Cooling fin type low-noise air source heat pump unit

A cooling fin type low-noise air source heat pump unit comprises a machine shell, an assembling groove is formed in the position, close to the bottom end, of the side wall of the machine shell, a copper-aluminum alloy plate is installed in the assembling groove, cooling fins are arranged on the surface of the copper-aluminum alloy plate at equal intervals, and cooling grooves are formed in the surface of the copper-aluminum alloy plate; the heat dissipation grooves and the heat dissipation fins are alternately arranged, a flow guide conical face A and a flow guide conical face B are arranged in the assembling groove, and a protection assembly is installed on the surface of the machine shell and located on the outer side of the assembling groove. The copper-aluminum alloy plate and the heat dissipation fins are installed in the assembly groove of the machine shell, the heat dissipation mode of a traditional heat dissipation fan is replaced with the heat transfer mode of the heat dissipation fins, noise cannot