Heat exchanging apparatus and manufacturing method therefor

Abstract

A heat exchange apparatus and a manufacturing method therefor are disclosed. The heat exchange apparatus comprises a valve core part and a core body part. The valve core part is provided with a valve base part. The valve seat part is at least partly arranged in a first conduit. The valve base part is provided with a base section with a bottom opening and a middle section with a peripheral opening. The valve base part is provided with a throttling hole. The throttling hole is in communication with the peripheral opening and the bottom opening. The middle section is arranged on a sheet part and the peripheral opening is in communication with inter-sheets channels. The heat exchanging apparatus comprising a connecting element. The connecting element is at least partly inserted into the first conduit. The bottom opening is in communication with a connecting cavity.

What is claimed is: 
     
         1 . A heat exchange apparatus, comprising a valve core member and a core body member, wherein the valve core member is arranged fixed to the core body member;
 the core body member comprises a sheet portion, the sheet portion comprises at least a first conduit, a second conduit and an inter-sheets passage, the first conduit, the inter-sheets passage and the second conduit are in communication;   the valve core member comprises a valve seat portion, the valve seat portion comprises a bottom section and a middle section, the bottom section comprises a bottom opening, the middle section comprises a peripheral opening, the valve seat portion comprises a throttle hole, the peripheral opening is in communication with the bottom opening through the throttle hole, the middle section and the bottom section are located in the first conduit, and the peripheral opening is in communication with the first conduit;   the heat exchange apparatus comprises a connecting member, the connecting member comprises a communication cavity, the connecting member comprises a first end portion, the first end portion of the connecting member is located in the first conduit, the bottom opening of the bottom section is in communication with the communication cavity; and   the core body member comprises a first side portion and a second side portion, at least part of the valve core member is located on a side where the first side portion is located, the heat exchange apparatus comprises a communication passage, the communication passage is located on a side where the second side portion is located, and the communication passage is in communication with the communication cavity.   
     
     
         2 . The heat exchange apparatus according to  claim 1 , wherein the middle section is closer to the first side portion than the bottom section along a stacking direction of the core body member, the bottom section is located in the connecting member, the connecting member comprises an annular wall portion, and the bottom section is arranged sealed to the annular wall portion; and
 when the valve core member is in an open state, the communication passage, the communication cavity, the bottom opening, the throttle hole, the peripheral opening, the first conduit, the inter-sheets passage and the second conduit are in communication.   
     
     
         3 . The heat exchange apparatus according to  claim 2 , wherein the connecting member comprise a valve seat matching portion, the valve seat matching portion comprises a flange portion, the flange portion is fixed to the core body member by welding; the middle section protrudes into the valve seat matching portion, a side hole corresponding to the peripheral opening is provided in the valve seat matching portion; the side hole is closer to the first side portion of the core body member than the annular wall portion along the stacking direction of sheets of the core body member; and
 a height of the annular wall portion is greater than a height of the bottom section.   
     
     
         4 . The heat exchange apparatus according to  claim 3 , wherein the connecting member comprises a drainage pipe, the valve seat matching portion comprises the annular wall portion, the bottom section comprises a first groove, a first sealing member of the heat exchange apparatus is located in the first groove, and the first sealing member is arranged abutting against the annular wall portion;
 the valve seat matching portion comprises a bottom end portion, the drainage pipe is fixed to the bottom end portion by welding, and at least part of the drainage pipe protrudes into the valve seat matching portion;   the drainage pipe comprises an external expansion portion, the valve seat matching portion is closer to the bottom section than the external expansion portion along the stacking direction of the core body member and the external expansion portion is matched with the bottom end portion of the valve seat matching portion to be limited.   
     
     
         5 . The heat exchange apparatus according to  claim 3 , wherein the sheet portion comprises a first sheet and a second plate, the first sheet is fixed to the second sheet by welding, and a top or a bottom of the flange portion is fixed to the first sheet by welding; or the top or the bottom of the flange portion is fixed to the second sheet by welding;
 and/or the core body member comprises a top pressing block, and the flange portion is fixed to the top pressing block by welding.   
     
