EP1209425A2 - Gasboiler or condensing gas boiler - Google Patents

Abstract

Gas boiler (10) or gas condensing boiler comprises at least two modules consisting of a first module having a device frame (13) and a second module having a combustion chamber housing. An Independent claim is also included for the mounting of the gas boiler on a wall. Preferred Features: The second module hangs inside the first module. The modules have approximately the same weight. The individual modules have mechanical, hydraulic and electrical interfaces which correspond to/complement each other to combine the modules to produce the end device. The interfaces are easily accessible from the outside due to the positioning of the device components.

Description

The invention relates to a gas boiler or gas condensing boiler according to claim 1.

Such a gas boiler or gas condensing boiler has one thermal source based on gas, especially liquefied petroleum gas or natural gas. The thermal source is usually housed in a combustion chamber housing, and includes an integrated burner, gas supply and one Combustion chamber and devices for supplying combustion air and Evacuation. The one generated by the thermal source thermal energy is supplied to a heat exchanger, which for heating a liquid medium, such as Heating water is used. The heating heat exchanger has a preliminary and Return connection for supplying to be heated and discharged of heated water. In addition to these components, one includes Gas heater still a variety of other hydraulic elements like an expansion tank, one or more pumps, at least a valve and one or more heat exchangers. The regulation and control of the gas boiler is preferably carried out electrically or electronically.

Gas heaters of the aforementioned type can, for example, in suitable execution in single and / or multi-family houses be used to supply heating and / or domestic water heat. In the assembled state, the gas heaters are due Their heavy weight and unfavorable dimensions make it difficult to handle, in particular to assemble. For assembly are therefore usually two people required. Most of all, it is Maintenance and especially the expansion tank expansion as well as the cleaning and rinsing of the heat exchanger consuming. In addition, maintenance is restricted by the limited space difficult, for example if the gas boiler in one Kitchen cabinet is installed.

The object of the present invention is therefore a gas boiler or propose gas condensing boilers that are easy to assemble (1-man assembly) and is maintainable.

This task is done by a gas boiler or gas condensing boiler solved with the features of claim 1. preferred Refinements of the gas boiler are the dependent claims removable.

The core of the invention is a modular construction of the gas boiler or gas condensing boiler (hereinafter also called thermal bath designated). According to the invention, the thermal bath comprises at least two Modules that house different components. On first module comprises a device frame, while a second Module has a combustion chamber housing. By dividing the Components of the thermal bath on different modules can be assemble them more easily. For example, the first module with the device frame on a wall and then the second module the first module to be hung on the wall. The maintenance of the thermal bath according to the invention is reversed simplified: the entire thermal spa does not have to be dismantled, but only removed the second module from the first module be, so that the components of the spa to be maintained easily are reachable.

The second module can preferably be hooked into the first module. As a result, the thermal bath can be easily removed from one Person can be assembled, reducing the time and effort for assembly is significantly reduced.

In a preferred embodiment of the thermal bath, the modules have each about the same weight, especially about 25 kg. With such a weight, each module is by one (Strong) person manageable.

The individual modules show for easy assembly mechanical, hydraulic and electrical interfaces, that facilitate the (dis) assembly of the thermal bath. For this are the mechanical, hydraulic and electrical interfaces and corresponding interface components are designed such that the interfaces of a module with the interfaces correspond to another module; in other words the interfaces of different modules complement each other educated. Finally, the interfaces should preferably from the outside through device parts arranged on the modules be freely accessible, i.e. the interfaces should be in a module can be arranged so that complementary Interfaces without disabilities, for example through hoses, Cables, pipes or similar module elements are covered or are disabled.

The interfaces preferably include hydraulic ones Coupling elements, housing connecting elements and / or electrical Coupling elements. The hydraulic coupling elements form in assembled state of the modules a hydraulic Connection between the modules and couple, for example Gas and / or water pipes. The electrical coupling elements include connectors or strips, for example. To the The modules can be mechanically fixed together mechanical coupling elements hooks, mounting plates or include slots for engaging hooks.

The hydraulic coupling elements are preferably part of supply and return pipes of the modules to be connected to each other educated. The supply and return pipes of each module point for this purpose shut-off valves, which means that the maintenance and service Therme emptying, filling and venting are not necessary. to Disassembly of the modules is sufficient to close the front and Return pipes of the modules using the shut-off valves. hereby the maintenance time of the thermal bath will be noticeably reduced.

