EP0574820B1 - 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 PDF

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Publication number
EP0574820B1
EP0574820B1 EP93109271A EP93109271A EP0574820B1 EP 0574820 B1 EP0574820 B1 EP 0574820B1 EP 93109271 A EP93109271 A EP 93109271A EP 93109271 A EP93109271 A EP 93109271A EP 0574820 B1 EP0574820 B1 EP 0574820B1
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EP
European Patent Office
Prior art keywords
cold water
arrangement
water
warm 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.)
Expired - Lifetime
Application number
EP93109271A
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German (de)
English (en)
Other versions
EP0574820A1 (fr
Inventor
Ghunbar Shirkani
Artur Rodecker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kkw Kulmbacher Klimagerate-Werk GmbH
Original Assignee
Kkw Kulmbacher Klimagerate-Werk GmbH
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Filing date
Publication date
Application filed by Kkw Kulmbacher Klimagerate-Werk GmbH filed Critical Kkw Kulmbacher Klimagerate-Werk GmbH
Publication of EP0574820A1 publication Critical patent/EP0574820A1/fr
Application granted granted Critical
Publication of EP0574820B1 publication Critical patent/EP0574820B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 of assembling an electric instantaneous water heater, which is a substantially box-shaped housing with at least a control button attached to the edge of a front panel and one with a cold water inlet and one Has hot water outlet connected heating section.
  • a water heater is known from document DE-A-3 816 817.
  • Instantaneous water heaters known from practice have either on the bottom or on the back fixed installed inlets and outlets.
  • the installation pattern on the instantaneous water heater corresponds to the wall connection pattern the hot and cold water connections.
  • the hot water connection is on the right and the cold water connection at a specified distance from the hot water connection Left.
  • Instantaneous water heaters are usually as close as possible the associated tap (s) mounted on a wall.
  • the control button must be accessible to the user in the upper table Height. It is therefore regularly close to the lower one Housing edge arranged where it even for small stature People can be reached. From optical or aesthetic Under-desk mounting is becoming increasingly electrical Instantaneous water heater preferred.
  • connection pattern more conventional
  • instantaneous water heaters are usually only permitted an "upright" positioning of the water heater, whereby the control button is at the bottom of the device.
  • This has the disadvantage that the user when operating of the control button either bend deep under the sink or even kneel to reach the control button.
  • Cross mounting is with conventional equipment and mounting arrangements at most with the interposition of adapters possible, which increase the construction volume.
  • the invention is therefore based on the task, the mounting options of the instantaneous water heater to expand equally optical, aesthetic and ergonomic Satisfy needs.
  • this object is achieved according to the invention solved that a flexible pipe between the cold water inlet and heating section and between heating section and Hot water spout is integrated into the waterway that the housing of the instantaneous water heater then into a suitable one Position brought to the water connection pattern and hot water outlet and cold water inlet with the associated water water and cold water connections of the water connection pattern connected, if necessary, crossed, the movement play the flexible cables to compensate for differences in position is exploited.
  • the use of plastic hoses following a heating section of a water heater is known from DE 36 09 213 A1. However, should the hoses only form water resistance channels. Any flexibility of the hoses is not addressed. Above all, there is no indication that with the help of the hoses the mounting options of the Extend water heater.
  • the control button is as close as possible to the top table the lower edge (as with conventional heaters) and when mounted under the table near the top edge (contrary to conventional Assembly) arranged. With a frequently advantageous The embodiment is the control button near a corner a square front panel. This corner will then again for ergonomic reasons the hot water tap arranged adjacent.
  • the invention provides that the box-shaped solution to the problem Housing made of a lower part supporting the heating section and one carrying the control button and the front panel Hood exists, which with the lower part over two locally separated Connection devices positive and / or non-positive is connectable; that the lower part is fixed; and that the two connecting devices both on the hood, as well as arranged axially symmetrically on the lower part are that the hood is rotated in two by 180 ° around the axis Positions can be mounted on the lower part.
  • Possibility of pivoting the hood otherwise always the same arrangement of the lower part and the essential components of the electric instantaneous water heater can take advantage of the invention without essential Change in the design of the instantaneous water heater used will.
  • a spring-loaded check valve is preferably open the cold water side of the heating section arranged such that it prevents a backflow of water into the cold water connection.
  • the spring load makes the check valve function regardless of the respective mounting position of the device.
  • Weighted Check valves used in conventional electric heaters usually used are only in one The heater is in the "upright" position.
  • the universal installation option allows the electric heater a housing shape similar to common bathroom furniture elements to give and the device as a module in a system wall to integrate.
  • the heater can be used as Mirror element can be used if its front panel is mirrored is.
  • 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, in particular for controlling the Serves 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, the same Have training, further downstream of the heating section second flexible line (second insulation section) 6 and one Hot water spout 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 'are the control device 3 and Various measuring and control elements common to instantaneous water heaters arranged. In the control device 3 there are TRIACs 31 for separate control of the heating output of the individual heating modules 5a, 5b and 5c provided over the heating coil 50a, 50b and 50.
