CN109595951B - Heat exchange device - Google Patents
Heat exchange device Download PDFInfo
- Publication number
- CN109595951B CN109595951B CN201710913184.4A CN201710913184A CN109595951B CN 109595951 B CN109595951 B CN 109595951B CN 201710913184 A CN201710913184 A CN 201710913184A CN 109595951 B CN109595951 B CN 109595951B
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- Prior art keywords
- bending
- attaching
- heat exchange
- projection
- flat tube
- Prior art date
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Links
- 238000005452 bending Methods 0.000 claims abstract description 167
- 238000004891 communication Methods 0.000 claims description 63
- 230000000903 blocking effect Effects 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000010030 laminating Methods 0.000 description 26
- 239000012530 fluid Substances 0.000 description 17
- 239000005030 aluminium foil Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a heat exchange device, wherein a first flat tube of the heat exchange device comprises a first bending part, a first connecting part and a first attaching part, the first attaching part is attached to a part of a second flat tube, the first bending part is bent relative to the first attaching part, and the structure of the heat exchange device is relatively simple.
Description
[ field of technology ]
The invention relates to the technical field of heat exchange.
[ background Art ]
The heat exchange tubes of the heat exchanger are arranged in parallel, the space between the adjacent heat exchange tubes is an airflow channel, heat exchange medium in the heat exchange tubes exchanges heat with air around the heat exchange tubes, and the heat exchange medium absorbs heat in the air or releases heat to the air. Refrigerating systems are rapidly developing, and new demands are being made on heat exchangers, such as heat exchange between refrigerants or between refrigerants and cooling liquids, however, heat exchange devices capable of achieving the above heat exchange demands are relatively complex, and thus it is necessary to provide a heat exchange device having a relatively simple structure.
[ invention ]
The invention aims to provide a heat exchange device with a relatively simple structure.
The heat exchange device comprises a first collecting cavity and a plurality of heat exchange assemblies arranged in parallel, wherein each heat exchange assembly comprises a first flat tube and a second flat tube, each first flat tube comprises a first port and a first communication channel, each first port is communicated with each first communication channel, each first port is communicated with the corresponding first collecting cavity, each second flat tube comprises a second communication channel, and each first communication channel is not communicated with each second communication channel;
the first flat tube comprises a first attaching part, a first bending part and a first connecting part, the first attaching part comprises a first surface and a first attaching surface, the first surface and the first attaching surface are arranged on two opposite sides of the first flat tube, the first attaching surface and part of the second flat tube are attached, the first bending part is bent relative to the first attaching part and/or the first bending part is bent relative to the first connecting part, the first bending part is from the first attaching part to the first connecting part, in the normal direction of the first surface, the projection of the end part of the first connecting part on the first surface is not intersected with the projection of the first attaching part on the first surface;
the axis of the first collecting pipe is approximately perpendicular to the first surface, and the projection of the first collecting pipe on the first surface is not intersected with the projection of the first attaching part on the first surface in the normal direction of the first surface.
The first laminating portion and the flat venturi tube laminating of part second set up, and first bending portion is bent relative to first laminating portion, and the plain noodles slope of the relative first bending face of median line of first face, the projection of first pressure manifold and the projection of first laminating portion are disjoint, and this heat transfer device's first flat venturi tube includes a bending portion, and the structure is simple relatively.
[ description of the drawings ]
FIG. 1 is a schematic view of a heat exchange device;
FIG. 2 is a schematic side view of the heat exchange device of FIG. 1;
FIG. 3 is a schematic view of the heat exchange device of FIG. 1 from the bottom;
FIG. 4 is a schematic view of a heat exchange assembly;
FIG. 5 is a schematic view of a first flat tube;
FIG. 6 is a schematic view of a second flat tube;
FIG. 7 is a schematic view of a second embodiment of a heat exchange assembly;
FIG. 8 is a schematic view of a third embodiment of a heat exchange device;
FIG. 9 is a schematic view of a fourth embodiment of a heat exchange device;
fig. 10 is a schematic cross-sectional view taken along A-A of fig. 9.
