EP1884723B1 - Module - Google Patents

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Publication number
EP1884723B1
EP1884723B1 EP06015792A EP06015792A EP1884723B1 EP 1884723 B1 EP1884723 B1 EP 1884723B1 EP 06015792 A EP06015792 A EP 06015792A EP 06015792 A EP06015792 A EP 06015792A EP 1884723 B1 EP1884723 B1 EP 1884723B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
housing
housing components
construction unit
unit 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.)
Not-in-force
Application number
EP06015792A
Other languages
German (de)
English (en)
Other versions
EP1884723A1 (fr
Inventor
Olav Jensen
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 Management AS
Original Assignee
Grundfos Management 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 Grundfos Management AS filed Critical Grundfos Management AS
Priority to DE502006001403T priority Critical patent/DE502006001403D1/de
Priority to AT06015792T priority patent/ATE405801T1/de
Priority to EP06015792A priority patent/EP1884723B1/fr
Priority to CN2007101371564A priority patent/CN101113824B/zh
Publication of EP1884723A1 publication Critical patent/EP1884723A1/fr
Application granted granted Critical
Publication of EP1884723B1 publication Critical patent/EP1884723B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24H9/00—Details
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F24H9/142—Connecting hydraulic components
    • 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
    • F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water

Definitions

  • the invention relates to a structural unit for a heating system with two heating circuits according to the features indicated in the preamble of claim 1.
  • Such units are state of the art and are typically used in so-called gas heaters, which are intended for wall mounting, but also in stationary units.
  • These compact devices have a primary heat exchanger in which circulated water is heated, which is supplied either to a heating circuit provided for space heating or a heat exchanger, typically a plate heat exchanger, via which the domestic water heating takes place.
  • the assembly typically includes a plurality of housing components made of plastic, at least one pump unit, a heat exchanger for domestic water heating and largely all other electrical, mechanical and / or hydraulic components as far as they can be meaningfully combined in the unit. These are typically filters, dirt-air separators, switching valves, throttle valves, temperature and pressure sensors and the like.
  • EP 1 528 330 A1 Such a unit in which connect three housing components with inclusion of the pump unit together and are back connected by the heat exchanger, is off EP 1 528 330 A1 known.
  • This unit is highly integrated and consists essentially of three housing components, namely a central pump housing component and two laterally adjacent fitting housing components.
  • the invention has the object, a generic unit in such a way that the best possible material adaptation to the liquids guided therein and their pressures on the one hand and cost-effective production on the other hand are guaranteed.
  • the assembly according to the invention which is provided for a heating system with two heating circuits, one for space heating and one for hot water, has at least one housing made of plastic housing component, a pump unit and a heat exchanger for domestic water heating and other electrical, mechanical and / or hydraulic Components on.
  • the assembly is designed so that four housing components are provided, each forming a cable routing to the heat exchanger.
  • the wiring for the heating water that is also through the primary heat exchanger and through the radiator flows for the space heating, preferably made of a plastic or provided with a coating having a particularly hard surface, so that on the one hand entrained with the conveying liquid particles can exert no abrasive influence on the conduit wall, on the other hand also form deposits in this area.
  • the housing components that connect to the heat exchanger and run the cold or heated hot water can be materially designed by the inventive design so that they are insensitive to water in the optional additives such as chlorine, fluorine and the like and beyond no substances who could get into the drinking water with it.
  • housing components are basically initially increased compared to the prior art by the inventive solution, but can be achieved by skillful construction, as shown below, the resulting additional manufacturing costs by a cost-effective production of the individual housing components, eg. B. without lost cores and complex tools can be compensated.
  • At least two housing components made of different plastics, wherein the arrangement of the different plastics is chosen so that at least the heating water and the service water are guided in different plastic lines.
  • the housing components can be manufactured according to the fluids carried therein and the special requirements arising therefrom.
  • the housing components, which form the wiring for the hot and cold water consist of different plastics, so as to take into account the different requirements.
  • the housing component for the hot service water Be particularly easily interchangeable designed to quickly and easily replace, for example, in areas with very limy water this typically calcifying component or to provide such available, in which by choosing the material of the housing component deposits of this kind are avoided if possible completely ,
