Portable air conditioner

A portable air conditioner comprising:

• a housing having an internal space;
• a heat exchanger provided in the internal space and heat-exchanged the external air introduced from the outside;
• a blower fan configured to generate a negative pressure in the internal space so that that the external air is introduced and configured to discharge the heat-exchanged external air upward;
• a drain pan provided below the heat exchanger and configured to collect condensate generated in the heat exchanger and discharge the condensate downward;
• a water tank configured to store the condensate discharged from the drain pan;
• a drain guide part provided in the drain fan and configured to guide the collected condensate and fall down to a lower portion of the drain pan;
• and
• a scattering prevention part provided above the drain guide part and configured to prevent the condensate guided by the drain guide part from being scattered by the negative pressure generated in the internal space.