EP2047024B1 - Procédé pour déterminer une quantité de charge d'un appareil de traitement du linge et appareil de traitement du linge adapté - Google Patents

Procédé pour déterminer une quantité de charge d'un appareil de traitement du linge et appareil de traitement du linge adapté Download PDF

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Publication number
EP2047024B1
EP2047024B1 EP07787437A EP07787437A EP2047024B1 EP 2047024 B1 EP2047024 B1 EP 2047024B1 EP 07787437 A EP07787437 A EP 07787437A EP 07787437 A EP07787437 A EP 07787437A EP 2047024 B1 EP2047024 B1 EP 2047024B1
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EP
European Patent Office
Prior art keywords
container system
displacement
laundry
housing
determined
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EP07787437A
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German (de)
English (en)
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EP2047024A1 (fr
Inventor
Rainer Jurmann
Thomas Kaltofen
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Priority to PL07787437T priority Critical patent/PL2047024T3/pl
Publication of EP2047024A1 publication Critical patent/EP2047024A1/fr
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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/16—Imbalance
    • 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
    • D06F2103/26—Unbalance; Noise level
    • 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
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
    • 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

Definitions

  • the invention relates to a method for determining a loading amount of a laundry treatment device, in particular a washing machine, a washer dryer or a tumble dryer, with a resiliently supported in a housing container system in which a drum for receiving the load is arranged, and with a device for detecting a displacement the container system with respect to the housing, comprising the step in which a displacement of the container system in a first direction is detected.
  • the invention also relates to a laundry treatment device having a housing, having one or more spring elements which connect the housing to a container system in which a drum for receiving a load is arranged, with a device for detecting a displacement of the container system relative to the housing and with a Device for determining the amount of charge introduced into the drum.
  • the washing machine has a container system comprising a drum for receiving a laundry load.
  • the container system hangs in a housing on two springs and is additionally connected via two dampers, so-called spring piston damper, with the housing.
  • the washing machine has a first position sensor arranged next to one of the dampers and a second position sensor arranged in the damper which detects a displacement of a friction lining arranged resiliently in the damper. Both transducers are arranged parallel to each other.
  • the container system detects the displacement of the container system in one direction, namely in the direction of the displacement sensor, taking into account the spring constants of the springs on which the system hangs and which are arranged in the dampers, with a device, the weight of the laundry determined according to the principle of a spring balance.
  • the laundry weight is a measure of the load.
  • the weight of the laundry creates a moment whereby the container system tilts.
  • the center of mass of the load is not symmetrical to the center of gravity of the container system.
  • the path changes detected by the transducers are no longer proportional to the weight of the load of laundry fed into the drum. Since the displacements of the container system can be determined only in one direction, the tilting of the container system can not be considered. Therefore, the determined load weights for a finely graduated display of the laundry weight and / or a control of the washing machine are too inaccurate.
  • the displacement sensor is arranged in the immediate vicinity of the damper. As a result, the design of the washing machine is severely limited in terms of the arrangement of such transducers.
  • a method and a washing machine with a device for detecting a container displacement is also off DE 22 04 325 A1 known.
  • the arranged between a container system and a housing displacement sensor also detects only a displacement of the container system in one direction, namely in alignment of the uniaxial transducer.
  • a spring piston damper with a displacement measuring device is in DE 100 46 712 A1 disclosed.
  • This damper is provided for a washing machine, wherein by means of the displacement measuring device, a displacement of a container arranged in the washing machine is detected.
  • the path measuring device can detect only one path change in one orientation. From the detected displacement, the weight of the introduced into the container laundry charge can be determined.
  • the figures of the DE 100 46 712 A1 show a washing machine whose container is suspended by more than two springs. Such a construction can reduce, but not exclude, tilting of the container with loadings of laundry distributed asymmetrically with respect to the center of gravity of the container. Therefore, even with such a structure, the weight of such asymmetrically distributed laundry load is determined only inaccurately.
