EP1979696B1 - Dispositif de chauffage - Google Patents

Dispositif de chauffage Download PDF

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Publication number
EP1979696B1
EP1979696B1 EP07721886A EP07721886A EP1979696B1 EP 1979696 B1 EP1979696 B1 EP 1979696B1 EP 07721886 A EP07721886 A EP 07721886A EP 07721886 A EP07721886 A EP 07721886A EP 1979696 B1 EP1979696 B1 EP 1979696B1
Authority
EP
European Patent Office
Prior art keywords
housing
terminus
heating device
heating medium
implemented
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.)
Active
Application number
EP07721886A
Other languages
German (de)
English (en)
Other versions
EP1979696A2 (fr
Inventor
Wolfgang Schleiter
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.)
Viessmann Werke GmbH and Co KG
Original Assignee
Viessmann Werke GmbH and Co KG
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 Viessmann Werke GmbH and Co KG filed Critical Viessmann Werke GmbH and Co KG
Publication of EP1979696A2 publication Critical patent/EP1979696A2/fr
Application granted granted Critical
Publication of EP1979696B1 publication Critical patent/EP1979696B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
    • 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
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • 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

Definitions

  • the invention relates to a heater according to the preamble of patent claim 1.
  • a heater of the type mentioned is according to the DE 38 15 647 A1 known.
  • This consists of at least one spirally wound around a helical axis, by a heating medium (in this case, a refrigerant) through-flowable heat exchanger having flat ends and return coil ends and heating medium connections and which is formed a correspondingly coiled fürströmspalt defining, wherein at least one coil end a cap-like terminal housing connected liquid-tight and is arranged at this the heating medium connection.
  • FIG. 1 of the DE 38 15 647 A1 shows a solution with a simple and FIG. 2 a solution with a double helix twisted into one another.
  • Another heater is after the DE 102 11 489 C1
  • Such heaters equipped with double or multiple helices as heat exchangers are intended especially for larger power ranges.
  • the integration of the two coiled, formed from flat tubes heat exchanger takes place in said heater by welding with end walls on both sides (so-called boards), in which with regard to the slope of the two coiled flat tubes or the heat exchanger corresponding depressions are impressed, the open ends of there slope-fitting and obliquely cut flat tubes are connected to inlet and outlet openings in the boards (the oblique gate is production technology required because the boards are produced by deep drawing, thus no 90 ° angle is possible).
  • These boards must also be designed as a hollow board to flow and return chambers with flow and return ports to form for to be connected heat consuming circuits.
  • the invention is based on the object, and indeed with the proviso, while a total to create more favorable manufacturing conditions.
  • At least one end of the coil is cut off obliquely with respect to the helical axis and the end housing is likewise inclined in the opposite direction, preferably with the heating medium connection oriented in the helical axis direction in the cap-like closure housing.
  • the inflow and outflow openings are arranged at the helical ends in a direction inclined with respect to the flow direction plane to which the corresponding but oppositely cut termination or distribution housing are attached, ie between the helical end and the end housing is according to the invention an obliquely oriented plane (connection plane) is provided.
  • this oblique gate facilitates the connection of the terminal housing with the coil end, since all connecting edges are accessible without further spreading of the coil, for example, a welding process, which in coils in the sense of DE 102 11 489 C1 or DE 10 2004 005 048 A1 would not be possible, since the fürströmspalt (Heizgas penströmspalt) unlike DE 38 15 647 A1 is relatively tight.
  • the termination or distributor housing in side view are preferably designed substantially as right-angled triangles, the hypotenuse of which forms the connection side for the coil ends and on whose larger catheters the heating medium connection is arranged.
  • the solution according to the invention is in particular intended for heaters whose heat exchangers consist of at least two coiled tubing, in which it is therefore necessary to hydraulically connect the flat tube coils involved, to close them at their ends and to provide common heating medium connections.
  • the solution according to the invention is advantageously also suitable for heaters, which, for example, due to lower power requirements with only one coiled flat tube (ie a heat exchanger) get along.
  • the heater according to the invention in particular the function of a boiler (see again DE 102 11 489 C1 and DE 10 2004 005 048 A1 ). Accordingly, it is preferably provided that the at least one heat exchanger encloses a combustion chamber, which is seen in Wendelachscardi bounded at both ends of each end wall, wherein a housing consisting of a Manteilteil and the end walls is formed, enclosing the heat exchanger to form an exhaust gas space.
