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WO2014071925A9 - Procédé de production d'un collecteur sur une natte de tubes capillaires, et collecteur sur une natte de tubes capillaires - Google Patents

Procédé de production d'un collecteur sur une natte de tubes capillaires, et collecteur sur une natte de tubes capillaires Download PDF

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Publication number
WO2014071925A9
WO2014071925A9 PCT/DE2013/100381 DE2013100381W WO2014071925A9 WO 2014071925 A9 WO2014071925 A9 WO 2014071925A9 DE 2013100381 W DE2013100381 W DE 2013100381W WO 2014071925 A9 WO2014071925 A9 WO 2014071925A9
Authority
WO
WIPO (PCT)
Prior art keywords
capillary tube
tube mat
manifold
channel segment
mat
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.)
Ceased
Application number
PCT/DE2013/100381
Other languages
German (de)
English (en)
Other versions
WO2014071925A2 (fr
WO2014071925A3 (fr
Inventor
Volker Schubert
Torsten Enders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Watas Warmetauscher Sachsen GmbH
Original Assignee
Watas Warmetauscher Sachsen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Watas Warmetauscher Sachsen GmbH filed Critical Watas Warmetauscher Sachsen GmbH
Priority to EP13814423.3A priority Critical patent/EP2917676B1/fr
Publication of WO2014071925A2 publication Critical patent/WO2014071925A2/fr
Publication of WO2014071925A9 publication Critical patent/WO2014071925A9/fr
Publication of WO2014071925A3 publication Critical patent/WO2014071925A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • 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
    • 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
    • F28F9/162—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using bonding or sealing substances, e.g. adhesives
    • 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
    • F28F9/165—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using additional preformed parts, e.g. sleeves, 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
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials
    • F28F2275/025—Fastening; Joining by using bonding materials; by embedding elements in particular materials by using adhesives

