EP2778429B1 - Engine mount for a radial fan of a vapour extractor - Google Patents
Engine mount for a radial fan of a vapour extractor Download PDFInfo
- Publication number
- EP2778429B1 EP2778429B1 EP14156140.7A EP14156140A EP2778429B1 EP 2778429 B1 EP2778429 B1 EP 2778429B1 EP 14156140 A EP14156140 A EP 14156140A EP 2778429 B1 EP2778429 B1 EP 2778429B1
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- EP
- European Patent Office
- Prior art keywords
- motor
- fan
- cable
- section
- hook
- 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.)
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- 239000000725 suspension Substances 0.000 claims description 20
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/162—Double suction pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0693—Details or arrangements of the wiring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/424—Double entry casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
Definitions
- the present invention relates to a motor suspension for a blower motor of a radial fan of an extractor hood.
- the radial fan comprises a housing and an electric motor.
- the electric motor is held by means of a motor suspension to the housing.
- the engine mount comprises three support arms, which are each flanged to the housing. The support arms extend from their respective attachment portion on the housing into a fan wheel which surrounds the electric motor.
- a cable is connected to the motor. The cable is routed out of the housing along a support arm of the engine mount away from the engine. The cable is held by a clamp on the support arm.
- EP 1 094 224 A2 describes a radial fan, consisting of a fan housing and a fan assembly arranged therein with an electric motor and a rotating about a rotation fan, the fan housing - with respect to the axis of rotation - at least one axial air inlet opening and a radial or tangential Beerausblasö Anlagen Publishing.
- An object of the present invention is to securely fix a cable for a fan motor of a radial fan of an extractor hood and exclude a contact with a fan of the radial fan. Furthermore, the cable should be performed without strong kinks or loads. Furthermore, a simple installation of the cable is desirable.
- an engine mount for a blower motor of a radial blower of an extractor hood is provided with at least a first support arm.
- the first support arm has a hook and a groove for fixing a cable for the fan motor.
- the support arm with the hook and the groove can be produced as a one-piece component, in particular in a die-casting process or in any other primary molding process.
- the cable is securely fixed by the hook and the groove, so that contact with the fan can be excluded.
- the cable can be guided by means of the hook and the groove without strong kinks.
- the cable can be easily engaged with the hook and the groove, so that easy assembly is ensured.
- the cable may be a cable for powering the fan motor. Additionally or alternatively, the cable may apply control signals to the fan motor. It can also be more cables, especially a harness, are held by the hook and the groove.
- the cable may, for example, have a conductor and a surrounding insulation.
- the fan motor may be formed as an electronically commutated DC motor, which is also referred to as a brushless DC motor (BLDC) or EC motor.
- the fan motor can be arranged in a fan of the radial fan, which he drives.
- the blower motor is arranged, for example, both in the same direction of rotation and perpendicular to this seen in the fan.
- the first support arm has a first section for attachment to a housing of the radial fan receiving the fan motor and a second section for mounting the fan motor.
- the first section may be formed, for example, for screwing the same on the housing and for this purpose in particular have a screw hole.
- the second section can form a receptacle for holding the fan motor with second sections of further support arms.
- the second section may be bolted to the fan motor.
- the second portion may be connected to a stator of the fan motor and have a bearing for supporting a rotor relative to the stator.
- the engine mount can also be formed simultaneously as a bearing plate of the fan motor.
- the engine mount may be integrally formed, for example as an aluminum die-cast part.
- the first portion of the first support arm for flanging on the housing and / or the second portion for flanging the blower motor is formed thereon.
- the first section has the groove.
- the first portion has a side facing away from the housing in the mounted state of the engine mount, which comprises the groove.
- the groove is positioned so that it is easily accessible to the fitter. Additionally, pulling the cable rearwardly over the housing results in the cable being fixed in the groove.
- the side has two webs, which form the groove.
- the first support arm has, between the first and the second section, a third section which is adapted to extend into a fan wheel driven by the fan motor.
- the third section can extend axially into the fan wheel.
- the first section extends radially. "Axial” and “radial” refer in the present case to a rotational axis of the fan motor.
- At least one of the webs continues in an edge reinforcement of the first, second and / or third section. This provides an easy-to-manufacture structure that provides the desired functions of reinforcement and cable management.
- the second section has the hook. This results in the favorable positioning of the hook in the vicinity of the exit point of the cable from the blower motor with regard to a secure guidance of the cable.
- the engine mount comprises at least a second support arm and an outer side of the first support arm, which faces the second support arm and on which the hook is formed. Such a positioned hook is easy to make and easy to reach for the installation of the cable.
- respective directions along which the cable is engageable with the hook and groove perpendicular to its longitudinal direction form an angle between 60 ° and 160 ° with each other.
