Fluid supply system for compressor

The utility model provides a fluid supply system for a compressor, the fluid supply system is applied to a refrigerating unit, the refrigerating unit at least comprises a liquid storage device, the fluid supply system for the compressor comprises a fluid supplementing module, a fluid supply module, a fluid supply module and a fluid supply module, and the fluid supply module receives a liquid refrigerant through the gravity of refrigerant liquid in the liquid storage device; the supply module is used for receiving a liquid refrigerant and/or a gas refrigerant and/or a liquid and gas refrigerant mixture provided by the liquid supplementing module according to the pressure difference between the pressure of the supply module and the pressure difference between the liquid supplementing module; the supply module provides a liquid refrigerant and/or a gas refrigerant and/or a mixture of the liquid refrigerant and the gas refrigerant for a static pressure gas bearing used in the compressor; wherein the liquid supple