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EP4066715B1 - Appareil de nettoyage fonctionnant sur batterie et?procédé de fonctionnement d'un appareil de nettoyage - Google Patents

Appareil de nettoyage fonctionnant sur batterie et?procédé de fonctionnement d'un appareil de nettoyage Download PDF

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Publication number
EP4066715B1
EP4066715B1 EP22164352.1A EP22164352A EP4066715B1 EP 4066715 B1 EP4066715 B1 EP 4066715B1 EP 22164352 A EP22164352 A EP 22164352A EP 4066715 B1 EP4066715 B1 EP 4066715B1
Authority
EP
European Patent Office
Prior art keywords
battery
signal
cleaning apparatus
charge
state
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.)
Active
Application number
EP22164352.1A
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German (de)
English (en)
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EP4066715A1 (fr
EP4066715C0 (fr
Inventor
Jan Becker
Michael Hutmacher
Martino Minardi
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
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Publication of EP4066715A1 publication Critical patent/EP4066715A1/fr
Application granted granted Critical
Publication of EP4066715B1 publication Critical patent/EP4066715B1/fr
Publication of EP4066715C0 publication Critical patent/EP4066715C0/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
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • 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
    • A47L9/2884—Details of arrangements of batteries or their installation
    • 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
    • A47L9/2894—Details related to signal transmission in suction cleaners

Definitions

  • the present invention relates to a battery-operated cleaning device, in particular a floor cleaning device, which can be operated independently of the mains using a battery, wherein the cleaning device comprises a display device for displaying a charge level of the battery, wherein the cleaning device comprises a display control device for controlling the display device depending on an analog charge level signal which corresponds to the charge level of the battery, wherein the display control device comprises an analog signal input for receiving the analog charge level signal from the battery.
  • the present invention relates to a method for operating a cleaning device, in particular a floor cleaning device, which is operated independently of the mains using a battery, wherein a charge level of the battery is displayed using a display device of the cleaning device, wherein the display device is controlled as a function of an analog charge level signal which corresponds to the charge level of the battery.
  • cleaning devices of the type described above in particular in the form of floor cleaning devices, which are supplied with electrical energy by a battery in the form of a lead battery.
  • the electrical energy is used to drive, for example, a drive device and cleaning elements of the cleaning device.
  • a lead battery is used as the energy supply, the charge level of the same can be determined directly from the battery voltage, because this depends essentially on the charge level of the battery, and this over a large range of the battery charge.
  • the display control device of cleaning devices of the type described above, which are operated with lead batteries is therefore usually designed as described above.
  • the battery voltage tapped at the battery poles is used as an analogue charge level signal of the battery and is processed directly with the display control device to operate the display device.
  • the EN 10 2016 111 876 A1 A portable device with at least one battery pack and a cleaning device is known. A battery-operated cleaning device and methods for operating the same are described in WO 2017/054856 A1 described.
  • the EN 10 2018 102 982 A1 relates to a charger and method for charging a battery pack.
  • the US 2018/299899 A1 describes a battery-operated cleaning device according to the preamble of independent claims 1 and 12.
  • the cleaning device comprises an electrical signal conversion device for converting a digital charge state signal provided by the battery and corresponding to the charge state of the battery into a digital charge state signal corresponding to the charge state of the Battery corresponding analogue charge level signal
  • the signal conversion device comprises an analogue signal output and that the analogue signal output is electrically connected to the analogue signal input of the display control device for transmitting the analogue charge level signal from the signal conversion device to the display control device.
  • the proposed signal conversion device makes it possible to use a lithium-ion battery, for example in the form of a lithium iron phosphate battery, instead of a lead battery.
  • the cleaning device itself in particular its display device including the display control device, does not have to be changed for this purpose. Instead, the digital charge level signal provided by the battery is converted by the signal conversion device into an analog charge level signal, which can be directly processed by the display control device included in the cleaning device and displayed on the display device for a user. Users can thus choose between different battery types to operate the cleaning device.
  • the signal conversion device can be designed in such a way that it simulates a functional dependency between voltage and state of charge that corresponds to the battery for which the display control device was originally configured.