  • the heating coil 50a-c consist of bare heating resistance wires, which an excellent heat transfer to the ensure heating fluid (water). Are prescribed certain insulation resistances between bare heating coils and the next metallic connection point in the flow path of the water.
  • the fluid lines must be correspondingly long between the respective heating modules 5a and 5c and the connections be on the cold or hot water side.
  • These fluid line paths are shown in the instantaneous water heater through flexible hoses 4 ', 6 made of electrically insulating material educated.
  • these hoses are easy to use couple with appropriate connecting pieces and on the other hand easy and space-saving to lay. For example, you can in loops behind the heating section 5 in a lower part of the device be housed. The loop diameter gets big enough chosen so that the flow resistances are limited and thus the Pressure losses in the lines forming the insulation sections can be kept low.
  • the invention uses the flexible lines 4, 4 ' and 6 gained mobility but not only to save space Laying the insulation sections, but also for variation and adjustment of the connection positions of the inlets and outlets 2 and 7.
  • the location of the connection elements must in any case with match that of the wall-side water connection pattern, in such a way that the cold water inlet 2 also with the Cold water connection and hot water outlet also with the Hot water connection is connected.
  • the one shown in Figure 1 Relative position must therefore depend on the position of the electric instantaneous water heater changed and possibly even crossed. Therefor give the lines designed as flexible hoses 4 and 6 the necessary freedom of movement. It's easy to see that for the purposes of the invention, i.e.
  • FIGS 2 and 4 show some external configurations and mounting options, as offered by the invention will.
  • 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 at an attainable level, i.e. near the top of the device is arranged.
  • the control button is in the upper right end of the front panel 15 arranged so that even when the arrangement of the Device and-the washstand 17-no hand or visual impairment is to be feared.
  • the instantaneous water heater la in top table assembly and Cross arrangement.
  • the control button 10 is near the lower long side and therefore at an ergonomic handle height.
  • the front panel 15a is mirrored.
  • the instantaneous water heater shown in Figure 3 is installed in a completely new way in a wall recess 28 and via a mounting plate, not shown in the drawing attached.
  • This new flush-mounted version of the instantaneous water heater la accommodates the fact that based on instantaneous heater described by Figure 1 with its functional elements through the three relatively thin, arranged in one plane Heating modules 5a-5c has an extremely small depth.
  • FIG 4 shows another variant of the training and assembly a water heater 1b. It is installed in the upper table a bathroom furniture module system designated as a whole by 8 integrated. With this furniture system, the sink 17 is included the hot water tap 18 rebuilt. The control button 10 is located during this upright assembly of the instantaneous water heater 1b in the corner of the tap 18 Front panel 15b. The latter has one adapted to the furniture system Surface structure.
  • 5A and 5B show vertical sections through a two-part Housing 20, the additional mounting options of the visible Open the 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 crimped peripheral edge 23 on which the hood edge can be plugged on.
  • In the cutting plane 5A and 5B corresponding central plane of the Hood 22 are incisions at diametrically opposite locations 24 trained.
  • In the assembled state of the lower part 21 and hood 22 are the two axial incisions 24 with mutually aligned bores 25 in the rabbet-like edge 23 aligned. Assembled in that shown in Fig.
  • each screw 26 inserted into one internally threaded connector in the form of a Nut or a threaded ring 27 are screwed.
  • the connecting element 27 is in the illustrated embodiment with the peripheral edge 23 of the lower part 21, for example connected by gluing or welding.
  • the control button is in the position shown in FIG. 5A 10 in the upper half of those trained on the hood 22 Front panel arranged.
  • the control button 10 By rotating the hood 22 to one Axis of the control button 10 parallel and to the axis 28 of the two Connecting devices 26, 27 rectangular device axis can the control button 10 in the lower dash-dotted line Position can be pivoted.
  • the device for over-the-counter mounting is special suitable.
  • the housing design described with reference to FIGS. 5A and 5B can the hood 22 with the control button 10 in the assembly-ready Position to be brought; the connecting devices 23 ... 27 on the bottom and top of the housing have paired training and symmetrical Arrangement.
  • a drip protection for those inside the Housing 20 arranged electrical components can be reach the critical junctions, for example, that the screw 26 on the top of the housing with a Plastic or rubber hood is covered.
  • connection devices shown in FIGS. 5A, B numerous alternatives are possible. So it can Lower part 21 with a non-positive clamping device similar to the screw-nut combination 26, 27 on the underside be provided while between the cranked edge 23 and the edge of the hood 22 in the area of the upper connection point a locking device is effective. It is only essential that the Interchangeable top and bottom connectors are, so that the hood 22 for producing the desired mounting position can be rotated by 180 °.
  • the instantaneous water heater can be upright, transverse, reversed and even attached diagonally to the mounting wall will. Distances and relative positions between the inlets and outlets 2 and 7 of the instantaneous water heater 1 shown in FIG. 1 arbitrarily variable, by using the large movement game the flexible lines 4 and 6.
  • the actuators can therefore by appropriate position correction or targeted Arrangement on the front panel or on another side of the device be provided so that they are comfortable for the user attainable and on the other hand harmonious in the overall look are inserted.
  • Several control elements can also be provided to increase user comfort. Essential is that basically the same housing shapes for the different Mounting arrangements and surface designs provided can be the basic structure for all variations maintain and minimize manufacturing 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)

