CN111043893A - Pipe assembly and heat exchanger - Google Patents
Pipe assembly and heat exchanger Download PDFInfo
- Publication number
- CN111043893A CN111043893A CN201811186420.8A CN201811186420A CN111043893A CN 111043893 A CN111043893 A CN 111043893A CN 201811186420 A CN201811186420 A CN 201811186420A CN 111043893 A CN111043893 A CN 111043893A
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- CN
- China
- Prior art keywords
- wall
- heat exchanger
- tube
- tube assembly
- reinforcing sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
Abstract
Embodiments of the invention disclose a tube assembly for a heat exchanger and a heat exchanger having the same. The tube assembly includes a tube wall defining an inner cavity, the tube wall formed from one or more bent plates. The tube wall is formed by bending. For example, with the tube assembly and the heat exchanger having the same according to the embodiments of the present invention, it is possible to reduce costs and improve heat exchange efficiency.
Description
Technical Field
Embodiments of the present invention relate to a tube assembly for a heat exchanger and a heat exchanger having the same.
Background
The heat exchanger comprises a collecting pipe and a heat exchange pipe.
Disclosure of Invention
It is an object of an embodiment of the present invention to provide a tube assembly for a heat exchanger and a heat exchanger having the same, by which, for example, costs can be reduced.
An embodiment of the present invention provides a tube assembly for a heat exchanger, the tube assembly including: the tube wall defines an inner cavity and is formed by bending one or more plates.
According to an embodiment of the invention, the tube wall is formed by winding at least two plies in a circumferential direction around the inner cavity.
According to an embodiment of the invention, the pipe wall has a first portion and a second portion in a circumferential direction and comprises: an outer peripheral wall; and a first reinforcing sheet provided in at least one of the first portion and the second portion of the tube wall, the first reinforcing sheet having a wavy shape in a circumferential direction and being provided on the inner surface of the outer peripheral wall, the first reinforcing sheet having a wavy shape with a plurality of peak portions adjacent to the inner surface of the outer peripheral wall, the plurality of peak portions being contiguous with the inner surface of the outer peripheral wall.
According to an embodiment of the invention, the tube wall further comprises: and a second reinforcing sheet, the first reinforcing sheet having an undulating shape having a plurality of valley portions remote from the inner surface of the peripheral wall, the plurality of valley portions being contiguous with the second reinforcing sheet.
According to an embodiment of the invention, the portion of the outer circumferential wall in the second portion of the tube wall comprises a substantially flat outer surface portion.
According to an embodiment of the invention, the pipe wall has a first portion and a second portion in a circumferential direction and comprises: an outer peripheral wall; an inner peripheral wall; and an intermediate wall provided in at least one of the first portion and the second portion of the tube wall, the intermediate wall being provided between the outer circumferential wall and the inner circumferential wall and having an undulating shape in the circumferential direction.
According to an embodiment of the present invention, the tube assembly for a heat exchanger further includes: a divider wall disposed in the lumen defined by the tube wall and forming two chambers with the first and second portions of the tube wall, respectively.
According to an embodiment of the invention, the tube wall and the partition wall are formed by bending one or more plates.
According to an embodiment of the invention, the tube assembly is a heat exchange tube or a header.
An embodiment of the present invention also provides a heat exchanger, including: the above-described tube assembly.
With the tube assembly for a heat exchanger and the heat exchanger having the heat exchange tube assembly according to the embodiments of the present invention, for example, cost reduction can be achieved.
Drawings
Fig. 1 is a schematic perspective view of a tube assembly for a heat exchanger according to a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a tube assembly for a heat exchanger according to a second embodiment of the present invention;
FIG. 3 is a schematic perspective view of a tube assembly for a heat exchanger according to a third embodiment of the present invention; and
fig. 4 is a schematic perspective view of a tube assembly for a heat exchanger according to a fourth embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following drawings and detailed description.
Referring to fig. 1 to 4, a heat exchanger according to an embodiment of the present invention includes a header; the collecting pipe is connected with the end part of the heat exchange pipe and is communicated with the fluid of the heat exchange pipe; the heat exchanger may further include fins disposed between adjacent heat exchange tubes or inserted into fin holes or fin grooves of the fins. The tube assembly 1 for a heat exchanger according to an embodiment of the present invention may be a heat exchange tube or a header.
Referring to fig. 1 to 4, a tube assembly 1 for a heat exchanger according to an embodiment of the present invention includes: a tube wall 2, the tube wall 2 defining an inner cavity 20, the tube wall 2 being formed from one or more panels that are bent. The tube assembly 1 may be formed by bending a plate or sheet. The tube assembly 1, which is formed by bending a sheet or plate, may be passed through at least two sheets or plates from the innermost to the outer side of the tube assembly 1. The outermost layer of the tube assembly 1 may form an enclosed space, with at least a portion of the outermost layer and a layer adjacent to the outermost layer being in contact. At least a portion of each two adjacent layers are in contact. After welding, each two adjacent layers are at least partially connected together.
Referring to fig. 1 to 4, in some embodiments of the invention, the tube wall 2 is formed by winding at least two plies in a circumferential direction around the inner cavity 20.
Referring to fig. 1 to 3, in some embodiments of the invention, the tube wall 2 has a first portion 21 and a second portion 22 in the circumferential direction and comprises: an outer peripheral wall 23; and a first reinforcing sheet 24 provided in at least one of the first portion 21 and the second portion 22 of the tube wall 2, the first reinforcing sheet 24 having a wavy shape in the circumferential direction and being provided on the inner surface 231 of the peripheral wall 23, the first reinforcing sheet 24 having a wavy shape having a plurality of peak portions 241 adjacent to the inner surface of the peripheral wall 23, the plurality of peak portions 241 being contiguous with the inner surface 231 of the peripheral wall 23. The first reinforcement piece 24 of the corrugated shape may extend over one or both of the first portion 21 and the second portion 22, which may allow for high strength with a small number of plates or pieces. Holes or slots may also be provided in the first reinforcing sheet 24 for distributing or circulating the refrigerant.
Referring to fig. 1 to 3, in some embodiments of the invention, the tube wall 2 further comprises: the second reinforcing sheet 25, the first reinforcing sheet 24 of the wavy shape has a plurality of valley portions 242 away from the inner surface 231 of the peripheral wall 23, and the plurality of valley portions 242 meet the second reinforcing sheet 25. The second reinforcing sheet 25 may be used to reinforce strength. The second reinforcing plate 25 may also be provided with holes or grooves for distributing or circulating the refrigerant.
Referring to fig. 2, 3 and 4, in some embodiments of the invention, the portion of the outer peripheral wall 23 in the second portion 22 of the tube wall 2 comprises a substantially flat outer surface portion 233. The tubular wall 2 may be perforated, may be self-contained in a sheet or plate, or may be formed by stamping, at a location corresponding to the flat outer surface portion 233. With or without material removal. For connection to and fluid communication with the heat exchange tubes to collect or distribute the refrigerant from or to the heat exchange tubes.
Referring to fig. 1 to 3, in some embodiments of the invention, the tube wall 2 has a first portion 21 and a second portion 22 in the circumferential direction and comprises: an outer peripheral wall 23; an inner peripheral wall (e.g., the second reinforcing sheet 25 shown in fig. 1 to 3); and an intermediate wall (e.g., a first reinforcing sheet 24 shown in fig. 1 to 3) provided in at least one of the first portion 21 and the second portion 22 of the tube wall 2, the intermediate wall being provided between the outer circumferential wall 23 and the inner circumferential wall and having an undulating shape in the circumferential direction. The intermediate wall has a corrugated shape, which allows a high strength with a small number of plates or sheets.
Referring to fig. 3, in some embodiments of the invention, the tube assembly 1 further comprises: a partition wall 5, said partition wall 5 being arranged in an inner cavity 20 defined by said tube wall 2 and forming two chambers with a first portion 21 and a second portion 22, respectively, of said tube wall 2. The partition wall 5 may have a through hole to communicate the two chambers. The tube assembly 1 may comprise a plurality of partition walls 5, thereby forming further chambers.
Referring to fig. 3, in some embodiments of the present invention, two tube assemblies 1 are adjacently disposed, and the two tube assemblies 1 communicate through communication holes, thereby forming a header.
Referring to fig. 1 to 3, in some embodiments of the invention, the tube wall 2 and the partition wall 5 are formed by bending one or more sheets.
The plates or sheets used in the tube assembly 1 may be separate sheets, e.g., one for each layer, and the thickness, material, etc. of the plates or sheets may vary.
With the pipe assembly 1 according to an embodiment of the present invention, costs can be reduced because the price of the pipe formed by bending can be low. In addition, the corrosion resistance can be improved, and the composite layer can be added on the inner side and the outer side of the material used for the bending pipe, so that the pipe can resist corrosion on the inner side and the outer side.
While the above embodiments have been described, some of the features of the above embodiments may be combined to form new embodiments.
Claims (10)
1. A tube assembly for a heat exchanger, comprising:
the tube wall defines an inner cavity and is formed by bending one or more plates.
2. The tube assembly for a heat exchanger of claim 1, wherein:
the tube wall is formed by winding at least two plies in a circumferential direction around the lumen.
3. The tube assembly for a heat exchanger of claim 1, wherein:
the pipe wall has a first portion and a second portion in a circumferential direction, and includes:
an outer peripheral wall; and
a first reinforcing sheet provided in at least one of the first portion and the second portion of the tube wall, the first reinforcing sheet having a wavy shape in a circumferential direction and being provided on the inner surface of the outer peripheral wall, the first reinforcing sheet having a wavy shape with a plurality of peak portions adjacent to the inner surface of the outer peripheral wall, the plurality of peak portions being contiguous with the inner surface of the outer peripheral wall.
