EP3349876A1 - Dispositif de filtrage pour dispositif d'aspiration - Google Patents

Dispositif de filtrage pour dispositif d'aspiration

Info

Publication number
EP3349876A1
EP3349876A1 EP16753376.9A EP16753376A EP3349876A1 EP 3349876 A1 EP3349876 A1 EP 3349876A1 EP 16753376 A EP16753376 A EP 16753376A EP 3349876 A1 EP3349876 A1 EP 3349876A1
Authority
EP
European Patent Office
Prior art keywords
filter
filter element
unit
suction device
cleaning
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.)
Withdrawn
Application number
EP16753376.9A
Other languages
German (de)
English (en)
Inventor
Andre Ullrich
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3349876A1 publication Critical patent/EP3349876A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • B01D46/762—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations involving sonic or ultrasonic waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/20—Devices for cleaning or cooling tool or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/55—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for cleaning appliances, e.g. suction cleaners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/121—Housing details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles
    • B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
    • B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle

Definitions

  • a filter device for a suction device comprises at least one connection unit to a connection with at least one filter element and at least one vibration unit, which has at least one exciter element for generating vibrations, which are intended to at least a cleaning of the filter element to act on the filter element.
  • the invention relates to a filter device for a suction device, with at least one connection unit to a connection with at least one filter element and at least one vibration unit, which has at least one excitation element for generating vibrations, which are provided, at least for cleaning the filter element to act on the filter element.
  • the at least one excitation element is provided to generate vibrations for cleaning the filter element whose frequency is greater than or equal to 1 kHz.
  • the term "provided” should be understood to mean in particular specially designed and / or specially equipped, In particular, an element and / or a unit for a specific function is intended to be understood as meaning that the element and / or the unit fulfill this specific function at least one application and / or Meet / fulfill and / or execute / execute operating condition.
  • the at least one excitation element is preferably designed as a vibration exciter.
  • the at least one excitation element is designed to be electrically driven, in particular electromagnetically driven.
  • the at least one exciter element is preferably designed as an electrical excitation element, in particular as an electromagnetic excitation element.
  • At least one excitation element has another, a skilled person appear appropriate design and / or in another, a person skilled in apparent sense drivable manner, such as pneumatically driven, hydraulically driven, electro-hydraulically driven o.
  • at least one oscillation generator of the excitation element is preferably oscillating, in particular translatory or rotationally oscillating, drivable.
  • the vibration generator of the at least one excitation element oscillates oscillatingly, in particular translationally or rotationally oscillatingly, in order to generate oscillations.
  • the filter device comprises at least one control and / or regulating unit which is provided to control and / or regulate the at least one exciter element to generate oscillations.
  • a "control and / or regulating unit” should be understood to mean, in particular, a unit having at least one control electronics.
  • Control electronics are to be understood in particular as meaning a unit having a processor unit and a memory unit as well as an operating program stored in the memory unit.
  • the oscillation unit can also have a number of excitation elements that differs from an excitation element.
  • the term "vibration unit” should in particular define a unit which is specifically intended to generate vibrations, in particular mechanical vibrations, which are intended to act on at least one element and in particular to stimulate this element to vibrate, in particular for cleaning purposes.
  • connection unit is provided for a non-positive and / or positive connection with the filter element.
  • connection unit provided at least for an arrangement of the filter element on the filter device.
  • connection unit is provided to a detachable arrangement of the filter element on the filter device.
  • connection unit is provided as an alternative or in addition to the arrangement of the filter element on the filter device for a non-positive and / or positive connection of the filter element to the vibration unit.
  • the filter element is alternatively or additionally connected to a non-positive and / or positive connection by means of a material connection with the vibration unit, in particular with the at least one excitation element, such as by means of a
