CN101672597B - Core of heat exchanger - Google Patents
Core of heat exchanger Download PDFInfo
- Publication number
- CN101672597B CN101672597B CN2009101861435A CN200910186143A CN101672597B CN 101672597 B CN101672597 B CN 101672597B CN 2009101861435 A CN2009101861435 A CN 2009101861435A CN 200910186143 A CN200910186143 A CN 200910186143A CN 101672597 B CN101672597 B CN 101672597B
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- Prior art keywords
- cold fluid
- fluid pass
- paper used
- strip
- sealing
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- 239000012530 fluid Substances 0.000 claims abstract description 115
- 238000007789 sealing Methods 0.000 claims description 70
- 238000009826 distribution Methods 0.000 claims description 2
- 230000008646 thermal stress Effects 0.000 abstract description 8
- 238000005192 partition Methods 0.000 abstract 2
- 238000001816 cooling Methods 0.000 description 6
- 238000005476 soldering Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a core of a heat exchanger, comprising a cold fluid channel and a hot fluid channels. The cold fluid channel and the hot fluid channel are distributed in an overlapping way, are partitioned by partition boards and are crossed in the extension direction. The edges of the two sides of the cold fluid channel are provided with cold fluid channel seal strips. The cold fluid channel comprises the two cold fluid channel seal strips and partition boards arranged above and below the cold fluid channel seal strips; the two cold fluid channel seal strips are respectively arranged at the inlet and the outlet of the hot fluid channel, and the cold fluid channel seal strip which is arranged at the inlet of the cold fluid channel is provided with a hole lengthwise. Because the cold fluid channel seal strip which is arranged at the inlet of the hot fluid channel is provided with the hole and is hollow, the flexibility of the hot fluid channel seal strip is improved, and the flexibility of the inlet of the whole hot fluid channel is improved accordingly. Therefore, the thermal stress impact to the core of the heat exchanger can be reduced, and the part of core of the heat exchanger, where the hot fluid flows past, can not crack due to the sudden change of temperature.
Description
Technical field
The present invention relates to a kind of fuse that is used for the heat exchanger of cooling down high-temperature medium.
Background technology
In industrial application, there are many occasions need use the heat exchanger of cooling down high-temperature medium, be exactly will the pressurized air that surpass 200 ℃ be cooled off through cold air or water such as the charge air cooler of vehicle motor; Air compressor air themperature after compression also surpasses 250 ℃ sometimes, must cool off with heat exchanger before use; And high-temp liquid also needs cooling sometimes.
The fuse of traditional heat exchanger is shown in accompanying drawing 14, and employed strip of paper used for sealing is solid on this traditional fuse, and the cross section roughly is rectangle or square.Adopt the heat exchanger of this traditional fuse bearing very big thermal stress load and mechanical load in the course of the work; Especially only be to flow through off and under the situation of heat exchanger at the cooling medium medium (hot fluid) that is cooled through heat exchanger constantly; Zone of heat liberation flows into the zone at hot fluid and is standing frequent temperature jump always; Each part of the rigidity heat exchanger core that can cause like this connecting and composing through soldering expands with heat and contract with cold continually; Cause cracking on the heat exchanger core, especially more serious in the place that soldering connects, thus the service life of having reduced cooling power and product.
Therefore, how to reduce heat exchanger core thermal stress, increase the service life, having become needs the problem that solves in the industry.
Summary of the invention
The present invention proposes for addressing the above problem, and its purpose just provides a kind of fuse of heat exchanger, can reduce the influence that thermal stress is impacted fuse.
For achieving the above object, the technical scheme that the present invention adopts provides a kind of fuse of heat exchanger, comprises stacked distribution and by separated cold fluid pass of dividing plate and zone of heat liberation, the bearing of trend of cold fluid pass and zone of heat liberation intersects each other.The place, both sides of the edge of cold fluid pass is provided with the cold fluid pass strip of paper used for sealing, and cold fluid pass is formed by two cold fluid pass strip of paper used for sealings and the dividing plate that is positioned at upper and lower sides; Two cold fluid pass strip of paper used for sealings lay respectively at the entrance and exit zone of zone of heat liberation, and its length direction of cold fluid pass strip of paper used for sealing upper edge that is in the entrance area of zone of heat liberation is offered porose, and promptly the cold fluid pass strip of paper used for sealing is the hollow strip of paper used for sealing.Through the mode of perforate on strip of paper used for sealing, the flexibility of the cold fluid pass strip of paper used for sealing of the entrance area that is in zone of heat liberation is strengthened, thereby can reduce the impact of thermal stress the entrance area of whole zone of heat liberation.
Preferably, Kongzui is opened in the middle part of cold fluid pass strip of paper used for sealing well, and the hole runs through the cold fluid pass strip of paper used for sealing along the length direction of cold fluid pass strip of paper used for sealing, and this perforate mode helps strengthening ideally the flexibility of strip of paper used for sealing.
Be on the cold fluid pass strip of paper used for sealing of entrance area of zone of heat liberation and can offer breach at the sidepiece in hole, this breach is communicated with the hole with cold fluid pass, more effectively to strengthen the flexibility of cold fluid pass strip of paper used for sealing.
And breach should be positioned at a side adjacent with cold fluid pass of cold fluid pass strip of paper used for sealing, and like this, breach is just directly relative with cold fluid pass.
In a kind of embodiment preferred, the hole can be circular port, and breach is a slots.The center line of breach can intersect with the axial line of circular port, and certainly, the center line of breach also can depart from the axial line of circular port.
In another kind of preferred version, the hole can be irregularly-shaped hole, and irregularly-shaped hole can have a plurality of, and can be interconnected between each hole, also can not be communicated with.
Preferably, be on the outer wall of cold fluid pass strip of paper used for sealing of entrance area of zone of heat liberation and preferably offer groove, to reach flexibility that strengthens the cold fluid pass strip of paper used for sealing and the effect that reduces temperature jump.
Further, be provided with in the cold fluid pass and improve the cold limit fin that heat exchange efficiency is used, cold limit fin is fixedly connected with the dividing plate of cold fluid pass upper and lower sides.
Further, in the cold fluid pass, the cold limit fin that flows into the zone at hot fluid has two-layer, and two-layer cold limit fin is up and down to putting, and two fins are connected with the dividing plate of upside and downside respectively accordingly.
Because technique scheme utilization; The present invention compared with prior art has advantage: on the one hand; After the cold fluid pass strip of paper used for sealing of the entrance area of zone of heat liberation is set to the hollow structure of perforate; The flexibility of cold fluid pass strip of paper used for sealing increases, and makes the flexibility of entrance area of whole zone of heat liberation strengthen, and so just can reduce the shock effect of thermal stress; On the other hand, through fluting, reduced the speed of temperature jump, thereby also reduced the generation of thermal stress in the cold fluid pass strip of paper used for sealing outside.Like this, the regional stress that just can avoid flowing at hot fluid is concentrated and the phenomenon that causes cracking.
Description of drawings
Accompanying drawing 1 is the three-dimensional exploded view of heat exchanger core implemented according to the invention;
Accompanying drawing 4 is the cutaway view of A-A shown in Fig. 3;
Accompanying drawing 5 is the vertical view of structure shown in Figure 3;
Accompanying drawing 6 is the part section enlarged drawing of heat exchanger core implemented according to the invention, has shown five kinds of multi-form strip of paper used for sealings among the figure;
Accompanying drawing 7 is the cutaway view of M-M shown in Fig. 6;
Accompanying drawing 8 is the cutaway view of N-N shown in Fig. 6;
Accompanying drawing 9-13 has shown the front view of five kinds of multi-form cold fluid pass strip of paper used for sealings implemented according to the invention;
Accompanying drawing 14 is the stereogram of traditional heat exchanger core;
Accompanying drawing 15 has shown the temperature changing curve diagram of traditional heat exchanger core;
Accompanying drawing 16 has shown the temperature changing curve diagram of heat exchange fuse implemented according to the invention;
Accompanying drawing 17 has shown a kind of part-structure enlarged drawing of heat exchanger core implemented according to the invention;
Accompanying drawing 18-21 has shown other the four kinds front elevations of cold fluid pass strip of paper used for sealing implemented according to the invention;
Wherein: 1, heat exchanger core; 2, dividing plate; 3, cold fluid pass strip of paper used for sealing; 4, cold fluid pass; 5, zone of heat liberation; 6, zone of heat liberation strip of paper used for sealing; 7, fluid flows into end socket; 9, fluid flows out end socket; 10, cold limit fin; 11, hot limit fin;
20, hole; 24, breach; 40, groove.