4. The tube assembly for a heat exchanger of claim 3, wherein:
the tube wall further comprises:
and a second reinforcing sheet, the first reinforcing sheet having an undulating shape having a plurality of valley portions remote from the inner surface of the peripheral wall, the plurality of valley portions being contiguous with the second reinforcing sheet.
5. The tube assembly for a heat exchanger of claim 3, wherein:
the portion of the outer peripheral wall in the second portion of the tube wall includes a substantially flat outer surface portion.
6. The tube assembly for a heat exchanger of claim 1, wherein:
the pipe wall has a first portion and a second portion in a circumferential direction, and includes:
an outer peripheral wall;
an inner peripheral wall; and
an intermediate wall provided in at least one of the first portion and the second portion of the tube wall, the intermediate wall being provided between the outer circumferential wall and the inner circumferential wall and having an undulating shape in the circumferential direction.
7. The tube assembly for a heat exchanger according to claim 3 or 6, further comprising:
a divider wall disposed in the lumen defined by the tube wall and forming two chambers with the first and second portions of the tube wall, respectively.
8. The tube assembly for a heat exchanger of claim 7, wherein:
the pipe wall and the partition wall are formed by bending one or more plates.
9. The tube assembly for a heat exchanger of claim 1, wherein:
the tube assembly is a heat exchange tube or a header.
10. A heat exchanger, comprising:
the tube assembly of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186420.8A CN111043893B (en) | 2018-10-11 | 2018-10-11 | Pipe assembly and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186420.8A CN111043893B (en) | 2018-10-11 | 2018-10-11 | Pipe assembly and heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111043893A true CN111043893A (en) | 2020-04-21 |
| CN111043893B CN111043893B (en) | 2022-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811186420.8A Active CN111043893B (en) | 2018-10-11 | 2018-10-11 | Pipe assembly and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111043893B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4770240A (en) * | 1985-05-13 | 1988-09-13 | Stark Manufacturing, Inc. | Manifold for a heat exchanger |
| GB9707029D0 (en) * | 1997-04-07 | 1997-05-28 | Rollsec Ltd | Heat exchanger element |
| JPH1019490A (en) * | 1996-06-28 | 1998-01-23 | Denso Corp | Heat-exchanger |
| JPH11351777A (en) * | 1998-06-12 | 1999-12-24 | Calsonic Corp | Flat heat transfer tube for heat exchanger |
| JP2008128600A (en) * | 2006-11-22 | 2008-06-05 | Usui Kokusai Sangyo Kaisha Ltd | Fin structure, its manufacturing method, and heat transfer tube using the fin structure |
| DE102008007612A1 (en) * | 2008-02-04 | 2009-08-06 | Behr Gmbh & Co. Kg | Multi-chamber flat pipe for use in heat exchanger utilized as e.g. exhaust gas cooler in internal-combustion engine of motor vehicle, has metal strip whose edge section and/or inner section lies against contact area of one of broad walls |
| CN104019550A (en) * | 2013-11-22 | 2014-09-03 | 郑州大学 | Double-side strengthened heat transfer smoke tube of vertical gas-fired hot water boiler |
| CN103175429B (en) * | 2013-04-18 | 2016-02-03 | 南京工业大学 | Multidirectional wave-li ke internally finned tubes |
| CN108151571A (en) * | 2017-12-25 | 2018-06-12 | 南京工业大学 | A kind of Novel spiral venetian blind type rectangle internally finned tube |
-
2018
- 2018-10-11 CN CN201811186420.8A patent/CN111043893B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4770240A (en) * | 1985-05-13 | 1988-09-13 | Stark Manufacturing, Inc. | Manifold for a heat exchanger |
| JPH1019490A (en) * | 1996-06-28 | 1998-01-23 | Denso Corp | Heat-exchanger |
| GB9707029D0 (en) * | 1997-04-07 | 1997-05-28 | Rollsec Ltd | Heat exchanger element |
| JPH11351777A (en) * | 1998-06-12 | 1999-12-24 | Calsonic Corp | Flat heat transfer tube for heat exchanger |
| JP2008128600A (en) * | 2006-11-22 | 2008-06-05 | Usui Kokusai Sangyo Kaisha Ltd | Fin structure, its manufacturing method, and heat transfer tube using the fin structure |
| DE102008007612A1 (en) * | 2008-02-04 | 2009-08-06 | Behr Gmbh & Co. Kg | Multi-chamber flat pipe for use in heat exchanger utilized as e.g. exhaust gas cooler in internal-combustion engine of motor vehicle, has metal strip whose edge section and/or inner section lies against contact area of one of broad walls |
| CN103175429B (en) * | 2013-04-18 | 2016-02-03 | 南京工业大学 | Multidirectional wave-li ke internally finned tubes |
| CN104019550A (en) * | 2013-11-22 | 2014-09-03 | 郑州大学 | Double-side strengthened heat transfer smoke tube of vertical gas-fired hot water boiler |
| CN108151571A (en) * | 2017-12-25 | 2018-06-12 | 南京工业大学 | A kind of Novel spiral venetian blind type rectangle internally finned tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111043893B (en) | 2022-04-29 |
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