EP4242524B1 - Heiz-/kühlsystemverteilung - Google Patents

Heiz-/kühlsystemverteilung Download PDF

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Publication number
EP4242524B1
EP4242524B1 EP22160652.8A EP22160652A EP4242524B1 EP 4242524 B1 EP4242524 B1 EP 4242524B1 EP 22160652 A EP22160652 A EP 22160652A EP 4242524 B1 EP4242524 B1 EP 4242524B1
Authority
EP
European Patent Office
Prior art keywords
functional part
fixing means
sleeve
manifold
manifold according
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
EP22160652.8A
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English (en)
French (fr)
Other versions
EP4242524A1 (de
Inventor
Anders Østergaard Clausen
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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Priority to DK22160652.8T priority Critical patent/DK4242524T3/da
Priority to EP22160652.8A priority patent/EP4242524B1/de
Priority to CN202310147294.XA priority patent/CN116734315A/zh
Publication of EP4242524A1 publication Critical patent/EP4242524A1/de
Application granted granted Critical
Publication of EP4242524B1 publication Critical patent/EP4242524B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • F24D3/1066—Distributors for heating liquids
    • 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
    • F24H9/00—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0271—Valves

Definitions

  • the present invention relates to a heating/cooling system manifold comprising a sleeve having two openings in a wall and fixing means having a connection geometry.
  • the fixing means comprise two parts in form of tubular metal elements which are inserted into opposing openings in the sleeve and are connected to each other by means of a threaded connection, wherein one tubular element comprises a male thread and the other tubular element comprises a female thread.
  • the parts of the fixing means When the parts of the fixing means are connected, they have to be rotated against each other which can be detrimental for O-rings which are used to form a sealing between the parts of the fixing means and the sleeve.
  • the distributor valve comprises a housing made of a plastic material.
  • the housing forms a duct and a transverse tube.
  • the transverse tube forms a seat for an adjustment and closure body which can be actuated by means of a spindle.
  • the transverse tube is made in one part with the housing or can be a separate part.
  • the adjustment and closure body is mounted to a support member which is screwed into an opening of the housing opposite the valve seat.
  • EP1 688 713 A2 shows a flow control valve with flowmeter.
  • the flow control valve comprises a header having two openings opposite to each other.
  • a branching duct is screwed into one opening and actuating means are screwed into the opposite opening.
  • the actuating means interact with the branching duct.
  • the object underlying the invention is to facilitate mounting of a manifold for a heating/cooling system.
  • the functional part is part of the presetting means and is used to control a flow of fluid from the sleeve to a heating or cooling circuit connected to the sleeve or from the heating or cooling system to the sleeve.
  • This is in particular useful when the manifold is used in a floor heating system, in particular as a forward manifold or a return manifold.
  • the fixing means form a closed ring around the sleeve, which gives a high stability of the fixing means and the connection to the sleeve.
  • the sleeve can be loaded in one direction, preferably in the direction in which a centre axis of the opening is directed.
  • the parts of the fixing means can be pressed with sufficient force against the sleeve to ensure a sufficient tightness.
  • a sealing means will be provided.
  • the functional part is moveable transverse to a longitudinal extension of the sleeve.
  • the functional part can then be positioned in different positions along the diameter of the sleeve to adjust certain characteristics in the flow through the manifold or from the manifold to other parts of the cooling or heating system, in particular the maximum flow through the presetting means.
  • the functional part is a first functional part and interacts with a control opening in a second functional part.
  • the control opening allows entry of a fluid from the sleeve into the channel formed by the two parts of the fixing means.
  • the first functional part can be moved, it can open or close the control opening more or less to control the flow of fluid through the opening.
  • the first functional part in cooperation with the second functional part form the pre-setting means.
  • the first functional part is held unrotatably in the fixing means and the second functional part is rotatably mounted to the fixing means, wherein the first functional part and the second functional part are connected by means of a threaded connection.
  • This threaded connection is only a connection between the functional parts, however, not between the fixing means.
  • the second functional part comprises a tube-like section extending through the first functional part.
  • the first functional part is guided over a considerable length on the outside of the second functional part.
  • the first functional part can be surrounded by the protrusion of a part of the fixing means, so that the first functional part is guided in a gap between two parts which gives a rather high stability, so that the position of the first functional part with respect to the second functional part can be adjusted with a high precision.
  • the fixing means comprise at least one rib or groove parallel to the moving direction of the first functional part, the rib or groove cooperating with a corresponding groove or rib of the first functional part.
