EP3643215A1 - Procédé et dispositif de détection d'un type de brosse motorisée pour un aspirateur, procédé et dispositif de fonctionnement d'un aspirateur, brosse motorisée pour un aspirateur et aspirateur - Google Patents

Procédé et dispositif de détection d'un type de brosse motorisée pour un aspirateur, procédé et dispositif de fonctionnement d'un aspirateur, brosse motorisée pour un aspirateur et aspirateur Download PDF

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Publication number
EP3643215A1
EP3643215A1 EP19199501.8A EP19199501A EP3643215A1 EP 3643215 A1 EP3643215 A1 EP 3643215A1 EP 19199501 A EP19199501 A EP 19199501A EP 3643215 A1 EP3643215 A1 EP 3643215A1
Authority
EP
European Patent Office
Prior art keywords
brush
motor
vacuum cleaner
signal
characteristic
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
Application number
EP19199501.8A
Other languages
German (de)
English (en)
Other versions
EP3643215B1 (fr
Inventor
Tobias Rodehüser
Alexander Neufeld
Dennis Walfort
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=68069515&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3643215(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3643215A1 publication Critical patent/EP3643215A1/fr
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Publication of EP3643215B1 publication Critical patent/EP3643215B1/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
    • 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
    • A47L9/2847—Surface treating elements

