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CN-122026578-A - Charging and discharging control method and device of power supply equipment, electronic equipment and storage medium

CN122026578ACN 122026578 ACN122026578 ACN 122026578ACN-122026578-A

Abstract

The embodiment of the disclosure provides a charge and discharge control method, a device, an electronic device and a storage medium of power equipment, wherein the power equipment is provided with an input and output end and a battery core, the input and output end and the battery core are electrically connected, the charge and discharge control method comprises the steps of acquiring battery core voltage on the battery core in the process that the power equipment charges and discharges through the input and output end, acquiring battery core capacity and input and output multiplying power of the battery core when the battery core voltage is reduced, determining target power based on the battery core capacity, the input and output multiplying power and the reduced battery core voltage, and adjusting operation parameters of the input and output end based on the target power to perform downshift processing on the working power of the input and output end until the working power of the input and output end is reduced below the target power. According to the embodiment of the disclosure, the input and output efficiency of the power supply equipment can be improved on the premise that the battery cell does not work in an ultra-multiplying mode.

Inventors

  • YANG HUAJUN
  • CHEN MINGQIU
  • WU MAODONG
  • LI ENSHAN

Assignees

  • 深圳市倍思科技有限公司

Dates

Publication Date
20260512
Application Date
20241104

Claims (10)

  1. 1. The charge and discharge control method of the power supply equipment is characterized in that the power supply equipment is provided with an input and output end and a battery cell, the input and output end is electrically connected with the battery cell, and the charge and discharge control method comprises the following steps: Acquiring a battery cell voltage on the battery cell in the process of charging and discharging the power supply equipment through the input and output ends; When the battery cell voltage is reduced, acquiring the battery cell capacity and the input/output multiplying power of the battery cell, and determining target power based on the battery cell capacity, the input/output multiplying power and the reduced battery cell voltage; And adjusting the operation parameters of the input and output ends based on the target power to perform the downshift processing on the working power of the input and output ends until the working power of the input and output ends is reduced below the target power.
  2. 2. The charge-discharge control method of the power supply apparatus according to claim 1, wherein when the cell voltage decreases, acquiring a cell capacity and an input-output ratio of the cell, and determining a target power based on the cell capacity, the input-output ratio, and the decreased cell voltage, comprises: When the battery cell voltage is lower than a preset target voltage, acquiring the battery cell capacity and the input/output multiplying power of the battery cell, wherein the target voltage is the maximum value of any one of a plurality of continuous voltage value intervals; and multiplying the capacity of the battery cell, the input/output multiplying power and the target voltage to obtain target power matched with the size of the voltage value interval where the battery cell is currently located.
  3. 3. The charge-discharge control method of a power supply device according to claim 2, wherein multiplying the battery capacity, the input-output ratio and the target voltage to obtain a target power matching the size of the voltage value interval in which the battery capacity, the input-output ratio and the target voltage are currently located, comprises: obtaining the conversion efficiency of the battery cell; and multiplying the capacity of the battery cell, the input and output multiplying power, the target voltage and the conversion efficiency to obtain target power matched with the size of the voltage value interval where the battery cell is currently located.
  4. 4. The charge-discharge control method of a power supply device according to claim 3, wherein the obtaining the conversion efficiency of the battery cell includes: acquiring a preset first efficiency value, and taking the first efficiency value as the conversion efficiency of the battery cell; or obtaining the lowest conversion efficiency of the power supply equipment in a plurality of different working states, jointly determining a second efficiency value based on the plurality of different lowest conversion efficiencies, and taking the second efficiency value as the conversion efficiency of the battery cell.
  5. 5. The charge-discharge control method of the power supply apparatus according to claim 1, wherein when the cell voltage decreases, acquiring a cell capacity and an input-output ratio of the cell, and determining a target power based on the cell capacity, the input-output ratio, and the decreased cell voltage, comprises: when the voltage of the battery cell is reduced, obtaining the battery cell capacity and the input/output multiplying power of the battery cell; And multiplying the battery cell capacity, the input-output multiplying power and the real-time battery cell voltage to obtain target power matched with the current battery cell voltage.
  6. 6. The charge-discharge control method of the power supply apparatus according to claim 1, wherein the acquiring the cell capacity and the input-output ratio of the cell and determining the target power based on the cell capacity, the input-output ratio, and the reduced cell voltage includes: Acquiring the battery cell capacity and initial input/output multiplying power of the battery cell, and acquiring the battery cell temperature on the battery cell; Adjusting the initial input-output multiplying power based on the battery cell temperature to obtain an adjusted input-output multiplying power; And determining target power based on the battery cell capacity, the adjusted input-output multiplying power and the reduced battery cell voltage.
  7. 7. The charge-discharge control method of a power supply apparatus according to claim 1, wherein said adjusting the operation parameters of the input-output terminal based on the target power to perform a downshift process on the operation power of the input-output terminal until the operation power of the input-output terminal falls below the target power includes: And adjusting the magnitude of the input/output voltage or the input/output current of the input/output end based on the target power so as to perform the downshift processing on the working power of the input/output end until the working power of the input/output end is reduced below the target power.
  8. 8. The utility model provides a charge-discharge control device of power supply unit, its characterized in that, power supply unit is provided with input/output end and electric core, input/output end with electric connection between the electric core, charge-discharge control device includes: The voltage acquisition module is used for acquiring the battery cell voltage on the battery cell in the process of charging and discharging the power supply equipment through the input and output ends; The power determining module is used for acquiring the battery cell capacity and the input/output multiplying power of the battery cell when the battery cell voltage is reduced, and determining target power based on the battery cell capacity, the input/output multiplying power and the reduced battery cell voltage; and the power adjustment module is used for adjusting the operation parameters of the input and output ends based on the target power so as to perform the downshift processing on the working power of the input and output ends until the working power of the input and output ends is reduced below the target power.
  9. 9. An electronic device comprising a memory storing a computer program and a processor implementing the charge and discharge control method of the power supply device according to any one of claims 1 to 7 when the processor executes the computer program.
  10. 10. A computer-readable storage medium storing a computer program, characterized in that the computer program, when executed by a processor, implements the charge-discharge control method of the power supply device according to any one of claims 1 to 7.

