EP2870388B1 - Actionneur ainsi que procédé et dispositif d'assemblage d'éléments de boîtier d'un actionneur - Google Patents

Actionneur ainsi que procédé et dispositif d'assemblage d'éléments de boîtier d'un actionneur Download PDF

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Publication number
EP2870388B1
EP2870388B1 EP13736826.2A EP13736826A EP2870388B1 EP 2870388 B1 EP2870388 B1 EP 2870388B1 EP 13736826 A EP13736826 A EP 13736826A EP 2870388 B1 EP2870388 B1 EP 2870388B1
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EP
European Patent Office
Prior art keywords
housing element
membrane
housing
symmetry
axis
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EP13736826.2A
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German (de)
English (en)
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EP2870388A1 (fr
Inventor
Florian Ruebsam
Jan VAHALIK
Jürgen Schrepfer
Franz Josef Brulin
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Woco Industrietechnik GmbH
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Woco Industrietechnik GmbH
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Publication of EP2870388A1 publication Critical patent/EP2870388A1/fr
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring

Definitions

  • the present invention relates to a pneumatic actuator according to the preamble of patent claim 1, and a method for connecting at least a first housing element and at least one second housing element of a control can of a pneumatic actuator.
  • FIG. 1a Fig. 3 is a cross-sectional view of such an actuator 1 known in the prior art.
  • a cover 3 of the actuator 1 is connected by means of a flange 5 with a housing 7.
  • FIG. 1b is an enlargement according to the detail A in FIG. 1a during a beading process while in the Figures 1c and 1d in each case a view according to the detail A of FIG. 1a is shown.
  • FIG. 1b is at a junction of the lid 3 with the housing 7 of the actuator 1, a membrane 9 at least partially disposed between the lid 3 and the housing 7.
  • a membrane 9 at least partially disposed between the lid 3 and the housing 7.
  • the lid 3 After inserting the membrane 9 in the housing 7, the lid 3 in the in FIG. 1b shown manner and then by means of a crimp ring 11 which is driven by a hydraulic press, not shown, formed on the housing 7 flanging tab 13 for producing the in the Figure 1c shown flanging 5 deformed.
  • a force between the crimp ring 11 and a crimping pad 15 is constructed and the Beading ring 11 as long as in the direction of the flare die 15 moves until the flaring ring 11 rests on an encompassed by the flanging end stop 17.
  • the known from the prior art actuator has the disadvantage that a defined Membranverpressung between the cover 3 and housing 7 is not possible, since this is determined unpredictable exclusively by the Umlege- or crimping process of the housing edge or the flanging tab 13.
  • the membrane compression in the flare composite is so undefined that, despite a defined flanged edge height or flanged flap height and defined travel of the flanged ring 11, it can not be determined exactly in advance and can not be reproduced sufficiently in the manufacturing process of the actuator. For example, it may lead to mispositioning of the membrane, as in Figure 1d is shown, come.
  • the membrane compressions vary, so that an ideal compression is not reproducible adjustable.
  • the membrane compression is different depending on the geometry of the flanging tab, the size of the material pairing cover / housing, the geometry of the flanging area or the respective material batches of the housing areas or the membrane.
  • identical elements are in particular process fluctuations.
  • the built-up forces and thus the final geometry of the actuator due to wear, for example, the crimping device, or varying frictional forces vary, for example, at different greasings of moving parts.
  • the housing for example, straight or oblique bearing surfaces, with depressions, radii, etc.
  • the lid for example, straight or oblique bearing surfaces, undercuts, depressions or radii, or for the membrane 9, in particular a Membranwulst 19, for example, a wedge shape or straight surfaces or to form grooves or different bead shapes. All these parameters strongly influence the compression of the Membrane through the bonding process, in particular a Umlege perspectives a housing edge during a flanging.
  • connection method known from the prior art does not make it possible to control or overgrow the correct position of the membrane, in particular of a membrane area, such as a circumferential thickening or bulge, before, during and after the connection process.
