US20230079676A1 - Vacuum Cleaner Comprising An Electronic Board Provided With First And Second Contacts - Google Patents

Vacuum Cleaner Comprising An Electronic Board Provided With First And Second Contacts Download PDF

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Publication number
US20230079676A1
US20230079676A1 US17/798,718 US202117798718A US2023079676A1 US 20230079676 A1 US20230079676 A1 US 20230079676A1 US 202117798718 A US202117798718 A US 202117798718A US 2023079676 A1 US2023079676 A1 US 2023079676A1
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United States
Prior art keywords
vacuum cleaner
user
activation
gripping
control
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Pending
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US17/798,718
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English (en)
Inventor
Anne-Marie OUZAZNA
Thierry Prunier
Eric Pouvreau
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SEB SA
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SEB SA
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Assigned to SEB S.A. reassignment SEB S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OUZAZNA, Anne-Marie, POUVREAU, ERIC, PRUNIER, THIERRY
Publication of US20230079676A1 publication Critical patent/US20230079676A1/en
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    • 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
    • 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
    • A47L5/24—Hand-supported 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles
    • 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
    • A47L9/2884—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
    • A47L9/32—Handles
    • A47L9/322—Handles for hand-supported suction cleaners

Definitions

  • the present invention relates to the field of vacuum cleaners making it possible to suck up dust and waste of small particle size present on a surface to be cleaned, which may for example be tiles, parquet, laminate, carpet or a rug.
  • a vacuum cleaner and more particularly a portable vacuum cleaner, in known manner comprises a suction duct; a waste separation device fluidly connected to the suction duct; a main body in which is housed a suction device comprising a motor fan which is configured to generate an air flow through the suction duct and the waste separation device; a gripping handle; a control device which is arranged on the gripping handle and which is operable by a user; an activation device which is operable by a user; and an electronic control unit which is configured to control the operation of the motor fan according to a first operating mode, also called normal operating mode, when the control device is operated by a user and to control the operation of the motor fan according to a second operating mode, also called enhanced operating mode, when the activation device is operated by a user.
  • a first operating mode also called normal operating mode
  • a second operating mode also called enhanced operating mode
  • the electronic control unit is more particularly configured such that a maximum rotation speed of the motor fan in the second operating mode is greater than a maximum rotation speed of the motor fan in the first operating mode.
  • the electronic control unit comprises a first electronic board equipped with a first contact that is configured to be activated by the control device when the control device is operated by a user, and a second electronic board equipped with a second contact that is configured to be activated by the activation device when the activation device is operated by a user.
  • the first electronic board can for example be placed in the gripping handle and the second electronic board can for example be placed in the main body.
  • the present invention is intended to remedy all or part of these disadvantages.
  • the technical problem underlying the invention consists in particular of providing a vacuum cleaner which is of simple and economical structure, while having an easier assembly compared to vacuum cleaners of the prior art.
  • the present invention relates to a vacuum cleaner comprising a suction duct; a waste separation device fluidly connected to the suction duct; a main body in which is housed a suction device comprising a motor fan which is configured to generate an air flow through the suction duct and the waste separation device; a gripping handle; a control device which is operable by a user and which comprises a first gripping part; an activation device which is operable by a user and which comprises a second gripping part, the second gripping part being located at a distance from the first gripping part and the first and second gripping parts being movable independently of each other; and an electronic control unit which is configured to control the operation of the motor fan according to a first operating mode when the control device is operated by a user and to control the operation of the motor fan according to a second operating mode when the activation device is operated by a user, the electronic control unit being configured such that a maximum rotation speed of the motor fan in the second operating mode is greater than a maximum rotation speed of the
  • the electronic control unit comprises an electronic board equipped with a first contact and a second contact, the control device being configured to activate the first contact when the control device is operated by a user, and the activation device being configured to activate the second contact when the activation device is operated by a user.
  • the arrangement of the first and second contacts on the same electronic board reduces the manufacturing costs of the electronic control unit, and also simplifies the assembly of the electronic control unit, and therefore, the assembly of the vacuum cleaner. Such a configuration of the first and second contacts therefore makes it possible to significantly reduce the manufacturing costs of the vacuum cleaner.