  • the signal conversion device is an electronic circuit arrangement with a bus transceiver, in particular in the form of a CAN bus transceiver, and if the bus transceiver includes the digital signal input or is electrically connected to it.
  • the bus transceiver can be used to prepare and convert a charge level signal, which is provided by a battery, in particular a battery management system thereof, for a data processing unit of the signal conversion device.
  • the battery management system can in particular provide data relating to the charge level of a battery, but also other battery-specific parameters such as temperature, number of charging cycles, age or specific data for the battery such as battery type and manufacturer.
  • the digital signal input is designed in the form of a CAN bus input interface of the signal conversion device. This allows the signal conversion device to be designed to be particularly compact and simple. In particular, it can process CAN bus signals directly in this way.
  • the signal conversion device comprises a signal processing unit, in particular in the form of a microcontroller or an ASIC, for converting a digital bus signal provided by the bus transceiver into an analogue charge level signal, in particular a PWM signal, and if the signal processing unit is electrically connected to the analogue signal output.
  • the signal processing unit thus converts the digitally provided charge level signal into an analogue charge level signal, which can be transmitted to the display control device either directly or, optionally after electrical amplification thereof.
  • the signal conversion device comprises an analog signal amplifier for amplifying the analog charge state signal generated by the signal processing unit, in particular in the form of the PWM signal, and if the signal amplifier is connected downstream of the signal processing unit and is electrically connected to the analog signal output to provide the analog charge state signal.
  • the signal amplifier can in particular in the form of an operational amplifier. This can be used in particular to convert or transform a voltage range provided by the signal processing unit into the voltage range required by the display control device.
  • the signal conversion device comprises at least one further bus transceiver, in particular in the form of a further CAN bus transceiver, and if the at least one further bus transceiver is electrically operatively connected to the signal processing unit and is designed to provide a digital bus signal corresponding to the charge state of the battery, in particular a CAN bus signal, to at least one further digital bus interface, in particular in the form of a CAN bus output interface, of the signal conversion device.
  • the at least one further bus transceiver also makes it possible in particular to convert further data signals provided by the battery, for example other commands, messages or bus speeds, and to transmit them, for example, to the cleaning device or to accessories thereof.
  • the cleaning device can comprise a further display device in order to display physical status information of the battery to a user, such as temperature, charging cycles and the like.
  • a battery charge level can be displayed to a user quickly and easily if the display device is designed in the form of a bar or multi-segment display.
  • the bar or multi-segment display can be designed in the form of an LCD or LED display with a plurality of display segments.
  • a charge level can thus be presented to a user in a clear manner.
  • the multi-segment display can comprise seven display segments.
  • the display control device includes the display device.
  • the display device can be arranged on a circuit board or on which the display control device is also arranged or formed.
  • the battery-operated cleaning device comprises a battery.
  • this can be designed in the form of a rechargeable battery.
  • the battery can in particular be arranged or designed in such a way that it is permanently connected to the cleaning device.
  • permanently means in particular that the battery cannot be separated from the cleaning device by a user as intended. Removal of the battery, in particular separation of it from the cleaning device, can, for example, only be carried out as intended by an authorized specialist company.
  • the battery is preferably in the form of a lead battery or a lithium-ion battery, for example in the form of a lithium iron phosphate battery. This allows the user to use the cleaning device for a sufficiently long time.
  • the battery in particular a lithium-ion battery, comprises a battery management system for generating a digital charge level signal corresponding to the charge level of the battery and if the battery management system is electrically connected to a digital data output of the battery to provide the digital charge level signal for the cleaning device, in particular for the display control device.
  • a battery management system can in particular determine a current charge level of the battery with high precision and provide it in the form of a digital charge level signal, which is then transmitted or transmitted to the digital data output.
  • the battery management system can also monitor in particular individual cells of a battery that is designed in the form of a battery pack with several individual cells. In particular, charging current monitoring and withdrawal current monitoring can thus be carried out. permanently. Furthermore, the temperature and number of charging cycles can be monitored, stored and, if necessary, output.
  • the battery can be detachably connected to the cleaning device, if the battery is completely electrically and mechanically separated from the cleaning device in a disconnected position and is electrically connected to the cleaning device in a connected position. In the connected position, the battery can optionally also be mechanically coupled to the cleaning device. This allows a secure connection to be created between the battery and the cleaning device for the operation of the cleaning device. It is also possible to disconnect the battery from the cleaning device, for example to charge it, and replace it with a charged battery. This means that the cleaning device can be used continuously.