  • connection process known from the prior art necessitates the use of maintenance, work space and cost intensive and comparatively environmentally polluting hydraulic presses for driving the crimp ring, in order to build up sufficient forces for deformation of the crimping lug or for adequate membrane crimping.
  • a servomotor for the pneumatic actuation of actuators in motor vehicles known.
  • This servomotor has a cup-shaped housing part and a second housing part. These can be connected to each other via a snap hook.
  • a rubber membrane is placed and pressed between the housing parts.
  • a centering element is provided in the region of a depression for receiving a sealing bead of the rubber membrane.
  • this compound also has the disadvantage that it leads to excessive compression of the membrane and thus to a deterioration of the structure the membrane can come, which can lead to an immediate or a later cracking in the rubber membrane.
  • a linear sensor is used in particular in an adjusting device which has a pneumatic actuator. It is provided that a membrane covered by a pressure plate is held on the edge side in a housing. To achieve this holding of the membrane, it is provided that a housing is connected by means of a flanging to a further housing component, wherein the membrane is arranged in an intermediate region between the housing and the housing component. Also for this connection of the housing with the housing component, the use of very strong and costly presses is necessary due to the necessary large forces. Cost-benefit aspects usually require the use of hydraulic presses.
  • the US 2006/102232 A1 an anti-icing actuator assembly for a pneumatic valve.
  • the valve includes a first actuator coupled to the valve for causing the valve to move between an open and closed position in a first mode of operation and a second actuator coupled to the valve for opening the valve in a second mode of operation ,
  • the pump comprises a diaphragm which is clamped between housing elements.
  • the invention is thus based on the surprising finding that an abutment or abutment element for a first housing element is formed integrally in the actuator itself, in particular in a second housing element, this abutment element being arranged in a region of the second housing element is outside a range in which a connecting force is established by means of a connecting device, a defined membrane compression between the first housing element and the second housing element can be achieved.
  • the connecting portion does not cover the entire circumference of the first housing member, reliable monitoring of proper seating of the diaphragm or a diaphragm portion such as a diaphragm bead in the connecting portion can be achieved during the performance of a connection method or the second housing element so that a lower connection force must be constructed when using a connection by a flanging drive means in the form of pneumatic or electric motor drive means or presses are used.
  • a defined distance between these two housing elements is ensured, which in turn defines the compression of the membrane or of a region of the membrane, such as a membrane bead, in the clamping dressing or connection assembly. Due to the fact that the stop element is arranged outside the connection region, that is to say outside the region in which a connection force is built up directly via the connection device, impairment of the stop element, in particular deformation thereof, for example during the build-up of a force to achieve a bead, is achieved. avoided.
  • a stop element in the context of the invention is thus understood in particular an element by means of which the first housing element and the second housing element are in contact when the housing elements are connected together, so that after the connection, a direct adhesion between the housing elements by the direct contact this is achieved in the region of the stop element.
  • This construction of the actuator makes it possible in particular during a connection process in a first step in the second housing element, the membrane is arranged and then the first housing member is placed on the second housing member and the membrane that the first housing member at least partially with the membrane in Contact is coming. In a subsequent step, the first and the second housing element including the membrane are then compressed with a force-path monitored hold-down device until a fixed stop, that is a contact of the stop element of the second housing element with the first housing element.
  • a deviation of the position of the membrane, in particular a membrane region, such as a Membranwulst detected become.
  • the path characteristic is taken up from the point at which the membrane first comes into contact with the first housing element.
  • the force-displacement characteristic of the hold-down movement of the first and second housing element is recorded and evaluated. This evaluation is carried out in particular by a comparison with a, in particular an OK position of the membrane corresponding, desired characteristic.
