EP2192353A2 - Device for determining the pressure differential in a hot water heating assembly - Google Patents

Device for determining the pressure differential in a hot water heating assembly Download PDF

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Publication number
EP2192353A2
EP2192353A2 EP09011895A EP09011895A EP2192353A2 EP 2192353 A2 EP2192353 A2 EP 2192353A2 EP 09011895 A EP09011895 A EP 09011895A EP 09011895 A EP09011895 A EP 09011895A EP 2192353 A2 EP2192353 A2 EP 2192353A2
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EP
European Patent Office
Prior art keywords
connection
pipe
radiator
threads
pressure gauge
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Granted
Application number
EP09011895A
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German (de)
French (fr)
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EP2192353B1 (en
EP2192353A3 (en
Inventor
Fritz Zügel
Philipp Gerber
Lynn Hagen
Stefan Haller
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Hummel AG
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Hummel AG
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Publication of EP2192353A3 publication Critical patent/EP2192353A3/en
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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
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • 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

Definitions

  • the invention relates to a device for determining the pressure difference between two spaced locations of a hot water heating system, in particular between the inlet and the outlet of a radiator, each with a connection for a pressure gauge.
  • a comparable device is for example from the DE 102 11 533 known and designed as a tap block, wherein the inlet and the outlet of a radiator are connected to a common valve.
  • the tap block according to the DE 102 11 533 B4 is connectable to adjacent pipes, one of which form the flow and the other the drain of the heating water of a radiator.
  • This valve block has two respective lines associated connection points for pressure gauges, which are designed as pierceable membranes, so that the meter must be designed in a customized form.
  • a faucet block requires that the two pipes must be arranged in a very specific, exactly fixed distance from each other.
  • the device has separate or separate Rohanschluß GmbHe that are used or fit in the course of piping of heating systems, and that each of these pipe fittings has a branch with a self-sealing self-coupling for a pressure gauge device connection.
  • each of the two pipe connecting pieces has two spaced, coaxial threaded connections which fit counter threads in the pipes and / or on a radiator. This makes a very simple installation of the pipe fittings possible by their screwing to the pipes or radiators.
  • the respective pipe connection piece is divided between its threads and the two sections are rotatable and sealed relative to each other attached to each other. This makes it possible to turn the branch for a pressure gauge connection after assembly in any direction relative to the pipe and the pipe fitting and bring them into a favorable position. If two relatively rotatable parts form the pipe connecting piece, one of the two threads can be fixed, for example, then the relatively rotatable part with the pressure measuring device connection can be turned into the desired position and then the attachment to the second connection can be made with a union nut.
  • the meter port could be located on the pipe fitting in any direction transverse to the central axis of the pipe fitting. But it is particularly favorable when this measuring device connection is arranged on the pipe connection piece radially to the flow direction of the heating medium and to the Länksstoffachse of the pipe connection piece.
  • the measuring device connection can be easily reached in each case with different arrangements of the pipe connection piece. Said arrangement gives the best possible accessibility of the pressure gauge connection from all sides.
  • a spring-loaded closure element can cooperate with a seal or sealing point, and this closure element can be movable with the pressure measuring device connection from its sealing point or its sealing seat into the open position. It can thereby be achieved that, when the pressure gauge is connected to the meter connection, the pressure in the piping system immediately becomes active on this pressure gauge, without the need for additional, possibly even possible, closure elements to be opened separately. If the pressure gauge is released from the meter connection, this is also automatically closed again in an advantageous manner. This results in a particularly simple handling.
  • a device designated as a whole by 1 serves to determine the pressure difference between two spaced locations 2 and 3 of a hot water heating system, in the illustrated embodiments between the inlet and the outlet of a radiator 4 and each has a port 5 for a pressure gauge 6, which with the terminals 5 according to FIG. 1 and 4 can be connected via hoses or flexible cables 7.
  • the device 1 has two separate, ie separate, generally designated 8 pipe fittings, in the course of pipes of the heating system, in the embodiment directly at the entrance to the radiator 4, are used.
  • Each of these pipe fittings 8 has a branch 9 with an internally arranged self-sealing quick coupling as a connection 5 for a pressure gauge connection, as shown in the FIGS. 1 and 4 is shown.
  • Each of the two pipe connection pieces 8 of the device 1 has two axially spaced, coaxial threaded connections 10 and 10 a, which fit into counter threads in the pipes, not shown, and / or on the radiator 4. In all figures, the connection of the pipe connections 8 by means of threads on the radiator 4 is shown.
  • the threaded connection 10 for connecting to the radiator 4 has an external thread that fits into a corresponding counter-threaded connector, while in the embodiments according to FIGS. 4 to 6 4 external thread are arranged on these neck of the radiator, which fit with a union connected to the pipe connections 8 union nut and are connectable to this.
  • the measuring device connection 5 is arranged on the pipe connecting piece 8 radially to the direction of passage of the heating medium.
  • the free end of the connection 5 is correspondingly well accessible to the measuring device line 7.
  • the multi-part device 1 which can also be referred to or regarded as a kit serves to determine the pressure difference between two spaced locations 2 and 3 of a Hot water heating system, preferably between the inlet and the outlet of a radiator 4 directly to corresponding, belonging to the radiator 4 connecting piece, and each has a connection 5 for a pressure gauge 6, which can be connected by means of a line 7 and a clutch 12. It is essential in the device 1, that two separate or separate, ie independently mountable pipe fittings 8 are provided, which are connectable to the course of pipes or to the points 2 and 3 of a radiator 4 and each have a branch 9 with a self-sealing quick coupling Have port 5 for the pressure gauge 6.

