EP2824399B1 - Élément de raccordement, radiateur et procédé de raccordement d'un radiateur - Google Patents

Élément de raccordement, radiateur et procédé de raccordement d'un radiateur Download PDF

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Publication number
EP2824399B1
EP2824399B1 EP14175934.0A EP14175934A EP2824399B1 EP 2824399 B1 EP2824399 B1 EP 2824399B1 EP 14175934 A EP14175934 A EP 14175934A EP 2824399 B1 EP2824399 B1 EP 2824399B1
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EP
European Patent Office
Prior art keywords
connection
joining
flow
channel
fitting
Prior art date
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EP14175934.0A
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German (de)
English (en)
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EP2824399A2 (fr
EP2824399A3 (fr
Inventor
Roger Grauls
Dries Vervoort
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Caradon Stelrad BV
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Caradon Stelrad BV
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Priority to PL14175934T priority Critical patent/PL2824399T3/pl
Publication of EP2824399A2 publication Critical patent/EP2824399A2/fr
Publication of EP2824399A3 publication Critical patent/EP2824399A3/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0009—In a two pipe system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0056—Supplies from the central heating system
    • F24D19/0058—Supplies from the central heating system coming out the floor
    • F24D19/0063—Supplies from the central heating system coming out the floor under the radiator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0073—Means for changing the flow of the fluid inside a radiator

Definitions

  • connection part for a radiator for guiding a heating fluid according to the preamble of claim 1, wherein the connecting part comprises two connecting pieces, at least one connecting piece and a flow element or return element, wherein in an assembled state, in which the connecting part with a longitudinal axis coaxial with the at least one connecting piece is inserted into the connecting part, the connecting piece through the flow element or return element can be flowed through, and the flow element or return element blocks a flow connection between only one of the connecting piece and the connecting piece, and wherein in a ground state of the connecting part, in which the flow element and return element is not inserted into the connection part, the connecting piece and the connection piece through the connection part are fluidly connected to each other, and a radiator with a front heating plate un d at least one rear heating plate, and with a first connection part and a second connection part, wherein the heating body in this order by the first connection part, the front heating plate, the at least one rear heating plate, and the second connection part can be flowed through by a heating
  • the present invention relates in the first place to the technical field of so-called serially flowed through radiators, in which the heating plates of the radiator, of which in each case at least two, are successively flowed through by the heating fluid.
  • so-called parallel-flow radiators are known in which the heating plates are flowed through simultaneously, that is, the heating plates are "connected in parallel”.
  • the heating plates are therefore in a sense "connected in series”.
  • the advantage of serially flowed through or "serial" radiator consists in their compared to parallel radiators higher energy efficiency.
  • the heating fluid by means of which the radiator is flowed through, is first introduced in the serial radiator into a "front" heating plate, that is to say into the heating plate, which faces a central zone of the respective space to be heated.
  • the heating fluid still has a relatively high temperature, which then emits it to the front heating plate. If the heating fluid then flows in behind the front heating plate located heating plate (s), its temperature has already dropped noticeably, since the heat energy stored in the heating fluid has already been released to some extent to the front heating plate.
  • the heat output of the serial radiator is therefore concentrated on the front heating plate, while in a parallel radiator all heating plates are heated evenly.
  • the advantage of a "warmer" front heating plate lies in the particularly good utilization of the radiant heat that emits the front heating plate to the room to be heated.
  • the radiant heat emanating from the front heating plate is not blocked and thus directly benefits the people in the room.
  • a rear heating plate is impaired by the heating plate (s) arranged in front of it, so that outgoing heat radiation can not enter the space unhindered.
  • an orientation of the serial heating element during its installation is relevant, since the heating plate flowed through first must face the central zone of the space. While the orientation as such is little problematic and is easily recognizable by means of markings or due to holding devices on a rear heating plate, the direction of flow of the radiator is by no means always the same.
  • connection parts for the flow line and the return line which are typically arranged side by side in a lower region of the radiator, "upside down” are arranged, that is, the flow line due to the pipe guide in the building on the "side” of the radiator is led out of the ground on which the connection part for the return line is located and vice versa.
  • the connection of the supply and the return line to the respective wrong connection parts would cause the heating fluid, starting from the flow line contrary to the actual desire first in the rear heating plate (s) and only then in the front heating plate would flow.
  • Such a configuration would be even worse than a parallel heater and therefore not tolerable.
  • connection parts are T-shaped, that is connected in each case with both the front and a rear heating plate.
