EP1286018B1 - Store avec un cours de vitesse angulaire d'enroulement predéterminé - Google Patents

Store avec un cours de vitesse angulaire d'enroulement predéterminé Download PDF

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Publication number
EP1286018B1
EP1286018B1 EP01118877A EP01118877A EP1286018B1 EP 1286018 B1 EP1286018 B1 EP 1286018B1 EP 01118877 A EP01118877 A EP 01118877A EP 01118877 A EP01118877 A EP 01118877A EP 1286018 B1 EP1286018 B1 EP 1286018B1
Authority
EP
European Patent Office
Prior art keywords
blind
winding shaft
gearing
film
winding
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
EP01118877A
Other languages
German (de)
English (en)
Other versions
EP1286018A1 (fr
Inventor
Manfred Dipl.-Phys. Schmidt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP01118877A priority Critical patent/EP1286018B1/fr
Priority to DE50113442T priority patent/DE50113442D1/de
Priority to AT01118877T priority patent/ATE382770T1/de
Priority to ES01118877T priority patent/ES2299452T3/es
Priority to US10/199,443 priority patent/US6672363B2/en
Publication of EP1286018A1 publication Critical patent/EP1286018A1/fr
Application granted granted Critical
Publication of EP1286018B1 publication Critical patent/EP1286018B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/44—Rollers therefor; Fastening roller blinds to rollers
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies
    • Y10T74/19884—Irregular teeth and bodies

