EP3676583A1

EP3676583A1 - Handheld scanner for improved laundry detection, system comprising such a handheld scanner and method for its operation

Info

Publication number: EP3676583A1
Application number: EP18759312.4A
Authority: EP
Inventors: Philipp Neumaier; Kathrin Redlin
Original assignee: BSH Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2017-09-01
Filing date: 2018-08-24
Publication date: 2020-07-08
Also published as: CN111051830A; WO2019042879A1; DE102017215370A1

Abstract

The invention relates to a handheld scanner (1), comprising an IR spectrometer (3) having a radiation source (4) and a radiation detector (5), a control unit (6) and an interface (11) for wireless data communication, the handheld scanner (1) comprising an RGB sensor (2). The invention further relates to a system (14) having such a handheld scanner (1) and to a method for operating the system (14).

Description

Hand-held scanner for improved laundry detection, system with such a hand-held scanner and method for its operation

The invention relates to a hand-held scanner for improved laundry detection, comprising an IR spectrometer, comprising a radiation source and a radiation detector, a control unit and an interface for wireless data communication. The invention further relates to a system with such a hand-held device and a method for operating such a system.

Laundry items are dependent on the material of which they are made, more or less mechanically strong and may only be heated up to a certain temperature. This must be taken into account for washing programs and drying programs. There are also restrictions because many items of laundry can not be treated with certain chemicals. It is also known that laundry items should be treated differently depending on the degree or nature of their contamination. In general, laundry items should be treated as gently as possible, but their contamination should be removed as completely as possible. Also important is the energy required for laundry treatment, which should be as small as possible. Finally, the length of time that should be as short as possible to treat the laundry is important.

The known laundry treatment appliances therefore include, for example, depending on their design, a plurality of washing programs and other laundry treatment programs, such as drying programs, under which a user of the laundry treatment appliance can choose the program that is most suitable for his own assessment of the laundry to be treated. For this purpose, however, the user needs as much information as possible and, in addition to this knowledge, also a lot of experience in order to be able to decide what kind of material is involved in the laundry items to be treated and what kind of soiling of the laundry items is concerned. This is particularly difficult if the laundry no longer has a label. It is then often not possible to identify the type of material of the item of laundry and to determine the permissible treatment method. An alternative may be, for example, RFID chips. These make it possible to transmit information about a single item of laundry over distances and without direct eye contact. Disadvantage of these chips, however, is that they must be attached to each individual piece of laundry. This is partly associated with high costs. In addition, the placement of individual laundry items with RFID chips can cause an unpleasant feeling of "surveillance" or "control".

It is therefore desirable to improve the treatment of household laundry by minimizing any negative impact of the treatment on the laundry and on the duration and energy consumption of the treatment program being performed.

Domestic appliances and methods for improving the laundry treatment are already known.

The publication WO 2001/046509 A1 describes a device for treating textiles with a device for detecting properties of a textile, wherein the device comprises at least one transmitting and at least one receiving element for transmitting or receiving electromagnetic radiation as well as an evaluation circuit connected to the receiving element and wherein the radiation emitted by the transmitting element and reflected and / or transmitted by the textile is receivable by the receiving element and can be evaluated in the evaluation circuit.

The publication DE 10 2015 100 395 A1 describes a spectrometer, in particular for installation in a sensor module with a radiation source and following, a beam path defining or along the beam path arranged components: a sample space for a fluid to be examined, a first lens, a diffraction element , a second lens, and a detector. Between the sample space and the diffraction element, a restriction aperture is provided for limiting the effective diameter of the beam impinging on the diffraction element. The publication EP 1242665 B1 describes a device for the treatment of textiles with an evaluation circuit for detecting the type of textile and / or the moisture of a piece of laundry. The device uses transmitting and receiving elements for transmitting or receiving electromagnetic radiation as well as an evaluation circuit connected to the receiving element. Described is also a method for detecting properties of a piece of textile, for example in a washing machine or a tumble dryer.

