EP4029423B1 - Fonction d'apprentissage pour aspirateurs pourvus d'injecteurs moteur - Google Patents

Fonction d'apprentissage pour aspirateurs pourvus d'injecteurs moteur Download PDF

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Publication number
EP4029423B1
EP4029423B1 EP21215892.7A EP21215892A EP4029423B1 EP 4029423 B1 EP4029423 B1 EP 4029423B1 EP 21215892 A EP21215892 A EP 21215892A EP 4029423 B1 EP4029423 B1 EP 4029423B1
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EP
European Patent Office
Prior art keywords
current
motor
mode
wka
base unit
Prior art date
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Active
Application number
EP21215892.7A
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German (de)
English (en)
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EP4029423A1 (fr
Inventor
Michael Greibl
Christofer EBERT
Jürgen Mack
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP4029423A1 publication Critical patent/EP4029423A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2831—Motor parameters, e.g. motor load or speed
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers

Definitions

  • the invention relates to vacuum cleaners for vacuuming floors, carpets, upholstered furniture, car seats and the like, in particular as household appliances, especially for private use.
  • the vacuum cleaners contain a basic device. This primarily contains a fan driven by a blower motor (electric motor) for sucking in the suction air.
  • a replaceable motor nozzle is attached to the basic device and is used for the actual suction contact with the surface to be vacuumed.
  • the motor nozzle contains a motor brush driven by a second electric motor. This is used to comb out dirt, etc. from the carpet, especially when vacuuming carpets, so that these can then be vacuumed from the nozzle to the basic device.
  • a method for controlling a mobile soil cultivation device which has a drive unit, at least one soil cultivation unit and a control unit, wherein the movement of the soil cultivation device and / or the operation of at least one soil cultivation unit can be controlled by means of the control unit.
  • the movement behavior of the soil processing device and the motor current of at least one drive motor of the drive unit and / or a soil processing unit are recorded and the condition of the soil processing unit is determined by means of a soil classification element
  • the floor area to be worked is classified depending on the detected movement behavior and the detected motor current.
  • a soil cultivation device for carrying out the method is also known.
  • the object of the present invention is to provide improvements in relation to vacuum cleaners with motor nozzles.
  • the basic device has a suction nozzle. This is used to connect the basic device to a motor nozzle, also a floor nozzle.
  • the invention assumes that at least one, in particular at least two, such motor nozzles exist and are also used together with the basic device.
  • the second nozzle can be e.g. B. a spare part for a first nozzle, an alternative nozzle for other uses, etc.
  • the motor nozzle is another part of the vacuum cleaner.
  • the invention further assumes that the motor nozzles in question are designed as follows:
  • the respective motor nozzle contains an electric brush motor and a cleaning brush driven by it - when the nozzle or the entire vacuum cleaner is in operation.
  • the invention assumes that such a motor nozzle is actually placed on the basic device to carry out the method.
  • the basic device contains an electrical interface. This is used to electrically connect the motor nozzle to the basic device.
  • the invention assumes that the connected brush motor is supplied with electrical energy from the basic device during operation.
  • the basic device contains a fan. During operation, this is driven by an electric blower motor and is used to suck in suction air through the suction port and thus through the attached motor nozzle.
  • the basic device is normally, i.e. H. operated in normal operation without a teach-in operation being carried out (see below). Normal operation is the usual use of the basic device or vacuum cleaner for vacuum cleaning.
  • the basic device In response to a teach-in signal, the basic device is then operated in teach-in mode instead of normal operation.
  • the teach-in signal is triggered by a teach-in event.
  • the basic device or vacuum cleaner In teach-in mode, the basic device or vacuum cleaner must be operated in a reference operating mode. This is particularly the operation on a reference ground or in the air, as explained below.
  • the reference soil is in particular just a soil class, e.g. B. the soil types A, B or C explained below, but not a specifically specified soil.
  • a current characteristic value that is correlated with a current operating current of the basic device is recorded.
  • “Current” means: at the moment of acquisition, i.e. during teach-in operation.
  • the operating current is a current in or in the basic device. In particular, this is the current absorbed by the motor nozzle via the interface, in particular the brush current of the brush motor, which flows out via the interface. Alternatively or additionally, it can also be the current drawn by the blower motor or other operating currents inside the basic device or at interfaces at which current flows out of the basic device.
  • the characteristic value is in particular a current strength, a voltage, a power or another value that is correlated with the operating current.