  • the vacuum cleaner may further have one or more of the following features, taken alone or in combination.
  • the vacuum cleaner is configured such that the maximum power level delivered to the motor fan in the first operating mode is less than the maximum power level delivered to the motor fan in the second operating mode.
  • control device is arranged on the gripping handle.
  • the activation device is arranged next to the control device.
  • Such an arrangement of the activation device allows a user to activate the second operating mode of the motor fan with a single finger, and moreover, to make the activation device more intuitively accessible by the user, since they will not need to look at the vacuum cleaner and/or their hand to reach and operate the activation device.
  • the vacuum cleaner according to the present invention allows a user to easily and quickly, and thus ergonomically and intuitively, activate the second operating mode of the motor fan.
  • control device and the activation device are mounted to be able to rotate respectively about a first axis of rotation and a second axis of rotation.
  • the first and second axes of rotation are substantially parallel.
  • the second axis of rotation of the activation device is placed in front of the first axis of rotation of the control device relative to a median longitudinal axis of the gripping handle.
  • the first axis of rotation of the control device is arranged between the second axis of rotation of the activation device and the median longitudinal axis of the gripping handle.
  • the control device is mounted to be movable in rotation around the first axis of rotation according to a first amplitude of rotation and the activation device is mounted to be movable in rotation around the second axis of rotation according to a second amplitude of rotation, an angular difference between the first and second amplitudes of rotation being less than or equal to 5°, and preferably less than or equal to 2°.
  • the travel paths of the control device and activation device are substantially identical, which improves the user's experience and thus provides an ergonomic advantage.
  • each of the first and second amplitudes of rotation is between 2 and 6°, and is for example about 4°.
  • Such a configuration of the control device and the activation device limits the internal size of the vacuum cleaner, and therefore, the external size of the vacuum cleaner. Indeed, excessively large amplitudes of rotation generate large travel paths of internal devices, requiring more internal space to be provided, resulting in a larger main body.
  • At least one of the control device and the activation device comprises a return arm configured to cooperate with a respective contact among the first and second contacts.
  • the activation device comprises the return arm, the return arm comprising a bearing part that is configured to cooperate with the second contact and a perforated intermediate part that delineates an opening passage, the control device being configured to extend at least partially through the opening passage when the control device is operated by a user.
  • the perforated intermediate part connects the bearing part to the second gripping part.
  • Such a configuration makes it possible to optimize the internal space of the vacuum cleaner at the level of the control and activation devices, while allowing a return arm of the activation device to be symmetrical with respect to a plane of symmetry corresponding to the median longitudinal plane of the vacuum cleaner. This makes it possible to ensure in particular that the forces transmitted from the second gripping part via the return arm to the second contact are symmetrically distributed in the return arm and around the median longitudinal plane of the vacuum cleaner.
  • the activation device preferably the control and activation devices, has/have a symmetrical geometry with respect to a plane of symmetry which, when the vacuum cleaner is mounted, corresponds to the median longitudinal plane of the vacuum cleaner.
  • the perforated intermediate part comprises two lateral branches spaced apart from each other and between which the control device is at least partially arranged.
  • the first axis of rotation of the control device is arranged between the two lateral branches of the perforated intermediate part.
  • the return arm comprises an elastically deformable portion that is configured to limit the forces applied by the return arm against the respective contact among the first and second contacts.
  • the elastically deformable portion is configured to limit the forces applied by the return arm against the second contact when the activation device is operated by a user.
  • the elastically deformable portion may be formed by a zone of thinner thickness.
  • control device comprises an additional return arm that is configured to cooperate with the first contact.
  • the additional return arm comprises an elastically deformable part that is configured to limit the forces applied by the additional return arm against the first contact when the control device is operated by a user.
  • the elastically deformable part may be formed by a curved zone.
  • At least one, and preferably each, of the first and second contacts is an electromechanical contact, such as a switch, and for example a microswitch.
  • the microswitch may be the “push button” type or the “lever” type.
  • At least one, and preferably each, of the first and second contacts comprises several conductive tracks, and for example two conductive tracks.