  • the publication JP 07136379 discloses a washing machine that automatically and precisely adjusts the appropriate amount of water in response to the weight of the fabric.
  • the drum 1 is suspended resiliently by means of rods 2 on the housing 3.
  • each weight sensor 4 measures the displacement of the corresponding rod 2, the average value of the output values of the four weight sensors forming the basis for the weight determination (see Fig. 1 and 2 ).
  • the publication JP 08164295 discloses a fully automatic washing machine which prevents the occurrence of erroneous detection of the basket weight by a signal, the weight of the outer basket of a washing machine on a triaxial force sensor, which rests at one end on a reinforcing member through a suspension rod for weight determination.
  • the object of the invention to provide a method and a laundry treatment device that can determine the weight or amount of an introduced into the device laundry load as accurately as possible.
  • the inventive method for determining a loading amount is provided for a laundry treatment device, in particular a washing machine, a washer-dryer or a tumble dryer, which comprises a resiliently supported in a housing container system in which a drum for receiving the load is arranged, and means for detecting a Displacement of the container system relative to the housing, wherein the displacement of the container system is detected in a first direction.
  • the weight force not only causes a displacement of the container system in the direction of the weight of the load is, but that the container system tilt under the weight and / or weight by other spring elements, such as a arranged between the housing and the container system elastic sleeve or by hoses, partially compensated, according to the invention, a displacement of the container system over the Detects housing in a second direction, which is different from the first direction
  • a displacement of the container system in a third direction which is different from the first and second directions, detected and the loading amount a depending on the displacement in the first, second and third directions.
  • the detection device of the displacement can be advantageously arranged at many measuring locations.
  • the detection device can be attached particularly inexpensive.
  • a displacement in one direction means both a displacement in one direction and a rotation in one direction of rotation. Therefore, the detection means can either detect displacements in different directions from which rotations can be calculated, or directly detect displacements and / or rotations whose directions or directions of rotation are different.
  • the displacements are detected in mutually perpendicular directions.
  • commercially available 3-axis sensors can be used particularly favorable.
  • the manufacturing cost of a washing machine compared to a use of multiple sensors can be reduced.
  • the displacement is independent of one another, whereby the calculation of the loading weight can be carried out more easily.
  • the offset constants can be combined into a constant.
  • the formula is shown for displacements recorded in three directions. The number of terms depends on the sensed directions. If displacements in one direction of rotation are to be taken into account, generally trigonometric functions are to be taken into account, wherein for small angles of rotation the radian measure of the angle can be assumed for the sine of the angle and the value 1 for the cosine of the angle. Thus, even for small angles of rotation, the said formula for determining the load weight is applicable.
  • a loading amount is made up of a sum of products respectively composed of a detected displacement (x 1 , y 1 , z 1 ) and a proportionality factor (a x , a y , a z ) and at least one offset constant (b x , b y , b z , b 0 ) is calculated. It is also possible to use polynomials of a higher order for the calculation formula.
  • the constants are particularly easy to determine by experiments.
  • the constants are then determined by solving a corresponding linear system of equations.
  • the constants advantageously take into account the geometrical dimensions of the laundry treating appliance, the existing mass distributions of the container system, spring stiffnesses in the respective directions, characteristics of the detecting means such as gain factors and offset, and the measuring location.
  • the constants are stored in a storage device of the laundry treatment appliance.
  • such a memory device is part of the detection device or a controller which is connected to the detection device.
  • Such tests can be carried out in the laboratory, the determined constants then being valid for a number of laundry treatment appliances of the same construction.
  • these tests can also be carried out in a production test after the production of a laundry treatment device, wherein the determined constants are stored after the attempt of the storage device of the respective laundry treatment device.
  • manufacturing tolerances of the respective laundry treatment device and the respective detection device can be considered individually.
