ES2325560T3

ES2325560T3 - INTEGRATED DEVICE FOR SUPPLY AND TREAT WATER IN A DISHWASHER MACHINE.

Info

Publication number: ES2325560T3
Application number: ES07105756T
Authority: ES
Inventors: Enzo Brignone
Original assignee: Bitron SpA
Current assignee: Bitron SpA
Priority date: 2006-04-11
Filing date: 2007-04-05
Publication date: 2009-09-08
Anticipated expiration: 2027-04-05
Also published as: PL1844694T3; CN101053505B; ATE427691T1; ITTO20060269A1; EP1844694B1; EP1844694A1; DE602007000834D1; CN101053505A

Abstract

The device comprises: a supply line (10); a first tank (22) for containing substances with water-softening properties, provided with at least one inlet opening (20) for water to be softened and an outlet opening (48) for softened water; a second tank (28) for containing salt, provided with at least one water inlet opening (27) and an outlet opening (29) for a regeneration brine formed following dissolving of the salt in the water, and having a neck (34); an annular wall (36) which surrounds externally at least one bottom portion of the neck (34) forming an interspace (38); and a line (44) for connecting the outlet opening (20) of the first tank (22) to the interspace (38). The annular wall (36) is intended to be mounted inside an opening (50) formed through the bottom (52) of the washing chamber, where the softened water supplied from the connection line (44) is conveyed and made to pass through the interspace (38).

Description

Dispositivo integrado para suministrar y tratar agua en una máquina lavavajillas.Integrated device to supply and treat Water in a dishwasher machine.

La presente invención se refiere a un dispositivo para suministrar y tratar agua para una máquina lavavajillas, que tiene los rasgos indicados en el preámbulo de la reivindicación 1 que viene a continuación. Un dispositivo conocido de este tipo se divulga en el documento DE-A-3015728.The present invention relates to a device for supplying and treating water for a machine dishwasher, which has the features indicated in the preamble of the claim 1 that follows. A known device of this type is disclosed in the document DE-A-3015728.

El objeto de la presente invención es proporcionar un dispositivo de este tipo que está altamente integrado como para reducir la complejidad de las operaciones necesarias para ensamblarlo sobre una máquina lavavajillas y el número de conexiones hidráulicas, que son una causa potencial de fugas, necesarias para realizar dicho ensamblaje.The object of the present invention is provide such a device that is highly integrated to reduce the complexity of operations necessary to assemble it on a dishwasher machine and the number of hydraulic connections, which are a potential cause of leaks, necessary to perform said assembly.

Este objeto se consigue por medio de un dispositivo para suministrar y tratar agua para una máquina lavavajillas que tiene los rasgos indicados en la reivindicación 1 que viene a continuación.This object is achieved by means of a device for supplying and treating water for a machine dishwasher having the features indicated in claim 1 that comes next.

Como resultado de la estructura del dispositivo de acuerdo con la invención, es posible prescindir de una cañería separada para conectarlo a la cámara de lavado, con una consecuente simplificación en los procedimientos de ensamblaje y unos costes reducidos.As a result of the structure of the device according to the invention, it is possible to dispense with a pipe separated to connect it to the washing chamber, with a consequent simplification in assembly procedures and costs reduced

Un objeto adicional de la presente invención también consiste en una máquina lavavajillas que comprende un dispositivo para suministrar y tratar agua del tipo descrito anteriormente.A further object of the present invention it also consists of a dishwasher that comprises a device for supplying and treating water of the type described previously.