  • At least two housing components are formed into an injection molded part made of different plastics, be it that they are injection-molded in a tool of different plastics or what can also be provided according to a development of the invention that two housing components are assembled so that they almost like a housing component are manageable.
  • the housing components are assembled to form a common component, they can be connected to one another in a simple manner by a latching or snap connection, so that likewise only one component is to be handled.
  • the housing components are combined to form a component, which are assigned to a terminal pair of the heat exchanger.
  • plate heat exchangers which have a substantially elongated rectangular shape, wherein on the narrow sides in each case a connection pair is provided, of which in installation position of the upper connection is assigned to the heating circuit and the lower connection to the hot water circuit. Therefore, it is only due to the spatial arrangement to unite the Gehöusebaumaschine, which are assigned to one or the other connection pair of the heat exchanger.
  • These are advantageously form-fitting formed interlocking, so that at the latest with the connection of the heat exchanger they are immovably united.
  • the paired interlocking or shaped housing components are arranged so that the subsequent mounting position in the upper terminals of the heat exchanger housing components are formed outwardly such that they laterally surround the adjoining the lower connections of the heat exchanger housing components.
  • This arrangement is particularly favorable, since it is achieved with this construction, that all housing components and substantially completely accessible from the front, so that not only a particularly compact and flat construction of the unit is ensured, but also the accessibility of the integrated components, what especially for maintenance and repair is beneficial.
  • the housing components in the installed position from the front accessible plug-in housing wherein the mating interlocking or molded plug-in housing are arranged so that the plug-in housing in installation position next to each other, ie without removing the housing components, are accessible from the front.
  • the housing components adjoining in the installed position to the upper terminals of the heat exchanger are outwardly offset, then it is inversely appropriate to at least partially align the housing components adjacent to the lower connections of the heat exchanger to the associated connection opening, since these housing components then be compact and tool technology can be easily formed. In addition, this arrangement results in a particularly compact and space-saving structural unit.
  • plug-in housings of the housing components adjoining the upper connections of the heat exchanger essentially next to the plug-in housings of the housing components adjoining the lower connections of the heat exchanger
  • plug-in housings of the housing components adjoining the upper connections of the heat exchanger to be laterally spaced from the heat exchanger Arranging connections and line connecting over these transversely to the longitudinal axis of the plug-in housing channels with these.
  • These channels make it possible for the space in front of the connection pairs of the heat exchanger to be used essentially by the housing components adjoining the lower connections, in particular also slide-in housings or other components, whereas the housing components adjoining the upper connections of the heat exchanger are moved to the outside as it were.
  • Fig. 1 shown heating system has a first heating circuit in which is heated by means of a primary heat exchanger 1 by means of a burner 2 in circulation guided water.
  • the water is supplied by means of a circulation pump 3 through the primary heat exchanger 1 and subsequently to a 3/3-way valve, from which it is optionally supplied via a check valve connected overflow 5 or a heat exchanger 6 in the form of a plate heat exchanger or the radiators 7 of the space heater.
  • a check valve connected overflow 5 or a heat exchanger 6 in the form of a plate heat exchanger or the radiators 7 of the space heater Through the overflow 5, a return to the circulation pump 3 and thus to the primary heat exchanger 1 is carried out over a short path. This switching position is used for rapid heating of the water circulated there.
  • the heated water in the primary heat exchanger 1 is supplied to the plate heat exchanger 6, in which it heated hot water in countercurrent, which comes from a service water pipe 8 and heated by a heat water pipe 9 leaves the heat exchanger 6.
  • the guided through the heat exchanger 6 heating water passes through a return line 10 back to the circulation pump 3 and thus to the primary heat exchanger 1.
  • the heated water in the primary heat exchanger 1 is supplied to the radiators 7 of the space heater 7 and then turn on a return line 11 to the circulation pump 3 and back to the primary heat exchanger. 1
  • FIG. 1 How out Fig. 1 it can be seen, the components 3 to 6 and 10 and other, not shown in detail in the figure components in one Assembly 12 arranged in Fig. 1 is shown by the 12 numbered rectangular frame.
  • Such a unit 12 is based on Fig. 2 shown.
  • the assembly 12 has a central pump housing component 13, which receives the impeller of the circulation pump 3 and the suction side has an air separator, the quick exhaust fan 14 in Fig. 2 is recognizable.
  • the pump housing component 13 is located at a distance in front of the plate heat exchanger 6 and has a mounting in upwardly directed discharge nozzle 15, which is provided for line connection to the primary heat exchanger 1.
