EP1390284B1 - Dispositif de determination de la position d'une cabine d'ascenseur sur rails au moyen d'un porteur de code - Google Patents

Dispositif de determination de la position d'une cabine d'ascenseur sur rails au moyen d'un porteur de code Download PDF

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Publication number
EP1390284B1
EP1390284B1 EP02727141A EP02727141A EP1390284B1 EP 1390284 B1 EP1390284 B1 EP 1390284B1 EP 02727141 A EP02727141 A EP 02727141A EP 02727141 A EP02727141 A EP 02727141A EP 1390284 B1 EP1390284 B1 EP 1390284B1
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EP
European Patent Office
Prior art keywords
guide rail
code
receiving groove
magnetic
code carrier
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.)
Expired - Lifetime
Application number
EP02727141A
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German (de)
English (en)
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EP1390284A1 (fr
Inventor
René Kunz
Eric Birrer
Matthias Lorenz
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Inventio AG
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Inventio AG
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
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Priority to EP02727141A priority Critical patent/EP1390284B1/fr
Publication of EP1390284A1 publication Critical patent/EP1390284A1/fr
Application granted granted Critical
Publication of EP1390284B1 publication Critical patent/EP1390284B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/022—Guideways; Guides with a special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector

Definitions

  • the invention relates to a device for determining the Absolute position of a rail-mounted elevator car Definition of the claims.
  • Such positioners are known. at Elevator systems are used to this, the Absolute position of an elevator car to determine and from it Information signals for the control of the elevator installation derive.
  • the position information is in coded form stationary along the entire travel path of the elevator car attached and is by means of a code reading device in encoded form and read in an evaluation prepared for control.
  • a code carrier Magnetic strip on the side of a cabin guide rail is attached.
  • the magnetic strip contains in Shifting direction of the elevator car a length coding and coded information about stops or like.
  • An attached to the elevator car and together with this in reading direction of coding relative magnetic stripe movable magnetic head reads the coded Information and forwards it to the evaluation.
  • Disadvantages of the known device exist in the past usual attachment of the magnetic strip on or on the Cabin guide rail, as well as in the training of Magnetic strip itself.
  • the magnetic strip is positionally accurate and without overstretching to mount on the guide rail to a distortion of the coding and the resulting Inaccuracies for the positioning of the elevator car to avoid.
  • the exposed position of the magnetic stripe There is also the danger of damage to the side of the guide rail from mechanical damage of the magnetic strip by im Shaft moving parts, such as the magnetic head at occurring horizontal movements of the elevator car.
  • the known magnetic tape settles with lubricating oil and in the shaft whirled dust particles to, which is a reading of the Coding impaired.
  • the object of the invention is to provide a low-maintenance Specify position sensor device for elevators, which a permanently accurate reading of the absolute coding ensures.
  • the non-magnetic cover also acts as a mechanical Reinforcement for the code carrier and thereby prevents the assembly a distortion of the coding by uneven stretching of the code carrier in reading direction.
  • a further increase in reliability and accuracy the position determination is with a code carrier too reach, which as a coding carrying Magnetic tape and a firmly connected non-magnetizable cover, in the form of a metallic Cover bands, is formed.
  • a code carrier too reach which as a coding carrying Magnetic tape and a firmly connected non-magnetizable cover, in the form of a metallic Cover bands, is formed.
  • the high mechanical Strength is cheaper in such a code carrier Heat balance between code carrier and guide rail reached. This affects the length of the code carrier occurring temperature-related, uneven thermal expansions opposite to the guide rail, respectively makes the differences in elongation uniform.
  • the Code carrier with outwardly facing cover in one Receiving groove of the guide rail is inserted.
