CN106643272A - Heat exchange pipe - Google Patents
Heat exchange pipe Download PDFInfo
- Publication number
- CN106643272A CN106643272A CN201611018488.6A CN201611018488A CN106643272A CN 106643272 A CN106643272 A CN 106643272A CN 201611018488 A CN201611018488 A CN 201611018488A CN 106643272 A CN106643272 A CN 106643272A
- Authority
- CN
- China
- Prior art keywords
- pipe
- heat
- aluminum pipe
- wall
- exchange tube
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
-
- 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
- F28F1/14—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 and extending longitudinally
- F28F1/16—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 and extending longitudinally the means being integral with the element, e.g. formed by extrusion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/06—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes composite, e.g. polymers with fillers or fibres
Abstract
The invention discloses a heat exchange pipe which comprises a copper pipe and an aluminum pipe. The outer wall of the copper pipe is closely attached to the inner wall of the aluminum pipe through a pipe expansion process. Multiple shallow groove rings perpendicular to the axes of the two pipes are evenly pressed in the outer wall of the aluminum pipe in the axis direction of the two pipes. The inner wall of the aluminum pipe protrudes into the outer wall of the copper pipe, and tooth ribs with trapezoidal or rectangular cross sections are evenly distributed on the inner wall of the copper pipe in the circumferential direction. The heat exchange pipe has the beneficial effects that the heat exchange efficiency of the heat exchange pipe can be improved or material consumption of manufacturing of the heat exchange pipe can be reduced.
Description
Technical field
The present invention relates to heat-transfer pipe technical field, and in particular to a kind of copper pipe is plugged on the heat-exchange tube technology in aluminum pipe.
Background technology
Interior condenser and evaporimeter are formed by heat exchange pipe dish system in air-conditioning, and the heat-exchange tube removes pure copper tube
Outward, also copper aluminum composite pipes, that is, copper pipe is arranged in aluminum pipe, by tube expansion operation is close to copper pipe outer surface and aluminum pipe
Together, national departments concerned has also formulated corresponding ministry standard.Copper-Aluminum compound heat exchanger tube is also promising to be twined outside copper pipe
Around the structure of aluminium foil.
Application number：201310451635.9, Authorization Notice No. CN 103471167 B, entitled " radiation and convection copper aluminium is answered
Close radiator " disclose so related patent：" it is installed with the aluminium section bar heat dissipation element of perpendicular copper pipe, 4-15 groups including inside
The perpendicular copper pipe two ends of heat dissipation element are connected on horizontal copper pipe up and down, and transverse tube two ends are equipped with interface tube, it is characterized in that：Institute
The core pipe both sides of the aluminium section bar stated are the triangle fin for being respectively provided with front and back panel, and core pipe and fin are provided with side wing
Piece, equipped with the decorative face helmet with slide rail on front panel, rear board top is equipped with the rear deflector that upper end is arc, rear water conservancy diversion
Flat-top gripper shoe is connected between plate and transverse tube, upper lateral tube periphery is surrounded by the flat-top cover that section is triangle, flat-top cover extension board
Bottom is connected to section bar top, and arc guide vane is housed on the extension board." this patent adopt Copper-Aluminum compound Manifold technology, can
To save the consumption of copper material in a large number.But the outer surface of its tubing is equal to the face of the outer surface of its tubing with air contact area
Product, has that area of dissipation is little.
Application number：200710036470.3, Authorization Notice No.：The C of CN 100485303, entitled " one kind reinforcing condensation is used
The Chinese invention patent of heat-transfer pipe " discloses a patented technology：It is " circumferentially distributed including heat-transfer pipe main body, body outer surface
Spiral or parallel fins, fin between groove between the wing that formed, heat-transfer pipe body inner surface is provided with internal thread, wherein, described wing
Circumferentially arranged with the horizontal fin being parallel to each other or stagger on piece wall, groove between groove and underwing between formation upper fin, on the horizontal fin and fin walls
The connection of side wall, constitute deflection angle in the junction of fin walls and side wall and horizontal fin." though the patented technology can effectively improve and change
Hot property, but complex structure, processing and manufacturing difficulty is big, is not suitable for the heat exchanger tube manufacture that thin-wall aluminium pipe and copper pipe are fixed together.
