Method and system for calculating residual electric quantity of AGM storage battery of livestock and poultry vehicle
A technology of remaining power and calculation method, which is applied in the direction of measuring electrical variables, testing electrical devices in transportation, measuring electricity, etc., to achieve accurate calculation and avoid the effect of failure to start
Pending Publication Date: 2021-08-31
DONGFENG COMML VEHICLE CO LTD
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[0005] In view of the defects in the prior art, the purpose of the present invention is to provide a method and system for calculating the remaining power of AGM batteries of livestock and poultry vehicles, which can realize accurate calculation of the remaining power of the batteries of livestock and poultry vehicles, and effectively prevent the engine from being unable to start or the battery from being damaged question
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[0032] The embodiment of the present invention provides a method for calculating the remaining power of an AGM battery of a livestock vehicle. By calculating the discharge current of the battery based on the load current and the generator current of the vehicle, and then sequentially measuring the discharge current of the battery under different discharge current conditions at different temperatures Finally, based on the measured battery power changes, a MAP map of the battery discharge capacity under operating conditions is obtained, that is, a MAP map of the battery discharge capacity at different temperatures and different discharge currents is obtained, and based on the MAP map, the remaining power of the AGM battery for livestock and poultry vehicles is calculated. , so that the calculated MAP map is closer to the actual working conditions, so that based on the obtained MAP map, the accurate calculation of the remaining battery power of livestock and poultry vehicles can be...
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The invention discloses a method and a system for calculating residual electric quantity of an AGM storage battery of a livestock and poultry vehicle, and relates to the technical field of automotive electronics. The method comprises the following steps: determining an operation condition of to-be-measured discharge capacity of the storage battery of the livestock and poultry vehicle; based on the load current and the generator current of the vehicle, calculating the discharge current of the storage battery; sequentially measuring the discharge capacity of the battery at different temperatures and under different discharge current conditions; and obtaining a discharge capacity MAP of the storage battery under the operation condition based on the measured change of the electric quantity of the battery, and calculating the residual electric quantity of the AGM storage battery of the livestock and poultry vehicle based on the MAP. Accurate calculation of the remaining capacity of the storage battery of the livestock and poultry vehicle can be achieved, and therefore, the problem that an engine cannot be started or the storage battery is damaged is effectively avoided.
Description
technical field [0001] The invention relates to the technical field of automotive electronics, in particular to a method and system for calculating the remaining power of an AGM battery of a livestock vehicle. Background technique [0002] Batteries are an indispensable part of automobiles, and are mainly divided into traditional lead-acid batteries and maintenance-free batteries. The structure of automobile lead-acid battery is mainly composed of positive (negative) plate, separator, electrolyte, tank shell, connecting strip and pole pile. The battery is a device that converts chemical energy into electrical energy and belongs to the DC power supply. Its functions are: 1. When the engine is started, it provides a strong starting current to the starter; 2. When the generator is overloaded, it can assist the generator to 3. When the engine is at idle speed, supply power to the electrical equipment; 4. As a large-capacity capacitor, it can protect the electrical appliances of...
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IPC IPC(8): G01R31/387G01R31/36G01R31/367G01R31/00
CPCG01R31/387G01R31/3648G01R31/367G01R31/007
Inventor 袁中富熊博张赟严利群李南朱洋何望杰汪晖范玉珍杨鹏雪孟仙雅刘昶巨创利李勇
Owner DONGFENG COMML VEHICLE CO LTD