Claims (11)

  1. Agencement pour le montage d'un chauffe-eau instantané électrique, qui comporte un boítier (20) sensiblement en forme de caisson et présentant au moins un bouton de manoeuvre (10) agencé à proximité du bord d'une plaque frontale (15) et une section de chauffage (5) reliée à une entrée d'eau froide (2) et à une sortie d'eau chaude (7),
    caractérisé en ce que
    un conduit flexible (4, 6) est intégré dans le parcours de l'eau, d'une part, entre l'entrée d'eau froide (2) et la section de chauffage (5) et, d'autre part, entre la section de chauffage (5) et la sortie d'eau chaude (7),
    l'entrée d'eau froide (2) et la sortie d'eau chaude (7) peuvent être raccordées d'une manière variable en position à un modèle de raccordement d'eau prédéterminé extérieur, le jeu de déplacement entre la section de chauffage (5) de position fixe et l'entrée (2) et la sortie (7) étant, pour leur liaison avec le modèle de raccordement d'eau, disponible grâce aux conduits flexibles (4, 6), et
    l'entrée d'eau froide (2) et la sortie d'eau chaude (7) sont placées et reliées aux raccords d'eau froide et d'eau chaude du modèle de raccordement d'eau de façon que le bouton de manoeuvre (10) se trouve à un niveau autant que possible adapté à l'emplacement de distribution d'eau chaude (18) et puisse par conséquent être manoeuvré de manière ergonomique.
  2. Agencement suivant la revendication 1, caractérisé en ce qu'au moins un bouton de manoeuvre (10) est agencé à proximité d'un coin d'une plaque frontale (15) quadrangulaire.
  3. Agencement suivant l'une des revendications 1 et 2, caractérisé en ce qu'une soupape de retenue (13) sollicitée par ressort est agencée du côté eau froide de la section de chauffage (5) de façon à empêcher un retour d'eau dans le raccord à eau froide.
  4. Agencement suivant l'une des revendications 1 à 3, caractérisé en ce que la plaque frontale (15a) est pourvue d'un miroir.
  5. Agencement suivant l'une des revendications 1 à 4, caractérisé en ce que le boítier en forme de caisson est adapté en forme et habillage extérieur à un ou plusieurs éléments d'un système de mobilier de salle de bains et en ce qu'il est intégré dans le système de mobilier à proximité d'un emplacement de distribution d'eau chaude (18).
  6. Agencement suivant l'une des revendications 1 à 4, caractérisé en ce qu'une plaque de montage est agencée sur le côté du chauffe-eau instantané qui est à l'opposé de la plaque frontale (15) et en ce que le chauffe-eau instantané est incorporé dans un évidement de paroi (28) sous la forme d'un appareil encastré (1a) et en ce qu'il est monté et raccordé par l'intermédiaire de la plaque de montage.
  7. Agencement pour la montage d'un chauffe-eau instantané électrique, qui comporte un boítier sensiblement en forme de caisson et pourvu d'au moins un bouton de manoeuvre (10) agencé à proximité du bord d'une plaque frontale et une section de chauffage (5) reliée à une entrée d'eau froide (2) et à une sortie d'eau chaude (7), en particulier suivant l'une des revendications 1 à 6, caractérisé en ce que le boítier en forme de caisson (20) est constitué d'une partie inférieure (21) portant la section de chauffage (5) et d'un recouvrement (22) qui porte le bouton de manoeuvre (10) et la plaque frontale et qui peut être relié à la partie inférieure (21) par une liaison due à la forme et/ou due à une force par l'intermédiaire de deux dispositifs de liaison localement séparés (23 ... 27),
    la partie inférieure (21) est montée de manière stationnaire, et les deux dispositifs de liaison (23 .... 27) sont agencés de manière axialement symétrique non seulement sur le recouvrement mais aussi sur la partie inférieure de façon que le recouvrement (22) puisse être monté sur la partie inférieure (21) en deux positions tournées de 180° autour de l'axe.