Definitions

  • the invention relates to a method and a device for recognizing a type of a motor-operated brush for a vacuum cleaner, a method and a device for operating a vacuum cleaner having a motor-operated brush, a motor-operated brush for a vacuum cleaner and a vacuum cleaner.
  • a vacuum cleaner can have one or more motor-operated brushes.
  • the brush can be designed for operation on a specific surface, for example for a hard floor, a carpet or for upholstered furniture. To operate the brush, it can be recognized whether the brush is connected to the vacuum cleaner.
  • the object of the invention is to provide an improved method and an improved device for recognizing a type of motor-operated brush for a vacuum cleaner, an improved method and an improved device for operating a vacuum cleaner having a motor-operated brush, an improved motor-operated brush for a vacuum cleaner and an improved one To create vacuum cleaners.
  • this object is achieved by a method and a device for recognizing a type of a motor-driven brush for a vacuum cleaner, a method and a device for operating a vacuum cleaner having a motor-operated brush, a motor-operated brush for a vacuum cleaner and a vacuum cleaner with the steps or features of the main claims solved.
  • the advantages achievable with the invention consist in the fact that a type of a motor-operated brush can be recognized in order to be able to set a regulation of the brush depending on the recognized type. This is advantageous in order to influence the cleaning result of the brush through the regulation.
  • the brush can have a motor and a signal modifier connected in series with the motor.
  • the type of the brush can be identified by means of an electrical signal which is provided to the motor and passed on to the signal modifier.
  • the inductance of the signal modifier can also advantageously increase the electromagnetic compatibility of the brush and thus of the vacuum cleaner.
  • the approach described here can advantageously be implemented inexpensively.
  • a method of recognizing a type of motorized brush for a vacuum cleaner is presented.
  • the brush has a first electrical contact, a second electrical contact and a series circuit, connected between the first electrical contact and the second electrical contact, comprising at least one signal modifier and a motor.
  • the method has at least one step of providing, one step of reading in, one step of determining and one step of determining.
  • an excitation signal with an excitation characteristic is provided to an interface to the first contact.
  • a measurement signal is read in at an interface to the second contact.
  • a characteristic signal indicating a characteristic of the measurement signal is determined.
  • the type of the brush is determined using the characteristic signal.
  • the vacuum cleaner can be, for example, a handheld vacuum cleaner or a vacuum robot.
  • the vacuum cleaner can, for example, comprise a rechargeable energy store and can be designed as a battery vacuum cleaner.
  • the brush can be understood to mean, for example, a floor brush of the vacuum cleaner.
  • the motor can be a DC motor, for example a brushless DC motor or a PMDC motor.
  • the excitation signal can be an electrical signal.
  • the excitation characteristic can, for example, map a voltage pulse.
  • the measurement signal can also be an electrical signal.
  • the characteristic of the measurement signal can be, for example, a step response of the current.
  • the brush can be recognized on the basis of the characteristic of the measurement signal and the type of brush can be assigned.
  • a coil or a circuit element can function as a signal modifier.
  • the signal modifier is designed to change a characteristic of the measurement signal.
  • the signal modifier is designed to modify an amplitude and / or a time constant of the measurement signal.
  • the type of brush can be determined in the step of determining using an assignment table and the characteristic signal.
  • the assignment table can depict a relationship between different characteristics of the measurement signal and different types of brush.
  • different brushes with similar motors can thus be distinguished from one another and the type of brush can be reliably recognized.
  • the excitation characteristic in the step of providing, can be a rectangular pulse.
  • the measurement signal can be read in as a step response of the rectangular pulse.
  • the rectangular pulse can be, for example, a voltage pulse. Such a rectangular pulse is particularly suitable for effecting a meaningful step response.
  • the excitation characteristic can also be a triangular signal or a sinusoidal signal in the step of providing.
  • an amplitude can be determined as a characteristic of the measurement signal. Additionally or alternatively, a time course of the measurement signal can be determined as a characteristic.
  • the brush can be recognized particularly easily in this way.
  • a detection signal can be provided that represents the determined type of brush.
  • the detection signal can advantageously be used to control the brush, for example to regulate a specific function of the brush or to set a power of the brush.
  • a method for operating a vacuum cleaner having a motor-operated brush has at least one step of performing and one step of providing.
  • the steps of one embodiment of the above method are performed to identify a type of motorized brush for the vacuum cleaner.
  • the excitation signal is provided with an operating characteristic for operating the motor of the brush using the type of the motor-operated brush at the interface to the first contact.
  • the brush can thus be operated by means of the vacuum cleaner, the operation of the vacuum cleaner taking into account the detected brush, for example in order to set an output of the motor or the brush depending on the type of brush. This is advantageous in order to adapt a cleaning performance of the brush according to the type of brush, which is advantageous in relation to the cleaning performance of the vacuum cleaner.
  • the approach presented here also creates a device which is designed to carry out, control or implement the steps of a variant of a method presented here in corresponding devices.
  • This embodiment variant of the invention in the form of a device can also be used to quickly and efficiently achieve the object on which the invention is based.
  • the device can be designed to read input signals and to determine and provide output signals using the input signals.
  • An input signal can represent, for example, a sensor signal that can be read in via an input interface of the device.
  • An output signal can represent a control signal or a data signal that can be provided at an output interface of the device.
