EP2314926B1 - Domestic appliance, in particular cooking device, with a cable clip - Google Patents

Domestic appliance, in particular cooking device, with a cable clip Download PDF

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Publication number
EP2314926B1
EP2314926B1 EP10187965.8A EP10187965A EP2314926B1 EP 2314926 B1 EP2314926 B1 EP 2314926B1 EP 10187965 A EP10187965 A EP 10187965A EP 2314926 B1 EP2314926 B1 EP 2314926B1
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EP
European Patent Office
Prior art keywords
tab
domestic appliance
supporting component
sheet metal
processing step
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EP10187965.8A
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German (de)
French (fr)
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EP2314926A1 (en
Inventor
Christian Gassner
Robert Nadler
Alexander Ponemunski
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP2314926A1 publication Critical patent/EP2314926A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/10Arrangement or mounting of ignition devices
    • F24C3/103Arrangement or mounting of ignition devices of electric ignition devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/12Arrangement or mounting of control or safety devices

Definitions

  • the invention relates to a domestic appliance, in particular cooking appliance, preferably gas-fired cooking appliance, comprising at least one bearing member made of sheet metal and at least one electrical line and at least one line holder for fixing the position of the electrical line to the supporting component.
  • Domestic appliances of the type mentioned have a housing with a series of load-bearing components which form, for example, a housing of the domestic appliance and / or serve for fastening components of the domestic appliance.
  • the apparatus having a structural member in the form of a wire support frame having grooves extending along a surface thereof.
  • the frames can be made of plastic or by Therrrioformen, z. B. by vacuum forming of plastic sheet material, are produced. It is also envisaged that the frame can be stamped and formed from sheet metal or aluminum.
  • a hinge plate is provided with a formed by folding and punching metallic contact tab, which comes in contact with the cable duct in touching contact with the contact tongue.
  • the metallic hinge plate and an attached thereto and electrically connected to the hinge plate treatment tank connected to the ground terminal of the household power supply.
  • an opening 65A forms the passage for an electrical wiring harness through an extension 65th
  • the present invention is therefore an object of the invention to provide a domestic appliance available, in which the electrical lines are set in a particularly simple manner and while avoiding possible damage to the electrical line by ridges created during manufacture are safe on the metal sheet.
  • the invention can be used when the electrical line is provided for applying high voltage.
  • electrical voltages of> 1000 volts are referred to as high voltage. Due to the high voltage is in such lines a particularly high risk that other electrical or electronic components of the domestic appliance are disturbed by electrical or electromagnetic fields. For this reason, provided for applying high voltage electrical lines are separated from other lines are laid in the household appliance and a particularly large distance to electronic components is observed.
  • the invention can be used when the appliance has a hob and the supporting member is a part of the hob.
  • the electrical cables are laid separately from components that are particularly hot during operation, such as gas burners or electric radiators.
  • the domestic appliance can have a gas burner and the gas burner can be fastened to the supporting component.
  • the load-bearing component may be formed, for example, by a so-called burner bridge.
  • a burner bridge is a bow-shaped component which extends from the left to the right side wall of the stovetop and serves to accommodate the lower parts of the gas burners.
  • the electrical leads leading to the gas burner are then likewise fastened to the burner bridge by means of the conductor holders according to the invention.
  • the domestic appliance has a gas burner and the electrical line is an ignition line for the gas burner.
  • the ignition line At the burner end of the ignition line is a so-called ignition electrode, at the ignition of the gas burner, an electric spark is generated.
  • the ignition line can be acted upon by a pulsed high voltage.
  • the conductor holder is worked out by a material-separating processing step from the metal sheet of the supporting component.
  • a material-separating processing steps are, for example, punching or laser cutting into consideration.
  • the material-separating processing step for the preparation of the tab from the metal sheet by a burr-forming method for example by punching
  • the metal sheet is oriented during the material-separating processing step such that the burr on the tab on the side facing away from the electrical line.
  • the electric cable can be fixed to the tab, in which she is pushed under the tab. Consequently, the tab is made such that the ridge is at the top of the tab. In this way, damage to the electrical line, in particular its isolation, is excluded by the burr. A deburring of the tab is not required.
  • the material-separating processing step for the preparation of the tab from the metal sheet by a burr-forming process for example by punching done and the metal sheet is deformed during the material-separating processing step such that the burr on the flap facing edge of the supporting member oriented in such a way is that the mounted electrical line does not rest on the ridge.
  • the burr formed as a result of the punching on the load-bearing component is located on the side of the load-bearing component facing the electrical line. Damage to the electrical line can nevertheless be reliably prevented by adjusting the punching tool in such a way that, during the punching process, the metal sheet is first bent in the direction of the side facing away from the later-emerging ridge, and only then is the tab punched out.
