EP2937031A1 - Changement de modes - Google Patents

Changement de modes Download PDF

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Publication number
EP2937031A1
EP2937031A1 EP14165569.6A EP14165569A EP2937031A1 EP 2937031 A1 EP2937031 A1 EP 2937031A1 EP 14165569 A EP14165569 A EP 14165569A EP 2937031 A1 EP2937031 A1 EP 2937031A1
Authority
EP
European Patent Office
Prior art keywords
signal
vacuum cleaner
machine tool
signal receiving
hose
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Withdrawn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
EP14165569.6A
Other languages
German (de)
English (en)
Inventor
Lars Melzer
Franz Huber
Eduard Sever
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Priority to EP14165569.6A priority Critical patent/EP2937031A1/fr
Priority to PCT/EP2015/058748 priority patent/WO2015162193A1/fr
Publication of EP2937031A1 publication Critical patent/EP2937031A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/06—Grinders for cutting-off
    • B24B27/08—Grinders for cutting-off being portable
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0095—Suction cleaners or attachments adapted to collect dust or waste from power 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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2821—Pressure, vacuum level or airflow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
    • B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools

Definitions

  • the invention relates to a vacuum cleaner device comprising a housing with an air intake opening, a vacuum device for generating a Beersoges, a control device, a first hose means having a first end and a second end, wherein the first end is connected to a machine tool and the second end with the Air intake opening is connectable and a second hose means having a first end and a second end, wherein the first end is connectable to a nozzle and the second end with the air intake opening is connectable.
  • Vacuum cleaners especially for use on construction sites (so-called wet / dry vacuum or industrial vacuum cleaner) are well known and, for example, in the EP patent application 0 777 996 A2 shown.
  • This prior art document discloses a vacuum cleaner for use on construction sites, comprising a power cable and an electrical outlet (in the form of a power outlet).
  • the vacuum cleaner receives an electrical power supply via the mains power cable when it is connected to a mains power connection.
  • the power cable of an electric machine tool can be plugged to supply the machine tool also with an electrical voltage.
  • a control device of the vacuum cleaner or its suction can be controlled by pressing the on and off switch of the machine tool.
  • a suction of the vacuum cleaner when switching on and operating the machine tool can be provided regulated.
  • Such vacuum cleaners for use on construction sites can be used both as so-called dust collectors and ordinary wet / dry vacuum cleaners.
  • the vacuum cleaner When used as a dust extractor, the vacuum cleaner is connected to a machine tool via a suction pipe in such a way that the dust or drilling dust produced when processing a material is extracted.
  • the machine tool may be, for example, a drill, a grinder, a milling cutter, saw or the like.
  • a floor nozzle is connected to the vacuum cleaner via a suction pipe, thereby between individual work processes and / or after completion of all operations the site floor can be cleaned.
  • this vacuum cleaner or its suction power must comply with certain limits and thresholds according to the guidelines, so that a safe working environment can be created.
  • the threshold value for the suction speed at the inlet of the vacuum cleaner must not be fallen below in order to ensure the suction of the dust. So that this threshold value for the suction speed is exceeded, this high suction speed must be set extra to the vacuum cleaner.
  • a measuring and monitoring device for these threshold values as well as a signaling device is usually provided on the vacuum cleaners which can be used as dedusters, which generates a clearly audible signal tone if a measured threshold value and in particular the specified suction speed are undershot for any reason.
  • One cause as a cause for falling below the threshold value of the suction speed may be excessive dirtying of the suction pipe and / or increased air resistance.
  • the user of the machine tool is warned that, for example, the suction speed is no longer correct and therefore not the majority of the dust is sucked off.
  • a check is made on the vacuum cleaner and / or the machine tool connected to the vacuum cleaner to find out why the threshold value, such as the threshold value, is set. the suction speed was below.
  • the vacuum cleaner As a pure wet / dry vacuum cleaner by a too strong pressing the floor nozzle to a substrate, the suction speed suddenly decreases and thus falls below the set threshold for the suction speed. So that in a case of the user is not constantly disturbed by the signal tone which is generated when falling below the threshold value, the measuring and monitoring device can also be switched off manually by pressing the corresponding switch on the vacuum cleaner.
  • the vacuum cleaner is used as a wet / dry vacuum for extracting the working floor, the function of the measuring and monitoring device for monitoring and measuring the suction speed is not absolutely necessary.
  • the function of the measuring and monitoring device for monitoring and measuring the suction speed is necessary so that it must be manually switched on again by pressing the appropriate switch on the vacuum cleaner.
  • the object of the present invention is therefore to eliminate the abovementioned disadvantages and, in particular, to provide a vacuum cleaner device which ensures easy and safe handling of the vacuum cleaner device for use as a conventional wet / dry vacuum cleaner as well as for use as a deduster in combination with a connectable machine tool.
  • a vacuum cleaner device which comprises a housing with an air intake opening, a negative pressure device for generating a Lucassoges, a control device, a first hose means having a first end and a second end, wherein the first end is connectable to a machine tool and the second end with the Air intake opening is connectable and a second hose means having a first end and a second end, wherein the first end is connectable to a nozzle and the second end is connectable to the air intake opening contains.
  • the first hose device contains a first signaling device
  • the second hose device contains a second signaling device
  • the vacuum cleaner device comprises a first signal receiving device, a second signal receiving device and a Saug Anthonysüberwach responded
  • the Saug Anthonysüberwach responded serves to measure the speed of the intake air and falls below a predetermined Saug Anthonysschwellwerts a signal
  • the first signal receiving device is configured to receive a signal transmitted by the first signal device or to receive a signal transmitted from the machine tool, whereby the suction speed monitor is activated
  • the second signal device is for sending a signal to the second signal receiver, whereby the suction speed monitor is disabled.
  • the first signal device is designed as a sound generating device and the first signal receiving device as a sound receiving device.
  • the first signaling device can be implemented as electrical or electronic data transmission, such as in the form of a radio device.
  • the first signaling device can also be realized, for example, with Bluetooth technology.
  • the second signal device is designed as a coding element and the second signal receiving device as a decoding device, wherein the coding element for emitting coded signals and the decoding device for decoding the coded signals is used.
  • Fig. 1 shows a vacuum cleaner device 1 according to the invention with a first hose device 40 and a machine tool 20.
  • the machine tool 20 is an electrically operated cutting machine. However, it is also possible that other machine tools are used.
  • the machine tool 20 is supplied by the power cable 21 with an electrical voltage. Alternatively, the machine tool 20 can also be operated by means of a rechargeable battery.
  • the accumulator is not shown in the figures.
  • the vacuum cleaner device 1 can be used in a first use as a deduster.
  • the vacuum cleaner device 1 is connected to a machine tool 20 (see. Fig. 1 ).
  • the vacuum cleaner device 1 includes a housing 30 having an upper portion 32 and a lower portion 34. At the lower portion 34 of the housing 30 four rollers 35, 36 are positioned, of which only two are visible in the figures.
  • the upper portion 32 of the housing 30 includes an air intake port 37, a power outlet 38, the power cable 21, a first air outlet port 39a, and a second air outlet port 39b. In Fig. 1 however, only the first air outlet port 39a is shown.
  • the second air outlet port 39b is in Fig. 2 shown. Air and, in particular, dirt particles are sucked in through the air intake opening 37 with the aid of a negative pressure generated in the interior of the housing 30.
  • the first air outlet opening 37 and the second air outlet opening serve to allow the absorbed air to escape from the housing 30 again.
  • the socket 38 is used to supply a connected machine tool 20 with electrical voltage.
