EP3559329B1 - Unité de détection pouvant être montée à posteriori pour la commande d'un dispositif de dosage - Google Patents

Unité de détection pouvant être montée à posteriori pour la commande d'un dispositif de dosage Download PDF

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Publication number
EP3559329B1
EP3559329B1 EP17835456.9A EP17835456A EP3559329B1 EP 3559329 B1 EP3559329 B1 EP 3559329B1 EP 17835456 A EP17835456 A EP 17835456A EP 3559329 B1 EP3559329 B1 EP 3559329B1
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EP
European Patent Office
Prior art keywords
sensor unit
retrofittable
dosing device
cleaning
unit
Prior art date
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Application number
EP17835456.9A
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German (de)
English (en)
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EP3559329A1 (fr
Inventor
Arnd Kessler
Christian Nitsch
Lars Züchner
Georg WAWER
Alexander Müller
Clemens ARTH
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Priority to PL17835456T priority Critical patent/PL3559329T3/pl
Publication of EP3559329A1 publication Critical patent/EP3559329A1/fr
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Publication of EP3559329B1 publication Critical patent/EP3559329B1/fr
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    • 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
    • A47L15/42—Details
    • A47L15/4297—Arrangements for detecting or measuring the condition of the washing water, 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
    • 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
    • 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
    • A47L15/449—Metering controlling devices
    • 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
    • D06F34/04—Signal transfer or data transmission arrangements
    • 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
    • A47L2401/10—Water cloudiness or dirtiness, e.g. turbidity, foaming or level of bacteria
    • 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
    • A47L2401/11—Water hardness, acidity or basicity
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • 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
    • D06F2103/18—Washing liquid level
    • 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

Definitions

  • the invention relates to a sensor unit for controlling a dosing device of a cleaning machine and a method for dosing cleaning agents.
  • a well-known problem when cleaning with the help of cleaning machines relates to the dosage of the cleaning agent used, in particular with regard to the optimal time for dispensing the cleaning substance and the optimal amount. Both too low and too high a dosage of cleaning agents lead to an unsatisfactory washing result. If the dosage is too high, energy, cleaning agents and water are used unnecessarily, which not only increases costs but also puts additional strain on the environment.
  • the international patent application WO 03/100153 discloses a sensor device capable of sensing chemical or physical properties in a liquid medium.
  • the German patent application DE102010003770 discloses a dishwasher, in particular a household dishwasher, with a washing compartment, wherein detergents can be metered into the washing compartment with the aid of a control unit.
  • cleaning machines with integrated automatic dosing systems which use various sensors to identify certain operating states of cleaning machines and, depending on the operating states, dispense detergent to the cleaning machines in doses, so that a single cleaning process preferably includes a large number of dosing processes.
  • cleaning machines with integrated automatic dosing systems are still only found in a few households.
  • a retrofittable sensor unit for controlling a dosing device of a cleaning machine comprising: a detection module having at least one sensor, set up for detecting measured variables; at least one control unit set up to determine a current state of soiling of items to be cleaned on the basis of the measured variables recorded; at least one communication unit set up for communication with at least one dosing device, in particular set up for transmitting a dosing command to at least one dosing device depending on the current state of soiling of the items to be cleaned; wherein the retrofittable sensor unit can be arranged separately from the dosing device.
  • Cleaning machines are understood to mean in particular household machines such as washing machines, dishwashers, tumble dryers, mangles and the like, but cleaning machines can also be understood to mean large kitchen appliances or appliances from dry cleaning companies.
  • the detection module of the retrofittable sensor unit has at least one sensor for detecting measured variables of a cleaning solution, in particular at least one sensor for measuring viscosity, turbidity, pollen load, water hardness, color rinsing, pH value, or smell.
  • a sensor for detecting measured variables of a cleaning solution can be arranged on a housing of a sensor unit that can be retrofitted, preferably in a recess in a housing of a sensor unit that can be retrofitted.
  • the sensor can preferably be connected to the retrofittable sensor unit in a force-fitting or material-locking manner.
  • the sensor is preferably screwed or glued to a housing or to a recess in a housing of the retrofittable sensor unit.
  • the sensor can also be integrated into a housing of the retrofittable sensor unit, preferably in a detection channel of a retrofittable sensor unit.