  • a rotatable insert part is arranged in an interior of the connection parts.
  • the insert part is adapted to control a flow direction of the heating fluid in the interior of the connection part, that is, a fluidic connection of a connection piece of the connection part, to which typically the flow relationship as the return line is connected, with one of the two connecting pieces, one of which to the front and the other are connected to a rear heating plate to block and leave the other connection free.
  • An adjustment, which is to be connected to the connecting piece of the connecting piece, can thereby by means of a twisting be changed the rotatable insert. In this way, it is therefore possible to locally set by means of a rotation of the insert part, the respective corresponding connection part as a "flow part" or as a "return part".
  • the object of the present invention is to produce a connection part and a radiator and a method for its connection, in which a flexible adjustment of the connection parts at the installation of the radiator is just as easy as in the prior art, but much simpler and thus used cheaper components.
  • connection part and a method of the type described above according to the invention by the features of claim 1 and 11.
  • connection part is different parts, that is not identical.
  • the respective insert part or blocking element is always formed identically.
  • a blockage of either a flow between the connection channel and the first connection channel or between the connection channel and the second connection channel could be effected by means of a movement of the local blocking element within the connection part, ie the blocking element both the function of a flow element or a return element take.
  • two different parts, namely the flow element and the return element are necessary for this purpose.
  • connection part As such compared to the prior art much less complicated. In particular, it is no longer necessary to provide a rotatability of the blocking element in its installed state, that is in the assembled state of the connection part. In the course of a connection of a radiator having connecting parts according to the invention, it is therefore only necessary to insert the flow element in that connector which is connected to a flow line and vice versa use the return element in the other connector part, which is connected to a return line. It follows from all that it is particularly advantageous if the connection part, regardless of whether it is to receive the flow element or the return element, can always be made equal.
  • the flow element and the return element are advantageously designed to be similar insofar as they can be used independently of one another in the same connection part.
  • a screw connection is advantageous, which is achieved by means of cooperating threaded sections. This will be explained separately below.
  • connection part according to the invention is advantageously one in which a first overflow cross section through which the heating fluid can flow between one of the connection channels and the connection channel is oriented perpendicular to a center axis of the connection channel and a second overflow cross section through which the heating fluid between another flow channel and the connecting channel can flow, is oriented perpendicular to a central axis of the respective connecting channel.
  • the different orientation and arrangement of the overflow cross sections between the connection channel and in each case one of the connection channels makes it possible in a particularly simple manner to design the flow element as well as the return element in each case in such a way that in each case only one of the overflow cross sections is blocked.
  • it makes sense to seal a seal of the overflow cross section oriented perpendicular to the center axis of the connection channel by means of a seal acting axially in the direction of the center axis of the connection channel and the overflow cross section oriented perpendicular to a center axis of a connection channel by means of a seal acting radially relative to the center axis of the connection channel and so block.
  • the blocking element preferably the flow element cooperates by means of a preferably relative to a longitudinal axis of the connecting channel axially acting sealing element with a sealing seat of the connecting part, so that a flow connection between one of the connecting channels and the connecting channel is blocked the blocking element is preferably tubular and an inner channel of the blocking element can be flowed through.
  • a blocking element is particularly well suited to block a perpendicular to the central axis of one of the connecting channels oriented overflow cross-section.
  • the blocking element preferably the return element
  • the blocking element by means of a preferably radially acting relative to a longitudinal axis of the connecting channel sealing element with a corresponding, an overflow cross-section between the connection channel and one of the connecting channels enclosing the inner wall of the connection part cooperates, so that a flow connection between the respective connection channel and the connection channel is blocked
  • the blocking element preferably blocks a preferably horizontally oriented Studentsströmquerites and further preferably has a portion in which a Cross-sectional area of the blocking element is smaller than an inner diameter of the connecting channel, wherein a surrounding the blocking element residual cross-section of the connecting channel can be flowed through by the heating fluid.
  • Such a blocking element is particularly well suited to block a perpendicular to the center axis of the connection channel oriented overflow cross-section.
  • the heating fluid from the respective free connection channel can pass through the free overflow in the connection channel, wherein it enters using the above-described return element in a kind of annulus, which results in the integral of the aforementioned residual cross section over a height of a flow section of the return element ,
  • the heating fluid can then, for example, then proceed from the annulus into the remaining connection channel starting from this annular space through an upper head part of the return element provided with flow openings. In this way, a fluidic connection between the connection channel and the respective connection channel is created.
