EP1884720B1 - Assembly for a compact heating installation - Google Patents
Assembly for a compact heating installation Download PDFInfo
- Publication number
- EP1884720B1 EP1884720B1 EP06015791.4A EP06015791A EP1884720B1 EP 1884720 B1 EP1884720 B1 EP 1884720B1 EP 06015791 A EP06015791 A EP 06015791A EP 1884720 B1 EP1884720 B1 EP 1884720B1
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- EP
- European Patent Office
- Prior art keywords
- heating
- heat exchanger
- construction unit
- unit according
- slide
- 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.)
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- 238000010438 heat treatment Methods 0.000 title claims description 48
- 238000009434 installation Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 238000010276 construction Methods 0.000 claims description 12
- 239000008236 heating water Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000035515 penetration Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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 A1 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 A1 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.
- This can be done in a further development of the invention in that within the housing in the secondary heat exchanger downstream DHW line 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 throttle point 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.
- Fig. 1 shown heating system has a heating circuit in which is heated in a primary heat exchanger 1 by means of a burner 2 circulated water as a heat transfer medium.
- 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 heating.
- a check valve overflow 5 or a heat exchanger 6 in the form of a plate heat exchanger or radiators 7 a space heating.
- 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 water in the primary heat exchanger 1 is supplied to the radiators 7 of the space heater and then via a return line 11 again 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 further, not shown in detail in the figure components, are arranged in a structural unit 12 which in Fig. 1 is shown by the 12 numbered rectangular frame.
- Such a unit 12, as is typically provided for so-called wall-mounted gas heaters is in Fig. 2 shown.
- 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 is recognizable.
- 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 (according to Fig. 2 ) 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.
- 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 in Fig. 2 bottom connection of the right pair of the plate heat exchanger 6, flows through this and passes through the lower connection 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 domestic hot water heating, flows into the upper left connection 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 component 23 has an installation position (in accordance with Fig. 2 ) accessible to the front, 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 also 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 based on FIGS. 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.
- 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)
Description
Die Erfindung betrifft eine Baueinheit für eine Heizungsanlage mit zwei Heizkreisen gemäß den im Oberbegriff des Anspruchs 1 angegebenen Merkmalen.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.
Derartige Baueinheiten zählen zum Stand der Technik und werden typischerweise in so genannten Gasthermen eingesetzt, die häufig als kompakte Wandgeräte gebaut werden. Diese kompakt ausgebildeten Geräte weisen einen Primärwärmetauscher auf, in welchem im Kreislauf geführtes Wasser als Wärmeträger erwärmt wird, das entweder einem für die Raumheizung vorgesehenen Heizkreis oder aber einem Wärmetauscher, typischerweise einem Plattenwärmetauscher zugeführt wird, über den die Brauchwassererwärmung erfolgt. Die Baueinheit umfasst dabei typischerweise ein aus mehreren Kunststoffspritzgussteilen aufgebautes Armaturen- und Pumpengehäuse, welches rückseitig zum Anschluss des Plattenwärmetauschers ausgebildet ist. Die Baueinheit umfasst darüber hinaus auch alle sonstigen elektrischen, mechanischen und/oder hydraulischen Komponenten, soweit sie sinnvollerweise in der Baueinheit zusammengeführt werden können. Dies sind typischerweise Filter, Schmutz-/Luftabscheider, Schaltventile, Drosselventile, Temperatur- und Drucksensoren und dergleichen.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.
Eine solche Baueinheit, bei der drei Gehäuseteile unter Eingliederung des Pumpenaggregats aneinander anschließen und rückseitig durch den Wärmetauscher verbunden sind, ist aus
Die Erwärmung des Brauchwassers erfolgt, sobald ein Brauchwasserdurchfluss innerhalb der Baueinheit detektiert wird. Dann erfolgt die Umschaltung eines Wegeventils derart, dass das vom Primärwärmetauscher kommende erwärmte Wasser nicht mehr in den Heizkreis für die Raumheizung, sondern in den Heizkreis für die Brauchwassererwärmung, nämlich in den Plattenwärmetauscher geleitet wird. Gleichzeitig wird der Brenner gezündet, so dass im Primärwärmetauscher eine Erwärmung des durchfließenden Wärmeträgers erfolgt.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.
