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WO2018099597A1 - Dispositif pour préparer au moins un liquide destiné à être consommé - Google Patents

Dispositif pour préparer au moins un liquide destiné à être consommé Download PDF

Info

Publication number
WO2018099597A1
WO2018099597A1 PCT/EP2017/001390 EP2017001390W WO2018099597A1 WO 2018099597 A1 WO2018099597 A1 WO 2018099597A1 EP 2017001390 W EP2017001390 W EP 2017001390W WO 2018099597 A1 WO2018099597 A1 WO 2018099597A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
hydraulic
heatable element
consumption
distributor
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.)
Ceased
Application number
PCT/EP2017/001390
Other languages
German (de)
English (en)
Inventor
Axel MÜLLER
Michael Müller
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.)
Thomas Magnete GmbH
Original Assignee
Thomas Magnete 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 Thomas Magnete GmbH filed Critical Thomas Magnete GmbH
Publication of WO2018099597A1 publication Critical patent/WO2018099597A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A47J31/40—Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
    • A47J31/402—Liquid dosing devices
    • 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
    • A47J31/54—Water boiling vessels in beverage making machines
    • A47J31/542—Continuous-flow heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing

Definitions

  • the invention relates to a device for use in a machine for preparing at least one intended for consumption liquid. Furthermore, the invention relates to a method for producing a liquid intended for consumption.
  • DE 10 2015 004 452 discloses a metering device for use in coffee machines for preparing coffee.
  • This metering device is part of a distributor, this distributor having a plurality of individual components, whereby the assembly of this distributor is laborious and therefore expensive.
  • EP 2 050 368 A1 discloses a coffee machine which has a steam generator and a heating device. Also in this disclosure is a complex structure before this coffee maker, which also includes a costly manufacturing process.
  • a device for use in a machine for preparing at least one intended for consumption Liquid comprising a hydraulic distributor, which cooperates with a metering unit which is coupled on the one hand with a hydraulic input and on the other hand connected to a hydraulic line in which the liquid can be flowed through, wherein the hydraulic distributor has the hydraulic line and at least one hydraulic output.
  • the invention includes the technical teaching that at least one heatable element is arranged between the dosing unit and the hydraulic outlet for controlling the temperature of the liquid in the hydraulic line.
  • the heatable element acts as a heat source and causes the heat to be delivered by the heatable element to be transferred directly to the liquid intended for consumption before this liquid is to be dispensed from the machine.
  • a control unit ensures that the heatable element is supplied with power in order to heat the heatable element to a corresponding and predetermined temperature.
  • the heatable element has a material which can be heated by supplying power.
  • the specified temperature is stored on a digital basis in the control unit. For each temperature value, an assigned resistance value is stored. The control unit compares determined resistance values with the current temperature of the corresponding fluid.
  • the control unit ensures that the heatable element is heated or cooled by means of power supply or current reduction to the desired temperature, whereby the desired temperature is transferred to the corresponding fluid.
  • the desired temperature is freely selectable by the user of the machine. Due to the arrangement of the heatable element between the metering unit and the hydraulic outlet, the desired temperature of the corresponding liquid is only shortly before leaving the machine transferred to this liquid, which ensures that this liquid can be filled without loss of heat through the hydraulic outlet in the designated container such as a cup.
  • the heatable element can be advantageously at least partially surrounded by this liquid.
  • This arrangement causes a complete and direct transfer of heat from the heatable element to the liquid in the hydraulic line. As a result, no heat losses occur, as a result of which the energy introduced can be used effectively.
  • the heatable element is formed media-resistant with respect to the liquid.
  • the material of the heatable element is suitable for processing food, which in the present invention is the heating of the liquid intended for consumption, for example a preparation of coffee.
  • the materials to be used for the heatable element comply with the international NSF Standard 61, which makes these materials suitable for processing foodstuffs. DIN 10528 discloses instructions for the selection of materials for contact with food.
  • the heatable element may be substantially rectilinear or spiral-shaped.
  • the rectilinear embodiment of the heatable element is a cost-effective material for the heatable element to use, which is only to bring to length and the required power connections are to be arranged.
  • a spiral configuration of the heatable element causes a temporal faster heating of the liquid to be heated, since such a spirally heatable element provides a larger surface for the release of heat to the liquid.
