CN208983916U - One chip folds flat tube and heat exchanger - Google Patents
One chip folds flat tube and heat exchanger Download PDFInfo
- Publication number
- CN208983916U CN208983916U CN201821596340.5U CN201821596340U CN208983916U CN 208983916 U CN208983916 U CN 208983916U CN 201821596340 U CN201821596340 U CN 201821596340U CN 208983916 U CN208983916 U CN 208983916U
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- section
- flat tube
- folds
- tube
- chip
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- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000005219 brazing Methods 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 14
- 238000005476 soldering Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a kind of one chips to fold flat tube and heat exchanger including this flat tube.This flat tube includes the tube wall being formed by bending by homogenous material band and the fin with wavy shaped configuration that integrally extends in the inside of tube wall from tube wall, tube wall includes flat and opposite each other in a parallel manner the first section and the second section, first section and the second section are connected to each other by two connection ends, one of connection end is formed by the third section for constituting bending transition, another connection end is formed by the 4th section for constituting the first free end of homogenous material band, fin has opposite first end and the second end, first end constitutes the second free end of homogenous material band and profile is adaptedly located on third section, the second end constitutes the connection transition zone between tube wall and fin and profile is adaptedly located on the 4th section.This flat tube is easily fabricated, installs and is brazed, and cost is relatively low, has good corrosion resistance and impact strength.
Description
Technical field
The utility model relates to a kind of one chip foldings for heat exchanger (especially soldering formula condenser or evaporator)
Folded flat tube, and it is related to a kind of heat exchanger that flat tube is folded including this one chip.
Background technique
There are a variety of different constructions in the prior art in the flat tube for heat exchanger.
The flat tube for being most commonly used for heat exchanger (especially condenser or evaporator) is usually multichannel extruded tube
(MPE).However, it is higher using the manufacturing cost of the scheme of multichannel extruded tube, and do not have in some applications enough
Corrosion resistance.Although multichannel squeezes heat exchange of heat pipe and the mode of spray zinc is mostly used to increase corrosion resistance in current application,
It is fin easily occur to fall off, influences the heat exchange property of heat exchanger
It it is known that using the welded pipe manufactured generally by means of ratio-frequency welding (optionally with insertion piece).However, due to
Welding procedure, this welded pipe there are the limitation of the minimum thickness of tube wall, manufacture with certain complexity and cost compared with
It is high.
It it is known that some folded tubes that inner fins are had made of multiple components, such as by file CN103080685A
Shown in " B " type outer wall flat tube, and as shown in file CN104583703B with side dual-layer joint flat tube.
However, the shortcomings that these flat tubes is there is soldering sensibility and corrosion susceptibility usually at joint location, stability is poor,
Without enough corrosion resistancies and impact strength.
The one chip formed is also folded by single material strips from use a kind of known to file CN203190861U and folds flat tube.
As shown in Figure 1, this flat tube has " B " type outer wall 1 due to bending material strips from inward at both ends.Due in outer wall side
Heart coupled position is there are Delta Region A, which has soldering sensibility and corrosion susceptibility at the region, with this kind of flat tube
The afflux tube seat of assembly needs to have smaller dimensional tolerance, is unfavorable for installation of the flat tube on header, reduces production effect
Rate.
Utility model content
The purpose of the utility model is to overcome above-mentioned defects existing in the prior art, have passed through a kind of for heat exchange
The one chip of device folds flat tube, and this one chip folds easily fabricated flat tube, installation and soldering, and cost is relatively low, and has good
Good corrosion resistance and impact strength.
For this purpose, the first aspect of the utility model provides a kind of one chip folding flat tube for heat exchanger, it is special
Sign is, the one chip fold flat tube include the tube wall being formed by bending by homogenous material band and the inside of the tube wall from
The fin with wavy shaped configuration that the tube wall integrally extends, the tube wall include flat and right each other in a parallel manner
The first section and the second section set, first section and second section are connected to each other by two connection ends,
In a connection end formed by the third section for constituting bending transition, and another connection end is by constituting the homogenous material band
The 4th section of the first free end formed, the fin has opposite first end and the second end, the first end
It constitutes the second free end of the homogenous material band and profile is adaptedly located on the third section, the second end
Constitute connection transition zone and profile between the tube wall and the fin be adaptedly located on the 4th section with
Overlapping type connector is formed, and the wave crest of the wavy shaped configuration and trough are respectively positioned at first section and described second
On the inner wall of section, to limit the partition structure including multiple runners.
Preferred embodiment according to the present utility model, the homogenous material band are thickness between 0.1mm and 0.4mm
Compound aluminium product, the compound aluminium product are made of three to five layer materials.
Preferred embodiment according to the present utility model, the compound aluminium product are five layers of compound aluminium product, and described five layers from outer
Two brazing layers, two waterproof layers and sandwich layer are followed successively by interior.