  • the orientation of the ridge can be influenced such that the sharp edge of the ridge is parallel to the metal sheet or slightly downwards.
  • the electrical line is therefore not directly on the ridge, so that damage to the electrical line is excluded. Deburring of the load-bearing component is not required.
  • a particularly convenient shape is when the tab has a rear portion at which the tab is in the plane of the metal sheet of the supporting member and merges into the supporting member, a central portion in which the tab from the plane of the metal sheet of the supporting member is spaced, and a front portion, in which the tab has a smaller distance from the plane of the metal sheet of the component than in the central portion.
  • the electrical line is arranged in the region of the middle section of the tab, between the tab and the plane of the metal sheet of the supporting component.
  • FIG. 1 shows a running as a stove 1 domestic appliance in a schematic representation.
  • the stove 1 has a hob 2 and an oven 3.
  • a display element 5 is provided with an operator, for example, the current operating state of the stander 1 can be displayed.
  • the hob 2 of the stander 1 is designed as a gas hob and has four gas burner 6, which are arranged on a hob plate 7.
  • pot carrier which are supported on the hob plate 7 and a support surface for food containers such as pots or pans.
  • a food container can be positioned so that it is located directly above a gas burner 6 and can be heated with this.
  • FIG. 2 To recognize here are the normally under the cooktop plate 7 located burner bases 9 of the gas burner 6.
  • burner bases 9 In each case two burner bases 9 are mounted on a designated as burner bridge supporting member 8, which is located between two side walls 10 of the stander 1 extends and on these side walls 10 is attached.
  • conductor holders 13 for electrical lines 12 are formed directly from the supporting components 8.
  • the line holder 13 define the position of the electrical lines 12, which serve to supply to the burner lower parts 9 arranged ignition electrodes 14 with high voltage electrical.
  • An electronics unit 11, which serves in particular for controlling the various functions of the oven 3, is arranged clearly spaced from the electrical lines 12. In this way, a possible disruption or damage of the electronic unit 11 is reliably prevented by the electrical and / or magnetic beams emanating from the electrical lines 12.
  • FIG. 3 is a part of the FIG. 2 shown with a burner lower part 9 of a gas burner 6 and a conductor holder 13 according to the invention.
  • the arrangement of the line holder 13 in the supporting component 8 can be seen here in particular.
  • the electrical line 12 guided with the line holder 13 is connected to the ignition electrode 14. Further to recognize is a thermocouple 15, with which a flame can be detected at the gas burner 6.
  • FIG. 4 a non-inventive conductor holder 13 is shown in detail.
  • the conductor holder is integrally formed by a material-separating processing step and by a material-deforming processing step from the metal sheet of the supporting component 8.
  • the material-separating processing step and the deforming processing step are combined using suitable tools into a single processing step.
  • the line holder 13 consists of a separate out of the metal sheet tab 19, which remains connected to one side with the metal sheet of the supporting member 8.
  • the tab 19 is partially bent out of the plane of the metal sheet upwards. In a rear section 16, the tab 19 lies in the plane of the metal sheet and merges into the supporting component 8.
  • a middle portion 17 of the tab is bent out of the plane of the metal sheet of the supporting member 8. The resulting between the central portion 17 and the plane of the metal sheet of the supporting member 8 distance serves to receive the electrical line 12.
  • a front portion 18 of the tab is back down, to Level of the metal sheet of the supporting member 8 bent out. This secures the electrical line against slipping out of the line holder 13.
  • the assembly of the electrical line 12 in the line holder 13 is effected in a simple manner in that the electrical line 12 is pushed according to the drawing from left to right under the tab 19. For this purpose, it is necessary to slightly deform the electrical line 12. Removal of the electrical line 12 from the line holder 13 requires a renewed manual deformation of the electrical line 12. An automatic slipping out of the electrical line 12 from the line holder 13 is thus reliably prevented.
  • FIG. 5 shows a cross section through a non-inventive line holder 13 in the region of the central portion 17.
  • the material-separating processing step is carried out such that a ridge 20 which thereby arises on the tab 19 is located on the upper side of the lug 19 facing away from the electrical line 12. Damage to the electrical line 12 through the ridge 20 located on the tab 19 is thereby excluded both during assembly, as well as during transport or during operation of the stander 1.
  • a burr 21 emerging at the top side of the supporting component 8 is not directed toward the electric line 12. This is accomplished by deforming the metal sheet of the structural member 8 downwardly prior to performing the material separating processing step.
  • FIG. 6 shows a cross section through a inventively designed conductor holder.
  • the metal sheet is deformed such that the tab 19a is concavely curved such that the edges of the tab 19a are bent away from the electric wire 12.
  • the edges of the supporting member 8a facing the tab 19a are in the opposite direction, ie also bent away from the electrical lead.
  • damage to the electrical line 12 is also reliably prevented by burrs which may possibly occur at the edges during production.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)

