CN112109588A - Charging control method, power automobile and readable storage medium - Google Patents
Charging control method, power automobile and readable storage medium Download PDFInfo
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- CN112109588A CN112109588A CN202010556268.9A CN202010556268A CN112109588A CN 112109588 A CN112109588 A CN 112109588A CN 202010556268 A CN202010556268 A CN 202010556268A CN 112109588 A CN112109588 A CN 112109588A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 185
- 238000004590 computer program Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging control method, a power automobile and a readable storage medium, which comprise the following steps: detecting whether a power supply device is accessed; if yes, detecting whether preset parameters sent by a user through an external terminal are received; and when receiving preset parameters sent by a user through an external terminal, performing preset operation on the battery according to the preset reference, wherein the preset operation comprises heating operation and/or charging operation. The heating operation and the charging operation of the battery are carried out through the preset parameters set by the user, the situation that the heating parameters and the charging parameters cannot be set by the user in the past is changed, a flexible and changeable charging strategy is realized, and the actual requirements of the user can be met.
Description
Technical Field
The invention relates to the technical field of power automobile charging, in particular to a charging control method, a power automobile and a storage medium.
Background
The power battery in the power automobile is generally a lithium ion battery, and when the lithium ion power battery is charged under a low temperature condition, heating and charging in a fixed mode can be performed according to factory-set heating parameters and charging parameters, but in an actual use process, a user cannot set the heating parameters and the charging parameters according to the needs of the user.
Disclosure of Invention
The invention provides a charging control method, a power automobile and a readable storage medium, and aims to solve the problem that a user cannot set heating parameters and charging parameters according to the requirement of the user in the actual use process.
In order to achieve the above object, the present invention provides a charging control method, including the steps of:
detecting whether a power supply device is accessed;
if yes, detecting whether preset parameters sent by a user through an external terminal are received;
and when receiving preset parameters sent by a user through an external terminal, performing preset operation on the battery according to the preset reference, wherein the preset operation comprises heating operation and/or charging operation.
Optionally, the step of performing a preset operation on the battery according to the preset reference includes:
acquiring preset parameters, wherein the preset parameters comprise a preset heating temperature, a battery SOC value corresponding to heating start and a battery SOC value corresponding to heating stop;
and performing preset operation on the battery according to the preset heating temperature, the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop.
Optionally, the step of performing a preset operation on the battery according to the preset heating temperature, the battery SOC value corresponding to the heating start, and the battery SOC value corresponding to the heating stop includes:
judging whether the preset heating temperature is greater than the actual temperature of the battery or not;
if so, determining the relation among the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop and the actual battery SOC value;
when the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop are equal to the actual SOC value of the battery, heating the battery;
and when the actual temperature of the battery reaches the preset heating temperature, stopping the heating operation of the battery and charging the battery.
Optionally, after the step of determining the relationship between the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop, and the actual battery SOC value, the method further includes:
when the battery SOC value corresponding to the heating start is equal to the battery SOC value corresponding to the heating stop and the battery SOC value corresponding to the heating stop is larger than the actual battery SOC value, preheating the battery to enable the actual battery temperature to reach the default temperature;
when the actual temperature of the battery reaches the default temperature, performing charging operation on the battery;
and stopping the heating operation of the battery when the actual SOC value of the battery reaches the SOC value of the battery corresponding to the heating stop.
Optionally, after the step of determining the relationship between the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop, and the actual battery SOC value, the method further includes:
when the SOC value of the battery corresponding to the heating start is larger than the actual SOC value of the battery and smaller than the SOC value of the battery corresponding to the heating stop, preheating the battery to enable the actual temperature of the battery to reach the default temperature;
when the actual temperature of the battery reaches the default temperature, performing charging operation on the battery;
when the actual temperature of the battery reaches the preset heating temperature and the actual SOC value of the battery does not reach the heating stop corresponding SOC value of the battery, the actual temperature of the battery is controlled within the preset heating temperature range, and the actual SOC value of the battery reaches the heating stop corresponding SOC value of the battery, the heating operation of the battery is stopped.