[ detailed description ] of the invention
Referring to fig. 1 to 10, the heat exchange device includes a first communication pipe 21, a second communication pipe 22, a third communication pipe 23, a fourth communication pipe 24, and a heat exchanger, wherein the first communication pipe 21 communicates with the second communication pipe 22 through the heat exchanger, and the third communication pipe 23 communicates with the fourth communication pipe 24 through the heat exchanger. The heat exchanger comprises a first collecting pipe 11, a second collecting pipe 12, a third collecting pipe 13, a fourth collecting pipe 14 and a plurality of heat exchange assemblies 3 which are arranged in parallel, wherein the first collecting pipe 11 and the third collecting pipe 13 are positioned at the same end of the heat exchange assemblies 3, and the second collecting pipe 12 and the fourth collecting pipe 14 are positioned at the opposite end of the heat exchange assemblies 3. The first header 11 includes a first manifold 112 and a first opening (not shown), and the first communication pipe 21 includes a first communication chamber, which is welded to the first opening, and which communicates with the first manifold. Specifically, the first header 11 includes a longitudinally long tubular body portion, both ends of the body portion of the first header 11 are closed by end caps, and the body portion of the first header 11 and the end caps are surrounded to form a first manifold. The first opening part is arranged on the main body part or the end cover of the first collecting pipe 11, the main body part of the first collecting pipe 11 is also provided with a plurality of slots 111 which are mutually parallel and penetrate through the pipe wall of the main body part of the first collecting pipe, and the slots 111 of the first collecting pipe are vertical to the longitudinal axis of the first collecting pipe 11. The second header 12 includes a second opening portion and a second manifold, and the second communication pipe includes a second communication chamber, and the second communication pipe 22 is welded to the second opening portion, and the second communication chamber communicates with the second manifold. The second collecting pipe 12 comprises a longitudinal long tubular main body part, two ends of the main body part of the second collecting pipe 12 are closed by end covers, the main body part of the second collecting pipe 12 and the end covers are surrounded to form a second collecting cavity (not shown), the second opening part is arranged on the main body part or the end covers of the second collecting pipe 12, the main body part of the second collecting pipe 12 is also provided with a plurality of slots (not shown) which are parallel to each other and penetrate through the pipe wall of the main body part of the second collecting pipe 12, and the slots of the second collecting pipe 12 are perpendicular to the longitudinal axis of the second collecting pipe 12. The heat exchange assembly 3 comprises a first flat tube 31 and a second flat tube 32, wherein the first flat tube comprises a first port, a second port and a first communication channel, the first port is communicated with the first communication channel, the second port is communicated with the first communication channel, the first communication channel is not communicated with the second communication channel, the first end part of the first flat tube 31 is welded and fixed with a slot of the first collecting pipe 11, the first port is communicated with a first collecting pipe cavity, the first communication channel is communicated with the first collecting pipe cavity, the second end part of the first flat tube is welded and fixed with a slot of the second collecting pipe cavity, the second port is communicated with the second collecting pipe cavity, the first communication channel is communicated with the second collecting pipe cavity, and the first collecting pipe cavity can be communicated with the second collecting pipe cavity through the first communication channel. The second flat tube comprises a third port, a fourth port and a second communication channel, wherein the third port is communicated with the second communication channel, the fourth port is communicated with the second communication channel, the third end of the second flat tube 31 is welded and fixed with a slot of the third collecting tube 11, the third port is communicated with the third collecting tube, the second communication channel is communicated with the third collecting tube, the fourth end of the second flat tube is welded and fixed with a slot of the fourth collecting tube, the fourth port is communicated with the fourth collecting tube, the second communication channel is communicated with the third collecting tube, and the third collecting tube can be communicated with the fourth collecting tube through the second communication channel. It is known that the main body of the above-mentioned corresponding header may be round, square or other regular or irregular. The heat exchange device is also not provided with a communicating pipe, and the corresponding collecting pipe reserves an opening part for fluid to enter and exit.
Part of the first flat tube 31 and part of the second flat tube 32 are arranged in a fitting way, and fluid flowing through the first flat tube 31 and fluid flowing through the second flat tube 32 can exchange heat at the fitting position of the two. The first flat tube 31 includes a first attaching portion 313, a first bending portion 312 and a first connecting portion 311, wherein the first attaching portion 313 and the first connecting portion 311 are located at two sides of the first bending portion 312, and fluid flowing through the first attaching portion 313 enters the first connecting portion 311 through the first bending portion 312 and then enters the first collecting cavity. The first flat tube is a longitudinally long flat tube, and at least one partition wall is formed along the longitudinal direction of the first flat tube, and divides the flat tube into a plurality of parallel first communication channels, wherein the first communication channels can be circular channels or channels with other shapes, and the circular channels or the channels comprise a plurality of spaced-apart channels. The first connection portion 311 includes a first end of the first flat tube 31 or the first end of the first flat tube 31 is disposed at the first connection portion 311, defining an end of the first connection portion: a portion extending from the first port along the first communication path by 1mm or more, or in other words, a length of the first end portion in the direction of the first communication path by 1mm or more, the end portion of the second connecting portion, the end portion of the third connecting portion, and the end portion of the fourth connecting portion, or the end portion of the first bending portion, the end portion of the second bending portion, and the end portion of the third bending portion are defined in the same manner. The first attaching portion 313, the first connecting portion 311 and the first bending portion 312 may be integrally formed, or in other words, the first attaching portion 313, the first connecting portion 311 and the first bending portion 312 are integrally formed, so that the first bending portion 312 also includes a circular channel or a through hole with other shapes, and accordingly, the communication channel of the first bending portion 312 is substantially a bent structure. The first attaching portion 313, the first connecting portion 311 and the first bending portion 312 may be in a split structure, and the three may be welded together, where the first bending portion 312 may be a hollow flat elbow or a flat elbow including a plurality of channels, and the channels of the first bending portion 312 are respectively communicated with the channels of the corresponding first attaching portion 313 and the first connecting portion 311. It will be appreciated that the radius of the first bend 312 is less than half the distance between adjacent heat exchange assemblies to ensure that adjacent heat exchange assemblies are juxtaposed. In other embodiments, the first fitting portion and the first connecting portion may also be hollow flat tubes, or the first fitting portion and the first connecting portion may include only one communication passage. The first laminating portion includes first face 3131 and first laminating face 3133, first face and first laminating face set up in the relative both sides of first laminating portion, first laminating face sets up wherein with the laminating of partial second flat tube, the laminating sets up the adjacent face direct contact or the indirect contact of first laminating face and second flat tube 32, and relatively fixed, indirect contact indicates and paste at first laminating face with the intermediate, then the intermediate contacts with the adjacent face of second flat tube again, the intermediate is the thermal conductor generally, in order to guarantee the heat exchange medium of first flat tube and the heat exchange medium of second flat tube, if the intermediate is the aluminium foil, first laminating face contacts and fixes with the aluminium foil, then the aluminium foil is in the contact of second flat tube and fixes, the fixed mode can be welding, bonding etc.. The intermediate can also be heat-conducting silicone grease, and the first bonding surface is bonded with the adjacent surface of the second flat tube through the heat-conducting silicone grease. Typically, the intermediate does not include air.
