• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    SUMMARY The invention relates to a heat exchanger comprising plates (2, 3) stacked on top of each other forming a plate stack (1). In the plate stack (1), two adjacent plates (2, 3) are together configured to form a plate cassette (4, 6). A first channel (5) is arranged inside the respective formed cassette cassette (4, 6) and a second channel (7) is arranged between two adjacent cassettes (4, 6). In at least one of two adjacent plates (2, 3), one mounting dimple (8a, 8b) is the mounting top (9a, 9b) facing the adjacent plate (2, 3), wherein in at least one of said two adjacent plates (2, 3b) 3) a crater-shaped receiving dip (10a, 10b) comprising a bottom (11) is provided. The bottom (11) faces the adjacent plate (2, 3) comprising the mounting dimple (8a, 8b), the mounting dimple (8a, 8b) in that single plate (2, 3) being configured to be arranged in the crater-shaped receiving dimple (10a, 10b). ) of the adjacent plate (2, 3). Thereby it is obtained that said adjacent plates (2, 3) relative to each other are fixed to each other in a plane parallel to the respective plate comprising a fastening top (9a, 9b) arranged. heat transfer surface. Pub. Fig. 2
    公开号:SE0950578A1
    申请号:SE0950578
    申请日:2009-08-04
    公开日:2011-02-05
    发明作者:Sven Persson
    申请人:Airec Ab；
    IPC主号:
    专利说明:

    1015202530352Advantage achieved with a heat exchanger according to claim 1 is an included featurethat plates stacked on top of each other in a plate stack can be soldered to each other without external assistancesuch as support or the like. This is because the tiles can be stacked on top of each other according to the layoutwithout external extra support.
    Preferred embodiments of the device according to the invention have further been givenof the subclaims 2 - 12.
    According to an embodiment of the invention, the mounting dimple has a conformal shape and therethe top area of the cone is represented by the attachment top. Conformance is good asforce-bearing elements. This is due to that the cone has a mainly symmetrical structure with inmainly straight sides which are all associated with one and the same point or area, the so-calledthe wife's top area. This distributes a force that is applied to the conepeak area in fl your smaller forces which are distributed over the cone sides.
    According to a further embodiment of the invention, the mounting dimple extendsfrom a neutral plane and in the vertical direction from the neutral plane and with its attachment peak pasta first plane plate parallel to the neutral plane. The first plane is arranged on oneside of the neutral plane of the heat transfer surface. The heat transfer surface has a pattern. Thispattern extends on said side of the heat transfer surface between the neutral plane and itfirst planet. An effect of the attachment peak extending from the neutral plane and in the direction ofthe first plane as well as past the first plane is to the attachment top of the plate therebyis at a level outside, or above, the pattern plate. the mounting dimple isarranged in each plate to be located in the heat transfer surface of the plate.
    According to a further embodiment of the invention, the receiving dimple has aconical section extending with a section beginning from the neutral plane and as atthe neutral plane has a first diameter and in the vertical direction from the neutral plane towards and past onefirst plane and at a distance after this plane has a section end with a second diameterwhich is smaller than the first diameter. The receiving dimple is arranged in each plateto be in the heat transfer surface of the plate.
    According to a further embodiment of the invention, the section end is a threshold portionwhich is circular and extends around the receiving dimple. The threshold part consists of onearea with a surface shaped like a ring. Said surface to the threshold portion lies in a planewhich is parallel to the neutral plane of each plate. According to the above, the threshold portion is arranged ona level outside, or above, the pattern in the plate. l The heat transfer surface extends boththe pattern and the receiving dimple, as well as the mounting dimple from said neutral plane.
    According to a further embodiment of the invention extends in the receiving dimplefrom the threshold portion and in the direction of the neutral plane an internally conical part, which partcomprises a bottom enclosed by the cone-shaped section and which bottom isconfigured to face an adjacent plate comprising said1015202530353mounting dimple. The shape of the receiving dimple is similar to the shape of a crater.
    The imitation of a crater makes it clear, seen in the neutral plane, that the receiving dimple extendsfrom the neutral plane and in the direction of and past a first plane parallel tothe neutral plane. The first plane is located at a distance from the neutral plane.
    Length from the neutral plane to the threshold portion, seen in the vertical direction from the neutral plane, is longerthan the length of the pattern which extends on the same side of the plate and which extendsin the corresponding vertical direction from the neutral plane to the first plane. One effect of this is thatthe threshold portion thus, as previously mentioned, is located above, or past, the pattern inthe plate. At the threshold portion, the receiving dimple includes an inner portion having a conical shape.