- the angle is between 85 ° and 95 °. This allows the cable to be well supported and easily guided out of the fan.
- a direction along which the cable is engageable with the hook perpendicularly to its longitudinal direction forms an angle between 70 ° and 90 ° with a rotational axis of the fan motor in the mounted state of the engine mount. This allows the cable to be easily engaged with the hook.
- the engine mount has exactly three support arms.
- the support arms may be formed asymmetrically with respect to a radial to the axis of rotation of the fan motor.
- the support arms may be formed such that the distance in the circumferential direction between the attachment points of the support arms on the housing is different.
- an extractor hood with a radial fan which comprises a fan motor and a housing.
- On the housing of the blower motor is fixed by means of the bearing plate described above.
- the blower further comprises a cable which is fixed by means of the hook and the groove, which describes a U-shape.
- the housing has a further hook for fixing the cable.
- the cable for example, can be returned to the outside of the housing in a U-shaped manner after passing through the groove and fixed there by means of the further hook.
- the cable is securely held in the groove.
- the groove may be designed in the form of a constriction, so that the cable clamped in this and thereby frictionally secured in the groove.
- Fig. 1 shows a perspective view of a partial extractor hood.
- the extractor hood 1 comprises a double-flow radial fan 2 to draw off vapors from a hotplate, not shown.
- the extractor hood 1 can be configured as recirculation or exhaust air device.
- the blower 2 comprises a blower motor 3, which, because in Fig. 1 hidden, dashed lines is shown.
- the fan motor 3 may be formed as an electronically commutated DC motor.
- the fan 2 further comprises a housing 4.
- the housing 4 may, as shown, be designed as a spiral housing.
- the housing 4 may be composed of two housing halves 5, 6, which are axially fastened to each other to form the housing 4.
- "Axial”, “radial” and “in the circumferential direction” always refer here to an axis of rotation 7 of a not-shown rotor of the fan motor 3.
- the rotor can be designed as an internal rotor.
- the blower 2 also has a fan 11, which is arranged in an axial opening 12 of the housing 4.
- the fan motor 3 is arranged within the fan wheel 11 both inside and radially, that is to say perpendicular to the axis of rotation 7.
- the blower motor 3 is coupled in a manner not shown with the fan 11 and drives it.
- the fan motor 3 is held within the fan 11 by means of a motor suspension 13, which also forms a bearing plate of the fan motor 3 at the same time.
- the blower motor 3 is flanged to the engine mount 13.
- the engine mount 13 is in turn flanged to the housing 4.
- FIG. 2 the engine mount 13 in a side view
- FIG. 3 a view III from FIG. 2
- FIG. 4 the engine mount 13 off FIG. 2 in a plan view
- FIG. 5 a cut VV off FIG. 4 shows.
- the engine mount 13 comprises three support arms 14, 15, 16.
- the support arms 14, 15, 16 each have a first section 17 and a second section 21, which are explained in more detail below merely with reference to the support arm 14.
- the first portion 17 is radially aligned and formed with a screw hole 22 to this at a radial edge 23 (see FIG. 1 ) of the housing 4, which limits the opening 12, to be fastened by means of a screw, not shown.
- the second sections 21 of the support arms 14, 15, 16 together form a receptacle 24 in which the fan motor 3 is mounted.
- the second portions 21 are fixedly connected to a not-shown stator of the blower motor 3 in the assembled state of the engine mount 13.
- the second sections 21 connect to a bearing cup 28, which receives a bearing for the rotor of the fan motor 3.
- a third section 25 extends between the first and second sections 17, 21.
- the third section 25 extends axially and adjoins the first section 17 via a curved section 26.
- the third portion 25 extends from the edge portion 23 into the fan 11 toward the fan motor third
- the first section 17 has a groove 27, which in the view III from FIG. 3 can be seen closer.
- the groove 27 is formed on one side of the first portion 17, which is denoted by 31 and facing away from the edge 23.
- two opposing webs 32, 33 are formed, which form the groove 27 between them.
- the web 32 in an edge reinforcement 34 of the first, second and third sections 17, 21, 25 of the support arm 14 continue.
- the edge reinforcement 34 is in FIG. 5 to recognize which the cut VV from FIG. 4 shows.
- the first support arm 14 has an S-shaped cross-section, wherein the one end forms the edge reinforcement 34.
- the web 33 extends only over a portion of the first portion 17 and does not continue in an edge reinforcement.
- the second section 21 comprises a hook 35 (see FIG. 4 ).
- the hook 35 is at an in FIG. 5 shown outer side 36 of the edge reinforcement 34 of the second portion 21 formed.
- only one support arm 14 has the groove 27 and the hook 35.
- the other support arms 15, 16 could also have a groove 27 and a hook 35.
