BATTERY CHARGER AND METHOD
First Claim
1. A charging control method for a vehicle, the vehicle including a battery for discharging a charging current to an electric motor for driving the vehicle to run, and a charger, which is not mounted on the vehicle, for charging the battery with a charging current from a power source, wherein the battery is charged by the charger in charging modes that are switched sequentially at a plurality of predetermined timings as a charging time elapses, and values of the charging current for the respective charging modes are reduced as the charging time elapses generally over the entirety of the charging time,characterized in that charging in a charging mode is stopped when a temperature of the charger is increased to reach a predetermined temperature, so that charging is performed at a lower charging current that is lower than a charging current for the preceding charging mode until a start predetermined timing for a subsequent charging mode that was to follow the preceding charging mode is reached.
1 Assignment
0 Petitions
Accused Products
Abstract
[Problem to be Solved] To efficiently charge a battery via a charger at a higher possible charging current that is within the range where no trouble due to the temperature occurs in the charger.
[Solution] There is provided a charger 10 that can charge a battery 3 of a vehicle 1 with a charging current A from a power source 8, and that is not mounted on board. In charging the battery 3, charging modes M1 to M4 are switched sequentially at a plurality of predetermined timings H1 to H5 as a charging time H elapses. Generally over the entire charging time H, values of the charging current A for the respective charging modes M1 to M4 are reduced as the charging time H elapses. Charging in a charging mode M1 is stopped when the temperature T of the charger 10 is increased to reach a predetermined temperature T1, so that charging is performed at a first lower charging current A1′ that is lower than the first charging current A1 for the preceding first charging mode M1 until a start predetermined timing H2 for a subsequent charging mode M2 that was to follow the preceding charging mode M1 is reached.
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Citations
5 Claims
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1. A charging control method for a vehicle, the vehicle including a battery for discharging a charging current to an electric motor for driving the vehicle to run, and a charger, which is not mounted on the vehicle, for charging the battery with a charging current from a power source, wherein the battery is charged by the charger in charging modes that are switched sequentially at a plurality of predetermined timings as a charging time elapses, and values of the charging current for the respective charging modes are reduced as the charging time elapses generally over the entirety of the charging time,
characterized in that charging in a charging mode is stopped when a temperature of the charger is increased to reach a predetermined temperature, so that charging is performed at a lower charging current that is lower than a charging current for the preceding charging mode until a start predetermined timing for a subsequent charging mode that was to follow the preceding charging mode is reached.
Specification