Heating ventilation device for construction site
The invention relates to a ventilation device, in particular to a heating ventilation device for a construction site. The technical problem to be solved is to provide the heating ventilation device for the construction site, which can realize switching of cold air exhaust and hot air exhaust. A cons...
Saved in:
Main Author | |
---|---|
Format | Patent |
Language | Chinese English |
Published |
22.07.2022
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | The invention relates to a ventilation device, in particular to a heating ventilation device for a construction site. The technical problem to be solved is to provide the heating ventilation device for the construction site, which can realize switching of cold air exhaust and hot air exhaust. A construction site heating ventilation device comprises fixing frames, a fixing shell, a hose, an air outlet, a fan, ventilation plates and the like, the fixing frames are arranged on the left side and the right side of the fixing shell, an opening is formed in the front side of the fixing shell, the ventilation plates are arranged on the left side and the right side of the fixing shell, and the hose is arranged on the lower portion of the rear side of the fixing shell. According to the device, cold air can be discharged into a construction site under the work of a fan, if the device needs to be switched into warm air, an electric push rod is controlled to work, so that a first rotating plate is rotationally opened, a g |
---|---|
Bibliography: | Application Number: CN202210393004 |