[특허]Method of and apparatus for monitoring the state of charge of a rechargeable battery

[미국특허] Method of and apparatus for monitoring the state of charge of a rechargeable battery 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02J-007/04 H01M-010/44
출원번호	US-0833842 (1986-02-26)
발명자 / 주소	Kopmann Udo (7 Kastanienstreet 6246 Glashtten/Ts. 1 DEX)
인용정보	피인용 횟수 : 43 인용 특허 : 5

초록 ▼

A method of and an apparatus for monitoring the state of charge of a rechargeable battery are disclosed which use a reference value corresponding to a defined state of charge stored in a memory. During each battery charging and discharging cycle, the terminal voltage, the current and time are measured and are converted into energy delivered to the battery or by the battery depending on the direction of current flow. The actual state of charge is then calculated from the reference value stored. The characteristic terminal voltage curve during charging and discharging is used for minimizing the differences between the quantities measured and the actual state of charge of the battery so monitored by monitoring the rate of change in the terminal voltage during the charging and the discharging cycles, by determining, after a phase of a relatively steady and small rate of change in voltage, at least one point at which the rate of change in voltage is higher and by adjusting the actual state of charge determined at this point by coulometry to the predetermined reference value.

대표청구항 ▼

A method of monitoring the state of charge chargeable battery and, more particularly, a nickel-cadmium storage battery comprising the storage of a reference value corresponding to a certain state of charge, the measurement of the terminal voltage, the current and time during each battery charging and discharging cycle and the conversion of the quantities so measured into a quantity corresponding to the energy charged or discharged, accounting for the direction of current flow, said quantity being used for computing the actual state of charge based on said reference value, characterized in that the rate of change in said terminal voltage is monitored during said charging and discharging cycles and in that at least one point, following a phase of relatively steady and low rate of change in said terminal voltage, is determined, at which point a characteristic higher rate of change in said terminal voltage occurs and in that the computed actual state of charge at said point or at another point delayed with respect to said point by a predetermined margin is adjusted to said predetermined reference value.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Jones Richard A. (Anderson IN) Reoch William D. (Middletown IN), Charging system for nickel-zinc batteries.
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Patry Eric (Nogent FRX) Lelaidier Daniel (Neuilly FRX), Device for controlling the charging and discharging of a storage battery.
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Belot Pierre (Pavillons sous bois FRX), Method and device for monitoring the state of charge of a storage battery.
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Saar David A. (Timonium MD) Walter Richard T. (Baltimore MD), Method of charging batteries and apparatus therefor.
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Patry Eric (Nogent sur Marne FRX) Belot Pierre (Pavillons sous Bois FRX), Method of controlling the recharging of storage cells, and monitoring their state of charge.
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이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

Tamura Yoshiharu (Tokyo JPX), Apparatus for displaying the remaining charge of rechargeable battery.
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Rogers Wesley A. (707 Balfour Grosse Pointe Park MI 48236), Apparatus for monitoring the state of charge of a battery.
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Taylor, John P.; Thoma, Jeffrey M., Apparatus, system and method for high resolution identification with temperature dependent resistive device.
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Rogers Wesley A. (Grosse Pointe Park MI), Battery monitoring and deceleration dependent fuel-saving charging system.
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Phuoc Duong Var (Eching DEX) Wieczorek Rudi (Munich DEX) Zeising Elmar (Haindlfing DEX) Hruska Louis W. (Northboro MA) Taylor Alwyn H. (Wellesley Hills MA) Friel Daniel D. (Woburn MA) Hull Matthew P., Battery pack having a processor controlled battery operating system.
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van Phuoc Duong (Eching DEX) Wieczorek Rudi (Munich DEX) Zeising Elmar (Haindlfing DEX) Hruska Louis W. (Northboro MA) Hull Matthew P. (Jamestown RI) Taylor Alwyn H. (Wellesley Hills MA) Friel Daniel, Battery pack having a processor controlled battery operating system.
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van Phuoc Duong (Eching DEX) Wieczorek Rudi (Munich DEX) Zeising Elmar (Haindlfing DEX) Hruska Louis W. (Northboro MA) Taylor Alwyn H. (Wellesley Hills MA) Friel Daniel D. (Woburn MA) Hull Matthew P., Battery pack having a processor controlled battery operating system.
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van Phuoc Duong,DEX ; Wieczorek Rudi,DEX ; Zeising Elmar,DEX ; Hruska Louis W. ; Taylor Alwyn H. ; Friel Daniel D. ; Hull Matthew P., Battery pack having a processor controlled battery operating system.
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van Phuoc Duong,DEX ; Wieczorek Rudi,DEX ; Zeising Elmar,DEX ; Hruska Louis W. ; Taylor Alwyn H. ; Friel Daniel D. ; Hull Matthew P., Battery pack having a processor controlled battery operating system.
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Reipur John,DKX ; Juul-Hansen Ebbe,DKX, Battery system providing indicia of a charging parameter.
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Maegawa, Katsunori; Nakanishi, Toshiaki; Okumura, Motoyoshi, Control device of secondary battery and map correction method.
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Sisemore Christopher S., Detection of inflection point in secondary-battery charging process by matching voltage response to first derivative of.
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Kelly, Kevin J.; Torgerson, Nathan A., Device and method for determining and communicating the remaining life of a battery in an implantable neurological tissue stimulating device.
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Rogers Wesley A. (Grosse Pointe Park MI), Fuel saving multi-battery charging system and method.
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Rogers,Charles R., Implantable therapeutic substance infusion device with active longevity projection.
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Fakruddin Saifee (St. Joseph MI) Foster Mark J. (Stevensville MI), Method and apparatus for battery-power management using load-compensation monitoring of battery discharge.
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Baumgartner,Robert, Method and apparatus for charging batteries in a system of batteries.
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Cargonja,Nikola; Chan,Joseph S.; Ahn,Don H., Method and apparatus for monitoring battery discharge state.
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Cargonja, Nikola; Chan, Joseph S.; Ahn, Don H., Method and apparatus for monitoring the voltage of a battery.
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Singh, Pritpal; Fennie, Jr., Craig; Reisner, David E., Method and system for determining state-of-health of a lead-acid defibrillator battery using an intelligent system.
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Singh,Pritpal; Fennie, Jr.,Craig; Reisner,David E., Method and system for determining state-of-health of a nickel-metal hydride battery using an intelligent system.
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Singh, Pritpal; Fennie, Jr., Craig; Reisner, David E., Method and system to determine state-of-health of a fuel cell using an intelligent system.
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Klein, Jean-Marie; Delaille, Arnaud; Genies, Sylvie, Method for charging or discharging a battery in order to determine the end of charging or discharging on the basis of measurements of current and temperature.
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Singh Pritpal ; Fennie ; Jr. Craig, Method for determining state-of-charge using an intelligent system.
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Pritpal Singh ; Craig Fennie, Jr. ; David E. Reisner, Method for determining state-of-health using an intelligent system.
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Brost Ronald David ; Sullivan Michael Scott ; Strickland Tracy Frye, Method for diagnosing battery condition.
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Boehm, Andre; Wickert, Stefan, Method for estimating an accurate state of charge for initializing a battery management system.
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Dias, Donald R.; Lee, Robert D., Method of controlling the charging of a battery.
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Weng, Kuo-Liang; Chiou, Yi-Chau; Hsu, Jia-Sing, Method of estimating battery remaining power in electric vehicle.
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Falcon Carl B. (Royersford PA), Methods of controlling the application and termination of charge to a rechargeable battery.
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Rogers Wesley A. (Grosse Pointe Park MI), Multi-battery fuel saving and emission reduction system for automotive vehicles.
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Wesley A. Rogers, Multi-battery fuel saving and emission reduction system for automotive vehicles.
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Rogers, Wesley A., Multi-battery fuel saving and emissions reduction system for automotive vehicles.
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Arai, Narumi; Uchino, Manabu, Power storage module state estimation apparatus, battery pack, and method for estimating the state of a power storage module.
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van Phuoc Duong,DEX ; Wieczorek Rudi,DEX ; Zeising Elmar,DEX ; Hruska Louis ; Taylor Alwyn H. ; Friel Daniel D. ; Hull Matthew P., Smart battery system with an A/D converter that converts both positive and negative analog input signals.
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Al-Anbuky, Adnan; Hunter, Phillip Mark, Stress management of battery recharge, and method of state of charge estimation.
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Rondoni, John C.; Jain, Mukul, System and method for monitoring a power source of an implantable medical device.
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Rogers, Charles R.; Merritt, Donald R.; Schmidt, Craig L.; Jain, Mukul, System and method for monitoring power source longevity of an implantable medical device.
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Rogers, Charles R.; Merritt, Donald R.; Schmidt, Craig L.; Jain, Mukul, System and method for monitoring power source longevity of an implantable medical device.
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Rogers, Charles R.; Merritt, Donald R.; Schmidt, Craig L.; Jain, Mukul, System and method for monitoring power source longevity of an implantable medical device.
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Rogers, Charles R.; Merritt, Donald R.; Schmidt, Craig L.; Jain, Mukul, System and method for monitoring power source longevity of an implantable medical device.
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Perkins, Philip Earle; Limoges, Jr., Stephen Frederick; Yan, Xiaomin; McGinley, James William; Therrien, Roger Henry, System and method for thermal limit control.
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Gene Lee Armstrong, II ; William F. Davies, Jr. ; David Louis Freeman, System for charging monitoring batteries for a microprocessor based method.
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[미국특허] Method of and apparatus for monitoring the state of charge of a rechargeable battery 원문보기