  • the power cable 21 is connectable to a commercial power source (not shown) for supplying the vacuum cleaner device 1 with an electric voltage.
  • the vacuum cleaner device 1 contains a first hose device 40 and a second hose device 50.
  • the machine tool 20 configured as a cut-off machine can be connected to the vacuum cleaner device 1 with the first hose device 40.
  • a floor nozzle 56 can be connected to the vacuum cleaner device 1 (cf. Fig. 3 ).
  • the first hose device 40 includes a first end 42 and a second end 44.
  • the second hose device 50 includes a first end 52 and a second end 54. At the first end 42 of the first hose device 40 is configured as a sound generating means first signal device 60 positioned ( see. Fig. 1 ). Alternatively, the first signaling device 60 may also be positioned on the machine tool 20. At the first end 52 of the second hose device 50, a second signal device 70 embodied as a coding element is positioned.
  • the vacuum cleaner device 1 further includes a vacuum device 80, a filter element 82, a dirt storage container 84, a controller 86, a horn 88, a Saug Anthonyssensor 90, a first signal receiving device 100 and a second signal receiving device 110.
  • the horn 88 as a horn be educated.
  • the vacuum device 80 With the help of the vacuum device 80, a negative pressure is generated in the housing 30, so that air is sucked through the air intake opening 37. Together with the air and dirt particles are sucked.
  • the dirt storage container 84 serves to catch the dirt particles which are transported through the air intake opening 37 with the sucked air into the interior of the housing 30.
  • the filter element 82 is positioned upstream of the vacuum device 80 (ie, between the vacuum device 80 and the dirt storage container 84) in the flow direction R, so that dirt particles can be collected from entering the vacuum device 80. As a result, contamination and possible damage to the vacuum device 80 can be prevented.
  • the controller 86 includes a suction velocity monitor 120. Further, the controller 86 is connected to the vacuum device 80, the suction velocity sensor 90, the first signal receiving device 100, the second signal receiving device 110, and the horn 88 through various communication lines 91, 92, 93, 94, 95 ,
  • the controller 86 is generally adapted to control and regulate the vacuum device 80.
  • the (suction) power of the vacuum device 80 can be increased or even reduced.
  • the Saug Anthonysschreibwach worn 120 serves to measure by means of a Saug Anthonyssensors 90 at the air intake opening 37, the speed of the intake air.
  • the suction velocity sensor 90 is positioned at the air suction port 37.
  • the aspiration rate sensor 90 may also be positioned at any other suitable position, such as in the first or second tube means 40, 50.
  • the first signal receiving device 100 is designed as a sound receiving device, such as a microphone.
  • the first signal receiving device 100 serves to receive and evaluate sound waves in a certain frequency range. As described in detail below, the first signal receiving device 100 receives signals in the form of sound waves emitted by the first signal device 60 of the machine tool 20 become.
  • the first signal reception device 100 is connected to the control device 86 via the connection line 93. By means of the connection line 93, the received signal is sent to the control device 86.
  • the second signal receiving device 110 is positioned around the air intake port 37 in the form of an annular decoder and adapted to receive a coded signal from the second signal device 70, which is configured as a coding element.
  • the coding element is configured by three magnetic rings 72.
  • the second signal receiving device 110 is designed as a magnetic sensor (for example Hall sensor), which detects the magnetic rings 72 of the coding element 70.
  • the second signal receiving device 110 is connected via the connecting line 94 to the control device 86, whereby the signals received from the magnetic sensor 110 are sent to the control device 86.
  • the machine tool 20 is designed as an electrically operated power cutter.
  • the cut-off machine 20 essentially contains a housing 21, a rotatable tool 22 in the form of a cutting disk, and a handle 23.
  • an electric motor (not shown) is positioned as a drive for the tool 22.
  • a power cable 24 is provided, via which the electric motor is supplied with an electrical voltage.
  • the end of the power cord 24 may be connected to the socket 38 of the vacuum cleaner device 1 or to a power outlet (not shown).
  • the handle 23 has a switch 25, with which the electric motor and thus the cutting disc 22 can be switched on and off.
