Refrigerant distribution device for refrigeration system

Abstract

The invention provides a refrigerant distribution device for refrigeration system which is capable of improving heat exchange efficiency, comprising: an entering duct, a bottom cover plate, a core, a hollow cylinder, an upper cover plate and multi-branch ducts. The core is disposed in the space formed by the bottom cover plate, the cylinder and the upper cover plate, wherein a plurality of openings are distributed on the core. The refrigerant distribution device according to the invention is capable of realizing uniform distribution and allocation of refrigerant in refrigeration system, and improving heat exchange efficiency of the refrigeration system.

1 . A refrigerant distribution device for a refrigeration system, characterized in that said refrigerant distribution device comprising: an entering duct a bottom cover plate, a core, a hollow cylinder, an upper cover plate and multi-branch ducts, said core disposed in the space formed by said bottom cover plate, said cylinder and said upper cover plate,
 wherein a plurality of openings are distributed on said core.   
     
     
         2 . The refrigerant distribution device of  claim 1 , characterized in that said upper cover plate having a centrosymmetric shape, and on the center of the upper cover plate disposed an upper cover plate protuberance protuberating toward said multi-branch ducts. 
     
     
         3 . The refrigerant distribution device of  claim 2 , characterized in that said upper cover plate having a circular or semi-ellipsoidal shape. 
     
     
         4 . The refrigerant distribution device of  claim 1 , characterized in that said upper cover plate and said cylinder are integrated. 
     
     
         5 . The refrigerant distribution device of  claim 1 , characterized in that the side that said entering duct connects said bottom cover plate having an invaginated port, whose cross section contour being any of hyperbola, parabola or straight line. 
     
     
         6 . The refrigerant distribution device of  claim 1 , characterized in that the inner wall of said entering duct provided with threads. 
     
     
         7 . The refrigerant distribution device of  claim 1 , characterized in that said core being a circular flat plate with centrosymmetric shape, a spherical crown protuberating to the cylinder provided at its center, said openings uniformly distributed around the spherical crown, equal scale gaps uniformly distributed at circumferential equal-angle of said core. 
     
     
         8 . The refrigerant distribution device of  claim 1 , characterized in that said openings being one or more of these kinds: circular openings, petal-shaped openings and/or square openings. 
     
     
         9 . The refrigerant distribution device of  claim 1 , characterized in that said core being a hollow cone-shaped cylinder, said cylinder connected to said bottom cover plate by supporting feet that disposed at the bottom of the cone, a narrow space (A) formed between said supporting feet. 
     
     
         10 . The refrigerant distribution device of  claim 1 , characterized in that along the refrigerant's flowing direction, said core successively comprising a cylindrical first cylinder with a larger section diameter, a connector and a cylindrical second cylinder with a smaller section diameter, said openings uniformly distributed on said first cylinder, said connector and said second cylinder. 
     
     
         11 . The refrigerant distribution device of  claim 10 , characterized in that said connector being annular flat plate or cone-shaped cylinder. 
     
     
         12 . The refrigerant distribution device of  claim 1 , characterized in that said core comprising a cylindrical cylinder, an ellipsoidal shell and an annular flat plate, said openings uniformly distributed on said cylindrical cylinder, said shell embedded within said cylindrical cylinder, said annular flat plate disposed in the middle of said cylindrical cylinder and surrounding said cylindrical cylinder, a plurality of gaps uniformly provided at the peripheral edge of said annular flat plate, supporting feet used to connect to said bottom cover plate provided at said shell. 
     
     
         13 . The refrigerant distribution device of  claim 1 , characterized in that said core being a spherical surface shell, said openings uniformly distributed on said shell, supporting feet used to connect to said bottom cover plate provided at the bottom of said shell. 
     
     
         14 . The refrigerant distribution device of  claim 13 , characterized in that a plurality of guiding blades uniformly distributed at the inner side of said shell.