Um eine schnelle und ausreichende Erwärmung des Brauchwassers zu gewährleisten, wird brennerseitig bezogen auf den Wasserdurchfluss im Primärwärmetauscher eine hohe Energie eingebracht, die andererseits aber auch im Sekundärwärmetauscher abgenommen werden muss, um eine Überhitzung des Systems, insbesondere Dampfblasenbildung und die damit verbundene schlagartige Druckerhöhung bzw. spätere Kavitation beim Einfallen der Dampfblasen zu vermeiden. Hierzu zählt es zum Stand der Technik, in Abhängigkeit der Durchflussmenge vom Brauchwasser den Brenner zu steuern, sei es in Stufen oder auch stufenlos. Diese Steuerung genügt zwar den Sicherheitsanforderungen für die Heizungsanlage, kann aber in der Praxis dazu führen, dass das erwärmte Brauchwasser je nach aktuellem Leitungsdruck unterschiedlich warm aus der Baueinheit und somit auch aus der Entnahmestelle am Zapfventil austritt.In order to ensure rapid and adequate heating of the service water, a high energy is introduced on the burner side relative to the water flow in the primary heat exchanger, but on the other hand must also be removed in the secondary heat exchanger to overheat the system, in particular vapor bubble formation and the associated sudden pressure increase or to avoid later cavitation when the vapor bubbles collapse. For this it belongs to the state of the art to control the burner depending on the flow rate of the process water, be it in stages or steplessly. Although this control meets the safety requirements for the heating system, but in practice can cause the heated hot water depending on the current line pressure different degrees of warmth from the unit and thus also exits the sampling point on the nozzle.
Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine gattungsgemäße Baueinheit für eine Heizungsanlage so auszubilden, dass eine bessere Temperatursteuerung des Brauchwassers ermöglicht wird.Against this background, 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.
Diese Aufgabe wird gemäß der Erfindung durch die in Anspruch 1 angegebenen Merkmale gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen, der nachfolgenden Beschreibung und der Zeichnung angegeben.This object is achieved according to the invention by the features specified in claim 1. Advantageous embodiments of the invention are specified in the subclaims, the following description and the drawing.
Die erfindungsgemäße Baueinheit für eine Heizungsanlage mit zwei Heizkreisen, einem für die Raumheizung und einem für die Erwärmung von Brauchwasser, weist ein Armaturen- und Pumpengehäuse auf, das zum Anschluss des Sekundärwärmetauschers ausgebildet ist, in welchem die Erwärmung des Brauchwassers erfolgt. Gemäß der Erfindung sind innerhalb der Baueinheit, nämlich innerhalb des Armaturen- und Pumpengehäuses Mittel zur Temperatursteuerung des Brauchwassers vorgesehen, die unabhängig von den außerhalb der Baueinheit befindlichen Heizungsanlagenteilen arbeiten.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. According to the invention, 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.
Grundgedanke der vorliegenden Erfindung ist es also, die Temperatursteuerung nicht nur wie beim Stand der Technik durch die Gaszufuhr des Brenners zu steuern, was stets außerhalb der Baueinheit erfolgt, sondern innerhalb der Baueinheit, nämlich innerhalb des Armaturen-und Pumpengehäuses Mittel zur Temperatursteuerung des Brauchwassers vorzusehen, die also innerhalb der Baueinheit liegen und damit von außerhalb der Baueinheit angeordneten Aggregaten unabhängig sind und somit vom Hersteller der Baueinheit montiert und fertig eingestellt werden können.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.
