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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Circuit and method of monitoring battery cells

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01M-010/44    H01M-010/46   
미국특허분류(USC) 320/6 ; 320/39
출원번호 US-0262305 (1994-06-20)
발명자 / 주소
  • Yee Renwin J. (Chandler AZ) Stockstad Troy L. (Phoenix AZ) Petty Thomas D. (Tempe AZ)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 40  인용 특허 : 9
초록
▼

A battery monitoring circuit (10) sequentially samples individual voltages across a string of serially coupled battery cells (12-18). A control circuit (32) controls first and second multiplexers (34,42) to sample each battery voltage for an over-voltage condition. A comparator (52) detects an over-voltage condition by comparing a divided down battery voltage against a reference. The conduction path through the battery cells is disabled upon detecting a fault condition by a transistor (26) in the battery cell conduction path. The battery cells are furthe...

대표
청구항
▼

A battery monitoring circuit, comprising: first and second multiplexers each having a first input, a second input and a select input, said first input of said first multiplexer being coupled for receiving a first battery voltage, said second input of said first multiplexer being coupled for receiving a second battery voltage, said first input of said second multiplexer being coupled for receiving said second battery voltage, said second input of said second multiplexer being coupled for receiving a third battery voltage, said select inputs being coupled ...

이 특허에 인용된 특허 (9)

  1. Reni Daniele (Provo UT) Culbert Michael F. (Boulder Creek CA), Battery charge state determination.
  2. Aspinwall, John F.; Barrs, Ronald A.; den Brinker, Carl S.; Emmett, John R., Battery charger.
  3. Wang Jason (3F ; No. 7 ; Lane 453 ; Sec. 4 ; Pa-Te Rd. Taipei City TWX), Battery charger with current stabilizer.
  4. Barry George H. (21225 Saratoga Hills Rd. Saratoga CA 95070) Dahl Ernest A. (3247 Breaker Dr. Ventura CA 93003), Battery monitoring system.
  5. Lambert Joe C. (Mebane NC), Battery state of charge indicator.
  6. LaForge David H. (Kensington CA), Cell monitor and control unit for multicell battery.
  7. Carey Richard L. (Cardiff CA) McGuffey Gale W. (San Diego CA), Isolated DC voltage monitoring system.
  8. Podrazhansky Yury M. (Norcross GA) Podrazhansky Mikhail Y. (Norcross GA) Golod Mikhail B. (Dunwoody GA), Method and apparatus for automatic equalization of series-connected batteries.
  9. Nor Jiri K. (Oakville CAX), Monitoring system for batteries during charge and discharge.

이 특허를 인용한 특허 (40)

