, and a storage medium, which aim to "charge the vehicle as slowly as possible within a charging period acceptable to a user", and actively reduce a charging speed to enable a power battery of the vehicle to reach a target charge capacity at a reserved charging stop time, thereby protecting a battery life.
In a first aspect, an embodiment of the present invention provides a control method for reserved charging of a vehicle, including:
acquiring a charging mode of a vehicle;
acquiring normal charging parameters of a vehicle power battery according to the charging mode;
in a normal charging mode, controlling the vehicle power battery to complete charging according to the normal charging parameters;
continuously acquiring reserved charging parameters in the reserved charging mode;
comparing the reserved charging parameter with the normal charging parameter;
and controlling the vehicle power battery to finish charging according to the reserved charging parameters or prompting a user to reset the reserved charging parameters according to the comparison result of the reserved charging parameters and the normal charging parameters.
Optionally, the normal charging parameters include a current time and a normal charging end time, and the reserved charging parameters include reserved charging start time and reserved charging end time;
acquiring normal charging parameters of a vehicle power battery, including:
calculating normal charging time length from the current time to the normal charging end time when the vehicle power battery is charged;
continuing to acquire the reserved charging parameters, including:
acquiring a reserved charging start time and a reserved charging end time;
and controlling the vehicle to finish charging or prompting a user to reset the reserved charging parameters according to the comparison result of the reserved charging parameters and the normal charging parameters, wherein the method comprises the following steps of:
judging whether the reserved charging starting time is later than the current time or not;
if so, controlling the vehicle power battery to finish charging according to the reserved charging starting time and reserved charging ending time;
if not, prompting the user to reset the reserved charging starting time and the reserved charging ending time.
Optionally, the charging parameters further include a current storage capacity and a full-load storage capacity, and the reserved charging parameters further include a target storage capacity;
before judging that the reserved charging start time is later than the current time and controlling the vehicle power battery to finish charging according to the reserved charging start time and the reserved charging end time, the method further comprises the following steps:
acquiring a target storage capacity, and calculating the current storage capacity and full-load storage capacity of a vehicle power battery;
judging whether the target storage capacity is within the range of the current storage capacity and the full storage capacity;
if yes, controlling the vehicle power battery to finish charging according to the target storage capacity;
if not, prompting the user to reset the target storage capacity.
Optionally, the normal charging parameter further includes a normal charging duration, and the reserved charging parameter further includes a reserved charging duration;
before the target storage capacity is judged to be in the range of the current storage capacity and the full storage capacity, the method further comprises the following steps:
calculating the normal charging time length from the current moment to the target storage capacity of the vehicle power battery;
acquiring reserved charging time length of a vehicle power battery;
judging whether the reserved charging time length is longer than the normal charging time length;
if so, generating a reserved charging curve, and controlling the vehicle power battery to finish charging according to the reserved charging curve;
if not, prompting the user to reset the reserved charging time length.
Optionally, the normal charging parameter includes a normal charging current;
acquiring normal charging parameters of a vehicle power battery, further comprising: calculating the normal charging current of a vehicle power battery;
and controlling the vehicle power battery to finish charging according to the reserved charging parameters, and further comprising:
calculating reserved charging current according to the total charging amount and the reserved charging parameter;
and when the reserved charging current is smaller than the normal charging current, controlling the vehicle power battery to complete charging according to the reserved charging current.
Optionally, prompting the user to reset the reserved charging parameters includes:
and providing a reserved charging parameter range, and prompting a user to reset reserved charging parameters in the reserved charging parameter range.
Optionally, in the process of controlling the vehicle power battery to complete charging according to the reserved charging parameters, the control method further comprises the following steps;
acquiring an abnormal parameter signal of a vehicle power battery;
and controlling the vehicle power battery to stop charging and controlling the vehicle to alarm according to the abnormal charging parameter signal.
In a second aspect, an embodiment of the present application further provides a control device for vehicle reserved charging, configured to execute the control method provided in the first aspect, including:
the charging mode acquisition module is used for acquiring a charging mode of the vehicle;
the parameter acquisition module is used for acquiring the charging parameters and reserved charging parameters of the vehicle power battery;
the comparison module is used for comparing the reserved charging parameters with the charging parameters;
the control module is used for controlling the vehicle power battery to finish charging according to the charging parameters in a normal charging mode; in the reserved charging mode, the method is used for controlling the vehicle power battery to finish charging according to the reserved charging parameters;
and the alarm module is used for prompting a user to reset the reserved charging parameters.