  • the blocking element For a fixation of the blocking element - regardless of whether it is designed as a flow element or as a return element - it is particularly advantageous to use a screw of the same with the connection piece.
  • a screw of the same For this purpose, it is proposed to provide the blocking element with an external threaded portion which cooperates in the assembled state of the connecting part with an internally threaded portion of the connecting piece.
  • Such a screw connection is particularly advantageous with regard to a subsequent non-destructive releasability of the blocking element of the remaining connection part.
  • the female threaded portion of the connecting piece is preferable to equip with a measured axially in the direction of the connection channel length of at least 2.5 cm, preferably at least 3.0 cm, more preferably at least 3.5 cm.
  • the connecting piece typically has to accommodate two components, namely on the one hand the blocking element (optionally in the form of the flow element or return element) and an adapter piece, by means of which the connection part is connected to a flow relationship as a return line.
  • both the blocking element and the adapter piece each require a certain proportion or a certain "length" of the internal threaded portion arranged in the connection piece in order to be able to be reliably connected to the connection piece in each case.
  • a minimum length of the female threaded portion of the connecting piece in the specified extent is therefore particularly advantageous.
  • the underlying object is achieved, starting from a radiator of the type described above according to the invention further characterized in that the first connection part and the second connection part are formed according to the invention, wherein the first connection part has a flow element and the second connection part has a return element.
  • the radiator described is the result of a conventional radiator according to the prior art combined with the above-described connecting parts according to the invention. The advantages arise accordingly.
  • the heating plates each have an upper horizontally oriented collection channel, a lower horizontally oriented collection channel and between the collection channels vertically oriented riser channels and the collecting channels of each hot plate are fluidly connected to each other by means of the riser channels
  • at least a connecting part preferably both connecting parts
  • the arrangement of the connecting parts to the lower collecting channel is advantageous insofar as both the flow line and the return line, by means of which the radiator is integrated into a flow network of the heating fluid, only in a small height above a bottom edge must be performed in order to achieve the connection parts.
  • the arrangement of the connecting parts at opposite ends of the lower collecting channel is particularly advantageous for installation of the radiator according to the invention in the United Kingdom, where the flow and return lines are almost without exception connected to the outer ends of the respective radiator and are laid accordingly in the respective building.
  • use is of course an advantage wherever the flow and return lines are laid accordingly.
  • connection part beyond the edge channel that sufficient "length” starting from a lateral end of the radiator up to the respective riser channel, with which the connection part corresponds, is available. Consequently, this length corresponds to a certain extent to a length measured parallel to the collecting ducts from a lateral end of the heating body closer to the riser duct in question up to a central axis of the riser duct in question.
  • a certain minimum amount of this length is advantageous insofar as the connection part should not "project” laterally between the heating plates of the heating element, if possible, with an end of the connection channel facing away from the connection channels.
  • connection part it follows, however, that the internal thread section of the connection piece - and consequently also the connection piece as such - should have a certain minimum length.
  • the connection of the connection part to a riser channel beyond the edge channel thus makes it possible to arrange even a connection part with a comparatively long connecting piece in a sense "invisible" between the heating plates of the radiator.
  • radiator internals are arranged in the connecting channels and / or the connecting channel of the connecting parts, preferably in the form of inwardly projecting wall parts, by means of which Studentsströmquerroughe between the connecting channels and the connection channel of the respective connecting parts are limited and wherein the Studentsströmquerroughe formed smaller are than with a built-in connector.
  • the generation of comparatively small overflow cross sections facilitates their sealing or blocking with regard to the design of the flow element and the return element.
  • the internals offer the possibility that sealing elements, for example in the form of O-rings, cooperate with them and thus produce a seal.
  • connection parts which has such connection parts with internals, results in a particular advantage that this can be operated either as a parallel and serial radiator, the mode of operation only depends on whether the connector part of the ground state in the Assembled state is transferred, that is, whether the flow element and the return element are used in the respective connecting parts or not. If the connection parts remain in their basic state, the connection channel of each connection part is in each case connected to both connection channels. In other words, there is then the possibility for the heating fluid, starting from the connection channel through the two connecting channels to enter both the front and a rear heating plate. Analogously, it is also possible that the heating fluid, starting from different heating plates, passes through the connection channels of a connection part into its connection channel and from there into the return line.
  • connection parts are provided with internals.
  • the connection parts are free of installation since they do not produce any technical benefits per se.
  • the connection parts provided with the internals can be modified particularly simply by inserting the flow element and the return element into those connecting parts which can be used for serial radiators. It follows that the radiator according to the invention regardless of the flow technique in each case may have the same connection parts and therefore only one type of connection parts must be kept.
