CN113824166B - Charging strategy adjustment method and device, and storage medium - Google Patents
Charging strategy adjustment method and device, and storage medium Download PDFInfo
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- CN113824166B CN113824166B CN202010568301.XA CN202010568301A CN113824166B CN 113824166 B CN113824166 B CN 113824166B CN 202010568301 A CN202010568301 A CN 202010568301A CN 113824166 B CN113824166 B CN 113824166B
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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
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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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
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
本公开是关于一种充电策略调整方法及装置、存储介质。该方法包括：获取多个终端设备对应型号的电池在供电过程中的电池容量信息；基于多个所述终端设备的电池容量信息，确定所述对应型号的电池的老化信息；根据所述老化信息，调整所述对应型号的电池的充电策略。通过本公开实施例的老化信息能够精确的反映在充电过程中不同使用行为以及不同使用场景下该电池的老化情况，进而基于该老化信息调整的充电策略能够适用不同的型号的电池，有效降低了不同情况导致的电池不耐用的情况，延长电池的使用寿命。
The present disclosure relates to a charging strategy adjustment method, device, and storage medium. The method includes: obtaining battery capacity information of batteries of corresponding models of multiple terminal devices during power supply; determining aging information of the corresponding models of batteries based on the battery capacity information of the multiple terminal devices; and adjusting the charging strategy of the corresponding models of batteries according to the aging information. The aging information of the embodiments of the present disclosure can accurately reflect the aging of the battery under different usage behaviors and different usage scenarios during the charging process, and then the charging strategy adjusted based on the aging information can be applicable to different models of batteries, effectively reducing the battery's durability caused by different situations and extending the battery's service life.
Description
Technical Field
The disclosure relates to the field of charging technologies, and in particular, to a charging policy adjustment method and device, and a storage medium.
Background
With the continuous development of terminal devices such as smartphones, the functions of smartphones are increasingly abundant, and the power consumption of smartphones is continuously increased, so that the phenomenon that the battery of smartphones is not durable often occurs in the process of using smartphones. The threshold value of the charge adjustment is generally set based on the battery cell or the battery cell material system, and the battery is adjusted based on the threshold value of the charge adjustment, so as to reduce the durability of the battery in the subsequent use. However, the battery obtained based on the material characteristics of the battery itself has a single aging condition, and the battery is still not durable.
Disclosure of Invention
The disclosure provides a charging strategy adjustment method and device and a storage medium.
According to a first aspect of embodiments of the present disclosure, there is provided a charging policy adjustment method, applied to a server, including:
acquiring battery capacity information of batteries of corresponding models of a plurality of terminal devices in a power supply process;
determining aging information of the batteries of the corresponding models based on battery capacity information of a plurality of terminal devices;
and adjusting the charging strategy of the battery of the corresponding model according to the aging information.
In some embodiments, the determining the aging information of the battery of the corresponding model based on the battery capacity information of the plurality of terminal devices includes:
Based on the battery capacity information, obtaining aging statistical data of the battery of the corresponding model;
And determining the aging trend of the battery of the corresponding model based on the aging statistical data.
In some embodiments, the obtaining the aging statistics of the corresponding model of the battery based on the battery capacity information includes:
Based on the battery capacity information, a plurality of historical capacity values corresponding to a plurality of historical charging cycle times of the battery of the corresponding model are counted.
In some embodiments, the determining the aging trend of the corresponding model of battery based on the aging statistics includes:
determining the ratio of the historical capacity value to the preset minimum capacity value of the corresponding type of battery to obtain a plurality of capacity ratios corresponding to the plurality of historical charging cycle times;
Based on a plurality of capacity ratios, acquiring two adjacent capacity ratios under the adjacent historical charging cycle times;
And determining the aging acceleration corresponding to the number of the next charging cycles of the battery of the corresponding model based on the ratio of the adjacent two capacities.
In some embodiments, the adjusting the charging policy of the battery of the corresponding model according to the aging information includes:
determining the next capacity ratio of the battery of the corresponding model corresponding to the next charging cycle times based on the aging acceleration;
and when the next capacity ratio is smaller than or equal to a preset ratio threshold, adjusting the charging strategy of the battery of the corresponding model.
In some embodiments, the method further comprises:
And when the next capacity ratio is larger than the preset ratio threshold, maintaining the current charging strategy of the battery with the corresponding model.
In some embodiments, the adjusting the charging policy of the corresponding model of battery includes:
acquiring a preset adjustment ratio of the battery of the corresponding model;
determining the current charging parameters of the corresponding type of battery under the current charging strategy;
And determining the charging strategy of the battery of the corresponding model based on the current charging parameter and the preset adjustment ratio.
In some embodiments, the current charging parameters include at least one of:
current charge voltage, current charge current, current charge load, current charge temperature.
In some embodiments, the adjusting the charging policy of the battery of the corresponding model according to the aging information includes:
according to the aging information, adjusting a charging strategy contained in the factory setting of the battery of the corresponding model;
Or alternatively
And adjusting the current charging strategy of the battery of the corresponding model according to the aging information, wherein the current charging strategy is the charging strategy currently used by the battery and is different from the charging strategy set by a factory.
