EP1242665A1 - Gerät zur behandlung von textilien mit einer auswerteschaltung zur erkennung der textilart und/oder der feuchte eines wäschestücks - Google Patents
Gerät zur behandlung von textilien mit einer auswerteschaltung zur erkennung der textilart und/oder der feuchte eines wäschestücksInfo
- Publication number
- EP1242665A1 EP1242665A1 EP00983225A EP00983225A EP1242665A1 EP 1242665 A1 EP1242665 A1 EP 1242665A1 EP 00983225 A EP00983225 A EP 00983225A EP 00983225 A EP00983225 A EP 00983225A EP 1242665 A1 EP1242665 A1 EP 1242665A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- textile
- receiving element
- textiles
- evaluation circuit
- radiation
- 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.)
- Granted
Links
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2101/02—Characteristics of laundry or load
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/06—Type or material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/08—Humidity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/64—Radiation, e.g. microwaves
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/02—Water supply
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/42—Detergent or additive supply
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/56—Remaining operation time; Remaining operational cycles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/58—Indications or alarms to the control system or to the user
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
Definitions
- the invention relates to a device for treating textiles with a device for recognizing properties of a textile, the device comprising at least one transmitting and one receiving element for transmitting or receiving electromagnetic radiation and an evaluation circuit connected to the receiving element, the Radiation transmitted by the transmitting element and reflected and / or transmitted by the textile can be received by the receiving element and evaluated in the evaluation circuit
- DE 37 06 056 A1 discloses a method for generating and recognizing optical spectra and a switching and sensor system, which are provided in particular for local and textile automation.
- a radiation device is used which has at least two, preferably three Semiconductor-
- Emitters comprise These emit optical radiation of different wavelengths, which extends from the ultraviolet range through the visible range into the infrared range, the radiation being modulated with a certain frequency.
- the radiation is directed onto a common surface or a single measuring point of a medium then the radiation reflected or transmitted through the medium is detected by a suitably adapted receiver and fed to a downstream electronic evaluation device.
- the known method is intended to use machines or robots in local and confectionery technology, the textile industry and general production technology in the Radiation spectral range from ultraviolet to infrared material and medium differences are recognized However, it is not disclosed in what way such a switching and receiving element equipped with a transmitting and a receiving element Have the sensor system installed It is the object of the invention to provide a device for treating textiles, in which information about how a textile is to be treated can be obtained
- the invention also relates to a method for recognizing properties of a textile in a device for treating textiles, in which at least one transmitting element irradiates the textile with electromagnetic radiation, in which at least one receiving element receives and / or transmits radiation reflected and / or transmitted by the textile an evaluation circuit evaluates this radiation
- electromagnetic radiation ie radiation in the UV, in the visible or in the IR range
- the textile is processed in some way, for example wetted, dried, spun, strengthened with a liquid medium , ironed, ironed, portioned, cut, starched, chemically cleaned or otherwise
- the treatment device is a washing treatment device, for example a washing machine, a tumble dryer, a washer-extractor, an iron, a lack of washing, a machine for dry cleaning or for dyeing textiles. If the term "laundry item” is used in the following, this is always the case to understand any kind of textile medium
- a transmitter element in the sense of the invention is any radiator which emits electromagnetic radiation, for example an incandescent lamp, a halogen lamp, a mercury vapor lamp, a light-emitting diode, a laser diode, a gas laser and the like.
- Transmitters which emit a narrow-band spectrum are particularly suitable. or transmitters which produce monochromatic light. Suitable are monochromatic or narrowband transmitters in connection with one or more receivers, whereby these can be broadband, provided that they only cover the bandwidth of the transmitter or radiation emitted by the transmitters.
- broadband radiators and assigned wavelength-selective receivers can be used.
- broadband transmitters and / or receivers can also be used if narrowband filters are assigned to either the transmitters or the receivers.
- a plurality of transmission elements is preferably also used, these generating either different spectra or monochromatic light of different wavelengths.
- the reception elements are correspondingly adapted to the transmission elements, which either detect a certain band within the transmission radiation emitted by the transmission element or the transmission elements, or exactly detect the wavelength which the transmission element or the transmission elements emit, provided that this or these are monochromatic light sources. Photodiodes or phototransistors are therefore particularly suitable as receiving elements.
