EP4676285A1 - Machine de distribution de boisson comprenant un dispositif de nettoyage - Google Patents

Machine de distribution de boisson comprenant un dispositif de nettoyage

Info

Publication number
EP4676285A1
EP4676285A1 EP24709685.2A EP24709685A EP4676285A1 EP 4676285 A1 EP4676285 A1 EP 4676285A1 EP 24709685 A EP24709685 A EP 24709685A EP 4676285 A1 EP4676285 A1 EP 4676285A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
cleaner
beverage
milk
drinks
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.)
Pending
Application number
EP24709685.2A
Other languages
German (de)
English (en)
Inventor
Bernd Buchholz
Jörg Ostermeier
Elaine ELLERBROK
Jan Schulze
Horst Schmidt
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.)
Melitta Professional Coffee Solutions GmbH and Co KG
Original Assignee
Melitta Professional Coffee Solutions GmbH and Co KG
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 Melitta Professional Coffee Solutions GmbH and Co KG filed Critical Melitta Professional Coffee Solutions GmbH and Co KG
Publication of EP4676285A1 publication Critical patent/EP4676285A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/60—Cleaning devices

Definitions

  • the invention relates to a drinks machine, in particular a coffee machine, with a cleaning device according to the preamble of claim 1 and a method for cleaning such a drinks machine.
  • Beverage machines such as cold and hot beverage machines, in particular coffee machines, have beverage systems with various functional units for beverage production, including pipes, heat exchangers, etc.
  • the beverage systems are a coffee system and a milk system.
  • the areas of the coffee and milk system of the coffee machine through which hot or cold drinks flow preferably the pipe(s), must be regularly and carefully cleaned with a cleaning fluid.
  • the cleaning fluid used is usually water in which a cleaning agent has been dissolved. To ensure adequate cleaning in areas through which hot and/or cold drinks, especially milk, flow, a sufficient amount of cleaning agent must be added to the water.
  • hot and/or cold beverage flowing areas means that only coffee, tea, water, chocolate/cocoa or milk or milk as part of a hot or cold beverage flows through the area(s).
  • Fig. 1 shows a schematic block diagram of an embodiment of a coffee machine 1 with a cleaning device 2 according to the prior art.
  • the coffee machine 1 is a beverage preparation machine and is shown in a simplified manner.
  • the description below is only an example and can also apply to other beverage preparation machines in a similar way.
  • the coffee machine 1 here comprises the cleaning device 2, at least one first beverage system 3 and at least one second beverage system 4.
  • the first beverage system 3 is a coffee system.
  • the second beverage system 4 is a milk system.
  • the cleaning device 2 is used to clean the first beverage system 3 (coffee system), the second beverage system 4 (milk system) and the associated lines.
  • the cleaning device 2 comprises a first cleaner input unit 6 for the first beverage system 3 (coffee system) and a separate second cleaner input unit 6a for the second beverage system 4 (milk system).
  • the first cleaner input unit 6 is arranged in a supply line 7 between the water inlet 5 and the first beverage system 3 (coffee system).
  • the first cleaner input unit 6 has a device for inputting a cleaner into the supply line 7.
  • This cleaner can be in liquid or solid form. In solid form, the cleaner can be inserted, for example, into a suitable insert part of the cleaner input.
  • the cleaner is also referred to as a cleaning agent.
  • the first beverage system 3 (coffee system) is connected to the water inlet 5 via the supply line 7.
  • the water inlet 5 can also be connected to a water tank (not shown).
  • a water sensor 12 which serves to detect a water pressure, a water quantity and also the quality of the water fed into the water inlet 5.
  • the first beverage system 3 (coffee system) prepares a coffee beverage using the supplied water and ground coffee (not shown).
  • the coffee beverage created in this way is provided via a coffee line 8 through a beverage outlet 10.
  • An additive can be added to the coffee beverage.
  • This additive is milk, which is sucked in by the second beverage system 4 (milk system) here by means of a milk inlet line 14, 14' (more than one milk inlet line 14, 14' can also be provided) from a milk container (not shown) of a beverage unit (here: milk unit 13).
  • a milk inlet line 14, 14' (more than one milk inlet line 14, 14' can also be provided) from a milk container (not shown) of a beverage unit (here: milk unit 13).
