CN105121988A - Folded tube multiple bank heat exchange unit - Google Patents
Folded tube multiple bank heat exchange unit Download PDFInfo
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- CN105121988A CN105121988A CN201480020632.2A CN201480020632A CN105121988A CN 105121988 A CN105121988 A CN 105121988A CN 201480020632 A CN201480020632 A CN 201480020632A CN 105121988 A CN105121988 A CN 105121988A
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- pipeline section
- material piece
- corrugation part
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Classifications
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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
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
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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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0391—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 plate-like or laminated conduits a single plate being bent to form one or more conduits
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
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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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
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- 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 folded tube multiple bank heat exchange unit. A multiple bank, flattened tube heat exchange unit includes a first tube bank including a flattened first tube segment extending longitudinally between a first manifold and a second manifold; and a second tube bank including a flattened second tube segment extending longitudinally between the first manifold and the second manifold, the second tube bank disposed behind the first tube bank; wherein an outer surface of the first tube segment and an outer surface of the second tube segment are formed from a single sheet of material.
Description
Background technology
The present invention relates generally to heat exchanger, more particularly relates to for folded tube many groups heat exchange unit.
Heat exchanger be used as a long time heating, ventilation, air-conditioning and refrigeration (HVACR) application in evaporimeter and condenser.In history, these heat exchangers are round tube and plate-fin (RTPF) heat exchanger.But, all aluminium flat serpentine fin heat exchanger just in the industry cycle present to be applied gradually widely, comprise HVACR industry, because compared with conventional RTPF heat exchanger, they are compact, thermal-hydraulic performance is good, structural rigidity, lightweight and refrigerant loading reduce.In HVACR application, general flat tube typically has the inside being divided into multiple horizontal fluid passage again.This type of flat tube is commonly referred to as multi-channel tube, microchannel tube or micro-channel tubes in the art.Flat tube serpentine fin heat exchanger can comprise the flat tube of single pipe group and the flat tube of two or more pipe groups.
The existing manufacturing technology of flat tube comprises extrusion process.Extrusion process cost is high, and often needs special manufacturing equipment, thus often makes supply chain complicated.Moreover owing to manufacturing limitation and production cost, extrusion process is limited to certain class aluminium alloy, thus often adversely because the corrosion resistance of flat tube and whole heat exchanger.Also existing have the technology being formed folding single group flat tube by steel.
Summary of the invention
In an aspect, many group flat-pipe hot crosspoints comprise the first pipe group, and described first pipe group is included in the first pipeline section of flattening extending longitudinally between the first manifold and the second manifold; And the second pipe group, described second pipe group is included in the second pipeline section of flattening extending longitudinally between described first manifold and described second manifold, after described second pipe group is located at described first pipe group; The outer surface of wherein said first pipeline section and the outer surface of described second pipeline section are formed by single material piece.
In one aspect of the method, a kind of method forming many group flat-pipe hot crosspoints comprises the single material piece of acquisition, and described single material piece has the longitudinal axis; By the Part I of described single material piece towards described longitudinal flexion to define the outer surface of the first pipeline section; And by the Part II of described single material piece towards described longitudinal flexion to define the outer surface of the second pipeline section.
In one aspect of the method, a kind of method forming many group flat-pipe hot crosspoints comprises the single material piece of acquisition, and described single material piece has the longitudinal axis; And by the Part I of described single material piece towards described longitudinal flexion to define the outer surface of the first pipeline section and to define the outer surface of the second pipeline section.
From the description hereafter carried out by reference to the accompanying drawings, other aspects of embodiment of the present invention, characteristic sum technology will become more apparent.
Accompanying drawing explanation
In order to understand the disclosure further, with reference to being combined the hereafter detailed description of reading with accompanying drawing, wherein:
Fig. 1 is the schematic diagram diagram of the exemplary of multitube group flat tube plate-fin heat exchange unit;
Fig. 2 is local along the side view of the exemplary of the fin of the heat exchange unit of sectional view diagram 1 and one group of complete flat tube section;
Fig. 3 illustrates in exemplary the material piece forming the first pipeline section and the second pipeline section;
Fig. 4-6 illustrates in exemplary and forms the first pipeline section and the second pipeline section;
Fig. 7-9 illustrates in exemplary and forms the first pipeline section and the second pipeline section;
Figure 10-11 illustrate sheet edge in exemplary towards;
Figure 12-14 illustrates in exemplary and forms the first pipeline section and the second pipeline section;
Figure 15 illustrates in exemplary the flow chart of the process forming the first pipeline section and the second pipeline section; And
Figure 16 is the lower view of the heat exchange unit in exemplary.
