EP2524771B1 - Bolt setting device and method for operating same - Google Patents

Bolt setting device and method for operating same Download PDF

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Publication number
EP2524771B1
EP2524771B1 EP12164412.4A EP12164412A EP2524771B1 EP 2524771 B1 EP2524771 B1 EP 2524771B1 EP 12164412 A EP12164412 A EP 12164412A EP 2524771 B1 EP2524771 B1 EP 2524771B1
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EP
European Patent Office
Prior art keywords
power
cells
stud driver
energy storage
bolt
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EP12164412.4A
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German (de)
French (fr)
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EP2524771A1 (en
Inventor
Tilo Dittrich
Iwan Wolf
Rolf Erhardt
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Hilti AG
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Hilti AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure

Definitions

  • the invention relates to a bolt-firing device with a combustion chamber in which an electrically driven device for generating turbulence or for purging the combustion chamber is arranged, and with an electrical energy storage device.
  • the invention further relates to a method for operating such a fastener setting device.
  • a setting tool which is operated with electrical energy from a rechargeable battery or via a power cable from a socket.
  • a setting tool which is operated with electrical energy from a rechargeable battery or via a transformer with a power cable from a socket.
  • the transformer can be inserted in a battery compartment of the setting tool.
  • the object of the invention is to further simplify the operation of a bolt-firing device according to the preamble of claim 1.
  • a bolt-firing device with a combustion chamber in which an electrically driven device for generating turbulence or for purging the combustion chamber is arranged, and with an electrical energy storage device, in that the electrical energy storage device for operation with non-rechargeable primary cells and / or is designed with rechargeable secondary cells, the bolt-setting device comprising an identification device for recognizing primary cells or secondary cells.
  • the identification device in particular simplifies the operation of a bolt-actuating device with only one battery compartment for holding different ones Battery cells. After the battery cells have been inserted, the device recognizes what the cells are.
  • the bolt-setting tool according to the invention is preferably a portable, power-operated bolt-setting tool.
  • gas for example from a gas cartridge
  • oxygen or air to form an ignitable mixture.
  • the ignitable mixture When the ignitable mixture is ignited, it suddenly expands to drive a working piston.
  • Conventional bolt-operated tools are operated with accumulators that contain rechargeable secondary cells. The accumulator must be charged while the stud gun is in operation, which can lead to disruptive interruptions.
  • the invention enables operation of the bolt-actuating device with non-rechargeable primary cells, which can be easily replaced if necessary, without longer charging times occurring.
  • two different types of battery cells can be used.
  • the bolt-setting device can comprise a battery cell compartment which is suitable both for receiving primary cells and for receiving secondary cells.
  • the bolt-actuating device can also have different battery compartments, one of which is suitable for receiving primary cells and another for receiving secondary cells.
  • a preferred exemplary embodiment of the bolt-firing device is characterized in that the electrical energy storage device is designed for operation with non-rechargeable, exchangeable primary cells.
  • the non-rechargeable primary cells can be exchanged quickly and easily.
  • the non-rechargeable primary cells can, for example, be accommodated in an easily accessible battery compartment that can be opened and closed quickly and easily.
  • the identification device is a measuring device for measuring a Internal resistance of primary and / or secondary cells. Depending on the size of the internal resistance of the battery cells, for example on the basis of stored comparison values, the device recognizes which type of cell it is.
  • a further preferred exemplary embodiment of the bolt-firing device is characterized in that the identification device is connected and / or combined with an electronic control device that controls an electric motor that drives the device for generating turbulence or for purging the combustion chamber.
  • the electric motor is controlled differently via the electronic control device depending on whether the electrical energy storage device contains primary cells or secondary cells.
  • the device for generating turbulence or for purging the combustion chamber comprises at least one fan.
  • the fan is driven by the electric motor.
  • the electrical energy required to drive the electric motor is provided by the electrical energy storage device.
  • the above-mentioned object is alternatively or additionally achieved in that, before the bolt-setting device is operated, it is detected internally in the device whether the electrical energy storage device comprises non-rechargeable primary cells and / or rechargeable secondary cells. This can prevent undesirable malfunctions in the operation of the bolt-actuating device, for example through the use of incorrect battery cells. According to a further aspect of the invention, it is also detected with the aid of the identification device whether a common battery compartment, which is suitable both for holding primary cells and for holding secondary cells, contains only primary cells or only secondary cells. According to a further aspect of the invention, the bolt-actuating device can also be suitable for the simultaneous use of primary cells and secondary cells.