  • the device can be designed to determine the output signals using a processing rule implemented in hardware or software.
  • the device can comprise a logic circuit, an integrated circuit or a software module and can be implemented, for example, as a discrete component or can be comprised by a discrete component.
  • a motor-operated brush for a vacuum cleaner is also presented.
  • the brush has a first electrical contact, a second electrical contact, a series circuit connected between the first electrical contact and the second electrical contact with at least one coil or other circuit elements as signal modifiers and a motor for driving the brush.
  • a computer program product or computer program with program code which can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory, is also advantageous. If the program product or program is executed on a computer or a device, the program product or program can be used to carry out, implement and / or control the steps of the method according to one of the embodiments described above.
  • Figure 1 shows a schematic representation of a vacuum cleaner 100 with a motor-operated brush 105 and with a device 110 for recognizing a type of a motor-operated brush 105 for the vacuum cleaner 100 according to an exemplary embodiment.
  • the motor-operated brush 105 comprises a first electrical contact 115, a second electrical contact 120 and a series circuit, connected between the first electrical contact 115 and the second electrical contact 120, comprising at least one coil 125 and a motor 130 for driving the brush 105.
  • the device 110 comprises a provision device 135, a determination device 140 and a determination device 145.
  • the determination device 140 can also be designed as a measuring unit.
  • the provision device 140 is designed to provide an excitation signal 150 with an excitation characteristic to an interface to the first contact 115.
  • the device 110 is designed to read in a measurement signal 155 at an interface to the second contact 120.
  • the determination device 140 is designed to determine a characteristic signal 160 indicating a characteristic of the measurement signal 155.
  • the determination device 145 is designed to determine the type of the brush 105 using the characteristic signal 160.
  • the determination device 145 is designed to determine the type of the brush 105 using an assignment table and the characteristic signal 160.
  • the assignment table shows a relationship between different characteristics of the measurement signal 155 and different types of brush 105.
  • the excitation characteristic of the excitation signal 150 is a rectangular pulse.
  • a rectangular pulse is exemplified in Figure 3 shown.
  • the device 110 is designed to read in the measurement signal 155 as a step response of the rectangular pulse.
  • Such a step response is exemplified in Figure 6 shown.
  • the determination device 140 is also designed to determine an amplitude of the measurement signal 155 as the characteristic. Additionally or alternatively, the determination device 140 is designed to determine a time profile of the measurement signal 155 as the characteristic. For this purpose, the determination device 140 can be designed to carry out a suitable evaluation of the measurement signal 155.
  • the determination device 145 is designed to provide a detection signal 165 which represents the determined type of the brush 105.
  • the device 110 is also designed to operate the vacuum cleaner 100 having the motor-operated brush 105.
  • the type of motor-operated brush 105 is first recognized.
  • the detection signal 165 representing the determined type of brush 105 is provided to the provision device 135 according to the exemplary embodiment shown here.
  • the provision device 135 is designed to provide the excitation signal 150 with an operating characteristic for operating the motor 120 of the brush 105 to the interface to the first contact 115 using the type of the motor-operated brush 105.
  • the operating characteristic defines, for example, a profile of an operating voltage for operating the motor 120.
  • the device 110 it is possible to recognize different motor-operated brushes 105 in a vacuum cleaner 100. This is advantageous in order to achieve a good cleaning result by regulating the brush 105.
  • the different brushes 105 are recognized by means of the device 110 and can therefore be distinguished from the vacuum cleaner 100 in order to provide a control parameter or an entire control structure corresponding to the type of Switch brush 105. This is possible by using the series connection with the coil 125, even if the motors 130 of the different brushes 105 are similar in structure and parameters.
  • a short pulse on the floor brush contacts of the brush 105 and a measurement of the current optionally detects whether the brush 105 is connected to the vacuum cleaner 100 before the brush 105 is activated.
  • the series connection of the motor 130 with the coil 125 makes it possible to change the excitation characteristic of the excitation signal 150 from a voltage pulse to a step response of the current.
  • the determination device 140 optionally evaluates the amount of current in the step response, and additionally or alternatively the time course of the step response.
  • the advantage of using a series inductance by means of the series connection of the motor 130 and the coil 125 is that only one additional component in the form of the coil 125, which is also passive, is used to realize the detection of the brush 105.
  • the brush 105 is in operation, only the ohmic resistance of the inductance acts, so that the losses are kept low.
  • the additional inductance in brushes 105 that are not used as standard or rarely, e.g. into an upholstery brush to keep the losses and costs of the standard brush low.
  • the inductance of the coil 125 can contribute to interference suppression with regard to the electromagnetic compatibility of the brush 105 and thus of the vacuum cleaner 100. Additional components such as cost-intensive ferrites to reduce interference are then advantageously not required.
  • FIG Figure 2 shows a circuit diagram of a vacuum cleaner 100 according to an embodiment.
  • the vacuum cleaner 100 of the circuit diagram shown here is similar or corresponds to that based on FIG Figure 1 described vacuum cleaner.
  • the vacuum cleaner 100 includes the determination device 140, which is designed here as a shunt for current measurement.
  • the vacuum cleaner comprises a battery 205, for example a rechargeable battery, an intermediate circuit capacitor 210, a first switch 215 and a second switch 220.
  • the first switch 215 and the second switch 220 are here, for example, as metal-oxide-semiconductor field-effect transistors, as MOSFETs Power electronics, executed.
