Piston-Based Pressure Reduction Structure Used for Water-Cooling Radiator, and Water-Cooling Radiator

Abstract

The invention relates to the technical field of heat dissipation, in particular to a piston-based pressure reduction structure used for a water-cooling radiator, and a water-cooling radiator. By adoption of the piston-based pressure reduction structure used for a water-cooling radiator, and the water-cooling radiator, the problem of liquid leakage caused by an excessively high pressure in existing water-cooling radiators is solved.

What is claimed is: 
     
         1 . A piston-based pressure reduction structure used for a water-cooling radiator, comprising:
 a shell ( 11 ) and a piston structure ( 2 ), wherein the piston structure ( 2 ) is movably arranged in the shell ( 11 ); a pressure release hole ( 12 ) is formed in one end of the shell ( 11 ), and an inner cavity of the shell ( 11 ) is communicated with cooling liquid in a water-cooling radiator via the pressure release hole ( 12 );   a vent hole ( 13 ) communicated with an external atmosphere is formed in another end of the shell ( 11 );   a side wall of the piston structure ( 2 ) is tightly attached to an inner wall of the shell ( 11 ) and is slidably connected to the inner wall of the shell ( 11 ); and the piston structure ( 2 ) is used for isolating the vent hole ( 13 ) from the pressure release hole ( 12 ).   
     
     
         2 . The piston-based pressure reduction structure used for a water-cooling radiator according to  claim 1 , wherein the shell ( 11 ) is in the shape of a cylindrical tube, an elliptical tube, a rectangular tube, a square tube, a polygonal tube or a special-shaped tube;
 the piston-based pressure reduction structure further comprises a piston limiting part ( 14 ) connected with an end, away from the pressure release hole ( 12 ), of the shell ( 11 ); and the vent hole ( 13 ) is formed in an end face of the piston limiting part ( 14 ).   
     
     
         3 . The piston-based pressure reduction structure used for a water-cooling radiator according to  claim 1 , wherein the piston structure ( 2 ) is a integrated piston or a split-type piston, the split-type piston comprises a piston body ( 21 ) and a plurality of piston rings ( 22 ), a plurality of ends ( 23 ) are arranged on a side wall of the piston body ( 21 ), and each said piston ring ( 22 ) is located between the two corresponding adjacent ends ( 23 ). 
     
     
         4 . A water-cooling radiator, comprising:
 a water cooler ( 3 ), a water block ( 4 ) and a water pump, wherein the water cooler ( 3 ) is communicated with the water block ( 4 );   cooling liquid in the water-cooling radiator absorbs heat via the water block ( 4 ), and the cooling liquid delivered into the water cooler ( 3 ) by the water pump;   the cooling liquid in the water-cooling radiator flows through the water cooler ( 3 ) to be cooled;   the water-cooling radiator further comprises a piston-based pressure reduction structure ( 1 ), and the piston-based pressure reduction structure ( 1 ) comprises:   a shell ( 11 ) and a piston structure ( 2 ), wherein the piston structure ( 2 ) is movably arranged in the shell ( 11 ); a pressure release hole ( 12 ) is formed in one end of the shell ( 11 ), and an inner cavity of the shell ( 11 ) is communicated with the cooling liquid in the water-cooling radiator via the pressure release hole ( 12 );   a vent hole ( 13 ) communicated with an external atmosphere is formed in another end of the shell ( 11 );   a side wall of the piston structure ( 2 ) is tightly attached to an inner wall of the shell ( 11 ) and is slidably connected to the inner wall of the shell ( 11 ); and the piston structure ( 2 ) is used for isolating the vent hole ( 13 ) from the pressure release hole ( 12 ).   
     
     
         5 . The water-cooling radiator according to  claim 4 , wherein the water cooler ( 3 ) comprises a water cooler body ( 31 ) and a water chamber ( 32 ) communicated with the water cooler body ( 31 ), the shell ( 11 ) is arranged in the water chamber ( 32 ), and the inner cavity of the shell ( 11 ) is communicated with the water chamber ( 32 ) via the pressure release hole ( 12 ). 
     
     
         6 . The water-cooling radiator according to  claim 4 , wherein the shell ( 11 ) is connected into the water block ( 4 ) or is integrally formed in the water block ( 4 ), and the cooling liquid in the water block ( 4 ) flows through the inner cavity of the shell ( 11 ) via the pressure release hole ( 12 ). 
     
     
         7 . The water-cooling radiator according to  claim 4 , wherein the shell ( 11 ) and the water cooler ( 3 ) are connected or are integrally formed, and the cooling liquid in the water cooler ( 3 ) flows through the inner cavity of the shell ( 11 ) via the pressure release hole ( 12 ). 
     
     
         8 . The water-cooling radiator according to  claim 4 , wherein the water cooler ( 3 ) is provided with a first water channel ( 33 ) communicated with an interior of the water cooler ( 3 ), and an end, close to the pressure release hole ( 12 ), of the shell ( 11 ) is communicated with the first water channel ( 33 ); and the cooling liquid in the water cooler ( 3 ) flows through the inner cavity of the shell ( 11 ) via the pressure release hole ( 12 ) and the first water channel ( 33 ). 
     
     
         9 . The water-cooling radiator according to  claim 4 , wherein the water block ( 4 ) is provided with a second water channel ( 34 ) communicated with an interior of the water block ( 4 ), and an end, close to the pressure release hole ( 12 ), of the shell ( 11 ) is communicated with the second water channel ( 34 ); and the cooling liquid in the water block ( 4 ) flows through the inner cavity of the shell ( 11 ) via the pressure release hole ( 12 ) and the second water channel ( 34 ). 
     
     
         10 . The water-cooling radiator according to  claim 4 , wherein the water block ( 4 ) and the water cooler ( 3 ) are communicated via a first hose ( 35 ) and a second hose ( 36 ) which are located therebetween, an end, close to the pressure release hole ( 12 ), of the shell ( 11 ) is communicated with the first hose ( 35 ) or the second hose ( 36 ), and the cooling liquid in the first hose ( 35 ) or the second hose ( 36 ) flows through the inner cavity of the shell ( 11 ) via the pressure release hole ( 12 ).