Split type air conditioner mounting structure based on outdoor space limitation

The split type air conditioner installation structure based on the limited outdoor space comprises a fresh air isolation hood, an air conditioner indoor unit and an air conditioner outdoor unit, the fresh air isolation hood is arranged close to an indoor wall to form a closed outdoor unit installation space, the air conditioner indoor unit and the air conditioner outdoor unit are connected through a connecting pipe set, and the air conditioner indoor unit is arranged indoors. The air conditioner outdoor unit is arranged in the outdoor unit mounting space; the indoor wall is provided with a fresh air opening and an exhaust opening which are communicated with the outdoor unit installation space. According to the technical scheme, the closed outdoor unit installation space is independently formed indoors through the fresh air isolation hood and used for installing the air conditioner outdoor unit, and the fresh air opening and the exhaust opening which communicate with the outdoor unit installation space are for