CN108732111B - Method and quality detection device for determining the quality of at least one beverage - Google Patents
Method and quality detection device for determining the quality of at least one beverage Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B73/00—Bottle cupboards; Bottle racks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a method for determining the quality of at least one beverage (10 a-c), in particular a fermented and/or alcoholic beverage, located in a closed container (12 a-d), wherein, in a first step, at least one first value of at least one quality parameter of the beverage (10 a-c) is determined, in a second step, at least one second value of the quality parameter of the beverage (10 a-c) is determined, and, in a third step, the quality of the beverage (10 a-c) is determined based on the difference between the values of the quality parameter.
Description
Technical Field
The present invention relates to a method for determining the quality of at least one beverage located in a closed container, and to a quality detection apparatus for determining the quality of at least one beverage located in a closed container.
Background
From document US 2009/0321646 A1, a method is known for determining the quality of at least one beverage, in particular wine, located in a closed container. Here, the value of at least one quality parameter of a beverage of unknown quality is determined and compared with a predetermined library or database. However, if the physical properties of the container, such as color, geometry, or thickness, change, the prior art would need to generate a new library or database containing the new physical properties. Such a process would be quite time consuming and would be prone to problems, as would be required for: a precise alignment of the light source, the receptacle and the light detector and an additional control receptacle that can be opened for an accurate determination of the quality of the beverage.
Disclosure of Invention
The object of the present invention is in particular to make available a method and a quality-detecting device for determining the quality of at least one beverage with improved flexibility of properties. This object is achieved by the features of the invention, while advantageous embodiments and further developments of the invention can be derived from the disclosure.
The invention relates to a particularly non-destructive method for determining the quality of at least one beverage, particularly a fermented and/or alcoholic beverage (such as wine and/or wine products), located in a closed container, wherein in a first step at least one first value of at least one quality parameter of the beverage is determined, in a second step at least one second value of the quality parameter of the beverage is determined, and in a third step the quality of the beverage is determined based on the difference between the values of the quality parameter, particularly on the respective values of the quality parameter, the subtraction and/or the ratio between the values of the quality parameter. In this case, the beverage is in particular located in a closed, in particular unopened container when the first value of the quality parameter and the second value of the quality parameter are determined. In addition, the change in the quality parameter, in particular over time, is advantageously monitored in order to determine the quality of the beverage. By this embodiment, an advantageous determination of the quality of the at least one beverage can be achieved with flexibility in improving the properties. The invention allows in particular an independent, self-referencing quality determination, in particular without complex algorithms for association with a library or database. Furthermore, the determination of the quality of the beverage is in particular independent of the physical properties of the container, such as its color, geometry and/or thickness. The method is therefore particularly independent of variations in the container due to production differences. Thereby, especially the User Experience (UX) can be advantageously improved.
"quality parameter" means in particular a parameter associated with the quality of the beverage. Advantageously, the processor unit and/or the determination unit are at least capable of deducing the quality of the beverage from, and/or directly determining the quality of the beverage from, in particular a temporal variation of, a quality parameter, preferably a quality parameter. Furthermore, preferably, the quality parameter corresponds to and/or is associated with a measurement signal, which is obtained by analyzing the beverage and which particularly represents and/or characterizes the quality of the beverage. Particularly preferably, the value of the quality parameter corresponds to a characteristic value obtained and/or calculated from the measurement signal, for example by using chemometric analysis and/or a specific algorithm. Furthermore, by "quality parameter of a beverage" is meant in particular a characteristic associated with health, nutrition, ageing, acetification, maturity, fermentation, year of manufacture, alcohol concentration, acidity, deterioration and/or shelf life of the beverage, and/or any other characteristic that may be indicative of the quality of the beverage. The term "determining" particularly means advantageously measuring and/or calculating from the measurement signal, more advantageously calculating by using a specific algorithm.