  • the larger the diameter of the turns the more surface area the spiral-shaped heatable element has.
  • the heatable element is arranged in a tube, wherein the tube has a liquid which at least partially surrounds the heatable element, wherein the tube between the metering unit and the hydraulic outlet is arranged.
  • a liquid in the tube causes a protection of the heatable element against a possible chemical reaction such as a calcification of the heatable element. This could occur when the device is used to make coffee, whereby the water to be heated can cause limescale deposits on the heatable element.
  • the liquid in the tube acts as additional support in heating the liquid to be heated for consumption.
  • the liquid contained in the tube is advantageously heat-conducting, whereby the heat from the heatable element to the liquid to be heated is transferable, wherein the liquid in the tube forms an additional surface for heat emission.
  • the heatable element is arranged by thick film technology in the hydraulic line.
  • a thick film technique involves a light and thin element, which is flexible, whereby this is easy to integrate into the hydraulic line. By printing, such a layer can be arranged in the hydraulic line.
  • the thick-film technique offers a high power density, whereby a relatively rapid heating of the liquid to be heated can take place.
  • the heatable element may have an electrical connection which is common to the hydraulic distributor. In such a connection only an electrical connection is required, with a smaller space can be achieved, as compared to individual connections would be provided.
  • this device can be designed to save space, whereby the assembly costs and thus the manufacturing costs are to be reduced.
  • the heatable element is a resistance heating wire.
  • a resistance heating wire is inexpensive, whereby the manufacturing cost of such a device can be reduced.
  • the heatable element is heated by induction.
  • Induction in contrast to a doublsSchdraht a faster heat to achieve the heatable element, whereby the heat is supplied to the liquid to be heated more efficient.
  • an induction in contrast to a resistance heating wire, the sealing is more advantageous, since a seal is considerably simpler when using an induction.
  • the hydraulic distributor may also be advantageous for the hydraulic distributor to be thermally insulated.
  • electrical energy is needed. In order to keep this electrical energy as low as possible, it is a concern to minimize heat loss.
  • a thermally insulated hydraulic distributor it is ensured that the heat generated by the heatable element is released when it is to be heated Liquid is completely available for delivery to the liquid to be heated and is not lost by properties of the environment.
  • this device is able to apply the heat generated specifically where it is needed, whereby no heat losses occur.
  • the thermal insulation of the distributor can be achieved by a material which has a low thermal conductivity or no thermal conductivity.
  • the hydraulic distributor may comprise at least one electronic control.
  • This electronic control is an integral part of the device, whereby the electronic control ensures that the liquid dispensed from the machine has the desired temperature.
  • the heatable element can be controlled by the electronic control substantially radially to the longitudinal extent of the hydraulic line.
  • the electronic control is designed such that it monitors a current consumption of the heatable element and / or a voltage curve due to their configuration and / or measures and adjusts with the stored in the electronic control unit, predetermined values.
  • the control is permanently and promptly able to perform a target-actual comparison during the preparation of the liquid.
  • the electronic control unit is designed such that it regulates the power supply to the heatable element due to its design upon detection of a value deviation to ensure predetermined values.
  • the electronic control is designed to provide, if necessary, an immediate correction of the Power supply to ensure that the liquid leaving the machine has the desired temperature.
  • a process for producing a liquid intended for consumption is carried out by the following steps:
  • the liquid is metered and brought into contact with the stimulant, whereby the liquid intended for consumption is formed,
  • a device for use in a machine for preparing at least one liquid intended for consumption has a hydraulic distributor which cooperates with a dosing unit.
  • This dosing unit provides a metered volume of liquid for processing liquids intended for consumption.
  • the dosing unit can be coupled on the one hand with a hydraulic input and on the other hand connected to a hydraulic line in which the liquid intended for consumption can be flowed through. By the hydraulic input, a component of the liquid intended for consumption can be fed into the dosing unit.
  • the hydraulic distributor has the hydraulic line and at least one hydraulic outlet. The hydraulic outlet is designed such that the heated, intended for consumption liquid from the machine is executable to fill this liquid in a container such as a cup can.
  • At least one heatable element is arranged between the dosing unit and the hydraulic outlet for controlling the temperature of the liquid intended for consumption.