Definitions

  • the invention relates to a roller blind with a roller blind film according to the type specified in the preamble of claim 1.
  • roller blinds with roll-up covers for windows on buildings or other openings are available in various embodiments, e.g. in the form of a roller shutter or a roller shutter known.
  • the roller blind In the basic form for vertical installation position, the roller blind consists of an upper winding shaft for winding a Rollbehanges on the winding shaft and for unwinding from the winding shaft to a film surface, wherein the free-hanging end is weighted by an end bar.
  • the Rollbehang consists of a thin, foil-like roller blind film, which has parallel to the winding shaft creases.
  • the EP 950,801 describes such a blind. These creases form a wave profile in the unwound film surface and a triangular profile in the wound film roll.
  • Further embossed Rollbe candid are from EP 0 737 795 . DE 3 045 883 . US 3,195,616 and US 5,671,387 known.
  • a wave profile is advantageous on the one hand, for example because it makes the film surface decorative, on the other hand it is problematic because it elastically springs in tension in the longitudinal direction.
  • the invention is based on the object a roller blind specified in the preamble of claim 1 type such that, while avoiding the disadvantages mentioned a uniform winding and unwinding is guaranteed.
  • the vibrations occurring during winding and unwinding of roller blind films can be explained by the interaction of the following properties of the roller blind considered here.
  • the elastic foil surface forms, together with the end bar arranged below, a spring-mass system whose resonance frequency varies with the length of the freely suspended part. If the film roll has a profile, for example a triangular profile, during spinning periodically increasing and decreasing tensile forces on the film surface transfer. These excite in agreement with the resonance frequency to vibrations.
  • control means are therefore connected upstream of the winding shaft to solve this dynamic problem, which change the rotational speed of the winding shaft so that the winding shaft per revolution has several periods with a predetermined angular velocity.
  • the possibly resulting on the winding shaft or existing non-round shapes are compensated.
  • the film surface moves evenly, vibration-free up or down.
  • the Rollo foil with creases can be made of plastic, metal or other resilient material.
  • a plastic roller blind is e.g. made of polyester with a thickness of 0.01 to 0.15 mm.
  • the creases are arranged parallel to the take-up shaft, depending on the thickness at a distance of 7 to 40 mm, and the bending angle is 120 to 180 degrees in the direction of rotation of the film roll.
  • a corresponding roller blind made of metal consists for example of stainless spring steel with a thickness of 0.005 to 0.100 mm. The distance between the creases is, depending on the thickness and elastic modulus, about 7 to 100 mm.
  • the problem mentioned at the beginning occurs when the roller blind foil is provided with creases which forms a wave profile in the foil surface and a triangular profile on the winding shaft.
  • the foil wrap in the triangular profile has approximately the shape of an equilateral triangle with rounded corners.
  • the control means vary the angular velocity inversely proportional to the effective winding radius, so that at the transition to the film surface, the tangential velocity remains constant.
  • the winding shaft on three periods, each with an angular velocity curve.
  • the ratio between minimum and maximum angular velocity is about 0.5 to 0.75.
  • the control means may in principle be designed electronically or mechanically.
  • control means between the winding shaft and the drive shaft are arranged.
  • a transmission forms the control means by having at least one control curve over which the periods are determined by the angular velocity profile.
  • control curve is provided with three curve sections, so that the winding shaft with three periods each provided with an angular velocity profile.
  • the film winding can also be quadrangular or pentagonal, for example, wherein the transmission accordingly has cams in four or five periods.
  • the transmission can be designed differently. The following embodiments will be explained using the example of a triangular film roll.
  • the transmission is designed as a drive belt drive with pulleys circulating drive belt.
  • the variation of the angular velocity is achieved by a similar to the film winding triangular profile, connected to the winding shaft pulley.
  • the control cam is thus arranged on the pulley.
  • control means may be formed as a toothed belt drive with toothed belts rotating about gears, wherein the gear wheel connected to the winding shaft has a triangular profile.
  • the control cam is thus arranged on the gear.
  • the second, connected to the drive shaft gear preferably also has a control cam, such as a triangular, ellipse or eccentric. It goes without saying that the exact shape of this cam having the control cam is designed so that the toothed belt remains evenly stretched over the revolutions.
  • the transmission can be considered a gear transmission with eccentric, elliptical or triangular gears be formed, wherein the gear shaft connected to the winding shaft is triangular.
  • the control cam is thus on the gear.
  • the reduction ratio is 3: 2
  • a triangular with an elliptical gear it is 3: 1.
  • gear connected to the drive shaft may also be elliptical or eccentric, such as to achieve a reduction of 3: 2 or 3: 1.
  • the transmission may also include one or two universal joints. It is exploited that universal joints, whose waves bend at an angle, the angular velocity vary twice per one sine function per revolution. Since three periods per revolution are needed to compensate for the triangular film roll with a roller blind film with creases, a transmission with a reduction ratio of 3: 2 is arranged between the universal joint and the winding shaft.
  • the drive shaft is coupled directly to the winding shaft.
  • the control means forms an electronic speed control of the roller blind drive the control means by this determines the angular velocity over the periods.
  • Suitable electronic speed controllers which also include sensors for measuring angles of rotation and speeds, are known to the person skilled in the art.
  • the basic speed is switchable in two or more speed levels.
  • the electronic speed control is switchable in at least two speed profiles per revolution. With a signal generator for switching between the velocity profiles, the switching signal is generated for a certain length of the unwound film surface. In this way, the resonance case, which indeed varies with the length of the unwinding or winding film surface, can be skipped by changing the basic speed.
  • a roller blind is shown with a winding shaft 1 for winding a roller blind foil to a film winding 2 and for unwinding to a film surface 3, at the movable end of an end bar 4 is arranged.
  • roller blind foil creases 5 are introduced, which extend parallel to the winding shaft 1.
  • a roller blind drive M is formed by an electric motor whose drive shaft 6 acts on the winding shaft 1 via a gear R.
  • the transmission R is interposed between the drive shaft 6 and the winding shaft 1 and formed in the embodiment shown here as a gear transmission. This gear transmission will be explained below with reference to FIG. 5 in more detail.
  • Fig. 2 the blind of Fig. 1 is shown in the side cross-section. Due to the crease embossments 5, the roller blind foil winds to a film winding 2 with triangular profile, and the freely hanging film surface 3 forms a wave profile. The film surface 3 elastically springs in the longitudinal direction due to the wave profile and forms together with the end bar 4 a vibratory spring-mass system. As the film roll 2 turns, the triangular profile causes periodically varying tensile forces, which lead to vibrations in the case of resonance.
  • the transmission is shown as a belt transmission with circulating belt T0.
  • the driving pulley T1 is circular, and the pulley T2 coupled to the winding shaft 1 has a control cam in the form of a triangular profile, which is approximately similar to that of the film winding. This achieves a changing angular velocity in three periods per revolution.
  • the transmission is shown in the form of a toothed belt transmission with circulating toothed belt R0.
  • the two gears R1 and R2 are designed in this embodiment with a control cam as a triangular profile, although only the coupled to the winding shaft 1 gear R2 must be triangular.
  • the other driving toothed disc R1 can also be designed eccentrically or elliptically, for example in order to achieve a reduction ratio of 3: 1 or 3: 2.
  • Fig. 5 shows a further transmission in the form of a gear transmission with arranged in a row gears Z1, Z2 and Z3.
  • Gear Z1 is provided with a cam, which is designed elliptical in this embodiment, so that at the same time a reduction of 3: 2 is achieved in addition to the changing angular velocity.
  • the series shown with three gears Z1, Z2 and Z3 can of course be extended by further each having a triangular cam having gears, as to bridge a large distance between the drive shaft 6 and winding shaft 1.
  • Fig. 6 shows a further embodiment of a transmission with universal joints X1 and X2 for generating a changing angular velocity.
  • the shaft 7 is arranged at a certain angle to the drive shaft 6, whereby at both universal joints X1 and X2, the angular velocity varies in a sine curve twice per revolution.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Pinball Game Machines (AREA)