     
         6 . The heat exchange apparatus according to  claim 2 , wherein the middle section is located below the connecting member providing that a side of the core body member is arranged with the valve core member is taken as an upper side;
 the connecting member comprises a drainage pipe, the bottom section comprises a first groove and a second groove, a first sealing member of the heat exchange apparatus is located in the first groove, the first sealing member is arranged abutting against the annular wall portion, the first groove is closer to the peripheral opening than the annular wall portion along an extending direction of the first conduit; the first sealing member of the heat exchange apparatus is accommodated in the first groove; the second groove is closer to the peripheral opening than the first groove; the connecting member comprises a limiting groove, the limiting groove is arranged opposite to the second groove in position; the heat exchange apparatus comprises a limiting member, and at least part of the limiting member is clamped into the second groove and the limiting groove;   or, the bottom section comprises a threaded portion, the connecting member comprises a valve seat matching portion and the drainage pipe, the valve seat matching portion comprises an internal threaded portion, the valve seat matching portion is threaded with the bottom section, at least part of the drainage pipe protrudes into the valve seat matching portion, and the drainage pipe is fixed to the valve seat matching portion by welding;   or, the connecting member comprises a second end portion, the bottom section protrudes into the first end portion, the bottom section comprises the first groove, the first sealing member of the connecting member is located in the first groove, and the first sealing member is arranged abutting against an inner periphery of the first end portion; the heat exchange apparatus comprises a bottom pressing block, the bottom pressing block is fixed to the sheet portion by welding, the bottom pressing block comprises a communication hole, the communication hole is in communication with the first conduit, the bottom pressing block comprises a protrusion, at least part of the protrusion protrudes into the first conduit, the second end portion of the connecting member is located in the bottom pressing block, and the second end portion is fixed to the bottom pressing block by welding.   
     
     
         7 . The heat exchange apparatus according to  claim 1 , wherein the connecting member comprises a drainage pipe, and the middle section is located above the connecting member providing that a side of the core body member arranged with the valve core member is taken as an upper side;
 the core body member comprises a third sheet and a fourth sheet, the third sheet is fixed to the fourth sheet by welding, the third sheet comprises a first annular protruding portion, the fourth sheet comprises a second annular protruding portion, the bottom section protrudes into the first annular protruding portion, the bottom section comprises a first groove, a first sealing member of the heat exchange apparatus is located in the first groove, and the first sealing member is arranged abutting against the first annular protruding portion;   the first end portion of the connecting member protrudes into the second annular protruding portion, and the second annular protruding portion is fixed to at least part of the first end portion by welding.   
     
     
         8 . The heat exchange apparatus according to  claim 7 , wherein a first hole is provided in the first annular protruding portion, the first hole is provided in the second annular protruding portion, the first conduit extends through the first annular protruding portion and the second annular protruding portion, the first annular protruding portion protrudes into the first hole of a sheet adjacent to the third plate, the second annular protruding portion protrudes into the first hole of a sheet adjacent to the fourth plate, a gap is provided between the first annular protruding portion and a wall portion of the first hole provided in the sheet adjacent to the third plate, and a gap is provided between the second annular protruding portion and a wall portion of the first hole provided in the sheet adjacent to the fourth plate. 
     
     
         9 . The heat exchange apparatus according to  claim 7 , wherein the connecting member comprises a second end portion, and the second end portion is fixed to the core body member by welding;
 the first end portion comprises a first section and a second section, the first section of the first end portion protrudes into the second annular protruding portion, the second section does not protrude into the second annular protruding portion, an outer diameter of the second section is greater than an outer diameter of the first section, and the outer diameter of the second section is tapered toward the first section.   
     
     
         10 . The heat exchange apparatus according to  claim 1 , wherein the heat exchange apparatus comprises a first blocking portion, the first conduit is separated by the blocking portion, the first conduit comprises a first sub conduit located on one side of the first blocking portion and a second sub conduit located on another side of the first blocking portion, the peripheral opening is in communication with the first sub conduit, and the first sub conduit is not in direct communication with the second sub conduit. 
     
     
         11 . The heat exchange apparatus according to  claim 10 , wherein the sheet portion comprises a fifth plate, the fifth sheet comprises the first blocking portion, the first blocking portion is fixed to an outer wall of the connecting member by welding; or, the first blocking portion is formed by extending the fifth sheet, the first blocking portion extends along a radial direction of the connecting member, and the first blocking portion is fixed to the fifth sheet by welding;
 the bottom section is located in the connecting member, the bottom section is arranged sealed to the connecting member, and the first blocking portion is located below the peripheral opening providing that a side of the core body member arranged with the valve core member is taken as an upper side along an extending direction of the first conduit.   
     