- the light received must be selected according to wavelengths. This is done either by means of a filter, a prism or a diffraction grating.
- the light emitted by the transmitting element or elements is partly absorbed by the textiles, in particular the laundry items, but partly reflected or transmitted.
- the reflected light is primarily suitable for detection because the transmitted light makes up only a small fraction of the transmitted radiation and the proportion of the transmitted radiation decreases sharply with increasing thickness of the textiles.
- the properties of the textiles can be inferred from the spectra or wavelengths reflected by the textiles from a transmitted spectrum. This also applies to the transmission spectra.
- the spectra are either evaluated over a certain spectral range or only at certain frequencies or wave numbers.
- Properties of the textiles in the sense of the invention mean both permanent properties of the textiles, i. H. their chemical composition from different fibers, for example cotton, wool, silk, synthetic fibers, or their type of fabric as well as temporary properties that are characterized by the
- Wetting is particularly relevant here by water or an organic solvent, by lye or treatment by strong washing or other finishing agent
- the evaluation circuit obtains a signal from the received signals, which is either of immediate importance for the operator or for the further treatment of
- Textiles are relevant for example, a signal can be obtained to warn the operator of incorrect programming of the treatment device.
- the evaluation circuit obtains information about the type of textile, for example silk, from the electromagnetic radiation received, for example in the IR range , and gives an optical or acoustic signal if the operator sets a temperature at which silk has been damaged.Otherwise, the washing machine is automatically prevented from heating up to a temperature above the temperature permitted for silk and a program is carried out by the evaluation circuit which takes into account the properties of the textiles filled into the washing drum so that none of the textiles are damaged, discolored, etc.
- the detection of temporary properties of textiles is taken into account in order to provide a treatment in the washing machine or washer dryer that is adapted to the desired residual moisture. If the operator has set a certain residual moisture, during the spinning or of the drying process continuously or at certain time intervals, the respective moisture status is recorded on the basis of the electromagnetic radiation reflected and / or transmitted by the textiles, and a remaining running time of the spinning or drying program is calculated from this. If the residual moisture is reached, the spinning or drying is stopped
- the fill level or the loading of a washing treatment machine can also be detected. This already occurs, for example, when the machine is being filled, if each washing item has a sensor, preferably a plurality of
- Sensors are detected so that information about the area occupied by the textiles within the washing drum can be determined.
- the evaluation circuit or an existing control circuit calculates the cleaning value the amount of water required for the textiles, the amount of detergent, the type of mechanical treatment, the maximum permissible temperature, taking into account the type or types of textiles.
- the evaluation circuit differentiates between the duration of the washing treatment, e.g. washing, spinning, drying, cleaning
- information obtained from the textiles can be linked to other information already present in the washing treatment machine, for example about the cloudiness of the washing liquor, in order to determine the duration and / or the temperature of the washing process
- the washing circuit device has the evaluation circuit connected to the program selection control in such a way that, based on the detected laundry items, depending on the material or the moisture of the laundry items, a specific program is selected by the laundry treatment device. This means that if, for example, one of the laundry items is detected from silk, the maximum temperature of the program is selected by the program selection control so that the silk wash item is not shrunk or damaged by an excessively high temperature
- the device for recognizing the properties of a textile can also be used when the textile is not to be subjected to treatment, but only the material composition of the textile is to be recognized when the label in the textile, which the Material composition reproduces, no longer exists, that is, for example, torn off.
- the user learns what materials the textile is made of and can then decide which further treatment it should receive
- the point irradiated with infrared radiation is made recognizable to the user by simultaneous emission of visible radiation.
- the point irradiated by IR radiation is annular
- Visible lighting created on the textile surrounding the textile can also be identified by a red dot generated by an LED diode Transmitting and receiving elements can be used in different positions inside or outside of the treatment device.
- the receiving element or the receiving elements are advantageously arranged in the ceiling area of the full opening in a washer dryer.
- a transmitting element is also arranged there, in particular one intended to illuminate the interior of the washing drum Lamp is suitable as a transmitting element
- transmitting and / or receiving elements can be used in the area above the filling opening of the rear bottom wall of the washing drum, especially if a lamp is already provided there for illuminating the inside of the drum if this lamp is a halogen lamp or another broadband spotlight they already act as a transmitting element.