  • the characteristic value can be a pure instantaneous value, but also a characteristic value for a progression of instantaneous values over time, e.g. B. a time derivative.
  • a reference value for the recorded characteristic value is still determined using a teach-in criterion.
  • the reference value is in particular the recorded characteristic value itself or an average or other derived variable from one or more characteristic values that are recorded in teach-in mode.
  • the reference value or a variable derived from it is saved for later use.
  • the teach-in mode is ended upon an end signal and the system switches back to normal operation.
  • the now current characteristic value for the current operating current i.e. that currently exists in normal operation, is recorded.
  • a current blower power is then determined from the current characteristic value and the reference value using a control regulation and the blower motor is operated with this.
  • the current, voltage, etc. of the blower motor are influenced. Others are also optional Consumers in or on the basic device are operated based on parameters that are determined from the characteristic value and reference value based on the control regulation.
  • the invention is based on the following observations and findings:
  • floor nozzles in particular motor nozzles in conjunction with vacuum cleaners, which can automatically detect the type of floor with the help of sensors, for example.
  • the cleaning can be appropriately controlled, regulated or influenced based on the detection of the soil type. Suitable controlled or regulated cleaning should be understood to mean influencing the blower and/or cleaning brush performance.
  • a drive train essentially means the following components: motor, gearbox/transmission, belt drive, bearings, friction, losses and cleaning brush.
  • a shift in the operating points over time e.g. B. due to wear, temperature and, for example, contamination from wrapped hair or fibers.
  • the arrangement of a lighting device, for example implemented by LEDs in the nozzle can also contribute to a shift in the operating points compared to an otherwise unchanged nozzle.
  • the invention is based on the following ideas:
  • a user-initiated (teach-in signal) teach-in function determines the actual characteristic value, e.g. B. the static value of the current as a reference value (abbreviated: "RW"). If necessary, the value is saved - at least temporarily - for later evaluation. This means that all of the influences described above can be compared or canceled.
  • the teach-in function can be carried out on a hard floor (working point A). This is specified to the user in order to create defined conditions for the comparison.
  • ground detection can (now in normal operation) be carried out, for example, by a relative change in the current based on the determined reference value.
  • the process of the teach-in function is e.g. B. as follows: 1. Device is switched on. 2. Customer initiates the teach-in function. 3. Device carries out the teach-in process; for example, according to instructions or specifications on “hard floors”. 4. After the learning operation has ended, the customer can use the automatic floor detection function in normal operation. 5. Device is switched off.
  • the teach-in function can be initiated when starting or switching on the vacuum cleaner (learning event). Or when the nozzle is plugged in and unplugged (learning event). Furthermore, it is also conceivable to activate the teach-in function via radio, infrared, Bluetooth (R), WLAN, GSM, or other options and technologies that seem sensible (the teach-in event is the arrival of a corresponding signal on the basic device from outside via the relevant channel).
  • the change per time or the derivation of the characteristic value e.g. the current
  • the information about a change over time or the dynamics of the current is detected when the type of soil changes.
  • a control and regulation unit can read the current in a fixed time grid (equidistant), for example every 10 ⁇ s. If an increase or decrease of a certain amount can be seen in relation to the previously determined value, this can be used as a conclusion about a change in the soil condition. It makes sense to implement digital filters or repeated polling or repeated increases or decreases in the current. This significantly increases the detection accuracy and reliability.
  • the change between states A, B and C is thus carried out by dynamically detecting a decrease or an increase in the current.
  • the control unit can evaluate the temporal change/derivative/dynamics. For example, the current sampling (currently determined characteristic value) can be compared with previous sample values (characteristic values determined in the past). If a tendency can be recognized, this can be used as a conclusion about the type of soil.
  • the control unit can also include the absolute value (actual value of the variable: “characteristic value”) in the evaluation.
  • the teach-in function can be used for an existing accessory portfolio for a vacuum cleaner or type, as well as for future floor nozzles.
  • the user can usually teach-in any motor-operated floor nozzle, which is comparable, for example, to how the “TARA” button works on kitchen scales.
  • automatic floor detection is set up, which in turn can have countless advantages. Among other things, an optimal and energy-saving power setting of the blower and the associated extension of the running time of battery-operated devices.
  • the learning function is implemented almost exclusively in software, which also makes it very cost-effective.
