EP1726556B1 - Elevator system comprising a device for noise reduction - Google Patents
Elevator system comprising a device for noise reduction Download PDFInfo
- Publication number
- EP1726556B1 EP1726556B1 EP06113958A EP06113958A EP1726556B1 EP 1726556 B1 EP1726556 B1 EP 1726556B1 EP 06113958 A EP06113958 A EP 06113958A EP 06113958 A EP06113958 A EP 06113958A EP 1726556 B1 EP1726556 B1 EP 1726556B1
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- European Patent Office
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- installation according
- apron
- cage
- sound
- lift installation
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
- B66B13/28—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between car or cage and wells
- B66B13/285—Toe guards or apron devices
Definitions
- the invention relates to an elevator installation with an elevator car which moves in a lift shaft with shaft doors, wherein the elevator car has at least one cabin apron and in the area of the cabin apron there is a device for reducing noise, which arises as a result of an air flow occurring between the shaft wall and the cabin apron ,
- Cabin aprons are plate-shaped elements that extend in the area of the door-side front of an elevator car typically by about one meter in length from the bottom of the elevator car downwards or from the top of the elevator car upwards. On the one hand, they serve to protect the toes of passengers against pinching between the cabin door and the landing door threshold if the elevator car has not stopped exactly at floor level. On the other hand, they prevent the fall of passengers in the elevator shaft when they are evacuated from a blocked elevator car, while the car sill is located substantially above the floor of the floor. In the case of fast-moving elevator cars, the cabin aprons also have the task of bringing about a laminar course of the air flow between the front of the elevator car and the shaft door-side wall of the elevator shaft.
- JP2001316060 causes high costs for the provision of the required components.
- their installation is complex and requires special knowledge of installation and maintenance personnel.
- such a complex electronic-acoustic system always forms a source of interference.
- JP-A-11011838 discloses an elevator car having a cab apron arranged substantially parallel to the plane of a shaft door-side shaft wall, with means for reducing noise occurring in the area of the cabin apron.
- This noise-reducing device consists in a streamlined Windleithaube, which adjoins the cabin skirt and bulges over the entire bottom of the cabin floor.
- Windleithauben for the purpose of noise reduction is associated with high costs and with the impairment of maintenance on the elevator car, and the measure requires a deeper shaft pit, so that the prescribed shelter is still feasible.
- JP-A-2001106460 discloses an elevator car with a cabin apron, the shaft wall or the shaft door sill facing side is provided with Heilableitkanälen to defuse the above-described problem with the air flow noise.
- the solution presented has the disadvantage that the shaft door opposite side of the cabin skirt does not form a flat surface, so that there is a risk in certain situations that toes or fingers of a maintenance person or a passenger between shaft door threshold and a side wall of Lucasableitkanals be clamped.
- the invention has for its object to propose an elevator system of the type mentioned, which does not have the mentioned disadvantages of the cited as prior art devices.
- a device is to be created to an elevator car with a cabin apron, with which the wind noise generated by the air flow between the cabin apron and the opposite shaft wall containing the shaft wall can be reduced by simple means, cost and reliable.
- the object is achieved in that, in the case of an elevator installation with an elevator car which has at least one cabin apron, a device is provided which comprises sound-absorbing means mounted in the region of the cabin apron for reducing noises arising in the region of the cabin apron.
- the sound absorption layer is arranged parallel to the main plane of the cabin apron.
- the main plane is the plane of the cabin apron facing the door-side shaft wall, which is parallel to the door-side shaft wall or door-side front of the elevator car and is aligned with the front edge of the car door sill.
- the invention is therefore based on the idea, the Engstehung and the transmission of wind noise in the Travel of the elevator car by the occurring between the front of the elevator car with the cabin skirt and the opposite shaft wall air flow are generated to attenuate by means mounted in the cabin apron, sound-absorbing means. This is to avoid that the wind noise unhindered reach the passenger compartment of the elevator car or spread in the elevator shaft.
- the advantages achieved by the invention are essentially to be seen in the fact that the attenuation of the wind noise generated in the cabin apron is achieved with low-cost means, and that for the installation and maintenance of these funds little effort and no specially trained personnel is required.
- the proposed device does not increase the risk of malfunction, since no sensors, sounder and / or electronic circuits and wiring are required.
- FIG. 1 a part of an elevator system according to the invention is shown, which comprises the shaft wall 3 of an elevator shaft 4 containing the shaft doors 2 and an elevator cage 5 with a car door 6 present in the elevator shaft 4.
- 6.1, the cabin door leaves and 6.2, the drive unit of the car door 6 is designated.
- At the elevator car 5 are each a lower and an upper sound-absorbing cabin apron 8, 9 rigidly secured.
- the shaft wall 3 facing levels of cabin skirts are referred to as the main level 8.1, 9.1.