  • the rest position of the container system is determined in the housing and are determined depending on the rest position, the offset constant or the offset constant. It is assumed here that after switching on the laundry treatment appliance is not yet loaded.
  • a step of a washing program to dehumidify a laundry load, to determine the rest position of the container system in the housing and to determine the offset constant or the offset constant depending on the rest position with a stationary drum. Since the rest position of the container system after centrifuging depends on the introduced laundry load and the water still bound in the laundry, the dry weight of the introduced laundry load determined at the beginning of a wash program, a maximum drum speed of the preceding spin cycle and optionally a determined type of laundry considered. From the drum speed and possibly the type of laundry, the water bound after the spin can be determined with sufficient accuracy via an allocation table. In particular, it can be checked by comparing the determined offset constants after switching on, whether the measurement was actually carried out on an unloaded laundry treatment appliance.
  • the offset constants can be corrected on the basis of the values determined after the spin.
  • the determined loading amount is supplied to a controller of the laundry treating appliance.
  • the controller may schedule a selected wash program in dependence Advantageously affect the loading amount.
  • a quantity of water required for the treatment of the laundry, a metered amount of cleaning and care agent and / or durations of program sections can be adapted to the loading quantity.
  • the loading amount can be displayed on a display device connected to the controller.
  • the weight of the wet laundry charge is determined continuously or sequentially during a spin of the laundry load from the position of the container system. Thereby the decrease of the weight of the wet laundry during a spin is monitored. From the difference between the weight of the wet laundry load and a dry weight determined at the beginning of a washing program, the amount of water bound in the load or from the ratio of the weights a so-called residual moisture content of the laundry can be determined. Thus, it is possible to continue spinning if necessary at a further increased drum speed until a predetermined residual moisture is reached. It is also possible to determine from a comparison of two successive weight measurements during spin, whether there is still a change in weight, ie whether still bound water is ejected.
  • a laundry treatment appliance in particular a washing machine, a washer-dryer or a tumble dryer, with a housing, with one or more spring elements which connect the housing with a container system in which a drum is arranged for receiving a load, with a Device for detecting a displacement of the container system relative to the housing and provided with a device for determining the amount of loading introduced into the drum, wherein the detection device can detect the displacement of the container system in three different directions, wherein the displacements are detected in mutually perpendicular directions and the device for determining the amount of loading the introduced load from the detected displacements in the three different directions.
  • the detection device may comprise a plurality of sensors, each of which can detect a displacement in one direction.
  • the individual sensors are arranged in such a way in the laundry treatment device at measurement locations at which a displacement of the container system in the individual directions due to a load is as large as possible.
  • the detection device comprises at least one sensor which can detect the displacement of the container system in three directions.
  • Such multi-axis sensors are less expensive than several individual sensors.
  • Position, displacement or acceleration sensors can be used to detect a displacement. Such sensors are already mass-produced in large numbers, which also have a high accuracy and measurement resolution. When using acceleration sensors that can detect a relative displacement by the twice the time integral of the detected acceleration is formed.
  • the acceleration sensors are arranged on the container system. Preferably, position and displacement sensors are used. For example, inductive displacement sensors, which are connected to the housing and the container system, strain gauges which are arranged on the spring elements, or non-contact optical, magnetic or capacitive sensor systems.
  • a damping device which is connected to the housing and the container system and which is designed such that during a detection of the displacement of the container system dependent on the loading amount displacement is possible.
  • an active damper can be used that is turned off during the detection of the displacement, that is, the damper can produce substantially no damping force.
  • the weight of the load acts essentially only against a spring force.
  • the laundry treatment device comprises one or more spring piston or Leerhubdämpfer that have no damping effect in a predetermined displacement range. The shift range is just designed so that the rest positions of an unloaded and a maximum loaded container system are just within such a range.