Preferred embodiment according to the present utility model, the waterproof layer contain the zinc for accounting for weight 4-5%.
Preferred embodiment according to the present utility model, at least one of the third section and the 4th section quilt
It is set as arc-shaped, sector or planar shaped.
Preferred embodiment according to the present utility model, the wave crest and trough of the wavy shaped configuration are respectively with described first
The inner wall of section and second section forms face contact or point contact.
Preferred embodiment according to the present utility model, the one chip fold the height of flat tube 0.5mm and 3mm it
Between.
Preferred embodiment according to the present utility model, the one chip fold the width of flat tube between 8mm and 50mm
Preferred embodiment according to the present utility model, the one chip fold the quantity of the runner of flat tube in two and 20
Between.
The second aspect of the utility model provides a kind of heat exchanger, especially soldering formula condenser or evaporator, institute
It states the one chip that heat exchanger includes first aspect according to the present utility model and folds flat tube.
With the prior art (mainly MPE, the folded tube made of multiple components with inner fins and other lists
Chip folds flat tube) it compares, the one chip folding flat tube according to the present utility model for heat exchanger at least has following excellent
Point:
Less material is consumed, therefore weight is smaller, cost is relatively low；
Easily fabricated, investment is less, and the length of manufacture machine is smaller can save space；
Stable and firm structure is formed before the brazing；
There is good brazing property, be easy to installation of the flat tube on header；
Impact strength is increased by the double-wall structure of air inlet end；
There is good corrosion resistance at double-wall structure and at other soldered fittings.
Detailed description of the invention
The other feature of the utility model and advantage are by the preferred embodiment by being described in detail below in conjunction with attached drawing
It more fully understands, wherein identical appended drawing reference indicates the same or similar component.
Fig. 1 is the schematic sectional view that flat tube is folded according to a kind of one chip of the prior art；
Fig. 2 is the schematic sectional view that a kind of preferred embodiment of flat tube is folded according to the one chip of the utility model.
Specific embodiment
The implementation and use of embodiment is discussed further below.It will be appreciated, however, that the specific embodiment discussed is only demonstrated
Property illustrate implement and using the utility model ad hoc fashion, rather than limit the scope of the utility model.
It is noted that attached drawing is applied not only to the explanation of the utility model, the limit of the utility model is additionally aided when necessary
It is fixed.
Referring to Fig. 2, it includes the pipe being formed by bending by homogenous material band that one chip according to the present utility model, which folds flat tube,
Wall 1 and the fin 2 with wavy shaped configuration integrally extended in the inside of tube wall 1 from tube wall 1.
Tube wall 1 includes flat and opposite each other in a parallel manner the first section 11 and the second section 12, to be formed in
Two flat side walls in the width direction of the flat tube.First section 11 and the second section 12 by two connection ends that
This connection, one of connection end is formed by the third section 13 for constituting bending transition, and another connection end is by constituting
State the 4th section 14 formation of the first free end of homogenous material band.
In the preferred embodiment shown in figure 2, two connection ends of tube wall 1 have circular shape.But this is not limitation
Property, in fact, at least one of the third section 13 and the 4th section 14 of tube wall 1 can also be arranged to sector or plane
Shape (not shown).
Fin 2 has opposite first end 21 and the second end 22, and first end 21 constitutes the homogenous material band
Second free end and profile is adaptedly located on third section 13, the second end 22 constitute the company between tube wall 1 and fin 2
It connects transition zone and profile is adaptedly located on the 4th section 14, overlapping type connector is collectively formed with the 4th section 14.
In the preferred embodiment shown in figure 2, the wave crest 23 and trough 24 of the wavy shaped configuration all have flat shape
To form face contact with the inner wall of the first section 11 and the second section 12 respectively, to limit the cellular-type including multiple runners
Structure.The quantity of the runner is preferably between two and 20, more preferably between two and 12.As shown, being located at
The cross sectional shape and first end 21 and second end of two first runners 3 of two ends in the width direction of the flat tube
The section of the shape adaptation in portion 22, multiple second flow channels 4 between two first runners 3 has rectangular shape.But this is not
Restrictive, in unshowned implementation modification, the section of second flow channel 4 can for example have trapezoidal shape.
In addition, in unshowned implementation modification, the wave crest 23 and trough 24 of the wavy shaped configuration can also be respectively with
The inner wall of one section 11 and the second section 12 forms point contact.In this case, the section of second flow channel 4 can for example have triangle
Shape shape.
Preferably, the homogenous material band is compound aluminium product, the thickness d 3 of the compound aluminium product 0.1mm and 0.4mm it
Between, more preferably between 0.2mm and 0.3mm.
It is further preferred that the compound aluminium product is made of three to five layer materials.It is described in the case where corroding more serious application environment
Compound aluminium product is five layers of compound aluminium product, and described five layers are followed successively by two brazing layers, two waterproof layers and sandwich layer from outside to inside,
The waterproof layer advantageously contains the zinc for accounting for weight 4-5%.
