CN111993953A - Battery control method, power automobile and readable storage medium - Google Patents
Battery control method, power automobile and readable storage medium Download PDFInfo
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- CN111993953A CN111993953A CN202010879182.XA CN202010879182A CN111993953A CN 111993953 A CN111993953 A CN 111993953A CN 202010879182 A CN202010879182 A CN 202010879182A CN 111993953 A CN111993953 A CN 111993953A
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
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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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a battery control method, a power automobile and a readable storage medium, which comprise the following steps: when a discharging instruction is received, acquiring battery parameter information of a first battery and battery parameter information of a second battery, wherein the battery parameter information comprises residual electric quantity, cycle times and a battery state; and selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery. The battery system is selected from the two battery systems by combining the residual electric quantity, the cycle times and the battery state, the two battery systems are utilized in a balanced manner, the difference between the two batteries can be reduced, and the overall service life of the battery system is prolonged.
Description
Technical Field
The invention relates to the technical field of power automobiles, in particular to a battery control method, a power automobile and a readable storage medium.
Background
The existing power automobile is provided with two sets of battery systems, when the power automobile is powered on, the electric quantity of the two sets of batteries is compared, the batteries with relatively more electric quantity are selected to be powered on, the battery electric quantity is only considered in the prior art, the service life of the batteries is not considered, and the difference between the two sets of batteries is larger and larger.
Disclosure of Invention
The invention provides a battery control method, a power automobile and a readable storage medium, and aims to solve the problem that the difference between two sets of batteries is larger and larger without considering the service life of the batteries when the batteries are electrified.
In order to achieve the above object, the present invention provides a battery control method, comprising the steps of:
when a discharging instruction is received, acquiring battery parameter information of a first battery and battery parameter information of a second battery, wherein the battery parameter information comprises residual electric quantity, cycle times and a battery state;
and selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery.
Preferably, the step of selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery includes:
determining whether the first battery is abnormal according to the battery state of the first battery, and determining whether the second battery is abnormal according to the battery state of the second battery;
when the first battery is abnormal and the second battery is abnormal, determining whether the first battery is smaller than a preset electric quantity according to the residual electric quantity of the first battery, and determining whether the second battery is smaller than the preset electric quantity according to the residual electric quantity of the second battery;
when the residual capacity of the first battery is larger than or equal to the preset capacity and the residual capacity of the second battery is larger than or equal to the preset capacity, comparing the cycle times of the first battery with the cycle times of the second battery;
and when the cycle number of the first battery is smaller than that of the second battery, controlling the first battery to discharge.
Preferably, after the step of comparing the cycle number of the first battery with the cycle number of the second battery, the method further includes:
and when the cycle number of the first battery is greater than that of the second battery, controlling the second battery to discharge.
Preferably, after the steps of determining whether the first battery is smaller than a preset power according to the remaining power of the first battery, and determining whether the second battery is smaller than the preset power according to the remaining power of the second battery, the method further includes:
comparing the cycle times of the first battery with the cycle times of the second battery when the residual capacity of the first battery is less than the preset capacity and the residual capacity of the second battery is less than the preset capacity;
and when the cycle number of the first battery is smaller than that of the second battery, controlling the first battery to discharge.
Preferably, the step of comparing the cycle number of the first battery with the cycle number of the second battery is further included;
and when the cycle number of the first battery is greater than that of the second battery, controlling the second battery to discharge.
Preferably, after the steps of determining whether the first battery is less than the preset power according to the remaining power of the first battery and determining whether the second battery is less than the preset power according to the remaining power of the second battery, the method further includes
And when the residual electric quantity of the first battery is larger than or equal to the preset electric quantity and the residual electric quantity of the second battery is smaller than the preset electric quantity, controlling the first battery to discharge.
Preferably, after the steps of determining whether the first battery is less than the preset power according to the remaining power of the first battery and determining whether the second battery is less than the preset power according to the remaining power of the second battery, the method further includes
And when the residual electric quantity of the first battery is less than the preset electric quantity and the residual electric quantity of the second battery is more than or equal to the preset electric quantity, controlling the second battery to discharge.