In a third aspect, an embodiment of the present application further provides a vehicle, including:
one or more processors;
a storage means for storing one or more programs;
the vehicle comprises a user operation interface, a vehicle controller, a vehicle-mounted alternating-current charger, an alternating-current charging port and a vehicle power battery;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of controlling reserved charging of a vehicle as set forth in any one of the first aspects.
In a fourth aspect, an embodiment of the present application further provides a storage medium having stored thereon a computer program which, when executed by a processor, implements the method for controlling reserved charging of a vehicle as provided in the first aspect.
The control method for the reserved charging of the vehicle provided by the embodiment of the invention is different from the method for the reserved charging of the vehicle, which takes the fastest speed as the vehicle to finish charging in the prior art, and takes the slower speed as much as possible as the vehicle to finish charging in the charging time acceptable to the user as the target, is suitable for the situation that the user has sufficient charging time and is not urgent to finish charging in a short time, the reserved charging parameters are set by the user on the user operation interface, the vehicle controller controls the vehicle-mounted alternating-current charger to finish charging operation according to the reserved charging parameters set by the user, and the charging speed is actively reduced, so that the vehicle power battery reaches the target storage capacity in the charging stop time, and the service life of the battery is protected.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a reserved charging structure of a vehicle according to the present invention;
fig. 2 is a schematic flow chart of a method for controlling reserved charging of a vehicle according to the present invention;
fig. 3 is a flow chart of another method for controlling reserved charging of a vehicle according to the present invention;
fig. 4 is a schematic diagram of a normal charging curve of reserved charging of a vehicle according to the present invention;
fig. 5 is a schematic diagram of a reserved charging curve of reserved charging of a vehicle according to the present invention;
fig. 6 is a schematic diagram of a control program for reserving charging for a vehicle according to the present invention;
fig. 7 is a flow chart of another method for controlling reserved charging of a vehicle according to the present invention;
fig. 8 is a flow chart of another method for controlling reserved charging of a vehicle according to the present invention;
fig. 9 is a schematic flow chart of another method for controlling reserved charging of a vehicle according to the present invention;
fig. 10 is a schematic diagram of another control device for vehicle reserved charging according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be fully described below by way of specific embodiments with reference to the accompanying drawings in the examples of the present invention. It is apparent that the described embodiments are some, but not all, embodiments of the present invention, and that all other embodiments, which a person of ordinary skill in the art would obtain without making inventive efforts, are within the scope of this invention.
Examples
The embodiment of the invention provides a control method for reserved charging of a vehicle, which can control reserved charging of a new energy vehicle. Fig. 1 is a schematic diagram of reserved charging of a vehicle according to the present invention. Referring to fig. 1, an embodiment of the present invention provides a charging device, specifically, a new energy vehicle, in which a programmable computer is disposed, the vehicle includes: one or more processors (not shown); storage means (not shown in the figure) for storing one or more programs; the vehicle-mounted alternating-current charger comprises a user operation interface 10, a vehicle controller 20, a vehicle-mounted alternating-current charger 30, an alternating-current charging port 40 and a vehicle power battery 50; the one or more programs, when executed by the one or more processors, cause the one or more processors to implement a method for controlling reserved charging of a vehicle as provided in the following embodiments. The whole vehicle controller 20 is respectively connected with the user operation interface 10 and the vehicle-mounted ac charger 30, the vehicle-mounted ac charger 30 is connected with the ac charging port 40, the ac charging port 40 is electrically connected with the vehicle power battery 50 through the electric control switches K1 and K2, when the vehicle power battery 50 is charged, the ac charging gun 60 is in butt joint with the ac charging port 40, and the charging pile 70 provides charging voltage.
Based on the same inventive concept, the embodiment of the invention provides a control method for vehicle reserved charging, which is suitable for the situation that a user has sufficient charging time without being urgent to complete charging in a short time, and fig. 2 is a flow diagram of the control method for vehicle reserved charging. Referring to fig. 1 and fig. 2, a method for controlling reserved charging of a vehicle according to an embodiment of the present invention includes:
s101, acquiring a charging mode of the vehicle.
