CN105423803A - Non-flared furnace-welded water tank with flat pipe additionally provided with convex hulls - Google Patents
Non-flared furnace-welded water tank with flat pipe additionally provided with convex hulls Download PDFInfo
- Publication number
- CN105423803A CN105423803A CN201610017268.5A CN201610017268A CN105423803A CN 105423803 A CN105423803 A CN 105423803A CN 201610017268 A CN201610017268 A CN 201610017268A CN 105423803 A CN105423803 A CN 105423803A
- Authority
- CN
- China
- Prior art keywords
- flat tube
- flat
- flat pipe
- water tank
- convex closure
- 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
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
-
- 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
- F28F2009/0285—Other particular headers or end plates
- F28F2009/029—Other particular headers or end plates with increasing or decreasing cross-section, e.g. having conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention relates to a non-flared furnace-welded water tank with a flat pipe additionally provided with convex hulls. The water tank comprises the flat pipe and a collecting main. The flat pipe is internally provided with two pipe cavities. The convex hulls are symmetrically pressed at the centers of the two ends of the pipe cavities in the flat pipe. The symmetrically pressed convex hulls push each other firmly and are in interference fit with flat pipe holes, and the length of each convex hull is smaller than that of the part, extending out of a flat pipe hole in the collecting main, of the flat pipe. The welding plane between the flat pipe and the collecting main are complete, and the welding surface between the periphery of the convex hulls and the collecting main is made to generate a stress area pressing the wall face, provided with the flat pipe hole, of the collecting main. The collecting main is formed by machining a tubular blank compounded with a welding layer, and one side of the collecting main is provided with a flat pipe hole welded to the flat pipe as well as small holes where side boards are inserted. The non-flared furnace-welded water tank is compact in structure, high in strength, good in heat exchange performance, high in finished product percent of pass and capable of lowering production cost.
Description
Technical field
The present invention relates to a kind of stove weldering formula water tank, particularly relate to a kind of flat tube and add convex closure not enlarging stove weldering formula water tank.
Background technology
This heat exchanger is mainly used in automobile air conditioning heater and engine cool part (being commonly called as water tank).The major function of warm braw be automobile cab is heated, mist elimination, defrosting.For driver provides good sight line, provide traffic safety.Radiator is then cool engine, prevents the heat exchanger of engine overheat.
Existing water tank is mainly made up of hydroecium 103, main leaf 102, interface 104, flat tube 101, fin 105, side plate 106, inlet/outlet pipe 111,112, O shape circle 108 and clip 109.Wherein main leaf, flat tube, fin and side plate are first combined into core body, treat that flat tube two ends pass the corresponding flat pipe hole of main leaf, with instrument, the manhole appendix at flat tube two ends is expanded 110 again, during to ensure that flat tube welds in stove with main leaf, the distortion of reason flat tube does not make gap become large, causes weld seam bad and scrap products.Therefore, hydroecium 103 must refill and be fitted on main leaf and get on (Fig. 3) after flat tube enlarging (Fig. 5), refills interface 104(Fig. 2 afterwards).Interface, hydroecium and main leaf split must design and produce and assemble according to the order of sequence.Product is so just caused to have following shortcoming:
1, after enlarging technique causes interface, hydroecium and main leaf to split into three, sealing welding each other must be completed in stove.And part sealing weld seam after splitting is many and grow, the poor rigidity of part, weld because the difficult control of thermal deformation very easily produces leakage in stove, product percent of pass is low.
2, while enlarging technique makes the tubing wall of flat tube end 107 extend out, the part 114 that part flat tube welds with main leaf occur because of machining stress interior flat incline resemble, seal welding was lost efficacy.Have to insert support 113 improved.But thoroughly do not improve stress distribution, add cost on the contrary.
3, product will increase Welding Structure because splitting part, and volume and weight is increased, cannot be miniaturized.And heat transferring medium (water) is distributed uneven (particularly when low discharge), cause degradation of heat exchange performance and temperature inequality.
4, assembly technology is complicated, and it is high that part makes required precision, causes frock to drop into many, complex process.Also high to the skill set requirements of workman.
Make product quality bad thus, qualification rate is low, and fault rate is high after sale, high expensive, and economic benefit is bad.
Summary of the invention
The present invention provides a kind of compact conformation to overcome the above problems, intensity is high, heat exchange property good, product qualified rate is high, reduce the flat tube of production cost adds convex closure not enlarging stove weldering formula water tank.
Technical scheme of the present invention is: described water tank comprises flat tube and header, two tube chambers are provided with in described flat tube, in described flat tube, the Central Symmetry at tube chamber two ends is suppressed with convex closure, the convex closure of described symmetry compacting pushes up reality mutually, and with flat pipe hole interference fit, and convex closure be shorter in length than the length that flat tube stretches out from collecting pipe flat pore, flat tube and header to weld plane complete, and make the solder side of convex closure periphery and header produce the stressed zone pressing to collecting pipe flat pore wall; Described header is processed by the tubulose blank of compound layer, and its side is provided with and the flat pipe hole of flat tube seam and the aperture with side plate plug-in mounting.