Preferably, after the step of selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery, the method further includes:
and if the abnormality of the first battery or the second battery which is discharging is detected, controlling the corresponding second battery or the first battery to discharge.
In addition, to achieve the above object, the present invention also provides a power automobile including: a communication module, a memory, a processor and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, implements the steps of the battery 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 battery control method as described above.
When a discharging instruction is received, battery parameter information of a first battery and battery parameter information of a second battery are obtained, wherein the battery parameter information comprises residual electric quantity, cycle times and a battery state; and selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery. The battery system is selected from the two battery systems by combining the residual electric quantity, the cycle times and the battery state, the two battery systems are utilized in a balanced manner, the difference between the two batteries can be reduced, and the overall service life of the battery system is prolonged.
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 battery 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 in each embodiment of the present invention. The power automobile comprises a communication module 01, a memory 02, a processor 03 and the like. Those skilled in the art will appreciate that the powered vehicle shown in FIG. 1 may also include more or fewer components than shown, or some components may be combined, or a different arrangement of components. The processor 03 is connected to the memory 02 and the communication module 01, respectively, and the memory 02 stores a computer program, which is executed by the processor 03 at the same time.
The communication module 01 may be connected to an external device through a network. The communication module 01 may receive data sent by an external device, and may also send data, instructions, and information to the external device, where the external device may be an electronic device such as a mobile phone, a tablet computer, a notebook computer, and a desktop computer.
The memory 02 may be used to store software programs and various data. The memory 02 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function, and the like; the stored data area may store data or information created according to the use of the power car, or the like. Further, the memory 02 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 03, 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 02 and calling data stored in the memory 02, thereby integrally monitoring the electric vehicle. Processor 03 may include one or more processing units; preferably, the processor 03 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 03.
Although not shown in fig. 1, the power automobile may further include a circuit control module, where the circuit control module is used for being connected with a mains supply to realize power control and ensure normal operation of other 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 battery control method according to a first embodiment of the present invention, in which the method includes:
step S10, when a discharge instruction is received, acquiring battery parameter information of a first battery and battery parameter information of a second battery, wherein the battery parameter information comprises residual capacity, cycle number and battery state;
the power vehicle in this embodiment is equipped with two sets Of battery systems, and when a discharge instruction is received, one Of the two sets Of battery systems needs to be selected to discharge, specifically, battery parameter information Of the first battery and battery parameter information Of the second battery are obtained, where the battery parameter information includes a remaining power amount (State Of Charge, abbreviated as SOC) which is a ratio Of available power amount in the battery to a nominal capacity, and is an important monitoring data Of the battery management system, the battery management system controls a battery operating State according to the SOC value, and the remaining power amount Of the battery also reflects a battery Charge State. The number of cycles is an indication of the service life of the battery, and the battery will have a significantly reduced capacity if the number of cycles exceeds a predetermined number, and generally, the battery will have a lower life if the number of cycles is larger. The battery state comprises an abnormal state and a normal state, and when the battery system breaks down, the battery is considered to be in the abnormal state; when the battery capacity is too low, the battery is also considered to be in an abnormal state.
Step S20, selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery.
In this embodiment, the corresponding first battery or the second battery is selected to be discharged according to the battery parameter information of the first battery and the battery parameter information of the second battery, and actually, when one battery is selected to be discharged, the battery is considered by integrating the remaining capacity, the cycle number and the battery state, and one battery is selected from two sets of battery systems to be discharged preferentially.
The two sets of battery systems of the power automobile in the embodiment can respectively provide high-voltage power output for the whole automobile, and the two sets of battery systems are utilized in a balanced manner by combining the residual electric quantity, the cycle times and the selective use of the battery state, so that the difference between the two batteries can be reduced, and the integral service life of the battery systems is prolonged.
