CN111276943B - 二次电池保护电路以及电池组 - Google Patents

二次电池保护电路以及电池组 Download PDF

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Publication number
CN111276943B
CN111276943B CN201911166939.4A CN201911166939A CN111276943B CN 111276943 B CN111276943 B CN 111276943B CN 201911166939 A CN201911166939 A CN 201911166939A CN 111276943 B CN111276943 B CN 111276943B
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China
Prior art keywords
terminal
protection
secondary battery
circuit
current path
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CN201911166939.4A
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English (en)
Chinese (zh)
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CN111276943A (zh
Inventor
山口刚史
元市芳裕
竹下顺司
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Mitsumi Electric Co Ltd
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Mitsumi Electric Co Ltd
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Priority to CN202210489503.4A priority Critical patent/CN114696298B/zh
Publication of CN111276943A publication Critical patent/CN111276943A/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H02J7/663—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements using battery or load disconnect circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H02J7/585—Sequential battery discharge in systems with a plurality of batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H02J7/62—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements against overcurrent
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H02J7/63—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements against overdischarge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Static Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Direct Current Feeding And Distribution (AREA)
CN201911166939.4A 2018-12-05 2019-11-25 二次电池保护电路以及电池组 Active CN111276943B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210489503.4A CN114696298B (zh) 2018-12-05 2019-11-25 二次电池保护电路以及电池组

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018227763A JP6799269B2 (ja) 2018-12-05 2018-12-05 二次電池保護回路及び電池パック
JP2018-227763 2018-12-05

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202210489503.4A Division CN114696298B (zh) 2018-12-05 2019-11-25 二次电池保护电路以及电池组

Publications (2)

Publication Number Publication Date
CN111276943A CN111276943A (zh) 2020-06-12
CN111276943B true CN111276943B (zh) 2022-04-22

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN201911166939.4A Active CN111276943B (zh) 2018-12-05 2019-11-25 二次电池保护电路以及电池组
CN202210489503.4A Active CN114696298B (zh) 2018-12-05 2019-11-25 二次电池保护电路以及电池组

Family Applications After (1)

Application Number Title Priority Date Filing Date
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Country Status (5)

Country Link
US (2) US11018515B2 (https=)
JP (2) JP6799269B2 (https=)
KR (1) KR102209457B1 (https=)
CN (2) CN111276943B (https=)
TW (1) TWI715314B (https=)

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* Cited by examiner, † Cited by third party
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JP6799269B2 (ja) * 2018-12-05 2020-12-16 ミツミ電機株式会社 二次電池保護回路及び電池パック
EP3993205A4 (en) * 2019-06-27 2022-08-31 SANYO Electric Co., Ltd. BATTERY PACK AND ANOMALITY MONITORING PROCEDURE THEREOF
US12206267B2 (en) * 2021-08-12 2025-01-21 Ming Tang Battery protection device and chip for protecting battery including a select circuit to select a voltage for a gate control signal
CN115811104A (zh) * 2021-09-14 2023-03-17 艾普凌科株式会社 单元平衡电路与装置、充放电控制电路与装置及电池装置
GB2639015A (en) * 2024-03-07 2025-09-10 Dyson Operations Pte Ltd Battery Protection

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Also Published As

Publication number Publication date
KR102209457B1 (ko) 2021-01-29
TWI715314B (zh) 2021-01-01
JP2021036764A (ja) 2021-03-04
CN111276943A (zh) 2020-06-12
US11462921B2 (en) 2022-10-04
TW202023139A (zh) 2020-06-16
CN114696298A (zh) 2022-07-01
KR20200068570A (ko) 2020-06-15
US20210273463A1 (en) 2021-09-02
JP7235987B2 (ja) 2023-03-09
CN114696298B (zh) 2026-03-17
JP6799269B2 (ja) 2020-12-16
JP2020092508A (ja) 2020-06-11
US20200185937A1 (en) 2020-06-11
US11018515B2 (en) 2021-05-25

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