In some embodiments, the method further comprises:
And sending the adjusted charging strategies to a plurality of terminal devices.
According to a second aspect of embodiments of the present disclosure, there is provided a charging policy adjustment device, the device including:
The acquisition module is configured to acquire battery capacity information of batteries of corresponding models of the plurality of terminal equipment in a power supply process;
a determining module configured to determine aging information of the battery of the corresponding model based on battery capacity information of a plurality of the terminal devices;
And the adjusting module is configured to adjust the charging strategy of the battery with the corresponding model according to the aging information.
In some embodiments, the determining module comprises:
The first determining submodule is configured to acquire ageing statistical data of the corresponding type of battery based on the battery capacity information;
And the second determining submodule is configured to determine the aging trend of the battery with the corresponding model based on the aging statistical data.
In some embodiments, the first determining submodule is specifically configured to count a plurality of historical capacity values corresponding to a plurality of historical charge cycles of the corresponding model of battery based on the battery capacity information.
In some embodiments, the second determining submodule is specifically configured to determine a ratio of the historical capacity value to a preset minimum capacity value of the corresponding type of battery, obtain a plurality of capacity ratios corresponding to the plurality of historical charging cycles, obtain two adjacent capacity ratios under the adjacent historical charging cycles based on the plurality of capacity ratios, and determine aging acceleration corresponding to the next charging cycle of the corresponding type of battery based on the two adjacent capacity ratios.
In some embodiments, the adjusting module is specifically configured to determine a next capacity ratio of the battery of the corresponding model corresponding to the next charging cycle number based on the aging acceleration, and adjust a charging policy of the battery of the corresponding model when the next capacity ratio is less than or equal to a preset ratio threshold.
In some embodiments, the apparatus further comprises:
And the maintaining module is configured to maintain the current charging strategy of the battery of the corresponding model when the next capacity ratio is larger than the preset ratio threshold.
In some embodiments, the adjustment module is further configured to obtain a preset adjustment ratio of the battery of the corresponding model, determine a current charging parameter of the battery of the corresponding model under a current charging policy, and determine a charging policy of the battery of the corresponding model based on the current charging parameter and the preset adjustment ratio.
In some embodiments, the present charging parameters include at least one of present charging voltage, present charging current, present charging load, present charging temperature.
In some embodiments, the adjusting module is further configured to adjust a charging policy included in the factory setting of the battery of the corresponding model according to the aging information, or adjust a current charging policy of the battery of the corresponding model according to the aging information, where the current charging policy is a charging policy currently used by the battery and different from the factory setting charging policy.
In some embodiments, the apparatus further comprises:
and the sending module is configured to send the adjusted charging strategies to a plurality of terminal devices.
According to a third aspect of embodiments of the present disclosure, there is provided a charging policy adjustment device comprising at least a processor and a memory for storing executable instructions capable of running on the processor, wherein:
The processor is configured to execute the executable instructions, when the executable instructions are executed, the executable instructions perform the steps in the charging policy adjustment method provided in the first aspect.
According to a fourth aspect of embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium having stored therein computer-executable instructions that, when executed by a processor, implement the charging policy adjustment method as provided in the first aspect above.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
According to the embodiment of the disclosure, the aging information is determined based on the battery capacity information of the batteries of the corresponding types of the plurality of terminal equipment in the power supply process, and then the charging strategy of the batteries of the corresponding types is adjusted based on the aging information. So, for adjusting the charge strategy according to the material characteristic of different model batteries itself, ageing information of this disclosed embodiment can accurately reflect the ageing conditions of this battery under different use behaviors and different use scenes in the charging process, and then can be suitable for the battery of different models based on the ageing strategy of this accurate ageing information adjustment, has effectively reduced the not durable condition of battery that different circumstances lead to, and then has prolonged the life of battery. Meanwhile, the embodiment of the disclosure adjusts the subsequent charging strategy of the corresponding type of battery based on the battery capacity information in the power supply process, that is, the adjustment mode is a mode of predicting the charging strategy of the corresponding type of battery according to the actual battery capacity information, so that the charging strategy of the battery can be adjusted in time before the aging condition of the battery is worsened, the condition that the battery is not durable caused by different conditions is further reduced, and the service life of the battery is prolonged.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flowchart illustrating a charging strategy adjustment method according to an exemplary embodiment.
Fig. 2 is a battery capacity distribution diagram of a battery according to an exemplary embodiment.
Fig. 3 is a schematic diagram showing a capacity ratio distribution of a battery according to an exemplary embodiment.
Fig. 4 is a diagram showing a capacity ratio distribution diagram of a battery according to an exemplary embodiment.
Fig. 5 is a diagram showing a capacity ratio distribution of a battery according to an exemplary embodiment.
Fig. 6 is a block diagram of a terminal device according to an exemplary embodiment.
Fig. 7 is a block diagram of a server according to an exemplary embodiment.