  • the battery is mechanically coupled to the cleaning device in the connection position.
  • the battery can be held securely on the cleaning device in the connection position in order to prevent the battery from accidentally coming loose, falling off or falling off the cleaning device.
  • a mechanical coupling can be implemented by positioning the battery in a holder provided for this purpose, which can be closed with a lockable cover.
  • the cleaning device comprises a battery interface for electrically connecting to the battery, that the battery interface comprises a digital data input and that the digital data input is electrically connected to the digital data output of the battery when the battery is electrically connected to the battery interface.
  • a battery interface makes it possible in particular to transmit digital data or signals from the battery to the cleaning device when the Battery is connected to the cleaning device, especially if a digital data output of the battery is electrically connected to the digital data input of the cleaning device.
  • the cleaning device advantageously comprises a battery holder for holding the battery, wherein the battery interface is arranged or formed in or on the battery holder.
  • a battery holder makes it possible in particular to position the battery in a defined manner on the cleaning device.
  • an electrical and/or mechanical coupling of the battery to the cleaning device can also be specified in a defined manner.
  • the battery interface includes battery connection contacts and if the battery connection contacts are electrically connected to the battery poles of the battery when the battery is electrically connected to the battery interface. This makes it possible in particular to supply the cleaning device with electrical energy stored in the battery. In addition, a defined connection of the battery with its battery poles to the cleaning device is possible.
  • the battery connection contacts comprise first battery connection contacts for a lead battery and second battery connection contacts for a lithium-ion battery, if the first battery connection contacts are electrically connected to the battery poles of a lead battery that is electrically connected to the battery interface, and if the second battery connection contacts are electrically connected to the battery poles of a lithium-ion battery that is electrically connected to the battery interface.
  • the proposed development makes it possible in particular to use different battery types, for example the two battery types mentioned, namely lead battery and lithium-ion battery, to operate the cleaning device.
  • the battery interface can comprise first and second battery connection contacts for this purpose, each of which is designed for a battery type. are specifically arranged and designed. This makes it possible in particular to operate the cleaning device with different types of batteries that can be used alternatively to operate the cleaning device.
  • the display control device comprises a voltage divider for reducing a voltage of the analog charge level signal present at the analog signal input.
  • a voltage divider makes it possible in particular to operate the cleaning device with batteries that provide different operating voltages.
  • the display device then does not have to be modified in a complex manner in order to safely and reliably display the charge level of a battery with a higher battery voltage. Rather, the battery voltage can be reduced, in particular proportionally, with the voltage divider, so that the analog charge level signal of the battery tapped at the voltage divider can be further processed by the display control device for output on the display device.
  • such a voltage divider makes it possible in particular to provide an additional analog signal input for higher battery voltages, which also makes it possible to overwrite the analog charge level signal of batteries with a lower battery voltage.
  • the object set out at the outset is further achieved according to the invention in a method of the type described at the outset in that a digital charge state signal provided by the battery and corresponding to the charge state of the battery is converted into an analog charge state signal corresponding to the charge state of the battery and is made available for controlling the display device.
  • a digital charge level signal can be easily converted into an analog charge level signal if the converted analog charge level signal is provided in the form of a PWM signal.
  • the converted analogue charge level signal is amplified before being provided to the display device.
  • the analogue charge level signal can preferably be amplified for provision to a display device for controlling the display device.
  • a signal level of the converted analogue charge level signal can be adapted to the display device or its display control device via an amplification factor.
  • the charge level of the battery is displayed in bar or segment form using a number of display segments. This allows the user to quickly see the charge level of the battery they are using.
  • the cleaning device is powered by a battery in the form of a rechargeable battery. This allows a user to use one battery multiple times. This is a great ecological advantage.
  • a lead battery or a lithium-ion battery is used as the battery.
  • the battery types mentioned above enable enables a user to supply a cleaning device, in particular a floor cleaning device, with sufficient operating currents.
