US20090067162A1 - People conveyor glass bastustrade lighting - Google Patents

People conveyor glass bastustrade lighting Download PDF

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Publication number
US20090067162A1
US20090067162A1 US11/719,545 US71954504A US2009067162A1 US 20090067162 A1 US20090067162 A1 US 20090067162A1 US 71954504 A US71954504 A US 71954504A US 2009067162 A1 US2009067162 A1 US 2009067162A1
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US
United States
Prior art keywords
profile
leds
people conveyor
conveyor according
shaped channel
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.)
Abandoned
Application number
US11/719,545
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English (en)
Inventor
Andreas Vogt
Frank Wiegand
Frank Kirchhoff
Bernward Engelke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Assigned to OTIS ELEVATOR COMPANY reassignment OTIS ELEVATOR COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KIRCHHOFF, FRANK, ENGELKE, BERNWARD, WIEGAND, FRANK, VOGT, ANDREAS
Publication of US20090067162A1 publication Critical patent/US20090067162A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/22—Balustrades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/08—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of gallium, indium or thallium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing

Definitions

  • the present invention relates to people conveyors having an endless people transportation band and an endless handrail, a glass balustrade arranged laterally to the transportation band and supporting the handrail, and a profile for engaging the glass balustrade and comprising an illumination cavity.
  • the people conveyor can be an escalator or moving walkway.
  • the endless people transportation band can comprise a plurality of individual steps or pallets which are arranged one after the other so as to form the endless revolving transportation band.
  • an elastic endless belt can form the transportation band.
  • the handrail is preferably movable together with the endless people transportation band.
  • Glass balustrade in the context of the present application refers to balustrades made of transparent or translucent material which does not necessarily have to be glass. It is particularly advantageous to illuminate the transportation band and particularly the steps in case of an escalator. At present standard escalators have a tube lightening for illuminating the glass balustrade. However, the tube lighting requires substantial space and a slim appealing balustrade design cannot easily be achieved, particularly if it is desired to illuminate the glass balustrade from above, i.e. from under the handrail.
  • 6,129,442 suggest to use light-guides for guiding light from a light source to the profile on top of the balustrade.
  • a transparent material for the profile, particularly if it is desired to illuminate the glass balustrade from the small peripheral or top front side, since a separate illumination cavity is provided within the profile for retaining the light-guide within the profile.
  • Both features, i.e. the transparent profile and the separate required illumination cavity are generally not present in existing people conveyor installations so that re-equipping of existing people conveyors with under handrail illumination is virtually impossible.
  • the existing systems do not allow separate switching of sections or spots to be illuminated along the glass balustrade which might be desired in order to highlight information as provided on the glass balustrade or for any aesthetic reason.
  • Such light-guide systems require very strong illumination sources in order to provide sufficient light intensity along the complete glass balustrade.
  • Such light sources are typically arranged within the upper or lower landings and consume a large amount of space which might not be available in some applications. Typically they also consume a relatively large amount of energy.
  • this object is solved by a people conveyor as described above, wherein a plurality of LEDs (light emitting diodes) is arranged in the illumination cavity.
  • the LEDs are arranged so as to direct the light into the edge or the peripheral face of the glass balustrade and/or into one or both lateral side surfaces thereof.
  • the LEDs are individual light sources which can be switched individually, and as they are distributed along the length of the profile, it is possible to illuminate selected portions of the glass balustrade.
  • the LEDs only require a power source which can be very compact and which can be placed conveniently within the people conveyor.
  • the LEDs may have a high illumination density. As compared to lighting tubes, the LEDs consume much less space so that it is possible to re-equip existing profiles with LED glass balustrade illumination. Due to the fact that the LEDs are arranged individually, it is easy to illuminate also the newel bows of the handrail.
  • LEDs of different colors or LEDs which can produce different colors depending on how they are controlled. Thus it is possible to generate different light and color effects both for aesthetic and warning purposes.