The specific embodiment
Followingly combine additional drawing to describe according to embodiments of the invention, for technological identical part in the past, only give identical reference marks, will omit and specify.
See the structure chart of a kind of heat exchanger core 1 shown in Fig. 1-8, consistent with conventional art is that cold fluid pass 4 also is provided with zone of heat liberation 5 intervals, intersection range upon range ofly, between cold fluid pass 4 and zone of heat liberation 5, is separated by dividing plate 2.Shown in Fig. 2-4; About the two cold fluid pass strip of paper used for sealings 3 that are provided with and two dividing plates that are positioned at its upper and lower 2 form sagittal cold fluid pass 4, about two zone of heat liberation strip of paper used for sealings 6 that front and back are provided with form with two dividing plates that are positioned at its upper and lower 2 to zone of heat liberation 5.As can be seen from Figure 5; Right ends at fuse is respectively arranged with fluid inflow end socket 7 and fluid outflow end socket 9; Hot fluid W flows into end socket 7 through fluid and flows into zone of heat liberation 5, in the process of zone of heat liberation 5 of flowing through from left to right, carries out heat exchange with the cold fluid V that gets in the cold fluid pass 4; Outflow the end socket 9 is flowed out from the fluid on right side in hot fluid W cooling back, supplies to work on use.The above and back can mention " on ", D score, " left side ", " right side ", " preceding ", " back " be relative location definition; With reference to figure 3; Above-below direction shown in the paper and left and right directions corresponding among this paper " on " and D score and " left side " and " right side ", and perpendicular to the direction of paper by from outer inside sequential definition " preceding " and " back ".
The cold fluid V that flows through in the cold fluid pass 4 is a cooling medium, and constantly through cold fluid pass 4, cold fluid V is a cold air usually, can certainly adopt other cooling mediums as the one of which.
Be respectively arranged with fin in cold fluid pass 4 and the zone of heat liberation 5; To improve heat exchange efficiency, these fins are connected respectively with dividing plate 2 through the mode of soldering, and are as shown in Figure 2; Be provided with cold limit fin 10 in the cold fluid pass 4, be provided with hot limit fin 11 in the zone of heat liberation 5.
For the heat resistanceheat resistant load that improves heat exchanger core 1 and the ability of mechanical load; Introduced the scheme of hollow strip of paper used for sealing in the present invention; This strip of paper used for sealing is mainly as cold fluid pass strip of paper used for sealing 3, and is placed in the entrance area of zone of heat liberation 5, still can use traditional solid strip of paper used for sealing at the exit region of zone of heat liberation 5; That kind shown in can certainly image pattern 3 is also used the hollow strip of paper used for sealing at the exit region of zone of heat liberation 5.Shown in Fig. 9-13 and Figure 17-21, have hole 20 on the cold fluid pass strip of paper used for sealing 3, this hole 20 can be circular port; Also can be irregularly-shaped hole; Hole 20 is preferably opened at the middle part of cold fluid pass strip of paper used for sealing 3 and is run through strip of paper used for sealing along the length direction of strip of paper used for sealing, and the middle part here refers in the cardinal principle centre position of strip of paper used for sealing at above-below direction, the situation of the circular port shown in Fig. 9-13; Hole 20 all roughly is in the middle part of strip of paper used for sealing; And in the situation of the irregularly-shaped hole shown in Figure 17-20, it is one or more that hole 20 can have, and porose 20 at the middle part that vertically basically all is in cold fluid pass strip of paper used for sealing 3.
Also can be on the cold fluid pass strip of paper used for sealing 3 in the hole 20 sidepiece offer breach 24, the side adjacent that breach 24 should be in strip of paper used for sealing with cold fluid pass 4, breach 24 is just directly relative with cold fluid pass 4 like this, and successfully with hole 20 and cold fluid pass 4 connections.And for the situation that a plurality of holes 20 are arranged, shown in Figure 17-18, between each hole 20; Breach 24 also capable of using is communicated with; Certainly also can not be communicated with between the irregularly-shaped hole, hole 20 shown in figure 19 itself has the situation of waveform, and this set mode also can effectively strengthen the elasticity of strip of paper used for sealing.For the situation of the circular port shown in Fig. 9-13, breach 24 is a slots, and the center line of breach 24 can intersect with the axial line of circular port, can certainly be on the virtual line of the axial line that departs from circular port, like Figure 10 and shown in Figure 12.