  • the battery 205 has a first connection, here for example the positive pole, which is connected to a first connection of the intermediate circuit capacitor 210 and to the first connection of the first switch 215 is connected.
  • a second connection of the first switch 215 is connected to a first connection of the second switch 220.
  • the second terminal of the first switch 215 is connected to a first terminal of the motor 130, and a second terminal of the motor is connected to a first terminal of the coil 125.
  • a second connection of the coil 125 is connected to a first connection of the shunt of the determination device 140, and a second connection of the shunt of the determination device 140 is connected to a second connection of the second switch 220, a second connection of the intermediate circuit capacitor 210 and to a second connection of the battery 205, the negative pole.
  • the excitation signal is first provided as an electrical signal for detecting a type of brush and then as an electrical signal for driving the motor 130 by means of the battery 205 and a suitable actuation of the switches 215, 220. If the excitation signal is provided as an electrical signal for recognizing the type of the brush, the measurement signal is detected and provided using the determination device 140.
  • FIG. 13 shows a characteristic of an excitation signal 150 for recognizing a type of a motor-operated brush for a vacuum cleaner according to an exemplary embodiment.
  • the characteristic curve shows an example of an excitation characteristic of the excitation signal 150.
  • the excitation characteristic is shown here as a square-wave pulse and represents a voltage pulse. According to one exemplary embodiment, the excitation signal 150 is not suitable for driving the motor of the brush due to the excitation characteristic.
  • Figure 4 shows a characteristic curve of a measurement signal 155 for recognizing a type of a motor-operated brush for a vacuum cleaner according to an exemplary embodiment.
  • a characteristic of the measurement signal 155 is shown by way of example, which is characterized by the in Figure 3 shown excitation signal is effected.
  • the characteristic shown here is an example of the measurement signal 155 as an electrical signal when the brush is motor-driven but has no coil.
  • the measurement signal 150 exhibits a steep increase up to a first amplitude and then a flatter decrease.
  • Figure 5 shows accordingly Figure 4 a further characteristic curve of a measurement signal 155 for recognizing a further type of a motor-operated brush for a vacuum cleaner according to an exemplary embodiment.
  • the characteristic of the measurement signal 155 shown here is similar to that in the aforementioned Figure 4 shown characteristic, since here the characteristic for the measurement signal 155 is shown as an electrical signal of a motor-operated brush without a coil with a very similar motor as the brush of the previous figure.
  • the measurement signal 150 likewise has a steep rise to one second amplitude and then a flatter drop. The second amplitude is slightly larger than the first amplitude of the in Figure 4 shown measurement signal.
  • Figure 6 shows a characteristic curve of a measurement signal 155 for recognizing a type of a motor-operated brush for a vacuum cleaner according to an exemplary embodiment.
  • a characteristic of the measurement signal 155 is shown by way of example as an electrical signal for the motor-operated brush with additional inductance, that is to say for the series connection of the motor and the coil.
  • the characteristic of the measurement signal 155 shown here differs significantly from that in FIGS Figures 4 and 5 Characteristics shown, since the coil causes a change in the characteristic, which is advantageous for recognizing the type of brush.
  • the measurement signal 150 has a characteristic in comparison with that in FIGS Figures 4 and 5 Characteristics shown a slightly flatter rise to a third amplitude, which is exemplary only about a quarter of the size of the amplitudes in the Figures 4 and 5 characteristics shown. Then the characteristic shows a very elongated flat drop. As an example, the waste extends over a period of time that is approximately four times as long as the corresponding periods of time in the Figures 4 and 5 shown characteristics.
  • FIG. 10 shows a flow diagram of a method 700 for recognizing a type of a motor-operated brush for a vacuum cleaner according to an exemplary embodiment.
  • the brush comprises a first electrical contact, a second electrical contact and a series circuit, connected between the first electrical contact and the second electrical contact, comprising at least one coil and a motor.
  • the method 700 has a step 705 of providing, a step 710 of reading in, a step 715 of determining and a step 720 of determining.
  • an excitation signal with an excitation characteristic is provided to an interface to the first contact.
  • a measurement signal is read in at an interface to the second contact.
  • a characteristic signal indicating a characteristic of the measurement signal is determined.
  • the type of the brush is determined using the characteristic signal.
  • FIG. 5 shows a flow diagram of a method 800 for operating a vacuum cleaner having a motor-operated brush according to an exemplary embodiment.
  • the method 800 has at least one step 805 of performing and one step 810 of providing.
  • step 805 of performing the steps become one Embodiment of the above-mentioned method for recognizing a type of a motor-operated brush for a vacuum cleaner.
  • step 810 of providing using the type of motorized brush, the excitation signal is provided with an operating characteristic for operating the motor of the brush at the interface to the first contact.
  • an embodiment includes a "and / or" link between a first feature and a second feature, it should be read in such a way that the embodiment according to one embodiment includes both the first feature and the second feature and according to a further embodiment either only that has the first feature or only the second feature.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP19199501.8A 2018-10-22 2019-09-25 Procédé et dispositif de détection d'un type de brosse motorisée pour un aspirateur, procédé et dispositif de fonctionnement d'un aspirateur, brosse motorisée pour un aspirateur et aspirateur Active EP3643215B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018126138.1A DE102018126138A1 (de) 2018-10-22 2018-10-22 Verfahren und Vorrichtung zum Erkennen eines Typs einer motorbetriebenen Bürste für einen Staubsauger, Verfahren und Vorrichtung zum Betreiben eines Staubsaugers, motorbetriebene Bürste für einen Staubsauger und Staubsauger

Publications (2)

Publication Number Publication Date
EP3643215A1 true EP3643215A1 (fr) 2020-04-29
EP3643215B1 EP3643215B1 (fr) 2022-06-22

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EP19199501.8A Active EP3643215B1 (fr) 2018-10-22 2019-09-25 Procédé et dispositif de détection d'un type de brosse motorisée pour un aspirateur, procédé et dispositif de fonctionnement d'un aspirateur, brosse motorisée pour un aspirateur et aspirateur

Country Status (2)

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EP (1) EP3643215B1 (fr)
DE (1) DE102018126138A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021113488A1 (de) 2021-05-26 2022-12-01 Miele & Cie. Kg Bodendüse für Staubsauger, Staubsauger, Bürstenwalzenset und Verfahren zum Betreiben eines Staubsaugers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020129053A1 (de) 2020-11-04 2022-05-05 Miele & Cie. Kg Bodenpflegegerät mit Zubehörerkennung

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DE2814729A1 (de) * 1978-04-05 1979-10-11 Siemens Ag Staubsauger mit einem drehzahlsteuerbaren geblaeseaggregat
US20070157418A1 (en) * 2006-01-06 2007-07-12 The Scott Fetzer Company Upright vacuum cleaner with removable power head

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EP0458057B1 (fr) 1990-04-16 1995-02-01 Hitachi, Ltd. Méthode d'opération d'un aspirateur de poussières
PT853917E (pt) 1997-01-21 2003-01-31 Vorwerk Co Interholding Aspirador de po accionado por um motor electrico particularmente um sistema de aspirador de po
DE19813434A1 (de) 1998-03-27 1999-09-30 Proair Geraetebau Gmbh Naßsauger
CA2306531C (fr) * 1999-10-15 2011-07-12 Wayne Ernest Conrad Methode et appareil de transmission de puissance a un systeme mecanique ou electrique
JP2001157655A (ja) 1999-12-02 2001-06-12 Matsushita Electric Ind Co Ltd 電気掃除機
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JP2003164399A (ja) 2001-11-30 2003-06-10 Matsushita Electric Ind Co Ltd 電気掃除機
JP2003169770A (ja) 2001-12-05 2003-06-17 Matsushita Electric Ind Co Ltd 電気掃除機
US7599758B2 (en) 2003-09-19 2009-10-06 Royal Appliance Mfg. Co. Sensors and associated methods for controlling a vacuum cleaner
WO2008032576A1 (fr) 2006-09-11 2008-03-20 Panasonic Corporation Appareil de nettoyage électrique
JP2011010743A (ja) 2009-06-30 2011-01-20 Toshiba Corp 電気掃除機
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DE2814729A1 (de) * 1978-04-05 1979-10-11 Siemens Ag Staubsauger mit einem drehzahlsteuerbaren geblaeseaggregat
US20070157418A1 (en) * 2006-01-06 2007-07-12 The Scott Fetzer Company Upright vacuum cleaner with removable power head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021113488A1 (de) 2021-05-26 2022-12-01 Miele & Cie. Kg Bodendüse für Staubsauger, Staubsauger, Bürstenwalzenset und Verfahren zum Betreiben eines Staubsaugers
EP4098166A1 (fr) 2021-05-26 2022-12-07 Miele & Cie. KG Buse pour sol pour aspirateurs, aspirateur, ensemble de brosses rotatives et procédé permettant de faire fonctionner un aspirateur

Also Published As

Publication number Publication date
EP3643215B1 (fr) 2022-06-22
DE102018126138A1 (de) 2020-04-23

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