EP0574820A1 - Arrangement et procédé pour le montage d'un chauffe-eau instantané électrique - Google Patents
Arrangement et procédé pour le montage d'un chauffe-eau instantané électrique Download PDFInfo
- Publication number
- EP0574820A1 EP0574820A1 EP93109271A EP93109271A EP0574820A1 EP 0574820 A1 EP0574820 A1 EP 0574820A1 EP 93109271 A EP93109271 A EP 93109271A EP 93109271 A EP93109271 A EP 93109271A EP 0574820 A1 EP0574820 A1 EP 0574820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- heating section
- hot water
- cold water
- housing
- 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
Links
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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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
- F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
- F24H1/103—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance with bare resistances in direct contact with the fluid
-
- 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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/139—Continuous flow heaters
Definitions
- the invention relates to an arrangement and a method for assembling an electric instantaneous water heater, which has an essentially box-shaped housing with at least one control button attached to the edge of a front panel and a heating cable connected to a cold water inlet and a hot water outlet.
- instantaneous water heaters have fixed inlets and outlets either on the underside or on the back.
- the installation pattern on the instantaneous water heater corresponds to the wall connection pattern of the hot and cold water connections.
- the hot water connection is on the right and the cold water connection is at a predetermined distance from the hot water connection on the left.
- Instantaneous water heaters are usually mounted on a wall as close as possible to the associated tap (s).
- the control button When installing the upper table, the control button must be at an accessible height for the user. It is therefore regularly arranged near the lower edge of the housing, where it can be reached even by short people. For visual or aesthetic reasons, mounting under-counter electric instantaneous water heaters is increasingly preferred.
- connection pattern of conventional instantaneous water heaters generally only allows the "instantaneous" heater to be positioned “upright", the control button being located at the bottom of the device.
- Even transverse installation is possible with conventional devices and assembly arrangements, at most with the interposition of adapters that increase the construction volume.
- the invention is therefore based on the object of expanding the installation options of the instantaneous water heater in order to satisfy both optical and aesthetic as well as ergonomic needs.
- this object is achieved in that a flexible line is integrated into the water path between the cold water inlet and the heating section and / or between the heating section and hot water outlet; and that cold water inlet and / or hot water outlet can be connected in a variable position to an externally predetermined water connection pattern, the movement between the fixed heating section and inlet and outlet being provided by the flexible lines when they are connected to the water connection pattern.
- this object is achieved in that a flexible line between the cold water inlet and heating section and / or between the heating section and hot water outlet is integrated into the water path, that the housing of the instantaneous water heater is then brought into a suitable position for the wall connection pattern and hot water outlet and cold water inlet connected to the associated hot water and cold water connections of the water connection pattern if necessary, using the movement play of the flexible lines to compensate for differences in position.
- the instantaneous water heater housing and thus of the control button is thereby independent of the given wall connection pattern.
- the electric instantaneous water heater can be installed by the installer at the point and in the connection position that the customer desires for optical, aesthetic and / or ergonomic reasons.
- the invention provides that the cold water inlet and hot water outlet of the electric instantaneous water heater are placed in this way and with the cold water and hot water connections of the wall-side water connection pattern are connected that the control button is on a level adapted to the hot water tap and is therefore ergonomically operable.
- the control button is therefore placed as close as possible to the lower edge (as with conventional heating devices) when installing on an upper table and close to the upper edge (as opposed to conventional installation) when it is installed under a table.
- the control button is arranged near a corner of a square front panel. For ergonomic reasons, this corner is then arranged adjacent to the hot water tap.
- the box-shaped housing consists of a lower part carrying the heating section and a hood carrying the control button and the front plate, which can be connected to the lower part in a positive and / or non-positive manner by means of two locally separated connecting devices is; that the lower part is fixed; and that the two connecting devices are arranged axially symmetrically both on the hood and on the lower part such that the hood can be mounted on the lower part in two positions rotated by 180 ° about the axis.
- drip water protection is also guaranteed, which was previously only possible Instantaneous water heaters with a single predetermined relative position of the hood and lower part was possible.
- a spring-loaded check valve is preferably arranged on the cold water side of the heating section in such a way that it prevents water from flowing back into the cold water connection.
- the spring load makes the function of the check valve independent of the respective mounting position of the device.
- Weight-loaded check valves which are usually used in conventional electric heaters, can only function in an "upright" position of the heater.
- the universal installation option makes it possible to give the electric heater a housing shape similar to conventional bathroom furniture elements and to integrate the device as a module in a system wall.
- the heater can be used as a mirror element if its front plate is mirrored.
- the instantaneous water heater 1 shown in FIG. 1 has the following essential functional elements: cold water inlet 2 ', a first flexible line 4, a connection block 2, a control device 3, which serves in particular to control the heating power, a first (flexible) insulation section 4' , one of these downstream heating section 5 with first, second and third heating modules 5a, 5b and 5c, which have the same design, further a second flexible line downstream of the heating section (second insulation section) 6 and a hot water outlet 7.
