In order to ventilate and dissipate heat, factories usually install ridge ventilator on the building's roof, and use the ventilation structure to provide exchangeable channels for roof steel ridge vent, in order to eliminate the heat rise in the industrial factory buildings, and then achieve heat dissipation. The cooling effect creates a more comfortable working environment and further effectively improves the working efficiency of employees.

The comparative analysis of adjustable opening and closing ridge ventilator structure and the traditional air building ventilation structure generally has the following two types:

(1) Vent structure: It mainly depends on the appropriate gap between the side wall and the roof of the air building when the air building is constructed, so as to form its vent to achieve the effect of ventilation and heat dissipation.

(2) Roof louver vent structure: It is mainly to arrange the side walls of the air tower into several pieces, and make each piece at an appropriate angle and full of gaps. The gaps are used to form its ventilation holes so that hot air can pass through. Wait for the air holes to be discharged to the outside to achieve the function of heat dissipation and cooling.

Although the ventilation structure design of the above two traditional natural roof ventilation can achieve the expected ventilation and heat dissipation function, because the ventilation structure is fixed, the vents are always open at all times, and the opening and closing cannot be controlled. It is difficult to obtain good ventilation and heat dissipation effect.