贝柯(Bahco)公司最新型号的“空气帘帘”——CHD能够调节出气方向和出气孔的宽度。 该气帘的工作原理是:从靠近天花板的温暖的气流层中把室内的空气引下,通过安装在门窗下的齐地板平面的栅格、以和竖直方向成30度的角度向外排放。这样就形成一种“喷泉”效应,当喷出的气流被室外的风向内推压时,这一股气流就进入门口内侧的某点、从而把门 Bahco’s latest model of “air curtain” - CHD can adjust the direction of the outlet and the width of the outlet hole. The operating principle of the air curtain is that the air in the room is led from the warm air flow layer near the ceiling, and is discharged outward at an angle of 30 degrees to the vertical direction through the grid of the flush floor plane installed under the door and window. This creates a “fountain” effect. When the air flow is pushed inwards by the outdoor air, this air flow enters a point on the inner side of the doorway, thus the door