  • the cooperation between rib and groove is a simple way to allow a translational movement of the first functional part and to prevent a rotational movement of the first functional part at the same time.
  • the fixing means comprise a sealing ring and the first functional part has a first end position which is in contact with a sealing ring and closes the control opening and a second end position in which the control opening is open to a maximum.
  • the pre-setting means is closed in this position of the first functional part.
  • the threaded connection has a pitch translating a rotation of the second functional part over less than 360° to a stroke between the two end positions.
  • the threaded connection is a high pitch thread.
  • the high pitch thread can be a multi turn thread or a thread having a pitch which could give a stroke of, for example, 6 mm for one turn of 360°.
  • a multi turn thread comprises a plurality of intertwined threads thus allowing a rather large stroke per revolution.
  • the high pitch thread comprises at least two intertwined threads, preferably four or six intertwined threads. The larger the number of intertwined threads, the larger the stroke per revolution.
  • the manifold is a forward manifold.
  • a valve for controlling the flow of heat carrying fluid is usually mounted in a return manifold.
  • this valve can remain unchanged in the return manifold.
  • the two parts of the fixing means are connected by means of screws outside the sleeve or by a welding seam outside the sleeve.
  • screws outside the sleeve or by a welding seam outside the sleeve.
  • a connection between the parts of the fixing means is realized by means of screws which can, for example, be parallel to a tangent to the circumference of the sleeve, or by a welding seam. The screws are easily accessible. Mounting is thus simplified.
  • the sleeve can be made of a metal material and the fixing means can be made of a plastic material.
  • each of the two parts of the fixing means comprises a protrusion extending into the interior of the sleeve.
  • This protrusion can then accommodate at least a functional part of the presetting means, so that this functional part is guided in a certain area of movement within the sleeve.
  • the sleeve comprises a circumferential wall having two openings opposite to each other, wherein the protrusion is a first protrusion of a first part of the fixing means and a second part of the fixing means comprises a second protrusion extending into the interior of the sleeve. Since the openings in the sleeve are arranged opposite to each other, the protrusions are directed towards each other and form a tube-like section accommodating a channel or parts of a channel, so that the functional part or functional parts can be accommodated in the channel. This channel can be used to guide a fluid out of the sleeve in a controlled manner.
  • the first protrusion contacts the second protrusion.
  • the channel is provided with a throughgoing wall, wherein the wall can have an opening allowing a controlled entry of a fluid from the interior of the sleeve into the channel.
  • the fixing means may further be provided with a connection piece.
  • the connection piece allows the connection between the manifold and a forward line or a return line of the heating or cooling system.
  • Fig. 1 shows a part of a heating/cooling system manifold 1 comprising a sleeve 2 having openings 3, 4 on opposite sides of a circumferential wall of the sleeve 2.
  • Fixing means 5 are mounted to the sleeve 2.
  • the fixing means 5 comprise a connection geometry 6 for mounting at least a functional part of the system to the sleeve 2.
  • the fixing means 5 are arranged around the opening 3, 4.
  • the fixing means 5 are formed in the present example by two parts 7, 8 which are mounted to the sleeve 2 from opposite directions, i.e. basically along a diameter of the sleeve 2.
  • the two parts 7, 8 form a closed assembly around the sleeve 2, i.e. in the region of the openings 3, 4 the sleeve 2 is completely encapsulated by the fixing means 5.
  • the two parts 7, 8 of the fixing means 5 are connected by means of screws 9, 10 which are arranged outside the sleeve and are basically directed in parallel to a tangent to the sleeve 2.
  • the two parts 7, 8 of the fixing means 5 can be connected by a welding seam outside the sleeve 2 (not shown).
  • the sleeve 2 can be made from a metal material, wherein the two parts 7, 8 of the fixing means 5 can be made, for example, from a plastic material.
  • the first part 7 comprises a first protrusion 11 which is inserted into the opening 3 of the sleeve 2.
  • the second part 8 comprises a second protrusion 12 which is inserted through the second opening 4 into the interior of the sleeve 2.
  • Both protrusions 11, 12 overlap each other and form a channel 13 (or tube) which is closed with the exception of an opening 14 which is shown in Fig. 4 to 6 an 8 to 10 only. This opening 14 is not visible in the sectional view of Fig. 2 .
  • Fig. 3 shows that a number of different functional parts can be mounted to the fixing means 5.
  • the functional part can be a plug 114, a simple pre-setting means 115, a more advanced pre-setting means 116 or a pre-setting means 117 having a flow meter 118.
  • the functional part can be a venting connection 119. All functional parts can be connected to the sleeve 2 by means of the same fixing means 5.
  • Fig. 4 to 10 show the manifold 1 in connection with the pre-setting means 116.
  • the same elements are referred to with the same reference numerals as in Fig. 1 to 3 .
  • Fig. 6 shows part of the fixing means, in particular the first protrusion 11 having the opening 14 and the second protrusion 12.
