EP2941993B1 - Staubsauger - Google Patents

Staubsauger Download PDF

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Publication number
EP2941993B1
EP2941993B1 EP15166996.7A EP15166996A EP2941993B1 EP 2941993 B1 EP2941993 B1 EP 2941993B1 EP 15166996 A EP15166996 A EP 15166996A EP 2941993 B1 EP2941993 B1 EP 2941993B1
Authority
EP
European Patent Office
Prior art keywords
battery
voltage
cleaner
vacuum cleaner
batteries
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
EP15166996.7A
Other languages
English (en)
French (fr)
Other versions
EP2941993A1 (de
Inventor
Changhoon Lee
Hwajin Lim
Gunho Ha
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2941993A1 publication Critical patent/EP2941993A1/de
Application granted granted Critical
Publication of EP2941993B1 publication Critical patent/EP2941993B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • 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
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • 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
    • A47L9/2857—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
    • A47L9/2873—Docking units or charging stations

Definitions

  • vacuum cleaners are devices that suction air containing dusts by using a suction force generated by a suction motor mounted in a main body to filter the dusts in the main body.
  • Vacuum cleaners are classified into manual cleaners and automatic cleaners.
  • the manual cleaners are cleaners that are used for directly performing cleaning by a user, and the automatic cleaners that travel by oneself to perform cleaning.
  • the manual cleaners may be classified into a canister type cleaner in which a suction nozzle is provided separately with respect to a main body and connected to the main body by using a connection tube and an upright type cleaner in which a suction nozzle is coupled to a main body.
  • a power cord outlet of a cleaner is disclosed in Korean Patent Publication No. 10-2006-0118796 (Published Date: November 24, 2006 ) that is a prior document 1.
  • the main body may receive a power.
  • the cleaner since a cleaner receives a power through the cord reel assembly, the cleaner may move by only a distance corresponding to a length of the cord wound around the cord reel assembly when the cleaner performs cleaning.
  • a vacuum cleaner is disclosed in Korean Patent Publication No. 10-2008-0105847 (Published Date: December 4, 2008 ) that is a prior document 2.
  • the vacuum cleaner according to the prior document 2 includes a main body including a battery and a charger and a cord reel assembly separably connected to the main body.
  • the vacuum cleaner may connect the main body to the cord reel assembly to receive a commercial power and charge the battery.
  • the vacuum cleaner may receive a DC power of the battery to operate.
  • connection cord insertion hole is defined in the main body, and the cord reel assembly includes a connection cord.
  • the cleaner since the cleaner is capable of receiving a power of the battery to operate, the cleaner may freely move and thus be no constraint in cleaning.
  • a commercial power of about 220 V may be applied to the cord reel assembly.
  • the commercial power is higher than a voltage of about 42.4 V that corresponds to an IEC 60950 safety standard.
  • the battery since the battery is built in the cleaner, a power may be applied to a terminal of the connection cord insertion hole of the cleaner.
  • the battery has to be maintained to a voltage of about 42.4 V or less.
  • US 2002/0148070 A1 discloses a vacuum cleaner including a blower and a dust collection unit disposed in a nozzle section.
  • US 2012/0260944 A1 discloses a remote-controlled, autonomous, or semi-autonomous vacuum cleaner for raised floor environments comprising a vacuum cleaner especially configured to clean tight, hard-to-reach areas.
  • US 2002/0121000 A1 discloses an upright, full-size vacuum cleaner that utilizes a rechargeable battery in addition to the normal electrical cord.
  • Embodiments relate to a vacuum cleaner. Aspects of an invention are defined in the appended independent claims.
  • a vacuum cleaner includes: a cleaner body comprising a suction motor for generating a suction force; a suction part arranged to communicate with the cleaner body to suction air and dusts; a battery to supply a power to the suction motor; a cleaner connector disposed on the cleaner body or the suction part; a charger separably connected to the cleaner connector to charge the battery; and a voltage regulator regulating a voltage between an output terminal of the charger and the suction motor so that a voltage outputted from the charger is greater than that inputted into the suction motor.