  • the underlying object is achieved, starting from a method of the type described above according to the invention by the following method step, when the radiator is positioned so that the rear heating plate is located at a smaller distance to a nearest wall of the room than the front heating plate, and the first connection part is connected to the supply line and the second connection part is connected to the return line in such a way that, in an operating state of the heating element, a heating fluid flows from the supply line through the first connection part into the heating element and out of the second connection part into the return line
  • a blocking element in the form of a flow element is inserted into the first connection part, by means of which the flow line can be fluidly connected exclusively to the first heating plate and before a connection of the return line to the second connection part is a different from the flow element Blocking element used in the form of a return element in the second connection part, by means of which the second heating plate is fluidically connected exclusively with the return line.
  • radiator according to the invention and the associated method can also be applied to radiators with more than two heating plates.
  • the second heating plate and all other, more rearwardly disposed heating plates are in parallel operation, i. the connection parts according to the invention are located only between the first (foremost) and the adjacent heating plate, whereas all other heating plates are fluidly connected to each other only by tubular connecting pieces
  • a first embodiment, in the FIGS. 1 to 3 comprises an inventive connecting part 1 in the form of a tee, which is equipped with a blocking element in the form of a flow element 2.
  • the connecting part 1 comprises a connecting piece 3 and two connecting pieces 4, 5. All three connecting pieces are formed together on the connecting part 1 and form a unitary housing.
  • the connecting piece 3 has in its interior a connection channel 6, which is fluidically connected to two connecting channels 7, 8, which in turn extend in each case in an interior of the connecting piece 4, 5.
  • the connection channels 7, 8 are each directly connected to the connection channel 6, a direct connection with each other is not present. Such a direct connection of the connecting channels 7, 8 with each other is prevented by means of internals, in the form of wall parts 11, 12 are formed.
  • the wall part 11 serves to delimit an overflow cross section 13 between the connecting channel 7 and the connecting channel 6, while the wall part 12 serves to delimit an overflow cross section 14 between the connecting channel 8 and the connecting channel 6.
  • an internally threaded portion 9 is arranged, which comprises an internal thread 10.
  • a length of the entire internally threaded portion 9 is here about 3.5 cm.
  • the connection part 1 is shown in its mounting state, that is, it has the blocking element, which is formed here in the form of the lead part 2.
  • the lead part 2 in turn has an external thread portion 39 which comprises an external thread 15.
  • the external thread 15 of the flow element 2 and the internal thread 10 of the connecting piece 3 are matched to each other, so that both engage positively with each other. In this way, the flow element 2 is fixed in the connection channel 6 of the connecting piece 3.
  • the flow element 2 is screwed so far into the connection channel 6 that a arranged on a lower end face of the flow element 2 sealing element 16 is pressed against a corresponding sealing seat of the connection part 1, so that both parts cooperate and on this Way create a sealing effect.
  • the flow element 2 is in turn equipped with a central inner channel 17, which penetrates the flow element 2 completely from a bottom 18 to a top 19 axially. This inner channel 17 is adapted to conduct a heating fluid.
  • the sealing element 16 thereby causes a heating fluid, which is introduced into the connection channel 6, first through the inner channel 17 of the flow element 2, through the overflow 14 between the connection channel 6 and the connecting channel 8 can flow into the connecting channel 8 without a share of the heating fluid can pass into the other connecting channel 7.
  • the flow element 2 is therefore used to block a fluidic connection between the connection channel 6 and the connection channel 7, while the connection between the connection channel 6 and the connection channel 8 remains free.
  • a constriction region 20 of the flow element 2, which in particular from the FIG. 3 results, has no special technical effect and serves primarily the saving of material that is needed to produce the lead element 2.
  • FIG. 3 a typical flow pattern of the heating medium is graphically illustrated by means of corrugated arrows.
  • a second embodiment, in the FIGS. 4 to 6 is shown, shows an alternative terminal part 1 ', whose housing is formed identical to that of the connection part 1.
  • connection part 1 ' a fluidic connection between the connection channel 6 and the connection channel 7 is free, so that a heating fluid, starting from the connection channel 7 through the overflow cross section 13, which is arranged between the connection channel 7 and the connection channel 6, in the connection channel 6 can overflow.
  • the fluidic connection between the connecting channel 6 and the connecting channel 8 blocks the return element 21 by means of a sealing element 22, which is arranged circumferentially on an outer circumferential surface of the return element 21 and cooperates with an inner circumferential surface, which is formed jointly by the wall parts 11, 12.
