US 6,719,596 B2 · Power source system for a boat

Abstract

A power source system for a small boat is equipped with a main switch with a lanyard switch capable of turning OFF power source in case of an emergency by connecting to an occupant by wire. The power system controls the power source to accessories, including a fuel injection system. The power source system includes a main relay for turning ON/OFF power source to be supplied to the accessories, and a control unit (display control unit) connected in parallel to the main switch in order to control the main relay. An ON/OFF state of the main switch is monitored by the control unit (display control unit) to control the ON/OFF state of the main relay on the basis of the ON/OFF state of the main switch. With this system, it is possible to collectively control the ON/OFF of the power source supplied to the accessories, including the fuel injection system. Thus, the power source system can be simplified.

Claims20

Dependent claims

A power source system for supplying a power source to accessories and an engine of a boat, said power source system comprising:

an electronic control unit (ECU) which controls said accessories and said engine;
a main switch with a lanyard switch capable of turning OFF said power source in case of an emergency by connecting to an occupant by a wire of the lanyard;
a main relay for turning ON/OFF the power source to be supplied to said accessories and said electronic control unit (ECU);
and
a display control unit connected in parallel to said main switch in order to control said main relay,
wherein an ON/OFF state of said main switch is monitored by said display control unit to control an ON/OFF state of said main relay on the basis of the ON/OFF state of said main switch, and
wherein information is outputted from said display control unit to said electronic control unit (ECU) for controlling said accessories.

4 more elements

A power source system for a boat for supplying a power source to a boat, said power source system comprising:

an electronic control unit (ECU) for controlling accessories and an engine;
a main switch with a lanyard switch capable of turning OFF said power source in case of an emergency by connecting to an occupant by a wire of the lanyard;
a main relay for turning ON/OFF power source to be supplied to said accessories;
and
display control unit connected in parallel to said main switch in order to control said main relay,
wherein an ON/OFF state of said main switch is monitored by said display control unit to control an ON/OFF state of the main relay on the basis of said ON/OFF state of the main switch, and
wherein the display control unit also drives a display device for displaying operational status of the engine and the accessories.

4 more elements

A power source system for a boat for supplying a power source to the boat, said power source system comprising:

an electronic control unit (ECU) for controlling accessories and an engine;
a main switch with a lanyard switch capable of turning OFF power source in case of an emergency by connecting to an occupant by a wire of the lanyard;
a main relay for turning ON/OFF power source to be supplied to said accessories;
and
a display control unit connected in parallel to said main switch in order to control said main relay,
wherein an ON/OFF state of said main switch is monitored by said display control unit to control an ON/OFF state of the main relay on the basis of said ON/OFF state of the main switch, and
wherein said display control unit has a theft prevention function, and when information for turning OFF said main relay is outputted from said display control unit, a stop signal for stopping said engine is outputted to said control unit (ECU) for controlling said engine on the basis of said information for turning OFF.

4 more elements

Dependencies are inferred from the claim text.

Power source system for a boat

Life of this patent

Power source system for a boat

Life of this patent

Abstract

Claims20