On section shown in Fig. 2, the width of the flat tube corresponds to the flat tube in the wave of the wavy shaped configuration
Overall size (including wall thickness) on extending direction, and the height of the flat tube correspond to the flat tube with the wave extending direction
Overall size (including wall thickness) on vertical direction.For example, the width d1 of the flat tube preferably exists between 8mm and 50mm
Between 10mm and 30mm；The height d2 of the flat tube is between 0.5 and 3mm, preferably between 1mm and 2mm.
The technology contents and technical characterstic of the utility model are had revealed that above, it being understood, however, that in the utility model
Under creative ideas, those skilled in the art can make various changes and improve to design disclosed above, but belong to this reality
With novel protection scope.
The description of above embodiment is exemplary rather than restrictive, and the protection scope of the utility model is by right
It is required that determining.
Claims (10)
1. a kind of one chip for heat exchanger folds flat tube, which is characterized in that it includes passing through that the one chip, which folds flat tube,
The tube wall (1) and have in the inside of the tube wall (1) from what the tube wall (1) integrally extended that homogenous material band is formed by bending
The fin (2) of wavy shaped configuration, the tube wall (1) include flat and opposite each other in a parallel manner the first section (11) and
Second section (12), first section (11) and second section (12) are connected to each other by two connection ends, wherein
One connection end is formed by the third section (13) for constituting bending transition, and another connection end is by constituting the homogenous material
The 4th section (14) formation of first free end of band, the fin (2) have opposite first end (21) and the second end
(22), the first end (21) constitutes the second free end of the homogenous material band and profile is adaptedly located in described the
On three sections (13), the second end (22) constitutes the connection transition zone between the tube wall (1) and the fin (2) simultaneously
And profile is adaptedly located on the 4th section (14) to form overlapping type connector, and the wave crest of the wavy shaped configuration
(23) it is respectively positioned on the inner wall of first section (11) and second section (12) with trough (24), to limit packet
Include the partition structure of multiple runners (3,4).
2. one chip according to claim 1 folds flat tube, which is characterized in that the homogenous material band is that thickness exists
Compound aluminium product between 0.1mm and 0.4mm, the compound aluminium product are made of three to five layer materials.
3. one chip according to claim 2 folds flat tube, which is characterized in that the compound aluminium product is five layers of clad aluminum
Material, described five layers are followed successively by two brazing layers, two waterproof layers and sandwich layer from outside to inside.
4. one chip according to claim 3 folds flat tube, which is characterized in that the waterproof layer, which contains, accounts for weight 4-5%
Zinc.
5. one chip according to any one of claim 1 to 4 folds flat tube, which is characterized in that the third section
(13) and at least one of the 4th section (14) is arranged to arc-shaped, sector or planar shaped.
6. one chip according to any one of claim 1 to 4 folds flat tube, the wave crest (23) of the wavy shaped configuration and
Trough (24) forms face contact or point contact with the inner wall of first section (11) and second section (12) respectively.
7. one chip according to any one of claim 1 to 4 folds flat tube, which is characterized in that the one chip folds
The height of flat tube is between 0.5mm and 3mm.
8. one chip according to any one of claim 1 to 4 folds flat tube, which is characterized in that the one chip folds
The width of flat tube is between 8mm and 50mm.
9. one chip according to any one of claim 1 to 4 folds flat tube, which is characterized in that the one chip folds
The quantity of the runner (3,4) of flat tube is between two and 20.
10. a kind of heat exchanger comprising one chip according to any one of claim 1 to 7 folds flat tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596340.5U CN208983916U (en) | 2018-09-28 | 2018-09-28 | One chip folds flat tube and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596340.5U CN208983916U (en) | 2018-09-28 | 2018-09-28 | One chip folds flat tube and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208983916U true CN208983916U (en) | 2019-06-14 |
Family
ID=66786078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821596340.5U Active CN208983916U (en) | 2018-09-28 | 2018-09-28 | One chip folds flat tube and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208983916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966886A (en) * | 2018-09-28 | 2020-04-07 | 格朗吉斯铝业（上海）有限公司 | Single-piece folded flat tubes and heat exchangers |
| CN113028883A (en) * | 2019-12-24 | 2021-06-25 | 格朗吉斯铝业（上海）有限公司 | Double-flow-passage folding flat pipe, manufacturing method, composite heat exchanger and vehicle heat exchange system |
-
2018
- 2018-09-28 CN CN201821596340.5U patent/CN208983916U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966886A (en) * | 2018-09-28 | 2020-04-07 | 格朗吉斯铝业（上海）有限公司 | Single-piece folded flat tubes and heat exchangers |
| CN113028883A (en) * | 2019-12-24 | 2021-06-25 | 格朗吉斯铝业（上海）有限公司 | Double-flow-passage folding flat pipe, manufacturing method, composite heat exchanger and vehicle heat exchange system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |