CN1163719C - Heat-exchanger for car-heating heat-exchanger or engine cooling apparatus - Google Patents
Heat-exchanger for car-heating heat-exchanger or engine cooling apparatus Download PDFInfo
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- CN1163719C CN1163719C CNB991179455A CN99117945A CN1163719C CN 1163719 C CN1163719 C CN 1163719C CN B991179455 A CNB991179455 A CN B991179455A CN 99117945 A CN99117945 A CN 99117945A CN 1163719 C CN1163719 C CN 1163719C
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- lid
- water tank
- flat tube
- pipe
- dividing plate
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Abstract
The present invention relates to an aluminum flat tube heat exchanger with double flow paths at least for automobiles. The present invention is provided with a water tank (6). The water tank (6) is communicated and connected with one end of flat tubes and is provided with a cover (10) and a tube base (8), wherein the free ends of the flat tubes with a plurality of flow paths are respectively inserted in seams of the tube base (8) and are brazed. The water tank (6) is divided into at least one entrance side subzone and one exit side subzone by at least one partition plate (30) which is arranged in a plane where a partition plate (36) is arranged, and the partition plate (36) is arranged between the adjacent flow paths of the flat tubes. The partition plate (30) of the water tank (6) and the free ends (16) of the flat tubes are inserted in slots or the seam of the tube base (8) in a cross way. According to the prescription of the present invention, kerfs which are arranged in the tube base are distributed along the edge (48) of the tube base (8). Tongue sheets (56) which are manufactured on the free edges of the cover (10) are inserted in the kerfs and are brazed.
Description
Technical field
The present invention relates to the heat exchanger that a kind of car-heating heat-exchanger or engine cooling apparatus are used.
Background technology
By the known a kind of heat exchanger of EP 0656517A1, it has the parallel flat tube that dual flow path is in a row arranged, flat tube by the mutual soldering of zigzag thin plate together, and there is at least one to be connected the water tank that flat tube one end has the pipe end and lid communicatively, wherein, flat tube becomes dual flow path by a baffle design along its longitudinal extension, and its free end is inserted dual flow path for the dividing plate both sides in flat tube respectively is in the seam at the bottom of the public pipe and soldering; The dividing plate that water tank is put in flat tube dividing plate plane by a piece of cloth is further divided into entrance side subregion and outlet side subregion; In the groove at the free end right-angled intersection ground insertion pipe end of the dividing plate of water tank and flat tube or the seam and in the groove of insertion lid; And, at the bottom of the pipe of water tank or lid and dividing plate and flat tube and in a zigzag thin plate make with aluminum or aluminum alloy.In this known heat exchanger, the soldering of dividing plate one side is in the groove of tank lid, on the other hand in the groove or seam of soldering at the bottom of the cistern tube.Also can stipulate alternately or by other packet modes once at the groove at the pipe end with once manage the seam and the dividing plate soldering at the end.
By the known a kind of heat exchanger of EP-0450619B1, especially as condenser, wherein, spherical collector of pressing in bearing is made up of the shell of two itself circles, and the splitting device of container is housed between shell.With the soldering of container splitting device be mounted in the shell by realizing in the groove that inserts this shell that shell has an otch that can pass container splitting device tongue piece at least in its bottom.
Under above-mentioned two kinds of known situations, dividing plate or container splitting device pack into and then soldering directly realize by means of the measure of on dividing plate or container splitting device, taking.Do not only very trouble like this, and in not have best insertion groove or seam (by the content of first open file of mentioning) or at groove with stitch when making up (by the content of second open file of mentioning) and can cause undesirable big joint clearance of brazing.Packing less danger is brought in this gap.
Summary of the invention
The objective of the invention is to be installed in dividing plate by heat exchanger tank lid of the present invention by the mode of fairly simple reliable soldering and to manage at the end.