The publication DE 10 2013 104 976 A1 describes a system comprising a household appliance, a mobile communication device and at least one RFID transponder spatially assigned to the household appliance. An identifier of an RFID transponder located in a detection area of the communication device can be read out by means of the communication device, and an action projected in a memory of the communication device can be called up by means of a respectively read identifier.

For better design of laundry treatment programs, it is also known to analyze laundry items before placing them in a laundry treatment appliance. Thus, the publication DE 10 2013 210 996 A1 describes an analysis device for analyzing items of laundry outside a laundry treatment appliance, comprising at least one camera and an evaluation device for determining at least one laundry care property of at least one item of laundry based on at least one image taken by the camera thereof. In one embodiment, the at least one laundering-relevant property of the garment is one of a group of properties comprising at least a maximum treatment temperature, a machine drying capability, a degree of dryness, a chemical cleaning suitability, a color, a texture, a type of fabric, a degree of soiling, and the like Type of garment selectable. In addition, this analysis device is preferably configured to propose at least one laundry treatment program and / or for at least one identified laundry care-relevant property of one or more items of laundry to display at least one laundry care product. In this case, the analysis device can be set up to allow an operator-side selection of the at least one wash treatment program and to transmit the result of the selection to the laundry treatment appliance. The publication DE 10 2015 201 948 A1 describes a household appliance for treating objects, comprising a control device and an operating device, comprising a data processing unit, a data storage unit in which a program library with treatment programs for the objects is stored, a data communication unit and an operating means, wherein the Data communication unit provides a data connection between the operating means, the data processing unit, the data storage unit and the control device of the household appliance, wherein the operating device is designed to allow a user to enter data for a plurality of objects to be treated, in the data processing unit an assignment routine is deposited, which Compare program library with the data input and at least one optimized treatment option B _opt for the simultaneous treatment of a variety of to b can determine ehandelnden objects and the operating means allows the user to accept an optimized treatment option or change within predetermined limits, after which the optionally modified optimized treatment option B _{opt is} transmitted to the control device of the household appliance for performing the treatment program.

The publication DE 10 2014 1 12 375 A1 describes a device for driving a domestic appliance, the device having the following features: an interface for reading image information from a sensor matrix of a display unit of the household appliance, wherein the sensor matrix comprises photosensors which form part of pixels of the Display unit are; and an evaluation device for providing a control signal for driving the household appliance using the image information.

The publication DE 10 2014 102 531 A1 describes a method for operating a household appliance, wherein by means of a camera comprising a mobile phone, the image coded information is received and the coded information or user data included in the coded information is transmitted to the household appliance. The household appliance extracts from the coded information the user data included therein and takes over this or the directly received user data into an internal memory, wherein the household appliance interprets the user data as an automatic program and processes it as an automatic program.

The publication WO 2015/055239 A1 describes a washing machine with speech recognition and responsiveness and a method of operation thereof, wherein a user for each piece of laundry information on typology (bedding, shirts, underwear, etc.) and a description of its characteristics, in particular the nature of the material , the degree of pollution and the color and their intensity. This data is stored and, based on this information, a data management system determines the most suitable washing program among the possible washing programs.

Publication WO 00/32865 A1 (EP 1 135553 A1) describes a laundry treatment machine having an electronic control device for automatically carrying out laundry treatment programs, wherein a decision-making means is provided for mechanically identifying the type of laundry items and for automatically deciding on which laundry treatment program the laundry items identified are treatable, and information output means are provided, by means of which the laundry treatment program of a person determined by the decision-making means can be presented as a suggestion, and person-actuatable input means are provided for confirming the machine-determined laundry treatment program. To identify the items of laundry, they may be successively presented manually to a measuring head or sensor of the decision making means, the measuring head being a hand-held device and the decision-making means preferably comprising a spectrometer for identifying the type of items of laundry.

