Hydrogen fuel cell power ship stern tube lubricating tube system and control method thereof

The invention provides a hydrogen fuel cell power ship stern tube lubricating tube system and a control method thereof, an engine is connected with a lubricating oil pump, an oil outlet pipe of the lubricating oil pump is communicated with the interior of a stern piston supporting seat through a control valve, and the control valve comprises a pressure regulating valve and a temperature regulating valve; a valve of the pressure regulating valve is connected with a valve ring of the temperature regulating valve through a valve rod; the upper end of the pressure regulating valve is connected with the pressure stabilizing valve; a cooling lubricating oil tank is further arranged and communicated with a temperature adjusting valve of the control valve through a lubricating oil pump. The pressure stabilizing valve controls pressure to open the pressure regulating valve to release pressure and discharge oil, and the temperature regulating valve opens a valve ring through temperature to discharge oil; the oil convey