  • the return element 21 consequently does not use any axial, but a radial seal. This is especially good in FIG. 6 recognizable.
  • the return element 21 On a side facing away from the overflow cross-section 14 top of the seal member 22, the return element 21 has a radially outwardly projecting stop ring 23. This is suitable to limit a maximum insertion amount of the return element 21 into the internal thread 10 of the connecting piece 3.
  • the heating fluid After the heating fluid has flowed over from the connecting channel 7 into the connecting channel 6, it is initially in a kind of annular space 24, which is present between an inner wall of the connecting channel and an outer wall of the return element 21.
  • This annulus 24 has a residual cross section which is smaller than the entire cross section of the connection channel 6.
  • flow openings 25 are provided in the return element 21 intended. These are especially good in FIG. 5 visible, noticeable.
  • the flow openings 25 penetrate a head part 26 of the return element 21 from its underside 27 to its upper side 28, so that a fluidic connection is available to the heating fluid.
  • FIG. 6 For example, a typical flow pattern through the connector 1 'is graphically illustrated by means of wavy arrows.
  • the radiator 29 has two heating plates 30, 31, which are arranged parallel and spaced from each other.
  • the heating plates 30, 31 in turn each have a lower collecting channel 32, 33 and an upper Collecting channel and between the collecting ducts running vertical heating channels.
  • the connecting parts 1, 1 ' are arranged in a lower region of the heating element 29 between the heating plates 30, 31, wherein the connecting pieces 4, 5 are respectively connected to the lower collecting channels 32, 33. In this way, a fluidic connection between the respective lower collecting channels 32, 33 and the respective connecting channels 7, 8 is created.
  • the radiator 29 is connected to a flow line 34 and a return line 35.
  • the flow line 34 opens into an adapter piece 36 which receives a thermostatic valve 37 and establishes a fluidic connection between the flow line 34 and the connection part 1.
  • the return line 35 is in turn connected by means of an adapter piece 38 with the connection part 1 '. From the example results particularly well, which is why the female threaded portion 9 of the connecting parts 1, 1 'is formed significantly longer than corresponding male threaded portions 39 of the flow element 2 and the return element 21. In this way, the connecting pieces 3 of the connecting parts 1, 1' in each case still over a sufficiently long portion of the entire female threaded portion 9 to accommodate corresponding external thread of the adapter pieces 35, 38 can. These are subsequently screwed to the blocking elements (flow element 2, return element 21) in the respective connecting piece 3.
  • the in FIG. 7 front heating plate 30 is actually the "front" heating plate, that is the heating plate, which is arranged in a built-in state of the radiator 29 closer to a central zone of the room to be heated than the rear heating plate 31.
  • the return line 35 to the return element 21 corresponds to the return element 21, so that a fluidic connection is present only between the lower collecting channel 33 of the rear heating plate 31 and the return line 35, but not between the lower collecting channel 32 of the front heating plate 30 and the return line 35.
  • connection parts 1, 1 ' are each connected at such a distance from respectively associated lateral ends of the heating element 29 to the respective lower collecting channel 32, 33 that they each lie in a common vertical plane with the respective rising channels 40, 41.
  • These riser channels 40, 41 are those riser channels which are arranged adjacent to respective edge risers 42, 43, so-called "edge channels”.
  • These edge-side riser channels 42, 43 are those riser channels which are arranged at a maximum distance from a median plane extending perpendicularly to the collecting channels in the heating plates 30, 31.
  • the arrangement of the connecting parts 1, 1 'to the riser channels 40, 41 is particularly advantageous insofar as one of the connecting pieces 3 of the connecting parts 1, 1' despite its comparatively long length not on the sides of the radiator 29 from an intermediate region between the heating plates 30, 31 emerges. Further, it is particularly advantageous to keep the peripheral riser channels 42, 43 clear, as these can then be used to direct the heating fluid to connectors typically located on the upper collection channels and through which the heating fluid from the front heating plate 30 is moved the rear heating plate 31 is exceeded. A flow of the heating medium in the radiator 29 and back out of this is in FIG. 7 graphically illustrated by wavy arrows.
  • FIG. 8 shows a second heater 44 according to the invention with a front heating plate 45 and a rear heating plate 46 which is connectable via a flow connection 47 and a return port 48 with not shown supply and return lines.
  • the radiator 44 is preconfigured with connection piece 49 for the supply and return lines at a distance 50, the approximately the width 51 of the radiator 44 corresponds (so-called “side port” or “side-connection”) and for the serial flow first of the front and then the rear heating plate 46.
