EP0918197B1 - Ensemble pour installation de chauffage compact - Google Patents

Ensemble pour installation de chauffage compact Download PDF

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Publication number
EP0918197B1
EP0918197B1 EP98121981A EP98121981A EP0918197B1 EP 0918197 B1 EP0918197 B1 EP 0918197B1 EP 98121981 A EP98121981 A EP 98121981A EP 98121981 A EP98121981 A EP 98121981A EP 0918197 B1 EP0918197 B1 EP 0918197B1
Authority
EP
European Patent Office
Prior art keywords
housing
pump
assembly according
chamber
connection housing
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
EP98121981A
Other languages
German (de)
English (en)
Other versions
EP0918197A2 (fr
EP0918197A3 (fr
EP0918197B2 (fr
Inventor
Niels Due Jensen
Finn Hoj
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.)
Grundfos AS
Original Assignee
Grundfos AS
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Filing date
Publication date
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Application filed by Grundfos AS filed Critical Grundfos AS
Publication of EP0918197A2 publication Critical patent/EP0918197A2/fr
Publication of EP0918197A3 publication Critical patent/EP0918197A3/fr
Publication of EP0918197B1 publication Critical patent/EP0918197B1/fr
Application granted granted Critical
Publication of EP0918197B2 publication Critical patent/EP0918197B2/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
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
    • 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
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F24H9/142—Connecting hydraulic components

