Automatic oil supplementing device and oil supply system

The utility model provides an automatic oil recharging device and an oil supply system.The automatic oil recharging device is used for injecting oil into equipment to be oiled, the automatic oil recharging device comprises an oil storage tank and a control part, an oil outlet is formed in the oil storage tank and used for being connected with an oil outlet pipeline, and an oil pump is arranged on the oil outlet pipeline; the output end of the oil pump is connected with equipment to be oiled, and the control part is arranged in the equipment to be oiled, connected with the oil pump and used for controlling the oil pump to start and stop according to the liquid level of oil in the equipment to be oiled. The control part is arranged to monitor the liquid level change of the oil tank in the oil supply system and control the start and stop of the oil pump based on the liquid level of the oil in the oil tank, so that the oil can be automatically supplemented into the oil tank when the liquid level of the oil in the