  • connection unit may comprise at least one receiving element, in particular a receiving recess, in which the filter element is at least partially inserted.
  • connection unit has at least one clamping element for clamping the filter element to a frame element and / or to a receiving element of the connection unit, that the connection unit has at least one screw element for fixing the filter element to the frame element and / or to the receiving element the connection unit or that the connection unit has another, to a person skilled in the appearing appropriate design, which is provided for connection to the filter element, in particular a direct connection of the vibration unit with the filter element.
  • the filter device comprises at least the filter element.
  • the filter device comprises a plurality of filter elements, which are preferably by means of the at least one exciting element or a plurality of excitation elements of the vibration unit in vibration, in particular for cleaning purposes.
  • the at least one excitation element is applied directly to the filter element.
  • the at least one exciter element is arranged on the filter element with the interposition of at least one element, in particular of a coupling element of the oscillation unit, and / or is connected to the filter element.
  • the filter element by means of an action of vibrations that can be generated by the at least one exciter element, swinging excitable.
  • the filter element is by means of the at least one excitation element vibrating.
  • the at least one excitation element is advantageously provided to generate vibrations for cleaning the filter element whose frequency is in particular greater than or equal to 5 kHz, preferably greater than or equal to 10 kHz and more preferably greater than or equal to 16 kHz.
  • a high level of comfort for an operator of a suction device which has at least one filter device according to the invention, can be achieved since low noise generation due to the high frequencies of vibrations which can be generated by means of the at least one excitation element can be realized during cleaning of the filter element ,
  • the at least one excitation element is provided for generating vibrations for cleaning the filter element with a frequency greater than or equal to 10 kHz.
  • the at least one excitation element is provided to generate vibrations for cleaning the filter element at a frequency preferably greater than or equal to 20 kHz and particularly preferably greater than or equal to 1 GHz.
  • a particularly low-noise cleaning process for cleaning the filter element can advantageously be made possible.
  • advantageous vibration modes can be generated for cleaning the filter element.
  • the at least one exciter element is designed as an ultrasound excitation element.
  • the at least one excitation element is provided to generate vibrations to a cleaning of the filter element with a frequency less than or equal to 1.5 GHz.
  • the at least one excitation element is provided to generate ultrasonic vibrations to clean the filter element.
  • the at least one excitation element is intended to generate vibrations which act permanently or cyclically on the filter element for cleaning the filter element, in particular during operation of the suction device.
  • the at least one exciter element preferably generates vibrations during a permanent action of vibrations on the filter element over a total operating time of the suction device, which vibrations permanently act on the filter element during operation of the suction device.
  • a generation of vibrations in particular with a cyclic effect of vibrations on the filter element, a generation of
  • Vibrations in a predetermined time interval conceivable, in particular during operation of the suction device. It is also conceivable that with a cyclic action of vibrations on the filter element, a generation of vibrations after completion of a suction with the Absaugvorrich- device takes place, in particular to ensure an advantageous cleaning of the filter element after use of the suction device. Alternatively or additionally, however, it is also conceivable that an action of vibrations on the filter element takes place dynamically, for example as a function of at least one filter characteristic.
  • the filter device advantageously comprises at least one sensor unit which has at least one sensor element which is provided to at least one filter characteristic of the filter element, such as a degree of contamination of the filter element o.
  • a cleaning of the filter element by means of oscillations, which are generated by the at least one exciter element takes place in dependence on the detected filter characteristic.
  • the oscillation unit comprises at least one fastening element, which is provided to fix the at least one excitation element to the connection unit and / or to the filter element, in particular to releasably fix it.