In addition, the container is in particular at least partially composed of a material which is transparent to electromagnetic radiation of at least one specific wavelength and preferably of a series of specific wavelengths, said material being advantageously transparent to at least Infrared (IR) light and/or near-infrared (NIR) light, more advantageously to electromagnetic radiation of wavelengths between 400nm and 3000nm, most advantageously to electromagnetic radiation of wavelengths between 800nm and 1100 nm. Furthermore, the term "closed container" particularly means a container which is closed, in particular unopened, tightly, in particular liquid-tight, by the manufacturer and/or producer of the beverage.
Furthermore, it is proposed that each of the values of the quality parameter, in particular at least the first value and the second value, is associated with a measurement signal, which is obtained by: by using electrical measuring radiation having one specific wavelength and/or several specific wavelengths and by detecting a shift, in particular a wavelength shift and/or an intensity change, of the electromagnetic radiation caused by the beverage, and in particular by reflection processes, transmission processes and/or scattering processes. Preferably, the electromagnetic radiation used is Infrared (IR) and/or Near Infrared (NIR) light. Particularly preferably, the electromagnetic radiation used is in the range between 400nm and 3000nm, most advantageously between 800nm and 1100 nm. In this way, the amount of information that is needed, in particular, to determine the quality of the beverage may be increased.
Preferably, at least a first value of a quality parameter of the beverage is stored in the data storage unit. It is particularly preferred that the values of all determined quality parameters of the beverage are stored in a data storage unit. "data storage unit" particularly refers to a unit that: it comprises at least one memory unit and the data storage unit is configured to store at least one value, particularly preferably a plurality of values, of the quality parameter. Here, the data storage unit may be embodied in particular as a local data storage and/or as a cloud data storage. "configured" especially refers to being specifically programmed, designed and/or equipped. An object is configured for a certain function, in particular it is to be understood that the object fulfils and/or realizes the certain function in at least one application state and/or operation state. In this way, a particularly flexible storage management can be achieved.
A particularly flexible and/or accurate determination of the quality of the beverage can be achieved if the value of the quality parameter of the beverage is determined periodically in order to monitor the quality of the beverage. At least one value of the quality parameter can be determined at least once daily, once weekly and/or once monthly, preferably automatically. Additionally or alternatively, the user may manually initiate the determination of the at least one value of the quality parameter. In addition, for determining the quality of the beverage, the determined current value of the quality parameter may be compared with the first value of the quality parameter at the beginning and/or with a previous quality parameter determined immediately before the determined current value. It is particularly advantageous to determine the quality of the beverage on the basis of a change in the quality parameter, in particular over time, and/or on the basis of a relative change in the value of the quality parameter. Furthermore, the quality of the beverage is advantageously monitored during a monitoring period, which may in particular be a monitoring period of days, weeks, months and/or years.
It is further suggested that in at least one operating state a notification associated with the quality of the beverage is generated. The notification may indicate information regarding the maturity, degree of fermentation, year of manufacture, alcohol concentration, shelf life, and/or drinking age (consumption period) of the beverage, and/or any other information associated with the quality of the beverage. Preferably, the notification is displayed by a specific display unit and/or sent to e.g. a smartphone, a tablet, a laptop, a desktop computer and/or any other type of external electrical and/or electronic device, in particular directly connected and/or connected via a cloud or the like. In this way, the user may advantageously be notified directly and/or remotely about the current quality of the beverage.