Fig. 8 is a block diagram of a charging policy adjustment device according to an exemplary embodiment.
Fig. 9 is a block diagram illustrating a charging policy adjustment device according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
Fig. 1 is a flowchart of a charging policy adjustment method according to an embodiment of the present disclosure, as shown in fig. 1, applied to a server. The charging strategy adjustment method comprises the following steps:
S11, acquiring battery capacity information of batteries of corresponding models of a plurality of terminal devices in a power supply process;
s12, determining aging information of the batteries of the corresponding models based on battery capacity information of a plurality of terminal devices;
and S13, adjusting the charging strategy of the battery of the corresponding model according to the aging information.
In the embodiment of the disclosure, the terminal equipment comprises a mobile terminal and a wearable electronic device, wherein the mobile terminal comprises a smart phone, a notebook or a tablet personal computer, and the wearable electronic device comprises a smart watch or a smart bracelet, and the embodiment of the disclosure is not limited.
The terminal equipment is also provided with a first control processing module, and battery capacity information of a battery in the terminal equipment can be obtained through the first control processing module.
The server establishes communication connection with the plurality of terminal devices. Through the communication connection, the server can acquire battery capacity information of batteries of corresponding models transmitted by the plurality of terminal devices in the power supply process. The terminal device may send battery capacity information to the server at intervals of a preset duration. The preset time length can be set according to actual needs. For example, the preset duration may be set to 8 hours, 2 days, or 1 month, and embodiments of the present disclosure are not limited.
In the embodiment of the disclosure, the battery capacity information comprises current capacity values corresponding to the battery under at least two historical charging cycle times. For example, the current capacity value of the battery at 100 th charge cycle is 3500mAh, and the current capacity value of the battery at 700 th charge cycle is 3300mAh.
Wherein the capacity value is the amount of charge that the battery can release for external use. The number of charge cycles is increased once when the battery completes one charge cycle.
The capacity of the battery is lost as the number of charging cycles increases. This capacity loss may be caused by different usage behaviors or different usage environments. Based on this, the server in the embodiment of the present disclosure obtains battery capacity information of batteries of corresponding models of a plurality of terminal devices in a power supply process, where the battery capacity information is actual battery capacity information of different users in different use behaviors or different use environments, so that differences between the battery capacity information of different users can be accurately reflected.
Fig. 2 is a schematic diagram of a battery capacity distribution of a battery, for example. As shown in fig. 2, the abscissa indicates the number of charging cycles, the ordinate indicates the battery capacity value at different charging cycles, the standard battery capacity is 3500mAh, and the abscissa in fig. 2 indicates 3500×80% of the threshold value. The battery with the battery capacity value larger than the threshold value under different charging cycle times is arranged above the transverse line, and the battery with the battery capacity value smaller than the threshold value under different charging cycle times is arranged below the transverse line.
In the embodiment of the disclosure, the battery capacity information can reflect aging information of the battery. The aging information includes an aging speed of the battery and/or an aging acceleration of the battery. For example, the larger the difference between the battery capacity values of the adjacent two charge cycles in the battery capacity information, the faster the aging speed of the battery, and the smaller the difference between the battery capacity values of the adjacent two charge cycles in the battery capacity information, the slower the aging speed of the battery.
It should be noted that, as the number of charging cycles increases, the battery ages. But different models of batteries have different aging information based on different usage scenarios and different usage behaviors. Therefore, the charging policy of the corresponding model battery can be adjusted based on the aging information of the battery.
In the embodiment of the disclosure, the charging strategy of the battery with the corresponding model is adjusted according to the aging information, wherein the charging strategy of the battery is adjusted when the aging information of the battery indicates that the battery is abnormal in aging. Therefore, the charging strategy can be timely adjusted when the battery is aged abnormally, so that the efficiency of the battery can be improved, and the condition that the battery is not durable can be reduced.
It should be noted that the aging information of the battery indicates that the battery is aged abnormally, which includes that the aging speed of the battery at the next charging cycle is greater than the aging speed threshold, or that the aging acceleration of the battery at the next charging cycle is greater than the aging acceleration threshold, or that the next capacity ratio of the battery at the next charging cycle is less than or equal to the preset ratio threshold.
The capacity ratio is the ratio of the battery capacity value of the battery to the minimum capacity value of the battery. The battery capacity value is an actual capacity value of the battery, and the minimum capacity value is a theoretical capacity value of the battery.
The aging speed threshold value, the aging acceleration threshold value and the preset ratio threshold value may be respectively determined based on theoretical values of the core material of the battery under different charging cycle times, or may be respectively determined based on the theoretical values and actual demands of users together, which is not limited in the embodiments of the present disclosure.
In the embodiment of the disclosure, the charging strategies are different charging modes of the battery. The charging strategy can comprise charging modes in different charging modes and charging modes in different charging scenes.
It should be noted that the charging object adjustable in different charging modes is different. For example, when the charging strategy is adjusted, the charging voltage in the constant-voltage charging mode is adjusted, and the charging current in the constant-current charging mode is adjusted. For example, when the charging strategy is adjusted, the charging load and the charging power in the parallel scene of power supply and charging are adjusted, and the charging power and the charging temperature are adjusted in the scene of high ambient temperature.