     
         12 . The heat exchange apparatus according to  claim 10 , wherein the core body member comprises a sixth plate, the core body member comprises a second blocking portion, the second blocking portion is part of the sixth sheet or the second blocking portion is fixed to the sixth sheet by welding, the second blocking portion is located in the second conduit, the second conduit comprises a third sub conduit and a fourth sub conduit, the third sub conduit is located on one side of the second blocking portion, and the fourth sub conduit is located on another side of the second blocking portion;
 the second blocking portion is located below the first blocking portion along an extending direction of the first conduit providing that a side of the core body member arranged with the valve core member is taken as an upper side.   
     
     
         13 . A manufacturing method for a heat exchange apparatus, comprising:
 provide a sheet portion, and put the stacked sheet portion into a furnace for welding, wherein the welded sheet portion comprises a first conduit, a second conduit and an inter-sheets passage;   provide a valve core member and a connecting member, protrude part of a valve seat portion of the valve core member into the first conduit of the welded sheet portion, wherein the valve seat portion comprises a bottom section and a middle section and the middle section comprises a peripheral opening; protrude part of the bottom section into the connecting member, sealingly connect the bottom section with the connecting member by providing a first sealing member, and assemble and fix the valve core member and the connecting member; and   assemble and fix the valve core member and the core body member.   
     
     
         14 . The manufacturing method for the heat exchange apparatus according to  claim 13 , comprising:
 provide a bottom pressing block, protrude part of the connecting member into the first conduit, arrange a flange portion of the connecting member between the bottom pressing block and the sheet portion, and sealingly connect the connecting member and the sheet portion by providing a second sealing member;   assemble and fix the bottom pressing block, the connecting member and the sheet portion; and   protrude the valve seat portion from a side opposite to the side of the core body member assembled and fixed with the connecting member, into the first conduit of the welded sheet portion, wherein the valve seat portion comprises the bottom section and the middle section and the middle section comprises the peripheral opening, protrude the bottom section into the connecting member, and sealingly connect the bottom section with the connecting member by providing a sealing member.   
     
     
         15 . The manufacturing method for the heat exchange apparatus according to  claim 13 , comprising:
 provide a bottom pressing block, and putting the welded sheet portion and the bottom pressing blocking into the furnace for welding;   assemble and fix the valve seat portion and the connecting member; and   protrude the assembled connecting member and the assembled valve core member from a side of the sheet portion which is not welded to the bottom pressing block, into the first conduit, protrude part of the connecting member into the first conduit, protrude another part of the connecting member into the bottom pressing blocking, and sealingly connect the connecting member with the bottom pressing block by providing a second sealing member.   
     
     
         16 . The heat exchange apparatus according to  claim 4 , wherein the sheet portion comprises a first sheet and a second plate, the first sheet is fixed to the second sheet by welding, and a top or a bottom of the flange portion is fixed to the first sheet by welding; or the top or the bottom of the flange portion is fixed to the second sheet by welding;
 and/or the core body member comprises a top pressing block, and the flange portion is fixed to the top pressing block by welding.   
     
     
         17 . The heat exchange apparatus according to  claim 8 , wherein the connecting member comprises a second end portion, and the second end portion is fixed to the core body member by welding;
 the first end portion comprises a first section and a second section, the first section of the first end portion protrudes into the second annular protruding portion, the second section does not protrude into the second annular protruding portion, an outer diameter of the second section is greater than an outer diameter of the first section, and the outer diameter of the second section is tapered toward the first section.   
     
     
         18 . The heat exchange apparatus according to  claim 11 , wherein the core body member comprises a sixth plate, the core body member comprises a second blocking portion, the second blocking portion is part of the sixth sheet or the second blocking portion is fixed to the sixth sheet by welding, the second blocking portion is located in the second conduit, the second conduit comprises a third sub conduit and a fourth sub conduit, the third sub conduit is located on one side of the second blocking portion, and the fourth sub conduit is located on another side of the second blocking portion;
 the second blocking portion is located below the first blocking portion along an extending direction of the first conduit providing that a side of the core body member arranged with the valve core member is taken as an upper side.