CN106482566A - For the heat exchanger tube of heat exchanger, heat exchanger and its assembly method - Google Patents
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- CN106482566A CN106482566A CN201510527457.2A CN201510527457A CN106482566A CN 106482566 A CN106482566 A CN 106482566A CN 201510527457 A CN201510527457 A CN 201510527457A CN 106482566 A CN106482566 A CN 106482566A
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- heat exchanger
- exchanger tube
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- fin
- breach
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Abstract
The embodiment provides a kind of heat exchanger tube for heat exchanger, heat exchanger and its assembly method.At least one breach is had on the outer surface of described heat exchanger tube, at least one breach described is used for accommodating plug-in unit with by described heat exchanger tube expanded joint corresponding fin hole in described heat exchanger.
Description
Technical field
The present invention relates to HVAC, automobile, refrigeration and transport field, more particularly, to evaporate
The heat exchangers such as device, condenser, heat pump heat exchanger and water tank and its assembly method and this heat exchanger institute
The heat exchanger tube using.
Background technology
At present, the technology manufacturing heat exchanger typically has two kinds, and one kind is mechanical expanding technology, another
Planting is soldering tech.
As Figure 1-3, show a kind of common fin-tube type heat exchanger 10.This tube fin type heat exchange
Device 10 includes multiple fins 1, and each fin in the plurality of fin 1 is provided with fin hole 2；
Multiple heat exchanger tubes 3, each heat exchanger tube in the plurality of heat exchanger tube 3 makes through corresponding fin hole
Multiple fins are laminated to each other together；At least one elbow 4, every at least one elbow 4 described
Individual elbow is configured to connect corresponding two heat exchanger tubes in multiple heat exchanger tubes 3；With at least one collection
Flow tube 5, is configured to direct fluid in corresponding heat exchanger tube 3, and described fluid is finally led
Go out the outside to described fin-tube type heat exchanger 10.Specifically, in heat exchanger tube by cold-producing medium fin
Between by the medium of such as air.
As illustrated, generally, heat exchanger tube 3 is circular, and fin hole 2 is also circular.Fin
The diameter in hole 2 is slightly larger than the diameter of heat exchanger tube 3, and fin 1 penetrates heat exchanger tube 3, and waits whole wings
After piece installation, then stretched into swollen 6 of electric tube expander and in heat exchanger tube 3, carry out tube expansion.Tube expansion
Swollen 6 diameters of machine are slightly larger than the diameter of fin hole 2.It is ensured that heat exchanger tube 3 He after tube expansion
Fin 1 fits tightly.
As shown in figure 4, showing a kind of microchannel/parallel-flow heat exchanger 20.This heat exchanger 20 wraps
Include two headers 21, the multiple flat heat exchange pipe 22, adjacent extending between two headers 21
Heat exchanger tube 22 between be provided with multiple fins 23.In addition, additionally illustrate being arranged on header 21
The end cap 24 of one end, it is arranged on the baffle plate 25 of intracavity of header 21, is arranged on heat exchanger 20 1
Side plate 26 on side and be arranged on the inlet/outlet accessory 27 on header 21.
All parts of this heat exchanger 20 are all made of aluminum.Flat heat exchange pipe 22 and fin 23 are as schemed institute
Show that tying up tightly feeding soldering oven afterwards is welded, after coming out of the stove, fin 23 and flat heat exchange pipe 22 are welded on
Together, brazing process includes brazing flux spraying, is dried, heats, welding, cooling down etc..
It is well known, however, that identical size of heat exchanger, the hydraulic diameter of heat exchanger tube is less, changes
Hot property can be higher, and the cost of material is lower.But mechanical expanding technology is subject to the shadow of heat exchanger tube diameter
Sound is larger, can be only applied to the heat exchanger tube with diameter greater than 5mm at present.
Additionally, for conventional heat exchanger tube it is contemplated that the factor such as cost and heat exchange efficiency, typically
Wall thickness is designed as very thin, and, leads it is easy to burst tube wall using during mechanical expanding technology
Cause product rejection.
