EP1884720A1 - Ensemble pour installation de chauffage compact - Google Patents

Ensemble pour installation de chauffage compact Download PDF

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Publication number
EP1884720A1
EP1884720A1 EP06015791A EP06015791A EP1884720A1 EP 1884720 A1 EP1884720 A1 EP 1884720A1 EP 06015791 A EP06015791 A EP 06015791A EP 06015791 A EP06015791 A EP 06015791A EP 1884720 A1 EP1884720 A1 EP 1884720A1
Authority
EP
European Patent Office
Prior art keywords
heating
assembly according
water
heat exchanger
valve
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
EP06015791A
Other languages
German (de)
English (en)
Other versions
EP1884720B1 (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 PL06015791T priority Critical patent/PL1884720T3/pl
Priority to EP06015791.4A priority patent/EP1884720B1/fr
Publication of EP1884720A1 publication Critical patent/EP1884720A1/fr
Application granted granted Critical
Publication of EP1884720B1 publication Critical patent/EP1884720B1/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
    • 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
    • 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

  • 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 heating, which are often built as compact wall units.
  • These compact devices have a primary heat exchanger in which circulated water is heated as a heat transfer medium, which is supplied either to a space heating heating circuit or a heat exchanger, typically a plate heat exchanger, via which the domestic water heating takes place.
  • the assembly typically includes a built-up of several injection molded plastic fittings and pump housing, which is formed on the rear side for connection of the plate heat exchanger.
  • the assembly also includes all other electrical, mechanical and / or hydraulic components, as far as they can be usefully merged into the unit. These are typically filters, dirt / air separators, switching valves, throttle valves, temperature and pressure sensors, and the like.
  • EP 1 528 330 Al Such a unit in which connect three housing parts under inclusion of the pump unit to each other and are connected at the back by the heat exchanger, is off EP 1 528 330 Al known.
  • This unit is highly integrated and consists essentially of a central pump housing part and two laterally adjoining valve body parts.
  • the heating of the service water takes place as soon as a service water flow within the unit is detected. Then, the switching of a directional control valve takes place in such a way that the heated water coming from the primary heat exchanger is no longer directed into the heating circuit for space heating but into the heating circuit for domestic water heating, namely into the plate heat exchanger. At the same time, the burner is ignited so that heating of the heat carrier flowing through takes place in the primary heat exchanger.
  • the invention has the object, a generic unit for a heating system in such a way that a better temperature control of the process water is made possible.
  • the assembly according to the invention for a heating system with two heating circuits, one for the space heating and one for the heating of process water, has a fitting and pump housing, which is designed for connection of the secondary heat exchanger, in which the heating of the service water takes place.
  • means for controlling the temperature of the process water are provided within the assembly, namely within the fitting and pump housing, which operate independently of the outside of the unit located heating system parts.
  • the basic idea of the present invention is thus to control the temperature control not only as in the prior art by the gas supply of the burner, which always takes place outside the unit, but within the unit, namely to provide means for controlling the temperature of the service water within the fitting and pump housing So, which are within the unit and thus independent of units outside the unit are independent and thus mounted by the manufacturer of the unit and can be adjusted.
  • a controllable throttle point is provided in the service water line within the unit, with which the hot water flow can be controlled.
  • the possibility of controlling the amount of hot water, the temperature of the escaping hot water can be controlled, too without interfering with the burner control. It may therefore be possible to dispense with a burner control, at least on a sensitive burner control, as this can be done via the flow control, possibly also in addition to the burner control.
  • a throttle point is provided within the assembly, the flow cross-section is adjustable.
  • a temperature control is provided instead of a pure control.
  • a temperature sensor is arranged that is provided within the unit an electronic control, which is fed to the signal of the temperature sensor and in turn emits a control signal , which is responsible for the control of the flow cross section of the throttle point. In this way, a closed loop for the temperature control of the process water can be provided within the unit.
  • the controllable throttle point can in principle be located anywhere within the service water line in the unit, but must be arranged in the flow direction in front of the temperature sensor. It is particularly expedient if the controllable throttle point lies in the flow direction in front of the secondary heat exchanger.
  • the fittings and pump housing from at least one fitting housing part and a pump housing part is constructed of plastic injection molding, then it is structurally particularly favorable to arrange the controllable orifice in a fitting housing part, which connects to the secondary heat exchanger.
  • a variety of design options is given. Particularly advantageous is a construction according to the invention, in which the throttle point is designed in the manner of a slide valve and the slide is moved by means of an externally arranged on the housing electric motor in the axial direction, so that depending on the position of the slide, the flow cross section is larger or smaller. It is expedient to design the arrangement so that the flow cross-section can not be completely closed, but always a minimum flow cross-section remains to ensure even in the case of a defect still sufficient flow of the plate heat exchanger.
  • the design in the manner of a slide valve has the advantage that the flow cross-section can be controlled almost force-free, that can be completely dispensed with sealant in the flow cross section and that the relevant components are inexpensive to produce or can be integrated into the housing.
  • the slide valve-like training also allows a further development to the effect that on the side facing away from the engine of the slide, a filling valve for the heating system can be arranged, which is controllable indirectly or directly by the slide at least in the opening direction. It can therefore, if the control of the flow cross-section is not needed, the slider can be used to control the filling valve, whereby a separate drive for the filling valve can be omitted. Since there is already a conduit for the service water within the housing, it only requires a short overflow, which makes it possible to fill with the help of the incorporated therein filling valve and a further provided check valve, the heating circuit, if this should be necessary.
  • the filling valve is designed so that it is spring-loaded in the closing direction, so that it can be closed in the normal position and can only be opened when actuated by the slide.
  • a filling valve is advantageously designed as a seat valve, but may also be designed as a slide valve.
  • a line connection between a service water leading line and a heating water leading line can be provided without much effort. It is only within the unit in addition to the channel connection to create a space for the filling valve and another space for a check valve, which prevents backflow of heating water to the hot water.