The preset adjustment ratio of the adjustable charging object in the different charging modes is different. The preset adjustment ratio may be greater than 0 and less than 1. For example, when the charging strategy is adjusted, the charging power of the environment temperature high scene is adjusted down and the preset adjustment ratio is 0.3%, and for example, when the charging strategy is adjusted, the charging voltage of the constant voltage charging mode is adjusted down and the preset adjustment ratio is 0.5%, which is not limited in the embodiments of the present disclosure.
It should be noted that the server stores different charging strategies corresponding to different aging anomalies. When the next capacity ratio corresponding to the next charging cycle number of the battery is smaller than or equal to the preset ratio threshold, the difference between the next capacity ratio and the preset ratio threshold can be set to be positively correlated with the adjustment ratio. For example, the corresponding adjustment ratio may be 0.3 when the difference is 10% and 0.5 when the difference is 20%, which is not limiting.
In the embodiment of the disclosure, after the server adjusts the charging policy of the battery with the corresponding model according to the aging information, the charging policy adjusting method further comprises the step of sending the adjusted charging policy to a plurality of terminal devices.
Therefore, the plurality of terminal devices charge the respective batteries based on the adjusted charging strategy, so that the aging conditions of the batteries of different terminal devices can be reduced, and the service life of the batteries can be prolonged.
It can be understood that, in the embodiment of the disclosure, the aging information is determined based on the battery capacity information of the batteries of the corresponding models of the plurality of terminal devices in the power supply process, and then the charging policy of the batteries of the corresponding models is adjusted based on the aging information. Therefore, compared with the method for adjusting the charging strategy according to the material characteristics of the battery, the aging information of the embodiment of the disclosure can accurately reflect the aging conditions of the battery under different use behaviors and different use scenes in the charging process, and further the charging strategy adjusted based on the accurate aging information can be applicable to different batteries, so that the conditions of incapacity of the battery caused by different conditions are effectively reduced, and the service life of the battery is further prolonged. Meanwhile, the embodiment of the disclosure adjusts the subsequent charging strategy of the battery based on the battery capacity information in the power supply process, that is, the adjustment mode is a mode of predicting the battery charging strategy according to the actual battery capacity information, so that the charging strategy of the battery can be adjusted in time before the aging condition of the battery is worsened, and the condition that the battery is not durable due to different conditions is further reduced.
In some embodiments, the determining the aging information of the battery of the corresponding model based on the battery capacity information of the plurality of terminal devices includes:
Based on the battery capacity information, obtaining aging statistical data of the battery of the corresponding model;
And determining the aging trend of the battery of the corresponding model based on the aging statistical data.
In the embodiment of the disclosure, the battery models corresponding to different terminal devices may be the same or different. After acquiring battery capacity information of a plurality of terminal devices in the power supply process, the battery capacity information may be counted to acquire aging statistics data.
It should be noted that, different aging conditions of the batteries of different models in the use process are obtained by counting the battery capacity information of a plurality of terminal devices. The statistical method comprises the steps of obtaining a plurality of ageing data corresponding to batteries of different types based on battery capacity information, and obtaining the ageing statistical data corresponding to the batteries of different types by counting the ageing data through a preset statistical method. Thus, the aging statistical data of the batteries corresponding to the plurality of terminal devices can be obtained.
Exemplary, the foregoing preset statistical methods include a subtraction method, a mean method, a minimum neighbor method, a ratio regression method, or a decision tree method, which are not limited by the embodiments of the present disclosure.
In some embodiments, the obtaining the aging statistics of the battery of the corresponding model based on the battery capacity information includes obtaining a plurality of historical capacity values corresponding to a plurality of historical charge cycles of the battery of the corresponding model based on the battery capacity information.
Since one battery has a large number of chargeable cycles, the difference between the historic capacity values corresponding to the number of adjacent charging cycles is small. Therefore, in order to reduce the case where the statistical time is long due to the excessive processing amount of the statistical data, the cycle count interval may be set at the time of the statistical data. The cycle count interval can be set according to actual requirements. For example, the cycle count interval may be set to 50 times or 100 times, and embodiments of the present disclosure are not limited.
After the aging statistics are statistically obtained, the aging trend of the corresponding model battery may be determined based on the aging statistics. The aging trend characterizes the degree of aging of the battery at the next charge cycle.
It can be understood that, according to the embodiment of the disclosure, the battery capacity information of a plurality of terminal devices is counted, the statistical data amount is large, and more accurate aging statistical data of the batteries corresponding to the terminal devices can be counted, so that more accurate aging trend can be obtained.
In some embodiments, the determining the aging trend of the corresponding model of battery based on the aging statistics includes:
determining the ratio of the historical capacity value to the preset minimum capacity value of the corresponding type of battery to obtain a plurality of capacity ratios corresponding to the plurality of historical charging cycle times;
Based on a plurality of capacity ratios, acquiring two adjacent capacity ratios under the adjacent historical charging cycle times;
And determining the aging acceleration corresponding to the number of the next charging cycles of the battery of the corresponding model based on the ratio of the adjacent two capacities.