The content of the invention
The main inventive purpose of the present invention, it is big to be to provide a kind of outer surface and air contact area, the inner surface of aluminum pipe and
The outer surface contact area of copper pipe is big, so as to be conducive to improving the heat-exchange tube of heat exchanger effectiveness.
Technical scheme used by the present invention is：A kind of heat-exchange tube, including copper pipe and aluminum pipe, the outer wall of copper pipe passes through tube expansion
The inwall of operation and aluminum pipe is brought into close contact；The outer wall of aluminum pipe is uniformly suppressed with some and two pipes axis along the axis direction of two pipes
Vertical shallow slot ring, the inwall of aluminum pipe then protrudes into the outer wall of copper pipe, and the inwall of copper pipe is circumferentially laid with some cross sections for ladder
The tooth rib of shape or rectangle.
In above heat-exchange tube process, aluminum pipe is plugged on one and is provided with that some axial directions are uniform, place plane and two
In the vertical raised pipe processing of pipe axis, the internal diameter of pipe processing is equal to the external diameter of aluminum pipe requirement when being combined into pipe.Swollen
During pipe, the projection on pipe processing charges into the outer surface of aluminum pipe, so as to the outer surface of aluminum pipe formed some needs and
The vertical shallow slot ring of two pipe axis, ultimately increases the area of dissipation of aluminum pipe when using.And while shallow slot ring is formed, aluminum pipe
Inner surface protrude into again simultaneously in the tube wall of copper pipe, it is so also just favourable so as to increased the contact area of aluminum pipe and copper pipe
Heat exchange transmission between copper pipe and aluminum pipe.Therefore, the present invention can be carried in the case where material consumption and caliber is not changed
Heat exchange between high copper pipe and aluminum pipe, while improving the area of dissipation of aluminum pipe, and then improves the using effect of heat-exchange tube, from
And improve the competitiveness using the manufactured product of the present invention.And in the case of identical is required heat-exchange tube using effect, then
The consumption of aluminum pipe and copper pipe can be reduced, the waste of national valuable source is so on the one hand reduced, is on the other hand reduced using this
The cost of the manufactured product of invention, so as to improve the competitiveness of product.In addition, the setting of tooth rib, then be conducive to improving the present invention
With the heat exchange of fluid.The present invention also has simple structure, fabricates easy advantage.
Preferably, the outer wall of aluminum pipe has also rolled some screw thread shallow slots, correspondingly the inner thread shape ground of aluminum pipe is convex
Enter the outer wall of copper pipe.This preferred version, can further improve contact area, reliability and the conducting power of aluminum pipe and copper pipe,
The heat exchange area of aluminum pipe and surrounding environment can also be increased simultaneously, so as to improve the service behaviour of the present invention.
Preferably, the cross section of shallow slot ring is circular arc, oval or ellipse.It should be noted that circular arc, ellipse
Circular or trapezoidal and aluminum pipe outer surface is that fillet is excessive, and trapezoidal two waists and a bottom are also that fillet is excessive.This preferred version, can
To prevent stress concentration, the safety in utilization and service life of heat-exchange tube is improved.
It is preferably that the middle part of the tooth rib top surface is recessed.The recessed trend and tooth rib move towards identical.
This preferred version, tooth rib structure stability is high, is not easily susceptible to damage during tube expansion, while being conducive to improving copper pipe inner surface
With the contact area of fluid, and then improve the present invention heat exchange property.
Preferably, the trend of the tooth rib is identical with the axial direction of copper pipe, in order to process.Yet further preferably, institute
Fin is opened in the part that tooth rib is stated away from aluminum pipe to both sides extension, so as to expand the heat exchange area of fluid and copper pipe.
Preferably, the tooth rib is spiral trend, helical angle is more than 0 °, less than or equal to 60 °.This preferred version, tooth rib
Structural stability is high, is not easily susceptible to damage during tube expansion.Yet further preferably, the tooth rib away from aluminum pipe part to
Both sides extend opens fin, so as to expand the heat exchange of fluid and copper pipe.
