EP3042140A1 - Tube sheet - Google Patents
Tube sheetInfo
- Publication number
- EP3042140A1 EP3042140A1 EP14753098.4A EP14753098A EP3042140A1 EP 3042140 A1 EP3042140 A1 EP 3042140A1 EP 14753098 A EP14753098 A EP 14753098A EP 3042140 A1 EP3042140 A1 EP 3042140A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bead
- web
- wall
- edge region
- region
- 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.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004049 embossing Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- F28F9/0229—Double end plates; Single end plates with hollow spaces
-
- 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
-
- 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
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
- F28F9/0224—Header boxes formed by sealing end plates into covers
- F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2225/00—Reinforcing means
- F28F2225/08—Reinforcing means for header boxes
-
- 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
- F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
Definitions
- the invention relates to a tube plate having a peripheral edge region for connection to a cover of a collecting box and having a bottom region with openings for receiving pipe ends, wherein the bottom region between adjacent openings provided webs, wherein the webs the longitudinally opposite portions of the edge region with each other connect.
- Heat exchangers in pipe-fin construction regularly have a collecting box formed from a box-type cover and a tube bottom.
- the tubesheet has a number of openings, in which the tubes of the heat exchanger are accommodated.
- due to the thermal loads and the pressure fluctuations occurs in the headers to heavy mechanical loads, which act in particular on the tube sheet and thus also on the recorded in the tube sheet tubes. This leads to a negative effect on the tubes and the tubesheet, which reduces the durability of the tubesheet and thus of the heat transfer altogether. Solutions are known in the prior art, provide soft reinforcing elements on the tube sheet, which absorb the mechanical stresses or counteracting them.
- published patent application DE 10 2006 005 421 A1 discloses an arrangement of cams in the tube bottom of a heat exchanger.
- the cams serve as an abutment for a usable in the tube sheet cover. In this case, they counteract in particular a deflection of the lid inwards.
- the cams are particularly advantageous because they are formed upwards, so away from the heat exchanger network and towards the lid and thus form a stop for the lid.
- the external forces acting on the lid which arise for example by the connection between the tube sheet and the lid, be greater.
- a circumferential bead for receiving the lid and / or a seal can be omitted, whereby the heat exchanger can be built in particular narrower.
- a disadvantage of the solutions in the prior art is that the provided on the tube sheets reinforcing elements are not optimally designed and not optimally disposed on the tube sheets to counteract deformation of the tube sheet and thus to ensure adequate relief of the recorded pipes.
- An embodiment of the invention relates to a tube plate having a peripheral edge region for connection to a lid of a collecting tank and having a bottom region with openings for receiving pipe ends, wherein the bottom region between adjacent openings provided webs, wherein the webs the longitudinally opposite portions of the edge region with each other connect, wherein at least one bead is provided, which extends along the edge region and / or from the edge region with a limited extent only in a portion of a ridge.
- the stability of the tubesheet as a whole can be increased. This is advantageous because it increases the durability of the tube plate and thus of the entire heat exchanger. It is particularly advantageous beads, which are arranged in the edge region or adjacent to the edge region of the webs, since there occur the largest loads during operation.
- the edge region has a U-shaped cross-section with a first wall, with a second wall and with a bottom, wherein the first wall is arranged facing the webs.
- a U-shaped cross-section of the edge region is advantageous since the shape of the edge region thus forms a receiving region for a foot of a cover of a collection box and optionally a seal.
- the openings are formed slot-like and parallel to each other.
- the slot-like openings are advantageous since flat tubes are used regularly, which are inserted into the openings.
- a parallel approach Order of the individual openings to each other facilitates the production of the tube plate and the installation of the heat exchanger.
- passages These at least partially encircling walls form so-called passages.
- the passages increase the stability of the tube bottom.
- an increased contact surface between the tubes and the tubesheet is produced by them, which in particular the durability of the connection between the tubes and the tubesheet is beneficial.
