EP1188991B1 - Vanne distributrice hydraulique pour système de production d'eau chaude de chauffage et d'eau chaude sanitaire - Google Patents

Vanne distributrice hydraulique pour système de production d'eau chaude de chauffage et d'eau chaude sanitaire Download PDF

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Publication number
EP1188991B1
EP1188991B1 EP01402349A EP01402349A EP1188991B1 EP 1188991 B1 EP1188991 B1 EP 1188991B1 EP 01402349 A EP01402349 A EP 01402349A EP 01402349 A EP01402349 A EP 01402349A EP 1188991 B1 EP1188991 B1 EP 1188991B1
Authority
EP
European Patent Office
Prior art keywords
valve
cold water
hydraulic
circuit
upstream
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.)
Expired - Lifetime
Application number
EP01402349A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1188991A1 (fr
Inventor
Jean-Yves Thomas
Philippe Varin
Pascal Pinel
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.)
Chaffoteaux et Maury SAS
Original Assignee
Chaffoteaux et Maury SAS
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Filing date
Publication date
Application filed by Chaffoteaux et Maury SAS filed Critical Chaffoteaux et Maury SAS
Publication of EP1188991A1 publication Critical patent/EP1188991A1/fr
Application granted granted Critical
Publication of EP1188991B1 publication Critical patent/EP1188991B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water