Flat tube in-out end two tube chambers are divided at least 4 import and export by described convex closure.
Described header section then becomes flat side's shape, and major axis maximum only can encase flat tube, and minor axis is ensureing, under the prerequisite that uniform fluid flow resistance is little, to flatten as far as possible.
Described header one end is flanged cylindric, can combine with inlet/outlet pipe clip and O type circle and seal, the compacting of other end afterbody seals, and punching has side plate installing hole.
The novel full stove that the present invention is made up of flat tube and the integral type header of convex closure end welds water tank, make long-term can to widely apply by the high-quality product of a soldering in the stove of large-scale popularization because yield rate is not high, can high with its intensity, the little compactedness of volume is high, heat exchange property good, after sale few, the technique of fault simple, invest many-sided omnibearing advantages such as little, material is single, environmental protection, cost are low, go other backward products alternative: such as aluminum-plastic water tank, tortoise shell-type water tank, main-sheet water tank etc.Its technology also can be used for the making of single flow and reverse-flow full aluminium stove weldering formula water tank and transforms the technology upgrading of prior art enlarging technique, and economic benefit is by inestimable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of flat tube in the present invention.
Fig. 3 is the side-looking structural representation of Fig. 2.
Fig. 4 is A place enlarged diagram in Fig. 3.
Fig. 5 is the structural representation of header in the present invention.
In figure, 1 is flat tube, and 2 is convex closures, and 3 is headers.
Detailed description of the invention
Flat tube adds convex closure not enlarging stove weldering formula water tank, described water tank comprises flat tube 1 and header 3, two tube chambers are provided with in described flat tube 1, in described flat tube 1, the Central Symmetry at tube chamber two ends is suppressed with convex closure 2, the convex closure 2 of described symmetry compacting pushes up reality mutually, and with flat pipe hole interference fit, and convex closure 2 be shorter in length than the length that flat tube 1 stretches out from header 3 flat pipe hole, flat tube 1 and header 3 to weld plane complete, and the solder side of convex closure 2 periphery and header 3 is produced press to the stressed zone of header 3 flat pipe hole wall, when making it weld intensification in stove, the direction of its distortion is the solder side being automatically affixed to flat pipe hole, reduce welded gaps.The flared method that the employing of ratio is traditional, how convex closure method flat tube and header have wanted height in the sealing reliability of furnace brazing.
Described header 3 is processed by the tubulose blank of compound layer, its side is provided with and the flat pipe hole of flat tube 1 seam and the aperture with side plate plug-in mounting, although product has gathered the function of multiple part, and uncomplicated, and the sealing weld seam deducted between multiple part, improve reliability.Owing to adopting tubular structure, after the function realizing multiple part, integration, enhances rigidity on the contrary, reduces the risk of leaking because of thermal deformation.
Flat tube 1 in-out end two tube chambers are divided at least 4 import and export by described convex closure 2, the hydraulic diameter imported and exported from flat tube 1 is significantly reduced, current pressure reduction is caused to strengthen at flat tube 1 import and export, flow velocity increases, for water inlet header 3, this will make static pressure in pipe rise, inhibitory action is produced to the uneven water flow distribution produced because of dynamic pressure, water-flow equation is inclined to average, for water outlet header 3, increase because of flat tube 1 exit velocity makes flat tube 1 export to be increased with the current difference in header chamber, the amount making flat tube exit momentum be transformed into collector static pressure increases, thus water outlet collector is increased the back pressure of flat tube 1 current, also water-flow equation is made to be inclined to average.And for flat tube 1, water flow velocity increases at entrance, strengthen the turbulent fluctuation of current, current point rear conjunction before convex closure 2 also increases the yardstick of turbulent fluctuation.Meanwhile, at convex closure 2, can produce eddy current too increases turbulent fluctuation to current below, and in flat tube 1 exit, because pressure reduction increases, static pressure is increased, thus the cavity that after inhibit current to cool, volume contraction produces, these changes all make heat exchange property and temperature homogeneity be improved, particularly during low discharge.
Described header 3 section then becomes flat side's shape, and major axis maximum only can encase flat tube 1, and minor axis is ensureing, under the prerequisite that uniform fluid flow resistance is little, to flatten, to reserve larger heat transfer space as far as possible.
Described header 3 one end is flanged cylindric, can combine with inlet/outlet pipe clip and O type circle and seal, the compacting of other end afterbody seals, and punching has side plate installing hole.
Claims (4)
1. flat tube adds convex closure not enlarging stove weldering formula water tank, it is characterized in that: described water tank comprises flat tube and header, two tube chambers are provided with in described flat tube, in described flat tube, the Central Symmetry at tube chamber two ends is suppressed with convex closure, the convex closure of described symmetry compacting pushes up reality mutually, and with flat pipe hole interference fit, and convex closure be shorter in length than the length that flat tube stretches out from collecting pipe flat pore, flat tube and header to weld plane complete, and make the solder side of convex closure periphery and header produce the stressed zone pressing to collecting pipe flat pore wall; Described header is processed by the tubulose blank of compound layer, and its side is provided with and the flat pipe hole of flat tube seam and the aperture with side plate plug-in mounting.
