CN114696298B - 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

Info

Publication number
CN114696298B
CN114696298B CN202210489503.4A CN202210489503A CN114696298B CN 114696298 B CN114696298 B CN 114696298B CN 202210489503 A CN202210489503 A CN 202210489503A CN 114696298 B CN114696298 B CN 114696298B
Authority
CN
China
Prior art keywords
terminal
protection
secondary battery
switching circuit
current path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210489503.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN114696298A (zh
Inventor
山口刚史
元市芳裕
竹下顺司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsumi Electric Co Ltd
Original Assignee
Mitsumi Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Publication of CN114696298A publication Critical patent/CN114696298A/zh
Application granted granted Critical
Publication of CN114696298B publication Critical patent/CN114696298B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02J7/50—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
    • 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
    • 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)
CN202210489503.4A 2018-12-05 2019-11-25 二次电池保护电路以及电池组 Active CN114696298B (zh)

Applications Claiming Priority (3)

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
CN201911166939.4A CN111276943B (zh) 2018-12-05 2019-11-25 二次电池保护电路以及电池组

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201911166939.4A Division CN111276943B (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
CN114696298A CN114696298A (zh) 2022-07-01
CN114696298B true CN114696298B (zh) 2026-03-17

Family

ID=70972192

Family Applications (2)

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

Country Status (5)

Country Link
US (2) US11018515B2 (cg-RX-API-DMAC7.html)
JP (2) JP6799269B2 (cg-RX-API-DMAC7.html)
KR (1) KR102209457B1 (cg-RX-API-DMAC7.html)
CN (2) CN114696298B (cg-RX-API-DMAC7.html)
TW (1) TWI715314B (cg-RX-API-DMAC7.html)

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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
KR20230039565A (ko) * 2021-09-14 2023-03-21 에이블릭 가부시키가이샤 셀 밸런스 회로, 셀 밸런스 장치, 충방전 제어 회로, 충방전 제어 장치 및 배터리 장치
GB2639015A (en) * 2024-03-07 2025-09-10 Dyson Operations Pte Ltd Battery Protection

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CN107689650A (zh) * 2016-08-04 2018-02-13 精工半导体有限公司 充放电控制电路及具备该充放电控制电路的电池装置

Also Published As

Publication number Publication date
CN111276943B (zh) 2022-04-22
TW202023139A (zh) 2020-06-16
US11018515B2 (en) 2021-05-25
US20210273463A1 (en) 2021-09-02
US11462921B2 (en) 2022-10-04
TWI715314B (zh) 2021-01-01
JP6799269B2 (ja) 2020-12-16
JP2021036764A (ja) 2021-03-04
JP2020092508A (ja) 2020-06-11
CN111276943A (zh) 2020-06-12
JP7235987B2 (ja) 2023-03-09
CN114696298A (zh) 2022-07-01
KR102209457B1 (ko) 2021-01-29
KR20200068570A (ko) 2020-06-15
US20200185937A1 (en) 2020-06-11

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