  • the cutoff grinder 20 includes an ejection port 26 positioned at an upper end of the housing 21.
  • the first signaling device 60 is positioned. As already described above, the first signal device 60 can also be positioned at the first end 42 of the first hose device 40 (cf. Fig. 1 ).
  • the first signaling device 60 is designed as a sound generating device that generates sounds in certain frequencies.
  • the sound generating device 60 is essentially a whistle or horn.
  • the sound generating device 60 and in particular in the embodiment as a whistle, can be operated for example by an air flow.
  • the air flow can be generated by a fan (not shown) in the housing 21 and / or by the rotating cutting disk 22.
  • the sounds produced by the sound generating device 60 may be in a frequency range that is imperceptible to the human ear.
  • the frequency range of the generated sounds may be received by the first signal receiving device 100 configured as a sound receiving device.
  • the vacuum cleaner device 1 can also be used as a wet / dry vacuum according to a second use.
  • a floor nozzle 56 is connected to the vacuum cleaner device 1 via a second hose device 50. With the help of the floor nozzle 56 dirt can be sucked in particular from the ground and transported via the second hose means 50 in the dirt storage container 84.
  • the vacuum cleaner 1 When using the vacuum cleaner device 1 as a deduster, i. for sucking the dust generated by the machine tool 20, the vacuum cleaner 1 must be operated in a certain mode or setting configuration. In this case, the negative pressure device 80 must be adjusted so that the speed of the intake air at the air intake opening 37 does not fall below a fixed threshold value (for example 20 m / sec). As described above, the speed of the intake air at the air intake port 37 is measured by the suction speed monitor 120 in conjunction with the suction speed sensor 90. Only with a suction speed which is higher than the predetermined threshold value can it be ensured that as far as possible the entire dust is sucked off the machine tool 20.
  • a fixed threshold value for example 20 m / sec
  • the mode or the setting configuration is deposited, which sets the vacuum device 80 so that a threshold value for the suction speed is not is fallen short of.
  • the controller 86 activates the minimum suction speed mode when the first signal receiving device 100 configured as a sound receiving device receives the corresponding sound signal from the first signal device 60 of the machine tool 20. The activation takes place in that the first signal receiving device 100 receives the audio signal and converts it into an electrical signal. This signal is sent via the connection line 93 to the control device 86.
  • the controller 86 interprets the signal and sends a corresponding signal to the vacuum device 80, so that the power of the vacuum device 80 is adjusted or regulated so that the suction speed at the air intake 37 does not fall below the set value (eg 20 m / sec.). In addition, the controller 86 sends a signal to the suction velocity monitor 120 to use it in conjunction with the suction velocity sensor 90 to measure and monitor the velocity of the intake air at the air intake port 37.
  • the set value eg 20 m / sec.
  • a floor nozzle 56 is connected to the first end of the second hose device 50. With the second end, the second hose device 50 is connected to the air intake port 37.
  • the second signal device 70 in the form of the three magnet rings (coding element) 72 is positioned at the second end of the second tube device 50.
  • the second signal receiving device 110 (decoding device) designed as a magnetic field sensor recognizes the second hose device when connecting the second end to the air intake opening. By detecting the magnetic rings 72 by means of the magnetic field sensor 110, a signal is sent to the control device 86, which deactivates the Saug Anthonysüberwach worn 120. Deactivation continues to measure and monitor the velocity of the intake air at the air intake port 37, but does not output a corresponding signal to activate the horn 88 when the speed of the intake air falls below the set threshold.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
EP14165569.6A 2014-04-23 2014-04-23 Changement de modes Withdrawn EP2937031A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14165569.6A EP2937031A1 (fr) 2014-04-23 2014-04-23 Changement de modes
PCT/EP2015/058748 WO2015162193A1 (fr) 2014-04-23 2015-04-23 Changement de modes dans un dispositif aspirateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14165569.6A EP2937031A1 (fr) 2014-04-23 2014-04-23 Changement de modes