  • the charger converts an inputted AC voltage into a DC voltage and steps down the voltage to output the voltage to the cleaner connector.
  • the voltage regulator comprises a booster for boosting a voltage.
  • the charger provides a DC voltage of about 42.4 V or less to the cleaner connector.
  • the booster boosts a voltage outputted from the battery, and the voltage boosted by the booster is outputted into the suction motor.
  • the battery has a maximum charging voltage of about 42.4 V or less, and the booster boosts the voltage outputted from the battery so that a maximum DC voltage supplied to the suction motor is above about 84.8 V.
  • the booster boosts the voltage outputted from the charger, and the voltage boosted by the booster is provided to the battery.
  • a maximum charging voltage of the battery exceeds about 42.4 V, and a maximum DC voltage provided to the suction motor is above about 84.8 V.
  • the booster comprises a boost converter.
  • a plurality of batteries are disposed on one of the cleaner body and the suction part, and the voltage regulator comprises switching mechanisms configured to connect the plurality of batteries to each other in parallel when the plurality of batteries are charged, and to connect the plurality of batteries to each other in series when the plurality of batteries are discharged.
  • the switching mechanisms comprise charging switching mechanisms that are turned on when the plurality of batteries are charged and is turned off when the plurality of batteries are discharged and discharging switching mechanisms that are turned on when the plurality of batteries are discharged and is turned off when the plurality of batteries are charged.
  • the plurality of batteries comprise a first battery and a second battery
  • the charging switching mechanisms comprise: a first charging switch connecting or disconnecting the second battery to or from the charger; a second charging switch connecting or disconnecting the first battery to or from the charger; and a third charging switch connecting or disconnecting the first battery to or from the second battery.
  • the discharging switching mechanisms comprise: a first discharging switch connecting or disconnecting the first battery to or from the suction motor or a controller for controlling the suction motor; a second discharging switch connecting or disconnecting the suction motor or the controller to or from the second battery; and a third discharging switch connecting or disconnecting the first battery to or from the second battery.
  • the cleaner connector protrudes from the cleaner body or the suction part.
  • Fig. 1 is a perspective view of a vacuum cleaner according to a first example
  • Fig. 2 is a block diagram of the vacuum cleaner according to the first example.
  • a vacuum cleaner 1 may include a cleaner body 10 including a suction motor 150 for generating a suction force and a suction device 20 for guiding air containing dusts to the cleaner body 10.
  • the suction device 20 may include a suction part 21 for suctioning dusts disposed on a surface to be cleaned, for example, a bottom surface and connection parts 22, 23, and 24 for connecting the suction part 21 to the cleaner body 10.
  • connection part 22, 23, and 24 may include an extension tube 24 connected to the suction part 21, a handle 22 connected to the extension part 24, and a suction hose 23 connecting the handle 22 to the cleaner body 10.
  • the vacuum cleaner 1 may further include a dust separation part (not shown) for separating dusts from air suctioned by the suction device 20 and a dust container 110 for storing the dusts separated by the dust separation part.
  • the dust container 110 may be separably mounted on the cleaner body 10.
  • the dust separation part may be provided as a separate part that is separated from the dust container 110 or be provided as one module together with the dust container 110.
  • the vacuum cleaner 1 may further include a battery 120 supplying a power for operating the suction motor 150 and a charger 30 separably connected to the cleaner body 10 to charge the battery 120.
  • the charger 30 may include a power cord 31 connected to a socket and a charger connector 32 connected to the cleaner body 10.
  • the cleaner body 10 may include a cleaner connector 102 connected to the charger connector 32.
  • the cleaner connector 102 may protrude from the cleaner body 10.
  • the cleaner connector 102 may be provided on the suction part 21.
  • the cleaner connector 102 may protrude from the suction part 21.
  • the charger 30 may perform rectification and smoothing operations to convert a commercial AC voltage into a DC voltage. Also, the charger 30 may supply the converted DC voltage to the cleaner body 10. For example, the charger 30 may convert the commercial AC voltage into a DC voltage of about 42.4 V or less to supply the converted DC voltage to the cleaner body 10.