- the engine mount 13 is for example as a one-piece component, which in particular includes the groove 27, the hook 35, the first, second and third sections 17, 21, 25 and the bearing cup 28, for example produced by die casting.
- the support arms 14, 15, 16 may be formed so that they with respect to a radial 37 (by way of example by the support arm 14 in FIG FIG. 4 explained) are not symmetrical. Furthermore, the support arms 14, 15, 16 may be uneven. For example, the shape of the support arm 16 deviates from that of the support arms 14 and 15. Further, the screw holes 22 may be unequally spaced from each other in the circumferential direction (relative to the longitudinal axis 7), as in FIG FIG. 4 to recognize.
- the radial fan 2 comprises a cable 41 which is connected at its one end 42 to the blower motor 3 in order to supply it with electrical energy and optionally to apply control signals.
- the cable 41 is fixed in the hook 35 and in the groove 27. Furthermore, the cable can be U-shaped around the edge 23 and thus in FIG. 1 led back to another hook 43 and fixed to the hook 43.
- the hook 43 is arranged axially centrally on a lateral surface 45 of the housing halves 4, 5.
- the cable 41 may, for example, in a direction 44 (see FIG. 4 ) are brought into engagement with the hook 35 perpendicular to the longitudinal direction of the cable 41.
- the direction 44 is oriented parallel to the radial 37, thus forms an angle of 90 ° with the axis of rotation. 7
- the groove 27 could also be formed in the form of a constriction, so that the cable 41 is clamped in the constriction and thereby frictionally held in the groove 27.
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Description
Die vorliegende Erfindung betrifft eine Motoraufhängung für einen Gebläsemotor eines Radialgebläses einer Dunstabzugshaube.The present invention relates to a motor suspension for a blower motor of a radial fan of an extractor hood.
Beispielsweise beschreibt die
Eine Aufgabe der vorliegenden Erfindung besteht darin, ein Kabel für einen Gebläsemotor eines Radialgebläses einer Dunstabzugshaube sicher zu fixieren und eine Berührung mit einem Lüfterrad des Radialgebläses auszuschließen. Weiterhin soll das Kabel ohne starke Knicke oder Belastungen geführt werden. Ferner ist eine einfache Montage des Kabels wünschenswert.An object of the present invention is to securely fix a cable for a fan motor of a radial fan of an extractor hood and exclude a contact with a fan of the radial fan. Furthermore, the cable should be performed without strong kinks or loads. Furthermore, a simple installation of the cable is desirable.
Demgemäß wird eine Motoraufhängung für einen Gebläsemotor eines Radialgebläses einer Dunstabzugshaube mit zumindest einem ersten Tragarm bereitgestellt. Der erste Tragarm weist zur Fixierung eines Kabels für den Gebläsemotor einen Haken und eine Nut auf.Accordingly, an engine mount for a blower motor of a radial blower of an extractor hood is provided with at least a first support arm. The first support arm has a hook and a groove for fixing a cable for the fan motor.
Somit brauchen keine zusätzlichen Befestigungsmittel, wie beispielsweise die einleitend beschriebene Klemme, vorgesehen werden. Außerdem lässt sich eine solche Motoraufhängung einfach herstellen. Beispielsweise kann der Tragarm mit dem Haken und der Nut als einstückiges Bauteil insbesondere in einem Druckgussverfahren oder in einem sonstigen Urformverfahren hergestellt werden. Das Kabel wird durch den Haken und die Nut sicher fixiert, so dass eine Berührung mit dem Lüfterrad ausgeschlossen werden kann. Weiterhin lässt sich das Kabel mittels des Hakens und der Nut ohne starke Knicke führen. Ferner lässt sich das Kabel einfach mit dem Haken und der Nut in Eingriff bringen, so dass eine einfache Montage sichergestellt ist.Thus, no additional fastening means, such as the clamp described in the introduction, need to be provided. In addition, such an engine mount can be easily manufactured. For example, the support arm with the hook and the groove can be produced as a one-piece component, in particular in a die-casting process or in any other primary molding process. The cable is securely fixed by the hook and the groove, so that contact with the fan can be excluded. Furthermore, the cable can be guided by means of the hook and the groove without strong kinks. Furthermore, the cable can be easily engaged with the hook and the groove, so that easy assembly is ensured.
Bei dem Kabel kann es sich beispielsweise um ein Kabel zur Energieversorgung des Gebläsemotors handeln. Zusätzlich oder alternativ kann das Kabel den Gebläsemotor mit Steuersignalen beaufschlagen. Es können auch mehrere Kabel, insbesondere ein Kabelstrang, von dem Haken und der Nut gehalten werden. Das Kabel kann beispielsweise einen Leiter sowie eine diesen umgebende Isolierung aufweisen.For example, the cable may be a cable for powering the fan motor. Additionally or alternatively, the cable may apply control signals to the fan motor. It can also be more cables, especially a harness, are held by the hook and the groove. The cable may, for example, have a conductor and a surrounding insulation.