- the main levels 8.1, 9.1 of the lower and the upper cabin skirts 8, 9 are parallel to the door-side shaft wall 3 and the door-side front of the elevator car 5 and in alignment with a front edge 10.1 of a door sill 10 of the elevator car arranged, wherein the lower cabin skirt 8 from the door sill 10 by about one meter in length vertically downwards and the upper cabin skirt 9 extend vertically upward from the upper end of the car door 6.
- Fig. 1 the door-side shaft wall 3 between two shaft doors 2 is covered by sound-absorbing means in the form of shaft door aprons 15.
- sound-absorbing shaft door aprons 15 advantageously extend over the entire area between two shaft doors 2.
- they may also have only a limited height, for example the height of a bay door apron in accordance with the regulations.
- Fig. 2 shows a seen from a hoistway door 2 view of the door-side front of the elevator car 5.
- the car door 6 which includes two door 6.1 and a door drive unit 6.2, the threshold 10 and the main levels 8.1, 9.1 of the lower
- the width B of the cabin skirts corresponds substantially to the width of the elevator car 5. Due to different ratios between cabin width and shaft width, as well as different maximum speeds of the elevator car, the width BS of the cabin apron of the width BK the lift car can deviate 20% downwards or upwards.
- Fig. 3 shows a possible variant of the attachment of a cabin skirt 8 with a sound absorption layer 8.3.
- the Sound absorption layer 8.3 is fixed by means of a stabilizing metal plate 7 to the elevator car 5, wherein the sound absorption layer 8.3 facing the shaft door side shaft wall and the main plane 8.1 of the cabin skirt 8 forms.
- a further variant of the attachment of a cabin apron 8 is shown with a sound absorption layer 8.3.
- the sound absorption layer 8.3 is also fastened to the elevator car 5 by means of a stabilizing metal plate 7 in this arrangement variant.
- the sound absorption layer is fixed on the shaft door side shaft wall facing away from the side of the metal plate 7, so that the latter forms the main plane 8.1 of the cabin skirt 8.
- the metal plate 7 may be present as a compact plate or have a plurality of holes, as discussed below in connection with Fig. 6 is described.
- the cabin apron 8 comprises a folded sheet metal box 8.2, which forms a hollow body with a front side 8.2.1 and a rear side 8.2.2.
- the front 8.2.1 of the cabin skirt 8 corresponds to the main level 8.1, which ensures the safety and wind line functions mentioned above.
- the cavity of the sheet metal box 8.2 is filled with a sound absorption layer 8.3, which rests on the front 8.2.1, as well as on the rear side 8.2.2 of the sheet metal box 8.2.
- An upper flange 8.2.3 of the sheet metal box is used to attach the cabin skirt 8 on the underside of the elevator car 5.
- Suitable materials for use in a sound absorption layer according to the invention are, for example, mineral fibers (eg glass fibers, stone fibers, ceramic fibers), organic fibers, open-cell foams (eg PUR foam, melamine resin foam), etc.
- the sound absorption layer 8.3 may also consist of a mixture of such materials or be present in the form of several sub-layers, wherein the individual sub-layers are preferably made of different materials. Multiple sub-layers sound absorption layers are particularly suitable for the absorption of sounds with a wide sound frequency spectrum.
- Fig. 6 shows an enlarged section of the Fig. 3
- the sound absorbing layer 8.3 comprises two partial layers 8.3.1, 8.3.2 made of different materials, wherein a metal plate 8.3.3 is inserted between the partial layers.
- a metal plate 8.3.3 is inserted between the partial layers.
- the main plane 8.1 of the cabin skirt 8 forming front 8.2.1, which ensures the safety and wind line function, a plurality of circular holes 8.4 has.
- the holes have 8.4 diameter of 2 mm to 20 mm and form a total of open area corresponding to at least 30% of the area of the front 8.2.1 of the cabin skirt 8.
- the elevator car 5 can be equipped with lower and upper streamlined cabin linings 13 (shown as dotted lines).
- the sound-absorbing cabin skirts may be designed as parts of these cabin linings 13.
Description
Gegenstand der Erfindung ist eine Aufzugsanlage mit einer Aufzugskabine, die sich in einem Aufzugsschacht mit Schachttüren bewegt, wobei die Aufzugskabine mindestens eine Kabinenschürze aufweist und im Bereich der Kabinenschürze eine Einrichtung zur Verminderung von Geräuschen vorhanden ist, welche infolge einer zwischen Schachtwand und Kabinenschürze auftretenden Luftströmung entstehen.The invention relates to an elevator installation with an elevator car which moves in a lift shaft with shaft doors, wherein the elevator car has at least one cabin apron and in the area of the cabin apron there is a device for reducing noise, which arises as a result of an air flow occurring between the shaft wall and the cabin apron ,
Kabinenschürzen sind plattenförmige Elemente, die sich im Bereich der türseitigen Front einer Aufzugskabine typischerweise um etwa einen Meter Länge von der Unterseite der Aufzugskabine aus abwärts bzw. von der Oberseite der Aufzugskabine aus aufwärts erstrecken. Sie dienen einerseits zum Schutz der Zehen von Passagieren gegen Einklemmen zwischen Kabinen- und Schachttürschwelle, wenn die Aufzugskabine nicht genau auf Stockwerkshöhe angehalten hat. Andererseits verhindern sie den Sturz von Passagieren in den Aufzugsschacht, wenn diese aus einer blockierten Aufzugskabine evakuiert werden, während die Kabinenschwelle sich wesentlich oberhalb des Stockwerksbodens befindet. Bei schnell fahrenden Aufzugskabinen haben die Kabinenschürzen auch die Aufgabe, einen möglichst laminaren Verlauf der Luftströmung zwischen der Front der Aufzugskabine und der schachttürseitigen Wand des Aufzugsschachts zu bewirken.Cabin aprons are plate-shaped elements that extend in the area of the door-side front of an elevator car typically by about one meter in length from the bottom of the elevator car downwards or from the top of the elevator car upwards. On the one hand, they serve to protect the toes of passengers against pinching between the cabin door and the landing door threshold if the elevator car has not stopped exactly at floor level. On the other hand, they prevent the fall of passengers in the elevator shaft when they are evacuated from a blocked elevator car, while the car sill is located substantially above the floor of the floor. In the case of fast-moving elevator cars, the cabin aprons also have the task of bringing about a laminar course of the air flow between the front of the elevator car and the shaft door-side wall of the elevator shaft.
Aus
Die in
Eine solche Einrichtung kann zwar eine turbulenzärmere Umströmung des Kabinenkörpers und damit eine entsprechende Geräuschminderung bewirken; die durch die turbulente Luftströmung zwischen der Kabinenschürze und der gegenüberliegenden Schachtwand verursachten Geräusche kann sie jedoch nur unwesentlich reduzieren. Ausserdem ist das Anbringen von Windleithauben zwecks Geräuschminderung mit hohen Kosten und mit der Beeinträchtigung von Wartungsarbeiten an der Aufzugskabine verbunden, und die Massnahme erfordert eine tiefere Schachtgrube, damit der vorgeschriebene Schutzraum noch realisierbar ist.
Although such a device can cause a turbulence poor flow around the cabin body and thus a corresponding noise reduction; However, the noise caused by the turbulent air flow between the cabin skirt and the opposite shaft wall can reduce them only insignificantly. In addition, the installation of Windleithauben for the purpose of noise reduction is associated with high costs and with the impairment of maintenance on the elevator car, and the measure requires a deeper shaft pit, so that the prescribed shelter is still feasible.
Der Erfindung liegt die Aufgabe zugrunde, eine Aufzugsanlage der eingangs genannten Art vorzuschlagen, die die genannten Nachteile der als Stand der Technik zitierten Einrichtungen nicht aufweist. Insbesondere soll also eine Einrichtung zu einer Aufzugskabine mit einer Kabinenschürze geschaffen werden, mit welcher die durch die Luftströmung zwischen der Kabinenschürze und der gegenüberliegenden, die Schachttüren enthaltenden Schachtwand generierten Windgeräusche mit einfachen Mitteln, kostengünstig und betriebssicher reduziert werden können.The invention has for its object to propose an elevator system of the type mentioned, which does not have the mentioned disadvantages of the cited as prior art devices. In particular, therefore, a device is to be created to an elevator car with a cabin apron, with which the wind noise generated by the air flow between the cabin apron and the opposite shaft wall containing the shaft wall can be reduced by simple means, cost and reliable.
Erfindungsgemäss wird die Aufgabe dadurch gelöst, dass bei einer Aufzugsanlage mit einer Aufzugskabine, die mindestens eine Kabinenschürze aufweist, eine Einrichtung vorhanden ist, welche im Bereich der Kabinenschürze angebrachte, schallabsorbierende Mittel zur Verminderung von im Bereich der Kabinenschürze entstehenden Geräuschen umfasst.
Nach der Erfindung ist die Schallabsorptionsschicht parallel zur Hauptebene der Kabinenschürze angeordnet. Als Hauptebene wird die der türseitigen Schachtwand zugewandte Ebene der Kabinenschürze bezeichnet, welche parallel zur türseitigen Schachtwand bzw. zur türseitigen Front der Aufzugskabine liegt und mit der Vorderkante der Kabinentürschwelle fluchtet.According to the invention, the object is achieved in that, in the case of an elevator installation with an elevator car which has at least one cabin apron, a device is provided which comprises sound-absorbing means mounted in the region of the cabin apron for reducing noises arising in the region of the cabin apron.
According to the invention, the sound absorption layer is arranged parallel to the main plane of the cabin apron. The main plane is the plane of the cabin apron facing the door-side shaft wall, which is parallel to the door-side shaft wall or door-side front of the elevator car and is aligned with the front edge of the car door sill.