- circumferential walls at their longitudinal end portions which face the first wall of the U-shaped edge region, have chamfers.
- the bead is formed from above from the direction of the open U-shaped edge region into the tubesheet. In this way, a shape of the bead results down to the later recorded in the openings pipes. This increases the stability of the tubesheet.
- Embodiments of the bead can also be provided, which are completely or partially formed from above and / or from below into the tubesheet. Moreover, it is advantageous if the bead extends from the first wall to the web.
- a course of the bead from the first wall facing the web to the web is particularly advantageous, since the bead in this way produces a particularly good reinforcement of the web of the tube bottom. Moreover, it is expedient if in each case a bead is arranged on at least one of the webs at the two opposite end regions of the web.
- a plurality of beads is the stability of the tube bottom particularly beneficial.
- the depth of the bead decreases with increasing distance from the respective first wall of the edge region.
- Such a design is easy to implement in terms of manufacturing technology and furthermore has the advantage that the material thinning on the flanks of the webs, which arises as a result of the embossing of the beads, is kept as minimal as possible.
- the first wall of the edge region has an angled portion to the webs, wherein the opposite angled portions are connected by a flat portion of the web.
- the angled section of the wall increases the stability of the tube bottom.
- beads in this angled section further increase stability.
- Such a design is particularly advantageous because the beads in the angled sections are particularly easy to produce production technology.
- the bead extends from the angled portion of the first wall to the flat portion of the web along the angled portion.
- the bead extends over the angled section into the flat region of the web.
- An extension of the bead into the web can produce a further increase in stability.
- the range of higher stability is thereby extended from the edge region on the webs, which overall is a better durability of the tube sheet beneficial.
- the bead has an extension in the region of the first wall which extends in a direction transverse to the main extension direction of a web over the extension of the web.
- the maximum internal depth of a bead is determined by the maximum material deflection from the flat bottom area, minus the material thickness used.
- the object of the heat exchanger is achieved by a heat exchanger with the features of claim 15.
- One embodiment relates to a heat exchanger with a number of tubes which are accommodated at the end in at least one tube plate according to the invention.
- FIG. 1 is a perspective view of a tube sheet, wherein in the
- Transition areas between the webs, which space the openings, and the edge region beads are arranged, which leak to the middle of the webs out a sectional view through the tube sheet according to FIG. 1, wherein the section runs along the main extension direction of the webs and the sectional plane through one of the openings, a sectional view according to FIG. 2, wherein the cutting plane passes through one of the webs, a further perspective view of a Pipe bottom, the view is directed from above to the passages and the webs of the tube plate, a partial perspective view of an alternative embodiment of a tube sheet, wherein the edge region has a center of the tube bottom angled portion having a bead, a detailed view of the angled portion according to Fig. 5, and a schematic sectional view of a tube plate, wherein the section extends in a direction transverse to the main extension direction of the webs or the openings.
- FIG. 1 shows a perspective view of a tube plate 1.
- the tube sheet 1 has a peripheral edge region 2.
- This edge region 2 comprises a bottom region, which has a plurality of openings 3 arranged adjacent to one another.
- the openings 3 are separated from one another by webs 4, which connect the longitudinal regions of the edge region 2 with each other.
- the webs 4 are formed by a forming process from this flat bottom portion.
- the openings 3 in the figure 1, not shown passages have, which are also formed from the flat, flat floor area.
- the webs 4 each have a bead 5 at the end facing the edge region.
- This bead 5 extends from the end region at least over a partial region of the web 4 to the middle of the web 4.
- the depth of the bead 5 decreases, starting from the edge region 2 towards the center of the web 4 from.
- the beads 5 on the webs 4 each have an extension transverse to the main extension direction of the webs 4, which is greater than the extension of the webs 4 in this direction.
- the beads 5 thus protrude beyond the webs 4 in a direction transverse to the main extension direction of the webs 4, in particular in the contact region with the edge region 2.
