WO2011110244A1 - Système de dosage avec contrôle de dosage pour un appareil ménager à circulation d'eau - Google Patents

Système de dosage avec contrôle de dosage pour un appareil ménager à circulation d'eau Download PDF

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Publication number
WO2011110244A1
WO2011110244A1 PCT/EP2010/062235 EP2010062235W WO2011110244A1 WO 2011110244 A1 WO2011110244 A1 WO 2011110244A1 EP 2010062235 W EP2010062235 W EP 2010062235W WO 2011110244 A1 WO2011110244 A1 WO 2011110244A1
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WO
WIPO (PCT)
Prior art keywords
ϋΐη
conductivity
water
preparation
dosing
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PCT/EP2010/062235
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German (de)
English (en)
Inventor
Arnd Kessler
Thorsten Bastigkeit
Christian Nitsch
Wolfgang Wick
Karl-Heinz Hohenadel
Original Assignee
Henkel Ag & Co. Kgaa
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Publication of WO2011110244A1 publication Critical patent/WO2011110244A1/fr

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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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4445—Detachable devices
    • A47L15/4454—Detachable devices with automatic identification means, e.g. barcodes, RFID tags or magnetic strips
    • 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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0055—Metering or indication of used products, e.g. type or quantity of detergent, rinse aid or salt; for measuring or controlling the product concentration
    • 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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/006—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control using wireless communication between internal components of the machine
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4463—Multi-dose dispensing arrangements
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4472—Blister packaging or refill cartridges
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/57—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/12—Water temperature
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/16—Washing liquid temperature
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42—Detergent or additive supply
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D06F2105/60—Audible signals

Definitions

  • the invention relates to a dosing system for automatic dishwashing or textile detergents with a dosing control, which makes it possible to determine whether a dishwashing or detergent medium was dispensed from a dosing device in the rinsing or washing liquor.
  • Dishwashing detergents are available to the consumer in a variety of forms. In addition to the traditional liquid hand dishwashing detergents have with the spread of household dishwashers in particular the machine
  • the cleaning agents were preferably added to new ingredients, for example, more effective surfactants, polymers, enzymes or bleach.
  • new ingredients for example, more effective surfactants, polymers, enzymes or bleach.
  • Dosing in the wash liquor is actually done or not. As a result, a malfunction of the dosing device can be detected immediately and displayed to a user or a dishwasher.
  • the object of the invention is therefore to provide a metering system that allows such metering control of the type described. This object is achieved by a metering system having the features of claim 1.
  • a significant advantage of the invention is that, for example, malfunctions of the dosing device can be detected if, for example, no or insufficient dosing of a preparation takes place and the conductivity of the rinsing or washing liquor is not increased accordingly.
  • the dosing device can send an error message to the user, for example by means of an optical or acoustic display and / or the washing machine or dishwasher.
  • the invention will be explained in more detail below with reference to the use in a dishwasher. Of course, it is also possible to provide the invention for use in a washing machine.
  • the dosing system according to the invention comprises
  • Dosing device for dispensing at least one preparation into the interior of the water-bearing domestic appliance
  • a cartridge which can be coupled to the metering device for storing at least one flowable preparation
  • a control unit which is coupled at least to the conductivity sensor, wherein
  • At least one preparation has a conductivity of at least 500 ⁇ / ⁇ ,
  • the dosing device is configured such that at least 20 ml, preferably at least 30 ml, particularly preferably at least 50 ml this preparation is discharged during operation of the water-conducting household appliance from the metering device inside the water-bearing household appliance.
  • the delivery of the preparation with a conductivity of at least 500 ⁇ / ⁇ , preferably at least 750 ⁇ / ⁇ , particularly preferably at least 1,000 ⁇ / ⁇ , most preferably at least 2,500 ⁇ / ⁇ can be carried out according to an embodiment of the invention at intervals, so that a step-like Increased conductivity occurs in the wash liquor and is detectable by the conductivity sensor. If, for example, a step-like increase in conductivity is not detected by the conductivity sensor, this may indicate that not all dosing intervals have been carried out correctly and the intended amount of preparation has been released.
  • the metering system with at least one temperature sensor in or on the metering device and at least one conductivity sensor in or on the metering device.
  • the metering system according to the invention in an advantageous development of a metering device with in particular optical means for transmitting and / or receiving data from and / or to the dishwasher.
  • the amount of preparation released in the main rinse be at least twice, preferably at least three times, more preferably at least four times as large as the amount of preparation released in the pre-wash or rinse cycle.
  • the preparation for use in the metering system according to the invention has a
  • the preparation may be in the form of a machine dishwashing detergent or a laundry detergent.
  • the preparation may also be a part of a machine dishwashing detergent or Text washing agents include, for example, an enzyme phase, alkaline phase,
  • Rinsing phase, softening phase, disinfection phase wherein the individual parts of the preparation are stored in particular spatially separated from each other.
  • the conductivity of the preparations was measured by means of a 4-electrode standard measuring cell type Tetracon 96 from WFW-Wissenschaftlich-Technische Werkmaschinen GmbH, 82362 Weilheim, with an application range of 2 ⁇ 8 / ⁇ to 2 S / cm.
  • the dosing system according to the invention furthermore preferably comprises at least one first aqueous surfactant-containing preparation which in particular has a pH of less than 5.5, preferably less than 4, especially preferably less than 3.5 (10% solution, 20 ° C.).
  • the preparations according to the invention contain
  • Acidifiers The proportion by weight of the acid (s) in the total weight of the acid (s)
  • the preparation based on the total weight of the preparation, preferably between 0.05 and 10 wt .-%, preferably between 0, 1 and 8 wt .-% and in particular between 0.2 and 5 wt .-%.
  • Suitable acidifying agents are both inorganic acids and organic acids, with particular preference given to organic acids in the context of the present application for reasons of consumer protection and handling safety.