  • the heatable element acts as a heat source and causes the heat to be emitted by the heatable element to be transferred directly to the liquid intended for consumption, before this liquid is to be dispensed from the machine.
  • a control unit ensures that the heated Element is to be supplied with electricity in order to heat the heatable element to a corresponding and predetermined temperature can.
  • the heatable element is made of a material which can be heated by supplying power.
  • the predetermined temperature is stored on a digital basis in the control unit, wherein an associated resistance value is assigned to each temperature value.
  • the control unit is able to compare temperature values with resistance values.
  • control unit ensures that the heatable element is heated or cooled to the desired temperature by power supply or current reduction.
  • desired temperature is to be delivered from the heatable element to the liquid intended for consumption.
  • the arrangement of the heatable element between the metering unit and the hydraulic outlet ensures that the liquid intended for consumption can be filled without loss of heat via the hydraulic outlet into the container provided for this purpose, such as a cup.
  • the heatable element may be at least partially surrounded by this liquid during the passage of the liquid intended for consumption in the hydraulic line, whereby a complete and direct transfer of the heat from the heatable element to the liquid located in the hydraulic line is to be achieved.
  • the energy introduced by the controller is thus effectively usable, whereby no heat losses occur.
  • the material of the heatable element is suitable for the processing of food, since the heatable element is formed media resistant.
  • the materials to be used for the heatable element comply with an international standard known as the SNF Standard 61, which makes these materials suitable for food processing are.
  • a DIN 10528 discloses guidance for the selection of materials for contact with food.
  • a media-resistant material is suitable for processing foods, which material is used in the heatable element of this device.
  • a substantially rectilinear designed heatable element is inexpensive, which is only to bring to length and the necessary power connections are to be arranged.
  • a spiral-shaped heatable element effects a faster heating of the liquid to be heated for consumption, since this element, which can be heated in a spiral manner, offers a larger surface for the release of heat to a liquid.
  • the larger the diameter of the turns the more surface has the spiral-shaped heatable element.
  • the same applies to the number of turns. The more turns such a heatable element has, the larger the surface of the heatable element.
  • a larger surface area on the heatable element causes more rapid heating of the liquid intended for consumption than a comparatively lower surface area on the heatable element. If it is provided to arrange the heatable element in a tube which is arranged in the hydraulic line, it is necessary that the tube has a heat-conducting liquid which at least partially surrounds the heatable element.
  • the tube is arranged between the dosing unit and the hydraulic outlet.
  • the liquid in the tube causes a protection of the heatable element from a possible chemical reaction, such as calcification of the heatable element, which could occur if the device is used for the preparation of coffee, whereby the water to be heated Limescale deposits on the heatable element causes.
  • a calcification counteracts such a liquid in the tube as protection.
  • the liquid in the tube also acts as an additional aid in heating the liquid to be heated for consumption, the liquid in the tube being thermally conductive.
  • the heat from the heatable element to the liquid to be heated via the liquid in the tube is transferable and the liquid in the tube forms an additional surface for heat dissipation.
  • the heatable element is arranged in the hydraulic line. Due to the thick-film technology, a light and thin element is available, which is flexible.
  • the thick film technology offers a high power density, whereby a relatively rapid heating of the liquid to be heated takes place.
  • Such a layer can be arranged by printing in the hydraulic line.
  • the heatable element has an electrical connection common to the hydraulic distributor. As a result, a small space to achieve, as compared to individual connections would be provided. Thus, this device is designed to save space, whereby the installation effort and thus the production costs are reduced.
  • the heatable element is to be heated by induction.
  • induction there is an effective supply of heat to the intended to be consumed liquid to be heated.
  • the seal is when using induction designed simpler, which is less time to apply for the seal in the device.
  • the hydraulic distributor is thermally insulated, whereby the electrical energy required for heating the heatable element is kept low and heat losses are minimized.
  • the thermally insulated hydraulic distributor it is ensured that the heat generated by the heatable element when delivered to the liquid to be heated is completely available for delivery to the liquid to be heated for consumption and is not lost by environmental characteristics ,
  • this device is able to apply the heat generated specifically where it is needed, whereby no heat losses occur.