Against this background, it was an object of the present invention to provide a hand-held scanner (sometimes also simply referred to as a "hand-held device") and a system with such a hand-held scanner, which allows the user of a household appliance, To treat laundry items more gently, more energy-efficient and in an optimal time span, without a user having much information about the type of laundry items. Preferably, a user is to be proposed in terms of fiber material, fiber content and color of the laundry pieces most suitable treatment program of the laundry and carried out in the household appliance. In addition, it would be desirable if wirelessly networked devices could be used so that a particularly efficient and convenient use of networked devices in a household can be made. In addition, a method for operating the system should be provided. The solution of this object is achieved according to this invention by a hand-held scanner and a system comprising this hand-held scanner, as well as a method suitable for operating the system with the features of the corresponding independent patent claims. Preferred embodiments of the hand scanner according to the invention and of the system according to the invention and of the method according to the invention are listed in the respective dependent claims. Preferred embodiments of the hand scanner according to the invention correspond to preferred embodiments of the system according to the invention and of the method according to the invention and vice versa, even if this is not explicitly stated herein. The invention thus relates to a hand-held scanner, comprising an IR spectrometer, preferably an N IR spectrometer, comprising a radiation source and a radiation detector, a control unit and an interface for wireless data communication, wherein the hand-held scanner has an RGB sensor. According to the embodiment of the hand scanner is not limited. The hand-held scanner can be of any shape and structure, with the components arranged in any manner. In any case, the handheld scanner can be used by a user with one or both hands. The nature of the at least one radiation detector is not restricted according to the invention. Any radiation detector can be used which enables detection in the IR and especially in the NIR range. In general, a structure of the at least one IR spectrometer is used in reflection. An NIR spectrometer generally operates in a wavelength range of 800 to 2500 nm.

An RGB sensor is generally a signaling optical device for the selective detection and evaluation of the visible spectral range, generally broadband light sources (usually high-power white light LEDs are used). An RGB sensor usually operates according to the tristimulus method, in which a color metric is determined using suitable color filters in three channels with broadband and separately for the colors red, green and blue. In a preferred embodiment, the hand-held scanner has an optical and / or acoustic display device for evaluated data from the IR spectrometer and / or RGB sensor.

Preferably, the hand-held scanner includes an input unit for inputs of a user. These are in particular inputs of additional information about items of laundry, for example, their shape or other design; whether it is, for example, short-sleeved or long-sleeved shirts, blouses, etc. In particular, the input of additional information may also be a selection among predetermined decision options, eg, among probable apparel type clusters displayed as second information (also referred to herein as cloth-type clusters). However, embodiments of the invention may be selected for processing by inputs from a user to the hand-held scanner, which may then be generically referred to as a "hand-held device." Thus, the hand-held scanner may in principle also be used to control a laundry treatment appliance According to the invention, the input unit can not be limited in function, for example, by touch, speech or by entering text The control unit and the optical and / or acoustic display device can also be present as a unit in the hand-held scanner, eg in the form of a touchscreen. In a very particularly preferred embodiment of the hand-held scanner, the control unit is set up for communication with an external server (also referred to as "cloud") via the interface for wireless data communication, in which communication first data of the IR spectrometer and / or the RGB sensor , Preferably first data of the IR spectrometer and the RGB sensor to be transferred to the external server measured by hand scanner laundry, these first data in the external server with regard to the fiber material and the fiber content and / or the visual color evaluated as a second data and the second data is transmitted to the hand-held scanner and / or a laundry treatment device.

In this case, it is preferred that the second data be transmitted to the hand-held scanner, where they are displayed on an optical and / or acoustic display device, preferably in the form of choices, and a user make additional inputs to the measured laundry items based on the second data can. In general, due to these user inputs, a more suitable laundry treatment program is suggested or selected. In this case, the laundry treatment program can be deposited as such already in the control unit of the hand-held scanner or the control unit of the household appliance. However, according to the invention, it is also possible for a user to modify a treatment program to be carried out in the laundry treatment device, for example a drum speed or a treatment temperature, for example via further inputs on the hand-held scanner.

