EP1504168A1 - Mecanisme de commande a moteur electrique - Google Patents

Mecanisme de commande a moteur electrique

Info

Publication number
EP1504168A1
EP1504168A1 EP03727391A EP03727391A EP1504168A1 EP 1504168 A1 EP1504168 A1 EP 1504168A1 EP 03727391 A EP03727391 A EP 03727391A EP 03727391 A EP03727391 A EP 03727391A EP 1504168 A1 EP1504168 A1 EP 1504168A1
Authority
EP
European Patent Office
Prior art keywords
wrap spring
electromotive actuator
manual adjustment
adjustment shaft
control part
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.)
Withdrawn
Application number
EP03727391A
Other languages
German (de)
English (en)
Inventor
Kurt Schunke
Bernd Buchholz
Dieter Palm
Gerhard Bruns
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.)
Elodrive Stellantriebstechnik GmbH
Original Assignee
RK Rose and Krieger GmbH and Co KG Verbindungs und Positioniersysteme
RK Rose and Krieger GmbH and Co KG
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 RK Rose and Krieger GmbH and Co KG Verbindungs und Positioniersysteme, RK Rose and Krieger GmbH and Co KG filed Critical RK Rose and Krieger GmbH and Co KG Verbindungs und Positioniersysteme
Publication of EP1504168A1 publication Critical patent/EP1504168A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • 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
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19647—Parallel axes or shafts