Detailed description of the invention
According to the exemplary of multitube group flat tube plate-fin heat exchange unit of the present disclosure shown in the perspective diagram of Fig. 1, be expressed as 10 substantially.As shown here, after multitube group flat tube plate-fin heat exchange unit 10 comprises the first pipe group 100 and is located at the first pipe group 100, the second pipe group 200 is in downstream relative to the air stream A flowing through heat exchanger.First pipe group 100 can also be called that front heat exchanger lath 100 and the second pipe group 200 can also be called rear heat exchange lath 200 in this article in this article.
First pipe group 100 comprise the first manifold 102, with isolated second manifold 104 of the first manifold 102 and multiple heat exchange pipeline section 106, multiple heat exchange pipeline section 106 comprises at least the first and second pipeline sections, and it makes the first cylinder 102 be communicated with the second manifold 104 fluid so that parallel spaced apart relation is extending longitudinally between the first manifold 102 and the second manifold 104.Second pipe group 200 comprise the first manifold 202, with isolated second manifold 204 of the first manifold 202 and multiple heat exchange pipeline section 206, multiple heat exchange pipeline section 206 comprises at least the first and second pipeline sections, and it makes the first cylinder 202 be communicated with the second manifold 204 fluid so that parallel spaced apart relation is extending longitudinally between the first manifold 202 and the second manifold 204.The often group manifold 102,202 and 104,204 being located at the either side of two-tube group of heat exchanger 10 both sides can comprise manifold paired separately, maybe can comprise (such as, extrude, stretch, rolling welding) independent cabin in manifold assembly of complete manufacture in independent cabin in complete integrated folding manifold assembly.Each pipe group 100,200 can also comprise " puppet " pipe (not shown), and it to extend between its first and second manifold and is typically positioned at bottom pipe group top and pipe group.These " puppets " pipe does not transmit cryogen flow, but the structure support increased pipe group and protection the top and bottom fin.
With reference now to Fig. 2, each of heat exchange pipeline section 106,206 comprises the heat-exchange tube of flattening, the heat-exchange tube of this flattening comprise leading edge 108,208, trailing edge 110,210, upper surface 112,212 and lower surface 114,214.The leading edge 108,208 of each heat exchange pipeline section 106,206 is upstreams of its corresponding trailing edge 110,210 for the air stream flowing through heat exchange unit 10.In the embodiment illustrated in fig. 2, the corresponding leading part of the pipeline section 106,206 of flattening and tail portion form fillet, thus provide leading edge 108,208 and the trailing edge 110,210 of passivation.But, be appreciated that the corresponding leading part of the pipeline section 106,206 of flattening and tail portion can adopt other structures to be formed.
The internal circulation road of each of the heat exchange pipeline section 106,206 of the first and second pipe groups 100,200 can be become multiple discrete flow passage 120,220 by internal wall separates, these discrete flow passages 120,220 extend lengthwise into the port of export of pipeline section from the arrival end of pipeline section along length of pipe section, and between the corresponding bobbin carriage of the first and second pipe groups 100,200, set up fluid connection.In the embodiment of the multi-channel heat exchange tubes section 106,206 shown in Fig. 2, the heat exchange pipeline section 206 of the second pipeline section 200 has the width larger than the heat exchange pipeline section 106 of the first pipe group 100.Further, the internal circulation road of wider heat exchange pipeline section 206 can be divided into the discrete flow passage 220 of the more quantity of the discrete flow passage 120 be divided into than the internal circulation road of heat-exchange tube section 106.Circulation road 120,220 can have circular cross section, rectangular cross section or other non-circular cross sections.
Relative to airflow direction, second pipe group 200, namely rear heat exchange lath is located at the first pipe group 100, namely before before heat exchanger lath, wherein each heat exchange pipeline section 106 just aligns with corresponding heat exchange pipeline section 206, and the leading edge 208 of the heat exchanger pipeline section 206 of the second pipe group 200 is spaced apart by the trailing edge 110 of the interval G of expectation and the heat exchange pipeline section of the first pipe group 100.