In sum, the invention has the beneficial effects as follows：The present invention can in the case where material consumption and caliber is not changed,
The heat exchange between copper pipe and aluminum pipe is improved, while improving the area of dissipation of aluminum pipe, and then the using effect of heat-exchange tube is improved,
So as to improve the competitiveness using the manufactured product of the present invention.And in the case of identical is required radiating tube using effect, then
The consumption of aluminum pipe and copper pipe can be reduced, national valuable source is so on the one hand reduced and is wasted, on the other hand reduce using this
The cost of bright manufactured product, so as to improve the competitiveness of product.Present configuration is simple, reasonable, and processing and manufacturing is easy.
Description of the drawings
Fig. 1：The structural representation of embodiments of the invention one；
Fig. 2：The A-A cross-sectional schematics of embodiment one；
Fig. 3：The structural representation of the embodiment of the present invention two.
In figure：Copper pipe 1, tooth rib 1.1, fin 1.2, recessed 1.3, aluminum pipe 2, shallow slot ring 2.1.
Specific embodiment
Below by embodiment, and accompanying drawing is combined, technical scheme is described in further detail.
Embodiment one：
As shown in Figure 1 and Figure 2, the present invention includes copper pipe 1 and aluminum pipe 2, and the outer wall of copper pipe 1 is by tube expansion operation and the inwall of aluminum pipe 2
It is brought into close contact；The outer wall of aluminum pipe 2 is uniformly suppressed with some shallow slot rings vertical with the axis of two pipes along the axis direction of two pipes
2.1, the contact area of aluminum pipe outer surface and air can be thus improved, so as to improve the service behaviour of heat-exchange tube.And
While aluminum pipe outer wall suppresses shallow slot ring, the inwall of aluminum pipe will simultaneously charge into the outer layer of copper pipe, so as to improve aluminum pipe and copper
The contact area of pipe, and then improve the heat exchange performance of copper pipe and aluminum pipe.Preferably, the cross section of shallow slot ring 2.1 is circular arc
Shape, oval or trapezoidal one kind.It should be noted that circular arc, oval or trapezoidal and aluminum pipe outer surface are fillet mistakes
Degree, trapezoidal two waists and a bottom are also that fillet is excessive, and to prevent stress concentration, and then it is safe to improve using for heat-exchange tube
Property and service life, the present embodiment, the cross section of shallow slot ring 2.1 is circular arc.
The present embodiment, it is trapezoidal or rectangle tooth rib 1.1 that the inwall of copper pipe 1 is circumferentially laid with some cross sections, this reality
Apply that example is preferably trapezoidal, the trend of tooth rib 1.1 is identical with the axial direction of copper pipe 1, further, the middle part of the top surface of tooth rib 1.1
Recessed 1.3, recessed 1.3 cross section described in the present embodiment is triangle.In addition, preferably, the outer wall of aluminum pipe 2 has also been rolled
Some screw thread shallow slots, correspondingly protrude into the inner thread shape of aluminum pipe the outer wall of copper pipe, further to improve aluminum pipe and copper pipe
Contact area and aluminum pipe and air contact area, so as to improve the service behaviour of heat-exchange tube.And the horizontal stroke of screw thread shallow slot
Section is then triangle, and the equal round-corner transition in three angles.Wherein screw thread shallow slot can be carried out during tube expansion or after tube expansion, spiral shell
The number of line shallow slot is the half of the about number of shallow slot 2.1.
Embodiment two：
Embodiment two is also to be provided with cross section on the top surface of the tooth rib before tube expansion with the difference of embodiment one for triangle
It is recessed, but in embodiment one, there be little Xu distances the top on the both sides of triangle and the top of tooth rib.And in embodiment two,
The top margin of triangle and the side of tooth rib constitute a little angle, and during tube expansion, the both sides of triangle can open shape to both sides
Into fin, that is, the tooth rib 1.1 can open fin 1.2 away from the part of aluminum pipe to both sides extension.
Embodiment three：
Embodiment three is with the difference of embodiment one, and in embodiment three, the tooth rib 1.1 is spiral trend, and helical angle is big
In 0 °, less than or equal to 60 °, the angle of the present embodiment helical angle is 30 °.Embodiment three as embodiment one shallow slot 2.1
Number is identical with the number of tooth rib 1.1, but position is arbitrarily, and the number of spiral shallow slot is about 1/2nd of shallow slot number.