  • the suction conditions are given by the specification of the conditions during learning (e.g. "hard floor")
  • the determined absolute current value is then assigned to this floor type as a reference value.
  • the invention assumes that the absolute current values on other soils are in a known relative relationship to the reference value. By determining the actual current, conclusions can be drawn about the type of soil in relation to the reference value.
  • the learning event is generated by the operation of an input element by a user of the basic device.
  • the teach-in mode is therefore started by the corresponding operation.
  • the input element can be arranged on the basic device.
  • the input element is arranged remotely from the basic device on an object that is communicatively connected to the basic device. This can e.g. This could be, for example, a control button on a remote control, a radio or infrared transmitter, an operating field on a smartphone app that communicates with the basic device, etc.
  • Corresponding variants infrared, Bluetooth, ...) have already been mentioned above. In this way, the learning process can be started consciously and in a controlled manner.
  • the learning event is not generated by such an actuation of an input element by a user.
  • the learning process is not started by actively activating an input element. The user of the vacuum cleaner is therefore relieved of having to start the learning process. Any events can be used to start the insertion process. The learning process is therefore started comparatively automatically.
  • the learning event is generated by switching on the basic device and/or changing the motor nozzle.
  • this ensures that the teach-in operation cannot be forgotten, as it occurs every time the basic device is started up.
  • changing the nozzle often leads to this to a shift in the operating point, as explained above.
  • the learning process cannot be forgotten.
  • At least one signal for the reference operating mode, in particular a target operating state, of the basic device for the teach-in mode is displayed to a user of the basic device via a communication means before or during the teach-in mode.
  • “At least one signal” is to be understood as meaning that in addition to displays, warning tones (e.g. binary “signal”: indicator light on/off), higher-level information, e.g. B. pictograms, words, short texts or detailed descriptions in image and/or sound form are possible.
  • the target operating state is one in which the basic device is to be operated in teach-in mode so that correct teach-in is ensured as well as possible.
  • the teach-in operation must therefore be carried out in a specified operating state of the basic device or vacuum cleaner:
  • the device must be placed on a specified type of floor, e.g. B. Hard floor, as explained above as an example.
  • the device is without contact between the motor nozzle or cleaning brush and the floor, i.e. H. in the air, so that the cleaning brush does not experience any mechanical resistance at the bottom.
  • the means of communication is, for example, a visual or acoustic display, or a printout, e.g. B. on a sticker or an operating manual supplied with the basic device, whether physical or as an electronic document/issue.
  • the learning process can deliver particularly accurate results. Influencing factors caused by learning on unknown / undefined / arbitrary floor coverings etc. can be reduced or eliminated.
  • control regulation contains at least two or at least three working modes, with different blower powers being assigned to each working mode.
  • additional operating parameters of the basic device or the entire vacuum cleaner such as: B. Brush power, speed of motors, switching light sources on/off, delivery of Cleaning agents or the like assigned.
  • a current working mode for operating the basic device is determined based on an allocation rule from the current characteristic value and the reference value.
  • the working modes correspond, for example, to the floor types A, B or C mentioned above or to the operating parameters of the vacuum cleaner assigned to them, which are tailored to the specific floors. Based on the current characteristic value, the actually processed soil or object is classified into one of the working modes of the basic device, so that the corresponding processing with the relevant working mode is carried out as well as possible adapted to the current soil or the current object.
  • a range of characteristic values is selected for each of the working modes in the assignment rule.
  • the ranges are selected depending on the currently applicable reference value.
  • the currently applicable reference value is the one that was set in the last successful teach-in operation.
  • the range limits / centers / sizes etc. depend on the reference value or are parameterized by it as a parameter.
  • the current working mode is then selected in the range of which the current characteristic value lies.
  • the assignment rule therefore assigns a range of characteristic values to each of the working modes, the ranges being selected depending on the current reference value.
  • the working mode in which the current characteristic value lies is selected.
  • the division into different areas is particularly easy to implement; this has already been shown above as an example for the three areas A, B and C.
  • a further variant of this embodiment assumes that the characteristic value and reference value are equally correlated with the operating current, e.g. B. in that both the characteristic value and the reference value are values of the motor current of the brush motor.
  • the assignment rule then contains a first range for characteristic values that correspond to the reference value plus a first tolerance range (around the characteristic value). This is e.g. B. the above-mentioned range from 0.5 * KW to 1.5 * KW, ie here a tolerance range of 50% of the KW around the value of the KW.