For another kind of soldering tech, can be used for the heat exchanger of small hydro diameter heat exchanger tube.
Micro-channel heat exchanger generally adopts this technology, and has preferable heat exchange property.But, one
Aspect, soldering processes are complicated, and equipment investment is high, greatly limit the problems such as unstable product quality
The market competitiveness of micro-channel heat exchanger；On the other hand, because product needed is welded through high temperature
Connect, so anticorrosive coat and hydrophilic layer cannot be done on fin material, Corrosion Protection and drainability ratio
Fin-tube type heat exchanger is poor.
Content of the invention
Present invention aim to address or at least alleviating the deficiency of above-mentioned two kind solder technology or lack
Point.
According to an aspect of the invention, it is provided a kind of heat exchanger tube for heat exchanger, wherein institute
State and at least one breach is had on the outer surface of heat exchanger tube, at least one breach described is used for accommodating slotting
Part is with by described heat exchanger tube expanded joint corresponding fin hole in described heat exchanger.
In one example, the outer surface of described heat exchanger tube is substantial circular or Long Circle, described wing
Film perforation has and described heat exchanger tube identical shape.
In one example, described breach be along the bearing of trend of heat exchanger tube towards heat exchanger tube in
The recess that passage concaves.
In one example, described breach be circular, square, rectangle, oval or
Swallow-tail form.
In one example, described heat exchanger tube be single hole, porous or pore.
In one example, described plug-in unit has the shape corresponding with described breach.
In one example, described plug-in unit is interior tube expansion.
In one example, described interior tube expansion be hollow, solid, porous, circular,
Non-circular or swallow-tail form.
In one example, the external diameter of described heat exchanger tube is slightly less than the interior of corresponding fin hole
Footpath.
According to a further aspect in the invention, there is provided a kind of heat exchanger, described heat exchanger includes：
Multiple fins, each fin in the plurality of fin is provided with fin hole；
Multiple heat exchanger tubes, each heat exchanger tube in the plurality of heat exchanger tube makes through corresponding fin hole
Obtain multiple fins to be laminated to each other together；
At least one of wherein said heat exchanger tube is according to above-mentioned heat exchanger tube.
A kind of further aspect according to the present invention, there is provided assembling side according to above-mentioned heat exchanger
Method, including：
Each heat exchanger tube in multiple heat exchanger tubes is penetrated corresponding fin hole in multiple fins, thus
Multiple fins are laminated to each other together；
Plug-in unit is inserted in the breach of each heat exchanger tube so that each heat exchanger tube and described fin hole
Inwall expanded joint together.
In an embodiment of the present invention, technical scheme possesses following Advantageous Effects：
1st, embodiments of the invention solve for fine or little internal diameter heat exchanger tube cannot tube expansion technology
Problem；
2nd, embodiments of the invention, without adopting soldering processes, can substantially reduce manufacturing cost；
3rd, embodiments of the invention reduce the heat exchanger tube risk of rupture that in conventional heat transfer pipe, expansible band comes.
Brief description
These and/or other aspect of the present invention and advantage are from below in conjunction with the accompanying drawings to preferred embodiment
Will be apparent from description with easy to understand, wherein：
Fig. 1 is the topology view of fin-tube type heat exchanger in the prior art；
Fig. 2 a and 2b is to be the side view of fin and front view in Fig. 1 respectively；
Fig. 3 is the view using electric tube expander tube expansion for the fin in Fig. 1；
Fig. 4 is the topology view of microchannel/parallel-flow heat exchanger in the prior art；
Fig. 5 a and 5b be respectively the fin being assembled together according to an embodiment of the invention and
The topology view of heat exchanger tube and front view；
Fig. 5 c is the detailed view of the circle A in Fig. 5 b；
Fig. 5 d is the topology view of fin；
Fig. 6 a-6b is to illustrate that the front view of an example of the heat exchanger tube in Fig. 5 a and structure regard respectively
Figure；
Fig. 6 c-6d is front view and the structure of another example illustrating the heat exchanger tube in Fig. 5 a respectively
View；
Fig. 6 e-6f is front view and the structure of another example illustrating the heat exchanger tube in Fig. 5 a respectively
View；
Fig. 6 g-6h is front view and the structure of another example illustrating the heat exchanger tube in Fig. 5 a respectively
View；
Fig. 6 i-6j is the front view of another example illustrating the heat exchanger tube in Fig. 5 a respectively and structure regards
Figure；
Fig. 7 a and 7b is the fin being assembled together according to another embodiment of the invention respectively
Topology view and front view with heat exchanger tube；
Fig. 7 c is the detailed view of the circle B in Fig. 7 b；
Fig. 7 d-7h is the view of each example of plug-in unit；
Fig. 8 a is the fin being assembled together and heat exchanger tube according to still another embodiment of the invention
Front view；
Fig. 8 b is the detailed view of the circle C in Fig. 8 a.
