Free Cooling System Apparatus and Communication Equipment

Abstract

A free cooling system apparatus applied to communication equipment includes: an air intake apparatus that is disposed at an air intake of the communication equipment, where the air intake apparatus includes an air intake duct, where the air intake duct has an opening below the air intake of the communication equipment to allow an airflow to enter the air intake duct through the opening, and a filtering module is disposed inside the air intake duct; and the filtering module includes a substrate and grass-like fibers, where the substrate is attached to a sidewall of the air intake duct, roots of the grass-like fibers are fixed onto the substrate, and tips of the grass-like fibers are suspended inside the air intake duct of the air intake apparatus and are transversely placed in the air intake duct along a direction of a cross section of the air intake duct.

What is claimed is: 
     
         1 . A free cooling system apparatus, applied to a communication equipment, comprising:
 an air intake apparatus that is disposed at an air intake of the communication equipment, wherein the air intake apparatus comprises an air intake duct that is disposed along a direction of gravity or at an acute angle against the direction of gravity, wherein the air intake duct has an opening below the air intake of the communication equipment to allow an airflow to enter the air intake duct through the opening; and   a filtering module that is disposed inside the air intake duct, wherein the filtering module comprises a substrate and grass-like fibers, wherein the substrate is attached to a sidewall of the air intake duct, wherein roots of the grass-like fibers are fixed onto the substrate, and wherein tips of the grass-like fibers are suspended inside the air intake duct of the air intake apparatus and are transversely placed in the air intake duct along a direction of a cross section of the air intake duct.   
     
     
         2 . The apparatus according to  claim 1 , wherein surfaces of the grass-like fibers comprise a dustproof treatment. 
     
     
         3 . The apparatus according to  claim 2 , wherein nanometer materials are disposed on the surfaces of the grass-like fibers, or wherein the grass-like fibers are entirely made of nanometer materials. 
     
     
         4 . The apparatus according to  claim 1 , wherein the grass-like fibers are in a column shape or a bar shape with a length being greater than 10 millimeters (mm) and a diameter being greater than 1 mm. 
     
     
         5 . The apparatus according to  claim 1 , wherein the air intake apparatus further comprises a connection duct, wherein two ends of the connection duct are connected to the air intake duct and the air intake of the communication equipment respectively, and wherein an intake fan is disposed in the connection duct. 
     
     
         6 . The apparatus according to  claim 1 , further comprising an air exhaust apparatus, wherein the air exhaust apparatus comprises an air exhaust duct connected to an air exhaust of the communication equipment and an exhaust fan disposed inside the air exhaust duct. 
     
     
         7 . A communication equipment, comprising:
 an enclosure;   an equipment body disposed inside the enclosure; and   a free cooling system apparatus disposed outside the enclosure,   wherein the enclosure has an air intake and an air exhaust,   wherein the free cooling system apparatus has an air intake apparatus and a filtering module,   wherein the air intake apparatus of the free cooling system apparatus is disposed at the air intake of the enclosure,   wherein the air intake apparatus comprises an air intake duct that is disposed along a direction of gravity or at an acute angle against the direction of gravity,   wherein the air intake duct has an opening below the air intake of the enclosure to allow an airflow to enter the air intake duct through the opening,   wherein the filtering module is disposed inside the air intake duct,   wherein the filtering module comprises a substrate and grass-like fibers,   wherein the substrate is attached to a sidewall of the air intake duct,   wherein roots of the grass-like fibers are fixed onto the substrate, and   wherein tips of the grass-like fibers are suspended inside the air intake duct and are transversely placed in the air intake duct along a direction of a cross section of the air intake duct.   
     
     
         8 . The communication equipment according to  claim 7 , wherein the free cooling system apparatus and the enclosure form an integrated structure. 
     
     
         9 . The communication equipment according to  claim 7 , wherein surfaces of the grass-like fibers comprise a dustproof treatment. 
     
     
         10 . The communication equipment according to  claim 9 , wherein nanometer materials are disposed on the surfaces of the grass-like fibers, or wherein the grass-like fibers are entirely made of nanometer materials. 
     
     
         11 . The communication equipment according to  claim 7 , wherein the grass-like fibers are in a column shape or a bar shape with a length being greater than 10 millimeters (mm) and a diameter being greater than 1 mm. 
     
     
         12 . The communication equipment according to  claim 7 , wherein the air intake apparatus further comprises a connection duct, wherein two ends of the connection duct are connected to the air intake duct and the air intake of the communication equipment respectively, and wherein an intake fan is disposed in the connection duct. 
     
     
         13 . The communication equipment according to  claim 7 , further comprising an air exhaust apparatus, wherein the air exhaust apparatus comprises an air exhaust duct connected to an air exhaust of the communication equipment and an exhaust fan disposed inside the air exhaust duct. 
     
     
         14 . The communication equipment according to  claim 7 , wherein the grass-like fibers comprise polypropylene. 
     
     
         15 . The communication equipment according to  claim 7 , wherein the grass-like fibers comprise polyvinyl chloride. 
     
     
         16 . The communication equipment according to  claim 7 , wherein the grass-like fibers comprise polyamide. 
     
     
         17 . The communication equipment according to  claim 7 , wherein the substrate comprises a mesh cloth. 
     
     
         18 . The communication equipment according to  claim 7 , wherein the substrate comprises a woven cloth. 
     
     
         19 . The communication equipment according to  claim 7 , wherein the substrate comprises a composite fiber cloth. 
     
     
         20 . The communication equipment according to  claim 7 , wherein the roots of the grass-like fibers are fixed onto the substrate using glue.