Specifically, the charging modes of the vehicle include a normal charging mode and a reserved charging mode, wherein the normal charging mode refers to a fastest charging scheme that the vehicle can achieve on the premise that the vehicle and the power battery are affected by temperature, current, voltage and the like. The reserved charging mode refers to a mode in which a vehicle user performs reserved charging parameter setting using a user operation interface 10, or a user remotely operates through a mobile phone, etc., as shown in fig. 1, in the case where a sufficient charging period is provided, the reserved charging mode being prone to low-current slow charging based on the consideration of prolonging the battery life; in the reservation process, the vehicle whole controller 20 judges whether the reserved charging parameters set by the user are reasonable or not, and starts the charging of the vehicle power battery 50 based on the reasonable reserved charging parameters.
S102, acquiring normal charging parameters of a vehicle power battery according to the charging mode.
Specifically, referring to fig. 1, the vehicle controller 20 determines a charging mode of the vehicle based on a user setting, starts a normal charging mode or a reserved charging mode, and the vehicle controller 20 obtains a current charge amount and a full charge amount of the vehicle power battery 50, and determines charging parameters such as a charging duration and a charging current of the full charge amount of the vehicle power battery 50.
When the normal charging mode is started:
and S103, controlling the vehicle power battery to finish charging according to the normal charging parameters.
Specifically, when the charging mode of the vehicle is the normal charging mode, the vehicle whole vehicle controller 20 controls the electric control switches K1 and K2 to be turned on, and the vehicle power battery 50 controls the vehicle-mounted ac charger 30 to complete charging of the vehicle power battery 50 according to the calculated charging parameters such as the charging duration and the charging current of the full-load power storage of the vehicle power battery 50.
Starting a reserved charging mode:
s104, continuing to acquire reserved charging parameters.
Specifically, when the user autonomously sets the reserved charging parameters according to the travel plan, the reserved charging mode is started, and the vehicle controller 20 obtains the reserved charging parameters set by the user operation interface 10 at the current moment, where the reserved charging parameters may include, but are not limited to, reserved charging start time, reserved charging duration, reserved charging end time, target storage capacity, and the like, and calculates the reserved charging current for charging the vehicle power battery 50 to the target storage capacity based on the reserved parameters.
S105, controlling the vehicle power battery to finish charging according to the reserved charging parameters according to the comparison result of the reserved charging parameters and the normal charging parameters; or prompt the user to reset the reserved charge parameters.
Specifically, the whole vehicle controller 20 compares the normal charging parameter with the reserved charging parameter, and determines whether the charging speed under the reserved charging parameter set by the user is smaller than the charging speed under the normal charging parameter.
When the charging speed under the reserved charging parameters is less than or equal to the charging speed under the normal charging parameters, the vehicle controller 20 controls the vehicle-mounted alternating-current charger 30 to complete the target storage capacity of the vehicle power battery 50 according to the reserved charging parameters set by the user, and the vehicle is charged at a slower charging speed; when the charging speed under the reserved charging parameter is higher than the charging speed under the normal charging parameter, which indicates that the charging speed reserved by the user is too fast, the vehicle cannot meet the user demand, and the vehicle controller 20 transmits an early warning signal to the user operation interface 10 to prompt the user to reset the reserved charging parameter.
In summary, the control method for reserved charging of the vehicle battery provided by the embodiment of the application is different from the method for controlling reserved charging of the vehicle battery in the prior art, which aims at taking the fastest speed as the vehicle to finish charging, but aims at taking the slower charging speed as much as possible as the vehicle to finish charging within the charging time acceptable to the user, is suitable for the situation that the user has sufficient charging time and is not urgent to finish charging within a short time, the user sets reserved charging parameters on a user operation interface, and the vehicle controller controls the vehicle-mounted alternating-current charger to finish charging operation according to the reserved charging parameters set by the user, and ensures that the vehicle power battery reaches the target storage capacity in reserved charging stop time by actively reducing the charging speed, so that the service life of the battery is protected.