  • the fastener may be integral with be formed at least one excitation element or be formed separately to this.
  • one-piece should be understood in particular to be at least materially bonded, for example by a welding process, an adhesion process, an injection process and / or another process that appears appropriate to a person skilled in the art, and / or advantageously shaped in one piece, such as by a Production from a casting and / or by a production in a one-component or multi-component injection molding method and advantageously from a single blank
  • the fastening element is preferably provided for the at least one excitation element by means of a positive and / or non-positive connection to the connection unit and / or
  • An integral connection of the at least one excitation element to the connection unit and / or the filter element, in particular by means of an adhesive connection, is also conceivable ement, be designed as a clamping element or as another, a person skilled in appearing useful fastener.
  • the oscillation unit may also comprise a different number of fastening elements, which are provided to fix the at least one exciter element to the connecting unit and / or to the filter element, in particular releasably to fix.
  • fastening elements which are provided to fix the at least one exciter element to the connecting unit and / or to the filter element, in particular releasably to fix.
  • oscillations having a frequency greater than or equal to 1 kHz generated in at least one method step by means of the vibration unit of the filter device act on a cleaning of the filter element on the filter element.
  • oscillations having a frequency greater than or equal to 10 kHz, preferably greater than or equal to 20 kHz and particularly preferably less than 1.5 GHz by means of the oscillation unit of the filter device preferably act on a cleaning of the filter element on the filter element.
  • the vibrations by means of of the at least one excitation element are producible, have a frequency which is greater than 1, 5 GHz.
  • ultrasonic vibrations act to clean the filter element on the filter element.
  • a low-noise cleaning of the filter element can be made possible.
  • a high level of comfort can be achieved for an operator of a suction device having at least one filter device according to the invention, since during cleaning of the filter element low noise generation due to the high frequencies of vibrations which can be generated by means of the at least one exciter element can be made possible ,
  • a suction device with at least one filter device is proposed.
  • the suction device can be designed as a vacuum cleaner or the suction device can be designed as a suction module, which can be arranged detachably on a housing of a portable machine tool.
  • the suction device preferably comprises at least one roller unit, by means of which the suction device is movable on a base, in particular movable, is.
  • the suction device is designed as decoupled from a roller unit and is designed as a hand vacuum cleaner.
  • the suction device preferably comprises at least one connection interface, by means of which the suction device, in particular a housing of the suction device, by means of a positive and / or non-positive connection releasably connectable to the housing of the portable power tool.
  • the suction device comprises at least one housing, wherein the filter device has at least one fixing element which serves to fix the at least one excitation element of the vibration element.
  • supply unit is provided on the connection unit and / or on the housing.
  • the fixing element is intended to cooperate with a fastening element of the vibration unit to fix the at least one excitation element of the vibration unit to the connection unit.
  • the fixing element is preferably formed corresponding to the fastening element of the vibration unit.
  • the fixing element can be designed as a latching element, as a clip element, as a threaded element, as a clamping element or as another, to a person skilled in the sense appearing fixing, which is designed in particular corresponding to the fastening element.
  • the fixing element can be arranged on a frame element and / or a receiving element of the connection unit, in particular be formed integrally with the frame element and / or the receiving element.
  • the suction device comprises at least one air flow unit for generating an air flow for transporting particulates, wherein the filter device, viewed along a main flow direction of the air flow, is arranged at least to a large extent in front of the air flow unit.
  • a large part is meant in particular more than 30%, preferably more than 50% and particularly preferably more than 70% of a total volume of an element and / or a unit
  • the fan wheel is intended to generate a negative pressure in order to generate an air flow for a transport of particles.
  • the airflow unit may also have another configuration which appears expedient to a person skilled in the art, for example a design as a pump or the like. tion can be advantageously achieved a particularly effective cleaning of the filter element. It can be advantageously achieved a compact arrangement of the filter device.