  • the pump housing component 13 carries the front side of the electric motor 16 of the pump, the terminal box 17 of the motor 16 is arranged here on the electric motor 16 and receives all the control electronics.
  • Right and left accordinging to FIG.
  • fitting housing 18 and 19 each consisting of two housing components 20 and 21 or 22 and 23.
  • housing components 20 - 23 are based on the Fig. 3 and 4 shown in detail, these are plastic injection molded parts, which connect to the terminal pairs of the plate heat exchanger 6.
  • the housing components 20 and 22 close the back to the in Fig. 4 visible upper terminals of the pairs of terminals 24 and 25 of the plate heat exchanger 6 and are intended for the routing of running through the primary heat exchanger 1 heating water, ie the water passing through the primary heat exchanger 1 and then optionally through the overflow 5, the plate heat exchanger 6 or the radiator. 7 flows.
  • These housing components 20 and 22 are therefore made of a plastic, recordable as polyphenylene sulfide, which particularly takes into account the requirements of these recirculated heat transfer fluid.
  • At the lower connection of the connection pair 25 closes the housing member 23, which leads only cold hot water. The hot water heated in the plate heat exchanger 6 exits via the lower connection of the connection pair 24, to which the housing component 21 adjoins.
  • the housing components 21 and 23 are optimized with regard to choice of material, in particular with regard to the process water, and consist for example of polyamide, wherein the housing member 21 is adapted to the particular requirements of the heated service water, ie is equipped in particular with regard to limescale and / or antibacterial contains additional active ingredient.
  • the housing components 20 to 23 are all manufactured as injection molded plastic parts and can be manufactured with comparatively simple tools. According to the connection pairs 24 and 25, the housing components 20 and 21 and the housing components 22 and 23 are positively connected by a snap connection not shown in detail in the drawings, so that the fitting housing 18 and 19 after assembly of the housing components 20 and 21 and 22nd and 23 are each handled as a component and each can be fixed together by means of a screw 26 on the plate heat exchanger 6.
  • the assembly thus formed has four outgoing in the installed position down, namely a port 27 on the housing member 20, which forms the flow connection for the radiator 7, a port 28 on the housing member 21, which forms the connection for the heated service water, a port 29th on the housing component 23, which is provided for connection of the (cold) hot water line 8 and a connection 30 on the housing component 22, which forms the return connection for the radiator 7.
  • the housing component 20 also has an upwardly pointing connection piece 31, which is provided for connection to the outlet of the primary heat exchanger 1.
  • This connection piece 31 opens inside the housing component 20 in a plug-in housing 32, which has a substantially cylindrical shape and accommodates the valve 4.
  • the plug-in housing 32 opens in installation position (according to FIG. 2 ) on the right side of the overflow 5, which connects to the suction side of the pump housing component 1 not shown in detail.
  • the plug-in housing 32 is connected via a transverse channel 23 to the connection in the installed position to the right for the plate heat exchanger 6.
  • the housing member 22 is constructed, which has a likewise accessible from the front cylindrical plug-in housing 34, to which a channel 35 connects, which also extends transversely thereto and leads to the left side offset there connection to the plate heat exchanger 6.
  • the housing components 20 and 22, in particular their slide-in housing 32 and 34 are arranged offset with respect to the plate heat exchanger 6 to the outside, so that substantially flush with the connection pairs 24 and 25 in front of sufficient free space for receiving the housing components 21 and 23 remains, seen in the installed position from the front within the housing components 20 and 22 and are surrounded by these laterally.
  • the housing components 21 and 23 are substantially aligned with the lower terminals of the pairs of terminals 24, 25 of the plate heat exchanger 6, wherein the housing member 23 also has a cylindrical plug-in housing 36, to which a connection part 37th connected approximately vertically.
  • the plug-in housings 36 are provided for the integration of an adjustable throttling device, the actuator is attached to the connecting part 37.
  • This throttling device regulates the hot water flow through the heat exchanger 6 and thus the temperature of the emerging hot water through the housing member 21.
  • the corresponding electronic control is arranged within the terminal box 17.
  • the slide-in housing 32, 34 and 36 have the same diameter and are open to the front side accessible in the installed position front end and equipped with a bayonet, in which engages a correspondingly bayonet and sealed lid, which closes the installation space and the detachable with the insertion part behind it or can be firmly connected.
  • connections provided in the following on the housing components are not described in detail here, they are used to hold sensors and piping, for example, for filling the heating circuit with water or to refill the heating circuit and for receiving a dedicated filling valve, which in the rack housing 36th integrated and united with the aforementioned throttle valve.

