BATTERY PACK AND ELECTRICAL APPARATUS USING SAME

Title:

BATTERY PACK AND ELECTRICAL APPARATUS USING SAME

Document Type and Number:

WIPO Patent Application WO/2021/199817

Kind Code:

A1

Abstract:

The present invention detects a predictive abnormal phenomenon in a battery pack and prevents the use of the battery pack before power is shut off at a fuse. The battery pack comprises: a battery cell; a connection unit which is electrically connected to the battery cell and is connected to an external electrical apparatus main body; and a control unit which controls the battery cell, wherein, when detecting an abnormal state such as chattering, the control unit causes a charge prevention signal (LS) and a discharge prevention signal (LD) to be continuously output and makes the charge and discharge of the battery pack impossible (steps 226-228). The continuous output of these signal prevention signals is configured not to be negated by an operation of a user, and the battery pack can be made unusable by software control.

Inventors:

YAMAGUCHI SATOSHI (JP)
SAKAMOTO MITSUTAKA (JP)
HANAWA HIROYUKI (JP)

Application Number:

PCT/JP2021/007392

Publication Date:

October 07, 2021

Filing Date:

February 26, 2021

Export Citation:

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Assignee:

KOKI HOLDINGS CO LTD (JP)

International Classes:

H02H7/18; H01M10/48; H01M50/20; H02J7/00

Foreign References:

JP2005131770A	2005-05-26
JP2019004631A	2019-01-10
JP2012182909A	2012-09-20
JP2019004631A	2019-01-10

Other References: