| 摘要 |
FIELD: measurement technology.SUBSTANCE: invention relates to the field of measurement technology, namely to a device for measuring the residual capacity of the accumulator. which comprises the series-connected blocks: the shunt, the operational amplifier, the first analog-digital converter, the scaling divider, the first temperature corrector, the adder, the trigger, the average value calculator, the energy meter, the charge calculator and the indicator; the timer outputs are connected to the inputs of the adder, the trigger, the energy meter, the calculator of self-discharge and the calculator of charge, and the output of the calculator of self-discharge is connected to the input of the energy meter, also the device comprises a resistive divider, the second analog-digital converter and the second temperature corrector connected in series; moreover, the device comprises a temperature sensor, which output is connected to the inputs of the first temperature corrector, the second temperature corrector and the calculator of self-discharge; the outputs of the first and second logic devices are connected to the input of the energy meter, and the inputs of the first and second logic devices - to the outputs of the first and second correctors of temperature.EFFECT: improvement of accuracy of measurement of the residual power of accumulator without the need for changes in the design of the accumulator, reduction of measurement errors, accumulated over time if the accumulator runs in the mode of partial charge and partial discharge.1 dwg |
