To enable simplification and space-saving of wiring configuration in a power supply device.SOLUTION: A monitoring device of a battery pack includes: a plurality of connection lines each connected to a cathode and an anode of each of a plurality of unit batteries; a high-side power supply line and a low-side power supply line for supplying operating power of the monitoring device; a voltage detection section for detecting each inter-terminal voltage of the plurality of unit batteries through the plurality of connection lines; a switch section capable of individually switching connection states between each of the plurality of connection lines and each of the high-side power supply line and the low-side power supply line; and a control section for controlling the switch section so that a cathode of at least one of the unit batteries is connected to the high-side power supply line, and an anode of the one unit battery is connected to the low-side power supply line.SELECTED DRAWING: Figure 1
【課題】蓄電装置における配線構成の簡易化及び省スペース化を可能とすること。【解決手段】組電池の監視装置であって、複数の単位電池それぞれの正極及び負極に接続された複数の接続ラインと、当該監視装置の動作電力を供給するためのハイサイド電源ライン及びローサイド電源ラインと、複数の前記接続ラインを介して、複数の前記単位電池それぞれの端子間電圧を検出する電圧検出部と、複数の前記接続ラインそれぞれと前記ハイサイド電源ライン及び前記ローサイド電源ラインそれぞれとの間の接続状態を各別に切り替え可能なスイッチ部と、複数の前記単位電池それぞれの端子間電圧に基づいて、少なくとも一の前記単位電池の正極が前記ハイサイド電源ラインと接続し、当該一の前記単位電池の負極が前記ローサイド電源ラインそれぞれに接続するように、前記スイッチ部を制御する制御部と、を備える。【選択図】図1
MONITORING DEVICE OF BATTERY PACK, AND ON-VEHICLE ELECTRIC POWER SUPPLY DEVICE
組電池の監視装置、及び車載電源装置
27.12.2018
Patent
Elektronische Ressource
Japanisch
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