In an embodiment of the present disclosure, the predetermined minimum capacity value includes, but is not limited to, a rated capacity value for the battery. For example, the rated capacity value of the battery is 3500mAh or 20000mAh.
The historical capacity values include, but are not limited to, actual capacity values for the battery at historical charge cycles. For example, the rated capacity of the battery is 3500mAh, the actual capacity value of the battery at the 100 th charge cycle is 3500mAh, and the actual capacity value of the battery at the 500 th charge cycle is 2800mAh.
The capacity ratio is the ratio between the current capacity value and the minimum capacity value. For example, as shown in fig. 3, the capacity ratio of the battery at the 100 th charge cycle is 99%, and the capacity ratio of the battery at the 400 th charge cycle is 90%.
The capacity ratio of the battery is inversely related to the aging degree of the battery. When the capacity ratio of the battery is smaller, the current aging degree of the battery is higher, and further the aging of the battery at the next charging cycle number can be reflected to belong to abnormal aging. Based on this, it is necessary to adjust the charging strategy of the battery at the time of abnormal aging to improve the case where the battery is not durable.
In an embodiment of the disclosure, the adjacent historical charge cycles may include a first historical charge cycle and a second historical charge cycle in a descending order. For example, when the total number of history charge cycles is 400 and the cycle count interval is 100, the first history charge cycle in the descending order is 400 and the second history charge cycle in the descending order is 300. I.e., the capacity ratio of 300 th charge cycle and the capacity ratio of 400 th charge cycle are obtained.
The method for determining the aging acceleration of the battery under the next charging cycle number based on the adjacent two capacity ratios comprises the steps of determining two historical aging accelerations in the adjacent two charging cycle numbers based on the adjacent two capacity ratios and determining the aging acceleration under the next charging cycle number based on the two historical aging accelerations.
The two historical aging accelerations include a first historical aging acceleration corresponding to a first historical charging cycle number and a second historical aging acceleration corresponding to a second historical charging cycle number in a descending order. That is, according to the embodiment of the disclosure, based on the aging acceleration corresponding to the two largest historical charging cycle times, the aging acceleration under the next charging cycle times is determined, so that the predicted aging acceleration under the next charging cycle times is more matched with the actual aging acceleration, and the charging strategy can be more accurately adjusted.
In the embodiment of the disclosure, the number of historical charging cycles corresponding to the first historical aging acceleration is greater than the number of historical charging cycles corresponding to the second historical aging acceleration. The determining the aging acceleration under the next charging cycle based on the two historical aging accelerations includes:
When the first historical aging acceleration and the second historical aging acceleration are the same, determining that the aging acceleration at the next charging cycle number is the first historical aging acceleration or the second historical aging acceleration;
And determining that the aging acceleration at the next charging cycle number is the first historical aging acceleration when the first historical aging acceleration is different from the second historical aging acceleration, or determining that the difference between the aging acceleration at the next charging cycle number and the first historical aging acceleration is smaller than a preset difference value.
For example, when the number of charge cycles having the largest history among the at least two historical charge cycles is 400, the statistical interval of the number of cycles is 100, and the aging acceleration of the 400 th charge cycle is different from the historical aging acceleration of the 300 th charge cycle, the determined aging acceleration of the 500 th charge cycle may be the same as the historical aging acceleration of the 400 th charge cycle, or may be determined by presetting the difference and the aging acceleration of the 400 th charge cycle. The preset difference may be set according to practical situations, for example, the preset difference may be set between 0.05 and 0.5, which is not limited in the embodiments of the present disclosure.
It can be understood that, according to the embodiment of the disclosure, the aging acceleration corresponding to the number of next charging cycles of the battery is determined through the capacity ratio, that is, the subsequent aging acceleration of the battery can be accurately predicted through the capacity ratio obtained in the charging process, so that reliable data is provided for subsequent accurate adjustment of the charging strategy.
In some embodiments, the adjusting the charging policy of the battery of the corresponding model according to the aging information includes:
determining the next capacity ratio of the battery of the corresponding model corresponding to the next charging cycle times based on the aging acceleration;
and when the next capacity ratio is smaller than or equal to a preset ratio threshold, adjusting the charging strategy of the battery of the corresponding model.
That is, the embodiment of the disclosure predicts the next capacity ratio to adjust the charging strategy of the battery by the aging acceleration of the battery during the power supply. Therefore, the aging condition of the battery under different charging behaviors and different charging scenes can be considered, so that the next capacity ratio obtained by prediction is more accurate, and the accuracy of adjusting the charging strategy can be improved.
The preset ratio threshold can be set according to actual requirements. For example, the preset ratio threshold may be set to 80% or 70%, and embodiments of the present disclosure are not limited.
