Battery condition detection apparatus

Thermal measuring and testing – Temperature measurement – Combined with diverse art device

Reexamination Certificate

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Details

C374S208000, C374S004000, C374S057000, C374S152000, C320S150000

Reexamination Certificate

active

07896543

ABSTRACT:
A battery condition detection apparatus is composed of a semiconductor element, and a lead frame and mold resin. The semiconductor element is composed of plural diodes connected in series as a temperature sensitive element for detecting a temperature of a battery and a communication circuit for outputting a temperature detection result to an outside device such as ECU mounted on a vehicle. The semiconductor element is mounted on the lead frame having high heat conductivity rather than that of the mold resin. The semiconductor element and the lead frame are completely sealed with the mold resin. The battery condition detection apparatus is mounted on a battery case which accommodates the battery of a vehicle so that the lead frame of high heat conductivity is directly contacted to the battery case. The heat conductivity of the lead frame is more than 100 times of that of the mold resin.

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