In a preferred embodiment of the thermal bath, the first one Module hydraulic elements arranged in the device frame are. The hydraulic elements include in particular at least an expansion tank, one or more pumps, at least one. Valve and / or one or more process water heat exchangers. In the first module can also have at least one Have control and regulation element that for easy Assembly and disassembly of the thermal system can be installed in the device frame is. The control and regulating element is preferably included Ironing can be hung in the device frame of the first module. This is particularly advantageous for the maintenance of the thermal baths, because that Control and regulation element in the assembled state in particular the hydraulic elements mounted and arranged in the first module at least partially covered and a maintenance difficult. To make it easier for those of the control element hidden hydraulic elements can then come the control and regulation element unhooked on the brackets become.

The second module, especially after wall mounting of the first module can be attached to it, points in a preferred embodiment at least one burner, at least one gas supply, one or more combustion chambers, at least one heat exchanger with flow and return connection, one or more blowers with drive and / or at least one further air / exhaust gas routing component. If the gas boiler is intended for a condensing boiler, it also includes one or more condensate and / or condensate drainage elements. These are preferred housed in a module that also contains the heat exchanger is mounted.

1. Das erste Modul wird an der Wand montiert, vorzugsweise verschraubt.

2. Das zweite und gegebenenfalls weitere Module wird bzw. werden in das erste Modul eingehängt und mit diesem hydraulisch und/oder elektrisch über die hydraulischen bzw. elektrischen Koppelelemente gekoppelt.

3. Schließlich werden die Module durch Gehäuseverbindungselemente mechanisch miteinander verbunden. Dies kann beispielsweise durch eine Schraub-, Klemm- und/oder Schnappverbindung erfolgen.

4. Abschließend können die zu der Therme montierten Module durch ein gemeinsames Gehäuse abgedeckt werden, um insbesondere die elektrischen Komponenten der Therme vor Spritzwasser und/oder Feuchtigkeit und hydraulischen Komponenten insbesondere vor Schmutz und Staub zu schützen.

The procedure for installing the gas boiler according to the invention on a wall is as follows:

1. The first module is mounted on the wall, preferably screwed.

2. The second and possibly further modules are or are hooked into the first module and hydraulically and / or electrically coupled to it via the hydraulic or electrical coupling elements.

3. Finally, the modules are mechanically connected to one another by housing connecting elements. This can be done for example by a screw, clamp and / or snap connection.

4. Finally, the modules assembled to the thermal bath can be covered by a common housing, in particular to protect the electrical components of the thermal bath from splash water and / or moisture and hydraulic components, in particular from dirt and dust.

Fig. 1

ein Ausführungsbeispiel eines ersten Moduls der erfindungsgemäßen Gasbrennwerttherme;

Fig. 2a

ein Ausführungsbeispiel eines zweiten Moduls der erfindungsgemäßen Gasbrennwerttherme;

Fig. 2b

das in Figur 2a abgebildete zweite Modul in perspektivischer Seitenansicht;

Fig. 2c

das in Figur 2a abgebildete zweite Modul in perspektivischer Ansicht von unten;

Fig. 3a

in Detailansicht hydraulische Koppelelemente des in Figur 1 dargestellten ersten Moduls;

Fig. 3b

in Detailansicht hydraulische und elektrische Schnittstellen zwischen dem ersten und dem zweiten Modul, wobei das zweite Modul an das erste Modul montiert ist; und

Fig. 4

die vollständig montierte erfindungsgemäße Gastherme als Endgerät.

Further advantages and possible uses of the invention result from the following description of an exemplary embodiment of a gas condensing boiler according to the invention in conjunction with the drawings. These show:

Fig. 1

an embodiment of a first module of the gas condensing boiler according to the invention;

Fig. 2a

an embodiment of a second module of the gas condensing boiler according to the invention;

Fig. 2b

the second module shown in Figure 2a in perspective side view;

Fig. 2c

the second module shown in Figure 2a in a perspective view from below;

Fig. 3a

in detail view hydraulic coupling elements of the first module shown in Figure 1;

Fig. 3b

in detail view hydraulic and electrical interfaces between the first and the second module, the second module being mounted on the first module; and

Fig. 4

the fully assembled gas boiler according to the invention as a terminal.