Description

Gegenstand der Erfindung ist ein Hausgerät, insbesondere Gargerät, vorzugsweise gasbeheiztes Gargerät, mit mindestens einem aus Metallblech ausgeführten tragenden Bauteil und mindestens einer elektrischen Leitung sowie mindestens einem Leitungshalter zum Festlegen der Position der elektrischen Leitung an dem tragenden Bauteil.The invention relates to a domestic appliance, in particular cooking appliance, preferably gas-fired cooking appliance, comprising at least one bearing member made of sheet metal and at least one electrical line and at least one line holder for fixing the position of the electrical line to the supporting component.

Hausgeräte der genannten Art besitzen ein Gehäuse mit einer Reihe von tragenden Bauteilen, die beispielsweise ein Gehäuse des Hausgeräts bilden und/oder zur Befestigung von Komponenten des Hausgeräts dienen.Domestic appliances of the type mentioned have a housing with a series of load-bearing components which form, for example, a housing of the domestic appliance and / or serve for fastening components of the domestic appliance.

Bei gattungsgemäßen Hausgeräten handelt es sich zum Beispiel um Standherde. Standherde können mit einem gasbeheizten Kochfeld und mit einem elektrisch beheizten Backofen ausgerüstet sind. Zum Zünden der Gasflammen an den Brennern des gasbeheizten Kochfelds sind im Bereich der Gasbrenner Zündelektroden angeordnet, die über elektrische Leitungen mit einer hohen Zündspannung beaufschlagbar sind. Moderne Backöfen in Standherden besitzen häufig eine elektronische Steuerung, die - um Fehlfunktionen zu vermeiden - vor starken elektrischen und/oder magnetischen Feldern zu schützen ist. Um Störungen der Elektronik zu vermeiden, sind die elektrischen Leitungen, insbesondere die oben genannten Zündleitungen, definiert im Inneren des Hausgeräts verlegt, sodass ein Mindestabstand zu den elektronischen Komponenten eingehalten wird. Weiter ist bei der Anordnung der elektrischen Leitungen sicher zu stellen, dass diese nicht in Kontakt mit sehr heißen Bauteilen, beispielsweise mit den Unterteilen der Gasbrenner geraten, da dies die Isolierung der Leitungen beschädigen kann.In generic household appliances are, for example, stoves. Stoves can be equipped with a gas-fired hob and an electrically heated oven. For igniting the gas flames on the burners of the gas-heated cooktop, ignition electrodes are arranged in the region of the gas burners and can be acted upon by electrical lines with a high ignition voltage. Modern ovens in stoves often have an electronic control, which - to avoid malfunction - is to protect against strong electrical and / or magnetic fields. In order to avoid disturbances of the electronics, the electrical lines, in particular the abovementioned ignition lines, are defined routed inside the household appliance, so that a minimum distance to the electronic components is maintained. Next is to make sure that the arrangement of the electrical lines, that they do not come in contact with very hot components, for example, with the lower parts of the gas burner, as this can damage the insulation of the cables.

Um die Lage der elektrischen Leitungen im Inneren des Gargeräts zu definieren, ist der Einsatz von Leitungshaltern bekannt. Im Stand der Technik handelt es sich hierbei um federnde Klammern aus Kunststoff, die in vorbereitete Öffnungen des tragenden Bauteils des Hausgeräts eingeklippt werden. Zwei sich gegenüber stehende Haken der federnden Klammer definieren dann die Lage der zwischen die Haken eingelegten elektrischen Leitung. Nachteilig an dieser bekannten Lösung ist, dass die federnden Klammern separate Bauteile darstellen, die an dem tragenden Bauteil vormontiert werden müssen.In order to define the position of the electrical lines inside the cooking appliance, the use of line holders is known. In the prior art, these are resilient clips made of plastic, which are clipped into prepared openings of the supporting component of the household appliance. Two opposing hooks of the resilient clip then define the position of the inserted between the hook electrical line. A disadvantage of this known solution is that the resilient clips represent separate components that must be pre-assembled to the supporting component.

Darüber hinaus besteht die Gefahr, dass die federnden Klammern während des Transports beschädigt werden oder verloren gehen, wodurch dann beispielsweise an der Montagelinie des Hausgeräts nacharbeiten erforderlich sind.In addition, there is a risk that the resilient clamps are damaged or lost during transport, which then, for example, on the assembly line of the domestic appliance reworking required.

Zudem ist aus dem Dokument EP 0 321 286 A1 eine Vorrichtung zum Herstellen eines Kabelbaums aus einer Vielzahl von Drähten bekannt, wobei die Vorrichtung ein Strukturelement in der Form eines Drahthalterahmens aufweist, der Nuten hat, die sich längs dessen einer Oberfläche erstrecken. Die Rahmen können aus Kunststoff oder durch Therrrioformen, z. B. durch Vakuumformen von Kunststoffplattenmaterial, hergestellt werden. Es ist auch vorgesehen, dass der Rahmen aus Blech oder Aluminium gestanzt und geformt werden kann.Moreover, from the document EP 0 321 286 A1 an apparatus for producing a wire harness of a plurality of wires, the apparatus having a structural member in the form of a wire support frame having grooves extending along a surface thereof. The frames can be made of plastic or by Therrrioformen, z. B. by vacuum forming of plastic sheet material, are produced. It is also envisaged that the frame can be stamped and formed from sheet metal or aluminum.

Außerdem ist aus dem Dokument DE 10 2007 052073 B3 ein Haushaltsgerät mit einem im Kabelschacht aufgenommenen Kabelbaum und ein Erdungskabel bekannt, das mit einem elektrisch leitfähigen Bauteil des Hausgeräts elektrisch leitend verbunden ist. Dabei ist eine Scharnierplatte mit einer durch Abkanten und Stanzen geformten metallischen Kontaktlasche versehen, die bei montiertem Kabelschacht in Berührungskontakt mit der Kontaktzunge gelangt. Über den elektrischen Kontakt zwischen Kontaktzunge und Kontaktlasche ist die metallische Scharnierplatte und ein daran befestigter und mit der Scharnierplatte elektrisch leitend verbundener Behandlungsbehälter mit dem Massenanschluss der Haushaltsstromversorgung verbunden.Besides, from the document DE 10 2007 052073 B3 a household appliance with a cable harness recorded in the cable duct and a grounding cable, which is electrically connected to an electrically conductive component of the domestic appliance. In this case, a hinge plate is provided with a formed by folding and punching metallic contact tab, which comes in contact with the cable duct in touching contact with the contact tongue. About the electrical contact between the contact tongue and contact tab, the metallic hinge plate and an attached thereto and electrically connected to the hinge plate treatment tank connected to the ground terminal of the household power supply.

Außerdem ist aus dem Dokument JP 10009578 A ein U-förmiges Blechbauteil zur Montage einer Zündung bekannt. Zur Positionierung werden Teile des Blechbauteils um die Leitungsdrähte gebogen, um diese zu umgreifen.Besides, from the document JP 10009578 A a U-shaped sheet metal component for mounting an ignition known. For positioning, parts of the sheet metal component are bent around the lead wires to engage around them.