Definitions

  • the invention relates to an electromotive actuator, preferably for actuators to be pivoted, with a drive motor and with a drive train equipped with an output member with at least one gear stage for speed reduction, and with a rotatable manual adjustment shaft for adjusting the output member of the actuator and / or the actuator coupled thereto.
  • the electromotive actuators in question are used for adjusting mechanical actuators in a wide variety of designs, but flaps in heating, ventilation and air conditioning technology are preferably driven in a controlled manner.
  • Actuators are relatively high, the speed of the actuators to be driven or the speed of the output members are relatively low, so that several gear stages reducing the speed are also necessary.
  • the individual gear stages usually consist of two gears with an extremely large ratio of the number of teeth.
  • the actuators are equipped with a return spring element which, for example in the event of a power failure, moves the actuator connected to the actuator into a specific position.
  • the drive motors are usually assigned brakes which are designed such that they cause the drive train to lock when the motor is at a standstill, but are brought into a release position when the motor starts.
  • the drives must be equipped with a manual adjustment shaft so that the output element and / or the actuator connected to it can be fitted into at least one certain end position can be moved, which should preferably be started with the drive motor switched on.
  • the previously known actuators are equipped with a crank.
  • Actuators of this type have proven themselves in practice, but it is perceived as a disadvantage that they are not completely self-locking and, accordingly, are not 100 percent self-locking.
  • the invention is based on the object of designing an electromotive actuator of the type described in the introduction in such a way that at least one region of the output train associated with the output member is secured against reverse travel.
  • one of the gear stages is equipped with a braking element in such a way that the part of the drive train leading from this gear stage to the output member is blocked against reverse travel, and that the
  • Manual adjustment shaft is freely rotatable in both directions of rotation.
  • the solution according to the invention couples the area on the drive side and the area on the output side of the drive train to one another by means of the wrap spring.
  • This acts like a self-locking brake, so that a reverse is effectively prevented.
  • the output-side section of the drive train is now secured against reverse travel, although the manual adjustment shaft can be rotated in both directions, or the output member or the adjustment element connected to it can be brought into the desired position.
  • An expandable wrap spring having multiple turns is preferably used as the braking element.
  • the wrap spring is designed so that self-locking is generated in one direction and manual adjustment can be carried out in the other direction within the drive train.
  • wrap spring is rotatably mounted in a bushing and that an inner control part engages in the wrap spring, which can be coupled with at least one angled end, but preferably with both ends of the wrap spring, in such a way that in one direction of rotation the Wrap spring is expandable.
  • the wrap spring In normal operation, ie when driving by means of the drive motor, the wrap spring also rotates and acts as a coupling element between the two areas of the entire drive train. So- as soon as the engine is switched off, the wrap spring is expanded via the engaging control part and acts as a brake. For this purpose, it is designed so that it holds the acting load.
  • the control part can be rotated by means of the manual adjustment shaft, so that an adjustment of the output element of the drive train or of the connected actuator is possible.
  • a simple, reliable design of the inner control part engaging in the wrap spring is provided if it is segment-shaped. Gaps then arise between the individual segments, into which the angled ends of the wrap spring can engage.
  • the wrap spring is expanded so that the effect as a braking element is fully given.
  • the manual adjustment shaft is expediently positively connected to the outer control part engaging in the wrap spring. When the drive motor is switched on, however, the manual adjustment shaft is also rotated.
  • the manual adjustment shaft can be turned in both directions.
  • This form fit is particularly simple when the outer control part has a form-fitting contour and that a correspondingly designed shoulder of the manual adjustment shaft engages in an opening.
  • the wrap spring it is provided that it is rotatably mounted in a bush surrounding it. In the one engaging in the wrap spring
  • Control section intervenes yet another control section.
  • the manual adjustment shaft is mounted in this control section.
  • This manual adjustment shaft extends over the entire height of the drive and a pinion is rotatably mounted on the inner control part, which meshes with another gear.
  • This gearwheel lies within the area of the drive train which is assigned to the output member.
  • Figure 1 shows an electromotive actuator according to the invention in a perspective view with partially cut open housing
  • Figure 2 is a representation corresponding to Figure 1, but from a perspective, also showing the underside of the housing.
  • the electromotive actuator 10 shown in FIGS. 1 and 2 has a cuboid housing 11 in which a drive train (not explained in more detail) driven by a partially visible drive motor 12 is mounted.
  • the output member 13 of the drive train is a bushing which extends over the entire height and which is provided with internal teeth at least in the two end regions.
  • the electromotive actuator 10 is designed such that an end region of the output member 13 can optionally be used for coupling with the actuator, not shown.
  • the central longitudinal axes of the socket-shaped output member 13 of the manual adjustment shaft 14 and the drive motor 12 are parallel and at a distance from one another. In the transverse walls of the housing 11, the end regions of the manual adjustment shaft 14 are mounted.
  • the upper end of the manual adjustment shaft 14 is provided with a hexagon socket in order to turn the manual adjustment shaft 14 with a key when the motor 12 is at a standstill.
  • the manual adjustment shaft 14 is functionally assigned a brake member in the form of a wrap spring 16 which is rotatably mounted in a bushing 17.
  • the socket 17 is firmly connected to a gear carrier 18.
  • a control part engages in the wrap spring 16 and is rotated while the drive motor 12 is running.
  • the control part is designed such that the wrap spring 16 is carried along when the drive motor 12 is running. As soon as the drive motor 12 is switched off, the forces acting on the output member 13 cause a return.
  • the wrap spring 16 is widened by the assigned inner control part 22 and acts as a braking element, so that the return is prevented.
  • a further external control element 23 engages in the control part in a manner not shown.
  • a pinion 19 is non-rotatably mounted on the manual adjustment shaft 14 and is set in rotation by a gear (not shown) while the drive motor 12 is running.
  • the pinion 19 is in engagement with another gear 20 which drives the output member 13.
  • a toothed segment 21 is placed on the socket-shaped output member 13, which is in operative connection with the actuator.
  • the wrap spring 16 which acts as a braking element, prevents the entire drive train from reversing when the drive motor 12 is switched off.
  • the control element is decoupled from the wrap spring 16, the manual adjustment shaft 14 can be rotated in both directions without any problems, so that, for example, a basic setting of the the output member 13 coupled actuator is possible.
  • the invention is not restricted to the exemplary embodiment shown. It is essential that the drive train, which is not designed to be self-locking, remains in the respective position when the drive motor is switched off, but that an adjustment of the output member 13 or of the actuator coupled thereto is possible by rotating the manual adjustment shaft 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Braking Arrangements (AREA)
  • Gear Transmission (AREA)