Example IV：
Example IV is also to be provided with cross section on the top surface of the tooth rib before tube expansion with the difference of embodiment three for triangle
Shape it is recessed, but triangle both sides and tooth rib respective side edge constitute a little angle, during tube expansion, the both sides of triangle
Can open to form fin to both sides, that is, the tooth rib 1.1 can open fin away from the part of aluminum pipe to both sides extension
1.2。
The specific embodiment of the above is only the present invention preferably embodiment, not limits the concrete of the present invention with this
Practical range.In fact, some equivalent changes can also be made according to shape of the present invention, structure and purpose of design.
Therefore, some equivalence changes done by all shapes in accordance with the present invention, structure and purpose of design ought to be all contained in this
In the protection domain of invention, namely these equivalence changes all should be protected by the present invention.
Claims (10)
1. a kind of heat-exchange tube, including copper pipe（1）And aluminum pipe（2）, copper pipe（1）Outer wall by tube expansion operation and aluminum pipe（2）'s
Inwall is brought into close contact；It is characterized in that：Aluminum pipe（2）Outer wall be uniformly suppressed with along the axis direction of two pipes it is vertical with the axis of two pipes
Shallow slot ring（2.1）, aluminum pipe（2）Inwall then protrude into copper pipe（1）Outer wall, copper pipe（1）Inwall be circumferentially laid with it is some
Cross section is trapezoidal or rectangle tooth rib（1.1）.
2. heat-exchange tube according to claim 1, is characterized in that：Aluminum pipe（2）Outer wall also to have rolled some screw threads shallow
Groove, correspondingly protrudes into the inner thread shape of aluminum pipe the outer wall of copper pipe.
3. heat-exchange tube according to claim 1, is characterized in that：Shallow slot ring（2.1）Cross section be circular arc.
4. heat-exchange tube according to claim 1, is characterized in that：Shallow slot ring（2.1）Cross section for ellipse.
5. heat-exchange tube according to claim 1, is characterized in that：Shallow slot ring（2.1）Cross section for trapezoidal.
6. heat-exchange tube according to claim 1, is characterized in that：The tooth rib（1.1）The middle part of top surface is recessed（1.3）.
7. the heat-exchange tube according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that：The tooth rib（1.1）Trend
And copper pipe（1）Axial direction it is identical.
8. heat-exchange tube according to claim 6, is characterized in that：The tooth rib（1.1）Away from aluminum pipe part to both sides
Extension opens fin（1.2）.
9. the heat-exchange tube according to claim 1 or 2 or 3 or 4 or 5 or 6, is characterized in that：The tooth rib（1.1）For spiral
Trend, helical angle is more than 0 °, less than or equal to 60 °.
10. heat-exchange tube according to claim 9, is characterized in that：The tooth rib（1.1）Away from aluminum pipe part to both sides
Extension opens fin（1.2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018488.6A CN106643272A (en) | 2016-11-15 | 2016-11-15 | Heat exchange pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018488.6A CN106643272A (en) | 2016-11-15 | 2016-11-15 | Heat exchange pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106643272A true CN106643272A (en) | 2017-05-10 |
Family
ID=58808061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611018488.6A Pending CN106643272A (en) | 2016-11-15 | 2016-11-15 | Heat exchange pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643272A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB415609A (en) * | 1932-10-28 | 1934-08-30 | British Aluminium Co Ltd | Improvements in or relating to heat-interchanger tubes |
| FR1487080A (en) * | 1966-07-20 | 1967-06-30 | Howell & Company Ltd | Manufacturing process of composite metal tubes |
| JPS58173043A (en) * | 1982-04-01 | 1983-10-11 | Toshiba Corp | Manufacture of heat exchanger |