  • the Mounting groove allows easy and exact mounting of the Code termes, because this without additional aids only in the structurally provided receiving groove is to use.
  • the magnetic tape carrying the coding is covered protectively on all sides.
  • the Indianchirut used code carrier is in the Embedded guide rail and out through the Cover covered and therefore essentially takes their Temperature on. Temperature-related strain differences between the code carrier and the guide rail so no on.
  • the receiving groove is the front side of a Guide flange of the car guide rail formed.
  • the Production of the receiving groove is simple and the code carrier is for reading the coding for the code reading device very easily accessible.
  • a compact and space-saving design of the elevator is included a possible embodiment in which the receiving groove laterally on a guide flange of the car guide rail is trained. This arrangement further favors exact reading of the coding with the help of Code reading device.
  • the code carrier and the production of the inventive Device offers a design in which the cover as a band with substantially two mutually parallel Surfaces and side boundaries is formed, wherein at least the page boundaries the code carrier side Overhang, and the groove flanks of the receiving groove complementary are formed to the side boundaries of the cover strip.
  • the code carrier is preferably magnetically self-adhesive attached to the guide rail. This allows a simple and time-saving installation. At the same time lies the code carrier directly on the guide rail and favors the Heat transfer between the two. The code carrier follows any movements of the guide rail without the Connection dissolves or the code carrier local Aufstauchache learns.
  • the at driving elevator cab is highly stressed dynamically. Around in this area originating from the receiving groove To avoid notch stress, it is expedient to Foot area of the guide flange by hot rolling to to edit.
  • Fig. 1 shows an elevator with a shaft 1, in which an elevator car 2 and a counterweight 3 at one common suspension cable 4 are suspended.
  • the support cable 4 is via a non-driven pulley 5 and a driven traction sheave 6 and is guided by the latter driven.
  • the traction sheave 6 transmits the driving forces a drive motor not shown here for lifting and Lowering the elevator car 2 and the counterweight 3 on the driven by her suspension cable 4.
  • the elevator car 2 is along a guide rail 7 vertically displaceable. Along the guide rail 7 is parallel to Movement direction 8 of the elevator car 2 a code band. 9 appropriate.
  • the code tape 9 contains 8 in the direction of movement the elevator car 2 coded length or position information and coded information about stops or like.
  • the coded information is from a Sensor head 10 and read to the evaluation unit 11th forwarded.
  • the sensor head 10 is arranged on the elevator car 2 and is moved along with it along the code tape 9.
  • the Sensor head 10 with correspondingly suitable sensors fitted. Hall sensors, for example, are suitable for this purpose.
  • the coded information read by the sensor head 10 becomes forwarded to an evaluation unit 11.
  • the Evaluation unit 11 translates the encoded information into a form understandable to the elevator controller 12 before For example, as here on a hanging cable 13 to the Elevator control 12 for positioning the elevator car 2 is forwarded.
  • the code strip 9 consists of a Magnetic tape 14 and a metallic cover band 15.
  • a metallic cover band 15 for this suitable is basically any material which mechanical protection for the magnetic tape 14 and the Code marks offers.
  • the magnetic tape 14 is centered on the metallic masking tape 15 glued, wherein the masking tape 15 on both sides over the magnetic tape 14 protrudes.
  • the Magnetic tape 14 is in a receiving groove 16 on the end face 17 of the guide flange 18 of the guide rail 7 is used and to the shaft 1 through the metallic cover strip 15th covered.
  • the magnetic tape 14 is made of vulcanized nitrile rubber as binder, incorporated into the aligned barium ferrite is.
  • the magnetic tape can be made of a plastic or rubber material, into which any magnetizable material can be incorporated.
  • the magnetizable material is in alternating order in Shape of transverse to the magnetic tape longitudinal direction Sections either as a magnetic north pole or as magnetic south pole magnetized.