Furthermore, the present invention relates to a quality detection device for determining the quality of at least one beverage, in particular a fermented and/or alcoholic beverage such as wine and/or a wine product, located in a closed container, comprising a determination unit configured for determining at least one value, in particular a second value, of at least one quality parameter of the beverage and for determining the quality of the beverage based on a difference between the value of the quality parameter and at least one further value, in particular the first value, of the quality parameter. Preferably, the determination unit is further configured for determining a further value, in particular the first value, of the quality parameter of the beverage. By "quality detection device" is in particular understood at least one portion and/or one portion (preferably a subassembly) of a container (preferably a bottle), a label (preferably a bottle label) configured to be arranged on top of the closed container and/or a household appliance, such as a bottle rack and/or a household refrigeration appliance (such as a wine climatic cabinet, a refrigerator, a cooler and/or a freezer, etc.). Additionally and/or alternatively, the quality detection device may also be implemented at least as a part and/or a portion, preferably a subassembly, of a portable and/or handheld device. Furthermore, the quality detection apparatus may particularly further comprise a measurement unit for generating at least one measurement signal associated with a value of the quality parameter; a data storage unit, in particular the aforementioned data storage unit, for storing at least a first value of a quality parameter of the beverage; a notification unit for generating at least one notification associated with the quality of the beverage, in particular the aforementioned notification; and/or a display unit, in particular the aforementioned display unit, for displaying a notification. "determination unit" particularly means an electrical and/or electronic unit, which preferably comprises at least one information input, at least one information processing element and at least one information output. The determination unit here advantageously comprises a processor unit, a memory unit and/or an operating program which is advantageously stored in the memory unit and is preferably executed by the processor unit. By this embodiment, an advantageous determination of the quality of the at least one beverage can be achieved with flexibility in improving the properties. The invention allows in particular an independent, self-referencing quality determination, in particular without complex algorithms for association with a library or database. Furthermore, the determination of the quality of the beverage is in particular independent of physical properties of the container, such as its color, geometry and/or thickness. The process is therefore particularly independent of the differences that exist between the containers due to production differences. Thereby, in particular the user experience may advantageously be improved.
Furthermore, it is proposed that the quality detection device comprises at least one identification unit for assigning a determined quality of the beverage to a specific container. The identification unit can be embodied here as a scanner unit, for example for detecting a barcode, a QR code, an RFID tag and/or an NFC tag, and/or as an input unit, for example for manually inputting information. In this way, a user can advantageously monitor a plurality of containers and/or beverages simultaneously with one quality detection device. Furthermore, if the determination process has been intermittently interrupted, for example by momentarily moving the container and/or displacing the container, the determination process may advantageously be associated with a specific container and/or beverage.
The mass detection device may include a battery for supplying energy to components of the mass detection device. In addition or alternatively, it is proposed that the quality detection device comprises at least one energy collection unit for energy supply, in particular for supplying a determination unit, a measurement unit, a data storage unit, a notification unit, a display unit and/or an identification unit. The energy collecting unit can be embodied here in particular as a thermoelectric generator, a photovoltaic element, a piezo crystal and/or a wireless charging antenna. In this way, a particularly flexible energy supply and/or a self-contained quality detection device can be achieved.
The method and the quality detection device are not limited to the above-described applications and embodiments. In particular, the method and quality detection device may comprise a number of corresponding elements, structural components and units different from the number mentioned herein for the purpose of achieving the functionality described herein. In addition, with respect to value ranges mentioned in this disclosure, values within the mentioned limits should be understood to be disclosed as well and used as appropriate.
Drawings
Further advantages may become apparent from the following description of the drawings. In which exemplary embodiments of the invention are shown. The person skilled in the art will purposefully also consider the features separately and will find further advantageous combinations.
Shown in the following:
figure 1 is a schematic front view of a closed container containing a beverage,
figure 2 shows schematically a quality detection device for determining the quality of a beverage in a closed container,
figure 3 is a flow chart of a method for determining the quality of a beverage located in a closed container,
figure 4 shows a further embodiment of the quality detection means in a schematic view,
fig. 5 shows a further embodiment of a closed container, containing a beverage and comprising a label with quality detection means,
FIG. 6 the quality detection device of FIG. 5 in an operating state, and
fig. 7 shows a further embodiment of a household appliance comprising at least one quality detection means.