Optionally, after the step of determining the relationship between the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop, and the actual battery SOC value, the method further includes:
when the SOC value of the battery corresponding to the heating start is larger than the actual SOC value of the battery and smaller than the SOC value of the battery corresponding to the heating stop and the SOC value of the battery corresponding to the heating stop is 100%, preheating the battery to enable the actual temperature of the battery to reach the default temperature;
when the actual temperature of the battery reaches the default temperature, performing charging operation on the battery;
when the actual SOC value of the battery reaches 100%, the heating operation of the battery is stopped and the charging operation of the battery is stopped.
Optionally, after the step of performing the preset operation on the battery according to the preset reference, the method further includes:
judging whether the battery is fully charged;
and if so, controlling the actual temperature of the battery within a preset temperature range.
Optionally, after the step of detecting whether the preset parameter sent by the user through the external terminal is received, the method further includes:
if so, performing default operation on the battery according to the default parameters.
In addition, to achieve the above object, the present invention also provides a power automobile including: a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the charging control method as described above.
Further, to achieve the above object, the present invention also provides a readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the charging control method as described above.
The invention detects whether to access the power supply equipment; if yes, detecting whether preset parameters sent by a user through an external terminal are received; and when receiving preset parameters sent by a user through an external terminal, performing preset operation on the battery according to the preset reference, wherein the preset operation comprises heating operation and/or charging operation. The heating operation and the charging operation of the battery are carried out through the preset parameters set by the user, the situation that the heating parameters and the charging parameters cannot be set by the user in the past is changed, a flexible and changeable charging strategy is realized, and the actual requirements of the user can be met.
Drawings
FIG. 1 is a schematic diagram of a hardware structure of a power automobile according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a charging control method according to a first embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a hardware structure of a power automobile provided by the present invention.
The power automobile may include components such as a memory 10 and a processor 20 in addition to a body structure, a powertrain, and the like. In the motor vehicle, the processor 20 is connected to the memory 10, and the memory 10 stores a computer program that is executed by the processor 20, and when executed, implements the steps of the following method embodiment.
The memory 10 may be used to store software programs and various data. The memory 10 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (for example, acquiring preset parameters), and the like; the storage data area may include a database, and the storage data area may store data or information created according to the use of the power car, or the like. Further, the memory 10 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 20, which is a control center of the electric vehicle, connects various parts of the entire electric vehicle by using various interfaces and lines, and performs various functions and processes of the electric vehicle by operating or executing software programs and/or modules stored in the memory 10 and calling data stored in the memory 10, thereby performing overall monitoring of the electric vehicle. Processor 20 may include one or more processing units; alternatively, the processor 20 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 20.
Those skilled in the art will appreciate that the configuration of the powered vehicle shown in FIG. 1 is not intended to be limiting of powered vehicles and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
Based on the hardware structure, various embodiments of the method of the invention are provided.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of a charging control method according to the present invention, in which the method includes:
step S10, detecting whether to access the power supply equipment;
step S20, if yes, detecting whether preset parameters sent by a user through an external terminal are received;
and step S30, when receiving preset parameters sent by a user through an external terminal, performing preset operation on the battery according to the preset reference, wherein the preset operation comprises heating operation and/or charging operation.
Whether the power supply equipment is connected or not is detected in the embodiment, wherein the power supply equipment comprises external power supply equipment and can also be a battery module of a power automobile, when the power supply equipment is connected, whether preset parameters sent by a user through an external terminal are received or not is detected, specifically, when the user needs to charge and heat the battery in actual use, the user can set corresponding parameter values on an application program of the external terminal such as a mobile terminal, when the preset parameters sent by the user through the external terminal are received, the battery is subjected to preset operation according to the preset parameters, wherein the preset operation comprises heating operation and/or charging operation, the user can set the heating parameters and the charging parameters according to own needs, the battery is charged more flexibly, and meanwhile, the power supply equipment is convenient for the user to use.
Further, a second embodiment of the charging control method of the present invention is proposed based on the first embodiment of the charging control method of the present invention, and in this embodiment, the step S20 includes:
step S21, acquiring preset parameters, wherein the preset parameters comprise a preset heating temperature, a battery SOC value corresponding to heating start and a battery SOC value corresponding to heating stop;
and step S22, performing preset operation on the battery according to the preset heating temperature, the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop.
