Vehicle charging system for charging an auxiliary battery from a plurality of power sources
First Claim
1. A charging system configured to charge an auxiliary battery of a vehicle comprising a tractor, a trailer, and a converter coupled to the auxiliary battery, the charging system comprising:
- a switch configured to electrically couple an electrical system of the tractor to the auxiliary battery, the switch and the converter being at separate and parallel current paths to the auxiliary battery;
a diode network configured to receive electrical power from a plurality of auxiliary power sources and to supply power to the converter; and
a controller configured to monitor a first input voltage at an input of the switch, a second input voltage at an output of the diode network, and an auxiliary battery voltage, and to control states of the switch and the converter based on the monitored first and second input voltages and the auxiliary battery voltage.
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Accused Products
Abstract
There is provided a charging system configured to charge an auxiliary battery of a vehicle including a tractor, a trailer, and a converter coupled to the auxiliary battery, the charging system including a switch configured to electrically couple an electrical system of the tractor to the auxiliary battery, a diode network configured to receive electrical power from a plurality of auxiliary power sources and to supply power to the converter, and a controller configured to monitor a first input voltage at an input of the switch, a second input voltage at an output of the diode network, and an auxiliary battery voltage, and to control states of the switch and the converter based on the monitored first and second input voltages and the auxiliary battery voltage.
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Citations
20 Claims
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1. A charging system configured to charge an auxiliary battery of a vehicle comprising a tractor, a trailer, and a converter coupled to the auxiliary battery, the charging system comprising:
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a switch configured to electrically couple an electrical system of the tractor to the auxiliary battery, the switch and the converter being at separate and parallel current paths to the auxiliary battery; a diode network configured to receive electrical power from a plurality of auxiliary power sources and to supply power to the converter; and a controller configured to monitor a first input voltage at an input of the switch, a second input voltage at an output of the diode network, and an auxiliary battery voltage, and to control states of the switch and the converter based on the monitored first and second input voltages and the auxiliary battery voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A charging system configured to charge an auxiliary battery of a vehicle comprising a tractor and a trailer, the charging system comprising:
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a switch configured to electrically couple an electrical system of the tractor to the auxiliary battery; a converter configured to receive electrical power from a plurality of auxiliary power sources and to supply a regulated output power to the auxiliary battery, the switch and the converter being at separate and parallel current paths to the auxiliary battery; a controller configured to monitor a first input voltage at an input of the switch, a second input voltage at an input of the converter, and an auxiliary battery voltage, and to control states of the switch and the converter based on the monitored first and second input voltages and the auxiliary battery voltage. - View Dependent Claims (13, 14, 15, 16)
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17. A method of charging an auxiliary battery of a vehicle comprising a tractor and a trailer, an electrical system of the trailer comprising a converter coupled to the auxiliary battery, a switch coupled between an electrical system of the tractor and the auxiliary battery, a diode network coupled between a plurality of auxiliary power sources and the converter, and a controller, the method comprising:
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monitoring, by the controller, a first input voltage at an input of the switch, a second input voltage at an output of the diode network, and an auxiliary battery voltage; activating, by the controller, the switch when the first input voltage is greater than the auxiliary battery voltage and the first input voltage is greater than a first threshold; and deactivating, by the controller, the switch when the first input voltage is less than the auxiliary battery voltage or the first input voltage is less than or equal to the first threshold, wherein the switch and the converter are at separate and parallel current paths to the auxiliary battery. - View Dependent Claims (18, 19, 20)
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Specification