EP3205764B1 - Reinigungsverfahren und reinigungsvorrichtung - Google Patents

Reinigungsverfahren und reinigungsvorrichtung Download PDF

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Publication number
EP3205764B1
EP3205764B1 EP17152591.8A EP17152591A EP3205764B1 EP 3205764 B1 EP3205764 B1 EP 3205764B1 EP 17152591 A EP17152591 A EP 17152591A EP 3205764 B1 EP3205764 B1 EP 3205764B1
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EP
European Patent Office
Prior art keywords
cleaning
cleaning chamber
articles
cleaned
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17152591.8A
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German (de)
English (en)
French (fr)
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EP3205764A1 (de
Inventor
Dr. Wolfgang Thimm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EGO Elektro Geratebau GmbH
Original Assignee
EGO Elektro Geratebau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EGO Elektro Geratebau GmbH filed Critical EGO Elektro Geratebau GmbH
Priority to PL17152591T priority Critical patent/PL3205764T3/pl
Publication of EP3205764A1 publication Critical patent/EP3205764A1/de
Application granted granted Critical
Publication of EP3205764B1 publication Critical patent/EP3205764B1/de
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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
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling 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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • 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
    • A47L15/0044—Operation time reduction
    • 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/16—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with rigidly-mounted spraying 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
    • A47L15/4246—Details of the tub
    • A47L15/4248—Arrangements for dividing the tub compartment, e.g. for simultaneous washing of delicate and normal crockery
    • 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
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
    • 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
    • A47L2501/30—Regulation of machine operational steps within the washing process, e.g. performing an additional rinsing phase, shortening or stopping of the drying phase, washing at decreased noise operation conditions
    • 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
    • A47L2501/34—Change machine operation from normal operational mode into special mode, e.g. service mode, resin regeneration mode, sterilizing mode, steam mode, odour eliminating mode or special cleaning mode to clean the hydraulic circuit
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing

Definitions

  • the invention relates to a cleaning method for objects in the form of crockery, cutlery or laundry, and to a cleaning device for carrying out the cleaning method, in particular a dishwasher or a washing machine.
  • a dishwasher is known as a cleaning device.
  • the cleanliness of dishes after the rinsing process or cleaning process should be investigated there. This is done by means of a camera which takes pictures and a control unit. The camera checks the images of the dishes to be cleaned. If a captured image of a cleaned utensil corresponds to a default image that defines how cleaned utensils should look, then the cleaning process may be considered complete and stopped.
  • the invention has for its object to provide an aforementioned cleaning method and an aforementioned cleaning device for its implementation, with which problems of the prior art can be solved and it is particularly possible to perform a cleaning process as efficient as possible and possibly with good results to be able to, so that the objects to be cleaned are as clean as possible.
  • the cleaning process is carried out in at least one first cleaning chamber or cleaning zone or that the cleaning device has at least one first cleaning chamber, possibly only this one.
  • the objects are cleaned.
  • the objects are cleaned for a first cleaning time.
  • This first cleaning time may be such that usually a significant proportion of the articles, for example at least 50% to 80%, based on experience, sufficiently cleaned or clean.
  • This first cleaning time is advantageously relatively short or foreseeable too short for all objects to be cleaned, but at the same time again so long that just a significant proportion of the objects has already been sufficiently cleaned.
  • marking agents are added according to the invention or marking agents are added to the objects to be cleaned.
  • an output device for the marking means is provided in the cleaning device or in the first cleaning chamber.
  • the marking agents may be powdery or liquid, with liquid marking agents expected to be easily dispensed. They may also already be present in a washing or rinsing agent and have a coating which dissolves in the water after some time, advantageously after a time which corresponds approximately to the first cleaning time.
  • the marking means are designed such that they remain attached to contaminants on the objects or make them detectable, for example optically detectable.
  • the marking means are detected with a detection device of the cleaning device.
  • a detection device of the cleaning device operates advantageously optically, possibly with the use of light of specific wavelength, for example, with a UV Lichtquelte in the form of a UV LED or the like., Which Can stimulate marking means to shine. So remaining impurities can be made visible and recognized.
  • the objects which still have impurities to be removed are then further cleaned or re-cleaned for a further second cleaning time.
  • Labeling agents which are suitable for the invention advantageously have two properties. For one, they must adhere to the impurities. On the other hand, they must be able to be detected by means of the detection device. In order to achieve these two properties, it is advantageous to provide a component for adhesion to a desired impurity and a component for detection by means of the detection device and to connect or synthesize these two as marking agents. As a component for the adhesion, it is advantageous to provide enzymes which adhere well to impurities themselves, in particular to organic impurities. For example, the company AMODIA Bioservice GmbH in Braunschweig offers suitable means for adhering to bacteria or fungi. It can be assumed that in contaminants, at least in organic contaminants such as food residues, always bacteria or fungi are present. These are especially easy to discover. Otherwise, there are also enzymes that can adhere directly to impurities.
  • corresponding chemicals can be used as marking agents in the field of medicine.
  • corresponding chemicals can be used as marking agents in the field of medicine.
  • Such are described in the book of Fan Zhang's "Photon upconversion nanomaterials", Springer 2015, ISBN: 978-3-662-45596-8 , A list of fluorescent detergents can be found in ASTM Data Series DS 53 A.
  • a concrete example is the optical brightener TINOPAL from BASF in Ludwigshafen. It shines blue when excited by UV and is easily recognizable.
  • Corresponding labeling agents with quantum properties are offered by the company CAN GmbH in Hamburg.
  • At least some of the objects are moved for the further cleaning process or for the second cleaning time.
  • they can preferably be spatially separated from other objects, particularly preferably from the first cleaning chamber or cleaning zone, before the start of the further cleaning process.
  • For movement means are provided, for example, a kind of robotic arm or rails, belts, grippers or the like.
  • the clean items or such items that do not need to be cleaned are removed from the first cleaning chamber.
  • the further purification process basically proceeds as the first cleaning process. Parameters such as temperature and / or duration can be similar to those of the first cleaning method. Alternatively, these parameters could also be changed so that the further purification process is more intensive than the first purification process, ie either at higher temperatures and / or with a longer duration.
  • the cleaning method is a laundry washing method as articles by using a washing machine as the aforementioned cleaning device.
  • this washing machine may have only a single cleaning chamber or cleaning zone, namely the abovementioned first cleaning chamber. After the first cleaning process, clean or no longer to be cleaned laundry is then removed from the washing machine, said laundry could be detected by the marking means and the detection device. This is advantageously done automatically.
  • the cleaning method may be used for crockery or cutlery and a dishwasher may be provided as a cleaning device. Again, only a single cleaning chamber may be provided, as is known for a dishwasher, wherein in this single cleaning chamber, one, two or three baskets or usual pads can be provided. These different baskets can then each form different cleaning zones in a dishwasher, since it is possible for a dishwasher to treat such different zones differently in a single cleaning chamber. In one cleaning zone, a further cleaning may take place, in another cleaning zone not or only incidentally or at random.
  • the objects still to be cleaned then each remain in the first cleaning chamber and are subjected to the second cleaning process. Then either after one predetermined cleaning time, the cleaning process can be completed without checking whether there are still impurities. Alternatively, then once again a step of applying marking agents and the use of the detection device can be made to check whether the cleaning is actually sufficient.
  • a second fundamental alternative of the embodiment of the invention can be provided that remain for the second or further cleaning process, the still-to-be-cleaned objects and also the no longer to be cleaned items in the same cleaning chamber. Then, the further cleaning process is performed only for a region or in an area or a cleaning zone of this first cleaning chamber.
  • a cleaning could be carried out for a front area or a rear area of the cleaning chamber, particularly advantageously for an upper area or a lower area or in an upper basket or a lower basket.
  • a separate spray arm or water dispensing is provided for each of such a basket, so that a locally limited further purification is well possible.
  • the cleaning method is a washing method with a washing machine as a cleaning device
