Ventilation device for building

Abstract

A ventilation device for a building comprising: a first ventilation system, a second ventilation system, a third ventilation system, a fourth ventilation system, a fifth ventilation system, a sixth ventilation system, a seventh ventilation system, an eighth ventilation system, and an air intake system, The first ventilation system, the second ventilation system, the third ventilation system, the fourth ventilation system, the fifth ventilation system, and the air intake system are mounted on a spire of a roof top and tilted roof sheeting of the building. The sixth ventilation system, the seventh ventilation system, and the eighth ventilation system are fixed on a bottom chord and a wall of the building.

What is claimed is: 
     
         1 . A ventilation device for a building comprising: a first ventilation system, a second ventilation system, a third ventilation system, a fourth ventilation system, a fifth ventilation system, a sixth ventilation system, a seventh ventilation system, an eighth ventilation system, and an air intake system;
 wherein the first ventilation system, the second ventilation system, the third ventilation system, the fourth ventilation system, the fifth ventilation system, and the air intake system are mounted on a spire of a roof top and tilted roof sheeting of the building; and   wherein the sixth ventilation system, the seventh ventilation system, and the eighth ventilation system are fixed on a bottom chord and a wall of the building.   
     
     
         2 . The ventilation device for the building as claimed in  claim 1 , wherein the first ventilation system is mounted onside a first air outlet of the roof top, and the first ventilation system includes two first covers arranged on two sides of the first ventilation system respectively, two second covers fixed on two tops of the two first covers and obliquely extending upward, wherein one of the two first covers has a first one of two drain holes defined on a connection portion of a bottom of the one first cover and the roof top, the other first cover has a first tilted guide plate extending inward from a middle section thereof, and the other first cover has a second drain hole defined on a connection portion of the first tilted guide plate and the other first cover, wherein one of the two second covers has multiple first discharge orifices defined above the first tilted guide plate and has multiple first stop sheets separately arranged among the multiple first discharge orifices respectively. 
     
     
         3 . The ventilation device for the building as claimed in  claim 1 , wherein the second ventilation system is mounted on a second air outlet of the tilted roof sheeting, and the second ventilation system includes a third cover and a fourth cover which are arranged on two sides of the second ventilation system respectively, wherein each of the third cover and a fourth cover has a first light transmission plate, wherein the third cover has a second tilted guide plate connected on and extending inward from a top thereof, wherein the second ventilation system further includes multiple second discharge orifices defined between the second tilted guide plate and the fourth cover, multiple second stop sheets separately arranged among the multiple second discharge orifices respectively, a first auxiliary guide plate located below the second tilted guide plate, a third tilted guide plate located below the first auxiliary guide plate and connected with an inner wall of a lower end of the fourth cover, and a third drain hole defined on a connection portion of the third tilted guide plate and the inner wall of the lower end of the fourth cover. 
     
     
         4 . The ventilation device for the building as claimed in  claim 1 , wherein the third ventilation system is secured on the second air outlet, and the third ventilation system includes two fifth covers arranged on two sides of the third ventilation system respectively, a third discharge orifice defined between two tops of the two fifth covers, multiple second stop sheets separately fixed in the third discharge orifice, two first conduct extensions obliquely extending downward from a bottom of a central second stop sheet of the multiple second stop sheets, and two first holders located below the two first conduct extensions respectively, wherein a respective one of the two first holders has multiple first splashback sheets, and the respective one first holder has some of multiple fourth drain holes defined on a bottom thereof and two ends of the third ventilation system respectively. 
     
     
         5 . The ventilation device for the building as claimed in  claim 1 , wherein the fourth ventilation system is mounted on the second air outlet of the tilted roof sheeting, and the fourth ventilation system includes two sixth covers formed on two sides thereof respectively, a fourth discharge orifice defined between two tops of the two sixth covers, multiple third stop sheets separately fixed in the fourth discharge orifice, two second conduct extensions obliquely extending downward from a bottom of a central third stop sheet of the multiple third stop sheets, and two second holders connected with two bottoms of the two second conduct extensions respectively, wherein a respective one of the two second holders has multiple second splashback sheets, and the respective one second holder has another fourth drain holes defined on a bottom thereof and two ends of the fourth ventilation system respectively. 
     
     
         6 . The ventilation device for the building as claimed in  claim 1 , wherein the fifth ventilation system is mounted on the second air outlet of the tilted roof sheeting, and the fifth ventilation system includes two seventh covers formed on two sides thereof respectively, a fifth discharge orifice defined between two tops of the two seventh covers, multiple fourth stop sheets separately fixed in the fifth discharge orifice, a third conduct extensions straightly extending downward from a bottom of a central fourth stop sheet of the multiple fourth stop sheets, and two third holders connected with two sides of a bottom of the third conduct extension respectively, wherein a respective one of the two third holders has multiple third splashback sheets, and the respective one third holder has the other fourth drain holes defined on a bottom thereof and two ends of the fifth ventilation system respectively. 
     
     
         7 . The ventilation device for the building as claimed in  claim 1 , wherein the sixth ventilation system includes a case disposed on a third air outlet, and the case has a sixth discharge orifice defined on a front end thereof, a first protective piece arranged inside the sixth discharge orifice, a second protective piece connected on an inner wall of the first protective piece, multiple fifth stop sheets separately secured in the sixth discharge orifice and located on an outer wall of the protective piece, two fourth tilted guide plates mounted on two sides of the third air outlet respectively, and a fifth drain hole defined on a bottom of the case. 
     
     
         8 . The ventilation device for the building as claimed in  claim 1 , wherein the seventh ventilation system includes an eighth cover and a ninth cover which are both arranged on a fourth air outlet, a seventh discharge orifice defined between two tops of the eighth cover and the ninth cover, a fourth conduct extension disposed on a center of the seventh discharge orifice, multiple sixth stop sheets arranged beside the fourth conduct extension, a fifth tilted guide plate below the fourth conduct extension, multiple third splashback sheets arranged above the fifth tilted guide plate, a defining plate extending upward from a side of the fifth tilted guide plate proximate to the multiple third splashback sheets, and one of the multiple fourth drain holes is formed on a connection portion of the fifth tilted guide plate and the defining plate, wherein the seventh ventilation system includes a blocking sheet defined among the multiple sixth stop sheets, the defining plate and the multiple third splashback sheets, a second auxiliary guide plate located below the fifth tilted guide plate, a sixth tilted guide plate arranged below the second auxiliary guide plate, and an eighth discharge orifice formed on a connection portion of a bottom of the ninth cover and the sixth tilted guide plate. 
     
     
         9 . The ventilation device for the building as claimed in  claim 1 , wherein the eighth ventilation system is secured on the bottom chord by ways of the sixth ventilation system, and the eighth ventilation system includes a beveled wind plate and a shield, wherein the shield is mounted on the fourth air outlet and is connected with an air inlet of the sixth ventilation system, and the beveled wind plate is connected on the sixth discharge orifice of the sixth ventilation system. 
     
     
         10 . The ventilation device for the building as claimed in  claim 9 , wherein the beveled wind plate has multiple wings.