  • the battery is detachably connected to the cleaning device in such a way that the battery is completely electrically and mechanically separated from the cleaning device in a disconnected position and is electrically operatively connected to the cleaning device in a connected position.
  • the battery can also be mechanically operatively connected to the cleaning device in the connected position.
  • the battery can be connected to the cleaning device in order to operate the cleaning device, and the battery can be separated from the cleaning device for charging or storage.
  • FIG 1 is a schematic representation of an embodiment of a cleaning device according to the prior art, designated overall by the reference numeral 10.
  • the cleaning device 10 is designed in the form of a floor cleaning device 12.
  • the cleaning device 10 comprises a battery 14 in the form of a lead battery 16 for operation. Further components of the cleaning device 10, in particular an optional drive device and cleaning elements such as brushes, rollers and the like, are shown in the drawing for the sake of clarity. Figure 1 not shown.
  • a display device 18 is used to display a charge level of the battery 14.
  • the display device 18 is designed in the form of a bar display 20 or a multi-segment display.
  • a display control device 22 that is electrically connected to the display device 18 is used to control the display device 18. This comprises an analog signal input 24 for receiving an analog charge level signal from the battery 14.
  • the analog charge level signal is defined by the battery voltage present at the battery poles 30 and 32. This depends on the charge level of the battery 14. In other words, there is a mathematically functional relationship between the battery voltage and the charge level.
  • the battery poles 30 and 32 are connected to the first signal input contact 26 and the second signal input contact 28, respectively, via electrical connecting lines 34 and 35.
  • Figure 2 shows schematically the dependence of the battery voltage applied to the battery poles 30 and 32 on the charge state of the lead battery 16. If this is discharged, i.e. the charge of the battery 14 decreases, the voltage at the battery poles 30 and 32 also drops.
  • FIG. 3 In contrast, the dependence of the battery voltage of a battery 14 in the form of a lithium-ion battery 36, namely a lithium iron phosphate battery, is shown schematically as a function of the charge level of such a battery 14.
  • the battery voltage practically does not change over a wide charge level range.
  • a lithium-ion battery 36 which in the embodiment of the cleaning device 10 according to Figure 1 Replacing the lead battery 16 would result in its charge level not being displayed correctly.
  • a signal conversion device 38 is additionally provided.
  • the signal conversion device 38 comprises a digital signal input 40, which is connected to a digital data output 44 of the battery 14 for transmitting the digital charge state signal provided by a battery management system 110 via a two-wire data line 42.
  • the signal conversion device 38 converts the digital charge level signal into an analog charge level signal corresponding to the charge level of the battery 14, namely in the form of an analog voltage signal, and provides this at an analog signal output 46 of the signal conversion device 38.
  • the analog signal output 46 is connected to the analog signal input 124 of the display control device 22 via two connecting lines 48 and 50.
  • the described equipment of the cleaning device 10 with the signal conversion device 38 thus enables in particular, instead of the lead battery 16 to use the lithium-ion battery 36 to operate the cleaning device 10.
  • the display control device 22 and the display device 18 do not have to be changed for this purpose. Rather, it is also possible to use a cleaning device 10, in particular, as shown schematically in Figure 1 shown, with a digital signal conversion device 38.
  • Figure 5 shows a further schematically illustrated embodiment of a cleaning device 10 in the form of a floor cleaning device 12.
  • a cleaning device 10 in the form of a floor cleaning device 12.
  • the same reference numerals are used to designate identical or similar components as in the previous embodiments.
  • the cleaning device 10 comprises a battery interface 52 for electrically connecting to the battery 14.
  • the battery interface 52 comprises a digital data input 54, which is electrically connected to the digital data output 44 of the battery 14 when it is electrically connected to the battery interface 52.
  • a battery 14 in the form of a lithium-ion battery 36 with a digital data output 44 is shown schematically here.
  • the cleaning device 10 comprises a battery holder 56 for at least partially receiving the battery 14.
  • the battery interface 52 is arranged or formed on or in the battery holder 56.
  • the battery interface 52 comprises battery connection contacts 58 which, when the battery 14 is electrically connected to the battery interface 52, namely either the lead battery 16 or the lithium-ion battery 36, are electrically connected to their battery poles 30, 32 or 130, 132 when the respective battery 14 is inserted into the battery receptacle 56 as intended.