  • a portable machine tool in particular a drilling and / or
  • the suction device may be integrated into a housing of the portable power tool or the suction device may be detachably locatable on the housing of the portable power tool.
  • a "portable machine tool” is to be understood here as meaning, in particular, a machine tool for machining workpieces which can be transported by an operator so that it can not be transported, the portable machine tool in particular having a mass smaller than 40 kg, preferably smaller than
  • the portable power tool is designed as an electrically operable portable power tool, such as a battery-powered and / or a wired portable power tool, wherein the portable power tool is preferably a rotary and / or chisel hammer
  • the portable power tool it is also conceivable for the portable power tool to have another configuration that appears appropriate to a person skilled in the art, such as angle grinders, routers, jigsaws, grinding machines, gardening machines or the like
  • Emessel embodiment can advantageously be made possible a low-noise cleaning of
  • a long service life of the portable power tool can be achieved. Furthermore, a high level of comfort for an operator of the portable power tool can advantageously be achieved since, during cleaning of the filter element, low noise generation due to the high frequencies of vibrations which can be generated by means of the at least one excitation element can be made possible.
  • the filter device according to the invention, the inventive method, the suction device according to the invention and / or the portable power tool according to the invention should / should not be limited to the application and embodiment described above.
  • the filter device according to the invention, the method according to the invention can / can
  • the suction device according to the invention and / or the portable power tool according to the invention have a number deviating from a number of individual elements, components and units as well as method steps as described herein in order to fulfill a mode of operation described herein.
  • values lying within the stated limits are also to be disclosed as disclosed and used as desired.
  • FIG. 1 shows a portable power tool according to the invention, in particular a hammer drill, with at least one suction device according to the invention, which comprises at least one filter device according to the invention, in a schematic representation,
  • Fig. 2 is a detailed view of the filter device according to the invention in a schematic representation
  • Fig. 3 shows a suction device according to the invention, which is designed as a vacuum cleaner and at least comprises a filter device according to the invention, in a schematic representation.
  • FIG. 1 shows a portable machine tool 30a with at least one suction device 12a.
  • the portable power tool 30a is shown in FIG. Asked embodiment designed as a hammer drill. However, it is also conceivable for the portable power tool 30a to have another configuration which appears expedient to a person skilled in the art, such as a design as a drill and / or chisel hammer or the like.
  • the portable machine tool 30a comprises at least one percussion device 32a.
  • the portable power tool 30a comprises a housing 34a on which a tool receptacle 38a of the portable power tool 30a is arranged to receive a tool 40a in a front region 36a.
  • the tool holder 38a can be designed as a chuck, as an SDS® tool holder or as another tool holder that appears useful to a person skilled in the art.
  • the portable power tool 30a On a side 42a facing away from the front region 36a, the portable power tool 30a comprises a main handle 44a for guiding the portable machine tool 30a and for transmitting a force from an operator to the portable power tool 30a.
  • the portable power tool 30a is preferably implemented with a detachable auxiliary handle 46a.
  • the auxiliary handle 46a can be detachably connected to the housing 34a of the portable machine tool 30a, in particular in the region of the tool holder, via a latching connection or other connections that appear useful to a person skilled in the art
  • the portable power tool 30a has a drive unit 48a.
  • the drive unit 48a is as
  • a drive torque of the drive unit 48a is at least equal to Generation of a shock pulse to the percussion device 32 a transferable.
  • the portable power tool 30a is decoupled from the output unit 50a and the drive unit 48a acts to generate a shock pulse essentially directly on the percussion mechanism 32a.
  • a percussion impulse of percussion device 32a is on a manner that is already known to a person skilled in the art.
  • the suction device 12a is designed as a suction module.
  • the suction device 12a is detachably attachable to the portable power tool 30a, particularly to a receiving interface of the portable power tool 30a disposed on the housing 34a of the portable power tool 30a.