  • the sensor can be part of the sensor unit that can be retrofitted in the factory state, or also be part of a system that can be retrofitted.
  • the detection module of the retrofittable sensor unit has at least one mini or micro camera for detecting measured variables of items to be cleaned.
  • the camera can be suitable for capturing additional information about the condition of the items to be cleaned.
  • the camera can preferably record images of the washing suds and/or the items to be cleaned, which can then be evaluated by the control unit of the retrofittable sensor unit using modern image processing algorithms. This is particularly advantageous because the determination of a soiling state of items to be cleaned can depend heavily on the respective material of the items to be cleaned. Some materials are more difficult to clean than others, so in this case it would be advisable to continue the cleaning process accordingly.
  • a retrofittable sensor unit that can be used in different cleaning machines is able to distinguish whether the items to be cleaned are, for example, the dishes in a dishwasher or the textiles to be cleaned in a washing machine.
  • the mini or micro cameras be comprehensive as digital cameras a CCD image sensor are formed.
  • a camera with a CCD sensor is particularly useful due to its high sensitivity to light.
  • the mini or micro cameras in particular in a cost-effective and energy-saving design, can also be equipped with CMOS image sensors
  • the resolution of the mini or microcameras be chosen so large that a sufficiently high resolution recording of the surface structure of the items to be cleaned is given, but nevertheless a sufficiently high light sensitivity is guaranteed is. It is therefore proposed according to a preferred exemplary embodiment that the mini or micro cameras have a resolution of no greater than 8 MP, preferably no greater than 6 MP, in particular no greater than 4 MP.
  • a cleaning machine can be filled with different amounts of items to be cleaned, so that a statement about a sensor for detecting measured variables of a cleaning solution can possibly lead to different results.
  • sensors can therefore advantageously also be arranged on the retrofittable sensor unit and/or the dosing device and/or the cleaning machine, which can contribute to the soiling status of items to be cleaned being able to be determined more quickly and more precisely.
  • At least one sensor for measuring geometric or mechanical measured variables can be arranged, in particular a position, distance, position or fill level sensor, a particle size sensor, a pollen load sensor, a layer thickness sensor, a light sensor, a Force, mass, pressure or viscosity sensor, a surface tension or torque sensor.
  • At least one sensor for measuring dynamic, thermal or caloric parameters can be used in addition to a sensor for detecting measured variables of a cleaning solution be arranged, in particular a time, wavelength, speed or rpm sensor, a temperature, thermal conductivity or heat flow sensor; a humidity sensor, a particle density sensor; a photon counter, a fiber optic sensor or a color value sensor.
  • At least one sensor for measuring the following measured variables can be arranged: climatic measured variables; optical or acoustic measurements; electrical measurements; chemical, biological or medical parameters.
  • one of the following sensor types can be arranged in addition to a sensor for detecting measured variables of a cleaning solution: turbidity sensor, refractive index sensor, spectral distribution sensor, infrared sensor, UV sensor, contrast sensor; Sound, structure-borne or ultrasonic sensor, volume sensor; Voltage, capacitance or field strength sensor, magnetic flux density sensor or inductance sensor; electrochemical sensor, pH value sensor, ion-selective sensor, in particular water hardness sensor, odor sensor or paint flushing sensor.
  • the retrofittable sensor unit has a control unit that determines the current level of soiling of items to be cleaned and, based on the determined level of soiling, can send a dosing command to a mobile dosing device or make other settings and configurations on the mobile dosing device.
  • control unit preferably has access to all measured variables recorded by the various sensors and cameras of the detection module, on the basis of which the control unit can determine a current state of soiling of the items to be cleaned.
  • control unit of the retrofittable sensor unit can preferably access a database in which values for various measured variables, in particular as a function of a specific machine type, are stored. These can be, for example, viscosity values for different machine types depending on the temperature, the cleaning agent added, and the like. Likewise, surface profiles of a wide variety of materials can be stored in the database, so that the control unit can determine the material of an item to be cleaned by comparing the images recorded by the mini or micro camera.
  • control unit of the retrofittable sensor unit preferably issues commands to the mobile dosing device.
  • the retrofittable sensor unit and the mobile dosing device are advantageously in wireless contact with one another.