Among the embodiment shown in Figure 20, breach 24 is a thin-and-long, and hole 20 is substantially oblong-shaped, on the outer wall of cold fluid pass strip of paper used for sealing 3 (mainly being the position of 24 processes of breach), offers a plurality of grooves 40, and groove 40 is distributed in upside and downside.
For the embodiment of cold fluid pass strip of paper used for sealing 3 shown in Figure 21, on the lateral wall of cold fluid pass strip of paper used for sealing 3, have a plurality of grooves 40, these grooves 40 mainly play the effect that reduces temperature jump, also can strengthen the flexibility of cold fluid pass strip of paper used for sealing.Although this structure surface shown in Figure 21 seems not open interstitial hole, also be a kind of strip of paper used for sealing of implementing according to inventive concept, belong to category of the present invention.
Mention above; The cold fluid pass strip of paper used for sealing 3 of said structure mainly is used in the zone that high-temperature hot fluid flows into, and that is to say that upper and lower in the porch of zone of heat liberation 5 utilizes above-described cold fluid pass strip of paper used for sealing 3 more satisfactory, and this hollow strip of paper used for sealing is through perforate 20 and gap 24 and the mode of offering groove 40; Strengthen its flexibility; The heat resistanceheat resistant load of whole high-temperature hot fluid inflow region and the ability of mechanical load have also just been strengthened, when the porch of zone of heat liberation 5 flows into high-temperature hot fluid, because hot fluid flows into the flexible enhancing in zone; So can reduce the shock effect of thermal stress, thereby can avoid the seminess that causes because of temperature jump.
Cold fluid pass strip of paper used for sealing 3 shown in Figure 17-21 is for widening strip of paper used for sealing; Reach the purpose that reduces temperature jump through modes such as perforate 20 on these strip of paper used for sealings, gap 24, recessings 40; Also be desirable embodiment, wherein size, shape, quantity and the position of perforate fluting can be decided as the case may be.
In order further to reduce stress; Also can be according to that kind shown in Figure 6; Cold limit fin 10 in the cold fluid pass 4 is divided into two; Two cold limit fins are up and down to putting, and the cold limit fin 10a of upside is fixedly connected with the mode of the dividing plate that is in its upside 2 through soldering, and the dividing plate 2 that the cold limit fin 10b of downside and upside are positioned at its downside is fixedly connected through the mode of soldering.
In addition; Also can adopt the extruded hollow pipe profile to form at the zone of heat liberation 5 shown in Fig. 2 and Fig. 4, in this case, the structure of zone of heat liberation 5 changes with regard to some; Independently dividing plate 2 just no longer needs; But replace with the wall of hollow tube, certainly, the heat exchange fuse of this structure also belongs to category of the present invention.
Facts have proved; The heat exchanger core 1 of producing according to the variety of way of above narration; Can not appear at hot fluid again and flow into the zone and cause the phenomenon that cracks because of temperature jump, Figure 15 and Figure 16 show traditional fuse respectively and use the temperature changing curve diagram of the heat exchanger core 1 of cold fluid pass strip of paper used for sealing 3 implemented according to the invention, from these two charts, can find out; Particularly utilize shown in Figure 17-21 widen strip of paper used for sealing after, the temperature jump of heat exchanger core 1 is minimized.
Above embodiment only is illustrated fuse of the present invention to several embodiment shown in the drawings; In fact; Fuse can have multiple structural form; Its assembly cold fluid pass strip of paper used for sealing 3 (hollow strip of paper used for sealing) also has multiple shaped structure, is applicable to of the present inventionly to be not limited to illustrate and these forms of above explanation indication.
Claims (9)
1. the fuse of a heat exchanger; Comprise stacked distribution and by separated cold fluid pass of dividing plate and zone of heat liberation; The bearing of trend of said cold fluid pass and zone of heat liberation intersects each other; The place, both sides of the edge of said cold fluid pass is provided with the cold fluid pass strip of paper used for sealing, and said cold fluid pass is formed by two cold fluid pass strip of paper used for sealings and the dividing plate that is positioned at upper and lower sides, and two cold fluid pass strip of paper used for sealings lay respectively at the entrance and exit zone of zone of heat liberation; It is characterized in that: the cold fluid pass strip of paper used for sealing that is in the entrance area of zone of heat liberation is the hollow strip of paper used for sealing; Promptly its length direction is offered porosely in hollow strip of paper used for sealing upper edge, and the sidepiece in the hole on the cold fluid pass strip of paper used for sealing of the said entrance area that is in zone of heat liberation also has breach, and this breach is communicated with the hole with cold fluid pass.