Definitions

  • the present invention relates to valves hydraulic distributors (V.D.H) used in hot water heating and water systems domestic hot water.
  • V.D.H valves hydraulic distributors
  • valve chambers hydraulic distributors are connected to the means of restriction of the cold water inlet pipe, which are responsible for developing the pressure difference, and upstream of these means, using pipes or conduits having of their means of connection and their means sealing.
  • the hydraulic distributor valve is one major elements of the heating production system. It therefore constitutes a connection node between the different circuits and elements, node from which the different circuits are linked according to the operating status of the production system heater.
  • connection and sealing means In particular, the connection between the sanitary circuits and heating, the exchanger and the circulator uses pipes, especially of copper or the like, and seals to connect all of these pieces.
  • the major drawback of this type of mounting between the valve and other elements of the production system of heating mainly lies in the fact that it is intrinsically leak generator (wear of seals, influence of vibrations which may generate a loosening of fasteners, coefficient of different thermal expansion between the various elements ).
  • the complexity of the connection means and their technology between the elements hamper the operations of assembly and / or disassembly, access to one of the elements may be conditioned by the location of another by example.
  • the present invention therefore aims to overcome the disadvantages by proposing a distributor valve hydraulic which simplifies the connections between the various elements constituting the heating production system in order to optimize its maintenance, to reduce costs.
  • the hydraulic distributor valve is characterized in that it comprises substantially a first and second body whose first ends are connected respectively when the heating circuit returns and when cold water inlet pipe and second ends are connected respectively to the hydraulic motor, driving the valve train between two opening seats and closing ports located within the valve and determining either the sanitary operating mode, or the heating operating mode, and to a system pressure difference generator comprising the means restriction, said system comprising an envelope provided on the one hand with at least two pressure taps connected respectively to the upstream and downstream chambers of the enclosure of the hydraulic motor and on the other hand, a outlet to the sanitary exchanger, the return of the domestic heat exchanger being positioned on a third body transverse to the first and second body and opening into said first body, this the latter being also provided with an outlet for the outlet of the heating circuit, the three bodies and the envelope of the generator system and the orifices having come from molding in one piece.
  • the second branch 8 breaks down in the way next :
  • a first bifurcation is carried out via a hot water outlet pipe 11 to a heat exchanger domestic heat 12 interposed between the cold water circuit 1 and the primary hot water circuit 5.
  • This domestic heat exchanger 12 allows transfer calories from the primary water circuit hot 5 passing through the main heat exchanger 3 to the domestic hot water circuit 13.
  • This circuit 13 comprises the cold water inlet pipe 1 which passes through restriction means 16, (the operation will be explained more in detail later in this description), and a hydraulic distributor valve 14 making it possible to select either the sanitary operating mode or the heating system operating mode production.
  • valve hydraulic 14 which is controlled by a hydraulic motor 15, itself controlled by the means of restriction 16, allows on the one hand to complete the circuit hydraulic from the primary hot water circuit 5 and on the other hand, to put in contact via the means of restriction 16, the sanitary inlet pipe 1 with the sanitary use circuit 13, after passing through the domestic heat exchanger 12.
  • the third branch 9 breaks down in the way next :
  • the primary heating circuit includes in series a circulator 10, or otherwise called accelerator or pump, as well as an expansion tank 19 responsible for absorbing the pressure variations due to changing parameters physico-chemical of the circulating fluid.
  • FIG 2 represents in particular the hydraulic distributor valve 14, the hydraulic motor 15 as well as the restriction means 16.
  • the hydraulic valve 14 constitutes one of the elements essentials of the hot water production system of heating and domestic hot water.
  • a material plastic such as in particular polymers, chosen in particular among the polyoxyphenylenes charged with 30% of glass fibers, to give it both lightness, robustness, it comes in the form of a monobloc product.
  • the polymer could also be chosen among polyamides, or mixtures of polymers.
  • the valve comprises substantially a first body 20 and a second body 21, in particular cylindrical, connected by a front wall from manufacturing.
  • Each of the bodies 20 and 21 has at their ends orifices, necessary for the times, at the connection of said valve to the lines of the domestic hot water and hot water production system heating and other elements complementary to installation.
  • the second body 21 is provided with an orifice allowing the user to perform add-ons water, this orifice that came from manufacturing with the rest of the body valve 14 has a quick connection means to pin.
  • first ends 22, 23 of the first and second body are respectively connected to the return of the heating circuit 18 and to the water inlet pipe cold 1 and second ends 24, 25 are connected respectively to the hydraulic motor 15, driving a train valve 26 between two seats 27, 28 opening and closing orifices located within valve 14 and determining either the sanitary operating mode, i.e. the heating operation and a generator system pressure difference 29 comprising the means of restriction 16.
  • the holes intended to be connected to fluid lines each have at least one shoulder 30 came from manufacturing by molding. These shoulders 30 constitute seats for an O-ring in particular, these cooperating at the level of cylindrical bearing surfaces coming from end piece connection (not shown in the figures).
  • These tips connection made by bar turning techniques or others have a cylindrical part substantially at diameter of the O-ring, on which is positioned a collar which delimits a groove with a second part cylindrical coaxial with the previous one and whose diameter roughly corresponds to the internal diameter of one of the shoulders of said orifices.
  • the groove made on the connection end piece, when the nozzle is fitted into the hole and sealing is obtained by the presence of the O-ring, is located opposite a channel 31 tangent to said orifice.
  • This channel allows the passage of a metal pin substantially ⁇ -shaped. The profile of this pin allows to axially lock the position of the nozzle in its orifice.
