Method for monitoring capacity of storage battery

A battery and capacity technology, applied in the direction of measuring electrical variables, measuring electricity, measuring devices, etc., can solve the problems of battery manufacturers and battery users waste, unable to accurately and systematically understand battery status, etc., to avoid floating charge and over-discharge, The effect of reducing environmental pressure and reducing investment costs

CN102508170BInactive Publication Date: 2013-11-13丁国营
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2013-11-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for monitoring capacity of a storage battery. The method comprises the following steps of: 1) judging whether the current storage battery is fully charged or not in a charging process; and 2) judging whether the current storage battery is fully discharged in a discharging process. The method can provide a real-time and accurate capacity value for a storage battery user; and by the method, the storage battery user can judge whether the current storage battery meets the requirement of the user or not; when the floating time of the storage battery in the charging process is long, the charging energy is wasted, and when the over discharge frequency of the storage battery in the discharging process is great, the service life of the storage battery is shortened; and the method can provide scientific and accurate judgment for the storage battery user so as to avoid the phenomena of floating, over discharge and the like.
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Description

technical field

[0001] The invention relates to a method for accurately monitoring the capacity of a storage battery and the use state of the storage battery, and belongs to the technical field of storage batteries. Background technique

[0002] There are a variety of devices or functions for battery capacity display on the market, and the main measurement method is to use the terminal voltage as the measurement parameter. However, during the use of the battery, floating charging and over-discharging often occur. At the same time, the terminal voltage of the battery changes nonlinearly during the discharge or charging process, so it is difficult to accurately measure the actual capacity of the battery.

[0003] For rechargeable batteries, the entire industry mostly uses the number of fully charged and discharged times as an important measure of the quality of rechargeable batteries during monitoring. However, since the capacity of the battery will change after each use, tha...

Examples

Embodiment Construction

[0033] The storage battery capacity monitoring method of the present invention comprises the following steps:

[0034] Step 1: Provide users with automatic or custom measurement parameter settings, including but not limited to the following parameter settings:

[0035] Automatically or custom-set the capacity standard of fully charged battery;

[0036] Automatic or custom setting of the capacity standard for the battery to fully discharge;

[0037] Automatic or custom setting to accurately measure the time granularity of battery capacity;

[0038] Automatically or custom-set the numerical calculation method of the battery capacity (the average value of the latest N consecutive capacity measurements);

[0039] Automatically or custom-set the capacity standard of battery status (good, general, failure);

[0040] Step 2: Calculate according to the measurement parameters set by the user, including but not limited to the calculation of the following parameters:

[0041] Accordi...