- connection block 2 ' is designed as a metal block in which a manually operated shut-off valve 11, a water filter 12 and a spring-operated check valve 13 are integrated. Downstream of the connection block 2 ', the control device 3 and various measuring and control elements which are customary in water heaters are arranged.
- TRIACs 31 are provided for separately controlling the heating power of the individual heating modules 5a, 5b and 5c via their heating filaments 50a, 50b and 50.
- the heating filaments 50a-c consist of bare heating resistance wires, which ensure excellent heat transfer to the fluid (water) to be heated. Certain insulation resistances between bare heating coils and the nearest metallic connection point in the flow path of the water are prescribed.
- the fluid lines between the respective heating modules 5a and 5c and the connections on the cold or hot water side must be correspondingly long.
- These fluid line paths are in the instantaneous water heater shown formed by flexible hoses 4 ', 6 made of electrically insulating material.
- these hoses can be easily coupled with appropriate connection pieces and, on the other hand, they can be laid easily and in a space-saving manner. For example, they can be accommodated in loops behind the heating section 5 in a lower part of the device.
- the loop diameter is chosen large enough so that the flow resistances are limited and the pressure losses in the lines forming the insulation sections can be kept low.
- the invention uses the flexibility obtained by the flexible lines 4, 4 'and 6 not only for space-saving laying of the insulation sections, but also for varying and adapting the connection positions of the inlets and outlets 2 and 7.
- the position of the connection elements must in any case agree with that of the wall-side water connection pattern, in such a way that the cold water inlet 2 is also connected to the cold water connection and the hot water outlet is also connected to the hot water connection.
- the relative position shown in Figure 1 must therefore be changed depending on the position of the electric instantaneous water heater and possibly even crossed over.
- the lines 4 and 6 designed as flexible hoses give the necessary freedom of movement. It is easy to see that for the purposes of the invention, i.e.
- the compensation and adaptation of the inlet and outlet connection patterns is sufficient in many cases if only one of the lines 4 and 6 is flexible.
- the other connection (2) can even be fixed to the device or can only be changed slightly.
- the double mobility due to flexible designs of both lines 4 and 6 is preferred and increases the possible variations.
- FIGS 2 and 4 show some external configurations and mounting options, as offered by the invention.
- FIG. 2 shows an example of an under-table installation of the instantaneous water heater 1.
- the latter is mounted so that an operating button 10 is located at an accessible level, ie near the upper edge of the device.
- the control button 10 would be at the lower end of the front plate 15.
- the control button is arranged in the upper right end of the front plate 15, so that even when the device and the washbasin 17 are compactly arranged, there is no fear of impaired grip or visibility .
- the instantaneous water heater 1a is installed in the upper table and in a transverse arrangement.
- the control button 10 is close to the lower longitudinal side and thus at an ergonomic handle height.
- the front plate 15a is mirrored.
- the instantaneous water heater shown in FIG. 3 is installed in a completely new way in a wall recess 28 and fastened via a mounting plate, not shown in the drawing.
- This new flush-mounted version of the instantaneous water heater 1a is accommodated by the fact that the instantaneous water heater described with reference to FIG. 1 with its functional elements has an extremely small depth due to the three relatively thin heating modules 5a-5c arranged in one plane.
- Figure 4 shows another variant of the design and assembly of a water heater 1b. It is integrated in the upper table assembly in a bathroom furniture module system designated as a whole with 8. With this furniture system, the wash basin 17 with the hot water tap 18 is converted. The control button 10 is located in this upright upper table assembly of the instantaneous water heater 1b in the corner of the front plate 15b facing the tap 18. The latter has a surface structure adapted to the furniture system.
- 5A and 5B show vertical sections through a two-part housing 20, which open up additional mounting options for the visible front part of the housing.
- the housing 20 consists of a preferably wall-fixed lower part 21 and an approximately box-shaped hood 22.
- the lower part has a folded peripheral edge 23 on which the hood edge can be plugged on.
- notches 24 are formed at diametrically opposite locations.
- the two axially incisions 24 are aligned with mutually aligned bores 25 in the rabbet-like edge 23.
- screws 26 are inserted into the two aligned openings 24 and 25 (top and bottom), which are screwed into an internally threaded connecting element in the form of a nut or a threaded ring 27.
- the connecting element 27 is fixed in the illustrated embodiment to the peripheral edge 23 of the lower part 21, for example by gluing or welding.
- control button 10 is arranged in the upper half of the front plate formed on the hood 22.
- the control button 10 can be pivoted into the lower position shown in dash-dotted lines.
- the device is particularly suitable for over-table mounting.
- the hood 22 can thus be brought into the correct position with the control button 10; the connecting devices 23 ... 27 on the housing underside and the housing top have pairs of identical design and symmetrical arrangement.