- FIG. 2 shows a sectional view through the tube bottom 1 shown in FIG.
- the section runs along the main extension direction of the webs 4 or the openings 3.
- the sectional plane of FIG. 2 extends through one of the openings 3.
- the edge region 2 has a U-shaped cross-section, wherein the U-shaped cross-section through a first wall 6, a second wall 7 lying substantially parallel to this first wall 6 and a bottom 8, which connects the walls 6 and 7 with each other.
- the U-shaped edge region 2 forms a receiving region for a sealing element or for the foot of a cover of a collecting tank.
- the sealing element and the cover of the collecting tank can be inserted from above into the tubesheet.
- the edge region 2 or in particular the second wall 7, which is directed outwards, has an outwardly angled section in the upper region. This is used after insertion of a lid, not shown, a collecting box for fixing the foot of the lid within the receiving area in the tube sheet. 1
- a passage is characterized, which extends starting from the flat, flat bottom portion of the tube sheet 1 upwards the opening 3.
- the passage 9 forms a contact surface for pipe ends, which can be inserted into the openings 3.
- the contact area between the tubesheet 1 and the tubes, not shown is increased, whereby a more stable connection, for example by a soldering process, can be produced.
- the web 4 has a bead 5 at its two end regions, which respectively face the first wall 6 of the edge region 2.
- the bead 5 has its maximum depth in the region of the first wall 6 and runs with a depth that remains constant at the beginning in the direction of the center of the tube bottom 1.
- FIG. 2 shows a further sectional view through the tube bottom 1 already shown in FIGS. 1 and 2. In contrast to FIG. 2, the sectional plane extends through one of the webs 4.
- the tubesheet 1 has a course which essentially forms three planes.
- the bottom 8 of the edge region 2 forms the lower plane
- the region of constant depth of the bead 5 forms the middle plane
- the region of the web 4 corresponding to the bottom region forms the upper plane.
- the planes are each connected by oblique transitions.
- the bead may also be drawn further into the middle of the tube sheet in the web.
- the pitch angles or the depths of the bead can deviate in the individual areas.
- the web could be lowered or raised relative to the flat bottom region of the tube bottom. A lowering of the web with respect to the original floor area can advantageously be effected by embossing.
- the beads 5 are advantageously formed by an embossing process in the tube sheet 1.
- a tool is retracted from above from the direction of the open, U-shaped edge region 2 into the tubesheet 1 such that the beads, as shown in FIGS. 1 to 3, are formed.
- This embossing of the beads can advantageously be done in one operation with the molding of the edge region 2 itself.
- the depth of the bead increases with increasing distance from the first wall 6, remains constant or decreases.
- areas of increasing depth, uniform depth, or decreasing depth may be arbitrarily strung together.
- FIG. 4 shows a further perspective view of a tube plate 1.
- a shape is generated by the arrangement of the beads at the end regions of the webs 4, wherein the contour of the beads 5 and the web 4, run below the original bottom portion of the tube sheet 1. Both the bead 5 and the web 4 are deflected below the initial level of the bottom area. Upwards, above the bottom region, the passages 9 are formed, which are arranged in extension of the openings 3.
- the passages 9 shown in FIG. 4 have chamfers 12 at their longitudinal end regions.
- the areas of the tube plate 1, which have the openings 3 and the passages 9, are formed in comparison to the course of the web 4 and the beads 5, raised and beyond this.
- the second wall 7 has a vertically formed lower region and has an upper, outwardly angled region 11.
- a plurality of slot-like openings 10 are provided. These are used to produce a corrugated-slit curl between the tube sheet 1 and an insertable into the tube sheet 1 lid of a collecting tank, as they are widely known in solutions in the art.