  • the second end 25 of the second body 21 cooperates with the pressure difference generating system 29.
  • This member 29 which is shown in detail in Figure 5 allows generate a pressure difference following flow domestic cold water.
  • the envelope 33 substantially cylindrical coming from manufacturing with the second body 21 and which extends in a substantially perpendicular direction relative to the plane containing the first 20 and second 21 body.
  • This envelope 33 makes it possible to connect said second body 21 with one of the orifices 34 for connection with the sanitary exchanger 12.
  • the casing 33 makes a sheath for the immobilization of the means of restriction 16.
  • Axial immobilization of the means of restriction 16 within the sheath delimited by the envelope 33 is obtained by a technique similar to immobilizing the tips of connection within their respective orifices, i.e. by a quick fixing system by pin 32.
  • the pressure difference generating system 29 shown in Figure 5 has at least one valve 35 in sight of a valve seat 36, at least one calibrated orifice 58 in the vicinity of the seat of the valve 36 making it possible to create in upstream of the valve 35 an overpressure which actuates the valve 35 which allows to limit the overpressure and to obtain the flow necessary, pressure taps 38, 39 taking place at level of the envelope 33 on either side of the seat of the valve 36, at least one flow rate limiting device 40 of water positioned upstream of said valve 35, at least one filter 41 ' positioned upstream of said flow limiting member 40.
  • This orifice makes it possible to create upstream of the valve 35 an overpressure which actuates the valve 35 which makes it possible to limit the overpressure and to obtain the required flow.
  • Downstream of the valve seat 36 is an area of less pressure which is taken up by a first stitching 39 substantially radial to the envelope 33.
  • a second stitching 38 adjoining the previous one and in relation to the annular zone surrounding the upstream valve 35 is produced on the body of the casing 33 and constitutes with the first tapping, the pressure taps necessary for the operation of the hydraulic motor 15.
  • the hydraulic distributor valve 14 has a return orifice 41 of the sanitary exchanger 12 which is positioned on a third transverse body 42 by compared to the first 20 and second 21 bodies.
  • This third body 42 in particular of circular cross section, came of manufacturing with the previous ones and leads into said first body 20, the latter also being provided with a orifice 43 for the output of the heating circuit.
  • This orifice 43 forms a nozzle which can be connected to the pipe correspondent for the sanitary water production system and heating by a quick connection system with a pin.
  • the orifices 34, 41 connected to the sanitary exchanger 12 have a range allowing immobilization of joints 57 self-centering and self-sealing.
  • FIG. 3 we distinguishes the interior of the first body 20 of the valve 14 at within which a valve train 26 of which one of ends is fixed to a movable double-contact valve 44 between two valve seats 27, 28, the other end being connected to the hydraulic motor 15.
  • a valve train 26 of which one of ends is fixed to a movable double-contact valve 44 between two valve seats 27, 28, the other end being connected to the hydraulic motor 15.
  • this makes it possible to open and close orifices located within valve 14 and determine either the mode of sanitary operation, i.e. the operating mode heater.
  • valve train 26 closes the valve seat 27 in relation to the return circuit heating hot water and puts in thermal contact, thanks to 28, the primary hot water circuit 5, thanks to the exchanger sanitary 12, with sanitary circuit 13.
  • the valve train 26 also makes it possible to delimit in the valve 14 two zones: a zone without water (part upper of the valve connected to the hydraulic motor 15) and a water zone (lower zone of the valve 14 comprising the first ends 22, 23 of the first 20 and second 21 body).
  • a sealing and protection device is interposed of axis 46, comprising at least one sleeve 45 mounted coaxially relative to the valve train 26.
  • the shaft sealing and protection device 46 is complemented by the presence of a plurality of organs seals, such as in particular O-rings 60, cable glands 61 around the axis of the valve train 26, which allow the upper part of valve 14.
  • organs seals such as in particular O-rings 60, cable glands 61 around the axis of the valve train 26, which allow the upper part of valve 14.
  • the hydraulic motor shown in section on the Figure 3 and in perspective in Figure 4 includes a enclosure 47 divided, by a membrane 48, into a chamber upstream 49 and a downstream chamber 50, the upstream chamber 49 being subject to pressure in the inlet line cold water 1, upstream of restriction means 16 positioned in the provocative cold water circuit, when cold water passage, a pressure difference in the inlet pipe, and the downstream chamber 50 being in fluid communication with the restriction means 16 to be subjected to the pressure prevailing in the pipe cold water inlet 1, downstream of said means 16, said membrane 48 being movable under the effect of the difference of pressure existing between said chambers 49, 50 upstream and downstream and, the displacement of the membrane 48 being transmitted to the axis 51 of the valve 14 then to the valve train 26.
  • the hydraulic motor 15 comprises on the one hand, a connection ferrule 52 to the first body 20 and on the other hand, the enclosure 47 whose upstream chamber 49 is connected to the generator system pressure difference 29 thanks to a pipe 53 coming from manufacturing with the upstream chamber 49, this pipe 53 crossing the downstream chamber 50 in an area located periphery of said membrane 48.
  • the pipe 53 connected to the upstream chamber 49 cooperates with the pressure tap 38 made at the system level pressure difference generator 29 and more particularly still in the high pressure area restriction means 16 when the ferrule 52 of the engine hydraulic 15 is mounted on valve 14.
  • a pipe 54 coming from manufacturing with the chamber downstream 50 communicates with the pressure tap 39 known as low pressure produced in the generator system 29, and more precisely at a level downstream of the valve 35.
  • the axis 51 of the valve train 26 is parallel to the axes of the taps pressure 38, 39 of the difference generating system pressure 29, when the hydraulic motor is mounted, by via the connection ring 52, on the body of valve 14, using a quick mounting system to pin.
  • Connection ferrule 52 came from manufacturing with enclosure 47 and is made by a technique of molding of a plastic material, similar to that used for the manufacture of valve 14. This ferrule 52 is provided with an opening 55 allowing the passage of a sensor 56 for detecting the travel and / or the position of the train valve 26 within the first body 20. This sensor 56 detects the movement of a projecting part positioned at the end of the valve train 26 and below the part axis connected to the membrane 48.