Specific embodiment
Below by embodiment, and combine accompanying drawing 1-8b, technical scheme is made further
Specific description.In the description, same or analogous drawing reference numeral indicates same or analogous portion
Part.Following explanations to embodiment of the present invention referring to the drawings are intended to the overall invention structure to the present invention
Think of explains, and is not construed as one kind restriction to the present invention.
As shown in figure 5a and 5b, show according to an embodiment of the invention being assembled together
Heat exchanger tube 51 and fin 52 structure 50 view.As discussed in background section,
Those skilled in the art are it will be appreciated that the heat exchanger tube 51 described in embodiments of the invention and fin 52
Combinative structure can be used in fin-tube type heat exchanger in it is also possible to be used in microchannel/parallel-flow heat exchanger
In.In view of the knot to fin-tube type heat exchanger and microchannel/parallel-flow heat exchanger in the introduction
Structure is carried out specifically, therefore, here no longer describes fin-tube type heat exchanger in detail and microchannel/concurrent flow changes
The concrete structure of hot device, the dress that those skilled in the art can directly be provided with the embodiment of the present invention
Fit over fin together and the structure division of heat exchanger tube substitutes the corresponding portion in above-mentioned corresponding heat exchanger
Point.In other words, heat exchanger tube of the present invention can be used for various heat exchangers as needed, and not
It is limited to the particular type of above-mentioned heat exchanger.
In actual assembling process, first fin 52 is in layer superimposed, Ran Houtong
Cross heat exchanger tube to be together in series, thus defining structure as shown in Figure 5 a.
In one example, the outer surface of heat exchanger tube 51 is substantial circular, accordingly, fin hole 53
(referring to Fig. 5 d) also has the shape of substantial circular.It is, fin hole 53 and heat exchanger tube 51
Shape needs to keep identical or matches.So that heat exchanger tube 51 can pass through on fin 52
The external diameter of heat exchanger tube 51 generally is arranged to be slightly less than the internal diameter of fin hole 53 by fin hole 53.When
So, those skilled in the art can specifically arrange the size relationship between them as needed.
Referring to Fig. 5 c and 5d it can be seen that having some spaces between heat exchanger tube 51 and fin hole 53
Or gap 54.This gap 54 is the surplus of fin hole 53 heat exchanger tube 51 relatively, so that heat exchange
Pipe 51 is easy to stack layer or fin bag through fin.
As illustrated in figs. 5 a-5 c, the outer surface of heat exchanger tube 51 has at least one breach 55, described
Breach 55 is used for accommodating plug-in unit (will be described below in detail) to correspond to heat exchanger tube 51 expanded joint
Fin hole 53 in.Described breach 55 be along the bearing of trend of heat exchanger tube towards heat exchanger tube 51 in
The recess that concaves of passage 56.It is appreciated that although illustrate only each heat exchange in Fig. 5 a-5c
Pipe 51 has a breach 55, but those skilled in the art can be arranged as required to multiple lacking
Mouthful, and it is not limited to the situation illustrating.