In Figure 1 is a first module 11 of an embodiment represented the gas condensing boiler according to the invention. In one Device frame 13 of the first module 11 is an expansion vessel and hot water heat exchanger 20 mounted. Below the expansion tank and hot water heat exchanger 20 are located hydraulic and electrical components of the gas boiler. Here are in particular a gas pipeline 15, a flow line 16 for domestic water and a circulation pump 17 to mention.

On the device frame 13 below the expansion tank and Process water heat exchanger 20 are two brackets 18 and 18 ' Bracket of a control and regulation element 19 mounted. One bracket 18 or 18 'is on one of two Main beams of the device frame 13 mounted. The tax and Control element 19 is pivotable on the brackets 18 and 18 ' stored. As a result, the control and regulating element 19 can Maintenance of the electrical, hydraulic components of the first Module 11 are pivoted away to the front. On the two Main (lateral) supports of the device frame 13 are also each have a mounting plate 21 or 21 'and slots 22 for Assembly of a second, shown in Figures 2a-2c second module 12 is provided.

The second module 12 is shown in FIG. 2a from the front shown perspective view. It houses one Combustion chamber and a heat exchanger 21 (neither visible because it is covered by the module housing). At the Bottom is a condensate drain pipe 26 made of plastic assembled. Figure 2b shows the second module 12 in one side perspective view, creating at the back of the Module for mounting on the first module, more precisely on Device frame 13 of the first module 11, provided hanging and Mounting strips 28 and 28 'can be seen. At the back of the second module 12 is also a copper water pipe 27 appropriate. In Figure 2c, the second module 12 is in Perspective view shown from below. In this Different connections or interfaces to the Coupling to the first module 11 can be seen: With the reference symbol 24 is a flow coupling called, over the hot water in the second module 12, especially in the heat exchanger 23 of the second module 12 is initiated; to the right of it is a corresponding return water connection with coupling 25 to Drain the heated water arranged. Finally is the condensate drain pipe 26 can still be seen.

FIG. 3a shows a detail of FIG. 1 on the left below the expansion tank and process water heat exchanger 20 to the hydraulic interfaces of the to present the first module 11 in more detail. For one, it is Flow line 16 for process water with a union nut 16 ' and on the other hand to recognize the gas pipeline 15. Both the Union nut 16 'as well as the gas line open at one end 15 form interfaces for coupling to correspondingly complementary ones Interfaces of the second module 12.

Figure 3b shows the coupled state of the interfaces. The union nut 16 'of the flow line 16 of the first module 11 is with a complementary forward coupling 24 'of the second Screwed module. Furthermore, the gas pipeline 15 is the first Module 11 by a locking device 15 'with a corresponding complementary interface for gas of the second Module 12 coupled. There is also an electrical connector 29 as the electrical interface between the first and second module 11 and 12 respectively.

Figure 4 shows the fully assembled to a terminal Gas heater 10 from an angle in front in a perspective view. The Combustion chamber and the heat exchanger 23 of the second module 12 are screwed onto the device frame 13 of the first module 11. The Control and regulating element 19 is for operating the device folded back and at least partially covers the hydraulic and electrical components of the gas boiler. On the device frame can still be a (not shown) Cover made of plastic, metal or similar materials be attached. For this purpose, the cover hood is attached to the Device frame provided slots 22 hooked in and with the Screwed device frame.

For mounting the gas boiler 10, for example, on a wall first mounted the first module 11 on the wall. For this, the Device frame, for example by means of a screw connection attached to the wall. Then the second module 12 into the first Module hooked, especially the hydraulic Interfaces (flow line 16 and gas pipeline 15 as well Return water connection 25) of both modules can be coupled. to The control element is facilitated coupling 19 folded forward as shown in Figure 1. Thereby the hydraulic, electrical and mechanical interfaces the Gastherme 10 easily accessible. After all hydraulic Components are coupled, the electrical components interconnected and the second module 12 if necessary by means of a screw connection, a clamp connection or a snap connection to the first module 11. Now can (not shown) stopcocks on the front and Return pipes of each module to close the hydraulic Open circuit and the control and regulation element 19th be folded up. Finally, a cover for a common housing to cover the two modules on Device frame 13 of the first module 11 are mounted.