- Drip water protection for the electrical components arranged in the interior of the housing 20 can be achieved at the critical connection points, for example, by covering the screw 26 on the top of the housing with a plastic or rubber hood.
- the lower part 21 can be provided with a non-positive clamping device similar to the screw-nut combination 26, 27 on the underside, while a latching device is effective between the cranked edge 23 and the edge of the hood 22 in the region of the upper connection point. It is only essential that the connecting devices at the top and bottom are optionally interchangeable, so that the hood 22 can be rotated through 180 ° to produce the desired mounting position. Numerous modifications are possible within the scope of the inventive concept.
- the instantaneous water heater can be mounted upright, crosswise, reversed sides and even diagonally on the mounting wall. Distances and relative positions between the inlets and outlets 2 and 7 of the instantaneous water heater 1 shown in FIG.
- the actuating elements can therefore be adjusted by appropriate position correction or also a targeted arrangement on the Front panel or be provided on another side of the device so that they are easily accessible for the user on the one hand and on the other hand harmoniously inserted into the overall look.
- Several control elements can also be provided in order to increase user comfort. It is essential that in principle the same housing shapes can be provided for the various mounting arrangements and surface designs in order to maintain the basic structural structure for all variations and to minimize the production costs.
Landscapes
- 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)
- Central Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Details Of Fluid Heaters (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4219643 | 1992-06-16 | ||
DE4219643A DE4219643A1 (de) | 1992-06-16 | 1992-06-16 | Anordnung und Verfahren zur Montage eines elektrischen Durchlauferhitzers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0574820A1 true EP0574820A1 (fr) | 1993-12-22 |
EP0574820B1 EP0574820B1 (fr) | 1998-01-21 |
Family
ID=6461099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93109271A Expired - Lifetime EP0574820B1 (fr) | 1992-06-16 | 1993-06-09 | Arrangement et procédé pour le montage d'un chauffe-eau instantané électrique |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0574820B1 (fr) |
AT (1) | ATE162610T1 (fr) |
DE (2) | DE4219643A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008012644A1 (fr) * | 2006-07-28 | 2008-01-31 | Merloni Termosanitari S.P.A. | Dispositif composé d'une série de sections destinées à l'isolation électrique des conduites |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004018035B4 (de) * | 2004-04-14 | 2006-04-27 | Stiebel Eltron Gmbh & Co. Kg | Elektrogerät |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2165504A1 (de) * | 1971-12-06 | 1973-07-12 | Gardom & Lock Ltd | Durchlaufwassererhitzer |
DE3609213A1 (de) * | 1985-11-26 | 1987-09-24 | Eckerfeld Erika | Kanalkoerper fuer elektrische durchlauferhitzer |
DE3816817A1 (de) * | 1988-05-18 | 1989-11-30 | Stiebel Eltron Gmbh & Co Kg | Elektrischer durchlauferhitzer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE339466C (de) * | 1920-03-28 | 1921-07-26 | Karl Neubinger | Elektrische Heizvorrichtung zur Erzeugung von fliessendem Warmwasser |
DE1829169U (de) * | 1959-03-24 | 1961-04-06 | Licentia Gmbh | Elektrisch beheizter durchlauferhitzer. |
DE3138293A1 (de) * | 1981-09-25 | 1983-07-14 | Elpag AG Chur, 7001 Chur | Durchlauferhitzer |
AT391936B (de) * | 1989-07-12 | 1990-12-27 | Vaillant Gmbh | Durchlauferhitzergehaeuse |
-
1992
- 1992-06-16 DE DE4219643A patent/DE4219643A1/de not_active Ceased
-
1993
- 1993-06-09 AT AT93109271T patent/ATE162610T1/de not_active IP Right Cessation
- 1993-06-09 DE DE59308015T patent/DE59308015D1/de not_active Expired - Fee Related
- 1993-06-09 EP EP93109271A patent/EP0574820B1/fr not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2165504A1 (de) * | 1971-12-06 | 1973-07-12 | Gardom & Lock Ltd | Durchlaufwassererhitzer |
DE3609213A1 (de) * | 1985-11-26 | 1987-09-24 | Eckerfeld Erika | Kanalkoerper fuer elektrische durchlauferhitzer |
DE3816817A1 (de) * | 1988-05-18 | 1989-11-30 | Stiebel Eltron Gmbh & Co Kg | Elektrischer durchlauferhitzer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008012644A1 (fr) * | 2006-07-28 | 2008-01-31 | Merloni Termosanitari S.P.A. | Dispositif composé d'une série de sections destinées à l'isolation électrique des conduites |
Also Published As
Publication number | Publication date |
---|---|
DE59308015D1 (de) | 1998-02-26 |
ATE162610T1 (de) | 1998-02-15 |
DE4219643A1 (de) | 1993-12-23 |
EP0574820B1 (fr) | 1998-01-21 |
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