Patent ID: 8994338
Filing Date: 2015-03-31
Classification: B60L,H02J,Y02T

Abstract:
1. A charger system for use in a vehicle to charge a vehicle battery, the charger system comprising: a first charger configured to connect to a vehicle bus, having a first master indication digital input, and being configured to decode the first master indication digital input to determine a first role as either a master charger or a slave charger, wherein when the first role is determined as the master charger the first charger configures the connection to the vehicle bus to use a master node message set, and when the first role is determined as the slave charger the first charger configures the connection to the vehicle bus to use a slave node message set; and a second charger configured to connect to the vehicle bus, having a second master indication digital input, and being configured to decode the second master indication digital input to determine a second role as either a master charger or a slave charger, wherein when the second role is determined as the master charger the second charger configures the connection to the vehicle bus to use the master node message set, and when the second role is determined as the slave charger the second charger configures the connection to the vehicle bus to use the slave node message set; wherein the first and second chargers are configured to communicate with each other and agree on which charger is to serve as the master charger, with the other charger to serve as the slave charger, and wherein the first charger and the second charger are configured to communicate their serial numbers, and which charger is the master charger is determined based on the serial numbers.