  • a preferred exemplary embodiment of the method is characterized in that, depending on the type of energy storage cells used in the bolt-firing device, different undervoltage cut-off voltages are used in which the bolt-firing device is switched off. This makes it more stable in a simple way Operation of the bolt gun over the life of the battery cells used, which are also referred to as energy storage cells.
  • a further preferred exemplary embodiment of the method is characterized in that a charge status display device of the bolt-firing device is switched differently depending on the type of energy storage cells used in the bolt-firing device or. According to a further aspect of the invention, both when using primary cells and when using secondary cells, it is indicated how long the bolt-setting tool can still be used with the battery cells currently in use.
  • FIG. 1 A bolt-driving tool 1 according to the invention with a housing 2 is shown in a highly simplified manner.
  • the housing 2 comprises a handle 4, on which the bolt-setting device 1 can be gripped for driving a fastening element, which emerges from the bolt-setting device 1 at a bolt-setting end 5 and can be driven into a subsurface.
  • the fastening elements used are preferably provided via an internal magazine 6, which is attached in the vicinity of the bolt-setting end 5 of the bolt-setting device 1.
  • the fastening elements are preferably automatically removed individually from the magazine 6 and provided at the end 5 of the bolt.
  • a gas can or gas cartridge 8 Energy required to drive the fastening elements into the ground is provided in a gas can or gas cartridge 8 in the interior of the bolt-actuating device 1.
  • the gas cartridge 8 can be accommodated in a gas can compartment and can be connected to a combustion chamber or a combustion chamber 12 via an adjustable or controllable metering valve 10 and a gas line 11.
  • gas from the gas cartridge 8 is mixed with air to form a combustible mixture which is ignited to drive a fastening element, such as a bolt or a nail, into the underground.
  • a fastening element such as a bolt or a nail
  • the energy required for driving is transmitted, for example, via a working piston (not shown) from the combustion chamber 12 to a fastening element at the end 5 of the bolt.
  • a device 14 is arranged in the combustion chamber 12, which serves to generate turbulence in the combustion chamber 12, to flush and / or to cool the combustion chamber 12.
  • the device 14 comprises a fan 15 which is driven by an electric motor 18.
  • the electric motor 18 is controlled via an electronic control device 20.
  • An ignition cable 21 extends from the electronic control device 20 to the combustion chamber 12. The ignitable mixture in the combustion chamber 12 is ignited via the ignition cable 21.
  • the electric motor 18 is also connected to the electronic control device 20 via a motor control line 22.
  • an electrical energy storage device 24, from which the electric motor 18 draws its drive energy, is connected to the control device 20.
  • the electrical energy storage device 24 can comprise non-rechargeable primary cells.
  • the non-rechargeable primary cells are preferably easy to replace.
  • the electrical energy storage device 24 comprises, for example, a battery compartment that can be closed by a battery compartment cover.
  • the battery compartment cover can be opened or removed in a simple manner in order to insert battery cells.
  • the battery compartment with the gas can compartment forms a single supply compartment with a supply compartment cover, into which the gas can and the battery cells can be inserted.
  • the battery cells and the gas can are preferably connected to one another and form an energy supply unit with which the bolt-actuating device is operated when the energy supply unit is inserted into the supply compartment.
  • the electrical energy storage device 24 can also comprise rechargeable secondary cells.
  • the control device 20 is equipped with an identification device which serves to recognize whether primary cells or secondary cells are inserted in the battery compartment. Depending on the battery cells contained in the battery compartment, the electric motor 18 is controlled differently via the control device 20.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Battery Mounting, Suspending (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Primary Cells (AREA)

Description

Technisches GebietTechnical field

Die Erfindung betrifft ein Bolzensetzgerät mit einer Brennkammer, in der eine elektrisch angetriebene Einrichtung zum Erzeugen von Turbulenz oder zum Spülen der Brennkammer angeordnet ist, und mit einer elektrischen Energiespeichereinrichtung. Die Erfindung betrifft des Weiteren ein Verfahren zum Betreiben eines derartigen Bolzensetzgeräts.The invention relates to a bolt-firing device with a combustion chamber in which an electrically driven device for generating turbulence or for purging the combustion chamber is arranged, and with an electrical energy storage device. The invention further relates to a method for operating such a fastener setting device.