Abstract

L'invention concerne un mécanisme de commande à moteur électrique, pourvu d'un moteur d'entraînement et d'un train d'entraînement comportant un élément de sortie, ledit train d'entraînement présentant au moins un étage destiné à réduire le régime moteur. Le mécanisme selon l'invention comporte par ailleurs un arbre à commande manuelle rotatif destiné à régler l'élément de sortie du train d'entraînement. L'invention vise à mettre en oeuvre un tel mécanisme de commande dont au moins le train d'entraînement situé entre l'arbre à commande manuelle et l'élément de sortie est autobloquant. Selon l'invention, un des étages de transmission comporte un élément de freinage (16) de manière que la partie du train d'entraînement s'étendant de cet étage de transmission vers l'élément de sortie (13) est bloqué contre le retour, l'arbre à commande manuelle (14) pouvant toutefois tourner librement dans les deux sens. Ledit élément de freinage se présente sous la forme d'un ressort enroulé (16) logé rotativement dans une douille (17), et ledit ressort enroulé (16) saisit une partie de commande intérieure (22) couplée aux deux extrémités coudées du ressort enroulé de manière que ledit ressort enroulé (16) peut être écarté dans un sens de rotation de manière à créer un effet de freinage. Ledit mécanisme de commande à moteur électrique est particulièrement destiné au domaine du chauffage, de la ventilation et de la climatisation.
EP03727391A 2002-05-13 2003-04-29 Mecanisme de commande a moteur electrique Withdrawn EP1504168A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20207519U DE20207519U1 (de) 2002-05-13 2002-05-13 Elektromotorischer Stellantrieb
DE20207519U 2002-05-13
PCT/EP2003/004443 WO2003095782A1 (fr) 2002-05-13 2003-04-29 Mecanisme de commande a moteur electrique

Publications (1)

Publication Number Publication Date
EP1504168A1 true EP1504168A1 (fr) 2005-02-09

Family

ID=7971114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03727391A Withdrawn EP1504168A1 (fr) 2002-05-13 2003-04-29 Mecanisme de commande a moteur electrique

Country Status (5)

Country Link
US (1) US7143664B2 (fr)
EP (1) EP1504168A1 (fr)
AU (1) AU2003233195A1 (fr)
DE (1) DE20207519U1 (fr)
WO (1) WO2003095782A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10328228C5 (de) * 2003-05-09 2020-04-23 Sew-Eurodrive Gmbh & Co Kg Kompaktantrieb
BRPI0409775B1 (pt) 2003-05-09 2020-12-01 Sew-Eurodrive Gmbh & Co. Kg acionamento compacto
WO2005048435A1 (fr) 2003-11-13 2005-05-26 Sew-Eurodrive Gmbh & Co. Kg Entrainement compact
DE102005063000A1 (de) * 2005-12-30 2007-07-12 Dewert Antriebs- Und Systemtechnik Gmbh Elektromotorischer Linearantrieb
DE202006000966U1 (de) * 2006-01-20 2006-03-30 Elodrive Gmbh Stellantriebstechnik Elektromotorischer Stellantrieb
EP2059994A1 (fr) * 2006-09-06 2009-05-20 Elodrive Gmbh Mecanisme de commande electromotorise
AT513756B1 (de) * 2013-04-05 2014-07-15 Blum Gmbh Julius Möbelantrieb
DE102013105963A1 (de) * 2013-06-07 2014-12-24 Minebea Co., Ltd. Wellendichtung
US9698650B2 (en) * 2014-06-02 2017-07-04 Regal Beloit America, Inc. Electric device, gearbox and associated method
CN107429849A (zh) 2014-12-15 2017-12-01 贝利莫控股公司 控制装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3118634C2 (de) * 1981-05-11 1984-03-08 Bayerische Motoren Werke AG, 8000 München Verstellantrieb mit Schlingfederbremselement in einem Kraftfahrzeug, insbesondere für einen Fensterheber
US6003837A (en) * 1996-02-20 1999-12-21 Bray International, Inc. Valve actuator
US6129337A (en) * 1999-09-15 2000-10-10 Wu; Chiou-Mei Valve actuating device
DE20107324U1 (de) * 2001-04-27 2001-06-28 Rose & Krieger Gmbh Co Kg Verstellantrieb
DE20107326U1 (de) * 2001-04-27 2001-06-28 Rose & Krieger Gmbh Co Kg Elektromotorische Verstelleinrichtung
DE10120832B4 (de) * 2001-04-27 2006-03-02 Rk Rose + Krieger Gmbh & Co Kg Verbindungs- Und Positioniersysteme Elektromotorischer Stelltrieb
US6755284B2 (en) * 2001-05-24 2004-06-29 Ventra Group Inc. Electrically driven parking brake actuation assembly
US6725976B2 (en) * 2002-03-20 2004-04-27 Invensys Building Systems Inc. Manual override and locking mechanism and actuator including same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03095782A1 *

Also Published As

Publication number Publication date
US7143664B2 (en) 2006-12-05
US20050139027A1 (en) 2005-06-30
AU2003233195A1 (en) 2003-11-11
WO2003095782A1 (fr) 2003-11-20
DE20207519U1 (de) 2002-07-25

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Inventor name: BRUNS, GERHARD

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Inventor name: SCHUNKE, KURT

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