  • the membrane or the membrane region is arranged at at least one location outside the predetermined position, for example if the membrane or membrane bead is displaced in a radial direction of an axis of symmetry of the first housing element or of the second housing element, then from the first Contact between the membrane and the first housing element recorded an early, but slower force increase, since corresponding elements of the first housing element, such as a clamping element, although earlier with come into contact with the membrane and so compared to a compression in a correct positioning of the membrane, which is referred to as the iO-layer, after a shorter distance during the movement process between the first housing member and the second housing member, the membrane is pressed.
  • This niO layer can also be detected in particular by the fact that a total path or a total distance increases up to a contact between the stop element and the first housing element.
  • connection force is not built up in the region of the stop element, since the stop element is arranged outside the connection region, a change in the position of the membrane or a distance between the first housing element and the second housing element after reaching the hold-down position is avoided and so the defined position of the diaphragm, the first housing member and the second housing member is ensured relative to each other.
  • both the hold-down device and the connecting device are driven by means of one and the same drive device, such as a pneumatic drive device or an electromotive drive device.
  • a pneumatic drive device or an electromotive drive device such as a pneumatic drive device or an electromotive drive device.
  • the hold-down process can then be ended and the actuator removed.
  • the inspection of the seat of the membrane thus takes place during the manufacturing process, so that the cycle times can be increased in comparison to additional quality inspection steps.
  • the second housing element has a "crown-like" profile of the outer periphery. This allows the recesses in the crown profile to form corresponding stop members, while the tips of the crown profile form the flanging tabs.
  • extensions formed on the outer circumference of the first housing element can then be received in order to achieve the defined position between the first housing element and the second housing element when holding down the first housing element, in particular to establish contact between the first housing element and the stop element ,
  • the flanged tabs which are arranged in the region between the extensions on the circumference of the first housing element, can then be folded to achieve the flanging, in particular be folded around a radially outwardly extending edge region of the first housing element.
  • the ratio of the width of the crown tips to the width of the stop elements is preferably less than 1: 1 in order to achieve the greatest possible reduction in the force necessary for the deformation or flanging.
  • the stop element is arranged on a peripheral edge of the second housing element, whereby the influence of the structure of the connecting force, in particular during a flanging, is reduced to the stop element, in particular in comparison to a radially further inward in the housing element arranged stop element.
  • this arrangement of the stop element reduces the space required for the connection space.
  • a larger holding period is to be provided.
  • the advantage of the inventive design of the actuator, the method and the device is, inter alia, that the risk that the membrane or a membrane region, such as a membrane bead, is not pressed correctly in a clamping area and thereby during operation of the Control can slip out, is minimized.
  • This makes it possible for the hitherto known connection method with a preceding pre-mastering and various queries and tests of the individual components to be converted into a fully automatic process.
  • queries and tests do not provide 100% security. They only deliver Indications that a niO situation could exist and not all niO layers can be detected.
  • the method according to the invention enables a 100% appointment of the niO layers.
  • a spring installation space of a spring of the actuator and a total stroke of the actuator can be better defined already in the design phase, since the more accurate compression of the membrane is known.
  • a better spring design and thus an improved characteristic calculation can be made possible.
  • the individual parts used in the method according to the invention, in particular the first housing element, the second housing element and the membrane can finally be used in comparison to known from the prior art actuators, apart from the formation of the stop elements and adjustment of the tools without significant structural adjustment ,
  • the actuator may be designed as a vacuum or overpressure actuator.
  • FIG. 2 an actuator 101 according to the invention or control box, which comprises a first housing element in the form of a cover 103 and a second housing element in the form of a housing 107, is shown.
  • the first housing element 103 has an axis of symmetry S 1 and the second housing element 107 has a second axis of symmetry S 2 .
  • Both the cover 103 and the housing 107 are rotationally symmetrical to the symmetry axis S 1 or symmetry axis S 2 is formed.
  • the lid 103 and the housing 107 are connected to each other via a connecting device in the form of a flanging 105.
  • FIG. 3 is a detailed view of the bead 105 according to the detail B in FIG. 2 shown.
  • 107 stop members 111 are formed in the region of the bead 105 on the second housing member.