Um die Temperatur des aus der Baueinheit austretenden erwärmten Brauchwassers zu steuern, ist es gemäß einer Weiterbildung der Erfindung von besonderem Vorteil, wenn innerhalb der Baueinheit eine steuerbare Drosselstelle in der Brauchwasserleitung vorgesehen ist, mit welcher der Brauchwasserdurchfluss gezielt gesteuert werden kann. Durch die Möglichkeit der Steuerung der Brauchwassermenge kann die Temperatur des austretenden Brauchwassers gesteuert werden, auch ohne einen Eingriff in die Brennersteuerung. Es kann also ggf. auf eine Brennersteuerung, zumindest auf eine feinfühlige Brennersteuerung verzichtet werden, da dies über die Durchflusssteuerung, ggf. auch zusätzlich neben der Brennersteuerung erfolgen kann. Hierzu ist innerhalb der Baueinheit eine Drosselstelle vorgesehen, deren Strömungsquerschnitt einstellbar ist.In order to control the temperature of the emerging from the assembly heated service water, it is according to an embodiment of the invention is of particular advantage if 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. For this purpose, a throttle point is provided within the assembly, the flow cross-section is adjustable.
Vorteilhaft ist es, wenn statt einer reinen Steuerung eine Temperaturregelung vorgesehen wird. Dies kann in Weiterbildung der Erfindung dadurch erfolgen, dass innerhalb des Gehäuses in der vom Sekundär wärmetauscher abströmseitigen Brauchwasserleitung ein Temperatursensor angeordnet ist, dass im Weiteren innerhalb der Baueinheit eine elektronische Regelung vorgesehen ist, welcher das Signal des Temperatursensors zugeführt ist und die wiederum ein Stellsignal abgibt, welches für die Steuerung des Strömungsquerschnitts der Drosselstelle verantwortlich ist. Auf diese Weise kann innerhalb der Baueinheit ein geschlossener Regelkreis für die Temperatursteuerung des Brauchwassers vorgesehen werden.It is advantageous if a temperature control is provided instead of a pure control. This can be done in a further development of the invention in that within the housing in the secondary heat exchanger downstream DHW line 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.
Die steuerbare Drosselstelle kann grundsätzlich an beliebiger Stelle innerhalb der Brauchwasserleitung in der Baueinheit liegen, muss jedoch in Strömungsrichtung vor dem Temperatursensor angeordnet sein. Besonders zweckmäßig ist es, wenn die steuerbare Drosselstelle in Strömungsrichtung vor dem Sekundärwärmetauscher liegt.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.
Wenn, was heutzutage zum Stand der Technik zählt, das Armaturen-und Pumpengehäuse aus mindestens einem Armaturengehäuseteil und einem Pumpengehäuseteil aus Kunststoffspritzguss aufgebaut ist, dann ist es konstruktiv besonders günstig, die steuerbare Drosselstelle in einem Armaturengehäuseteil anzuordnen, welches an den Sekundärwärmetauscher anschließt.If what belongs to the state of the art today, 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 throttle point in a fitting housing part, which connects to the secondary heat exchanger.
Zur Ausbildung einer im Strömungsquerschnitt steuerbaren Drosselstelle ist eine Vielzahl von konstruktiven Möglichkeiten gegeben. Besonders vorteilhaft ist eine Konstruktion gemäß der Erfindung, bei der die Drosselstelle nach Art eines Schieberventils ausgebildet ist und der Schieber mittels eines außen am Gehäuse angeordneten Elektromotors in Achsrichtung verfahrbar ist, so dass je nach Stellung des Schiebers der Strömungsquerschnitt größer oder kleiner ist. Dabei ist es zweckmäßig, die Anordnung so auszulegen, dass der Strömungsquerschnitt nicht völlig geschlossen werden kann, sondern stets ein Mindestströmungsquerschnitt verbleibt, um auch im Falle eines Defektes noch eine ausreichende Durchströmung des Plattenwärmetauschers sicherzustellen. Die Ausbildung nach Art eines Schieberventils hat den Vorteil, dass nahezu kraftfrei der Strömungsquerschnitt gesteuert werden kann, dass auf Dichtmittel im Bereich des Strömungsquerschnitts völlig verzichtet werden kann und dass die diesbezüglichen Bauteile kostengünstig herstellbar bzw. in das Gehäuse integrierbar sind.To form a controllable in the flow cross-section throttle body 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.