  • Particularly preferred organic acids are the mono-, oligo- and polycarboxylic acids, in particular citric acid, acetic acid, tartaric acid, succinic acid, glutaric acid, malonic acid,
  • Adipic acid maleic acid, fumaric acid, oxalic acid and the homo- or copolymeric polycarboxylic acids.
  • Organic sulfonic acids such as amidosulfonic acids are also usable.
  • Particularly preferred preparations according to the invention contain, based on their total weight, between 0.05 and 10% by weight, preferably between 0.1 and 8% by weight and in particular between 0.2 and 5% by weight of acetic acid and / or citric acid.
  • the preparations according to the invention may also contain salts of the abovementioned acids as buffer substances. Preference is given here to the alkali metal salts and among these in turn the sodium or potassium salts.
  • the surfactants form a second essential constituent of preparations according to the invention.
  • the group of surfactants also includes, in particular, the nonionic surfactants used with particular preference. In principle, all non-ionic surfactants known to those skilled in the art
  • nonionic surfactants are used. Suitable nonionic surfactants are
  • alkyl glycosides of the general formula RO (G) x in which R corresponds to a primary straight-chain or methyl-branched, especially in the 2-position methyl-branched aliphatic radical having 8 to 22, preferably 12 to 18 carbon atoms and G is the symbol that represents a glycose unit having 5 or 6 C atoms, preferably glucose.
  • the degree of oligomerization x which indicates the distribution of monoglycosides and oligoglycosides, is an arbitrary number between 1 and 10; preferably x is 1, 2 to 1, 4.
  • nonionic surfactants of the amine oxide type for example, N-cocoalkyl-N, N-dimethylamine oxide and N-tallow alkyl-N, N-dihydroxyethylaminoxid, and the
  • Fatty acid alkanolamides may be suitable.
  • the amount of these nonionic surfactants is preferably not more than that of the ethoxylated fatty alcohols, especially not more than half thereof.
  • nonionic surfactants used either as the sole nonionic surfactant or in combination with other nonionic surfactants are alkoxylated, preferably ethoxylated or ethoxylated and propoxylated fatty acid alkyl esters, preferably having from 1 to 4 carbon atoms in the alkyl chain.
  • washing or cleaning agents in particular automatic dishwashing detergents, contain nonionic surfactants from the group of the alkoxylated alcohols.
  • the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or linear and methyl-branched radicals may be present in the mixture, as they are usually present in oxo-alcohol radicals.
  • EO ethylene oxide
  • alcohol ethoxylates with linear radicals of alcohols of natural origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 moles of EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols for example, Ci include 2 -i4 alcohols containing 3 EO or 4 EO, n-alcohol with 7 EO, C-ms alcohols containing 3 EO, 5 EO, 7 EO or 8 EO, C 2 - i 8 -alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of Ci 2 -i4-alcohol with 3 EO and Ci 2 -i 8-alcohol with 5 EO.
  • the degrees of ethoxylation given represent statistical averages that are appropriate for a particular product of a whole or a fractional number can match.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow rank ethoxylates, NRE). In addition to these
  • Nonionic surfactants can also be used fatty alcohols with more than 12 EO. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
  • Ethoxylated nonionic surfactants which -2o- from C 6 monohydroxy alkanols or C 6 -2O alkylphenols or C 6 -2O fatty alcohols and more than 12 mol, preferably more than 15 mol and in particular more than 20 moles of ethylene oxide per mole Alcohol was used.
  • a particularly preferred nonionic surfactant is selected from a straight chain fatty alcohol having 16 to 20 carbon atoms (C 6 -2O alcohol), preferably a cis-alcohol and at least 12 moles, preferably at least 15 mol and
  • Nonionic surfactants which have a melting point above room temperature.
  • the nonionic surfactant solid at room temperature preferably has propylene oxide units in the molecule.
  • such PO units make up to 25 wt .-%, more preferably up to 20 wt .-% and in particular up to 15 wt .-% of the total molecular weight of the nonionic surfactant from.
  • Particularly preferred nonionic surfactants are ethoxylated monohydroxyalkanols or alkylphenols which additionally have polyoxyethylene-polyoxypropylene block copolymer units.
  • the alcohol or alkylphenol content such
  • Nonionic surfactant molecules preferably make up more than 30% by weight, more preferably more than 50% by weight and in particular more than 70% by weight, of the total molecular weight of such nonionic surfactants.
  • Preferred agents are characterized in that they contain ethoxylated and propoxylated nonionic surfactants in which the propylene oxide units in the molecule up to 25 wt .-%, preferably up to 20 wt .-% and in particular up to 15 wt .-% of the total molecular weight of the nonionic Make up surfactants.
  • surfactants come from the groups of alkoxylated nonionic surfactants, in particular the ethoxylated primary alcohols and mixtures of these surfactants structurally complicated surfactants such as
  • nonionic surfactants are also characterized by good foam control. Further particularly preferably used nonionic surfactants with melting points above room temperature contain 40 to 70% of a
  • Polyoxypropylene / polyoxyethylene / polyoxypropylene block polymer blends comprising 75% by weight of a reverse block copolymer of polyoxyethylene and polyoxypropylene with 17 moles of ethylene oxide and 44 moles of propylene oxide and 25% by weight of a block copolymer of
  • Polyoxyethylene and polyoxypropylene initiated with trimethylolpropane and containing 24 moles of ethylene oxide and 99 moles of propylene oxide per mole of trimethylolpropane.
  • nonionic surfactants have been low-foaming nonionic surfactants which contain alternating ethylene oxide and ethylene oxide
  • surfactants with EO-AO-EO-AO blocks are preferred, wherein in each case one to ten EO or AO groups are bonded to each other before a block of the other groups follows.
