EP3012553A1 - Composant pour une installation de chauffage - Google Patents

Composant pour une installation de chauffage Download PDF

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Publication number
EP3012553A1
EP3012553A1 EP14189801.5A EP14189801A EP3012553A1 EP 3012553 A1 EP3012553 A1 EP 3012553A1 EP 14189801 A EP14189801 A EP 14189801A EP 3012553 A1 EP3012553 A1 EP 3012553A1
Authority
EP
European Patent Office
Prior art keywords
assembly
return
heat exchanger
flow
heating
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.)
Granted
Application number
EP14189801.5A
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German (de)
English (en)
Other versions
EP3012553B1 (fr
Inventor
Lars Hannibalsen
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 Holdings AS
Original Assignee
Grundfos Holdings 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
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Application filed by Grundfos Holdings AS filed Critical Grundfos Holdings AS
Priority to EP14189801.5A priority Critical patent/EP3012553B1/fr
Priority to CN201510688669.9A priority patent/CN105526615B/zh
Publication of EP3012553A1 publication Critical patent/EP3012553A1/fr
Application granted granted Critical
Publication of EP3012553B1 publication Critical patent/EP3012553B1/fr
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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 
    • F24H9/142—Connecting hydraulic components
    • 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 invention relates to a structural unit for a heating system with two heating circuits with the features specified in the preamble of claim 1.
  • Building units of this type are in many variants of the prior art. They form in a heating system, in particular in a compact heating system, as it is to be found for domestic water heating and space heating in homes, but also houses, a unit comprising the water-bearing connections of the heater and a large part of the line connections, sensors, valves and a circulation pump. This eliminates the otherwise customary individual piping and the individual assembly of valves, vents, connections and the like.
  • the essential structure of such units is similar, they usually have downwardly facing pipe connections, a rear plate heat exchanger for domestic water heating and one or more modules, which are formed from plastic injection molded parts and which accommodate the required valves, ventilators, pumps, and the line connections to form in this area.
  • the invention has the object to further improve a generic unit.
  • the assembly according to the invention for a heating system with two heating circuits, namely one for space heating and one for domestic water heating, which are supplied via a common primary heat exchanger with a heat-conducting medium, has a flow assembly and a return assembly, which are connected via a plate heat exchanger connecting these assemblies ,
  • the flow module has connections to the supply of space heating, to the flow of domestic water heating and to the output of the primary heat exchanger.
  • the return assembly has connections to the return of the space heating, to the return of the domestic water heating and to the input of the primary heat exchanger.
  • the flow module is divided into two assembly parts, one of which has a module to the connection to the output of the primary heat exchanger and the connection to the flow of space heating and the other module part has the adjacent to the plate heat exchanger flow connection for domestic water heating and two service water connections, of which one connects to the plate heat exchanger and the other to a service water pipe.
  • the assembly parts are each formed as a plastic injection molded parts, but consist of different materials and have mutually facing connections through which the modules are releasably mechanically and directly, that is directly hydraulically connected.
  • the basic idea of the solution according to the invention is, in a per se advantageous construction of the assembly of a flow assembly and a return assembly, which are mechanically and hydraulically connected by a plate heat exchanger, divide the flow assembly into at least two assembly parts, which are each formed as injection molded plastic parts, but from different Materials are formed, which have mutually facing terminals through which these two assembly parts are releasably connected mechanically and directly hydraulically. It is therefore a line connections that form after connecting a through-line between the two module parts.
  • the division of the flow module into two assembly parts of different material has on the one tool technical advantages, since these individual assembly parts can be made naturally with less complex design tools as a contiguous assembly.
  • This assembly part for example, advantageously made of PPA (polyphthalamide) or PPS (polyphenylene sulfide).
  • the other module part can be made of a less expensive material, such as PA (polyamide).
  • Both component groups can, as the embodiment described below, be made with simple cores without lost cores.
  • the division of the flow module in at least two flow assemblies is also therefore low because not necessarily both assembly parts must be changed for a modified construction, but possibly only one or the other.
  • the two mutually facing terminals of the assembly parts are advantageously bayonet connected with the inclusion of a seal, preferably an O-ring, so that during assembly, the two assembly parts are plugged together with their terminals and rotated at a predetermined angle to each other to close the bayonet connection. This always results in a clear alignment of the components to each other, whereby incorrect assembly can be prevented.
  • the assembly may have a flow line and return connecting bypass line which is hydraulically connected via a bypass valve, wherein advantageously a receiving chamber for the bypass valve and a connection for the bypass line are provided in the flow assembly.