  • the laundry treatment device has a damping device which is connected to the housing and the container system whose connection to the housing lies outside a plane formed by the connection of the spring elements and the center of gravity of the container system and at least during the detection of the displacement of the container system is essentially stiff.
  • a damping device which is connected to the housing and the container system whose connection to the housing lies outside a plane formed by the connection of the spring elements and the center of gravity of the container system and at least during the detection of the displacement of the container system is essentially stiff.
  • one or more friction dampers whose possible resulting static friction force is at least significantly greater than the weight force of a maximum possible laundry load are suitable for such a damping device. Since in this embodiment, the damping device is clearly outside of said plane through the center of gravity, a laundry load always causes a tendency of the container system. The degree of inclination depends on the amount of load introduced.
  • the loading quantity can be determined by measuring the displacement caused by the inclination. It is accepted that the inclination is also dependent on the center of gravity of the laundry load.
  • the proportionality factors and offset constants are preferably determined from experiments in such a way that on average the error for the determination of the loading quantity is as small as possible. Thus, even with such a low-cost solution, a sufficiently accurate loading quantity determination is possible.
  • identical components are designated by the same indices.
  • the invention will be described using the example of a laundry washing machine, wherein the invention is also applicable to other laundry treatment equipment with swinging supported container systems.
  • a loading amount and a loading weight are meaningful in the meaning of the invention.
  • FIG. 1 shows a washing machine with a housing 1 in which a tub 3, hereinafter also referred to only as a container 3, is arranged, which hangs on two springs 9 and is supported on two spring piston damper 6.
  • a drum 8 for receiving laundry 7 is rotatably mounted.
  • the drum 8 is connected via a belt drive 4 with a motor 4.
  • a balance weight 11 is attached on the container 3.
  • the washing machine has other components, for example, hoses for supplying and discharging liquids into the container or a sleeve which encloses a loading opening of the drum 8 and the housing 1.
  • the housing 1 and the container 3 are at least indirectly connected via the hoses and the sleeve, wherein a force can act on the container 3 via these connections when the container 3 is displaced.
  • All rigidly connected to the container 3 components, in particular the drum 8, the belt drive 4, the motor 5 and the balance weight 11 may be referred to as a container system or vibration system.
  • the position of the center of gravity 14 of the container system results from the mass distribution of the container system, wherein the washing machine is designed such that the center of gravity is preferably on the axis of rotation 14 of the drum 8 and on a plane formed by the connection points of the springs 9 and the damper 6 level.
  • the position of the container 3 relative to the housing 1 in three directions x, y and z at the measuring point of a position measuring device 2 is determined.
  • a first rest position of the container with the measuring device 2 is determined.
  • An operator fills in the drum 8, the laundry to be washed 7, wherein under the weight of the laundry 7, the position of the container changed to between the weight of the laundry 7 and the forces acting on the container 3 forces, in particular the support forces generated by the springs to set a balance.
  • the position of the container 3 is determined for such a second rest position in the three directions x, y and z.
  • the container 3 lowers under the weight of the laundry at the attachment points of the dampers 6 by a length .DELTA.z and slightly twists due to the laundry 7 being located asymmetrically in the drum 8.
  • the length .DELTA.z is substantially proportional to the change in the sum of all in the direction of z, in the effective direction of the damper 6, acting spring forces, in particular the forces of the spring 9 and arranged in the dampers 6 springs. Since the springs 9 are also slightly twisting, only a portion of the forces of the springs 9, namely only the portion acting in the z direction, counteract the weight force acting in the z direction.
  • the positions of the first and second rest position are sent to a program control 10, which is connected to the measuring device 2. From the deviation of the detected rest positions, the displacement x 1 , y 1 and z 1 of the container 3 at the measuring location of the measuring device 2 is calculated.
  • predetermined proportionality factors a x , a y , a z and predetermined offset constants b x , b y , b z , b 0 are stored in a memory device containing the spring constants in the respective directions, the geometric conditions of the container 3 and take into account the location of the measuring location.
