Hidden-frame narrow-chamber double skin curtain wall

The utility model discloses a hidden-frame narrow-chamber double skin curtain wall, which comprises a plurality of connected curtain wall units. Each curtain wall unit comprises a curtain wall keel and an outer glass face frame, the curtain wall keel is connected with the outer glass face frame through first hinges, and an outer glass face plate is arranged in the outer glass face frame. The hidden-frame narrow-chamber double skin curtain wall is characterized in that an inner glass face frame is arranged on each curtain wall keel and connected with the curtain wall keel through second hinges, an inner glass face plate is arranged in the inner glass face frame, a thermal channel is reserved between each outer glass face plate and the corresponding inner glass face frame, an air outlet at the top of each curtain wall unit is communicated with the corresponding thermal channel, and the bottom of each curtain wall unit is provided with an air inlet communicated with the corresponding thermal channel.