  • the DC voltage of about 42.4 V or less is outputted from the charger connector 32 of the charger 30, there is no problem in user safety even though an insulation device is not provided to the charger connecter 32.
  • the insulation device may be provided to the charger connector 32.
  • the battery 120 may include a plurality of unit cells 121 that are connected to each other in series.
  • the plurality of unit cells 121 may be managed by a battery management system (BMS) (now shown) to maintain a predetermined voltage. That is, the BMS may allow the battery 120 to output the predetermined voltage.
  • BMS battery management system
  • the battery 120 may be a chargeable and dischargeable secondary battery.
  • a DC voltage charged in the battery 120 may be, for example, a voltage of about 42.4 V or less.
  • the suction motor 150 may be, for example, a BLDC motor. Also, the suction motor 150 may have a maximum output of about 600 W or more.
  • the cleaner body 10 may further include a booster 140 for boosting the voltage outputted from the battery 120.
  • the booster 120 may include, for example, a boost converter 140 (or a DC/DC converter).
  • the boost converter may include an inductor, a diode, a capacitor, and a switching device. Also, the switching device may be quickly and repeatedly turned on/off by the control of a controller 130 to allow the boost converter to boost an input voltage.
  • the switching device may include a MOSFET, but is not limited thereto.
  • the switching device may include a bipolar junction transistor (BJT) or an insulated gate bipolar transistor (IGBT).
  • BJT bipolar junction transistor
  • IGBT insulated gate bipolar transistor
  • controller 130 may be disposed between the battery 120 and the booster 140.
  • the controller 130 may output a switching device of the switching device of the boost converter.
  • the controller 130 may control the suction motor 150.
  • the DC voltage of about 42.4 V or less which is outputted from the battery 120 may be outputted to the booster 140 by the controller 130.
  • the booster 140 may boost the inputted voltage to output the boosted voltage to the suction motor 150.
  • the booster 140 may boost the output voltage of the battery 120 to a voltage that is greater than two times or more than the output voltage.
  • the booster 140 may output a DC voltage of about 84.8 V or more. Since the booster 140 outputs the DC voltage of about 84.8 V or more, the current required for operating the suction motor 150 may be less by about 7.1 A than the output voltage of the booster 140. Thus, a circuit required for operating the suction motor 150 may be simplified.
  • the output voltage of the booster 140 may be below about 84.8 V according to the circuit for operating the suction motor 150.
  • the suction motor 150 may realize a high output.
  • the suction force of the vacuum cleaner 1 may increase to improve cleaning performance.
  • the charging voltage of the battery 120 is below about 42.4 V, there is no problem in user safety even though an insulation device is not provided to the cleaner connecter 102.
  • the insulation device may be provided to the cleaner connector 102.
  • the charger 30 may be connected to the vacuum cleaner 1 only during the charging of the battery 120. When the vacuum cleaner performs cleaning, the charger 30 may be separated from the vacuum cleaner 1. Thus, the degree of freedom in movement of the cleaner 1 may be improved.
  • the vacuum cleaner 1 since the vacuum cleaner 1 does not include the cord reel and receives a power from the battery 120, the vacuum cleaner 1 is not limited to a movement direction thereof. While the vacuum cleaner 1 moves, it may be unnecessary to move over a cord wound around the cord reel or arrange the cord. Thus, the vacuum cleaner 1 may smoothly move.
  • Fig. 3 is a block diagram of a vacuum cleaner according to a second example.
  • the current example is the same as the first example except for a position of the booster and a charging voltage of the battery. Thus, only characterized parts in the current example will be described below.
  • a vacuum cleaner 2 may include a booster 140 for receiving a DC voltage of about 42.4 V or less to boost the received DC voltage and a battery 123 for receiving the voltage boosted by the booster 140.
  • the vacuum cleaner 2 may further include a transformer 142 connected to an output terminal of the booster 140.
  • the battery 123 may be connected to the transformer 142.
  • the battery 123 may include a plurality of unit cells 121.