  • two measuring devices 2 can be used which can determine a displacement in three directions at two different measuring locations. This makes it possible to determine a shift in all six degrees of freedom.
  • the abovementioned calculation formula for the loading amount m is then expanded by the corresponding additional measured variables.
  • FIG. 2 Another embodiment of a washing machine is in Fig. 2 shown. Notwithstanding the first example, this washing machine has two friction dampers 6a, which are connected to the container 3 outside the plane 12 formed by the springs 9 and the center of gravity 14, preferably at one edge of the container 3. A change in length of the friction damper 6a only occurs when the damper 6a is acted upon by a force which is greater than the static friction force impressed by the friction linings arranged in the dampers 6a.
  • the dampers 6a are designed such that the static friction force is significantly greater than the weight of the maximum intended laundry load. Therefore, when the drum 8 is loaded, the length of the dampers 6a will not change under the weight of the loaded laundry 7. Rather, the container 3, as in Fig. 3B shown to twist the connection point of the damper 6a on the container 3.
  • Such a rotation, which is dependent on the loading weight, is detected with the measuring device 2 exactly as in the first embodiment, and the weight of the laundry 7 is calculated with the program control device 10 according to the said formula, wherein the predetermined proportionality factors a x , a y , a z and predetermined offset constants b x , b y , b z , b 0 are adapted according to the changed structure.
  • the second embodiment is characterized in particular by the fact that very cost-effective friction dampers 6a can be used for the washing machine and the method for determining a loading weight.
  • the proportionality factors a x , a y , a z and offset constants b x , b y , b z are determined from laboratory experiments. These values are stored in the program controller 10. In a production test after the production of a washing machine, such attempts are repeated and, if necessary, the stored values are corrected. For this purpose, a test facility is connected to the program control 10. In the experiments, the drum 8 is loaded with known weights at different locations and recorded the displacement of the container 3 with the measuring device 2 of the washing machine.
  • An algorithm stored in the test device determines the corresponding factors a x , a y , a z and constants b x , b y , b z , b 0 from the values of a test series recorded with the measuring device 2.
  • the factors a x , a y , a z and constants b x , b y , b z , b 0 determined using the test device are multiplied by the factors a x a y , a z stored in the program control 10 and constants b x , b y , b z , b 0 are compared and, if necessary, corrected, in which the new factors a x , a y , a z and constants b x , b y , b z , b 0 are transmitted to the program controller 10 and stored there.
  • the position of the unloaded container 3 is determined with the measuring device 2 and stored in the program control 10.
  • the data stored in the program control 10 constants b x, b y, b z, b 0 are checked according to any switching on the washing machine, by the determined position is compared with the determined according to the making position when turning. From the deviation, the constants b x , b y , b z , b 0 can be corrected and stored in the program control 10.
  • the program control 10 can vary the program sequence of the washing machine depending on the determined loading amount m.
  • cycle lengths of individual program sections and water volumes required for washing and rinsing are determined as a function of the determined loading amount m.
  • the determined loading amount m is displayed on a display device of the washing machine.
  • the position of the container 3 at the measuring location and therefrom the quantity m wet of the wet laundry 7 introduced into the drum 8 are determined continuously during the spin cycle. In most cases when spinning the laundry 7 is unevenly distributed on the drum wall, creating an imbalance arises that causes vibration of the container system 3 to the center of gravity of the loaded container system. Also at the measuring location of the position measuring device of the container oscillates around a momentary rest position, which is determined by sliding average over detected displacements. The momentary rest position at the measuring location, also referred to as the position of the container system or of the container 3, is used to determine the amount m wet of the wet laundry.
  • the proportion of bound water is determined. This ratio is compared with a predetermined proportion value, which represents a residual moisture of the laundry 7 to be achieved. Upon reaching the predetermined proportion value, the spin cycle is terminated by the program control.
  • the position of the container 3 continuously detected during spinning is compared with a previously detected position.
  • the spin cycle is stopped in this case, when the change of position is less than a predetermined threshold, that is, there is no more water is thrown out of the laundry 7.
  • the exemplary embodiments each have a three-axis position-measuring device 2.
  • Alternative versions can also be several three-axis position measuring devices exhibit.