  • Two arrows in different directions are shown for the milk inlet line 14, 14'. This is intended to symbolize that, on the one hand, milk is drawn in the direction of the arrow of the milk inlet line 14' from the milk container is sucked in.
  • cleaning agent is passed through the milk inlet line 14, 14' in both directions.
  • the sucked milk is then conveyed via a milk line 16 into an additive outlet 10.
  • the additive is subsequently added to the coffee already present in a container under the outlets 9 and 10 through the additive outlet 9. It is of course also possible for coffee to be introduced into the container through the beverage outlet 10 and additive through the additive outlet 9 at the same time.
  • a milk sensor 15 is installed in the milk inlet line 14, 14', which detects a flow in the milk inlet line 14, 14'. This flow affects both additive and cleaning agent.
  • the milk unit 13 is usually cooled, e.g. a refrigerator.
  • the second detergent input unit 6a is arranged here in the milk unit 13 and is designed, for example, as a container into which liquid detergent can be poured. Detergent powder or tablets can be added to water and dissolved.
  • the first beverage system 3 (coffee system) and the second beverage system 4 (milk system) are cleaned separately by means of the cleaning device 2 starting from the two different cleaner input units 6 and 6a.
  • first cleaning path K (coffee cleaning path).
  • This cleaning path K runs from the first cleaner input unit 6, through the supply line 7, the first beverage system 3 (coffee system) and the coffee line 8 into the drain 11.
  • a separate milk cleaning path M is provided for the second beverage system 4 (milk system).
  • the milk cleaning path M runs from the second cleaner input unit 6a, through the milk inlet line 14, the second beverage system 4 (milk system), the milk line 16 and then into the outlet 11.
  • a cleaner for the first beverage system 3 (coffee system) is fed into the first cleaner input unit 6, mixed with water or dissolved in it and fed through the supply line 7 via the first cleaning path K (coffee cleaning path) to the first beverage system 3 (coffee system).
  • the cleaning liquid then flows through the coffee line 8 into a drain 11.
  • the coffee line 8 is cleaned in the process.
  • Another cleaner for the second beverage system 4 (milk system) is filled into the second cleaner input unit 6a, which is designed as a vessel, for example.
  • a part of the milk inlet line 14, 14' which is usually flexible, is taken from a milk container and inserted into the second cleaner input unit 6a.
  • the cleaner can then be sucked from the cleaner input unit 6a by the second beverage system 4 (milk system) via the milk inlet line 14, 14' and passed via the milk cleaning path M.
  • the cleaner passes through the milk line 16 into the drain 11.
  • the milk line 16 is cleaned in this way.
  • a final rinsing process of the first beverage system 3 (coffee system), the second beverage system 4 (milk system) and the associated lines can be carried out, e.g. with water.
  • the document DE 10 2011 077 435 A1 concerns a cleaning system for hot drinks vending machines.
  • the document EP 1 911 382 A1 describes a device for preparing and dispensing beverages with a cleaning device.
  • the document DE 10 2013 112 130 A1 describes a method for detecting cleaning agents in a beverage machine, in particular a coffee machine.
  • the invention therefore has the object of improving a drinks machine, in particular a coffee machine, with a cleaning device, whereby a simplification of cleaning and cost savings can be made possible.
  • a further object is to provide an improved method for cleaning a drinks machine.
  • the invention solves this problem by a drinks machine with a cleaning device having the feature of claim 1 and by a method for cleaning a drinks machine according to claim 10.
  • a beverage machine in particular a coffee machine, comprises a cleaning device, at least one first beverage system and at least one second beverage system.
  • the cleaning device has a common cleaning agent input unit for a cleaning agent for both beverage systems.
  • cleaner only needs to be added at one point, which can also be used for both the first beverage system (coffee system in a coffee machine) and the second beverage system (milk system in a coffee machine).
  • common detergent input unit means that the detergent filled here is used for both beverage systems.