  • the receiving interface of the portable power tool 30a is provided in a manner already known to a person skilled in the art for a positive and / or non-positive connection with the suction device 12a, such as a push-in interface, a bayonet catch, a connecting groove, a connecting web or the like
  • the suction device 12a is integrated into the portable power tool 30a, in particular at least for the most part within the housing 34a of the portable power tool 30a.
  • the suction device 12a comprises at least one filter device 10a.
  • the suction device 12a has at least one housing 52a, wherein the filter device 10a has at least one fixing element 24a for fixing at least one excitation element 20a of a vibration unit 18a of the filter device 10a to a connection unit 14a of the filter device 10a and / or to the housing 52a of the suction device 12a is provided.
  • the fixing element 24a is provided, in particular, for cooperating with a fastening element 22a of the oscillation unit 18a for fixing the at least one excitation element 20a of the oscillation unit 18a to the connection unit 14a and / or to the housing 52a of the suction device 12a.
  • the fixing element 24a is preferably formed corresponding to the fastening element 22a of the vibration unit 18a.
  • the fixing element 24a can be designed as a locking element, as a clip element, as a threaded element, as a clamping element or as another, one skilled in the art seem appropriate fixing element which is formed in particular corresponding to the fastening element 22a of the vibration unit 18a.
  • the fixing element 24a can be attached to a frame element and / or a receiving element of the connection unit
  • Be arranged 14a in particular be formed integrally with the frame member and / or the receiving element.
  • the exhaust device 12a comprises at least one air flow unit 26a for generating an air flow for transporting particles, wherein the filter device 10a, viewed along a main flow direction 28a of the air flow, is arranged at least in large part in front of the air flow unit 26a.
  • the airflow unit 26a preferably has at least one fan wheel already known to a person skilled in the art (not shown here in detail) for generating an airflow.
  • the fan wheel is intended to generate a negative pressure in order to generate an air flow for a transport of particles.
  • the airflow unit 26a can also comprise another element that appears reasonable to a person skilled in the art, which is intended to generate a negative pressure in order to generate an airflow for transporting particles, such as a pump or the like.
  • the airflow unit 26a can, in particular, in a state of the suction device 12a arranged on the portable power tool 30a, by means of the drive unit 48a of the portable power tool 30a, or the suction device 12a comprises a separate drive unit (not shown in detail here) for driving the airflow unit 26a, in particular at least a drive of
  • the main flow direction 28a of the air flow which can be generated by means of the air flow unit 26a, extends from an intake region of the suction device 12a in a manner already known to a person skilled in the art in the direction of the filter device 10a up to a blow-off region of the suction device 12a.
  • the suction region is arranged in a manner already known to a person skilled in the art in the region of the tool 40a and / or the tool holder 38a.
  • the intake region is preferably arranged at least partially around the tool 40a and / or around the tool holder 38a. It can In a manner already known to a person skilled in the art, extraction of particles in the vicinity of a processing point of a workpiece is made possible.
  • FIG. 2 shows a detailed view of the filter device 10a.
  • the filter device 10a shows a detailed view of the filter device 10a.
  • the filter device 10a for the suction device 12a comprises at least the connection unit 14a for connection to at least one filter element 16a. Furthermore, the filter device 10a comprises at least the oscillation unit 18a which has the at least one excitation element 20a for generating oscillations which are intended to act on the filter element 16a at least for a cleaning of the filter element 16a. Preferably, the filter device 10a comprises the filter element 16a. It is conceivable that the filter device 10a comprises a different number of filter elements 16a, which are in particular connectable to the connection unit 14a or can be arranged on the connection unit 14a, in particular detachably arranged. The
  • Connection unit 14a is provided for a frictional and / or positive connection with the filter element 16a.
  • the connection unit 14a is provided at least to an arrangement of the filter element 16a on the filter device 10a.
  • the connection unit 14a is provided to a detachable arrangement of the filter element 16a on the filter device 10a.
  • the connection unit 14a is provided for a non-positive and / or positive connection of the filter element 16a with the vibration unit 18a.