In the embodiment illustrated in fig. 2, the interval G that expects along the span at least partially of the heat exchange pipeline section 106,206 often organizing alignment of elongated web 40 or multiple isolated net component 40.Further describing of relevant two-tube group of flat tube plate fin type heat exchanger unit, wherein the heat-exchange tube 106 of the first pipe group 100 is connected by elongated web or multiple net component with the heat-exchange tube 206 of the second pipe group 200, with reference to the U.S. Provisional Patent Application sequence number 61/593 that on February 2nd, 2012 submits to, 979, its complete disclosing is incorporated to herein by reference.
Refer again to Fig. 1 and Fig. 2, flat tube plate-fin heat exchange unit 10 disclosed herein also comprises multiple folded fin 320.Each folded fin 320 is formed by by banded snakelike compact-folded single continuous fin strip material, thus provides the fin 322 of the multiple tight spacing of workman's volume, and these fins 322 vertically extend with the heat exchange pipeline section 106,206 flattened substantially.Typically, the fin density of the fin 322 of the tight spacing of each continuous print folded fin 320 can be per inch about 16 to 25 fins, but also can use higher or lower fin density.Heat exchange between cryogen flow R and air stream A is undertaken by the outer surface 112,114 of heat exchange pipeline section 106 and the outer surface 212,214 of heat exchange pipeline section 206, these outer surfaces form main heat exchange surface uniformly, and undertaken by the heat exchange surface of the fin 322 of folded fin 320, the fin 322 of folded fin 320 forms auxiliary heat exchange surface.
In the shown embodiment, the degree of depth of each banded folded fin 320 at least extends to the trailing edge 210 of the second pipe group 200 from the leading edge 108 of the first pipe group 100, and can as required by front prominent for the trailing edge 210 of the leading edge 108 of the first pipe group 100 and/or the second pipe group 200.Therefore, time between the heat-exchange tube assembly that one group of adjacent multitube that folded fin 320 is arranged in the pipe assembly array of the heat exchange unit 10 of assembling flattens, first segmentation 324 of each fin 322 is arranged in the first pipe group 100, second segmentation 326 of each fin 322 is connected across between the trailing edge 110 of the first pipe group 100 and the leading edge 208 of the second pipe group 200 by interval G, and the 3rd segmentation 328 of each fin 322 is arranged in the second pipe group 200.In one embodiment, each fin 322 of folded fin 320 can be provided with louvre 330,332, and louvre 330,332 is formed in segmentation first of each fin 322 and the 3rd respectively.
Multitube group flat-pipe hot crosspoint 10 disclosed herein is illustrated as and adopts cross-counterflow to arrange, wherein from the refrigerant (being labeled as " R ") of the cryogen circuit (not shown) of refrigerant vapor compressibility (not shown) in the mode hereafter will described in further detail, to carry out the relation of heat exchange with refrigerant, by manifold and pipe group 100, the heat exchange pipeline section of 200, this refrigerant (the most common for surrounding air) flows through the air side of heat exchanger 10 along the direction of the arrow indication being labeled as " A ", by heat exchange pipeline section 106, the outer surface of 206 and the surface of folded fin 320.The horizontal surface up and down 112,114 of the air stream first heat exchange pipeline section 106 of crosscut first pipe group passes through, and then the horizontal surface up and down 212,214 of the heat exchange pipeline section 206 of crosscut second pipe group 200 passes through.Refrigerant and air stream become to intersect counter-flow arrangement to be passed through, because cryogen flow is first by the second pipe group 200, then by the first pipe group 100.Have multitube group flat tube plate-fin heat exchange unit 10 and cross-current or the cross parallel arranged in cross-counterflow loop flow back to road arranges compared with obtain excellent heat switching performance, and the decline of refrigerant lateral pressure can be managed neatly by the pipe realizing multiple width in the first pipe group 100 and the second pipe group 200.
The method manufacturing heat exchange pipeline section 106,206 and at least one net 40 is described with reference to figure 3-6.This manufacture method comprises the bending of stack material sheet to define pipeline section 106,206 and at least one net 40.Fig. 3 illustrates the stack material sheet 410 as metal (such as aluminium).Sheet 410 can be coated with brazing alloy on both sides.Sheet 410 is impressed or punching press to define recess 412 along the lateral margin of sheet 410.Recess 412 can be formed on each far-end of sheet 410 or lateral margin.Recess 412 defines the first pipeline section 106 and the second pipeline section 206 can insert the degree of depth in manifold 102,104,202 and 204.Also impress or open out groove 414 by sheet 410.Groove 414 promotes the leakage (such as, condensed water leakage-proof) of water, and prevents the hot cross-conduction between the first pipeline section 106 and the second pipeline section 206.Groove 414 is formed in the middle of the far-end of sheet 410 internal sheet 410.Recess 412 and groove 414 are formed along the center longitudinal axis of sheet 410.All the other materials along longitudinal axis C are nets 40, and it connects the first pipeline section 106 and the second pipeline section 206.Be appreciated that and have in the embodiment of different in width at pipeline section 106 and pipeline section 206, axle C is without the need to being positioned at sheet 410 center.