Detailed Description
Fig. 1 shows an exemplary container 12a containing a beverage 10a in a schematic front view. The container 12a is embodied as a bottle. The container 12a is closed, in particular unopened. In the present case, the container 12a is closed and secured by the manufacturer and/or producer of the beverage 10a. Furthermore, the beverage 10a located in the container 12a is a fermented and/or alcoholic beverage. In the present case, the beverage 10a may be wine and/or a wine product, in particular red wine, white wine and/or pink wine. However, other beverages may alternatively be used, such as beer, malt liquor, spirits and/or even non-alcoholic beverages, such as milk beverages and/or fruit beverages. In addition, the container can be embodied as any, in particular colored and/or non-colored bottle, can, jug, jar, and/or barrel, etc.
In the present case, the present invention provides a non-destructive method for analyzing beverage 10a without the need to open container 12a. Here, in particular the quality of the beverage 10a is determined, such as aging, acetification, maturity, fermentation, year of manufacture, alcohol concentration, acidity, spoilage and/or shelf life of the beverage 10a. For this purpose, a quality detection device 20a is used.
FIG. 2 illustrates an example quality detection device 20a for determining the quality of a beverage 10a located in a closed container 12a. The quality detection means 20a are configured to determine the quality of the beverage 10a by means of at least one quality parameter of the beverage 10a. The quality parameter may be any parameter representative and/or characteristic of the quality of the beverage 10a, such as the percentage of ethanol and/or acetic acid present in the beverage 10a. However, it is also contemplated to use other quality parameters, such as the ratio of free sulfite to bound sulfite present in the beverage, the ratio of free sulfite to total sulfite, the percentage of sulfide, methanol, phosphate and/or specific minerals present in the beverage, and the like.
In the present case, the quality detection means 20a are configured to monitor the variation over time of the quality parameter during a monitoring period of, for example, several years, to determine the quality 10a of the beverage. Here, the quality detection means 20a is configured to determine the quality of the beverage 10a based on a change in the quality parameter over time. Furthermore, the quality detection means 20a is configured to determine at least one value of a quality parameter periodically, for example once per week, in order to monitor the quality of the beverage 10a.
In the present case, the quality detection device 20a is implemented as a portable device. The quality detection device 20a includes a housing 32a. The housing 32a forms the outer shell of the quality detection device 20a. The housing 32a is configured to house at least a majority of the components of the quality detection device 20a.
Further, the quality detection device 20a includes a measurement unit 34a. The measurement unit 34a is located in the housing 32a. In at least one operating state, the measuring unit 34a is located on a side of the housing 32a facing the container 12a and/or the beverage 10a. The measurement unit 34a is configured for generating at least one measurement signal 14a associated with the quality parameter, and in particular with a value of the quality parameter.
For this purpose, the measuring unit 34a comprises at least one emitter element 36a and at least one detection element 38a corresponding to the emitter element 36 a.
The emitter element 36a is embodied as a light source. The emitter element 36a is configured for emitting electromagnetic radiation, in the present case in particular light of one specific wavelength and/or several specific wavelengths. In the present case, the emitter element 36a is configured for emitting light with a wavelength in the range between 800nm and 1100 nm. The emitter element 36a is configured for illuminating the beverage 10a in at least one operating state, in particular such that the emitted electromagnetic radiation interacts with the beverage 10a.
The detection element 38a is implemented as a photodetector. The detection element 38a is implemented as a photodiode. The sensing element 38a is operatively connected to the emitter element 36 a. The detection element 38a is configured for detecting the measurement signal 14a. In the present case, the detection element 38a is configured for detecting the electromagnetic radiation emitted by the emitter element 36 a. Here, the detection element 38a is configured for detecting a shift in wavelength and/or an intensity change of the electromagnetic radiation caused by the beverage 10a, for example by reflection processes, transmission processes, and/or scattering processes, in particular raman scattering processes. Especially if different wavelengths of electromagnetic radiation are detected, care will be taken to distinguish between different wavelengths of electromagnetic radiation by: the wavelength of the electromagnetic radiation reaching the detection elements 38a is limited to a desired wavelength range, for example the same wavelength as the emitter elements 36a corresponding to the desired detection wavelength, and/or shifted by a desired amount of red or blue wavelength, for example by having several emitter elements 36a with different geometries and/or by having collinear electromagnetic radiation pulsed at different frequencies, and/or by using a spectrometer, and/or by using a filter or a series of filters. Alternatively, the measurement unit may also comprise a plurality of emitter elements and/or detection elements, for example for emitting and/or detecting electromagnetic radiation of different wavelengths. Furthermore, it is conceivable that the emitter element is configured for emitting light with a wavelength in the range between 400nm and 3000 nm. Additionally, the emitter elements may be implemented as acoustic elements, acoustic wave elements, and/or laser elements, among others. Furthermore, the detection element can be implemented as a camera, in particular as a CCD sensor, and/or a photocell or the like.