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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)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Details Of Fluid Heaters (AREA)

Claims (9)

  1. Module pour une installation de chauffage à deux circuits chauffants, un pour le chauffage de locaux et un pour la préparation d'eau chaude, comprenant au moins un élément de bâti (13, 18, 19) réalisé en matière plastique, un groupe motopompe (3), un échangeur de chaleur (6) pour l'échauffement de l'eau sanitaire et d'autres composants électriques, mécaniques et/ou hydrauliques, caractérisé en ce que le module (12) présente quatre éléments de bâti (20, 21, 22, 23), qui forment chacun un ensemble de guidage de conduite en direction de l'échangeur de chaleur (6).
  2. Module selon la revendication 1, caractérisé en ce qu'au moins deux éléments de bâti (20, 21) sont réalisés en des matières plastiques différentes, la disposition des matières plastiques différentes état choisie de telle façon qu'au moins l'eau de chauffage et l'eau sanitaire soient conduites dans des matières plastiques différentes.
  3. Module selon l'une des revendications précédentes, caractérisé en ce que la disposition des matières plastiques est choisie de telle façon que l'eau sanitaire chaude et l'eau sanitaire froide soient conduites dans des matières plastiques différentes.
  4. Module selon l'une des revendications précédentes, caractérisé en ce qu'au moins deux éléments de bâti sont façonnés sous forme d'une pièce moulée par injection se composant de matières plastiques différentes.
  5. Module selon l'une des revendications précédentes, caractérisé en ce que les éléments de bâti (20, 21 ; 22, 23) se mettent en prise par paires l'un dans l'autre, par conjugaison de formes, en une paire de raccords (24, 25) de l'échangeur de chaleur (6).
  6. Module selon l'une des revendications précédentes, caractérisé en ce que les éléments de bâti (20, 22) se raccordant, en position de montage, aux raccords supérieurs de l'échangeur de chaleur (6), sont prévus dans des positions décalées vers l'extérieur, de telle façon qu'ils encadrent latéralement les éléments de bâti (21, 23) se raccordant aux raccords inférieurs de l'échangeur de chaleur (6).
  7. Module selon l'une des revendications précédentes, caractérisé en ce que les éléments de bâti (20, 22, 23) présentent des bâtis d'insertion (32, 34, 36) accessibles de l'avant en position de montage.
  8. Module selon l'une des revendications précédentes, caractérisé en ce que les bâtis d'insertion (36) des éléments de bâti (21, 23) se raccordant aux raccords inférieurs de l'échangeur de chaleur (6) se trouvent, au moins partiellement, dans l'alignement de l'ouverture de raccord correspondante.
  9. Module selon l'une des revendications précédentes, caractérisé en ce que les bâtis d'insertion (32, 34) des éléments de bâti (20, 22) se raccordant aux raccords supérieurs de l'échangeur de chaleur (6) sont disposés à distance, sur le côté, des raccords, et sont reliés à ces derniers par l'intermédiaire de canaux (33, 35) s'étendant transversalement à l'axe longitudinal des bâtis d'insertion (32, 34).
EP06015792A 2006-07-28 2006-07-28 Module Not-in-force EP1884723B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE502006001403T DE502006001403D1 (de) 2006-07-28 2006-07-28 Baueinheit
AT06015792T ATE405801T1 (de) 2006-07-28 2006-07-28 Baueinheit
EP06015792A EP1884723B1 (fr) 2006-07-28 2006-07-28 Module
CN2007101371564A CN101113824B (zh) 2006-07-28 2007-07-30 暖气设备的结构单元