  • the communication unit of the retrofittable sensor unit is designed as a wireless communication unit, set up for wireless communication, in particular via WLAN, Bluetooth, Zigbee, NFC, Wibree, WiMAX, Measurable Networks, IrDA or optical radio link. This favors in particular a separate arrangement of the retrofittable sensor unit from the dosing device.
  • the retrofittable sensor unit can thus be arranged inside the cleaning machine and the dosing device separately from the sensor unit, for example in the dispenser drawer of a cleaning machine, which leaves more space for objects to be cleaned than if the retrofittable sensor unit and the mobile dosing device are arranged together inside the Machine.
  • the retrofittable sensor unit is arranged on the back of the washing drum of a washing machine—preferably centrally above the rotary shaft of the washing drum—so that the sensor unit rotates about the axis of rotation of the drum when the washing machine is in operation.
  • the sensor unit that can be retrofitted is firmly connected to the back of the washing drum, in particular in a non-positive or material connection.
  • the retrofittable sensor unit can, for example, be screwed or glued to the rear wall of the washing drum.
  • a holding unit can also be provided, which is firmly attached to the drum of a washing machine and into which the retrofittable sensor unit can be inserted.
  • the sensor unit is preferably at least partially essentially conical or hemispherical in shape. It goes without saying that the sensor unit can also have other shapes, in particular cuboid, cylindrical, prismatic or pyramidal.
  • the retrofittable sensor unit is formed at least partially essentially as a flat part, in particular as a film, with the film being able to contain a wide variety of electrical circuits and electronic components such as the control unit, the communication unit and energy storage.
  • the film preferably has a diameter of a few centimeters, preferably of approximately one centimeter and a layer thickness of a few millimeters, in particular approximately one millimeter. Due to its flat shape, the sensor unit can advantageously be attached to the inside of the door of a washing machine or a dishwasher, preferably glued on, thereby saving valuable space for the items to be cleaned.
  • the retrofittable sensor unit can be arranged in the outlet of a cleaning machine.
  • the sensor unit preferably has sensors distributed over the process of the cleaning machine for detecting a state of a cleaning solution, in particular viscosity sensors, turbidity sensors and water hardness sensors.
  • the retrofittable sensor unit can also be arranged in a dosing chamber of a dishwasher or the washing-up chamber of a washing machine, which also saves space for the objects to be cleaned.
  • the wireless communication unit also offers the possibility of wireless communication between the retrofittable sensor unit and other cleaning machines within a private or public network.
  • the communication is preferably also controlled by the control unit of the retrofittable sensor unit. Communication between different cleaning machines is particularly advantageous if different cleaning steps are to be combined with one another. For example, a tumble dryer or a hot ironer could be informed via the retrofittable sensor unit of the type of laundry to be dried or lacking before the end of a washing process, so that the optimal settings and other preparations for the corresponding process can be made in advance .
  • control unit of the retrofittable sensor unit is also set up for wireless communication with a portable user terminal via the communication unit.
  • This allows the user, for example, to track cleaning operations via the user terminal within a private or public network.
  • a user can preferably also be given the opportunity to intervene in a cleaning process via the user terminal and to make modifications and configurations to the retrofittable sensor unit via the user terminal.
  • a mobile user terminal can be a smart phone, a smart watch, be a smart cam, a tablet, a PC, a home automation system or the like and preferably communicate with the retrofittable sensor unit via WLAN or Bluetooth or via a connection provided by a mobile phone provider via GSM, GPRS, Edge, UMTS, 3G, LTE or 4G .
  • the possibility of intervening in a cleaning process allows a variable duration of a cleaning program to be carried out if the current state of soiling of the objects to be cleaned is known. For example, a user can cancel a cleaning process if the cleaning status already meets his or her requirements. This is not possible with conventional cleaning methods, where it is necessary to determine in advance how long a cleaning process should last.
  • the possibility of terminating a cleaning process means that, in addition to a large amount of cleaning agent, water and energy can also be saved, which both reduces costs and protects the environment. It is also possible to extend the duration of the cleaning process by variable time intervals if an unsatisfactory cleaning result is known. This also promises savings potential if the alternative were to repeat the entire cleaning process.