The first bending part includes a first bending surface, the first connecting part includes a second surface, the first bending surface 3121 is from one side of the first surface 3131 to the second surface 3111, the first surface 3131 and the second surface 3111 are substantially plane, the first bending surface 3121 is substantially arc surface, the first bending surface is bent relative to the first surface and/or the first bending surface is bent relative to the second surface, or the first bending part is bent relative to the first attaching part and/or the first bending part is bent relative to the first connecting part, the first bending part is arranged from the first attaching part to the first connecting part, part of the second surface 3111 and part of the first surface 3131 are substantially opposite, and the element line 3122 of the first bending surface is inclined relative to the median 3132 of the first surface. In order to ensure that the first connecting part is welded and fixed on the slot of the first collecting pipe, the projection of the end part of the first connecting part on the first surface is not intersected with the projection of the first attaching part on the first surface in the normal direction of the first surface; it is known that the axis of the first header is perpendicular to the first surface, and the projection of the first header on the first surface does not intersect with the projection of the first bonding portion on the first surface in the normal direction of the first surface. Thus, the end part of the first connecting part protrudes out of the heat exchange assembly, the end part of the first connecting part penetrates into the slot of the first collecting pipe and is welded and fixed with the slot of the first collecting pipe, and the first communicating channel is communicated with the first collecting pipe.
For convenience of the following description, the definition of the median is as follows: in the width direction of the first attaching portion, the distances from the middle line to both sides of the first attaching portion are equal, and it is known that the first connecting portion and the first bending portion also include such a middle line. Likewise, the second flat tube has the same definition and will not be described in detail. For convenience of description, a first vertical surface (not shown) is provided, which is disposed perpendicular to the first surface and intersects the first surface at a median 3132 of the first surface. The first flat tube 31 includes a second bending portion 314 and a second connecting portion 315, where the first attaching portion 313 and the second connecting portion 315 are located at two sides of the second bending portion 314, and a communication channel of the first attaching portion 313 is communicated with a communication channel of the second connecting portion 311 through a communication channel of the second bending portion 315, or fluid flowing through the first attaching portion 313 enters the second connecting portion 315 through the second bending portion 314 and then enters the second collecting cavity. The structure of the second bending part 314 is the same as that of the first bending part 312, and the structure of the second connecting part 315 is the same as that of the first connecting part 311, and will not be described in detail. The second bending portion includes a second bending surface 3141, the second connecting portion includes a third surface 3151, the second bending surface 3141 is bent with respect to the first surface 3131 and/or the third surface 3151, or the second bending portion is bent with respect to the first attaching portion and/or the second bending portion is bent with respect to the second connecting portion, the second bending portion starts from the other side of the first surface to the third surface, the second bending portion starts from the other side of the first connecting portion to the second connecting portion, part of the third surface is arranged opposite to part of the first surface, part of the second connecting portion is arranged opposite to part of the first attaching portion, and the element line of the second bending portion is obliquely arranged with the middle line opposite to the first surface. The first flat tube 31 may further include a first curved portion, where the second port of the first flat tube 31 is disposed, and the first curved portion extends from the first fitting portion 313 and is curved with respect to the first fitting portion, and the first curved portion includes a first curved surface that extends from the first surface and is curved with respect to a median line of the first surface, or the median line of the first curved surface is a curve, and the first curved surface and the first surface 3131 are substantially in the same plane. Similarly, in order to ensure that the end part of the second connecting part or the end part of the first bending part is welded and fixed with the slot of the second collecting pipe, the projection of the end part of the second connecting part or the end part of the first bending part on the first surface is not intersected with the projection of the first attaching part on the first surface in the normal direction of the first surface; it is known that the axis of the second header is perpendicular to the first surface, and the projection of the second header on the first surface does not intersect with the projection of the first bonding portion on the first surface in the normal direction of the first surface. In this way, the end part of the second connecting part or the end part of the first bending part protrudes out of the heat exchange assembly, and the end part of the second connecting part or the end part of the first bending part penetrates into the slot of the second collecting pipe and is welded and fixed with the slot. It can be appreciated that the first flat tube includes the second port, and the second port communicates with the second manifold, and the second port sets up in the second connecting portion or sets up in first bending portion, and the second port sets up in the same side or the different one side of first perpendicular to the face with first port, and the distance of second port to first perpendicular to the face is greater than first flat tube width or half of first face width, is favorable to like this first flat tube's second tip and second pressure manifold welded fastening.