Der Gebläsemotor kann als elektronisch kommutierter Gleichstrommotor ausgebildet sein, welcher auch als bürstenloser Gleichstrommotor (BLDC) oder EC-Motor bezeichnet wird. Der Gebläsemotor kann in einem Lüfterrad des Radialgebläses angeordnet sein, welches er antreibt. Der Gebläsemotor ist beispielsweise sowohl in Drehrichtung desselben als auch senkrecht zu dieser gesehen in dem Lüfterrad angeordnet.The fan motor may be formed as an electronically commutated DC motor, which is also referred to as a brushless DC motor (BLDC) or EC motor. The fan motor can be arranged in a fan of the radial fan, which he drives. The blower motor is arranged, for example, both in the same direction of rotation and perpendicular to this seen in the fan.
In einer Ausführungsform weist der erste Tragarm einen ersten Abschnitt zur Befestigung an einem den Gebläsemotor aufnehmenden Gehäuse des Radialgebläses und einen zweiten Abschnitt zur Halterung des Gebläsemotors auf. Der erste Abschnitt kann beispielsweise für ein Anschrauben desselben an dem Gehäuse ausgebildet sein und hierzu insbesondere ein Schraubenloch aufweisen. Der zweite Abschnitt kann mit zweiten Abschnitten weiterer Tragarme eine Aufnahme zur Halterung des Gebläsemotors ausbilden. Der zweite Abschnitt kann mit dem Gebläsemotor verschraubt sein. Insbesondere kann der zweite Abschnitt mit einem Stator des Gebläsemotors verbunden sein und ein Lager zur Lagerung eines Rotors gegenüber dem Stator aufweisen. Mit anderen Worten kann die Motoraufhängung auch gleichzeitig als Lagerschild des Gebläsemotors ausgebildet sein. Die Motoraufhängung kann einstückig, beispielsweise als Aluminium-Druckgussteil ausgebildet sein.In one embodiment, the first support arm has a first section for attachment to a housing of the radial fan receiving the fan motor and a second section for mounting the fan motor. The first section may be formed, for example, for screwing the same on the housing and for this purpose in particular have a screw hole. The second section can form a receptacle for holding the fan motor with second sections of further support arms. The second section may be bolted to the fan motor. In particular, the second portion may be connected to a stator of the fan motor and have a bearing for supporting a rotor relative to the stator. In other words, the engine mount can also be formed simultaneously as a bearing plate of the fan motor. The engine mount may be integrally formed, for example as an aluminum die-cast part.
Gemäß einer weiteren Ausführungsform ist der erste Abschnitt des ersten Tragarms für ein Anflanschen an dem Gehäuse und/oder der zweite Abschnitt für ein Anflanschen des Gebläsemotors an diesem ausgebildet. Hierdurch wird eine einfache Montage gewährleistet.According to a further embodiment, the first portion of the first support arm for flanging on the housing and / or the second portion for flanging the blower motor is formed thereon. As a result, a simple installation is guaranteed.
In einer weiteren Ausführungsform weist der erste Abschnitt die Nut auf. Dadurch kann das Kabel im Bereich.der Stelle geführt werden, an welcher es aus dem Lüfterrad heraustritt und so über einen das Lüfterrad umgebenden Randbereich des Gehäuses geführt werden.In a further embodiment, the first section has the groove. As a result, the cable can be guided in the area where it emerges from the fan wheel and thus guided over an edge region of the housing surrounding the fan wheel.
Gemäß einer weiteren Ausführungsform weist der erste Abschnitt eine im montierten Zustand der Motoraufhängung von dem Gehäuse abgewandte Seite auf, welche die Nut umfasst. Dadurch ist die Nut derart positioniert, dass sie für den Monteur einfach erreichbar ist. Außerdem führt so ein Ziehen des Kabels nach hinten über das Gehäuse dazu, dass das Kabel in der Nut fixiert ist.According to a further embodiment, the first portion has a side facing away from the housing in the mounted state of the engine mount, which comprises the groove. As a result, the groove is positioned so that it is easily accessible to the fitter. Additionally, pulling the cable rearwardly over the housing results in the cable being fixed in the groove.
Gemäß einer weiteren Ausführungsform weist die Seite zwei Stege auf, welche die Nut bilden.According to a further embodiment, the side has two webs, which form the groove.
