WO2024068164A1 - Procédé et dispositif de commande pour faire fonctionner un appareil de nettoyage et appareil de nettoyage - Google Patents

Procédé et dispositif de commande pour faire fonctionner un appareil de nettoyage et appareil de nettoyage Download PDF

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Publication number
WO2024068164A1
WO2024068164A1 PCT/EP2023/073686 EP2023073686W WO2024068164A1 WO 2024068164 A1 WO2024068164 A1 WO 2024068164A1 EP 2023073686 W EP2023073686 W EP 2023073686W WO 2024068164 A1 WO2024068164 A1 WO 2024068164A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning device
cleaning
supply unit
operating
capacity
Prior art date
Application number
PCT/EP2023/073686
Other languages
German (de)
English (en)
Inventor
Manfred Gerhards
Original Assignee
Miele & 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
Application filed by Miele & Cie. Kg filed Critical Miele & Cie. Kg
Publication of WO2024068164A1 publication Critical patent/WO2024068164A1/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
    • A47L9/2842—Suction motors or blowers
    • 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
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2873—Docking units or charging stations
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02—Docking stations; Docking operations
    • A47L2201/022—Recharging of batteries
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02—Docking stations; Docking operations
    • A47L2201/024—Emptying dust or waste liquid containers

Definitions

  • the invention relates to a method and a control device for operating a cleaning device and to a cleaning device.
  • Automatic cleaning devices such as vacuum cleaner robots are popular with users because the user does not have to be active as they can clean a floor surface automatically or, for example, at the push of a button.
  • the approach presented here aims to provide an improved method and an improved control device for operating a cleaning device as well as an improved cleaning device.
  • the approach presented can, for example, create a possibility to improve the power delivery capacity of a power supply unit. This can advantageously improve various applications for battery-powered cleaning devices, such as floor care devices, without having to increase additional expenditure such as power supplies or blowers.
  • a method for operating a cleaning device which has a mobile cleaning device with a collecting container and a cleaning station with a blower unit.
  • the method comprises a step of determining a residual capacity of a power supply unit of the cleaning device in response to a connection signal which represents an electrical and mechanical connection of the cleaning device to the cleaning station, a step of comparing a capacity value of the residual capacity with a predetermined limit value which represents a minimum operating capacity for operating the blower unit in order to obtain a comparison result, and a step of providing electrical energy from the power supply unit to an interface to the blower unit in the cleaning device in order to activate the blower unit to empty the collecting container of the cleaning device if the comparison result in the step of comparing shows that the capacity value of the cleaning device is equal to or greater than the limit value.
  • the cleaning device can, for example, represent a combination of a vacuum cleaner robot and an associated charging station.
  • the collecting container can be shaped to collect dirt particles sucked up during a suction process.
  • the blower unit can, for example, have a fan or fan to generate an air flow through which the collecting container can be emptied.
  • the blower unit can be shaped in such a way that it takes up little space within the cleaning station. In general, this can reduce the size of the cleaning station and thus improve the appearance for a user.
  • the blower unit can be powered by the energy supply unit of the cleaning device.
  • the connection signal can first be used to detect that the cleaning device is docking to the cleaning station. For example, this can be detected via electrical contacts.
  • the energy supply unit of the cleaning device can advantageously be designed as an accumulator or a rechargeable battery.
  • the remaining capacity to be determined can relate to energy stored in the energy supply unit of the cleaning device, which can be used to operate the blower unit arranged in the cleaning station.
  • the minimum operating capacity can, for example, represent an amount of energy necessary to operate the blower unit, which is sufficient to empty the collecting container.
  • the method may include a step of converting a voltage provided by the energy supply unit into an operating voltage of the blower unit.
  • the step can be carried out while the blower unit is active in order to be able to compensate for a drop in the voltage provided. This can advantageously ensure that the voltage is kept constant. This means that a suction force for emptying the collecting container can advantageously be maintained.
  • the converting step can advantageously be carried out using pulse width modulation (PWM).
  • PWM pulse width modulation
  • a corresponding device for pulse width modulation is typically already installed in cleaning devices.
  • the method may comprise a step of at least partially charging the power supply unit of the cleaning device before the step of providing if in the step of comparing the comparison result indicates that the capacity value of the cleaning device is smaller than the limit value.
  • the power supply unit can be fully charged, for example, before the Blower unit is activated, but can at least be charged to the extent that the blower unit can be operated.
  • the method may include a step of fully charging the power supply unit after the step of providing.
  • the cleaning device in particular the cleaning device, can advantageously be prepared for a next cleaning run. This can increase customer satisfaction.
  • the electrical energy can be provided with a voltage value of less than 30V and a current of less than 20A.
  • the blower unit can be designed as a low-voltage blower, so that the low voltage value can be sufficient to operate the blower unit.
  • it is therefore no longer necessary to turn down the blower unit, so that costs can be reduced by saving on appropriate control electronics.
  • a small power plug can advantageously be used at the cleaning station, thus saving costs.