- the light emitted by the transmitting element is combined in one modulated in a certain way and only uses the reflected or emitted light if it has the same modulation
- Transmitting and receiving elements are preferably used in conjunction with optical devices, in particular focusing lenses, optical fibers and optical and / or electrical arrangements for amplifying optical or electrical signals
- Filters are also advantageously used to separate out narrow spectral ranges.
- Diffraction gratings are suitable as filters, for example, which are transparent to different wavelengths at different angles, prisms, holographic filters, gratings and the like.
- Graduated filters from which incident broadband light is coupled out at various points are also particularly suitable
- Optical fibers are preferably also used, which make it possible to transmit and receive elements at a location within the
- optical fibers has the further advantage that high temperatures, which are often used in the treatment of textiles, for example within the washing drum of a washing machine or the dryer drum of a washer dryer, the optical elements, such as the transmitting and receiving elements and the associated them optical means, do not influence, so that no measures are necessary to compensate for temperature fluctuations on the transmitting and / or receiving elements to equalize or to compensate, it is also advantageous that inexpensive transmitting and / or receiving element 3 can be used, which place lower demands on the temperature stability and therefore have to be less stable against the influences such as are present inside the drum of a washer dryer or washing machine are and can influence negative transmission and reception elements.
- the same advantage also relates to the use of control or evaluation electronics assigned to the respective transmission and reception elements
- Transmitter and receiver elements are preferably protected from soiling in the form of lint and dust within the treatment room of the textiles, in that an air stream is guided past the transmitter or receiver elements
- the dryer air or an externally supplied air flow is suitable for this, which winds around the dryer air, for example, in a countercurrent process.
- ambient air or dryer air cleaned by a filter is preferably first passed the transmitting and receiving elements and then blown into the dryer drum the transmitting and receiving elements can also be cleaned by washing pieces moving past them during the cleaning process.
- the water jet filling the tub can be guided in such a way that it unwinds a cover shielding the IR radiation source
- a protective glass is preferably also provided which shields the transmitting and / or receiving elements from the treatment room and can preferably be removed by the user so that it can be cleaned
- the transmitting and / or receiving elements can be calibrated, for example, when the device is switched on
- Wavelengths in the near and middle infrared range are particularly suitable for textile recognition.
- organic substances ie textiles
- it absorbs as a function of it Spectral components corresponding to chemical composition from electromagnetic radiation with which it was irradiated, or reflect it and / or transmit it.
- the energy is preferably coupled into the textiles by means of a
- Broadband emitters for example an incandescent lamp, a halogen lamp or a light-emitting diode, are also suitable, however, other narrow-band emitters.
- the textiles and the water contained therein absorb energy from the electromagnetic radiation over the entire spectral range of the light source.
- the light that is not absorbed is reflected and / or transmitted, a part of this light being guided to the evaluation circuit by means of the receiving element or elements, where, provided the radiation received represents a spectrum, a spectral decomposition of the received spectrum is preferably carried out.
- the Fourier Transformation of the Spectra (FTIR) is particularly suitable Dismantling can be carried out according to the following principles.
- the electromagnetic signals which are formed, for example, by individual receiving diodes or individual phototransistors, are radiated onto the receiving elements by means of a filter or by means of several filters the receiving elements arranged in the form of a CCD array
- diffraction gratings can also be provided
- a coupling optic is preferably provided which, in addition to a grating or a filter, also comprises a lens system, for example a converging lens
- narrow-band receiving elements can be considered, which absorb specifically in the wavelength ranges relevant to these textiles in order to allow an analysis of the chemical composition or the current state of the textile. It is also possible to determine certain types of soiling of a textile, for example protein - or fatty ones Contamination The same also applies to the evaluation circuit. It is also possible to extend the spectroscopic examination of the textiles into the visible area so that the color of the textiles can also be determined
- the moisture content of a textile is also influenced in its absorption and / or transmission spectrum in a certain wavelength range, preferably those wavelength ranges are selected for the measurement of the moisture on the one hand and the type of textile on the other hand, in which either no such dependency is present or at least no trace Has an influence on the mutual differentiability of different types of textiles
- information that takes into account the dependence of the spectrum of a textile on the moisture absorbed is also stored in a memory unit assigned to the evaluation circuit in order to correct spectral measurements according to the desired data, be it on the type of textile or on the moisture content
- spectra are suitable for the evaluation of the spectra, for example their slope, the height of peaks, the height ratio of different peaks, derivation functions from the spectra, the size obtained from the spectra, preferably a factor analysis of the spectra is carried out are stored in the memory unit and are then available for comparison with later measurement results
- the evaluation unit comprises a fuzzy logic or a neural network in which various properties for recognizing permanent properties of textiles, such as their chemical composition or temporary properties of textiles, such as their moisture content or temperature or wetting can be recognized by a liquid medium.
