Refrigerating device for instrument

The invention relates to the technical field of refrigeration equipment, in particular to an instrument refrigeration device which comprises a shell and a refrigeration assembly arranged in the shell, the refrigeration assembly comprises a first water tank and a second water tank, a first water inlet pipe is arranged in the first water tank, and a second water inlet pipe is arranged in the second water tank; the end, extending out of the first water tank, of the first water inlet pipe is provided with a first mounting pipe, the other end of the first water inlet pipe is fixed to the second water inlet pipe, the first mounting pipe is provided with a water inlet header pipe, the first water inlet header pipe extends into the laser handle, and a first control assembly is arranged in the first mounting pipe. The first control assembly is used for controlling cooling water in the first water tank or cooling water in the second water tank to flow into the water inlet main pipe. The cooling device has the effect of