  8. Agencement suivant la revendication 7, caractérisé en ce que les deux dispositifs de liaison (23 ... 27) sont agencés aussi bien du côté recouvrement que du côté partie inférieure sur deux côtés diamétralement opposés et sont réalisés de façon que, dans chacune des deux positions de raccordement tournées de 180° du recouvrement (22), une protection vis-à-vis de l'eau d'égouttage soit formée pour les composants électriques du chauffe-eau instantané (1).
  9. Procédé de montage d'un chauffe-eau instantané électrique, qui comporte un boítier (20) sensiblement en forme de caisson et pourvu d'au moins un bouton de manoeuvre (10) agencé à proximité du bord d'une plaque frontale (15), une section de chauffage (5), une entrée d'eau froide (2) et une sortie d'eau chaude (7), l'entrée d'eau froide (2) et la sortie d'eau chaude (7) étant reliées à un modèle de raccordement d'eau fixé à la paroi,
    caractérisé en ce que
    un conduit flexible (4, 6) est incorporé dans le parcours de l'eau respectivement entre l'entrée d'eau froide (2) et la section de chauffage (5) et entre la section de chauffage (5) et la sortie d'eau chaude (7), en ce que le boítier (20) du chauffe-eau instantané est ensuite amené dans une position appropriée par rapport au modèle de raccordement d'eau et la sortie d'eau chaude (7) et l'entrée d'eau froide (2) sont reliées aux raccords correspondants d'eau chaude et d'eau froide du modèle de raccordement d'eau, si nécessaire de manière croisée, le jeu de déplacement des conduits flexibles (4, 6) étant exploité pour compenser des différences de position.
  10. Procédé suivant la revendication 9, caractérisé en ce que le boítier est, lors d'un montage sous un plan horizontal, fixé sur la paroi de montage correspondante de façon qu'un bord du boítier proche du bouton de manoeuvre (10) forme une limitation supérieure du boítier.
  11. Procédé suivant l'une des revendications 9 et 10, caractérisé en ce que le boítier (20) est adapté à la forme d'un système de meuble modulaire de salle de bains, en ce qu'il est intégré dans des autre modules de ce système et en ce qu'il est fixé à une paroi de montage.
EP93109271A 1992-06-16 1993-06-09 Arrangement et procédé pour le montage d'un chauffe-eau instantané électrique Expired - Lifetime EP0574820B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4219643A DE4219643A1 (de) 1992-06-16 1992-06-16 Anordnung und Verfahren zur Montage eines elektrischen Durchlauferhitzers
DE4219643 1992-06-16

Publications (2)

Publication Number Publication Date
EP0574820A1 EP0574820A1 (fr) 1993-12-22
EP0574820B1 true 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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018035B4 (de) * 2004-04-14 2006-04-27 Stiebel Eltron Gmbh & Co. Kg Elektrogerät
ITAN20060046A1 (it) * 2006-07-28 2008-01-29 Merloni Termosanitari Spa Dispositivo composto da una serie di tronchi atto all'isolamento elettrico di tubazioni

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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.
US3781520A (en) * 1971-12-06 1973-12-25 Gardom & Lock Ltd Electric instantaneous water heater
DE3138293A1 (de) * 1981-09-25 1983-07-14 Elpag AG Chur, 7001 Chur Durchlauferhitzer
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
AT391936B (de) * 1989-07-12 1990-12-27 Vaillant Gmbh Durchlauferhitzergehaeuse

Also Published As

Publication number Publication date
DE59308015D1 (de) 1998-02-26
DE4219643A1 (de) 1993-12-23
EP0574820A1 (fr) 1993-12-22
ATE162610T1 (de) 1998-02-15

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