CN108826761A - A kind of heat exchanger tube - Google Patents
A kind of heat exchanger tube Download PDFInfo
- Publication number
- CN108826761A CN108826761A CN201810834413.8A CN201810834413A CN108826761A CN 108826761 A CN108826761 A CN 108826761A CN 201810834413 A CN201810834413 A CN 201810834413A CN 108826761 A CN108826761 A CN 108826761A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- flow channel
- exchanger tube
- thickness
- body portion
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of heat exchanger tubes, including body portion, constitute the shell for making the flow channel of media flow, and corrugated inner fins, for separating flow channel, it is the flat tube for being soldered to inner surface of tube body at the top of the inner fins, heat exchange is carried out with the heat for being transmitted to pipe in top medium, wherein, brazing material needed for being brazed the top of inner fins and the inner surface of the body portion is not coated on the first material for constituting the first material, the body portion but cladding constitute the second material of inner fin, the equivalent diameter of the flow channel separated by inner fin is 0.559mm or smaller.In furnace brazing, the brazing material being arranged in flow channel melts the present invention earlier than the brazing material being penetrated into flow channel from outside, so that flow channel be prevented to be blocked.
Description
Technical field
The present invention relates to a kind of heat exchanger tubes, wherein the medium for flowing through its channel carries out hot friendship with the heat for being transmitted to pipe
It changes.
Background technique
For the heat exchanger of refrigeration cycle, such as radiator, evaporator, it is known that it is handed over by being alternately stacked flat heat
Parallel operation pipe and corrugated fins fin configure to form core and manage the connecting pin with tank.Refrigerant is brought to from a container
In heat exchanger, heat exchanger tube is flowed through, while carrying out heat exchange with the heat for being transmitted to core, and from another discharge of tank.
This heat exchanger is by the way that the components such as heat exchanger tube, fin, tank are assembled integrally and in furnace brazing assembly
And generate.In recent years, in order to improve the performance of heat exchanger, Tube Sheet of Heat Exchanger tends to be compact and accurate, in order to improve performance and life
Yield, the size setting of all parts, the arrangement etc. of brazing material become more and more important condition.
Technical solution
The invention mainly solves the technical problem of providing a kind of heat exchanger tubes, which is characterized in that including:Tube body
Point, constitute the shell and corrugated inner fins for making the flow channel of media flow, for separating flow channel, institute
Stating is the flat tube for being soldered to inner surface of tube body at the top of inner fins, carries out heat with the heat for being transmitted to pipe in top medium
Exchange, wherein brazing material needed for being brazed the top of inner fins and the inner surface of body portion is not coated to composition the
On first material of one material, the second material of the body portion but cladding composition inner fin.
Optionally, the thickness of the clad of the brazing material in the second material is relative to the second material with a thickness of 5-
10%.
Optionally, wherein the second material with a thickness of 0.1 millimeter or smaller.
Optionally, wherein the second material has 0.05 to 0.07 millimeter of thickness.
Optionally, wherein the first material has 0.25 millimeter or smaller thickness.
The beneficial effects of the invention are as follows:
For the present invention in furnace brazing, the brazing material ratio being arranged in flow channel is penetrated into flow channel from outside
In brazing material melt earlier, thus prevent flow channel be blocked.
Detailed description of the invention
Fig. 1 is the explanatory diagram for showing heat exchanger according to an embodiment of the present invention.
Fig. 2 is the explanatory diagram and enlarged view for the part that the part of heat exchanger tube is shown before its soldering.
Embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
Heat exchanger 1 shown in FIG. 1 is the radiator of the refrigeration cycle of the interior air-conditioning for being mounted on automobile, the heat
Exchanger 1 includes the core 10 formed and being alternately stacked heat exchanger tube 100 and cooling fin 20, and a pair of of container 30,
In each heat exchanger tube 100 both ends along its vertical communication.Reinforcer 40 is separately positioned on two sides up and down of core 10
On, the both ends of each reinforcer 40 are supported by slot 30 in a longitudinal direction thereof.Medium (that is, the refrigerant recycled by refrigeration cycle)
Entrance 31 and outlet 32 are arranged on the required part of tank 30, so that being flowed in heat exchanger tube 100 by the medium that entrance 31 enters
Overheat outlet is thermally conducted to core 10 and passes through 32 outflow of outlet.Constitute the component of heat exchanger 1, such as fin 20, tank 30, entrance
31, outlet 32, side plate 40 and heat exchanger tube 100 are formed by aluminum or aluminum alloy component, they assemble integral, group by fixture
Dress body is heat-treated in furnace, and soldering is integral.It is brazed in furnace, brazing material and solder flux are arranged on each component
Required part on.
The heat exchanger tube 100 of the present embodiment shown in Fig. 2 has body portion 200, which forms flowing and be situated between
The shell of matter 101 is used for flow media and ripple inner fin 300, is used for flow manifold 101, and the top of inner fin 300 is flat simultaneously
It is soldered to inner surface.Heat exchanger tube 100 with a thickness of 1.2 millimeters or smaller, it is generally desirable to, the thickness of heat exchanger tube 100
It is 0.8-1.2 millimeters, also, heat exchanger tube 100 has 16 millimeters or smaller width, the width of heat exchanger tube 100 is
12-16 millimeters are ideal.In addition, each runner 101 is separated by inner fin 200, each inner fin is with equivalent diameter
0.559 millimeter or smaller diameter, flow channel 101 are ideal with 0.254 millimeter to 0.559 millimeter of equivalent diameter.
The equation for obtaining equivalent diameter is DE=4 × (cross section of fluid channel product)/(total length on the wet side of cross section of fluid channel), medium be transmitted to
The heat of heat exchanger tube 100 carries out heat exchange, and body portion 200 is formed by the first material of aluminum or aluminum alloy strip
, the both ends 201 of the first material in the width direction are mutual in the width direction in one end of heat exchanger tube 100 102
Engagement and soldering, so that they are not separated each other, also, the other end 103 of heat exchanger tube 100 is base in the width direction
The center of this upper first material is by curved part.Inner fin 300 is second of material roll bending formation by aluminum or aluminum alloy band
Made of, the spacing P between inner fin top is 1 millimeter or smaller, and inner fin 300 is molding suitable in the roller of body portion 200
When the stage is inserted between the first material and is arranged in body portion 200.Specifically, in 310 He of the top of inner fin 300
In the case where the inner surface soldering of body portion 200, at least one of the first material and the second material are coated with brazing material,
And the structure that the second material is only coated with brazing material, reason for this is that the uses of inhibition brazing material to the smallest need
It measures.Firstly, siliceous solder is the indispensable material of soldering, but can become the reason of core material corrodes after being brazed, therefore, it is intended that
Brazing material is suppressed to quantity as small as possible, also, by the way that core material and brazing material are stacked and wound with defined ratio
Come produce with brazing material cladding material so that the thickness of the clad of brazing material relative to material thickness have it is lower
The limit.According to the prior art, the lower limit of coating thickness is about the 5% of material thickness, in addition, in the thickness for comparing the first material
In the case where the thickness T2 for spending T1 and the second material, in view of the structure of heat exchanger tube 100, the thickness T2 of the second material can be
It is thinning to a certain extent.As a result, only the second material is ideally coated with brazing material, brazing material is determined as on a small quantity,
Meanwhile first material end and brazing material be brazed, brazing material by it is above-mentioned act in soldering oven by capillary work
It is penetrated into from tank 30.According to this structure, it is possible to reduce the quantity of used brazing material, and can reduce the first material
Silicon diffusion layer depth, so as to so that the thickness of the first material is thinning.In order to improve inner fin 300 to body portion 200
Support strength and inner fin 300 durability, the end 301 of the second material in the width direction is soldered to the first material
On, brazing material is coated on the second material.The end 301 of second material and the soldering of the first material prevent the second material
End 301 fluctuated by flow media, and the stability of the durability of heat exchanger tube 100 and medium flow field can be by for certain
It improves.The thickness T1 of first material is 0.25 millimeter or smaller, the thickness T1 of the first material be 0.18-0.24mm be it is ideal,
Also, sacrificial layer is set by AZ-Zn alloy-layer, to improve corrosion resistance of the heat exchanger tube 100 on the first material surface,
First material becomes the shell of heat exchanger tube 100.
