Dark current cutoff device and dark current cutoff method

Abstract

A dark current cutoff device (1) comprises: a battery (10) for supplying electrical power to a load (20); a cutoff switch (32) provided between the battery (10) and the load (20) to cut off the supply of electrical power to the load (20) when open and to allow electrical power to be supplied to the load (20) when closed; a failure recording part (21) for determining that a failure has occurred in the load (20) when the load (20) does not operate, and recording the failure; an open / close determining part (41) for determining that the cutoff switch (32) is open; and a recording prohibiting part (22) for prohibiting the failure recording part (21) from determining and recording that a failure has occurred when the cutoff switch (32) is determined by the open / close determining part (41) to be open.

Description

technical field [0001] The invention relates to a dark current cutting device and a dark current cutting method. Background technique [0002] In recent years, electrical installations in vehicles have gradually increased, and thus dark current tends to increase during vehicle transportation and storage. Therefore, the battery is easily exhausted during transportation and storage of the vehicle. Therefore, in order to prevent the battery from being exhausted during vehicle transportation and storage, a technique of removing a shorting bar of a fuse provided between the load and the battery in advance has been proposed (for example, refer to Patent Documents 1 and 2). In addition, it is proposed to provide a relay between the load and the battery to disconnect the relay (for example, refer to Patent Document 3). [0003] Patent Document 1: Japanese Patent Laid-Open No. 2008-126812 [0004] Patent Document 2: Japanese Patent No. 2008-179221 [0005] Patent Document 3: Japa...

AI Technical Summary

Problems solved by technology

Therefore, it is easy to drain the battery during vehicle transportation and storage

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