Die Erfindung beruht demnach auf dem Gedanken, die Engstehung und die Übertragung von Windgeräuschen, die bei der Fahrt der Aufzugskabine durch die zwischen der Front der Aufzugskabine mit der Kabinenschürze und der gegenüber liegenden Schachtwand auftretende Luftströmung generiert werden, mit Hilfe von im Bereich der Kabinenschürze angebrachten, schallabsorbierenden Mitteln abzuschwächen. Damit soll vermieden werden, dass die Windgeräusche ungehindert den Passagierraum der Aufzugskabine erreichen oder sich im Aufzugsschacht ausbreiten.The invention is therefore based on the idea, the Engstehung and the transmission of wind noise in the Travel of the elevator car by the occurring between the front of the elevator car with the cabin skirt and the opposite shaft wall air flow are generated to attenuate by means mounted in the cabin apron, sound-absorbing means. This is to avoid that the wind noise unhindered reach the passenger compartment of the elevator car or spread in the elevator shaft.
Die durch die Erfindung erreichten Vorteile sind im Wesentlichen darin zu sehen, dass die Abschwächung der im Bereich der Kabinenschürze erzeugten Windgeräusche mit kostengünstigen Mitteln erreicht wird, und dass für die Installation und Wartung dieser Mittel wenig Aufwand und kein speziell ausgebildetes Personal erforderlich ist. Ausserdem hat die vorgeschlagene Einrichtung keine Erhöhung des Risikos von Betriebsstörungen zur Folge, da keine Sensoren, Schallgeber und/oder elektronischen Schaltungen und Verdrahtungen erforderlich sind.The advantages achieved by the invention are essentially to be seen in the fact that the attenuation of the wind noise generated in the cabin apron is achieved with low-cost means, and that for the installation and maintenance of these funds little effort and no specially trained personnel is required. In addition, the proposed device does not increase the risk of malfunction, since no sensors, sounder and / or electronic circuits and wiring are required.
Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung gehen aus den Unteransprüchen hervor und sind im Folgenden beschrieben:
- Eine bezüglich Geräuschverminderung verstärkt wirksame Ausgestaltung der erfindungsgemässen Aufzugsanlage besteht darin, dass auch im Bereich von Schachttürschürzen schallabsorbierende Mittel angebracht sind. Die schallabsorbierenden Mittel erstrecken sich dabei vorteilhafterweise über den gesamten Bereich zwischen zwei Schachttüren. Bei grossen Distanzen zwischen zwei benachbarten Schachttüren können die
Schachttürschürzen 15 auch nur jeweils eine limitierte Höhe, beispielsweise die vorschriftsmässige Höhe einer Schachttürschürze, aufweisen. - Zur Verminderung von Geräuschen in tieferen Frequenzbereichen eignet sich eine Ausführungsform der Erfindung, bei welcher die schallabsorbierenden Mittel mindestens einen Resonanzabsorber umfassen. Resonanzabsorber können beispielsweise als mikroperforierte Absorber, als Feder-Masse-Resonanzabsorber oder als Verbundplattenresonatoren, vorzugsweise in Form von plattenförmigen Konstruktionen, ausgeführt sein.
- Eine besonders bevorzugte Ausführungsform der Erfindung besteht darin, dass die schallabsorbierenden Mittel eine im Bereich der Kabinenschürze angebrachte poröse Schallabsorptionsschicht umfassen. Zur Verwendung in einer erfindungsgemässen porösen Schallabsorptionsschicht eignen sich vorzugsweise Materialien wie Mineralfasern, organische Fasern, offenzellige Schaumstoffe, etc. Mit einer solchen porösen Schallabsorptionsschicht können Geräusche mit weitem Frequenzspektrum durch Absorption abgeschwächt werden.
- Gemäss einer weiteren bevorzugten Ausführungsform der Erfindung ist die Schallabsorptionsschicht in Form einer vorfabrizierten Platte aus schallabsorbierendem Material vorhanden. Diese kann beispielsweise in einem die Hauptebene der Kabinenschürze bildenden Metallkasten gehalten sein oder auch nur an einer stabilisierenden Metallplatte (z. B. an einer die Hauptebene der Kabinenschürze bildenden Metallplatte) fixiert sein oder ein selbsttragendes, die Kabinenschürze bildendes Bauelement sein.
- Gute Geräuschdämpfungswerte im Fall von Geräuschen mit weitem Frequenzspektrum können mit einer porösen Schallabsorptionsschicht aus Mineralfasern (z. B. Glasfasern, Steinfasern, Keramikfasern), organischen Fasern, offenzelligen Schaumstoffen (z. B. PUR-Schaumstoff, Melaminharz-Schaumstoff), etc. erreicht werden. Es können auch Schallabsorptionsschichten aus Gemischen unterschiedlicher Materialien verwendet werden.