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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)
  • Multiple-Way Valves (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Details Of Valves (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP01402349A 2000-09-14 2001-09-12 Vanne distributrice hydraulique pour système de production d'eau chaude de chauffage et d'eau chaude sanitaire Expired - Lifetime EP1188991B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0011720A FR2813950B1 (fr) 2000-09-14 2000-09-14 Vanne distributrice hydraulique pour systeme de production d'eau chaude de chauffage et d'eau chaude sanitaire
FR0011720 2000-09-14

Publications (2)

Publication Number Publication Date
EP1188991A1 EP1188991A1 (fr) 2002-03-20
EP1188991B1 true EP1188991B1 (fr) 2004-04-07

Family

ID=8854294

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01402349A Expired - Lifetime EP1188991B1 (fr) 2000-09-14 2001-09-12 Vanne distributrice hydraulique pour système de production d'eau chaude de chauffage et d'eau chaude sanitaire

Country Status (6)

Country Link
EP (1) EP1188991B1 (es)
AT (1) ATE263947T1 (es)
DE (1) DE60102637D1 (es)
ES (1) ES2218349T3 (es)
FR (1) FR2813950B1 (es)
PT (1) PT1188991E (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1884720B1 (de) * 2006-07-28 2016-01-13 Grundfos Management A/S Baueinheit für eine Kompaktheizungsanlage
ITBO20080456A1 (it) * 2008-07-21 2010-01-22 O T M A S N C Di Spaggiari & C Gruppo idraulico valvolare per caldaie murali
KR101639188B1 (ko) * 2014-11-19 2016-07-13 주식회사 경동나비엔 수배관 관로 일체형 체크밸브를 구비한 보일러
IT201900000472A1 (it) * 2019-01-11 2020-07-11 O T M A S N C Di Spaggiari E C Assieme idraulico per un impianto combinato per il riscaldamento di ambienti e per la produzione di acqua calda sanitaria e caldaia murale provvista di tale assieme

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1244296B (it) * 1990-07-09 1994-07-08 Giuseppe Fugazza Complesso valvolare per impianti di riscaldamento
IT1284431B1 (it) * 1996-03-22 1998-05-21 Fugas Srl Gruppo idraulico con pompa integrata per impianti misti di riscaldamento e acqua sanitaria
IT1299650B1 (it) * 1998-03-24 2000-03-24 Michele Rossignoli Valvola deviatrice idropressostatica a commutazione comandata trasversalmente
EP0981031A3 (en) * 1998-08-18 2002-07-31 ALCO Corporation of Namdong Industrial Area 156BL/10LT Heating water flow circulation and instantaneous hot sanitary water supply apparatus in a combi-boiler

Also Published As

Publication number Publication date
PT1188991E (pt) 2004-08-31
EP1188991A1 (fr) 2002-03-20
ES2218349T3 (es) 2004-11-16
FR2813950A1 (fr) 2002-03-15
DE60102637D1 (de) 2004-05-13
ATE263947T1 (de) 2004-04-15
FR2813950B1 (fr) 2002-11-15

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