Stand der TechnikState of the art

Aus dem US-Patent US 7,520,252 B2 ist ein Bolzensetzgerät mit einer ersten Kammer bekannt, in der ein motorisch angetriebener Ventilator angeordnet ist.From the U.S. Patent US 7,520,252 B2 is known a bolt gun with a first chamber in which a motor-driven fan is arranged.

Aus der US 2009/0206121 A1 ist ein Setzgerät bekannt, welches mit elektrischer Energie aus einer aufladbaren Batterie oder über ein Stromkabel aus einer Steckdose betrieben wird.From the US 2009/0206121 A1 a setting tool is known which is operated with electrical energy from a rechargeable battery or via a power cable from a socket.

Aus der WO 2008/060281 A1 ist ein Setzgerät bekannt, welches mit elektrischer Energie aus einer aufladbaren Batterie oder über einen Transformator mit einem Stromkabel aus einer Steckdose betrieben wird. Der Transformator lässt sich zu diesem Zweck in ein Batteriefach des Setzgeräts einsetzen.From the WO 2008/060281 A1 a setting tool is known which is operated with electrical energy from a rechargeable battery or via a transformer with a power cable from a socket. For this purpose, the transformer can be inserted in a battery compartment of the setting tool.

Aus der WO 2007/061808 A2 ist ein Setzgerät bekannt, das entweder mit einer wieder aufladbaren Batterieeinheit oder mit einer konventionellen Wegwerfbatterie betrieben wird.From the WO 2007/061808 A2 a setting tool is known which is operated either with a rechargeable battery unit or with a conventional disposable battery.

Aus der EP 1 980 367 A2 ist ein Setzgerät bekannt, welches in der Lage ist, zu erkennen, ob eine Batterie für eine weitere Setzung ausreichend geladen ist. Ist dies nicht der Fall, wird das Setzgerät angehalten.From the EP 1 980 367 A2 a setting tool is known which is able to recognize whether a battery is sufficiently charged for further setting. If this is not the case, the setting tool is stopped.

Darstellung der ErfindungPresentation of the invention

Aufgabe der Erfindung ist es, den Betrieb eines Bolzensetzgeräts gemäß dem Oberbegriff des Anspruchs 1 weiter zu vereinfachen.The object of the invention is to further simplify the operation of a bolt-firing device according to the preamble of claim 1.

Die Aufgabe ist bei einem Bolzensetzgerät mit einer Brennkammer, in der eine elektrisch angetriebene Einrichtung zum Erzeugen von Turbulenz oder zum Spülen der Brennkammer angeordnet ist, und mit einer elektrischen Energiespeichereinrichtung, dadurch gelöst, dass die elektrische Energiespeichereinrichtung für einen Betrieb mit nicht aufladbaren Primärzellen und/oder mit aufladbaren Sekundärzellen ausgeführt ist, wobei das Bolzensetzgerät eine Identifikationseinrichtung zur Erkennung von Primärzellen oder Sekundärzellen umfasst. Die Identifikationseinrichtung vereinfacht insbesondere den Betrieb eines Bolzensetzgeräts mit nur einem Batteriefach zur Aufnahme von unterschiedlichen Batteriezellen. Nach dem Einsetzen der Batteriezellen wird geräteintern erkannt, um was für Zellen es sich handelt.The object is achieved in a bolt-firing device with a combustion chamber in which an electrically driven device for generating turbulence or for purging the combustion chamber is arranged, and with an electrical energy storage device, in that the electrical energy storage device for operation with non-rechargeable primary cells and / or is designed with rechargeable secondary cells, the bolt-setting device comprising an identification device for recognizing primary cells or secondary cells. The identification device in particular simplifies the operation of a bolt-actuating device with only one battery compartment for holding different ones Battery cells. After the battery cells have been inserted, the device recognizes what the cells are.