For realizing this purpose, by the invention provides a kind of like this heat exchanger that is used for car-heating heat-exchanger or engine cooling apparatus, it has the parallel flat tube that dual flow path is in a row arranged, flat tube by the mutual soldering of zigzag thin plate together, and there is at least one to be connected the water tank that flat tube one end has the pipe end and lid communicatively, wherein, flat tube becomes dual flow path by a baffle design along its longitudinal extension, and its free end is inserted dual flow path for the dividing plate both sides in flat tube respectively is in the seam at the bottom of the public pipe and soldering; Water tank is further divided into entrance side subregion and outlet side subregion by a dividing plate that certainly is arranged in the flat tube dividing plate plane; In the groove at the free end right-angled intersection ground insertion pipe end of the dividing plate of water tank and flat tube or the seam and in the groove of insertion lid; And, at the bottom of the pipe of water tank or lid and dividing plate and flat tube and in a zigzag thin plate make with aluminum or aluminum alloy; It is characterized by: along the edge distribution at the pipe end some built in the otch of pipe in the end, the tongue piece on the lid free margins inserts in the otch and soldering.
By the present invention by between indivedual chimeric and solderings guarantee that dividing plate is fixed on the pipe end and covers on the water tank edge.Therefore minimum can be adjusted and remain to the dividing plate weld seam size that relates to the pipe end and lid, thereby the danger of blow-by is reduced greatly.
By DE 19515526C1, especially the heat exchanger that is used for automobile evaporator by the known a kind of specialized designs of Figure 10, wherein had along the collection tube feather edge distribute built in the otch of pipe at the end, the tongue piece of design on gatherer lid free margins inserts in the otch and soldering.Dividing plate along the gatherer longitudinal extension has first tongue piece and second tongue piece, and wherein first tongue piece passes seam with second tongue piece then with the present invention different the pass seams that cover of pipe at the end.Same different with the present invention be that here weld seam is definite by carrying out freely bringing in of jumping-up tongue piece from the outside.
According to a kind of favourable development of the present invention, the sealed back-off of shape by chase mortise formula engagement before the water tank soldering is machinery and pre-fixing on the periphery of water tank reliably.Can consider that aspect manufacturing technology this of any kind pre-fixes, for example jumping-up passes the free end that stretches out of otch of pipe end peripheral region at the tongue piece that covers; Upset free end etc.
By further favourable development of the present invention, the elasticity that allows to utilize tank lid with dividing plate in addition have pretightning force ground in the soldering front clamp at lid and pipe at the end, and thereby reach the possible weld seam of minimum.
For the time not having at the bottom of the mechanical defective ground compound tube as far as possible in assembling and lid, can prevent to manage the end and cover locked mutually by a lateral partitions, this be by with dividing plate at least at a local location in advance at least roughly along the direction location of inserting in the groove that covers, import then that the final position of engagement reaches.
Proved already that fixing on the water tank periphery often only need carry out at the place, two longitudinal sides of water tank, also automatically be fixed on then its distolateral on.
The invention is not restricted to clamp and the soldering dividing plate, and also comprise at least one cross wall by the content of second open file of mentioning, it can be contained between the pipe end and the lid and soldering similarly.
The pipe end and the fixing of lid periphery can be realized by means of bathtub construction, are shaped on the pipe partial cut-out at the end on the end of groove, are used for the tongue piece on the mounting cover.
For achieving the above object, press another aspect of the present invention, the method of a kind of like this manufacturing according to heat exchanger water tank of the present invention also is provided, it is characterized by: with flat sheet central authorities' stretching in such a way in first deep-draw process of aluminum or aluminum alloy system, promptly, also stay next flange-like flat zone around in the deformed area, on the free margins of this flange-like flat zone, stamp out tongue piece then, at last, this thin plate further is drawn into cup-shaped under the situation that the flange-like marginal zone is drawn in, in the perisporium plane after making tongue piece be oriented in this flange to draw in.