  • the stop elements 111 are formed by depressions in a crown profile, wherein flanged tabs 113 are formed by the tips of the crown profile. Between the individual flanging tabs 113, extensions 115 of the first housing element 103 which are in direct contact with the stop elements 111 are arranged.
  • the stopper members 111 are disposed outside a connecting portion 114, that is, outside of a range in which a connecting force between the first housing member 103 and the second housing member 107 by the flanged tabs 113, in particular a deformation thereof, is constructed. This ensures that a defined distance between the first housing element 103 and the second housing element 107 is set, as described in more detail below.
  • FIG. 3 can further be found, extend the extensions 115 in a radial direction with respect to the axis of symmetry S 1 and symmetry axis S 2 while the flanged tabs 113 along an axial direction of the axis of symmetry S 1 and S 2 , in particular before a flanging extend.
  • FIG. 3 It can also be seen that the stop elements 111 and the extensions 115 have a width b 1 , while the flanged tabs 113 have a width b 2 .
  • the ratio b 2 : b 1 is preferably less than 1: 1, particularly preferably 1: 2.
  • the width b 1 may be 10 mm, while the width b 2 is 5 mm, for example, when the actuator 101 has a diameter of 100 mm.
  • This ratio offers the advantage that comparatively small forces have to be built up for a deformation of the flanging tabs 113 during a beading, but at the same time the flanged tabs 113 have sufficient stability so as not to be deformed by unwanted external influences.
  • the width b 2 is reduced to 2 to 3 mm and the width b 1 is increased to 17 to 18 mm.
  • FIG. 4 is a cross-sectional view of the section C of FIG. 2 from direction R of FIG. 3 shown.
  • a membrane 109 is clamped between the housing member 103 and the housing member 107.
  • solid lines is in FIG. 4 illustrated the actuator 101 in a state in which the membranes 109 has been inserted into the housing 107 and the housing element 103 of the in dashed lines in FIG. 4 shown position by means of a hold-down device, not shown in the direction of the housing 107 and the diaphragm 109 in the solid lines in FIG. 4 shown position has been moved until the extension 115 rests on the stop member 111.
  • the diaphragm 109 was clamped between the lid 103 and the housing 107, in particular between the housing 107 and a clamping member 117 which is formed on the lid 103.
  • the membrane 109 is clamped in a membrane region in the form of a membrane bead 119 between the cover 103 and the housing 107, more precisely in a region of a recess 121 which is formed in the form of an undercut in the cover 103 and the clamping element 117 and the Stop element 111 is limited.
  • FIG. 4 it can also be seen, is by the stop member 111 in this position of the lid 103 and the housing 107, the position and the geometry of the recess 121 exactly defined or defined while the distance of the lid 103 to the housing 107 in the region of the clamping element 117 defined. Due to this defined geometry in the clamping region of the membranes 109 or the membrane bead 119, a predefined membrane tension or membrane compression can be set by holding down the cover 103.
  • FIG. 4 moreover, shows that the abutment element 111 is arranged outside the region in which the flanging tabs 113 are arranged, so that essentially no change in the geometry in the region of the membrane 109 or membrane bead 119 in the region of the abutment element 111 takes place due to the folding over of the flanging tab 113 ,
  • the connection force is not built up in the region of the stop element 111, a relative movement between the stop member 111 and the extension 115 and a deformation of the stop member 111 and the extension 115 is avoided.
  • a defined Membranverpessung is achieved.
  • this construction of the actuator 101 or the method according to the invention also makes it possible to detect a malpositioning of the membranes 109, in particular of the membrane bead 119. This is made possible by the fact that a force-displacement curve is recorded during the hold-down movement.
  • the membrane 109 was inserted into the housing 107 and then the lid 103 is placed such that a contact between the lid 103 and the membrane bead 119 is as indicated by the dotted lines in FIG. 4 indicated. In this position, there is also a distance d between the stop element 111 and the extension 115.
  • This movement is limited by reaching a contact between the stop member 111 and the extension 115.