Gemäß einer weiteren Ausführungsform weist der erste Tragarm zwischen dem ersten und dem zweiten Abschnitt einen dritten Abschnitt auf, welcher dazu eingerichtet ist, sich in ein von dem Gebläsemotor angetriebenes Lüfterrad hineinzuerstrecken. Der dritte Abschnitt kann sich axial in das Lüfterrad hineinerstrecken. Der erste Abschnitt erstreckt sich dagegen radial. "Axial" und "radial" beziehen sich vorliegend auf eine Drehachse des Gebläsemotors.According to a further embodiment, the first support arm has, between the first and the second section, a third section which is adapted to extend into a fan wheel driven by the fan motor. The third section can extend axially into the fan wheel. The first section, however, extends radially. "Axial" and "radial" refer in the present case to a rotational axis of the fan motor.
Gemäß einer weiteren Ausführungsform setzt sich zumindest einer der Stege in einer Randverstärkung des ersten, zweiten und/oder dritten Abschnitts fort. Dadurch wird ein einfach herzustellender Aufbau, welcher die gewünschten Funktionen Verstärkung und Kabelführung bereitstellt, geschaffen.According to a further embodiment, at least one of the webs continues in an edge reinforcement of the first, second and / or third section. This provides an easy-to-manufacture structure that provides the desired functions of reinforcement and cable management.
Gemäß einer weiteren Ausführungsform weist der zweite Abschnitt den Haken auf. Dadurch ergibt sich die im Hinblick auf eine sichere Führung des Kabels günstige Positionierung des Hakens in der Nähe der Austrittsstelle des Kabels aus dem Gebläsemotor.According to a further embodiment, the second section has the hook. This results in the favorable positioning of the hook in the vicinity of the exit point of the cable from the blower motor with regard to a secure guidance of the cable.
Die Motoraufhängung umfasst zumindest einen zweiten Tragarm und eine Außenseite des ersten Tragarms, welche dem zweiten Tragarm zugewandt ist und an welcher der Haken angeformt ist. Ein derart positionierter Haken ist gut herzustellen und einfach für die Montage des Kabels erreichbar.The engine mount comprises at least a second support arm and an outer side of the first support arm, which faces the second support arm and on which the hook is formed. Such a positioned hook is easy to make and easy to reach for the installation of the cable.
Gemäß einer weiteren Ausführungsform bilden jeweilige Richtungen, entlang derer das Kabel senkrecht zu dessen Längsrichtung mit dem Haken und der Nut in Eingriff bringbar ist, einen Winkel zwischen 60° und 160° miteinander. Bevorzugt beträgt der Winkel zwischen 85° und 95°. Dadurch kann das Kabel gut gehaltert und einfach aus dem Lüfterrad herausgeführt werden.According to another embodiment, respective directions along which the cable is engageable with the hook and groove perpendicular to its longitudinal direction form an angle between 60 ° and 160 ° with each other. Preferably, the angle is between 85 ° and 95 °. This allows the cable to be well supported and easily guided out of the fan.
Gemäß einer weiteren Ausführungsform bildet eine Richtung, entlang derer das Kabel senkrecht zu dessen Längsrichtung mit dem Haken in Eingriff bringbar ist, einen Winkel zwischen 70° und 90° mit einer Drehachse des Gebläsemotors im montierten Zustand der Motoraufhängung. Dadurch kann das Kabel einfach mit dem Haken in Eingriff gebracht werden.According to another embodiment, a direction along which the cable is engageable with the hook perpendicularly to its longitudinal direction forms an angle between 70 ° and 90 ° with a rotational axis of the fan motor in the mounted state of the engine mount. This allows the cable to be easily engaged with the hook.
Gemäß einer weiteren Ausführungsform weist die Motoraufhängung genau drei Tragarme auf. Die Tragarme können bezüglich einer Radialen zur Drehachse des Gebläsemotors unsymmetrisch ausgebildet sein. Weiterhin können die Tragarme derart ausgebildet sein, dass der Abstand in Umfangsrichtung zwischen den Befestigungspunkten der Tragarme an dem Gehäuse unterschiedlich ist.According to a further embodiment, the engine mount has exactly three support arms. The support arms may be formed asymmetrically with respect to a radial to the axis of rotation of the fan motor. Furthermore, the support arms may be formed such that the distance in the circumferential direction between the attachment points of the support arms on the housing is different.
Weiterhin wird eine Dunstabzugshaube mit einem Radialgebläse vorgeschlagen, welches einen Gebläsemotor und ein Gehäuse umfasst. An dem Gehäuse ist der Gebläsemotor mittels des vorstehend beschriebenen Lagerschilds befestigt. Das Gebläse umfasst weiterhin ein Kabel, welches mittels des Hakens und der Nut fixiert ist, wobei es eine U-Form beschreibt.Furthermore, an extractor hood with a radial fan is proposed which comprises a fan motor and a housing. On the housing of the blower motor is fixed by means of the bearing plate described above. The blower further comprises a cable which is fixed by means of the hook and the groove, which describes a U-shape.