  • the check valve downstream means are provided which effectively prevent ingress of heating water in the hot water circuit. It should be borne in mind that the simple safety of a check valve, which, with a few exceptions, is constantly closed and thus not moved, may not be sufficient to provide the security against the ingress of heating water into the hot water circuit. It is therefore provided according to an embodiment of the invention, a transfer port, which connects to the space between the filling valve and the check valve and connects it to the environment or a drain line. This overflow channel thus ensures that even in the case of a defect of the Check valve itself can not build up pressure on the water heater side filling valve, but this is then possibly derived, until the pressure within the heating circuit has dropped accordingly.
  • the slide of the throttle point can be moved into a cylinder which intersects the channel of the corresponding housing part which leads transversely thereto and leads to the heat exchanger.
  • Such a design is advantageous tool and also particularly advantageous in terms of the arrangement, since both the slider and the end arranged thereon and this traversing motor can be arranged at an easily accessible point of the unit, so that they are easily accessible in the installation position and repair - Or maintenance case without removing housing parts are removable and installable.
  • the arrangement of the engine is advantageously carried out so that it is located above the heat exchanger for heating the service water, ie where regularly a free space is formed within the system.
  • the heating system shown with reference to FIG. 1 has a heating circuit in which water circulated in a primary heat exchanger 1 by means of a burner 2 is heated as a heat carrier.
  • 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 selectively fed via a check valve overflow 5 or a heat exchanger 6 in the form of a plate heat exchanger or radiators 7 a space heater.
  • a check valve overflow 5 or a heat exchanger 6 in the form of a plate heat exchanger or radiators 7 a space heater.
  • 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 hot 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 in the primary heat exchanger 1 water is supplied to the radiators 7 of the space heater and then via a return line 11 turn to Circulation pump 3 and back to the primary heat exchanger. 1
  • FIG. 1 the components 3 to 6 and 10 as well as further components not shown in detail in the figure are arranged in a structural unit 12, which is shown in FIG. 1 by the rectangular frame numbered 12.
  • Such a unit 12, as is typically provided for so-called wall-mounted gas heaters is shown in Fig. 2.
  • the assembly 12 has a central pump housing part 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 can be seen.
  • the pump housing part 13 is located at a distance in front of the plate heat exchanger 6 and has a mounting position upwardly directed pressure port 15, which is provided for line connection to the primary heat exchanger 1.
  • the pump housing part 13 carries the front side of the electric motor 16 of the pump.
  • the terminal box 17 of the motor 16 is disposed on the electric motor 16 and receives all the control electronics.
  • Right and left close to the pump housing part 13 so-called fitting housing parts 18 and 19, each consisting of two housing components 20 and 21 or 22 and 23. These are plastic injection molded parts, which each connect to a connection pair of the plate heat exchanger 6.
  • the assembly shown in Fig. 2 has four downwardly directed ports 27 to 30, which are provided for connection to the stationary, water-carrying lines in the house.
  • the connection 27 is provided for the heating flow and the connection 30 for the heating return.
  • the hot water is fed via line 8 at the terminal 29 in the unit 12, where it passes from below into the housing member 23 to the bottom in Fig. 2 connection of the right pair of the plate heat exchanger 6, flows through this and passes through the lower terminal of the left pair of terminals in the Housing component 21 and the hot water supply 28 in the corresponding stationary hot water pipe of the building.
  • the heated water coming from the primary heat exchanger 1 is introduced via a connection 31 at the top into the housing component 20, which comprises the 3/3-way valve 4 and, for the purpose of heating service water, flows into the upper left connection of the connection plate of the plate heat exchanger 6 the plate heat exchanger in countercurrent to the hot water and exits at the upper port of the right pair of ports back into the housing member 22 which is line connected to the suction port of the pump 3.
  • a throttle point 32 which is variable in its flow cross-section, is provided in the housing component 23.
  • the housing member 23 has a mounting position (shown in FIG. 2) to the front accessible, closed by a lid 33 cylindrical space 34, followed by the bottom of the terminal 29 for supplying the still cold service water.
  • a channel 35 connects, which ends in the lower connection of the right pair of terminals of the plate heat exchanger 6. In the area between the bottom of the space 34 and the channel 35, this cuts a cylindrical pipe section 36, at the upper end of a terminal 26 is provided for receiving a drive unit 40.
  • a slide 37 is mounted movable in the axial direction, which has a the interior of the pipe section 36 in sections and in cross section completely filling cylinder 38 at its end.
  • the slider 37 is rod-shaped, sealed in the upper part of the pipe section 36 via a seal 39 and the drive unit 40 located there, stored, which has an electric motor for moving the cylinder 38 within the pipe section 36.
  • the temperature control itself is arranged in the terminal box 17 of the motor 16 and moreover has a temperature sensor 49 provided in the housing component 21, which detects the temperature of the heated service water emerging from the plate heat exchanger 6.
  • the pipe section 36 is extended downward beyond the channel 35 and formed there as a guide for a valve body 41 of a filling valve 42.
  • the filling valve 42 is designed as a slide valve.
  • the slider and valve body 41 is subjected to a force in the closing direction by means of a coil spring 43 fixed in the housing at the end.
  • the With reference to Figures 4 and 6 shown position of the valve body 41 thus shows the closed valve position.
  • the slide 37 To open the filling valve 42 to open, the slide 37 must be moved by means of the electric motor 38 beyond its maximum throttle position, until the free end face of the cylinder 38 comes to rest on the opposite end face of the valve body 41. Then, when the slider 37 is further moved against the force of the coil spring 43 and the valve body 41 is pushed down, created around the valve body around a channel connection between the pending in the room 34 service water and a transverse channel 44 to which a check valve 45 connects and the in a port 46 opens, which is provided for connection to the heating circuit of the primary heat exchanger 1. Thus, when the slider 37 is moved into the lowermost end position shown with reference to FIGS.
  • the coil spring 43 is almost completely compressed and the valve body 41 is moved into the position that opens the filling valve 42, whereby the transverse channel 44 is acted upon by the pressure of the service water line is.
  • the downstream check valve 45 releases the flow between the channel 44 in the direction of the port 46 and blocks in the opposite direction, so that in this position, an overflow of service water in the heating circuit, but not vice versa, takes place.
  • the heating circuit automatically or possibly also by manual intervention in the control.
  • the transverse channel 44 with which the spring 43 and the lower Part of the valve body 41 receiving space conductively connected This space is opened by a central recess 47 in the spring 43 supporting the lid 48, so that incoming water is discharged to the outside into the environment and thus can not get into the service water pipe.
  • a drain line leading may possibly be attached to a drain line leading.