2. flat tube according to claim 1 adds convex closure not enlarging stove weldering formula water tank, it is characterized in that: flat tube in-out end two tube chambers are divided at least 4 import and export by described convex closure.
3. flat tube according to claim 1 adds convex closure not enlarging stove weldering formula water tank, it is characterized in that: described header section then becomes flat side's shape, and major axis maximum only can encase flat tube, and minor axis is ensureing, under the prerequisite that uniform fluid flow resistance is little, to flatten as far as possible.
4. the flat tube according to claim 1 or 3 adds convex closure not enlarging stove weldering formula water tank, it is characterized in that: described header one end is flanged cylindric, can combine with inlet/outlet pipe clip and O type circle and seal, the compacting of other end afterbody seals, and punching has side plate installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017268.5A CN105423803A (en) | 2016-01-12 | 2016-01-12 | Non-flared furnace-welded water tank with flat pipe additionally provided with convex hulls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017268.5A CN105423803A (en) | 2016-01-12 | 2016-01-12 | Non-flared furnace-welded water tank with flat pipe additionally provided with convex hulls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105423803A true CN105423803A (en) | 2016-03-23 |
Family
ID=55502185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610017268.5A Pending CN105423803A (en) | 2016-01-12 | 2016-01-12 | Non-flared furnace-welded water tank with flat pipe additionally provided with convex hulls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105423803A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145591A (en) * | 1994-11-24 | 1996-06-07 | Zexel Corp | Heat exchanger |
| JPH09229584A (en) * | 1996-02-23 | 1997-09-05 | Sanden Corp | Tube unit for heat exchanger and heat exchanger using the same |
| CN1189603A (en) * | 1997-01-20 | 1998-08-05 | 株式会社杰克塞尔 | Heat exchanger and its mfg. method |
| CN1203355A (en) * | 1997-05-19 | 1998-12-30 | 株式会社杰克赛尔 | Heat exchanger |
| CN1285499A (en) * | 1999-08-20 | 2001-02-28 | 瓦莱奥空调技术有限公司 | Heat-exchanger for car-heating heat-exchanger or engine cooling apparatus |
| CN1479070A (en) * | 2002-08-27 | 2004-03-03 | Lg������ʽ���� | Anti-leakage structure of refrigerant in heat exchanger and its forming method |
| CN1498788A (en) * | 2002-10-25 | 2004-05-26 | �����¶�������ϵͳ��˾ | Condenser for vehicle |
| CN101017063A (en) * | 2006-02-07 | 2007-08-15 | 昭和电工株式会社 | Heat exchanger and method of manufacturing the same |
| CN101281004A (en) * | 2007-04-03 | 2008-10-08 | 株式会社电装 | Tube for heat exchanger and method of manufacturing tube |
| CN101713605A (en) * | 2008-10-07 | 2010-05-26 | 昭和电工株式会社 | Evaporator |
| CN104508419A (en) * | 2012-09-19 | 2015-04-08 | 三菱重工汽车空调系统株式会社 | Heat exchanger |
| CN205373496U (en) * | 2016-01-12 | 2016-07-06 | 扬州英谛车材实业有限公司 | Flat pipe adds not flaring of convex closure stove and welds formula water tank |
-
2016
- 2016-01-12 CN CN201610017268.5A patent/CN105423803A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145591A (en) * | 1994-11-24 | 1996-06-07 | Zexel Corp | Heat exchanger |
| JPH09229584A (en) * | 1996-02-23 | 1997-09-05 | Sanden Corp | Tube unit for heat exchanger and heat exchanger using the same |
| CN1189603A (en) * | 1997-01-20 | 1998-08-05 | 株式会社杰克塞尔 | Heat exchanger and its mfg. method |
| CN1203355A (en) * | 1997-05-19 | 1998-12-30 | 株式会社杰克赛尔 | Heat exchanger |
| CN1285499A (en) * | 1999-08-20 | 2001-02-28 | 瓦莱奥空调技术有限公司 | Heat-exchanger for car-heating heat-exchanger or engine cooling apparatus |
| CN1479070A (en) * | 2002-08-27 | 2004-03-03 | Lg������ʽ���� | Anti-leakage structure of refrigerant in heat exchanger and its forming method |
| CN1498788A (en) * | 2002-10-25 | 2004-05-26 | �����¶�������ϵͳ��˾ | Condenser for vehicle |
| CN101017063A (en) * | 2006-02-07 | 2007-08-15 | 昭和电工株式会社 | Heat exchanger and method of manufacturing the same |
| CN101281004A (en) * | 2007-04-03 | 2008-10-08 | 株式会社电装 | Tube for heat exchanger and method of manufacturing tube |
| CN101713605A (en) * | 2008-10-07 | 2010-05-26 | 昭和电工株式会社 | Evaporator |
| CN104508419A (en) * | 2012-09-19 | 2015-04-08 | 三菱重工汽车空调系统株式会社 | Heat exchanger |
| CN205373496U (en) * | 2016-01-12 | 2016-07-06 | 扬州英谛车材实业有限公司 | Flat pipe adds not flaring of convex closure stove and welds formula water tank |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |