Manifold, heat exchange apparatus and manifold manufacturing method

Abstract

The present disclosure discloses a manifold, a heat exchange apparatus and a manifold manufacturing method, wherein a flow section of the manifold includes at least one linear side, the linear side being formed by a clamping plate, and another side being formed by a first tube member; sidewalls of the first tube member are provided in a direction parallel to a central axis with a first opening for mounting the clamping plate; a first clamping slot and a second clamping slot are respectively provided at two sides in the first tube member near the first opening; the clamping plate is a linear flat plate structure, and two sides thereof are respectively located inside the first clamping slot and the second clamping slot. An effective flow area inside the manifold can be increased by the structural configuration described above, reducing a decrease in pressure of refrigerant after passing through the manifold.

What is claimed is: 
     
         1 . A manifold, wherein a flow section of the manifold comprises at least one linear side, the linear side being formed by a clamping plate, and another side being formed by a first tube member; sidewalls of the first tube member are provided in a direction parallel to a central axis with a first opening for mounting the clamping plate; in the first tube member, a first clamping slot is provided on an inner surface near a first edge of the first opening, and the second clamping slot is provided on an inner surface near a second edge of the first opening;
 the clamping plate is a linear flat plate structure, and two sides thereof are respectively located inside the first clamping slot and the second clamping slot.   
     
     
         2 . The manifold according to  claim 1 , wherein the second edge is provided with a first guiding inclined face, one end of the first guiding inclined face being connected to the second clamping slot, and another end extending toward a region outside the first opening away from the second clamping slot and away from the first clamping slot. 
     
     
         3 . The manifold according to  claim 1 , wherein inner and outer surfaces of the first tube member are all free of solder composite layers;
 and/or at least one side face of the clamping plate has a solder composite layer.   
     
     
         4 . The manifold according to  claim 1 , wherein the first tube member comprises a first sidewall, a second sidewall and a third sidewall that are connected in sequence, the first sidewall being parallel to the third sidewall, and the second sidewall being parallel to the clamping plate; moreover,
 an inner side of one end of the first sidewall that is remote from the second sidewall is provided with the first clamping slot, the first clamping slot extending parallel to the central axis of the first tube member, and being capable of connecting to a first side of the clamping plate by insertion;   one end of the third sidewall that is remote from the second sidewall is provided with the second clamping slot, the second clamping slot extending parallel to the central axis of the first tube member, and being capable of connecting to a second side of the clamping plate by insertion.   
     
     
         5 . The manifold according to  claim 4 , wherein
 a first snap-fitting face of the first clamping slot near the second sidewall protrudes relative to an inner side face of the first sidewall to form a first stop part;   and/or   a third snap-fitting face of the second clamping slot near the second sidewall protrudes relative to an inner side face of the third sidewall to form a second stop part.   
     
     
         6 . The manifold according to  claim 2 , wherein the first edge is provided with a second guiding inclined face, one end of the second guiding inclined face being connected to the first clamping slot, and another end extending toward a region outside the first opening away from the first clamping slot and away from the second clamping slot. 
     
     
         7 . The manifold according to  claim 4 , wherein
 a main body thickness of the first sidewall is t, a depth of the first clamping slot is h, and a distance between a second snap-fitting face of the first clamping slot remote from the second sidewall and the second sidewall is L, wherein 0.02×L/t<h<0.1×L/t;   and/or   a main body thickness of the third sidewall is t, a depth of the second clamping slot is h, and a distance between a fourth snap-fitting face of the second clamping slot remote from the second sidewall and the second sidewall is L, wherein 0.02×L/t<h<0.1×L/t.   
     
     
         8 . The manifold according to  claim 1 , wherein the clamping plate is provided in a direction perpendicular to the central axis of the first tube member with multiple second openings for end parts of a heat exchange tube to pass through; moreover, an inner side face and/or an outer side face of the clamping plate is provided with a boss that surrounds the second opening. 
     
     
         9 . The manifold according to  claim 1 , wherein further comprising an annular end cover, the annular end cover being mounted on an end part of the manifold. 
     
     
         10 . The manifold according to  claim 9 , wherein the annular end cover comprises:
 an insertion part, the insertion part being inserted in an end part tube opening of the manifold, and being soldered to an inner wall of the manifold.   
     
     
         11 . The manifold according to  claim 10 , wherein the annular end cover further comprises a rim part, the rim part being located on a radial outer side of the insertion part, and being located outside the end part tube opening of the manifold and axially limited with the end part of the manifold. 
     
     
         12 . The manifold according to  claim 9 , wherein a surface of the annular end cover has a solder composite layer. 
     
     
         13 . A heat exchange apparatus, wherein comprising:
 the manifold according to  claim 1 ; and   multiple heat exchange tubes that are arranged side by side, wherein two ends of each of the heat exchange tubes respectively pass through a clamping plate of the manifold and extend into the manifold.   
     
     
         14 . A manifold manufacturing method, being used for assembling a first tube member and a clamping plate to form the manifold according to  claim 1 , the manifold manufacturing method comprising:
 step S1: inserting a first side of the clamping plate into the first clamping slot of the first edge of the first opening of the manifold, the second side of the clamping plate being located outside the second clamping slot of the second edge of the first opening and abutting the second edge; and   step S2: pressing the clamping plate to squeeze the second edge, to cause the first tube member to elastically deform, enlarging the first opening at the sidewall of the first tube member, until the second side of the clamping plate slides into the second clamping slot.   
     
     
         15 . The manifold manufacturing method according to  claim 14 , wherein the second edge is provided with a first guiding inclined face, one end of the first guiding inclined face being connected to the second clamping slot, and another end extending toward a region outside the first opening away from the second clamping slot and away from the first clamping slot;
 in step S1: the second side of the clamping plate abuts the first guiding inclined face; and   in step S2: when pressing the clamping plate to squeeze the second edge, the clamping plate slides along the first guiding inclined face into the second clamping slot.