- Eine zweckdienliche Weiterbildung der Erfindung in Bezug auf eine Vergrösserung des Schallabsorptionsspektrums besteht darin, dass die poröse Schallabsorptionsschicht im Bereich der Kabinenschürze bzw. der Schachttürschürze mehrere Teilschichten aus unterschiedlichen schallabsorbierenden Materialien umfasst, um Windgeräusche mit stark unterschiedlichen Schallfrequenzen optimal abzuschwächen.
- Vorteilhafterweise sind zwischen den Teilschichten der Schallabsorptionsschicht - vorzugsweise metallische - Schwingplatten eingefügt, die als schwingfähige Zwischenmasse wirken und die schallabsorbierende Wirkung optimieren.
- Wirtschaftlich sinnvolle Dämpfungsergebnisse lassen sich mit einer porösen Schallabsorptionsschicht erreichen, die eine rechtwinklig zur schachttürseitigen Schachtwand gemessene Dicke von 20 mm bis 200 mm, vorzugsweise von 50 mm bis 150 mm, aufweist.
- Eine vorteilhafte Ausführungsform der Erfindung besteht darin, dass die Kabinenschürze eine parallel zu ihrer Hauptebene angeordnete Metallplatte umfasst, an welcher die poröse Schallabsorptionsschicht anliegt. Die Metallplatte bildet dabei ein stabilisierendes Element der Kabinenschürze, indem sie die Schallabsorptionsschicht stützt und hält.
- Vorteilhafterweise ist die poröse Schallabsorptionsschicht auf der der schachttürseitigen Schachtwand abgewandten Seite der Metallplatte angeordnet. Bei dieser Anordnung schützt die Metallplatte die Schallabsorptionsschicht vor mechanischen Beschädigungen durch Passagiere, wenn beispielsweise die einleitend beschriebenen Sicherheitsfunktionen der Kabinenschürze beansprucht werden.
- Gemäss einer besonders bevorzugten Ausführungsform der Erfindung, bei welcher die poröse Schallabsorptionsschicht auf der der schachttürseitigen Schachtwand abgewandten Seite der Metallplatte angeordnet ist, weist die Metallplatte eine Vielzahl von Löchern auf. Versuche haben ergeben, dass mit einer solchen Ausführungsform der Kabinenschürze die schallabsorbierende Wirkung, im Vergleich mit einer Ausführung mit einer vollständig durch eine Metallplatte bedeckten Schallabsorptionsschicht, entscheidend verbessert werden kann.
- Gute Schallabsorptionsergebnisse werden erreicht, wenn die Löcher in der Schürzenplatte kreisförmig sind,
einen Durchmesser von 2 mm bis 20 mm aufweisen und ihre gesamte Lochfläche mindestens 30% der Fläche der Kabinenschürze ausmacht. - Eine zusätzliche Verbesserung der Schallabsorption kann erreicht werden, indem die poröse Schallabsorptionsschicht (8.3) mit ihrer der Hauptebene (8.1) der Kabinenschürze abgewandten Seite an einer zweiten Metallplatte (8.2.2) anliegt.
- Bei Aufzügen mit besonders schnell fahrenden Kabinen kann eine schallabsorbierende Kabinenschürze vorteilhafterweise Teil einer Kabinenverkleidung sein, die zur Verbesserung der aerodynamischen Eigenschaften der Aufzugskabine dient.
- Eine zusätzliche Reduktion der durch die Luftströmung im Bereich der Kabinenschürze generierten Geräusche lässt sich erreichen, indem die der Kabinenschürze gegenüberliegende schachttürseitige Schachtwand zusätzlich mit einer schallabsorbierenden Schicht bedeckt wird. Im Idealfall weisen auch die Türflügel der Schachttüren eine schallabsorbierende Beschichtung auf.
- Ausführungsbeispiele der Erfindung sind im Folgenden anhand der beigefügten Zeichnungen erläutert.
- An embodiment of the elevator installation which is more effective with respect to noise reduction is that sound-absorbing means are also provided in the area of shaft door aprons. The sound-absorbing means advantageously extend over the entire area between two shaft doors. For large distances between two adjacent shaft doors, the
shaft door aprons 15 can only have a limited height, For example, the proper height of a shaft door apron, have. - To reduce noise in the lower frequency ranges, an embodiment of the invention is suitable in which the sound-absorbing means comprise at least one resonance absorber. Resonance absorbers can be embodied, for example, as microperforated absorbers, as spring-mass resonance absorbers or as composite-plate resonators, preferably in the form of plate-shaped constructions.
- A particularly preferred embodiment of the invention consists in that the sound-absorbing means comprise a porous sound absorption layer arranged in the region of the cabin apron. For use in a porous sound absorption layer according to the invention, materials such as mineral fibers, organic fibers, open-cell foams, etc. are preferably suitable. With such a porous sound absorption layer, noises with a wide frequency spectrum can be attenuated by absorption.
- According to a further preferred embodiment of the invention, the sound absorption layer is in the form of a prefabricated plate made of sound-absorbing material available. This can be held, for example, in a metal box forming the main plane of the cabin apron, or else fixed only to a stabilizing metal plate (for example on a metal plate forming the main plane of the cabin apron) or as a self-supporting component forming the cabin apron.