  • this washing machine may also include a first cleaning chamber and a second cleaning chamber, or two drums.
  • Such washing machines are offered for example by the company. LG Electronics under the name Twin Wash.
  • clean or no longer to be cleaned laundry from the first cleaning chamber can be moved into the second cleaning chamber, where it can remain until it is removed by an operator. It can either remain in the second cleaning chamber without any treatment.
  • at least basic functions of a cleaning process can be performed therein, for example, rinsing to remove any remaining marking agents and / or spinning or removing absorbed moisture.
  • the aforementioned further cleaning process is then carried out.
  • this washing machine in turn, has two cleaning chambers. Then, however, laundry still to be cleaned, which has been recognized by the above-described use of the marking means and the detection device, can be removed from the first cleaning chamber and moved into the second cleaning chamber. Also there it remains until removal, the further or second cleaning process is then carried out in the second cleaning chamber. Thus, in contrast to the above-described embodiment, the location where the further or second cleaning process is carried out shifts.
  • Crockery or cutlery which is already clean after the first cleaning process and thus has no more marking agents or only so few marking agents that it is considered clean, can then be removed from the dishwasher. This can then remain in its own receptacle until the dishes and cutlery still to be cleaned are sufficient is clean, which in turn can be checked by means of the marking means and the detection device. Then it can be reintroduced to complete the cleaning process, including drying.
  • a dishwasher is constructed so that it has two separate cleaning chambers, not just several separate baskets or trays.
  • a division of crockery and cutlery take place in already clean and in still to be cleaned.
  • One of the two groups can then be moved from one cleaning chamber to the other, and the still dirty dishes and cutlery is then cleaned again in the corresponding cleaning chamber in a further second cleaning step.
  • the marking means can either already be so visible to the naked eye, alternatively they can, as mentioned above, be made visible with special light, so that they are visible to the naked eye.
  • Such manual movement of the objects is, of course, the easiest to do in terms of design, but at a certain point in time requires the intervention of an operator, which involves a certain amount of effort.
  • an automatic recognition of the marking means or of objects to be cleaned can be done with a detection device, which then advantageously has optical sensors or a camera.
  • a marking is effected by means of fluorescent marking agents or UV-excitable marking agents, for example by means of materials with quantum properties or with quantum dots, such cameras or optical sensors can be advantageously used as a detection device.
  • a simple embodiment of an aforementioned detection device is an optical color sensor which can detect only such a color or localize within the first cleaning chamber, which generate or release the marking means when they are illuminated, for example, with light of a specific wavelength.
  • simply formed video cameras with a corresponding resolution and color sensitivity can be used as well as simple CCD chips or CMOS chips.
  • means of movement may be provided which, for example, grippers or robotic arms or the like. could be.
  • Such robot arms are basically known, see for example the DE 19744488 A1 , They can have two to four joints, so that they can safely and reliably and for the objects gently capture any object in the cleaning chamber and can move accordingly. Either this can be out of the cleaning chamber or into a second cleaning chamber, alternatively also between different shelves or baskets of a dishwasher as a cleaning device.
  • a movement means in particular a named robot arm, can have at least two gripping fingers.
  • the movement means can be designed so that they can move the objects either only within the cleaning device, ie within said first cleaning chamber or between two cleaning chambers back and forth or from said first cleaning chamber into a second cleaning chamber.
  • the movement means can also be designed so that it moves the objects, in particular already sufficiently cleaned and recognized as such objects, out of the cleaning device or out of the first cleaning chamber, so that they easily receive an operator and clean up or move on can.
  • a movement means in addition to the possibility to form a movement means as a substantially freely movable, multi-membered and multi-jointed robot arm, also a movement means may be provided which on rails or the like. can be moved within the cleaning device or within the first cleaning chamber.
  • a moving means may be easier under certain circumstances and at the same time work well enough in the usually very cramped space conditions in a dishwasher or a washing machine.
  • the marking agents can be removed or filtered out of the rinsing or washing water before it enters the wastewater.
  • harmful or classified as questionable marking agents in particular the aforementioned materials with quantum properties or with quantum dots, are retained.
  • special filters can be used, which are preferably installed directly in the cleaning device.
  • a dishwasher according to the invention shown as a cleaning device together with functional inner life.
  • the dishwasher 11 has a housing 12 and therein a first cleaning chamber 13.
  • a substantially conventional lower basket 16 is disposed above an upper basket 17 is arranged.
  • the lower basket 16 are shown here several plates 19 in the side view, the impurities and that need to be cleaned. These two baskets 16 and 17 form two different cleaning zones as previously described.
  • a lower spray arm 21 is arranged in the first cleaning chamber 13, as is common in dishwashers.
  • an upper spray arm 22 is arranged above the upper basket 17.
  • a first nozzle 25 and a second nozzle 26 are provided, which already belong to the invention and serve by means of a nozzle device 27 to apply the aforementioned marking means to be cleaned crockery or cutlery including in the first cleaning chamber 13.
  • the first nozzle 25th should, represented by their length, serve to provide or spray objects in the lower basket 16 with the marking means.
  • the second nozzle 26 is to do this for articles in the upper basket 17.
  • These nozzles 25 and 26 may also be provided in an even greater number or even as a single nozzle. Furthermore, they need not be provided at the top of the cleaning chamber 13, they may also be provided on a side wall or even below. Alternatively, the marking agents could be added to the sprayed water.
  • an irradiation source 31 is arranged, for example in the form of a light-emitting diode or a light-emitting diode device.
  • the irradiation source 31 can emit light in the visible range or in the non-visible or even partially visible range. It is advantageous to provide UV illumination with UV LEDs having wavelengths in the range between 250 nm and 400 nm. For this purpose, further details are given below.
  • a camera 32 is arranged as a further part of the above-described detection device.
  • the camera 32 can be designed as explained above, for example as a relatively simple CCD or CMOS camera. It does not need to have a very high resolution. Above all, however, it should be designed to detect light in the wavelength range of the radiation source 31 or that wavelength which emit the marking means illuminated by the irradiation source 31 when they adhere to impurities. This has previously been explained here.