  • the battery connection contacts 58 include first battery connection contacts 60 and 62 for the lead battery 16 and second battery connection contacts 160 and 162 for a lithium-ion battery 36.
  • the first battery connection contacts 60, 62 are electrically connected to the battery poles 30 and 32 of the lead battery 16 that is electrically connected to the battery interface 52.
  • the second battery connection contacts 160, 162 are electrically connected to the battery poles 130 and 132 of the lithium-ion battery 36 that is electrically connected to the battery interface 52.
  • the battery holder 56 is in the Figure 5 schematically illustrated embodiment is designed such that optionally one of the two in Figure 5 schematically illustrated batteries, i.e. either the lead battery 16 or the lithium-ion battery 36, can be inserted into the battery holder 56.
  • the lead battery 16 is connected with its battery poles 30, 32 to the first battery connection contacts 60, 62 or the lithium-ion battery 36 with its battery poles 130 and 132 to the second battery connection contacts 160, 162.
  • the digital data input 54 which is designed in particular in the form of a bus interface, of the battery interface 52 is connected via the two-wire data line 42 to the digital signal input 40 of the signal conversion device 38.
  • the analog signal output 46 is as in the embodiment of the Figure 4 already explained, is electrically connected to the analog signal input 124 of the display control device 22 via the connecting lines 48 and 50.
  • the first and second battery contacts 60 and 160 or 62 and 162 are connected to the further analog signal input 24 of the display control device 22 via the connecting lines 34 and 35.
  • a voltage divider can be arranged between the analog signal input 24 and the analog signal input 124, which makes it possible to reduce the battery voltages of both batteries 14 if necessary so that the display control device 22 can otherwise be used essentially unchanged.
  • Figure 6 shows schematically a circuit structure of a display control device 22, which is electrically connected on the one hand to a battery 14 in the form of a lithium-ion battery 36 and on the other hand to a signal conversion device 38.
  • the digital data output 44 of the lithium-ion battery 36 is two-pole and designed in the form of a CAN bus connection 64. This is electrically connected via a two-wire bus line 66 to the digital data input 54, which is also designed in the form of a CAN bus connection 68.
  • the signal conversion device 38 comprises a signal processing unit 70 in the form of a microcontroller 72.
  • a CAN input 74 of the microcontroller 72 is electrically connected to an output 78 of a CAN transceiver 80 via a data line 76.
  • the CAN transceiver 80 also referred to as a CAN bus transceiver, forms a bus transceiver 82 of the electrical circuit arrangement 84 comprised by the signal conversion device 38, the digital signal input 86 of which is electrically connected to the CAN bus connection 68.
  • the digital signal input 86 is designed in the form of a CAN bus input interface 88 of the signal conversion device 38.
  • the signal processing unit 70 is designed to convert a digital bus signal provided by the bus transceiver 82 via the data line 76 into an analog charge state signal, specifically in the form of a PWM signal. Furthermore, an output 90 of the signal processing unit 70 is connected to the analog signal output 46 of the signal conversion device 38 is electrically connected.
  • the signal conversion device 38 further comprises an analog signal amplifier 92, which in the Figure 6 illustrated embodiment is designed in the form of an operational amplifier. It serves to amplify the analog charge level signal generated by the signal processing unit 70.
  • the signal amplifier 92 is connected downstream of the signal processing unit 70 and is electrically connected to the analog signal output 46 to provide the amplified analog charge level signal for the display control device 22.
  • the analog signal input 124 of the display control device 22 is electrically connected to a display driver 96 via a connecting line 94.
  • the display driver 96 is electrically connected to the bar display 20, which comprises a plurality of display segments 100, via a connecting line 98.
  • the analog signal input 24 of the display control device 22 is electrically connected to the display driver 96 via a voltage divider 102.
  • FIG. 7 Another embodiment of a signal conversion device 138 is shown schematically in Figure 7 It corresponds in essential parts to the embodiment of the signal conversion device 38 from Figure 6 so that identical reference symbols were used to designate identical components.
  • the signal conversion device 138 differs from the signal conversion device 38 in particular in that a further output 190 of the signal processing unit 70 is connected for data purposes via a data line 176 to a further bus transceiver in the form of a CAN transceiver 180.