Referring to Fig. 6 a and 6b, show that heat exchanger tube 51 has the cross section of substantial circular, and arrange
There is an of roughly semicircular breach 55.Additionally, heat exchanger tube 51 has heat exchanger channels 56.
Referring to Fig. 6 c and 6d, show that heat exchanger tube 51 has the cross section of substantial circular, and arrange
There is an of roughly semicircular breach 55.But, heat exchanger tube 51 has four heat exchanger channels 56.
Referring to Fig. 6 e and 6f, show that heat exchanger tube 51 has the cross section of substantial circular, and arrange
There is the breach 55 of a substantially swallow-tail form.Additionally, heat exchanger tube 51 has four heat exchanger channels 56.
Referring to Fig. 6 g and 6h, show that heat exchanger tube 51 has the cross section of general oval, and set
It is equipped with an of roughly semicircular breach 55.Additionally, heat exchanger tube 51 has four heat exchanger channels
56.
Referring to Fig. 6 i and 6j, show that heat exchanger tube 51 has the cross section of substantial circular, and be provided with
The breach 55 of one general triangular.Additionally, heat exchanger tube 51 has four heat exchanger channels 56.
By above-mentioned diagram, the heat exchanger tube 51 described in the embodiment of the present invention can be single hole
, porous, pore etc., that is, the quantity of the heat exchanger channels 56 in heat exchanger tube 51 is permissible
Selected as needed.That on the side of heat exchanger tube 51, the breach 55 of setting can be circular, square
, swallow-tail form or other non-circular shape etc..It should be noted that described herein changes
The quantity of the quantity of the heat exchanger channels of heat pipe 51, cross sectional shape and breach and shape can arbitrarily be carried out
Combination, and it is not limited to the situation illustrating.When heat exchanger tube 51 has multiple heat exchanger channels, Ke Yi
Different fluids are flow through in different heat exchanger channels.
Referring to Fig. 7 a and 7b, show the knot after insertion plug-in unit in the structure shown in Fig. 5 a and 5b
Structure view and front view.After heat exchanger tube 51 passes through fin hole 53, in the side of heat exchanger tube 51
Insertion plug-in unit 57.After heat exchanger tube 51 is open, completely attaches to the inwall of fin hole 53, change
Gap 54 between the inwall of heat pipe 51 and fin hole 53 eliminates (referring to Fig. 7 c), with reach with
Mechanical expanding identical purpose.Plug-in unit 57 is left in heat exchanger tube 51 and fin 52 after completing insertion
Between do not further take out, be allowed to be formed completely the firm support of exchange heat pipe 51.
From Fig. 7 c, plug-in unit 57 tightly supports heat exchanger tube 51 so that heat exchanger tube 51 to
One side shifting the inwall close contact with fin hole 53, thus eliminate heat exchanger tube 51 and fin
The purpose to reach expanded joint for the gap 54 between hole 53.
Referring to Fig. 7 d-7h, show the topology view of each embodiment of plug-in unit 57.As schemed
Show, described plug-in unit 57 is interior tube expansion in one example, can be hollow, solid, porous
, circular, non-circular, square, swallow-tail form, etc..The concrete shape of plug-in unit 57
Need corresponding with the shape of the breach 55 on corresponding heat exchanger tube 51.It should be noted that inserting
Part can be used as reservoir or overheated supercooling tube.
Referring to Fig. 8 a and 8b, show another form of fin and heat exchanger tube.Specifically, fin
Hole 53 is designed to slotted hole to improve the contact area between heat exchanger tube 51 and fin 52, accordingly
Ground, heat exchanger tube 51 can also make shape with matching.
In such fit system, heat exchanger tube 51 can be that single hole is hollow or porous
Hollow, or the form for multiple-pass capillary tube.Correspondingly, plug-in unit 57 can also be solid,
Hollow, porous, and profile can be non-circular.It is appreciated that they specifically set
The form of putting can be selected as needed.