Fig. 3 is a flow chart of another method for controlling reserved charging of a vehicle according to the present invention; fig. 4 is a schematic diagram of a normal charging curve of reserved charging of a vehicle according to the present invention; fig. 5 is a schematic diagram of a reserved charging curve of reserved charging of a vehicle. In FIG. 4 and FIG. 5, X.gtoreq.0, the abscissa indicates time, the left ordinate indicates SOC, and the right ordinate indicates charging current I. On the basis of the above embodiment, the normal charging parameters include the current time and the normal charging end time, and the reserved charging parameters include the reserved charging start time and the reserved charging end time. Referring to fig. 1 and fig. 3 to fig. 5, the method for controlling reserved charging of a vehicle according to the embodiment of the present invention includes:
s201, acquiring a charging mode of the vehicle.
With continued reference to fig. 1 and 2 in the above embodiments.
When the normal charging mode is started:
s202, calculating normal charging time from the current time to the normal charging end time according to the charging mode, wherein the vehicle power battery finishes charging.
S203, controlling the vehicle power battery to finish charging according to the normal charging time.
Specifically, referring to fig. 4, the vehicle controller 20 determines that the charging mode of the vehicle is the normal charging mode, calculates a normal charging period from the current time to the normal charging end time, where the charging of the vehicle power battery is completed, and as shown in fig. 4, the normal charging period is t1.
For example, referring to fig. 1 and 4, the user starts the normal charging of the vehicle at 8 pm, the current charge capacity is X, the SOC of the vehicle power battery 50 is increased from X to 100%, the next 3 am is full, the normal charging current for completing the charging is calculated to be I1 according to the charge capacity of the vehicle power battery 50 at the current moment and the full charge capacity of the vehicle power battery 50, and the charging duration is 7 hours; the vehicle controller 20 controls the vehicle-mounted ac charger 30 to charge the vehicle power battery 50 in the period of t1, and the control interface 10 can also display the SOC charging condition of the vehicle power battery 50 in real time as shown in fig. 4, where the curve a indicates that the SOC is increased from X to 100%.
Wherein, the full charge capacity (SOC) refers to the charge capacity of the vehicle power battery being 100%, namely, SOC100%; that is, SOC50% means that the charge capacity of the vehicle power battery is 50%.
When the reserved charging mode is started:
s204, acquiring a reserved charging start time and a reserved charging end time.
S205, judging whether the reserved charging start time is later than the current time.
If yes, go to step S206; if not, step S207 is performed.
S206, controlling the vehicle power battery to finish charging according to the reserved charging starting time and the reserved charging ending time.
Specifically, in the case that the vehicle user has sufficient charging duration as shown in fig. 1 and 5, in consideration of prolonging the service life of the battery, the vehicle controller 20 sets the charging mode of the vehicle to the reserved charging mode, and if the reserved charging start time set by the user is later than the current time, the vehicle controller 20 determines that the reserved charging meets the reserved charging time setting at this time, and in combination with the embodiment shown in fig. 5, the vehicle controller 20 controls the vehicle-mounted ac charger 30 to charge the vehicle power battery 50 in the t2 time period, and the control interface 10 may also display the SOC charging condition of the vehicle power battery 50 as shown in fig. 5 in real time.
S207, prompting the user to reset the reserved charging start time and the reserved charging end time.
Specifically, the user manipulation interface 10 prompts the user for the following information: the reservation is unreasonable, and the reserved charging start time should be later than the current time.
Fig. 6 is a schematic diagram of a reservation procedure for reserving charging for a vehicle according to the present invention; fig. 7 is a flow chart of another method for controlling reserved charging of a vehicle according to the present invention. On the basis of the above embodiment, the charging parameters further include a current charge capacity and a full charge capacity, and the reserved charging parameters further include a target charge capacity. Referring to fig. 6, the user sets a reserved charge start time and a reserved charge end time, the vehicle starts a reserved charge mode, and the user manipulation interface prompts the user for the following information: and (3) the current charge capacity, the normal charge duration of normal charge filling and the like at the current time.
Referring to fig. 7, the method for controlling reserved charging of a vehicle according to the embodiment of the present invention includes:
s301, acquiring a reserved charging start time and a reserved charging end time set by a user.
S302, judging whether the reserved charging start time is later than the current time.
As shown in fig. 6 and 7, the system determines whether the reserved charging start time is later than the current time, and if so, step S303 is executed; if not, go to step S306.
S303, obtaining a target storage capacity, and calculating the current storage capacity and the full-load storage capacity of the vehicle power battery.