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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)
EP06015791.4A 2006-07-28 2006-07-28 Ensemble pour installation de chauffage compact Not-in-force EP1884720B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL06015791T PL1884720T3 (pl) 2006-07-28 2006-07-28 Jednostka konstrukcyjna dla kompaktowej instalacji grzewczej
EP06015791.4A EP1884720B1 (fr) 2006-07-28 2006-07-28 Ensemble pour installation de chauffage compact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06015791.4A EP1884720B1 (fr) 2006-07-28 2006-07-28 Ensemble pour installation de chauffage compact

Publications (2)

Publication Number Publication Date
EP1884720A1 true EP1884720A1 (fr) 2008-02-06
EP1884720B1 EP1884720B1 (fr) 2016-01-13

Family

ID=37102068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06015791.4A Not-in-force EP1884720B1 (fr) 2006-07-28 2006-07-28 Ensemble pour installation de chauffage compact

Country Status (2)

Country Link
EP (1) EP1884720B1 (fr)
PL (1) PL1884720T3 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093517A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant pour installation de chauffage compacte
EP2093515A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant partiel pour une installation de chauffage compacte
EP2093516A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant pour installation de chauffage compacte
US20110308767A1 (en) * 2010-06-19 2011-12-22 Grundfos Management A/S Housing unit for a heating system
CN105180256A (zh) * 2015-08-21 2015-12-23 张青林 油热式采暖热水燃气壁挂炉
EP3222929A4 (fr) * 2014-11-19 2018-08-08 Kyungdong Navien Co., Ltd. Chaudière ayant un clapet de retenue intégré à une conduite d'eau
EP3444537A4 (fr) * 2016-04-11 2019-03-27 Mitsubishi Electric Corporation Dispositif de stockage de chaleur
EP3388721A4 (fr) * 2015-12-07 2019-07-24 Kyungdong Navien Co., Ltd. Vanne à trois voies
EP4124808A1 (fr) * 2021-07-28 2023-02-01 Robert Bosch GmbH Appareil chauffant doté d'une conduite de dérivation, ainsi que dispositif pour un appareil chauffant
WO2024105026A1 (fr) * 2022-11-14 2024-05-23 Grundfos Holding A/S Procédé et système de commande d'un écoulement de fluide dans une boucle de mélange