  • the bypass line is then manufactured as a separate line for the usual plug-in connections and opens into a corresponding port of the return assembly.
  • the flow and return connecting bypass can also be formed without a separate bypass line, if the running through the plate heat exchanger line connection is used for this purpose.
  • a bypass valve is required, which binds the bypass hydraulically.
  • the flow module can be designed so that the receiving chamber for the bypass valve either with the connection for the bypass line or via a bypass within the flow assembly with the plate heat exchanger is connected so that one and the same plastic injection molded component can be used for both variants. It is provided according to the invention that either corresponding blind plugs are attached to the pipe connection and / or the chamber or the component is varied by inserting corresponding tool parts in the tool accordingly.
  • the receiving chamber for the bypass valve and / or the connection for the bypass line is provided in the other assembly part, which is more preferably arranged between the one assembly part and the return assembly. It is in the other assembly part so the assembly part, which carries the subsequent to the plate heat exchanger connections, since it is particularly easy to provide the bypass within the flow assembly, which necessarily lead in a line at least when guiding the bypass through the plate heat exchanger which connects to the plate heat exchanger.
  • a preferably in installation position accessible from the front port for receiving a pressure relief valve is provided in the flow assembly.
  • This connection for the pressure relief valve is advantageously provided in the one module part, in which no hot water is performed.
  • This safety valve which must be checked regularly and replaced if necessary, is always easily accessible from the front in this arrangement.
  • a flow and return connecting bypass line can be provided according to a development of the invention, which is hydraulically connected via a bypass valve, wherein in the return assembly, a receiving chamber for the bypass valve and a connection for the bypass line is provided. If, which is advantageous, such a receiving chamber for a bypass valve are provided both in the flow and in the return assembly and a connection for the bypass line is provided on each of these modules, the unit can the bypass valve either at the flow or in carry the return assembly. Also, according to a development of the invention, when the bypass is to pass through the plate heat exchanger, a bypass valve may be accommodated in the return assembly, wherein the receiving chamber then has a bypass to the plate heat exchanger within the return assembly.
  • both assemblies are provided both for a bypass through the plate heat exchanger and with a connection for a bypass line, they are advantageously also both provided with a receiving chamber for a bypass valve.
  • the assembly according to the invention can be used for structures in which the bypass valve is optionally arranged in one or the other assembly, which are bypassed via a bypass line or via the plate heat exchanger together. For this purpose, there is no need to change the plastic injection molded parts used or the adjustments are so marginal that at least the tools required for this can be used with minor modifications.
  • the return assembly has a preferably in installation position rear connection for the bypass line, since the latter, if this is designed to be a separate line, advantageously behind the plate heat exchanger is long or can run next to it, so usually exploits the existing there already free space.
  • the return assembly alternatively or also has a connection for receiving a pressure relief valve. This is especially true when in the Return assembly other components such as pump and changeover valve are integrated, advantageous in mounting position accessible from above in order not to affect the free space for the aforementioned components.
  • the return assembly is formed by a plastic injection molded part, which forms at least part of a pump housing of a circulation pump and which is preferably accessible from the front in the installed position, so the engine head can accommodate from the front so that it is easily accessible in the installed position and optionally interchangeable.
  • the return assembly is formed by a plastic injection molded part, which comprises a switching valve which connects the return of the space heating and / or the return of domestic water heating with the suction side of the circulation pump.
  • a plastic injection molded part which comprises a switching valve which connects the return of the space heating and / or the return of domestic water heating with the suction side of the circulation pump.
  • the return assembly on a chamber for receiving a gas separator this advantageously connects to a suction port of the pump upstream space in which the switching valve can be arranged.
  • the solution according to the invention is not limited to the material variant of the component parts given in an advantageous manner according to claim 1, but rather the design details given in the subclaims and the description, which include the use of subassemblies, subassemblies or injection molded plastic parts These are designed to allow for different applications with virtually the same shape, combined.
  • the assembly shown has a flow assembly 1 and a return assembly 2, which are mechanically and hydraulically connected to each other via a plate heat exchanger 3.
  • the assemblies 1 and 2 are also connected via a like the heat exchanger 3 also made of metal chassis 4, in which the pipe connections 5, 6, 7 and 8 of the heating system are guided in the installed position down out.
  • the connection 5 forms the flow connection for the space heating
  • the connection 6 forms the hot water consumption water connection
