Title:
BATTERY RESISTANCE CALCULATION DEVICE
Document Type and Number:
Japanese Patent JP2014215276
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a battery resistance calculation device capable of calculating resistance of a battery properly.SOLUTION: A battery resistance calculation device includes a first sensor for detecting a temperature of a battery 12, a second sensor for detecting a current and a voltage of the battery 12, and resistance calculation means for calculating internal resistance of the battery 12 on the basis of the temperature detected by the first sensor and the value detected by the second sensor. The resistance calculation means calculates the internal resistance on the basis of the detected value corresponding to the detected temperature when the detected temperature is higher than a threshold temperature. The threshold temperature is set at a temperature where the amount of change in internal resistance with respect to the amount of change in temperature of the battery 12 is equal to or less than a predetermined value.
Inventors:
TOKI YOSHIMASA
Application Number:
JP2013095326A
Publication Date:
November 17, 2014
Filing Date:
April 30, 2013
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
G01R31/36; H01M10/48; H02J7/00
Attorney, Agent or Firm:
It can exceed and is a patent business corporation.
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