Battery electric quantity detection method, device and system and storage medium
A technology of battery power and detection method, applied in measurement devices, measurement of electrical variables, measurement of electricity, etc., can solve problems such as high cost requirements, increased ampere-hour cumulative error, and inability to cope with current change application scenarios, to ensure accuracy. and stability, the effect of ensuring accuracy
Pending Publication Date: 2022-07-29
SHENZHEN PUDU TECH CO LTD
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Problems solved by technology
The open circuit voltage method is not applicable to the working lead-acid battery; because the discharge current has a great influence on the discharge voltage of the lead-acid battery, the discharge voltage method cannot cope with the application scene with large current changes; the internal resistance method and the neural network method are not suitable for components The cost requirements are relatively high; the ampere-hour integral method will gradually increase the cumulative error of the ampere-hour integral with the increase in the use time of the lead-acid battery
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[0059]In the following description, for the purpose of illustration rather than limitation, specific details such as a specific system structure and technology are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
[0060] It is to be understood that, when used in this specification and the appended claims, the term "comprising" indicates the presence of the described feature, integer, step, operation, element and / or component, but does not exclude one or more other The presence or addition of features, integers, steps, operations, elements, components and / or sets thereof.
[00...
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The invention is suitable for the technical field of lead-acid battery detection, and provides a battery electric quantity detection method, device and system and a storage medium. The method for detecting the electric quantity of the battery comprises the following steps: acquiring the current, the voltage and the power utilization cycle index of the battery; determining the actual capacity of the battery according to the power utilization cycle index; determining a first reference electric quantity of the battery according to the voltage and the actual capacity; determining a second reference electric quantity of the battery according to the current; and determining the real electric quantity of the battery according to the first reference electric quantity and the second reference electric quantity. According to the battery electric quantity detection method provided by the embodiment of the invention, the electric quantity of the lead-acid battery can be detected with relatively high precision.
Description
technical field [0001] The present application belongs to the technical field of lead-acid battery detection, and in particular relates to a battery power detection method, device, system and storage medium. Background technique [0002] At present, lead-acid batteries are widely used in transportation, communication, electric power and aviation fields due to their advantages of wide operating temperature and stable performance. During the use of lead-acid batteries, if the discharge protection and charging protection of lead-acid batteries are not carried out, the service life of lead-acid batteries will be damaged, and even lead-acid batteries will be scrapped. Therefore, it is particularly important to detect the power of the lead-acid battery to prevent the lead-acid battery from being overcharged and overdischarged. [0003] At present, the main methods for detecting the power of lead-acid batteries are voltage method (open circuit voltage method and discharge voltage ...
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IPC IPC(8): G01R31/385G01R31/388G01R31/379
CPCG01R31/385G01R31/388G01R31/379
Inventor 陈金明
Owner SHENZHEN PUDU TECH CO LTD