  • the filter element 16a alternatively or in addition to a non-positive and / or positive connection by means of a material connection with the vibration unit 18a, in particular with the at least one excitation element 20a, connected, such as by means of an adhesive bond o.
  • the connecting unit 14a can have at least one receiving element, in particular a receiving recess, into which the filter element 16a can be inserted at least partially.
  • connection unit 14a it is also conceivable for the connection unit 14a to have at least one clamping element for clamping the filter element 16a to a frame element and / or to a receiving element of the connection unit 14a, that the connection unit 14a has at least one screw element for fixing the filter element 16a to the frame element and / or at the Receiving element of the connection unit 14a or that the connection unit 14a has another, a skilled person appear appropriate design, which is provided for connection to the filter element 16a, in particular a direct connection of the vibration unit 18a with the filter terelement 16a.
  • the oscillation unit 18a comprises at least one fastening element 22a, which is provided to fix the at least one excitation element 20a to the connection unit 14a and / or to the filter element 16a.
  • the oscillation unit 18a may also comprise a different number of fastening elements 22a, which are provided to fix the at least one excitation element 20a or a plurality of excitation elements 20a of the oscillation unit 18a to the connection unit 14a and / or to the filter element 16a.
  • the fastening element 22a can be formed in one piece with the at least one excitation element 20a or can be formed separately therefrom.
  • Fastener 22a is preferably provided to fix the at least one excitation element 20a by means of a positive and / or non-positive connection to the connection unit 14a and / or to the filter element 16a.
  • the fastening element 22a can be designed as a latching element, as a clip element, as a threaded element, as a clamping element or as another fastening element which appears expedient to a person skilled in the art.
  • the fastening element 22a is in particular provided with the fixing element 16a of the filter device
  • the fastening element 22a is preferably formed corresponding to the fixing element 16a.
  • the at least one excitation element 20a is intended to generate vibrations for cleaning the filter element 16a whose frequency is greater than or equal to 1 kHz.
  • the at least one excitation element 20a is advantageously provided to generate vibrations for a cleaning of the filter element 16a with a frequency greater than or equal to 10 kHz.
  • the at least one excitation element 20a is advantageously provided to generate vibrations for a cleaning of the filter element 16a whose frequency in particular greater than or equal to 15 kHz, preferably greater than or equal to 20 kHz, and more preferably less than or equal to 1.5 GHz.
  • the at least one exciter element 20a is designed as an ultrasound excitation element.
  • the at least one excitation element 20a is designed in particular as an electromagnetic excitation element.
  • the suction device 12a or the filter device 10a comprises at least one control and / or regulating unit 62a, which is provided to control and / or regulate the at least one excitation element 20a to generate vibrations.
  • Control and / or regulating unit 62a may also be part of a control and / or regulating unit (not shown here in detail) of the portable power tool 30a, wherein the control and / or regulating unit integrated in the control and / or regulating unit of the portable power tool 30a 62a of the suction device 12a or the filter device 10a is provided at least in a state arranged on the portable power tool 30a of the suction device 12a for controlling and / or regulating the at least one exciting element 20a.
  • the at least one excitation element 20a is intended to generate vibrations which permanently act on a cleaning of the filter element 16a, in particular over a total operating time or an entire operating time of the suction device 12a, or cyclically on the filter element 16a, in particular during operation of the suction device 12a .
  • the at least one exciter element 20a preferably generates vibrations during a permanent action of vibrations on the filter element 16a over a total operating time of the suction device 12a which permanently act on the filter element 16a during operation of the suction device 12a.
  • a generation of vibrations which affect the filter element
  • Act 16a in a predetermined time interval conceivable, in particular during operation of the suction device 12a. It is also conceivable that, upon cyclic action of vibrations on the filter element 16a, generation of vibrations which act on the filter element 16a takes place after completion of a suction operation with the suction device 12a, in order in particular to special to ensure an advantageous cleaning of the filter element 16a after use of the suction device 12a. Alternatively or additionally, however, it is also conceivable that an action of vibrations on the filter element 16a takes place dynamically, for example as a function of at least one filter characteristic.