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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)
  • Measuring Fluid Pressure (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

The device (1) has a connection (5) for a pressure measuring device (6). Two selective or separate pipe connection pieces (8) are inserted into a runner of pipelines of a heating device. Every pipe connection piece has a junction (9) with a self-sealing quick connector for a pressure measuring connection. Every pipe connection piece has two spaced and coaxially threaded connectors (10,10a).

Description

Die Erfindung betrifft eine Vorrichtung zur Ermittlung der Druckdifferenz zwischen zwei beabstandeten Stellen eine Warmwasser-Heizanlage, insbesondere zwischen dem Zulauf und dem Ablauf eines Heizkörpers, jeweils mit einem Anschluss für ein Druckmessgerät.The invention relates to a device for determining the pressure difference between two spaced locations of a hot water heating system, in particular between the inlet and the outlet of a radiator, each with a connection for a pressure gauge.

Eine vergleichbare Vorrichtung ist beispielsweise aus der DE 102 11 533 bekannt und als Hahnblock ausgebildet, bei welchem der Zulauf und der Ablauf eines Heizkörpers zu einer gemeinsamen Armatur verbunden sind. Der Hahnblock gemäß der DE 102 11 533 B4 ist an einander benachbarte Rohrleitungen anschließbar, deren eine den Vorlauf und deren andere den Ablauf des Heizwassers eines Heizkörpers bilden. Dieser Hahnblock weist zwei jeweiligen Leitungen zugeordnete Anschlussstellen für Druckmessgeräte auf, die als durchstechbaren Membranen gestaltet sind, so dass auch das Messgerät in einer daran angepassten Form ausgeführt sein muss.A comparable device is for example from the DE 102 11 533 known and designed as a tap block, wherein the inlet and the outlet of a radiator are connected to a common valve. The tap block according to the DE 102 11 533 B4 is connectable to adjacent pipes, one of which form the flow and the other the drain of the heating water of a radiator. This valve block has two respective lines associated connection points for pressure gauges, which are designed as pierceable membranes, so that the meter must be designed in a customized form.

Nicht selten erlauben jedoch die Platzverhältnisse an Heizkörpern keine Anwendung eines Hahnblocks und außerdem macht es ein Hahnblock erforderlich, dass die beiden Rohrleitungen in einem ganz bestimmten, genau festliegenden Abstand zueinander angeordnet sein müssen.Not infrequently, however, space on radiators does not allow the use of a faucet block, and moreover, a faucet block requires that the two pipes must be arranged in a very specific, exactly fixed distance from each other.