  • FIG. 5 is a force-displacement diagram for this hold-down movement shown.
  • Reference numeral 200 denotes a desired force-displacement characteristic. If the membrane 109 or the membrane bead 119 is located in a desired position or a predetermined position designated as an IO position, the force-displacement characteristic curve for the hold-down movement runs along an actual characteristic 202, which essentially corresponds to the desired characteristic curve 200, which just describes an OK position, corresponds. However, there is a displacement of the membranes 109, in particular the membrane bead 119, for example, in a direction to the right in FIG. 4 , then follows the movement of the actual force-displacement curve 204, which describes an exemplary niO position.
  • the absolute values can change, but the ratio of the different curves of the force-displacement characteristic remains unchanged. This makes it possible to differentiate the niO position from the iO position, even with different test series, ie test series of actuators with different geometries.
  • the path is extended when the bead 119 is arranged in the region between the housing 107 and the clamping element 117. If the membrane bead 119 is therefore located at a position outside the clamping region 121, an early increase in force is recorded, since the membrane bead 119, or a few millimeters earlier, is pinched by the clamping element 117 than under the correct position conditions of the diaphragm 109 with the recess 121 the case would be. In addition, a larger way to a contact between the stop member 111 and the extension 115 to cover.
  • the method according to the invention, the actuator according to the invention and the device according to the invention make it possible to achieve a defined membrane compression between two housing elements in an actuator and to reliably monitor a correct fit of the membrane, in particular a membrane bead, in a clamping area during a mounting process can be.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Claims (15)

  1. Actionneur pneumatique (101), comprenant au moins un premier élément de boîtier (103) et au moins un second élément de boîtier (107) pouvant être relié au premier élément de boîtier (103) au moyen d'au moins un dispositif de connexion (113), dans lequel au moyen du dispositif de connexion (113), une force de connexion est mise en oeuvre dans au moins une zone de connexion (114) entre le premier élément de boîtier (103) et le second élément de boîtier (107), au moins une membrane (109, 119) peut être serrée au moins par endroits entre le premier élément de boîtier (103) et le second élément de boîtier (107), et le second élément de boîtier (107) comprend au moins un élément de butée (111), lequel limite un déplacement du premier élément de boîtier (103) en direction de la membrane (109) et du second élément de boîtier (107) et qui, lors de la connexion du premier élément de boîtier (103) avec du second élément de boîtier (107), vient en contact direct avec le premier élément de boîtier (103), dans lequel l'élément de butée (111) est de plus disposé au moins par endroits à l'extérieur de la zone de connexion (114), et la membrane (109) ayant au moins par endroit, dans une zone de bordure, un renflement (119) qui peut être disposé dans au moins une cavité (121) du premier élément de boîtier (103) et/ou du second élément de boîtier (107), caractérisé en ce que le premier élément de boîtier (103) et/ou le second élément de boîtier (107) comprennent au moins un élément de serrage (117) et/ou au moins une première zone de contact, dans lequel au moyen de l'élément de serrage (117) et/ou de la première zone de contact, une force de serrage peut être appliquée sur la membrane (109) entre le premier élément de boîtier (103) et le second élément de boîtier (107), et la cavité (121) est limitée au moins par endroits d'une part par l'élément de butée (111), et d'autre part par la première zone de contact et/ou l'élément de serrage (117).
  2. Actionneur pneumatique selon la revendication 1, caractérisé en ce que
    l'élément de butée (111) après la connexion du premier élément de boîtier (103) avec le second élément de boîtier (107), est en contact direct avec le premier élément de boîtier (103), et/ou par l'intermédiaire de l'élément de butée (111), dans l'état connecté du premier élément de boîtier (103) avec du second élément de boîtier (107), une liaison de force d'adhérence directe entre le premier élément de boîtier (103) et le second élément de boîtier (107) est prévue.