Die schieberventilähnliche Ausbildung erlaubt darüber hinaus auch eine Weiterbildung dahingehend, dass auf der dem Motor abgewandten Seite des Schiebers ein Füllventil für die Heizungsanlage angeordnet werden kann, das zumindest in Öffnungsrichtung mittelbar oder unmittelbar durch den Schieber steuerbar ist. Es kann also, wenn die Steuerung des Strömungsquerschnittes nicht benötigt wird, der Schieber zur Steuerung des Füllventils verwendet werden, wodurch ein gesonderter Antrieb für das Füllventil entfallen kann. Da innerhalb des Gehäuses eine Leitungsführung für das Brauchwasser ohnehin vorhanden ist, bedarf es lediglich eines kurzen Überströmkanals, welcher es ermöglicht, mit Hilfe des darin eingegliederten Füllventils sowie eines weiterhin vorgesehenen Rückschlagventils den Heizkreis zu befüllen, wenn dies erforderlich sein sollte.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.
Vorteilhaft ist dabei das Füllventil so ausgebildet, dass es in Schließrichtung federkraftbeaufschlagt ist, so dass es in normaler Stellung geschlossen und lediglich bei Betätigung durch den Schieber geöffnet werden kann. Ein solches Füllventil ist vorteilhaft als Sitzventil ausgebildet, kann jedoch auch als Schieberventil ausgebildet sein.Advantageously, 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. Such a filling valve is advantageously designed as a seat valve, but may also be designed as a slide valve.
Soweit es die Steuerung des Füllventils angeht, ist es zweckmäßig, diese so auszugestalten, dass der Schieber erst beim Verfahren über die engste Drosselstelle hinaus den Ventilkörper des Füllventils öffnend ansteuert, dann ist sichergestellt, dass beim normalen Steuerungsbetrieb das Füllventil nicht angesteuert wird.As far as the control of the filling valve, it is expedient to design this so that the slider opens the valve body of the filling valve opening only during the process beyond the narrowest throttle point, then it is ensured that during normal control operation, the filling valve is not activated.
Da innerhalb des Armaturengehäuses die Leitungsführungen sehr eng beieinander liegen, kann eine Leitungsverbindung zwischen einer Brauchwasser führenden Leitung und einer Heizungswasser führenden Leitung ohne großen Aufwand vorgesehen werden. Es ist lediglich innerhalb der Baueinheit neben der Kanalverbindung ein Raum für das Füllventil sowie ein weiterer Raum für ein Rückschlagventil zu schaffen, welches ein Rückströmen von Heizungswasser zum Brauchwasser verhindert.Since the lines are very close together within the fitting housing, 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.
Vorteilhaft sind dem Rückschlagventil nachgeschaltet Mittel vorgesehen, welche ein Eindringen von Heizungswasser in den Brauchwasserkreis wirksam verhindern. Dazu ist zu bedenken, dass die einfache Sicherheit eines Rückschlagventils, das bis auf wenige Ausnahmen ständig geschlossen ist und somit nicht bewegt wird, möglicherweise nicht ausreicht, um die gegen das Eintreten von Heizungswasser in den Brauchwasserkreis erforderliche Sicherheit zu geben. Es ist daher gemäß einer Weiterbildung der Erfindung ein Überströmkanal vorgesehen, der an den Raum zwischen Füllventil und Rückschlagventil anschließt und diesen mit der Umgebung oder einer Abflussleitung verbindet. Dieser Überströmkanal stellt somit sicher, dass auch im Falle eines Defektes des Rückschlagventils sich am Füllventil heizungswasserseitig kein Druck aufbauen kann, sondern dieses dann ggf. abgeleitet wird, so lange, bis der Druck innerhalb des Heizkreises entsprechend abgefallen ist.Advantageously, 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.
Konstruktiv besonders günstig ist es, wenn der Schieber der Drosselstelle in einen Zylinder verfahrbar ist, der den quer dazu mündenden, zum Wärmetauscher führenden Kanal des entsprechenden Gehäuseteils schneidet. Eine solche Ausbildung ist werkzeugmäßig vorteilhaft und auch hinsichtlich der Anordnung besonders günstig, da sowohl der Schieber als auch der endseitig daran angeordnete und diesen verfahrende Motor an einer gut zugänglichen Stelle der Baueinheit angeordnet werden können, derart, dass sie in Einbaulage gut zugänglich und im Reparatur- bzw. Wartungsfall ohne Ausbau von Gehäuseteilen aus-und einbaubar sind. Die Anordnung des Motors erfolgt dabei vorteilhaft so, dass dieser oberhalb des Wärmetauschers zur Erwärmung des Brauchwassers angeordnet ist, also dort, wo regelmäßig ein Freiraum innerhalb der Anlage gebildet ist.It is particularly advantageous in terms of design if 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.