Es besteht die Aufgabe, eine Vorrichtung der eingangs definierten Art zu schaffen, die praktisch unabhängig von dem Verlauf der jeweiligen Rohre und Leitungen und Heizkörperanschlüssen ist und bei welcher durchstechbare Membranen für den Anschluss des Druckmessgeräts vermieden werden könne.It is the object to provide a device of the type defined, which is practically independent of the course of the respective pipes and lines and radiator connections and in which pierceable membranes for the connection of the pressure gauge could be avoided.

Zur Lösung dieser Aufgabe ist vorgesehen, dass die Vorrichtung getrennte oder separate Rohanschlussstücke aufweist, die in den Verlauf von Rohrleitungen von Heizanlagen einsetzbar sind oder passen, und das jedes dieser Rohranschlussstücke eine Abzweigung mit einer selbst dichtenden Selbstkupplung für einen Druckmessegeräteanschluss aufweist.To achieve this object, it is provided that the device has separate or separate Rohanschlußstücke that are used or fit in the course of piping of heating systems, and that each of these pipe fittings has a branch with a self-sealing self-coupling for a pressure gauge device connection.

Dadurch ist es möglich, Differenzdrücke auch an beabstandeten Stellen von zu Heizanlagen gehörenden und/oder Heizkörpern führenden Rohrleitungen, sei es innerhalb eines Rohrsystems, sei es vor allem am Zulauf und am Ablauf eines Heizkörpers, zu messen. Es genügt, an den gewünschten Messstellen die zu der Vorrichtung gehörenden oder sie bildenden Rohranschlussstücke zu installieren und dann das entsprechende Messgerät anzuschließen. Da dazu selbstdichtende Schnellkupplungen zur Verfügung stehen, sind keine durchstechbaren Membranen erforderlich, die durch derartige Messvorgänge beschädigt werden könnten.This makes it possible differential pressures even at spaced locations belonging to heating systems and / or radiators leading pipes, be it within a pipe system, be it mainly at the inlet and at the outlet of a radiator to measure. It is sufficient to install at the desired measuring points belonging to the device or forming pipe fittings and then connect the appropriate meter. Since self-sealing quick couplings are available, no pierceable membranes are required, which could be damaged by such measuring operations.

Zweckmäßig ist es, wenn jedes der beiden Rohranschlussstücke zwei beabstandete, koaxiale Gewindeanschlüsse aufweist, die zu Gegengewinden in den Rohrleitungen und/oder an einem Heizkörper passen. Dadurch ist eine sehr einfache Montage der Rohranschlussstücke durch ihre Verschraubung mit den Rohrleitungen oder Heizkörpern möglich.It is expedient if each of the two pipe connecting pieces has two spaced, coaxial threaded connections which fit counter threads in the pipes and / or on a radiator. This makes a very simple installation of the pipe fittings possible by their screwing to the pipes or radiators.

Zweckmäßig kann es dabei sein, dass beim Eintritt und am Austritt des jeweiligen Rohranschlussstücks unterschiedlich bemessene oder geformte Gewinde zur Anpassung an die Gegengewinde der jeweiligen Rohrleitung und/oder des Heizkörpers vorgesehen sind. Somit ist es möglich, dass unterschiedliche Gewinde am Eintritt und am Austritt des jeweiligen Rohrstücks oder Rohrleitungsstücks vorgesehen sind, so dass beispielsweise die Rohranschlussstücke auch an Heizkörper mit Zollgewinde angeschlossen und dann mit einer Rohleitung mit metrischem Gewinde verbunden werden können oder umgekehrt. Auch differierende Abmessungen der jeweiligen Gewinde können auf diese Weise berücksichtigt werden.Appropriately, it may be the case that differently sized or shaped threads are provided for adaptation to the mating threads of the respective pipe and / or the radiator at the inlet and at the outlet of the respective pipe connection piece. Thus, it is possible that different threads are provided at the inlet and at the outlet of the respective pipe piece or pipe piece, so that for example the pipe fittings can also be connected to radiators with an inch thread and then connected to a pipe with metric thread or vice versa. Even different dimensions of the respective thread can be taken into account in this way.