Gemäß einer Ausführungsform weist das Gehäuse einen weiteren Haken zur Fixierung des Kabels auf. Dadurch kann das Kabel beispielsweise nach Passieren der Nut U-förmig an der Außenseite des Gehäuses zurückgeführt und dort mittels des weiteren Hakens fixiert werden. Somit wird das Kabel sicher in der Nut gehalten.According to one embodiment, the housing has a further hook for fixing the cable. As a result, the cable, for example, can be returned to the outside of the housing in a U-shaped manner after passing through the groove and fixed there by means of the further hook. Thus, the cable is securely held in the groove.
Die Nut kann in Form einer Engstelle ausgeführt sein, so dass das Kabel in dieser geklemmt und dadurch in der Nut reibschlüssig befestigt wird.The groove may be designed in the form of a constriction, so that the cable clamped in this and thereby frictionally secured in the groove.
Weitere mögliche Implementierungen der Erfindung umfassen auch nicht explizit genannte Kombinationen von zuvor oder im Folgenden bezüglich der Ausführungsbeispiele beschriebenen Merkmale oder Ausführungsformen der Motoraufhängung oder der Dunstabzugshaube. Dabei wird der Fachmann auch Einzelaspekte als Verbesserungen oder Ergänzungen zu der jeweiligen Grundform der Erfindung hinzufügen oder abändern.Further possible implementations of the invention also include not explicitly mentioned combinations of features or embodiments of the engine mount or the extractor hood described above or below with respect to the exemplary embodiments. The skilled person will also add or modify individual aspects as improvements or additions to the respective basic form of the invention.
Weitere vorteilhafte Ausgestaltungen und Aspekte der Erfindung sind Gegenstand der Unteransprüche sowie der im Folgenden beschriebenen Ausführungsbeispiele der Erfindung. Im Weiteren wird die Erfindung anhand von bevorzugten Ausführungsformen unter Bezugnahme auf die beigelegten Figuren näher erläutert.Further advantageous embodiments and aspects of the invention are the subject of the dependent claims and the embodiments of the invention described below. Furthermore, the invention will be explained in more detail by means of preferred embodiments with reference to the attached figures.
Es zeigt dabei:
-
Fig. 1 : in einer perspektivischen Ansicht ausschnittsweise eine Dunstabzugshaube; -
Fig. 2 : in einer Seitenansicht einen Lagerschild ausFig. 1 ; -
Fig. 3 : eine Ansicht III ausFig. 2 ; -
Fig. 4 : den Lagerschild ausFig. 2 in einer Draufsicht; und -
Fig. 5 : einen Schnitt V-V ausFig. 4 .
-
Fig. 1 : In a perspective view, a partial extractor hood; -
Fig. 2 : in a side view of a bearing plateFig. 1 ; -
Fig. 3 : a view III offFig. 2 ; -
Fig. 4 : the end shieldFig. 2 in a plan view; and -
Fig. 5 : a cut VV offFig. 4 ,
In den Figuren sind gleiche oder funktionsgleiche Elemente mit denselben Bezugszeichen versehen worden, sofern nichts anderes angegeben ist.In the figures, the same or functionally identical elements have been given the same reference numerals, unless stated otherwise.
Die Dunstabzugshaube 1 umfasst ein doppelflutiges Radialgebläse 2, um Wrasen von einer nicht dargestellten Kochstelle abzusaugen. Die Dunstabzugshaube 1 kann dabei als Umluft- oder Abluftgerät konfiguriert sein.The extractor hood 1 comprises a double-flow
Das Gebläse 2 umfasst einen Gebläsemotor 3, welcher, weil in
Das Gebläse 2 umfasst ferner ein Gehäuse 4. Das Gehäuse 4 kann, wie dargestellt, als Spiralgehäuse ausgeführt sein. Das Gehäuse 4 kann sich aus zwei Gehäusehälften 5, 6 zusammensetzen, die axial zum Bilden des Gehäuses 4 aneinander befestigbar sind. "Axial", "radial" und "in Umfangsrichtung" beziehen sich hier immer auf eine Drehachse 7 eines nicht-gezeigten Rotors des Gebläsemotors 3. Der Rotor kann als Innenläufer ausgebildet sein.The
Das Gebläse 2 weist ferner ein Lüfterrad 11 auf, welches in einer axialen Öffnung 12 des Gehäuses 4 angeordnet ist.The
Der Gebläsemotor 3 ist sowohl in axialer Richtung gesehen innerhalb als auch radial, also senkrecht zur Drehachse 7 gesehen, innerhalb des Lüfterrads 11 angeordnet. Der Gebläsemotor 3 ist in nicht dargestellter Weise mit dem Lüfterrad 11 gekoppelt und treibt dieses an.As seen in the axial direction, the
