Power supply system for vehicle
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKeita SAKURAI
Life of this patent
Estimating the term…
Abstract
The first control device is connected to a power supply. The second control device is connected to the first control device via a power supply line and operates with power supplied from the first control device via the power supply line. The switch switches whether or not to make the power supply and the power supply line conductive to each other. The power supply unit is configured to supply power to a power supply line. When the switch is in the conduction state, power is supplied from the power supply to the power line at a first voltage. When the switch is in a non-conductive state, power is supplied from the power supply unit to the power supply line at a second voltage. The first controller switches a switch to transmit the pulse signal to the second control device via a power supply line.
Claims5
A power supply system for a vehicle, the power supply system comprising:
- a first control device connected to a power supply;
- and
- a second control device configured to operate with power supplied from the first control device via a power supply line, the second control device being connected to the first control device via the power supply line, wherein:
- the first control device includes
- a switch configured to switch between conducting and non-conducting between the power supply and the power supply line,
- a first controller configured to control the switch, and
- a power supply unit configured to supply the power to the power supply line;
- in a case where the switch is in a conductive state, the power is supplied from the power supply to the power supply line at a first voltage;
- in a case where the switch is in a non-conductive state, the power is supplied from the power supply unit to the power supply line at a second voltage different from the first voltage;
- the first controller transmits a pulse signal to the second control device via the power supply line by switching the switch;
- and
- the second control device includes a second controller configured to determine a control content based on the pulse signal received via the power supply line.
Dependencies are inferred from the claim text.