In this embodiment, a preset parameter value is first obtained, where the preset parameter value includes a preset heating temperature, a battery SOC value corresponding to heating start, and a battery SOC value corresponding to heating stop, where SOC is fully called State of Charge, that is, a battery State of Charge, also called a remaining power, and represents a ratio of a remaining dischargeable power after the battery is used for a period of time or left unused for a long time to a power of a fully charged State thereof, and is expressed by a common percentage. The battery is generally represented by one byte, namely a hexadecimal system of two bits (the value range is 0-100), the meaning is that the residual capacity is 0% -100%, when the SOC is 0, the battery is completely discharged, and when the SOC is 100%, the battery is completely full. And heating and charging the battery according to the preset heating temperature, the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop. The user can set heating parameters and charging parameters according to own needs, so that the battery charging is more flexible, and meanwhile, the battery charging system is convenient for the user to use.
Further, a third embodiment of the charging control method of the present invention is proposed based on the second embodiment of the charging control method of the present invention, and in this embodiment, step S22 includes:
step S40, judging whether the preset heating temperature is larger than the actual temperature of the battery;
step S41, if yes, determining the relation between the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop and the actual battery SOC value;
step S42, when the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop are equal to the actual SOC value of the battery, heating the battery;
and step S43, stopping the heating operation of the battery and charging the battery when the actual temperature of the battery reaches the preset heating temperature.
In this embodiment, first, whether the preset heating temperature is higher than the actual temperature of the battery is determined, when the preset heating temperature is higher than the actual temperature of the battery, the relationship between the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop, and the actual battery SOC value is determined, when the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop, and the actual battery SOC value are equal, the battery is heated only initially without the user wanting to perform a charging operation, the actual temperature of the battery is increased after the battery is heated for a period of time, when the actual battery temperature reaches the preset heating temperature, the battery heating operation is stopped while the battery is charged, for example, the actual temperature of the battery is-10 ℃, the actual SOC value of the battery is 10%, a user only wants to heat the battery first in actual use, the user can set the preset heating temperature in preset parameters to 10 ℃, the SOC value of the battery corresponding to heating start and the SOC value of the battery corresponding to heating stop to 10%, the actual temperature of the battery is lower than the preset heating temperature, namely-10 ℃ is lower than 10 ℃, the SOC value of the battery corresponding to heating start is equal to the actual SOC value of the battery corresponding to heating stop and is equal to 10%, the battery is only heated, when the actual temperature of the battery reaches 10 ℃, the battery heating operation is stopped and the battery is charged, it needs to be noted that the preset heating temperature range in the preset parameters which can be set by the user is greater than or equal to 5 ℃ and less than 25 ℃, the SOC value of the battery corresponding to heating start and the SOC value of the battery corresponding to heating start stop and is equal to the SOC value of the battery The maximum value of the value is 100%, the heating operation and the charging operation of the battery are carried out through the preset parameters of the user, the condition that the heating parameters and the charging parameters cannot be set by the user in the past is changed, and a flexible and variable charging strategy is realized.
Further, a fourth embodiment of the charging control method of the present invention is proposed based on the second embodiment of the charging control method of the present invention, and in this embodiment, step S41 is followed by further including:
step S300, when the battery SOC value corresponding to the heating start is equal to the battery SOC value corresponding to the heating stop and the battery SOC value corresponding to the heating stop is larger than the actual battery SOC value, preheating the battery to enable the actual temperature of the battery to reach the default temperature;
step S301, when the actual temperature of the battery reaches the default temperature, the battery is charged;
and step S302, stopping heating operation of the battery when the actual SOC value of the battery reaches the SOC value of the battery corresponding to the heating stop.