Illustratively, as shown in fig. 4, when the next capacity ratio of the next charge cycle number determined by the aging acceleration is less than 80%, it indicates that the predicted battery is aged abnormally, and thus it is necessary to adjust the charge strategy of the battery.
In some embodiments, the method further comprises:
And when the next capacity ratio is larger than the preset ratio threshold, maintaining the current charging strategy of the battery with the corresponding model.
It can be understood that the next capacity ratio is predicted to be greater than the preset ratio threshold, indicating that the battery is in a normal state, and thus the charging strategy of the battery does not need to be adjusted.
For example, as shown in fig. 5, when the next capacity ratio of the next charge cycle number determined by the aging acceleration is greater than 80%, it indicates that the current charge strategy of the battery is maintained without adjusting the charge strategy of the battery.
In some embodiments, the adjusting the charging policy of the corresponding model of battery includes:
acquiring a preset adjustment ratio of the battery of the corresponding model;
determining the current charging parameters of the corresponding type of battery under the current charging strategy;
And determining the charging strategy of the battery of the corresponding model based on the current charging parameter and the preset adjustment ratio.
The preset adjustment ratio is used for adjusting the current charging parameters. The preset adjustment ratio is in the range of 0 to 1. For example, the preset adjustment ratio may be set to 0.3, 0.5, or 0.7, and embodiments of the present disclosure are not limited.
In the embodiment of the disclosure, the charging strategy of the battery is determined based on the current charging parameter and the preset adjustment ratio, and the method comprises the steps of determining the adjusted charging parameter based on the product of the current charging parameter and the preset adjustment ratio, and forming the adjusted charging strategy based on the adjusted charging parameter.
In some embodiments, the present charging parameters include at least one of present charging voltage, present charging current, present charging load, present charging temperature.
In the embodiment of the disclosure, when the current charging parameter is the current charging voltage, the charging voltage after the battery is adjusted can be determined through the current charging voltage and the preset adjustment ratio, and when the current charging parameter is the current charging current, the charging current after the battery is adjusted can be determined through the current charging current and the preset adjustment ratio.
It can be understood that the charging strategy of the battery can be adjusted by presetting the adjustment ratio and the current charging parameters, so that the charging strategy more suitable for the current battery can be obtained, the condition that the battery is not durable caused by different conditions can be reduced, and the service life of the battery is prolonged.
In some embodiments, the adjusting the charging policy of the battery of the corresponding model according to the aging information includes:
according to the aging information, adjusting a charging strategy contained in the factory setting of the battery of the corresponding model;
Or alternatively
And adjusting the current charging strategy of the battery of the corresponding model according to the aging information, wherein the current charging strategy is the charging strategy currently used by the battery and is different from the charging strategy set by a factory.
In an embodiment of the present disclosure, the adjusting the charging policy included in the factory setting of the battery of the corresponding model may include presetting the adjusted charging policy in the factory setting when the battery of the terminal device is in the factory setting. Thus, the charging strategy of the unused new terminal equipment can be adjusted, and the adjusting scene of the charging strategy can be further increased.
The adjusting the current charging policy of the battery of the corresponding model may include adjusting the charging policy currently used by the adjusted charging policy. In this way, the battery being used can be charged directly using the adjusted charging strategy.
For example, based on the adjusted charging strategy, the charging adjustment may be performed at the 400 th charging cycle or 500 th charging cycle, and embodiments of the present disclosure are not limited.
It can be understood that the charging strategy adjusted by the embodiment of the disclosure not only can adjust the charging strategy contained in the factory setting of the battery, but also can adjust the current charging strategy of the battery, so that the adjustment scene of the charging strategy can be enlarged, and the condition that the battery is not durable can be reduced by the adjusted charging strategy under different use conditions, so that the service life of the battery is prolonged.
In order to better understand the above embodiments, the embodiments of the present disclosure also propose the following embodiments:
As shown in fig. 6, the terminal device includes a first network module, a first storage module, a first process control module, a charging module, and a battery module.
As shown in fig. 7, the server includes a second network module, a second storage module, a second process control module, and an input-output calculation module.
The first processing control module in the terminal equipment acquires the battery voltage, the battery current and the battery temperature or the battery impedance of the battery in the battery module in the power supply process, determines the battery capacity values of the battery in different charging cycle times based on the battery voltage, the battery current and the battery temperature or the battery impedance, and stores the battery capacity values in different charging cycle times in the first storage module.
The first network module and the second network module are capable of establishing communication. The first network module sends the battery capacity values of the battery at different charging cycle times to the server at intervals of preset time length, and the second network module receives the battery capacity values of the battery at different charging cycle times.
After receiving the battery capacity values of the battery at different charging cycle times, the input/output calculation module determines aging information of the battery based on the received battery capacity values of the battery at different charging cycle times. The second process control module adjusts a charging strategy of the battery based on the aging information. The charging policy may be included in a system update procedure and updated to an adjusted charging policy when the terminal device updates the system procedure. In this way, the occurrence of the battery aging phenomenon can be reduced.