Definitions

  • the invention relates to a method for producing a collecting line on a capillary tube mat. It also relates to manifolds on a capillary tube mat and corresponding arrangements for manifolds on capillary tube mats.
  • connection techniques must be created individually on each capillary tube. They are suitable up to outside diameters of 1 mm.
  • capillary tubes which are executable with their outer diameters down to a few pm.
  • Such types of microcapillaries can be processed, for example, by means of textile technology processes into textile fabrics or else into three-dimensional fabrics.
  • Corresponding proposals are contained in DE 10 2009 018 197 A1.
  • JP 04 035 926 A proposes a bundle of microcapillaries in an annular component and to connect both together by means of a potting compound.
  • Capillary tube mat - is a substantially flat structure containing capillary tubes which are connected at at least one end to at least one manifold, wherein the connection of the capillary tubes with the manifold after manufacture is no longer solvable.
  • the capillary tubes are, for example, tubes with outside diameters of about 2 mm down to a range of less pm.
  • Mikrokapillare - is a capillary tube, which has a very small inner diameter and plug, screw or clamp connections is not or only at considerable expense connected to a manifold.
  • Manifold - is an element with a larger cross section than the microcapillaries, through which a finite number of microcapillary ends are put together.
  • Strand-shaped component - is a molded part which originates from original and / or forming processes and preferably extends in one direction and which has at least one groove-shaped depression in the direction of the longitudinal extent.
  • Grooved recess - is a recess introduced into the strand-shaped molding by Ur- and / or forming operations depression.
  • Bedding layer - is a layer of a material which is suitable for receiving the planar structure of a capillary tube mat and firmly connecting the same to at least one collecting line or a strand-shaped molded part.
  • Conduit - is a cavity that forms along one or more strand-like moldings that communicates with ends of the microcapillaries and in which a heat exchange medium can circulate.
  • a collecting line is produced by a first method on a capillary tube mat, in which with the aid of a first and a second strand-shaped component (channel segment) a duct for the manifold is produced.
  • the capillary tube ends are connected after production of the manifold with this.
  • such a manifold is produced by a method in which a lower strand-shaped component (channel segment) is first used for the manifold.
  • This has a groove-shaped depression.
  • Before- given to this lower channel segment has a semicircular or u-shaped recess.
  • An end portion of the channel segment is configured to receive a bedding layer. This can be either a surface area or a groove.
  • the upper channel segment may be a cover plate having a width that covers at least the groove-shaped depression in the upper strand-like component (channel segment) and a part of the bedding layer.
  • An upper strand-shaped component (channel segment) can also have the same geometry as the lower channel segment. It is produced by prototyping or by forming.
  • a preferred embodiment of the manifold provides strand-like moldings (channel segments) having a portion with a groove-shaped recess and a planar portion (end portion) with the capillary tube mat resting on the planar portion.
  • the capillary tube mat Before applying the capillary tube mat to a carriage-fair section (end region) or a widened edge or into a groove of the strand-shaped molded part, it is possible to apply or introduce a bedding layer for the capillary tube mat.
  • the method for producing a manifold on a capillary tube mat may include an additional step in which the lower strand-like component (channel segment) with an upper strand-like member (channel segment) or a cover plate and the capillary tube mat is bonded.
  • the method may include an additional operation, in which either during the joining of the lower and upper strand-shaped component (channel segment) or the cover plate or permanently applied a contact pressure on the components involved in the formation of the manifold.
  • the method for producing the manifold may include an additional step in which the bedding layer is cured.
  • Lower and upper strand members may also be interconnected by thermal bonding techniques or by ultrasound.
  • a bedding layer containing reaction resins may provide a cold-solid adhesive which may be thermally or by radiation liquefied and subsequently cured again.
  • a further preferred embodiment can provide a reactive multicomponent mixture which hardens within a predetermined time interval after production of the manifold.
  • an additional operation may include cutting off the ends of the capillary tube mat protruding into the manifold. Preferably, this step is carried out when the protruding ends would hinder the flow in the channel cross-section of the manifold.
  • a differently configured method for producing collection lines according to the invention on a capillary tube mat can be that an intermediate structure is first formed on the end of a capillary tube mat.
  • An embodiment can provide, by means of an additional separating cut, the capillary tube ends which project into the cross section of the collecting line so far that they no longer substantially influence the flow in the collecting line.
  • This separation can be done directly during the positioning of the capillary tube to the manifold or even with permanently connected manifold using a special tool.
  • the end of a capillary tube mat with the open ends of the microcapillaries is positioned above the lower part of a mold in such a way that the ends of the microcapillaries project far into a first section of a later spatial form formed by the mold.
  • the capillary tube mat completely covers the first section of the cavity with the free ends of the microcapillaries and that the ends of the microcapillaries rest on the opposite side of the mold.
  • An upper part of the mold having a shaped second portion of a three-dimensional shape is then positioned over the lower part of the mold to close the mold.