  • the assignment rule then contains further areas for characteristic values that correspond to a respective one (also non-integer) multiples of the reference value plus a respective tolerance range.
  • area B is selected with 2.5 times the characteristic value and a tolerance range of 50% of the KW and area C with 4.5 times the KW plus/minus 50% of the KW.
  • a shift in the operating points for the three above-mentioned soil types caused by a nozzle change, aging, the installation of additional options such as permanent lighting with a modified replacement nozzle, etc. is compensated for by a change in the reference value.
  • the areas are z. B. shifted, scaled, changed, etc. depending on the reference value.
  • a quantity proportional to the instantaneous operating current is recorded as a characteristic value.
  • “Proportional” is to be understood here in the sense of linear, quadratic or another power, possibly multiplied by a factor. This size is in particular the current strength of the operating current or its power, possibly scaled by a factor. The “size” can certainly be averaged, subjected to windowing, etc. Such characteristic values are particularly easy to record. However, this variant excludes a temporal derivation of a variable or the recording of characteristics of a time course of the parameter.
  • a variable correlated with a change in the operating current over time is recorded as a characteristic value.
  • Characteristic values are now recorded here, e.g. B. depict a time course or a time derivative of the operating current. Such characteristic values are particularly suitable for implementing the above-mentioned embodiments with regard to the dynamics of the current, etc. In particular, however, the absolute level of the characteristic value is also taken into account.
  • the characteristic value is therefore monitored as an assignment rule based on a currently selected working mode.
  • a change is made to another working mode when the characteristic value or a sum formed from it exceeds a change threshold.
  • the absolute value does not play any role.
  • the absolute value is taken into account, but in particular only plays a role still a subordinate role. In this respect, the corresponding method is less sensitive to errors.
  • the object of the invention is also achieved by a basic device according to claim 12 of a vacuum cleaner.
  • the basic device includes a suction nozzle for connection to a motor nozzle of the vacuum cleaner.
  • the invention assumes that the motor nozzle contains a brush motor and a cleaning brush driven by it (during operation). In other words, the invention relates to such intended engine nozzles.
  • the basic device contains an electrical interface for the motor nozzle in order to supply at least its brush motor with electrical energy from the basic device.
  • the basic device also contains a fan driven by a blower motor for sucking in suction air through the suction nozzle, and thus also through a motor nozzle that is attached as intended.
  • the basic device also contains a central unit for carrying out the method according to the invention.
  • the special feature of the invention lies in the fact that further properties of the engine nozzle do not have to be known. All (even unknown) influencing factors on their suction behavior / power consumption are currently recorded in the reference value and are determined by the reference operating mode, e.g. B. air operation / operation on a reference floor, transferred to the current operating mode, in particular the floors to be worked.
  • the reference operating mode e.g. B. air operation / operation on a reference floor
  • the object of the invention is also achieved by a vacuum cleaner, with a basic device according to the invention and the motor nozzle.
  • FIG 1 shows a highly schematic representation of an electric vacuum cleaner 2 in the form of a household vacuum cleaner.
  • the vacuum cleaner 2 draws its electrical energy for operation from a rechargeable power storage device 4, here an electric accumulator.
  • the vacuum cleaner 2 contains a basic device 6 and a motor nozzle 8 that is attached to it but is removable and replaceable. Various nozzles, in particular motor nozzles 8, can therefore be attached and operated on the basic device 6.
  • the power storage 4 is arranged in the basic device 6.
  • the basic device 6 has a suction nozzle 10 for attaching the motor nozzle 8.
  • the motor nozzle 8 contains a brush motor 12. This is used to operate a cleaning brush 14.
  • the basic device 6 has an electrical interface 16. This serves to supply the motor nozzle 8 from the basic device 6, in this case from the power storage 4, with electrical energy 18, here symbolically indicated only by an arrow.
  • the basic device 6 also contains a blower motor 20, which is also supplied with electrical energy 18 from the power storage 4.
  • the blower motor 20 is used to drive a blower 22, which in turn fulfills the core task of the vacuum cleaner 2, namely the suction of suction air 24 from outside the vacuum cleaner 2, here from a floor 25, here a carpet, through the motor nozzle 8 and the suction nozzle 10 in the basic device 6 when operating the vacuum cleaner 2.
  • the brush motor 12 also works and drives the cleaning brush 14, which z. B. combs out dirt from the floor 25 or carpet in order to then suck it out with the help of the suction air 24.