  • at least one, and preferably each, of the control device and the activation device comprises an additional contact comprising at least one conductive element such as a pad made of conductive material or an additional conductive track that is configured to cooperate with the conductive tracks provided for on the respective contact.
  • the electronic control unit is configured to control operation of the motor fan according to the second operating mode only as long as the activation device is operated by a user.
  • the electronic control unit is configured to control operation of the motor fan according to the first operating mode as long as the control device is not operated again by a user.
  • the electronic control unit is configured to maintain motor fan operation in the first mode of operation when the control device is released by the user.
  • control device is movable between a resting position and a control position and is configured to be moved into the control position when a first actuating force is applied by a user to the control device
  • activation device is movable between an inactive position and an activated position and is configured to be moved into the activated position when a second actuating force is applied by a user to the activation device.
  • the first and second actuating forces are oriented substantially in the same direction.
  • Such an orientation of the first and second actuating forces provides an ergonomic advantage, since when the control device and the activation device are actuated by a single finger, the finger moves substantially in the same direction whether to actuate the control device or the activation device.
  • control device and the activation device are configured so as to be able to be actuated by the same finger of a user when the user holds the gripping handle.
  • Such a configuration of the control device and the activation device provides an ergonomic advantage allowing the user to quickly switch between the two devices by having to search less for the position of the device to which the finger should go.
  • the finger for example the index finger, will move from a reference position corresponding to the position of the control device to go to the activation device. This reference position does not vary, ensuring the user repeatability of the gesture to actuate the activation device. The same applies for the return of the finger to the control device.
  • control device and the activation device are each configured to be actuated by a user by pulling.
  • Such a configuration of the control device and the activation device provides an ergonomic advantage, since pull actuation is easier than push actuation.
  • control device is configured to be actuated by a user by pulling the control device towards the gripping handle, and/or the activation device is configured to be actuated by a user by pulling the activation device towards the gripping handle.
  • the vacuum cleaner comprises a biasing element configured to bias the control device towards the resting position, and a biasing device configured to bias the activation device towards the inactive position.
  • the biasing element is formed by an elastically deformable tab that is provided on the control device.
  • the elastically deformable tab can be configured to rest against the main body.
  • the elastically deformable tab extends from the first gripping part.
  • the biasing device is formed by a biasing spring.
  • the return arm of the activation device comprises a receiving housing in which the biasing spring is at least partially housed.
  • control device and the activation device are located substantially in a reference plane that is defined by a longitudinal axis of the suction duct and a median longitudinal axis of the gripping handle.
  • the control device and activation device are therefore located in the center of the vacuum cleaner, allowing the user to operate them with one finger, both with the left and right hand.
  • Such an arrangement of the activation device thus allows a user to activate the first and second operating modes of the motor fan, with a single finger, whether right-handed or left-handed.
  • the first and second contacts are vertically offset one above the other when the reference plane is vertical and the longitudinal axis of the suction duct is horizontal.
  • Such an arrangement of the first and second contacts makes it possible to obtain symmetry of the control and activation devices from the first and second gripping parts to the first and second contacts, so that the vacuum can be used by a right-handed or left-handed person, while guaranteeing a transmission of the force exerted on the first and second gripping parts to the first and second contacts which is distributed symmetrically around a median longitudinal plane of the vacuum cleaner, for increased longevity of the activation and control components.
  • the reference plane forms a median longitudinal plane of the vacuum cleaner.
  • control device is located in an upper part of the gripping handle.
  • Such an arrangement of the control device provides an ergonomic advantage, since it allows for actuation of the control device and the activation device with the index finger.
  • the median longitudinal axis of the gripping handle is tilted relative to the longitudinal axis of the suction duct.
  • the first gripping part and the second gripping part are configured to be cut by the same plane that is perpendicular to the median longitudinal axis of the gripping handle.
  • Such a configuration of the first and second gripping parts allows a user, wishing to actuate the activation device, to easily and ergonomically access the activation device, since the latter remains in the anatomical extension zone of the user's finger (index finger), who is able to actuate the control device.