Description of drawings
Schematic diagram by means of a plurality of embodiment further illustrates the present invention below.
Wherein:
Fig. 1 heat exchanger perspective view, heat exchanger have the gatherer lid that lifts from the pipe end of exploded representation;
Fig. 2 vertically passes through the cutaway view of lid perpendicular to gatherer;
The side view of Fig. 3 lid;
Fig. 4 as the pipe of the single part of heat exchanger at the bottom of vertical view;
Fig. 5 is along the biopsy cavity marker devices enlarged drawing of Fig. 3 center line C;
Fig. 5 a is along the biopsy cavity marker devices enlarged drawing of Fig. 3 center line A;
Fig. 6 and 7 gatherer lid with manage first kind of tongue piece at the end and be connected the section and the stereogram of pattern;
Second kind of tongue piece of Fig. 6 a connects section and the stereogram of pattern perpendicular to Fig. 6 section plane;
Fig. 8 represents the gatherer lid perspective and the cut-away illustration of two procedure of processings; And
Fig. 9 is by the vertical section of coupling part at the bottom of the collection tube.
The specific embodiment
By the dual flow path heat exchanger of Fig. 1 the flat tube 2 of the parallel basis of one row as dual flow path arranged, their parallel flat sides toward each other, the thin plate 4 in a zigzag of between flat side, packing into, thin plate also is located at and is positioned on that outer flat side of outside flat tube in a zigzag.Thin plate 4 is brazing in by the aluminium that does not have expression among the figure with flat tube 2 and is welded into a monoblock in the heat exchanger of making mutually in a zigzag.
Be arranged in an end place on the sustained height at flat tube 2, water tank 6 is connected communicatively with flat tube.Water tank was made up of the pipe end 8 and lid 10, and they weld together mutually by aluminium solder brazing.Not only water tank, and flat tube, zigzag thin plate and the following some other member that also will introduce are all made with aluminum or aluminum alloy, so whole heat exchanger all is formed from aluminium basically.
Only establish a water tank 6 in this embodiment.As shown in Figure 4, some parallel seams 12 are arranged at the bottom of its pipe, they are respectively equipped with the flange 14 that stretches into water tank 6.The pipe end for example is the aluminium sheet manufacturing of 1.2mm with thickness.This thin plate is at position, the place otch of seam.The edge of otch is bent upwards into flange 14 again, as represented among Fig. 9.The end of dual flow path flat tube 2 is inserted the free end 16 that makes flat tube in its seam 12 separately and is stretched out above flange 14.
Return Fig. 1, be formed with annular sidewall 24 with can seeing the pipe ends 8 box-shaped by figure.Water tank 6 lids 10 are contained in the annular sidewall, and weld mutually by aluminium solder brazing by the mode that does not have expression among the figure.Lid 10 is with a dividing plate 30, and it is further divided into two subregions with water tank 6.Subregion is communicated with inlet 32 as the water of inner heat exchanging fluid, and another subregion is communicated with the outlet 34 of water.
2 of flat tubes are established a dividing plate 36 in central authorities, it be arranged in water tank baffle 30 residing same planes in.Dividing plate 36 is divided into two parallel passages 38 with each flat tube 2.Inner heat exchanging fluid countercurrent direction along outside air in passage flows.Because this counter-current relationship is so relate to the flat tube 2 of dual flow path.Turning back that flat tube flows back to the end of water tank 6, be by these two passages and thereby adjacent stream be communicated with and realize in not throttling ground there.In other words, in this bonding pad 40, dividing plate 36 has removed such segment length, that is, make the cross section of a passage 38 not be subjected to carry out the transition to temperately in the cross section of another passage 38.
