EP3274512B1 - Dispositif collecteur de poussière et procédé pour utiliser le collecteur - Google Patents

Dispositif collecteur de poussière et procédé pour utiliser le collecteur Download PDF

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Publication number
EP3274512B1
EP3274512B1 EP16717097.6A EP16717097A EP3274512B1 EP 3274512 B1 EP3274512 B1 EP 3274512B1 EP 16717097 A EP16717097 A EP 16717097A EP 3274512 B1 EP3274512 B1 EP 3274512B1
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EP
European Patent Office
Prior art keywords
dirt
suction
suction fan
container
intermediate container
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
EP16717097.6A
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German (de)
English (en)
Other versions
EP3274512A2 (fr
Inventor
Peter NOEHR LARSEN
Martin WALTERS SCHMIDT
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.)
Nilfisk AS
Original Assignee
Nilfisk AS
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Publication date
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Priority to DK19159002.5T priority Critical patent/DK3514286T3/da
Priority to EP19159002.5A priority patent/EP3514286B1/fr
Publication of EP3274512A2 publication Critical patent/EP3274512A2/fr
Application granted granted Critical
Publication of EP3274512B1 publication Critical patent/EP3274512B1/fr
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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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1409—Rigid filtering 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/22—Floor-sweeping machines, hand-driven
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4027—Filtering or separating contaminants or debris
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4027—Filtering or separating contaminants or debris
    • A47L11/403—Means for monitoring filtering operation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • 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
    • 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
    • A47L9/106—Dust removal
    • 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
    • A47L9/1683—Dust collecting chambers; Dust collecting 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
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2821—Pressure, vacuum level or airflow
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0854—Apparatus in which the mechanically dislodged dirt is partially sucked-off, e.g. dislodging- sweeping apparatus with dirt collector in brush housing or dirt container
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
    • E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers

Definitions

  • the invention relates to a dirt collecting device for a cleaning device in the form of a sweeping vehicle and a method for operating the cleaning device according to the preamble of the independent claims.
  • a dirt collecting device for a sweeper is, for example, with the subject of DE 32 13 089 A1 or the DE 103 56 419 B3 or the DE 198 51 666 C1 been described. All embodiments and functions described therein are part of the present invention description. It follows that a dirt collector for a sweeping vehicle can only have a front or bottom side operated sweeping roller, but also additional, front in the front sweeping rollers, as in the front DE 32 13 089 A1 have been described by the reference numeral 10.
  • a flow rate in the range of 30 to 40 liters per second is required for effective cleaning of hard floors, resulting in a power ranging between 900 to 1500 watts of an associated suction fan.
  • the DE 16 58 383 A1 discloses a dirt collecting device for a cleaning device in the form of a sweeping vehicle, and a method for operating a dirt collecting device for a sweeping vehicle, consisting of a slidably driven over the plane of travel housing in which at least one rotationally driven sweeping roller is arranged, the coarse and fine dirt from the Abandles the road surface and supported by a suction air flow in the speed and / or power adjustable suction fan transported into a sump, wherein in the housing of the dirt collecting a lying in the suction air flow of the suction fan intermediate container for temporary intermediate storage of coarse dirt is arranged.
  • the known street sweepers with dirt collecting devices assume that the power of the suction fan is continuously operated at a maximum value to ensure that the recorded by the sweeping roller coarse dirt in the form of empty glass bottles, heavy stones and the like immediately into a coarse dirt collector can be transported.
  • a coarse dirt collector is for example in the DE 198 51 666 C1 denoted by the reference numeral 6.
  • a maximum suction pressure must always prevail at the local suction mouthpiece in order to ensure that the coarse dirt is reliably conveyed into the elevated coarse dirt collecting container.
  • this has the disadvantage that the suction fan always runs on a maximum capacity and accordingly the energy consumption and the noise emission of such sweeper is high.
  • the brush roller used on the front is designed so that it has to promote the recorded from the bottom side coarse and fine dirt on an elevated conveyor line in a downstream container, which is associated with an increased suction pressure and unwanted noise emission.
  • the brush roller fails to promote the recorded coarse dirt in the form of stones or other heavy, non-airworthy objects in the downstream collection container.
  • the invention is therefore based on the object, a method for operation and a dirt collecting device for a cleaning device in the form of a sweeping vehicle of the type mentioned in such a way that the suction fan used for this purpose works with much lower energy consumption and lower noise emission.
  • a device is characterized by the subject matter of independent claim 1.
  • the device is operated by a method according to independent claim 3.
  • the invention provides that in the housing of the dirt collecting device for a cleaning device, in particular a sweeping vehicle, an intermediate container is integrated, which is in the air flow of the suction fan and which is intended only - not under the effect of the current, reduced suction pressure. airworthy - Grobschmutz record, while the fine dirt immediately on this intermediate container away - even under the influence of reduced suction pressure - is transported in a repository designated collection container.
  • the collection container provided on the end bearing side is divided in it. It can be formed from a coarse dirt container and a downstream fine dust container.
  • the idea of the invention is to operate the suction fan in the cleaning device, in particular in the sweeping vehicle or the vacuum cleaner so that it only works with a reduced air speed, due to the reduced air speed only little energy is consumed by the suction fan. Accordingly, the noise level is reduced.
  • the rotating driven sweeping roller can absorb the fine dirt and coarse dirt.
  • the suction pressure is just enough to fill the intermediate container, which is arranged essentially at the same level or slightly elevated, with the non-flyable coarse dirt.
  • the filling takes place on the one hand by the mechanical energy of the sweeping roller, which is only slightly supported by the reduced suction pressure.
  • the fine dirt is conveyed (or removed) through the intermediate container at the reduced suction pressure and taken up in a downstream collection container arranged downstream of the final storage.
  • a halving of the air flow in the area of the dirt collection device for the sweeper results in that the suction fan used requires only a quarter of the energy normally consumed. Therefore, during the largest period of operation of the dirt collecting device for the sweeper, the suction power of the suction fan is greatly reduced (normal operation), because the reduced suction should be just enough to carry the recorded fine dirt in the end storage side provided collection container, while the recorded coarse dirt due to the low air velocity used is not airworthy and is taken up in a arranged in the housing of the dirt collecting intermediate container.
  • the air flow and the noise level are low and the energy consumption of the suction fan is reduced. Only when the intermediate container must be emptied, the air flow of the suction fan must be increased by a factor of 1.5 to 2 and, accordingly, the performance of the fan.
  • the suction fan works only with its maximum energy consumption for the purpose of emptying the intermediate container of coarse dirt, which is now made airworthy by the increased air velocity and is transported to the downstream, the final storage tank.
  • the volume of the collecting container provided at the end bearing side is many times greater than the volume of the intermediate container, with a volume ratio of 1: 5 being preferred.
  • one or more sensors are preferably arranged, which detect the level with coarse dirt.
  • Such sensors can either operate without contact (optical, ultrasonic, inductive, capacitive) or even touching with suitable, spring-loaded sensors detect the level in the intermediate container.
  • the maximum power of the suction fan requires a certain air speed, which is also referred to as transport speed, whose size is dependent on the weight and the dimensions of the deposits (coarse dirt) in the intermediate container.