  • the filter device 10a advantageously comprises at least one sensor unit which has at least one sensor element which is provided, at least one filter characteristic of the filter element 16a, such as a degree of contamination of the Filterele- element 16a o. The like., In particular, a cleaning of the filter element 16a by means of vibrations, which are generated by the at least one excitation element 20a, in response to the detected filter characteristic.
  • a negative pressure in the suction device 12a can be generated by means of the airflow unit 26a in a manner already known to a person skilled in the art.
  • an air flow is generated, which causes the particles to be sucked off through the intake region of the suction device 12a in a manner already known to a person skilled in the art in the direction of the filter device 10a into a collecting container 60a of the suction device 12a.
  • the particles to be sucked off are deposited on the filter element 16a in a manner already known to a person skilled in the art and remain at least until emptying of the collecting container 60a in the collecting container 60a.
  • a method for cleaning at least the filter element 16a for the suction device 12a, in particular by means of the oscillation unit 18a of the filter device 10a comprises at least one method step in which vibrations generated by the oscillation unit 18a of the filter device 10a have a frequency greater than or equal to 1 kHz, in particular greater than or equal
  • FIG. 3 shows a further exemplary embodiment of the invention.
  • the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, with reference in principle also to the drawings and / or the description of the other exemplary embodiment, in particular with respect to identically named components, in particular with regard to components having the same reference numerals Figures 1 and 2, can be referenced.
  • the letter a is the reference numeral of the embodiment in Figures 1 and 2 adjusted.
  • the letter a is replaced by the letter b.
  • FIG. 3 shows a suction device 12b with at least one filter device 10b.
  • the suction device 12b is designed as a vacuum cleaner.
  • the filter device 10b for the suction device 12b comprises at least one connection unit 14b for connection to at least one filter element 16b.
  • the suction device 12b comprises at least one vibration unit 18b which has at least one excitation element 20b for generating vibrations which are intended to act on the filter element 16b at least for cleaning the filter element 16b.
  • the at least one excitation element 20b is intended to generate vibrations for cleaning the filter element 16b whose frequency is greater than or equal to 1 kHz, in particular greater than or equal to 16 kHz, and more preferably less than or equal to 1.5 GHz.
  • the at least one excitation element 20b is provided, in particular, for generating ultrasonic vibrations which act on the filter element 16b for cleaning the filter element 16b.
  • the suction device 12b preferably comprises at least one roller unit 54b, by means of which the suction device 12b can be moved on a substrate is.
  • the suction device 12b is decoupled from the roller unit 54b and is designed in particular as a hand vacuum cleaner.
  • the suction device 12b may be formed as a bagless vacuum cleaner or as a vacuum cleaner with bag.
  • the suction device 12b comprises at least one housing 52b, wherein the filter device 10b has at least one fixing element 24b, which is provided for fixing the at least one exciter element 20b of the oscillation unit 18b of the filter device 10b to the connection unit 14b and / or to the housing 52b of the suction device 12b.
  • the suction device 12b has at least one air flow unit 26b for generating an air flow for transporting particles, wherein the filter device 10b, viewed along a main flow direction 28b of the air flow, is arranged at least in large part in front of the air flow unit 26b.
  • the suction device 12b comprises a drive unit 58b, in particular an electric motor.
  • An air stream is generated in a manner already known to a person skilled in the art.
  • the suction device 12b comprises at least one suction hose 56b which can be fixed to the housing 52b of the suction device 12b.
  • the suction device 12b is by means of the suction hose 56b in a manner already known to a person skilled in the art with a suction adapter such as a bottom suction adapter, a workpiece suction adapter, a pad suction adapter or the like, the suction device 12b or with a connecting piece of a machine tool, in particular a portable one Machine tool (not shown here) connectable.
  • a suction adapter such as a bottom suction adapter, a workpiece suction adapter, a pad suction adapter or the like
  • the suction device 12b or with a connecting piece of a machine tool in particular a portable one Machine tool (not shown here) connectable.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Brushes (AREA)

