Battery equalization management method, device and equipment and storage medium
A technology of battery balancing and management methods, applied in battery circuit devices, circuit devices, charge balancing circuits, etc., can solve the problems of not fully reflecting battery capacity and external characteristics of internal resistance, and achieve the effect of improving accuracy and consistency and improving consistency
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Embodiment 1
[0037] figure 1 It is a flowchart of a battery management method provided by Embodiment 1 of the present invention. The battery management method can be applied to the situation of performing balanced management on storage batteries, lithium batteries, etc., and the method can be executed by a battery management device, which can adopt implemented in software and / or hardware. Such as figure 1 As shown, the method specifically includes:
[0038] S110. Obtain the state of charge value (SOC value) and voltage value of each battery cell in the battery pack.
[0039] Among them, the battery cell is the basic unit for storing electricity in the battery pack. After the battery pack has been used for a period of time, the voltage value or SOC value of each battery cell may be inconsistent. At this time, by obtaining the SOC value or voltage value of each battery cell in the battery pack, and then calculate the The SOC difference or voltage difference between the cells is used to b...
Embodiment 2
[0073] figure 2 It is a flow chart of a battery balancing management method provided by Embodiment 2 of the present invention. This embodiment is optimized on the basis of the above embodiments. The method specifically includes:
[0074] S210. Obtain the state of charge value (SOC value) and voltage value of each battery cell in the battery pack.
[0075] S220. Determine whether the battery pack satisfies a preset balancing condition according to the SOC value of each battery cell.
[0076] Wherein, according to the SOC value of each battery cell, the difference between the SOC values of each battery cell can be calculated, so as to judge whether the battery cell satisfies the equilibrium condition according to the difference between the SOC values of each battery cell.
[0077] Optionally, the process specifically includes:
[0078] Determine the SOC difference between each adjacent battery cell in the battery pack according to the SOC value of each battery cell;
[0...
Embodiment 3
[0114] Figure 7 It is a flow chart of a battery balancing management method provided by Embodiment 3 of the present invention, the method includes:
[0115] S710, start.
[0116] S720. Collect the SOC value and voltage value of the battery cell.
[0117] S730. Determine whether to enable automatic equalization charging.
[0118] Use the SOC value of the battery cell to determine the maximum SOC in the SOC difference max and minimum SOC min , and then calculate △SOC according to the following formula max :
[0119] △SOC max = SOC max -SOC min (4)
[0120] When △SOC max When ≥β, turn on automatic equalization charging;
[0121] Otherwise, repeat step S720 to continue collecting the SOC value and voltage value of the battery cell.
[0122] S740. Determine whether the SOC value of the battery cell is in a voltage plateau period.
[0123] If the SOC value of the battery cell is in the voltage plateau period, go to step S741 and use the SOC value of the battery cell a...
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