Besonders günstig ist es dabei, wenn das jeweilige Rohranschlussstück zwischen seinen Gewinden unterteilt ist und die beiden Teilstücke relativ zueinander drehbar und abgedichtet aneinander befestigt sind. Dies erlaubt es, die Abzweigung für einen Durckmessgeräteanschluss nach der Montage in eine beliebige Richtung relativ zu der Rohrleitung und dem Rohranschlussstück zu verdrehen und in eine günstige Position zu bringen. Wenn dabei zwei relativ zueinander verdrehbare Teile das Rohranschlussstück bilden, kann beispielsweise eines der beiden Gewinde fixiert, dann das relativ dazu drehbare Teil mit dem Druckmessgeräteanschluss in die gewünschte Position verdreht und danach die Befestigung an dem zweiten Anschluss mit einer Überwurfmutter durchgeführt werden.It is particularly advantageous if the respective pipe connection piece is divided between its threads and the two sections are rotatable and sealed relative to each other attached to each other. This makes it possible to turn the branch for a pressure gauge connection after assembly in any direction relative to the pipe and the pipe fitting and bring them into a favorable position. If two relatively rotatable parts form the pipe connecting piece, one of the two threads can be fixed, for example, then the relatively rotatable part with the pressure measuring device connection can be turned into the desired position and then the attachment to the second connection can be made with a union nut.

Der Messgeräteanschluss könnte an dem Rohranschlussstück in einer beliebigen Richtung quer zur Mittelachse des Rohranschlussstückes angeordnet sein. Besonders günstig es aber, wenn dieser Messgeräteanschluss an dem Rohranschlussstück radial zu der Durchflussrichtung des Heizmediums und zu der Länksmittelachse des Rohranschlussstücks angeordnet ist.The meter port could be located on the pipe fitting in any direction transverse to the central axis of the pipe fitting. But it is particularly favorable when this measuring device connection is arranged on the pipe connection piece radially to the flow direction of the heating medium and to the Länksmittelachse of the pipe connection piece.

Dadurch ist bei unterschiedlichen Anordnungen des Rohranschlussstücks der Messgeräteanschluss jeweils gut erreichbar. Die genannte Anordnung ergibt eine möglichst gute Zugänglichkeit des Druckmessgeräteanschlusses von allen Seiten her.As a result, the measuring device connection can be easily reached in each case with different arrangements of the pipe connection piece. Said arrangement gives the best possible accessibility of the pressure gauge connection from all sides.

Im Inneren des Messgeräteanschlusses kann ein federbelastetes Verschlusselement mit einer Dichtung oder Dichtstelle zusammen wirken und dieses Verschlusselement kann mit dem Druckmessgeräteanschluss von seiner Dichtungsstelle oder seinem Dichtsitz in Öffnungsstellung bewegbar sein. Dadurch kann erreicht werden, dass beim Anschließen des Druckmessgerätes an den Messgeräteanschluss auch gleich der in dem Rohrleitungssystem befindliche Druck auf dieses Druckmessgerät wirksam wird, ohne dass zusätzliche, gegebenenfalls auch noch mögliche Verschlusselemente separat geöffnet werden müssen. Wird das Druckmessgerät von dem Messgeräteanschluss gelöst, ist dieser auch in vorteilhafter Weise wieder automatisch verschlossen. Somit ergibt sich eine besonders einfache Handhabung.Inside the meter connection, a spring-loaded closure element can cooperate with a seal or sealing point, and this closure element can be movable with the pressure measuring device connection from its sealing point or its sealing seat into the open position. It can thereby be achieved that, when the pressure gauge is connected to the meter connection, the pressure in the piping system immediately becomes active on this pressure gauge, without the need for additional, possibly even possible, closure elements to be opened separately. If the pressure gauge is released from the meter connection, this is also automatically closed again in an advantageous manner. This results in a particularly simple handling.