Press the exploded view of Fig. 1, lid 10 has a upside, and the middle part of upside longitudinal length is towards the direction indentation at the end, upwards arches upward from the indentation district to two of lid are distolateral, so that be adapted to enter the mouth 32 and the cross section of outlet 34.Wherein, outlet 34 directly is communicated with outlet plenum 19, and outlet plenum separates by longitudinal baffle in the lid 30 and entrance cavity 20.In addition, inlet 32 passes longitudinal baffle 30 via an extension pipe 22 and is communicated with entrance cavity 20.
30 of longitudinal baffles in its with the edge of the pipe ends 8 adjacency on tongue-shaped extension 26 is arranged, they pass seam 28 insert pipe and outside at the end sealed ground of shape back-off firmly manage at the end, for example by overturning, pound limit etc.In addition, seal by soldering at these seams of the state of making.Seam 28 extends in a central area that is used to settle between the flange 14 of flat tube 2 free ends 16.
Press Fig. 9, the free end 16 of flat tube 2 inserts in the flange 14, and the free margins 42 of flat tube 2 is flushed with the free margins 44 of flange 14.
In addition, be distributed with some otch 50 on the edge 48 in pipe is in the pipe ends 8 extended surface the end basically, in otch, insert the tongue piece 56 on lid 10 sidewalls 54 free margins 52 and after assembling, then carry out soldering.Sidewall 24 from above-mentioned edge 48 at the outside at edge knuckle.Tongue piece 56 passes otch 50 and that side back to lid 10 has the end 58 of stretching out at the pipe end 8, and end 58 back-offs are firmly managed the end 8.As the situation of tongue piece 26, the end 58 of stretching out can overturn, towards riveting jumping-up or similarly post processing, to cause the sealed back-off of shape, then carries out soldering equally.
This pre-assembled is further simplified by following feature:
At first make tongue piece 56 have the importing inclined-plane 62 that shrinks towards tongue piece free end direction.Complementary with it is that otch 50 also has the inclined-plane 64 of importing.
Represented in two cutting plane A that longitudinally stagger and C, cover the different cross section of slot 60 as can be seen by comparison diagram 5a with 5, prolonging by of the distortion of the peripheral part by covering 10 grooves 60 of the slot 60 on the partial zones inner cap 10 of the cutting plane A of Fig. 5 a towards pipe end direction, and at the bottom of will cover 10 pipes that combine with pre-assembled 8 and dividing plate 30 form the importing inclined-plane 66 that a funnel-form is expanded when fitting together.
As shown in Figure 4, tongue piece 56 on the lid 10 and the otch 50 of pipe at the end 8 are arranged on two longitudinal sides of water tank.
There are such gatherer or water tank 6, they are not only cut apart by a dividing plate 30 along the water tank longitudinal extension simply, and in addition also has a cross wall at least, it is preferably same as dividing plate 30 uses the aluminum or aluminum alloy manufacturing, in any case and most and dividing plate 30 is in aggregates or link together by fixture.If this gatherer also has another external lug and meanwhile or infeed or discharge combination with a kind of inner heat exchanging fluid or several inner heat exchanging fluids in this same water tank at least, so just need one or more this cross walls.This type of cross wall lid 10 and the chimeric mode at the end 8 of managing can be with the dividing plate that extends longitudinally 30 that has illustrated identical.
As a kind of particularity, regulation is wherein inserted at the bottom of pipe cover 10 tongue pieces 56 8 otch 50 and is pressed Fig. 6 and 7 on the end of managing the end 8 cannelures 68, and the free margins 52 of lid just inserts in this annular groove 68.
At last, by with Fig. 6 and 7 and Fig. 6 a relatively, can see that end 58 that tongue piece 56 stretches out is in pipe different best back-off mode at the end 8.Under the situation of Fig. 6 and 7, pound the limit towards the pipe ends 8 bearing of trend from the side at end 58 central areas that stretch out, and be upturned by upset towards chock of axial embedding of tongue piece 56 and with this end at the central area of the end 58 of stretching out by Fig. 6 a.
The method for optimizing of water tank 6 lids 10 of making band tongue piece 56 is described by means of Fig. 8 at last.