  • the second protrusion 12 comprises a number of ribs 15, 16 extending parallel to the lengthwise extension of the second protrusion 12 and the function of which will be explained in connection with some of the other Figures.
  • a first functional part 17 is arranged in the fixing means 5, in particular in the second part 8 of the fixing means and specifically within the second protrusion 12.
  • the first functional part 17 has on its outside grooves (not visible in Fig. 4 ) corresponding to the ribs 15, 16 shown in Fig. 6 .
  • the cooperation between the grooves and the ribs 15, 16 have the consequence that the first functional part 17 can be moved in a translational manner within the second protrusion 12, while a rotational movement of the first functional part 17 is prevented.
  • An O-ring 18 is arranged between the first functional part 17 and the second protrusion 12 to prevent any leakage flow between the first functional part 17 and the second protrusion 12.
  • a second functional part 19 is mounted rotatably to the first part 7 of the fixing means 5.
  • the second functional part 19 comprises a control opening 20.
  • the second functional part 19 comprises a male thread 21 which is in engagement with a female thread 22 of the first functional part 17.
  • a channel is provided inside a tube-like section 24 of the second functional part.
  • the second functional part 19 comprises a sealing ring 23 and the first functional part 17 has a first end position which is in contact with the sealing ring 23. This position is shown in Fig. 10 .
  • the contact between the first functional part 17 and the sealing ring 23 forms a fluid-tight seal, so that no fluid from the interior of the sleeve 2 can propagate to a channel 24 which is formed in the interior of the second functional part 19.
  • the pre-setting means 116 is completely closed.
  • Fig. 8 shows a position of the first functional part 17, in which the control opening 20 is open to a maximum. This position is a second end position.
  • Fig. 9 shows an intermediate position of the first functional part 17, in which the control opening 20 is partly open, so that a reduced flow of fluid can flow from the interior of the sleeve 2 through the channel 24 in the interior of the second functional part 19.
  • the first functional part 17 is held between the second protrusion 12 and the second functional part 19, so that the position of the first functional part 17 can be adjusted with a high precision.
  • the pre-setting means 116 comprise an adjusting knob 25 which is connected to the second functional part 19and which can be rotated by a bit less than 360°.
  • the first part 7 of the fixing means 5 comprise a stop 26 and the adjustment knob 25 comprises another stop 27.
  • the stop 26 of the fixing means 5 can be rotated between two end positions defined by the two end positions of stop 27.
  • the adjustment knob 25 is rotated between these two end positions, the first functional part 17 is translated between the two end positions ( Fig. 8 and Fig. 10 ) by way of the threaded connection, so that pre-setting of a heating/cooling system is made very simple.
  • the fixing means 5 can be provided with a connection piece 28 which simplifies the connection to a forward or return line of the heating/cooling system.
  • All functional parts 114-119 and the connection piece can be held in the fixing means 5 by means of a snap ring 29, 30 or another spring-like element.
  • part 7 of the fixing means 5 is provided with an O-ring 31 surrounding one opening in the manifold 2 and part 8 of the fixing means 5 is provided with an O-ring 32 surrounding the opposite opening in the manifold 2.
  • the O-rings 31, 32 have two functions: they produce a tight seal and they can equalize small tolerances when the two parts 7, 8 of the fixing means 5 are mounted to the manifold 2.
  • the threaded connection is a so called multi turn thread, i.e., the male thread 21 and the female thread 22 each have two or more intertwined threads running parallel to one another. Intertwining threads allow the lead distance of a thread to be increased.
  • a double turn thread will have a lead distance double that of a single turn thread of the same pitch, a triple turn thread will have a lead distance three times longer than a single turn thread of the same pitch, and so on.
  • the multi turn thread comprises 6 times multi turn thread which is in particular of advantage in connection with the presetting means 116.
  • the opening 20 has a width in circumferential direction which varies over the stroke of the first functional part 17.
  • An example for the shape of the opening 20 is shown in Fig. 11 and Fig. 12 .
  • Fig. 11 shows the second functional part 19 having the opening 20.
  • the opening 20 is shown in Fig. 12 in a larger scale.
  • the opening 20 comprises a coarse adjustment section 33 having a large width in circumferential direction, a transitional section 34 in which the width in circumferential direction decreases, and a fine adjustment section 35 having the smallest width in circumferential direction.
  • the coarse adjustment section 33 When the upper end the first functional part 17 (related to the view shown in Fig. 8 to 11 ) is moved in the coarse adjustment section 33 the change in the size of opening 20 for each mm of stroke of the first functional part 17 is much larger than when the upper end of the first functional part 17 is move in the fine adjustment section 35. Since correlation between the rotation of the adjustment knob 25 and the translational movement of the first functional part 17 is linear, a very fine adjustment is possible for small flow volumes.
  • Fig. 11 also shows the male thread 21 having the six intertwining threads 36 mentioned above.