In an exemplary embodiment, the first pipeline section 106 and the second pipeline section 206 is formed, as Figure 4-Figure 6.With reference to figure 4, the first longitudinal edge along sheet 410 forms the first corrugation part 420.First corrugation part 420 can impress, punching press or otherwise in sheet 410 formed.First corrugation part 420 comprises a series of peak and paddy, and these peaks and paddy finally define the circulation road 120 of the first pipeline section 106.These peaks and paddy are depicted as square at Fig. 4, but are appreciated that can use other cross sections in the first corrugation part 420.Second corrugation part 422 is formed along the second longitudinal edge of sheet 410.Second corrugation part 422 can impress, punching press or otherwise in sheet 410 formed.Second corrugation part 422 comprises a series of peak and paddy, and these peaks and paddy finally define the circulation road 220 of the second pipeline section 206.These peaks and paddy are depicted as square at Fig. 4, but are appreciated that can use other cross sections in the second corrugation part 422.
As shown in Figure 4 and Figure 5, the first corrugation part 420 is inwardly bent about 180 degree along the longitudinal axis parallel with axle C towards axle C, to form the first bending 424 of the first segmentation 420.Similarly, the second corrugation part 422 is inwardly bent about 180 degree along the longitudinal axis parallel with axle C towards axle C, to form the first bending 426 of the second segmentation 422.As shown in Figure 5 and Figure 6, similarly, the first corrugation part 420 is inwardly bent about 180 degree along the longitudinal axis parallel with axle C towards axle C, to form the second bending 425 of the first segmentation 420.Similarly, the second corrugation part 422 is inwardly bent about 180 degree along the longitudinal axis parallel with axle C towards axle C, to form the second bending 427 of the second segmentation 422.These two bending steps form the first pipeline section 106 and the second pipeline section 206.Corrugation part 420 and 422 defines the circulation road 120 and 220 in the first pipeline section 106 and the second pipeline section 206 respectively.First bending 424 of the first segmentation 420 corresponds to the trailing edge 110 of the first pipeline section 106.Second bending 425 of the first segmentation 420 corresponds to the leading edge 108 of the first pipeline section 106.First bending 426 of the second segmentation 422 corresponds to the leading edge 208 of the second pipeline section 206.Second bending 427 of the second segmentation 422 corresponds to the trailing edge 210 of the second pipeline section 206.In figs. 4-6, the outer surface of the outer surface of the first pipeline section 106, circulation road 120, second pipeline section 206, circulation road 220 and at least one net 40 are formed by single 410.
The first pipeline section 106 formed is connected by least one net 40 with the second pipeline section 206.Then known technology can be used, as the first pipeline section 106 and the second pipeline section 206 is welded in controlled atmosphere soldering.Corrugation part 420 and 422 is sealed to adjacent sheet to seal the first pipeline section 106 and the second pipeline section 206 by soldering processes.In an alternative embodiment, multiple first pipeline section 106 and the second pipeline section 206 are assembled into manifold 102,104,202 and 204 together with folded fin 302.Then known technology is used, as whole assembly is welded in controlled atmosphere soldering.
The alternative manufacturing heat exchange pipeline section 106,206 and net 40 is described with reference to figure 7-9.This manufacture method comprises and is bent to define pipeline section 106,206 and at least one net 40 by stack material sheet 410.Before the bend, as described with reference to figure 3, one or more recess 412 and/or one or more groove 414 can be formed in sheet 410 above.