  • the dirt collecting device used (including the front apron used) is closed on all sides in the direction of the road surface and only has a nozzle-like narrowed receiving opening on the front side in order to increase the air speed in this area again. This allows a high absorption capacity of the coarse dirt stored on the road surface.
  • the area of the dirt collector for a sweeper located in the suction air flow of the suction fan should be in the range of 20 to 100 x 10 -3 m 2.
  • the width of the front nozzle should be less than 50% of the width of the cleaning machine to allow the most effective dirt pick-up in the front area with high air velocities.
  • the advantage of the intermediate container integrated in the dirt collecting device is that only a low air flow is necessary to transport the dirt from the receiving level in the dirt collecting device, because the largest conveying portion in this activity of the rotating driven sweeping roller of the cleaning vehicle.
  • the dirt collector for a sweeping vehicle with a reduced suction power of the suction fan in the range of 260 l / s is used for the majority of the operating time.
  • the arranged in the intermediate tank level sensor thus controls the performance of the suction fan. It can also be alternatively provided a scheme in which the suction fan is controlled in function of the level in the intermediate container in its performance.
  • the power of the suction fan is returned to the operating condition of z. B. 260 l / s reduced.
  • a viewing window can be arranged in the dirt collecting device for the sweeper, through which the operator can optically control the filling of the intermediate container.
  • a vacuum cleaner which is designed either as a vacuum cleaner or as a vacuum cleaner, it follows that in normal operation, a power of only 250 watts is needed and only for emptying the intermediate container, the power is increased temporarily or briefly to 900 watts.
  • the local Figure 14 shows a complete illustration of a mobile vacuum cleaner with a suction fan, a collecting container and a associated fine filter. All of these parts are also part of the present invention.
  • FIG. 1 schematically shows the air duct in a sweeper, for example, with the DE 41 28 879 A1 or the EP 2 350 393 B1 is described. All features described there, in particular the chassis, the steering, the drive and the like are the sake of clarity in the FIG. 1 The present invention description has been omitted.
  • the sweeper 1 after FIG. 1 a dirt collecting device 2, which consists essentially of a housing 26 (see FIG. 2 ), which is arc-shaped with respect to its top wall 27 and carries at its front end a height-adjustable front apron 15.
  • FIG. 1 About a not in FIG. 1 shown supporting device is the dirt collector 2 after FIG. 1 movable over a roadway level 19, via the drive of the sweeping vehicle.
  • a rotatably driven sweeping roller 14 is arranged in the interior of the dirt collecting device 2.
  • the front apron 15 is thus guided over the road surface 19 in the direction of travel 13 and the coarse dirt 17 stored there and a fine dirt 18 optionally stored there are absorbed.
  • the coarse dirt 17 consists of a non-flyable in normal operation of the dirt collecting device 2 material such. As stones, bottles, cans and the like.
  • the fine dirt 18 is immediately taken up in normal operation of the dirt collecting device 2 and conveyed in the direction of arrow 21 via a connecting channel 3 into a downstream coarse dirt collecting container 4.
  • the output of the coarse dirt collecting container 4 is connected via a further connecting channel 5 with a fine dirt collecting container 6, so that the fine dirt reaches the filter 7, drops from there and is deposited in the fine dirt collecting container 6.
  • a suction fan 8 is arranged, which is driven by a motor 9 via a drive shaft 11 in a certain direction of rotation.
  • the motor 9 can either be an electric drive motor or it can also be derived directly from the drive of the sweeping vehicle 1 via a clutch and a corresponding intermediate gear.
  • the fine dirt collecting container 6 can coincide with the coarse dirt collecting container 4 and both containers can form a single container.
  • the two containers 4, 6 are separated from each other, which has certain operating advantages.
  • the suction power of the suction fan 8 is reduced so that only a reduced air flow in the front side of the front skirt 15 and in the suction side of the sweeping roller 14, so that it is only possible with the reduced suction air, that the sweeping roller 14 the coarse dirt 17 picks up from the road surface 19 and transported in Matterschtouch in the direction of arrow 20 (or alternatively in Untersch congress) in a subsequent to the sweeping roller 14, trough-shaped, upwardly open intermediate container 10. There, the coarse dirt is deposited, as it is in FIG. 1 is shown.
  • the recorded fine dirt 18 is transported over the intermediate container 10 away in the direction of arrow 21 either in the coarse debris collecting container 4 and / or in the downstream fine-dirt collecting container 6.
  • the power of the suction fan 8 is greatly increased and stored in the intermediate container 10 coarse dirt 17 is made airworthy by this increased suction pressure and is in the direction of arrow 21 transported in the coarse dirt container 4. There it is deposited, as in FIG. 1 shown.
  • the fine dust which may still be deposited in the coarse dirt collecting container 4, is still transferred to the fine dirt collecting container 6.
  • both the coarse dirt collecting container 4, and the fine dirt collecting 6 can be emptied from time to time.
  • FIGS. 2 to 5 show further details of the dirt collecting device 2 according to the invention.
  • FIG. 2 is shown that at the dirt collecting device 2 additional support and driving units 30 may be arranged so that it does not have to be fixed to the sweeping vehicle 1, but separated and can only be operated via a coupling connection with the sweeper 1 in the direction of travel 13.
  • FIG. 2 shows FIG. 2 in that the front apron 15 arranged at the front is pivotable in the direction of the arrow 34 and in the opposite direction and engages sealingly with front skirt-side sealing lips 35 on the associated front wall 38 of the housing 26 of the dirt collecting device 2.
  • the voltage applied to the front wall 38 sealing lip 35 of the front apron 15 is arranged height adjustable in the arrow directions 36.
  • a frame frame 16 is provided on the side of the housing, at the front free end of the pivot axis 33 is fixed for the pivotal mounting of the front skirt 15.
  • the front apron 15 has in the region of the front intake opening a conical constriction 39, so that in the region of this intake opening, a high air velocity is created, which is capable of both the on-road layer 19 coarse dirt 17 and there stored fine dirt 18 at least in the work area to bring the rotating driven sweeping roller 14.