Nachstehend sind Ausführungsbeispiele der Erfindung an Hand der Zeichnung näher beschrieben. Es zeigt in zum Teil schematisierter Darstellung:

Fig. 1
den Bereich eines Heizkörpers mit seinem Zulauf und seinem Ablauf und ein daran angeschlossenes Messgerät zum Messen der Druckdifferenz zwischen den beiden Anschlüssen,
Fig. 2
in vergrößertem Maßstab eine angewandelte Anordnung mit einem Heizkörper, dessen Zulauf von dem Ablauf einen größeren Abstand als bei der Anordnung gemäß Figur 1 hat,
Fig. 3
in weiter vergrößertem Maßstab eine erfindungsgemäße Vorrichtung am Zulauf und am Ablauf eines Heizkörpers mit von einander weggerichteten Abzweigungen mit Schnellkupplung für den Anschluss eines Druckmessgeräts,
Fig. 4
eine der Figur 1 entsprechende Darstellung, wobei die Schraubverbindung der Rohranschlussstücke mit dem Heizkörper über Überwurfmuttern erfolgt,
Fig. 5
eine der Figur 2 entsprechende Darstellung, bei welcher die Rohranschlussstücke mittels Überwurfmutter installiert sind, sowie
Fig. 6
eine der Figur 3 entsprechende Darstellung wiederum mit Befestigung der Rohranschlussstücke mittels Überwurfmuttern.
Embodiments of the invention with reference to the drawings are described in more detail below. It shows in partly schematized representation:
Fig. 1
the area of a radiator with its inlet and outlet and a measuring device connected to it for measuring the pressure difference between the two connections,
Fig. 2
on an enlarged scale an applied arrangement with a radiator whose inlet from the drain a greater distance than in the arrangement according to FIG. 1 Has,
Fig. 3
in a further enlarged scale, a device according to the invention at the inlet and at the outlet of a radiator with mutually directed branches with quick coupling for the connection of a pressure gauge,
Fig. 4
one of the FIG. 1 corresponding representation, whereby the screw connection of the pipe connection pieces with the radiator takes place via union nuts,
Fig. 5
one of the FIG. 2 corresponding representation in which the pipe fittings are installed by means of union nut, as well
Fig. 6
one of the FIG. 3 corresponding representation in turn with attachment of the pipe fittings by means of union nuts.

Bei der nachfolgenden Beschreibung der Ausführungsbeispiele erhalten hinsichtlich ihrer Funktion übereinstimmende Teile auch bei abweichender Formgebung übereinstimmende Bezugszahlen.In the following description of the embodiments obtained in their function matching parts even with different shapes consistent reference numbers.

Eine im Ganzen mit 1 bezeichnete Vorrichtung dient zur Ermittlung der Druckdifferenz zwischen zwei beabstandeten Stellen 2 und 3 einer Warmwasser-Heizanlage, in den dargestellten Ausführungsbeispielen zwischen dem Zulauf und dem Ablauf eines Heizkörpers 4 und weist jeweils einen Anschluss 5 für ein Druckmessgerät 6 auf, welches mit den Anschlüssen 5 gemäß Figur 1 und 4 über Schläuche oder biegsame Leitungen 7 verbunden werden kann.A device designated as a whole by 1 serves to determine the pressure difference between two spaced locations 2 and 3 of a hot water heating system, in the illustrated embodiments between the inlet and the outlet of a radiator 4 and each has a port 5 for a pressure gauge 6, which with the terminals 5 according to FIG. 1 and 4 can be connected via hoses or flexible cables 7.

Vor allem an Hand der Figuren 1 und 4 wird deutlich, dass die Vorrichtung 1 zwei getrennte, also separate, im Ganzen mit 8 bezeichnete Rohranschlussstücke aufweist, die in den Verlauf von Rohrleitungen der Heizanlage, im Ausführungsbeispiel unmittelbar an deren Eintritt in den Heizkörper 4, einsetzbar sind. Jedes dieser Rohranschlussstücke 8 hat eine Abzweigung 9 mit einer im Inneren angeordneten selbstdichtenden Schnellkupplung als Anschluss 5 für einen Druckmessgeräteanschluss, wie es in den Figuren 1 und 4 dargestellt ist.Especially on the hand of FIGS. 1 and 4 It is clear that the device 1 has two separate, ie separate, generally designated 8 pipe fittings, in the course of pipes of the heating system, in the embodiment directly at the entrance to the radiator 4, are used. Each of these pipe fittings 8 has a branch 9 with an internally arranged self-sealing quick coupling as a connection 5 for a pressure gauge connection, as shown in the FIGS. 1 and 4 is shown.

