KR100468127B1 - 배터리 셀의 균등 충전장치 - Google Patents
배터리 셀의 균등 충전장치 Download PDFInfo
- Publication number
- KR100468127B1 KR100468127B1 KR10-2003-0009099A KR20030009099A KR100468127B1 KR 100468127 B1 KR100468127 B1 KR 100468127B1 KR 20030009099 A KR20030009099 A KR 20030009099A KR 100468127 B1 KR100468127 B1 KR 100468127B1
- Authority
- KR
- South Korea
- Prior art keywords
- cell
- battery
- charging
- voltage
- output signal
- 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.)
- Expired - Lifetime
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- 230000005669 field effect Effects 0.000 claims abstract description 34
- 238000012546 transfer Methods 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 11
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 20
- 239000003990 capacitor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910003307 Ni-Cd Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
구분 | switch -R | switch- cap | 개별 충전 |
특징 | 저항에 의한 균등화 | 콘덴서에 의한 균등화 | 각 셀의 개별 충전 |
장점 | 설계하기가 간단가격이 저렴 | switching frequency에 의해서 pass current 결정 | 개별 충전제어가 편리 |
단점 | 저항으로 인한 발열각 셀의 용량 편차가 클 경우 효과 축소 | 축적된 에너지를 전이하는데 높은 전류를 전이 할 수 있는 스위치 소자의 필요하고, 가격의 상승요인 | 부피가 증대가격의 증대 |
Claims (1)
- 배터리 충전회로에서 셀들의 충전을 알리는 "온"신호가 출력되면 일정주기를 갖는 구형파 펄스를 지속적으로 발생시켜 주는 펄스 발생기와;상기 펄스 발생기의 출력신호를 클럭펄스로 입력받아 1/2 분주시켜 일정주기를 갖는 서로 다른 위상의 출력신호를 두 출력단자(Q,Q')를 통해 출력하는 J-K 플립 플롭과;상기 펄스 발생기의 출력신호와 J-K 플립 플롭의 정출력신호(Q) 및 배터리 충전회로에서 발생하는 스위칭 인에이블신호를 논리적하여 반전시켜 주는 낸드 게이트와;상기 펄스 발생기의 출력신호와 J-K 플립 플롭의 부출력신호(Q') 및 배터리 충전회로에서 발생하는 스위칭 인에이블신호를 논리적하여 주는 앤드 게이트와;상기 낸드 게이트의 출력신호에 부응하는 주기로 스위칭 작동되어 배터리 충전회로로부터 출력되어 제 1 셀로 공급되는 배터리 충전전압의 공급을 제어하는 P채널 전계효과 트랜지스터와;상기 앤드 게이트의 출력신호에 부응하는 주기로 스위칭 작동되어 배터리 충전회로로부터 출력되어 제 2 셀로 공급되는 배터리 충전전압의 공급을 제어하는 N채널 전계효과 트랜지스터와;일정주기를 갖고 교호로 작동되는 상기 두 전계효과 트랜지스터와 제 1 및 제 2 셀의 공통 접점 사이에서 병렬로 연결된 형태를 갖고 제 1 및 제 2 셀 중 어느 한 셀이 배터리 충전회로의 출력전압에 의해 충전 작동될시 소정전압을 일시적으로 축적하고 있다가 낮은 전압을 갖는 다른 셀로 축적된 전압을 공급시켜 균등 충전이 이루어지게 하는 코일과;상기한 P채널 및 N채널 전계효과 트랜지스터의 드레인과 소오스 사이에 각각 설치되어 각각의 트랜지스터에 연결된 셀의 충전시에는 역방향 전압을 차단하고 충전 정지시 상기 코일에 축적된 전압을 제 2 또는 제 1 셀로 공급시켜 주는 제 1 및 제 2 역전압 방지용 다이오드와;배터리의 충전에 필요한 전압을 출력시켜 줌은 물론 배터리 충전시 펄스 발생기에 구동 제어신호를 발생시켜 줌과 동시에 제 1 및 제 2 셀의 전위차에 부응하여 상기 낸드 및 앤드 게이트에 인에블이블 또는 디스에이블신호를 발생시켜 주는 배터리 충전회로로 구성한 것을 특징으로 하는 배터리 셀의 균등 충전장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0009099A KR100468127B1 (ko) | 2003-02-13 | 2003-02-13 | 배터리 셀의 균등 충전장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0009099A KR100468127B1 (ko) | 2003-02-13 | 2003-02-13 | 배터리 셀의 균등 충전장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040073121A KR20040073121A (ko) | 2004-08-19 |
KR100468127B1 true KR100468127B1 (ko) | 2005-01-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2003-0009099A Expired - Lifetime KR100468127B1 (ko) | 2003-02-13 | 2003-02-13 | 배터리 셀의 균등 충전장치 |
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KR (1) | KR100468127B1 (ko) |
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