    This inner part extends from the sill portion with direction, centrally throughthe receiving dimple, in the direction of the neutral plane. l a main level with the neutral plane hasthe side portions of the inner conical part radiated together, a bottom thereby beingformed. This bottom faces the first plane in a direction that extends fromthe neutral plane towards the first plane.
    According to a further embodiment of the invention, the plates are constituted in the plate stack,which together form the cassettes, of a plate type. One effect of this is that in the manufacture ofthe plates for the heat exchanger only need a press tool. The use of a press toolto produce the said one type of plate thus results in reduced manufacturing costs.
    According to a further embodiment of the invention, the plate type is provided with an A-side and a B-side. In the plate stack, the respective A-side of two adjacent plates faceeach other. Correspondingly, in the plate stack, the respective B-side of two is adjacentplates facing each other. Between the A-sides of two adjacent plates is a first channelarranged. A second channel is arranged between the B-sides of two adjacent plates. Throughthis channels are obtained through the plate stack where the first channel adjoins the secondthe channel through an intermediate plate. A medium that flows through the firstthe duct thus has heat transfer through the intermediate plate with a secondmedium in the second channel. Between two adjacent plates with each B-side turnedagainst each other, one plate in a plane parallel to the respective neutral plane is rotated in 180 °degrees.
    According to a further embodiment of the invention comprises the heat transfer surfacea pattern that on one side of the plate extends from a neutral plane to a first plane. Ona second opposite side extends the heat transfer surface with a pattern as on thisthe other opposite side of the plate extends from the neutral plane as above to a secondplan. The first and second planes are arranged on each side of the plate's neutral plane as wellarranged in parallel to this. The pattern can consist of either dimples or grooves arrangedaccording to known patterns such as e.g. fi skeletal shape.1015202530Brief description of the drawingsA preferred embodiment of the device according to the invention will now be describedmore specifically with reference to the accompanying schematic drawings, which only show those forunderstanding of the invention the necessary details.
    Fig. 1 shows part of a flat stack with two cross-sections A-A and B-B.
    Fig. 2 shows in detail the cross-sections A-A and B-B from Fig. 1.
    Fig. 3 shows a receiving dimple in plan view.
    Detailed description of different embodiments of the inventionFig. 1 shows part of a plate stack 1 for a heat exchanger. The plate stack 1 comprisesplates 2, 3, which are stacked on top of each other. Two adjacent plates 2, 3, form one respectivelycassette. In Fig. 1 through the plate stack, two cross-sections A-A and B-B are shown. Cross section A-Aand B-B are shown in more detail in Fig. 2 and explained in more detail in the text below.
    Fig. 2 shows two cross-sections arranged next to each other through the plate stack 1. Thethe left part of the figure shows the cross section A-A through part of the plates 2, 3, comprisingarrangements for counteracting shear between two adjacent plates forming oneplate cassette 4, 6. The right part of the figure shows cross section B-B through part of the plates 2, 3.comprising arrangements for counteracting shear between two adjacent cassettes 4,6. The thick transverse line through the plate stack 1 is inserted in the figure to clarifysaid left and right part of the figure.
    Fig. 2 shows a first and a second cassette 4, 6, which respective cassette comprisesa first plate 2 and a second plate 3. In a cassette 4, 6, a first channel 5 is arranged.
    Between two adjacent cassettes 4, 6, a second channel 7 is arranged. Respective channels 5, 7.is configured to flow through a respective medium. Respective medium irespective adjacent ducts 5, 7, have heat exchange between each other through aintermediate plate 2, 3, heat transfer surface.
    Two adjacent plates 2, 3, which form a cassette 4, 6, are provided with at leastan internal mounting dowel 8a and an internal mounting dowel 10a. The interiorthe mounting dim Sa extends from a neutral plane 0 arranged through the plate 3, which isparallel to the heat transfer surface of the plate 3, in the inward direction of the cassette 4, 6, and past a planenamed second plan ll. This second plane 11 is in the plate stack 1 arranged between two neutral planes0. In an adjacent plate 2, 3, which adjacent plate 2, 3 is represented by itsecond plate to the cassette 4, 6, for forming a cassette. In said breath-limiting plate 2,at the corresponding area which for the internal mounting dimple 8a is an internalreceiving dimple 10a provided. The mounting dome 8a comprises a mounting top 9a1015202530355which is arranged in an area past the second plane 11 of the extension of the mounting dowel 8afrom the neutral plane 0.