Jedes der beiden Rohranschlussstücke 8 der Vorrichtung 1 weist zwei in axialer Richtung beabstandete, koaxiale Gewindeanschlüsse 10 und 10a auf, die zu Gegengewinden in den nicht näher dargestellten Rohrleitungen und/oder an dem Heizkörper 4 passen. In allen Figuren ist die Verbindung der Rohranschlüsse 8 mit Hilfe von Gewinden an dem Heizkörper 4 dargestellt.Each of the two pipe connection pieces 8 of the device 1 has two axially spaced, coaxial threaded connections 10 and 10 a, which fit into counter threads in the pipes, not shown, and / or on the radiator 4. In all figures, the connection of the pipe connections 8 by means of threads on the radiator 4 is shown.

Im Ausführungsbeispiel nach Figur 1 ist der Gewindeanschluss 10 zum Verbinden mit dem Heizkörper 4 ein Außengewinde, das in einen entsprechenden Gegengewindestutzen passt, während in den Ausführungsbeispielen gemäß Figur 4 bis 6 an diesen Stutzen des Heizkörpers 4 Außengewinde angeordnet sind, die mit einer zu den Rohranschlüssen 8 verbundenen Überwurfmutter passen und mit dieser verbindbar sind.In the embodiment according to FIG. 1 is the threaded connection 10 for connecting to the radiator 4 has an external thread that fits into a corresponding counter-threaded connector, while in the embodiments according to FIGS. 4 to 6 4 external thread are arranged on these neck of the radiator, which fit with a union connected to the pipe connections 8 union nut and are connectable to this.

Dabei könne am Eintritt und am Austritt des jeweiligen Rohranschlussstücks 8 nicht nur unterschiedlich geformte Gewinde, nämlich einerseits ein Außengewinde und andererseits eine Überwurfmutter oder ein Innengewinde, sondern auch unterschiedlich bemessene Gewinde zur Anpassung an die Gegengewinde der jeweiligen Rohrleitung und/oder des Heizkörpers 4 vorgesehen sein, um an passender Stelle der Heizanlage das Druckmessgerät 6 anschließen zu können.It could at the inlet and the outlet of the respective pipe fitting 8 not only differently shaped threads, namely on the one hand an external thread and on the other hand a union nut or an internal thread, but also differently sized threads to adapt to the mating thread of the respective pipe and / or the radiator 4 may be provided in order to be able to connect the pressure gauge 6 at a suitable point of the heating system.

In beiden Ausführungsarten, also einerseits der gemäß den Figuren 1 bis 3 und andererseits der gemäß Figur 4 bis 6 ist das jeweilige Rohranschlussstück 8 zwischen seinen koaxialen Gewinden unterteilt und die beiden Teilstücke sind relativ zueinander drehbar verbunden und abgedichtet aneinander befestigt. Somit kann nach einer ersten Verschraubung des Rohranschlussstücks 8 beispielsweise mit dem Heizkörper 4 der Anschluss 5 für das Druckmessgerät 6 in eine günstige Position gedreht werden, bevor dann an das noch freie Gewinde 10a die entsprechende Rohrleitung zum Beispiel mit Hilfe einer Überwurfmutter angeschlossen wird.In both embodiments, so on the one hand according to the FIGS. 1 to 3 and on the other hand according to FIGS. 4 to 6 is the respective pipe fitting 8 divided between its coaxial threads and the two sections are rotatably connected relative to each other and sealed to each other. Thus, after a first screwing of the pipe fitting 8, for example with the radiator 4, the connection 5 for the pressure gauge 6 can be turned into a favorable position, before the corresponding pipe is connected to the still free thread 10a, for example by means of a union nut.

In allen Figuren erkennt man, dass der Messgeräteanschluss 5 an dem Rohranschlussstück 8 radial zu der Durchschlussrichtung des Heizmediums angeordnet ist. Entsprechend gut ist das frei Ende des Anschlusses 5 für die Messgeräteleitung 7 zugänglich.In all figures it can be seen that the measuring device connection 5 is arranged on the pipe connecting piece 8 radially to the direction of passage of the heating medium. The free end of the connection 5 is correspondingly well accessible to the measuring device line 7.