  • the retrofittable sensor unit in particular the control unit of the sensor unit, can transmit the current state of soiling of the items to be cleaned or the cleaning progress as well as error messages and other information to a user terminal, so that a user can track the cleaning progress via the user terminal.
  • the retrofittable sensor unit have an autonomous energy conversion system, preferably in the form of an oscillating gyroscope or dynamo for generating electrical energy from rotational energy.
  • another energy conversion system can also be arranged on the retrofittable sensor unit, which converts other forms of energy into electrical energy.
  • a mobile energy supply unit is arranged on the retrofittable sensor unit, in particular in the form of batteries or accumulators, so that the supply of electrical energy to the retrofittable sensor unit is guaranteed at all times.
  • the retrofittable sensor unit can also have a device for the inductive and contactless transmission of electrical energy, so that the retrofittable sensor unit can be supplied with electricity either contactlessly by induction, or
  • the dosing device can feed electrically. It is therefore proposed that the retrofittable sensor unit has at least one coil for generating a magnetic field and/or an electric field.
  • the retrofittable sensor unit has a memory unit.
  • the memory unit can also be in the form of a remotely located server. Storage on an external server makes sense, especially if a large amount of user data is to be stored continuously and the storage unit should not take up too much space. In order to nevertheless ensure a fail-safe recording of the data, preferably only a small local memory arranged on the retrofittable sensor unit can be provided, which is continuously cleared when the data has been transmitted to the server.
  • control unit of the retrofittable sensor unit is designed as a self-learning unit that can record user habits over time, such as the timing of cleaning processes or personal preferences and peculiarities, in order to obtain further information about in future cleaning costs to be expected.
  • the control unit can preferably access the user profiles and initiate actions based on the user profiles.
  • the control unit can, for example, have access to the data stored on a server in a cloud via a router of a private or public network.
  • the user can check the function of the control unit.
  • a user can preferably set a first setting of parameters, such as access data and encryption for external services or ongoing services.
  • control unit can communicate with other services in a cloud via the available communication channels via a preferably secure connection when released by a user.
  • Data can be exchanged in the cloud preferably via a DSL or VDSL router or alternatively via an LTE and 3G router, which preferably also covers UMTS and HSDPA/HSUPA networks.
  • control unit can store, provide and share information in the cloud and leave this information to certain services, users and other identities and processing units for further processing. Furthermore, the control unit can preferably visualize the information and provide it for statistical purposes, for example. In particular, the control unit can order consumables or spare parts via the cloud and arrange any maintenance appointments. In addition, the control unit can request and receive automatic updates of the software of individual components in the same way. In addition, the control unit can also send messages relating to an initiated action to the operator or operators of the device via the cloud, for example via email, SMS or by initiating a call using a service running in the cloud.
  • control unit can preferably also have the access data for the operator's accounts with online providers of consumables, so that a direct connection to a provider and the automatic reordering of consumables can be initiated using the access data for the respective account.
  • control unit can also have personal data on an operator, such as email address and telephone number, for direct contact with the operator.
  • control unit advantageously also has the necessary interfaces and requirements for receiving and processing control and control commands from the cloud via the available communication channels and the preferably secure connection to the cloud, so that in particular a control of a cleaning machine can be taken over via a service running in the cloud.
  • control parameters can also be changed via a service running in the cloud in order to start an operation or also to cancel an ongoing or planned operation.
  • a mobile dosing device for dosing cleaning agents in cleaning machines comprising: at least one dosing chamber; at least one feeding unit; at least one communication unit, set up for communication with at least one retrofittable sensor unit that can be arranged separately from the dosing device, in particular set up for receiving a dosing command from the retrofittable sensor unit as a function of a soiling condition of the items to be cleaned determined by the retrofittable sensor unit; wherein the dosing device is set up in such a way that depending on the communication with the retrofittable sensor unit, a metered delivery of cleaning agent to the cleaning machine takes place.
  • the dosing device in question can be part of a cleaning machine in the factory condition, or else part of a system that can be retrofitted.
  • the dosing device is preferably arranged in the dispensing chamber of a washing machine or the dosing chamber of a dishwasher and is designed to be correspondingly robust with respect to the cleaning agents acting during the respective cleaning processes and the other mechanical and chemical influences.
  • a dosing device can also be arranged in the washing drum, for example.