  • the connection 7 forms the cold water consumption water connection
  • the connection 8 forms the return connection for the space heating.
  • the flow assembly 1 has two assembly parts, namely a Bankerbau phenomenonteil 9 and a service water assembly part 10, which are each manufactured as plastic injection molded parts without lost cores.
  • the Walkerbaubau phenomenon 9 of the component consists essentially of straight running channels. It has at its top a connection 11 which serves to connect a leading to the output of a primary heat exchanger 12 of the heating system line. Furthermore, the Thompsonbau Anlagenteil 9 has a lower in the installed position forwardly facing port 13 for receiving a pressure relief valve 14, which is accessible from the front and has a downwardly directed vent 15. A further connection 16 which is directed forward in the installed position is provided above the connection 13 and serves to receive a pressure sensor 17.
  • the heating water assembly part 9 has a lateral connection 18, which forms part of a bayonet connection, the other part of which is formed by a lateral connection 19 in the service water assembly part 10.
  • the assembly parts 9 and 10 are mechanically and hydraulically connected directly to each other incorporating a seal.
  • This line connection connects the flow side the heat transfer circuit with the service water assembly part 10, here via a substantially horizontal position in installation position channel 20, which leads to a lower port 21 to the plate heat exchanger 3.
  • the service water assembly part 10 has an upwardly open chamber 23, which is provided for receiving a bypass valve 24.
  • the bypass valve 24 is a pressure relief valve, which ensures that when the circuit for space heating between flow and return is closed, a subsequent to the primary heat exchanger 12 is formed circuit which is connected either via a bypass line 25, which is the back of the unit or closed via the plate heat exchanger 3.
  • the bypass valve 24 has a substantially cylindrical shape and is seated in a valve receiving plug 26 which is sealingly incorporated into the chamber 23 and has a lateral opening 27 via which a line connection leads to a channel adjoining the chamber 23 at the rear 28 for the bypass line 25 ends.
  • the return assembly 2 has a much more complex plastic injection molded part, which is also made without lost cores. It forms a housing for a circulating pump 29 whose drive motor 30 is flanged in a conventional manner from the front together with the arranged on the shaft of the motor 30 pump impeller to the formed by the injection molded part of the return assembly 2 plastic injection molded part.
  • a chamber is formed on the suction side, to the after above a receptacle 31 connects to an air separator 32 and at the same time forms a valve chamber for a changeover valve 33, which is controlled by an outwardly guided pivot lever by means of a laterally arranged linear actuator 34.
  • This arrangement is known per se ( EP 2 397 777 A1 ) and therefore not described in detail.
  • the return assembly 2 also has a port 35 for receiving a pressure relief valve 14, which is arranged so that the valve 14 is accessible from above there and the vent 15 is directed to the rear.
  • the pressure relief valve 14 can thus be mounted either in the return assembly 2 or in the flow assembly 1. It is understood that the unused so far connection is closed by a blind plug.
  • the return assembly has an upper connection 36 for the plate heat exchanger 3 and a lower connection 37 for the plate heat exchanger 3.
  • the upper connection is domestic water and connected to the cold water tap water connection 7 through a channel in the return assembly 2.
  • the lower port 37 is channel connected via the valve 33 to the suction chamber of the pump. In the suction chamber of the pump also opens to the return port 8 for the space heating leading channel, so that either the return of domestic hot water or the return of the space heater is connected to the pump and thus to the line connection 40 to the primary heat exchanger.
  • the return assembly 2 has a chamber 38, corresponding to the chamber 23 in the flow group 1, which is provided for the integration of a bypass valve 24, which is also incorporated via a valve receiving plug 26 with lateral opening 27 in the chamber 38.
  • the opening 27 of the valve receiving plug 26 opens here in a channel within the return assembly, which with a lower Port 39 for the bypass line 25 and the lower port 37 for the plate heat exchanger 3 is channel-connected.
  • bypass valve 24 is located either in the chamber 23 (FIG. Fig. 8 ) or in the chamber 38 (FIG. Fig. 9 ) is arranged. If the bypass valve is arranged in the chamber 38, the bypass takes place via the plate heat exchanger 3. The chamber 23 is then closed with a blind plug ( Fig. 9 ). If the bypass valve 24, however, is arranged in the chamber 23 of the flow module 1, then the bypass is effected by a bypass line 25 connected at the rear to the connection 39 of the return assembly 2 and to the connection 28 of the flow group 1. The chamber 38 is then closed by a blind plug (FIG. Fig. 8 ).
  • bypass can be formed by the plate heat exchanger 3 or by a separate bypass line 25.
  • bypass valve 24 can be optionally arranged in the flow assembly 1 or in the return assembly 2, without having to change the modules 1 and 2 constructive.
  • the plate heat exchanger 3 consists essentially of metal sheets, as well as the chassis 4.
  • the assemblies 1 and 2 are formed of plastic injection molded parts, namely the assembly 2 of a single plastic injection molded part, whereas the assembly 1 of an injection molded part for the Schubaubau phenomenonteil 9 and another injection molded part for the service water assembly part 10 is formed.
  • the service water assembly part 10 is made of PPA (polyphthalamide), as well as the return assembly part 2.
  • the Schumacherbau developmentteil 9 is made of PA (polyamide).