  • the low-voltage blower and the associated values mean that the cleaning device can be offered universally in a large number of different countries without having to implement different versions of the cleaning device with different voltage values and current levels required for operation. This means that the cleaning device can advantageously be implemented uniformly, which means that additional costs can be saved.
  • the steps of the method can be carried out in units of the cleaning device and additionally or alternatively the cleaning station.
  • the approach presented here also creates a control device that is designed to carry out, control or implement the steps of a variant of a method presented here in corresponding devices.
  • This embodiment of the invention in the form of a device can also solve the problem underlying the invention quickly and efficiently.
  • the control device can be designed to read in input signals and to determine and provide output signals using the input signals.
  • An input signal can, for example, represent a sensor signal that can be read in via an input interface of the control device.
  • An output signal can represent a control signal or a data signal that can be provided at an output interface of the control device.
  • the control device can be designed to control the output signals using a hardware or software implemented Determine processing instructions.
  • the control device can include a logic circuit, an integrated circuit or a software module and, for example, be implemented as a discrete component or be encompassed by a discrete component.
  • a computer program product or computer program with program code that can be stored on a machine-readable carrier or storage medium such as a semiconductor memory, a hard disk memory or an optical memory. If the program product or program is executed on a computer or a control 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 here.
  • a cleaning device which has a cleaning device with a collecting container for collecting particles and a power supply unit for providing electrical energy, as well as a cleaning station which has a blower unit which is designed to empty the collecting container when the cleaning device is connected to the cleaning station. Furthermore, the cleaning device has a control device in a previously mentioned variant.
  • the cleaning device can advantageously be connected to a household appliance, but also to a professional device.
  • the cleaning device can be designed, for example, as a vacuum cleaner, advantageously as a vacuum cleaner robot.
  • the cleaning station can, for example, be designed to charge the cleaning device and advantageously to additionally empty the collecting container of the cleaning device. This advantageously allows an action cycle for a user to be extended.
  • the action cycle can refer to the emptying of the collecting container or a container in the cleaning station.
  • the collecting container can therefore be shaped to advantageously collect dirt during a cleaning process.
  • the energy supply unit can advantageously be designed as a battery in which electrical energy can be stored for the cleaning process.
  • the control device can be arranged, for example, in the cleaning device or in the cleaning station.
  • the cleaning device can have electrical contacts and the cleaning station can have electrical counter-contacts, wherein the electrical contacts and the electrical counter-contacts can be designed to establish an electrical connection between the cleaning device and the cleaning station.
  • the electrical contacts and the mating contacts be dimensioned according to the currents required to operate the cleaning device.
  • Figure 1 is a schematic representation of a cleaning device according to an embodiment
  • Figure 2 is a schematic representation of an embodiment of a cleaning station
  • Figure 3 is a flow chart of a method for operating a cleaning device.
  • FIG. 1 shows a schematic representation of a cleaning device 100 according to an exemplary embodiment.
  • the cleaning device 100 has a cleaning device 102, a cleaning station 104 and a control device 106, which can be arranged in the cleaning device 102 or alternatively in the cleaning station 104.
  • the control device 106 is arranged in the cleaning station 104.
  • the control device 106 is designed, for example, to control or carry out a method for operating the cleaning device 100 in corresponding units. The process is described in more detail in Figure 3.
  • the cleaning device 102 is designed, for example, as a vacuum cleaner robot, which only optionally also includes an additional wiping function.
  • the cleaning device 102 has a collecting container 108 for collecting particles, for example dirt particles, and a power supply unit 110 for providing electrical energy.
  • the cleaning station 104 has a blower unit 112, which is designed to empty the collecting container 108 when the cleaning device 102 is connected to the cleaning station 104.
  • the cleaning device 102 has electrical contacts which can be electrically connected, for example, to electrical mating contacts of the cleaning station 104.
  • the electrical contacts and the electrical counter-contacts are only optionally dimensioned according to the currents required to operate the cleaning device. For example, a charging process of the energy supply unit 110 is possible using the electrical contacts and mating contacts.
  • the cleaning station 104 has, for example, a particle container 114 which is shaped to receive the particles sucked out of the collecting container 108.
  • the particle container 114 can be removed, for example, from the cleaning station 104 and designed to be reusable so that a user can empty it independently.
  • the particles are sucked out using the blower unit 112, for example.
  • the blower unit 112 is controlled by the control device 106 in order to activate it.
  • an air flow or a vacuum is generated in order to transport the particles into the particle container 114.
  • the particle container 114 is shaped larger than the collecting container 108, so that the particle container 114 can, for example, accommodate particles from several cleaning processes.
  • the blower unit 112 also referred to as a blower, is powered from a vacuum cleaner's own device accumulator, which is referred to here as the energy supply unit 110.
  • an autonomous suction station can be realized, which is described here as a cleaning station 104.