Im Inneren des Messgeräteanschlusses 5, also in der Abzweigung 9 des Rohranschlusssücks 8, ist ein vor allem in den Figuren 3 und 6 erkennbares federbelastetes Verschlusselement 11 mit einer Dichtung oder Dichtstelle erkennbar und dieses Verschlusselement 11 kann in axialer Richtung eingedrückt werden, wenn die endgültige Kupplung mit der Messleitung 7 hergestellt wird, die in den Figuren 1 und 4 noch in Offenstellung dargestellt ist. Mit dem entsprechenden Druckmessgeräteanschluss 12 kann das Verschlusselement 11 von seiner Dichtungsstelle oder seinem Dichtsitz axial in das Innere der Abzweigung 5 und damit in Öffnungsstellung bewegt werden, um somit automatisch die Verbindung mit dem Druckmessgerät 6 herzustellen, wie es in Figur 1 am dem rechts befindlichen Anschluss 5 gezeichnet ist.In the interior of the meter connection 5, ie in the branch 9 of the Rohranschlusssücks 8, one is mainly in the Figures 3 and 6 recognizable spring-loaded closure element 11 with a seal or sealing point recognizable and this closure element 11 can be pressed in the axial direction when the final coupling is made with the measuring line 7, which in the FIGS. 1 and 4 is still shown in open position. With the corresponding pressure gauge connection 12, the closure element 11 can be moved axially from its sealing point or its sealing seat into the interior of the branch 5 and thus into the open position, thus automatically establishing the connection to the pressure measuring device 6, as is shown in FIG FIG. 1 is drawn on the right-hand terminal 5.

Die mehrteilige Vorrichtung 1 die auch als Bausatz bezeichnet oder angesehen werden kann, dient zur Ermittlung der Druckdifferenz zwischen zwei beabstandeten Stellen 2 und 3 einer Warmwasser-Heizanlage, bevorzugt zwischen dem Zulauf und dem Ablauf eines Heizkörpers 4 unmittelbar an entsprechenden, zu dem Heizkörper 4 gehörenden Anschlussstutzen, und hat jeweils einen Anschluss 5 für ein Druckmessgerät 6, welches mit Hilfe einer Leitung 7 und einer Kupplung 12 angeschlossen werden kann. Wesentlich ist bei der Vorrichtung 1, dass zwei getrennte oder separate, also voneinander unabhängig montierbare Rohranschlussstücke 8 vorgesehen sind, die in den Verlauf von Rohrleitungen oder an die Stellen 2 und 3 eines Heizkörpers 4 anschließbar sind und jeweils eine Abzweigung 9 mit einer selbstdichtenden Schnellkupplung als Anschluss 5 für das Druckmessgerät 6 aufweisen.The multi-part device 1 which can also be referred to or regarded as a kit serves to determine the pressure difference between two spaced locations 2 and 3 of a Hot water heating system, preferably between the inlet and the outlet of a radiator 4 directly to corresponding, belonging to the radiator 4 connecting piece, and each has a connection 5 for a pressure gauge 6, which can be connected by means of a line 7 and a clutch 12. It is essential in the device 1, that two separate or separate, ie independently mountable pipe fittings 8 are provided, which are connectable to the course of pipes or to the points 2 and 3 of a radiator 4 and each have a branch 9 with a self-sealing quick coupling Have port 5 for the pressure gauge 6.

Claims (6)