  • the side walls of the front apron should be as sealed as possible on the road surface or form a small gap to the road surface.
  • the surface of the front apron 15 extends in the direction of the sweeping roller 14, which thus conveys the dirt received in an arranged in the housing 26 of the dirt collecting device 2 intermediate container 10, as shown in the FIGS. 4 and 5 is shown.
  • the intermediate container 10 has a bottom surface 41 which is separated from the working area of the sweeping roller 14 only by an inclined sloping rear cone wall 44, so that it is readily possible that the sweeping roller, even at low suction pressure coarse dirt 17 FIG. 4 in Mattersch, according to arrow 43 in the arranged in the housing 26 intermediate container 10 to convey.
  • the housing 26 generally consists of a top wall 27 and two mutually parallel side walls 28, which are connected at the rear by a rear wall 29.
  • a front wall 38 is arranged, to which the sealing lip 35 of the front apron 15 adjustable in height in the arrow directions 36 (see FIG. 2 and FIG. 4 ) applies sealingly.
  • the front apron can pivot upwards and lying on the road surface 19 coarse dirt, z. B. a can according to FIG. 4 , is thus transported into the working area of the sweeping roller 14.
  • the sweeping roller 14 forms a downwardly narrowed bottom receiving space 76 in which rests the prevailing in normal operation, reduced suction pressure.
  • the suction pressure is essentially only suitable for transporting the fine dirt 18 into the intermediate container 10, and the coarse dirt is also brought substantially only in the working area of the roller brush 14 and transported by this according to arrow 43 in Matterkal in the intermediate container 10, where the Coarse dirt with the reference numeral 17 'in FIG. 4 is shown.
  • the coarse dirt is deposited in the direction of arrow 46 on the bottom surface 41 of the intermediate container 10.
  • the intermediate container is the front by a sloping cone wall 44 (see FIG. 4 ), wherein the bottom surface 41 is formed approximately parallel to the road surface 19 and the rear side by a Absetzwand 45th is completed, so that a sufficiently high level of coarse dirt 17 in the intermediate container 10 is possible.
  • FIG. 5 shows. It is in FIG. 5 a maximum filling level 51 in the intermediate container 10 shown schematically, and it is further shown that the level sensor 49 scans the surface of the coarse dirt in the intermediate container 10 with its measuring beam 50 and upon reaching the maximum allowable filling level 51 a signal according to FIG. 6 generated.
  • such a level sensor 49 may also be replaced by horizontally measuring level sensors 49 ', which detect the filling level 51 in the intermediate container 10 laterally.
  • mechanical scanning probes can also be used.
  • FIG. 2 shows in conjunction with FIG. 3
  • the support and driving units of the dirt collecting device 2 may consist of rollers 31, which are formed vertically adjustable in the direction of arrow 32.
  • the front apron 15 still has side, conically widening side skirts 37, and the housing 26 of the dirt collecting device 2 is preferably sealed at the bottom side opposite the road surface 19 or leaves only slight gaps open to a high suction pressure only in the area of the front apron 15th to produce, especially where the coarse and fine dirt 17, 18 is to be included.
  • FIG. 3 further shows that the lateral boundaries of the intermediate container 10 preferably conically narrow in the direction of the suction connecting channel 3 and thus form cone walls 40.
  • the sweeping roller 14 is mounted on a shaft 42 which is rotationally driven via a rotary drive, not shown.
  • FIG. 5 It is shown that the receiving space 76 for the operation of the sweeping roller 14 in the housing 26 is closed at the back by a sealing wall 48 and then continues as an obliquely rearwardly directed cone wall 44.
  • the fine dirt 18 received by the sweeping roller is taken along in the direction of arrow 47 in normal operation and does not settle in the intermediate container 10.
  • FIG. 6 shows now in a schematic form that the level of the level sensor 49 is monitored in the intermediate container 10, 70 and when the level exceeds a certain maximum height, a sensor signal 52 is generated in the period between t1 and t2. In the period from 0 to t1, the normal operation takes place and also in the period between t2 and t3.
  • the periods of normal operation between 0 and t1 and t2 and t3 are shown only shortened. In reality, these are essentially time-stretched periods. This is illustrated with the formulas entered in the drawings.
  • the normal operating time is t B
  • the operating time in the cleaning mode is t C.
  • FIG. 7 now shows that depending on the sensor signal 52 after FIG. 6 the air velocity of a suction fan 8 in a dirt collector 2 for a sweeping vehicle 1 is increased from a normal operation of 260 l / s, for example to 560 l / s. During this time, therefore, the coarse dirt 17 from the intermediate container 10 is able to fly and thus removed, and when the level sensor 49 has indicated the emptying of the intermediate container 10, is transferred from the time t2 back to normal operation with reduced suction pressure.
  • FIG. 8 shows that by increasing the suction pressure in FIG. 5 In the unloading operation, the suction fan power has to be increased from about 1180 watts (normal operation) to about 3950 watts in order to achieve a sufficiently high air velocity in the period between t1 and t2 and in the period between t3 and t4.
  • the dashed line shows averaged therefrom average energy consumption.
  • FIG. 9 shows that in a sweeper 1 with a dirt collecting device 2, the suction fan 8 used for this purpose, for example, only 10% of the operating time with a maximum energy of z. B. 3700 watts must be operated and operated in almost 100% of the operating time only with an energy consumption of 1100 watts.
  • the table in FIG. 10 shows that in the emptying mode, the suction fan has an energy consumption of 3269 watts, while in normal operation the fan only has an energy consumption of 480 watts, while the brushing power of the roller brush 14 is always at 700 watts of electrical power.
  • the table in FIG. 11 shows the time proportion of the energy consumption of the suction fan for the dirt collector 2 of a sweeping vehicle 1 as a function of the operating time used. It can be seen that predominantly the sweeper with a suction fan of reduced power (90% time share with 1459 watts) is operated and only a discharge time of 10% of the operating time with an energy consumption of 3690 watts is charged.

