Exhaust device

Abstract

An exhaust device includes a housing including an intake port and a plurality of exhaust ports, a guide means provided inside the housing and configured to guide air introduced into the housing through the intake port, and an exhaust means directly or indirectly connected to the plurality of exhaust ports. The plurality of exhaust ports include a first exhaust port located at a position corresponding to the center of the intake port and a plurality of second exhaust ports distributed in a rear wall of the housing while being spaced apart from the first exhaust port by an interval. The guide means includes a plurality of guide plates arranged between a front wall and the rear wall of the housing.

1 . An exhaust device comprising:
 a housing comprising a front wall having an intake port formed therein and a rear wall facing the front wall and having a plurality of exhaust ports formed therein;   a guide means provided inside the housing and configured to guide air introduced into the housing through the intake port; and   an exhaust means directly or indirectly connected to the plurality of exhaust ports and configured to discharge air introduced into the housing to outside of the housing through the plurality of exhaust ports,   wherein the plurality of exhaust ports comprise a first exhaust port located at a position corresponding to a center of the intake port and a plurality of second exhaust ports distributed in the rear wall of the housing while being spaced apart from the first exhaust port by an interval,   the guide means comprises a plurality of guide plates located between the front wall and the rear wall of the housing, spaced apart from each other by an interval in a direction of a central axis of the intake port, and arranged parallel to the front wall,   the plurality of guide plates are concentrically arranged around the central axis of the intake port and each of the plurality of guide plates has a ring shape or an arc shape, and   inner radii of the plurality of guide plates are less than an inner radius of the intake port, are greater than an inner radius of the first exhaust port, and gradually decrease from the intake port toward the first exhaust port.   
     
     
         2 . The exhaust device of  claim 1 , wherein outer radii of the plurality of guide plates gradually decrease from the intake port toward the first exhaust port, and an outer radius of a guide plate closest to the front wall of the housing from among the plurality of guide plates is greater than the inner radius of the intake port. 
     
     
         3 . The exhaust device of  claim 1 , wherein the plurality of guide plates are fixedly arranged inside the housing by being fixed to a side wall or the rear wall of the housing. 
     
     
         4 . The exhaust device of  claim 3 , wherein each of the plurality of guide plates comprises lugs for fixing and is fixed to the side wall or the rear wall of the housing through the lugs. 
     
     
         5 . The exhaust device of  claim 1 , wherein the housing has a rectangular parallelepiped shape or a cylindrical shape. 
     
     
         6 . The exhaust device of  claim 1 , further comprising an exhaust box coupled to a rear side of the housing and surrounding the plurality of exhaust ports together, wherein at least one common exhaust port is formed in a rear wall of the exhaust box to discharge air introduced into the exhaust box through the plurality of exhaust ports to outside, and at least one exhaust pipe is connected as the exhaust means to the at least one common exhaust port. 
     
     
         7 . The exhaust device of  claim 1 , further comprising
 an exhaust box coupled to a rear side of the housing and surrounding the plurality of exhaust ports together, wherein the exhaust box has a height lower than a height of the housing, wherein at least one common exhaust port is formed in a side wall of the exhaust box forming a stepped portion with a corresponding side wall of the housing to discharge air introduced into the exhaust box through the plurality of exhaust ports to outside, and at least one exhaust fan is provided as the exhaust means in the at least one common exhaust port, and   at least one additional exhaust port is formed in the side wall of the housing corresponding to the side wall of the exhaust box in which the common exhaust port is formed to discharge part of air introduced into the housing to outside, and at least one exhaust fan is provided in the at least one additional exhaust port.   
     
     
         8 . The exhaust device of  claim 1 , further comprising an exhaust box coupled to a rear side of the housing and surrounding the plurality of exhaust ports together, wherein a height of the exhaust box is equal to a height of the housing, wherein at least one integrated exhaust port is formed across the housing and the exhaust box, in one side wall from among side walls of the exhaust box and in a side wall of the housing corresponding to the one side wall, at least one exhaust fan is provided in the at least one integrated exhaust port, and air introduced into the housing and the exhaust box is discharged to outside of the housing and the exhaust box through the at least one integrated exhaust port. 
     
     
         9 . The exhaust device of  claim 1 , wherein the intake port has a circular shape, and the plurality of guide plates have ring shapes with widths in a radial direction. 
     
     
         10 . The exhaust device of  claim 9 , wherein each of the plurality of guide plates is divided into a plurality of arc-shaped members, and the plurality of arc-shaped members of each of the plurality of guide plates are arranged together in a ring shape inside the housing. 
     
     
         11 . The exhaust device of  claim 1 , wherein the intake port has a substantially semicircular shape, and the plurality of guide plates have arc shapes with widths in a radial direction. 
     
     
         12 . The exhaust device of  claim 11 , further comprising an auxiliary guide plate extending parallel to the central axis from the rear wall toward the front wall of the housing from a position adjacent to an edge of the first exhaust port. 
     
     
         13 . The exhaust device of  claim 12 , wherein the auxiliary guide plate has a width that is greater than a diameter of the first exhaust port but does not interfere with a guide plate closest to the rear wall of the housing from among the plurality of guide plates. 
     
     
         14 . The exhaust device of  claim 11 , further comprising side guide plates vertically extending from both edges of the auxiliary guide plate to a bottom of the housing. 
     
     
         15 . The exhaust device of  claim 14 , wherein the auxiliary guide plate is spaced apart from the front wall of the housing by a certain interval, and at least one front guide plate is located within an interval between a front end of the auxiliary guide plate and the front wall of the housing,
 wherein the at least one front guide plate is spaced apart from the front end of the auxiliary guide plate and the front wall of the housing, has a width in a direction perpendicular to the bottom of the housing, is arranged parallel to the front wall of the housing between the side guide plates, and has both longitudinal ends of the front guide plate fixed to the side guide plates.   
     
     
         16 . The exhaust device of  claim 15 , wherein the at least one front guide plate comprises a plurality of front guide plates arranged parallel to each other while being spaced apart from each other by an interval, and the plurality of front guide plates are arranged so that heights of upper ends of the plurality of front guide plates are greater as the plurality of front guide plates are located farther from the front wall of the housing. 
     
     
         17 . The exhaust device of  claim 12 , further comprising side guide plates vertically extending upward from both edges of the auxiliary guide plate. 
     
     
         18 . The exhaust device of  claim 17 , wherein the auxiliary guide plate is spaced apart from the front wall of the housing by a certain interval, and a front guide plate vertically extending upward from a front end of the auxiliary guide plate is located on the front end of the auxiliary guide plate,
 wherein the front guide plate is arranged parallel to the front wall of the housing while being spaced apart from the front wall of the housing by an interval.   
     
     
         19 . The exhaust device of  claim 18 , wherein the side guide plates extend from the rear wall of the housing to the front wall of the housing, and the front guide plate is arranged between the side guide plates.