  • the dosing device can preferably also be arranged in the cutlery basket or in the crockery racks.
  • Cleaning agents are understood to mean not only detergents, but also in particular fabric softeners, machine cleaners, dishwashing detergents, water softeners, rinse aids, starch, vinegar-based cleaners, water repellents, color scavengers, bleaches, graying inhibitors, color transfer inhibitors and biologically active systems and the like.
  • the cleaning agent can be present in a dosing chamber, for example, in solid, liquid and/or gaseous form.
  • the cleaning agent is a pure substance and/or a mixture of substances.
  • a solid cleaning agent can be dosed, for example, as a powder, as a tablet and/or as a tab.
  • a liquid cleaning agent can be dosed, for example, as a gel, as a concentrated and/or as a diluted solution. It goes without saying that the cleaning agent can also be dosed as a foam, as a rigid foam, as an emulsion, as a suspension and/or as an aerosol.
  • Non-limiting examples of cleaning agents and/or their ingredients are one or more components from a group of components comprising surfactants, alkalis, builders, graying inhibitors, optical brighteners, enzymes, bleaches, soil-release polymers, fillers, plasticizers, fragrances, dyes, Care substances, acids, starch, isomalt, sugar, cellulose, cellulose derivatives, carboxymethyl cellulose, polyetherimide, silicone derivatives and/or polymethylimines.
  • non-exhaustive exemplary ingredients are bleach activators, complexing agents, builders, electrolytes, non-aqueous solvents, pH adjusters, perfume carriers, fluorescent agents, hydrotropes, silicone oils, bentonites, antiredeposition agents, shrinkage inhibitors, anti-crease agents, color transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, preservatives, Corrosion inhibitors, antistatic agents, bittering agents, ironing aids, repellents or impregnating agents, swelling agents or anti-slip agents and/or UV absorbers.
  • non-exhaustive exemplary components are one or preferably more substances from the group of builders, polymers, bleaches, bleach activators, bleach catalysts, enzymes, thickeners, sequestering agents, electrolytes, corrosion inhibitors, glass corrosion inhibitors, foam inhibitors, dyes, additives to improve drainage and drying behavior, Disintegration aids, preservatives, pH adjusters, fragrances and perfume carriers.
  • builders such as silicates, aluminum silicates (in particular zeolites), salts of organic di- and polycarboxylic acids and mixtures of these substances, preferably water-soluble builders, can be advantageous.
  • the use of phosphates is largely or completely dispensed with.
  • the agent preferably contains less than 5% by weight, particularly preferably less than 3% by weight, in particular less than 1% by weight, of phosphate(s).
  • the agent is particularly preferably completely phosphate-free, i.e. the agents contain less than 0.1% by weight of phosphate(s).
  • the builders include, in particular, carbonates, citrates, phosphonates, organic builders and silicates.
  • the proportion by weight of the total builders in the total weight of agents according to the invention is preferably 15 to 80% by weight and in particular 20 to 70% by weight.
  • Preferred cleaning agents in particular dishwashing detergents, preferably machine dishwashing detergents, are characterized by a builder combination of citrate and carbonate and/or hydrogen carbonate.
  • Anionic, nonionic, cationic and amphoteric surfactants are suitable as surfactants.
  • Surfactants are selected based on the intended use of the composition.
  • Suitable anionic surfactants are, in particular, soaps and those containing sulfate or sulfonate groups.
  • Surfactants of the sulfonate type are preferably C 9 -C 13 -alkylbenzene sulfonates, olefin sulfonates, i.e. mixtures of alkene and hydroxyalkane sulfonates and disulfonates, such as those obtained, for example, from C12-C18 monoolefins with a terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
  • alkane sulfonates obtained from C 12 -C 18 alkanes, for example by sulfochlorination or sulfoxidation with subsequent hydrolysis or neutralization.
  • esters of ⁇ -sulfofatty acids for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids, which are obtained by ⁇ -sulfonation of the methyl esters of fatty acids of vegetable and/or animal origin at 8 to 20 C -Atoms in the fatty acid molecule and subsequent neutralization to form water-soluble mono-salts.