In this embodiment, after checking the actual electric quantity of the battery, the user sets the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop to be greater than the actual electric quantity of the battery, and sets the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop to be the same value, where the actual temperature of the battery is lower than the critical temperature, that is, lower than 0 ℃, and the battery cannot be charged when the temperature of the battery is lower, so that the battery needs to be preheated to reach the default temperature, where the default temperature is 5 ℃, the actual temperature of the battery rises after a period of preheating operation of the battery, when the actual temperature of the battery reaches 5 ℃, the charging operation can be performed, the battery charges for a period of time, the actual SOC value of the battery increases, and when the actual SOC value of the battery reaches the battery SOC value corresponding to the heating stop, stopping heating the battery, continuing charging if the connection with the external charging device is not disconnected, for example, the actual temperature of the battery is-10 ℃ and the actual SOC value of the battery is 10%, setting the preset heating temperature in the preset parameters to 10 ℃, setting the SOC value of the battery corresponding to heating start and the SOC value of the battery corresponding to heating stop to 20%, setting the actual temperature of the battery to be less than the preset heating temperature, namely-10 ℃ to less than 10 ℃ and the SOC value of the battery corresponding to heating start to be the SOC value of the battery corresponding to heating stop, namely the SOC value of the battery corresponding to heating start to be the SOC value of the battery corresponding to heating stop to be 20%, and the SOC value of the battery corresponding to heating stop to be greater than the actual SOC value of the battery, namely 20% to more than 10%, preheating the battery to raise the actual temperature of the battery, and charging the battery when the actual temperature of the battery reaches the default temperature, when the actual SOC value of the battery reaches 20%, the heating operation of the battery is stopped, sometimes, a user only wants to heat the battery and does not want to charge excessive electricity, the heating operation and the charging operation of the battery can be set according to the method in combination, the situation that the heating parameter and the charging parameter cannot be set by the user in the past is changed, a flexible and variable charging strategy is achieved, and the actual requirements of the user can be met.
Further, a fifth embodiment of the charging control method of the present invention is proposed based on the second embodiment of the charging control method of the present invention, which further includes, after step S41:
step S50, when the battery SOC value corresponding to the heating start is larger than the battery actual SOC value and smaller than the battery SOC value corresponding to the heating stop, preheating the battery to enable the battery actual temperature to reach the default temperature;
step S51, when the actual temperature of the battery reaches the default temperature, the battery is charged;
and step S52, when the actual temperature of the battery reaches the preset heating temperature and the actual SOC value of the battery does not reach the SOC value of the battery corresponding to the heating stop, controlling the actual temperature of the battery within the preset heating temperature range, and when the actual SOC value of the battery reaches the SOC value of the battery corresponding to the heating stop, stopping the heating operation of the battery.
In this embodiment, when the user sets the SOC value of the battery corresponding to the heating start to be greater than the actual SOC value of the battery and less than the SOC value corresponding to the heating stop, it indicates that the user wants to both heat the battery and charge the battery, but because the current actual temperature of the battery is lower than the critical temperature, i.e. lower than 0 ℃, the battery cannot be charged when the temperature of the battery is low, the battery needs to be preheated to make the actual temperature of the battery reach the default temperature, where the default temperature is 5 ℃, the actual temperature of the battery rises after a period of preheating operation of the battery, when the actual temperature of the battery reaches 5 ℃, the charging operation can be performed, at this time, the heating is continued, the battery is charged and heated after a period of time, the actual SOC value of the battery and the actual temperature of the battery both rise, when the actual temperature of the battery reaches the preset heating temperature, but the actual SOC value of the battery does not reach the, and then, carrying out heat preservation operation on the battery, namely controlling the actual temperature of the battery within a preset heating temperature range, wherein the preset heating temperature range is set on the basis of the preset heating temperature, the preset heating temperature is 10 ℃, the preset heating temperature range is-x-preset heating temperature + x ℃, the temperature of the battery is controlled within the range of-x-preset heating temperature + x ℃, and then the battery is charged for a period of time. Or, when the actual temperature of the battery cannot reach the preset heating temperature due to other factors, the heating operation of the battery is stopped only when the actual SOC value of the battery reaches the SOC value of the battery corresponding to the heating stop. The heating operation and the charging operation of the battery are carried out through the preset parameters of the user, the condition that the heating parameters and the charging parameters cannot be set by the user in the past is changed, a flexible and changeable charging strategy is realized, and the actual requirements of the user can be met.