- Spectra are preferably present in the storage unit for different types of textiles, in particular for different degrees of moisture of these textiles, or are successively stored during operation of the treatment device and are taken into account in each case when processing or processing textiles.
- the drum full level of a washing machine or washer dryer can also be determined by determining the intensity of the reflected light. This takes advantage of the fact that textiles scatter light far more strongly than the washing drum, which is made of stainless steel the difference in the materials of washing drum and
- Items of laundry can be used to record the volume filled by laundry within the laundry treatment device.
- An integral measurement of the spectra is preferably carried out here
- the device is also suitable for detecting a drum standstill, since in this case the measured spectra do not change over time
- Drum stoppage can be caused by a break in the drive belt
- the spectrometer can also be used in conjunction with the evaluation circuit as a smoke detector, because when a certain smoke density is reached, the spectra of the washing items are no longer recognized.
- the evaluation circuit then generates a signal that, if that
- Home appliance is connected to a data network, at a receiver, for example in a fire station, triggers a fire alarm.
- a fire alarm is connected to the laundry treatment appliance or provided in the household
- a washer dryer 1 (FIG. 1) is equipped with a rotatably mounted drum 2 for receiving laundry 3 to be dried.
- the drum 2 has a drum base 4 which is perforated in its central region 5. The perforation is used for filtering a
- Dry air flow On the side opposite the drum base 4 there is an opening which can be closed by a loading door 6. During operation, the dry air flow is generated by a blower 7, which is generated by a circulating air circuit 8 to a heating device 9 for heating the dry air and then flows into the drum 2 through the central region 5 of the drum base 4
- the dry air flows through the loading door 6, which has openings on the inside and the underside, through a further section of the circulating air circuit 8 to a condenser in which the dry air is cooled to condense washing moisture contained therein.
- the condenser For this purpose, cooling air flows through 10, which is sucked in from the surroundings of the washing dryer 1. After the condenser 10, the drying air is sucked in again by the blower.
- a lamp 11 is provided in the area of the loading opening, for example a broadband radiator, in particular a light bulb, a halogen lamp or a light-emitting diode. This emits electromagnetic radiation onto the wash 3 to be dried within the drum 2.
- the reception elements 12, 13 are sensitive in different spectral ranges, for example in the case of a silicon diode in a bandwidth of less than 1100 nm or in the case of InGaAs diodes in a bandwidth of 800 nm to 1700 nm by arranging a filter On the radiation-emission side of the receiving elements 12, 13 it can be achieved that only a certain narrow band or only a certain wavelength can be received by the respective transmitting element 12, 13.
- the wavelength ranges in which the receiving elements 12, 13 are sensitive can be choose such that, for example, the receiving element 12 is sensitive in a wavelength range from 800 to 1700 nm and detects different types of textiles, for example cotton, linen, silk, viscose wool or polyamide or other textile materials
- FIG. 6 shows the reflectance spectrum of four polyester pieces that come from different fabrics. Due to different scattering of the light, reflectance spectra are shifted essentially parallel to one another. The derivation functions obtained from these spectra (FIG. 7) then again show the correspondence in the material
- FIG. 8 shows reflection spectra of a moist and a dry polyester fabric, which also show differences in their derivative functions (FIG. 9)
- FIG. 10 shows reflectance or reflection spectra of polyamide 6 and polyamide 6 6, which can only be separated from one another in a wavelength range between 2400 and 2500 nm
- 11 and 12 show reflection spectra of viscose or polyacrylonitrile in the reflection minimum of the water band as a function of the moisture content of the fibers, as can be determined by means of the evaluation circuit 15
- FIG. 14 shows a reflection spectrum of cotton in the dry and moist state, the cotton still having a certain residual moisture in the washing dryer 1 if the spectrum for dry cotton is therefore in one of the evaluation circuit 15 assigned memory is stored, it can be seen from the respectively measured spectrum by comparison with the spectrum for dry cotton whether the drying process has to be continued or whether the desired residual moisture, for example the curl moisture or cabinet moisture, has already been reached
- measurements of the reflection spectrum of water can also be carried out with one of the receiving elements 12, 13 in this wavelength range
- the receiving elements 12, 13 are connected to the evaluation circuit 15 via lines 14.