Außerdem ist aus dem Dokument GB 2197457 A eine steckbare Ofenstruktur bekannt. Dabei bildet eine Öffnungen 65A den Durchgang für einen elektrischen Kabelbaum durch eine Erweiterungen 65.Besides, from the document GB 2197457 A a pluggable oven structure known. In this case, an opening 65A forms the passage for an electrical wiring harness through an extension 65th

Weiterer relevanter Stand der Technik ist in den Dokumenten EP 1 529 873 A1 und US 5 184 792 A zu finden.Further relevant prior art is in the documents EP 1 529 873 A1 and US 5,184,792 A. to find.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Hausgerät zur Verfügung zu stellen, bei dem die elektrischen Leitungen in besonders einfacher Weise festgelegt und bei gleichzeitiger Vermeidung möglicher Beschädigung der elektrischen Leitung durch bei der Herstellung entstehende Grate am Metallblech sicher sind.The present invention is therefore an object of the invention to provide a domestic appliance available, in which the electrical lines are set in a particularly simple manner and while avoiding possible damage to the electrical line by ridges created during manufacture are safe on the metal sheet.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Mit besonderem Vorteil ist die Erfindung einsetzbar, wenn die elektrische Leitung zur Beaufschlagung mit Hochspannung vorgesehen ist. Üblicherweise werden elektrische Spannungen von >1000 Volt als Hochspannung bezeichnet. Aufgrund der hohen Spannung besteht bei derartigen Leitungen eine besonders große Gefahr, dass andere elektrische oder elektronische Komponenten des Hausgeräts durch elektrische oder elektromagnetische Felder gestört werden. Aus diesem Grund werden zur Beaufschlagung mit Hochspannung vorgesehene elektrische Leitungen getrennt von sonstigen Leitungen im Hausgerät verlegt und ist ein besonders großer Abstand zu elektronischen Komponenten einzuhalten.This object is achieved by the characterizing features of claim 1. With particular advantage, the invention can be used when the electrical line is provided for applying high voltage. Usually, electrical voltages of> 1000 volts are referred to as high voltage. Due to the high voltage is in such lines a particularly high risk that other electrical or electronic components of the domestic appliance are disturbed by electrical or electromagnetic fields. For this reason, provided for applying high voltage electrical lines are separated from other lines are laid in the household appliance and a particularly large distance to electronic components is observed.

Mit besonderem Vorteil ist die Erfindung einsetzbar, wenn das Hausgerät ein Kochfeld aufweist und das tragende Bauteil ein Teil des Kochfelds ist. Bei Kochfeldern ist zusätzlich zu gewährleisten, dass die elektrischen Leitungen getrennt von während des Betriebs besonders heißen Komponenten verlegt werden, wie beispielsweise Gasbrennern oder elektrischen Heizkörpern.With particular advantage, the invention can be used when the appliance has a hob and the supporting member is a part of the hob. In the case of cooktops, it is also necessary to ensure that the electrical cables are laid separately from components that are particularly hot during operation, such as gas burners or electric radiators.

Beispielsweise kann das Hausgerät einen Gasbrenner aufweisen und der Gasbrenner an dem tragenden Bauteil befestigt sein. Bei Standherden kann das tragende Bauteil beispielsweise von einer sogenannten Brennerbrücke gebildet sein. Bei einer Brennerbrücke handelt es sich um ein bügelförmiges Bauteil, welches sich von der linken bis zur rechten Seitenwand des Standherds erstreckt und zur Aufnahme von Unterteilen der Gasbrenner dient. Die zu dem Gasbrenner führenden elektrischen Leitungen werden dann mittels der erfindungsgemäßen Leitungshalter ebenfalls an der Brennerbrücke befestigt.For example, the domestic appliance can have a gas burner and the gas burner can be fastened to the supporting component. For stoves, the load-bearing component may be formed, for example, by a so-called burner bridge. A burner bridge is a bow-shaped component which extends from the left to the right side wall of the stovetop and serves to accommodate the lower parts of the gas burners. The electrical leads leading to the gas burner are then likewise fastened to the burner bridge by means of the conductor holders according to the invention.

Hierbei ist es möglich, dass das Hausgerät einen Gasbrenner aufweist und die elektrische Leitung eine Zündleitung für den Gasbrenner ist. Am brennerseitigen Ende der Zündleitung befindet sich eine sogenannte Zündelektrode, an der zum Zünden des Gasbrenners ein elektrischer Funke erzeugt wird. Hierzu ist die Zündleitung mit einer getakteten Hochspannung beaufschlagbar. Der Leitungshalter ist durch einen materialtrennenden Bearbeitungsschritt aus dem Metallblech des tragenden Bauteils ausgearbeitet. Als materialtrennende Bearbeitungsschritte kommen beispielsweise Stanzen oder Laserschneiden in Betracht.In this case, it is possible that the domestic appliance has a gas burner and the electrical line is an ignition line for the gas burner. At the burner end of the ignition line is a so-called ignition electrode, at the ignition of the gas burner, an electric spark is generated. For this purpose, the ignition line can be acted upon by a pulsed high voltage. The conductor holder is worked out by a material-separating processing step from the metal sheet of the supporting component. As a material-separating processing steps are, for example, punching or laser cutting into consideration.

Zweckmäßigerweise erfolgt der materialtrennende Bearbeitungsschritt zur Ausarbeitung der Lasche aus dem Metallblech durch ein gratbildendes Verfahren, beispielsweise durch Stanzen, und ist das Metallblech während des materialtrennenden Bearbeitungsschritts derart orientiert, dass sich der Grat an der Lasche auf der der elektrischen Leitung abgewandten Seite befindet. Die elektrische Leitung lässt sich an der Lasche festlegen, in dem sie unter die Lasche geschoben wird. Folglich wird die Lasche derart hergestellt, dass sich der Grat an der Oberseite der Lasche befindet. Auf diese Weise ist eine Beschädigung der elektrischen Leitung, insbesondere ihrer Isolierung, durch den Grat ausgeschlossen. Ein Entgraten der Lasche ist nicht erforderlich.Appropriately, the material-separating processing step for the preparation of the tab from the metal sheet by a burr-forming method, for example by punching, and the metal sheet is oriented during the material-separating processing step such that the burr on the tab on the side facing away from the electrical line. The electric cable can be fixed to the tab, in which she is pushed under the tab. Consequently, the tab is made such that the ridge is at the top of the tab. In this way, damage to the electrical line, in particular its isolation, is excluded by the burr. A deburring of the tab is not required.