The shape of the lid of representing with solid line in can acquisition figure in first central deep-draw process 10, wherein, around the deformed area that becomes the lid protuberance, still leave flange-like flat zone 70, at first tongue piece 56 stretches out in Flange Plane in flat zone 70, therefore can cut along pressing direction in this first deep-draw process.
After this punching press, the spatial modelling of the lid 10 that acquisition dots in Fig. 8 in second deep-draw process illustrates among this moulding some figure in front, and wherein tongue piece 56 is directed alignedly with the sidewall 54 of lid.
Claims (10)
1. the heat exchanger that is used for car-heating heat-exchanger or engine cooling apparatus, the parallel flat tube (2) that has dual flow path in a row to arrange, flat tube by the mutual soldering of zigzag thin plate (4) together, and there is at least one to be connected the water tank (6) that flat tube (2) one ends have (8) and lid (10) at the bottom of the pipe communicatively, wherein, flat tube (2) is designed to dual flow path by a dividing plate along its longitudinal extension (36), and its free end is inserted dual flow path for the dividing plate in flat tube (36) both sides respectively is at the bottom of the public pipe in the seam (12) on (8) and soldering; The dividing plate (30) that water tank (6) is put in flat tube (2) dividing plate (36) plane by a piece of cloth is further divided into entrance side subregion and outlet side subregion; The groove at the end (8) is managed in the dividing plate (30) of water tank (6) and the insertion of the free end right-angled intersection of flat tube (2) ground or seam is interior and insertion is covered in the groove (60) of (10); And, (8) or lid (10) and dividing plate (30) and flat tube (2) and zigzag thin plate (4) are made with aluminum or aluminum alloy at the bottom of the pipe of water tank (6), it is characterized by: the edge (48) along the pipe end (8) distributes some built in the otch (50) of pipe at the end, and the tongue piece (56) on lid (10) free margins (52) inserts in the otch and soldering.
2. according to the described heat exchanger of claim 1, it is characterized by: tongue piece (56) passes otch (50), and uses the end (58) of stretching out to fasten the pipe end (8) from the back side at the pipe end (8) back to that side of lid (10).
3. according to claim 1 or 2 described heat exchangers, it is characterized by: be fixed on by the tongue piece (56) that will cover (10) in the otch (50) of the pipe end (8) avris, before soldering, dividing plate (30) pretightning force is arranged be clamped in the groove (60) in the lid (10) at least and manage between the seam (28) at the end (8).
4. according to claim 1 or 2 described heat exchangers, it is characterized by: tongue piece (56) and/or otch (50) have the importing inclined-plane (62,64) that shrinks towards the free end direction of tongue piece.
5. according to claim 1 or 2 described heat exchangers, it is characterized by: the importing inclined-plane (66) of funnel-form expansion deepened and made to the groove (60) that holds dividing plate (30) on lid (10) in the suitable distortion in groove (60) zone on every side towards the direction of the pipe end (8) by lid (10) a partial zones at least.
6. according to claim 1 or 2 described heat exchangers, it is characterized by: the otch (50) on tongue piece (56) on the lid (10) and the pipe end (8) only is located on two longitudinal sides of water tank (6).
7. according to claim 1 or 2 described heat exchangers, it is characterized by: water tank has at least one cross wall with aluminum or aluminum alloy system, and cross wall itself inserts in the groove of lid (10) and in the groove or seam on the pipe end (8).
8. according to claim 1 or 2 described heat exchangers, it is characterized by: the pipe end (8) has an annular groove (68), and in free margins (52) insertion groove of lid (10), the otch (50) of the pipe end (8) is on the end of pipe base ring groove (68).
9. according to claim 1 or 2 described heat exchangers, it is characterized by: the seam (12) that wherein inserts a flat tube (2) respectively in the pipe end (8) is designed to stretch into the flange (14) in the water tank respectively, and flat tube (2) free margins (42) that inserts in the seam (12) on the pipe end (8) flushes with the free margins (44) of flange (14).