    The internal receiving dimple 10a extending with a section beginning12a from the neutral plane 0 of the plate 2 in the direction of and past the second plane 11 to a section end14a of the internal receiving dimple 10a. Central to the receiving dimple 10a is onebottom 11a arranged. The receiving dimple 10a has a shape that is to mimic a crater.
    The bottom 11a should therefore be seen as being arranged inside the receiving dimple 10a.
    The section end 14a has the shape of a circle or annular surface extending around itreceiving dimple 10a.
    When abutting between two adjacent plates 2, 3, a cassette 4, 6, is formedthe plates 2, 3, so that the inner mounting dimple 8a with itsmounting top 9a is provided inside the inner receiving dimple 10a. When attachingbetween the plates 2, 3, forming a cassette 4, 6, is thus displacement between the plates 2, 3,in planes parallel to the neutral plane of the plates prevented.
    Two adjacent cassettes 4, 6, in each plate are arranged with at least oneexternal mounting dimple 8b and an external receiving dimple 10b. The exteriorthe mounting dimple 8b extends from a neutral plane 0 arranged through the plate 3, which isparallel to the heat transfer surface of the plate 3, arranged in the direction out from the first channel 5in the respective cassette 4, 6. The external mounting dimple 8b has a continued stretchpast a plane called first plane 1. This first plane I in the plate stack 1 is arranged between twoneutral plane 0. In the plate stack 1, the first and the second plane I, 11, respectively, are arranged oneach side of an intermediate neutral plane 0. At an adjacent plate 2, 3, whichadjacent plate 2, 3 is represented by the plate of an adjacent cassette 4, 6, and whereinbetween them adjacent cassettes the second channel 7 is arranged. in said plate 3 tothe adjacent cassette, at the same area as the external onethe mounting dowel 8b is provided with an external receiving dowel 10b. Thismounting dimple 8b includes a mounting top 9b disposed in an area beyond thefirst plane I of the extension of the outer mounting dimple 8b from the neutral plane 0 idirection of an adjacent cassette 4, 6.
    The external receiving dipole 10b extending with an externalsection beginning 12b from the neutral plane 0 of the plate 3 in the direction of and past the first plane I toa section end 14b of the outer receiving dimple 10b. Central ithe receiving dimple 10b is provided with an external bottom 11b. The receiving dimple 10b hasa shape which in the same way as for the internal receiving dimple 10a is to be imitatedof a crater. The outer bottom 11b should therefore be seen as being arranged inside itexternal receiving dimple 10b. The outer section end 14b has a shape of acircle or annular surface extending around the receiving dimple 10b.1015206When abutting between two plates, 3 and 3, or 2 and 2, to two adjacentCassettes 4, 6, are said plates, 3 and 3, or 2 and 2, so configured that the externalthe mounting dimple 8b with its mounting peak Qb is arranged inside the outsidereceiving dimple 10b. When fastening between the cassettes 4, 6, there is thus a displacementbetween the cassettes 4, 6, in plane parallel to the neutral plane of the plates 2, 3 prevented.
    Fig. 3 shows a receiving dimple 10a, 10b, seen in a plan view arranged in part of aplate 2, 3. The receiving dimple 10a, 10b, is arranged in the heat transfer surface. One more reasonwhy you do not want to arrange the receiving dimple, or the mounting dimple in the edge area toplates 2, 3, is that it can be difficult to get sufficiently tight between two adjacent platesedge portions where they abut each other.
    The receiving dimple 10a, 10b, according to Fig. 3 is arranged from the heat transfer surfacewith a section beginning 12a, 12b. From the beginning of the section 12a, 12b then extendsthe receiving dimple in conformity to a section end 14a, 14b. This section end consists of onethreshold portion 16 which is annular. The section beginning 12a, 12b, has a first diameter13 which is larger than a second diameter 15 which the threshold portion 16 has. From the threshold section 16the receiving dimple 10a, 10b, with cone shape opposite the first cone shape, extends fromsaid threshold portion 16 to a bottom 11 of the receiving dimple 10a, 10b.