Conversely, only the cover or that has to be dismantled common housing removed, the control element 19 folded forward and the stopcocks on the fore and aft Return lines are closed. This eliminates one Emptying, filling and venting the combustion chamber in particular and the heat exchanger 23 of the second module 12. Finally, any screw connections of the hydraulic and mechanical interfaces of the modules be solved. Likewise, electrical interfaces, so for example, electrical connectors, separated. Then the second module 12 can be suspended from the first module 11. Maintenance of the two modules is now very easy possible. In addition, the accessibility of the hydraulic, electrical and mechanical components of both modules clearly improved. Finally, it should be mentioned that the first module 11 for maintenance cannot be removed from the wall got to.

The two modules have approximately the same weight, so that the installation of the gas boiler essentially by one person is feasible. In the illustrated embodiment of the Gas boiler is the weight of the first and second module 11, 12 each about 25 kg. The one housed in the second module 12 Heating heat exchanger is simple due to the mentioned Disassembly very easy to clean and flush because the second Module 12, in particular the combustion chamber housing with combustion chamber and Heat exchanger 23 are easier to transport.

Overall, the gas boiler according to the invention therefore offers the Advantage of easier assembly, in particular from one Person is feasible, improved accessibility too hydraulic components of the gas boiler during maintenance, one simplified removal and easier maintenance of the first Module housed expansion tank, a simple Cleaning and flushing the heat exchanger, which is in the second module is located, as well as a reduced expenditure of time for assembly and service.

reference numeral

10

gas water heater

11

first module

12

second module

13

implement frame

14

Combustion chamber housing

15

Gas pipeline

15 '

complementary gas pipeline coupling

16

supply line

16 '

Nut

17

circulating pump

18

hanger

18 '

hanger

19

Control and regulation element

20

Expansion tank and process water heat exchanger

21

mounting plate

21 '

mounting plate

22

slot

23

Combustion chamber and heat exchanger

24

Flow coupling

24 '

complementary advance coupling

25

Return water connection with coupling

26

Condensate drain pipe

27

water pipe

28

Hanging and assembly bar

29

electrical connector

Claims (11)

Gas boiler (10) or gas condensing boiler,
marked by
at least two modules (11, 12), whereby a first module (11) a device frame (13) and a second module (12) has a combustion chamber housing. Gas boiler according to claim 1,
characterized in that
the second module (12) can be hooked into the first module (11). Gas boiler according to claim 1 or 2,
characterized in that
the modules (11, 12) each have approximately the same weight. Gas boiler according to one of the preceding claims,
characterized in that
the individual modules (11, 12) have mechanical, hydraulic and electrical interfaces which correspond to one another or are complementary to one another to standardize the modules for the terminal and which are freely accessible from the outside by the device parts arranged in the modules. Gas heater according to claim 4,
characterized in that
the interfaces hydraulic coupling elements (16 '), housing connecting elements (21, 21', 22) and / or electrical coupling elements (29) have hydraulic, mechanical and / or electrical connections. Gas boiler according to claim 4 or 5,
characterized in that
the hydraulic coupling elements (16 ') are part of the supply and return pipes (16) of the modules which are to be connected to one another, the supply and return pipes of each module having stopcocks. Gas boiler according to one of the preceding claims,
characterized in that
the first module (11) has hydraulic elements (15, 16) arranged in the device frame (13), in particular at least one expansion vessel (20), one or more pumps (17), at least one valve and / or one or more process water heat exchangers (20) , Gas boiler according to one of the preceding claims,
characterized in that
the first module (11) has at least one control and regulating element (19) which can be mounted in the device frame (13), in particular with clips (18, 18 '). Gas boiler according to one of the preceding claims,
characterized in that
the second module (12) at least one burner, at least one gas supply, one or more combustion chambers (23), at least one heating heat exchanger (23) with flow and return connection (24, 25), one or more fans with drive and / or at least one has further air / exhaust gas routing components. Gas boiler according to one of the preceding claims,
characterized in that
one or more condensate guide and / or condensate drainage elements (26) are also provided for a condensing boiler operation. Mounting a gas boiler according to one of the preceding claims on a wall, wherein first the first module (11) is mounted on the wall, then the second and possibly further modules (12) are hooked into the first module and hydraulically and / or electrically coupled to it via the hydraulic or electrical coupling elements, the modules (11, 12) are then mechanically connected to one another by the housing connecting elements (21, 21 ', 22), ultimately the modules (11, 12) are covered by a common housing.

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