Discharge remaining time calculation method and device and computer equipment
A technology of remaining time and calculation method, which is applied to measuring devices, measuring electricity, measuring electric variables, etc., can solve problems such as inaccurate calculation of remaining discharge time, and achieve the effect of improving update speed and accuracy
Active Publication Date: 2021-11-12
ECOFLOW TECH LTD
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[0003] The main purpose of this application is to provide a calculation method, device and computer equipment for the remaining discharge time, aiming to solve the disadvantages of inaccurate calculation of the remaining discharge time of existing energy storage equipment
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[0021] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0022] refer to figure 1 , an embodiment of the present application provides a method for calculating the remaining discharge time, which is suitable for energy storage devices, including:
[0023] S1: collecting the discharge current and remaining power of the battery module of the energy storage device according to a preset frequency;
[0024] S2: Calculate the current difference between the discharge current of the battery module at the current moment and the discharge current at the previous moment;
[0025] S3: When the current difference is not greater than the cur...
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The invention provides a discharge remaining time calculation method and device and computer equipment. A management system of energy storage equipment collects discharge current of the energy storage equipment according to a preset frequency, and carries out amplitude limiting jitter processing on the sampled discharge current. And when the current difference value between the discharge current at the current moment and the discharge current at the last moment is not greater than the current threshold value, the sampled discharge current is considered to be unchanged, so that the target discharge current at the last moment is directly used for calculating the discharge remaining time. And when the current difference value between the discharge current at the current moment and the discharge current at the last moment is greater than the current threshold value, a new target discharge current (namely the target discharge current at the current moment) is obtained through recalculation, so that the filtered current approaches the actual current as soon as possible, and the updating speed and accuracy of the discharge remaining time are further improved.
Description
technical field [0001] The present application relates to the technical field of energy storage equipment management, in particular to a calculation method, device and computer equipment for remaining discharge time. Background technique [0002] When an existing energy storage device (such as a battery) is being discharged, it is generally calculated based on the current remaining power and the discharge current of the energy storage device to obtain the remaining discharge time. However, when the discharge current is sampled, current sampling jitter is likely to occur, which leads to inaccurate remaining discharge time obtained in subsequent calculations. Contents of the invention [0003] The main purpose of this application is to provide a calculation method, device and computer equipment for the remaining discharge time, aiming at solving the disadvantage of inaccurate calculation of the remaining discharge time of the existing energy storage equipment. [0004] In o...
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IPC IPC(8): G01R31/396G01R31/385G01R31/387G01R31/367G01R31/36
CPCG01R31/396G01R31/385G01R31/387G01R31/367G01R31/3648G01R31/382G01R31/3832H02J7/0048G01R19/10G01R19/16571G01R31/3646
Inventor 王雷陈熙
Owner ECOFLOW TECH LTD