EP4242523B1 - Collecteur de système de chauffage/refroidissement - Google Patents

Collecteur de système de chauffage/refroidissement Download PDF

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Publication number
EP4242523B1
EP4242523B1 EP22160651.0A EP22160651A EP4242523B1 EP 4242523 B1 EP4242523 B1 EP 4242523B1 EP 22160651 A EP22160651 A EP 22160651A EP 4242523 B1 EP4242523 B1 EP 4242523B1
Authority
EP
European Patent Office
Prior art keywords
fixing means
sleeve
manifold according
limiter
manifold
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
EP22160651.0A
Other languages
German (de)
English (en)
Other versions
EP4242523A1 (fr
Inventor
Poul Hølck
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 EP22160651.0A priority Critical patent/EP4242523B1/fr
Priority to DK22160651.0T priority patent/DK4242523T3/da
Priority to CN202310135065.6A priority patent/CN116734502A/zh
Publication of EP4242523A1 publication Critical patent/EP4242523A1/fr
Application granted granted Critical
Publication of EP4242523B1 publication Critical patent/EP4242523B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • 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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
    • 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
    • F24D2220/0228—Branched distribution conduits
    • 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, at least one arrangement of functional parts within the sleeve, and fixing means for mounting the functional parts to the sleeve, the fixing means having a connection geometry for aligning the two parts of the fixing means in relation to each other.
  • 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 inside the sleeve, wherein one tubular element comprises a male thread and the other tubular element comprises a female thread.
  • one tubular element comprises a male thread
  • the other tubular element comprises a female thread.
  • WO 2011/112515 A2 describes a modular manifold with quick disconnect valve fittings.
  • the manifold is assembled from a number of modules forming a manifold body. Plates are secured to side faces of the manifold body using a plurality of fasteners.
  • a plurality of valve adapters is connected to the manifold body by means a snap ring which is arranged between the plate and the manifold body.
  • the object underlying the invention is to have a flow capacity as big as possible in a cooling/heating system manifold.
  • connection geometry is arranged on an outside of the sleeve and a space between the fixing means is arranged within the sleeve.
  • the fixing means do not contact each other within the sleeve. Thus, the fixing means leave more space available for the flow than in the known manifold. The larger the area which is available for the flow, the smaller is the flow resistance and the larger is the flow capacity.
  • the sleeve comprises two openings in a circumferential wall. Parts of the fixing means are inserted into the openings, but do not have a contact in the interior of the sleeve.
  • the fixing means are connected to each other on the outside of the sleeve by means of a screw connection. It is, for example, possible to use a couple of screws which are arranged tangentially to the tube. Such a screw connection can connect the fixing means with sufficient reliability. Other ways of connecting the parts of the fixing means are possible, for example welding.
  • the fixing means comprise a first part and a second part which parts are mounted to the sleeve from opposite sides of the sleeve, wherein only one of the parts comprises a functional element which can be actuated from the outside of the tube.
  • the opposite sides are arranged on both sides of a longitudinal centre axis of the sleeve, i. e. they are arranged on a diameter, when the sleeve has a circular cross section.
  • the functional element is a valve element guided in a housing which is mounted to the first part.
  • the valve element can be moved within the housing.
  • the housing in turn is fixed to the first part of the fixing means.
  • the second part comprises a valve seat, wherein the valve element can be moved into the valve seat.