Claims (14)

  1. Store avec une feuille mince de store, avec un axe d'enroulement (1) pour enrouler la feuille mince de store sur ledit arbre d'enroulement (1) en un rouleau de feuille mince (2) et pour dérouler la feuille mince de store à partir dudit axe d'enroulement (1) en une surface de feuille mince (3), et avec un entraînement de store (M), caractérisé en ce que des moyens de commande (R) de l'axe d'enroulement (1) modifiant la vitesse de rotation de l'axe d'enroulement de sorte que l'axe d'enroulement (1) présente plusieurs périodes avec une allure prédéterminée des vitesses angulaires par tour sont montés en amont.
  2. Store selon la revendication 1, caractérisé en ce que la feuille mince de store est munie de gaufrages de pliage (5), qui dans la surface de feuille mince (3) forment un profil ondulé et sur l'axe d'enroulement (1) forment un profil à trois arêtes.
  3. Store selon la revendication 2, caractérisé en ce que la feuille mince de store est en polyester, d'une épaisseur de 0.010 à 0.150 mm et en ce que l'écart entre les gaufrages de pliage (5) est de 7 à 40 mm.
  4. Store selon la revendication 2, caractérisé en ce que le film mince de store est en métal d'une épaisseur de 0.005 à 0.100 mm et en ce que l'écart entre les gaufrages de pliage (7) est de 7 à 100 mm.
  5. Store selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les moyens de commande (R) présentent trois périodes avec chacune une allure des vitesses angulaires de l'axe d'enroulement (1) à l'enroulement et au déroulement.
  6. Store selon l'une quelconque des revendications précédentes, caractérisé en ce que l'allure des vitesses angulaires est identique dans chaque période.
  7. Store avec une transmission intercalée entre l'axe d'enroulement (1) et l'entraînement du store (M) selon la revendication 1, caractérisé en ce que la transmission forme le moyen de commande (R) en ce qu'elle comporte au moins une came de commande, par l'intermédiaire de laquelle les périodes avec l'allure des vitesses angulaires sont fixées.
  8. Store selon l'une quelconque des revendications 2 à 7, caractérisé en ce que la transmission (R) est conçue sous la forme d'une transmission à courroie de commande et en ce que la came de commande est disposée sur une poulie (T2).
  9. Store selon l'une quelconque des revendications 2 à 7, caractérisé en ce que la transmission (R) est conçue sous la forme d'une transmission à courroie dentée, et en ce que la came de commande est disposée sur au moins une roue dentée (R1, R2).
  10. Store selon l'une quelconque des revendications 2 à 7, caractérisé en ce que la transmission (R) est conçue sous la forme d'une transmission par engrenages et en ce que la came de commande est disposée sur au moins une roue dentée (Z1, Z2, Z3).
  11. Store selon la revendication 10, caractérisé en ce que la transmission par engrenages comprend trois roue dentées (Z1, Z2, Z3) ou plus, avec des cames de commande, la première roue dentée (Z1) couplée sur l'axe d'entraînement (6) étant conçue sous forme triangulaire, elliptique ou excentrique et la deuxième roue dentée (Z2) ainsi que les autres roues dentées (Z3) étant toutes conçues sous forme sensiblement triangulaire.
  12. Store selon l'une quelconque des revendications 2 à 11, caractérisé en ce que la transmission (R) comprend un ou plusieurs joints de Cardan (X1, X2) avec des axes (6, 7) rompus sous des angles prédéfinis.
  13. Store selon l'une quelconque des revendications précédentes,
    caractérisé en ce que les moyens de commande (R) sont formés par un moteur électrique (M) avec un réglage de vitesse électronique.
  14. Store selon la revendication 13, caractérisé en ce que le réglage de vitesse électronique est commutable dans au moins deux profils de vitesses par tour, et en ce qu'il est muni d'un transmetteur de signaux pour la commutation entre les profils de vitesses, le transmetteur de signaux générant le signal de commutation, à une longueur déterminée de la surface déroulement de feuille mince.
EP01118877A 2001-08-16 2001-08-16 Store avec un cours de vitesse angulaire d'enroulement predéterminé Expired - Lifetime EP1286018B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01118877A EP1286018B1 (fr) 2001-08-16 2001-08-16 Store avec un cours de vitesse angulaire d'enroulement predéterminé
DE50113442T DE50113442D1 (de) 2001-08-16 2001-08-16 Rollo mit einem vorbestimmten Winkelgeschwindigkeitsverlauf
AT01118877T ATE382770T1 (de) 2001-08-16 2001-08-16 Rollo mit einem vorbestimmten winkelgeschwindigkeitsverlauf
ES01118877T ES2299452T3 (es) 2001-08-16 2001-08-16 Cortina enrollable con un desarollo de velocidad angular predeterminado.
US10/199,443 US6672363B2 (en) 2001-08-16 2002-07-19 Window shade with a shade panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01118877A EP1286018B1 (fr) 2001-08-16 2001-08-16 Store avec un cours de vitesse angulaire d'enroulement predéterminé