- Good noise attenuation values in the case of wide frequency noise can be achieved with a porous sound absorbing layer of mineral fibers (eg, glass fibers, stone fibers, ceramic fibers), organic fibers, open cell foams (eg, PUR foam, melamine resin foam), etc. become. It is also possible to use sound absorption layers of mixtures of different materials.
- An expedient development of the invention with respect to an increase in the sound absorption spectrum is that the porous sound absorption layer in the region of the cabin apron or the shaft door apron comprises a plurality of sub-layers of different sound-absorbing materials in order to optimally attenuate wind noise with greatly different sound frequencies.
- Advantageously, between the partial layers of the sound absorption layer - preferably metallic - inserted vibration plates, which act as a vibratory intermediate mass and optimize the sound-absorbing effect.
- Economically meaningful damping results can be achieved with a porous sound absorption layer, the one Thickness of 20 mm to 200 mm, preferably from 50 mm to 150 mm measured perpendicular to the shaft door side shaft wall.
- An advantageous embodiment of the invention consists in that the cabin apron comprises a metal plate arranged parallel to its main plane, against which the porous sound absorption layer rests. The metal plate forms a stabilizing element of the cabin apron by supporting and holding the sound absorption layer.
- Advantageously, the porous sound absorption layer is arranged on the side of the metal plate facing away from the shaft door-side shaft wall. In this arrangement, the metal plate protects the sound absorbing layer from mechanical damage by passengers when, for example, the safety features described in the cabin apron are claimed.
- According to a particularly preferred embodiment of the invention, in which the porous sound absorption layer is arranged on the side of the metal plate facing away from the shaft door-side shaft wall, the metal plate has a multiplicity of holes. Experiments have shown that with such an embodiment of the cabin apron, the sound-absorbing effect, as compared with an embodiment with a completely covered by a metal plate sound absorption layer can be significantly improved.
- Good sound absorption results are achieved when the holes in the apron plate are circular, one Diameter of 2 mm to 20 mm and their total hole area makes up at least 30% of the area of the cabin apron.
- An additional improvement of the sound absorption can be achieved by the porous sound absorption layer (8.3) with its the main plane (8.1) of the cabin apron side facing away from a second metal plate (8.2.2).
- In elevators with particularly fast moving cabins, a sound-absorbing cabin apron can advantageously be part of a cabin lining, which serves to improve the aerodynamic properties of the elevator car.
- An additional reduction of the noise generated by the air flow in the area of the cabin apron can be achieved by additionally covering the bay door-side shaft wall opposite the cabin apron with a sound-absorbing layer. Ideally, the door leaves of the shaft doors also have a sound-absorbing coating.
- Embodiments of the invention are explained below with reference to the accompanying drawings.
- Fig. 1Fig. 1
- einen schematischen Querschnitt durch eine Aufzugsanlage mit einer die Schachttüren enthaltenden Schachtwand mit schallabsorbierenden Schachttürschürzen und einer Aufzugskabine mit schallabsorbierenden Kabinenschürzen.a schematic cross section through an elevator system with the shaft doors containing shaft wall with sound-absorbing Shaft door aprons and a lift cabin with sound-absorbing cabin aprons.
- Fig. 2Fig. 2
- eine Sicht von einer Schachttüre aus auf die Front der Aufzugskabine mit einer unteren und einer oberen Kabinenschürze.a view from a shaft door on the front of the elevator car with a lower and an upper cabin apron.
- Fig. 3Fig. 3
- Eine erste Variante einer Kabinenschürze mit einer SchallabsorptionsschichtA first variant of a cabin apron with a sound absorption layer
- Fig. 4Fig. 4
- Eine erste Variante einer Kabinenschürze mit einer SchallabsorptionsschichtA first variant of a cabin apron with a sound absorption layer
- Fig. 5Fig. 5
- eine perspektivische Ansicht einer bevorzugten Ausführung einer unteren Kabinenschürze.a perspective view of a preferred embodiment of a lower cabin apron.
- Fig. 6Fig. 6
-
einen vergrösserten Ausschnitt der unteren Kabinenschürze gemäss
Fig. 5 .an enlarged section of the lower cabin apron accordingFig. 5 ,
Mit
In
Mit
Mit
Mit
With
Aus den
Um eine optimale Reduktion der durch die fahrende Aufzugskabine generierten Windgeräusche zu bewirken, können weitere Teile der Aufzugskabine, im Extremfall ihre gesamte äussere Oberfläche mit schallabsorbierenden Mitteln bedeckt sein.In order to effect an optimal reduction of the wind noise generated by the moving elevator car, further parts of the elevator car, in extreme cases, its entire outer surface may be covered with sound-absorbing means.