| CN2371413Y (en) * | 1999-04-15 | 2000-03-29 | 宝鸡有色金属加工厂 | Laminated metal composite tube |
| JP2000507694A (en) * | 1996-11-22 | 2000-06-20 | スピロ リサーチ ベスローテン ブェノートスハップ | Heat exchanger tube and method of manufacturing the same |
| CN2685805Y (en) * | 2004-03-09 | 2005-03-16 | 海亮集团浙江铜加工研究所有限公司 | Inserting internal screw thread copper pipe |
| CN2713423Y (en) * | 2004-06-02 | 2005-07-27 | 河南金龙精密铜管股份有限公司 | A two-equipment heat transfer tube matching with R22 for room air conditioner |
| CN2767797Y (en) * | 2004-11-25 | 2006-03-29 | 娄树清 | Double layer metal composite pipe |
| CN1804535A (en) * | 2005-12-20 | 2006-07-19 | 金龙精密铜管集团股份有限公司 | Heat transfer pipe with internal threads |
| CN204142073U (en) * | 2014-07-30 | 2015-02-04 | 天津塔峰恒泰制冷有限公司 | Double-deck heat exchanger tube |
| CN205049035U (en) * | 2015-10-10 | 2016-02-24 | 安陆火凤凰铝材有限责任公司 | Aluminum alloy tube for mariculture |
-
2016
- 2016-11-15 CN CN201611018488.6A patent/CN106643272A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB415609A (en) * | 1932-10-28 | 1934-08-30 | British Aluminium Co Ltd | Improvements in or relating to heat-interchanger tubes |
| FR1487080A (en) * | 1966-07-20 | 1967-06-30 | Howell & Company Ltd | Manufacturing process of composite metal tubes |
| JPS58173043A (en) * | 1982-04-01 | 1983-10-11 | Toshiba Corp | Manufacture of heat exchanger |
| JP2000507694A (en) * | 1996-11-22 | 2000-06-20 | スピロ リサーチ ベスローテン ブェノートスハップ | Heat exchanger tube and method of manufacturing the same |
| CN2371413Y (en) * | 1999-04-15 | 2000-03-29 | 宝鸡有色金属加工厂 | Laminated metal composite tube |
| CN2685805Y (en) * | 2004-03-09 | 2005-03-16 | 海亮集团浙江铜加工研究所有限公司 | Inserting internal screw thread copper pipe |
| CN2713423Y (en) * | 2004-06-02 | 2005-07-27 | 河南金龙精密铜管股份有限公司 | A two-equipment heat transfer tube matching with R22 for room air conditioner |
| CN2767797Y (en) * | 2004-11-25 | 2006-03-29 | 娄树清 | Double layer metal composite pipe |
| CN1804535A (en) * | 2005-12-20 | 2006-07-19 | 金龙精密铜管集团股份有限公司 | Heat transfer pipe with internal threads |
| CN204142073U (en) * | 2014-07-30 | 2015-02-04 | 天津塔峰恒泰制冷有限公司 | Double-deck heat exchanger tube |
| CN205049035U (en) * | 2015-10-10 | 2016-02-24 | 安陆火凤凰铝材有限责任公司 | Aluminum alloy tube for mariculture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102581583A (en) | Copper heat tube with high-tooth fins and production technology of copper heat tube | |
| CN205718622U (en) | A kind of fin | |
| CN201149455Y (en) | Composite pole wing type radiator aluminum wing | |
| CN103157965A (en) | Production technology of high-tooth fin copper heat tube | |
| CN102249273B (en) | Cooling heat pipe heat exchanger of alumina decomposer | |
| CN106643272A (en) | Heat exchange pipe | |
| CN204923200U (en) | Pin -connected panel radiator | |
| CN106679492A (en) | Heat exchange pipe | |
| CN207379347U (en) | A kind of detachable finned air-cooled heat exchanger tube | |
| CN206223001U (en) | A kind of heat exchanger tube | |
| CN109450372A (en) | A kind of desert photovoltaic power generation radiator | |
| CN206362235U (en) | A kind of heat-exchange tube | |
| CN203615652U (en) | Annular condenser and movable air conditioner containing same | |
| CN209165579U (en) | Single water channel composite copper aluminium radiator | |
| CN201964803U (en) | Heating heat sink | |
| CN106016840A (en) | Air-conditioner heat exchanger with high heat exchange efficiency | |
| CN206131844U (en) | Ripple copper pipe | |
| CN206830286U (en) | A kind of water tank of single fan automobile radiators | |
| CN202329285U (en) | Main-sheet-free aluminum pipe-band-type heat exchanger | |
| CN204881296U (en) | Alpaka integral type finned tube and supporting tube sheet | |
| CN204718454U (en) | A kind of heat exchanger | |
| CN204007236U (en) | A kind of heat exchanger | |
| CN204388663U (en) | A kind of heat exchanger tube | |
| CN202119306U (en) | Novel high-tooth finned copper heat pipe | |
| CN209558930U (en) | A kind of outer wall walks the high efficient heat exchanging effect pipe of gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |