Method and device for detecting electric quantity of dry battery

A power detection and dry battery technology, which is applied in the direction of measuring devices, measuring electric variables, measuring electricity, etc., can solve problems such as inability to accurately predict the change trend of battery power, affect user experience, and suddenly drop power, so as to improve the accuracy of power prediction , Improve user experience, data smoothing effect
CN112731177APending Publication Date: 2021-04-30SHENZHEN KAADAS INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHENZHEN KAADAS INTELLIGENT TECH CO LTD
Publication Date
2021-04-30

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Abstract

The invention provides a dry cell electric quantity detection method and device, and the method comprises the steps: carrying out the continuous collection of the voltage of a dry cell at a preset time interval, and forming a voltage oscillogram; filtering the acquired voltage of the dry battery through a median average filtering method to obtain the highest peak value and the lowest peak value of the voltage; performing weighted recursive filtering on the highest peak value of the voltage to smooth an oscillogram of the highest peak value of the voltage; calculating a discharge curve of the dry battery according to the characteristic that the discharge internal resistance of the dry battery increases; and establishing an electric quantity model table of the dry battery according to the discharge curve of the dry battery to obtain a percentage curve of residual electric quantity corresponding to the dry battery. The invention has the beneficial effects that the residual electric quantity trend of the dry battery can be accurately predicted, large-amplitude pulse interference is eliminated, and data smoothness is achieved.
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Description

technical field

[0001] The invention relates to a power detection method and device, in particular to a dry battery power detection method and device. Background technique

[0002] At present, the detection of dry battery power is mainly by measuring the dry battery voltage, and calculating the percentage of dry battery power according to the average distribution of voltage values; adjusting the dry battery voltage according to the discharge curve of the dry battery. Dry battery voltage when power consumption is relatively stable.

[0003] When the power consumption is low, the dry battery will have a phenomenon of charging back. At this time, the detected voltage is a virtual power, which cannot drive the load. When the system is turned on, the system will even restart repeatedly. Under different power consumption, the voltage of the dry battery fluctuates greatly. There will be more than half of the power detected by the system, and when a high-power consumption task is s...

Claims

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