Der Gebläsemotor 3 wird innerhalb des Lüfterrads 11 mittels einer Motoraufhängung 13 gehalten, welche gleichzeitig auch einen Lagerschild des Gebläsemotors 3 ausbildet. Dazu ist der Gebläsemotor 3 an der Motoraufhängung 13 angeflanscht. Die Motoraufhängung 13 ist wiederum an dem Gehäuse 4 angeflanscht.The
Der Aufbau der Motoraufhängung 13 wird nachfolgend anhand der
Die Motoraufhängung 13 umfasst drei Tragarme 14, 15, 16. Die Tragarme 14, 15, 16 weisen jeweils - nachfolgend lediglich anhand des Tragarms 14 näher erläutert - einen ersten Abschnitt 17 und einen zweiten Abschnitt 21 auf.The
Der erste Abschnitt 17 ist radial ausgerichtet und mit einem Schraubenloch 22 gebildet, um diesen an einem radialen Rand 23 (siehe
Die zweiten Abschnitte 21 der Tragarme 14, 15, 16 bilden gemeinsam eine Aufnahme 24, in welcher der Gebläsemotor 3 gehaltert ist. Die zweiten Abschnitte 21 sind im montierten Zustand der Motoraufhängung 13 fest mit einem nicht-gezeigten Stator des Gebläsemotors 3 verbunden. Die zweiten Abschnitte 21 schließen an einen Lagertopf 28 an, welcher ein Lager für den Rotor des Gebläsemotors 3 aufnimmt. Zwischen dem ersten und zweiten Abschnitt 17, 21 erstreckt sich ein dritter Abschnitt 25. Der dritte Abschnitt 25 erstreckt sich axial und schließt über einen gekrümmten Abschnitt 26 an den ersten Abschnitt 17 an. Somit reicht der dritte Abschnitt 25 von dem Randbereich 23 hinein in das Lüfterrad 11 hin zu dem Gebläsemotor 3.The
Der erste Abschnitt 17 weist eine Nut 27 auf, welche in der Ansicht III aus
Der zweite Abschnitt 21 umfasst einen Haken 35 (siehe
Gemäß dem vorliegenden Ausführungsbeispiel weist lediglich der eine Tragarm 14 die Nut 27 und den Haken 35 auf. In anderen Ausführungsformen könnten auch die anderen Tragarme 15, 16 eine Nut 27 und einen Haken 35 aufweisen.According to the present embodiment, only one
Die Motoraufhängung 13 ist beispielsweise als einstückiges Bauteil, welches insbesondere die Nut 27, den Haken 35, den ersten, zweiten und dritten Abschnitt 17, 21, 25 sowie den Lagertopf 28 umfasst, beispielsweise im Druckgussverfahren hergestellt.The
Die Tragarme 14, 15, 16 können so ausgebildet sein, dass sie bezüglich einer Radialen 37 (beispielhaft anhand von dem Tragarm 14 in
Zurückkehrend zu
Das Kabel 41 kann beispielsweise in einer Richtung 44 (siehe
Das in Eingriffbringen des Kabels 41 mit der Nut 27 erfolgt in axialer Richtung senkrecht zur Längsachse des Kabels 41.The engagement of the
Die Nut 27 könnte auch in Form einer Engstelle ausgebildet sein, so dass das Kabel 41 in der Engstelle geklemmt und dadurch reibschlüssig in der Nut 27 gehalten wird.The
Obwohl die vorliegende Erfindung anhand von Ausführungsbeispielen beschrieben wurde, ist sie vielfältig modifizierbar.Although the present invention has been described with reference to embodiments, it is variously modifiable.
- 11
- DunstabzugshaubeHood
- 22
- Radialgebläsecentrifugal blower
- 33
- Gebläsemotorblower motor
- 44
- Gehäusecasing
- 55
- Gehäusehälftehousing half
- 66
- Gehäusehälftehousing half
- 77
- Längsachselongitudinal axis
- 1111
- Lüfterradfan
- 1212
- Öffnungopening
- 1313
- Lagerschildend shield
- 1414
- TragarmBeam
- 1515
- TragarmBeam
- 1616
- TragarmBeam
- 1717
- erster Abschnittfirst section
- 2121
- zweiter Abschnittsecond part
- 2222
- Schraublochscrew
- 2323
- Randedge
- 2424
- Aufnahmeadmission
- 2525
- dritter Abschnittthird section
- 2626
- gekrümmter Abschnittcurved section
- 2727
- Nutgroove
- 2828
- Lagertopfbearing cup
- 3131
- Seitepage
- 3232
- Stegweb
- 3333
- Stegweb
- 3434
- Randverstärkungedge reinforcement
- 3535
- Hakenhook
- 3636
- Außenseiteoutside
- 3737
- Radialeradial
- 4141
- Kabelelectric wire
- 4242
- EndeThe End
- 4343
- Hakenhook
- 4444
- Richtungdirection
- 4545
- Mantelflächelateral surface
Claims (14)
- Motor suspension (13) for a fan motor (3) of a radial fan (2) of an extraction hood (1), with at least one first support arm (14), which has a hook (35) and a groove (27) for fixing a cable (41) for the fan motor (3), and at least one second support arm (15, 16), characterised in that the first support arm (14) comprises an outer side (36) which is facing towards the second support arm (15) and on which the hook (35) is moulded.