Rasgos característicos y ventajas adicionales de la presente invención quedarán claros a partir de la descripción detallada que viene a continuación, con referencia a los dibujos que se acompañan, proporcionados a modo de ejemplo no limitante, en los que:Characteristic features and additional advantages of The present invention will become clear from the description. detailed that comes next, with reference to the drawings that they are accompanied, provided by way of non-limiting example, in the that:

la figura 1 es una ilustración esquemática del circuito hidráulico de un dispositivo de acuerdo con la invención;Figure 1 is a schematic illustration of the hydraulic circuit of a device according to the invention;

la figura 2 es una ilustración esquemática del circuito hidráulico de una realización adicional del dispositivo de acuerdo con la invención;Figure 2 is a schematic illustration of the hydraulic circuit of a further embodiment of the device according to the invention;

la figura 3 es una ilustración esquemática, a mayor escala, de parte del circuito hidráulico del dispositivo de acuerdo con la figura 2;Figure 3 is a schematic illustration, to larger scale, part of the hydraulic circuit of the device according to figure 2;

la figura 4 es una vista en perspectiva de una tuerca redonda del dispositivo de acuerdo con las figuras previas; yFigure 4 is a perspective view of a round nut of the device according to the previous figures; Y

la figura 5 es una ilustración esquemática, equivalente a la figura 3, de parte del circuito hidráulico de todavía otra realización del dispositivo de acuerdo con la invención.Figure 5 is a schematic illustration, equivalent to figure 3, part of the hydraulic circuit of yet another embodiment of the device according to the invention.

Un dispositivo para suministrar y tratar agua para una máquina lavavajillas comprende (figura 1) una tubería 10 para suministrar el agua, a lo largo de cuya tubería están dispuestos una válvula eléctrica 12 de llenado y un caudalímetro 14. La tubería 10 de suministro también incluye una sección 16 de purga y conduce a una abertura 20 de entrada de un primer tanque 22 para contener sustancias con propiedades de ablandamiento de agua. La tubería 10 también suministra a una cámara 24 de almacén de agua que está conectada por medio de una tubería 26 a una abertura 27 de entrada de un segundo tanque 28 para contener sal, cuya abertura 29 de salida está conectada por una tubería 30, provista de un miembro 32 de intercepción selectiva, al primer tanque 22. El segundo tanque 28 tiene un cuello 34 que está rodeado externamente por una pared anular 36 como para determinar la formación de un interespacio 38. Este último puede tener también una extensión anular o extenderse sólo a lo largo de un arco de circunferencia. El cuello tiene un eje vertical 40 que coincide con el del cuerpo del tanque 28. Un tapón desmontable 42 cierra la boca de entrada del cuello 34 y está situado por encima del interespacio 38 sin tocar el borde superior de la pared anular 36. Los detalles de construcción del cuello 34, el tapón 42 y el interespacio 38 se describen, por ejemplo, en el documento EP-A-1025793, cuyo contenido se debe considerar como incorporado en la presente descripción a modo de cita.A device to supply and treat water for a dishwasher machine it comprises (figure 1) a pipe 10 to supply the water, along whose pipe they are arranged an electric filling valve 12 and a flow meter 14. Supply pipe 10 also includes a section 16 of purges and leads to an inlet opening 20 of a first tank 22 to contain substances with water softening properties. The pipe 10 also supplies a water storage chamber 24 which is connected by means of a pipe 26 to an opening 27 of entrance of a second tank 28 to contain salt, whose opening 29 outlet is connected by a pipe 30, provided with a member 32 selective interception, to the first tank 22. The second tank 28 has a neck 34 that is externally surrounded by a annular wall 36 to determine the formation of a interspace 38. The latter may also have an extension annul or extend only along an arc of circumference. The neck has a vertical axis 40 that matches that of the body of the tank 28. A removable cap 42 closes the inlet mouth of the neck 34 and is located above interspace 38 without touching the upper edge of the annular wall 36. The details of neck construction 34, cap 42 and interspace 38 se describe, for example, in the document EP-A-1025793, whose content is you should consider as incorporated in this description by way of by appointment

Una tubería 44, a la que lleva una tubería adicional 46 que recoge el agua residual de la sección 16 de purga, conecta una abertura 48 de salida del primer tanque 22 al interespacio 38.A pipe 44, to which a pipe leads additional 46 which collects waste water from purge section 16, connect an outlet opening 48 of the first tank 22 to the interspace 38.

