Devices, systems, and methods for mitigating vehicle power loss in battery mode
Devices, systems, and methods are provided for mitigating vehicle power loss. A vehicle charging system may include a power supply, and a voltage control device associated with receiving first voltage from the power supply, providing the first voltage to a hybrid vehicle or a battery electric vehicle, and blocking a second voltage from the hybrid vehicle or the battery electric vehicle, wherein the vehicle charging system is external to the hybrid vehicle or the battery electric vehicle.
1. A vehicle voltage system comprising:
a first power supply;
a voltage control device configured to:
receive a first voltage from the first power supply;
provide the first voltage to a low-voltage battery of a battery hybrid electric vehicle;
block a backfeed current from a high-voltage battery of the battery hybrid electric vehicle to the low-voltage battery; and
a communication interface to communicate vehicle sensor data from a computer of the battery hybrid electric vehicle to one or more external computing devices when connected to the first power supply.
2. The vehicle voltage system of claim 1 , wherein the voltage control device is further configured to provide the first voltage to the low-voltage battery of the battery hybrid electric vehicle when a second power supply of the battery hybrid electric vehicle is off and when a third voltage of the low-voltage battery of the battery hybrid electric vehicle is below a threshold voltage.
3. The vehicle voltage system of claim 1 , wherein the voltage control device is further configured to block the second voltage when a second power supply of the battery hybrid electric vehicle is on.
4. The vehicle voltage system of claim 1 , wherein the voltage control device comprises a diode.
5. The vehicle voltage system of claim 1 , wherein the voltage control device comprises a relay monitor circuit.
6. The vehicle voltage system of claim 1 , wherein the first power supply is a twelve-volt power supply.
7. A method for a battery hybrid electric vehicle, the method comprising:
generating, by a power supply of a vehicle voltage system external to the battery hybrid electric vehicle, a first voltage for a voltage control device of the vehicle voltage system;
providing, from the voltage control device, the first voltage to a low-voltage battery of the battery hybrid electric vehicle;
blocking a backfeed current from a high-voltage battery of the battery hybrid electric vehicle to the low-voltage battery; and
communicating, by a communication interface, vehicle sensor data from a computer of the battery hybrid electric vehicle to one or more external computing devices when connected to the power supply.
8. The method of claim 7 , further comprising detecting, by the voltage control device, that a second voltage is below a threshold voltage, wherein providing the first voltage to the low-powered battery of the battery hybrid electric vehicle is based on the detecting.
9. The method of claim 7 , wherein the voltage control device comprises a diode.
10. The method of claim 7 , wherein the voltage control device comprises a relay monitor circuit.
11. The method of claim 7 , wherein the power supply is a twelve-volt power supply.
12. A vehicle voltage system comprising:
a first power supply external to a battery hybrid electric vehicle; and
a voltage control device external to the battery hybrid electric vehicle, the voltage control device configured to:
receive a first voltage from the first power supply;
provide the first voltage to a low-voltage battery of the battery hybrid electric vehicle;
block a backfeed current from a high-voltage battery of the battery hybrid electric vehicle to the low-voltage battery; and
a communication interface to communicate vehicle sensor data from a computer of the battery hybrid electric vehicle to one or more external computing devices when connected to the first power supply.
13. The vehicle voltage system of claim 12 , wherein the voltage control device is further configured to provide the first voltage to the low-voltage battery of the battery hybrid electric vehicle when a second power supply of the battery hybrid electric vehicle is off and when a third voltage of the low-voltage battery of the battery hybrid electric vehicle is below a threshold voltage.
14. The vehicle voltage system of claim 12 , wherein the voltage control device is further configured to block the second voltage when a second power supply of the battery hybrid electric vehicle is on.
15. The vehicle voltage system of claim 12 , wherein the voltage control device comprises a diode.
16. The vehicle voltage system of claim 12 , wherein the voltage control device comprises a relay monitor circuit.
17. The vehicle voltage system of claim 12 , wherein the first power supply is a twelve-volt power supply.