  • a method for cleaning a drinks machine, in particular a coffee machine, with a cleaning device, at least one first drinks system and at least one second drinks system comprises the method steps (VS1) entering a cleaner or cleaning agent in solid, liquid and/or powdered form into a cleaner input unit of the cleaning device that is common to both drinks systems (3, 4), preparing a drinks unit, in particular a milk unit, for a cleaning process, and starting a cleaning process of the drinks machine; (VS2) distributing the cleaner or cleaning agent thus entered, in particular as a cleaner concentrate, by means of a distribution unit of the cleaning device into a first cleaning path for the first drinks system and into a second cleaning path for the second drinks system; and (VS3) cleaning both the first drinks system and the second drinks system with the same cleaner or cleaning agent.
  • VS1 entering a cleaner or cleaning agent in solid, liquid and/or powdered form into a cleaner input unit of the cleaning device that is common to both drinks systems (3, 4), preparing a drinks unit, in particular a milk unit, for a cleaning process
  • the detergent entered from the detergent input unit common to both beverage systems is distributed lunit is distributed to the cleaning paths belonging to each beverage system, whereby the same cleaner is used for both systems.
  • the cleaning device comprises the common cleaner input unit, a common supply line, a first line, a second line and a distribution unit. This results in an advantageously simple and compact structure.
  • a further embodiment provides that the common supply line forms a common cleaning path from the common cleaner input unit to the distribution unit, which branches off at the distribution unit into a first cleaning path for the first beverage system and a second cleaning path for the second beverage system.
  • One advantage of this is a reduced number of lines with less assembly and parts effort.
  • the distribution unit is a branch of the common supply line, i.e. the common cleaning path. This can be advantageously made possible by means of a simple line branch, i.e. a cost-effective component.
  • An alternative embodiment provides that the distribution unit has either a branch valve or a valve for the first line and a valve for the second line. In this way, an advantageous controllable selection for cleaning both systems simultaneously, sequentially or individually is achieved.
  • the cleaning device has a sensor for detecting and monitoring the cleaning agent, which is arranged on the distribution unit and/or in the distribution unit, since this can be used to determine whether cleaning agent is present or is no longer present.
  • an additional storage container for the cleaning agent and/or the cleaning concentrate is arranged in the common supply line.
  • a particular advantage of the storage container for the cleaning agent and/or the cleaning concentrate is the homogeneity and process stability of the cleaning process.
  • the storage container also makes it possible to reduce the number of times cleaning agent is added, as this means that one cleaning agent is available for subsequent cleaning processes can be prepared and saved in advance.
  • a further embodiment provides that the cleaning device has at least one descaler input unit. This is an advantageous extension of the cleaning of the drinks machine.
  • the drinks machine has a replaceable module unit with storage containers for cleaning agents and/or descaling agents.
  • This is a great advantage, as the storage containers of the module unit can be filled in advance at a suitable location and then easily and quickly exchanged for the module unit with the empty storage containers of the drinks machine. This results in an advantageously simple storage and addition of cleaning agents.
  • the entered cleaner or cleaning agent is mixed with water and prepared. This is advantageous because it enables an individual mixture of the cleaner.
  • cleaner or cleaning agent is stored in a storage container, it is advantageous to be able to carry out several cleaning processes with one addition or filling of cleaner.
  • the cleaning paths (K' and M') are exposed to the same cleaner or cleaning agent simultaneously, one after the other in chronological order, or individually. In this way, it is advantageously possible, for example, to clean the cleaning paths individually several times.
  • Figure 1 a schematic block diagram of an embodiment of a coffee machine with a cleaning device according to the prior art
  • Figure 2 a schematic block diagram of an embodiment of a coffee machine according to the invention with a cleaning device