As Figure 7-9, the first pipeline section 106 and the second pipeline section 206 is formed.With reference to figure 7, the first corrugation part 420 is formed along first longitudinal axis of sheet 410, and first longitudinal axis, in sheet 410, is close to central shaft C.The first corrugation part 420 can be formed by the individual member tablet be placed in above sheet 410.First corrugation part 420 comprises a series of peak and paddy, and these peaks and paddy finally define the circulation road 120 of the first pipeline section 106.These peaks and paddy are depicted as square at Fig. 7, but are appreciated that can use other cross sections in the first corrugation part 420.Second corrugation part 422 is formed along second longitudinal axis of sheet 410, and second longitudinal axis, in sheet 410, is close to central shaft C, and is positioned at the axle C opposite side relative with the first corrugation part 420.Second corrugation part 422 can be formed by the individual member tablet be placed in above sheet 410.Second corrugation part 422 comprises a series of peak and paddy, and these peaks and paddy finally define the circulation road 220 of the second pipeline section 206.These peaks and paddy are depicted as square at Fig. 7, but are appreciated that can use other cross sections in the second corrugation part 422.
As shown in Figure 7 and Figure 8, the first segmentation 411 of sheet 410 is inwardly bent about 180 degree along the longitudinal axis parallel with axle C towards axle C, to form the first bending 424 of the first segmentation 411.Similarly, the second corrugation part 413 is inwardly bent about 180 degree along the longitudinal axis parallel with axle C towards axle C, to form the first bending 426 of the second segmentation 413.As shown in Figure 8 and Figure 9, the first corrugation part 411 is bent downwards along the longitudinal axis parallel with axle C towards axle C, to form the second bending 425 of the first segmentation 411.Similarly, the second segmentation 413 is bent downwards along the longitudinal axis parallel with axle C towards axle C, to form the second bending 427 of the second segmentation 413.These two bending steps form the first pipeline section 106 and the second pipeline section 206.Corrugation part 420 and 422 defines the circulation road 120 and 220 in the first pipeline section 106 and the second pipeline section 206 respectively.First bending 424 of the first segmentation 411 corresponds to the leading edge 108 of the first pipeline section 106.Second bending 425 of the first segmentation 420 corresponds to the leading edge 110 of the first pipeline section 106.First bending 426 of the second segmentation 413 corresponds to the trailing edge 210 of the second pipeline section 206.Second bending 427 of the second segmentation 413 corresponds to the leading edge 208 of the second pipeline section 206.
The outer surface of the first pipeline section 106, the outer surface of the second pipeline section 206 and at least one net 40 are formed by single stack material sheet 410.
The first pipeline section 106 formed is connected by least one net 40 with the second pipeline section 206.Then known technology can be used, as the first pipeline section 106 and the second pipeline section 206 is welded in controlled atmosphere soldering.Corrugation part 420 and 422 is sealed to adjacent sheet to seal the first pipeline section 106 and the second pipeline section 206 by soldering processes.In an alternative embodiment, multiple first pipeline section 106 and the second pipeline section 206 are assembled into manifold 102,104,202 and 204 together with folded fin 320.Then known technology is used, as whole assembly is welded in controlled atmosphere soldering.
In Fig. 4-9, the overbending direction of sheet 410 is exemplary, and can use when formation first pipeline section 106 and the second pipeline section 206 multiple different bending towards.Such as, Figure 10 is the zoomed-in view of second bending 425 in Fig. 9.As shown in Figure 10, the edge 429 of sheet 410 defines the end of bending 425.Edge 429 can be bent inwards towards pipeline section 106.As shown in figure 11, edge 429 outwards can be bent towards net 40.This is only an example of the alternative overbending direction that can use on some sections of the first pipeline section 106 and the second pipeline section 206.Moreover, the local characteristic of such as nested pit, overlap and rib can be incorporated in this design to promote soldering, structural strength etc.
The alternative manufacturing heat exchange pipeline section 106,206 and net 40 is described with reference to figure 12-14.This manufacture method comprises and is bent to define pipeline section 106,206 and at least one net 40 by stack material sheet 410.Before the bend, as described with reference to figure 3, in sheet 410, one or more recess 412 and/or one or more groove 414 can be formed between the first corrugation part 420 and the position of the second corrugation part 422 above.
As shown in figs. 12-14, the first pipeline section 106 and the second pipeline section 206 is formed.With reference to Figure 12, first longitudinal axis along sheet 410 forms the first corrugation part 420.First corrugation part 420 can be able to be maybe the individual member tablet be placed in above sheet 410 by impressing sheet 410 and formed.First corrugation part 420 comprises a series of peak and paddy, and these peaks and paddy finally define the circulation road 120 of the first pipeline section 106.These peaks and paddy are depicted as square at Figure 12, but are appreciated that can use other cross sections in the first corrugation part 420.