  • the collecting container 108 of the cleaning device 102 which can also be referred to as a dust collection container, is emptied by operating the blower unit 112 and the contents are transferred into a larger, stationary dust chamber or dust bag, which is described here as a particle container 114.
  • a customer is spared the annoying task of emptying the collecting container 108 of the cleaning device 102, which is often necessary due to its size.
  • the associated power pack for the battery-operated, mobile cleaning device 102 supplies a relatively low current in the range of 0.2 A to 1.0 A, which is mainly required to charge the energy supply unit 110.
  • a significantly higher current cannot be used by the batteries to be charged, which is why the power pack is designed to be relatively small, light and inexpensive.
  • the required amount of energy in a vacuum operation is achieved, for example, by a relatively long charging time.
  • the blower unit 112 arranged in the cleaning station 104 is designed as a low-voltage blower with the same or lower nominal voltage as a blower used in the mobile cleaning device 102.
  • FIG 2 shows a schematic representation of an embodiment of a cleaning station 104.
  • the cleaning station 104 shown here corresponds, for example, to the cleaning station 104 described in Figure 1.
  • the cleaning station 104 can therefore be implemented as part of the cleaning device as shown and described by way of example in Figure 1.
  • the cleaning station 104 has a body 200 and a coupling section 202 connected to the body 200.
  • the particle container 114 is arranged in the body 200.
  • the coupling section 202 is shaped, for example, as a surface or alternatively, for example, like a ramp, so that the cleaning device can drive onto the coupling section 202.
  • the coupling section 202 has a discharge opening 204 through which the particles are discharged, for example, from the collecting container of the cleaning device and transported into the particle container 114.
  • Figure 3 shows a flowchart of a method 300 for operating a cleaning device.
  • the method 300 is carried out, for example, for and/or in a cleaning device, as described, for example, in FIG.
  • the method 300 is carried out, for example, in units of the cleaning device and/or the cleaning station, which are only optionally formed as part of the control device described in FIG.
  • the method 300 includes a step 302 of determining a remaining capacity of a power supply unit of the cleaning device in response to a connection signal that represents an electrical and mechanical connection of the cleaning device to the cleaning station. This means that step 302 of determining is performed when the cleaning device docks to the cleaning station.
  • the method 300 includes a step 304 of comparing a capacity value of the remaining capacity with a predetermined limit value, which is a minimum operating capacity for operating the blower unit, in order to obtain a comparison result.
  • a step 306 of providing electrical energy of the energy supply unit is provided to an interface to the blower unit in order to activate the blower unit for emptying the collecting container of the cleaning device if, in the step of comparing, the comparison result indicates that the capacity value of the cleaning device is equal to or greater than the limit value. This means that the blower unit is activated to generate an air flow when the energy supply unit still has sufficient energy available.
  • the electrical energy is provided with a voltage value of less than 30V and a current intensity of less than 20A, so that the blower unit can be implemented, for example, as a low-voltage blower.
  • the method 300 additionally includes a step 308 of at least partially charging the power supply unit of the cleaning device before the step 306 of providing, if in step 304 of comparing the comparison result indicates that the capacity value of the cleaning device is smaller than the limit value.
  • the method 300 includes a step 310 of converting a voltage provided by the power supply unit into an operating voltage of the blower unit while the blower unit is active in order to compensate for a drop in the voltage provided.
  • the method 300 also includes a step 312 of fully charging the energy supply unit after the step 306 of providing it in order to immediately make the cleaning device ready for use again.
  • PWM pulse width modulation
  • the method 300 is performed as follows:
  • the battery-operated cleaning device for example, is taken to the cleaning station, regardless of whether the cleaning device is designed as a robot vacuum cleaner or a battery-operated handheld vacuum cleaner. There, the remaining capacity of the battery pack or, for example, a residual voltage of the mobile cleaning device is first determined in step 302 of determining. If there is still sufficient energy reserve in the batteries, the battery voltage of the mobile cleaning device is fed to the blower unit of the cleaning station, for example via the contacts and/or counter contacts, also referred to as charging contacts, in order to suck the particles out of the collection container after a few seconds of operation in step 306 of providing.
  • the voltage is preferably kept constant in step 310 of converting using a pulse width modulation already included in the mobile cleaning device or a converter for a BLPM motor in order to compensate for the falling battery voltage and ensure constant suction power. If the battery voltage and thus the energy content of the energy supply unit is no longer sufficient to operate the blower unit in the cleaning station, the energy supply unit is initially charged using the power pack in step 308 of at least partial charging. After complete or at least partial charging, the voltage can be used for the cleaning station. After the cleaning station has been powered, the battery pack is fully recharged in step 312 of full charging in order to be fully charged for the next mobile use.
  • a current of approx. 15 A is required at a nominal voltage of, for example, 20 V. 18650 cells can easily reach this value with approx. 5 to 8C.
  • the energy required of approx. 2.5 Wh for a suction process corresponds to only approx. 5% of the total battery capacity (6S / 2.5Ah).
  • the voltage on the blower unit is kept at a constant value using PWM in order to always provide the same power to the cleaning station regardless of a discharge state or a charge state of the battery pack.
  • the electrical contacts and/or mating contacts between the mobile cleaning device and the cleaning station are dimensioned, for example, according to the required currents.

