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Calibration method and terminal for battery power

A terminal and power technology, applied in battery circuit devices, arrangement of multiple synchronous batteries, charge equalization circuits, etc., can solve problems such as battery cell polarization

Active Publication Date: 2018-12-21
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The current battery is prone to battery polarization

Method used

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  • Calibration method and terminal for battery power
  • Calibration method and terminal for battery power
  • Calibration method and terminal for battery power

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Embodiment Construction

[0046]Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals 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 present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0047] As mentioned above, on the one hand, current batteries are prone to battery polarization. For example, during the discharge process of the battery, the battery voltage will be relatively low relative to the equilibrium voltage, and during the battery charging process, the battery voltage will be relatively high relative to the equilibrium voltage. For aged batteries, the deviati...

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Abstract

The invention discloses a battery power calibration method and a terminal. The method is applied to an electric quantity meter. The electric quantity meter is arranged in the terminal. The terminal further comprises a battery to be tested connected with the electric quantity meter. The method comprises that the electric quantity meter obtains the first voltage of the battery to be tested when charging; electric quantity meter obtains a second voltage of the battery to be tested when charging; The electric quantity meter determines a third voltage according to the first voltage and the second voltage, and determines the electric quantity of the battery to be tested according to the third voltage; Wherein the first voltage is smaller than the third voltage and the third voltage is smaller than the second voltage so that more accurate battery charge can be obtained.

Description

technical field [0001] The present disclosure relates to the technical field of terminals, and in particular, to a battery power calibration method and a terminal. Background technique [0002] The fuel gauge of the battery is the original part to confirm the remaining power of the battery during the use of the battery. The working principle of the current fuel gauge is to first obtain the voltage of the battery, and determine the current power of the battery according to the corresponding relationship between the voltage and the battery power. Wherein, different voltages usually correspond to different battery capacities. [0003] At present, the battery is prone to battery polarization. The so-called battery polarization is a phenomenon in which the electrode voltage deviates from the equilibrium voltage of the battery. For example, during the discharge process of the battery, the battery voltage will be relatively low relative to the equilibrium voltage, and during the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/0016
Inventor 高锃魏学文王宗强
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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