  • the cap-like closure or distributor housing can be made with their Bankmediumsan Whyn initially independent of the heat exchanger coils and on the coils themselves, apart from the liquid-tight connection of their adjacent walls, no overflow openings or other special manufacturing interventions are required to meet the invention
  • Forming the two heat exchanger coils as an essential element of the heater a dual function, namely on the one hand, the hydraulic connection of the two coils is made by the distributor housing, which also represent a convenient approach for the preferred oriented in Wendelachsplatz flow and return ports, and on the other hand, the heating medium return directly and concentrated supplied to the two coil ends and the supply side of the heating medium flow accordingly concentrated dissipated.
  • the cap-like terminal or distributor housing are formed in cross-section to the flow direction of the heating medium substantially corresponding to the opening cross-section of both spiral ends, d. h.,
  • the two cap-like distributor housing take up virtually no additional space and represent so far only a mecanickontur beginnere continuation of the coil ends.
  • the distributor housings are arranged starting from the lower flat tube or the lower flat tube helix with increasing hypotenuse with respect to the return feed and also the outflowing feed.
  • the terminal walls of the distributor housing opposite the attached helical ends can advantageously be concave or profiled in a concave manner on the inside.
  • the termination or distributor housing can be designed in the form of deep-drawn parts or in such a way that the distributor housing are each formed from one of their final form corresponding and réellefaltendem sheet metal blank. It is particularly preferably provided that the end housing in the form of a casting, in particular a precision casting, is formed.
  • the heater according to the invention continues to exist according to embodiment and with reference to the Figure 1 to 8 from two helically coiled, can be traversed by a heating medium and a correspondingly coiled fürströmspalt S for hot gases defining heat exchangers 1, 2, which are arranged as flat tubes F parallel to each other and into each other or screwed into each other as it were screwed.
  • connection heat exchanger 1, 2 which thus form a double helix, have two helical ends 3, 4, respectively, on the return and the flow side. 3 ', 4' (see FIG. 1, 2 ), wherein the two hydraulically connected with respect to heating medium connections 5 in connection heat exchanger 1, 2 enclose a cylindrical combustion chamber BR, which, seen axially (ie in the direction of the helix axis) is bounded at both ends of a respective end wall 6, 7 of which serves as a connection wall 6 for a burner B.
  • the forward and backward side coil ends 3, 4, 3 ', 4' are for the purpose of hydraulic connection of the two flat tubes F together in each case a cap-like, open to the flat tubes F open as distributor housing end housing 12 liquid-tight, each distributor housing, each with one of Heating medium connections 5 is provided.
  • the cap-like manifold housing in cross-section to the flow direction of the heating medium seen substantially the opening cross-section of both coil ends 3, 4, 3 ', 4' formed according to occupy as little space as possible.
  • FIGS. 4 to 6 are the inlet and outlet openings 14 at the coil ends 3, 4, 3 ', 4' according to the invention in a plane with respect to the flow direction inclined plane E (see FIG. 2 ), to which the corresponding opposite obliquely cut distributor housing attached, that are preferably welded.
  • the end housing 12 are in side view substantially as rectangular triangles whose hypotenuses H form the connection side for the coil ends 3, 4, 3 ', 4', at their larger catheters K each associated heating medium connection 5 is arranged.
  • the closure housing 12 with respect to the return flow and FIG. 2 from the lower flat tube F or from the heat exchanger 2, starting with rising hypotenuse H arranged.
  • the coil ends 3, 4, 3 ', 4' opposite end walls 13 of the manifold housing 12 may concave or inside be profiled profiled, as shown in the oblique sectional view according to FIG. 6 and 10 is illustrated with.
  • the vorerläuterten termination housing 12 are due to their simplicity readily produced as deep-drawn parts, but can also be formed in each case from one of their final shape corresponding and réellefaltenden sheet metal blank, one of which in FIG. 2A is shown for side view in triangular end housing 12, which form is preferred, as characterized by reference to FIG. 2 an optimized distribution of remindlaufzströmung and the flow outflow of the heating medium to the two coiled heat exchanger 1, 2 results.
  • the production or training of the distributor caps for example investment casting, wherein advantageously the respective heating medium connection 5 is formed integrally with the same (see FIG. 10 ).
  • FIG. 9 shows with reference to the heating medium connection 5 a preferred embodiment of the terminal housing 12 as a precision casting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Air-Conditioning For Vehicles (AREA)