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

Abstract

L'invention concerne un procédé pour faire fonctionner un appareil de nettoyage (100), qui comprend un dispositif de nettoyage mobile (102) avec un récipient de collecte (108) et comprend une station de nettoyage (104) avec une unité de ventilateur (112), lequel procédé comprend une étape de détermination d'une capacité restante d'une unité d'alimentation en énergie (110) du dispositif de nettoyage (102) en réponse à un signal de connexion qui représente une connexion électrique et mécanique du dispositif de nettoyage (102) à la station de nettoyage (104), et également une étape de comparaison d'une valeur de capacité de la capacité restante avec une valeur limite prédéfinie qui représente une capacité de fonctionnement minimale pour faire fonctionner l'unité de ventilateur (112) afin d'obtenir un résultat de comparaison, et une étape d'alimentation en énergie électrique pour l'unité d'alimentation en énergie (110) à une interface à l'unité de ventilateur (112) afin d'activer l'unité de ventilateur (112) pour vider le récipient de collecte (108) du dispositif de nettoyage (102) si, dans l'étape de comparaison (304), le résultat de comparaison indique que la valeur de capacité du dispositif de nettoyage (102) est identique ou supérieure à la valeur limite.
PCT/EP2023/073686 2022-09-29 2023-08-29 Procédé et dispositif de commande pour faire fonctionner un appareil de nettoyage et appareil de nettoyage WO2024068164A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022125143.8A DE102022125143A1 (de) 2022-09-29 2022-09-29 Verfahren und Steuervorrichtung zum Betreiben einer Reinigungseinrichtung und Reinigungseinrichtung
DE102022125143.8 2022-09-29

Publications (1)

Publication Number Publication Date
WO2024068164A1 true WO2024068164A1 (fr) 2024-04-04

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PCT/EP2023/073686 WO2024068164A1 (fr) 2022-09-29 2023-08-29 Procédé et dispositif de commande pour faire fonctionner un appareil de nettoyage et appareil de nettoyage

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DE (1) DE102022125143A1 (fr)
WO (1) WO2024068164A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101719404B1 (ko) * 2004-01-21 2017-03-23 아이로보트 코퍼레이션 자율 로봇을 도킹시키는 방법
US20200029765A1 (en) * 2014-12-24 2020-01-30 Irobot Corporation Evacuation Station
EP3763272A1 (fr) * 2019-07-11 2021-01-13 Vorwerk & Co. Interholding GmbH Station de base permettant de connecter un appareil de nettoyage et procédé de fonctionnement d'un système de nettoyage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019105936A1 (de) 2019-03-08 2020-09-10 Vorwerk & Co. Interholding Gesellschaft mit beschränkter Haftung Sauggutsammelstation, System aus einer Sauggutsammelstation und einem Saugreinigungsgerät sowie Verfahren dafür

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101719404B1 (ko) * 2004-01-21 2017-03-23 아이로보트 코퍼레이션 자율 로봇을 도킹시키는 방법
US20200029765A1 (en) * 2014-12-24 2020-01-30 Irobot Corporation Evacuation Station
EP3763272A1 (fr) * 2019-07-11 2021-01-13 Vorwerk & Co. Interholding GmbH Station de base permettant de connecter un appareil de nettoyage et procédé de fonctionnement d'un système de nettoyage

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