Further, a sixth embodiment of the charging control method of the present invention is proposed based on the second embodiment of the charging control method of the present invention, and in this embodiment, step S41 is followed by further comprising:
step S60, when the battery SOC value corresponding to the heating start is larger than the battery actual SOC value and smaller than the battery SOC value corresponding to the heating stop and the battery SOC value corresponding to the heating stop is 100%, preheating the battery to enable the battery actual temperature to reach the default temperature;
step S61, when the actual temperature of the battery reaches the default temperature, the battery is charged;
in step S62, when the actual SOC value of the battery reaches 100%, the heating operation of the battery is stopped and the charging operation of the battery is stopped.
In this embodiment, when the user sets the SOC value corresponding to the heating start to be greater than the actual SOC value of the battery and less than the SOC value corresponding to the heating stop, and simultaneously the user sets the SOC value corresponding to the heating stop to be 100%, at this time, the battery is preheated to make the actual temperature of the battery reach the default temperature, where the default temperature is 5 ℃, and the battery cannot be charged when the battery is at a low temperature, so that the actual temperature of the battery lower than the critical temperature is raised to the default temperature, and then the battery is charged, when the actual SOC value of the battery reaches 100%, the heating operation on the battery is stopped at this time, and therefore, the battery is fully charged, and if the battery is continuously charged, the battery is damaged, so that the charging operation on the battery is stopped.
Further, a seventh embodiment of the charging control method of the present invention is proposed based on the first embodiment of the charging control method of the present invention, and in this embodiment, step S20 is followed by further including:
step S200, judging whether the battery is fully charged;
in step S201, if yes, the actual temperature of the battery is controlled within a preset temperature range.
In the embodiment, whether the battery is fully charged is judged, namely whether the actual SOC value of the battery is equal to 100% is judged, when the actual SOC value of the battery is equal to 100%, the battery is subjected to heat preservation operation to ensure that a user can drive in a low-temperature environment, the actual temperature of the battery is controlled within a preset temperature range, wherein the preset temperature range can be set to be 20-25 ℃, and when the battery is at the temperature, the battery has good performance, so that the driving of the user is facilitated. It should be noted that, the heat preservation time is recorded when the heat preservation starts, if the user still does not drive when the heat preservation time reaches the preset time, the heat preservation operation is stopped, the preset time may be set to 24 hours, the user does not drive within 24 hours, and the heat preservation is stopped at this time in order to save energy consumption.
Further, an eighth embodiment of the charging control method of the present invention is proposed based on the first embodiment of the charging control method of the present invention, and in this embodiment, step S10 is followed by further including:
and S100, if so, performing default operation on the battery according to default parameters.
In this embodiment, when the external charging device is connected and the actual temperature of the battery is lower than the critical temperature, it is detected whether the preset parameter sent by the user through the external terminal is received, and when the preset parameter sent by the user through the external terminal is not received, it is described that the user does not set a corresponding parameter, the user charges the battery at this time for a long time, at this time, the battery is subjected to default operation according to the default parameter, specifically, because the actual temperature of the battery is lower than the critical temperature, the battery needs to be heated to the default temperature first, wherein the default temperature is 5 ℃, when the actual temperature of the battery reaches 5 ℃, the battery is charged, at this time, the battery is still in a heated state, actually, heating and charging are performed simultaneously, and when the actual SOC value of the battery is equal to 100%, the heating operation and the. Even if the parameters set by the user are not received, the default operation can be continuously executed, and flexible and variable charging strategies can be realized.
The invention also proposes a computer-readable storage medium on which a computer program is stored. The computer-readable storage medium may be a Memory in the power vehicle of fig. 1, and may also be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk, and an optical disk, where the computer-readable storage medium includes instructions for enabling a terminal device (which may be a mobile phone, a computer, a server, a terminal, or a network device) having a processor to execute the method according to the embodiments of the present invention.
In the present invention, the terms "first", "second", "third", "fourth" and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to be equivalent embodiments or examples. 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.
Although the embodiment of the present invention has been shown and described, the scope of the present invention is not limited thereto, it should be understood that the above embodiment is illustrative and not to be construed as limiting the present invention, and that those skilled in the art can make changes, modifications and substitutions to the above embodiment within the scope of the present invention, and that these changes, modifications and substitutions should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A charge control method, characterized in that the method comprises the steps of:
detecting whether a power supply device is accessed;
if yes, detecting whether preset parameters sent by a user through an external terminal are received;
and when receiving preset parameters sent by a user through an external terminal, performing preset operation on the battery according to the preset reference, wherein the preset operation comprises heating operation and/or charging operation.