  • control device and the activation device are located close to and under the main body in which the motor fan is housed.
  • the vacuum cleaner comprises a battery housing in which a rechargeable battery is housed, the gripping handle extending between the battery housing and the main body.
  • the electronic board is arranged in the gripping handle.
  • Such an arrangement of the electronic board makes it possible to optimize the internal spaces of the vacuum cleaner, especially when the gripping handle is located between the main body, which houses the suction device, and the battery housing.
  • the activation device is substantially arranged at the intersection of the main body and a support that is connected to the main body and is substantially parallel to the gripping handle.
  • the support extends between the main body and the battery housing, and connects the main body to the battery housing.
  • the activation device comprises a gripping hole.
  • Such a configuration of the activation device facilitates the actuation of the activation device by a user, and thus gives the vacuum cleaner according to the present invention increased ergonomics of use.
  • the gripping hole is oblong. Such a configuration of the gripping hole makes it even easier for a user to manipulate the activation device, since the latter does not have to precisely seek the position of the gripping hole in order to insert their finger therein.
  • the vacuum cleaner comprises a first stop, for example provided on the gripping handle, configured to limit the travel path of the control device to the control position, and a second stop, for example provided on the support connected to the main body, configured to limit the travel path of the activation device to the activation position.
  • the first gripping part and the second gripping part are spaced apart from each other by a distance that is less than 6 cm, and advantageously less than 4 cm, when the control device and the activation device occupy the resting position and the inactive position, respectively.
  • a distance that is less than 6 cm, and advantageously less than 4 cm, when the control device and the activation device occupy the resting position and the inactive position, respectively.
  • control device is a control trigger or a control button.
  • the activation device is an activation trigger or an activation button.
  • the waste separation device extends along a first extension axis and the motor fan extends along a second extension axis that is substantially parallel to the first extension axis.
  • the waste separation device is cyclonic.
  • the suction device comprises a motor casing in which the motor fan is placed.
  • the vacuum cleaner is a handheld vacuum cleaner.
  • FIG. 1 is a perspective view of a handheld vacuum cleaner according to the invention.
  • FIG. 2 is a side view of the handheld vacuum cleaner in FIG. 1 .
  • FIG. 3 is a longitudinal sectional view of the handheld vacuum cleaner in FIG. 1 .
  • FIG. 4 is a perspective view of a control device, an activation device and an electronic control unit of the handheld vacuum cleaner in FIG. 1 .
  • FIG. 5 is a partial cutaway perspective view of the handheld vacuum cleaner of FIG. 1 .
  • FIG. 6 is an enlarged view of a detail in FIG. 3 .
  • FIG. 7 is a partial cutaway perspective view of the handheld vacuum cleaner of FIG. 1 .
  • FIGS. 1 to 7 show a vacuum cleaner 2 that is portable and includes a main body 3 , a gripping handle 4 connected to the main body 3 , a waste separation device 5 removably mounted on the main body 3 , and a suction device 6 housed in the main body 3 .
  • the waste separation device 5 is advantageously cyclonic, and comprises in particular a waste storage container 7 , and a separator filter (not visible in the figures) housed in the waste storage container 7 .
  • the waste storage container 7 has, in particular, an air inlet opening and an air outlet opening.
  • the suction device 6 comprises a motor casing 12 and a motor fan 13 arranged in the motor casing 12 .
  • the motor fan 13 comprises a fan 13 . 1 and an electric motor 13 . 2 configured to rotate the fan.
  • the suction device 6 further comprises an air inlet port 14 and one or more air discharge ports 15 that are advantageously provided on the motor casing 12 .
  • the air inlet port 14 of the suction device 6 can be connected to the air outlet opening of the waste separation device 5 directly or via a connecting pipe.
  • the waste separation device 5 extends along a first extension axis A
  • the motor fan 13 extends along a second extension axis B that is substantially parallel to the first extension axis A, and which can be confused with the first extension axis A.
  • the vacuum cleaner 2 further comprises a rechargeable battery 16 configured to electrically power the motor fan 13 .
  • the rechargeable battery 16 is advantageously housed in a battery housing 17 connected to the gripping handle 4 , and more specifically to a lower part of the gripping handle 4 .
  • the vacuum cleaner 2 comprises a support 18 that extends substantially parallel to the gripping handle 4 and that connects the battery housing 17 to the main body 3 .
  • the vacuum cleaner 2 further comprises a suction duct 19 to which the air inlet opening of the waste separation device 5 is fluidly connected.
  • the suction duct 19 extends substantially parallel to the first and second extension axes A, B.
  • the motor fan 13 is more specifically configured to generate an air flow through the suction duct 19 and the waste separation device 5 .
  • the vacuum cleaner 2 also comprises a band coupler 21 fluidly connected to the suction duct 19 and to which a suction tube nozzle can be connected, which can itself be connected to a suction head provided with a sole intended to be oriented towards a floor to be cleaned.
  • the vacuum cleaner 2 further comprises an electronic control unit 22 which is configured to control the operation of the motor fan 13 according to a first operating mode, also known as normal operating mode, wherein the motor fan 13 is driven in rotation at a first rotation speed, and to control the operation of the motor fan 13 according to a second operating mode, also known as enhanced operating mode, wherein the motor fan 13 is driven in rotation at a second rotation speed that is greater than the first rotation speed.
  • a first operating mode also known as normal operating mode
  • a second operating mode also known as enhanced operating mode
  • the vacuum cleaner 2 comprises a control device 23 which is arranged advantageously on an upper part of the gripping handle 4 and which can be operated by a user, and an activation device 24 which is arranged opposite the control device 23 and which can also be operated by a user.
  • the control device 23 may be, for example, a control trigger or a control button
  • the activation control 24 may be, for example, an activation trigger or an activation button.
  • the control device 23 is movable between a resting position and a control position and is configured to be moved into the control position when a first actuating force is applied by a user to the control device 23
  • the activation device 24 is movable between an inactive position and an activated position and is configured to be moved into the activated position when a second actuating force is applied by a user to the activation device 24 .
  • the electronic control unit 22 is more specifically configured to control the operation of the motor fan 13 according to the first operating mode when the control device 23 is actuated by a user, i.e. is moved to the control position, and to control the operation of the motor fan 13 according to the second operating mode when the activation device 24 is actuated by a user, i.e. is moved to the activation position.
  • control device 23 and the activation device 24 are configured so as to be able to be actuated by the same finger of a user when the user holds the gripping handle 4 .
  • control device 23 is configured to be actuated by a user by pulling the control device 23 towards the gripping handle 4
  • the activation device 24 is configured to be actuated by a user by pulling the activation device 24 towards the gripping handle 4 .
  • first and second actuating forces to be applied respectively to the control device 23 and the activation device 24 to actuate them are oriented substantially in the same direction.
  • control device 23 and the activation device 24 are located substantially in a reference plane that is defined by a longitudinal axis C of the suction duct 19 and a median longitudinal axis D of the gripping handle 4 , and which forms, for example, a median longitudinal plane of the vacuum cleaner 2 .
  • control device 23 and the activation device 24 are located close to and under the main body 3 in which the motor fan 13 is housed.
  • the activation device 24 is arranged substantially at the intersection of the main body 3 and the support 18 that connects the battery housing 17 to the main body 3 .
  • the control device 23 is mounted to be movable in rotation around a first axis of rotation R 1 according to a first amplitude of rotation and the activation device 24 is mounted to be movable in rotation around a second axis of rotation R 2 according to a second amplitude of rotation.
  • the first and second axes of rotation R 1 , R 2 are parallel, and the second axis of rotation of the activation device 24 is placed in front of the first axis of rotation R 1 of the control device 23 with respect to the median longitudinal axis D of the gripping handle 4 .
  • each of the first and second rotation amplitudes is between 2 and 6°, and is for example about 4°, and an angular difference between the first and second rotation amplitudes is less than or equal to 5°, and preferably less than or equal to 2°.
  • the electronic control unit 22 comprises an electronic board 25 which is arranged in the gripping handle 4 and which is equipped with a first contact 26 and a second contact 27 .