  • the magnetized Sections form outwardly oriented ones Magnetic fields and make the code marks of the magnetic tape 14 dar. Depending on the polarity of the code marks so that two different values "0" and "1" as basic building blocks of Coding be presented.
  • the non-magnetic metallic cover tape 15 is used for Protection against mechanical damage of the magnetic tape 14 by moving parts in the shaft 1, e.g. the sensor head 10, and the compensation of over the band length auftetenden Uneven thermal expansion of the magnetic tape 14 relative to the Guide rail 7.
  • As mechanical reinforcement of the Magnetic tape 14 prevents uneven stretching of the magnetic tape 14 and thus a falsification of the coding during installation. Because of its non-magnetic property The magnetic code marks of the magnetic tape 14 also remain through the cover strip 14 for the sensor head 10th readable.
  • the receiving groove 16 is over the entire length of End face 17 of the guide flange 18 and edged has a complementary to the shape of the magnetic tape 14, here rectangular cross-section on.
  • the code tape 9 is with Help of Magnetic Coding of Magnetic Tape 14 magnetically self-adhesive in the receiving groove 16 fixed supported.
  • a fixed connection e.g. by means of Screw connection at the upper end of the guide path is used as a positional backup of the magnetic tape 14.
  • can Glue dots at regular intervals over the length of the Aufnahemnut 16 for fixing the magnetic tape serve (not ) Shown. However, a bond is sufficient magnetic self-adhesion of the magnetic tape is not mandatory required.
  • Fig. 2b shows an embodiment of the inventive Device in which a code band 19 in a laterally on Foot 20 of the guide flange 21 of a guide rail 22nd trained receiving groove 23 is inserted flush.
  • One Sensor head 24 is together with the elevator car 2 in vertical direction 8 moves.
  • a sensor 27 is arranged, which reads the coded information of the code band 19, which is then forwarded to an evaluation unit 28.
  • FIG. 3b shows a detailed view IIb of FIG Embodiment of Fig. 2b is the code tape 19 with in essential rectangular cross-section is with a metallic non-magnetic masking tape 29 to the outside pointing into a complementary receiving groove 23 of the Guide flange inserted flush.
  • a magnetic tape 30 is fixed glued to the code tape 19.
  • Fig. 3c is a third embodiment of the code carrier as Codeband 31 and its attachment to a guide rail 32nd shown.
  • the code band 31 is as in the previous described embodiments turn from a magnetic tape 33rd and with this firmly glued masking tape 34th Das Magnetic tape 33 corresponds in structure and function the Magnetic tape 14 of the embodiment shown in Fig. 3a.
  • the Masking tape 34 has a trapezoidal cross-section and protrudes symmetrically to both sides on the magnetic tape 33rd out. The side boundaries 35, 36 of the cover 34th are beveled to the magnetic tape 33 out.
  • the groove depth 37 of the receiving groove 38 is greater than the thickness 39 of the code tape 34.
  • the width 40 of the receiving groove 38 is greater than the width 41 of the magnetic tape 33, while the width 42 of the cover 34 is basically the clear width 40 of the receiving groove 38.
  • the side surfaces 43, 44 of the receiving groove 38 and the side boundaries 35, 36 of the Cover strips 34 are formed complementary to each other. in the assembled state closes the cover 34 flush with the surface of the guide rail 32 from.
  • the position of the Magnetic bands 33 is clearly connected by the fixed Masking tape 34 specified.
  • the receiving groove 38 can manufactured inexpensively with large manufacturing tolerances be, because only the side surfaces 43, 44 on easy accessible upper edge of the receiving groove 38 complementary to the side boundaries 35, 36 of the cover 34 form are.
  • the at driving elevator cab is highly stressed dynamically.
  • the foot area of the Guide flange are preprocessed by hot rolling.
  • Fig. 4a is in the foot portion 45 of the guide flange 46 along the length of the guide rail 47 a bead 48 with low-voltage transitions 49 formed.
  • the Receiving groove 50 is then machined into this bead 48 incorporated.
  • An alternative to the bead 48 embodiment without weakening the Foot area 45 provides at least the receiving groove one side to the side by a rolled-on rib limit.
  • Fig. 4b shows a receiving groove 51 with rounded Transitions of the flanks 52, 53, in the guide flange 54 is rolled.
  • the area 57 between the grooves 55, 56 is machined, e.g. Mills, and forms one planar support surface 58 for a code tape (not shown).