Die Erfindung ist nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:
- Fig. 1
- ein Schaltbild einer Heizungsanlage,
- Fig. 2
- in perspektivischer Ansicht in Einbaulage eine Baueinheit einer Heizungsanlage gemäß
Fig. 1 , - Fig. 3
- in vergrößerter Darstellung eine perspektivische Ansicht eines bestückten Gehäusebauteils der Baueinheit gemäß
Fig. 2 , - Fig. 4
- einen Schnitt des Gehäusebauteils nach
Fig. 3 durch die Ebene A-A-A-A in einer ersten Stellung, - Fig. 5
- die Schnittdarstellung gemäß
Fig. 4 in einer zweiten Stellung, - Fig. 6
- einen Schnitt des in
Fig. 3 dargestellten Gehäusebauteils längs der Schnittebene B-B-B-B in einer ersten Stellung und - Fig. 7
- die Schnittdarstellung nach
Fig. 6 in einer zweiten Stellung.
- Fig. 1
- a circuit diagram of a heating system,
- Fig. 2
- in perspective view in installation position a structural unit of a heating system according to
Fig. 1 . - Fig. 3
- in an enlarged view a perspective view of a populated housing component of the assembly according to
Fig. 2 . - Fig. 4
- a section of the housing component after
Fig. 3 through the AAAA level in a first position, - Fig. 5
- the sectional view according to
Fig. 4 in a second position, - Fig. 6
- a section of the in
Fig. 3 shown housing component along the cutting plane BBBB in a first position and - Fig. 7
- the sectional view to
Fig. 6 in a second position.
Die anhand von
Wie aus
Eine solche Baueinheit 12, wie sie typischerweise für so genannte wandmontierbare Gasthermen vorgesehen ist, ist in
Die in
Um die Menge des die Baueinheit 12 durchströmenden Brauchwassers zu steuern, was für die eingangs beschriebene Temperaturregelung vorgesehen ist, ist eine in ihrem Strömungsquerschnitt veränderbare Drosselstelle 32 in dem Gehäusebauteil 23 vorgesehen. Das Gehäusebauteil 23 weist einen in Einbaulage (gemäß
Innerhalb des Rohrabschnitts 36 ist ein Schieber 37 in Achsrichtung verfahrbar gelagert, der einen den Innenraum des Rohrabschnitts 36 abschnittsweise und im Querschnitt vollständig ausfüllenden Zylinder 38 an seinem Ende aufweist. Im Übrigen ist der Schieber 37 stangenförmig ausgebildet, im oberen Teil des Rohrabschnitts 36 über eine Dichtung 39 abgedichtet und der dort befindlichen Antriebseinheit 40 gelagert, welche einen Elektromotor zum Verfahren des Zylinders 38 innerhalb des Rohrabschnitts 36 aufweist.Within the
Wenn der Schieber 37 in seiner oberen Endstellung befindlich ist, dann ist der Durchfluss vom Raum 34 zum Kanal 35 vollständig geöffnet. Mit zunehmender Abwärtsbewegung wird jedoch der Verbindungsquerschnitt mehr und mehr verkleinert. In der anhand der
In diesem Bereich, in dem der Zylinder 38 ganz nach oben gefahren ist, bis zu dem Bereich, in dem er den Durchgang zum Kanal 35 großteils verschließt, liegt der für die Temperaturregelung vorgesehene Stellbereich des Schiebers. Die Temperaturregelung selbst ist im Klemmenkasten 17 des Motors 16 angeordnet und weist darüber hinaus noch einen im Gehäusebauteil 21 vorgesehenen Temperatursensor 49 auf, welcher die Temperatur des aus dem Plattenwärmetauscher 6 austretenden erwärmten Brauchwassers erfasst. Durch Steuerung der Drosselstelle 32, also durch elektromotorisches Verfahren des Schiebers 37 innerhalb des Rohrabschnitts 36 wird die Menge des dem Plattenwärmetauscher 6 durchströmenden Brauchwassers gesteuert und somit die Temperatur des austretenden, erwärmten Brauchwassers geregelt.In this area, in which the
