EP1027859A2 - Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine oder Waschmaschine - Google Patents
Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine oder Waschmaschine Download PDFInfo
- Publication number
- EP1027859A2 EP1027859A2 EP00101706A EP00101706A EP1027859A2 EP 1027859 A2 EP1027859 A2 EP 1027859A2 EP 00101706 A EP00101706 A EP 00101706A EP 00101706 A EP00101706 A EP 00101706A EP 1027859 A2 EP1027859 A2 EP 1027859A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- ion exchanger
- amount
- softened
- exhaustion
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4229—Water softening arrangements
Definitions
- the invention relates to a water-bearing household appliance, in particular a dishwasher or washing machine, with one consisting essentially of a regenerable ion exchanger existing water softening device, in which the in the ion exchanger softened water by adding raw water, taking into account the degree of exhaustion of the ion exchanger is blended.
- Such mixing of softened water and raw water is e.g. from the DE-195 12 011 A1 is known, wherein by means of a water meter designed as an impeller meter the incoming amount of raw water is measured and this amount of water after passing through the ion exchanger according to a predetermined degree of hardness a quantity of raw water is added to the cleaning liquid. It is taken into account that the capacity of the ion exchanger is limited and according to the with continuous flow of raw water increased degree of exhaustion by the ion exchanger treated water is getting harder and therefore to comply with the predetermined The hardness of the cleaning liquid reduces the amount of raw water added must become.
- the invention is therefore based on the object in a water-carrying household appliance the type mentioned a simpler and more precise control of the raw water admixture to accomplish.
- This object is achieved according to the invention by softening the ion exchanger Water is filled into a storage container, the filling time for the reservoir is detected and this, on the other hand, to a total filling time since Time of a last regeneration of the ion exchanger is summed up and due to the filling time determines the amount of soft water to be mixed and based on it the total filling time by the ion exchanger since the last time it was regenerated softened amount of water and the corresponding state of exhaustion of the ion exchanger is determined and from this for a predetermined degree of hardness of the cleaning liquid amount of raw water to be added is determined.
- the water-carrying household appliance has Control unit in which the necessary for determining the amount of raw water to be added Calculations are carried out and in which the exhaustion curves of the ion exchanger are stored for the adjustable raw water hardness, which means that the water-carrying household appliance according to the invention is possible.
- the exhaustion curves are in one Read only memory, which further simplifies the structure of the invention water-carrying household appliance leads.
- a water-carrying household appliance in the exemplary embodiment a dishwasher, has a water softening device in which e.g. from the public Raw water supplied to the water supply is softened with an ion exchanger becomes.
- This ion exchanger loses over the flow rate of the water to be softened increasing its ability to soften the water, usually as exhaustion of the water Denoted ion exchanger. Therefore, the ion exchanger must be completely exhausted be regenerated. This regeneration is usually done by the Passing a brine formed in a salt container through the ion exchanger performed. After the ion exchanger has been regenerated, it becomes particularly soft Produces water.
- the amount of raw water added to the cleaning liquid must always decrease. Therefore, on the one hand, for the targeted addition of the correct amount of raw water amount of soft water to be mixed and on the other hand the hardness of this amount of soft water be determined.
- the ion exchanger softened water poured into a reservoir the one hand Filling time for the reservoir is detected, from which the amount of soft water to be mixed can be determined.
- the fill time has been a total fill time since the time of a last regeneration of the ion exchanger, from which the softened by the ion exchanger since it was last regenerated Amount of water and the corresponding state of exhaustion of the ion exchanger determined becomes.
