A residual quantity measuring device is provided. The residual quantity measuring device includes a Hall element that is inserted into a path of a current flowing in a battery unit and outputs an output voltage associated with the current; and a Coulomb counter configured to be supplied with the output voltage of the Hall element via a voltage conversion circuit and to detect a total quantity of a current flowing into the battery unit and a current flowing out of the battery unit.
RESIDUAL QUANTITY MEASURING DEVICE, BATTERY PACK, ELECTRIC POWER TOOL, ELECTRIC AIRCRAFT, ELECTRIC VEHICLE, AND POWER SUPPLY DEVICE
19.07.2018
Patent
Elektronische Ressource
Englisch
Europäisches Patentamt | 2021
|Europäisches Patentamt | 2021
|Europäisches Patentamt | 2022
|Europäisches Patentamt | 2022
|Europäisches Patentamt | 2022
|