Bei dem erfindungsgemäßen Bolzensetzgerät handelt es sich vorzugsweise um ein tragbares, brennkraftbetriebenes Bolzensetzgerät. Zum Setzen eines Befestigungselements wird Gas, zum Beispiel aus einer Gaskartusche, in dem Brennraum mit Sauerstoff beziehungsweise Luft zu einem zündfähigen Gemisch vermischt. Wenn das zündfähige Gemisch gezündet wird, dann expandiert es schlagartig, um einen Arbeitskolben anzutreiben. Herkömmliche Bolzensetzgeräte werden mit Akkumulatoren betrieben, die wieder aufladbare Sekundärzellen enthalten. Der Akkumulator muss während des Betriebs des Bolzensetzgeräts geladen werden, was mit störenden Unterbrechungen verbunden sein kann. Durch die Erfindung wird ein Betrieb des Bolzensetzgeräts mit nicht aufladbaren Primärzellen ermöglicht, die bei Bedarf einfach ausgetauscht werden, ohne dass längere Ladezeiten auftreten.The bolt-setting tool according to the invention is preferably a portable, power-operated bolt-setting tool. To set a fastening element, gas, for example from a gas cartridge, is mixed in the combustion chamber with oxygen or air to form an ignitable mixture. When the ignitable mixture is ignited, it suddenly expands to drive a working piston. Conventional bolt-operated tools are operated with accumulators that contain rechargeable secondary cells. The accumulator must be charged while the stud gun is in operation, which can lead to disruptive interruptions. The invention enables operation of the bolt-actuating device with non-rechargeable primary cells, which can be easily replaced if necessary, without longer charging times occurring.

Gemäß einem Aspekt der Erfindung können zwei unterschiedliche Arten von Batteriezellen verwendet werden. Das liefert den Vorteil, dass das Bolzensetzgerät zunächst mit einem Akkumulator betrieben werden kann, der aufladbare Sekundärzellen enthält. Wenn der Akkumulator leer ist, kann er aufgeladen werden. Beim Aufladen kann das Bolzensetzgerät dann in vorteilhafter Weise mit den nicht aufladbaren Primärzellen betrieben werden. Das erfindungsgemäße Bolzensetzgerät kann ein Batteriezellenfach umfassen, das sowohl zur Aufnahme von Primärzellen als auch zur Aufnahme von Sekundärzellen geeignet ist. Das Bolzensetzgerät kann aber auch unterschiedliche Batteriefächer aufweisen, von denen eines zur Aufnahme von Primärzellen und ein anderes zur Aufnahme von Sekundärzellen geeignet ist.According to one aspect of the invention, two different types of battery cells can be used. This provides the advantage that the bolt-actuating device can initially be operated with an accumulator that contains rechargeable secondary cells. When the battery is empty, it can be charged. When charging, the bolt-actuating device can then be operated in an advantageous manner with the non-rechargeable primary cells. The bolt-setting device according to the invention can comprise a battery cell compartment which is suitable both for receiving primary cells and for receiving secondary cells. However, the bolt-actuating device can also have different battery compartments, one of which is suitable for receiving primary cells and another for receiving secondary cells.

Ein bevorzugtes Ausführungsbeispiel des Bolzensetzgeräts ist dadurch gekennzeichnet, dass die elektrische Energiespeichereinrichtung für einen Betrieb mit nicht aufladbaren, austauschbaren Primärzellen ausgeführt ist. Die nicht aufladbaren Primärzellen können gemäß einem weiteren Aspekt der Erfindung schnell und einfach ausgetauscht werden. Die nicht aufladbaren Primärzellen können zum Beispiel in einem einfach zugänglichen Batteriefach aufgenommen sein, das schnell und einfach geöffnet und wieder verschlossen werden kann.A preferred exemplary embodiment of the bolt-firing device is characterized in that the electrical energy storage device is designed for operation with non-rechargeable, exchangeable primary cells. According to a further aspect of the invention, the non-rechargeable primary cells can be exchanged quickly and easily. The non-rechargeable primary cells can, for example, be accommodated in an easily accessible battery compartment that can be opened and closed quickly and easily.