  • R2 R3 preferred, in which R stands for a straight-chain or branched, saturated or mono- or polyunsaturated C6 -24 alkyl or alkenyl group; each group R 2 or R 3 is independently selected from -CH 3 , -CH 2 CH 3 , -CH 2 CH 2 -CH 3 , CH (CH 3 ) 2 and the indices w, x, y, z independently stand for integers from 1 to 6.
  • the preferred nonionic surfactants of the above formula can be prepared by known methods from the corresponding alcohols R -OH and ethylene or alkylene oxide.
  • the radical R in the above formula may vary depending on the origin of the alcohol. If native sources are used, the radical R has an even number of carbon atoms and is usually unbranched, the linear radicals being selected from alcohols of natural origin having 12 to 18 C atoms, for example from coconut, palm, tallow or oleyl alcohol , are preferred.
  • Alcohols which are accessible from synthetic sources are, for example, the Guerbet alcohols or methyl-branched or linear and methyl-branched radicals in the 2-position, as they are usually present in oxo alcohol radicals.
  • nonionic surfactants are preferred R in the above formula is an alkyl radical having 6 to 24, preferably 8 to 20, particularly preferably 9 to 15 and in particular 9 to 1 1 carbon atoms.
  • alkylene oxide unit which is contained in the preferred nonionic surfactants in alternation with the ethylene oxide unit, in particular butylene oxide is considered in addition to propylene oxide.
  • R 2 or R 3 are independently selected from - CH 2 CH 2 -CH 3 or -CH (CH 3 ) 2 are suitable.
  • nonionic surfactants having a C9-15 alkyl group having 1 to 4 ethylene oxide units followed by 1 to 4 propylene oxide units followed by 1 to 4 ethylene oxide units followed by 1 to 4 propylene oxide units.
  • These surfactants have the required low viscosity in aqueous solution and can be used according to the invention with particular preference.
  • R -CH (OH) CH 2 O- (AO) w - (AO) x - (A "O) y - (A" O) z -R 2 in which R and R 2 independently of one another a straight-chain or branched, saturated or mono- or polyunsaturated C 2 -4-alkyl or alkenyl radical;
  • A, ⁇ ', A "and A'" independently represent a radical from the group -CH 2 CH 2 , -CH 2 CH 2 -CH 2 , -CH 2 - CH (CH 3 ), -CH 2 -CH 2 -CH 2 -CH 2 , -CH 2 -CH (CH 3 ) -CH 2 -, -CH 2 -CH (CH 2 -CH 3 ); and
  • w, x, y and z are values between 0.5 and 90, where x, y and / or z can also be 0 are preferred according to the invention.
  • end-capped poly (oxyalkylated) nonionic surfactants which, in accordance with the formula R 0 [CH 2 CH 2 O] x CH 2 CH (OH) R 2 , in addition to a radical R which is linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 2 to 30 carbon atoms, preferably having 4 to 22 carbon atoms, furthermore a linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radical R 2 having 1 to 30 carbon atoms, where x is between 1 and 90, preferably for values between 30 and 80 and in particular for values between 30 and 60.
  • Particularly preferred are surfactants of the formula
  • R 0 [CH 2 CH (CH 3 ) O] x [CH 2 CH 2 O] y CH 2 CH (OH) R 2 , in which R is a linear or branched aliphatic hydrocarbon radical having 4 to 18 carbon atoms or mixtures thereof, R 2 is a linear or branched hydrocarbon radical having 2 to 26 Carbon atoms or mixtures thereof, and x represents values between 0.5 and 1.5, and y represents a value of at least 15.
  • R and R 2 are independent each represent a linear or branched, saturated or mono- or polyunsaturated hydrocarbon radical having 2 to 26 carbon atoms
  • R 3 is independently selected from -CH 3 , -CH 2 CH 3 , -CH 2 CH 2 -CH 3 , - CH (CH 3 ) 2 , but preferably represents -CH 3
  • Hydroxyl group on one of the two terminal alkyl radicals can be compared to
  • poly (oxyalkylated) nonionic surfactants of the formula R 0 [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 , in which R and R 2 are linear or branched, saturated or unsaturated, aliphatic or aromatic hydrocarbon radicals having 1 to 30 carbon atoms, R 3 is H or a methyl, ethyl, n-propyl, iso-propyl, n-butyl, 2-butyl or 2-methyl-2- Butyl stands, x for values between 1 and 30, k and j for values between 1 and 12, preferably between 1 and 5 stand.
  • each R 3 in the above formula R 0 [CH 2 CH (R 3 ) O] x [CH 2 ] k CH (OH) [CH 2 ] j OR 2 may be different.
  • R and R 2 are preferably linear or branched, saturated or unsaturated, aliphatic or aromatic
  • Hydrocarbon radicals having 6 to 22 carbon atoms with radicals having 8 to 18 carbon atoms being particularly preferred.
  • R 3 H, -CH 3 or -CH 2 CH 3 are particularly preferred.
  • Particularly preferred values for x are in the range from 1 to 20, in particular from 6 to 15.
  • each R 3 in the above formula may be different if x> 2.
  • the alkylene oxide unit in the square bracket can be varied.
  • the value 3 for x has been selected here by way of example and may well be larger, whereby the variation width with increasing x- Values and includes, for example, a large number (EO) groups combined with a small number (PO) groups, or vice versa.
  • R, R 2 and R 3 are as defined above and x is from 1 to 30, preferably from 1 to 20 and in particular from 6 to 18.
  • Particularly preferred are surfactants in which the radicals R and R 2 Have 9 to 14 carbon atoms, R 3 is H and x assumes values of 6 to 15.
  • the stated C chain lengths and degrees of ethoxylation or degrees of alkoxylation of the abovementioned nonionic surfactants represent statistical mean values which, for a specific product, may be an integer or a fractional number. Due to the manufacturing process, commercial products of the formulas mentioned are usually not made of an individual representative, but of mixtures, which may result in mean values for the C chain lengths as well as for the degrees of ethoxylation or degrees of alkoxylation and subsequently broken numbers. Of course, the aforementioned nonionic surfactants can not only be used as
  • the proportion by weight of the nonionic surfactants in the total weight of the preparation according to the invention in a preferred embodiment is between 1, 0 and 25 wt .-%, preferably between 2.0 and 20 wt .-%, preferably between 3.0 and 17 wt .-% and in particular between 5.0 and 15 wt .-%.