Definitions

  • Building units of this kind are increasingly being used today in compact heating systems, especially installed in gas water heaters or heating units. They include beside the centrifugal pump unit usually other components, such as Air separator, safety valve, changeover valve or the like. They are called Assembly, d. H. designed as a mounting and mounting unit, so that a simple and space-saving arrangement is ensured within the heating system. In addition, such a unit assembly and maintenance, since Accessibility to the otherwise tight installation space only at a few central points must be guaranteed and the rest in case of repair, the unit completely replaced and factory or elsewhere overhauled by the specialist and a reuse can be supplied.
  • Such a structural unit is known, for example, from EP 0 460 399 A2.
  • the two heating circuits includes, one for water heating and one for space heating, both through a common gas-heated primary heat exchanger be supplied with heat. Since the assembly for assembly in the flow of the Primary heat exchanger is provided, it has a suction nozzle and two Discharge nozzles connected to the two heating circuits. Further points this known assembly on an air separator on a return flow chamber is connected, through which the return lines of the heating circuits through the assembly are guided.
  • a switchover between the Pump output and the two discharge ports provided, depending on the Direction of rotation of the impeller is controlled automatically, depending on the control to apply one or the other heating circuit.
  • Another such assembly is from the document EP-A-0 394 140 is known.
  • the present invention is based on the object a generic unit designed constructively so that the aforementioned Requirements met, but at least a significant improvement over achieved in the prior art.
  • the terminal housing with a central Chamber to provide, in the mouth of the pump opens, in which the Switching element is arranged and in the two acted upon by the switching element Suction open, with an air separator in the upper part of the chamber is provided or connected.
  • This arrangement requires a comparatively large central chamber, which connects directly to the pump housing and
  • the switching function and the ventilation function includes. Since the chamber, the two suction nozzle and this acted upon Includes switching device, no separate piping between Switching device and pump required, as is the case in the prior art.
  • the connection housing can be flanged directly to the pump housing be, with the central chamber communicating with the suction mouth of the Pump is connected, which opens into it.
  • the assembly according to the invention is particularly compact. This is because the chamber is a substantially cylindrical Having shape and in alignment with the pump housing substantially coaxially is arranged so that the terminal housing, at least as far as the Area of the chamber, essentially within the outer contour of the Pump housing is located and thus uses space, not in practice anyway would be usable elsewhere.
  • the pump housing with only one substantially tangential outgoing discharge nozzle and in the other one to the connection housing directed suction mouth is provided, integrally form as an injection molded part. It Manufacturing technology is also possible, pump housing and connection housing in one piece as an injection molded part. However, it is particularly advantageous that Pump housing two-piece and the terminal housing substantially in one piece form, since then a production of these components by injection molding without lost cores and with simple tools is possible, whereby the manufacturing costs, considerably reduced especially in mass articles of this kind can be. In spite of the structurally simple construction high efficiency To reach, it is expedient, a comparatively large impeller into the pump housing.
  • connection housing cost-effectively without lost cores
  • the invention which is located in the chamber
  • This separate production of the internal parts of the connection piece also has the advantage that the lying in the chamber sealing surfaces this nozzle, which are acted upon by the switching element, before the firm connection separately processed with the terminal housing, coated or at least can be targeted.
  • the switching element preferably consists of a sealing element located on a lever, which passes tightly through the chamber wall and outside the Chamber by an actuator, such as an electric motor, can be acted upon.
  • an actuator such as an electric motor
  • the sealing body of the switching element either the opening into the chamber Close the end of one or the other suction port. That's why it is structurally particularly favorable, the suction nozzle opposite and transverse to To arrange impeller of the pump within the connection housing.
  • connection housing on its side facing away from the pump housing with a another component, namely to provide an adapter housing.
  • This adapter housing can serve, for example, by the motor housing, pump housing and terminal housing formed assembly of heating systems different Type, d. H. to adapt to different manufacturers, so that only the adapter housing manufacturer-specific form, but not the entire Unit.
  • suction and if necessary, further auxiliary nozzles are led out on the end face directed towards the adapter housing so that there is no additional piping in this area can.
  • the adapter housing not only for adaptation the manufacturer-specific connections of the heating system is used, but about it in addition to the attachment of the entire unit within the heating system can be used.
  • the adapter housing Provide fasteners.
  • additional components or connections such as dirt separators, Manometer, bypass connections or the like may be provided. It goes without saying that these connections can possibly also be provided on the connection housing, if that should be appropriate.
  • the terminal housing also mounting base for other components located within the heating system form, in particular for the plate heat exchanger usually located there, which the heat transfer between heating circuit and hot water circuit guaranteed. The arrangement of this heat exchanger near the unit is particularly useful because this heat exchanger has at least four pipe connections which are to be cased and thus at least partially by the Adapter housing can be formed.
  • the unit shown with reference to FIGS 1 to 7 is substantially by a motor housing 1, a pump housing 2, a terminal housing 3 and a Adapter housing 4 with the therein or on it individual components educated.
  • the motor housing 1 Within the motor housing 1 is in known manner an electric motor arranged on the motor housing 1, the usual terminal box is still flanged.
  • the electric motor drives a centrifugal wheel inside the pump housing 2 is running.
  • the pump housing 2 is releasably secured to the motor housing 1, it has a substantially cylindrical pump chamber, to which approximately tangential a line connects, which projecting into a laterally on the pump housing 2 Discharge nozzle 5 opens.
  • connection housing. 3 formed open and covered by an annular plate 6, the form-fitting incorporated between the pump housing 2 and the terminal housing 3 is.
  • the central opening 7 of the plate 6 forms the suction mouth of the pump or the suction opening of the pump housing.
  • connection housing 3 is on the pump housing 2 flanged and fixed by screw, tight and releasably connected to the pump and thus the motor housing 2, 1.
  • connection housing 3 The construction of the connection housing 3 can be seen with reference to FIGS.
  • the to Pump housing 2 towards open chamber 8 is on the adapter housing 4 out facing side completed by an end wall 9.
  • three passages are provided, two of which are based on the Impeller axis lie approximately at the same height and designed as suction nozzle 10 and 11 are, with the suction nozzle 10 for the space heating supplying Heating circuit and the suction nozzle 11 for the hot water heating circuit is provided.
  • the third intermediate opening is as a connecting piece 12 formed and used to connect a safety valve.
  • the cylindrical part of the terminal housing 3 has at its top a Pipe section 18, which protrudes into the chamber 8 a piece, a closed Has bottom and communicating via a side opening with the Chamber 8 is connected.
  • the pipe section is open and used a not shown and well known in the heating technology Enlshareers (Air separator) provided.
  • the adapter housing 4 connects, the is comparatively flat and the motor housing 1, pump housing 2 and Terminal housing 3 block formed laterally and down clearly surmounted.
  • the adapter housing is over laterally on the terminal housing 3 projecting ferrules 19 connected to the terminal housing 3 by screws. How out Fig. 1 and 2 can be seen, the connecting piece 10 to 12 of the terminal housing 3 tightly integrated into corresponding connection openings of the adapter housing 4, so that the connection of the unit, once from the connection of the pressure port 5, exclusively on the adapter housing 4 takes place. Because the Component arrangement within a heating boiler at almost all manufacturers basically the same, only distances of the connections and dimensions differ, by variation of only the adapter housing 4, the unit manufacturer specific be adapted without these other parts 1, 2 and 3 vary to have to.
  • the adapter housing 4 for example, a dirt separator 20 provided and an external safety valve 21. Furthermore, the adapter housing 4 downwardly projecting bolts 22, with which the adapter housing 4 and thus the entire unit within the heating system a cover plate 23 shown in FIG. 2 can be fastened. Furthermore, the Adapter housing laterally a mounting base 24 for a plate heat exchanger 25th on.
  • the function of the above-described unit results in particular from the Figures 1 to 3.
  • the discharge nozzle 5 is connected via a line 26 to the boiler (Primary heat exchanger) 27 connected to the heating system.
  • the boiler 27 feeds each according to the switching position of the sealing body 16, either the space heating certain heating circuit 28 or the intended for hot water Heating circuit 29, which includes the plate heat exchanger 25, the hot water connections marked with 30 and 31.
  • a bypass line 32nd provided within the adapter housing 4 in a spring-loaded Valve opens.
  • the above-described assembly is shown in Fig. 3 by the 33rd labeled rectangle symbolizes each point in this graph represents a line connection. This graph in conjunction with FIG.
  • FIG. 2 shows quite clearly how far it has been achieved by the unit according to the invention, almost all line connections in the unit or in their immediate To integrate proximity.
  • the adapter housing 3 opens the Coming from the plate heat exchanger 25 return line 24 directly.
  • the Return line 35 of the heating circuit 28 opens below the terminal housing. 3 on the not visible in Fig. 2 side of the adapter housing 4 (see Fig. 1).
  • a terminal 36 to Connection with a surge tank 37 and possibly another Connection for a pressure gauge 38 is provided at the top of the adapter housing 4 .
  • the structural unit according to FIG. 8 differs from the one described above in that that it is not provided for connection to the adapter housing 4.
  • the inside Parts of the suction nozzles 10a and 11a are therefore as straight pipe sections formed, however, have the same function within the chamber 8 as the Pipe elbow 13.
  • the suction nozzle 10a and 11a are arranged laterally opposite transversely to the impeller axis, are the further connection piece 12a, etc., all in a plane transverse to the impeller axis, with the exception of the pressure port 5.