Der Rohrabschnitt 36 ist nach unten über den Kanal 35 hinaus verlängert und dort als Führung für einen Ventilkörper 41 eines Füllventils 42 ausgebildet. Das Füllventil 42 ist als Schieberventil ausgebildet. Der Schieber und Ventilkörper 41 ist mittels einer endseitig im Gehäuse festgelegten Schraubenfeder 43 in Schließrichtung kraftbeaufschlagt. Die anhand der
Um das Füllventil 42 öffnend anzusteuern, muss der Schieber 37 mittels des Elektromotors 38 über seine maximale Drosselstellung hinaus verfahren werden, bis die freie Stirnseite des Zylinders 38 an der gegenüberliegenden Stirnseite des Ventilkörpers 41 zur Anlage kommt. Wenn dann der Schieber 37 weiter entgegen der Kraft der Schraubenfeder 43 bewegt und der Ventilkörper 41 nach unten geschoben wird, entsteht um den Ventilkörper herum eine Kanalverbindung zwischen dem im Raum 34 anstehenden Brauchwasser und einem Querkanal 44, an den ein Rückschlagventil 45 anschließt und der in einem Anschluss 46 mündet, welcher zur Verbindung mit dem Heizkreis des Primärwärmetauschers 1 vorgesehen ist. Wenn also der Schieber 37 in die anhand der
Um sicherzustellen, dass auch selbst dann, wenn das Rückschlagventil 45 defekt sein sollte, kein Heizwasser in die Brauchwasser führende Leitung gelangt, ist der Querkanal 44 mit dem die Feder 43 und den unteren Teil des Ventilkörpers 41 aufnehmenden Raum leitungsverbunden. Dieser Raum ist durch eine zentrale Ausnehmung 47 in dem die Feder 43 abstützenden Deckel 48 geöffnet, so dass hier eintretendes Wasser nach außen in die Umgebung abgeführt wird und somit nicht in die Brauchwasserleitung gelangen kann. Hier kann ggf. eine zum einen Abfluss führende Leitung angebracht sein.To ensure that even if the
- 1 -1 -
- PrimärwärmetauscherPrimary heat exchanger
- 2 -2 -
- Brennerburner
- 3 -3 -
- Umwälzpumpecirculating pump
- 4 -4 -
- 3/3-Wegeventil3/3-way valve
- 5 -5 -
- Überströmleitungoverflow
- 6 -6 -
- Wärmetauscherheat exchangers
- 7 -7 -
- Heizkörperradiator
- 8 -8th -
- BrauchwasserleitungWater pipe
- 9 -9 -
- WarmwasserleitungHot water pipe
- 10 -10 -
- RückführleitungReturn line
- 11 -11 -
- RückführleitungReturn line
- 12 -12 -
- Baueinheitunit
- 13 -13 -
- PumpengehäuseteilPump housing part
- 14 -14 -
- Schnellentlüftervent
- 15 -15 -
- Druckstutzenpressure port
- 16 -16 -
- Elektromotorelectric motor
- 17 -17 -
- Klemmenkastenterminal box
- 18 -18 -
- Armaturengehäuseteil, linksseitigValve body part, left side
- 19 -19 -
- Armaturengehäuseteil, rechtsseitigValve body part, right side
- 20 -20 -
- Gehäusebauteil von 18Housing component of 18
- 21 -21 -
- Gehäusebauteil von 18Housing component of 18
- 22 -22 -
- Gehäusebauteil von 19Housing component of 19
- 23 -23 -
- Gehäusebauteil von 19Housing component of 19
- 26 -26 -
- Anschlussconnection
- 27 -27 -
- Anschluss für HeizungsvorlaufConnection for heating flow
- 28 -28 -
- Anschluss für Brauchwasser, warmConnection for hot water, warm
- 29 -29 -
- Anschluss für Brauchwasser, kaltConnection for hot water, cold
- 30 -30 -
- Anschluss für HeizungsrücklaufConnection for heating return
- 31 -31 -
- Anschluss zum PrimärwärmetauscherConnection to the primary heat exchanger
- 32 -32 -
- Drosselstellerestriction
- 33 -33 -
- Deckelcover
- 34 -34 -
- Raumroom
- 35 -35 -
- Kanalchannel
- 36 -36 -
- Rohrabschnittpipe section
- 37 -37 -
- Schieberpusher
- 38 -38 -
- Zylindercylinder
- 39 -39 -
- Dichtungpoetry
- 40 -40 -
- Antriebseinheitdrive unit
- 41 -41 -
- Ventilkörpervalve body
- 42 -42 -
- Füllventilfilling valve
- 43 -43 -
- Schraubenfedercoil spring
- 44 -44 -
- QuerkanalQuerkanal
- 45 -45 -
- Rückschlagventilcheck valve
- 46 -46 -
- Anschluss zum Befüllen des HeizkreisesConnection for filling the heating circuit