Second corrugation part 422 is formed along second longitudinal axis of sheet 41, and second longitudinal axis is positioned at the axle C side identical with the first corrugation part 420.Second corrugation part 422 can be able to be maybe the individual member tablet be placed in above sheet 410 by impressing sheet 410 and formed.Second corrugation part 422 comprises a series of peak and paddy, and these peaks and paddy finally define the circulation road 220 of the second pipeline section 206.These peaks and paddy are depicted as square at Figure 12, but are appreciated that can use other cross sections in the second corrugation part 422.
What formed in sheet 410 also has rib 440, and rib 440 can by impressing sheet 410 and being formed.Rib 440 is substantially rectangle, and is formed along the longitudinal axis parallel with longitudinal axis C.Rib 440 has roughly corresponding with net 40 width.One or more recess 412 and one or more groove 414 can be formed, to correspond in net 40 and the recess formed between the first corrugation part 420 and the second corrugation part 422 and/or groove in rib 440.
As shown in Figure 12 and Figure 13, the first segmentation 411 (comprising rib 440) of sheet 410 is inwardly bent about 180 degree along the longitudinal axis parallel with axle C towards axle C, to form the first bending 424 of the first segmentation 411.This will and the juxtaposed rib 440 of net 40 be placed between the first corrugation part 420 and the second corrugation part 422.As shown in Figure 13 and Figure 14, the edge of the first segmentation 411 is bent along the longitudinal axis parallel with axle C towards axle C, to form the second bending 426 of the first segmentation 411.These bending steps form the first pipeline section 106 and the second pipeline section 206.Corrugation part 420 and 422 defines the circulation road 120 and 220 in the first pipeline section 106 and the second pipeline section 206 respectively.First bending 424 of the first segmentation 411 corresponds to the trailing edge 210 of the second pipeline section 206.Second bending 426 of the first segmentation 411 corresponds to the leading edge 108 of the first pipeline section 106.First inwall 425 of rib 440 corresponds to the trailing edge 110 of the first pipeline section 106.Second inwall 427 of rib 440 corresponds to the leading edge 208 of the second pipeline section 206.
The outer surface of the first pipeline section 106, the outer surface of the second pipeline section 206 and at least one net 40 are formed by single stack material sheet 410.
The first pipeline section 106 formed is connected by least one net 40 with the second pipeline section 206.Then known technology can be used, as the first pipeline section 106 and the second pipeline section 206 is welded in controlled atmosphere soldering.Corrugation part 420 and 422 is sealed to adjacent sheet to seal the first pipeline section 106 and the second pipeline section 206 by soldering processes.In an alternative embodiment, multiple first pipeline section 106 and the second pipeline section 206 are assembled into manifold 102,104,202 and 204 together with folded fin 320.Then known technology is used, as whole assembly is welded in controlled atmosphere soldering.
Figure 15 is the flow chart of the process forming the first pipeline section and the second pipeline section in exemplary.This process starts from 500, wherein obtains sheet 410.Sheet 410 can be metal (such as aluminium) and can be coated with brazing alloy on both sides.At 502 places, recess 412 can be formed in every one end of sheet 410 around the longitudinal axis.Groove 414 can also be formed along the longitudinal axis at 502 places.
At 504 places, sheet 410 forms corrugation part 420 and 422.This may need corrugation part impression or be stamped in sheet 410.As alternative, as Figure 7-9, this may need to use the second material piece being wherein formed with corrugation.At 506 places, the outer segmentation of sheet material towards Y inner bending to form the first pipeline section 106 and the second pipeline section 206.At 508 places, perform soldering.This may need only soldering first pipeline section 106 and the second pipeline section 206.As alternative, multiple first pipeline section 106 and the second pipeline section 206 be assembled into manifold 102,104,202 and 204 together with folded fin 320, then perform soldering.
By sheet 410 bending is formed pipeline section 106,206 and net 40, like this without the need to extrusion process, thus allow to carry out pipe manufacturer at heat exchanger manufacturer scene, reduce logistic complexity, improve reliability and significant cost savings are provided.In addition, the material system limitation that extrusion process produces can be avoided and can be significantly improved heat exchanger corrosion resistance.