The second flat tube 32 includes a third port, a fourth port, and at least one communication passage, and the third port and the fourth port communicate through the communication passage of the second flat tube. The second flat tube includes second laminating portion 323, and the second laminating portion is the long flat structure of vertical approximately, and second laminating portion includes second laminating face and fourth face 3231, and the second laminating face sets up with first laminating face laminating, and fourth face sets up in the relative both sides of second flat tube with the second laminating face. The second flat tube includes a third connecting portion 322, and the third port is disposed on the third connecting portion, and the third connecting portion is located on one side of the second attaching portion, where the longitudinal axis of the third connecting portion and the longitudinal axis of the second attaching portion are approximately in the same straight line. The second flat tube may also include a third bending portion and a third connecting portion, where the third port is disposed at the third connecting portion, the second attaching portion and the third connecting portion are located at two sides of the third bending portion, the third bending portion includes a third bending surface, the third connecting portion includes a fifth surface, the third bending surface is bent with respect to the fourth surface and/or the third bending surface is bent with respect to the fifth surface, or the third bending portion is bent with respect to the second attaching portion, the third bending surface starts from one side of the fourth surface to the fifth surface, or the third bending portion starts from one side of the second connecting portion to the third connecting portion, a part of the fourth surface is disposed opposite to a part of the fifth surface, or a part of the second attaching portion is disposed opposite to a part of the third connecting portion, and a line of the third bending surface is inclined with respect to a median line of the fourth surface; in other embodiments, the second flat tube includes a second bending portion 324, the third port is disposed on the second bending portion, the second bending portion includes a second bending surface 3241, the second bending surface 3241 and the fourth surface 3231 are located on the same side of the second flat tube, the second bending surface 3241 extends from one side of the fourth surface, or the second bending portion starts from one side of the second attaching portion, a median line of the second bending surface is bent relative to a median line of the fourth surface, and the second bending surface and the fourth surface are substantially on the same plane. Similarly, in order to ensure that the end part of the third connecting part or the end part of the second bending part is welded and fixed with the slot of the third collecting pipe, in the normal direction of the second surface, the projection of the end part of the third connecting part or the end part of the second bending part on the first surface is not intersected with the projection of the first attaching part on the first surface; it is known that the axis of the third header is perpendicular to the first surface, and the projection of the third header on the first surface does not intersect with the projection of the second bonding portion on the first surface in the normal direction of the first surface. In this way, the end part of the third connecting part or the end part of the second bending part protrudes out of the heat exchange assembly, and the end part of the third connecting part or the end part of the second bending part penetrates into the slot of the third collecting pipe and is welded and fixed with the slot.
The second flat tube further includes a fourth connecting portion 321, where the fourth port is disposed on the fourth connecting portion, and the fourth connecting portion is located on the other side of the second attaching portion, and a longitudinal axis of the fourth connecting portion and a longitudinal axis of the second attaching portion are approximately in the same straight line. The second flat tube may also include a fourth bending portion and a fourth connecting portion, the fourth port is disposed at the fourth connecting portion, the second attaching portion and the fourth connecting portion are located at two sides of the fourth bending portion, the fourth bending portion includes a fourth bending surface, the fourth connecting portion includes a sixth surface, the fourth bending surface is bent with respect to the fourth surface and/or bent with respect to the sixth surface, the third bending surface is from another side to the sixth surface of the fourth surface, a portion of the fourth surface is disposed opposite to a portion of the sixth surface, or, the fourth bending portion is bent with respect to the second attaching portion and/or bent with respect to the fourth connecting portion, the fourth bending portion is from another side of the second attaching portion to the fourth connecting portion, and a portion of the second attaching portion is disposed opposite to a portion of the fourth connecting portion. In another embodiment, the second flat tube includes a third bending portion 325, the fourth port is disposed at the third bending portion, the third bending portion includes a third bending surface 3251, the third bending surface extends from one side of the fourth surface, or the third bending portion starts from the other side of the second bonding portion, the middle line of the third bending surface is bent relative to the middle line of the fourth surface, and the third bending surface and the fourth surface are substantially in the same plane. Similarly, in order to ensure that the end part of the fourth connecting part or the end part of the third bending part is welded and fixed with the slot of the second collecting pipe, in the normal direction of the first surface, the projection of the end part of the fourth connecting part or the end part of the third bending part on the first surface is not intersected with the projection of the first attaching part on the first surface; it is known that the axis of the second header is perpendicular to the first surface, and the projection of the second header on the first surface does not intersect with the projection of the first bonding portion on the first surface in the normal direction of the first surface. In this way, the end of the fourth connecting part or the end of the third bending part protrudes out of the heat exchange assembly, and the end of the fourth connecting part or the end of the third bending part is inserted into the slot of the fourth collecting pipe and welded and fixed with the slot.