Further, a second embodiment of the battery control method of the present invention is proposed based on the first embodiment of the battery control method of the present invention, and in this embodiment, the step S20 includes:
step S21, determining whether the first battery is abnormal according to the battery state of the first battery, and determining whether the second battery is abnormal according to the battery state of the second battery;
step S22, when the first battery is abnormal and the second battery is abnormal, determining whether the first battery is smaller than a preset electric quantity according to the residual electric quantity of the first battery, and determining whether the second battery is smaller than the preset electric quantity according to the residual electric quantity of the second battery;
step S23, when the residual capacity of the first battery is larger than or equal to the preset capacity and the residual capacity of the second battery is larger than or equal to the preset capacity, comparing the cycle number of the first battery with the cycle number of the second battery;
and step S24, when the circulation frequency of the first battery is less than that of the second battery, controlling the first battery to discharge.
In this embodiment, whether the first battery is abnormal is determined according to the battery state of the first battery, and whether the second battery is abnormal is determined according to the battery state of the second battery, specifically, when it is determined that the battery is abnormal, a battery fault code may be obtained, and if the battery fault code does not exist, the battery is normal; if the battery fault code exists, the battery is abnormal. When the first battery and the second battery do not have fault codes, that is, when the first battery and the second battery are both abnormal, determining whether the first battery is smaller than a preset electric quantity according to the residual electric quantity of the first battery, and simultaneously determining whether the second battery is smaller than the preset electric quantity according to the residual electric quantity of the second battery, wherein the preset electric quantity can be set by referring to a high electric quantity, a medium electric quantity and a low electric quantity of a battery system, wherein the high electric quantity is greater than 70% and less than or equal to 100%, the medium electric quantity is greater than 40% and less than or equal to 70%, and the low electric quantity is greater than or equal to 10% and less than or equal to 40%, for example, the preset electric quantity can be set to 40%, when the residual electric quantity of the first battery is greater than or equal to 40% and the residual electric quantity of the second battery is greater than or equal to 40%, the residual electric quantities of the first battery and the second battery are sufficient, further comparing the cycle number of the two batteries, specifically, and when the cycle number of the first battery is smaller than that of the second battery, controlling the first battery to discharge, specifically controlling a relay of the first battery system to be closed.
When two batteries are not abnormal, the residual electric quantity of the two batteries is compared with the preset value, the residual electric quantity of the two batteries is not compared with each other, when the residual electric quantity of the two batteries is larger than the preset value, the cycle times of the two batteries are compared with each other, the batteries with less cycle times are selected to preferentially discharge, the difference between the two batteries is favorably reduced, and the service life of the batteries can be prolonged by reasonably selecting the batteries.
Further, after step S21, the method further includes:
in the embodiment, whether a first battery is abnormal or not is determined according to the battery state of the first battery, and whether a second battery is abnormal or not is determined according to the battery state of the second battery, when one battery has a fault or the electric quantity is too low, the other battery is selected to be discharged preferentially, specifically, when the first battery is not abnormal and the second battery is abnormal, the first battery is controlled to be discharged, specifically, a relay of a first battery system is controlled to be closed; when the first battery is abnormal and the second battery is abnormal, the second battery is controlled to discharge, specifically, a relay of the second battery system is controlled to be closed. The two sets of battery systems of the power automobile of the embodiment respectively provide high-voltage power output for the whole automobile, and even if one battery has a problem, the other battery can be used for providing high-voltage power output for the whole automobile.
Further, after step S23, the method further includes:
and step S230, controlling the second battery to discharge when the cycle number of the first battery is greater than that of the second battery.
In this embodiment, the cycle number of the first battery is compared with the cycle number of the second battery, and when the cycle number of the first battery is greater than the cycle number of the second battery, the second battery is controlled to discharge, for example, the cycle number of the first battery is 7 times, and the cycle number of the second battery is 10 times, then the battery with the small cycle number is selected to preferentially discharge, that is, the first battery is controlled to preferentially discharge, and the battery with the small cycle number is selected to preferentially discharge, so that the difference between the two batteries is favorably reduced, and the service life of the battery can be prolonged by reasonably selecting the battery.
Further, a third embodiment of the battery control method of the present invention is proposed based on the second embodiment of the battery control method of the present invention, which further includes, after step S22:
step S220, comparing the cycle times of the first battery with the cycle times of the second battery when the residual electric quantity of the first battery is less than the preset electric quantity and the residual electric quantity of the second battery is less than the preset electric quantity;
and step S221, when the cycle number of the first battery is smaller than that of the second battery, controlling the first battery to discharge.