    The invention is not limited to the embodiment shown but can be varied andmodified within the scope of the appended claims, which have been partially described above.1015202530Reference designations:1. piattstapel2. 1st plate3. 2nd plate4. first cassette5. first channel6. second cassette7. second channelBa. internal mounting dimple8b. external mounting bracket!9a. internal mounting top9b. external fastening tpp10a. internal reception dimple10b. external reception dimpei11. bottom12a. inside section beginning12b. outside the beginning of the section13. first diameter14a. internal section end14b. external section end15. second diameter16th threshold section17. patternA. A-sideB. B-side0. neutralplanI. first floorIi. second plan
    权利要求:
    Claims (12)
    [1]
    A heat exchanger comprising plates (2, 3) stacked on top of each other forming a plate stack (1), in which plate stack (1) two adjacent plates (2, 3) are configured together to form a plate cassette (4, 6), wherein inside respectively formed a plate cassette (4, 6) a first channel (5) is arranged and between two adjacent cassettes (4, 6) a second channel (7) is arranged, wherein in at least one of two adjacent plates (2, 3) a mounting dome (8a, 8b) comprising a mounting top (9a, Qb) is arranged, which mounting top (9a, 9b) faces the adjacent plate (2, 3), wherein in at least one of said two adjacent plates (2, 3 ) a crater-shaped receiving dimple (10a, 10b) comprising a bottom (11) is arranged, which bottom (11) faces the adjacent plate (2, 3) comprising the mounting dimple (8a, 8b), the mounting dimple (8a, 8b) in one plate (2, 3) is configured to be arranged in the crater-shaped receiving dimple (10a, 10b) of the adjacent the plate (2, 3) wherein said adjacent plates (2, 3) are thereby fixed relative to each other in a plane parallel to the heat transfer surface of the respective plate.
    [2]
    Heat exchanger according to Claim 1, characterized in that the fastening dimple has a conical shape and in which the top area of the cone is represented by the fastening top.
    [3]
    Heat exchanger according to one of Claims 1 to 2, characterized in that the mounting dimle extends from a neutral plane and in the vertical direction from the neutral plane and with its mounting top past a first plane plate which is parallel to the neutral plane.
    [4]
    Heat exchanger according to any one of claims 1 to 3, characterized in that the receiving dimple has a conical section extending with a section beginning from the neutral plane and which at the neutral plane has a first diameter and in the vertical direction from the neutral plane towards and past a first plane and on a distance after this plane has a section end with a second diameter which is smaller than the first diameter.
    [5]
    Heat exchanger according to one of Claims 1 to 4, characterized in that the end of the section is a sill portion which is circular in shape and which extends around the receiving dimple.
    [6]
    Heat exchanger according to any one of claims 1 to 5, characterized in that in the receiving dimple extends from the threshold portion and in the direction of the neutral plane an internal conical part, which part comprises a bottom enclosed by the conical section and which bottom is configured to be turned against an adjacent plate comprising said mounting dimple.
    [7]
    Heat exchanger according to one of Claims 1 to 6, characterized in that the plates in the plate stack which together form the cassettes consist of a plate type. 10 9
    [8]
    Heat exchanger according to one of Claims 1 to 7, characterized in that the plate type is provided with an A-side and a B-side.
    [9]
    Heat exchanger according to one of Claims 1 to 8, characterized in that in the plate stack, the respective A-side of two adjacent plates face each other.
    [10]
    Heat exchanger according to claim 1, characterized in that in the plate stack, the respective B-side of two adjacent plates face each other.
    [11]
    Heat exchanger according to one of Claims 1 to 10, characterized in that the heat transfer surface comprises a pattern which, on one side of the plate, extends from a neutral plane to a first plane.
    [12]
    Heat exchanger according to one of Claims 1 to 11, characterized in that the heat transfer surface comprises a pattern which, on a second opposite side of the plate, extends from a neutral plane to a second plane.
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    同族专利:
    公开号 | 公开日
    SE534413C2|2011-08-16|
    WO2011016770A1|2011-02-10|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR1448155A|1965-06-17|1966-01-28|Chausson Usines Sa|Stacked Element Radiator Harness|
    EP0464875B1|1987-11-17|1994-12-21|Ebara Shinwa Ltd.|Heat exchanger for cooling tower|
    SE528275C2|2005-02-15|2006-10-10|Alfa Laval Corp Ab|Heat transfer plate with control means and heat exchanger comprising such plates|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE0950578A|SE534413C2|2009-08-04|2009-08-04|Locking device between plates in a heat exchanger.|SE0950578A| SE534413C2|2009-08-04|2009-08-04|Locking device between plates in a heat exchanger.|
    PCT/SE2010/050866| WO2011016770A1|2009-08-04|2010-07-23|Fixation element between plates in a heat exchanger.|
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