  • the very small voltage required for feeding the LEDs is another advantage of using LEDs. Even if, for whatever reason, the passengers get in contact with the conductors feeding the LEDs, the voltage will do no harm to them.
  • a further advantage is small power consumption by the LEDs and the relatively small heat generation by the LEDs.
  • the profile comprises an U-shaped channel and the illumination cavity is an extension of the U-shaped channel.
  • the profile can be made of a transparent or translucent material and the illumination cavity can be provided separately from the U-shaped channel engaging the glass balustrade. If, however, the illumination cavity is en extension of the U-shaped channel so that the LEDs are in direct optical contact with the glass balustrade, the profile can be made from a material having a good thermal conductivity, for example metal material, and preferably an aluminium or aluminium alloy. Despite that fact that LEDs produce only small amounts of heat, they produce heat which so needs to be dissipated.
  • Transparent profiles as mentioned above are made of resin material which typically is not a good thermal conductor.
  • LEDs are used in a illumination cavity in such a resin profile, and if no means for dissipating thermal energy are provided, the LEDs have to operate at elevated temperatures which might cause premature failure of the LEDs.
  • the use of the LEDs in combination with a profile made from a material having a good thermal conductivity insures good thermal dissipation and reasonable operating temperatures for the LEDs.
  • a potting material is used for mounting the LEDs into the illumination cavity.
  • the potting material is any kind of plastics material. It may be a flexible material in the hardened condition which allows for easy installation of the pottered LEDs into the profile and facilities flexing of the profile for example in the newel portion.
  • an epoxy resin can be used.
  • the potting material is clear like glass or water, transparent or translucent.
  • a transparent potting material it is possible to completely enclose the LEDs within the potting material. It might also be preferred to not completely enclose the LEDs within the potting material but to have the illuminating side of the LEDs extending out of the potting material. In this case there is no need to use a transparent potting material.
  • the potting material has a good coefficient of thermal conduction.
  • Such potting material ensures a good dissipation of the heat produced by the LEDs into the profile material and, away from the LEDs and the illumination cavity.
  • the LEDs are electrically connected with an electrical power source so that individual LEDs and/or groups of LEDs can be switched separately.
  • a control such as a conventional microprocessor or the like, can be used for controlling such separate switching. It is possible to not only produce static illumination, but to also produce a moving or timely varying illumination. Thus a moving illumination can display the transportation direction of the people conveyor, for example by way of a moving bar or arrow.
  • a bus system is provided for separately switching the LEDs.
  • a bus system can substantially reduce the wiring for the LEDs and thus reduce space consumption in the profile.
  • the U-shaped channel has a depth direction which is defined in parallel to lateral walls of the U-shaped channel in the direction from the open mouth to the base of the U, wherein the illumination cavity is an extension of the U-shaped channel in the depth direction.
  • the LEDs can be placed and potted, respectively, in the profile with the illumination side thereof opposite to the peripheral front face of the glass balustrade.
  • the manufacturing of such an illumination is very simple because the LEDs can be easily mounted in such an enlarged channel.
  • the U-shaped channel has a depth direction which is defined in parallel to the lateral walls of the U-shaped channel in the direction from the open mouth to the base of the U, and wherein the illumination cavity is an extension of the U-shaped channel in one of the lateral walls thereof and perpendicular to the depth direction.
  • This construction brings the illuminating side of the LEDs into an opposed position with respect to one of the lateral surfaces of the glass panel.
  • an elastic interlayer is provided between the profile and the glass balustrade along the lateral walls of the U-shaped channel and, preferably, such an interlayer is also provided between walls of the illumination cavity and the LEDs.
  • an elastic interlayer is provided between the profile and the glass balustrade along the lateral walls of the U-shaped channel and, preferably, such an interlayer is also provided between walls of the illumination cavity and the LEDs.
  • the profile is screwed to the glass profile by means of a plurality of screws.
  • the profile is fixed to the balustrade by way of spring means which are biased against the glass balustrade for fixing the profile thereon.
  • Spring means are not easy to manufacture and to install.