Claims (12)

  1. Appareil de chauffage, comprenant au moins un échangeur de chaleur (1, 2) enroulé autour d'un axe hélicoïdal en forme de spirale, apte à être traversé par un fluide de chauffage, qui, en tant que tube plat, comporte des extrémités de spirale (3, 4) à l'avant et à l'arrière ainsi que des raccords à fluide de chauffage (5) et définit une fente de passage torsadée de façon correspondante, un boîtier terminal (12) du genre capot étant relié de façon étanche au fluide à au moins une extrémité de spirale (3, 4), tout en étant installe sur ce raccords à fluide de chauffage (5),
    caractérisé en ce que
    l'au moins une extrémité de spirale (3, 4) est coupée en biais par rapport à l'axe hélicoïdal, et le boîtier terminal (12) est formé avec une inclinaison inverse correspondante du côté de l'extrémité de spirale.
  2. Appareil de chauffage selon la revendication 1, dans lequel sont prévus au moins deux échangeurs de chaleur (1, 2) enroulés en forme de spirale, parallèles entre eux et insérés l'un dans l'autre, le boîtier terminal (12) étant formé comme un boîtier répartiteur et appliqué de façon étanche au fluide sur les extrémités de spirale (3, 4),
    caractérisé en ce que
    les extrémités de spirale (3, 4, 3', 4') des échangeurs de chaleur (1, 2) sont agencées respectivement côte à côte par paires formant une surface plane, les bords (R) de leurs parois (W) adjacentes étant respectivement reliés entre eux de façon étanche au fluide
  3. Appareil de chauffage selon la revendication 2,
    caractérisé en ce que
    les bords (R) sont reliés entre eux par liaison de matière, de préférence par une soudure.
  4. Appareil de chauffage selon l'une des revendications 1 à 3,
    caractérisé en ce que
    le raccord à fluide de chauffage (5) sur le boîtier terminal (12) du genre capot est orienté dans la direction de l'axe hélicoïdal.
  5. Appareil de chauffage selon l'une des revendications 1 à 4,
    caractérisé en ce que
    vu de côté et donc verticalement à l'axe hélicoïdal, le boîtier terminal (12) est formé essentiellement comme un triangle rectangle, l'hypoténuse du triangle étant reliée de façon étanche au fluide à l'extrémité de spirale (3, 4).
  6. Appareil de chauffage selon la revendication 5,
    caractérisé en ce que
    le raccord à fluide de chauffage (5) est installé sur la cathète la plus grande du triangle.
  7. Appareil de chauffage selon l'une des revendications 1 à 6,
    caractérisé en ce que
    le boîtier terminal (12), raccord à fluide de chauffage (5) inclus, est conçu sous la forme d'une pièce moulée, de préférence une pièce moulée de précision.
  8. Appareil de chauffage selon l'une des revendications 1 à 6,
    caractérisé en ce que
    le boîtier terminal (12) est constitué de pièces de tôle et le raccord à fluide de chauffage (5) est conçu comme une tubulure appliquée sur les pièces de tôle.
  9. Appareil de chauffage selon l'une des revendications 1 à 6,
    caractérisé en ce que
    le boîtier terminal (12) est conçu sous la forme d'une pièce emboutie.
  10. Appareil de chauffage selon l'une des revendications 1 à 9,
    caractérisé en ce que
    vu en coupe transversale à la direction d'écoulement du fluide de chauffage, le boîtier terminal (12) du genre capot est conçu essentiellement à la façon d'une section transversale d'ouverture d'extrémité de spirale, simple ou multiple.
  11. Appareil de chauffage selon l'une des revendications 1 à 10,
    caractérisé en ce que
    les parois terminales (13) dans le boîtier terminal (12), qui sont opposées aux extrémités de spirale (3, 4), sont conçues voûtées de façon concave, au moins du côté du fluide de chauffage.
  12. Appareil de chauffage selon l'une des revendications 1 à 11,
    caractérisé en ce que
    l'au moins un échangeur de chaleur (1, 2) comprend une chambre de combustion délimitée par une paroi terminale (6, 7) à chaque extrémité, vu dans la direction de l'axe hélicoïdal, dans lequel un boîtier (8) constitué d'une enveloppe (9) et des parois terminales (6, 7) renferme l'échangeur de chaleur (1), tout en formant une chambre d'échappement (11).
EP07721886A 2006-02-03 2007-02-02 Dispositif de chauffage Active EP1979696B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006004900A DE102006004900A1 (de) 2006-02-03 2006-02-03 Heizgerät
PCT/DE2007/000216 WO2007087801A2 (fr) 2006-02-03 2007-02-02 Dispositif de chauffage