  • the formulations according to the invention for release in the rinse cycle contain water, the weight fraction of the water in the total weight of the composition preferably being between 1.0 and 90% by weight, preferably between 2.0 and 80% by weight and in particular between 5.0 and 70 Wt .-% is. Very particularly preferred
  • Preparations have a water content of between 30 and 90% by weight, preferably between 40 and 80% by weight and in particular between 50 and 70% by weight.
  • the preparations according to the invention may contain non-aqueous solvents. It has been found that the addition of organic solvents, the surface properties of the walls of the washing compartment can be influenced in favorable for the desired signal transmission manner.
  • the proportion by weight of the organic solvents in the total weight of the preparation according to the invention is preferably between 1, 0 and 30 wt .-%, preferably between 2.0 and 25 wt .-% and in particular between 4.0 and 20 wt .-%.
  • Non-aqueous solvents which can be used in the preparations according to the invention are derived, for example, from the group of monohydric or polyhydric alcohols, alkanolamines or glycol ethers.
  • the solvents are selected from ethanol, n- or i-propanol, butanols, glycol, propane or butanediol, glycerol, diglycol, propyl or butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether, etheylene glycol mono-n-butyl ether, diethylene glycol methyl ether , Diethylene glycol ethyl ether, propylene glycol methyl, ethyl or propyl ether,
  • the organic solvents have proven to be from the group of organic amines and / or alkanolamines.
  • Particularly preferred organic amines are the primary and secondary alkylamines, the alkyleneamines and mixtures of these organic amines.
  • the group of preferred primary alkylamines include monomethylamine, monoethylamine, monopropylamine, monobutylamine, monopentylamine and cyclohexylamine.
  • the group of preferred secondary alkylamines includes in particular dimethylamine.
  • Preferred alkanolamines are especially the primary, secondary and tertiary
  • Alkanolamines and mixtures thereof are monoethanolamine (2-aminoethanol, MEA), monoisopropanolamine, diethylethanolamine (2- (diethylamino) ethanol).
  • Particularly preferred secondary alkanolamines are diethanolamine (2,2-lminodiethanol, DEA, bis (2-hydroxyethyl) amine), N-methyl-diethanolamine, N-ethyl-diethanolamine. Diisopropanolamine and morpholine.
  • Alkanolamines are triethanolamine and triisopropanolamine.
  • the preparations according to the invention may furthermore contain hydrotropes.
  • Preferred hydrotropes are xylene and cumene sulfonate as well as urea and N-methylacetamide.
  • Preparations preferred in the context of the present invention comprise toluene, cumene or xylene sulfonate in amounts of from 0.5 to 15% by weight, preferably from 1 to 0 to 12% by weight, particularly preferably from 2.0 to 10% by weight. -% and in particular from 2.5 to 8 wt .-%, each based on the total weight of the preparation.
  • Glass corrosion inhibitors included. Preferred glass corrosion inhibitors come from the group of zinc salts and zinc complexes.
  • the spectrum of the preferred zinc salts according to the invention ranges from salts which are difficult or insoluble in water, ie a solubility below 100 mg / l, preferably below 10 mg / l, in particular below 0.01 mg / l, to those salts which have a solubility in water above 100 mg / l, preferably above 500 mg / l, more preferably above 1 g / l and especially above 5 g / l (all solubilities at 20 ° C water temperature).
  • the first group of zinc salts includes, for example, the zinc nitrate, the zinc oleate and the zinc stearate
  • the group of soluble zinc salts includes, for example, zinc formate, zinc acetate, zinc lactate and zinc gluconate.
  • the glass corrosion inhibitor at least one zinc salt of an organic carboxylic acid, more preferably a zinc salt from the group zinc stearate, zinc oleate, zinc gluconate, zinc acetate, zinc lactate and Zinkeitrat used.
  • Zinc ricinoleate, zinc abietate and zinc oxalate are also preferred.
  • Nonionic surfactant 1 0 - 25 2.0 - 20 3.0 - 17 5.0 - 15 5.0 - 15
  • Nonionic surfactant 1.0-25 2.0-20 3.0-17 5.0-15 5.0-15
  • Org. Solvent 0-30 0 to 25 0 to 25 0-20 0-20
  • Nonionic surfactant 1.0-25 2.0-20 3.0-17 5.0-15 5.0-15
  • Nonionic surfactant 1.0-25 2.0-20 3.0-17 5.0-15 5.0-15
  • a sensor is a sensor or sensor that has certain physical or chemical properties and / or material properties
  • a sensor may comprise one or more active and / or passive sensors for the qualitative and / or quantitative detection of mechanical, electrical, physical and / or chemical variables, which are passed as control signals to at least one control unit. It is preferred that the metering system according to the invention comprises a sensor for detecting the conductivity, whereby in particular the presence of water or the spraying of water, in particular in a dishwashing machine or washing machine, is detected.
  • the conductivity sensor is arranged in or on the dosing device.
  • the dosing system particularly preferably has at least one further sensor which is suitable for detecting a temperature.
  • the temperature sensor is designed in particular for detecting a water temperature.
  • the dosing system has at least one further sensor which can determine physical, chemical and / or mechanical parameters from the environment of the dosing unit.
  • the sensors from the group of timers, temperature sensors, infrared sensors, brightness sensors, temperature sensors, motion sensors,
  • Sensors force sensors, acceleration sensors, inclination sensors, pH sensors, moisture sensors, magnetic field sensors, RFID sensors, magnetic field sensors, Hall sensors, biochips, odor sensors, hydrogen sulfide sensors and / or MEMS sensors.