El dispositivo descrito anteriormente se ensambla sobre una máquina lavavajillas de modo que la pared anular 36 está montada de manera obturadora a través de una abertura 50 formada en el fondo 52 de la cámara de lavado.The device described above will assemble on a dishwasher machine so that the annular wall 36 is fitted in a shutter manner through an opening 50 formed in the bottom 52 of the washing chamber.

Durante la operación normal de la máquina lavavajillas, el agua suministrada por medio de la tubería 10 pasa a través del primer tanque 22 (flecha 54) donde se ablanda y luego entra en la tubería 44 y se dirige (flecha 56) adentro del interespacio 38, desde donde entra directamente (flecha 58) adentro de la cámara de lavado. Por medio de la tubería 46, el agua residual procedente de la sección 16 de purga se transporta también (flecha 60) adentro de la tubería 44 donde se combina con el agua ablandada y sigue la misma trayectoria que ella.During normal machine operation dishwasher, the water supplied through the pipe 10 passes through the first tank 22 (arrow 54) where it softens and then enters pipe 44 and goes (arrow 56) into the Interspace 38, from where it enters directly (arrow 58) inside of the washing chamber. By means of pipe 46, water waste from section 16 purge is also transported (arrow 60) inside the pipe 44 where it is combined with the water softened and follows the same path as her.

Periódicamente, la regeneración de las sustancias de ablandador de agua contenidas en el primer tanque 22 se realiza también de una manera sustancialmente convencional. A tal fin, el miembro 32 de intercepción selectiva se abre como para hacer que el agua que se ha recogido en el interior de la cámara 24 fluya hacia el segundo tanque 28 con la formación de una salmuera que se transporta entonces (flecha 62) por medio de la tubería 30 adentro del primer tanque 22 como para regenerar las sustancias de ablandador de agua contenidas en el interior de él.Periodically, the regeneration of water softener substances contained in the first tank 22 It is also performed in a substantially conventional manner. Such Finally, the selective interception member 32 opens as to make the water that has been collected inside the chamber 24 flow to the second tank 28 with the formation of a brine which is then transported (arrow 62) through the pipe 30 inside the first tank 22 as to regenerate the substances of water softener contained inside it.

El dispositivo de acuerdo con la invención se puede por lo tanto ensamblar de una manera considerablemente simplificada sobre una máquina lavavajillas porque no requiere la presencia de ninguna cañería separada para suministrar el agua adentro de la cámara de lavado.The device according to the invention is can therefore assemble in a considerably way simplified on a dishwasher because it does not require presence of no separate pipe to supply water inside the washing chamber.

Las figuras 2 a 4 muestran una realización alternativa del dispositivo de acuerdo con la invención, en la que los números, de la misma manera que los usados en las figuras precedentes, identifican partes iguales o equivalentes.Figures 2 to 4 show an embodiment alternative of the device according to the invention, in which the numbers, in the same way as those used in the figures precedents, identify equal or equivalent parts.

A diferencia de la realización previa, el cuello 34 del segundo tanque 28 tiene un eje 40 que está inclinado con respecto a la vertical de manera que comprende una primera región 63, que forma un ángulo agudo con la porción horizontal adyacente 64 de reborde del cuerpo del segundo tanque 28, y una segunda región 66, que forma un ángulo obtuso con la porción horizontal adyacente 68 de reborde del cuerpo del segundo tanque 28. La zona de la pared anular 36 orientada hacia la primera región 62 del cuello 34 tiene, formados en ella, una pluralidad de agujeros 70 para la comunicación entre el interespacio 38 y la cámara de lavado, que están espaciados circunferencialmente unos de otros. Además, la tubería 46 que recoge el agua residual de la sección 16 de purga se comunica con una abertura 72 de respiradero.Unlike the previous embodiment, the neck 34 of the second tank 28 has an axis 40 which is inclined with with respect to the vertical so that it comprises a first region 63, which forms an acute angle with the adjacent horizontal portion 64 of the body flange of the second tank 28, and a second region 66, which forms an obtuse angle with the adjacent horizontal portion 68 of the flange of the body of the second tank 28. The wall area annular 36 oriented towards the first region 62 of the neck 34 has, formed in it, a plurality of holes 70 for the communication between interspace 38 and the washing chamber, which They are circumferentially spaced from each other. Besides, the pipe 46 that collects wastewater from purge section 16 is communicates with a vent opening 72.

