Distribution pipe assembly for heat exchanger, header assembly having same, and heat exchanger

Abstract

A distribution pipe assembly (1) for a heat exchanger (100), a header assembly (20) having the distribution pipe assembly (1), and a heat exchanger (100). The distribution pipe assembly (1) includes a first distribution pipe, the first distribution pipe comprising: a main wall (10) extending in a first direction (D1) serving as an axial direction, and having a first side (11) in a second direction (D2) perpendicular to the first direction (D1), and a second side (12) in the second direction (D2) opposite the first side (11); and a protruding wall (3) protruding, in the second direction (D2), from the main wall (10). The distribution pipe assembly (1) and the heat exchanger (100) improve heat exchange performance of the heat exchanger (100).

What is claimed is: 
     
         1 - 25 . (canceled) 
     
     
         26 . A distribution pipe assembly for a heat exchanger, comprising:
 a first distribution pipe,   wherein the first distribution pipe comprises:   a main body wall part, extending in a first direction that is an axial direction, and having a first side in a second direction perpendicular to the first direction and a second side in the second direction, the second side being opposite the first side; and   a protruding wall part that protrudes from the main body wall part in the second direction,   the protruding wall part protruding in the second direction from the first side of the main body wall part.   
     
     
         27 . The distribution pipe assembly for a heat exchanger as claimed in  claim 26 , wherein the first distribution pipe further comprises:
 a distribution hole, formed in the protruding wall part and configured to distribute a refrigerant.   
     
     
         28 . The distribution pipe assembly for a heat exchanger as claimed in  claim 27 , wherein:
 the protruding wall part has a side wall part facing in a third direction perpendicular to the first direction and second direction.   
     
     
         29 . The distribution pipe assembly for a heat exchanger as claimed in  claim 28 , wherein:
 the distribution hole is formed in the side wall part, or a gap between two said side wall parts forms the distribution hole, the gap being at the second side of the main body wall part in the second direction.   
     
     
         30 . The distribution pipe assembly for a heat exchanger as claimed in  claim 26 , wherein:
 the main body wall part has a surface at the second side; and   the distribution pipe assembly further comprises two protrusions protruding outward in the second direction from the surface at the second side of the main body wall part, the two protrusions being formed on two edges, in a third direction perpendicular to the first direction and second direction, of the flat surface respectively.   
     
     
         31 . The distribution pipe assembly for a heat exchanger as claimed in  claim 26 , wherein:
 the main body wall part has a corrugated wall part at the second side, the corrugated wall part having crests that protrude outward in the second direction, the tops of the crests substantially being in the same plane; or   the main body wall part has a corrugated wall part at the second side, the corrugated wall part having crests that protrude outward in the second direction, and the height of the top of the crest at one side of the corrugated wall part in the third direction is less than the height of the top of the crest at the other side of the corrugated wall part in the third direction.   
     
     
         32 . The distribution pipe assembly for a heat exchanger as claimed in  claim 26 , wherein:
 the protruding wall part protrudes outward in the second direction from the first side of the main body wall part; and   the main body wall part defines a first cavity part, the protruding wall part defines a second cavity part, and the first cavity part is in communication with the second cavity part.   
     
     
         33 . The distribution pipe assembly for a heat exchanger as claimed in  claim 26 , wherein:
 the protruding wall part protrudes inward in the second direction from the first side of the main body wall part, and forms a recess in the main body wall part.   
     
     
         34 . The distribution pipe assembly for a heat exchanger as claimed in  claim 33 , wherein:
 a first connection point of the protruding wall part and the main body wall part at one side in a third direction perpendicular to the first direction and second direction, and a second connection point of the protruding wall part and the main body wall part at the other side in the third direction, are located at different positions in the second direction.   
     
     
         35 . The distribution pipe assembly for a heat exchanger as claimed in  claim 33 , wherein:
 the protruding wall part has a first edge part at a first side in the second direction, and has a second edge part at a second side in the second direction, the second side being opposite the first side;   the main body wall part has a first edge part and a second edge part at the first side in the second direction, and the second edge part is closer, in the second direction, to the second side of the main body wall part in the second direction than the first edge part is; and   the first edge part of the main body wall part is connected to the first edge part of the protruding wall part, and the second edge part of the main body wall part is connected to the second edge part of the protruding wall part.   
     
     
         36 . The distribution pipe assembly for a heat exchanger as claimed in  claim 35 , wherein the first distribution pipe further comprises:
 an extension part extending inward from the second edge part of the main body wall part in a third direction perpendicular to the first direction and second direction.   
     
     
         37 . The distribution pipe assembly for a heat exchanger as claimed in  claim 26 , wherein:
 the protruding wall part has the shape of a long strip and extends substantially in the first direction.   
     
     
         38 . The distribution pipe assembly for a heat exchanger as claimed in  claim 26 , further comprising:
 a second distribution pipe, the second distribution pipe being inserted in the first distribution pipe and having a distribution hole.   
     
     
         39 . The distribution pipe assembly for a heat exchanger as claimed in  claim 32 , wherein:
 the volume of the second cavity part is 1%-30% of the sum of the volume of the first cavity part and the volume of the second cavity part.   
     
     
         40 . A header assembly, comprising:
 a header; and   the distribution pipe assembly as claimed in  claim 26 , disposed in the header.   
     
     
         41 . The header assembly as claimed in  claim 40 , wherein:
 the header comprises an end cap,   the header assembly further comprising:   a first connecting part disposed on an end of the first distribution pipe or the distribution pipe assembly; and   a second connecting part disposed on the end cap of the header, the first connecting part being connected to the second connecting part so as to fix the distribution pipe assembly in the header.   
     
     
         42 . The header assembly as claimed in  claim 41 , wherein:
 the first connecting part disposed on the end of the first distribution pipe or the distribution pipe assembly is a protrusion;   the second connecting part disposed on the end cap of the header is an opening or slot, and the protrusion is inserted into the opening or slot.   
     
     
         43 . The header assembly as claimed in  claim 42 , wherein:
 the protrusion protrudes from an end of the protruding wall part.   
     
     
         44 . A heat exchanger, comprising:
 a header; and   the distribution pipe assembly as claimed in  claim 26 , disposed in the header.