Claims (13)
- Lift installation with a lift cage (5) which moves in a lift shaft (4) provided with shaft doors (2), wherein the lift cage (5) has at least one cage apron (8, 9), which is arranged substantially parallel to the plane of a shaft wall (3) at the shaft door side, and a device for reducing noises arising in the region of the cage apron (8, 9) is present, characterised in that the device comprises sound-absorbing means in the form of a sound adsorption layer (8.3, 8.3.1, 8.3.2, 8.3.3, 8.4) mounted parallel to the plane and in the region of the cage apron (8, 9).
- Lift installation according to claim 1, characterised in that the device also comprises sound-absorbing means (15.1) mounted in the region of shaft door aprons (15).
- Lift installation according to claim 1 or 2, characterised in that the sound-absorbing means (8.3, 15.1) are present in the form of at least one resonance absorber.
- Lift installation according to claim 1 or 2, characterised in that the sound-absorbing means (8.3, 8.3.1, 8.3.2, 8.3.3, 8.4, 15.1) are present in the form of at least one porous sound absorption layer (8.3).
- Lift installation according to claim 4, characterised in that the porous sound absorption layer is present in the form of a prefabricated porous plate.
- Lift installation according to one of claims 4 and 5, characterised in that the porous sound absorption layer (8.3) consists of one or more of the following materials:- mineral fibres- organic fibres- open-cell foam materials.
- Lift installation according to any one of claims 4 to 6, characterised in that the porous sound absorption layer (8.3) comprises a single layer of a sound-absorbing material or several part layers (8.3.1, 8.3.2) of different sound-absorbing materials.
- Lift installation according to claim 7, characterised in that vibratory plates (8.3.3) are inserted between the part layers (8.3.1, 8.3.2).
- Lift installation according to any one of claims 4 to 8, characterised in that the porous sound absorption layer (8.2) has thickness of 20 millimetres to 200 millimetres, preferably a thickness of a 50 to 150 millimetres, measured at right angles to the plane of the shaft wall (3) at the shaft door side.
- Lift installation according to any one of claims 4 to 9, characterised in that the cage apron (8) comprises a metal plate (7) which is arranged parallel to the main plane (8.1) of the apron and against which the porous sound absorption layer (8.3) bears at the side thereof remote from the shaft wall (3) at the shaft door side.
- Lift installation according to claim 10, characterised in that the metal plate (7) forming the main plane (8.1) of the cage apron (8) has a plurality of circular holes (8.4), the diameter of which lies between 2 millimetres and 20 millimetres, wherein the proportion of the hole areas to the total area of the main plane (8.1) of the cage apron (8) is at least 30%.
- Lift installation according to claim 10 or 11, characterised in that the porous sound absorption layer (8.3) bears by its side remote from the main plane (8.1) of the cage apron against a second metal plate (8.2.2).
- Lift installation according to any one of claims 1 to 12, characterised in that the cage apron (8, 9) is part of a cage lining (13) improving the aerodynamic characteristics of the lift cage (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06113958A EP1726556B1 (en) | 2005-05-25 | 2006-05-15 | Elevator system comprising a device for noise reduction |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05104492 | 2005-05-25 | ||
EP06113958A EP1726556B1 (en) | 2005-05-25 | 2006-05-15 | Elevator system comprising a device for noise reduction |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1726556A1 EP1726556A1 (en) | 2006-11-29 |
EP1726556B1 true EP1726556B1 (en) | 2010-06-23 |
Family
ID=35159727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06113958A Active EP1726556B1 (en) | 2005-05-25 | 2006-05-15 | Elevator system comprising a device for noise reduction |
Country Status (7)
Country | Link |
---|---|
US (1) | US7325656B2 (en) |
EP (1) | EP1726556B1 (en) |
JP (1) | JP2006327825A (en) |
CN (1) | CN100567123C (en) |
CA (1) | CA2547849A1 (en) |
DE (1) | DE502006007252D1 (en) |
HK (1) | HK1099270A1 (en) |