Ebenso zweckmäßig ist es, dass der materialtrennende Bearbeitungsschritt zur Ausarbeitung der Lasche aus dem Metallblech durch ein gratbildendes Verfahren, beispielsweise durch Stanzen erfolgt und das Metallblech während des materialtrennenden Bearbeitungsschritts derart verformt wird, dass der Grat an der der Lasche zugewandten Kante des tragenden Bauteils derart orientiert ist, dass die montierte elektrische Leitung nicht auf dem Grat aufliegt. Der in Folge des Stanzens an dem tragenden Bauteil entstehende Grat befindet sich auf der der elektrischen Leitung zugewandten Seite des tragenden Bauteils. Eine Beschädigung der elektrischen Leitung kann dennoch sicher verhindert werden, in dem das Stanzwerkzeug derart eingestellt wird, dass sich das Metallblech während des Stanzvorgangs zunächst in Richtung der dem später entstehenden Grat abgewandte Seite gebogen wird und erst anschließend die Lasche ausgestanzt wird. Auf diese Weise kann die Orientierung des Grats derart beeinflusst werden, dass die scharfe Kante des Grats parallel zum Metallblech oder leicht nach unten gerichtet ist. Die elektrische Leitung liegt daher nicht direkt auf dem Grat auf, so dass eine Beschädigung der elektrischen Leitung ausgeschlossen ist. Ein Entgraten des tragenden Bauteils ist nicht erforderlich.It is also expedient that the material-separating processing step for the preparation of the tab from the metal sheet by a burr-forming process, for example by punching done and the metal sheet is deformed during the material-separating processing step such that the burr on the flap facing edge of the supporting member oriented in such a way is that the mounted electrical line does not rest on the ridge. The burr formed as a result of the punching on the load-bearing component is located on the side of the load-bearing component facing the electrical line. Damage to the electrical line can nevertheless be reliably prevented by adjusting the punching tool in such a way that, during the punching process, the metal sheet is first bent in the direction of the side facing away from the later-emerging ridge, and only then is the tab punched out. In this way, the orientation of the ridge can be influenced such that the sharp edge of the ridge is parallel to the metal sheet or slightly downwards. The electrical line is therefore not directly on the ridge, so that damage to the electrical line is excluded. Deburring of the load-bearing component is not required.

Eine besonders zweckmäßige Formgebung liegt vor, wenn die Lasche einen hinteren Abschnitt aufweist, an dem die Lasche in der Ebene des Metallblechs des tragenden Bauteils liegt und in das tragende Bauteil übergeht, einen mittleren Abschnitt in dem die Lasche von der Ebene des Metallblechs des tragenden Bauteils beabstandet ist, und einen vorderen Abschnitt, in dem die Lasche einen geringeren Abstand zu der Ebene des Metallblechs des Bauteils aufweist als in dem mittleren Abschnitt. Mit dieser Ausbildung der Lasche ist sicher gestellt, dass die elektrische Leitung nicht von selbst aus dem Leitungshalter herausrutschen kann. Gleichzeitig ist die elektrische Leitung in dem Leitungshalter locker genug geführt, dass eine Bewegung der elektrischen Leitung in Längsrichtung ermöglicht ist.A particularly convenient shape is when the tab has a rear portion at which the tab is in the plane of the metal sheet of the supporting member and merges into the supporting member, a central portion in which the tab from the plane of the metal sheet of the supporting member is spaced, and a front portion, in which the tab has a smaller distance from the plane of the metal sheet of the component than in the central portion. With this design of the tab is ensured that the electrical cable can not slip out of the line holder by itself. At the same time, the electrical line in the line holder is guided loosely enough that a movement of the electrical line in the longitudinal direction is made possible.

Dies wird dadurch erreicht, dass die elektrische Leitung im Bereich des mittleren Abschnitts der Lasche, zwischen der Lasche und der Ebene des Metallblechs des tragenden Bauteils angeordnet ist.This is achieved in that the electrical line is arranged in the region of the middle section of the tab, between the tab and the plane of the metal sheet of the supporting component.

Weitere Vorteile und Einzelheiten der Erfindung werden anhand des in den schematischen Figuren dargestellten Ausführungsbeispiels näher erläutert.Further advantages and details of the invention will be explained in more detail with reference to the embodiment shown in the schematic figures.

Dabei zeigt:

Figur 1
ein als Standherd ausgeführtes Hausgerät in schematischer Darstellung,
Figur 2
den Standherd von oben mit abgenommener Kochfeldplatte,
Figur 3
einen Ausschnitt mit einem Brennerunterteil eines Gasbrenners und einem erfindungsgemäßen Leitungshalter,
Figur 4
einen Leitungshalter im Detail,
Figur 5
einen Querschnitt durch den Leitungshalter,
Figur 6
einen Querschnitt durch einen alternativ ausgeführten Leitungshalter.
Showing:
FIG. 1
a household appliance designed as a stove in a schematic representation,
FIG. 2
the stove from above with removed hob plate,
FIG. 3
a section with a burner lower part of a gas burner and a conductor holder according to the invention,
FIG. 4
a conductor holder in detail,
FIG. 5
a cross section through the conductor holder,
FIG. 6
a cross section through an alternative designed conductor holder.