Claims (16)

  1. Procédé pour déterminer une quantité de charge (m) d'un appareil de traitement du linge, en particulier d'un lave-linge, d'un lave-linge séchant ou d'un sèche-linge, avec un système de cuve qui est supporté de manière élastique dans un carter (1) et dans lequel est disposé un tambour (8) destiné à recevoir la charge (7), et avec un dispositif (2) permettant de détecter un déplacement du système de cuve par rapport au carter (1), comprenant les étapes :
    a) détecter un déplacement (z1) du système de cuve par rapport au carter (1) dans une première direction (z),
    b) détecter un déplacement (y1) du système de cuve par rapport au carter (1) dans une deuxième direction (x, y), différente de la première direction (z),
    caractérisé par les autres étapes :
    c) détecter un déplacement (x1) du système de cuve dans une troisième direction (x), différente de la première et de la deuxième direction (y, z), les déplacements (x1, y1, z1) étant détectés dans des directions (x, y, z) qui sont perpendiculaires l'une à l'autre,
    d) déterminer la quantité de charge (m) en fonction du déplacement (x1, y1, z1) dans la première, la deuxième et la troisième direction (x, y, z).
  2. Procédé selon la revendication 1, caractérisé en ce que la quantité de charge (m = ax* x1 + bx + ay * y1 + by + az * z1 + bz + b0) est calculée à partir d'une somme de produits formés chacun par un déplacement (x1, y1, z1) détecté et un facteur de proportionnalité (ax, ay, az), et d'au moins une constante offset (bx, by, bz, b0).
  3. Procédé selon la revendication 2, caractérisé en ce que pour un appareil de traitement du linge, les facteurs de proportionnalité (ax, ay, az) et la ou les constantes offset (bx, by, bz, b0) sont déterminés à partir de mesures des déplacements (x, y, z) pour des masses de charge prédéterminées et mémorisés dans un dispositif (1) de l'appareil de traitement du linge.
  4. Procédé selon la revendication 2 ou 3, caractérisé en ce que la position de repos du système de cuve dans le carter (1) est déterminée après un branchement de l'appareil de traitement du linge, et en ce que la ou les constantes offset (bx, by, bz, b0) sont déterminées en fonction de la position de repos.
  5. Procédé selon la revendication 2 ou 3, caractérisé en ce que la position de repos du système de cuve dans le carter (1) est déterminée après un essorage, lorsque le tambour (8) s'est immobilisé, et en ce que la ou les constantes offset (bx, by, bz, b0) sont déterminées en fonction de la position de repos.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que la quantité de charge (m) déterminée est mise à disposition d'une commande (10) de l'appareil de traitement du linge.
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une position du système de cuve est déterminée de manière continue ou séquentielle pendant un cycle d'essorage.
  8. Procédé selon la revendication 7, caractérisé en ce qu'une modification de la position détectée est déterminée, et le cycle d'essorage est arrêté si la modification est inférieure à une valeur seuil prédéterminée.
  9. Procédé selon la revendication 7, caractérisé en ce que la quantité (mmouillé) du linge mouillé est déterminée à partir de la position déterminée.
  10. Procédé selon la revendication 9, caractérisé en ce qu'un rapport est formé à partir de la quantité (mmouillé) du linge mouillé et la quantité de charge (m) déterminée avant le début d'un programme, en ce que le rapport est comparé avec une valeur prédéterminée, et en ce que le cycle d'essorage est arrêté lorsque la valeur prédéterminée est atteinte.
  11. Appareil de traitement du linge, en particulier un lave-linge, un lave-linge séchant ou un sèche-linge, avec un carter (1), avec un ou plusieurs éléments à ressort (9) qui relient le carter (1) à un système de cuve dans lequel est disposé un tambour (8) destiné à recevoir une charge (7), avec un dispositif (2) permettant de détecter un déplacement du système de cuve par rapport au carter (1) et avec un dispositif (10) permettant de déterminer la quantité de la charge (7) introduite dans le tambour (8), caractérisé en ce que le dispositif de détection (2) est capable de détecter le déplacement du système de cuve dans trois directions différentes (x, y, z), les déplacements (x1, y1, z1) étant détectés dans des directions (x, y, z) perpendiculaires l'une à l'autre, et en ce que le dispositif (10) de détermination de la quantité de charge (m) est capable de déterminer la quantité de charge (m) introduite à partir des déplacements (x1, y1, z1) détectés dans les trois directions différentes (x, y, z).
  12. Appareil de traitement du linge selon la revendication 11, caractérisé en ce que le dispositif de détection (2) comprend plusieurs capteurs capables de détecter chacun un déplacement (x1, y1, z1) dans une direction (x, y, z).
  13. Appareil de traitement du linge selon la revendication 11, caractérisé en ce que le dispositif de détection (2) comprend au moins un capteur capable de détecter les déplacements (x1, y1, z1) du système de cuve dans trois directions (x, y, z).
  14. Appareil de traitement du linge selon la revendication 12 ou 13, caractérisé en ce que le capteur, ou les capteurs, est un capteur de position, de déplacement ou d'accélération.
  15. Appareil de traitement du linge selon l'une des revendications 11 à 14, caractérisé en ce qu'il comprend un dispositif d'amortissement (6), en particulier un ou plusieurs amortisseurs à piston ressort ou course à vide, qui est relié au carter (1) et au système de cuve et qui au moins pendant la détection du déplacement (x1, y1, z1) du système de cuve est capable de permettre un déplacement en fonction de la quantité de charge.
  16. Appareil de traitement du linge selon l'une des revendications 11 à 14, caractérisé en ce qu'il comprend un dispositif d'amortissement (6a), en particulier un ou plusieurs amortisseurs à friction, qui est relié au carter (1) et au système de cuve, dont la fixation au carter (1) est située en dehors d'un plan (12) formé par la fixation des éléments à ressort (9) et du centre de gravité du système de cuve et qui au moins pendant la détection du déplacement (x1, y1, z1) du système de cuve est essentiellement rigide.
EP07787437A 2006-07-24 2007-07-12 Procédé pour déterminer une quantité de charge d'un appareil de traitement du linge et appareil de traitement du linge adapté Active EP2047024B1 (fr)