- 47 -47 -
- Ausnehmungrecess
- 48 -48 -
- Deckelcover
- 49 -49 -
- Temperatursensortemperature sensor
Claims (11)
- A construction unit (12) for a heating installation with two heating circuits, one for room heating and one for heating service water, with a fittings and pump housing (13, 18, 19) which is constructed from at least one fittings housing part (18, 19) and of a pump housing part (13) of plastic injection moulding, wherein the fittings and pump housing (18, 19) is designed for the connection of a secondary heat exchanger (6) for heating the service water, characterised in that means for the temperature control (32, 40, 49) of the service water are provided within the fittings and pump housing (13, 18, 19), said means comprising a controllable throttle location (32) in the flow cross section in the service water conduit, and that a temperature sensor (49) is arranged within the fittings and pump housing (13, 18, 19) in the service water conduit which is downstream of the secondary heat exchanger (6), the signal of said temperature sensor being led to an electronic control (17) which controls the flow cross section of the throttle location (32).
- A construction unit according to claim 1, characterised in that the controllable throttle location (32) is arranged in a fittings housing part (19) to which the secondary heat exchanger (6) connects.
- A construction unit according to one of the preceding claims, characterised in that the throttle location (32) is designed in the manner of a slide valve, and the slide (37) can be displaced in the axis direction by way of an electric motor (40) arranged outside on the housing.
- A construction unit according to one of the preceding claims, characterised in that a filling valve (42) for the heating installation and which can be impinged at least in the opening direction directly or indirectly by the slide (37), is arranged on the side of the slide (37) which is away from the drive (40).
- A construction unit according to one of the preceding claims, characterised in that the valve body (41) of the filling valve (42) is impinged by spring force in the closure direction.
- A construction unit according to one of the preceding claims, characterised in that the valve body (41) of the filling valve (42) is activated to open on displacing the slide (37) beyond its narrowest throttle location.
- A construction unit according to one of the preceding claims, characterised in that a conduit connection between a conduit (34) leading service water and a conduit (46) leading heating water is formed in the opened position of the filling valve (42), wherein a non-return valve (45) which prevents a backflow of heating water to service water is provided within the fittings housing part (19).
- A construction unit according to one of the preceding claims, characterised in that means (47) which prevent a penetration of heating water into the service water circuit are arranged downstream of the non-return valve (45).
- A construction unit according to one of the preceding claims, characterised in that an overflow channel which connects the space (44) behind the non-return valve (45) to the surroundings or to a drainage device is provided in the closure position of the filling valve (42).
- A construction unit according to one of the preceding claims, characterised in that the slide (37) of the throttle location (32) can be displaced in a cylinder (36) which intersects the channel (5) which runs out transversely thereto and which leads to the heat exchanger (6).