La figura 3 muestra en mayor detalle el ensamblaje de la pared anular 36 a través de la abertura 50 formada en el fondo 52 de la cámara de lavado, que está inclinada de una manera que corresponde al eje 40 del cuello 34. En particular, la pared anular 36 tiene sobre su superficie externa una rosca 74 que está destinada a aplicarse a una rosca coincidente 75 de una tuerca redonda 76 de fijación (mostrada de manera separada en la figura 4), la cual también está provista de una pluralidad de agujeros radiales 78 espaciados circunferencialmente y está dispuesta por encima del fondo 52 de la cámara de lavado. Una junta anular 80 está dispuesta en cambio entre el lado inferior del fondo 52 de la cámara de lavado y las superficies enfrentadas del dispositivo.Figure 3 shows in greater detail the ring wall assembly 36 through the opening 50 formed at the bottom 52 of the washing chamber, which is inclined from a way corresponding to the axis 40 of the neck 34. In particular, the annular wall 36 has on its outer surface a thread 74 which is intended to be applied to a matching thread 75 of a nut fixing round 76 (shown separately in the figure 4), which is also provided with a plurality of holes radial circumferentially spaced 78 and is arranged by above bottom 52 of the washing chamber. An annular gasket 80 is arranged instead between the bottom side of the bottom 52 of the washing chamber and facing surfaces of the device.

Los principios generales de operación del dispositivo permanecen sustancialmente sin cambios con respecto a los descritos con referencia a la figura 1, en lo que respecta tanto al paso de ablandamiento de agua normal como al paso de regeneración. Se debe apreciar además que el desagüe del agua desde el interespacio 38 a la cámara de lavado se produce a través de los agujeros 70, 78 formados en la parte que está situada más abajo que la pared anular 36 y en la tuerca redonda 76, respectivamente. Además, los vapores que se forman en el interior de la cámara de lavado pueden penetrar adentro del interespacio 38, en particular adentro de su porción que está situada a una mayor altura, y desde aquí transportarse, por medio de la tubería 46 que nunca se llena completamente de agua, a la abertura 72 de respiradero (flecha 82 en la figura 2) donde se descargan al exterior.The general principles of operation of device remain substantially unchanged with respect to those described with reference to figure 1, as regards both to the normal water softening step as to the passage of regeneration. It should also be noted that the water drain from the interspace 38 to the washing chamber occurs through the holes 70, 78 formed in the part that is located lower than the annular wall 36 and in the round nut 76, respectively. In addition, the vapors that form inside the chamber of washing can penetrate into interspace 38, in particular inside its portion that is located at a higher height, and from here be transported, by means of the pipe 46 that never fills completely water, to vent opening 72 (arrow 82 in Figure 2) where they are downloaded abroad.

Esta segunda realización del dispositivo de acuerdo con la invención, por lo tanto, integra la función adicional de descarga de los vapores formados en el interior de la cámara de lavado, permitiendo una simplificación adicional de la estructura y el método de ensamblaje de la máquina lavavajillas con la que está asociado el dispositivo.This second embodiment of the device according to the invention, therefore, integrates the additional function of discharge of the vapors formed inside the chamber of washing, allowing further simplification of the structure and the method of assembly of the dishwasher machine with which it is Associated the device.