Advantageously, the first data are assigned to the textile server classes as second data on the basis of the fiber materials and fiber components detected in the external server in the external server. These textile piece classes can be designed differently, depending on whether the type of textile alone (eg synthetic polymers, so-called poly-clusters, silk, so-called "silk clusters", chemical cellulose and the like, so-called "chem-cellulose + Elastane clusters ") or, in addition, also the proportions of fibers are taken into account, whereby it has proved to be advantageous to divide the fiber fractions into different range groups (eg 90-99% for one main constituent) and the different fiber fractions differently weight. As a result, so-called sensor signal codes (SSC) are then obtained, which are then preferably the basis for the output and display of the second data.

The invention also relates to a system for treating items of laundry, comprising a hand-held scanner, an external server and a laundry treatment device, wherein the hand-held scanner an IR spectrometer, preferably an N IR spectrometer, comprising a radiation source and a radiation detector, a control unit, an interface for wireless data communication with the external server and an RGB sensor. Preferably, in this case, hand-held scanners, external servers and laundry treatment apparatus are set up to carry out a method for operating the system, comprising the steps

(a) scanning at least one item of laundry with the handheld scanner, and capturing an IR spectrum and / or RGB sensor signals;

(b) transmitting the IR spectrum and / or the RGB sensor signals as first data to the external server;

(c) evaluating the IR spectrum and / or the RGB sensor signals with regard to the fiber material and the fiber portion and / or the visual color as second data; and

(d) transmission of the second data to the hand-held scanner and / or the laundry treatment appliance.

The invention also provides a method of operating a laundry treating system comprising a hand-held scanner, an external server and a laundry treating appliance, the hand-held scanner comprising an IR spectrometer, preferably an NIR spectrometer comprising a radiation source and a radiation detector Control unit, an interface for wireless data communication with the external server and an RGB sensor, comprising the steps

(b) transmitting the IR spectrum and / or the RGB sensor signals as first data to the external server; (c) evaluating the IR spectrum and / or the RGB sensor signals with regard to the fiber material and the fiber portion and / or the visual color as second data; and (d) transmitting the second data to the handheld scanner and / or the laundry treating appliance. In a preferred embodiment of the method, in step (d) the second data is transmitted to the hand-held scanner and displayed on an acoustic and / or optical display device of the hand-held scanner, and a user makes at least one additional input to the measured laundry items based on the second data , The display device is preferably designed as a touchscreen, which also allows inputs by a user.

Moreover, in the method according to the invention, it is preferred that the first data are first assigned to textile piece classes on the basis of the fiber materials and fiber portions detected in the external server in the external server. In this case, it is again advantageous for the first data to be assigned clusters of fiber portions and / or fiber quantities on the basis of the fiber materials and fiber portions determined in the external server and so-called from the textile piece classes and the clusters of fiber portions and / or fiber quantities Sensor signal codes are formed, which are contained as information fiber materials and fiber components.

In a preferred embodiment, the sensor signal codes are assigned clothing types and / or clothing type groups as the second data most likely to be related to the fiber materials and fiber portions, and these clothing types and / or clothing type groups are arranged on the display device accordingly with decreasing probability of their occurrence.

According to the invention, it is also preferred that the second data in the laundry treatment appliance are assigned laundry treatment programs as a function of their input of mechanical energy into laundry items. In this case, it is again advantageous for the types of clothing and / or clothing types groups, if appropriate as a function of detected visual colors, to be used as second data in each case one or several laundry treatment programs are assigned. It is advantageous if the detected visual colors are classified in color categories.

Moreover, it is inventively preferred that the second data in the laundry treatment appliance depending on clothing types and / or clothing groups assigned one or more laundry treatment programs in which the temperature and / or the speed of a laundry drum lowered compared to an otherwise similar program reduced by a certain amount or is limited to a lower maximum value. That is, for certain types of clothing and / or clothing types, speed and / or | Temperature to be adjusted e.g. to take into account the most delicate garments in the load.

Thus, if the user has made an additional input to the measured laundry by, for example, selecting a garment or garment group, then this selection may allow multiple laundry treatment programs, e.g. Be assigned washing or drying programs. However, due to the detected color or color category and allowable entry of mechanical energy for the selected items of laundry, the number of possible treatment programs in the system can be severely limited so that an optimal treatment program can be suggested to a user or automatically performed.