  • FIG. 1 Also symbolically represented is an electrical brush current IÜ, which is received by the brush motor 12 during operation and is therefore provided from the basic device 6 via the interface 16. Also shown is an electrical blower power LG, which is absorbed from the power storage 4 by the blower motor 20 during operation.
  • the basic device 6 also contains an input element 26, here a button, and a communication means 28, here an indicator light.
  • the central unit 30 is in particular set up to carry out the method explained below.
  • FIG. 2 shows a block diagram of the procedure in question. After switching on the vacuum cleaner 2, it is in normal operation BN. Basically, the blower motor 20 and brush motor 12 are operated electrically in order to vacuum floors such as the floor 25 or other objects, such as car seats, using the vacuum cleaner 2 by passing over them with the motor nozzle 8. A further explanation of normal operation BN is given below.
  • Actuation of the input element 26 represents a teach-in event EE.
  • the teach-in event EE triggers a teach-in signal SE. Due to the teach-in signal SE, the vacuum cleaner 2 or the basic device 6 changes from normal mode BN to teach-in mode BE.
  • the user is now signaled via the communication means 28 that the basic device 6 is currently in teach-in mode BE.
  • the communication means 28, here a display element that only lights up in teach-in mode BE, symbolically represents the basic device, which is to be placed on a hard floor and operated on it in a target operating state BS. This symbol reminds the user of the corresponding target operating state BS (working on a hard floor), in which the basic device 6 is to be operated as intended in teach-in mode BE.
  • a current characteristic value WKA correlated with an operating current IB of the basic device 6 is recorded.
  • the current that flows from the basic device 6 via the interface 16 is selected as the operating current IB.
  • the operating current IB corresponds to the brush current IÜ.
  • the current characteristic value In the example, WKA is the current strength of the operating current IB.
  • the currently recorded characteristic value WKA is therefore the current strength (in amperes) of the brush current IÜ recorded by the brush motor 12 at the moment of the teach-in mode BE.
  • a reference value WR correlated with the operating current IB is now determined from the current characteristic value WKA using a teach-in criterion KE. In the example, this is simply the currently recorded characteristic value WKA itself.
  • the successful determination of the reference value WR represents an end signal SN for the teach-in mode BE, so that the basic device 6 now returns to normal operation BN.
  • the basic device 6 has a control regulation VS.
  • a current characteristic value WKA is now recorded again, as described above.
  • the control regulation VS now determines a current blower power LG from the current characteristic value WKA and the reference value WR (taken from the teach-in mode BE, indicated by dashed lines), with which the blower motor 20 is now operated.
  • the blower power LG is constantly adapted to the real suction conditions based on the control regulation VS, e.g. B. if the current WKA characteristic value changes. Due to the dependence on the reference value WR, the blower power LG is also adapted to the configuration or the state of the vacuum cleaner 2 at the time of the last teach-in operation BE.
  • Fig. 3 shows the tax regulation VS in detail.
  • This contains three working modes MA1-3, each of which is assigned a fan power LG1-3.
  • An assignment rule VZ assigns each currently determined characteristic value WKA, taking into account the reference value WR one of the working modes MA1-3.
  • the blower motor 20 is then operated with the respective blower power LG1-3.
  • the blower powers LG1-3 are selected so that favorable conditions arise for the vacuum cleaner 2 for the respective operating modes MA1-3, e.g. B. a power that is chosen as low as possible in order to ensure a good suction result and to ensure as low energy consumption as possible.
  • the allocation rule VZ (in Fig. 3 shown in detail, as indicated by dashed lines) works according to the following principle: Areas B1-3 of characteristic values or current characteristic values WKA are assigned to the working modes MA1-3. The assignment is made depending on the reference value WR or does the reference value WR determine a parameter for defining the range limits (indicated by the arrows in Fig. 3 ).
  • the range B1 is defined, ie the working mode MA1 and thus the fan power LG1 is selected.
  • the range B2 or working mode MA2 and thus the fan power LG2 is selected.
  • For current characteristic values WKA RW * 4 to RW * 5, the range B3 and thus the working mode MA3 and thus the fan power LG3 are selected.
  • Area B1 is assigned to the reference value WR plus a tolerance range TB1 of +/-0.5 RW.
  • Area B2 is assigned to the multiple of 2.5 of the RW with a tolerance range TB2 of +/- 0.5 RW, area 3 to the multiple of 4.5 of the RW with a tolerance range TB3 of +/- 0.5 RW.