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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)
EP14189801.5A 2014-10-21 2014-10-21 Composant pour une installation de chauffage Active EP3012553B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14189801.5A EP3012553B1 (fr) 2014-10-21 2014-10-21 Composant pour une installation de chauffage
CN201510688669.9A CN105526615B (zh) 2014-10-21 2015-10-21 用于供热设备的结构单元

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14189801.5A EP3012553B1 (fr) 2014-10-21 2014-10-21 Composant pour une installation de chauffage

Publications (2)

Publication Number Publication Date
EP3012553A1 true EP3012553A1 (fr) 2016-04-27
EP3012553B1 EP3012553B1 (fr) 2018-01-17

Family

ID=51753101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14189801.5A Active EP3012553B1 (fr) 2014-10-21 2014-10-21 Composant pour une installation de chauffage

Country Status (2)

Country Link
EP (1) EP3012553B1 (fr)
CN (1) CN105526615B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20164036A1 (it) * 2016-06-01 2017-12-01 O T M A S N C Di Spaggiari & C Gruppo idraulico per un impianto di produzione di acqua calda
CN109026668A (zh) * 2018-09-21 2018-12-18 合肥新沪屏蔽泵有限公司 用于供热设备的一种泵壳体

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109668293A (zh) * 2017-10-13 2019-04-23 博世热力技术（上海）有限公司 家用热水设备

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE19912284A1 (de) * 1999-03-18 2000-09-28 Grundfos A S Bjerringbro Kompaktheizungsanlage
EP1657507A1 (fr) * 2004-11-05 2006-05-17 Grundfos A/S Ensemble pour installation de chauffage compact
EP1884723A1 (fr) * 2006-07-28 2008-02-06 Grundfos Management A/S Module
EP2093517A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant pour installation de chauffage compacte
EP2397777A1 (fr) 2010-06-19 2011-12-21 Grundfos Management A/S Unité de boîtier pour une installation de chauffage
EP2629019A1 (fr) * 2012-02-17 2013-08-21 Grundfos Holding A/S Unité de boîtier pour un appareil de chauffage

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ATE520934T1 (de) 2008-02-22 2011-09-15 Grundfos Management As Teilbaueinheit für eine kompaktheizungsanlage
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Publication number Priority date Publication date Assignee Title
DE19912284A1 (de) * 1999-03-18 2000-09-28 Grundfos A S Bjerringbro Kompaktheizungsanlage
EP1657507A1 (fr) * 2004-11-05 2006-05-17 Grundfos A/S Ensemble pour installation de chauffage compact
EP1884723A1 (fr) * 2006-07-28 2008-02-06 Grundfos Management A/S Module
EP2093517A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant pour installation de chauffage compacte
EP2093517B1 (fr) 2008-02-22 2014-01-15 Grundfos Management A/S Composant pour installation de chauffage compacte
EP2397777A1 (fr) 2010-06-19 2011-12-21 Grundfos Management A/S Unité de boîtier pour une installation de chauffage
EP2629019A1 (fr) * 2012-02-17 2013-08-21 Grundfos Holding A/S Unité de boîtier pour un appareil de chauffage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20164036A1 (it) * 2016-06-01 2017-12-01 O T M A S N C Di Spaggiari & C Gruppo idraulico per un impianto di produzione di acqua calda
EP3252394A1 (fr) * 2016-06-01 2017-12-06 O.T.M.A. S.N.C. di Spaggiari & C. Unité hydraulique pour un système de production d'eau chaude
CN109026668A (zh) * 2018-09-21 2018-12-18 合肥新沪屏蔽泵有限公司 用于供热设备的一种泵壳体
CN109026668B (zh) * 2018-09-21 2024-05-10 合肥新沪屏蔽泵有限公司 用于供热设备的一种泵壳体

Also Published As

Publication number Publication date
CN105526615B (zh) 2019-08-02
EP3012553B1 (fr) 2018-01-17
CN105526615A (zh) 2016-04-27

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