S304, judging whether the target storage capacity is in the range of the current storage capacity and the full storage capacity.
If yes, go to step S305; if not, step S307 is performed.
Referring to fig. 6 and 7, the system determines whether the target charge amount is greater than the current charge amount SOC:
if the current storage capacity SOC is less than or equal to the target storage capacity SOC less than 100%, the user control interface prompts the user the following information: normally charging until the charging time length for setting the target storage capacity SOC by a user; the user sets the charge start time to start, and normal charge is performed to the charge end time for the user to set the target charge amount SOC.
If the target storage capacity is less than the current storage capacity SOC, the user controls the interface prompt information: the reservation is unreasonable and the target charge capacity SOC should be greater than the current SOC.
If the target storage capacity is more than 100% of SOC, the user controls the interface prompt information: the reservation is unreasonable and the target charge capacity SOC should be less than SOC100%.
And S305, controlling the vehicle power battery to finish charging according to the target storage capacity.
Specifically, the system calculates the normal charging current I1 for completing charging and calculates the reserved charging current I2 according to the current charge capacity of the vehicle power battery 50, the full charge capacity target charge capacity, the reserved charging start time and the reserved charging end time, the reserved charging current I2 is smaller than the normal charging current I1, the reserved charging start time is later than the current time, and the reserved charging mode is started.
For example, referring to fig. 1 and 5, the user sets the reserved charging at 8 pm through the user operation interface 10, the current charge capacity is X, the target charge capacity is SOC100%, the system calculates that the SOC of the vehicle power battery 50 is increased from X to 100%, the next 3 am is full, when the reserved charging end time set by the user is later than 3 am, which indicates that the reserved charging meets the setting of completing the charging of the vehicle at a slower speed, and then controls the vehicle-mounted ac charger 30 to adjust the charging current to complete the charging of the vehicle power battery 50 at the reserved charging current I2, the reserved charging start time and the reserved charging end time. After starting charging, as shown in fig. 5, the charging speed of the reserved charging curve B is slower than that of the normal charging curve a, but the SOC is brought to the target charge capacity at the reserved charging end time (charging stop time) set by the user, so as to achieve the goal of prolonging the charging life of the battery, where the user control interface 10 may also display the SOC charging condition of the vehicle power battery 50 as shown in fig. 5 in real time.
S306, prompting the user to reset the reserved charging starting time and the reserved charging ending time.
S307, prompting the user to reset the target storage capacity.
Specifically, as shown in fig. 1 and fig. 6, when the vehicle user has sufficient charging duration, in consideration of prolonging the service life of the battery, the charging mode of the vehicle is set to be a reserved charging mode, the system acquires the current time set by the user and the preset charging start time set by the user, judges whether the preset charging start time set by the user is reasonable or not, if the reserved charging start time is earlier than the current time, the vehicle is controlled to prompt an interface, the reservation is unreasonable, and the charging start time is later than the current time.
When the reserved charging start time is later than the current time, the system further obtains a target storage capacity set by a user, judges whether the target storage capacity is between the current storage capacity and the full-load storage capacity of the vehicle power battery, if so, the reserved charging is reasonable, and then controls the vehicle-mounted alternating-current charger 30 to adjust the charging current so as to finish charging the vehicle power battery 50 with the target storage capacity. If not, the vehicle control interface prompts that the reservation is unreasonable, and the target storage capacity is smaller than or equal to the full-load storage capacity.
Fig. 8 is a flow chart of another method for controlling reserved charging of a vehicle according to the present invention. On the basis of the embodiment, the charging parameters further comprise normal charging duration, and the reserved charging parameters further comprise reserved charging duration; referring to fig. 8, a method for controlling reserved charging of a vehicle according to an embodiment of the present invention includes:
s401, acquiring a reserved charging start time and a reserved charging end time set by a user.
S402, judging whether the reserved charging start time is later than the current time.
If yes, go to step S403; if not, step S409 is performed.
S403, obtaining a target storage capacity, and calculating the current storage capacity and the full-load storage capacity of the vehicle power battery.
S404, judging whether the target storage capacity is in the range of the current storage capacity and the full storage capacity.
If yes, go to step S405; if not, go to step S410.
S405, calculating normal charging time from the current moment to the target storage capacity.
S406, acquiring reserved charging time length of the vehicle power battery.