  • Figures 3-4 schematic block diagrams of a first variant of the embodiment of the coffee machine according to the invention according to Figure 2;
  • FIGs 5-6 schematic block diagrams of further variants of the embodiment of the coffee machine according to the invention according to Figure 2;
  • Figure 7 a schematic flow diagram of a method according to the invention.
  • Figure 2 shows a schematic block diagram of an embodiment of a coffee machine 1 according to the invention with a cleaning device 2.
  • the coffee machine 1 here comprises the cleaning device 2, at least a first beverage system 3 (coffee system) and at least a second beverage system 4 (milk system).
  • the coffee machine 1 according to the invention has a cleaning device 2 with only one, i.e. with a common cleaner input unit 6.
  • the cleaner input unit 6 serves to clean both the first beverage system 3 (coffee system) and the second beverage system 4 (milk system). Only one cleaner needs to be inserted into the common cleaner input unit 6. This one cleaner cleans both systems, i.e. the first beverage system 3 (coffee system) and the second beverage system 4 (milk system).
  • the cleaning device 2 here comprises a common cleaner input unit 6, a supply line 7, a first line 7a, a second line 7b and a distribution unit 17.
  • the supply line 7 forms a common cleaning path KM starting from the common cleaner input unit 6 up to the distribution unit 17, which branches at the distribution unit 17 into a first cleaning path K’ (coffee cleaning path) and into a second cleaning path M’ (milk cleaning path).
  • the first cleaning path K’ (coffee cleaning path) runs through the first line 7a, the first beverage system 3 (coffee system), the coffee line 8 and then into the drain 11.
  • the second cleaning path M’ (milk cleaning path) also begins at the distribution unit 17 and then runs through the second line 7b, the second beverage system 4 (milk system), the milk line 16 9 and finally into the drain 11.
  • the distribution unit 17 can be a simple branch of the supply line 7, i.e. the common cleaning path KM.
  • the distribution unit 17 has either a branch valve or two individual valves, one for the first line 7a and one for the second line 7b.
  • the valves are not shown, but can easily be imagined. They are controlled in a suitable manner by a control unit of the coffee machine 1.
  • either the first line 7a or the second line 7b is connected to the supply line 7.
  • the branch valve either the first line 7a or the second line 7b is connected to the supply line 7.
  • milk unit 13 Before a cleaning process involving the second beverage system 4 (milk system) and the milk unit 13, suitable preparations are required in the milk unit 13. These preparations concern parts of the milk inlet line, in particular flexible parts that are in contact with the milk in a milk container or containers, for example. In certain versions of the milk unit 13, these parts must then be removed from the milk container(s) and placed in a suitable collecting vessel or in a drain. After the cleaning process, these parts must be placed back in the (possibly new) milk container(s). This is not shown here, but is easy to understand and will not be explained further.
  • the beverage outlet 10 can also be switched on in addition to the outlet 11, e.g. by means of a valve.
  • the distribution unit 17 is also equipped with a sensor. This sensor determines whether there is detergent present during the cleaning process and whether there is no detergent left in the water fed into the supply line 7 at the end of the cleaning process. This ensures that no detergent will impair a drink during a subsequent brewing process.
  • This sensor for detecting the cleaner can be arranged on and/or in the distribution unit 17. This sensor can also be arranged at another point on the cleaning path. Additional sensors of this type are also possible.
  • Figure 3 shows a schematic block diagram of a first variant of the embodiment of the coffee machine 1 according to the invention with a cleaning device 2 according to Figure 2 during a first cleaning process.
  • Figure 4 shows the first variant of the embodiment according to Figure 3 during a second cleaning process.
  • the storage container 18 for the cleaning agent or the cleaning concentrate is inserted into the common cleaning path KM.
  • the storage container 18 is connected to the cleaning agent input unit 6 via the supply line 7 and is connected to the distribution unit 17 via a further supply line 7'.
  • the cleaner input unit 6 has a large device for inputting the cleaner.