As described above, in one example, needing to be less than 5mm for the diameter of heat exchanger tube, excellent
Selection of land is less than 4mm or 3mm, or during even more preferably less than 2mm or 1mm, it is possible to use this
The described plug-in unit 57 of invention is realized firmly being connected heat exchanger tube 51 with fin 52, this and mechanical expanding
The technique effect of technology or soldering tech is same or about.In one example, the present invention
Heat exchanger tube can also be applied to plug-in unit diameter be less than 5mm situation, preferably less than 4mm or
3mm, or even more preferably less than 2mm or 1mm.
In another embodiment of the invention, there is provided a kind of heat exchanger is it is characterised in that described
Heat exchanger includes：
Multiple fins, each fin in the plurality of fin is provided with fin hole；
Multiple heat exchanger tubes, each heat exchanger tube in the plurality of heat exchanger tube makes through corresponding fin hole
Obtain multiple fins to be laminated to each other together；
At least one of wherein said heat exchanger tube is above-mentioned heat exchanger tube.
In view of used in described heat exchanger, heat exchanger tube is identical with above-mentioned heat exchanger tube, therefore detail
It is not repeated.
In a further embodiment of the present invention, there is provided a kind of assembly method of above-mentioned heat exchanger,
Including：
Each heat exchanger tube in multiple heat exchanger tubes is penetrated corresponding fin hole in multiple fins, thus
Multiple fins are laminated to each other together；
Plug-in unit is inserted in the breach of each heat exchanger tube so that each heat exchanger tube and described fin hole
Inwall expanded joint together.
In view of heat exchanger tube is identical with above-mentioned heat exchanger tube used in the assembly method of described heat exchanger,
Therefore detail is not repeated.
In each example of the present invention, the heat exchanger tube, heat exchanger and the corresponding assembling side that are provided
Method can have advantages below：
1) embodiments of the invention allow heat exchanger tube to make capillary tube, change beneficial to pipe heat and intensity
Kind；
2) the middle plug-in unit of the present invention can improve heat exchanger tube as reservoir or overheated supercooling tube
Heat exchange；
3) embodiments of the invention solve conventional mechanical expanded joint cannot the asking of expanded joint small dimension heat exchanger tube
Topic；
4) embodiments of the invention solve the problems, such as partial fracture and the expanded joint process that Hydraulic expansion-jointing brings
In sealing problem；
5) heat exchanger tube can be made variation by embodiments of the invention, and carrying out according to actual needs must
The adjustment wanted.
6) with respect to conventional microchannel porous heat transfer flat tube, this seed wing piece assembling mode does not need to weld
Technique, contributes to reduces cost.
7) compared with conventional micro-channel flat, this heat exchanger tube contributes to defrosting and solidifying with the assembling of fin
The discharge bearing water, for popularization application value under refrigeration air conditioner heat pump operating mode for the Thermal Performance of Micro Channels pipe
Great.
These are only some embodiments of the present invention, it will be appreciated by the skilled addressee that not
In the case of deviating from principle and the spirit of this present general inventive concept, these embodiments can be made and changing
Become, the scope of the present invention is limited with claim and their equivalent.
Claims (11)
1. a kind of heat exchanger tube for heat exchanger, the outer surface of wherein said heat exchanger tube has at least
One breach, at least one breach described be used for accommodating plug-in unit with by described heat exchanger tube expanded joint described
In corresponding fin hole in heat exchanger.
2. the heat exchanger tube for heat exchanger according to claim 1 it is characterised in that
The outer surface of described heat exchanger tube be substantial circular or Long Circle, described fin hole have with described
Heat exchanger tube identical shape.
3. the heat exchanger tube for heat exchanger according to claim 1 and 2 it is characterised in that
Described breach be along the bearing of trend of heat exchanger tube towards the passage in heat exchanger tube concave recessed
Portion.
4. the heat exchanger tube for heat exchanger according to any one of claim 1-3, its feature
It is,
Described breach is circular, square, rectangle, ellipse or swallow-tail form.
5. the heat exchanger tube for heat exchanger according to any one of claim 1-4, its feature
It is,
Described heat exchanger tube be single hole, porous or pore.