Be appreciated that and multiple pipe can be adopted to bend figure, and this will not deviate from the spirit and scope of the present invention.Moreover, pipeline section 106,206 at least one of them can not have inner gateway, expression can be loaded with independent fluid.In the later case, the manifold in the first pipe group 100 and the second pipe group 200 separates, and pipe group has independent inlets pipe and outlet.This situation shown in Figure 16, Figure 16 is the lower view of heat exchange unit 10, and wherein the manifold 102,104 of the first pipe group 100 is not communicated with manifold 202,204 fluid of pipe group 200.First pipe group 100 and the second pipe group 200 have independently inlet tube 142,242 and outlet 144,244 respectively.
Although the present invention specifically illustrates with reference to exemplary embodiment shown in the drawings and describes, those skilled in the art recognize that, can multiple amendment be carried out under the prerequisite not deviating from spirit and scope of the invention.Therefore, the disclosure ought to be not limited to disclosed specific embodiments, but the disclosure will comprise falling all embodiments within the scope of the appended claims.
Claims (29)
1. organize a flat-pipe hot crosspoint, it comprises more:
First pipe group, described first pipe group is included in the first pipeline section of flattening extending longitudinally between the first manifold and the second manifold; And
Second pipe group, described second pipe group is included in the second pipeline section of flattening extending longitudinally between described first manifold and described second manifold, after described second pipe group is located at described first pipe group;
The outer surface of wherein said first pipeline section and the outer surface of described second pipeline section are formed by single material piece.
2. many group flat-pipe hot crosspoints as claimed in claim 1, it also comprises:
At least one net, at least one net described connects described first pipeline section and described second pipeline section.
3. many group flat-pipe hot crosspoints as claimed in claim 2, wherein:
The outer surface of described first pipeline section, the outer surface of described second pipeline section and at least one net described are formed by single material piece.
4. many group flat-pipe hot crosspoints as claimed in claim 1, it also comprises:
Be positioned at the first corrugation part of described first pipeline section, described first corrugation part defines multiple discrete flow passage in described first pipeline section.
5. many group flat-pipe hot crosspoints as claimed in claim 4, wherein:
The outer surface of described first corrugation part and described first pipeline section is formed by single material piece.
6. many group flat-pipe hot crosspoints as claimed in claim 5, it also comprises:
Be positioned at the second corrugation part of described second pipeline section, described second corrugation part defines multiple discrete flow passage in described second pipeline section.
7. many group flat-pipe hot crosspoints as claimed in claim 6, wherein:
The outer surface of described second corrugation part and described second pipeline section is formed by single material piece.
8. many group flat-pipe hot crosspoints as claimed in claim 6, wherein:
Described second corrugation part is formed by the second material piece.
9. many group flat-pipe hot crosspoints as claimed in claim 4, wherein:
Described first corrugation part is formed by the second material piece.
10. many group flat-pipe hot crosspoints as claimed in claim 1, it also comprises:
The recess formed in described single material piece, described recess is between described first pipeline section and described second pipeline section, and described recess is close to the far-end of described first pipeline section and described second pipeline section.
11. many group flat-pipe hot crosspoints as claimed in claim 1, it also comprises:
At least one groove formed in described single material piece, described slot is between described first pipeline section and described second pipeline section, and described slot is in the middle of the far-end of described first pipeline section and described second pipeline section.
12. 1 kinds form the method organizing flat-pipe hot crosspoint more, and described method comprises:
Obtain single material piece, described single material piece has the longitudinal axis;
By the Part I of described single material piece towards described longitudinal flexion to define the outer surface of the first pipeline section; And
By the Part II of described single material piece towards described longitudinal flexion to define the outer surface of the second pipeline section.
13. methods as claimed in claim 12, it also comprises:
Define the first corrugation part, described first corrugation part defines multiple discrete flow passage in described first pipeline section.
14. methods as claimed in claim 13, wherein:
Described first corrugation part is included in the Part I of described single material piece and forms described first corrugation part.
15. methods as claimed in claim 14, it also comprises:
Define the second corrugation part, described second corrugation part defines multiple discrete flow passage in described second pipeline section.
16. methods as claimed in claim 15, wherein:
Described second corrugation part is included in the Part II of described single material piece and forms described second corrugation part.
17. methods as claimed in claim 15, wherein:
Described second corrugation part is included in the second material piece and forms described second corrugation part.
18. methods as claimed in claim 13, wherein:
Described first corrugation part is included in the second material piece and forms described first corrugation part.
19. methods as claimed in claim 12, it also comprises:
In described single material piece, form recess, described recess is positioned at the far-end of the described material piece along the described longitudinal axis.
20. methods as claimed in claim 12, it also comprises:
In described single material piece, form at least one groove, described slot is in the middle of the far-end of the described material piece along the described longitudinal axis.
21. methods as claimed in claim 12, it also comprises:
First pipeline section described in soldering and described second pipeline section.
22. methods as claimed in claim 12, it also comprises:
Described first pipeline section and described second pipeline section and the first manifold and the second manifold are assembled; And
By the first pipeline section of described assembling, described second pipeline section, described first manifold and described second manifold soldering.
23. methods as claimed in claim 12, wherein:
Described single material piece is coated with brazing material.
24. 1 kinds form the method organizing flat-pipe hot crosspoint more, and described method comprises:
Obtain single material piece, described single material piece has the longitudinal axis;
By the Part I of described single material piece towards described longitudinal flexion to define the outer surface of the first pipeline section and to define the outer surface of the second pipeline section.
25. methods as claimed in claim 24, it also comprises:
Before bending, in described material piece, form the first corrugation part and the second corrugation part.
26. methods as claimed in claim 25, it also comprises:
Before described bending, form rib in a first portion.
27. methods as claimed in claim 26, wherein:
Described bending time, described rib is placed between described first corrugation part and described second corrugation part.
28. methods as claimed in claim 26, it also comprises:
In described single material piece, form recess, described recess is between described first pipeline section and described second pipeline section, and described recess is positioned at the far-end of contiguous described first pipeline section and described second pipeline section, and
Recess is formed, wherein when bending, by the described recesses align in the described recess in described rib and described single material piece in described rib.
29. methods as claimed in claim 26, it also comprises:
In described single material piece, form at least one groove, described slot is between described first pipeline section and described second pipeline section, and described slot is in the middle of the far-end of described first pipeline section and described second pipeline section; And
In described rib, form at least one groove, wherein when bending, by least one groove described in described rib with in described single material piece described at least one groove align.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361810338P | 2013-04-10 | 2013-04-10 | |
| US61/810338 | 2013-04-10 | ||
| PCT/US2014/031942 WO2014168760A1 (en) | 2013-04-10 | 2014-03-27 | Folded tube multiple bank heat exchange unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105121988A true CN105121988A (en) | 2015-12-02 |
Family
ID=50588932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480020632.2A Pending CN105121988A (en) | 2013-04-10 | 2014-03-27 | Folded tube multiple bank heat exchange unit |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20160054075A1 (en) |
| EP (1) | EP2984433A1 (en) |
| CN (1) | CN105121988A (en) |
| WO (1) | WO2014168760A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10180289B2 (en) * | 2014-01-30 | 2019-01-15 | Dana Canada Corporation | Flow balanced heat exchanger for battery thermal management |
| US10514204B2 (en) * | 2014-09-05 | 2019-12-24 | Carrier Corporation | Multiport extruded heat exchanger |
| JP2018513342A (en) * | 2015-04-21 | 2018-05-24 | アアヴィッド・サーマロイ・エルエルシー | Thermosiphon with multi-port tube and flow arrangement |
| WO2018180934A1 (en) * | 2017-03-27 | 2018-10-04 | ダイキン工業株式会社 | Heat exchanger and refrigeration device |
| JP6880901B2 (en) * | 2017-03-27 | 2021-06-02 | ダイキン工業株式会社 | Heat exchanger unit |
| KR102660499B1 (en) * | 2019-01-08 | 2024-04-24 | 현대모비스 주식회사 | Tube assembly for heat management apparatus and manufacturing method thereof |
| EP3722720B1 (en) * | 2019-04-09 | 2023-05-10 | Pfannenberg GmbH | Heat exchanger arrangement, method for producing a heat exchanger arrangement and use of a heat exchanger arrangement |
| DE102020207067A1 (en) * | 2020-06-05 | 2021-12-09 | Mahle International Gmbh | Flat tube and heat exchanger with a flat tube |
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- 2014-03-27 CN CN201480020632.2A patent/CN105121988A/en active Pending
- 2014-03-27 WO PCT/US2014/031942 patent/WO2014168760A1/en active Application Filing
- 2014-03-27 US US14/783,459 patent/US20160054075A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2014168760A1 (en) | 2014-10-16 |
| US20160054075A1 (en) | 2016-02-25 |
| EP2984433A1 (en) | 2016-02-17 |
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Application publication date: 20151202 |