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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)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Claims (13)

  1. Heiz-/Kühlsystemverteiler (1), umfassend eine Hülse (2) mit zwei Öffnungen (3, 4) in einer Wand und Befestigungsmittel (5) mit einer Verbindungsgeometrie (6, 29, 30), dadurch gekennzeichnet, dass Voreinstellmittel (116) des Systems mittels der Befestigungsmittel (5) an der Hülse (2) montiert sind, wobei die Befestigungsmittel mindestens zwei Teile (7, 8) umfassen, die um die Hülse (2) eine geschlossene Anordnung ausbilden, auf entgegengesetzten Seiten eines Umfangs der Hülse (2) montiert sind und verbunden sind, wobei ein Funktionsteil (17) der Voreinstellmittel (116) bewegbar an den Befestigungsmitteln (5) montiert ist.
  2. Verteiler nach Anspruch 1, dadurch gekennzeichnet, dass das Funktionsteil (17) quer zu einer Längsausdehnung der Hülse (2) bewegbar ist.
  3. Verteiler nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Funktionsteil ein erstes Funktionsteil (17) ist und mit einer Regelöffnung (20) in einem zweiten Funktionsteil (19) zusammenwirkt.
  4. Verteiler nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das erste Funktionsteil (17) undrehbar in den Befestigungsmitteln (5) gehalten wird und das zweite Funktionsteil (19) drehbar an den Befestigungsmitteln (5) montiert ist, wobei das erste Funktionsteil (17) und das zweite Funktionsteil (19) mittels einer Gewindeverbindung (21, 22) verbunden sind.
  5. Verteiler nach Anspruch 4, dadurch gekennzeichnet, dass das zweite Funktionsteil (19) einen röhrenähnlichen Abschnitt (24), der sich durch das erste Funktionsteil (17) erstreckt, umfasst.
  6. Verteiler nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Befestigungsmittel (5) mindestens eine Rippe (15, 16) oder Nut parallel zu einer Bewegungsrichtung des ersten Funktionsteils (17) umfassen, wobei die Rippe oder Nut mit einer entsprechenden Nut oder Rippe des ersten Funktionsteils (17) zusammenwirkt.
  7. Verteiler nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die Befestigungsmittel (5) einen Dichtungsring (23) umfassen und das erste Funktionsteil (17) eine erste Endposition, in der es in Kontakt mit dem Dichtungsring (23) ist und die Regelöffnung (20) schließt, und eine zweite Endposition, in der die Regelöffnung (20) bis zu einem Maximum offen ist, aufweist.
  8. Verteiler nach Anspruch 7, dadurch gekennzeichnet, dass die Gewindeverbindung (21, 22) eine Steigung aufweist, die eine Drehung des zweiten Funktionsteils (19) über weniger als 360° in einen Hub des ersten Funktionsteils (17) zwischen den zwei Endpositionen übersetzt.
  9. Verteiler nach Anspruch 8, dadurch gekennzeichnet, dass die Gewindeverbindung (21, 22) ein steilgängiges Gewinde ist.
  10. Verteiler nach Anspruch 9, dadurch gekennzeichnet, dass das steilgängige Gewinde mindestens zwei miteinander verschlungene Gewinde aufweist.
  11. Verteiler nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Verteiler (2) ein Vorwärtsverteiler ist.
  12. Verteiler nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die zwei Teile (7, 8) der Befestigungsmittel (5) jeweils einen Vorsprung (11, 12), der sich in das Innere der Hülse (2) erstreckt, umfassen.
  13. Verteiler nach Anspruch 12, dadurch gekennzeichnet, dass der Vorsprung (11) des ersten Teils (7) den Vorsprung (12) des zweiten Teils (8) kontaktiert.
EP22160652.8A 2022-03-08 2022-03-08 Heiz-/kühlsystemverteilung Active EP4242524B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK22160652.8T DK4242524T3 (da) 2022-03-08 2022-03-08 Manifold varme-/kølesystem
EP22160652.8A EP4242524B1 (de) 2022-03-08 2022-03-08 Heiz-/kühlsystemverteilung
CN202310147294.XA CN116734315A (zh) 2022-03-08 2023-02-20 具有全关断的章鱼式预设定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22160652.8A EP4242524B1 (de) 2022-03-08 2022-03-08 Heiz-/kühlsystemverteilung