  • Fig. 4 shows a curve over time t when vacuum cleaner 2 vacuums three types of floor AC in a row.
  • floor type A "hard floor", here a wooden floor
  • floor type B "short pile carpet”
  • floor type C long pile carpet
  • the working modes MA1 to MA3 were selected Fig. 3 designed or the corresponding WKA characteristics, here currents or current ranges corresponding to I1 to I3 Fig. 4 assigned.
  • the reference current was used Fig. 4 standardized in the form of the reference value WR for soil type A (abscissa: current I / reference current WR).
  • the areas B1-3 are therefore changed by changing a newly learned reference value WR Fig. 3 is shifted along with its change, so the areas B1-3 are adjusted, depending on the result of the teach-in process, i.e. depending on the value of the reference value WR.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Claims (13)

  1. Procédé de fonctionnement d'un appareil de base (6) d'un aspirateur (2), dans lequel l'appareil de base (6) comprend :
    - une tubulure d'aspiration (10) à relier à un suceur motorisé (8) de l'aspirateur (2), dans lequel le suceur motorisé (8) comprend un moteur de brosse (12) et une brosse de nettoyage (14) entraînée par celui-ci,
    - une interface électrique (16) pour le suceur motorisé (8), pour alimenter au moins le moteur de brosse (12) de celui-ci avec de l'énergie électrique (18) à partir de l'appareil de base (6),
    - un ventilateur (22) entraîné par un moteur de ventilateur (20) pour aspirer de l'air d'aspiration (24) à travers la tubulure d'aspiration (10),
    caractérisé en ce que
    - l'appareil de base (6) est actionné normalement en mode de fonctionnement normal (BN) et est actionné suite à un signal d'apprentissage (SE) déclenché par un événement d'apprentissage (EE) dans un mode d'apprentissage (BE) dans un mode de fonctionnement de référence (BR),
    - en mode apprentissage (BE), une valeur caractéristique courante (WKA) corrélée avec un courant de fonctionnement instantané (IB) de l'appareil de base (6) est enregistrée,
    - et sur la base d'un critère d'apprentissage (KE), une valeur de référence (WR) est déterminée pour la valeur caractéristique enregistrée (WKA),
    - le mode d'apprentissage prend fin sur un signal de fin (SN) et bascule dans le mode de fonctionnement normal (BN),
    - dans le mode de fonctionnement normal (BN), la valeur caractéristique courante (WKA) pour le courant de fonctionnement (IB) instantané est enregistrée,
    - et une puissance de ventilateur courante (LG1-3) à laquelle le moteur de ventilateur est actionné (20) est déterminée sur la base d'une consigne de commande (VS) à partir de la valeur caractéristique courante (WKA) et de la valeur de référence (WR).
  2. Procédé selon la revendication 1, caractérisé en ce que l'évènement d'apprentissage (EE) est généré par l'actionnement d'un élément d'entrée (26) par un utilisateur de l'appareil de base (6), dans lequel l'élément d'entrée (26) est actionné sur l'appareil de base (6) ou à distance de celui-ci sur un objet connecté en communication avec l'appareil de base (6).
  3. Procédé selon la revendication 1, caractérisé en ce que l'évènement d'apprentissage (EE) n'est pas produit par un actionnement d'un élément d'entrée (26) par un utilisateur de l'appareil de base (6).
  4. Procédé selon la revendication 3, caractérisé en ce que l'évènement d'apprentissage (EE) est produit par une mise en marche de l'appareil de base (6) et/ou par un changement du suceur motorisé (8).
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'avant ou dans le mode d'apprentissage (BE), au moins un signal est indiqué à un utilisateur de l'appareil de base (6) par le biais d'un moyen de communication (28) concernant le mode de fonctionnement de référence (BR) de l'appareil de base (6) pour le mode d'apprentissage (BE), dans lequel l'appareil de base (6) est à actionner en mode d'apprentissage (BE).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que la consigne de commande (VS) comprend au moins deux ou au moins trois modes de travail (MA1-3), dans lequel des puissances de ventilateur (LG1-3) différentes sont affectées à chaque mode de travail (MA1-3) et un mode de travail courant (MA1-3) pour actionner l'appareil de base (6) est déterminé sur la base d'une consigne d'affectation (VZ) à partir de la valeur caractéristique courante (WKA) et de la valeur de référence (WR).