  • the CAN transceiver 180 is in turn connected to a CAN bus connection 168, which forms a digital data output 154.
  • the CAN bus connection 168 forms a CAN bus output interface 188.
  • the CAN transceiver 180 makes it possible, additionally or optionally, to output the digital charge level value provided by the lithium-ion battery 36, but also, for example, other commands and messages, to a machine-compatible CAN bus of the cleaning device 10 or to change a bus speed.
  • the charge level of the battery 14 can thus also be output on alternative display devices of the cleaning device or stored in a storage device.
  • the signal conversion devices 38 and 138 make it possible to convert digital charge level signals provided by batteries 14 in the form of lithium-ion batteries 36, for example in the form of a lithium iron phosphate battery, into analog charge level signals which can be processed with known display control devices 22 and displayed to a user on the associated display device 18.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Claims (15)

  1. Appareil de nettoyage alimenté par batterie (10), en particulier appareil de nettoyage de sol (12), qui peut fonctionner indépendamment du secteur avec une batterie (14), où l'appareil de nettoyage (10) comprend un dispositif d'affichage (18) pour afficher un état de charge de la batterie (14), où l'appareil de nettoyage (10) comprend un dispositif de commande d'affichage (22) pour commander le dispositif d'affichage (18) en fonction d'un signal d'état de charge analogique qui correspond à l'état de charge de la batterie (14), où le dispositif de commande d'affichage (22) comprend une entrée de signal analogique (24; 124) pour recevoir le signal d'état de charge analogique de la batterie (14), caractérisé en ce que l'appareil de nettoyage (10) comprend un dispositif de conversion de signal électrique (38; 138) avec une entrée de signal numérique (40) pour convertir un signal d'état de charge numérique fourni par la batterie (14), qui correspond à l'état de charge de la batterie (14) et qui peut être reçu avec l'entrée de signal numérique, en un signal d'état de charge analogique correspondant à l'état de charge de la batterie (14), en ce que le dispositif de conversion de signal (38; 138) comprend une sortie de signal analogique (46) et en ce que la sortie de signal analogique (46) est reliée électriquement de manière fonctionnelle à l'entrée de signal analogique (24; 124) du dispositif de commande d'affichage (22) afin de transmettre le signal d'état de charge analogique du dispositif de conversion de signal (38; 138) au dispositif de commande d'affichage (22).
  2. Appareil de nettoyage alimenté par batterie selon la revendication 1, caractérisé en ce que le dispositif de conversion de signal (38; 138) comprend un agencement de circuit électronique (84) avec un émetteur-récepteur de bus (82), en particulier sous la forme d'un émetteur-récepteur de bus CAN (80), et en ce que l'émetteur-récepteur de bus (82) comprend l'entrée de signal numérique (86) ou est relié électriquement de manière fonctionnelle à celle-ci,
    où en particulier l'entrée de signal numérique (86) est agencée sous la forme d'une interface d'entrée de bus CAN (88) du dispositif de conversion de signal (38; 138).
  3. Appareil de nettoyage alimenté par batterie selon la revendication 2, caractérisé en ce que le dispositif de conversion de signal (38; 138) comprend une unité de traitement de signal (70), en particulier sous la forme d'un microcontrôleur (72) ou d'un ASIC, pour convertir un signal de bus numérique fourni par l'émetteur-récepteur de bus (82) en un signal d'état de charge analogique, en particulier un signal PWM, et en ce que l'unité de traitement de signal (70) est reliée électriquement de manière fonctionnelle à la sortie de signal analogique (46),
    où en particulier le dispositif de conversion de signal (38; 138) comprend un amplificateur de signal analogique (92) pour amplifier le signal d'état de charge analogique généré par l'unité de traitement de signal (70), en particulier sous la forme du signal PWM, et où l'amplificateur de signal (92) est branché en aval de l'unité de traitement de signal (70) et est relié électriquement de manière fonctionnelle à la sortie de signal analogique (46) pour fournir le signal d'état de charge analogique.