La figura 5 muestra una realización alternativa adicional del dispositivo de acuerdo con la invención, en la que los mismos números que los usados en las figuras previas identifican partes iguales o equivalentes. Las partes no mostradas en la figura 5 son similares a las del dispositivo de acuerdo con la realización previa.Figure 5 shows an alternative embodiment additional device according to the invention, in which the same numbers as those used in the previous figures identify equal or equivalent parts. The parts not shown in the figure 5 are similar to those of the device according to the embodiment previous.

Como en la realización previamente descrita, el cuello 34 del segundo tanque 28 tiene su eje 40 que está inclinado con respecto a la vertical. En este caso, además, la pared anular 36 tiene una primera porción circunferencial 84 que rodea la sección inferior 85 del cuello 34 del segundo tanque 28, que forma el interespacio 38, y una segunda porción circunferencial 86 que está situada por encima de la primera porción 84 y que forma la sección superior del cuello 34. La sección inferior 85 y la sección superior 86 del cuello 34 están unidas por una pared 94 que está conformada a manera de canto circunferencial u, opcionalmente, un arco de un canto circunferencial que se extiende transversalmente con respecto a la sección inferior 85 y la sección superior 86. La superficie externa de la pared anular 36 tiene una rosca 74, cuya sección inferior está aplicada a una rosca coincidente 75 de una tuerca redonda 76 de fijación y cuya sección superior está aplicada a una rosca coincidente 88 de un reborde circunferencial 90 que sobresale transversalmente desde una pared inferior 92 de un tapón 42 para cerrar la boca de entrada del cuello 34. Tanto la primera porción circunferencial 84 de la pared anular 36 como la tuerca redonda 76 tienen respectivas pluralidades de agujeros radiales 70, 78 desalineados circunferencialmente. De un modo similar a la realización descrita previamente, el suministro de agua fluye afuera del interespacio 38 hacia la cámara de lavado por medio de los agujeros 70, 78. Al mismo tiempo, el diseño de construcción del dispositivo de suministro se simplifica puesto que una misma rosca 74 se usa para conjugarse con dos partes diferentes, concretamente la tuerca redonda 76 y el tapón 42.As in the previously described embodiment, the neck 34 of the second tank 28 has its axis 40 which is inclined with respect to the vertical. In this case, in addition, the annular wall 36 it has a first circumferential portion 84 surrounding the section lower 85 of the neck 34 of the second tank 28, which forms the interspace 38, and a second circumferential portion 86 that is located above the first portion 84 and forming the section upper neck 34. Lower section 85 and upper section 86 of neck 34 are joined by a wall 94 that is shaped as a circumferential edge or, optionally, an arc of a circumferential edge that extends transversely with respect to the lower section 85 and the upper section 86. The surface outer of the annular wall 36 has a thread 74, whose section bottom is applied to a matching thread 75 of a nut round 76 for fixing and whose upper section is applied to a matching thread 88 of a circumferential flange 90 protruding transversely from a bottom wall 92 of a plug 42 for close the neck entry mouth 34. Both the first portion circumferential 84 of the annular wall 36 as the round nut 76 they have respective pluralities of radial holes 70, 78 circumferentially misaligned. In a similar way to previously described embodiment, the water supply flows outside from interspace 38 to the washing chamber by means of the holes 70, 78. At the same time, the construction design of the supply device is simplified since the same thread 74 is used to conjugate with two different parts, namely the round nut 76 and the plug 42.

Obviamente, sin modificar el principio de la invención, los detalles de construcción y las realizaciones pueden variar enormemente con respecto a lo descrito puramente a modo de ejemplo, sin salir por ello del alcance reivindicado.Obviously, without modifying the principle of invention, construction details and embodiments can vary greatly with respect to what is described purely by way of For example, without going beyond the scope claimed.