Ein weiteres bevorzugtes Ausführungsbeispiel des Bolzensetzgeräts ist dadurch gekennzeichnet, dass die Identifikationseinrichtung eine Messeinrichtung zum Messen eines Innenwiderstands von Primär- und/oder Sekundärzellen umfasst. Je nach Größe des Innenwiderstands der Batteriezellen wird, zum Beispiel anhand von gespeicherten Vergleichswerten, geräteintern erkannt, um welchen Zellentyp es sich handelt.Another preferred exemplary embodiment of the bolt-firing device is characterized in that the identification device is a measuring device for measuring a Internal resistance of primary and / or secondary cells. Depending on the size of the internal resistance of the battery cells, for example on the basis of stored comparison values, the device recognizes which type of cell it is.

Ein weiteres bevorzugtes Ausführungsbeispiel des Bolzensetzgeräts ist dadurch gekennzeichnet, dass die Identifikationseinrichtung mit einer elektronischen Steuerungseinrichtung verbunden und/oder kombiniert ist, die einen Elektromotor ansteuert, der die Einrichtung zum Erzeugen von Turbulenz oder zum Spülen der Brennkammer antreibt. Gemäß einem weiteren Aspekt der Erfindung wird der Elektromotor über die elektronische Steuerungseinrichtung in Abhängigkeit davon unterschiedlich angesteuert, ob die elektrische Energiespeichereinrichtung Primärzellen oder Sekundärzellen enthält.A further preferred exemplary embodiment of the bolt-firing device is characterized in that the identification device is connected and / or combined with an electronic control device that controls an electric motor that drives the device for generating turbulence or for purging the combustion chamber. According to a further aspect of the invention, the electric motor is controlled differently via the electronic control device depending on whether the electrical energy storage device contains primary cells or secondary cells.

Ein weiteres bevorzugtes Ausführungsbeispiel des Bolzensetzgeräts ist dadurch gekennzeichnet, dass die Einrichtung zum Erzeugen von Turbulenz oder zum Spülen der Brennkammer mindestens einen Ventilator umfasst. Der Ventilator wird durch den Elektromotor angetrieben. Die zum Antreiben des Elektromotors benötigte elektrische Energie wird von der elektrischen Energiespeichereinrichtung bereitgestellt.Another preferred exemplary embodiment of the bolt-firing device is characterized in that the device for generating turbulence or for purging the combustion chamber comprises at least one fan. The fan is driven by the electric motor. The electrical energy required to drive the electric motor is provided by the electrical energy storage device.

Bei einem Verfahren zum Betreiben eines vorab beschriebenen Bolzensetzgeräts ist die oben angegebene Aufgabe alternativ oder zusätzlich dadurch gelöst, dass vor dem Betreiben des Bolzensetzgeräts geräteintern detektiert wird, ob die elektrische Energiespeichereinrichtung nicht aufladbare Primärzellen und/oder aufladbare Sekundärzellen umfasst. Dadurch können unerwünschte Störungen im Betrieb des Bolzensetzgeräts, zum Beispiel durch die Verwendung von falschen Batteriezellen, verhindert werden. Gemäß einem weiteren Aspekt der Erfindung wird mit Hilfe der Identifikationseinrichtung auch erfasst, ob ein gemeinsames Batteriefach, das sowohl für die Aufnahme von Primärzellen als auch für die Aufnahme von Sekundärzellen geeignet ist, nur Primärzellen oder nur Sekundärzellen enthält. Gemäß einem weiteren Aspekt der Erfindung kann das Bolzensetzgerät auch für die gleichzeitige Verwendung von Primärzellen und Sekundärzellen geeignet sein.In the case of a method for operating a bolt-setting device described above, the above-mentioned object is alternatively or additionally achieved in that, before the bolt-setting device is operated, it is detected internally in the device whether the electrical energy storage device comprises non-rechargeable primary cells and / or rechargeable secondary cells. This can prevent undesirable malfunctions in the operation of the bolt-actuating device, for example through the use of incorrect battery cells. According to a further aspect of the invention, it is also detected with the aid of the identification device whether a common battery compartment, which is suitable both for holding primary cells and for holding secondary cells, contains only primary cells or only secondary cells. According to a further aspect of the invention, the bolt-actuating device can also be suitable for the simultaneous use of primary cells and secondary cells.

