Battery internal resistance component measuring device
The utility model provides a battery internal resistance component measuring device comprising a charging and discharging controller which is connected with a series battery pack and is used for performing direct current charging and discharging on the series battery pack; the alternating current in...
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| Hauptverfasser: | , , , , , , , , , , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a battery internal resistance component measuring device comprising a charging and discharging controller which is connected with a series battery pack and is used for performing direct current charging and discharging on the series battery pack; the alternating current internal resistance tester is used for outputting small-amplitude alternating current to the single batteries in the series battery pack and obtaining the internal resistance of the batteries by detecting the voltage response of the batteries; the two analog switch groups are respectively connected with the alternating current internal resistance tester and the series battery pack and are used for controlling the connection between the alternating current internal resistance tester and one singlebattery; the data acquisition device or the battery management unit is respectively connected with the charging and discharging controller and the analog switch group and is used for controlling the action of the analog switc |
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