  • the resulting spatial form is filled with a material which is preferably a casting material. Both extrudable and gravity-fillable molding compounds come into consideration. After filling the mold and solidifying the molding compound, the mold is opened and the capillary tube mat is removed with the molded intermediate structure.
  • an arrangement of the above-described intermediate structure is arranged such that it is arranged in the surface of a prefabricated capillary tube mat. That is, on both sides of the intermediate structure is usable area of a capillary tube mat.
  • the outer profile of the intermediate structure is designed in such a way that, after the parts have been split, two complete end structures of capillary tube mats are present.
  • the manifold may be created by means of a slotted sleeve member by bending the sleeve, positioning the end structure of the capillary tube between the legs of the sleeve, and then returning the sleeve to its original shape, leaving a residual stress. by which the tightness is achieved with respect to the end structure of the capillary tube mat.
  • the components used in the first method can be designed in different ways.
  • the solutions described below therefore offer further possibilities for doing so.
  • a preferred form of the lower strand-shaped component may be a plastic profile produced by continuous casting. Likewise, a formed by dividing and subsequent forming molded part can be used.
  • the groove-shaped recess and the planar section are covered with a plate-shaped component and tightly connected.
  • a further preferred embodiment of the manifold provides to use identical profiles for the first and the second strand-shaped molded part, so that only a single profile is necessary.
  • This can be produced in the case of thermoplastics, for example, by continuous casting or by thermoforming.
  • First and second strand shaped moldings are usually provided in finite lengths, these lengths being approximately equal to the required length of the manifold.
  • the bedding layer consists of a substance which is suitable for producing a permanently sealed connection between the components of the collecting line and the capillary tube mat. For this purpose, it is particularly suitable to penetrate the largely open structure of the capillary tube mat and thus eliminate the risk of pores and the like. Furthermore, the bedding layer of the connection of the parts of the manifold with each other and with the capillary tube mat can serve.
  • a particularly preferred embodiment of the strand-like molded parts provides for connecting first and second strand-shaped molded parts to one another by means of a so-called film hinge, so that all the enveloping components required for the production of the manifold can be provided as one part. In this case, only a portion of the strand-shaped molding must be folded, whereby the cross-section of the manifold is formed and at the same time the capillary tube mat is received and embedded.
  • Soft-elastic layers, adhesive layers, reactive resin mixtures and physically curable materials are therefore particularly preferred for the bedding layer.
  • the planar portion (end portion) may also be provided a widened edge.
  • Such a bedding layer is either yielding, viscous, pasty or can be liquefied by thermal treatment.
  • the bedding layer may also consist of a permanently elastic material.
  • the bedding layer consists of a resilient material, this may be a soft rubber lining in which the microcapillaries and the carrier fabric are pressed in and enclosed by the bedding material.
  • the thickness of the bedding layer corresponds at least to that of the capillary tube mat.
  • the bedding layer is made as an adhesive.
  • the capillary tube mat is then introduced into the adhesive layer and this completely and permanently sealed tightly when closing the manifold. Furthermore, a groove may be provided in a widened edge.
  • the intermediate structure can be advantageously produced from rubber-elastic materials. This is particularly advantageous if the intermediate structure has a low Shore hardness in its interior and a high Shore hardness on the outer shell.
  • the outer profile of the intermediate structure can be designed arbitrarily. Preference is given to profile shapes in which plane-parallel surfaces or areas with groove-shaped depressions are used either for the capillary tube mat.
  • the precursor of the capillary tube mat is present, for example, as a textile fabric in webs and the intermediate structures are to be introduced at specific length intervals.
  • Further embodiments may consist in that the sleeve-shaped component is produced from a spring material. Likewise, that it is a plastic part produced by prototyping, which can be sealed in addition to the spring action also cohesively or by means of a subsequent encapsulation with respect to the capillary tube mat.
  • a collecting line in the region of one end of a capillary tube mat is created in such a way that a tubular profile arises as a collecting line with openings present at the front ends.
  • a tubular profile arises as a collecting line with openings present at the front ends.
  • adapted end pieces and end pieces produced by known methods of mechanical engineering or plastics processing can be used.
  • all known connection solutions can be realized on the end pieces of the manifolds, so that specific application requirements can be taken into account at any time.
  • Fig. 1 - A first embodiment of the connection of a manifold to a capillary tube in an exploded view.
  • FIG. 3 Another embodiment of the upper end part in a side view.
  • Fig. 4 - An embodiment of the sheathing parts for the manifold, are connected to each other in the lower and upper part.
  • Fig. 5 - A second embodiment of the connection of a manifold to a capillary tube mat and its position with an intermediate step concerning the production of an intermediate structure by means of a molding tool.
  • Fig. 6 An end portion of a capillary tube mat with a molded intermediate structure.
  • FIG. 7 A capillary tube mat with molded intermediate structure and by a
  • FIG. 8 A manifold produced with an intermediate structure which is sealed by an additional treatment.