  • Alternative connecting pieces 52 for supply and return lines immediately adjacent to each other in the middle under the radiator 44 are closed with blind plugs 53.
  • the flow connection 47 shown in two sections is welded to both heating plates 45, 46 and has a connection part 54 according to the invention, which is additionally connected to one of the alternative connecting pieces 52 via a connecting tube 55.
  • connection part 54 Opposite and coaxial with the connecting piece 49, the connecting part 54 has a pipe socket 56, with which the connecting tube 55 is welded. Transverse to connection piece 49 and pipe socket 56, the connection part 54 has a first
  • Connecting piece 57 which is welded to the front heating plate 45, and coaxial with the first connecting piece 57, a second connecting piece 58 which is welded to the rear heating plate 46.
  • connection piece 57 has a first connection channel 59 and the second connection piece 58 has a second connection channel 60, which are respectively connected to the interior of the heating plates 45, 46.
  • connection piece 49 has a connection channel 61, which can be connected to the flow line, and the pipe socket 56 has an alternative connection channel 62, which is connected to the connection pipe 55.
  • connection part 54 has in the interior an installation 63 with wall parts 64 which separate the connection channel 61 and the second connection channel 60 on the one hand from the alternative connection channel 62 and the first connection channel 59 on the other.
  • the installation 63 has an overflow cross section 65 which is coaxial with the connection channel 61 and the alternative connection channel 62.
  • a substantially tubular, rotationally symmetrical flow element 68 made of red plastic is inserted into the connection part 54.
  • the feed element 68 has an externally threaded portion 69, which is screwed into the internally threaded portion 66 of the connection part 54 and bears with a sealing ring 70 radially sealing in the sealing seat 67 of the overflow cross section 65.
  • the flow element 68 can be flowed through by the connection channel 61 through the overflow cross section 65 to the first connection channel 59 and at the same time blocks a flow between the connection channel 61 and the second connection channel 60.
  • Return port 48 shown in two sections is likewise welded to both heating plates 45, 46 and has another identical connecting part 71 according to the invention, which in turn is additionally connected to the other of the two alternative connecting ports 52 via a connecting tube 72.
  • connection port 48 is in the in the FIGS. 12a to 12d again shown in four views connector 71 a substantially tubular, rotationally symmetrical return element 73 made of blue plastic used. Also, the return element 73 has an externally threaded portion 74, which is screwed into the female threaded portion 75 of the connecting part 71 and lies with two sealing rings 76 radially sealing in the sealing seats 77 of the overflow cross section 78 and the alternative connection channel 79 at.
  • the return element 73 can be flowed through by the second connection channel 80 through openings 81 to the connection channel 82 and through the overflow cross section 78 to the alternative connection channel 79 and at the same time blocks a flow between the alternative connection channel 79 and the first connection channel 83.
  • FIG. 13 shows a third radiator 84 according to the invention, which is identical to the second radiator 44 except for the arrangement of the blind plug 85:
  • the connecting piece 86 for the "side port” are closed with the blind plug 85, the radiator 84 is for the "center connection” on the alternative Connecting piece 87 preconfigured.
  • the Figures 14a and 14b show sections through the flow connection 88 and through the return connection 89 of the radiator 84.
  • blocking elements are not to be understood as restricting their use. Both blocking elements are equally suitable for blocking a fluidic connection between in each case one of the connecting channels 7, 8, 59, 60 and the connecting channel 6, 61, 62, 79, 82. If the local conditions require that a flow line should be connected by means of a return element to a front heating plate 45, so that the heating fluid can be introduced into this front heating plate 45, then nothing stands in the way.