  • At least two sensors are provided for measuring mutually different parameters, wherein very particularly preferably one sensor is a conductivity sensor and another sensor is a temperature sensor. Furthermore, it is preferred that at least one sensor is a brightness sensor.
  • the sensors are in particular adapted to detect the beginning, course and end of a washing or rinsing program within a dishwasher or washing machine.
  • the sensor combinations listed in the following table can be used Sensor 1 Sensor 2 Sensor 3 Sensor 4
  • the conductivity sensor can be detected, for example, whether the
  • Conductivity sensor is wetted by water, so that, for. determine if there is water in the dishwasher or washing machine.
  • the conductivity or conductivity sensor may consist of an electrically conductive anode and a cathode which protrude from the housing of the metering device into the interior of the dishwasher or washing machine or are electrically conductively connected to the interior of the dishwashing machine or washing machine.
  • the distance between the anode and cathode is selected so that an electrically conductive water bridge between the anode and cathode can form during operation of the dishwasher or the washing machine, which can be measured by a drop in the resistance between the anode and cathode.
  • Rinsing and washing programs usually have a characteristic temperature profile, the u.a. example in a dishwasher. is determined by the heating of the rinse water and the drying of the dishes, which can be detected by a temperature sensor.
  • a brightness sensor for example, the light incidence into the interior of a
  • Dishwasher be detected when you open the dishwasher door, resulting in e.g. indicates an end to the washing program.
  • a turbidity sensor can also be provided. From this it is also possible, for example, to select a dosing program in the dosing device that applies to the determined contamination situation.
  • Detecting sound sensor by specific sound and / or vibration emissions for example when pumping or pumping out of water, are detected.
  • the data line between the sensor and the control unit can be realized via an electrically conductive cable or wirelessly.
  • at least one sensor outside the dosing device is positioned or positionable in the interior of a dishwasher and a data line - in particular wireless - for transmitting the measured data from the sensor to the dosing device is formed.
  • a wirelessly formed data line is in particular by the transmission
  • a wireless data line can also be designed according to standardized standards such as Bluetooth, IrDA, IEEE 802, GSM, UMTS, etc.
  • At least one sensor is arranged on or in the control unit.
  • the senor is arranged at the bottom of the dosing device, the bottom of the dosing device being directed downward in the direction of gravity in the position of use.
  • the sensor unit comprises a temperature and / or a conductivity sensor.
  • the energy consumers of the metering device To extend the energy consumption of the metering device or the life of the energy source, in particular a battery, the energy consumers of the
  • Dosing device in particular the control unit, be included with the inclusion of an on / off switch to the power source and the energy source only after reaching the State of the on / off switch loaded with a sensor unit forms the on / off switch or connected to this and switches this.
  • the conductivity sensor has two contacts in contact with the environment, in particular designed as projecting from the dosing contact pins that a contact as anode contact and the other contact is connected as a cathode contact with respect to the energy source and that without electrically conductive connection between the contacts of the off-state located on / off switch remains in the off state and upon the emergence of an electrically conductive connection between the contacts of the off-state on / off switch in the on state on.
  • the on / off switch is provided or combined with a self-holding circuit which ensures latching of the energy supply of the energy consumers after reaching the on state of the on / off switch up to a switch-off signal of the control unit . causes.
  • the on / off switch can be designed in particular as a transistor circuit. It is preferable that the transistor of the on / off switch designed as a pnp transistor and the emitter, possibly via a drive circuit, to the supply voltage to the collector, possibly via a drive circuit to ground and to the cathode contact and the base on the one hand, possibly via a drive circuit, to the supply voltage, on the other hand, if necessary via a drive circuit to the anode contact, is connected.
  • the drive circuit preferably has at least one drive resistor, which is designed in particular as a resistance voltage divider.
  • Conductive sensor sensor unit is provided which has two contacts in contact with the environment and that the anode contact of the on / off sensor unit is simultaneously the anode contact of the sensor unit forming the conductivity sensor. This will allow an on / off switch and a
  • Conductivity sensor in a component a transistor to realize.
  • the sensor unit forming the temperature sensor may be integrated in a contact, in particular the cathode contact, of the sensor unit forming the conductivity sensor.
  • the contact of the sensor unit forming the conductivity sensor, which receives the temperature sensor may preferably be designed as a hollow contact pin, in which the temperature sensor of the sensor unit forming the temperature sensor is arranged.
  • the contacts of a conductivity sensor are surrounded by an electrically conductive silicone.
  • the conductivity sensor can in this case
  • the silicone is flush-mounted in the bottom of the metering device.
  • the silicone has an approximately circular base. The silicone shows a good wettability with water and thus provides good measurement results with regard to the detection of water in the dishwasher or
  • a control unit in the sense of this application is a device which is suitable for influencing the transport of material, energy and / or information.
  • the control unit influences actuators with the aid of information, in particular measurement signals from the sensors, which it processes in the sense of the control target.
  • control unit may be a programmable microprocessor.
  • control unit may be a programmable microprocessor.
  • control unit is on the
  • Microprocessor stored a plurality of dosing programs, which are selectable and executable in a particularly preferred embodiment according to the container coupled to the dosing device.
  • the control unit is coupled to the existing controller of the household appliance.
  • this coupling is wireless.
  • Dishwasher preferably on or in the door of the dishwasher Positioned dosing chamber, which wirelessly transmits a signal to the dosing unit, when the control of the household appliance, the dosage, for example, a
  • the control unit can store several programs for releasing different preparations or releasing products in different applications.
  • data such as e.g. Control and / or dosing programs of the control unit or stored by the control unit operating parameters or protocols from the control unit read or in the
  • Control unit to be loaded This can be realized for example by means of an optical interface, wherein the optical interface is correspondingly connected to the control unit.
  • the data to be transmitted are then coded and transmitted or received as light signals, in particular in the visible range, the wavelength range between 600-800 nm being preferred.