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042673A (zh) * 2015-07-02 2015-11-11 赖海荣 一种空间加热器
CN110701787A (zh) * 2019-10-31 2020-01-17 广州迪森家居环境技术有限公司 一种燃气壁挂炉及其快速热水组件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237136A1 (en) * 1991-10-31 1993-05-06 Joh. Vaillant Gmbh U. Co, 5630 Remscheid, De Central- and washing-water-heating control system - regulates flow through washing-water heat-exchanger dependent on medium temperature
DE19632604A1 (de) * 1996-08-13 1998-02-19 Wilo Gmbh Befülleinrichtung für Hydraulikbaugruppe
EP0931988A2 (fr) * 1998-01-22 1999-07-28 Wolf GmbH Méthode et installation pour réduire le temps d'attente pour le tirage d'eau chaude
EP1188991A1 (fr) * 2000-09-14 2002-03-20 Chaffoteaux Et Maury Vanne distributrice hydraulique pour système de production d'eau chaude de chauffage et d'eau chaude sanitaire
EP1528330A1 (fr) * 2003-11-03 2005-05-04 Grundfos A/S Ensemble pour installation de chauffage compact
EP1710511A2 (fr) * 2005-04-04 2006-10-11 Hermann S.r.l. Chaudière comportant des appareils pour l'optimisation la distribution d'eau chaude sanitaire et procédé correspondant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4237136A1 (en) * 1991-10-31 1993-05-06 Joh. Vaillant Gmbh U. Co, 5630 Remscheid, De Central- and washing-water-heating control system - regulates flow through washing-water heat-exchanger dependent on medium temperature
DE19632604A1 (de) * 1996-08-13 1998-02-19 Wilo Gmbh Befülleinrichtung für Hydraulikbaugruppe
EP0931988A2 (fr) * 1998-01-22 1999-07-28 Wolf GmbH Méthode et installation pour réduire le temps d'attente pour le tirage d'eau chaude
EP1188991A1 (fr) * 2000-09-14 2002-03-20 Chaffoteaux Et Maury Vanne distributrice hydraulique pour système de production d'eau chaude de chauffage et d'eau chaude sanitaire
EP1528330A1 (fr) * 2003-11-03 2005-05-04 Grundfos A/S Ensemble pour installation de chauffage compact
EP1710511A2 (fr) * 2005-04-04 2006-10-11 Hermann S.r.l. Chaudière comportant des appareils pour l'optimisation la distribution d'eau chaude sanitaire et procédé correspondant

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093517A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant pour installation de chauffage compacte
EP2093515A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant partiel pour une installation de chauffage compacte
EP2093516A1 (fr) * 2008-02-22 2009-08-26 Grundfos Management A/S Composant pour installation de chauffage compacte
US20110308767A1 (en) * 2010-06-19 2011-12-22 Grundfos Management A/S Housing unit for a heating system
US9612036B2 (en) * 2010-06-19 2017-04-04 Grundfos Management A/S Housing unit for a heating system
EP3222929A4 (fr) * 2014-11-19 2018-08-08 Kyungdong Navien Co., Ltd. Chaudière ayant un clapet de retenue intégré à une conduite d'eau
CN105180256A (zh) * 2015-08-21 2015-12-23 张青林 油热式采暖热水燃气壁挂炉
CN105180256B (zh) * 2015-08-21 2018-05-15 张青林 油热式采暖热水燃气壁挂炉
EP3388721A4 (fr) * 2015-12-07 2019-07-24 Kyungdong Navien Co., Ltd. Vanne à trois voies
EP3444537A4 (fr) * 2016-04-11 2019-03-27 Mitsubishi Electric Corporation Dispositif de stockage de chaleur
EP4124808A1 (fr) * 2021-07-28 2023-02-01 Robert Bosch GmbH Appareil chauffant doté d'une conduite de dérivation, ainsi que dispositif pour un appareil chauffant
WO2024105026A1 (fr) * 2022-11-14 2024-05-23 Grundfos Holding A/S Procédé et système de commande d'un écoulement de fluide dans une boucle de mélange

Also Published As

Publication number Publication date
EP1884720B1 (fr) 2016-01-13
PL1884720T3 (pl) 2016-08-31

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