  • such spring means have to be customised for the particular application so that there are relatively expensive components. Screws can be taken from stock and are relatively inexpensive compared to such spring means.
  • the profile is attached on top of the glass balustrade and forms a guide support for the handrail.
  • the profile is attached to a base structure of the people conveyor and supports the glass balustrade.
  • illumination for the glass balustrade can be provided from the top and from the bottom so that a very high illumination intensity and equal intensity distribution over the glass balustrade can be realized.
  • means for electrostatic grounding of the handrail are provided.
  • the moving handrail is typically made of an elastomeric material which is subjected to electrostatic charging thereof. In the effect, very high voltages can be generated which might destroy the LEDs. In order to ensure prolonged lifetime of the LEDs an electrostatic grounding is preferred together with the LED illumination.
  • the LEDs is supported on a common printed circuit board.
  • the printed circuit board is preferably flexible.
  • the LEDs can be surface mounted to the printed circuit board.
  • the printed circuit board can include the conductors for feeding the LEDs. It can further comprise data lines, for example the data bus of the bus system, and can further include logic elements to be used with respect to each individual LED or groups of individual LEDs together with the bus system.
  • the profile of the people conveyor is formed of a plurality of profile segments which are joined with each other in longitudinal direction of the profile and which preferably have electrical connectors provided at longitudinal ends of the profile segments for electrically connecting the profile segments with each other.
  • the LEDs of one profile segment are mounted on a common printed circuit board.
  • the profile and the profile segment respectively, comprise fins or ribs for increasing heat dissipation.
  • Such fins or ribs can be provided at the outer side of the profile, i.e. the side facing the environment. They can also be provided within the illumination channel in order to increase the heat dissipation from the LEDs into the material of the profile. Even if a thermal conductive potting material is used, such internal fins or ribs can be provided in order to improve the heat transfer from the potting material to the profile material.
  • the invention relates in one embodiment also to a profile segment for an escalator according to the present invention comprising an U-shaped channel for engaging the glass balustrade and an illumination cavity which is preferably an extension of the U-shaped channel and in which a plurality of LEDs is arranged. It is to be noted that generally all features as described above with respect to the people conveyor and which relate to the profile apply for the profile segment as well.
  • FIG. 1 shows a people conveyor having a glass balustrade illumination according to an embodiment of the present invention
  • FIG. 2 is a cross section view of a profile supporting the handrail of the people conveyor and part of the glass balustrade in the inclined area of the people conveyor;
  • FIG. 3 shows a sectional view similar to that of FIG. 2 of the profile in the newel bow of the people conveyor.
  • FIG. 1 shows a people conveyor 2 in accordance with an embodiment of the present invention.
  • the people conveyor 2 of FIG. 1 is an escalator, but the invention can also be realized with a moving walkway, etc.
  • the people conveyor 2 has an endless people transportation band 4 made up from a plurality of steps which are arranged one next to the other.
  • the people conveyor 2 further includes an endless handrail 6 moving in parallel with the people transportation band 4 .
  • a glass balustrade 8 is arranged laterally to the transportation band 4 and supports the handrail 6 .
  • the handrail 6 is supported by a profile 10 which is mounted on top of the glass balustrade. Similar to the profile 10 , there is a further profile 12 which is supported by the base structure 14 of people conveyor 2 and supports the glass balustrade.
  • the glass balustrade 8 can be illuminated by an illumination arrangement which is provided in the profile 10 and/or in the profile 12 .
  • the glass balustrade 8 can be structured in a way so as to scatter the light out of the volume of the glass balustrade 8 in order to illuminate the transportation band 4 or in order to display information or for purely decorative purposes. It is possible to have such structures only in particular areas, for example in the form of an image or word which is to be displayed. But it is also possible to have such structure on the complete side surface or both side surfaces of the glass balustrade 8 .
  • the structure can be made by various techniques, for example blasting techniques like grid blasting or sand blasting. It is also possible to print such structures on the surface. Screen printing and particularly screen printing of ceramic material is most preferred at present.
  • the handrail follows an endless path through an inclined area 16 , a transition area 18 , a newel area 20 , where the handrail is guided around a newel bow 22 and then through a return path 24 .