Claims (5)

  1. Dispositif collecteur de détritus (2) pour un appareil de nettoyage sous la forme d'une balayeuse (1) se composant d'un boîtier (26) entraîné de manière coulissante au-dessus du plan de la chaussée (19), dans lequel au moins un rouleau de balayage (14) entraîné en rotation est disposé, qui détache les détritus grossiers et fins (17, 18) du plan de la chaussée (19) et les transporte dans un collecteur (4, 6) soutenu par un flux d'air d'aspiration d'un ventilateur aspirant (8), dans lequel un récipient intermédiaire (10) situé dans le flux d'air d'aspiration du ventilateur aspirant (8) pour l'entreposage temporaire de détritus grossiers (17) est disposé dans le boîtier (26) du dispositif collecteur de détritus (2), caractérisé en ce que le ventilateur aspirant peut être régulé en vitesse et/ou puissance et est réalisé pour la réalisation des étapes suivantes :
    1.1 dans une première étape, qui correspond à un mode normal, la puissance d'aspiration du ventilateur aspirant (8) est réglée aussi faible que la pression d'aspiration dans le dispositif collecteur de détritus (2) suffit juste à transporter les détritus grossiers (17) reçus dans le récipient intermédiaire (10) et à les déposer dans celui-ci et à transporter les fins détritus (18) reçus dans un collecteur (4, 6) en aval,
    1.2 dans une deuxième étape, le niveau de remplissage dans le récipient intermédiaire (10) est détecté par rapport aux détritus grossiers (17) déposés dans celui-ci,
    1.3 dans une troisième étape de procédé, qui correspond à un mode de vidage, la puissance d'aspiration du ventilateur aspirant (8) est augmentée lors du dépassement du niveau de remplissage dans le récipient intermédiaire (10) de sorte que les détritus grossiers (17) déposés temporairement dans le récipient intermédiaire (10) puissent voler et soient transportés dans le collecteur (4 et/ou 6) en aval.
  2. Dispositif collecteur de détritus selon la revendication 1, caractérisé en ce que le collecteur (4, 6) comprend un collecteur de détritus grossiers (4), qui communique par air avec un collecteur de fins détritus (6) en aval.
  3. Procédé de fonctionnement d'un dispositif collecteur de détritus (2) pour une balayeuse (1), caractérisé en ce qu'un ventilateur aspirant (8) pouvant être régulé en vitesse et/ou puissance est utilisé, et que
    3.1 dans une première étape de procédé, qui correspond à un mode normal, la puissance d'aspiration du ventilateur aspirant (8) est réglée aussi faible que la pression d'aspiration dans le dispositif collecteur de détritus (2) suffit juste à transporter les détritus grossiers (17) reçus dans un récipient intermédiaire (10) et à les déposer dans celui-ci et à transporter les fins détritus (18) reçus dans un collecteur (4, 6) en aval,
    3.2 que dans une deuxième étape de procédé, le niveau de remplissage dans le récipient intermédiaire (10) est détecté par rapport aux détritus grossiers (17) déposés dans celui-ci,
    3.3 et que dans une troisième étape de procédé, qui correspond à un mode de vidage, la puissance d'aspiration du ventilateur aspirant (8) est augmentée lors du dépassement du niveau de remplissage dans le récipient intermédiaire (10) de sorte que les détritus grossiers (17) déposés temporairement dans le récipient intermédiaire (10) puissent voler et soient transportés dans le collecteur (4, 6) en aval.
  4. Procédé selon la revendication 3, caractérisé en ce que, pour le fonctionnement d'un dispositif collecteur de détritus (2) pour une balayeuse (1), la consommation d'énergie du ventilateur aspirant (8) est à peu près doublée de la première étape de procédé correspondant au mode normal à la deuxième étape de procédé correspondant au mode de vidage.
  5. Procédé selon l'une des revendications 3 ou 4, caractérisé en ce que la surface se trouvant dans le flux d'air d'aspiration du ventilateur aspirant (8) du dispositif collecteur de détritus (2) pour une balayeuse (1) est dans la plage entre 20 à 100 x 10-3 m2 et que la même surface de la buse d'aspirateur est dans la plage entre 1 à 5 x 10-3 m2.
EP16717097.6A 2015-03-27 2016-03-23 Dispositif collecteur de poussière et procédé pour utiliser le collecteur Active EP3274512B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DK19159002.5T DK3514286T3 (da) 2015-03-27 2016-03-23 Støvsugermundstykke og fremgangsmåde til drift af et støvsugermundstykke
EP19159002.5A EP3514286B1 (fr) 2015-03-27 2016-03-23 Buse d'aspirateur pour un aspirateur et procédé de fonctionnement d'une buse d'aspirateur