In addition, the quality detection device 20a includes a determination unit 22a. The determination unit 22a is located in the housing 32a. The determination unit 22a includes a processor unit, a memory unit, and an operation program stored in the memory unit and executed by the processor unit.
The determination unit 22a is configured for determining at least one value of a quality parameter of the beverage 10a. The value of the quality parameter corresponds here to a characteristic value calculated from the measurement signal 14a, in particular the instantaneous relative amplitude of the detected electromagnetic radiation, for example by using chemometric analysis. In the present case, the determination unit 22a is configured for determining at least two values, in particular at least one first value and at least one second value, preferably a plurality of values, of the quality parameter of the beverage 10a. Furthermore, the determination unit 22a is configured for storing the value of the quality parameter in a data storage unit 16a of the quality detection device 20a, which data storage unit 16a is in the present case in particular integrated in the determination unit 22a.
The determination unit 22a is configured for determining the quality of the beverage 10a based on a value of the quality parameter, in particular a difference between two consecutive values of the quality parameter. In the present case, the determination unit 22a is configured to determine at least one value of the quality parameter periodically, for example once per week, in order to monitor the variation over time of the quality parameter and thus the quality of the beverage 10a.
For example, if an ethanol related peak, e.g. NIR or raman peak, in the measurement signal 14a decreases from one measurement to the next and then to the next measurement, an acetic acid related peak, e.g. NIR or raman peak, in the measurement signal 14a increases over the same period, which means that the onset of the acetification is due to the beverage 10a reaching the end of its shelf life, indicating an undesired degradation, i.e. in particular due to the conversion of wine to vinegar, the beverage 10a has aged further.
In another example of using the quality parameter to determine timely consumption of the beverage 10a (e.g., wine), a decrease in the rate of change of the ratio of free sulfite to bound sulfite is accompanied by a decrease in the rate of change of bound sulfite to total sulfite, which indicates that an equal ratio of bound sulfite to total sulfite indicates depletion of free sulfite in the container 12a, and thus impending wine degradation due to depletion of the antimicrobial sulfite agent in the container 12a.
Thus, by merely determining the change, in particular the relative change, in the quality parameter, the present invention provides a non-destructive method for analyzing the beverage 10a that is independent of the physical properties of the container 12a, such as its color, geometry and/or thickness, and/or other differences that exist between containers 12a due to production variations. Alternatively, the determination unit may determine only two or three values of the quality parameter. Furthermore, the data storage unit, which may be implemented as, for example, cloud data storage, may be implemented separately from the quality detection device.
Furthermore, the first, starting value of the quality parameter of the beverage 10a may be determined immediately after a filling process, in particular immediately after a filling process in which the beverage 10a is already located in the receptacle 12a, immediately after a purchase process of the beverage 10a, at a moment when the beverage 10a reaches a specific maturity and/or at a moment of any other event associated with the purchase, production and/or quality of the beverage 10a. Furthermore, the value of the quality parameter of the beverage 10a, which value is determined in cooperation with the manufacturer and/or producer of the beverage 10a, may also be used as a fingerprint for the beverage 10a and may for example be used for counterfeit detection.