The sequencing of above embodiments is not only for ease of description, represent the advantages or disadvantages of the embodiments.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that:It still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features;
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (5)
1. a kind of heat exchanger tube, which is characterized in that including:Body portion constitutes the flow channel for making media flow
Shell and corrugated inner fins are to be soldered to inner surface of tube body at the top of the inner fins for separating flow channel
Flat tube, carry out heat exchange with the heat for being transmitted to pipe in top medium, wherein be brazed the top of inner fins and described
Brazing material needed for the inner surface of body portion is not coated on the first material for constituting the first material, the body portion
But cladding constitutes the second material of inner fin.
2. a kind of heat exchanger tube according to claim 1, it is characterised in that:The cladding of brazing material in second material
The thickness of layer is relative to the second material with a thickness of 5-10%.
3. a kind of heat exchanger tube according to claim 1, it is characterised in that:Wherein the second material with a thickness of 0.1 milli
Rice is smaller.
4. a kind of heat exchanger tube according to claim 3, it is characterised in that:Wherein the second material has 0.05 to 0.07
The thickness of millimeter.
5. a kind of heat exchanger tube according to claim 1, it is characterised in that:Wherein the first material have 0.25 millimeter or
Smaller thickness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810834413.8A CN108826761A (en) | 2018-07-26 | 2018-07-26 | A kind of heat exchanger tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810834413.8A CN108826761A (en) | 2018-07-26 | 2018-07-26 | A kind of heat exchanger tube |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108826761A true CN108826761A (en) | 2018-11-16 |
Family
ID=64140908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810834413.8A Withdrawn CN108826761A (en) | 2018-07-26 | 2018-07-26 | A kind of heat exchanger tube |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108826761A (en) |
-
2018
- 2018-07-26 CN CN201810834413.8A patent/CN108826761A/en not_active Withdrawn
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5579837A (en) | Heat exchanger tube and method of making the same | |
US20070119581A1 (en) | Heat exchanger tube | |
US20100270012A1 (en) | Automotive heat exchanger to the unification of header and tank and fabricating method thereof | |
KR20020001605A (en) | Heat exchanger having plural tubes connected to header tanks by brazing | |
JP3965901B2 (en) | Evaporator | |
JP2006078163A (en) | Flat tube, plate body for manufacturing flat tube, and heat exchanger | |
JPH0926278A (en) | Heat exchanger refrigerant flow pipe and car air-conditioner condenser | |
US20090159247A1 (en) | Tube assemblies and combo-coolers incorporating the same | |
CN108826761A (en) | A kind of heat exchanger tube | |
JP2018124034A (en) | Tube for heat exchanger | |
KR101061825B1 (en) | Heat exchanger for car with integrated header tank and manufacturing method thereof | |
JP4626472B2 (en) | Heat exchanger and heat exchanger manufacturing method | |
JP3906814B2 (en) | tube | |
JP2016044847A (en) | Heat exchanger | |
JP2020041789A (en) | Heat exchanger, pipe expanding member, and air conditioner with heat exchanger | |
JP2001330391A (en) | Heat exchanger | |
JP3815963B2 (en) | Heat exchanger | |
JP5066709B2 (en) | Manufacturing method of flat tube | |
JP2009008347A (en) | Heat exchanger | |
JP2001255096A (en) | Heat exchanger | |
US12050067B2 (en) | Heat exchanger with aluminum alloy clad tube and method of manufacture | |
US20210348859A1 (en) | Heat exchanger with aluminum alloy clad tube and method of manufacture | |
JP2004069258A (en) | Flat tube, and method of manufacturing heat exchanger using flat tube | |
JP2006320935A (en) | Method for manufacturing heat exchanger | |
JP2007232233A (en) | Heat exchanger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181116 |