Dock shelter module provided with dual gate and air curtain

A dock shelter module that is disposed at a side of a warehouse and connects an inside and outside of the warehouse, the dock shelter module comprising:

• a top frame;
• a pair of side frames coupled to both sides of the top frame, longitudinally extending, and forming a loading-unloading space in cooperation with the top frame;
• a bottom frame coupled to lower ends of the pair of side frames and having a dock leveler seated thereon;
• a first gate coupled to the top frame, disposed at a front of the loading-unloading space, and opening and closing the outside of the warehouse and the loading-unloading space;
• a second gate coupled to the top frame, disposed at a rear of the loading-unloading space, and opening and closing the inside of the warehouse and the loading-unloading space;
• and
• an air curtain generator installed on a bottom of the top frame between the first gate and the second gate, and configured to form an air curtain in the loading-unloading space in accordance with whether the first gate and the second gate are opened and closed,
• wherein the top frame includes:
• a top channel configured to communicate with the air curtain generator, and the inside and outside of the warehouse;
• and
• a top valve disposed in the top channel, configured to selectively control a flow of air such that cold air in the warehouse flows into the air curtain generator and the air curtain is formed during loading/unloading and such that air outside the warehouse flows into the air curtain generator and the air curtain is formed to dry the loading-unloading space after the loading/unloading is finished.