  7. Procédé selon la revendication 6, caractérisé en ce que dans la consigne d'affectation (VZ), une plage (B1-3) de valeurs caractéristiques (WKA) est sélectionnée pour chacun des modes de travail (MA1-3) et les plages (B1-3) sont sélectionnées respectivement en fonction de la valeur de référence (WR) instantanément en vigueur, et d'après la consigne d'affectation (VZ), le mode de travail (MA1-3) sélectionné est celui dans lequel la plage (B1-3) correspondant à la valeur caractéristique courante (WKA) se situe.
  8. Procédé selon la revendication 7, caractérisé en ce que la valeur caractéristique courante (WKA) et la valeur de référence (WR) sont corrélées de la même manière avec le courant de fonctionnement (IB) et la consigne d'affectation (VZ) contient une première plage (B1) pour des valeurs caractéristiques, qui correspondent à la valeur de référence (WR) assortie d'une première plage de tolérance (TB1), et la consigne d'affectation (VZ) contient des plages supplémentaires (B2-3) pour des valeurs caractéristiques (WKA), qui correspondent à un multiple respectif de la valeur de référence (WR) assorti d'une plage de tolérance respective (TB2-3).
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce qu'à titre de valeur caractéristique (WKA), une grandeur proportionnelle au courant de fonctionnement (IB) instantané est détectée.
  10. Procédé selon l'une des revendications 1 à 8, caractérisé en ce qu'à titre de valeur caractéristique (WKA), une grandeur corrélée à une variation du courant de fonctionnement (IB) en fonction du temps (t) est détectée.
  11. Procédé selon la revendication 10, caractérisé en ce qu'à titre de consigne d'affectation (VZ), en partant d'un mode de travail (MA1-3) sélectionné couramment, la valeur caractéristique (WKA) est surveillée et est changée dans un autre mode de travail (MA1-3) lorsque la valeur caractéristique (WKA) ou une autre valeur de somme formée à partir de celle-ci dépasse un seuil de changement.
  12. Appareil de base (6) d'un aspirateur (2), comprenant :
    - une tubulure d'aspiration (10) à relier à un suceur motorisé (8) de l'aspirateur (2),
    dans lequel le suceur motorisé (8) comprend un moteur de brosse (8) et une brosse de nettoyage (12) entraînée par celui-ci,
    - une interface électrique (16) pour le suceur motorisé (12), pour alimenter au moins le moteur de brosse (12) de celui-ci avec de l'énergie électrique (18) à partir de l'appareil de base (6),
    - un ventilateur (22) entraîné par un moteur de ventilateur (20) pour aspirer de l'air d'aspiration (24) à travers la tubulure d'aspiration (10), et
    - comprenant une unité centrale (30) permettant d'exécuter un procédé selon l'une des revendications précédentes.
  13. Aspirateur (2), comprenant un appareil de base (6) selon la revendication 12 et le suceur motorisé (8).
EP21215892.7A 2021-01-18 2021-12-20 Fonction d'apprentissage pour aspirateurs pourvus d'injecteurs moteur Active EP4029423B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021200388.5A DE102021200388B4 (de) 2021-01-18 2021-01-18 Einlernfunktion für Staubsauger mit Motordüsen

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EP4029423B1 true EP4029423B1 (fr) 2023-11-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255409A (en) 1990-07-18 1993-10-26 Sanyo Electric Co., Ltd. Electric vacuum cleaner having an electric blower driven in accordance with the conditions of floor surfaces
DE10261788B3 (de) * 2002-12-23 2004-01-22 Alfred Kärcher Gmbh & Co. Kg Mobiles Bodenbearbeitungsgerät
DE102004014252A1 (de) 2003-12-06 2005-06-30 Vorwerk & Co. Interholding Gmbh Verfahren zum Betreiben eines Staubsaugers mit einer Saugdüse sowie Staubsauger mit einer Saugdüse
DE102004010827B4 (de) 2004-02-27 2006-01-05 Alfred Kärcher Gmbh & Co. Kg Bodenbearbeitungsgerät und Verfahren zu dessen Steuerung
DE102007011381B3 (de) * 2007-03-07 2008-05-15 Miele & Cie. Kg Verfahren zur Erkennung eines Bodenbelages

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DE102021200388B4 (de) 2023-09-28
EP4029423A1 (fr) 2022-07-20

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