In addition, the quality detection device 20a includes an identification unit 24a. The identification unit 24a is located in the housing 32a. The identification unit 24a is implemented as a scanner unit, for example for detecting a QR code located on the container 12a. The identification unit 24a is configured for assigning a determined quality of the beverage 10a to the respective container 12a, so that a user may in particular monitor a plurality of different containers and/or beverages with the quality detection device 20a, and/or for associating a determination process with the container 12a (if the determination process is interrupted intermittently, for example by momentarily moving the container 12a and/or displacing the container 12 a). Alternatively, however, it is also conceivable to avoid the use of an identification unit. Furthermore, the recognition unit may be implemented as an input unit for manually inputting information, for example.
Further, the quality detection device 20a includes a notification unit 40a. The notification unit 40a is located in the housing 32a. Notification unit 40a is configured to generate at least one notification 18a associated with the quality of beverage 10a. The notification 18a may indicate information regarding the maturity, degree of fermentation, year of manufacture, alcohol concentration, shelf life, and/or drinking age of the beverage 10a. In the present case, the notification unit 40a is implemented as a transmission unit. Here, notification unit 40a is configured to send notification 18a to an external electronic device 42a, such as a smartphone. In this way, the user will for example be able to identify which beverage 10a in his collection has reached the end of its shelf life and should be drunk next. With sufficient data processing effort, a preferred drinking window may be determined for beverage 10a even before degradation of beverage 10a, e.g., associated with the acetification process, begins. Alternatively, however, it is also conceivable to avoid the use of a notification unit. Further, the notification unit may comprise an integrated display unit for displaying the notification.
Furthermore, the quality detection device 20a comprises an energy harvesting unit 26a for energy supply. The energy harvesting unit 26a is located in the housing 32a. In the present case, the energy harvesting unit 26a is implemented as a wireless charging antenna. The energy harvesting unit 26a is configured to obtain and store energy from an external source. The energy harvesting unit 26a is configured to supply at least one component of the quality detection device 20a. In the present case, the energy collection unit 26a is at least configured to supply the determination unit 22a, the measurement unit 34a, the data storage unit 16a, the notification unit 40a and the identification unit 24a, so that a particularly self-contained quality detection device 20a can be realized. Additionally or alternatively, however, it is also conceivable to use batteries and/or power supply connections for energy supply. In this case, it is also conceivable to avoid the use of an energy-harvesting unit. Furthermore, the energy harvesting unit may be implemented as a thermoelectric generator, a photovoltaic element and/or a piezoelectric crystal, or as a combination of these kinds of energy harvesting units.
An exemplary method for determining the quality of a beverage 10a, in particular by using a quality detection device 20a, is shown in fig. 3 and comprises at least the following steps:
in a first step 100a, at least one first value of a quality parameter of the beverage 10a is determined. Here, the first value of the quality parameter and/or preferably the first set of values of the quality parameter corresponds to a characteristic value and/or a set of characteristic values calculated from a measurement signal 14a, which measurement signal 14a is obtained by using electromagnetic radiation and by detecting a shift and/or an intensity change of the electromagnetic radiation caused by the beverage 10a. In the present case, the electromagnetic radiation used is Near Infrared (NIR) light in the range between 800nm and 1100 nm. Thereafter, the first value of the quality parameter and/or the first set of values of the quality parameter are stored in the data storage unit 16 a.
In a second step 110a, at least one second value of a quality parameter and/or preferably a second set of values of a quality parameter of the beverage 10a is determined. In the present case, the second step 110 is performed after a specific time interval, for example after one day, one week and/or one month, after the first step 100 a. Here, the second value and/or the second set of values of the quality parameter correspond to a characteristic value and/or a set of characteristic values calculated from a further measurement signal 14a, which further measurement signal 14a is obtained by using electromagnetic radiation and by detecting a shift and/or an intensity change of the electromagnetic radiation caused by the beverage 10a. In the present case, the electromagnetic radiation used is Near Infrared (NIR) light in the range between 800nm and 1100 nm. Thereafter, the second value of the quality parameter and/or the second set of values of the quality parameter are stored in the data storage unit 16 a.