  4. Appareil de nettoyage alimenté par batterie selon la revendication 2 ou 3, caractérisé en ce que le dispositif de conversion de signal (138) comprend au moins un autre émetteur-récepteur de bus (182), en particulier sous la forme d'un autre émetteur-récepteur de bus CAN (180), et en ce que le au moins un autre émetteur-récepteur de bus (182) est relié électriquement de manière fonctionnelle à l'unité de traitement de signal (70) et est conçu pour fournir un signal de bus numérique correspondant à l'état de charge de la batterie (14), en particulier un signal de bus CAN, à au moins une autre interface de bus numérique (168), en particulier sous la forme d'une interface de sortie de bus CAN (188), du dispositif de conversion de signal (138).
  5. Appareil de nettoyage alimenté par batterie selon l'une des revendications précédentes, caractérisé en ce que le dispositif d'affichage (18)
    a) est conçu sous la forme d'un affichage à barres ou multi-segments (20), où en particulier l'affichage à barres ou multi-segments (20) est conçu sous la forme d'un affichage LCD ou LED avec une pluralité de segments d'affichage (100),
    et/ ou
    b) est inclus par le dispositif de commande d'affichage (22).
  6. Appareil de nettoyage alimenté par batterie selon l'une des revendications précédentes, caractérisé en ce que l'appareil de nettoyage (10) comprend une batterie (14), en particulier sous la forme d'une batterie rechargeable (14),
    où en particulier la batterie (14)
    a) est conçue sous la forme d'une batterie au plomb (16) ou d'une batterie lithium-ion (36)
    et/ou
    b) comprend un système de gestion de batterie (110) pour générer un signal d'état de charge numérique correspondant à l'état de charge de la batterie (14) et le système de gestion de batterie (110) est relié électriquement de manière fonctionnelle avec une sortie de données numérique (44) de la batterie (14) pour fournir le signal d'état de charge numérique pour l'appareil de nettoyage (10), en particulier pour le dispositif de commande d'affichage (22).
  7. Appareil de nettoyage alimenté par batterie selon la revendication 6, caractérisé en ce que la batterie (14) peut être reliée de manière amovible à l'appareil de nettoyage (10) et en ce que la batterie (14) est totalement séparée électriquement et mécaniquement de l'appareil de nettoyage (10) dans une position de séparation et est reliée électriquement de manière fonctionnelle avec l'appareil de nettoyage (10) dans une position de liaison,
    où en particulier la batterie (14) est couplée mécaniquement à l'appareil de nettoyage (10) dans la position de liaison.
  8. Appareil de nettoyage alimenté par batterie selon l'une des revendications précédentes, caractérisé en ce que l'appareil de nettoyage (10) comprend une interface de batterie (52) pour la liaison électrique fonctionnelle avec la batterie (14), en ce que l'interface de batterie (52) comprend une entrée de données numérique (54) et en ce que l'entrée de données numérique (54) est reliée électriquement de manière fonctionnelle à la sortie de données numérique (44) de la batterie (14) lorsque la batterie (14) est reliée électriquement de manière fonctionnelle à l'interface de batterie (52),
    où, en particulier, l'appareil de nettoyage (10) comprend un logement de batterie (56) pour loger la batterie (14) et où l'interface de batterie (52) est agencée ou formée dans ou sur le logement de batterie (56).
  9. Appareil de nettoyage alimenté par batterie selon la revendication 8, caractérisé en ce que l'interface de batterie (52) comprend des contacts de connexion de batterie (58) et en ce que les contacts de connexion de batterie (58) sont reliés électriquement de manière fonctionnelle aux pôles de batterie (30, 32; 130, 132) de la batterie (14) lorsque la batterie (14) est reliée électriquement de manière fonctionnelle à l'interface de batterie (52).
  10. Appareil de nettoyage alimenté par batterie selon la revendication 9, caractérisé en ce que les contacts de connexion de batterie (58) comprennent des premiers contacts de connexion de batterie (60, 62) pour une batterie au plomb (16) et des deuxièmes contacts de connexion de batterie (160, 162) pour une batterie lithium-ion (36), en ce que, lorsque la batterie au plomb (16) est reliée électriquement de manière fonctionnelle à l'interface de batterie (52), les premiers contacts de connexion de batterie (60, 62) sont reliés électriquement de manière fonctionnelle avec ses pôles de batterie (30, 32) et en ce que les deuxièmes contacts de connexion de batterie (160, 162), lorsque la batterie lithium-ion (36) est reliée électriquement de manière fonctionnelle à l'interface de batterie (52), sont reliés électriquement de manière fonctionnelle avec ses pôles de batterie (130, 132).