  • the valve element When the valve is open, there is a certain space between the valve element and the valve seat. In order to close the valve, the valve element is moved into the valve seat.
  • the valve element is provided with a sealing ring sealing to an inner side of the valve seat. In this way it is possible to completely close the valve.
  • a spring acts on the valve element in opening direction, when the spring rests against the second part.
  • the second part does not only bear the valve seat but is also an end stop for the spring. This facilitates the assembly of the manifold.
  • the two parts can be mounted to the sleeve. Thereafter, the housing of the valve element is fixed to the first part of the fixing means and the spring is automatically pretensioned when the spring comes into contact with the second part of the fixing means.
  • the valve element comprises a hollow stem and the spring is guided in the hollow stem.
  • the spring is not only guided in a hollow stem, but it is also fixed on the second part of the fixing means in all directions transversally to the acting direction of the spring. Thus, when the valve element has approached the second part, the spring aligns the valve element to the second part and in this way to the valve seat.
  • a flow limiter is arranged in the second part, wherein the flow limiter comprises a limiter element and a limiter spring acting on the limiter element in an opening direction.
  • a flow limiter is advantageous, when a return fluid from the system enters the manifold from the side of the second part of the fixing means. When the flow from the system increases this increased flow will act on the limiter element and compress the limiter spring, so that the limiter element is moved in a direction towards a limiter valve seat. The smaller the distance between the limiter element and the limiter valve seat is, the larger is the flow resistance for the flow from the system into the manifold.
  • the limiter spring rests against the valve element. Thus, no additional parts are necessary to form a stop for the limiter spring.
  • At least one of the openings comprises a non-circular shape and the fixing means protrude into this opening with a geometry adapted to the non-circular shape.
  • connection geometry forms alignment means. This is a further possibility to achieve the correct alignment of the parts of the fixing means. When the alignment of the parts of the fixing means is correct, the alignment of the valve element with respect to the valve seat is also achieved.
  • connection piece is mounted to the fixing means in a tiltable manner.
  • the connection piece forms a flexible part to connect tubes to different parts of the system with the manifold. This makes it easier to mount the tubes to the manifold.
  • connection piece may comprise within the fixing means a head having at least partly a spherical form.
  • the spherical form of the head of the connection piece allows a certain angular movement of the connection piece within the fixing means.
  • the head is provided with a sealing ring.
  • the sealing ring seals against a leakage in any possible angular position of the connection piece.
  • connection piece is held in the fixing means by means of a holding element gripping under the head and being inserted into the fixing means from the outside.
  • the connection piece cannot be withdrawn from the fixing means.
  • a housing of a functional part on the other side of the sleeve can be connected to the fixing means in the same way.
  • the holding element can grip in a groove of the housing.
  • Fig. 1 shows a manifold 1 of a heating/cooling system.
  • the manifold 1 comprises a sleeve 2 having openings 3, 4 ( Fig. 2 ) in a circumferential wall of the sleeve 2.
  • the manifold comprises at least one arrangement of functional parts 5 and fixing means for mounting the functional parts 5 to the sleeve 2.
  • the fixing means have a connection geometry 6 ( Fig. 3 to 5 ).
  • Fig. 1 shows that the manifold 1 can have more than one arrangement of functional parts 5.
  • the arrangements of functional parts 5 can have different forms. They can form, for example, a valve arrangement, a simple connection arrangement, pre-setting means or a flow meter.