Fig. 8 is a block diagram illustrating a charging policy adjustment device according to an exemplary embodiment. Referring to fig. 8, the charging policy adjustment device includes an acquisition module 1001, a determination module 1002 and an adjustment module 1003, wherein,
An obtaining module 1001, configured to obtain battery capacity information of batteries of corresponding models of a plurality of terminal devices in a power supply process;
A determining module 1002 configured to determine aging information of the battery of the corresponding model based on battery capacity information of a plurality of the terminal devices;
and an adjustment module 1003 configured to adjust a charging policy of the battery of the corresponding model according to the aging information.
In some embodiments, the determining module 1002 includes:
A first determining submodule 1002a configured to obtain aging statistics of the corresponding model of battery based on the battery capacity information;
A second determining sub-module 1002b is configured to determine a trend of aging of the battery of the corresponding model based on the aging statistics.
In some embodiments, the first determining submodule 1002a is specifically configured to count a plurality of historical capacity values corresponding to a plurality of historical charging cycles of the corresponding model of battery based on the battery capacity information.
In some embodiments, the second determining submodule 1002b is specifically configured to determine a ratio of the historical capacity value to a preset minimum capacity value of the corresponding type of battery, obtain a plurality of capacity ratios corresponding to the plurality of historical charging cycles, obtain two adjacent capacity ratios under the adjacent historical charging cycles based on the plurality of capacity ratios, and determine an aging acceleration corresponding to the next charging cycle of the corresponding type of battery based on the two adjacent capacity ratios.
In some embodiments, the adjusting module 1003 is specifically configured to determine a next capacity ratio of the battery of the corresponding model corresponding to the next charging cycle number based on the aging acceleration, and adjust the charging policy of the battery of the corresponding model when the next capacity ratio is less than or equal to a preset ratio threshold.
In some embodiments, the apparatus further comprises:
and a maintaining module 1004, configured to maintain the current charging policy of the battery of the corresponding model when the next capacity ratio is greater than the preset ratio threshold.
In some embodiments, the adjusting module 1003 is further configured to obtain a preset adjustment ratio of the battery of the corresponding model, determine a current charging parameter of the battery of the corresponding model under a current charging policy, and determine a charging policy of the battery of the corresponding model based on the current charging parameter and the preset adjustment ratio.
In some embodiments, the present charging parameters include at least one of present charging voltage, present charging current, present charging load, present charging temperature.
In some embodiments, the adjusting module 1003 is further configured to adjust a charging policy included in the factory setting of the battery of the corresponding model according to the aging information, or adjust a current charging policy of the battery of the corresponding model according to the aging information, where the current charging policy is a charging policy currently used by the battery and is different from the factory setting charging policy.
In some embodiments, the apparatus further comprises:
A sending module 1005 configured to send the adjusted charging policy to a plurality of the terminal devices.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
Fig. 9 is a block diagram illustrating a charging policy adjustment device 1900 according to an example embodiment. For example, the apparatus 1900 may be provided as a server. Referring to fig. 9, the apparatus 1900 includes a processing component 1922 that further includes one or more processors and memory resources represented by memory 1932 for storing instructions, such as application programs, that are executable by the processing component 1922. The application programs stored in memory 1932 may include one or more modules each corresponding to a set of instructions. Further, the processing component 1922 is configured to execute instructions to perform the charging policy adjustment method described above.
A non-transitory computer readable storage medium, which when executed by a processor, causes a server to perform a charging policy adjustment method, the method comprising:
acquiring battery capacity information of batteries of corresponding models of a plurality of terminal devices in a power supply process;
determining aging information of the batteries of the corresponding models based on battery capacity information of a plurality of terminal devices;
and adjusting the charging strategy of the battery of the corresponding model according to the aging information.
The apparatus 1900 may further include a power component 1926 configured to perform power management of the apparatus 1900, a wired or wireless network interface 1950 configured to connect the apparatus 1900 to a network, and an input/output (I/O) interface 1958. The device 1900 may operate based on an operating system stored in memory 1932, such as Windows Server, mac OS XTM, unixTM, linuxTM, freeBSDTM, or the like.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (14)
1. A charging policy adjustment method, applied to a server, the method comprising:
acquiring battery capacity information of batteries of corresponding models of a plurality of terminal devices in a power supply process;
determining aging information of the batteries of the corresponding models based on battery capacity information of a plurality of terminal devices;
according to the aging information, adjusting the charging strategy of the battery of the corresponding model;
The aging information includes aging acceleration;
the adjusting the charging strategy of the battery with the corresponding model according to the aging information comprises the following steps:
determining the next capacity ratio corresponding to the next charging cycle number of the battery of the corresponding model based on the aging acceleration;
When the next capacity ratio is smaller than or equal to a preset ratio threshold, adjusting the charging strategy of the battery of the corresponding model;
The determining the aging information of the battery of the corresponding model based on the battery capacity information of the plurality of terminal devices includes:
Based on the battery capacity information, obtaining aging statistical data of the battery of the corresponding model;
determining the aging trend of the battery of the corresponding model based on the aging statistical data;
based on the battery capacity information, the obtaining the aging statistical data of the battery with the corresponding model includes:
based on the battery capacity information, a plurality of historical capacity values corresponding to a plurality of historical charging cycle times of the battery of the corresponding model are obtained through statistics;
The determining the aging trend of the battery of the corresponding model based on the aging statistical data comprises the following steps:
determining the ratio of the historical capacity value to the preset minimum capacity value of the corresponding type of battery to obtain a plurality of capacity ratios corresponding to the plurality of historical charging cycle times;
Based on a plurality of capacity ratios, acquiring two adjacent capacity ratios under the adjacent historical charging cycle times;
And determining the aging acceleration corresponding to the number of the next charging cycles of the battery of the corresponding model based on the ratio of the adjacent two capacities.