  • Suitable nonionic surfactants are, in particular, alkyl glycosides and ethoxylation and/or propoxylation products of alkyl glycosides or linear or branched alcohols with each 12 to 18 carbon atoms in the alkyl moiety and 3 to 20, preferably 4 to 10, alkyl ether groups.
  • alkyl glycosides and ethoxylation and/or propoxylation products of alkyl glycosides or linear or branched alcohols with each 12 to 18 carbon atoms in the alkyl moiety and 3 to 20, preferably 4 to 10, alkyl ether groups Corresponding ethoxylation and/or propoxylation products of N-alkylamines, vicinal diols, fatty acid esters and fatty acid amides which correspond to the long-chain alcohol derivatives mentioned with regard to the alkyl moiety, and of alkylphenols having 5 to 12 carbon atoms in the alkyl radical can also be used.
  • cationic surfactants are quaternary ammonium compounds and ester quats, especially quaternized fatty acid trialkanolamine ester salts.
  • amphoteric or zwitterionic surfactants are alkyl betaines, alkyl amido betaines, aminopropionates, aminoglycinates, imidazolinium betaines and sulfobetaines.
  • the mobile dosing device preferably has a plurality of dosing chambers, which are in particular formed as a structural unit.
  • a dosing device preferably has a plurality of dosing chambers.
  • the dosing chambers can be filled with the desired cleaning agent, preferably via separate refill openings.
  • the refill openings are preferably large enough that they can be used for easy filling and for a possible rinsing process. Because the dosing devices can be easily cleaned, one and the same dosing chamber can be filled with different cleaning agents after rinsing. In particular, this allows a dosing device to be used in different cleaning machines.
  • the dosing device in particular the feed unit of a dosing device, has at least one electric valve and the associated control electronics.
  • the dosing device preferably has a dosing valve for each dosing chamber. These are in particular electrically controlled valves. Alternatively, the valves can also be controlled pneumatically or magnetically.
  • the mobile dosing device also have an autonomous energy conversion system.
  • another energy conversion system can also be arranged on the mobile dosing device, which converts kinetic energy or thermal energy into electrical energy, for example.
  • a mobile energy supply unit be arranged on the mobile dosing device, in particular in the form of batteries or accumulators, as an alternative or in addition to a self-sufficient energy conversion system that the supply of the mobile dosing device with electrical energy is guaranteed at all times.
  • the mobile dosing device can also have a device for the inductive and contactless transmission of electrical energy, so that the mobile dosing device can either be electrically fed contactlessly by induction or, for example, can feed the retrofittable sensor unit electrically. It is therefore proposed that the dosing device has at least one coil for generating a magnetic field and/or an electric field.
  • the mobile dosing device preferably has a measuring device for measuring a filling level, in particular an absolute filling level, in each dosing chamber.
  • a filling level can preferably be measured continuously, in particular using a mechanical, a capacitive or an optical measuring method.
  • a fill level measurement can also be carried out using a conductivity, ultrasonic or microwave method.
  • the filling level of the dosing chambers can also be determined only at certain intervals or only from certain limits using level limit switches.
  • the dosing device in particular the communication unit of the dosing device, is not only suitable for sending a dosing command from of the retrofittable sensor unit, but also to send a notification about current filling levels to the retrofittable sensor unit.
  • a method for dosing cleaning agents in cleaning machines comprising the steps: detecting at least one measured variable using a sensor unit that can be retrofitted; Determination of a soiling condition of items to be cleaned on the basis of the at least one detected measured variable by a sensor unit that can be retrofitted; Communication between the retrofittable sensor unit and a mobile dosing unit in such a way that depending on the communication between the retrofittable sensor unit and the mobile dosing unit there is a metered delivery of cleaning agent to the cleaning machine.
  • the communication between a retrofittable sensor unit and a mobile dosing device on the basis of a soiling condition of the items to be cleaned determined by the retrofittable sensor unit can also result in no detergent being supplied, for example if a satisfactorily determined cleaning condition of the items to be cleaned has been reached.
  • the method further comprises the steps: detecting a fill level of at least one cleaning agent in a dosing device, processing the at least one detected fill level; Communication between the dosing device and a control unit of the retrofittable sensor unit depending on the processing of the detected fill level, so that planning for repeat orders or refills can already be carried out by this.
  • warnings about the cleaning agents that are running low can preferably be transmitted to a mobile user terminal.