  • the cleaner e.g. in tablet form, is inserted into a suitable tablet holder and pushed into the cleaner input unit 6.
  • a cleaning concentrate is formed from the dissolved cleaning tablets (or cleaning liquid in another embodiment) and fed into the internal storage container 18.
  • the cleaning concentrate stored in the storage container 18 is then distributed by means of the distribution unit 17 to the first cleaning path K' (coffee cleaning path) via the first line 7a, as indicated by the arrows in Figure 3.
  • a distribution of the cleaning concentrate from the storage container 18 by means of the distribution unit 17 to the second cleaning path M’ (milk cleaning path) via the second line 7b is shown in Figure 4 by the indicated arrows.
  • the advantages of the storage container 18 for the cleaning concentrate are homogeneity and process stability of the cleaning process.
  • FIGS 5-6 show schematic block diagrams of further variants of the embodiment of the coffee machine 1 according to the invention according to Figure 2.
  • Figure 5 shows a second variant in which a descaler input unit 19 is arranged parallel to the cleaner input unit 6.
  • the descaler input unit 19 is arranged parallel to the cleaner input unit 6.
  • the descaler input unit 19 is equipped with a device for inputting descaler as a liquid, powder or tablet or similar.
  • the descaler is mixed with the water from the water inlet 5 and fed into the storage tank 18 and from there distributed to the cleaning paths KM, K' and M' as described above for the cleaner.
  • Figure 5 shows an example of the application of the decalcifier to the milk cleaning path M’.
  • the descaler is detected and monitored in the system by means of the sensors (sensor in the distribution unit 17 and milk sensor 15).
  • the second line 19b of the output of the decalcifier input unit 19 can also be connected, in a not shown but easily understandable embodiment, to an additional storage container for the decalcifier mixed with water.
  • FIG 6 shows a third variant of the embodiment of the coffee machine 1 according to the invention according to Figure 2 with an additional module unit 20.
  • the module unit 20 here has a further water inlet 5a, a further water sensor 12a, the storage container 18 for the cleaning concentrate, a further (additional) storage container 18' for the cleaning concentrate and a storage container 19 for the descaler.
  • the storage containers 18, 18', 18" are each provided with corresponding input units 6, 6a, 19 (not shown, but easily imagined).
  • the cleaning concentrates and the descaler can be automatically dosed from their storage containers 18, 18', 18" into the supply line 7 or into the common cleaning path KM during the cleaning processes of the cleaning device 2.
  • the cleaners and the descaler can be stored as liquid, powder or in tablet form in separate sections of the associated storage containers 18, 18', 18" before being mixed with water and to be refilled by the operator at much longer intervals. This results in a high degree of automation of the coffee machine 1 .
  • FIG. 7 shows a schematic flow diagram of a method according to the invention for operating the cleaning device 2 of the coffee machine 1.
  • a cleaner e.g. in solid, liquid and/or powdered form, is introduced into the cleaner input unit 6.
  • the milk unit 13 is suitably prepared for a cleaning process and the cleaning process is started.
  • the cleaner thus introduced is then distributed as a cleaner concentrate into a first cleaning path K' and a second cleaning path M' by means of the distribution unit 17 in a second process step VS2. It is possible here for the cleaning paths K' and M' to be exposed to the same cleaner or cleaning agent simultaneously, one after the other in chronological order, or individually.
  • the cleaning concentrate is mixed or prepared with water. It can also be stored in a storage container 18, 18'.
  • the water is monitored for pressure, quantity and quality using a suitable sensor.
  • both the first beverage system 3 and the second beverage system 4 are cleaned with the same cleaner.
  • the presence of the cleaner in the cleaning paths K', M', lines and beverage systems 3, 4 is detected and monitored.
  • the cleaning device 2 can be switched on by an operator as required or upon request by an operating system of the coffee machine 1 (e.g. on a display).
  • cleaner or descaler as well as all cleaning paths K' and M' can be selected together or individually.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Tea And Coffee (AREA)