Ein bevorzugtes Ausführungsbeispiel des Verfahrens ist dadurch gekennzeichnet, dass in Abhängigkeit von der Art der in das Bolzensetzgerät eingesetzten Energiespeicherzellen unterschiedliche Unterspannungsabschaltspannungen verwendet werden, bei denen das Bolzensetzgerät abgeschaltet wird. Dadurch wird auf einfache Art und Weise ein stabiler Betrieb des Bolzensetzgeräts über die Lebensdauer der verwendeten Batteriezellen ermöglicht, die auch als Energiespeicherzellen bezeichnet werden.A preferred exemplary embodiment of the method is characterized in that, depending on the type of energy storage cells used in the bolt-firing device, different undervoltage cut-off voltages are used in which the bolt-firing device is switched off. This makes it more stable in a simple way Operation of the bolt gun over the life of the battery cells used, which are also referred to as energy storage cells.

Ein weiteres bevorzugtes Ausführungsbeispiel des Verfahrens ist dadurch gekennzeichnet, dass eine Ladestandsanzeigeneinrichtung des Bolzensetzgeräts in Abhängigkeit von der Art der in das beziehungsweise dem Bolzensetzgerät eingesetzten Energiespeicherzellen unterschiedlich geschaltet wird. Gemäß einem weiteren Aspekt der Erfindung wird sowohl bei der Verwendung von Primärzellen als auch bei der Verwendung von Sekundärzellen angezeigt, wie lange das Bolzensetzgerät mit den aktuell eingesetzten Batteriezellen noch verwendet werden kann.A further preferred exemplary embodiment of the method is characterized in that a charge status display device of the bolt-firing device is switched differently depending on the type of energy storage cells used in the bolt-firing device or. According to a further aspect of the invention, both when using primary cells and when using secondary cells, it is indicated how long the bolt-setting tool can still be used with the battery cells currently in use.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in der unter Bezugnahme auf die Zeichnung verschiedene Ausführungsbeispiele im Einzelnen beschrieben sind.

Figur 1
zeigt eine vereinfachte Darstellung eines erfindungsgemäßen Bolzensetzgeräts.
Further advantages, features and details of the invention emerge from the following description, in which various exemplary embodiments are described in detail with reference to the drawing.
Figure 1
shows a simplified representation of a bolt gun according to the invention.

AusführungsbeispieleEmbodiments

In Figur 1 ist ein erfindungsgemäßes Bolzensetzgerät 1 mit einem Gehäuse 2 stark vereinfacht dargestellt. Das Gehäuse 2 umfasst einen Handgriff 4, an dem das Bolzensetzgerät 1 zum Antreiben eines Befestigungselements anpackbar ist, das an einem Bolzensetzende 5 aus dem Bolzensetzgerät 1 austritt und in einen Untergrund eintreibbar ist.In Figure 1 A bolt-driving tool 1 according to the invention with a housing 2 is shown in a highly simplified manner. The housing 2 comprises a handle 4, on which the bolt-setting device 1 can be gripped for driving a fastening element, which emerges from the bolt-setting device 1 at a bolt-setting end 5 and can be driven into a subsurface.

Die verwendeten Befestigungselemente werden vorzugsweise über ein geräteinternes Magazin 6 bereitgestellt, das in der Nähe des Bolzensetzendes 5 des Bolzensetzgeräts 1 angebracht ist. Aus dem Magazin 6 werden die Befestigungselemente vorzugsweise einzeln automatisch entnommen und am Bolzensetzende 5 bereitgestellt.The fastening elements used are preferably provided via an internal magazine 6, which is attached in the vicinity of the bolt-setting end 5 of the bolt-setting device 1. The fastening elements are preferably automatically removed individually from the magazine 6 and provided at the end 5 of the bolt.

Zum Eintreiben der Befestigungselemente in den Untergrund benötigte Energie wird in einer Gasdose oder Gaskartusche 8 im Inneren des Bolzensetzgeräts 1 bereitgestellt. Die Gaskartusche 8 ist in ein Gasdosenfach aufnehmbar und über ein verstellbares beziehungsweise regelbares Dosierventil 10 und eine Gasleitung 11 mit einer Brennkammer oder einem Brennraum 12 verbindbar.Energy required to drive the fastening elements into the ground is provided in a gas can or gas cartridge 8 in the interior of the bolt-actuating device 1. The gas cartridge 8 can be accommodated in a gas can compartment and can be connected to a combustion chamber or a combustion chamber 12 via an adjustable or controllable metering valve 10 and a gas line 11.