The laundry treating appliance is generally selected from the group consisting of a washing machine, a washer-dryer and a dryer.

The invention has numerous advantages. The invention enables an identification and communication possibility between a user, the laundry treating appliance and the laundry items to be treated, assisting the user in his decision regarding a good laundry treatment by the laundry treating appliance, even if the laundry items have different textile materials, types of clothes and colors. With the present invention, it is also possible, for example, a cost-effective way to monitor the properties of, for example, compared to RFID chips Provide laundry items in relation to their treatment. The inventively possible optimized laundry treatment can be negative effects of a laundry treatment program such as bleeding of paint, damage and wear of laundry prevented or at least significantly reduced. With the present invention, in particular, no retrofitting in the form of, for example, codes and / or labels and / or chips, tags or Labein the laundry is necessary.

The invention allows for a user of a household appliance a simple and clear presentation of a use case ("program recommendation") and in embodiments of the invention an online query of recommendations and a simple and convenient connection and control of a laundry treatment appliance. All this can be done according to the invention with minimal user interaction. Further details of the invention will become apparent from the following description of non-limiting embodiments. Here, reference is made to FIGS. 1 to 3.

Fig. 1 shows an embodiment of a hand scanner according to the invention.

Fig. 2 shows an embodiment of a system according to the invention, comprising a hand-held scanner, an external server and a laundry treatment appliance.

Fig. 3 shows an overview of clusters of garments as they could be displayed on the display device of the hand-held scanner to a user of the household appliance for a selection decision.

FIG. 1 shows a non-limiting embodiment of a hand-held scanner 1 according to the invention. The embodiment of the hand-held scanner 1 with a spherical housing can be seen here by way of example and is merely illustrative. According to the invention, the outer configuration of the hand-held scanner is not restricted. The hand scanner 1 has an RGB sensor 2, by means of which the visual color or color information 7 of a piece of laundry 10 can be detected. Here is the visual color with the values r = red, g = green, b = blue and c = clear (reference) measured, which is transmitted by the control unit 6 and an interface 1 1 for wireless data communication to an external server (cloud) not shown here , The hand-held scanner 1 also has an IR spectrometer 3, here an NIR spectrometer, which comprises a radiation source 4 and a radiation detector 5. By means of the IR spectrometer 3, the fiber material and the fiber content in the laundry 10 can be determined by the laundry 10 is acted upon by radiation 8 from the radiation source 4 and the radiation detector 5 detects the reflected radiation 9 as a measurement signal. The data determined by the RGB sensor 2 and the IR spectrometer 3, so-called first data, are transmitted to the external server, not shown, which together with the hand-held scanner 1 and a laundry treatment device, also not shown here, forms a system for the treatment of laundry items. in which a method comprising the steps

(a) scanning at least one item of laundry 10 with the hand-held scanner 1, and

Recording an IR spectrum and / or RGB sensor signals;

(D) transmission of the second data to the hand-held scanner 1 and / or the laundry treatment appliance

is carried out.

The hand-held scanner 1 has an operating unit 12. By way of the operating unit 12, for example via an input mask, at least one piece of information can be entered by a user with respect to the laundry item 10. For this purpose, the user is shown on an acoustic and optical display device 13 so-called second data. In the embodiment shown here, this is an indication of clothing types and / or clothing type groups, which are the most likely in terms of fiber materials and fiber components based on the evaluation in the external server. An example of this is shown in FIG. These types of clothing and / or clothing types are arranged on the display device 13 with a likelihood of their occurrence. As an input on the operating unit 12, a user may select one of these types of clothing and / or clothing types select, preferably by touching a designed as a touch screen operating device, which combines the functions of control unit 12 and display device 13.

The data transmitted to the external server in step (b), i. In fact, the IR spectrum and RGB sensor signals are evaluated there and transmitted in step (d) as second data to the hand-held scanner 1 and displayed on the acoustic and optical display device of the hand-held scanner 1, where a user based on the second data at least one additional input to the measured laundry 10 makes.