  • a present in the metering sensor for transmitting data from and / or to the control unit.
  • the contacts of a conductivity sensor which are connected to the control unit and the conductivity determination by means of a
  • Resistance measurement at the contacts of the conductivity sensor provides, for
  • Data transmission can be used.
  • a cartridge is understood to mean a packaging material which is suitable for enveloping or holding together at least one flowable, free-flowing or dispersible preparation and which can be coupled to a metering device for dispensing at least one preparation.
  • the cartridge has a preferably rigid chamber for storing a preparation.
  • a cartridge can also comprise a plurality of chambers which can be filled with mutually different compositions.
  • the cartridge has at least one outlet opening, which is arranged such that a gravity-induced release of preparation from the cartridge in the position of use of the dosing device can be effected.
  • no further funding for the release of preparation from the cartridge is required, whereby the structure of the metering device is kept simple and the production costs low can.
  • the use of funding, such as pumps can be omitted, whereby the life of a battery or batteries of the dosing device can be increased.
  • At least one second chamber is provided for receiving at least one second flowable preparation, wherein the second chamber has at least one outlet opening which is arranged such that a gravitational product release from the second chamber in the
  • the arrangement of a second chamber is particularly advantageous if in the separate chambers of the cartridge preparations are stored, which are usually not stable to each other, such as bleaching agents and enzymes.
  • one of the chambers may be for delivering volatile preparations such as a fragrance to the environment
  • the cartridge is integrally formed.
  • the cartridges in particular by suitable blow molding, cost-effectively trained in a manufacturing step.
  • the chambers of a cartridge can in this case, for example, by webs or bridges of material during or after the
  • Blow molding be formed, separated from each other.
  • the cartridge can also be formed in several pieces by injection molded and then assembled components.
  • the cartridge may also be asymmetrical. It is particularly preferred to form the asymmetry of the cartridge in such a way that the cartridge can only be coupled to the dosing device in a predefined position in which an otherwise possible incorrect operation by the user is prevented.
  • one or more chambers in addition to a, preferably bottom-side outlet opening each have a liquid-tight sealable, preferably head-side second chamber opening. Through this chamber opening, it is possible, for example, to refill stored in this chamber preparation.
  • the cartridge can take on any spatial form. It can for example be cube-shaped, spherical or plate-like.
  • the cartridge and the dosing device can in particular be configured with respect to their spatial form such that they ensure the least possible loss of useful volume, in particular in a dishwasher.
  • the dispenser in dishwashers, it is particularly advantageous to mold the device based on dishes to be cleaned in dishwashers. So this example, plate-shaped, be formed in approximately the dimensions of a plate.
  • the metering device can save space, e.g. be positioned in the lower basket of the dishwasher.
  • the correct positioning of the dosing unit opens up to the user intuitively through the plate-like shape.
  • the metering device and the cartridge in the mutually coupled state a ratio of height: width: depth between 5: 5: 1 and 50:50: 1, particularly preferably from about 10:10: 1.
  • the metering system is dimensioned in an advantageous embodiment of the invention such that a positioning of the metering only in the appropriate receptacles of the lower basket is enabled.
  • the width and the height of the metering system can be selected in particular between 150 mm and 300 mm, particularly preferably between 175 mm and 250 mm.
  • the metering unit in cup shape or pot shape with a substantially circular or square base.
  • the outlet openings of a cartridge are preferably arranged in a line, whereby a slender, plate-shaped design of the dosing device is made possible.
  • the discharge openings of the cartridge may also be advantageous to arrange the discharge openings of the cartridge, for example in a circular arc.
  • the cartridge is formed in particular dimensionally stable. However, it is also conceivable to design the cartridge as a flexible packaging such as a tube. Furthermore, it is also possible to use flexible containers such as bags, in particular if they are inserted into a substantially dimensionally stable receptacle in accordance with the "bag-in-bottle" principle
  • the cartridge is designed in particular for receiving flowable detergents or cleaners, and more preferably, such a cartridge has a plurality of cartridges
  • all preparations are free-flowing, since this ensures rapid dissolution of the preparations in the washing liquor of the dishwasher, as a result of which these preparations have a rapid to immediate cleaning or rinsing action, in particular also on the walls of the washing compartment and / or a light guide of the cartridge and / or the dosing achieve.
  • the cartridge usually has a total filling volume of ⁇ 5,000 ml, in particular ⁇ 1,000 ml, preferably ⁇ 500 ml, more preferably ⁇ 250 ml, most preferably ⁇ 50 ml.
  • the chambers of a cartridge may have the same or different filling volumes.
  • the ratio is
  • Chamber volumes preferably 5: 1, in a configuration with three chambers preferably 4: 1: 1, these configurations are particularly suitable for use in dishwashers.
  • the cartridge preferably has three chambers.
  • one chamber contains an alkaline cleaning preparation, another chamber an enzymatic preparation and a third chamber a rinse aid, wherein the
  • the chamber containing the alkaline cleaning preparation preferably has the largest filling volume of the existing chambers.
  • the chambers, which store an enzymatic preparation or a rinse aid have approximately equal filling volumes.
  • a two- and / or three-chamber design of the cartridge is in particular possible to stockpile in particular a perfume, disinfectant and / or Vor harmonyszurung in a detachably arranged on the cartridge or the dosing, another chamber.
  • the cartridge comprises a cartridge bottom, which in the position of use in
  • Direction of gravity is directed downward and at the preferred for each chamber at least one arranged in the direction of gravity bottom outlet opening is provided.
  • the outlet openings arranged on the bottom side are in particular designed such that at least one, preferably all, outlet openings can communicate with the inlet openings of the dosing device, ie preparation via the outlet openings from the cartridge into the dosing device, preferably gravitationally effected, can flow in.
  • one or more chambers have a not arranged in the direction of gravity bottom outlet opening. This is particularly advantageous if, for example, a fragrance is to be delivered to the environment of the cartridge.