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CN102171127B (en) * | 2008-10-06 | 2016-11-09 | 奥蒂斯电梯公司 | Elevator door roller and the thermal boundary of guide rail |
JP4784950B2 (en) * | 2008-11-07 | 2011-10-05 | 東芝エレベータ株式会社 | Elevator equipment |
JP4873426B2 (en) * | 2008-12-26 | 2012-02-08 | 東芝エレベータ株式会社 | Elevator equipment |
JP4607219B2 (en) * | 2008-12-26 | 2011-01-05 | 東芝エレベータ株式会社 | Elevator safety device |
JP4844985B2 (en) * | 2008-12-26 | 2011-12-28 | 東芝エレベータ株式会社 | Elevator and elevator noise reduction method |
JP4748615B2 (en) * | 2008-12-26 | 2011-08-17 | 東芝エレベータ株式会社 | Elevator equipment |
JP4822229B2 (en) * | 2008-12-26 | 2011-11-24 | 東芝エレベータ株式会社 | Elevator equipment |
JP4748614B2 (en) * | 2008-12-26 | 2011-08-17 | 東芝エレベータ株式会社 | Elevator airflow generator |
JP4775826B2 (en) * | 2009-01-22 | 2011-09-21 | 東芝エレベータ株式会社 | Elevator equipment |
JP5344431B2 (en) * | 2009-05-18 | 2013-11-20 | 東芝エレベータ株式会社 | Elevator equipment |
JP2011057318A (en) * | 2009-09-07 | 2011-03-24 | Toshiba Elevator Co Ltd | Elevator device |
JP5653231B2 (en) * | 2011-01-19 | 2015-01-14 | 東芝エレベータ株式会社 | Elevator equipment |
WO2013068034A1 (en) * | 2011-11-08 | 2013-05-16 | Kone Corporation | Elevator car |
WO2013153636A1 (en) * | 2012-04-11 | 2013-10-17 | 三菱電機株式会社 | Elevator device |
EP2762435B1 (en) * | 2013-02-04 | 2015-07-15 | Kone Corporation | Elevator |
CN104118780A (en) * | 2013-04-24 | 2014-10-29 | 贺杰 | Lift shaft anti-falling method and device |
US9746423B2 (en) * | 2013-05-15 | 2017-08-29 | ETS-Lindgren Inc. | Reverberation chamber loading |
CN104743426B (en) * | 2013-12-25 | 2017-03-29 | 上海三菱电梯有限公司 | Lift car |
CN104291188A (en) * | 2014-10-29 | 2015-01-21 | 康力电梯股份有限公司 | Elevator car wall sound insulation structure |
EP3031766A1 (en) * | 2014-12-11 | 2016-06-15 | KONE Corporation | Elevator car |
EP3031765A1 (en) * | 2014-12-11 | 2016-06-15 | Kone Corporation | Elevator car |
DK3237094T3 (en) * | 2014-12-22 | 2021-08-02 | Donaldson Filtration Deutschland Gmbh | EXHAUST GAS Muffler DEVICE, SYSTEM INCLUDING A DEVICE OF THIS TYPE, SORPTION DRYER DRIVES WITH A DEVICE OF THIS TYPE AND EXHAUST NOISE Muffler DEVICE |
JP6410598B2 (en) * | 2014-12-26 | 2018-10-24 | 株式会社日立製作所 | Elevator car |
US10246300B2 (en) * | 2015-06-30 | 2019-04-02 | Otis Elevator Company | Elevator virtual aerodynamic shroud |
CN107032210B (en) * | 2015-07-13 | 2020-12-01 | 奥的斯电梯公司 | Elevator system muffler assembly and method |
JP6452861B2 (en) * | 2016-01-20 | 2019-01-16 | 三菱電機株式会社 | Elevator and its fall prevention screen device |
JP6652883B2 (en) * | 2016-04-28 | 2020-02-26 | 株式会社日立製作所 | Elevator equipment |
JP6614126B2 (en) * | 2016-12-28 | 2019-12-04 | フジテック株式会社 | elevator |
CN107826938B (en) * | 2017-11-14 | 2023-06-09 | 苏州科达液压电梯有限公司 | From portable seat's of taking sound insulation noise control elevator for hospital building |
CN109448747A (en) * | 2018-09-14 | 2019-03-08 | 日立楼宇技术(广州)有限公司 | Generation method, device, computer equipment and the storage medium of anti-noise sound wave |
JP2021046306A (en) * | 2019-09-20 | 2021-03-25 | 株式会社日立製作所 | Elevator and car |
EP3800157B1 (en) * | 2019-10-04 | 2023-02-15 | Otis Elevator Company | Elevator apron |
WO2022230198A1 (en) * | 2021-04-30 | 2022-11-03 | 三菱電機株式会社 | Elevator |
CN113247740B (en) * | 2021-05-24 | 2023-03-24 | 上海三菱电梯有限公司 | Elevator car wall structure |
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-
2006
- 2006-05-15 DE DE502006007252T patent/DE502006007252D1/en active Active
- 2006-05-15 EP EP06113958A patent/EP1726556B1/en active Active
- 2006-05-17 JP JP2006137315A patent/JP2006327825A/en not_active Withdrawn
- 2006-05-23 CN CNB2006100848675A patent/CN100567123C/en active Active
- 2006-05-24 CA CA002547849A patent/CA2547849A1/en not_active Abandoned
- 2006-05-25 US US11/420,306 patent/US7325656B2/en active Active
-
2007
- 2007-05-22 HK HK07105384.6A patent/HK1099270A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2547849A1 (en) | 2006-11-25 |
DE502006007252D1 (en) | 2010-08-05 |
JP2006327825A (en) | 2006-12-07 |
US7325656B2 (en) | 2008-02-05 |
EP1726556A1 (en) | 2006-11-29 |
CN1868851A (en) | 2006-11-29 |
HK1099270A1 (en) | 2007-08-10 |
US20060289242A1 (en) | 2006-12-28 |
CN100567123C (en) | 2009-12-09 |
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