  3. Actionneur pneumatique selon la revendication 1 ou 2, caractérisé en ce que
    le premier élément de boîtier comprend un logement de l'actionneur et le second élément de boîtier comprend un couvercle de l'actionneur ou le premier élément de boîtier comprend un couvercle (103) de l'actionneur (101) et le second élément de boîtier comprend un logement (107) de l'actionneur (101), dans lequel en particulier le couvercle (103) limite au moins par endroits une chambre de commande de l'actionneur et/ou le logement (107) limite au moins par endroits une chambre d'entraînement de l'actionneur, et/ou à l'intérieur du couvercle (103) est ou sont disposés au moins un dispositif d'entraînement, au moins un détecteur de position périphérique et/ou au moins un élément de rappel, comme un ressort.
  4. Actionneur pneumatique selon l'une quelconque des revendications précédentes caractérisé en ce que
    le renflement (109), après la connexion du premier élément de boîtier (103) avec du second élément de boîtier (107), est agencée dans la cavité (121), et/ou la cavité (121) est réalisée au moins par endroits sous la forme d'une contre-dépouille dans le premier élément de boîtier (103) et/ ou le second élément de boîtier (107).
  5. Actionneur pneumatique selon l'une quelconque des revendications précédentes, caractérisé en ce que
    le premier élément de boîtier (103) a au moins un premier axe de symétrie (S1), et le second élément de boîtier (107) a au moins un second axe de symétrie (S2), dans lequel de préférence une surface de membrane tendue de la membrane (109) s'étend essentiellement perpendiculaire au premier axe de symétrie (S1) et/ ou au second axe de symétrie (S2), et/ou par l'intermédiaire d'une connexion du premier élément de boîtier (103) avec le second élément de boîtier (107), le premier axe de symétrie (S1) s'étend parallèlement au second axe de symétrie (S2) et / ou coïncide avec le deuxième axe de symétrie (S2).
  6. Actionneur pneumatique selon l'une quelconque des revendications précédentes, caractérisé en ce que
    l'élément de butée (111) se trouve sur un côté du renflement (119) radialement extérieur par rapport au premier axe de symétrie (S1) et/ou au second axe de symétrie (S2), et/ou l'élément de serrage (117) et/ou la première zone de contact se trouvent sur une côté du renflement (119) radialement intérieur par rapport au premier axe de symétrie (S1) et/ou au second axe de symétrie (S2).
  7. Actionneur pneumatique selon l'une quelconque des revendications précédentes, caractérisé en ce que
    l'élément de butée (111) s'étend essentiellement parallèlement au second axe de symétrie (S2), et l'élément de butée (111), dans la première zone de contact du premier élément de boîtier (103), vient en contact avec le premier élément de boîtier (103) via une connexion du premier élément de boîtier (103), dans lequel la première zone de contact est formée de préférence d'au moins un élargissement (115) s'étendant radialement vers l'extérieur par rapport au premier axe de symétrie (S1), en particulier à l'extérieur de la zone d'assemblage (114).
  8. Actionneur pneumatique selon l'une quelconque des revendications précédentes, caractérisé en ce que
    la zone de connexion (114) couvre uniquement partiellement une zone périphérique, en particulier une périphérie par rapport au premier axe de symétrie (S1) et/ou au second axe de symétrie (S2), du premier élément de boîtier (103) et/ou du second élément de boîtier (107), et/ou le dispositif de connexion comprend au moins un bord rabattu (113), au moins un élément de serrage au clip, au moins un élément de serrage et/ou au moins un élément d'accrochage, dans lequel de préférence le bord rabattu a au moins un rabat (113), comprends de préférence dans le second élément de boîtier (107), dans lequel le rabat (113) s'étend au moins par endroits parallèle au premier axe de symétrie (S1) et/ou au second axe de symétrie (S2).