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
- Detergent Compositions (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims (3)
- Wasserführendes Haushaltgerät, insbesondere Geschirrspülmaschine oder Waschmaschine, mit einer im wesentlichen aus einem regenerierbaren Ionenaustauscher bestehenden Wasserenthärtungseinrichtung, bei dem das in dem Ionenaustauscher enthärtete Wasser durch Beigabe von Rohwasser unter Berücksichtigung des Erschöpfungsgrades des Ionenaustauschers verschnitten wird
dadurch gekennzeichnet,
daß das in dem Ionenaustauscher enthärtete Wasser in einen Vorratsbehälter eingefüllt wird, wobei einerseits die Fülldauer für den Vorratsbehälter erfaßt wird und diese andererseits zu einer Gesamtfülldauer seit dem Zeitpunkt einer letzten Regenerierung des Ionenaustauschers summiert wird und aufgrund der Fülldauer die zur Vermischung anstehende Menge Weichwassers ermittelt und aufgrund der Gesamtfülldauer die durch den Ionenaustauscher seit dem Zeitpunkt seiner letzten Regenerierung enthärtete Wassermenge und der entsprechende Erschöpfungszustand des Ionenaustauschers ermittelt wird und daraus die für einen vorbestimmten Härtegrad der Reinigungsflüssigkeit zuzugebende Rohwassermenge bestimmt wird. - Wasserführendes Haushaltgerät nach Anspruch 1, dadurch gekennzeichnet, daß es ein Steuergerät aufweist, in dem die für die Bestimmung der zuzugebenden Rohwassermenge notwendigen Berechnungen ausgeführt werden und in dem die Erschöpfungskurven des Ionenaustauschers für die einstellbaren Rohwasserhärten gespeichert sind.
- Wasserführendes Haushaltgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Erschöpfungskurven in einem Festspeicher gespeichert sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19905979 | 1999-02-12 | ||
| DE19905979A DE19905979A1 (de) | 1999-02-12 | 1999-02-12 | Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine oder Waschmaschine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1027859A2 true EP1027859A2 (de) | 2000-08-16 |
| EP1027859A3 EP1027859A3 (de) | 2001-07-11 |
| EP1027859B1 EP1027859B1 (de) | 2006-06-28 |
Family
ID=7897361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00101706A Expired - Lifetime EP1027859B1 (de) | 1999-02-12 | 2000-01-27 | Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine oder Waschmaschine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1027859B1 (de) |
| AT (1) | ATE331462T1 (de) |
| DE (2) | DE19905979A1 (de) |
| ES (1) | ES2265813T3 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017202055A1 (de) | 2017-02-09 | 2018-08-09 | Meiko Maschinenbau Gmbh & Co. Kg | Reinigungsvorrichtung und Verfahren zum Reinigen von Reinigungsgut |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3527046A1 (de) * | 1985-07-27 | 1987-02-05 | Licentia Gmbh | Programmgesteuerte wasch- oder geschirrspuelmaschine |
| DE3925054A1 (de) * | 1989-07-28 | 1991-01-31 | Licentia Gmbh | Geschirrspuel- oder waschmaschine mit einem vorratsbehaelter |
| DE4118586C2 (de) * | 1991-06-06 | 2003-02-20 | Aweco Appliance Sys Gmbh & Co | Verfahren zur Wasserenthärtung und Haushaltsmaschine, insbesondere Geschirrspüler, zur Durchführung dieses Verfahrens |
| DE19512011C2 (de) * | 1995-03-31 | 2000-07-27 | Aweco Appliance Sys Gmbh & Co | Verfahren zur Bereitung von Weichwasser bei Geschirrspül- oder Waschmaschinen |
| DE19749636A1 (de) * | 1997-11-11 | 1999-05-12 | Miele & Cie | Verfahren zur Wasserenthärtung und Bestimmung des Regenerierzeitpunktes bei einer programmgesteuerten Geschirrspülmaschine |
-
1999
- 1999-02-12 DE DE19905979A patent/DE19905979A1/de not_active Withdrawn
-
2000
- 2000-01-27 AT AT00101706T patent/ATE331462T1/de active
- 2000-01-27 ES ES00101706T patent/ES2265813T3/es not_active Expired - Lifetime
- 2000-01-27 DE DE50013076T patent/DE50013076D1/de not_active Expired - Lifetime
- 2000-01-27 EP EP00101706A patent/EP1027859B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES2265813T3 (es) | 2007-03-01 |
| ATE331462T1 (de) | 2006-07-15 |
| DE50013076D1 (de) | 2006-08-10 |
| EP1027859B1 (de) | 2006-06-28 |
| DE19905979A1 (de) | 2000-08-17 |
| EP1027859A3 (de) | 2001-07-11 |
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