2. according to the said fuse of claim 1, wherein, said hole is opened in the middle part of cold fluid pass strip of paper used for sealing, and the cold fluid pass strip of paper used for sealing is run through along the length direction of cold fluid pass strip of paper used for sealing in said hole.
3. fuse according to claim 1 and 2, wherein, said breach is positioned at a side adjacent with cold fluid pass of cold fluid pass strip of paper used for sealing.
4. fuse according to claim 1 and 2, wherein, said hole is a circular port, said breach is a slots.
5. fuse according to claim 1 and 2, wherein, said hole is an irregularly-shaped hole.
6. fuse according to claim 5, wherein, said irregularly-shaped hole has a plurality of.
7. fuse according to claim 1 and 2 wherein, offers groove on the outer wall of the cold fluid pass strip of paper used for sealing of the said entrance area that is in zone of heat liberation.
8. fuse according to claim 1 and 2 wherein, is provided with in the said cold fluid pass and improves the cold limit fin that heat exchange efficiency is used, and said cold limit fin is fixedly connected with the dividing plate of cold fluid pass upper and lower sides.
9. fuse according to claim 8 wherein, in the said cold fluid pass, is divided into two-layerly up and down at the cold limit fin of the entrance area of zone of heat liberation, two-layer cold limit fin is up and down to putting, and two fins are connected with the dividing plate of upside and downside respectively accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101861435A CN101672597B (en) | 2009-09-28 | 2009-09-28 | Core of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101861435A CN101672597B (en) | 2009-09-28 | 2009-09-28 | Core of heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101672597A CN101672597A (en) | 2010-03-17 |
| CN101672597B true CN101672597B (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101861435A Active CN101672597B (en) | 2009-09-28 | 2009-09-28 | Core of heat exchanger |
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| CN (1) | CN101672597B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202011052186U1 (en) * | 2011-12-05 | 2013-03-06 | Autokühler GmbH & Co KG | heat exchangers |
| CN102748983A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Hexagonal sealing tape for internal channel of plate-fin heat exchanger |
| CN102748981A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Arrowhead sealing tape for internal channel of plate-fin heat exchanger |
| CN102748984A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Opposite-angle A-type aluminum alloy sealing strip |
| CN102748982A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Passage porous sealing strip in plate-fin heat exchanger |
| CN102748985A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Double-convex structure sealing strip of heat exchanger |
| CN102748986A (en) * | 2012-07-05 | 2012-10-24 | 无锡金洋铝业有限公司 | Square-hole sealing strip of heat exchanger |
| CN103486885A (en) * | 2013-07-29 | 2014-01-01 | 无锡方盛换热器制造有限公司 | Core body structure used for large-cube high pressure resistant compressor heat exchanger |
| CN106163208A (en) * | 2015-03-24 | 2016-11-23 | 台达电子工业股份有限公司 | Heat exchange module and electronic device using same |
| CN106556279A (en) * | 2015-09-29 | 2017-04-05 | 泰安鼎鑫冷却器有限公司 | A kind of multi-part assembling radiating core body |
| CN107101516A (en) * | 2017-06-02 | 2017-08-29 | 杭州微控节能科技有限公司 | One kind mixing layer stacked heat exchanger |
| EP3473961B1 (en) | 2017-10-20 | 2020-12-02 | Api Heat Transfer, Inc. | Heat exchanger |
| CN108507380A (en) * | 2018-03-13 | 2018-09-07 | 浙江银轮机械股份有限公司 | A kind of sealing strip type radiator of heat shock resistance |
| CN111735329B (en) * | 2020-06-28 | 2021-08-03 | 贵州永红航空机械有限责任公司 | Novel high-temperature precooler for aircraft environmental control system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522226U (en) * | 2009-09-28 | 2010-07-07 | 爱克奇换热技术（太仓）有限公司 | Heat exchanger core |
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2009
- 2009-09-28 CN CN2009101861435A patent/CN101672597B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522226U (en) * | 2009-09-28 | 2010-07-07 | 爱克奇换热技术（太仓）有限公司 | Heat exchanger core |
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| CN101672597A (en) | 2010-03-17 |
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