  11. Appareil de nettoyage alimenté par batterie selon l'une des revendications précédentes, caractérisé en ce que le dispositif de commande d'affichage (22) un diviseur de tension (102) pour réduire une tension du signal d'état de charge analogique présent à l'entrée de signal analogique (24).
  12. Procédé pour faire fonctionner un appareil de nettoyage (10), en particulier un appareil de nettoyage de sol (12), qui fonctionne indépendamment du secteur avec une batterie (14), où un état de charge de la batterie (14) est affiché avec un dispositif d'affichage (18) de l'appareil de nettoyage (10), où le dispositif d'affichage (18) est commandé en fonction d'un signal d'état de charge analogique, qui correspond à l'état de charge de la batterie (14), caractérisé en ce qu'un signal d'état de charge numérique fourni par la batterie (14), correspondant à l'état de charge de la batterie (14), est converti en un signal d'état de charge analogique correspondant à l'état de charge de la batterie (14), et est fourni pour commander le dispositif d'affichage (18).
  13. Procédé selon la revendication 12, caractérisé en ce que le signal d'état de charge analogique converti
    a) est fourni sous la forme d'un signal PWM
    et/ou
    b) est amplifié avant d'être fourni au dispositif d'affichage (18).
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que
    a) l'état de charge de la batterie (14) est affiché sous forme de barres ou de segments avec une pluralité de segments d'affichage (100)
    et/ou
    b) l'appareil de nettoyage (10) fonctionne avec une batterie (14) sous la forme d'une batterie rechargeable (14)
    et/ou
    c) une batterie au plomb (16) ou une batterie lithium-ion (36) est utilisée comme batterie (14).
  15. Procédé selon l'une des revendications 12 à 14, caractérisé en ce que la batterie (14) est reliée de manière amovible à l'appareil de nettoyage (10) de sorte que la batterie (14) est totalement séparée électriquement et mécaniquement de l'appareil de nettoyage (10) dans une position de séparation et est reliée électriquement de manière fonctionnelle à l'appareil de nettoyage (10) dans une position de liaison.
EP22164352.1A 2021-03-26 2022-03-25 Appareil de nettoyage fonctionnant sur batterie et?procédé de fonctionnement d'un appareil de nettoyage Active EP4066715B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021107687.0A DE102021107687A1 (de) 2021-03-26 2021-03-26 Batteriebetriebenes Reinigungsgerät und Verfahren zum Betreiben eines Reinigungsgeräts

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EP4066715A1 EP4066715A1 (fr) 2022-10-05
EP4066715B1 true EP4066715B1 (fr) 2024-07-31
EP4066715C0 EP4066715C0 (fr) 2024-07-31

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Publication number Priority date Publication date Assignee Title
CN108135423A (zh) 2015-09-30 2018-06-08 阿尔弗雷德·凯驰两合公司 电池运行的清洁设备和用于运行该清洁设备的方法
WO2017054856A1 (fr) 2015-09-30 2017-04-06 Telecom Italia S.P.A. Procédé de gestion de réseaux de communication sans fil par prédiction de paramètres de trafic
DE102016111876A1 (de) 2016-06-29 2018-01-04 Metabowerke Gmbh Tragbare Vorrichtung
US20180299899A1 (en) * 2017-04-13 2018-10-18 Neato Robotics, Inc. Localized collection of ambient data
DE102017217424A1 (de) * 2017-09-29 2019-04-04 Robert Bosch Gmbh Sauggerät
DE102018102982A1 (de) 2018-02-09 2019-08-14 Metabowerke Gmbh Ladegerät und Verfahren zum Laden eines Akkupacks
DE102019106786A1 (de) * 2019-03-18 2020-09-24 Miele & Cie. Kg Verfahren und Vorrichtung zum Betreiben eines Motors für ein Reinigungsgerät und Reinigungsgerät

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DE102021107687A1 (de) 2022-09-29
EP4066715C0 (fr) 2024-07-31

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