- the evaluation circuit 15 contains evaluation electronics, on the basis of which the spectra of the textile or particularly relevant parts in the spectra can be recognized.
- the evaluation circuit 15 is also assigned a memory in which known spectra are stored so that the evaluation unit 15 can reliably detect a type of text by comparing the received spectra with the stored spectra
- the evaluation unit is preferably equipped with a system capable of learning or a fuzzy logic or comprises a neural network. If the evaluation circuit 15 is a self-learning system, it can be trained in such a way that it recognizes spectra later.
- the evaluation circuit 15 is available with a control circuit 16 Control of the washing dryer 1 in connection In particular, it also has access to the memory of the control circuit 16 in order to compare and evaluate spectra
- the evaluation circuit 15 detects a spectrum in a certain program state, it can influence the further program sequence. Upon detection of a residual moisture reached via one of the receiving elements 12, 13 and after detection by the evaluation circuit 15, the latter sends a corresponding signal to the control circuit 16, so that it continues the drying process until the desired residual moisture has been reached, which the operator has set. It is also possible that the evaluation unit 15 triggers an alarm signal when a certain operating state is reached or the program that is running is ended in this way Prevent textiles from being overstressed or damaged This is particularly important if the operator has inserted textiles of different compositions into the drum 2 without being aware of them, so that in this case the program can be canceled, and therefore not the most sensitive of the inserted textiles is damaged.
- the receiving elements 12, 13 are either individual diodes or are composed of arrays of many diodes or phototransistors or similar receivers.
- the receiving elements 12, 13 are preceded by a coupling optics which, for example, have a focusing lens, a diffraction grating and / or a lich Waveguide comprises By means of a flexible optical waveguide, electromagnetic rays can also be detected at locations which are less suitable for the attachment of the receiving elements 12, 13.
- the spectra of the textiles are either selective or the measurement signals are integrated over the room
- part of the air flow is deflected via a flow channel 17 provided for this purpose, so that it reaches the Receiving elements 12, 13 and the transmitting element 10 sweep past and free of dirt.
- air from the outside can also be used for cleaning, and the circulating air, in particular also in a countercurrent process, can be used. After passing a filter, the cleaned ambient air or dryer circulating air is emitted The direction of the receiving elements 12 13 and the transmitting element 10 is blown into the drum 2
- a method for recognizing properties of a textile is thus created, which can be found in various treatment devices, for example in
- washing machines, washer-dryers, washer-extractors, or machines for chemical cleaning with a non-aqueous solvent can be used in any case, the type of textile can be checked, it can also be checked whether the program selection set by the user matches the type of textile and is contractual If the textile is threatened, the device generates a warning - optically or acoustically - or the treatment device independently carries out a program correction It is also possible that the treatment device independently selects and carries out the program adapted to the present textile. Overheating and consequent damage to a textile, for example in a washer-dryer or in a washing machine, can thus be avoided. The humidity in the washing machine goes down the remaining time of the spin cycle when
- Washer dryer 1 in the remaining duration of the drying process
- a contactless measurement with electromagnetic radiation is carried out by the invention, which allows conclusions to be drawn about various properties of the textiles, such as their moisture, chemical composition, etc.