In dem Brennraum 12 wird Gas aus der Gaskartusche 8 mit Luft zu einem brennfähigen Gemisch vermischt, das gezündet wird, um ein Befestigungselement, wie einen Bolzen oder einen Nagel, in den Untergrund einzutreiben. Die zum Eintreiben benötigte Energie wird, zum Beispiel über einen (nicht dargestellten) Arbeitskolben von der Brennkammer 12 auf ein Befestigungselement am Bolzensetzende 5 übertragen.In the combustion chamber 12, gas from the gas cartridge 8 is mixed with air to form a combustible mixture which is ignited to drive a fastening element, such as a bolt or a nail, into the underground. The energy required for driving is transmitted, for example, via a working piston (not shown) from the combustion chamber 12 to a fastening element at the end 5 of the bolt.

In dem Brennraum 12 ist eine Einrichtung 14 angeordnet, die dazu dient, in dem Brennraum 12 Turbulenz zu erzeugen, den Brennraum 12 zu spülen und/oder zu kühlen. Die Einrichtung 14 umfasst einen Ventilator 15, der von einem Elektromotor 18 angetrieben wird. Der Elektromotor 18 wird über eine elektronische Steuerungseinrichtung 20 angesteuert.A device 14 is arranged in the combustion chamber 12, which serves to generate turbulence in the combustion chamber 12, to flush and / or to cool the combustion chamber 12. The device 14 comprises a fan 15 which is driven by an electric motor 18. The electric motor 18 is controlled via an electronic control device 20.

Von der elektronischen Steuerungseinrichtung 20 erstreckt sich ein Zündkabel 21 zum Brennraum 12. Über das Zündkabel 21 wird das zündfähige Gemisch im Brennraum 12 gezündet.An ignition cable 21 extends from the electronic control device 20 to the combustion chamber 12. The ignitable mixture in the combustion chamber 12 is ignited via the ignition cable 21.

Der Elektromotor 18 ist über eine Motorsteuerungsleitung 22 ebenfalls mit der elektronischen Steuerungseinrichtung 20 verbunden. Darüber hinaus ist eine elektrische Energiespeichereinrichtung 24, aus welcher der Elektromotor 18 seine Antriebsenergie bezieht, mit der Steuerungseinrichtung 20 verbunden.The electric motor 18 is also connected to the electronic control device 20 via a motor control line 22. In addition, an electrical energy storage device 24, from which the electric motor 18 draws its drive energy, is connected to the control device 20.

Gemäß einem wesentlichen Aspekt der Erfindung kann die elektrische Energiespeichereinrichtung 24 nicht aufladbare Primärzellen umfassen. Die nicht aufladbaren Primärzellen sind vorzugsweise auf einfache Art und Weise austauschbar.According to an essential aspect of the invention, the electrical energy storage device 24 can comprise non-rechargeable primary cells. The non-rechargeable primary cells are preferably easy to replace.

Die elektrische Energiespeichereinrichtung 24 umfasst zum Beispiel ein Batteriefach, das durch einen Batteriefachdeckel verschließbar ist. Der Batteriefachdeckel kann auf einfache Art und Weise geöffnet beziehungsweise abgenommen werden, um Batteriezellen einzusetzen.The electrical energy storage device 24 comprises, for example, a battery compartment that can be closed by a battery compartment cover. The battery compartment cover can be opened or removed in a simple manner in order to insert battery cells.

Bei einem nicht dargestellten Ausführungsbeispiel bildet das Batteriefach mit dem Gasdosenfach ein einziges Versorgungsfach mit einem Versorgungsfachdeckel, in das die Gasdose und die Batteriezellen einsetzbar sind. Bevorzugt sind die Batteriezellen und die Gasdose fest miteinander verbunden und bilden eine Energieversorgungseinheit, mit der das Bolzensetzgerät betrieben wird, wenn die Energieversorgungseinheit in das Versorgungsfach eingesetzt ist.In an embodiment not shown, the battery compartment with the gas can compartment forms a single supply compartment with a supply compartment cover, into which the gas can and the battery cells can be inserted. The battery cells and the gas can are preferably connected to one another and form an energy supply unit with which the bolt-actuating device is operated when the energy supply unit is inserted into the supply compartment.