FIG. 2 shows a non-limiting embodiment of a system 14 according to the invention, comprising a hand-held scanner 1, an external server 28 and, as a non-restrictive example of a laundry treatment appliance, a washing machine 15. The hand-held scanner 1 has an operating unit 12. By way of the operating unit 12, for example via an input mask, at least one piece of information can be entered by a user with respect to the laundry item 10. For this purpose, the user is shown on an acoustic and optical display device 13 so-called second data. This information serves to supplement the already available by means of the hand-held scanner 1 information about the laundry items 10. This includes in particular information on the type of garment such as blouse, underwear, bedding, long or kurzärmliges shirt, etc. Otherwise, the reference numerals have the same meaning as for Fig 1. In the embodiment shown here, the hand-held scanner 1, the washing machine 15 and the external server 28 can wirelessly communicate with each other even if the interface for wireless communication is shown only for the hand-held scanner 1.

The washing machine 15 used here in the system 14 has a tub 16, in which a drum 17 for receiving laundry items 10 is rotatably mounted about an axis perpendicular to the plane of the figure. In the drum 17 Wäschemitnehmer 18 are arranged. The washing machine 15 also has an automated dosing unit 25 for treatment means, which is connected to an induction bowl 22 is connected. About the Einspülschale 22 can be supplied to the tub 16 of a fresh water line 23 water. For this purpose, there is a check valve 21 in the fresh water line 23, which is controlled by a control device 20 in accordance with a treatment program sequence. In this embodiment, the washing machine 15 also has an optical display unit 19, which is designed to display information in the form of text, image and / or animation in black and white and / or color. In principle, the information shown on the hand-held scanner 1 can also be displayed on the optical display unit 19. Likewise, an input by a user may also be made directly to the washing machine 15.

Fig. 3 shows an overview of clusters of garments as they could be displayed on the display device of the hand-held scanner to a user of a household appliance for a selection decision. The overview shows the actual cloth-type clusters (CTCs) and auxiliary category clusters (ACCs) as they result from the evaluation of the first data described herein. In this case, the probability of the correctness of the selected cluster or auxiliary cluster is not taken into account in this representation. However, in practice, for ease of operation by a user, the most probable cluster or subcategory clusters will be associated with the sensor signal codes described herein resulting from the evaluation of the first data. In this case, a user would be presented on the display device of the hand-held scanner sorting in accordance with a decreasing probability of its occurrence, so that it can more easily make a decision for his input. As can be seen in FIG. 3, several clusters are grouped together in the auxiliary category clusters. reference numeral

1 hand scanner

2 RGB sensor

3 IR spectrometer, in particular NIR spectrometer

4 radiation source

5 radiation detector

6 control unit (in the hand scanner)

7 color information

8 emitted radiation

9 Reflected radiation

10 pieces of laundry

1 1 Interface for wireless data communication in the handheld scanner

12 operating unit (for example touchscreen)

13 Optical and / or acoustic display device in the hand scanner 14 System for the treatment of laundry items

15 laundry treating appliance, e.g. Washing machine

16 tubs

17 treatment room (drum)

18 laundry pickup

19 control unit (in the washing machine)

20 Optical or acoustic display device of the washing machine

21 check valve

22 Einspülschale

23 fresh water pipe

24 drainage pipe

25 (automatic) dosing unit

26 drive motor

27 pump

28 External server (especially in a cloud)

29 lint separator

30 Lye container drain line

Claims

A hand-held scanner (1) comprising an IR spectrometer (3) comprising a radiation source (4) and a radiation detector (5), a control unit (6) and an interface (1 1) for wireless data communication, characterized in that the hand-held scanner RGB sensor (2).

Hand scanner (1) according to claim 1, characterized in that the hand-held scanner (1) has an optical and / or acoustic display device (13) for evaluated data from IR spectrometer (3) and / or RGB sensor (2).

Hand scanner (1) according to claim 1 or 2, characterized in that it contains an input unit (12) for inputs of a user.