Applications Claiming Priority (2)

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DE102015003916.4A DE102015003916A1 (de) 2015-03-27 2015-03-27 Schmutzsammelvorrichtung für ein Reinigungsgerät, insbesondere ein Kehrfahrzeug sowie Staubsaugerdüse für einen Staubsauger und Verfahren zum Betrieb beider Vorrichtungen
PCT/EP2016/000505 WO2016155872A2 (fr) 2015-03-27 2016-03-23 Dispositif collecteur de détritus pour un appareil de nettoyage, notamment une balayeuse automotrice, ainsi que buse d'aspiration pour un aspirateur et procédé pour faire fonctionner les deux équipements

Related Child Applications (2)

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EP19159002.5A Division EP3514286B1 (fr) 2015-03-27 2016-03-23 Buse d'aspirateur pour un aspirateur et procédé de fonctionnement d'une buse d'aspirateur
EP19159002.5A Division-Into EP3514286B1 (fr) 2015-03-27 2016-03-23 Buse d'aspirateur pour un aspirateur et procédé de fonctionnement d'une buse d'aspirateur

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EP3274512A2 EP3274512A2 (fr) 2018-01-31
EP3274512B1 true EP3274512B1 (fr) 2019-10-09

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EP19159002.5A Active EP3514286B1 (fr) 2015-03-27 2016-03-23 Buse d'aspirateur pour un aspirateur et procédé de fonctionnement d'une buse d'aspirateur
EP16717097.6A Active EP3274512B1 (fr) 2015-03-27 2016-03-23 Dispositif collecteur de poussière et procédé pour utiliser le collecteur

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US (2) US11311161B2 (fr)
EP (2) EP3514286B1 (fr)
KR (1) KR102185563B1 (fr)
CN (1) CN107567299B (fr)
DE (1) DE102015003916A1 (fr)
DK (2) DK3514286T3 (fr)
ES (1) ES2765870T3 (fr)
WO (1) WO2016155872A2 (fr)

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Also Published As

Publication number Publication date
EP3514286B1 (fr) 2020-11-18
US11707172B2 (en) 2023-07-25
EP3514286A1 (fr) 2019-07-24
DK3274512T3 (da) 2020-01-20
WO2016155872A3 (fr) 2016-11-24
EP3274512A2 (fr) 2018-01-31
CN107567299B (zh) 2020-07-03
US20220183521A1 (en) 2022-06-16
US20180055316A1 (en) 2018-03-01
CN107567299A (zh) 2018-01-09
KR102185563B1 (ko) 2020-12-03
ES2765870T3 (es) 2020-06-11
WO2016155872A2 (fr) 2016-10-06
DK3514286T3 (da) 2021-02-15
KR20170141693A (ko) 2017-12-26
DE102015003916A1 (de) 2016-09-29
US11311161B2 (en) 2022-04-26
WO2016155872A4 (fr) 2017-01-12

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