Abstract

La présente invention concerne un dispositif de filtrage destiné à un dispositif d'aspiration, comprenant au moins une unité de liaison (14a, 14b) pour effectuer la liaison avec au moins un élément filtrant (16a, 16b) et au moins une unité d'oscillation (18a, 18b) qui présente au moins un élément d'excitation (20a, 20b) pour produire des oscillations qui servent à agir sur l'élément filtrant (16a; 16b) pour réaliser au moins un nettoyage de l'élément filtrant (16a; 16b). Selon l'invention, l'au moins un élément d'excitation (20a; 20b) est conçu pour produire des oscillations, destinées au nettoyage de l'élément filtrant (16a; 16b), dont la fréquence est supérieure ou égale à 1 kHz.
EP16753376.9A 2015-09-17 2016-08-17 Dispositif de filtrage pour dispositif d'aspiration Withdrawn EP3349876A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015217825.0A DE102015217825A1 (de) 2015-09-17 2015-09-17 Filtervorrichtung für eine Absaugvorrichtung
PCT/EP2016/069515 WO2017045857A1 (fr) 2015-09-17 2016-08-17 Dispositif de filtrage pour dispositif d'aspiration

Publications (1)

Publication Number Publication Date
EP3349876A1 true EP3349876A1 (fr) 2018-07-25

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Application Number Title Priority Date Filing Date
EP16753376.9A Withdrawn EP3349876A1 (fr) 2015-09-17 2016-08-17 Dispositif de filtrage pour dispositif d'aspiration

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US (1) US20180280857A1 (fr)
EP (1) EP3349876A1 (fr)
KR (1) KR20180052639A (fr)
CN (1) CN108025242A (fr)
DE (1) DE102015217825A1 (fr)
WO (1) WO2017045857A1 (fr)

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EP3424301A1 (fr) * 2017-07-04 2019-01-09 Andreas Stihl AG & Co. KG Procédé de détermination d'un état de pollution d'au moins un composant d'un appareil de jardinage et/ou forestier et système d'appareil forestier et/ou de jardinage
JP7098318B2 (ja) * 2017-12-21 2022-07-11 株式会社マキタ 電動工具用集塵装置及び電動工具
JP2019111596A (ja) * 2017-12-21 2019-07-11 株式会社マキタ 電動工具用集塵装置及び電動工具
US11235433B2 (en) * 2017-12-22 2022-02-01 Milwaukee Electric Tool Corporation Dust collector with filter cleaning mechanism
DE102018215308A1 (de) * 2018-09-10 2020-03-12 Robert Bosch Gmbh Staubsaugvorrichtung
CN215968574U (zh) 2018-11-19 2022-03-08 米沃奇电动工具公司 适于与手持式电动工具一起使用的集尘器
DE102020213170A1 (de) * 2020-10-19 2022-04-21 Robert Bosch Gesellschaft mit beschränkter Haftung Absaugvorrichtung
DE102021002350A1 (de) 2021-05-01 2022-11-03 Producteers International Gmbh Sammelvorrichtung für ein angetriebenes tragbares Werkzeug

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DE10321921A1 (de) * 2003-05-15 2004-12-02 BSH Bosch und Siemens Hausgeräte GmbH Staubsauger mit einer Utraschall-Reinigungsvorrichtung für Keramikfilter
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WO2012147050A1 (fr) * 2011-04-29 2012-11-01 Koninklijke Philips Electronics N.V. Dispositif autonettoyant et procédé pour purificateur d'air
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KR102034300B1 (ko) * 2013-02-05 2019-10-18 엘지전자 주식회사 공기 조화기 및 그 제어 방법

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KR20180052639A (ko) 2018-05-18
WO2017045857A1 (fr) 2017-03-23
CN108025242A (zh) 2018-05-11
DE102015217825A1 (de) 2017-03-23
US20180280857A1 (en) 2018-10-04

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