- Motor suspension according to claim 1, characterised in that the first support arm (14) has a first section (17) for fastening to the a housing (4) of the radial fan (2) accommodating the fan motor (3) and a second section (21) for retaining the fan motor (3).
- Motor suspension according to claim 2, characterised in that the first section (17) of the first support arm (14) is embodied for flanging onto the housing (4) and/or the second section (21) is embodied for flanging the fan motor (3) thereto.
- Motor suspension according to claim 2 or 3, characterised in that the first section (17) has the groove (27).
- Motor suspension according to claim 4, characterised in that the first section (17), in the mounted state of the motor suspension (13), has a side (31) facing away from the housing (4), which side (31) comprises the groove (27).
- Motor suspension according to claim 5, characterised in that the side (31) has two bars (32, 33) which form the groove (27).
- Motor suspension according to one of claims 2 - 6, characterised in that the first support arm (14) has a third section (25) between the first and second section (17, 21), which is designed to extend into a fanwheel (11) driven by the fan motor (3).
- Motor suspension according to claim 6 or 7, characterised in that at least one of the bars (32) continues in an edge reinforcement (34) of the first, second and/or third section (17, 21,25).
- Motor suspension according to one of claims 2 - 8, characterised in that the second section (21) has the hook (35).
- Motor suspension according to one of claims 1 - 9, characterised in that the respective directions, along which the cable (41) can be brought into engagement with the hook (35) and the groove (27) perpendicularly to the longitudinal direction of said cable (41), form an angle between one another of between 60° and 160° .
- Motor suspension according to one of claims 1 - 10, characterised in that a direction, along which the cable (41) can be brought into engagement with the hook (35) perpendicularly to the longitudinal direction of said cable (41), forms an angle between 70° and 90° with an axis of rotation (7) of the fan motor (3) in the mounted state of the motor suspension (13).
- Motor suspension according to one of claims 1 - 11, characterised by precisely three support arms (14, 15, 16).
- Extractor hood (1) with a radial fan (2) with a fan motor (3), a housing (4) and a motor suspension (13) according to one of claims 1 - 12, wherein the fan motor (3) is fastened to the housing (4) by means of the motor suspension (13), wherein a cable (41) for the fan motor (3) is fixed by means of the hook (35) and the groove (27) of the motor suspension (13).
- Extractor hood according to claim 13, characterised in that the housing (4) has a further hook (43) for fixing the cable (41).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013204136.5A DE102013204136A1 (en) | 2013-03-11 | 2013-03-11 | Motor suspension for a blower motor of a radial fan of an extractor hood |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2778429A1 EP2778429A1 (en) | 2014-09-17 |
EP2778429B1 true EP2778429B1 (en) | 2016-10-19 |
Family
ID=50159080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14156140.7A Active EP2778429B1 (en) | 2013-03-11 | 2014-02-21 | Engine mount for a radial fan of a vapour extractor |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2778429B1 (en) |
DE (1) | DE102013204136A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017112983A1 (en) * | 2017-06-13 | 2018-12-13 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Blower housing part with bearing support and blower |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2661894A (en) * | 1951-05-31 | 1953-12-08 | Torrington Mfg Company Western | Blower wheel and supporting and driving means therefor |
US2936947A (en) * | 1956-11-27 | 1960-05-17 | Gen Electric | Motor mounting arrangement |
DE9016767U1 (en) | 1990-12-12 | 1991-02-28 | Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen | Extractor hood |
DE19841762C2 (en) * | 1998-09-11 | 2002-07-18 | Ebm Werke Gmbh & Co Kg | Blower housing and radial blower |
DE29819962U1 (en) * | 1998-11-09 | 2000-03-23 | Mulfingen Elektrobau Ebm | Radial blower with connector |
DE19950245C1 (en) * | 1999-10-19 | 2001-05-10 | Ebm Werke Gmbh & Co Kg | Radial fan |
EP2365224B1 (en) * | 2010-03-11 | 2018-04-04 | Elica S.p.A. | Radial conveyor for suction hoods |
-
2013
- 2013-03-11 DE DE102013204136.5A patent/DE102013204136A1/en not_active Withdrawn
-
2014
- 2014-02-21 EP EP14156140.7A patent/EP2778429B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2778429A1 (en) | 2014-09-17 |
DE102013204136A1 (en) | 2014-09-11 |
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