To achieve, while suppressing increase in the number of components, protection of a power storage element in the case where a heavy-current flows into the power storage element, thereby a management section cannot open a relay.SOLUTION: A BMS 50 comprises a relay 54 connected in series to a secondary battery 12, and a management section 55 which is operated by power supplied from the secondary battery 12 to open or close the relay 54. A part 100 of components of the relay 54 functions as a fuse.SELECTED DRAWING: Figure 7
【課題】蓄電素子に大電流が流れて管理部がリレーを開くことができなくなった場合の蓄電素子の保護を、部品点数の増加を抑制しつつ実現すること。【解決手段】BMS50であって、二次電池12と直列に接続されているリレー54と、二次電池12から供給される電力によって動作し、リレー54を開閉する管理部55と、を備え、リレー54の構成要素の一部100がヒューズとして機能する、BMS50。【選択図】図7
MANAGEMENT DEVICE FOR POWER STORAGE ELEMENT AND POWER STORAGE DEVICE
蓄電素子の管理装置、及び、蓄電装置
2021-02-18
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H01G Kondensatoren , CAPACITORS / H01H Elektrische Schalter , ELECTRIC SWITCHES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen |
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