  • the cartridge for coupling with a positionable within a domestic appliance dosing device for dispensing at least one detergent and / or detergent preparation, at least one chamber for storing at least one flowable or free-flowing washing and / or
  • Detergent preparation on wherein the cartridge is coupled in the coupled state with the dosing device before entering rinse water in the chamber (s) and the cartridge at least one bottom in the direction of gravity discharge opening for - in particular gravitational - release of preparation of at least one chamber and at least one in the direction of gravity bottom-side ventilation opening for ventilation of at least one chamber, wherein the ventilation opening is separated from the discharge opening and the ventilation opening communicating with at least one chamber of the cartridge is connected.
  • the cartridge comprises at least two chambers, very particularly preferably at least three chambers.
  • one ventilation opening and one discharge opening are provided for each chamber.
  • the bottom-side ventilation opening is communicatively connected to a ventilation duct whose end facing away from the ventilation opening in the dispensing position of the cartridge coupled to the dosing device opens above the maximum fill level of the cartridge.
  • the ventilation duct is completely or partially formed in or on the walls and / or webs of the cartridge.
  • the ventilation channel can be integrally formed in or on the walls and / or webs of the cartridge.
  • the ventilation duct can advantageously be formed by joining at least two elements forming the cartridge.
  • a ventilation duct may be formed by joining a separating web of the cartridge formed in the shell-shaped element with two webs which surround the separating web and are arranged on the cartridge element.
  • the ventilation channel is formed by integral joining, in particular by welding, of a separating web of the cartridge formed in the shell-shaped element with two webs which surround the separating web and are arranged on the cartridge element.
  • the ventilation duct for example, as so-called. Be formed dip-tube.
  • the coupling of the cartridge with the metering device is advantageously to be designed so that the metering device is arranged with a lassöff opening of the metering communicating mandrel, which cooperates with the couplable cartridge or cartridge chamber in such a way that when coupling the ventilation opening of the Cartridge or
  • vent opening of a chamber is communicatively connected to the dosing device side mandrel before the closed outlet opening of the corresponding chamber is opened, for example by the communicating connection with the inlet opening of the dosing device.
  • the cartridge may be configured to be detachable or fixed in or on the
  • Dosing and / or a dishwasher or washing machine and / or clothes dryer can be arranged.
  • Fig. 2 metering device with two-chamber cartridge arranged in a drawer of a dishwasher
  • Fig. 3 Time course of the conductivity of the wash liquor during operation of a
  • Dishwasher measured with a trained on the metering conductivity sensor
  • the following embodiment describes the dosing system according to the invention for use in a dishwasher.
  • the skilled person it is readily possible for the skilled person to adapt the invention for use in a washing machine, so that the dosing system according to the invention is not limited to use for a dishwasher.
  • the metering device 2 has two metering chamber inlets 21a, 21b for repeatedly releasably receiving the corresponding outlet openings 5a, 5b of the chambers 3a, 3b of the cartridge 1.
  • display and controls 37 On the front are display and controls 37, which indicate the operating state of the dosing device 2 and act on this.
  • the Dosierhunteinlässe 21a, 21b further comprise means for the insertion of the cartridge 1 on the dosing device 2, the opening of the outlet openings 5a, 5b of the chambers 3a, 3b effect, so that in the coupled state of dosing device 2 and cartridge 1, the interior of the chambers 3a, 3b communicating with the Dosierhunteinlässen 21a, 21 b is connected.
  • the cartridge 1 may consist of one or more chambers 3a, 3b.
  • the cartridge 1 may be integrally formed with a plurality of chambers 3a, 3b or more pieces, in which case the individual chambers 3a, 3b are joined together to form a cartridge 1, in particular by cohesive, positive or non-positive
  • fixation by one or more of the types of compounds from the group of snap-in compounds, press joints, fusions,
  • Adhesive bonds Adhesive bonds, welded joints, soldered connections, screwed connections,
  • fixation can also be formed by a shrink sleeve (so-called sleeve), which is pulled in a heated state at least in sections over the cartridge and firmly encloses the cartridge in the cooled state.
  • a shrink sleeve so-called sleeve
  • the bottom of the cartridge 1 may be funnel-shaped inclined to the discharge opening 5a, 5b.
  • the inner wall of the cartridge 1 by suitable choice of material and / or Surface design be designed in such a way that a low material adhesion of the product is realized on the inner cartridge wall.
  • the residual emptying of the cartridge 1 can be further optimized.
  • the chambers 3a, 3b of the cartridge 1 may have the same or different filling volumes. In a two-chambered configuration 3a, 3b, the chamber volume ratio is preferably 5: 1, for a three-chambered configuration it is preferably 4: 1: 1, these configurations being particularly suited for use in
  • Dishwashers are suitable.
  • a connection method can also be that the chambers 3a, 3b are inserted into one of the corresponding metering chamber inlets 21a, 21b of the metering device 2 and thus fixed against each other.
  • the connection between the chambers 3a, 3b may in particular be made detachable in order to allow a separate exchange of a chamber.
  • the chambers 3a, 3b each contain a preparation 40a, 40b.
  • the preparation 40a, 40b may have the same or different composition.
  • the chambers 3a, 3b are made of a transparent material, so that the filling level of the preparations 40a, 40b is visible from the outside by the user.
  • the outlet openings 5a, 5b are designed such that they form a positive and / or non-positive, in particular liquid-tight, connection with the corresponding metering chamber inlets 21a, 21b.
  • each of the outlet openings 5a, 5b is formed so that it fits only one of the Dosierhunteinlässe 21a, 21b, thereby preventing a chamber is accidentally plugged onto a wrong Dosierhunteinlass.
  • This can be realized, for example, by outlet openings 5a, 5b and / or metering chamber inlets 21a, 21b which are different in size or different in their basic form.