2. The method according to claim 1, wherein the method further comprises:
And when the next capacity ratio is larger than the preset ratio threshold, maintaining the current charging strategy of the battery with the corresponding model.
3. The method according to claim 1 or 2, wherein said adjusting the charging strategy of the battery of the corresponding model comprises:
acquiring a preset adjustment ratio of the battery of the corresponding model;
determining the current charging parameters of the corresponding type of battery under the current charging strategy;
And determining the charging strategy of the battery of the corresponding model based on the current charging parameter and the preset adjustment ratio.
4. A method according to claim 3, wherein the current charging parameters comprise at least one of:
current charge voltage, current charge current, current charge load, current charge temperature.
5. The method according to claim 1 or 2, wherein adjusting the charging policy of the corresponding model battery according to the aging information comprises:
according to the aging information, adjusting a charging strategy contained in the factory setting of the battery of the corresponding model;
Or alternatively
And adjusting the current charging strategy of the battery of the corresponding model according to the aging information, wherein the current charging strategy is the charging strategy currently used by the battery and is different from the charging strategy set by a factory.
6. The method according to claim 1 or 2, characterized in that the method further comprises:
And sending the adjusted charging strategies to a plurality of terminal devices.
7. A charging policy adjustment device, the device comprising:
The acquisition module is configured to acquire battery capacity information of batteries of corresponding models of the plurality of terminal equipment in a power supply process;
a determining module configured to determine aging information of the battery of the corresponding model based on battery capacity information of a plurality of the terminal devices;
the adjusting module is configured to adjust the charging strategy of the battery of the corresponding model according to the aging information;
The aging information includes aging acceleration;
the adjusting module is specifically configured to determine a next capacity ratio corresponding to the number of next charging cycles of the battery of the corresponding model based on the aging acceleration, and adjust a charging strategy of the battery of the corresponding model when the next capacity ratio is smaller than or equal to a preset ratio threshold;
The determining module includes:
The first determining submodule is configured to acquire ageing statistical data of the corresponding type of battery based on the battery capacity information;
a second determining sub-module configured to determine an aging trend of the corresponding model of battery based on the aging statistics;
the first determining submodule is specifically configured to count a plurality of historical capacity values corresponding to a plurality of historical charging cycle times of the corresponding type of battery based on the battery capacity information;
The second determining submodule is specifically configured to determine the ratio of the historical capacity value to the preset minimum capacity value of the corresponding type battery to obtain a plurality of capacity ratios corresponding to the plurality of historical charging cycle times, acquire two adjacent capacity ratios under the adjacent historical charging cycle times based on the plurality of capacity ratios, and determine the aging acceleration corresponding to the next charging cycle times of the corresponding type battery based on the two adjacent capacity ratios.
8. The apparatus of claim 7, wherein the apparatus further comprises:
And the maintaining module is configured to maintain the current charging strategy of the battery of the corresponding model when the next capacity ratio is larger than the preset ratio threshold.
9. The apparatus of claim 7 or 8, wherein the adjustment module is further configured to obtain a preset adjustment ratio for the corresponding model of battery, determine a current charging parameter for the corresponding model of battery under a current charging policy, and determine a charging policy for the corresponding model of battery based on the current charging parameter and the preset adjustment ratio.
10. The apparatus of claim 9, wherein the current charging parameter comprises at least one of a current charging voltage, a current charging current, a current charging load, and a current charging temperature.
11. The apparatus of claim 7 or 8, wherein the adjustment module is further configured to adjust a charging policy included in a factory setting of the battery of the corresponding model according to the aging information, or adjust a current charging policy of the battery of the corresponding model according to the aging information, wherein the current charging policy is a charging policy currently used by the battery and different from the factory setting charging policy.
12. The apparatus according to claim 7 or 8, characterized in that the apparatus further comprises:
and the sending module is configured to send the adjusted charging strategies to a plurality of terminal devices.
13. A charging policy adjustment device comprising at least a processor and a memory for storing executable instructions capable of running on the processor, wherein:
the processor is configured to execute the executable instructions, when the executable instructions are executed, to perform the steps of the charging policy adjustment method provided in any one of the preceding claims 1 to 6.
14. A non-transitory computer-readable storage medium having stored therein computer-executable instructions that, when executed by a processor, implement the charging policy adjustment method provided in any one of the preceding claims 1 to 6.
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