  • a handrail drive 26 is arranged in the return path.
  • a power source 28 for providing power for illuminating the glass balustrade 8 can be positioned in space 30 below the upper landing or at any other place within the people conveyor 2 or even outside thereof.
  • the profile 10 supporting the handrail 6 as well as the profile 12 supporting the balustrade 8 can be made up from a plurality of profile segments 32 which are adjacent to each other in the longitudinal direction of the profile 10 .
  • FIG. 2 is a section through the handrail arrangement 34 at any location of the handrail arrangement except the newel area 20 and the return path 24 .
  • the handrail arrangement 34 comprises the handrail 6 , made of an elastic rubber material as it is conventional, a sliding guide 36 which is supported by the profile 10 .
  • the profile 10 has an U-shaped channel 38 comprising lateral walls 40 .
  • the U of the U-shaped channel 38 is opening downwardly in the representation of FIG. 2 and has a base 42 .
  • the profile 12 also comprises an U-shaped channel and is in some respect similar to the profile 10 .
  • the profile 12 does not necessarily have any means for guiding the handrail 6 .
  • the profiles 10 and 12 are preferably made of a material having a good thermal conductivity, for example a metal, etc.
  • the profiles 10 , 12 are extruded aluminium or aluminium alloy profiles.
  • An illumination cavity 44 is provided in the extension of the U-shaped profile 38 .
  • a plurality of LEDs 45 is arranged in the illumination cavity 44 .
  • the LEDs are preferably those as sold by the German company Osram under the name of LBE67C POWER TOPLED or LT E67C.
  • a potting material 43 is used for mounting the LEDs 45 into the illumination cavity.
  • An elastic interlayer 46 is provided between the profile 10 and the glass balustrade 8 .
  • the elastic interlayer 46 is provided along the lateral walls 40 of the U-shaped channel 38 and is also provided along the walls of the illumination cavity.
  • a further option for reducing the temperature as generated by the illumination in the lighting profile 42 a conductor having a relatively large cross sectional area can be used for supplying power to the individual LEDs 51 .
  • a wire of the type lapp canel, oelflid 191, 3G 1.5 mm/16AWG has been found suitable.
  • a power supply can be provided for supplying power to the LEDs 51 and for controlling the illumination colour, intensity, etc.) of the LEDs 51 . If a plurality of stairs needs to be controlled, for example in unison within a building, one power supply can be configured as Master controller.
  • the Master controller or any other power supply can control the colours via pre-set values or a PC program, static or dynamic.
  • the light as generated by the LEDs is directed through an edge or peripheral front surface 48 of the balustrade 8 into the volume of the balustrade 8 .
  • the glass balustrade has a typical width of 10 mm.
  • the illumination band as formed by the LEDs has substantially the same width as the glass balustrade.
  • the profile 10 is fixed to the glass balustrade 8 by way of screws 50 and preferably by way of self-cutting headless screws 50 .
  • the screw opening may be covered by cover 52 .
  • FIG. 3 is a sectional view similar to that of FIG. 2 , but is taken in the area of the newel bow 22 .
  • rollers 54 are journaled in the profile 10 .
  • rollers can be made of metallic material, for example copper, and it is possible to ground such rollers in order to avoid electrostatic charging of the handrail 6 .
  • Roller bearings 56 are schematically shown within the envelope of the roller 54 .
  • the LEDs 45 are preferably mounted to a flexible printed circuit board 57 which extends along the length of the illumination cavity 44 .
  • a data bus can be provided on such printed circuit board 57 or separately therefrom in addition to the conductors feeding electrical power to the LEDs 45 .
  • the data bus can be connected with individual LEDs 45 and/or groups of LEDs 45 in order to separately illuminate such individual LEDs 45 or groups of LEDs 45 .
  • a data decoder is provided for each individual LED 45 or for each group of LEDs 45 .
  • the data decoder can be integrally formed on the printed circuit board or can be integrally formed with the LED 45 , but can also be surface mounted to the printed circuit board or be individually connected with the data bus and the LED(s) 45 .
  • a switching means can be provided for switching power to the respective LED 45 or groups of LEDs 45 in case that the information on the data bus requires illumination thereof. Any other circuitry or conductor arrangement can be used for individually or groupwise switching LEDs 45 on and off.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Escalators And Moving Walkways (AREA)
  • Glass Compositions (AREA)
US11/719,545 2004-11-26 2004-11-26 People conveyor glass bastustrade lighting Abandoned US20090067162A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2004/013453 WO2006056224A1 (en) 2004-11-26 2004-11-26 People conveyor glass bastustrade lighting

