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Charging and discharging time calibration device and method for battery charging and discharging test system

A charge-discharge test and charge-discharge time technology, which is applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., can solve the problem of not being able to calibrate the charge-discharge time of the battery charge-discharge test system, and achieve the effect of being convenient to use and improving the detection accuracy.

Pending Publication Date: 2022-01-28
GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH
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Problems solved by technology

[0032] The technical problem to be solved by the present invention is to propose a charging and discharging time calibration device and method for a battery charging and discharging test system to solve technical problems such as the inability to calibrate the charging and discharging time of a battery charging and discharging testing system in the prior art

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  • Charging and discharging time calibration device and method for battery charging and discharging test system
  • Charging and discharging time calibration device and method for battery charging and discharging test system
  • Charging and discharging time calibration device and method for battery charging and discharging test system

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Embodiment Construction

[0085] A charging and discharging time calibration device for a battery charging and discharging test system, which includes a time calibrator, the millisecond signal input end of the amplitude modulation adapter is directly connected with the millisecond meter output signal end of the internal controller of the time calibrator; the second signal input end of the amplitude modulation adapter is connected with the The digital electric stopwatch output signal terminal of the internal controller of the time calibrator is directly connected; the single pulse voltage signal output terminal of the amplitude modulation adapter is connected to the positive terminal of the voltage measurement terminal of the calibrated battery charge and discharge test system; the DC12V output terminal inside the time calibrator Connect to the voltage input terminal of the AM adapter.

[0086] The circuit diagram of the AM adapter is Figure 6 Shown:

[0087] The normally open contact B3 of the single...

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Abstract

The invention discloses a charging and discharging time calibration device and method for a battery charging and discharging test system. The device is characterized in that a millisecond signal input end of an amplitude modulation adapter is directly connected with a millisecond instrument output signal end of an internal controller of a time calibration instrument; the second signal input end of the amplitude modulation adapter is directly connected with the digital electric second meter output signal end of the internal controller of the time calibration instrument; the monopulse voltage output end of the amplitude modulation adapter is connected with the positive end of the voltage measuring end of a calibrated battery charging and discharging test system; and the DC 12V output end in the time calibration instrument is connected with the voltage input end of the amplitude modulation adapter. According to the invention, the technical problem that the charging and discharging time of the battery charging and discharging test system cannot be calibrated in the prior art is solved.

Description

technical field [0001] The invention belongs to the calibration technology of measuring instruments, in particular to a charging and discharging time calibrating device and method for a battery charging and discharging testing system. Background technique [0002] The battery charge and discharge test system is mainly composed of a charging unit composed of a DC stable power supply, a discharge unit composed of a DC electronic load, a charge / discharge switching unit, a time control unit, a measurement unit, a computer display and control unit, etc., for charging the battery When discharging, detect battery parameters such as time, voltage, current, capacity, and cycle life. At the same time, the battery charge and discharge test system can display the waveform of the measured voltage signal at both ends of the battery. [0003] The charging time and discharging time of the battery are referred to as the charging and discharging time of the battery. When the battery is charg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/00G01R31/382
CPCG01R35/005G01R31/382
Inventor 瞿明生
Owner GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH
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