  • the dosing device can preferably also pass on information about any faults in a rinsing or washing chamber, such as carbon deposits on contacts, jammed valves or discharged batteries.
  • a computer program is also described that includes program instructions that cause a processor to execute and/or control a physical method when the computer program runs on the processor.
  • an exemplary system comprising the retrofittable sensor unit and the mobile dosing device, which are set up together to carry out an exemplary specific method.
  • the retrofittable sensor unit and the mobile dosing device are combined in one structural unit.
  • the retrofittable sensor unit can then also communicate with the mobile dosing device via a cable.
  • the structural unit can be placed in the form of a measuring and dosing system that can be retrofitted, for example in the dispensing compartment of a washing machine.
  • the system can preferably be arranged in a basket of the dishwasher.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (15)

  1. Unité de capteur pouvant être montée à postériori (1) et permettant de commander un dispositif de dosage mobile (3) d'une machine de nettoyage (44), comprenant :
    - un module de détection présentant au moins un capteur (16, 18, 18') et configuré pour détecter des variables ;
    - au moins une unité de contrôle (20) configurée pour déterminer un état de salissure actuel des articles à nettoyer sur la base des variables détectées ;
    - au moins une unité de communication (52) configurée pour communiquer avec au moins un dispositif de dosage mobile (3), configurée pour transmettre un ordre de dosage à l'au moins un dispositif de dosage mobile (3) en fonction de l'état de salissure actuel des articles à nettoyer ;
    - caractérisée en ce que :
    - l'unité de capteur pouvant être montée à postériori (1) peut être disposée séparément du dispositif de dosage mobile (3).
  2. Unité de capteur pouvant être montée à postériori (1) selon la revendication 1, dans laquelle le module de détection présente au moins un capteur (16, 18, 18') permettant de détecter l'état d'une solution de nettoyage, en particulier au moins un capteur (16, 18, 18') permettant de mesurer la viscosité, la turbidité, la charge pollinique, la dureté de l'eau, le délavage de la couleur, le pH ou l'odeur.
  3. Unité de capteur pouvant être montée à postériori (1) selon la revendication 1 ou 2, dans laquelle en plus d'un capteur (16, 18, 18') permettant de détecter l'état d'une solution de nettoyage, au moins un capteur (16, 18, 18') permettant de mesurer l'une des variables suivantes est disposé sur l'unité de capteur (1) et/ou sur le dispositif de dosage mobile (3) et/ou sur la machine de nettoyage (44) : variables géométriques ; variables mécaniques ; variables dynamiques ; variables thermiques et caloriques ; variables climatiques ; variables optiques ; variables acoustiques ; variables électriques ; variables chimiques, biologiques ou médicales.
  4. Unité de capteur pouvant être montée à postériori (1) selon l'une des revendications 1 à 3, dans laquelle le module de détection présente au moins une mini ou micro caméra (16) permettant de détecter un état des articles à nettoyer.
  5. Unité de capteur pouvant être montée à postériori (1) selon l'une des revendications 1 à 4, dans laquelle l'unité de communication (52) est une unité de communication sans fil, configurée pour une communication sans fil avec d'autres machines de nettoyage et/ou pour une communication avec des terminaux utilisateur portables (22).
  6. Unité de capteur pouvant être montée à postériori (1) selon l'une des revendications 1 à 5, dans laquelle l'unité de capteur pouvant être montée à postériori (1) présente un système de conversion d'énergie autarcique et/ou des unités mobiles d'alimentation en énergie et/ou un appareil de transmission inductive et sans contact d'énergie électrique.
  7. Unité de capteur pouvant être montée à postériori (1) selon l'une des revendications 1 à 6, dans laquelle l'unité de capteur pouvant être montée à postériori (1) est au moins partiellement sensiblement sphérique, en particulier sensiblement hémisphérique.
  8. Unité de capteur pouvant être montée à postériori (1) selon l'une des revendications 1 à 7, dans laquelle l'unité de capteur pouvant être montée à postériori (1) est au moins partiellement sensiblement réalisée sous forme de pièce plane, en particulier sous forme de film, et/ou est disposée sur une machine de nettoyage (44), en particulier à l'intérieur d'une machine de nettoyage (44).