Figur 1 zeigt ein als Standherd 1 ausgeführtes Hausgerät in schematischer Darstellung. Der Standherd 1 besitzt ein Kochfeld 2 und einen Backofen 3. Die Bedienung des Kochfelds 2 und des Backofens 3 erfolgt mittels Bedienelementen 4. Weiter ist ein Anzeigeelement 5 vorgesehen, mit dem einer Bedienperson bspw. der momentane Betriebszustand des Standherds 1 angezeigt werden kann. Das Kochfeld 2 des Standherds 1 ist als Gas-Kochfeld ausgeführt und weist vier Gasbrenner 6 auf, die auf einer Kochfeldplatte 7 angeordnet sind. In der vorliegenden Abbildung nicht dargestellt sind Topfträger, die sich auf der Kochfeldplatte 7 abstützen und eine Auflagefläche für Gargutbehälter wie bspw. Töpfe oder Pfannen aufweisen. Auf den Topfträgern kann ein Gargutbehälter derart positioniert werden, dass er sich direkt oberhalb eines Gasbrenners 6 befindet und mit diesem aufgeheizt werden kann. FIG. 1 shows a running as a stove 1 domestic appliance in a schematic representation. The stove 1 has a hob 2 and an oven 3. The operation of the hob 2 and the oven 3 by means of controls 4. Furthermore, a display element 5 is provided with an operator, for example, the current operating state of the stander 1 can be displayed. The hob 2 of the stander 1 is designed as a gas hob and has four gas burner 6, which are arranged on a hob plate 7. Not shown in the present figure are pot carrier, which are supported on the hob plate 7 and a support surface for food containers such as pots or pans. On the pot carriers, a food container can be positioned so that it is located directly above a gas burner 6 and can be heated with this.

Figur 2 zeigt den Standherd 1 von oben mit abgenommener Kochfeldplatte 7. Zu erkennen sind hier die sich normalerweise unter der Kochfeldplatte 7 befindenden Brennerunterteile 9 der Gasbrenner 6. Jeweils zwei Brennerunterteile 9 sind auf einem auch als Brennerbrücke bezeichneten tragenden Bauteil 8 befestigt, welches sich zwischen zwei Seitenwänden 10 des Standherds 1 erstreckt und an diesen Seitenwänden 10 befestigt ist. Erfindungsgemäß sind Leitungshalter 13 für elektrische Leitungen 12 direkt aus den tragenden Bauteilen 8 ausgeformt. Die Leitungshalter 13 definieren die Lage der elektrischen Leitungen 12, die zur Versorgung von an den Brennerunterteilen 9 angeordneten Zündelektroden 14 mit elektrischer Hochspannung dienen. Eine Elektronikeinheit 11, die insbesondere zur Steuerung der verschiedenen Funktionen des Backofens 3 dient, ist deutlich von den elektrischen Leitungen 12 beabstandet angeordnet. Auf diese Weise wird eine mögliche Störung oder Beschädigung der Elektronikeinheit 11 durch die von den elektrischen Leitungen 12 ausgehenden elektrischen und/oder magnetischen Strahlen sicher verhindert. FIG. 2 To recognize here are the normally under the cooktop plate 7 located burner bases 9 of the gas burner 6. In each case two burner bases 9 are mounted on a designated as burner bridge supporting member 8, which is located between two side walls 10 of the stander 1 extends and on these side walls 10 is attached. According to the invention, conductor holders 13 for electrical lines 12 are formed directly from the supporting components 8. The line holder 13 define the position of the electrical lines 12, which serve to supply to the burner lower parts 9 arranged ignition electrodes 14 with high voltage electrical. An electronics unit 11, which serves in particular for controlling the various functions of the oven 3, is arranged clearly spaced from the electrical lines 12. In this way, a possible disruption or damage of the electronic unit 11 is reliably prevented by the electrical and / or magnetic beams emanating from the electrical lines 12.

In Figur 3 ist ein Ausschnitt der Figur 2 mit einem Brennerunterteil 9 eines Gasbrenners 6 und einem erfindungsgemäßen Leitungshalter 13 dargestellt. Zu erkennen ist hier insbesondere die Anordnung des Leitungshalters 13 in dem tragenden Bauteil 8. Die mit dem Leitungshalter 13 geführte elektrische Leitung 12 ist an die Zündelektrode 14 angeschlossen. Weiter zu erkennen ist ein Thermoelement 15, mit dem eine Flamme am Gasbrenner 6 detektiert werden kann.In FIG. 3 is a part of the FIG. 2 shown with a burner lower part 9 of a gas burner 6 and a conductor holder 13 according to the invention. The arrangement of the line holder 13 in the supporting component 8 can be seen here in particular. The electrical line 12 guided with the line holder 13 is connected to the ignition electrode 14. Further to recognize is a thermocouple 15, with which a flame can be detected at the gas burner 6.

In Figur 4 ist ein nicht erfindungsgemäßer Leitungshalter 13 im Detail dargestellt. Erfindungsgemäß ist der Leitungshalter durch einen materialtrennenden Bearbeitungsschritt und durch einen materialverformenden Bearbeitungsschritt aus dem Metallblech des tragenden Bauteils 8 einstückig ausgeformt. Der materialtrennende Bearbeitungsschritt und der verformende Bearbeitungsschritt sind bei Verwendung geeigneter Werkzeuge zu einem einzigen Bearbeitungsschritt zusammengefasst.In FIG. 4 a non-inventive conductor holder 13 is shown in detail. According to the invention, the conductor holder is integrally formed by a material-separating processing step and by a material-deforming processing step from the metal sheet of the supporting component 8. The material-separating processing step and the deforming processing step are combined using suitable tools into a single processing step.