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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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cookers (AREA)

Claims (11)

  1. Module pour une installation de chauffage compacte, en particulier pour une source thermique à gaz avec deux circuits (28, 29) de chauffage, un pour le chauffage des locaux (28) et un pour la préparation de l'eau chaude (29), avec
    un groupe pompe centrifuge avec :
    un carter de moteur (1) et
    un carter de pompe (2), qui présente une tubulure de pression (5) et un orifice d'aspiration (7),
    où l'installation de chauffage compacte présente un autre carter de raccordement (3) faisant suite au carter de pompe avec :
    un séparateur d'air,
    un organe de commutation (15, 16) pour l'alimentation de l'un ou de l'autre des circuits de chauffage,
    et au moins deux tubulures d'aspiration (10, 11),
       dans lequel
    le carter de raccordement (3) présente une chambre (8) centrale,
    où débouche l'orifice d'aspiration (7) de la pompe,
    où est disposé l'organe de commutation (15, 16) et
    où débouchent les deux tubulures d'aspiration (10, 11) pouvant être sollicitées par l'organe de commutation (15, 16),
    un séparateur d'air étant prévu ou raccordé dans la zone supérieure de la chambre,
       caractérisé en ce que
    un moteur électrique (17) commandant l'organe de commutation (15, 16) est disposé sur le côté du carter de raccordement (3).
  2. Module selon la revendication 1, caractérisé en ce que la chambre (8) du carter de raccordement (3) présente une forme sensiblement cylindrique et est disposée en alignement avec le carter de pompe (2), de préférence sur le même axe.
  3. Module selon l'une des revendications précédentes, caractérisé en ce que le carter de pompe (2) est intégré en tant que composant de forme sensiblement annulaire entre le carter de moteur (1) et le carter de raccordement (3), l'espace de pompe étant séparé de la chambre (8) du carter de raccordement (3) par une plaque (6) de forme annulaire intégrée par complémentarité de forme.
  4. Module selon l'une des revendications précédentes, caractérisé en ce que les parties (13), des tubulures d'aspiration (10, 11), se trouvant dans la chambre (8), sont insérées dans celle-ci et sont reliées avec elle de préférence par adhésion de matière.
  5. Module selon l'une des revendications précédentes, caractérisé en ce que le carter de raccordement (3a) présente deux tubulures d'aspiration (10a, 11a) disposées l'une en face de l'autre, sensiblement transversalement à l'axe du rotor de la pompe.
  6. Module selon l'une des revendications précédentes, caractérisé en ce que le carter de raccordement (3) présente deux tubulures d'aspiration (10, 11) disposées l'une à côté de l'autre côté avant, qui sont réalisées à l'intérieur de la chambre (8) sous forme de tuyau coudé (13).
  7. Module selon l'une des revendications précédentes, caractérisé en ce qu'un carter d'adaptateur (4), avec lequel le module (33) peut être fixé à l'intérieur de la station de chauffage et peut être adapté à ses branchements de tube, fait suite côté avant au carter de raccordement (3).
  8. Module selon l'une des revendications précédentes, caractérisé en ce que d'autres branchements (36) pour une dérivation, pour un appareil de mesure de pression (38), pour une vanne de surpression (21) ou similaires sont prévus sur le carter de raccordement (3) ou sur le carter d'adaptateur (4).
  9. Module selon l'une des revendications précédentes, caractérisé en ce qu'un séparateur de poussière (20) est prévu sur le carter d'adaptateur (4).
  10. Module selon l'une des revendications précédentes, caractérisé en ce que le carter de pompe (2), éventuellement la plaque (6) de forme annulaire, le carter de raccordement (3/3a) et éventuellement le carter d'adaptateur (4) sont réalisés sous forme de pièces moulées par injection en matière plastique fabriquées sans noyau perdu.
  11. Module selon l'une des revendications précédentes, caractérisé en ce que le carter d'adaptateur (3) forme une base de montage (24) pour un échangeur de chaleur à plaques (25) de l'installation de chauffage.
EP98121981.9A 1997-11-21 1998-11-19 Ensemble pour installation de chauffage compact Expired - Lifetime EP0918197B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751515 1997-11-21
DE19751515A DE19751515C2 (de) 1997-11-21 1997-11-21 Baueinheit für eine Kompaktheizungsanlage