  9. Unité de capteur pouvant être montée à postériori (1) selon l'une des revendications 1 à 8, dans laquelle l'unité de contrôle (20) de l'unité de capteur pouvant être montée à postériori (1) est réalisée sous forme d'unité d'auto-apprentissage.
  10. Dispositif de dosage mobile (3) permettant de doser des agents de nettoyage dans des machines de nettoyage (44), comprenant :
    - au moins une chambre de dosage ;
    - au moins une unité d'alimentation ;
    - au moins une unité de communication (52), configurée pour communiquer avec au moins une unité de capteur pouvant être montée à postériori (1), configurée pour recevoir un ordre de dosage de l'unité de capteur pouvant être montée à postériori (1) en fonction d'un état de salissure des articles à nettoyer déterminé par l'unité de capteur pouvant être montée à postériori (1) ;
    - dans lequel le dispositif de dosage mobile (3) est configuré de telle manière que, en fonction de la communication avec l'unité de capteur pouvant être montée à postériori (1), une alimentation dosée d'agent de nettoyage a lieu vers la machine de nettoyage (44),
    caractérisé en ce que :
    - l'unité de capteur pouvant être montée à postériori (1) peut être disposée séparément du dispositif de dosage mobile (3).
  11. Dispositif de dosage mobile (3) selon la revendication 10, dans lequel le dispositif de dosage mobile (1) présente plusieurs chambres de dosage, en particulier réalisées sous forme d'unité structurelle, et/ou au moins une soupape électrique (26) ainsi que l'électronique de commande associée.
  12. Dispositif de dosage mobile (3) selon la revendication 10 ou 11, dans lequel le dispositif de dosage mobile (3) présente un système de conversion d'énergie autarcique et/ou des unités mobiles d'alimentation en énergie et/ou un appareil de transmission inductive et sans contact d'énergie électrique.
  13. Dispositif de dosage mobile (3) selon l'une des revendications 10 à 12, dans lequel le dispositif de dosage mobile (3) présente un appareil de mesure permettant de mesurer un niveau de remplissage d'au moins un agent de nettoyage.
  14. Procédé de dosage d'agents de nettoyage dans des machines de nettoyage (44), comprenant les étapes :
    - de détection d'au moins une variable par une unité de capteur pouvant être montée à postériori (1) ;
    - de détermination d'un état de salissure des articles à nettoyer sur la base de l'au moins une variable détectée par l'unité de capteur pouvant être montée à postériori (1) ;
    - de communication entre l'unité de capteur pouvant être montée à postériori (1) et un dispositif de dosage mobile (3) pouvant être disposé séparément de l'unité de capteur pouvant être montée à postériori (1) de telle manière que, en fonction de la communication entre l'unité de capteur pouvant être montée à postériori (1) et le dispositif de dosage mobile (3), une alimentation dosée d'agent de nettoyage a lieu vers la machine de nettoyage (44).
  15. Système, comprenant :
    - une unité de capteur pouvant être montée à postériori (1) selon la revendication 1 ;
    - un dispositif de dosage mobile (3) selon la revendication 10 ;
    - configuré pour mettre en œuvre un procédé selon la revendication 14.
EP17835456.9A 2016-12-21 2017-12-07 Unité de détection pouvant être montée à posteriori pour la commande d'un dispositif de dosage Active EP3559329B1 (fr)

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DE102016225854.0A DE102016225854A1 (de) 2016-12-21 2016-12-21 Nachrüstbare Sensoreinheit zur Steuerung einer Dosiervorrichtung
PCT/EP2017/081850 WO2018114359A1 (fr) 2016-12-21 2017-12-07 Unité de détection pouvant être montée a posteriori pour la commande d'un dispositif de dosage

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KR20190094353A (ko) 2019-08-13
DE102016225854A1 (de) 2018-06-21
PL3559329T3 (pl) 2022-04-25
WO2018114359A1 (fr) 2018-06-28
KR102759261B1 (ko) 2025-01-24
CN110114528B (zh) 2022-03-01
ES2908803T3 (es) 2022-05-04
CN110114528A (zh) 2019-08-09
US20200063323A1 (en) 2020-02-27
US11857134B2 (en) 2024-01-02
EP3559329A1 (fr) 2019-10-30

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