In this embodiment, the preset power may be set with reference to a high power, a medium power and a low power of the battery system, where the high power is greater than 70% and less than or equal to 100%, the medium power is greater than 40% and less than or equal to 70%, and the low power is greater than or equal to 10% and less than or equal to 40%, for example, the preset power may be set to 40%, when the remaining power of the first battery is less than 40% and the remaining power of the second battery is less than 40%, it is indicated that the remaining power of the first battery and the remaining power of the second battery can maintain the vehicle running for a period of time, at this time, it is further required to determine whether the remaining power of the first battery and the remaining power of the second battery belong to the low power, if the remaining power of the first battery and the remaining power of the second battery are not less than the low power, that is, the remaining power of the first battery and the remaining power of the second battery, specifically, the cycle number of the first battery is compared with the cycle number of the second battery, and when the cycle number of the first battery is smaller than the cycle number of the second battery, the first battery is controlled to discharge, specifically, a relay of the first battery system is controlled to be closed.
When two batteries are not abnormal, the residual electric quantity of the two batteries is compared with the preset value, the residual electric quantity of the two batteries is not compared with each other, when the residual electric quantity of the two batteries is smaller than the preset value, the cycle times of the two batteries are compared with each other, the batteries with less cycle times are selected to preferentially discharge, the difference between the two batteries is favorably reduced, and the service life of the batteries can be prolonged by reasonably selecting the batteries.
Further, after step S220, the method further includes:
and step S221, when the cycle number of the first battery is greater than that of the second battery, controlling the second battery to discharge.
In this embodiment, the cycle count of the first battery is compared with the cycle count of the second battery, and when the cycle count of the first battery is greater than the cycle count of the second battery, the second battery is controlled to discharge, specifically, a relay of the second battery system is controlled to be closed. In this embodiment, the residual capacities of the two batteries are compared with the preset value, the residual capacities of the two batteries are not compared with each other, when the residual capacities of the two batteries are smaller than the preset value, the cycle times of the two batteries are compared with each other, the batteries with less cycle times are selected to preferentially discharge, the difference between the two batteries is favorably reduced, and the service life of the batteries can be prolonged by reasonably selecting the batteries.
If the number of cycles of the first battery is equal to the number of cycles of the second battery, one of the batteries is optionally discharged.
Further, a fourth embodiment of the battery control method of the present invention is proposed based on the second embodiment of the battery control method of the present invention, which further includes, after step S22:
step S100, when the remaining power of the first battery is greater than or equal to the preset power and the remaining power of the second battery is less than the preset power, controlling the first battery to discharge.
Whether the first battery is smaller than the preset electric quantity or not is determined according to the residual electric quantity of the first battery in the embodiment, whether the second battery is smaller than the preset electric quantity or not is determined according to the residual electric quantity of the second battery, when the residual electric quantity of the first battery is larger than or equal to the preset electric quantity and the residual electric quantity of the second battery is smaller than the preset electric quantity, the residual electric quantity of the second battery is sufficient, therefore, the first battery can be controlled to discharge, particularly, a relay of a first battery system is controlled to be closed, when the two batteries are abnormal, the residual electric quantities of the two batteries are compared with the preset value, the battery with the sufficient electric quantity is selected to discharge, and the sufficient electric quantity is provided for the power automobile.
Further, after step S22, the method further includes:
step S200, when the remaining power of the first battery is less than the preset power and the remaining power of the second battery is greater than or equal to the preset power, controlling the second battery to discharge.
Whether the first battery is smaller than the preset electric quantity or not is determined according to the residual electric quantity of the first battery in the embodiment, whether the second battery is smaller than the preset electric quantity or not is determined according to the residual electric quantity of the second battery, when the residual electric quantity of the first battery is smaller than the preset electric quantity and the residual electric quantity of the second battery is larger than or equal to the preset electric quantity, the residual electric quantity of the second battery is sufficient, therefore, the second battery can be controlled to discharge, particularly, a relay of a second battery system is controlled to be closed, when the two batteries are abnormal, the residual electric quantities of the two batteries are compared with the preset value, the battery with the sufficient electric quantity is selected to discharge, and the sufficient electric quantity is provided for the power automobile.