Publications (4)

Publication Number Publication Date
EP0918197A2 EP0918197A2 (fr) 1999-05-26
EP0918197A3 EP0918197A3 (fr) 2001-05-16
EP0918197B1 true EP0918197B1 (fr) 2005-10-26
EP0918197B2 EP0918197B2 (fr) 2014-05-07

Family

ID=7849358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121981.9A Expired - Lifetime EP0918197B2 (fr) 1997-11-21 1998-11-19 Ensemble pour installation de chauffage compact

Country Status (2)

Country Link
EP (1) EP0918197B2 (fr)
DE (2) DE19751515C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2397777A1 (fr) 2010-06-19 2011-12-21 Grundfos Management A/S Unité de boîtier pour une installation de chauffage

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19912284B4 (de) * 1999-03-18 2012-10-18 Grundfos A/S Kompaktheizungsanlage
DE10007873C1 (de) * 2000-02-21 2001-06-28 Grundfos As Baueinheit für eine Kompaktheizungsanlage
DE10007924A1 (de) * 2000-02-21 2001-08-23 Wilo Gmbh Anschlußvorrichtung für eine Heizungspumpe
ITBO20010493A1 (it) * 2001-07-30 2003-01-30 O T M A S N C Di Spaggiari & N Collettorizzazione ambidestra per circuito idraulico di caldaie murali
DE50309957D1 (de) * 2003-11-03 2008-07-17 Grundfos As Baueinheit für eine Kompaktheizungsanlage
ATE555349T1 (de) * 2003-11-03 2012-05-15 Grundfos As Baueinheit für eine kompaktheizungsanlage
DE502006001403D1 (de) * 2006-07-28 2008-10-02 Grundfos Management As Baueinheit
EP2708825B1 (fr) 2012-09-12 2016-12-07 Grundfos Holding A/S Procédé de commande d'une pompe de recirculation dans une installation avec au moins deux circuits
DE202019101030U1 (de) 2019-02-22 2019-04-03 Sinusverteiler Gmbh Baueinheit für eine Heizungsanlage und Heizungsanlage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646212B1 (fr) * 1989-04-21 1994-04-15 Icf Appareil de circulation et de distribution de fluide
AT393316B (de) † 1989-10-04 1991-09-25 Vaillant Gmbh Verfahren zum steuern des durchlaufbetriebes bei brauchwasserzapfung an einem wandheizgeraet und vorrichtung zur durchfuehrung des verfahrens
DE59102700D1 (de) * 1990-05-04 1994-10-06 Grundfos Int Kreiselpumpe und damit ausgestattete Gastherme.
DE19717799C5 (de) † 1997-04-26 2007-02-08 Grundfos A/S Baueinheit für eine Kompaktheizungsanlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2397777A1 (fr) 2010-06-19 2011-12-21 Grundfos Management A/S Unité de boîtier pour une installation de chauffage

Also Published As

Publication number Publication date
DE19751515A1 (de) 1999-06-10
EP0918197A2 (fr) 1999-05-26
DE19751515C2 (de) 1999-12-02
EP0918197A3 (fr) 2001-05-16
EP0918197B2 (fr) 2014-05-07
DE59813138D1 (de) 2005-12-01

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