10. make method according to the described heat exchanger water tank of one of claim 1 to 9 (10), it is characterized by: with flat sheet central authorities' stretching in such a way in first deep-draw process of aluminum or aluminum alloy system, promptly, also stay next flange-like flat zone around in the deformed area, on the free margins of this flange-like flat zone, stamp out tongue piece then, at last, this thin plate further is drawn into cup-shaped under the situation that the flange-like marginal zone is drawn in, in the perisporium plane after making tongue piece be oriented in this flange to draw in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991179455A CN1163719C (en) | 1999-08-20 | 1999-08-20 | Heat-exchanger for car-heating heat-exchanger or engine cooling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991179455A CN1163719C (en) | 1999-08-20 | 1999-08-20 | Heat-exchanger for car-heating heat-exchanger or engine cooling apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1285499A CN1285499A (en) | 2001-02-28 |
| CN1163719C true CN1163719C (en) | 2004-08-25 |
Family
ID=5280346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991179455A Expired - Fee Related CN1163719C (en) | 1999-08-20 | 1999-08-20 | Heat-exchanger for car-heating heat-exchanger or engine cooling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1163719C (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10243416A1 (en) * | 2002-09-18 | 2004-04-01 | Behr Gmbh & Co. | Heat exchanger, in particular evaporator |
| CN101285630B (en) * | 2003-10-29 | 2010-06-16 | 昭和电工株式会社 | Heat exchanger |
| DE10354382A1 (en) * | 2003-11-20 | 2005-06-16 | Behr Gmbh & Co. Kg | Heat exchangers, in particular intercoolers for motor vehicles |
| FR2896276B1 (en) * | 2006-01-19 | 2008-02-15 | Airbus France Sas | DOUBLE FLOW TURBOMOTEUR PROVIDED WITH A PRECOLFER. |
| CN101975519A (en) * | 2010-10-30 | 2011-02-16 | 芜湖博耐尔汽车电气系统有限公司 | Parallel flow type heater core for vehicle air conditioner |
| CN102003912A (en) * | 2010-12-02 | 2011-04-06 | 深圳市金洲精工科技股份有限公司 | Collecting pipe, parallel-flow evaporator using same and processing method |
| CN102435089A (en) * | 2012-01-10 | 2012-05-02 | 无锡市鑫盛换热器制造有限公司 | Double-tube-pass heat exchanger sealing head |
| CN103485877B (en) * | 2013-09-05 | 2016-08-17 | 安徽汇展热交换系统有限公司 | A kind of water tank core |
| CN104279890B (en) * | 2014-10-22 | 2016-11-16 | 无锡宏盛换热器制造股份有限公司 | A kind of Double-tube-pass heat exchanger structure of heat shock resistance stress |
| CN105423803A (en) * | 2016-01-12 | 2016-03-23 | 扬州英谛车材实业有限公司 | Non-flared furnace-welded water tank with flat pipe additionally provided with convex hulls |
| CN107314691A (en) * | 2016-04-27 | 2017-11-03 | 丹佛斯微通道换热器（嘉兴）有限公司 | Header and heat exchanger for heat exchanger |
| CN110730896B (en) * | 2017-06-13 | 2021-03-12 | 马瑞利株式会社 | Tank mounting structure and tank mounting method |
| CN108679884A (en) * | 2018-04-11 | 2018-10-19 | 常州孚华电器有限公司 | Ice making evaporator |
| CN113574298B (en) * | 2019-03-11 | 2023-11-03 | 索尤若驱动有限及两合公司 | Speed reducer with shell and cooling device |
-
1999
- 1999-08-20 CN CNB991179455A patent/CN1163719C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1285499A (en) | 2001-02-28 |
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Granted publication date: 20040825 Termination date: 20180820 |