6. the heat exchanger tube for heat exchanger according to any one of claim 1-5, its feature
It is,
Described plug-in unit has the shape corresponding with described breach.
7. the heat exchanger tube for heat exchanger according to any one of claim 1-6, its feature
It is,
Described plug-in unit is interior tube expansion.
8. the heat exchanger tube for heat exchanger according to claim 7 it is characterised in that
Described interior tube expansion is hollow, solid, porous, circular, non-circular or dovetail
Shape.
9. the heat exchanger tube for heat exchanger according to any one of claim 1-8, its feature
It is,
The external diameter of described heat exchanger tube is slightly less than the internal diameter of corresponding fin hole.
10. a kind of heat exchanger, described heat exchanger includes：
Multiple fins, each fin in the plurality of fin is provided with fin hole；
Multiple heat exchanger tubes, each heat exchanger tube in the plurality of heat exchanger tube makes through corresponding fin hole
Obtain multiple fins to be laminated to each other together；
At least one of wherein said heat exchanger tube is changing according to any one of claim 1-9
Heat pipe.
A kind of 11. assembly methods of heat exchanger according to claim 10, including：
Each heat exchanger tube in multiple heat exchanger tubes is penetrated corresponding fin hole in multiple fins, thus
Multiple fins are laminated to each other together；
Plug-in unit is inserted in the breach of each heat exchanger tube so that each heat exchanger tube and described fin hole
Inwall expanded joint together.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527457.2A CN106482566B (en) | 2015-08-25 | 2015-08-25 | Heat exchanger tube, heat exchanger and its assembly method for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527457.2A CN106482566B (en) | 2015-08-25 | 2015-08-25 | Heat exchanger tube, heat exchanger and its assembly method for heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106482566A true CN106482566A (en) | 2017-03-08 |
| CN106482566B CN106482566B (en) | 2019-01-25 |
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ID=58234173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510527457.2A Active CN106482566B (en) | 2015-08-25 | 2015-08-25 | Heat exchanger tube, heat exchanger and its assembly method for heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107520364A (en) * | 2017-08-19 | 2017-12-29 | 常州爱迪尔制冷科技有限公司 | Insert swollen finned heat exchanger D type swelling techniques and its insert swollen finned heat exchanger |
| CN114577029A (en) * | 2020-11-30 | 2022-06-03 | 海信（山东）冰箱有限公司 | Tube-fin heat exchanger and processing method thereof |
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| JP2002039696A (en) * | 2000-07-28 | 2002-02-06 | Matsumoto Jukogyo Kk | Fin tube and its manufacturing method |
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| CN201069330Y (en) * | 2007-07-16 | 2008-06-04 | 黄山三佳谊华精密机械有限公司 | Novel heat exchanger |
| CN102338587A (en) * | 2010-07-16 | 2012-02-01 | 乐金电子(天津)电器有限公司 | Heat exchanger structure and assembly process thereof |
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|---|---|---|---|---|
| US4558695A (en) * | 1982-07-02 | 1985-12-17 | Nippondenso Co., Ltd. | Method of manufacturing a heat exchanger |
| JPH02290666A (en) * | 1989-02-21 | 1990-11-30 | Toyo Radiator Co Ltd | Manufacture of heat exchanger |
| JP2002039696A (en) * | 2000-07-28 | 2002-02-06 | Matsumoto Jukogyo Kk | Fin tube and its manufacturing method |
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| CN101042283A (en) * | 2005-12-09 | 2007-09-26 | 株式会社电装 | A heat exchanger |
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| CN107520364A (en) * | 2017-08-19 | 2017-12-29 | 常州爱迪尔制冷科技有限公司 | Insert swollen finned heat exchanger D type swelling techniques and its insert swollen finned heat exchanger |
| CN114577029A (en) * | 2020-11-30 | 2022-06-03 | 海信（山东）冰箱有限公司 | Tube-fin heat exchanger and processing method thereof |
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|---|---|
| CN106482566B (en) | 2019-01-25 |
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