  1. Hanson Eric J. ; Kooyer Richard L., Apparatus and method for treating a cathode material provided on a thin-film substrate.
  2. Hanson, Eric J.; Kooyer, Richard L., Apparatus and method for treating a cathode material provided on a thin-film substrate.
  3. Gow Philippe H. ; Rogers Robert A. ; Lijoi Andrea L., Apparatus for detecting cell reversal in rechargeable batteries.
  4. Ozawa Hidekiyo,JPX ; Tanaka Nobuo,JPX ; Itoyama Masami,JPX ; Takeda Yoshiro,JPX, Battery capacity predicting method, battery unit and apparatus using battery unit.
  5. Bobbin, Joseph; Dirsa, Mark, Battery pack and cap lamp system.
  6. Kim, Jin-Wan; Segawa, Susumu; Hwang, Eui-Jeong; Sim, Se-Sub; Yang, Jong-Woon; Yun, Han-Seok; Kim, Beom-Gyu, Battery pack and method of controlling the same.
  7. Bobbin, Joseph; Dirsa, Mark, Battery pack for miner's cap lamp with charging and discharging control module.
  8. Bobbin, Joseph; Dirsa, Mark, Battery pack for powering miner's cap lamp.
  9. Mori Iichiro,JPX, Battery protection device.
  10. Alberkrack Jade ; Stockstad Troy L., Battery protection system and process for charging a battery.
  11. Ito Hironori,JPX ; Sekine Shigeru,JPX ; Kasashima Masahiko,JPX ; Tsukazawa Hisao,JPX ; Hino Yuichiro,JPX ; Morioka Shizuo,JPX ; Hosoya Nobuyuki,JPX ; Ukiya Yoshiaki,JPX ; Ozawa Katsuo,JPX ; Motomiya , Battery set structure and charge/discharge control apparatus for lithium-ion battery.
  12. Rouillard Jean,CAX ; Comte Christophe,CAX ; Daigle Dominik,CAX, Bypass apparatus and method for series connected energy storage devices.
  13. Bucur, Constantin; Goh, Jiun Heng; Lupu, Flavius, Capacity detector for detecting capacity of an energy storage unit.
  14. Seman, Jr., Andrew E.; Cruise, Nathan; White, Daniel J.; Carrier, David A.; Brotto, Daniele C.; Trinh, Dahn; Qin, Fugen, Cell monitoring and balancing.
  15. Ashtiani Cyrus N. ; Stuart Thomas A., Circulating current battery heater.
  16. Brulhart Marcel,CHX ; Trillat Stephane,CHX, Control system for a bidirectional switch with two transistors.
  17. Kötz, Rüdiger; Sauter, Jean-Claude, Detachable charge control circuit for balancing the voltage of supercapacitors connected in series.
  18. Lee, Dongho; Smith, David E., Detection circuitry.
  19. Rockenbauch Craig A., Device for and method of switching and monitoring batteries.
  20. Balogh Andre A., Discharge monitoring and isolating system for batteries.
  21. Rouillard Jean,CAX ; Comte Christophe,CAX ; Hagen Ronald A. ; Knudson Orlin B. ; Morin Andre,CAX ; Ross Guy,CAX, Equalizer system and method for series connected energy storing devices.
  22. Hagen Ronald A. ; Chen Kenneth W. ; Comte Christophe,CAX ; Knudson Orlin B. ; Rouillard Jean,CAX, Fault-tolerant battery system employing intra-battery network architecture.
  23. Hagen Ronald A. ; Comte Christophe,CAX ; Knudson Orlin B. ; Rosenthal Brian ; Rouillard Jean,CAX, In-situ fault detection apparatus and method for an encased energy storing device.
  24. Gauthier Michel,CAX ; Domroese Michael K. ; Hoffman Joseph A. ; Lindeman David D. ; Noel Joseph-Robert-Gaetan,CAX ; Radewald Vern E. ; Rouillard Jean,CAX ; Rouillard Roger,CAX ; Shiota Toshimi,CAX ; , In-situ short circuit protection system and method for high-energy electrochemical cells.
  25. Gauthier, Michel; Domroese, Michael K.; Hoffman, Joseph A.; Lindeman, David D.; Noel, Joseph-Robert-Gaetan; Radewald, Vern E.; Rouillard, Jean; Rouillard, Roger; Shiota, Toshimi; Trice, Jennifer L., In-situ short-circuit protection system and method for high-energy electrochemical cells.
  26. Buchholz, Matthew J.; Silver, Travis, Life safety device with extended shelf life.
  27. Rouillard, Roger; Domroese, Michael K.; Hoffman, Joseph A.; Lindeman, David D.; Noel, Joseph-Robert-Gaetan; Radewald, Vern E.; Ranger, Michel; Sudano, Anthony; Trice, Jennifer L.; Turgeon, Thomas A., Method for transferring thermal energy and electrical current in thin-film electrochemical cells.
  28. Wong, Yee Chin, Monitor for charging series connected batteries.
  29. Willis Scott C. ; Jones Mark J., Multi-channel overvoltage protection circuit.
  30. Ashtiani Cyrus N. ; Stuart Thomas A., Multiplexed modular battery management system for large battery packs.
  31. Ahn, Jongshick; Zeisel, Eric B; Kun, Cheong; Hagstrom, Jennifer A, Power path switching in an electronic device including a plurality of charging ports.
  32. Saeki Mitsuo,JPX ; Ozawa Hidekiyo,JPX ; Tsukuni Toshiaki,JPX ; Takeda Yoshiro,JPX, Protection circuit and battery unit.
  33. Chen, Fang, Protective circuits for secondary battery packs.
  34. Chen, Fang, Protective circuits for secondary battery packs.
  35. Rouillard Roger,CAX ; Domroese Michael K. ; Hoffman Joseph A. ; Lindeman David D. ; Noel Joseph-Robert-Gaetan,CAX ; Radewald Vern E. ; Ranger Michel,CAX ; Sudano Anthony,CAX ; Trice Jennifer L. ; Tur, Rechargeable thin-film electrochemical generator.
  36. Gunthorpe Gary E.,CAX ; James Donald E.,CAX ; Pineda Julio F.,CAX, Resistance and charging monitor within a standby battery bank.
  37. Rouillard, Jean; Comte, Christophe; Daigle, Dominik; Hagen, Ronald A.; Knudson, Orlin B.; Morin, André; Ranger, Michel; Ross, Guy; Rouillard, Roger; St-Germain, Philippe; Sudano, Anthony; Turgeo, Solid-state energy storage module employing integrated interconnect board.
  38. Rouillard, Jean; Comte, Christophe; Daigle, Dominik; Hagen, Ronald A.; Knudson, Orlin B.; Morin, Andre; Ranger, Michel; Ross, Guy; Rouillard, Roger; St-Germain, Philippe; Sudano, Anthony; Turgeon, Th, Solid-state energy storage module employing integrated interconnect board.
  39. Hoffman Joseph A. ; Domroese Michael K. ; Lindeman David D. ; Radewald Vern E. ; Rouillard Roger,CAX ; Trice Jennifer L., Thermal conductor for high-energy electrochemical cells.
  40. Rouillard Roger,CAX ; Domroese Michael K. ; Gauthier Michel,CAX ; Hoffman Joseph A. ; Lindeman David D. ; Noel Joseph-Robert-Gaetan,CAX ; Radewald Vern E. ; Ranger Michel,CAX ; Rouillard Jean,CAX ; S, Thermal management system and method for a solid-state energy storing device.

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