  9. Actionneur pneumatique selon l'une quelconque des revendications précédentes, caractérisé en ce que
    une pluralité d'éléments de butée (111), de dispositifs de connexion (113), de zones de connexion (114), de premières zones de contact et/ou d'élargissements (115) sont prévus, dans lequel de préférence au moins un rabat (113), de préférence une pluralité de rabats (113), en particulier tous les rabats (113) des dispositifs de connexion sont agencés chacun, au moins par endroits, entre deux élargissements (115).
  10. Actionneur pneumatique selon l'une quelconque des revendications 7 à 9, caractérisé en ce que
    le rabat (113), au moins par endroits, a une surface latérale (116) s'étendant inclinée par rapport au premier axe de symétrie (S1) et/ou au second axe de symétrie (S2) et/ou un bord extérieur arrondi, en particulier pour former une aide à l'insertion et/ou un plan incliné d'insertion pour les élargissements (115) du premier élément de boîtier (103).
  11. Actionneur pneumatique selon l'une quelconque des revendications précédentes, caractérisé en ce que
    la zone de connexion (114) de tous les dispositifs de connexion couvre moins de 50 %, de préférence de 50 % à 40 %, de manière plus préférée de 40 % à 35 %, de manière encore plus préférée de 35 % à 30 %, et la manière la plus préférée moins de 30% de la périphérie du premier élément de boîtier (103) et/ou du second élément de boîtier (107) dans un plan perpendiculaire au premier axe de symétrie (S1) et/ou au second axe de symétrie (S2), de préférence le rapport entre une étendue de la zone de connexion (b2), en particulier le rabat (113), et une étendue (b1) de l'élargissement (115) dans un plan perpendiculaire au premier axe de symétrie (S1) et/ou au second axe de symétrie (S2) est essentiellement de 1:1, de manière préférée de 1:1 à 1:1,5, de manière plus préférée de 1:1,5 à 1:1,6, de manière encore plus préférée de 1:1,6 à 1:1,7, et de la manière la plus préférée est inférieur à 1:2.
  12. Procédé pour connexion au moins un premier élément de boîtier (103) et au moins un second élément de boîtier (107) d'un actionneur pneumatique (101) selon l'une des revendications précédentes, par serrage, au moins par endroits, d'au moins une membrane (109) entre le premier élément de boîtier (103) et le second élément de boîtier (107), comprenant l'agencement de la membrane (109) dans le second élément de boîtier (107), la mise en place du premier élément de boîtier (103) sur le second élément de boîtier (107) jusqu'à la formation d'un contact du premier élément de boîtier (103) avec au moins une zone de la membrane (109), le déplacement du premier élément de boîtier (103) dans la direction du second élément de boîtier (107) et/ou de la membrane (109) par réception d'une courbe caractéristique force-déplacement réelle (202, 204) pour le déplacement jusqu'à un contact d'un élément de butée (111) du second élément de boîtier (107) avec le premier élément de boîtier (103), et l'évaluation de la courbe caractéristique force-déplacement réelle (202, 204) pour détecter une position prédéterminée de la membrane (109) par rapport au premier élément de boîtier (103) et/ou au second élément de boîtier (107).
  13. Procédé selon la revendication 12, caractérisé en ce que le déplacement du premier élément de boîtier (103) est effectué au moyen d'au moins d'un dispositif de retenue vers le bas, et/ou caractérisé en ce que
    la force exercée pour le déplacement du premier élément de boîtier (103) dans la direction du second élément de boîtier (107), et/ou de la membrane (109) va être prise comme courbe caractéristique force-déplacement réelle (202, 204) en fonction du chemin de ce déplacement.