  • the fixing means according to the invention comprise a first part 7 and a second part 8 which are preferably connected to each other by means of screws 9, 10. However, the screws 9, 10 are arranged outside the sleeve 2.
  • the parts 7, 8 of the fixing means 5 do not contact each other in an inner space 11 of the sleeve, but a distance 12 is provided between the first part 7 and the second part 8.
  • the first part 7 and the second part 8 are mounted to the sleeve 2 from opposite sides of a diameter of the sleeve.
  • the screws 9, 10 are arranged basically tangentially to the circumference of the sleeve 2.
  • connection geometry 13 which serves as alignment means for aligning the two parts 7, 8 of the fixing means in relation to each other.
  • connection geometry 13 shows a triangular protrusion in the first part 7 and a triangular groove in the second part 8.
  • other connection geometries are possible.
  • Only the first part 7 comprises a functional element in form of a valve element 14.
  • the valve element 14 is guided in a housing 15.
  • the housing 15 is fixed to the first part 7 by means of a holding element 16 which is, for example, U-shaped and shifted into a slot 17 in the first part 7.
  • the first part 7 of the fixing element engages at the same time in a corresponding slot 18 in the housing 15.
  • the valve element 14 is connected to a stem 19 which is used for guiding the valve element 14 in the housing 15.
  • the stem 19 is hollow and comprises a hollow space 20 in which an opening spring 21 is guided.
  • the second part 8 comprises a tube-like protrusion extending into the interior 11 of the space 2.
  • the tube-like protrusion 22 forms a valve seat 23 at its end facing the valve element 14.
  • the valve element 14 is provided with a sealing ring 24 at its circumference. The valve element 14 can be shifted not only towards the second part 8, but also into the tube-like protrusion 22. In this position, when the valve element 14 is inserted into the second part 8 of the fixing means, the valve is closed, since the sealing ring 24 seals against the tube-like protrusion 22.
  • a distance between the valve element 14 and the valve seat 23 determines a flow resistance for a flow from the inside 11 of the tube 2 through the second part 8 to the outside.
  • the second part 8 comprises also a pin-like protrusion 25 in its centre.
  • the spring 21 is mounted to this pin 25 with one end, so that the spring 21 is centred with respect to the second part 8 of the fixing means.
  • the valve element 14 is also aligned with respect to the valve seat 23.
  • connection piece 26 is connected to the second part 8 of the fixing means.
  • the connection piece 26 comprises a head 27 having at least partly a spherical form and is provided with a sealing ring 28.
  • the connection piece 26 can be tilted within the second part 8 within certain limits thus facilitating the mounting of tubes with which the manifold 1 is connected to the heating or cooling system.
  • connection piece 26 is fixed to the second part 8 by means of a fixing element 29 which is inserted into the second part 8 from one side (parallel to a tangent of the sleeve 2) and grips behind the head 27, so that the head 27 cannot be withdrawn from the second part 8.
  • Fig. 4 and 5 show a valve according to the embodiment shown in Fig. 2 and 3 (however, without sleeve) and additionally with a flow limiter.
  • the flow limiter comprises a limiter element 30 and a limiter spring 31.
  • the limiter spring 31 rests against the valve element 14, however, on a radius, which is larger than the radius of the spring 21.
  • the limiter element 30 cooperates with a limiter valve seat 32 and comprises a number of radially extending protrusions 33.
  • a flow through the connection part 26 increases, in other words, a return flow
  • the limiter element 30 is shifted against the force of the limiter spring 31 in a direction towards the limiter valve seat 32 thus reducing the available flow area and increasing a flow resistance.
  • the flow into the manifold 1 can be limited.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Temperature-Responsive Valves (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)

Claims (15)

  1. Collecteur de système de chauffage/refroidissement (1) comprenant un manchon (2) ayant deux ouvertures (3, 4) dans une paroi, au moins un agencement (5) de pièces fonctionnelles à l'intérieur du manchon (2), et un moyen de fixation pour monter les pièces fonctionnelles sur le manchon (2), le moyen de fixation comprenant une première partie (7) et une seconde partie (8), et ayant une géométrie de raccordement (13) pour aligner la première partie (7) et la seconde partie (8) du moyen de fixation l'une par rapport à l'autre, caractérisé en ce que la géométrie de raccordement (13) est située à l'extérieur du manchon (2) et un espace entre la première partie (7) et la seconde partie (8) du moyen de fixation est située à l'intérieur du manchon (2).
  2. Collecteur selon la revendication 1, caractérisé en ce que la première partie (7) et la seconde partie (8) du moyen de fixation sont reliées l'une à l'autre à l'extérieur du manchon (2) au moyen d'un raccord à vis (9, 10).
  3. Collecteur selon la revendication 1 ou 2, caractérisé en ce que la première partie (7) et la seconde partie (8) du moyen de fixation sont montées sur le manchon (2) à partir des côtés opposés du manchon (2), une seule des parties (7, 8) comprenant un élément fonctionnel qui peut être actionné depuis l'extérieur du manchon (2).
  4. Collecteur selon la revendication 3, caractérisé en ce que l'élément fonctionnel est un élément soupape (14) guidé dans un boîtier (15) qui est monté sur la première partie (7).
  5. Collecteur selon la revendication 4, caractérisé en ce que la seconde partie (8) comprend un siège de soupape (23), l'élément soupape (14) pouvant être déplacé dans le siège de soupape (23).
  6. Collecteur selon la revendication 4 ou 5, caractérisé en ce qu'un ressort (21) agit sur l'élément soupape (14) dans le sens de l'ouverture, le ressort (21) s'appuyant sur la seconde partie (8).
  7. Collecteur selon la revendication 6, caractérisé en ce que l'élément soupape (14) comprend une tige creuse (19) et le ressort (21) est guidé dans la tige creuse (19) .
  8. Collecteur selon l'une quelconque des revendications 3 à 7, caractérisé en ce qu'un limiteur de débit est situé dans la seconde partie (8), le limiteur de débit comprenant un élément limiteur (30) et un ressort limiteur (31) agissant sur l'élément limiteur (30) dans le sens de l'ouverture.
  9. Collecteur selon la revendication 8, caractérisé en ce que le ressort limiteur (31) s'appuie sur l'élément soupape (14).
  10. Collecteur selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'au moins une des ouvertures (3, 4) a une forme non circulaire et le moyen de fixation fait saillie dans cette ouverture (3, 4) avec une géométrie adaptée à la forme non circulaire.
  11. Collecteur selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la géométrie de raccordement (13) forme un moyen d'alignement.
  12. Collecteur selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'une pièce de raccordement (26) est montée sur le moyen de fixation de manière inclinable.
  13. Collecteur selon la revendication 12, caractérisé en ce que la pièce de raccordement (26) comprend dans le moyen de fixation une tête (27) ayant au moins partiellement une forme sphérique.
  14. Collecteur selon la revendication 13, caractérisé en ce que la tête (27) est pourvue d'une bague d'étanchéité (28).
  15. Collecteur selon la revendication 13 ou 14, caractérisé en ce que la pièce de raccordement (26) est maintenue dans le moyen de fixation au moyen d'un élément de maintien (29) s'agrippant sous la tête (27) et étant inséré dans le moyen de fixation depuis l'extérieur.
EP22160651.0A 2022-03-08 2022-03-08 Collecteur de système de chauffage/refroidissement Active EP4242523B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP22160651.0A EP4242523B1 (fr) 2022-03-08 2022-03-08 Collecteur de système de chauffage/refroidissement
DK22160651.0T DK4242523T3 (da) 2022-03-08 2022-03-08 Varme-/kølesystem manifold
CN202310135065.6A CN116734502A (zh) 2022-03-08 2023-02-10 加热/冷却系统歧管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22160651.0A EP4242523B1 (fr) 2022-03-08 2022-03-08 Collecteur de système de chauffage/refroidissement

Publications (2)

Publication Number Publication Date
EP4242523A1 EP4242523A1 (fr) 2023-09-13
EP4242523B1 true EP4242523B1 (fr) 2024-01-10

Family

ID=80683762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22160651.0A Active EP4242523B1 (fr) 2022-03-08 2022-03-08 Collecteur de système de chauffage/refroidissement

Country Status (3)

Country Link
EP (1) EP4242523B1 (fr)
CN (1) CN116734502A (fr)
DK (1) DK4242523T3 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128857B1 (fr) * 1965-02-15 1976-08-21
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
DE102007010116B4 (de) * 2007-02-28 2010-08-26 AFRISO Euro-Index GmbH für Sicherungsarmaturen und Füllstandsmessung Warmwasserverteiler einer Fußbodenheizung sowie Verfahren zur Herstellung eines Verteilerrohrs des Warmwasserverteilers
DE202008010103U1 (de) * 2008-07-28 2009-12-10 Interforge Klee Gmbh Rohrverteiler
WO2011112515A2 (fr) * 2010-03-10 2011-09-15 Coast Pneumatics, Inc. Collecteur modulaire avec raccords de soupape à déconnexion rapide

Also Published As

Publication number Publication date
CN116734502A (zh) 2023-09-12
DK4242523T3 (da) 2024-03-11
EP4242523A1 (fr) 2023-09-13

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