  • the plurality of unit cells 121 is managed by the BMS to maintain a predetermined voltage.
  • the booster 140 may be, for example, a boost converter.
  • the boost converter 140 may boost an output voltage of the charger 30, and the transformer 142 may boost or step down the voltage outputted from the boost converter 140 or output the voltage outputted from the boost converter 140 as it is.
  • the boost converter 140 and the transformer 142 may be designed so that the DC voltage of about 42.4 V or less, which is inputted to the boost converter 140 is boosted two times or more to output a voltage of about 84.8 V or more to the transformer 14.
  • a DC voltage of about 84.8 V or less may be outputted from the transformer 142 according to a circuit for operating the suction motor 150.
  • the boost converter 140 may primarily boost the output voltage of the charger 30, and the transformer may secondarily boost the output voltage of the boost converter 140.
  • the boost converter 140 may boost the output voltage of the charger 30, and the transformer may output the same voltage as the output voltage of the boost converter 140.
  • the battery 123 may have the maximum charging voltage of about 84.8 V or more.
  • the maximum DC voltage outputted from the battery 123 may be about 84.8 V or more, and the outputted voltage may be provided to the suction motor 150 by a controller 130.
  • the suction motor 150 Since a high voltage of about 84.8 V or more is supplied to the suction motor 150 in the current example, the suction motor may realize a high output. Thus, the suction force of the vacuum cleaner 1 may increase to improve cleaning performance.
  • the transformer 142 since the battery 123 is electrically connected to the cleaner connector 102, and the battery 123 has the maximum charging voltage of about 84.8 v or more, if the transformer 142 is not provided, the user may be dangerous when the user contacts the cleaner connector 102. However, according to the current example, since the transformer 142 is disposed between the booster 140 and the battery 123, the transformer may function as an insulation device to improve user safety.
  • the boost converter may be a non-isolated boost converter or isolated boost converter. If the boost converter is the isolated boost converter, the vacuum cleaner 1 may be doubly insulated by the boost converter and the transformer 142 to more improve product safety.
  • the transformer 142 may be omitted, or only the isolated boost converter may be used.
  • the isolated boost converter may be a converter in which an inductor is replaced with a transformer. Also, when only the isolated boost converter is used, the insulation may be realized to maintain the product safety.
  • Fig. 4 is a block diagram of a vacuum cleaner according to a third embodiment.
  • a vacuum cleaner 3 may include a charger 30, a suction motor 150, and a battery 160.
  • the charger 30 and the suction motor 150 have the same as those of the first example, their detailed descriptions will be omitted. That is, the charger 30 supplies a DC voltage of about 42.4 V or less to a cleaner body.
  • the battery 160 may include a first battery 161 and a second battery 162.
  • Each of the first and second batteries 161 and 162 may include a plurality of unit cells connected to each other in series.
  • each of the first and second batteries 161 and 162 may have a charging voltage of about 42.4 V or less.
  • the vacuum cleaner 3 may further include a switching mechanism.
  • the switching mechanism may be configured to connect the first and second batteries 161 and 162 to each other in parallel when the battery 160 is charged, and connect the first and second batteries 161 and 162 to each other in series when the battery 160 is discharged (a DC voltage of the battery 160 is supplied to the suction motor 150).
  • the switching mechanism may include charging switch mechanisms 171, 172, and 173 and discharging switch mechanisms 181, 182, and 183.
  • the charging switch mechanisms 171, 172, and 173 may include a first charging switch 171, a second charging switch 172, and a third charging switch 173.
  • the first charging switch 171 may connect or disconnect the charger 30 to or from the second battery 162.
  • the second charging switch 172 may connect or disconnect the first battery 161 to or from both ends of the charger 30.
  • the third charging switch 172 may connect or disconnect the first battery 161 to or from the second battery 162.
  • the discharging switch mechanisms 181, 182, and 183 may include a first discharging switch 181, a second discharging switch 182, and a third discharging switch 183.
  • the first discharging switch 181 may connect or disconnect the suction motor 150 to or from both ends of the first battery 161.