Publications (2)

Publication Number Publication Date
EP4242524A1 EP4242524A1 (de) 2023-09-13
EP4242524B1 true EP4242524B1 (de) 2024-02-21

Family

ID=80684017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22160652.8A Active EP4242524B1 (de) 2022-03-08 2022-03-08 Heiz-/kühlsystemverteilung

Country Status (3)

Country Link
EP (1) EP4242524B1 (de)
CN (1) CN116734315A (de)
DK (1) DK4242524T3 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3509718C2 (de) * 1985-03-18 1994-03-31 Siegfried Boehnisch Verteilerventil mit Durchflußmesser
DE29716779U1 (de) * 1997-09-18 1999-01-28 Dumser Metallbau GmbH & Co. KG, 76829 Landau Verteiler für einen mit einem flüssigen Medium betriebenen Kreislauf einer Wärme- oder Kälteversorgungsanlage
ITTO20021059A1 (it) 2002-12-04 2004-06-05 Onda Engineering System S R L Collettore in materiale plastico per impianti di riscaldamento ad acqua e simili
ITMI20050165A1 (it) * 2005-02-04 2006-08-05 Stefano Fracchia Valvola di regolazione e misura della portata di un flusso di fluido

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Publication number Publication date
CN116734315A (zh) 2023-09-12
EP4242524A1 (de) 2023-09-13
DK4242524T3 (da) 2024-04-02

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