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/013453 A-371-Of-International WO2006056224A1 (en) 2004-11-26 2004-11-26 People conveyor glass bastustrade lighting

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/877,200 Continuation US8123373B2 (en) 2004-11-26 2010-09-08 People conveyor glass balustrade lighting

Publications (1)

Publication Number Publication Date
US20090067162A1 true US20090067162A1 (en) 2009-03-12

Family

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Family Applications (2)

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US11/719,545 Abandoned US20090067162A1 (en) 2004-11-26 2004-11-26 People conveyor glass bastustrade lighting
US12/877,200 Expired - Fee Related US8123373B2 (en) 2004-11-26 2010-09-08 People conveyor glass balustrade lighting

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/877,200 Expired - Fee Related US8123373B2 (en) 2004-11-26 2010-09-08 People conveyor glass balustrade lighting

Country Status (7)

Country Link
US (2) US20090067162A1 (de)
EP (1) EP1814815B1 (de)
JP (1) JP2008521722A (de)
CN (1) CN101065316B (de)
AT (1) ATE430110T1 (de)
DE (1) DE602004020940D1 (de)
WO (1) WO2006056224A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090175031A1 (en) * 2006-05-19 2009-07-09 Dirk Winkelhake People conveyor lighting
US20110042179A1 (en) * 2004-11-26 2011-02-24 Andreas Vogt People conveyor glass balustrade lighting
US20110096535A1 (en) * 2008-06-13 2011-04-28 Alexander Pfeiler Escalator or moving walkway with led illumination
US8286782B2 (en) * 2008-11-17 2012-10-16 Industrial Technology Research Institute Information display system for passenger conveying device
US20130163233A1 (en) * 2011-12-21 2013-06-27 Inventio Ag Illuminable panel
US11014787B2 (en) * 2017-06-02 2021-05-25 Mitsubishi Electric Corporation Passenger conveyor balustrade apparatus and lighting holder

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JP5012137B2 (ja) * 2007-03-28 2012-08-29 三菱電機ビルテクノサービス株式会社 エスカレータの乗降部欄干照明装置
ES2393691T3 (es) * 2008-05-21 2012-12-27 Inventio Ag Pasamanos para una escalera mecánica o un pasillo rodante
JP4769885B2 (ja) * 2009-03-25 2011-09-07 株式会社日立製作所 乗客コンベア
JP5017341B2 (ja) * 2009-09-15 2012-09-05 株式会社日立製作所 乗客コンベア
JP5770003B2 (ja) * 2011-04-05 2015-08-26 東芝エレベータ株式会社 乗客コンベアの照明装置
CN102951539B (zh) * 2011-08-23 2015-04-01 上海三菱电梯有限公司 运送系统的照明装置
JP5804865B2 (ja) * 2011-09-14 2015-11-04 三菱電機ビルテクノサービス株式会社 エスカレータ欄干照明装置およびエスカレータ欄干照明装置取付方法
CN102515009A (zh) * 2011-12-30 2012-06-27 上海爱登堡电梯股份有限公司 一种带扶手照明装置的自动扶梯
CN102951537A (zh) * 2012-11-26 2013-03-06 康力电梯股份有限公司 一种扶梯玻璃支撑架夹紧机构
DE102013011645B4 (de) * 2013-07-11 2019-05-02 Thyssenkrupp Fahrtreppen Gmbh Personenbeförderungseinrichtung mit beleuchteter transparenter Balustrade
JP6208571B2 (ja) * 2013-12-18 2017-10-04 株式会社日立製作所 乗客コンベア
US9644836B1 (en) 2014-03-28 2017-05-09 Itasca Plastics, Inc Lighted handrail assembly
JP6597210B2 (ja) * 2015-11-11 2019-10-30 フジテック株式会社 乗客コンベア
JP2017149511A (ja) * 2016-02-23 2017-08-31 株式会社日立製作所 乗客コンベア
JP6787351B2 (ja) * 2018-01-16 2020-11-18 フジテック株式会社 乗客コンベアの欄干
JP6810196B2 (ja) * 2019-06-12 2021-01-06 東芝エレベータ株式会社 乗客コンベア
CN111576284A (zh) * 2020-05-28 2020-08-25 章莹莹 一种具有自动降温与除尘功能的城市护栏扶手
CN112777466B (zh) * 2021-02-26 2022-07-26 杭州西奥电梯有限公司 扶梯扶手系统及自动扶梯
JP7224517B1 (ja) 2022-06-13 2023-02-17 三菱電機株式会社 乗客コンベアの欄干装置

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JP2008521722A (ja) 2008-06-26
EP1814815B1 (de) 2009-04-29
CN101065316A (zh) 2007-10-31
ATE430110T1 (de) 2009-05-15
WO2006056224A1 (en) 2006-06-01
US20110042179A1 (en) 2011-02-24
US8123373B2 (en) 2012-02-28
DE602004020940D1 (de) 2009-06-10
HK1114597A1 (en) 2008-11-07
CN101065316B (zh) 2014-01-29
EP1814815A1 (de) 2007-08-08

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