Publications (1)

Publication Number Publication Date
EP2937031A1 true EP2937031A1 (fr) 2015-10-28

Family

ID=50513140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14165569.6A Withdrawn EP2937031A1 (fr) 2014-04-23 2014-04-23 Changement de modes

Country Status (2)

Country Link
EP (1) EP2937031A1 (fr)
WO (1) WO2015162193A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3391995A1 (fr) * 2017-04-20 2018-10-24 HILTI Aktiengesellschaft Capot anti-poussière pour une tronçonneuse
WO2019219781A1 (fr) * 2018-05-16 2019-11-21 Festool Gmbh Machine-outil mobile à équipement d'aspiration et procédé de commande
EP3772310A1 (fr) * 2019-08-05 2021-02-10 Hilti Aktiengesellschaft Dispositif de compensation des variations de pression
CN114177731A (zh) * 2021-11-10 2022-03-15 北京城建集团有限责任公司 一种建筑施工除尘装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204833259U (zh) 2012-07-17 2015-12-02 米沃奇电动工具公司 电动工具及电动工具系统
WO2019009938A1 (fr) 2017-07-05 2019-01-10 Milwaukee Electric Tool Corporation Adaptateurs pour communication entre des outils électriques
US11011053B2 (en) 2018-07-31 2021-05-18 Tti (Macao Commercial Offshore) Limited Systems and methods for remote power tool device control
US12273937B2 (en) 2021-02-16 2025-04-08 Milwaukee Electric Tool Corporation Communication between a wireless dust extractor and a power tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5606767A (en) * 1995-05-19 1997-03-04 Crlenjak; Jack Vacuum operated dust and debris removal and collection system
EP0777996A2 (fr) 1995-12-07 1997-06-11 Emerson Electric Co. Dispositif de contÔle d'un electric portable et d'un aspirateur
EP1972248A2 (fr) * 2007-03-19 2008-09-24 Hitachi Koki Co., Ltd. Dispositif de séparation de poussière

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Publication number Priority date Publication date Assignee Title
DE8816200U1 (de) * 1988-12-30 1989-02-16 C. & E. Fein Gmbh & Co, 7000 Stuttgart Entstauber und staubfreies Arbeitsgerät
JP5618731B2 (ja) * 2010-09-27 2014-11-05 株式会社マキタ 集塵機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5606767A (en) * 1995-05-19 1997-03-04 Crlenjak; Jack Vacuum operated dust and debris removal and collection system
EP0777996A2 (fr) 1995-12-07 1997-06-11 Emerson Electric Co. Dispositif de contÔle d'un electric portable et d'un aspirateur
EP1972248A2 (fr) * 2007-03-19 2008-09-24 Hitachi Koki Co., Ltd. Dispositif de séparation de poussière

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3391995A1 (fr) * 2017-04-20 2018-10-24 HILTI Aktiengesellschaft Capot anti-poussière pour une tronçonneuse
WO2018192869A3 (fr) * 2017-04-20 2018-12-13 Hilti Aktiengesellschaft Capot anti-poussière pour une tronçonneuse à disque
CN110536776A (zh) * 2017-04-20 2019-12-03 喜利得股份公司 用于切割式打磨机的防尘罩
CN110536776B (zh) * 2017-04-20 2021-12-24 喜利得股份公司 用于切割式打磨机的防尘罩
WO2019219781A1 (fr) * 2018-05-16 2019-11-21 Festool Gmbh Machine-outil mobile à équipement d'aspiration et procédé de commande
US12042903B2 (en) 2018-05-16 2024-07-23 Festool Gmbh Mobile machine tool with suction unit and control method
EP3772310A1 (fr) * 2019-08-05 2021-02-10 Hilti Aktiengesellschaft Dispositif de compensation des variations de pression
WO2021023525A1 (fr) * 2019-08-05 2021-02-11 Hilti Aktiengesellschaft Dispositif de compensation de variations de pression
US12185901B2 (en) 2019-08-05 2025-01-07 Hilti Aktiengesellschaft Apparatus for compensating pressure fluctuations
CN114177731A (zh) * 2021-11-10 2022-03-15 北京城建集团有限责任公司 一种建筑施工除尘装置
CN114177731B (zh) * 2021-11-10 2023-06-30 北京城建集团有限责任公司 一种建筑施工除尘装置

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