2. The charge control method according to claim 1, wherein the step of performing a preset operation on the battery according to the preset reference comprises:
acquiring preset parameters, wherein the preset parameters comprise a preset heating temperature, a battery SOC value corresponding to heating start and a battery SOC value corresponding to heating stop;
and performing preset operation on the battery according to the preset heating temperature, the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop.
3. The charge control method according to claim 2, wherein the step of performing the preset operation on the battery according to the preset heating temperature, the battery SOC value corresponding to the heating start, and the battery SOC value corresponding to the heating stop includes:
judging whether the preset heating temperature is greater than the actual temperature of the battery or not;
if so, determining the relation among the battery SOC value corresponding to the heating start, the battery SOC value corresponding to the heating stop and the actual battery SOC value;
when the battery SOC value corresponding to the heating start and the battery SOC value corresponding to the heating stop are equal to the actual SOC value of the battery, heating the battery;
and when the actual temperature of the battery reaches the preset heating temperature, stopping the heating operation of the battery and charging the battery.
4. The charge control method according to claim 3, wherein after the step of determining the relationship between the battery SOC value corresponding to the heating-on, the battery SOC value corresponding to the heating-off, and the actual battery SOC value, further comprising:
when the battery SOC value corresponding to the heating start is equal to the battery SOC value corresponding to the heating stop and the battery SOC value corresponding to the heating stop is larger than the actual battery SOC value, preheating the battery to enable the actual battery temperature to reach the default temperature;
when the actual temperature of the battery reaches the default temperature, performing charging operation on the battery;
and stopping the heating operation of the battery when the actual SOC value of the battery reaches the SOC value of the battery corresponding to the heating stop.
5. The charge control method according to claim 3, wherein after the step of determining the relationship between the battery SOC value corresponding to the heating-on, the battery SOC value corresponding to the heating-off, and the actual battery SOC value, further comprising:
when the SOC value of the battery corresponding to the heating start is larger than the actual SOC value of the battery and smaller than the SOC value of the battery corresponding to the heating stop, preheating the battery to enable the actual temperature of the battery to reach the default temperature;
when the actual temperature of the battery reaches the default temperature, performing charging operation on the battery;
when the actual temperature of the battery reaches the preset heating temperature and the actual SOC value of the battery does not reach the heating stop corresponding SOC value of the battery, the actual temperature of the battery is controlled within the preset heating temperature range, and the actual SOC value of the battery reaches the heating stop corresponding SOC value of the battery, the heating operation of the battery is stopped.
6. The charge control method according to claim 3, wherein after the step of determining the relationship between the battery SOC value corresponding to the heating-on, the battery SOC value corresponding to the heating-off, and the actual battery SOC value, further comprising:
when the SOC value of the battery corresponding to the heating start is larger than the actual SOC value of the battery and smaller than the SOC value of the battery corresponding to the heating stop and the SOC value of the battery corresponding to the heating stop is 100%, preheating the battery to enable the actual temperature of the battery to reach the default temperature;
when the actual temperature of the battery reaches the default temperature, performing charging operation on the battery;
when the actual SOC value of the battery reaches 100%, the heating operation of the battery is stopped and the charging operation of the battery is stopped.
7. The charge control method according to claim 1, wherein the step of performing a preset operation on the battery according to the preset reference is followed by further comprising:
judging whether the battery is fully charged;
and if so, controlling the actual temperature of the battery within a preset temperature range.
8. The charging control method according to claim 1, wherein after the step of detecting whether the preset parameter sent by the user through the external terminal is received, the method further comprises:
if so, performing default operation on the battery according to the default parameters.
9. A power automobile, characterized in that the power automobile includes: memory, a processor and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the charge control method according to any one of claims 1-8.
10. A readable storage medium, characterized in that the readable storage medium has stored thereon a computer program which, when being executed by a processor, carries out the steps of the charge control method according to any one of claims 1-8.
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| CN202010556268.9A CN112109588A (en) | 2020-06-17 | 2020-06-17 | Charging control method, power automobile and readable storage medium |
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