The heat exchange device further comprises a first distributing pipe 25, the first distributing pipe penetrates through the first opening, the first distributing pipe 25 is welded and fixed with the first opening, part of the first distributing pipe 25 is arranged on the first manifold 112, the first distributing pipe comprises a plurality of distributing holes 251 and a first distributing cavity 252, the first distributing cavity 252 is communicated with the first manifold through the distributing holes 251, specifically, the first distributing pipe comprises a first end and a second end, the first end of the first distributing pipe is arranged outside the first manifold 11, and the second end of the first distributing pipe is arranged on the first manifold. Fluid enters the first distribution chamber 252 from a port at the first end of the first distribution tube and then enters the first manifold through the distribution holes 251. It is known that if the heat exchange device is provided with the first distributing pipe, the heat exchange device does not need to be provided with the first communicating pipe. Likewise, the heat exchange device further comprises a second distribution pipe (not shown), the second distribution pipe penetrates through the fourth opening, the second distribution pipe is welded and fixed with the fourth opening, a part of the second distribution pipe is arranged on the fourth manifold, the second distribution pipe comprises a plurality of distribution holes and a second distribution cavity, the second distribution cavity is communicated with the fourth manifold through the distribution holes of the second distribution pipe, specifically, the second distribution pipe comprises a first end and a second end, the first end of the second distribution pipe is arranged outside the fourth manifold, and the second end of the second distribution pipe is arranged on the fourth manifold. The fluid enters the second distribution chamber through the port at the first end of the second distribution tube and then enters the fourth manifold through the distribution hole of the second distribution tube, and it is known that the fluid flow direction of the first flat tube is opposite to the fluid flow direction in the second flat tube. In other embodiments, the second pipe may be disposed on the third collecting pipe, and the fluid flow direction of the first flat pipe is the same as the fluid flow direction of the second flat pipe, which will not be described in detail.
The heat exchange device further comprises a supporting portion (not shown), wherein the supporting portion is arranged between the adjacent heat exchange assemblies and comprises a first wall and a second wall, the first wall of the supporting portion is welded and fixed with the first face of the first flat tube, and the second wall of the supporting portion is welded and fixed with the fourth face of the second flat tube of the adjacent heat exchange assemblies, so that the mechanical strength of the heat exchange device is enhanced. The heat exchange device comprises a first flow blocking part 4 and/or a second flow blocking part, the first flow blocking part and the second flow blocking part are arranged approximately in parallel with a first vertical surface, the first flow blocking part 4 and the second flow blocking part are positioned on two opposite sides of the first vertical surface, the first flow blocking part is fixedly arranged on one side of the heat exchange assembly, and the second flow blocking part is fixedly arranged on the other opposite side of the heat exchange assembly. The first flow blocking part and/or the second flow blocking part can be a non-porous or non-microporous flat plate or other type of sheet, so that air flow is prevented from entering the heat exchange assembly, and heat exchange between the air flow and fluid in the first flat tube or the second flat tube is further isolated, and the heat exchange efficiency of the fluid in the first flat tube and the fluid in the second flat tube is enhanced. It can be appreciated that the heat exchange device may also be provided with a third flat tube, where the fitting portion of the third flat tube is fitted with the second fitting portion or is fitted with the first fitting portion, and fluid flowing through the third fitting portion may exchange heat with fluid flowing through the first fitting portion or with fluid flowing through the second fitting portion, and the bent portion and the connecting portion of the third flat tube are substantially the same as the first bent portion and the first connecting portion, which will not be described in detail.
The first laminating portion and the laminating of partial second flat tube set up, and first flat tube sets up first portion of bending, and first portion of bending is bent relative first laminating portion, and first connecting portion is protruding in heat exchange assembly relatively and with the chamber intercommunication of first pressure manifold, and the projection of first pressure manifold is disjoint with the projection of first laminating portion, and this heat transfer device's first flat tube includes a portion of bending, and the structure is simple relatively.
Compared with the prior art, the method has the following steps: the above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention may be modified or substituted by the same, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention are intended to be included in the scope of the claims of the present invention.
Claims (11)
1. The heat exchange device comprises a first collecting cavity and a plurality of heat exchange assemblies arranged in parallel, wherein each heat exchange assembly comprises a first flat tube and a second flat tube, each first flat tube comprises a first port and a first communication channel, each first port is communicated with each first communication channel, each first port is communicated with the corresponding first collecting cavity, each second flat tube comprises a second communication channel, and each first communication channel is not communicated with each second communication channel;
the first flat tube comprises a first attaching part, a first bending part and a first connecting part, the first attaching part comprises a first surface and a first attaching surface, the first surface and the first attaching surface are arranged on two opposite sides of the first flat tube, the second flat tube comprises a second attaching part, the second attaching part comprises a second attaching surface and a fourth surface, the second attaching surface is attached to the first attaching surface, and the fourth surface and the second attaching surface are arranged on two opposite sides of the second flat tube;
the first bending part is bent relative to the first attaching part and/or the first bending part is bent relative to the first connecting part, the first bending part extends from one end of the first attaching part to the first connecting part, and in the normal direction of the first surface, the projection of the end part of the first connecting part on the first surface is not intersected with the projection of the first attaching part on the first surface;
the axis of the first collecting pipe is approximately perpendicular to the first surface, and the projection of the first collecting pipe on the first surface is not intersected with the projection of the first attaching part on the first surface in the normal direction of the first surface.
2. The heat exchange device of claim 1, wherein a portion of the first connecting portion is disposed opposite a portion of the first engaging portion in a direction normal to the first face, the first connecting portion being substantially parallel to the first engaging portion; the first bending part comprises a first bending surface, the first bending surface extends from one side of the first surface, and the element line of the first bending surface is inclined relative to the median line of the first surface.