  14. Procédé selon la revendication 12 ou 13, caractérisé en ce que l'évaluation de la courbe caractéristique force-déplacement réelle (202, 204) comprend une comparaison de la courbe caractéristique force-déplacement réelle (202, 204) avec au moins une courbe caractéristique force-déplacement idéale (200), et/ou par l'intermédiaire de l'évaluation, la détection d'une position prédéterminée d'une zone de la membrane (109), comme un renflement (119), est fournie, en particulier une détection est effectuée, qu'une cavité (121) est agencée, délimitant que la zone (119) de la membrane (109) au moins partiellement en dehors d'une plage idéale, en particulier une cavité (121) de préférence limité au moins par endroits du premier élément de boîtier (103) et/ ou le second élément de boîtier (107), et/ou est agencée entre au moins un élément de serrage (117) et/ou au moins une première zone de contact, d'une part, et le premier élément de boîtier (103) et/ou le second élément de boîtier (107), d'autre part, dans lequel en particulier via l'évaluation, en particulier pour distinguer un écart de la position prédétermine de la membrane (109), il va reconnaître que par comparaison à la courbe caractéristique force-déplacement idéale (200), une augmentation de force va être détectée par une faible distance de déplacement et/ou par rapport à un moment antérieur du déplacement, et/ou après l'augmentation de la force, un plus long chemin jusqu'à un contact du premier élément de boîtier (103) avec l'élément de butée (111) va être détecté.
  15. Procédé selon l'une quelconque des revendications 12 à 14, caractérisé en ce que
    lorsque la détection de la position prédéterminée de la membrane (109) et/ou de la zone de membrane (119), une connexion du premier élément de boîtier (103) avec le second élément de boîtier (107) est réalisé au moyen d'au moins un dispositif de connexion (113), de préférence au moyen de la production d'un bord rabattu, en particulier par formation d'au moins un rabat (113), de préférence au moyen d'au moins un dispositif à rabattre, de préférence d'au moins une collerette du dispositif à rabattre attaquant par exemple dans la direction axial et/ou au moyen d'au moins un dispositif à matage, par exemple au moyen d'un coulisseau d'attaque radiale.
EP13736826.2A 2012-07-03 2013-07-02 Actionneur ainsi que procédé et dispositif d'assemblage d'éléments de boîtier d'un actionneur Active EP2870388B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012105928.4A DE102012105928A1 (de) 2012-07-03 2012-07-03 Aktuator sowie Verfahren und Vorrichtung zur Verbindung von Gehäuseelementen eines Aktuators
PCT/EP2013/063939 WO2014006046A1 (fr) 2012-07-03 2013-07-02 Actionneur ainsi que procédé et dispositif d'assemblage d'éléments de boîtier d'un actionneur

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EP2870388A1 EP2870388A1 (fr) 2015-05-13
EP2870388B1 true EP2870388B1 (fr) 2016-04-27

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EP (1) EP2870388B1 (fr)
DE (1) DE102012105928A1 (fr)
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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1121507A (fr) * 1952-10-29 1956-08-20 Carter Carburetor Corp Pompe à carburant
DE2312921B2 (de) 1973-03-10 1976-06-10 Joh. Vaillant Kg, 5630 Remscheid Druckausdehnungsgefaess fuer eine zentralheizungsanlage
DE3102382A1 (de) * 1981-01-24 1982-09-02 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Servomotor zur pneumatischen betaetigung von stellelementen in kraftfahrzeugen
KR930002779B1 (ko) * 1987-11-09 1993-04-10 미쓰비시전기주식회사 다이어 프램장치
DE10254692A1 (de) * 2002-11-23 2004-06-09 Daimlerchrysler Ag Verfahren zur Montage und Justierung von Teilen unter Vorspannung zueinander
US7306195B2 (en) * 2004-11-17 2007-12-11 Honeywell International, Inc. Anti-icing actuator assembly for pneumatic valve
DE102006048084A1 (de) 2006-10-11 2008-04-17 Gustav Wahler Gmbh U. Co. Kg Linearsensor
DE202008003005U1 (de) * 2008-03-03 2008-05-08 Borgwarner Inc., Auburn Hills Pneumatische Steuerdose eines Abgasturboladers
DE102010032871B4 (de) * 2010-07-30 2018-09-13 Daimler Ag Verfahren zum Bestimmen einer Lage und/oder Lageorientierung eines Bauteils oder einer Bauteilanordnung

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WO2014006046A1 (fr) 2014-01-09
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