  • the terms “lead element” and “return element” are therefore used from a technical point of view, therefore, their conceptual distinctness.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Claims (11)

  1. Pièce de raccordement (1, 1', 54, 71) pour un radiateur (29, 44, 84), destinée à conduire un fluide chauffant, la pièce de raccordement (1, 1', 54, 71) comportant
    a. un boîtier avec une première tubulure d'assemblage (4, 58), une deuxième tubulure d'assemblage (5, 57) et au moins une tubulure de raccordement (3, 49, 86) qui à travers le boîtier sont assemblées les unes aux autres par technique des fluides,
    b. un élément de blocage (2, 68, 21, 73) qui par un axe longitudinal est inséré de manière coaxiale à l'au moins une tubulure de raccordement (3, 49, 86) dans la pièce de raccordement (1, 1', 54, 71) de sorte que la tubulure de raccordement (3, 49, 86) puisse être traversée par l'élément de blocage (2, 68, 21, 73),
    c. l'élément de blocage (2, 68, 21, 73) étant soit un élément aller (2, 68) qui coopère au moyen d'un premier élément d'étanchéité (16) avec un premier siège d'étanchéité de la pièce de raccordement (1, 54), de telle sorte que l'élément aller (2, 68) bloque une première liaison fluidique entre la première tubulure d'assemblage (4, 58) et la tubulure de raccordement (3, 49, 86),
    d. ou l'élément de blocage (2, 68, 21, 73) étant un élément retour (21, 73), qui au moyen d'un deuxième élément d'étanchéité (22) coopère avec un deuxième siège d'étanchéité de la pièce de raccordement (1', 71), de telle sorte que l'élément retour (21, 73) bloque une deuxième liaison fluidique entre la deuxième tubulure d'assemblage (5, 57) et la tubulure de raccordement (3, 49, 86),
    caractérisé en ce que l'élément aller (2, 68) et l'élément retour (21, 73) sont des pièces différentes et en ce que la pièce de raccordement (1, 1', 54, 71) comporte aussi bien la première liaison fluidique et le premier siège d'étanchéité pour le premier élément d'étanchéité (16) de l'élément aller (2, 68) qu'également la deuxième liaison fluidique et le deuxième siège d'étanchéité pour le deuxième élément d'étanchéité (22) de l'élément retour (21, 73) et le premier élément d'étanchéité (16) et le deuxième élément d'étanchéité (22) assurent l'étanchéité autour de l'axe longitudinal, indépendamment d'une position angulaire de l'élément de blocage (2, 68, 21, 73).
  2. Pièce de raccordement (1, 1') selon la revendication 1, une première section transversale (14) de débordement à travers laquelle le fluide chauffant peut s'écouler entre la deuxième tubulure d'assemblage (5, 57) et la tubulure de raccordement (3, 49, 86) étant orientée à la perpendiculaire d'un axe médian de la tubulure de raccordement (3, 49, 86) et une deuxième section transversale (13) de débordement à travers laquelle le fluide chauffant peut s'écouler entre la première tubulure d'assemblage (4, 58) et la tubulure de raccordement (3, 49, 86) étant orientée à la perpendiculaire d'un axe médian de la tubulure d'assemblage (4, 58).
  3. Pièce de raccordement (1, 54) selon la revendication 1 ou 2, caractérisée en ce qu'un canal interne (17) de l'élément d'avance (2, 68) peut être traversé.
  4. Pièce de raccordement (1, 1', 54, 71) selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'élément aller (2, 68) et l'élément retour (21, 73) comportent un tronçon (39, 69, 74) de filetage qui s'engage dans un tronçon de taraudage (9, 66, 75) de la tubulure de raccordement (3, 49, 86).
  5. Pièce de raccordement (1, 1', 54, 71) selon la revendication 4, caractérisée en ce que le tronçon de taraudage (9, 66, 75) de la tubulure de raccordement (3, 49, 86) présente une longueur d'au moins 2,5 cm, mesurée dans la direction axiale, vers le canal de raccordement (6, 61, 82).
  6. Pièce de raccordement (1, 1', 54, 71) selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'élément aller (2, 68) et l'élément retour (21, 73) peuvent se retirer de manière non destructive hors de la tubulure de raccordement (3, 49, 86).
  7. Radiateur (29, 44, 84) avec un panneau chauffant (30, 45) avant et au moins un panneau chauffant (31, 46) arrière et avec une première pièce de raccordement (1, 54) et une deuxième pièce de raccordement (1', 71), le radiateur (29, 44, 84) pouvant être traversé dans cet ordre chronologique à travers la première pièce de raccordement (1, 54), le panneau chauffant (30, 45) avant, l'au moins un panneau chauffant (31, 46) arrière et la deuxième pièce de raccordement (1, 71) par un fluide chauffant, caractérisé en ce que la première pièce de raccordement (1, 54) et la deuxième pièce de raccordement (1', 71) sont conçues selon l'une quelconque des revendications précédentes et comportent des boîtiers identiques, l'élément de blocage inséré dans la première pièce de raccordement étant un élément aller (2, 68) et l'élément de blocage inséré dans la deuxième pièce de raccordement étant un élément retour (21, 73).
