Dark current cutoff device and dark current cutoff method

• Main Authors: AKAHO HIROMASA, NOBUSAWA HISASHI, KUBOTA AYUMU
• Format: Patent
• Language: Chinese; English
• Published: 15.01.2014
• Subjects: PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

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.