3. The heat exchange device according to claim 1 or 2, wherein the first flat tube further comprises a second bending portion and a second connecting portion, the second bending portion comprises a second bending surface, the second bending surface extends from the opposite side of the first surface, the second bending portion is bent relative to the first attaching portion and/or the second bending portion is bent relative to the second connecting portion, the second bending portion is from the opposite side of the first connecting portion to the second connecting portion, in the normal direction of the first surface, a part of the second connecting portion is arranged opposite to a part of the first attaching portion, the projection of the end portion of the second connecting portion on the first surface does not intersect with the projection of the first attaching portion on the first surface, and the element line of the second bending surface is inclined relative to the median line of the first surface; or the first flat tube comprises a first bending part, the first bending part starts from the other side of the first attaching part, in the normal direction of the first surface, the projection of the end part of the first bending part on the first surface is not intersected with the projection of the first attaching part on the first surface, the first bending part comprises a first bending surface, the median line of the first bending surface is bent relative to the median line of the first surface, and the first bending surface and the first surface are approximately in the same plane.
4. A heat exchange device according to claim 3, wherein the first flat tube includes a second port provided at the second connection portion or the first bent portion, the second port communicating with the first communication passage; the heat exchange device comprises a second collecting pipe, the second collecting pipe comprises a second collecting cavity, the second port is communicated with the second collecting cavity, the second collecting cavity is communicated with the first communicating channel, the axis of the second collecting pipe is approximately perpendicular to the first surface, the projection of the second collecting pipe on the first surface is not intersected with the projection of the first attaching part on the first surface in the normal direction of the first surface.
5. The heat exchange device of claim 4 wherein the second flattened tube further comprises a third connecting portion extending from one side of the second conforming portion, the longitudinal axis of the second conforming portion and the longitudinal axis of the third connecting portion being substantially collinear; or the second flat tube comprises a third bending part and a third connecting part, the third bending part bends relative to the second attaching part and/or the third bending part bends relative to the third connecting part, the third bending part extends from one side of the second connecting part to the third connecting part, the third bending part comprises a third bending surface, the third bending surface extends from the fourth surface, a prime line of the third bending surface inclines relative to a median line of the fourth surface, part of the third connecting part is arranged relative to part of the second attaching part in a normal direction of the first surface, and the projection of the end part of the third connecting part on the first surface is not intersected with the projection of the second attaching part on the first surface; or the second flat tube includes a second curved portion including a second curved surface, the second curved portion starting from one side of the second attaching portion, a median line of the second curved surface being curved with respect to a median line of the fourth surface, the second curved surface being substantially in the same plane as the fourth surface, a projection of an end portion of the second curved portion on the first surface in a normal direction of the fourth surface being disjointed from a projection of the second attaching portion on the first surface;
and/or the second flat tube further comprises a fourth connecting portion extending from the opposite side of the second fitting portion, the longitudinal axis of the second fitting portion and the longitudinal axis of the fourth connecting portion being substantially collinear; or the second flat tube comprises a fourth bending part and a fourth connecting part, the fourth bending part bends relative to the second attaching part and/or the fourth bending part bends relative to the fourth connecting part, the fourth bending part extends from the other side of the second attaching part to the fourth connecting part, the fourth bending part comprises a fourth bending surface, the fourth bending surface extends from the other opposite side of the fourth surface, a prime line of the fourth bending surface is obliquely arranged relative to a median line of the fourth surface, part of the fourth connecting part is oppositely arranged with part of the second attaching part in a normal direction of the first surface, and the projection of the end part of the fourth connecting part on the first surface is not intersected with the projection of the second attaching part on the first surface; or the second flat tube comprises a third bending part, the third bending part comprises a third bending surface, the third bending part starts from the other side of the second attaching part, the middle line of the third bending surface bends relative to the middle line of the fourth surface, the third bending surface and the fourth surface are approximately in the same plane, and in the normal direction of the fourth surface, the projection of the end part of the third bending part on the first surface is not intersected with the projection of the second attaching part on the first surface.
6. The heat exchange device of claim 5, wherein the heat exchange device comprises a third header and/or a fourth header, the third header comprising a third manifold, the fourth header comprising a fourth manifold, the third manifold and the first manifold being disposed at one end of the heat exchange device, the fourth manifold and the second manifold being at an opposite end of the heat exchange device, the second flat tube comprising a third port in communication with a second communication channel and a fourth port in communication with a second communication channel, the third port in communication with the third manifold, the fourth port in communication with the fourth manifold; the axis of the third collecting pipe is approximately perpendicular to the first surface, and the projection of the third collecting pipe on the first surface is not intersected with the projection of the second attaching part on the first surface in the normal direction of the first surface; the axis of the fourth collecting pipe is approximately perpendicular to the first surface, and the projection of the fourth collecting pipe on the first surface is not intersected with the projection of the second attaching part on the first surface in the normal direction of the first surface.
7. The heat exchange device of claim 6 further comprising a plurality of support portions disposed between adjacent heat exchange assemblies, the support portions including a first wall and a second wall, the first wall of the support portions being welded to the first face of the first flat tube, the second wall of the support portions being welded to the second flat tube adjacent the heat exchange assemblies.