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

L'invention vise à déterminer la position d'une cabine d'ascenseur sur rails. A cet effet, le dispositif de détection de position comporte un porteur de code (9) présentant des marques de code de perméabilités différentes, disposé sur le rail de guidage de manière fixe sur le trajet de ladite cabine. Une lecture précise et durable des codes est mise en oeuvre par liaison fixe du porteur de code (9) à un capot amagnétique (15), les marques de code étant recouvertes vers l'extérieur au moyen d'un capot amagnétique (15). Dans un mode de réalisation avantageux, le porteur de code (9) est logé dans une rainure de réception (16) du rail de guidage de cabine (7) avec le capot amagnétique (15) dirigé vers l'extérieur. Ainsi, il est possible de mettre en oeuvre une construction simple et fiable et d'éviter par ailleurs des écarts de dilatation dépendant de la température entre le porteur de code et le rail de guidage.

Claims (9)

  1. Dispositif pour déterminer la position absolue d'une cabine d'ascenseur (2) d'une installation d'ascenseur qui est apte à circuler sur une trajectoire le long de rails de guidage (7), (22), (32), (47), avec un support de code (9) , (19), (31) qui est fixe le long de la trajectoire de la cabine (2) et qui présente en alternance dans le sens de circulation de ladite cabine (2) des repères de code successifs de perméabilités différentes, caractérisé en ce que le support de code (9), (19), (31) est relié solidement à un recouvrement non magnétique (15), (29), (34), les repères de code étant couverts par rapport à l'extérieur grâce au recouvrement non magnétique (15), (29), (34).
  2. Dispositif selon la revendication 1, caractérisé en ce que le code est couvert par rapport à l'extérieur grâce à un recouvrement métallique non magnétique (15), (29), (34).
  3. Dispositif selon la revendication 1, caractérisé en ce que le support de code (9), (19), (31) est prévu sur un rail de guidage de cabine (7), (22), (32), (47) .
  4. Dispositif selon la revendication 3, caractérisé en ce que le rail de guidage de cabine (7), (22), (32), (47) présente une rainure de réception (16), (23), (38), (50), (51) et le support de code (9), (19), (31) est inséré dans la rainure de réception (16), (23), (38), (50), (51), le support de code (9), (19), (31) inséré dans la rainure de réception (16), (23), (38), (50), (51) étant couvert par rapport à l'extérieur grâce au recouvrement non magnétique (15), (29), (34).
  5. Dispositif selon la revendication 4, caractérisé en ce que la rainure de réception (23), (38), (50), (51) est formée sur le côté d'une aile de guidage (21), (46), (54) du rail de guidage de cabine (7), (22), (32), (47).
  6. Dispositif selon la revendication 4, caractérisé en ce que la rainure de réception (16) est formée sur le côté frontal d'une aile de guidage (18) du rail de guidage de cabine (7).
  7. Dispositif selon la revendication 1, caractérisé en ce que le recouvrement non magnétique (15), (29), (34) est inséré dans la rainure de réception (19), (31) de manière à former une surface plane, côté extérieur.
  8. Dispositif selon la revendication 4, caractérisé en ce que le recouvrement est conçu comme une bande (15), (29), (34) avec des délimitations latérales (35), (36), ces délimitations latérales (35), (36), au moins, dépassant latéralement du support de code (9), (19), (31), et en ce que les surfaces latérales (43), (44) de la rainure de réception (38) et les délimitations latérales (35), (36) de la bande de recouvrement (34) ont des formes complémentaires.
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le support de code (9), (19), (31) est fixé par adhérence magnétique au rail de guidage (7), (22), (32), (47) .
EP02727141A 2001-05-31 2002-05-22 Dispositif de determination de la position d'une cabine d'ascenseur sur rails au moyen d'un porteur de code Expired - Lifetime EP1390284B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02727141A EP1390284B1 (fr) 2001-05-31 2002-05-22 Dispositif de determination de la position d'une cabine d'ascenseur sur rails au moyen d'un porteur de code