  • the irradiation source 31 and the camera 32 are connected to a controller 29. This may be a central controller for the dishwasher 11 or additional control. It is also connected to the nozzle device 27.
  • contaminated plates 19 are introduced into the lower basket 16.
  • the upper basket 17 also items to be cleaned may be present, but this need not be so.
  • a normal cleaning operation is carried out by means of the spray arms 21 and 22, as is usual for a dishwasher 11.
  • this cleaning process shorter than would normally be the case, for example by 20% to 50% shorter.
  • the introduced plate 19 or other objects is clean or cleaned, so to speak, is interrupted.
  • the dishes or the plates 19 are advantageously not yet dried, since this, as has been explained above, makes a further cleaning process more difficult and above all represents a great energy consumption.
  • marking agent 36 deployed.
  • These can be applied in powder form or as atomized liquid, so that they have a good distribution.
  • the marking means 36 may also be mixed in the normal feed for the spray arms 21 and 22, and then applied diluted with normal water.
  • the left plate 19a is clean and has no contaminants, while the right plate 19b has the contaminants represented by dots 34.
  • the marking agents 36 are designed so that they adhere to these contaminants 34, in particular with regard to their particle size and with regard to their chemical properties. Examples include nanomaterials, also with fluorescent properties. It can also be proteins that fluoresce.
  • the marking means 36 may have quantum properties, in particular to cause this illumination after irradiation with the irradiation source 31.
  • the marking agents are designed to adhere to impurities and to visualize them, advantageously by synthesizing them together. Reference is made to the statements made above.
  • the further step is shown, in which just the irradiation source 31 with appropriate radiation, for example, the aforementioned UV light, on the plates 19a and 19b lights.
  • the plate 19a has no more impurities, nothing can be detected here by the camera 32 or only very few traces, which suggests a sufficiently cleaned state.
  • the contaminated plate 19b is visible Impurities 35 present, which can now be made very visible by the marking agent. This procedure works better than visualizing the normal contaminants themselves. These are just the important properties of the marking means 36.
  • the camera 32 can recognize these visible impurities 35 well, although this does not necessarily mean that they are also recognizable to the human eye.
  • the camera 32 can thus help together with the controller 29 to decide whether a plate is already sufficiently cleaned.
  • the clean plate 19a can then be moved, so to speak, in one direction, it does not need to be further cleaned.
  • the still contaminated plate 19b is moved so to speak in a different direction and must be further cleaned.
  • a robot arm 39 together with gripper 40 is provided at the free end.
  • This robot arm 39 is in the Fig. 1 for the sake of simplicity not shown, as well as in the Fig. 3 the nozzles 25 and 26 and the radiation source 31 and camera 32 are not shown for the sake of clarity.
  • the robot arm 39 can grasp individual plates 19 with the gripper 40 and move depending on the further method and its degree of contamination. Thus, for example, be provided that clean plate 19a are placed by the lower basket 16 in the upper basket 17 and then no longer be rinsed therefor or the upper spray arm 22 is no longer used.
  • the robot arm 39 with the gripper 40 takes each plate 19 and holds it in front of the combination of irradiation source 31 and camera 32 in order to detect the impurities 35 made visible by the marking means 36. This determines where the plate is moved by the robot arm 39.
  • irradiation source 31 and camera 32 can inspect all articles or plates 19 for contamination where they are.
  • the objects are brought by the robotic arm or other similar device in front of the camera 32 and moved after the investigation as intended.
  • the marking agents are added to the water as a cleaning process towards the end of a rinse cycle.
  • This can be a relatively short one Rinse be, for example, with a period of twenty to thirty minutes, in which it can just be assumed that a small proportion of crockery or cutlery is not cleaned.
  • the already sufficiently cleaned plates 19a are mounted without impurities in the upper basket 17 and the remaining plates 19b in the lower basket 16, a further rinsing process is carried out.
  • this can be similar to the first one, ie with a similar temperature and for a similar duration.
  • it may be shorter or longer, which may even be done depending on how many and how objectively persistent contaminants the camera 32 detects.
  • marking agents can again be applied to the plates and, as it were, similar to the first cleaning process, and contaminants can be searched for.
  • a washing machine 111 schematically. This has, as it were, as alternatives to the two baskets of the dishwasher 11, a first cleaning chamber 113 and additionally a second cleaning chamber 114 within the housing 112. These cleaning chambers need not necessarily be rotating drums, as known from conventional washing machines, but of course it is not excluded.
  • first cleaning chamber 113 In the first cleaning chamber 113 are laundry items 120 that need to be washed. Above the first cleaning chamber 113, a first nozzle 125 of a nozzle device 127 is shown, which can bring the aforesaid marking agent onto the laundry items 120 or into their washing water. Also disposed above are an irradiation source 131 and a camera 132 which are connected to a controller 129. In addition, or between the first cleaning chamber 113 and the second cleaning chamber 114, in turn, a multi-articulated robot arm 139 is arranged, which has a gripper 140 at the free end. The robot arm 139 can with the gripper 114 Bring laundry items 120 from the first cleaning chamber 113 into the second cleaning chamber 114.
  • marking agents may be added, either directly to the laundry 120 via the first nozzle 125 or into the wash water. Alternatively, the labeling agents can also simply be added to the wash water.
  • the robot arm 139 with the gripper 140 picks up individual items of laundry 120 which have been provided with marking means and holds them in front of the camera 132, being illuminated by the irradiation source 131. Then it can investigate whether there are any impurities on the item of laundry which are made visible by the special fluorescent or quantum marking means. Then the washing machine or its controller 129 can decide whether this item of laundry needs to be cleaned again or whether it has already been sufficiently cleaned.
  • a total of a division of the laundry items on the two cleaning chambers 113 and 114 take place.
  • a piece of laundry, on which impurities still visible are brought into the second cleaning chamber 114. There, however, no cleaning needs to be carried out, here the laundry, for example, simply drip off.
  • marking agents should primarily be based on which of them are suitable to adhere to certain or generally average impurities as well as possible or to make them as visible as possible for automated detection, namely by means of radiation source and camera. Above all, the property of being stuck to soiling is of great importance.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Cleaning In General (AREA)
EP17152591.8A 2016-02-15 2017-01-23 Reinigungsverfahren und reinigungsvorrichtung Active EP3205764B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17152591T PL3205764T3 (pl) 2016-02-15 2017-01-23 Sposób czyszczenia i urządzenie czyszczące