  • first and second contacts 26 , 27 are vertically offset one above the other when the reference plane is vertical and the longitudinal axis C of the suction duct 19 is horizontal.
  • the control device 23 is configured to activate the first contact 26 when the control device 23 is actuated by a user, i.e. is moved to the control position
  • the activation device 24 is configured to activate the second contact 27 when the activation device 24 is actuated by a user, i.e. is moved to the activation position.
  • Each of the first and second contacts 26 , 27 may be an electromechanical contact, such as a switch, and for example a microswitch.
  • the electronic control unit 22 is configured to transmit to the motor fan 13 a control signal, which is configured to control the operation of the motor fan 13 in the first operating mode, when the first contact 26 is activated, and to transmit to the motor fan 13 an activation signal, which is configured to control operation of the motor fan 13 in the second operating mode, when the second contact 27 is activated.
  • the electronic control unit 22 is configured to control operation of the motor fan 13 according to the second operating mode only as long as the activation device 24 is actuated by a user, i.e. only as long as the second contact 27 is kept activated by the activation device 24 , and is configured to control operation of the motor fan 13 according to the first operating mode until the control device 23 is actuated again by a user, i.e. until the first contact 26 is activated again by the activation device 24 .
  • the electronic control unit 22 is configured to maintain motor fan 13 operation in the first mode of operation when the control device 23 is released by the user.
  • the control device 23 comprises a first gripping part 28 and the activation device 24 comprises a second gripping part 29 which is located at a distance from the first gripping part 28 and which is movable independently of the first gripping part 28 .
  • the first gripping part 28 and the second gripping part 29 are spaced apart from each other by a distance that is less than 6 cm, and advantageously less than 4 cm, when the control device 23 and the activation device 24 occupy the resting position and the inactive position, respectively.
  • the second gripping part 29 comprises a gripping hole 31 which may, for example, be circular, oblong or of any other shape.
  • the median longitudinal axis D of the gripping handle 4 is tilted relative to the longitudinal axis C of the suction duct, and the first gripping part 28 and the second gripping part 29 are configured to be cut by the same plane that is perpendicular to the median longitudinal axis D of the gripping handle 4 .
  • the activation device 24 also comprises a return arm 32 that is integral with the second gripping part 29 and that is configured to cooperate with the second contact 27 when the activation device 24 is actuated by a user.
  • the return arm 32 comprises a bearing part 33 that is elongated and that is configured to cooperate with the second contact 27 , and a perforated intermediate part 34 that connects the bearing part 33 to the second gripping part 29 .
  • the bearing part 33 of the return arm 32 may advantageously comprise an elastically deformable portion 35 that is configured to limit the forces applied by the return arm 32 against the second contact 27 when the activation device 24 is actuated by a user.
  • the elastically deformable portion 35 may be formed by a zone of thinner thickness.
  • the perforated intermediate part 34 advantageously delimits an opening passage 36 through which the control device 23 is configured to extend at least when the control device 23 is actuated by a user.
  • the perforated intermediate part 34 may comprise two lateral branches 37 spaced apart from each other and between which the first axis of rotation R 1 of the control device 23 is arranged.
  • control device 23 further comprises an additional return arm 38 which is integral with the first gripping part 28 and which is configured to cooperate with the first contact 26 .
  • the additional deflection arm 38 includes an elastically deformable part 39 that is configured to limit the forces applied by the additional deflection arm 38 against the first contact 26 when the actuator 23 is operated by a user.
  • the elastically deformable part 39 may, for example, be formed by a curved area.
  • the vacuum cleaner 2 has a first stop 41 , for example provided on the gripping handle 4 , configured to limit the travel path of the control device 23 to the operating position, and a second stop 42 , for example provided on the support 18 connected to the main body 3 , configured to limit the travel path of the activation device 24 to the activation position.
  • the presence of the first and second stops 41 , 42 , the elastically deformable part 35 and the elastically deformable portion 39 allows the integrity of the electronic board 25 , the additional return arm 38 and the return arm 32 , to be maintained, even when a user exerts high actuation forces on the first and second gripping portions 28 , 29 .