- the passages 9 are formed on raised areas 13, which are raised in particular with respect to the beads 5 and the web 4. These raised areas 13 are formed essentially by the embossing of the beads 5 and possibly by the impressing of a recess in the region of the web 4. The raised areas 13 are thus beyond the original level of the floor area. or are at the same height, while the beads 5 and the web 4 are arranged below the original level of the bottom area,
- the raised areas may be designed higher or lower or completely eliminated, so that the passages with the webs may be at a level.
- FIG. 5 shows a view of an alternative tube plate 20.
- the tube plate 20 also has a plurality of openings which form upwardly formed passages 28, the openings or the passages 26 are spaced apart by webs 21, wherein the webs 21 formed flat are and form the bottom portion of the tubesheet 20.
- the passages 26 are deflected by a forming process from this floor area.
- the circumferential edge region 22 has a first wall 23, which faces the webs 21, a second wall 25 and a bottom 24, which connects the first wall 23 with the second wall 25. Connected to the substantially perpendicular part of the first wall 21, an angled to the middle of the tube plate 20 section 28 is shown. The opposite angled portions 28 are connected to each other by the flat web 21 ..
- a bead 27, which extends along the angled section 28, is arranged by way of example in FIG.
- the bead 27 is introduced by a shaping tool, for example by an embossing process from above, in the angled section 28.
- the bead 27 extends at least over the full width of the web 21 in a direction transverse to the main extension direction of the web 21.
- the bead 27 may also beyond the width of the web 21 and in particular over the length of the angled portion 28 also into extend the web 21 into it.
- at the two opposite angled portions 28 each have a bead 27 is arranged.
- FIG. 6 shows a detailed view of the tube bottom 20, with the bead 27, in particular, being shown between two passages 26 arranged adjacent to one another. It can be seen that the bead 27 has an elongated design, the center line of the bead 27 being connected to the between the passages 26 extending center line of the web 21 corresponds. As can be seen in Figure 6, the bead 27 may extend in width over the width of the web 21 addition. The width of the web 21 is the measure of the web 21 between adjacent passages 26th
- the bead 27 extends, as shown in Figures 5 and 6, of the bend between the first wall 23 and the angled portion 28 to the flat portion of the web 21st
- the bead may also be further drawn into the web 21.
- a combination of the beads of FIGS. 1 to 4 with the tubesheet of FIGS. 5 and 6 would be conceivable,
- the edge region 22 can be reinforced here. This is particularly conducive because in this area the strongest mechanical loads arise as a result of pressure fluctuations and movements within the heat exchanger.
- the tube sheet 20 is thus robust by the formation of the beads 27, which is beneficial for a longer durability.
- a similar effect is due to the beads 5 shown in Figures 1 to 4 at the tube sheet 1 from.
- FIG. 7 shows a schematic sectional view through a passage 32 of a tube plate 30 with a thereto adjacent web 33.
- the web 33 is formed in the sectional view as a U-shaped portion which is open at the top.
- the view of FIG. 7 corresponds to a section transverse to the main extension. direction of the webs 4 of Figure 2, wherein the section is guided immediately adjacent to the first wall 6 through the tube sheet 30.