  • the thermal insulation of the distributor is carried out by a material with little or no thermal conductivity, whereby the heat loss is minimized or avoided.
  • the hydraulic distributor has at least one electronic control, which is an integral part of the device.
  • the electronic control ensures that the liquid emanating from the machine has the desired temperature.
  • the heatable element is driven by the electronic control substantially radially to the longitudinal extent of the hydraulic line to electronically control the heatable element in a simple manner.
  • the electronic control monitors and / or measures a current consumption of the heatable element and compares these determined values with values that are stored in a value table defined within the control. Likewise, the electronic control monitors and / or measures a voltage curve of the current consumption and compensates for this determined Values with the digital value table stored in the control.
  • the values as well as the value table contain numerical values, with each numerical value being assigned a specific numerical value in the value table. Thus, the numerical values are stored as temperature values, wherein a resistance value is assigned to each temperature value.
  • the electronic control is permanently and promptly able to perform a desired-actual comparison during the heating of the liquid intended for consumption.
  • the electronic control unit is further able to regulate the current supply to the heatable element upon detection of a value deviation in order to ensure predetermined temperature values for the liquid to be heated.
  • the electronic control can determine a value deviation in which the assigned values do not match. As soon as the electronic control detects such a deviation, it ensures that the power supply increases or decreases until the assignment of the values coincides.
  • the electronic control is designed to provide, if necessary, an immediate power supply correction to ensure that the liquid to be heated has the desired temperature just prior to leaving the machine. Thus, the electronic control regulates the power supply of the hydraulic distributor.
  • FIG. 2 shows a schematic detail of an inductively heated element in a hydraulic distributor
  • FIG. 3 is a schematic sectional view through the hydraulic
  • Figure 7 is a schematic sectional view through the hydraulic
  • FIG. 1 shows a distributor 10 according to the invention, which has a metering unit 30.
  • This metering unit 30 has a hydraulic inlet 40 which can be coupled to a container in which a liquid intended for consumption is to be heated.
  • the distributor 10 has at least one hydraulic output 50, whereby between see the metering unit 30 and the at least one hydraulic outlet 50 at least one heatable element 20, 25 is arranged in the hydraulic line 60.
  • FIG. 2 shows a schematic sectional illustration of an inductively heatable element 80 in the hydraulic distributor 10 in the longitudinal direction of the hydraulic line 60, wherein the coil 70 is arranged in the distributor 10.
  • the inductively heatable element 80 is arranged substantially radially to the longitudinal extension of the hydraulic line 60 in the region of the coil 70 on the surface of the hydraulic line 60 to the manifold 10.
  • a sectional plane A is present.
  • FIG. 3 shows a schematic sectional illustration through the hydraulic line 60 of the distributor 10 with a resistance heating wire 90.
  • the resistance heating wire 90 is arranged in the hydraulic line 60 and at least with an extent substantially radial to the longitudinal extent of the hydraulic line 60 at the surface of the hydraulic line 60 Line 60 is arranged.
  • FIG. 4 shows a schematic sectional illustration on the sectional plane A from FIG. 2.
  • the device 1 has a hydraulic line 60 and a coil 70, the coil 70 surrounding the hydraulic line 60.
  • an inductive heatable heating element 80 is arranged, which is connected to the surface of the hydraulic line 60 substantially radially to the longitudinal extent of the hydraulic line 60 with the coil 70.
  • FIG. 5 shows a schematic sectional illustration through the hydraulic line 60 with a spiral resistance heating wire 100 in the hydraulic distributor 10 in the longitudinal direction of the hydraulic line 60
  • Resistance heating wire 100 is arranged substantially radially to the longitudinal extent of the hydraulic line 60 on the surface of the hydraulic line 60 to the manifold 10.
  • FIG. 6 shows a schematic sectional illustration through the hydraulic line 60 with a spiral resistance heating wire 100, wherein the resistance heating wire 100 is arranged in a tube 110.
  • This tube 110 has a heat-conducting liquid which at least partially surrounds the resistance heating wire 100.
  • a liquid intended for consumption can be flowed through in the hydraulic line 60, wherein the heat-conducting liquid in the tube 110 can be heated by the resistance heating wire 100, whereby the liquid heated in the tube 110 transmits its heat to the liquid through which the hydraulic line 60 can flow.
  • Figure 7 shows a schematic sectional view through the hydraulic line 60 of the manifold 10 with a thick-film heater 120, which is arranged on the surface of the hydraulic line 60.
  • the thick-film heater 120 has a first contacts 125 and a second contact 127, which can be coupled to an electronic controller, with which the thick film heater 120 can be controlled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

L'invention concerne un dispositif conçu pour être utilisé dans une machine pour préparer au moins un liquide destiné à être consommé, comprenant un distributeur hydraulique qui coopère avec une unité de dosage qui, d'une part, peut être accouplée à une entrée hydraulique et qui, d'autre part, est reliée à une conduite hydraulique dans laquelle le liquide peut circuler, le distributeur hydraulique comportant la conduite hydraulique et au moins une sortie hydraulique. Selon l'invention, au moins un élément chauffable est disposé dans la conduite hydraulique entre l'unité de dosage et la sortie hydraulique pour thermoréguler le liquide.
PCT/EP2017/001390 2016-12-01 2017-11-29 Dispositif pour préparer au moins un liquide destiné à être consommé Ceased WO2018099597A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016014300.2 2016-12-01
DE102016014300.2A DE102016014300A1 (de) 2016-12-01 2016-12-01 Vorrichtung zur Bereitung zumindest einer zum Verzehr vorgesehene Flüssigkeit

Publications (1)

Publication Number Publication Date
WO2018099597A1 true WO2018099597A1 (fr) 2018-06-07

Family

ID=61188739

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/001390 Ceased WO2018099597A1 (fr) 2016-12-01 2017-11-29 Dispositif pour préparer au moins un liquide destiné à être consommé

Country Status (2)

Country Link
DE (1) DE102016014300A1 (fr)
WO (1) WO2018099597A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111158275A (zh) * 2019-12-24 2020-05-15 浙江工业大学 一种基于BLE和Web服务器的液位计读写装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1568631A (fr) * 1967-06-14 1969-05-23
WO2005120312A1 (fr) * 2004-06-10 2005-12-22 The Technology Partnership Plc Machine a boisson
EP2050368A1 (fr) 2007-10-16 2009-04-22 Gruppo Cimbali S.p.A. Machine à café avec distributeur pour boissons à base de chocolat prêtes à consommer
WO2012069594A1 (fr) * 2010-11-26 2012-05-31 Gotec Sa Pompe a liquide volumetrique comprenant une cartouche chauffante
DE102015004452B3 (de) 2015-04-04 2016-06-09 Thomas Magnete Gmbh Verfahren zum Betrieb einer Dosiereinrichtung mit integrierter Temperaturmessung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1568631A (fr) * 1967-06-14 1969-05-23
WO2005120312A1 (fr) * 2004-06-10 2005-12-22 The Technology Partnership Plc Machine a boisson
EP2050368A1 (fr) 2007-10-16 2009-04-22 Gruppo Cimbali S.p.A. Machine à café avec distributeur pour boissons à base de chocolat prêtes à consommer
WO2012069594A1 (fr) * 2010-11-26 2012-05-31 Gotec Sa Pompe a liquide volumetrique comprenant une cartouche chauffante
DE102015004452B3 (de) 2015-04-04 2016-06-09 Thomas Magnete Gmbh Verfahren zum Betrieb einer Dosiereinrichtung mit integrierter Temperaturmessung

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