Specifically, referring to fig. 6, the user sets a charging end time or a reserved charging time period, and the system acquires the reserved charging time period set by the user and calculates a normal charging time period from the current time to the completion of charging the vehicle power battery.
S407, judging whether the reserved charging time period is longer than the normal charging time period.
Referring to fig. 6, the system determines whether the reserved charging period is longer than the normal charging period, and if so, performs step S408; if not, go to step S411.
S408, a reserved charging curve is generated, and the vehicle power battery is controlled to complete charging according to the reserved charging curve.
Specifically, as shown in fig. 5 and 6, the reserved charging curve B is generated by reserving the charging start time, the target storage capacity and the reserved charging time period, the charging speed is reduced, and the vehicle power battery is controlled to complete charging according to the reserved charging curve B. The reserved charging curve B includes parameters such as a current storage capacity, a target storage capacity, a reserved charging start time, a reserved charging end time, a reserved charging current I2, and a reserved charging time period t 2. The indication of the reduced charging speed may be issued by any one of the vehicle controller, the battery controller, and the charging controller.
Referring to fig. 5, the reserved charging curve B is implemented by reducing the charging current, and the reserved charging current I2 is calculated as follows:
in normal charging, the vehicle is charged from the SOC (SOC start) at the start of charging to the target charge SOC (SOC target) by C1 (unit Ah), the normal charging current is I1 (a), and the time taken is t1 (h).
When charging is reserved, the vehicle is charged from the SOC (SOC start) at the start of charging to the target charge SOC (SOC target) by C2 (unit Ah), the reserved charging current is I2 (a), and the time taken is t2 (h).
C1 = (SOC target-SOC start) ×battery pack total capacity C;
C1＝C2；
C2＝I2×t2；
i2 = (SOC target-SOC start) ×c/t2;
the SOC target and the reserved charging time period t2 are set by a user, the SOC is detected by the vehicle, C is an intrinsic parameter of the battery pack, and I2 is obtained through the calculation mode.
S409, prompting a user to reset the reserved charging start time and the reserved charging end time.
S410, prompting the user to reset the target storage capacity.
S411, prompting the user to reset the reserved charging time.
Specifically, when the reservation is not reasonable, as shown in the reservation flow chart 6, the vehicle control interface popup dialog prompts the user for the reason of the unreasonable reservation and recommends a reservation method. The user is continuously prompted to reset the charging end time or reserve the charging duration.
On the basis of the above embodiment, the control method may further provide a reserved charging parameter range according to the total charge amount and the normal charge current of the vehicle power battery, and prompt the user to reset the reserved charging parameter in the reserved charging parameter range.
Illustratively, a user is provided with a selectable range of reserved charge start times and reserved charge end times; providing a range of target charge capacities to a user; providing the user with an optional reserved charge duration, etc.
Fig. 9 is a flow chart of another method for controlling reserved charging of a vehicle according to the present invention. On the basis of the above embodiment, after the reserved charging curve B is generated, the vehicle battery is charged in the reserved charging mode, and as shown in fig. 9, in the process of controlling the vehicle power battery to complete charging according to the reserved charging parameters, the control method further includes;
and acquiring an abnormal parameter signal of the vehicle power battery.
And controlling the vehicle power battery to stop charging and controlling the vehicle to alarm according to the abnormal charging parameter signal.
Specifically, as shown in connection with fig. 9, the system starts:
s501, the system judges whether a charging cable is connected.
If yes, go to step S502; if not, step S511 is performed.
S502, judging whether to start reservation charging.
If yes, go to step S503; if not, step S507 is executed.
S503, charging starts with the approximate charging curve B.
S504, judging whether the operation is abnormal.
If yes, go to step S511; if not, step S505 and step S506 are executed.
S505, judging whether the target SOC is reached.
If yes, go to step S511; if not, the process continues to step S504.
S506, judging whether the user actively disconnects the charging cable.
If yes, go to step S511; if not, the process continues to step S504.
S507, charging with the normal charging curve a is started.
S508, judging whether the operation is abnormal.
If yes, go to step S511; if not, step S509 and step S510 are performed.
S509, judging whether the SOC reaches 100%.
If yes, go to step S511; if not, the process continues to step S508.
S510, judging whether a user actively disconnects the charging cable.
If yes, go to step S511; if not, the process continues to step S508.
And S511, ending the charging.
In actual use, the vehicle controller 20 monitors abnormal parameter signals of the vehicle power battery in real time, wherein the abnormal parameter signals refer to abnormal states such as over-temperature, over-voltage, under-voltage, short circuit, open circuit and the like, and when abnormal conditions occur or a user actively stops charging, battery charging is also caused to stop.
Based on the same inventive concept, the embodiment of the invention also provides a control device for vehicle reserved charging, which can execute the control method for vehicle reserved charging provided by the embodiment of the invention, wherein the control device for vehicle reserved charging can be composed of software and/or hardware and can be integrated into a microprocessor with a programmable function. Fig. 10 is a schematic diagram of another control device for vehicle reserved charging according to the present invention. Referring to fig. 10, the modeling apparatus includes:
a charging mode acquisition module 10 for acquiring a charging mode of the vehicle;
a parameter obtaining module 20, configured to obtain a charging parameter and a reserved charging parameter of a vehicle power battery;
a comparison module 30 for comparing the reserved charging parameter with the charging parameter;
the control module 40 is used for controlling the vehicle power battery to complete charging according to the charging parameters in the normal charging mode; in the reserved charging mode, the method is used for controlling the vehicle power battery to finish charging according to reserved charging parameters;
the alarm module 50 is used for prompting the user to reset the reserved charging parameters.
The control device for vehicle reserved charging provided by the embodiment of the invention can execute the control method for vehicle reserved charging provided by the embodiment of the invention, is different from the method for achieving the purpose of achieving the charge of the vehicle at the fastest speed in the prior art by controlling the vehicle reserved charging, and is applicable to the situation that a user has sufficient charging duration without being urgent to achieve the charge in a short time by taking the purpose of achieving the charge of the vehicle at the slower speed in the charging duration acceptable by the user as the goal, the user sets reserved charging parameters on the user operation interface, and the vehicle controller controls the vehicle-mounted alternating-current charger to achieve the charging operation according to the reserved charging parameters set by the user, and achieves the goal charge capacity of the vehicle power battery in the charging stop time by actively reducing the charging speed so as to avoid the problem of the damage of the service life of the battery caused by the quick charging.
Based on the same inventive concept, the embodiment of the present invention also provides a storage medium having stored thereon a computer program which, when executed by a processor, implements the control method for reserved charging of a vehicle as provided in the above embodiment.
Specifically, the storage medium provided by the present invention may access the calculation formula provided in the above embodiment when executing the control method for reserved charging of the vehicle provided in the above embodiment. Any combination of one or more computer readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access Memory (Random Access Memory, RAM), a Read-Only Memory (ROM), an erasable programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), a flash Memory, an optical fiber, a portable CD-ROM, an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. A computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to: electromagnetic signals, optical signals, or any suitable combination of the preceding. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, radio Frequency (RF), and the like, or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. Those skilled in the art will appreciate that the invention is not limited to the specific embodiments described herein, and that features of the various embodiments of the invention may be partially or fully coupled or combined with each other and may be co-operated and technically driven in various ways. Various obvious changes, rearrangements, combinations and substitutions can be made by those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. A control method for reserved charging of a vehicle, characterized in that the control method comprises:
acquiring a charging mode of a vehicle;
acquiring normal charging parameters of a vehicle power battery according to the charging mode;
in a normal charging mode, controlling the vehicle power battery to complete charging according to the normal charging parameters;
continuously acquiring reserved charging parameters in the reserved charging mode;
comparing the reserved charging parameter with the normal charging parameter;
and controlling the vehicle power battery to finish charging according to the reserved charging parameters or prompting a user to reset the reserved charging parameters according to the comparison result of the reserved charging parameters and the normal charging parameters.
2. The control method according to claim 1, wherein the normal charging parameter includes a current time and a normal charging end time, and the reserved charging parameter includes a reserved charging start time and a reserved charging end time;
acquiring normal charging parameters of a vehicle power battery, including:
calculating normal charging time length from the current time to the normal charging end time when the vehicle power battery is charged;
continuing to acquire the reserved charging parameters, including:
acquiring a reserved charging start time and a reserved charging end time;
and controlling the vehicle to finish charging or prompting a user to reset the reserved charging parameters according to the comparison result of the reserved charging parameters and the normal charging parameters, wherein the method comprises the following steps of:
judging whether the reserved charging starting time is later than the current time or not;
if so, controlling the vehicle power battery to finish charging according to the reserved charging starting time and reserved charging ending time;
if not, prompting the user to reset the reserved charging starting time and the reserved charging ending time.
3. The control method according to claim 2, characterized in that the charging parameters further include a current charge capacity and a full charge capacity, and the reserved charging parameters further include a target charge capacity;
before judging that the reserved charging start time is later than the current time and controlling the vehicle power battery to finish charging according to the reserved charging start time and the reserved charging end time, the method further comprises the following steps:
acquiring a target storage capacity, and calculating the current storage capacity and full-load storage capacity of a vehicle power battery;
judging whether the target storage capacity is within the range of the current storage capacity and the full storage capacity;
if yes, controlling the vehicle power battery to finish charging according to the target storage capacity;
if not, prompting the user to reset the target storage capacity.
4. The control method according to claim 3, wherein the reserved charging parameter further includes a reserved charging period;
before the target storage capacity is judged to be in the range of the current storage capacity and the full storage capacity, the method further comprises the following steps:
calculating the normal charging time length from the current moment to the target storage capacity of the vehicle power battery;
acquiring reserved charging time length of a vehicle power battery;
judging whether the reserved charging time length is longer than the normal charging time length;
if so, generating a reserved charging curve, and controlling the vehicle power battery to finish charging according to the reserved charging curve;
if not, prompting the user to reset the reserved charging time length.
5. The control method according to claim 4, characterized in that the normal charging parameter includes a normal charging current;
acquiring normal charging parameters of a vehicle power battery, further comprising:
calculating the normal charging current of a vehicle power battery;
and controlling the vehicle power battery to finish charging according to the reserved charging parameters, and further comprising:
calculating reserved charging current;
and when the reserved charging current is smaller than the normal charging current, controlling the vehicle power battery to complete charging according to the reserved charging current.
6. The control method according to claim 1, wherein prompting the user to reset the reserved charging parameter comprises:
and providing a reserved charging parameter range, and prompting a user to reset reserved charging parameters in the reserved charging parameter range.
7. The control method according to claim 5, characterized in that, in controlling the vehicle power battery to complete the charging process in accordance with the reserved charging parameter, the control method further comprises;
acquiring an abnormal parameter signal of a vehicle power battery;
and controlling the vehicle power battery to stop charging and controlling the vehicle to alarm according to the abnormal charging parameter signal.
8. A control apparatus for reserving charge for a vehicle, for executing the control method according to any one of claims 1 to 7, characterized by comprising:
the charging mode acquisition module is used for acquiring a charging mode of the vehicle;
the parameter acquisition module is used for acquiring the charging parameters and reserved charging parameters of the vehicle power battery;
the comparison module is used for comparing the reserved charging parameters with the charging parameters;
the control module is used for controlling the vehicle power battery to finish charging according to the charging parameters in a normal charging mode; in the reserved charging mode, the method is used for controlling the vehicle power battery to finish charging according to the reserved charging parameters;
and the alarm module is used for prompting a user to reset the reserved charging parameters.
9. A vehicle, comprising:
one or more processors;
a storage means for storing one or more programs;
the vehicle comprises a user operation interface, a vehicle controller, a vehicle-mounted alternating-current charger, an alternating-current charging port and a vehicle power battery;
when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement the method of controlling reserved charging of a vehicle as claimed in any one of claims 1 to 7.
10. A storage medium having stored thereon a computer program which, when executed by a processor, implements a method of controlling reserved charging of a vehicle as claimed in any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410015744.4A CN117774720A (en) | 2024-01-04 | 2024-01-04 | Control method and control device for reserved charging of vehicle, vehicle and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410015744.4A CN117774720A (en) | 2024-01-04 | 2024-01-04 | Control method and control device for reserved charging of vehicle, vehicle and storage medium |
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| CN117774720A true CN117774720A (en) | 2024-03-29 |
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| CN202410015744.4A Pending CN117774720A (en) | 2024-01-04 | 2024-01-04 | Control method and control device for reserved charging of vehicle, vehicle and storage medium |
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| CN (1) | CN117774720A (en) |
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