Search

CN-121984158-A - Intelligent regulation and control method and system for quick and slow charging of mobile phone

CN121984158ACN 121984158 ACN121984158 ACN 121984158ACN-121984158-A

Abstract

The invention relates to the technical field of mobile terminal power management, in particular to an intelligent regulation and control method and system for quick and slow charging of a mobile phone, wherein the method comprises the steps of obtaining battery aging evaluation data, capacity analysis results and historical use record information, inputting a battery health evaluation model, and outputting battery health grade and battery abnormal state information; the method comprises the steps of obtaining user usage habit data, generating a charging control scheme based on battery health grade, battery abnormal state information and the user usage habit data, determining initial time of fast and slow charging switching, controlling a charger to execute fast charging and slow charging according to the charging control scheme, collecting battery temperature, reducing charging power when the battery temperature exceeds a temperature threshold value, updating the charging control scheme, monitoring battery health protection indexes, adjusting charging power when the battery health protection indexes exceed a protection threshold value to form final charging execution parameters, feeding back execution data to update the battery health grade and update the charging control scheme, realizing closed-loop self-updating, and considering charging efficiency and battery life.

Inventors

  • WANG HONGFENG

Assignees

  • 北京纽曼腾飞科技有限公司

Dates

Publication Date
20260505
Application Date
20251231

Claims (10)

  1. 1. An intelligent regulation and control method for charging a mobile phone quickly and slowly is characterized by comprising the following steps: Acquiring battery aging evaluation data, a capacity analysis result and historical use record information, inputting the battery aging evaluation data, the capacity analysis result and the historical use record information into a battery health evaluation model, and determining battery health grade and battery abnormal state information; Acquiring user usage habit data, determining initial time of fast and slow charge switching based on battery health grade, battery abnormal state information and user usage habit data, and generating a charge control scheme; the charger is controlled to execute fast charging and slow charging according to a charging control scheme, collect battery temperature information, compare the battery temperature information with a preset temperature threshold, reduce charging power when the battery temperature information exceeds the preset temperature threshold, and update the charging control scheme; Monitoring a battery health protection index, comparing the battery health protection index with a preset protection threshold, and adjusting charging power to determine final charging execution parameters when the battery health protection index exceeds the preset protection threshold; And feeding back the execution data corresponding to the final charging execution parameters to the battery health evaluation model to update the battery health grade, and updating the charging control scheme.
  2. 2. The method of claim 1, wherein obtaining battery aging evaluation data comprises obtaining battery cycle number information and battery direct current internal resistance estimation information, obtaining a capacity analysis result comprises obtaining rated capacity information and available capacity estimation information, and obtaining historical usage record information comprises obtaining charge number information, depth of discharge statistics information, and ambient temperature statistics information.
  3. 3. The method of claim 2, wherein the battery health assessment model uses a support vector machine classification model, wherein the battery cycle number information, the battery direct current internal resistance estimation information and the available capacity estimation information form a classification feature vector, and wherein the support vector machine classification model is input to output the battery health level and the battery abnormal state information.
  4. 4. The method of claim 1, wherein obtaining user usage habit data comprises obtaining cell phone usage period statistics, cell phone usage duration statistics, and target power setting information.
  5. 5. The method of claim 4, wherein determining the fast and slow charge switching initiation times and generating the charge control scheme based on the battery health level, the battery abnormal state information, and the user usage habit data comprises determining a charge priority level based on the battery health level, the battery abnormal state information, and the target charge setting information, determining the fast and slow charge switching initiation times based on the charge priority level, and determining a fast charge stage charging power upper limit and a slow charge stage charging power upper limit of the charge control scheme.
  6. 6. The method of claim 1, further comprising obtaining user preset scene mode identification information including general charge scene mode identification information and emergency charge scene mode identification information, inputting battery aging evaluation data, capacity analysis results, historical usage record information and user preset scene mode identification information into a neural network model to output capacity fade risk, and adjusting a fast and slow charge switching initial opportunity and updating a charge control scheme based on the capacity fade risk.
  7. 7. The method of claim 5, wherein the charge control scheme includes a fast charge phase upper charge power limit, a slow charge phase upper charge power limit, a fast and slow charge switch initiation timing, a fast charge phase duration, and a slow charge phase duration.
  8. 8. The method of claim 7, wherein collecting battery temperature information includes obtaining battery temperature information and performing a filtering process on the battery temperature information according to a preset sampling period, and wherein reducing the charge power and updating the charge control scheme includes reducing an upper limit of the charge power in the fast charge phase and adjusting a duration of the fast charge phase and a duration of the slow charge phase.
  9. 9. The method of claim 7, wherein the battery health protection indicator comprises a battery temperature rise rate, a charging current fluctuation range, and a battery terminal voltage fluctuation range, the preset protection threshold comprises a battery temperature rise rate threshold, a charging current fluctuation range threshold, and a battery terminal voltage fluctuation range threshold, the adjusting the charging power to determine the final charge execution parameters comprises reducing an upper fast charge stage charging power limit and a lower slow charge stage charging power limit, and the execution data comprises a fast and slow charge switching initiation timing, a fast charge stage duration, a slow charge stage duration, charging power change information, battery temperature information, charging current information, and battery terminal voltage information.
  10. 10. An intelligent regulation and control system for charging a mobile phone, for implementing the intelligent regulation and control method for charging a mobile phone according to any one of claims 1 to 9, wherein the system comprises: the health evaluation module is configured to acquire battery aging evaluation data, capacity analysis results and historical usage record information, and input the battery aging evaluation data, the capacity analysis results and the historical usage record information into the battery health evaluation model so as to determine battery health grade and battery abnormal state information; the scheme generating module is configured to acquire user use habit data, determine the initial time of switching between fast and slow charging based on the battery health grade, the battery abnormal state information and the user use habit data and generate a charging control scheme; The temperature regulation and control module is configured to control the charger to execute fast charging and slow charging according to a charging control scheme, collect battery temperature information, compare the battery temperature information with a preset temperature threshold value, reduce charging power when the battery temperature information exceeds the preset temperature threshold value, and update the charging control scheme; the protection monitoring module is configured to monitor a battery health protection index, compare the battery health protection index with a preset protection threshold, and adjust charging power to determine final charging execution parameters when the battery health protection index exceeds the preset protection threshold; and the feedback updating module is configured to feed back the execution data corresponding to the final charging execution parameters to the battery health evaluation model so as to update the battery health grade and update the charging control scheme.