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06015792A EP1884723B1 (fr) 2006-07-28 2006-07-28 Module

Publications (2)

Publication Number Publication Date
EP1884723A1 EP1884723A1 (fr) 2008-02-06
EP1884723B1 true EP1884723B1 (fr) 2008-08-20

Family

ID=37696060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06015792A Not-in-force EP1884723B1 (fr) 2006-07-28 2006-07-28 Module

Country Status (4)

Country Link
EP (1) EP1884723B1 (fr)
CN (1) CN101113824B (fr)
AT (1) ATE405801T1 (fr)
DE (1) DE502006001403D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048585A1 (de) 2009-10-07 2011-04-14 Stiebel Eltron Gmbh & Co. Kg Hydraulikmodul für ein Haustechnikgerät und Wärmepumpe mit einem Hydraulikmodul
EP3012553B1 (fr) 2014-10-21 2018-01-17 Grundfos Holding A/S Composant pour une installation de chauffage
KR102079210B1 (ko) 2018-09-14 2020-02-19 린나이코리아 주식회사 보일러의 펌프와 온수 열교환기 일체형 모듈

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2413045B1 (fr) * 2010-07-30 2014-02-26 Grundfos Management A/S Unité d'échange thermique
EP3012552B1 (fr) * 2014-10-21 2018-01-31 Grundfos Holding A/S Composant pour une installation de chauffage compacte
CN106595026B (zh) * 2016-10-26 2022-01-28 珠海格力电器股份有限公司 一种燃气壁挂炉、热水供应系统及控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1298069B1 (it) * 1997-10-20 1999-12-20 Valter Falavegna Gruppo valvolare a distribuzione idraulica integrale particolarmente per caldaie murali da riscaldamento e produzione di acqua calda
DE19751515C2 (de) * 1997-11-21 1999-12-02 Grundfos A S Bjerringbro Baueinheit für eine Kompaktheizungsanlage
NL1021594C2 (nl) * 2002-10-07 2004-04-08 Nefit Buderus B V Verwarmingstoestel.
DE50309957D1 (de) * 2003-11-03 2008-07-17 Grundfos As Baueinheit für eine Kompaktheizungsanlage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048585A1 (de) 2009-10-07 2011-04-14 Stiebel Eltron Gmbh & Co. Kg Hydraulikmodul für ein Haustechnikgerät und Wärmepumpe mit einem Hydraulikmodul
EP2312224A2 (fr) 2009-10-07 2011-04-20 STIEBEL ELTRON GmbH & Co. KG Module hydraulique pour un appareil ménager et pompe à chaleur dotée d'un module hydraulique
EP3012553B1 (fr) 2014-10-21 2018-01-17 Grundfos Holding A/S Composant pour une installation de chauffage
KR102079210B1 (ko) 2018-09-14 2020-02-19 린나이코리아 주식회사 보일러의 펌프와 온수 열교환기 일체형 모듈

Also Published As

Publication number Publication date
CN101113824B (zh) 2012-03-28
CN101113824A (zh) 2008-01-30
EP1884723A1 (fr) 2008-02-06
ATE405801T1 (de) 2008-09-15
DE502006001403D1 (de) 2008-10-02

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