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016202267.9A DE102016202267A1 (de) 2016-02-15 2016-02-15 Reinigungsverfahren und Reinigungsvorrichtung

Publications (2)

Publication Number Publication Date
EP3205764A1 EP3205764A1 (de) 2017-08-16
EP3205764B1 true EP3205764B1 (de) 2019-03-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17152591.8A Active EP3205764B1 (de) 2016-02-15 2017-01-23 Reinigungsverfahren und reinigungsvorrichtung

Country Status (8)

Country Link
EP (1) EP3205764B1 (pl)
JP (1) JP6888967B2 (pl)
KR (1) KR102599694B1 (pl)
CN (1) CN107080509B (pl)
DE (1) DE102016202267A1 (pl)
ES (1) ES2729795T3 (pl)
PL (1) PL3205764T3 (pl)
TR (1) TR201909122T4 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11571105B2 (en) 2020-11-24 2023-02-07 Haier Us Appliance Solutions, Inc. Spot detection assembly for a dishwasher appliance

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6895609B2 (ja) * 2017-07-14 2021-06-30 パナソニックＩｐマネジメント株式会社 食器処理機
JP6948516B2 (ja) * 2017-07-14 2021-10-13 パナソニックＩｐマネジメント株式会社 食器処理機
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KR102599694B1 (ko) 2023-11-07
PL3205764T3 (pl) 2019-09-30
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ES2729795T3 (es) 2019-11-06
JP2017144240A (ja) 2017-08-24
CN107080509A (zh) 2017-08-22
EP3205764A1 (de) 2017-08-16
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KR20170095750A (ko) 2017-08-23
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