- the entire drying content of the laundry 3 to be dried can be either in the filled state or when Detect the filling of a washing item 3a while the loading door 6 is open
- the drying process in the washing dryer 1 can be optimized with regard to the drying power used and the drying time, or in a washing machine the washing process can optimize energy , Water consumption, the type and amount of detergent and the type of mechanical treatment as well as the duration of treatment are determined by an evaluation circuit or
- Control circuit in the washing machine automatically or in connection with an operator's specifications, taking into account the measured spectra
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Treatment Of Fiber Materials (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19961459A DE19961459A1 (de) | 1999-12-20 | 1999-12-20 | Gerät zur Behandlung von Textilien mit einer Auswerteschaltung zur Erkennung der Textilart und/oder der Feuchte eines Wäschestücks |
DE19961459 | 1999-12-20 | ||
PCT/EP2000/012228 WO2001046509A1 (de) | 1999-12-20 | 2000-12-05 | Gerät zur behandlung von textilien mit einer auswerteschaltung zur erkennung der textilart und/oder der feuchte eines wäschestücks |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1242665A1 true EP1242665A1 (de) | 2002-09-25 |
EP1242665B1 EP1242665B1 (de) | 2004-03-17 |
EP1242665B2 EP1242665B2 (de) | 2008-07-02 |
Family
ID=7933427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00983225A Expired - Lifetime EP1242665B2 (de) | 1999-12-20 | 2000-12-05 | Gerät zur behandlung von textilien mit einer auswerteschaltung zur erkennung der textilart und/oder der feuchte eines wäschestücks |
Country Status (7)
Country | Link |
---|---|
US (1) | US6784997B2 (de) |
EP (1) | EP1242665B2 (de) |
AT (1) | ATE262066T1 (de) |
DE (2) | DE19961459A1 (de) |
ES (1) | ES2217002T5 (de) |
TR (1) | TR200401092T4 (de) |
WO (1) | WO2001046509A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2025803A3 (de) * | 2007-08-14 | 2009-10-07 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Nachweis von flüchtigen, entzündlichen Substanzen in einem Trockner und hierzu geeigneter Trockner |
DE102017215949A1 (de) | 2017-09-11 | 2019-03-14 | BSH Hausgeräte GmbH | Handgerät zur verbesserten Wäschebehandlung, System mit einem solchen Handgerät und Verfahren zu seinem Betrieb |
DE102017219806A1 (de) | 2017-11-08 | 2019-05-09 | BSH Hausgeräte GmbH | Handscanner zur verbesserten Fleckenerkennung, System mit einem solchen Handscanner und Verfahren zu seinem Betrieb |
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Cited By (6)
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EP2025803A3 (de) * | 2007-08-14 | 2009-10-07 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Nachweis von flüchtigen, entzündlichen Substanzen in einem Trockner und hierzu geeigneter Trockner |
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DE102017219806A1 (de) | 2017-11-08 | 2019-05-09 | BSH Hausgeräte GmbH | Handscanner zur verbesserten Fleckenerkennung, System mit einem solchen Handscanner und Verfahren zu seinem Betrieb |
DE102017223324A1 (de) | 2017-12-20 | 2019-06-27 | BSH Hausgeräte GmbH | Verfahren zum Betrieb eines wasserführenden Haushaltsgerätes mit einem Spektrometer und hierzu geeignetes Haushaltsgerät |
DE102018203938A1 (de) | 2018-03-15 | 2019-09-19 | BSH Hausgeräte GmbH | Scanner, diesen Scanner enthaltendes Scansystem sowie Verfahren zur Sortierung von zu behandelnden Wäschestücken |
WO2019174955A1 (de) | 2018-03-15 | 2019-09-19 | BSH Hausgeräte GmbH | Scanner, diesen scanner enthaltendes scansystem sowie verfahren zur sortierung von zu behandelnden wäschestücken |
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US6784997B2 (en) | 2004-08-31 |
ATE262066T1 (de) | 2004-04-15 |
EP1242665B1 (de) | 2004-03-17 |
WO2001046509A1 (de) | 2001-06-28 |
ES2217002T3 (es) | 2004-11-01 |
DE19961459A1 (de) | 2001-07-12 |
EP1242665B2 (de) | 2008-07-02 |
US20030019253A1 (en) | 2003-01-30 |
DE50005739D1 (de) | 2004-04-22 |
ES2217002T5 (es) | 2008-12-01 |
TR200401092T4 (tr) | 2004-07-21 |
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