Further, a fifth embodiment of the battery control method of the present invention is proposed, in this embodiment, after step S20, further comprising:
in step S300, if it is detected that the discharged first battery or second battery is abnormal, the corresponding second battery or first battery is controlled to discharge.
In this embodiment, if the abnormality of the discharging first battery is detected, the corresponding second battery is controlled to discharge; if the second battery which is discharging is detected to be abnormal, the corresponding first battery is controlled to discharge, the two sets of battery systems of the power automobile can respectively provide high-voltage power output for the whole automobile, even if one battery has a problem, the other battery can be used for providing high-voltage power output for the whole automobile, and the normal use of the power automobile cannot be influenced.
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 battery control method, characterized in that the method comprises the steps of:
when a discharging instruction is received, acquiring battery parameter information of a first battery and battery parameter information of a second battery, wherein the battery parameter information comprises residual electric quantity, cycle times and a battery state;
and selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery.
2. The battery control method according to claim 1, wherein the step of selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery comprises:
determining whether the first battery is abnormal according to the battery state of the first battery, and determining whether the second battery is abnormal according to the battery state of the second battery;
when the first battery is abnormal and the second battery is abnormal, determining whether the first battery is smaller than a preset electric quantity according to the residual electric quantity of the first battery, and determining whether the second battery is smaller than the preset electric quantity according to the residual electric quantity of the second battery;
when the residual capacity of the first battery is larger than or equal to the preset capacity and the residual capacity of the second battery is larger than or equal to the preset capacity, comparing the cycle times of the first battery with the cycle times of the second battery;
and when the cycle number of the first battery is smaller than that of the second battery, controlling the first battery to discharge.
3. The battery control method of claim 2, wherein the step of comparing the number of cycles of the first battery to the number of cycles of the second battery is followed by:
and when the cycle number of the first battery is greater than that of the second battery, controlling the second battery to discharge.
4. The battery control method according to claim 2, wherein after the steps of determining whether the first battery is less than a preset amount of power according to the remaining amount of power of the first battery and determining whether the second battery is less than the preset amount of power according to the remaining amount of power of the second battery, further comprising:
comparing the cycle times of the first battery with the cycle times of the second battery when the residual capacity of the first battery is less than the preset capacity and the residual capacity of the second battery is less than the preset capacity;
and when the cycle number of the first battery is smaller than that of the second battery, controlling the first battery to discharge.
5. The battery control method of claim 4, wherein the step of comparing the number of cycles of the first battery to the number of cycles of the second battery is further followed by;
and when the cycle number of the first battery is greater than that of the second battery, controlling the second battery to discharge.
6. The battery control method according to claim 2, wherein after the steps of determining whether the first battery is less than a preset amount of power according to the remaining amount of the first battery and determining whether the second battery is less than the preset amount of power according to the remaining amount of the second battery, further comprising
And when the residual electric quantity of the first battery is larger than or equal to the preset electric quantity and the residual electric quantity of the second battery is smaller than the preset electric quantity, controlling the first battery to discharge.
7. The battery control method according to claim 2, wherein after the steps of determining whether the first battery is less than a preset amount of power according to the remaining amount of the first battery and determining whether the second battery is less than the preset amount of power according to the remaining amount of the second battery, further comprising
And when the residual electric quantity of the first battery is less than the preset electric quantity and the residual electric quantity of the second battery is more than or equal to the preset electric quantity, controlling the second battery to discharge.
8. The battery control method according to any one of claims 1 to 7, wherein after the step of selecting the corresponding first battery or second battery to discharge according to the battery parameter information of the first battery and the battery parameter information of the second battery, the method further comprises:
and if the abnormality of the first battery or the second battery which is discharging is detected, controlling the corresponding second battery or the first battery to discharge.
9. A power automobile, characterized in that the power automobile includes: a communication module, a memory, a processor and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps of the battery control method according to any one of claims 1 to 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 battery control method according to any one of claims 1-8.
Priority Applications (1)
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