Publications (2)

Publication Number Publication Date
EP1979696A2 EP1979696A2 (fr) 2008-10-15
EP1979696B1 true EP1979696B1 (fr) 2012-04-11

Family

ID=38229686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07721886A Active EP1979696B1 (fr) 2006-02-03 2007-02-02 Dispositif de chauffage

Country Status (6)

Country Link
US (1) US20100044011A1 (fr)
EP (1) EP1979696B1 (fr)
AT (1) ATE553346T1 (fr)
CA (1) CA2637845C (fr)
DE (1) DE102006004900A1 (fr)
WO (1) WO2007087801A2 (fr)

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DE102008014523A1 (de) * 2008-03-15 2009-09-17 Robert Bosch Gmbh Heizgerät
DE102008035852A1 (de) * 2008-08-01 2010-02-04 Herbert Kannegiesser Gmbh Vorrichtung zum Aufheizen eines Wärmeträgers für insbesondere Wäschereimaschinen und bevorzugte Verwendungen der Vorrichtung
DE102009043288A1 (de) 2009-09-29 2011-04-14 Viessmann Werke Gmbh & Co Kg Heizgerät
DE102010051664A1 (de) * 2010-11-17 2012-05-24 Liebherr-Hydraulikbagger Gmbh Arbeitsgerät
DE102010051663A1 (de) 2010-11-17 2012-05-24 Liebherr-Hydraulikbagger Gmbh Arbeitsgerät
DE102011010444A1 (de) 2011-02-04 2012-08-09 Viessmann Werke Gmbh & Co Kg Heizkessel
RU2553007C1 (ru) * 2013-12-25 2015-06-10 Юрий Яковлевич Печенегов Теплоутилизатор
US20170350654A1 (en) * 2014-12-15 2017-12-07 Jian Liu Barrel-shaped component as well as vessel and motor housing based on it
DE102015118094A1 (de) 2015-10-23 2017-04-27 Viessmann Werke Gmbh & Co Kg Wärmeübertragungsvorrichtung
IT202100025346A1 (it) * 2021-10-04 2023-04-04 Condevo S P A Avvolgimento tubiero per una cella di scambio di calore a gas per una caldaia

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Also Published As

Publication number Publication date
WO2007087801A2 (fr) 2007-08-09
CA2637845C (fr) 2014-10-07
EP1979696A2 (fr) 2008-10-15
US20100044011A1 (en) 2010-02-25
DE102006004900A1 (de) 2007-08-16
ATE553346T1 (de) 2012-04-15
CA2637845A1 (fr) 2007-08-09
WO2007087801A3 (fr) 2007-09-20

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