Abstract

Une machine de distribution de boisson, en particulier une machine à café (1), comprend un dispositif de nettoyage (2), au moins un premier système de boisson (3) et au moins un second système de boisson (4). Le dispositif de nettoyage (2) présente une unité d'entrée d'agent de nettoyage (6) commune pour un agent de nettoyage pour les deux systèmes de boisson (3, 4). L'invention concerne également un procédé de nettoyage d'une machine de distribution de boissons, en particulier d'une machine à café, comprenant un dispositif de nettoyage (2), au moins un premier système de boisson (3) et au moins un second système de boisson (4).
EP24709685.2A 2023-03-08 2024-03-04 Machine de distribution de boisson comprenant un dispositif de nettoyage Pending EP4676285A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023105704.9A DE102023105704A1 (de) 2023-03-08 2023-03-08 Getränkeautomat mit einer Reinigungsvorrichtung
PCT/EP2024/055623 WO2024184321A1 (fr) 2023-03-08 2024-03-04 Machine de distribution de boisson comprenant un dispositif de nettoyage

Publications (1)

Publication Number Publication Date
EP4676285A1 true EP4676285A1 (fr) 2026-01-14

Family

ID=90361707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24709685.2A Pending EP4676285A1 (fr) 2023-03-08 2024-03-04 Machine de distribution de boisson comprenant un dispositif de nettoyage

Country Status (5)

Country Link
EP (1) EP4676285A1 (fr)
JP (1) JP2026509415A (fr)
CN (1) CN120751964A (fr)
DE (1) DE102023105704A1 (fr)
WO (1) WO2024184321A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH719068A9 (de) * 2021-10-15 2023-06-30 Schaerer Ag Behälter zur Bereitstellung eines flüssigen Reinigungsmittels für Kaffeemaschinen sowie Vorrichtung und Verfahren zur Herstellung eines flüssigen Reinigungsmittels.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008531162A (ja) * 2005-02-28 2008-08-14 コーヒー ネーション リミテッド 飲料を製造する装置
DE102006047969A1 (de) 2006-10-11 2008-04-17 Niro-Plan Ag Vorrichtung zur Zubereitung und Ausgabe von Getränken mit Reinigungseinrichtung
DE102008003733B4 (de) * 2008-01-10 2022-12-01 Franke Kaffeemaschinen Ag Reinigungsmodul, Vorrichtung und Verfahren zur Reinigung für Maschinen zur Herstellung flüssiger Lebensmittel
DE102011077435A1 (de) 2011-06-10 2012-12-13 Macchiavalley Produktions Gmbh Reinigungssystem für Heißgetränkeautomaten
DE102013112130A1 (de) 2013-11-05 2015-05-07 Melitta Professional Coffee Solutions GmbH & Co. KG Verfahren zur Erkennung von Reinigungsmitteln in einer Getränkemaschine, insbesondere einer Kaffeemaschine
DE102014112756A1 (de) * 2014-09-04 2016-03-10 Miele & Cie. Kg Verfahren zur Reinigung eines Milch führenden Strömungsleitungssystems eines Getränkeautomaten und Getränkeautomat zur Durchführung des Verfahrens
DE102019101677A1 (de) * 2019-01-24 2020-07-30 Miele & Cie. Kg Getränkeautomat
CH716748B1 (de) * 2019-10-17 2023-12-29 Franke Kaffeemaschinen Ag Vorrichtung zur Zubereitung und/oder Ausgabe von flüssigen Lebensmitteln.

Also Published As

Publication number Publication date
JP2026509415A (ja) 2026-03-19
DE102023105704A1 (de) 2024-09-12
CN120751964A (zh) 2025-10-03
WO2024184321A1 (fr) 2024-09-12

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR