[특허]Circuit for monitoring cells of a multi-cell battery during charge

[미국특허] Circuit for monitoring cells of a multi-cell battery during charge 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-010/40
출원번호	US-0862228 (2001-05-22)
발명자 / 주소	Richard B. Huykman Harmohan Singh
출원인 / 주소	Honeywell International Inc.
대리인 / 주소	Loria B. Yeadon
인용정보	피인용 횟수 : 43 인용 특허 : 3

초록 ▼

A circuit (M) to monitor and protect individual cells (12-1 . . . 12-n) of a multi-cell battery (10) from over-charge and acquire data to be used to determine various characteristics of the cell state-of-health is connected to each individual cell (12) of a multi-cell battery as the battery is being charged. The circuit includes a portion (Q1-R5) to bypass charging current from the cell, this portion being variably pre-settable to bypass current above a desired high voltage (V-By) limit for the cell. As the battery is being charged, the bypass circuit will shunt current around a cell when the preset high voltage level is exceeded, thus preventing any damage to the cell. The circuit (Q2) can be operated to produce a pulse of current and the change in voltage of the monitored cell in response to the change in current, dV/dl, can be used to determine the cell internal resistance. The cell polarization resistance also can be determined. The data acquired can be used to determine factors relating to the cell state of charge (SOC) and its state of health. A programmable controller (C) controls all of the circuits and also acquires the data produced by the circuits.

대표청구항 ▼

1. A circuit to monitor a cell of a multi-cell battery that is being charged from a current source, comprising:means for variably setting a predetermined high limit voltage for the cell during its charging; a first amplifier connected to the cell for receiving as one input the voltage of the cell as the battery is being charged and said high limit voltage as another input, said first amplifier producing an output signal upon the cell voltage exceeding the high voltage limit; and a bypass circuit connected to the cell that is activated by receiving the output signal produced by said first amplifier to bypass the charging current around said cell.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Morita Koji (Yokosuka JPX), Charging system for multi-cell battery.
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Thomas Ralph D. (Cleveland OH) Nagle ; William J. (Avon Lake OH), Multi-cell battery protection system.
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Bourbeau Frank (5411 Toltec Dr. Santa Barbara CA 93111), Networked battery monitor and control system and charging method.
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이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

Donnelly, Frank; Tarnow, Andrew, Alternator boost method.
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Hand, Evan C., Battery charger and power reduction system and method.
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Deveau, Edward W.; Bie, Xiaoquan, Battery monitor with correction for internal OHMIC measurements of battery cells in parallel connected battery strings.
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Mori, Yasushi, Battery pack and method for detecting degradation of battery.
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Bucur, Constantin; Niculae, Marian, Battery pack current monitoring.
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Iwashima, Makoto, Battery pack malfunction detection apparatus and method for detecting a disconnection at a connecting line between a given cell and a corresponding detection terminal.
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Chandra, Ranveer; Hodges, Stephen E.; Meinershagen, Julia L.; Priyantha, Nissanka Arachchige Bodhi; Badam, Anirudh; Moscibroda, Thomas; Hu, Pan; Ferrese, Anthony John; Skiani, Evangelia, Battery parameter-based power management for suppressing power spikes.
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Chandra, Ranveer; Hodges, Stephen E.; Meinershagen, Julia L.; Priyantha, Nissanka Arachchige Bodhi; Badam, Anirudh; Moscibroda, Thomas; Hu, Pan; Ferrese, Anthony John; Skiani, Evangelia, Battery parameter-based power management for suppressing power spikes.
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Tamezane,Shigeto; Matsumoto,Kenshi, Battery remaining capacity detection method and power supply apparatus.
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Bucur, Constantin; Niculae, Marian, Battery state monitoring circuitry with low power consumption during a stand-by-state of a battery pack.
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Kim, Tae-Jin, Cell balancing circuit and cell balancing method using the same.
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Zhu, Li-Yan, Connection scheme for multiple battery cells.
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Donnelly,Frank Wegner; Swan,David Herman; Watson,John David, Design of a large battery pack for a hybrid locomotive.
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Pike, James A.; Jarrett, Brian L., Design of a large low maintenance battery pack for a hybrid locomotive.
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Vezzini, Andrea; Bronnimann, Stefan, Device for improving the charging or discharging process of a battery.
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Tinglow, Fredrik; Hosini, Falah; Larsson, Tomas, Energy storage device for a power compensator and a method for control thereof.
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Cardinal, Mark E.; King, Robert Dean; Lyons, James Patrick Francis, Integrated, self-powered battery monitoring device and system.
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Nakao, Fumiaki, Inter-module voltage balance correcting circuit of a power storage system.
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Badam, Anirudh; Chandra, Ranveer; Priyantha, Nissanka Arachchige Bodhi; Dutra, Jonathan Alan; Meinershagen, Julia L.; Hodges, Stephen E.; Moscibroda, Thomas, Latency-based energy storage device selection.
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Huang, Bojun; Moscibroda, Thomas; Chandra, Ranveer; Hodges, Stephen E.; Meinershagen, Julia L.; Priyantha, Nissanka Arachchige Bodhi; Badam, Anirudh; Hu, Pan; Ferrese, Anthony John; Skiani, Evangelia, Load allocation for multi-battery devices.
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Huang, Bojun; Moscibroda, Thomas; Chandra, Ranveer; Hodges, Stephen E.; Meinershagen, Julia L.; Priyantha, Nissanka Arachchige Bodhi; Badam, Anirudh; Hu, Pan; Ferrese, Anthony John; Skiani, Evangelia, Load allocation for multi-battery devices.
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Donnelly,Frank; Tarnow,Andrew, Locomotive engine start method.
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Donnelly,Frank Wegner, Locomotive power train architecture.
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Zhu, Li-Yan, Management scheme for multiple battery cells.
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Donnelly,Frank Wegner; Watson,John David, Managing wheel skid in a locomotive.
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Donnelly,Frank Wegner, Managing wheel slip in a locomotive.
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Salman, Mutasim A.; Verbrugge, Mark W.; Yao, Zhenhui, Method and article of manufacture for monitoring state of health of an electrical energy storage device.
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Iwane, Noriyasu; Iwahana, Fumikazu; Kimura, Atsushi, Method and device for determining state of health of the battery, and battery power supply system.
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Donnelly, Frank; Tarnow, Andrew; Wolff, Bruce; Watson, John D., Multiple prime power source locomotive control.
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Badam, Anirudh; Chandra, Ranveer; Priyantha, Nissanka Arachchige Bodhi; Dutra, Jonathan Alan; Meinershagen, Julia L.; Hodges, Stephen E.; Moscibroda, Thomas, Schedule-based energy storage device selection.
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Chandra, Ranveer; Horvitz, Eric; Badam, Anirudh; Meinershagen, Julia L.; Priyantha, Nissanka Arachchige Bodhi; Dekmezian, Christopher, Shared electrode battery.
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Bucur, Constantin; Niculae, Marian, Single floating battery cell voltage level translator circuitry.
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Chang, Chun Chieh; Chang, Tsun Yu, State of health determination without unnoticed battery shut down.
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Bush, Terry D.; Cogar, Brian; Shetler, Jr., Russell E.; O'Donnell, Charles, System and method for improved accuracy in battery resistance measurement systems.
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Rich, David Gerard; Sutarwala, Taha Shabbir Husain; Patino, Joseph, System and method for programming rechargeable battery characteristics.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Circuit for monitoring cells of a multi-cell battery during charge 원문보기