  • the second discharging switch 182 may connect or disconnect the second battery 162 to or from the suction motor 150.
  • the third discharging switch 182 may connect or disconnect the first battery 161 to or from the second battery 162.
  • Fig. 5 is a view illustrating an operation of a switching mechanism when a battery is charged according to the third embodiment
  • Fig. 6 is a view illustrating an operation of the switching mechanism when a battery is discharged according to the third embodiment.
  • the first to third charging switches 171, 172, and 173 are turned on, and the first to third discharging switches 181, 182, and 183 are turned off.
  • first and second batteries 161 and 162 are connected to each other in parallel. Also, a voltage outputted from the charger 30 may be supplied to each of the first and second batteries 161 and 162 to charge the first and second batteries 161 and 162.
  • the first to third charging switches 171, 172, and 173 are turned off, and the first to third discharging switches 181, 182, and 183 are turned on.
  • the first and second batteries 161 and 162 are connected to each other in series.
  • a voltage obtained by adding a charging voltage of the first battery 161 to a charging voltage of the second battery 162 may be outputted to the suction motor 150. That is, the battery 160 may have an output voltage of about 84.8 V or less.
  • each of the switches may be turned off.
  • the suction motor 150 Since a high voltage of about 84.8 V or less is supplied to the suction motor 150 in the current embodiment, the suction motor may realize a high output. Thus, the suction force of the vacuum cleaner 3 may increase to improve cleaning performance.
  • the two batteries 151 and 162 are connected to each other in parallel or series in the foregoing embodiment, at least three batteries may be connected to each other in parallel or series.
  • the battery 160 is directly connected to the suction motor 150 in the foregoing embodiment, the battery 160 may be connected to the controller, and the suction motor 150 may be connected to the controller.
  • the upright-type cleaner may include a suction part and a cleaner body connected to the suction part.
  • a battery for supplying a power to a suction motor may be disposed on the suction part or the cleaner body.
  • the above-described charger may be connected to the suction part or the cleaner body.
  • the cleaner body may be divided into two or more bodies.
  • the suction motor may be disposed on a first body of the two or more bodies, and the first body on which the suction motor is disposed may be connected to the suction part.
  • a second body may be connected to the first body, and a dust container for storing dusts may be disposed in the second body.
  • the booster and the switching mechanism regulate a voltage between an output terminal of the charger and an input terminal of the suction motor within the vacuum cleaner so that a voltage applied to the suction motor is greater than that outputted from the charger, the booster and the switching mechanism may be called as voltage regulators.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Claims (8)

  1. Staubsauger, umfassend:
    einen Saugerkörper (10), der einen Saugmotor (150) zur Erzeugung einer Saugkraft umfasst;
    ein Saugteil (21), das dafür eingerichtet ist, mit dem Saugerkörper in Verbindung zu stehen und Luft und Staub aufzunehmen;
    eine Batterie (120), die dafür eingerichtet ist, dem Saugmotor (150) Energie zuzuführen;
    einen Saugerverbinder (102), der auf dem Saugerkörper (10) oder dem Saugteil (21) angeordnet ist und dafür eingerichtet ist, eine Spannung zu empfangen, dadurch gekennzeichnet, dass der Staubsauger einen Spannungsregler umfasst, der dafür eingerichtet ist, eine Spannung zwischen dem Saugerverbinder (102) und dem Saugmotor (150) zu regeln, so dass die Spannung, die von dem Saugerverbinder (102) empfangen wird, geringer als eine Spannung ist, die in den Saugmotor (150) eingegeben wird; und
    eine Mehrzahl von Batterien (161, 162), die auf einem von dem Saugerkörper (10) und dem Saugteil (21) angeordnet ist,
    wobei der Spannungsregler Schaltmechanismen (171, 172, 173, 181, 182, 183) umfasst, die dazu ausgebildet sind, die Mehrzahl von Batterien (161, 162) parallel zu dem Saugerverbinder (102) zu schalten, wenn die Mehrzahl von Batterien (161, 162) geladen ist, und die Mehrzahl von Batterien (161, 162) zueinander mit dem Saugmotor (150) in Reihe zu schalten, wenn die Mehrzahl von Batterien (161, 162) entladen ist.