  • 9 shows a schematic representation of the possibility of attaching intermediate structures to sheet-like capillary tube mats in a continuous process and thus of producing prefabricated capillary tube mats.
  • An assembly with a capillary tube 1, a lower channel segment 2 and a cover plate 3 forms a manifold in the mounted state, wherein the end portion 4 of the capillary tube 1 with microcapillaries 5 is positioned on a flat portion 6 of the lower channel segment 2 and the cover plate 3 via this arrangement is mounted.
  • the end region 4 of the capillary tube mat 1 is positioned so that it projects into the channel cross section 7 of the lower channel segment 2. At the same time it lies on the flat portion 6 in a bedding layer 8, through which the capillary tube mat 1 receiving gap is filled to achieve the tightness.
  • the mass used for the bedding layer 8 may be overdosed, so that at the exit points 9 and 10 in the region of the capillary tube mat 1 and within the cross section of the manifold, a tight connection is achieved.
  • a channel segment 11 is used instead of a cover plate 3, which has as well as the lower channel segment 2 has an approximately semicircular channel cross-section 12. It is also possible to use other shapes of channel cross sections.
  • a capillary tube 1 is positioned over a lower channel segment 2 so that the end portion 4 of the capillary tube mat rests on a flat portion 6 of the lower channel segment 2 and at least protrude the ends of the microcapillaries 5 in the channel cross section 7.
  • a cover plate 3 or an upper channel segment 11 is disposed above the lower channel segment 2, placed on the same and tightly connected to the lower channel segment 2 and the capillary tube 1.
  • a further preferred embodiment of the manifold described in Fig. 1 provides to connect a lower channel segment 13 and an upper channel segment 14 by means of a film hinge 15 such that the manifold only needs the order of a bedding layer and the insertion of the end of the capillary tube mat.
  • a so-called bedding layer 8 can be arranged in an additional working step. This serves to create a tight seal between the channel segments 2, 11, 13 or 14 or the cover plate 3 and the capillary tube 1 by the irregular structure of the capillary tube 1 is introduced into the bedding layer 8 and this encloses the structural elements of the capillary tube 1 ,
  • the bedding layer 8 different materials come into consideration. For example, adhesives, reactive resin mixtures, physically curing mixtures or solvents that partially dissolve the material of the channel segments 2, 11, 13 or 14 and can embed a capillary tube mat 1.
  • the channel segments 2, 11, 13 or 14 can be generated for example by thermal deformation.
  • the generally preferred embodiment is that of a production by continuous casting, wherein the quasi endless manufacturable profile only needs to be cut to fixed lengths.
  • Another method of manufacturing the manifold is to position a capillary mat 16 over the bottom 17 of a mold such that the ends of the microcapillaries protrude at least into the portion 18 of the mold cavity.
  • the mold is closed by lowering the upper mold part 19 and subsequently filled with a molding compound.
  • the molding compound may be either a thermoplastic composition which is injected into the mold or a casting compound, for example a reaction resin mixture.
  • curing of the molding material is lifted the upper mold part 19 again and the capillary tube mat 16 removed with the intermediate structure 20 then located at the end. Thereafter, in a plane 21 a separating cut is carried out in such a way that a part of the intermediate structure 20 is separated and at the same time all capillary tube ends are cut off and thus opened.
  • the capillary tube mat 16 is preferably inserted so that its front end 22 protrudes beyond the mold. This avoids that individual microcapillaries take up the molding compound and thus may be permanently closed.
  • the capillary tube mat with the now existing end structure 23 has on its front side 24 open ends 25 of microcapillaries.
  • a sleeve-shaped member 26 is used which has resilient properties and acts with its opening 27 on the top 28 and bottom 29 of the end structure 23.
  • the spring action of the component 26 generates at the bearing surfaces 30 and 31 of the end structure 23 the necessary pressing force to close this area tight.
  • end structure 23 and the component 26 may additionally provide a potting, in particular in the transition areas 32 and 33 responsible for the tightness.
  • the end structure 23 may be coated with an adhesive and / or a sealant prior to assembly of the component 26.
  • all materials can be used, which are suitable over a longer period to ensure the necessary contact forces to achieve the tightness.
  • materials can be used, which are suitable over a longer period to ensure the necessary contact forces to achieve the tightness.
  • the methods according to the invention are designed in such a way that the arrangements described above are produced one after the other in the sequence as described, and finally a collecting line is present at one end of a capillary tube mat.
  • the invention has the advantage that it proposes methods for the production of busbars on capillary tube mats, which are primarily equipped with microcapillaries and which proposes the parts for their production, as well as solutions that are easy and inexpensive to implement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un procédé de production d'un collecteur sur des nattes de tubes capillaires surfaciques de telle façon que soit les nattes de tubes capillaires sont retenues dans un collecteur formé de segments de canal et dans une couche d'assise disposée sur les segments de canal, soit des structures intermédiaires et terminales rendant possible une liaison avec un composant tubulaire sont produites sur les nattes de tubes capillaires.
PCT/DE2013/100381 2012-11-12 2013-11-12 Procédé de production d'un collecteur sur une natte de tubes capillaires, et collecteur sur une natte de tubes capillaires Ceased WO2014071925A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13814423.3A EP2917676B1 (fr) 2012-11-12 2013-11-12 Procédé de production d'un collecteur sur une natte de tubes capillaires

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012110824.2 2012-11-12
DE201210110824 DE102012110824A1 (de) 2012-11-12 2012-11-12 Verfahren zur Herstellung einer Sammelleitung an einer Kapillarrohrmatte und Sammelleitung an einer Kapillarrohrmatte

Publications (3)

Publication Number Publication Date
WO2014071925A2 WO2014071925A2 (fr) 2014-05-15
WO2014071925A9 true WO2014071925A9 (fr) 2014-08-07
WO2014071925A3 WO2014071925A3 (fr) 2014-11-13

Family

ID=49884847

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2013/100381 Ceased WO2014071925A2 (fr) 2012-11-12 2013-11-12 Procédé de production d'un collecteur sur une natte de tubes capillaires, et collecteur sur une natte de tubes capillaires

Country Status (3)

Country Link
EP (1) EP2917676B1 (fr)
DE (1) DE102012110824A1 (fr)
WO (1) WO2014071925A2 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2983993A (en) 1955-08-01 1961-05-16 Olin Mathieson Sheet or plate metal articles having hollow sections and method of making the same
NL175545C (nl) * 1977-12-09 1984-11-16 Zimmerli Roland Element voor het opnemen van zonne-energie.
IT1159923B (it) * 1978-10-04 1987-03-04 Pirelli Terminale per panelli solari e dispositivo per collegare il terminale ad un pannello
US4187596A (en) 1978-10-20 1980-02-12 Nevins Robert L Method and apparatus for manufacturing a solar energy collector
JPS5872893A (ja) * 1981-10-23 1983-04-30 Bridgestone Corp 流体流通用マツトの製造方法
DE3205571A1 (de) * 1982-02-17 1983-08-25 Akzo Gmbh Vorrichtung, bei welcher waerme durch hohlfaeden uebertragen wird
JPH02306069A (ja) * 1989-05-19 1990-12-19 Showa Alum Corp 蒸発器
JPH0435926A (ja) 1990-05-31 1992-02-06 Daikin Ind Ltd 樹脂製中空糸束の端末成型方法および端末成型装置
DE4117273A1 (de) * 1991-02-06 1992-08-13 Linke Hofmann Busch Heizung fuer transport- oder lagerbehaelter mit in der querebene gekruemmtem behaeltermantel, insbesondere fuer zylinderaehnliche kessel von eisenbahnkesselwagen
WO2001027550A2 (fr) * 1999-10-12 2001-04-19 Sears Stephan B Panneaux echangeurs de chaleur et procedes de fabrication
DE10234212A1 (de) * 2002-07-19 2004-01-29 Behr Gmbh & Co. Flächenwärmeübertrager, insbesondere für Kraftfahrzeuge
DE102009018197A1 (de) 2008-04-24 2009-11-26 Scheller, Gudrun Charlotte Flächengebilde
DE102011001915A1 (de) 2011-04-08 2012-10-11 Torsten Enders Flächenhaftes Wärmetauscherelement

Also Published As

Publication number Publication date
EP2917676A2 (fr) 2015-09-16
DE102012110824A1 (de) 2014-05-15
DE102012110824A9 (de) 2014-07-03
WO2014071925A2 (fr) 2014-05-15
WO2014071925A3 (fr) 2014-11-13
EP2917676B1 (fr) 2016-12-21

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