In a third step 120a, the difference between the first value of the quality parameter and the second value of the quality parameter is calculated, in particular in the form of a subtraction, or a proportion or other suitable complex function.
In a fourth step 130a, the difference between the first value of the quality parameter and the second value of the quality parameter is compared to a threshold difference in order to determine the quality of the beverage 10a, in particular to determine the start of a deterioration of the beverage 10a. In this context, for example, the onset of acetification indicates an undesirable deterioration, i.e., that the beverage 10a has aged further.
If the difference between the first value of the quality parameter and the second value of the quality parameter exceeds the threshold difference, a fifth step 140a is initiated. In a fifth step 140a, a notification 18a is generated and displayed by the electronic device 42a.
If the difference between the first value of the quality parameter and the second value of the quality parameter is within the threshold difference, the second step 110a is repeated to determine a further second value of the quality parameter of the beverage 10a. In this way, the value of the quality parameter of the beverage 10a is determined periodically in order to monitor the quality of the beverage 10a.
Alternatively, it is conceivable to change the order of the steps 100a-140a and/or to skip at least one of the steps 100a to 140a.
Fig. 4 to 7 show further exemplary embodiments of the present invention. The following description is basically limited to the differences between the exemplary embodiments, wherein reference may be made to the description of the further exemplary embodiments, in particular of the exemplary embodiments of fig. 1 to 3, with regard to maintaining the same structural elements, features and functions. To distinguish the exemplary embodiments, the letter a of the reference numerals in the exemplary embodiments of fig. 1 to 3 has been replaced by the letters b to d of the reference numerals of the exemplary embodiments of fig. 4 to 7. With regard to structural elements having the same designation, in particular with regard to structural elements having the same reference numerals, reference is primarily made to the drawings and/or the description of further exemplary embodiments, in particular of the exemplary embodiments of fig. 1 to 3.
Fig. 4 shows a further exemplary embodiment of the present invention. In the exemplary embodiment of fig. 4, the letter a has been replaced by the letter b.
Fig. 4 shows a container 12b, in particular a bottle, containing a beverage 10 b. Further, the container 12b includes a quality detection device 20b. In the present case, the quality detection means 20b are incorporated in the material, preferably glass material, of the container 12 b. Here, the determination unit, the measurement unit, the data storage unit, the notification unit, the identification unit, and the energy collection unit are miniaturized to match the material of the container 12 b. Alternatively, it is also conceivable in this case to avoid the use of a data storage unit, a notification unit, an identification unit and/or an energy collection unit.
Fig. 5 and 6 show a further exemplary embodiment of the invention. In the exemplary embodiment of fig. 5 and 6, the letter c is placed at the rear position of the reference numeral.
In this case, a label 28c, in particular a bottle label, configured to be arranged over the closed container 12c containing the beverage 10c, comprises the quality detection device 20c. Here, label 28c may be applied over container 12c by the manufacturer and/or producer of beverage 10c, by the customer, and/or by the user. Further, the quality detection device 20c is incorporated into the material of the label 28c by using a printed organic light emitting material. However, it is also conceivable to use other methods to incorporate the quality detection means into the label.
Further, the determination unit, the measurement unit, the data storage unit, the notification unit, the identification unit, and the energy collection unit are miniaturized to match the material of the tag 28 c. Alternatively, it is also conceivable to avoid the use of a data storage unit, a notification unit, an identification unit and/or an energy collection unit in this case.
Fig. 7 shows a further exemplary embodiment of the present invention. In the exemplary embodiment of fig. 7, the letter d is placed at the rear position of the reference numeral.