Hand scanner (1) according to one of claims 1 to 3, characterized in that the control unit (6) is set up for communication with an external server (28) via the interface (1 1) for wireless data communication, in which communication first data of the IR spectrometer (3) and / or the RGB sensor (2) to be measured by the hand scanner (1) laundry items (10) to the external server (28) are transmitted, this first data in the external server (28) with respect to the fiber material and the fiber content and / or the visual color are evaluated as second data and the second data is transmitted to the hand-held scanner (1) and / or a laundry treatment appliance (15).

Hand scanner (1) according to claim 4, characterized in that the second data are transmitted to the hand-held scanner (1) where they are displayed on an optical and / or acoustic display device (13) and a user based on the second data additional inputs make the measured laundry (10).

Hand scanner (1) according to claim 4 or 5, characterized in that the first data based on the fiber detected in the external server (28) and Fiber shares in the external server (28) Textile piece classes are assigned as second data.

System (14) for treating items of laundry (10) comprising a hand-held scanner (1), an external server (28) and a laundry treatment appliance (15), the hand-held scanner (1) comprising an IR spectrometer (3) comprising a radiation source (3). 4) and a radiation detector (5), a control unit (6), an interface (1 1) for wireless data communication with the external server (28) and an RGB sensor (2).

A method of operating a laundry (10) system (14) comprising a hand-held scanner (1), an external server (28) and a laundry treating appliance (15), the hand-held scanner (1) comprising an IR spectrometer (3), comprising a radiation source (4) and a radiation detector (5), a control unit (6), an interface (1 1) for wireless data communication with the external server (28) and an RGB sensor (2) comprising the steps

(a) scanning at least one item of laundry (10) with the handheld scanner (1), and capturing an IR spectrum and / or RGB sensor signals;

(b) transmitting the IR spectrum and / or the RGB sensor signals as first data to the external server (28);

(D) transmission of the second data to the hand-held scanner (1) and / or the laundry treatment appliance (15).

A method according to claim 8, characterized in that in step (d) the second data is transmitted to the hand-held scanner (1) and displayed on an acoustic and / or visual display device (13) of the hand-held scanner (1), and a user based on the second data at least one additional input to the measured laundry items (10) makes.

10. The method according to claim 8 or 9, characterized in that the first data on the basis of the external server (28) detected fiber materials and fiber components in the external server (28) are first assigned textile piece classes.

1 1. A method according to claim 10, characterized in that the first data on the basis of the external server (28) detected fiber materials and fiber components in the external server (28) clusters of fiber shares and / or quantities of fibers are assigned and from the textile piece classes and the Clusters of fiber fractions and / or fiber quantities are formed as second data sensor signal codes in which are contained as information fiber materials and fiber fractions.

12. The method of claim 1 1, characterized in that the sensor signal codes clothing types and / or clothing type groups are assigned as second data, which are most likely with respect to the fiber materials and fiber fractions, and these types of clothing and / or clothing groups on the display device ( 13) are arranged accordingly with decreasing probability of their occurrence.

13. The method according to any one of claims 8 to 12, characterized in that the second data in the laundry treatment appliance (15) depending on their entry of mechanical energy in laundry items (10) are assigned laundry treatment programs.

14. The method according to any one of claims 8 to 13, characterized in that the second data in the laundry treatment appliance (15) in dependence on

Clothing types and / or clothing types groups are associated with one or more laundry treatment programs, in which the temperature and / or the speed of a laundry drum over an otherwise similar program is reduced by a certain amount or limited to an I lower maximum value is lowered.

15. The method according to claim 14, characterized in that types of clothing and / or clothing types groups, possibly depending on detected visual Colors, as the second data are each associated with one or more laundry treatment programs.

16. The method according to any one of claims 9 to 15, characterized in that in the laundry treatment appliance (15), a laundry treatment program is performed, which under the one by the additional input to the measured

Laundry items (10) is a selection of a user among the types of clothing and / or clothing type groups associated with one or more laundry treatment programs.