Description

Charging and discharging control method and device of power supply equipment, electronic equipment and storage medium Technical Field The disclosure relates to the technical field of power supply control, and in particular relates to a charge and discharge control method and device of power supply equipment, electronic equipment and a storage medium. Background The power supply device is a device that can supply power to charge an electronic device that accesses the power supply device, and can also charge a power supply in the power supply device. The power supply in the power supply equipment is a battery core capable of being charged and discharged, and the input and output multiplying power of the battery core influences the charging and discharging efficiency of the power supply equipment. In the related art, the input/output multiplying power of the battery core is affected by the working power of the power supply device, in order to avoid the condition that the battery core is used in an ultra-multiplying power, the working power of the power supply device is often required to be limited, although the battery core cannot be in risk of the ultra-multiplying power working at this time, the lower working power of the power supply device reduces the input/output efficiency of the power supply device, and the charge/discharge experience of the power supply device is affected. Disclosure of Invention The main purpose of the disclosed embodiments is to provide a charge and discharge control method and device for a power supply device, an electronic device and a storage medium, which can improve the input and output efficiency of the power supply device on the premise that a battery cell does not work in an ultra-multiplying mode. To achieve the above object, a first aspect of the embodiments of the present disclosure provides a charge and discharge control method of a power supply device, where the power supply device is provided with an input/output end and a battery cell, and the input/output end is electrically connected with the battery cell, the charge and discharge control method includes: Acquiring a battery cell voltage on the battery cell in the process of charging and discharging the power supply equipment through the input and output ends; When the battery cell voltage is reduced, acquiring the battery cell capacity and the input/output multiplying power of the battery cell, and determining target power based on the battery cell capacity, the input/output multiplying power and the reduced battery cell voltage; And adjusting the operation parameters of the input and output ends based on the target power to perform the downshift processing on the working power of the input and output ends until the working power of the input and output ends is reduced below the target power. In some embodiments, when the cell voltage decreases, obtaining a cell capacity and an input-output ratio of the cell, and determining a target power based on the cell capacity, the input-output ratio, and the decreased cell voltage includes: When the battery cell voltage is lower than a preset target voltage, acquiring the battery cell capacity and the input/output multiplying power of the battery cell, wherein the target voltage is the maximum value of any one of a plurality of continuous voltage value intervals; and multiplying the capacity of the battery cell, the input/output multiplying power and the target voltage to obtain target power matched with the size of the voltage value interval where the battery cell is currently located. In some embodiments, the multiplying the battery capacity, the input/output multiplying power and the target voltage to obtain a target power matching the size of the voltage value interval currently located includes: obtaining the conversion efficiency of the battery cell; and multiplying the capacity of the battery cell, the input and output multiplying power, the target voltage and the conversion efficiency to obtain target power matched with the size of the voltage value interval where the battery cell is currently located. In some embodiments, the obtaining the conversion efficiency of the battery cell includes: acquiring a preset first efficiency value, and taking the first efficiency value as the conversion efficiency of the battery cell; or obtaining the lowest conversion efficiency of the power supply equipment in a plurality of different working states, jointly determining a second efficiency value based on the plurality of different lowest conversion efficiencies, and taking the second efficiency value as the conversion efficiency of the battery cell. In some embodiments, when the cell voltage decreases, obtaining a cell capacity and an input-output ratio of the cell, and determining a target power based on the cell capacity, the input-output ratio, and the decreased cell voltage includes: when the voltage of the battery cell is reduced, obtaining the battery cell capacity and the i