Fig. 7 shows a household appliance 30d, in particular a bottle rack, for receiving a plurality of containers 12d, each of said containers 12d containing a beverage. Further, the household appliance 30d comprises at least one quality detection device 20d. In the present case, the quality detection device 20d is incorporated in the material of the household appliance 30 d. Alternatively, it is also conceivable to use a plurality of quality detection devices incorporated in the material of the domestic appliance. Furthermore, it is also conceivable to incorporate the quality detection device in other household appliances, such as refrigerators, and/or to use the quality detection device in cellars and the like.
List of reference numerals
10. Beverage and its preparing process
12. Container
14. Measuring signal
16. Data storage unit
18. Notification
20. Quality detection device
22. Determining unit
24. Identification unit
26. Energy harvesting unit
28. Label (R)
30. Household appliance
32. Shell body
34. Measuring unit
36. Emitter element
38. Detection element
40. Notification unit
42. Electronic device
100. Step (ii) of
110. Step (ii) of
120. Step (ii) of
130. Step (ii) of
140. Step (ii) of
Claims (15)
1. A method for determining the quality of at least one beverage (10 a-c) located in a closed container (12 a-d), wherein in a first step at least one first value of at least one quality parameter of the beverage (10 a-c) is determined, in a second step at least one second value of the quality parameter of the beverage (10 a-c) is determined, in a third step the quality of the beverage (10 a-c) is determined based on the difference between the values of the quality parameter,
wherein the method is performed by a quality detection device comprised in a label arranged above the closed container (12 a-d).
2. Method according to claim 1, wherein each of said values of said quality parameter is associated with a measurement signal (14 a), said measurement signal (14 a) being obtained by using electromagnetic radiation and by detecting a shift and/or a change in intensity of electromagnetic radiation caused by said beverage (10 a-c).
3. Method according to claim 1 or 2, wherein at least said first value of said quality parameter of said beverage (10 a-c) is stored in a data storage unit (16 a).
4. Method according to claim 1 or 2, wherein the value of the quality parameter of the beverage (10 a-c) is determined periodically in order to monitor the quality of the beverage (10 a-c).
5. Method according to claim 1 or 2, wherein in at least one operating state a notification (18 a) associated with the quality of the beverage (10 a-c) is generated.
6. The method according to claim 1, wherein the at least one beverage (10 a-c) is a fermented beverage.
7. The method according to claim 1 or 6, wherein the at least one beverage (10 a-c) is an alcoholic beverage.
8. A quality detection device (20 a-d) for determining the quality of at least one beverage (10 a-c) located in a closed container (12 a-d), wherein the quality detection device (20 a-d) is adapted to perform the method according to any of the preceding claims, the quality detection device (20 a-d) comprising a determination unit (22 a), the determination unit (22 a) being configured for determining at least one value of at least one quality parameter of the beverage (10 a-c) and for determining the quality of the beverage (10 a-c) based on a difference between the value of the quality parameter and at least one further value of the quality parameter,
wherein the quality detection means (20 a-d) are comprised in a label arranged on top of the closed container (12 a-d).
9. A quality detection apparatus (20 a-d) according to claim 8, comprising at least one identification unit (24 a) for assigning a determined quality of the beverage (10 a-c) to a specific container (12 a-d).
10. A quality detection device (20 a-d) according to claim 8 or 9, comprising at least one energy harvesting unit (26 a) for energy supply.
11. A quality detection device (20 a-d) according to claim 8, wherein the at least one beverage (10 a-c) is a fermented beverage.
12. A quality detection device (20 a-d) according to claim 8 or 11, wherein the at least one beverage (10 a-c) is an alcoholic beverage.
13. An assembly of a container (12 b) and a label comprising at least one quality detection device (20 b) according to any one of claims 8 to 12 and arranged on the container (12 b).
14. The container (12 b) and label assembly of claim 13, wherein the container (12 b) is a bottle.
15. A label (28 c), the label (28 c) comprising at least one quality detection device (20 c) according to any one of claims 8 to 12,
wherein the label (28 c) is configured to be disposed over the closed container (12 c).
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