  8. Radiateur (29, 44, 84) selon la revendication 7, caractérisé en ce que le panneau chauffant (30, 45) avant et l'au moins un panneau chauffant (31, 46) arrière comportent chacun un canal collecteur supérieur, orienté à l'horizontale, un canal collecteur (32, 33) inférieur orienté à l'horizontale, ainsi que des canaux montants (40, 41, 42) orientés à la perpendiculaire entre les canaux collecteurs, les canaux collecteurs chaque fois du panneau chauffant (30, 45) avant et de l'au moins un panneau chauffant (31, 46) arrière étant reliés les uns aux autres par technique de fluide à l'aide des canaux montants (40, 41, 42) et au moins l'une des pièces de raccordement (1, 1', 54, 71) étant raccordée sur le canal collecteur (32, 33) inférieur.
  9. Radiateur (29, 44, 84) selon la revendication 8, caractérisé en ce que des canaux d'assemblage (7, 8) de la première et de la deuxième tubulures d'assemblage (4, 58, 5, 57) d'au moins l'une des pièces de raccordement (1, 1', 54, 71) correspondent avec l'un des canaux montants (40, 41) de l'un des panneaux chauffants (30, 31, 45, 46) qui est placé plus près d'un plan médian orienté à la perpendiculaire du canal collecteur du radiateur (29, 44, 84) qu'un canal montant (41, 42) éloigné au plus loin du plan médian du radiateur (29, 44, 84), formant un canal de bordure.
  10. Radiateur (29, 44, 84) selon la revendication 9, caractérisé en ce que dans les canaux de liaison (7, 8) ou sur le canal de raccordement (6, 61, 82) de la tubulure de raccordement (3, 49, 86) des pièces de raccordement (1, 1', 54, 71) sont présentes des chicanes (63) à l'aide desquelles des sections transversales de débordement (13, 14, 65, 78) entre les canaux de liaison (7, 8) de la première et de la deuxième tubulures de raccordement (4, 58, 5, 57) et le canal de raccordement (6, 61, 82) de la tubulure de raccordement (3, 49, 86) des pièces de raccordement (1, 1', 54, 71) respectives sont délimitées et les sections transversales de débordement (13, 14, 65, 78) formées étant plus petites que sur une pièce de raccordement sans chicanes.
  11. Procédé destiné à raccorder un radiateur (29, 44, 84) selon la revendication 7 sur un conduit aller (34) et un conduit retour (35) dans une pièce qui doit être chauffée, lors duquel
    a. on positionne le radiateur (29, 44, 84) de telle sorte que le panneau chauffant (31, 46) arrière soit placé à une plus faible distance par rapport à une paroi la plus proche de la pièce que le panneau chauffant (30, 45) avant et
    b. on raccorde la première pièce de raccordement (1, 54) sur le conduit aller (34) et le deuxième pièce de raccordement (1', 71) sur le conduit retour (35) de telle sorte que dans un état de fonctionnement du radiateur (29, 44, 84), un fluide chauffant s'écoule du conduit aller (34) à travers la première pièce de raccordement (1, 54) dans le radiateur (29, 44, 84) et à partir de la deuxième pièce de raccordement (1', 71) dans le conduit retour (35).
EP14175934.0A 2013-07-08 2014-07-07 Élément de raccordement, radiateur et procédé de raccordement d'un radiateur Active EP2824399B1 (fr)

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DE9102149U1 (fr) * 1991-02-23 1991-05-16 Prof. Dr. E. Sommer Gmbh & Co. Patentverwaltungs-Kg, 4800 Bielefeld, De
DE20102602U1 (de) * 2001-02-11 2002-03-21 Pause Jan Peter Mehrlagiger Plattenheizkörper
DE202004017628U1 (de) * 2004-11-09 2005-02-10 Kermi Gmbh Verbindungsstück zur Verbindung zweier Heizplatten eines Heizkörpers und Heizkörper
DE102005037769A1 (de) * 2005-08-10 2007-02-15 Robert Bosch Gmbh Plattenheizkörper
DE102010017692A1 (de) 2010-07-01 2012-01-05 Caradon Stelrad B.V. Verfahren zum Konfigurieren eines Anschlussteils und Anschlussteil für einen Heizkörper
DE202012007992U1 (de) * 2012-08-21 2012-09-12 Hans-Alfred Balg Anschlussvorrichtung für unteren Vorlaufanschluss

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TR201703410T4 (tr) 2019-02-21
EP2824399A2 (fr) 2015-01-14
EP2824399A3 (fr) 2015-02-25
DE102013213320A1 (de) 2015-01-08

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