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01810528 2001-05-31
EP01810528 2001-05-31
EP02727141A EP1390284B1 (fr) 2001-05-31 2002-05-22 Dispositif de determination de la position d'une cabine d'ascenseur sur rails au moyen d'un porteur de code
PCT/CH2002/000273 WO2002096788A1 (fr) 2001-05-31 2002-05-22 Dispositif de determination de la position d'une cabine d'ascenseur sur rails au moyen d'un porteur de code

Publications (2)

Publication Number Publication Date
EP1390284A1 EP1390284A1 (fr) 2004-02-25
EP1390284B1 true EP1390284B1 (fr) 2005-11-09

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EP02727141A Expired - Lifetime EP1390284B1 (fr) 2001-05-31 2002-05-22 Dispositif de determination de la position d'une cabine d'ascenseur sur rails au moyen d'un porteur de code

Country Status (9)

Country Link
US (1) US6886667B2 (fr)
EP (1) EP1390284B1 (fr)
CN (1) CN1233543C (fr)
CA (1) CA2446419C (fr)
DE (1) DE50204874D1 (fr)
HK (1) HK1065020A1 (fr)
MY (1) MY136401A (fr)
TW (1) TWI257369B (fr)
WO (1) WO2002096788A1 (fr)

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WO2023099110A1 (fr) 2021-11-30 2023-06-08 Inventio Ag Système et procédé de détermination de la position d'une cabine d'ascenseur d'une unité d'ascenseur, la cabine d'ascenseur étant agencée de façon mobile dans une cage d'ascenseur
WO2023099106A1 (fr) 2021-11-30 2023-06-08 Inventio Ag Système et procédé de détermination de la position d'une cabine d'ascenseur d'une unité d'ascenseur, la cabine d'ascenseur étant mobile dans une cage d'ascenseur

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DE10326893A1 (de) * 2003-06-14 2004-12-30 Degussa Ag Harze auf Basis von Ketonen und Aldehyde mit verbesserten Löslichkeitseigenschaften und geringen Farbzahlen
DE10338560A1 (de) * 2003-08-22 2005-03-17 Degussa Ag Strahlenhärtbare Harze auf Basis hydrierter Keton- und Phenol-Aldehydharze und ein Verfahren zu ihrer Herstellung
DE10338561A1 (de) * 2003-08-22 2005-04-14 Degussa Ag Keton-Aldehydharze, insbesondere Cyclohexanon-Formaldehydharze mit geringem Wassergehalt und hoher thermischer Bestätigkeit und Vergilbungsbeständigkeit sowie ein Verfahren zur Herstellung und Verwendung
DE10338562A1 (de) * 2003-08-22 2005-03-17 Degussa Ag Strahlenhärtbare Harze auf Basis von Keton- und/oder Harnstoff-Aldehydharzen und ein Verfahren zu ihrer Herstellung
DE10338559A1 (de) * 2003-08-22 2005-04-14 Degussa Ag Verfahren zur Herstellung von Keton-Formaldehydharzen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023099110A1 (fr) 2021-11-30 2023-06-08 Inventio Ag Système et procédé de détermination de la position d'une cabine d'ascenseur d'une unité d'ascenseur, la cabine d'ascenseur étant agencée de façon mobile dans une cage d'ascenseur
WO2023099106A1 (fr) 2021-11-30 2023-06-08 Inventio Ag Système et procédé de détermination de la position d'une cabine d'ascenseur d'une unité d'ascenseur, la cabine d'ascenseur étant mobile dans une cage d'ascenseur

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CN1233543C (zh) 2005-12-28
CA2446419A1 (fr) 2002-12-05
TWI257369B (en) 2006-07-01
EP1390284A1 (fr) 2004-02-25
CA2446419C (fr) 2010-07-20
HK1065020A1 (en) 2005-02-08
MY136401A (en) 2008-09-30
DE50204874D1 (de) 2005-12-15
CN1512955A (zh) 2004-07-14
WO2002096788A1 (fr) 2002-12-05
US20040129504A1 (en) 2004-07-08
US6886667B2 (en) 2005-05-03

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