- FIG. 7 shows, in particular, that the maximum internal depth 36 of a bead in the web 33 results from the maximum material formation 34 downwards out of the plane of the bottom region 31 minus the material thickness 35 of the tube bottom 30,
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013217689.9A DE102013217689A1 (en) | 2013-09-04 | 2013-09-04 | tube sheet |
PCT/EP2014/067844 WO2015032628A1 (en) | 2013-09-04 | 2014-08-21 | Tube sheet |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3042140A1 true EP3042140A1 (en) | 2016-07-13 |
EP3042140B1 EP3042140B1 (en) | 2019-08-21 |
Family
ID=51383734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14753098.4A Active EP3042140B1 (en) | 2013-09-04 | 2014-08-21 | Tube sheet |
Country Status (5)
Country | Link |
---|---|
US (1) | US10094627B2 (en) |
EP (1) | EP3042140B1 (en) |
CN (1) | CN105637315B (en) |
DE (1) | DE102013217689A1 (en) |
WO (1) | WO2015032628A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013227113A1 (en) * | 2013-12-23 | 2015-07-09 | MAHLE Behr GmbH & Co. KG | Heat exchanger with circumferential seal |
JP6547576B2 (en) | 2015-10-15 | 2019-07-24 | 株式会社デンソー | Heat exchanger |
US10215509B2 (en) * | 2016-06-21 | 2019-02-26 | Hanon Systems | Coined header for heat exchanger |
JP7511545B2 (en) | 2019-04-15 | 2024-07-05 | 株式会社ティラド | Heat exchanger tank core plate |
EP3872433A1 (en) * | 2020-02-28 | 2021-09-01 | Valeo Autosystemy SP. Z.O.O. | A heat exchanger and a header tank assembly therefor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2270471A1 (en) * | 1974-05-10 | 1975-12-05 | Chausson Usines Sa | Seal between water reservoir and heat exchanger - has rubber ring deformed between reservoir and heat exchanger flanges |
FR2742532B1 (en) * | 1995-12-13 | 1998-01-30 | Valeo Thermique Moteur Sa | REDUCED SIZE COLLECTOR PLATE FOR HEAT EXCHANGER |
JP2004301455A (en) * | 2003-03-31 | 2004-10-28 | Calsonic Kansei Corp | Header tank for heat exchanger |
DE102005002417A1 (en) * | 2005-01-18 | 2006-07-27 | Behr Gmbh & Co. Kg | Heat exchangers, in particular intercoolers or coolant radiators for motor vehicles |
DE102006005421A1 (en) | 2005-02-03 | 2006-08-10 | Behr Gmbh & Co. Kg | Heat exchanger e.g. for engine cooling system, has several tubes and box which is closed by bottom provided with openings and one of the tubes leads to box |
DE102006021763A1 (en) * | 2005-05-11 | 2007-05-24 | Denso Corp., Kariya | Soldered structure and method for producing the same |
CN100498190C (en) * | 2006-06-29 | 2009-06-10 | 株式会社电装 | Heat exchanger |
DE102007028792A1 (en) * | 2006-06-29 | 2008-01-31 | Denso Corp., Kariya | heat exchangers |
US20090255657A1 (en) * | 2008-04-15 | 2009-10-15 | Denso Corporation | Heat exchanger and method of manufacturing the same |
FR2951259B1 (en) * | 2009-10-08 | 2014-02-28 | Valeo Systemes Thermiques | COLLECTOR PLATE FOR HEAT EXCHANGER AND CORRESPONDING HEAT EXCHANGER |
FR2952711B1 (en) * | 2009-11-19 | 2012-01-20 | Valeo Systemes Thermiques | COLLECTOR PLATE, COLLECTOR BOX COMPRISING SUCH A PLATE AND HEAT EXCHANGER EQUIPPED WITH SUCH A BOX |
JP5821795B2 (en) | 2012-07-18 | 2015-11-24 | 株式会社デンソー | Heat exchanger |
-
2013
- 2013-09-04 DE DE102013217689.9A patent/DE102013217689A1/en not_active Withdrawn
-
2014
- 2014-08-21 WO PCT/EP2014/067844 patent/WO2015032628A1/en active Application Filing
- 2014-08-21 EP EP14753098.4A patent/EP3042140B1/en active Active
- 2014-08-21 CN CN201480048811.7A patent/CN105637315B/en active Active
-
2016
- 2016-03-04 US US15/061,422 patent/US10094627B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2015032628A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN105637315A (en) | 2016-06-01 |
DE102013217689A1 (en) | 2015-03-05 |
US10094627B2 (en) | 2018-10-09 |
WO2015032628A1 (en) | 2015-03-12 |
EP3042140B1 (en) | 2019-08-21 |
US20160187077A1 (en) | 2016-06-30 |
CN105637315B (en) | 2017-12-12 |
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