  • the cartridge 1 usually has a filling volume of ⁇ 5,000 ml, in particular ⁇ 1,000 ml, preferably ⁇ 500 ml, more preferably ⁇ 250 ml, most preferably ⁇ 50 ml.
  • the dosing unit 2 and the cartridge 1 can in the assembled state
  • the geometries of the devices or in which they are applied to be adapted to ensure the least possible loss of useful volume.
  • Dishwashers form to be cleaned dishes.
  • the dosing unit 2 and the cartridge 1, for example, plate-shaped be formed in approximately the dimensions of a plate.
  • the dosing unit can be positioned to save space in the lower basket.
  • the outlet openings 5a, 5b of the cartridge 1 are preferably arranged on a line or in alignment, whereby a slender, plate-shaped design of the dosing dispenser is made possible.
  • Dishwasher door 39 of a dishwasher 38 Dishwasher door 39 of a dishwasher 38. It can be seen that the dosing device 2 with the cartridge 1 in principle at any point within the
  • Dish drawer 1 1 can be positioned, and it is advantageous to provide a dish-shaped or cup-shaped dosing 1, 2 in a corresponding plate or cup receptacle of the dish drawer 1 1.
  • a dishwasher door 39 In the dishwasher door 39 is a metering chamber 53, in which a dishwasher cleaner preparation can be given, for example in the form of a tablet. Is the dosing 1, 2 in the ready state inside the dishwasher 38, so is a
  • Fig. 3 is the basic time course of a conductivity measurement with a in
  • Dosing device integrated conductivity sensor recorded during the course of a wash program in a dishwasher The conductivity sensor is arranged in the bottom side in this example of the known from FIGS. 1 and 2 metering device.
  • the dishwasher pumps water into the treatment room and the spray arms spray the rinse water against the bottom
  • Conductivity sensor which then detects the conductivity of the rinse water (A).
  • the dosing metered the preparation with a conductivity of at least 500 ⁇ 8 / ⁇ , preferably at least 750 ⁇ 8 / ⁇ , more preferably at least 1,000 ⁇ 8 / ⁇ , most preferably at least 2,500 ⁇ 8 / ⁇ in the rinsing water.
  • the conductivity sensor detects the increase in conductivity (B) in the wash liquor until the dosage is completed at time (3). It can be seen from the sawtooth-like increase in the conductivity curve that the release of the preparation into the rinsing liquor took place at intervals.
  • the conductivity of the rinsing liquor remains during the main rinse in something at the maximum level (B), so that by the conductivity measurement a dosing control whether and whether the predetermined amount of preparation has been dosed.
  • the main rinse is terminated and it is followed by a time (5) to an intermediate rinse.
  • the conductivity value lying slightly above the conductivity of the rinsing water (A) results from the preparation still rinsed off from the items to be washed, which is still found in the rinsing liquor. Only in the final-rinse program (between (5) - (6)) does the conductivity return to its initial value (A) as at the beginning of the wash program.

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Abstract

L'invention concerne un système de dosage qui comprend un appareil de dosage (2) pouvant être placé à l'intérieur d'un appareil ménager à circulation d'eau et destiné à distribuer au moins une préparation (40a, 40b) à l'intérieur de l'appareil ménager à circulation d'eau (38), une cartouche (1) pouvant être couplée à l'appareil de dosage (2) pour l'approvisionnement en au moins une préparation (40a, 40b) coulante, un capteur de conductivité pouvant être positionné dans ou contre l'appareil de dosage de manière à permettre une détermination de la conductivité du bain de lavage ou de rinçage pendant le fonctionnement de l'appareil ménager à circulation d'eau (38), une unité de commande couplée au moins au capteur de conductivité. Selon l'invention, au moins une préparation (40a, 40b) a une conductivité d'au moins 500μS/cm, de préférence d'au moins 750μS/cm, mieux encore d'au moins 1.000 μS/cm, et idéalement d'au moins 2.500 μS/cm, et l'appareil de dosage (2) est conçu de telle sorte qu'au moins 20 ml, de préférence au moins 30 ml, et mieux encore au moins 50 ml de la préparation (40a, 40b), pendant le fonctionnement de l'appareil ménager à circulation d'eau (38), soit transportée hors de l'appareil de dosage (2) vers l'intérieur de l'appareil ménager à circulation d'eau (38).
PCT/EP2010/062235 2010-03-11 2010-08-23 Système de dosage avec contrôle de dosage pour un appareil ménager à circulation d'eau WO2011110244A1 (fr)

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AT515709A1 (de) * 2014-04-30 2015-11-15 Hans Georg Hagleitner Dosiersystem zur dosierten Abgabe von in Gebinden gelagerten chemischen Substanzen an eine Geschirrspülmaschine oder Waschmaschine
DE102016205756A1 (de) 2016-04-07 2017-10-12 BSH Hausgeräte GmbH Verfahren zur verbesserten Steuerung eines wasserführenden Haushaltsgerätes und hierzu geeignetes Haushaltsgerät
DE102016210169A1 (de) 2016-06-09 2017-12-14 BSH Hausgeräte GmbH Verfahren zur verbesserten Steuerung eines wasserführenden Haushaltsgerätes und hierzu geeignetes Haushaltsgerät
DE102016211328A1 (de) 2016-06-24 2017-12-28 BSH Hausgeräte GmbH Verfahren zur verbesserten Steuerung eines wasserführenden Haushaltsgerätes und hierzu geeignetes Haushaltsgerät
DE102017209135A1 (de) 2017-05-31 2018-12-06 BSH Hausgeräte GmbH Verfahren zur Steuerung eines wasserführenden Haushaltsgerätes und hierzu geeignetes Haushaltsgerät
DE102017223324A1 (de) 2017-12-20 2019-06-27 BSH Hausgeräte GmbH Verfahren zum Betrieb eines wasserführenden Haushaltsgerätes mit einem Spektrometer und hierzu geeignetes Haushaltsgerät

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