Description

Intelligent regulation and control method and system for quick and slow charging of mobile phone Technical Field The invention relates to the technical field of mobile terminal power management, in particular to an intelligent regulation and control method and system for quick and slow charging of a mobile phone. Background With the continuous increase of the charging power of the mobile terminal, the competition of charger products is changed from simply improving the output capability to the comprehensive capability of considering the consistency of general adaptation, safety compliance and battery life. The industry end commonly adopts multi-gear output and protocol compatibility to realize quick energy supplementing, but the problems of temperature rise accumulation, power supplementing time lengthening, unstable output caused by different terminal strategy differences and the like still exist in a high-charge state stage, and the cycle life and after-sale reliability of the battery are further affected. Meanwhile, battery state, use behavior and environment information generated by a terminal side are increasingly abundant, state attribution and strategy optimization are combined with industrial big data to become important directions for improving charging experience and full life cycle management level of the battery, and the existing charger is lack of a control mechanism which is in closed loop linkage with the terminal state, is configurable in user target electric quantity and is self-updated in a cross-session mode, so that a verifiable 'power reduction-protection-feedback' path is difficult to form. Disclosure of Invention The invention provides an intelligent regulation and control method and system for quick and slow charging of a mobile phone, which are used for at least solving the problems of how to carry out closed-loop scheduling on charging power and reducing overcharge and thermal risks based on battery health and use behaviors under general adaptation conditions. In a first aspect, the present invention provides an intelligent regulation method for charging a mobile phone quickly and slowly, which includes: Acquiring battery aging evaluation data, a capacity analysis result and historical use record information, inputting the battery aging evaluation data, the capacity analysis result and the historical use record information into a battery health evaluation model, and determining battery health grade and battery abnormal state information; Acquiring user usage habit data, determining initial time of fast and slow charge switching based on battery health grade, battery abnormal state information and user usage habit data, and generating a charge control scheme; the charger is controlled to execute fast charging and slow charging according to a charging control scheme, collect battery temperature information, compare the battery temperature information with a preset temperature threshold, reduce charging power when the battery temperature information exceeds the preset temperature threshold, and update the charging control scheme; Monitoring a battery health protection index, comparing the battery health protection index with a preset protection threshold, and adjusting charging power to determine final charging execution parameters when the battery health protection index exceeds the preset protection threshold; And feeding back the execution data corresponding to the final charging execution parameters to the battery health evaluation model to update the battery health grade, and updating the charging control scheme. In a second aspect, the present invention provides an intelligent regulation and control system for charging a mobile phone, for implementing an intelligent regulation and control method for charging the mobile phone, where the system includes: the health evaluation module is configured to acquire battery aging evaluation data, capacity analysis results and historical usage record information, and input the battery aging evaluation data, the capacity analysis results and the historical usage record information into the battery health evaluation model so as to determine battery health grade and battery abnormal state information; the scheme generating module is configured to acquire user use habit data, determine the initial time of switching between fast and slow charging based on the battery health grade, the battery abnormal state information and the user use habit data and generate a charging control scheme; The temperature regulation and control module is configured to control the charger to execute fast charging and slow charging according to a charging control scheme, collect battery temperature information, compare the battery temperature information with a preset temperature threshold value, reduce charging power when the battery temperature information exceeds the preset temperature threshold value, and update the charging control scheme; the protection monitori