Der Leitungshalter 13 besteht aus einer aus dem Metallblech herausgetrennten Lasche 19, welche mit einer Seite mit dem Metallblech des tragenden Bauteils 8 verbunden bleibt. Die Lasche 19 ist bereichsweise aus der Ebene des Metallblechs nach oben herausgebogen. In einem hinteren Abschnitt 16 liegt die Lasche 19 in der Ebene des Metallblechs und geht in das tragende Bauteil 8 über. Ein mittlerer Abschnitt 17 der Lasche ist aus der Ebene des Metallblechs des tragenden Bauteils 8 herausgebogen. Der so zwischen dem mittleren Abschnitt 17 und der Ebene des Metallblechs des tragenden Bauteils 8 entstehende Abstand dient zur Aufnahme der elektrischen Leitung 12. Ein vorderer Abschnitt 18 der Lasche ist wieder nach unten, zur Ebene des Metallblechs des tragenden Bauteils 8 hin gebogen. Dies sichert die elektrische Leitung gegen Herausrutschen aus dem Leitungshalter 13.The line holder 13 consists of a separate out of the metal sheet tab 19, which remains connected to one side with the metal sheet of the supporting member 8. The tab 19 is partially bent out of the plane of the metal sheet upwards. In a rear section 16, the tab 19 lies in the plane of the metal sheet and merges into the supporting component 8. A middle portion 17 of the tab is bent out of the plane of the metal sheet of the supporting member 8. The resulting between the central portion 17 and the plane of the metal sheet of the supporting member 8 distance serves to receive the electrical line 12. A front portion 18 of the tab is back down, to Level of the metal sheet of the supporting member 8 bent out. This secures the electrical line against slipping out of the line holder 13.

Die Montage der elektrischen Leitung 12 in dem Leitungshalter 13 erfolgt in einfacher Weise dadurch, dass die elektrische Leitung 12 gemäß der Zeichnung von links nach rechts unter die Lasche 19 geschoben wird. Hierzu ist es erforderlich, die elektrische Leitung 12 geringfügig zu verformen. Ein Entfernen der elektrischen Leitung 12 aus dem Leitungshalter 13 erfordert eine erneute manuelle Verformung der elektrischen Leitung 12. Ein selbsttätiges Herausrutschen der elektrischen Leitung 12 aus dem Leitungshalter 13 ist damit sicher verhindert.The assembly of the electrical line 12 in the line holder 13 is effected in a simple manner in that the electrical line 12 is pushed according to the drawing from left to right under the tab 19. For this purpose, it is necessary to slightly deform the electrical line 12. Removal of the electrical line 12 from the line holder 13 requires a renewed manual deformation of the electrical line 12. An automatic slipping out of the electrical line 12 from the line holder 13 is thus reliably prevented.

Figur 5 zeigt einen Querschnitt durch einen nicht erfindungsgemäßen Leitungshalter 13 im Bereich des mittleren Abschnitts 17. Zu erkennen ist das Metallblech des tragenden Bauteils 8 sowie die daraus ausgeformte Lasche 19, welche im mittleren Abschnitt 17 gegenüber der Ebene des Metallblechs erhöht ist. FIG. 5 shows a cross section through a non-inventive line holder 13 in the region of the central portion 17. Evident is the metal sheet of the supporting member 8 and the formed therefrom tab 19, which is increased in the central portion 17 relative to the plane of the metal sheet.

Bei der Herstellung des Leitungshalters 13 wird der materialtrennende Bearbeitungsschritt derart ausgeführt, dass sich ein dabei an der Lasche 19 entstehende Grat 20 an der der elektrischen Leitung 12 abgewandten Oberseite der Lasche 19 befindet. Eine Beschädigung der elektrischen Leitung 12 durch den an der Lasche 19 befindlichen Grat 20 ist dadurch sowohl bei der Montage, als auch beim Transport oder während des Betriebs des Standherds 1 ausgeschlossen. Bei der Durchführung des trennenden Bearbeitungsschritts zur Herstellung der Lasche 19 ist weiter berücksichtigt, dass ein an der Oberseite des tragenden Bauteils 8 entstehender Grat 21 nicht zu der elektrischen Leitung 12 hin gerichtet ist. Dies wird dadurch erreicht, dass das Metallblech des tragenden Bauteils 8 vor der Durchführung des materialtrennenden Bearbeitungsschritts nach unten verformt wird.In the production of the line holder 13, the material-separating processing step is carried out such that a ridge 20 which thereby arises on the tab 19 is located on the upper side of the lug 19 facing away from the electrical line 12. Damage to the electrical line 12 through the ridge 20 located on the tab 19 is thereby excluded both during assembly, as well as during transport or during operation of the stander 1. When carrying out the separating processing step for producing the tab 19, it is further taken into consideration that a burr 21 emerging at the top side of the supporting component 8 is not directed toward the electric line 12. This is accomplished by deforming the metal sheet of the structural member 8 downwardly prior to performing the material separating processing step.

Figur 6 zeigt einen Querschnitt durch einen erfindungsgemäß ausgeführten Leitungshalter. Hierbei ist das Metallblech derart verformt, dass die Lasche 19a konkav gekrümmt ist, derart, dass die Kanten der Lasche 19a von der elektrischen Leitung 12 weg gebogen sind. Analog sind die der Lasche 19a zugewandten Kanten des tragenden Bauteils 8a in die entgegengesetzte Richtung, d.h. ebenfalls von der elektrischen Leitung weg gebogen. Auf diese Weise ist eine Beschädigung der elektrischen Leitung 12 durch bei der Herstellung an den Kanten möglicherweise entstehende Grate ebenfalls sicher verhindert. FIG. 6 shows a cross section through a inventively designed conductor holder. Here, the metal sheet is deformed such that the tab 19a is concavely curved such that the edges of the tab 19a are bent away from the electric wire 12. Similarly, the edges of the supporting member 8a facing the tab 19a are in the opposite direction, ie also bent away from the electrical lead. On In this way, damage to the electrical line 12 is also reliably prevented by burrs which may possibly occur at the edges during production.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
StandherdStandherd
22
Kochfeldhob
33
Backofenoven
44
Bedienelementecontrols
55
Anzeigeelementdisplay element
66
Gasbrennergas burner
77
KochfeldplatteHotplate
88th
tragendes Bauteilcarrying component
99
BrennerunterteilBurner base
1010
SeitenwandSide wall
1111
Elektronikeinheitelectronics unit
1212
elektrische Leitungenelectric lines
1313
LeitungshalterConductor holder
1414
Zündelektrodeignition electrode
1515
Thermoelementthermocouple
1616
hinterer Abschnittrear section
1717
mittlerer Abschnittmiddle section
1818
vorderer Abschnittfront section
1919
Lascheflap
2020
Gratridge
2121
Gratridge