- A construction unit according to one of the preceding claims, characterised in that the motor (40) controlling the slide (37) is arranged above the heat exchanger (6) for heating the service water.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06015791T PL1884720T3 (en) | 2006-07-28 | 2006-07-28 | Assembly for a compact heating installation |
EP06015791.4A EP1884720B1 (en) | 2006-07-28 | 2006-07-28 | Assembly for a compact heating installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06015791.4A EP1884720B1 (en) | 2006-07-28 | 2006-07-28 | Assembly for a compact heating installation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1884720A1 EP1884720A1 (en) | 2008-02-06 |
EP1884720B1 true EP1884720B1 (en) | 2016-01-13 |
Family
ID=37102068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06015791.4A Not-in-force EP1884720B1 (en) | 2006-07-28 | 2006-07-28 | Assembly for a compact heating installation |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1884720B1 (en) |
PL (1) | PL1884720T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105042673A (en) * | 2015-07-02 | 2015-11-11 | 赖海荣 | Space heater |
CN110701787A (en) * | 2019-10-31 | 2020-01-17 | 广州迪森家居环境技术有限公司 | Gas wall-mounted boiler and quick hot water assembly thereof |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2093516B1 (en) * | 2008-02-22 | 2011-04-27 | Grundfos Management A/S | Component for a compact heating system |
EP2093517B1 (en) * | 2008-02-22 | 2014-01-15 | Grundfos Management A/S | Component for a compact heating system |
ATE520934T1 (en) * | 2008-02-22 | 2011-09-15 | Grundfos Management As | PARTIAL UNIT FOR A COMPACT HEATING SYSTEM |
EP2397777B1 (en) * | 2010-06-19 | 2016-08-03 | Grundfos Management A/S | Housing unit for a heating system |
KR101639188B1 (en) * | 2014-11-19 | 2016-07-13 | 주식회사 경동나비엔 | Boiler having check valve integrated water pipe conduit |
CN105180256B (en) * | 2015-08-21 | 2018-05-15 | 张青林 | Oily hot type heating hot water burnt gas wall hanging furnace |
KR101749062B1 (en) * | 2015-12-07 | 2017-06-20 | 주식회사 경동나비엔 | Three way valve |
WO2017179098A1 (en) * | 2016-04-11 | 2017-10-19 | 三菱電機株式会社 | Heat storage device |
DE102021208121A1 (en) * | 2021-07-28 | 2023-02-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Heater with a bypass line and device for a heater |
WO2024105026A1 (en) * | 2022-11-14 | 2024-05-23 | Grundfos Holding A/S | Method and system for controlling a flow of fluid in a mixing loop |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT398857B (en) * | 1991-10-31 | 1995-02-27 | Vaillant Gmbh | METHOD FOR CONTROLLING A HEATING DEVICE AND HEATING DEVICE FOR IMPLEMENTING THE METHOD |
DE19632604A1 (en) * | 1996-08-13 | 1998-02-19 | Wilo Gmbh | Filling device for hydraulic assembly |
DE19802362C2 (en) * | 1998-01-22 | 2000-08-03 | Wolf Gmbh | Process and device for reducing the waiting time for drawing off hot domestic water |
FR2813950B1 (en) * | 2000-09-14 | 2002-11-15 | Chaffoteaux Et Maury | HYDRAULIC DISTRIBUTOR VALVE FOR A SYSTEM FOR PRODUCING HOT HEATING WATER AND DOMESTIC HOT WATER |
ATE397737T1 (en) * | 2003-11-03 | 2008-06-15 | Grundfos As | UNIT FOR A COMPACT HEATING SYSTEM |
ITPC20050016A1 (en) * | 2005-04-04 | 2006-10-05 | Hermann S R L | BOILER WITH DEVICES FOR OPTIMIZING SANITARY HOT WATER SUPPLY AND ITS METHOD |
-
2006
- 2006-07-28 PL PL06015791T patent/PL1884720T3/en unknown
- 2006-07-28 EP EP06015791.4A patent/EP1884720B1/en not_active Not-in-force
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105042673A (en) * | 2015-07-02 | 2015-11-11 | 赖海荣 | Space heater |
CN110701787A (en) * | 2019-10-31 | 2020-01-17 | 广州迪森家居环境技术有限公司 | Gas wall-mounted boiler and quick hot water assembly thereof |
Also Published As
Publication number | Publication date |
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PL1884720T3 (en) | 2016-08-31 |
EP1884720A1 (en) | 2008-02-06 |
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