Device for detecting residual capacity of secondary battery

Details Device for detecting residual capacity of secondary battery Device for detecting residual capacity of secondary battery

1993-08-24

1996-07-16

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 15, 320 48, H01M 1048

Patent

active

055373909

ABSTRACT:
A secondary battery control device includes a secondary battery section, a current converting section for converting current inputted or outputted to the secondary battery section from direct current to alternating current or vice versa, and a charge and discharge control section for controlling an input and an output as monitoring the state of the secondary battery section. The secondary battery control device is characterized in that the secondary battery section is arranged to have a main battery, an auxiliary battery connected in parallel to the main battery, an operating section for operating a residual capacity of the main battery by detecting a voltage of the auxiliary battery, and an indicator for indicating the residual capacity outputted from the operating section.

REFERENCES:
patent: 4066936 (1978-01-01), Hirota
patent: 4497881 (1985-02-01), Bertolino
patent: 4851756 (1989-07-01), Schaller et al.
patent: 4952862 (1990-08-01), Biagetti et al.
patent: 5175531 (1992-12-01), Whitmire et al.
"Report for Searching and Studying Capacity Meter for Residual Capacity for Electric Car," pp. 8 and 19, 1988, edited by Japan Electric Car Society Foundation.
Patent Abstracts of Japan, vol. 16, No. 574 (E-1298), Dec. 14, 1992, & JP-A-4-223065 K. Hironaka, et al., Aug. 12, 1992.
W. Schleuter in etz Archiv, vol. 4, (1982), No. 3, pp. 91-98.

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