Base Unit and Desktop Cooling Fan

A desktop cooling fan, comprising:

• a base unit comprising a base, wherein the base unit comprises a base on which a lower liquid storage tank is formed in a liquid channel region, a delivering pump is provided in the lower liquid storage tank, the base comprises a front panel unit mounting part, and/or a cooling unit mounting part, and/or an air supply unit mounting part, and/or a cover unit mounting part, and/or a refrigerant unit mounting part, each of the front panel unit mounting part, the cooling unit mounting part, the air supply unit mounting part, the cover unit mounting part, and the refrigerant unit mounting part comprises a connecting part, and the connecting part comprises at least a snap-fitting part which is snap-fit by a protruding structure or a recessed structure that cooperates with each other or a screw-threaded part in which screwed connectors are connected to each other, and/or
• a front panel unit, which comprises at least a front panel, and is at least provided with a docking part at a lower part thereof, wherein the docking part is connected to the connecting part of the front panel unit mounting part in a corresponding and matching manner, and/or
• a cooling unit, which comprises at least a wet curtain, a conveying pipe for conveying refrigerant medium to wet curtain, and a wet curtain support for supporting the wet curtain, wherein the wet curtain frame is at least provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the cooling unit mounting part in a corresponding and matching manner, the conveying pipe is connected to a conveying pump, the upper part of the wet curtain frame is further provided with a storage pool, the conveying pipe conveys the refrigerant medium to the storage pool, and the storage pool is further provided with a diversion pipe for conveying refrigerant medium to the wet curtain and a liquid level device for monitoring the liquid level in the storage pool, and/or
• an air supply unit, which comprises at least a fan structure driven by a motor and an air channel structure, wherein the air channel structure has at least an air inlet adjacent to the wet curtain, an air outlet for outputting cool air to the outside, and an air channel connecting the air inlet and the air outlet, the main body of the fan structure is located in the air channel between the air inlet and the air outlet, the fan structure of the air supply unit is provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the air supply unit mounting part in a corresponding and matching manner, and/or
• a refrigerant unit, which comprises at least a container for accommodating a refrigerant, the refrigerant unit is at least provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the refrigerant unit mounting part in a corresponding and matching manner, and/or
• a cover unit, which comprises a housing, the housing forms a box structure at least together with the base and the front panel in a matching manner, the housing is at least provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the cover unit mounting part in a corresponding and matching manner.