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PL07787437T PL2047024T3 (pl) 2006-07-24 2007-07-12 Sposób wyznaczania ilości ładunku urządzenia do obróbki prania i odpowiednie do tego urządzenie do obróbki prania

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DE102006034190A DE102006034190A1 (de) 2006-07-24 2006-07-24 Verfahren zum Bestimmen einer Beladungsmenge eines Wäschebehandlungsgeräts und dazu geeignetes Wäschebehandlungsgerät
PCT/EP2007/057166 WO2008012206A1 (fr) 2006-07-24 2007-07-12 Procédé pour déterminer une quantité de charge d'un appareil de traitement du linge et appareil de traitement du linge adapté

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EP2047024B1 true EP2047024B1 (fr) 2012-05-02

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AT (1) ATE556169T1 (fr)
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WO (1) WO2008012206A1 (fr)

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DE102011087365A1 (de) 2011-11-29 2013-05-29 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Einrichtung zum Bestimmen der Beladungsmenge von Wäsche in der Wäschetrommel einer Haushaltwaschmaschine
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CN113308840B (zh) * 2021-05-28 2022-11-11 合肥荣事达电子电器集团有限公司 一种洗衣机用滚筒组件
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WO2016180608A1 (fr) 2015-05-11 2016-11-17 BSH Hausgeräte GmbH Procédé de détermination de la masse lors de l'introduction d'un lot de linge dans un tambour de lavage et machine de traitement du linge permettant la mise en œuvre du procédé

Also Published As

Publication number Publication date
EP2047024A1 (fr) 2009-04-15
PL2047024T3 (pl) 2012-09-28
DE102006034190A1 (de) 2008-01-31
WO2008012206A1 (fr) 2008-01-31
ATE556169T1 (de) 2012-05-15

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