  • the vacuum cleaner 2 further comprises a biasing element 43 configured to bias the control device 23 to the rest position, and a biasing device 44 configured to bias the activation device 24 to the inactive position.
  • the biasing element 43 is formed by an elastically deformable tab which is provided on the control device 23 and is configured to be elastically deformed when the control device 23 is moved to the control position.
  • the elastically deformable tab may, for example, extend from the first gripping portion 28 and be configured to bear against the main body 3 or the motor casing 12 .
  • the biasing device 44 is formed by a compression spring, and the return arm 32 of the activating device 24 has a receiving recess 45 in which the compression spring is partially received.
  • the biasing device 44 may, for example, be configured to be supported on the one hand against a bottom wall of the receiving housing 45 , and on the other hand against the main body 3 or the motor casing 12 .
  • the motor fan 13 When the motor fan 13 is electrically powered, it creates a vacuum in particular in the waste separation device 5 so that air and waste are sucked in through the suction duct 19 .
  • the waste-laden air then enters the waste storage container 7 via the air inlet opening of the waste separation device 5 , which may, for example, open tangentially into the waste storage container 7 .
  • the air is thus rotated and the waste is centrifuged to the outside and collected by the waste storage container 7 .
  • the air stream then flows successively through the air outlet opening of the waste separation device 5 , the air inlet port 14 of the suction device 6 and the air discharge port(s) 15 of the suction device 6 . Then, the air flow escapes from the main body 3 through air discharge openings 46 provided thereon.
  • At least one, and for example each, of the first and second contacts 26 , 27 comprises several conductor tracks, for example two conductor tracks, which can be obtained by screen printing or by printing.
  • At least one, and preferably each, of the control device 23 and the activation device 24 comprises an additional contact comprising at least one conductive element, such as a pad made of conductive material or an additional conductive track which is configured to cooperate with the conductive tracks provided on the respective contact.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • User Interface Of Digital Computer (AREA)
US17/798,718 2020-02-13 2021-02-10 Vacuum Cleaner Comprising An Electronic Board Provided With First And Second Contacts Pending US20230079676A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR2001447A FR3107175B1 (fr) 2020-02-13 2020-02-13 Aspirateur comprenant une carte électronique équipée de premier et deuxième contacts
FRFR2001447 2020-02-13
PCT/EP2021/053206 WO2021160669A1 (fr) 2020-02-13 2021-02-10 Aspirateur comprenant une carte electronique equipee de premier et deuxieme contacts

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US20230079676A1 true US20230079676A1 (en) 2023-03-16

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US17/798,718 Pending US20230079676A1 (en) 2020-02-13 2021-02-10 Vacuum Cleaner Comprising An Electronic Board Provided With First And Second Contacts

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US (1) US20230079676A1 (de)
EP (1) EP3865040B1 (de)
JP (1) JP2023513365A (de)
KR (1) KR20220137985A (de)
CN (1) CN215305480U (de)
ES (1) ES2935188T3 (de)
FR (1) FR3107175B1 (de)
WO (1) WO2021160669A1 (de)

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SE449947B (sv) * 1985-10-04 1987-06-01 Electrolux Ab Anordning vid dammsugare
US6834413B2 (en) * 2002-06-24 2004-12-28 Electrolux Home Products, Inc. Variable speed leaf blower
JP5937418B2 (ja) * 2012-05-01 2016-06-22 株式会社マキタ 流体装置
KR102436534B1 (ko) * 2017-08-09 2022-08-26 삼성전자주식회사 진공청소기 및 진공청소기의 제어 방법
WO2019120184A1 (zh) * 2017-12-19 2019-06-27 江苏美的清洁电器股份有限公司 吸尘器手柄和吸尘器

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WO2021160669A1 (fr) 2021-08-19
CN215305480U (zh) 2021-12-28
ES2935188T3 (es) 2023-03-02
FR3107175B1 (fr) 2023-05-12
EP3865040B1 (de) 2022-12-07
JP2023513365A (ja) 2023-03-30
EP3865040A1 (de) 2021-08-18
KR20220137985A (ko) 2022-10-12
FR3107175A1 (fr) 2021-08-20

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