[특허]Networked battery monitor and control system and charging method

Networked battery monitor and control system and charging method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-010/46
출원번호	US-0704226 (1996-08-27)
발명자 / 주소	Bourbeau Frank (5411 Toltec Dr. Santa Barbara CA 93111)
인용정보	피인용 횟수 : 146 인용 특허 : 0

초록 ▼

A safe, low-cost battery monitor and control system is presented. Electronic modules are connected to the terminals of respective batteries that make up a series string. Each module produces a go/no-go signal for each of four battery conditions: over-voltage, under-voltage, over-temperature and float-voltage, which are read by a network controller connected to each module via a single three-wire local area network. Based on the information received, the controller can adjust the charging current to the string, terminate the charge cycle, limit the current drawn from the string when in use, or disconnect the string from the system it is powering. The controller can record a history of the charge and discharge activity of each battery, so that the weakest batteries can be identified and replaced instead of scrapping the entire string. The system controls the charging current delivered to each battery during a charge cycle to insure that each battery is neither overcharged nor undercharged, by connecting a bypass circuit across the battery\s terminals to reduce the charging current when an over-voltage condition is detected, or by reducing charge current to the string. A battery\s voltage measurement is temperature compensated so that it can be accurately compared to temperature dependant limits. The addressable switch is bidirectional, so that the controller can, for example, force bypass resistors to be connected across selected batteries in order to heat up the batteries in a cold environment.

대표청구항 ▼

A networked battery monitor and control system, comprising: monitor circuitry to compare at least one parameter of each battery in a group of batteries with predetermined limits, said monitor circuitry producing go/no-go signals with respect to each of said limits, bypass circuitry responsive to said monitor circuitry and connectable across the terminals of individual batteries when their respective battery voltages exceed respective predetermined limits, to reduce the amount of charging current flowing through them, a controller that receives said go/no-go signals and reduces the charging current to a group of batteries when said bypass circuitry is unable to reduce the voltage of a battery in the group below a predetermined limit, said controller located remote from said monitor circuitry, and cabling interconnecting said monitor circuitry and said remote controller for carrying said go/no-go signals between them.

이 특허를 인용한 특허 (146)

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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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Networked battery monitor and control system and charging method 원문보기

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Networked battery monitor and control system and charging method 원문보기

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이 특허를 인용한 특허 (146)

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