  2. Staubsauger nach Anspruch 1, wobei die Spannung, die von dem Saugerverbinder (102) empfangen wird, eine Gleichspannung von etwa 42,4 V oder weniger ist.
  3. Staubsauger nach Anspruch 1, wobei eine maximale Ladespannung der Batterie (120) etwa 42,4 V überschreitet und eine maximale Gleichspannung, die dem Saugmotor (150) bereitgestellt wird, über etwa 84,8 V liegt.
  4. Staubsauger nach Anspruch 1, wobei die Schaltmechanismen (171, 172, 173, 181, 182, 183) Ladeschaltmechanismen (171, 172, 173) umfassen, die dafür eingerichtet sind, zum Laden der Mehrzahl von Batterien (161, 162) geschlossen und zum Entladen der Mehrzahl von Batterien (161, 162) offen zu sein, und Entladeschaltmechanismen (181, 182, 183), die dafür eingerichtet sind, zum Entladen der Mehrzahl von Batterien (161, 162) geschlossen und zum Laden der Mehrzahl von Batterien (161, 162) offen zu sein.
  5. Staubsauger nach Anspruch 4, wobei die Mehrzahl von Batterien (161, 162) eine erste Batterie (161) und eine zweite Batterie (162) umfasst und
    die Ladeschaltmechanismen (171, 172, 173) Folgendes umfassen:
    einen ersten Ladeschalter (171), der dafür eingerichtet ist, die zweite Batterie (162) mit dem Saugerverbinder (102) zu verbinden oder von diesem zu trennen;
    einen zweiten Ladeschalter (172), der dafür eingerichtet ist, die erste Batterie (161) mit dem Saugerverbinder (102) zu verbinden oder von diesem zu trennen; und
    einen dritten Ladeschalter (173), der dafür eingerichtet ist, die erste Batterie (161) mit der zweiten Batterie (162) zu verbinden oder von dieser zu trennen.
  6. Staubsauger nach Anspruch 4 oder 5, wobei die Entladeschaltmechanismen (181, 182, 183) Folgendes umfassen:
    einen ersten Entladeschalter (181), der dafür eingerichtet ist, die erste Batterie (161) mit dem Saugmotor (150) oder einem Steuergerät (130) zur Steuerung des Saugmotors (150) zu verbinden oder von diesen zu trennen;
    einen zweiten Entladeschalter (182), der dafür eingerichtet ist, den Saugmotor (150) oder das Steuergerät (130) mit der zweiten Batterie (162) zu verbinden oder von dieser zu trennen; und
    einen dritten Entladeschalter (183), der dafür eingerichtet ist, die erste Batterie (161) mit der zweiten Batterie (162) zu verbinden oder von dieser zu trennen.
  7. Staubsauger nach einem der vorhergehenden Ansprüche, wobei der Saugerverbinder (102) von dem Saugerkörper (10) oder dem Saugteil (21) absteht.
  8. Staubsaugersystem, umfassend den Staubsauger nach einem der vorhergehenden Ansprüche und ein Ladegerät (30), wobei das Ladegerät (30) dafür eingerichtet ist, eine Eingangswechselspannung in eine Gleichspannung umzuwandeln, die Spannung herunterzutransformieren und die Spannung an den Saugerverbinder (102) auszugeben.
EP15166996.7A 2014-05-09 2015-05-08 Staubsauger Active EP2941993B1 (de)

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JP7088758B2 (ja) 2018-06-26 2022-06-21 株式会社マキタ 充電式クリーナ
JP7228463B2 (ja) * 2019-05-16 2023-02-24 東芝ライフスタイル株式会社 電気掃除機
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US20150320285A1 (en) 2015-11-12
CN105078368A (zh) 2015-11-25
EP2941993A1 (de) 2015-11-11
AU2015201931A1 (en) 2015-11-26

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