Bent heat exchanger

Abstract

A bent heat exchanger including a first header and a second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first and second header; and fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, in which a thickness of the fin is FT, a larger one of outer diameters of the first header and the second header is OD, a larger one of wall thicknesses of the first header and the second header is T, a width of the flat tube is W, an arc radius of the fin is FR, and a height of the fin is FH, in which 0.01≦(100 ×FT×FR×T)/(FH×OD)≦9.

1 . A bent heat exchanger, comprising:
 a first header and a second header, each of the first header and the second header comprising at least one bent segment and a straight segment adjoining the bent segment, the bent segment of the first header being corresponding to the bent segment of the second header;   a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first header and the second header; and   fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, and comprising flat-straight segments and arc segments, each arc segment being connected between adjacent flat-straight segments,   wherein a thickness of the fin is denoted as FT, the first header and the second header have different outer diameters, in which a larger one of the outer diameters of the first header and the second header is denoted as OD, the first header and the second header have different wall thicknesses, in which a larger one of the wall thicknesses of the first header and the second header is denoted as T, a width of the flat tube is denoted as W, an arc radius of the fin is denoted as FR, and a height of the fin is denoted as FH, and wherein 0.01≦(100×FT×FR×T)/(FH×OD)≦9.   
     
     
         2 . A bent heat exchanger comprising:
 a first header and a second header, each of the first header and the second header comprising at least one bent segment and a straight segment adjoining the bent segment, the bent segment of the first header being corresponding to the bent segment of the second header;   a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first header and the second header; and   fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, and comprising flat-straight segments and arc segments, each arc segment being connected between adjacent flat-straight segments,   wherein a thickness of the fin is denoted as FT, the first header and the second header have an equal outer diameter and both outer diameters of the first header and the second header are donated as OD, the first header and the second header have an equal wall thickness and both wall thicknesses of the first header and the second header are donated as T, a width of the flat tube is denoted as W, an arc radius of the fin is denoted as FR, and a height of the fin is denoted as FH, and wherein 0.01≦(100×FT×FR×T)/(FH×OD)≦9.   
     
     
         3 . The bent heat exchanger according to  claim 1 , wherein 0.0004≦(FT×FR)/(FH×OD)≦0.59. 
     
     
         4 . The bent heat exchanger according to  claim 1 , wherein 0.02≦(FT×FR)/FH≦6. 
     
     
         5 . The bent heat exchanger according to  claim 4 , wherein 0.002≦FT/FH≦0.04. 
     
     
         6 . The bent heat exchanger according to  claim 4 , wherein 0.0061≦FR/FH≦0.6. 
     
     
         7 . The bent heat exchanger according to  claim 1 , wherein 0.04≦T/OD≦0.25. 
     
     
         8 . The bent heat exchanger according to  claim 3 , wherein 0.0005≦FT/OD≦0.015. 
     
     
         9 . The bent heat exchanger according to  claim 3 , wherein 0.0016≦FR/OD≦0.4. 
     
     
         10 . The bent heat exchanger according to  claim 3 , wherein 0.05≦FH/OD≦2. 
     
     
         11 . The bent heat exchanger according to  claim 1 , wherein the bent heat exchanger can define a C-shape or L-shape. 
     
     
         12 . The bent heat exchanger according to  claim 2 , wherein 0.0004≦(FT×FR)/(FH×OD)≦0.59. 
     
     
         13 . The bent heat exchanger according to  claim 2 , wherein 0.02≦(FT×FR)/FH≦6. 
     
     
         14 . The bent heat exchanger according to  claim 13 , wherein 0.002≦FT/FH≦0.04. 
     
     
         15 . The bent heat exchanger according to  claim 13 , wherein 0.0061≦FR/FH≦0.6. 
     
     
         16 . The bent heat exchanger according to  claim 2 , wherein 0.04≦T/OD≦0.25. 
     
     
         17 . The bent heat exchanger according to  claim 12 , wherein 0.0005≦FT/OD≦0.015. 
     
     
         18 . The bent heat exchanger according to  claim 12 , wherein 0.0016≦FR/OD≦0.4. 
     
     
         19 . The bent heat exchanger according to  claim 12 , wherein 0.05≦FH/OD≦2. 
     
     
         20 . The bent heat exchanger according to  claim 2 , wherein the bent heat exchanger can define a C-shape or L-shape.