Vorrichtung zur Ermittlung der Druckdifferenz zwischen zwei beabstandeten Stellen (2, 3) einer Warmwasser-Heizanlage, insbesondere zwischen dem Zulauf und dem Ablauf eines Heizkörpers (4), jeweils mit einem Anschluss (5) für ein Druckmessgerät (6), dadurch gekennzeichnet, dass die Vorrichtung (1) zwei getrennte oder separate Rohranschlussstücke (8) aufweist, die in den Verlauf von Rohrleitungen der Heizanlage einsetzbar sind, und dass jedes dieser Rohranschlussstücke (8) eine Abzweigung (9) mit einer selbstdichtenden Schnellkupplung für einen Druckmessgeräteanschluss aufweist.Device for determining the pressure difference between two spaced locations (2, 3) of a hot water heating system, in particular between the inlet and the outlet of a radiator (4), each with a connection (5) for a pressure gauge (6), characterized in that the device (1) has two separate or separate pipe fittings (8) which are insertable in the course of pipelines of the heating system, and that each of these pipe fittings (8) has a branch (9) with a self-sealing quick coupling for a pressure gauge connection. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass jedes der beiden Rohranschlussstücke (8) zwei beabstandete, koaxiale Gewindeanschlüsse (10, 10a) aufweist, die zu Gegengewinden in den Rohrleitungen und/oder an einem Heizkörper (4) passen.Apparatus according to claim 1, characterized in that each of the two pipe fittings (8) has two spaced, coaxial threaded connections (10, 10a) which mate with mating threads in the pipes and / or on a radiator (4). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass am Eintritt und am Austritt des jeweiligen Rohranschlussstücks (8) unterschiedlich bemessene Gewinde zur Anpassung an die Gegengewinde der jeweiligen Rohrleitung und/oder des Heizkörpers (4) vorgesehen sind.Apparatus according to claim 1 or 2, characterized in that at the inlet and at the outlet of the respective pipe connection piece (8) differently sized threads for adaptation to the mating threads of the respective pipe and / or the radiator (4) are provided. Vorrichtung nach einem der Ansprüche 1 bis 3 dadurch gekennzeichnet, dass das jeweilige Rohranschlussstück (8) zwischen seinen Gewinden unterteilt ist und die beiden Teilstücke relativ zueinander drehbar und abgedichtet aneinander befestigt sind.Device according to one of claims 1 to 3, characterized in that the respective pipe connection piece (8) is divided between its threads and the two sections are rotatably and sealed relative to each other attached to each other. Vorrichtung nach einem der Ansprüche 1 bis 4 dadurch gekennzeichnet, dass der Messgeräteanschluss (5) an dem Rohranschlussstück (8) radial zu der Durchflussrichtung des Heizmediums angeordnet ist.Device according to one of claims 1 to 4, characterized in that the measuring device connection (5) on the pipe connection piece (8) is arranged radially to the flow direction of the heating medium. Vorrichtung nach einem der Ansprüche 1 bis 5 dadurch gekennzeichnet, dass im Inneren des Messgeräteanschlusses (11) ein federbelastetes Verschlusselement mit einer Dichtung oder Dichtstelle zusammenwirkt und dass dieses Verschlusselement (11) mit dem Druckmessgeräteanschluss von seiner Dichtungsstelle oder seinem Dichtsitz in Öffnungsstellung bewegbar ist.Device according to one of claims 1 to 5, characterized in that in the interior of the measuring device connection (11) a spring-loaded closure element cooperates with a seal or sealing point and that this closure element (11) is movable with the pressure measuring device connection of its sealing point or its sealing seat in the open position.
EP09011895.1A 2008-12-01 2009-09-18 Device for determining the pressure differential in a hot water heating assembly Not-in-force EP2192353B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202008015824U DE202008015824U1 (en) 2008-12-01 2008-12-01 Device for determining the pressure difference on a hot water heating system

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EP2192353A2 true EP2192353A2 (en) 2010-06-02
EP2192353A3 EP2192353A3 (en) 2011-06-15
EP2192353B1 EP2192353B1 (en) 2015-03-25

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063530A1 (en) 1981-04-17 1982-10-27 Ets. A. Desbordes Method of controlling the flow of a fluid circulating in a central heating system, and apparatus therefor
DE10211533A1 (en) 2001-03-28 2002-10-17 Gampper Gmbh Tap (faucet) block has pressure difference measuring device for outward connection

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8402985D0 (en) * 1984-02-03 1984-03-07 Fluid Devices Ltd Readout module
GB2335742B (en) * 1998-03-23 2002-07-10 British Gas Plc Fluid pressure testing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063530A1 (en) 1981-04-17 1982-10-27 Ets. A. Desbordes Method of controlling the flow of a fluid circulating in a central heating system, and apparatus therefor
DE10211533A1 (en) 2001-03-28 2002-10-17 Gampper Gmbh Tap (faucet) block has pressure difference measuring device for outward connection
DE10211533B4 (en) 2001-03-28 2005-12-22 Gampper Armaturen Gmbh Hahn block

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DE202008015824U1 (en) 2009-02-19
EP2192353B1 (en) 2015-03-25
EP2192353A3 (en) 2011-06-15

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