Publications (2)

Publication Number Publication Date
EP1286018A1 EP1286018A1 (fr) 2003-02-26
EP1286018B1 true EP1286018B1 (fr) 2008-01-02

Family

ID=8178246

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01118877A Expired - Lifetime EP1286018B1 (fr) 2001-08-16 2001-08-16 Store avec un cours de vitesse angulaire d'enroulement predéterminé

Country Status (5)

Country Link
US (1) US6672363B2 (fr)
EP (1) EP1286018B1 (fr)
AT (1) ATE382770T1 (fr)
DE (1) DE50113442D1 (fr)
ES (1) ES2299452T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6591890B1 (en) * 2001-07-19 2003-07-15 Clear View Products, Inc. Speed reducer for retractable screen systems
US7281565B2 (en) * 2004-02-09 2007-10-16 Lutron Electronics Co., Inc. System for controlling roller tube rotational speed for constant linear shade speed
US20060232233A1 (en) 2005-04-01 2006-10-19 Adams Jason O Drive assembly for a motorized roller tube system
US20060232234A1 (en) * 2005-04-01 2006-10-19 Newman Robert C Jr Motorized roller tube system having dual-mode operation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874611A (en) * 1954-08-13 1959-02-24 Luboshez Sergius N Ferris Combined heat reflector and light transmitter structure
US3195616A (en) * 1962-06-01 1965-07-20 Russell E Taber Corrugated, multi-convoluted selfrecoiling sheet
DE3045883A1 (de) * 1980-12-05 1982-07-08 Fa. Johann Henkenjohann, 4837 Verl Jalousie
JPH02271143A (ja) * 1989-04-11 1990-11-06 Mitsubishi Electric Corp 非円形歯車対
JPH03145954A (ja) * 1989-11-01 1991-06-21 Toshiba Corp 回転電機の巻線装置
US5467266A (en) * 1991-09-03 1995-11-14 Lutron Electronics Co., Inc. Motor-operated window cover
DE19514019C2 (de) * 1995-04-13 1997-02-13 Schmidt Manfred Rollo-Folie und Herstellverfahren
DE19601300C2 (de) * 1996-01-16 2003-04-17 Ver Deutscher Werkzeugmaschine Antriebseinrichtung für eine Umformmaschine
DE19816175A1 (de) 1998-04-14 1999-10-21 Degussa Verfahren zur Überprüfung der Funktionstüchtigkeit eines Stickoxid-Speicherkatalysators
DE10009808A1 (de) * 2000-03-01 2001-09-06 Schumag Ag Antrieb für eine Ziehmaschine

Also Published As

Publication number Publication date
US20030051828A1 (en) 2003-03-20
US6672363B2 (en) 2004-01-06
EP1286018A1 (fr) 2003-02-26
ES2299452T3 (es) 2008-06-01
DE50113442D1 (de) 2008-02-14
ATE382770T1 (de) 2008-01-15

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