Gemäß einem weiteren Aspekt der Erfindung kann die elektrische Energiespeichereinrichtung 24 auch aufladbare Sekundärzellen umfassen. Zu diesem Zweck ist die Steuerungseinrichtung 20 mit einer Identifikationseinrichtung ausgestattet, die dazu dient, zu erkennen, ob Primärzellen oder Sekundärzellen in das Batteriefach eingesetzt sind. In Abhängigkeit von den im Batteriefach enthaltenen Batteriezellen wird der Elektromotor 18 über die Steuerungseinrichtung 20 unterschiedlich angesteuert.According to a further aspect of the invention, the electrical energy storage device 24 can also comprise rechargeable secondary cells. For this purpose, the control device 20 is equipped with an identification device which serves to recognize whether primary cells or secondary cells are inserted in the battery compartment. Depending on the battery cells contained in the battery compartment, the electric motor 18 is controlled differently via the control device 20.

Claims (8)

  1. Power-actuated stud driver, with a combustion chamber (12), in which an electrically driven device (14) for creating turbulence or for purging the combustion chamber (12) is arranged, and with an electrical energy storage device (24), characterized in that the electrical energy storage device (24) is designed for operation with non-rechargeable primary cells and/or with rechargeable secondary cells and in that the power-actuated stud driver (1) comprises an identification device for identifying primary cells or secondary cells.
  2. Power-actuated stud driver according to Claim 1, characterized in that the electrical energy storage device (24) is designed for operation with non-rechargeable, exchangeable primary cells.
  3. Power-actuated stud driver according to either of the preceding claims, characterized in that the identification device comprises a measuring device for measuring an internal resistance of primary and/or secondary cells.
  4. Power-actuated stud driver according to one of the preceding claims, characterized in that the identification device is connected to and/or combined with an electronic control device (20), which activates an electric motor (18), which drives the device (14) for creating turbulence or for purging the combustion chamber (12).
  5. Power-actuated stud driver according to one of the preceding claims, characterized in that the device (14) for creating turbulence or for purging the combustion chamber (12) comprises at least one fan (15).
  6. Method for operating a power-actuated stud driver (1) according to one of the preceding claims, characterized in that, before operating the power-actuated stud driver (1), it is detected internally therein whether the electrical energy storage device (24) comprises non-rechargeable primary cells and/or rechargeable secondary cells.
  7. Method according to Claim 6, characterized in that, in dependence on the type of energy storage cells fitted into the power-actuated stud driver (1), different undervoltage cutoff voltages at which the power-actuated stud driver (1) is switched off are used.
  8. Method according to Claim 6 or 7, characterized in that a charge indicating device of the power-actuated stud driver (1) is switched differently in dependence on the type of energy storage cells fitted into or in the power-actuated stud driver (1).
EP12164412.4A 2011-05-19 2012-04-17 Bolt setting device and method for operating same Active EP2524771B1 (en)

Applications Claiming Priority (1)

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DE102011076086A DE102011076086A1 (en) 2011-05-19 2011-05-19 A bolt gun and method for operating a bolt gun

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EP2524771A1 EP2524771A1 (en) 2012-11-21
EP2524771B1 true EP2524771B1 (en) 2020-05-06

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US (1) US20120292061A1 (en)
EP (1) EP2524771B1 (en)
JP (1) JP2012240194A (en)
CN (1) CN102785217B (en)
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TW (1) TWI589412B (en)

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TWI589412B (en) 2017-07-01
JP2012240194A (en) 2012-12-10
CN102785217B (en) 2017-03-01
CN102785217A (en) 2012-11-21
EP2524771A1 (en) 2012-11-21
DE102011076086A1 (en) 2012-11-22
CA2775852A1 (en) 2012-11-19
US20120292061A1 (en) 2012-11-22
TW201247369A (en) 2012-12-01

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