Refrigerator with a reserved installation space arranged at the bottom heat dissipation compartment

A refrigerator, comprising:

• a cabinet defining a storage chamber, with a heat dissipation compartment set at a rear bottom of the cabinet;
• a compressor, a duct assembly, and an evaporating tray sequentially arranged within the heat dissipation compartment along a horizontal direction of the cabinet, wherein a heat dissipating fan is installed on a first side of the duct assembly facing the compressor, a condenser is installed on a second side of the duct assembly facing the evaporating tray, and
• the heat dissipation compartment reserves an installation space on a third side of the evaporating tray away from the duct assembly, the installation space is equipped with one or more mating structures, each of which is used to install an auxiliary functional component;
• the mating structures comprise a first mating structure set on a sidewall of the installation space opposite the duct assembly, the first mating structure comprises a positioning slot and fixing holes located on the sidewall of the installation space opposite the duct assembly;
• the auxiliary functional component mounted on the first mating structure comprises an ice water valve, which is connected to the first mating structure through a fixed frame.