Claims

1. Device for supplying and treating water for a dishwasher machine, comprising:

- a supply pipe (10),

- a first tank (22) to contain substances with water softening properties, provided with at least one inlet opening (20) for the water to be softened and a outlet opening (48) for softened water, and

- a second tank (28) to contain salt, provided with at least one water inlet opening (27) and a outlet opening (29) for a regeneration brine formed after the dissolution of the salt in the water, and it has a neck (3. 4);

said device being characterized in that it comprises:

- an annular wall (36) that surrounds externally at least a lower portion of said neck (34) forming a interspace (38); Y

- a pipe (44) to connect the opening (20) leaving the first tank (22) to said interspace (38), said annular wall (36) being intended to be mounted on the inside an opening (50) formed through the bottom (52) of the washing chamber, where the softened water supplied from said connecting pipe (44) is transported and passed through said interspace (38).

2. Device according to claim 1, wherein said supply pipe (10) has a section (16) purge, from which the wastewater is directed along of an additional pipe (46) for connection to said interspace (38), from where it is transported inside the washing chamber.

3. Device according to any one of the preceding claims, further comprising a plug detachable (42) that closes the inlet mouth of said neck (3. 4).

4. Device according to any one of the preceding claims, wherein said annular wall (36) it has on its external surface a thread (74) that is intended to be combined with a matching thread (75) formed in a nut round (76) fixing.

5. Device according to any one of the preceding claims, wherein said pipe (46) for collecting residual water leads to the pipe (44) to connect the opening (48) of exit of the first tank (22) to said interspace (38).

6. Device according to any one of the preceding claims, wherein said neck (34) has its axis (40) inclined with respect to the vertical, so that it comprises a first region (62), which forms an acute angle with the adjacent portion (64) of flange of the body of the second tank (28), and a second region (66), which forms an obtuse angle with the adjacent portion (68) of flange of the body of the second tank (28).

7. Device according to claim 6, in which at least one hole (70) capable of connecting the Interspace (38) to the washing chamber is formed in the area of the annular wall (36) oriented towards the first region (62) of the neck (34).

8. Device according to claim 7, wherein said annular wall (36) has a plurality of holes (70) that are circumferentially misaligned ones with Regarding others.

9. Device according to any one of the preceding claims, wherein said interspace (38) has an annular extension or extends along an arc of circumference.

10. Device according to any one of the preceding claims 6 to 9, wherein said pipe (46) to collect wastewater from the air purge section (16) of the supply pipe (10) communicates with an opening (72) of vent by means of which the vapors can be discharged that form in the washing chamber.

11. Device according to any one of the preceding claims 1 to 9, wherein said annular wall (36) has a first circumferential portion (84) surrounding a lower section (85) of the neck (34) of the second tank (28), which said interspace (38), and a second circumferential portion (86) which is located above the first portion (84) and which it forms the upper section of said neck (34), having the external surface of said annular wall (36) a thread (74), whose lower section is applied to a matching thread (75) of a round nut (76) for fixing and whose upper section is applied to a matching thread (88) of a circumferential flange (90) protruding transversely from the bottom wall (92) of a cap (42) to close the inlet mouth of said neck (34).

12. Device according to claim 11, in which the lower section (85) and the upper section (86) of said neck (34) are joined together by a wall (94) that it is shaped as a circumferential edge or an arc of a circumferential edge and extending transversely with with respect to said lower section (85) and upper section (86).

13. Device according to claim 11 or 12, wherein said first circumferential portion (84) of the annular wall (36) has a plurality of radial holes (70) circumferentially misaligned.

14. Device according to any one of the preceding claims 11 to 13, wherein said nut round (76) has a plurality of radial holes (78) circumferentially misaligned.

15. Dishwasher machine, comprising a device according to any one of the claims above, in which the annular wall (36) is inserted in the inside an opening (50) formed in a bottom wall (52) of the washing chamber