Claims (10)

  1. Domestic appliance, in particular cooking appliance, preferably gas-heated cooking appliance, having at least one supporting component (8) made from sheet metal and at least one electrical cable (12) as well as at least one cable clip (13) for fixing the position of the electrical cable (12) on the supporting component (8), wherein the cable clip (13) is moulded in one piece and in the form of a tab (19) from the supporting component (8), wherein by means of a deforming processing step the tab (19) is formed, at least in regions, from the plane of the sheet metal, characterised in that a material-separating processing step for forming the tab (19a) is performed such that during the material-separating processing step the sheet metal is deformed such that at least one lateral edge of the tab (19) and at least one edge of the supporting component (8a) facing this edge of the tab (19a) are bent away from the electrical cable (12) in opposite directions with respect to one another.
  2. Domestic appliance according to claim 1, characterised in that the electrical cable (12) is provided to apply high voltage.
  3. Domestic appliance according to claim 1 or 2, characterised in that the domestic appliance has a hob (2) and the supporting component (8) is a part of the hob (2).
  4. Domestic appliance according to one of claims 1 to 3, characterised in that the domestic appliance has a gas burner (6) and the gas burner (6) is fastened on the supporting component (8).
  5. Domestic appliance according to one of claims 1 to 4, characterised in that the domestic appliance has a gas burner (6) and the electrical cable (12) is an ignition cable for the gas burner (6).
  6. Domestic appliance according to one of claims 1 to 5, characterised in that the cable clip (13) is formed from the sheet metal of the supporting component (8) by means of a material-separating processing step.
  7. Domestic appliance according to one of claims 1 to 6, characterised in that the material-separating processing step for forming the tab (19) from the sheet metal is carried out by means of a flash-forming method, for instance by means of stamping, and during the material-separating processing step the sheet metal is oriented such that a flash (20) appearing on the tab (19) is disposed on the side facing away from the electrical cable (12).
  8. Domestic appliance according to one of claims 1 to 7, characterised in that the material-separating processing step for forming the tab (19) from the sheet metal is carried out by means of a flash-forming method, for instance by means of stamping, and during the material-separating processing step the sheet metal is deformed such that a flash (21) appearing on the edge of the supporting component (8) facing the tab (19) is oriented such that the electrical cable (12) does not rest on the flash (21) when assembled.
  9. Domestic appliance according to one of claims 1 to 8, characterised in that the tab (19) has a rear segment (16), on which the tab (19) lies in the plane of the sheet metal of the supporting component (8) and passes into the supporting component (8), a middle segment (17), in which the tab (19) is arranged at a distance from the plane of the sheet metal of the supporting component (8), and a front segment (18), in which the tab (19) has a smaller distance from the plane of the sheet metal of the supporting component (8) than in the middle segment (17).
  10. Domestic appliance according to claim 9, characterised in that the electrical cable (12) is arranged in the region of the middle segment (17) of the tab (19), between the tab (19) and the plane of the sheet metal of the supporting component (8).
EP10187965.8A 2009-10-23 2010-10-19 Domestic appliance, in particular cooking device, with a cable clip Active EP2314926B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910045959 DE102009045959A1 (en) 2009-10-23 2009-10-23 Domestic appliance, in particular cooking appliance with a line holder

Publications (2)

Publication Number Publication Date
EP2314926A1 EP2314926A1 (en) 2011-04-27
EP2314926B1 true EP2314926B1 (en) 2017-04-19

Family

ID=43532831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10187965.8A Active EP2314926B1 (en) 2009-10-23 2010-10-19 Domestic appliance, in particular cooking device, with a cable clip

Country Status (2)

Country Link
EP (1) EP2314926B1 (en)
DE (1) DE102009045959A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197457A (en) * 1986-11-10 1988-05-18 Ti New World Ltd Cooking appliances
US5184792A (en) * 1991-10-15 1993-02-09 Minnesota Mining And Manufacturing Company Support clip for electrical cables
JPH109578A (en) * 1996-06-21 1998-01-16 Matsushita Electric Ind Co Ltd Gas combustion equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572154A (en) * 1984-05-11 1986-02-25 The Tappan Company Gas range
US4820189A (en) * 1987-12-17 1989-04-11 Amp Incorporated Method and apparatus for electrical wiring of structural assemblies
IT232516Y1 (en) * 1994-07-29 2000-01-10 Ramalplast S R L EQUIPPED BRUSH, FOR COVERING HOUSEHOLD APPLIANCES.
KR101013375B1 (en) * 2003-11-10 2011-02-14 삼성전자주식회사 Drum Type Washing Machine
DE102007052073B3 (en) * 2007-10-31 2009-02-26 BSH Bosch und Siemens Hausgeräte GmbH Household appliance e.g. washing machine, has contact unit electrically connected with ground cable, arranged at cable duct and staying in electrical contact with metallic contact plate through mounting movement of cable duct

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197457A (en) * 1986-11-10 1988-05-18 Ti New World Ltd Cooking appliances
US5184792A (en) * 1991-10-15 1993-02-09 Minnesota Mining And Manufacturing Company Support clip for electrical cables
JPH109578A (en) * 1996-06-21 1998-01-16 Matsushita Electric Ind Co Ltd Gas combustion equipment

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DE102009045959A1 (en) 2011-04-28

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