8. The heat exchange device of claim 6 or 7, wherein a first vertical surface is defined, the first vertical surface and the first surface perpendicularly intersect at a median line of the first surface, the heat exchange device further comprises a first flow blocking portion and/or a second flow blocking portion, the first flow blocking portion and the second flow blocking portion are arranged approximately in parallel with the first vertical surface, the first flow blocking portion and the second flow blocking portion are located on opposite sides of the first vertical surface, the first flow blocking portion and one side of the heat exchange assembly are fixedly arranged, and the second flow blocking portion and the opposite side of the heat exchange assembly are fixedly arranged.
9. The heat exchange device of claim 6 or 7 wherein the first header includes a first opening, the fourth header includes a fourth opening, the third header includes a third opening, the second header includes a second opening,
the heat exchange device further comprises a first distributing pipe, the first distributing pipe comprises a first distributing cavity and at least one first distributing hole, the first distributing pipe penetrates through the first opening part, the first distributing pipe is fixedly welded with the first opening part, part of the first distributing pipe is arranged in the first collecting cavity, and the first distributing cavity is communicated with the first collecting cavity through the first distributing hole; and/or the heat exchange device comprises a second distribution pipe, the second distribution pipe comprises a second distribution cavity and at least one second distribution hole, the second distribution pipe penetrates through the fourth opening, the second distribution pipe is welded and fixed with the fourth opening, at least part of the second distribution pipe is arranged in the fourth manifold, and the second distribution cavity is communicated with the fourth manifold through the second distribution hole; or the second distribution pipe passes through the third opening part, the second distribution pipe is welded and fixed with the third opening part, at least part of the second distribution pipe is arranged on the third manifold, and the second distribution cavity is communicated with the fourth manifold through the second distribution hole; or the heat exchange device comprises a first communication pipe and/or a fourth communication pipe, the first communication pipe comprises a first communication cavity, the first communication pipe penetrates through the first opening part, the first communication pipe is fixedly welded with the first opening part, and the first communication cavity is communicated with the first collecting cavity; the fourth communicating pipe comprises a fourth communicating cavity, the fourth communicating pipe penetrates through the fourth opening, the first communicating pipe is fixedly welded with the fourth opening, and the fourth communicating cavity is communicated with the fourth collecting cavity;
the heat exchange device comprises a third communicating pipe and/or a second communicating pipe, the third communicating pipe comprises a third communicating cavity, the third communicating pipe penetrates through the third opening part, the third communicating pipe is welded and fixed with the third opening part, and the third communicating cavity is communicated with the third collecting cavity; the second communicating pipe comprises a second communicating cavity, the second communicating pipe penetrates through the second opening part, the second communicating pipe is fixedly welded with the second opening part, and the second communicating cavity is communicated with the second collecting cavity.
10. The heat exchange device of claim 9, wherein a first vertical plane is defined, the first vertical plane perpendicularly intersecting the first plane at a median line of the first plane, the second port and the first port are disposed on one side of the first vertical plane, and the third port and the fourth port are disposed on the other side of the first vertical plane;
the first connecting part is arranged in parallel with the first attaching part, and the axis of the first connecting part is approximately perpendicular to the first vertical surface; and/or the second connecting part is arranged in parallel with the first attaching part, and the axis of the second connecting part is approximately perpendicular to the first vertical surface; and/or the third connecting part is arranged in parallel with the second attaching part, and the axis of the third connecting part is approximately perpendicular to the first vertical surface; and/or the fourth connecting part is arranged in parallel with the second attaching part, and the axis of the fourth connecting part is approximately perpendicular to the first vertical surface.
11. The heat exchange device of claim 1 or 2, wherein the second flat tube further comprises a third connecting portion extending from one side of the second fitting portion, the longitudinal axis of the second fitting portion and the longitudinal axis of the third connecting portion being substantially collinear; or the second flat tube comprises a third bending part and a third connecting part, the third bending part bends relative to the second attaching part and/or the third bending part bends relative to the third connecting part, the third bending part extends from one side of the second connecting part to the third connecting part, the third bending part comprises a third bending surface, the third bending surface extends from the fourth surface, a prime line of the third bending surface inclines relative to a median line of the fourth surface, part of the third connecting part is arranged relative to part of the second attaching part in a normal direction of the first surface, and the projection of the end part of the third connecting part on the first surface is not intersected with the projection of the second attaching part on the first surface; or the second flat tube includes a second curved portion including a second curved surface, the second curved portion starting from one side of the second attaching portion, a median line of the second curved surface being curved with respect to a median line of the fourth surface, the second curved surface being substantially in the same plane as the fourth surface, a projection of an end portion of the second curved portion on the first surface in a normal direction of the fourth surface being disjointed from a projection of the second attaching portion on the first surface;
and/or the second flat tube further comprises a fourth connecting portion extending from the opposite side of the second fitting portion, the longitudinal axis of the second fitting portion and the longitudinal axis of the fourth connecting portion being substantially collinear; or the second flat tube comprises a fourth bending part and a fourth connecting part, the fourth bending part bends relative to the second attaching part and/or the fourth bending part bends relative to the fourth connecting part, the fourth bending part extends from the other side of the second attaching part to the fourth connecting part, the fourth bending part comprises a fourth bending surface, the fourth bending surface extends from the other opposite side of the fourth surface, a prime line of the fourth bending surface is obliquely arranged relative to a median line of the fourth surface, part of the fourth connecting part is oppositely arranged with part of the second attaching part in a normal direction of the first surface, and the projection of the end part of the fourth connecting part on the first surface is not intersected with the projection of the second attaching part on the first surface; or the second flat tube comprises a third bending part, the third bending part comprises a third bending surface, the third bending part starts from the other side of the second attaching part, the middle line of the third bending surface bends relative to the middle line of the fourth surface, the third bending surface and the fourth surface are approximately in the same plane, and in the normal direction of the fourth surface, the projection of the end part of the third bending part on the first surface is not intersected with the projection of the second attaching part on the first surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710913184.4A CN109595951B (en) | 2017-09-30 | 2017-09-30 | Heat exchange device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710913184.4A CN109595951B (en) | 2017-09-30 | 2017-09-30 | Heat exchange device |
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| CN109595951A CN109595951A (en) | 2019-04-09 |
| CN109595951B true CN109595951B (en) | 2024-01-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220221226A1 (en) | 2021-01-13 | 2022-07-14 | Mahle International Gmbh | Flat tube and heat exchanger |
| US20220252349A1 (en) | 2021-02-11 | 2022-08-11 | Mahle International Gmbh | Heat exchanger |
| US12111112B2 (en) | 2022-03-02 | 2024-10-08 | Mahle International Gmbh | Two-circuit evaporators |
| US12135151B2 (en) | 2022-10-11 | 2024-11-05 | Mahle International Gmbh | Dual heat exchanger for heat pump system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1488842A (en) * | 1973-10-31 | 1977-10-12 | Philips Nv | Heat exchanger |
| KR20010028744A (en) * | 1999-09-22 | 2001-04-06 | 구자홍 | Heat exchanger and its manufacturing mathod for air conditioner |
| CN2445279Y (en) * | 2000-09-04 | 2001-08-29 | 刘福祥 | Compound heat exchanger |
| CN101109605A (en) * | 2007-08-02 | 2008-01-23 | 江苏风神空调集团股份有限公司 | High speed flat tube heat exchanger for air-handling unit |
| CN101122434A (en) * | 2006-08-11 | 2008-02-13 | 浙江三花制冷集团有限公司 | Parallel flow type heat exchanger |
| CN101551207A (en) * | 2009-05-15 | 2009-10-07 | 营口庆营石化设备总厂 | Shell-and-tube heat exchanger with oblate tube |
| KR20100108210A (en) * | 2009-03-26 | 2010-10-06 | 가부시키가이샤 덴소 | Cool-storage type heat exchanger |
| CN102748976A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Antisymmetrical step flat tube |
| CN103471414A (en) * | 2013-09-18 | 2013-12-25 | 中国科学院广州能源研究所 | Efficient freezing dehydrator |
| CN103913019A (en) * | 2014-01-18 | 2014-07-09 | 胡洁 | High-performance micro-channel heat exchanger for refrigerating system |
| CN106855327A (en) * | 2015-12-09 | 2017-06-16 | 浙江三花汽车零部件有限公司 | A kind of heat exchanger |
| CN207703035U (en) * | 2017-09-30 | 2018-08-07 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
-
2017
- 2017-09-30 CN CN201710913184.4A patent/CN109595951B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1488842A (en) * | 1973-10-31 | 1977-10-12 | Philips Nv | Heat exchanger |
| KR20010028744A (en) * | 1999-09-22 | 2001-04-06 | 구자홍 | Heat exchanger and its manufacturing mathod for air conditioner |
| CN2445279Y (en) * | 2000-09-04 | 2001-08-29 | 刘福祥 | Compound heat exchanger |
| CN101122434A (en) * | 2006-08-11 | 2008-02-13 | 浙江三花制冷集团有限公司 | Parallel flow type heat exchanger |
| CN101109605A (en) * | 2007-08-02 | 2008-01-23 | 江苏风神空调集团股份有限公司 | High speed flat tube heat exchanger for air-handling unit |
| KR20100108210A (en) * | 2009-03-26 | 2010-10-06 | 가부시키가이샤 덴소 | Cool-storage type heat exchanger |
| CN101551207A (en) * | 2009-05-15 | 2009-10-07 | 营口庆营石化设备总厂 | Shell-and-tube heat exchanger with oblate tube |
| CN102748976A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Antisymmetrical step flat tube |
| CN103471414A (en) * | 2013-09-18 | 2013-12-25 | 中国科学院广州能源研究所 | Efficient freezing dehydrator |
| CN103913019A (en) * | 2014-01-18 | 2014-07-09 | 胡洁 | High-performance micro-channel heat exchanger for refrigerating system |
| CN106855327A (en) * | 2015-12-09 | 2017-06-16 | 浙江三花汽车零部件有限公司 | A kind of heat exchanger |
| CN207703035U (en) * | 2017-09-30 | 2018-08-07 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
Non-Patent Citations (1)
| Title |
|---|
| 电厂脱硫烟道及MGGH换热装置施工工艺;邱洪安;低碳世界;45 * |
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| CN109595951A (en) | 2019-04-09 |
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